A calender for power-assisted bicycle parts

Abstract

The present invention relates to the field of calenders, and specifically to a calender for power-assisted bicycle accessories, comprising two rollers, wherein the end of each roller is mounted on the ground through a frame, and a plurality of rolling parts with different diameters are arranged on the outer ring of each roller; a sliding unit is arranged between the ends of the frame, and each sliding unit is provided with a transmission assembly, and the transmission assembly is provided with a clamping mechanism for holding materials, and release mechanisms for controlling the clamping mechanism to release materials are arranged on both sides above the transmission assembly, and storage mechanisms for controlling the clamping mechanism to store materials are arranged on both sides below the transmission assembly; the provided clamping assembly can load multiple blanks, and multiple levels of different rolling parts are arranged on the rollers, which can perform different levels of rolling without transferring equipment, and the entire rolling process tends to be fully automated, which reduces manual participation, improves production safety, and reduces labor. Furthermore, one calender can perform different levels of rolling on the blanks, thereby reducing equipment costs.

Description

Technical Field

[0001] The invention relates to the field of calenders, in particular to a calender for power-assisted bicycle accessories. Background Art

[0002] In the manufacturing industry, the calender is a widely used processing equipment. The two rollers on the calender repeatedly roll the sheet to the desired thickness. For example, in the production of power-assisted bicycle parts, there are some thin sheet parts, such as vehicle logos, nameplates and other thin metal parts. These parts are first produced by stamping the blanks, and then repeatedly rolled through the calender to flatten them and achieve a smooth surface, while also expanding their surface, thereby saving material costs.

[0003] However, the above-mentioned thin metal blanks themselves are small and in large quantities. When rolling each blank one by one, first of all, in terms of loading, the operator needs to feed the blank into the roller body, which is a dangerous operation. Then, a large number of blanks need to be loaded one by one, and the operation is frequent and labor-intensive. Moreover, the blanks need to be squeezed by rollers of different diameters, that is, after the blanks are rolled once or twice, the thickness is reduced, and they need to be replaced and rolled between two rollers with larger diameters. Multiple calenders of different specifications are required for processing, and the processing equipment cost is high.

[0004] Therefore, in response to the above problems, a calender for power-assisted bicycle parts is proposed. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: the calender for power-assisted bicycle parts of the present invention comprises two horizontally arranged rollers, the ends of each roller being mounted on the ground via a frame, and the outer ring of each roller being provided with a plurality of rolling parts of different diameters;

[0007] A sliding unit is provided between the ends of each of the frames, and a transmission assembly is provided on each sliding unit. The transmission assembly is provided with a clamping mechanism for holding materials. Release mechanisms for controlling the clamping mechanism to release materials are provided on both sides above the transmission assembly, and receiving mechanisms for controlling the clamping mechanism to receive materials are provided on both sides below the transmission assembly.

[0008] The sliding unit is used to drive the clamping mechanism to move along the axis of the roller;

[0009] The transmission assembly is used to drive each clamping mechanism to move alternately to a middle position above the two rollers.

[0010] Preferably, each of the sliding units includes a screw rod rotatably connected between the ends of the frame, each screw rod is threadedly connected to a sleeve, the two sleeves are arranged opposite to each other, support rods are arranged at both ends of each sleeve, and the upper and lower ends of each support rod are symmetrically arranged. A transmission assembly is arranged between the two support rods on the same vertical plane, and the transmission assembly is used to convey materials.

[0011] Preferably, each of the transmission components includes a sprocket rotatably connected to the end of the support rod, the outer rings of the four sprockets on the same vertical plane are connected to chains, and multiple clamping mechanisms are evenly arranged between the two chains, and the clamping mechanisms are used to carry materials.

[0012] Preferably, each of the clamping mechanisms comprises two symmetrically arranged rotating shafts, the ends of the two rotating shafts are respectively fixed to the outer link plates of the two chains, the two rotating shafts are respectively rotatably connected to clamping plates, and a corrugated rubber plate is fixed between the outer edges of the two adjacent clamping plates away from the roller body;

[0013] Two releasing mechanisms are symmetrically arranged on the outer side of the middle above each chain, and the releasing mechanisms are used to control the opening of adjacent clamping plates and release the materials.

