CN113664180A - Mould device for bicycle hub - Google Patents
Mould device for bicycle hub Download PDFInfo
- Publication number
- CN113664180A CN113664180A CN202110941730.1A CN202110941730A CN113664180A CN 113664180 A CN113664180 A CN 113664180A CN 202110941730 A CN202110941730 A CN 202110941730A CN 113664180 A CN113664180 A CN 113664180A
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- frame
- mould
- mould frame
- installation block
- rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold device for a bicycle hub. The automatic feeding device comprises a base, wherein a supporting column is fixedly arranged on one side of the top end of the base, a feeding device is fixedly arranged on the top end of the supporting column, the feeding device comprises a fixing frame, a driving motor, a first screw rod and an installation block, the driving motor is fixedly arranged on one side of the outer wall of the fixing frame, the first screw rod is fixedly connected to one side of an output shaft of the driving motor, sliding grooves are formed in two sides of the inner wall of the fixing frame, the installation block is slidably arranged on one side of each sliding groove, the first screw rod penetrates through one side of the installation block, a plurality of balls are arranged on the contact part of the installation block and the second screw rod, a feeding barrel is arranged on one side of the installation block, and a hub die frame is arranged at the bottom of one side of the installation block, which is far away from the driving motor. The mold device for the bicycle hub has the advantages of simple structure, low cost, high efficiency and high automation degree, and can effectively solve the problems in the background technology.
Description
Technical Field
The invention relates to the technical field of bicycle hub production, in particular to a mold device for a bicycle hub.
Background
The bicycle riding is already a very popular competitive sport among amateurs and professionals, and has the advantages of environmental protection, emission reduction, convenient use, environmental protection and the like. Whether the bicycle is used for recreation, transportation or competition, the bicycle industry is constantly improving the various components of the bicycle and the hub of the bicycle. One of the most important aspects of a bicycle is the rotation of the wheels relative to the frame of the bicycle. Therefore, it is important that the constructed wheel is low in price and easy to assemble, and good performance can be kept, the bicycle integrated wheel is mainly formed by casting magnesium alloy, the hub shaft and the hub are connected through a plurality of spokes, the hub shaft of the bicycle integrated wheel is provided with a mounting cavity for mounting a brake assembly, and the hub shaft, the spokes and the hub are of a die-casting integrated structure.
The existing bicycle integrated wheel is mostly produced by a gravity casting method, aluminum alloy solution is poured into a mold by utilizing gravity, the aluminum alloy solution is processed and polished by a lathe after being formed, and production can be completed.
Disclosure of Invention
The invention aims to provide a mold device for a bicycle hub, which has the advantages of simple structure, low cost, high efficiency and high automation degree and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a mold device for a bicycle hub comprises a base, wherein a supporting column is fixedly installed on one side of the top end of the base, a feeding device is fixedly installed on the top end of the supporting column and comprises a fixing frame, a driving motor, a first lead screw and an installation block, the driving motor is fixedly installed on one side of the outer wall of the fixing frame, the first lead screw is fixedly connected to one side of an output shaft of the driving motor, sliding grooves are formed in two sides of the inner wall of the fixing frame, an installation block is slidably installed on one side of each sliding groove, the first lead screw penetrates through one side of the installation block, a plurality of balls are arranged on a contact part of the installation block and the second lead screw, a feeding barrel is arranged on one side of the installation block, a hub mold frame is arranged at the bottom of one side, away from the driving motor, of the installation block, and consists of an upper mold frame, a lower mold frame, a left mold frame and a right mold frame, and a second lead screw is fixedly arranged on one side, close to the hub die frame, of the mounting block, and the second lead screw is in transmission connection with a lifting mechanism used for moving the upper die frame up and down.
Preferably, elevating system includes link, lifting frame and drive gear, the link is fixed and is kept away from driving motor one end at the mount, be provided with the lifting frame in the link, mould frame on the fixedly connected with of lifting frame bottom one side through connection frame bottom one side, the lifting frame inner wall is provided with a plurality of evenly distributed's tooth, just be close to tooth one side movable mounting in the link and have drive gear, drive gear and lifting frame inner wall one side intermeshing, lifting frame one side sets up the splicing mechanism who is used for wheel hub mould frame assembly moulding.
Preferably, the second screw rod and the transmission gear are both provided with two groups, the transmission gear is respectively and fixedly installed on one side of the inner wall of the lifting frame, the two groups of the second screw rods penetrate through the center of the transmission gear, and a plurality of balls are arranged on the contact parts of the second screw rods, the transmission gear and the transmission gear.
Preferably, the splicing mechanism includes mould frame and amalgamation piece, it is provided with the feed inlet to go up mould frame top, feed inlet bottom end fixedly connected with goes up the mould, it is located mould frame bottom central point and puts to go up the mould, the amalgamation piece is provided with two sets ofly, and two sets of the piece symmetry respectively is installed and is located mould both sides in last mould frame bottom, it has left mould frame, right mould frame to go up mould frame bottom and is located base top movable mounting, and is two sets of the piece of amalgamation runs through left mould frame, right mould frame top one side, piece and left mould frame, right mould frame sliding connection, it has the bed die frame to lie in base top one side fixed mounting between left side mould frame and the right mould frame, bed die frame bottom is provided with the ejection mechanism who is used for the ejection of compact of wheel hub mould.
Preferably, the equal fixed mounting in left side mould frame, right mould frame bottom has the draw runner, just the draw runner bottom sets up the gliding spout of left mould frame of cooperation, right mould frame, one side is provided with left mould and right mould in left side mould frame, the right mould frame, left side mould and right mould contact site all are provided with the fixture block of mutual block, just all be provided with convenient quick refrigerated cooling channel in left side mould and the right mould, cooling channel runs through left mould frame, right mould frame outer wall one side fixedly connected with circulation interface.
Preferably, ejection mechanism includes connecting rod, solid fixed ring and thimble, the equal fixedly connected with connecting rod of left side mould frame, right mould frame bottom one side draw runner, the connecting rod is L shape, just connecting rod top one side is provided with first rack, first rack top one side fixed mounting has drive gear, drive gear and first rack intermeshing, drive gear one side fixed mounting has the second rack of vertical direction, drive gear and second rack intermeshing, first rack and second rack one side all are provided with the stopper, second rack top fixed mounting has solid fixed ring, gu fixed ring top fixed mounting has the thimble.
Preferably, the thimble is provided with a plurality of groups, just thimble evenly distributed is on solid fixed ring top, the thimble is located bed die frame bottom, just bed die inslot in the bed die frame bottom is provided with the opening that corresponds with the thimble.
Preferably, the storage bucket is located one side in the installation piece, the installation piece top is provided with the charge door, the charge door runs through installation piece top one side and extends to the storage bucket top, the installation piece is close to driving motor one side fixed mounting and has the dust guard, the dust guard is retractable high temperature resistant plate, the storage bucket both sides all are provided with the loose axle, the loose axle outside fixedly connected with gear wheel, the gear wheel bottom meshing has the pinion, the pinion shaft runs through installation piece inner wall one side fixedly connected with driving gear, driving gear one side is provided with the pinion rack, driving gear and pinion rack intermeshing, pinion rack bottom fixedly connected with telescopic cylinder.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the mold device for the bicycle hub, the feeding barrel arranged on one side in the mounting block can be transported to a proper position through the feeding device, feeding is carried out in the feeding port, the accuracy can be effectively improved, the toothed plate is pushed to move through the telescopic cylinder, the driving gear meshed with the toothed plate can be rotated through the movement of the toothed plate, the driving gear is rotated to drive the pinion to rotate, the gear wheel meshed with the pinion can be rotated, the feeding barrel can be inclined, the pinion drives the gear wheel to rotate, the inclination angle of the feeding barrel can be accurately controlled, and therefore feeding can be accurately fed through the feeding barrel;
