CN220993615U - A high-efficient clamping device for special-shaped parts turning - Google Patents
A high-efficient clamping device for special-shaped parts turning Download PDFInfo
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- CN220993615U CN220993615U CN202322640328.7U CN202322640328U CN220993615U CN 220993615 U CN220993615 U CN 220993615U CN 202322640328 U CN202322640328 U CN 202322640328U CN 220993615 U CN220993615 U CN 220993615U
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- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 206010066054 Dysmorphism Diseases 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of machining fixtures, and discloses a high-efficiency clamping device for turning special-shaped parts. According to the utility model, the vertical positioning holes are skillfully formed in the base and are connected with the connecting handles, and the pressing plates connected through the screws are correspondingly arranged, so that the special-shaped pieces can be accurately and reliably positioned and clamped by mutual matching, and the shaft to be processed of the clamped special-shaped pieces and the connecting handles are coaxial for turning, so that the special-shaped pieces are characterized by simple structure, accurate and reliable positioning, convenience in replacement and stable clamping.
Description
Technical Field
The utility model belongs to the technical field of machining fixtures, and particularly relates to a high-efficiency clamping device for turning special-shaped parts, which has the advantages of simple structure, accurate and reliable positioning, convenience in replacement and stable clamping.
Background
Along with the social development, energy conservation, consumption reduction and production cost reduction become common consensus, so that the traditional multi-part combination mode can not meet the light weight and integration requirements of household appliances, automobiles, aerospace and military equipment, and the special-shaped parts are increasingly machined. In machining, the complicated special-shaped part can be finished by adopting advanced numerical control equipment such as a machining center, and for machining simple rotary parts such as shaft discs in the special-shaped part, the advanced numerical control equipment such as the machining center is adopted, so that the machining efficiency is low, and the clamping is inconvenient.
The turning part in the special-shaped part adopts a mode that the machining efficiency and the precision are highest, but because the turning part of the special-shaped part is often eccentric or inclined with the clampable part and even other parts of the special-shaped part are non-turning bodies, the clamping is inconvenient when the turning part in the special-shaped part is turned, the clamping time of the special-shaped part is more, the positioning accuracy is lower, and the high-precision machining requirement is difficult to meet. At present, for turning the turning part in the special-shaped part, the special-shaped part is generally clamped by a single-action chuck of a lathe and then turned after turning correction, but the positioning correction and adjustment are time-consuming due to complicated clamping and adjustment processes, and the repeated positioning precision is not high, the machining efficiency is low and the precision is difficult to ensure, so that the special-shaped part is difficult to adapt to batch production. Therefore, the special-shaped part is clamped by adding the corresponding adjusting block on the claw of the common chuck of the lathe, so that the turning correction process can be avoided to improve the turning efficiency, the error of the adjusting block is accumulated on the positioning precision due to the addition of the adjusting block, the final turning precision is affected, the clamping stability is poor due to the connecting structure of the adjusting block clamped on the claw, and the adjusting block is connected to the claw through the screw, so that the integrity of the claw can be broken.
In the prior art, a turning clamp with an outward expansion or inward expansion structure is adopted to clamp a turning part for a special-shaped part with a turning clamping part, and the turning part of the special-shaped part is turned, but the turning part clamped by the clamp influences turning of a clamping contact part, so that the turning is required to be performed twice, the machined turning surface is easy to generate a cutter connecting mark, the required machining dimensional precision is not achieved, and the part is scrapped in batches. Therefore, the eccentric clamping mechanism is arranged to clamp the non-rotary part of the special-shaped part, and the auxiliary positioning mechanism is arranged to position the special-shaped part, so that the machining of the rotary part can be completed by one-time turning, the problem that the turning-over machining generates a cutter mark is avoided, the general structure is complex, the replacement process of the special-shaped part is complex, and the clamping and positioning precision is still to be improved.
Disclosure of utility model
The utility model aims to provide the efficient clamping device for turning the special-shaped parts, which has the advantages of simple structure, accurate and reliable positioning, convenient replacement and stable clamping.
