Metal wire drawing machine capable of controlling tension

Abstract

The utility model relates to the technical field of metal wire drawing machines, in particular to a metal wire drawing machine capable of controlling tension. Comprising a box body, an unwinding roller is arranged in the box body, a metal plate is wound on the unwinding roller, two first limiting rollers are rotationally installed in the box body, a U-shaped support is arranged in the box body, two hydraulic cylinders are fixedly installed at the top of the box body, and output rods of the hydraulic cylinders extend into the box body and are fixed to the top of the U-shaped support; a U-shaped support is arranged in the box body, a grinding roller is rotatably mounted in the U-shaped support, two mounting plates are arranged in the box body, two second limiting rollers are arranged in the box body and rotatably mounted on the two mounting plates, and the metal plate is wound on the two first limiting rollers and the two second limiting rollers. Through a simple tension adjusting structure, the tension of the metal plates can be effectively controlled conveniently, the tension of the metal plates with different thicknesses can be controlled, and the wire drawing effect of the metal plates with different thicknesses can be improved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of metal wire drawing machines, in particular to a metal wire drawing machine with controllable tension. Background Art

[0002] Metal wire drawing machine is a kind of mechanical equipment that performs wire drawing on the metal surface, forming lines on the workpiece surface by grinding products to achieve decorative effects. Metal wire drawing can reflect the texture of metal materials, and metal wire drawing products are widely used in the fields of automobile, furniture and home appliance manufacturing. The current metal wire drawing machine mainly includes a grinding mechanism, a metal sheet conveying mechanism and a limiting mechanism. The prior art discloses a tension-controllable metal wire drawing machine with an authorization announcement number of CN221290692U, which includes a frame, a support and a wire wheel. A conveyor belt is arranged between the frame and the support, the wire wheel is arranged directly above the conveyor belt, and two groups of pressure wheels are symmetrically arranged on both sides of the wire wheel. The two groups of pressure wheels are rotatably arranged at the outer end of the guide rod, and the transmission roller is driven to rotate by the servo motor, so that the metal can be automatically moved to the bottom of the wire wheel for wire drawing processing, and manual control of the processing is not required, thereby improving work efficiency. The pressure wheel is used to limit the processed metal, and the height of the pressure wheel can be adjusted according to the specifications of the metal. The height control of the guide rod can be automatically completed by the electric telescopic rod, and the height of the pressure wheel can be adjusted by sliding the guide rod in the guide groove, thereby achieving the function of controlling the tension.

[0003] However, it was found during use that the tension adjustment pressure wheel of the above design was located above the conveying structure, resulting in limited tension adjustment effect on the metal sheet, making it difficult to meet the tension control requirements for metal sheets of different thicknesses, and not conducive to improving the wire drawing effect of metal sheets of different thicknesses. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a metal wire drawing machine with controllable tension, which is convenient for effectively controlling the tension of metal sheets, can meet the control of the tension of metal sheets with different thicknesses, is convenient for improving the wire drawing effect of metal sheets with different thicknesses, and solves the problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: a tension-controllable metal wire drawing machine, comprising a box body, a unwinding roller is provided in the box body, a metal sheet is wound around the unwinding roller, two first limiting rollers are rotatably installed in the box body, a U-shaped bracket is provided in the box body, two hydraulic cylinders are fixedly installed on the top of the box body, the output rods of the hydraulic cylinders extend into the box body and are fixed on the top of the U-shaped bracket, a grinding roller is rotatably installed in the U-shaped bracket, two mounting plates are provided in the box body, two second limiting rollers are provided in the box body, the second limiting rollers are rotatably installed on the two mounting plates, the metal sheet is wound around the two first limiting rollers and the two second limiting rollers, the grinding roller is in contact with the top of the metal sheet, and two cross plates are fixedly installed on the two mounting plates , a first U-shaped frame is fixedly installed at the bottom of the two horizontal plates, and a second U-shaped frame is fixedly installed on the bottom inner wall of the box body, and the first U-shaped frame is slidably installed in the second U-shaped frame, and a first screw rod is threaded through the first U-shaped frame, and a groove is opened at the bottom of the second U-shaped frame, and the bottom end of the first screw rod extends into the groove and is provided with a first bevel gear, and the first rotating rod is rotatably installed on one side of the second U-shaped frame, and one end of the first rotating rod extends into the groove and is provided with a second bevel gear, and the second bevel gear is meshed with the first bevel gear, and connecting plates are provided at both ends of the grinding roller, and rotating shafts are rotatably installed on both sides of the U-shaped bracket, one end of the rotating shaft is fixed on the corresponding connecting plate, and a motor is provided on one side of the U-shaped bracket, and the output shaft of the motor is fixed on the corresponding rotating shaft.

