CN111922187A - Automatic impact extrusion wheel spoke louvre mould - Google Patents
Automatic impact extrusion wheel spoke louvre mould Download PDFInfo
- Publication number
- CN111922187A CN111922187A CN202010593610.2A CN202010593610A CN111922187A CN 111922187 A CN111922187 A CN 111922187A CN 202010593610 A CN202010593610 A CN 202010593610A CN 111922187 A CN111922187 A CN 111922187A
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- hole
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- extruding
- spoke
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- 238000001125 extrusion Methods 0.000 title claims description 14
- 238000004080 punching Methods 0.000 claims abstract description 92
- 230000017525 heat dissipation Effects 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 230000004323 axial length Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/005—Edge deburring or smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides an automatic punching and extruding die for heat dissipation holes of wheel spokes, which can realize automatic control of the processes of punching and extruding the heat dissipation holes of the wheel spokes, reduce manual operation and reduce labor intensity and comprises a punching unit and an extruding unit, wherein the punching unit and the extruding unit respectively comprise spoke positioning devices, the punching unit also comprises a punching die, and the extruding unit also comprises an extruding die; the spoke positioning device comprises a triangular seat, a base plate, material supporting rubber, an automatic rotary ratchet mechanism, a positioning plate and a material pressing mechanism, wherein the automatic rotary ratchet mechanism and the positioning plate are coaxially arranged, the positioning plate is provided with a positioning pin for positioning a bolt hole of a nut seat of a spoke, and when the wheel spoke is fixed on the positioning plate, the heat dissipation hole part of the wheel spoke can be matched with a female die of the punching and extruding hole device, so that the punching and extruding hole device punches/extrudes a hole on the wheel spoke; the punching and extruding device is arranged on one side of the triangular seat inclined plane high point of the spoke positioning device and is used for punching and extruding the wheel spoke.
Description
Technical Field
The invention relates to the technical field of wheel processing devices, in particular to a mould for automatically punching and extruding a heat dissipation hole of a wheel spoke.
Background
In the prior art, there are more heat dissipation holes in wheel spokes, and as many as 20 heat dissipation holes in a spoke are uniformly distributed on the same graduated circle, and blanking burrs are not allowed on each heat dissipation hole, so that the machining method of the heat dissipation holes is required to be: firstly, all the heat dissipation holes are punched, and then burrs of the heat dissipation holes are extruded.
The prior art is as follows: two processes require two operators, two sets of dies and two presses.
In the step 1, the heat dissipation holes are punched by using a punching die, as shown in fig. 2, the press machine operates once, and one heat dissipation hole is punched by the die. The indexing disc 1 can rotate around a central pin 8 through a bearing 9, the bevel indexing pins 4 with square sections can move up and down in the square indexing holes of the indexing disc 1 under the action of a spring 5, the number of the bevel indexing pins 4 is one, and the number of the square indexing holes in the indexing disc 1 is exactly equal to the number of the heat dissipation holes to be punched in the workpieces 2 and is uniformly distributed. The during operation press goes upward, and upper and lower mould parts, and operating personnel fixes a position finished piece 2 through locating pin 7 and core pin 8, accomplishes one and punches a hole the back, and operating personnel rotates finished piece 2 with the hand, drives graduated disk 1 simultaneously and rotates, when groove graduated pin 4 falls into in the next square index hole in graduated disk 1, just can punch next louvre to the analogy of this, until having punched all louvres.
And step 2, extruding the burrs of the heat dissipation holes, as shown in fig. 3, wherein the working principle of the die is the same as that of the step 1, and the difference is that the structures of the female die 3 and the male die 6 are different, because the step 1 is a blanking step, and the step 2 is a burr pressing (forming) step.
In the prior art, indexing and positioning are manually controlled by an operator when the heat dissipation holes are punched and burrs of the heat dissipation holes are extruded, the labor intensity is high, two operators, two sets of dies and two presses are needed, and the manual and kinetic energy costs are high.
Disclosure of Invention
The invention provides a die for automatically punching and extruding heat dissipation holes of wheel spokes, which can realize automatic control of the processes of punching and extruding the heat dissipation holes of the wheel spokes, reduce manual operation and reduce labor intensity.
The technical scheme of the invention is as follows: the spoke positioning device comprises a punching unit and a hole extruding unit, wherein the punching unit and the hole extruding unit both comprise spoke positioning devices, the punching unit further comprises a punching die, and the hole extruding unit further comprises a hole extruding die;
the spoke positioning device comprises a triangular seat, a base plate, material supporting rubber, an automatic rotary ratchet mechanism, a positioning plate and a material pressing mechanism, wherein the upper surface of the triangular seat is an inclined surface, the base plate is fixed on the inclined surface of the triangular seat, the automatic rotary ratchet mechanism is arranged on the base plate, the positioning plate is fixed on the automatic rotary ratchet mechanism, the material pressing mechanism is arranged above the positioning plate and is spaced from the positioning plate, the lower end surface of the material pressing mechanism is an inclined surface and is parallel to the inclined surface of the triangular seat, the material pressing mechanism can move longitudinally and apply downward pressure to the positioning plate, and the material supporting rubber is arranged at the bottom of the triangular seat and can longitudinally jack up the triangular seat;
the automatic rotary ratchet mechanism and the positioning plate are coaxially arranged, the axis is vertical to the inclined plane of the triangular seat, the automatic rotary ratchet mechanism can drive the positioning plate to rotate, the positioning plate is provided with a positioning pin for positioning a bolt hole of a nut seat of a spoke, and when the wheel spoke is fixed on the positioning plate, the heat dissipation hole part of the wheel spoke can be matched with a female die of a corresponding punching die/hole extrusion die, so that the punching die/hole extrusion die can punch/extrude holes on the wheel spoke;
the punching die/hole extruding die is arranged on one side of the inclined plane high point of the triangular seat of the corresponding spoke positioning device and is used for punching/hole extruding operation of the wheel spoke.
Preferably, the spoke positioning device further comprises a central shaft, the lower end of the central shaft is vertically fixed on the inclined plane of the triangular seat, the upper portion of the central shaft is sequentially sleeved with the base plate, the automatic rotation ratchet mechanism and the positioning plate from bottom to top, and the automatic rotation ratchet mechanism and the positioning plate are connected with the central shaft through bearings.
Preferably, the automatic rotary ratchet mechanism comprises a ratchet indexing disc, a swing rod, an air cylinder, a driving pawl, a non-return pawl and a tension spring, wherein the ratchet indexing disc is sleeved on a central shaft, a central hole of the ratchet indexing disc is connected with the central shaft through a bearing, two ends of the swing rod are respectively provided with a through hole, the through hole at one end is sleeved on the central shaft and is connected with the central shaft through a bearing, the through hole at the other end of the swing rod is hinged with a piston rod of the air cylinder, the upper surface of the triangular seat is provided with a limit pin which is positioned at one side of the swing rod, which is far away from the piston rod of the air cylinder, the middle part of the driving pawl is hinged on the swing rod, one end; the middle part of the non-return pawl is hinged on the backing plate, one end of the non-return pawl is clamped in ratchet teeth of the ratchet indexing disc, the other end of the non-return pawl is hinged with a tension spring, and the other end of the tension spring is hinged on the backing plate.
The preferred as above-mentioned scheme, the backing plate is the U-shaped structure, the pendulum rod is gone up the cover and is established in the U-shaped breach of backing plate is arranged in to epaxial one end in the center, with the U-shaped breach clearance fit of backing plate, the U-shaped breach of backing plate is equipped with a shoulder hole towards cylinder one side on the backing plate, be equipped with the spring in the shoulder hole, the spring upper end is equipped with the ball, the peak of ball is higher than the backing plate upper surface minimum, and the minimum is located the shoulder hole, the position that the ball is just relative on ratchet graduated disk lower surface and the backing plate is equipped with along circumferencial direction evenly distributed's ball constant head tank, the quantity of.
Preferably, through holes are uniformly distributed in the circumferential direction in positions, corresponding to the bolt holes of the spoke nut seat, on the positioning plate, the number of the through holes is the same as that of the bolt holes in the spoke nut seat, the positioning pins are arranged in the through holes, the upper ends of the positioning pins can be matched with the bolt holes of the spoke nut seat, a through hole is formed in the center of the positioning plate and is matched with a central shaft, a central pin is fixed at the upper end of the central shaft and is coaxial with the central shaft, and an outer circle at the upper end of the central pin can be matched with the central hole of the spoke.
