CN112935725B - Production process of bicycle brake disc - Google Patents
Production process of bicycle brake disc Download PDFInfo
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- CN112935725B CN112935725B CN202110156224.1A CN202110156224A CN112935725B CN 112935725 B CN112935725 B CN 112935725B CN 202110156224 A CN202110156224 A CN 202110156224A CN 112935725 B CN112935725 B CN 112935725B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000004080 punching Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001962 electrophoresis Methods 0.000 claims abstract description 14
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000011241 protective layer Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000005496 tempering Methods 0.000 claims abstract description 6
- 238000010791 quenching Methods 0.000 claims abstract description 5
- 230000000171 quenching effect Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 4
- 238000010422 painting Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000002655 kraft paper Substances 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 32
- 210000000078 claw Anatomy 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
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- 238000005498 polishing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/24—Packaging annular articles, e.g. tyres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The application relates to a production process of a bicycle brake disc, which relates to the field of brake disc production and comprises the following steps of blanking, cutting a strip-shaped plate material to obtain a disc material; punching, namely punching the disc material to form a rough blank of the brake disc; quenching and shaping, namely performing heat treatment on the rough blank, taking out the rough blank after the heat treatment, performing air cooling to room temperature, tempering the rough blank of the brake disc, and leveling the rough blank of the brake disc by using a leveling die after the tempering is performed to the leveling required temperature; electrophoresis, namely, hanging the quenched brake disc and then performing electrophoresis painting to form an electrophoresis paint film protective layer on the surface of the brake disc; grinding, namely grinding two working surfaces of the brake disc to ensure that the working surfaces reach the precision required by brake assembly; cleaning and inspecting, namely cleaning and inspecting the brake disc, and stacking qualified products through packaging equipment; bagging and packaging, namely bagging the brake disc separately and placing the brake disc in a carton. This application has and to keep better control performance and brake effect.
Description
Technical Field
The application relates to the field of brake disc production, in particular to a production process of a bicycle brake disc.
Background
The brake disc, in short, is a circular disc which also rotates when the vehicle is moving. The brake caliper clamps the brake disc to generate braking force, and when the brake is stepped, the brake caliper clamps the brake disc to play a role in reducing speed or stopping. The brake disc has good braking effect and is easier to maintain than a drum brake.
The existing mountain bike is heavy in body weight, and the thickness of the brake disc is large because part of the brake disc is made of steel and still has certain using strength and durability after being worn for a long time.
In view of the above-mentioned related art, the inventor believes that there is a drawback in that the brake disc having a large thickness causes an increase in the total weight of the vehicle body, thereby adversely affecting the handling performance of the vehicle.
Disclosure of Invention
In order to keep better control performance and braking effect, the application provides a production technology of bicycle brake disc.
The application provides a production technology of bicycle brake disc adopts following technical scheme:
a production process of a bicycle brake disc comprises the following steps:
blanking, namely positioning and mounting strip-shaped plates, and then performing laser cutting and blanking one by one to obtain a disc material;
Punching, namely positioning the side edge of the excircle of the disc material, and then simultaneously punching a side hole, an installation hole, a middle hole and a process hole to enable the disc material to become a hollow brake disc rough blank;
quenching and shaping, namely stacking the brake disc rough blank on a conveyor belt, conveying the rough blank into a mesh belt furnace by a conveyor for heat treatment, taking out the rough blank after the heat treatment is finished, air-cooling to room temperature, tempering the brake disc rough blank, and leveling the brake disc rough blank by a leveling die after the tempering is carried out to the leveling required temperature;
electrophoresis, namely hanging the quenched brake disc and then performing electrophoresis painting to form an electrophoresis paint film protective layer on the surface of the brake disc;
grinding, namely grinding the two working surfaces of the brake disc after electrophoresis to remove the protective layer and ensure that the working surfaces of the brake disc reach the precision required by brake assembly;
cleaning and inspecting, namely cleaning the ground brake disc, inspecting that the surface of the brake disc is not scratched and pits are qualified, and stacking the qualified products by packaging equipment;
bagging-off packing, with the brake disc bagging-off alone, then pile in the carton, reuse sticky tape seals the carton, accomplishes the packing.
