CN213104871U - Automatic chamfering machine for piston pin - Google Patents
Automatic chamfering machine for piston pin Download PDFInfo
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- CN213104871U CN213104871U CN202020921979.7U CN202020921979U CN213104871U CN 213104871 U CN213104871 U CN 213104871U CN 202020921979 U CN202020921979 U CN 202020921979U CN 213104871 U CN213104871 U CN 213104871U
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- piston pin
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Abstract
The utility model relates to an automatic piston pin chamfering machine, which comprises a frame, wherein a chamfering device is arranged on the frame, a feeding device supplies materials to the chamfering device, and a discharging device conveys piston pins after chamfering, the chamfering device comprises a clamping device for clamping piston pins, and a first chamfering device and a second chamfering device which are positioned at two sides of the clamping device, the clamping device comprises an outer sleeve and a variable-diameter conical cylinder in the outer sleeve, the small end of the variable-diameter conical cylinder is detachably arranged in the outer sleeve, a movable sleeve is sleeved outside the variable-diameter conical cylinder, the movable sleeve is provided with an inclined plane, a translation driving mechanism is arranged between the movable sleeve and the outer sleeve, and a rotation driving device is arranged between the outer sleeve and the frame; the diameter of the variable-diameter conical cylinder is reduced, so that the piston pin is tightly clamped, the outer sleeve drives the piston pin to rotate under the driving of the rotation driving device, the piston pin is processed through the first chamfering device and the second chamfering device, synchronous full-automatic processing of two ends of the piston pin is realized, and the processing efficiency of the piston pin is effectively improved.
Description
Technical Field
The utility model relates to an automatic beveler of piston pin.
Background
When carrying out piston pin chamfer among the prior art and adding man-hour, carry out the chamfer of piston pin one end earlier much, then take off the piston pin and transfer one hundred eighty degrees, carry out the chamfer of the piston pin other end, can't realize unloading in the automation, machining efficiency is low moreover, is unfavorable for big automated production in batches.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can carry out piston pin both ends chamfer simultaneously is provided, and machining efficiency is higher moreover, can realize the automatic beveler of piston pin of unloading in the automation.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an automatic beveler of piston pin, includes the frame, be equipped with the chamfer device in the frame, to the loading attachment of chamfer device feed, the unloader that carries is carried out the piston pin that the chamfer was accomplished, the chamfer device includes the clamping device of centre gripping piston pin and is located the first chamfer device and the second chamfer device of clamping device both sides, clamping device include the outer sleeve with but the reducing toper section of thick bamboo in the outer sleeve, but the tip demountable installation of reducing toper section of thick bamboo in the outer sleeve, but reducing toper section of thick bamboo overcoat has the removal sleeve, the inner peripheral surface of removal sleeve be equipped with but the outer peripheral face complex inclined plane of reducing toper section of thick bamboo, the removal sleeve with be equipped with translation actuating mechanism between the outer sleeve, the outer sleeve with be equipped with rotation driving device between the frame.
As a preferred technical scheme, the rotation driving device comprises a mounting sleeve, the outer sleeve is rotatably mounted in the mounting sleeve, a synchronous pulley is arranged on the outer peripheral surface of the outer sleeve, and a motor for driving the synchronous pulley to rotate is arranged on the rack.
According to the preferable technical scheme, the translation driving mechanism comprises a driving cylinder, the driving cylinder is installed on the outer sleeve, an air inlet annular groove and an air outlet annular groove are formed in the installation sleeve, an air inlet of an air inlet pipe of the driving cylinder is communicated with the air inlet annular groove, and an air outlet of an air outlet pipe of the driving cylinder is communicated with the air outlet annular groove.
As a preferred technical scheme, the variable-diameter conical cylinder comprises a plurality of valve bodies, a gap is formed between every two adjacent valve bodies, an elastic connecting piece for connecting the adjacent valve bodies is arranged in the gap, the outer surfaces of the first ends of the valve bodies are located on the same conical surface, and a detachable connecting mechanism is arranged between the second end of each valve body and the outer sleeve.
As a preferred technical scheme, the detachable connecting mechanism comprises limiting grooves formed in the petal bodies, the limiting grooves are communicated with the gaps and perpendicular to the gaps, limiting blocks matched with the limiting grooves are arranged on the inner wall of the outer sleeve, when the variable-diameter conical cylinder is installed to enter the outer sleeve, the limiting blocks are aligned with the gaps, and then the variable-diameter conical cylinder is rotated to enable the limiting blocks to enter the limiting grooves through the gaps.
Preferably, the width of the end of the gap corresponding to the second end of the flap body is greater than the width of the end of the gap corresponding to the first end of the flap body.
As an optimized technical scheme, the first chamfering device corresponds to the second end of the flap body, the first chamfering device comprises a chamfering tool mounting sleeve, a chamfering tool is mounted at the inner end of the chamfering tool mounting sleeve, the chamfering tool mounting sleeve is mounted on a sleeve moving seat, a feeding mechanism is arranged between the sleeve moving seat and the rack, a pushing cylinder is further arranged on the sleeve moving seat, and a piston rod of the pushing cylinder penetrates into the chamfering tool mounting sleeve.
As a preferred technical scheme, the second chamfering device corresponds to the first end of the petal body, the second chamfering device comprises a chamfering tool mounting seat, and the chamfering tool mounting seat is mounted on the cross-shaped sliding table.
According to a preferable technical scheme, the feeding device comprises a trough which is obliquely arranged on the rack, a U-shaped receiving trough which is positioned at the lower end of the trough is arranged on the chamfering tool mounting seat, a piston pin pushing mechanism which pushes a piston pin which is positioned in the U-shaped receiving trough into the tapered cylinder with variable diameter is arranged on the chamfering tool mounting seat, and a discharging control mechanism is further arranged at the lower end of the trough.
As a preferred technical scheme, a blanking sleeve is further arranged on the chamfer cutter mounting seat.
By adopting the technical scheme, the automatic piston pin chamfering machine comprises a frame, wherein a chamfering device and a feeding device for feeding materials to the chamfering device are arranged on the frame, the blanking device is used for conveying the piston pin after chamfering, the chamfering device comprises a clamping device for clamping the piston pin and a first chamfering device and a second chamfering device which are positioned at two sides of the clamping device, the clamping device comprises an outer sleeve and a variable-diameter conical barrel in the outer sleeve, the small end of the variable-diameter conical barrel is detachably arranged in the outer sleeve, the outer sleeve of the tapered cylinder with variable diameter is provided with a movable sleeve, the inner circumferential surface of the movable sleeve is provided with an inclined surface matched with the outer circumferential surface of the tapered cylinder with variable diameter, a translation driving mechanism is arranged between the movable sleeve and the outer sleeve, and a rotation driving device is arranged between the outer sleeve and the rack; the translation driving mechanism pushes the movable sleeve to move, the inclined plane of the movable sleeve acts on the outer peripheral face of the tapered cylinder, the diameter of the tapered cylinder with the variable diameter is reduced, the piston pin inserted into the tapered cylinder with the variable diameter is clamped tightly, the outer sleeve drives the piston pin to rotate under the driving of the rotation driving device, the piston pin is machined through the first chamfering device and the second chamfering device, the feeding device and the discharging device can achieve automatic feeding and discharging, synchronous full-automatic machining of two ends of the piston pin is achieved, and machining efficiency of the piston pin is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a schematic structural view of a tapered cylinder with variable diameter according to an embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a cross-sectional view of a variable diameter tapered cartridge in an embodiment of the present invention;
fig. 6-8 are schematic views of the working process of the embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 5, an automatic piston pin chamfering machine comprises a frame, a chamfering device arranged on the frame, a feeding device 2 for feeding materials to the chamfering device, the blanking device is used for conveying the piston pin after chamfering, the chamfering device comprises a clamping device for clamping the piston pin and a first chamfering device 3 and a second chamfering device 4 which are positioned at two sides of the clamping device, the clamping device comprises an outer sleeve 5 and a variable-diameter conical cylinder in the outer sleeve 5, the small end of the variable-diameter conical cylinder 8 is detachably arranged in the outer sleeve 5, the tapered cylinder with variable diameter is sleeved with a movable sleeve 6, the inner circumferential surface of the movable sleeve 6 is provided with an inclined surface 7 matched with the outer circumferential surface of the tapered cylinder with variable diameter, a translation driving mechanism is arranged between the movable sleeve 6 and the outer sleeve 5, and a rotation driving device is arranged between the outer sleeve 5 and the rack. The translation driving mechanism pushes the movable sleeve to move, the inclined plane of the movable sleeve acts on the outer peripheral face of the tapered cylinder, the diameter of the tapered cylinder with the variable diameter is reduced, the piston pin 1 inserted into the tapered cylinder with the variable diameter is clamped tightly, the outer sleeve drives the piston pin to rotate under the driving of the rotation driving device, the piston pin is machined through the first chamfering device and the second chamfering device, the feeding device and the discharging device can achieve automatic feeding and discharging, synchronous full-automatic machining of two ends of the piston pin is achieved, and machining efficiency of the piston pin is effectively improved.
The rotation driving device comprises a mounting sleeve 9, the outer sleeve is rotatably mounted in the mounting sleeve 9, a synchronous belt wheel 10 is arranged on the outer peripheral surface of the outer sleeve 5, and a motor 11 for driving the synchronous belt wheel to rotate is arranged on the rack.
