Hot stamping die with high positioning precision

Abstract

The utility model provides a hot stamping die with high positioning precision, and belongs to the technical field of stamping dies. The die comprises an upper die plate, a lower die plate, an upper pressing die, a lower pressing die and a positioning pin, a mounting column is formed in the upper die plate, an upper mounting hole is formed in the mounting column, a lower mounting hole is formed in the lower die plate, the positioning pin is fixed in the upper mounting hole and the lower mounting hole in a penetrating mode, and an upper mounting cavity and a lower mounting cavity are formed in the upper die plate and the lower die plate respectively. An upper positioning plate and a lower positioning plate are fixedly mounted in the upper mounting cavity and the lower mounting cavity respectively, an upper connecting hole and a lower connecting hole are formed in the upper positioning plate and the lower positioning plate respectively, the upper pressing die and the lower pressing die are fixedly connected with the upper positioning plate and the lower positioning plate respectively, and an upper mounting block and a lower mounting block are fixed to one side of the upper mounting cavity and one side of the lower mounting cavity respectively. An upper side limiting block and a lower side limiting block are arranged on the two sides of the upper mounting block and the two sides of the lower mounting block correspondingly. The positioning device has the advantage of being high in positioning accuracy.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stamping die technical field relates to a kind of hot stamping die with high positioning accuracy. BACKGROUND

[0002] In the design of hot stamping die, factors such as heat transfer and thermal deformation are fully considered, and through optimization of die structure and cooling system, accurate control and rapid cooling of the blank at high temperature are realized to obtain high-strength and high-precision stamping parts.

[0003] Chinese patent with patent publication number CN204182791U discloses a kind of hot stamping die, including upper die plate and lower die plate, the lower surface of upper die plate is provided with female die module group, the upper surface of lower die plate is provided with male die module group, female die module group includes the female die heating insert piece, female die transition insert piece and female die cooling insert piece sequentially connected along the length direction of upper die plate, heating component is arranged in female die heating insert piece, cooling water interface is arranged in female die cooling insert piece;Male die module group includes the male die heating insert piece, male die transition insert piece and male die cooling insert piece sequentially connected along the length direction of lower die plate, heating component is arranged in male die heating insert piece, cooling water interface is arranged in male die cooling insert piece, the upper surface of lower die plate is fixed with guide plate, guide plate is provided with guide slot;The lower surface of upper die plate is fixed with guide block, guide block can be inserted into the guide slot.

[0004] In the hot stamping die provided by the patent, positioning and guiding are only carried out by the guide blocks and guide plates on both sides, so there is still room for improvement in positioning accuracy. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems existing in prior art, and provides a kind of hot stamping die with high positioning accuracy.

[0006] The purpose of the utility model can be realized by the following technical scheme: a kind of hot stamping die with high positioning accuracy, including upper die plate, lower die plate, upper die, lower die and positioning pin, the installation column is formed in the upper die plate, the upper installation hole is opened in the installation column, the lower installation hole is opened in the lower die plate, the positioning pin is fixed in the upper installation hole and the lower installation hole, the upper installation cavity and the lower installation cavity are opened in the upper die plate and the lower die plate respectively, the upper positioning plate and the lower positioning plate are fixedly installed in the upper installation cavity and the lower installation cavity respectively, the upper connection hole and the lower connection hole are opened in the upper positioning plate and the lower positioning plate respectively, the upper die and the lower die are fixedly connected with the upper positioning plate and the lower positioning plate respectively, the upper installation block and the lower installation block are fixed on one side of the upper installation cavity and the lower installation cavity respectively, the upper side limit block and the lower side limit block are respectively arranged on the two sides of the upper installation block and the lower installation block, and the upper side limit block and the lower side limit block are respectively attached to one side of the upper die and the lower die.

[0007] In the hot stamping die with high positioning accuracy, upper and lower fixing grooves are arranged on one side of the upper mounting cavity and the lower mounting cavity respectively, side position fastening bolts are arranged in the upper side position limiting block and the lower side position limiting block, and the side position fastening bolts are fixed with the upper fixing groove and the lower fixing groove respectively.

