CN216230277U

CN216230277U - Pressure limiting structure for transmission gear die

Info

Publication number: CN216230277U
Application number: CN202121569864.7U
Authority: CN
Inventors: 陈金存; 韩虎
Original assignee: Dalian Minghui Precision Mould Co ltd
Current assignee: Dalian Minghui Precision Mould Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-04-08
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a pressure application limiting structure for a transmission gear die, and relates to the technical field of part processing. The pressing device comprises a placing assembly, a pressing plate, a supporting assembly and a pressing assembly, wherein the pressing plate is connected to the placing assembly in a sliding mode, the supporting assembly is detachably connected to the placing assembly, the pressing assembly is rotatably connected to the supporting assembly, the supporting assembly comprises a supporting frame and a limiting portion, the limiting portion is movably connected to one side of the supporting frame, the pressing assembly comprises a cam, a connecting piece and a connecting rod, the two ends of the connecting rod are rotatably connected with the connecting piece, and the connecting piece is movably connected to the cam. According to the die, the supporting component and the pressing component are arranged, the limiting part can be clamped on the cam of the pressing component by pushing the limiting part, the cam is fixed, the pressing plate is kept in a state of being tightly connected with the die body, and when the connecting rod moves downwards in die assembly, the cams on two sides can rotate simultaneously, so that the pressing plate can be stably connected with the die body.

Description

Pressure limiting structure for transmission gear die

Technical Field

The utility model belongs to the technical field of part machining, and particularly relates to a pressure application limiting structure for a transmission gear die.

Background

The pressure limiting structure for the transmission gear die is a structure capable of limiting the pressure of the die when the transmission gear die is used for manufacturing a transmission gear, and is common in the existing transmission gear processing.

The utility model discloses a current publication, CN 210850963U-a drive gear mould for step motor discloses the die holder, the bottom fixedly connected with pad foot of die holder, the both sides wall of die holder just is close to the equal fixedly connected with fixed plate of front side and rear side, the last fixed surface of fixed plate is connected with the bracing piece, the top fixedly connected with dead lever of bracing piece, the surface of dead lever is provided with the fly leaf, the surface of dead lever just is located and is provided with the spring between fly leaf and the bracing piece, the last fixed surface of die holder is connected with the die body, the top of die body is provided with the upper die base, the top of dead lever runs through the upper die base, the last fixed surface of upper die base is connected with the lug, the top swing joint of lug has first movable rod. Although the whole device is easy to operate during mold opening and closing and can greatly save the time for disassembling and assembling the mold, the device still has the following defects in the actual use process:

1. when the die is closed, two sides of the upper die base cannot be lowered at the same time, so that the heights of two ends of the die are easily inconsistent, defective products are produced, and physical strength is wasted during operation;

2. after the mold closing is finished, the hand lever cannot be fixed, and the hand lever needs to be always applied with force until the mold can be opened, which is very troublesome.

Therefore, the existing pressure limiting structure has low practicability and cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure limiting structure for a transmission gear mold, which can fix the rotation angle of a cam and stably and tightly connect a pressing plate on a placing assembly by arranging a supporting assembly and a pressure applying assembly, and solves the problems that two sides of an upper mold base cannot synchronously move and a hand lever needs to be continuously pressed when the existing structure is used.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a pressure limiting structure for a transmission gear mold, which comprises a placing assembly, a pressing plate, a supporting assembly and a pressure applying assembly, wherein the pressing plate is connected to the placing assembly in a sliding mode, the supporting assembly is detachably connected to the placing assembly, the pressure applying assembly is rotatably connected to the supporting assembly, the supporting assembly comprises a supporting frame and a limiting part, the limiting part is movably connected to one side of the supporting frame, the pressure applying assembly comprises a cam, a connecting piece and a connecting rod, the two ends of the connecting rod are respectively rotatably connected with the connecting piece, and the connecting piece is movably connected to the cam.

Furthermore, the placing assembly comprises a lower die base, a die body and a pressing part, the die body is placed on the lower die base, the pressing part is fixed on support columns on two sides of the lower die base, and the pressing part is arranged and used for pressing the pressing assembly when die assembly is carried out.

Further, the lower die holder is fixedly connected with a placing column, the pressure applying part is provided with an electric push rod, the bottom of the electric push rod is provided with a connecting pipe, and the electric push rod can be connected to the pressure applying assembly when being installed through the connecting pipe.

Furthermore, the pressing plate comprises an upper die base and a pressing pad, the pressing pad is fixedly connected to the upper die base, and the pressing pad is arranged to protect the upper die base and the pressing assembly when the pressing assembly presses on the upper die base.

Further, the support frame passes through the bolt fastening and places on the post, be provided with the support column on the support frame, be provided with the limiting plate in the spacing portion, the spacing groove has been seted up on the limiting plate, through setting up the spacing groove, when placing the subassembly and pressing the clamp plate zonulae occludens for the position of fixed cam.

Furthermore, a limiting block is arranged on one side of the cam, a sliding groove is formed in the cam, the connecting piece is movably connected in the sliding groove, a pressing piece is fixedly connected to one end of the cam, idler wheels are arranged at two ends of the pressing piece, a connecting pipe is connected to the connecting rod, and friction force between the pressing piece and the pressing plate can be reduced when the pressing plate is pressed through the arrangement of the idler wheels.

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the supporting component, when the pressing plate is tightly connected to the die body of the placing component by the pressing component, the limiting part can be clamped on the cam of the pressing component by pushing the limiting part to fix the cam, and after the cam is fixed, the pressing plate can be always kept in a state of being tightly connected with the die body, so that the pressing component is very convenient.

2. According to the utility model, by arranging the pressing component, when the die is closed, the connecting rod can stably move downwards by pressing the pressing component, and the cams at two sides can be driven to rotate simultaneously in the moving process of the connecting rod, so that the pressing components simultaneously press two ends of the pressing plate, the two sides of the pressing plate are uniformly stressed, the pressing plate can be stably and tightly connected to the die body, and the quality of produced parts is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic view of a press defining structure for a transmission gear die;

FIG. 2 is a schematic view of the connection between the placement module and the pressing plate according to the present invention;

FIG. 3 is a schematic structural view of the support assembly of the present invention;

fig. 4 is a schematic structural view of a pressing assembly according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. placing the component; 11. a lower die holder; 111. placing the column; 12. a mold body; 13. a pressing part; 131. an electric push rod; 132. a connecting pipe; 2. a pressing plate; 21. an upper die holder; 22. a pressing pad; 3. a support assembly; 31. a support frame; 311. a support bar; 32. a limiting part; 321. a limiting plate; 4. a pressure applying assembly; 41. a cam; 411. a limiting block; 412. a chute; 413. applying a pressing piece; 42. a connecting member; 43. a connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention is a pressure limiting structure for a transmission gear mold, including a placing assembly 1, a pressing plate 2, a supporting assembly 3 and a pressure assembly 4, wherein the pressing plate 2 is slidably connected to the placing assembly 1, the supporting assembly 3 is detachably connected to the placing assembly 1, and the pressure assembly 4 is rotatably connected to the supporting assembly 3.

As shown in fig. 1-2 and 4, the placing assembly 1 includes a lower die base 11, a die body 12 and a pressing portion 13, the die body 12 is placed on the lower die base 11, the pressing portion 13 is fixed on support columns at two sides of the lower die base 11, a placing column 111 is fixedly connected to the lower die base 11, an electric push rod 131 is arranged in the pressing portion 13, a connecting pipe 132 is arranged at the bottom of the electric push rod 131, the pressing plate 2 includes an upper die base 21 and a pressing pad 22, the pressing pad 22 is fixedly connected to the upper die base 21, the pressing assembly 4 includes a cam 41, a connecting member 42 and a connecting rod 43, two ends of the connecting rod 43 are rotatably connected with the connecting member 42, the connecting member 42 is movably connected to the cam 41, a sliding groove 412 is formed in the cam 41, the connecting member 42 is movably connected to the sliding groove 412, one end of the cam 41 is fixedly connected with the pressing portion 413, two ends of the pressing portion 413 are provided with rollers, the connecting rod 43 is connected with the connecting pipe 132, in preparation, the mold body 12 is first placed on the lower mold base 11, the upper mold base 21 is then connected to the placing assembly 1, the support assembly 3 is connected to the placing column 111, and the cam 41 is connected to the support assembly 3, and since the connecting rod 43 of the pressing assembly 4 is a detachable structure, the connecting rod 43 can be connected to the connecting tube 132, when in use, the electric push rod 131 starts to extend, the connecting rod 43 is pressed through the connecting tube 132, since the connecting tube 132 is located at a position in the middle of the connecting rod 43, when the connecting rod 43 moves downward, the cam 41 connected at both ends through the connecting member 42 is rotated at the same speed, so that the descending distances of the pressing members 413 on the two cams 41 are kept consistent, when the pressing members 413 contact the pressing pads 22, the pressing assembly 4 starts to smoothly press the pressing plate 2, as the height of the pressing member 413 is lowered, the pressing member 4 applies more pressure to the pressing plate 2, so that the pressing plate 2 can be tightly coupled to the mold body 12.

