TW201408436A - Lift mechanism and mulle using the same - Google Patents

Abstract

A lift mechanism for a grinding is used to hang a setting base. The lift mechanism includes an air cylinder, a main body, a connection portion and three hanging portions. The connection portion is connected between the main body and the air cylinder. The hanging portion includes a rotating end, a lock, and a chain connected to the rotating end and the lock. The hanging portion is fixed to the main body via the rotating end, and the lock is used to lock the setting base.

Description

Grinder lift mechanism and grinder having the lift mechanism

The invention relates to a grinder lifting mechanism and a grinder using the lifting mechanism.

In the prior art, a grinder for grinding a flat workpiece such as a lens pressurizes a weight on a jig that carries a workpiece during grinding, thereby increasing the grinding force. When replacing the weight of the weight, the main reason is by manual Carrying the weights, because the weights are heavy and will stick to the grinding liquid, enhance the labor intensity and working hours of the labor, increase the processing cost, and affect the environment around the grinding machine.

In view of the above problems, it is necessary to provide a grinder lifting mechanism that saves processing costs.

It is also necessary to provide a grinder to which the elevating mechanism is applied.

A grinding machine lifting mechanism for holding a grinding weight, comprising a driving cylinder, the grinding machine lifting mechanism further comprising a body, a connecting portion and three hanging portions, the connecting portion being connected to the body and the driving cylinder, The three hanging portions include a rotating end, a hanging locking buckle, and a hanging chain connecting the rotating end and the hanging locking buckle. The three hanging portions are mounted on the body by the rotating end, the hanging lock The buckle is used to hold the weight.

A grinding machine for grinding a surface of a workpiece, comprising: a casing, a grinding disc, three carrying trays for loading the workpiece, and a weighting block, wherein the grinding disc and the carrying portion are mounted on the housing, and the workpiece is located at the carrying portion and the Between the grinding discs, the grinding machine comprises a lifting mechanism, the lifting mechanism comprises a driving cylinder fixed to the grinding machine, a body, a connecting portion and three hanging portions, the connecting portion is connected to the body and the driving cylinder, the hanging portion The holding portion is rotatably mounted on the body for holding the weight, and the driving cylinder drives the body to move to the carrier to cause the weight to press against the carrier, thereby increasing the friction between the carrier and the workpiece and the grinding disk. .

The electrical connector of the lifting and lowering mechanism of the grinding machine is installed in the accommodating space of the insulating body, and is firmly clamped by the holding portion and the clamping block, so that the lifting mechanism of the grinding machine is simple in structure and convenient to disassemble.

Referring to FIG. 1 together, the lifting mechanism of the grinding machine of the present invention is used for holding a weighting block 60 for a grinding machine, which is used for grinding a flat workpiece such as a lens, and includes a casing 10 and a grinder control device (not shown) ), the grinding disc 20 mounted on the casing 10, the carrying portion 30, and the grinder lifting mechanism. The grinder lifting mechanism includes a driving cylinder 40 fixed to the grinder and a hanging member 50 connected to the driving cylinder 40. The grinder control device is used to control the grinder for grinding and lifting mechanism movement.

Referring to FIG. 4 together, the driving cylinder 40 is provided with a piston rod 41. The hanging member 50 includes a body 51 and a connecting portion 53 and three hanging portions 55. The body 51 is an equilateral triangular plate body including three mounting holes 511 and a lifting ring 512. The three mounting holes 511 are disposed at three angular positions of the body 51. The lifting ring is disposed at a middle portion of a surface of the body 51. The connecting portion 53 includes a connecting head 531, a connecting chain 532, and a connecting latch 533. The connecting buckle 533 is fixed to form an annular body by two half rings. One end of the connecting chain 532 is fixed to the end of the connecting head 531, and the other end is fixed to the outer periphery of the half ring of the connecting buckle 533. The connecting buckle 533 and the lifting ring 512 are buckled, and the two half rings of the connecting buckle 533 are locked by screws. The other end of the connecting head 531 is fixedly connected to the piston rod 41 of the driving cylinder 40 by a bolt. The piston rod 41 can drive the hanging member 50 to slide.

The hanging portion 55 includes a rotating end 551, a hanging chain 552, and a hanging catch 553. The rotating end 551 is provided with a bearing. The hanging lock 553 includes two arched blocks 554. Each of the arches 554 is provided with two opposite fixed ends 555, and the fixed ends 555 of the two arched blocks 554 are fixed by a screw 556 to form a ring shape. One end of the hanging chain 552 is fixed to the end of the rotating end 551, and the other end is fixed to the outer periphery of an arch 554. The rotating end 551 of the three holding portions 55 passes through the mounting hole 511 of the body 51 and is mounted on the body 51 by a fixing sleeve 557 and is rotatable relative to the body. The three hanging latches 553 Located on the same side of the body 51 and keeping the body 51 in equilibrium.

A reference clamp 56 is further mounted on the hanging catch 553 of the hanging member 50. The reference pressure block 56 has a round cake shape, and a middle portion of the surface is provided with a lifting ring 561. The two arched blocks of the hanging locking buckle 553 are detachable for being fitted on the lifting ring 561. A stud 562 is disposed in the middle of the other surface of the reference block 56 for connecting the weight 60.

Referring to FIG. 2 and FIG. 3 together, the chassis 10 includes a panel 11, a support frame 13 and a drive motor (not shown) for mounting the interior of the chassis 10. The panel 11 is provided with a receiving hole 12 . The support frame 13 includes a support plate 131 and a fixing plate 132 perpendicular to one end of the support plate 131. The support plate 131 and the panel 11 are vertically fixed to one side of the chassis 10, and the fixed plate 132 is located directly above the panel 11. The driving cylinder 40 is fixed to the center of the fixing hole 132 at the end of the fixing plate 132.

The grinding disc 20 is a disc including a polishing surface 21 and a drive shaft portion 22. The abrasive surface 21 is a flexible layer such as cowhide. The driving shaft portion 22 is mounted on a surface of the grinding disc 20 opposite to the polishing surface 21 for connecting with a driving motor in the casing 10 to drive the grinding disc 20 to rotate. The grinding disc 20 is received in the receiving hole 12 .

Referring to FIG. 5 , the carrying portion 30 includes three carrying trays 31 and a carrier 33 for positioning the carrying tray 31 . The carrier disk is a disk, and a receiving groove 311 is disposed on one surface thereof for receiving the workpiece to be polished, and a positioning protrusion 312 is disposed in a middle portion of the other surface. The carrier 33 includes a bracket 331, a resisting plate 332 and two leather wheels 333. The brackets 331 of the three carriers 33 are fixed on the panel 11 and are equally spaced around the circumference of the receiving hole 12. One end of the resisting plate 332 is fixed on the bracket 331 and located above the receiving hole 12 , and an opposite end of the receiving hole 12 is provided with an arcuate notch 334 . The notches 334 of the three resisting plates 332 are all facing in a clockwise direction. The pickup wheel 333 is mounted on the surface of the resisting plate 332 opposite to the receiving hole 12 at both ends of each of the notches 334. One of the two pulleys 333 on each of the abutment plates 332 is opposite to the notch 334 of the adjacent abutment plate 332. The carrier disk 31 can be disposed in the notch 334 of the abutting plate 332. The outer periphery of the carrier disk 31 and the top wheel 333 of the two ends of the notch 334 and the other abutting plate 332 opposite to the notch 334 The pick-up wheel 333 is tangential to generate a resisting force on the carrying tray 31. The three carrying trays 31 are held by the three resisting plates 332 above the receiving hole 12 and the three carrying trays 31 are tangentially disposed.

The weight 60 is used to press the carrier 31 to increase the grinding force of the workpiece on the multi-carrier tray 31 of the grinding disc 20. The weight portion 60 has a threaded hole 61 in the middle of the surface for connecting with the stud 562 of the reference pressing block 56, and a positioning groove 62 is provided in the middle of the other surface. The weight of the weight 60 and the reference block 56 can vary depending on the desired friction of the workpiece.

Referring to FIG. 1 , the driving cylinder 40 is mounted on the support frame 13 of the grinding machine. The reference pressing block 56 on the three holding portions 55 of the holding member 50 is aligned with the three supporting trays 31 . When the workpiece is ground by using the grinder, the carrier tray 31 is turned over, and the workpiece is loaded into the accommodating groove 311. The surface of the workpiece that needs to be ground protrudes from the accommodating groove 311, and then the carrier tray 31 is loaded. On the carrier 33, the carrier 31 and the workpiece are in contact with the polishing surface 21 of the grinding disc 20 on the chassis 10, and the reference weight 56 on the hanging portion 55 is loaded with the weight 60. The positioning groove of the weight 60 is engaged with the positioning protrusion 312 of the carrier 31, and the driving cylinder 40 is activated by the grinder control device. The piston rod 41 drives the hanging member 50 to move toward the panel 11, so that the three hanging The weight 60 of the holding portion 55 is pressed against the carrier 31, and the workpiece is recessed in the polishing surface 21, and the carrier 31 is abutted against the polishing surface 21; the driving motor in the chassis 10 is restarted. The driving shaft portion 22 is rotated, and the grinding disc 20 is rotated relative to the carrying tray 31 to cause the workpiece to rub against the grinding surface 21 for generating a linear velocity between the grinding disc 20 and the carrying tray 31, thereby causing the carrying tray 31 to be driven. Producing autobiography, and driving the weight 60 and the hanging portion 55 to rotate the grinding disc 20, and then the workpiece table Rubbing, since the hanging portion 55 hanging holder holding the chain 552 having a certain toughness, to the grinding disc by rotating force of the cushion 20, the holding portion 55 does not damage linked.

10. . . Chassis

11. . . panel

12. . . Socket hole

13. . . Support frame

131. . . Support plate

132. . . Fixed plate

20. . . Grinding disc

twenty one. . . Grinding surface

twenty two. . . Drive shaft

30. . . Carrying part

31. . . Carrier disk

311. . . Locating slot

312. . . Positioning bulge

33. . . Carrier

331. . . support

332. . . Resisting board

333. . . Leather wheel

334. . . gap

40. . . Drive cylinder

41. . . Piston rod

50. . . Hanging piece

51. . . Ontology

511. . . Mounting holes

512. . . Ring

53. . . Connection

531. . . Connector

532. . . Connecting chain

533. . . Connection lock

55. . . Holding department

551. . . Rotating end

552. . . Hanging chain

553. . . Hanging lock

554. . . Arched block

555. . . Fixed end

556. . . Screw

557. . . Fixing sleeve

56. . . Reference block

561. . . Ring

562. . . Stud

60. . . Counterweight

61. . . Threaded hole

62. . . Positioning slot

Figure 1 is a perspective view of the lifting mechanism of the grinding machine of the present invention.

2 is an exploded perspective view of the lifting mechanism of the grinder shown in FIG. 1.

Fig. 3 is another perspective view showing the structure of a portion of the lifting mechanism of the grinder shown in Fig. 2.

4 is a schematic view of the hanging portion of the lifting mechanism of the grinder shown in FIG. 2.

Figure 5 is a schematic view of the carrying fixture of the lifting mechanism of the grinder shown in Figure 2.

10. . . Chassis

11. . . panel

13. . . Support frame

20. . . Grinding disc

30. . . Carrying part

31. . . Carrier disk

33. . . Carrier

40. . . Drive cylinder

51. . . Ontology

53. . . Connection

55. . . Holding department

56. . . Reference block

60. . . Counterweight

Claims (10)

A grinding machine lifting mechanism for holding a grinding weight, comprising a driving cylinder, wherein the grinding machine lifting mechanism further comprises a body, a connecting portion and three hanging portions, the connecting portion connecting the body and the a driving cylinder, the three hanging portions include a rotating end, a hanging latch, and a hanging chain connecting the rotating end and the hanging buckle, wherein the three hanging portions are mounted on the body by the rotating end, The hanging lock is used to hold the weight. The grinder lifting mechanism according to claim 1, wherein the main body is an equilateral triangular plate, and a middle portion of the surface is provided with a lifting ring, and the connecting portion comprises a connecting head, a connecting buckle and a connecting connector and a connecting buckle. The connecting chain is connected to the buckle of the lifting ring, and the connecting head is connected with the piston rod of the driving cylinder. The grinding machine lifting mechanism of claim 2, wherein the three angled positions of the body are provided with mounting holes, and the rotating ends of the three hanging portions are provided with bearings which are rotatably fixed through the mounting holes. The body is balanced and the body is balanced, and the hanging lock and the connecting portion are located on two surfaces opposite to the body. The grinder lifting mechanism of claim 3, wherein the hanging lock is formed by two detachable arches, each arch having two opposite fixed ends, by a screw The fixed ends of the two arched blocks are fixed. The grinding machine lifting and lowering mechanism of claim 4, wherein the hanging lock is further provided with a reference pressing block, and a middle part of the surface of the reference pressing block is provided with a lifting ring, and the two arched blocks of the hanging locking buckle are provided. It can be detached to fit over the sling. A grinding machine for grinding a surface of a workpiece, comprising: a casing, a grinding disc, three carrying trays for loading the workpiece, and a weighting block, wherein the grinding disc and the supporting disc are mounted on the chassis, and the workpiece is located on the carrying tray and the The improvement between the grinding discs is that the grinding machine further comprises a lifting mechanism, the lifting mechanism comprises a driving cylinder fixed to the grinding machine, a body, a connecting portion and three hanging portions, the connecting portion is connected to the body and the Driving the cylinder, the hanging portion is rotatably mounted on the body for holding the weight, the driving cylinder driving the body to move to the carrier to cause the weight to press the carrier, thereby increasing the carrier and the workpiece The friction of the grinding disc. The grinding machine of claim 6, wherein the three hanging portions comprise a rotating end, a hanging locking buckle, and a hanging chain connecting the rotating end and the hanging locking buckle, wherein the three hanging portions are The rotating end is mounted on the body, and the hanging lock is further provided with a reference pressing block. The bottom surface of the reference pressing block is provided with a lifting ring, and the two arched blocks of the hanging locking buckle are detachable for the sleeve On the ring. The grinding machine of claim 7, wherein the two opposite surfaces of the weight are respectively provided with a threaded hole and a positioning groove, the reference block is provided with a stud, and the carrying plate is provided with a positioning protrusion. The weight is fixed by the stud and the threaded hole of the reference block, and is positioned by the positioning groove and the positioning protrusion of the carrier. The grinding machine of claim 8, wherein the chassis comprises a panel and a driving motor mounted inside the casing, the panel is provided with a receiving hole, the grinding disc comprises an grinding surface and a driving shaft portion, and the driving shaft portion The driving motor is connected to the receiving hole, and the polishing surface is exposed to the receiving hole. The grinder of the ninth aspect of the invention, wherein the grinder further comprises three carriers uniformly distributed on the periphery of the accommodating hole, the carrier comprises a bracket, a supporting plate of the fixing bracket and two leather wheels. One of the opposite ends of the holding plate and the receiving hole is provided with an arc-shaped notch. The notches of the three resisting plates are all facing the same. The surface of the resisting plate opposite to the receiving hole is located at two of each resisting groove. The end wheel is provided with the leather wheel, and one of the two leather wheels on each of the resisting plates is opposite to the notch of the adjacent abutting plate, and the carrier disk can be installed in the notch of the resisting plate, and the carrying plate is The outer circumference is tangent to the leather wheel at both ends of the notch and the leather wheel on the other abutting plate opposite to the notch.