200 Mpa internal pressure steel wire drawing forming machine
Through the open high-pressure environment and hydraulic locking mechanism, pressure loss is controlled, and the problems of environmental pollution and high pulling force in traditional wire drawing are solved, achieving an efficient and environmentally friendly wire drawing process.
Patent Information
- Application Number
- CN202422433298.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The traditional wire drawing process requires sealing the environment, which leads to environmental pollution and high pulling force requirements, and it is difficult to establish a high-pressure environment in a dynamic process.
Adopting an open high-pressure environment, through the cooperation of hydraulic locking mechanism and metal sealing ring, high-pressure oil flows between the intermediate block and the core mold, controls pressure loss, and establishes a 200MPa high-pressure area to achieve the pulling of steel wire bundles.
Establish a high-pressure environment under unsealed conditions, reduce the need for pulling force, improve the denseness of wire tissue, avoid equipment and personnel injuries, and achieve an environmentally friendly and efficient pulling process.
Smart Images
Figure CN223145599U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wire drawing equipment, in particular to a wire drawing forming machine with an internal pressure of 200 Mpa. Background Art
[0002] The main processes of wire production include raw material selection, removal of scale, drying, coating treatment, wire drawing, and plating treatment. Traditional wire drawing requires bundling the wires and wrapping them with copper sleeves, followed by multiple passes of wire drawing. After wire drawing and forming, the copper sleeves are corroded away, exposing the wires. This method requires the use of acid during corrosion, polluting the environment and being not environmentally friendly. Therefore, a new wire drawing method is needed. Research shows that the structure of wires under high pressure is denser, and under a high-pressure environment, the wires are close to yield deformation under high-pressure, requiring a relatively low drawing force. However, a high-pressure sealing environment of 200 Mpa needs to be created for the bundled wires to pass through for wire drawing. Based on the above requirements, this application proposes a wire drawing forming machine with an internal pressure of 200 Mpa. Summary of the Utility Model
[0003] In order to overcome the deficiencies of the prior art, a wire drawing forming machine with an internal pressure of 200 Mpa is proposed to solve the problems raised in the above background art.
[0004] To achieve the above object, the utility model is realized by the following technical solutions:
[0005] A wire drawing forming machine with an internal pressure of 200 Mpa includes a frame. A wire unwinding mechanism is arranged inside one end of the frame, a wire winding mechanism is arranged at the other end of the frame, and a pressure-bearing body is arranged on the frame. The pressure-bearing body includes an intermediate block, and on the left and right sides of the intermediate block, a first side block, a second side block, and a third side block are sequentially arranged;
[0006] A central hole of the intermediate block is provided at the center of the intermediate block. A drawing die for drawing a wire bundle is detachably installed in the central hole of the intermediate block. The drawing die includes a plurality of drawing blocks and a plurality of support blocks. The plurality of drawing blocks and the plurality of support blocks are arranged at intervals and crosswise in sequence. A central hole of the drawing block is provided in the middle of the drawing block, a central hole of the support block is provided in the middle of the support block, an oil inlet hole is provided on the support block, and an oil inlet channel communicating with the oil inlet hole is provided on the intermediate block;
[0007] Central holes of the first side block, the second side block, and the third side block are provided at the centers of the first side block, the second side block, and the third side block. A plurality of core dies are detachably installed in the central holes of the side blocks. The plurality of core dies are arranged closely in sequence. A core die through hole for the wire bundle to pass through is provided at the center of the core die;
[0008] The pressure-bearing body further includes a hydraulic locking mechanism for locking the intermediate block, the first side block, the second side block, and the third side block.
[0009] As a further technical solution of the present utility model: The hydraulic locking mechanism includes four locking tie rods. Tie rod holes are provided at the four corners of the middle block, side block one, side block two, and side block three. One end of the locking tie rod sequentially passes through the tie rod holes. A nut one is connected to the locking tie rod near the right side block three, and a nut two is connected to the locking tie rod near the left side block three. A tensioning seat is arranged on the side of the nut two away from the side block three. The tensioning seat is installed on the four locking tie rods. A tensioning nut is fixedly arranged on the side of the tensioning seat away from the nut two. A hydraulic jack for tensioning the locking tie rod is arranged between the nut two and the tensioning seat.
[0010] As a further technical solution of the present utility model: The oil inlet passage is connected to a pressurization system. The pressurization system includes a pressurization pump. The pressurization pump is connected to a buffer. The buffer is communicated with the oil inlet passage through an oil inlet pipe. The pressurization pump is driven by a hydraulic system to work.
[0011] As a further technical solution of the present utility model: A sealing mechanism is arranged between the middle block and the side block one, and a sealing mechanism is arranged between adjacent two side blocks. The sealing mechanism is a metal sealing ring. Grooves for accommodating the metal sealing ring are provided on one side of the middle block, side block one, side block two, and side block three. The metal sealing ring is located outside the central hole of the side block and outside the central hole of the middle block.
[0012] As a further technical solution of the present utility model: Rollers are arranged at the lower ends of the side block one, side block two, and side block three. The rollers are located on the frame.
[0013] As a further technical solution of the present utility model: A tensioning seat central hole for the wire bunching to pass through is provided at the center of the tensioning seat. An anti-swing mechanism A is arranged on the side of the tensioning seat central hole away from the side block three, and an anti-swing mechanism B is arranged on one side of the right side block three.
[0014] The beneficial effects of the present utility model:
[0015] By arranging the middle block, side block one, side block two, and side block three, a drawing die is installed in the central hole of the middle block, and a core die is installed in the central hole of the side block. The sealing between the middle block, side block one, side block two, and side block three is realized through the cooperation of the hydraulic locking mechanism and the metal sealing ring.
[0016] An oil inlet hole is provided on the support block, and an oil inlet passage communicating with the oil inlet hole is provided on the middle block. 200 MPa high-pressure oil enters the central holes of the drawing block and the support block through the oil inlet passage and the oil inlet hole, forming a 200 MPa high-pressure environment for the drawing of the wire bunching, creating a high-pressure area. Under the high-pressure environment, the wire is close to yielding deformation under the high-pressure, requiring a relatively low drawing force, and the wire structure is denser under high pressure.
[0017] The high-pressure oil in the middle block flows to both sides and into the through holes of the core mold. At this time, the pressure of the high-pressure oil begins to lose. Control the pressure loss of the high-pressure oil in the flow extension of the through holes of the core mold, and control the pressure from the middle block to the two ends of the side blocks, so that the hydraulic oil flowing out of the ports flows out at 0 pressure or low pressure, preventing personnel and equipment from being damaged. Under the non-sealed working condition, the establishment of the central high pressure is ensured. The steel wire bundle enters from one end and exits from the other end, solving the problem of how to seal the high-pressure area. At the same time, the high-pressure oil also plays a role in lubricating the hydraulic oil to prevent the steel wires from sticking to each other.
[0018] In people's habitual cognition, only in a sealed environment can a high-pressure environment be created. However, the wire drawing is a dynamic process, and this traditional mechanical sealing method for creating a high-pressure environment is obviously not applicable to the wire drawing scenario. This is also the biggest problem of the present invention. The present invention innovatively establishes an open high-pressure environment, injects high-pressure oil into the middle block to create a high-pressure environment, the high-pressure oil continuously flows into the core molds on both sides, and the pressure also continuously decreases. The pressure of the middle block is consumed by using the way of pressure loss along the extension, so the pressure of the middle block is not sealed. Under the non-sealed working condition, the establishment of the central high pressure is ensured. Brief Description of the Drawings
[0019] Figure 1 It is a schematic diagram of the main structure of the present utility model;
[0020] Figure 2 It is a schematic diagram of the main structure of the pressure-bearing body;
[0021] Figure 3 For Figure 2 The partial enlarged view of A in
[0022] Figure 4 It is a schematic diagram of the main structure of the core mold and the drawing die;
[0023] Figure 5 It is a schematic diagram of the main structure of the drawing die;
[0024] Figure 6 It is a schematic diagram of the main structure of the middle block;
[0025] Figure 7 It is a top view of the main structure of the present utility model.
[0026] In the figure: 1 - frame, 2 - unwinding mechanism, 3 - winding mechanism, 4 - pressure-bearing body, 40 - intermediate block, 401 - drawing die, 402 - drawing block, 403 - support block, 404 - center hole of drawing block, 405 - center hole of support block, 406 - oil inlet hole, 407 - oil inlet channel, 408 - center hole of intermediate block, 41 - side block one, 42 - side block two, 43 - side block three, 44 - center hole of side block, 45 - core die, 46 - through hole of core die, 471 - locking pull rod, 472 - pull rod hole, 473 - nut one, 474 - nut two, 475 - tensioning seat, 476 - tensioning nut, 477 - hydraulic jack, 478 -, 481 - roller, 482 - anti-sway mechanism A, 483 - anti-sway mechanism B, 5 - steel wire bundle, 61 - booster pump, 62 - buffer, 63 - oil inlet pipe, 64 - hydraulic system, 7 - metal sealing ring. Detailed implementation mode
[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0028] A 200Mpa internal pressure steel wire drawing and forming machine includes a frame 1. An unwinding mechanism 2 is arranged inside one end of the frame 1, a winding mechanism 3 is arranged at the other end of the frame 1, and a pressure-bearing body 4 is arranged on the frame 1. The unwinding mechanism 2 includes an unwinding motor and an unwinding roller, and a steel wire bundle 5 to be drawn is wound on the unwinding roller. The winding mechanism 3 includes a winding motor and a winding roller. The steel wire bundle 5 to be drawn is 1000 steel wires with a diameter of 0.2mm and is bundled into a bunch by a woven mesh. One end of the steel wire bundle 5 to be drawn on the unwinding roller passes through the pressure-bearing body 4 and is fixedly connected to the winding mechanism 3. By controlling the servo torque of the winding motor, a reasonable traction force is ensured. By controlling the servo torque of the unwinding motor, the steel wire bundle is ensured to be tensioned. The pressure-bearing body 4 provides a high-pressure environment. The steel wire bundle 5 to be drawn passes through the pressure-bearing body 4 and is subjected to necking drawing under the dual action of high pressure and traction force, and finally is drawn into a steel wire with a diameter of 0.02mm.
[0029] The pressure-bearing body includes an intermediate block 40. Side block one 41, side block two 42, and side block three 43 are sequentially arranged on the left and right sides of the intermediate block 40. The intermediate block 40, side block one 41, side block two 42, and side block three 43 are arranged in close proximity in sequence. The intermediate block 40 is fixedly arranged on the frame 1. Roller 481 is arranged at the lower ends of side block one 41, side block two 42, and side block three 43. Roller 481 is located on the frame 1, and the arrangement of roller 481 facilitates the movement of side block one 41, side block two 42, and side block three 43.
[0030] A central hole 408 is provided at the center of the middle block 40. Edge block one 41, edge block two 42, and edge block three 43 are provided with edge block central holes 44 at their centers. The diameter of the edge block central hole 44 is smaller than the diameter of the middle block central hole 408. The middle block central hole 408 and the edge block central holes 44 can form a horizontal channel. A plurality of core molds 45 are detachably installed in the edge block central holes 44. The plurality of core molds 45 are arranged closely in sequence. A core mold through hole 46 for the wire bundle 5 to pass through is provided at the center of the core mold 45.
[0031] By inserting the core mold 45 into the edge block central hole 44 or removing the core mold 45 in the central hole 44, the replacement of the core mold 45 with different diameters of the core mold through holes 46 can be completed. Here, 1000 wires with a diameter of 0.2 mm are bundled into a bundle through a woven mesh and finally drawn into 1000 wires with a diameter of 0.02 mm. It needs to be drawn 5 times, that is, the core mold 45 needs to be replaced 5 times.
[0032] A drawing die 401 for drawing the wire bundle 5 is detachably installed in the middle block central hole 408. Both ends of the drawing die 401 extend into the edge block central hole 404 of the edge block one 41. The drawing die 401 includes a plurality of drawing blocks 402 and a plurality of support blocks 403. The plurality of drawing blocks 402 and the plurality of support blocks 403 are arranged alternately at intervals, that is, one drawing block 402 and one support block 403 are arranged in sequence. A drawing block central hole 404 is provided in the middle of the drawing block 402, and a support block central hole 405 is provided in the middle of the support block 403. The diameter of the drawing block central hole 404 is smaller than the diameter of the support block central hole 405. The drawing block central hole 404 and the support block central hole 405 are for the wire bundle 5 to pass through and be drawn.
[0033] An oil inlet hole 406 is formed in the support block 403, and an oil inlet channel 407 communicating with the oil inlet hole 406 is formed in the intermediate block 40. The oil inlet channel 407 is connected to a pressurization system. The pressurization system includes a booster pump 61. The booster pump 61 is connected to a buffer 62. The buffer 62 is communicated with the oil inlet channel 407 through an oil inlet pipe 63. The booster pump 61 is driven to work by a hydraulic system 64. The hydraulic system 64 drives the booster pump 61 to act to pressurize the high-pressure liquid. The booster pump 61 generates high-pressure oil with a pressure of 200 MPa. The booster pump 61 is a two-way booster pump. The 200 MPa high-pressure oil generated by the booster pump 61 enters the buffer 62, and then enters the drawing block central hole 404 and the support block central hole 405 through the oil inlet pipe 63, the oil inlet channel 407 and the oil inlet hole 406, forming a 200 MPa high-pressure environment for the drawing of the steel wire bundle 5. The high-pressure oil flows to both sides and flows into the core die through hole 46. At this time, the pressure of the high-pressure oil begins to be lost. By controlling the diameters of the steel wire bundle 5 and the core die 45 and the size of the annular gap of the core die through hole 46, the pressure loss of the high-pressure oil in the flow extension of the core die through hole 46 is controlled, and the pressure from the intermediate block 40 to the two ends of the side block three 43 is controlled, so that the hydraulic oil flowing out of the port flows out at 0 pressure or low pressure, preventing personal and equipment injuries, and ensuring the establishment of central high pressure under non-sealed working conditions. The theoretical basis of this calculation is the Bernoulli equation of ideal liquid. The basic calculation conditions are: high pressure of 200 MPa, annular gap extension loss to 0 MPa, hydraulic oil viscosity of 68-98 cst. Combining the processing and the diameter accuracy of the steel wire bundle 5, the gap between the core die through hole 46 and the steel wire bundle 5 is finally determined to be 0.1 mm
[0034] Substituting the above basic conditions into the formula to calculate the required annular gap length, that is, the lengths of the side block one 41, the side block two 42 and the side block three 43, so as to determine the mechanical structure dimensions. The high-pressure oil finally flows out of the core die through hole 46 of the side block three 43 and flows into the oil tank of the frame 1, and can be further recycled
[0035] The pressure-bearing body 4 further includes a hydraulic locking mechanism for locking the intermediate block 40, the first side block 41, the second side block 42, and the third side block 43. The hydraulic locking mechanism includes four locking tie rods 471. Tie rod holes 472 are provided at the four corners of the intermediate block 40, the first side block 41, the second side block 42, and the third side block 43. The positions and specifications of the four tie rod holes 472 provided on the intermediate block 40, the first side block 41, the second side block 42, and the third side block 43 are the same. One end of each locking tie rod 471 sequentially passes through the tie rod holes 472. A first nut 473 is connected to the locking tie rod 471 near the right third side block 43, and a second nut 474 is connected to the locking tie rod 471 near the left third side block 43. A tension seat 475 is provided on the side of the second nut 474 away from the third side block 43. The tension seat 475 is installed on the four locking tie rods 471. A tension nut 476 is fixedly provided on the side of the tension seat 475 away from the second nut 474. A hydraulic jack 477 for tensioning the locking tie rod 471 is provided between the second nut 474 and the tension seat 475. Four locking tie rods 471 are provided, and four first nuts 473 and four second nuts 474 are provided, which are respectively installed on the four locking tie rods 471.
[0036] A sealing mechanism is provided between the intermediate block 40 and the first side block 41, and a sealing mechanism is provided between adjacent side blocks. The sealing mechanism is a metal sealing ring 71. Grooves for accommodating the metal sealing ring 7 are provided on one side surface of the intermediate block 40, the first side block 41, the second side block 42, and the third side block 43. The metal sealing ring 7 is located outside the center hole 44 of the side block and outside the center hole 408 of the intermediate block. The hydraulic jack 477 applies a force to the tension seat 475 to stretch the locking tie rod 471. At this time, the tension nut 476 is tightened. After the force applied by the hydraulic jack 477 is removed, the tension nut 476 ensures that the locking tie rod 471 is in a stretched state, applying a pre-tightening force to the intermediate block 1 and the side blocks, and this force is greater than the high-pressure expansion force. The metal sealing ring 7 has an opening inside. The flowing high-pressure oil will enter the inner cavity of the metal sealing ring 7, and as the pressure increases, the metal sealing ring 7 expands to ensure good sealing of the sealing surface.
[0037] A tension seat center hole for the steel wire bundle 5 to pass through is provided at the center of the tension seat 475. An anti-sway mechanism A 482 is provided on the side of the tension seat center hole away from the third side block 43, and an anti-sway mechanism B 483 is provided on one side of the right third side block 43.
[0038] The specific implementation mode of the present utility model:
[0039] According to the diameter of the wire bundle to be drawn, select a suitable core die 45 and a drawing die 401. Insert the core die 45 into the central hole 44 of the side block, and insert the drawing die 401 into the central hole 408 of the middle block. One end of the locking rod 471 passes through the locking rod hole 472 in sequence. A first nut 473 is connected to the position of the locking rod 471 close to the right side block three 43, and a second nut 474 is connected to the position of the locking rod 471 close to the left side block three 43. A tension seat 475 is arranged on the side of the second nut 474 away from the side block three 43, and a tension nut 476 is fixedly arranged on the side of the tension seat 475 away from the second nut 474. The hydraulic jack 477 applies force to the tension seat 475 to stretch the locking rod 471. At this time, the tension nut 476 is tightened. After the force applied by the hydraulic jack 477 is removed, the tension nut 476 ensures that the locking rod 471 is in the stretched state and gives a pre-tightening force to the middle block 1 and the side block, and this force is greater than the high-pressure expansion force. The inner side of the metal seal ring 7 is provided with openings, and the flowing high-pressure oil will enter the inner cavity of the metal seal ring 7. As the pressure increases, the metal seal ring 7 expands to ensure good sealing of the sealing surface.
[0040] A wire bundle 5 to be drawn is wound on the unwinding mechanism 2. One end of the wire bundle 5 to be drawn is set to be a tip, and this end passes through the anti-sway mechanism A482, the central hole of the tension seat, the through hole 46 of the core die, the central hole 404 of the drawing block, and the central hole 405 of the support block in sequence, and then is connected to the winding mechanism 3.
[0041] The hydraulic system 64 drives the booster pump 61 to act to boost the high-pressure liquid. The booster pump 61 generates high-pressure oil with a pressure of 200 MPa. The booster pump 61 is a two-way booster pump. The 200 MPa high-pressure oil generated by the booster pump 61 enters the buffer 62, and then enters the central hole 404 of the drawing block and the central hole 405 of the support block through the oil inlet pipe 63, the oil inlet channel 407, and the oil inlet hole 406, forming a 200 MPa high-pressure environment for the drawing of the wire bundle 5. By controlling the servo torque of the winding motor, a reasonable traction force is ensured, and by controlling the servo torque of the unwinding motor, the wire bundle is ensured to be tensioned. The pressure-bearing body 4 provides a high-pressure environment. The wire bundle 5 to be drawn passes through the pressure-bearing body 4 and is subjected to double forces of high pressure and traction force to perform necking drawing. When drawing the wire under a high-pressure environment, the wire is close to yield deformation under the high-pressure, and the required drawing force is relatively low. The wire structure is denser under high pressure, and the hydraulic oil lubricates to prevent adhesion between wires.
[0042] The high-pressure oil in the middle block 40 flows to both sides and flows into the through hole 46 of the core die. At this time, the pressure of the high-pressure oil begins to be lost until the hydraulic oil flows out from the port of the side block three 43 at 0 pressure or low pressure, preventing personal and equipment injuries and ensuring the establishment of central high pressure under non-sealed working conditions.
[0043] Here, 1000 steel wires with a diameter of 0.2 mm are bundled into a bunch through a woven mesh, and are drawn through a drawing die under the action of high pressure and drawing force for necking drawing. Finally, it takes 5 times of drawing to draw the steel wires into 0.02 mm, and it is only necessary to replace the core die 45 and the drawing die 401 after each drawing is completed.
[0044] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed rights.
[0045] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A wire drawing forming machine for internal pressure within 200 Mpa, comprising a frame (1), wherein a unwinding mechanism (2) is arranged inside one end of the frame (1), and a winding mechanism (3) is arranged at the other end of the frame (1), characterized in that: A pressure-bearing body (4) is arranged on a frame (1). The pressure-bearing body includes an intermediate block (40). On the left and right sides of the intermediate block (40), a first side block (41), a second side block (42), and a third side block (43) are sequentially arranged. An intermediate block central hole (408) is formed at the center of the intermediate block (40). A drawing die (401) for drawing a steel wire bundle (5) is detachably installed in the intermediate block central hole (408). The drawing die (401) includes a plurality of drawing blocks (402) and a plurality of support blocks (403). The plurality of drawing blocks (402) and the plurality of support blocks (403) are arranged at intervals and crosswise in sequence. A drawing block central hole (404) is formed in the middle of the drawing block (402). A support block central hole (405) is formed in the middle of the support block (403). An oil inlet hole (406) is formed in the support block (403). An oil inlet channel (407) communicated with the oil inlet hole (406) is formed in the intermediate block (40). Side block central holes (44) are formed at the centers of the first side block (41), the second side block (42), and the third side block (43). A plurality of core dies (45) are detachably installed in the side block central holes (44). The plurality of core dies (45) are arranged closely in sequence. A core die through hole (46) for the steel wire bundle (5) to pass through is formed at the center of the core die (45). The pressure-bearing body (4) further includes a hydraulic locking mechanism for locking the intermediate block (40), the first side block (41), the second side block (42), and the third side block (43).
2. The internal pressure wire drawing forming machine within 200 Mpa according to claim 1, characterized in that: The hydraulic locking mechanism includes four locking tie rods (471). Tie rod holes (472) are formed at the four corners of the intermediate block (40), the first side block (41), the second side block (42), and the third side block (43). One end of the locking tie rod (471) sequentially penetrates through the tie rod holes (472). A first nut (473) is connected to the position of the locking tie rod (471) close to the third side block (43) on the right side. A second nut (474) is connected to the position of the locking tie rod (471) close to the third side block (43) on the left side. A tension seat (475) is arranged on the side of the second nut (474) away from the third side block (43). The tension seat (475) is installed on the four locking tie rods (471). A tension nut (476) is fixedly arranged on the side of the tension seat (475) away from the second nut (474). A hydraulic jack (477) for tensioning the locking tie rod (471) is arranged between the second nut (474) and the tension seat (475).
3. A 200Mpa internal pressure wire drawing forming machine according to claim 1, characterized in that: The oil inlet channel (407) is connected to a pressurization system. The pressurization system includes a pressurization pump (61). The pressurization pump (61) is connected to a buffer (62). The buffer (62) is communicated with the oil inlet channel (407) through an oil inlet pipe (63). The pressurization pump (61) is driven by a hydraulic system (64) to work.
4. A 200 Mpa internal pressure wire drawing forming machine according to claim 1, characterized in that: A sealing mechanism is provided between the middle block (40) and the first side block (41), and a sealing mechanism is provided between adjacent side blocks. The sealing mechanism is a metal sealing ring (71). Grooves for accommodating the metal sealing ring (7) are formed on one side of the middle block (40), the first side block (41), the second side block (42) and the third side block (43). The metal sealing ring (7) is located outside the central hole (44) of the side block and outside the central hole (408) of the middle block.
5. A 200Mpa internal pressure wire drawing forming machine according to claim 1, characterized in that: Rollers (481) are provided at the lower ends of the first side block (41), the second side block (42) and the third side block (43), and the rollers (481) are located on the frame (1).
6. A 200 Mpa internal pressure wire drawing forming machine according to claim 2, characterized in that: A central hole for the wire bundle (5) to pass through is formed at the center of the tensioning seat (475). An anti-sway mechanism A (482) is provided on the side of the central hole of the tensioning seat away from the third side block (43), and an anti-sway mechanism B (483) is provided on one side of the right third side block (43).
7. A wire drawing forming machine for internal pressure within 200 Mpa according to claim 1, characterized in that: The diameter of the central hole (44) of the side block is smaller than the diameter of the central hole (408) of the middle block, and the diameter of the central hole (404) of the drawing block is smaller than the diameter of the central hole (405) of the support block.
8. A 200Mpa internal pressure wire drawing forming machine according to claim 1, characterized in that: Both ends of the drawing die (401) extend into the central hole (44) of the first side block (41).