CN214135931U - Annular positioning and pressing mechanism - Google Patents
Annular positioning and pressing mechanism Download PDFInfo
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- CN214135931U CN214135931U CN202022262026.7U CN202022262026U CN214135931U CN 214135931 U CN214135931 U CN 214135931U CN 202022262026 U CN202022262026 U CN 202022262026U CN 214135931 U CN214135931 U CN 214135931U
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- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The application discloses annular location hold-down mechanism, including being used for fixed annular fixing base, the inboard of annular fixing base is equipped with a plurality of support elements that just are the circumference and distribute along annular fixing base is radial, the outside of annular fixing base is equipped with a plurality ofly and the support element one-to-one compress tightly the unit, support element forms annular standing groove on the fixing base with compressing tightly the unit cooperation back. The pressing mechanism has the advantages that machining errors of the inner circle and the outer circle of the pressing mechanism are overcome, and the workpiece is stressed uniformly in the pressing mechanism.
Description
Technical Field
The utility model relates to a hold-down mechanism's field especially relates to an annular location hold-down mechanism.
Background
The existing annular pressing mechanism is used for positioning and pressing annular products, and the subsequent processing operation is convenient.
In the related art, when the workpiece is mounted in the pressing mechanism, the inner circumferential wall and the outer circumferential wall of the annular workpiece have a tolerance, which results in that the two circumferences are not concentric, and therefore, the section thickness between the inner wall and the outer wall is not uniform at some parts of the annular workpiece.
SUMMERY OF THE UTILITY MODEL
In order to overcome the inner and outer circle machining error of work piece behind the hold-down mechanism installation work piece, make the work piece atress even in hold-down mechanism, this application provides an annular location hold-down mechanism.
The application provides a ring positioning hold-down mechanism adopts following technical scheme:
the utility model provides an annular location hold-down mechanism, is including being used for fixed annular fixing base the inboard of annular fixing base is equipped with a plurality of radial support elements that just are the circumference and distribute along annular fixing base, support element supports arm radial movement's drive assembly in the inner support arm that sets up including the symmetry and the drive.
Through adopting above-mentioned technical scheme, hold-down mechanism includes the fixing base, and the staff installs the fixing base to need fixed position department. The supporting unit is arranged on the fixing seat and comprises an inner supporting arm and a driving assembly, the inner supporting arm is symmetrically arranged, when a workpiece is propped open by the inner supporting arm, the workpiece can be completely propped open, and the pressing mechanism arranged in the way can realize the effect of balance of the stress inside the supporting unit.
Preferably, the driving assembly comprises a first cylinder fixed at the axis of the fixing seat, a plurality of fixing blocks are circumferentially distributed on a piston rod of the first cylinder, and each fixing block is rotatably connected with a connecting rod.
Through adopting above-mentioned technical scheme, drive assembly includes first cylinder, and first cylinder sets up with the axis parallel arrangement of fixing base, and first cylinder setting is provided with the fixed block in the axle center department of fixing base on the piston rod of first cylinder, and when the piston rod action of first cylinder, the fixed block follows the piston rod and moves together. The connecting rod is arranged on each fixed block, the other end of the connecting rod is connected with the inner supporting arm, and the inner supporting arm can slide on the fixed seat under the driving of the connecting rod, so that the position of the supporting unit can be adjusted.
Preferably, the inner supporting arm is provided with an adjusting assembly, the adjusting assembly comprises a limiting groove formed in the inner supporting arm and a limiting block arranged on the upper surface of the fixing seat, the limiting block is matched with the limiting groove, and one end, far away from the connecting rod, of the inner supporting arm is provided with an arc surface.
Through adopting above-mentioned technical scheme, all seted up the spacing groove on every inner support arm, be provided with the stopper on the fixing base, the stopper slides in the spacing groove, realizes the control of supporting element holding power size. Interior support arm one end sets up to the cambered surface, and the interior support arm of symmetry forms a circle on the fixing base, can be better with place the product laminating in the standing groove, play the supporting role.
Preferably, the outside of fixing base is equipped with a plurality of and the support element one-to-one compress tightly the unit, compress tightly the power supply subassembly that the unit includes compact heap and drive compact heap removal, the support element forms annular standing groove on the fixing base with compressing tightly the unit cooperation back.
Through adopting above-mentioned technical scheme, the power supply subassembly drive that sets up on the fixing base compresses tightly the compact heap of unit and moves on the fixing base, forms annular standing groove between support element and the unit that compresses tightly, and the standing groove is used for placing annular product, and support element struts the product, compresses tightly the unit and supports the product tightly on support element, and support element is the same with the quantity that compresses tightly the unit.
Preferably, the power source assembly comprises a second cylinder arranged at the bottom of the fixed seat, a guide rail arranged on the upper surface of the fixed seat, a sliding block connected to the guide rail in a sliding manner, and a connecting block fixedly connected with the sliding block.
Through adopting above-mentioned technical scheme, the power supply subassembly includes a plurality of second cylinders in the fixing base bottom, second cylinder and fixing base parallel arrangement, first cylinder and second cylinder mutually perpendicular. The upper surface of the fixed seat is provided with guide rails, two guide rails are in a group, and the number of the groups is the same as that of the inner support arms. The sliding blocks are arranged on each group of guide rails, the pressing blocks are arranged on the sliding blocks, the connecting blocks are arranged between the connecting blocks and the piston rods of the second air cylinders, the connecting blocks penetrate through the abdicating grooves formed in the fixing seats, and the pressing mechanism arranged in this way can realize the problem that products are evenly pressed.
Preferably, the pressing block is provided with a pressing assembly, and the pressing assembly comprises a vertical plate arranged on one side, close to the axis of the fixing seat, of the pressing block and a butt joint block fixed on the vertical plate.
Through adopting above-mentioned technical scheme, the one side that the compact heap is close to the fixing base center is provided with the subassembly that compresses tightly, compresses tightly the effect that the subassembly can play the increase packing force to the product of placing in the standing groove. The pressing assembly comprises a vertical plate arranged on the pressing block and a butt joint block fixed on the vertical plate, a plurality of vertical plates and butt joint blocks are arranged on one pressing block, and the butt joint blocks can be abutted to tight products.
Preferably, the sum of the stroke of the supporting unit and the stroke of the pressing unit is greater than the thickness of the product.
By adopting the technical scheme, the sum of the strokes of the supporting unit and the pressing unit is greater than the thickness of the product, and the ratio of the piece taking space to the volume of the product is greater than 1, so that the arrangement is convenient for workers to take the pieces.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fixing seat is provided with a supporting unit and a pressing unit, a placing groove for placing a product is formed between the supporting unit and the pressing unit, the placing groove is an annular groove, and the sum of the strokes of the supporting unit and the pressing unit is greater than the thickness of the product, so that a worker can conveniently take the product;
2. the inner supporting arm is provided with an adjusting assembly, the pressing block is provided with a pressing assembly, the adjusting assembly and the pressing assembly can achieve the problem of hand balance inside the supporting unit, the size of supporting force can be controlled, and the size of pressing force of a product can be controlled.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a bottom view of the overall structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the supporting unit of the present invention.
Fig. 4 is a schematic view of the overall structure of the compressing unit of the present invention.
Description of reference numerals: 1. a fixed seat; 2. a support unit; 21. an inner support arm; 22. a drive assembly; 221. a first cylinder; 222. a fixed block; 223. a connecting rod; 3. a pressing unit; 31. a compression block; 32. a power source assembly; 321. a second cylinder; 322. a guide rail; 323. a slider; 324. connecting blocks; 4. an adjustment assembly; 41. a limiting groove; 42. a limiting block; 5. a compression assembly; 51. a vertical plate; 52. a butting block; 6. and (6) placing the groove.
Detailed Description
The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
The embodiment of the utility model discloses annular location hold-down mechanism. Referring to fig. 1 and 2, the pressing mechanism includes a fixing base 1, and a supporting unit 2 installed on an upper surface of the fixing base 1, wherein the supporting unit 2 can horizontally slide on the fixing base 1. The supporting unit 2 includes an inner supporting arm 21 disposed on the fixing base 1 and a driving component 22 for driving the inner supporting arm 21 to move radially on the fixing base 1, and in this embodiment, the inner supporting arms 21 are eight and distributed along the circumference of the fixing base 1. Interior support arm 21 forms the ring shape on fixing base 1, and the staff can establish the work piece cover on interior support arm 21, according to the specification size of work piece, under drive assembly 22's effect, interior support arm 21 struts the work piece completely, and the inner wall of work piece and the cross-sectional thickness of outer wall one this moment cause the work piece atress under hold-down mechanism's effect even.
Referring to fig. 1 and 2, the driving assembly 22 includes a first cylinder 221 disposed at a central position of the fixing base 1, a fixing block 222 connected to a piston rod of the first cylinder 221, and a connecting rod 223 rotatably connected to the fixing block 222, and the inner supporting arm 21 is rotatably connected to an end of the connecting rod 223 far from the fixing block 222. When the piston rod of the first cylinder 221 moves up and down, the fixing block 222 moves up and down along with the piston rod of the first cylinder 221, and the inner supporting arm 21 reciprocates on the fixing base 1 under the driving of the connecting rod 223. Be provided with adjusting part 4 on inner support arm 24, adjusting part 4 is including offering the spacing groove 41 on inner support arm 21 and fixing the stopper 42 on fixing base 1, and stopper 42 sets up with fixing base 1 level, sets up like this when first cylinder 221 up-and-down motion, and inner support arm 21 can slide along stopper 42, has realized the effect that holding power size can be controlled, can also absorb interior excircle machining error and self defect simultaneously. The one side that interior support arm 21 kept away from first cylinder 221 sets up to the cambered surface, sets up like this can be better with the product laminating, supports the product of placing in standing groove 6.
Referring to fig. 1, a pressing unit 3 is further arranged on the fixing base 1, the pressing unit 3 is arranged outside the fixing base 1, in this embodiment, the number of the supporting units 2 is the same as that of the pressing units 3, the supporting units 2 correspond to the pressing units 3 one to one, and eight directions are uniformly distributed to form eight balanced outward tensions. A placing groove 6 for placing the product is formed between the supporting unit 2 and the pressing unit 3, and the placing groove 6 is annular. The workpiece is subjected to the supporting force of the inner supporting arm 21 of the supporting unit 2 and the pressing force of the pressing unit 3 in the placing slot 6 to form a pair of reaction forces, and uniform pressing of the product is achieved. In order to facilitate the workers to take the products, the sum of the strokes of the supporting unit 2 and the pressing unit 3 is larger than the thickness of the products, and the volume ratio of the placing groove 6 to the products is larger than 1.
Referring to fig. 3 and 4, the pressing unit 3 includes a pressing block 31 slidably connected to the fixing base 1, and a power source assembly 32 for driving the pressing block 31 to move, the power source assembly 32 includes a second cylinder 321 fixed on the bottom surface of the fixing base 1, a guide rail 322 disposed on the upper surface of the fixing base 1, a slider 323 sliding on the guide rail 322, and a connecting block 324 disposed on the piston rod of the second cylinder 321 and between the sliders 323, the pressing block 31 is disposed on the side of the slider 323 away from the guide rail 322, in this embodiment, the guide rails 322 are provided with eight groups, each group is two guide rails 322, so that the pressing block 31 can be supported more stably.
Referring to fig. 4, a pressing assembly 5 is arranged on one surface, close to the inner supporting arm 21, of the pressing block 31, the pressing assembly 5 comprises a vertical plate 51 fixed on the pressing block 31 and an abutting block 52 arranged at one end, far away from the pressing block 31, of the vertical plate 51, in this embodiment, the pressing assembly 5 is provided with three abutting blocks which are evenly arranged on the pressing block 31, and the damage to a product caused by the direct contact between the pressing block 31 and the product can be reduced by the arrangement.
The implementation principle of the annular positioning and pressing mechanism in the embodiment of the application is as follows: the position of the pressing unit 3 is firstly adjusted by a worker, the position of the pressing block 31 on the fixed seat 1 is adjusted according to the specification and size of a product, the second air cylinder 321 is started, the piston rod of the second air cylinder 321 moves to drive the connecting block 324 to move, the connecting block 324 drives the sliding block 323 to slide on the guide rail 322 on the fixed seat 1, the pressing block 31 on the sliding block 323 slides along with the sliding block 323, when the piston rod of the second air cylinder 321 moves to a position far away from the center of the fixed seat 1, the distance between the pressing block 31 and the supporting unit 2 is increased, and when the piston rod of the second air cylinder 321 moves to a position near the center of the fixed seat 1, the distance between the pressing block 31 and the supporting unit 2 is decreased; then, the product is placed in the placing groove 6, the first air cylinder 221 is started to adjust the position of the supporting unit 2, when the piston rod of the first air cylinder 221 moves, the fixed block 222 moves along with the first air cylinder, the fixed block 222 pushes the connecting rod 223 to move, and the inner supporting arm 21 moves on the fixed seat 1 under the driving of the moving rod; when the piston rod of the first cylinder 221 moves upwards, the fixing block 222 drives the connecting rod 223 to move, at this time, the inner supporting arm 21 is close to the pressing unit 3, and when the piston rod of the first cylinder 221 moves downwards, the fixing block 222 drives the connecting rod 223 to move, at this time, the inner supporting arm 21 is far away from the pressing unit 3; with the interior support arm 21 and the product butt of support element 2, because the one side of interior support arm 21 and product contact is the cambered surface, set up like this can be better with the product laminating. Because the supporting units 2 and the pressing units 3 are the same in number and are uniformly distributed in the same direction, balanced outward tension is formed by the arrangement, and the product can be uniformly pressed in the pressing mechanism to play a centering role.
It will be appreciated by persons skilled in the art that the embodiments of the invention shown in the foregoing description are given by way of example only and are not limiting of the invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (7)
1. The utility model provides an annular location hold-down mechanism, is including being used for fixed annular fixing base (1), its characterized in that, the inboard of annular fixing base (1) is equipped with a plurality of support element (2) that radially just are the circumference and distribute along annular fixing base (1), support element (2) are including the drive assembly (22) of inner support arm (21) and drive inner support arm (21) radial movement that the symmetry set up.
2. The annular positioning and pressing mechanism as claimed in claim 1, wherein the driving assembly (22) comprises a first cylinder (221) fixed at the axial center of the fixed base (1), a plurality of fixed blocks (222) are circumferentially distributed on a piston rod of the first cylinder (221), and a connecting rod (223) is rotatably connected to each fixed block (222).
3. The annular positioning and pressing mechanism as claimed in claim 2, wherein the inner supporting arm (21) is provided with an adjusting assembly (4), the adjusting assembly (4) comprises a limiting groove (41) formed in the inner supporting arm (21) and a limiting block (42) arranged on the upper surface of the fixing base (1), the limiting block (42) is matched with the limiting groove (41), and one end of the inner supporting arm (21) far away from the connecting rod (223) is provided with an arc surface.
4. The annular positioning and pressing mechanism according to claim 1, wherein a plurality of pressing units (3) corresponding to the supporting units (2) one by one are arranged on the outer side of the fixing base (1), the pressing units (3) comprise pressing blocks (31) and power source assemblies (32) for driving the pressing blocks (31) to move, and the annular placing grooves (6) are formed on the fixing base (1) after the supporting units (2) are matched with the pressing units (3).
5. The annular positioning and pressing mechanism according to claim 4, wherein the power source assembly (32) comprises a second cylinder (321) arranged at the bottom of the fixed base (1), a guide rail (322) arranged on the upper surface of the fixed base (1), a sliding block (323) slidably connected to the guide rail (322), and a connecting block (324) fixedly connected with the sliding block (323).
6. The annular positioning and pressing mechanism as claimed in claim 4, wherein the pressing block (31) is provided with a pressing assembly (5), and the pressing assembly (5) comprises a vertical plate (51) arranged on one side of the pressing block (31) close to the axial center of the fixing base (1) and an abutting block (52) fixed on the vertical plate (51).
7. An annular positioning and pressing mechanism according to claim 1, characterized in that the sum of the stroke of the supporting unit (2) and the stroke of the pressing unit (3) is greater than the thickness of the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262026.7U CN214135931U (en) | 2020-10-12 | 2020-10-12 | Annular positioning and pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262026.7U CN214135931U (en) | 2020-10-12 | 2020-10-12 | Annular positioning and pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214135931U true CN214135931U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022262026.7U Expired - Fee Related CN214135931U (en) | 2020-10-12 | 2020-10-12 | Annular positioning and pressing mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN214135931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750203A (en) * | 2022-04-21 | 2022-07-15 | 中山大学 | Rigid-driving mechanical arm with continuously adjustable diameter |
-
2020
- 2020-10-12 CN CN202022262026.7U patent/CN214135931U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750203A (en) * | 2022-04-21 | 2022-07-15 | 中山大学 | Rigid-driving mechanical arm with continuously adjustable diameter |
| CN114750203B (en) * | 2022-04-21 | 2023-05-23 | 中山大学 | Rigidity driven diameter continuously adjustable mechanical arm |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |