CN219724585U - Multi-inner cooling hole hard alloy bar forming production device - Google Patents

Abstract

The utility model discloses a multiple internal cooling hole cemented carbide bar forming production device, which relates to the technical field of powder metallurgy manufacturing. The pressing unit is installed on the mold unit, and the mold unit is installed on the installation base. The mold unit includes a mounting base, and an extrusion groove is provided on the installation base. A fixed rod is installed vertically inside the extrusion groove, and an extrusion molding die is installed on the top of the fixed rod. , the extrusion mold shown is equipped with an inner cooling hole core rod, the inner cooling hole core rod is hollow, the outer wall of the inner cooling hole core rod is provided with a through hole, and the mounting seat is provided with friction grooves at both ends of the extrusion groove. Through the linkage cooperation and extrusion of the mold unit and the extrusion unit, the utility model enables the overall device to greatly reduce the waste of high-performance materials when producing carbide rods with multiple internal cooling holes, thus improving economic benefits. Improve engineering production value.

Description

A multiple internal cooling hole cemented carbide bar forming production device

Technical field

The utility model relates to the technical field of powder metallurgy manufacturing, and specifically relates to a multiple internal cooling hole cemented carbide rod forming production device.

Background technique

The existing cemented carbide product manufacturing process mainly consists of three parts: mixture preparation, forming and sintering. Existing cemented carbide products are usually formed by press molding, that is, the mixture is loaded into the mold, and then the powder is compressed by upper and lower pressure to form, and then taken out of the mold to finally complete the pressing to form a green compact.

Bars with internal cooling holes are high-tech products that have emerged in the field of cemented carbide in recent years. They mainly include bars with single cooling holes and bars with multiple internal cooling holes. Carbide drills, end mills, and Reamers, taps, etc., when used to process workpieces, have the advantages of good cooling effect, high chip removal effect, good surface finish, and long tool life. In actual use, rods with internal cooling holes and rods with multiple internal cooling holes generally require higher surface material properties, but do not have high requirements for the performance of the intermediate material. However, the current conventional forming molds can only produce hard materials with the same internal and external materials. High-quality alloy rods, the overall materials used are higher-performance materials, resulting in a waste of high-performance materials.

Utility model content

The utility model provides a multiple internal cooling hole cemented carbide bar forming and production device to solve the problems raised in the above background technology.

In order to solve the above technical problems, the technical solution adopted by the present utility model is:

A multiple internal cooling hole cemented carbide rod forming production device, including a mounting base, a production device is provided on the mounting base, the production device includes a mold unit and an extrusion unit, the extrusion unit is installed on the mold unit On the top, the mold unit is installed on the mounting base. The mold unit includes a mounting base. An extrusion groove is provided on the mounting base. A fixing rod is installed vertically inside the extrusion groove. The top of the fixing rod is provided with Extrusion molding die, the extrusion molding die shown is provided with an inner cooling hole core rod, the inner cooling hole core rod is hollow, the outer wall of the inner cooling hole core rod is provided with a through hole, and the mounting seat is located on the extrusion molding die. There are friction grooves at both ends of the pressure groove.

A further improvement of the technical solution of the present invention is that the mounting base is fixedly mounted on the mounting base, the extrusion groove is located in the middle of the mounting base, the fixing rod is vertically fixed and installed in the extrusion groove, and the fixing rod is connected to the extrusion groove. The extrusion molding die is connected to the inner cooling hole core rod in a sliding manner. During the extrusion process of the extrusion unit extruding the mold unit, the inner cooling hole core rod is hollow, so some low-performance materials are extruded. After the material is injected into the inner wall of the inner cooling hole core rod, these extruded materials of low-performance materials are pressurized through the through hole and the extrusion unit. Because the extrusion unit extrudes both ends of the extrusion molding die at the same time, the extrusion materials of low-performance materials The extruded material becomes a carbide rod inside.

A further improvement of the technical solution of the present invention is that the friction groove is provided with a friction ramp, the friction ramp is fixedly connected to the mounting base through the friction groove, and the upper bevel of the friction ramp is slidingly connected to the extrusion unit.

