CN220838996U - Four-axis forming clamping jig - Google Patents
Four-axis forming clamping jig Download PDFInfo
- Publication number
- CN220838996U CN220838996U CN202321909095.XU CN202321909095U CN220838996U CN 220838996 U CN220838996 U CN 220838996U CN 202321909095 U CN202321909095 U CN 202321909095U CN 220838996 U CN220838996 U CN 220838996U
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- base
- cover plate
- buckling
- connecting rod
- boss
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- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 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
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a four-axis forming clamping jig, which comprises a base, a clamping device and a clamping device, wherein the base is used for being assembled on a four-axis CNC machine tool; at least one buckling boss is arranged on the base; the buckling lug boss is used for carrying the workpiece in an alignment way; the cover plate is detachably connected to the upper part of the buckling boss through a connecting rod, and an avoidance space for a processing cutter to pass through is formed in the cover plate; one end of the connecting rod penetrates into the buckling boss, the other end of the connecting rod compresses the cover plate downwards, and the workpiece can be compressed on the buckling boss. Above-mentioned clamping tool is through being equipped with the base, has a plurality of lock bosss on the base, places the back on the lock boss at the work piece, uses the connecting rod to lock the apron in the top of work piece, can be fixed in the base with the work piece. The fixture can clamp a plurality of workpieces on the CNC four-axis bridge plate machine at one time, the three surfaces of the workpieces can be formed by single clamping, the repeated clamping is not needed as in the past, and the assembly efficiency and the machining efficiency are improved.
Description
Technical Field
The utility model relates to the technical field of four-axis CNC jigs, in particular to a four-axis forming clamping jig.
Background
As shown in fig. 1, the aluminum connecting sleeve is used as a straight pipe connecting sleeve, the structure of the connecting sleeve comprises a cylinder body 1 and a flange 2 connected to one end of the cylinder body, the cylinder body is used for sleeving a required straight pipe, a locking hole 3 is radially penetrated through the wall body of the cylinder body along the cylinder body, and an alignment hole 4 matched with an installation surface is formed on the flange. In machining, first, machining of circumferential contours of the cylinder and the flange is performed by using a lathe, and then machining of the locking hole 3 and the alignment groove 4 is performed by using a CNC machine tool.
The existing three-axis CNC machine tool is generally adopted for machining, and the three-axis CNC machine tool can meet the drawing requirements only by multi-surface machining, and has the following defects: 1. CNC is required to process three surfaces of a front locking hole, a back locking hole and a top surface alignment groove, each surface needs repeated clamping, and the CNC is long in time consumption and low in efficiency; 2. the quality is easily affected by the appearance of repeated clamping and scratching; 3. the common clamping processing deformation of the thin-wall part greatly influences the dimensional accuracy and the form and position tolerance. Thus, improvements are needed.
Disclosure of utility model
Based on the structure, the utility model provides a four-axis forming clamping jig, which is provided with a base, a plurality of buckling bosses are arranged on the base, after a workpiece is placed on the buckling bosses, a cover plate is locked on the top of the workpiece by using a connecting rod, the workpiece can be fixed in the base, a plurality of parts can be clamped once by using the jig to be installed on a CNC four-axis bridge plate machine, three-face forming can be continuously processed, and the problems of multiple assembly and low assembly efficiency in the past are solved.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
Four-axis shaping clamping tool includes: a base for assembly to a four-axis CNC machine; at least one buckling boss is arranged on the base; the buckling lug boss is used for carrying a workpiece in an alignment manner; the cover plate is detachably connected to the upper part of the buckling boss through a connecting rod, and the cover plate is provided with an avoidance space for a processing cutter to pass through; one end of the connecting rod penetrates into the buckling boss, the other end of the connecting rod downwards compresses the cover plate, and a workpiece can be compressed on the buckling boss.
Furthermore, the base is of an I-shaped structure, and mounting clamping grooves are formed in two sides of the base for clamping and mounting of the CNC machine tool.
Further, the buckling boss comprises a first pad table and a second pad table which are concentrically arranged; the first pad is arranged at the upper part of the base; the second pad table is arranged on the upper part of the first pad table; the outer diameter of the second pad is smaller than that of the first pad.
Further, the buckling bosses are arranged at the upper part of the base at fixed intervals.
Further, the buckling lug boss is provided with a threaded hole; the cover plate is provided with an assembly through hole; the assembly through hole is aligned with the axis of the threaded hole.
Further, a rod body of the connecting rod is provided with a thread section; the thread section is arranged corresponding to the threaded hole.
Further, the top end of the connecting rod is provided with a compression cap; the outer diameter of the pressing cap is larger than the inner diameter of the assembly through hole.
Further, a covering part extends outwards along the radial direction of the cover plate; the cover part forms the avoidance space along the circumferential line of the cover plate.
The utility model has the beneficial effects that:
According to the utility model, the base is provided with the plurality of buckling bosses, and after the workpiece is placed on the buckling bosses, the cover plate is locked on the top of the workpiece by using the connecting rod, so that the workpiece can be fixed in the base. The fixture can clamp a plurality of workpieces on the CNC four-axis bridge plate machine at one time, and three surfaces of the workpieces can be formed by single clamping, so that the fixture does not need to be clamped for a plurality of times like the prior art, and the assembly efficiency and the machining efficiency are improved; avoiding the problems of scratch and even deformation caused by repeated clamping.
Drawings
FIG. 1 is a schematic view of a workpiece structure to be processed in the background art;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 4 is a schematic view of the structure of an assembled workpiece of the present utility model;
FIG. 5 is a top view and a schematic cross-sectional view of the present utility model at A-A.
1. A cylinder; 2. a flange; 3. a locking hole; 4. an alignment groove; 10. a base; 11. installing a clamping groove; 20. a boss is buckled; 21. a first pad; 22. a second pad; 23. a threaded hole; 30. a cover plate; 31. an avoidance space; 32. a cover part; 40. a connecting rod; 41. a threaded section; 42. the cap is pressed tightly.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 2-5, a four-axis forming clamping fixture comprises a base 10, a buckling boss 20 and a cover plate 30.
The base 10 plays a role of integral bearing and can be assembled on a four-axis CNC machine tool; in this embodiment, the base 10 has an i-shaped structure, and mounting slots 11 are provided on two sides thereof for clamping and mounting the CNC machine.
The fastening bosses 20 are disposed at the upper portion of the base 10, in this embodiment, three fastening bosses 20 are arranged at a fixed interval along the length direction of the base 10, the center of the middle fastening boss 20 is aligned with the middle point of the base 10, the fastening bosses 20 on the left and right sides are symmetrically disposed, and a corresponding number of fastening bosses 20 can be set according to the production requirement; the fastening boss 20 is used for carrying a workpiece in alignment, and specifically, the fastening boss 20 includes a first pad 21 and a second pad 22 concentrically arranged; the first pad 21 is provided on the upper portion of the base 10; the second pad 22 is disposed on the upper portion of the first pad; the outer diameter of the second pad 22 is smaller than that of the first pad 21, and the outer diameter of the second pad 22 is matched with the inner diameter of the cylinder 1 in the workpiece, so that the workpiece can be stably carried, and the stability in the processing process is ensured; and the top end level of the second pad 22 is lower than the bottom end level of the workpiece locking hole 33 so that the CNC tool can penetrate into the cylinder 1 in the radial direction for machining.
The cover plate 30 is detachably connected above the fastening boss 20 through a connecting rod 40, and the cover plate 30 is provided with an avoidance space 31 for a processing cutter to pass through; one end of the connecting rod 40 penetrates into the buckling boss 20, and the other end of the connecting rod downwards compresses the cover plate 30, so that a workpiece can be compressed on the buckling boss 20;
For the detachable connection, in this embodiment, the fastening boss 20 is provided with a threaded hole 23; the cover plate 30 is provided with an assembly through hole; the assembly through hole is aligned with the axis of the threaded hole 23; the rod body of the connecting rod 40 is provided with a thread section 41; the thread segments 41 are arranged corresponding to the threaded holes 23; the top end of the connecting rod 40 is provided with a thread section 42; the outer diameter of the threaded section 42 is greater than the inner diameter of the fitting through hole; through the structure, after the fastening boss 20 is placed on the workpiece, the cover plate 30 inserted with the connecting rod 40 can be correspondingly placed on the workpiece, and the connecting rod 40 is screwed into the threaded hole 23 to realize detachable connection;
The cover plate 30 is provided with a cover part 32 extending outwards along the radial direction; the cover part 32 forms the avoidance space 31 along the circumferential line of the cover plate 30; the cover part 32 is staggered with the alignment groove 4 on the workpiece, when the workpiece is assembled, the cover part 32 and the alignment groove 4 are staggered and placed, after the connecting rod 40 is screwed in, the cover part 32 can press the edge of the workpiece flange 2 downwards, and the CNC cutter can also process the alignment groove 4.