The utility model is realized by the following steps: including base, connective handle, clamp plate, screw, be provided with vertical locating hole in the one side of base L shape structure and inboard wherein, one side fixed connection and central line are perpendicular with vertical locating hole in the outside of connective handle and base, the base is provided with the screw respectively in the both sides of vertical locating hole, the clamp plate middle part be provided with the processing axle matched with recess of waiting of dysmorphism part, the clamp plate is provided with respectively in the both sides of recess with recess extending direction vertically through-hole, the screw passes through-hole and screw threaded connection.
Furthermore, the base is provided with a yielding groove which can extend into the corresponding part of the special-shaped part on the inner side surface of the opposite connecting handle.
Further, the abdication groove is a U-shaped groove, and the opening penetrates through the side surface of the base far away from the vertical positioning hole.
Further, the vertical distance from the bottom surface of the vertical positioning hole to the central line of the connecting handle is equal to the vertical distance from the top surface to the central line of the shaft to be processed of the special-shaped part.
Further, the wear-resistant bush which is in sliding fit with the corresponding positioning shaft of the special-shaped part is embedded in the vertical positioning hole, the top end of the wear-resistant bush is higher than the inner side surface of the base where the vertical positioning hole is located, and the vertical distance from the top end of the wear-resistant bush to the central line of the connecting handle is equal to the vertical distance from the top end of the wear-resistant bush to the central line of the shaft to be processed of the special-shaped part.
Further, a ring table with the diameter larger than that of the vertical positioning hole is arranged on the outer edge of the upper part of the wear-resistant lining.
Further, the clamp plate is provided with the quick release groove that runs through in one side of one of them through-hole, quick release groove is little outside big trapezoidal channel and the narrowest opening is not less than the through-hole diameter.
Further, a sleeve is sleeved on the screw penetrating through the other through hole on the pressing plate, and the height of the sleeve is smaller than the depth of the groove reduced by the diameter of the shaft to be processed of the special-shaped part.
Further, the base is fixedly provided with a counterweight at the corresponding side far away from the surface where the vertical positioning hole is located, or the thickness of the pressing plate is larger than the thickness of the surface where the vertical positioning hole is located.
The utility model has the beneficial effects that:
1. According to the characteristic of the special-shaped part, the vertical positioning hole and the connecting handle connected with the lathe chuck are skillfully formed in the base, the eccentric amount of the special-shaped part is adjusted and positioned through the vertical positioning hole, so that the shaft to be machined of the special-shaped part and the axis of the connecting handle are positioned on the same plane, then the screw hole is formed in the base, the pressing plate and the groove of the pressing plate are correspondingly formed, and the base and the pressing plate which are connected through the screw are mutually matched, so that the shaft to be machined of the special-shaped part and the axis of the connecting handle are coaxial and form reliable clamping so as to facilitate turning, and therefore, the turning precision of the shaft to be machined of the special-shaped part can be ensured, and the turning efficiency can be effectively improved.
2. According to the utility model, the vertical positioning holes on the base are used for positioning the height and limiting left and right of the special-shaped part, and the pressing plates connected through the screws are used for limiting the vertical direction and rotation of the special-shaped part, so that the clamping is stable and reliable, the replacement of the special-shaped part can be completed through adjusting the screws, the replacement time can be effectively reduced, the turning efficiency can be obviously improved, and the special-shaped part clamping device is particularly suitable for batch processing.
3. According to the utility model, the wear-resistant bushing which is in sliding fit with the positioning shaft of the special-shaped part is further embedded in the vertical positioning hole, the application range of the clamp is improved by replacing the wear-resistant bushing according to special-shaped parts with different specifications, and the precision of the wear-resistant bushing is easier to control than that of the vertical positioning hole, so that the precision after turning can be improved; and the top of the wear-resistant bushing is higher than the end face of the vertical positioning hole, so that deviation of the vertical distance from the end face of the vertical positioning hole to the connecting handle and the preset height can be corrected by processing the top of the wear-resistant bushing after embedding, and the positioning precision can be further improved.
In conclusion, the utility model has the characteristics of simple structure, accurate and reliable positioning, convenient replacement and stable clamping.
