CN107553165B - Flexible positioning device of hole system combined clamp - Google Patents
Flexible positioning device of hole system combined clamp Download PDFInfo
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- CN107553165B CN107553165B CN201710876128.8A CN201710876128A CN107553165B CN 107553165 B CN107553165 B CN 107553165B CN 201710876128 A CN201710876128 A CN 201710876128A CN 107553165 B CN107553165 B CN 107553165B
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Abstract
The invention discloses a flexible positioning device of a hole combination clamp, which comprises a lower positioning plate and an upper positioning plate arranged on the lower positioning plate, wherein the upper positioning plate is provided with a positioning pin for positioning a workpiece, the upper positioning plate comprises a sliding hole with a preset length, the lower positioning plate is provided with a fastening threaded hole, a threaded piece matched with the fastening threaded hole is arranged in the sliding hole, and the upper positioning plate realizes position adjustment on the lower positioning plate through the sliding hole. By using the flexible positioning device provided by the invention, the fine adjustment of the upper positioning plate on the lower positioning plate is realized by arranging the sliding holes and the screw parts on the upper positioning plate, the structure is simple and convenient to carry out position adjustment, a large number of special positioning devices are reduced, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of mechanical clamps, in particular to a flexible positioning device of a hole system combined clamp.
Background
In the machining industry, in the development process of a product sample, a clamp is often required to be designed to position and clamp a workpiece so as to meet the machining requirement.
Due to the diversity of product development, the clamps for this are correspondingly complex and numerous. In order to save the cost of the clamp, a combined clamp is mostly adopted in the industry. At present, a combination clamp with a hole system structure is adopted. Because the hole pitch of the hole clamp is distributed according to the uniform row of 50 mm. Basically, each positioning pin block is arranged on one bolt hole, and the combined clamp is generally composed of a base plate, a positioning mechanism, a clamping mechanism and an auxiliary support. The foundation plate is provided with holes in equal rows and is provided with a hole combination clamp. The key groove is designed on the foundation plate and is a groove combined clamp. The positioning mechanism is assembled on the base plate and used for positioning the workpiece, and the general form is that the three supporting points form 1 plane, and the clamping mechanism clamps the workpiece after the workpiece is positioned, so that the workpiece is prevented from moving in the machining process.
In the prior art, a plurality of positioning mechanisms are required to be configured, and different positioning mechanisms are configured for different products. Because the adjacent hole distance of the hole system combined clamp on the plane is 50mm, the hole system combined clamp can be assembled and adjusted through the locating pin, only 50mm can be adjusted each time, then fine adjustment is carried out through the adjusting gasket, and the fine adjustment capacity of the adjusting gasket is only in a range of 2 mm. Thus, a complete set of positioning mechanisms must be prepared.
In summary, how to effectively solve the problems of low fine adjustment capability and high complexity of workpiece positioning adjustment of the positioning mechanism is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the present invention is directed to a flexible positioning device for a hole-system combined fixture, so as to solve the problems of low fine adjustment capability of a positioning mechanism and high complexity of positioning and adjusting a workpiece.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a flexible positioner of hole system sectional fixture, includes locating plate and locates the last locating plate on it, be equipped with the locating pin that is used for carrying out the location to the work piece on the locating plate, go up the locating plate including being equipped with the sliding hole of predetermineeing the length, be equipped with the fastening screw hole on the locating plate down, slide downthehole be equipped with fastening screw hole complex screw, go up the locating plate warp the sliding hole realizes the position adjustment on the locating plate down.
Preferably, the lower locating plate is provided with a plurality of first locating hole groups which are matched with and arranged in parallel with the locating holes on the base plate along the length direction, and the distance between the plurality of first locating hole groups is half of the center distance between the locating holes on the base plate.
Preferably, the sliding holes are arranged along the length direction of the upper positioning plate, and the preset length of the sliding holes is not smaller than the distance between the plurality of groups of first positioning hole groups, so that the maximum adjustment distance of the upper positioning plate is ensured to be equal to the distance between the plurality of groups of first positioning hole groups.
Preferably, a group of first limiting components which are oppositely arranged are arranged on the end wall of the length direction of the upper locating plate, the first limiting components comprise first supporting plates fixedly connected with the lower locating plate, and first bolts used for limiting movement of the length direction of the upper locating plate are connected to the preset height of the first supporting plates in a threaded mode.
Preferably, the end wall of the width direction of the upper positioning plate is provided with a second limiting assembly, the second limiting assembly comprises a second supporting plate fixedly connected with the lower positioning plate, the end wall of the upper positioning plate is provided with a first sliding groove arranged along the length direction, and the second supporting plate is fixedly provided with a sliding piece matched with the sliding groove.
Preferably, the sliding piece comprises a second bolt in threaded connection with the second supporting plate, and a sliding block is arranged at the end of the second bolt.
Preferably, the second supporting plate is fixedly provided with a second sliding piece, and the lower positioning plate is provided with a second sliding groove matched with the second sliding piece.
Preferably, a partition plate is respectively arranged between the first limiting component and the lower locating plate and between the second limiting component and the lower locating plate.
Preferably, the number of the fastening threaded holes is two.
Preferably, the sliding hole is a waist-shaped hole.
The invention provides a flexible positioning device of a hole combination clamp, which comprises a lower positioning plate and an upper positioning plate arranged on the lower positioning plate, wherein the upper positioning plate is provided with a positioning pin for positioning a workpiece, the upper positioning plate comprises a sliding hole with a preset length, the lower positioning plate is provided with a fastening threaded hole, a threaded piece matched with the fastening threaded hole is arranged in the sliding hole, and the upper positioning plate realizes position adjustment on the lower positioning plate through the sliding hole.
By using the flexible positioning device provided by the invention, the fine adjustment of the upper positioning plate on the lower positioning plate is realized by arranging the sliding holes and the screw parts on the upper positioning plate, the structure is simple and convenient to carry out position adjustment, a large number of special positioning devices are reduced, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a flexible positioning device of a hole-series combined clamp according to an embodiment of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic side view of the structure of FIG. 1;
fig. 4 is a schematic structural diagram of an upper positioning plate according to an embodiment of the present invention;
FIG. 5 is a schematic side view of the structure of FIG. 4;
FIG. 6 is a schematic diagram of a lower positioning plate according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a flexible positioning device and a mounting structure of a foundation plate according to an embodiment of the present invention.
The figures are marked as follows:
the device comprises a lower locating plate 1, a partition plate 2, a first supporting plate 3, bolts 4, a first bolt 5, an upper locating plate 6, diamond pins 7, threaded pieces 8, sliding holes 9, sliding pieces 10, second sliding pieces 11, a first sliding groove 12, a first locating hole group 13 and a base plate 14.
Detailed Description
The embodiment of the invention discloses a flexible positioning device of a hole system combined clamp, which aims to solve the problems of low fine adjustment capability of a positioning mechanism and high complexity of positioning and adjusting a workpiece.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a flexible positioning device of a hole-series combined fixture according to an embodiment of the invention; FIG. 2 is a schematic top view of FIG. 1; FIG. 3 is a schematic side view of the structure of FIG. 1; fig. 4 is a schematic structural diagram of an upper positioning plate according to an embodiment of the present invention; FIG. 5 is a schematic side view of the structure of FIG. 4; FIG. 6 is a schematic diagram of a lower positioning plate according to an embodiment of the present invention; fig. 7 is a schematic diagram of a flexible positioning device and a mounting structure of a foundation plate according to an embodiment of the present invention.
In a specific embodiment, the flexible positioning device of the hole combination clamp provided by the invention comprises a lower positioning plate 1 and an upper positioning plate 6 arranged on the lower positioning plate, wherein the upper positioning plate 6 and the lower positioning plate 1 are generally in detachable fixed connection, such as fixing through screws, bolts 4 or other threaded pieces 8, positioning pins for positioning a workpiece are arranged on the upper positioning plate 6, the positioning pins can be preferably diamond pins 7, corresponding upper positioning plates 6 are provided with threaded holes matched with the diamond pins 7, the upper positioning plate 6 comprises sliding holes 9 with preset lengths, fastening threaded holes are arranged on the lower positioning plate 1, threaded pieces 8 matched with the fastening threaded holes are arranged in the sliding holes 9, and the upper positioning plate 6 realizes position adjustment on the lower positioning plate 1 through the sliding holes 9. When screw 8 and fastening screw hole do not revolve the time, can slide last locating plate 6, after the position according to the work piece is predetermined, through revolve screw 8 of establishing in sliding hole 9 with last locating plate 6 and lower locating plate 1 fasten, realize the position adjustment, set up from this, reducible a large amount of special positioner, and the device simple structure is convenient for realize.
Specifically, the lower positioning plate 1 is provided with a plurality of first positioning hole groups 13 which are matched with and arranged in parallel with the positioning holes on the base plate 14 along the length direction, and the distance between the plurality of first positioning hole groups 13 is half of the center distance between the positioning holes on the base plate 14.
The first positioning hole group 13 may generally include two positioning holes that are oppositely disposed, the multiple groups of first positioning hole groups 13 are disposed in parallel in the length direction of the lower positioning plate 1, the number of the first positioning hole groups 13 may be set according to the length of the lower positioning plate 1 and the center distance of the positioning holes on the foundation plate 14, the positioning holes on the foundation plate include threaded holes and unthreaded holes, and the first positioning hole group may be used for mounting positioning pins to fix the foundation plate and mounting bolts to fix the foundation plate, so that the first positioning hole group may be automatically disposed according to actual needs in the actual mounting process, which is within the protection scope of the present invention. It is preferable to set the most number of first positioning hole groups 13 on the premise of meeting the length of the lower positioning plate 1, and as can be seen from the above, the distance of the first positioning hole groups 13 is half of the center distance of the positioning holes on the base plate 14, so as to ensure that the lower positioning plate 1 can adjust half of the spacing of the positioning holes of the base plate 14 along the length direction, if the spacing of the positioning holes on the base plate 14 is 50mm, the distance between the plurality of first positioning hole groups 13 is 25mm, and when the position of the positioning pin relative to the base plate 14 needs to be adjusted to be greater than 25mm, the whole flexible positioning device can be integrally moved and installed. In a specific embodiment, the lower locating plate 1 is provided with a hole with phi 16H6 with a row spacing of 25mm, the hole can be located with the base plate 14 by two phi 16H7 cylindrical pins, other holes can be fastened on the base plate 14 by bolts, and each time the lower locating plate 1 moves one hole of the base plate 14, the position of the hole moves by 25mm, and the upper locating plate 6 can also move steplessly by 25mm relative to the lower locating plate 1, so that the stepless random adjustment of the device within 50mm can be realized.
Further, the sliding holes 9 are arranged along the length direction of the upper positioning plate 6, and the preset length of the sliding holes 9 is not smaller than the distance between the plurality of groups of first positioning hole groups 13, so as to ensure that the maximum adjustment distance of the upper positioning plate 6 is equal to the distance between the plurality of groups of first positioning hole groups 13.
In the above embodiment, assuming that the center distance of the positioning holes of the base plate 14 is 50mm and the distance between the multiple first positioning hole groups 13 is 25mm, the preset length of the sliding hole 9 may be greater than 25mm, so as to ensure that the upper positioning plate 6 may be adjusted within the range of 0-25mm relative to the lower positioning plate 1, preferably, the preset length of the sliding hole 9 may be 26mm, and in other embodiments, may be set according to actual needs, which is within the scope of the present invention.
On the basis of the above embodiments, a set of first limiting components are disposed on the end wall of the upper locating plate 6 in the length direction, the first limiting components include a first supporting plate 3 fixedly connected with the lower locating plate 1, and a first bolt 5 for limiting movement of the upper locating plate 6 in the length direction is screwed on a preset height of the first supporting plate 3.
When fixing the upper locating plate 6 and the lower locating plate 1 through the sliding hole 9 and the screw 8, for better fastening the upper locating plate 6, first limiting components are respectively arranged on two end walls of the upper locating plate 6 in the length direction so as to limit the movement of the upper locating plate 6 in the length direction. The first limiting assembly comprises a first supporting plate 3, which is preferably in detachable fixed connection, the upper positioning plate 6 is fixed in the length direction through a first bolt 5, correspondingly, threads matched with the first bolt 5 are arranged on the first supporting plate 3, and of course, in other embodiments, screws can be arranged, the contact area between the screws and the upper positioning plate 6 is small, the fastening effect is poor when the force is applied, and the screws can be automatically arranged in the practical application and are all within the protection scope of the invention.
