CN216990691U

CN216990691U - Fixed-point accurate grabbing and rotating jig

Info

Publication number: CN216990691U
Application number: CN202220682896.6U
Authority: CN
Inventors: 周德强; 刘世宣; 朱小美; 燕浪
Original assignee: Chengdu Aerospace Hua Tao Automotive Trim Co ltd
Current assignee: Chengdu Aerospace Hua Tao Automotive Trim Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-19
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a fixed-point accurate grabbing rotary jig in the technical field of automobile part processing, which comprises a mechanical arm arranged on a fixed bottom plate, wherein a rotary table is arranged on one side of the mechanical arm, a first workpiece support frame and a second workpiece support frame are oppositely arranged at two ends of the rotary table, a driving motor is arranged at the output end of the mechanical arm, the output end of the driving motor is connected with a rotary block, a clamping cylinder is fixedly arranged at the bottom of the rotary block, the output end of the clamping cylinder is connected with a clamping plate, an adjusting component is fixedly arranged on one side wall of the rotary block, a circumferential clamping component is fixedly arranged on the outer wall of the top of the rotary block, and sucking disc components are respectively arranged on two side walls of the rotary block. The double-station automatic production is realized through the rotary table, different grabbing tools are installed on different side faces of the rotary block, and the grabbing function is switched quickly through the rotation of the rotary block, so that the aim of grabbing connecting pieces of multiple specifications is fulfilled.

Description

Fixed-point accurate grabbing and rotating jig

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a fixed-point accurate grabbing rotary jig.

Background

There are many parts integrally formed by a mold on an automobile, such as a front bracket of an automobile, and it is difficult to form a connecting part on the integrally formed parts, and various types and sizes of connecting parts or other connecting parts need to be assembled to facilitate the connection with other parts. Because the specification of connecting piece is too many, and the assembly position is complicated, often go on through the manual work to the assembly of connecting piece among the prior art, manual assembly inefficiency and working strength are big, are difficult to guarantee the assembly accuracy. The mode of snatching of tool is usually taken the mode of centre gripping to current relevant rotation snatchs, and is more single, can not have multiple mode of snatching simultaneously concurrently, leads to its connecting piece specification that can snatch limited, and adaptability is poor.

SUMMERY OF THE UTILITY MODEL

The present invention provides a fixed-point precise grabbing and rotating fixture to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an accurate rotatory tool that snatchs of fixed point, is including installing the arm on PMKD, the revolving stage is installed to one side of arm, the both ends of revolving stage are provided with first work piece support frame and second work piece support frame relatively, driving motor is installed to the output of arm, driving motor's output is connected with rotatory piece, the bottom fixed mounting of rotatory piece has die clamping cylinder, die clamping cylinder's output is connected with splint, fixed mounting has adjusting part on the lateral wall of rotatory piece, fixed mounting has circumference centre gripping subassembly on the top outer wall of rotatory piece, install the sucking disc subassembly on the both sides wall of rotatory piece respectively.

Preferably, a supporting rod is fixedly mounted on the outer wall of the top of the fixing bottom plate, and a proximity switch is mounted on the outer wall of the top of the supporting rod.

Preferably, the revolving stage includes fixed frame, install the rotating electrical machines on fixed frame's the bottom inner wall, the output of rotating electrical machines is connected with the rotary disk, first work piece support frame with second work piece support frame install respectively in the both ends of rotary disk.

Preferably, a first photoelectric sensor is installed on the first workpiece support frame, and a second photoelectric sensor is installed on the second workpiece support frame.

Preferably, the adjusting part comprises a fixed plate, the fixed plate is located on one side wall of the rotating block, an adjusting screw rod is movably connected to one side wall of the fixed plate through a bearing, the adjusting screw rod is far away from one end of the fixed plate is provided with a movable plate, a sliding groove is formed in one side wall of the rotating block, and the rotating block is connected with the movable plate in a clamping mode through the sliding groove.

Preferably, the circumferential clamping assembly comprises a clamping bottom plate, the clamping bottom plate is positioned on the outer wall of the top of the rotating block, a telescopic cylinder and a connecting plate are fixedly mounted on the outer wall of the top of the clamping bottom plate, the connecting plate is positioned on two sides of the telescopic cylinder, the output end of the telescopic cylinder is connected with a telescopic plate, sliding rods are respectively mounted on the outer wall of the top of the telescopic plate, a sliding plate is fixedly mounted on the outer wall of the top of the connecting plate, a sliding hole is formed in one side wall of the sliding plate, the sliding rods are slidably connected with the sliding plate through the sliding holes, rotating plates are respectively fixedly mounted on the outer wall of the top of the sliding plate, clamping blocks are rotatably connected to one side wall of the rotating plates, a rotating block is mounted at one end of each sliding rod, which is far away from the telescopic plate, and an intermediate rod is rotatably connected to one side wall of the rotating block, and the middle rod is rotatably connected with the clamping block through a shaft pin.

Preferably, the sucking disc subassembly includes the base, just the base is located on a lateral wall of rotatory piece, fixed mounting drives actuating cylinder on a lateral wall of base, the output that drives actuating cylinder is connected with sucking disc mechanism.

Preferably, the first workpiece support frame and the second workpiece support frame are identical in structure and are installed in a mirror symmetry mode, the first workpiece support frame comprises a plurality of supporting columns and rotary pressing plates, each supporting column is provided with a bayonet on the top surface, and the rotary pressing plates are higher than the top surfaces of the supporting columns.

The utility model has the technical effects and advantages that:

1. through set up circumference centre gripping subassembly respectively on a plurality of faces at rotatory piece, sucking disc subassembly and die clamping cylinder, splint and adjusting part, die clamping cylinder and splint have the function of pressing from both sides the clamp, the sucking disc subassembly has the function of absorbing, the circumference centre gripping subassembly that sets up has the function of pressing from both sides the outside circular connecting piece of getting, the switching of snatching the function is realized fast through the rotation of rotatory piece, so that realize snatching the purpose to the connecting piece of many specifications, thereby be favorable to improving the application scope of this tool, the quantity of tool has been reduced, and then be favorable to practicing thrift manufacturing cost.

2. The first workpiece support frame and the second workpiece support frame which are arranged oppositely are used for installing workpieces to be installed with connecting pieces, stations can be quickly switched by means of rotation of the rotating table, the automation degree of the jig is improved, and improvement of production efficiency is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a turntable structure according to the present invention.

Fig. 3 is a schematic view of the structure of the adjusting assembly of the present invention.

FIG. 4 is a schematic view of the structure of the circumferential clamping assembly of the present invention.

FIG. 5 is a schematic view of the structure of the chuck assembly of the present invention.

FIG. 6 is an enlarged view of the structure of the present invention at A.

In the figure: 1. fixing the bottom plate; 2. a mechanical arm; 3. a rotating table; 31. a fixed frame; 32. a rotating electric machine; 33. rotating the disc; 4. mounting blocks; 5. rotating the block; 6. a clamping cylinder; 7. a splint; 8. an adjustment assembly; 81. a fixing plate; 82. adjusting the screw rod; 83. moving the plate; 9. a drive motor; 10. a circumferential clamping assembly; 101. clamping the bottom plate; 102. a telescopic cylinder; 103. a connecting plate; 104. a sliding plate; 105. a slide bar; 106. a rotating plate; 107. a clamping block; 108. an intermediate lever; 109. a retractable plate; 110. rotating the block; 11. a sucker component; 111. a base; 112. a driving cylinder; 113. a suction cup mechanism; 12. a support bar; 13. a proximity switch; 14. a first workpiece support frame; 141. a first photosensor; 142. a support pillar; 143. a bayonet; 144. rotating the pressing plate; 15. a second workpiece support; 151. a second photosensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a fixed-point accurate grabbing rotary jig shown in figures 1-6, which comprises a fixed bottom plate 1 and a mechanical arm 2, wherein the mechanical arm 2 is positioned on the outer wall of the top of the fixed bottom plate 1, and the fixed-point accurate grabbing rotary jig is beneficial to grabbing connecting pieces at fixed points through the mechanical arm 2. The output of arm 2 is connected with installation piece 4, install a side wall mounting of 4 and have driving motor 9, driving motor 9's output is connected with rotatory piece 5, the rotation output through driving motor 9 can drive rotatory piece 5 and rotate the different modes of snatching of fast switch over, drive rotatory piece 5 through driving motor 9 and rotate, be favorable to this tool can press from both sides the connecting piece of getting different specifications, actual shape control driving motor 9 through the connecting piece rotates and lets the different modes of snatching work.