As shown in fig. 1 and fig. 3-4, the supporting component 3 includes a supporting frame 31 and a limiting portion 32, the limiting portion 32 is movably connected to one side of the supporting frame 31, the supporting frame 31 is fixed on the placing column 111 by bolts, a supporting rod 311 is arranged on the supporting frame 31, a limiting plate 321 is arranged on the limiting portion 32, a limiting groove is formed on the limiting plate 321, a limiting block 411 is arranged on one side of the cam 41, when the supporting frame 31 is installed, the cam 41 is firstly connected to the supporting rod 311 of the supporting frame 31, the supporting frame 31 is then inserted into the placing column 111 and is fixed by bolts, finally, the placing component 1 is connected to the pressing component 4, when the placing component 1 is used, the pressing component 4 is pressed downwards to tightly connect the pressing plate 2 with the placing component 1, when the pressing plate 2 is tightly connected with the mold body 12 of the placing component 1, only two limiting portions 32 need to be pushed, the limiting groove on the limiting part 32 can be connected to the limiting block 411 on the cam 41, when the limiting part 32 is connected to the cam 41, the cam 41 can be fixed, the cam 41 is prevented from rotating on the supporting rod 311, the pressing component 4 is kept in a state of tightly pressing the pressing plate 2 on the placing component 1, at the moment, the placing component 1 can not need to forcibly press the pressing component 4, when the mold opening is needed, because the placing component 1 is kept at the previous position, only the pressure on the pressing component 4 needs to be slightly increased at the moment, meanwhile, the limiting part 32 is rapidly drawn out, when the limiting part 32 leaves the pressing component 4, the placing component 1 stops downwards pressing the pressing component 4 and reversely moves, finally, the supporting component 3 is detached, the pressing plate 2 is taken down, and the mold opening is carried out.

One specific application of this embodiment is: the first step, when installing, connect the pressing plate 2 on placing the assembly 1 at first, and connect the supporting component 3 on placing the assembly 1, the second step, then connect the cam 41 of the assembly 4 of exerting pressure on the supporting component 3, connect the brace rod 43 on the pressure applying portion 13 of placing the assembly 1 at the same time, the third step, when using, move down the assembly 4 of exerting pressure through the pressure applying portion 13, make the assembly 4 of exerting pressure press the pressing plate 2 to press, when the assembly 4 of exerting pressure will press the inseparable connection of the pressing plate 2 on the die body 12, can fix the position of the assembly 4 of exerting pressure through the supporting component 3, at last when needing the die sinking, move out the spacing portion 32 of the supporting component 3, make the assembly 4 of exerting pressure can move, thus make the pressing plate 2 can take off, carry out the die sinking.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. A structure of injecing of exerting pressure for drive gear mould, is including placing subassembly (1), pressing board (2), supporting component (3) and subassembly (4) of exerting pressure, its characterized in that: the pressing plate (2) is connected to the placing assembly (1) in a sliding mode, the supporting assembly (3) is detachably connected to the placing assembly (1), and the pressing assembly (4) is connected to the supporting assembly (3) in a rotating mode;

the supporting component (3) comprises a supporting frame (31) and a limiting part (32), and the limiting part (32) is movably connected to one side of the supporting frame (31);

the pressing assembly (4) comprises a cam (41), a connecting piece (42) and a connecting rod (43), wherein the connecting piece (42) is rotatably connected to two ends of the connecting rod (43), and the connecting piece (42) is movably connected to the cam (41).

2. The pressing limiting structure for the transmission gear die as claimed in claim 1, wherein the placing assembly (1) comprises a lower die holder (11), a die body (12) and pressing parts (13), the die body (12) is placed on the lower die holder (11), and the pressing parts (13) are fixed on support columns at two sides of the lower die holder (11).

3. The pressing limiting structure for the transmission gear die as claimed in claim 2, wherein a placing column (111) is fixedly connected to the lower die holder (11), an electric push rod (131) is arranged in the pressing portion (13), and a connecting pipe (132) is arranged at the bottom of the electric push rod (131).

4. The pressing defining structure for a transmission gear die as claimed in claim 1, wherein the pressing plate (2) includes an upper die base (21) and a pressing pad (22), and the pressing pad (22) is fixedly connected to the upper die base (21).

5. The pressing limiting structure for the transmission gear mold according to claim 1, wherein the supporting frame (31) is fixed on the placing column (111) through a bolt, a supporting rod (311) is arranged on the supporting frame (31), a limiting plate (321) is arranged on the limiting portion (32), and a limiting groove is formed in the limiting plate (321).

6. The pressing limiting structure for the transmission gear mold as claimed in claim 1, wherein a limiting block (411) is provided at one side of the cam (41), a sliding groove (412) is provided on the cam (41), the connecting member (42) is movably connected in the sliding groove (412), a pressing member (413) is fixedly connected to one end of the cam (41), rollers are provided at both ends of the pressing member (413), and a connecting pipe (132) is connected to the connecting rod (43).