Wire drawing machine for copper

Abstract

The application relates to the technical field of wire drawing machines, and particularly discloses a copper material wire drawing machine, which comprises a drawing machine body, a die and a drawing roller, the drawing machine body is provided with an adjusting device, the adjusting device comprises a mounting frame and a plurality of adjusting wheels, the plurality of adjusting wheels are arranged around a copper material central axis and are slidably matched with the mounting frame along the radial direction of the copper material, a gap for the copper material to pass through is formed between the plurality of adjusting wheels and is used for straightening the copper material; the drawing machine body is provided with a pushing device, the pushing device comprises a pushing mechanism for driving the adjusting wheels to move close to the copper material and a reset assembly for driving the adjusting wheels to reset, when the end part of the copper material after drawing moves to the gap, the pushing mechanism drives the plurality of adjusting wheels to synchronously move close to the copper material, and the copper material is synchronously extruded and straightened; the copper material wire drawing machine can improve the drawing quality of the copper material.

Description

Technical Field

[0001] This invention relates to the field of wire drawing machine technology, and specifically to a copper wire drawing machine. Background Technology

[0002] A drawing machine is an industrial piece of equipment composed of mechanical equipment, lubrication equipment, electrical equipment, hydraulic and pneumatic systems, etc. It is used to draw metals at room temperature, and its capacity is often expressed by the maximum drawing force. According to different structures, drawing machines can be divided into chain drawing machines, hydraulic drawing machines, and drum drawing machines. The plastic forming method of applying tensile force to metal billets and forcing them through a die hole to obtain a product with the same size and shape as the die hole is called drawing. Drawing is one of the main production methods of pipes, bars, profiles and wires. The tools and equipment for drawing production are simple and easy to maintain. Multiple varieties and specifications of products can be produced on one machine, and the dimensions of the products are accurate and the surface is smooth.

[0003] High-quality copper materials are divided into two main categories: high-purity pure copper and high-performance copper alloys. The core evaluation indicators are: purity, oxygen content, impurity content, microstructure density, conductivity, mechanical properties, corrosion resistance, and absence of defects such as pores, sand holes, and looseness. Copper materials used in new energy vehicles (such as conductive substrates for high-voltage connectors, high-voltage DC relays, and conductive terminal substrates for charging guns) are the most common high-quality copper materials. They need to balance high strength, high conductivity, resistance to stress relaxation, and high temperature resistance, and withstand the impact of large current cycles. Copper materials used in new energy vehicles need to be processed using wire drawing machines during production.

[0004] Chinese patent document CN214133368U discloses a continuous production apparatus for anti-arc-starting alloy copper, which includes a melting furnace, a holding furnace, an electromagnetic stirring device, a continuous extrusion press, and a drawing machine arranged in sequence. The electromagnetic stirring device includes a shell, an electromagnetic inductor, and a cooling water channel. The electromagnetic inductor is located outside the shell, and one end of the shell is connected to the cooling water channel, which includes a cooling water inlet and a cooling water outlet. The cooling water inlet is connected to the lower end of the shell, and the cooling water outlet is connected to the upper end of the shell.

[0005] The production process of the alloy includes the following steps: (1) Horizontal melting: the raw material is put into the melting furnace and the melting temperature is controlled at 1180~1200℃; after melting, it enters the holding furnace; (2) Electromagnetic stirring: the billet discharged from the holding furnace enters the electromagnetic stirring device, the electromagnetic stirring parameters are frequency 20~30Hz and current 20~30A; (3) Continuous extrusion: the billet after electromagnetic stirring enters the continuous extrusion machine, and the continuous extrusion of copper rod is realized through the continuous extrusion machine; (4) Drawing: the copper rod after continuous extrusion enters the drawing machine, and the extruded copper rod is drawn through the drawing machine.

[0006] In the above-mentioned technology, when copper material is placed in a drawing machine for drawing, after the copper rod is drawn, due to the small diameter of the copper material, the end of the copper material usually bends and curls in the direction of rotation of the drawing roller as the drawing roller rotates, which leads to poor drawing quality of the copper material. Summary of the Invention

[0007] This invention provides a copper wire drawing machine, which aims to solve the technical problem in the prior art that when copper is placed in a drawing machine for drawing, the copper rod will bend and curl up in the direction of rotation of the drawing roller after drawing due to the small diameter of the copper. This results in poor drawing quality of the copper.

