Hard alloy extrusion forming device

Abstract

The utility model discloses a hard alloy extrusion forming device which comprises a base, guide columns are installed at the corners of the top end of the base, a top seat is installed at the top ends of the guide columns, a hydraulic assembly is installed at the top end of the top seat, and an upper carrying table is installed at the bottom end of the hydraulic assembly. By arranging the dust collecting groove, the baffle, the open groove, the connecting piece and the variable-diameter rubber lantern ring, collection of powdered scraps is achieved, the variable-diameter rubber lantern ring has good elasticity, the outer side of the lower die base can be tightly sleeved with the variable-diameter rubber lantern ring due to deformation of the variable-diameter rubber lantern ring, under the action of gravity, the powdered scraps are guided into the dust collecting groove, and the dust collecting effect is improved. The baffle is installed at the top end of the interior of the dust collection groove to prevent powdered scraps from scattering on the device from the edge, meanwhile, the cross section of the baffle is in an M shape, and the baffle is matched with the arrangement of the open groove, so that the powdered scraps can be rapidly guided into the dust collection groove, concentrated collection is conducted on the powdered scraps, cleaning of the powdered scraps is facilitated, and the powdered scraps are prevented from scattering on the lower loading table all around.

Description

Technical Field

[0001] The utility model relates to the technical field of hard alloy extrusion molding, in particular to a hard alloy extrusion molding device. Background Art

[0002] Cemented carbide is an alloy material made of a hard compound of refractory metals and a bonding metal through a powder metallurgy process. It has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In the processing of cemented carbide, an extrusion molding device is used to load cemented carbide powder into a mold and extrude it under a certain temperature and pressure to form it into a desired shape and size. In actual use, the alloy powder will be scattered on the mold base and the processing table. The scattering range is large, and the diameter of the alloy powder is small, which is easy to get stuck in the gaps and grooves of the equipment. The cleaning process is cumbersome, time-consuming and labor-intensive. Therefore, a cemented carbide extrusion molding device is now provided. Utility Model Content

[0003] The purpose of the utility model is to provide a cemented carbide extrusion molding device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cemented carbide extrusion molding device, comprising a base, guide columns are installed at the corners of the top of the base, and a top seat is installed at the top of the guide column, a hydraulic assembly is installed at the top of the top seat, and an upper loading platform is installed at the bottom of the hydraulic assembly, an upper die seat is installed at the bottom of the upper loading platform, a download platform is provided at the top of the base, and a lower die seat is installed at the top of the download platform, a dust collecting groove is provided at the top of the download platform, and the dust collecting groove is sleeved on the outside of the lower die seat, a reducing rubber ring is installed at the top of the inner side of the dust collecting groove, a baffle is installed inside the dust collecting groove, and a slot is provided inside the baffle, and a connecting piece is provided inside the slot.

[0005] Preferably, the cross section of the baffle is in an "M" shape, a plurality of connecting pieces are provided, and the connecting pieces are distributed at equal intervals on the baffle, and an integrated structure is formed between the connecting pieces and the baffle.

[0006] Preferably, four groups of slide grooves are arranged inside the download platform, and an adjusting screw and a sliding block are installed inside the slide groove. The adjusting screw runs through the interior of the sliding block, and a threaded connection is formed between the sliding block and the adjusting screw. A claw hook is installed at the top of the sliding block.

[0007] Preferably, four groups of slots are arranged inside the lower die base, and the positions of the slots correspond to the positions of the claw hooks.

[0008] Preferably, a cylinder is installed at the bottom end of the downloading platform, a compression groove is arranged inside the base, and the inner diameter of the compression groove is matched with the outer diameter of the cylinder.

[0009] Preferably, a mounting groove is provided on the outer side of the cylinder, a sealing ring is installed inside the mounting groove, and the sealing ring contacts the inner wall of the compression groove.

[0010] Preferably, a rubber ring is provided at the bottom end of the cylinder, and the rubber ring is fixed at the center position of the bottom end of the compression groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The dust collecting trough, baffle, slot, connecting piece and reducer rubber ring are provided to collect the powder chips. The reducer rubber ring has good elasticity. The reducer rubber ring can be tightly sleeved on the outer side of the lower die seat due to its deformation. Under the action of gravity, the powder chips are guided into the dust collecting trough. The baffle is installed at the top of the dust collecting trough to prevent the powder chips from being scattered on the device from the edge. At the same time, the cross section of the baffle is "M" shaped. With the slot setting, the powder chips can be quickly guided into the dust collecting trough to collect the powder chips in a centralized manner, which is convenient for cleaning the powder chips and prevents the powder chips from being scattered on the unloading platform.

[0013] (2) The lower die base is replaced by providing a download platform, a lower die base, an adjusting screw, a claw hook, a slide groove, a sliding block and a slot. The rotation of the adjusting screw cooperates with the threaded connection with the sliding block. Under the restriction of the claw hook and the slide groove, the claw hook and the sliding block are controlled to move horizontally, so that the claw hook and the slot form a clamping state, and the position of the lower die base is fixed. The adjusting screw can be rotated in the reverse direction to release the lock of the lower die base, which is convenient for replacing the lower die base, thereby improving the flexibility of use;

[0014] (3) A buffering effect is achieved by providing a cylinder, a sealing ring, a compression groove, a rubber ring and a mounting groove. The cylinder is installed inside the compression groove, and cooperates with the sealing ring to make the inside of the compression groove sealed. When the cylinder is pressed down, a piston movement is formed inside the compression groove, compressing the air inside the compression groove and squeezing the rubber ring. The pressure of the air and the deformation of the rubber ring are used to buffer the downward pressure, reduce the collision force between the molds, and protect the molds, so that the device has a buffering function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial structure of a dust collecting tank viewed from above of the utility model;

[0019] Figure 4 It is a schematic diagram of a partial cross-sectional structure of a dust collecting tank of the utility model;

[0020] Figure 5 This is a schematic diagram of a partial cross-sectional structure of the base of the utility model;

[0021] Figure 6 It is a schematic diagram of a partial cross-sectional structure of a downloading platform of the utility model in a front view.

[0022] Description of reference numerals in the figures:

[0023] 1. Base; 2. Download platform; 3. Guide column; 4. Loading platform; 5. Top seat; 6. Hydraulic assembly; 7. Upper die seat; 8. Lower die seat; 9. Dust collecting tank; 10. Adjusting screw; 11. Cylinder; 12. Sealing ring; 13. Compression groove; 14. Rubber ring; 15. Baffle; 16. Slot; 17. Connecting piece; 18. Variable diameter rubber sleeve; 19. Claw hook; 20. Mounting groove; 21. Slide groove; 22. Sliding block; 23. Card slot. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-6 The utility model provides an embodiment: a cemented carbide extrusion molding device, including a base 1, a guide column 3 is installed at the corner of the top of the base 1, and a top seat 5 is installed at the top of the guide column 3, a hydraulic assembly 6 is installed at the top of the top seat 5, and an upper loading platform 4 is installed at the bottom of the hydraulic assembly 6, and an upper die seat 7 is installed at the bottom of the upper loading platform 4, a download platform 2 is arranged at the top of the base 1, and a lower die seat 8 is installed at the top of the download platform 2, a dust collecting groove 9 is arranged at the top of the download platform 2, and the dust collecting groove 9 is sleeved on the outer side of the lower die seat 8 A reducing rubber ring 18 is installed at the top of the inner side of the dust collecting groove 9, a baffle 15 is installed inside the dust collecting groove 9, and a slot 16 is arranged inside the baffle 15, and a connecting piece 17 is arranged inside the slot 16. The cross section of the baffle 15 is "M" shaped, and a plurality of connecting pieces 17 are arranged, and the connecting pieces 17 are evenly spaced on the baffle 15. An integrated structure is formed between the connecting piece 17 and the baffle 15. The cooperation of the baffle 15 and the slot 16 can quickly guide the dust into the dust collecting groove 9 and collect the dust in a centralized manner.

[0027] Specifically, as shown in the figure, when in use, the variable diameter rubber ring 18 can be tightly sleeved on the outer side of the lower die base 8 through the deformation, and the powder chips are guided into the inside of the dust collecting groove 9 under the action of gravity, and the baffle 15 is installed at the top of the inside of the dust collecting groove 9 to prevent the powder chips from being scattered on the device from the edge;

[0028] Four groups of slide grooves 21 are arranged inside the unloading platform 2, and the adjusting screw 10 and the sliding block 22 are installed inside the slide groove 21. The adjusting screw 10 runs through the inside of the sliding block 22, and the sliding block 22 and the adjusting screw 10 are threadedly connected. A claw hook 19 is installed on the top of the sliding block 22. Four groups of card slots 23 are arranged inside the lower mold base 8, and the positions of the card slots 23 correspond to the positions of the claw hooks 19. The claw hooks 19 and the card slots 23 can form a carding state to lock the position of the lower mold base 8.

