High-dimensional-precision mold

Abstract

According to the technical scheme, the high-dimensional-precision mold comprises a lower mold body and limiting stoppers, sliding columns are installed at the four corners of the top of the lower mold body respectively, an upper mold body is connected to the outer surfaces of the sliding columns in a sleeved mode, a top mold body is installed at the top of the upper mold body, and the limiting stoppers are installed at the positions, located on the outer surfaces of the sliding columns, in the upper mold body. A steel ball is installed on the inner surface of the limiting stopper through a steel ball groove, an oil groove is formed in the side, close to the steel ball, of the interior of the limiting stopper, an oil storage groove is formed in the top in the limiting stopper, sponge is installed in the oil storage groove, a pressing plate is installed at the top in the oil storage groove, and an extrusion column is installed at the position, located at the top of the limiting stopper, of the top of the pressing plate. The high-dimensional-precision die solves the problems that in the repeated production and use of an existing production die, a die sliding column is extremely prone to abrasion, a die gap is increased, and the dimensional precision of a finished product is affected, the abrasion probability of the die is reduced, and therefore the dimensional precision of the finished product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold production, in particular to a high-dimensional precision mold. Background Art

[0002] A mold is a tool or device used to manufacture a product. It can be made of metal, plastic, rubber and other materials with a specific shape and size, and is used to give the product the desired shape and structure. The design and manufacture of the mold needs to consider factors such as the shape, size, material properties and manufacturing process of the product. Mold manufacturing is usually a complex process involving the use of computer-aided design software, material selection, processing technology and other aspects of technology and knowledge. The quality and precision of the mold have a significant impact on the quality and cost of the final product.

[0003] The existing production molds are very easy to wear out during repeated production use, resulting in an increase in the mold gap, which in turn affects the dimensional accuracy of the finished product. For this reason, we propose a high dimensional accuracy mold, which reduces the wear probability of the mold and thus improves the dimensional accuracy of the finished product. Utility Model Content

[0004] The purpose of the utility model is to provide a high dimensional accuracy mold, so as to achieve the effect of efficient lubrication of the sliding mechanism of the mold, so as to solve the problem that the mold slide column of the existing production mold is very easy to wear during multiple production uses, resulting in an increase in the mold gap, thereby affecting the dimensional accuracy of the finished product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high dimensional precision mold, comprising a lower mold and a limiter, wherein sliding columns are installed at the four corner positions of the top of the lower mold, the outer surface of the sliding column is sleeved with the upper mold, the top mold is installed on the top of the upper mold, and the limiter is installed on the outer surface of the sliding column inside the upper mold, a steel ball is installed on the inner surface of the limiter through a steel ball groove, an oil groove is provided on the side of the limiter close to the steel ball, an oil storage tank is provided on the top of the limiter, and a sponge is installed inside the oil storage tank.

[0006] Preferably, a pressure plate is installed at the top of the oil storage tank, a squeeze column is installed at the top of the pressure plate located at the top of the limiter, and a return spring is installed on the outer surface of the squeeze column located at the top of the limiter through a spring seat.

[0007] Preferably, a sliding groove is provided on the outer surface of the sliding column at the position of the steel ball, and the steel ball is clamped in the sliding groove.

[0008] Preferably, a spring B is installed on the outer surface of the sliding column located at the top of the upper mold, and a spring A is installed on the outer surface of the sliding column located at the bottom of the upper mold.

[0009] Preferably, a clamping groove is provided in the middle of the top of the lower mold, and an inner mold is installed inside the clamping groove.

[0010] Preferably, the lower die is provided with limit grooves on both sides of the clamping groove, and lockers are installed on both sides of the lower die. The lower die and the lockers are screwed together by threads.

[0011] Preferably, a punching die is installed in the middle of the bottom of the upper mold, and a limiting column is installed in the middle of the bottom of the top mold.

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

[0013] 1. The utility model achieves the effect of efficient lubrication of the sliding mechanism of the mold by arranging a limiter, an oil storage tank, a steel ball and an oil tank. A limiter is arranged on the outer surface of the sliding column inside the upper mold, a steel ball is arranged on the inner surface of the limiter through a steel ball groove, an oil tank is arranged on the side close to the steel ball inside the limiter, an oil storage tank is arranged on the top of the limiter, and a sponge is arranged inside the oil storage tank to solve the problem that the mold sliding column of the existing production mold is very easy to wear during multiple production uses, resulting in an increase in the mold gap, which affects the dimensional accuracy of the finished product, reduces the wear probability of the mold, and thus improves the dimensional accuracy of the finished product.

[0014] 2. The utility model achieves the effect of automatic lubrication of the steel ball by arranging an extrusion column, a pressure plate and a return spring. A pressure plate is arranged on the top of the oil storage tank, an extrusion column is arranged on the top of the pressure plate at the top of the limiter, and a return spring is arranged on the outer surface of the extrusion column at the top of the limiter through a spring seat to solve the problem that the existing mold lubrication mechanism needs to manually apply lubricating oil, the mold lubrication is relatively cumbersome, and the production efficiency of the product is affected, the lubrication efficiency of the mold is improved, and thus the production efficiency of the product is improved.

[0015] 3. The utility model achieves the effect of facilitating the maintenance of the production mold by arranging a clamping groove, an inner mold and a locker. A clamping groove is arranged in the middle of the top of the lower mold, an inner mold is arranged inside the clamping groove, limit grooves are arranged on both sides of the clamping groove inside the lower mold, and lockers are arranged on both sides of the lower mold to solve the problem that the molding position of the existing production mold is easily worn after multiple productions, and the overall replacement is required, which has a high use cost. The maintenance cost of the production mold is reduced, thereby improving the economy of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 for Figure 1 The enlarged structural diagram of A;

[0018] Figure 3It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of B.

[0020] Figure numerals: 1. lower die; 2. sliding column; 3. top die; 4. upper die; 5. spring A; 6. locking device; 7. limit groove; 8. inner die; 9. clamping groove; 10. limit column; 11. punch die; 12. limiter; 13. oil tank; 14. steel ball; 15. steel ball groove; 16. sliding groove; 17. oil storage tank; 18. pressure plate; 19. extrusion column; 20. spring B; 21. return spring; 22. sponge. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1-3 As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high dimensional precision mold, including a lower mold 1 and a limiter 12, sliding columns 2 are installed at the four corner positions of the top of the lower mold 1, the outer surface of the sliding column 2 is sleeved with the upper mold 4, and the top mold 3 is installed on the top of the upper mold 4. The limiter 12 is installed on the outer surface of the sliding column 2 inside the upper mold 4, and the spring B20 is installed on the outer surface of the sliding column 2 at the top of the upper mold 4. The spring A5 is installed on the outer surface of the sliding column 2 at the bottom of the upper mold 4, a punch 11 is installed in the middle of the bottom of the upper mold 4, and a limiting column 10 is installed in the middle of the bottom of the top mold 3. The upper mold 4 is limited by the set limiting column 10.

[0024] like Figure 3 and Figure 4 As shown, a steel ball 14 is installed on the inner surface of the limiter 12 through a steel ball groove 15, an oil groove 13 is provided on the inner side of the limiter 12 near the steel ball 14, an oil storage groove 17 is provided on the top of the limiter 12, and lubricating oil is filled in the oil storage groove 17. The oil storage groove 17 is connected with the oil groove 13, and a sponge 22 is installed in the oil storage groove 17. A pressure plate 18 is installed on the top of the oil storage groove 17, and an extrusion column 19 is installed on the top of the pressure plate 18 at the top of the limiter 12. The outer surface of the extrusion column 19 is located at the top of the limiter 12 and a return spring 21 is installed through a spring seat. A sliding groove 16 is provided on the outer surface of the sliding column 2 at the position of the steel ball 14. The sliding column 2 is quenched, and the steel ball 14 is clamped in the sliding groove 16, and the steel ball 14 is limited by the set sliding groove 16.

[0025] The working principle of a high dimensional precision mold based on Example 1 is: after the utility model is installed, when it is used, the raw material is placed on the top of the inner mold 8, and then the upper mold 4 is driven downward by the equipment, thereby driving the punch 11 to move downward, and the raw material is stamped and formed by the punch 11. After completion, the upper mold 4 is driven upward by the spring A5, and after the extrusion column 19 contacts the top mold 3, the extrusion column 19 is extruded by the top mold 3, driving the pressure plate 18 to move downward, and the sponge 22 is squeezed by the pressure plate 18, and the lubricating oil inside the sponge 22 is transported to the inside of the oil tank 13, and the steel ball 14 is lubricated by the lubricating oil, thereby reducing the wear probability of the sliding column 2, thereby ensuring the stamping accuracy of the utility model. At this point, the working process of this equipment is completed.

[0026] Embodiment 2

[0027] like Figure 1-3 As shown, the utility model proposes a high dimensional precision mold. Compared with the first embodiment, this embodiment also includes: a clamping groove 9 is provided in the middle of the top of the lower mold 1, an inner mold 8 is installed inside the clamping groove 9, and limiting grooves 7 are provided on both sides of the clamping groove 9 inside the lower mold 1. The inner mold 8 is limited by the set limiting grooves 7, and locking devices 6 are installed on both sides of the lower mold 1. The lower mold 1 is screwed together with the locking device 6, and the inner mold 8 is fixed by the set locking device 6.

[0028] In this embodiment, when the inner mold 8 needs to be replaced, the locking device 6 is loosened to release the restriction on the inner mold 8, and the inner mold 8 can be taken out. Then, the new inner mold 8 is inserted into the clamping groove 9, and the locking device 6 is tightened. The inner mold 8 is squeezed and limited by the locking device 6, so that the inner mold 8 is fixed.

[0029] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A high dimensional precision mold, comprising a lower mold (1) and a stopper (12), characterized in that: Slide columns (2) are installed at the four corner positions of the top of the lower mold (1), the outer surface of the slide column (2) is sleeved with an upper mold (4), the top of the upper mold (4) is installed with a top mold (3), a limiter (12) is installed inside the upper mold (4) on the outer surface of the slide column (2), a steel ball (14) is installed on the inner surface of the limiter (12) through a steel ball groove (15), an oil groove (13) is provided inside the limiter (12) on the side close to the steel ball (14), an oil storage groove (17) is provided on the top of the limiter (12), and a sponge (22) is installed inside the oil storage groove (17).

2. A high dimensional precision mold according to claim 1, characterized in that: A pressure plate (18) is installed at the top of the oil storage tank (17); a squeeze column (19) is installed at the top of the pressure plate (18) located at the top of the limiter (12); and a return spring (21) is installed on the outer surface of the squeeze column (19) located at the top of the limiter (12) through a spring seat.

3. A high dimensional precision mold according to claim 1, characterized in that: The outer surface of the sliding column (2) is provided with a sliding groove (16) at the position of the steel ball (14), and the steel ball (14) is clamped inside the sliding groove (16).

4. The high dimensional accuracy mold according to claim 1, characterized in that: The outer surface of the slide column (2) is located at the top of the upper mold (4) and is installed with a spring B (20), and the outer surface of the slide column (2) is located at the bottom of the upper mold (4) and is installed with a spring A (5).

5. The high dimensional accuracy mold according to claim 1, characterized in that: A clamping groove (9) is provided in the middle of the top of the lower mold (1), and an inner mold (8) is installed inside the clamping groove (9).

6. A high dimensional accuracy mold according to claim 5, characterized in that: The lower die (1) is provided with limit grooves (7) on both sides of the clamping groove (9), and lockers (6) are installed on both sides of the lower die (1). The lower die (1) and the lockers (6) are connected by screw thread.

7. The high dimensional accuracy mold according to claim 1, characterized in that: A punching die (11) is installed in the middle of the bottom of the upper die (4), and a limiting column (10) is installed in the middle of the bottom of the top die (3).

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