CN218629466U

CN218629466U - Self-centering rotating device for quick clamping

Info

Publication number: CN218629466U
Application number: CN202222539447.9U
Authority: CN
Inventors: 曹志芬; 刘魁成
Original assignee: Weichai Torch Technology Co ltd
Current assignee: Weichai Torch Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-03-14
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a quick clamping is from centering rotary device, include: the core shaft is provided with a vertical inner hole at the head part, a belt pulley sleeved at the lower part of the core shaft, a shaft sleeve sleeved outside the core shaft and a core rod inserted into the vertical inner hole, the head part of the core shaft is also provided with a horizontal centering hole, the clearance distance between the centering hole and the core rod is within 0.02, the concentricity can be automatically ensured, a product to be detected is sleeved on the core rod, and the belt pulley rotates to drive the core shaft, the core rod and the product to be detected to rotate; the utility model provides a centering unstability, the easy not hard up problem during the clamping, the utility model discloses can find the work piece centre of a circle automatically and guaranteed the unified self-centering device of concentricity and position degree, its simple structure, convenient operation, laborsaving saving time, cost are lower, and whole frock does not receive the mounted position restriction, can promote detection efficiency by a wide margin.

Description

Self-centering rotating device for quick clamping

Technical Field

The utility model relates to a clamping technical field specifically is a quick clamping is from centering rotary device.

Background

The spark plug porcelain piece is a part produced in large batch, and the external microstructure of the porcelain piece is observed and detected through visual detection, whether defects exist is observed, and whether the use requirements are met is judged. When carrying out visual detection at present, rotatory formation of image is carried out with the porcelain piece clamping to one of them line scanning station, and the detection camera is high to the requirement of axiality between porcelain piece and the anchor clamps, just can guarantee the clean out of its formation of image. In the prior art, a matching part of an ER11 collet chuck is adopted to clamp a porcelain, but some problems exist in practical use, firstly, the centering between the porcelain and the matching part is unstable, and after the porcelain is clamped, each station needs to be calibrated by striking a meter; secondly, the core rod is easy to deform and wear in use, the centering variation is large, and the detection requirement of a detection camera cannot be met; then, the ceramic piece is easy to loosen during clamping, so that the coaxiality between the ceramic piece and the clamp is inaccurate.

The patent with publication number CN114235693A discloses a porcelain tube detects auxiliary device, the device includes the base, location strutting arrangement and rotation support head, the base is fixed on detecting the mesa, location strutting arrangement includes square bracer and connecting rod, square bracer one end is fixed on the base, the other end has the auricle, through the round pin hub connection on the bottom auricle of connecting rod, a plurality of hemispherical grooves have on the auricle of square bracer, the auricle bottom of connecting rod has the notch, be provided with the spring in the notch, spring end connection has a steel ball, the steel ball is located the auricle bottom, and can get into the different spherical inslots of auricle to make the axis of connecting rod and square bracer present a plurality of different angles, rotation support head passes through the bearing and installs the connecting rod top, rotation support head top is fixed with the clamping head, be provided with a plurality of clamping structures on the clamping head, the clamping head centering of patent is unstable, easily becomes flexible during the clamping.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art clamping product in-service use effect not good, centering unstable, core bar in use warp easily, wearing and tearing, the easy not hard up problem during the clamping provides a quick clamping is from centering rotary device.

The utility model adopts the technical proposal that:

a quick-clamp self-centering swivel arrangement, comprising: the head of the mandrel is provided with a mandrel with a vertical inner hole, a belt pulley sleeved on the lower portion of the mandrel, a shaft sleeve sleeved outside the mandrel and a core rod inserted into the vertical inner hole, the head of the mandrel is further provided with a horizontal centering hole, the clearance distance between the centering hole and the core rod is within 0.02, concentricity can be automatically guaranteed, a product to be detected is sleeved on the core rod, and the belt pulley rotates to drive the mandrel, the core rod and the product to be detected to rotate.

Furthermore, the head of the mandrel is an inverted cone and is an elastic chuck, and the elastic chuck can reduce deformation and abrasion when the core rod is fixed, so that the protection effect is achieved.

Furthermore, the periphery of the inverted cone is provided with a plurality of slotting positions for clamping the core rod.

Furthermore, the back taper body fixes the core rod through a locking nut to prevent loosening.

Furthermore, the belt pulley is connected with the mandrel through a key block, so that the mandrel and the belt pulley rotate synchronously.

Further, a flat washer and a nut for preventing the belt pulley from slipping out are arranged below the belt pulley.

Further, a belt pulley supporting sleeve is arranged on the belt pulley and used for positioning the belt pulley and the bearing.

Further, a bearing for reducing friction is arranged between the shaft sleeve and the mandrel.

Furthermore, a hole retainer ring used for bearing limiting is arranged below the bearing.

Furthermore, the top of the shaft sleeve is provided with a gland, and two ends of the gland are fixed with the shaft sleeve through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a reasonable structural design provides one kind and can find work piece centre of a circle (center) automatically and guaranteed the unified self-centering device of concentricity and position degree, its simple structure, convenient operation, laborsaving saving time, the cost is lower, and the collet of dabber can guarantee the concentricity automatically moreover, is difficult not hard up, has also reduced the core bar and has warp, wearing and tearing, and whole frock does not receive the mounted position restriction, can promote detection efficiency by a wide margin, reduces the recruitment cost of enterprise.

Drawings

FIG. 1 is a schematic structural view of a fast-clamping self-centering rotating device;

FIG. 2 is a schematic diagram of a fast-clamping self-centering rotating device;

FIG. 3 is a schematic view of a mandrel structure of a fast-clamping self-centering rotating device;

FIG. 4 is a schematic view of a mandrel head of a rapid clamping self-centering rotating device;

fig. 5 is a schematic structural view of a lock nut of the fast clamping self-centering rotating device.

In the figure: 1. a nut; 2. a flat washer; 3. a key block; 4. a belt pulley; 5. a pulley support sleeve; 6. a shaft sleeve; 7. a retainer ring for a bore; 8. a bearing; 9. a gland; 10. a mandrel; 11. locking the nut; 12. a core bar; 13. and (5) producing the product.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Referring to fig. 1 to 5, the present invention provides an embodiment: a quick-clamp, self-centering rotary device, comprising: mandrel 10, belt pulley 4, axle sleeve 6, core bar 12.

The core shaft comprises a core shaft 10 and is characterized in that a vertical inner hole is formed in the head of the core shaft 10, the head of the core shaft 10 is an inverted cone and is an elastic chuck, a plurality of grooving positions used for clamping a core rod 12 are arranged on the periphery of the inverted cone, the inverted cone fixes the core rod 12 through a locking nut 11, a horizontal centering hole is further formed in the head of the core shaft 10, the clearance distance between the centering hole and the core rod 12 is within 0.02, the positioning length of a shaft rod is half the height of a product 13 to be detected, and the depth of the inner hole of the core shaft 10 is equal to the positioning length of the core rod 12 plus the length of the locked inverted cone.

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, the belt pulley 4 drives the mandrel 10 to synchronously rotate, the shaft sleeve 6 is sleeved outside the mandrel 10, the core bar 12 is inserted into the vertical inner hole, the product 13 to be detected is sleeved on the core bar 12, and the belt pulley 4 rotates to drive the mandrel 10, the core bar 12 and the product 13 to be detected to rotate.

The specific implementation mode is as follows:

the device is fixed on a turntable, a product 13 to be detected is sleeved on a core rod 12, the centering is carried out automatically, an external device drives a belt pulley 4 to rotate, then a core shaft 10, the core rod 12 and the product 13 to be detected are driven to rotate, and the product 13 is subjected to rotary imaging through visual detection.

Example 2

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a quick-clamp, self-centering rotary device, comprising: mandrel 10, belt pulley 4, axle sleeve 6, core bar 12.

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, and further, the belt pulley 4 is connected with the mandrel 10 through the key block 3, so that the mandrel 10 and the belt pulley 4 rotate synchronously.

The shaft sleeve 6 is sleeved outside the mandrel 10, the core bar 12 is inserted into the vertical inner hole, the product 13 to be detected is sleeved on the core bar 12, and the belt pulley 4 rotates to drive the mandrel 10, the core bar 12 and the product 13 to be detected to rotate.

The specific implementation mode is as follows:

Example 3

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, the belt pulley 4 drives the mandrel 10 to synchronously rotate, and further, a flat washer 2 and a nut 1 which prevent the belt pulley 4 from sliding out are arranged below the belt pulley 4.

The specific implementation mode is as follows:

Example 4

Referring to fig. 1 to 3, the present invention provides an embodiment of: a quick-clamp self-centering swivel arrangement, comprising: mandrel 10, belt pulley 4, axle sleeve 6, core bar 12.

The core shaft structure is characterized in that a vertical inner hole is formed in the head of the core shaft 10, the head of the core shaft 10 is an inverted cone and is an elastic chuck, a plurality of grooving positions used for clamping the core rod 12 are arranged on the periphery of the inverted cone, the inverted cone fixes the core rod 12 through a locking nut 11, a horizontal centering hole is further formed in the head of the core shaft 10, the gap distance between the centering hole and the core rod 12 is within 0.02, the positioning length of a shaft rod is half of the height of a product 13 to be detected, and the depth of the inner hole of the core shaft 10 is equal to the positioning length of the core rod 12 plus the length of the locked inverted cone.

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, the belt pulley 4 drives the mandrel 10 to synchronously rotate, the shaft sleeve 6 is sleeved outside the mandrel 10, furthermore, a bearing 8 for reducing friction is arranged between the shaft sleeve 6 and the mandrel 10, and a hole retainer ring 7 for limiting the bearing 8 is arranged below the bearing 8.

The core rod 12 is inserted into the vertical inner hole, the product 13 to be detected is sleeved on the core rod 12, and the belt pulley 4 rotates to drive the core shaft 10, the core rod 12 and the product 13 to be detected to rotate.

The specific implementation mode is as follows:

the device is fixed on a turntable, a product 13 to be detected is sleeved on a core bar 12, the centering is carried out automatically, an external device drives a belt pulley 4 to rotate, further, a core shaft 10, the core bar 12 and the product 13 to be detected are driven to rotate, and the product 13 is subjected to rotary imaging through visual detection.

Example 5

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a quick-clamp self-centering swivel arrangement, comprising: mandrel 10, belt pulley 4, axle sleeve 6, core bar 12.

The core shaft structure is characterized in that a vertical inner hole is formed in the head of the core shaft 10, the head of the core shaft 10 is an inverted cone and is an elastic chuck, a plurality of grooving positions used for clamping the core rod 12 are arranged on the periphery of the inverted cone, the inverted cone fixes the core rod 12 through a locking nut 11, a horizontal centering hole is further formed in the head of the core shaft 10, the gap distance between the centering hole and the core rod 12 is within 0.02, the positioning length of the shaft rod is half of the height of a product 13 to be detected, and the depth of the inner hole of the core shaft 10 is equal to the positioning length of the core rod 12 plus the locking cone length.

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, the belt pulley 4 drives the mandrel 10 to synchronously rotate, and further, a belt pulley supporting sleeve 5 is arranged on the belt pulley 4 and used for positioning the belt pulley 4.

The specific implementation mode is as follows:

Example 6

Referring to fig. 1 to 5, the present invention provides an embodiment of: a quick-clamp self-centering swivel arrangement, comprising: mandrel 10, belt pulley 4, axle sleeve 6, core bar 12.

The belt pulley 4 is sleeved on the lower portion of the mandrel 10, the belt pulley 4 drives the mandrel 10 to synchronously rotate, the shaft sleeve 6 is sleeved outside the mandrel 10, furthermore, a gland 9 is arranged at the top of the shaft sleeve 6, two ends of the gland 9 are fixed with the shaft sleeve 6 through screws, and the gland is used for limiting a bearing 8.

The specific implementation mode is as follows:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims

1. A quick clamping self-centering rotating device is characterized by comprising: the head of the core shaft is provided with a core shaft with a vertical inner hole, a belt pulley sleeved at the lower part of the core shaft, a shaft sleeve sleeved outside the core shaft and a core rod inserted into the vertical inner hole, the head of the core shaft is also provided with a horizontal centering hole, the clearance distance between the centering hole and the core rod is within 0.02, the core rod is sleeved with a product to be detected, and the belt pulley rotates to drive the core shaft, the core rod and the product to be detected to rotate.

2. The quick-clamping self-centering rotating device according to claim 1, wherein the head of the mandrel is an inverted cone.

3. The quick-clamping self-centering rotating device according to claim 2, wherein a plurality of slotting positions for clamping the core rod are arranged on the periphery of the inverted cone.

4. The quick-clamping self-centering rotating device according to claim 2, wherein the inverted cone fixes the core rod through a lock nut.

5. The quick-clamp self-centering rotating device according to claim 1, wherein the pulley is connected with the spindle through a key block.

6. The quick-clamping self-centering rotating device as claimed in claim 1, wherein a flat washer and a nut for preventing the pulley from slipping out are arranged below the pulley.

7. The quick-clamping self-centering rotating device according to claim 1, wherein a pulley support sleeve for positioning the pulley and the bearing is arranged on the pulley.

8. The device of claim 1, wherein a friction reducing bearing is disposed between the sleeve and the spindle.

9. The quick-clamping self-centering rotating device according to claim 8, wherein a hole retainer ring for limiting the bearing is arranged below the bearing.

10. The quick-clamping self-centering rotating device according to claim 1, wherein a gland is arranged at the top of the shaft sleeve.