General punching bending die
By designing a conventional punching and bending die and using components such as hydraulic cylinders and return springs, the problem of material removal in traditional dies has been solved, improving bending efficiency and accuracy, and ensuring the uniformity and stability of the pressing lines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional bending dies lack an ejection structure, making it difficult to remove the material during the bending process and affecting bending efficiency.
A conventional punching and bending die was designed, comprising a base, a lower die, an upper die, a punching mechanism, and an ejection mechanism. Utilizing components such as hydraulic cylinders and return springs, the die achieves material ejection and force buffering, thus preventing material damage.
It improves the efficiency and precision of the material bending process, avoids wrinkling on the material surface and mold misalignment, and ensures the uniformity and stability of the pressing lines.
Smart Images
Figure CN224010900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bending die, specifically relates to general punching bending die. BACKGROUND
[0002] The bending procedure is one of the higher technical content trades in sheet metal processing, is numerical control equipment processing although, still is more dependent on the technical level of worker, but the technical worker talent is short in recent years already normality, personnel loss has great influence on bending capacity, in order to alleviate bending capacity pressure, developed integrated general punching bending composite die.
[0003] The traditional bending die lacks a push-out structure. In the process of bending the material, the copper bar is positioned on the surface of the bending die, which is inconvenient for the user to take out and can easily reduce the material bending efficiency. SUMMARY
[0004] The utility model discloses a general punching bending die to solve the above-mentioned defects caused in the prior art.
[0005] The general punching bending die comprises a base, a lower die and an upper die, the upper side of the base is provided with the lower die, the upper side of the lower die is provided with a stamping mechanism, the stamping mechanism is extruded by the lower die and the upper die, and then the bending and shaping treatment of the metal material is completed, the lower side of the lower die is provided with an ejection mechanism, the ejection mechanism ejects the stamping and bending material on the surface of the lower die, buffers the force generated by the stamping of the lower die and the upper die, and avoids damage and deformation of the material due to excessive pressure.
[0006] Preferably, the stamping mechanism comprises a lower die, an upper die, an upper die seat, a hydraulic oil cylinder, a butt joint groove and a guide through hole, the upper side of the lower die is provided with the upper die, the upper side of the upper die is provided with the upper die seat, the upper side of the upper die seat is connected with the output end of the hydraulic oil cylinder, the outer side of the lower die is provided with the butt joint groove in a rectangular distribution, and the two sides of the lower die and the upper die are both provided with the guide through hole.
[0007] Preferably, the upper die is connected with the output end of the hydraulic oil cylinder through the upper die seat arranged at the bottom end.
[0008] Preferably, the ejection mechanism comprises a buffer groove, a return spring, a buffer spring, a material ejection through hole, a jacking rod and an electric cylinder, the buffer grooves are arranged at the bottom end of the lower die at equal intervals, the bottom end of the lower die is symmetrically provided with the material ejection through hole, the inside of the material ejection through hole is provided with the return spring, the inner end of the return spring is provided with the jacking rod, the bottom end of the jacking rod is connected with the output end of the electric cylinder, the inside of the buffer groove is provided with the buffer spring, and the bottom end of the return spring is connected with the top end of the connecting base.
[0009] Preferably, the base is connected with the bottom end of the top rod through the internally arranged electric cylinder.
[0010] Preferably, the lower mold is connected with the top end of the reset spring through the symmetrically arranged buffer groove at the bottom end.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] 1、in the use process, first through the symmetrically arranged reset spring to the contact of the lower mold and the upper mold produces the pressure buffer, avoids to make the product in the whole bending process pressure line more average, the resilience is more uniform, the pressure cut is stable, improved the average degree and the precision of the pressure line, avoids the phenomenon that the bending edge surface is wrinkled, and through the guide through hole to the displacement direction of the upper mold and the lower mold is oriented, avoids the upper mold and the lower mold to lift the bending process and occurs the deviation situation.
[0013] 2、in the use process, through the symmetrically arranged top rod and positions the material after bending, simultaneously utilizes the reset spring to push the top rod to the bottom end direction, according to the thickness of the material, the number and height of the ascending of multiple top rods are adjusted, satisfy the efficiency of the plate piece after bending separation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the whole front view structure schematic diagram of the utility model.