Specifically, a clamping cylinder 6 is fixedly mounted on the outer wall of the bottom of the rotating block 5, a clamping plate 7 is connected to the output end of the clamping cylinder 6, an adjusting assembly 8 is arranged on the opposite side of the clamping plate 7, and the adjusting assembly 8 is used for adjusting the initial position of the moving plate 83 which is arranged opposite to the clamping plate so as to control the distance between the moving plate 83 and the clamping plate 7 before clamping, and therefore the clamping of connecting pieces with different sizes is controlled. In the clamping process, the clamping cylinder 6 drives the clamping plate 7 to be close to the moving plate 83 to clamp the connecting piece, so that the connecting piece with a plane clamped surface can be clamped, and the connecting piece can be taken out by the subsequent mechanical arm 2. Fixed mounting has circumference centre gripping subassembly 10 on the top outer wall of rotatory piece 5, through circumference centre gripping subassembly 10, is favorable to this tool to press from both sides and gets circular connecting piece. Fixed mounting has adjusting part 8 on the lateral wall of rotatory piece 5, and adjusting part 8 installs on the terminal surface of rotatory piece 5, through adjusting part 8, is favorable to adjusting the distance of centre gripping.

In this embodiment, adjusting part 8 includes fixed plate 81, fixed plate 81 is located a lateral wall of rotatory piece 5, there is accommodate the lead screw 82 through bearing swing joint on a lateral wall of fixed plate 81, accommodate the lead screw 82 and keep away from the one end of fixed plate 81 and be provided with movable plate 83, the spout has been seted up on a lateral wall of rotatory piece 5, rotatory piece 5 passes through spout and movable plate 83 looks joint, drive movable plate 83 through accommodate the lead screw 82, thereby the interval is got to the regulation clamp, be favorable to this tool can the not connecting piece of equidimension of centre gripping.

Install sucking disc subassembly 11 on the both sides wall of rotatory piece 5 respectively, through sucking disc subassembly 11, be favorable to this tool can absorb the connecting piece to in the connecting piece that can not press from both sides is got and is absorbed, thereby improves the reliability of the connecting piece that snatchs of this tool, the colleague avoids damaging the connecting piece.

In this embodiment, sucking disc subassembly 11 includes base 111, and base 111 is located a lateral wall of rotatory piece 5, fixed mounting drives actuating cylinder 112 on a lateral wall of base 111, the output that drives actuating cylinder 112 is connected with sucking disc mechanism 113, drive sucking disc mechanism 113 through driving actuating cylinder 112 and push down, then hold the connecting piece through sucking disc mechanism 113, the rethread arm 2 takes the connecting piece away, thereby be favorable to improving the reliability when this tool snatchs the connecting piece.

In this embodiment, the circumferential clamping assembly 10 includes a clamping base plate 101, the clamping base plate 101 is located on the top outer wall of the rotating block 5, a telescopic cylinder 102 and a connecting plate 103 are fixedly mounted on the top outer wall of the clamping base plate 101, the connecting plate 103 is located on both sides of the telescopic cylinder 102, an output end of the telescopic cylinder 102 is connected with a telescopic plate 109, sliding rods 105 are respectively mounted on the top outer walls of the telescopic plates 109, a sliding plate 104 is fixedly mounted on the top outer wall of the connecting plate 103, a sliding hole is formed on one side wall of the sliding plate 104, the sliding rod 105 is slidably connected with the sliding plate 104 through the sliding hole, a rotating plate 106 is respectively fixedly mounted on the top outer wall of the sliding plate 104, a clamping block 107 is rotatably connected on one side wall of the rotating plate 106, a rotating block 110 is mounted on one end of the sliding rod 105 far from the telescopic plate 109, an intermediate rod 108 is rotatably connected on one side wall of the rotating block 110, and middle pole 108 passes through the pivot and rotates with pressing from both sides tight piece 107 to be connected, drives expansion plate 109 through telescopic cylinder 102 for slide bar 105 drives turning block 110, and then makes turning block 110 drive middle pole 108 and rotate, drives through middle pole 108 and presss from both sides tight piece 107 and rotate, thereby makes to press from both sides tight piece 107 and presss from both sides tight circular connecting piece, is favorable to improving the function of snatching of this tool.

Fixed mounting has revolving stage 3 on PMKD 1's the top outer wall, and revolving stage 3 is located one side of arm 2, and fixed mounting has bracing piece 12 on PMKD 1's the top outer wall, installs proximity switch 13 on the top outer wall of bracing piece 12, detects whether rotatory through proximity switch 13, is favorable to snatching of follow-up arm 2.

In this embodiment, the rotating platform 3 includes a fixing frame 31, a rotating motor 32 is installed on the bottom inner wall of the fixing frame 31, an output end of the rotating motor 32 is connected with a rotating disk 33, a first workpiece supporting frame 14 and a second workpiece supporting frame 15 are respectively and fixedly installed on the top outer wall of the rotating disk 33, a first photoelectric sensor 141 is installed on a side wall of the first workpiece supporting frame 14, and a second photoelectric sensor 151 is installed on a side wall of the second workpiece supporting frame 15.

In the present embodiment, the first workpiece support frame 14 and the second workpiece support frame 15 have the same structure and are installed in a mirror symmetry manner, the first workpiece support frame 14 includes a plurality of support pillars 142 and a rotary pressing plate 144, a bayonet 143 is disposed on a top surface of each support pillar 142, and the rotary pressing plate 144 is higher than the top surfaces of the support pillars 142. The shape of the bayonet 143, the number and distribution of the support posts 142 are designed according to the specific shape and size of the workpiece to which the connector is to be attached. The rotating pressing plate 144 is used for compressing and fixing the placed workpiece, the structure of the rotating pressing plate 144 preferably comprises a pressing plate, the pressing plate is connected to the output end of the telescopic cylinder in a rotating mode, the telescopic cylinder is installed on the bottom plate and on the telescopic shaft of the telescopic cylinder, the height of the pressing plate is controlled through the telescopic shaft in a telescopic mode, and the pressing plate can rotate to avoid interference on the workpiece when the workpiece is dismounted.

The workpiece is manually placed on the second workpiece support frame 15, the workpiece is detected by the second photoelectric sensor 151, and after the first photoelectric sensor 141 detects that no workpiece exists, the rotating disc 33 is driven to rotate by the rotating motor 32, so that the workpiece can be grabbed at a fixed point by the mechanical arm 2.

This practical theory of operation: the utility model relates to a fixed-point accurate grabbing and rotating jig which is characterized in that a connecting piece is manually placed on a second workpiece supporting frame 15, the connecting piece is detected through a second photoelectric sensor 151, meanwhile, when a first photoelectric sensor 141 detects that no connecting piece exists, a rotating disc 33 is driven to rotate through a rotating motor 32, when a proximity switch 13 detects that the rotating disc 33 rotates, a rotating block 5 is driven to be above the connecting piece through a mechanical arm 2, then a clamping cylinder 6 drives a clamping plate 7 to clamp the connecting piece, then the connecting piece is clamped away through the mechanical arm 2, when the second photoelectric sensor 151 detects that the workpiece disappears, and the rotating motor 32 drives the rotating disc 33 to rotate after the first photoelectric sensor 141 detects that the workpiece disappears.

When the circular connecting piece needs to be clamped, the driving motor 9 drives the rotating block 5 to rotate, so that the circumference clamping assembly 10 faces downwards, the telescopic cylinder 102 drives the telescopic plate 109, the sliding rod 105 drives the rotating block 110, the rotating block 110 drives the middle rod 108 to rotate, and the middle rod 108 drives the clamping block 107 to rotate, so that the circular connecting piece is clamped.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an accurate rotatory tool that snatchs of fixed point, is including installing arm (2) on PMKD (1), its characterized in that: a rotating table (3) is mounted on one side of the mechanical arm (2), and a first workpiece support frame (14) and a second workpiece support frame (15) are oppositely arranged at two ends of the rotating table (3); driving motor (9) are installed to the output of arm (2), the output of driving motor (9) is connected with rotatory piece (5), the bottom fixed mounting of rotatory piece (5) has die clamping cylinder (6), the output of die clamping cylinder (6) is connected with splint (7), fixed mounting has adjusting part (8) on the lateral wall of rotatory piece (5), fixed mounting has circumference centre gripping subassembly (10) on the top outer wall of rotatory piece (5), install sucking disc subassembly (11) on the both sides wall of rotatory piece (5) respectively.

2. The fixed-point precise grabbing rotary jig according to claim 1, characterized in that: the top outer wall of the fixed bottom plate (1) is fixedly provided with a supporting rod (12), and the top outer wall of the supporting rod (12) is provided with a proximity switch (13).

3. The fixed-point precise grabbing rotary jig according to claim 1, characterized in that: the revolving stage (3) includes fixed frame (31), install rotating electrical machines (32) on fixed frame (31), the output of rotating electrical machines (32) is connected with rotary disk (33), first work piece support frame (14) with second work piece support frame (15) install respectively in the both ends of rotary disk (33).

4. The fixed-point precise grabbing rotary jig according to claim 3, characterized in that: a first photoelectric sensor (141) is mounted on the first workpiece support frame (14), and a second photoelectric sensor (151) is mounted on the second workpiece support frame (15).

5. The fixed-point precise grabbing rotary jig according to claim 1, characterized in that: adjusting part (8) are including fixed plate (81), fixed plate (81) are located on a lateral wall of rotatory piece (5), there are accommodate the lead screw (82) through bearing swing joint on a lateral wall of fixed plate (81), accommodate the lead screw (82) are kept away from the one end of fixed plate (81) is provided with movable plate (83), the spout has been seted up on a lateral wall of rotatory piece (5), rotatory piece (5) are passed through the spout with movable plate (83) looks joint.

6. The fixed-point precise grabbing and rotating jig according to claim 1, characterized in that: the circumferential clamping assembly (10) comprises a clamping bottom plate (101), the clamping bottom plate (101) is positioned on the outer wall of the top of the rotating block (5), a telescopic cylinder (102) and a connecting plate (103) are fixedly installed on the outer wall of the top of the clamping bottom plate (101), the connecting plate (103) is positioned on two sides of the telescopic cylinder (102), the output end of the telescopic cylinder (102) is connected with a telescopic plate (109), sliding rods (105) are respectively installed on the outer wall of the top of the telescopic plate (109), a sliding plate (104) is fixedly installed on the outer wall of the top of the connecting plate (103), a sliding hole is formed in one side wall of the sliding plate (104), the sliding rods (105) are slidably connected with the sliding plate (104) through the sliding holes, and a rotating plate (106) is respectively fixedly installed on the outer wall of the top of the sliding plate (104), and a clamping block (107) is rotatably connected to one side wall of the rotating plate (106), the sliding rod (105) is far away from one end of the telescopic plate (109) and is provided with a rotating block (110), an intermediate rod (108) is rotatably connected to one side wall of the rotating block (110), and the intermediate rod (108) is rotatably connected with the clamping block (107) through a shaft pin.

7. The fixed-point precise grabbing rotary jig according to claim 1, characterized in that: sucking disc subassembly (11) include base (111), just base (111) are located on a lateral wall of rotatory piece (5), fixed mounting has on a lateral wall of base (111) and drives actuating cylinder (112), the output that drives actuating cylinder (112) is connected with sucking disc mechanism (113).

8. The fixed-point precise grabbing rotary jig according to claim 1, characterized in that: the first workpiece support frame (14) and the second workpiece support frame (15) are identical in structure and are installed in a mirror symmetry mode, the first workpiece support frame (14) comprises a plurality of support columns (142) and rotary press plates (144), a bayonet (143) is arranged on the top surface of each support column (142), and the rotary press plates (144) are higher than the top surfaces of the support columns (142).