In one embodiment, the end wall of the upper locating plate 6 in the width direction is provided with a second limiting assembly, the second limiting assembly comprises a second supporting plate fixedly connected with the lower locating plate 1, the end wall of the upper locating plate 6 is provided with a first sliding groove 12 arranged along the length direction, and the second supporting plate is fixedly provided with a sliding piece 10 matched with the sliding groove. From this setting to carry out the spacing to the removal of width direction of last locating plate 6, when adjusting the position of last locating plate 6, go up locating plate 6 and fix for the removal of lower locating plate 1 in width direction, only need through slide hole 9 adjustment length direction can, first spout 12 link up the end wall of last locating plate 6, slider 10 that sets up in the second backup pad cooperates with first spout 12, when last locating plate 6 slides, the position of slider 10 is fixed, goes up locating plate 6 and slides along the spout, guarantees the location in its width direction. The slider 10 may be embodied as a slider or other slider 10, and may be configured as desired.
Specifically, the sliding member 10 includes a second bolt screwed with the second support plate, and a slider is provided at an end of the second bolt. The second bolt and the sliding block arranged at the end part of the bolt are matched with the sliding groove, the sliding groove is preferably a T-shaped groove, the specific forms of the sliding groove and the sliding block can be selected automatically, and the sliding groove and the sliding block are all in the protection scope of the invention.
Further, the second support plate is fixedly provided with a second sliding piece 1110, and the lower positioning plate 1 is provided with a second sliding groove matched with the second sliding piece 1110. In order to facilitate the arrangement, the fixing between the second support plate and the lower positioning plate 1 can be realized by the arrangement mode, and when the position of the sliding member 10 is adjusted according to the requirement, the position of the sliding member 10 on the lower positioning plate 1 can be adjusted by the position adjustment of the second sliding member 1110 and the second sliding groove. Of course, in other embodiments, this may be achieved by the engagement between the threaded hole and the screw 8, as long as it is ensured that the slide 10 is able to achieve the positioning of the upper positioning plate 6.
In one embodiment, a partition plate 2 is respectively arranged between the first limiting component and the second limiting component and the lower positioning plate 1. In order to ensure that the moving distance of the upper positioning plate 6 is matched with the moving distance of the upper positioning plate 6 during moving positioning, the positioning distance can be ensured by arranging the spacing plate 2, and the spacing plate 2 can be provided with threaded holes to realize fixation through the threaded pieces 8.
Further, the number of the fastening screw holes is two, so that the position between the upper positioning plate 6 and the lower positioning plate 1 is positioned, and the phenomenon of rotation or dislocation is prevented.
In one embodiment, the sliding hole 9 is a waist-shaped hole, which is convenient to set and can realize the sliding function, and in other embodiments, a proper sliding hole 9 can be selected as long as the same technical effect can be achieved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The flexible positioning device of the hole system combined clamp is characterized by comprising a lower positioning plate (1) and an upper positioning plate (6) arranged on the lower positioning plate, wherein the upper positioning plate (6) is provided with a positioning pin for positioning a workpiece, the upper positioning plate (6) comprises a sliding hole (9) with a preset length, the lower positioning plate (1) is provided with a fastening threaded hole, a threaded piece (8) matched with the fastening threaded hole is arranged in the sliding hole (9), and the upper positioning plate (6) realizes position adjustment on the lower positioning plate (1) through the sliding hole (9);
the end wall of the length direction of the upper locating plate (6) is provided with a group of first limiting components which are oppositely arranged, the first limiting components comprise first supporting plates (3) fixedly connected with the lower locating plate (1), and first bolts (5) used for limiting movement of the upper locating plate (6) in the length direction are connected to preset heights of the first supporting plates (3) in a threaded mode.
2. The flexible positioning device of the hole system combined clamp according to claim 1, wherein the lower positioning plate (1) is provided with a plurality of first positioning hole groups (13) which are matched with and arranged in parallel with the positioning holes on the base plate (14) along the length direction, and the distances between the plurality of first positioning hole groups (13) are half of the center distances between the positioning holes on the base plate (14).
3. The flexible positioning device of the hole system combined clamp according to claim 2, wherein the sliding holes (9) are arranged along the length direction of the upper positioning plate (6), and the preset length of the sliding holes (9) is not smaller than the distances among a plurality of groups of first positioning hole groups (13) so as to ensure that the maximum adjustment distance of the upper positioning plate (6) is equal to the distance among a plurality of groups of first positioning hole groups (13).
4. The flexible positioning device of the hole system combined clamp according to claim 1, wherein a second limiting assembly is arranged on the end wall of the upper positioning plate (6) in the width direction, the second limiting assembly comprises a second supporting plate fixedly connected with the lower positioning plate (1), a first sliding groove (12) arranged along the length direction is arranged on the end wall of the upper positioning plate (6), and a sliding piece (10) matched with the sliding groove is fixedly arranged on the second supporting plate.
5. The flexible positioning device of a hole-train combined clamp according to claim 4, characterized in that the sliding piece (10) comprises a second bolt in threaded connection with the second support plate, the end of the second bolt being provided with a sliding block.
6. The flexible positioning device of the hole system combined clamp according to claim 5, wherein the second supporting plate is fixedly provided with a second sliding piece (11), and the lower positioning plate (1) is provided with a second sliding groove matched with the second sliding piece (11).
7. The flexible positioning device of the hole system combined clamp according to claim 6, wherein a spacing plate (2) is respectively arranged between the first spacing component and the second spacing component and between the lower positioning plate (1).
8. The flexible positioning device of the hole-based composite clamp according to claim 7, wherein the number of the fastening screw holes is two.
9. A flexible positioning device for a hole-based combined clamp according to claim 1, characterized in that the sliding hole (9) is a kidney-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876128.8A CN107553165B (en) | 2017-09-25 | 2017-09-25 | Flexible positioning device of hole system combined clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876128.8A CN107553165B (en) | 2017-09-25 | 2017-09-25 | Flexible positioning device of hole system combined clamp |
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| CN107553165A CN107553165A (en) | 2018-01-09 |
| CN107553165B true CN107553165B (en) | 2024-03-08 |
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| CN201710876128.8A Active CN107553165B (en) | 2017-09-25 | 2017-09-25 | Flexible positioning device of hole system combined clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109648257B (en) * | 2018-11-30 | 2020-12-25 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Processing method of through hole of angular combination device |
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| CN101462258A (en) * | 2009-01-09 | 2009-06-24 | 马永涛 | Flexible combined fixture |
| CN204604162U (en) * | 2015-04-13 | 2015-09-02 | 深圳三思纵横科技股份有限公司 | A kind of localization tool for simply supported beam test |
| CN205074791U (en) * | 2015-08-17 | 2016-03-09 | 深圳市银宝山新科技股份有限公司 | Die casting CNC machine tooling universal fixturing |
| JP5943499B1 (en) * | 2016-01-13 | 2016-07-05 | スターテクノ株式会社 | Work support device |
| KR101646618B1 (en) * | 2016-05-27 | 2016-08-08 | 홍순명 | Machine tool vise for machining area expansion |
| CN205614247U (en) * | 2016-04-25 | 2016-10-05 | 广州汽车集团股份有限公司 | Frock is manufactured experimently to automobile body down |
| CN207358619U (en) * | 2017-09-25 | 2018-05-15 | 安徽华菱汽车有限公司 | A kind of flexible positioning device of dowel-pin modular fixture |
-
2017
- 2017-09-25 CN CN201710876128.8A patent/CN107553165B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462258A (en) * | 2009-01-09 | 2009-06-24 | 马永涛 | Flexible combined fixture |
| CN204604162U (en) * | 2015-04-13 | 2015-09-02 | 深圳三思纵横科技股份有限公司 | A kind of localization tool for simply supported beam test |
| CN205074791U (en) * | 2015-08-17 | 2016-03-09 | 深圳市银宝山新科技股份有限公司 | Die casting CNC machine tooling universal fixturing |
| JP5943499B1 (en) * | 2016-01-13 | 2016-07-05 | スターテクノ株式会社 | Work support device |
| CN205614247U (en) * | 2016-04-25 | 2016-10-05 | 广州汽车集团股份有限公司 | Frock is manufactured experimently to automobile body down |
| KR101646618B1 (en) * | 2016-05-27 | 2016-08-08 | 홍순명 | Machine tool vise for machining area expansion |
| CN207358619U (en) * | 2017-09-25 | 2018-05-15 | 安徽华菱汽车有限公司 | A kind of flexible positioning device of dowel-pin modular fixture |
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