Anti-interference die

Abstract

The anti-interference mold comprises a mold base part, guide columns, an upper spring column, a spring, a positioning key, a mold forming part, an adjusting block and a lower spring column, the mold base part and the mold forming part are connected together through at least two guide columns, and an upper cavity and a lower cavity which are communicated with each other are formed in the mold base part and the mold forming part respectively. The positioning key through hole is parallel to the contact surface of the die base part and the die forming part and penetrates through the cross section of the upper cavity and the cross section of the die base part, the adjusting block is in a right-angle shape and comprises a vertical angle edge and a transverse right-angle edge, the vertical angle edge is fixed to the positioning key through a connecting pin, and the end face of the transverse right-angle edge prizes the die base part and the die forming part open; an upper spring column is fixed to the upper end of the upper cavity, a lower spring column is fixed to the lower end of the lower cavity, the upper end and the lower end of a spring are fixed to the upper spring column and the lower spring column respectively, a positioning groove leading to a positioning key through hole is formed in the front face of the die base, and a positioning key pin is fixed to a positioning key and moves within the length limited by the positioning groove.

Description

Technical Field

[0001] The utility model relates to the technical field of mold forming, in particular to an anti-interference mold. Background Art

[0002] When a single sheet of material is used to form a variable-section product, when the upper and lower molds and the product are formed, and when the product, the upper mold and the lower mold are demolded along different running trajectories, interference occurs between the upper mold, the lower mold and the product, affecting the shape and quality of the product. To prevent interference between the mold and the product, one method is to change the position of the mold forming part to avoid interference with the product, thereby ensuring the molding accuracy of the product. Summary of the invention

[0003] The utility model aims to overcome the problem of interference between the existing mold and the molded product during entry and demolding, and to provide an anti-interference mold. The requirements for the anti-interference mold are: in the molding stage, the anti-interference mold is in a molding state, that is, the mold is in the highest state, and is guaranteed to withstand the molding pressure so that the material plate can be normally molded, and this state is maintained until the molding is completed; in the non-molding stage, the anti-interference mold is in a molding state, that is, the mold is in a contracted state or the lowest state.

[0004] In order to achieve the invention purpose of the utility model, the utility model adopts the following technical solutions:

[0005] The utility model discloses an anti-interference mold, which comprises: a mold base, a guide column, an upper spring column, a spring, a positioning key, a mold forming part, an adjusting block and a lower spring column, the mold base and the mold forming part are connected together by at least two guide columns, and the mold forming part moves on the mold base along the guide columns, wherein: an upper cavity and a lower cavity connected are respectively opened in the mold base and the mold forming part, the positioning key through hole is parallel to the contact surface of the mold base and the mold forming part, and passes through the cross section of the upper cavity and the mold base, and the adjusting block is a right angle type, which comprises: a vertical right angle side and a horizontal right angle side, and the horizontal right angle side is at the lower end of the vertical right angle side. The vertical angle side is fixed to the positioning key through a connecting pin, and the end face of the horizontal right angle side pries the mold base and the mold forming part () apart; an upper spring column is fixed to the upper end of the upper cavity, and a lower spring column is fixed to the lower end of the lower cavity, the upper and lower ends of the spring are respectively fixed to the upper spring column and the lower spring column, and a positioning groove leading to the positioning key through hole is opened on the front side of the mold base. The positioning key pin is fixed to the positioning key and moves within the length limited by the positioning groove, pushing one end of the positioning key, and the adjusting block on the positioning key overcomes the tension of the tensile spring to pry the mold base and the mold forming part () apart, and the mold forming part () moves on the mold base along the above-mentioned guide column.

[0006] The utility model provides an anti-interference mold, wherein: the upper end surface of the horizontal right angle side is in a straight line with the contact surface of the mold base and the mold forming part, the end surface of the horizontal right angle side contacting the lower cavity is an inclined surface retracted into the lower cavity, and the upper cavity and the lower cavity contacting the above inclined surface have an arc transition.

[0007] The utility model provides an anti-interference mold, wherein: the end face of the horizontal right-angle side is a sharp angle, and the sharp angle faces the contact surface between the mold base and the mold forming part.

[0008] The utility model provides an anti-interference mold, wherein the end of the mold forming part is a mold pressing head.

[0009] The utility model provides an anti-interference mold, wherein: the positioning groove is parallel to the positioning key, and the length of the positioning groove is equal to the length of the horizontal right-angle side of the adjustment block.

[0010] The utility model discloses an anti-interference mold, wherein: the upper spring column is installed from the side of the mold base and fixed above the upper cavity.

