CN210209450U - Turning clamp structure for quadrilateral workpiece - Google Patents

Abstract

The utility model relates to a turning clamp structure of a quadrilateral workpiece, which comprises a body, wherein one end of the body is fixedly connected on a lathe claw, a chuck inner groove and a workpiece processing mounting hole are arranged on the end surface of one end of the body, the chuck inner groove is communicated with the workpiece processing mounting hole, the chuck inner groove is provided with a chuck, and the chuck clamps the quadrilateral workpiece placed in the workpiece processing mounting hole; the bottom in the machined workpiece mounting hole is provided with an elastic mechanism for pushing the quadrilateral workpiece arranged in the machined workpiece mounting hole out of the machined workpiece mounting hole; this car adds clamping tool structure has satisfied the problem that present plane clamping processing required, guarantees the reliable clamping of work piece, and the elastic mechanism dismantles conveniently simply, can directly convert the two planar processes of rough milling once more and corase grind after the sawing machine unloading into on the numerical control lathe to carry out production and processing simultaneously, reduces a process, has saved process time greatly.

Description

Turning clamp structure for quadrilateral workpiece

Technical Field

The utility model relates to a machine-building and automatic technical field especially relate to a car adds clamping apparatus structure of quadrangle work piece.

Background

At present, when a quadrilateral is processed, such as an upper cover of a spinning pack, the following requirements are required to be met during processing, and six plane smoothness is required to be Ra1.6. The blank material is originally a forged piece with the length of 700mm, 4 surfaces are firstly roughly milled by adopting numerical control double-sided milling, then a sawing machine is used for blanking short materials with the length of about 44mm, because the flatness error of the sawing machine is large, after the sawing machine is finished, two planes and a rough grinding plane need to be roughly milled again, then a phi 13mm through hole, a phi 32.2mm inner hole and an R6 arc of the spinneret assembly upper cover are processed on a numerical control lathe, four-corner counter bores of the part are milled, and finally 6 planes of the spinneret assembly upper cover are finely ground;

generally, the plane of the quadrangular part is machined by milling with a milling machine or by clamping with a four-jaw chuck on a lathe. And after finishing, roughly grinding the plane by using a plane grinder, and turning the working procedure to a numerical control lathe to machine an inner circular hole of the spinning pack upper cover. The turnover and the working procedures of the workpieces are increased, and the production period and progress are greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming of the prior art, the utility model aims at providing a can solve traditional car and process anchor clamps and can't satisfy the problem of waiting to process spinning pack upper cover plane clamping processing requirement, guarantee the reliable clamping of work piece, the car that convenient simple quadrangle work piece was dismantled to elastic mechanism adds clamping structure.

In order to achieve the purpose, the utility model adopts the following technical scheme that the turning clamp structure for the quadrilateral workpiece comprises a body, one end of the body is fixedly connected to a lathe claw, a chuck inner groove and a workpiece processing mounting hole are arranged on the end face of one end of the body, the chuck inner groove is communicated with the workpiece processing mounting hole, the chuck inner groove is provided with a chuck, and the chuck clamps the quadrilateral workpiece placed in the workpiece processing mounting hole;

and an elastic mechanism for pushing the quadrilateral workpiece arranged in the machined workpiece mounting hole out of the machined workpiece mounting hole is arranged at the bottom in the machined workpiece mounting hole.

The V-shaped hole is arranged at one end, in contact with the quadrilateral workpiece, of the chuck, the V-shaped hole is clamped at one corner of the quadrilateral workpiece, a jacking screw is arranged on the body, the end part of the jacking screw penetrates into an inner groove of the chuck and jacks the chuck, the chuck moves towards the end of the quadrilateral workpiece, and the V-shaped hole in the chuck jacks one corner of the quadrilateral workpiece to fix the quadrilateral workpiece in the machining workpiece mounting hole.

The elastic mechanism comprises at least a spring, an elastic retainer ring and a shaft, the elastic retainer ring is fixedly arranged at one end of the shaft, and the end part fixedly connected with the elastic retainer ring is inserted into the spring; the spring is fixedly arranged at the end part of the lathe claw, the other end of the shaft relative to the spring penetrates through a shaft hole formed in the bottom of the body and extends into a machined workpiece mounting hole, and when the quadrilateral workpiece is mounted in the machined workpiece mounting hole, the spring is compressed.

The one end that the work piece mounting hole was kept away from to the body has the baffle through fixed screw fixed mounting, be equipped with the through-hole that the axle passed on the baffle, and the central line of this through-hole is located same straight line with the central line in shaft hole.

The elastic mechanism further comprises a sleeve, the sleeve is fixedly embedded in the lathe jaw, the spring is placed in the sleeve, and the diameter of the sleeve is larger than that of the elastic check ring.

The utility model has the advantages that: this car adds clamping tool structure has satisfied the problem that present plane clamping processing required, guarantees the reliable clamping of work piece, and the elastic mechanism dismantles conveniently simply, can directly convert the two planar processes of rough milling once more and corase grind after the sawing machine unloading into on the numerical control lathe to carry out production and processing simultaneously, reduces a process, has saved process time greatly.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic diagram of the right-side structure of the present invention;

fig. 3 is a schematic diagram of the structure of the utility model.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

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 implicitly indicating 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 invention, "a plurality" means two or more unless otherwise specified.

Example 1

As shown in fig. 1 and fig. 2, a turning clamp structure for a quadrilateral workpiece comprises a body 2, one end of which is fixedly connected to a lathe jaw 4, wherein an end face of one end of the body 2 is provided with a chuck inner groove 201 and a machined workpiece mounting hole 202, the chuck inner groove 201 is communicated with the machined workpiece mounting hole 202, the chuck inner groove 201 is provided with a chuck 1, and the chuck 1 clamps the quadrilateral workpiece 10 placed in the machined workpiece mounting hole 202; the body 2 is cylindrical, the end part of the lathe claw 4 is provided with a claw for installing the body 2, the body 2 is clamped on the lathe jaw and fixed by a screw, the shape of the chuck inner groove 201 is the same as that of the chuck 1, the matching between the chuck and the chuck inner groove can be ensured to be more accurate, the processed workpiece mounting hole 202 is quadrilateral, and the length tolerance of the two sides of the machined workpiece mounting hole 202 and the two sides of the workpiece is +5mm, so that the workpiece can be smoothly placed into the machined workpiece mounting hole 202, and particularly when being installed, a workpiece 10 to be machined is placed in the machined workpiece mounting hole 202, the workpiece 10 to be processed is fixedly clamped on the processing workpiece mounting hole 202 through the clamping head 1, then the body 2 is driven by the lathe claw 4 to process the workpiece 10 to be processed which is arranged on the body 2.

The bottom in the machined workpiece mounting hole 202 is provided with an elastic mechanism for pushing the quadrangular workpiece 10 mounted in the machined workpiece mounting hole 202 out of the machined workpiece mounting hole 202. The elastic mechanism is in a compressed state after the workpiece is installed, after the machining is finished, the clamping head 1 is loosened, and the elastic mechanism pushes the workpiece 10 to push the workpiece 10 out of the machined workpiece installation hole 202, so that the workpiece is convenient to install and disassemble, and the machining time is greatly saved.

Further, as shown in fig. 1, in order to fix and clamp the quadrangular workpiece in the machined workpiece mounting hole, a V-shaped hole 101 is arranged at one end of the chuck 1 contacting with the quadrangular workpiece 10, the V-shaped hole 101 is clamped at one corner of the quadrangular workpiece 10, a jacking screw 3 is arranged on the body 2, the end of the jacking screw 3 penetrates into a chuck inner groove 201 and jacks on the chuck 1, the chuck 1 moves towards the end of the quadrangular workpiece 1, so that the V-shaped hole 101 on the chuck 1 jacks one corner of the quadrangular workpiece 10 to fix the quadrangular workpiece 10 in the machined workpiece mounting hole 202. The V-shaped hole 101 corresponds to one corner of the quadrilateral workpiece, the angle is 90 degrees, the V-shaped hole can be buckled on one corner of the quadrilateral workpiece, the clamping head is ensured not to damage the quadrilateral workpiece, the V-shaped hole and the machining workpiece mounting hole 202 form a quadrilateral hole, when the V-shaped hole is specifically installed, the workpiece to be machined is placed into the machining workpiece mounting hole 202, then the jacking screw 3 is rotated, the end part of the jacking screw 3 pushes the clamping head 1, the V-shaped hole in the clamping head 1 is fixedly attached to one corner of the quadrilateral workpiece, the quadrilateral workpiece is fixedly installed in the machining workpiece mounting hole 202, the workpiece is installed, after the machining of the quadrilateral workpiece is completed, the jacking screw is loosened, and at the moment, the elastic mechanism pushes the machining workpiece out of the machining workpiece mounting hole 202, so that the machining workpiece is disassembled.

Further, the elastic mechanism comprises at least a spring 5, an elastic retainer ring 8 and a shaft 7, wherein the elastic retainer ring 8 is fixedly arranged at one end of the shaft 7, and the end part fixedly connected with the elastic retainer ring 8 is inserted into the spring 5; the spring 5 is fixedly arranged at the end part of the lathe claw 4, the other end of the shaft 7 relative to the spring 5 penetrates through a shaft hole arranged at the bottom of the body 2 and extends into the machined workpiece mounting hole 202, and the spring 5 is compressed when the quadrangular workpiece 10 is mounted in the machined workpiece mounting hole 202. When the machining is carried out, the machining workpiece presses the shaft 7 to move towards the end part of the spring 5, the end part of the shaft is pressed into the shaft hole, after machining is completed, the compressed spring 5 needs to reset to push the shaft to move towards the direction of the machining workpiece, the shaft pushes the machining workpiece in the machining workpiece mounting hole 202 out of the machining workpiece mounting hole 202, the spring pushes the shaft to push the workpiece out of the machining workpiece mounting hole 202, the machining workpiece is convenient to disassemble after machining is completed, and disassembling time is effectively saved.

