CN216912407U - Clamp for machining inner hole of shaft part - Google Patents

Abstract

A shaft part inner hole processing clamp relates to the technical field of linear cutting clamps and comprises a fixing component and a rotating component, wherein the fixing component comprises a right-angle-shaped fixing seat and a connecting plate, the horizontal edge of the fixing seat is correspondingly and fixedly connected with the connecting plate, the connecting plate is correspondingly and fixedly connected with a workbench platform surface of linear cutting equipment, and the vertical edge plane of the fixing seat is parallel to the Y axis of the linear cutting equipment; the rotating assembly comprises a V-shaped block and a pressing mechanism used for pressing the shaft parts into the V-shaped grooves of the V-shaped block, the center position of one end, away from the V-shaped grooves, of the V-shaped block is correspondingly and rotatably connected with the vertical edge of the fixed seat, and a locking mechanism used for locking the rotating assembly is arranged on the fixed seat corresponding to the rotary connection position; the shaft part axis aligning device is simple in structure and convenient to use, and axis alignment of shaft parts can be rapidly carried out during wire cutting machining.

Description

Clamp for machining inner hole of shaft part

Technical Field

The utility model relates to the technical field of clamps for linear cutting, in particular to a clamp for machining an inner hole of a shaft part.

Background

With the continuous perfection of the linear cutting machining technology and the continuous popularization of the linear cutting machine tool, the application of the linear cutting machining in the field of mechanical manufacturing is more and more extensive, and the rapid and reasonable clamping of the workpiece is one of the keys for improving the linear cutting machining efficiency and ensuring the linear cutting machining quality; because the cutting force applied to the workpiece processed by linear cutting is small, the requirement on the clamping force of clamping is not high, the clamping of the workpiece during the linear cutting processing generally only needs to consider the positioning accuracy of the workpiece and the alignment of a processing coordinate system to be convenient; taking the linear cutting machining of shaft parts with higher requirement on coaxiality of inner and outer circles as an example, the conventional workpiece clamping method commonly used in the linear cutting machining adopts two modes of positioning and clamping by a V-shaped block and a special clamp;

although the V-shaped block is simple and convenient to position and clamp, the problem of alignment of a machine tool coordinate system exists; the axes of workpieces with different diameters placed on the V-shaped blocks are different, although one coordinate axis of the symmetrical center of the V-shaped block can be aligned by utilizing the edge-searching alignment function of the linear cutting machine, one coordinate axis cannot be aligned effectively, and the alignment of a machining coordinate can be realized by a method of aligning a process hole in the center of the axis, the process difficulty is greatly improved, the machining procedure is increased, and meanwhile, for the longer axis and the smaller diameter of a wire-through hole, the short circuit caused by discharging is easy to occur, the machining difficulty is very high, and the alignment effect is also very unsatisfactory;

when the special clamping tool is adopted, the alignment of a workpiece coordinate system can be realized by means of aligning the center of the tool and the like, but the problems of high requirement on workpiece clamping and positioning, repeated verification, long auxiliary processing time spent in clamping and aligning and the like exist, the tool is difficult to adapt to the processing of parts with different diameters due to the limitation of the tool, the precision is poor, the application range of the tool is small, and the cost waste of the tool is repeatedly designed;

in summary, the conventional method causes the existence of wire cutting in the processing of inner holes of shaft parts: the special tool needs to be used for clamping, positioning and aligning, the processing preparation time is long, the alignment of a processing coordinate system is difficult, and the problems of low processing quality, low overall efficiency, single adaptability of the tool and the like are caused; the above-mentioned phenomenon is a problem to be solved by those skilled in the art.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model discloses a clamp for processing an inner hole of a shaft part.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a clamp for processing inner holes of shaft parts comprises a fixing component and a rotating component, wherein the fixing component comprises a right-angle-shaped fixing seat and a connecting plate, the horizontal edge of the fixing seat is correspondingly and fixedly connected with the connecting plate, the connecting plate is correspondingly and fixedly connected with a workbench platform surface of linear cutting equipment, and the vertical edge plane of the fixing seat is parallel to the Y axis of the linear cutting equipment; the rotating assembly comprises a V-shaped block and a pressing mechanism used for pressing the shaft part into a V-shaped groove of the V-shaped block, the center position of one end, departing from the V-shaped groove, of the V-shaped block is correspondingly and rotatably connected with the vertical edge of the fixing seat, and a locking mechanism used for locking the rotating assembly is arranged at the position, corresponding to the rotating connection position, of the fixing seat.

Preferably, the horizontal side plate surface of the fixing seat is provided with two corresponding parallel waist-shaped mounting holes at intervals, and the connecting plate surface is provided with a plurality of threaded holes in an array manner.

Preferably, the V-shaped block is correspondingly and rotatably connected with the fixed seat through a rotating shaft.

Preferably, one end of the rotating shaft is provided with a hexagonal head which is coaxial with the rotating shaft, the diameter of the opposite side of the hexagonal head is larger than the shaft diameter of the rotating shaft, and the end part of the other end of the rotating shaft is provided with an external thread; a counter bore correspondingly matched with the hexagonal head is arranged at the center of one side of the V-shaped groove of the V-shaped block, and a through hole correspondingly matched with the shaft body of the rotating shaft is arranged at the center of the bottom of the counter bore; the vertical side of the fixing seat is provided with a unthreaded hole which corresponds to the rotating shaft body in an inosculating way, and one side of the fixing seat, which deviates from the V-shaped block, is provided with a locking nut which is correspondingly screwed with the external thread end of the rotating shaft.

Preferably, hold-down mechanism contains bow-shaped frame and compression screw, and bow-shaped frame open end both sides correspond with the V type groove both sides of V type piece and are connected, and bow-shaped frame closed end central point puts the spiro union and has the compression screw that compresses tightly axle type part shaft body through the tip.

Preferably, the V type groove both sides of V type piece all are equipped with the fluting that length direction axis corresponds the parallel with the vertical limit face of fixing base, and bow-shaped rack open end both ends are equipped with the lug that corresponds the block with two flutings respectively.

Preferably, one end of the compression screw corresponding to the V-shaped block is rotatably connected with a pressing block.

Preferably, one end of the compression screw, which is far away from the V-shaped block, is provided with a jack.

Preferably, the locking mechanism is a positioning pin, a pin hole matched with the positioning pin is formed in one side, corresponding to the rotating shaft, of the V-shaped block, and the axis of the pin hole, the axis of the rotating shaft and the center line of the V-shaped groove of the V-shaped block are coplanar; four positioning holes which are matched with the positioning pins correspondingly are uniformly distributed on the outer side of the vertical side of the fixing seat corresponding to the rotating shaft, the axis connecting line of two positioning holes is vertical, and the axis connecting line of the other two positioning holes is horizontal.

Preferably, one end, deviating from the pin hole, of the positioning pin is provided with a handle.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. according to the clamp for processing the inner hole of the shaft part, the shaft part and the V-shaped block are simply fixed and reliably positioned through the V-shaped block and the pressing mechanism matched with the V-shaped block, so that the workpiece can be quickly assembled and disassembled, and the processing efficiency is further improved;

2. the alignment of the coordinate system of the workpiece can be quickly and accurately realized;

3. the commonality is strong, can the axle type part of multiple specification diameter.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a rotating assembly;

FIG. 3 is a schematic view of the fixing assembly;

fig. 4 is a schematic cross-sectional view of the present invention.

In the figure: 1. a fixing assembly; 1-1, fixing a base; 1-2, connecting plates; 2. a rotating assembly; 2-1, a V-shaped block; 2-2, a bow frame; 2-3, pressing the screw rod; 2-4, briquetting; 2-5, inserting holes; 3. a rotating shaft; 4. locking the nut; 5. positioning pins; 6. and (7) positioning the holes.

