Hardware mold convenient for stripping

Abstract

The utility model discloses a hardware mould convenient for stripping, which relates to the technical field of moulds, and comprises four upright posts and a top plate, the four upright posts are arranged in a rectangular shape, and the top plate is arranged at the tops of the four upright posts. The cam is matched with the ball head to eject the vertical rod upwards, the vertical rod drives the die ejecting mechanism to move upwards to eject out a product in the lower die body, and therefore automatic stripping is achieved, compared with an existing manual stripping mode, stripping is more convenient, manpower is saved, the die ejecting mechanism is composed of a plate body and a plurality of ejector pins, and the die ejecting mechanism is simple in structure and convenient to operate. A plurality of ejector rods are uniformly distributed below the die, so that multi-point force application can be realized during stripping, the force applied to a product in the die is more balanced, and compared with the prior art with only one ejection point, the probability of deformation of the product due to non-uniform stress can be effectively reduced, and the stripping safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a hardware mold which is convenient for stripping. Background Art

[0002] Hardware molds are used in industrial production to make metal materials into parts or products of desired shapes through pressure using various presses and special tools installed on the presses. Such special tools are collectively referred to as hardware molds. However, it is not easy to eject the molded products in the traditional hardware molds during use to achieve the effect of rapid material removal. For this reason, patent authorization announcement No. CN 219188424 U discloses a hardware mold that is easy to remove materials, which records that "by designing a workbench, support legs, support frames, cylinders, press molds, molds, placement grooves, through grooves, holes, ejector blocks, bearings, threaded rods, cross plates, threaded grooves, turntables, and limit plates, the hardware molds can quickly eject the molded products during use." However, the existing technology requires manual rotation of the turntable to eject the product from the mold, which is time-consuming and labor-intensive, and the material removal efficiency is not high enough. Utility Model Content

[0003] The utility model aims to provide a hardware mold which is convenient for stripping materials, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A hardware mold for easy stripping includes a column and a top plate, wherein the columns are rectangular and are arranged in four shapes, the top plates are installed on the tops of the four columns, a hydraulic telescopic rod is installed in the middle of the top plates, an upper mold body is installed on the bottom piston end of the hydraulic telescopic rod, a support plate is installed in the middle of the four columns, a groove is provided in the middle of the support plate, a lower mold body is provided in the groove, a cavity is provided in the support plate just below the groove, a top mold mechanism is provided in the cavity, a pole is installed at the bottom of the top mold mechanism, the pole passes through the bottom of the support plate, and a ball head is installed at the bottom end of the pole, a bottom plate is installed at the lower part of the four columns, a motor is installed on the bottom plate, and a cam is installed on the output shaft of the motor.

[0006] As a further solution of the utility model: the ejector mechanism includes a plate body and ejector pins, the ejector pins are evenly mounted on the plate body, and a plurality of through holes are provided between the groove and the cavity for the ejector pins to pass through.

[0007] As a further solution of the utility model: guide grooves are provided on both sides of the plate body, and the guide grooves match with guide rails installed on the inner walls on both sides of the cavity.

[0008] As a further solution of the utility model: the bottom surface of the lower mold body is also provided with a through hole for the ejector pin to pass through.

[0009] As a further solution of the utility model: the outer sleeve of the vertical pole is provided with a spring, and the top and bottom ends of the spring are fixedly connected to the bottom surface of the support plate and the ball head respectively.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model is provided with a motor, a cam, a ball head, a spring, a vertical rod and a top mold mechanism. The motor drives the cam to rotate, and the cam cooperates with the ball head to push the vertical rod upward. The vertical rod drives the top mold mechanism to move upward to push out the product in the lower mold body, thereby realizing automatic stripping. Compared with the existing manual stripping method, the utility model is more convenient to strip and saves manpower.

[0012] 2. The mold ejection mechanism of the utility model is composed of a plate body and a plurality of ejector pins. A plurality of ejector pins are evenly distributed under the mold. In this way, multi-point force can be achieved during material removal, so that the force exerted on the product in the mold is more balanced. Compared with the existing method with only one ejection point, the probability of deformation of the product due to uneven force can be effectively reduced, and the safety of material removal can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front cross-sectional view of a hardware mold that is easy to remove materials.

[0014] Figure 2 It is a front view of a hardware mold that is easy to remove materials.

[0015] Figure 3 A metal mold that is easy to remove Figure 1 Schematic diagram of the structure of the middle top mold mechanism.

[0016] 1. Column; 2. Top plate; 3. Hydraulic telescopic rod; 4. Upper mold body; 5. Support plate; 6. Groove; 7. Lower mold body; 8. Cavity; 9. Top mold mechanism; 901. Plate body; 902. Ejector pin; 10. Vertical pole; 11. Spring; 12. Ball head; 13. Motor; 14. Cam; 15. Bottom plate; 16. Guide rail. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-2 In the embodiment of the utility model, a hardware mold for easy stripping includes a column 1 and a top plate 2. The column 1 is rectangular and has four columns. The top plate 2 is installed on the top of the four columns 1. A hydraulic telescopic rod 3 is installed in the middle of the top plate 2. The hydraulic telescopic rod 3 is externally connected to a hydraulic pump. An upper mold body 4 is installed at the bottom piston end of the hydraulic telescopic rod 3. A support plate 5 is installed in the middle of the four columns 1. A groove 6 is opened in the middle of the support plate 5. A lower mold body 7 is arranged in the groove 6. A cavity 8 is opened in the support plate 5 just below the groove 6. A top mold mechanism 9 is arranged in the cavity 8. The top mold A vertical rod 10 is installed at the bottom of the mechanism 9, and the vertical rod 10 passes through the bottom of the support plate 5, and a ball head 12 is installed at the bottom end of the vertical rod 10. A bottom plate 15 is installed at the lower part of the four columns 1, and a motor 13 is installed on the bottom plate 15. A cam 14 is installed on the output shaft of the motor 13. A spring 11 is provided on the outer sleeve of the vertical rod 10, and the top and bottom ends of the spring 11 are fixedly connected to the bottom surface of the support plate 5 and the ball head 12 respectively. The setting of the spring 11 can prevent the top mold mechanism 9 from colliding with the top and bottom surfaces of the cavity 8 during the rising and falling processes, thereby reducing the noise generated during material stripping.

[0019] See also Figure 1 and Figure 3 The ejector mechanism 9 includes a plate body 901 and an ejector pin 902. The ejector pin 902 is evenly installed on the plate body 901. A plurality of through holes are provided between the groove 6 and the cavity 8 for the ejector pin 902 to pass through. A through hole is also provided on the bottom surface of the lower mold body 7 for the ejector pin 902 to pass through. The provision of the through holes can facilitate the ejector pin 902 to eject the product. Guide grooves are provided on both sides of the plate body 901, and the guide grooves cooperate with the guide rails 16 installed on the inner walls on both sides of the cavity 8. The cooperation between the guide grooves and the guide rails 16 can make the ejector mechanism 9 rise and fall more smoothly.

[0020] The working principle of the utility model is:

[0021] When in use, the hydraulic telescopic rod 3 drives the upper mold body 4 and the lower mold body 7 to extrude the mold material into shape. When demolding, the motor 13 is started, and the motor 13 drives the cam 14 to rotate one circle. During the rotation of the cam 14, the ball head 12 will be pushed upward, and then the vertical rod 10 will drive the top mold mechanism 9 to move upward. The ejector pin 902 in the top mold mechanism 9 will evenly push the product out of the lower mold body 7 from the bottom of the product, thereby completing the demolding.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A metal mold for easy stripping, comprising a column (1) and a top plate (2), characterized in that: The four uprights (1) are arranged in a rectangular shape. A top plate (2) is installed on the top of the four uprights (1). A hydraulic telescopic rod (3) is installed in the middle of the top plate (2). An upper mold body (4) is installed on the piston end at the bottom of the hydraulic telescopic rod (3). A support plate (5) is installed in the middle of the four uprights (1). A groove (6) is provided in the middle of the support plate (5). A lower mold body (7) is provided in the groove (6). A cavity (8) is provided in the support plate (5) just below the groove (6). A top mold mechanism (9) is provided in the cavity (8). A vertical rod (10) is installed at the bottom of the top mold mechanism (9). The vertical rod (10) passes through the bottom of the support plate (5). A ball head (12) is installed at the bottom of the vertical rod (10). A bottom plate (15) is installed at the bottom of the four uprights (1). A motor (13) is installed on the bottom plate (15). A cam (14) is installed on the output shaft of the motor (13).

2. A metal mold for easy stripping according to claim 1, characterized in that: The ejector mechanism (9) comprises a plate body (901) and ejector pins (902). The ejector pins (902) are evenly mounted on the plate body (901). A plurality of through holes are provided between the groove (6) and the cavity (8) for the ejector pins (902) to pass through.

3. A metal mold for easy stripping according to claim 2, characterized in that: Guide grooves are provided on both sides of the plate body (901), and the guide grooves cooperate with guide rails (16) installed on the inner walls of both sides of the cavity (8).

4. A metal mold for easy stripping according to claim 1, characterized in that: The bottom surface of the lower mold body (7) is also provided with a through hole for the ejector pin (902) to pass through.

5. A metal mold for easy stripping according to claim 1, characterized in that: The outer sleeve of the vertical pole (10) is provided with a spring (11), and the top end and the bottom end of the spring (11) are fixedly connected to the bottom surface of the support plate (5) and the ball head (12) respectively.

Images