CN212885114U - Synchronizer gear sleeve machining center clamp - Google Patents
Synchronizer gear sleeve machining center clamp Download PDFInfo
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- CN212885114U CN212885114U CN202020258686.5U CN202020258686U CN212885114U CN 212885114 U CN212885114 U CN 212885114U CN 202020258686 U CN202020258686 U CN 202020258686U CN 212885114 U CN212885114 U CN 212885114U
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Abstract
The utility model belongs to a synchronizer machining device, and provides a synchronizer gear sleeve machining center clamp which comprises a base, a connecting disc and a lifting driving device, in order to solve the technical problems that the synchronizer gear sleeve clamp in the prior art has complex structure, low production change efficiency, insufficient pressure easily generated when a hydraulic cylinder increases along with the service time, and the requirement of an automatic production line can not be met; the base is sequentially provided with a support and a body; the connecting disc is fixed on the output end of the lifting driving device, the connecting disc is positioned in the inner cavity of the support, and the lifting driving device is arranged on the base; the upper part of the body is hollow and columnar, the inner surface of the upper end of the body is conical, an expansion sleeve is sleeved in the upper part of the body and fixedly connected with the connecting disc, and the outer surface of the upper end of the expansion sleeve is matched with the conical surface of the inner surface of the upper end of the body; the expansion sleeve is internally sleeved with a positioning seat for placing a gear sleeve to be processed.
Description
Technical Field
The utility model belongs to synchronizer processingequipment, concretely relates to synchronizer gear sleeve machining center anchor clamps.
Background
In a synchronizer machining workshop, synchronizer gear sleeve parts are various in variety and frequent in production change. Wherein the working procedure of the machining center belongs to a key working procedure. The existing machining center clamp is complex in structure, three rotary hydraulic oil cylinders are pressed on the periphery of the upper surface of a workpiece from the upper part of the workpiece, an inner hole of the workpiece is positioned through a disc and a pin, an outer circle of the workpiece is positioned through three circular arc blocks, and three rectangular blocks are supported on the lower end face of the workpiece. When in production change, the disc, the three arc blocks and the three rectangular blocks need to be disassembled, the operation is complex, the production change speed is seriously influenced, and the production change generally needs about 2 hours. Moreover, due to the fact that the synchronizer gear sleeve parts are various in variety, the number of matched clamps is large, and clamp management on a production site is inconvenient. And the body below the clamp has no chip removal hole, so that scrap iron generated in the machining process is easy to accumulate and is inconvenient to clean. In addition, most hydraulic cylinders are prone to insufficient pressure when the clamp is used for too long time, and therefore parts cannot be completely compressed. Simultaneously, this type of anchor clamps do not have the gas detection function, still need the iron fillings of the manual clearance anchor clamps terminal surface of operating personnel, can't satisfy the automation line demand of developing gradually.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve among the prior art synchronizer gear sleeve anchor clamps have that the structure is complicated, trade produce inefficiency, pneumatic cylinder easily appear pressure not enough along with live time increases to and can't satisfy the technical problem of line demand is produced in the automation, provide a synchronizer gear sleeve machining center anchor clamps.
In order to achieve the above object, the utility model provides a following technical scheme:
a synchronizer gear sleeve machining center clamp is characterized by comprising a base, a connecting disc, an expansion sleeve, a tensioning screw and a lifting driving device;
the base is sequentially provided with a support and a body;
the connecting disc is fixed on the output end of the lifting driving device, the connecting disc is positioned in the inner cavity of the support, and the lifting driving device is arranged on the base;
the body is of a hollow columnar structure, the inner surface of the body close to the top is conical, the large section of the conical shape faces upwards, and the small section faces downwards; a positioning seat is fixedly arranged at the bottom of the body and used for placing a gear sleeve to be processed;
the expansion sleeve is positioned between the body and the gear sleeve to be processed, the outer surface of the upper end of the expansion sleeve is matched with the inner surface of the body, which is conical, and the inner surface of the upper end of the expansion sleeve is matched with the outer surface of the gear sleeve to be processed;
a plurality of tensioning screws sequentially penetrate through the lower end of the expansion sleeve and the bottom of the body from top to bottom and are fixedly connected with the connecting disc; a moving gap is formed between the lower end of the expansion sleeve and the bottom of the body.
Further, the device also comprises a plurality of positioning blocks;
positioning blocks are arranged in the through holes matched with the bottom of the body by the tensioning screws; the upper end of the positioning block extends out of the through hole to be contacted with the bottom of the expansion sleeve.
Further, the positioning seat comprises a positioning base, a positioning pin and a plurality of protrusions;
the positioning base is fixed at the bottom of the body; the plurality of bulges are uniformly arranged along the periphery of the top surface of the positioning seat; the locating pin is fixed on the top surface of the base, is arranged in parallel with the axial direction of the locating base and is used for being clamped between the two adjacent inner teeth when the gear sleeve to be processed is located.
