CN219733857U - Positioning pin for precision jig - Google Patents
Positioning pin for precision jig Download PDFInfo
- Publication number
- CN219733857U CN219733857U CN202223422822.8U CN202223422822U CN219733857U CN 219733857 U CN219733857 U CN 219733857U CN 202223422822 U CN202223422822 U CN 202223422822U CN 219733857 U CN219733857 U CN 219733857U
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- CN
- China
- Prior art keywords
- pin
- jig
- locating pin
- jig base
- base
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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.)
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of positioning pins for precision jigs, in particular to a positioning pin for a precision jig, which comprises a jig base, wherein lower positioning pins are symmetrically arranged on the jig base, convex balls are arranged at the upper ends of the lower positioning pins, hexagonal columns are arranged at the lower parts of the lower positioning pins, threaded columns are arranged at the lower ends of the lower positioning pins, nut sleeves are arranged at positions, corresponding to the lower positioning pins, on the jig base, pin holes are formed in the jig base, and a top jig is arranged at the upper sides of the jig base. According to the utility model, through the lower locating pin, the hexagonal column, the nut sleeve and the threaded column, the locating pin and the jig are fixed on the nut sleeve through the threaded column, and when the lower locating pin needs to be replaced, the hexagonal column is clamped by the handle to rotate, so that the lower locating pin is disassembled and assembled on the jig base, the connection step is simplified, and the locating pin is very convenient to install and replace.
Description
Technical Field
The utility model relates to the technical field of positioning pins for precision jigs, in particular to a positioning pin for a precision jig.
Background
The pin is one of the common fasteners in machinery and is used for preventing relative position dislocation of two parts, and the pin is a cylinder. The jig plays an important role in the auxiliary workpiece manufacturing process, and the pin can ensure that the jig is accurate in moving and positioning, and the processing quality of the workpiece is ensured.
Through retrieving, among the prior art, the patent publication number is CN201721551984.8 discloses the locating pin, and wherein the locating pin utilizes the measuring aperture to mark the probe, and its easy and simple to handle, simple structure has very high commonality.
However, the prior art has certain defects, and the connecting steps between the locating pin and the jig are complicated, so that the locating pin is inconvenient to install and replace.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the locating pin for the precise jig, and solves the problems that the connecting steps between the locating pin and the jig are complicated, and the installation and replacement of the locating pin are very inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locating pin for accurate tool, includes the tool base, the symmetry is provided with down locating pin on the tool base, locating pin upper end is provided with the convex ball down, locating pin lower part is provided with the hexagon post down, locating pin lower extreme is provided with the screw thread post down, correspond on the tool base the position of locating pin is provided with the nut cover down, be provided with the pinhole on the tool base, tool base upside is provided with the top tool, correspond on the top tool the locating pin position is provided with the pin sleeve down, pin sleeve upper end inboard is provided with interior hexagon draw-in groove, pin sleeve lower extreme outside is provided with the external screw thread.
As a preferable technical scheme of the utility model, an upper locating pin is arranged on the lower side surface of the top jig corresponding to the pin hole, and the upper locating pin is connected with the top jig through threads.
As a preferable technical scheme of the utility model, the pin sleeve is connected with the top jig through the external threads, and the lower locating pin is connected with the jig base through the threaded column.
As a preferable technical scheme of the utility model, the jig base is connected with the machine tool through bolts, and the upper locating pin is connected with the jig base through the pin holes.
As a preferable technical scheme of the utility model, the pin hole is spliced with the upper locating pin, and the top jig and the jig base are both made of stainless steel.
As a preferable technical scheme of the utility model, the top of the lower locating pin and the top of the upper locating pin are made of stainless steel.
As a preferable technical scheme of the utility model, the inner diameter of the pin hole is the same as the outer diameter of the top of the upper locating pin, and the convex ball and the lower locating pin are integrally manufactured.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the lower locating pin, the hexagonal column, the nut sleeve and the threaded column, the locating pin and the jig are fixed on the nut sleeve through the threaded column, and when the lower locating pin needs to be replaced, the hexagonal column is clamped by the handle to rotate, so that the lower locating pin is disassembled and assembled on the jig base, the connection step is simplified, and the locating pin is very convenient to install and replace.
Drawings
FIG. 1 is a schematic diagram of a front view of a precise jig of the present utility model in a separated state of a positioning pin;
FIG. 2 is a schematic diagram of a front view of a lower locating pin in the locating pins for the precision jig;
FIG. 3 is a schematic diagram of a front view of a pin sleeve in a positioning pin for a precision jig according to the present utility model;
fig. 4 is a schematic diagram of a front view structure of a top jig in a positioning pin for a precision jig according to the present utility model.
In the figure: 1. a jig base; 2. a lower locating pin; 3. hexagonal columns; 4. a nut sleeve; 5. a pin hole; 6. a top smelting tool; 7. a pin sleeve; 8. a threaded column; 9. a positioning pin is arranged on the upper part; 10. an inner hexagonal clamping groove; 11. an external thread; 12. and (5) convex ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a positioning pin for a precision jig comprises a jig base 1, wherein lower positioning pins 2 are symmetrically arranged on the jig base 1, convex balls 12 are arranged at the upper ends of the lower positioning pins 2, hexagonal columns 3 are arranged at the lower parts of the lower positioning pins 2, threaded columns 8 are arranged at the lower ends of the lower positioning pins 2, nut sleeves 4 are arranged at positions, corresponding to the lower positioning pins 2, on the jig base 1, pin holes 5 are arranged on the jig base 1, a top jig 6 is arranged at the upper side of the jig base 1, pin sleeves 7 are arranged at positions, corresponding to the lower positioning pins 2, on the top jig 6, inner hexagonal clamping grooves 10 are arranged at the inner sides of the upper ends of the pin sleeves 7, and external threads 11 are arranged at the outer sides of the lower ends of the pin sleeves 7.
In this embodiment, the pin hole 5 position is corresponding to top tool 6 downside and is provided with locating pin 9, goes up locating pin 9 and top tool 6 through threaded connection, goes up locating pin 9 and can make to go up between tool 6 and the tool base 1 to fix a position accurately, and pin hole 5 can carry out spacing card to last locating pin 9.
In this embodiment, pin sleeve 7 is connected through external screw thread 11 with top tool 6, and lower locating pin 2 passes through screw thread post 8 with tool base 1 to be connected, and pin sleeve 7 can be connected fixedly through external screw thread 11 and top tool 6, and then makes pin sleeve 7 to fix down locating pin 2 chucking.
In this embodiment, the jig base 1 is connected with the machine tool through bolts, the upper locating pin 9 is connected with the jig base 1 through the pin hole 5, and the jig base 1 can be connected with the pin sleeve 7 on the top jig 6 through the lower locating pin 2.
In this embodiment, pinhole 5 peg graft with last locating pin 9, and top tool 6 and tool base 1 are made for the stainless steel, go up locating pin 9 and can insert in pinhole 5 for it is accurate to connect between top tool 6 and the tool base 1.
In this embodiment, the lower locating pin 2 and the upper locating pin 9 are made of stainless steel, and the materials of the lower locating pin 2 and the upper locating pin 9 can ensure that less abrasion is generated after long-time use.
In this embodiment, the inner diameter of the pin hole 5 is the same as the outer diameter of the upper locating pin 9, the convex ball 12 and the lower locating pin 2 are integrally formed, and the convex ball 12 can enable the lower locating pin 2 to be accurately inserted into the screw sleeve 7.
Working principle: the top tool 6 is connected with the running mechanism of the machine tool, the tool base 1 is connected with the bottom of the machine tool, when the top tool 6 moves downwards, the upper locating pin 9 can be stably inserted into the pin hole 5, the connection locating accuracy between the top tool 6 and the tool base 1 is guaranteed, when the top tool 6 is connected with the tool base 1, the lower locating pin 2 can be stably inserted into the pin sleeve 7, when the lower locating pin 2 needs to be replaced, the lower locating pin 2 can be taken down from the nut sleeve 4 through clamping on the hexagonal column 3 by a spanner, then the new lower locating pin 2 is rotatably installed, the upper locating pin 9 is replaced from the top tool 6 in a threaded connection mode, the installation step is simplified, and the replacement and installation of the pins are facilitated.
Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. Positioning pin for precision jig, including smelting tool base (1), its characterized in that: the novel welding jig is characterized in that lower locating pins (2) are symmetrically arranged on the jig base (1), convex balls (12) are arranged at the upper ends of the lower locating pins (2), hexagonal columns (3) are arranged at the lower parts of the lower locating pins (2), threaded columns (8) are arranged at the lower ends of the lower locating pins (2), nut sleeves (4) are arranged at positions, corresponding to the lower locating pins (2), of the jig base (1), pin holes (5) are formed in the jig base (1), top jigs (6) are arranged at the upper sides of the jig base (1), pin sleeves (7) are arranged at positions, corresponding to the positions of the lower locating pins (2), inner clamping grooves (10) are formed in the inner sides of the upper ends of the pin sleeves (7), and external threads (11) are arranged at the outer sides of the lower ends of the pin sleeves (7).
2. The positioning pin for precision jigs according to claim 1, wherein: an upper locating pin (9) is arranged on the lower side surface of the top jig (6) corresponding to the pin hole (5), and the upper locating pin (9) is connected with the top jig (6) through threads.
3. The positioning pin for precision jigs according to claim 1, wherein: the pin sleeve (7) is connected with the top jig (6) through the external threads (11), and the lower locating pin (2) is connected with the jig base (1) through the threaded column (8).
4. The positioning pin for precision jigs according to claim 2, wherein: the jig base (1) is connected with the machine tool through bolts, and the upper locating pin (9) is connected with the jig base (1) through the pin hole (5).
5. The positioning pin for precision jigs according to claim 2, wherein: the pin hole (5) is inserted into the upper locating pin (9), and the top jig (6) and the jig base (1) are made of stainless steel.
6. The positioning pin for precision jigs according to claim 2, wherein: the lower locating pin (2) and the upper locating pin (9) are made of stainless steel.
7. The positioning pin for precision jigs according to claim 2, wherein: the inner diameter of the pin hole (5) is the same as the outer diameter of the upper locating pin (9), and the convex ball (12) and the lower locating pin (2) are integrally manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223422822.8U CN219733857U (en) | 2022-12-19 | 2022-12-19 | Positioning pin for precision jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223422822.8U CN219733857U (en) | 2022-12-19 | 2022-12-19 | Positioning pin for precision jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733857U true CN219733857U (en) | 2023-09-22 |
Family
ID=88054208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223422822.8U Active CN219733857U (en) | 2022-12-19 | 2022-12-19 | Positioning pin for precision jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733857U (en) |
-
2022
- 2022-12-19 CN CN202223422822.8U patent/CN219733857U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |