CN210255156U - Efficient centering and positioning mechanism for workpiece - Google Patents
Efficient centering and positioning mechanism for workpiece Download PDFInfo
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- CN210255156U CN210255156U CN201921149179.1U CN201921149179U CN210255156U CN 210255156 U CN210255156 U CN 210255156U CN 201921149179 U CN201921149179 U CN 201921149179U CN 210255156 U CN210255156 U CN 210255156U
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Abstract
The utility model discloses a high-efficiency centering positioning mechanism of a workpiece, which comprises a positioning mounting disc, a first centering lug and a second centering lug which are positioned and mounted on the mounting disc, wherein the lower end parts of the first centering lug and the second centering lug are respectively provided with the first centering lug and the second centering lug, meanwhile, the upper ends of the first pair of middle columns and the second pair of middle columns are respectively provided with a first gear and a second gear, an intermediate gear rack which is simultaneously arranged on the mounting disc is arranged between the first gear and the second gear, both sides of the intermediate gear rack are respectively provided with a left gear and a right gear, the left gear is meshed with the first gear, the right gear is meshed with the second gear, and the intermediate gear rack is fixedly connected with a driving mechanism, under the driving of the driving mechanism, the middle gear strip displaces in the front-back direction, the first centering lug and the second centering lug are correspondingly matched, and the state switching is carried out between the centering positioning of the workpiece and the workpiece loosening; the utility model discloses simple structure, convenient operation realizes the high-efficient centering location of work piece.
Description
Technical Field
The utility model belongs to a work piece is positioning fixture for machining center, concretely relates to high-efficient centering positioning mechanism of work piece, especially be fit for being applied to the centering location of freezing for the slicer structure.
Background
The structural member for the cryomicrotome often needs to be centered and positioned on a machining center so as to meet the high-precision machining requirement. However, the centering fixture adopted by the existing machining center is complex in structure and inconvenient to operate, but the stability of the centering fixture with a simple structure cannot be ensured, and the potential safety hazard caused by the fact that the fixture is loosened, the workpiece flies out exists.
The applicant therefore wishes to seek technical solutions that improve on the above technical problem.
Disclosure of Invention
In view of this, the utility model aims at providing a high-efficient centering positioning mechanism of work piece, simple structure, convenient operation realizes the high-efficient centering location of work piece.
The utility model adopts the technical scheme as follows:
a high-efficiency centering and positioning mechanism for workpieces comprises a positioning and mounting disc, a first pair of middle columns and a second pair of middle columns which are positioned and mounted on the mounting disc, wherein the lower end parts of the first pair of middle columns and the second pair of middle columns are respectively provided with a first centering lug and a second centering lug, the upper end parts of the first pair of middle columns and the second pair of middle columns are respectively provided with a first gear and a second gear, an intermediate gear strip which is simultaneously mounted on the mounting disc is arranged between the first gear and the second gear, the two sides of the intermediate gear strip are respectively provided with a left gear and a right gear, the left gear is meshed with the first gear, the right gear is meshed with the second gear, the intermediate gear strip is fixedly connected with a driving mechanism, the intermediate gear strip is driven by the driving mechanism to displace in the front and back directions, and the first centering lugs are correspondingly matched with the second centering lugs, the state is switched between centering and positioning the workpiece and releasing the workpiece.
Preferably, the driving mechanism adopts an electric motor or a hydraulic mechanism.
Preferably, the left side and the right side of the positioning installation disc are provided with reinforcing bosses.
Preferably, the first pair of center pillars with the second pair of center pillars is the symmetric distribution, the first pair of center pillars with the first pair of middle lugs adopts integrated into one piece, the first pair of center pillars with first gear adopts fastener fastening connection.
Preferably, the work piece is equipped with first recess and second recess, first recess can with first a pair of middle lug corresponds the joint, the second recess can with the second corresponds the joint to middle lug.
Preferably, the workpiece is a plate-type workpiece.
Preferably, the workpiece is a structural member for a cryo-microtome.
The utility model provides a by the middle gear strip meshing drive first pair of center pillar and the second pair of center pillar in the middle of being located, first pair of center pillar and second pair of center pillar carry out the rotation simultaneously on the location mounting disc, and then it is rotatory to drive first centering lug and second pair middle lug, first centering lug and second pair middle lug correspond the cooperation, when first centering lug and second pair middle lug become on same axis and direct relative distribution in the front and back direction, the work piece is located and is in the centering locating state between first pair middle lug and the second pair middle lug, when first centering lug and second pair middle lug no longer become on same axis or back of the body distribution in the front and back direction, the work piece is in the state of unclamping, through the drive of middle gear strip direction, can realize the location to the work piece or unclamping high-efficiently, moreover the utility model discloses simple structure, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency centering and positioning mechanism 100 for a workpiece according to an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
The embodiment of the utility model discloses a high-efficiency centering and positioning mechanism for workpieces, which comprises a positioning and mounting disk, a first centering lug and a second centering lug which are positioned and mounted on the positioning and mounting disk, wherein the lower end parts of the first centering lug and the second centering lug are respectively provided with the first centering lug and the second centering lug, meanwhile, the upper ends of the first pair of middle columns and the second pair of middle columns are respectively provided with a first gear and a second gear, an intermediate gear rack which is simultaneously arranged on the positioning and mounting disc is arranged between the first gear and the second gear, both sides of the intermediate gear rack are respectively provided with a left gear and a right gear, the left gear is meshed with the first gear, the right gear is meshed with the second gear, and the intermediate gear rack is fixedly connected with a driving mechanism, under the drive of the driving mechanism, the intermediate gear strip is displaced in the front-back direction, the first centering lug and the second centering lug are correspondingly matched, and the state is switched between centering and positioning the workpiece and loosening the workpiece.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an efficient centering and positioning mechanism 100 for a workpiece includes a positioning and mounting plate 110, a first pair of center posts 120 and a second pair of center posts 130 positioned and mounted on the positioning and mounting plate 110, a first pair of middle lugs 121 and a second pair of middle lugs 131 respectively disposed at lower ends of the first pair of center posts 120 and the second pair of center posts 130, a first gear 122 and a second gear 132 respectively disposed at upper ends of the first pair of center posts 120 and the second pair of center posts 130, an intermediate gear bar 140 simultaneously mounted on the mounting plate 110 disposed between the first gear 122 and the second gear 132, a left gear 141 and a right gear 142 respectively disposed at two sides of the intermediate gear bar 140, the left gear 141 engaged with the first gear 122, the right gear 142 engaged with the second gear 132, and the intermediate gear bar 140 fixedly connected to a driving mechanism, preferably, in the present embodiment, the driving mechanism employs a motor 150, in other embodiments, the driving mechanism can also adopt a hydraulic mechanism;
in the present embodiment, the intermediate gear rack 140 is displaced in the front-rear direction by the driving of the motor 150, and the first pair of middle lugs 121 and the second pair of middle lugs 131 are correspondingly engaged, so that the state is switched between centering and positioning a workpiece (not shown) and releasing the workpiece; preferably, in this embodiment, the workpiece is a structural member for a cryo-microtome, the workpiece is provided with a first groove and a second groove, the first groove can be correspondingly clamped with the first pair of middle lugs 121, and the second groove can be correspondingly clamped with the second pair of middle lugs 131, although in other embodiments, other workpieces can be adopted, which is not particularly limited in this embodiment;
preferably, in the present embodiment, the reinforcing bosses 111 are provided on the left and right sides of the positioning and mounting plate 110;
preferably, in the present embodiment, the first pair of center pillars 120 and the second pair of center pillars 130 are symmetrically distributed, the first pair of center pillars 120 and the first pair of middle lugs 121 are integrally formed, and the first pair of center pillars 120 and the first gear 122 are fastened by a fastening member.
The present embodiment proposes that the middle gear bar 140 located in the middle drives the first pair of middle posts 120 and the second pair of middle posts 130 in a meshing manner, the first pair of middle posts 120 and the second pair of middle posts 130 rotate on the positioning mounting plate 110 at the same time, and further drives the first pair of middle lugs 121 and the second pair of middle lugs 132 to rotate, the first pair of middle lugs 121 and the second pair of middle lugs 131 are correspondingly matched, when the first pair of middle lugs 121 and the second pair of middle lugs 131 are on the same axis in the front-back direction and are directly distributed oppositely, the workpiece is located between the first pair of middle lugs 121 and the second pair of middle lugs 131 in a centering and positioning state, when the first pair of middle lugs 121 and the second pair of middle lugs 131 are no longer on the same axis in the front-back direction or are distributed oppositely, the workpiece is in a loosening state, and the driving of the middle gear bar 140 in the front-back direction can efficiently realize the positioning or the loosening of the workpiece, and the present embodiment has, the operation is convenient.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A high-efficiency centering and positioning mechanism for workpieces is characterized by comprising a positioning and mounting disc, a first pair of middle columns and a second pair of middle columns which are positioned and mounted on the mounting disc, wherein the lower ends of the first pair of middle columns and the second pair of middle columns are respectively provided with a first centering lug and a second centering lug, the upper ends of the first pair of middle columns and the second pair of middle columns are respectively provided with a first gear and a second gear, an intermediate gear strip which is simultaneously mounted on the mounting disc is arranged between the first gear and the second gear, the two sides of the intermediate gear strip are respectively provided with a left gear and a right gear, the left gear is meshed with the first gear, the right gear is meshed with the second gear, the intermediate gear strip is fixedly connected with a driving mechanism, the intermediate gear strip is driven by the driving mechanism to displace in the front and back directions, and the first centering lugs are correspondingly matched with the second centering lugs, the state is switched between centering and positioning the workpiece and releasing the workpiece.
2. An efficient centering and positioning mechanism for workpieces as recited in claim 1, characterized in that said driving mechanism is a motor or a hydraulic mechanism.
3. An efficient centering and positioning mechanism for workpieces as recited in claim 1, wherein said positioning and mounting disk is provided with reinforcing bosses on the left and right sides.
4. The efficient centering and positioning mechanism for workpieces according to claim 1, wherein said first pair of center pillars and said second pair of center pillars are symmetrically distributed, said first pair of center pillars and said first pair of middle lugs are integrally formed, and said first pair of center pillars and said first gear are fastened and connected by a fastening member.
5. The efficient centering and positioning mechanism for the workpiece according to claim 1, wherein the workpiece is provided with a first groove and a second groove, the first groove can be correspondingly clamped with the first pair of middle lugs, and the second groove can be correspondingly clamped with the second pair of middle lugs.
6. An efficient centering and positioning mechanism for workpieces as recited in claim 1, wherein said workpieces are plate-type workpieces.
7. An efficient centering and positioning mechanism for a workpiece as recited in claim 1, wherein said workpiece is a structural member for a cryo-microtome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149179.1U CN210255156U (en) | 2019-07-22 | 2019-07-22 | Efficient centering and positioning mechanism for workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149179.1U CN210255156U (en) | 2019-07-22 | 2019-07-22 | Efficient centering and positioning mechanism for workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210255156U true CN210255156U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921149179.1U Active CN210255156U (en) | 2019-07-22 | 2019-07-22 | Efficient centering and positioning mechanism for workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210255156U (en) |
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2019
- 2019-07-22 CN CN201921149179.1U patent/CN210255156U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215500 No. 56, Jiulong Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Awit precision machinery (Changshu) Co., Ltd Address before: 215500 No. 56, Jiulong Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: Changshu Yanzhi transportation equipment parts Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |