TWI650184B - Fluid quantitative discharge machine - Google Patents

Abstract

A fluid quantitative discharge machine comprising: a machine table, a driving assembly and a discharging device, wherein the driving assembly pushes the displacement frame with the cam, and synchronously drives the discharging device under the take-up pipe with the displacement frame Actuating the tube, and the spraying head, the upper connecting tube and the valve body of the discharging device are fixed to the machine table, so that the operating tube can generate compression and stretching of the inner volume of the working tube body, and the discharging device is utilized by the discharging device The vertical setting cooperates with the weight of the ball to allow the ball to block the inlet when the material is extruded, so that the blocking sleeve is pressed and pushed to the discharge hole, thereby achieving the purpose of extrusion discharging and stretching When the material is covered, the flow guiding hole is covered by the blocking sleeve, and the ball is sucked away from the inlet through the volume increasing, so that the fluid of the storage cylinder can be sucked into the discharging device to achieve the effect of quantitative discharging. .

Description

Fluid quantitative discharge machine

The invention relates to a fluid discharge device, in particular to a fluid quantitative discharge machine which has both quantitative discharge, food safety and easy maintenance.

A conventional quantitative discharge machine, such as the "pushing structure of white ash dosing machine" approved by the Bureau of the Bureau of the People's Republic of China on June 11, 103, which includes a fixed seat and a retaining ring. a pusher set and a stop unit; the fixed seat has a feed opening, a discharge opening and a feeding passage connecting the inlet opening and the discharging opening, the retaining ring is a hollow ring body The pusher set is disposed in the feeding passage of the fixing seat, and is arranged in the feeding passage of the fixing seat to perform a forward and backward pulling linear reciprocating displacement by an external force for inputting from the fixing seat The white ash injected from the material inlet is pushed out from the discharge port through the feeding passage, and the check unit is disposed between the retaining ring and the push rod group; when the push rod group is pushed forward, the stop The inverse unit system can prevent white ash from flowing back. It is not difficult to find out that the above-mentioned conventional structure has some shortcomings. The main reasons are as follows: 1. The putter group pulls back only to open the inlet, let The fluid flows into the feed channel through its own weight, the viscosity and remaining of the fluid The amount of fluid will affect the total amount of flow into the feed channel, and the push speed of the putter group will also change the opening time of the feed port. Therefore, in actual use, the flow rate will be slightly different under different conditions. The quantitative effect is not good; 2. The anti-reverse unit is a combination of a steel ball and a spring, and the anti-reverse effect is achieved by pushing the steel ball through the spring, but the spring and the steel ball are made of a metal material, when the fluid flows into contact with When the steel ball and the spring, the steel ball and the spring may have rust due to the moisture and acidity of the fluid. In the case of eclipse, metal powder is also generated due to the friction of the action. The rust powder and the metal powder are mixed with the fluid, causing the fluid to be contaminated. For example, the edible fluid may have food safety; The material structure is fixed, it can not provide users with disassembly and assembly for cleaning and maintenance, and there are many combinations of accessories required. Even if it can be disassembled, it is not easy to replace it for ordinary users. If it is not used for a long time, The internal fluid is easily dried and solidified, making the feeding device unusable, and the production cost is also high.

In view of this, the inventors have been engaged in the manufacturing development and design experience of related products for many years, and after detailed design and careful evaluation of the above objectives, the present invention has finally become practical.

The technical problem to be solved by the present invention is to provide a fluid quantitative discharge machine in view of the above-mentioned shortcomings existing in the prior art.

a machine rack is provided with a storage tube, and a discharge tube is connected to the bottom of the storage tube, and the machine table is formed with a bottom plate and a top plate in the inner space, and a side plate is vertically formed between the bottom plate and the top plate, and A sliding rail assembly is disposed on the side plate, and the sliding rail assembly is displaceable toward the bottom plate. The driving assembly includes a motor, a displacement frame and an elastic member. The motor is mounted on the side plate of the machine. Wherein, the motor is provided with a cam, and the displacement frame is mounted on the slide rail assembly, and the displacement bracket is formed with a horizontal plate, and the cam is used for pushing the displacement frame, and the elastic member is fixed at one end to the machine The bottom plate of the table, and the other end of the elastic member is fixed to the horizontal plate, and the discharging device comprises a lower connecting pipe, a ball body, an actuating pipe, a valve body, a blocking sleeve, an upper connecting pipe and a spraying head One end of the lower connecting pipe is connected to the discharging pipe, and the other end of the lower connecting pipe is provided with an inlet opening, and the feeding opening is arranged upward and provides the placement of the spherical body, the operating pipe One end sleeve is fixed to the lower joint tube, and an assembly plate is fixed on the surface of the actuating tube, and the actuating tube is fixed to the horizontal plate by the assembly plate, and one end of the upper connecting tube is connected to the spray head and fixed by the spray head The valve body is connected to the top plate of the machine, and the other end of the upper pipe is connected to the valve body, and the valve body is provided with a plurality of flow guiding holes communicating with the upper connecting pipe on the pipe wall, and the blocking sleeve is sleeved on the valve body. The body is freely displaceable to block the flow guiding hole, and the upper connecting pipe and the valve body are inserted at the other end of the operating pipe, and the blocking sleeve is in contact with the valve body and the operating pipe.

Wherein, a sensor is mounted on the periphery of the cam, and the position of the cam is detected by the sensor, and the number of rotations is calculated from the position of the cam.

Wherein, the displacement frame is connected to a rotating wheel adjacent to the cam position, and the cam is pushed against the rotating wheel, thereby forming a sliding contact.

Wherein, the machine is fixed with a light shielding sensor at the top plate and adjacent to the spraying head, and the light shielding sensor controls the spraying timing of the spraying head.

Wherein, the displacement frame extends with a limiting plate, and the machine is fixed with a driver at the bottom plate, and a screw is vertically connected to the driving device, and an adjusting block is arranged on the screw, and the adjusting block blocks the limit. Below the bit plate, the purpose of adjusting the discharge amount is achieved by limiting the displacement distance of the displacement frame.

Wherein, the side panel is provided with a touch switch, and the adjustment block limits the longest stroke of the displacement frame when the touch switch is in contact with the touch switch.

Wherein, the upper connecting pipe surface is provided with a leakage preventing washer, and the leakage preventing washer is in contact with the operating pipe to form a leakage preventing effect.

Wherein, the lower nozzle of the discharging device, the operating tube, the valve body, the upper connecting tube and the spraying head are all made of plastic material, and the spherical body is made of glass, and the blocking sleeve is made of rubber Made of glue, the material is not used in the discharge device, thereby avoiding contamination of the fluid caused by metal corrosion.

Wherein, the valve body is formed with a loop, and the loop cooperates with the upper joint to limit the range of movement of the barrier sleeve.

Wherein, the discharge pipe of the storage cylinder and the lower connection pipe are connected by a hose, thereby being unaffected by the downward connection of the lower connection pipe.

A first main object of the present invention is that the driving assembly pushes the displacement frame with the cam, and synchronously drives the take-up pipe and the actuating pipe of the discharging device with the displacement frame, and the spraying head and the upper connecting pipe of the discharging device And the valve body is fixed to the machine table, so that the actuating tube can generate the compression and stretching of the inner volume of the valve body, and the vertical arrangement of the discharging device and the weight of the ball body are used to make the extrusion material The ball blocks the inlet opening, so that the blocking sleeve is pressed and pushed by the guiding hole, so as to achieve the purpose of extrusion discharging, and the blocking sleeve covers the guiding hole when the suction is sucked, and the volume is changed through the volume. When the ball is sucked away from the inlet, the fluid of the storage cylinder can be sucked into the discharge device to achieve the effect of quantitative discharge.

A second main object of the present invention is that the lower nozzle, the actuation tube, the valve body, the upper nozzle and the spray head of the discharge device are made of plastic material, and the sphere is made of glass, and The blocking sleeve is made of rubber, and the displacement frame is externally pulled through the elastic member, thereby indirectly controlling the discharging device, and the vertical arrangement of the discharging device and the weight of the ball body can make the fluid completely contactless. To the metal material, thereby avoiding the pollution caused by the friction and corrosion of the metal, so as to improve the quality of the quantitative fluid.

A third main object of the present invention is that the discharge device is connected to the actuation tube by the lower nozzle, and is fixed to the displacement frame by the actuation tube, and the spray head and the upper connection tube of the discharge device and The valve body is fixed to the machine table, so that the ball can be placed in the actuating tube, and the upper connecting tube and the valve body are directly sleeved, thereby simplifying the structure and easily disassembling, thereby not only reducing the production cost thereof, but also It saves time and effort for cleaning and maintenance after use.

Other objects, advantages and novel features of the invention will be apparent from the description and appended claims.

[this creation]

10‧‧‧ machine

11‧‧‧Storage cartridge

12‧‧‧Drawing tube

121‧‧‧Hose

13‧‧‧floor

14‧‧‧ top board

15‧‧‧ side panel

16‧‧‧Slide assembly

17‧‧‧ drive

171‧‧‧ screw

172‧‧‧Touch switch

18‧‧‧Adjustment block

19‧‧‧Light occlusion sensor

20‧‧‧Drive components

21‧‧‧Motor

211‧‧‧ cam

212‧‧‧ sensor

22‧‧‧Displacement

221‧‧‧ horizontal board

222‧‧‧runner

223‧‧‧Limited board

23‧‧‧Flexible parts

30‧‧‧Drawing device

31‧‧‧Under taking over

311‧‧‧Inlet

32‧‧‧ sphere

33‧‧‧ actuation tube

331‧‧‧ Assembly board

34‧‧‧ valve body

341‧‧‧Inlet

342‧‧‧ ring

35‧‧‧Block sets

36‧‧‧Upper takeover

361‧‧‧ leaking washer

37‧‧‧Spray head

Figure 1 is a perspective view of the present invention.

Figure 2 is a perspective exploded view of the present invention.

Figure 3 is a perspective exploded view of the discharge device of the present invention.

Figure 4 is a first perspective cross-sectional view of the present invention.

Figure 5 is a second perspective cross-sectional view of the present invention.

Figure 6 is a schematic view (1) of the discharge operation of the present invention.

Figure 7 is a schematic view (2) of the discharge operation of the present invention.

Figure 8 is a schematic view (1) of the suction action of the present invention.

Figure 9 is a schematic view (2) of the suction action of the present invention.

Figure 10 is a schematic view showing the adjustment of the discharge amount of the present invention.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: First, please continue from Figure 1 to Figure 5 In view of the above, a fluid quantitative discharge machine comprises: a machine table 10, a drive assembly 20 and a discharge device 30, a machine table 10 A storage tube 11 is disposed, and a discharge tube 12 is connected to the bottom of the storage tube 11. The machine table 10 is formed with a bottom plate 13 and a top plate 14 in the inner space, and is formed vertically between the bottom plate 13 and the top plate 14. There is a side plate 15 , and a side rail 15 is mounted with a slide rail assembly 16 , and the slide rail assembly 16 can be displaced toward the bottom plate 13 and the top plate 14 . The drive assembly 20 includes a motor 21 , a displacement frame 22 and a The sensor 21 is mounted on the side plate 15 of the machine table 10, and the motor 21 is provided with a cam 211. A sensor 212 is mounted on the periphery of the cam 211, and the sensor 212 is used. The position of the cam 211 is detected, and the number of rotations is calculated from the position of the cam 211. The displacement frame 22 is mounted on the slide rail assembly 16, and the displacement frame 22 is formed with a horizontal plate 221, and the cam 211 is used for The displacement frame 22 is pushed up, and the rotation frame 22 is connected to a rotating wheel 222 adjacent to the cam 211, and the cam 211 is pushed against the rotating wheel 222, thereby forming a sliding contact, and the elastic member 23 is fixed at one end. The bottom plate 13 of the machine table 10, and the other end of the elastic member 23 is fixed to the horizontal plate 221, the shifting frame 22 extends a limiting plate 223, and the machine table 10 is fixed with a driver 17 at the bottom plate 13, and a screw 171 is vertically connected to the driving device 17, and an adjusting block is screwed into the screw 171. 18, the adjusting block 18 is blocked under the limiting plate 223, and the displacement of the displacement frame 22 is restricted to achieve the purpose of adjusting the discharge amount, and the side panel 15 is provided with a touch switch 172, and the adjustment is performed. When the block 18 is in contact with the touch switch 172, the longest stroke of the shift frame 22 is restricted. A discharge device 30 includes a lower nozzle 31, a ball 32, an actuating tube 33, a valve body 34, a blocking sleeve 35, and an upper portion. The nozzle 36 and a spray head 37 are connected to the discharge pipe 12 at one end, and the discharge pipe 12 and the lower pipe 31 are connected by a hose 121, thereby being unaffected by the lower pipe 31. When the displacement is affected, the other end of the lower nozzle 31 is provided with a receiving port 311, and the inlet port 311 is disposed upwardly and provides the placement of the ball 32. The end of the actuating tube 33 is sleeved and fixed to the lower connecting tube 31. And the assembly of the surface of the actuating tube 33 is fixed The plate 331 is fixed to the horizontal plate 221 by the assembly plate 331. The upper end of the upper pipe 36 is connected to the spray head 37, and is fixed to the top plate 14 of the machine table 10 by the spray head 37. Further, the machine table 10 is fixed with a light shielding sensor 19 at the top plate 14 and adjacent to the spray head 37, and the light shielding sensor 19 controls the spraying timing of the spraying head 37, and the upper portion The other end of the connecting pipe 36 is connected to the valve body 34, and the valve body 34 is provided with a plurality of air guiding holes 341 communicating with the upper connecting pipe 36, and the blocking sleeve 35 is sleeved on the valve body 34 and freely Displacement blocking the flow guiding hole 341, and the upper connecting pipe 36 and the valve body 34 are inserted at the other end of the operating pipe 33, and the blocking sleeve 35 is in contact with the valve body 34 and the operating pipe 33, The valve body 34 is formed with a ring 342, and the ring 342 cooperates with the upper pipe 36 to limit the movable range of the blocking sleeve 35. The upper connecting pipe 36 is provided with a leak-proof washer 361 on the surface thereof, and the leak-proof washer 361 is used. The leakage preventing effect is formed against the actuating tube 33, wherein the lower connecting pipe 31 of the discharging device 30, the operating pipe 33, the valve body 34, the upper connecting pipe 36 and the spraying The heads 37 are made of plastic material, and the ball 32 is made of glass, and the blocking sleeve 35 is made of rubber, so that the discharging device 30 does not use metal materials, thereby avoiding contamination of the fluid caused by metal corrosion. According to the above structure, the cam 211 can interlock the displacement frame 22, and the lower nozzle 31 and the actuation tube 33 are pressed and discharged relative to the valve body 34, and then the discharge device 30 is used. The vertical setting is matched with the weight of the ball 32, so that the ball 32 blocks the inlet port 311 when the material is extruded, so that the blocking sleeve 35 is pressed and pushed by the guiding hole 341, and the blocking is performed when the suction is sucked. The sleeve 35 covers the flow guiding hole 341, and the spherical body 32 is sucked away from the inlet port 311 by the volume increase, so as to achieve the use efficiency of the quantitative discharge.

The combination of the structures is further illustrated by the first figure to the fifth figure. The machine table 10 is provided with a storage cylinder 11 and a discharge pipe 12 and a soft pipe are connected to the bottom of the storage cylinder 11. a tube 121, and the tube 12 and the hose 121 are disposed inside the machine table 10, and the rail assembly 16 is fixed The side plate 15 of the machine table 10, the drive assembly 20 is mounted on the side plate 15 by a motor 21, and the motor 21 is driven by a cam 211, and the sensor 212 is fixed around the cam 211, and then the shift frame is mounted. 22 is fixed to the slide rail assembly 16 of the machine table 10, such that the runner 222 of the shift frame 22 is adjacent to the cam 211, and the runner 222 cooperates with the cam 211 to form a sliding push, and the bottom plate 13 of the machine table 10 The driver 17 is fixed, and the adjusting block 18 is screwed on the screw 171 of the driver 17, so that the adjusting block 18 is located below the limiting plate 223 of the displacement frame 22, thereby controlling the displaceable distance of the displacement frame 22, and the The side panel 15 is additionally provided with a touch switch 172 for limiting the lowest position of the adjusting block 18, and the machine table 10 is provided with a light shielding sensor 19 at the top plate 14. On the other hand, the discharging device 30 One end of the upper connecting pipe 36 is fixed to the spray head 37, and the other end of the upper connecting pipe 36 is connected with a valve body 34 of the blocking sleeve 35, and the discharging device 30 is further sleeved and fixed at one end of the operating pipe 33. The nozzle 31 is disposed such that the inlet port 311 of the lower nozzle 31 is located inside the actuation tube 33, and the ball 32 is placed in the actuation In the tube 33, the ball 32 can be placed on the inlet port 311, and another opening of the actuating tube 33 is sleeved on the upper pipe 36 and the valve body 34, so that the blocking sleeve 35 and the upper pipe 36 are The leakage preventing washer 361 is in contact with the inner wall surface of the operating tube 33, and the lower connecting tube 31 is connected to the hose 121 of the discharging tube 12, and finally the assembly plate 331 of the operating tube 33 is fixed to the horizontal plate of the displacement frame 22. 221, and the spray head 37 is fixed to the top plate 14 of the machine table 10, that is, the combination of the structures is completed.

The effect of the actual use, please also look at Figures 6 and 7 in conjunction with Figures 2 and 3, the storage cartridge 11 is used for placing fluids (such as edible sauces, white ash), not here. When the user can access the quantitative fluid, the container is placed under the spray head 37, and the motor 21 that activates the drive assembly 20 is detected by the light shielding sensor 19 to drive the cam. 211 rotates the set number of turns, which is calculated by sensing of the sensor 212. And the sensor 212 controls the rotation of the cam 211 to return to the fixed position, and when the cam 211 rotates, the rotating wheel 222 of the displacement frame 22 can be pushed up, so that the displacement frame 22 can be along the sliding rail assembly 16 The top plate 14 of the machine table 10 is displaced in the direction, and the actuating tube 33 of the discharging device 30 is fixed to the displacement frame 22 by the assembly plate 331, thereby synchronously driving the upward displacement of the operating tube 33 and the lower connecting tube 31, and the spraying material The head 37, the upper connecting tube 36 and the valve body 34 are all fixed to the top end of the top plate 14, so that the displacement of the actuating tube 33 relative to the valve body 34 will compress the inner space of the operating tube 33, through the pressing process and the The weight of the ball 32 causes the ball 32 to be pressed against the inlet port 311 of the lower nozzle 31, thereby forming a complete seal of the inlet port 311, and the pressurized fluid forms an upward thrust on the barrier sleeve 35, so that the blockage The sleeve 35 does not shield the flow guiding hole 341 of the valve body 34, and the fluid can be formed from the guiding hole 341 into the upper connecting pipe 36 and the spray head 37, and is ejected by the spray head 37 to be equivalent to the inside of the operating pipe 33. The amount of fluid of the volume change amount, thereby achieving the use effect of the quantitative discharge, and when the cam 211 When the shifting frame 22 is not pushed, the elastic member 23 of the driving assembly 20 is coupled to the bottom plate 13 of the machine table 10 and the horizontal plate 221 of the displacement frame 22, as shown in FIGS. When the cam 211 is not pushed, the displacement frame 22 can be pulled back through the elastic member 23, and the displacement frame 22 is displaced toward the bottom plate 13 end, and the lower connecting tube 31 and the operating tube 33 are both moved downwards, so that the lower connecting tube 31 and the operating tube 33 are both moved downwards. The inner volume of the actuating tube 33 becomes larger due to stretching, and when the inner volume becomes large, the blocking sleeve 35 is sucked down to block the flow guiding hole 341 of the valve body 34, thereby blocking the fluid return of the end of the spraying head 37. At the same time, the ball 32 can be sucked away from the inlet port 311 of the lower nozzle 31 by the suction generated by the volume expansion, and the fluid at the end of the cartridge 11 can be sucked in by the open inlet port 311. In the tube 32, the pre-storage of the discharge at the time of the next extrusion can be formed, so as to achieve the function of the quantitative discharge, and further, the displacement of the displacement frame 22 multiplied by the inner diameter of the tube of the actuation pipe 33 is The discharge amount of the fluid in a single operation, and when the set usage exceeds the discharge amount of the single operation In this case, the cam 211 can be rotated a plurality of times at a time to achieve a large amount of fluid quantitative use, and then, as shown in FIG. 10, if the amount to be used is less than the discharge amount or is not equal to a multiple of the single discharge amount, it can be controlled. The driver 17 rotates the screw 171 to change the height of the adjusting block 18 of the screw 171, and the adjusting block 18 can be blocked under the limiting plate 223 of the displacement frame 22, so that the limiting plate 223 is pressed against After the adjustment block 18, it is no longer possible to move down, thereby changing the displacement amount of the displacement frame 22, so as to have a practical function of adjusting the discharge amount without a segment.

With the structure of the above specific embodiment, the following benefits can be obtained: (1) the driving assembly 20 pushes the displacement frame 22 with the cam 211, and simultaneously drives the discharge device 30 under the nozzle 31 with the displacement frame 22 and The pipe 33 is driven, and the spray head 37, the upper pipe 36 and the valve body 34 of the discharge device 30 are fixed to the machine table 10, so that the actuating pipe 33 can generate compression and pull of its inner volume relative to the valve body 34. With the vertical arrangement of the discharging device 30 and the weight of the ball 32, the ball 32 is blocked by the ball 32 when the material is squeezed, and the blocking sleeve 35 is pressed and pushed by the guiding hole 341. The purpose of the extrusion and discharge can be achieved, and the flow guiding hole 341 is covered by the blocking sleeve 35 when the suction material is stretched, and the spherical body 32 is sucked away from the inlet opening 311 when the volume is increased, so that the storage material can be stored. The fluid of the cartridge 11 is sucked into the discharge device 30 to achieve the use efficiency of the quantitative discharge; (2) the lower nozzle 31 of the discharge device 30, the actuation tube 33, the valve body 34, the upper connection tube 36 and The spray head 37 is made of a plastic material, and the ball 32 is made of glass, and the barrier sleeve 35 is made of rubber and passes through the bullet. The member 23 pulls the displacement frame 22 externally, thereby indirectly controlling the discharge device 30, and the vertical arrangement of the discharge device 30 cooperates with the weight of the ball 32 to allow the fluid to completely contact the metal material, thereby avoiding Metal friction and corrosion caused by contamination of the fluid to improve the quality of the quantitative fluid; (3) the discharge device 30 is connected to the actuation tube 33 by the lower nozzle 31, and is fixed to the displacement by the actuation tube 33. a frame 22, another spray head 37 of the discharge device 30, The upper connecting pipe 36 and the valve body 34 are fixed to the machine table 10, so that the ball 32 can be placed in the operating pipe 33, and the upper connecting pipe 36 and the valve body 34 are directly sleeved, thereby simplifying the structure and easily disassembling. The function not only reduces the production cost, but also saves time and effort for cleaning and maintenance after use.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved invention content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, the application for invention patents is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

Claims (10)

A fluid quantitative discharge machine comprising: a machine table, the machine frame is provided with a storage tube, and a discharge tube is connected to the bottom of the storage tube, and the machine table is formed with a bottom plate and a top plate in the inner space. And a side plate is vertically formed between the bottom plate and the top plate, and a sliding rail assembly is disposed on the side plate, and the sliding rail assembly is displaceable toward the bottom plate and the top plate; a driving assembly including a motor a shifting frame and an elastic member, the motor is mounted on the side plate of the machine, and the motor is provided with a cam, and the displacement frame is mounted on the sliding rail assembly, and the displacement frame is formed with a horizontal plate. And the cam is used for pushing the displacement frame, the elastic member is fixed at one end of the bottom plate of the machine, and the other end of the elastic member is fixed to the horizontal plate; and a discharging device, the discharging device includes the following a take-up, a ball, an actuating tube, a valve body, a blocking sleeve, an upper connecting tube and a spraying head, the lower connecting tube is connected to the discharging tube at one end, and the inlet end is opened at the other end of the lower connecting tube, and The inlet is facing up Providing and providing the placement of the ball, the actuating tube is sleeved and fixed to the lower connecting tube, and an assembly plate is fixed on the surface of the actuating tube, and the actuating tube is fixed to the horizontal plate by the assembled plate, and the upper connecting tube is connected at one end thereof a spray head is fixed to the top plate of the machine by the spray head, and the other end of the upper pipe is connected to the valve body, and the valve body is provided with a plurality of flow holes communicating with the upper pipe on the pipe wall And the blocking sleeve is sleeved on the valve body and is freely displacable to block the guiding hole, and the upper connecting tube and the valve body are all inserted at the other end of the operating tube, and the blocking sleeve is in contact with the valve body Between the actuating tube and the moving frame, the lower connecting tube and the operating tube are pressed and discharged relative to the valve body, and the vertical arrangement of the discharging device and the sphere are Weight matching When the material is pressed out, the ball is blocked by the inlet, and the blocking sleeve is pressed and pushed by the guiding hole, and the guiding hole is covered by the blocking sleeve when the suction is sucked, and the spherical body is sucked by the volume increasing. From the inlet, 俾 to achieve the efficacy of quantitative discharge. The fluid metering machine according to claim 1, wherein a peripheral of the cam is provided with a sensor, and the position of the cam is detected by the sensor, and the rotation circle is calculated from the position of the cam. number. The fluid metering discharge machine of claim 1, wherein the shifting frame is coupled to a rotating wheel adjacent to the cam position, and the cam is pushed against the rotating wheel, thereby forming a sliding contact. The fluid metering discharge machine of claim 1, wherein the machine has a light-shielding sensor attached to the top plate adjacent to the spray head, and is controlled by the light-shielding sensor. Spraying timing of the spray head. The fluid quantitative discharge machine according to claim 1, wherein the displacement frame extends a limiting plate, and the machine is fixed with a driver at the bottom plate, and a screw is vertically connected by the driver. An adjusting block is arranged on the screw, and the adjusting block blocks the lower side of the limiting plate, and the discharge amount is adjusted by limiting the displacement distance of the displacement frame. The fluid metering machine according to claim 5, wherein the side panel is provided with a touch switch, and the adjusting block limits the longest stroke of the shift frame when the touch switch is in contact with the touch switch. The fluid metering discharge machine according to claim 1, wherein the upper nozzle surface is provided with a leakage preventing gasket, and the leakage preventing gasket is in contact with the operating tube to form a leakage preventing effect. The fluid quantitative discharge machine according to the first aspect of the invention, wherein the lower nozzle, the actuation tube, the valve body, the upper connection tube and the spray head of the discharge device are made of a plastic material. Moreover, the sphere is made of glass, and the barrier sleeve is made of rubber, so that the discharge device does not use a metal material, thereby avoiding contamination of the fluid caused by metal corrosion. The fluid metering discharge machine of claim 1, wherein the valve body is formed with a loop, and the loop fits the upper joint to limit the range of movement of the barrier sleeve. The fluid quantitative discharge machine according to claim 1, wherein the discharge pipe of the storage cylinder is connected with the lower connection pipe by a hose, thereby being unaffected by the lower connection pipe when being displaced up and down Affected.