Powder continuous extrusion forming device

Abstract

The utility model relates to the technical field of powder pressing, and discloses a powder continuous extrusion forming device which comprises a cavity, a support is arranged in the cavity, a second core rod and a first core rod are installed in the support through a fixing assembly, a discharging port is formed in the rear side of the cavity, a feeding port is formed in the support, and a discharging port is formed in the feeding port. A cavity is formed in the support, a notch is formed in the inner side of the cavity, the support is in interference fit with the interior of the notch, the fixing assembly comprises a fixing sleeve, a second empty groove and a first empty groove are formed in the fixing sleeve, the second core rod is arranged in the second empty groove, and the first core rod is arranged in the first empty groove. According to the utility model, through the cooperation of the fixing sleeve, the first empty slot and the second empty slot, the first core rod and the second core rod can be quickly mounted and dismounted, the fixing assembly is mounted in the cavity by using the bracket, and through the cooperation of the first core rod and the second core rod, a multi-hole or single-hole product can be produced, the working process efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder pressing technical field especially relates to a powder continuous extrusion forming device. BACKGROUND

[0002] Before the emergence of powder forming technology, the processing of blocky materials mainly relies on casting, forging and other ways. Casting is to pour liquid metal into a mold and cool and solidify to form, but for some high melting point, refractory metal materials, the casting process will face many problems, such as mold damage caused by high temperature, material composition segregation, etc., forging is to deform the solid metal by applying pressure, but this method is not suitable for powder materials. With the development of modern industry, especially in the fields of electronics, aerospace, automobiles, etc., the demand for high-precision, complex-shaped parts is increasing, for example, in the electronics industry, a large number of small, high-precision electronic component supports are needed, which require the material to have good electrical conductivity and mechanical properties. Powder extrusion forming technology can uniformly mix metal powder with other additives (such as graphite to improve electrical conductivity) and extrude into the required shape to meet the production requirements of electronic component supports.

[0003] The existing powder continuous extrusion forming device mainly consists of a cavity and a core rod, metal powder raw materials enter the cavity, and are extruded by the cooperation of the core rod, and then the above steps are repeated to continuously extrude the powder, improving the processing efficiency.

[0004] The existing powder continuous extrusion forming device needs to purchase and replace the core rod set corresponding to the number of holes when making products with different numbers of holes, which affects the efficiency of the work process and requires additional costs. Therefore, a powder continuous extrusion forming device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a powder continuous extrusion forming device, which aims to improve the problem of the need to purchase and replace the core rod set to produce products with corresponding hole numbers in the prior art, reduce work efficiency and increase costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A powder continuous extrusion forming device, comprising a cavity, a support is arranged inside the cavity, a core rod two and a core rod one are installed in the support through a fixing assembly, a discharge port is formed on the rear side of the cavity, and a feeding port is formed in the support;

[0008] As a further description of the above technical scheme:

[0009] The inner side of the cavity is provided with a missing slot, and the support is in interference fit in the inside of the missing slot;

[0010] As a further description of the above technical solution:

[0011] The fixing assembly comprises a fixing sleeve, the inside of the fixing sleeve is provided with a hollow slot two and a hollow slot one, the core rod two is arranged in the inside of the hollow slot two, and the core rod one is arranged in the inside of the hollow slot one;

[0012] As a further description of the above technical solution:

[0013] The inside of the support is provided with a through hole, and the fixing sleeve is arranged in the inside of the through hole;

[0014] As a further description of the above technical solution:

[0015] The front side of the fixing sleeve is fixedly connected with a clamping plate, and the clamping plate is arranged on the front side of the support;

[0016] As a further description of the above technical solution:

[0017] The number of the hollow slot two is 4 or 6 or 8, and the hollow slot two is uniformly distributed in the inside of the fixing sleeve;

[0018] As a further description of the above technical solution:

[0019] The front side of the core rod one and the core rod two is fixedly connected with a rod cap;

[0020] As a further description of the above technical solution:

[0021] The outside of the cavity is provided with a clamping slot.

[0022] The utility model has the advantages that:

[0023] 1、The fixing assembly with the core rod one and the core rod two fixedly installed on the support is used for producing multi-hole products, and the fixing assembly with only the core rod one fixedly installed on the support is used for producing single-hole products, so that the cost required by production work is greatly saved.

[0024] 2、The hollow slot one and the hollow slot two are arranged in the inside of the fixing sleeve, so that the core rod one and the core rod two can be quickly replaced without professional personnel using professional dismounting tools, and the time cost and labor cost required by replacing the core rod are greatly increased. DRAWINGS

[0025] Figure 1 A plane schematic view of a powder continuous extrusion molding device is provided for the utility model;

[0026] Figure 2A structure schematic view of a cavity of a powder continuous extrusion forming device is provided in the utility model.

[0027] Figure 3 A structure schematic view of a support of a powder continuous extrusion forming device is provided in the utility model.

[0028] Figure 4 A structure schematic view of a fixing assembly of a powder continuous extrusion forming device is provided in the utility model.

[0029] Figure 5 A structure schematic view of a second core rod of a powder continuous extrusion forming device is provided in the utility model.

[0030] Legend:

[0031] 1, cavity; 2, support; 3, fixing assembly; 4, second core rod; 5, first core rod; 6, missing slot; 7, clamping groove; 8, through hole; 9, fixing sleeve; 10, empty slot two; 11, empty slot one; 12, clamping plate; 13, rod cap; 14, discharge port; 15, feeding port. Specific implementation

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] With reference to Figures 1-3 , the utility model provides an embodiment: the inside of cavity 1 is provided with support 2, the inside of support 2 is installed with second core rod 4 and first core rod 5 through fixing assembly 3, the rear side of cavity 1 is provided with discharge port 14, the inside of support 2 is provided with feeding port 15, powder is pressed into extrusion device through feeding port 15, and the device is left from discharge port 14 after extrusion forming. The inside of cavity 1 is provided with missing slot 6, and support 2 is interference fitted in the inside of missing slot 6, the space of fixed support 2 is provided through the opening of missing slot 6.

[0034] With reference to Figure 1 and Figure 4The fixed assembly 3 comprises a fixed sleeve 9, the inside of the fixed sleeve 9 is provided with a hollow groove II 10 and a hollow groove I 11, the core rod II 4 is arranged in the hollow groove II 10, the core rod I 5 is arranged in the hollow groove I 11, the hollow groove II 10 and the hollow groove I 11 are used to connect the core rod II 4 and the core rod I 5. The inside of the support 2 is provided with a through hole 8, the fixed sleeve 9 is arranged in the through hole 8. The front side of the fixed sleeve 9 is fixedly connected with a clamping plate 12, the clamping plate 12 is arranged on the front side of the support 2, and the fixed assembly 3 is prevented from falling out by using the clamping plate 12. The number of the hollow groove II 10 is 4 or 6 or 8, and the hollow groove II 10 is uniformly distributed in the inside of the fixed sleeve 9, and the core rod II 4 is quickly installed through the plurality of hollow groove II 10, and the efficiency of the work process is improved.

[0035] With reference to Figure 1 And Figure 5 The front side of the core rod I 5 and the core rod II 4 is fixedly connected with a rod cap 13, and the rod cap 13 is used to assist in installing and dismounting the rod cap 13. The outside of the cavity 1 is provided with a clamping groove 7, and the extrusion device is connected with other equipment through the clamping groove 7.

[0036] Working principle: when producing a multi-hole product, the core rod II 4 and the core rod I 5 are controlled to be installed into the hollow groove II 10 and the hollow groove I 11 in the fixed sleeve 9 through the rod cap 13, the fixed sleeve 9 is installed into the through hole 8 of the support 2, the fixed sleeve 9 is prevented from falling off through the clamping plate 12, the support 2 is fixed in the cavity 1 in cooperation with the missing groove 6, the powder used for production is pressed into the cavity 1 through the feeding port 15, and the powder is extruded into the shape of the corresponding product through the cooperation of the cavity 1, the core rod II 4 and the core rod I 5, and then the device is left from the discharging port 14, when a single-hole product needs to be produced, the core rod II 4 is controlled to slide out of the fixed sleeve 9 through the rod cap 13, and the core rod II 4 can be conveniently dismounted without professional personnel using professional dismounting tools, and then the corresponding single-hole product is extruded through the cooperation of the cavity 1 and the core rod I 5.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for continuous powder extrusion moulding comprising a moulding cavity (1), characterised in that: The inside of the cavity (1) is provided with a support (2), the inside of the support (2) is provided with a core rod two (4) and a core rod one (5) through a fixing assembly (3), the rear side of the cavity (1) is provided with a discharge port (14), and the inside of the support (2) is provided with an inlet port (15).

2. A device for continuous powder extrusion molding according to claim 1, characterized in that: The inside of the cavity (1) is provided with a lack slot (6), and the support (2) is in interference fit in the inside of the lack slot (6).

3. The apparatus according to claim 1, wherein: The fixing assembly (3) comprises a fixing sleeve (9), the inside of the fixing sleeve (9) is provided with a second empty slot (10) and a first empty slot (11), the core rod two (4) is arranged in the second empty slot (10), and the core rod one (5) is arranged in the first empty slot (11).

4. A device for continuous powder extrusion molding according to claim 3, characterized in that: The inside of the support (2) is provided with a through hole (8), and the fixing sleeve (9) is arranged in the inside of the through hole (8).

5. A device for continuous powder extrusion molding according to claim 3, characterized in that: The front side of the fixing sleeve (9) is fixedly connected with a clamping plate (12), and the clamping plate (12) is arranged on the front side of the support (2).

6. A device for continuous powder extrusion molding according to claim 3, characterized in that: The number of the second empty slots (10) is 4 or 6 or 8, and the second empty slots (10) are uniformly distributed in the inside of the fixing sleeve (9).

7. The apparatus according to claim 1, wherein: The front side of the core rod one (5) and the core rod two (4) is fixedly connected with a rod cap (13).

8. The apparatus of claim 1, wherein: The outside of the cavity (1) is provided with a clamping groove (7).

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