A prestressed extruder

Abstract

This utility model relates to the field of extrusion press technology, specifically a prestressed extrusion press, including an extrusion press body, guide columns, and a prestress adjustment unit. Four sets of prestressed sleeves are evenly arranged between the front and rear beams of the extrusion press body. The guide columns pass through the front and rear beams and the corresponding prestressed sleeves. A first threaded seat is threadedly connected to one end of the guide column away from the front beam, and the first threaded seat abuts against the rear beam. The prestress adjustment unit is installed between the other ends of the four sets of guide columns. The prestress adjustment unit consists of an oil inlet mechanism and an adjustment mechanism. Four adjustment mechanisms are provided, and the output end of the oil inlet mechanism is connected to the four adjustment mechanisms. This utility model allows the oil inlet mechanism to supply an appropriate amount of hydraulic oil to the adjustment mechanism. The hydraulic oil drives the adjustment components in the adjustment mechanism to adjust the prestress of the guide columns, making adjustment convenient and quick, and expanding its application range.

Description

Technical Field

[0001] This utility model relates to the field of extrusion press technology, specifically to an extrusion press with prestress. Background Technology

[0002] An aluminum profile extrusion press is a crucial piece of equipment in the production of aluminum and its alloy profiles. It mainly consists of mechanical parts, a hydraulic system, and electrical components. During operation, the extrusion press generates significant extrusion pressure, which can cause the guide columns to lengthen or even break. Therefore, a prestressed frame is required to protect the guide columns.

[0003] Before use, existing extruders require a dedicated hydraulic tensioner to pre-tighten the prestressed frame. This dedicated hydraulic tensioner is only used once during the installation of the extruder unit and is idle at other times. It cannot be used on other equipment, resulting in high costs and serious waste of resources. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the background technology by proposing a prestressed extrusion press.

[0005] The technical solution of this utility model is as follows: A prestressed extruder includes an extruder body with four sets of prestressed sleeves evenly arranged between the front beam and the rear beam; a guide post that passes through the front beam, the rear beam, and the corresponding prestressed sleeve, with a first threaded seat threadedly connected to one end of the guide post away from the front beam, the first threaded seat abutting against the rear beam; and a prestress adjustment unit installed between the other ends of the four sets of guide posts, the prestress adjustment unit consisting of an oil inlet mechanism and an adjustment mechanism, four sets of adjustment mechanisms, the output end of the oil inlet mechanism being connected to the four sets of adjustment mechanisms, the adjustment mechanism including an oil seat installed at the end of the guide post, the oil seat having an oil cavity and a receiving groove inside, multiple sets of channels being provided between the oil cavity and the receiving groove, the output end of the oil inlet mechanism being connected to the oil cavity; and an adjustment component, one end of which is adjustablely disposed in the oil cavity, the other end passing through the channel and abutting against the front beam.

[0006] Preferably, the oil inlet mechanism includes an oil inlet pipe mounted on the front beam; four sets of connecting pipes mounted on the oil seat and connected to the oil chamber; and two sets of oil distribution pipes installed between corresponding sets of connecting pipes, the oil distribution pipes being connected to the output end of the oil inlet pipe via flexible hoses.

[0007] Preferably, a check valve is installed on the connecting pipe and near the oil seat.

[0008] Preferably, the adjusting mechanism includes a piston that is slidably connected to an oil chamber, with multiple sets of transmission rods evenly installed at one end of the piston, the multiple sets of transmission rods passing through corresponding channels and extending into a receiving groove; and an abutment seat that is slidably connected to the receiving groove, with one end of the multiple sets of transmission rods away from the oil chamber connected to the abutment seat, the other end of the abutment seat abutting against the front beam, the abutment seat being sleeved on the outside of the guide post, and a second opening corresponding to the guide post being provided on the abutment seat.

[0009] Preferably, multiple sets of guide grooves are evenly provided on the front beam and near the guide post, and multiple sets of guide rods are evenly installed on the side wall of the abutment seat away from the transmission rod, with the guide rods slidably inserted into the guide grooves.

[0010] Preferably, a first through-hole is provided on the oil seat, the oil seat is sleeved with the guide post through the first through-hole, and a second threaded seat is threadedly connected to the end of the guide post, the second threaded seat abuts against the end of the oil seat that is away from the front beam.

[0011] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: This utility model can supply an appropriate amount of hydraulic oil to the adjustment mechanism through the oil inlet mechanism, and adjust the prestress of the guide column by driving the adjustment component in the adjustment mechanism through the hydraulic oil. The adjustment is convenient and quick, and the application range is wider. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram showing the connection between the prestressed adjustment unit and the front beam of this utility model;

[0014] Figure 3 This is an exploded view of the prestressing adjustment unit and its connection method with the guide post of this utility model.

[0015] Figure 4 This is a schematic diagram of the adjustment mechanism of this utility model.

[0016] Reference numerals: 1. Extruder body; 101. Front beam; 102. Rear beam; 103. Prestressed sleeve; 104. Guide groove; 2. Guide post; 201. Threaded groove; 3. Oil seat; 301. First port; 302. Oil chamber; 303. Receiving groove; 304. Connecting pipe; 305. Check valve; 306. Oil distribution pipe; 307. Oil inlet pipe; 4. Second threaded seat; 5. Piston; 501. Transmission rod; 502. Abutment seat; 503. Second port; 504. Guide rod. Detailed Implementation

[0017] Example 1

[0018] like Figures 1 to 4As shown, this utility model proposes a prestressed extruder, including an extruder body 1, guide columns 2, and a prestress adjustment unit; four sets of prestressed sleeves 103 are evenly arranged between the front beam 101 and the rear beam 102 on the extruder body 1; the guide columns 2 are arranged through the front beam 101, the rear beam 102, and the corresponding prestressed sleeves 103, and there are four sets of guide columns 2; a first threaded seat is threadedly connected to one end of the guide column 2 away from the front beam 101, and the first threaded seat abuts against the rear beam 102, the first threaded seat is not shown; the prestress adjustment unit is installed between the other ends of the four sets of guide columns 2, and the prestress adjustment unit consists of an oil inlet mechanism and an adjustment mechanism, and there are four sets of adjustment mechanisms, the output end of the oil inlet mechanism is connected to the four sets of adjustment mechanisms.

[0019] The adjustment mechanism includes an oil seat 3 and an adjustment component; the oil seat 3 is installed at the end of the guide post 2, and the oil seat 3 is provided with an oil cavity 302 and a receiving groove 303. Multiple sets of channels are provided between the oil cavity 302 and the receiving groove 303, and the output end of the oil inlet mechanism is connected to the oil cavity 302; one end of the adjustment component is adjustablely installed in the oil cavity 302, and the other end passes through the channel and abuts against the front beam 101.

[0020] Furthermore, the oil inlet mechanism includes an oil inlet pipe 307, a connecting pipe 304, and a distribution pipe 306; the oil inlet pipe 307 is installed on the front beam 101, and the input end of the oil inlet pipe 307 is connected to an external hydraulic oil supply mechanism; four sets of connecting pipes 304 are provided, the connecting pipes 304 are installed on the oil seat 3 and are connected to the oil chamber 302; two sets of distribution pipes 306 are provided, the distribution pipes 306 are installed between the corresponding two sets of connecting pipes 304, and the distribution pipes 306 are connected to the output end of the oil inlet pipe 307 through a hose, and the oil inlet pipe 307 is a three-way pipe.

[0021] Furthermore, a check valve 305 is provided on the connecting pipe 304 and near the oil seat 3. The check valve 305 is existing technology, and corresponding models can be purchased on the market. Those skilled in the art can clearly understand the principle and structure. The check valve 305 is provided to prevent the hydraulic oil in the oil chamber 302 from flowing back and interfering with the adjustment of the prestress.

[0022] Furthermore, the adjustment mechanism includes a piston 5 and an abutment seat 502; the piston 5 is slidably connected to the oil chamber 302, and multiple sets of transmission rods 501 are evenly installed on one end of the piston 5. The multiple sets of transmission rods 501 pass through the corresponding channels and extend into the receiving groove 303. The diameter of the transmission rods 501 is smaller than the diameter of the channels; the abutment seat 502 is slidably connected to the receiving groove 303, and one end of the multiple sets of transmission rods 501 away from the oil chamber 302 is connected to the abutment seat 502. The other end of the abutment seat 502 abuts against the front beam 101. The abutment seat 502 is sleeved on the outside of the guide post 2, and a second opening 503 corresponding to the guide post 2 is opened on the abutment seat 502.

[0023] Furthermore, multiple sets of guide grooves 104 are evenly provided on the front beam 101 and near the guide post 2. Multiple sets of guide rods 504 are evenly installed on the side wall of the abutment seat 502 away from the transmission rod 501. The guide rods 504 are slidably inserted into the guide grooves 104. The guide rods 504 are slidably connected along the guide grooves 104 to improve the stability of the adjustment mechanism during adjustment.

[0024] In this embodiment, in the initial state, the abutment seat 502 slides along the receiving groove 303 and is stored inside the receiving groove 303. The extruder body 1 is started by the controller, which drives the front beam 101 to move a suitable distance relative to the rear beam 102 until the front beam 101 abuts against the abutment seat 502 and the oil seat 3. At this time, the guide rod 504 slides into the guide groove 104, connecting the external hydraulic oil supply mechanism to the oil inlet pipe 307 and supplying hydraulic oil into the oil inlet pipe 307. A liquid flow meter is installed at the connection between the oil inlet pipe 307 and the external hydraulic oil supply mechanism to detect the hydraulic oil volume. The hydraulic oil enters the two sets of oil pipes 306 through two sets of hoses, and then is divided to the opposite side. The hydraulic oil enters the oil chamber 302 through the check valve 305 in the two sets of connecting pipes 304. The hydraulic oil continuously enters the oil chamber 302, pushing the piston 5 to slide along the oil chamber 302, thereby driving the abutment seat 502 to apply a thrust to the front beam 101. This causes the front beam 101, the prestressed sleeve 103, and the rear beam 102 to squeeze each other. At this time, the prestressed sleeve 103 is in a compressive stress state, while the guide post 2, which is installed through the prestressed sleeve 103, is stretched by the prestress and is in a tensile stress state. The prestress of the guide post 2 is adjusted by the amount of hydraulic oil entering the cylinder. The adjustment is convenient and quick. The aluminum profile raw material is placed in a suitable position on the extrusion press body 1, and the extrusion press body 1 is started to carry out the extrusion work.

