CN203679853U - Weight reduction mechanism for clamp positioning - Google Patents
Weight reduction mechanism for clamp positioning Download PDFInfo
- Publication number
- CN203679853U CN203679853U CN201320865263.XU CN201320865263U CN203679853U CN 203679853 U CN203679853 U CN 203679853U CN 201320865263 U CN201320865263 U CN 201320865263U CN 203679853 U CN203679853 U CN 203679853U
- Authority
- CN
- China
- Prior art keywords
- alignment pin
- ball bearing
- thrust ball
- positioning disk
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000013585 weight reducing agent Substances 0.000 title abstract 5
- 238000007667 floating Methods 0.000 claims abstract description 29
- 238000003754 machining Methods 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 241000239290 Araneae Species 0.000 claims description 17
- 208000020442 loss of weight Diseases 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a weight reduction mechanism, in particular to a weight reduction mechanism for clamp positioning. According to the technical scheme provided by the utility model, the weight reduction mechanism for clamp positioning comprises a center plate, wherein a positioning plate is fixedly mounted on the center plate, a positioning pin shaft is fixedly mounted on the positioning plate, and the axial line of the positioning pin shaft and the axial line of the positioning plate are positioned on the same straight line; a thrust ball bearing is mounted on the positioning pin shaft, a floating bearing is mounted above the thrust ball bearing, and the positioning pin shaft is sleeved with the floating bearing; a floating support mechanism used for supporting pressure on the thrust ball bearing is arranged below the thrust ball bearing. The weight reduction mechanism provided by the utility model has a compact structure, can effectively solve the problem of large dimension and the problem in angle positioning to heavy workpieces, can ensure maneuverability and accuracy when angle positioning and adjusting to workpieces is performed on a clamp.
Description
Technical field
The utility model relates to a kind of loss of weight mechanism, especially a kind of fixture location loss of weight mechanism.
Background technology
Along with the develop rapidly of fixture industry, process equipment and equipment operator are not only more and more higher to the requirement of the positioning precision of fixture and clamping effect; But also ease for use and hommization operation etc. to fixture have higher requirement, thereby can greatly improve equipment productivity.At present, when workpiece large to size, that quality is heavy carries out angle location, because workpiece is very heavy, the frictional force of workpiece and fixture is also very large, needs a large amount of labour of operator and skill when adjustment, and adjusts the surface damage that gets up easily to cause workpiece.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of fixture location loss of weight mechanism is provided, its compact conformation, can effectively solve that size is large, the angle of quality heavy industry part location, guarantee ease for operation and accuracy when workpiece carries out the adjustment of angle location on fixture, easy to maintenance, safe and reliable.
The technical scheme providing according to the utility model, loss of weight mechanism is used in described fixture location, comprises spider, on described spider, is installed with positioning disk, on described positioning disk, be installed with alignment pin, the axis of described alignment pin and the axis of positioning disk are located along the same line; Thrust ball bearing is installed in alignment pin, and the top of thrust ball bearing is provided with floating support, and described floating support is enclosed within alignment pin; The below of thrust ball bearing is provided with the Floatable supporting mechanism for supporting pressure on thrust ball bearing.
Described Floatable supporting mechanism comprises the packing ring that is positioned at thrust ball bearing below, and described packing ring is provided with pin, and described pin is provided with cylindrical compression spring.
In described positioning disk, be provided with the spring mounting hole that connects described positioning disk, the upper end of cylindrical compression spring is connected with pin, and the lower end of cylindrical compression spring is connected with the adjusting bolt in spring mounting hole.
The center of described positioning disk arranges the alignment pin installing hole that connects described positioning disk, and the bottom of alignment pin is embedded in alignment pin installing hole, and the bottom of alignment pin is fixedly connected with positioning disk by bearing pin hold-down screw.
On described positioning disk, be installed with position-limiting cover, thrust ball bearing and floating support are all positioned at position-limiting cover, and the upper end of floating support passes in position-limiting cover.
Described spider is supported on clamp bottom board, and clamp bottom board is provided with equally distributed positioning support, and positioning support is positioned at the outer ring of spider.
Described positioning support is provided with machining gears, and positioning support contacts with the lower surface of machining gears; Alignment pin, thrust ball bearing, positioning disk and spider are all positioned at machining gears, and floating support contacts with the top in machining gears, and the top of alignment pin contacts with clamping kit.
Between described position-limiting cover and floating support, be provided with the first sealing ring, between floating support and alignment pin, be provided with the second sealing ring.
Advantage of the present utility model: adopt cylindrical compression spring to reduce the impulsive force to positioning support; Adjusting bolt guarantees that the size of the supporting force that cylindrical compression spring provides is adjustable; The selecting of large scale thrust ball bearing makes the time that angle adjusts, and the surface of machining gears and positioning support is compared with less friction, the service life of improving fixture with reduce positioning support surface wearing and tearing, scratch; Can effectively solve that size is large, the angle of quality heavy industry part location, guarantee that workpiece carries out ease for operation and the accuracy of angle location while adjusting on fixture, simple and reliable for structure, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals: 1-machining gears, 2-position-limiting cover, 3-thrust ball bearing, 4-floating support, 5-clamping kit, 6-alignment pin, 7-packing ring, 8-pin, 9-cylindrical compression spring, 10-adjusting bolt, 11-positioning disk, 12-positioning support, 13-clamp bottom board, 14-spider, 15-alignment pin installing hole and 16-spring mounting hole.
The specific embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order effectively to solve, size is large, the angle of quality heavy industry part location, guarantee ease for operation and accuracy when workpiece carries out the adjustment of angle location on fixture, the utility model comprises spider 14, on described spider 14, be installed with positioning disk 11, on described positioning disk 11, be installed with alignment pin 6, the axis of the axis of described alignment pin 6 and positioning disk 11 is located along the same line; Thrust ball bearing 3 is installed in alignment pin 6, and the top of thrust ball bearing 3 is provided with floating support 4, and described floating support 4 is enclosed within alignment pin 6; The below of thrust ball bearing 3 is provided with the Floatable supporting mechanism for supporting pressure on thrust ball bearing 3.
Particularly, positioning disk 11 is fixedly mounted on spider 14 by hold-down screw, and positioning disk 11 can be supported on clamp bottom board 13 by spider 14.Floating support 4 is enclosed within alignment pin 6, the bottom of floating support 4 contacts with thrust ball bearing 3, thereby can be by the weight transfer of machining gears 1 to thrust ball bearing 3, thrust ball bearing 3 bears the pressure of part by Floatable supporting mechanism, thereby can improve the pressure of machining gears 1 to the positioning support 12 on clamp bottom board 13, avoid the damage that positioning support 12 is caused.In the utility model embodiment, machining gears 1 is gear wheel, the workpiece that quality is larger.
Described Floatable supporting mechanism comprises the packing ring 7 that is positioned at thrust ball bearing 3 belows, and described packing ring 7 is provided with pin 8, and described pin 8 is provided with cylindrical compression spring 9.In described positioning disk 11, be provided with the spring mounting hole 16 that connects described positioning disk 11, the upper end of cylindrical compression spring 9 is connected with pin 8, and the lower end of cylindrical compression spring 9 is connected with the adjusting bolt 10 in spring mounting hole 16.Spring mounting hole 16 is positioned at the outside at positioning disk 11 centers, adjusting bolt 10 in spring mounting hole 16 with described spring mounting hole 16 corresponding matching, by adjusting the position of adjusting bolt 10 at spring mounting hole 16, the stroke of cylindrical compression spring 9 can be regulated, the active force of cylindrical compression spring 9 to thrust ball bearing 3 can be regulated.In the utility model embodiment, by the pin 8 on packing ring 7, cylindrical compression spring 9 is led.
The center of described positioning disk 11 arranges the alignment pin installing hole 15 that connects described positioning disk 11, and the bottom of alignment pin 6 is embedded in alignment pin installing hole 15, and the bottom of alignment pin 6 is fixedly connected with positioning disk 11 by bearing pin hold-down screw.
On described positioning disk 11, be installed with position-limiting cover 2, thrust ball bearing 3 and floating support 4 are all positioned at position-limiting cover 2, and the upper end of floating support 4 passes in position-limiting cover 2.Between described position-limiting cover 2 and floating support 4, be provided with the first sealing ring, between floating support 4 and alignment pin 6, be provided with the second sealing ring.Can be to carrying out effective sealing in whole position-limiting cover 2 by position-limiting cover 2, the first sealing ring and the second sealing ring, guarantee not to be subject in position-limiting cover 2 impact of cutting fluid etc.
Described spider 14 is supported on clamp bottom board 13, and clamp bottom board 13 is provided with equally distributed positioning support 12, and positioning support 12 is positioned at the outer ring of spider 14.In the utility model embodiment, three equally distributed positioning supports 12 are set on clamp bottom board 13, can machining gears 1 are positioned and be supported by positioning support 12.
When use, described positioning support 12 is provided with machining gears 1, and positioning support 12 contacts with the lower surface of machining gears 1; Alignment pin 6, thrust ball bearing 3, positioning disk 11 and spider 14 are all positioned at machining gears 1, and floating support 4 contacts with the top in machining gears 1, and the top of alignment pin 6 contacts with clamping kit 5.
Machining gears 1 is on fixture in clamping, locating surface is the upper surface that is arranged on the positioning support 12 on clamp bottom board 13, the pressure of the gravity of machining gears 1 and clamping kit 5 is by positioning support 12 and floating support 4 shareds, thrust ball bearing 3 is arranged in alignment pin 6, the gravity of machining gears 1 is delivered on thrust ball bearing 3 by floating support 4, then be delivered on cylindrical compression spring 9 by packing ring 7, the elastic force providing by cylindrical compression spring 9 realizes the loss of weight of machining gears 1 to positioning support 1.Machining gears 1 is after circumferencial direction location, the spring force support of cylindrical compression spring 9 can accurately reduce machining gears 1 and be applied to the gravity on positioning support 12, reduce the locating surface of machining gears 1 and the frictional force on positioning support 12 surfaces, realize the quick, laborsaving of machining gears 1 angle location.
The utility model adopts cylindrical compression spring 9 to reduce the impulsive force to positioning support 12; Adjusting bolt 10 guarantees that the size of the supporting force that cylindrical compression spring 9 provides is adjustable; The selecting of large scale thrust ball bearing 3 makes the time that angle adjusts, machining gears 1 with the surface of positioning support 12 compared with less friction, improve the service life of fixture and reduce positioning support 12 surfaces wearing and tearing, scratch; Can effectively solve that size is large, the angle of quality heavy industry part location, guarantee that workpiece carries out ease for operation and the accuracy of angle location while adjusting on fixture, simple and reliable for structure, easy to maintenance.
Claims (8)
1. a fixture location loss of weight mechanism, it is characterized in that: comprise spider (14), on described spider (14), be installed with positioning disk (11), on described positioning disk (11), be installed with alignment pin (6), the axis of the axis of described alignment pin (6) and positioning disk (11) is located along the same line; Thrust ball bearing (3) is installed in alignment pin (6), and the top of thrust ball bearing (3) is provided with floating support (4), and described floating support (4) is enclosed within alignment pin (6); The below of thrust ball bearing (3) is provided with the Floatable supporting mechanism for supporting the upper pressure of thrust ball bearing (3).
2. fixture according to claim 1 location loss of weight mechanism, it is characterized in that: described Floatable supporting mechanism comprises the packing ring (7) that is positioned at thrust ball bearing (3) below, described packing ring (7) is provided with pin (8), and described pin (8) is provided with cylindrical compression spring (9).
3. fixture according to claim 2 location loss of weight mechanism, it is characterized in that: in described positioning disk (11), be provided with the spring mounting hole (16) that connects described positioning disk (11), the upper end of cylindrical compression spring (9) is connected with pin (8), and the lower end of cylindrical compression spring (9) is connected with the adjusting bolt (10) in spring mounting hole (16).
4. fixture according to claim 1 location loss of weight mechanism, it is characterized in that: the center of described positioning disk (11) arranges the alignment pin installing hole (15) that connects described positioning disk (11), the bottom of alignment pin (6) is embedded in alignment pin installing hole (15), and the bottom of alignment pin (6) is fixedly connected with positioning disk (11) by bearing pin hold-down screw.
5. fixture according to claim 1 location loss of weight mechanism, it is characterized in that: on described positioning disk (11), be installed with position-limiting cover (2), thrust ball bearing (3) and floating support (4) are all positioned at position-limiting cover (2), and the upper end of floating support (4) passes in position-limiting cover (2).
6. fixture according to claim 1 location loss of weight mechanism, it is characterized in that: described spider (14) is supported on clamp bottom board (13), clamp bottom board (13) is provided with equally distributed positioning support (12), and positioning support (12) is positioned at the outer ring of spider (14).
7. loss of weight mechanism is used in fixture according to claim 6 location, it is characterized in that: described positioning support (12) is provided with machining gears (1), and positioning support (12) contacts with the lower surface of machining gears (1); Alignment pin (6), thrust ball bearing (3), positioning disk (11) and spider (14) are all positioned at machining gears (1), floating support (4) contacts with the top in machining gears (1), and the top of alignment pin (6) contacts with clamping kit (5).
8. loss of weight mechanism is used in fixture according to claim 5 location, it is characterized in that: between described position-limiting cover (2) and floating support (4), be provided with the first sealing ring, between floating support (4) and alignment pin (6), be provided with the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865263.XU CN203679853U (en) | 2013-12-26 | 2013-12-26 | Weight reduction mechanism for clamp positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865263.XU CN203679853U (en) | 2013-12-26 | 2013-12-26 | Weight reduction mechanism for clamp positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679853U true CN203679853U (en) | 2014-07-02 |
Family
ID=51001812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865263.XU Expired - Lifetime CN203679853U (en) | 2013-12-26 | 2013-12-26 | Weight reduction mechanism for clamp positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132557A (en) * | 2021-11-10 | 2022-03-04 | 北自所(北京)科技发展股份有限公司 | Automatic centering expansion type yarn placing disc |
-
2013
- 2013-12-26 CN CN201320865263.XU patent/CN203679853U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132557A (en) * | 2021-11-10 | 2022-03-04 | 北自所(北京)科技发展股份有限公司 | Automatic centering expansion type yarn placing disc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |