Hydraulic positioner

Abstract

The utility model discloses a hydraulic positioner which comprises a base, and an overturning adjusting module is installed on the base. The overturning adjusting module comprises a first air cylinder installed at the bottom of the base, the movable end of the first air cylinder is connected with a rotation angle adjusting module, and the rotation angle adjusting module is rotationally connected with the two sides of the upper portion of the base respectively. A pneumatic chuck is mounted on the rotation angle adjusting module; according to the utility model, the hydraulic driving system is adopted to adjust the turning displacement of the positioner, so that the stability of the positioner in long-time operation is improved, the operation precision is higher, the hydraulic driving system is suitable for heavy workpieces with higher load, the abrasion of parts of the positioner can be reduced when the positioner bears larger load, and the working efficiency is improved. And the service life of the positioner is prolonged, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a positioner technical field, concretely relates to a hydraulic positioner. BACKGROUND

[0002] The positioner is a kind of special welding auxiliary equipment, and it is suitable for welding positioner of rotary work, the movement of the parts of positioner driven by drive positioner is carried out, the positioning, rotation or overturning etc. Operation to workpiece is realized, to obtain ideal processing position and welding speed.Currently, the positioner is usually driven by mechanical structure to realize the driving of each component of positioner, and the angle adjusting precision is low, and since positioner needs to bear larger load, more abrasion can be generated by driving using mechanical structure, and the maintenance cost is higher.

[0003] Chinese patent CN2024204492466 discloses a rotary improved seat type positioner, servo motor and steering reducer are further installed on the positioner frame, servo motor is drivingly connected with steering reducer, steering reducer adopts worm reducer, pressure bearing is installed between workpiece fixing disc and positioner frame, steering gear is arranged below workpiece fixing disc, the output end of steering reducer is drivingly connected with gear below workpiece fixing disc.The rotary improved seat type positioner provided by the utility model drives workpiece fixing disc to rotate using servo motor, servo motor has very big speed regulation range, supports stepless speed regulation, when speed is regulated, torsion will not change, can satisfy the surfacing requirement in welding process, servo motor is equipped with encoder, and it is equipped with rotary angle detection, can clearly feedback the degree of workbench rotation, worm reducer between workpiece fixing disc and servo motor has very strong reverse self-locking, can avoid the non-uniformity of rotation speed caused by the gravity center deviation of workpiece, but since positioner driving device is driven using mechanical gear transmission mode, it is easy to deform and wear when larger load is borne, and the damage of positioner is caused. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a hydraulic positioner, which can reduce the abrasion of positioner parts, and prolong the service life of positioner and each component thereof.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is as follows.

[0006] Hydraulic positioner, including base, the overturning adjusting module is installed on the base;The overturning adjusting module includes the first cylinder installed at the bottom of the base, the first cylinder movable end is connected with the rotary angle adjusting module, and the rotary angle adjusting module is rotatably connected with the upper two side plates of the base respectively;The rotary angle adjusting module is installed with pneumatic chuck.

[0007] The rotation angle adjusting module comprises an angle adjusting support, a motor is installed at the bottom of the angle adjusting support, a driving gear is installed at the top of the angle adjusting support and connected with the shaft of the motor, a ring gear is installed at the top of the angle adjusting support through a rotary support and is in meshing transmission with the driving gear, and the ring gear is connected with the pneumatic chuck through a bolt assembly.

[0008] The angle adjusting support is provided with a rotating shaft at each side, the rotating shaft is installed on the upper side plate of the base through a bearing, and the movable end of the first cylinder is connected with the angle adjusting support.

[0009] The pneumatic chuck comprises a chuck base, a rotating base connected with the ring gear is arranged at the bottom center of the chuck base, a plurality of sliding grooves are uniformly formed in the chuck base, a clamping block for clamping a product is slidably installed in the sliding groove, and a driving mechanism for driving the clamping block to move along the sliding groove is further arranged below the chuck base.

[0010] The driving mechanism comprises a connecting rod hinged to the bottom of the clamping block, the other end of the connecting rod is hinged to a connecting rod seat on the top of the rotating base, a second cylinder is symmetrically installed at the bottom of the chuck base, the movable ends of the two second cylinders are respectively connected with a set of connecting rods arranged opposite to each other, and the movable end of the second cylinder is slidably matched with a vertical slot formed in the circumferential side of the rotating base.

[0011] Thanks to the above technical scheme, the technical progress achieved by the utility model is as follows.

[0012] The utility model discloses a liquid dynamic positioner, through adopting hydraulic drive system to the turnover positioner of adjusting, improved the stability performance of positioner in long time operation, and the operation precision is higher, and the hydraulic drive system is applicable to the heavy workpiece of higher load, can reduce the abrasion of positioner parts when bearing larger load, prolongs the service life of positioner, reduces the maintenance cost. ACCURACY

[0013] Figure 1 It is the specific structure schematic drawing of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is the specific structure schematic drawing of the rotation angle adjusting module of the application;

[0016] Figure 4 It is the structure schematic drawing of the pneumatic chuck of the utility model.

[0017] The components are: 1. base, 2. first cylinder, 3. rotation angle adjustment module, 4. pneumatic chuck, 5. angle adjustment bracket, 6. motor, 7. drive gear, 8. ring rack, 9. slewing bearing, 10. rotating shaft, 11. bearing, 12. chuck seat, 13. rotating base, 14. connecting rod seat, 15. connecting rod, 16. second cylinder, 17. locking block, 18. slide groove. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Hydraulic positioners, such as Figures 1 to 4 As shown, it includes a base 1, on which a flip adjustment module is installed. The flip adjustment module includes a first cylinder 2 installed at the bottom of the base 1. The movable end of the first cylinder 2 is connected to a rotation angle adjustment module 3. The rotation angle adjustment module 3 is rotatably connected to the upper two side plates of the base 1. A pneumatic chuck 4 is installed on the rotation angle adjustment module.

[0020] The rotation angle adjustment module 3 includes an angle adjustment bracket 5, such as... Figure 3 As shown, rotating shafts 10 are installed on both sides of the angle adjustment bracket 5. The rotating shafts 10 are mounted on the upper side plate of the base 1 through bearings 11. The movable end of the first cylinder 2 is connected to the angle adjustment bracket 5.

[0021] The first cylinder 2 lifts or retracts, causing the angle adjustment bracket 5 to move and rotate in the vertical plane under the constraint of the rotating shaft 10, thereby achieving the adjustment of the rotation angle in the vertical plane.

[0022] A motor 6 is installed at the bottom of the angle adjustment bracket 5, and a drive gear 7 connected to the motor shaft is installed at the top of the angle adjustment bracket 5. A ring rack 8 that meshes with the drive gear 7 is also installed at the top of the angle adjustment bracket 5 through a slewing bearing 9. The ring rack 8 is connected to the pneumatic chuck 4 through a bolt assembly.

[0023] The pneumatic chuck 4 is driven to rotate in a plane by the drive gear 7 and the ring rack 8, which rotates the product by a certain angle to facilitate processing. At the same time, the slewing bearing 9 is set to bear large axial and radial loads and overturning moments, reducing wear and deformation of the workpiece when it is under load.

[0024] The pneumatic chuck 4 includes a chuck base 12, and a rotating base 13 connected to an annular rack 8 is provided at the center of the bottom of the chuck base 12.

[0025] The chuck base 12 is provided with several evenly spaced grooves 18, and a clamping block 17 for holding the product is slidably installed in the grooves 18.

[0026] The chuck base 12 is further provided with a driving mechanism for driving the clamping blocks 17 to move along the sliding grooves 18, so as to adjust the clamping range of the clamping blocks 17.

[0027] The driving mechanism comprises connecting rods 15 hingedly connected to the bottom of the clamping blocks 17. Figure 4 As shown in the figure, the other end of the connecting rod 15 is hingedly connected to a connecting rod seat 14 on the top of the rotating base 13, and the bottom of the chuck base 12 is symmetrically provided with second air cylinders 16, the movable ends of which are respectively connected to a set of connecting rods 15 arranged oppositely.

[0028] The rotating base 13 is provided with vertical slots on the side thereof, which are slidably fitted with the movable ends of the second air cylinders 16, so as to facilitate the driving of the connecting rods by the second air cylinders.

[0029] When one of the clamping blocks 17 is driven to move by the second air cylinder 16, the remaining clamping blocks are also correspondingly moved along the sliding grooves under the transmission of the connecting rod seat and the connecting rod, so as to adjust the clamping range of the clamping blocks.

[0030] In use, the workpiece is placed on the top center of the chuck base 12, the position of the clamping blocks 17 is adjusted by the driving mechanism to clamp the workpiece, then the first air cylinder 2 is extended and retracted to adjust the rotation angle of the workpiece in the vertical plane, and at the same time, the motor drives the driving gear to rotate the workpiece in the current chuck plane by the action of the ring gear, so as to adjust the workpiece at different angles and positions.

[0031] The hydraulic driving system is adopted to realize high-precision rotation and displacement adjustment, which can ensure the stability of the positioner during long-time operation, and is suitable for the handling and positioning of heavy workpieces.

[0032] The hydraulic driving system is suitable for heavy workpieces with high load, and can reduce the wear of the parts of the positioner when bearing a large load, prolong the service life of the positioner, and reduce the maintenance cost.

Claims

1. A hydrodynamic shifter, characterized in that: Includes a base (1), on which a flip adjustment module is installed; the flip adjustment module includes a first cylinder (2) installed at the bottom of the base (1), the movable end of the first cylinder (2) is connected to a rotation angle adjustment module (3), and the rotation angle adjustment module (3) is rotatably connected to the upper two side plates of the base (1); a pneumatic chuck (4) is installed on the rotation angle adjustment module. The rotation angle adjustment module (3) includes an angle adjustment bracket (5), a motor (6) is installed at the bottom of the angle adjustment bracket (5), a drive gear (7) connected to the motor shaft is installed at the top of the angle adjustment bracket (5), and an annular rack (8) that meshes with the drive gear (7) is also installed at the top of the angle adjustment bracket (5) through a slewing bearing (9). The annular rack (8) is connected to the pneumatic chuck (4) through a bolt assembly. The pneumatic chuck (4) includes a chuck seat (12), and a rotating base (13) connected to an annular rack (8) is provided at the center of the bottom of the chuck seat (12); a plurality of sliding grooves (18) are evenly provided on the chuck seat (12), and a clamping block (17) for holding the product is slidably installed in the sliding groove (18); a driving mechanism for driving the clamping block (17) to move along the sliding groove (18) is also provided below the chuck seat (12); The drive mechanism includes a connecting rod (15) hinged to the bottom of the chuck block (17), and the other end of the connecting rod (15) is hinged to the connecting rod seat (14) on the top periphery of the rotating base (13). A second cylinder (16) is symmetrically installed at the bottom of the chuck seat (12). The movable ends of the two second cylinders (16) are respectively connected to a set of connecting rods (15) arranged opposite to each other. The movable ends of the second cylinders (16) are slidably fitted with the vertical slots opened on the periphery of the rotating base (13).

2. The fluid power shift machine of claim 1, wherein: The angle adjustment bracket (5) is equipped with a rotating shaft (10) on both sides, and the rotating shaft (10) is mounted on the upper side plate of the base (1) through a bearing (11); the movable end of the first cylinder (2) is connected to the angle adjustment bracket (5).

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