Spring piece stamping die with demolding structure

Abstract

The utility model discloses a leaf spring stamping die with a demoulding structure, which comprises an upper die and a lower die, the lower die is internally provided with an ejection mechanism, the ejection mechanism comprises an ejection rod, and the ejection rod is connected with an inner cavity of an ejection groove in a sliding and penetrating manner; the synchronous plate is located in the through groove, and the synchronous plate is fixedly connected to the bottom ends of the multiple ejector rods; the multiple first compression springs are arranged outside the multiple ejector rods in a sleeving mode correspondingly; and the lifting assembly is located in the through groove. By means of the arrangement mode that the ejector rods, the synchronous plate, the first compression spring and the lifting assembly are matched, when the upper die is far away from the lower die, the synchronous plate can drive the ejector rods to move in the vertical direction through the lifting assembly, so that finished products in a punching groove are jacked up, the discharging efficiency of workers is improved, and the labor intensity of the workers is lowered. And manpower and material resources do not need to be consumed too much, and production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to spring sheet processing, in particular to a spring sheet stamping die with a demoulding structure. Background Art

[0002] There are many types of spring sheets, and the structures are different according to the products to be installed. Spring sheets are made of metal sheets to make them meet certain elasticity requirements. Metal sheets need to be stamped to obtain spring sheets.

[0003] Spring sheets are generally made by stamping through a mold during processing. Since the molding cavity of the spring sheet mold is generally inside the mold, the product will be formed inside the mold during stamping and fit tightly inside the molding cavity, which makes it inconvenient for workers to unload the formed spring sheets, thereby reducing the work efficiency of workers in unloading products, which is relatively inconvenient. Utility Model Content

[0004] The utility model aims to provide a spring sheet stamping die with a demoulding structure to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a spring sheet stamping die with a demoulding structure, comprising an upper die and a lower die, wherein a stamping groove is provided at the top of the lower die;

[0006] The lower mold is provided with an ejection mechanism inside, and the ejection mechanism comprises:

[0007] An ejector rod, wherein a plurality of ejector grooves are provided at the bottom end of the inner wall of the stamping groove, and the ejector rod is slidably interlaced with the inner cavity of the ejector groove;

[0008] A synchronous plate, wherein a through slot is provided in the middle of the lower mold, the synchronous plate is located inside the through slot, and the synchronous plate is fixedly connected to the bottom ends of the plurality of ejector rods;

[0009] A first compression spring, wherein a plurality of the first compression springs are respectively sleeved on the outside of a plurality of ejection rods;

[0010] A lifting component is located inside the through slot.

[0011] Preferably, one end of each of the first compression springs is fixedly connected to the top end of the inner wall of the through slot, and the other end of each of the first compression springs is fixedly connected to the synchronization plate.

[0012] Preferably, the lifting assembly comprises:

[0013] A connecting block, a plurality of connecting blocks are fixedly connected to the bottom end of the synchronization plate at equal intervals;

[0014] Extrusion blocks, wherein a plurality of the extrusion blocks are arranged at the bottom of the through slot, and a slope is provided on a side of the plurality of connection blocks opposite to the plurality of extrusion blocks;

[0015] Slide blocks, wherein the plurality of slide blocks are respectively fixedly connected to the plurality of extrusion blocks, the bottom end of the inner wall of the through groove is provided with a plurality of slide grooves, the slide blocks are slidably interlaced with the inner cavity of the slide grooves, and the cross-sections of the slide blocks and the slide grooves are both T-shaped;

[0016] a second compression spring, the second compression spring being located inside the slide slot;

[0017] Connecting ropes, one end of each of the connecting ropes is fixedly connected to each of the extrusion blocks, and the other end of each of the connecting ropes is connected to the upper mold.

[0018] Preferably, one end of the second compression spring is fixedly connected to the slider, and the other end of the second compression spring is fixedly connected to the inner wall of the slide groove.

[0019] Preferably, one end of the connecting rope is fixedly connected to a draw hook, and both sides of the upper mold are fixedly connected to draw rings, and the draw hook and the draw ring cooperate with each other.

[0020] Preferably, a plurality of guide wheels are fixedly mounted on both sides of the lower mold, and the plurality of connecting ropes cooperate with the plurality of guide wheels respectively.

[0021] Preferably, a baffle is fixedly mounted on the outer wall of the lower mold by bolts to cover the through groove.

