Local extrusion device of horizontal extrusion casting machine

Abstract

According to the local extrusion device of the horizontal extrusion casting machine, the horizontal extrusion casting machine comprises a head plate used for installing a mold, the local extrusion device is arranged on the head plate and comprises a driver and an extrusion part, the driver is in driving connection with the extrusion part, an extrusion matching part is movably arranged on the mold, and the driver drives the extrusion part to move in the first direction; the extrusion part pushes the extrusion matching part to locally extrude the workpiece on the die; a through hole penetrating through the head plate is formed in the head plate, the extrusion part is arranged in the through hole, and when the driver drives the extrusion part to move in the first direction, the extrusion part extends out of the through hole. The local extrusion device is arranged on the head plate, the local extrusion device can provide local extrusion force, the driver drives the extrusion pin to move so as to enable the extrusion pin to push the pin rod on the mold plate, and then the pin rod on the mold plate extrudes the thick position of the side wall of a product so as to extrude bubbles at the position. Product defects are eliminated, and product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of squeeze casting machines, and particularly relates to a local extrusion device for a horizontal squeeze casting machine. Background Art

[0002] Squeeze casting is a new metal processing technology developed by drawing on die casting and forging processes. The squeeze casting process is performed by a squeeze casting machine, which is divided into a horizontal squeeze casting machine and a vertical squeeze casting machine. For traditional horizontal squeeze casting machines, when forming products with relatively thick upper side walls, air bubbles are likely to appear at the positions with relatively thick upper side walls of the products, reducing the product quality, affecting the product performance, and resulting in a relatively low qualified rate of the products.

[0003] Therefore, it is necessary to make further improvements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a local extrusion device for a horizontal squeeze casting machine with a simple structure, which can improve the product quality, enhance the product performance, increase the qualified rate of the product, and has strong practicability, so as to overcome the deficiencies of the prior art.

[0005] A local extrusion device for a horizontal squeeze casting machine designed according to this purpose. The horizontal squeeze casting machine includes a head plate for installing a mold. It is characterized in that: the local extrusion device is arranged on the head plate and includes a driver and an extrusion member. The driver is drivingly connected to the extrusion member. An extrusion fitting member is movably arranged on the mold. The driver drives the extrusion member to move in a first direction so that the extrusion member pushes the extrusion fitting member to locally extrude a workpiece on the mold.

[0006] A through hole penetrating the head plate is arranged on the head plate. The extrusion member is arranged in the through hole. When the driver drives the extrusion member to move in the first direction, the extrusion member extends out of the through hole to push the extrusion fitting member.

[0007] A movable rod is telescopically arranged on the driver. The movable rod is connected to the extrusion member through a connecting head.

[0008] The connecting head includes a first connecting block and a second connecting block. A first insertion hole is arranged on the first connecting block, and a second insertion hole is arranged on the second connecting block. One end of the extrusion member is provided with a first insertion head, and one end of the movable rod is provided with a second insertion head. The first insertion head is inserted into the first insertion hole, and the second insertion head is inserted into the second insertion hole. The first connecting block and the second connecting block are connected to each other to connect the movable rod and the extrusion member.

[0009] A first positioning surface is arranged on the first insertion hole, and a second positioning surface is arranged on the second insertion hole. One side of the first insertion head abuts against the first positioning surface and the other side abuts against the second insertion head. One side of the second insertion head abuts against the second positioning surface and the other side abuts against the first insertion head.

[0010] The first connecting block is provided with a first fixing hole, and the second connecting block is provided with a second fixing hole. A fastener passes through the second fixing hole and is tightly connected to the first fixing hole to connect the first connecting block and the second connecting block.

[0011] The first connecting block includes a first connecting half-block and a second connecting half-block. The second connecting block includes a third connecting half-block and a fourth connecting half-block. A first insertion hole is formed between the first connecting half-block and the second connecting half-block, and a second insertion hole is formed between the third connecting half-block and the fourth connecting half-block. The first connecting half-block is respectively connected to the third connecting half-block and the fourth connecting half-block, and the second connecting half-block is respectively connected to the third connecting half-block and the fourth connecting half-block.

[0012] The driver is installed on one side of the head plate, and the mold is installed on the other side of the head plate.

[0013] The driver is a hydraulic cylinder.

[0014] The extruding part is an extrusion pin.

[0015] In the utility model, by arranging a local extrusion device on the head plate, the local extrusion device can provide a local extrusion force. The extrusion pin is driven to move by the driver, so that the extrusion pin pushes the pin rod on the mold template, and then the pin rod on the template extrudes the position on the upper side wall of the product with a relatively thick wall to extrude the air bubbles at this position, eliminate the product defects, improve the product quality, make the performance of the product better, and at the same time greatly improve the qualified rate of the product. Description of the Drawings

[0016] Figure 1 It is a schematic assembly structure diagram of the head plate and the local extrusion device in an embodiment of the utility model.

[0017] Figure 2 It is a schematic assembly structure diagram of the head plate and the local extrusion device after the extruding part moves in the first direction in an embodiment of the utility model.

[0018] Figure 3 It is a schematic assembly structure diagram of the head plate and the local extrusion device from another orientation in an embodiment of the utility model.

[0019] Figure 4 It is a cross-sectional view of the assembly structure of the head plate and the local extrusion device in an embodiment of the utility model.

[0020] Figure 5 It is a schematic overall structure diagram of the local extrusion device in an embodiment of the utility model.

[0021] Figure 6 It is a cross-sectional view of the local extrusion device in an embodiment of the utility model.

[0022] Figure 7This is a schematic exploded view of a local extrusion device in an embodiment of the present utility model.

[0023] Figure 8 This is a schematic partial structure view of a horizontal squeeze casting machine in an embodiment of the present utility model. Detailed implementation manners

[0024] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] Refer to Figures 1-8 , for the local extrusion device of this horizontal squeeze casting machine, the horizontal squeeze casting machine includes a head plate 1 for installing a mold. The local extrusion device a is arranged on the head plate 1 and includes a driver 2 and an extrusion member 3. The driver 2 is drivingly connected to the extrusion member 3. An extrusion mating member is movably arranged on the mold. The driver 2 drives the extrusion member 3 to move in the first direction A, so that the extrusion member 3 pushes the extrusion mating member to locally extrude the workpiece on the mold. Specifically, the extrusion mating member is a pin rod arranged on the mold template. The extrusion member 3 pushes the pin rod on the template, and the pin rod extrudes the position on the side wall of the product with a relatively thick thickness to extrude the air bubbles at this position.

[0026] A through hole 4 penetrating the head plate 1 is arranged on the head plate 1. The extrusion member 3 is arranged in the through hole 4. When the driver 2 drives the extrusion member 3 to move in the first direction A, the extrusion member 3 extends out of the through hole 4 to push the extrusion mating member.

[0027] A movable rod 5 is telescopically arranged on the driver 2. The movable rod 5 is connected to the extrusion member 3 through a connecting head 6. The driver 2 is a hydraulic cylinder, that is, an oil cylinder, and the movable rod 5 is a piston rod telescopically arranged on the oil cylinder.

[0028] The connecting head 6 includes a first connecting block 7 and a second connecting block 8. A first insertion hole 9 is arranged on the first connecting block 7, a second insertion hole 10 is arranged on the second connecting block 8. One end of the extrusion member 3 is provided with a first plug connector 11, one end of the movable rod 5 is provided with a second plug connector 12. The first plug connector 11 is inserted into the first insertion hole 9, the second plug connector 12 is inserted into the second insertion hole 10, and the first connecting block 7 and the second connecting block 8 are connected to each other to connect the movable rod 5 and the extrusion member 3.

[0029] A first positioning surface 13 is arranged on the first insertion hole 9, a second positioning surface 14 is arranged on the second insertion hole 10. One side of the first plug connector 11 abuts against the first positioning surface 13 and the other side abuts against the second plug connector 12. One side of the second plug connector 12 abuts against the second positioning surface 14 and the other side abuts against the first plug connector 11. The above structure can position the movable rod 5 and the extrusion member 3 to prevent loosening between the movable rod 5 and the extrusion member 3. The first insertion hole 9 and the second insertion hole 10 are counterbores.

[0030] The first connecting block 7 is provided with a first fixing hole 15, and the second connecting block 8 is provided with a second fixing hole 16. A fastener (screw) passes through the second fixing hole 16 and is tightly connected to the first fixing hole 15 to connect the first connecting block 7 and the second connecting block 8.

[0031] The first connecting block 7 includes a semi-circular first connecting half-block 17 and a second connecting half-block 18, and the second connecting block 8 includes a semi-circular third connecting half-block 19 and a fourth connecting half-block 20. A first insertion hole 9 is formed between the first connecting half-block 17 and the second connecting half-block 18, and a second insertion hole 10 is formed between the third connecting half-block 19 and the fourth connecting half-block 20. The first connecting half-block 17 is respectively connected to the third connecting half-block 19 and the fourth connecting half-block 20 (connected through the first fixing hole 15 and the second fixing hole 16), and the second connecting half-block 18 is respectively connected to the third connecting half-block 19 and the fourth connecting half-block 20 (connected through the first fixing hole 15 and the second fixing hole 16); this structure facilitates the disassembly of the extrusion part 3. Only by unscrewing the screws on the first fixing hole 15 and the second fixing hole 16 can the first connecting block 7 and the second connecting block 8 be removed, and then the extrusion part 3 can be taken out.