2. the mould device for the bicycle hub is characterized in that a plurality of balls are arranged on a contact part of a second lead screw and a transmission gear, a ball screw motion pair can be formed by the balls and the second lead screw, linear rotary motion can be converted into rotary motion, the transmission gear can be rotated, meanwhile, two groups of transmission gears can be rotated in opposite directions through vertically opposite thread structures in two groups of second lead screws, a lifting frame can move in a vertical direction, the lifting frame pushes the upper mould frame to move downwards, the upper mould frame can move downwards through the arrangement of a splicing mechanism, a splicing block at the bottom of the upper mould frame moves downwards, the splicing block penetrates through the left mould frame and one side of the top end of the right mould frame, and when the splicing block moves downwards, the left mould frame and the right mould frame can slide towards one side of the lower mould frame at the top end of a base, and finally the upper mould frame can slide towards one side of the lower mould frame, The moulds in the lower mould frame, the left mould frame and the right mould frame are spliced and clamped mutually, and the quick and accurate clamping of the moulds in the upper mould frame, the lower mould frame, the left mould frame and the right mould frame is realized by arranging a splicing mechanism;
3. the mold device of the bicycle hub is characterized in that when the left mold frame and the right mold frame are separated from each other by arranging the ejection mechanism, the connecting rods are pushed to move outwards by the sliding strips fixedly arranged at the bottoms of the left die frame and the right die frame, the driving gear meshed with the first rack can be rotated by the outward movement of the connecting rod, the second rack meshed with the driving gear can push the fixing ring to move upwards by the rotation of the driving gear, the thimble uniformly distributed at the top end of the fixing ring can move upwards through the upward movement of the fixing ring, the upward ejection force can be dispersed through the arrangement of the plurality of evenly distributed thimbles, the thimble can be effectively prevented from being broken by the hub due to overlarge stress, the cooled hub can be ejected, the effect of rapidly ejecting the cooled hub is achieved by arranging the ejection mechanism, and the hub is convenient to transport.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a hub mold frame according to the present invention;
FIG. 3 is a schematic perspective view of the feeding device of the present invention;
FIG. 4 is a schematic perspective view of a lower mold frame according to the present invention;
FIG. 5 is a schematic top view of the ejection mechanism of the present invention;
FIG. 6 is a schematic view of the lifting mechanism of the present invention;
FIG. 7 is a cross-sectional view of a base according to the present invention;
fig. 8 is a schematic cross-sectional view of the fixing frame of the present invention.
In the figure: 1. a base; 2. a support pillar; 3. a feeding device; 4. a fixed mount; 5. a drive motor; 6. a first lead screw; 7. mounting blocks; 701. a second lead screw; 8. a sliding groove; 9. a charging barrel; 10. a hub die frame; 11. an upper mold frame; 12. a lower mold frame; 13. a left mold frame; 14. a right mold frame; 15. a lifting mechanism; 16. a connecting frame; 17. a lifting frame; 18. a transmission gear; 19. a splicing mechanism; 20. splicing blocks; 21. an ejection mechanism; 22. a slide bar; 23. a circulation interface; 24. a connecting rod; 25. a fixing ring; 26. a thimble; 27. a first rack; 28. a drive gear; 29. a second rack; 30. a limiting block; 31. a feed inlet; 32. a dust-proof plate; 33. a movable shaft; 34. a pinion gear; 35. a driving gear; 36. a toothed plate; 37. a telescopic cylinder; 38. a chute; 39. a bull gear; 40. a feed inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the utility model provides a mold device of bicycle wheel hub, the on-line screen storage device comprises a base 1, base 1 top one side fixed mounting has support column 2, 2 top fixed mounting of support column has material feeding unit 3, material feeding unit 3 includes mount 4, driving motor 5, first lead screw 6 and installation piece 7, mount 4 outer wall one side fixed mounting has driving motor 5, driving motor 5 output shaft one side fixedly connected with first lead screw 6, mount 4 inner wall both sides are provided with sliding tray 8, sliding tray 8 one side slidable mounting has installation piece 7, first lead screw 6 runs through installation piece 7 one side, the contact part of installation piece 7 and second lead screw 701 is provided with a plurality of balls, one side is provided with charging bucket 9 in the installation piece 7, installation piece 7 keeps away from driving motor 5 one side bottom and is provided with wheel hub mold frame 10, wheel hub mold frame 10 is by last mold frame 11, bed mold frame 12, left mold frame 13, The right die frame 14 is formed, a second lead screw 701 is fixedly mounted on one side, close to the hub die frame 10, of the mounting block 7, and the second lead screw 701 is in transmission connection with a lifting mechanism 15 used for enabling the upper die frame 11 to move up and down.
Through setting up material feeding unit 3, through the first lead screw 6 of 5 output shaft one sides fixedly connected with of driving motor 5, driving motor 5 rotates the first lead screw 6 of drive and rotates, and be provided with a plurality of balls through installation piece 7 and second lead screw 701's contact site, and can constitute ball screw motion pair through ball and lead screw, can turn into linear motion with rotary motion, there is installation piece 7 through 8 one side slidable mounting of sliding tray, it is spacing to installation piece 7, can make installation piece 7 move in sliding tray 8, can be provided with on one side in the installation piece 7 with the charging bucket 9 through setting up material feeding unit 3 and transport suitable position, feed in the feed inlet 31, can effectively improve the precision.
Elevating system 15 includes link 16, lifting frame 17 and drive gear 18, link 16 fixes and keeps away from driving motor 5 one end at mount 4, be provided with lifting frame 17 in the link 16, lifting frame 17 bottom run through link 16 bottom one side fixedly connected with goes up mould frame 11, lifting frame 17 inner wall is provided with a plurality of evenly distributed's tooth, and be close to tooth one side movable mounting in link 16 and have drive gear 18, drive gear 18 and lifting frame 17 inner wall one side intermeshing, lifting frame 17 one side sets up splicing mechanism 19 that is used for wheel hub mould frame 10 assembly moulding.
Referring to fig. 3 and 6, by providing the lifting mechanism 15, when the feeding device 3 transports the mounting block 7 to one end of the connecting frame 16, a transmission gear 18 is movably mounted on one side of the fixing frame 4 close to the teeth. The transmission gear 18 is meshed with one side of the inner wall of the lifting frame 17, when the transmission gear 18 rotates, the lifting frame 17 moves in the vertical direction along with the rotation of the transmission gear 18, the bottom of the lifting frame 17 penetrates through one side of the bottom end of the fixing frame 4 and is fixedly connected with the upper die frame 11, and the upper die frame 11 can move in the vertical direction.
The second lead screws 701 and the transmission gears 18 are respectively provided with two groups, the transmission gears 18 are respectively and fixedly installed on one side of the inner wall of the lifting frame 17, the two groups of the second lead screws 701 penetrate through the center position of the transmission gears 18, and a plurality of balls are arranged on the contact parts of the second lead screws 701 and the transmission gears 18.
Referring to fig. 1, 3 and 6, similarly, a plurality of balls are disposed on the second screw 701 and the contact portion between the transmission gear 18 and the lifting frame 17, and a ball screw motion pair can be formed by the balls and the second screw 701, so that linear rotation motion can be converted into rotation motion, the transmission gear 18 can be rotated, and meanwhile, the rotation directions of the two sets of transmission gears 18 can be opposite to each other through the vertically opposite thread structures in the two sets of second screws 701, so that the lifting frame 17 can move in the vertical direction.
Referring to fig. 2, 4 and 5, when the feeding device 3 drives the feeding barrel 9 to move towards the side of the hub mold frame 10, the lifting frame 17 is driven by the second lead screw 701, when the lifting frame 17 moves downwards in the vertical direction, the lifting frame 17 pushes the upper mold frame 11 to move downwards, the upper mold frame 11 moves downwards by the arrangement of the splicing mechanism 19, the split block 20 at the bottom of the upper mold frame 11 can move downwards by the downward movement of the upper mold frame 11, the split block 20 penetrates through the top ends of the left mold frame 13 and the right mold frame 14, when the split block 20 moves downwards, the left mold frame 13 and the right mold frame 14 can slide towards the side of the lower mold frame 12 at the top end of the base 1, and finally the molds in the upper mold frame 11, the lower mold frame 12, the left mold frame 13 and the right mold frame 14 are spliced and clamped with each other, and the arrangement of the splicing mechanism 19 realizes the splicing of the upper mold frame 11 and the lower mold frame 12, Quick and progressive engagement of the molds within the left mold frame 13 and the right mold frame 14.
Left side mould frame 13, the equal fixed mounting in right side mould frame 14 bottom has draw runner 22, and draw runner 22 bottom sets up left mould frame 13 of cooperation, the gliding spout 38 of right side mould frame 14, left side mould frame 13, one side is provided with left mould and right mould in the right side mould frame 14, left side mould and right mould contact site all are provided with the fixture block of mutual block, and all be provided with convenient quick refrigerated cooling channel in left side mould and the right mould, cooling channel runs through left mould frame 13, right side mould frame 14 outer wall one side fixedly connected with circulation interface 23.
Please refer to fig. 1, 2 and 4, the lifting frame 17 is arranged to push the upper mold frame 11 to move downwards, so that the splicing block 20 moves downwards, the slide bars 22 at the bottoms of the left mold frame 13 and the right mold frame 14 slide in the slide grooves 38, and the left mold and the right mold arranged at one side in the left mold frame 13 and the right mold frame 14 are clamped with each other, meanwhile, cooling channels which are convenient and fast to cool are arranged in the left mold and the right mold, cooling can be accelerated by arranging the cooling channels, and production efficiency is improved.
The ejection mechanism 21 comprises a connecting rod 24, a fixing ring 25 and an ejector pin 26, the left mold frame 13 and the right mold frame 14 are respectively and fixedly connected with the connecting rod 24 through a slide bar 22 on one side of the bottom of the left mold frame and the right mold frame, the connecting rod 24 is L-shaped, a first rack 27 is arranged on one side of the top of the connecting rod 24, a driving gear 28 is fixedly arranged on one side of the top of the first rack 27, the driving gear 28 is meshed with the first rack 27, a second rack 29 in the vertical direction is fixedly arranged on one side of the driving gear 28, the driving gear 28 is meshed with the second rack 29, a limiting block 30 is arranged on one side of each of the first rack 27 and the second rack 29, the fixing ring 25 is fixedly arranged on the top end of the second rack 29, and the ejector pin 26 is fixedly arranged on the top end of the fixing ring 25.
Referring to fig. 5 and 7, when the left mold frame 13 and the right mold frame 14 are separated from each other by the ejection mechanism 21, the slide bar 22 fixedly mounted at the bottom of the left mold frame 13 and the right mold frame 14 pushes the connecting rod 24 to move outward, the connecting rod 24 moves outward, the driving gear 28 engaged with the first rack 27 can rotate, the second rack 29 engaged with the driving gear 28 can push the fixing ring 25 to move upward by the rotation of the driving gear 28, the ejector pins 26 uniformly distributed at the top end of the fixing ring 25 can move upward by the upward movement of the fixing ring 25, and the ejection mechanism 21 is arranged to achieve the effect of ejecting the cooled hub quickly, thereby facilitating the transportation of the hub.
Referring to fig. 5 and 7, the ejector pins 26 are provided with a plurality of groups, the ejector pins 26 are uniformly distributed at the top end of the fixing ring 25, the ejector pins 26 are located at the bottom of the lower mold frame 12, openings corresponding to the ejector pins 26 are formed in the lower mold groove in the bottom of the lower mold frame 12, and the plurality of uniformly distributed ejector pins 26 are arranged to disperse upward ejection force, so that the ejector pins 26 can be effectively prevented from being broken by the hub due to overlarge stress.
One side is located installation piece 7 to the charging bucket 9, 7 tops of installation piece are provided with charge door 40, charge door 40 runs through 7 top one sides of installation piece and extends to 9 tops of charging bucket, installation piece 7 is close to 5 one side fixed mounting of driving motor has dust guard 32, dust guard 32 is retractable high temperature resistant plate, 9 both sides of charging bucket all are provided with loose axle 33, loose axle 33 outside fixedly connected with gear wheel 39, the meshing of gear wheel 39 bottom has pinion 34, pinion 34 axle runs through 7 inner wall one side fixedly connected with driving gear 35 of installation piece, driving gear 35 one side is provided with pinion 36, driving gear 35 and 36 intermeshing of pinion, 36 bottom fixedly connected with telescopic cylinder 37 of pinion rack, prevent through setting up dust guard 32 that the dust from getting into sliding tray 8 in, adsorb on 6 surfaces of first lead screw, thereby influence the accurate pay-off of material feeding unit 3.