The translation actuating mechanism comprises an actuating cylinder 12, the actuating cylinder is installed on the outer sleeve 5, an air inlet annular groove 13 and an air outlet annular groove 14 are formed in the installing sleeve 9, an air inlet of an air inlet pipe 15 of the actuating cylinder is communicated with the air inlet annular groove 13, and an air outlet of an air outlet pipe 16 of the actuating cylinder is communicated with the air outlet annular groove 14. Therefore, the outer sleeve can still control the driving cylinder through the air inlet annular groove and the air outlet annular groove in the rotating process, and the recent annular groove and the air outlet annular groove are respectively connected with an air pump through valves.
But reducing toper section of thick bamboo includes a plurality of lamella bodies 17, and is adjacent be equipped with clearance 18 between the lamella body, it is adjacent to be equipped with in the clearance 18 connect the elastic connection piece 19 of the lamella body, the surface of the first end of the lamella body is located same conical surface, each the second end of the lamella body with be equipped with between the outer sleeve and dismantle coupling mechanism.
The detachable connecting mechanism comprises limiting grooves 20 formed in the petal bodies 17, the limiting grooves are communicated with the gaps and perpendicular to the gaps, limiting blocks 21 matched with the limiting grooves 20 are arranged on the inner wall of the outer sleeve 5, the diameter-variable conical sleeve is installed to enter the outer sleeve, the limiting blocks 21 are aligned to the gaps 18, and then the diameter-variable conical sleeve is rotated to enable the limiting blocks 21 to enter the limiting grooves 20 through the gaps.
The width of the gap 18 at the end corresponding to the second end of the flap body is greater than the width of the gap at the end corresponding to the first end of the flap body. Therefore, the limiting block can enter the gap through the gap 18 and the end corresponding to the second end of the petal body, and the limiting block 21 can enter the limiting groove 20 through the gap by rotating the variable-diameter tapered cylinder around the axial direction of the variable-diameter tapered cylinder. Therefore, the driving cylinder drives the movable sleeve to move, the variable-diameter tapered cylinder cannot move along the extension direction of the piston rod of the driving cylinder in the diameter reduction process of the variable-diameter tapered cylinder, and the driving cylinder can enable the variable-diameter tapered cylinder to tightly press the piston pin through the inclined surface.
First chamfer device corresponds to the second end of lamella body, first chamfer device includes chamfer sword installation sleeve 22, chamfer sword 23 is installed to the inner of chamfer sword installation sleeve 22, chamfer sword installation sleeve is installed on sleeve removes seat 24, the sleeve remove seat 24 with be equipped with feed mechanism between the frame, the sleeve removes and still is equipped with push cylinder 25 on the seat, push cylinder's piston rod penetrates in the chamfer sword installation sleeve 22. The feeding mechanism comprises a cross-shaped sliding table.
The second chamfer device corresponds to the first end of the petal body, the second chamfer device comprises a chamfer cutter mounting seat 26, a second chamfer cutter 34 is installed on the chamfer cutter mounting seat, and the chamfer cutter mounting seat is installed on the cross-shaped sliding table. As shown in fig. 8, the second chamfer cutter is located at the position where the piston pin chamfering is performed through the cross-shaped sliding table, and then the second chamfer cutter is fed through the cross-shaped sliding table, so that the piston pin chamfering processing is realized.
The feeding device comprises a trough 27 obliquely installed on the rack, a U-shaped receiving trough 28 positioned at the lower end of the trough is arranged on the chamfering tool installation seat, a piston pin pushing mechanism for pushing a piston pin positioned in the U-shaped receiving trough 28 into a variable-diameter tapered cylinder is arranged on the chamfering tool installation seat, the piston pin pushing mechanism comprises a piston pin pushing cylinder 29, as shown in fig. 6, the U-shaped receiving trough is aligned with the variable-diameter tapered cylinder, a piston rod of the piston pin pushing cylinder pushes the piston pin positioned in the U-shaped receiving trough to enter the variable-diameter tapered cylinder, a discharging control mechanism is further arranged at the lower end of the trough 27, the discharging control mechanism comprises a stop block 30 arranged at the lower end of the trough 27, an installation hole is further formed in the bottom of the trough, a jacking block 32 is movably installed in the installation hole, and a jacking block driving cylinder 31 for driving the jacking block to move up and down is arranged between the trough and, the ejector block ejects the piston pin to be higher than the stop block 30, so that the stop block slides into the U-shaped material receiving groove from the lower end of the material receiving groove.
And a blanking sleeve 33 is further arranged on the chamfer cutter mounting seat. When the chamfer of accomplishing the piston pin, the chamfer sword mount pad removes under the drive of cross slip table, as shown in fig. 7 for the unloading sleeve is adjusted well but diameter-variable toper section of thick bamboo, then the piston rod extension that promotes the cylinder pushes the piston pin that will process the completion in the telescopic feed end of unloading, the piston pin of unloading sleeve discharge end is released, accomplishes the unloading.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An automatic piston pin chamfering machine is characterized by comprising a frame, wherein the frame is provided with a chamfering device and a feeding device for feeding materials to the chamfering device, the blanking device is used for conveying the piston pin after chamfering, the chamfering device comprises a clamping device for clamping the piston pin and a first chamfering device and a second chamfering device which are positioned at two sides of the clamping device, the clamping device comprises an outer sleeve and a variable-diameter conical barrel in the outer sleeve, the small end of the variable-diameter conical barrel is detachably arranged in the outer sleeve, the outer sleeve of the tapered cylinder with variable diameter is provided with a movable sleeve, the inner circumferential surface of the movable sleeve is provided with an inclined surface matched with the outer circumferential surface of the tapered cylinder with variable diameter, a translation driving mechanism is arranged between the movable sleeve and the outer sleeve, and a rotation driving device is arranged between the outer sleeve and the rack.
2. The automatic piston pin chamfering machine according to claim 1, wherein the rotation driving means includes a mounting sleeve, the outer sleeve is rotatably mounted in the mounting sleeve, a synchronous pulley is provided on an outer peripheral surface of the outer sleeve, and a motor for driving the synchronous pulley to rotate is provided on the frame.
3. The automatic piston pin chamfering machine according to claim 2, wherein the translation driving mechanism includes a driving cylinder, the driving cylinder is mounted on the outer sleeve, an air inlet annular groove and an air outlet annular groove are formed in the mounting sleeve, an air inlet of an air inlet pipe of the driving cylinder is communicated with the air inlet annular groove, and an air outlet of an air outlet pipe of the driving cylinder is communicated with the air outlet annular groove.
4. The automatic piston pin chamfering machine according to claim 1, wherein the tapered barrel with variable diameter comprises a plurality of petal bodies, a gap is arranged between adjacent petal bodies, an elastic connecting piece for connecting the adjacent petal bodies is arranged in the gap, the outer surfaces of the first ends of the petal bodies are positioned on the same conical surface, and a detachable connecting mechanism is arranged between the second end of each petal body and the outer sleeve.
5. The automatic piston pin chamfering machine according to claim 4, wherein the detachable coupling mechanism includes a stopper groove provided on each of the petals, the stopper groove communicating with the gap and being perpendicular to the gap, an inner wall of the outer sleeve being provided with a stopper fitting in the stopper groove, the stopper being aligned with the gap when the variable-diameter tapered barrel is fitted into the outer sleeve, and then the variable-diameter tapered barrel is rotated so that the stopper enters the stopper groove through the gap.
6. The piston pin automatic chamfering machine according to claim 5, wherein the width of the end of the gap corresponding to the second end of the flap body is larger than the width of the end of the gap corresponding to the first end of the flap body.
7. The automatic piston pin chamfering machine according to claim 4, wherein the first chamfering device corresponds to the second end of the petal body, the first chamfering device includes a chamfering tool mounting sleeve, the inner end of the chamfering tool mounting sleeve is mounted with a chamfering tool, the chamfering tool mounting sleeve is mounted on a sleeve moving seat, a feeding mechanism is arranged between the sleeve moving seat and the machine frame, the sleeve moving seat is further provided with a pushing cylinder, and a piston rod of the pushing cylinder penetrates into the chamfering tool mounting sleeve.
8. The piston pin automatic chamfering machine according to claim 4, wherein the second chamfering means corresponds to the first end of the flap body, the second chamfering means includes a chamfering blade mount seat, and the chamfering blade mount seat is mounted on a cross-shaped slide table.
9. The automatic piston pin chamfering machine according to claim 8, wherein the loading device includes a chute tiltably mounted on the frame, a U-shaped receiving groove is provided on the chamfering tool mounting seat at a lower end of the chute, a piston pin pushing mechanism for pushing the piston pin in the U-shaped receiving groove into the tapered variable diameter cylinder is provided on the chamfering tool mounting seat, and a discharge control mechanism is further provided at a lower end of the chute.
10. The automatic piston pin chamfering machine according to claim 8, wherein a blanking sleeve is further provided on the chamfer cutter mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921979.7U CN213104871U (en) | 2020-05-27 | 2020-05-27 | Automatic chamfering machine for piston pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921979.7U CN213104871U (en) | 2020-05-27 | 2020-05-27 | Automatic chamfering machine for piston pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213104871U true CN213104871U (en) | 2021-05-04 |
Family
ID=75669362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020921979.7U Active CN213104871U (en) | 2020-05-27 | 2020-05-27 | Automatic chamfering machine for piston pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213104871U (en) |
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2020
- 2020-05-27 CN CN202020921979.7U patent/CN213104871U/en active Active
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