CN203437934U - Pin fixing device - Google Patents
Pin fixing device Download PDFInfo
- Publication number
- CN203437934U CN203437934U CN201320316090.6U CN201320316090U CN203437934U CN 203437934 U CN203437934 U CN 203437934U CN 201320316090 U CN201320316090 U CN 201320316090U CN 203437934 U CN203437934 U CN 203437934U
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- CN
- China
- Prior art keywords
- pin
- fixing device
- positioning
- diameter
- workpiece
- 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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- 238000012545 processing Methods 0.000 claims abstract description 14
- 241001397809 Hakea leucoptera Species 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000002173 cutting fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a pin fixing device. The pin fixing device comprises fastening bolts used for processing and fixing two workpieces; fixing grooves which are arranged on the first workpiece; positioning holes arranged on the second workpiece and communicated with the fixing grooves, wherein a pin with a pin liner is arranged in the positioning hole, the pin liner is sleeved on the positioning pin, a containing space is arranged between the pin liner and the inner wall of the fixing groove, and filled with a glue. The pin fixing precision is greatly increased, the process efficiency is increased, the manufacture cost, the detection cost and the manpower cost are reduced, the mobility is strong, and the reaction is quick.
Description
Technical Field
The utility model relates to a fixing device especially relates to an utilize fixing device of locating pin nail fixed.
Background
At present, the fixing mode commonly adopted in the industry of equipment, tools, clamps, jigs and inspection tools is as follows: after the two workpieces are fixed by screws, positioning pin holes are machined manually by using drilling and milling equipment and then matched with positioning pins.
The prior technical scheme has the following defects:
1. because the later period needs the pin to be matched, the pin hole of the workpiece base plate can not be processed in place at one time, thereby wasting time and having low efficiency;
2. the operation on the diameter and the position of the pin hole of the complex curved surface part and the large part has inaccurate processing precision, and frequent repeated processing and repair, which causes low efficiency, and can be completed only by using high-precision equipment, thereby greatly increasing the processing cost;
3. the later manual work is needed, so that the positioning accuracy of the pin is poor, the required accuracy requirement is difficult to achieve, and the repeated positioning performance is extremely poor;
4. when the field needs to be repositioned and maintained, special mechanical equipment is needed, which wastes time and labor.
In view of this, how to improve the pin positioning accuracy, improve the processing efficiency, and reduce the maintenance cost becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The pin hole to prior art insole bedplate can not once only process and target in place, and is inefficient, and the machining precision is not high, the problem that the rate of reprocessing is high, the utility model provides a pin fixing device.
The utility model provides a pin fixing device, including fastening bolt for the processing of two work pieces is fixed, and wherein, pin fixing device is still including setting up the fixed slot on first work piece, set up on the second work piece with the communicating locating hole of fixed slot, set up a shop bolt that has the pin bush in the locating hole, the pin bush cover is established on the shop bolt, has an accommodation space between pin bush and the fixed slot inner wall, packs the colloid in the accommodation space.
Preferably, the diameter of the positioning hole of the pin fixing device is consistent with the diameter of the positioning pin, and the depth of the positioning hole is greater than or equal to the length of the positioning pin;
preferably, the diameter of the positioning pin of the pin fixing device is 4mm-20mm, and the diameter of the inner hole of the pin bushing is 4mm-20 mm;
preferably, a pin cover screw is arranged at the top of the positioning pin of the pin fixing device;
preferably, the positioning pin of the pin fixing device penetrates through the first workpiece and the second workpiece to be connected;
preferably, the pin bush of the pin fixing device is arranged in the fixing groove;
preferably, the linear distance between the pin bush of the pin fixing device and the inner wall of the fixing groove is 1.5mm-10 mm.
The utility model discloses fixing device's advantage lies in:
1) the second workpiece body has higher precision and high dimensional precision, so that the replaceability of subsequent parts can be greatly improved, and all related positioning pin holes on the second workpiece can be processed in place at one time;
2) when the machine tool is machined, the precision requirement of the pin positioning hole on the first workpiece is obviously reduced, and the manufacturing cost and the detection cost can be greatly reduced;
3) when related workpieces are matched as pins, mechanical equipment and cutting fluid are not needed, so that the surfaces of the processed workpieces are clean and tidy, and meanwhile, the processing is not influenced by the environment and has stronger maneuverability because the mechanical equipment is not used for matching as pins;
4) because the matched pin is a technical work in the mechanical industry, the improved scheme of the utility model can be quickly completed by common workers, thereby reducing the labor cost;
5) the matching precision of each part is high, the problem of false pins is avoided, the repeatability and the stability are good, and the replaceability is high. If the position of the part is slightly designed and changed, the part can not be scrapped, and after readjustment and positioning are carried out, glue filling is carried out, so that the cost is saved, and the reaction is rapid.
Drawings
Various aspects of the invention will become more apparent after reading the detailed description of the invention with reference to the drawings. Wherein,
fig. 1 shows a schematic structural view of a pin fixing device according to the present invention;
fig. 2 shows a cross-sectional view of a pin fixing device according to the present invention;
fig. 3 shows a top view of a pin fixture according to the present invention.
Detailed Description
In order to clearly understand the technical contents of the present invention, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 shows a schematic structural view of a pin fixing device according to the invention, fig. 2 shows a sectional view of a pin fixing device according to the invention, and fig. 3 shows a plan view of a pin fixing device according to the invention. Referring to fig. 1, 2 and 3, the pin fixing device for processing and fixing two workpieces includes a first workpiece 60, a second workpiece 10, a fastening bolt 90, a positioning pin 20, a rubber body 30, a pin bush 40, a pin cover screw 50, a positioning hole 70, and a fixing groove 80. The fixing groove 80 is arranged on the first workpiece 60, the positioning hole 70 which is the same as the fixing groove 80 is arranged on the second workpiece 10, the positioning pin 20 penetrates through the first workpiece 60 and the second workpiece 10 and is arranged in the positioning hole 70, the diameter of the positioning hole 70 is the same as the diameter of the positioning pin 20, the hole depth is larger than or equal to the length of the positioning pin 20, and the fixing device can be used when a deep hole which cannot be reached by the positioning pin is machined.
The positioning pin 20 is provided with a pin bushing 40 which is sleeved on the positioning pin, the diameter of the positioning pin 20 is 4mm-20mm, the pin bushing 40 is matched with the positioning pin, and the diameter of an inner hole is 4mm-20 mm. The pin bushing 40 is disposed within the retaining groove 80, the bushing being a metallic material having a hardness greater than HRC 50. After the positioning pin 20 with the pin bushing 40 is fixed in the positioning hole 70, an accommodating space 100 with a linear distance of 1.5mm-10mm is formed between the pin bushing 40 and the inner wall of the fixing groove 80, and the accommodating space 100 is used for filling the colloid 30. The dowel 20, in addition to having the dowel bushing 40, is topped with a dowel cover screw 50, which is not limited to material and screw type. The design of pin bush 40 and pin lid screw 50 except improving one shot forming's precision, can also effectively increase the repetitive operation of processing, and the repeatability is strong, and stability is good, and replaceability is high, when meetting the condition that needs do slight adjustment to the spare part position, can not scrap whole part, and the quick accurate readjustment location to keep the clean and tidy of spare part surface, mobility is strong. Meanwhile, the arrangement of the pin cover screw 50 can further improve the convenience and accuracy of the operation of the dowel 20.
Utilize the utility model discloses a fixed first work piece 60 of fixing device and second work piece 10 adopt following step:
1) processing a fixing groove 80 on a first workpiece 60, processing a positioning hole 70 matched with the aperture and the depth of the positioning pin 20 on a second workpiece 10 by using high-precision equipment according to drawing parameters, wherein the processing precision is executed according to the instruction of a mechanical manual, the aperture of the positioning pin 20 is kept consistent with the diameter of the positioning pin 20, the hole depth is greater than or equal to the length of the positioning pin 20, and the width of the fixing groove 80 is greater than the aperture of the positioning hole 70, so that the positioning precision is improved in the subsequent fixing operation;
2) fixing the first workpiece 60 by using a fastening bolt 90, adjusting the size by using related detection equipment, and fastening and connecting the first workpiece 60 and the second workpiece 10 after meeting the drawing requirements;
3) sleeving the pin bush 40 on the positioning pin 20, screwing the pin cover screw 50 into the top of the positioning pin 20 to form a whole, inserting the whole into the pin hole 70, and forming an accommodating space 100 between the pin bush 40 and the inner wall of the fixing groove 80;
4) the two-component epoxy resin potting A/B glue 30 is uniformly blended and then quickly poured into the accommodating space 100, and stands still for more than 12 hours in a space with the temperature of more than 20 ℃ until the glue is solidified into a hard solid, and the fixing operation is finished.
By adopting the pin fixing device of the utility model, the characteristics of high precision and high dimensional precision of the second workpiece body can be utilized, the replaceability of subsequent parts is greatly improved, so that all related positioning pin holes on the second workpiece can be processed in place at one time; when the machine tool is machined, the precision requirement of the pin positioning hole on the first workpiece is obviously reduced, and the manufacturing cost and the detection cost can be greatly reduced; when related workpieces are matched as pins, mechanical equipment and cutting fluid are not needed, so that the surfaces of the processed workpieces are clean and tidy, and meanwhile, the processing is not influenced by the environment and has stronger maneuverability because the mechanical equipment is not used for matching as pins; because the matched pin is a technical work in the mechanical industry, the improved scheme of the utility model can be quickly completed by common workers, thereby reducing the labor cost; meanwhile, the matching precision of each part is high, the problem of false pins is avoided, the repeatability and the stability are good, and the replacement is high. If the position of the part is slightly designed and changed, the part can not be scrapped, and after readjustment and positioning are carried out, glue filling is carried out, so that the cost is saved, and the reaction is rapid.
The foregoing description of the embodiments of the invention has been presented. However, those skilled in the art will appreciate that various modifications and substitutions can be made to the specific embodiments of the present invention without departing from the spirit and scope of the invention. Such modifications and substitutions fall within the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a pin fixing device, includes fastening bolt for the processing of two work pieces is fixed, its characterized in that, pin fixing device is still including setting up the fixed slot on first work piece, set up on the second work piece with the communicating locating hole of fixed slot, set up a shop bolt that has the pin bush in the locating hole, the pin bush cover is established on the shop bolt, the pin bush with an accommodation space has between the fixed slot inner wall the colloid is filled to the accommodation space.
2. The pin fixture of claim 1, wherein the locating hole has a diameter that corresponds to a diameter of the locating pin, and wherein the depth of the locating hole is greater than or equal to a length of the locating pin.
3. The pin holder of claim 1, wherein the dowel pin has a diameter of 4mm to 20mm and the pin bushing bore has a diameter of 4mm to 20 mm.
4. A pin holder as recited in claim 1, wherein a pin cover screw is provided on top of the dowel.
5. A pin fixture as recited in claim 1, wherein said dowel pin extends through said first and second workpieces.
6. A pin holder as recited in claim 1, wherein the pin bushing is disposed within the retaining groove.
7. The pin holder of claim 1, wherein a linear distance between the pin bushing and an inner wall of the holding groove is 1.5mm to 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316090.6U CN203437934U (en) | 2013-06-03 | 2013-06-03 | Pin fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316090.6U CN203437934U (en) | 2013-06-03 | 2013-06-03 | Pin fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437934U true CN203437934U (en) | 2014-02-19 |
Family
ID=50089008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320316090.6U Expired - Lifetime CN203437934U (en) | 2013-06-03 | 2013-06-03 | Pin fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273336A (en) * | 2013-06-03 | 2013-09-04 | 上海吉冠实业有限公司 | Fixing structure |
| CN112412939A (en) * | 2020-10-21 | 2021-02-26 | 中国科学院西安光学精密机械研究所 | Combined positioning pin device and installation method thereof |
-
2013
- 2013-06-03 CN CN201320316090.6U patent/CN203437934U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273336A (en) * | 2013-06-03 | 2013-09-04 | 上海吉冠实业有限公司 | Fixing structure |
| CN103273336B (en) * | 2013-06-03 | 2016-05-18 | 上海吉冠实业有限公司 | A kind of fixed structure |
| CN112412939A (en) * | 2020-10-21 | 2021-02-26 | 中国科学院西安光学精密机械研究所 | Combined positioning pin device and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |