CN213439182U - Expansion sleeve type center positioning mechanism - Google Patents
Expansion sleeve type center positioning mechanism Download PDFInfo
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- CN213439182U CN213439182U CN202020851110.XU CN202020851110U CN213439182U CN 213439182 U CN213439182 U CN 213439182U CN 202020851110 U CN202020851110 U CN 202020851110U CN 213439182 U CN213439182 U CN 213439182U
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- expanding sleeve
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Abstract
The utility model discloses an expansion sleeve type center positioning mechanism, it includes: the expansion sleeve is arranged on the supporting seat in a lifting and adjusting mode and provides a central positioning through hole with a variable diameter; the inlet end of the expansion sleeve is provided with a guide assembly, and the expansion sleeve is provided with a first locking assembly; the outer sleeve is sleeved on the outer wall of the expansion sleeve and is matched with the first locking component to drive the central positioning through hole in the expansion sleeve to compress or loosen. The utility model provides an expansion sleeve type center positioning mechanism, through the overcoat of rotatory expansion sleeve, compress and loosen the expansion sleeve according to the diameter size of work piece, adjust the work piece of bearing or gyro wheel and different specifications to the elasticity degree of work piece contact and fix a position, easy and simple to handle, easy adjustment, ensured the steady of work piece transmission and avoided the emergence of vibration.
Description
Technical Field
The utility model belongs to the technical field of frock clamp, concretely relates to cover formula central positioning mechanism rises.
Background
In an automatic wiring device, a requirement for positioning a thin rod or a wire often occurs, and a generally adopted method includes a fixed guide sleeve, a clamping roller and the like. When the scheme is applied, when the specification of the product is changed, the structure is somewhat complicated and complex and is not easy to adjust.
Therefore, the problem to be solved in the field is to provide a positioning mechanism scheme which is simple in structure and convenient and fast to operate.
SUMMERY OF THE UTILITY MODEL
Positioning mechanism exists the structure complicacy among the equipment to current automatic line, complex operation's problem, the utility model provides an expansion sleeve formula center positioning mechanism, its simple structure and simple operation.
In order to achieve the above object, the utility model provides an expansion sleeve type center positioning mechanism, include: the expansion sleeve is arranged on the supporting seat in a lifting and adjusting mode and provides a central positioning through hole with a variable diameter; the inlet end of the expansion sleeve is provided with a guide assembly, and the expansion sleeve is provided with a first locking assembly; the outer sleeve is arranged on the outer wall of the expansion sleeve in a rotating mode and is matched with the first locking component to drive the central positioning through hole in the expansion sleeve to compress or release.
Furthermore, the expansion sleeve can be distributed in any angle state according to requirements.
Furthermore, a mounting groove or a hole is formed in the support seat, and the outlet end of the expansion sleeve is adjustably mounted in the mounting groove or the hole through a second locking assembly.
Further, the first locking assembly is a locking nut.
Further, the second locking component is a locking nut.
Further, the inlet end of the expansion sleeve is set to be conical, a through groove with rebound resilience is formed in the outer wall of the conical shape, the outlet end of the expansion sleeve is set to be a cylinder, and threads are arranged on the outer wall of the cylinder.
Furthermore, the inlet end of the inner hole of the outer sleeve is arranged to be in an inner conical shape, the outlet end of the outer sleeve is arranged to be an internal thread, and the outer sleeve can adjust the aperture of the expansion sleeve by moving back and forth along the axis of the expansion sleeve.
Further, the direction subassembly includes a plurality of direction wheelsets and placer frame, a plurality of direction wheelsets are settled at the entry end of the cover that rises through the placer frame, and a plurality of direction wheelsets distribute along the entry end circumference of the cover that rises.
Furthermore, the plurality of guide wheel sets are uniformly distributed along the circumferential direction of the inlet end of the expansion sleeve.
Further, the guide wheel set is a bearing or a roller.
The utility model provides an expansion sleeve type center positioning mechanism, through the overcoat on the cover that rises in the rotation, compress and loosen the cover that rises according to the diameter size of work piece, adjust the elasticity degree with the work piece contact, can realize fixing a position the work piece of different specifications, ensured the steady of work piece transmission and avoided the emergence of vibration.
Additionally, the utility model provides an overall structure of cover formula central positioning mechanism that rises is compact, easy and simple to handle, easy adjustment to workable, with low costs, occupation space are little.
Furthermore, the utility model provides an at the during operation of cover formula central positioning mechanism rises, owing to with the work piece contact be that bearing or gyro wheel belong to rolling contact, consequently avoided the injury to workpiece surface.
Drawings
The invention is further described with reference to the following drawings and detailed description.
Fig. 1 is a schematic side view of the expanding sleeve type center positioning mechanism in the present embodiment;
fig. 2 is a schematic top view of the expanding sleeve type center positioning mechanism in the present embodiment;
fig. 3 is a rear view structural schematic diagram of the expanding sleeve type center positioning mechanism in the present embodiment;
fig. 4 is a schematic overall structure diagram of the expanding sleeve type center positioning mechanism in this embodiment.
The reference numbers in the figures illustrate: the device comprises a supporting seat 1, a mounting part 1-1, a mounting groove 1-2, an outer sleeve 2, an expansion sleeve 3, a bearing or roller 4, a first locking nut 5, a second locking nut 6, a placing frame 7 and a clamping jaw 7-1.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1 to 4, the expanding sleeve type centering mechanism provided in this example mainly includes a support base 1, an outer sleeve 2, an expanding sleeve 3, a bearing or a roller 4, a first lock nut 5 and a second lock nut 6.
Wherein, the supporting seat 1 is used as a basic component of the whole mechanism and is used for arranging other components.
By way of example, the support seat 1 is provided with mounting portions 1-1, the mounting portions 1-1 are vertically distributed, and a U-shaped mounting groove 1-2 is formed in the mounting portions for accommodating the expansion sleeve 3, and the expansion sleeve 3 can be adjusted up and down in the U-shaped mounting groove 1-2 conveniently.
The specific arrangement scheme of the mounting part 1-1 and the U-shaped mounting groove 1-2 can be determined according to actual requirements, as long as the expansion sleeve 3 arranged in the mounting part can be adjusted, and the center of the expansion sleeve type center positioning mechanism can be consistent with the center of a production line.
The expansion sleeve 3 is arranged in the upper U-shaped mounting groove 1-2 of the supporting seat in a lifting adjustment mode and provides a central positioning through hole with a variable diameter.
By way of example, the expansion sleeve 3 is provided with a through hole extending from one bottom end to the other bottom end along the axial direction thereof for accommodating a workpiece; on the basis, a central positioning through hole with variable diameter is formed.
The inlet end of the expansion sleeve 3 is arranged to be conical, a plurality of through grooves are uniformly formed in the circumference, the expansion sleeve has resilience, and the outlet end is arranged to be a cylinder, is provided with threads on the outer wall of the cylinder and is used for installing the first locking nut 5, the second locking nut 6 and the outer sleeve 2.
The inlet end of the expansion sleeve 3 with the structure is provided with a plurality of bearings or rollers 4 for forming roller guide for the workpiece inserted into the expansion sleeve 3; and the outlet end of the expansion sleeve 3 is used as a mounting end and is adjustably arranged in the upper U-shaped mounting groove 1-2 of the supporting seat through a second locking nut 6, and the expansion sleeve 3 is distributed in a required state.
The second locking nut 6 is used for installing the locking nut to adjust the tightness between the outlet end of the expansion sleeve 3 and the U-shaped mounting groove 1-2, so that the expansion sleeve 3 can move up and down in the U-shaped mounting groove 1-2.
Further, the first lock nut 5 is provided on the outer wall of the expansion sleeve 3, and the outer sleeve 2 is further provided on the outer wall of the expansion sleeve 3, and the outer sleeve 2 can rotate around the expansion sleeve 3 to cooperate with the first lock nut 5 to drive the central positioning through hole in the expansion sleeve to compress or release.
For example, the inner hole inlet end of the outer sleeve 2 is arranged to be in an inner conical shape to match with the cone of the expansion sleeve 3, the inner hole outlet end is arranged to be in an inner thread to match with the thread on the outer wall of the expansion sleeve 3, and the outer wall of the outer sleeve 2 is provided with longitudinally uniformly distributed grooves or planes to facilitate the clamping of a tool to rotate the outer sleeve 2; the outlet end of the outer sleeve 2 is in contact with the first locking nut 5, the inner cone of the inlet end is in conical contact with the expansion sleeve 3, and the outer sleeve 2 and the first locking nut 5 are screwed on the expansion sleeve 3 through threads; when the outer sleeve 2 is rotated, the outer sleeve 2 can move back and forth along the axis of the expansion sleeve 3, when the outer sleeve 2 moves forward, the inner cone of the outer sleeve 2 extrudes the conical surface of the expansion sleeve 3 to enable the expansion sleeve 3 to contract inwards, and when the outer sleeve 2 moves backwards, the expansion sleeve 3 is opened under the action of resilience to achieve the purpose of adjusting the aperture; when the expansion sleeve 3 reaches the required aperture, the first locking nut 5 and the outer sleeve 2 are locked to ensure that the aperture is unchanged.
In order to avoid the injury to the surface of the workpiece, the present embodiment is provided with a plurality of bearings or rollers 4 at the inlet end of the expansion sleeve 3 for forming roller guide for the workpiece inserted into the expansion sleeve 3, wherein the bearings or rollers 4 form a guide assembly with respect to the workpiece inlet of the expansion sleeve 3, and are in rolling fit and guide with the workpiece.
In particular, here, a plurality of bearings or rollers 4 are arranged at the inlet end of the expanding sleeve through corresponding arrangement frames 7 and are distributed along the circumferential direction of the inlet end of the expanding sleeve. Here, it is preferred that the plurality of bearings or rollers 4 are symmetrically distributed in groups of two.
