CN114683051B - Processing complete equipment applied to preparation of automobile brake guide pin - Google Patents

Processing complete equipment applied to preparation of automobile brake guide pin Download PDF

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Publication number
CN114683051B
CN114683051B CN202210141077.5A CN202210141077A CN114683051B CN 114683051 B CN114683051 B CN 114683051B CN 202210141077 A CN202210141077 A CN 202210141077A CN 114683051 B CN114683051 B CN 114683051B
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seat
rotating
gear
guide pin
rack
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CN114683051A (en
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丁德全
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Zhenjiang Fusite Auto Parts Co ltd
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Zhenjiang Fusite Auto Parts Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention relates to a processing complete equipment applied to preparation of a guide pin of an automobile brake, which is characterized by comprising a processing table, a feeding and discharging device, a polishing device, a hole forming device and a transferring device, wherein the middle part of the processing table is provided with an installation groove with an annular structure, the middle part of the processing table is enabled to form a fixed boss, the fixed boss is provided with the transferring device, a rotating table is rotatably arranged in the installation groove, the outer side wall of the rotating table is provided with a circle of fixed racks, one end of the installation groove is provided with a gear groove, a driving gear is rotatably arranged in the gear groove, one end of the driving gear is meshed with the fixed racks, and the center of the driving gear is driven to rotate by a rotating motor arranged at the bottom of the processing table; three clamping device that rotate bench evenly distributed, processing bench sets up unloader, grinding device, trompil device, and through the rotation of revolving stage for the uide pin on the clamping device removes grinding device department and trompil device department in proper order, realizes the assembly line processing of uide pin.

Description

Processing complete equipment applied to preparation of automobile brake guide pin
Technical Field
The invention belongs to the technical field of automobile guide pin processing equipment, and particularly relates to processing complete equipment applied to preparation of an automobile brake guide pin.
Background
The brake caliper is one of the automobile parts, and the guide pin is an important component of the brake caliper. The guide pin is used for enabling the brake pad to vertically act on the brake disc under the action of the brake piston. After the guide pin is formed by cold heading, subsequent processing treatments such as hole forming, slotting, polishing and the like are required to be carried out on the guide pin. At present the uide pin when carrying out machine tooling, machining efficiency is lower, needs the manual work to put the uide pin and carry out processing one by one on appointed station usually, and the manual work is carried out the unloading again, goes up unloading inefficiency, has the potential safety hazard moreover, can't satisfy the demand of streamlined production. The guide pin needs to be clamped and positioned in the preparation and machining process, the conventional clamping tool is simple in structure and single in function, the clamping device is adopted to clamp the two ends of the guide pin, the guide pin cannot be driven to rotate, and when the guide pin is polished, sand paper can be manually used for polishing, so that the polishing requirement of the automatic assembly line of the guide pin cannot be met.
Disclosure of Invention
Aiming at the problems, the invention discloses complete processing equipment applied to the preparation of the guide pin of the automobile brake, and solves the problems that the processing equipment in the prior art is simple in structure and cannot meet the requirement of automatic assembly line processing of the guide pin of the automobile.
The specific technical scheme is as follows:
the processing complete equipment applied to the preparation of the guide pin of the automobile brake comprises a processing table, a feeding and discharging device, a polishing device, a hole forming device and a transferring device, wherein a mounting groove with an annular structure is formed in the middle of the processing table, a fixing boss with a circular structure is formed in the middle of the processing table, the transferring device is arranged on the fixing boss, a rotating table with the annular structure is rotatably arranged in the mounting groove, a circle of fixing rack is arranged on the outer side wall of the rotating table, a gear groove is formed in one end of the mounting groove, a driving gear is horizontally rotatably arranged in the gear groove, one end of the driving gear is meshed with the fixing rack on the side wall of the rotating table, and the center of the driving gear is driven to rotate by a rotating motor arranged at the bottom of the processing table; the three clamping devices are uniformly distributed on the rotating table, the feeding and discharging device, the polishing device and the tapping device are sequentially arranged on the machining table outside the rotating table, and the positions of the feeding and discharging device, the polishing device and the tapping device correspond to the positions of one clamping device respectively;
the clamping device comprises a base, a first rack and a second rack, wherein a positioning clamping seat and a supporting seat are fixedly arranged at two ends of the upper surface of the base respectively, a positioning clamping opening with a U-shaped structure is formed in the positioning clamping seat, the size of the positioning clamping opening is matched with that of a conical body of a guide pin and positions the guide pin, a supporting seat plate is arranged on one side, close to the positioning clamping seat, of the supporting seat, and the supporting seat plate is of an arc-shaped structure and supports a pin column of the guide pin; a movable cavity is formed in one end, close to the positioning clamping seat, of the base, a screw rod is horizontally arranged in the movable cavity, one end of the screw rod is movably connected with the inner wall of one end of the movable cavity through a rotating seat, the other end of the screw rod horizontally penetrates through the movable cavity and is elastically connected with a rotating gear, the rotating gear is sequentially meshed with a first rack and a second rack, the first rack and the second rack are respectively located at a polishing device position and a feeding and discharging device position, the first rack and the second rack are both in arc-shaped bending structures and are arranged on the inner side edge of the upper side of the processing table, the first rack is meshed with the lower end of the rotating gear, the second rack is meshed with the upper end of the rotating gear, and when the rotating gear moves, the rotating gear is respectively matched with the first rack and the second rack to drive the screw rod to rotate forwards and reversely; the top of the movable cavity is transversely provided with a sliding opening, the sliding opening is positioned at one end of the positioning clamping seat, one end of the sliding opening extends to the positioning clamping seat, a sliding block is arranged in the sliding opening, the bottom of the sliding block is provided with a threaded sleeve, the threaded sleeve is in threaded connection with the lead screw, the top of the sliding block is provided with a movable seat, a rotating seat is rotatably arranged on the movable seat, one side of the rotating seat is provided with a driven gear with a cylindrical structure, the centers of the rotating seat and the driven gear are provided with positioning openings, and the positioning openings are matched with pin caps of the guide pins, so that the rotating seat is matched with the positioning clamping seat to clamp and position the guide pins;
the polishing device comprises a telescopic cylinder, a polishing support, a sanding block and a driving motor, wherein the polishing support is fixedly arranged on the processing table, the upper end of the polishing support is transversely arranged above the rotating table, the telescopic cylinder is longitudinally arranged at the upper end of the polishing support, the sanding block is arranged at the bottom end of a piston rod of the telescopic cylinder, and the sanding block moves downwards under the driving of the telescopic cylinder and is tightly attached to a guide pin column on the clamping device; the driving motor is arranged on one side of the polishing support, a driving gear is fixedly arranged at the output end of the driving motor, the driving gear is located above the driven gear and meshed with the driven gear, the driving motor is driven to rotate by the aid of the driving gear and the driven gear in a matched mode, and in the rotating process of the rotating seat, the rotating seat is elastically connected with the lead screw through the rotating gear, so that the rotating seat is sleeved with the pin cap of the guide pin through the positioning opening, the guide pin is driven to rotate, and polishing of the guide pin by the sanding block is achieved.
Further, the inside installation cavity that is equipped with of rotary gear, and the lead screw is located one of installation cavity and serves the cover and be equipped with the torsional spring, torsional spring one end is fixed on the installation intracavity wall, and the torsional spring other end is fixed on the lead screw for the lead screw is receiving the unable rotatory time of resistance, and rotary gear can continue to rotate and compress the torsional spring under the cooperation of first rack.
Further, the sliding seat is the arc downwarping setting, and the sliding groove of arc structure is seted up on sliding seat top surface, the bilateral symmetry in sliding groove is equipped with the spacing card strip of arc structure, the activity sets up in the sliding groove the roating seat, the roating seat is circularly, and the roating seat lower extreme is embedded into in the sliding groove, and roating seat both sides edge sets up the draw-in groove of circular structure, draw-in groove and spacing card strip looks adaptation.
Furthermore, a circle of containing groove has been seted up on the roating seat lateral wall, just it is equipped with a plurality of balls, a plurality of to arrange along its length direction in the movable groove the ball all is located in the containing groove for the roating seat bottom is placed on a plurality of balls, and is equipped with respectively bottom the movable groove both ends and is used for carrying out spacing lug to the ball, spacing lug size shape and containing groove size shape looks adaptation.
Furthermore, a plurality of cylindrical rollers are arranged on the upper surface of the positioning bayonet and the upper surface of the supporting plate, so that the positioning bayonet and the supporting plate are in contact with the guide pin through the cylindrical rollers.
Furthermore, the transfer device comprises a lifting cylinder, a lifting bracket, a mounting plate, a transfer wheel, a servo motor and an unloading cylinder, the mounting plate is fixedly arranged on the fixed round platform, one side of the mounting plate, which is close to the loading and unloading device, is provided with the transfer wheel, the axis of the transfer wheel is rotatably connected with the upper end of the mounting plate through a rotating shaft, one end of the rotating shaft is in transmission connection with the output end of the servo motor through a transmission wheel matched transmission belt, the servo motor is arranged at the lower end of the mounting plate, a plurality of transfer grooves for accommodating guide pin pins are uniformly arranged on the outer side wall of the transfer wheel along the circumferential direction, the transfer grooves extend to the two ends of the transfer wheel, the transfer grooves are obliquely arranged, one side of each transfer groove is provided with a lifting part of a shovel-shaped structure, two sides of the transfer wheel are symmetrically provided with limit covers of an arc-shaped structure, one ends of the two limit covers are fixedly connected with the mounting plate, the inner sides of the two limit covers are arranged close to the outer side wall of the transfer wheel, a loading port and a unloading port are respectively formed between the upper end and the lower end of the two limit covers, and the lower end of the two limit covers; the discharging cylinder is arranged at the upper end of the mounting plate and positioned on one side of the rotating shaft, and a piston rod of the discharging cylinder horizontally penetrates through the mounting plate and corresponds to one of the transfer grooves in position, so that the discharging cylinder pushes out a guide pin in the transfer groove through the piston rod; the lifting air cylinder is arranged on one side of the bottom of the processing table, the lifting air cylinder is located under one clamping device close to the feeding and discharging device, the upper end of a piston rod of the lifting air cylinder is provided with the lifting bracket, the lifting bracket is of an arc-shaped bending structure, a containing port used for containing the lifting bracket is formed in the processing table, a lifting port corresponding to the containing port is arranged on a base of each clamping device and on the rotating table in a penetrating mode, the lifting port is located between the positioning clamping seat and the supporting seat, the lifting bracket is enabled to sequentially penetrate through the lifting ports in the rotating seat and the base and support pins of the guide pins under the pushing of the lifting air cylinder, the lifting bracket is located under the discharging port, and therefore when the lifting bracket rises to the position of the discharging port, the guide pins on the lifting bracket are lifted to the transfer groove or the guide pins in the transfer groove fall into the lifting bracket through the rotation of the transfer wheel.
