CN215090175U

CN215090175U - Bevel gear plastic forming device

Info

Publication number: CN215090175U
Application number: CN202120659491.6U
Authority: CN
Inventors: 王文明; 李新军; 纪宝华
Original assignee: Shandong Wenling Precision Forging Technology Co ltd
Current assignee: Shandong Wenling Precision Forging Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-10
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a bevel gear plastic forming device, which comprises a bevel gear lower die stamping mechanism, wherein the bevel gear lower die stamping mechanism comprises a bevel gear lower die, a round concave hole is arranged on the upper surface of the bevel gear lower die, a limit block is fixedly connected to the side surface of the circumference of the bevel gear lower die, a round through hole is arranged on the upper surface of the limit block, a spherical groove is arranged on the side of the round through hole away from the bevel gear lower die, an inserted bar is movably connected to the inner wall of the round concave hole, a round ring is fixedly connected to the upper surface of the inserted bar, a limit arc block is fixedly connected to the inner wall of the round ring, a lower die connecting base is arranged below the bevel gear lower die, the limit arc block limits the upper die above in the horizontal direction, better guarantees the bevel gear forming quality, reduces the bevel gear production cost, improves the production efficiency, the whole mechanism is connected in a clamping manner, and is beneficial to cleaning and replacing the whole mechanism, the forming quality of the bevel gear is better ensured.

Description

Bevel gear plastic forming device

Technical Field

The utility model relates to a bevel gear, in particular to bevel gear plastic forming device belongs to the gear mould field.

Background

The plastic forming is a process method for processing a workpiece with little cutting or no cutting under the action of external force of a tool and a die by utilizing the plasticity of materials. Due to the characteristics of the process itself, although it has a long development history, it is under continuous research and innovation, and new processes and new methods are endless. The basic purposes of the research and innovation are not only to increase the plasticity of materials, improve the precision and the performance of formed parts, reduce the deformation force, prolong the service life of a die, save energy and the like. The plastic forming principle is the basic theoretical knowledge for realizing the purposes; the first-time course for learning the course is mainly 'material mechanics' and 'metallology', and is an important component of the die subject. Plastic forming techniques are also used in the production of bevel gears.

As disclosed in the chinese patent: straight bevel gear finish forging mould, patent number: CN204135262U, in the comparison document, the upper die applies pressure to the lower die along with the electric screw press until the upper die contacts with the end face to make the product fill the cavity, in this process, the upper die and the lower die directly perform stamping without an auxiliary displacement mechanism, when slight horizontal displacement occurs between the upper die and the lower die, the quality of the bevel gear will be affected, and the use of the bevel gear will be affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bevel gear plastic forming device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bevel gear plastic forming device comprises a bevel gear lower die stamping mechanism, the bevel gear lower die stamping mechanism comprises a bevel gear lower die, a circular concave hole is formed in the upper surface of the bevel gear lower die, a limiting block is fixedly connected to the circumferential side surface of the bevel gear lower die, a circular through hole is formed in the upper surface of the limiting block, a spherical groove is formed in the side, away from the bevel gear lower die, of the circular through hole, an inserting rod is movably connected to the inner wall of the circular concave hole, a circular ring is fixedly connected to the upper surface of the inserting rod, a limiting arc block is fixedly connected to the inner wall of the circular ring, a lower die connecting base is arranged below the bevel gear lower die, a stamping upper die is arranged above the bevel gear lower die and comprises a base, a limiting groove is formed in the upper surface of the base, and a circular groove is formed in the right side surface of the inner wall of the limiting groove, the circular groove inner wall right flank fixedly connected with spring, the spring left flank fixedly connected with steel ball.

Preferably, the stamping upper die comprises a pressing plate, the pressing plate is fixedly connected with an upper die, the pressing plate is fixedly connected with a connecting rod on the circumferential side, the connecting rod is far away from a limit inserting rod at one end of the pressing plate, the bevel gear lower die is movably connected with the upper surface of a circular ring and the lower surface of a limit arc block, the circular groove is arranged by taking the base as the center in a bilateral symmetry mode, the limit groove inner wall is movably connected with the bevel gear lower die and the outer side surface of a limit block, the outer side surface of a steel ball is slidably connected with the inner wall of the circular groove, the outer side surface of the steel ball is movably connected with the inner wall of the spherical groove, the upper die is movably connected with the upper surface of the bevel gear lower die, the circumferential side surface of the limit inserting rod is movably connected with the inner wall of the circular through hole, and the lower surface of the connecting rod is movably connected with the upper surface of the circular ring and the limit arc block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the bevel gear plastic forming device is used, a user fixes the upper surface of a pressing plate on a power shaft of a stamping device, fixes the lower surface of a base on a base, fills raw materials in a lower bevel gear die, starts the stamping device, drives the whole upper stamping die to move towards the lower bevel gear die at the lower end by the power shaft, inserts a limiting inserting rod into a circular through hole firstly, so that the upper and lower dies can carry out alignment, then the upper stamping die continues to move downwards, when the lower surface of the upper die is attached to the upper surface of the lower bevel gear die, the bevel gear finishes plastic forming, the user resets the power shaft, a limiting groove in a lower die connecting base is attached to the base, the lower bevel gear die is clamped by matching of a spring and a steel ball, and the lower bevel gear dies with different sizes can be conveniently replaced by the user for punch forming, the use efficiency is improved, the circular through hole is limited in the upper die carrying direction above the conical gear lower die stamping mechanism, and the forming rate of the conical gear is improved.

