CN214685249U - Motor end cover finish turning clamp capable of preventing clamping deformation - Google Patents
Motor end cover finish turning clamp capable of preventing clamping deformation Download PDFInfo
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- CN214685249U CN214685249U CN202022804379.5U CN202022804379U CN214685249U CN 214685249 U CN214685249 U CN 214685249U CN 202022804379 U CN202022804379 U CN 202022804379U CN 214685249 U CN214685249 U CN 214685249U
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Abstract
The utility model provides a prevent motor end cover finish turning anchor clamps of clamping deformation, adopt non-hydraulic pressure mode to press from both sides tightly motor end cover bottom, on effectively avoiding the motor end cover to compress tightly the basis of deformation, anchor clamps can provide higher clamping stability, improve product quality, the on-line screen storage device comprises a base, the positioning disk, clamping mechanism and clamping control mechanism, clamping mechanism is including compressing tightly piece and support piece, clamping control mechanism includes elevating system and actuating mechanism, elevating system is located positioning disk central authorities, the last linking arm that is equipped with and compresses tightly a one-to-one that is equipped with of elevating system, the linking arm is articulated with the piece lower extreme that compresses tightly that corresponds, actuating mechanism is connected with elevating system, go up and down along the positioning disk axial with drive elevating system, it is rotatory around the articulated portion that compresses tightly piece and base to make the linking arm drive compressing piece lower extreme.
Description
Technical Field
The utility model relates to a clamping positioner field of motor end cover specifically is a prevent motor end cover finish turning anchor clamps that clamping warp.
Background
The motor end cover is generally finished by adopting a high-pressure aluminum alloy casting process, but the finish machining of an aluminum alloy part has a serious deformation problem, particularly the pressing deformation during clamping can be generated once the clamping is improper, the product quality is influenced, and meanwhile, the machining efficiency is difficult to improve.
Many companies all select the mode through changing the chuck, use hydraulically operated fixture to accomplish the clamping, hydraulically operated fixture has the problem to have following several:
the cost is high, the structure is too complex, and much inconvenience is brought to later maintenance;
the replacement is troublesome, an original chuck needs to be disassembled, the clamp is directly fixed on the transition disc, and the compression and the release are realized through an original rotary oil cylinder of the equipment. Each time the clamp is replaced, the risk of damaging the rotary oil cylinder exists;
the plasticity is poor, the clamp is only suitable for single-variety large-batch products, once the products are updated, the clamp is scrapped, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel motor end cover finish turning anchor clamps of structure adopts non-hydraulic pressure mode to press from both sides tightly motor end cover bottom, on effectively avoiding the motor end cover to compress tightly the basis of deformation, anchor clamps can provide higher centre gripping stability, improves product quality.
The technical scheme of the utility model lies in: comprises a base, a positioning disk, a clamping mechanism and a clamping control mechanism, wherein the positioning disk is fixed on the base, a plurality of groups of clamping mechanisms are distributed on the positioning disk along the circumferential direction and comprise a pressing piece and a supporting piece, the supporting piece is fixed, the pressing piece is positioned at one side of the supporting piece, the lower end of the pressing piece is hinged with the base, the pressing end at the upper end of the pressing piece can penetrate through a lightening hole at the bottom of a motor end cover to reach the upper part of the supporting piece through rotating around the hinged part, so as to clamp the bottom of the motor end cover under the combined action of the supporting piece and the pressing piece, the clamping control mechanism comprises a lifting mechanism and a driving mechanism, the lifting mechanism is positioned in the center of the positioning disk, the lifting mechanism is provided with connecting arms which are in one-to-one correspondence with the pressing pieces, the connecting arm is hinged with the lower end of the corresponding pressing piece, the driving mechanism is connected with the lifting mechanism, so as to drive the lifting mechanism to lift along the axial direction of the positioning disc, and the connecting arm drives the lower end of the pressing piece to rotate around the hinged part of the pressing piece and the base.
Preferably, the positioning disc is provided with mounting holes, the number of the mounting holes is the same as that of the clamping mechanisms, the pressing pieces of the clamping mechanisms are arranged in the mounting holes, and the supporting pieces are fixed on one side, close to the outer edge, of the upper end face of the positioning disc.
Preferably, the clamping mechanism further comprises a clamping seat located below the pressing piece and fixedly connected with the base, the upper end of the pressing piece is of an L-shaped bending structure and bent towards one side of the supporting piece, two parallel pin shafts are fixed at the lower end of the pressing piece, the axial direction of each pin shaft is perpendicular to the bending direction of the upper end of the pressing piece, the arrangement direction of the two pin shafts is parallel to the bending direction of the upper end of the pressing piece, one pin shaft is matched with a pin hole in the clamping seat to form a hinge portion, the other pin shaft is matched with a pin hole in the connecting arm to form a hinge portion, and the pin hole in the connecting arm is a long hole in the horizontal direction.
Preferably, as above-mentioned scheme, the through-hole has been seted up at base central authorities, elevating system is the cylinder structure, locates in the base through-hole, the elevating system up end is located to the linking arm, and linking arm upper portion side integral type is equipped with two parallel lugs, the lug stretches out to pressing from both sides tight seat one side, constitutes L shape structure with the linking arm, slot hole on the linking arm is located the lug, and the lug passes through the slot hole and compresses tightly a round pin hub connection of piece lower part.
Preferably, a notch is formed in a position, corresponding to the connecting arm, of the side wall of the through hole in the center of the base, and the notch is used for avoiding a lug on the connecting arm.
Preferably, the driving mechanism includes a screw rod, the screw rod is connected with the positioning disc, the screw rod is axially positioned by the positioning disc, a threaded through hole is formed in the center of the lifting mechanism, the screw rod is matched with the threaded through hole, and the lifting mechanism can be driven to axially lift by screwing the screw rod.
Preferably, a through hole is formed in the center of the positioning disc, the screw is arranged in the through hole, an annular groove is formed in the outer circle of the screw, a U-shaped limiting clamping sleeve is arranged in the annular groove, clamping grooves are formed in the positions, corresponding to the two ends of the U-shaped limiting clamping sleeve, of the side wall of the through hole respectively, and the two ends of the U-shaped limiting clamping sleeve are inserted into the clamping grooves.
Preferably, the center of the positioning plate is provided with an annular boss which can be matched with an inner hole of a bearing chamber of the motor end cover.
Preferably, at least two hydraulic buffers are respectively arranged at positions of the upper end surface of the base, which are located below the motor end cover fixing seat, and telescopic rods on the hydraulic buffers can support the motor end cover fixing seat.
The beneficial effects of the utility model reside in that:
one, the utility model discloses abandon the mode that traditional hydraulic pressure compressed tightly, adopted a neotype anchor clamps structure, carried out the clamping location to the motor end cover from motor end cover bottom lightening hole department, effectively solved traditional hydraulic pressure and compressed tightly the problem that leads to the motor end cover to warp, product quality and yield are effectively promoted, have effectively improved machining efficiency moreover. Because the hydraulic oil cylinder is abandoned, the manufacturing cost is reduced, the manufacturing period is short, the maintenance cost of the product is low, and the service life is greatly prolonged.
The device adopts the driving pressing piece of the screw-nut pair transmission to press the product, the stability of the pressing force is high, the product can be ensured not to be loosened in the processing process, and the processing quality of the product is effectively ensured.
Three, the utility model discloses a change positioning disk (change the different positioning disk of annular boss external diameter) can be applicable to the different motor end cover of bearing room bottom hole diameter, and it is changed simply rapidly, shortens the time that the product switches greatly, and plasticity is strong, plays a good promotion effect to cost control.
Drawings
Fig. 1 is a schematic structural diagram of the assembly of the present invention with the motor end cover.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a schematic structural view of the middle base of the present invention.
Fig. 5 and fig. 6 are schematic structural views of the middle positioning plate of the present invention.
Fig. 7 and 8 are schematic structural diagrams of the middle lifting mechanism of the present invention.
Fig. 9 is a schematic structural view of the middle screw rod of the present invention.
Fig. 10 shows the U-shaped spacing clip sleeve 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 structure of this embodiment includes a base 2, a positioning disk 3, a clamping mechanism 4 and a clamping control mechanism, the positioning disk 3 is fixed on the base 2, the clamping mechanism 4 is distributed with three sets on the positioning disk 3 along the circumferential direction, including a pressing member 401 and a supporting member 402, the supporting member 402 is fixed, the pressing member 401 is located at one side of the supporting member 402, the lower end is hinged with the base 2, the pressing end at the upper end of the pressing member 401 can pass through a lightening hole at the bottom of the motor end cover 1 to reach the upper side of the supporting member 402 by rotating around the hinge portion, so as to clamp the bottom of the motor end cover 1 by the combined action of the supporting member 402 and the pressing member 401, the clamping control mechanism includes a lifting mechanism 5 and a driving mechanism 6, the lifting mechanism 5 is located at the center of the positioning disk 3, the lifting mechanism 5 is provided with connecting arms 501 corresponding to the pressing members 401 one-to one, the connecting arms 501 are hinged with the lower ends of the corresponding pressing members 401, the driving mechanism 6 is connected with the lifting mechanism 5 to drive the lifting mechanism 5 to lift along the axial direction of the positioning disk 3, so that the connecting arm 501 drives the lower end of the pressing part 401 to rotate around the hinged part of the pressing part 401 and the base 2.
In this embodiment, the positioning plate 3 is provided with mounting holes 301 with the same number as the clamping mechanisms 4, the pressing members 401 of the clamping mechanisms 4 are disposed in the mounting holes 301, and the supporting members 402 are fixed to the side of the upper end surface of the positioning plate 3 close to the outer edge.
In this embodiment, the clamping mechanism 4 further includes a clamping seat 405 located below the pressing member 401 and fixedly connected to the base 2, the upper end of the pressing member 401 is of an L-shaped bending structure and bent toward one side of the supporting member 402, two parallel pins are fixed at the lower end of the pressing member, the axial direction of the pins is perpendicular to the bending direction of the upper end of the pressing member 401, the arrangement direction of the two pins is parallel to the bending direction of the upper end of the pressing member 401, one pin 403 cooperates with a pin hole on the clamping seat 405 to form a hinge portion, the other pin 404 cooperates with a pin hole on the connecting arm 501 to form a hinge portion, and the pin hole on the connecting arm 501 is a long hole 503 in the horizontal direction.
In this embodiment, through-hole 201 has been seted up in base 2 central authorities, elevating system 5 is the cylinder structure, locates in base 2 through- hole 201, 5 up end are located to elevating system to connecting arm 501, and connecting arm 501 upper portion side integral type is equipped with two parallel lugs 502, lug 502 stretches out to pressing from both sides tight seat one side, constitutes L shape structure with connecting arm 501, slot hole 503 on the connecting arm 501 is located lug 502, and lug 502 is connected with a round pin axle 404 that compresses tightly the piece 401 lower part through slot hole 503.
In this embodiment, a notch 202 is formed on a side wall of the central through hole of the base 2 corresponding to the connecting arm 501, for avoiding the lug 502 on the connecting arm 501.
In this embodiment, the driving mechanism 6 includes a screw rod, the screw rod is connected with the positioning disk 3, the screw rod is axially positioned by the positioning disk 3, the center of the lifting mechanism 5 is provided with a threaded through hole 504, the screw rod is matched with the threaded through hole 504, and the lifting mechanism 5 can be driven to axially lift by screwing the screw rod.
In this embodiment, a through hole is formed in the center of the positioning disk 3, the screw rod is arranged in the through hole, an annular groove is formed in the outer circle of the screw rod, a U-shaped limiting clamping sleeve 7 is arranged in the annular groove, clamping grooves 303 are respectively formed in the positions of the side wall of the through hole corresponding to the two ends of the U-shaped limiting clamping sleeve 7, and the two ends of the U-shaped limiting clamping sleeve 7 are inserted into the clamping grooves 303.
In this embodiment, the positioning plate 3 is provided with an annular boss 302 at the center, which can be matched with the inner hole of the bearing chamber of the motor end cover 1.
In this embodiment, at least two hydraulic buffers 201 are respectively disposed at positions of the upper end surface of the base 2 below the fixing seat of the motor end cover 1, and telescopic rods on the hydraulic buffers 201 can support the fixing seat 101 of the motor end cover.
The working principle of the structure is as follows:
the motor end cover 1 to be processed is placed on a supporting piece 402 on a positioning disc 3, an outer circle of an annular boss in the center of the positioning disc 3 positions an inner hole at the bottom of a bearing chamber of the motor end cover 1, three pressing pieces 401 of a clamping mechanism 4 respectively correspond to a lightening hole at the bottom of the motor end cover 1, and meanwhile, effective support of a hydraulic buffer on fixing seats at two sides of the motor end cover 1 is guaranteed. When the pressing operation is performed, the screw rod (in this embodiment, the screw rod may be a screw rod with a hexagonal head) is screwed, so that the lifting mechanism 5 moves upward, the connecting arm 501 drives the pressing member 401 to rotate around the hinge portion between the pressing member and the clamping seat, so that the upper end of the pressing member 401 rotates towards one side of the supporting member 402, until the upper bending section of the pressing member 401 upwards passes through the lightening hole at the bottom of the motor end cover 1, the lower surface of the bending part contacts with the inner bottom surface of the motor end cover 1, and the supporting member 402 and the pressing member 401 respectively apply pressure to the bottom of the motor end cover from top to bottom to press the motor end cover 1.
In the embodiment, only the pressing piece 401, the supporting piece 402, the cylinder lifting mechanism 5 and the driving screw are adopted to clamp the product, the clamping mode of the clamping device greatly reduces the deformation problem of the product in the machining process, and the mode that the product is clamped by applying pressure through a hydraulic oil cylinder in the prior art is abandoned, so that the problem that the product is easy to deform is well solved. And this embodiment the stability of anchor clamps to 1 centre gripping of motor end cover is higher, and difficult emergence is not hard up, avoids the centre gripping dynamics to lead to the quality variation of product processing inadequately.
Because the use of the hydraulic oil cylinder is reduced, the structure of the whole device is simpler, the manufacturing cost is reduced, meanwhile, the maintenance of the whole device is simpler, and the service life of the clamp is greatly prolonged.
It should be noted that, in this embodiment, it needs to be guaranteed that when compressing tightly the motor end cover, the upper and lower compressing portions are in the same phase, that is, the upper bending portion of the compressing member and the supporting member are in the same phase, otherwise the compressing effect is affected.
If adopt this embodiment the anchor clamps carry out the finish turning to the different motor end cover 1 of bearing chamber internal diameter and add, only need to change positioning disk 3, guarantee that suitable annular boss excircle diameter can, other parts need not be changed (in the actual production process, under the partial condition, the motor end cover 1 that needs processing only has the difference of bearing chamber internal diameter, and other structure size is the same or similar, consequently can share other parts of anchor clamps). The whole clamp has stronger plasticity (namely universality), the manufacturing cost of the clamp is effectively reduced, and the processing 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 (9)
1. The utility model provides a prevent motor end cover finish turning anchor clamps that clamping warp which characterized in that: comprises a base, a positioning disk, a clamping mechanism and a clamping control mechanism, wherein the positioning disk is fixed on the base, a plurality of groups of clamping mechanisms are distributed on the positioning disk along the circumferential direction and comprise a pressing piece and a supporting piece, the supporting piece is fixed, the pressing piece is positioned at one side of the supporting piece, the lower end of the pressing piece is hinged with the base, the pressing end at the upper end of the pressing piece can penetrate through a lightening hole at the bottom of a motor end cover to reach the upper part of the supporting piece through rotating around the hinged part, so as to clamp the bottom of the motor end cover under the combined action of the supporting piece and the pressing piece, the clamping control mechanism comprises a lifting mechanism and a driving mechanism, the lifting mechanism is positioned in the center of the positioning disk, the lifting mechanism is provided with connecting arms which are in one-to-one correspondence with the pressing pieces, the connecting arm is hinged with the lower end of the corresponding pressing piece, the driving mechanism is connected with the lifting mechanism, so as to drive the lifting mechanism to lift along the axial direction of the positioning disc, and the connecting arm drives the lower end of the pressing piece to rotate around the hinged part of the pressing piece and the base.
2. The clamping deformation preventing motor end cover finish turning clamp as claimed in claim 1, wherein: the positioning plate is provided with mounting holes with the same number as the clamping mechanisms, the pressing pieces of the clamping mechanisms are arranged in the mounting holes, and the supporting pieces are fixed on one side, close to the outer edge, of the upper end face of the positioning plate.
