Three-axis positioner for grinding equipment

Abstract

The utility model relates to a three-axis positioner for grinding equipment. The three-axis positioner comprises a mounting base, an A-axis rotary support, a brake disc, a pneumatic brake, a large arm, a B rotating shaft, a shaft locker, a small arm, a brake disc, a hollow air cylinder, a C-axis rotary support, a rotating ring, a tool plate and the like. The A-axis rotation support is installed on the base, the pneumatic brakes are installed on the installation base, the two pneumatic brakes are located on the two sides of the brake disc respectively, and braking of the A axis is achieved through pneumatic control; the rotating shaft B is connected with the large arm through a shaft locker, so that the rotating shaft B can be locked; the brake disc is in contact with and separated from the rotating ring through pneumatic control, so that the rotating ring is locked and released; the tool plate is installed on the rotating ring and can rotate freely along with rotation of the three shafts. By utilizing a pneumatic control system, the positions of the three shafts can be rapidly adjusted, and rapid displacement of a workpiece is realized; the pneumatic system is quick in response and simple and convenient to operate, and has the characteristics of lower failure rate and long service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to abrasive belt polishing technical field relates to a three -axis positioner for polishing equipment. BACKGROUND

[0002] The existing tooling matched with the abrasive belt polishing equipment cannot achieve arbitrary displacement for the edge, corner and surface of special-shaped workpieces, and the transformation speed and precision among the edge, corner and surface of the workpiece are very unsatisfactory, and a large amount of time and energy is often needed to adjust the position, which seriously affects the use efficiency and polishing effect of the polishing equipment. UTILITY MODEL CONTENTS

[0003] In order to overcome the problem that the existing tooling matched with the abrasive belt polishing equipment cannot achieve arbitrary displacement for the edge, corner and surface of the workpiece, and the transformation speed and precision among the edge, corner and surface of the workpiece are very unsatisfactory, the utility model provides a three -axis positioner for polishing equipment, which is installed on the frame of the equipment and can quickly and arbitrarily adjust the position of the edge, corner and surface of the workpiece to the position directly below the abrasive belt.

[0004] The technical scheme employed by the utility model is as follows:

[0005] A three -axis positioner for polishing equipment, comprising a mounting base, an A-axis rotary support, a brake disc, a pneumatic brake, a large arm, a shaft locking device, a B-axis rotary shaft, a copper sleeve, a shaft retaining ring, a small arm, a guide block, a brake disc, a hollow air cylinder, a cylinder mounting plate, a C-axis rotary support, a rotating ring and a tooling plate, the A-axis rotary support is installed on the mounting base, the brake disc is installed on the A-axis rotary support, two pneumatic brakes are connected with the mounting base and located on both sides of the brake disc, the large arm is installed on the brake disc, the shaft locking device is connected with the large arm, the B-axis rotary shaft is installed on the shaft locking device through the copper sleeves on both sides, the shaft retaining ring is installed at the end of the B-axis rotary shaft, the small arm is installed on the B-axis rotary shaft, the brake disc is connected with the piston rod of the hollow air cylinder through the guide block, the hollow air cylinder is connected with the small arm through the cylinder mounting plate, the fixed end of the C-axis rotary support is installed on the small arm, the rotating ring is installed on the rotating end of the C-axis rotary support, and the tooling plate is installed on the rotating ring.

[0006] For further realizing the utility model purposes, the brake of the brake disc selects a pneumatic brake, and is symmetrically installed, and the brake disc is clamped, so that the brake of the brake disc is realized; the brake of the B rotating shaft selects a shaft locking device, and is pneumatically controlled, and the air pressure is adjustable; the rotation of the B rotating shaft uses the copper sleeve as a support, and fully utilizes the wear resistance and self-lubricating characteristics of the copper sleeve; the axial fixation of the B rotating shaft uses a shaft blocking ring, so as to prevent the axial movement of the B rotating shaft; the brake of the rotating ring selects a hollow air cylinder, and is pneumatically controlled, and the air pressure is adjustable; the brake disc realizes the contact and separation with the rotating ring by using the piston rod of the hollow air cylinder; the brake of the rotating ring is realized by the friction braking force generated by the brake disc pressing the rotating ring; the hollow air cylinder, the cylinder mounting plate, the C shaft rotary support, the rotating ring and the inner wall of the tool plate are hollow structures, so that the air pipe can be led out from below the displacer to above the tool plate, and the air source required by the tool clamp is met.

[0007] The utility model has the advantages of the following:

[0008] 1. The three-axis displacer adopts the rotary supports of A shaft, B shaft and C shaft and a pneumatic control system, can realize the rapid displacement of the workpiece, and adjusts the position of the workpiece to the position directly below the abrasive belt.

[0009] 2. The pneumatic control system greatly improves the displacement speed, solves the problems of inconvenient workpiece adjustment and low efficiency in the traditional equipment.

[0010] 3. The combination of the pneumatic brake and the shaft locking device ensures the reliable clamping of the positioning of each shaft, reduces the dependence on manual operation, can quickly complete the locking and releasing of each shaft, and improves the efficiency and flexibility of operation.

[0011] 4. The three-axis displacer can flexibly adjust the posture of the workpiece through the combination of the rotary supports of A shaft, B shaft and C shaft, so that the polishing work at different positions and angles can be quickly completed, and the flexibility of workpiece displacement and the adaptability of workpiece processing are greatly improved.

[0012] 5. The tool plate is convenient for installing tool jigs of different specifications.

[0013] 6. The pneumatic control system has simple structure and is easy to adjust, so that the maintenance of the equipment is more convenient. In the use process, the pneumatic system can work stably for a long time at a low failure rate, reduces the maintenance period and maintenance cost, and improves the reliability of the equipment.

[0014] 7. Compared with the traditional electric control system, the pneumatic control system has higher energy efficiency, lower system energy consumption, and reduces noise and pollution, which meets the needs of modern environmental protection and energy saving.

[0015] This design not only reduces the production cost, but also reduces the impact on the environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in combination with the drawings:

[0017] Figure 1 It is a three-shaft positioner assembly drawing for polishing equipment.

[0018] Figure 2 It is a three-shaxe positioner partial explosion drawing for polishing equipment.

[0019] Figure 3 It is a polishing equipment structure schematic view.

[0020] In the drawing, 1 is a mounting base; 2 is an A-shaft rotary support; 3 is a brake disc; 4 is a pneumatic brake; 5 is a large arm; 6 is a shaft locking device; 7 is a B-shaft; 8 is a copper sleeve; 9 is a shaft blocking ring; 10 is a small arm; 11 is a guide block; 12 is a brake disc; 13 is a hollow air cylinder; 14 is an air cylinder mounting plate; 15 is a C-shaft rotary support; 16 is a rotating ring; 17 is a tool plate; 18 is a three-shaft positioner for polishing equipment. DETAILED DESCRIPTION

[0021] The A-shaft rotary support 2 is installed on the mounting base 1, the brake disc 3 is installed on the A-shaft rotary support 2, two pneumatic brakes 4 are connected with the mounting base 1 and are located on both sides of the brake disc 3, the two pneumatic brakes 4 are symmetrically distributed and can simultaneously clamp the brake disc 3, so that the clamping balance is ensured, thereby realizing the braking of the brake disc 3 and maintaining the existing state, and the tool plate 17 can rotate with the A-shaft rotary support 2.

[0022] The large arm 5 is installed on the brake disc 3, the shaft locking device 6 is connected with the large arm 5, the B-shaft 7 is installed on the shaft locking device 6 through the two copper sleeves 8, the shaft blocking ring 9 is installed at the end of the B-shaft 7 to prevent the axial movement of the B-shaft 7, the small arm 10 is fixed with the B-shaft 7, the shaft locking device is pneumatically controlled and can realize the rapid clamping of the B-shaft 7, so that the small arm 10 is kept at the required position, and when the shaft locking device 6 is loosened, the small arm 10 can freely rotate along the center of the B-shaft 7.

[0023] The hollow air cylinder 13 is connected with the small arm 10 through the air cylinder mounting plate 14, the brake disc 12 is connected with the piston rod of the hollow air cylinder 13 through the guide block 11, the fixed end of the C shaft rotary support 15 is installed on the small arm 10, the rotary ring 16 is installed on the rotating end of the C shaft rotary support 15, the tool plate 17 is installed on the rotary ring 16, the inside of the air cylinder mounting plate 14 is provided with a guide groove, the guide block 11 can move axially along the inside guide groove of the air cylinder mounting plate 14, the stretching and retracting of the piston rod of the hollow air cylinder 13 can drive the stretching and retracting of the brake disc 12 through the guide block 11, so that the contact and separation of the brake disc 12 and the rotary ring 16 are realized, when the contact, the friction force is used to realize the braking of the rotary ring 16 and keep the existing state, when the separation, the rotary ring 16 can rotate freely, the tool plate 17 can rotate with the rotary ring 16, the inside walls of 13, 14, 15, 16 and 17 are hollow structures, the air pipe can be led out from below the positioner to above the tool plate, the air source required by the tool clamp is satisfied.

[0024] The rotation of the brake disc 3, the B rotating shaft 7 and the rotary ring 16 are all controlled by using the pneumatic control, the response is rapid, the operation is convenient, and the maintenance is simple.

Claims

1. A three-axis transducer for a grinding apparatus, characterized by: The utility model provides a kind of variable positioner, including installation base, A axis rotary support, brake disc, pneumatic brake, big arm, shaft locking device, B axis, copper bushing, shaft blocking ring, small arm, guide block, brake disc, hollow cylinder, cylinder mounting plate, C axis rotary support, rotating ring, tool plate, A axis rotary support is installed on installation base, brake disc is installed on A axis rotary support, two pneumatic brakes are connected with installation base, located brake disc both sides, big arm is installed on brake disc, shaft locking device is connected with big arm, B axis is installed on shaft locking device by both sides copper bushing, shaft blocking ring is installed at B axis end, small arm is installed on B axis, brake disc is connected with the piston rod of hollow cylinder by guide block, hollow cylinder is connected with small arm by cylinder mounting plate, the fixed end of C axis rotary support is installed on small arm, rotating ring is installed on the rotation end of C axis rotary support, tool plate is installed on rotating ring.

2. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The brake disc is braked by pneumatic brake, and is symmetrically installed to clamp the brake disc, so that the brake disc is braked.

3. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The B axis is braked by the shaft locking device, and is pneumatically controlled.

4. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The B axis is rotated by the copper bushing as support, and the wear resistance and self-lubricating properties of the copper bushing are fully utilized.

5. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The shaft blocking ring is used to prevent the axial movement of the B axis.

6. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The rotating ring is braked by the hollow cylinder, and is pneumatically controlled, and the air pressure is adjustable.

7. A three-axis transducer for a grinding apparatus according to claim 1, characterized in that: The guide block can move axially along the internal guide groove of the cylinder mounting plate, and the extension and retraction of the piston rod of the hollow cylinder can drive the extension and retraction of the brake disc, so that the brake disc and the rotating ring are in contact and separated. The inner wall of the hollow cylinder, the cylinder mounting plate, the C axis rotary support, the rotating ring and the tool plate are hollow structures, which facilitate the introduction of the air pipe from below the variable positioner to above the tool plate, and meet the air supply requirements of the tool clamp.

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