CN220592859U - Clamp tool with cambered surface shell workpiece - Google Patents
Clamp tool with cambered surface shell workpiece Download PDFInfo
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- CN220592859U CN220592859U CN202321855270.1U CN202321855270U CN220592859U CN 220592859 U CN220592859 U CN 220592859U CN 202321855270 U CN202321855270 U CN 202321855270U CN 220592859 U CN220592859 U CN 220592859U
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- 238000003825 pressing Methods 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 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 provides a fixture tool for workpieces with cambered surface shells, which comprises a positioning structure and a clamping structure, wherein the positioning structure comprises a positioning base, and the top surface of the positioning base is provided with a positioning groove for installing the workpieces; a pressing mechanism is arranged on one side of the positioning base and is provided with a pressing plate, and the pressing plate can apply downward pressure to the workpiece in the positioning groove; the other side of the positioning base is provided with a jacking mechanism, and the jacking mechanism is provided with a push rod which can give horizontal pressure to the workpiece in the positioning groove; the clamping structure comprises two clamps positioned at two sides, and clamping arms are arranged on the two clamps; the arm lock is V type structure, and the opening of two arm locks sets up in opposite directions. According to the utility model, the workpiece is positioned through the positioning groove, and is accurately positioned and clamped through the pressing mechanism, the propping mechanism and the clamping structure, so that the precision of part processing is improved, the production efficiency is improved, and the processing can be efficiently finished with high quality.
Description
Technical Field
The utility model relates to the technical field of workpiece clamping and machining, in particular to a fixture tool for a workpiece with a cambered surface shell.
Background
In the field of engineering equipment, a shell workpiece with an arc surface is commonly used, and higher precision requirement is required.
In the prior art, when the workpiece with the cambered surface shell is machined, a manual clamp is usually used for clamping the workpiece, but the skill of an operator is relatively tested because the manual clamp is adopted, if the skill of the operator is insufficient, the workpiece is stressed unevenly in the machining process, so that the workpiece is easy to deform, the workpiece is finally inaccurate in size machining, and the production quality is not very good. In addition, during processing, the workpiece is easily damaged by manual compaction; meanwhile, the existing clamping of the workpiece is complicated in steps, time and labor are wasted, and machining efficiency is greatly affected.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a fixture tool with a cambered surface shell workpiece, which comprises a substrate, wherein the substrate is provided with:
the positioning structure comprises a positioning base, a positioning groove is concavely formed in the top surface of the positioning base, an opening of the positioning groove faces forwards, and the contour of the positioning groove is consistent with that of a workpiece; a pressing mechanism is arranged on one side of the positioning base and comprises a pressing plate and a first hydraulic cylinder which is vertically arranged, the pressing plate extends to the upper part of the positioning groove, the first hydraulic cylinder is used for driving the pressing plate, and the pressing plate can give downward pressure to a workpiece in the positioning groove under the action of the first hydraulic cylinder; the other side of the positioning base is provided with a jacking mechanism, the jacking mechanism is provided with a second hydraulic cylinder which is horizontally arranged, the telescopic end of the second hydraulic cylinder is connected with a push rod, under the action of the second hydraulic cylinder, the push rod penetrates through the positioning base, and the end part of the push rod can give horizontal pressure to a workpiece in the positioning groove;
the clamping structure is positioned in front of the positioning structure and comprises two clamps positioned at two sides, a third hydraulic cylinder is arranged on each clamp, and the telescopic end of each third hydraulic cylinder is connected with a clamping arm; the clamping arms are of a V-shaped structure, openings of the two clamping arms are arranged in opposite directions, and the two third hydraulic cylinders are arranged in opposite directions.
As the optimization, hold-down mechanism is including setting up the base that compresses tightly on the base plate, sets up on this base that compresses tightly first pneumatic cylinder, and the telescopic shaft of first pneumatic cylinder links to each other with the one end downside of clamp plate, still is provided with the supporting shoe on this base that compresses tightly, and the relative both sides of supporting shoe all rotate and are equipped with the journal stirrup, and the clamp plate is located between two journal stirrups, and links to each other through the connecting rod between clamp plate and the two journal stirrups.
As optimization, a first stop block is arranged on the top surface of the positioning base and positioned on one side of the positioning groove far away from the second hydraulic cylinder.
As optimization, the fixture comprises a vertical plate arranged on the top surface of the base plate, one surface of the vertical plate is provided with the third hydraulic cylinder, the other surface of the vertical plate is provided with a pushing block, a telescopic shaft of the third hydraulic cylinder penetrates through the vertical plate and then is connected with the pushing block, and the pushing block is connected with the clamping arm.
As optimization, an assembly groove is formed in one surface, close to the third hydraulic cylinder, of the pushing block, and a telescopic shaft of the third hydraulic cylinder is arranged in the assembly groove; the telescopic shaft of the third hydraulic cylinder is provided with a limiting groove along the circumferential direction, the assembly groove is internally provided with a limiting ring in a protruding mode close to the notch, and the third hydraulic cylinder and the assembly groove are installed together through the matching of the limiting ring and the limiting groove.
As optimization, the clamping groove is formed in one face, close to the pushing block, of the clamping arm, the clamping block is arranged on one face, close to the clamping arm, of the pushing block, and the pushing block and the clamping arm are installed together through plug-in matching between the clamping block and the clamping groove.
As an optimization, the two vertical plates are connected together through the transverse plate, a fourth hydraulic cylinder is arranged on the transverse plate, the telescopic shaft of the fourth hydraulic cylinder extends towards the direction of the positioning base, and the telescopic shaft of the fourth hydraulic cylinder can give pressure to the front end of the workpiece on the positioning groove.
As an optimization, a second stop block is arranged on the top surface of the positioning base and positioned at the rear of the positioning groove.
As optimization, a balancing weight is further arranged on the base plate.
Compared with the prior art, the utility model has the following beneficial effects:
the fixture adopting the scheme realizes automatic positioning and clamping of the workpiece, improves the stability and the positioning accuracy of clamping, avoids errors in workpiece positioning, clamping and processing, improves the repeatability and reproducibility of workpiece processing, ensures the clamping speed, and improves the processing efficiency and the processing quality of the workpiece.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
Fig. 1 is a schematic diagram of a fixture tool with a cambered surface shell type workpiece.
Fig. 2 is a schematic view of a positioning structure according to the present utility model.
Fig. 3 is a schematic view of the hold-down mechanism of the present utility model.
Fig. 4 is a schematic diagram showing the cooperation of the tightening mechanism and the positioning structure of the present utility model.
Fig. 5 is a schematic view of the clamp of the present utility model.
Fig. 6 is a schematic view of the cooperation of the transverse plate and the vertical plate of the present utility model.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
Examples: as shown in fig. 1-6, a fixture tool for a workpiece with a cambered surface shell comprises a base plate 1, wherein a positioning structure 2 and a clamping structure 3 are arranged on the base plate 1.
The positioning structure 2 comprises a positioning base 21, wherein a positioning groove 22 is concavely arranged on the top surface of the positioning base 21, the opening of the positioning groove 22 faces forward, and the contour of the positioning groove 22 is consistent with the contour of a workpiece; a pressing mechanism 23 is arranged on one side of the positioning base 21, the pressing mechanism 23 comprises a pressing plate 232 and a first hydraulic cylinder 231 which is vertically arranged, the pressing plate 232 extends to the upper side of the positioning groove 22, the first hydraulic cylinder 231 is used for driving the pressing plate 232, and the pressing plate 232 can give downward pressure to a workpiece in the positioning groove 22 under the action of the first hydraulic cylinder 231; the other side of the positioning base 21 is provided with a tightening mechanism 24, the tightening mechanism 24 is provided with a second hydraulic cylinder 241 which is horizontally arranged, the telescopic end of the second hydraulic cylinder 241 is connected with a push rod 242, the push rod 242 penetrates through the positioning base 21 under the action of the second hydraulic cylinder 242, and the end part of the push rod 242 can give horizontal pressure to a workpiece in the positioning groove 22.
Like this, realize the location of work piece through the constant head tank, give the decurrent pressure of work piece in constant head tank 22 through hold-down mechanism's clamp plate, give horizontal pressure of left and right directions to the side of work piece through tight mechanism in top, realize accurate location, improve the precision of part processing to can improve production efficiency, can accomplish processing by high-efficient high quality.
In practice, the second hydraulic cylinder 241 may be a single-acting cylinder.
The clamping structure 3 is positioned in front of the positioning structure 2, the clamping structure 3 comprises two clamps 31 positioned at two sides, a third hydraulic cylinder 311 is arranged on each clamp 31, and the telescopic end of the third hydraulic cylinder 311 is connected with a clamping arm 312; the clamping arms 312 have a V-shaped structure, and openings of the two clamping arms 312 are opposite to each other, and the two third hydraulic cylinders 311 are opposite to each other.
Thus, the end part of the workpiece mounted on the positioning groove is clamped by the two clamping arms, so that accurate clamping is realized.
In one embodiment of the present application, the pressing mechanism 23 includes a pressing base 233 disposed on the substrate 1, the pressing base 233 is provided with the first hydraulic cylinder 231, a telescopic shaft of the first hydraulic cylinder 231 is connected with an underside of one end of the pressing plate 232, the pressing base 233 is further provided with a supporting block 234, two opposite sides of the supporting block 234 are both rotated to be provided with lugs 235, the pressing plate 232 is disposed between two lugs 235, and the pressing plate 232 is connected with the two lugs 235 through a connecting rod 236.
In operation, lugs 235 are rotatably coupled to support blocks 234 via a damping shaft.
Thus, after the start key of the first hydraulic cylinder 231 is pressed, the telescopic shaft of the first hydraulic cylinder 231 is pushed out upwards, at this time, because the pressing plate 232 is rotationally connected with the supporting block 234 through the damping shaft, one end of the pressing plate 232 close to the first hydraulic cylinder 231 is lifted upwards, and the other end of the pressing plate 232 is pressed downwards, so that the top surface of a workpiece is pressed, and the longitudinal limiting of the workpiece is realized.
In one embodiment of the present application, a first stop 243 is mounted on the top surface of the positioning base 233 and on the side of the positioning slot 22 remote from the second hydraulic cylinder 242.
Thus, when the ejector rod applies horizontal pressure to the side face of the workpiece, the first stop block supports the workpiece from the other side, so that the workpiece is prevented from being offset, and the workpiece is further tightly pressed and positioned.
In one embodiment of the present application, the fixture 31 includes a vertical plate 313 disposed on the top surface of the base plate 1, one surface of the vertical plate 313 is provided with the third hydraulic cylinder 311, the other surface of the vertical plate 313 is provided with a push block 314, the telescopic shaft of the third hydraulic cylinder 311 passes through the vertical plate 313 and is connected to the push block 314, and the push block 314 is connected to the clamping arm 312.
In operation, third cylinder 311 is mounted to riser 313 by a plurality of struts 318.
In one embodiment of the present application, the pushing block 314 has an assembly groove on a surface thereof close to the third hydraulic cylinder 311, and the telescopic shaft of the third hydraulic cylinder 311 is disposed in the assembly groove; the telescopic shaft of the third hydraulic cylinder 311 is concavely provided with a limit groove 315 along the circumferential direction thereof, the assembly groove is convexly provided with a limit ring 316 at the position close to the notch in the assembly groove, and the third hydraulic cylinder 311 and the assembly groove are mounted together through the cooperation of the limit ring 316 and the limit groove 315.
In one embodiment of the present application, the clamping arm 312 has a clamping groove on one side thereof close to the pushing block 314, the pushing block 314 has a clamping block 317 on one side thereof close to the clamping arm 312, and the pushing block 314 and the clamping arm 312 are mounted together by means of a plug-in fit between the clamping block 317 and the clamping groove.
Therefore, the push block is firmly installed between the push block and the telescopic shafts of the clamping arms and the third hydraulic cylinder, and the push block is convenient to detach.
In one embodiment of the present application, the two vertical plates 313 are connected together by the transverse plate 4, the transverse plate 4 is provided with a fourth hydraulic cylinder 41, the telescopic shaft of the fourth hydraulic cylinder 41 extends towards the positioning base 21, and the telescopic shaft of the fourth hydraulic cylinder 41 can give pressure to the front end of the workpiece on the positioning groove 22. In practice, the fourth hydraulic cylinder 41 may be a single-acting cylinder.
In this way, the presence of the cross plate strengthens the mounting strength of the two uprights 313; meanwhile, the fourth hydraulic cylinder gives horizontal pressure in the front-rear direction to the end face of the workpiece, so that the workpiece is accurately positioned.
In one embodiment of the present application, a second stop 42 is mounted on the top surface of the positioning base 21 at a position rearward of the positioning slot 22.
Thus, when the fourth hydraulic cylinder applies horizontal pressure to the end face of the workpiece, the second stopper is supported from the other end to the workpiece, so that the workpiece is prevented from being deviated, and the workpiece is further positioned in a tight-pushing manner.
In one embodiment of the present application, a weight 5 is further provided on the base plate 1.
The specific implementation process of the scheme is as follows:
firstly, placing a workpiece on a positioning base 21, enabling an arc surface at the rear end of the workpiece to be attached to the contour of the positioning base 21, enabling horizontal pressure in the left-right direction to be given to the side surface of the workpiece through a jacking mechanism, enabling horizontal pressure in the front-rear direction to be given to the end surface of the workpiece through a fourth hydraulic cylinder, enabling the degree of freedom of the workpiece to be limited by a first stop 243 and a second stop 42, enabling downward pressure to be given to the top surface of the workpiece through a pressing mechanism 23, and guaranteeing the positioning of the workpiece in six directions of up, down, front, back, left and right; then, a third hydraulic cylinder is started, and drives two clamping arms to perform auxiliary clamping on the workpiece; then, starting to process the workpiece; and finally, after the machining is finished, closing the hydraulic switch, resetting each hydraulic cylinder, and taking out the workpiece.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. The utility model provides a take anchor clamps frock of cambered surface casing class work piece which characterized in that, includes the base plate, installs on the base plate:
the positioning structure comprises a positioning base, a positioning groove is concavely formed in the top surface of the positioning base, an opening of the positioning groove faces forwards, and the contour of the positioning groove is consistent with that of a workpiece; a pressing mechanism is arranged on one side of the positioning base and comprises a pressing plate and a first hydraulic cylinder which is vertically arranged, the pressing plate extends to the upper part of the positioning groove, the first hydraulic cylinder is used for driving the pressing plate, and the pressing plate can give downward pressure to a workpiece in the positioning groove under the action of the first hydraulic cylinder; the other side of the positioning base is provided with a jacking mechanism, the jacking mechanism is provided with a second hydraulic cylinder which is horizontally arranged, the telescopic end of the second hydraulic cylinder is connected with a push rod, under the action of the second hydraulic cylinder, the push rod penetrates through the positioning base, and the end part of the push rod can give horizontal pressure to a workpiece in the positioning groove;
the clamping structure is positioned in front of the positioning structure and comprises two clamps positioned at two sides, a third hydraulic cylinder is arranged on each clamp, and the telescopic end of each third hydraulic cylinder is connected with a clamping arm; the clamping arms are of a V-shaped structure, openings of the two clamping arms are arranged in opposite directions, and the two third hydraulic cylinders are arranged in opposite directions.
2. The fixture tool with the cambered surface shell workpiece according to claim 1, wherein the pressing mechanism further comprises a pressing base arranged on the base plate, the first hydraulic cylinder is arranged on the pressing base, a telescopic shaft of the first hydraulic cylinder is connected with the lower side of one end of the pressing plate, a supporting block is further arranged on the pressing base, lugs are rotatably arranged on two opposite sides of the supporting block, the pressing plate is arranged between the two lugs, and the pressing plate is connected with the two lugs through a connecting rod.
3. The fixture tool with the cambered surface shell type workpiece, according to claim 1, wherein the first stop block is arranged on the top surface of the positioning base and positioned on one side of the positioning groove far away from the second hydraulic cylinder.
4. The fixture tool with the cambered surface shell workpiece, as set forth in claim 1, characterized in that the fixture comprises a vertical plate arranged on the top surface of the base plate, the third hydraulic cylinder is arranged on one surface of the vertical plate, the pushing block is arranged on the other surface of the vertical plate, and a telescopic shaft of the third hydraulic cylinder penetrates through the vertical plate and then is connected with the pushing block, and the pushing block is connected with the clamping arm.
5. The fixture tool with the cambered surface shell type workpiece, which is disclosed in claim 4, is characterized in that an assembly groove is formed in one surface of the push block, which is close to the third hydraulic cylinder, and a telescopic shaft of the third hydraulic cylinder is arranged in the assembly groove; the telescopic shaft of the third hydraulic cylinder is provided with a limiting groove along the circumferential direction, the assembly groove is internally provided with a limiting ring in a protruding mode close to the notch, and the third hydraulic cylinder and the assembly groove are installed together through the matching of the limiting ring and the limiting groove.
6. The fixture tool with the cambered surface shell type workpiece, as set forth in claim 5, wherein the clamping arm is provided with a clamping groove on one surface close to the pushing block, the pushing block is provided with a clamping block on one surface close to the clamping arm, and the pushing block and the clamping arm are installed together through the plug-in fit between the clamping block and the clamping groove.
7. The fixture tool for workpieces with cambered surface shells of claim 4, wherein the two vertical plates are connected together through a transverse plate, a fourth hydraulic cylinder is arranged on the transverse plate, the telescopic shaft of the fourth hydraulic cylinder extends towards the direction of the positioning base, and the telescopic shaft of the fourth hydraulic cylinder can give pressure to the front end of the workpiece on the positioning groove.
8. The fixture tool for workpieces with cambered surface shells of claim 7, wherein the second stop block is arranged on the top surface of the positioning base and positioned behind the positioning groove.
9. The fixture tool for workpieces with cambered surface shells of claim 1, wherein a balancing weight is further arranged on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855270.1U CN220592859U (en) | 2023-07-14 | 2023-07-14 | Clamp tool with cambered surface shell workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855270.1U CN220592859U (en) | 2023-07-14 | 2023-07-14 | Clamp tool with cambered surface shell workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220592859U true CN220592859U (en) | 2024-03-15 |
Family
ID=90172214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321855270.1U Active CN220592859U (en) | 2023-07-14 | 2023-07-14 | Clamp tool with cambered surface shell workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220592859U (en) |
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2023
- 2023-07-14 CN CN202321855270.1U patent/CN220592859U/en active Active
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