Oil pressure equipment for hard alloy powder forming

Abstract

The utility model discloses oil pressure equipment for forming hard alloy powder, which is characterized in that a working table is arranged at the upper part of a main machine body, and a hydraulic machine and an aerostatic press are arranged in the main machine body below the working table; according to the oil pressure equipment for forming the hard alloy powder, the situation that in the prior art, in the actual use process, part of products with the same upper and lower surface structures are adhered to an upper mold, and part of the products are adhered to a lower mold after pressure forming, so that unified demolding is difficult when one set of demolding and taking-out equipment is used is improved; after the upper mold moves upwards by 1-2 cm, a vibration demolding device and a pneumatic demolding valve are started, a product adhered to the upper mold can be demolded to fall on the lower mold, the situation that follow-up automatic equipment is difficult to demold uniformly can be effectively avoided, and the reliability of automatic operation of the equipment is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing equipment, in particular to an oil pressure equipment for hard alloy powder molding. Background Art

[0002] At present, China Patent No.: CN202011207452.9 discloses a fully automatic powder weighing and molding equipment, including a machine body and a hydraulic press, the machine body is fixed with the following mechanisms: powder feeding mechanism, rotating conveying mechanism, powder shaking and overweight and ultralight powder cleaning mechanism and residual material cleaning mechanism, the hydraulic press is fixed with the following two mechanisms: plug-in and pull-out pressure head mechanism and powder molding mechanism. The advantages of the present invention compared with the prior art are: the fully automatic powder weighing and molding equipment detects the weight of powder by a precision electronic scale, and the accuracy can reach ±0.005g. Through the rotating conveying and fixture lateral movement mechanism, the powder will be transported to the powder shaking mechanism, the molding mechanism and the residual material cleaning mechanism in turn, and then returned to the powder feeding mechanism, repeating the above action cycle production. The only labor is to feed the powder and collect the finished product, which greatly improves the production efficiency, ensures the uniformity of product weight and size, and meets customer requirements. However, in the actual use process of the prior art, there is still a problem that the products with the same upper and lower structures after pressure molding are partly stuck to the upper mold and partly stuck to the lower mold, making it difficult to demold uniformly. Utility Model Content

[0003] Therefore, in view of the above problems, the utility model proposes a hydraulic equipment for cemented carbide powder molding, which solves the technical problem that in the actual use of the prior art, products with the same upper and lower structures are partially stuck to the upper mold and partially stuck to the lower mold after pressure molding, making it difficult to demold uniformly.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hydraulic equipment for cemented carbide powder molding, whose structure includes a main body, a workbench, an upper frame, a positioning rod, a positioning seat, a hydraulic rod, a vibration demolding device, an upper die, a lower die, a pneumatic connecting pipe, a hydraulic press, and a pneumatic press. A workbench is arranged on the upper part of the main body, and a hydraulic press and a pneumatic press are arranged inside the main body below the workbench. An upper frame is arranged on the upper part of the main body, and the upper frame is fixedly connected to the positioning rod. The upper frame is also connected to the hydraulic rod, and the output end of the hydraulic rod is connected to the positioning seat. The two positioning rods pass through the left and right sides of the positioning seat. An upper die is arranged at the bottom of the positioning seat, and a vibration demolding device is also arranged on the positioning seat. A lower die is arranged below the upper die, and the upper die is connected to the pneumatic press through a pneumatic connecting pipe.

[0005] Furthermore, the inner side surface of the main body is provided with sound-absorbing cotton for reducing the working noise of the hydraulic press and the pneumatic press.

[0006] Furthermore, the positioning rod is a stainless steel rod-shaped structure with a smooth surface.

[0007] Furthermore, the upper mold also includes an air intake pipe, a one-way valve, a valve plate, a one-way valve positioning rod, a support spring, and a positioning plate. The air intake pipe is connected to the one-way valve, a valve plate is arranged at the lower end of the one-way valve, the valve plate is connected to the one-way valve positioning rod, and the one-way valve positioning rod is connected to the positioning plate via a support spring.

[0008] Furthermore, an ultrasonic vibration device is arranged in the vibration demoulding device, and the vibration end of the ultrasonic vibration device is fixedly connected to the positioning seat.

[0009] Furthermore, the positioning seat is slidably connected to the positioning rod via a wear-resistant sleeve, and the wear-resistant sleeve is made of rubber.

[0010] By adopting the above-mentioned technical scheme, the beneficial effect of the utility model is as follows: the hydraulic equipment for cemented carbide powder molding improves the existing technology. In actual use, there is still a situation in which a part of the product with the same upper and lower structures is stuck to the upper mold and a part is stuck to the lower mold after pressure molding, and it is difficult to uniformly demold using a set of demolding and removal equipment. After the equipment is finished working, the upper mold moves upward by 1-2 cm and then the vibration demolding device and the pneumatic demolding valve are started, which can demold the product stuck to the upper mold and make it fall on the lower mold, which can effectively avoid the situation that subsequent automated equipment is difficult to uniformly demold, and effectively ensure the reliability of the automated operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the upper die of the utility model.

[0013] In the figure: 1. main body; 2. workbench; 3. upper frame; 4. positioning rod; 5. positioning seat; 6. hydraulic rod; 7. vibration demoulding device; 8. upper mold; 9. lower mold; 10. air pressure connecting pipe; 11. hydraulic press; 12. air press; 21. air intake pipe; 22. one-way valve; 23. valve plate; 24. one-way valve positioning rod; 25. support spring; 26. positioning plate. DETAILED DESCRIPTION

[0014] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0015] refer to Figure 1-Figure 2The present embodiment provides a hydraulic equipment for cemented carbide powder molding, which structure includes a main body 1, a workbench 2, an upper frame 3, a positioning rod 4, a positioning seat 5, a hydraulic rod 6, a vibration demoulding device 7, an upper die 8, a lower die 9, a pneumatic connecting pipe 10, a hydraulic press 11, and a pneumatic press 12. The workbench 2 is arranged on the upper part of the main body 1, and a hydraulic press 11 and a pneumatic press 12 are arranged inside the main body 1 below the workbench 2. The upper frame 3 is arranged on the upper part of the main body 1, and the upper frame 3 is fixedly connected to the positioning rod 4. The upper frame 3 is also connected to the hydraulic rod 6, and the output end of the hydraulic rod 6 is connected to the positioning seat 5. The two positioning rods 4 pass through the left and right sides of the positioning seat 5. The upper die 8 is arranged at the bottom of the positioning seat 5, and the vibration demoulding device 7 is also arranged on the positioning seat 5. The lower die 9 is arranged below the upper die 8, and the upper die 8 is connected to the pneumatic press 12 through the pneumatic connecting pipe 10.

[0016] The inner side surface of the main body 1 is provided with sound-absorbing cotton for reducing the working noise of the hydraulic press 11 and the pneumatic press 12 .

[0017] The positioning rod 4 is a stainless steel rod-shaped structure with a smooth surface.

[0018] The upper mold 8 also includes an air intake pipe 21, a one-way valve 22, a valve plate 23, a one-way valve positioning rod 24, a support spring 25, and a positioning plate 26. The air intake pipe 21 is connected to the one-way valve 22. A valve plate 23 is provided at the lower end of the one-way valve 22. The valve plate 23 is connected to the one-way valve positioning rod 24. The one-way valve positioning rod 24 is connected to the positioning plate 26 via a support spring 25.

[0019] An ultrasonic vibration device is arranged inside the vibration demoulding device 7 , and a vibration end of the ultrasonic vibration device is fixedly connected to the positioning seat 5 .

[0020] The positioning seat 5 is slidably connected to the positioning rod 4 via a wear-resistant sleeve, and the wear-resistant sleeve is made of rubber.

[0021] The hydraulic equipment for cemented carbide powder molding improves the existing technology. In actual use, there is still a situation in which a part of the product with the same upper and lower structures is adhered to the upper mold 8 and a part is adhered to the lower mold 9 after pressure molding, and it is difficult to uniformly demold using a set of demolding and taking-out equipment. After the equipment is finished working, the upper mold 8 moves upward by 1-2 cm and then the vibration demolding device 7 and the pneumatic demolding valve are started, which can demold the product adhered to the upper mold 8 and make it fall on the lower mold 9, which can effectively avoid the situation that subsequent automated equipment is difficult to uniformly demold, and effectively ensure the reliability of the automated operation of the equipment.

[0022] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hydraulic device for cemented carbide powder molding, characterized in that: Its structure includes a main body, a workbench, an upper frame, a positioning rod, a positioning seat, a hydraulic rod, a vibration demoulding device, an upper mold, a lower mold, a pneumatic connecting pipe, a hydraulic press, and a pneumatic press. A workbench is arranged on the upper part of the main body, and a hydraulic press and a pneumatic press are arranged inside the main body below the workbench. An upper frame is arranged on the upper part of the main body, and the upper frame is fixedly connected to the positioning rod. The upper frame is also connected to the hydraulic rod, and the output end of the hydraulic rod is connected to the positioning seat. The two positioning rods pass through the left and right sides of the positioning seat. An upper mold is arranged at the bottom of the positioning seat, and a vibration demoulding device is also arranged on the positioning seat. A lower mold is arranged below the upper mold, and the upper mold is connected to the pneumatic press through a pneumatic connecting pipe.

2. The hydraulic equipment for cemented carbide powder molding according to claim 1, characterized in that: The inner side surface of the main body is provided with sound-absorbing cotton for reducing the working noise of the hydraulic press and the pneumatic press.

3. The hydraulic equipment for cemented carbide powder molding according to claim 1, characterized in that: The positioning rod is a stainless steel rod-shaped structure with a smooth surface.

4. The hydraulic equipment for cemented carbide powder molding according to claim 1, characterized in that: The upper mold also includes an air intake pipe, a one-way valve, a valve plate, a one-way valve positioning rod, a support spring, and a positioning plate. The air intake pipe is connected to the one-way valve. A valve plate is arranged at the lower end of the one-way valve. The valve plate is connected to the one-way valve positioning rod. The one-way valve positioning rod is connected to the positioning plate via a support spring.

5. The hydraulic equipment for cemented carbide powder molding according to claim 1, characterized in that: An ultrasonic vibration device is arranged inside the vibration demoulding device, and a vibration end of the ultrasonic vibration device is fixedly connected to the positioning seat.

6. The hydraulic equipment for cemented carbide powder molding according to claim 1, characterized in that: The positioning seat is slidably connected to the positioning rod through a wear-resistant sleeve, and the wear-resistant sleeve is made of rubber.

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