[0008] A copper wire drawing machine of the present invention includes a drawing machine body, a mold disposed on the drawing machine body, and a drawing roller disposed on the drawing machine body for drawing copper. The drawing machine body is provided with an adjustment device, which includes a mounting frame disposed on the drawing machine body and a plurality of adjustment wheels disposed on the mounting frame. The plurality of adjustment wheels are arranged around the central axis of the copper, and the adjustment wheels slide along the radial direction of the copper along the mounting frame. A gap is formed between the plurality of adjustment wheels for the copper to pass through, and the plurality of adjustment wheels are used to straighten the copper. The drawing machine body is provided with a pushing device, which includes a pushing mechanism for driving the plurality of adjustment wheels toward the copper and a resetting component for driving the adjustment wheels away from the copper. When the end of the copper moves to the gap between the plurality of adjustment wheels after drawing, the pushing mechanism drives the plurality of adjustment wheels toward the copper, and the plurality of adjustment wheels synchronously squeeze and straighten the copper.

[0009] Beneficial effects: By coordinating the adjustment device and the pushing device, when the end of the drawn copper material moves into the gap between multiple adjustment wheels, the pushing mechanism drives multiple adjustment wheels to move synchronously toward the copper material, performing circumferential synchronous compression and straightening on the end of the copper material, solving the problem of bending and warping at the end of the copper material, ensuring the straightness and roundness of the copper material, thereby improving the drawing quality of the copper material; the reset component can drive the adjustment wheels to automatically reset after straightening, without affecting the continuous drawing feed of the copper material, adapting to the needs of continuous production.

[0010] Preferably, the pushing mechanism includes a pushing component for driving the adjustment wheel to move and a driving component for driving the pushing component to move. The pushing component includes a pushing frame for driving the adjustment wheel to move, a pushing block mounted on the pushing frame, and a pressing block for pressing the pushing block. The adjustment wheel is disposed on the pushing frame.

[0011] Beneficial effects: By cooperating with the push component and the drive component, the drive component drives the extrusion block to move, the extrusion block applies extrusion force to the push block, and then drives the adjusting wheel to move radially along the copper material through the push frame, so as to realize the synchronous extrusion and straightening of the copper material. The transmission structure is compact and the multi-wheel feeding synchronization is good.

[0012] Preferably, the drive assembly includes a rotating gear ring for driving the extrusion block to rotate along the central axis of the copper material, a rotating gear meshing with the rotating gear ring, and a drive component disposed on the drawing machine body for driving the rotating gear to rotate, wherein the extrusion block is mounted on the inner wall of the rotating gear ring.

[0013] Beneficial effects: The gear and ring meshing transmission is adopted. The driving component drives the rotating gear to rotate, which in turn drives the rotating tooth to rotate around the copper material axis, so that the extrusion block rotates synchronously and extrudes each pushing block in turn. This achieves synchronous radial feeding of multiple adjusting wheels, and the copper material is subjected to uniform circumferential force during straightening, ensuring the coaxiality and straightness of the copper material.

[0014] Preferably, the reset assembly includes a telescopic rod disposed on the push frame and an elastic element sleeved on the telescopic rod. One end of the elastic element is connected to the push frame and is used to drive the push frame to move away from the copper material.

[0015] Beneficial effects: When the extrusion block rotates away from the push block along with the rotating toothed ring, the elastic force of the elastic element can drive the push frame and the adjusting wheel to automatically reset and detach from the copper material surface, which facilitates continuous drawing and feeding of the copper material. At the same time, the telescopic rod guides the sliding direction of the push frame, ensuring that the adjusting wheel moves smoothly and does not deviate.

[0016] Preferably, the mounting frame is provided with an adjustment device, which includes a fixed frame mounted on the mounting frame and an adjustment component for driving a telescopic rod to slide along the radial direction of the copper material.

[0017] Beneficial effects: The initial position of the reset component can be adjusted by adjusting the device, thereby adjusting the initial gap of the adjusting wheel to adapt to the straightening requirements of copper materials of different diameters, improving the versatility and applicability of the equipment.

[0018] Preferably, the adjustment assembly includes an adjustment block that slides along the radial direction of the copper material on a fixed frame and a screw threaded onto the adjustment block. The screw is rotatably fitted onto the fixed frame, and one end of the adjustment block is connected to both an elastic element and a telescopic rod.

