Lateral pressure shaping die

Abstract

The utility model discloses a side pressure shaping die, and relates to the technical field of dies. The die comprises an upper die holder, a lower die holder, an inner die mechanism and an outer die mechanism, a group of outer guide plates are fixed on the front side and the rear side of the top of the lower die holder, upper guide edges are fixed on the tops of the outer guide plates, limiting seats are fixed on the left side and the right side of the top of the lower die holder, and anti-collision points are arranged at the bottoms of the inner sides of the limiting seats; the fixed die is fixed to the top face of the lower die base. According to the utility model, the slidable outer die body is used as an outer die mechanism and can be used for shaping a product main body from outside to inside, the fixed die and the lifting die are designed as an inner die mechanism and can slide relatively, and the lifting die can move for a certain distance in the horizontal direction and can be used for stamping and expanding the product main body from inside to outside; the stamping die is suitable for stamping special-shaped products, stamping efficiency, stamping effect and stamping precision can be improved, and therefore product quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, in particular to a side pressure shaping mold. Background Art

[0002] For the shaping of special-shaped products, the top-down stamping method will not be applicable. For example, the combination product of a cylindrical main body and a half-end tube structure needs to be shaped by side pressure. However, it is necessary to equip a mold structure with multiple directions to achieve integrated stamping of various component areas, which will take up a large space and affect the mold production cost. Summary of the Invention

[0003] The purpose of the utility model is to provide a side pressure shaping mold, which uses a slidable outer mold body as an outer mold mechanism to shape the product body from the outside to the inside, and uses a fixed mold and a lifting mold as an inner mold mechanism. The two can slide relative to each other, and the lifting mold can be displaced a certain distance in the horizontal direction, and can stamp and expand the product body from the inside to the outside. It is suitable for stamping special-shaped products, can improve stamping efficiency, stamping effect and precision, and thus improve product quality.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The utility model is a side pressure shaping die, comprising an upper die base, a lower die base, an inner die mechanism and an outer die mechanism;

[0006] A set of outer guide plates are fixed on the front and rear sides of the top of the lower die base, an upper guide edge is fixed on the top of the outer guide plates, and limit seats are fixed on the left and right sides of the top of the lower die base, and an anti-collision point is provided on the bottom inner side of the limit seat;

[0007] The inner mold mechanism consists of a fixed mold and a lifting mold. The fixed mold is fixed on the top surface of the lower mold base. The front side of the fixed mold is provided with an end tube forming punch, and the rear side of the fixed mold is provided with an inner inclined surface inclined upward.

[0008] The front side of the lifting mold is provided with an outer inclined surface that slides with the inner inclined surface, the inner inclined surface is provided with a dovetail groove, and the outer inclined surface is provided with a sliding edge that slides with the dovetail groove;

[0009] A plurality of vertical nitrogen springs are fixed on the lower die base and located directly below the lifting die, and the telescopic ends of the vertical nitrogen springs are in contact with the bottom surface of the lifting die;

[0010] The outer mold mechanism includes a set of outer mold bodies and a set of upper pressing molds, the two outer mold bodies are symmetrically arranged on the left and right sides of the inner mold mechanism, the ends of the outer mold bodies are slidably arranged between the lower mold base, the upper guide edge and the outer guide plate, and a transverse nitrogen spring parallel to the outer guide plate is fixed between the bottom of the outer mold body and the lower mold base;

[0011] The outer side of the outer die body is provided with a lower guide slope surface, a group of upper die blocks are fixed on both sides of the bottom surface of the upper die base, and the bottom surface of the upper die is provided with an upper guide slope surface which is opposite to the lower guide slope surface and has the same slope;

[0012] A group of cushion columns opposite to the lifting die are fixed on the bottom surface of the upper die base, a middle cavity die opposite to the end tube forming punch is provided on the bottom surface of the upper die base, an outer forming area is provided inside the outer die body, and a side cavity die is provided on the bottom surface of the front end of the outer forming area;

[0013] A main body forming cavity is formed between the outer forming area and the inner mold mechanism, and an end tube forming cavity is formed between the middle cavity mold, the two side cavity molds and the end tube forming convex mold.