[0015] Fig. 2 It is the three-dimensional structure schematic diagram of the lower mold and the upper mold in the utility model.
[0016] Fig. 3 It is the lower mold bottom view structure schematic diagram in the utility model.
[0017] Fig. 4 It is the base cross-sectional structure schematic diagram in the utility model.
[0018] Among them:
[0019] 1, base;2, lower mold;3, upper mold;4, upper mold base;5, hydraulic oil cylinder;6, stamping mechanism;7, butt joint groove;8, guide through hole;9, ejection mechanism;10, buffer groove;11, reset spring;12, buffer spring;13, top material through hole;14, top rod;15, electric cylinder. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] For example, Figs. 1 to 4As shown, the punch bending die includes a base 1, a lower die 2 and an upper die 3, the lower die 2 is arranged above the base 1, a punch mechanism 6 is arranged above the lower die 2, the punch mechanism 6 is extruded by the lower die 2 and the upper die 3, and then the bending shaping treatment of the metal material is completed, the ejection mechanism 9 is arranged below the lower die 2, the ejection mechanism 9 ejects the punch bending material on the surface of the lower die 2, buffers the force generated by the punch of the lower die 2 and the upper die 3, and avoids damage and deformation of the material due to excessive pressure.
[0022] In the embodiment, the punch mechanism 6 includes a lower die 2, an upper die 3, an upper die seat 4, a hydraulic oil cylinder 5, a butt joint groove 7, and a guide through hole 8, the upper die 3 is arranged above the lower die 2, the upper die seat 4 is arranged above the upper die 3, the hydraulic oil cylinder 5 is connected to the upper die seat 4, the butt joint groove 7 is arranged outside the lower die 2 in a rectangular shape, and the guide through hole 8 is arranged on both sides of the lower die 2 and the upper die 3, the upper die seat 4 is driven to displace by the hydraulic oil cylinder 5, and the lower die 2 and the upper die 3 are vertically extruded and bent.
[0023] In the embodiment, the upper die 3 is connected to the output end of the hydraulic oil cylinder 5 through the upper die seat 4 arranged at the bottom end, and the upper die seat 4 is driven to displace by the hydraulic oil cylinder 5, so as to control the punch range.
[0024] In the embodiment, the ejection mechanism 9 includes a buffer groove 10, a return spring 11, a buffer spring 12, a material ejection through hole 13, a ejector rod 14 and an electric cylinder 15, the buffer grooves 10 are arranged at the bottom end of the lower die 2 at equal intervals, the material ejection through holes 13 are symmetrically arranged at the bottom end of the lower die 2, the return spring 11 is arranged in the material ejection through hole 13, the ejector rod 14 is arranged at the inner end of the return spring 11, the output end of the electric cylinder 15 is connected to the bottom end of the ejector rod 14, the buffer spring 12 is arranged in the buffer groove 10, and the bottom end of the return spring 11 is connected to the top end of the connecting base 1.
[0025] In the embodiment, the base 1 is connected to the bottom end of the ejector rod 14 through the electric cylinder 15 arranged inside, and the ejector rod 14 is driven to rise by the electric cylinder 15, so as to control the separation height.
[0026] In the embodiment, the lower die 2 is connected to the top end of the return spring 11 through the buffer groove 10 symmetrically arranged at the bottom end, and the return spring 11 is positioned by the buffer groove 10, so as to avoid pushing the upper plate of the lower die 2.
[0027] The punch bending die has the following working contents in actual application.
[0028] Step 1: in the use process, first, the bottom end of the upper die holder 4 is connected with the upper die 3, the output end of the hydraulic oil cylinder 5 is connected with the top end of the upper die holder 4 by using the hydraulic oil cylinder 5, the hydraulic oil cylinder 5 is connected with the upper die holder 4 by using the bolt, then according to the area of the plate, the length and the number of the ejector pin 14 arranged at the bottom end of the lower die 2 are controlled, at the same time, the reset spring 11 is installed outside the ejector pin 14, and the diameter of the bottom end of the ejector pin 14 is greater than the diameter of the reset spring 11, so as to facilitate the reset spring 11 to push;
[0029] Step 2: then the plate is directly placed outside the lower die 2, the lower die 2 is connected with the top end of the reset spring 11 through the buffer groove 10 equally spaced at the bottom end, and the bottom end of the reset spring 11 is connected with the top end of the base 1, the bottom end of the lower die 2 is elastically supported by the reset spring 11, then the hydraulic oil cylinder 5 is opened, and the upper die holder 4 is driven to move downward by the hydraulic oil cylinder 5;
[0030] Step 3: the outer side of the plate is bent by using the lower die 2 and the upper die 3, at the same time, the protruding part arranged at the bottom end of the upper die holder 4 is aligned with the butt joint groove 7 opened outside the lower die 2, when the upper die 3 arranged at the bottom end of the upper die holder 4 contacts the plate, the protruding part arranged at the bottom end of the upper die holder 4 is integrated with the butt joint groove 7 opened outside the lower die 2, and the guide rod is arranged by using the guide through hole 8 to guide the upper die 3;
[0031] Step 4: when the bending of the plate is completed, the upper die holder 4 and the upper die 3 are vertically moved upward by the hydraulic oil cylinder 5, so that the upper die 3 is separated from the plate, then the electric cylinder 15 arranged inside the base 1 is opened, the ejector pin 14 is driven to vertically move upward by the electric cylinder 15, the plate is vertically ejected by the ejector pin 14 guided inside the material ejection hole 13, at the same time, the outer side of the ejector pin 14 is buffered by the reset spring 11, when the ejector pin 14 is driven to move downward by the electric cylinder 15, the ejector pin 14 is pushed downward by the reset spring 11.
[0032] Therefore, the above disclosed embodiments are only examples and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.
Claims
1. A standard punching and bending die, characterized in that: The device includes a base (1), a lower mold (2), and an upper mold (3). The lower mold (2) is located directly above the base (1), and a stamping mechanism (6) is located directly above the lower mold (2). The stamping mechanism (6) performs extrusion processing through the lower mold (2) and the upper mold (3) to complete the bending and shaping of the metal material. An ejection mechanism (9) is located below the lower mold (2). The ejection mechanism (9) ejects the stamped and bent material from the surface of the lower mold (2) and buffers the force generated by the stamping of the lower mold (2) and the upper mold (3) to prevent the material from being damaged or deformed due to excessive pressure.
2. The ordinary punching and bending die according to claim 1, characterized in that: The stamping mechanism (6) includes a lower die (2), an upper die (3), an upper die base (4), a hydraulic cylinder (5), a docking groove (7), and a guide through hole (8). The upper die (3) is located directly above the lower die (2), and the upper die base (4) is located directly above the upper die (3). The hydraulic cylinder (5) is connected above the upper die base (4). The docking groove (7) is rectangularly distributed on the outer side of the lower die (2). Guide through holes (8) are provided on both sides of the lower die (2) and the upper die (3).
3. The ordinary punching and bending die according to claim 2, characterized in that: The upper mold (3) is connected to the output end of the hydraulic cylinder (5) through the upper mold base (4) set at the bottom.
4. The ordinary punching and bending die according to claim 1, characterized in that: The ejection mechanism (9) includes a buffer groove (10), a return spring (11), a buffer spring (12), an ejection through hole (13), an ejector rod (14), and an electric cylinder (15). The buffer grooves (10) are evenly spaced at the bottom of the lower mold (2). The bottom of the lower mold (2) is symmetrically provided with ejection through holes (13). The ejection through hole (13) is provided with a return spring (11) inside. The inner end of the return spring (11) is provided with an ejector rod (14). The bottom end of the ejector rod (14) is connected to the output end of the electric cylinder (15). The buffer groove (10) is provided with a buffer spring (12). The bottom end of the return spring (11) is connected to the top end of the connecting base (1).
5. The ordinary punching and bending die according to claim 4, characterized in that: The base (1) is connected to the bottom end of the push rod (14) via an internally installed electric cylinder (15).
6. The ordinary punching and bending die according to claim 4, characterized in that: The lower mold (2) is connected to the top of the return spring (11) through a buffer groove (10) symmetrically opened at the bottom.