[0029] Specifically, as shown in the figure, when in use, by adjusting the rotation of the screw rod 10 and cooperating with the threaded connection with the sliding block 22, under the restriction of the claw hook 19 and the slide groove 21, the claw hook 19 and the sliding block 22 are controlled to move horizontally, so that the claw hook 19 and the card slot 23 form a card engagement state, which is convenient for disassembly and installation of the lower die base 8;

[0030] A cylinder 11 is installed at the bottom end of the download platform 2, a compression groove 13 is arranged inside the base 1, and the inner diameter of the compression groove 13 is adapted to the outer diameter of the cylinder 11, a mounting groove 20 is arranged outside the cylinder 11, a sealing ring 12 is installed inside the mounting groove 20, and the sealing ring 12 contacts the inner wall of the compression groove 13, a rubber ring 14 is arranged at the bottom end of the cylinder 11, and the rubber ring 14 is fixed at the center position of the bottom end of the compression groove 13, and the distribution of the sealing ring 12 and the mounting groove 20 forms a piston structure between the cylinder 11 and the compression groove 13;

[0031] Specifically, as shown in the figure, when in use, the cylinder 11 is pressed down to form a piston movement inside the compression groove 13, compressing the air inside the compression groove 13 and squeezing the rubber ring 14. The air pressure and the deformation of the rubber ring 14 are used to buffer the downward pressure, reduce the collision force between the molds, and protect the molds.

[0032] Working principle: When in use, first, carry the carbide extrusion molding device to the target area, take out the mold to be used, place the lower mold base 8 on the top of the download platform 2, and control the position of the card slot 23 and the claw hook 19 to align, use the tool to control the adjustment screw 10 to rotate, control the claw hook 19 and the sliding block 22 to move horizontally, so that the claw hook 19 and the card slot 23 form a clamping state, fix the position of the lower mold base 8, then take out the dust collecting groove 9, stretch the variable diameter rubber ring 18 outward, control the variable diameter rubber ring 18 to be set on the outside of the lower mold base 8, and take out the baffle 15, install the baffle 15 inside the dust collecting groove 9, when it is necessary to When cleaning the powder on the lower die base 8, sweep the powder to the edge of the lower die base 8 and slowly push it to remove the powder. Under the action of gravity, the powder will be guided into the dust collecting trough 9, and the baffle 15 is installed at the top of the dust collecting trough 9 to prevent the powder from scattering on the device from the edge. During the extrusion molding process, the cylinder 11 will be pressed down to form a piston movement inside the compression groove 13, compressing the air inside the compression groove 13 and squeezing the rubber ring 14. The air pressure and the deformation of the rubber ring 14 are used to buffer the downward pressure, reduce the collision force between the molds, protect the molds, and finally complete the use of the cemented carbide extrusion molding device.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cemented carbide extrusion molding device, comprising a base (1), characterized in that: A guide column (3) is installed at the corner of the top of the base (1), and a top seat (5) is installed at the top of the guide column (3). A hydraulic assembly (6) is installed at the top of the top seat (5), and an upper loading platform (4) is installed at the bottom of the hydraulic assembly (6). An upper mold base (7) is installed at the bottom of the upper loading platform (4). A downloading platform (2) is arranged at the top of the base (1), and a lower mold base (8) is installed at the top of the downloading platform (2). A dust collecting groove (9) is arranged at the top of the downloading platform (2), and the dust collecting groove (9) is sleeved on the outer side of the lower mold base (8). A reducing rubber ring (18) is installed at the top of the inner side of the dust collecting groove (9). A baffle (15) is installed inside the dust collecting groove (9), and a slot (16) is arranged inside the baffle (15), and a connecting piece (17) is arranged inside the slot (16).

2. A cemented carbide extrusion molding device according to claim 1, characterized in that: The cross section of the baffle (15) is in an "M" shape. The connecting pieces (17) are provided in a plurality of groups, and the connecting pieces (17) are distributed at equal intervals on the baffle (15). An integrated structure is formed between the connecting pieces (17) and the baffle (15).

3. A cemented carbide extrusion molding device according to claim 1, characterized in that: The download platform (2) is provided with four groups of slide grooves (21) inside, and the slide grooves (21) are installed with adjusting screws (10) and sliding blocks (22) inside, the adjusting screws (10) pass through the inside of the sliding blocks (22), and the sliding blocks (22) and the adjusting screws (10) are threadedly connected, and the top end of the sliding blocks (22) is installed with claw hooks (19).

4. A cemented carbide extrusion molding device according to claim 1, characterized in that: Four groups of slots (23) are arranged inside the lower die base (8), and the positions of the slots (23) correspond to the positions of the claw hooks (19).

5. The cemented carbide extrusion molding device according to claim 1, characterized in that: A cylinder (11) is installed at the bottom end of the download platform (2), and a compression groove (13) is arranged inside the base (1), and the inner diameter of the compression groove (13) is matched with the outer diameter of the cylinder (11).

6. A cemented carbide extrusion molding device according to claim 5, characterized in that: The outer side of the cylinder (11) is provided with a mounting groove (20), the interior of the mounting groove (20) is provided with a sealing ring (12), and the sealing ring (12) is in contact with the inner wall of the compression groove (13).

7. A cemented carbide extrusion molding device according to claim 5, characterized in that: A rubber ring (14) is provided at the bottom end of the cylinder (11), and the rubber ring (14) is fixed at the center position of the bottom end of the compression groove (13).

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