[0014] Furthermore, it also includes an ejection mechanism, which includes an ejection cylinder, which is fixed in the lower mold base, and a Y-shaped support plate is fixed to the output end of the ejection cylinder, and ejection rods are fixed at the three corners of the Y-shaped support plate. A through-hole is provided on the end tube forming punch, and one of the ejection rods passes through the through-hole, and the other two ejection rods pass through the lower mold base and are close to the rear edge of the lifting mold.

[0015] Furthermore, guide pillars are fixed at the four corners of the upper die base, and a guide sleeve that slides with the guide pillars is fixed at the top of the lower die base.

[0016] Furthermore, the bottom surface of the lower die base is fixed with a lower seat plate through a plurality of support plates, the ejection cylinder is fixed on the top surface of the lower seat plate, and the Y-shaped support plate and a plurality of vertical nitrogen springs are located between the lower die base and the lower seat plate.

[0017] Furthermore, upper positioning columns are fixed to the bottom surfaces of the four corners of the upper die base, and lower positioning columns concentric with the upper positioning columns are fixed to the top surface of the lower die base.

[0018] Furthermore, first wear-resistant plates sliding along the outer guide plate are provided on both sides of the outer mold body, and second wear-resistant plates are fixed on both the upper guide slope surface and the lower guide slope surface.

[0019] Furthermore, a plurality of lower wear-resistant plates are fixed to the upper surface of the lower die base, and the bottom surface of the outer die body slides along the top surfaces of the lower wear-resistant plates.

[0020] Furthermore, a limiting groove is provided in the dovetail groove, and a positioning protrusion that slides with the limiting groove is provided on the sliding edge.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model uses a slidable outer mold body as an outer mold mechanism, which can shape the product body from the outside to the inside. The fixed mold and the lifting mold are designed as the inner mold mechanism. The two can slide relative to each other. The lifting mold can be displaced a certain distance in the horizontal direction, and the product body can be stamped and expanded from the inside to the outside. It is suitable for stamping special-shaped products, and can improve stamping efficiency, stamping effect and precision, thereby improving product quality.

[0023] 2. The utility model realizes displacement by relative sliding of inclined surfaces as translation drive of the mold, does not require separate power, and realizes overall stamping following the stamping of the upper mold base, reduces the use of driving parts, and has the advantages of energy saving, small space occupation and low production cost.

[0024] 3. The utility model designs a fixed mold and a lifting mold as the inner mold mechanism. After the lifting mold is lowered, stable side stamping can be performed, which can improve the stamping effect and accuracy. At the same time, after the lifting mold is raised, it can provide a larger operating space for product loading, which is beneficial to the operation of the staff and convenient for subsequent product demoulding.

[0025] 4. The utility model adopts the design of the ejection mechanism, which can be ejected synchronously from three points of the product. The three points are distributed in a triangle, which can stably eject the product, facilitate demoulding and reduce the damage of the product during demoulding, thereby improving processing efficiency and ensuring product quality.

[0026] 5. The utility model can improve the sliding smoothness by arranging wear-resistant plates between each sliding surface, and at the same time can reduce the precision loss caused by friction, thereby increasing the service life of the mold, facilitating maintenance and repair, and reducing maintenance costs.

[0027] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 This is a structural diagram of the lower die base, fixed die, lifting die and outer die body of the utility model;

[0030] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0031] Figure 3This is a structural diagram of the lower die base, fixed die and lifting die of the utility model;

[0032] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0033] Figure 5 Schematic diagram of the structure of the outer model;

[0034] Figure 6 It is a structural diagram of the lifting mold;

[0035] Figure 7 It is a structural diagram of the upper die base, upper pressure die and middle cavity die;

[0036] Figure 8 It is a structural diagram of the ejection mechanism and the vertical nitrogen spring;

[0037] Figure 9 This is a schematic diagram of the structure of the utility model after overall assembly;

[0038] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0039] 1-upper die base, 2-lower die base, 3-fixed die, 4-lifting die, 5-outer die body, 6-upper pressure die, 7-middle cavity die, 8-ejection mechanism, 101-cushion column, 102-guide column, 103-upper positioning column, 201-outer guide plate, 202-upper guide edge, 203-limit seat, 204-anti-collision point, 205-horizontal nitrogen spring, 206-guide sleeve, 207-support plate, 208-lower seat plate, 209-lower positioning column, 210-lower endurance Grinding plate, 301-end tube forming punch, 302-inner bevel, 303-dovetail groove, 304-limiting groove, 401-outer bevel, 402-sliding edge, 403-vertical nitrogen spring, 404-positioning bump, 501-lower guide slope, 502-outer forming area, 503-side cavity mold, 504-first wear-resistant plate, 505-second wear-resistant plate, 601-upper guide slope, 801-ejection cylinder, 802-Y-shaped support plate, 803-ejection rod. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] See also Figure 1-9As shown, the utility model is a side pressure shaping die, comprising an upper die base 1, a lower die base 2, an inner die mechanism and an outer die mechanism;

[0042] A set of outer guide plates 201 are fixed on the front and rear sides of the top of the lower die base 2. An upper guide edge 202 is fixed on the top of the outer guide plate 201. A limit seat 203 is fixed on the left and right sides of the top of the lower die base 2. An anti-collision point 204 is provided on the bottom inner side of the limit seat 203.

[0043] The inner mold mechanism consists of a fixed mold 3 and a lifting mold 4. The fixed mold 3 is fixed to the top surface of the lower mold base 2. The front side of the fixed mold 3 is provided with an end tube forming punch 301, and the rear side of the fixed mold 3 is provided with an upwardly inclined inner bevel 302.

[0044] The front side of the lifting mold 4 is provided with an outer inclined surface 401 that slides with the inner inclined surface 302, the inner inclined surface 302 is provided with a dovetail groove 303, and the outer inclined surface 401 is provided with a sliding edge 402 that slides with the dovetail groove 303;

[0045] A plurality of vertical nitrogen springs 403 are fixed on the lower die base 2 and located directly below the lifting die 4. The telescopic ends of the vertical nitrogen springs 403 are in contact with the bottom surface of the lifting die 4.

[0046] The outer mold mechanism includes a set of outer mold bodies 5 and a set of upper pressing molds 6. The two outer mold bodies 5 are symmetrically arranged on the left and right sides of the inner mold mechanism. The ends of the outer mold bodies 5 are slidably arranged between the lower mold base 2, the upper guide edge 202 and the outer guide plate 201. A transverse nitrogen spring 205 is fixed between the bottom of the outer mold body 5 and the lower mold base 2 and is distributed parallel to the outer guide plate 201.

[0047] The outer side of the outer mold body 5 is provided with a lower guide slope 501, and a set of upper pressing molds 6 are fixed on both sides of the bottom surface of the upper mold base 1. The bottom surface of the upper pressing mold 6 is provided with an upper guide slope 601 which is opposite to the lower guide slope 501 and has the same slope.

[0048] A set of cushion columns 101 opposite to the lifting die 4 are fixed to the bottom surface of the upper die base 1. A middle cavity die 7 opposite to the end tube forming punch 301 is provided on the bottom surface of the upper die base 1. An outer forming area 502 is provided on the inner side of the outer die body 5. A side cavity die 503 is integrally provided on the bottom surface of the front end of the outer forming area 502.

[0049] A main body molding cavity is formed between the outer molding area 502 and the inner mold mechanism, and an end tube molding cavity is formed between the middle cavity mold 7, the two side cavity molds 503 and the end tube molding punch 301.

[0050] Among them Figure 2 、 Figure 4 and Figure 8As shown, it also includes an ejection mechanism 8, which includes an ejection cylinder 801. The ejection cylinder 801 is fixed in the lower mold base 2. A Y-shaped support plate 802 is fixed to the output end of the ejection cylinder 801. Ejection rods 803 are fixed at the three corners of the Y-shaped support plate 802. A through hole is provided on the end tube forming punch 301. One ejection rod 803 passes through the through hole, and the other two ejection rods 803 pass through the lower mold base 2 and are close to the rear edge of the lifting mold 4.

[0051] Among them Figure 1 、 Figure 3 and Figure 9 As shown, guide pillars 102 are fixed at the four corners of the upper die base 1, and a guide sleeve 206 that slides with the guide pillars 102 is fixed on the top of the lower die base 2.

[0052] Among them Figure 1 、 Figure 3 and Figure 9 As shown, the bottom surface of the lower die base 2 is fixed with a lower base plate 208 through several support plates 207, the ejection cylinder 801 is fixed on the top surface of the lower base plate 208, and the Y-shaped support plate 802 and several vertical nitrogen springs 403 are all located between the lower die base 2 and the lower base plate 208.

[0053] Among them Figure 1 、 Figure 3 and Figure 9 As shown, upper positioning columns 103 are fixed to the bottom surfaces of the four corners of the upper mold base 1, and lower positioning columns 209 concentric with the upper positioning columns 103 are fixed to the top surface of the lower mold base 2.

[0054] Among them Figure 5 and Figure 7 As shown, first wear-resistant plates 504 sliding along the outer guide plate 201 are provided on both sides of the outer mold body 5 , and second wear-resistant plates 505 are fixed on both the upper guide slope 601 and the lower guide slope 501 .

[0055] Among them Figure 3-4 As shown, a plurality of lower wear-resistant plates 210 are fixed to the upper surface of the lower die base 2 , and the bottom surface of the outer die body 5 slides along the top surface of the lower wear-resistant plates 210 .

[0056] Among them Figure 3-4 and Figure 6 As shown, a limiting groove 304 is provided in the dovetail groove 303 , and a positioning protrusion 404 that slides with the limiting groove 304 is provided on the sliding edge 402 .

[0057] The working principle of the utility model is as follows: the relative movement between the upper die base 1 and the lower die base 2 drives the upper die 6 to move downward until the upper guide slope 601 contacts the lower guide slope 501. Continuing to descend can synchronously drive the two outer die bodies 5 to move relative to each other along the outer guide plate 201, so that the product can be shaped from the side. After the upper die base 1 and the lower die base 2 are reset, the elastic force of the transverse nitrogen spring 205 can drive the outer die body 5 to reset.

[0058] At the same time, when the upper die base 1 and the lower die base 2 move relative to each other, the pad column 101 can press the lifting die 4, and the lifting die 4 expands outward as it descends through the cooperation of the outer inclined surface 401 and the inner inclined surface 302. After the lifting die 4 is in place, the product can be shaped from the side. After the upper die base 1 and the lower die base 2 are reset, the elastic force of the vertical nitrogen spring 403 can drive the lifting die 4 to rise and reset;

[0059] When the product is stamped and reset, the ejection cylinder 801 can drive the three ejection rods 803 to move upward synchronously, and the product is pushed out of the fixed mold 3 from three directions synchronously, thereby achieving stable demoulding of the product.

[0060] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0061] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A side pressure shaping die, comprising an upper die base (1) and a lower die base (2), characterized in that: It also includes an inner mold mechanism and an outer mold mechanism; A set of outer guide plates (201) are fixed to the front and rear sides of the top of the lower die base (2), an upper guide edge (202) is fixed to the top of the outer guide plate (201), and a limit seat (203) is fixed to the left and right sides of the top of the lower die base (2), and an anti-collision point (204) is provided at the bottom inside the limit seat (203); The inner mold mechanism is composed of a fixed mold (3) and a lifting mold (4); the fixed mold (3) is fixed on the top surface of the lower mold base (2); the front side of the fixed mold (3) is provided with an end tube forming punch (301); the rear side of the fixed mold (3) is provided with an inner inclined surface (302) inclined upward; The front side of the lifting mold (4) is provided with an outer inclined surface (401) that slides with the inner inclined surface (302), the inner inclined surface (302) is provided with a dovetail groove (303), and the outer inclined surface (401) is provided with a sliding edge (402) that slides with the dovetail groove (303); A plurality of vertical nitrogen springs (403) are fixed on the lower die base (2) and located directly below the lifting die (4), and the telescopic ends of the vertical nitrogen springs (403) are in contact with the bottom surface of the lifting die (4); The outer mold mechanism comprises a group of outer mold bodies (5) and a group of upper pressing molds (6), the two outer mold bodies (5) are symmetrically arranged on the left and right sides of the inner mold mechanism, the ends of the outer mold bodies (5) are slidably arranged between the lower mold base (2), the upper guide edge (202) and the outer guide plate (201), and a transverse nitrogen spring (205) parallel to the outer guide plate (201) is fixed between the bottom of the outer mold body (5) and the lower mold base (2); The outer side of the outer mold body (5) is provided with a lower guide slope surface (501), and a group of upper pressing molds (6) are fixed on both sides of the bottom surface of the upper mold base (1). The bottom surface of the upper pressing mold (6) is provided with an upper guide slope surface (601) that is opposite to the lower guide slope surface (501) and has the same slope; A group of cushion columns (101) opposite to the lifting die (4) are fixed on the bottom surface of the upper die base (1), a middle cavity die (7) opposite to the end tube forming punch (301) is provided on the bottom surface of the upper die base (1), an outer forming area (502) is provided on the inner side of the outer die body (5), and a side cavity die (503) is integrally provided on the bottom surface of the front end of the outer forming area (502); A main body molding cavity is formed between the outer molding area (502) and the inner mold mechanism, and an end tube molding cavity is formed between the middle cavity mold (7), the two side cavity molds (503) and the end tube molding convex mold (301).

2. A side pressure shaping die according to claim 1, characterized in that: The present invention also includes an ejection mechanism (8), wherein the ejection mechanism (8) includes an ejection cylinder (801), the ejection cylinder (801) is fixed in the lower die base (2), a Y-shaped support plate (802) is fixed to the output end of the ejection cylinder (801), and ejection rods (803) are fixed at the three corners of the Y-shaped support plate (802), and a through-hole is provided on the end tube forming punch (301), one of the ejection rods (803) passes through the through-hole, and the other two ejection rods (803) pass through the lower die base (2) and are close to the rear edge of the lifting die (4).

3. A side pressure shaping die according to claim 1, characterized in that: Guide pillars (102) are fixed at the four corners of the upper die base (1), and a guide sleeve (206) that is slidably matched with the guide pillars (102) is fixed at the top of the lower die base (2).

4. A side pressure shaping die according to claim 2, characterized in that: The bottom surface of the lower die base (2) is fixed with a lower seat plate (208) via a plurality of support plates (207), the ejection cylinder (801) is fixed on the top surface of the lower seat plate (208), and the Y-shaped support plate (802) and a plurality of vertical nitrogen springs (403) are located between the lower die base (2) and the lower seat plate (208).

5. The side pressure shaping die according to claim 1, characterized in that: Upper positioning columns (103) are fixed to the bottom surfaces of the four corners of the upper die base (1), and lower positioning columns (209) concentric with the upper positioning columns (103) are fixed to the top surface of the lower die base (2).

6. The side pressure shaping die according to claim 1, characterized in that: Both sides of the outer mold body (5) are provided with first wear-resistant plates (504) that slide along the outer guide plate (201), and second wear-resistant plates (505) are fixed on both the upper guide slope surface (601) and the lower guide slope surface (501).

7. The side pressure shaping die according to claim 1, characterized in that: A plurality of lower wear-resistant plates (210) are fixed to the upper surface of the lower die base (2), and the bottom surface of the outer die body (5) slides along the top surfaces of the lower wear-resistant plates (210).

8. The side pressure shaping die according to claim 1, characterized in that: A limiting groove (304) is provided in the dovetail groove (303), and a positioning protrusion (404) that slidably cooperates with the limiting groove (304) is provided on the sliding edge (402).

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