Preferably, the pressing mechanism comprises a cushion block and pressing rubber, the pressing rubber is fixed on the lower surface of the cushion block, and the lower end surface of the pressing rubber is an inclined surface and can be attached to the upper end surface of the center pin to apply downward pressure to the center pin.
Preferably, as above-mentioned scheme, automatic impact extrusion wheel spoke radiating hole mould still includes upper plate and lower plate, the position relative with the triangular seat on the lower plate is equipped with a plurality of recesses, be equipped with in the recess and hold in the palm material rubber, when swager constructs not to exert decurrent pressure to the locating plate, hold in the palm material rubber upper surface and be higher than the notch opening, when swager constructs to exert decurrent pressure to the locating plate, the triangular seat lower surface contacts with the lower plate, at this moment, the louvre of wheel spoke is waited to process the position and can is laminated with the die up end of punching die/hole extrusion mould, swager constructs the cushion and fixes at the upper plate lower surface.
Preferably, the punching die comprises a male die fixing seat, a female die fixing seat, a punching male die and a punching female die, wherein the lower end of the female die fixing seat is fixed on the lower bottom plate, the upper end surface of the female die fixing seat is a curved surface and can be attached to the inner side surface of the position of the radiating hole of the wheel spoke, the upper end surface of the female die fixing seat is provided with a female die mounting hole, the punching female die is arranged in the female die mounting hole, the upper end surface of the punching female die is a curved surface and can be attached to the inner side surface of the position of the radiating hole of the wheel spoke, a stepped through hole is formed in the center of the punching female die, an inclined guide hole is formed in the female die fixing seat, the upper end of the guide hole is communicated with the female die mounting hole, the lower end of the guide hole is, the center of the lower end face of the punching male die is provided with a material ejecting pin, and a rubber sleeve is sleeved outside the punching male die.
Preferably, the hole extruding die comprises a male die fixing seat, a female die fixing seat, a hole extruding male die and a hole extruding female die, the lower end of the female die fixing seat is fixed on the lower bottom plate, the upper end surface of the female die fixing seat is a curved surface and can be attached to the inner side surface of the position of the heat dissipation hole of the wheel spoke, the upper end surface of the female die fixing seat is provided with a female die mounting hole, the hole-extruding female die is arranged in the female die mounting hole, the upper end surface of the hole-extruding female die is a curved surface and can be attached to the inner side surface of the position of the heat-radiating hole of the wheel spoke, a boss is arranged in the center of the female die, the boss can be inserted into the heat dissipation hole after the hole extruding process is finished, the axial length of the boss is less than that of the heat dissipation hole, the male die fixing seat is fixed on the lower surface of the upper base plate, the hole extruding male die is fixed on the lower surface of the male die fixing seat, just opposite to the die mounting hole, the lower end face of the hole-extruding convex die is a curved surface and can be attached to the outer side face of the position of the heat-radiating hole of the wheel spoke.
Preferably, two sides of the female die fixing seat are respectively hinged with a connecting rod, the other end of each connecting rod is hinged with the side face of the triangular seat, and the two connecting rods are arranged in parallel.
The beneficial effect of above-mentioned scheme lies in:
1. above-mentioned technical scheme can realize punching a hole and crowded hole to the automation of wheel spoke louvre, and one set of mould realization can be shared to two processes, realizes punching a hole and crowded hole's automation, reduces mould quantity, reduces manual work intensity and cost.
2. The ball mechanism is adopted to position the ratchet wheel index plate, the positioning precision is high, and the processing efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural diagram of a hole-extruding male die and a hole-extruding female die according to the present invention.
Fig. 3 is an enlarged schematic view of the position of the balls on the pad plate of fig. 1.
Fig. 4 is a partial structural plan view of the punching unit and the hole extruding unit of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the technical solution of this embodiment includes a punching unit and a hole extruding unit, where the punching unit and the hole extruding unit both include spoke positioning devices, the punching unit further includes a punching die, and the hole extruding unit further includes a hole extruding die; the spoke positioning device comprises a triangular seat 17, a backing plate 16, material supporting rubber 18, an automatic rotary ratchet mechanism, a positioning plate 14 and a pressing mechanism, wherein the upper surface of the triangular seat 17 is an inclined surface, the backing plate 16 is fixed on the inclined surface of the triangular seat 17, the automatic rotary ratchet mechanism is arranged on the backing plate 16, the positioning plate 14 is fixed on the automatic rotary ratchet mechanism, the pressing mechanism is arranged above the positioning plate 14 and is spaced from the positioning plate 14, the lower end surface of the pressing mechanism is an inclined surface and is parallel to the inclined surface of the triangular seat 17, the pressing mechanism can longitudinally move and apply downward pressure to the positioning plate 14, and the material supporting rubber 18 is arranged at the bottom of the triangular seat 17 and can longitudinally jack up the triangular seat 17;
the automatic rotary ratchet mechanism and the positioning plate 14 are coaxially arranged, the axis is vertical to the inclined plane of the triangular seat 17, the automatic rotary ratchet mechanism can drive the positioning plate 14 to rotate, the positioning plate 14 is provided with a positioning pin 32 for positioning a bolt hole of a nut seat of a spoke, and when the wheel spoke 13 is fixed on the positioning plate 14, the heat dissipation hole part of the wheel spoke 13 can be matched with a female die of a corresponding punching die/hole extruding die, so that the punching die/hole extruding die can punch/extrude holes on the wheel spoke; (ii) a
The punching die/hole extruding die is arranged on one side of the inclined plane high point of the triangular seat of the corresponding spoke positioning device and is used for punching/hole extruding operation of the wheel spoke.
In this embodiment, the spoke positioning device further includes a central shaft 20, the lower end of the central shaft 20 is vertically fixed on the inclined plane of the triangular seat 17, the upper portion of the central shaft 20 is sequentially sleeved with the backing plate 16, the automatic rotation ratchet mechanism and the positioning plate 14 from bottom to top, and the automatic rotation ratchet mechanism and the positioning plate 14 are connected with the central shaft 20 through a bearing.
In this embodiment, the automatic rotation ratchet mechanism includes a ratchet indexing disc 15, a swing rod 19, an air cylinder 31, a driving pawl 30, a non-return pawl 27 and a tension spring 26, the ratchet indexing disc 15 is sleeved on a central shaft 20, a central hole of the ratchet indexing disc 15 is connected with the central shaft 20 through a bearing, two ends of the swing rod 19 are respectively provided with a through hole, the through hole at one end is sleeved on the central shaft 20 and is connected with the central shaft 20 through a bearing, the through hole at the other end of the swing rod 19 is hinged with a piston rod of the air cylinder 31, the upper surface of the triangular seat 17 is provided with a limit pin 29 which is positioned at one side of the swing rod 19 far away from the piston rod of the air cylinder 31, the middle part of the driving pawl 30 is hinged on the swing rod 19, one end is clamped in a ratchet; the middle part of the non-return pawl 27 is hinged on the backing plate 16, one end of the non-return pawl is clamped in the ratchet teeth of the ratchet indexing disc 15, the other end of the non-return pawl is hinged with a tension spring 26, and the other end of the tension spring 26 is hinged on the backing plate 16.
In this embodiment, backing plate 16 is the U-shaped structure, the pendulum rod 19 goes up the cover and establishes in the U-shaped breach of backing plate 16 is arranged in to the one end on the center pin 20, with the U-shaped breach clearance fit of backing plate 16, the U-shaped breach of backing plate 16 is equipped with a shoulder hole towards cylinder 31 one side on the backing plate 16, be equipped with spring 24 in the shoulder hole, the spring upper end is equipped with ball 25, ball 25's peak is higher than the backing plate 16 upper surface, and the minimum is located the shoulder hole, the position that ball 25 is just relative on ratchet graduated disk 15 lower surface and the backing plate 16 is equipped with along circumferencial direction evenly distributed's ball constant head tank, the quantity of ball constant head tank is the same with the.
In this embodiment, through holes evenly distributed along the circumferential direction are arranged at positions on the positioning plate 14 corresponding to the bolt holes of the spoke nut seat, the number of the through holes is the same as that of the bolt holes on the spoke nut seat, the positioning pin 32 is arranged in the through holes, the upper end of the positioning pin 32 can be matched with the bolt holes of the spoke nut seat, a through hole is arranged in the center of the positioning plate 14, the through hole is matched with the central shaft 20, the upper end of the central shaft 20 is fixed with the center pin 12, the center pin 12 is coaxial with the central shaft 20, and the outer circle of the upper end of the center pin 12 can be matched and.
In this embodiment, the pressing mechanism includes a cushion block 10 and a pressing rubber 11, the pressing rubber 11 is fixed on the lower surface of the cushion block 10, and the lower end surface of the pressing rubber 11 is an inclined surface and can be fitted with the upper end surface of the center pin 12 to apply a downward pressure to the center pin 12.
In this embodiment, automatic impact extrusion wheel spoke 13 heat dissipation hole mould still includes upper plate 8 and lower plate 1, the position relative with three corner seats 17 on lower plate 1 is equipped with a plurality of recesses, be equipped with in the recess and hold in the palm material rubber 18, when swager constructs not to exert decurrent pressure to locating plate 14, hold in the palm material rubber 18 upper surface and be higher than the notch opening, when swager constructs to exert decurrent pressure to locating plate 14, three corner seats 17 lower surfaces and 1 contact of lower plate, at this moment, the position of waiting to process of wheel spoke 13's louvre can with the laminating of the die up end of punching die/extrusion hole mould, the cushion 10 of swager constructs is fixed at 8 lower surfaces of upper plate.
The punching die comprises a punch fixing seat 7, a die fixing seat 3, a punching punch 9 and a punching die 5, wherein the lower end of the die fixing seat 3 is fixed on a lower base plate 1, the upper end surface of the die fixing seat is a curved surface and can be attached to the inner side surface of the position of a heat dissipation hole of a wheel spoke, the upper end surface of the die fixing seat 3 is provided with a die mounting hole, the punching die 5 is arranged in the die mounting hole, the upper end surface of the punching die 5 is a curved surface and can be attached to the inner side surface of the position of the heat dissipation hole of the wheel spoke, a stepped through hole is formed in the center of the punching die 5, an inclined guide hole 4 is formed in the die fixing seat 3, the upper end of the guide hole 4 is communicated with the die mounting hole, the lower end of the guide hole is located on the side surface of the die fixing seat 3, a guide chute 2 is, the center of the lower end face of the punching male die 9 is provided with a material ejecting pin, and the rubber sleeve 6 is sleeved outside the punching male die 9.
The hole extruding die comprises a male die fixing seat 7, a female die fixing seat 3, a hole extruding male die 22 and a hole extruding female die 23, wherein the lower end of the female die fixing seat 3 is fixed on a lower base plate 1, the upper end surface of the female die fixing seat is a curved surface and can be attached to the inner side surface of the position of a heat radiating hole of a wheel spoke, the upper end surface of the female die fixing seat 3 is provided with a female die mounting hole, the hole extruding female die 23 is arranged in the female die mounting hole, the upper end surface of the hole extruding female die 23 is a curved surface and can be attached to the inner side surface of the position of the heat radiating hole of the wheel spoke, the center of the female die is provided with a boss which can be inserted into the heat radiating hole after the hole extruding process is completed, the axial length of the boss is smaller than the axial length of the heat radiating hole, the male die fixing seat 7, can be attached to the outer side surface of the wheel spoke radiating hole.
In this embodiment, two sides of the die fixing seat 3 are respectively hinged with a connecting rod 21, the other end of the connecting rod 21 is hinged with the side surface of the triangular seat 17, and the two connecting rods 21 are arranged in parallel.
The working principle of the structure is as follows:
punching process
A punching male die assembly is selected, a punching male die 9 is installed on a male die fixing seat 7, a punching female die 5 is installed in a female die installation hole of a female die fixing seat 3, a wheel spoke 13 is installed on a positioning plate 14, and a bolt hole and a spoke center hole in a spoke nut seat are positioned by a positioning pin 32 and a center pin 12 respectively. The following description will be made by taking a process after punching one heat dissipation hole as an example.
After a punching process of a heat dissipation hole is completed, a press machine sliding block moves upwards to drive an upper bottom plate 8 to move upwards, a hole-extruding convex die 22 is separated from a hole-extruding concave die 23 and a spoke to be processed sequentially, meanwhile, a material-pressing rubber 11 is separated from a center pin 12, a triangular seat 17 moves upwards around a concave die fixing seat 3 under the action of a material-supporting rubber 18 and two connecting rods, the spoke to be processed is separated from the upper end surface of a hole-punching concave die 5, the press machine sends a signal to an electromagnetic valve and is controlled by the electromagnetic valve, a piston rod of a cylinder 31 is pushed out to rotate anticlockwise, a driving pawl 30 pushes a ratchet indexing disc 15 to rotate a plurality of teeth, the oscillating rod 19 rotates to a position of a limiting pin to be limited, the ratchet indexing disc 15 stops rotating, the press machine sliding block moves to a certain height, the press machine sends a signal to the electromagnetic valve at the moment, the non-return pawl 27 limits the ratchet indexing disc 15 to retract again and perform initial positioning, the positioning ball assembly (ball) accurately positions the ratchet indexing disc 15, the spoke to be machined rotates at the same angle along with the ratchet indexing disc 15 under the action of the positioning seat, the center pin 12 and the positioning pin 32 and is accurately positioned, and then the press machine slide block moves downwards to complete one-time blanking of the heat dissipation holes. The punching male die 9 is provided with a spring and an ejection pin, so that the automatic indexing is prevented from being influenced by the fact that waste materials are brought upwards from the punching female die 5. The punched section of the spoke to be processed after punching may have burrs, and if the spoke to be processed does not depart from the punching female die 5, the burrs may prevent a workpiece from rotating, therefore, a material supporting rubber 18 is designed below the triangular seat 17, so that the spoke to be processed is supported after punching, and is separated from the surface of the punching female die 5, and the spoke to be processed can normally rotate.
Second, hole extruding process
When the hole extruding process is carried out, only the punching male die 9 and the punching female die 5 on the punching process equipment need to be replaced by the hole extruding male die 22 and the hole extruding female die 23. The hole extruding male die 22 and the hole extruding female die 23 act together to extrude burrs generated in punching.
In this embodiment, the cylinder 31 is used to provide rotation power for the ratchet indexing disc 15, and the indexing disc is positioned by the balls and the ball positioning grooves, so that the automation degree and the positioning accuracy of the equipment are greatly improved.
For the above embodiment, it should be further explained that the above scheme is to set two sets of devices on the same working platform, that is, the punching unit a and the hole extruding unit B (shown in fig. 4), where the punching unit performs punching operation of the heat dissipation holes, and the hole extruding unit performs hole extruding operation of burrs of the heat dissipation holes, most of the structures of the two units are the same, and the main difference is that the male dies and the female dies of the two units are different.
By adopting the automatic punching and extruding wheel spoke heat dissipation hole die, only one operator is needed to carry out feeding and material taking operation, other operations are not needed, the punching process and the hole extruding and deburring process of the wheel spoke heat dissipation hole can be realized, the automation degree of the machining process is improved, the labor cost is effectively reduced, the operation intensity is reduced, and the operation efficiency is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic impact extrusion wheel spoke radiating hole mould which characterized in that: the spoke positioning device comprises a punching unit and a hole extruding unit, wherein the punching unit and the hole extruding unit both comprise spoke positioning devices, the punching unit further comprises a punching die, and the hole extruding unit further comprises a hole extruding die;
the spoke positioning device comprises a triangular seat, a base plate, material supporting rubber, an automatic rotary ratchet mechanism, a positioning plate and a material pressing mechanism, wherein the upper surface of the triangular seat is an inclined surface, the base plate is fixed on the inclined surface of the triangular seat, the automatic rotary ratchet mechanism is arranged on the base plate, the positioning plate is fixed on the automatic rotary ratchet mechanism, the material pressing mechanism is arranged above the positioning plate and is spaced from the positioning plate, the lower end surface of the material pressing mechanism is an inclined surface and is parallel to the inclined surface of the triangular seat, the material pressing mechanism can move longitudinally and apply downward pressure to the positioning plate, and the material supporting rubber is arranged at the bottom of the triangular seat and can longitudinally jack up the triangular seat;
the automatic rotary ratchet mechanism and the positioning plate are coaxially arranged, the axis is vertical to the inclined plane of the triangular seat, the automatic rotary ratchet mechanism can drive the positioning plate to rotate, the positioning plate is provided with a positioning pin for positioning a bolt hole of a nut seat of a spoke, and when the wheel spoke is fixed on the positioning plate, the heat dissipation hole part of the wheel spoke can be matched with a female die of a corresponding punching die/hole extrusion die, so that the punching die/hole extrusion die can punch/extrude holes on the wheel spoke;
the punching die/hole extruding die is arranged on one side of the inclined plane high point of the triangular seat of the corresponding spoke positioning device and is used for punching/hole extruding operation of the wheel spoke.
2. The automatic impact wheel spoke heat dissipation hole die of claim 1, wherein: the spoke positioning device further comprises a central shaft, the lower end of the central shaft is vertically fixed on the inclined plane of the triangular seat, the upper portion of the central shaft is sequentially sleeved with the base plate, the automatic rotation ratchet mechanism and the positioning plate from bottom to top, and the automatic rotation ratchet mechanism and the positioning plate are connected with the central shaft through bearings.
3. The automatic impact wheel spoke heat dissipation hole die of claim 2, wherein: the automatic rotary ratchet mechanism comprises a ratchet indexing disc, a swing rod, an air cylinder, a driving pawl, a non-return pawl and a tension spring, wherein the ratchet indexing disc is sleeved on a central shaft, a central hole of the ratchet indexing disc is connected with the central shaft through a bearing, two ends of the swing rod are respectively provided with a through hole, the through hole at one end is sleeved on the central shaft and is connected with the central shaft through a bearing, the through hole at the other end of the swing rod is hinged with an air cylinder piston rod, the upper surface of the triangular seat is provided with a limiting pin which is positioned at one side of the swing rod, which is far away from the air cylinder piston rod, the middle part of the driving pawl is hinged on the swing rod, one end; the middle part of the non-return pawl is hinged on the backing plate, one end of the non-return pawl is clamped in ratchet teeth of the ratchet indexing disc, the other end of the non-return pawl is hinged with a tension spring, and the other end of the tension spring is hinged on the backing plate.
4. The automatic impact wheel spoke heat dissipation hole die of claim 3, wherein: the backing plate is the U-shaped structure, the pendulum rod is gone up the cover and is established in the U-shaped breach of backing plate is arranged in to epaxial one end in the center, with the U-shaped breach clearance fit of backing plate, the U-shaped breach of backing plate is equipped with a shoulder hole towards cylinder one side on the backing plate, be equipped with the spring in the shoulder hole, the spring upper end is equipped with the ball, the peak of ball is higher than the backing plate upper surface, and the minimum is located the shoulder hole, the position that the ball is just relative on ratchet graduated disk lower surface and the backing plate is equipped with along circumferencial direction evenly distributed's ball constant head tank, the quantity of ball constant head.
5. The automatic impact wheel spoke heat dissipation hole die of claim 2, wherein: the positioning plate is characterized in that through holes which are uniformly distributed along the circumferential direction are formed in positions, corresponding to bolt holes of the spoke nut seat, on the positioning plate, the number of the through holes is the same as that of the bolt holes in the spoke nut seat, the positioning pins are arranged in the through holes, the upper ends of the positioning pins can be matched with the bolt holes of the spoke nut seat, a through hole is formed in the center of the positioning plate, the through holes are matched with a central shaft, a central pin is fixed at the upper end of the central shaft, the central pin is coaxial with the central shaft, and an excircle.
6. The automatic impact wheel spoke heat dissipation hole die of claim 5, wherein: the material pressing mechanism comprises a cushion block and material pressing rubber, the material pressing rubber is fixed on the lower surface of the cushion block, the lower end face of the material pressing rubber is an inclined face, and the material pressing rubber can be attached to the upper end face of the center pin to apply downward pressure to the center pin.
7. The automatic impact wheel spoke heat dissipation hole die of claim 6, wherein: the automatic punching and extruding wheel spoke heat dissipation hole die further comprises an upper base plate and a lower base plate, a plurality of grooves are formed in the position, opposite to the triangular seat, of the lower base plate, material supporting rubber is arranged in each groove, when the pressing mechanism does not apply downward pressure to the positioning plate, the upper surface of the material supporting rubber is higher than a groove opening, when the pressing mechanism applies downward pressure to the positioning plate, the lower surface of the triangular seat is in contact with the lower base plate, at the moment, the heat dissipation holes of the wheel spokes can be attached to the upper end face of a female die of a punching die/hole extruding die in a position to be processed, and cushion blocks of the pressing mechanism are fixed to the lower surface of the upper base plate.
8. The automatic impact wheel spoke heat dissipation hole die of claim 7, wherein: the punching die comprises a male die fixing seat, a female die fixing seat, a punching male die and a punching female die, wherein the lower end of the female die fixing seat is fixed on a lower bottom plate, the upper end surface of the female die fixing seat is a curved surface and can be attached to the inner side surface of the position of the heat dissipation hole of the wheel spoke, the upper end surface of the female die fixing seat is provided with a female die mounting hole, the punching female die is arranged in the female die mounting hole, the upper end surface of the punching female die is a curved surface and can be attached to the inner side surface of the position of the heat dissipation hole of the wheel spoke, a stepped through hole is formed in the center of the punching female die, an inclined guide hole is formed in the female die fixing seat, the upper end of the guide hole is communicated with the female die mounting hole, the lower end of the guide hole is positioned, the center of the lower end face of the punching male die is provided with a material ejecting pin, and a rubber sleeve is sleeved outside the punching male die.
9. The automatic impact wheel spoke heat dissipation hole die of claim 8, wherein: the hole extrusion die comprises a male die fixing seat, a female die fixing seat, a hole extrusion male die and a hole extrusion female die, the lower end of the female die fixing seat is fixed on the lower bottom plate, the upper end surface of the female die fixing seat is a curved surface and can be attached to the inner side surface of the position of the heat dissipation hole of the wheel spoke, the upper end surface of the female die fixing seat is provided with a female die mounting hole, the hole-extruding female die is arranged in the female die mounting hole, the upper end surface of the hole-extruding female die is a curved surface and can be attached to the inner side surface of the position of the heat-radiating hole of the wheel spoke, a boss is arranged in the center of the female die, the boss can be inserted into the heat dissipation hole after the hole extruding process is finished, the axial length of the boss is less than that of the heat dissipation hole, the male die fixing seat is fixed on the lower surface of the upper base plate, the hole extruding male die is fixed on the lower surface of the male die fixing seat, just opposite to the die mounting hole, the lower end face of the hole-extruding convex die is a curved surface and can be attached to the outer side face of the position of the heat-radiating hole of the wheel spoke.
10. The die for automatically punching and extruding the heat dissipation hole of the wheel spoke according to claim 9, wherein: and two sides of the female die fixing seat are respectively hinged with a connecting rod, the other end of each connecting rod is hinged with the side face of the triangular seat, and the two connecting rods are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593610.2A CN111922187A (en) | 2020-06-27 | 2020-06-27 | Automatic impact extrusion wheel spoke louvre mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593610.2A CN111922187A (en) | 2020-06-27 | 2020-06-27 | Automatic impact extrusion wheel spoke louvre mould |
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| CN111922187A true CN111922187A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010593610.2A Pending CN111922187A (en) | 2020-06-27 | 2020-06-27 | Automatic impact extrusion wheel spoke louvre mould |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020419A (en) * | 2021-04-09 | 2021-06-25 | 浙江欧星环美汽车部件有限公司 | Spoke wind hole stamping equipment |
| CN113333577A (en) * | 2021-05-29 | 2021-09-03 | 芜湖飞驰汽车零部件技术有限公司 | Automatic machining equipment for spoke ventilation holes |
| CN114833248A (en) * | 2022-04-14 | 2022-08-02 | 浙江风驰机械有限公司 | Rotary punching device |
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Application publication date: 20201113 |
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