Detailed Description

The present invention will be explained in detail by the following embodiments, and the purpose of disclosing the utility model is to protect all technical improvements within the scope of the present invention, in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and it is convenient to describe the present invention, and it is not intended to indicate or imply that the referred device or element must have a specific orientation.

With reference to the attached drawings 1-4, the clamp for processing the inner hole of the shaft part comprises a fixed assembly 1 and a rotating assembly 2, wherein the fixed assembly 1 comprises a right-angle fixed seat 1-1 and a connecting plate 1-2, the horizontal edge of the fixed seat 1-1 is correspondingly and fixedly connected with the connecting plate 1-2, the connecting plate 1-2 is correspondingly and fixedly connected with a workbench platform surface of linear cutting equipment, and the vertical edge plane of the fixed seat 1-1 is parallel to the Y axis of the linear cutting equipment; according to the requirement, when the fixture is installed, any vertical side surface of the fixed seat 1-1 is straightened by using the lever dial indicator, and the error is ensured not to exceed 0.005mm, so that the vertical side plane of the fixed seat 1-1 is effectively ensured to be parallel to the Y axis of the linear cutting equipment; two corresponding parallel waist-shaped mounting holes are arranged on the horizontal side plate surface of the fixed seat 1-1 at intervals, and a plurality of threaded holes are arrayed on the plate surface of the connecting plate 1-2, so that the fixed seat 1-1 can be conveniently fastened and connected with a workbench of linear cutting equipment, and the position of the fixed seat can be conveniently adjusted;

the rotating assembly 2 comprises a V-shaped block 2-1 and a pressing mechanism for pressing the shaft parts into V-shaped grooves of the V-shaped block 2-1; according to the requirements, the pressing mechanism comprises an arc-shaped frame 2-2 and a pressing screw rod 2-3, two sides of the opening end of the arc-shaped frame 2-2 are correspondingly connected with two sides of a V-shaped groove of a V-shaped block 2-1, the center position of the closed end of the arc-shaped frame 2-2 is in threaded connection with the pressing screw rod 2-3 which presses a shaft body of the shaft part through the end part, namely the shaft body of the shaft part can be pressed through the pressing screw rod 2-3; two sides of a V-shaped groove of the V-shaped block 2-1 are respectively provided with a slot with the length direction axis parallel to the vertical side plate surface of the fixed seat 1-1, and two ends of the opening end of the bow-shaped frame 2-2 are respectively provided with a lug which is correspondingly clamped with the two slots, so that the bow-shaped frame 2-2 and the V-shaped block 2-1 can be conveniently and quickly clamped; one end of the compression screw 2-3, corresponding to the V-shaped block 2-1, is rotatably connected with a pressing block 2-4, so that the shaft body of the shaft part is prevented from being damaged when the compression screw 2-3 is screwed to compress the shaft part; one end of the compression screw rod 2-3, which is far away from the V-shaped block 2-1, is provided with a jack 2-5, namely, a straight rod can be inserted into the jack 2-5 when the shaft part is compressed, so that the compression screw rod 2-3 can be conveniently and manually screwed;

the center position of one end of the V-shaped block 2-1, which is far away from the V-shaped groove, is correspondingly and rotatably connected with the vertical edge of the fixed seat 1-1, and a locking mechanism for locking the rotating assembly 2 is arranged at the position, corresponding to the rotary connection position, of the fixed seat 1-1; according to the requirement, the locking mechanism is a positioning pin 5, a pin hole matched with the positioning pin 5 is formed in one side, corresponding to the rotating shaft 3, of the V-shaped block 2-1, and the axis of the pin hole, the axis of the rotating shaft 3 and the center line of the V-shaped groove of the V-shaped block 2-1 are coplanar; four positioning holes 6 which are matched with the positioning pins 5 correspondingly are uniformly distributed on the vertical side of the fixed seat 1-1 corresponding to the outer side of the rotating shaft 3, the axis connecting line of two positioning holes 6 is vertical, and the axis connecting line of the other two positioning holes 6 is horizontal, so that the positioning pins 5 and the positioning holes 6 can be matched to enable the V-shaped block 2-1 to rotate 90 degrees quickly, and the processing efficiency is effectively improved; a handle is arranged at one end of the positioning pin 5, which is far away from the pin hole, so that the positioning pin 5 can be quickly plugged in and pulled out through the handle, and the use is convenient and quick;

in addition, the V-shaped block 2-1 is correspondingly and rotatably connected with the fixed seat 1-1 through a rotating shaft 3, one end of the rotating shaft 3 is provided with a hexagonal head which is coaxial with the rotating shaft 3, the diameter of the opposite side of the hexagonal head is larger than the axial diameter of the rotating shaft 3, and the end part of the other end of the rotating shaft 3 is provided with an external thread; a counter bore correspondingly matched with the hexagonal head is arranged at the center of one side of the V-shaped groove of the V-shaped block 2-1, and a through hole correspondingly matched with the shaft body of the rotating shaft 3 is arranged at the center of the bottom of the counter bore; the vertical edge of the fixed seat 1-1 is provided with a unthreaded hole which is correspondingly matched with the shaft body of the rotating shaft 3 in an anastomotic manner, and one side of the fixed seat 1-1, which is far away from the V-shaped block 2-1, is provided with a locking nut 4 which is correspondingly screwed with the external thread end of the rotating shaft 3, namely the V-shaped block 2-1 can drive the rotating shaft 3 to rotate along the axis of the rotating shaft by adjusting the locking nut 4; when the V-shaped block 2-1 rotates to the position, the locking nut 4 can be screwed down, and the V-shaped block 2-1 is ensured to be reliably positioned.

When the clamp for processing the inner hole of the shaft part is implemented, the shaft part with the central wire through hole is clamped in a V-shaped groove of a V-shaped block 2-1; the shaft part is made to be horizontal, a workbench of the linear cutting equipment is operated to move, two sides of the shaft end of the shaft part are respectively contacted with molybdenum wires of the linear cutting equipment, coordinate values of the two sides of the shaft end of the shaft part when the two sides of the shaft end of the shaft part are contacted with the molybdenum wires are recorded, and the half of the two coordinate values is the center of an X axis; then, the axis of the shaft part is vertical, and the rotating assembly 2 is locked through a locking mechanism; operating the worktable of the linear cutting equipment to move, enabling two sides of the V-shaped block 2-1 to respectively touch the molybdenum wires of the linear cutting equipment, and recording coordinate values when two sides of the V-shaped block 2-1 touch the molybdenum wires, wherein the sum of the two coordinate values is half of the Y-axis center; if the V-shaped block 2-1 is of a cube structure, the worktable of the linear cutting equipment can be directly operated to move after the X-axis center is measured, and the Y-axis center coordinate is directly measured.

The utility model is not described in detail in the prior art, and it is apparent to a person skilled in the art that the utility model is not limited to details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 intended to be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an axle type anchor clamps for part hole processing, characterized by: the wire cutting machine comprises a fixing component (1) and a rotating component (2), wherein the fixing component (1) comprises a right-angle fixing seat (1-1) and a connecting plate (1-2), the horizontal edge of the fixing seat (1-1) is correspondingly and fixedly connected with the connecting plate (1-2), the connecting plate (1-2) is correspondingly and fixedly connected with the workbench surface of a wire cutting device, and the vertical edge plane of the fixing seat (1-1) is parallel to the Y axis of the wire cutting device; the rotating assembly (2) comprises a V-shaped block (2-1) and a pressing mechanism used for pressing the shaft parts into the V-shaped grooves of the V-shaped block (2-1), the center position of one end, deviating from the V-shaped grooves, of the V-shaped block (2-1) is correspondingly and rotatably connected with the vertical edge of the fixing seat (1-1), and a locking mechanism used for locking the rotating assembly (2) is arranged at the position, corresponding to the rotary connection position, of the fixing seat (1-1).

2. The clamp for processing the inner hole of the shaft part as claimed in claim 1, which is characterized in that: two corresponding parallel waist-shaped mounting holes are formed in the horizontal side plate surface of the fixing seat (1-1) at intervals, and a plurality of threaded holes are formed in the plate surface of the connecting plate (1-2) in an array mode.

3. The clamp for processing the inner hole of the shaft part as claimed in claim 1, which is characterized in that: the V-shaped block (2-1) is correspondingly and rotatably connected with the fixed seat (1-1) through a rotating shaft (3).

4. The clamp for processing the inner hole of the shaft part as claimed in claim 3, which is characterized in that: one end of the rotating shaft (3) is provided with a hexagonal head which is coaxial with the rotating shaft (3), the diameter of the opposite side of the hexagonal head is larger than the shaft diameter of the rotating shaft (3), and the end part of the other end of the rotating shaft (3) is provided with an external thread; a counter bore correspondingly matched with the hexagonal head is arranged at the center of one side of the V-shaped groove of the V-shaped block (2-1), and a through hole correspondingly matched with the shaft body of the rotating shaft (3) is formed in the center of the bottom of the counter bore; the vertical edge of the fixed seat (1-1) is provided with a unthreaded hole which is correspondingly matched with the shaft body of the rotating shaft (3), and one side of the fixed seat (1-1) departing from the V-shaped block (2-1) is provided with a locking nut (4) which is correspondingly threaded with the external thread end of the rotating shaft (3).

5. The clamp for processing the inner hole of the shaft part as claimed in claim 1, which is characterized in that: the pressing mechanism comprises an arch frame (2-2) and pressing screws (2-3), two sides of the opening end of the arch frame (2-2) are correspondingly connected with two sides of a V-shaped groove of the V-shaped block (2-1), and the center of the closed end of the arch frame (2-2) is connected with the pressing screws (2-3) which press shaft parts through the end parts.

6. The clamp for processing the inner hole of the shaft part as claimed in claim 5, which is characterized in that: two sides of a V-shaped groove of the V-shaped block (2-1) are respectively provided with a groove with the length direction axis parallel to the vertical side plate surface of the fixed seat (1-1), and two end parts of the opening end of the bow-shaped frame (2-2) are respectively provided with a convex block clamped with the two grooves correspondingly.

7. The clamp for processing the inner hole of the shaft part as claimed in claim 5, which is characterized in that: one end of the compression screw rod (2-3) corresponding to the V-shaped block (2-1) is rotatably connected with a pressing block (2-4).

8. The clamp for processing the inner hole of the shaft part as claimed in claim 5, which is characterized in that: one end of the compression screw rod (2-3) departing from the V-shaped block (2-1) is provided with an insertion hole (2-5).

9. The clamp for processing the inner hole of the shaft part as claimed in claim 3, which is characterized in that: the locking mechanism is a positioning pin (5), a pin hole which is matched with the positioning pin (5) correspondingly is formed in one side, corresponding to the rotating shaft (3), of the V-shaped block (2-1), and the axis of the pin hole, the axis of the rotating shaft (3) and the center line of the V-shaped groove of the V-shaped block (2-1) are coplanar; four positioning holes (6) which are matched with the positioning pins (5) in a corresponding way are uniformly distributed on the vertical edge of the fixed seat (1-1) corresponding to the outer side of the rotating shaft (3), the axis connecting line of two positioning holes (6) is vertical, and the axis connecting line of the other two positioning holes (6) is horizontal.

10. The jig for processing the inner holes of the shaft parts as claimed in claim 9, wherein: and a handle is arranged at one end of the positioning pin (5) deviating from the pin hole.

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