Cold pressing and slitting integrated equipment

Abstract

The invention discloses cold pressing and slitting integrated equipment, and relates to the technical field of battery pole piece manufacturing equipment. An unwinding mechanism is arranged at the upper end of the workbench, a pole piece roll is arranged on the unwinding mechanism, a rebound lowering mechanism is arranged on the right side of the unwinding mechanism, a cold pressing mechanism is arranged on the right side of the rebound lowering mechanism, and a slitting mechanism is arranged on the right side of the cold pressing mechanism. The device integrates a plurality of functions of an unwinding mechanism, a rebound reducing mechanism, a cold pressing mechanism, a slitting mechanism and the like, so that the integration level and the production efficiency of a production line are remarkably improved, material transfer and manual intervention among equipment are reduced, and the production cost is reduced; the electric heating pipes are used for heating the side walls of the first pre-pressing cylinder and the second pre-pressing cylinder, and preheating is carried out while the pole piece is rolled, so that the forming stress of the pole piece is released, the wrinkle rate of the rolled pole piece is reduced, and the rebound is effectively reduced; polishing can be conducted through the front polishing piece and the rear polishing piece, operation is safer, and meanwhile the flatness of the section of the pole piece is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of battery pole piece manufacturing equipment, and in particular to a cold pressing and slitting integrated equipment. Background Art

[0002] In the field of lithium battery manufacturing, the processing of battery pole pieces is a key link. Battery pole pieces are the core part of the battery, including the positive electrode and the negative electrode, and are an important link in the conversion of chemical energy into electrical energy. They are mainly composed of active material particles, carbon gel phase mixed with conductive agents and binders, pores, and metal foil current collectors. The mechanical stability of battery pole pieces has an important influence on the battery, and its material composition and structural design directly affect the electrochemical performance and safety of the battery.

[0003] Traditional battery pole piece processing equipment usually includes multiple independent units, such as unwinding units, cleaning units, cold pressing units and slitting units. Frequent material transfer and manual intervention are required between these units, resulting in low production efficiency and difficult to ensure processing quality. In order to solve this problem, some integrated battery pole piece processing equipment has appeared on the market, but these equipment often have problems such as complex structure, high cost and difficult maintenance.

[0004] Therefore, the present application proposes a cold pressing and slitting integrated device to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a cold pressing and slitting integrated device to solve the technical problems raised in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a cold pressing and slitting integrated device, comprising a workbench, a reeling mechanism is arranged at the upper end of the workbench, a pole piece roll is arranged on the reeling mechanism, a rebound reducing mechanism is arranged on the right side of the reeling mechanism, a cold pressing mechanism is arranged on the right side of the rebound reducing mechanism, and a slitting mechanism is arranged on the right side of the cold pressing mechanism; The rebound reduction mechanism includes a pre-compression cylinder 1 and a pre-compression cylinder 2, wherein the pre-compression cylinder 2 is located directly above the pre-compression cylinder 1, and the rear sides of the pre-compression cylinder 1 and the pre-compression cylinder 2 are both provided with electric heating tubes, and the front ends of the two electric heating tubes respectively penetrate the rear side walls of the pre-compression cylinder 1 and the pre-compression cylinder 2, and extend to the inner sides of the pre-compression cylinder 1 and the pre-compression cylinder 2; The cold pressing mechanism comprises a main cold pressing roller, and auxiliary cold pressing rollers are arranged obliquely above the left and right sides of the main cold pressing roller; The slitting mechanism includes a slitting roller and a slitting knife. The slitting roller passes through the slitting knife and is fixedly connected to the slitting knife. A support frame is arranged below the slitting roller. A through hole is opened on the upper side wall of the support frame. The lower end of the slitting knife extends into the through hole.

[0007] Preferably, the rebound reducing mechanism also includes two auxiliary plates 1, the auxiliary plate 1 is fixed on the upper surface of the workbench, the front and rear side ends of the pre-stressing cylinder 1 are respectively rotatably connected to the adjacent side walls of the front and rear auxiliary plates 1, the front side end of the front auxiliary plate 1 is fixedly connected to a pre-stressing motor 1, the output end of the pre-stressing motor 1 passes through the front auxiliary plate 1 and is fixedly connected to the front side end of the pre-stressing cylinder 1, a movable block is arranged above the auxiliary plate 1, the front and rear ends of the pre-stressing cylinder 2 are respectively rotatably connected to the adjacent side walls of the front and rear two movable blocks, a pre-stressing motor 2 is arranged on the front side of the front movable block, the output end of the pre-stressing motor 2 passes through the front movable block and is fixedly connected to the front side end of the pre-stressing cylinder 2.

[0008] Preferably, a baffle is provided above the movable block, and limiting slide bars are fixedly connected to the left and right sides of the lower surface of the baffle, the lower end of the limiting slide bar passes through the movable block and is fixedly connected to the upper end of the auxiliary plate, and an abutment spring is provided on the limiting slide bar, and the upper and lower ends of the abutment spring are respectively fixedly connected to the baffle and the adjacent side walls of the movable block.

[0009] Preferably, the cold pressing mechanism also includes two auxiliary plates two, the auxiliary plate two are fixed on the workbench, the front and rear ends of the main cold pressing roller are respectively rotatably connected to the adjacent side walls of the two auxiliary plates two, a cold pressing drive motor is arranged on the front side of the front auxiliary plate two, the output end of the cold pressing drive motor passes through the front auxiliary plate two and is fixedly connected to the front side end of the main cold pressing roller, and movable slideways are symmetrically provided on the left and right sides of the auxiliary plate two, a U-shaped connecting frame is arranged on the side of the auxiliary plate two away from the main cold pressing roller, the left and right side walls of the front and rear two connecting frames pass through the movable slideway and are rotatably connected to the front and rear ends of the two auxiliary cold pressing rollers, the upper end of the auxiliary plate two is fixedly connected to a pressure regulating electric push rod, the output end of the pressure regulating electric push rod is fixedly connected to a connecting plate, the lower end of the connecting plate is fixedly connected to a plurality of buffer springs one, and the lower end of the buffer spring one is fixedly connected to the upper surface of the connecting frame.

[0010] Preferably, an infrared distance measuring sensor is fixedly connected to the upper end of the workbench, and the infrared distance measuring sensor is located directly below the main cold pressing roller.

[0011] Preferably, the slitting mechanism also includes two auxiliary plates three and a lifting electric push rod, the auxiliary plate three and the lifting electric push rod are both fixed on the workbench, the front side end of the front auxiliary plate three is fixedly connected to the slitting motor, the output end of the slitting motor passes through the auxiliary plate three, and is fixedly connected to the front side end of the slitting roller, the rear side end of the slitting roller is rotatably connected to the front side wall of the rear auxiliary plate three, the front and rear ends of the support frame are respectively slidably connected to the adjacent side walls of the front and rear auxiliary plates three through limiting slide grooves, the output end of the lifting electric push rod is fixedly connected to the support plate, the upper end of the support plate is fixedly connected to a plurality of buffer springs two, and the upper end of the buffer spring two is fixedly connected to the lower end of the support frame.

[0012] Preferably, a grinding frame and a dust collector are provided on the inner side of the support frame, and the input end of the dust collector is connected to the grinding frame, and two movable plates and two grinding sheets are slidably connected on the lower inner wall of the grinding frame, and the two grinding sheets are located between the two movable plates, and the two grinding sheets are respectively located on the front and rear sides of the through hole, and an adjusting knob is provided on the front side of the grinding frame, and the rear end of the adjusting knob is fixedly connected with an adjusting screw rod, and the rear side end of the adjusting screw rod passes through the front side wall of the grinding frame, the two movable plates and the two grinding sheets, and is rotatably connected to the rear inner wall of the grinding frame, the adjusting screw rod is threadedly connected to the movable plate, and the thread directions of the two movable plates and the adjusting screw rod are opposite, and a buffer spring three is provided between the movable plate and the grinding sheet, and the two ends of the buffer spring three are respectively fixedly connected to the movable plate and the adjacent side walls of the grinding sheet.

[0013] Compared with the related art, the cold pressing and slitting integrated equipment provided by the present invention has the following beneficial effects: 1. This equipment integrates multiple functions such as unwinding mechanism, rebound reduction mechanism, cold pressing mechanism and slitting mechanism, which significantly improves the integration and production efficiency of the production line, reduces material transfer and manual intervention between equipment, and reduces production costs. A rebound reduction mechanism is provided in the unwinding mechanism and the cold pressing mechanism, and a pre-pressing cylinder 1 and a pre-pressing cylinder 2 are provided in the rebound reduction mechanism. Electric heating tubes are provided in the pre-pressing cylinder 1 and the pre-pressing cylinder 2. When in use, the electric heating tube is used to heat the side walls of the pre-pressing cylinder 1 and the pre-pressing cylinder 2, and the pole piece is preheated while being rolled, thereby releasing the forming stress of the pole piece, reducing the wrinkle rate of the pole piece after rolling, effectively reducing rebound, and the pole piece is qualitatively cold pressed by the subsequent cold pressing mechanism.

[0014] 2. This equipment uses an infrared ranging sensor to measure the distance before and after processing, and the difference obtained is the thickness of the electrode. The measured electrode thickness value is used to judge whether the cold pressing meets the requirements. According to the thickness of the electrode after cold pressing, the pressure-adjusting electric push rod drives the connecting plate and the connecting frame to move downward, and then drives the two auxiliary cold pressing rollers to move closer to the main cold pressing roller, and adjusts the cold pressing pressure to ensure the cold pressing effect.

[0015] 3. This equipment has a grinding frame provided below the slitting knife in the slitting mechanism, and two grinding plates are provided on the inner side of the grinding frame. When the slitting knife needs to be polished, the adjusting knob is rotated to drive the adjusting screw to rotate, thereby driving the two movable plates and the two grinding plates to approach each other. Grinding can be performed using the front and rear grinding plates, which makes the operation safer. A vacuum cleaner is provided on the outside to absorb the grinding debris to avoid affecting the pole piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle; Figure 3 For the present invention Figure 2 Enlarged view of point B in the middle; Figure 4 It is a schematic diagram of the overall structure of the present invention from another angle; Figure 5 It is a schematic diagram of the cutaway structure of the present invention; Figure 6 For the present invention Figure 5 Enlarged view of point C in the middle; Figure 7 It is a structural schematic diagram of the slitting mechanism of the present invention; Figure 8 It is a schematic cross-sectional structural diagram of the slitting mechanism of the present invention; Fig. 9 For the present invention Figure 8 Enlarged view of point D in the middle.

[0017] In the figure: 1. workbench; 2. unwinding mechanism; 3. pole piece roll; 4. rebound reduction mechanism; 5. cold pressing mechanism; 6. infrared distance sensor; 7. slitting mechanism; 8. auxiliary plate 1; 9. pre-pressing cylinder 1; 10. pre-pressing motor 1; 11. movable block; 12. baffle; 13. limit slide bar; 14. pre-pressing cylinder 2; 15. abutment spring; 16. pre-pressing motor 2; 17. electric heating tube; 18. auxiliary plate 2; 19. main cold pressing roller; 20. auxiliary cold pressing roller; 21. connecting frame; 22. Movable slide; 23. Cold press drive motor; 24. Pressure regulating electric push rod; 25. Connecting plate; 26. Buffer spring one; 27. Auxiliary plate three; 28. Slitting roller; 29. ​​Slitting knife; 30. Support frame; 31. Through hole; 32. Lifting electric push rod; 33. Support plate; 34. Buffer spring two; 35. Grinding frame; 36. Vacuum cleaner; 37. Adjusting screw; 38. Adjusting knob; 39. Movable plate; 40. Grinding disc; 41. Buffer spring three; 42. Slitting motor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Embodiment 1: See also Figure 1-Figure 6 The present invention provides a technical solution: a cold pressing and slitting integrated device, comprising a workbench 1, a reeling mechanism 2 is arranged at the upper end of the workbench 1, a pole piece roll 3 is arranged on the reeling mechanism 2, a rebound reducing mechanism 4 is arranged on the right side of the reeling mechanism 2, a cold pressing mechanism 5 is arranged on the right side of the rebound reducing mechanism 4, and a slitting mechanism 7 is arranged on the right side of the cold pressing mechanism 5; The rebound reducing mechanism 4 includes a pre-compression cylinder 19 and a pre-compression cylinder 2 14, the pre-compression cylinder 2 14 is located directly above the pre-compression cylinder 19, and the rear sides of the pre-compression cylinder 19 and the pre-compression cylinder 2 14 are provided with electric heating tubes 17, and the front ends of the two electric heating tubes 17 respectively penetrate the rear side walls of the pre-compression cylinder 19 and the pre-compression cylinder 2 14, and extend to the inner sides of the pre-compression cylinder 19 and the pre-compression cylinder 2 14, and the rebound reducing mechanism 4 also includes two auxiliary plates 18, the auxiliary plate 18 is fixed on the upper surface of the workbench 1, and the front and rear side ends of the pre-compression cylinder 19 are respectively rotatably connected to the adjacent side walls of the front and rear side auxiliary plates 18, and the front side end of the front auxiliary plate 18 is fixedly connected to the pre-compression motor 10, and the pre-compression motor 10 The output end passes through the front auxiliary plate 18 and is fixedly connected to the front end of the pre-pressing cylinder 19. A movable block 11 is arranged above the auxiliary plate 8. The front and rear ends of the pre-pressing cylinder 14 are respectively rotatably connected to the adjacent side walls of the front and rear movable blocks 11. A pre-pressing motor 16 is arranged on the front side of the front movable block 11. The output end of the pre-pressing motor 16 passes through the front movable block 11 and is fixedly connected to the front end of the pre-pressing cylinder 14. When in use, the electric heating tube 17 is used to heat the side walls of the pre-pressing cylinder 19 and the pre-pressing cylinder 14, and the pole piece is preheated while being rolled, thereby releasing the forming stress of the pole piece, reducing the wrinkle rate of the pole piece after rolling, and effectively reducing rebound; A baffle plate 12 is arranged above the movable block 11, and the left and right sides of the lower surface of the baffle plate 12 are fixedly connected with limiting slide bars 13, the lower end of the limiting slide bar 13 passes through the movable block 11, and is fixedly connected to the upper end of the auxiliary plate 8, and an abutment spring 15 is arranged on the limiting slide bar 13, and the upper and lower ends of the abutment spring 15 are fixedly connected to the baffle plate 12 and the adjacent side walls of the movable block 11 respectively.

[0020] The cold pressing mechanism 5 includes a main cold pressing roller 19, and auxiliary cold pressing rollers 20 are arranged obliquely above the left and right sides of the main cold pressing roller 19; the cold pressing mechanism 5 also includes two auxiliary plates 18, the auxiliary plate 18 is fixed on the workbench 1, and the front and rear ends of the main cold pressing roller 19 are respectively rotatably connected with the adjacent side walls of the two auxiliary plates 18, and a cold pressing drive motor 23 is arranged on the front side of the front auxiliary plate 18, and the output end of the cold pressing drive motor 23 passes through the front auxiliary plate 18 and is fixedly connected to the front side end of the main cold pressing roller 19, and the auxiliary plate 18 is symmetrically provided with movable slideways 22 on the left and right sides, and a U-shaped connecting frame 21 is arranged on the side of the auxiliary plate 18 away from the main cold pressing roller 19, and the left and right side walls of the front and rear two connecting frames 21 pass through the movable slideway 22 and are connected to the two auxiliary cold pressing rollers. The front and rear ends of the pressing roller 20 are rotatably connected, and a pressure regulating electric push rod 24 is fixedly connected to the upper end of the auxiliary plate 18, and a connecting plate 25 is fixedly connected to the output end of the pressure regulating electric push rod 24, and a plurality of buffer springs 26 are fixedly connected to the lower end of the connecting plate 25, and the lower end of the buffer spring 26 is fixedly connected to the upper surface of the connecting frame 21. The device uses an infrared ranging sensor 6 to measure the thickness of the electrode piece, and judges whether it meets the requirements after cold pressing according to the measured thickness of the electrode piece. According to the thickness of the electrode piece after cold pressing, the connecting plate 25 and the connecting frame 21 are driven downward by the pressure regulating electric push rod 24, thereby driving the two auxiliary cold pressing rollers 20 to approach the main cold pressing roller 19, and then adjusting the cold pressing pressure, thereby ensuring the cold pressing effect.

[0021] Embodiment 2: See also Figure 1-9 As shown, based on the first embodiment, the present invention provides a technical solution: An infrared distance measuring sensor 6 is fixedly connected to the upper end of the workbench 1. The infrared distance measuring sensor 6 is located directly below the main cold pressing roller 19. The infrared distance measuring sensor 6 is used to measure the distance before and after processing, and the difference obtained is the thickness of the electrode.

[0022] The slitting mechanism 7 includes a slitting roller 28 and a slitting knife 29. The slitting roller 28 penetrates the slitting knife 29 and is fixedly connected to the slitting knife 29. After the slitting operation, the slitting roller 28 is used to re-press the position of the electrode cut by the slitting knife 29, and cooperates with the grinding sheet 40 to ensure the flatness of the incision. A support frame 30 is provided below the slitting roller 28. A through hole 31 is opened on the upper side wall of the support frame 30. The lower end of the slitting knife 29 extends into the through hole 31. The slitting mechanism 7 also includes two auxiliary plates 27 and a lifting electric push rod 32. The auxiliary plates 27 and the lifting electric push rod 32 are both fixed on the workbench 1. The front side end of the front auxiliary plate three 27 is fixedly connected with a slitting motor 42, the output end of the slitting motor 42 passes through the auxiliary plate three 27 and is fixedly connected with the front side end of the slitting roller 28, the rear side end of the slitting roller 28 is rotatably connected with the front side wall of the rear auxiliary plate three 27, the front and rear ends of the support frame 30 are respectively slidably connected with the adjacent side walls of the front and rear auxiliary plates three 27 through limiting sliding grooves, the output end of the lifting electric push rod 32 is fixedly connected with a support plate 33, the upper end of the support plate 33 is fixedly connected with a plurality of buffer springs two 34, and the upper end of the buffer spring two 34 is fixedly connected with the lower end of the support frame 30.

[0023] A grinding frame 35 and a vacuum cleaner 36 are provided on the inner side of the support frame 30, and the input end of the vacuum cleaner 36 is connected to the grinding frame 35. Two movable plates 39 and two grinding sheets 40 are slidably connected to the lower inner wall of the grinding frame 35. The two grinding sheets 40 are located between the two movable plates 39, and the two grinding sheets 40 are respectively located on the front and rear sides of the through hole 31. An adjusting knob 38 is provided on the front side of the grinding frame 35, and an adjusting screw 37 is fixedly connected to the rear end of the adjusting knob 38. The rear side end of the adjusting screw 37 penetrates the front side wall of the grinding frame 35, the two movable plates 39 and the two grinding sheets 40, and is rotatably connected to the rear inner wall of the grinding frame 35. The adjusting screw 37 is threadedly connected to the movable plate 39. The two movable plates The thread direction of the connection between 39 and the adjusting screw rod 37 is opposite, and a buffer spring three 41 is arranged between the movable plate 39 and the grinding sheet 40, and the two ends of the buffer spring three 41 are respectively fixedly connected to the adjacent side walls of the movable plate 39 and the grinding sheet 40. When it is necessary to grind the slitting knife 29, the adjusting knob 38 is rotated to drive the adjusting screw rod 37 to rotate, thereby driving the two movable plates 39 and the two grinding sheets 40 to approach each other, and the front and rear grinding sheets 40 can be used for grinding, so as to avoid the problem of rough incision of the slitting knife 29 due to long-term use. In addition, the grinding operation of the device is safer, and a vacuum cleaner 36 is arranged on the outside to absorb the grinding debris to avoid affecting the pole piece.

[0024] Working principle: When in use, place the pole piece roll 3 in the unwinding mechanism 2, pass one end of the pole piece roll 3 through the pre-pressing cylinder 2 14 and then pass between the pre-pressing cylinder 1 9 and the pre-pressing cylinder 2 14, then pass from the bottom of the pre-pressing cylinder 1 9 into the cold pressing mechanism 5, pass from above the left auxiliary cold pressing roller 20, enter through the gap between the left auxiliary cold pressing roller 20 and the main cold pressing roller 19, pass from between the right auxiliary cold pressing roller 20 and the main cold pressing roller 19, and pass from above the right auxiliary cold pressing roller 20 into the slitting mechanism 7, the pole piece is located between the support frame 30 and the slitting roller 28, and the slitting The knife 29 passes through the pole piece and extends into the through hole 31. The pole piece passes through the slitting mechanism 7 and then is rolled up by the external winding mechanism. An electric heating tube 17 is arranged in the pre-pressing cylinder 1 9 and the pre-pressing cylinder 2 14. When in use, the electric heating tube 17 is used to heat the side walls of the pre-pressing cylinder 1 9 and the pre-pressing cylinder 2 14, and preheats the pole piece while rolling it, thereby releasing the forming stress of the pole piece, reducing the wrinkle rate of the pole piece after rolling, and effectively reducing rebound. Then, the pole piece is subjected to cold pressing operation qualitatively through the subsequent cold pressing mechanism 5. The device uses an infrared ranging sensor 6 to measure the distance before processing. The distances between the two rollers are measured respectively, and the difference is the thickness of the electrode. The measured electrode thickness value is used to determine whether the cold pressing meets the requirements. According to the thickness of the electrode after the cold pressing product, the pressure-adjusting electric push rod 24 drives the connecting plate 25 and the connecting frame 21 to move downward, thereby driving the two auxiliary cold pressing rollers 20 to approach the main cold pressing roller 19, and adjusting the cold pressing pressure to ensure the cold pressing effect. A grinding frame 35 is provided below the slitting knife 29 in the slitting mechanism 7, and two grinding sheets 40 are provided on the inner side of the grinding frame 35. When the slitting knife 29 needs to be polished, the grinding frame 35 is provided. During grinding, the adjusting knob 38 is rotated to drive the adjusting screw 37 to rotate, thereby driving the two movable plates 39 and the two grinding discs 40 to approach each other, and grinding can be performed using the front and rear grinding discs 40 to avoid the problem of rough cuts caused by the slitting knife 29 being blunt due to long-term use. The grinding operation of the device is safer, and a vacuum cleaner 36 is arranged on the outside to absorb grinding debris to avoid affecting the electrode piece. At the same time, the slitting pressure roller 28 is used to re-press the position where the slitting knife 29 cuts the electrode piece, and cooperates with the grinding disc 40 to ensure the smoothness of the cut.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold pressing and slitting integrated device, comprising a workbench (1), characterized in that: An unwinding mechanism (2) is arranged at the upper end of the workbench (1), a pole piece roll (3) is arranged on the unwinding mechanism (2), a rebound reduction mechanism (4) is arranged on the right side of the unwinding mechanism (2), a cold pressing mechanism (5) is arranged on the right side of the rebound reduction mechanism (4), and a slitting mechanism (7) is arranged on the right side of the cold pressing mechanism (5); The rebound reduction mechanism (4) comprises a pre-compression cylinder 1 (9) and a pre-compression cylinder 2 (14), wherein the pre-compression cylinder 2 (14) is located directly above the pre-compression cylinder 1 (9), and the rear sides of the pre-compression cylinder 1 (9) and the pre-compression cylinder 2 (14) are both provided with electric heating tubes (17), and the front ends of the two electric heating tubes (17) respectively penetrate the rear side walls of the pre-compression cylinder 1 (9) and the pre-compression cylinder 2 (14), and extend to the inner sides of the pre-compression cylinder 1 (9) and the pre-compression cylinder 2 (14); The cold pressing mechanism (5) comprises a main cold pressing roller (19), and auxiliary cold pressing rollers (20) are arranged obliquely above the left and right sides of the main cold pressing roller (19); The slitting mechanism (7) comprises a slitting roller (28) and a slitting knife (29); the slitting roller (28) passes through the slitting knife (29) and is fixedly connected to the slitting knife (29); a support frame (30) is provided below the slitting roller (28); a through hole (31) is provided on an upper side wall of the support frame (30); and the lower end of the slitting knife (29) extends into the through hole (31).

2. The cold pressing and slitting integrated equipment according to claim 1, characterized in that: The rebound reduction mechanism (4) further comprises two auxiliary plates (8), wherein the auxiliary plates (8) are fixed on the upper surface of the workbench (1); the front and rear side ends of the pre-pressing cylinder (9) are respectively rotatably connected to the adjacent side walls of the front and rear auxiliary plates (8); the front side end of the front auxiliary plate (8) is fixedly connected to a pre-pressing motor (10); the output end of the pre-pressing motor (10) passes through the front auxiliary plate (8) and is fixedly connected to the front side end of the pre-pressing cylinder (9); a movable block (11) is arranged above the auxiliary plate (8); the front and rear ends of the pre-pressing cylinder (14) are respectively rotatably connected to the adjacent side walls of the front and rear two movable blocks (11); a pre-pressing motor (16) is arranged on the front side of the front movable block (11); the output end of the pre-pressing motor (16) passes through the front movable block (11) and is fixedly connected to the front side end of the pre-pressing cylinder (14).

3. The cold pressing and slitting integrated equipment according to claim 2, characterized in that: A baffle plate (12) is arranged above the movable block (11), and both left and right sides of the lower surface of the baffle plate (12) are fixedly connected to limiting slide bars (13), the lower end of the limiting slide bar (13) passes through the movable block (11) and is fixedly connected to the upper end of the auxiliary plate (8), and an abutment spring (15) is arranged on the limiting slide bar (13), and the upper and lower ends of the abutment spring (15) are respectively fixedly connected to the baffle plate (12) and the adjacent side walls of the movable block (11).

4. The cold pressing and slitting integrated equipment according to claim 1, characterized in that: The cold pressing mechanism (5) further comprises two auxiliary plates (18), wherein the auxiliary plates (18) are fixed on the workbench (1), and the front and rear ends of the main cold pressing roller (19) are respectively rotatably connected to the adjacent side walls of the two auxiliary plates (18), and a cold pressing drive motor (23) is arranged on the front side of the front auxiliary plate (18), and the output end of the cold pressing drive motor (23) passes through the front auxiliary plate (18) and is fixedly connected to the front side end of the main cold pressing roller (19), and movable slideways (22) are symmetrically provided on the left and right sides of the auxiliary plate (18), and the auxiliary plate (18) A U-shaped connecting frame (21) is provided on the side away from the main cold pressing roller (19), and the left and right side walls of the front and rear connecting frames (21) pass through the movable slideway (22) and are rotatably connected to the front and rear ends of the two auxiliary cold pressing rollers (20), and the upper end of the auxiliary plate 2 (18) is fixedly connected to a pressure regulating electric push rod (24), and the output end of the pressure regulating electric push rod (24) is fixedly connected to a connecting plate (25), and the lower end of the connecting plate (25) is fixedly connected to a plurality of buffer springs (26), and the lower end of the buffer springs (26) is fixedly connected to the upper surface of the connecting frame (21).

5. The cold pressing and slitting integrated equipment according to claim 4, characterized in that: An infrared distance measuring sensor (6) is fixedly connected to the upper end of the workbench (1), and the infrared distance measuring sensor (6) is located directly below the main cold pressing roller (19).

6. The cold pressing and slitting integrated equipment according to claim 1, characterized in that: The slitting mechanism (7) further comprises two auxiliary plates three (27) and a lifting electric push rod (32), wherein the auxiliary plates three (27) and the lifting electric push rod (32) are both fixed on the workbench (1); the front side end of the front auxiliary plate three (27) is fixedly connected to a slitting motor (42); the output end of the slitting motor (42) passes through the auxiliary plate three (27) and is fixedly connected to the front side end of the slitting roller (28); the rear side end of the slitting roller (28) is rotatably connected to the front side wall of the rear auxiliary plate three (27); the front and rear ends of the support frame (30) are respectively slidably connected to the adjacent side walls of the front and rear auxiliary plates three (27) through limiting sliding grooves; the output end of the lifting electric push rod (32) is fixedly connected to a support plate (33); the upper end of the support plate (33) is fixedly connected to a plurality of buffer springs two (34); the upper end of the buffer spring two (34) is fixedly connected to the lower end of the support frame (30).

7. The cold pressing and slitting integrated equipment according to claim 6, characterized in that: A grinding frame (35) and a vacuum cleaner (36) are provided on the inner side of the support frame (30); an input end of the vacuum cleaner (36) is connected to the grinding frame (35); two movable plates (39) and two grinding sheets (40) are slidably connected to the inner wall of the lower side of the grinding frame (35); the two grinding sheets (40) are located between the two movable plates (39); the two grinding sheets (40) are respectively located on the front and rear sides of the through hole (31); an adjusting knob (38) is provided on the front side of the grinding frame (35); and an adjusting screw rod (31) is fixedly connected to the rear end of the adjusting knob (38). 7), the rear end of the adjusting screw rod (37) passes through the front side wall of the grinding frame (35), the two movable plates (39) and the two grinding sheets (40), and is rotatably connected to the rear inner wall of the grinding frame (35), the adjusting screw rod (37) is threadedly connected to the movable plate (39), and the thread directions of the two movable plates (39) and the adjusting screw rod (37) are opposite, and a buffer spring three (41) is arranged between the movable plate (39) and the grinding sheet (40), and the two ends of the buffer spring three (41) are respectively fixedly connected to the adjacent side walls of the movable plate (39) and the grinding sheet (40).

Images