Stamping die

Abstract

The utility model relates to the technical field of stamping, and discloses a stamping die which comprises a lower die body, four sliding columns are fixedly connected to the upper side of the lower die body, sliding sleeves are slidably connected to the outer sides of the sliding columns, an upper die body is fixedly connected between the upper sides of the four sliding sleeves, a die plate is fixedly connected to the bottom of the upper die body, and first springs are arranged on the outer sides of the sliding columns in a sleeved mode. An ejection assembly is arranged in the lower mold, a scraping assembly is arranged on the upper side of the lower mold, the ejection assembly comprises two connecting rods, and the outer sides of the connecting rods are connected into the lower mold in a sliding mode. According to the utility model, through the design of the connecting rod in the ejection assembly, the ejection plate and the pressing plate can act synchronously, when external pressure acts on the pressing plate, the connecting rod can be driven to slide, and the ejection plate is further driven to slide downwards, so that the die-casting of a die is facilitated; and the top plate can be rapidly driven by the connecting rod to eject a stamping part out of the lower die.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch technology field especially relates to punch die. BACKGROUND

[0002] The punch die is a kind of special process equipment in cold stamping processing, and it is used to process materials into parts or semi-finished products, and plays a crucial role in modern manufacturing industry. It has the advantages of high efficiency, high precision, high material utilization rate and high-strength parts.

[0003] At present, the existing punch die is taken out by artificial after stamping, which not only consumes time and effort, but also easily causes damage to the stamping part, reduces the production efficiency. At the same time, if the waste and residues remaining on the lower die cannot be cleaned in time, it will affect the quality of subsequent stamping parts and increase the scrap rate. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a punch die, which aims at improving the problem of not being convenient to take the die after stamping in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the punch die, including lower die, the lower die upper side is fixedly connected with four slide columns, the slide column outer side is slidably connected with slide sleeve, four The upper side of the slide sleeve is fixedly connected with the upper die, the upper die bottom is fixedly connected with the template, the slide column outer side is equipped with the first spring, the lower die is internally provided with the ejector assembly, the lower die upper side is provided with the scraping assembly;

[0006] The ejector assembly includes two connecting rods, the connecting rod outer side is slidably connected in the lower die, the connecting rod one end is fixedly connected with the top plate, the connecting rod other end is fixedly connected with the pressing plate, the connecting rod outer side is slidably connected with the limit plate, the limit plate bottom is fixedly connected with the second spring, the left side of the top plate right side is provided with transmission assembly.

[0007] As a further description of the above technical scheme:

[0008] The scraping assembly includes two scrapers, the scraper bottom is slidably connected on the lower die upper side, and the second rack plate is fixedly connected to the left side of the two scrapers.

[0009] As a further description of the above technical scheme:

[0010] The transmission assembly includes a first gear, a second gear and a first rack plate, the first gear and the second gear are rotatably connected in the lower die, and the first rack plate upper side is fixedly connected to the right side of the left side of the top plate.

[0011] As a further description of the above technical solutions:

[0012] One end of the first spring is fixedly connected to the upper side of the lower mold, and the other end of the first spring is fixedly connected to the bottom of the sliding sleeve.

[0013] As a further description of the above technical solutions:

[0014] The other end of the second spring away from the limiting plate is fixedly connected to the inner wall of the lower mold, and the limiting plate is slidably connected to the inside of the lower mold.

[0015] As a further description of the above technical solutions:

[0016] The sliding path of the top plate and the sliding path of the pressing plate are equal.

[0017] As a further description of the above technical solutions:

[0018] The second rack plate is slidably connected to the inner wall of the lower mold, and the first rack plate is slidably connected to the inside of the lower mold.

[0019] As a further description of the above technical solutions:

[0020] The first rack plate and the first gear are engaged, and the second gear and the second rack plate are engaged.

[0021] The utility model has the advantages of:

[0022] 1、The utility model discloses a connecting rod in the ejection assembly makes the top plate and the pressing plate can synchronous action, when external pressure acts on the pressing plate, can drive the connecting rod to slide, further drives the top plate to slide down, and the die is pressed cast conveniently, when there is no external pressure and acts on the pressing plate, can rapidly drive the top plate to eject the stamping part from the lower mold through the connecting rod, greatly saves the time of manual stamping part removal, thereby improve the overall production efficiency.

[0023] 2、The utility model discloses a transmission assembly that is arranged on the left side of the top plate and the right side, so that the ejection assembly can drive the scraping assembly to work through the transmission assembly when ejecting the stamping part, and the waste and residues on the lower mold are cleaned, thereby improving the overall working efficiency and automation degree of the die. DRAWINGS

[0024] Figure 1 A perspective view of the stamping die is provided for the utility model;

[0025] Figure 2 A template schematic view of the stamping die is provided for the utility model;

[0026] Figure 3The lower die of the stamping die is provided with a limiting plate 10.