[0014] Preferably, each of the release mechanisms includes a No. 1 extension rod fixedly connected to the side wall of the upper half of the support rod, the end of the No. 1 extension rod extends to the middle outer position above the chain and is fixedly connected to a No. 1 motor, the output end of the No. 1 motor is arranged vertically upward, and the output end of the No. 1 motor is fixedly connected to a No. 1 extrusion plate, which is used to squeeze the outer wall of the clamping plate;

[0015] A receiving mechanism is provided below each of the release mechanisms. The receiving mechanism is located below the roller body and is used to control the merging of adjacent clamping plates and to receive materials.

[0016] Preferably, each of the storage mechanisms includes a No. 2 extension rod fixedly connected to the side wall of the lower half of the support rod, the end of the No. 2 extension rod extends to the middle outer position below the chain, and is fixedly connected to a No. 2 motor, the output end of the No. 2 motor is vertically arranged downward, and the output end of the No. 2 motor is fixedly connected to a No. 2 extrusion plate, which is used to squeeze two adjacent clamping plates to merge and store the material falling from between the two rollers.

[0017] Preferably, two L-shaped lead-in plates are provided in the middle position above the gap between the two roller bodies, the horizontal portion of the lead-in plate is fixed to the No. 1 extension rod, and the vertical portion of the lead-in plate extends toward the gap between the two roller bodies.

[0018] Preferably, two export plates are provided in the middle position below the gap between the two roller bodies, the export plates are fixedly connected to the second extension rod, and the upper edges of the two export plates are provided in a flared shape.

[0019] Preferably, a liquid supply pipe is provided at the horizontal part of the introduction plate, lubricating oil flows in the liquid supply pipe, and a control valve for controlling the flow of the lubricating oil is provided on the liquid supply pipe. The control valve includes a base, which is fixedly connected to the introduction plate, and a rotating groove is provided on the upper end surface of the base. The rotating groove is connected to the liquid supply pipe, and a fan-shaped body is rotatably connected in the rotating groove, a through hole is provided on the fan-shaped body, a spring is fixedly connected to the upper end surface of the fan-shaped body, and a swing rod is fixedly connected to the end of the spring.

[0020] Preferably, a magnetic plate is provided on the outer side wall of each clamping plate, and the magnetic plates on two adjacent clamping plates are arranged with opposite magnetic properties.

[0021] The present invention is beneficial in that:

[0022] 1. In the present invention, the clamping assembly is capable of loading multiple blanks, and the roller body is provided with multiple levels of different rolling parts, which can perform different levels of rolling without transferring the equipment, and the entire rolling process tends to be fully automated, reducing manual participation, improving production safety, and reducing labor. Moreover, one calender can perform different levels of rolling on the blanks, reducing equipment costs.

[0023] 2. In the present invention, the control valve is provided in conjunction with the release mechanism to intermittently control the outflow of lubricating oil, which can not only lubricate and protect the blank, but also save lubricating oil materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of a calender for power-assisted bicycle parts according to the present invention;

[0025] Figure 2 It is a top view of the calender for power-assisted bicycle parts in the present invention;

[0026] Figure 3 for Figure 2 Cross-sectional view in the AA direction;

[0027] Figure 4 A three-dimensional diagram of the cooperation between the transmission assembly and the sliding unit in the present invention;

[0028] Figure 5 A three-dimensional diagram of the cooperation between the transmission assembly and the clamping assembly in the present invention;

[0029] Figure 6 A top view of the transmission assembly and the clamping assembly in the present invention;

[0030] Figure 7 is a three-dimensional diagram of the sliding unit in the present invention;

[0031] Figure 8 A top view of the roller body of the present invention;

[0032] Figure 9This is a front view of the cooperation between the transmission assembly and the clamping assembly in the present invention;

[0033] Figure 10 is a three-dimensional diagram of the release mechanism of the present invention;

[0034] Figure 11 It is a structural schematic diagram of the storage mechanism in the present invention;

[0035] Figure 12 A first perspective perspective view of the clamping assembly of the present invention;

[0036] Figure 13 A second perspective view of the clamping assembly of the present invention;

[0037] Figure 14 A perspective view of the control valve of the present invention;

[0038] Figure 15 It is a three-dimensional diagram of the fan-shaped block in the present invention;

[0039] Figure 16 It is the front view of the sector block in the present invention.

[0040] In the figure: 1. Roller body; 2. Frame body; 3. Rolling part; 4. Screw rod; 5. Sleeve; 6. Support rod; 7. Sprocket; 8. Chain; 9. Rotating shaft; 10. Clamping plate; 11. Rubber plate; 12. Extension rod No. 1; 13. Motor No. 1; 14. Extrusion plate No. 1; 15. Extension rod No. 2; 16. Motor No. 2; 17. Extrusion plate No. 2; 18. Inlet plate; 19. Outlet plate; 20. Liquid supply pipe; 21. Control valve; 22. Base; 23. Rotating groove; 24. Fan-shaped body; 25. Through hole; 26. Spring; 27. Swing rod; 28. Torsion spring; 29. ​​Magnetic plate. DETAILED DESCRIPTION

[0041] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0042] Reference Figures 1-13, a calender for power-assisted bicycle accessories, comprising two horizontally arranged rollers 1, the end of each roller 1 being erected on the ground through a frame 2, and a plurality of rolling parts 3 with different diameters being arranged on the outer ring of each roller 1; a sliding unit is arranged between the ends of each of the frames 2, and a transmission assembly is provided on each sliding unit, and a clamping mechanism for holding materials is provided on the transmission assembly, and a release mechanism for controlling the clamping mechanism to release the material is provided on both sides above the transmission assembly, and a receiving mechanism for controlling the clamping mechanism to receive the material is provided on both sides below the transmission assembly; the sliding unit is used to drive the clamping mechanism to move along the axis direction of the roller 1; the transmission assembly is used to drive each clamping mechanism to alternately move to the middle position above the two rollers 1; in this embodiment, the designed calender is used for processing thin metal accessories for power-assisted bicycles, and the material is thin metal blank, and the specific operation process is as follows:

[0043] Loading: Place each blank into each clamping mechanism one by one, then drive the sliding unit to drive the clamping mechanism to the rolling part 3 on the roller body 1 where the outer ring diameter is the largest;

[0044] Rolling: The two rollers 1 are driven by an external motor and a reducer. The transmission assembly drives the clamping mechanism to move above the two rollers 1. Then, the clamping assembly is controlled by the release mechanism. The clamping assembly releases the blank, and the blank falls between the two rollers 1 and is rolled by the rolling part 3.

[0045] After the blank is rolled, it falls onto the clamping mechanism below the roller body 1. The clamping mechanism below is controlled by the receiving mechanism to store the rolled blank in the clamping mechanism. The blank is then transported to the top of the roller body 1 through the transmission assembly for the second rolling process.

[0046] Transfer, repeat the above rolling and storage steps for the second rolling. After the second rolling, pause the transmission assembly, and transfer the transmission assembly and the clamping assembly to the next rolling part 3 with a larger outer ring diameter through the sliding unit, and repeat the subsequent storage steps.

[0047] Unloading: When the blank is rolled multiple times and the desired product is obtained, the roller body 1 and the transmission assembly are paused and the product is taken out from the clamping assembly;

[0048] In this embodiment, the clamping assembly is capable of loading multiple blanks, and multiple levels of rolling parts 3 are provided on the roller body 1, which can perform different levels of rolling without transferring the equipment, and the entire rolling process tends to be fully automated, reducing manual participation, improving production safety, and reducing labor. Moreover, one calender can perform different levels of rolling on the blanks, reducing equipment costs.

[0049] Reference Figures 1-13Each of the sliding units includes a screw rod 4 rotatably connected between the ends of the frame 2, and a sleeve 5 is threadedly connected to each screw rod 4. The two sleeves 5 are arranged opposite to each other, and support rods 6 are arranged at both ends of each sleeve 5. The upper and lower ends of each support rod 6 are symmetrically arranged. A transmission assembly is set between the two support rods 6 on the same vertical plane, and the transmission assembly is used to convey materials;

[0050] A motor for driving the screw 4 to rotate is set at one end of the frame 2, and the screw 4 drives the sleeve 5 to move, so that the sleeve 5 drives the clamping assembly to move to different levels of rolling parts 3 on the roller body 1, thereby realizing different levels of rolling of the blank, that is, the blank is rolled in turn through the rolling parts 3 with different outer ring diameters; the upper and lower ends of each support rod 6 are directed to the outer edge of the frame 2, which can separate the transmission assembly from the roller body 1 to prevent the clamping assembly on the transmission assembly from colliding and interfering with the roller body 1 or the frame 2.

