Bulk gear forging die

Abstract

The utility model relates to a bulk gear forging die which comprises a bottom die base arranged oppositely and a top die base fixedly connected to a pressure driving mechanism, the opposite ends of the bottom die base and the top die base are provided with a bottom forging die and a top forging die respectively, the bottom forging die and the top forging die are used in cooperation, and a buffering piece comprises a bottom sleeve arranged on the periphery of the bottom forging die. A limiting part, a spring and a movable part are sequentially arranged in the bottom sleeve from bottom to top, when the top die base is moved to be close to the bottom die base, the bottom end of the top die base can push the movable part to be close to the limiting block, and when the bottom forging die makes contact with the top forging die, the movable part abuts against the limiting block. According to the utility model, the pressure driving mechanism can be prevented from continuously enabling the top forging die to press the bottom forging die, and meanwhile, the impact force of the top forging die can be uniformly dispersed to the limiting blocks in the bottom sleeves, so that the impact force to the forging die is shared, and the damage to the forging die in the forging process can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gear forging dies, in particular to a bulk gear forging die. Background Art

[0002] Bulk gears refer to non-continuous, individual gears, such as spur gears, etc., which are usually used in mechanical equipment such as power transmission, speed change, steering, etc. Forging dies are a type of forming die that uses external force to shape metal to produce the desired shape and size.

[0003] The utility model with application number CN202222928656.2 discloses a new forging die for gear forgings, including a lower forging die fixed on a press machine platform and an upper forging die fixed to a driving part of the press machine. The lower forging die and the upper forging die are respectively provided with a lower forging die and an upper forging die for use in conjunction with each other on the opposing surfaces of the lower forging die and the upper forging die, and a buffer mechanism is provided in the mounting groove.

[0004] Although the above-mentioned device can alleviate the impact force when the upper forging die contacts the lower forging die through the buffer mechanism, when the controller controls the press driving part to drive the upper forging plate to be pressed down into place, the upper forging plate is easily driven to continue to press down the upper forging die or the forging die due to the accuracy of the moving distance of the press driving part. After long-term stamping, the upper forging die and the forging die are still easily damaged. Utility Model Content

[0005] The utility model aims at the deficiencies of the prior art and provides a bulk gear forging die. The specific technical scheme is as follows:

[0006] A bulk gear forging die comprises a bottom die seat and a top die seat which are arranged opposite to each other and are fixed to a pressure driving mechanism, wherein the bottom die seat and the top die seat are respectively provided with a bottom forging die and a top forging die at their facing ends, and the bottom forging die and the top forging die are used in coordination with each other, and a plurality of buffers are provided on one side of the bottom die seat close to the top die seat, and the buffers comprise a bottom sleeve which is arranged on the periphery of the bottom forging die, and a limiting part, a spring and a movable part are arranged in sequence from the bottom to the top inside of the bottom sleeve, and when the top die seat is moved close to the bottom die seat, the bottom end of the top die seat can push the movable part close to the limiting block, and when the bottom forging die and the top forging die are in contact, the movable part and the limiting block are in conflict with each other.

[0007] As an improvement of the above technical solution: the limiting part includes a limiting block fixedly connected to the bottom end of the inner wall of the bottom sleeve, the movable part includes a top sliding column inserted into the top end of the bottom sleeve, the bottom end of the top sliding column has a bottom sliding column, and the bottom sliding column is inserted into the interior of the spring.

[0008] As an improvement of the above technical solution: the top side of the inner wall of the bottom sleeve is provided with at least one side groove arranged along the length direction of the bottom sleeve, the side surface of the top sliding column has a side sliding block corresponding to the side groove, and one end of the side sliding block is slidably connected to the side groove.

[0009] As an improvement of the above technical solution: a top groove in a U-shaped arrangement is provided on one side of the bottom mold base close to the top mold base, and a plurality of the buffer members are evenly distributed in the top groove.

[0010] As an improvement of the above technical solution: a bottom groove is opened at the top center of one of the limit blocks, and a pressure sensor is fixedly installed in the bottom groove.

[0011] As an improvement of the above technical solution: it also includes a controller, and the pressure sensor and the pressure driving mechanism are both connected to the controller.

[0012] Beneficial effects of the utility model:

[0013] 1. When the top forging die on the top die seat is pressed down by the pressure driving mechanism to approach the bottom forging die, in the process of gradually approaching, the bottom end of the top die seat will first conflict with the top sliding column, and the bottom end of the top sliding column will contact the spring. The spring plays a buffering role on the top die seat and the top forging die, avoiding the top forging die from instantly conflicting with the bottom forging die and causing damage to the forging die. At the same time that the top forging die is in contact with the bottom forging die, the bottom sliding column will conflict with the limit block. On the one hand, it can prevent the pressure driving mechanism from continuing to let the top forging die press down on the bottom forging die, and on the other hand, it can allow the impact force of the top forging die to be evenly dispersed to the limit blocks inside multiple bottom sleeves, sharing the impact force on the forging die.

[0014] 2. When the bottom slide column contacts the limit block, the bottom slide column will squeeze the pressure elasticity detection end of the pressure sensor. When the pressure elasticity detection end reaches the pressure value preset by the controller, the pressure sensor will control the controller to stop the pressure drive mechanism from continuing to press down on the top die seat, thereby effectively avoiding damage to the forging die during the forging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the buffer member in the utility model.

[0017] Figure numerals: 1, bottom die seat; 10, top groove; 11, bottom forging die; 2, top die seat; 21, top forging die; 3, buffer; 30, side groove; 301, side slide block; 31, bottom sleeve; 32, spring; 33, limit block; 331, bottom groove; 34, pressure sensor; 35, top slide column; 36, bottom slide column. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] Example

[0020] For bulk gear forging dies, please refer to Figure 1-Figure 2 , a bulk gear forging die, comprising a bottom die seat 1 and a top die seat 2 fixedly connected to a pressure driving mechanism, which are arranged opposite to each other. Specifically, the bottom die seat 1 can be fixedly installed on a workbench, and the pressure driving mechanism is a pressure driving mechanism in the prior art, such as a hydraulic cylinder, which drives the top die seat 2 to press downward toward the bottom die seat 1. The bottom die seat 1 and the top die seat 2 are respectively provided with a bottom forging die 11 and a top forging die 21 at the facing ends thereof, and the bottom forging die 11 and the top forging die 21 are used in coordination, and a plurality of buffer members 3 are provided on one side of the bottom die seat 1 close to the top die seat 2;

[0021] Specifically, the length of the exposed part of the buffer 3 can be greater than the total length of the exposed parts of the bottom forging die 11 and the top forging die 21, so that it can play a buffering role between the bottom forging die 11 and the top forging die 21. The buffer 3 includes a bottom sleeve 31 arranged on the periphery of the bottom forging die 11, and the interior of the bottom sleeve 31 is sequentially provided with a limiting part, a spring 32 and a movable part from bottom to top. When the top die seat 2 is moved close to the bottom die seat 1, the bottom end of the top die seat 2 can push the movable part close to the limit block 33. When the bottom forging die 11 and the top forging die 21 are in contact, the movable part and the limit block 33 are in conflict. Specifically, the facing end faces of the top sliding column 35 and the limit block 33 are flush when in contact.

[0022] In an optional embodiment: the limiting portion includes a limiting block 33 fixedly connected to the bottom end of the inner wall of the bottom sleeve 31, the spring 32 can be inserted into the bottom sleeve 31, or its bottom end is fixedly connected to the inner wall of the bottom sleeve 31, so as to play a buffering role for the movable part, and the movable part includes a top sliding column 35 inserted into the top end of the bottom sleeve 31, and the bottom end of the top sliding column 35 has a bottom sliding column 36, and the bottom sliding column 36 is inserted into the interior of the spring 32. Specifically, the top sliding column 35 is arranged in a T shape.

[0023] In an optional embodiment: the top side of the inner wall of the bottom sleeve 31 is provided with at least one side groove 30 arranged along the length direction of the bottom sleeve 31, and the side surface of the top sliding column 35 has a side sliding block 301 corresponding to the side groove 30, and one end of the side sliding block 301 is slidably connected to the side groove 30, so that the top sliding column 35 can be limited to a certain extent by the side sliding block 301 and the side groove 30.

[0024] In an optional embodiment: a top groove 10 in a U-shaped configuration is provided on one side of the bottom die seat 1 close to the top die seat 2, a plurality of buffer members 3 are evenly distributed in the top groove 10, and a bottom end of a bottom sleeve 31 is fixedly connected to the bottom end of the top groove 10, so that the plurality of buffer members 3 can evenly buffer the top die seat 2 and the top forging die 21 that are pressed downward.

