Safety protection type rotary positioner

Abstract

The utility model relates to the technical field of position changing machines, and provides a safety protection type rotary position changing machine which comprises a working table, a rotary table is arranged above the top of the working table, movable openings are formed in the periphery of the end face of the top of the rotary table, sliding grooves are formed in the movable openings, and first clamping blocks are installed on the sliding grooves in a sliding mode. A transmission block is welded to the end face of the bottom of the first clamping block, one end of the bottom of the transmission block extends to the outside of the movable opening, a supporting plate is welded to one end of the bottom of the movable opening, a screw rod is installed on the supporting plate through a bearing, the screw rod is in threaded connection with the transmission block, and a first gear is welded to the screw rod. According to the safety protection type rotary positioner, the first clamping block and the second clamping block are attached, a tubular workpiece can be fixed, the clamping and fixing effect can be achieved, in this way, when equipment drives the workpiece to rotate, the situation that the workpiece is thrown down due to centrifugal force generated by rotation can be avoided, the protection effect is achieved, and the use safety of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioners, and in particular to a safety protection type rotary positioner. Background Art

[0002] The positioner is a special welding auxiliary equipment, which is widely used in the machinery manufacturing industry. It is mainly used to fix the workpiece on the positioner so that the workpiece moves with the positioner. It is suitable for rotary welding position adjustment to obtain the ideal processing position and welding speed, which is beneficial to improve welding quality and productivity.

[0003] After searching, the prior art (announcement number: CN206230199U) is a rotary positioner, which states that "it includes a base frame, a table top, a rotating platform, a slewing support bearing and a drive system; the table top is fixed on the base frame and serves as a mounting carrier for the rotating platform, the slewing support bearing and the drive system; the rotating platform is connected to the table top through a slewing support bearing, and the inner ring of the slewing support bearing is mounted on the table top, and the outer ring of the slewing support bearing is mounted on the rotating platform; the drive system is arranged on the table top, and the power output end of the drive system is connected to the rotating platform; wherein, the rotating platform is provided with an outer group of rotating stations and an inner group of rotating stations, and the outer group of rotating stations and the inner group of rotating stations are staggered along the radial direction of the rotating platform", but the prior art cannot fix and limit the workpiece, resulting in the centrifugal force generated during rotation, which can easily throw the workpiece off the equipment, posing a safety hazard. Therefore, it is very necessary to design a safety protection type rotary positioner. Utility Model Content

[0004] The purpose of the utility model is to provide a safety protection type rotary positioner, which solves the problem in the related art that the workpiece cannot be fixed and limited during use, resulting in the centrifugal force generated during rotation, which easily causes the workpiece to be thrown off the equipment.

[0005] The technical solution of the utility model is as follows:

[0006] A safety protection type rotary positioner comprises a workbench, a rotating table is provided above the top of the workbench, and movable openings are opened around the top end surface of the rotating table, a slide groove is provided inside the movable opening, and a first clamping block is slidably installed on the slide groove, a transmission block is welded on the bottom end surface of the first clamping block, and one end of the bottom of the transmission block extends to the outside of the movable opening, a support plate is welded on one end of the bottom of the movable opening, and a screw is installed on the support plate through a bearing, the screw and the transmission block are connected by threads, a first gear is welded on the screw, and a bracket is welded on the other end of the bottom of the movable opening, and The other end of the screw is plugged into and installed on the bracket, and a driving rod is plugged into the bracket, and a second gear is welded to one end of the driving rod, and the second gear is meshed with the first gear. A limit block is installed on the outside of one side of the bracket through a torsion spring rotating shaft, and the other end of the limit block is meshed with the second gear. A handle is welded on the other end of the driving rod, and a second clamping block is slidably installed on the slide groove. A driving seat is screwed on the center of the rotating table, and a fixing frame is screwed on the bottom end face of the workbench, and a motor is screwed on the fixing frame. The output end of the motor passes through the workbench and is welded and fixed to the bottom end of the driving seat.

[0007] Preferably, the outer wall of the rotating table is provided with sockets all around, and the sockets are connected to the interior of the movable port, a push rod is inserted into the interior of the socket, and one end of the push rod is welded and fixed to the outer wall of the second clamping block, a pressing hole is provided on the top of the socket, and a plurality of telescopic grooves are equidistantly provided on the top end face of the push rod, and a spring is welded in the telescopic groove, a support is inserted into the interior of the telescopic groove, and a ball is clamped on the top of the support, and the top end of the spring is screwed and fixed to the bottom end face of the support.

[0008] Preferably, a first anti-sliding block is glued onto the first clamping block, and a second anti-sliding block is glued onto the second clamping block, and the first anti-sliding block and the second anti-sliding block are made of rubber material.

[0009] Preferably, a slide rail is welded to the top end surface of the workbench, and the slide rail is annular, and slide rods are welded to the four sides of the bottom end surface of the rotating table, and one end of the bottom of the slide rod extends into the slide rail.

[0010] Preferably, a ventilation pipe is screwed onto one end of the workbench, a fan is screwed onto the top of the workbench, a connecting pipe is plugged into the air outlet of the fan, and the other end of the connecting pipe is plugged into and connected to the ventilation pipe.

[0011] Preferably, the air outlet end of the ventilation pipe is screwed with a rubber tube, and the other end of the rubber tube is screwed with an air guide pipe. Support rods are installed on both sides of the rubber tube through a damping shaft, and the other end of the support rod is screwed and fixed to the air guide pipe.

[0012] Preferably, pillars are screwed around the bottom end surface of the workbench, reinforcement frames are provided on both sides of the bottom of the workbench, and the two ends of the reinforcement frames are respectively welded and fixed to the two pillars.

[0013] Preferably, the reinforcement frame is "K"-shaped.

[0014] Beneficial effects of the utility model:

[0015] By placing the tubular workpiece on the rotating table, lifting the limit block, and twisting the handle, the second gear can be driven to rotate under the action of the driving rod, and the second gear and the first gear can be used to drive the screw to rotate. When the screw rotates, the transmission block can drive the first clamping block to move in the movable mouth and make the first clamping block fit with the inner wall of the tubular workpiece. Loosening the limit block can make the limit block engage with one side of the first gear to prevent the first gear from rotating. By pushing the push rod, the second clamping block can be brought close to the first clamping block, and then fit into and fix the outer wall of the tubular workpiece. The first clamping block can achieve a clamping and fixing effect. This method can avoid the workpiece from being thrown off due to the centrifugal force generated by the rotation when the equipment drives the workpiece to rotate. It has a protective effect and improves the safety of equipment use.

[0016] The socket can be used to squeeze the ball, thereby retracting the support into the telescopic slot. When the ball moves to the pressing hole, the spring will lift the support and move the support into the telescopic slot to prevent the push rod from moving, thereby achieving a limiting effect on the second clamping block. The slide rail and slide rod can be used to improve the stability when the turntable rotates. The connecting pipe can be used to allow the fan to transport air to the ventilation duct. The air outlet position can be adjusted by rotating the air duct. The support rod can be used to support the air duct. The fan can be used to blow air to cool the processed tubular workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is an isometric view of the entire utility model;

[0019] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0020] Figure 3 for Figure 2 A magnified view of the structure;

[0021] Figure 4 This is the overall side view of the utility model;

[0022] Figure 5 This is a cross-sectional view of the rotating table of the utility model.

[0023] In the figure: 1. workbench; 2. rotating table; 3. movable opening; 4. slide; 5. first clamping block; 6. transmission block; 7. support plate; 8. screw; 9. first gear; 10. bracket; 11. driving rod; 12. second gear; 13. limit block; 14. handle; 15. driving seat; 16. second clamping block; 17. push rod; 18. motor; 19. fixing frame; 20. socket; 21. pressing hole; 22. telescopic slot; 23. spring; 24. support; 25. ball bearing; 26. first anti-sliding block; 27. second anti-sliding block; 28. slide rail; 29. ​​slide rod; 30. ventilation duct; 31. fan; 32. connecting pipe; 33. rubber tube; 34. air guide duct; 35. support rod; 36. pillar; 37. reinforcement frame. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] like Figure 1-5As shown, this embodiment proposes a safety protection type rotary positioner, including a workbench 1, a rotating table 2 is provided above the top of the workbench 1, and movable openings 3 are opened around the top end surface of the rotating table 2, a slide groove 4 is opened inside the movable opening 3, and a first clamping block 5 is slidably installed on the slide groove 4, a transmission block 6 is welded to the bottom end surface of the first clamping block 5, and one end of the bottom of the transmission block 6 extends to the outside of the movable opening 3, a support plate 7 is welded to the bottom end of the movable opening 3, and a screw 8 is installed on the support plate 7 through a bearing, the screw 8 is connected to the transmission block 6 through a thread, a first gear 9 is welded on the screw 8, a bracket 10 is welded to the other end of the bottom of the movable opening 3, and the other end of the screw 8 is plugged and installed on the bracket 10, and a drive rod 11 is plugged on the bracket 10 , and one end of the driving rod 11 is welded with a second gear 12, the second gear 12 is engaged with the first gear 9, a limit block 13 is installed on the outside of one side of the bracket 10 through a torsion spring shaft, and the other end of the limit block 13 is engaged with the second gear 12, the other end of the driving rod 11 is welded with a handle 14, and a second clamping block 16 is slidably installed on the slide 4, the center of the rotary table 2 is screwed with a driving seat 15, the bottom end surface of the workbench 1 is screwed with a fixing frame 19, and the fixing frame 19 is screwed with a motor 18, the output end of the motor 18 passes through the workbench 1 and is welded to one end of the bottom of the driving seat 15, the outer wall of the rotary table 2 is provided with sockets 20, and the sockets 20 are connected to the inside of the movable port 3, the inside of the socket 20 is plugged with a push rod 17, and the push rod 17 One end of the spring 23 is welded and fixed to the outer wall of the second clamping block 16, a pressing hole 21 is opened on the top of the socket 20, and a plurality of telescopic grooves 22 are opened at equal distances on the top end surface of the push rod 17, and a spring 23 is welded in the telescopic groove 22, and a support 24 is inserted into the interior of the telescopic groove 22, and a ball 25 is clamped on the top of the support 24, and one end of the top of the spring 23 is screwed and fixed to the bottom end surface of the support 24. The second clamping block 16 can be moved by pushing the push rod 17, and the socket 20 can be used to squeeze the ball 25, thereby retracting the support 24 into the telescopic groove 22. When the ball 25 moves to the pressing hole 21, the spring 23 will lift the support 24 and move the support 24 into the telescopic groove 22, preventing the push rod 17 from moving, thereby achieving the second clamping block 16. The first anti-slip block 26 is glued to the first clamping block 5, and the second anti-slip block 27 is glued to the second clamping block 16. The first anti-slip block 26 and the second anti-slip block 27 are made of rubber material. The first anti-slip block 26 and the second anti-slip block 27 can improve the clamping effect of the first clamping block 5 and the second clamping block 16. The top end surface of the workbench 1 is welded with a slide rail 28, and the slide rail 28 is annular. The bottom end surface of the rotary table 2 is welded with a slide rod 29 all around, and the bottom end of the slide rod 29 extends into the slide rail 28. The slide rail 28 and the slide rod 29 can be used to improve the stability of the rotary table 2 when it rotates. A ventilation pipe 30 is screwed to one end of the workbench 1, and a fan 31 is screwed to the top of the workbench 1, and the air outlet of the fan 31 is plugged with a connecting pipe 32.The other end of the connecting pipe 32 is plugged into and connected to the ventilation pipe 30. The connecting pipe 32 allows the fan 31 to transport air into the ventilation pipe 30. The air outlet end of the ventilation pipe 30 is screwed with a rubber tube 33, and the other end of the rubber tube 33 is screwed with an air guide pipe 34. Support rods 35 are installed on both sides of the rubber tube 33 through a damping shaft, and the other end of the support rod 35 is screwed and fixed to the air guide pipe 34. The air outlet position can be adjusted by rotating the air guide pipe 34. The support rod 35 can be used to support the air guide pipe 34. The bottom end surface of the workbench 1 is screwed with pillars 36 on all sides. Reinforcement frames 37 are provided on both sides of the bottom of the workbench 1, and the two ends of the reinforcement frames 37 are respectively welded and fixed to the two pillars 36. The reinforcement frames 37 can improve the support effect of the pillars 36. The reinforcement frames 37 are "K" shaped.

[0026] In this embodiment, the fan 31 and the motor 18 are both existing mature technologies, so they are not described in detail. When in use, by placing the tubular workpiece on the rotating table 2, lifting the limit block 13, and twisting the handle 14, the second gear 12 can be driven to rotate under the action of the driving rod 11, and the second gear 12 and the first gear 9 can be used to drive the screw 8 to rotate. When the screw 8 rotates, the transmission block 6 can drive the first clamping block 5 to move in the movable opening 3 and make the first clamping block 5 fit with the inner wall of the tubular workpiece. Loosening the limit block 13 can make the limit block 13 mesh with one side of the first gear 9 to prevent the first gear 9 from rotating. By pushing the push rod 17, the second clamping block 16 can be brought close to the first clamping block 5, and then fit the outer wall of the fixed tubular workpiece, and the first clamping block 5 can achieve the effect of clamping and fixing. The motor 1 When the driving seat 15 is driven to rotate, the tubular workpiece can be driven to rotate and displace. The second clamping block 16 can be moved by pushing the push rod 17. The ball 25 can be squeezed by the socket 20, so that the support 24 is retracted into the telescopic groove 22. When the ball 25 moves to the pressing hole 21, the spring 23 will lift the support 24 and move the support 24 into the telescopic groove 22 to prevent the push rod 17 from moving, thereby achieving the limiting effect on the second clamping block 16. The slide rail 28 and the slide rod 29 can be used to improve the stability of the rotary table 2 when it rotates. The connecting pipe 32 can be used to enable the fan 31 to transport air to the ventilation pipe 30. The air outlet position can be adjusted by rotating the air duct 34. The support rod 35 can be used to support the air duct 34. The fan 31 is used to blow air, which can cool the processed tubular workpiece.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A safety protection type rotary positioner, comprising a workbench (1), characterized in that: A rotating table (2) is provided above the top of the workbench (1), and movable openings (3) are provided around the top end surface of the rotating table (2), a slide groove (4) is provided inside the movable opening (3), and a first clamping block (5) is slidably installed on the slide groove (4), a transmission block (6) is welded to the bottom end surface of the first clamping block (5), and one end of the bottom of the transmission block (6) extends to the outside of the movable opening (3), a support plate (7) is welded to the bottom end of the movable opening (3), and a screw (8) is installed on the support plate (7) through a bearing, the screw (8) is connected to the transmission block (6) through a thread, a first gear (9) is welded to the screw (8), a bracket (10) is welded to the other end of the bottom of the movable opening (3), and the other end of the screw (8) is plugged and installed on the bracket (10). A driving rod (11) is inserted into the bracket (10), and a second gear (12) is welded to one end of the driving rod (11), and the second gear (12) is meshed with the first gear (9). A limit block (13) is installed on the outside of one side of the bracket (10) through a torsion spring shaft, and the other end of the limit block (13) is meshed with the second gear (12). A handle (14) is welded to the other end of the driving rod (11), and a second clamping block (16) is slidably installed on the slide groove (4). A driving seat (15) is screwed to the center of the rotating table (2), a fixing frame (19) is screwed to the bottom end surface of the workbench (1), and a motor (18) is screwed to the fixing frame (19), and the output end of the motor (18) passes through the workbench (1) and is welded and fixed to the bottom end of the driving seat (15).

2. A safety protection type rotary positioner according to claim 1, characterized in that: The outer wall of the rotating table (2) is provided with sockets (20) all around, and the sockets (20) are connected to the inside of the movable port (3), a push rod (17) is inserted into the inside of the socket (20), and one end of the push rod (17) is welded and fixed to the outer wall of the second clamping block (16), a pressing hole (21) is provided at the top of the socket (20), a plurality of telescopic grooves (22) are equidistantly provided on the top end face of the push rod (17), and a spring (23) is welded in the telescopic groove (22), a support (24) is inserted into the inside of the telescopic groove (22), and a ball (25) is clamped on the top of the support (24), and one end of the top of the spring (23) is screwed and fixed to the bottom end face of the support (24).

3. A safety protection type rotary positioner according to claim 1, characterized in that: A first anti-sliding block (26) is glued onto the first clamping block (5), and a second anti-sliding block (27) is glued onto the second clamping block (16). The first anti-sliding block (26) and the second anti-sliding block (27) are made of rubber material.

4. A safety protection type rotary positioner according to claim 1, characterized in that: A slide rail (28) is welded to the top end surface of the workbench (1), and the slide rail (28) is annular. Slide rods (29) are welded to the four sides of the bottom end surface of the rotary table (2), and one end of the bottom of the slide rod (29) extends into the slide rail (28).

5. The safety protection type rotary positioner according to claim 1, characterized in that: One end of the workbench (1) is screwed with a ventilation pipe (30), a fan (31) is screwed above the top of the workbench (1), and a connecting pipe (32) is plugged into the air outlet of the fan (31), and the other end of the connecting pipe (32) is plugged into and communicated with the ventilation pipe (30).

6. A safety protection type rotary positioner according to claim 5, characterized in that: The air outlet end of the ventilation pipe (30) is screwed with a rubber tube (33), and the other end of the rubber tube (33) is screwed with an air guide pipe (34). Support rods (35) are installed on both sides of the rubber tube (33) through a damping shaft, and the other end of the support rod (35) is screwed and fixed to the air guide pipe (34).

7. The safety protection type rotary positioner according to claim 1, characterized in that: Pillars (36) are screwed around the bottom end surface of the workbench (1), and reinforcement frames (37) are provided on both sides of the bottom of the workbench (1), and the two ends of the reinforcement frames (37) are respectively welded and fixed to the two pillars (36).

8. The safety protection type rotary positioner according to claim 7, characterized in that: The reinforcement frame (37) is in a "K" shape.

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