CN217344730U - Sanding fixture and sanding device thereof - Google Patents

Abstract

The utility model relates to the technical field of sanding equipment, in particular to a sanding fixture and a sanding device thereof, wherein the sanding fixture comprises a bracket, a rotary driving assembly arranged on the bracket, a clamping assembly connected with an output shaft of the rotary driving assembly and used for clamping a workpiece to be machined, and a protection assembly arranged at the position of the clamping assembly and used for preventing the workpiece to be machined from collapsing; the sanding device comprises a supporting seat, a mechanical arm fixedly connected with the supporting seat, a sanding component arranged at the tail end of the mechanical arm and the sanding fixture. The utility model discloses an anchor clamps and the cooperation of manipulator, relative use manual sanding, the utility model discloses the sanding process stability of scheme is strong, and the unified control sanding effect of being convenient for and improvement sanding efficiency.

Description

Sanding fixture and sanding device thereof

Technical Field

The application relates to the technical field of sanding equipment, in particular to a sanding fixture and a sanding device thereof.

Background

When the precision shaft products are processed, the surface of the precision shaft rough blank is usually subjected to sanding treatment to reduce the roughness of the appearance surface of the shaft rough blank, and then the subsequent surface treatment such as polishing and grinding is performed to enable the appearance surface of the precision shaft to reach a higher quality level, so that the product requirements are met. When the rough blank of precision shaft products is sanded, the shaft products need to be clamped and fixed by a clamp and then sanded manually, and the mode easily causes the phenomena of product edge collapse and the like caused by the fact that abrasive cloth touches the edges of the two ends of the shaft products, so that the yield of the products is low and the stability is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a sanding anchor clamps to solve and lead to the problem of the low poor stability of yield such as the easy edge collapsing of precision axle type product border through adopting artifical sanding.

The utility model also provides a sanding device, through the cooperation of manipulator with the sanding anchor clamps, improve sanding efficiency and sanding effect to accurate axle class product.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a sanding clamp comprises a support, a rotary driving assembly arranged on the support, a clamping assembly connected with an output shaft of the rotary driving assembly and used for clamping a workpiece to be machined, and a protecting assembly arranged at the position of the clamping assembly and used for preventing the workpiece to be machined from collapsing;

the clamping assembly comprises a jaw fixing plate and a jaw cylinder, the jaw fixing plate is coaxially and fixedly connected with an output shaft of the rotary driving assembly, the jaw cylinder is coaxially and fixedly connected with the jaw fixing plate, and a jaw used for clamping one end of a workpiece to be machined is connected to a moving finger of the jaw cylinder.

Furthermore, the jack catch include with the removal finger of jack catch cylinder can dismantle the jack catch fixing base of being connected and with the jack catch fixing base can dismantle the jack catch body that is used for the centre gripping of being connected treat the machined part.

Further, the protection assembly comprises a support plate arranged at the position of a clamping jaw, a first protection plate which is arranged on the end surface, far away from the clamping jaw fixing plate, of the support plate and used for performing anti-collapse edge protection on one end of the workpiece to be processed, and a second protection plate which is arranged on the end surface, far away from the clamping jaw, of the other end of the workpiece to be processed and used for performing anti-collapse edge protection on the other end of the workpiece to be processed; the backup pad pass through the support column with jack catch fixed plate fixed connection, set up in the backup pad and hold the jack catch through groove that the jack catch body removed, first protection board has the confession treat on the machined part be close to the profile modeling protection chamber wherein is arranged in to the one end of jack catch, the chamber wall in profile modeling protection chamber is hugged closely treat the outer wall of machined part, the backup pad first protection board and the equal coaxial setting of second protection board.

Through the arrangement, one end of a workpiece to be machined penetrates through the profiling protection cavity of the first protection plate and then the claw cylinder is operated to enable the claw to move along the radial direction of the claw cylinder to clamp the workpiece to be machined, the second protection plate is in threaded connection with the end face of the workpiece to be machined, which is far away from the support plate, so that the end face of the workpiece to be machined is covered, the end face is prevented from being in contact with abrasive cloth to generate scratches in the process of sanding the appearance face of the workpiece to be machined, the operation rotation driving assembly drives the claw fixing plate to rotate at a constant speed, the claw fixing plate drives the claw cylinder, the support plate, the workpiece to be machined, the first protection plate and the second protection plate to synchronously rotate, sanding operation on the appearance face of the workpiece to be machined is facilitated, sanding stability is improved, meanwhile, different first protection plates and different second protection plates can be replaced according to different diameters of the workpiece to be machined, so as to be suitable for sanding shaft products with different sizes, the edge of the workpiece to be processed is protected by the first protection plate and the second protection plate in the sanding process, so that the edge collapse phenomenon is prevented, and the product yield and the quality stability are improved.