As shown in fig. 3, a baffle 6 is fixedly mounted on one end of the body 2 far away from the machined workpiece mounting hole 202 through a fixing screw 9, a through hole through which the shaft 7 passes is formed in the baffle 6, and the center line of the through hole and the center line of the shaft hole are located on the same straight line. The baffle plate can effectively protect the device, meanwhile, in order to ensure that the spring can be compressed according to a track set in advance when being compressed, the elastic mechanism further comprises a sleeve 11, the sleeve 11 is fixedly embedded in the lathe clamping jaws 4, the spring 5 is placed in the sleeve 11, and the diameter of the sleeve 11 is larger than that of the elastic check ring 8.

Specifically, during design, the jacking screw 3 is an M10 screw, the fixing screw 9 is an M6 screw, specifically, when the lathe is used, the body is clamped by the lathe clamping jaws 4, the clamping head 1 and the baffle 6 are respectively fixed on the body by one M10 screw and three M6 screws, a workpiece 10 to be machined is arranged in the body, and a quadrilateral square hole with the size of the workpiece to be machined and an inner groove in the shape of the clamping head are formed in the body. The square hole of the quadrangle in the body is used for positioning, the V-shaped groove of the clamping head is directly pressed on a right angle of the quadrangle, and after the processing and production of the workpiece are finished, the M10mm hexagon socket head cap screw is directly loosened by a phi 12 hexagon socket head cap wrench; the workpiece can be taken out quickly by the elastic principle of the elastic mechanism.

The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.

Claims (5)

1. A turning clamp structure of a quadrilateral workpiece is characterized by comprising a body (2) with one end fixedly connected to a lathe jaw (4), wherein a chuck inner groove (201) and a machined workpiece mounting hole (202) are formed in the end face of one end of the body (2), the chuck inner groove (201) is communicated with the machined workpiece mounting hole (202), a chuck (1) is arranged in the chuck inner groove (201), and the chuck (1) is used for clamping a quadrilateral workpiece (10) placed in the machined workpiece mounting hole (202);

and an elastic mechanism for pushing the quadrilateral workpiece (10) installed in the machined workpiece installation hole (202) out of the machined workpiece installation hole (202) is arranged at the bottom in the machined workpiece installation hole (202).

2. The turning clamp structure of the quadrangular workpiece according to claim 1, wherein a V-shaped hole (101) is formed at one end of the chuck (1) contacting with the quadrangular workpiece (10), the V-shaped hole (101) is clamped at one corner of the quadrangular workpiece (10), a tightening screw (3) is arranged on the body (2), the end of the tightening screw (3) penetrates into the chuck inner groove (201) and is pressed against the chuck (1), and the chuck (1) moves towards the end of the quadrangular workpiece (10) to enable the V-shaped hole (101) on the chuck (1) to be pressed against one corner of the quadrangular workpiece (10) to fix the quadrangular workpiece (10) in the processing workpiece mounting hole (202).

3. The turning clamp structure of the quadrangular workpiece, according to claim 2, characterized in that the elastic mechanism comprises at least a spring (5), a circlip (8) and a shaft (7), the circlip (8) is fixedly arranged at one end of the shaft (7), and the end of the fixedly connected circlip (8) is inserted into the spring (5); the spring (5) is fixedly arranged at the end part of the lathe claw (4), the other end of the shaft (7) relative to the spring (5) penetrates through a shaft hole formed in the bottom of the body (2) and extends into a machined workpiece mounting hole (202), and when the quadrilateral workpiece (10) is mounted in the machined workpiece mounting hole (202), the spring (5) is compressed.

4. The turning clamp structure of the quadrangular workpiece according to claim 3, wherein a baffle (6) is fixedly installed at one end of the body (2) far away from the workpiece installation hole (202) through a fixing screw (9), a through hole through which the shaft (7) passes is arranged on the baffle (6), and the center line of the through hole and the center line of the shaft hole are positioned on the same straight line.

5. The turning clamp structure for quadrangular workpieces according to claim 3, wherein the elastic mechanism further comprises a sleeve (11), the sleeve (11) is fixedly embedded in the lathe jaws (4), the spring (5) is placed in the sleeve (11), and the diameter of the sleeve (11) is larger than that of the circlip (8).

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