Die based on spliced template

Abstract

The utility model relates to a mould based on a splicing mould plate, which is used for forming a plate-shaped part with a bulge and a groove, the mould comprises an upper mould base, an upper mould plate, a lower mould plate and a lower mould base, the upper mould plate is provided with an arc-shaped groove matched with the outer side of a bending part of the plate-shaped part; the lower die plate comprises a bending block, a supporting bottom plate and a supporting block, the bending block comprises a first linear part, an arc-shaped supporting part and a third linear part which are sequentially connected, the arc-shaped supporting part is matched with the bending length of the inner side of the bending part, and the arc-shaped supporting part and the third linear part are in smooth transition; a containing groove matched with a part protrusion of a plate-shaped part is formed in the supporting bottom plate, the supporting block is detachably fixed to the supporting bottom plate, and a trapezoid table matched with a part groove of the plate-shaped part is arranged at the end, away from the supporting bottom plate, of the supporting block. Compared with the prior art, the splicing structure of the lower template has the advantages that the processing difficulty is reduced, the later maintenance and replacement are convenient, the cost is reduced, and the positioning precision is high.

Description

Technical Field

[0001] The utility model relates to the field of forming molds, in particular to a mold based on a splicing template. Background Art

[0002] Stamping dies are special process equipment used to process materials into parts during cold stamping. They are called cold stamping dies. Dies are tools used to make molded items. These tools are made up of various parts, and different dies are made up of different parts.

[0003] During the stamping process of plate-shaped air-conditioner outdoor unit parts with bumps and grooves, the existing processing is carried out through an integrated molding template. However, the integrated template is more difficult to manufacture, which increases the cost of the molding mold. In addition, the structure similar to the bump on the template is easy to be damaged during the stamping process of the upper and lower mold bases. For the integrated mold, the template needs to be replaced as a whole during later maintenance and replacement, which causes a waste of resources and increases maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide a mold based on a spliced ​​template in order to overcome the defects of the above-mentioned prior art that the integrated template molding of plate-like parts is difficult to process in the early stage and requires overall replacement for later maintenance, which wastes resources and has high costs.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A mold based on a splicing template is used for molding a plate-like part with protrusions and grooves, the mold comprising an upper mold base, an upper mold plate, a lower mold plate and a lower mold base, the upper mold plate is provided with an arc-shaped groove matching the outer side of the bending part of the plate-like part;

[0007] The lower template includes a bending block, a supporting base plate and a supporting block. The bending block includes a first straight portion, an arc-shaped supporting portion matching the inner bending length of the bending portion and a third straight portion connected in sequence. The arc-shaped supporting portion and the third straight portion have a smooth transition. The supporting base plate is provided with a receiving groove matching the part protrusion of the plate-like part. The supporting block is detachably fixed on the supporting base plate. The support block is provided with a trapezoidal platform matching the part groove of the plate-like part at one end away from the supporting base plate.

[0008] Preferably, the third straight line portion is tangent to the circle where the arc-shaped supporting portion is located.

[0009] Preferably, the included angle between the first straight portion and the third straight portion is 125-135 degrees.

[0010] Preferably, a positioning block is provided on the supporting bottom plate, and a positioning groove matching with the positioning block is provided on the supporting block.

[0011] Preferably, the lower mold plate further comprises a positioning member, one end of which is fixed on the lower mold base, and the other end of which contacts and connects the plate-shaped part.

[0012] Preferably, a positioning column is provided between the bending block and the supporting base plate, and a positioning notch matched with the positioning column is provided at the contact position between the bending block and the supporting base plate.

[0013] Preferably, a lower pad is provided at one end of the lower die base away from the lower template, the lower die base is provided with an avoidance hole matching the bent edge of the plate-like part, and the lower pad is provided with an avoidance groove at a position corresponding to the avoidance hole.

[0014] Preferably, an upper stripping plate and a guide column are provided at one end of the upper template away from the upper mold base, the upper stripping plate is connected to the upper template via the guide column, and the end of the upper stripping plate away from the upper template cooperates with the outer side of the fixing portion of the plate-like part.

[0015] Preferably, a limiting structure is provided between the upper die base and the lower die base. A guiding reset structure is provided between the upper die base and the lower die base.

[0016] Preferably, a retractable ejection structure is provided on the lower die base, one end of the ejection structure is fixed on the lower die base, and the other end contacts and connects the plate-shaped part.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] (1) In this solution, the lower template is a spliced ​​structure, the bending block and the support base are respectively arranged on the lower mold base, the support block is correspondingly fixed on the support base, the bending structure on the lower template and the protruding support block are detachably connected to the support base, and easily damaged parts are easy to maintain and replace, reducing the later maintenance cost. The plate-like parts are placed on the lower template, and the arc groove on the upper template cooperates with the bending block to bend the plate-like parts. The smoothly connected arc support part and the third straight line part on the bending block are used to complete the small bending of the plate-like parts, thereby improving the accuracy of the small bending of the plate-like parts. The structure is simple and the part forming efficiency is high.

[0019] (2) In this solution, corresponding positioning columns are set between the supporting base plate and the bending block, and the corresponding positioning grooves are used in conjunction with the positioning columns to ensure the accuracy of the relative position between the bending block and the supporting base plate. At the same time, the supporting block and the supporting base plate are positioned by the positioning blocks and the corresponding positioning grooves to ensure the accuracy of the position of the entire spliced ​​lower template.

[0020] (3) This solution sets corresponding positioning blocks around the supporting base plate, and cooperates with the receiving grooves and supporting blocks on the supporting base plate to limit the plate-like parts, thereby improving the positioning accuracy of the plate-like parts, and cooperates with the upper stripping plate on the upper template to improve the accuracy while ensuring the reliability of the limitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A structural schematic diagram of the front view of the mold provided by the utility model;

[0022] Figure 2 A schematic diagram of the structure of a top view of the lower template provided by the utility model;

[0023] Figure 3 It is a schematic diagram of the structure of the top view and the left view of the bending block provided by the utility model;

[0024] Figure 4 A schematic diagram of the structure of a top view of the lower die base provided by the utility model;

[0025] Figure 5 A structural schematic diagram of a front view and a partial view of a lower pad provided by the utility model;

[0026] Figure 6 A schematic diagram of the structure of the plate-shaped part provided by the utility model;

[0027] In the figure: 1. upper die seat, 2. upper template, 3. upper stripping plate, 4. lower template, 5. lower die seat, 6. plate-like part, 7. lower pad, 8. limiting structure, 9. guide reset structure, 10. ejecting structure, 21. guide column, 41. bending block, 42. supporting bottom plate, 43. supporting block, 44. positioning member, 45. positioning column, 46. accommodating groove, 411. first straight portion, 412. arc-shaped supporting portion, 413. third straight portion, 51. avoidance hole, 61. outer side of fixing portion, 62. outer side of bending portion, 63. inner side of bending portion, 64. part protrusion, 65. part protrusion, 66. bending edge, 71. avoidance groove. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0032] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0034] Example 1

[0035] like Figures 1 to 3 and Figure 6 As shown, this embodiment provides a mold based on a splicing template, which is used for molding a plate-like part 6 with protrusions and grooves. The mold includes an upper mold base 1, an upper mold plate 2, a lower mold plate 4 and a lower mold base 5. The upper mold plate 2 is provided with an arc-shaped groove that matches the outer side 62 of the bending portion of the plate-like part 6;

[0036] The lower template 4 includes a bending block 41, a supporting base plate 42 and a supporting block 43. The bending block 41 includes a first straight portion 411, an arc-shaped supporting portion 412 and a third straight portion 413 which are connected in sequence. The arc-shaped supporting portion 412 and the third straight portion 413 have a smooth transition. The supporting base plate 42 is provided with a receiving groove 46 which matches the part protrusion 64 of the plate-like part 6. The supporting block 43 is detachably fixed on the supporting base plate 42. The end of the supporting block 43 away from the supporting base plate 42 is provided with a trapezoidal platform which matches the part groove 65 of the plate-like part 6.

[0037] Working principle: The lower template 4 is a splicing structure. The bending block 41 and the supporting bottom plate 42 are respectively arranged on the lower mold base 5, and the supporting block 43 is fixed on the supporting bottom plate 42 to complete the installation of the lower template. The plate-like part 6 is placed on the lower template 4, and the arc-shaped groove on the upper template 2 cooperates with the bending block 41 to bend the plate-like part 6. The smoothly connected arc-shaped support part 412 and the third straight line part 413 on the bending block 41 are used to complete the small bending of the plate-like part.

[0038] In this solution, the lower template 4 is a spliced ​​structure, the bending block 41 and the support base plate 42 are respectively arranged on the lower mold base 5, and the support block 43 is fixed on the support base plate 42. The structure for bending on the lower template 4 and the protruding support block 43 are detachably connected to the support base plate 42, and the easily damaged parts are easy to maintain and replace, reducing the later maintenance cost. The plate-like part 6 is placed on the lower template 4, and the arc groove on the upper template 2 cooperates with the bending block 41 to bend the plate-like part 6. The smoothly connected arc support part 412 and the third straight line part 413 on the bending block 41 are used to complete the small bending of the plate-like part, thereby improving the accuracy of the small bending of the plate-like part 6. The structure is simple and the part forming efficiency is high.

[0039] The third straight portion 413 is tangent to the circle where the arc support portion 412 is located, that is, a smooth transition is achieved between the third straight portion 413 and the arc support portion 412. The angle between the first straight portion 411 and the third straight portion 413 is 125-135 degrees, so that a small bending of the plate-like part 6 is achieved.

[0040] As a preferred embodiment, the support base plate 42 is provided with a positioning block, and the support block 43 is provided with a positioning groove matched with the positioning block. The lower mold plate 4 also includes a positioning member 44, one end of which is fixed to the lower mold base 5, and the other end contacts the connecting plate-shaped part 6.

[0041] Furthermore, a positioning column 45 is provided between the bending block 41 and the supporting bottom plate 42, and a positioning notch matched with the positioning column 45 is provided at the contact position between the bending block 41 and the supporting bottom plate 42. A lower pad 7 is provided at one end of the lower die base 5 away from the lower template 4, and a avoidance hole 51 matched with the bending edge 66 of the plate-like part 6 is provided on the lower die base 5, and a avoidance groove 71 is provided at a position of the lower pad 7 corresponding to the avoidance hole 51.

[0042] Corresponding positioning columns are arranged between the supporting base plate and the bend. The corresponding positioning slots are arranged in cooperation with the positioning columns to ensure the accuracy of the relative position between the bending block and the supporting base plate. At the same time, the supporting block and the supporting base plate are positioned by the positioning blocks and the corresponding positioning slots to ensure the accuracy of the position of the entire spliced ​​lower template.

[0043] Optionally, an upper stripping plate 3 and a guide column 21 are provided at one end of the upper template 2 away from the upper mold base 1. The upper stripping plate 3 is connected to the upper template 2 via the guide column 21, and the end of the upper stripping plate 3 away from the upper template 2 cooperates with the outer side 61 of the fixing part of the plate-like part 6.

[0044] Corresponding positioning blocks are set around the supporting base plate, and the plate-like parts are limited in cooperation with the accommodating grooves and supporting blocks on the supporting base plate to improve the positioning accuracy of the plate-like parts. The upper stripping plate on the upper template is cooperated to improve the accuracy while ensuring the reliability of the limit.

[0045] Specifically, a limiting structure 8 is provided between the upper die base 1 and the lower die base 5. A guiding reset structure 9 is provided between the upper die base 1 and the lower die base 5. A retractable ejecting structure 10 is provided on the lower die base 5, one end of the ejecting structure 10 is fixed on the lower die base 5, and the other end contacts and connects the plate-like part 6.

[0046] The safety of the mold during the molding of the plate-like part 6 is improved, and the ejection efficiency of the mold is improved by utilizing the ejection structure 10 and the guide reset structure 9, thereby improving the part molding efficiency of the device.

[0047] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A mold based on a spliced ​​template, used for molding a plate-like part (6) with protrusions and grooves, the mold comprising an upper mold base (1), an upper mold plate (2), a lower mold plate (4) and a lower mold base (5), characterized in that: The upper template (2) is provided with an arc-shaped groove matching the outer side (62) of the bent portion of the plate-like part (6); The lower template (4) comprises a bending block (41), a supporting base plate (42) and a supporting block (43); the bending block (41) comprises a first straight portion (411), an arc-shaped supporting portion (412) matched with the bending length of the inner side (63) of the bending portion and a third straight portion (413) which are connected in sequence; the arc-shaped supporting portion (412) and the third straight portion (413) have a smooth transition; the supporting base plate (42) is provided with a receiving groove (46) matched with the part protrusion (64) of the plate-like part (6); the supporting block (43) is detachably fixed on the supporting base plate (42); and the support block (43) is provided with a trapezoidal platform matched with the part groove (65) of the plate-like part (6) at one end away from the supporting base plate (42).

2. A mold based on a splicing template according to claim 1, characterized in that: The third straight line portion (413) is tangent to the circle where the arc-shaped support portion (412) is located.

3. A mold based on a splicing template according to claim 1, characterized in that: The included angle between the first straight portion (411) and the third straight portion (413) is 125-135 degrees.

4. A mold based on a splicing template according to claim 1, characterized in that: The supporting bottom plate (42) is provided with a positioning block, and the supporting block (43) is provided with a positioning groove matched with the positioning block.

5. The mold based on the splicing template according to claim 1 is characterized in that: The lower mold plate (4) also includes a positioning member (44), one end of which is fixed on the lower mold base (5) and the other end of which contacts and connects the plate-shaped part (6).

6. A mold based on a splicing template according to claim 1, characterized in that: A positioning column (45) is provided between the bending block (41) and the supporting bottom plate (42), and a positioning notch matched with the positioning column (45) is provided at the contact position between the bending block (41) and the supporting bottom plate (42).

7. A mold based on a splicing template according to claim 1, characterized in that: A lower pad (7) is provided at one end of the lower die base (5) away from the lower mold plate (4); a avoidance hole (51) matching the bent edge (66) of the plate-like part (6) is provided on the lower die base (5); and a avoidance groove (71) is provided at a position of the lower pad (7) corresponding to the avoidance hole (51).

8. The mold based on the splicing template according to claim 1, characterized in that: An upper stripping plate (3) and a guide column (21) are provided at one end of the upper mold plate (2) away from the upper mold base (1); the upper stripping plate (3) is connected to the upper mold plate (2) via the guide column (21); and the end of the upper stripping plate (3) away from the upper mold plate (2) cooperates with the outer side (61) of the fixing portion of the plate-like part (6).

9. A mold based on a splicing template according to claim 1, characterized in that: A limiting structure (8) is provided between the upper die base (1) and the lower die base (5), and a guiding reset structure (9) is provided between the upper die base (1) and the lower die base (5).

10. A mold based on a splicing template according to claim 1, characterized in that: A retractable material-lifting structure (10) is provided on the lower die base (5), one end of the material-lifting structure (10) is fixed on the lower die base (5), and the other end contacts and connects the plate-shaped part (6).

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