CN202921944U - Drilling indexing jig - Google Patents
Drilling indexing jig Download PDFInfo
- Publication number
- CN202921944U CN202921944U CN 201220623405 CN201220623405U CN202921944U CN 202921944 U CN202921944 U CN 202921944U CN 201220623405 CN201220623405 CN 201220623405 CN 201220623405 U CN201220623405 U CN 201220623405U CN 202921944 U CN202921944 U CN 202921944U
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- CN
- China
- Prior art keywords
- bearing
- ratchet
- chuck
- packing
- boring
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- 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 - Fee Related
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a drilling indexing jig, which belongs to the technical field of jigs. The drilling indexing jig comprises a chuck, wherein the upper part of the chuck is uniformly provided with chuck claws, and the lower part of the chuck is provided with a packing; the lower part of the packing is connected with a bearing housing and a bottom plate in sequence; an inner sleeve is sleeved in the packing; a first bearing and a second bearing are arranged between the bearing housing and the inner sleeve; a ratchet is arranged between the first bearing and the second bearing; a pawl is arranged on one side of the ratchet and is provided with a positioning shaft; a first spring is arranged on one side of the pawl; the other side of the first spring is connected with a jack screw; the bottom plate is connected with a pressing block through a bolt; and the lower end of the pressing block is provided with a second spring. The drilling indexing jig is a drilling and tapping jig with accurate indexing and clamping functions, is easy and convenient to operate and easy to master, is widely applied to small-sized enterprises or individual business and the like specialized in drilling flange or tapping products and is low in cost and high in product accuracy.
Description
Technical field
The utility model relates to the boring indexing fixture, belongs to the clamp technology field.
Background technology
Fixture is to be used for fixing workpiece in the machine-building process, make it to occupy the tram, so that a kind of device of processing, when the flange disc type work is carried out Drilling operation, usually adopt traditional processing technology at present: line, center-punching, boring, this processing method not only operation is many, troublesome poeration, and the calibration inaccuracy, the product tolerance after processing is larger, thereby has reduced operating efficiency and interchangeability.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and a kind of reasonable in design, easy to operate, the calibration indexing fixture of holing accurately is provided.
The utility model is achieved through the following technical solutions:
a kind of boring indexing fixture, its special character is to comprise chuck 4, chuck 4 tops evenly are provided with chuck jaw 3, chuck 4 bottoms are provided with packing 5, packing 5 bottoms are connected with bearing holder (housing, cover) 16 and base plate 15 in turn, packing 5 internal sleeve have inner sleeve 13, clutch shaft bearing 19 and the second bearing 17 are installed between bearing holder (housing, cover) 16 and inner sleeve 13, be provided with ratchet 18 between clutch shaft bearing 19 and the second bearing 17, ratchet 18 1 sides are provided with ratchet 12, ratchet 12 is provided with locating shaft 6, ratchet 12 1 sides are provided with the first spring 11, the opposite side of the first spring 11 is connected with jackscrew 7, be connected with briquetting 9 by bolt 8 on base plate 15, the lower end of briquetting 9 is equipped with the second spring 10,
For fixing packing and prevent that foreign material from entering bearing holder (housing, cover), described packing 5 upper ends are equipped with gland 22, between gland 22 and packing 5 by rubber ring 21 sealings;
For pin bearing and limit bearing and ratchet between the gap, be provided with back-up ring 20 between described clutch shaft bearing 19 and inner sleeve 13;
Adopt flat key 14 to be connected between described ratchet 18 and inner sleeve 13;
In order to realize rotating the location, described clutch shaft bearing 19 adopts radial ball bearings;
For realize rotation locate and bear unidirectional to lower stress, described the second bearing 17 employing angular contact ball bearings.
Boring indexing fixture of the present utility model, boring, the tapping clamp with accurate calibration and clamping function, easy and simple to handle, be easy to grasp, be widely used in specializing in the small business of boring ring flange or tapping product or self-employed entrepreneur etc., cost is low, and product accuracy is high.
Description of drawings
Fig. 1: boring indexing fixture structural representation of the present utility model;
In figure: 1, drill bit, 2, workpiece, 3, chuck jaw, 4, chuck, 5, packing, 6, locating shaft, 7, jackscrew, 8, bolt, 9, briquetting, the 10, second spring, the 11, first spring, 12, ratchet, 13, inner sleeve, 14, flat key, 15, base plate, 16, bearing holder (housing, cover), 17, the second bearing, 18, ratchet, 19, clutch shaft bearing, 20, back-up ring, 21, rubber ring, 22, gland.
The specific embodiment
Provide the specific embodiment of the present utility model below with reference to accompanying drawing, be used for formation of the present utility model is described in further detail.
the boring indexing fixture of the present embodiment, comprise chuck 4, chuck 4 tops evenly are provided with chuck jaw 3, chuck 4 bottoms are provided with packing 5, packing 5 bottoms are connected with bearing holder (housing, cover) 16 and base plate 15 in turn, packing 5 internal sleeve have inner sleeve 13, clutch shaft bearing 19 and the second bearing 17 are installed between bearing holder (housing, cover) 16 and inner sleeve 13, be provided with ratchet 18 between clutch shaft bearing 19 and the second bearing 17, ratchet 18 1 sides are provided with ratchet 12, ratchet 12 is provided with locating shaft 6, ratchet 12 1 sides are provided with the first spring 11, the opposite side of the first spring 11 is connected with jackscrew 7, be connected with briquetting 9 by bolt 8 on base plate 15, the lower end of briquetting 9 is equipped with the second spring 10, for fixing packing and prevent that foreign material from entering bearing holder (housing, cover), described packing 5 upper ends are equipped with gland 22, between gland 22 and packing 5 by rubber ring 21 sealings, for pin bearing and limit bearing and ratchet between the gap, be provided with back-up ring 20 between described clutch shaft bearing 19 and inner sleeve 13, adopt flat key 14 to be connected between described ratchet 18 and inner sleeve 13, in order to realize rotating the location, described clutch shaft bearing 19 adopts radial ball bearings, for realize rotation locate and bear unidirectional to lower stress, described the second bearing 17 employing angular contact ball bearings.
operation principle: workpiece is placed on chuck, with chuck jaw, it is tightened, with spanner, the nut on briquetting is unscrewed, after with hand, chuck being pulled an angle counterclockwise, pull clockwise again, when chuck is motionless, with spanner with briquetting gently tightly once, can carry out boring work to workpiece, in the time of need to evenly holing on workpiece, can utilize the rotation of fixture handle ratchet wheel to realize, ratchet adopts 24 deciles usually, driving bearing when ratchet rotates rotates, thereby driving chuck rotates, when turning to the angle that needs, ratchet blocks ratchet, at this moment again briquetting is fixed, just can hole to workpiece.
Chief component parts and the purposes of the boring indexing fixture of the present embodiment:
(1): gland 22 be used for fixedly packing, and anti-sealing and iron filings enters bearing holder (housing, cover);
(2): back-up ring 20, be used for pinning and to limit the gap between bearing and ratchet, can change bearing after unloading back-up ring;
(3): packing 5, be used for chuck for installing, and the calibration transmission of power that is transmitted by ratchet to chuck, workpiece is carried out calibration;
(4): ratchet 18, be used for accurate calibration, be typically designed to 24 deciles, 24 teeth are namely arranged, often turn a tooth and be equivalent to rotate 15 °, realize accurate calibration;
(5): ratchet 12 is used for limiting turning to of ratchet, and can only is unidirectional;
(6): bearing holder (housing, cover) 16 is used for fixedly packing, and take two bearings as support, drives the chuck rotation, with the calibration of completing workpiece and boring, tapping work;
(7): locating shaft 6 is used for distance and position between fixed ratchet wheel, ratchet;
(8): briquetting 9 is used for interfering the fixture rotary part, after fixture drive workpiece is completed a process, nut on briquetting is unscrewed, more manually forward workpiece to desired location, the nut on briquetting is screwed, thereby fixture is fixed, and when making processing work, workpiece is in stationary state;
(9): inner sleeve 13, be used for making whole fixture and workpiece to keep concentric, realize the location;
(10): the first spring 11, the second spring 10 are used for making parts to complete resetting.
The boring indexing fixture of the present embodiment, boring, the tapping clamp with accurate calibration and clamping function, easy and simple to handle, be easy to grasp, be widely used in specializing in the small business of boring ring flange or tapping product or self-employed entrepreneur etc., cost is low, and product accuracy is high.
Claims (6)
1. boring indexing fixture, it is characterized in that comprising chuck (4), chuck (4) top evenly is provided with chuck jaw (3), chuck (4) bottom is provided with packing (5), packing (5) bottom is connected with bearing holder (housing, cover) (16) and base plate (15) in turn, packing (5) internal sleeve has inner sleeve (13), clutch shaft bearing (19) and the second bearing (17) are installed between bearing holder (housing, cover) (16) and inner sleeve (13), be provided with ratchet (18) between clutch shaft bearing (19) and the second bearing (17), ratchet (18) one sides are provided with ratchet (12), ratchet (12) is provided with locating shaft (6), ratchet (12) one sides are provided with the first spring (11), the opposite side of the first spring (11) is connected with jackscrew (7), base plate (15) is upper to be connected with briquetting (9) by bolt (8), the lower end of briquetting (9) is equipped with the second spring (10).
2. according to the described a kind of boring indexing fixture of claim 1, it is characterized in that described packing (5) upper end is equipped with gland (22), between gland (22) and packing (5) by rubber ring (21) sealing.
3. according to the described a kind of boring indexing fixture of claim 1, it is characterized in that being provided with back-up ring (20) between described clutch shaft bearing (19) and inner sleeve (13).
4. according to the described a kind of boring indexing fixture of claim 1, it is characterized in that adopting flat key (14) to be connected between described ratchet (18) and inner sleeve (13).
5. according to the described a kind of boring indexing fixture of claim 1, it is characterized in that described clutch shaft bearing (19) adopts radial ball bearing.
6. according to the described a kind of boring indexing fixture of claim 1, it is characterized in that described the second bearing (17) adopts angular contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623405 CN202921944U (en) | 2012-11-15 | 2012-11-15 | Drilling indexing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623405 CN202921944U (en) | 2012-11-15 | 2012-11-15 | Drilling indexing jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202921944U true CN202921944U (en) | 2013-05-08 |
Family
ID=48211938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623405 Expired - Fee Related CN202921944U (en) | 2012-11-15 | 2012-11-15 | Drilling indexing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202921944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322048A (en) * | 2017-09-01 | 2017-11-07 | 邹凯 | A kind of ring flange hole position processes simple positioning tool |
| CN111014783A (en) * | 2019-12-27 | 2020-04-17 | 福建惠丰电机有限公司 | Positioning drilling rotating table |
-
2012
- 2012-11-15 CN CN 201220623405 patent/CN202921944U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322048A (en) * | 2017-09-01 | 2017-11-07 | 邹凯 | A kind of ring flange hole position processes simple positioning tool |
| CN111014783A (en) * | 2019-12-27 | 2020-04-17 | 福建惠丰电机有限公司 | Positioning drilling rotating table |
| CN111014783B (en) * | 2019-12-27 | 2021-06-29 | 福建惠丰电机有限公司 | Positioning drilling rotating table |
| CN113210677A (en) * | 2019-12-27 | 2021-08-06 | 福建惠丰电机有限公司 | Rotating platform capable of realizing repeated drilling by one-time clamping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131115 |