C-type aluminum template punching die

Abstract

The invention discloses a C-shaped aluminum template punching die, comprising a punch assembly (1) and a die body (2), wherein the punch assembly is composed of a punch connecting plate (11), a punch pressing plate (12) and a punching pin (13) connected together from top to bottom in sequence; a C-shaped cavity penetrating the die body (2) from front to back is arranged in the die body (2); the width of the upper cavity of the C-shaped cavity is smaller than the width of the lower cavity; the upper cavity and the lower cavity are connected through the side cavity; a punching hole penetrating the die body (2) from top to bottom is arranged in the die body (2), and the punching hole passes through the upper cavity and the lower cavity. The die has the functions of positioning the template punching, maintaining the template shape, maintaining the flatness of the template punching part, etc., and the die structure is compact, and the layout is simple and reasonable. Under the premise of ensuring the template processing quality, the die manufacturing cost is reduced to the greatest extent.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum template punching, in particular to an aluminum template punching die. Background Art

[0002] With the continuous innovation and development of modern technology and processes, new building materials are constantly replacing traditional materials and being used in the construction industry. Aluminum alloy formwork is one of the new materials. This material has the advantages of light weight, high strength, corrosion resistance, easy recycling, easy installation, high dimensional accuracy, etc. It is being widely promoted and applied in the construction industry.

[0003] In order to meet the connection requirements during use, aluminum alloy formworks need to be drilled. However, due to different construction projects, the shapes of the designed aluminum alloy formworks vary. Therefore, for irregularly shaped aluminum alloy formworks, holes often need to be drilled, which results in low work efficiency, low dimensional accuracy, and the flatness of the formwork surface cannot be guaranteed. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a C-shaped aluminum template punching die.

[0005] A C-shaped aluminum template punching die comprises a punch assembly and a die body, wherein the punch assembly consists of a punch connecting plate, a punch pressing plate and a punching pin connected together in sequence from top to bottom; a C-shaped cavity penetrating the die body front and back is provided in the die body; the width of the upper cavity of the C-shaped cavity is smaller than the width of the lower cavity; the upper cavity is connected to the lower cavity through a side cavity; a punching hole penetrating the die body from top to bottom is provided in the die body, and the punching hole passes through the upper cavity and the lower cavity.

[0006] The C-shaped aluminum template punching die described in the present invention, wherein bearings are provided on both the left and right sides of the upper cavity and the left side of the lower cavity; and a bearing pin is provided in the die body, one on each side, which passes through the bearing up and down.

[0007] The C-shaped aluminum template punching mold described in the present invention, wherein a mold plate is provided below the upper cavity, a first punching hole is provided through the center of the mold plate; a first pin hole is provided on one side of the mold plate; the mold plate is fixed to the mold body by a pin passing through the first pin hole.

[0008] The C-shaped aluminum template punching mold described in the present invention, wherein an upper mold sleeve is provided in the mold body above the upper cavity, and a lower mold sleeve is provided in the mold body below the mold plate; the upper mold sleeve and the lower mold sleeve are both cylindrical, and their inner diameter is equal to the cross-sectional diameter of the stamping pin shaft, and their outer diameter is equal to the diameter of the punching hole in the mold body.

[0009] The C-shaped aluminum template punching die described in the present invention, wherein the cross-section of the punch connecting plate is inverted T-shaped, the upper part of which is a square plate, and the lower part is a circular plate, and the two are made as one piece; a first through hole that passes through front and back is provided in the center of the square plate, bolt holes that pass through up and down are provided at the left and right ends of the square plate, and two bolt holes that pass through up and down are symmetrically provided on both sides of the circular plate; a circular groove A is provided at the bottom of the circular plate.

[0010] The C-shaped aluminum template punching die described in the present invention, wherein the punch pressing plate is a circular plate, a second through hole is provided in the center thereof, and 6 bolt holes are evenly distributed around it; a circular groove B is provided in the center of the upper surface of the punch pressing plate; the diameters of the circular grooves A and B are equal.

[0011] The C-shaped aluminum template punching die described in the present invention, wherein the punching pin is in the shape of a cylindrical rod, and the diameter of its head is slightly larger than the diameter of the rod; the diameter of the punching pin head is equal to the diameter of the circular groove A; the head of the punching pin is placed in the space enclosed by the circular groove A and the circular groove B, and the rod of the punching pin passes through the second through hole; the punch connecting plate and the punch pressing plate are connected by bolts.

[0012] The C-shaped aluminum template punching die of the present invention, wherein a groove C is provided on the upper surface of the die body.