Drawings
FIG. 1 is a schematic diagram of a profile part;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a second schematic view of a profile part;
FIG. 4 is a second schematic diagram of the structure of the present utility model;
FIG. 5 is an exploded view of FIG. 4;
in the figure: the special-shaped part comprises a 1-base, 11-vertical positioning holes, 12-screw holes, 13-yielding grooves, 2-connecting handles, 3-pressing plates, 31-grooves, 32-through holes, 33-quick-unloading grooves, 4-screws, 5-wear-resistant bushings, 51-annular platforms, 6-sleeves, 7-counterweights and 8-special-shaped parts.
Detailed Description
The utility model is further illustrated in the following figures and examples, which are not intended to be limiting in any way, and any alterations or modifications based on the teachings of the utility model are within the scope of the utility model.
As shown in fig. 1 to 5, the utility model comprises a base 1, a connecting handle 2, a pressing plate 3 and a screw 4, wherein the base 1 is of an L-shaped structure, one surface of the inner side of the base 1 is provided with a vertical positioning hole 11, the connecting handle 2 is fixedly connected with one surface of the outer side of the base 1, the central line of the connecting handle is vertical to the vertical positioning hole 11, screw holes 12 are respectively arranged on two sides of the vertical positioning hole 11 of the base 1, a groove 31 matched with a shaft to be processed of a special-shaped part is arranged in the middle of the pressing plate 3, two sides of the groove 31 are respectively provided with a through hole 32 vertical to the extending direction of the groove 31, and the screw 4 penetrates through the through holes 32 and is in threaded connection with the screw holes 12.
The base 1 is provided with a relief groove 13 which can extend into the corresponding part of the special-shaped part on the inner side surface opposite to the connecting handle 2.
The relief groove 13 is a U-shaped groove and has an opening penetrating through the side surface of the base 1 away from the vertical positioning hole 11.
The vertical distance from the bottom surface of the vertical positioning hole 11 to the central line of the connecting handle 2 is equal to the vertical distance from the top surface to the central line of the shaft to be processed of the special-shaped part.
The wear-resistant bushing 5 which is in sliding fit with the corresponding positioning shaft of the special-shaped part is embedded in the vertical positioning hole 11, the top end of the wear-resistant bushing 5 is higher than the inner side surface of the base 1 where the vertical positioning hole 11 is located, and the vertical distance from the top end of the wear-resistant bushing 5 to the central line of the connecting handle 2 is equal to the vertical distance from the top end to the central line of the shaft to be processed of the special-shaped part.
The upper outer edge of the wear-resistant lining 5 is provided with a ring table 51 with a diameter larger than that of the vertical positioning hole 11.
The pressing plate 3 is provided with a through quick-release groove 33 at one side of one through hole 32, the quick-release groove 33 is a trapezoid groove with small inside and large outside, and the narrowest opening is not smaller than the diameter of the through hole 32.
The screw 4 penetrating through the other through hole 32 on the pressing plate 3 is sleeved with a sleeve 6, and the height of the sleeve 6 is smaller than the depth of the groove 31 reduced by the diameter of the shaft to be processed of the special-shaped part.
The counterweight 7 is fixedly arranged on the corresponding side of the surface of the base 1 far from the vertical positioning hole 11, or the thickness of the pressing plate 3 is larger than the thickness of the surface of the vertical positioning hole 11.