[0022] Technical effects and advantages of the utility model:

[0023] The utility model utilizes the arrangement mode that the ejector rod, the synchronous plate, the first compression spring and the lifting assembly cooperate with each other. When the upper mold moves away from the lower mold, the connecting rope in the lifting assembly can be used to pull the extrusion block, so that the extrusion block squeezes the connecting block with the inclined surface, so that the synchronous plate drives multiple ejector rods to move in the vertical direction, so as to lift up the finished product inside the stamping groove, thereby improving the material feeding efficiency of the staff, without consuming more manpower and material resources, reducing the production cost, and having the effect of delayed ejection, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0025] Figure 2 It is a schematic diagram of the overall front internal structure of the utility model.

[0026] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0027] In the figure: 1. upper mold; 2. lower mold; 3. ejector mechanism; 31. ejector rod; 32. synchronous plate; 33. first compression spring; 34. lifting assembly; 341. connecting block; 342. extrusion block; 343. slider; 344. second compression spring; 345. connecting rope; 4. draw hook; 5. pull ring; 6. guide wheel; 7. baffle. DETAILED DESCRIPTION

[0028] 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.

[0029] The utility model provides Figure 1-3 A spring sheet stamping die with a demoulding structure shown in the figure comprises an upper die 1 and a lower die 2. A stamping groove is provided at the top of the lower die 2. A metal sheet can be placed inside the stamping groove. The finished spring sheet can be obtained by stamping the upper die 1. An accurately guided guide sleeve and a guide rod are provided between the upper die 1 and the lower die 2. When the upper die 1 is vertically stamped, the metal sheet can be accurately inserted into the stamping groove of the lower die 2, thereby stamping the metal sheet.

[0030] Furthermore, an ejection mechanism 3 is provided inside the lower mold 2, and the ejection mechanism 3 includes: an ejection rod 31, a synchronous plate 32, a first compression spring 33 and a lifting assembly 34. A plurality of ejection grooves are provided at the bottom end of the inner wall of the stamping groove, and the ejection rod 31 is slidably connected with the inner cavity of the ejection groove, and the ejection rod 31 is received inside the ejection groove, so as not to affect the stamping effect; a through groove is provided in the middle part of the lower mold 2, and the synchronous plate 32 is located inside the through groove, and the synchronous plate 32 is fixedly connected to the bottom ends of the plurality of ejection rods 31, and the plurality of ejection rods 31 can be driven to move at the same time by the synchronous plate 32, so that the spring sheet can be moved at multiple points simultaneously The plurality of first compression springs 33 are respectively sleeved on the outside of the plurality of ejection rods 31, one end of the plurality of first compression springs 33 is fixedly connected to the top of the inner wall of the through groove, and the other end of the plurality of first compression springs 33 is fixedly connected to the synchronous plate 32. The first compression springs 33 are always in a compressed state, and can provide a downward stabilizing force to the plurality of ejection rods 31 through the synchronous plate 32, so that the ejection rods 31 can be used in a state of being accommodated inside the ejection groove without the influence of external force; the lifting assembly 34 is located inside the through groove, and is used to drive the synchronous plate 32 to move in the vertical direction.

[0031] The lifting assembly 34 comprises: a connecting block 341, an extrusion block 342, a slider 343, a second compression spring 344 and a connecting rope 345. The plurality of connecting blocks 341 are equidistantly fixedly connected to the bottom end of the synchronous plate 32; the plurality of extrusion blocks 342 are arranged at the bottom of the through slot, and the plurality of connecting blocks 341 are provided with inclined surfaces on the side opposite to the plurality of extrusion blocks 342. The connecting block 341 is squeezed by the extrusion block 342, so that the connecting block 341 can be forced to rise along the inclined surface; the plurality of sliders 343 are respectively fixedly connected to the plurality of extrusion blocks 342, and the bottom end of the inner wall of the through slot is provided with a plurality of slide grooves, and the slider 343 is slidably and interlacedly connected with the inner cavity of the slide groove, and the cross-section of the slider 343 and the slide groove are both T-shaped; the second compression spring 344 is located inside the slide groove, one end of the second compression spring 344 is fixedly connected to the slider 343, and the other end of the second compression spring 344 is fixedly connected to the inner wall of the slide groove. The compression spring 344 is always in a compressed state, so that it can provide an elastic force to the extrusion block 342 through the slider 343, so that the extrusion block 342 can be away from the connecting block 341 when there is no external force, and no force is applied to the connecting block 341; one end of the multiple connecting ropes 345 are respectively fixedly connected to the multiple extrusion blocks 342, and the other ends of the multiple connecting ropes 345 are connected to the upper mold 1, one end of the connecting rope 345 is fixedly connected with a draw hook 4, and both sides of the upper mold 1 are fixedly connected with a draw ring 5. The draw hook 4 and the draw ring 5 cooperate with each other and can be connected with the draw hook 4 and the draw ring 5. After the upper mold 1 completes stamping, the extrusion block 342 can be pulled by the connecting rope 345, so that the extrusion block 342 squeezes the connecting block 341 with an inclined surface, so that the synchronous plate 32 drives the multiple ejector rods 31 to move in the vertical direction, thereby lifting the finished product inside the stamping groove.

[0032] Furthermore, multiple guide wheels 6 are fixedly installed on both sides of the lower mold 2, and multiple connecting ropes 345 cooperate with the multiple guide wheels 6 respectively. The setting of the guide wheels 6 changes the movement direction of the connecting rope 345 and reduces the friction of the lower mold 2, thereby extending the service life of the connecting rope 345. At the same time, it can limit the connecting rope 345, thereby preventing the connecting rope 345 from detaching from the guide wheels 6 when the connecting rope 345 is in a relaxed state.

[0033] Furthermore, a baffle 7 is fixedly installed on the outer wall of the lower mold 2 by bolts to cover the through groove. By opening the baffle 7, the internal parts can be maintained and replaced at any time.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spring sheet stamping die with a demoulding structure, comprising: An upper mold (1) and a lower mold (2), wherein a stamping groove is provided at the top of the lower mold (2); The feature is that an ejection mechanism (3) is provided inside the lower mold (2), and the ejection mechanism (3) comprises: An ejector rod (31), wherein a plurality of ejector grooves are formed at the bottom end of the inner wall of the punching groove, and the ejector rod (31) is slidably interlaced with the inner cavity of the ejector groove; A synchronous plate (32), wherein a through groove is formed in the middle of the lower mold (2), the synchronous plate (32) is located inside the through groove, and the synchronous plate (32) is fixedly connected to the bottom ends of the plurality of ejector rods (31); A first compression spring (33), wherein a plurality of the first compression springs (33) are respectively sleeved on the outside of a plurality of ejection rods (31); A lifting component (34) is located inside the through slot.

2. The spring sheet stamping die with a demoulding structure according to claim 1, characterized in that: One end of each of the plurality of first compression springs (33) is fixedly connected to the top end of the inner wall of the through slot, and the other end of each of the plurality of first compression springs (33) is fixedly connected to the synchronization plate (32).

3. The spring sheet stamping die with a demoulding structure according to claim 1, characterized in that: The lifting assembly (34) comprises: A connecting block (341), wherein a plurality of the connecting blocks (341) are fixedly connected to the bottom end of the synchronization plate (32) at equal intervals; Extrusion blocks (342), wherein a plurality of the extrusion blocks (342) are arranged at the bottom of the through slot, and a slope is provided on a side of the plurality of connection blocks (341) opposite to the plurality of extrusion blocks (342); Slide blocks (343), wherein the plurality of slide blocks (343) are respectively fixedly connected to the plurality of extrusion blocks (342), the bottom end of the inner wall of the through groove is provided with a plurality of slide grooves, the slide blocks (343) are slidably interlaced with the inner cavity of the slide grooves, and the cross sections of the slide blocks (343) and the slide grooves are both T-shaped; A second compression spring (344), the second compression spring (344) is located inside the slide slot; A connecting rope (345), one end of each of the connecting ropes (345) is fixedly connected to each of the extrusion blocks (342), and the other end of each of the connecting ropes (345) is connected to the upper mold (1).

4. The spring sheet stamping die with a demoulding structure according to claim 3, characterized in that: One end of the second compression spring (344) is fixedly connected to the slider (343), and the other end of the second compression spring (344) is fixedly connected to the inner wall of the slide groove.

5. The spring sheet stamping die with a demoulding structure according to claim 3, characterized in that: One end of the connecting rope (345) is fixedly connected to a draw hook (4), and both sides of the upper mold (1) are fixedly connected to draw rings (5), and the draw hook (4) and the draw ring (5) cooperate with each other.

6. The spring sheet stamping die with a demoulding structure according to claim 3, characterized in that: A plurality of guide wheels (6) are fixedly mounted on both sides of the lower mold (2), and the plurality of connecting ropes (345) respectively cooperate with the plurality of guide wheels (6).

7. The spring sheet stamping die with a demoulding structure according to claim 1, characterized in that: A baffle (7) is fixedly mounted on the outer wall of the lower mold (2) by means of bolts, and is used to cover the through groove.

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