CN214212270U

CN214212270U - Special-shaped ring metal product machining clamp

Info

Publication number: CN214212270U
Application number: CN202022626146.0U
Authority: CN
Inventors: 张光波; 李霞; 余永林; 刘义超; 王东; 陈涵
Original assignee: WUHAN KYOWA SYNCHRONIZER RING CO Ltd
Current assignee: WUHAN KYOWA SYNCHRONIZER RING CO Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-09-17
Anticipated expiration: 2030-11-13

Abstract

The application relates to the technical field of machining clamps, and provides a special-shaped circular ring metal product machining clamp which comprises a chassis mechanism and a locking mechanism, wherein the chassis mechanism comprises a chassis body fixed on a chuck of a machine tool, and a chassis mounting hole is formed in the chassis body; the locking mechanism comprises a locking sleeve arranged in the chassis mounting hole, a locking body penetrating through the locking sleeve and an inner pull rod connected with the locking body; the locking sleeve is provided with a first through hole which is arranged in a penetrating manner, and the locking body is arranged in the first through hole in a penetrating manner and used for clamping the special-shaped circular ring metal piece; one end of the inner pull rod is connected with the locking body, and the other end of the inner pull rod penetrates through the chassis mounting hole and is used for being connected with a pneumatic mechanism of a machine tool. The embodiment of the application provides a special-shaped ring metal piece product machining clamp, the excircle of a product is clamped through the inward contraction action of a locking body, the radial clamping force is uniformly generated on the periphery of the excircle of the product, and therefore the radial runout of the product in the machining process is guaranteed to meet the technological requirements.

Description

Special-shaped ring metal product machining clamp

Technical Field

The application relates to the technical field of machining clamps, in particular to special-shaped ring metal product machining clamp.

Background

The present synchronizer ring gear class product car adds clamping apparatus mainly has two kinds: three-jaw clamp and profile of tooth anchor clamps: the traditional clamp is clamped by three claws, and the change of the size of a clamping circle of a circular ring metal product can cause deformation of the circular ring metal product in different degrees.

When the tooth-shaped fixture is used, the tooth-shaped fixture is positioned by the locking surface of the tooth ring in the radial direction, the axial direction is pressed by the pressing claw, the locking surface of the blank after the forging forming is extremely easy to jump and overproof due to the reason of the tooth ring structure, and the tooth-shaped fixture is positioned by the locking surface, so that the roundness of the inner hole is easily overproof.

Disclosure of Invention

The embodiment of the application provides dysmorphism ring metal product adds clamping apparatus to because of the ring gear structure reason among the solution prior art, the locking face of its blank after forging the shaping is very easily beated the overproof, and tooth type anchor clamps easily lead to the technical problem of hole circularity overproof with the locking face location.

A special-shaped circular ring metal product machining clamp comprises a chassis mechanism and a locking mechanism, wherein the chassis mechanism comprises a chassis body fixed on a chuck of a machine tool, and a chassis mounting hole is formed in the chassis body; the locking mechanism comprises a locking sleeve arranged in the chassis mounting hole, a locking body penetrating through the locking sleeve and an inner pull rod connected with the locking body; the locking sleeve is provided with a first through hole which is arranged in a penetrating manner, and the locking body is arranged in the first through hole in a penetrating manner and used for clamping a circular ring metal product; one end of the inner pull rod is connected with the locking body, and the other end of the inner pull rod penetrates through the chassis mounting hole and is used for being connected with a pneumatic mechanism of a machine tool.

In one embodiment, the locking body includes a locking body passing through the first through hole, and a surrounding claw assembly disposed on the locking body.

In some embodiments, the enclosure claw assembly is disposed in a second through hole at the top of the lock body, in one embodiment, the second through hole is a tapered hole, and the enclosure claw assembly is movably engaged with the lock body

In some embodiments, the second through hole is a tapered hole, and one end of the inner pull rod is movably clamped on a hole wall of the second through hole.