The working principle and the working process of the utility model are as follows:
As shown in fig. 3, 4 and 5, before processing, two screws 4 are respectively passed through the through holes 32 on both sides of the pressing plate 3, then a sleeve 6 is sleeved on one of the screws 4, then the screw 4 sleeved on the sleeve 6 is screwed into the screw hole 12 on the base 1, and the pressing plate 3 is rotated to one side around the screw 4 screwed into the screw hole 12 as a rotation center; the stem 2 to which the base 1 is attached is then clamped to the chuck of the lathe. During processing, the rear bulge of the special-shaped part 8 is aligned with the abdication groove 13, then the positioning shaft of the special-shaped part 8 is inserted into the wear-resistant bushing 5 in a sliding manner from top to bottom, then the pressing plate 3 is rotated to enable the other screw 4 to be screwed into the other screw hole 12 of the base 1, the groove 31 of the pressing plate 3 is abutted against the shaft to be processed or the matched rotation surface of the special-shaped part 8 when the two screws 4 are respectively screwed down, the shaft to be processed of the special-shaped part 8 is coaxial with the connecting handle 2, turning processing of the shaft to be processed of the special-shaped part 8 can be completed, and the next special-shaped part 8 can be replaced after processing is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (9)
1. A high-efficient clamping device for turning of dysmorphism part, its characterized in that includes base (1), connecting handle (2), clamp plate (3), screw (4), be provided with perpendicular locating hole (11) in base (1) for L shape structure and inboard wherein one side, connecting handle (2) and the outside wherein one side fixed connection of base (1) and central line are perpendicular with perpendicular locating hole (11), base (1) are provided with screw (12) respectively in the both sides of perpendicular locating hole (11), clamp plate (3) middle part is provided with the waiting to process axle matched with recess (31) of dysmorphism part, clamp plate (3) are provided with respectively in the both sides of recess (31) with recess (31) extending direction vertically through-hole (32), screw (4) pass through-hole (32) and screw (12) threaded connection.
2. Efficient clamping device for turning special-shaped parts according to claim 1, characterized in that the base (1) is provided with a relief groove (13) on the inner side of the opposite connecting handle (2) which can be extended into the corresponding part of the special-shaped part.
3. Efficient clamping device for turning profiled parts according to claim 2, characterized in that the relief groove (13) is a U-shaped groove and opens through the side of the base (1) remote from the vertical positioning hole (11).
4. A high efficiency clamping device for turning profiled parts according to claim 1, 2 or 3, characterized in that the vertical distance from the bottom surface of the vertical positioning hole (11) to the centre line of the connecting shank (2) is equal to the vertical distance from the top surface to the centre line of the shaft to be machined of the profiled part.
5. The efficient clamping device for turning the special-shaped parts according to claim 1, 2 or 3, wherein the vertical positioning holes (11) are embedded with wear-resistant bushings (5) which are in sliding fit with corresponding positioning shafts of the special-shaped parts, the top ends of the wear-resistant bushings (5) are higher than the inner side surface of the base (1) where the vertical positioning holes (11) are located, and the vertical distance from the top ends of the wear-resistant bushings (5) to the central line of the connecting handle (2) is equal to the vertical distance from the top ends to the central line of a shaft to be machined of the special-shaped parts.
6. Efficient clamping device for turning profiled parts according to claim 5, characterized in that the upper outer edge of the wear-resistant bushing (5) is provided with a ring table (51) with a diameter larger than the vertical positioning hole (11).
7. The efficient clamping device for turning special-shaped parts according to claim 5, wherein the pressing plate (3) is provided with a through quick-release groove (33) on one side of one of the through holes (32), the quick-release groove (33) is a trapezoid groove with small inside and large outside, and the narrowest opening is not smaller than the diameter of the through hole (32).
8. The efficient clamping device for turning the special-shaped parts according to claim 7, wherein a sleeve (6) is sleeved on a screw (4) penetrating through another through hole (32) on the pressing plate (3), and the height of the sleeve (6) is smaller than the depth of a groove (31) of the diameter of a shaft to be machined of the special-shaped parts.
9. The efficient clamping device for turning special-shaped parts according to claim 5, wherein the base (1) is fixedly provided with a counterweight (7) at the corresponding side far away from the surface where the vertical positioning hole (11) is located, or the thickness of the pressing plate (3) is larger than the thickness of the surface where the vertical positioning hole (11) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322640328.7U CN220993615U (en) | 2023-09-27 | 2023-09-27 | A high-efficient clamping device for special-shaped parts turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322640328.7U CN220993615U (en) | 2023-09-27 | 2023-09-27 | A high-efficient clamping device for special-shaped parts turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220993615U true CN220993615U (en) | 2024-05-24 |
Family
ID=91089304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322640328.7U Active CN220993615U (en) | 2023-09-27 | 2023-09-27 | A high-efficient clamping device for special-shaped parts turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220993615U (en) |
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2023
- 2023-09-27 CN CN202322640328.7U patent/CN220993615U/en active Active
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