CN217513365U - Three-way joint clamping device - Google Patents

Abstract

The application relates to the field of lathe machining, in particular to a three-way joint clamping device. Three way connection clamping device includes first clamping part and second clamping part, first clamping part with the second clamping part all is provided with the portion of holding that is used for holding three way connection, first clamping part with the second clamping part can receive external force in order compressing tightly or separately first clamping part and second clamping part are in under the state that compresses tightly, first clamping part and second clamping part can compress tightly three way connection works as along during three way connection's axial is observed, first clamping part with the second clamping part about three way connection's axis is central symmetry. According to the three way connection clamping device of this application to solved current fixed mode not only fixed unstable, and damaged the problem on three way connection joint surface easily.

Description

Three-way joint clamping device

Technical Field

The application relates to the field of lathe machining, in particular to a three-way joint clamping device.

Background

Turning, that is, lathe machining, which is a part of machining, mainly uses a turning tool to turn a rotating workpiece. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having a surface of revolution, and are the most widely used type of machine tool in machine manufacturing and repair plants.

During turning, each type of workpiece needs to be fixed by a special fixing device, and then the turning tool turns the workpiece, for example, when a T-shaped three-way pipe joint is machined, a chuck is generally used for clamping, but the chuck is time-consuming and labor-consuming in correction and adjustment, and the work efficiency is affected, so that the three-way pipe joint can be clamped and fixed by the special fixing device.

To this end, the conventional fixing device is provided with a groove for placing the three-way pipe joint in the solid body of the steel member, and the screw penetrates through the solid body to tightly push and fix the workpiece in the solid body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a purpose provides a three way connection clamping device to solved current fixed mode not only fixed unstable, and damaged the problem on three way connection joint surface easily.

According to the application, three way connection clamping device is provided, three way connection clamping device includes first clamping part and second clamping part, first clamping part with the second clamping part all is provided with the portion of holding that is used for holding three way connection's part, first clamping part with the second clamping part can receive external force in order to compress tightly or part first clamping part and second clamping part are in under the state of compressing tightly, first clamping part and second clamping part can compress tightly three way connection, when along during three way connection's axial is observed, first clamping part with the second clamping part about three way connection's axis is central symmetry.

In any of the above technical solutions, further, the first clamping portion and the second clamping portion have the same configuration and the same size, and in a compressed state of the first clamping portion and the second clamping portion, the first clamping portion and the second clamping portion can be formed into a cylinder, and the accommodating portion is a groove.

In any of the above technical solutions, further, the first clamping portion and the second clamping portion can be used to be pressed by an external pressing mechanism, and when the first clamping portion and the second clamping portion are in a pressing state, a part of the three-way joint is located in the groove, and another part of the three-way joint is exposed to the outside of the cylinder.

In any of the above technical solutions, further, the three-way joint clamping device further includes a fastening sleeve, the fastening sleeve is sleeved outside the cylinder, and the fastening sleeve has elasticity.

In any of the above technical solutions, further, the two ends of the cylinder are both provided with circular slots for the fastening sleeves to be embedded, and the number of the fastening sleeves is two.

In any of the above technical solutions, further, the three-way joint clamping device further includes an elastic member, one of the first clamping portion and the second clamping portion is provided with a through hole penetrating through the one, the other of the first clamping portion and the second clamping portion is provided with a blind hole, the first clamping portion and the second clamping portion are in a compression state, the through hole and the blind hole have the same axial direction, the through hole is communicated with the blind hole, the through hole and the blind hole both accommodate a portion of the elastic member, and the elastic member is in a compression state.

In any of the above technical solutions, further, the axial directions of the through hole and the blind hole are perpendicular to two faces of the first clamping portion and the second clamping portion facing each other.

In any of the above technical solutions, further, the three-way joint clamping device further includes a guide pin, the guide pin is connected with the elastic member, and both the guide pin and the elastic member are in interference fit with the through hole.

In any of the above technical solutions, further, the external pressing mechanism is a chuck, the chuck is used for being sleeved outside the cylinder, the outer side portion of the cylinder is provided with a limiting part, the limiting part is used for limiting the clamping jaw of the chuck to move, and the chuck is a three-jaw chuck.

In any of the above technical solutions, further, the fastening sleeve is a rubber ring, the elastic member is a pressure spring, and both the first clamping portion and the second clamping portion are formed of steel.

According to the three-way joint clamping device, the three-way joint clamping device comprises a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are respectively provided with a containing part for containing a part of the three-way joint, the first clamping part and the second clamping part can be pressed or separated by external force, the first clamping part and the second clamping part can press the three-way joint when the first clamping part and the second clamping part are in a pressing state, when the three-way joint is observed along the axial direction of the three-way joint, the first clamping part and the second clamping part are in central symmetry relative to the axis of the three-way joint, the first clamping part and the second clamping part can be mutually pressed by the external force, and then the part of the three-way joint can be fixed in the grooves formed in the first clamping part and the second clamping part to process the part of the three-way joint exposed outside, so that the existing fixing mode is not only unstable, and easily damages the surface of the three-way pipe joint.

In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Figure 1 shows a cross-sectional structural schematic view of a perspective of a three-way fitting clamping device according to an embodiment of the present application;

figure 2 illustrates a side view of a three way fitting clamping device according to an embodiment of the present application;

figure 3 illustrates a cross-sectional structural schematic of another perspective of a three-way fitting clamping device according to an embodiment of the present application.

An icon: 101-a first clamping portion; 102-a second clamping portion; 200-a three-way joint; 300-fastening sleeve; 400-a guide pin; 500-an elastic member; 600-a stop; 700-clamping jaw.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art upon review of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, may be changed in addition to operations that must occur in a particular order, as will be apparent upon an understanding of the present disclosure. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above … …", "upper", "below … …" and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both an orientation of "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

The application provides a three way connection clamping device, when fixed man-hour to three way connection, not only fixed stable just can not harm three way pipe joint surface.

Before this application provided, current fixing device was offered at the entity of steel member in set up the recess that supplies tee bend pipe joint to put into, passed the entity through the screw and carried out the top tight fixedly to the inside work piece of entity, nevertheless among the above-mentioned fixed mode, the screw is not only fixed unstable, and damages tee bend pipe joint surface easily.

In view of this, according to the present application, there is provided a three-way joint clamping device, including a first clamping portion and a second clamping portion, both the first clamping portion and the second clamping portion are provided with grooves for embedding parts of a three-way joint, the first clamping portion and the second clamping portion can be pressed or opened by an external force, when the first clamping portion and the second clamping portion are in a pressed state, the first clamping portion and the second clamping portion can press the three-way joint, when viewed along an axial direction of the three-way joint, the first clamping portion and the second clamping portion are centrosymmetric with respect to an axis of the three-way joint, where the axial direction of the three-way joint refers to a direction in which the axis of the three-way joint is located, the axis refers to an axis of the three-way joint exposed to an external one-way joint, that is a "T" -shaped joint, and an axis of the vertical one-way joint, and further, the first clamping portion and the second clamping portion are centrosymmetric with respect to the axis of the three-way joint, the clamping device can ensure that the one-way joint exposed outside coincides with the rotation center of the shape formed by the first clamping part and the second clamping part in the compression state (namely, in the processing state). The utility model provides a first clamping part and second clamping part can receive external force to compress tightly each other, and then can fix tee fitting's part in the recess that first clamping part and second clamping part were seted up to expose outside part to tee fitting and process. The specific structure of the first and second clamp portions and the manner of fixing the three-way joint will be described in detail below.

In the embodiment of the present application, as shown in fig. 1 and fig. 2, the first clamping portion 101 and the second clamping portion 102 may be formed in the same form, and the first clamping portion 101 and the second clamping portion 102 are in a compressed state, and the first clamping portion 101 and the second clamping portion 102 can form a cylinder, that is, the first clamping portion 101 and the second clamping portion 102 may be two half cylinders of the cylinder, which are equally divided along the axial direction, and a field worker may prepare a cylindrical block with a suitable size, for example, a round steel, on the inner side of which a groove suitable for the three-way joint 200 to be embedded is machined, and finally saw two halves along the axial direction, in this embodiment, the form of equally dividing the cylinder is adopted, which not only can ensure the coaxiality between the cylinder and the part to be machined of the three-way joint 200 (as shown in fig. 3, that is, a "T" -shaped joint, a vertical one-way joint), but also is beneficial to compressing the cylinder by a chuck, specifically, in this embodiment, an external chuck may be used to compress the cylinder, when the three-way joint 200 is fixedly processed, the three-way joint 200 may be first placed in the groove, the first clamping portion 101 and the second clamping portion 102 (i.e., two half cylinders) are attached together (i.e., the three-way joint 200 is covered), and finally the chuck is sleeved outside the cylinder, and the first clamping portion 101 and the second clamping portion 102 are compressed and fixed by the clamping jaw 700 of the chuck, where the chuck may be a three-jaw chuck.

In the embodiment of the present application, as shown in fig. 1 and fig. 3, the outer side portion of the cylinder may further be provided with a limiting member 600, and the limiting member 600 may limit the movement of the clamping jaw 700 of the chuck, and specifically, 3 protrusions matched with the 3 clamping jaws 700 may be provided on the outer side portion of the cylinder or a circle of protrusions may be provided along the outer periphery of the cylinder, so as to ensure that when the clamping jaw 700 of the chuck compresses the cylinder, the protrusions may limit and block the clamping jaw 700, and prevent the clamping jaw 700 of the chuck from moving.

In an embodiment of the present application, as shown in fig. 1, the three-way joint clamping device may further include an elastic member 500, one of the first clamping portion 101 and the second clamping portion 102 is provided with a through hole penetrating through the one, the other of the first clamping portion 101 and the second clamping portion 102 is provided with a blind hole, the first clamping portion 101 and the second clamping portion 102 are in a compressed state, the through hole and the blind hole both have the same axial direction, the through hole communicates with the blind hole, both the through hole and the blind hole accommodate a portion of the elastic member, where the hole may be perpendicular to two faces of the first clamping portion 101 and the second clamping portion 102 facing each other, the elastic member 500 may be in a compressed state when the first clamping portion 101 and the second clamping portion 102 are in the compressed state, that is, when the first clamping portion 101 and the second clamping portion 102 are in a non-compressed state (when the clamping jaws 700 of the chuck are released), the elastic member 500 in the compressed state may be relaxed, the tension of the elastic member 500 may spring the first and second clamping portions 101 and 102 apart, where the elastic member 500 may be a compression spring.

In addition, as shown in fig. 1, the three-way joint clamping device may further include a guide pin 400, the guide pin 400 is connected to the elastic member 500, the guide pin 400 and the elastic member 500 are in interference fit with the hole, specifically, during operation, a field worker may firstly press the guide pin 400 and the elastic member 500 into the hole in interference fit, apply a force to the guide pin 400, further compress the spring, finally fasten and fix the first clamping portion 101 or the second clamping portion 102 with a chuck to machine the three-way joint 200, when the machined three-way joint 200 is disassembled or replaced, loosen the chuck, at this time, the elastic force of the elastic member 500 may flick the first clamping portion 101 or the second clamping portion 102, and then pry the joint surface of the first clamping portion 101 and the second clamping portion 102 with an external device.