[0051] Reference Figures 1-13 Each of the transmission components includes a sprocket 7 rotatably connected to the end of the support rod 6, and the outer rings of the four sprockets 7 on the same vertical plane are connected to a chain 8, and a plurality of clamping mechanisms are evenly arranged between the two chains 8, and the clamping mechanism is used to carry materials;

[0052] The sprocket 7 is rotatably connected to the end of the support rod 6. The sprocket 7 is driven by an external servo motor. The servo motor can drive the sprocket 7 to rotate intermittently, so that the clamping assembly pauses every time it moves above the gap between the two rollers 1. The chain 8 is driven around the sprocket 7. The chain 8 is provided with multiple clamping mechanisms, each of which contains a thin metal blank to be processed.

[0053] The sprocket 7 cooperates with the chain 8 to intermittently drive the clamping mechanism to move, so that each thin metal blank can be accurately moved above the gap between the two rollers 1, and the release of the blank is paused at the same time, ensuring that each blank can receive the same number of times and the same level of rolling.

[0054] Reference Figures 1-13 Each of the clamping mechanisms includes two symmetrically arranged rotating shafts 9, the ends of the two rotating shafts 9 are respectively fixed to the outer link plates of the two chains 8, and the two rotating shafts 9 are respectively rotatably connected to the clamping plates 10, and a corrugated rubber plate 11 is fixed between the outer edges of the two adjacent clamping plates 10 away from the roller body 1;

[0055] Two release mechanisms are symmetrically arranged on the outer side of the middle above each chain 8, and the release mechanisms are used to control the adjacent clamping plates 10 to open and release the materials;

[0056] Each clamping mechanism comprises two symmetrically arranged clamping plates 10. The outer walls of the two adjacent clamping plates 10 are rotatably connected to the rotating shaft 9, which is fixed to the outer link plate of the chain 8. When the clamping plates 10 are located above the roller body 1, the rubber plate 11 is located at the upper edge of the clamping plates 10; when the clamping plates 10 are located below the roller body 1, the rubber plate 11 is located at the lower edge of the clamping plates 10, and the rubber plate 11 is always away from the roller body 1.

[0057] According to Figure 3 As shown, the roller body 1 on the left rotates clockwise, and the roller body 1 on the right rotates counterclockwise, the chain 8 rotates counterclockwise around the roller body 1, and the clamping assembly moves counterclockwise along with the chain 8. When loading, the chain 8 pauses. At this time, the two adjacent clamping plates 10 on the upper right side and the right side are in a merged state. The blank is placed in the merged clamping plates 10, and then the transmission assembly is driven. The clamping assembly transfers the blanks one by one to the top of the gap between the two roller bodies 1. When the two adjacent merged clamping plates 10 are placed above the gap between the two roller bodies 1, the release mechanism is driven. The release mechanism will open the clamping plates 10 in the merged state at this time, and then the blank in the clamping plates 10 falls into the gap between the two roller bodies 1 for rolling. After rolling, the blank falls onto the clamping assembly below.

[0058] The clamping assembly on the chain 8 is not limited to Figure 9 In addition to the number shown in FIG, more clamping assemblies can be provided on the chain 8, so that a larger amount of blanks can be fed in sequence.

[0059] Reference Figures 1-13 Each of the release mechanisms includes a No. 1 extension rod 12 fixed to the side wall of the upper half of the support rod 6, the end of the No. 1 extension rod 12 extends to the middle outer position above the chain 8, and is fixed to a No. 1 motor 13, the output end of the No. 1 motor 13 is vertically upwardly arranged, and the output end of the No. 1 motor 13 is fixed to a No. 1 extrusion plate 14, which is used to squeeze the outer wall of the clamping plate 10;

[0060] A receiving mechanism is provided below each of the release mechanisms. The receiving mechanism is located below the roller body 1 and is used to control the merging of adjacent clamping plates 10 and receive the material.

[0061] When two adjacent combined clamping plates 10 are placed above the gap between the two roller bodies 1, the release mechanism is driven. The specific operation is as follows: Figure 6As shown, the No. 1 motor 13 is driven, and the No. 1 extrusion plate 14 is deflected by the No. 1 motor 13. The ends of the multiple No. 1 extrusion plates 14 are squeezed on the upper half of the two adjacent clamping plates 10 at the same time. At this time, the two adjacent clamping plates 10 are deflected, and the lower edges of the two adjacent clamping plates 10 are opened. The blank falls into the gap between the two rollers 1 under its own gravity and is rolled. At the same time, the No. 1 motor 13 drives the No. 1 extrusion plate 14 to deflect and reset. When the blank passes through the roller 1 and falls between the clamping plates 10 below, the receiving mechanism is driven to control the clamping assembly to merge and receive the blank.