[0027] Figure 4 The scraper of the stamping die is provided with a limiting plate 10.

[0028] Legend:

[0029] 1, lower die; 2, slide post; 3, first spring; 4, sliding sleeve; 5, upper die; 6, die plate; 7, connecting rod; 8, top plate; 9, pressing plate; 10, limiting plate; 11, second spring; 12, first rack plate; 13, first gear; 14, second gear; 15, scraper; 16, second rack plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] With reference to Figures 1-3 The utility model provides an embodiment: stamping die, including lower die 1, four slide posts 2 are fixedly connected to lower die 1 upside, slide post 2 provides stable guide effect for stamping die, the sliding sleeve 4 is connected to the outside of slide post 2, the cooperation of sliding sleeve 4 and slide post 2 makes that upper die 5 can move smoothly up and down, four sliding sleeves 4 upside are fixedly connected with upper die 5, and upper die 5 is used for carrying out stamping forming to the material placed on lower die 1, and upper die 5 bottom is fixedly connected with die plate 6, and die plate 6 is the part directly contacted with material, and the first spring 3 is sleeved on the outside of slide post 2, and the first spring 3 plays the role of buffering in the stamping process, and when stamping is completed, the first spring 3 can help upper die 5 reset quickly, and the lower die 1 is internally provided with the ejection assembly, and the ejection assembly is used for ejecting the stamping piece from lower die 1 after stamping is completed, and the lower die 1 upside is provided with the scraping assembly, and the scraping assembly can scrape the waste or residue on lower die 1 in the stamping process or after stamping is completed;

[0032] With reference to Figures 1-3The ejection assembly includes two connecting rods 7, which play the role of transmitting force and converting external pressure into an upward thrust of the top plate 8. The outer side of the connecting rod 7 is slidably connected to the inside of the lower mold 1 to ensure that the connecting rod 7 can move up and down stably. One end of the connecting rod 7 is fixedly connected to the top plate 8, which is used to directly contact the stamping part and eject it from the lower mold 1. The other end of the connecting rod 7 is fixedly connected to a pressure plate 9. The pressure plate 9 moves downward under the action of external pressure, further driving the connecting rod 7 to slide. The outer side of the connecting rod 7 is slidably connected to the limit plate 10, which limits the moving range of the connecting rod 7. The bottom of the limit plate 10 is fixedly connected to a second spring 11, which plays a buffering role during the ejection process to prevent the top plate 8 from generating excessive impact force on the stamping part. A transmission assembly is provided on the right side of the left top plate 8. The transmission assembly is used to transmit the movement of the top plate 8 to the scraping assembly to achieve synchronous action.

[0033] Reference Figure 1 and Figure 4 The scraping assembly includes two scrapers 15, which are used to scrape off waste or residue on the lower mold 1. The bottom of the scraper 15 is slidably connected to the upper side of the lower mold 1 to ensure that the scraper 15 can move smoothly. The left side of the two scrapers 15 is fixedly connected to a second rack plate 16, which cooperates with the transmission assembly to realize the movement of the scraper 15.

[0034] Reference Figure 4 The transmission assembly includes a first gear 13, a second gear 14 and a first rack plate 12. The first gear 13 and the second gear 14 play the role of transmitting motion, converting the up and down motion of the top plate 8 into the horizontal motion of the scraper 15. The first gear 13 and the second gear 14 are both rotatably connected to the inside of the lower mold 1 to ensure that the first gear 13 and the second gear 14 can rotate stably. The upper side of the first rack plate 12 is fixedly connected to the right side of the left top plate 8, so that the first rack plate 12 moves with the up and down motion of the top plate 8.

[0035] Reference Figure 1 and Figure 2 One end of the first spring 3 is fixedly connected to the upper side of the lower mold 1, and the other end of the first spring 3 is fixedly connected to the bottom of the sliding sleeve 4, ensuring that the spring can play a stable role during the stamping process, thereby driving the upper mold 5 to quickly reset.

[0036] Reference Figure 3 The end of the second spring 11 away from the limit plate 10 is fixedly connected to the inner wall of the lower mold 1, ensuring that the second spring 11 can play a stable role during the ejection process. The outer side of the limit plate 10 is slidably connected to the inside of the lower mold 1, ensuring that the limit plate 10 can slide up and down with the movement of the connecting rod 7.

[0037] Reference Figures 1-3, the top plate 8 sliding path and the pressing plate 9 sliding path are equal, which ensures that the top plate 8 and the pressing plate 9 can move synchronously, realizing stable ejection function.

[0038] With reference to Figure 4 , the second rack plate 16 is slidably connected to the inner wall of the lower mold 1, which ensures that the second rack plate 16 can move smoothly and drive the scraper 15 to perform scraping action, and the first rack plate 12 is slidably connected to the inside of the lower mold 1, which ensures that the first rack plate 12 can stably move along with the up-down movement of the top plate 8.