Through adopting above-mentioned technical scheme, when the production brake disc, through punching a hole on the brake disc, and then can reach the weight that reduces the brake disc to the brake disc, reduce the influence of brake disc weight to vehicle nature controlled, also can play good brake effect simultaneously.
Optionally, the packing apparatus includes a brake disc conveying device, a kraft paper conveying device, a pick-and-place device, and a placement device;
the placing device comprises a placing frame, the brake disc conveying device comprises a first conveying belt, the kraft paper conveying device comprises a second conveying belt, the taking and placing device comprises a first taking and placing claw and a second taking and placing claw, the first taking and placing claw is arranged at the first conveying belt and used for grabbing a brake disc on the first conveying belt and placing the brake disc on the placing frame, and the second taking and placing claw is arranged at the second conveying belt and used for grabbing kraft paper on the second conveying belt and placing the kraft paper on the placing frame.
Through adopting above-mentioned technical scheme, when using, the second is got and is put the kraft paper of claw on with the second conveyer belt and snatch to the rack on, afterwards, the first kraft paper of putting on the rack is placed with the brake disc to the claw of getting, and the kraft paper can absorb remaining steam on the brake disc, reduces the probability of brake disc corrosion.
Optionally, the placing frame comprises a rotating disc and a supporting seat, and a driving piece for driving the rotating disc to rotate is arranged in the supporting seat.
Through adopting above-mentioned technical scheme, when using, when the brake disc is placed on the rack, driving piece drive rolling disc rotates, consequently when taking the brake disc on the rack, get to put the device and can place brake disc and kraft paper on the rolling disc once more, consequently can improve work efficiency.
Optionally, the packing apparatus further includes a receiving device and a transferring device, the receiving device includes a receiving plate and a lifting member for driving the receiving plate to lift, and the transferring device is used for transferring kraft paper and a brake disc on the rotating disc to the receiving plate.
Through adopting above-mentioned technical scheme, when using, after brake disc and kraft paper were shifted to on the board of accomodating, the board descends is accomodate in the lift drive, and when accomodating the board and descend to the lowest position, operating personnel shifts the brake disc and the kraft paper on the board of accomodating to the carton in, and the piece drive of going up afterwards accomodates the board and rises and resume the normal position.
Optionally, the rolling disc on still be equipped with the relief hole, relief hole department still be equipped with elastic support spare, elastic support spare be used for supporting kraft paper and brake disc, the storage plate be located the below of the rotation orbit of relief hole, transfer device including pressing the pressure pole, the pressure pole be located the top of storage plate for push down kraft paper and brake disc to the storage plate on.
Through adopting above-mentioned technical scheme, when using, press the depression bar and remove downwards and press the brake disc, with the brake disc, the brake disc will do all can conduct to elastic support spare on, and then makes elastic support spare take place deformation for the brake disc can follow on the discharge hole falls to accomodating the board.
Optionally, the elastic support comprises a support plate and a return spring, one end of the support plate is hinged to the inner wall of the discharge hole, one end of the return spring is fixedly connected to the inner wall of the discharge hole, and the other end of the return spring is fixedly connected to the lower surface of the support plate.
Through adopting above-mentioned technical scheme, when using, when the backup pad received pressure, reset spring can take place deformation for reset spring can drive the backup pad and reset when the backup pad rotated the pressure that the backup pad received and disappears.
Optionally, the transfer device includes a fixed plate, a first hinge rod, a second hinge rod and a third hinge rod, the fixed plate is installed on the ground, one end of the first hinge rod is hinged to the upper end of the pressing rod, the other end of the first hinge rod is hinged to the upper end of the second hinge rod, the first hinge rod is hinged to the fixed plate, the lower end of the second hinge rod is hinged to one end of the third hinge rod, the third hinge rod is hinged to the fixed plate, and the transfer device further includes a reset pressing mechanism for pressing the other end of the third hinge rod.
Through adopting above-mentioned technical scheme, when using, press the third hinge pole downwards and keep away from the one end of second hinge pole, consequently, the second hinge pole can rebound, and then makes first hinge pole and press the articulated one end of pole looks to push down, and then reaches the purpose of pushing down the brake disc.
Optionally, the reset pressing mechanism includes a pressing rack, the pressing rack is connected to the lifting member and driven by the lifting member to move up and down, and one end of the third hinge rod, which is far away from the second hinge rod, is located at a gap between teeth of the pressing rack.
Through adopting above-mentioned technical scheme, when using, when the lifter moves down, can drive and press the rack and move down, and then make and press the depression bar and can press the brake disc to accomodate on the board.
In summary, the present application includes at least one of the following beneficial technical effects:
the brake disc is punched, so that the brake disc has small weight and small influence on the controllability of a vehicle while keeping a good braking effect;
kraft paper is laid below the brake disc, so that water vapor on the brake disc can be adsorbed, and the probability of corrosion of the brake disc is reduced.
Drawings
FIG. 1 is a process flow diagram of an embodiment of the present application.
Fig. 2 is a process diagram of the present application.
Fig. 3 is a schematic structural diagram of a packaging device according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a pick-and-place device according to an embodiment of the present application.
FIG. 5 is a schematic cross-sectional view of a discharge hole and an elastic support member according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a transfer device according to an embodiment of the present application.
Description of reference numerals: 1. a support; 11. a first conveyor belt; 12. a second conveyor belt; 21. a slide cylinder; 22. a sliding plate; 23. a first pick-and-place claw; 231. a first baffle plate; 232. a second baffle; 233. a limiting plate; 24. a second pick-and-place claw; 241. a connecting rod; 242. a vacuum chuck; 25. an inclined plate; 251. a support spring; 31. rotating the disc; 311. a discharge hole; 32. a supporting seat; 4. a storage device; 41. a lifting member; 42. a storage plate; 5. a transfer device; 51. a fixing plate; 52. a pressing lever; 531. a first hinge lever; 532. a second hinge lever; 533. a third hinge rod; 541. pressing the rack; 542. a homing spring; 61. a support plate; 62. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a production process of a bicycle brake disc. Referring to fig. 1 and 2, the method includes the following steps:
blanking, namely positioning and mounting strip-shaped plates, and then performing laser cutting and blanking one by one to obtain a disc material; the strip-shaped plate can be a 2735mmX272mm steel plate, the coiling size is phi 139.8mm, the error standard is within +/-0.2, and the blanking number of a single plate is 37.
And punching, wherein before punching, the installation direction of the disc material on a punch needs to be noticed, in the whole punching process, the outer circle sunk edge generated in the blanking process of the disc material by a strip-shaped plate always keeps being arranged back to one side of the cutter head, then the outer circle side edge of the disc material is positioned, and then punching is carried out in three stages, so that the disc material becomes the hollow brake disc rough blank shown in the figure 2.
Follow the center of plate material outwards be mesopore, mounting hole, fabrication hole and limit hole in proper order, each stage all simultaneously blanking mesopore, mounting hole, fabrication hole and limit hole, along with the increase in the stage of punching a hole, the interval between same hole is littleer and littleer to last stage punching operation accomplishes the back, and the interval between same hole reaches the minimum.
And after the third punching stage is finished, punching holes on the brake disc at positions between the side holes and the mounting holes, wherein the punching of the holes is also performed in stages, the middle holes are used as the symmetrical reference, and the punching of each stage is performed by a pair of symmetrical holes until the punching of all the holes is finished.
And (3) quenching and shaping, namely chamfering and deburring are required before quenching and shaping, the burrs are treated by chamfering the outer circular edge of the brake disc rough blank and the edge of each punched hole, and the front working surface and the back working surface of the brake disc rough blank are required to be chamfered, so that the brake disc rough blank is qualified without the defect that the projection with the amplitude larger than 0.1mm is generated on the brake disc rough blank.
And (4) electrophoresis, namely hanging the quenched brake disc and then performing electrophoresis painting to form an electrophoresis paint film protective layer on the surface of the brake disc.
Grinding, two working faces of the electrophoretic brake disc are ground to remove the protective layer, and the specific grinding process is as follows: grinding one working surface of the brake disc serving as a reference, grinding the other working surface, changing the direction after the grinding is finished, grinding the original working surface serving as the reference, and turning to fine grinding and polishing after the thickness of the brake disc reaches a designed process size until the roughness and the flatness of the two working surfaces of the brake disc meet the requirements of a design drawing.
The cleaning and inspection method comprises the following specific operation methods: the surface of the brake disc is inspected by visual observation, products with burn, sun and shade surfaces and interlayers on the surface are screened out, then the rest brake disc is impacted by steam jet, then the surface of the brake disc is dried by high-pressure hot air, the brake disc is stacked by packing equipment after cleaning is finished, and kraft paper is padded between two adjacent products.
Bagging and packaging, namely independently bagging each brake disc, then stacking the brake discs in a carton, and sealing the carton by using an adhesive tape to finish packaging.
Referring to fig. 3, the packaging apparatus includes a support 1, a brake disc conveying device, a kraft paper conveying device, a pick-and-place device, a placement device, a storage device 4, and a transfer device 5. The placing device is positioned at one end of the brake disc conveying device and the kraft paper conveying device. Brake disc conveyor and kraft paper conveyor fixed mounting are on support 1, brake disc conveyor be located kraft paper conveyor's top. The brake disc conveying device comprises a first conveyor belt 11 for conveying a brake disc, and the kraft paper comprises a second conveyor belt 12 for conveying the kraft paper. In the present embodiment, the first conveyor belt 11 and the second conveyor belt 12 are both belt conveyors, and in another embodiment, the first conveyor belt 11 may be a conveyor plate fixedly mounted on the frame 1. One end of the first conveying belt 11 close to the placing device is further hinged with a tilting plate 25, a supporting spring 251 is fixedly connected to the lower surface of the tilting plate 25, and the other end of the supporting spring 251 is fixedly connected with one end of the first conveying belt 11. In another embodiment, a rubber plate is fixedly connected to one end of the first conveyor belt 11 near the placement device.
Referring to fig. 3 and 4, the pick-and-place device includes a first pick-and-place claw 23, a second pick-and-place claw 24, a sliding plate 22, and a sliding cylinder 21, wherein the sliding cylinder 21 is fixedly mounted on the bracket 1, and a piston rod of the sliding cylinder 21 and the sliding plate 22 are fixedly connected to drive the sliding plate 22 to reciprocate along the length direction of the first conveyor belt 11. The sliding plate 22 is slidably connected to the frame 1 and is located at one side of the first conveyor belt 11. The first picking and placing claw 23 and the sliding plate 22 are fixedly connected and located above the first conveying belt 11, and are used for picking a brake disc on the first conveying belt 11. The second pick-and-place claw 24 is located between the first conveyor belt 11 and the second conveyor belt 12 and is used for grabbing kraft paper on the second conveyor belt 12.
