CN211760645U - A workpiece clamping assembly for a polishing machine - Google Patents

Abstract

The utility model discloses a work piece centre gripping subassembly for burnishing machine, its characterized in that: the workpiece clamping device comprises a workpiece clamping fixing plate, wherein the lower end of the workpiece clamping fixing plate is connected with a lower fixing plate, a rotating seat driven by a workpiece rotating driving motor is arranged on the lower fixing plate, the upper end of the workpiece clamping fixing plate is connected with an upper fixing plate, a workpiece clamping cylinder is arranged at the upper end of the upper fixing plate, and the lower end of a cylinder telescopic rod of the workpiece clamping cylinder is connected with a guide block through a rotating block. Compared with the existing hand-held mode of operators, the operation stability and safety of the polishing machine have absolute advantages, and after the polishing machine is used, the quality of workpiece polishing operation can be improved.

Description

A workpiece clamping assembly for a polishing machine

technical field

The utility model relates to equipment for polishing, in particular to a workpiece clamping component for a polishing machine.

Background technique

In the process of forming the thermos cup or pot, it needs to go through a number of processes such as pipe cutting, rolling, water expansion, segmentation, necking, reverse side, polishing, painting, etc. Among them, polishing is the last process of the thermos cup forming. One of them has a great influence on the appearance and use effect of the product.

The original polishing process is mainly manual polishing, that is, the operator needs to hold the cup body and turn the place to be polished towards the polishing machine for polishing. The hand-polished products have the following problems: 1. The texture of the body is uneven and the texture is twill. 2. The brightness is inconsistent; 3. The industry has high requirements for polishing skilled workers; 5. The production cost is high; 6. It is not conducive to the planning of the factory area, so it is necessary to develop a polishing machine that automatically adjusts the position of the cup body.

Utility model content

The purpose of the present utility model is to provide a workpiece clamping assembly for a polishing machine, which mainly solves the technical problems existing in the above-mentioned prior art, and has absolute advantages in operation stability and safety compared with the prior hand-held method by operators. , after use, can improve the quality of workpiece polishing operation.

The technical scheme of the present utility model is as follows:

A workpiece clamping assembly for a polishing machine is characterized in that: it includes a workpiece clamping and fixing plate, the lower end of the workpiece clamping and fixing plate is connected with a lower fixing plate, and the lower fixing plate is connected and driven by a workpiece rotating drive motor. The upper end of the workpiece clamping and fixing plate is connected with an upper fixing plate, the upper end of the upper fixing plate is provided with a workpiece clamping cylinder, and the lower end of the cylinder telescopic rod of the workpiece clamping cylinder is connected to a guide block through a rotating block.

The workpiece clamping assembly for a polishing machine is characterized in that: the workpiece clamping assembly is connected with a rotating shaft of a rotary shaft rotary motion mechanism of a workpiece clamping assembly through its fixing plate, and the rotary shaft rotary motion mechanism includes X Axis moving plate, one end of the rotating shaft passes through the X-axis moving plate and is connected to the fixed plate of the workpiece clamping assembly on one side of the X-axis moving plate, and the other end of the rotating shaft is connected with the gear; a rack is driven by the driving mechanism to perform a straight line Movement, the rack meshes with the gear.

The workpiece clamping assembly for a polishing machine is characterized in that: a rotating shaft driving motor is provided, the rotating shaft driving motor is fixedly installed, and the rotating shaft of the rotating shaft driving motor is connected with a driving lead screw, and the lead screw is connected with the lead screw nut. screw connection; the lead screw nut is fixedly connected to the first fixing plate, the upper end of the first fixing plate is connected to the second fixing plate, and the front of the first fixing plate or the second fixing plate is connected to the rack.

The workpiece clamping assembly for a polishing machine is characterized in that a sliding block is connected under the second fixing plate, and the sliding block is slidably connected on the mounting plate of the rotating shaft driving motor.

The workpiece clamping assembly for a polishing machine is characterized in that: the driving tooth portion of the rack is downward, the upper end surface of the rack is flat, and a meshing clearance adjusting cylinder is arranged above the rack, and the meshing clearance adjusting cylinder drives the The bearing is pressed on the upper end face of the rack to effectively adjust the meshing clearance between the rack and the gear.

The workpiece clamping assembly for a polishing machine is characterized in that a Y-axis clearance adjusting cylinder is further arranged on the mounting plate, and the telescopic rod of the Y-axis clearance adjusting cylinder is connected to the second fixing plate.

By the above-mentioned technical scheme, the utility model has the following advantages:

1. The clamping assembly of the present invention is simple in structure and convenient in operation, and is suitable for clamping workpieces in polishing operations.

2. The clamping assembly of the present invention is favorable for cooperating with the rotating shaft adjusting device to realize the rotating adjustment.

Description of drawings

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

2 is a schematic structural diagram of a workpiece clamping assembly in a preferred embodiment of the present invention.

3 is a schematic structural diagram of a Y-axis (rotating axis) rotary motion mechanism of the workpiece clamping assembly in a preferred embodiment of the present invention.

FIG. 4 is a partial enlarged view of FIG. 3 .

5 is a schematic structural diagram of the X-axis motion mechanism of the workpiece clamping assembly in a preferred embodiment of the present invention.

6 is a schematic structural diagram of an X-axis motion mechanism of another workpiece clamping assembly of the present invention.

In the figure: 1-X-axis drive motor; 2-Y-axis (rotating axis) drive motor; 3-workpiece rotation drive motor; 31-rotating seat; 4-workpiece clamping cylinder; 5-workpiece; 6-workpiece clamping and fixing plate; 61-lower fixed plate; 62-upper fixed plate; 7-X-axis moving plate; 8-X-axis fixed plate; 9-Y-axis clearance adjustment cylinder; 10-engaging clearance adjustment cylinder; 11-auxiliary wheel; 12- Timing belt; 13-gear; 14-rack; 15-screw; 16-X-axis cylinder; A-guide block; B-rotation block; 17-screw nut; 18-first fixing plate; 19-second Fixed plate; 20-bearing; 21-rotating shaft; 22-slider; 23-installation plate; 24-X-axis motion block; 25-X-axis slider; 26-X-axis slide rail.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-5, this example discloses a motion control mechanism for a workpiece clamping assembly for a polishing machine. As shown in the figure: it includes the workpiece clamping assembly, the Y-axis (rotation axis) rotary motion mechanism of the workpiece clamping assembly, and the X-axis motion mechanism of the workpiece clamping assembly. Each mechanism of the present utility model is described in detail below:

Please refer to FIGS. 1 and 2 , the workpiece clamping assembly includes a workpiece clamping and fixing plate 6 , and a lower fixing plate 61 is connected to the lower end of the workpiece clamping and fixing plate 6 . The driven rotary base 31, the upper end of the workpiece clamping and fixing plate 6 is connected with an upper fixing plate 62, the upper end of the upper fixing plate 62 is provided with a workpiece clamping cylinder 4, and the lower end of the cylinder telescopic rod of the workpiece clamping cylinder 4 passes through the rotating block. B is connected to the guide block A.

When in use, the workpiece 5 is set between the jaws 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 cylinder telescopic rod of the workpiece clamping cylinder 4 is controlled by the control mechanism to move to the side. Protrude downward and press the upper end of the workpiece 5 through the rotating block B and the guide block A. When the workpiece rotation driving motor 3 is activated, the workpiece 5 can be driven to rotate between the jaws.

Please refer to Figures 3 and 4, the workpiece clamping assembly is connected to the rotating shaft 21 of the Y-axis (rotational axis) rotary motion mechanism of a workpiece clamping assembly through its fixing plate 6, and the rotating shaft 21 can be controlled by the Y-axis (rotating shaft). ) The rotary motion mechanism drives the rotation, thereby making the workpiece clamping assembly rotate. The Y-axis (rotational axis) rotary motion mechanism includes an X-axis moving plate 7. One end of the rotating shaft 21 passes through the X-axis moving plate 7 and is connected to the fixed plate 6 of the workpiece clamping assembly on the side of the X-axis moving plate 7. The rotation The other end of the shaft 21 (located on the other side of the X-axis moving plate 7) is connected to the gear 13, that is to say, the rotation of the gear 13 can drive the fixed plate 6 to rotate through the rotating shaft 21 (that is, the workpiece clamping assembly rotates around the Y-axis) . As the driving method of the gear 13, it includes driving a rack 14 to perform linear motion through the driving mechanism. The rack 14 can mesh with the gear 13, and the linear motion of the rack 14 will drive the gear 13 to rotate, and the rotation of the gear 13 can be rotated by rotating. The shaft 21 drives the fixed plate 6 to rotate (ie, the workpiece clamping assembly rotates around the Y axis). More specifically, a Y-axis (rotating axis) driving motor 2 is provided, the Y-axis (rotating axis) driving motor 2 is fixedly installed, and the rotating shaft of the Y-axis (rotating axis) driving motor 2 is connected to the driving screw 15, and the wire The screw 15 is screwed with the screw nut 17 (if the radial rotation of the screw nut 17 is restricted, the rotation of the screw 15 can drive the axial movement of the screw nut 17); the screw nut 17 is fixedly connected to the first fixed On the plate 18, the upper end of the first fixed plate 18 is connected to the second fixed plate 19, the front of the first fixed plate 18 or the second fixed plate 19 is connected to the rack 14, and the bottom of the second fixed plate 19 is connected to the slider 22, the sliding The block 22 can be slidably connected on the mounting plate 23 of the Y-axis (rotational axis) drive motor 2 . The driving tooth portion of the rack 14 is downward, the upper end surface of the rack 14 is flat, and a 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 rack 14 The end face can effectively adjust the meshing clearance between the rack 14 and the gear 13 . The mounting plate 23 is also provided with a Y-axis clearance adjustment cylinder 9 , the telescopic rod of the Y-axis clearance adjustment cylinder 9 is connected to the second fixing plate 19 , and the rack 14 can also be driven by driving the second fixing plate 19 to cooperate with the slider 22 exercise. The dual drive mode of the rack 14 can also ensure that the rotating shaft 21 is driven smoothly, and the Y-axis clearance adjustment cylinder 9 can also play a role in fine-tuning the moving position of the rack 14 .

The movement process of the Y axis (rotating axis) is: the Y axis (rotating axis) drives the motor 2 to start driving the lead screw 15, and the movement of the lead screw 15 drives the lead screw nut 17 to further drive the front and rear movement of the rack 14. , and then move backward to drive the gear 13 meshing with the rack 14 to rotate, and the rotation of the gear 13 further rotates the fixed plate 6 through the rotating shaft 21 .

Please refer to FIG. 5 , the X-axis motion mechanism of the workpiece clamping assembly includes an X-axis moving plate 7 and an X-axis fixed plate 8 . The X-axis fixed plate 8 is provided with a synchronous belt 12 , and one end of the synchronous belt 12 is connected around The drive wheel is connected and driven by the X-axis drive motor 1, the other end of the synchronous belt 12 is wound around the connecting auxiliary wheel 11, the synchronous belt 12 is connected to the X-axis moving block 24, and the X-axis moving block 24 is connected to the X-axis moving plate 7. In order to play the role of soft adjustment, 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 to the X-axis moving block 24 . As a variation, as shown in FIG. 6 : the X-axis drive motor 1 drives one end of the synchronous belt 12 through the drive wheel group, so as to avoid the sudden jump phenomenon when the X-axis drive motor 1 starts or stops, and avoids machining workpieces. cause damage. In the present invention, the synchronous belt 12 is selected to be used in the X-axis motion mechanism of the workpiece clamping assembly, which is softer than the screw drive and more suitable for polishing operations. As a preferred way, the X-axis fixed plate 8 is also provided with X-axis sliding rails 26 (two parallelly arranged as shown in FIG. 5 ), and several X-axis sliding blocks 25 are provided on the X-axis sliding rails 26. These X-axis sliding blocks The connecting surface of 25 and the connecting surface of the X-axis moving block 24 can be in the same plane, and the connection with the X-axis moving plate 7 can be realized through the connecting surface and the connecting part.

The movement process of the X-axis is: the X-axis drive motor 1 starts to drive the synchronous belt 12, and the synchronous belt 12 drives the X-axis moving block 24 to move forward and backward, thereby driving the X-axis moving plate 7 to move forward and backward. Preferably, the X-axis air cylinder 16 pushes on the X-axis moving block 24 for soft adjustment.

When the utility model is used, the position of the workpiece clamping component (X, Y axis) of the polishing machine can be adjusted, the controllability is strong, and it is easy to grasp, which can ensure the accuracy of the machining position of the workpiece 5 and improve the product quality.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to Other related technical fields are similarly included within the scope of patent protection of the present invention.

Claims (6)

1. A workpiece clamping assembly for a polishing machine is characterized in that: it comprises a workpiece clamping and fixing plate, and the lower end of this workpiece clamping and fixing plate is connected with a lower fixing plate, and this lower fixing plate has a rotating drive motor connected by the workpiece. The upper end of the workpiece clamping and fixing plate is connected with an upper fixing plate, the upper end of the upper fixing plate is provided with a workpiece clamping cylinder, and the lower end of the cylinder telescopic rod of the workpiece clamping cylinder is connected to the guide block through the rotating block. 2 . The workpiece clamping assembly for a polishing machine according to claim 1 , wherein the workpiece clamping assembly is connected to a rotating shaft of a rotary shaft rotary motion mechanism of a workpiece clamping assembly through its fixing plate, and the rotating The shaft rotary motion mechanism includes an X-axis moving plate, one end of the rotating shaft passes through the X-axis moving plate and is connected to the fixed plate of the workpiece clamping assembly on one side of the X-axis moving plate, and the other end of the rotating shaft is connected with the gear; through the driving mechanism A rack is driven for linear motion, and the rack meshes with the gears. 3. The workpiece clamping assembly for a polishing machine according to claim 2, wherein a rotating shaft driving motor is provided, the rotating shaft driving motor is fixedly installed, and the rotating shaft of the rotating shaft driving motor is connected to the driving screw, the The lead screw is screwed with the lead screw nut; the lead screw nut is fixedly connected to the first fixing plate, the upper end of the first fixing plate is connected to the second fixing plate, and the front of the first fixing plate or the second fixing plate is connected to the rack. 4 . The workpiece clamping assembly for a polishing machine according to claim 3 , wherein a slider is connected under the second fixing plate, and the slider is slidably connected on the mounting plate of the rotating shaft drive motor. 5 . 5. The workpiece clamping assembly for a polishing machine according to claim 1 or 2 or 3 or 4, wherein the driving tooth portion of the rack is downward, the upper end surface of the rack is flat, and the upper part of the rack is arranged There is a meshing clearance adjusting cylinder, and the driving bearing of the meshing clearance adjusting cylinder is pressed on the upper end face of the rack to effectively adjust the meshing clearance between the rack and the gear. 6 . The workpiece clamping assembly for a polishing machine according to claim 4 , wherein a Y-axis clearance adjusting cylinder is further provided on the mounting plate, and the telescopic rod of the Y-axis clearance adjusting cylinder is connected to the second fixed cylinder. 7 . plate.

Images