A further improvement of the technical solution of the present invention is that the extrusion unit includes a telescopic rod, the telescopic rod is located at the top of the mounting base, and the other end of the telescopic rod is provided with a transverse partition, and one end of the transverse partition is provided with a stamped block, the middle part of the stamping block is the stamping part, the bottom of the stamping block is provided with a rotating shaft at both ends, the rotating shaft is provided with an extrusion block, the extrusion block is provided with a groove, the stamping block The bottom is in a groove.

A further improvement of the technical solution of the present invention is that the telescopic rod is fixedly installed vertically on the top of the mounting base, the telescopic rod is fixedly connected to the transverse partition, the transverse partition is fixedly connected to the stamping block, and the stamping block is fixedly connected to the stamping block. The rotating shaft is rotationally connected, and the rotating shaft is fixedly connected to the extrusion block. When the stamping block is lowering during stamping, as shown in the attached figure, the bottom of the extrusion block is in sliding contact with the hypotenuse of the friction inclined block, and because of the oblique The edge of the extrusion block is resisting the extrusion block. During the continuous pressing process, the extrusion block is fixedly connected to the rotating shaft and the rotating shaft is rotationally connected to the stamping block. As a result, the extrusion block deflects and rotates, and then the extrusion molding die The two ends of the inner cooling hole core rod are squeezed. At this time, the stamping part of the stamping block is stamped downward in the vertical direction for further extrusion.

A further improvement of the technical solution of the present invention is that in order to allow the high-performance material extrusion material to participate in the extrusion during the extrusion process, an injection cavity is provided inside the extrusion block, and an expansion bladder is provided at the bottom of the injection cavity, so High-performance material extrusion materials are injected into the injection cavity, and one end of the extrusion block is provided with an opening.

A further improvement of the technical solution of the present utility model is that: the airbag is provided with magnetorheological fluid, and the magnetorheological fluid is provided with an electromagnet. The electromagnet is connected to the external power supply wire, and the magnetorheological fluid encounters magnetism. The principle of changing from a fluid medium to a semi-fixed medium is that during the extrusion process, the electromagnet is energized and generates magnetism. At this time, the magnetorheological fluid changes from liquid to fixed, and then expands. The balloon expands and then collides, injecting the already injected material into the injection cavity. The high-performance material extrusion material is discharged to the opening. During the extrusion process, the extrusion block rotates in an offset manner. Finally, the high-performance material extrusion material is discharged from the opening to the extrusion mold and the inner cooling hole core rod.

Due to the adoption of the above technical solution, compared with the existing technology, the technical progress achieved by this utility model is:

The utility model provides a forming and production device of cemented carbide rods with multiple internal cooling holes. Through the linkage cooperation and extrusion of the mold unit and the extrusion unit, the overall device can be used to produce cemented carbide rods with multiple internal cooling holes. , can greatly reduce the waste of high-performance materials, thereby improving economic benefits and increasing engineering production value.

The utility model provides a multi-internal cooling hole cemented carbide bar forming production device. By setting an extrusion unit, the mold can be extruded simultaneously from multiple directions, which greatly improves the forming efficiency and forming speed.

Description of the drawings

Figure 1 is a schematic diagram of the overall three-dimensional structure of the utility model;

Figure 2 is a schematic structural diagram of the overall front view of the utility model;

Figure 3 is a three-dimensional enlarged structural schematic diagram of the extrusion unit of the present utility model;

Figure 4 is a schematic structural diagram of the internal front view of the extrusion block of the present invention.

In the picture: 1. Installation base; 201. Installation seat; 202. Extrusion groove; 203. Fixed rod; 204. Extrusion mold; 205. Internal cooling hole core rod; 206. Through hole; 207. Friction ramp; 301. Telescopic rod; 302. Transverse partition; 303. Stamping block; 304. Stamping part; 305. Rotating shaft; 306. Extrusion block; 307. Expansion air bag.

Implementation

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

Please refer to Figures 1-4. This utility model provides a technical solution:

Example

A multi-internal cooling hole cemented carbide rod forming production device includes a mounting base 1. A production device is provided on the mounting base 1. The production device includes a mold unit and an extrusion unit. The extrusion unit is installed on the mold unit. The mold unit Installed on the mounting base 1, the mold unit includes a mounting base 201. An extrusion groove 202 is provided on the mounting base 201. A fixing rod 203 is installed vertically inside the extrusion groove 202. An extrusion molding die 204 is provided on the top of the fixing rod 203. It is shown that the extrusion mold 204 is provided with an inner cooling hole core rod 205. The inner cooling hole core rod 205 is hollow. The outer wall of the inner cooling hole core rod 205 is provided with a through hole 206. The mounting base 201 is located at both ends of the extrusion groove 202. There are friction grooves.

The mounting base 201 is fixedly installed on the mounting base 1. The extrusion groove 202 is located in the middle of the mounting base 201. The fixing rod 203 is vertically fixed and installed in the extrusion groove 202. The fixing rod 203 is connected to the extrusion molding die 204. The extrusion molding die 204 is slidingly connected to the inner cooling hole core rod 205. In particular, during the extrusion unit extrusion process of the die unit, because the inner cooling hole core rod 205 is hollow, after some low-performance material extrusion materials are injected into the inner wall of the inner cooling hole core rod 205, the extrusion materials of these low-performance materials The extruded material passes through the through hole 206 and is pressurized by the extrusion unit. Because the extrusion unit extrudes both ends of the extrusion mold 204 at the same time, the extruded material of low-performance material becomes the inside of the cemented carbide rod.

A friction ramp block 207 is provided on the friction groove. The friction ramp block 207 is fixedly connected to the mounting base 201 through the friction groove. The upper bevel of the friction ramp block 207 is slidingly connected to the extrusion unit.

Working principle: During the extrusion process of the extrusion unit, the inner cooling hole core rod 205 is hollow, so after some low-performance material extrusion materials are injected into the inner wall of the inner cooling hole core rod 205, the extrusion of these low-performance materials The material is pressurized through the through hole 206 and the extrusion unit. Because the extrusion unit extrudes both ends of the extrusion mold 204 at the same time, the extrusion material of low-performance material becomes the inside of the cemented carbide rod.

Example

On the basis of the first embodiment: the extrusion unit includes a telescopic rod 301, which is located on the top of the mounting base 201, and the other end of the telescopic rod 301 is provided with a diaphragm 302, and one end of the diaphragm 302 is provided with a stamping block 303. The middle part of the block 303 is a stamping part 304. Both ends of the bottom of the stamping block 303 are provided with rotating shafts 305. The rotating shaft 305 is provided with an extrusion block 306. The extrusion block 306 is provided with a groove, and the bottom of the stamping block 303 is located at the groove. .

The telescopic rod 301 is vertically fixedly installed on the top of the mounting base 201. The telescopic rod 301 is fixedly connected to the diaphragm 302, the diaphragm 302 is fixedly connected to the stamping block 303, the stamping block 303 is rotationally connected to the rotating shaft 305, and the rotating shaft 305 is connected to the extruder. The pressing block 306 is fixedly connected. In particular, when the stamping block 303 is in the process of pressing down, as shown in the figure, the bottom of the extrusion block 306 is in sliding contact with the hypotenuse of the friction ramp block 207, and because the hypotenuse resists the extrusion block 306, at this time During the continuous pressing process, the extrusion block 306 is fixedly connected to the rotation shaft 305 and the rotation shaft 305 is rotationally connected to the stamping block 303, so the extrusion block 306 deflects and rotates, and then the extrusion mold 204 is connected with the internal cooling Both ends of the hole core rod 205 are squeezed. At this time, the punching portion 304 of the punching block 303 is punched downward in the vertical direction to further squeeze.

In order to allow the high-performance material extrusion material to participate in the extrusion during the extrusion process, an injection cavity is provided inside the extrusion block 306, and an expansion bladder 307 is provided at the bottom of the injection cavity. The high-performance material extrusion material is injected into the injection cavity, and the extrusion Block 306 is provided with an opening at one end.

There is a magnetorheological fluid in the air bag, and an electromagnet is arranged in the magnetorheological fluid. The electromagnet is connected to an external power supply wire.

Working principle: When the stamping block 303 is in the process of stamping down, as shown in the figure, the bottom of the extrusion block 306 is in sliding contact with the hypotenuse of the friction ramp block 207, and because the hypotenuse resists the extrusion block 306, at this time During the continuous pressing process, the extrusion block 306 is fixedly connected to the rotation shaft 305 and the rotation shaft 305 is rotationally connected to the stamping block 303, so the extrusion block 306 deflects and rotates, and then the extrusion mold 204 is connected with the internal cooling Both ends of the hole core rod 205 are squeezed. At this time, the stamping part 304 of the stamping block 303 is punched downward in the vertical direction and further squeezed. At this time, the magnetorheological fluid changes from a fluid medium to a semi-fixed medium when it encounters magnetism. The principle is that during the extrusion process, the electromagnet is energized and generates magnetism. At this time, the magnetorheological fluid changes from liquid to solid, and then expands and then collides with the balloon 307, discharging the high-performance material extrusion material that has been injected into the injection cavity. At the opening, the extrusion block 306 rotates in an offset manner during the extrusion process, and finally the high-performance material extrusion material is discharged from the opening into the extrusion molding die 204 and the inner cooling hole core rod 205.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Claims (7)

1. The utility model provides a many interior cold bore carbide rod shaping apparatus for producing, includes installation base (1), its characterized in that: the device comprises a mounting base (1), wherein a production device is arranged on the mounting base (1), the production device comprises a die unit and an extrusion unit, the extrusion unit is arranged on the die unit, and the die unit is arranged on the mounting base (1);

the die unit comprises a mounting seat (201), an extrusion groove (202) is formed in the mounting seat (201), a fixing rod (203) is vertically arranged in the extrusion groove (202), an extrusion forming die (204) is arranged at the top of the fixing rod (203), an inner cooling Kong Xingan (205) is arranged in the extrusion forming die (204), the inner cooling Kong Xingan (205) is hollow, a through hole (206) is formed in the outer wall of the inner cooling Kong Xingan (205), and friction grooves are formed in the two ends of the mounting seat (201) located in the extrusion groove (202).

2. The multi-inner cooling hole hard alloy bar forming production device according to claim 1, wherein: the mounting base (201) is fixedly mounted on the mounting base (1), the extrusion groove (202) is located in the middle of the mounting base (201), the fixing rod (203) is vertically and fixedly mounted in the extrusion groove (202), the fixing rod (203) is connected with the extrusion forming die (204), and the extrusion forming die (204) is in sliding connection with the internal cooling Kong Xingan (205).

3. The multi-inner cooling hole hard alloy bar forming production device according to claim 1, wherein: the friction groove is provided with a friction inclined block (207), the friction inclined block (207) is fixedly connected with the mounting seat (201) through the friction groove, and the upper inclined edge of the friction inclined block (207) is in sliding connection with the extrusion unit.

4. The multi-inner cooling hole hard alloy bar forming production device according to claim 1, wherein: the extrusion unit comprises a telescopic rod (301), the telescopic rod (301) is located at the top of a mounting seat (201), a diaphragm plate (302) is arranged at the other end of the telescopic rod (301), a punching block (303) is arranged at one end of the diaphragm plate (302), the middle of the punching block (303) is a punching part (304), rotating shafts (305) are arranged at two ends of the bottom of the punching block (303), extrusion blocks (306) are arranged on the rotating shafts (305), grooves are formed in the extrusion blocks (306), and the bottoms of the punching blocks (303) are located at the grooves.

5. The multi-inner cooling hole hard alloy bar forming production device according to claim 4, wherein: the telescopic rod (301) is vertically and fixedly arranged at the top of the mounting seat (201), the telescopic rod (301) is fixedly connected with the diaphragm plate (302), the diaphragm plate (302) is fixedly connected with the stamping block (303), the stamping block (303) is rotationally connected with the rotating shaft (305), and the rotating shaft (305) is fixedly connected with the extrusion block (306).

6. The multi-inner cooling hole hard alloy bar forming production device according to claim 5, wherein: the extrusion block (306) is internally provided with an injection cavity, the bottom of the injection cavity is provided with an expansion air bag (307), high-performance material extrusion materials are injected into the injection cavity, and one end of the extrusion block (306) is provided with an opening.

7. The multi-inner cooling hole hard alloy bar forming production device according to claim 6, wherein: magnetorheological fluid is arranged in the expansion air bag (307), an electromagnet is arranged in the magnetorheological fluid, and the electromagnet is connected with an external power supply wire.