3. The clamping deformation preventing motor end cover finish turning clamp as claimed in claim 2, wherein: the clamping mechanism further comprises a clamping seat which is located below the pressing piece and fixedly connected with the base, the upper end of the pressing piece is of an L-shaped bending structure and is bent towards one side of the supporting piece, two parallel pin shafts are fixed to the lower end of the pressing piece, the axial direction of each pin shaft is perpendicular to the bending direction of the upper end of the pressing piece, the arrangement direction of the two pin shafts is parallel to the bending direction of the upper end of the pressing piece, one pin shaft is matched with a pin hole in the clamping seat to form a hinged portion, the other pin shaft is matched with a pin hole in the connecting arm to form a hinged portion, and the pin hole in the connecting arm is a long hole in the horizontal direction.
4. The motor end cover finish turning clamp capable of preventing clamping deformation according to claim 3, is characterized in that: the through-hole has been seted up to base central authorities, elevating system is the cylinder structure, locates in the base through-hole, the elevating system up end is located to the linking arm, and linking arm upper portion side integral type is equipped with the journal stirrup of two parallels, the journal stirrup stretches out to pressing from both sides tight seat one side, constitutes L shape structure with the linking arm, slot hole on the linking arm is located the journal stirrup, and the journal stirrup passes through the slot hole and compresses tightly a round pin hub connection of piece lower part.
5. The motor end cover finish turning clamp capable of preventing clamping deformation according to claim 4, is characterized in that: and a notch is formed in the side wall of the through hole in the center of the base, corresponding to the connecting arm, and used for avoiding the lug on the connecting arm.
6. The clamping deformation preventing motor end cover finish turning clamp as claimed in claim 5, wherein: the driving mechanism comprises a screw rod, the screw rod is connected with the positioning disc, the screw rod is axially positioned through the positioning disc, a threaded through hole is formed in the center of the lifting mechanism, the screw rod is matched with the threaded through hole, and the lifting mechanism can be driven to axially lift by screwing the screw rod.
7. The motor end cover finish turning clamp capable of preventing clamping deformation according to claim 6, is characterized in that: the positioning disc is characterized in that a through hole is formed in the center of the positioning disc, the screw is arranged in the through hole, an annular groove is formed in the outer circle of the screw, a U-shaped limiting clamping sleeve is arranged in the annular groove, clamping grooves are formed in the positions, corresponding to the two ends of the U-shaped limiting clamping sleeve, of the side wall of the through hole respectively, and the two ends of the U-shaped limiting clamping sleeve are inserted into the clamping grooves.
8. The motor end cover finish turning clamp capable of preventing clamping deformation according to claim 7, is characterized in that: and an annular boss which can be matched with an inner hole of a bearing chamber of the motor end cover is arranged in the center of the positioning plate.
9. The clamping deformation preventing motor end cover finish turning clamp as claimed in claim 1, wherein: the position that the base up end is located motor end cover fixing base below respectively is equipped with two at least hydraulic buffer, and the telescopic link on the hydraulic buffer can support motor end cover fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022804379.5U CN214685249U (en) | 2020-11-29 | 2020-11-29 | Motor end cover finish turning clamp capable of preventing clamping deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022804379.5U CN214685249U (en) | 2020-11-29 | 2020-11-29 | Motor end cover finish turning clamp capable of preventing clamping deformation |
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| Publication Number | Publication Date |
|---|---|
| CN214685249U true CN214685249U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022804379.5U Active CN214685249U (en) | 2020-11-29 | 2020-11-29 | Motor end cover finish turning clamp capable of preventing clamping deformation |
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| CN (1) | CN214685249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372334A (en) * | 2020-11-29 | 2021-02-19 | 湖北长鑫源汽车实业有限公司 | Motor end cover finish turning clamp capable of preventing clamping deformation |
| CN116652644A (en) * | 2023-07-06 | 2023-08-29 | 长沙博大科工股份有限公司 | Clamping fixture for processing engine end cover |
-
2020
- 2020-11-29 CN CN202022804379.5U patent/CN214685249U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372334A (en) * | 2020-11-29 | 2021-02-19 | 湖北长鑫源汽车实业有限公司 | Motor end cover finish turning clamp capable of preventing clamping deformation |
| CN116652644A (en) * | 2023-07-06 | 2023-08-29 | 长沙博大科工股份有限公司 | Clamping fixture for processing engine end cover |
| CN116652644B (en) * | 2023-07-06 | 2023-10-13 | 长沙博大科工股份有限公司 | Clamping fixture for processing engine end cover |
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