Furthermore, when workpieces to be machined with different specifications are subjected to sanding treatment, the first protection plates with different profile cavities need to be frequently replaced to be matched with the workpieces to be machined, in order to prevent the first protection plates from colliding, rubbing and the like with the support plates when the first protection plates are replaced, annular grooves corresponding to the first protection plates are formed in the end faces, close to the first protection plates, of the support plates, protection plate gaskets matched with the annular grooves are arranged in the annular grooves, when the first protection plates are fixedly connected with the support plates, the protection plate gaskets prevent the first protection plates from contacting with the support plates, the protection plate gaskets are a plurality of sector plates matched with the annular grooves, and gaps for accommodating the movement of the clamping claws are reserved between adjacent sector plates.

Furthermore, the rotary driving assembly is a driving motor, an output shaft of the driving motor is horizontally arranged, and the support is detachably connected with a protection cover for protecting the driving motor.

Further, the support including the anchor clamps bottom plate that the level set up, vertical set up in on the anchor clamps bottom plate with anchor clamps bottom plate fixed connection's motor fixed plate, with motor fixed plate parallel arrangement's motor backup pad and be used for strengthening the motor fixed plate with joint strength's reinforcing plate between the anchor clamps bottom plate, driving motor's bottom with motor fixed plate fixed connection, the motor backup pad is located the driving motor below is close to driving motor's output, the lower extreme of motor backup pad with anchor clamps bottom plate fixed connection, the upper end of motor backup pad with driving motor's outer wall contact.

The sanding device comprises a supporting seat, a mechanical arm fixedly connected with the supporting seat, a sanding component arranged at the tail end of the mechanical arm and any one of the clamps.

Furthermore, the sanding component comprises a motor mounting seat and a plurality of symmetrical sanding motors arranged on the motor mounting seat, sanding cloths with different granularities are arranged on different sanding motors, the sanding motors drive the sanding cloths to rotate and are used for sanding appearance surfaces of products to be machined, and the motor mounting seat is fixedly connected with the manipulator through a connecting rod.

Furthermore, sanding device still include support frame and fixed connection in the basin of support frame upper end, set up the drain valve on the bottom plate of basin, set up the anchor clamps support in the basin, the anchor clamps support include the vertical setting of polylith backup pad, level set firmly in the bridge plate of backup pad upper end and level set firmly in the basin connecting plate of backup pad lower extreme, the anchor clamps bottom plate with the connection can be dismantled to the bridge plate, the basin connecting plate with the connection can be dismantled to the bottom plate of basin, above-mentioned setting conveniently will anchor clamps with the basin is connected and is separated, makes simultaneously the anchor clamps are apart from the bottom of the basin certain distance, conveniently treat the machined part and carry out sanding operation.

Further, the support frame is the framework, and the bottom symmetry of support frame sets up a plurality of lower part fixed plates that prevent support frame horizontal migration and a plurality of shockproof foot cups that are used for supporting and adjust the support frame height, the lower part fixed plate is the L template, the vertical slot hole that sets up in the vertical portion of lower part fixed plate, the bottom outer wall setting of support frame with the screw hole that the slot hole corresponds, shockproof foot cup includes the antivrbration pad and locates the screw rod of the vertical setting of antivrbration pad top and antivrbration pad fixed connection, and the support frame bottom corresponds the fixed connection regulating plate with shockproof foot cup, vertical setting on the regulating plate and the threaded rod screw-thread fit's on the shockproof foot cup screw hole.