[0013] The C-shaped aluminum template punching die described in the present invention, wherein a second pin hole is provided on the side of the upper die sleeve; a third pin hole is provided on the side of the lower die sleeve; and the upper die sleeve and the lower die sleeve are both fixed to the die body by pins passing through the pin holes.

[0014] The C-shaped aluminum template punching die described in the present invention, wherein the heights of the left and right ends of the lower cavity are higher than the height of the middle part; and the C-shaped aluminum template can be placed in the C-shaped cavity.

[0015] Compared with the prior art, the outstanding effects of the present invention are:

[0016] (1) The mold has the functions of positioning the template punching, maintaining the template shape, and maintaining the flatness of the template punching part. The mold structure is compact and the layout is simple and reasonable. Under the premise of ensuring the quality of template processing, the mold manufacturing cost is reduced to the greatest extent.

[0017] (2) The mold is suitable for C-section templates. When processing this section template, the corresponding mold is first installed on the punching equipment. The mold clamping template space is closely matched with the template. When punching, it can effectively support the template cavity, thereby ensuring that the stamping surface and other working surfaces of the template are not deformed before and after stamping, which affects the use of the template. The mold is equipped with a rolling bearing device to ensure that the template moves smoothly in the mold during servo feeding, and at the same time, it can also avoid mold wear and scratches on the template surface.

[0018] The C-shaped aluminum template punching die of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the C-shaped aluminum template punching die of the present invention when punching;

[0020] Figure 2 It is the main view of the punch assembly;

[0021] Figure 3 It is the left view of the punch assembly;

[0022] Figure 4 It is a bottom view of the punch plate;

[0023] Figure 5 It is the front view of the punch plate;

[0024] Figure 6 It is a top view of the punch connecting plate;

[0025] Figure 7 It is the left view of the punch connecting plate;

[0026] Figure 8 It is the front view of the punch connecting plate;

[0027] Fig. 9 It is the main view of the mold plate;

[0028] Fig.10 is a top view of the mold plate;

[0029] Fig.11 This is the front view of the model. DETAILED DESCRIPTION

[0030] Combination Figure 1-3As shown in Figures 9-11, the C-shaped aluminum template punching die includes a punch assembly 1 and a die body 2, wherein the punch assembly consists of a punch connecting plate 11, a punch pressing plate 12 and a punching pin 13 which are sequentially connected from top to bottom; a C-shaped cavity which passes through the die body 2 from front to back is provided in the die body 2; the width of the upper cavity of the C-shaped cavity is smaller than the width of the lower cavity; the upper cavity is connected to the lower cavity through the side cavity; a punching hole which passes through the die body 2 from top to bottom is provided in the die body 2, and the punching hole passes through the upper cavity and the lower cavity.

[0031] The left and right sides of the upper cavity and the left side of the lower cavity are provided with bearings 4, which can play a guiding role in the aluminum template processing and avoid scratches on the surface of the aluminum template caused by direct contact and friction between the aluminum template and the mold body. The mold body 2 is provided with a bearing pin 21 on each side, which passes through the bearing up and down.

[0032] like Figure 1 , 9 -11, a mold plate 5 is provided below the upper cavity, and a first punch hole 52 is provided through the center of the mold plate 5; a first pin hole 53 is provided on one side of the mold plate 5; the mold plate 5 is fixed to the mold body 2 by a pin passing through the first pin hole 53. A transverse rib 51 is provided on each of the left and right sides of the lower surface of the mold plate 5, and the mold plate 5 is engaged with the mold body 2 through the transverse rib 51. The base of the transverse rib 51 connected to the lower bottom surface of the mold plate 5 is slightly narrower than the end, and the edge of the end is treated with an arc transition. The edge of the lower bottom surface of the mold plate 5 is treated with an arc transition to facilitate the removal and placement of the mold plate. The mold plate 5 is made of mold steel, which has better wear resistance, and it is a detachable structure with the mold body 2. When it is severely worn in the later stage, it can be directly removed and replaced.

[0033] An upper die sleeve 22 is provided in the die body above the upper cavity, and a lower die sleeve 23 is provided in the die body below the die plate 5; both the upper die sleeve 22 and the lower die sleeve 23 are cylindrical, and their inner diameter is equal to the cross-sectional diameter of the stamping pin shaft 13, and their outer diameter is equal to the diameter of the punching hole in the die body 2.

[0034] like Figure 2-8 As shown, the cross-section of the punch connecting plate 11 is inverted T-shaped, with the upper part being a square plate and the lower part being a circular plate, and the two are made as one piece; a first through hole 111 penetrating front to back is provided in the center of the square plate, bolt holes 112 penetrating up and down are provided at the left and right ends of the square plate, and two bolt holes 112 penetrating up and down are symmetrically provided on both sides of the circular plate; a circular groove A113 is provided at the bottom of the circular plate.

[0035] The punch pressing plate 12 is a circular plate with a second through hole 121 in the center and six bolt holes 122 evenly distributed around it. A circular groove B123 is provided in the center of the upper surface of the punch pressing plate 12. The diameters of the circular groove A113 and the circular groove B123 are equal.

[0036] The stamping pin 13 is in the shape of a cylindrical rod, and the diameter of its head is slightly larger than the diameter of the rod; the diameter of its rod is 16.5 mm; the diameter of the head of the stamping pin 13 is equal to the diameter of the circular groove A113; the head of the stamping pin 13 is placed in the space enclosed by the circular groove A113 and the circular groove B123, and the rod of the stamping pin 13 passes through the second through hole 121; the punch connecting plate 11 and the punch pressing plate 12 are connected by bolts.

[0037] The entire punch assembly is connected to the oil cylinder through the first through hole 111 of the punch connecting plate 11 .

[0038] like Fig.11 As shown, an elliptical groove C26 with a depth of 1 mm is provided on the upper surface of the mold body 2 for storing cooling lubricating grease.

[0039] A second pin hole 24 is provided on the side of the upper die sleeve 22; a third pin hole 25 is provided on the side of the lower die sleeve 23; the upper die sleeve 22 and the lower die sleeve 23 are both fixed to the die body 2 by pins passing through the pin holes.

[0040] The heights of the left and right ends of the lower cavity are higher than the height of the middle part; a C-shaped aluminum template 3 can be placed in the C-shaped cavity. During the aluminum template punching process, one end of the aluminum template 3 is clamped by a chuck to pull the aluminum template 3 along the C-shaped cavity of the C-shaped aluminum template punching mold, and its moving distance is controlled by a servo motor.

[0041] The embodiments described above are merely descriptions of preferred implementation modes of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A C-shaped aluminum template punching die, characterized in that: The invention comprises a punch assembly (1) and a die body (2), wherein the punch assembly is composed of a punch connecting plate (11), a punch pressing plate (12) and a punch pin (13) which are connected in sequence from top to bottom; a C-shaped cavity which penetrates the die body (2) from front to back is provided in the die body (2); the width of the upper cavity of the C-shaped cavity is smaller than the width of the lower cavity; the upper cavity and the lower cavity are connected through the side cavity; a punch hole which penetrates the die body (2) from top to bottom is provided in the die body (2), and the punch hole passes through the upper cavity and the lower cavity; a die plate is provided below the upper cavity (5), a first punching hole (52) is provided at the center of the mold plate (5); a first pin hole (53) is provided on one side of the mold plate (5); the mold plate (5) is fixed to the mold body (2) by a pin passing through the first pin hole (53); an upper mold sleeve (22) is provided in the mold body above the upper cavity, and a lower mold sleeve (23) is provided in the mold body below the mold plate (5); the upper mold sleeve (22) and the lower mold sleeve (23) are both cylindrical, with an inner diameter equal to the cross-sectional diameter of the punching pin shaft (13), and an outer diameter equal to the diameter of the punching hole in the mold body (2); The left and right sides of the upper cavity and the left side of the lower cavity are both provided with bearings (4); the mold body (2) is provided with a bearing pin shaft (21) on the left and right sides respectively, which passes through the bearings up and down; The punch connecting plate (11) has an inverted T-shaped cross section, with an upper portion being a square plate and a lower portion being a circular plate, the two being made as one piece; a first through hole (111) penetrating from front to back is provided in the center of the square plate, bolt holes penetrating from top to bottom are provided at the left and right ends of the square plate, and two bolt holes penetrating from top to bottom are symmetrically provided on both sides of the circular plate; a circular groove A (113) is provided at the bottom of the circular plate; The punch pressing plate (12) is a circular plate, with a second through hole (121) provided in the center thereof and 6 bolt holes evenly distributed around it; a circular groove B (123) is provided in the center of the upper surface of the punch pressing plate (12); the diameters of the circular groove A (113) and the circular groove B (123) are equal; The punch pin shaft (13) is in the shape of a cylindrical rod, and the diameter of its head is slightly larger than the diameter of the rod; the diameter of the head of the punch pin shaft (13) is equal to the diameter of the circular groove A (113); the head of the punch pin shaft (13) is placed in a space enclosed by the circular groove A (113) and the circular groove B (123), and the rod of the punch pin shaft (13) passes through the second through hole (121); the punch connecting plate (11) and the punch pressing plate (12) are connected by bolts; The upper surface of the mold body (2) is provided with a groove C (26); the heights of the left and right ends of the lower cavity are higher than the height of the middle part; and a C-shaped aluminum template can be placed in the C-shaped cavity.

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