Furthermore, gas channels which are communicated with each other are formed in the positioning bases of the body and the positioning seat, a gas inlet of each gas channel is located on the body, and a gas outlet of each gas channel is located at the top of the protrusion of the positioning seat.
Furthermore, the expansion sleeve is of a hollow columnar structure, a plurality of contraction joints are circumferentially arranged at the upper end of the expansion sleeve and the conical matching part of the body close to the top of the expansion sleeve, and a plurality of lightening holes are uniformly formed in the side face of the expansion sleeve.
Further, the lifting driving device is a lifting oil cylinder.
Furthermore, the lifting oil cylinder is arranged in a blind hole formed in the base.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses synchronizer gear sleeve machining center anchor clamps, when trading the new specification of production treating the processing gear sleeve, only need change corresponding cover and the support that rises can, will trade produce consuming time by current 2h shorten for about 15 min. Meanwhile, the structure of the clamp is simplified, the control of elements on a production field is facilitated, and the maintenance time and cost are reduced. The gear sleeve to be machined is placed on the positioning seat and used for preliminary positioning, an expansion sleeve type structure is adopted, the expansion sleeve moves downwards under the driving of the lifting driving device, the outer circle of the gear sleeve to be machined is clamped inwards in an expansion manner through being matched with the inclined plane at the upper end of the body, the clamping of a part is realized, and the gear sleeve to be machined is designed and prepared according to the size specification of the gear sleeve to be machined. The utility model discloses an anchor clamps simple structure is compact, and it is high-efficient to trade the product, can satisfy the basic demand of automatic production line.
2. The utility model discloses still include the locating piece, the through-hole cooperation of locating piece and body lower part is guaranteed to play spacing effect to the cover that rises, has guaranteed the movement track of the cover that rises, avoids the cover that rises to appear the incline in the motion process.
3. The utility model discloses a be equipped with a plurality of archs on the positioning seat for place to support and wait to process the tooth cover, during the centre gripping, wait to process the tooth cover and place and contact with the arch on the base, treat to process the tooth cover and carry out horizontal location, and through the locating pin joint between two adjacent internal teeth of waiting to process the tooth cover, avoid waiting to process the tooth cover and rotate. The accurate positioning of the gear sleeve to be processed is further ensured through the positioning seat.
4. The utility model discloses set up gas channel in body and positioning seat, supply gas by the air inlet on the body, if there is not gaseous discharge in the gas outlet department at protruding top, then explain to wait to process the tooth cover and be located the arch and be in the horizontality, realized airtight detection function.
5. The utility model provides a lift drive is lift cylinder, compares with current anchor clamps, has reduced hydro-cylinder quantity, maintains more convenient and the cost is lower.
6. The utility model discloses well lift cylinder installs in the blind hole of seting up on the base, and the overall structure of anchor clamps is compacter.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a clamp of a synchronizer gear sleeve machining center of the present invention;
FIG. 2 is a schematic structural view of the positioning socket in FIG. 1;
fig. 3 is a schematic structural view of the expansion sleeve in fig. 1.
The device comprises a gas inlet 1, a body 2, a tensioning screw 3, a gear sleeve to be processed 4, a connecting disc 5, a gas outlet 6, a positioning seat 7, a positioning base 701, a positioning pin 702, a positioning pin 703, a protrusion 8, an expansion sleeve 9, a support 10, a base 11, a lifting driving device 12, a positioning block 13, a contraction joint 14, a gas channel 15 and a weight reduction hole 15.
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 not limitations of the present invention.
The utility model discloses compare with current anchor clamps, simplified anchor clamps structure by a wide margin, it is more convenient to make the processing scene use, and it is rapider to trade the product, changes the three rotatory hydro-cylinder in the anchor clamps that have now into a lift drive 11, changes three rectangle locating piece into a positioning seat 7. In addition, the clamping and angle positioning modes are changed, the original three-point pressing end face is changed into the expansion sleeve 8 for tensioning the excircle of the whole gear sleeve 4 to be machined, so that the gear sleeve 4 to be machined can be better clamped; the previous puck positioning is also changed to the locator pin 702 positioning. Meanwhile, a gas detection function is added, so that the fixture has the function of detecting whether the gear sleeve 4 to be machined is clamped well, and the problem parts are avoided.
As shown in fig. 1, a synchronizer gear sleeve machining center fixture preferably includes a base 10, a connecting disc 5, a positioning block 12, a positioning seat 7, and a lifting drive device 11.
Wherein, install support 9 and body 2 on the base 10 in proper order, base 10 is used for being connected with the lathe, and support 9 plays the supporting role to body 2.
The lifting driving device 11 is a lifting oil cylinder, and may be other driving devices capable of driving the connecting disc 5 to make linear motion.
The connecting disc 5 is fixed on the output end of the lifting oil cylinder through screws, and the connecting disc 5 is positioned in the inner cavity of the support 9, so that the overall structure of the clamp is compact. The lifting oil cylinder is arranged on the base 10, and in order to save installation space due to compact structure, the base 10 is provided with a blind hole, so that the lifting oil cylinder can be arranged in the blind hole.
The body 2 is a hollow columnar structure, the inner surface of the upper end of the body is conical, and the inclination direction of the conical shape is that the diameter of an upper opening is larger than that of a lower opening.
An expansion sleeve 8 is sleeved in the body 2, a plurality of through holes are formed in the lower part of the body 2, and a plurality of positioning blocks 12 are respectively arranged in the through holes; a tensioning screw 3 is sleeved in each positioning block 12, the tensioning screw 3 penetrates through the positioning block 12, the tensioning screw 3 sequentially penetrates through the lower end of the expansion sleeve 8 and the bottom of the body 2 from top to bottom and then is fixedly connected with the connecting disc 5, and a moving gap is formed between the lower end of the expansion sleeve 8 and the bottom of the body 2. The positioning block 12 is matched with the through hole, when the lifting oil cylinder drives the expansion sleeve 8 to move up and down, the positioning block 12 moves up and down in the through hole, the upper end of the positioning block 12 extends out of the through hole to be contacted with the bottom of the expansion sleeve 8, the expansion sleeve 8 is positioned by the positioning block 12, the number of the through holes and the positioning block 12 is preferably 4, and the part of the upper part of the positioning block 12, which is higher than the through hole, provides a moving stroke for the expansion sleeve 8. The outer surface of the upper end of the expansion sleeve 8 is matched with the conical shape of the inner surface of the upper end of the body 2, and when the expansion sleeve 8 moves downwards under the driving of the lifting oil cylinder, the outer surface of the upper end of the expansion sleeve 8 is inwards tensioned through matching with the conical shape, so that clamping is realized.
As shown in fig. 3, the expansion sleeve 8 is hollow and columnar, a plurality of contraction joints 13 are circumferentially arranged at the upper end of the expansion sleeve and the conical matching part of the top of the body 2, and when the expansion sleeve 8 is pulled downwards and is inwards extruded by the conical shape of the top of the body 2, the contraction joints 13 contract to realize inward expansion. The side of the expansion sleeve 8 is also evenly provided with a plurality of lightening holes 15.
As shown in fig. 2, a positioning seat 7 for placing the gear sleeve 4 to be processed is sleeved in the expansion sleeve 8, and the positioning seat 7 comprises a positioning base 701, a positioning pin 702 and a plurality of protrusions 703;
the positioning base 701 is fixed at the bottom of the body 2, and for positioning the gear sleeve 4 to be processed, a plurality of protrusions 703 are uniformly arranged along the periphery of the top surface of the positioning seat 7, and the number of the protrusions 703 is generally three, and can also be adjusted as required. During clamping, the gear sleeve 4 to be processed is placed on the protrusion 703 and used for horizontal limiting; the locating pin 702 is fixed on the top surface of the locating base 701, and the locating base 701 is axially parallel to each other and is clamped between two adjacent inner teeth when the locating pin is used for locating the gear sleeve 4 to be processed, so that the gear sleeve 4 to be processed is limited to rotate, and the angle is limited.
In addition, on the basis, the gas detection function is added to the fixture, the gas channels 14 which are communicated with each other are arranged in the positioning bases 701 of the body 2 and the positioning seat 7, the gas inlet 1 of the gas channel 14 is positioned on the body 2, and the gas outlet 6 of the gas channel 14 is positioned at the top of the protrusion 703 of the positioning seat 7. The detection gas is introduced from the gas inlet 1, and if the tooth sleeve 4 to be processed is clamped well at the top of the bulge 703, the gas outlet 6 is blocked, no gas leaks out, and the gas detection function is further realized.
When the clamp works, the connecting disc 5 is pulled downwards by the lifting oil cylinder, the expansion sleeve 8 is tensioned downwards through the tensioning screw 3, the expansion sleeve 8 is tensioned inwards through matching with the conical surface on the upper part of the body 2, and the workpiece is clamped. The detection gas enters the gas channel 14 in the body 2 from the gas inlet 1 on the right body 2 and then enters the gas channel 14 in the positioning seat 7, the gas outlet 6 is blocked after the gear sleeve 4 to be processed is clamped on the upper end face of the bulge 703 at the top of the positioning seat 7, and then the airtight detection function is realized. The gas detection part has the matching function.
The lifting oil cylinder can be selected according to the field processing requirement and the design requirement of the clamp, and the structure and the stroke of the expansion sleeve 8 are matched with the gear sleeve 4 to be processed.
Claims (7)
1. The utility model provides a synchronous ware tooth cover machining center anchor clamps which characterized in that: comprises a base (10), a connecting disc (5), an expansion sleeve (8), a tensioning screw (3) and a lifting driving device (11);
the base (10) is sequentially provided with a support (9) and a body (2);
the connecting disc (5) is fixed on the output end of the lifting driving device (11), the connecting disc (5) is positioned in the inner cavity of the support (9), and the lifting driving device (11) is arranged on the base (10);
the body (2) is of a hollow columnar structure, the inner surface of the body (2) close to the top is conical, the large section of the conical shape faces upwards, and the small section faces downwards; a positioning seat (7) is fixedly arranged at the bottom of the body (2), and the positioning seat (7) is used for placing a gear sleeve (4) to be processed;
the expansion sleeve (8) is positioned between the body (2) and the gear sleeve (4) to be processed, the outer surface of the upper end of the expansion sleeve (8) is matched with the conical inner surface of the body (2), and the inner surface of the upper end of the expansion sleeve (8) is matched with the outer surface of the gear sleeve (4) to be processed;
the plurality of tensioning screws (3) sequentially penetrate through the lower end of the expansion sleeve (8) and the bottom of the body (2) from top to bottom and then are fixedly connected with the connecting disc (5); a moving gap is formed between the lower end of the expansion sleeve (8) and the bottom of the body (2).
2. The synchronizer gear sleeve machining center clamp as set forth in claim 1, wherein: also comprises a plurality of positioning blocks (12);
positioning blocks (12) are arranged in the through holes matched with the bottoms of the tensioning screws (3) and the body (2); the upper end of the positioning block (12) extends out of the through hole to be contacted with the bottom of the expansion sleeve (8).
3. The synchronizer sleeve machining center jig as set forth in claim 1 or 2, wherein: the positioning seat (7) comprises a positioning base (701), a positioning pin (702) and a plurality of protrusions (703);
the positioning base (701) is fixed at the bottom of the body (2); the plurality of bulges (703) are uniformly arranged along the periphery of the top surface of the positioning seat (7); the positioning pin (702) is fixed on the top surface of the positioning base (701), is arranged in parallel with the axial direction of the positioning base (701), and is used for being clamped between two adjacent inner teeth when the gear sleeve (4) to be processed is positioned.
4. The synchronizer gear sleeve machining center clamp as set forth in claim 3, wherein:
the positioning device is characterized in that gas channels (14) which are communicated with each other are arranged in the positioning bases (701) of the body (2) and the positioning seat (7), the gas inlets (1) of the gas channels (14) are located on the body (2), and the gas outlets (6) of the gas channels (14) are located at the tops of the protrusions (703) of the positioning seat (7).
5. The synchronizer gear sleeve machining center clamp as set forth in claim 4, wherein: the expansion sleeve (8) is of a hollow columnar structure, a plurality of contraction joints (13) are arranged at the upper end of the expansion sleeve and close to the conical matching part at the top of the body (2) along the circumferential direction, and a plurality of lightening holes (15) are uniformly formed in the side surface of the expansion sleeve (8).
6. The synchronizer gear sleeve machining center clamp as set forth in claim 5, wherein: the lifting driving device (11) is a lifting oil cylinder.
7. The synchronizer gear sleeve machining center clamp as set forth in claim 6, wherein: the lifting oil cylinder is arranged in a blind hole formed in the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258686.5U CN212885114U (en) | 2020-03-05 | 2020-03-05 | Synchronizer gear sleeve machining center clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258686.5U CN212885114U (en) | 2020-03-05 | 2020-03-05 | Synchronizer gear sleeve machining center clamp |
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| Publication Number | Publication Date |
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| CN212885114U true CN212885114U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258686.5U Active CN212885114U (en) | 2020-03-05 | 2020-03-05 | Synchronizer gear sleeve machining center clamp |
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| CN (1) | CN212885114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275672A (en) * | 2021-05-29 | 2021-08-20 | 温岭市明华齿轮有限公司 | Gear shaping machining device for large inner gear |
| CN113442061A (en) * | 2021-06-09 | 2021-09-28 | 浙江迅达工业科技有限公司 | Clamp for grinding synchronizer gear ring |
-
2020
- 2020-03-05 CN CN202020258686.5U patent/CN212885114U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275672A (en) * | 2021-05-29 | 2021-08-20 | 温岭市明华齿轮有限公司 | Gear shaping machining device for large inner gear |
| WO2022252254A1 (en) * | 2021-05-29 | 2022-12-08 | 温岭市明华齿轮有限公司 | Gear shaping device for large internal gear |
| CN113442061A (en) * | 2021-06-09 | 2021-09-28 | 浙江迅达工业科技有限公司 | Clamp for grinding synchronizer gear ring |
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