CN220330633U - Frock clamp of CNC rapid prototyping spare processing - Google Patents
Frock clamp of CNC rapid prototyping spare processing Download PDFInfo
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- CN220330633U CN220330633U CN202321936136.4U CN202321936136U CN220330633U CN 220330633 U CN220330633 U CN 220330633U CN 202321936136 U CN202321936136 U CN 202321936136U CN 220330633 U CN220330633 U CN 220330633U
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- 238000003754 machining Methods 0.000 claims abstract description 35
- 210000004907 gland Anatomy 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a fixture for CNC rapid prototyping part machining, which comprises a fixture body, wherein the bottom of the fixture body is fixedly connected with a machine tool workbench, a section of external thread is arranged at the upper part of the fixture body, a slide rail matched with a chute of a blank to be machined is arranged on the upper end surface of the fixture body, a gland nut is connected with the external thread of the fixture body through threads, the gland nut can be moved up and down on the fixture body by screwing the gland nut, the blank to be machined is spliced with the slide rail on the fixture body through the chute, and the gland nut is screwed to move upwards so as to tightly prop up the lower surface of the blank to be machined; the fixture can complete the processing of five surfaces only by one-time clamping, fully plays the characteristics of multi-axis linkage and multi-angle surface processing of the five-axis machine tool, is convenient for workpiece clamping, and can greatly improve the processing efficiency, save blank materials and improve the appearance processing quality of parts only by blanking blanks along the appearance of the workpiece.
Description
Technical Field
The utility model belongs to the technical field of machining, and relates to a fixture for machining CNC (computerized numerical control) rapid prototyping parts.
Background
The existing CNC rapid prototyping piece processing fixture is provided with a bolt pressing plate and a vice, the bolt pressing plate and the vice are used for realizing clamping and positioning of blanks through material addition in all directions, and as the clamping elements limit a cutter path, multiple faces cannot be processed simultaneously by one-time clamping, so that the problems of multiple times of clamping, multiple programming notes, multiple splitting procedures and the like of workpieces are caused, the processing efficiency is low, the surface quality of the workpieces is poor, blank materials are wasted, and the performance that the existing five-axis machining center can realize multi-axis linkage and multi-angle face processing cannot be exerted.
The utility model patent CN217493414U provides a clamp for positioning and fixing CNC processing workpieces, which comprises a base, a first objective table, a second objective table, a first fixing piece, a second fixing piece and a driving group, wherein the first objective table, the second objective table, the first fixing piece, the second fixing piece and the driving group are all arranged on the base, a bulge is arranged on the workpiece, a first positioning groove is formed in the first objective table, when the workpiece is placed on the first objective table, the bulge is embedded with the first positioning groove, a second positioning groove is formed in the second objective table, when the workpiece is placed on the second objective table, the bulge is embedded with the second positioning groove, the first fixing piece is arranged at the side of the first objective table, the second fixing piece is arranged at the side of the second objective table, the driving group is respectively in driving connection with the first fixing piece and the second fixing piece, and the clamp for positioning and fixing the CNC processing workpieces realizes automatic positioning of the workpieces, avoids manual correction and instability of the workpieces during CNC processing, and improves the generating efficiency. However, the technical scheme provided by the utility model is too complex in structure and cannot achieve the technical effects of one-time clamping and multi-surface machining.
The utility model patent CN218776108U provides a side-pushing self-locking CNC finish machining tool clamp, which comprises a tool clamping table, and further comprises grooves and inlet and outlet grooves, wherein the surface of the tool clamping table is provided with the grooves distributed in a rectangular array, the surface of the tool clamping table is further provided with the inlet and outlet grooves, the inlet and outlet grooves are connected between the grooves and the edge side of the tool clamping table, the inner side of the grooves is provided with an embedded groove, a pushing assembly is detachably arranged in the embedded groove, and a clamping assembly is detachably arranged between the side walls of the pushing assembly. The workpiece clamping device can clamp a plurality of workpieces simultaneously to finish machining the workpieces, has higher machining efficiency, does not need to manually take the workpieces, and further improves the machining efficiency of the workpieces. However, the technical scheme provided by the utility model cannot realize the technical effects of one-time clamping and multi-surface machining.
The utility model patent CN216398776U provides a CNC machining center clamp quick positioning device, which comprises a substrate; the first positioning structure is fixedly arranged on the upper wall of the substrate and is positioned at the central part; the second positioning structure is fixedly arranged on the first positioning structure; the utility model relates to the technical field of CNC processing equipment, in particular to a quick positioning device for a CNC processing center clamp, which can enable a workpiece to be initially limited through a first positioning structure, can realize multi-angle clamping limit and drive the workpiece to rotate and adjust the direction through a second positioning structure, and can accurately and quickly position the workpiece at a center position, so that more time is saved, and the quick positioning device is convenient to operate and strong in adjustability. However, the technical scheme provided by the utility model is not suitable for a five-axis machining center, and the technical effects of one-time clamping and multi-surface machining cannot be realized.
In summary, there is an urgent need for a tooling fixture for machining a rapid prototyping part, which is used in cooperation with a CNC five-axis machining center and has a simple structure and convenient use, and the problems that in the prior art, the tooling fixture limits the tool path, so that the workpiece needs to be clamped for many times, programming is complicated, the appearance quality of the workpiece is poor, the machining characteristics of the five-axis machining center cannot be exerted, the efficiency is low, and blank materials are wasted are solved.
Disclosure of Invention
The utility model provides a fixture for CNC rapid forming part machining, which aims to solve the problems that in the prior art, the existing fixture limits a tool path, so that a workpiece needs to be clamped for a plurality of times, programming is complicated, the appearance quality of the workpiece is poor, the machining characteristics of a five-axis machining center cannot be exerted, the efficiency is low, blank materials are wasted and the like.
The utility model is realized by adopting the following technical scheme:
the utility model provides a frock clamp of CNC rapid prototyping spare processing, be connected with CNC five machining center's lathe workstation and be used for the blank of waiting to process of fixed rectangular block structure, the lower surface of blank of waiting to process has the spout, including a anchor clamps body, the bottom and the lathe workstation fixed connection of anchor clamps body, there is one section external screw thread on the upper portion of anchor clamps body, have on the up end of anchor clamps body with the spout complex slide rail of blank of waiting to process, a gland nut passes through threaded connection with the external screw thread of anchor clamps body, it can make gland nut reciprocate at the anchor clamps body to twist gland nut, the blank of waiting to process is pegged graft through the slide rail on spout and the anchor clamps body, twist gland nut makes gland nut upwards move and then the lower surface of the blank of top tightly waiting to process, in order to restrict the X of blank of waiting to process to remove to Y and Z.
The further technical scheme comprises the following steps:
the bottom of the fixture body is a disc-type connecting flange fixedly connected with the machine tool workbench, a plurality of mounting holes are uniformly formed in the connecting flange at intervals, the connecting flange is fixed on the machine tool workbench through the mounting holes and bolts, and then the fixture body is fixed on the machine tool workbench.
The part of the clamp body above the connecting flange is a section of cylinder concentric with the connecting flange, the external thread of the clamp body is arranged between the middle part and the upper part of the outer surface of the cylinder, and the slide rail on the clamp body is arranged on the upper end surface of the cylinder.
The center line of the slide rail coincides with the straight line where one diameter of the cylinder is located.
The surface of the compression nut, which is contacted with the blank to be processed, is in a circular ring shape.
The outer diameter of the annular surface of the compression nut in contact with the blank to be machined is smaller than the length and width of the blank to be machined.
The length of the sliding rail is smaller than that of the sliding groove.
The sliding groove on the lower surface of the blank to be processed is a dovetail sliding groove, and the sliding rail on the clamp body is a dovetail sliding rail matched with the dovetail sliding groove of the blank to be processed.
Compared with the prior art, the utility model has the beneficial effects that:
the fixture for machining the CNC rapid prototyping part provided by the utility model can finish machining of five surfaces by only one clamping, fully exerts the characteristics of multi-axis linkage and multi-angle surface machining of a five-axis machine tool, is convenient for workpiece clamping and simple in programming, and can greatly improve the machining efficiency by only blanking along the shape of the workpiece, saves blank materials and improves the appearance machining quality of parts. The clamp can be used singly or in groups.
Drawings
The utility model is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a fixture for machining a CNC rapid prototyping part.
Fig. 2 is a side view of a blank to be machined secured using the present utility model.
Fig. 3 is a side view of a fixture for machining CNC rapid prototyping parts.
Fig. 4 is a side view of a blank to be machined secured using the present utility model.
Fig. 5 is an isometric view of a blank to be machined secured using the present utility model.
In the figure: 1. the connecting flange, the mounting hole, the cylinder, the external thread, the slide rail, the compression nut, the blank to be processed and the chute are respectively arranged on the connecting flange, the mounting hole, the cylinder, the external thread, the slide rail, the compression nut and the blank to be processed.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
the utility model provides a fixture for CNC rapid prototyping part machining, which is connected with a machine tool workbench of a CNC five-axis machining center and is used for fixing a blank 7 to be machined with a rectangular block structure, wherein a chute 8 is formed in the lower surface of the blank 7 to be machined as shown in fig. 2.
As shown in fig. 1, 3, 4 and 5, the fixture comprises a fixture body, wherein the bottom of the fixture body is fixedly connected with a machine tool workbench, a section of external thread 4 is arranged on the upper part of the fixture body, a slide rail 5 matched with a slide groove of a blank to be processed is arranged on the upper end surface of the fixture body, a compression nut 6 is in threaded connection with the external thread 4 of the fixture body, the compression nut 6 can be moved up and down on the fixture body by screwing the compression nut 6, the blank 7 to be processed is spliced with the slide rail 5 on the fixture body through the slide groove 8, and the compression nut 6 is screwed to enable the compression nut 6 to move upwards so as to tightly prop up the lower surface of the blank 7 to be processed, so that the movement of the blank 7 to be processed in the X direction, the Y direction and the Z direction is limited.
In this embodiment, as shown in the figure, the fixture body is a revolving body structure, the bottom of the fixture body is a disc-type connecting flange 1 fixedly connected with the machine tool workbench, a plurality of mounting holes 2 are uniformly formed in the connecting flange 1 at intervals, the connecting flange 1 is fixed on the machine tool workbench through the mounting holes 2 and bolts, the fixture body is further fixed on the machine tool workbench, the part of the fixture body above the connecting flange 1 is a section of cylinder 3 concentrically arranged with the connecting flange 1, external threads 4 of the fixture body are arranged in the middle to upper parts of the outer surface of the cylinder 3, and sliding rails 5 on the fixture body are arranged on the upper end surface of the cylinder 3. The centre line of the slide rail 5 coincides with the straight line where one diameter of the cylinder 3 is located.
The surface of the compression nut 6 in contact with the blank 7 to be processed is annular. The outer diameter of the annular surface of the compression nut 6 in contact with the blank 7 to be machined is smaller than the length and width of the blank 7 to be machined. The length of the slide rail 5 is smaller than the length of the slide groove 8. The blank 7 to be processed completely covers the cylinder 3 and the slide rail 5, so that one-time clamping multi-surface processing is realized, and the processing efficiency, the appearance quality and the like are improved.
The sliding groove 8 on the lower surface of the blank 7 to be processed is a dovetail sliding groove, and the sliding rail 5 on the clamp body is a dovetail sliding rail matched with the dovetail sliding groove of the blank 7 to be processed. The clamping mode is firmer and more reliable.
When the fixture clamp for CNC rapid prototyping part machining provided by the utility model is used for clamping and fixing a blank 7 to be machined, the fixture body is fixedly connected to the table top of a machine tool workbench through the connecting flange 1, the mounting hole 2 and the bolts, the dovetail groove of the blank 7 to be machined is in plug-in fit with the sliding rail 5 on the upper end surface of the cylinder 3 of the fixture body, the compression nut 6 is screwed to enable the compression nut 6 to move upwards, after the annular contact surface of the compression nut 6 is contacted with the bottom surface of the blank 7 to be machined, the compression nut 6 is continuously screwed to enable the compression nut 6 to tightly prop against the blank 7 to be machined from the lower side, and then the X-direction, Y-direction and Z-direction limiting of the blank 7 to be machined is realized, and the follow-up machining procedure is entered.
The fixture for machining the CNC rapid prototyping part provided by the utility model can be used independently, can be used for a plurality of special-shaped parts or large parts together, can be matched with the fixture in corresponding quantity by opening a plurality of sliding grooves at proper positions on the lower surface of the special-shaped parts or the large parts, and has the advantages of strong adaptability and more application scenes.
According to the utility model, the five surfaces can be machined by only one-time clamping, the characteristics of multi-axis linkage and multi-angle surface machining of the five-axis machine tool are fully exerted, the workpiece clamping is convenient and fast, the programming is simple, and the blank is only required to be arranged along the shape of the workpiece, so that the machining efficiency is greatly improved, the blank materials are saved, and the appearance machining quality of the part is improved. The problems that workpieces are required to be clamped for multiple times, programming notes are more, multiple programs are split, machining efficiency is low, workpiece surface quality is poor, blank materials are wasted, and performances of multi-axis linkage and multi-angle surface machining of an existing five-axis machining center cannot be brought into play in the prior art are well solved.
Claims (8)
1. The utility model provides a frock clamp of CNC rapid prototyping spare processing, be connected with CNC five machining center's lathe workstation and be used for fixed rectangular block structure's blank (7) of waiting to process, the lower surface of blank (7) of waiting to process has spout (8), a serial communication port, including a anchor clamps body, the bottom and the lathe workstation fixed connection of anchor clamps body, there is one section external screw thread (4) on the upper end of anchor clamps body, have on the up end with the slide rail (5) of the slide way complex of blank of waiting to process, a gland nut (6) pass through threaded connection with external screw thread (4) of anchor clamps body, screw gland nut (6) can make gland nut (6) reciprocate at the anchor clamps body, screw gland nut (6) are passed through slide way (8) and are pegged graft with slide rail (5) on the anchor clamps body, screw gland nut (6) make gland nut (6) upwards move and then top tightly the lower surface of blank (7) of waiting to process, in order to restrict the X of blank (7) of waiting to process to remove in Y direction and Z direction.
2. The fixture for machining CNC rapid prototyping parts according to claim 1, wherein the bottom of the fixture body is a disc-type connecting flange (1) fixedly connected with a machine tool workbench, a plurality of mounting holes (2) are uniformly formed in the connecting flange (1) at intervals, the connecting flange (1) is fixed on the machine tool workbench through the mounting holes (2) and bolts, and then the fixture body is fixed on the machine tool workbench.
3. The fixture for machining CNC rapid prototyping parts according to claim 2, wherein the part of the fixture body above the connecting flange (1) is a section of cylinder (3) concentrically arranged with the connecting flange (1), the external thread (4) of the fixture body is arranged on the middle to upper part of the outer surface of the cylinder (3), and the sliding rail (5) on the fixture body is arranged on the upper end surface of the cylinder (3).
4. A tool clamp for machining CNC rapid prototypes according to claim 3, characterized in that the centre line of the slide rail (5) coincides with the line of a diameter of the cylinder (3).
5. -tool clamp for CNC rapid prototyping according to any one of claims 1 to 4, characterized in that the surface of the compression nut (6) in contact with the blank (7) to be machined is annular.
6. The tool clamp for CNC rapid prototyping according to claim 5 wherein the outer diameter of the annular surface of the compression nut (6) in contact with the blank (7) to be machined is smaller than the length and width of the blank (7) to be machined.
7. The fixture for machining CNC rapid prototypes according to claim 6, wherein the length of the sliding rail (5) is smaller than the length of the sliding groove (8).
8. The fixture for machining CNC rapid prototyping according to any one of claims 1 to 4, wherein the chute (8) of the lower surface of the blank (7) to be machined is a dovetail chute, and the slide rail (5) on the fixture body is a dovetail slide rail which is matched with the dovetail chute of the blank (7) to be machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936136.4U CN220330633U (en) | 2023-07-21 | 2023-07-21 | Frock clamp of CNC rapid prototyping spare processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936136.4U CN220330633U (en) | 2023-07-21 | 2023-07-21 | Frock clamp of CNC rapid prototyping spare processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330633U true CN220330633U (en) | 2024-01-12 |
Family
ID=89441679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321936136.4U Active CN220330633U (en) | 2023-07-21 | 2023-07-21 | Frock clamp of CNC rapid prototyping spare processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330633U (en) |
-
2023
- 2023-07-21 CN CN202321936136.4U patent/CN220330633U/en active Active
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