CN114935500A - Rotary clamping device - Google Patents

Abstract

The invention relates to a rotary clamping device, which comprises a bottom plate, a clamping module and a rotary module, wherein the clamping module comprises a clamping mechanism and an air cylinder tensioning mechanism, the clamping mechanism comprises a mounting seat, a clamping part and a driving part, one end of the driving part is connected with a vertical sliding block, the other end of the driving part is connected with the air cylinder tensioning mechanism, and a sensing device for sensing the rotating angle of the clamping mechanism is arranged on the clamping module; the invention has the advantages that: the clamping of contact pin or jack is realized through the clamping module, then drive transmission assembly through the rotation module and rotate and drive the clamping module and rotate to realized the wireless rotation of clamping module, only 90 or 180 than traditional rotatory die clamping cylinder, can be wireless rotatory, and through the real-time rotation angle of response fixture of induction system, can realize the adjustment of arbitrary angle, satisfy different rotatory demands.

Description

Rotary clamping device

Technical Field

The present invention relates to a rotary clamping device.

Background

The connector is the electromechanical component who connects electric circuit, and current connector includes jack and contact pin for the location joint of electronic circuit, and current jack and contact pin all need carry out the dynamometry test when using, consequently need clamping device to carry out the centre gripping, and current clamping means all adopts the axial clamping mode, and clamping assembly intelligence rotation 90 or 180 moreover can not carry out two-way dynamometry to jack and contact pin, influences the measuring result of jack and contact pin easily.

Disclosure of Invention

The invention aims to provide a rotary clamping device which can effectively control the rotation of any angle.

In order to solve the technical problems, the invention is realized by the following technical scheme: a rotary clamping device comprises a bottom plate, a clamping module and a rotary module, wherein the clamping module and the rotary module are fixedly connected to the bottom plate, the clamping module comprises a clamping mechanism and a cylinder tensioning mechanism, the clamping mechanism comprises a mounting seat, a clamping part arranged in the mounting seat and a driving part for driving the clamping part to open and close, the clamping part comprises a vertical sliding block, a left sliding block, a right sliding block, a left clamping jaw and a right clamping jaw, the left clamping jaw is arranged on the left sliding block, the right clamping jaw is arranged on the right sliding block, the vertical sliding block is arranged between the left sliding block and the right sliding block, the vertical sliding block is provided with a first bevel edge, the left sliding block and the right sliding block are respectively provided with a second bevel edge matched with the first bevel edge, one end of the driving part is connected with the vertical sliding block, and the other end of the driving part is connected with the cylinder tensioning mechanism, when the cylinder tensioning mechanism extends, the driving part pushes forwards to drive the vertical sliding block to move downwards and enable the left sliding block and the right sliding block to open, a reset assembly is arranged between the vertical sliding block and the mounting seat, when the cylinder tensioning mechanism returns, the vertical sliding block moves upwards through the acting force of the reset assembly and enables the left sliding block and the right sliding block to close, a transmission assembly is arranged between the mounting seat and the rotating module, and a sensing device for sensing the rotation angle of the clamping mechanism is arranged on the clamping module.

Preferably, the reset assembly comprises a pull rod and a spring, the top end of the pull rod is provided with a flanging extending outwards, the flanging and the pull rod are of an integrated structure, the bottom end of the pull rod penetrates through the mounting seat and then is fixedly connected to the vertical sliding block, the spring is arranged on the pull rod, the bottom end of the spring is abutted to the mounting seat, and the top end of the spring is abutted to the flanging.

Preferably, be equipped with vertical slide rail in the mount pad, vertical sliding block sets up on vertical slide rail.

Preferably, the driving part comprises a push rod and a pushing block, a mutually butted wedge-shaped structure is arranged between the pushing block and the push rod, and the pushing block is connected with the vertical sliding block.

Preferably, the sensing mechanism comprises a detection block and a zero position sensor, the zero position sensor is arranged on the cylinder tensioning mechanism, and the detection block is arranged on the push rod.

Preferably, the cylinder tensioning mechanism comprises a cylinder, a mounting plate and a horizontal sliding block, the mounting plate is arranged on the bottom plate, a horizontal sliding rail is arranged on the mounting plate, the sliding block is arranged on the horizontal sliding rail, the cylinder is connected with the horizontal sliding block, a bearing base is arranged on the mounting plate, a first bearing is arranged on the bearing base, a mounting block for fixing the cylinder is arranged on the bottom plate, and a mounting support for fixing the zero-position sensor is arranged on the bearing base.

Preferably, a cam bearing is arranged on the horizontal sliding block, a groove matched with the cam bearing is formed in the push rod, a buffer is arranged on the mounting plate, and a connecting block matched with the buffer is arranged on the horizontal sliding block.

Preferably, the rotating module comprises a second substrate, a servo motor and a rotating shaft, the second substrate is fixedly connected to the bottom plate, a motor mounting seat for fixing the servo motor is arranged on the second substrate, a coupler connected with the rotating shaft is arranged on the servo motor, a bearing seat is arranged on the second substrate, one end of the rotating shaft is mounted on the bearing seat through a second bearing, the other end of the rotating shaft is mounted on the motor mounting seat through a third bearing, and the transmission assembly is arranged between the rotating shaft and the mounting seat.

Preferably, the transmission assembly comprises a driving pulley, a driven pulley and a belt, the driving pulley is arranged on the rotating shaft, the driven pulley is arranged on the mounting seat, and the belt is arranged on the driving pulley and the driven pulley.

In conclusion, the invention has the advantages that: the clamping of the inserting pins or the inserting holes is realized through the clamping module, then the rotating module drives the transmission assembly to rotate so as to drive the clamping module to rotate, so that the wireless rotation of the clamping module is realized, the clamping module has only 90 degrees or 180 degrees compared with the traditional rotary clamping cylinder and can wirelessly rotate, the rotation angle of the clamping mechanism is sensed in real time through the sensing device, the adjustment of any angle can be realized, different rotation requirements are met, secondly, the clamping part is set into a vertical sliding block, a left sliding block, a right sliding block, a left clamping jaw and a right clamping jaw, the vertical sliding block is driven to move downwards through the driving part, the left sliding block and the right sliding block are opened, and as the left clamping jaw and the right clamping jaw are respectively arranged on the left sliding block and the right sliding block, the opening of the clamping part can be realized, the clamping of the inserting holes or the inserting pins is realized, the inserting holes or the inserting pins are longitudinally clamped, compared with the traditional mode that only axial clamping is realized, the clamping device can be provided with multiple clamping modes, is suitable for bidirectional force measurement of the jacks or the contact pins, and when the acting force of the driving part on the vertical sliding block disappears, due to the arrangement of the reset assembly, the reset assembly can realize the upward movement of the vertical sliding block, so that the left sliding block and the right sliding block are driven to be folded, the jacks or the contact pins are fixed in the left clamping jaw and the right clamping jaw, the fixing quality in the rotating process is ensured, secondly, the first bevel edge and the second bevel edge can ensure the symmetry of the left sliding block and the right sliding block when the left sliding block and the right sliding block are unfolded and folded, the clamping quality is improved, and finally, the structures of the left clamping jaw and the right clamping jaw can be replaced, so that round parts with different specifications are realized, and the expansibility is improved.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a rotary clamping apparatus according to the present invention;

FIG. 2 is a schematic structural view of a clamping module according to the present invention;

FIG. 3 is a schematic structural view of a clamping mechanism according to the present invention;

FIG. 4 is a schematic view of the clamping mechanism of the present invention with the mounting base removed;

FIG. 5 is a schematic view of the structure of the cylinder tightening mechanism of the present invention;

fig. 6 is a schematic structural view of a rotating module according to the present invention.

Reference numerals are as follows:

the device comprises a base plate 1, a clamping module 2, a rotating module 3, a second base plate 31, a servo motor 32, a rotating shaft 33, a motor mounting seat 34, a shaft coupler 35, a bearing seat 36, a second bearing 37, a clamping mechanism 4, a mounting seat 41, a vertical sliding rail 411, a clamping part 42, a vertical sliding block 421, a left sliding block 422, a right sliding block 423, a left clamping jaw 424, a right clamping jaw 425, a driving part 43, a push rod 431, a push block 432, a groove 433, a reset component 44, a pull rod 441, a spring 442, a flanging 443, a tensioning mechanism 5 air cylinders, a 51 air cylinder, a mounting plate 52, a horizontal sliding block 53, a cam bearing, a 532 connecting block, a horizontal sliding rail 54, a bearing base 55, a first bearing 56, a mounting block 57, a mounting bracket 58, a buffer 59, a transmission component 6, a driving pulley 61, a driven pulley 62, a belt 63, a sensing device 7, a detection block 71 and a zero position sensor 72.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5 and 6, a rotary clamping device includes a bottom plate 1, a clamping module 2 and a rotary module 3, wherein both the clamping module 2 and the rotary module 3 are fixedly connected to the bottom plate 1, the clamping module 2 includes a clamping mechanism 4 and a cylinder tensioning mechanism 5, the clamping mechanism 4 includes a mounting seat 41, a clamping portion 42 disposed in the mounting seat 41, and a driving portion 43 for driving the clamping portion 42 to open and close, the clamping portion 42 includes a vertical sliding block 421, a left sliding block 422, a right sliding block 423, a left clamping jaw 424 and a right clamping jaw 425, the left clamping jaw 424 is disposed on the left sliding block 422, the right clamping jaw 425 is disposed on the right sliding block 423, the vertical sliding block 421 is disposed between the left sliding block 422 and the right sliding block 423, the vertical sliding block 421 is provided with a first oblique edge, the left sliding block 422 and the right sliding block 423 are provided with a second oblique edge matched with the first oblique edge, one end of the driving part 43 is connected with the vertical sliding block 421, the other end of the driving part 43 is connected with the cylinder tensioning mechanism 5, when the cylinder tensioning mechanism 5 extends, the driving part 43 pushes forwards to drive the vertical sliding block 421 to move downwards, and the left sliding block 422 and the right sliding block 423 are opened, a reset component 44 is arranged between the vertical sliding block 421 and the mounting seat 41, when the cylinder tensioning mechanism 5 retracts, the vertical sliding block 421 moves upwards through the acting force of the reset component 44, and the left sliding block 422 and the right sliding block 423 are closed, a transmission component 6 is arranged between the mounting seat 41 and the rotating module 3, and a sensing device 7 for sensing the rotating angle of the clamping mechanism 4 is arranged on the clamping module 2.

The clamping of the contact pin or the jack is realized through the clamping module 2, then the rotating module 3 drives the transmission assembly 6 to rotate so as to drive the clamping module to rotate, thereby realizing the wireless rotation of the clamping module, which only has 90 degrees or 180 degrees compared with the traditional rotary clamping cylinder 51 and can wirelessly rotate, and the rotation angle of the clamping mechanism 4 is sensed in real time through the sensing device 7, thereby realizing the adjustment of any angle and meeting different rotation requirements, secondly, the clamping part 42 is set to be a vertical sliding block 421, a left sliding block 422, a right sliding block 423, a left clamping jaw 424 and a right clamping jaw 425, the vertical sliding block 421 is driven to move downwards through the driving part 43, the left sliding block 422 and the right sliding block 423 are opened, because the left clamping jaw 424 and the right clamping jaw 425 are respectively arranged on the left sliding block 422 and the right sliding block 423, the opening of the clamping part 42 can be realized, the clamping of the jack or the contact pin can be realized, the longitudinal clamping of the contact pin or the contact pin is adopted, compared with the traditional method which only can be used for axial clamping, multiple clamping modes can be adopted, the force measuring device is suitable for bidirectional force measurement of the jack or the inserting needle, when the acting force of the driving part 43 acting on the vertical sliding block 421 disappears, due to the arrangement of the reset assembly 44, the reset assembly 44 can realize the upward movement of the vertical sliding block 421, the left sliding block 422 and the right sliding block 423 are driven to be folded, the jack or the inserting needle is fixed in the left clamping jaw 424 and the right clamping jaw 425, the fixing quality in the rotating process is ensured, secondly, the symmetry of the left sliding block 422 and the right sliding block 423 in the unfolding and folding process can be ensured by the first bevel edge and the second bevel edge, the clamping quality is improved, and finally, the structures of the left clamping jaw 424 and the right clamping jaw 425 can be replaced, circular parts of different specifications can be realized, and the expansibility is improved.

The reset assembly 44 comprises a pull rod 441 and a spring 442, the top end of the pull rod 441 is provided with an outward extending flange 443, the flange 443 and the pull rod 441 are of an integral structure, the bottom end of the pull rod 441 penetrates through the mounting seat 41 and then is fixedly connected to the vertical sliding block 421, the spring 442 is arranged on the pull rod 441, the bottom end of the spring 442 abuts against the mounting seat 41, the top end of the spring 442 abuts against the flange 443, the reset assembly 44 is arranged into the pull rod 441 and the spring 442, when the vertical sliding block 421 moves downwards, the pull rod 441 moves synchronously so as to compress the spring 442, thereby realizing the power storage of the spring 442, when the push rod 431 is not subjected to the acting force of the cylinder tensioning mechanism 5, the pull rod 441 moves upwards due to the action of the spring 442, thereby driving the vertical sliding block 421 to move upwards, thereby realizing the reset and furling of the left sliding block 422 and the sliding block, and the arrangement of the flange 443, and increasing the contact area with the spring 442, the vertical sliding rail 411 is arranged in the mounting seat 41, the vertical sliding block 421 is arranged on the vertical sliding rail 411, the straightness of the vertical sliding block 421 during up-and-down sliding can be guaranteed, the vertical sliding rail 411 can be arranged on the cover plate, the driving part 43 comprises a push rod 431 and a pushing block 432, a mutually butted wedge-shaped structure is arranged between the pushing block 432 and the push rod 431, the pushing block 432 is connected with the vertical sliding block 421, the driving part 43 is arranged into the push rod 431 and the pushing block 432, and the pushing block 432 and the push rod 431 are mutually butted wedge-shaped structures, so that when the push rod 431 moves forwards under the action of the cylinder tensioning mechanism 5, the pushing block 432 can move downwards, the vertical sliding block 421 is synchronously driven to move downwards, the structure is simple, and the mounting and dismounting are convenient.

The induction mechanism comprises a detection block 71 and a zero position sensor 72, the zero position sensor 72 is arranged on the cylinder tensioning mechanism 5, the detection block 71 is arranged on the push rod 431, the detection block 71 can rotate along with the push rod 431, when the detection block 71 does not rotate for one circle, the zero position sensor 72 can sense the rotation angle, so that the adjustment of the rotation angle is realized, and the accuracy of the rotation precision is ensured, the cylinder tensioning mechanism 5 comprises a cylinder 51, a mounting plate 52 and a horizontal sliding block 53, the mounting plate 52 is arranged on the bottom plate 1, the mounting plate 52 is provided with a horizontal sliding rail 54, the horizontal sliding block 53 is arranged on the horizontal sliding rail 54, the cylinder 51 is connected with the horizontal sliding block 53, the mounting plate 52 is provided with a bearing base 55, the bearing base 55 is provided with a first bearing 56, the mounting block 57 for fixing the cylinder 51 is arranged on the bottom plate 1, the bearing base 55 is provided with the mounting bracket 58 for fixing the zero position sensor 72, the horizontal sliding block 53 is pushed by the air cylinder 51 to move on the horizontal sliding rail 54, so that the horizontal sliding block 53 pushes the push rod 431 to move forwards, the movement stability of the push rod 431 is ensured, the rotation of the mounting base 41 can be realized by the arrangement of the bearing base 55, the horizontal sliding block 53 is provided with the cam bearing 531, the push rod 431 is provided with the groove 433 matched with the cam bearing 531, the mounting plate 52 is provided with the buffer 59, the horizontal sliding block 53 is provided with the connecting block 532 matched with the buffer 59, the cam bearing 531 is matched with the groove 433, and as the push rod 431 can synchronously rotate in the rotation process of the mounting base 41, the stability in the rotation process of the push rod 431 is realized by the matching of the cam bearing 531 and the groove 433, the shaking of the push rod 431 is reduced, and the clamping quality of the clamping part 42 is improved, secondly, the buffer 59 is arranged to slow down the acting force when the slide block moves.

The rotating module 3 comprises a second substrate 31, a servo motor 32 and a rotating shaft 33, the second substrate 31 is fixedly connected to the bottom plate 1, a motor mounting seat 34 for fixing the servo motor 32 is arranged on the second substrate 31, a coupler 35 connected with the rotating shaft 33 is arranged on the servo motor 32, a bearing seat 36 is arranged on the second substrate 31, one end of the rotating shaft 33 is mounted on the bearing seat 36 through a second bearing 37, the other end of the rotating shaft 33 is mounted on the motor mounting seat 34 through a third bearing, the transmission assembly 6 is arranged between the rotating shaft 33 and the mounting seat 41, the rotating module 3 is arranged into the second substrate 31, the servo motor 32 and the rotating shaft 33, the rotating shaft 33 is driven to rotate through the servo motor 32, the rotating speed of the rotating shaft 33 can be well controlled, and the second substrate 31 realizes that the servo motor 32 is stably fixed on the bottom plate 1, the transmission assembly 6 comprises a driving pulley 61, a driven pulley 62 and a belt 63, wherein the driving pulley 61 is arranged on the rotating shaft 33, the driven pulley 62 is arranged on the mounting seat 41, the belt 63 is arranged on the driving pulley 61 and the driven pulley 62, the transmission assembly 6 is arranged into the driving pulley 61, the driven pulley 62 and the belt 63, when the transmission assembly is used, the rotating shaft 33 rotates the charged driving pulley 61 to rotate the driven pulley 62 together through the belt 63, the charged mounting seat 41 of the driven pulley 62 rotates together, the whole transmission is stable, and the whole installation is convenient.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims (9)

1. A rotary clamping apparatus characterized by: the clamping mechanism comprises a mounting seat, a clamping part arranged in the mounting seat and a driving part for driving the clamping part to open and fold, the clamping part comprises a vertical sliding block, a left sliding block, a right sliding block, a left clamping jaw and a right clamping jaw, the left clamping jaw is arranged on the left sliding block, the right clamping jaw is arranged on the right sliding block, the vertical sliding block is arranged between the left sliding block and the right sliding block, the vertical sliding block is provided with a first bevel edge, the left sliding block and the right sliding block are respectively provided with a second bevel edge matched with the first bevel edge, one end of the driving part is connected with the vertical sliding block, the other end of the driving part is connected with the cylinder tensioning mechanism, when the cylinder tensioning mechanism is extended, the driving part pushes forwards to drive the vertical sliding block to move downwards, the left sliding block and the right sliding block are opened, the reset assembly is arranged between the vertical sliding block and the mounting seat, when the cylinder tensioning mechanism returns, the vertical sliding block moves upwards through the acting force of the reset assembly, the left sliding block and the right sliding block are folded, the transmission assembly is arranged between the mounting seat and the rotating module, and the clamping module is provided with a sensing device for sensing the rotating angle of the clamping mechanism.

2. A rotary clamping arrangement according to claim 1 wherein: reset assembly includes pull rod and spring, the top of pull rod is equipped with the turn-ups of outside extension, and turn-ups and pull rod formula structure as an organic whole, fixed connection is on vertical sliding block behind the mount pad is passed to the bottom of pull rod, the spring sets up on the pull rod, and the bottom of spring offsets with the mount pad, and the top and the turn-ups of spring offset.

3. A rotary clamping arrangement according to claim 2 wherein: be equipped with vertical slide rail in the mount pad, vertical sliding block sets up on vertical slide rail.

4. A rotary clamping arrangement according to claim 1 wherein: the driving part comprises a push rod and a pushing block, a mutually butted wedge-shaped structure is arranged between the pushing block and the push rod, and the pushing block is connected with a vertical sliding block.

5. A rotary clamping apparatus according to claim 4, wherein: the induction mechanism comprises a detection block and a zero position sensor, the zero position sensor is arranged on the cylinder tensioning mechanism, and the detection block is arranged on the push rod.

6. A rotary clamping apparatus according to claim 5, wherein: the cylinder tensioning mechanism comprises a cylinder, a mounting plate and a horizontal sliding block, the mounting plate is arranged on the bottom plate, a horizontal sliding rail is arranged on the mounting plate, the sliding block is arranged on the horizontal sliding rail, the cylinder is connected with the horizontal sliding block, a bearing base is arranged on the mounting plate, a first bearing is arranged on the bearing base, a mounting block for fixing the cylinder is arranged on the bottom plate, and a mounting support for fixing the zero-position sensor is arranged on the bearing base.

7. A rotary clamping apparatus according to claim 6, wherein: the horizontal sliding block is provided with a cam bearing, the push rod is provided with a groove matched with the cam bearing, the mounting plate is provided with a buffer, and the horizontal sliding block is provided with a connecting block matched with the buffer.

8. A rotary clamping arrangement according to claim 1 wherein: the rotary module comprises a second substrate, a servo motor and a rotating shaft, the second substrate is fixedly connected to the bottom plate, a motor mounting seat for fixing the servo motor is arranged on the second substrate, a coupler connected with the rotating shaft is arranged on the servo motor, a bearing seat is arranged on the second substrate, second bearings matched with the rotating shaft are arranged on the bearing seat and the motor mounting seat, and the transmission assembly is arranged between the rotating shaft and the mounting seat.

9. A rotary clamping arrangement according to claim 8 wherein: the transmission assembly comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel is arranged on the rotating shaft, the driven belt wheel is arranged on the mounting seat, and the belt is arranged on the driving belt wheel and the driven belt wheel.

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