Referring to fig. 3 and 4, the first pick-and-place claw 23 includes a first blocking plate 231 and a second blocking plate 232, the first blocking plate 231 is fixedly connected to the sliding plate 22, the second blocking plate 232 is hinged to the first blocking plate 231, and a limiting plate 233 for preventing the second blocking plate 232 from turning towards the far-away placing device is further disposed on the first blocking plate 231. The second pick-and-place claw 24 comprises a second connecting rod 241 and a vacuum chuck 242, one end of the second connecting rod 241 is fixedly connected with the sliding plate 22, and the other end of the second connecting rod 241 is fixedly connected with an adjusting cylinder for driving the vacuum chuck 242 to lift. The distance between the second connecting bar 241 and the placement device is smaller than the distance between the first connecting bar 241 and the placement device.
When using, brake disc and kraft paper have been placed respectively to first conveyer belt 11 and second conveyer belt 12, at this moment, second baffle 232 is located the brake disc and keeps away from one side of placer, vacuum chuck 242 is located the top of kraft paper, subsequently, adjusting cylinder drive vacuum chuck 242 descends, absorb the kraft paper, slide cylinder 21 drive sliding plate 22 removes towards the placer afterwards, consequently first connecting rod 241 and second connecting rod 241 all can remove towards the placer, and then drive second baffle 232 and vacuum chuck 242 and remove towards the placer, at the in-process that second baffle 232 removed, second baffle 232 can contact with the brake disc, and promote the brake disc and remove. Since the distance between the second connecting rod 241 and the placing device is smaller than the distance between the first connecting rod 241 and the placing device, the kraft paper is first conveyed to the placing device, and then the brake disc passes through the inclined plate 25 under the action of the second baffle 232 and slides onto the kraft paper under the guidance of the inclined plate 25.
Referring to fig. 5 and 6, the placing device includes a rotating disc 31 and a supporting seat 32, the rotating disc 31 and the supporting seat 32 are rotatably connected through a plane bearing, and a driving member for driving the rotating disc 31 to rotate is arranged in the supporting seat 32. The driving part comprises a motor and a speed reducer, a motor shaft of the motor is fixedly connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with the rotating disc 31. The rotating disc 31 is also symmetrically provided with discharge holes 311. The discharge hole 311 is provided with an elastic supporting member. In the present embodiment, the discharge hole 311 has a regular hexagonal shape. The elastic support includes a support plate 61 and a return spring 62. The support plate 61 and the return spring 62 are six and correspond one to one. The support plate 61 has a triangular shape. One side of the supporting plate 61 is hinged with the inner wall of the discharge hole 311, one end of the return spring 62 is fixedly connected with the lower surface of the supporting plate 61, and the other end is fixedly connected with the inner wall of the discharge hole 311.
In another embodiment, the elastic supporting member comprises six rubber supporting plates, each rubber supporting plate is in a triangular shape, one end of each rubber supporting plate is fixedly connected with the inner wall of the discharge hole 311, and a plurality of rubber supporting plates are spliced into a regular hexagon shape to support the brake disc and the kraft paper.
Referring to fig. 3 and 6, the storage device 4 includes a storage plate 42 and a lifting member 41 for driving the storage plate 42 to lift, and the lifting member 41 is an air cylinder or an electric push rod. The receiving plate 42 is located on a side of the rotating disc 31 away from the first conveyor belt 11 and is located right below a movement locus of the discharge hole 311.
When using, when kraft paper and brake disc fall in the top of relief hole 311, kraft paper and brake disc are supported by backup pad 61, rotating disc 31 rotates afterwards for kraft paper and brake disc move to the top of accomodating board 42, transfer device 5 pushes down the brake disc afterwards, the brake disc will exert oneself and conduct to backup pad 61 on, backup pad 61 can oppress reset spring 62 after the atress, and then make reset spring 62 compressed, backup pad 61 rotates downwards, and then make brake disc and kraft paper pass relief hole 311 and remove downwards, and fall on accomodating board 42. The elevation member 41 drives the storage plate 42 to move downward such that the upper surface of the second brake disc positioned on the storage plate 42 is flush with the lower surface of the rotating disc 31. Therefore, when the brake disc falls onto the brake disc stacked on the storage plate 42, the misalignment is not easily caused. When the brake disc falls onto the receiving plate 42, the support plate 61 is restored to the horizontal by the return spring 62.
Referring to fig. 3 and 6, the transfer device 5 includes a pressing lever 52, a fixed plate 51, a first hinge lever 531, a second hinge lever 532, a third hinge lever 533, and a reset pressing mechanism. The pressing lever 52 is made of rubber. The reset pressing mechanism includes a pressing rack 541 and a return spring 542. The fixed plate 51 is installed on the ground, and the first hinge rod 531 and the third hinge rod 533 are both hinged to the fixed plate 51. The first hinge lever 531 is located above the third hinge lever 533. The pressing rod 52 is located above the receiving plate 42, the upper end of the pressing rod 52 is hinged to one end of the first hinge rod 531 close to the rotating disc 31, the other end of the first hinge rod 531 is hinged to the upper end of the second hinge rod 532, and the lower end of the second hinge rod 532 is hinged to one end of the third hinge rod 533 far away from the rotating disc 31. The return spring 542 is located below the third hinge rod 533, and one end of the return spring is fixedly connected to the third hinge rod 533 and the other end of the return spring is fixedly connected to the fixing plate 51. The connection point of the return spring 542 and the third hinge rod 533 is located on the side of the hinge point of the third hinge rod 533 and the fixed plate 51 away from the rotating disk 31. The upper end of the pressing rack 541 is fixedly connected to the accommodating plate 42, and one end of the third hinge rod 533 close to the rotating disk 31 is located at a gap between the teeth of the pressing rack 541.
When the brake disc is used, the lifting member 41 drives the storage plate 42 to descend, and then drives the pressing rack 541 to descend, so that the end, close to the rotating disc 31, of the third hinge rod 533 descends, and therefore the second hinge rod 532 hinged to the other end of the third hinge rod 533 ascends, and then the end, hinged to the first hinge rod 531 and the second hinge rod 532, of the third hinge rod is driven to ascend, so that the other end of the first hinge rod 531 descends, and therefore the pressing rod 52 descends, and the brake disc is pressed out of the material discharge hole 311 onto the storage plate 42. When the pressing force is lowered to the lowest position, the third hinge rod 533 is pulled by the return spring 542 to be restored to the horizontal position, and at this time, one end of the third hinge rod 533 is located at the other tooth gap of the pressing rack 541.
The implementation principle of the production process of the bicycle brake disc in the embodiment of the application is as follows: when the brake disc punching machine is used, the brake disc is punched, so that the weight of the brake disc can be effectively reduced. Simultaneously, the kraft paper is placed through the pad below the brake disc, so that water vapor on the brake disc can be effectively reduced, and the probability of rusting of the brake disc is lowered.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. A production process of a bicycle brake disc is characterized in that: the method comprises the following steps:
blanking, namely positioning and mounting strip-shaped plates, and then performing laser cutting and blanking one by one to obtain a disc material;
punching, namely positioning the side edge of the excircle of the disc material, and then simultaneously punching a side hole, an installation hole, a middle hole and a process hole to enable the disc material to become a hollow brake disc rough blank;
quenching and shaping, namely stacking the brake disc rough blank on a conveyor belt, conveying the rough blank into a mesh belt furnace by a conveyor for heat treatment, taking out the rough blank after the heat treatment is finished, air-cooling to room temperature, tempering the brake disc rough blank, and leveling the brake disc rough blank by a leveling die after the tempering is carried out to the leveling required temperature;
electrophoresis, namely hanging the quenched brake disc and then performing electrophoresis painting to form an electrophoresis paint film protective layer on the surface of the brake disc;
grinding, namely grinding the two working surfaces of the brake disc after electrophoresis to remove the protective layer and ensure that the working surfaces of the brake disc reach the precision required by brake assembly;
cleaning and inspecting, namely cleaning the ground brake disc, inspecting that the surface of the brake disc is not scratched and pits are qualified, and stacking the qualified products by packaging equipment;
Bagging and packaging, namely, independently bagging the brake disc, then stacking the brake disc in a carton, and sealing the carton by using an adhesive tape to finish packaging; the packaging equipment comprises a brake disc conveying device, a kraft paper conveying device, a taking and placing device and a placing device;
the placing device comprises a placing frame, the brake disc conveying device comprises a first conveying belt (11), the kraft paper conveying device comprises a second conveying belt (12), the placing device comprises a first placing claw (23) and a second placing claw (24), the first placing claw (23) is arranged at the first conveying belt (11) and used for grabbing a brake disc on the first conveying belt (11) and placing the brake disc on the placing frame, the second placing claw (24) is arranged at the second conveying belt (12) and used for grabbing kraft paper on the second conveying belt (12) and placing the kraft paper on the placing frame, the placing frame comprises a rotating disc (31) and a supporting seat (32), a driving piece used for driving the rotating disc (31) to rotate is arranged in the supporting seat (32), the packing equipment further comprises a containing device (4) and a transferring device (5), and the containing device (4) comprises a containing plate (42) and a lifting piece (41) used for driving the containing plate (42) to lift up and down The transfer device (5) is used for transferring kraft paper and a brake disc on the rotating disc (31) to the storage plate (42); rotating disc (31) on still be equipped with relief hole (311), relief hole (311) department still be equipped with elastic support spare, elastic support spare be used for supporting kraft paper and brake disc, accomodate board (42) and be located the below of the rotation orbit of relief hole (311), transfer device (5) including pressing lever (52), pressing lever (52) be located the top of accomodating board (42) for press kraft paper and brake disc down to accomodating on board (42).
2. The process for producing a bicycle brake disc according to claim 1, wherein: the elastic supporting piece comprises a supporting plate (61) and a return spring (62), one end of the supporting plate (61) is hinged with the inner wall of the discharge hole (311), one end of the return spring (62) is fixedly connected with the inner wall of the discharge hole (311), and the other end of the return spring is fixedly connected with the lower surface of the supporting plate (61).
3. The process for producing a bicycle brake disc according to claim 1, wherein: the transfer device (5) comprises a fixing plate (51), a first hinged rod (531), a second hinged rod (532) and a third hinged rod (533), wherein the fixing plate (51) is installed on the ground, one end of the first hinged rod (531) is hinged to the upper end of a pressing rod (52), the other end of the first hinged rod is hinged to the upper end of the second hinged rod (532), the first hinged rod (531) is hinged to the fixing plate (51), the lower end of the second hinged rod (532) is hinged to one end of the third hinged rod (533), the third hinged rod (533) is hinged to the fixing plate (51), and the transfer device (5) further comprises a reset pressing mechanism for pressing the other end of the third hinged rod (533).
4. A process for manufacturing a bicycle brake disc according to claim 3, wherein: the reset pressing mechanism comprises a pressing rack (541), the pressing rack (541) is connected with the lifting piece (41) and driven by the lifting piece (41) to move up and down, and one end of the third hinge rod (533) far away from the second hinge rod (532) is located in a tooth gap of the pressing rack (541).
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| CN202110156224.1A CN112935725B (en) | 2021-02-04 | 2021-02-04 | Production process of bicycle brake disc |
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| CN202110156224.1A CN112935725B (en) | 2021-02-04 | 2021-02-04 | Production process of bicycle brake disc |
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| CN112935725B true CN112935725B (en) | 2022-06-28 |
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| US6079611A (en) * | 1998-12-28 | 2000-06-27 | Shimano Inc. | Method of manufacturing ventilated brake disc |
| GB0812201D0 (en) * | 2008-07-04 | 2008-08-13 | Meadwestvaco Packaging Systems | Packaging machine and method therefor |
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