阅读说明：本技术 一种机械化农业机具制造用工件夹持装置 (Workpiece clamping device for manufacturing of mechanical agricultural machine ) 是由 徐琨 于 2021-09-09 设计创作，主要内容包括：本发明涉及农具制造设备技术领域,具体是一种机械化农业机具制造用工件夹持装置,包括：底座；夹持机构,所述夹持机构与所述底座滑动连接；控制机构,所述控制机构与所述底座固定连接,且通过导气管与所述夹持机构相连；以及传动机构,所述传动机构设于所述控制机构与所述夹持机构之间；其中,所述夹持机构包括：支撑组件；夹持组件,所述夹持组件与所述支撑组件固定连接；调节组件,所述调节组件设于所述夹持组件外侧,与所述支撑组件固定连接,且与所述导气管相连,通过设置夹持机构和控制机构,利用控制机构驱动所述调节组件,调节组件驱动所述夹持组件在所述支撑组件上移动,可以实现工件位置的调节,进而方便人们对工件进行加工。(The invention relates to the technical field of agricultural implement manufacturing equipment, in particular to a workpiece clamping device for manufacturing a mechanized agricultural implement, which comprises: a base; the clamping mechanism is connected with the base in a sliding manner; the control mechanism is fixedly connected with the base and is connected with the clamping mechanism through an air duct; the transmission mechanism is arranged between the control mechanism and the clamping mechanism; wherein, fixture includes: a support assembly; the clamping assembly is fixedly connected with the supporting assembly; the adjusting assembly is arranged on the outer side of the clamping assembly, is fixedly connected with the supporting assembly and is connected with the air guide pipe, the clamping mechanism and the control mechanism are arranged, the adjusting assembly is driven by the control mechanism, the clamping assembly is driven by the adjusting assembly to move on the supporting assembly, the position of a workpiece can be adjusted, and then the workpiece can be conveniently machined by people.)

1. A workpiece clamping device for manufacturing of a mechanized agricultural machine is characterized by comprising:

a base;

the clamping mechanism is connected with the base in a sliding manner;

the control mechanism is fixedly connected with the base, is connected with the clamping mechanism through an air duct, and is used for driving the clamping mechanism to realize the adjustment of the position of the workpiece; and

the transmission mechanism is arranged between the control mechanism and the clamping mechanism and is used for matching with the control mechanism to drive the clamping mechanism to realize the adjustment of the clamping range;

wherein, fixture includes:

the supporting components are slidably connected to the outer sides of the two ends of the base, connected with the transmission mechanism and used for being matched with the transmission mechanism to move along the wall of the base shell;

the clamping assembly is fixedly connected with the supporting assembly and is used for completing the fixation of a workpiece in cooperation with the supporting assembly;

the adjusting assembly is arranged on the outer side of the clamping assembly, is fixedly connected with the supporting assembly, is connected with the air duct, and is used for matching with the control mechanism to drive the clamping assembly to move on the supporting assembly to complete the adjustment of the position of the workpiece.

2. The workpiece clamping device for mechanized agricultural implement manufacturing of claim 1, wherein the support assembly comprises:

the arc-shaped supporting plate is arranged on the outer side of the base, and a sliding groove is formed in the inner side of the arc-shaped supporting plate;

one end of the support frame is fixedly connected with the arc-shaped support plate, and the other end of the support frame is connected with the transmission mechanism and is used for matching with the transmission mechanism to drive the arc-shaped support plate to move; and

support piece, support piece with spout sliding connection, with adjusting part rotates to be connected, and outside fixed connection is provided with the centre gripping subassembly, is used for the cooperation adjusting part follows the spout slides and realizes the regulation to the centre gripping subassembly position.

3. The workpiece clamping device for mechanized agricultural implement manufacturing of claim 2, wherein the clamping assembly comprises:

the fixed frame is fixedly connected with the supporting piece, and a movable frame is arranged on the inner side of the fixed frame in a sliding connection manner;

the first telescopic piece is used for connecting the movable frame and the fixed frame; and

and the clamp is fixedly connected with the movable frame.