[0006] As a further improvement of the above technical solution: the connecting plate also includes a circular groove, which is opened on one side of the connecting plate, and a slide plate is slidably installed in the circular groove. Two clamping grooves are opened at both ends of the grinding roller, and clamping rods are slidably installed in the clamping grooves. The clamping rods are fixed on the corresponding slide plates, and a second screw rod is threadedly installed on the slide plate. A chamber is opened on the connecting plate, one end of the second screw rod extends into the chamber and is provided with a third bevel gear, a second rotating rod is rotatably passed through the connecting plate, the second rotating rod rotatably passes through the chamber and is fixedly sleeved with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.

[0007] The beneficial effect of this improvement is that, through such an arrangement, the grinding roller can be quickly assembled and disassembled, and then the grinding roller can be quickly replaced, which can effectively ensure the wire drawing effect of the grinding roller.

[0008] As a further improvement of the above technical solution: two third limiting rollers are rotatably installed in the box body, the metal plate is located between the two third limiting rollers, two first through holes are penetrated on the top inner wall of the box body, and the output rod of the hydraulic cylinder slides through the corresponding first through holes.

[0009] The beneficial effect of this improvement is that by providing the third limiting roller, it is convenient to limit the position of the metal sheet.

[0010] As a further improvement of the above technical solution: sliding grooves are provided on the inner walls on both sides of the second U-shaped frame, and sliding blocks are slidably installed in the sliding grooves, and the sliding blocks are fixed on the first U-shaped frame.

[0011] The beneficial effect of this improvement is that by providing the sliding groove and the sliding block, it is convenient to limit the first U-shaped frame.

[0012] As a further improvement of the above technical solution: a second through hole is penetrated on the top inner wall of the groove, a third through hole is penetrated on the inner wall of one side of the groove, the first screw rod rotates through the second through hole, the first rotating rod rotates through the third through hole, and a circular plate is fixedly installed on the top end of the first screw rod.

[0013] The beneficial effect of this improvement is that by providing the second through hole and the third through hole, it is convenient to support and limit the first screw rod and the first rotating rod.

[0014] As a further improvement of the above technical solution: fourth through holes are penetrated on both side inner walls of the U-shaped bracket, and the rotating shaft rotates and penetrates the corresponding fourth through holes.

[0015] The beneficial effect of this improvement is that by providing the fourth through hole, it is convenient to support and limit the rotating shaft.

[0016] As a further improvement of the above technical solution: limiting grooves are provided on the top and bottom inner walls of the circular groove, limiting blocks are slidably installed in the limiting grooves, the limiting blocks are fixed on the slide plate, a threaded through hole is penetrated on the slide plate, and the second screw rod is threadedly installed in the threaded through hole.

[0017] The beneficial effect of this improvement is that by setting the limiting groove and the limiting block, the sliding plate can be easily limited.

[0018] As a further improvement of the above technical solution: a fifth through hole is penetrated between the chamber and the circular groove, the second screw rod rotates and penetrates the fifth through hole, sixth through holes are penetrated on the top and bottom inner walls of the chamber, the second rotating rod rotates and penetrates the two sixth through holes, rotating plates are fixedly installed at both ends of the second rotating rod, annular anti-slip pads are fixedly installed on the rotating plates, and the annular anti-slip pads are in contact with the connecting plate.

[0019] The beneficial effect of this improvement is that by providing the fifth through hole and the sixth through hole, it is convenient to support and limit the second screw rod and the second rotating rod.

[0020] The beneficial effects of the utility model are: through a simple tension adjustment structure, the tension of the metal sheet can be effectively controlled, which can meet the control of the tension of the metal sheets with different thicknesses, thereby facilitating the improvement of the wire drawing effect of the metal sheets with different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0023] Figure 3 It is a schematic diagram of a three-dimensional cross-sectional assembly structure of the horizontal plate and the first U-shaped frame in the utility model;

[0024] Figure 4 It is a side cross-sectional structural schematic diagram of the grinding and drawing mechanism in the utility model;

[0025] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure of part B;

[0026] Figure 6 It is a schematic diagram of the three-dimensional sectional combined assembly structure of the slide plate and the clamping rod in the utility model.

[0027] In the figure: 1. box body; 2. unwinding roller; 3. metal sheet; 4. first limiting roller; 5. U-shaped bracket; 6. hydraulic cylinder; 7. grinding roller; 8. mounting plate; 9. second limiting roller; 10. cross plate; 11. first U-shaped frame; 12. second U-shaped frame; 13. first screw rod; 14. groove; 15. first bevel gear; 16. first rotating rod; 17. second bevel gear; 18. rotating shaft; 19. connecting plate; 20. circular groove; 21. slide plate; 22. slot; 23. clamping rod; 24. second screw rod; 25. chamber; 26. third bevel gear; 27. second rotating rod; 28. fourth bevel gear; 29. ​​motor. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0029] like Figure 1-Figure 6As shown, a tension-controllable metal wire drawing machine comprises a box body 1, wherein an unwinding roller 2 is arranged in the box body 1, a metal sheet 3 is wound on the unwinding roller 2, two first limiting rollers 4 are rotatably installed in the box body 1, a U-shaped bracket 5 is arranged in the box body 1, two hydraulic cylinders 6 are fixedly installed on the top of the box body 1, the output rods of the hydraulic cylinders 6 extend into the box body 1 and are fixed on the top of the U-shaped bracket 5, a grinding roller 7 is rotatably installed in the U-shaped bracket 5, two mounting plates 8 are arranged in the box body 1, two second limiting rollers 9 are arranged in the box body 1, the second limiting rollers 9 are rotatably installed on the two mounting plates 8, the metal sheet 3 is wound on the two first limiting rollers 4 and the two second limiting rollers 9, the grinding roller 7 and the metal sheet 3 The top contact, two horizontal plates 10 are fixedly installed on the two mounting plates 8, a first U-shaped frame 11 is fixedly installed on the bottom of the two horizontal plates 10, a second U-shaped frame 12 is fixedly installed on the bottom inner wall of the box body 1, the first U-shaped frame 11 is slidably installed in the second U-shaped frame 12, a first screw rod 13 is threaded through the first U-shaped frame 11, a groove 14 is opened at the bottom of the second U-shaped frame 12, the bottom end of the first screw rod 13 extends into the groove 14 and is provided with a first bevel gear 15, a first rotating rod 16 is rotatably installed on one side of the second U-shaped frame 12, one end of the first rotating rod 16 extends into the groove 14 and is provided with a second bevel gear 17, the second bevel gear 17 is meshed with the first bevel gear 15, the grinding roller 7 Both ends of the U-shaped bracket 5 are provided with connecting plates 19, both sides of the U-shaped bracket 5 are rotatably installed with rotating shafts 18, one end of the rotating shaft 18 is fixed on the corresponding connecting plate 19, and one side of the U-shaped bracket 5 is provided with a motor 29, and the output shaft of the motor 29 is fixed on the corresponding rotating shaft 18. Through a simple tension adjustment structure, it is convenient to effectively control the tension of the metal plate 3, which can meet the control of the tension of metal plates 3 with different thicknesses, and thus facilitate to improve the wire drawing effect of metal plates 3 with different thicknesses. The connecting plate 19 also includes a circular groove 20, which is opened on one side of the connecting plate 19, and a slide plate 21 is slidably installed in the circular groove 20. Two card grooves 22 are opened at both ends of the grinding roller 7, and a The clamping rod 23 is fixed on the corresponding slide plate 21, and a second screw rod 24 is threadedly installed on the slide plate 21. A chamber 25 is opened on the connecting plate 19, and one end of the second screw rod 24 extends into the chamber 25 and is provided with a third bevel gear 26. A second rotating rod 27 is rotatably passed through the connecting plate 19, and the second rotating rod 27 rotates through the chamber 25 and is fixedly sleeved with a fourth bevel gear 28, and the fourth bevel gear 28 is meshed with the third bevel gear 26. Through such an arrangement, it is convenient to quickly assemble and disassemble the grinding roller 7, and then to quickly replace the grinding roller 7, which can effectively ensure the wire drawing effect of the grinding roller 7. Two third limiting rollers are rotatably installed in the box body 1, and the metal plate 3 is located between the two third limiting rollers.The top inner wall of the box body 1 is penetrated with two first through holes, and the output rod of the hydraulic cylinder 6 slides through the corresponding first through holes. By setting the third limiting roller, it is convenient to limit the metal plate 3. Slide grooves are opened on the inner walls on both sides of the second U-shaped frame 12, and sliders are slidably installed in the slide grooves. The sliders are fixed on the first U-shaped frame 11. By setting the slide grooves and the sliders, it is convenient to limit the first U-shaped frame 11. The top inner wall of the groove 14 is penetrated with a second through hole, and the inner wall of one side of the groove 14 is penetrated with a third through hole. The first screw rod 13 rotates and penetrates the second through hole, and the first rotating rod 16 rotates and penetrates the third through hole. A circular plate is fixedly installed on the top of the first screw rod 13. By setting the second through hole and the third through hole, it is convenient to support and limit the first screw rod 13 and the first rotating rod 16. Fourth through holes are penetrated on the inner walls on both sides of the U-shaped bracket 5, and the rotating shaft 18 rotates and penetrates the corresponding The fourth through hole is provided so as to facilitate the support and position limiting of the rotating shaft 18. The top and bottom inner walls of the circular groove 20 are provided with position limiting grooves. The position limiting blocks are slidably installed in the position limiting grooves. The position limiting blocks are fixed on the slide plate 21. The slide plate 21 is penetrated with a threaded through hole. The second screw rod 24 is threadedly installed in the threaded through hole. The position limiting grooves and the position limiting blocks are provided so as to facilitate the position limiting of the slide plate 21. A fifth through hole is provided between the chamber 25 and the circular groove 20. The second screw rod 24 rotates through the fifth through hole. The top and bottom inner walls of the chamber 25 are penetrated with a sixth through hole. The second rotating rod 27 rotates through the two sixth through holes. Rotating plates are fixedly installed at both ends of the second rotating rod 27. An annular anti-skid pad is fixedly installed on the rotating plate. The annular anti-skid pad contacts the connecting plate 19. The fifth through hole and the sixth through hole are provided so as to facilitate the support and position limiting of the second screw rod 24 and the second rotating rod 27.

[0030] The working principle of the utility model is as follows: when in use, the metal sheet 3 on the unwinding roller 2 is firstly drawn out and wound on two first limiting rollers 4, two second limiting rollers 9 and two third limiting rollers, and then one end of the metal sheet 3 is connected to the winding mechanism, and then the first rotating rod 16 is rotated, the first rotating rod 16 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the first screw rod 13 to rotate, and the first screw rod 13 drives the first U-shaped frame 11 to slide in the second U-shaped frame 12 The two horizontal plates 10, the two mounting plates 8 and the two second limiting rollers 9 are lifted, so that the metal sheet 3 is tensioned to a suitable tension, and then the two hydraulic cylinders 6 are turned on, so that the U-shaped bracket 5 is driven to descend, and the grinding roller 7 is driven to descend to be in close contact with the top of the metal sheet 3, and then the motor 29 is turned on, and the output shaft of the motor 29 drives the corresponding rotating shaft 18 to rotate, the rotating shaft 18 drives the connecting plate 19 to rotate, the connecting plate 19 drives the grinding roller 7 to rotate, and the grinding roller 7 drives another connecting plate 19 and the rotating shaft 18 to rotate , and then the metal sheet 3 is rolled up by the winding mechanism, so that the metal sheet 3 is continuously pulled, and at the same time, the rotating grinding roller 7 performs wire drawing on the metal sheet 3. Through such a configuration, it is convenient to effectively control the tension of the metal sheet 3, which can meet the control of the tension of the metal sheets 3 with different thicknesses, and thus it is convenient to improve the wire drawing effect of the metal sheets 3 with different thicknesses. When the grinding roller 7 needs to be replaced, the two second rotating rods 27 are first rotated, and the second rotating rods 27 drive the fourth bevel gear 28 to rotate, and the fourth bevel gear 28 drives the third bevel gear 26 to rotate, and the third bevel gear 26 drives the second screw rod 24 to rotate, so that the slide plate 21 is driven to slide into the corresponding circular groove 20, and at the same time, the slide plate 21 drives the two clamping rods 23 to slide out of the corresponding clamping grooves 22 respectively, so that the fixation of the grinding roller 7 is released, and then the grinding roller 7 is pulled, so that the grinding roller 7 slides away from the two connecting plates 19. Through such a configuration, it is convenient to quickly assemble and disassemble the grinding roller 7, and then it is convenient to quickly replace the grinding roller 7, which can effectively ensure the wire drawing effect of the grinding roller 7.

[0031] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A tension-controllable metal wire drawing machine, comprising a housing (1), characterized in that: The box body (1) is provided with an unwinding roller (2), a metal plate (3) is wound around the unwinding roller (2), two first limit rollers (4) are rotatably mounted in the box body (1), a U-shaped bracket (5) is provided in the box body (1), two hydraulic cylinders (6) are fixedly mounted on the top of the box body (1), the output rods of the hydraulic cylinders (6) extend into the box body (1) and are fixed to the top of the U-shaped bracket (5), a grinding roller (7) is rotatably mounted in the U-shaped bracket (5), and the box body (1) is provided with Two mounting plates (8), two second limiting rollers (9) are arranged in the box body (1), the second limiting rollers (9) are rotatably mounted on the two mounting plates (8), the metal plate (3) is wound around the two first limiting rollers (4) and the two second limiting rollers (9), the grinding roller (7) is in contact with the top of the metal plate (3), two transverse plates (10) are fixedly mounted on the two mounting plates (8), the bottom of the two transverse plates (10) is fixedly mounted with a first U-shaped frame (11), the box body (1 ), a second U-shaped frame (12) is fixedly mounted on the bottom inner wall of the first U-shaped frame (11), the first U-shaped frame (11) is slidably mounted in the second U-shaped frame (12), a first screw rod (13) is threadedly penetrated on the first U-shaped frame (11), a groove (14) is provided at the bottom of the second U-shaped frame (12), the bottom end of the first screw rod (13) extends into the groove (14) and is provided with a first bevel gear (15), a first rotating rod (16) is rotatably mounted on one side of the second U-shaped frame (12), and the first rotating rod (16) is rotatably mounted on the first rotating rod (16). One end of the U-shaped bracket (5) extends into the groove (14) and is provided with a second bevel gear (17), the second bevel gear (17) is meshed with the first bevel gear (15), both ends of the grinding roller (7) are provided with connecting plates (19), both sides of the U-shaped bracket (5) are rotatably mounted with a rotating shaft (18), one end of the rotating shaft (18) is fixed to the corresponding connecting plate (19), and one side of the U-shaped bracket (5) is provided with a motor (29), the output shaft of the motor (29) is fixed to the corresponding rotating shaft (18).

2. A tension-controllable metal wire drawing machine according to claim 1, characterized in that: The connecting plate (19) further comprises a circular groove (20), wherein the circular groove (20) is provided on one side of the connecting plate (19), a slide plate (21) is slidably mounted in the circular groove (20), two clamping grooves (22) are provided at both ends of the grinding roller (7), a clamping rod (23) is slidably mounted in the clamping groove (22), the clamping rod (23) is fixed on the corresponding slide plate (21), a second screw rod (24) is threadedly mounted on the slide plate (21), a chamber (25) is provided on the connecting plate (19), one end of the second screw rod (24) extends into the chamber (25) and is provided with a third bevel gear (26), a second rotating rod (27) is rotatably passed through the connecting plate (19), the second rotating rod (27) rotatably passes through the chamber (25) and is fixedly sleeved with a fourth bevel gear (28), the fourth bevel gear (28) is meshed with the third bevel gear (26).

3. A tension-controllable metal wire drawing machine according to claim 1, characterized in that: Two third limiting rollers are rotatably installed in the box body (1), the metal plate (3) is located between the two third limiting rollers, two first through holes are penetrated on the top inner wall of the box body (1), and the output rod of the hydraulic cylinder (6) slides through the corresponding first through holes.

4. A tension-controllable metal wire drawing machine according to claim 1, characterized in that: Slide grooves are provided on both inner walls of the second U-shaped frame (12), and sliding blocks are slidably installed in the slide grooves. The sliding blocks are fixed on the first U-shaped frame (11).

5. A tension-controllable metal wire drawing machine according to claim 1, characterized in that: A second through hole is penetrated on the top inner wall of the groove (14), a third through hole is penetrated on the inner wall of one side of the groove (14), the first screw rod (13) rotates to penetrate the second through hole, the first rotating rod (16) rotates to penetrate the third through hole, and a circular plate is fixedly mounted on the top end of the first screw rod (13).

6. A tension-controllable metal wire drawing machine according to claim 1, characterized in that: Fourth through holes are penetrated on both inner walls of the U-shaped bracket (5), and the rotating shaft (18) rotates and penetrates the corresponding fourth through holes.

7. A tension-controllable metal wire drawing machine according to claim 2, characterized in that: Limiting grooves are provided on the inner walls of the top and bottom of the circular groove (20), and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are fixed on the slide plate (21), and a threaded through hole is penetrated on the slide plate (21), and the second screw rod (24) is threadedly installed in the threaded through hole.

8. A tension-controllable metal wire drawing machine according to claim 2, characterized in that: A fifth through hole is penetrated between the chamber (25) and the circular groove (20), the second screw rod (24) rotates and penetrates the fifth through hole, sixth through holes are penetrated on the top and bottom inner walls of the chamber (25), the second rotating rod (27) rotates and penetrates the two sixth through holes, and rotating plates are fixedly installed at both ends of the second rotating rod (27), and an annular anti-skid pad is fixedly installed on the rotating plate, and the annular anti-skid pad is in contact with the connecting plate (19).

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