[0008] In the hot stamping die with high positioning accuracy, upper and lower front position grooves are arranged on the front side of the upper mounting cavity and the lower mounting cavity respectively, and upper and lower front position limiting blocks are fixed in the upper front position groove and the lower front position groove respectively.

[0009] In the hot stamping die with high positioning accuracy, front position fastening bolts are arranged in the upper front position limiting block and the lower front position limiting block, and the front position fastening bolts are fixedly connected with the upper front position groove and the lower front position groove respectively.

[0010] In the hot stamping die with high positioning accuracy, a plurality of connecting columns are fixedly connected to the two sides of the upper die plate and the lower die plate.

[0011] Compared with the prior art, the hot stamping die with high positioning accuracy has the following beneficial effects: 1. By arranging the mounting column and the upper mounting hole in the upper die plate, arranging the lower mounting hole in the lower die plate, and arranging the positioning pin in the upper mounting hole and the lower mounting hole, the synchronous positioning of the upper die plate and the lower die plate is beneficially achieved; 2. By arranging the upper side position limiting block and the lower side position limiting block and the upper front position limiting block and the lower front position limiting block, the upper die plate and the lower die plate are limited, and the positioning accuracy of the hot stamping die is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 is a schematic diagram of the overall structure of the utility model;

[0014] Figure 3 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 4 is a schematic diagram of the overall structure of the utility model;

[0016] Figure 5 is a schematic diagram of the overall structure of the utility model.

[0017] In the diagram: 1. Upper template; 110. Mounting column; 120. Upper mounting hole; 130. Upper mounting cavity; 140. Upper fixing groove; 150. Upper front groove; 2. Lower template; 210. Lower mounting hole; 220. Lower mounting cavity; 230. Lower fixing groove; 240. Lower front groove; 3. Upper mold; 4. Lower mold; 5. Positioning pin; 6. Upper positioning plate; 61. Upper connecting hole; 7. Lower positioning plate; 71. Lower connecting hole; 8. Upper mounting block; 9. Lower mounting block; 10. Upper side limiting block; 11. Lower side limiting block; 12. Side fastening bolt; 13. Upper front limiting block; 14. Lower front limiting block; 15. Front fastening bolt; 16. Connecting column. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figures 1 to 5 As shown, this embodiment includes an upper template 1, a lower template 2, an upper pressing mold 3, a lower pressing mold 4, and a positioning pin 5. Both the upper template 1 and the lower template 2 are rectangular structures. Two mounting posts 110 are formed in the upper template 1, and an upper mounting hole 120 is opened in the mounting post 110. A lower mounting hole 210 is opened in the lower template 2. The positioning pin 5 is inserted and fixed in the upper mounting hole 120 and the lower mounting hole 210. A rectangular upper mounting cavity 130 and a rectangular lower mounting cavity 220 are respectively opened in the center of the upper template 1 and the lower template 2. The upper template 1 has a rectangular upper mounting cavity 130 in its center.

[0020] like Figures 2 to 3 As shown, the upper positioning plate 6 is fixedly installed in the upper mounting cavity 130. The upper positioning plate 6 has several upper connecting holes 61. The upper mold 3 is fixedly connected to the upper positioning plate 6 through the upper connecting holes 61. An upper mounting block 8 is provided on each side of the upper mounting cavity 130. One of the upper mounting blocks 8 has an upper fixing groove 140 on one side. A side fastening bolt 12 passes through the upper side limiting block 10. The side fastening bolt 12 extends into the upper fixing groove 140, causing the upper side limiting block 10 to engage with the upper template 1. In the fixed connection, during assembly, the upper side limiting block 10 fits against the side of the upper mold 3. The upper mounting cavity 130 has an upper front groove 150 on the front side. Three upper front limiting blocks 13 are fixed in the upper front groove 150. Each upper front limiting block 13 is fitted with a front fastening bolt 15. The front fastening bolt 15 extends into the upper front groove 150 to fix the upper front limiting block 13 to the upper template 1. During assembly, the upper front limiting block 13 fits against the front side of the upper mold 3.

[0021] like Figures 4 to 5As shown, the lower mold plate 2 is centrally provided with a rectangular lower mounting cavity 220, and the lower positioning plate 7 is fixedly installed in the lower mounting cavity 220, and a plurality of lower connecting holes 71 are formed in the lower positioning plate 7, and the lower pressing mold 4 is fixedly connected with the lower positioning plate 7 through the lower connecting holes 71, and each of the two sides of the lower mounting cavity 220 is provided with a lower mounting block 9, one side of one of the lower mounting blocks 9 is provided with a lower fixing groove 230, and the side position limiting block 11 is provided with a side position fastening bolt 12, the side position fastening bolt 12 extends into the lower fixing groove 230 to fixedly connect the lower side position limiting block 11 with the lower mold plate 2, and in assembly, the lower side position limiting block 11 is attached to the side surface of the lower pressing mold 4, and the front side of the lower mounting cavity 220 is provided with a lower front position groove 240, and three lower front position limiting blocks 14 are fixedly arranged in the lower front position groove 240, and each of the lower front position limiting blocks 14 is provided with a front position fastening bolt 15, and the front position fastening bolt 15 extends into the lower front position groove 240 to fixedly connect the lower front position limiting block 14 with the lower mold plate 2, and in assembly, the lower front position limiting block 14 is attached to the front side surface of the lower pressing mold 4.

[0022] Further details, such as Figure 1 As shown, the upper mold plate 1 and the lower mold plate 2 are fixedly connected with four connecting columns 16 on the two sides, and each two connecting columns 16 are installed on one side of the upper mold plate 1 and the lower mold plate 2.

[0023] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0024] Although various terms are used frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A hot stamping die with high positioning accuracy, comprising an upper template (1), a lower template (2), an upper die (3), a lower die (4), and a positioning pin (5), characterized in that: An mounting post (110) is formed in the upper template (1), and an upper mounting hole (120) is provided in the mounting post (110). A lower mounting hole (210) is provided in the lower template (2). A positioning pin (5) is fixedly inserted in the upper mounting hole (120) and the lower mounting hole (210). An upper mounting cavity (130) and a lower mounting cavity (220) are respectively provided in the upper template (1) and the lower template (2). An upper positioning plate (6) and a lower positioning plate (7) are respectively fixedly installed in the upper mounting cavity (130) and the lower mounting cavity (220). The plate (7) is provided with an upper connecting hole (61) and a lower connecting hole (71). The upper mold (3) and the lower mold (4) are fixedly connected to the upper positioning plate (6) and the lower positioning plate (7) respectively. An upper mounting block (8) and a lower mounting block (9) are fixed on one side of the upper mounting cavity (130) and the lower mounting cavity (220) respectively. An upper side limit block (10) and a lower side limit block (11) are provided on both sides of the upper mounting block (8) and the lower mounting block (9) respectively. The upper side limit block (10) and the lower side limit block (11) are respectively attached to one side of the upper mold (3) and the lower mold (4).

2. The hot stamping die with high positioning accuracy according to claim 1, characterized in that: The upper mounting cavity (130) and the lower mounting cavity (220) are respectively provided with an upper fixing groove (140) and a lower fixing groove (230) on one side. The upper side limiting block (10) and the lower side limiting block (11) are each provided with a side fastening bolt (12), and the side fastening bolt (12) is fixed to the upper fixing groove (140) and the lower fixing groove (230) respectively.

3. The hot stamping die with high positioning accuracy according to claim 1, characterized in that: The upper mounting cavity (130) and the lower mounting cavity (220) are respectively provided with an upper front groove (150) and a lower front groove (240) on their front sides. An upper front limiting block (13) and a lower front limiting block (14) are respectively fixed in the upper front groove (150) and the lower front groove (240).

4. A hot stamping die with high positioning accuracy according to claim 3, characterized in that: Both the upper front limiting block (13) and the lower front limiting block (14) are provided with front fastening bolts (15), which are fixedly connected to the upper front groove (150) and the lower front groove (240) respectively.

5. A hot stamping die with high positioning accuracy according to claim 1, characterized in that: Several connecting columns (16) are fixedly connected to both sides of the upper template (1) and the lower template (2).

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