By way of example, the illustrated embodiment uses 4 bearings or rollers 4, divided into two groups, each group being symmetrically distributed with respect to the inlet of the expansion sleeve.
The rest 7 here comprises 4 groups of jaws, each consisting of two jaws 7-1 arranged perpendicular to each other.
One of the jaws of each set of jaws is arranged in parallel with one of the jaws of the other set of adjacent jaws, and a bearing or roller 4 is arranged between the two parallel jaws.
One end of each clamping jaw is a small head and is fixedly connected with the expansion sleeve 3, the other end of each clamping jaw is a large head and is connected with a bearing or a roller 4 through a screw, and the bearing or the roller 4 can rotate relative to the two clamping jaws which are parallel to each other.
With the structure, when the expansion sleeve type center positioning mechanism is used specifically, the support seat 1 can be installed on the platform for connection, and the second lock nut 6 can be loosened, so that the U-shaped installation groove 1-2 of the expansion sleeve 3 on the support seat 1 can be adjusted up and down, and the center of the expansion sleeve type center positioning mechanism is adjusted to be consistent with the center of a production line. Then the workpiece passes through the middle of the expansion sleeve 3, the expansion sleeve 3 is compressed and loosened according to the diameter of the workpiece by rotating the outer sleeve 2 of the expansion sleeve 3, the tightness degree of the contact between the bearing or the roller 4 and the workpiece is adjusted, and finally the second lock nut 6 is screwed to finish the adjustment.
The utility model provides an expansion sleeve type center positioning mechanism, through the overcoat of rotatory expansion sleeve, compress and loosen the expansion sleeve according to the diameter size of work piece, adjust the work piece of bearing or gyro wheel and different specifications to the elasticity degree of work piece contact and fix a position, easy and simple to handle, easy adjustment, ensured the steady of work piece transmission and avoided the emergence of vibration.
The utility model provides an expansion sleeve type center positioning mechanism, compact structure, workable, with low costs, occupation space are little.
The utility model provides an at the during operation of cover formula center positioning mechanism that rises, because with the work piece contact be that bearing or gyro wheel belong to rolling contact, consequently avoided the injury to workpiece surface.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Rise set formula centering mechanism, its characterized in that includes: the expansion sleeve is arranged on the supporting seat in a lifting and adjusting mode and provides a central positioning through hole with a variable diameter; the inlet end of the expansion sleeve is provided with a guide assembly, and the expansion sleeve is provided with a first locking assembly; the outer sleeve is arranged on the outer wall of the expansion sleeve in a rotating mode and is matched with the first locking component to drive the central positioning through hole in the expansion sleeve to compress or release.
2. The expanding sleeve type centering mechanism as claimed in claim 1, wherein said expanding sleeve can be distributed in any angular state.
3. The expanding sleeve type center positioning mechanism according to claim 1, wherein the supporting seat is provided with a mounting groove or a hole, and the outlet end of the expanding sleeve is adjustably mounted in the mounting groove or the hole through a second locking component.
4. The expanding sleeve centering mechanism of claim 1, wherein the first locking component is a lock nut.
5. The expanding sleeve centering mechanism of claim 3, wherein the second locking component is a lock nut.
6. The expansion sleeve type center positioning mechanism as claimed in claim 1 or 2, wherein the inlet end of the expansion sleeve is set to be conical, the conical outer wall is provided with a resilient through groove, the outlet end of the expansion sleeve is set to be cylindrical, and the cylindrical outer wall is provided with threads.
7. The expanding sleeve type centering mechanism according to claim 1, wherein the inlet end of the inner hole of the outer sleeve is provided with an inner taper, the outlet end of the outer sleeve is provided with an inner thread, and the outer sleeve adjusts the aperture of the expanding sleeve by moving back and forth along the axis of the expanding sleeve.
8. The expanding sleeve type center positioning mechanism according to claim 1, wherein the guide assembly comprises a plurality of guide wheel sets and a placement frame, the plurality of guide wheel sets are placed at the inlet end of the expanding sleeve through the placement frame, and the plurality of guide wheel sets are circumferentially distributed along the inlet end of the expanding sleeve.
9. The expanding sleeve type centering mechanism as claimed in claim 8, wherein said plurality of guiding roller sets are uniformly distributed along the circumference of the inlet end of the expanding sleeve.
10. The expanding sleeve type centering mechanism as claimed in claim 8 or 9, wherein said guiding wheel set is a bearing or a roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851110.XU CN213439182U (en) | 2020-05-20 | 2020-05-20 | Expansion sleeve type center positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851110.XU CN213439182U (en) | 2020-05-20 | 2020-05-20 | Expansion sleeve type center positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213439182U true CN213439182U (en) | 2021-06-15 |
Family
ID=76289166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851110.XU Active CN213439182U (en) | 2020-05-20 | 2020-05-20 | Expansion sleeve type center positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213439182U (en) |
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2020
- 2020-05-20 CN CN202020851110.XU patent/CN213439182U/en active Active
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