A stamping die for iron wheel balance weight

Abstract

The utility model discloses a stamping die for an iron wheel balance weight, comprising a fixed die and a movable die, a stamping platform is arranged on the top surface of the fixed die, a stamping groove is arranged inside the stamping platform, a demoulding component is arranged inside the fixed die below the stamping groove, the demoulding component comprises a bottom cavity, a movable plate, a top plate, a through groove, a rocker plate, a front groove, a torsion spring connecting seat and a pressing plate, the bottom cavity is arranged just below the stamping groove, the movable plate is movably arranged inside the bottom cavity, and the through groove is symmetrically arranged on the top of the bottom cavity; when demoulding, it is only necessary to press down the pressing plate, and the movable plate can be lifted up by cooperating with the torsion spring connecting seat, the rocker plate and other components, and then the top plate is lifted up, and the top plate extends out of the through groove, so as to push the bottom of both sides of the accessory, so as to push the accessory out from the inside of the stamping groove, and the demoulding is easily completed without causing damage to the accessory.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a stamping mold for an iron wheel balance block. Background Art

[0002] Balance weight, also known as tire balance weight, is a weight component installed on the wheel of a vehicle. The function of the balance weight is to keep the wheel in dynamic balance under high-speed rotation. The production process of the balance weight requires a stamping die. The original part is placed inside the die and the balance weight is formed by stamping.

[0003] During the use of the stamping die, the stamping head needs to be firmly pressed into the inside of the stamping groove. After the original part is stamped, it is easy to get stuck inside the stamping groove and is not easy to demold. If it is directly pried with hand buckles or tools, it is easy to cause damage to the accessories. Therefore, it is necessary to design a new stamping die to solve this problem. Utility Model Content

[0004] The utility model aims to provide a stamping die for an iron wheel balance weight, so as to solve the problem that after the stamping die is used, the accessories thereon are difficult to demould.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping die for an iron wheel balance weight, comprising a fixed die and a movable die, a stamping table is arranged on the top surface of the fixed die, a stamping groove is arranged inside the stamping table, a demolding assembly is arranged inside the fixed die below the stamping groove, the demolding assembly comprises a bottom cavity, a movable plate, a top plate, a through groove, a rocker plate, a front groove, a torsion spring connecting seat and a pressing plate, the bottom cavity is arranged directly below the stamping groove, the movable plate is movably arranged inside the bottom cavity, the through grooves are symmetrically arranged on the top of the bottom cavity and are distributed on both sides of the stamping groove, the top plate is slidably arranged inside the through groove, and the bottom end is fixedly connected to the movable plate, the front groove is arranged on the front surface of the fixed die and communicates with the bottom cavity, the torsion spring connecting seat is fixed to the lower wall of the front groove, the pressing plate is fixedly connected to one side of the torsion spring connecting seat and extends out of the front groove, the rocker plate is fixedly connected to the other side of the torsion spring connecting seat and extends into the bottom cavity.

[0006] Preferably, the demoulding assembly further comprises a top wheel, which is symmetrically fixed on both sides of the inner end of the seesaw and is in rolling contact with the bottom surface of the movable plate.

[0007] Preferably, the demoulding assembly further comprises a rubber sheet, and the rubber sheet is fixed on the upper surface of the pressing plate.

[0008] Preferably, the demoulding assembly further comprises a fixing rod, which is fixed between the upper and lower inner walls of the bottom cavity, and there are four fixing rods, and the fixing rods are slidably connected with the movable plate.

[0009] Preferably, the demoulding assembly further comprises a spring, which is sleeved on the outer surface of the fixing rod, and whose two ends are respectively fixedly connected to the lower surface of the movable plate and the lower wall of the bottom cavity.

[0010] Preferably, a guide buffer assembly is arranged between the four corners of the fixed mold and the movable mold, and the guide buffer assembly includes a guide rod, a guide groove and a rubber pad. The guide rod is fixed on the top surface of the fixed mold and slides through the guide groove opened on the surface of the movable mold. The rubber pad is fixed on the top surface of the fixed mold and is sleeved on the outside of the guide rod.

[0011] Preferably, the guide buffer assembly further comprises an anti-slip block, and the anti-slip block is fixed on the top end of the guide rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When demolding, you only need to press down the pressing plate. Through the cooperation of the torsion spring connecting seat, the rocker plate and other components, you can lift the movable plate, and then lift the top plate. The top plate extends out of the through slot, and you can push the bottom of both sides of the accessory, thereby pushing the accessory out from the inside of the stamping slot, and easily complete the demolding without causing damage to the accessory. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 A front cross-sectional view of the interior of the demoulding component;

[0016] Figure 3 For this utility model Figure 1 a side cross-sectional view of the middle demoulding assembly;

[0017] In the figure: 100, fixed mold; 200, movable mold; 300, stamping table; 400, demoulding assembly; 401, bottom cavity; 402, movable plate; 403, top plate; 404, through groove; 405, seesaw; 406, top wheel; 407, front groove; 408, torsion spring connecting seat; 409, pressing plate; 4010, fixing rod; 4011, spring; 500, guide buffer assembly; 501, guide rod; 502, guide groove; 503, rubber pad; 504, anti-slip block; 600, stamping groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figures 1 to 3 , is an embodiment of the utility model, and this embodiment provides a technical solution: a stamping die for an iron wheel balance weight, comprising a fixed die 100 and a movable die 200, a stamping table 300 is arranged on the top surface of the fixed die 100, a stamping groove 600 is arranged inside the stamping table 300, a demoulding assembly 400 is arranged inside the fixed die 100 below the stamping groove 600, and can be used for demoulding, the demoulding assembly 400 comprises a bottom cavity 401, a movable plate 402, a top plate 403, a through groove 404, a rocker plate 405, a front groove 407, a torsion spring connecting seat 408 and a pressing plate 409, the bottom cavity 401 is arranged directly below the stamping groove 600, the movable plate 402 is movably arranged inside the bottom cavity 401, the movable plate 402 can be lifted and moved inside the bottom cavity 401, and the through groove 404 can be lifted and moved inside the bottom cavity 401. The grooves 404 are symmetrically opened at the top of the bottom cavity 401 and distributed on both sides of the stamping groove 600. The top plate 403 is slidably set inside the through groove 404, and the bottom end is fixedly connected to the movable plate 402. When the movable plate 402 rises, the top plate 403 can be pushed out, thereby pushing both sides of the accessory to complete demoulding. The front groove 407 is opened on the front surface of the fixed mold 100 and communicates with the bottom cavity 401. The torsion spring connecting seat 408 is fixed on the lower wall of the front groove 407. The pressing plate 409 is fixedly connected to one side of the torsion spring connecting seat 408 and extends out of the front groove 407. The rocker 405 is fixedly connected to the other side of the torsion spring connecting seat 408 and extends into the interior of the bottom cavity 401. The pressing plate 409 can be pressed down to drive the rocker 405 to push the movable plate 402 up, so that the movable plate 402 moves up.

[0021] In this embodiment, preferably, the demolding assembly 400 also includes a top wheel 406, which is symmetrically fixed on both sides of the inner end of the seesaw 405 and is in rolling contact with the bottom surface of the movable plate 402. When the seesaw 405 pushes the movable plate 402 upward, the top wheel 406 rolls on the bottom surface of the movable plate 402 to improve the smoothness.

[0022] In this embodiment, preferably, the demoulding assembly 400 further includes a rubber sheet, which is fixed on the upper surface of the pressing plate 409 to increase friction and prevent slipping.

[0023] In this embodiment, preferably, the demolding assembly 400 also includes a fixed rod 4010, which is fixed between the upper and lower inner walls of the bottom cavity 401, and there are four fixed rods 4010. The fixed rods 4010 are slidably connected to the movable plate 402, so that the movable plate 402 can be stably raised and lowered.

[0024] In this embodiment, preferably, the demolding assembly 400 also includes a spring 4011, which is sleeved on the outer surface of the fixed rod 4010 to prevent the spring 4011 from bending. The two ends of the spring 4011 are respectively fixedly connected to the lower surface of the movable plate 402 and the lower wall of the bottom cavity 401. When the movable plate 402 moves upward, the spring 4011 is stretched for subsequent resetting of the movable plate 402.

[0025] In this embodiment, preferably, a guide buffer assembly 500 is provided between the four corners of the fixed mold 100 and the movable mold 200 to play a guiding and buffering role. The guide buffer assembly 500 includes a guide rod 501, a guide groove 502 and a rubber pad 503. The guide rod 501 is fixed on the top surface of the fixed mold 100 and slides through the guide groove 502 opened on the surface of the movable mold 200, so that the movable mold 200 can be stably lifted and lowered. The rubber pad 503 is sleeved on the outside of the guide rod 501. When the movable mold 200 moves downward, it can contact the rubber pad 503 to play a buffering and protective role.

[0026] In this embodiment, preferably, the guide buffer assembly 500 further includes an anti-slip block 504, and the anti-slip block 504 is fixed to the top end of the guide rod 501 to prevent slipping.

[0027] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamping die for an iron wheel balance weight, comprising a fixed die (100) and a movable die (200), characterized in that: A punching platform (300) is arranged on the top surface of the fixed mold (100), a punching groove (600) is arranged inside the punching platform (300), a demoulding assembly (400) is arranged inside the fixed mold (100) below the punching groove (600), and the demoulding assembly (400) comprises a bottom cavity (401), a movable plate (402), a top plate (403), a through groove (404), a rocker plate (405), a front groove (407), a torsion spring connecting seat (408) and a pressing plate (409), the bottom cavity (401) is arranged directly below the punching groove (600), the movable plate (402) is movably arranged inside the bottom cavity (401), and the The through grooves (404) are symmetrically opened at the top of the bottom cavity (401) and distributed on both sides of the stamping groove (600); the top plate (403) is slidably arranged inside the through groove (404) and the bottom end is fixedly connected to the movable plate (402); the front groove (407) is opened on the front surface of the fixed mold (100) and communicates with the bottom cavity (401); the torsion spring connecting seat (408) is fixed on the lower wall of the front groove (407); the pressing plate (409) is fixedly connected to one side of the torsion spring connecting seat (408) and extends out of the front groove (407); the rocker plate (405) is fixedly connected to the other side of the torsion spring connecting seat (408) and extends into the bottom cavity (401).

2. The iron wheel balance weight stamping die according to claim 1, characterized in that: The demoulding assembly (400) further comprises a top wheel (406), which is symmetrically fixed on both sides of the inner end of the seesaw (405) and is in rolling contact with the bottom surface of the movable plate (402).

3. The iron wheel balance weight stamping die according to claim 1, characterized in that: The demoulding assembly (400) further comprises a rubber sheet, wherein the rubber sheet is fixed on the upper surface of the pressing plate (409).

4. The iron wheel balance weight stamping die according to claim 1, characterized in that: The demoulding assembly (400) further comprises a fixing rod (4010), which is fixed between the upper and lower inner walls of the bottom cavity (401), and there are four fixing rods (4010). The fixing rods (4010) are slidably connected to the movable plate (402).

5. The iron wheel balance weight stamping die according to claim 4, characterized in that: The demoulding assembly (400) further comprises a spring (4011), which is sleeved on the outer surface of the fixing rod (4010), and whose two ends are respectively fixedly connected to the lower surface of the movable plate (402) and the lower wall of the bottom cavity (401).

6. The iron wheel balance weight stamping die according to claim 1, characterized in that: A guide buffer assembly (500) is arranged between the four corners of the fixed mold (100) and the movable mold (200), and the guide buffer assembly (500) comprises a guide rod (501), a guide groove (502) and a rubber pad (503). The guide rod (501) is fixed on the top surface of the fixed mold (100) and slides through the guide groove (502) provided on the surface of the movable mold (200). The rubber pad (503) is fixed on the top surface of the fixed mold (100) and is sleeved on the outer side of the guide rod (501).

7. The iron wheel balance weight stamping die according to claim 6, characterized in that: The guide buffer assembly (500) further comprises an anti-slip block (504), wherein the anti-slip block (504) is fixed on the top end of the guide rod (501).

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