2. This bevel gear plasticity forming device, ring and spacing arc piece in bevel gear bed die stamping mechanism are connected through inserted bar and bevel gear bed die, unnecessary raw materials can be stayed in the ring when injecting into the raw materials in the bevel gear bed die too much, avoid unnecessary raw materials to spill over and remain and do not clear up well on the bevel gear bed die, influence the use of bevel gear bed die once more, spacing arc piece carries out the spacing of horizontal direction to the last mould of top, the fashioned quality of better assurance bevel gear, bevel gear's manufacturing cost has been reduced, the production efficiency has been improved, whole mechanism is connected through the mode of joint, be favorable to clearing up and changing whole mechanism, the fashioned quality of better assurance bevel gear.

Drawings

Fig. 1 is a schematic front structural view of a bevel gear plastic forming device of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the stamping mechanism of the bevel gear lower die of the present invention;

FIG. 3 is a schematic cross-sectional view of the lower mold connecting base according to the present invention;

fig. 4 is the schematic view of the cross-sectional structure of the stamping upper die of the present invention.

In the figure: 1. a bevel gear lower die stamping mechanism; 101. a bevel gear lower die; 102. a circular concave hole; 103. a limiting block; 104. a circular through hole; 105. a spherical groove; 106. inserting a rod; 107. a circular ring; 108. a limiting arc block; 2. the lower die is connected with the base; 201. a base; 202. a limiting groove; 203. a circular groove; 204. a spring; 205. steel balls; 3. punching an upper die; 301. pressing a plate; 302. an upper die; 303. a connecting rod; 304. and a limiting inserted rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bevel gear plastic forming device comprises a bevel gear lower die stamping mechanism 1, the bevel gear lower die stamping mechanism 1 comprises a bevel gear lower die 101, a circular concave hole 102 is arranged on the upper surface of the bevel gear lower die 101, a limit block 103 is fixedly connected to the circumferential side surface of the bevel gear lower die 101, a circular through hole 104 is arranged on the upper surface of the limit block 103, a spherical groove 105 is arranged on the side, away from the bevel gear lower die 101, of the circular through hole 104, an inserted link 106 is movably connected to the inner wall of the circular concave hole 102, a circular ring 107 is fixedly connected to the upper surface of the inserted link 106, a limit arc block 108 is fixedly connected to the inner wall of the circular ring 107, a lower die connecting base 2 is arranged below the bevel gear lower die 101, a stamping upper die 3 is arranged above the bevel gear lower die 101, the lower die connecting base 2 comprises a base 201, a limit groove 202 is arranged on the upper surface of the base 201, and a circular groove 203 is arranged on the right side surface of the inner wall of the limit groove 202, the right side surface of the inner wall of the circular groove 203 is fixedly connected with a spring 204, and the left side surface of the spring 204 is fixedly connected with a steel ball 205.

Wherein, the upper stamping die 3 comprises a pressing plate 301, the lower surface of the pressing plate 301 is fixedly connected with an upper die 302, the circumferential side surface of the pressing plate 301 is fixedly connected with a connecting rod 303, one end of the connecting rod 303 far away from the pressing plate 301 is fixedly connected with a limiting inserted rod 304, the upper surface of the lower bevel gear die 101 is movably connected with the lower surfaces of the circular ring 107 and the limiting arc block 108, the two circular grooves 203 are arranged in bilateral symmetry by taking the base 201 as the center, the inner wall of the limiting groove 202 is movably connected with the outer side surfaces of the lower bevel gear die 101 and the limiting block 103, the outer side surface of the steel ball 205 is slidably connected with the inner wall of the circular groove 203, the outer side surface of the steel ball 205 is movably connected with the inner wall of the spherical groove 105, the lower surface of the upper die 302 is movably connected with the upper surface of the lower bevel gear die 101, the circumferential side surface of the limiting inserted rod 304 is movably connected with the inner wall of the circular through hole 104, the lower surface of the connecting rod 303 is movably connected with the upper surfaces of the circular ring 107 and the limiting arc block 108, and the limiting arc block 108 limits the upper die 302 in the horizontal direction, better assurance bevel gear fashioned quality has reduced bevel gear's manufacturing cost, has improved production efficiency, and whole mechanism connects through the mode of joint, is favorable to clearing up and changing whole mechanism, better assurance bevel gear fashioned quality.