In some embodiments, the chassis mechanism further comprises a third through hole formed in the chassis body, and a connecting rod connected with the inner pull rod; the third through hole is positioned below the chassis mounting hole and is in through connection with the chassis mounting hole, and the connecting rod is movably arranged in the third through hole in a penetrating manner.

In some embodiments, a fourth through hole is further formed in the chassis body, a first connecting sleeve is clamped in the fourth through hole, and a second connecting sleeve is arranged in the third through hole; one end of the connecting rod is movably limited in the second connecting sleeve, the other end of the connecting rod extends out of the second connecting sleeve, and the other end of the inner pull rod penetrates through the first connecting sleeve to be fixedly connected with the connecting rod.

In some embodiments, the second connecting sleeve is provided with a movable limiting hole and an axial limiting hole, and the axial limiting hole is arranged below the movable limiting hole and is communicated with the movable limiting hole; one end of the connecting rod is provided with a connecting rod bulge, and the connecting rod bulge is movably arranged in the movable limiting hole in a penetrating mode.

In some embodiments, the chassis mounting hole, the fourth through hole and the third through hole are coaxially arranged, and the diameter of the chassis mounting hole, the diameter of the fourth through hole and the diameter of the third through hole are gradually reduced.

In some embodiments, the bottom of the locking sleeve is provided with a connecting protrusion extending outward in the radial direction of the locking sleeve, and the connecting protrusion is fixedly connected with the chassis body part located at the periphery of the chassis mounting hole.

In some embodiments, the bottom of the locking sleeve protrudes downwards to form an annular protrusion, and the annular protrusion is limited in the chassis mounting hole.

In some embodiments, the tip face of the latch assembly is lower than the tip face of the locking sleeve.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides dysmorphism ring metal product adds clamping apparatus, through setting up chassis mechanism and locking mechanism, chassis mechanism is including being used for being fixed in the chassis body on the lathe chuck, locking mechanism including the installation with locking sleeve in the chassis mounting hole and wear to locate locking body and drive in the locking sleeve the interior pull rod that locking body removed adorns dysmorphism ring metal product at this internally, through the excircle of this internal shrink action clamp product of locking, to the radial clamp force of the even production all around of dysmorphism ring metal product excircle to ensure that the radial runout of product in the course of working satisfies the technological requirement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded schematic structural diagram of a fixture for processing a special-shaped ring metal product according to an embodiment of the present application;

fig. 2 is a schematic top view of the fixture for processing a special-shaped ring metal product according to the embodiment of the present disclosure;

fig. 3 is a schematic sectional view along the direction a-a in fig. 2.

In the figure:

100. a chassis mechanism; 110. a chassis body; 111. a chassis mounting hole; 112. a third through hole; 113. a fourth through hole; 120. a connecting rod; 121. the connecting rod is convex; 130. a first connecting sleeve; 140. a second connecting sleeve; 141. a movable limiting hole; 142. an axial limiting hole; 200. a locking mechanism; 210. locking the sleeve; 211. a first through hole; 212. a connecting projection; 213. an annular projection; 221. a locking body; 2211. a second through hole; 222. a surrounding claw assembly; 230. an inner pull rod; 300. a ring metal product.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides dysmorphism ring metal product 300 adds clamping apparatus, and it can solve among the prior art because of the ring gear structure reason, the locking face of its blank after forging the shaping is very easily beated the overproof, and the tooth type anchor clamps are fixed a position with the locking face, easily leads to the technical problem of hole circularity overproof.

Referring to fig. 1 and fig. 3, the jig for processing a special-shaped circular ring metal product 300 includes a chassis mechanism 100 and a locking mechanism 200, wherein the chassis mechanism 100 includes a chassis body 110 for being fixed on a chuck of a machine tool, and the chassis body 110 is provided with a chassis mounting hole 111; the locking mechanism 200 comprises a locking sleeve 210 installed in the chassis installation hole 111, a locking body penetrating through the locking sleeve 210, and an inner pull rod 230 connected with the locking body; the locking sleeve 210 has a first through hole 211 penetrating therethrough, and the locking body is disposed through the first through hole 211 and used for clamping the annular metal product 300; one end of the inner pull rod 230 is connected with the locking body, and the other end of the inner pull rod 230 penetrates through the chassis mounting hole 111 and is used for being connected with a pneumatic mechanism of a machine tool.

The embodiment of the application provides special-shaped ring metal product 300 adds clamping apparatus, through setting up chassis mechanism 100 and locking mechanism 200, chassis mechanism 100 is including being used for being fixed in the chassis body 110 on the lathe chuck, locking mechanism 200 including the installation with locking sleeve 210 in the chassis mounting hole 111 and wear to locate locking body and drive in the locking sleeve 210 the interior pull rod 230 that the locking body removed adorns special-shaped ring metal product 300 at this internal locking, through the excircle of this internal shrink action clamp product of locking, to the radial clamp force of the even production all around of special-shaped ring metal product 300 excircle to ensure that the radial runout of product in the course of working satisfies the technological requirement.

In an embodiment, the locking body includes a locking main body 221 disposed through the first through hole 211, and a surrounding claw assembly 222 disposed in the first through hole 211 of the locking main body 221, the surrounding claw assembly 222 is movably disposed in the first through hole 211, the locking main body 221 is connected to the inner pull rod 230, the inner pull rod 230 drives the locking main body 221 to move axially to drive the surrounding claw assembly 222 to retract, the surrounding claw assembly 222 generates a uniform radial clamping case for the outer circle of the ring-factor product, so as to ensure that the radial runout of the product during the processing process meets the process requirements, compared with three-claw clamping, the size change of the clamping circle of the ring-shaped metal product 300 can cause deformation of different degrees to the ring-shaped metal product 300, the processing clamp for the special-shaped ring-shaped metal product 300 provided by the utility model, the surrounding claw assembly 222 is movably disposed in the first through hole 211, the surrounding claw assembly 222 consisting of the elastic surrounding claws clamps the product, so that clamping deformation is not easy to cause.

In an embodiment, the locking body 221 is provided with a second through hole 2211 penetrating through the top and the bottom of the locking body, the second through hole 2211 is a tapered hole, the surrounding claw assembly 222 is movably clamped in the tapered hole at the top of the locking body 221, and the surrounding claw assembly 222 generates a radial clamping force on the ring metal product 300 when the locking body 221 moves axially downward relative to the sleeve, so that the implementation is convenient and simple, and connection loss is not easy to occur in the process of reusing the clamp.

In an embodiment, referring to fig. 2, one end of the inner rod 230 is connected to the hole wall of the second through hole 2211. In a specific embodiment, one end of the inner pull rod 230 is provided with a protrusion extending radially outward along the second through hole 2211, a step surface is arranged on the hole wall of the second through hole 2211, and the protrusion is blocked on the step surface, so that the inner pull rod 230 drives the locking main body 221 to move axially.

In an embodiment, the chassis mechanism 100 further includes a third through hole 112 opened on the chassis body 110, and a connecting rod 120 connected to the inner pull rod 230; the third through hole 112 is located below the chassis mounting hole 111, and is connected to the chassis mounting hole 111 in a penetrating manner. The connecting rod 120 is used for connecting the inner pull rod 230 and a pneumatic mechanism of a machine tool, and the pneumatic mechanism of the machine tool drives the inner pull rod 230 to move axially, so as to drive the locking body 221 to move axially, and the surrounding claw assembly 222 retracts inwards to generate a radial clamping force on the circular metal product 300. In an embodiment, the connecting rod 120 is axially movably disposed in the third through hole 112, and is used for limiting a distance of axial movement of the connecting rod 120 and providing a movement space for the axial movement of the connecting rod 120.

In an embodiment, the chassis body 110 is further provided with a fourth through hole 113, the fourth through hole is internally provided with a first connecting sleeve 130 in a clamping manner, and the third through hole 112 is internally provided with a second connecting sleeve 140; the first connecting sleeve 130 and the second connecting sleeve 140 are respectively used for limiting the other end of the inner pull rod 230 and one end of the connecting rod 120 in the axial direction and protecting the axial movement.

One end of the connecting rod 120 is movably limited in the second connecting sleeve 140, the other end of the connecting rod extends out of the second connecting sleeve 140 and is connected with a pneumatic mechanism of a machine tool, and the other end of the inner pull rod 230 penetrates through the first connecting sleeve 130 and is coaxially and fixedly connected with the connecting rod 120 so as to accurately transmit the driving force of axial movement and prevent the influence of external driving force from generating uniform radial clamping force on the periphery of the excircle of the circular metal piece product.

In an embodiment, the second connection sleeve 140 is provided with a movable limiting hole 141 and an axial limiting hole 142, and the axial limiting hole 142 is disposed below the movable limiting hole 141 and is connected to the movable limiting hole 141; one end of the connecting rod 120 is provided with a connecting rod protrusion 121, and the connecting rod protrusion 121 is movably arranged in the movable limiting hole 141 in a penetrating manner. The connecting rod protrusion 121 is movably limited in the movable limiting hole 141, and provides a movement limiting space for the connecting rod 120 to axially move.

In an embodiment, the chassis mounting hole 111, the fourth through hole 113, and the third through hole 112 are coaxially disposed, and the diameter of the chassis mounting hole 111, the diameter of the fourth through hole 113, and the diameter of the third through hole 112 are gradually reduced, so as to provide an axial supporting force for the inner tie rod 230 to axially move under the driving of the connecting rod 120, and prevent motion loss of each component during the process.

In an embodiment, the bottom of the locking sleeve 210 is provided with a connecting protrusion 212 extending radially outward along the locking sleeve 210, the connecting protrusion 212 is fixedly connected with the portion of the chassis body 110 located at the periphery of the chassis mounting hole 111, so that the locking sleeve 210 is detachably connected to the chassis body 110, the requirement of quick die change can be met only by replacing the locking mechanism 200 according to the size and structure of the circular ring metal product 300, the requirement of quick reaction switching production of modern factories is met, and the clamp is more convenient and flexible to use.

In an embodiment, the bottom of the locking sleeve 210 is provided with an annular protrusion 213 protruding downward, the annular protrusion 213 is limited in the chassis mounting hole 111, and the annular protrusion 213 is used to improve the coaxial mounting accuracy of the locking sleeve 210 and the chassis mounting hole 111 of the chassis body 110, and improve the uniformity of the clamping force of the clamp on the outer circle of the circular metal product 300.

In some embodiments, the tip surface of the latch assembly 222 is lower than the tip surface of the locking sleeve 210, and the height difference provides a guiding function for automated feeding in the jig provided herein, and in one embodiment, the tip surface of the latch assembly 222 is 1mm lower than the tip surface of the locking sleeve 210, and in other embodiments, other differential distances greater than or less than 1mm may be used.

In an embodiment, the plurality of surrounding claws of the surrounding claw assembly 222 can be shaped according to the structure of the circular ring metal product 300 to match the processing and clamping requirements of the shaped circular ring metal products 300 with different shapes.

The to-be-machined circular ring metal product 300 (such as a gear ring forging) is arranged in the locking main body 221, the inner hole of the excircle of the circular ring metal product 300 is required to have a gap, the gap is designed according to needs, the unilateral gap is 0.1-0.4mm in the universal ground, the manual feeding gap is subjected to small treatment, and the manipulator feeding time gap is subjected to large treatment.

Before the ring metal product 300 to be processed is clamped, the locking main body 221 extends out through the pushing of the inner pull rod 230, at this time, the diameter of the inner hole of the surrounding claw assembly 222 is a natural opening size, after the ring metal product 300 to be processed is loaded into the processing clamp, the diameter of the surrounding claw assembly 222 gradually decreases along with the downward movement of the surrounding claw assembly 222 along the axial direction of the locking sleeve 210 until the ring metal product 300 to be processed is clamped.

The height difference between the locking jaw assembly 222 and the locking sleeve 210 during clamping is H1, and the height difference between the locking sleeve 210 and the locking jaw assembly 222 before clamping is greater than H1.

In an embodiment, the part to be machined further includes a top disk, which is pressed against the top of the circular ring metal product 300 to be machined during the assembling and clamping process, and moves downward along the axial direction along with the surrounding claw assembly 222 until the top disk is withdrawn during the clamping process.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a dysmorphism ring metal product adds clamping apparatus which characterized in that includes:

the chassis mechanism comprises a chassis body fixed on a chuck of a machine tool, and a chassis mounting hole is formed in the chassis body;

the locking mechanism comprises a locking sleeve arranged in the chassis mounting hole, a locking body penetrating through the locking sleeve and an inner pull rod connected with the locking body;

the locking sleeve is provided with a first through hole which is arranged in a penetrating manner, and the locking body is arranged in the first through hole in a penetrating manner and used for clamping a circular ring metal product; one end of the inner pull rod is connected with the locking body, and the other end of the inner pull rod penetrates through the chassis mounting hole and is used for being connected with a pneumatic mechanism of a machine tool.

2. The special-shaped ring metal product machining clamp as claimed in claim 1, wherein the locking body comprises a locking main body penetrating the first through hole and a surrounding claw assembly arranged on the locking main body;

the top of the locking main body is provided with a second through hole which is arranged in a penetrating way, the surrounding claw assembly is arranged in the second through hole of the locking main body, and one end of the inner pull rod is fixed on the hole wall of the second through hole.

3. The special-shaped ring metal product machining clamp as claimed in claim 2, wherein the second through hole is a tapered hole, and one end of the inner pull rod is movably clamped on the hole wall of the second through hole.

4. The special-shaped ring metal product machining clamp as claimed in claim 1, wherein the chassis mechanism further comprises a third through hole formed in the chassis body and a connecting rod connected with the inner pull rod;

the third through hole is positioned below the chassis mounting hole and is in through connection with the chassis mounting hole, and the connecting rod is movably arranged in the third through hole in a penetrating manner.

5. The special-shaped ring metal product machining clamp as claimed in claim 4, wherein a fourth through hole is further formed in the chassis body, a first connecting sleeve is clamped in the fourth through hole, and a second connecting sleeve is arranged in the third through hole;

one end of the connecting rod is movably limited in the second connecting sleeve, the other end of the connecting rod extends out of the second connecting sleeve, and the other end of the inner pull rod penetrates through the first connecting sleeve to be fixedly connected with the connecting rod.

6. The special-shaped ring metal product machining clamp as claimed in claim 5, wherein the second connecting sleeve is provided with a movable limiting hole and an axial limiting hole, and the axial limiting hole is formed below the movable limiting hole and is communicated with the movable limiting hole;

one end of the connecting rod is provided with a connecting rod bulge, and the connecting rod bulge is movably arranged in the movable limiting hole in a penetrating mode.

7. The special-shaped ring metal product machining jig according to claim 5, wherein the chassis mounting hole, the fourth through hole, and the third through hole are coaxially provided, and a diameter of the chassis mounting hole, a diameter of the fourth through hole, and a diameter of the third through hole are gradually reduced.

8. The special-shaped ring metal product machining clamp as claimed in any one of claims 1 to 7, wherein the bottom of the locking sleeve is provided with a connecting protrusion extending outwards in the radial direction of the locking sleeve, and the connecting protrusion is fixedly connected with the chassis body part located on the periphery of the chassis mounting hole.

9. The special-shaped ring metal product machining clamp as claimed in any one of claims 1 to 7, wherein an annular protrusion protrudes downwards from the bottom of the locking sleeve, and the annular protrusion is limited in the chassis mounting hole.

10. The profiled ring metal product machining fixture of claim 2 wherein the top end face of said enclosure jaw assembly is lower than the top end face of said locking sleeve.