CN220128016U - Flexible clamp and workbench - Google Patents
Flexible clamp and workbench Download PDFInfo
- Publication number
- CN220128016U CN220128016U CN202321694400.8U CN202321694400U CN220128016U CN 220128016 U CN220128016 U CN 220128016U CN 202321694400 U CN202321694400 U CN 202321694400U CN 220128016 U CN220128016 U CN 220128016U
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- China
- Prior art keywords
- guide sleeve
- hole
- connecting rod
- screw
- flexible clamp
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- 238000003825 pressing Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract description 14
- 238000007906 compression Methods 0.000 abstract description 14
- 238000005056 compaction Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a flexible clamp and a workbench, wherein the clamp comprises a compression base, the compression base is provided with a mounting through hole along an axis, and the periphery of the compression base is provided with a limiting hole communicated with the mounting through hole; the guide sleeve is connected in the mounting through hole in a sliding manner, and a clamping groove is formed in the side wall of the guide sleeve; the baffle is detachably arranged in the limit hole, and when the baffle is connected with the limit hole, the inner end of the baffle is clamped in the clamping groove so as to fix the guide sleeve; the connecting rod is axially and slidably arranged along the guide sleeve, one end of the connecting rod, which is positioned in the guide sleeve, is provided with a screw hole, and one end, which is far away from the guide sleeve, of the connecting rod 2 is connected with a tightening plate assembly; the screw rod is arranged in the guide sleeve and is in threaded connection with the screw hole of the connecting rod. And the screw rod is rotationally connected with the guide sleeve and is in threaded connection with the screw hole. The utility model can rapidly realize the unloading of the clamp after the clamping, and improves the unloading efficiency.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a flexible clamp and a workbench.
Background
The middle section structural member of the movable arm of the excavator needs to be clamped and unloaded by means of a tooling fixture rapidly to improve the quality of the splicing point of the structural member, reduce welding deformation and improve production efficiency.
The existing compression fixture is a simple mechanical screw fixture, is fixed with a fixture platform in a bolt installation or welding mode, and achieves compression and unloading of workpieces through rotating screws, as shown in the accompanying figure 1. When rivet welding operation is performed, an operator needs to use a wrench to carry out jacking unloading, and as the compacting stroke is longer, a certain time is required, and the compacting and unloading efficiency is lower.
Disclosure of Invention
The utility model aims to provide a flexible clamp and a workbench, which are used for solving the problem of low unloading efficiency of a compression clamp in the prior art.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
in a first aspect, the present utility model discloses a flexible clamp comprising:
a flexible clip comprising:
the pressing base is provided with an installation through hole along the axis, and the periphery of the pressing base is provided with a limiting hole communicated with the installation through hole;
the guide sleeve is connected in the mounting through hole in a sliding way, and a clamping groove is formed in the side wall of the guide sleeve;
the baffle plate is detachably arranged in the limiting hole, and when the baffle plate is connected with the limiting hole, the inner end of the baffle plate is clamped in the clamping groove so as to fix the guide sleeve;
the connecting rod is axially and slidably arranged along the guide sleeve, one end of the connecting rod, which is positioned in the guide sleeve, is provided with a screw hole, and one end of the connecting rod, which is far away from the guide sleeve, is connected with a tightening plate assembly;
and the screw rod is arranged in the guide sleeve and is in threaded connection with the screw hole of the connecting rod.
Further, the end part of the guide sleeve is also connected with a flange cover for axially limiting the screw;
one end of the screw rod is positioned at the inner side of the flange cover, and the other end of the screw rod is positioned at the outer side of the flange cover.
Further, the tightening plate assembly comprises a long connecting plate arranged at the end part of the connecting rod and tightening plates arranged at the two end parts of the working surface of the long connecting plate.
Further, the end part of the connecting rod is provided with a U-shaped chuck, and the middle part of the long connecting plate is arranged in the U-shaped chuck and is fixed through a cylindrical pin and a fixing pin.
Further, the periphery of the connecting rod is provided with a guide groove along the axial direction, and the inner ring of the guide sleeve is provided with a guide key matched with the guide groove.
Further, the device also comprises a sliding rail, wherein a sliding block is connected to the sliding rail in a sliding manner, and the sliding block is connected with the compaction base through a connecting column.
Further, a flat plate connected with the sliding block is arranged on the bottom surface of the connecting column, and a mold-changing pin used for limiting the sliding block is arranged on the flat plate.
Further, a steel sleeve is arranged in the installation through hole of the pressing base, and the guide sleeve is arranged in the steel sleeve in a sliding manner.
Further, the guide sleeve is in clearance fit with the steel sleeve, and the connecting rod is in clearance fit with the guide sleeve.
