CN212145378U - Elastic positioning pin mechanism - Google Patents
Elastic positioning pin mechanism Download PDFInfo
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- CN212145378U CN212145378U CN202020264401.9U CN202020264401U CN212145378U CN 212145378 U CN212145378 U CN 212145378U CN 202020264401 U CN202020264401 U CN 202020264401U CN 212145378 U CN212145378 U CN 212145378U
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Abstract
The utility model discloses an elastic locating pin mechanism belongs to machining work piece technical field. The elastic positioning pin mechanism comprises a body, an elastic component, a positioning pin and a guide pin, wherein a working hole and a guide hole are formed in the body, the axis of the working hole is vertical to the axis of the guide hole, and the guide hole is communicated with the working hole; the elastic component is placed in the working hole, and the telescopic direction of the elastic component is along the axial direction of the working hole; the side wall of the pin column is provided with a guide groove, and the pin column is placed in the working hole along the telescopic direction of the elastic component; the guide pin is arranged in the guide hole, and the end part of the guide pin is clamped in the guide groove. The elastic positioning pin mechanism can accurately, conveniently and reliably position the workpiece through the blank hole, and can better ensure the machining precision of the workpiece.
Description
Technical Field
The utility model relates to a positioning element for machining, concretely relates to can realize many elastic locating pin mechanisms of freely injecing.
Background
The positioning element is an important component of the tool clamp. If in the first processing worker of casing class part, often fix a position through the blank hole on the work piece of treating processing, because work piece blank hole aperture size precision is relatively poor, adopt conventional fixed cylinder (rhombus) locating pin to hardly reach the location purpose, adopt the locating pin that can rise of other mechanisms to have certain requirement (the aperture is little difficult for the preparation) again to the aperture size, so often adopt the appearance location, influence the positioning accuracy that the work piece was processed man-hour.
When treating the processing work piece and fixing a position, traditional fixed one side two round pin positioning mechanism, wherein the locating pin of using includes a cylinder locating pin and a diamond pin structure simple relatively, nevertheless because blank hole precision is relatively poor, and aperture size tolerance is big, leads to positioning accuracy relatively poor, often can not satisfy the production needs.
Disclosure of Invention
To prior art's defect or not enough, the utility model aims to provide an elasticity locating pin mechanism, this elasticity toper locating pin mechanism can carry out comparatively accurate, convenient, reliable location to the work piece through the blank pore pair work piece, the machining precision of assurance work piece that can be better.
Therefore, the utility model provides an elastic positioning round pin mechanism includes:
the device comprises a body, a positioning device and a control device, wherein the body is provided with a working hole and a guide hole, the axis of the working hole is vertical to the axis of the guide hole, and the guide hole is communicated with the working hole;
the elastic component is placed in the working hole, and the stretching direction of the elastic component is along the axial direction of the working hole;
the positioning pin comprises a conical head and a pin column, a guide groove is formed in the side wall of the pin column, and the pin column is placed in the working hole along the telescopic direction of the elastic component; and the combination of (a) and (b),
further, the body is provided with a boss for fixedly mounting the body, and the boss is provided with a mounting hole.
Preferably, the boss and the guide hole are located on the same cross section.
In some schemes, the working hole penetrates through the body, and a plug is arranged at the bottom end of the working hole.
Optionally, the conical head is conical or oblate.
Further, the guide groove is formed along the axial direction of the pin column.
Optionally, the elastic component is a spring.
Further, the elastic positioning pin mechanism further comprises a bushing, and the bushing is located between the working hole and the pin column and located at the end of the working hole.
Adopt the utility model discloses a during locating pin mechanism location, the drill way edge in tight blank hole is pasted to the taper pin through elastic locating pin mechanism, under the effect of gravity and clamping force, thereby the circular cone locating pin in the mechanism and the flat cone locating pin lapse reach the same location effect with ordinary one side two round pins of pasting tight supporting shoe, can be stable, reliable, convenient fix a position the work piece, play the purpose the same with fixed locating pin.