In addition, as shown in fig. 1 and 3, the three-way joint clamping device may further include a fastening sleeve 300, the fastening sleeve 300 is sleeved outside the cylinder, the fastening sleeve 300 has elasticity, specifically, circular grooves for the fastening sleeve 300 to be embedded into are formed at both ends of the cylinder, here, the number of the fastening sleeves 300 is two, and the fastening sleeve 300 may be an O-shaped rubber ring. In this embodiment, the two fastening sleeves 300 can effectively ensure that the first clamping portion 101 and the second clamping portion 102 do not move relative to each other when the pressing spring springs the first clamping portion 101 and the second clamping portion 102.

According to the three-way joint clamping device, the three-way joint clamping device comprises a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are respectively provided with a containing part for containing a part of the three-way joint, the first clamping part and the second clamping part can be pressed or separated by external force, the first clamping part and the second clamping part can press the three-way joint when the first clamping part and the second clamping part are in a pressing state, when the three-way joint is observed along the axial direction of the three-way joint, the first clamping part and the second clamping part are in central symmetry relative to the axis of the three-way joint, the first clamping part and the second clamping part can be mutually pressed by the external force, and then the part of the three-way joint can be fixed in the grooves formed in the first clamping part and the second clamping part to process the part of the three-way joint exposed outside, so that the existing fixing mode is not only unstable, and easily damages the surface of the three-way pipe joint.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A three-way joint clamping device is characterized by comprising a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are respectively provided with an accommodating part for accommodating a part of a three-way joint,

the first clamping part and the second clamping part can be pressed or separated by external force,

the first clamping part and the second clamping part can press the three-way joint when the first clamping part and the second clamping part are in a pressing state,

the first clamping portion and the second clamping portion are centrosymmetric with respect to an axis of the three-way joint when viewed in an axial direction of the three-way joint.

2. The three-way joint clamping device according to claim 1, wherein the first clamping portion and the second clamping portion comprise the same configuration and have the same dimensions, the first clamping portion and the second clamping portion can be formed as a cylinder with the first clamping portion and the second clamping portion in a compressed state, and the receptacle is a groove.

3. The three-way joint clamping device of claim 2, wherein the first clamping portion and the second clamping portion are operable to be compressed by an external compression mechanism,

when the first clamping part and the second clamping part are in a compression state, one part of the three-way joint is positioned in the groove, and the other part of the three-way joint is exposed to the outside of the cylinder.

4. The three-way joint clamping device according to claim 2, further comprising a fastening sleeve, wherein the fastening sleeve is sleeved outside the cylinder, and the fastening sleeve has elasticity.

5. The three-way joint clamping device according to claim 4, wherein two ends of the cylinder are provided with circular grooves for the fastening sleeves to be embedded in, and the number of the fastening sleeves is two.

6. The three-way joint clamp of claim 4, further comprising a resilient member,

one of the first clamping part and the second clamping part is provided with a through hole penetrating through the one, the other of the first clamping part and the second clamping part is provided with a blind hole, the first clamping part and the second clamping part are in a compression state, the through hole and the blind hole have the same axial direction, the through hole is communicated with the blind hole, the through hole and the blind hole both contain the part of the elastic member, and the elastic member is in a compression state.

7. The three-way joint clamping device according to claim 6, wherein the axial directions of both the through hole and the blind hole are perpendicular to two faces of the first clamping portion and the second clamping portion that face each other.

8. The three-way joint clamping device according to claim 7, further comprising a guide pin connected to the elastic member, wherein the guide pin and the elastic member are in interference fit with the through hole.

9. The three-way joint clamping device according to claim 3, wherein the external pressing mechanism is a chuck, the chuck is used for being sleeved outside the cylinder, a limiting part is arranged at the outer side part of the cylinder and used for limiting the clamping jaws of the chuck to move, and the chuck is a three-jaw chuck.

10. The three-way joint clamping device according to claim 6, wherein the tightening sleeve is a rubber ring, the elastic member is a compression spring, and both the first clamping portion and the second clamping portion are formed of steel.

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