CN211361519U - Cam type automatic rotating and lifting tool changing mechanism - Google Patents
Cam type automatic rotating and lifting tool changing mechanism Download PDFInfo
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- CN211361519U CN211361519U CN201922433509.6U CN201922433509U CN211361519U CN 211361519 U CN211361519 U CN 211361519U CN 201922433509 U CN201922433509 U CN 201922433509U CN 211361519 U CN211361519 U CN 211361519U
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Abstract
The utility model discloses a cam-type automatic rotary lifting tool changing mechanism, which comprises a gear shaft, an input shaft, an output turret, a lifting output shaft, a sprocket shaft, a shifting lever, a control circuit board and an encoder, wherein the input shaft is provided with a cambered surface cam, a fluted disc cam and a driving sprocket, the gear shaft is connected with a driving motor and a bevel gear, and the cambered surface cam drives the output turret to rotate through a cam curved surface; the deflector rod is provided with a first needle bearing and a second needle bearing, and the fluted disc cam is provided with a curved annular groove; the lifting output shaft is provided with an annular guide groove, one end of the lifting output shaft is arranged in a shaft hole of the output rotating tower in a sliding mode, the first needle bearing is inserted into the annular guide groove, the chain wheel shaft is provided with a driven chain wheel, a shaft of the encoder is fixedly connected with the chain wheel shaft, the driven chain wheel is connected with the driving chain wheel in a chain transmission mode, and the encoder is electrically connected to the control circuit board. The utility model discloses the structure is simpler, the cost is also lower, and controls pluralism more, and signal control is more accurate.
Description
Technical Field
The utility model relates to an automatic tool changing technical field of lathe specifically is a cam-type autogiration lift tool changing mechanism.
Background
Automatic Tool Changer (ATC) is a device on a numerical control machine tool, and can automatically change tools, improve the production capacity of the device and increase the number of supporting tools. The automatic tool changing mechanism can quickly change tools on the machine tool, and the non-operation time is reduced. Automatic tool changing mechanisms are generally designed to improve machine tool capabilities and can be used with a variety of tools. Automatic tool changing mechanisms may also be used to replace worn or damaged tools. The machine tool can be moved further toward the automation goal. Generally, after the automatic tool changer receives a tool change command from the machine tool controller, the tool magazine moves the tool to be used to a fixed position (a preliminary tool change position). When the tool changing arm of the automatic tool changing mechanism reaches the position, the tool is taken out, and the tool changing arm can rotate between the processing spindle and the tool magazine. And two sides of the tool changing arm are respectively provided with a tool claw, one end of the tool claw takes off the unused tool from the processing spindle, the other end of the tool claw takes off the tool to be used from the tool magazine, then the tool magazine is rotated by 180 degrees, the unused tool is put back into the tool magazine, and the tool to be used is changed onto the processing spindle.
Referring to fig. 4, in the prior art, an automatic tool changer detects and reads an angle signal of a cambered cam on an input shaft by arranging a plurality of proximity switches 200 on a bracket 100 and arranging a plurality of induction cams 300 corresponding to the proximity switches. The controller of the machine tool controls a power switch of the motor according to the induction signal of the proximity switch so as to realize the functions of original point control, cutter loosening control, cutter clamping control, lifting control and the like and realize automatic rotation, lifting and tool changing. However, in this control method, a bracket, a plurality of proximity switches and a plurality of induction cams need to be arranged, the structure is complex, the cost is high, and in the process of sending induction signals from the proximity switches to the machine tool controller and controlling the action of the motor by the machine tool controller, the problem of reaction time exists, that is, the machine tool control is often delayed and cannot be accurately controlled.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a cam-type autogiration lift tool changing mechanism, the structure is simpler, the cost is also lower, and controls more in a flexible way, and signal control is more accurate.
The technical scheme of the utility model is realized like this:
a cam type automatic rotating lifting tool changing mechanism comprises a gear shaft, an input shaft, an output turret, a lifting output shaft, a chain wheel shaft, a shifting rod, a control circuit board and an encoder, wherein an arc cam, a fluted disc cam and a driving chain wheel are sequentially and fixedly arranged on the input shaft, one end of the gear shaft is connected with a driving motor, a bevel gear used for driving the fluted disc cam to rotate is arranged at the other end of the gear shaft, the output turret is perpendicular to the input shaft, and the arc cam drives a plurality of rollers arranged on the periphery of the output turret through a cam curved surface to transmit the rollers to the output turret; one end of the shifting lever is rotatably arranged, a first needle bearing is mounted at the other end of the shifting lever, a second needle bearing is mounted in the middle of the shifting lever, and a curve ring groove for driving the second needle bearing is formed in the top of the fluted disc cam; an annular guide groove is formed in the middle of the lifting output shaft, one end of the lifting output shaft is arranged in a shaft hole of the output rotating tower in a sliding mode, the other end of the lifting output shaft is used for installing a cutter changing arm, the first needle bearing is inserted into the annular guide groove, a driven sprocket is installed on the sprocket shaft, a shaft of the encoder is fixedly connected with the sprocket shaft, the driven sprocket is connected with the driving sprocket through chain transmission, and the encoder is electrically connected to the control circuit board.
The driving mechanism comprises a box body, a gear shaft, a driving motor, a driving rod and a driving shaft, wherein two ends of the input shaft are rotatably installed on the inner wall of the box body through bearings, so that the cambered surface cam, the fluted disc cam and the driving sprocket are contained in the box body; the output turret and the lifting output shaft are arranged in the box body, after the output turret and the lifting output shaft are assembled together, two ends of the output turret and the lifting output shaft are rotatably arranged on the box body through bearings, and one end of the lifting output shaft penetrates out of the box body.
Further, still include the sprocket case, the sprocket shaft pass through the bearing and rotate install in the sprocket incasement, the encoder install in on the lateral surface of sprocket case, just the axle of encoder passes keep away a hole on the sprocket case with the one end fixed connection of sprocket shaft, the sprocket case install in on the lateral surface of box, the sprocket case be formed with on the box and dodge the window of chain.
Furthermore, still include the control box, the control scheme board set up in the control box, the control box install in on the lateral surface of box, and be located one side of sprocket case.
The utility model has the advantages that: the encoder and the control circuit board are adopted to replace the support, the proximity switches and the induction cams, so that the functions of original point control, cutter loosening control, cutter clamping control, lifting control and the like of the cam type automatic rotating lifting cutter changing mechanism are realized, and then automatic rotating lifting cutter changing is realized. And because encoder and sprocket shaft fixed connection, sprocket shaft and entry shaft pass through the chain transmission, can the accurate angle signal of reading the last cambered surface cam of entry shaft, for the induction signal of proximity switch, encoder simple structure, cost are lower, and control is very nimble, can realize setting up the storage of more multiunit signals, make signal control more pluralism. Because of the synchronous relation between the encoder, the control circuit board and the input shaft, the time point for sending a control signal to the machine tool can be flexibly set according to the action time of the relevant tool changing facility of the machine tool, and the corresponding tool loosening and locking signals can be sent to the machine tool in advance generally at the tool arm tool buckling point and the tool exchanging rear tool inserting point, so that the reaction waiting time of the machine tool and the tool loosening and locking facility when the tool arm reaches the tool buckling point and the tool inserting point is reduced or eliminated, and the whole tool changing process which is controlled more quickly and more accurately is realized.
Drawings
FIG. 1 is a perspective view of the cam type automatic rotating and lifting tool changing mechanism of the present invention;
FIG. 2 is an internal structure view of a cam-type automatic rotary elevation tool changer according to the present invention;
FIG. 3 is an internal structure view of the cam type automatic rotary elevation tool changer of the present invention at another viewing angle;
fig. 4 shows a cam type automatic rotating and lifting tool changing mechanism in the prior art.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following examples are given in detail for the purpose of better understanding the contents of the present invention and are not intended to limit the scope of the present invention. The components in the structures of the drawings of the embodiments are not necessarily to scale, and do not represent actual relative sizes of the structures in the embodiments. The upper side or upper side of the structure or surface includes the case where other layers are interposed.
As shown in fig. 1, 2 and 3, a cam type automatic rotating and lifting tool changing mechanism comprises a gear shaft 1, an input shaft 2, an output turret 3, a lifting output shaft 4, a sprocket shaft 5, a shift lever 6, a control circuit board and an encoder, wherein an arc cam 8, a fluted disc cam 9 and a driving sprocket 10 are sequentially and fixedly arranged on the input shaft, one end of the gear shaft is connected with a driving motor 11, a bevel gear 12 for driving the fluted disc cam to rotate is arranged at the other end of the gear shaft, the output turret is perpendicular to the input shaft, and the arc cam drives a plurality of rollers 310 arranged on the periphery of the output turret to transmit to the output turret through a cam curved surface 810; one end of the shifting lever is rotatably arranged, a first needle bearing 13 is arranged at the other end of the shifting lever, a second needle bearing 14 is arranged in the middle of the shifting lever, and a curved annular groove 910 for driving the second needle bearing is formed at the top of the fluted disc cam; an annular guide groove 410 is formed in the middle of the lifting output shaft, one end of the lifting output shaft is arranged in a shaft hole of the output rotating tower in a sliding mode, the other end of the lifting output shaft is used for installing a tool changing arm, the first needle bearing is inserted into the annular guide groove, a driven sprocket 15 is installed on the sprocket shaft, a shaft of the encoder is fixedly connected with the sprocket shaft, the driven sprocket is connected with the driving sprocket through chain transmission, and the encoder is electrically connected to the control circuit board. Like this, adopt encoder and control scheme board to replace and set up support, a plurality of proximity switch and response cam, can realize functions such as origin control, loose sword control, double-layered sword control, lift control, realize autogiration lift tool changing. And because encoder and sprocket shaft fixed connection, sprocket shaft and entry shaft pass through the chain transmission, can the accurate angle signal of reading the last cambered surface cam of entry shaft, for the induction signal of proximity switch, encoder simple structure, cost are lower, and control is very nimble, can realize setting up the storage of more multiunit signals, make signal control more pluralism. Because of the synchronous relation between the encoder, the control circuit board and the input shaft, the time point for sending a control signal to the machine tool can be flexibly set according to the action time of the relevant tool changing facility of the machine tool, and the corresponding tool loosening and locking signals can be sent to the machine tool in advance generally at the tool arm tool buckling point and the tool exchanging rear tool inserting point, so that the reaction waiting time of the machine tool and the tool loosening and locking facility when the tool arm reaches the tool buckling point and the tool inserting point is reduced or eliminated, and the whole tool changing process which is controlled more quickly and more accurately is realized.
The gear shaft 1, the input shaft 2, the output turret 3, the lifting output shaft 4, the sprocket shaft 5, the shift lever 6, the arc cam 8, the fluted disc cam 9 and the driving sprocket 10 involved in the structure are more specifically positioned and connected as follows:
the cambered surface cam and the fluted disc cam are fixedly connected together through bolts, a driving chain wheel is arranged above the fluted disc cam, the centers of the cambered surface cam, the fluted disc cam and the driving chain wheel are penetrated and assembled on the force input shaft, the two ends of the force input shaft are provided with assembling conical bearings, the driving chain wheel is connected with a driven chain wheel through a chain, the chain is adjusted in tightness through a chain wheel frame joint, the chain wheel frame is assembled on a chain adjusting hole of the box body, and an adjusting chain wheel is arranged on the chain wheel frame through a clamping spring. A gear shaft is correspondingly arranged below the side of the fluted disc cam, a conical bearing is arranged on the gear shaft, and a loosening-stopping gasket and a locking nut which press and fix the conical bearing are arranged at the upper end of the gear shaft. The force-applying turret is arranged on one side of the cambered surface cam, two groups of conical bearings are arranged on the force-applying turret, the upper ends of the two groups of conical bearings are provided with a loosening-stopping gasket and a locking nut which press and fix the conical bearings, and the periphery of the lower part of the force-applying turret is uniformly and fixedly provided with a plurality of rollers. The lifting output shaft is arranged in the center of the output turret and extends out of the lower part in an extending way, the middle part of the lifting output shaft is fixedly provided with an annular guide groove through a loosening stop gasket and a locking nut, the lower part of the lifting output shaft is provided with a guide sleeve seat, a shifting rod is arranged above the fluted disc cam and the annular guide groove, the middle part of the shifting rod is provided with a second needle bearing, the right end of the shifting rod is provided with a first needle bearing, the left end of the shifting rod is movably provided with a shifting rod bearing seat through a bearing and a gland, the second needle bearing in the middle part of the shifting rod is in rolling fit; processing the output turret into a hollow square hole shaft; the upper part of the lifting output shaft is processed into a square shaft, oil guide grooves are processed on four sides of the square shaft, and the square shaft part of the lifting output shaft is in sliding fit with the square hole part of the output turret; the second needle bearing penetrates through the shifting rod and is locked from the back by using a nut.
Preferably, the device also comprises a box body 16, two ends of the input shaft are rotatably installed on the inner wall of the box body through bearings, so that the arc cam, the fluted disc cam and the driving sprocket are accommodated in the box body, the gear shaft is arranged in the box body and rotatably installed on the inner wall of the box body through bearings, the driving motor is installed on the outer side surface of the box body, the power input shaft of the driving motor penetrates into the box body and is fixedly connected with the gear shaft, the shifting lever is arranged in the box body, and one end of the shifting lever is rotatably installed on the inner wall of the box body through bearings; the output turret and the lifting output shaft are arranged in the box body, after the output turret and the lifting output shaft are assembled together, two ends of the output turret and the lifting output shaft are rotatably arranged on the box body through bearings, and one end of the lifting output shaft penetrates out of the box body.
Preferably, still include sprocket case 17, the sprocket shaft pass through the bearing rotation install in the sprocket incasement, the encoder install in on the lateral surface of sprocket case, just the axle of encoder passes keep away a hole on the sprocket case with the one end fixed connection of sprocket shaft, the sprocket case install in on the lateral surface of box, the sprocket case be formed with on the box and dodge the window of chain. Like this, the sprocket case sets up the lateral surface at the box, and the installation of the encoder of being convenient for realizes control.
Preferably, the chain wheel box further comprises a control box 18, wherein the control circuit board is arranged in the control box, and the control box is arranged on the outer side face of the box body and is positioned on one side of the chain wheel box. Therefore, the control circuit board is arranged in the control box, and the control circuit board can be protected.
The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.
Claims (4)
1. The utility model provides a cam-type autogiration lift tool changing mechanism which characterized in that: the transmission device comprises a gear shaft (1), an input shaft (2), an output turret (3), a lifting output shaft (4), a chain wheel shaft (5), a shifting rod (6), a control circuit board and an encoder (7), wherein an arc cam (8), a fluted disc cam (9) and a driving chain wheel (10) are sequentially and fixedly arranged on the input shaft, one end of the gear shaft is connected with a driving motor (11), a bevel gear (12) used for driving the fluted disc cam to rotate is arranged at the other end of the gear shaft, the output turret is perpendicular to the input shaft, and the arc cam drives a plurality of rollers (310) arranged on the periphery side of the output turret to transmit to the output turret through a cam curved surface (810); one end of the shifting lever is rotatably arranged, a first needle bearing (13) is mounted at the other end of the shifting lever, a second needle bearing (14) is mounted in the middle of the shifting lever, and a curved annular groove (910) for driving the second needle bearing is formed at the top of the fluted disc cam; the utility model discloses a rotary cutting tool, including output capstan head, lifting output shaft, chain wheel axle, encoder, annular guide slot (410) are formed at lifting output shaft middle part, lifting output shaft one end slide set up in the shaft hole of output capstan head, the lifting output shaft other end is used for installing the tool change arm, first bearing inserts and arranges in the annular guide slot, install driven sprocket (15) on the chain wheel axle, the axle of encoder with chain wheel axle fixed connection, driven sprocket with be connected through chain drive between the drive sprocket, the encoder electricity is connected to the control scheme board.
2. The cam-type automatic rotary elevation tool changing mechanism of claim 1, wherein: the gear shaft is arranged in the box body and is rotationally arranged on the inner wall of the box body through a bearing, the driving motor is arranged on the outer side surface of the box body, a power input shaft of the driving motor penetrates into the box body and is fixedly connected with the gear shaft, the deflector rod is arranged in the box body, and one end of the deflector rod is rotationally arranged on the inner wall of the box body through a bearing; the output turret and the lifting output shaft are arranged in the box body, after the output turret and the lifting output shaft are assembled together, two ends of the output turret and the lifting output shaft are rotatably arranged on the box body through bearings, and one end of the lifting output shaft penetrates out of the box body.
3. The cam-type automatic rotary elevation tool changing mechanism of claim 2, wherein: still include sprocket case (17), the sprocket shaft pass through the bearing rotate install in the sprocket incasement, the encoder install in on the lateral surface of sprocket case, just the axle of encoder passes keep away a hole on the sprocket case with the one end fixed connection of sprocket shaft, the sprocket case install in on the lateral surface of box, the sprocket case be formed with on the box and dodge the window of chain.
4. The cam-type automatic rotary elevation tool changing mechanism of claim 3, wherein: still include control box (18), the control scheme board set up in the control box, the control box install in on the lateral surface of box, and be located one side of sprocket case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433509.6U CN211361519U (en) | 2019-12-30 | 2019-12-30 | Cam type automatic rotating and lifting tool changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433509.6U CN211361519U (en) | 2019-12-30 | 2019-12-30 | Cam type automatic rotating and lifting tool changing mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211361519U true CN211361519U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922433509.6U Active CN211361519U (en) | 2019-12-30 | 2019-12-30 | Cam type automatic rotating and lifting tool changing mechanism |
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| CN (1) | CN211361519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021044A (en) * | 2020-12-31 | 2021-06-25 | 江苏德杰机械设备有限公司 | Angle adjusting device of tool magazine tool changing mechanism |
| CN115070482A (en) * | 2022-07-23 | 2022-09-20 | 超同步股份有限公司 | Servo tool magazine control method and system and electronic equipment |
-
2019
- 2019-12-30 CN CN201922433509.6U patent/CN211361519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021044A (en) * | 2020-12-31 | 2021-06-25 | 江苏德杰机械设备有限公司 | Angle adjusting device of tool magazine tool changing mechanism |
| CN115070482A (en) * | 2022-07-23 | 2022-09-20 | 超同步股份有限公司 | Servo tool magazine control method and system and electronic equipment |
| CN115070482B (en) * | 2022-07-23 | 2023-09-05 | 超同步股份有限公司 | Servo tool magazine control method and system and electronic equipment |
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Address after: 215313 No. 1000, Huayang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Gutian Automation Co.,Ltd. Address before: 215300 room 7, 323 Qingyang North Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: SUZHOU FURUTA AUTOMATION TECHNOLOGY Co.,Ltd. |