[0025] Example 2

[0026] like Figures 2 to 4 As shown, the present invention proposes a prestressed extruder. Compared with Embodiment 1, the oil seat 3 has a first through-hole 301 through which it is sleeved with the guide post 2. The end of the guide post 2 is threadedly connected to a second threaded seat 4. The second threaded seat 4 abuts against the end of the oil seat 3 that is away from the front beam 101. The side wall of the guide post 2 has a threaded groove 201, and the side wall of the second threaded seat 4 has a threaded hole. A fastening bolt is installed between the threaded hole and the threaded groove 201 to improve the connection stability between the second threaded seat 4 and the guide post 2, thereby making the second threaded seat 4 stably abut against the oil seat 3.

[0027] In this embodiment, the fastening bolts between the second threaded seat 4 and the guide post 2 are removed, and the second threaded seat 4 can be rotated and unscrewed along the end of the guide post 2, so that the oil seat 3 loses its limit relative to the guide post 2. Then, the first port 301 is moved outward along the guide post 2 to disassemble the adjustment mechanism and the oil seat 3 from the guide post 2 and the front beam 101, which facilitates the disassembly and assembly of the oil seat 3 and the guide post 2, and facilitates daily replacement and maintenance.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A prestressed extrusion press, characterized in that, include The extruder body (1) has four sets of prestressed sleeves (103) evenly arranged between the front beam (101) and the rear beam (102); The guide post (2) is set through the front beam (101), the rear beam (102) and the corresponding prestressed sleeve (103). The guide post (2) and the end away from the front beam (101) are threadedly connected to a first threaded seat, which abuts against the rear beam (102). And a prestress adjustment unit, which is installed between the other ends of the four sets of guide columns (2). The prestress adjustment unit consists of an oil inlet mechanism and an adjustment mechanism. There are four sets of adjustment mechanisms. The output end of the oil inlet mechanism is connected to the four sets of adjustment mechanisms. The adjustment mechanism includes An oil seat (3) is installed at the end of the guide post (2). The oil seat (3) is provided with an oil cavity (302) and a receiving groove (303). Multiple channels are provided between the oil cavity (302) and the receiving groove (303). The output end of the oil inlet mechanism is connected to the oil cavity (302). And an adjustment component, one end of which is adjustablely set in the oil cavity (302), and the other end of which passes through the channel and abuts against the front beam (101).

2. A prestressed extrusion press according to claim 1, characterized in that Oil inlet mechanism includes Oil inlet pipe (307), which is mounted on the front beam (101); The connecting pipe (304) is provided in four sets. The connecting pipe (304) is installed on the oil seat (3) and the connecting pipe (304) is connected to the oil cavity (302). And the oil distribution pipe (306) is provided in two sets. The oil distribution pipe (306) is installed between the corresponding two sets of connecting pipes (304). The oil distribution pipe (306) is connected to the output end of the oil inlet pipe (307) through a hose.

3. A prestressed extrusion press according to claim 2, characterized in that A check valve (305) is provided on the connecting pipe (304) and near the oil seat (3).

4. A prestressed extrusion press according to claim 1, characterized in that The regulating mechanism includes Piston (5), which is slidably connected to oil chamber (302), and multiple sets of transmission rods (501) are evenly installed at one end of piston (5). The multiple sets of transmission rods (501) pass through the corresponding channels and extend into the storage groove (303). And an abutment seat (502), which is slidably connected to the storage groove (303). One end of the multiple transmission rods (501) away from the oil cavity (302) is connected to the abutment seat (502). The other end of the abutment seat (502) abuts against the front beam (101). The abutment seat (502) is sleeved on the outside of the guide post (2). A second opening (503) corresponding to the guide post (2) is opened on the abutment seat (502).

5. A prestressed extrusion press according to claim 4, characterized in that Multiple sets of guide grooves (104) are evenly provided on the front beam (101) and near the guide post (2). Multiple sets of guide rods (504) are evenly installed on the side wall of the abutment seat (502) away from the transmission rod (501). The guide rods (504) are slidably inserted into the guide grooves (104).

6. A prestressed extrusion press according to claim 1, characterized in that The oil seat (3) has a first through-hole (301) through which it is sleeved with the guide post (2). The end of the guide post (2) is threadedly connected to a second threaded seat (4). The second threaded seat (4) abuts against the end of the oil seat (3) away from the front beam (101).

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