4. The workpiece clamping device for mechanized agricultural implement manufacturing of claim 3, wherein the adjustment assembly comprises:

the air guide plate is arranged on the outer side of the clamping assembly and fixedly connected with the supporting assembly through a supporting rod, and an air guide groove connected with the air guide pipe is formed in the inner side of the air guide plate;

the connecting assembly is arranged between the air guide plate, the clamping assembly and the supporting piece; and

the connecting pipe is rotatably connected with the air guide plate, is fixedly connected with the connecting assembly and is used for matching with the control mechanism to drive the connecting assembly to realize the sliding of the supporting piece;

wherein, coupling assembling is in the air guide plate both ends outside symmetry sets up.

5. The workpiece clamping device for mechanized agricultural implement manufacturing of claim 4, wherein the connection assembly comprises:

the fixed pipe is fixedly connected with the connecting pipe;

the movable piece is connected with the fixed pipe in a sliding mode and is connected with the fixed pipe through a second elastic piece; and

the sliding plate is arranged on the inner side of the moving part in a sliding connection mode, one end of the sliding plate is connected with the moving part through a third elastic piece, and the other end of the sliding plate is connected with the supporting part in a rotating mode through a driven rod and used for matching with the control mechanism to drive the supporting part to achieve adjustment of a workpiece clamping position.

6. The workpiece holding device for mechanized agricultural implement manufacturing of claim 1, wherein the control mechanism comprises:

the control box is fixedly connected with the base, and a plurality of air inlets and air outlets are formed in the control box;

the driving piece is fixedly connected to the inner side of the control box;

the transmission piece is connected with the control box in a sliding manner, is connected with the driving piece and is used for matching with the driving piece to realize the absorption of outside air; and

the lifting assembly is arranged on the inner side of the control box and used for driving the transmission piece to lift in a matched manner so as to realize the connection of the transmission piece and the transmission mechanism.

7. The workpiece holding device for mechanized agricultural implement manufacturing of claim 6, wherein the lifting assembly comprises:

the transmission box is fixedly connected with the control box, and an air inlet pipe is fixedly connected to the outer side of the transmission box;

the pushing piece is connected with the transmission case in a sliding mode and is connected with the transmission case through a first elastic piece; and

the control rod is rotatably connected between the pushing piece and the transmission piece and is used for matching the pushing piece to realize the lifting of the transmission piece.

8. The workpiece holding device for mechanized agricultural implement manufacturing of claim 7, wherein the transmission mechanism comprises:

the turntable is rotatably connected with the base and detachably connected with the transmission part; and

the adjusting rods are arranged on two sides of the rotary table, are rotatably connected with the base, are in threaded connection with the supporting assembly and are used for being matched with the rotary table to realize the movement of the supporting assembly.

Technical Field

The invention relates to the technical field of agricultural implement manufacturing equipment, in particular to a workpiece clamping device for manufacturing a mechanical agricultural implement.

Background

Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. The agricultural machinery comprises agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like, and the generalized agricultural machinery also comprises forestry machinery, fishery machinery, and rural subsidiary machinery such as silkworm, beekeeping, edible fungus cultivation and the like; agricultural machinery belongs to relative concept, refers to a general term for all machinery used in agriculture, animal husbandry, forestry and fishery, and belongs to the category of agricultural implements. The popularization of agricultural machinery is called agricultural mechanization.

Agricultural machine is adding welding process, need fix the part through clamping device, and current clamping device is mostly just through pressure with the work piece clamp tightly, can't adjust the work piece, and application scope is less, consequently, to above present situation, urgent need develop a mechanized agricultural machine is made and is used work piece clamping device to overcome not enough in the current practical application.

Disclosure of Invention

The invention aims to provide a workpiece clamping device for manufacturing a mechanical agricultural machine, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a workpiece holding device for manufacturing a mechanized agricultural implement includes:

a base;

the clamping mechanism is connected with the base in a sliding manner;

the control mechanism is fixedly connected with the base, is connected with the clamping mechanism through an air duct, and is used for driving the clamping mechanism to realize the adjustment of the position of the workpiece; and

the transmission mechanism is arranged between the control mechanism and the clamping mechanism and is used for matching with the control mechanism to drive the clamping mechanism to realize the adjustment of the clamping range;

wherein, fixture includes:

the supporting components are slidably connected to the outer sides of the two ends of the base, connected with the transmission mechanism and used for being matched with the transmission mechanism to move along the wall of the base shell;

the clamping assembly is fixedly connected with the supporting assembly and is used for completing the fixation of a workpiece in cooperation with the supporting assembly;

the adjusting assembly is arranged on the outer side of the clamping assembly, is fixedly connected with the supporting assembly, is connected with the air duct, and is used for matching with the control mechanism to drive the clamping assembly to move on the supporting assembly to complete the adjustment of the position of the workpiece.

Compared with the prior art, the invention has the beneficial effects that:

when the device is in operation, the control mechanism can adjust the distance between the supporting components at the two sides through the transmission mechanism, thereby facilitating the clamping component arranged on the supporting component to clamp workpieces with different sizes, meanwhile, the control mechanism can be connected with the adjusting component through an air duct, the control mechanism drives the adjusting component, the adjusting component enables the clamping component to move on the supporting component, thereby realizing the adjustment of the position of the workpiece and ensuring that the workpiece is more accurate and stable during welding, compared with the prior art that the workpiece is clamped only by pressure and cannot be adjusted, through setting up fixture and control mechanism, utilize control mechanism drive the adjusting part, the adjusting part drive the clamping part is in the supporting component moves on, can realize the regulation of work piece position, and then makes things convenient for people to process the work piece.

Drawings

Fig. 1 is a front view of a workpiece holding device for manufacturing a mechanized agricultural implement.

FIG. 2 is a side view of a support assembly in a workpiece holding device for use in manufacturing a mechanized agricultural implement.

FIG. 3 is a top view of a support assembly in a workpiece holding device for use in manufacturing a mechanized agricultural implement.

Fig. 4 is a front view of a control mechanism in a workpiece holding device for manufacturing a mechanized agricultural implement.

FIG. 5 is a schematic view of a driving member of the workpiece clamping device for manufacturing the mechanized agricultural implement.

In the figure: 1-base, 2-control mechanism, 3-fixed frame, 4-movable frame, 5-first telescopic member, 6-rotating rod, 7-clamping frame, 8-clamping plate, 9-second telescopic member, 10-fixing bolt, 11-clamping component, 12-arc supporting plate, 13-sliding chute, 14-sliding block, 15-supporting plate, 16-connecting rod, 17-regulating block, 18-supporting component, 19-air guide plate, 20-air guide groove, 21-connecting tube, 22-fixing tube, 23-movable component, 24-sliding plate, 25-regulating component, 26-air guide tube, 27-rotating disk, 28-regulating rod, 29-transmission mechanism, 30-supporting rod, 31-driven rod, 32-control box, 33-a driving part, 34-a driving rod, 35-a driving rod, 36-a fan, 37-a connecting sleeve, 38-a movable plate, 39-a pressing plate, 40-a transmission box, 41-an air inlet pipe, 42-a pushing part, 43-a first elastic part, 44-a control rod, 45-an air outlet, 47-a limiting ring and 48-a clamping mechanism.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1, in one embodiment of the present invention, a workpiece clamping device for manufacturing a mechanized agricultural machine includes: a base 1; the clamping mechanism 48 is connected with the base 1 in a sliding mode; the control mechanism 2 is fixedly connected with the base 1, is connected with the clamping mechanism 48 through an air duct 26, and is used for driving the clamping mechanism 48 to adjust the position of a workpiece; the transmission mechanism 29 is arranged between the control mechanism 2 and the clamping mechanism 48 and is used for matching with the control mechanism 2 to drive the clamping mechanism 48 to realize the adjustment of the clamping range; wherein the clamping mechanism 48 comprises: the supporting components 18 are slidably connected to the outer sides of the two ends of the base 1, connected to the transmission mechanism 29, and used for matching with the transmission mechanism 29 to move along the wall of the base 1; the clamping component 11 is fixedly connected with the supporting component 18 and is used for matching with the supporting component 18 to complete the fixation of a workpiece; and the adjusting component 25 is arranged on the outer side of the clamping component 11, is fixedly connected with the supporting component 18, is connected with the air duct 26, and is used for matching with the control mechanism 2 to drive the clamping component 11 to move on the supporting component 18 to complete the adjustment of the position of the workpiece.