[0032] The driver 2 is installed on one side of the head plate 1, and the mold is installed on the other side of the head plate 1.

[0033] The driver 2 is provided with a fixed flange 21, and the fixed flange 21 is provided with a third fixing hole 22. A fourth fixing hole 23 is provided on one side of the head plate 1. A fastener (screw) passes through the third fixing hole 22 and is tightly connected to the fourth fixing hole 23 to fix the driver 2 on the head plate 1.

[0034] The extrusion part 3 is an extrusion pin.

[0035] The horizontal squeeze casting machine further includes a middle plate 24, a tail plate 25 and a guide post 26. One end of the guide post 26 is installed on the head plate 1 and the other end is installed on the tail plate 25. The guide post 26 passes through the middle plate 24, and the middle plate 24 is movably arranged between the head plate 1 and the tail plate 25 along the guide post 26. The mold is installed between the head plate 1 and the middle plate 24.

[0036] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A partial extrusion device for a horizontal squeeze casting machine, the horizontal squeeze casting machine comprising a head plate (1) for mounting a mold, characterized in that: The local extrusion device (a) is arranged on the head plate (1), which includes a driver (2) and an extrusion member (3). The driver (2) is drivingly connected to the extrusion member (3). An extrusion mating member is movably arranged on the die. The driver (2) drives the extrusion member (3) to move in the first direction (A) so that the extrusion member (3) pushes the extrusion mating member to locally extrude the workpiece on the die. A movable rod (5) is telescopically arranged on the driver (2), and the movable rod (5) is connected to the extrusion member (3) through a connecting head (6). The connecting head (6) includes a first connecting block (7) and a second connecting block (8). A first insertion hole (9) is arranged on the first connecting block (7), and a second insertion hole (10) is arranged on the second connecting block (8). One end of the extrusion member (3) is provided with a first insertion head (11), and one end of the movable rod (5) is provided with a second insertion head (12). The first insertion head (11) is inserted into the first insertion hole (9), and the second insertion head (12) is inserted into the second insertion hole (10). The first connecting block (7) and the second connecting block (8) are connected to each other to connect the movable rod (5) and the extrusion member (3).

2. The local extrusion device of the horizontal squeeze casting machine according to claim 1, characterized in that: A through hole (4) penetrating the head plate (1) is arranged on the head plate (1). The extrusion member (3) is arranged in the through hole (4). When the driver (2) drives the extrusion member (3) to move in the first direction (A), the extrusion member (3) extends out of the through hole (4) to push the extrusion mating member.

3. The partial extrusion device of the horizontal squeeze casting machine according to claim 2, characterized in that: A first positioning surface (13) is arranged on the first insertion hole (9), and a second positioning surface (14) is arranged on the second insertion hole (10). One side of the first insertion head (11) abuts against the first positioning surface (13) and the other side abuts against the second insertion head (12). One side of the second insertion head (12) abuts against the second positioning surface (14) and the other side abuts against the first insertion head (11).

4. The local extrusion device of the horizontal squeeze casting machine according to claim 1, characterized in that: A first fixing hole (15) is arranged on the first connecting block (7), and a second fixing hole (16) is arranged on the second connecting block (8). A fastener passes through the second fixing hole (16) and is tightly connected to the first fixing hole (15) to connect the first connecting block (7) and the second connecting block (8).

5. The local extrusion device of the horizontal squeeze casting machine according to claim 4, characterized in that: The first connecting block (7) includes a first connecting half-block (17) and a second connecting half-block (18). The second connecting block (8) includes a third connecting half-block (19) and a fourth connecting half-block (20). The first insertion hole (9) is formed between the first connecting half-block (17) and the second connecting half-block (18). The second insertion hole (10) is formed between the third connecting half-block (19) and the fourth connecting half-block (20). The first connecting half-block (17) is respectively connected to the third connecting half-block (19) and the fourth connecting half-block (20). The second connecting half-block (18) is respectively connected to the third connecting half-block (19) and the fourth connecting half-block (20).

6. The partial extrusion device of the horizontal squeeze casting machine according to claim 2, characterized in that: The driver (2) is installed on one side of the head plate (1), and the die is installed on the other side of the head plate (1).

7. The partial extrusion device of the horizontal squeeze casting machine according to any one of claims 1-6, characterized in that: The driver (2) is a hydraulic cylinder.

8. The partial extrusion device of the horizontal squeeze casting machine according to any one of claims 1-6, characterized in that: The extrusion member (3) is an extrusion pin.

Images