[0019] Beneficial effects: The screw thread adjustment method allows the adjusting block to slide radially when the screw is rotated, which in turn moves the telescopic rod and the elastic element as a whole. The adjustment accuracy is high, and the screw thread can be self-locking to keep the adjusted position stable and prevent it from loosening.

[0020] Preferably, a telescopic rod 2 is installed on the inner wall of the rotating gear ring for driving the extrusion block to slide along the radial direction of the copper material. One end of the telescopic rod 2 is connected to the rotating gear ring, and the other end is connected to the extrusion block.

[0021] Beneficial effects: The second telescopic rod can flexibly adjust the radial extension of the extrusion block, thereby adjusting the extrusion force of the adjustment wheel on the copper material. At the same time, it can compensate for the gap caused by long-term wear of the components, ensure the long-term stability of the straightening effect, and can adapt to the position of the adjusted push block.

[0022] Preferably, the adjusting wheel rotates in conjunction with the push frame.

[0023] Beneficial effects: The adjusting wheel can rotate synchronously with the copper material drawing feed, changing sliding friction into rolling friction, reducing wear on the copper material surface, ensuring the smoothness of the copper material surface, and at the same time reducing drawing resistance and reducing energy consumption.

[0024] Preferably, the adjusting wheel has an arc-shaped groove that matches the outer circumferential surface of the copper material, and the arc-shaped groove can fit into the copper material.

[0025] Beneficial effects: The arc groove fits perfectly with the outer circumference of the copper material, increasing the contact area and ensuring more uniform force during straightening. This avoids localized indentations on the copper surface and also provides radial restraint, preventing the copper material from shifting during the straightening process.

[0026] Preferably, the adjusting wheel has a cooling chamber for storing coolant, and the adjusting wheel has a liquid inlet that communicates with the cooling chamber.

[0027] Beneficial effects: Coolant can enter the cooling chamber through the inlet to cool the adjusting wheel in real time, avoiding excessive temperature of the adjusting wheel caused by frictional heat during the copper drawing process, thus extending the service life of the adjusting wheel. At the same time, it can prevent high temperature from affecting the mechanical properties and surface quality of the copper material.

[0028] The beneficial effects of this invention are as follows: 1. In this invention, through the cooperation of the adjustment device and the pushing device, when the end of the drawn copper material moves to the gap between multiple adjustment wheels, the pushing mechanism drives multiple adjustment wheels to move synchronously toward the copper material, and performs circumferential synchronous extrusion and straightening on the end of the copper material, solving the problem of the end of the copper material bending and warping, ensuring the straightness and roundness of the copper material, thereby improving the drawing quality of the copper material; the reset component can drive the adjustment wheels to automatically reset after the straightening is completed, without affecting the continuous drawing feed of the copper material, and adapting to the needs of continuous production.

[0029] 2. In this invention, the initial gap and straightening pressure of the adjusting wheel can be flexibly adjusted by setting the adjusting device, which is suitable for processing copper materials of different diameters and specifications, and the equipment has strong versatility; at the same time, the gear and ring transmission method is adopted, and multiple adjusting wheels are fed synchronously, the straightening force is uniform, the coaxiality of the copper material is good, the processing accuracy is high, the structure is compact and the operation is stable.

[0030] 3. In this invention, the adjusting wheel adopts a rolling fit structure and is equipped with a suitable arc groove, which can reduce the wear on the surface of the copper material and ensure the surface processing quality; the adjusting wheel has a built-in cooling chamber, which can cool down the copper material after drawing and further improve the drawing quality of the copper material. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0032] Figure 2 This is a structural schematic diagram illustrating the positional relationship between the mounting bracket and the adjusting wheel according to the present invention.

[0033] Figure 3 This is a structural schematic diagram illustrating the connection relationship between the mounting bracket and the fixing bracket of the present invention.

[0034] Figure 4 yes Figure 3 A magnified view of a portion of point A in the middle.

[0035] Figure 5 This is a schematic diagram illustrating the structure of the rotating gear ring of the present invention.

[0036] Figure 6 yes Figure 5 A magnified view of a section at point B.

[0037] Figure label: 1. Drawing machine body; 2. Die; 3. Adjustment device; 31. Mounting frame; 32. Adjusting wheel; 321. Arc groove; 322. Liquid inlet; 4. Pushing device; 41. Reset assembly; 411. Telescopic rod one; 412. Elastic element; 42. Pushing assembly; 421. Pushing frame; 422. Pushing block; 423. Extrusion block; 43. Drive assembly; 431. Rotating gear ring; 432. Rotating gear; 433. Drive element; 5. Adjustment device; 51. Fixing frame; 52. Adjustment assembly; 521. Adjusting block; 522. Screw; 6. Telescopic rod two; 7. Horizontal adjustment mechanism one; 8. Horizontal adjustment mechanism two. Detailed Implementation

[0038] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0039] Reference Figures 1-6 This invention discloses a copper wire drawing machine, comprising a drawing machine body 1, a die 2 disposed on the drawing machine body 1, and drawing rollers (not shown in the figure) disposed on the drawing machine body 1 for drawing copper. The die 2 is located at the feed end of the drawing machine body 1, and the die hole axis of the die 2 is coaxial with the copper drawing direction. The drawing rollers are rotatably fitted to the discharge side of the drawing machine body 1. The drawing rollers are arranged in pairs and are used to clamp the copper and provide drawing power. The drawing machine body 1 is provided with a horizontal adjustment mechanism 1 and a horizontal adjustment mechanism 2 8. The horizontal adjustment mechanism 1 detachably installs on the drawing machine body 1 and is used to drive the horizontal adjustment mechanism 2 8 and the die 2 to slide and adjust along the length direction of the drawing machine body 1. The horizontal adjustment mechanism 2 detachably installs on the horizontal adjustment mechanism 1 7 and is used to drive the die 2 to slide and adjust along the length direction of the drawing machine body 1. The width of the machine body 1 is adjusted by sliding. The mold 2 is detachably installed on the horizontal adjustment mechanism 8. The drawing machine body 1 is equipped with an adjustment device 3, which is located on the discharge side of the mold 2. The axis of the adjustment device 3 is coaxial with the axis of the mold hole of the mold 2. The adjustment device 3 is used to adjust the drawn copper material. When the copper material needs to be drawn, the position of the mold 2 is adjusted first. During the adjustment, the horizontal adjustment mechanism 7 and the horizontal adjustment mechanism 8 drive the mold 2 to slide along the length and width of the drawing machine body 1, respectively. After the adjustment is completed, the position of the mold 2 is fixed. Then the copper material is fed into the mold hole of the mold 2 and drawn by the drawing roller. After the drawn copper material is straightened by the adjustment device 3, it is conveyed out for subsequent processing.

[0040] Reference Figure 2 , Figure 3 and Figure 4 The adjustment device 3 includes a mounting frame 31 mounted on the drawing machine body 1 and a plurality of adjusting wheels 32 mounted on the mounting frame 31. The mounting frame 31 includes a lower frame body detachably connected to the horizontal adjustment mechanism 8 and an upper frame body detachably connected to the lower frame body. The plurality of adjusting wheels 32 are arranged around the central axis of the copper material. In this embodiment, four adjusting wheels 32 are arranged. The four adjusting wheels 32 are evenly distributed at 90° along the circumference of the copper material. The adjusting wheels 32 slide along the radial direction of the copper material and are fitted to the mounting frame 31. A gap is formed between the plurality of adjusting wheels 32 for the copper material to pass through. The plurality of adjusting wheels 32 are used to radially compress and straighten the outer circumferential surface of the copper material.

[0041] Reference Figure 3 , Figure 4 and Figure 5The drawing machine body 1 is equipped with a pushing device 4. The pushing device 4 includes a pushing mechanism for driving multiple adjusting wheels 32 to move closer to the copper material and a resetting component 41 for driving the adjusting wheels 32 to move away from the copper material. When the end of the copper material moves to the gap between the multiple adjusting wheels 32 after drawing, the pushing mechanism drives the multiple adjusting wheels 32 to move closer to the copper material. The multiple adjusting wheels 32 simultaneously squeeze the copper material to straighten it. After straightening, the pushing mechanism releases the force, and the resetting component 41 drives the adjusting wheels 32 to reset and detach from the surface of the copper material, without affecting the subsequent continuous feeding of the copper material.

[0042] Among them, reference Figure 3 , Figure 4 and Figure 5 The pushing mechanism includes a pushing assembly 42 for driving the adjustment wheel 32 and a driving assembly 43 for driving the pushing assembly 42. The pushing assembly 42 includes a pushing frame 421 for driving the adjustment wheel 32, a pushing block 422 mounted on the pushing frame 421, and a pressing block 423 for pressing the pushing block 422. The pushing frame 421 is slidably fitted on the mounting frame 31 along the radial direction of the copper material. The adjustment wheel 32 is rotatably fitted on the pushing frame 421 via a rotating shaft. The pushing block 422 is fixedly mounted on the pushing frame 421. The pressing block 423 is used to apply radial pressing force to the pushing block 422, thereby driving the adjustment wheel 32 through the pushing frame 421 to achieve radial feeding.

[0043] Reference Figure 2 , Figure 3 and Figure 4 The drive assembly 43 includes a rotating gear ring 431 for driving the extrusion block 423 to rotate along the central axis of the copper material, a rotating gear 432 meshing with the rotating gear ring 431, and a drive member 433 mounted on the drawing machine body 1 for driving the rotating gear 432 to rotate. The rotating gear ring 431 is coaxially arranged with the copper material, and a frame for supporting the rotation of the rotating gear ring 431 is provided on the horizontal adjustment mechanism 2 8. The drive member 433 is fixedly installed on the horizontal adjustment mechanism 2 8. The drive member 433 is a drive motor, and the output shaft of the drive member 433 is fixedly connected to the rotating gear 432 for driving the rotating gear 432 to rotate. The extrusion block 423 is mounted on the rotating gear ring 431. The inner wall of the moving gear ring 431 has a pressing block 423 corresponding to the pushing block 422. Both the pressing block 423 and the pushing block 422 are set as arc-shaped blocks. The pressing block 423 has a pressing arc-shaped surface on the side facing the pushing block 422. When the driving member 433 drives the rotating gear 432 to rotate, the rotating gear 432 drives the rotating gear ring 431 to rotate around the copper material axis. The rotating gear ring 431 drives the pressing block 423 on the inner wall to rotate synchronously. The pressing arc-shaped surface of the pressing block 423 gradually abuts against the pushing block 422 and pushes the pushing block 422 to move radially towards the copper material. This drives the pushing frame 421 and the adjusting wheel 32 to feed synchronously, thereby realizing the circumferential pressing and straightening of the copper material.

[0044] Reference Figures 3-6 The reset assembly 41 corresponds one-to-one with the push frame 421. The reset assembly 41 includes a telescopic rod 411 disposed on the push frame 421 and an elastic element 412 sleeved on the telescopic rod 411. The telescopic rod 411 is arranged radially along the copper material. One end of the telescopic rod 411 is fixedly connected to the push frame 421, and the other end extends radially outward. The elastic element 412 is directly a spring. One end of the elastic element 412 is fixedly connected to the push frame 421 and is used to drive the push frame 421 to move away from the copper material. When the pressing block 423 rotates away from the push block 422 with the rotating toothed ring 431, the radial pressing force disappears, the elastic element 412 releases the elastic force, and drives the push frame 421 and the adjusting wheel 32 to slide and reset radially outward, so that the adjusting wheel 32 is disengaged from the surface of the copper material.

[0045] Reference Figure 3 , Figure 4 and Figure 6 An adjustment device 5 is provided on the mounting frame 31. The adjustment device 5 corresponds one-to-one with the reset component 41. The adjustment device 5 includes a fixed frame 51 and an adjustment component 52 installed on the mounting frame 31. The fixed frame 51 is detachably installed on the inner wall of the mounting frame 31. The adjustment component 52 is used to drive the telescopic rod 411 to slide along the radial direction of the copper material, thereby adjusting the initial position of the push frame 421 and the adjustment wheel 32 as a whole.

[0046] Among them, reference Figure 3 , Figure 4 and Figure 6 The adjustment assembly 52 includes an adjustment block 521 and a screw 522 that are radially slidably fitted onto a fixed frame 51 along the copper material. The end of a telescopic rod 411 away from the push frame 421 is fixedly connected to the adjustment block 521. The end of an elastic element 412 away from the push frame 421 is fixedly connected to the adjustment block 521. The screw 522 is arranged radially along the copper material and is rotatably fitted onto the fixed frame 51 via a bearing. The screw 522 is threadedly fitted onto the adjustment block 521. When the screw 522 is rotated, the adjustment block 521 can be driven to slide radially along the fixed frame 51, thereby driving the telescopic rod 411 and the elastic element 412 to move as a whole. The telescopic rod 411 drives the push frame 421 and the adjustment wheel 32 to slide and adjust, thereby adjusting the initial gap between multiple adjustment wheels 32 to adapt to the processing of copper materials of different diameters.

[0047] Reference Figure 3 , Figure 4 and Figure 6A telescopic rod 6 is fixedly installed on the inner wall of the rotating gear ring 431 to drive the extrusion block 423 to slide along the radial direction of the copper material. The telescopic rod 6 can be directly adopted as an active telescopic rod structure. The telescopic rod 6 is set along the radial direction of the copper material. One end of the telescopic rod 6 is fixedly connected to the inner wall of the rotating gear ring 431, and the other end is fixedly connected to the extrusion block 423. The radial position of the extrusion block 423 can be adjusted by the telescopic rod 6, thereby adjusting the feed stroke and straightening pressure of the adjusting wheel 32. At the same time, it can compensate for the gap after long-term wear of the components and ensure the straightening accuracy.

[0048] Reference Figure 3 , Figure 4 and Figure 6 The adjusting wheel 32 has an arc-shaped groove 321 that fits the outer circumference of the copper material. The arc-shaped groove 321 can fit into the copper material. The adjusting wheel 32 has a cooling chamber for storing coolant. The adjusting wheel 32 has a liquid inlet 322 that communicates with the cooling chamber. An external coolant supply device is provided on the liquid inlet 322. The coolant can enter the cooling chamber through the liquid inlet 322 to continuously cool the adjusting wheel 32, avoid the heat generated by the pulling friction from causing the temperature of the adjusting wheel 32 to be too high, and at the same time cool down the copper material.

[0049] The implementation principle of the copper wire drawing machine of the present invention is as follows: When copper material needs to be drawn, the position of the mold 2 is first adjusted. During the adjustment, the mold 2 is slidably adjusted along the length direction and the width direction of the drawing machine body 1 by the horizontal adjustment mechanism 1 and the horizontal adjustment mechanism 2 8 respectively. After the adjustment is completed, the position of the mold 2 is fixed. Then, the copper material is inserted into the die hole of the mold 2 and the copper material is drawn by the drawing roller. After being drawn, the copper material is fed towards the adjustment device 3. When the end of the copper material moves into the gap between multiple adjustment wheels 32, the drive component 433 is activated, driving the rotating gear 432 to rotate. The rotating gear 432 drives the rotating gear ring 431 to rotate around the axis of the copper material. Multiple extrusion blocks 423 on the inner wall of the rotating gear ring 431 rotate synchronously. The extrusion slope of the extrusion block 423 gradually approaches the push block 422 and abuts against the push block 422. At this time, the extrusion block 423 pushes the push block 422 to move radially towards the copper material. The push block 422 drives the telescopic rod 411 to extend and stretches the elastic element 412. At the same time, the push block 422 drives the push frame 421 and the adjustment wheel 32 to feed synchronously. The arc grooves 321 of multiple adjustment wheels 32 fit together with the outer circumferential surface of the copper material to perform circumferential synchronous extrusion and straightening of the end of the copper material, correcting the bending and warping of the end of the copper material. After the straightening is completed, the drive component 433 continues to drive the rotating gear ring 431 to rotate, causing the extrusion block 423 to rotate away from the push block 422. At this time, the radial extrusion force disappears, the elastic component 412 releases the elastic restoring force, and drives the push frame 421 and the adjusting wheel 32 to slide outward radially to reset. The adjusting wheel 32 disengages from the copper material surface, and the copper material can continue to be pulled forward and fed. When processing copper materials of different diameters, first rotate the screw 522. The screw 522 drives the adjusting block 521 to slide radially, which in turn drives the telescopic rod 411, the elastic element 412, the push frame 421 and the adjusting wheel 32 to move as a whole, adjusting the initial gap between the multiple adjusting wheels 32 to match the copper material of the corresponding diameter. At the same time, the radial position of the extrusion block 423 can be adjusted by the telescopic rod 6 to match the position of the push block 422, and the extrusion force during straightening can also be adjusted. During the drawing process, external coolant is continuously introduced into the cooling chamber of the adjusting wheel 32 through the inlet 322 to cool the adjusting wheel 32 and ensure that the working temperature of the adjusting wheel 32 is stable. At the same time, the copper material is cooled. After being straightened by the adjusting device 3, the drawn copper material is transported out for subsequent processing.

[0050] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A copper wire drawing machine, comprising a drawing machine body (1), a die (2) disposed on the drawing machine body (1), and a drawing roller disposed on the drawing machine body (1) for drawing copper material, characterized in that, The drawing machine body (1) is provided with an adjustment device (3). The adjustment device (3) includes a mounting frame (31) on the drawing machine body (1) and a plurality of adjustment wheels (32) on the mounting frame (31). The plurality of adjustment wheels (32) are arranged around the central axis of the copper material. The adjustment wheels (32) slide along the radial direction of the copper material and are fitted to the mounting frame (31). A gap is formed between the plurality of adjustment wheels (32) for the copper material to pass through. The plurality of adjustment wheels (32) are used to straighten the copper material. The drawing machine body (1) is provided with a pushing device (4). The pushing device (4) includes a pushing mechanism for driving the plurality of adjustment wheels (32) to move closer to the copper material and a resetting component (41) for driving the adjustment wheels (32) to move away from the copper material. When the end of the copper material moves to the gap between the plurality of adjustment wheels (32) after drawing, the pushing mechanism drives the plurality of adjustment wheels (32) to move closer to the copper material. The plurality of adjustment wheels (32) simultaneously squeeze and straighten the copper material.

2. The copper wire drawing machine according to claim 1, characterized in that, The pushing mechanism includes a pushing component (42) for driving the adjustment wheel (32) to move and a driving component (43) for driving the pushing component (42) to move. The pushing component (42) includes a pushing frame (421) for driving the adjustment wheel (32) to move, a pushing block (422) mounted on the pushing frame (421), and a pressing block (423) for pressing the pushing block (422). The adjustment wheel (32) is disposed on the pushing frame (421).

3. A copper wire drawing machine according to claim 2, characterized in that, The drive assembly (43) includes a rotating gear ring (431) for driving the extrusion block (423) to rotate along the central axis of the copper material, a rotating gear (432) meshing with the rotating gear ring (431), and a drive member (433) disposed on the drawing machine body (1) for driving the rotating gear (432) to rotate. The extrusion block (423) is installed on the inner wall of the rotating gear ring (431).

4. A copper wire drawing machine according to claim 2, characterized in that, The reset assembly (41) includes a telescopic rod (411) disposed on the push frame (421) and an elastic element (412) sleeved on the telescopic rod (411). One end of the elastic element (412) is connected to the push frame (421) and is used to drive the push frame (421) to move away from the copper material.

5. A copper wire drawing machine according to claim 4, characterized in that, The mounting bracket (31) is provided with an adjustment device (5), which includes a fixed bracket (51) mounted on the mounting bracket (31) and an adjustment component (52) for driving the telescopic rod (411) to slide along the radial direction of the copper material.

6. A copper wire drawing machine according to claim 5, characterized in that, The adjustment assembly (52) includes an adjustment block (521) that slides along the radial direction of the copper material on the fixed frame (51) and a screw (522) that is threaded onto the adjustment block (521). The screw (522) is rotatably fitted onto the fixed frame (51). One end of the adjustment block (521) is connected to both the elastic element (412) and the telescopic rod (411).

7. A copper wire drawing machine according to claim 3, characterized in that, The inner wall of the rotating toothed ring (431) is equipped with a telescopic rod 2 (6) for driving the extrusion block (423) to slide along the radial direction of the copper material. One end of the telescopic rod 2 (6) is connected to the rotating toothed ring (431), and the other end is connected to the extrusion block (423).

8. A copper wire drawing machine according to claim 2, characterized in that, The adjusting wheel (32) rotates in conjunction with the pusher frame (421).

9. A copper wire drawing machine according to claim 1, characterized in that, The adjusting wheel (32) has an arc-shaped groove (321) that is adapted to the outer circumferential surface of the copper material, and the arc-shaped groove (321) can fit into the copper material.

10. A copper wire drawing machine according to claim 1, characterized in that, The adjusting wheel (32) has a cooling chamber for storing coolant, and the adjusting wheel (32) has a liquid inlet (322) that communicates with the cooling chamber.

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