The utility model discloses following beneficial effect has at least:

1. this anchor clamps treat the first protection board and the second protection shield that the border of machined part carries out the protection through setting up the backup pad with jack catch cylinder synchronous revolution with the axle type in the backup pad, the operation of sanding is treated to the outward appearance face of machined part to the axle type conveniently, improve sanding stability, can treat the diameter of machined part to change different first protection board and second protection shield according to the axle type of difference simultaneously, in order to adapt to not unidimensional precision shaft class product sanding, protect the border department of precision shaft class product at sanding in-process first protection board and second protection shield and prevent to produce the edge collapse phenomenon, improve product yield and stability of quality.

2. The clamp can be suitable for clamping and protecting the shaft type workpieces to be machined in different shapes and specifications by replacing the supporting plates in different specifications and combining the first protection plates in different specifications.

3. This sanding device controls the emery cloth through the manipulator and rotates to treat the machined part to the axle type and sand for the processing volume of sanding process is balanced stable, improves the sanding effect.

4. This sanding device is through setting up a plurality of sanding motors of having installed different granularity emery cloth at the manipulator end, can control the manipulator to select the emery cloth of different granularities to treat the machined part to sand according to the surface quality who treats the machined part, provides sanding efficiency and sanding effect.

5. The utility model discloses a cooperation of anchor clamps and manipulator, the manual sanding of relative use, sanding process stability is strong, and the unified control sanding effect of being convenient for is with improve sanding efficiency.

Drawings

Fig. 1 is a perspective view of a sanding jig.

FIG. 2 is an exploded view of the clamping assembly of the sanding fixture.

Fig. 3 is a combination view of the jaw cylinder and the cylinder fixing plate.

Fig. 4 is a perspective view of the sanding device.

Fig. 5 is an enlarged view of the lower structure of the support frame.

FIG. 6 is a schematic view of the sanding fixture in cooperation with the fixture mount.

FIG. 7 is a schematic view of the sanding fixture connected to a water tank.

FIG. 8 is a schematic view of a sanding assembly.

Reference numerals in the drawings include:

the clamp comprises a support 10, a clamp bottom plate 101, a motor fixing plate 102, a motor supporting plate 103, a reinforcing plate 104, a workpiece to be machined 11, a jaw fixing plate 12, a jaw cylinder 13, a moving finger 131, a jaw 132, a jaw fixing seat 1321, a jaw body 1322, a first convex portion 1323, an air pipe joint 133, a supporting plate 141, a jaw through groove 1411, an annular groove 1412, a protective plate gasket 1413, a supporting column 142, a first protective plate 143, a second protective plate 144, a driving motor 15, a protective cover 16, a supporting seat 201, a manipulator 202, a supporting frame 301, a water tank 302, a drain valve 3021, a supporting seat supporting plate 3031, a bridge plate 3032, a water tank connecting plate 3033, a lower fixing plate 304, a long hole 3041, a shockproof foot cup 305, a shockproof pad 3051, a screw 3052, an adjusting plate 306, a motor mounting seat 401, a sanding motor 402 and a connecting rod 403.

Detailed Description

The following is a detailed description of the preferred embodiments.

Example 1

The embodiment provides a sanding fixture, as shown in fig. 1-2, comprising a support 10, a rotary driving assembly arranged on the support, a clamping assembly connected with an output shaft of the rotary driving assembly and used for clamping a workpiece to be machined 11, and a protection assembly arranged at the position of the clamping assembly and used for preventing the workpiece to be machined from collapsing.

Specifically, in the present embodiment, the rotary drive assembly includes a drive motor 15, and an output shaft of the drive motor 15 is horizontally disposed. The bracket 10 comprises a clamp bottom plate 101, a motor fixing plate 102, a motor supporting plate 103 and a reinforcing plate 104, wherein the clamp bottom plate 101 is horizontally arranged, the motor fixing plate 102 is vertically arranged on the clamp bottom plate 101 and fixedly connected with the clamp bottom plate 101, the motor supporting plate 103 is vertically arranged on the clamp bottom plate 101, the reinforcing plate 104 is used for reinforcing the connection strength between the motor fixing plate 102 and the clamp bottom plate 101, the motor fixing plate 102, the motor supporting plate 103 and the reinforcing plate 104 are preferably made of steel plates, the motor fixing plate 102 and the motor supporting plate 103 are welded on the clamp bottom plate 101, the reinforcing plate 104 is welded with the motor fixing plate 102 and the clamp bottom plate 101 to reinforce the connection strength between the motor fixing plate 102 and the clamp bottom plate 101, the bottom of a driving motor 15 is fixedly connected with the motor fixing plate 102 through bolts, and the motor supporting plate 103 is positioned below the driving motor 15 and close to the output end of the driving motor 15, the upper end of motor support plate 103 with driving motor 15's outer wall contact, it is shown in combination with fig. 6 set up on the support 10 right driving motor 15 carries out the safety cover 16 of protection set up the draw-in groove on the anchor clamps bottom plate 101, safety cover 16 can be directly through the draw-in groove joint on the anchor clamps bottom plate 101.