[0062] The release mechanism cooperates with the clamping mechanism to accurately control the falling of the two blanks in the two adjacent clamping plates 10, ensuring that the blanks fall smoothly into the gap between the two roller bodies 1.

[0063] Reference Figures 1-13 Each of the storage mechanisms includes a second extension rod 15 fixedly connected to the side wall of the lower half of the support rod 6, the end of the second extension rod 15 extends to the middle outer position below the chain 8, and is fixedly connected to a second motor 16, the output end of the second motor 16 is vertically downwardly arranged, and the output end of the second motor 16 is fixedly connected to a second extrusion plate 17, which is used to squeeze two adjacent clamping plates 10 and combine them to store materials falling from between the two rollers 1;

[0064] The clamping assembly below the roller body 1 is in an open state, that is, the upper edges of the two adjacent clamping plates 10 below the roller body 1 are in an open state, and the blank falls through the roller body 1 and falls into the clamping assembly in the open state, and then the No. 2 motor 16 is driven to drive the No. 2 extrusion plate 17 to deflect, and the end of the No. 2 extrusion plate 17 is simultaneously squeezed on the upper half of the two adjacent clamping plates 10 below the roller body 1. At this time, the two adjacent clamping plates 10 are deflected and merged to store the blank in the clamping plates 10, and then the No. 2 motor 16 drives the No. 2 extrusion plate 17 to deflect and reset, and then drives the chain 8 to drive the clamping assembly to move, fully completing the above operation;

[0065] The receiving mechanism cooperates with the clamping mechanism to accurately control the merging of two adjacent clamping plates 10 and receive the blank, so that the blank can be smoothly transferred to the position above the gap between the two rollers 1 again for the next rolling.

[0066] Reference Figures 1-13 Two L-shaped introduction plates 18 are provided in the middle position above the gap between the two roller bodies 1. The horizontal portion of the introduction plate 18 is fixed to the No. 1 extension rod 12, and the vertical portion of the introduction plate 18 extends toward the gap between the two roller bodies 1.

[0067] The introduction plate 18 is provided to guide the blank falling from the clamping assembly above the roller body 1, so that the blank can fall between the two roller bodies 1 in a vertical state, that is, the blank falls parallel to the axis of the roller body 1, to avoid the blank colliding with the surface of the clamping plate 10 when falling, causing the blank to be tilted and squeezed and damaged by the roller body 1.

[0068] Reference Figures 1-13 , two export plates 19 are provided in the middle position below the gap between the two roller bodies 1, the export plates 19 are fixedly connected to the second extension rod 15, and the upper edges of the two export plates 19 are flared;

[0069] An export plate 19 is provided below the roller body 1. The export plate 19 is used to guide the blank to fall into two adjacent clamping plates 10. When the upper edge of the blank has not completely separated from the roller body 1, the lower edge of the blank has been placed in the two export plates 19. The export plate 19 constrains the falling state of the blank, so that the blank tends to fall parallel to the axis of the roller body 1, ensuring that the blank successfully falls into the clamping assembly below the roller body 1.

[0070] Reference Figures 1-16 A liquid supply pipe 20 is provided at the horizontal portion of the introduction plate 18, and lubricating oil flows in the liquid supply pipe 20. A control valve 21 for controlling the flow of lubricating oil is provided on the liquid supply pipe 20, and the control valve 21 includes a base 22, which is fixedly connected to the introduction plate 18. A rotation groove 23 is provided on the upper end surface of the base 22, and the rotation groove 23 is connected to the liquid supply pipe 20. A fan-shaped body 24 is rotatably connected in the rotation groove 23, and a through hole 25 is provided on the fan-shaped body 24. A spring 26 is fixedly connected to the upper end surface of the fan-shaped body 24, and a swing rod 27 is fixedly connected to the end of the spring 26; a torsion spring 28 is provided at the rotation connection point between the fan-shaped body 24 and the rotation groove 23, and the torsion spring 28 is used to control the deflection and reset of the fan-shaped body 24;

[0071] The liquid supply pipe 20 is connected to an external liquid pump, which can pump lubricating liquid into the liquid supply pipe 20. The lubricating oil then spreads over the entire surface of the introduction plate 18. The lubricating oil then drips onto the surface of the roller body 1 and the surface of the blank. The lubricating oil forms an oil film between the roller body 1 and the surface of the blank, reducing wear and reducing surface defects of the blank.

[0072] The control valve 21 for controlling the flow of lubricating oil is provided on the liquid supply pipe 20. When the No. 1 extrusion plate 14 deflects and squeezes the clamping plate 10, the No. 1 extrusion plate 14 squeezes the swing rod 27, and the swing rod 27 drives the fan-shaped body 24 to deflect. At this time, the through hole 25 on the fan-shaped body 24 is connected to the liquid supply pipe 20, and the lubricating oil flows out from the liquid supply pipe 20; because the swing rod 27 is connected to the fan-shaped body 24 by the spring 26, the No. 1 extrusion plate 14 will squeeze the swing rod 27 and tilt it, and pass over the swing rod 27, and finally squeeze it on the clamping plate 10; after the No. 1 extrusion plate 14 passes over the swing rod 27, the fan-shaped body 24 is deflected and reset under the torsion of the torsion spring 28 connected thereto, and the through hole 25 on the fan-shaped body 24 is staggered with the liquid supply pipe 20, and the fan-shaped body 24 temporarily blocks the liquid supply pipe 20. When the No. 1 extrusion plate 14 is deflected and reset, it will squeeze over the swing rod 27 again. At this time, squeezing will not have any operation on the control valve 21;

[0073] The control valve 21 is provided to cooperate with the release mechanism to intermittently control the outflow of lubricating oil, which can not only play a role in lubricating and protecting the blank, but also play a role in saving lubricating oil materials.

[0074] Reference Figures 1-16 , a magnetic plate 29 is provided on the outer side wall of each clamping plate 10, and the magnetic plates 29 on two adjacent clamping plates 10 are arranged with opposite magnetic properties;

[0075] A magnetic plate 29 is provided on the clamping plate 10. When the storage mechanism operates the clamping plates 10 to merge, two adjacent magnetic plates 29 are attracted to each other to further stabilize the two adjacent clamping plates 10. The design of the magnetic plate 29 is limited to some relatively thick non-magnetic metal blanks, and the blanks are firmly locked in the clamping plate 10.

[0076] Working Principle: In this embodiment, the designed calender is used to process thin metal accessories of power-assisted bicycles. The material is thin metal blank, and the specific operation process is as follows:

[0077] Loading: Place each blank into each clamping mechanism one by one, then drive the sliding unit to drive the clamping mechanism to the rolling part 3 on the roller body 1 where the outer ring diameter is the largest;

[0078] Rolling: The two rollers 1 are driven by an external motor and a reducer. The transmission assembly drives the clamping mechanism to move above the two rollers 1. Then, the clamping assembly is controlled by the release mechanism. The clamping assembly releases the blank, and the blank falls between the two rollers 1 and is rolled by the rolling part 3.

[0079] After the blank is rolled, it falls onto the clamping mechanism below the roller body 1. The clamping mechanism below is controlled by the receiving mechanism to store the rolled blank in the clamping mechanism. The blank is then transported to the top of the roller body 1 through the transmission assembly for the second rolling process.

[0080] Transfer, repeat the above rolling and storage steps for the second rolling. After the second rolling, pause the transmission assembly, and transfer the transmission assembly and the clamping assembly to the next rolling part 3 with a larger outer ring diameter through the sliding unit, and repeat the subsequent storage steps.

[0081] Unloading: When the blank is rolled multiple times and the desired product is obtained, the roller body 1 and the transmission assembly are paused and the product is taken out from the clamping assembly;

[0082] In this embodiment, the clamping assembly is capable of loading multiple blanks, and multiple levels of rolling parts 3 are provided on the roller body 1, which can perform different levels of rolling without transferring the equipment, and the entire rolling process tends to be fully automated, reducing manual participation, improving production safety, and reducing labor. Moreover, one calender can perform different levels of rolling on the blanks, reducing equipment costs.

[0083] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A calender for power-assisted bicycle parts, characterized by: It includes two horizontally arranged rollers, the ends of each roller are erected on the ground through a frame, and the outer ring of each roller is provided with multiple rolling parts with different diameters; A sliding unit is provided between the ends of each of the frames, and a transmission assembly is provided on each sliding unit. The transmission assembly is provided with a clamping mechanism for holding materials. Release mechanisms for controlling the clamping mechanism to release materials are provided on both sides above the transmission assembly, and receiving mechanisms for controlling the clamping mechanism to receive materials are provided on both sides below the transmission assembly. The sliding unit is used to drive the clamping mechanism to move along the axis of the roller; The transmission assembly includes a chain, and the transmission assembly is used to drive each clamping mechanism to move alternately to a middle position above the two rollers; Each of the clamping mechanisms comprises two symmetrically arranged rotating shafts, the ends of the two rotating shafts being fixedly connected to the outer link plates of the two chains respectively, the two rotating shafts being rotatably connected to clamping plates respectively, and a corrugated rubber plate being fixedly connected between the outer edges of the two adjacent clamping plates away from the roller body; Two release mechanisms are symmetrically arranged on the outer side of the middle above each chain, and the release mechanisms are used to control the opening of adjacent clamping plates and release the materials; Each of the sliding units includes a screw rod rotatably connected between the ends of the frame, each screw rod is threadedly connected to a sleeve, the two sleeves are arranged opposite to each other, and support rods are arranged at both ends of each sleeve, and the upper and lower ends of each support rod are symmetrically arranged. A transmission assembly is arranged between the two support rods on the same vertical plane, and the transmission assembly is used to convey materials; Each of the release mechanisms includes a No. 1 extension rod fixedly connected to the side wall of the upper half of the support rod, the end of the No. 1 extension rod extends to the middle outer position above the chain and is fixedly connected to a No. 1 motor, the output end of the No. 1 motor is vertically arranged upward, and the output end of the No. 1 motor is fixedly connected to a No. 1 extrusion plate, which is used to squeeze the outer wall of the clamping plate; A receiving mechanism is provided below each of the release mechanisms. The receiving mechanism is located below the roller body and is used to control the merging of adjacent clamping plates and receive the material. Each of the storage mechanisms includes a No. 2 extension rod fixedly connected to the side wall of the lower half of the support rod, the end of the No. 2 extension rod extends to the middle outer position below the chain, and is fixedly connected to a No. 2 motor, the output end of the No. 2 motor is vertically downwardly arranged, and the output end of the No. 2 motor is fixedly connected to a No. 2 extrusion plate, which is used to squeeze two adjacent clamping plates and merge to store materials falling from between the two rollers.

2. A calender for power-assisted bicycle parts according to claim 1, characterized in that: Each transmission assembly includes a sprocket rotatably connected to the end of the support rod, and the outer rings of the four sprockets on the same vertical plane are connected to chains. Multiple clamping mechanisms are evenly arranged between the two chains, and the clamping mechanisms are used to carry materials.

3. The calender for power-assisted bicycle parts according to claim 1, characterized in that: Two L-shaped lead-in plates are arranged in the middle position above the gap between the two roller bodies. The horizontal portion of the lead-in plate is fixed to the No. 1 extension rod, and the vertical portion of the lead-in plate extends toward the gap between the two roller bodies.

4. A calender for power-assisted bicycle parts according to claim 3, characterized in that: Two export plates are arranged at the middle position below the gap between the two roller bodies. The export plates are fixedly connected to the second extension rod, and the upper edges of the two export plates are arranged in a flared shape.

5. The calender for power-assisted bicycle parts according to claim 3, characterized in that: A liquid supply pipe is provided on the horizontal part of the introduction plate, and lubricating oil flows in the liquid supply pipe. A control valve for controlling the flow of the lubricating oil is provided on the liquid supply pipe. The control valve includes a base, which is fixedly connected to the introduction plate. A rotating groove is provided on the upper end surface of the base, and the liquid supply pipe is connected in the rotating groove. A fan-shaped body is rotatably connected in the rotating groove, and a through hole is provided on the fan-shaped body. A spring is fixedly connected to the upper end surface of the fan-shaped body, and a swing rod is fixedly connected to the end of the spring.

6. The calender for power-assisted bicycle parts according to claim 1, characterized in that: A magnetic plate is provided on the outer side wall of each clamping plate, and the magnetic plates on two adjacent clamping plates are arranged with opposite magnetic properties.

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