Drawings
FIG. 1 is a schematic structural view of the elastic positioning pin mechanism of the present invention;
FIG. 2(b) is a positioning pin whose tapered head is conical, FIG. 2(a) is a right side view of FIG. 2(b), and FIG. 2(c) is a sectional view taken along line A-A of FIG. 2 (a);
FIG. 3(b) is a positioning pin whose tapered head is in a flat tapered shape, FIG. 3(a) is a right side view of FIG. 3(b), and FIG. 3(c) is a sectional view taken along line A-A of FIG. 3 (a);
FIG. 4 is a diagram illustrating the usage of the elastic positioning pin mechanism of the present invention;
fig. 5 is a schematic structural view of the usage state of the elastic positioning pin mechanism of the present invention, and the workpiece to be processed and the related structure are represented by dotted lines in the figure.
In the figure: the machining method comprises the following steps of 1-positioning pin, 2-bushing, 3-body, 4-guide pin, 5-elastic component, 6-plug, 7-body, 8-boss, 9-mounting hole, 11-conical head, 12, 15-pin column, 13, 16-guide groove, 14-flat conical head, 101-workpiece to be machined, 102-supporting block and 103-blank hole.
Detailed Description
The following definitions apply to terms used in this specification unless otherwise limited by special circumstances. Moreover, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present valve belongs. In case of conflict, the present specification, including definitions, will control.
For the purposes of the present invention, some terms used in the present document have the following meanings: as used herein, the directional terms "upper", "lower", "side", "bottom", "circumferential", "axial", "radial" correspond to a particular direction on the page of the drawings of the specification or a corresponding direction in space as shown in the drawings.
It should be explained that:
the utility model discloses a body appearance can be according to treating the structure or the job requirement affirmation of machined part and relevant supplementary anchor clamps, can be for but not limited to cylinder, square column body etc..
The utility model discloses the shape of uide pin can design according to the whole needs of locating pin mechanism, if design into the screw structure.
The utility model discloses a locating pin includes conical head and round pin post two parts structure, and during the use, the round pin post is arranged in installing this internal work hole, and the conical head is installed in the blank hole. In size, the diameter of the small end of the conical head is smaller than that of the workpiece positioning hole, and the diameter of the large end of the conical head is larger than that of the workpiece positioning hole. In terms of appearance, the pin is cylindrical, and the conical head can be designed into a conical shape or a flat conical shape (also called flat conical shape, namely, the same part is cut off from the opposite side of the cone), as shown in fig. 2 and 3 respectively, and correspondingly, according to the shape of the conical head, the pin can be designed into two types of a 'conical elastic locating pin mechanism' and a 'flat conical elastic locating pin mechanism'.
The utility model discloses a seted up the guide way on the lateral wall of locating pin round pin post, seted up the guiding hole on the corresponding body, uide pin or guiding screw install in the guiding hole, and the tip card is in the guide way, and at the during operation, the guide way activity from top to bottom can be followed to the uide pin, and the width that needs the guide way simultaneously matches with uide pin or guiding screw's diameter, avoids the locating pin to rotate at the during operation.
The utility model discloses an elastomeric element is used for adjusting the axial space or the height of locating pin, optional use have flexible function and satisfy the part that the mechanism mechanics required, like the part or the spring etc. of rubber material.
The utility model discloses in the preferred scheme, can establish the bush between working hole and round pin post, and the bush is located the tip of working hole to do not influence guiding hole work and be the prerequisite, the effect of bush is the wearing and tearing that reduce body 3, prolongs the life of mechanism, reduce cost.
The utility model discloses a working hole of seting up on the body is the through-hole in some schemes, and the low side of through-hole is equipped with the end cap, and this end cap can design the structure of being convenient for fixed mounting, has screw thread structure's plug for one's sake.
In order to facilitate installation and fixation in use, the body can be provided with a boss, and the boss is provided with a mounting hole and can be fixedly installed through screws.
The utility model discloses an elasticity toper locating pin mechanism is a whole, if during the preparation anchor clamps, refer to fig. 4 and 5, directly handle the utility model discloses an elasticity toper locating pin mechanism is put into the mounting hole of anchor clamps body 7, can after fixed.
According to the processing requirement, the conical elastic positioning pin mechanism and the flattened conical elastic positioning pin mechanism can be used independently or in a matched manner. Referring to fig. 4 and 5, in particular use,
firstly, hoisting a workpiece 101 to be processed, and aligning a blank hole 103 on the workpiece with a conical head of a positioning pin;
then, the workpiece falls down, and the edge of the orifice of the workpiece blank hole is contacted with a conical head (conical or flat conical); then, the positioning pin 1 compresses the elastic component 5 under the action of the gravity of the workpiece, the positioning pin 1 is guided by the guide pin 4 (or the bushing 2 and the guide pin 4) to move downwards, and the workpiece is tightly attached to the clamp supporting block 102;
in the descending process of the workpiece, the workpiece is acted by the conical head to generate radial component force, the radial component force enables the workpiece to move along the radial direction and automatically align, the consistency of the elastic positioning pin mechanism and the center of the workpiece positioning hole is ensured, and a good positioning effect is achieved.
When the elastic conical positioning pin mechanism with the same positioning pin head structure is used for positioning, the axial and radial freedom degrees of a workpiece can be limited;
the cylindrical head positioning pin mechanism and the flattened conical elastic positioning pin mechanism can limit the axial degree of freedom, the radial degree of freedom and the circumferential degree of freedom of a workpiece when being matched for use, the degree of freedom is specifically selected according to actual needs, and in the aspect of other installation operations, the working process of the flattened conical elastic positioning pin mechanism is the same as that of the conical elastic positioning pin mechanism.
Example (b):
a specific elastic positioning pin mechanism structure is shown in fig. 1, and includes a body 3, a bushing 2, a positioning pin 1, a guide pin 4, a spring 5 and a plug 6, wherein:
the body 3 is provided with a working hole and a guide hole, the working hole is a through hole, the guide hole is formed in the side wall of the working hole, the axis of the guide hole is vertical to the axial direction of the working hole, and the two holes are communicated; a partially protruding boss 8 is arranged on one side of the body or the other side wall of the working hole, and a mounting hole 9 is arranged on the boss and used for fixedly mounting the body or the integral mechanism; more preferably, in order to ensure the stable mechanism and convenient operation in the work, the boss 8 and the guide hole are positioned at the same height;
the positioning pin 1 is composed of two parts of structures, namely a conical head (11, 14) and a conical column (12,15), and the two parts are integrated, as shown in figure 2, the conical head of the positioning pin 1 is conical 11; in another scheme, the conical head of the positioning pin is in a flat cone shape 14; the side wall of the conical column is provided with guide grooves (13,16) for positioning the guide pin 4, the guide grooves are formed along the axial direction of the pin column, and the width meets the requirement of fixing the guide pin in the circumferential direction;
the plug 6 is installed in the bottom of work hole, and bush 2 is installed in the work hole, and is located the upper end of work hole, installs spring 5 and locating pin 1 in the work hole from bottom to top once, and the guide way corresponds with uide pin 4 in the guide hole, and the tip of uide pin 4 is located the guide way promptly.
Claims (8)
1. An elastic positioning pin mechanism, comprising:
the device comprises a body, a positioning device and a control device, wherein the body is provided with a working hole and a guide hole, the axis of the working hole is vertical to the axis of the guide hole, and the guide hole is communicated with the working hole;
the elastic component is placed in the working hole, and the stretching direction of the elastic component is along the axial direction of the working hole;
the positioning pin comprises a conical head and a pin column, a guide groove is formed in the side wall of the pin column, and the pin column is placed in the working hole along the telescopic direction of the elastic component; and the combination of (a) and (b),
and the guide pin is installed in the guide hole, and the end part of the guide pin is clamped in the guide groove.
2. The resilient locating pin mechanism of claim 1 wherein said body is provided with a boss for fixedly mounting the body, the boss being provided with a mounting hole.
3. The resilient dowel mechanism of claim 2, wherein the boss and the pilot hole are located on the same cross section.
4. The resilient locating pin mechanism of claim 1 wherein said working hole extends through said body and a plug is provided at the bottom end of the working hole.
5. The resilient dowel mechanism of claim 1, wherein the tapered head is conical or flat-tapered.
6. The resilient dowel mechanism of claim 1, wherein the guide slots are formed axially of the dowel.
7. The resilient locating pin mechanism of claim 1, wherein said resilient member is a spring.
8. The resilient dowel mechanism of claim 1, further comprising a bushing located between the working bore and the dowel and at an end of the working bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264401.9U CN212145378U (en) | 2020-03-05 | 2020-03-05 | Elastic positioning pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264401.9U CN212145378U (en) | 2020-03-05 | 2020-03-05 | Elastic positioning pin mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN212145378U true CN212145378U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020264401.9U Active CN212145378U (en) | 2020-03-05 | 2020-03-05 | Elastic positioning pin mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828619A (en) * | 2021-03-04 | 2021-05-25 | 一拖(洛阳)柴油机有限公司 | Adjustable fixture positioning device with two pins on one surface and positioning method |
| CN112982760A (en) * | 2021-03-15 | 2021-06-18 | 江苏固德威尔金属制品有限公司 | Split type curtain pin of easily loading and unloading |
| CN113231972A (en) * | 2021-04-30 | 2021-08-10 | 成都飞机工业（集团）有限责任公司 | Method suitable for quickly positioning and clamping parts |
| CN115415816A (en) * | 2022-08-19 | 2022-12-02 | 陕西法士特齿轮有限责任公司 | Vertical equipment clamping tool with shell inner cavity positioning function |
| CN116117199A (en) * | 2023-03-01 | 2023-05-16 | 青岛显新汽车零部件有限公司 | Double-station shaft fork drilling ear hole drilling machine |
-
2020
- 2020-03-05 CN CN202020264401.9U patent/CN212145378U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828619A (en) * | 2021-03-04 | 2021-05-25 | 一拖(洛阳)柴油机有限公司 | Adjustable fixture positioning device with two pins on one surface and positioning method |
| CN112828619B (en) * | 2021-03-04 | 2023-02-17 | 一拖(洛阳)柴油机有限公司 | Adjustable fixture positioning device with two pins on one surface and positioning method |
| CN112982760A (en) * | 2021-03-15 | 2021-06-18 | 江苏固德威尔金属制品有限公司 | Split type curtain pin of easily loading and unloading |
| CN113231972A (en) * | 2021-04-30 | 2021-08-10 | 成都飞机工业（集团）有限责任公司 | Method suitable for quickly positioning and clamping parts |
| CN115415816A (en) * | 2022-08-19 | 2022-12-02 | 陕西法士特齿轮有限责任公司 | Vertical equipment clamping tool with shell inner cavity positioning function |
| CN115415816B (en) * | 2022-08-19 | 2023-12-08 | 陕西法士特齿轮有限责任公司 | Immediately, add equipment centre gripping frock with casing inner chamber locate function |
| CN116117199A (en) * | 2023-03-01 | 2023-05-16 | 青岛显新汽车零部件有限公司 | Double-station shaft fork drilling ear hole drilling machine |
| CN116117199B (en) * | 2023-03-01 | 2023-12-01 | 青岛显新汽车零部件有限公司 | Double-station shaft fork drilling ear hole drilling machine |
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