Referring to fig. 2 and 3, the clamping assembly includes a jaw fixing plate 12 coaxially and fixedly connected to the output shaft of the driving motor 15, and a jaw cylinder 13 fixedly connected to the jaw fixing plate 12, and a jaw 132 for clamping one end of the workpiece 11 is bolted to a moving finger 131 of the jaw cylinder 13.

In this embodiment, the jaw fixing plate 12 is a circular steel plate, and the output shaft of the driving motor 15 is fixedly connected to the jaw fixing plate 12 through a bolt. Referring to fig. 3, the jaw cylinder 13 is a circular three-jaw cylinder 13, the jaw cylinder 13 is coaxial with the driving motor 15, the jaw cylinder 13 is fixedly connected to the jaw fixing plate 12 by a bolt, the jaw cylinder 13 is provided with an air pipe joint 133 connected to an external air source, and a high-pressure air from the external air source is introduced into the jaw cylinder 13 through an air pipe to control the moving finger 131 on the jaw cylinder 13 to open outwards or retract inwards along the radial direction of the jaw cylinder 13.

Specifically, as shown in fig. 3, the jaw 132 of the jaw cylinder 13 includes a jaw fixing seat 1321 detachably connected to the moving finger 131 of the jaw cylinder 13, and a jaw body 1322 detachably connected to the jaw fixing seat 1321, in this embodiment, the jaw body 1322 includes a first protrusion 1323 protruding from an end surface of the jaw body 1322 away from the jaw fixing seat 1321,the first convex part 1323 is provided with a circle center positioned on the axis of the claw cylinder 13 The arc-shaped surface of the arc-shaped surface,when the jaw cylinder 13 is driven to open or close the movable finger 131 in the radial direction of the jaw cylinder 13, the first protrusion 1323 moves in the radial direction of the jaw cylinder 13 to open or close so as to clamp or release the workpiece 11.

As shown in fig. 2, the protection assembly includes a support plate 141 disposed at the position of the jaw 132, a first protection plate 143 disposed on the end surface of the support plate 141 away from the jaw fixing plate 12 for protecting an end of the workpiece 11 from collapsing, and a second protection plate disposed on the end surface of the workpiece 11 away from the jaw 132 for protecting the end of the workpiece 11 from collapsing; the supporting plate 141 is detachably connected to the jaw fixing plate 12 through a supporting column 142, a jaw through slot 1411 for accommodating the movement of the jaw body 1322 is disposed on the supporting plate 141, the first protection plate 143 has a profiling protection cavity for accommodating one end of the workpiece 11 to be machined, which is close to the jaw 132, therein, the cavity wall of the profiling protection cavity is tightly attached to the outer wall of the workpiece 11 to be machined so as to protect the workpiece 11 against edge collapse, specifically, the profiling cavity is a circular through hole matched with the outer circle of the protected position of the shaft workpiece 11.

In the present embodiment, in particular, the support plate 141 is a circular steel plate disposed coaxially with the driving motor 15, the number of the supporting columns 142 is 3, the 3 supporting columns 142 are uniformly distributed on the same circumference, the axis of each supporting column 142 is parallel to the axis of the driving motor 15, one end of each supporting column 142 is in threaded connection with the jaw fixing plate 12, the other end of each supporting column 142 is in threaded connection with the supporting plate 141, and more specifically, threaded holes screwed with the supporting columns 142 are formed in the jaw fixing plate 12 and the supporting plate 141, both ends of the supporting column 142 are provided with external threads, both ends of the supporting column 142 are respectively in threaded fixed connection with the jaw fixing plate 12 and the supporting plate 141, when the driving motor 15 drives the jaw fixing plate 12 to rotate, the jaw fixing plate 12 drives the supporting plate 141 to rotate synchronously through the supporting column 142.

More specifically, as shown in fig. 2 and 3, a jaw through slot 1411 is disposed on the support plate 141 corresponding to the jaw 132 and adapted to accommodate the jaw body 1322 to move along the radial direction of the jaw cylinder 13, and the jaw body 1322 can move along the radial direction of the jaw cylinder 13 in the jaw through slot 1411 under the driving of the moving finger 131 of the jaw cylinder 13, so that the first protrusion 1323 clamps or releases the workpiece 11.

More specifically, as shown in fig. 2, the first protection plate 143 is provided as an annular plate having an inner wall fitted with an outer wall of one end of the member to be processed 11, the first protection plate 143 is provided coaxially with the driving motor 15, the first protection plate 143 is fixedly connected with the support plate 141 by a bolt, since when the member to be processed 11 of the shaft type having different outer diameters is subjected to sanding treatment, the first protection plate 143 having different inner diameters is frequently replaced to match the member to be processed 11, in order to prevent the first protection plate 143 and the support plate 141 from being damaged due to collision, friction, or the like of the first protection plate 143 with the support plate 141 when the first protection plate 143 is replaced, an annular groove 1412 corresponding to the first protection plate 143 is provided on an end surface of the support plate 141 near the first protection plate 143, a protection plate gasket 1413 fitted with the annular groove 1412 is provided in the annular groove 1412, more specifically, the protection plate gasket 1413 is a sector plate fitted with the annular groove 1412, a gap for allowing the first protrusion 1323 to move is reserved between adjacent fan-shaped plates, the fan-shaped plates are positioned in the annular groove 1412 and are in bolted connection with the supporting plate 141, when the first protection plate 143 is in bolted connection with the supporting plate 141, under the blocking of the protection plate gasket 1413, the end face of the first protection plate 143 is not in direct contact with the end face of the supporting plate 141, and mutual collision damage is prevented.

The second protection plate 144 is a circular plate which is matched with the end surface of the workpiece 11 far away from the claw 132, and the second protection plate 144 is in screw connection with the end surface of the workpiece 11 to protect the end surface of the workpiece 11 against scratches and edge collapse of the end surface of the workpiece 11 during sanding operation.

Example 2

The embodiment discloses a sanding device, as shown in fig. 4, comprising a support base 201, a manipulator 202 fixedly connected with the support base 201, a sanding component arranged at the tail end of the manipulator 202, a support frame 301, a water tank 302 arranged at the upper end of the support frame 301, and the sanding fixture in embodiment 1 arranged in the water tank 302.

Specifically, the supporting frame 301 is a rectangular parallelepiped frame welded by square steels, a plurality of lower fixing plates 304 for preventing the supporting frame 301 from moving horizontally and a plurality of shock-proof goblets 305 for supporting and adjusting the height of the supporting frame 301 are symmetrically disposed at the bottom of the supporting frame 301, and in this embodiment, 1 lower fixing plate 304 is disposed on each of 4 square steels at the lower portion of the supporting frame 301 to limit the movement of the supporting frame 301 in 4 directions.

More specifically, as shown in fig. 5, the lower fixing plate 304 is an L-shaped plate, a vertical portion of the lower fixing plate 304 is vertically provided with a long hole 3041, an outer wall of a bottom square steel of the supporting frame 301 is provided with a threaded hole corresponding to the long hole 3041, a bolt is threaded through the long hole 3041 and then is connected to the supporting frame 301 so that the lower fixing plate 304 contacts the supporting frame 301, a horizontal portion of the lower fixing plate 304 is vertically provided with a bolt mounting hole penetrating through the lower fixing plate 304, the lower fixing plate 304 can be fixedly connected to a ground or other fixed object through the bolt to prevent the supporting frame 301 from moving horizontally, the cup 305 includes a cushion 3051 and a vertically provided threaded rod 3052 fixedly connected to the cushion 3051 and provided above the cushion 3051, an adjusting plate 306 is welded at the bottom of the supporting frame 301 corresponding to the cup 305305, a threaded hole vertically provided on the adjusting plate 306 and threadedly engaged with the threaded rod 2 on the cup 305, the shockproof cup 305 can achieve the purposes of adjusting the height of the support frame 301 and reducing the vibration of the support frame 301 through the threaded connection with the adjusting plate 306.

Further, the water tank 302 may be a square, polygonal or circular metal cylinder with an open upper end, as shown in fig. 4 and 7, in this embodiment, the water tank 302 is a square cylinder, the water tank 302 is fixedly connected to the support frame, and a drain valve 3021 capable of draining the water in the water tank 302 out of the water tank 302 is disposed on the bottom plate of the water tank 302.

Referring to fig. 6 and 7, a clamp support for placing a sanding clamp is arranged in a water tank 302, the clamp support comprises 2 support plates 3031 vertically arranged in parallel, a bridge plate 3032 horizontally welded at the upper end of the support plate 3031, and a water tank connecting plate 3033 horizontally welded at the lower end of the support plate 3031, the clamp bottom plate 101 is connected with the bridge plate 3032 by bolts, and the water tank connecting plate 3033 is connected with the bottom plate of the water tank 302 by bolts.

As shown in fig. 4, the supporting seat 201 is used for installing the manipulator 202, the supporting seat 201 may be any shape structure capable of supporting the manipulator 202, in this embodiment, the supporting seat 201 is an upper mounting plate, a lower mounting plate and a vertical plate vertically arranged between the upper mounting plate and the lower mounting plate, both ends of the vertical plate are respectively welded to the upper mounting plate and the lower mounting plate, the bottom of the manipulator 202 is installed on the upper mounting plate of the supporting seat 201, a sanding component for sanding the workpiece 11 to be machined is arranged at an execution end of the manipulator 202, and the manipulator 202 may adopt any type specification manipulator, for example, a TR8 six-axis manipulator, which can enable the execution end to drive the sanding component to rotate and move to sand the workpiece 11 to be machined.

Referring to fig. 4 and 8, the sanding assembly includes a motor mounting seat 401 and 4 sanding motors 402 symmetrically arranged on the motor mounting seat 401, the motor mounting seat 401 is connected with the manipulator 202 through a connecting rod 403, specifically, one end of the connecting rod 403 is connected with the motor mounting seat 401 through a bolt, the other end of the connecting rod 403 is connected with an execution end of the manipulator 202 through a bolt, the manipulator 202 can be controlled to drive the motor mounting seat 401 to rotate and move, sanding operation on a workpiece 11 to be sanded by the sanding motor 402 on the motor mounting seat 401 is facilitated, the sanding motor 402 is a pneumatic motor with an external air source, different sanding motors 402 are provided with sandcloths with different granularities, and the sanding motor 402 drives the sandcloths to rotate so as to polish appearance surfaces of products to be machined.

When the sanding device works specifically, the sanding fixture is installed on the fixture installation seat, the shaft workpiece 11 to be machined is installed on the sanding fixture, the drain valve 3021 on the water tank 302 is closed, the sanding motor 402 for determining the granularity of the sanded abrasive cloth and running the abrasive cloth with the granularity drives the abrasive cloth to rotate, an external water source is sprayed on the workpiece 11 to be machined, then the execution end of the manipulator 202 is controlled to move to drive the sanding motor 402 to move to sand the workpiece 11 to be machined, and in sanding, in order to prevent the air pipe on the claw cylinder 13 from winding on the claw cylinder 13, the driving motor 15 is controlled to drive the workpiece 11 to be machined to repeatedly rotate back and forth by 180 degrees, so that the periphery of the workpiece 11 to be machined can be polished by the abrasive cloth.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a sanding anchor clamps which characterized in that: the device comprises a bracket, a rotary driving assembly arranged on the bracket, a clamping assembly connected with an output shaft of the rotary driving assembly and used for clamping a workpiece to be processed, and a protection assembly arranged at the position of the clamping assembly and used for preventing the edge of the workpiece to be processed from collapsing;

the clamping assembly comprises a jaw fixing plate and a jaw cylinder, the jaw fixing plate is coaxially and fixedly connected with an output shaft of the rotary driving assembly, the jaw cylinder is coaxially and fixedly connected with the jaw fixing plate, and a jaw used for clamping one end of a workpiece to be machined is connected to a moving finger of the jaw cylinder.

2. The sanding jig of claim 1 wherein: the jack catch include with the removal finger of jack catch cylinder can dismantle the jack catch fixing base of being connected and with the jack catch fixing base can be dismantled the connection and be used for the centre gripping treat the jack catch body of machined part.

3. The sanding jig of claim 2 wherein: the protection assembly comprises a supporting plate arranged at the position of a clamping jaw, a first protection plate which is arranged on the end surface, far away from the clamping jaw fixing plate, of the supporting plate and used for performing anti-collapse edge protection on one end of the workpiece to be processed, and a second protection plate which is arranged on the end surface, far away from the clamping jaw, of the other end of the workpiece to be processed and used for performing anti-collapse edge protection on the other end of the workpiece to be processed; the backup pad pass through the support column with the jack catch fixed plate can be dismantled and be connected, set up in the backup pad and hold the jack catch through groove that the jack catch body removed, first protection board has the confession treat on the machined part be close to the profile modeling protection chamber wherein is arranged in to the one end of jack catch, the chamber wall in profile modeling protection chamber is hugged closely treat the outer wall of machined part.

4. A sanding jig as defined in claim 3 wherein: the end face, close to the first protection plate, of the supporting plate is provided with an annular groove corresponding to the first protection plate, a protection plate gasket used for protecting the first protection plate is arranged in the annular groove, the protection plate gasket is a plurality of fan-shaped plates matched with the annular groove, and gaps for accommodating the jaw body to move are reserved between adjacent fan-shaped plates.

5. A sanding jig as defined in claim 4 wherein: the rotary driving assembly is a driving motor, an output shaft of the driving motor is horizontally arranged, and the support is detachably connected with a protection cover for protecting the driving motor.

6. The sanding jig of claim 5 wherein: the support includes the anchor clamps bottom plate that the level set up, vertical set up in on the anchor clamps bottom plate with anchor clamps bottom plate fixed connection's motor fixed plate, with motor fixed plate parallel arrangement's motor backup pad with be used for strengthening the motor fixed plate with joint strength's reinforcing plate between the anchor clamps bottom plate, driving motor's bottom with motor fixed plate fixed connection, the motor backup pad is located the driving motor below is close to driving motor's output, the lower extreme of motor backup pad with anchor clamps bottom plate fixed connection, the upper end of motor backup pad with driving motor's outer wall contact.

7. The utility model provides a sanding device which characterized in that: the sanding fixture comprises the sanding fixture as defined in any one of claims 1-6, a support base, a robot fixedly connected with the support base, and a sanding assembly disposed at an end of the robot.

8. A sanding device according to claim 7, characterized in that: the sanding component comprises a motor mounting seat and a plurality of symmetrical sanding motors arranged on the motor mounting seat, sanding cloths of different granularities are arranged on different sanding motors, the sanding motors drive the sanding cloths to rotate so as to polish appearance surfaces of products to be machined, and the motor mounting seat is fixedly connected with the manipulator through a connecting rod.

9. A sanding device as defined in claim 8, wherein: the sanding device is characterized by further comprising a support frame and a water tank fixedly connected to the upper end of the support frame, wherein a clamp support used for placing the sanding clamp is arranged in the water tank, the clamp support is detachably connected with a bottom plate of the water tank, and the support is arranged on the clamp support and detachably connected with the clamp support.

10. A sanding device according to claim 9, characterized in that: the support frame is the frame body, and the bottom symmetry of support frame sets up a plurality of lower part fixed plates that prevent support frame horizontal migration and a plurality of foot cups that take precautions against earthquakes that are used for supporting and adjust the support frame height, the lower part fixed plate is the L template, the vertical slot hole that sets up in the vertical portion of lower part fixed plate, the bottom outer wall of support frame set up with the screw hole that the slot hole corresponds, the foot cup that takes precautions against earthquakes includes the antivrbration pad and locates the screw rod of the vertical setting of antivrbration pad top and antivrbration pad fixed connection, and the support frame bottom corresponds the fixed connection regulating plate with the foot cup that takes precautions against earthquakes, vertical setting on the regulating plate and the threaded rod screw hole of screw-thread fit on the foot cup that takes precautions against earthquakes.

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