Columnar material clamping and rotating mechanism

Abstract

The utility model discloses a columnar material clamping and rotating mechanism which comprises a bottom plate, a front clamping mechanism and a rotating support are installed on the bottom plate, a rear clamping mechanism is rotatably installed on the top of the rotating support, a V-shaped support is installed between the rotating support and the front clamping mechanism, a translation air cylinder is installed on the bottom plate on one side of the front clamping mechanism, and a clamping mechanism is installed on the bottom plate on the other side of the front clamping mechanism. A piston rod of the translation air cylinder is connected with the front clamping mechanism, the front clamping mechanism and the rear clamping mechanism have the synergistic effect, columnar materials can be rapidly and accurately clamped, automatic feeding, clamping, rotating and discharging of the columnar materials are achieved through control over automatic elements such as servo motors arranged on the translation air cylinder and the front clamping mechanism, and the automatic clamping device is high in automation degree and high in practicability. Therefore, the manual operation is greatly reduced, the production efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a columnar material clamping and rotating mechanism. Background Art

[0002] Columnar metal materials are widely used in the production of various shafts, pins and other parts. When turning or cutting the columnar metal materials, they usually need to be clamped and rotated. Currently, when processing the columnar metal materials, a chuck is usually used to clamp and fix the ends thereof.

[0003] The chuck-type clamping mechanism requires workers to manually adjust the position and clamping force of the jaws. The operation process is not only cumbersome and time-consuming, but also increases the labor intensity of workers. Moreover, since manual operation is required, it is not conducive to the automation transformation of the production line, which further affects the further improvement of production efficiency. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies, propose a columnar material clamping and rotating mechanism, and solve the technical problems raised in the background technology.

[0005] In order to achieve the above-mentioned technical objectives, the technical solution of the utility model provides a columnar material clamping and rotating mechanism, including a base plate, on which a front clamping mechanism and a V-shaped support are arranged, the front clamping mechanism includes a rotating support plate, on which a servo motor, a transmission shaft and a tightening mechanism are arranged, one end of the transmission shaft is connected to the output shaft of the servo motor, and the other end is provided with a tightening sleeve, a plurality of clamping jaws and corresponding spring leaves, the front part of the clamping jaw is rotatably connected to the transmission shaft, one end of the spring leaf is fixedly connected to the transmission shaft, and the other end covers the front part of the clamping jaw, the tightening sleeve is sleeved on the transmission shaft, and the tightening mechanism drives the tightening sleeve to slide along the transmission shaft.

[0006] Furthermore, the convergence mechanism includes a convergence bracket, a convergence cylinder and a tube pushing fork, the convergence bracket is fixedly arranged on a rotating support plate, the cylinder body of the convergence cylinder is hinged to the top of the convergence bracket, the lower end of the push tube fork is hinged to the rotating support plate, and the upper end is hinged to the piston rod of the convergence cylinder, a section of the transmission shaft arranged in the push tube fork is provided with a sliding telescopic sleeve, the telescopic sleeve is provided with an annular groove, the push tube fork is provided with a symmetrical sliding column, one end of the sliding column is fixedly connected to the push tube fork, and the other end is arranged in the annular groove, and the convergence sleeve is connected to the telescopic sleeve.

[0007] Furthermore, the front clamping mechanism also includes a translation support, a sliding rod is provided on the translation support, a sliding block is provided on the sliding rod, the rotating support plate is provided on the sliding block, a translation cylinder is provided on the bottom plate, and a piston rod of the translation cylinder is connected to the sliding block.

[0008] Furthermore, the bottom plate is provided with a rear clamping mechanism and a rotating support, the V-shaped support is provided between the front clamping mechanism and the rear clamping mechanism, and the rear clamping mechanism is rotatably connected to the rotating support.

[0009] Furthermore, the rear clamping mechanism is provided with a clamping bracket, a slide rail is provided on the clamping bracket, and claws that are mirror images of each other are slidably provided on the slide rail, a guide rod is provided under the slide rail, a lifting block and a spring are provided on the guide rod, one end of the spring is connected to the lifting block, and the other end is connected to the guide rod, a top plate is provided between the two claws, the top plate is connected to the lifting block, an L-shaped connecting plate is provided between the claws and the lifting block, the middle part of the L-shaped connecting plate is rotatably connected to the slide rail, and both ends of the L-shaped connecting plate are provided with slide grooves, and connecting columns are provided on the claws and the lifting block, and the connecting columns are slidably arranged in the slide grooves.

[0010] Furthermore, a rotation angle detection device is provided on the rotating support plate, and the rotation angle detection device is electrically connected to an external control device. Both ends of a detection shaft of the rotation angle detection device are respectively connected to an output shaft and a transmission shaft of a servo motor.

[0011] Compared with the prior art, the beneficial effects of the utility model include:

[0012] 1. The utility model can realize fast and accurate clamping of columnar materials through the synergistic effect of the front clamping mechanism and the rear clamping mechanism. Through the control of automatic components such as translation cylinders and servo motors, the automatic loading, clamping, rotation and unloading of columnar materials are realized, thereby greatly reducing manual operations, improving production efficiency and reducing labor intensity.

[0013] 2. The front clamping mechanism of the utility model realizes efficient clamping and release of columnar materials by using the cooperation of the telescopic sleeve and the contraction sleeve, and the interaction between the clamping claw and the spring leaf. The rear clamping mechanism realizes stable clamping and rapid release of columnar materials by the mutual approach and distance of the clamping claws, and the compression and reset of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric schematic diagram of a columnar material clamping and rotating mechanism provided by the utility model;

[0015] Figure 2 It is an axonometric schematic diagram of a front clamping mechanism of a columnar material clamping and rotating mechanism provided by the utility model;

[0016] Figure 3 It is an axonometric schematic diagram of a rear clamping mechanism of a columnar material clamping and rotating mechanism provided by the utility model;

[0017] Figure 4 It is a left view schematic diagram of a rear clamping mechanism of a columnar material clamping and rotating mechanism provided by the utility model; DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] Reference Figure 1 :

[0020] The utility model provides a columnar material clamping and rotating mechanism, comprising a base plate 1, a front clamping mechanism 2 and a rotating support 5 are installed on the base plate 1, a rear clamping mechanism 3 is rotatably installed on the top of the rotating support 5, a V-shaped support 4 is installed between the rotating support 5 and the front clamping mechanism 2, a translation cylinder 6 is installed on the base plate 1 on one side of the front clamping mechanism 2, and the piston rod of the translation cylinder 6 is connected to the front clamping mechanism 2.

[0021] During operation, the loading device places the columnar material in the V-shaped groove of the V-shaped support 4, the translation cylinder 6 pushes the front clamping mechanism 2 toward the columnar material to clamp one end thereof, and pushes the columnar material into the rear clamping mechanism 3 to clamp the other end thereof.

[0022] Reference Figure 2 The front clamping mechanism 2 includes a translation support 214, a slide bar 215 is provided on the translation support 214, a slider 216 is installed on the slider 215, the piston rod of the translation cylinder 6 is connected to the slider 216, a rotating support plate 201 is installed on the slider 216, a servo motor 202, a rotation angle detection device 213, a convergence bracket 204 and a tube push fork 206 are provided on the rotating support plate 201, the servo motor 202 and the tube push fork 206 are respectively installed at both ends of the rotating support plate 201, the rotation angle detection device 213 is electrically connected to an external control device, one end of the detection shaft of the rotation angle detection device 213 is connected to the output shaft of the servo motor 202, and the other end is installed with a transmission shaft 203, and the other end of the transmission shaft 203 is installed with a telescopic sleeve 207 and a convergence sleeve 209;

[0023] A focusing cylinder 205 is installed on the top of the focusing bracket 204. The cylinder body of the focusing cylinder 205 is hinged to the focusing bracket 204. The lower end of the tube pusher 206 is hinged to the rotating support plate 201, and the upper end is hinged to the piston rod of the focusing cylinder 205. The telescopic sleeve 207 is arranged in the tube pusher 206. The telescopic sleeve 207 is provided with an annular groove 208. The tube pusher 206 is provided with a symmetrical sliding column 212. One end of the sliding column 212 is fixedly connected to the tube pusher 206, and the other end is arranged in the annular groove 208. The telescopic sleeve 207 is coaxially connected with the focusing sleeve 209. When the piston rod of the focusing cylinder 205 extends, the telescopic sleeve 207 is pushed to move toward the end of the transmission shaft 203.

[0024] A plurality of clamping jaws 210 and corresponding springs 211 are installed at the end of the transmission shaft 203. The front of the clamping jaws 210 is rotatably connected to the transmission shaft 203. One end of the springs 211 is fixedly connected to the transmission shaft 203, and the other end covers the front of the clamping jaws 210.

[0025] During operation, when the closing sleeve 209 moves toward the end of the transmission shaft 203 under the push of the telescopic sleeve 207, the closing sleeve 209 closes the rear part of the clamping jaw 210 toward the axis of the transmission shaft 203, thereby clamping the columnar material on the V-shaped support 4, and at the same time, the front part of the clamping jaw 210 flips toward the outside of the transmission shaft 203, thereby pushing the spring leaf 211 outward from the transmission shaft 203; when the closing sleeve 209 is reset under the drive of the closing cylinder 205, the rear part of the clamping jaw 210 moves away from the axis of the transmission shaft 203 under the action of the elastic force of the spring leaf 211, and the columnar material is released from the clamp.

[0026] Reference Figure 3 , Figure 4 :

[0027] The rear clamping mechanism 3 is provided with a clamping bracket 301, which is rotatably connected to the rotating support 5, a slide rail 302 is installed on the clamping bracket 301, and a mirror-image clamping claw 303 is slidably installed on the slide rail 302, and a guide rod 307 is fixedly installed below the slide rail 302, and a lifting block 304 and a spring 308 are installed on the guide rod 307. The lifting block 304 slides freely on the guide rod 307, and one end of the spring 308 is connected to the lifting block 304, and the other end is connected to the guide rod 307, a top plate 305 is arranged between the two claws 303, the top plate 305 is connected to the lifting block 304, an L-shaped connecting plate 306 is arranged between the claws 303 and the lifting block 304, the middle part of the L-shaped connecting plate 306 is rotatably connected to the slide rail 302, both ends of the L-shaped connecting plate 306 are provided with sliding grooves, the claws 303 and the lifting block 304 are provided with connecting columns, and the connecting columns are slidably arranged in the sliding grooves.

[0028] When the translation cylinder 6 pushes the front clamping mechanism 2 toward the columnar material to clamp one end of it and pushes the columnar material into the clamping mechanism 3, the columnar material abuts against the top plate 305 and pushes the lifting block 304 to move backward, thereby driving the two claws 303 to approach each other through the L-shaped connecting plate 306 to clamp the columnar material and compress the spring 308. After the two claws 303 open, the spring 308 resets and pushes the columnar material out of the clamping mechanism 3 through the top plate 305.

[0029] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A columnar material clamping and rotating mechanism, comprising a bottom plate, on which a front clamping mechanism and a V-shaped support are arranged, characterized in that: The front clamping mechanism includes a rotating support plate, on which a servo motor, a transmission shaft and a tightening mechanism are arranged. One end of the transmission shaft is connected to the output shaft of the servo motor, and the other end is provided with a tightening sleeve, a plurality of clamping jaws and corresponding spring leaves. The front part of the clamping jaw is rotatably connected to the transmission shaft, one end of the spring leaf is fixedly connected to the transmission shaft, and the other end covers the front part of the clamping jaw. The tightening sleeve is sleeved on the transmission shaft, and the tightening mechanism drives the tightening sleeve to slide along the transmission shaft.

2. A columnar material clamping and rotating mechanism according to claim 1, characterized in that: The convergence mechanism includes a convergence bracket, a convergence cylinder and a tube pushing fork. The convergence bracket is fixedly arranged on the rotating support plate. The cylinder body of the convergence cylinder is hinged to the top of the convergence bracket. The lower end of the tube pushing fork is hinged to the rotating support plate, and the upper end is hinged to the piston rod of the convergence cylinder. A section of the transmission shaft arranged in the tube pushing fork is provided with a sliding telescopic sleeve, and the telescopic sleeve is provided with an annular groove. A symmetrical sliding column is provided on the tube pushing fork, one end of the sliding column is fixedly connected to the tube pushing fork, and the other end is arranged in the annular groove. The convergence sleeve is connected to the telescopic sleeve.

3. A columnar material clamping and rotating mechanism according to claim 2, characterized in that: The front clamping mechanism also includes a translation support, a sliding rod is provided on the translation support, a sliding block is provided on the sliding rod, the rotating support plate is provided on the sliding block, a translation cylinder is provided on the bottom plate, and a piston rod of the translation cylinder is connected to the sliding block.

4. A columnar material clamping and rotating mechanism according to claim 2 or 3, characterized in that: The bottom plate is provided with a rear clamping mechanism and a rotating support, the V-shaped support is arranged between the front clamping mechanism and the rear clamping mechanism, and the rear clamping mechanism is rotatably connected to the rotating support.

5. A columnar material clamping and rotating mechanism according to claim 4, characterized in that: The rear clamping mechanism is provided with a clamping bracket, a sliding rail is provided on the clamping bracket, and claws that are mirror images of each other are slidably provided on the slide rail. A guide rod is provided under the slide rail, and a lifting block and a spring are provided on the guide rod. One end of the spring is connected to the lifting block, and the other end is connected to the guide rod. A top plate is provided between the two claws, and the top plate is connected to the lifting block. An L-shaped connecting plate is provided between the claws and the lifting block. The middle part of the L-shaped connecting plate is rotatably connected to the slide rail, and slide grooves are provided at both ends of the L-shaped connecting plate. Connecting columns are provided on the claws and the lifting block, and the connecting columns are slidably arranged in the slide grooves.

6. A columnar material clamping and rotating mechanism according to claim 5, characterized in that: The rotating support plate is provided with a rotation angle detection device, the rotation angle detection device is electrically connected to an external control device, and two ends of a detection shaft of the rotation angle detection device are respectively connected to the output shaft of the servo motor and the transmission shaft.

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