CN208992210U - A kind of Split Positioning pin - Google Patents
A kind of Split Positioning pin Download PDFInfo
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- CN208992210U CN208992210U CN201821106335.1U CN201821106335U CN208992210U CN 208992210 U CN208992210 U CN 208992210U CN 201821106335 U CN201821106335 U CN 201821106335U CN 208992210 U CN208992210 U CN 208992210U
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- hole
- pin
- mounting base
- mounting
- pin rod
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Abstract
The utility model discloses a kind of Split Positioning pins, including pin rod, mounting base and fixing piece, the lower end of the pin rod is equipped with the first datum level, upper end is equipped with the positioning region matched with part to be processed, the side wall of the pin rod is equipped with the first mounting hole, the lower surface of the mounting base is equipped with the second datum level, the mounting base is equipped with vertical direction pin hole and fixation hole, the pin rod is socketed in pin hole, the fixation hole is for mounting base to be fixedly connected with fixture, the side wall of mounting base is equipped with the second mounting hole for extending to pin hole, the fixing piece extends in the first mounting hole through the second mounting hole, pin rod is fixedly connected with mounting base.Through the above technical solutions, being avoided that indent occurs for datum level A, and then positioning pin is made to meet the installation requirement of parts to be processed.
Description
Technical field
The utility model relates to clamp for machining field more particularly to a kind of Split Positioning pins.
Background technique
When processing valve body piece, due to valve body piece volume very little, need to use one on the clamp for machining of two finger settings
The special-shaped positioning pin of kind, as shown in Figure 1, the lower part of the pin sets the datum level there are two horizontal direction, i.e. datum level A and datum level B,
During processing, due to the structure of the positioning pin and required precision, peripheral milling simultaneous processing datum level A and benchmark need to be selected
Face B, the process determine that datum level A is recessed inner concave 1, and the size of indent is 0.03mm.It processes in this way
The special-shaped positioning pin of 1/4 circle can be such that part tilts, cause verticality overproof after Assembly part, and 5 0.0955 degree of angular error,
Also forming the center between two positioning pins of two finger settings away from error is 0.7983mm, just beyond part and positioning pin gap
Normal range 0.02-0.025mm, make part to be processed can not normal mounting on clamp for machining.
Utility model content
In view of above-mentioned deficiency present in current special-shaped positioning pin process, the utility model provides a kind of split type fixed
Position pin, can avoid datum level A that indent occurs, and then the installation for making positioning pin meet parts to be processed is wanted in process
It asks.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of Split Positioning pin, which is characterized in that including,
Pin rod, the lower end of the pin rod are equipped with the first datum level, and upper end is equipped with the positioning matched with part to be processed
The side wall in portion, the pin rod is equipped with the first mounting hole；
Mounting base, the lower surface of the mounting base are equipped with the second datum level, and the mounting base is equipped with vertical direction pin hole
And fixation hole, the pin rod are socketed in pin hole, the fixation hole is for mounting base to be fixedly connected with fixture, the side of mounting base
Wall is equipped with the second mounting hole for extending to pin hole；
Fixing piece, the fixing piece extend in the first mounting hole through the second mounting hole, pin rod and mounting base are fixed
Connection.
Pin rod and mounting base are split as two parts, pin rod and mounting base can be processed individually, and then make datum level A and
Datum level B can be processed individually, avoid datum level A that indent occurs, and then positioning pin is made to meet the installation requirement of parts to be processed.
Preferably, the fixation hole is set as two, and mounting base is made to connect with fixture more firm.
Preferably, the fixation hole is set as different diameter hole, and the internal diameter in the upper hole of different diameter hole is greater than the lower opening internal diameter of different diameter hole,
When mounting base and fixture are attached by setting bolt in fixation hole, since bolt includes nut and screw rod, fixation hole is set
Being set to different diameter hole can make nut sink to the upper surface of mounting base hereinafter, being convenient for the processing of part.
Preferably, second datum level is 1/4 round, in the small part of processing volume, the peace of 1/4 round
Filling seat can preferably cooperate with other mechanisms on fixture, such as oil cylinder, supporting block.
Preferably, the pin hole gets close to center of circle setting, and the fixation hole gets close to circumference setting, facilitates on pin rod and fixture
Oil cylinder preferably cooperates.
Preferably, the upper area of the fixation hole is set as the slope extended to circumferencial direction, can make the outer of mounting base
Edge easily facilitates the processing of part.
Preferably, the fixing piece is set as bolt, is connected firmly and structure is simple, at low cost.
The advantages of the utility model is implemented: the utility model provides a kind of Split Positioning pin, including pin rod, mounting base
And fixing piece, the lower end of the pin rod are equipped with the first datum level, upper end is equipped with the positioning region matched with part to be processed, institute
The side wall for stating pin rod is equipped with the first mounting hole, and the lower surface of the mounting base is equipped with the second datum level, sets in the mounting base
There are vertical direction pin hole and fixation hole, the pin rod is socketed in pin hole, and the fixation hole is for fixing mounting base and fixture
Connection, the side wall of mounting base are equipped with the second mounting hole for extending to pin hole, and the fixing piece is extended to through the second mounting hole
In first mounting hole, pin rod is fixedly connected with mounting base, through the above technical solutions, it is avoided that indent occurs for datum level A, into
And positioning pin is made to meet the installation requirement of parts to be processed.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of positioning pin described in the utility model background technique；
Fig. 2 is the structural schematic diagram of Split Positioning pin described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the pin rod of Split Positioning pin described in the utility model embodiment；
Fig. 4 is the structural schematic diagram of Split Positioning pin described in the utility model embodiment；
Fig. 5 is the top view of Split Positioning pin described in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of Split Positioning pin, which is characterized in that including,
Pin rod 1, the lower end of the pin rod 1 are equipped with the first datum level B, and upper end is equipped with determines with what part to be processed matched
The side wall in position portion 11, the pin rod 1 is equipped with the first mounting hole 12；
Mounting base 2, the lower surface of the mounting base 2 are equipped with the second datum level A, and the mounting base 2 is equipped with vertical direction
Pin hole 21 and fixation hole 22, the pin rod 1 are socketed in pin hole 21, and the fixation hole 22 is for fixing mounting base 2 with fixture
Connection, the side wall of mounting base 2 are equipped with the second mounting hole 23 for extending to pin hole 21；
Fixing piece, the fixing piece extends in the first mounting hole 12 through the second mounting hole 23, by pin rod 1 and mounting base
2 are fixedly connected.
Pin rod 1 and mounting base 2 are split as two parts, pin rod 1 and mounting base 2 can be processed individually, and then make benchmark
Face A and datum level B can be processed individually, avoid datum level A that indent occurs, and then positioning pin is made to meet the installation of parts to be processed
It is required that.
The fixation hole 22 is set as two, and mounting base 2 is made to connect with fixture more firm.
The fixation hole 22 is set as different diameter hole, and the internal diameter in the upper hole of different diameter hole is greater than the lower opening internal diameter of different diameter hole, solid
Determine to be arranged in hole 22 bolt when being attached mounting base 2 and fixture, since bolt includes nut and screw rod, fixation hole 22 is set
Being set to different diameter hole can make nut sink to the upper surface of mounting base 2 hereinafter, being convenient for the processing of part.
The second datum level A is 1/4 round, and in the small part of processing volume, the mounting base 2 of 1/4 round can
Preferably to cooperate with other mechanisms on fixture, such as oil cylinder, supporting block.
The pin hole 21 gets close to center of circle setting, and the fixation hole 22 gets close to circumference setting, facilitates the oil on pin rod 1 and fixture
Cylinder preferably cooperates.
The upper area of the fixation hole 22 is set as the slope 24 extended to circumferencial direction, can make the outer rim of mounting base 2
Easily facilitate the processing of part.
The fixing piece is set as bolt, is connected firmly and structure is simple, at low cost.
The advantages of the utility model is implemented: the utility model provides a kind of Split Positioning pin, including pin rod, mounting base
And fixing piece, the lower end of the pin rod are equipped with the first datum level, upper end is equipped with the positioning region matched with part to be processed, institute
The side wall for stating pin rod is equipped with the first mounting hole, and the lower surface of the mounting base is equipped with the second datum level, sets in the mounting base
There are vertical direction pin hole and fixation hole, the pin rod is socketed in pin hole, and the fixation hole is for fixing mounting base and fixture
Connection, the side wall of mounting base are equipped with the second mounting hole for extending to pin hole, and the fixing piece is extended to through the second mounting hole
In first mounting hole, pin rod is fixedly connected with mounting base, through the above technical solutions, it is avoided that indent occurs for datum level A, into
And positioning pin is made to meet the installation requirement of parts to be processed.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any those skilled in the art is in technical scope disclosed by the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (7)
1. a kind of Split Positioning pin, which is characterized in that including,
Pin rod, the lower end of the pin rod are equipped with the first datum level, and upper end is equipped with the positioning region matched with part to be processed, institute
The side wall for stating pin rod is equipped with the first mounting hole；
Mounting base, the lower surface of the mounting base are equipped with the second datum level, and the mounting base is equipped with vertical direction pin hole and admittedly
Determine hole, the pin rod is socketed in pin hole, and the fixation hole is for mounting base to be fixedly connected with furniture, on the side wall of mounting base
Equipped with the second mounting hole for extending to pin hole；
Fixing piece, the fixing piece extend in the first mounting hole through the second mounting hole, pin rod are fixedly connected with mounting base.
2. Split Positioning pin according to claim 1, which is characterized in that the fixation hole is set as two.
3. Split Positioning pin according to claim 1, which is characterized in that the fixation hole is set as different diameter hole, and reducing
The internal diameter in the upper hole in hole is greater than the lower opening internal diameter of different diameter hole.
4. Split Positioning pin according to claim 1-3, which is characterized in that second datum level is 1/4
Round.
5. Split Positioning pin according to claim 4, which is characterized in that the pin hole gets close to center of circle setting, described solid
Determine hole and gets close to circumference setting.
6. Split Positioning pin according to claim 5, which is characterized in that the upper area of the fixation hole is set as to circle
The slope that circumferential direction extends.
7. Split Positioning pin according to claim 1, which is characterized in that the fixing piece is set as bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106335.1U CN208992210U (en) | 2018-07-12 | 2018-07-12 | A kind of Split Positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106335.1U CN208992210U (en) | 2018-07-12 | 2018-07-12 | A kind of Split Positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208992210U true CN208992210U (en) | 2019-06-18 |
Family
ID=66796533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106335.1U Active CN208992210U (en) | 2018-07-12 | 2018-07-12 | A kind of Split Positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208992210U (en) |
-
2018
- 2018-07-12 CN CN201821106335.1U patent/CN208992210U/en active Active
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| GR01 | Patent grant |