Protective device for stamping die
By designing protective devices such as support plates, buffer pads, and elastic buffer mechanisms on the stamping die, the problem of die deformation and damage due to impact force is solved, achieving effective protection and extended service life of the die.
Patent Information
- Application Number
- CN202520072200.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing automotive stamping dies lack shock absorption and protection devices during use, making them prone to deformation and damage due to impact forces, thus shortening their service life.
A protective device comprising a support plate, a buffer pad, and an elastic buffer mechanism is designed to protect the top edge of the stamping die and prevent damage caused by rigid contact.
It effectively extends the service life of stamping dies, and prevents damage to the top edge of the die through the combined buffering effect of the elastic buffer mechanism and the buffer pad.
Smart Images

Figure CN223718186U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to punch die technical field especially relates to a protection device for punch die. BACKGROUND
[0002] Punching is to separate or plastically deform the material by using the die installed on the press to apply pressure at room temperature, so as to obtain the required parts. The existing automobile punch die does not have a shock absorbing protection device during use, so that the punch die is easily deformed and damaged by a large impact force during use, greatly shortening the service life of the punch die. SUMMARY
[0003] Therefore, the utility model discloses a protection device for punch die which can prolong the service life of the punch die.
[0004] To achieve the above-mentioned purpose, the utility model provides a protection device for punch die, which comprises:
[0005] a support plate;
[0006] a buffer pad arranged on one side of the support plate, the number of the buffer pad being at least two, and the at least two buffer pads being stacked;
[0007] an elastic buffer mechanism arranged on the outer periphery of the support plate, the axis of the elastic buffer mechanism being perpendicular to the support plate;
[0008] the side of the support plate away from the buffer pad is arranged on the top of the punch die.
[0009] Optionally, the buffer pad is adhesively or welded fixed to the support plate, and the adjacent two buffer pads are adhesively fixed.
[0010] Optionally, the buffer pad is a foam pad, a silica gel pad, a rubber pad or an air pad.
[0011] Optionally, the materials of the adjacent two buffer pads are different.
[0012] Optionally, the elastic buffer mechanism comprises a telescopic rod, a buffer spring and a buffer tube, the buffer tube is arranged on the support plate, the telescopic rod is partially sleeved on the buffer tube, the buffer spring is arranged in the buffer tube, one end of the buffer spring abuts against the telescopic rod, and the other end of the buffer spring abuts against the inner bottom wall of the buffer tube.
[0013] Optionally, the elastic buffer mechanism further comprises a buffer sleeve, the buffer sleeve is sleeved on the end of the telescopic rod which is not sleeved on the buffer tube.
[0014] Optionally, the number of the elastic buffering mechanisms is multiple, and the multiple elastic buffering mechanisms are arranged at intervals on the outer periphery of the supporting plate.
[0015] Optionally, the stamping die protection device further comprises a fixing member, the fixing member is connected with the side wall of the supporting plate, and the elastic buffering mechanism is arranged on the fixing member.
[0016] Optionally, a clamping groove is formed on the side of the supporting plate away from the buffer pad, and the shape and size of the clamping groove are matched with the shape and size of the top of the stamping die.
[0017] Optionally, the stamping die protection device further comprises an adhesive member, the adhesive member is arranged on the side of the supporting plate away from the buffer pad, and the adhesive member is used for bonding the supporting plate to the top of the stamping die.
[0018] The stamping die protection device has the following advantages: when stamping work is needed, the supporting plate of the stamping die protection device is arranged on the top of the stamping die, then the elastic buffering mechanism of the protection device is extruded by the stamping device, the elastic buffering mechanism is elastically contracted after being extruded, and the elastic buffering mechanism and the at least two buffer pads play the buffering role. Therefore, the top edge of the stamping die can be effectively protected by the elastic buffering mechanism and the buffer pad, the rigid contact between the stamping device and the top edge of the stamping die is prevented, the damage to the top edge of the stamping die is prevented, the stamping die is effectively protected without affecting the normal use of the stamping die, and the service life of the stamping die is increased. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.
[0020] Figure 1 It is an embodiment of the structure of the stamping die protection device;
[0021] Figure 2 It is another angle of the structure of the stamping die protection device;
[0022] Figure 3 It is an embodiment of the structure of the elastic buffering mechanism;
[0023] Figure 4 It is an embodiment of the structure of the elastic buffering mechanism;
[0024] Wherein, 100, the branch plate; 110, the clamping groove; 200, the buffer pad; 300, the elastic buffer mechanism; 310, the telescopic rod; 320, the buffer spring; 330, the buffer tube; 340, the buffer sleeve; 400, the fixed part.
[0025] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly. In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three schemes, taking A and / or B as an example, including A technical solution, B technical solution, and A and B simultaneously meet the technical solution. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0028] As Figure 1 and Figure 2 shown, a kind of stamping die protector includes branch plate 100, buffer pad 200 and elastic buffer mechanism 300, buffer pad 200 is set to one side of branch plate 100, the number of buffer pad 200 is at least two, at least two buffer pad 200 is stacked, elastic buffer mechanism 300 is set to the outer periphery of branch plate 100, the axis of elastic buffer mechanism 300 is perpendicular to branch plate 100, the side of branch plate 100 away from buffer pad 200 is used to be set to the top of stamping die.
[0029] When stamping work is needed, the stamping die is provided with the support plate 100 of the protection device on the top of the stamping die, and then the elastic buffer mechanism 300 of the protection device is extruded by the stamping device. After the elastic buffer mechanism 300 is extruded, it is elastically contracted to play a role of elastic buffer, and at least two buffer pads 200 also play a role of buffer. Therefore, the top edge of the stamping die can be effectively protected by the elastic buffer mechanism 300 and the buffer pad 200, which prevents the rigid contact between the stamping device and the top edge of the stamping die from causing damage to the top edge of the stamping die, thereby effectively protecting the stamping die without affecting the normal use of the stamping die, and increasing the service life of the stamping die.
[0030] In the embodiment, the buffer pad 200 is adhesively or welded fixed to the support plate 100, and two adjacent buffer pads 200 are adhesively fixed. It can be understood that in other embodiments, the buffer pad 200 can be fixed to the support plate 100 by other fixing modes.
[0031] Specifically, the buffer pad 200 is a foam pad, a silica gel pad, a rubber pad or an air pad, which plays a good buffering effect.
[0032] In the embodiment, the materials of two adjacent buffer pads 200 are different. For example, two buffer pads 200 are included, one buffer pad 200 is a silica gel pad, and the other buffer pad 200 is an air pad. It can be understood that other combinations can also be used, and in other embodiments, the materials of two adjacent buffer pads 200 are the same. In another embodiment, the number of buffer pads 200 can also be three or more.
[0033] Reference Figure 1 , Figure 3 and Figure 4 , the elastic buffer mechanism 300 includes a telescopic rod 310, a buffer spring 320 and a buffer tube 330. The buffer tube 330 is arranged on the support plate 100, the telescopic rod 310 is partially sleeved on the buffer tube 330, the buffer spring 320 is arranged in the buffer tube 330, one end of the buffer spring 320 abuts against the telescopic rod 310, and the other end of the buffer spring 320 abuts against the inner bottom wall of the buffer tube 330. Specifically, when the stamping device extrudes the protection device, the buffer spring 320 is elastically compressed to play a role of elastic buffer.
[0034] Reference Figure 1 and Figure 3 , the elastic buffer mechanism 300 further includes a buffer sleeve 340, which is sleeved on one end of the telescopic rod 310 which is not sleeved on the buffer tube 330. Specifically, the buffer sleeve 340 further plays a role of buffer, further prevents the rigid contact between the stamping device and the top edge of the stamping die from causing damage to the top edge of the stamping die, and further increases the service life of the stamping die.
[0035] ReferenceFigure 1 The number of the elastic buffering mechanisms 300 is multiple, and the multiple elastic buffering mechanisms 300 are arranged at the outer periphery of the supporting plate 100. In the embodiment, the number of the elastic buffering mechanisms 300 is four, and the four elastic buffering mechanisms 300 are arranged at the four corners of the supporting plate 100. In another embodiment, the number of the elastic buffering mechanisms 300 is eight, and the eight elastic buffering mechanisms 300 are arranged at the four corners and the middle of the four edges of the supporting plate 100. In this way, the four or eight elastic buffering mechanisms 300 are uniformly stressed, and can better play the buffering role.
[0036] With reference to Figure 1 The protection device for the stamping die further comprises a fixing piece 400, the fixing piece 400 is connected with the side wall of the supporting plate 100, and the elastic buffering mechanism 300 is arranged on the fixing piece 400. Specifically, the fixing piece 400 is a fixing block, and the number of the fixing piece 400 is the same as and one-to-one corresponds to the number of the elastic buffering mechanism 300.
[0037] With reference to Figure 2 The side of the supporting plate 100, which is away from the buffering pad 200, is provided with a clamping groove 110, and the shape and size of the clamping groove 110 are matched with the shape and size of the top of the stamping die.
[0038] Specifically, the protection device for the stamping die further comprises an adhesive piece, the adhesive piece is arranged on the side of the supporting plate 100, which is away from the buffering pad 200, and the adhesive piece is used for bonding the supporting plate 100 to the top of the stamping die, that is, bonding the protection device for the stamping die to the top of the stamping die.
[0039] Further, the adhesive piece can be an adhesive, a sticky adhesive or the like, and can reliably bond the supporting plate 100 to the top of the stamping die.
[0040] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent device transformation or direct / indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.
Claims
1. A protection device for a press die, characterized by comprising: Include: Support plate; Buffer pad, provided on one side of the support plate, the number of at least two, at least two buffer pad stacked; Elastic buffer mechanism, provided on the outer periphery of the support plate, the axis of the elastic buffer mechanism perpendicular to the support plate; The side of the support plate away from the buffer pad is used to be provided on the top of the stamping die.
2. The punching die guard according to claim 1, wherein The buffer pad is bonded or welded to the support plate, and the adjacent two buffer pads are bonded.
3. The punching die guard according to claim 1, wherein The buffer pad is a foam pad, a silica gel pad, a rubber pad or an air pad.
4. The punching die guard according to claim 1, wherein The material of the adjacent two buffer pads is different.
5. The punching die guard according to claim 1, wherein The elastic buffer mechanism includes a telescopic rod, a buffer spring and a buffer tube, the buffer tube is provided on the support plate, the telescopic rod is partially sleeved on the buffer tube, the buffer spring is provided in the buffer tube, and one end of the buffer spring abuts against the telescopic rod, and the other end of the buffer spring abuts against the inner bottom wall of the buffer tube.
6. The punching die guard according to claim 5, wherein The elastic buffer mechanism further includes a buffer sleeve, which is sleeved on the end of the telescopic rod which is not sleeved on the buffer tube.
7. The punching die guard according to claim 6, wherein The number of the elastic buffer mechanism is multiple, and the multiple elastic buffer mechanisms are arranged at intervals on the outer periphery of the support plate.
8. The punching die guard according to claim 1, wherein The stamping die protection device further includes a fixing piece, the fixing piece is connected with the side wall of the support plate, and the elastic buffer mechanism is arranged on the fixing piece.
9. The punching die guard according to Claim 1, wherein The side of the support plate away from the buffer pad is provided with a clamping groove, the shape and size of the clamping groove are matched with the shape and size of the top of the stamping die.
10. The punching die guard according to Claim 1, wherein The stamping die protection device further includes a bonding piece, which is arranged on the side of the support plate away from the buffer pad, and the bonding piece is used to bond the support plate to the top of the stamping die.