In a second aspect, the utility model discloses a workbench, which comprises a tooling platform and the flexible clamp in any one of the first aspect, wherein a plurality of groups of connecting screw holes for installing sliding rails and connecting holes for positioning a mold changing pin are formed in the tooling platform.
According to the technical scheme, the utility model has the beneficial effects that:
1. the device can enable the connecting rod to move along the guide sleeve by rotating the screw rod so as to compress the middle section structure of the movable arm through the connected jacking plate assembly, thereby ensuring the compressing effect on the middle section structure of the movable arm;
2. through the baffle that can dismantle the setting, when the baffle is connected to the spacing hole that compresses tightly the base, the draw-in groove block on the inner and the uide bushing of baffle is fixed with the uide bushing, and accessible rotation screw rod realizes compressing tightly this moment, and after the baffle was dismantled, the uide bushing can slide along compressing tightly the base, and the realization anchor clamps that can be quick compress tightly the uninstallation after, has improved unloading efficiency.
Drawings
FIG. 1 is a schematic view of a clamping device in the background art;
FIG. 2 is a schematic view of the structure of the flexible clamp of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of a table compression boom midsection structural member of the present utility model;
fig. 5 is a partial structural cross-sectional view of fig. 2.
Wherein: 1. a top tightening plate assembly; 2. a connecting rod; 3. a guide sleeve; 4. compressing the base; 5. a baffle; 6. a flange cover; 7. a screw; 8. a slide rail; 9. a slide block; 10. a mold changing pin; 11. a cylindrical pin; 12. a fixing pin; 13. a steel sleeve; 14. a flexible clamp; 15. a boom middle section assembly; 16. and (5) a tooling platform.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
According to the flexible fixture, the detachable baffle plates can be used for rapidly unloading the fixture after being pressed, so that the problem of low fixture unloading efficiency is solved.
In addition, through the use discovery, the existing clamp has the following problems: because the welding tool is basically multi-machine type mixed production operation, the sizes and specifications of various types of workpieces are greatly different, the manually-adjusted mechanical structure has no good universality, and the condition that a pressing device interferes with the workpieces often occurs. The structure has poor jacking synchronism, can not simultaneously jack the upper sealing plate and the lower sealing plate, has poor gap control capability, still needs to manually measure and confirm the fillet weld gap and the edge alignment degree of the upper side plate and the lower side plate after compaction, and causes unnecessary action waste.
The flexible clamp designed by the utility model mainly solves the problem of low unloading efficiency, and has better universality and gap control capability.
Examples
As shown in fig. 2 to 5, the flexible clamp comprises a compression base 4, wherein the compression base 4 is provided with a mounting through hole along an axis, and the periphery of the base is provided with a limiting hole communicated with the mounting through hole; the guide sleeve 3 is connected in the mounting through hole in a sliding manner, and a clamping groove is formed in the side wall of the guide sleeve 3; the baffle plate 5 is detachably arranged in the limit hole, and when the baffle plate 5 is connected with the limit hole, the inner end of the baffle plate 5 is clamped in the clamping groove to fix the guide sleeve 3; the connecting rod 2 is arranged along the axial direction of the guide sleeve 3 in a sliding way, a screw hole is further formed in the end face of the connecting rod 2 in the guide sleeve 3, and a tightening plate assembly 1 is connected to the connecting rod outside the guide sleeve 3; and the screw rod 7 is arranged in the guide sleeve 3 and is in threaded connection with the screw hole of the connecting rod 2.
Through the baffle that can dismantle the setting, when the baffle is connected to the spacing hole that compresses tightly the base, the draw-in groove block on the inner and the uide bushing of baffle is fixed with the uide bushing, and accessible rotation screw rod realizes compressing tightly this moment, and after the baffle was dismantled, the uide bushing can slide along compressing tightly the base, and the realization anchor clamps that can be quick compress tightly the uninstallation after, has improved unloading efficiency.
In the utility model, the outer periphery 2 of the connecting rod is provided with a guide groove along the axial direction, and the inner ring of the guide sleeve 3 is provided with a guide key matched with the guide groove. The thread section of the screw rod is positioned in the guide sleeve 3 and is connected with the screw hole of the connecting rod 2. When the screw is turned, the connecting rod 2 can only move in the direction of the axis of the guide bush due to the threaded engagement between the connecting rod 2 and the screw 7 and the guiding action between the connecting rod and the guide bush.
