CN213136512U - Positioning fixture - Google Patents
Positioning fixture Download PDFInfo
- Publication number
- CN213136512U CN213136512U CN202022045173.9U CN202022045173U CN213136512U CN 213136512 U CN213136512 U CN 213136512U CN 202022045173 U CN202022045173 U CN 202022045173U CN 213136512 U CN213136512 U CN 213136512U
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- CN
- China
- Prior art keywords
- positioning
- base plate
- screw
- special
- threaded connection
- 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 - Fee Related
Links
- 238000003754 machining Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 17
- 206010066054 Dysmorphism Diseases 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a positioning fixture, use in the technical field of special-shaped part location, it easily takes place to remove to have solved special-shaped part, cause machining error or measuring error, make the problem of product surface machining precision reduction, including the base plate, be provided with the positioning screw on the base plate, the cooperation is provided with fixation nut on each positioning screw, the quantity of positioning screw is three, one side of the positioning screw who sets up in base plate one end is provided with first stop screw, first stop screw threaded connection is on the base plate, one side of base plate is provided with first riser, the top horizontal screw of first riser is provided with first push rod, the other end both sides of base plate all are provided with the second riser, the top equal horizontal threaded connection of two second risers has the second push rod, the both sides of base plate all are provided with the locating piece, the surface of two locating pieces all is provided with the cavity, be provided with adjustable second stop screw on; the special-shaped part positioning device has the effects of firm positioning of special-shaped parts, simple structure and convenience in positioning and clamping.
Description
Technical Field
The utility model discloses use in special-shaped spare part location technical field, especially relate to a positioning fixture.
Background
The jig is a device for fixing a processing object in a correct position to receive construction or inspection in a machine manufacturing process. Due to the fact that parts are various in types and shapes, especially large irregular parts are difficult to fix and process by a common clamp, and the irregular parts are prone to moving in the process of processing the parts, machining errors or measuring errors are caused, and the surface processing precision of products is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positioning fixture has solved the easy emergence of special-shaped spare part and has removed, causes machining error or measuring error, makes the problem that product surface machining precision reduces.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a positioning clamp, which comprises a substrate, wherein the substrate is provided with three positioning screws, each positioning screw is provided with a fixing nut in a matching way, one positioning screw is in threaded connection with one end of the substrate, the other two positioning screws are in threaded connection with both sides of the substrate respectively, one side of the positioning screw arranged at one end of the substrate is provided with a first limit screw, the substrate is provided with a limit screw hole, the first limit screw is in threaded connection with the limit screw hole, the top end of the first limit screw is provided with an end cap, one side of the substrate is provided with a first vertical plate, the top end horizontal thread of the first vertical plate is provided with a first push rod, both sides of the other end of the substrate are provided with second vertical plates, and the top ends of the two second vertical plates are in horizontal threaded connection with second push rods, the positioning device is characterized in that positioning blocks are arranged on two sides of the base plate, the two positioning blocks are detachably connected with the base plate, concave cavities are formed in the surfaces of the two positioning blocks, and each positioning block is provided with an adjustable second limiting screw.
Furthermore, the bottom end of the positioning block is wedged on the substrate, a bolt hole is formed in the positioning block, a bolt is arranged in the bolt hole in a threaded mode, and the positioning block is connected with the substrate through the bolt.
Furthermore, the top end of the bolt hole on the positioning block is provided with a sinking groove, and the top end of the bolt is embedded in the sinking groove.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a positioning fixture can carry out the omnidirectional location to placing the dysmorphism spare part in positioning fixture through this positioning fixture, make firm the fixing in positioning fixture of dysmorphism spare part, at the in-process that special-shaped spare part was handled by the processing, difficult emergence is removed, more accurate when processing or measuring special-shaped spare part, and positioning fixture's simple structure, make things convenient for the workman to the location clamping of special-shaped spare part, reduce manpower resources's use.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of the overall structure in the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. a substrate; 2. positioning a screw rod; 3. fixing a nut; 4. a first limit screw; 5. a limiting screw hole; 6. an end cap; 7. a first vertical plate; 8. a first push rod; 9. a second vertical plate; 10. a second push rod; 11. positioning blocks; 12. a concave cavity; 13. a second limit screw; 14. bolt holes; 15. a bolt; 16. and (5) sinking the tank.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a positioning fixture provided by the present invention comprises a base plate 1, a special-shaped component is placed on the base plate 1, the base plate 1 is provided with three positioning screws 2, each positioning screw 2 is provided with a fixed nut 3 in a matching way, one of the positioning screws 2 is in threaded connection with one end of the base plate 1, the other two positioning screws 2 are respectively in threaded connection with two sides of the base plate 1 along the width direction of the base plate, fixing holes corresponding to the three positioning screws 2 are respectively arranged on the special-shaped parts, the three positioning screws 2 are respectively sleeved in the corresponding fixing holes, the special-shaped parts are fixed through the fixing nuts 3, so that the special-shaped parts are firmly fixed on the base plate 1, and the special-shaped parts are positioned by the three positioning screws 2, so that the special-shaped parts are prevented from moving on the substrate 1.
Referring to fig. 1, one side of a positioning screw 2 arranged at one end of a substrate 1 is provided with a first limit screw 4, the substrate 1 is provided with a limit screw hole 5, the first limit screw 4 is in threaded connection with the limit screw hole 5, the top end of the first limit screw 4 is provided with an end cap 6, after a special-shaped part is fixed on the substrate 1, the suspension at one side of the bottom end of the special-shaped part is not directly contacted with the substrate 1 above the substrate 1, at the moment, a worker props the end cap 6 at the top end of the first limit screw 4 at the bottom end of the special-shaped part by adjusting the first limit screw 4, and the special-shaped part is supported by the first limit screw 4 so as to be more stable. Be provided with first riser 7 in one side of base plate 1, be provided with first push rod 8 at the top horizontal screw thread of first riser 7, all be provided with second riser 9 in the other end both sides of base plate 1, two the equal horizontal screw thread in top of second riser 9 is connected with second push rod 10, and the workman makes the one end of first push rod 8 and second push rod 10 contradict in the side of dysmorphism spare part through adjusting first push rod 8 and second push rod 10, consolidates dysmorphism spare part once more, makes its firm fixing in positioning fixture.
Further, referring to fig. 1, positioning blocks 11 are disposed on both sides of the base plate 1, cavities 12 are disposed on the surfaces of the two positioning blocks 11, and each positioning block 11 is provided with an adjustable second limit screw 13. The bottom of dysmorphism spare part is provided with the lug, and after the dysmorphism spare part was placed on base plate 1, the lug joint of dysmorphism spare part bottom was in cavity 12, and the suspension of one side of the dysmorphism spare part of joint in cavity 12 is in the top of base plate 1, and the workman adjusts second stop screw 13 on the locating piece 11 once more this moment, makes the top of second stop screw 13 contradict in the bottom of base plate 1, and then stabilizes the dysmorphism spare part. Can carry out the omnidirectional location to placing the dysmorphism spare part in positioning fixture through this positioning fixture this moment, make the firm fixing of dysmorphism spare part in positioning fixture, at the in-process that special-shaped spare part was being processed, be difficult for taking place to remove, more accurate when processing or measuring special-shaped spare part.
Referring to fig. 1, two locating pieces 11 are all detachably connected with a base plate 1, the bottom ends of the locating pieces 11 are in wedged connection with the base plate 1, bolt holes 14 are formed in the locating pieces 11, bolts 15 are arranged in the bolt holes 14 in internal threads, the locating pieces 11 are connected with the base plate 1 through bolts, the locating pieces 11 are firmly fixed on the base plate 1 through wedged connection and bolt fixation, workers can conveniently install and detach the locating pieces 11, when the bottom end structures of special-shaped parts are changed, the locating pieces 11 can be replaced to enable the locating clamp to be suitable for the special-shaped parts with changed structures, the locating clamp is fully utilized, and cost is saved. The top end of the bolt hole 14 on the positioning block 11 is provided with a sinking groove 16, the top end of the bolt 15 is embedded in the sinking groove 16, the bolt 15 is completely screwed into the sinking groove 16 by arranging the sinking groove 16, the flatness of the top end surface of the positioning block 11 is ensured, the top end of the bolt 15 is prevented from scratching the surface of the special-shaped part, and the special-shaped part is protected.
The utility model discloses implement the principle: the worker firstly adjusts the heights of a first limit screw rod 4 on a base plate 1 and a second limit screw rod 13 on a positioning block 11, then places a special-shaped part on the base plate 1, a lug at the bottom end of the special-shaped part is clamped in a cavity 12, the bottom end of the special-shaped part suspended above the base plate 1 is butted against the first limit screw rod 4 and the second limit screw rod 13 respectively, the special-shaped part is supported by the first limit screw rod 4 and the second limit screw rod 13, fixing holes on the special-shaped part are sleeved on corresponding positioning screw rods 2 respectively, then the special-shaped part is fastened by a fixing nut 3, finally, a first push rod 8 and a second push rod 10 are adjusted to enable the first push rod 8 and the second push rod 10 to be butted against the side surface of the special-shaped part, at the moment, the special-shaped part is accurately positioned and fastened by the positioning clamp, when the special-shaped part is processed and tested, the accuracy is high.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. A positioning fixture is characterized by comprising a base plate, wherein the base plate is provided with three positioning screws, each positioning screw is provided with a fixing nut in a matching way, one of the positioning screws is in threaded connection with one end of the base plate, the other two positioning screws are in threaded connection with two sides of the base plate respectively, one side of the positioning screw arranged at one end of the base plate is provided with a first limit screw, the base plate is provided with a limit screw hole, the first limit screw is in threaded connection with the limit screw hole, the top end of the first limit screw is provided with an end cap, one side of the base plate is provided with a first vertical plate, the top end of the first vertical plate is provided with a first push rod in a horizontal threaded manner, the two sides of the other end of the base plate are provided with second vertical plates, and the top ends of the two second vertical plates are in horizontal threaded connection with second push, the positioning blocks are arranged on two sides of the base plate, the two positioning blocks are detachably connected with the base plate, concave cavities are formed in the surfaces of the two positioning blocks, and each positioning block is provided with an adjustable second limiting screw.
2. The positioning fixture according to claim 1, wherein the bottom end of the positioning block is wedged on the base plate, a bolt hole is formed in the positioning block, a bolt is arranged in the bolt hole, and the positioning block is connected with the base plate through the bolt.
3. The positioning fixture according to claim 2, wherein a sinking groove is formed at the top end of the bolt hole in the positioning block, and the top end of the bolt is embedded in the sinking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045173.9U CN213136512U (en) | 2020-09-17 | 2020-09-17 | Positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045173.9U CN213136512U (en) | 2020-09-17 | 2020-09-17 | Positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213136512U true CN213136512U (en) | 2021-05-07 |
Family
ID=75717066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022045173.9U Expired - Fee Related CN213136512U (en) | 2020-09-17 | 2020-09-17 | Positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213136512U (en) |
-
2020
- 2020-09-17 CN CN202022045173.9U patent/CN213136512U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |