CN220839117U

CN220839117U - Positioning fixture for shell machining

Info

Publication number: CN220839117U
Application number: CN202322660342.3U
Authority: CN
Inventors: 刘磊
Original assignee: Kunshan Pgi Auto Parts Co ltd
Current assignee: Kunshan Pgi Auto Parts Co ltd
Priority date: 2023-10-05
Filing date: 2023-10-05
Publication date: 2024-04-26
Anticipated expiration: 2033-10-05

Abstract

The utility model relates to the technical field of machining equipment, in particular to a positioning clamp for shell machining, which comprises a bridge plate, wherein four corners of the upper end of the bridge plate are fixedly connected with hydraulic cylinders, the output ends of the hydraulic cylinders are rotationally connected with rod pieces, the lower ends of the rod pieces are movably connected with pressing plates, the upper ends of the hydraulic cylinders are rotationally connected with rotating blocks, the upper ends of the rotating blocks are rotationally connected with the rod pieces, rotating rods are uniformly rotationally connected inside the bridge plate, the rod walls of the rotating rods are movably connected with limiting rollers, the output ends of the hydraulic cylinders drive the rod pieces to move, the rod pieces move towards the center of the bridge plate under the action of the rotating blocks, the position of the rod pieces close to the center of the bridge plate moves downwards, the shell is pressed and limited, the rotating rods drive the limiting rollers to rotate through a transmission mechanism, the shell is pushed to the center of the bridge plate, the shell can be quickly reset and limited, and the processing efficiency of workers is improved.

Description

Positioning fixture for shell machining

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a positioning clamp for machining a shell.

Background

The processing content of the shell mainly comprises: the method comprises the steps of turning an end, inner hole, milling a surface, drilling, milling a surface and drilling an inclined hole. Due to the structural design of the shell, the end face and the motor hole are usually turned first, and the press-machined threaded hole and other features are clamped again. When the existing device clamps the shell, a worker is required to place the shell at the central position of the bridge plate, then the shell is fixed, repeated comparison is required when the shell is aligned with the central position, the alignment time is increased, and simultaneously, the two work of positioning and clamping cannot be simultaneously carried out, so that certain machining efficiency is affected.

Disclosure of utility model

In view of the above, the present utility model provides a positioning fixture for machining a housing, so as to solve the problem that when the conventional device clamps the housing, a worker is required to place the housing at the center of a bridge plate, then fix the housing, and when the housing is aligned with the center, the positioning fixture is troublesome, and requires repeated comparison, so that the alignment time is increased, and the positioning and clamping operations cannot be performed simultaneously, thereby affecting a certain machining efficiency.

Based on the above purpose, the utility model provides a positioning fixture for shell processing, which comprises a bridge plate, wherein hydraulic cylinders are fixedly connected to four corners of the upper end of the bridge plate, a rod piece is rotatably connected to the output end of each hydraulic cylinder, a pressing plate is movably connected to the lower end of each rod piece, a rotating block is rotatably connected to the upper end of each hydraulic cylinder, the upper end of each rotating block is rotatably connected with each rod piece, a rotating rod is uniformly rotatably connected to the inside of the bridge plate, a limiting roller is movably connected to the rod wall of each rotating rod, and a transmission mechanism is arranged between each hydraulic cylinder and each rotating rod and is used for enabling the rods to work simultaneously.

Preferably, the four corners department of lamina bridge all fixedly connected with L shape backup pad, the inner wall of L shape backup pad rotates and is connected with the threaded rod, the threaded rod rotates with the inside of lamina bridge to be connected with, the output fixedly connected with movable block of pneumatic cylinder, the inside of movable block and the pole wall upper end threaded connection of threaded rod, the lower extreme of threaded rod rotates through the belt with the pole wall lower extreme of bull stick and is connected.

Preferably, the lower extreme fixedly connected with first telescopic link of member, the inside fixedly connected with first spring of first telescopic link, the lower extreme and the clamp plate swing joint of first telescopic link, the equal fixedly connected with second telescopic link of pole wall upper and lower position of bull stick, the inside fixedly connected with second spring of second telescopic link, two the relative one side of second telescopic link rotates with the upper and lower position of limiting roller and is connected.

Preferably, the lower end of the first telescopic rod is rotatably connected with the upper end of the pressing plate.

Preferably, the upper end fixedly connected with workstation of bridge plate, the workstation is made for the metal material.

Preferably, one side of the moving block is attached to the side wall of the L-shaped supporting plate.

The utility model has the beneficial effects that:

1. The hydraulic cylinder output end drives the member to move, and under the effect of commentaries on classics piece, the member is close to the position of bridge center department, and the downwardly moving is suppressed spacingly to the shell, through drive mechanism, makes the bull stick rotate, and the bull stick drives spacing roller and rotates, pushes away the shell to the center department position of bridge, can return to the position and restriction effect to the shell fast to be convenient for process it to the workman, improved the efficiency of processing.

2. Through first telescopic link and first spring, can make the length of pushing down of clamp plate can have certain accommodation space, second telescopic link and second spring, make spacing roller pivoted interval have certain adjustable space, and like this both combine each other, when fixed spacing to the shell of different specifications, also can adapt to work well, and then improved the suitability of device.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic representation of an embodiment of the present utility model;

FIG. 2 is a schematic view of a threaded rod according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rod structure according to an embodiment of the present utility model;

Fig. 4 is a schematic view of a rotating rod structure according to an embodiment of the present utility model.

Marked in the figure as:

1. A bridge plate; 2. a hydraulic cylinder; 3. a rotating block; 4. a rod piece; 5. an L-shaped support plate; 6. a rotating rod; 7. a limit roller; 8. a work table; 9. a moving block; 10. a threaded rod; 11. a pressing plate; 12. a first telescopic rod; 13. a belt; 14. a second telescopic rod; 15. a first spring; 16. and a second spring.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 4, the utility model provides a positioning fixture for processing a shell, which comprises a bridge plate 1, wherein the upper end of the bridge plate 1 is fixedly connected with a workbench 8, the workbench 8 is made of metal, when the shell is processed, the service life can be prolonged because the workbench 1 is prevented from being damaged due to the fact that the workbench is made of metal, the four corners of the upper end of the bridge plate 1 are fixedly connected with a hydraulic cylinder 2, the hydraulic cylinder 2 is a driving device, the output end can move up and down, in the prior art, the output end of the hydraulic cylinder 2 is rotationally connected with a rod piece 4, in the description, in an initial state, the hydraulic cylinder 2 is in a contracted state, one end of the rod piece 4 far away from the hydraulic cylinder 2 is lifted upwards, the placing shell is not influenced, the output end of the hydraulic cylinder 2 moves up and down, the device comprises a rod piece 4, a pressing plate 11, a rotating block 3, a transmission mechanism, a driving mechanism, a rotating rod 4 and a rotating rod 6, wherein the pressing plate 11 is movably connected to the lower end of the rod piece 4, the pressing plate 11 is used for pressing a shell, the rotating block 3 is rotatably connected to the upper end of a hydraulic cylinder 2, the rotating block 3 is rotatably connected with the rod piece 4, the rod piece 4 can be driven to rotate to a certain extent when the output end of the hydraulic cylinder 2 moves up and down, the rotating rod 6 is uniformly rotatably connected to the inside of the bridge plate 1, a limit roller 7 is movably connected to the rod wall of the rotating rod 6, the limit roller 7 is driven to rotate when the rotating rod 6 rotates, and the four limit rollers 7 are arranged to move simultaneously, so how can enable a shell to be positioned in the center when in clamping, and the hydraulic cylinder 2 and the rotating rod 6 are provided with the transmission mechanism;

During operation, the output end of the hydraulic cylinder 2 drives the rod piece 4 to move, under the action of the rotating block 3, the rod piece 4 moves downwards at a position close to the center of the bridge plate 1, the shell is pressed and limited, meanwhile, the rotating rod 6 rotates through the transmission mechanism, the rotating rod 6 drives the limiting roller 7 to rotate, the shell is pushed to the center of the bridge plate 1, the two modes are simultaneously carried out, and the shell can be quickly reset and limited, so that workers can process the shell conveniently, and the processing efficiency is improved.

As shown in fig. 2, the four corners of the bridge plate 1 are fixedly connected with the inner walls of the L-shaped supporting plates 5,L, the threaded rods 10 are rotatably connected with the inner parts of the bridge plate 1, the output ends of the hydraulic cylinders 2 are fixedly connected with the moving blocks 9, one sides of the moving blocks 9 are attached to the side walls of the L-shaped supporting plates 5, the inner parts of the moving blocks 9 are in threaded connection with the upper ends of the rod walls of the threaded rods 10, and the lower ends of the threaded rods 10 are rotatably connected with the lower ends of the rod walls of the rotating rods 6 through belts 13;

When the hydraulic cylinder 2 works, the output end moves upwards at the moment, the output end drives the moving block 9 to move upwards, when the moving block 9 moves, the threaded rod 10 in threaded connection rotates, the threaded rod 10 rotates to drive the rotating rod 6 to rotate through the set belt 13, so that the pressing of the pressing plate 11 and the limiting roller 7 can be simultaneously carried out, the pressing of the pressing plate 11 and the limiting roller 7 are linked, a driving mechanism is not needed to be additionally arranged, the manufacturing cost is saved, and the limiting roller 7 contacts before the shell, so that the pressing plate 11 is prevented from pressing the shell when the position adjustment is carried out, and the position adjustment is influenced.

As shown in fig. 3 and 4, the lower end of the rod 4 is fixedly connected with a first telescopic rod 12, the inside of the first telescopic rod 12 is fixedly connected with a first spring 15, the lower end of the first telescopic rod 12 is movably connected with a pressing plate 11, the upper and lower positions of the rod wall of the rotating rod 6 are fixedly connected with a second telescopic rod 14, the inside of the second telescopic rod 14 is fixedly connected with a second spring 16, and the opposite sides of the two second telescopic rods 14 are rotatably connected with the upper and lower positions of the limiting roller 7;

Through first telescopic link 12 and first spring 15, can make the length of pushing down of clamp plate 11 can have certain accommodation space, second telescopic link 14 and second spring 16 make spacing roller 7 pivoted interval have certain adjustable space, and like this both combine each other, when fixed spacing to the shell of different specifications, also can adapt to work well, and then improved the suitability of device.

As shown in fig. 1-4, the lower end of the first telescopic rod 12 is rotatably connected with the upper end of the pressing plate 11, and the first telescopic rod 12 rotates with the pressing plate 11, so that when the pressing plate 11 contacts with the shell, certain rotation adjustment can be automatically performed, the pressing plate 11 can be completely attached to the shell, and the pressing effect is improved.

Working principle: during operation, the shell is placed at the upper end of the bridge plate 1, the output end of the hydraulic cylinder 2 drives the rod piece 4 to move, the rod piece 4 is close to the position of the center of the bridge plate 1 under the action of the rotating block 3 and moves downwards, the shell is pressed and limited, meanwhile, the output end of the hydraulic cylinder 2 moves upwards, the output end drives the moving block 9 to move upwards, when the moving block 9 moves, the threaded rod 10 in threaded connection rotates, the threaded rod 10 rotates to drive the rotating rod 6 to rotate through the set belt 13, the rotating rod 6 rotates, the rotating rod 6 drives the limiting roller 7 to rotate, the shell is pushed to the center of the bridge plate 1, and the two modes are simultaneously carried out, so that the shell can be quickly reset and limited, and the processing efficiency of workers is improved.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a positioning fixture for shell processing, includes bridge (1), its characterized in that, the equal fixedly connected with pneumatic cylinder (2) in upper end four corners department of bridge (1), the output of pneumatic cylinder (2) rotates and is connected with member (4), the lower extreme swing joint of member (4) has clamp plate (11), the upper end rotation of pneumatic cylinder (2) is connected with turning block (3), the upper end and the member (4) rotation of turning block (3) are connected, the inside even rotation of bridge (1) is connected with bull stick (6), the wall swing joint of bull stick (6) has spacing roller (7), pneumatic cylinder (2) are equipped with drive mechanism with bull stick (6), drive mechanism is used for making member (4) and bull stick (6) simultaneous working.

2. The positioning fixture for machining of shells according to claim 1, wherein the four corners of the bridge plate (1) are fixedly connected with L-shaped supporting plates (5), the inner walls of the L-shaped supporting plates (5) are rotationally connected with threaded rods (10), the threaded rods (10) are rotationally connected with the inside of the bridge plate (1), the output ends of the hydraulic cylinders (2) are fixedly connected with moving blocks (9), the inside of the moving blocks (9) is in threaded connection with the upper ends of the rod walls of the threaded rods (10), and the lower ends of the threaded rods (10) are rotationally connected with the lower ends of the rod walls of the rotating rods (6) through belts (13).

3. The positioning fixture for shell machining according to claim 2, wherein the lower end of the rod member (4) is fixedly connected with a first telescopic rod (12), a first spring (15) is fixedly connected to the inside of the first telescopic rod (12), the lower end of the first telescopic rod (12) is movably connected with a pressing plate (11), a second telescopic rod (14) is fixedly connected to the upper and lower positions of the rod wall of the rotating rod (6), a second spring (16) is fixedly connected to the inside of the second telescopic rod (14), and two opposite sides of the second telescopic rods (14) are rotatably connected with the upper and lower positions of the limiting roller (7).

4. A positioning jig for machining a housing according to claim 3, wherein the lower end of the first telescopic rod (12) is rotatably connected to the upper end of the pressing plate (11).

5. The positioning fixture for shell machining according to claim 1, wherein the upper end of the bridge plate (1) is fixedly connected with a workbench (8), and the workbench (8) is made of metal materials.

6. Positioning jig for machining a housing according to claim 2, characterized in that one side of the moving block (9) is attached to the side wall of the L-shaped support plate (5).