Specifically, when the utility model is used, the user fixes the upper surface of the pressing plate 301 on the power shaft of the stamping device when using, fixes the lower surface of the base 201 on the base, then the user fills the raw material inside the bevel gear lower die 101, then the user starts the stamping device, at the moment, the power shaft drives the whole stamping upper die 3 to move towards the bevel gear lower die 101 at the lower end, at the moment, the limiting inserted rod 304 is firstly inserted into the circular through hole 104, so that the upper and lower dies can align to the upper and lower dies, then the stamping upper die 3 continues moving downwards, when the lower surface of the upper die 302 aligns to the upper surface of the bevel gear lower die 101, the bevel gear completes plastic forming, the user can reset the power shaft, the limiting groove 202 in the lower die connecting base 2 is aligned to the base 201, and the bevel gear lower die 101 is clamped by the matching of the spring 204 and the steel ball 205, which is beneficial for the user to replace the bevel gear lower dies 101 with different sizes for punch forming, the use efficiency is improved, the circular through hole 104 in the bevel gear lower die stamping mechanism 1 limits the upper die 302 in the direction, the forming rate of the bevel gear is improved, a circular ring 107 and a limit arc block 108 in the bevel gear lower die stamping mechanism 1 are connected with the bevel gear lower die 101 through an inserted link 106, when the amount of material injected into the bevel gear lower die 101 is excessive the excess material may remain in the annular ring 107, avoid unnecessary raw materials to overflow and remain and not clear up well on bevel gear bed die 101, influence bevel gear bed die 101 use once more, spacing arc piece 108 carries out the spacing of horizontal direction to the last mould 302 of top, the fashioned quality of better assurance bevel gear, bevel gear's manufacturing cost has been reduced, and the production efficiency is improved, and whole mechanism is connected through the mode of joint, is favorable to clearing up and changing whole mechanism, the better fashioned quality of bevel gear of having guaranteed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bevel gear plastic forming device, includes bevel gear bed die stamping mechanism (1), bevel gear bed die stamping mechanism (1) includes bevel gear bed die (101), its characterized in that: the upper surface of the bevel gear lower die (101) is provided with a circular concave hole (102), the side surface of the circumference of the bevel gear lower die (101) is fixedly connected with a limiting block (103), the upper surface of the limiting block (103) is provided with a circular through hole (104), one surface, away from the bevel gear lower die (101), of the circular through hole (104) is provided with a spherical groove (105), the inner wall of the circular concave hole (102) is movably connected with an inserting rod (106), the upper surface of the inserting rod (106) is fixedly connected with a circular ring (107), and the inner wall of the circular ring (107) is fixedly connected with a limiting arc block (108);

a lower die connecting base (2) is arranged below the bevel gear lower die (101);

and a stamping upper die (3) is arranged above the bevel gear lower die (101).

2. The plastic forming apparatus for bevel gears according to claim 1, wherein: the lower die connecting base (2) comprises a base (201), a limiting groove (202) is formed in the upper surface of the base (201), a circular groove (203) is formed in the right side face of the inner wall of the limiting groove (202), a spring (204) is fixedly connected to the right side face of the inner wall of the circular groove (203), and a steel ball (205) is fixedly connected to the left side face of the spring (204).

3. The plastic forming apparatus for bevel gears according to claim 1, wherein: the stamping upper die (3) comprises a pressing plate (301), the lower surface of the pressing plate (301) is fixedly connected with an upper die (302), the circumferential side surface of the pressing plate (301) is fixedly connected with a connecting rod (303), and the connecting rod (303) is far away from a limiting insertion rod (304) fixedly connected with one end of the pressing plate (301).

4. The plastic forming apparatus for bevel gears according to claim 2, wherein: the upper surface of the bevel gear lower die (101) is movably connected with the circular ring (107) and the lower surface of the limiting arc block (108), and the two circular grooves (203) are arranged in a bilateral symmetry mode by taking the base (201) as the center.

5. The plastic forming apparatus for bevel gears according to claim 2, wherein: the inner wall of the limiting groove (202) is movably connected with the lower bevel gear die (101) and the outer side face of the limiting block (103), the outer side face of the steel ball (205) is slidably connected with the inner wall of the circular groove (203), and the outer side face of the steel ball (205) is movably connected with the inner wall of the spherical groove (105).

6. The plastic forming apparatus for bevel gears according to claim 3, wherein: the lower surface of the upper die (302) is movably connected with the upper surface of the bevel gear lower die (101), the circumferential side surface of the limiting inserted rod (304) is movably connected with the inner wall of the circular through hole (104), and the lower surface of the connecting rod (303) is movably connected with the upper surfaces of the circular ring (107) and the limiting arc block (108).