CN211728728U

CN211728728U - Motion control mechanism of workpiece clamping assembly for polishing machine

Info

Publication number: CN211728728U
Application number: CN201922422266.6U
Authority: CN
Inventors: 吕晓明
Original assignee: Yongkang Kangzhong Industry And Trade Co ltd
Current assignee: Yongkang Kangzhong Industry And Trade Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-23
Anticipated expiration: 2029-12-30

Abstract

A motion control mechanism of a workpiece clamping component for a polishing machine comprises a clamping component; two ends of a rotating shaft are connected with the clamping assembly and the gear, and the gear is driven by the rack to form a rotating motion mechanism of the rotating shaft; the rotating shaft rotating motion mechanism is also provided with an X-axis movable plate, the X-axis movable plate is connected with an X-axis motion block which is arranged on the X-axis fixed plate and connected to a synchronous belt, and the synchronous belt is driven by a driving part to form an X-axis motion mechanism; the clamping assembly comprises a workpiece clamping fixing plate, the lower end of the workpiece clamping fixing plate is connected with a lower fixing plate, a rotating seat driven by a workpiece rotating drive motor is arranged on the lower fixing plate, and the upper end of the workpiece clamping fixing plate is connected with an upper fixing plate in a sliding manner; a clamping die is arranged below the vertical part of the workpiece clamping fixing plate. Compared with the existing clamping assembly with adjustable position, the motion adjusting mechanism is more stable and efficient, particularly the motion adjustment of the position of the Y axis (rotating shaft) is added, and the clamping assembly is suitable for polishing operation.

Description

Motion control mechanism of workpiece clamping assembly for polishing machine

Technical Field

The utility model relates to an equipment for polishing especially relates to a motion control mechanism of work piece centre gripping subassembly for burnishing machine.

Background

In the process of processing and forming the vacuum cup or the kettle, a plurality of processes such as pipe cutting, opening rolling, water expansion, cutting, necking, edge turning, polishing, paint spraying and the like need to be carried out, wherein the polishing is one of the last processes of vacuum cup forming, and has great influence on the appearance and the using effect of a product.

Original polishing technology mainly is manual the polishing, needs the handheld cup of operating personnel promptly, will need the local orientation burnishing machine of polishing, polishes, and the product of polishing out by hand has following several problems: 1. the body has uneven lines and the lines are twill lines; 2. the brightness is not consistent; 3. the requirement of industrial polishing technicians is high; 5. the production cost is high; 6. is not beneficial to factory planning, so the polishing machine capable of automatically adjusting the position of the cup body needs to be developed.

At present, a polishing machine for polishing a vacuum cup is used for clamping a workpiece, and a clamping device of the polishing machine is used for simply jacking two ends of a cup workpiece through clamping discs on two sides and then processing the workpiece. Because the polishing wheel is attached to the cup body workpiece from the side for processing, the workpiece is subjected to the top pressure given by the two ends of the clamping disc and the extrusion force given by the side polishing wheel, and the workpiece deviates towards the back of the polishing wheel due to long time, so that the cup body workpiece cannot ensure that a workpiece shaft is completely coaxial with the main shaft at any time after being switched to different processing positions, and the precision of a product is finally influenced.

In addition, how various vacuum cups or pots (workpieces) can be accurately positioned and angled to be sent to a polishing wheel (or abrasive belt) for polishing also cannot be effectively achieved by manually conveying the workpieces and clamping the workpieces at present, which often causes low quality or unstable quality of processed products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motion control mechanism of a workpiece clamping component for a polishing machine, which mainly solves the technical problems existing in the prior art and can realize the motion adjustment of the workpiece clamping component for the polishing machine on the positions of an X axis and a Y axis (a rotating shaft); compare with current operating personnel hand-held mode, its operating stability and security have absolute advantage, compare with current adjustable position's centre gripping subassembly, the utility model discloses a motion adjustment mechanism is more stable and high-efficient, has especially increased the motion regulation of Y axle (rotation axis) position, is suitable for the polishing operation to use, uses the back, can improve the quality of work piece polishing operation.

The technical scheme of the utility model as follows:

a motion control mechanism of a workpiece clamping component for a polishing machine comprises the workpiece clamping component; the method is characterized in that: one end of a rotating shaft is connected with the workpiece clamping component, and the other end of the rotating shaft is connected with a gear which is meshed and driven by a rack, so that a rotating shaft rotating motion mechanism of the workpiece clamping component is formed; the rotating shaft rotary motion mechanism of the workpiece clamping assembly is also provided with an X-axis movable plate, the X-axis movable plate is connected with an X-axis motion block which is arranged on an X-axis fixed plate and connected to a synchronous belt, and the synchronous belt is driven by a driving part, so that the X-axis motion mechanism of the workpiece clamping assembly is formed;

the workpiece clamping assembly comprises a workpiece clamping fixing plate, the lower end of the workpiece clamping fixing plate is connected with a lower fixing plate, a rotating seat driven by a workpiece rotating drive motor is arranged on the lower fixing plate, and the upper end of the workpiece clamping fixing plate is connected with an upper fixing plate in a sliding manner; the upper fixing plate is L-shaped, the upper fixing plate is composed of a part parallel to the workpiece clamping fixing plate and a part vertical to the workpiece clamping fixing plate which are connected with each other, and a clamping die is arranged below the vertical part of the workpiece clamping fixing plate.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: the workpiece clamping assembly is connected with a rotating shaft of a rotating shaft rotating motion mechanism of the workpiece clamping assembly through a fixing plate of the workpiece clamping assembly, the rotating shaft rotating motion mechanism comprises an X-axis movable plate, one end of the rotating shaft penetrates through the X-axis movable plate to be connected with the fixing plate of the workpiece clamping assembly on one side of the X-axis movable plate, and the other end of the rotating shaft is connected with a gear; a rack is driven to perform linear motion through a driving mechanism, and the rack is meshed with the gear.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: a rotating shaft driving motor is arranged and fixedly installed, a rotating shaft of the rotating shaft driving motor is connected with a driving screw rod, and the screw rod is in threaded connection with a screw rod nut; the screw nut is fixedly connected to the first fixing plate, the upper end of the first fixing plate is connected with the second fixing plate, and the rack is connected to the front of the first fixing plate or the front of the second fixing plate.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: and a sliding block is connected below the second fixing plate and is connected on a mounting plate of the rotating shaft driving motor in a sliding manner.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: the driving tooth part of the rack is downward, the upper end face of the rack is a plane, the meshing clearance adjusting cylinder is arranged above the rack, the meshing clearance adjusting cylinder drives the bearing to press the upper end face of the rack, and the meshing clearance between the rack and the gear is effectively adjusted.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: still set up a Y axle clearance adjusting cylinder on this mounting panel, this Y axle clearance adjusting cylinder's telescopic link is connected the second fixed plate.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: the X-axis movement mechanism of the workpiece clamping assembly comprises an X-axis movable plate and an X-axis fixed plate, wherein a synchronous belt is arranged on the X-axis fixed plate, one end of the synchronous belt is wound and connected with a driving wheel, the driving wheel is connected and driven by an X-axis driving motor, the other end of the synchronous belt is wound and connected with an auxiliary wheel, an X-axis movement block is connected onto the synchronous belt, and the X-axis movement block is connected with the X-axis movable plate.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: an X-axis cylinder is further arranged on the X-axis fixed plate, and a telescopic rod of the X-axis cylinder is connected with the X-axis moving block.

The motion control mechanism of the workpiece clamping component for the polishing machine is characterized in that: the X-axis fixed plate is also provided with an X-axis slide rail, the X-axis slide rail is provided with a plurality of X-axis slide blocks, the connecting surfaces of the X-axis slide blocks and the connecting surfaces of the X-axis moving blocks can be positioned on the same plane, and the X-axis moving plates are connected with the connecting parts through the connecting surfaces.

By the technical scheme, the utility model has the advantages of as follows:

1. when the utility model is used, the movement adjustment of the workpiece clamping component for the polishing machine at the X-axis and Y-axis (rotating shaft) positions can be realized; compare with current operating personnel hand-held mode, its operating stability and security have absolute advantage, compare with current adjustable position's centre gripping subassembly, the utility model discloses a motion adjustment mechanism is more stable and high-efficient, has especially increased the motion regulation of Y axle (rotation axis) position, is suitable for the polishing operation to use, uses the back, can improve the quality of work piece polishing operation.

2. The utility model provides a centre gripping subassembly simple structure, convenient operation is suitable for centre gripping work piece in the polishing operation.

3. In the utility model, the X-axis linear motion adjustment adopts flexible operation including synchronous belt motion, and the Y-axis (rotating shaft) motion adopts rigid operation of a rack and a gear; from the operating position, the X-axis linear motion adjustment is positioned at the far end of the clamping assembly, so that the unexpected conditions of sudden jump of the driving mechanism and the like can be avoided, the unexpected motion is offset or buffered, and the motion control mechanism is operated stably.

4. The utility model provides a X axle linear motion adjusts on the basis of hold-in range, still cooperates and sets up the X axle cylinder, and the X axle motion piece is connected to the telescopic link of this X axle cylinder. Further plays a role in soft adjustment.

5. The utility model discloses a Y axle (rotation axis) rotation control adopts motor drive's rack, gear, deuterogamies the fine setting of adjust cylinder on this basis, and motion control stability is strengthened.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a Y-axis (rotation axis) rotation mechanism of a workpiece holding assembly according to a preferred embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic structural view of an X-axis movement mechanism of a workpiece holding assembly according to a preferred embodiment of the present invention.

Fig. 5 is a schematic structural view of an X-axis movement mechanism of another workpiece clamping assembly according to the present invention.

Fig. 6 is a schematic structural diagram of another X-axis moving mechanism of the workpiece clamping assembly according to the present invention.

In the figure: 1-X axis drive motor; 2-Y axis (rotation axis) drive motor; 3-a workpiece rotation drive motor; 31-a rotating base; 4-a workpiece clamping cylinder; 5-a workpiece; 6-clamping and fixing the workpiece; 61-lower fixing plate; 62-upper fixing plate; 63-clamping the mold; 7-X axis movable plate; 8-X axis fixed plate; 9-Y axis gap adjusting cylinder; 10-a meshing clearance adjusting cylinder; 11-an auxiliary wheel; 12-a synchronous belt; 13-a gear; 14-a rack; 15-a lead screw; a 16-X axis cylinder; a-a guide block; b-rotating the block; 17-a feed screw nut; 18-a first fixing plate; 19-a second fixing plate; 20-a bearing; 21-a rotating shaft; 22-a slide block; 23-mounting a plate; a 24-X axis motion block; 25-X axis slide; 26-X axis slide rail.

Detailed Description

The invention is further described with reference to the following drawings and specific examples.

Referring to fig. 1-4, the present invention discloses a motion control mechanism for a workpiece clamping assembly for a polishing machine. As shown in the figure: the device comprises a workpiece clamping component, a Y-axis (rotating shaft) rotary motion mechanism of the workpiece clamping component and an X-axis motion mechanism of the workpiece clamping component. The following detailed description of each mechanism of the utility model is as follows:

referring to fig. 1, the workpiece clamping assembly includes a workpiece clamping fixing plate 6, a lower fixing plate 61 is connected to a lower end of the workpiece clamping fixing plate 6, the lower fixing plate 61 has a rotary seat 31 driven by a workpiece rotation driving motor 3, and an upper end of the workpiece clamping fixing plate 6 is slidably connected to an upper fixing plate 62; the upper fixing plate 62 is L-shaped, and the upper fixing plate 62 has a portion parallel to the work clamp fixing plate 6 and a portion perpendicular thereto, and a clamp die 63 is provided below the perpendicular portion to the work clamp fixing plate.

When the clamping device is used, the workpiece 5 is arranged between clamping openings formed by the upper fixing plate 62 and the lower fixing plate 61, the lower end of the workpiece 5 is placed on the rotating seat 31, and the upper fixing plate 62 is controlled by the control mechanism to slide and the clamping die 63 is enabled to press the upper end of the workpiece 5. When the workpiece rotation driving motor 3 is started, the workpiece 5 can be driven to rotate between the jaws.

As a usable mode, the upper fixing plate 62 is slidably connected to the workpiece clamping fixing plate 6 by a structure of a slide block fitting a slide rail. The upper fixed plate 62 may be driven by a pneumatic cylinder or a motor connection.

Referring to fig. 2 and 3, the workpiece clamping assembly is connected to a rotating shaft 21 of a Y-axis (rotating shaft) rotating mechanism of the workpiece clamping assembly through a fixing plate 6 of the workpiece clamping assembly, and the rotating shaft 21 can be driven by the Y-axis (rotating shaft) rotating mechanism to rotate, so as to rotate the workpiece clamping assembly. The Y-axis (rotation axis) rotation movement mechanism comprises an X-axis movable plate 7, one end of a rotation axis 21 penetrates through the X-axis movable plate 7 to be connected with a fixed plate 6 of a workpiece clamping assembly on one side of the X-axis movable plate 7, and the other end of the rotation axis 21 (on the other side of the X-axis movable plate 7) is connected with a gear 13, that is, the rotation of the gear 13 can drive the fixed plate 6 to rotate through the rotation axis 21 (i.e. the workpiece clamping assembly rotates around the Y axis). As a driving manner of the gear 13, a rack 14 is driven by a driving mechanism to perform a linear motion, the rack 14 can be meshed with the gear 13, the linear motion of the rack 14 can drive the gear 13 to rotate, and the rotation of the gear 13 can drive the fixing plate 6 to rotate (i.e. the workpiece clamping assembly rotates around the Y axis) through the rotating shaft 21. More specifically, a Y-axis (rotation axis) driving motor 2 is provided, the Y-axis (rotation axis) driving motor 2 is fixedly installed, the rotation axis of the Y-axis (rotation axis) driving motor 2 is connected with a driving lead screw 15, the lead screw 15 is in threaded connection with a lead screw nut 17 (if the lead screw nut 17 is limited to rotate radially, the rotation of the lead screw 15 can drive the axial movement of the lead screw nut 17); the lead screw nut 17 is fixedly connected to a first fixing plate 18, the upper end of the first fixing plate 18 is connected to a second fixing plate 19, the rack 14 is connected to the front of the first fixing plate 18 or the second fixing plate 19, a slider 22 is connected to the lower part of the second fixing plate 19, and the slider 22 can be slidably connected to a mounting plate 23 of the Y-axis (rotation axis) driving motor 2. The driving tooth part of the rack 14 is downward, the upper end surface of the rack 14 is a plane, the meshing clearance adjusting cylinder 10 is arranged above the rack 14, and the meshing clearance adjusting cylinder 10 can drive the bearing 20 to press on the upper end surface of the rack 14, so that the meshing clearance between the rack 14 and the gear 13 is effectively adjusted. The mounting plate 23 is further provided with a Y-axis gap adjusting cylinder 9, and a telescopic rod of the Y-axis gap adjusting cylinder 9 is connected with the second fixing plate 19, and can drive the second fixing plate 19 to cooperate with the slider 22 to drive the rack 14 to move. The double-driving mode of the rack 14 can also ensure that the rotating shaft 21 is stably driven, and the Y-axis gap adjusting cylinder 9 can also play a role in finely adjusting the movement position of the rack 14.

The motion process of the Y axis (rotating shaft) is as follows: the Y-axis (rotating shaft) driving motor 2 is started to drive the screw rod 15, the screw rod 15 moves to drive the screw nut 17 to further drive the rack 14 to move forwards and backwards, the rack 14 moves forwards and backwards to drive the gear 13 meshed with the rack 14 to rotate, and the rotation of the gear 13 further enables the fixing plate 6 to rotate through the rotating shaft 21.

Referring to fig. 5, the X-axis movement mechanism of the workpiece clamping assembly includes an X-axis movable plate 7 and an X-axis fixed plate 8, a synchronous belt 12 is disposed on the X-axis fixed plate 8, one end of the synchronous belt 12 is wound around and connected to a driving wheel, the driving wheel is driven by an X-axis driving motor 1, the other end of the synchronous belt 12 is wound around and connected to an auxiliary wheel 11, an X-axis movement block 24 is connected to the synchronous belt 12, and the X-axis movement block 24 is connected to the X-axis movable plate 7. In order to play a soft adjusting role, the X-axis fixed plate 8 is also provided with an X-axis cylinder 16, and the telescopic rod of the X-axis cylinder 16 is connected with an X-axis motion block 24. As a variation, as shown in fig. 5: the X-axis driving motor 1 drives one end of the synchronous belt 12 through the driving wheel set, so that the kick phenomenon when the X-axis driving motor 1 is started or stopped can be avoided, and the damage to a machined workpiece is avoided. The utility model discloses in, select among the X axle motion of work piece centre gripping subassembly to use hold-in range 12, it is softer than screw drive, the more suitable polishing operation. Preferably, the X-axis fixed plate 8 is further provided with X-axis slide rails 26 (two parallel rails are arranged as shown in fig. 4), the X-axis slide rails 26 are provided with a plurality of X-axis sliders 25, the connection surfaces of the X-axis sliders 25 and the connection surfaces of the X-axis moving blocks 24 can be in the same plane, and the connection surfaces and the connection members can be connected with the X-axis moving plate 7.

The motion process of the X axis is as follows: the X-axis driving motor 1 starts the transmission synchronous belt 12, the synchronous belt 12 drives the X-axis motion block 24 to move forwards and backwards, and then the X-axis motion plate 7 is driven to move forwards and backwards. Preferably, the X-axis cylinder 16 pushes on the X-axis motion block 24 to perform a soft adjustment function.

The utility model discloses during the use, can realize the regulation of burnishing machine work piece centre gripping subassembly (X, Y axle) position, the nature controlled is stronger, easily masters, can ensure the accuracy of 5 processing positions of work piece, improves product quality.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A motion control mechanism of a workpiece clamping component for a polishing machine comprises the workpiece clamping component; the method is characterized in that: one end of a rotating shaft is connected with the workpiece clamping component, and the other end of the rotating shaft is connected with a gear which is meshed and driven by a rack, so that a rotating shaft rotating motion mechanism of the workpiece clamping component is formed; the rotating shaft rotary motion mechanism of the workpiece clamping assembly is also provided with an X-axis movable plate, the X-axis movable plate is connected with an X-axis motion block which is arranged on an X-axis fixed plate and connected to a synchronous belt, and the synchronous belt is driven by a driving part, so that the X-axis motion mechanism of the workpiece clamping assembly is formed;

2. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 1, characterized in that: the workpiece clamping assembly is connected with a rotating shaft of a rotating shaft rotating motion mechanism of the workpiece clamping assembly through a fixing plate of the workpiece clamping assembly, the rotating shaft rotating motion mechanism comprises an X-axis movable plate, one end of the rotating shaft penetrates through the X-axis movable plate to be connected with the fixing plate of the workpiece clamping assembly on one side of the X-axis movable plate, and the other end of the rotating shaft is connected with a gear; a rack is driven to perform linear motion through a driving mechanism, and the rack is meshed with the gear.

3. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 2, characterized in that: a rotating shaft driving motor is arranged and fixedly installed, a rotating shaft of the rotating shaft driving motor is connected with a driving screw rod, and the screw rod is in threaded connection with a screw rod nut; the screw nut is fixedly connected to the first fixing plate, the upper end of the first fixing plate is connected with the second fixing plate, and the rack is connected to the front of the first fixing plate or the front of the second fixing plate.

4. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 3, characterized in that: and a sliding block is connected below the second fixing plate and is connected on a mounting plate of the rotating shaft driving motor in a sliding manner.

5. The movement control mechanism of a workpiece holding assembly for a polishing machine according to claim 1, 2, 3 or 4, characterized in that: the driving tooth part of the rack is downward, the upper end face of the rack is a plane, the meshing clearance adjusting cylinder is arranged above the rack, the meshing clearance adjusting cylinder drives the bearing to press the upper end face of the rack, and the meshing clearance between the rack and the gear is effectively adjusted.

6. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 4, characterized in that: still set up a Y axle clearance adjusting cylinder on this mounting panel, this Y axle clearance adjusting cylinder's telescopic link is connected the second fixed plate.

7. The movement control mechanism of a workpiece holding assembly for a polishing machine according to claim 1, 2, 3 or 4, characterized in that: the X-axis movement mechanism of the workpiece clamping assembly comprises an X-axis movable plate and an X-axis fixed plate, wherein a synchronous belt is arranged on the X-axis fixed plate, one end of the synchronous belt is wound and connected with a driving wheel, the driving wheel is connected and driven by an X-axis driving motor, the other end of the synchronous belt is wound and connected with an auxiliary wheel, an X-axis movement block is connected onto the synchronous belt, and the X-axis movement block is connected with the X-axis movable plate.

8. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 7, characterized in that: an X-axis cylinder is further arranged on the X-axis fixed plate, and a telescopic rod of the X-axis cylinder is connected with the X-axis moving block.

9. The motion control mechanism of a workpiece holding assembly for a polishing machine according to claim 7, characterized in that: the X-axis fixed plate is also provided with an X-axis slide rail, the X-axis slide rail is provided with a plurality of X-axis slide blocks, the connecting surfaces of the X-axis slide blocks and the connecting surfaces of the X-axis moving blocks can be positioned on the same plane, and the X-axis moving plates are connected with the connecting parts through the connecting surfaces.