[0039] With reference to Figure 4 , the first rack plate 12 and the first gear 13 are engaged, and the up-down movement of the first rack plate 12 is converted into the rotation of the first gear 13 through engagement transmission, and the second gear 14 and the second rack plate 16 are engaged, and the rotation of the second gear 14 is converted into the horizontal movement of the second rack plate 16 through engagement transmission, thereby driving the scraper 15 to perform scraping action.

[0040] Working principle: when it is needed to perform injection molding on the product, the product is placed on the upper side of the lower mold 1, then the upper mold 5 is extruded by means of the hydraulic machine, the upper mold 5 is extruded to slide to drive the sliding sleeve 4 to slide and extrude the first spring 3, the upper mold 5 slides downward to drive the template 6 to slide to perform injection molding on the product, the upper mold 5 slides at the same time to extrude the pressing plate 9, so that the pressing plate 9 slides and drives the connecting rod 7 to slide, further driving the top plate 8 to slide, at the same time, the sliding of the connecting rod 7 also drives the limiting plate 10 to slide and extrude the second spring 11, the sliding of the connecting rod 7 drives the top plate 8 to slide, so that the top plate 8 enters the inside of the lower mold 1, when the top plate 8 slides, it drives the first rack plate 12 to slide, the sliding of the first rack plate 12 drives the first gear 13 to rotate, the rotation of the first gear 13 drives the second gear 14 to rotate and drives the two second rack plates 16 to slide in opposite directions, further driving the two scrapers 15 to slide, so that the scrapers 15 and the inner wall of the lower mold 1 are in close contact, after the injection molding is completed, the upper mold 5 is lifted, the upper mold 5 is reset to be pushed through the slide column 2 when it is lifted, at the same time, the pressure of the pressing plate 9 disappears, the second spring 11 is reset, further pushing the limiting plate 10 to rise, thereby driving the connecting rod 7 to slide, and the mold is ejected through the top plate 8, at the same time, the upward sliding of the top plate 8 also drives the first rack plate 12 to slide, further making the two scrapers 15 slide relatively to clean the residual material on the surface of the lower mold 1.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A stamping die, comprising a lower die (1), characterized in that: The upper side of the lower mold (1) is fixedly connected to four slide posts (2), the outer side of the slide posts (2) is slidably connected to a slide sleeve (4), the upper mold (5) is fixedly connected between the upper sides of the four slide sleeves (4), the bottom of the upper mold (5) is fixedly connected to a template (6), the outer side of the slide post (2) is sleeved with a first spring (3), the interior of the lower mold (1) is provided with an ejection assembly, and the upper side of the lower mold (1) is provided with a scraping assembly; The ejection assembly includes two connecting rods (7), the outer sides of the connecting rods (7) are slidably connected to the interior of the lower mold (1), one end of the connecting rods (7) is fixedly connected to a top plate (8), and the other end of the connecting rods (7) is fixedly connected to a pressure plate (9), the outer sides of the connecting rods (7) are slidably connected to a limit plate (10), the bottom of the limit plate (10) is fixedly connected to a second spring (11), and a transmission assembly is provided on the left side and the right side of the top plate (8).

2. The stamping die according to claim 1, wherein: The scraping assembly comprises two scrapers (15), the bottoms of the scrapers (15) are slidably connected to the upper side of the lower mold (1), and the left sides of the two scrapers (15) are fixedly connected to a second rack plate (16).

3. The stamping die according to claim 2, wherein: The transmission assembly comprises a first gear (13), a second gear (14) and a first rack plate (12), wherein the first gear (13) and the second gear (14) are both rotatably connected to the interior of the lower mold (1), and the upper side of the first rack plate (12) is fixedly connected to the right side of the top plate (8) on the left side.

4. The stamping die according to claim 1, wherein: One end of the first spring (3) is fixedly connected to the upper side of the lower mold (1), and the other end of the first spring (3) is fixedly connected to the bottom of the sliding sleeve (4).

5. The stamping die according to claim 1, wherein: One end of the second spring (11) away from the limiting plate (10) is fixedly connected to the inner wall of the lower mold (1), and the outer side of the limiting plate (10) is slidably connected to the inside of the lower mold (1).

6. The stamping die according to claim 1, wherein: The sliding path of the top plate (8) is equal to the sliding path of the pressure plate (9).

7. The stamping die according to claim 3, characterized in that: The outer side of the second rack plate (16) is slidably connected to the inner wall of the lower mold (1), and the outer side of the first rack plate (12) is slidably connected to the inside of the lower mold (1).

8. The stamping die according to claim 3, characterized in that: The first rack plate (12) and the first gear (13) are meshed with each other, and the second gear (14) and the second rack plate (16) are meshed with each other.

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