[0011] The utility model provides an anti-interference mold, wherein: the lower spring column is installed from the side of the mold forming part and fixed below the lower cavity.

[0012] Compared with the prior art, the anti-interference mold of the utility model solves the problem of mutual interference between the mold and the product when the variable cross-section product is demolded after molding, thereby expanding the range of molded products. The utility model has a simple structure, fast shrinkage and expansion of the mold molding part, reliable performance, and can shrink and expand automatically without manual control, thereby expanding the product range and production efficiency and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of a conventional die pressing device consisting of an upper die and a lower die;

[0014] Figure 2 It is a forward schematic diagram of the anti-interference mold of the utility model;

[0015] Figure 3 It is a schematic cross-sectional view of the anti-interference mold of the first embodiment of the utility model. Figure 3 The anti-interference mold is shown in a non-working state;

[0016] Figure 4 is from Figure 3 A top view schematic diagram of a section cut at AA;

[0017] Figure 5 for Figure 3 An enlarged schematic diagram of the middle regulation block;

[0018] Figure 6It is a schematic cross-sectional view of the anti-interference mold of the first embodiment of the utility model. Figure 6 The anti-interference mold is shown in working condition;

[0019] Figure 7 Schematic diagram of the front cross section of the anti-interference mold of the second embodiment of the utility model, Figure 7 The anti-interference mold is shown in a non-working state;

[0020] Figure 8 for Figure 7 An enlarged schematic diagram of the middle regulation block;

[0021] Fig. 9 It is a schematic diagram of a die pressing device composed of an upper die and a lower die behind the anti-interference die of the utility model.

[0022] exist Figures 1 to 9 In the figure, number 1 is; number 2 is the mold base; number 3 is the guide column; number 4 is the upper cavity; number 5 is the upper spring column; number 6 is the spring; number 7 is the positioning key; number 8 is the mold forming part; number 9 is the adjustment block; number 10 is the lower spring column; number 11 is the mold pressure head; number 12 is the positioning key pin; number 13 is the positioning groove; number 14 is the connecting pin; number 15 is the lower cavity; number 16 is the vertical angle side; number 17 is the horizontal right angle side; number 18 is the sharp corner; number 111 is the upper mold; number 112 is the die product; number 113 is the lower mold. DETAILED DESCRIPTION

[0023] like Figure 1 As shown, in the conventional molding device composed of an upper mold and a lower mold, interference will occur when the upper mold 111, the molded product 112 and the lower mold 113 enter the molding and are demolded.

[0024] First embodiment

[0025] like Figures 2 to 5As shown, the anti-interference mold of the utility model comprises: a mold base 2, a guide column 3, an upper spring column 5, a spring 6, a positioning key 7, a mold forming part 8, an adjustment block 9 and a lower spring column 10. The mold base 2 and the mold forming part 8 are connected together by two guide columns 3. The mold forming part 8 moves on the mold base 2 along the two guide columns 3. The mold base 2 and the mold forming part 8 are respectively provided with an upper cavity 4 and a lower cavity 15 connected. The positioning key through hole 1 is parallel to the contact surface of the mold base 2 and the mold forming part 8, and passes through the cross section of the upper cavity 4 and the mold base 2. The adjustment block 9 is a right angle type, which comprises: a vertical angle side 16 and a horizontal right angle side 17. The horizontal right angle side 17 is at the lower end of the vertical angle side 16. The vertical angle side 16 is fixed on the positioning key 7 through a connecting pin 14. The horizontal right angle side 17 The upper end surface is in a straight line with the contact surface of the mold base 2 and the mold forming part, the end surface of the horizontal right angle side 17 in contact with the lower cavity 15 is an inclined surface retracted into the lower cavity 15, and the upper cavity 4 and the lower cavity 15 in contact with the above inclined surface have an arc transition. The upper spring column 5 is installed from the side of the mold base 2 and fixed above the upper cavity 4, and the lower spring column 10 is installed from the side of the mold forming part 8 and fixed below the lower cavity 15. The upper and lower ends of the spring 6 are respectively fixed on the upper spring column 5 and the lower spring column 10. A positioning groove 13 leading to the positioning key through hole 1 is opened on the front of the mold base 2. The positioning groove 13 is parallel to the positioning key 7. The length of the positioning groove 13 is equal to the length of the horizontal right angle side 17 of the adjustment block 15. The positioning key pin 12 is fixed on the positioning key 7 and moves within the length limited by the positioning groove 13. Figure 5 As shown, push one end of the positioning key 7, the adjusting block 9 on the positioning key 7 overcomes the tension of the tension spring 6 to pry the mold base 2 and the mold forming part 8 apart, the mold forming part 8 moves on the mold base 2 along the two guide pillars 3, and the mold forming part 8 performs the molding operation; conversely, push the other end of the positioning key 7, as shown in FIG. Figure 3 As shown, the adjusting block 9 is retracted into the upper cavity 4 and the lower cavity 15 , and the mold forming part 8 is retracted, so that the mold pressing head 11 avoids interference with the molded product 112 .

[0026] The end of the mold forming portion 8 is a mold pressing head 11 .

[0027] like Fig. 9 As shown, the upper mold 111 and the lower mold 113 are replaced by the mold base 2 and the mold forming part 8 of the utility model. The die pressing device composed of the upper mold 111 and the lower mold 113 will not cause interference when entering the die pressing and demolding.

[0028] Second embodiment

[0029] like Figure 7 and Figure 8As shown, the second embodiment is identical to the first embodiment in structure and movement mode, and the identical parts will not be described again. The difference is that the end face of the horizontal right angle edge 17 is a sharp corner 18, and the sharp corner 18 is opposite to the contact surface between the mold base 2 and the mold forming part 8.

[0030] The technical contents of the present invention are explained above, but the protection scope of the present invention is not limited to the said contents. Within the knowledge scope of ordinary technicians in this field, various changes can be made to the technical contents of the present invention without departing from the purpose of the present invention. 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. An anti-interference mold, comprising: A mold base (2), a guide column (3), an upper spring column (5), a spring (6), a positioning key (7), a mold forming part (8), an adjustment block (9) and a lower spring column (10), wherein the mold base (2) and the mold forming part (8) are connected together by at least two guide columns (3), and the mold forming part (8) moves on the mold base (2) along the above-mentioned guide columns (3), characterized in that: an upper cavity (4) and a lower cavity (15) are respectively opened in the mold base (2) and the mold forming part (8), and a positioning key through hole (1) is parallel to the contact surface of the mold base (2) and the mold forming part (8), and passes through the cross section of the upper cavity (4) and the mold base (2), and the adjustment block (9) is a right angle type, which includes: a vertical angle side (16) and a horizontal right angle side (17), the horizontal right angle side (17) is at the lower end of the vertical angle side (16), and the vertical angle side (15) is connected to the mold base (2). 6) is fixed to the positioning key (7) through a connecting pin (14), and the end surface of the horizontal right angle side (17) pries the mold base (2) and the mold forming part (8) apart; an upper spring column (5) is fixed to the upper end of the upper cavity (4), and a lower spring column (10) is fixed to the lower end of the lower cavity (15); the upper end and the lower end of the spring (6) are respectively fixed to the upper spring column (5) and the lower spring column (10); a positioning groove (13) leading to the positioning key through hole (1) is opened on the front of the mold base (2); the positioning key pin (12) is fixed to the positioning key (7) and moves within the length limited by the positioning groove (13), pushing one end of the positioning key (7); the adjustment block (9) on the positioning key (7) overcomes the tension of the tension spring (6) to pry the mold base (2) and the mold forming part (8) apart, and the mold forming part (8) moves on the mold base (2) along the above-mentioned guide column (3).

2. The anti-interference mold according to claim 1, characterized in that: The upper end surface of the horizontal right angle side (17) is in a straight line with the contact surface of the mold base (2) and the mold forming part (8); the end surface of the horizontal right angle side (17) in contact with the lower cavity (15) is an inclined surface that is retracted into the lower cavity (15); and the upper cavity (4) and the lower cavity (15) in contact with the above inclined surface have an arc transition.

3. The anti-interference mold according to claim 1, characterized in that: The end face of the horizontal right-angled side (17) is a sharp corner (18), and the sharp corner (18) is directly opposite to the contact surface between the mold base (2) and the mold forming part (8).

4. The interference-resistant mold according to claim 2 or 3, characterized in that: The end of the mold forming part (8) is a mold pressing head (11).

5. The anti-interference mold according to claim 4, characterized in that: The positioning groove (13) is parallel to the positioning key (7), and the length of the positioning groove (13) is equal to the length of the horizontal right angle side (17) of the adjustment block (9).

6. The anti-interference mold according to claim 5, characterized in that: The upper spring column (5) is installed from the side of the mold base (2) and fixed above the upper cavity (4).

7. The interference-resistant mold according to claim 5, characterized in that: The lower spring column (10) is installed from the side of the mold forming part (8) and fixed below the lower cavity (15).

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