[0025] In an optional embodiment: a bottom groove 331 is opened at the top center of one of the limit blocks 33, and a pressure sensor 34 is fixedly installed in the bottom groove 331. Specifically, the pressure sensor 34 has a deformable pressure elastic pressure end for testing pressure at one end close to the bottom sliding column 36.

[0026] In an optional embodiment: a controller is also included, and the pressure sensor 34 and the pressure drive mechanism are both connected to the controller, and the connection method is electrical connection or wireless communication connection. The controller can be installed in a suitable place such as the bottom mold base 1, the top mold base 2 or the workbench.

[0027] Specifically, when the top forging die 21 on the top die seat 2 is pressed down by the pressure driving mechanism to approach the bottom forging die 11, in the process of gradually approaching, the bottom end of the top die seat 2 will first conflict with the top sliding column 35, and the bottom end of the top sliding column 35 will contact the spring 32, and the spring 32 will play a buffering role on the top die seat 2 and the top forging die 21, so as to avoid the top forging die 21 from instantly conflicting with the bottom forging die 11, that is, the impact force is too large and causes damage to the forging die, and when the top forging die 21 contacts the bottom forging die 11, the bottom sliding column 36 will conflict with the limit block 33, on the one hand, it can prevent the pressure driving mechanism from continuing to let the top forging die 21 press down on the bottom forging die 11, and on the other hand, it can make the impact force of the top forging die 21 be evenly distributed to the limit blocks 33 inside the multiple bottom sleeves 31, so as to share the impact force on the forging die;

[0028] When the bottom slide column 36 contacts the limit block 33, the bottom slide column 36 will squeeze the pressure elasticity detection end of the pressure sensor 34. When the pressure elasticity detection end reaches the pressure value preset by the controller, the pressure sensor 34 will then control the controller to stop the pressure drive mechanism from continuing to press down on the top die seat 2, thereby effectively avoiding damage to the forging die during the forging process.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bulk gear forging die, comprising a bottom die base (1) and a top die base (2) fixedly connected to a pressure driving mechanism, the bottom die base (1) and the top die base (2) are respectively provided with a bottom forging die (11) and a top forging die (21) at the facing ends thereof, a plurality of buffer members (3) are provided on one side of the bottom die base (1) close to the top die base (2), and the characteristics are as follows: The buffer member (3) comprises a bottom sleeve (31) arranged on the periphery of the bottom forging die (11), and a limiting portion, a spring (32) and a movable member are arranged in sequence from the bottom to the top of the bottom sleeve (31); when the top die seat (2) is moved close to the bottom die seat (1), the bottom end of the top die seat (2) can push the movable member close to the limiting block (33), and when the bottom forging die (11) and the top forging die (21) are in contact, the movable member and the limiting block (33) are in conflict with each other.

2. The bulk gear forging die according to claim 1, characterized in that: The limiting portion comprises a limiting block (33) fixedly connected to the bottom end of the inner wall of the bottom sleeve (31); the movable part comprises a top sliding column (35) inserted into the top end of the bottom sleeve (31); the bottom end of the top sliding column (35) comprises a bottom sliding column (36); and the bottom sliding column (36) is inserted into the interior of the spring (32).

3. The bulk gear forging die according to claim 2, characterized in that: The top side of the inner wall of the bottom sleeve (31) is provided with at least one side groove (30) arranged along the length direction of the bottom sleeve (31), and the side surface of the top sliding column (35) has a side sliding block (301) corresponding to the side groove (30), and one end of the side sliding block (301) is slidably connected to the side groove (30).

4. The bulk gear forging die according to claim 3, characterized in that: A top groove (10) arranged in a square shape is provided on one side of the bottom mold base (1) close to the top mold base (2), and a plurality of buffer members (3) are evenly distributed in the top groove (10).

5. The bulk gear forging die according to claim 3, characterized in that: A bottom groove (331) is provided at the top center of one of the limit blocks (33), and a pressure sensor (34) is fixedly installed in the bottom groove (331).

6. The bulk gear forging die according to claim 5, characterized in that: It also includes a controller, and the pressure sensor (34) and the pressure driving mechanism are both connected to the controller.

Images