Mold base with high stability

Abstract

The utility model belongs to the technical field of die blanks, and particularly relates to a high-stability die blank which comprises a base installed on a table top of a punching machine, a lower die connected to the base in a sleeved mode, an upper die installed at the output end of the punching machine, a die core and a guide sleeve, and the die core is arranged in the lower die in a sliding mode and detachably connected with the lower die. The upper die comprises an upper die body and guide pieces, the guide pieces are connected to the edge and the bottom face of the upper die body, the bottoms of the guide pieces are of inclined structures, the inner surfaces of the guide pieces connected to the edge of the upper die body are tangent to the outer surface of the lower die, and the inner surfaces of the guide pieces connected to the bottom face of the upper die body are tangent to the outer surface of the die core. Due to the arrangement of the guide piece, when the upper die and the lower die are in butt joint and combination, the guide piece can further limit the combination of the base, the lower die and the upper die, so that the stability of the combination of the base, the lower die and the upper die is effectively improved, and the forming precision of a workpiece is improved.

Description

Technical Field

[0001] This utility model belongs to the field of mold base technology, and specifically relates to a mold base with high stability. Background Technology

[0002] The mold base is the support for the mold. For example, on a stamping machine, the part that combines and fixes the various parts of the mold according to certain rules and positions, and enables the mold to be installed on the stamping machine or injection molding machine, is called the mold base.

[0003] A tungsten steel extrusion die blank, as disclosed in CN211938453U, includes a base, a first die blank template, an inspection groove, an extrusion die cavity, a die plate, a top plate, a second die blank template, and an extrusion plate. The first die blank template is installed on the top surface of the base, and an inspection groove is formed on the bottom surface of the first die blank template. An extrusion die cavity is formed on the top surface of the first die blank template, and a die plate is provided inside the extrusion die cavity. The second die blank template is installed on the bottom surface of the top plate, and an extrusion plate is provided at the bottom of the second die blank template. This invention allows for easy disassembly and replacement of the die plate in the extrusion die cavity via a first adjusting screw. At the same time, the limiting groove and the limiting post fit together to improve the stability of the die plate after replacement, thereby improving the quality of the extruded product. The second adjusting screw also facilitates the replacement of the extrusion plate by the staff, reducing the replacement cost for enterprises.

[0004] Currently, the templates of the existing mold blanks are all installed and assembled with the base by the insertion and docking of the guide sleeve and the base guide post. However, during the long-term insertion and assembly process, the inner wall of the guide sleeve and the outer wall of the base guide post will wear out. This will cause the templates to become loose, unstable or misaligned after being assembled with the base, which will affect the accuracy of the workpiece.

[0005] Therefore, this utility model provides a mold blank with high stability to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a mold blank with high stability, which aims to solve the problem in the prior art where the inner wall of the guide sleeve and the outer wall of the base guide post are worn due to long-term insertion, resulting in looseness, instability or displacement after the templates and base are assembled, thus affecting the accuracy of the workpiece.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-stability mold blank, comprising a base mounted on a press table, a lower mold sleeved on the base, an upper mold mounted on the output end of the press, a mold core, and a guide sleeve. The mold core is slidably disposed within the lower mold and forms a detachable connection with the lower mold. The upper mold comprises an upper mold body and a guide plate. The guide plate is connected to the edge and bottom surface of the upper mold body. The bottom of the guide plate has an inclined structure. The inner surface of the guide plate connected to the edge of the upper mold body is tangent to the outer surface of the lower mold, and the inner surface of the guide plate connected to the bottom surface of the upper mold body is tangent to the outer surface of the mold core.

[0008] To facilitate the docking and assembly between the templates of the mold blank and the base, the preferred mold blank of this utility model with high stability includes: a base body and guide posts, wherein the guide posts are vertically connected to the four corners of the surface of the base body.