In the embodiment, when the device is in operation, the control mechanism 2 can adjust the distance between the supporting components 18 at two sides through the transmission mechanism 29, so that the clamping components 11 arranged on the supporting components 18 can clamp workpieces with different sizes conveniently, meanwhile, the control mechanism 2 can be connected with the adjusting components 25 through the air ducts 26, the control mechanism 2 drives the adjusting components 25, the adjusting components 25 enable the clamping components 11 to move on the supporting components 18, and further, the position of the workpiece can be adjusted, so that the workpiece is more accurate and stable during welding, compared with the prior art, the device clamps the workpiece through pressure, cannot adjust the workpiece, through arranging the clamping mechanism 48 and the control mechanism 2, driving the adjusting components 25 through the control mechanism 2, and driving the clamping components 11 to move on the supporting components 18 through the adjusting components 25, the position of the workpiece can be adjusted, and therefore people can conveniently process the workpiece.

In one embodiment of the present invention, referring to fig. 1, 2 and 3, the supporting component 18 includes: the arc-shaped support plate 12 is arranged on the outer side of the base 1, and a sliding groove 13 is arranged on the inner side of the arc-shaped support plate 12; one end of the support frame is fixedly connected with the arc-shaped support plate 12, and the other end of the support frame is connected with the transmission mechanism 29 and is used for matching with the transmission mechanism 29 to drive the arc-shaped support plate 12 to move; and the supporting piece is connected with the sliding groove 13 in a sliding manner, is connected with the adjusting component 25 in a rotating manner, is fixedly connected with the clamping component 11 at the outer side and is used for matching with the adjusting component 25 along the sliding groove 13 to realize the adjustment of the position of the clamping component 11.

In this embodiment, the supporting member includes a sliding block 14 slidably connected to the inner side of the sliding slot 13, a supporting plate 15 is fixedly connected to the outer side of the sliding block 14, the bottom end of the supporting plate 15 is rotatably connected to the adjusting assembly 25, and a clamping assembly 11 is fixedly connected to the side of the supporting plate 15 away from the sliding block 14, wherein the sliding slot 13 is also in an arc-shaped structure in the arc-shaped supporting plate 12, when the adjusting assembly 25 drives the supporting plate 15, the supporting plate 15 slides along the sliding slot 13 under the restriction of the sliding block 14, and the angle of the clamping assembly 11 is changed along with the sliding of the supporting plate 15, so that people can conveniently weld two workpieces at multiple angles;

in addition, the support frame is in for sliding connection sets up the inboard regulating block 17 of base 1, regulating block 17 with drive mechanism 29 threaded connection, the equal fixed connection in both ends outside is provided with connecting rod 16 around regulating block 17, the connecting rod 16 the other end with arc backup pad 12 fixed connection.

In one embodiment of the present invention, the clamping assembly 11 comprises: the fixed frame 3 is fixedly connected with the supporting piece, and a movable frame 4 is arranged on the inner side of the fixed frame 3 in a sliding connection mode; a first telescopic part 5 for connecting the movable frame 4 and the fixed frame 3; and the clamp is fixedly connected with the movable frame 4.

In this embodiment, the fixed frame 3 is fixedly connected to the supporting plate 15, the movable frame 4 is slidably connected to the inner side of the fixed frame 3, the first extensible member 5 is fixedly connected between the movable frame 4 and the fixed frame 3, the first extensible member 5 is an electric extensible rod, the other end of the movable frame 4 is provided with a clamp, wherein the clamp comprises a clamping frame 7, clamping plates 8 are respectively arranged at two ends of the inner side of the clamping frame 7, a second extensible member 9 is fixedly connected between the clamping plate 8 and the clamping frame 7, the second extensible member 9 is an electric extensible rod, a rotating rod 6 rotatably connected with the movable frame 4 is fixedly connected to the outer side of the clamping frame 7, a fixing bolt 10 in threaded connection with the movable frame 4 is arranged on the outer side of the rotating rod 6, and the rotating rod 6 can be positioned by arranging the fixing bolt 10, utilize bull stick 6, can rotate centre gripping frame 7 to the multifaceted nature of reinforcing device centre gripping through setting up centre gripping subassembly 11, utilizes first extensible member 5 can finely tune the centre gripping position, guarantees that splint 8 can stably contact with the work piece, utilizes the drive of second extensible member 9 splint 8 has guaranteed the stability of work piece when adding man-hour.

In one embodiment of the present invention, the adjustment assembly 25 comprises: the air guide plate 19 is arranged on the outer side of the clamping component 11 and is fixedly connected with the supporting component 18 through a supporting rod 30, and an air guide groove 20 connected with the air guide pipe 26 is formed in the inner side of the air guide plate 19; the connecting assembly is arranged between the air guide plate 19 and the clamping assembly 11 as well as the supporting piece; the connecting pipe 21 is rotatably connected with the air guide plate 19, is fixedly connected with the connecting assembly, and is used for matching with the control mechanism 2 to drive the connecting assembly to realize the sliding of the supporting piece; wherein, the connecting components are symmetrically arranged at the outer sides of the two ends of the air guide plate 19.

In this embodiment, air deflector 19 is located the base 1 both ends outside, air deflector 19 inboard be provided with air duct 26 sliding connection's air guide groove 20, air deflector 19 outside rotate connect be provided with the connecting pipe 21 that air guide groove 20 links to each other, the connecting pipe 21 other end with coupling assembling fixed connection, wherein, connecting pipe 21 is provided with two, and the symmetry sets up both ends outside around air deflector 19, the 2 drive air of control mechanism get into behind the air guide groove 20, the air gets into along connecting pipe 21 in the coupling assembling, through coupling assembling's flexible drive support piece follows spout 13 slides to accomplish the regulation to holding subassembly 11 positions.

In one embodiment of the present invention, the connection assembly includes: the fixed pipe 22 is fixedly connected with the connecting pipe 21; the movable piece 23 is connected with the fixed pipe 22 in a sliding manner, and is connected with the fixed pipe 22 through a second elastic piece; and the sliding plate 24 is slidably connected to the inner side of the movable member 23, one end of the sliding plate 24 is connected with the movable member 23 through a third elastic member, and the other end of the sliding plate 24 is rotatably connected with the supporting member through a driven rod 31 and is used for matching with the control mechanism 2 to drive the supporting member to realize the adjustment of the workpiece clamping position.

In this embodiment, the moving member 23 is a piston slidably connected to the inner side of the fixed pipe 22, a second elastic member is fixedly connected between the piston and the fixed pipe 22, the second elastic member is a second spring, a fixed plate is fixedly connected to the outer side of the other end of the piston, a sliding plate 24 is slidably connected to the inner side of the fixed plate, a third elastic member is fixedly connected between the sliding plate 24 and the fixed plate, the third elastic member is a third spring, a driven rod 31 is rotatably connected to the outer side of one end of the sliding plate 24, which is far away from the third elastic member, the driven rod 31 is rotatably connected to the support plate 15, wherein a first valve is fixedly connected to the inner side of the connecting pipe 21, and by controlling the on/off of the first valve, the connecting members on both sides can be driven separately, so that the supporting member can slide effectively in the sliding groove 13, the effectiveness of the device for adjusting the position of the workpiece is ensured.

In an embodiment of the present invention, referring to fig. 4 and 5, the control mechanism 2 includes: the control box 32 is fixedly connected with the base 1, and a plurality of air inlets and air outlets 45 are arranged on the control box 32; the driving part 33, the said driving part 33 is fixedly connected to locate inside of the said control box 32; the transmission piece is connected with the control box 32 in a sliding manner, is connected with the driving piece 33 and is used for matching with the driving piece 33 to realize the absorption of outside air; and the lifting assembly is arranged on the inner side of the control box 32 and is used for driving the transmission piece to lift in a matched manner with the flowing of air so as to realize the connection of the transmission piece and the transmission mechanism 29.

In this embodiment, the transmission member includes a driving rod 34, the driving rod 34 is fixedly connected with an output end of the driving member 33, the driving member 33 is a driving motor or a driving motor, a driving rod 35 is slidably connected to an outer side of the driving rod 34, a limiting groove is formed in an inner side of the driving rod 35, a limiting block fixedly connected with the driving rod 34 is slidably connected to an inner side of the limiting groove, a fan 36 is fixedly connected to an outer side of the driving rod 35, a limiting ring 47 is further fixedly connected to an outer side of the driving rod 35, a connecting sleeve 37 is rotatably connected to an outer side of the limiting ring 47, the connecting sleeve 37 is connected to the lifting assembly, a plurality of air inlets and air outlets 45 are arranged on the control box 32 and connected to the air guide tube 26, second valves are fixedly connected to inner sides of the air inlets, the air outlets 45 and the air guide tube 26, by arranging the control mechanism 2, the driving piece 33 is used for driving the transmission piece to rotate, on one hand, the clamping mechanism 48 can be driven to realize the adjustment of the clamping position of the workpiece, and on the other hand, the transmission mechanism 29 can be driven by matching with the lifting assembly, so that the adjustment of the whole position of the clamping mechanism 48 is realized, and the applicability of the device is improved;

in addition, a movable plate 38 slidably connected to the base 1 is fixedly connected to an outer side of the transmission rod 35, a pressing plate 39 is fixedly connected to an outer side of each end of the movable plate 38, and the pressing plate 39 can fix the transmission mechanism 29 along with the lifting of the transmission rod 35.

In one embodiment of the invention, a lift assembly comprises: the transmission box 40 is fixedly connected with the control box 32, and an air inlet pipe 41 is fixedly connected to the outer side of the transmission box 40; a pushing member 42, wherein the pushing member 42 is connected with the transmission case 40 in a sliding manner and is connected with the transmission case 40 through a first elastic member 43; and the control rod 44 is rotatably connected between the pushing piece 42 and the transmission rod 35 and is used for matching the pushing piece 42 to realize the lifting of the transmission rod 35.

In this embodiment, the pushing element 42 is a second piston slidably connected to the inner side of the transmission case 40, a pushing block is fixedly connected to the outer side of the second piston, a control rod 44 is rotatably connected to the inner side of the pushing block, the other end of the control rod 44 is rotatably connected to the connection sleeve 37, a first elastic element 43 is fixedly connected between the second piston and the transmission case 40, the first elastic element 43 is a first spring, and a third valve is fixedly connected to the inner side of the air inlet pipe 41.

In one embodiment of the present invention, the transmission mechanism 29 includes: the turntable 27 is rotatably connected with the base 1 and detachably connected with the transmission piece; and the adjusting rods 28 are arranged on two sides of the rotary table 27, are rotatably connected with the base 1, are in threaded connection with the supporting component 18, and are used for matching with the rotary table 27 to realize the movement of the supporting component 18.

In this embodiment, the rotating disc 27 is disposed outside the transmission rod 35 and is rotatably connected to the base 1, adjusting rods 28 rotatably connected to the base 1 are disposed on both sides of the rotating disc 27, the adjusting rods 28 are engaged with the rotating disc 27 through bevel gears, and the adjusting rods 28 are in threaded connection with the adjusting blocks 17.

The workpiece clamping device for manufacturing the mechanical agricultural machine is characterized in that the clamping mechanism 48 and the control mechanism 2 are arranged, the control mechanism 2 is used for driving the adjusting component 25, the adjusting component 25 drives the clamping component 11 to move on the supporting component 18, the position of a workpiece can be adjusted, and then the workpiece can be conveniently processed by people, when the adjusting component 25 drives the supporting plate 15, the supporting plate 15 slides along the sliding groove 13 under the limitation of the sliding block 14, the angle of the clamping component 11 can be changed along with the sliding of the supporting plate 15, so that the two workpieces can be conveniently welded at multiple angles by people, the rotating rod 6 can be positioned by arranging the fixing bolt 10, the rotating rod 6 can be used for rotating the clamping frame 7, so that the clamping multifacetness of the device is enhanced, the clamping position can be finely adjusted by arranging the clamping component 11 and utilizing the first telescopic piece 5, the clamping plate 8 can be stably contacted with a workpiece, the clamping plate 8 is driven by the second telescopic piece 9, the stability of the workpiece during machining is guaranteed, the driving piece 33 is used for driving the driving piece to rotate through the control mechanism 2, on one hand, the clamping mechanism 48 can be driven to realize the adjustment of the clamping position of the workpiece, on the other hand, the transmission mechanism 29 can be driven through being matched with the lifting assembly, the whole position of the clamping mechanism 48 is further adjusted, and the applicability of the device is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.