In some further embodiments, a flange cover 6 for axially limiting the screw 7 is also connected to the end of the guide sleeve 3. As shown in fig. 3, the flange cover 6 is connected to the end of the guide sleeve 3 through a screw, a groove for limiting the axial movement of the screw 7 is formed at the joint of the flange cover 6 and the guide sleeve 3, one end of the screw 7 is located at the inner side of the flange cover 6 and connected with a screw hole of the connecting rod 2, and the other end of the screw 7 is located at the outer side of the flange cover 6, so that an operator can rotate the screw 7 conveniently.
As shown in fig. 5, the following is explained: when the clamp is used, the baffle plate 5 can be matched with the clamping groove of the guide sleeve 3, the guide sleeve is in a fixed state, and an operator can drive the jacking plate assembly 1 to realize jacking by normally using a spanner to screw the 7 screw rod. When the workpiece is required to be unloaded, a worker pulls out the baffle plate 5, and at the moment, the worker can directly pull out the guide sleeve 5 and the connected jacking plate assembly 1 by hands without screwing a screw by using a spanner to unload the workpiece.
In some further embodiments, the jacking plate assembly 1 includes a long connecting plate provided at an end of the connecting rod 2 and jacking plates provided at both ends of a working surface of the long connecting plate. The end of the connecting rod 2 is provided with a U-shaped chuck, the middle part of the long connecting plate is arranged in the U-shaped chuck and is fixed by a cylindrical pin 11 and a fixing pin 12.
Through setting up the tight board in top at long connecting plate working face both ends, can be simultaneously to last shrouding, lower shrouding top tightly simultaneously, guaranteed clearance control ability. And after the sealing is performed, the fillet weld gap and the edge alignment degree of the upper sealing plate and the lower sealing plate are not required to be measured and confirmed manually.
In some further embodiments, the flexible fixture further comprises a sliding rail 8, a sliding block 9 is slidably connected to the sliding rail 8, the sliding block 9 is connected to the pressing base 4 through a connecting column with a flat plate, and a mold-changing pin 10 for limiting the sliding block 9 is arranged on the flat plate. Further, a plurality of bolts are arranged on the sliding rail, and the sliding rail can be fixed at a required position through the bolts. When the sliding rail is used, the sliding rail can be fixed through the bolts, the sliding block 9 can be moved according to the use requirement after the sliding block is fixed through the mold changing pin 10 after the sliding block is in place, the sliding block can slide on the sliding rail, the operation is convenient, the compression adjustment of different machine types and a plurality of positions can be met, and the universality is good.
The application process of the utility model is as follows: before use, the punching position and the final installation position of each machine type are confirmed after the workpiece reference positioning of the tool platform 16 and the movable arm middle section assembly 15 is confirmed through computer digital-analog simulation and field verification. When the pressing function is used, the baffle plate 5 is matched with the processing plane of the guide sleeve 3 arranged in the pressing base 4 in advance, and the guide sleeve is in a fixed state; at this time, the screw rod 7 is screwed down by using a spanner, the screw rod 7 and the connecting rod 2 are connected through threads, the flange cover 6 plays a role in limiting the forward movement of the screw rod 7, the connecting rod 2 and the guide sleeve 3 are in clearance fit, the steel sleeve 13 and the guide sleeve 3 are in clearance fit, and the effect is to avoid the direct fit of the guide sleeve 3 and the processing hole inside the compression base 4 and avoid the abrasion of the compression base 4. And at this moment, along with the rotation of the screw rod 7, the connecting rod 2 drives the jacking plate assembly 1 to realize the workpiece compacting function, the screw transmission stress in the process is smaller, and the condition that the screw thread stress is damaged due to the direct stress of the simple screw rod jacking can be effectively avoided. After the splice welding operation is completed, the baffle plate 5 is outwards broken off, the guide sleeve 3 is in a free state at the moment, the flange cover 6 or the screw rod 7 can be directly and manually grasped to be pulled out in the opposite pressing direction, and the spanner is not required to be used for unloading, so that the time and the labor are saved. When the next workpiece is pressed, the pressing is pushed to the pressing direction manually, the baffle plate 5 is matched with the guide sleeve 3 again, and the screw rod 7 is not required to be repeatedly screwed. When the workpiece model is switched, the pressing tool position is adjusted by using the mold changing pin 10, so that quick mold changing is realized.
This patent can solve through the flexible anchor clamps of design can reduce welding deformation degree, promotes dimensional accuracy to can effectively eliminate unnecessary action extravagant.
The clamp is provided with the mold changing slide rail 8 and the matched slide block 9, can meet the compression adjustment of different types and a plurality of positions, and has good universality.
When the fixture is unloaded, the fixture can be directly manually grabbed by a flange cover 6 or a screw rod 7 to pull out the compression assembly, a spanner is not required to be used for secondary tightening and unloading, the unloading action of the movable arm middle section assembly is reduced, and the action waste is effectively reduced; (unloading efficiency is high.
The durability and maintainability of the tool are better than those of the traditional simple screw compaction tool.
The compaction requirement of multi-model workpieces is met, secondary adjustment of a compaction assembly is avoided, and the mold changing efficiency is improved; the workpiece is rapidly pressed and unloaded by utilizing the cooperation of the guide sleeve 3 and the baffle plate 5; the dynamic chemical process can also be used for rapid compaction and unloading.
Examples
The present embodiment also provides a workbench, which includes the flexible fixture of embodiment 1 and the tooling platform 16, as shown in fig. 4, where the flexible fixture 14 is installed on the tooling platform 16 to compress the middle-arm assembly. Specifically, the tooling platform 16 is provided with a plurality of groups of screw holes for being matched with bolts on the slide rail 8, and the slide rail 8 is fixed on the tooling platform 16. Similarly, the tooling platform 16 is further provided with a through hole for being matched with the mold changing pin 10 so as to fix the sliding block 9.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (10)
1. A flexible clip, comprising:
the pressing base (4) is provided with an installation through hole along the axis, and the periphery of the pressing base (4) is provided with a limit hole communicated with the installation through hole;
the guide sleeve (3) is connected in the installation through hole in a sliding way, and a clamping groove is formed in the side wall of the guide sleeve (3);
the baffle (5) is detachably arranged in the limit hole, and when the baffle (5) is connected with the limit hole, the inner end of the baffle (5) is clamped in the clamping groove so as to fix the guide sleeve (3);
the connecting rod (2) is axially and slidably arranged along the guide sleeve (3), one end, which is positioned in the guide sleeve (3), of the connecting rod (2) is provided with a screw hole, and one end, which is far away from the guide sleeve (3), of the connecting rod (2) is connected with the jacking plate assembly (1);
and the screw rod (7) is arranged in the guide sleeve (3) and is in threaded connection with the screw hole of the connecting rod (2).
2. The flexible clamp according to claim 1, characterized in that the end of the guiding sleeve (3) is further connected with a flange cover (6) for axially limiting the screw (7);
one end of the screw rod (7) is positioned at the inner side of the flange cover (6), and the other end of the screw rod is positioned at the outer side of the flange cover (6).
3. A flexible clamp according to claim 1, characterized in that the tightening plate assembly (1) comprises a long connecting plate arranged at the end of the connecting rod (2) and tightening plates arranged at the two ends of the working surface of the long connecting plate.
4. A flexible clamp according to claim 3, characterized in that the end of the connecting rod (2) is provided with a U-shaped collet, the middle part of the long connecting plate being arranged in the U-shaped collet and being fixed by means of a cylindrical pin (11) and a fixing pin (12).
5. The flexible clamp according to claim 1, characterized in that the outer circumference of the connecting rod (2) is provided with a guiding groove along the axial direction, and the inner ring of the guiding sleeve (3) is provided with a guiding key adapted to the guiding groove.
6. The flexible clamp according to claim 1, further comprising a sliding rail (8), wherein a sliding block (9) is slidably connected to the sliding rail (8), and the sliding block (9) is connected to the pressing base (4) through a connecting column.
7. The flexible clamp according to claim 6, characterized in that the bottom surface of the connecting column is provided with a flat plate connected with the sliding block (9), and the flat plate is provided with a mold-changing pin (10) for limiting the sliding block (9).
8. A flexible clamp according to claim 1, characterized in that a steel sleeve (13) is arranged in the mounting through hole of the pressing base (4), and the guide sleeve (3) is arranged in the steel sleeve (13) in a sliding manner.
9. A flexible clamp according to claim 8, characterized in that the guide sleeve (3) and the steel sleeve (13) are in clearance fit, and the connecting rod (2) and the guide sleeve (3) are in clearance fit.
10. A workbench which is characterized by comprising a tooling platform (16) and the flexible clamp as claimed in any one of claims 1-9, wherein the tooling platform (16) is provided with a plurality of groups of connecting screw holes for installing sliding rails (8) and connecting holes for positioning a mold-changing pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694400.8U CN220128016U (en) | 2023-06-30 | 2023-06-30 | Flexible clamp and workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694400.8U CN220128016U (en) | 2023-06-30 | 2023-06-30 | Flexible clamp and workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128016U true CN220128016U (en) | 2023-12-05 |
Family
ID=88948339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321694400.8U Active CN220128016U (en) | 2023-06-30 | 2023-06-30 | Flexible clamp and workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128016U (en) |
-
2023
- 2023-06-30 CN CN202321694400.8U patent/CN220128016U/en active Active
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