[0009] To facilitate workpiece removal, as a preferred high-stability mold blank of this utility model, the lower mold includes: a lower mold body, a lower mold slide, a cylinder, and a locking block. The lower mold slide is formed inside the lower mold body. The cylinder is installed on one edge surface of the lower mold body. The locking block is fixedly connected to the output end of the cylinder. The mold core includes: a mold core body and a locking groove. The locking groove is formed on one bottom edge surface of the mold core body. The cross-section of the locking groove is "T" shaped, and the locking groove is adapted to the cylinder and the locking block.

[0010] In order to facilitate the installation between the upper die and the output end of the stamping machine, as a preferred high-stability die blank of this utility model, the upper die further includes a mating hole, which is opened on the top of the upper die body.

[0011] As a preferred mold blank with high stability according to this utility model, the lower mold and the upper mold are provided with combination holes at the four corners that are adapted to the position of the guide post. The combination holes are provided with guide sleeves, and the inner wall of the guide sleeves is tangent to the outer wall of the guide post.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. By setting the guide plate, the present invention can further limit the combination of the base, the lower mold and the upper mold when the upper mold and the lower mold are connected and combined, thereby effectively improving the stability of the combination of the base, the lower mold and the upper mold and improving the forming accuracy of the workpiece;

[0014] 2. This utility model, through the cooperation between the lower mold slide, cylinder, and locking block and the mold core, enables the mold core to slide inside the lower mold, thereby facilitating the operator to safely remove the workpiece after stamping inside the mold core. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the present invention after the upper mold is removed;

[0018] Figure 3 This is a schematic diagram of the exploded structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the upper mold structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the mold core and cylinder mounting structure of this utility model.

[0021] In the diagram: 1. Base; 101. Base body; 102. Guide post; 2. Lower mold; 201. Lower mold body; 202. Lower mold slide; 203. Cylinder; 204. Clamping block; 3. Upper mold; 301. Upper mold body; 302. Connecting hole; 303. Guide plate; 4. Mold core; 401. Mold core body; 402. Clamping groove; 5. Guide sleeve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5This utility model provides the following technical solution: a high-stability mold blank, including a base 1 installed on the press table, a lower mold 2 sleeved on the base 1, an upper mold 3 installed on the output end of the press, a mold core 4, and a guide sleeve 5. The mold core 4 is slidably disposed in the lower mold 2 and forms a detachable connection with the lower mold 2. The base 1 includes: a base body 101 and a guide post 102. The guide post 102 is vertically connected to the four corners of the surface of the base body 101. The upper mold 3 includes: an upper mold body 301 and a guide plate 303. The guide plate 303 is connected to the edge and bottom surface of the upper mold body 301. The bottom of the guide plate 303 is an inclined structure. The inner surface of the guide plate 303 connected to the edge of the upper mold body 301 is tangent to the outer surface of the lower mold 2. The inner surface of the guide plate 303 connected to the bottom surface of the upper mold body 301 is tangent to the outer surface of the mold core 4.

[0024] Preferably, the lower mold 2 includes: a lower mold body 201, a lower mold slide 202, a cylinder 203, and a locking block 204. The lower mold slide 202 is formed inside the lower mold body 201. The cylinder 203 is installed on one edge surface of the lower mold body 201. The locking block 204 is fixedly connected to the output end of the cylinder 203. The mold core 4 includes: a mold core body 401 and a locking groove 402. The locking groove 402 is formed on one edge surface at the bottom of the mold core body 401. The cross-section of the locking groove 402 is "T" shaped, and the locking groove 402 is adapted to the cylinder 203 and the locking block 204.

[0025] In practical use, the cylinder 203 is connected to an external air compressor. The operator holds the mold core 4 and aligns the slot 402 at the bottom of the mold core 4 with the output end of the cylinder 203. From top to bottom, the slot 402 at the bottom of the mold core 4 is fitted onto the combination of the output end of the cylinder 203 and the locking block 204, thereby realizing the connection between the mold core 4 and the lower mold 2. When the cylinder 203 extends and retracts, the mold core 4 can slide in the lower mold slide groove 202 in the lower mold 2. Thus, after the stamping is completed, the operator can easily and safely remove the workpiece from the mold core 4.

[0026] Preferably, the upper mold 3 further includes a mating hole 302, which is located on the top of the upper mold body 301.

[0027] In practical use, the inner wall of the mating hole 302 has a threaded structure, which is used to connect with the output end of the stamping machine to realize the installation between the upper mold 3 and the stamping machine. This is an existing mature technology, so it will not be elaborated on here.

[0028] Preferably, the lower mold 2 and the upper mold 3 are provided with combination holes at the four corners that are adapted to the position of the guide post 102. The combination holes are provided with guide sleeves 5, and the inner wall of the guide sleeves 5 is tangent to the outer wall of the guide post 102.

[0029] In practical use, by simultaneously inserting the guide pins 102 on the base 1 into the guide sleeve 5, the lower mold 2, the upper mold 3 and the base 1 can be combined and connected.

[0030] Working principle: First, the lower mold 2 is fitted onto the base 1, and the base 1 is installed on the worktable of the stamping machine. Then, the mold core 4 is installed in the lower mold slide 202 of the lower mold 2, and the mold core 4 is engaged with the cylinder 203. The upper mold 3 is installed on the output end of the stamping machine. Finally, the workpiece material is placed into the mold core 4. Through the operation of the stamping machine, the upper mold 3 and the lower mold 2 are combined for stamping. Under the action of the guide plate 303, the combination of the upper mold 3 and the lower mold 2 is more stable, and there will be no looseness, instability or deviation. After stamping, a high-precision finished workpiece is formed.

[0031] When the part is removed, the upper mold 3 moves upward with the output end of the stamping machine, and the finished workpiece is exposed. By starting the cylinder 203 to retract, the cylinder 203 drives the mold core 4 to slide in the lower mold slide groove 202 and gradually approach the operator, thus making it easier for the operator to remove the workpiece.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-stability die blank, comprising a base (1) mounted on a press table, a lower die (2) sleeved on the base (1), an upper die (3) mounted on the output end of the press, a die core (4), and a guide sleeve (5), characterized in that: The mold core (4) is slidably disposed in the lower mold (2) and is detachably connected to the lower mold (2). The upper mold (3) includes an upper mold body (301) and a guide plate (303). The guide plate (303) is connected to the edge and bottom surface of the upper mold body (301). The bottom of the guide plate (303) is inclined. The inner surface of the guide plate (303) connected to the edge of the upper mold body (301) is tangent to the outer surface of the lower mold (2). The inner surface of the guide plate (303) connected to the bottom surface of the upper mold body (301) is tangent to the outer surface of the mold core (4).

2. The high-stability mold blank according to claim 1, characterized in that: The base (1) includes: a base body (101) and guide posts (102), the guide posts (102) being vertically connected to the four corners of the surface of the base body (101).

3. The high-stability mold blank according to claim 2, characterized in that: The lower mold (2) includes: a lower mold body (201), a lower mold slide (202), a cylinder (203), and a locking block (204). The lower mold slide (202) is opened inside the lower mold body (201). The cylinder (203) is installed on one edge surface of the lower mold body (201). The locking block (204) is fixedly connected to the output end of the cylinder (203).

4. The high-stability mold blank according to claim 3, characterized in that: The upper mold (3) further includes a docking hole (302), which is located on the top of the upper mold body (301).

5. A mold blank with high stability according to claim 4, characterized in that: The mold core (4) includes: a mold core body (401) and a slot (402). The slot (402) is formed on a bottom edge surface of the mold core body (401). The cross-section of the slot (402) is "T" shaped, and the slot (402) is adapted to the cylinder (203) and the block (204).

6. The high-stability mold blank according to claim 5, characterized in that: The lower mold (2) and the upper mold (3) are provided with combination holes at the four corners that are adapted to the position of the guide post (102), and the combination holes are provided with guide sleeves (5).

7. A mold blank with high stability according to claim 6, characterized in that: The inner wall of the guide sleeve (5) is tangent to the outer wall of the guide post (102).

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