CN210499277U - Positioning fixture for numerically controlled milling machine - Google Patents
Positioning fixture for numerically controlled milling machine Download PDFInfo
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- CN210499277U CN210499277U CN201920797370.0U CN201920797370U CN210499277U CN 210499277 U CN210499277 U CN 210499277U CN 201920797370 U CN201920797370 U CN 201920797370U CN 210499277 U CN210499277 U CN 210499277U
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- clamping block
- screw rod
- fixed
- clamp splice
- hole groove
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Abstract
The utility model particularly relates to a positioning fixture for numerically controlled fraise machine belongs to machining equipment technical field, and the technical problem that solve provides a stable and numerically controlled fraise machine positioning fixture who has cutter locate function of centre gripping, and the technical scheme of adoption is: a workbench and a first screw rod are connected between the movable clamping block and the fixed clamping block, a hole groove is formed in the movable clamping block, a notch is formed in the hole groove, a second screw rod is arranged in the hole groove and can rotate relative to the movable clamping block, the second screw rod comprises two threaded rods with opposite thread directions, nuts matched with the threaded rods are arranged on the threaded rods, positioning clamping blocks are fixed on the nuts, and the positioning clamping blocks penetrate through the notches of the hole groove; the utility model discloses added the location clamp splice, under the cooperation of location clamp splice, fixed clamp splice and activity clamp splice, confirmed the coordinate system on the numerically controlled fraise machine, improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of machining equipment, concretely relates to positioning fixture for numerically controlled fraise machine.
Background
At present, most of the existing numerically controlled milling machines adopt bench clamps as universal fixtures, various types of workpieces are clamped on a workbench of the numerically controlled milling machine by utilizing the bench clamps for processing, the existing bench clamps usually adopt a movable clamping block and a fixed clamping block to clamp the workpieces, when different workpieces are processed, coordinate systems on the numerically controlled milling machine are different, tool setting is required before processing different workpieces to determine the coordinate systems, the tool setting of the numerically controlled milling machine occupies a large amount of time, the working efficiency is seriously influenced, and when the bench clamps are used for clamping the workpieces made of softer materials such as aluminum materials, the workpieces are easily damaged by clamping, the local deformation of the workpieces is caused, and the processing quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a stable and numerical control milling machine positioning fixture who has cutter locate function of centre gripping.
In order to solve the technical problem, the utility model discloses a technical scheme be: a positioning jig for a numerically controlled milling machine, comprising: the positioning clamp comprises a workbench, a movable clamp block, a positioning clamp block, a fixed clamp block, a first screw rod, a second screw rod, a hole groove and a notch, wherein one end of the workbench horizontally arranged penetrates through the lower part of the movable clamp block, the other end of the workbench is fixed with the lower part of the fixed clamp block, the first screw rod is connected between the movable clamp block and the fixed clamp block, one end of the first screw rod is connected with the movable clamp block through a bearing, the other end of the first screw rod penetrates through the fixed clamp block, and the first screw rod penetrates through a threaded hole matched with the fixed clamp block;
the utility model discloses a lead screw clamping device, including movable clamp splice, fixed clamp splice, screw rod, locating clamp splice, the perpendicular lead screw direction level of a lead screw on the movable clamp splice is provided with the hole groove, be provided with the notch in hole groove on the relative one side of movable clamp splice and fixed clamp splice, the hole inslot is provided with the lead screw No. two, just No. two lead screws relative activity clamp splice rotations, No. two lead screws include two sections screw rod that screw thread opposite direction, and two the coaxial fixed connection of screw rod, two the screw rod all is provided with assorted nut with it, every all be fixed with the locating clamp splice on the nut, the locating clamp splice is the square body structure, two the locating clamp splice all is parallel with a lead screw, and two the locating.
The upper end of the movable clamping block is vertically provided with the jacking screw rod, the jacking screw rod is in threaded connection with the movable clamping block, and the lower end of the jacking screw rod can jack the middle of the second screw rod.
The positioning fixture for the numerical control milling machine further comprises a clamping disc, the clamping disc is located below the first screw rod, and the clamping disc is used for fixing the relative positions of the movable clamping block and the fixed clamping block. The fixed clamping block is arranged on the rotary seat of the clamping disc and can rotate around the axis of the rotary seat, when the fixed clamping block rotates to a required direction, the clamping handle is pulled to enable the clamping screw to be screwed tightly, and the fixed clamping block can be fastened under the action of the clamping disc.
And the second screw rod is connected with bearings at two ends of the hole groove.
The second screw rod is controlled to rotate by a rotating handle positioned outside the movable clamping block.
And a rotary handle is fixed at the end of the first screw rod.
The using method comprises the following steps: the machining method comprises the steps of placing a machined workpiece on a workbench, rotating a first lead screw, adjusting the clamping degree of a movable clamping block and a fixed clamping block, rotating a second lead screw, adjusting the clamping degree of a positioning clamping block, positioning the movable clamping block and the fixed clamping block by adopting a clamping disc, positioning the positioning clamping block by adopting a jacking screw rod, and machining the workpiece.
Compared with the prior art, the utility model following beneficial effect has.
The utility model discloses on the basis of fixed clamp splice and activity clamp splice, added the location clamp splice, under the cooperation of location clamp splice, fixed clamp splice and activity clamp splice, confirm the coordinate system on the numerically controlled fraise machine, need not carry out the tool setting again before processing different work pieces, save operating time has improved work efficiency.
Two, the utility model discloses to wait that the four sides of processing work piece carry out the centre gripping fixed, with the clamping-force equipartition at the four sides of processing work piece, reduce the clamping-force of fixed clamp splice and activity clamp splice, avoid pressing from both sides the wounded work piece, cause the work piece local deformation, improved the processingquality of product.
Three, the utility model discloses a No. two lead screws that two sections coaxial fixed connection of screw rod opposite direction's screw rod accomplished the regulation of two location clamp blocks for two location clamp blocks remove to opposite or relative direction simultaneously, and operating procedure is simple, easily realizes.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is the utility model discloses positioning fixture's for numerically controlled fraise machine plan view.
FIG. 2 is a sectional view of the A-A surface of the positioning fixture for the numerically controlled fraise machine.
FIG. 3 is a sectional view of the B-B surface of the positioning fixture for the numerically controlled fraise machine.
Fig. 4 is a right side view of the movable clamping block of the present invention.
In the figure: the device comprises a worktable 1, a movable clamping block 2, a positioning clamping block 3, a clamping disc 4, a fixed clamping block 5, a first screw rod 6, a second screw rod 7, a jacking screw rod 8, a notch 9 and a hole groove 10.
Detailed Description
The following is a further description with reference to specific examples.
A positioning jig for a numerically controlled milling machine, comprising: the fixture comprises a workbench 1, a movable clamping block 2, a positioning clamping block 3, a fixed clamping block 5, a first lead screw 6, a second lead screw 7, a hole groove 10 and a notch 9, wherein one end of the workbench 1 horizontally arranged penetrates through the lower part of the movable clamping block 2, the other end of the workbench 1 is fixed with the lower part of the fixed clamping block 5, the first lead screw 6 is connected between the movable clamping block 2 and the fixed clamping block 5, one end of the first lead screw 6 is connected with the movable clamping block 2 through a bearing, the other end of the first lead screw 6 penetrates through the fixed clamping block 5, and the first lead screw 6 penetrates through a threaded hole matched with the fixed clamping block 5;
the utility model discloses a lead screw 6 direction level is provided with hole groove 10 on the perpendicular lead screw 2, be provided with the notch 9 of hole groove 10 on the relative one side of activity clamp splice 2 and fixed clamp splice 5, be provided with lead screw 7 No. two in the hole groove 10, just No. two lead screw 7 can be relative activity clamp splice 2 rotations, No. two lead screws 7 include two sections screw rods that screw thread opposite direction, and two sections the coaxial fixed connection of screw rod, two sections the screw rod all is provided with assorted nut with it, every all be fixed with location clamp splice 3 on the nut, location clamp splice 3 is the square body structure, two location clamp splice 3 all is parallel with lead screw 6, and two location clamp splice 3 all runs through the notch 9 of hole groove 10.
The upper end of the movable clamping block 2 is vertically provided with the jacking screw rod 8, the jacking screw rod 8 is in threaded connection with the movable clamping block 2, and the lower end of the jacking screw rod 8 can jack the middle part of the second screw rod 7.
The positioning fixture for the numerical control milling machine further comprises a clamping disc 4, the clamping disc 4 is located below the first screw rod 6, and the clamping disc 4 is used for fixing the relative positions of the movable clamping block 2 and the fixed clamping block 5. The fixed clamping block is arranged on the rotary seat of the clamping disc and can rotate around the axis of the rotary seat, when the fixed clamping block rotates to a required direction, the clamping handle is pulled to enable the clamping screw to be screwed tightly, and the fixed clamping block can be fastened under the action of the clamping disc.
The second screw rod 7 is connected with bearings at two ends of the hole groove 10.
The second screw rod 7 is controlled to rotate by a rotating handle positioned outside the movable clamping block 2.
And a rotating handle is fixed at the end of the first screw rod 6.
The using method comprises the following steps: the machining method comprises the steps of placing a machined workpiece on a workbench, rotating a first lead screw, adjusting the clamping degree of a movable clamping block and a fixed clamping block, rotating a second lead screw, adjusting the clamping degree of a positioning clamping block, positioning the movable clamping block and the fixed clamping block by adopting a clamping disc, positioning the positioning clamping block by adopting a jacking screw rod, and machining the workpiece.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. The utility model provides a positioning fixture for numerically controlled fraise machine which characterized in that includes: the automatic positioning device comprises a workbench (1), a movable clamping block (2), a positioning clamping block (3), a fixed clamping block (5), a first screw rod (6), a second screw rod (7), a hole groove (10) and a notch (9), wherein one end of the workbench (1) horizontally penetrates through the lower part of the movable clamping block (2), the other end of the workbench (1) is fixed with the lower part of the fixed clamping block (5), the first screw rod (6) is connected between the movable clamping block (2) and the fixed clamping block (5), one end of the first screw rod (6) is connected with the movable clamping block (2) through a bearing, the other end of the first screw rod (6) penetrates through the fixed clamping block (5), and the first screw rod (6) penetrates through a threaded hole which is matched with the fixed clamping block (5);
perpendicular lead screw (6) direction level is provided with hole groove (10) on activity clamp splice (2), be provided with notch (9) of hole groove (10) on activity clamp splice (2) and the relative one side of fixed clamp splice (5), be provided with No. two lead screws (7) in hole groove (10), just No. two lead screws (7) relative activity clamp splice (2) rotation, No. two lead screws (7) include two sections screw rod that screw thread opposite direction, and two sections the coaxial fixed connection of screw rod, two sections the screw rod all is provided with assorted nut with it, every all be fixed with location clamp splice (3) on the nut, location clamp splice (3) are the square body structure, two location clamp splice (3) all are parallel with lead screw (6), and two location clamp splice (3) all run through notch (9) of hole groove (10).
2. The positioning fixture for the numerical control milling machine according to claim 1, characterized in that a tightening screw (8) is vertically arranged at the upper end of the movable clamping block (2), the tightening screw (8) is in threaded connection with the movable clamping block (2), and the lower end of the tightening screw (8) can tighten the middle of the second screw rod (7).
3. The positioning fixture for the numerically controlled milling machine according to claim 1 or 2, characterized in that the positioning fixture for the numerically controlled milling machine further comprises a clamping disc (4), the clamping disc (4) is located below the first screw rod (6), and the clamping disc (4) is used for fixing the relative positions of the movable clamping block (2) and the fixed clamping block (5).
4. A positioning jig for a numerically controlled milling machine according to claim 3, characterized in that the second lead screw (7) is bearing-connected to both ends of the hole groove (10).
5. A positioning fixture for a numerically controlled milling machine according to claim 4, characterized in that the second lead screw (7) is controlled to rotate by a rotating handle located outside the movable clamping block (2).
6. The positioning fixture for the numerical control milling machine according to claim 5, characterized in that a rotating handle is fixed at the end of the first screw rod (6).
Priority Applications (1)
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CN201920797370.0U CN210499277U (en) | 2019-05-30 | 2019-05-30 | Positioning fixture for numerically controlled milling machine |
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CN201920797370.0U CN210499277U (en) | 2019-05-30 | 2019-05-30 | Positioning fixture for numerically controlled milling machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112571102A (en) * | 2020-11-25 | 2021-03-30 | 江西张少装配式建筑有限公司 | Clamping device for machining steel structure |
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2019
- 2019-05-30 CN CN201920797370.0U patent/CN210499277U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112571102A (en) * | 2020-11-25 | 2021-03-30 | 江西张少装配式建筑有限公司 | Clamping device for machining steel structure |
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TR01 | Transfer of patent right |
Effective date of registration: 20230607 Address after: 132012 No. 9, Xining Road, Chuanying District, Jilin City, Jilin Province Patentee after: Jilin Jibiao Auto Parts Co.,Ltd. Address before: No. 9 Xining Road, Chuanying District, Jilin City, Jilin Province, 132000 Patentee before: JILIN FAW SIHUAN DAYOU AUTO PARTS Co.,Ltd. |
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TR01 | Transfer of patent right |