Working principle:
Firstly, putting the jig on a machine, firstly, installing the jig on a four-axis bridge plate of a four-axis CNC machine tool, and correcting the appearance of the jig within 0.01 mm; then, the parts are placed on each buckling boss 20 of the tool and locked by using the connecting rods 40, a workpiece processing program is input to start processing, during processing, four-axis bridge plates of the CNC machine tool rotate sequentially, so that the surfaces to be processed of the workpieces are sequentially aligned with CNC spindles to process, after the processing is completed, the four axes rotate to the original point, finally, the workpieces are taken down, and new workpieces are fed to process.
The clamping jig is provided with the base 10, the base 10 is provided with the plurality of buckling bosses 20, and after a workpiece is placed on the buckling bosses 20, the cover plate 30 is locked on the top of the workpiece by using the connecting rod 40, so that the workpiece can be fixed in the base 10. The fixture can clamp a plurality of workpieces on the CNC four-axis bridge plate machine at one time, and three surfaces of the workpieces can be formed by single clamping, so that the fixture does not need to be clamped for a plurality of times like the prior art, and the assembly efficiency and the machining efficiency are improved; the problem of scratch and even deformation caused by repeated clamping is avoided, and after debugging, machine tool operators can simultaneously start 2 machines, so that the machining efficiency is greatly improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. Four-axis shaping clamping tool, its characterized in that includes: a base for assembly to a four-axis CNC machine; at least one buckling boss is arranged on the base; the buckling lug boss is used for carrying a workpiece in an alignment manner; the cover plate is detachably connected to the upper part of the buckling boss through a connecting rod, and the cover plate is provided with an avoidance space for a processing cutter to pass through; one end of the connecting rod penetrates into the buckling boss, the other end of the connecting rod downwards compresses the cover plate, and a workpiece can be compressed on the buckling boss.
2. The four-axis forming clamping jig according to claim 1, wherein the base is of an I-shaped structure, and mounting clamping grooves are formed in two sides of the base for clamping and mounting of a CNC machine tool.
3. The four-axis forming clamping jig of claim 1, wherein the buckling boss comprises a first pad and a second pad which are concentrically arranged; the first pad is arranged at the upper part of the base; the second pad table is arranged on the upper part of the first pad table; the outer diameter of the second pad is smaller than that of the first pad.
4. The four-axis forming clamping jig according to claim 1, wherein the fastening bosses are arranged at a fixed interval on the upper portion of the base.
5. The four-axis forming clamping jig according to claim 1, wherein threaded holes are formed in the buckling bosses; the cover plate is provided with an assembly through hole; the assembly through hole is aligned with the axis of the threaded hole.
6. The four-axis forming clamping jig according to claim 5, wherein a threaded section is arranged on a rod body of the connecting rod; the thread section is arranged corresponding to the threaded hole.
7. The four-axis forming clamping jig according to claim 5, wherein the top end of the connecting rod is provided with a compression cap; the outer diameter of the pressing cap is larger than the inner diameter of the assembly through hole.
8. The four-axis forming clamping jig according to claim 1, wherein the cover plate is provided with a covering part extending outwards along the radial direction of the cover plate; the cover part forms the avoidance space along the circumferential line of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909095.XU CN220838996U (en) | 2023-07-19 | 2023-07-19 | Four-axis forming clamping jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909095.XU CN220838996U (en) | 2023-07-19 | 2023-07-19 | Four-axis forming clamping jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220838996U true CN220838996U (en) | 2024-04-26 |
Family
ID=90772407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321909095.XU Active CN220838996U (en) | 2023-07-19 | 2023-07-19 | Four-axis forming clamping jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220838996U (en) |
-
2023
- 2023-07-19 CN CN202321909095.XU patent/CN220838996U/en active Active
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