CN216353993U

CN216353993U - Pneumatic pressing device for machining thin-walled small parts of molded case circuit breaker

Info

Publication number: CN216353993U
Application number: CN202122861044.1U
Authority: CN
Inventors: 刘雨佳; 刘文盛; 董丽巍
Original assignee: Tianjin Zhikuang Electric Co ltd
Current assignee: Tianjin Zhikuang Electric Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-19
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to the technical field of pneumatic pressing devices, in particular to a pneumatic pressing device for processing thin-walled small parts of a molded case circuit breaker, which is characterized in that a thrust spring is used for pushing an adjusting block to move so as to drive a left side clamping block to be tightly attached to the side end of a workpiece under the action of elasticity, so that the workpiece is quickly clamped and fixed on a pressing table, and the use convenience is improved; the pressing mechanism comprises a base, a pressing table, a pressing support, a pressing air cylinder, an adjusting pull rod, a thrust spring, a regulating block, a guide block, two sets of side clamping blocks and two sets of hold-down mechanisms, the pressing table bottom is in fastening connection with the base top, the pressing support is fixedly mounted on the pressing table top, the pressing air cylinder is fixedly mounted on the pressing support top, a cavity is formed in the pressing table, the adjusting pull rod is inserted in the middle of the pressing table left end in a sliding mode, the adjusting pull rod is sleeved outside the circumference of the adjusting pull rod, the thrust spring is arranged inside the pressing table, and the right end of the adjusting pull rod is in fastening connection with the regulating block left end.

Description

Pneumatic pressing device for machining thin-walled small parts of molded case circuit breaker

Technical Field

The utility model relates to the technical field of pneumatic pressing devices, in particular to a pneumatic pressing device for machining thin-walled small parts of a molded case circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition within a specified time, wherein the molded case circuit breaker is capable of automatically breaking the current after the current exceeds a trip setting, the molded case is a case using a plastic insulator as a device for isolating between conductors and a grounding metal part, the molded case circuit breaker generally includes a thermo-magnetic trip unit, and a large-sized molded case circuit breaker is equipped with a solid trip sensor. When assembling moulded case circuit breaker, need carry out the pressure equipment through compression fittings to the outer annex of upper cover and upper cover fixed, but current compression fittings is when fixed to the work piece, and operating procedure is too loaded down with trivial details, can't fix the work piece on the workstation fast, leads to the convenience of use relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the pneumatic pressing device for processing the thin-walled small parts of the molded case circuit breaker, which is convenient to drive the left side clamping block to be tightly attached to the side end of the workpiece under the action of elasticity by pushing the adjusting block to move by using the thrust spring so as to quickly clamp and fix the workpiece on the pressing table and improve the use convenience.

The utility model relates to a pneumatic pressing device for processing thin-walled fine parts of a molded case circuit breaker, which comprises a base, a pressing table, a pressing support, a pressing cylinder, an adjusting pull rod, a thrust spring, an adjusting block, a guide block, two sets of side clamping blocks and two sets of pressing mechanisms, wherein the bottom end of the pressing table is fixedly connected with the top end of the base, the pressing support is fixedly arranged at the top end of the pressing table, the pressing cylinder is fixedly arranged at the top end of the pressing support, a cavity is arranged in the pressing table, the adjusting pull rod is slidably inserted in the middle of the left end of the pressing table, the adjusting pull rod is sleeved on the outer side of the circumference of the adjusting pull rod, the thrust spring is arranged in the pressing table, the right end of the adjusting pull rod is fixedly connected with the left end of the adjusting block, the bottom end of the guide block is fixedly connected with the top end of the adjusting block, and the bottom end of the guide block is fixedly connected with the top end of the guide block, the left side of the top end of the pressing table is provided with a guide sliding groove, the guide sliding block is slidably mounted in the guide sliding groove, the bottom end of one group of side clamping blocks is fixedly connected with the top end of the guide sliding block, the other group of side clamping blocks is fixedly mounted on the right side of the top end of the pressing table, and the two groups of pressing mechanisms are respectively rotatably mounted on the two groups of side clamping blocks.

The pneumatic pressing device for machining the thin-walled small part of the molded case circuit breaker comprises a rotating plate, a threaded sleeve ring, a threaded rod, a knob and a jacking plate, wherein the rotating plate is rotatably installed on a side clamping block, the threaded sleeve ring is fixedly communicated and installed on the rotating plate, the threaded rod is screwed on the threaded sleeve ring, the bottom end of the knob is fixedly connected with the top end of the threaded rod, and the top end of the jacking plate is fixedly connected with the bottom end of the threaded rod.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises a plurality of groups of damping springs, a damping bottom plate, damping guide rods and damping guide grooves, wherein the bottom end of the base is fixedly provided with the plurality of groups of damping springs, the top end of the damping bottom plate is fixedly connected with the bottom ends of the groups of damping springs in a fastening mode, the left side and the right side of the top end of the damping bottom plate are symmetrically and fixedly provided with the two groups of damping guide rods, the bottom end of the base is symmetrically provided with the two groups of damping guide grooves, and the two groups of damping guide rods are inserted into the two groups of damping guide grooves in a sliding mode.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises a limiting lantern ring, and the limiting lantern ring is tightly sleeved on the left part of the outer side of the circumference of the adjusting pull rod.

The pneumatic pressing device for machining the thin-walled small part of the molded case circuit breaker further comprises a guide rod installation block and a guide rod, wherein the guide rod installation block is fixedly installed at the top end inside the pressing table, the right end of the guide rod is fixedly connected with the left end of the guide rod installation block, the left end of the guide rod is connected with the left end inside the pressing table, and the guide block is slidably sleeved on the guide rod.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises roller mounting blocks and rollers, wherein two groups of roller mounting blocks are symmetrically and fixedly mounted at the bottom ends of the adjusting blocks, one group of rollers is rotatably mounted at the bottom end of each group of roller mounting blocks, and the bottom ends of the rollers are tightly attached to the bottom end inside the pressing table.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises anti-skidding grooves, and a plurality of groups of anti-skidding grooves are arranged on the outer end face of the circumference of the knob.

According to the pneumatic pressing device for machining the thin-walled small part of the molded case circuit breaker, the limiting plate is fixedly mounted at the top end of the damping guide rod.

Compared with the prior art, the utility model has the beneficial effects that: the adjusting pull rod is pulled outwards, the adjusting pull rod drives the adjusting block to move leftwards, the adjusting block drives the guide sliding block to slide in the guide sliding groove through the guide block, the side clamping block is driven to move leftwards through the guide sliding block, meanwhile, the adjusting block compresses the thrust spring leftwards, the workpiece is placed at the top end of the pressing table, then the adjusting pull rod is loosened, the adjusting block is driven to move rightwards under the elastic force action of the thrust spring, then the adjusting block drives the guide block, the guide sliding block and the side clamping block to move rightwards, then the two groups of side clamping blocks are matched to clamp and fix the workpiece on the pressing table, then the workpiece is pressed and fixed through starting the pressing air cylinder, the adjusting block is pushed to move through the thrust spring, the left side clamping block is conveniently driven to be attached to the side end of the workpiece under the elastic force action, the workpiece is quickly clamped and fixed on the pressing table, and the use convenience is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 1;

FIG. 4 is an enlarged view of the portion C of FIG. 1;

in the drawings, the reference numbers: 1. a base; 2. a pressing table; 3. pressing the bracket; 4. pressing a cylinder; 5. adjusting the pull rod; 6. a thrust spring; 7. an adjusting block; 8. a guide block; 9. a guide slider; 10. a guide chute; 11. a side clamping block; 12. a rotating plate; 13. a threaded collar; 14. a threaded rod; 15. a knob; 16. a top pressing plate; 17. a damping spring; 18. a damping bottom plate; 19. a shock absorbing guide rod; 20. a shock-absorbing guide groove; 21. a limiting lantern ring; 22. a guide bar mounting block; 23. a guide bar; 24. a roller mounting block; 25. a roller; 26. an anti-slip groove; 27. and a limiting plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in figures 1 to 4, the pneumatic pressing device for processing thin-walled fine parts of a molded case circuit breaker comprises a base 1, a pressing table 2, a pressing support 3, a pressing cylinder 4, an adjusting pull rod 5, a thrust spring 6, an adjusting block 7, a guide block 8, a guide slider 9, two sets of side clamping blocks 11 and two sets of pressing mechanisms, wherein the bottom end of the pressing table 2 is fixedly connected with the top end of the base 1, the pressing support 3 is fixedly arranged at the top end of the pressing table 2, the pressing cylinder 4 is fixedly arranged at the top end of the pressing support 3, a cavity is arranged in the pressing table 2, the adjusting pull rod 5 is slidably inserted in the middle of the left end of the pressing table 2, the adjusting pull rod 5 is sleeved outside the circumference of the adjusting pull rod 5, the thrust spring 6 is arranged in the pressing table 2, the right end of the adjusting pull rod 5 is fixedly connected with the left end of the adjusting block 7, the bottom end of the guide block 8 is fixedly connected with the top end of the adjusting block 7, the bottom end of a guide sliding block 9 is fixedly connected with the top end of a guide block 8, a guide sliding groove 10 is arranged on the left side of the top end of a press-fit table 2, the guide sliding block 9 is slidably arranged in the guide sliding groove 10, the bottom end of one group of side clamping blocks 11 is fixedly connected with the top end of the guide sliding block 9, the other group of side clamping blocks 11 is fixedly arranged on the right side of the top end of the press-fit table 2, and two groups of pressing mechanisms are respectively and rotatably arranged on the two groups of side clamping blocks 11; the adjusting pull rod 5 is pulled outwards, then the adjusting pull rod 5 drives the adjusting block 7 to move leftwards, then the adjusting block 7 drives the guide slide block 9 to slide in the guide slide groove 10 through the guide block 8, then the side clamping block 11 is driven to move leftwards through the guide slide block 9, meanwhile, the adjusting block 7 compresses the thrust spring 6 leftwards, then the workpiece is placed at the top end of the pressing table 2, then the adjusting pull rod 5 is loosened, the adjusting block 7 is pushed to move rightwards under the elastic force of the thrust spring 6, then the adjusting block 7 drives the guide block 8, the guide slide block 9 and the side clamping block 11 to move rightwards, then the two groups of side clamping blocks 11 are matched to clamp and fix the workpiece on the pressing table 2, then the pressing operation is carried out on the workpiece by starting the pressing cylinder 4, the adjusting block 7 is pushed to move by using the thrust spring 6, so as to drive the left side clamping block 11 to be tightly attached to the side end of the workpiece under the elastic force, and further quickly clamp and fix the workpiece on the pressing table 2, the use convenience is improved.

The utility model relates to a pneumatic pressing device for processing thin-wall small parts of a molded case circuit breaker, wherein a pressing mechanism comprises a rotating plate 12, a threaded sleeve ring 13, a threaded rod 14, a knob 15 and a top pressure plate 16, the rotating plate 12 is rotatably arranged on a side clamping block 11, the threaded sleeve ring 13 is fixedly communicated and arranged on the rotating plate 12, the threaded rod 14 is screwed on the threaded sleeve ring 13, the bottom end of the knob 15 is fixedly connected with the top end of the threaded rod 14, and the top end of the top pressure plate 16 is fixedly connected with the bottom end of the threaded rod 14; the rotating plate 12 is swung to the upper side of the workpiece, then the knob 15 is screwed, the knob 15 drives the threaded rod 14 to rotate, then the threaded rod 14 is in threaded fit with the threaded sleeve ring 13 to enable the threaded rod 14 to move downwards, then the threaded rod 14 which moves downwards drives the top pressure plate 16 to move downwards until the bottom end of the top pressure plate 16 is attached to the top end of the workpiece, then the workpiece is tightly pressed and fixed on the pressing table 2, the workpiece is prevented from loosening, and the use stability is improved.

The utility model relates to a pneumatic pressing device for machining thin-walled small parts of a molded case circuit breaker, which further comprises damping springs 17, a damping bottom plate 18, damping guide rods 19 and damping guide grooves 20, wherein a plurality of groups of damping springs 17 are fixedly arranged at the bottom end of a base 1, the top end of the damping bottom plate 18 is fixedly connected with the bottom ends of the groups of damping springs 17, two groups of damping guide rods 19 are symmetrically and fixedly arranged on the left side and the right side of the top end of the damping bottom plate 18, two groups of damping guide grooves 20 are symmetrically arranged at the bottom end of the base 1, and the two groups of damping guide rods 19 are inserted into the two groups of damping guide grooves 20 in a sliding manner; through setting up damping spring 17, the impact force that the buffer device working process of being convenient for produced through shock attenuation guide arm 19 and the cooperation of shock attenuation guide slot 20, the direction base 1 vibrations route of being convenient for improves stability in use.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises a limiting sleeve ring 21, wherein the limiting sleeve ring 21 is tightly sleeved at the left part of the outer side of the circumference of the adjusting pull rod 5 in a fastening mode; through setting up spacing lantern ring 21, restriction adjusting pull rod 5 slides the stroke right, avoids adjusting pull rod 5 to slide and can't extract to the rightmost end, improves stability in use.

The pneumatic pressing device for machining the thin-walled small part of the molded case circuit breaker further comprises a guide rod installation block 22 and a guide rod 23, wherein the guide rod installation block 22 is fixedly installed at the top end inside the pressing table 2, the right end of the guide rod 23 is fixedly connected with the left end of the guide rod installation block 22, the left end of the guide rod 23 is connected with the left end inside the pressing table 2, and the guide block 8 is slidably sleeved on the guide rod 23; through setting up guide bar 23, the regulating block 7 that removes is convenient for control in the direction avoids regulating block 7 to remove the in-process and takes place the skew, improves stability in use.

The pneumatic pressing device for processing the thin-walled small parts of the molded case circuit breaker further comprises roller mounting blocks 24 and rollers 25, wherein two groups of roller mounting blocks 24 are symmetrically and fixedly mounted at the bottom end of the adjusting block 7, one group of rollers 25 are rotatably mounted at the bottom end of each group of roller mounting blocks 24, and the bottom ends of the rollers 25 are tightly attached to the bottom end inside the pressing table 2; through setting up gyro wheel installation piece 24 and gyro wheel 25, at regulating block 7 lateral shifting in-process, rotate supplementary regulating block 7 through gyro wheel 25 and smoothly remove, avoid regulating block 7 to remove the in-process and take place the jamming, improve the stability in use.

The pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker further comprises anti-skidding grooves 26, wherein a plurality of groups of anti-skidding grooves 26 are arranged on the outer circumferential end face of the knob 15; through setting up antiskid groove 26, prevent to rotate knob 15 in-process and skid, improve stability in use.

According to the pneumatic pressing device for machining the thin-walled small parts of the molded case circuit breaker, the limiting plate 27 is fixedly arranged at the top end of the damping guide rod 19; through setting up limiting plate 27, restriction shock attenuation guide arm 19 and shock attenuation guide slot 20 cooperation stroke avoid shock attenuation guide arm 19 to break away from shock attenuation guide slot 20, improve stability in use.

The utility model relates to a pneumatic pressing device for processing thin-walled fine parts of a molded case circuit breaker, which comprises an adjusting pull rod 5, an adjusting block 7, a guide block 9, a side clamping block 11, a thrust spring 6, a workpiece, a pressing table 2, a knob 15, a threaded rod 14, a rotary rod 15 and a pressing block 9, wherein the adjusting pull rod 5 is pulled outwards when the pneumatic pressing device works, the adjusting pull rod 5 drives the adjusting block 7 to slide in a guide chute 10 through the guide block 8, the side clamping block 11 is driven to move leftwards through the guide block 9, the thrust spring 6 is compressed leftwards through the adjusting block 7, the workpiece is placed at the top end of the pressing table 2, the adjusting pull rod 5 is loosened, the adjusting block 7 is pushed to move rightwards under the action of the elastic force of the thrust spring 6, the adjusting block 7 drives the guide block 8, the guide block 9 and the side clamping block 11 to move rightwards, the two groups of side clamping blocks 11 are matched to clamp and fix the workpiece on the pressing table 2, the rotary plate 12 is swung to the upper side of the workpiece, the rotary rod 15 is screwed, the rotary rod 14 is driven by the knob 15 to rotate, then the threaded rod 14 is in threaded fit with the threaded sleeve ring 13 to enable the threaded rod 14 to move downwards, then the threaded rod 14 moving downwards drives the top pressing plate 16 to move downwards until the bottom end of the top pressing plate 16 is attached to the top end of the workpiece, then the workpiece is tightly pressed and fixed on the pressing table 2 to avoid the workpiece from loosening, and then the pressing cylinder 4 is started to perform pressing operation on the workpiece.

The pneumatic pressing device for processing the thin-walled small parts of the molded case circuit breaker is mounted, connected or arranged in a common mechanical mode, and can be implemented as long as the beneficial effects of the pneumatic pressing device are achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pneumatic pressing device for processing thin-walled fine parts of a molded case circuit breaker is characterized by comprising a base (1), a pressing table (2), a pressing support (3), a pressing cylinder (4), an adjusting pull rod (5), a thrust spring (6), an adjusting block (7), a guide block (8), a guide block (9), two groups of side clamping blocks (11) and two groups of pressing mechanisms, wherein the bottom end of the pressing table (2) is fixedly connected with the top end of the base (1), the pressing support (3) is fixedly arranged at the top end of the pressing table (2), the pressing cylinder (4) is fixedly arranged at the top end of the pressing support (3), a cavity is arranged in the pressing table (2), the adjusting pull rod (5) is inserted in the middle of the left end of the pressing table (2) in a sliding manner, the adjusting pull rod (5) is sleeved on the outer side of the circumference of the adjusting pull rod (5), and the thrust spring (6) is arranged in the pressing table (2), the right end of the adjusting pull rod (5) is tightly connected with the left end of the adjusting block (7), the bottom end of the guide block (8) is tightly connected with the top end of the adjusting block (7), the bottom end of the guide block (9) is tightly connected with the top end of the guide block (8), the left side of the top end of the pressing table (2) is provided with a guide chute (10), the guide block (9) is slidably mounted in the guide chute (10), the bottom end of one group of side clamping blocks (11) is tightly connected with the top end of the guide block (9), the other group of side clamping blocks (11) are fixedly mounted on the right side of the top end of the pressing table (2), and the two groups of pressing mechanisms are respectively rotatably mounted on the two groups of side clamping blocks (11).

2. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 1, wherein the pressing mechanism comprises a rotating plate (12), a threaded collar (13), a threaded rod (14), a knob (15) and a top pressing plate (16), the rotating plate (12) is rotatably installed on the side clamping block (11), the threaded collar (13) is fixedly communicated and installed on the rotating plate (12), the threaded rod (14) is screwed on the threaded collar (13), the bottom end of the knob (15) is fastened and connected with the top end of the threaded rod (14), and the top end of the top pressing plate (16) is fastened and connected with the bottom end of the threaded rod (14).

3. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 1, further comprising a damping spring (17), a damping bottom plate (18), a damping guide rod (19) and a damping guide groove (20), wherein a plurality of groups of damping springs (17) are fixedly installed at the bottom end of the base (1), the top end of the damping bottom plate (18) is fixedly connected with the bottom ends of the groups of damping springs (17), two groups of damping guide rods (19) are symmetrically and fixedly installed at the left side and the right side of the top end of the damping bottom plate (18), two groups of damping guide grooves (20) are symmetrically arranged at the bottom end of the base (1), and the two groups of damping guide rods (19) are slidably inserted into the two groups of damping guide grooves (20).

4. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker as claimed in claim 1, further comprising a position-limiting collar (21), wherein the position-limiting collar (21) is tightly fitted on the left part of the outer circumference of the adjusting pull rod (5).

5. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 1, further comprising a guide bar mounting block (22) and a guide bar (23), wherein the guide bar mounting block (22) is fixedly mounted at the top end inside the pressing table (2), the right end of the guide bar (23) is fixedly connected with the left end of the guide bar mounting block (22), the left end of the guide bar (23) is connected with the left end inside the pressing table (2), and the guide block (8) is slidably sleeved on the guide bar (23).

6. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 1, further comprising roller mounting blocks (24) and rollers (25), wherein two sets of roller mounting blocks (24) are symmetrically and fixedly mounted at the bottom end of the adjusting block (7), one set of rollers (25) is rotatably mounted at the bottom end of each set of roller mounting blocks (24), and the bottom ends of the rollers (25) are tightly attached to the inner bottom end of the pressing table (2).

7. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 2, further comprising anti-slip grooves (26), wherein the outer circumferential end surface of the knob (15) is provided with a plurality of sets of anti-slip grooves (26) in an array.

8. The pneumatic pressing device for thin-wall fine part machining of the molded case circuit breaker according to claim 3, wherein a limit plate (27) is fastened to the top end of the shock absorbing guide rod (19).