CN110434775B - Double-workpiece hollow concentric correction device - Google Patents
Double-workpiece hollow concentric correction device Download PDFInfo
- Publication number
- CN110434775B CN110434775B CN201910678907.6A CN201910678907A CN110434775B CN 110434775 B CN110434775 B CN 110434775B CN 201910678907 A CN201910678907 A CN 201910678907A CN 110434775 B CN110434775 B CN 110434775B
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- Prior art keywords
- correction
- positioning
- double
- placing table
- workpieces
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- 238000012937 correction Methods 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005056 compaction Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a double-workpiece hollow concentric correction device, which comprises a placing table, wherein a positioning mechanism for preventing a lower-layer workpiece from translating is arranged on the placing table, the positioning mechanism comprises at least two pairs of positioning pins, and in a positioning state, one positioning pin in each pair protrudes out of the upper surface of the placing table; one side of the placing table is provided with a correction mechanism, the correction mechanism is provided with correction pins with the cross section shape and the area consistent with those of holes on the upper and lower double workpieces, and the correction pins penetrate through corresponding holes on the upper and lower double workpieces under the drive of the driving mechanism. The invention has exquisite structure, and the corresponding through holes on the upper and lower stacked workpieces are penetrated through by the correction pins, and then the workpieces are pressed, so that the gap between the workpieces is eliminated, the purpose of correcting the upper and lower holes is achieved, and the subsequent rapid insertion of screws for fixedly connection is facilitated. The positioning pin can be quickly adapted to different types of workpieces by the aid of the positioning cylinder capable of sliding, and universality of equipment is improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a double-workpiece hollow concentric correction device.
Background
In the field of machining, the connection and fixation between different workpieces is generally achieved by arranging screws or screw-like workpieces. If screw-shaped workpieces are required to be additionally arranged, corresponding hole grooves are required to be respectively arranged on the two workpieces, and the positions of the hole grooves on the two workpieces are required to be ensured to correspond, so that the screws can penetrate through the two workpieces to connect the two workpieces.
The existing workpiece processing is unavoidable in position or shape errors, so that holes and grooves on two workpieces cannot be in one-to-one correspondence, screws cannot be inserted, and the two workpieces cannot be connected and fixed. Therefore, before the screws are added, the holes and grooves on the workpieces are corrected in advance, so that the upper and lower parts are coaxial and concentric, the screws are convenient to insert, and the two workpieces are fixedly connected. Therefore, how to ensure the one-to-one correspondence of the holes and grooves between different workpieces is an urgent problem to be solved at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a double-workpiece hollow concentric correction device.
The aim of the invention is achieved by the following technical scheme:
the double-workpiece hollow concentric correction device comprises a placing table, wherein a positioning mechanism for preventing a lower-layer workpiece from translating is arranged on the placing table, the positioning mechanism comprises at least two pairs of positioning pins, and in a positioning state, one positioning pin in each pair is only protruded out of the upper surface of the placing table; one side of the placing table is provided with a correction mechanism, the correction mechanism is provided with correction pins with the cross section shape and the area consistent with those of holes on the upper and lower double workpieces, and the correction pins penetrate through corresponding holes on the upper and lower double workpieces under the drive of the driving mechanism.
Preferably, a sliding block is arranged at the bottom of the positioning pin, two protruding blocks with slopes are arranged on the sliding block in parallel, and the highest ends of the two protruding blocks are not positioned at the same end; the sliding block is connected with a positioning air cylinder, and the positioning air cylinder drives the sliding block to move back and forth, so that the positioning pin moves synchronously on the convex block, and the height of the top end of the positioning pin relative to the upper surface of the placing table is changed.
Preferably, the tips of the locating pins have different shapes to accommodate different types of the holes.
Preferably, the placing table is provided with a through hole matched with the positioning pin, and the positioning pin is vertically arranged in the through hole and can slide up and down in the through hole.
Preferably, the placing table is also provided with a groove matched with the bottom of the lower-layer workpiece.
Preferably, a liftable compression block is arranged above the placing table, and the compression block compresses upper and lower double workpieces on the placing table.
Preferably, the compaction block is connected with a rotatable connecting rod, and the connecting rod is connected with a lifting cylinder for driving the compaction block to lift up and down.
Preferably, the driving mechanism is a correction cylinder, the correction cylinder is disposed above the correction table, and a cylinder head of the correction cylinder abuts against the correction table to drive the correction pin.
Preferably, the correction mechanism is further provided with a correction table, the correction table is slidably arranged on the sliding rod through a sliding block, and the correction pin is vertically fixed at the front end of the correction table.
Preferably, a sliding cylinder is fixedly arranged below the sliding rod and arranged on the sliding table, and the sliding cylinder pushes the correction mechanism to move forwards.
The beneficial effects of the invention are mainly as follows:
1. the structure is exquisite, through the corresponding through holes on the upper and lower stacked workpieces of the correction pin, the workpiece is pressed again, the gap between the workpieces is eliminated, the purpose of correcting the upper and lower holes is achieved, and the subsequent quick insertion of screws for fixedly connection is facilitated;
2. the slidable positioning cylinder enables the distance between the positioning pins to be changed, so that the workpiece positioning device can be rapidly adapted to workpieces of different types, and the universality of the device is improved.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
fig. 1: schematic diagrams of embodiments of the present invention;
fig. 2: the embodiment of the invention omits the schematic diagram after the placement table 1.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present invention, and structural, methodological, or functional modifications of the invention from those skilled in the art are included within the scope of the invention.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
As shown in fig. 1 to 2, the present invention discloses a dual-workpiece hollow concentric correction device, which comprises a placement table 1, wherein a positioning mechanism 3 for preventing a lower workpiece from translating is arranged on the placement table 1, the positioning mechanism 3 comprises at least two pairs of positioning pins 301, and in a positioning state, only one of the positioning pins 301 protrudes out of the upper surface of the placement table 1; one side of the placing table 1 is provided with a correction mechanism 4, the correction mechanism 4 is provided with a correction pin 401 with the same cross-sectional shape and area as those of the holes on the upper and lower double workpieces, and the correction pin 401 penetrates through the corresponding holes on the upper and lower double workpieces under the drive of the drive mechanism.
As shown in fig. 2, a slider 302 is disposed at the bottom of the positioning pin 301, two protrusions 303 with slopes are disposed on the slider 302 in parallel, and the highest ends of the two protrusions 303 are not at the same end; the sliding block 302 is connected with a positioning cylinder 304, and the positioning cylinder 304 drives the sliding block 302 to move back and forth, so that the positioning pin 301 moves synchronously on the protruding block 303. The structure arrangement can ensure that in the process that the positioning air cylinder 304 pushes the sliding block 302 to move forwards and backwards, only one positioning pin 301 of each pair always protrudes out of the upper surface of the placing table 1 so as to be clamped with the bottom of the lower-layer workpiece. The two positioning mechanisms 3 in the invention can synchronously push the sliding blocks 302 to move together, and can also respectively push the sliding blocks 302 to move, so that the spacing between the positioning pins 301 is not unique, and the positioning mechanism is suitable for lower-layer workpieces with different bottom positioning hole positions, thereby improving the universality of the device. In addition, the tips of the two pairs of positioning pins 301 in the present invention may have a uniform shape, or may have different shapes to adapt to different types of holes, and the specific shape is set according to the hole slot at the bottom of the actual workpiece.
As shown in fig. 1, the placement table 1 is further provided with a through hole 101 matching with the positioning pin 301, and the positioning pin 301 is vertically disposed inside the through hole 101 and can slide up and down inside the through hole 101 under the pushing of the positioning cylinder 304.
In addition, the placing table 1 is further provided with a groove 102 matched with the bottom of the lower-layer workpiece, so that the lower-layer workpiece can be placed quickly, and the stability of the lower-layer workpiece placed on the placing table 1 can be further improved.
In order to compress two workpieces stacked up and down, horizontal translation is avoided, a liftable compressing block 2 is arranged above the placing table 1, and the compressing block 2 compresses upper and lower double workpieces on the placing table 1. Specifically, as shown in fig. 1, the pressing block 2 is connected with a rotatable connecting rod 201, and the connecting rod 201 is connected with a lifting cylinder 202 for driving the connecting rod to lift up and down. The working principle is as follows: the lifting cylinder 202 drives the connecting rod 201 to ascend, the connecting rod 201 rotates to one side to avoid obstructing the placement of the workpiece, after the workpiece is placed on the placement table 1, the pressing block 2 is rotated to the upper side of the workpiece, and the lifting cylinder 202 drives the pressing block 2 to press down so as to press the workpiece.
As shown in fig. 1, the correction mechanism 4 has a correction table 402, the correction table 402 is slidably disposed on a slide bar 404 through a slider 403, and the correction pin 401 is vertically fixed to the front end of the correction table 402. A correction cylinder 405 is disposed above the correction table 402, a cylinder head 406 of the correction cylinder 405 abuts against the correction table 402, and the correction cylinder 405 drives the cylinder head 406 downward to press the correction table 402, so that a correction pin 401 on the correction table 402 penetrates through holes of the upper workpiece and the lower workpiece.
In order to facilitate adjustment and adapt to workpieces with different sizes, a sliding cylinder 407 is fixedly arranged below the sliding rod 404, the sliding cylinder 407 is arranged on the sliding table 408, and the sliding cylinder 407 pushes the correction mechanism 4 to move forwards so as to adjust the relative position between the correction mechanism 4 and the workpiece.
The invention has exquisite structure, and the corresponding through holes on the upper and lower stacked workpieces are penetrated through by the correction pins, and then the workpieces are pressed, so that the gap between the workpieces is eliminated, the purpose of correcting the upper and lower holes is achieved, and the subsequent rapid insertion of screws for fixedly connection is facilitated.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. Double-workpiece hollow concentric correction device, its characterized in that: the positioning device comprises a placing table (1), wherein a positioning mechanism (3) for preventing a lower layer workpiece from translating is arranged on the placing table (1), the positioning mechanism (3) comprises at least two pairs of positioning pins (301), and in a positioning state, one positioning pin (301) in each pair protrudes out of the upper surface of the placing table (1); a correction mechanism (4) is arranged on one side of the placing table (1), correction pins (401) with the cross-sectional shapes and the areas consistent with those of holes on the upper and lower double workpieces are arranged on the correction mechanism (4), and the correction pins (401) penetrate through the corresponding holes on the upper and lower double workpieces under the driving of a driving mechanism; a sliding block (302) is arranged at the bottom of the positioning pin (301), two protruding blocks (303) with slopes are arranged on the sliding block (302) in parallel, and the highest ends of the two protruding blocks (303) are not positioned at the same end; the sliding block (302) is connected with a positioning air cylinder (304), and the positioning air cylinder (304) drives the sliding block (302) to move back and forth, so that the positioning pin (301) synchronously moves on the convex block (303) to change the height of the top end of the positioning pin (301) relative to the upper surface of the placing table (1); the lifting compaction block (2) is arranged above the placing table (1), and the compaction block (2) compacts upper and lower double workpieces on the placing table (1).
2. The double-workpiece hollow concentric correction apparatus of claim 1, wherein: the tips of the locating pins (301) have different shapes to accommodate different types of the holes.
3. The double-workpiece hollow concentric correction apparatus of claim 1, wherein: the positioning device is characterized in that a through hole (101) matched with the positioning pin (301) is formed in the placing table (1), and the positioning pin (301) is vertically arranged inside the through hole (101) and can slide up and down inside the through hole (101).
4. A double-workpiece hollow concentric correction as claimed in claim 3, wherein: the placing table (1) is also provided with a groove (102) matched with the bottom of the lower-layer workpiece.
5. The double-workpiece hollow concentric correction apparatus of claim 1, wherein: the compressing block (2) is connected with a rotatable connecting rod (201), and the connecting rod (201) is connected with a lifting cylinder (202) for driving the compressing block to lift up and down.
6. The double-workpiece hollow concentric correction apparatus of claim 1, wherein: the correction mechanism (4) is further provided with a correction table (402), the correction table (402) is slidably arranged on the sliding rod (404) through a sliding block, and the correction pin (401) is vertically fixed at the front end of the correction table (402).
7. The double-workpiece hollow concentric correction of claim 6, wherein: the driving mechanism is a correction cylinder (405), the correction cylinder (405) is arranged above the correction table (402), and a cylinder head (406) of the correction cylinder (405) is abutted with the correction table (402) so as to drive the correction pin (401).
8. The double-workpiece hollow concentric correction of claim 7, wherein: a sliding cylinder (407) is fixedly arranged below the sliding rod (404), the sliding cylinder (407) is arranged on the sliding table (408), and the sliding cylinder (407) pushes the correction mechanism (4) to move forwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678907.6A CN110434775B (en) | 2019-07-22 | 2019-07-22 | Double-workpiece hollow concentric correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678907.6A CN110434775B (en) | 2019-07-22 | 2019-07-22 | Double-workpiece hollow concentric correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110434775A CN110434775A (en) | 2019-11-12 |
| CN110434775B true CN110434775B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910678907.6A Active CN110434775B (en) | 2019-07-22 | 2019-07-22 | Double-workpiece hollow concentric correction device |
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| Country | Link |
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| CN (1) | CN110434775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246011B (en) * | 2021-04-19 | 2023-04-07 | 常熟琴工五金机械工具有限公司 | Saw bit hole honing frock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120006919U (en) * | 2011-03-29 | 2012-10-10 | 지엠티 글로벌 아이엔씨 | high loading alignment of amendment moving platform system |
| CN104493396A (en) * | 2013-12-31 | 2015-04-08 | 上海奥林汽车配件有限公司 | Positioning clamp for positioning resistance welding automobile ABS support |
| KR101586623B1 (en) * | 2015-06-09 | 2016-01-20 | 주식회사 톱텍 | Apparutus for aligning stage for bonding pannel in vacuum chamber |
| CN107855758A (en) * | 2017-12-15 | 2018-03-30 | 宁波太平洋电控系统有限公司 | Straight pin magnetic location automatic press machine structure and method |
| CN210790632U (en) * | 2019-07-22 | 2020-06-19 | 苏州江锦自动化科技有限公司 | Double-workpiece hollow concentric correction device |
-
2019
- 2019-07-22 CN CN201910678907.6A patent/CN110434775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120006919U (en) * | 2011-03-29 | 2012-10-10 | 지엠티 글로벌 아이엔씨 | high loading alignment of amendment moving platform system |
| CN104493396A (en) * | 2013-12-31 | 2015-04-08 | 上海奥林汽车配件有限公司 | Positioning clamp for positioning resistance welding automobile ABS support |
| KR101586623B1 (en) * | 2015-06-09 | 2016-01-20 | 주식회사 톱텍 | Apparutus for aligning stage for bonding pannel in vacuum chamber |
| CN107855758A (en) * | 2017-12-15 | 2018-03-30 | 宁波太平洋电控系统有限公司 | Straight pin magnetic location automatic press machine structure and method |
| CN210790632U (en) * | 2019-07-22 | 2020-06-19 | 苏州江锦自动化科技有限公司 | Double-workpiece hollow concentric correction device |
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| CN110434775A (en) | 2019-11-12 |
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