Please refer to fig. 8, the toothed plate 36 is pushed to move by the telescopic cylinder 37, the driving gear 35 engaged with the toothed plate 36 can be rotated by the toothed plate 36, the driving gear 35 rotates to drive the pinion 34 to rotate, the gearwheel 39 engaged with the pinion 34 can be rotated, the charging barrel 9 can be inclined, the pinion 34 drives the gearwheel 39 to rotate, the inclination angle of the charging barrel 9 can be accurately controlled, and the charging barrel 9 can accurately discharge the fed materials.
The working principle is as follows: when the mold device of the bicycle hub is used, the driving motor 5 is opened to drive the feeding device 3, the first lead screw 6 is fixedly connected to one side of the output shaft of the driving motor 5, the driving motor 5 rotates to drive the lead screw 6 to rotate, a plurality of balls are arranged at the contact part of the mounting block 7 and the second lead screw 701, a ball screw motion pair can be formed by the balls and the lead screw, the rotary motion can be converted into linear motion, the feeding barrel 9 arranged at one side in the mounting block 7 can be transported to a proper position by arranging the feeding device 3 to feed the material into the feeding hole 31, the precision can be effectively improved, the driving gear 35 meshed with the toothed plate 36 can be rotated by arranging the telescopic cylinder 37 to push the toothed plate 36 to move, the pinion 34 is driven to rotate by rotating the driving gear 35, and the bull gear 39 meshed with the pinion 34 can be rotated, can make charging bucket 9 slope, drive gear wheel 39 through pinion 34 and rotate, can the accurate control charging bucket 9 inclination to realize charging bucket 9 and carry out accurate unloading to the feeding, when material feeding unit 3 will install piece 7 and transport to link 16 one end, have drive gear 18 through being close to tooth one side movable mounting in mount 4. The transmission gear 18 is meshed with one side of the inner wall of the lifting frame 17, when the transmission gear 18 rotates, the lifting frame 17 moves in the vertical direction along with the rotation of the transmission gear 18, the bottom of the lifting frame 17 penetrates through one side of the bottom end of the fixed frame 4 and is fixedly connected with the upper die frame 11, the upper die frame 11 can move in the vertical direction, the lifting frame 17 pushes the upper die frame 11 to move downwards, when the splicing block 20 moves downwards, the left die frame 13 and the right die frame 14 can slide towards one side of the lower die frame 12 at the top end of the base 1, finally, the dies in the upper die frame 11, the lower die frame 12, the left die frame 13 and the right die frame 14 are spliced and clamped with each other, the splicing mechanism 19 is arranged to realize the quick and accurate clamping of the dies in the upper die frame 11, the lower die frame 12, the left die frame 13 and the right die frame 14, when the left die frame 13 and the right die frame 14 are separated from each other, the slide bars 22 fixedly arranged at the bottoms of the left mold frame 13 and the right mold frame 14 push the connecting rods 24 to move outwards, the driving gears 28 meshed with the first racks 27 can be rotated by the outward movement of the connecting rods 24, the second racks 29 meshed with the driving gears 28 can push the fixing rings 25 to move upwards by the rotation of the driving gears 28, the ejector pins 26 uniformly distributed at the top ends of the fixing rings 25 can be moved upwards by the upward movement of the fixing rings 25, the effect of quickly ejecting the cooled hub is achieved by arranging the ejection mechanisms 21, the transportation of the hub is convenient, the upward ejection force is dispersed by arranging the plurality of uniformly distributed ejector pins 26, the ejector pins 26 can be effectively prevented from being broken by the hub due to overlarge stress, and the mold device for the bicycle hub can effectively solve the problem in the manufacturing process of the die casting mold for the conventional bicycle hub, because the pay-off is accurate inadequately, produces the wastrel easily, influences production efficiency and thimble and ejecting to bicycle wheel hub, the problem that causes the broken needle when the demolding is easy has higher practical value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mold device for a bicycle hub, comprising a base (1), characterized in that: the automatic feeding device is characterized in that a supporting column (2) is fixedly mounted on one side of the top end of the base (1), a feeding device (3) is fixedly mounted on the top end of the supporting column (2), the feeding device (3) comprises a fixing frame (4), a driving motor (5), a first lead screw (6) and an installation block (7), the driving motor (5) is fixedly mounted on one side of the outer wall of the fixing frame (4), the first lead screw (6) is fixedly connected to one side of an output shaft of the driving motor (5), sliding grooves (8) are formed in two sides of the inner wall of the fixing frame (4), the installation block (7) is slidably mounted on one side of each sliding groove (8), the first lead screw (6) penetrates through one side of the installation block (7), a plurality of balls are arranged on a contact part of the installation block (7) and the second lead screw (701), a feeding barrel (9) is arranged on one side of the installation block (7), a wheel hub mold frame (10) is arranged at the bottom of the installation block (7) far away from the driving motor (5), wheel hub mould frame (10) comprise last mould frame (11), bed die frame (12), left mould frame (13), right mould frame (14), installation piece (7) are close to wheel hub mould frame (10) one side fixed mounting have second lead screw (701), second lead screw (701) transmission is connected with elevating system (15) that are used for going up mould frame (11) up-and-down motion.
2. The mold assembly for a bicycle hub as defined in claim 1, wherein: elevating system (15) are including link (16), lifting frame (17) and drive gear (18), drive motor (5) one end is kept away from in mount (4) link (16), be provided with lifting frame (17) in link (16), mould frame (11) in the fixedly connected with of lifting frame (17) bottom through link (16) bottom one side, lifting frame (17) inner wall is provided with a plurality of evenly distributed's tooth, just be close to tooth one side movable mounting in link (16) and have drive gear (18), drive gear (18) and lifting frame (17) inner wall one side intermeshing, lifting frame (17) one side sets up splicing mechanism (19) that are used for wheel hub mould frame (10) equipment forming.
3. The mold assembly for a bicycle hub according to claim 2, wherein: the second screw rods (701) and the transmission gears (18) are both provided with two groups, the transmission gears (18) are respectively and fixedly installed on one side of the inner wall of the lifting frame (17), the two groups of the second screw rods (701) penetrate through the center of the transmission gears (18), and a plurality of balls are arranged on the contact parts of the second screw rods (701) and the transmission gears (18).
4. The mold assembly for a bicycle hub as defined in claim 3, wherein: splicing mechanism (19) is including last mould frame (11) and amalgamation piece (20), it is provided with feed inlet (31) to go up mould frame (11) top, mould on feed inlet (31) bottom fixedly connected with, it is located mould frame (11) bottom central point and puts to go up the mould, amalgamation piece (20) are provided with two sets ofly, and two sets of amalgamation piece (20) symmetry respectively is installed and is located mould both sides in last mould frame (11) bottom, it has left mould frame (13), right mould frame (14) to go up mould frame (11) bottom and is located base (1) top movable mounting, and is two sets of amalgamation piece (20) run through left mould frame (13), right mould frame (14) top one side, amalgamation piece (20) and left mould frame (13), right mould frame (14) sliding connection, it has lower mould frame (1) top one side fixed mounting to lie in between left side mould frame (13) and right mould frame (14), it has lower mould frame (1) to lie in base (1) top one side The wheel hub die is characterized by comprising a frame (12), wherein an ejection mechanism (21) for discharging of the wheel hub die is arranged at the bottom of the lower die frame (12).
5. The mold assembly for a bicycle hub as defined in claim 4, wherein: the equal fixed mounting in left side mould frame (13), right mould frame (14) bottom has draw runner (22), just draw runner (22) bottom sets up gliding spout (38) of left mould frame (13), right mould frame (14) of cooperation, one side is provided with left mould and right mould in left side mould frame (13), right mould frame (14), left side mould and right mould contact site all are provided with the fixture block of mutual block, just all be provided with convenient quick refrigerated cooling channel in left side mould and the right mould, cooling channel runs through left mould frame (13), right mould frame (14) outer wall one side fixedly connected with circulation interface (23).
6. The mold assembly for a bicycle hub as defined in claim 5, wherein: the ejection mechanism (21) comprises a connecting rod (24), a fixing ring (25) and an ejector pin (26), the connecting rod (24) is fixedly connected to a slide bar (22) on one side of the bottom of the left mold frame (13) and the right mold frame (14), the connecting rod (24) is L-shaped, a first rack (27) is arranged on one side of the top of the connecting rod (24), a driving gear (28) is fixedly mounted on one side of the top of the first rack (27), the driving gear (28) is meshed with the first rack (27), a second rack (29) in the vertical direction is fixedly mounted on one side of the driving gear (28), the driving gear (28) is meshed with the second rack (29), a limiting block (30) is arranged on one side of the first rack (27) and one side of the second rack (29), the fixing ring (25) is fixedly mounted on the top end of the second rack (29), and the top end of the fixing ring (25) is fixedly provided with an ejector pin (26).
7. The mold assembly for a bicycle hub according to claim 6, wherein: thimble (26) are provided with a plurality of groups, just thimble (26) evenly distributed is on solid fixed ring (25) top, thimble (26) are located bed die frame (12) bottom, just be provided with the opening that corresponds with thimble (26) in the bed die groove in bed die frame (12) bottom.
8. The mold assembly for a bicycle hub as defined in claim 1, wherein: the feed bucket (9) is located one side of the installation block (7), the top end of the installation block (7) is provided with a feed inlet (40), the feed inlet (40) penetrates through one side of the top end of the installation block (7) and extends to the top of the feed bucket (9), one side of the installation block (7) close to a driving motor (5) is fixedly provided with a dustproof plate (32), the dustproof plate (32) is a telescopic high-temperature-resistant plate, both sides of the feed bucket (9) are respectively provided with a movable shaft (33), the outer side of the movable shaft (33) is fixedly connected with a large gear (39), the bottom of the large gear (39) is meshed with a small gear (34), the shaft of the small gear (34) penetrates through one side of the inner wall of the installation block (7) and is fixedly connected with a driving gear (35), one side of the driving gear (35) is provided with a toothed plate (36), and the driving gear (35) is meshed with the toothed plate (36), the bottom end of the toothed plate (36) is fixedly connected with a telescopic cylinder (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110941730.1A CN113664180B (en) | 2021-08-17 | 2021-08-17 | Mould device for bicycle hub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110941730.1A CN113664180B (en) | 2021-08-17 | 2021-08-17 | Mould device for bicycle hub |
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| CN113664180A true CN113664180A (en) | 2021-11-19 |
| CN113664180B CN113664180B (en) | 2021-12-17 |
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| CN202110941730.1A Active CN113664180B (en) | 2021-08-17 | 2021-08-17 | Mould device for bicycle hub |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210949A (en) * | 2021-12-13 | 2022-03-22 | 苏州一松坤五金制品有限公司 | Tubular auto parts die casting die |
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| JP2012096648A (en) * | 2010-11-01 | 2012-05-24 | Honda Motor Co Ltd | Manufacturing method of hub and wheel having the hub |
| CN105903926A (en) * | 2016-06-30 | 2016-08-31 | 南安贤达机械有限公司 | Die-casting die for aluminum alloy wheel hub |
| CN108356237A (en) * | 2018-04-11 | 2018-08-03 | 广东万丰摩轮有限公司 | One mould two-chamber wheel hub Casting Equipment |
| CN109986049A (en) * | 2019-03-25 | 2019-07-09 | 芜湖万联新能源汽车零部件有限公司 | A kind of demoulding mechanism of Machining Automobile Wheel Hub Mould |
| CN111570759A (en) * | 2020-05-29 | 2020-08-25 | 安徽省辉煌机械制造有限公司 | Metal casting die of high-precision shock absorber hub |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012096648A (en) * | 2010-11-01 | 2012-05-24 | Honda Motor Co Ltd | Manufacturing method of hub and wheel having the hub |
| CN105903926A (en) * | 2016-06-30 | 2016-08-31 | 南安贤达机械有限公司 | Die-casting die for aluminum alloy wheel hub |
| CN108356237A (en) * | 2018-04-11 | 2018-08-03 | 广东万丰摩轮有限公司 | One mould two-chamber wheel hub Casting Equipment |
| CN109986049A (en) * | 2019-03-25 | 2019-07-09 | 芜湖万联新能源汽车零部件有限公司 | A kind of demoulding mechanism of Machining Automobile Wheel Hub Mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114210949A (en) * | 2021-12-13 | 2022-03-22 | 苏州一松坤五金制品有限公司 | Tubular auto parts die casting die |
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| CN113664180B (en) | 2021-12-17 |
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