Furthermore, the magnetic adsorption piece with the arc-shaped structure is arranged on the lifting bracket, so that the magnetic adsorption piece can adsorb and fix the pin column of the guide pin.
Furthermore, the feeding and discharging device comprises a finished product box, a discharging guide plate, a feeding support, a feeding box and a feeding guide plate, wherein the feeding support is fixedly arranged on the processing table, the feeding box is fixedly arranged on one side of the feeding support and is positioned above one of the clamping devices, an opening is formed in the bottom of one side of the feeding box, the guide pins are discharged from the opening one by one, the feeding guide plate is arranged at the opening of the feeding box in a downward inclined manner, the feeding guide plate is used for arranging a plurality of guide pins one by one, and the lower end of the feeding guide plate extends to the feeding openings of the two limiting covers; finished product case is fixed to be set up on the processing bench, and finished product case one side top tilt up sets up the unloading baffle, and the upper end of unloading baffle extends to the one end of feed opening to make the transfer wheel on the uide pin that drops fall on the unloading baffle.
Furthermore, a baffle is vertically arranged at the top of one of the limiting covers and used for blocking a guide pin at the lowest end of the feeding guide plate.
Further, the trompil device includes sharp module, displacement seat, trompil motor, tapping drill, sharp module sets up on the processing bench, sets up on the slider of sharp module the displacement seat is installed on the displacement seat the trompil motor, the output fixed connection of trompil motor tapping drill for sharp module drives the displacement seat and removes to the rotation platform direction, and makes tapping drill carry out the tapping trompil to the round pin cap of uide pin.
The invention has the following beneficial effects:
(1) According to the invention, through the rotation of the rotating table, the guide pins on the clamping device are sequentially moved to the polishing device and the hole opening device for processing one by one, so that the assembly line processing of the guide pins is realized; go up unloader and pass through transfer device's cooperation, realize on the unloading baffle uide pin through the transfer wheel material loading to clamping device or promote the uide pin on the clamping device to the transfer wheel on through promoting the bracket to under the effect of the cylinder of unloading, realize unloading of uide pin, need not artifical material loading, through automatic material loading and unloading, improved machining efficiency greatly.
(2) According to the clamping device, the guide pin is clamped and positioned by matching the rotary seat and the positioning clamping seat, the screw rod is driven to rotate under the matching of the rotary gear and the annular rack through the rotation of the rotary table, one side of the rotary seat is attached to the pin cap of the guide pin, when the screw rod cannot rotate under the resistance, the rotary gear can continue to rotate and advance under the matching of the rotary gear and the first rack through the compression torsion spring, and finally when the clamping device moves to the position of the polishing device, the driven gear is meshed with the driving gear and is connected with the driving gear, so that the driven gear and the rotary seat rotate, the rotary seat is sleeved on the pin cap of the guide pin through the positioning opening, the guide pin is driven to rotate, the phenomenon of slipping when the guide pin rotates is effectively prevented, and the requirement for automatic polishing is met.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is a side sectional view of the present invention.
Fig. 4 is a top view of the clamping device of the present invention.
Fig. 5 is a side sectional view of the clamping device of the present invention.
Fig. 6 is a sectional view of a rotary gear in the present invention.
Fig. 7 is a schematic structural view between the transfer wheel and the lifting bracket of the present invention.
The processing device comprises a processing table 1, a mounting groove 11, a gear groove 111, a driving gear 112, a fixed boss 12, a rotating table 13, a fixed rack 131, a lifting port 132, a rotating motor 14 and an accommodating port 15;
the clamping device 2, the base 21, the movable cavity 211, the lead screw 212, the torsion spring 2121, the rotating seat 213, the rotating gear 214, the mounting cavity 2141, the sliding opening 215, the sliding block 216, the threaded sleeve 217, the first rack 22, the second rack 23, the positioning clamping seat 24, the positioning clamping opening 241, the cylindrical roller 242, the supporting seat 25, the supporting plate 251, the movable seat 26, the movable groove 261, the limiting convex block 2611, the limiting clamping strip 262, the rotating seat 27, the clamping groove 271, the accommodating groove 272, the ball 273, the driven gear 274 and the positioning opening 275;
the automatic feeding and discharging device comprises a feeding and discharging device 3, a finished product box 31, a feeding guide plate 32, a feeding support 33, a feeding box 34 and a feeding guide plate 35;
the polishing device 4, a telescopic cylinder 41, a polishing bracket 42, a sanding block 43, a driving motor 44 and a driving gear 441;
the drilling device 5, the linear module 51, the displacement seat 52, the drilling motor 53 and the tapping drill 54;
the device comprises a transfer device 6, a lifting cylinder 61, a lifting bracket 62, a magnetic adsorption sheet 621, a mounting plate 63, a transfer wheel 64, a rotating shaft 641, a transfer groove 642, a lifting part 643, a limit cover 644, a feeding port 645, a discharging port 646, a baffle 647, a servo motor 65, a transmission wheel 651, a transmission belt 652 and a discharging cylinder 66.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be realized by welding, bolt and nut connection and screw connection.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-7, the processing complete equipment applied to the preparation of the guide pin of the brake of the automobile comprises a processing table 1, a loading and unloading device 3, a polishing device 4, a hole forming device 5 and a transferring device 6, wherein a mounting groove 11 with an annular structure is formed in the middle of the processing table 1, a fixing boss 12 with a circular structure is formed in the middle of the processing table 1, the transferring device 6 is arranged on the fixing boss 12, a rotating table 13 with a circular structure is rotatably arranged in the mounting groove 11, a circle of fixing rack 131 is arranged on the outer side wall of the rotating table 13, a gear groove 111 is formed at one end of the mounting groove 11, a driving gear 112 is horizontally rotatably arranged in the gear groove 111, one end of the driving gear 112 is engaged with the fixing rack 131 on the side wall of the rotating table 13, and the center of the driving gear 112 is driven to rotate by a rotating motor 14 arranged at the bottom of the processing table 1; the three clamping devices 2 are uniformly distributed on the rotating table 13, the feeding and discharging device 3, the polishing device 4 and the hole forming device 5 are sequentially arranged on the processing table 1 and positioned outside the rotating table 13, and the positions of the feeding and discharging device 3, the polishing device 4 and the hole forming device 5 respectively correspond to the positions of one clamping device 2;
the clamping device 2 comprises a base 21, a first rack 22 and a second rack 23, wherein a positioning clamping seat 24 and a supporting seat 25 are respectively and fixedly arranged at two ends of the upper surface of the base 21, a positioning clamping opening 241 with a U-shaped structure is formed in the positioning clamping seat 24, the size of the positioning clamping opening 241 is matched with that of a conical body of a guide pin and used for positioning the guide pin, a supporting seat plate is arranged on one side, close to the positioning clamping seat 24, of the supporting seat 25, and the supporting seat plate is of an arc-shaped structure and used for supporting a pin column of the guide pin; a movable cavity 211 is formed in one end, close to the positioning clamping seat 24, of the base 21, a screw rod 212 is horizontally arranged in the movable cavity 211, one end of the screw rod 212 is movably connected with the inner wall of one end of the movable cavity 211 through a rotating seat 213, the other end of the screw rod 212 horizontally penetrates through the movable cavity 211 and is elastically connected with a rotating gear 214, the rotating gear 214 is sequentially meshed with a first rack 22 and a second rack 23, the first rack 22 and the second rack 23 are respectively located at the position of the polishing device 4 and the position of the loading and unloading device 3, the first rack 22 and the second rack 23 are both arc-shaped bending structures and are arranged on the inner side edge of the processing table 1, the first rack 22 is meshed with the lower end of the rotating gear 214, the second rack 23 is meshed with the upper end of the rotating gear 214, and when the rotating gear 214 moves, the rotating gear 214 is respectively matched with the first rack 22 and the second rack to drive the screw rod 212 to rotate in a forward direction and a reverse direction; a sliding opening 215 is transversely formed in the top of the movable cavity 211, the sliding opening 215 is located at one end of the positioning clamping seat 24, one end of the sliding opening 215 extends to the positioning clamping seat 24, a sliding block 216 is arranged in the sliding opening 215, a threaded sleeve 217 is arranged at the bottom of the sliding block 216, the threaded sleeve 217 is in threaded connection with the lead screw 212, a movable seat 26 is arranged at the top of the sliding block 216, a rotating seat 27 is rotatably arranged on the movable seat 26, a driven gear 274 with a cylindrical structure is arranged on one side of the rotating seat 27, positioning openings 275 are formed in the centers of the rotating seat 27 and the driven gear 274, the positioning openings 275 are in a regular hexagonal structure and are matched with pin caps of guide pins, and the rotating seat 27 is matched with the positioning clamping seat 24 to clamp and position the guide pins;
the polishing device 4 comprises a telescopic cylinder 41, a polishing support 42, a sanding block 43 and a driving motor 44, the polishing support 42 is fixedly arranged on the processing table 1, the upper end of the polishing support 42 is transversely arranged above the rotating table 13, the telescopic cylinder 41 is longitudinally arranged at the upper end of the polishing support 42, the sanding block 43 is arranged at the bottom end of a piston rod of the telescopic cylinder 41, and the sanding block 43 is driven by the telescopic cylinder 41 to move downwards and is tightly attached to a guide pin column on the clamping device 2; the driving motor 44 is arranged on one side of the polishing support 42, a driving gear 441 is fixedly arranged at the output end of the driving motor 44, the driving gear 441 is positioned above the driven gear 274 and is meshed with the driven gear 274, so that the driving motor 44 drives the rotary base 27 to rotate through the matching of the driving gear 441 and the driven gear 274, and in the rotating process of the rotary base 27, under the elastic connection action of the rotary gear 214 and the screw rod 212, the rotary base 27 is sleeved on a pin cap of the guide pin through the positioning hole 275, so that the guide pin is driven to rotate, and the guide pin is polished by the sanding block 43.
Further, the inside installation cavity 2141 that is equipped with of rotary gear 214, and the cover is equipped with torsional spring 2121 on the one end that lead screw 212 is located installation cavity 2141, torsional spring 2121 one end is fixed on the installation cavity 2141 inner wall, and the torsional spring 2121 other end is fixed on lead screw 212 for when lead screw 212 receives the unable rotation of resistance, rotary gear 214 can continue to rotate and compress torsional spring 2121 with the cooperation of first rack 22 down.
Further, movable seat 26 is the arc downwarping setting, and movable seat 26 top surface sets up the activity groove 261 of arc structure, the bilateral symmetry in activity groove 261 is equipped with the spacing card strip 262 of arc structure, the activity sets up in the activity groove 261 roating seat 27, roating seat 27 is circularly, and roating seat 27 lower extreme is embedded into in the activity groove 261, and roating seat 27 both sides edge sets up the draw-in groove 271 of circular structure, draw-in groove 271 and spacing card strip 262 looks adaptation.
Furthermore, a circle of containing groove 272 has been seted up on the lateral wall of roating seat 27, just it is equipped with a plurality of balls 273 to arrange along its length direction in the activity groove 261, and is a plurality of balls 273 all is located in the containing groove 272 for roating seat 27 bottom is placed on a plurality of balls 273, and is equipped with respectively at activity groove 261 both ends bottom and is used for carrying out spacing lug 2611 to ball 273, spacing lug 2611 size shape and the size shape looks adaptation of containing groove 272.
Further, a plurality of cylindrical rollers 242 are mounted on the upper surface of the positioning bayonet 241 and the upper surface of the support plate 251, so that the positioning bayonet 241 and the support plate 251 are in contact with the guide pin through the cylindrical rollers 242, thereby reducing the friction between the guide pin and the positioning clamping seat 24 and the support plate 251, and facilitating the rotation of the guide pin.
Further, the transfer device 6 includes a lifting cylinder 61, a lifting bracket 62, a mounting plate 63, a transfer wheel 64, a servo motor 65 and a discharge cylinder 66, the mounting plate 63 is fixedly disposed on the fixed circular truncated cone, the transfer wheel 64 is disposed on one side of the mounting plate 63 close to the loading and unloading device 3, an axis of the transfer wheel 64 is rotatably connected with an upper end of the mounting plate 63 through a rotating shaft 641, one end of the rotating shaft 641 is in transmission connection with an output end of the servo motor 65 through a transmission wheel 651 in cooperation with a transmission belt, the servo motor 65 is disposed at a lower end of the mounting plate 63, a plurality of transfer grooves 642 for accommodating guide pin pins are uniformly disposed on an outer side wall of the transfer wheel 64 along a circumferential direction, the transfer grooves 642 extend to two ends of the transfer wheel 64, the transfer grooves 642 are obliquely disposed, a lifting portion 643 of a shovel-shaped structure is disposed on one side of the transfer groove 642, limit covers 644 of an arc-shaped structure are symmetrically disposed on two sides of the transfer wheel 64, one end of each of the two limit covers are fixedly connected with the mounting plate 63, inner sides of the two limit covers 644 are disposed close to the outer side wall of the transfer wheel 64, and an upper port 644 and a lower port 646 and a feeding port 645 and a feeding port 646 and a feeding port 645 are disposed between the lower port 645; the discharging cylinder 66 is arranged at the upper end of the mounting plate 63 and is positioned on one side of the rotating shaft 641, and a piston rod of the discharging cylinder 66 horizontally penetrates through the mounting plate 63 and corresponds to one of the transfer slots 642 in position, so that the discharging cylinder 66 pushes out a guide pin in the transfer slot 642 through the piston rod; the lifting cylinder 61 is arranged on one side of the bottom of the processing table 1, the lifting cylinder 61 is located below one clamping device 2 close to the loading and unloading device 3, the lifting bracket 62 is arranged at the upper end of a piston rod of the lifting cylinder 61, the lifting bracket 62 is of an arc-shaped bent structure, the processing table 1 is provided with an accommodating port 15 for accommodating the lifting bracket 62, a lifting port 132 corresponding to the accommodating port 15 penetrates through the base 21 and the rotating table of each clamping device 2, the lifting port 132 is located between the positioning clamping seat 24 and the supporting seat 25, so that the lifting bracket 62 sequentially penetrates through the lifting ports 132 on the rotating seat 27 and the base 21 upwards under the pushing of the lifting cylinder 61 and supports pins of the guide pins, and the lifting bracket 62 is located right below the unloading port 646, when the lifting bracket 62 is lifted to the unloading port 646, the bracket 643 of the transfer groove lifts the guide pins 642 in the lifting groove 62 or allows the guide pins in the transfer groove 642 to fall onto the lifting bracket 62 through the rotation of the transfer wheel 64.
Further, the lifting bracket 62 is provided with a magnetic adsorption piece 621 having an arc-shaped structure, so that the magnetic adsorption piece can adsorb and fix the pin of the guide pin, and the guide pin is prevented from falling.
Further, the feeding and discharging device 3 includes a finished product box 31, a discharging guide plate 32, a feeding support 33, a feeding box 34 and a feeding guide plate 35, the feeding support 33 is fixedly arranged on the processing table 1, the feeding box 34 is fixedly arranged on one side of the feeding support 33, the feeding box 34 is positioned above one of the clamping devices 2, an opening is formed in the bottom of one side of the feeding box 34, and the guide pins are discharged from the opening one by one, the feeding guide plate 35 is arranged at the opening of the feeding box 34 in a downward inclined manner, a plurality of guide pins are arranged on the feeding guide plate 35 one by one, and the lower end of the feeding guide plate 35 extends to a feeding port 645 on two limiting covers 644; the finished product box 31 is fixedly arranged on the processing table 1, the top of one side of the finished product box 31 is arranged on the blanking guide plate 32 in an upward inclined manner, and the upper end of the blanking guide plate 32 extends to one end of the blanking port 646, so that the transfer wheel 64 drops the guide pins and falls on the blanking guide plate 32.
Further, a baffle 647 is vertically arranged on the top of one of the limiting covers 644 and is used for blocking a guide pin at the lowest end of the feeding guide plate 35.
Further, the tapping device 5 includes a linear module 51, a displacement seat 52, a tapping motor 53 and a tapping drill 54, the linear module 51 is disposed on the machining table 1, the displacement seat 52 is disposed on a slider of the linear module 51, the tapping motor 53 is mounted on the displacement seat 52, and an output end of the tapping motor 53 is fixedly connected to the tapping drill 54, so that the linear module 51 drives the displacement seat 52 to move towards the direction of the rotating table 13, and the tapping drill 54 taps and taps the pin cap of the guide pin.
The working principle is as follows: when the rotating device is used for feeding, the servomotor 65 drives the transfer wheel 64 to rotate, so that the guide pin at the lowermost end of the feeding guide plate 35 rolls down into the transfer groove 642 through the feeding port 645 at the upper ends of the two limit covers 644, meanwhile, the lifting cylinder 61 pushes the lifting bracket 62 to upwards pass through the rotating table 13 and the base 21 and move to the position of the discharging port 646, the servomotor 65 continues to drive the transfer wheel 64 to rotate, so that the transfer groove 642 moves to the position of the discharging port 646, and then the guide pin in the transfer groove 642 rolls down onto the lifting bracket 62 and is adsorbed and fixed through the magnetic adsorption piece 621; the lifting bracket 62 drives the guide pin to descend, and the two ends of the guide pin are supported and positioned by the positioning clamping seat 24 and the supporting seat 25, so that the feeding is completed; during discharging, the lifting bracket 62 drives the guide pins to rise to the feeding ports 645 of the two limit covers 644, the lifting portion 643 of the transfer slot 642 lifts the guide pins on the lifting bracket 62 into the transfer slot 642 by rotation of the transfer wheel 64, the transfer wheel 64 stops after continuing to rotate, and the discharging cylinder 66 pushes out the guide pins in the transfer slot 642 through the piston rod and falls into the middle product box 31 through the discharging guide plate 32.
When the clamping device 2 clamps the guide pin, the rotating gear 214 moves towards the polishing device 4 and drives the screw rod 212 to rotate forward by matching with the first rack 22 through the rotation of the rotating table, so that the rotating seat 27 moves and one side of the rotating seat 27 is attached to the pin cap of the guide pin, and along with the continuous rotation of the rotating table, when the screw rod 212 cannot rotate due to resistance, the rotating gear 214 can continue to rotate and advance by matching with the first rack 22 through the compression torsion spring 2121, and finally, when the clamping device 2 moves to the position of the polishing device 4, the driven gear 274 is meshed with the driving gear 441, so that the driven gear 274 and the rotating seat 27 rotate, the rotating seat 27 is successfully sleeved on the pin cap of the guide pin through the positioning hole 275, the rotating seat 27 is matched with the positioning clamping seat 24 to clamp and position the guide pin, and the rotating seat 27 drives the guide pin to rotate on the positioning clamping seat 24 and the supporting seat 25; along with the rotation of the rotating platform, the rotating gear 214 moves towards the upper blanking device 3 and cooperates with the second rack 23 to drive the screw rod 212 to rotate reversely, so that the rotating base 27 no longer positions the guide pin.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (4)

1. The processing complete equipment is applied to the preparation of the guide pin of the automobile brake and is characterized by comprising a processing table, a feeding and discharging device, a polishing device, a hole forming device and a transferring device, wherein the middle part of the processing table is provided with an installation groove of an annular structure, the middle part of the processing table is enabled to form a fixed boss of a circular structure, the transferring device is arranged on the fixed boss, a rotating table with an annular structure is rotatably arranged in the installation groove, the outer side wall of the rotating table is provided with a circle of fixed racks, one end of the installation groove is provided with a gear groove, the middle part of the gear groove is horizontally provided with a driving gear in a rotating mode, one end of the driving gear is meshed with the fixed racks on the side wall of the rotating table and is connected with the center of the driving gear in a driving mode through a rotating motor arranged at the bottom of the processing table; the three clamping devices are uniformly distributed on the rotating table, the feeding and discharging device, the polishing device and the tapping device are sequentially arranged on the machining table outside the rotating table, and the positions of the feeding and discharging device, the polishing device and the tapping device correspond to the positions of one clamping device respectively;
the clamping device comprises a base, a first rack and a second rack, a positioning clamping seat and a supporting seat are fixedly arranged at two ends of the upper surface of the base respectively, a positioning clamping opening with a U-shaped structure is formed in the positioning clamping seat, the size of the positioning clamping opening is matched with that of a conical body of the guide pin and positions the guide pin, a supporting seat plate is arranged on one side, close to the positioning clamping seat, of the supporting seat, the supporting seat plate is of an arc-shaped structure and supports a pin column of the guide pin; a movable cavity is formed in one end, close to the positioning clamping seat, of the base, a screw rod is horizontally arranged in the movable cavity, one end of the screw rod is movably connected with the inner wall of one end of the movable cavity through a rotating seat, the other end of the screw rod horizontally penetrates through the movable cavity and is elastically connected with a rotating gear, the rotating gear is sequentially meshed with a first rack and a second rack, the first rack and the second rack are respectively located at the position of a polishing device and the position of a feeding and discharging device, the first rack and the second rack are both of arc-shaped bending structures and are arranged on the inner side edge of the upper side of a processing table, the first rack is meshed with the lower end of the rotating gear, the second rack is meshed with the upper end of the rotating gear, and when the rotating gear moves, the rotating gear is respectively matched with the first rack and the second rack to drive the screw rod to rotate forwards and reversely; the top of the movable cavity is transversely provided with a sliding opening, the sliding opening is positioned at one end of the positioning clamping seat, one end of the sliding opening extends to the positioning clamping seat, a sliding block is arranged in the sliding opening, the bottom of the sliding block is provided with a threaded sleeve, the threaded sleeve is in threaded connection with the lead screw, the top of the sliding block is provided with a movable seat, a rotating seat is rotatably arranged on the movable seat, one side of the rotating seat is provided with a driven gear with a cylindrical structure, the centers of the rotating seat and the driven gear are provided with positioning openings, and the positioning openings are matched with pin caps of the guide pins, so that the rotating seat is matched with the positioning clamping seat to clamp and position the guide pins;
the polishing device comprises a telescopic cylinder, a polishing support, a sanding block and a driving motor, wherein the polishing support is fixedly arranged on the processing table, the upper end of the polishing support is transversely arranged above the rotating table, the telescopic cylinder is longitudinally arranged at the upper end of the polishing support, the sanding block is arranged at the bottom end of a piston rod of the telescopic cylinder, and the sanding block moves downwards under the driving of the telescopic cylinder and is tightly attached to a guide pin column on the clamping device; the driving motor is arranged on one side of the polishing support, a driving gear is fixedly arranged at the output end of the driving motor, the driving gear is positioned above the driven gear and is meshed with the driven gear, the driving motor is matched with the driven gear through the driving gear to drive the rotating seat to rotate, and in the rotating process of the rotating seat, under the elastic connection action of the rotating gear and the lead screw, the rotating seat is sleeved on the pin cap of the guide pin through the positioning hole, so that the guide pin is driven to rotate, and the guide pin is polished by the sanding block;
the rotary gear is internally provided with an installation cavity, one end of the screw rod, which is positioned in the installation cavity, is sleeved with a torsion spring, one end of the torsion spring is fixed on the inner wall of the installation cavity, and the other end of the torsion spring is fixed on the screw rod, so that when the screw rod cannot rotate under resistance, the rotary gear is matched with the first rack to continue to rotate and compress the torsion spring;
the rotary seat is movably arranged in the movable groove, the rotary seat is circular, the lower end of the rotary seat is embedded into the movable groove, clamping grooves with circular structures are formed in the edges of two sides of the rotary seat, the clamping grooves are matched with the limiting clamping strips, and the movable seat is rotatably connected with the rotary seat;
the outer side wall of the rotating seat is provided with a circle of accommodating grooves, a plurality of balls are arranged in the movable groove along the length direction of the movable groove, the balls are all positioned in the accommodating grooves, the bottom end of the rotating seat is placed on the balls, the bottoms of the two ends of the movable groove are respectively provided with a limiting lug for limiting the balls, and the size and shape of the limiting lug are matched with those of the accommodating grooves;
the upper surfaces of the positioning bayonets and the supporting plate are respectively provided with a plurality of cylindrical rollers, so that the positioning bayonets and the supporting plate are in contact with the guide pins through the cylindrical rollers;
the conveying device comprises a lifting cylinder, a lifting bracket, a mounting plate, a conveying wheel, a servo motor and an unloading cylinder, wherein the mounting plate is fixedly arranged on a fixed round platform, one side of the mounting plate, which is close to the feeding and discharging device, is provided with the conveying wheel, the axle center of the conveying wheel is rotatably connected with the upper end of the mounting plate through a rotating shaft, one end of the rotating shaft is in transmission connection with the output end of the servo motor through a driving wheel matched transmission belt, the servo motor is arranged at the lower end of the mounting plate, a plurality of conveying grooves for containing guide pin pins are uniformly formed in the circumferential direction on the outer side wall of the conveying wheel, the conveying grooves extend to the two ends of the conveying wheel, the conveying grooves are obliquely arranged, a lifting part of a shovel-shaped structure is arranged on one side of each conveying groove, limiting covers of an arc-shaped structure are symmetrically arranged on the two sides of the conveying wheel, one ends of the two limiting covers are fixedly connected with the mounting plate, the inner sides of the two limiting covers are arranged close to the outer side wall of the conveying wheel, a feeding port and a discharging port are respectively formed between the upper end and the lower end of the two limiting covers; the discharging cylinder is arranged at the upper end of the mounting plate and positioned on one side of the rotating shaft, and a piston rod of the discharging cylinder horizontally penetrates through the mounting plate and corresponds to one of the transfer grooves in position, so that the discharging cylinder pushes out a guide pin in the transfer groove through the piston rod; the lifting cylinder is arranged on one side of the bottom of the processing table and is positioned under one clamping device close to the feeding and discharging device, the lifting bracket is arranged at the upper end of a piston rod of the lifting cylinder and is of an arc-shaped bent structure, the processing table is provided with an accommodating port for accommodating the lifting bracket, lifting ports corresponding to the accommodating ports are arranged on the base of each clamping device and the rotating table in a penetrating manner, the lifting ports are positioned between the positioning clamping seat and the supporting seat, so that the lifting bracket sequentially penetrates through the lifting ports on the rotating seat and the base upwards under the pushing of the lifting cylinder and supports pin columns of the guide pins, and the lifting bracket is positioned under the discharging port, so that when the lifting bracket is lifted to the discharging port, the guide pins on the lifting bracket are lifted into the transfer groove by the lifting part of the transfer groove or the guide pins in the transfer groove fall into the lifting bracket through the rotation of the transfer wheel;
the lifting bracket is provided with a magnetic adsorption sheet with an arc-shaped structure, so that the magnetic adsorption sheet can adsorb and fix the pin of the guide pin.
2. The processing complete equipment applied to the preparation of the guide pins of the automobile brake as claimed in claim 1, wherein the loading and unloading device comprises a finished product box, a blanking guide plate, a loading bracket, a loading box and a loading guide plate, the loading bracket is fixedly arranged on the processing table, the loading box is fixedly arranged on one side of the loading bracket and is positioned above one of the clamping devices, the bottom of one side of the loading box is provided with an opening, so that the guide pins are discharged from the opening one by one, the loading guide plate is arranged at the opening of the loading box in a downward inclined manner, the loading guide plate is provided with a plurality of guide pins one by one, and the lower end of the loading guide plate extends to the loading openings on the two limiting covers; finished product case is fixed to be set up on the processing bench, and finished product case one side top tilt up sets up the unloading baffle, and the upper end of unloading baffle extends to the one end of feed opening to make the transport wheel on the uide pin that drops fall the unloading baffle.
3. The processing kit for preparing the guide pin of the brake of the automobile as claimed in claim 2, wherein a baffle plate is vertically provided on the top of one of the position-limiting covers, and the baffle plate is used for blocking the guide pin at the lowest end of the feeding guide plate.
4. The machining complete equipment applied to the preparation of the guide pin of the automobile brake as claimed in claim 1, wherein the tapping device comprises a linear module, a displacement seat, a tapping motor and a tapping drill, the linear module is arranged on the machining table, the displacement seat is arranged on a sliding block of the linear module, the tapping motor is installed on the displacement seat, and an output end of the tapping motor is fixedly connected with the tapping drill, so that the linear module drives the displacement seat to move towards the rotating table, and the tapping drill taps and holes the pin cap of the guide pin.
CN202210141077.5A 2022-02-16 2022-02-16 Processing complete equipment applied to preparation of automobile brake guide pin Active CN114683051B (en)

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Application Number Priority Date Filing Date Title
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CN116786679B (en) * 2023-08-24 2023-10-31 河北傲强金属制品集团有限公司 Clamping tool table convenient for production and processing of anti-seismic support

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403285A (en) * 1933-05-03 1933-12-21 Abram Darst Wilt Jr Improvements in metal cutting and like machine tools
CN102049980A (en) * 2009-11-03 2011-05-11 科希股份有限公司 Device for lifting a bottom side wall of a tyre in a tyre removing machine
CN111037293A (en) * 2019-12-11 2020-04-21 丁童 Automatic processing equipment for automobile flange yoke
CN111874704A (en) * 2020-06-01 2020-11-03 崔建中 Winding equipment special for melt-blown production
CN112025432A (en) * 2020-09-15 2020-12-04 付永生 Multi-angle synchronous efficient polishing equipment for automobile brake disc
CN112296685A (en) * 2020-03-02 2021-02-02 周云飞 Automatic surface polishing and efficient drilling device for automobile brake disc
CN112357535A (en) * 2020-11-05 2021-02-12 苏州南师大科技园投资管理有限公司 A work piece distribution mechanism for wisdom is produced line
CN112623712A (en) * 2019-09-22 2021-04-09 葛巧红 Working method of disc workpiece ball placing mechanism
CN214417706U (en) * 2020-11-27 2021-10-19 镇江福斯特汽车零部件有限公司 Tapping device is used in automobile brake's pilot pin processing
CN113601182A (en) * 2021-07-19 2021-11-05 深圳市康瑞龙数控科技有限公司 Nonstandard part polishing and drilling device capable of detecting roughness of part
CN114623175A (en) * 2021-12-28 2022-06-14 镇江福斯特汽车零部件有限公司 Safety guide pin structure for automobile brake

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403285A (en) * 1933-05-03 1933-12-21 Abram Darst Wilt Jr Improvements in metal cutting and like machine tools
CN102049980A (en) * 2009-11-03 2011-05-11 科希股份有限公司 Device for lifting a bottom side wall of a tyre in a tyre removing machine
CN112623712A (en) * 2019-09-22 2021-04-09 葛巧红 Working method of disc workpiece ball placing mechanism
CN111037293A (en) * 2019-12-11 2020-04-21 丁童 Automatic processing equipment for automobile flange yoke
CN112296685A (en) * 2020-03-02 2021-02-02 周云飞 Automatic surface polishing and efficient drilling device for automobile brake disc
CN111874704A (en) * 2020-06-01 2020-11-03 崔建中 Winding equipment special for melt-blown production
CN112025432A (en) * 2020-09-15 2020-12-04 付永生 Multi-angle synchronous efficient polishing equipment for automobile brake disc
CN112357535A (en) * 2020-11-05 2021-02-12 苏州南师大科技园投资管理有限公司 A work piece distribution mechanism for wisdom is produced line
CN214417706U (en) * 2020-11-27 2021-10-19 镇江福斯特汽车零部件有限公司 Tapping device is used in automobile brake's pilot pin processing
CN113601182A (en) * 2021-07-19 2021-11-05 深圳市康瑞龙数控科技有限公司 Nonstandard part polishing and drilling device capable of detecting roughness of part
CN114623175A (en) * 2021-12-28 2022-06-14 镇江福斯特汽车零部件有限公司 Safety guide pin structure for automobile brake

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