TWI747753B - Pipe turning device - Google Patents

Abstract

A pipe turning device is provided, which includes a tube rotating shaft and an auxiliary pushing module. An outer side of the tube rotating shaft is provided with a rotating tube seat, and an inner side of the tube rotating shaft is provided with a through-core tube. The auxiliary push module includes a final auxiliary push shaft, an auxiliary push motor and a linkage. A first end of the final auxiliary push shaft is connected to a first end of the through-core tube. The auxiliary push motor is located on one side of the final auxiliary push shaft, and the auxiliary push motor is provided with a screw. The linkage is fixed between the first end and the second end of the final auxiliary push shaft, and is screwed on the screw. Among them, when the auxiliary push motor rotates the screw, the linkage moves along the screw, thereby driving the displacement of the final auxiliary push shaft, and the final auxiliary push shaft drives the displacement of the through-core tube to push out a clamping part of the pipe.

Description

Tube turning mechanism of tube bending machine

The present invention relates to a pipe turning mechanism of a pipe bender, and particularly refers to a pipe fitting waste that can reduce pipe bending. That is, by using the design of the pipe turning mechanism to reduce the length of the grasping pipe, the waste material during the bending can be reduced, and the pipe bending can be improved. The economic benefits of the pipe bending machine.

According to the previous application of the applicant in this case, the pipe bending mechanism of the pipe bender, such as Announcement No. I294316 or Announcement No. 584027, where the auxiliary push device of the pipe end of the pipe bender, such as Announcement No. 584027, is used when the clamping piece is in the bend. During operation, after gradually approaching to a certain distance between the bending mold base and the guide mold base, the first power unit controls the moving plate to stop moving, and the second power unit controls the longitudinal movement of the pipe transfer group so that the clamping piece can move backwards , And the end of the pipe will continue to pass through the holding head of the clamping piece and move towards the bending die seat and guide die seat of the pipe bending device by the pushing action of the pusher, so that the end of the pipe can continue to bend. With this design, the end of the pipe can be smoothly bent and formed without cutting off the end, so that the end of the pipe will not be wasted, which can effectively save the cost of manufacturing. However, this design uses an auxiliary pushing device to clamp The part moves backward so that the end of the pipe can pass through the holding head of the protruding clamping part by the pushing action of the pushing part, and then control the first power device to start operation, so that the end of the pipe can also be bent and formed. The activation of the pushing device will cause a pause in the pipe bending operation, which will affect the operating time of the pipe bending operation. Based on this, the inventors studied the problems of the aforementioned pipe bender, and then invented the present case.

The purpose of the present invention is to provide a pipe turning mechanism that cooperates with the pipe bending device to provide the end of the pipe. The pipe turning mechanism is used to push the pipe clamped in the tube sleeve outward, so that the pipes processed each time can be Generate the least waste, reduce the remaining waste of pipe bender users, increase profitability, and improve the quality of the pipe bender, and increase the practical value of the pipe bender.

Based on the above objective, the present invention provides a tube rotating mechanism of a tube bender, which includes a tube rotating shaft and an auxiliary push module. A rotating tube seat is arranged on the outer side of the rotating tube shaft, and a through-core tube is arranged on the inner side of the rotating tube shaft. The auxiliary push module includes the final auxiliary push shaft, auxiliary push motor and linkage parts. The first end of the final auxiliary push shaft is connected to the first end of the through-core tube. The auxiliary pushing motor is located on one side of the final auxiliary pushing shaft, and the auxiliary pushing motor is provided with a screw. The linkage is fixed between the first end and the second end of the final auxiliary push shaft, and is screwed on the screw. Wherein, when the auxiliary push motor rotates the screw, the linkage is displaced along the screw, thereby driving the displacement of the auxiliary push shaft of the end section, and the auxiliary push shaft of the end section then drives the through-core tube to return to push out the pipe. The clamping part.

Preferably, the through-core tube is provided with an engaging protrusion adjacent to the first end of the through-core tube, and at least one side of the engaging protrusion is provided with a bearing, and the first auxiliary thrust shaft of the end section The end is provided with an engaging sleeve, and one end of the engaging sleeve relative to the first end of the auxiliary push shaft of the end section is provided with an engaging sleeve cover, and the engaging sleeve cover is combined with the engaging sleeve to form an engaging groove , The bearing of the through-core tube is arranged in the engaging groove.

Preferably, the linkage member includes a socket and a socket cover. One end of the socket is fixed between the first end and the second end of the auxiliary push shaft of the end section. The other end of the socket is formed with a connecting groove. One end of the socket cover is formed with a connecting protrusion to be fixed to the connecting groove. The other end of the sleeve cover is screwed on the screw.

Preferably, the screw rod is provided with a sliding groove member on one side of the auxiliary push shaft of the end section, and the sliding groove member is arranged along the length direction of the screw rod and has a sliding groove, and the other end of the sleeve cover is further extended A sliding block is formed, and the sliding block is movably embedded in the sliding groove.

In view of the above, the tube rotating mechanism of the tube bender of the present invention utilizes the auxiliary push shaft provided on one side of the rotating tube shaft to expand and contract to drive the through-core tube to move back and forth, thereby clamping the tube in the tube sleeve. Move outwards to reduce the waste of pipe bending and increase the practical value and economic benefits of the pipe bending machine.

110: Rotating tube shaft

111: Rotary tube seat

112: Macaroni

1121: snap round

1122: Bearing

113: auxiliary push motor

114: Screw

115: Auxiliary push shaft at the end

1152: snap set

1153: snap-fit cover

1154: Snap groove

116: Linkage

1161: Socket

11611: connection groove

1162: socket cover

11621: Connection bump

11622: Slider

117: Chute piece

1171: Chute

Figure 1 is a schematic cross-sectional view of the tube rotating mechanism of the tube bender of the present invention.

Figure 2 is a three-dimensional schematic diagram of the auxiliary push module of the tube rotating mechanism of the tube bender of the present invention.

Figure 3 is an enlarged schematic diagram of the connection between the auxiliary push shaft of the end section of the tube rotating mechanism of the tube bender of the present invention and the through-core.

Figure 4 is a schematic diagram of the linkage of the tube rotating mechanism of the tube bender of the present invention.

Figure 5 is a schematic diagram of the operation of the tube rotating mechanism of the tube bender of the present invention.

In order to understand the features, content and advantages of the present invention and its achievable effects, the present invention is combined with the figures and described in detail in the form of an embodiment as follows, and the figures used therein are only for the purpose The schematic and auxiliary instructions are not necessarily the true proportions and precise configurations after the implementation of the present invention. Therefore, the proportions and configuration relationships of the accompanying drawings should not be interpreted as to limit the scope of rights of the present invention in actual implementation.

Please refer to Figures 1 to 5. Figure 1 is a schematic cross-sectional view of the tube rotating mechanism of the tube bender of the present invention. Figure 2 is a three-dimensional schematic diagram of the auxiliary push module of the tube rotating mechanism of the tube bender of the present invention. Figure 3 is an enlarged schematic diagram of the connection between the auxiliary push shaft of the end section of the tube rotating mechanism of the tube bender of the present invention and the through-core. Figure 4 is a schematic diagram of the linkage of the tube rotating mechanism of the tube bender of the present invention. Figure 5 is a schematic diagram of the operation of the tube rotating mechanism of the tube bender of the present invention.

The pipe bender mentioned in the present invention includes: a machine, which is equipped with a numerical control device (not shown in the figure). This numerical control device belongs to a general CNC numerical control system and is a conventional technology. This will not be repeated here. One side of the machine is equipped with a pipe bending device, which is a mold for pipe bending processing. As shown in the figure, the tube rotating mechanism of the tube bender of the present invention includes a tube rotating shaft 110 and an auxiliary pushing module.

Wherein, the outer side of the rotating tube shaft 110 is provided with a rotating tube seat 111 and the inner side of the rotating tube shaft 110 is provided with a through-core tube 112. Incidentally, one side of the tube shaft 110 is fixed with a tube gear, and the tube motor can be used to rotate the tube shaft 110 through the tube gear to rotate the processed tube. The purpose is to confirm the bending process. The surface of the pipe fitting can be bent to prevent the welded pipe fitting from cracking from the welding line. This is well known to those with ordinary knowledge in the art, and will not be repeated here.

Among them, the auxiliary pushing module includes a final auxiliary pushing shaft 115, an auxiliary pushing motor 113 and a linkage 116. The first end of the final auxiliary push shaft 115 is connected to the first end of the through tube 112. The auxiliary thrust motor 113 is located on one side of the final auxiliary thrust shaft 115, and the auxiliary thrust motor 113 is provided with a screw 114. The linkage 116 is fixed between the first end and the second end of the final auxiliary push shaft 115 and is screwed on the screw 114. Among them, the axis of the screw 114 is parallel to the axis of the auxiliary push shaft 115 of the end section.

As shown in Figure 5. Therefore, when the auxiliary pushing motor 113 rotates the screw 114, the linkage 116 is displaced along the screw 114, thereby driving the end auxiliary pushing shaft 115 to move, and the end auxiliary pushing shaft 115 then driving the through-core tube 112 Move to the reset to push out the clamping part of the pipe.

Please refer to Figure 3 for cooperation. More specifically, the through tube 112 is provided with an engaging protrusion 1121 adjacent to the first end of the through tube 112, and at least one side of the engaging protrusion 1121 is provided with a bearing 1122. In addition, the first end of the final auxiliary push shaft 115 is provided with an engaging sleeve 1152, and the engaging sleeve 1152 An end of the first end of the auxiliary push shaft 115 is provided with an engaging sleeve cover 1153. The engaging sleeve cover 1153 is combined with the engaging sleeve 1152 to form an engaging groove 1154. The engaging groove The bearing 1122 of the through-core tube 112 is provided in 1154. Wherein, the engaging sleeve 1152 can be screwed on the first end of the auxiliary pushing shaft 115, and the engaging sleeve cover 1153 can also be screwed on the engaging sleeve 1152 to combine the two into a whole. The present invention uses the aforementioned arrangement of the engagement protrusion 1121, the bearing 1122, the engagement sleeve 1152, and the engagement sleeve cover 1153, so that the final auxiliary push shaft 115 and the through-core tube 112 can be connected stably and also It is convenient to replace the core tube 112 and other operations.

It is worth mentioning that the locking sleeve cover 1153 is screwed on the inner side of one end of the aforementioned locking sleeve 1152. Of course, the locking sleeve cover 1153 and the aforementioned through-core tube 112 are in a non-contact shape, and the aforementioned locking sleeve 1152 and the card After the sleeve cover 1153 is combined, an engaging groove 1154 is formed. The bearing of the aforementioned through-core tube 112 is arranged in the engaging groove 1154 to effectively connect the through-core tube 112 and the auxiliary push shaft 115 at the end.

Please refer to Figure 4 for cooperation. The connecting member 116 includes a socket 1161 and a socket cover 1162. One end of the socket 1161 is fixed between the first end and the second end of the auxiliary push shaft 115 of the end section. In addition, the other end of the socket 1161 is formed with a connecting groove 11611, and one end of the socket cover 1162 is formed with a connecting bump 11621, so that the connecting bump 11621 is inserted into the connecting groove 11611 and fixed to the connecting groove 11611 middle. The other end of the socket cover 1162 is screwed on the screw 114. Wherein, when the connecting protrusion 11621 is inserted into the connecting groove 11611, it can be fixed by means of screw locking or tight fitting. Preferably, it is fixed by screw locking. For example, one of the side walls of the connecting groove 11611 may be provided with a screw hole, and the other side wall may be provided with a through hole. The connecting protrusion 11621 may be provided with a through hole corresponding to the connecting groove 11611, so that elements such as bolts can be used to pass through the two and be locked and fixed.

In the present invention, the configuration of the socket 1161 and the socket cover 1162 described above enables the auxiliary push shaft 115 and the screw 114 to be connected stably.

Please refer to Figure 2 for cooperation. The screw 114 is provided with a sliding groove 117 on one side of the auxiliary pushing shaft 115 at the end, and the sliding groove 117 is arranged along the length direction of the screw 114 and has a sliding groove 1171. The other end of the socket cover 1162 further extends to form a sliding block 11622, and the sliding block 11622 is movably inserted into the sliding groove 1171.

According to the present invention, through the arrangement and guidance of the sliding groove member 117 and the sliding block 11622 described above, the linkage member 116 can drive the displacement of the auxiliary pushing shaft 115 of the end section to be more stable.

By the way, the other side of the machine is provided with a shaft seat, which is provided with a central shaft, which is penetrated by the end auxiliary push rod and passes through the core tube 112 and the inner side of the beam tube sleeve. Between the casing core and the pipe fittings up to the pipe bending device, the effect of correcting the pipe rotating mechanism and making it move stably on the machine platform can be achieved, and the bending of the pipe fittings caused by the extrusion between the pipe bending device can be reduced. Ensure the quality of pipe processing.

As a result, the pipe to be processed is clamped by the inner claw clamping die in the tube tube sleeve, and moved to the bending device on the machine through the pipe rotating mechanism. The pipe can be rotated through the rotating pipe shaft 110 to produce a continuous variety of angles. The elbow structure can also produce a simple arc-shaped elbow, and when the pipe rotation mechanism stops the displacement of the pipe fittings on the machine, the clamping part of the pipe fittings is still left in the tube beam sleeve, which is assisted by the end section of the auxiliary push motor 113 Push the push rod outwards to push the core tube 112 to move the casing core connected to the core tube 112 outwards, so that the clamping part of the pipe fitting can be pushed out, and the remaining pipe fittings can be processed further. In addition, in addition to the above-mentioned use of the sleeve core to push the remaining part of the pipe, after the pipe rotation mechanism stops the displacement of the pipe on the machine, the pipe rotation mechanism is moved away from the pipe for a short distance, and then the auxiliary push motor 113 will The casing core is pushed out, so that the casing core partly protrudes from the tube bundle sleeve, and then the casing core is clamped by the inner jaw clamping mold, so that the tube turning mechanism forms a pushing mechanism, and the tube turning mechanism can be placed on the machine again Move to the pipe bending device to push the remaining pipe fittings to the pipe bending device. The remaining part of the pipe fittings can also be processed continuously, which effectively reduces the waste of pipe fittings and reduces the cost of pipe fittings. In the pipe bending process, the working time of removing the remaining clamped pipe fittings can also be omitted, shortening the manufacturing time of pipe bending processing, and improving the efficiency of pipe fitting processing.

The above-mentioned embodiments are only to illustrate the technical ideas and features of the present invention, and their purpose is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly. When they cannot be used to limit the patent scope of the present invention, That is, all equal changes or modifications made in accordance with the spirit of the present invention should still be covered by the patent scope of the present invention.

110: Rotating tube shaft

111: Rotary tube seat

112: Macaroni

113: auxiliary push motor

114: Screw

115: Auxiliary push shaft at the end

116: Linkage

Claims (3)

A tube rotating mechanism of a tube bender includes: a rotating tube shaft with a rotating tube seat on the outer side, and a through-core tube on the inner side of the rotating tube shaft; and an auxiliary push module, which includes a The last auxiliary push shaft, an auxiliary push motor and a linkage; the first end of the last auxiliary push shaft is connected to the first end of the through-core tube; the auxiliary push motor is located on one side of the last auxiliary push shaft , And the auxiliary pushing motor is provided with a screw; the linkage is fixed between the first end and the second end of the final auxiliary pushing shaft, and is screwed on the screw; wherein, when the auxiliary pushing motor rotates the When the screw is screwed, the linkage is displaced along the screw, thereby driving the displacement of the auxiliary push shaft of the end section, and the auxiliary push shaft of the end section drives the through-core tube to return to push out the clamping part of the pipe; wherein, the linkage The parts include a socket and a socket cover. One end of the socket is fixed between the first end and the second end of the auxiliary push shaft of the end section, and the other end of the socket forms a connection In the groove, one end of the sleeve cover is formed with a connecting protrusion to be fixed to the connecting groove, and the other end of the sleeve cover is screwed on the screw rod. Such as the pipe turning mechanism of the pipe bender of claim 1, wherein the through-core tube is provided with an engaging protrusion adjacent to the first end of the through-core tube, and at least one side of the engaging protrusion is provided with a bearing , The first end of the final auxiliary push shaft is provided with a snap sleeve, and the end of the snap sleeve opposite to the first end of the final auxiliary push shaft is provided with a snap sleeve cover, the snap sleeve cover and the The engaging sleeve is combined to form an engaging groove, and the bearing of the through-core tube is arranged in the engaging groove. Such as the pipe turning mechanism of the pipe bender of claim 1, wherein the screw is relative to the end section One side of the auxiliary pushing shaft is provided with a sliding groove part, and the sliding groove part is arranged along the length direction of the screw and has a sliding groove, the other end of the sleeve cover further extends to form a sliding block, and the sliding block is The chute is movably embedded.

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