CN113001212A - Self-positioning clamping device for machining inclined plane of machine tool guide rail - Google Patents
Self-positioning clamping device for machining inclined plane of machine tool guide rail Download PDFInfo
- Publication number
- CN113001212A CN113001212A CN202110240377.4A CN202110240377A CN113001212A CN 113001212 A CN113001212 A CN 113001212A CN 202110240377 A CN202110240377 A CN 202110240377A CN 113001212 A CN113001212 A CN 113001212A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- groove
- positioning
- self
- machine tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention relates to the technical field of machining, in particular to a self-positioning clamping device for machining a machine tool guide rail inclined plane, which comprises two bases, wherein the bases are internally provided with positioning grooves with upward notches, the two bases are symmetrically arranged along the length direction of a workpiece, the bottoms of the positioning grooves are inclined planes which are inclined at acute angles with the horizontal plane, the inclined angles of the bottoms of the grooves and the horizontal plane are consistent with the inclined angle of the inclined plane of the machine tool guide rail to be machined, the groove edge adjacent to the lower side of the bottom of the groove is vertical to the bottom of the groove, the groove edge on the other side of the bottom of the groove is vertically arranged, the workpiece to be clamped is abutted against the bottom of the groove and the groove edge vertical to the bottom of the groove, a wedge-shaped locking block is arranged. The self-positioning clamping device can realize that the inclined guide rail is positioned and abutted against the positioning groove by the self-gravity of the guide rail after being placed in the positioning groove, and then the guide rail is locked by the locking block and the pressing plate, so that the self-positioning clamping of the inclined guide rail is realized.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a self-positioning clamping device for machining a machine tool guide rail inclined plane, which is matched with a machine part in machining.
Background
In the prior art, a slope guide rail of a hot die forging press is provided, and six slope guide rails with consistent bevel angles are required to be configured on each machine tool. Therefore, the requirement on the precision of the inclined plane processing of the inclined plane guide rail is high, and in order to ensure the precision consistency of six inclined plane guide rails, a clamping structure needs to be reasonably arranged during the mechanical processing of the guide rail so as to ensure the precision of the inclined plane guide rail processing. Therefore, whether the clamping structure is reasonable or not is a key factor for ensuring the machining size precision of the inclined guide rail.
Disclosure of Invention
Aiming at the requirements of precision and consistency of the inclined guide rail machining in the prior art, the invention provides the self-positioning clamping device for the inclined surface machining of the machine tool guide rail, so that the automatic and accurate positioning and clamping during the inclined guide rail machining are realized, and the complicated operation of repeated correction and adjustment is reduced.
The invention aims to realize that the self-positioning clamping device for machining the inclined plane of the machine tool guide rail comprises two bases which are positioned and installed with a machine tool workbench, wherein a positioning groove with an upward notch is arranged in each base, a workpiece is clamped in each positioning groove, the two bases are symmetrically arranged along the length direction of the workpiece, the bottom of each positioning groove is an inclined plane which inclines at an acute angle with the horizontal plane, the inclination angle of the bottom of each groove and the horizontal plane is consistent with the inclination angle of the inclined plane of the machine tool guide rail to be machined, the groove edge adjacent to the lower side of the bottom of each groove is vertical to the bottom of each groove, the groove edge on the other side of the bottom of each groove is vertically arranged, the workpiece to be clamped abuts against the bottom of each groove and the groove edge vertical to the bottom of each groove, a wedge-shaped locking block is arranged between the groove edge on the other.
The invention relates to a self-positioning clamping device for processing a guide rail inclined plane, which is used for positioning and mounting a base for clamping a workpiece on a machine tool workbench, and mounting the workpiece in an inclined manner according to the inclination of the inclined plane in order to meet the inclination requirement of the inclined plane to be processed of an inclined guide rail, so that the inclined plane to be processed is horizontal, and the inclination of the inclined plane is ensured to be accurate and consistent. When the guide rail is clamped in the positioning groove, the groove bottom of the positioning groove is inclined to the horizontal, the inclination angle of the groove bottom is consistent with the inclination of the inclined plane of the guide rail, the groove edge adjacent to the low side of the groove bottom is perpendicular to the groove bottom and is used for being positioned and abutted against two adjacent side walls of the inclined plane guide rail, when the inclined plane guide rail is supported and placed in the positioning groove of the base in the aligning direction, the bottom wall and the side walls of the inclined plane guide rail are abutted against the inner sides of the groove bottom and the groove edge which are perpendicular to each other under the action of self-gravity force, then the other side of the inclined plane guide rail is extruded through a locking block and then is fixed through a pressing plate to realize the. Therefore, the self-positioning clamping device can realize that the inclined guide rail is positioned and abutted against the positioning groove by the self-gravity of the guide rail after being placed in the positioning groove, and then the guide rail is locked by the locking block and the pressing plate, so that the self-positioning clamping of the inclined guide rail is realized, the consistency of inclined angles in the processing of a plurality of inclined guide rails is ensured, the clamping is convenient, the positioning is accurate, and the reliability is high.
In order to adjust the levelness of the pressing plate conveniently, cushion blocks are further arranged on the pressing plate on the outer side of the bolt and the upper surface of the base.
Furthermore, the length of the inclined plane corresponding to the groove bottom of the positioning groove is smaller than the width of the bottom surface of the workpiece to be clamped, and a horizontal bottom surface is further arranged on the upper side of the inclined plane.
In order to facilitate the fixed installation of the base, convex clamping keys are respectively arranged on the two outer sides of the bottom side of the base along the width direction of the positioning groove, a lower convex positioning key is arranged on the bottom side of the base, and a clamping structure matched with the base is correspondingly arranged on the machine tool workbench.
In order to ensure that the guide rail is abutted to the positioning groove in a laminating manner, a fillet notch is arranged at the right-angle position of the groove bottom of the positioning groove corresponding to the vertical groove edge.
Drawings
Fig. 1 is a schematic structural diagram of a self-positioning clamping device for the inclined surface machining of a machine tool guide rail.
Fig. 2 is a schematic view of a workpiece clamped state.
Wherein, 1, a base; 2, locking blocks; 3, pressing a plate; 4, bolts; 5, cushion blocks; 6, an inclined plane guide rail; 7, a round corner gap; 8, a positioning key; 9, the bottom of the groove; 10 keys.
Detailed Description
As shown in fig. 1 and 2, the self-positioning clamping device for processing the inclined plane of the machine tool guide rail of the invention comprises two bases 1 which are positioned and installed with a machine tool workbench, and a positioning clamping structure which is positioned and installed with the bases is arranged on the machine tool workbench; in order to facilitate the fixed installation of the base 1, two outer sides of the bottom side of the base 1 along the width direction of the positioning groove are respectively provided with a convex clamping key 10, the bottom side of the base 1 is provided with a downward convex positioning key 8, and a clamping structure matched with the base is correspondingly arranged on a machine tool workbench; be equipped with ascending constant head tank of notch in the base 1, be used for the clamping to treat the inclined plane guide rail 6 of processing in the constant head tank, two base 1 sets up along inclined plane guide rail 6's length direction symmetry, the tank bottom 9 of constant head tank is the inclined plane that is acute angle slope with the level, and the angle of tank bottom 9 and horizontal slope is unanimous with the inclined plane inclination of the inclined plane guide rail 6 of treating processing, the adjacent trough rim in one side lower with tank bottom 9 is perpendicular with the tank bottom, the vertical setting in trough rim of tank bottom opposite side, treat that the inclined plane guide rail work piece of clamping supports in tank bottom 9 and with tank bottom vertically trough rim side, be equipped with wedge-shaped latch segment 2 between the trough rim of opposite side and the work piece lateral wall, 2 upsides of latch segment are equipped.
In order to ensure the compression degree of the pressure plate 3 to the locking block, the pressure plate 3 outside the bolt 4 and the upper surface of the base 1 are also provided with a cushion block 5, and the locking block is tightly pressed and fixed by the pressure plate through the support of the cushion block 5.
In order to ensure that the inclined guide rail 6 is tightly attached to the two vertical contact surfaces, the length of the inclined surface corresponding to the groove bottom 9 of the positioning groove is smaller than the width of the bottom surface of the workpiece to be clamped, a horizontal bottom surface is further arranged on the upper side of the inclined surface, and in order to further ensure that the inclined guide rail 6 is attached to and abutted against the positioning groove, a fillet notch 7 is arranged at the right-angle position of the groove bottom 9 of the positioning groove corresponding to the vertical groove edge; this fillet breach 7 has ensured that two perpendicular lateral walls of guide rail and the lateral wall of constant head tank seamless laminating under the effect of guide rail gravity are supported to the angle on inclined plane after guaranteeing to process.
The self-positioning clamping device for processing the guide rail inclined plane is used for clamping an inclined plane guide rail workpiece to be processed, the inclined guide rail 6 is directly arranged in the positioning groove between the two positioning seats, the bottom wall and the side wall of the guide rail 6 are respectively abutted against the groove bottom and the groove edge of the positioning groove under the self-gravity action of the inclined groove bottom, then inserting the wedge-shaped locking block 2 between the other side of the secondary guide rail and the groove edge to ensure that the locking block 2 extrudes the inclined guide rail and the contact surface of the guide rail and the positioning groove is tightly attached, thereby ensuring the clamping angle of the inclined guide rail 6, finally locking the locking block 2 through the pressure plate 3 and the bolt 4 to complete the clamping of the inclined guide rail, then, the machining part on the upper side of the guide rail is machined according to the horizontal chip machining process, chips are machined to a set size, the processing of the inclined plane guide rail can be finished, and the inclined angle of the processed inclined plane and the horizontal inclined angle are consistent with the inclined angle of the groove bottom of the positioning groove. And after the assembly and disassembly, the clamping and the processing of the second piece and the third piece … … are repeated until the clamping and the processing of all the inclined guide rails with the same size are completed. In the self-positioning clamping device for processing the guide rail inclined plane, the angle of the processed inclined plane is matched with the structures of the locking block 2 and the pressing plate 5 through the positioning groove with a specific structure arranged on the base so as to lock the locking block; meanwhile, a cushion block is arranged on the other side of the pressing plate to raise the distance between the pressing plate and the upper surface of the positioning groove, so that the other side of the pressing plate can be enabled to be close to and firmly pressed with the locking pressing block; in the structure of the invention, the inclination angle of the groove bottom is the same as that of the inclined plane of the guide rail to be processed, so as to ensure that the clamping angle of the guide rail is consistent during each processing, thereby ensuring that the inclination angles of the inclined planes are consistent after processing. Moreover, the self-positioning clamping device can realize that the inclined guide rail is placed in the positioning groove, the guide rail is abutted against the positioning groove by the self-gravity of the guide rail, and then the guide rail is locked by the locking block and the pressing plate, so that the self-positioning clamping of the inclined guide rail and the positioning groove is realized, the consistency of inclined angle in the processing of a plurality of inclined guide rails is ensured, the clamping is convenient, the positioning is accurate, and the reliability is high.
Claims (5)
1. The utility model provides a from positioning clamping device for processing of lathe guide rail inclined plane, includes two bases of installing with lathe workstation location, be equipped with the ascending constant head tank of notch in the base, be used for the clamping work piece in the constant head tank, the length direction symmetry setting of work piece is followed to two bases, its characterized in that, the tank bottom of constant head tank is for being the inclined plane of acute angle slope with the level to the angle of tank bottom and horizontal slope is unanimous with the angle of inclination of the inclined plane of the lathe guide rail of treating processing, and is perpendicular with the tank bottom with the adjacent trough side in the lower one side of tank bottom, the vertical setting in trough side of tank bottom opposite side, the work piece of treating the clamping support in the tank bottom and with tank bottom vertically trough side, is equipped with wedge-shaped latch segment between the trough side of opposite side and the work piece lateral wall, the.
2. The self-positioning clamping device for the inclined surface machining of the guide rail of the machine tool as claimed in claim 1, wherein the pressure plate and the upper surface of the base outside the bolt are further provided with cushion blocks.
3. The self-positioning clamping device for the inclined surface machining of the guide rail of the machine tool as claimed in claim 1, wherein the length of the inclined surface corresponding to the groove bottom of the positioning groove is smaller than the width of the bottom surface of a workpiece to be clamped, and a horizontal bottom surface is further arranged on the upper side of the inclined surface.
4. The self-positioning clamping device for the inclined plane machining of the machine tool guide rail as claimed in claim 1, wherein the bottom side of the base is provided with a convex clamping key along the two outer sides of the width direction of the positioning groove, the bottom side of the base is provided with a convex positioning key, and the machine tool workbench is correspondingly provided with a clamping structure matched with the base.
5. The self-positioning clamping device for the inclined surface machining of the guide rail of the machine tool as claimed in claim 1, wherein a right-angled part of the groove bottom of the positioning groove corresponding to the vertical groove edge is provided with a round notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110240377.4A CN113001212A (en) | 2021-03-04 | 2021-03-04 | Self-positioning clamping device for machining inclined plane of machine tool guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110240377.4A CN113001212A (en) | 2021-03-04 | 2021-03-04 | Self-positioning clamping device for machining inclined plane of machine tool guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113001212A true CN113001212A (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110240377.4A Pending CN113001212A (en) | 2021-03-04 | 2021-03-04 | Self-positioning clamping device for machining inclined plane of machine tool guide rail |
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|---|---|
| CN (1) | CN113001212A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369940A (en) * | 2021-07-05 | 2021-09-10 | 航天精工股份有限公司 | Universal clamp for milling flat plate parts |
| CN114211271A (en) * | 2021-09-18 | 2022-03-22 | 中航西安飞机工业集团股份有限公司 | Clamping structure and clamping method for machining and positioning box-shaped part |
| CN115213716A (en) * | 2022-08-10 | 2022-10-21 | 遵义航天新力精密铸锻有限公司 | Processing frock of small-size high accuracy structure |
Citations (9)
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|---|---|---|---|---|
| US5226637A (en) * | 1991-03-26 | 1993-07-13 | Aioi Seiki, Inc. | Clamping device |
| CN201792233U (en) * | 2010-09-28 | 2011-04-13 | 湖南永安煤矿机械制造有限公司 | Device for machining telescopic arm guide rail of heading machine |
| CN203092158U (en) * | 2012-12-21 | 2013-07-31 | 安徽金义得机械有限公司 | Fixture for milling inclined surfaces of guide rail clips |
| CN103419032A (en) * | 2012-05-21 | 2013-12-04 | 昆山华辰重机有限公司 | Multifunctional universal supporting mechanism |
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| CN206614284U (en) * | 2017-04-06 | 2017-11-07 | 南京农业大学 | A kind of wedge clamping device |
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2021
- 2021-03-04 CN CN202110240377.4A patent/CN113001212A/en active Pending
Patent Citations (9)
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| US5226637A (en) * | 1991-03-26 | 1993-07-13 | Aioi Seiki, Inc. | Clamping device |
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| CN103419032A (en) * | 2012-05-21 | 2013-12-04 | 昆山华辰重机有限公司 | Multifunctional universal supporting mechanism |
| CN203092158U (en) * | 2012-12-21 | 2013-07-31 | 安徽金义得机械有限公司 | Fixture for milling inclined surfaces of guide rail clips |
| CN203956567U (en) * | 2014-05-26 | 2014-11-26 | 俞道 | A kind of guide rail chamfering facing cut processing tool |
| CN206614284U (en) * | 2017-04-06 | 2017-11-07 | 南京农业大学 | A kind of wedge clamping device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369940A (en) * | 2021-07-05 | 2021-09-10 | 航天精工股份有限公司 | Universal clamp for milling flat plate parts |
| CN113369940B (en) * | 2021-07-05 | 2022-08-30 | 航天精工股份有限公司 | Universal clamp for milling flat plate parts |
| CN114211271A (en) * | 2021-09-18 | 2022-03-22 | 中航西安飞机工业集团股份有限公司 | Clamping structure and clamping method for machining and positioning box-shaped part |
| CN115213716A (en) * | 2022-08-10 | 2022-10-21 | 遵义航天新力精密铸锻有限公司 | Processing frock of small-size high accuracy structure |
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Application publication date: 20210622 |