CN217571816U

CN217571816U - Lathe fixture for machining precision parts

Info

Publication number: CN217571816U
Application number: CN202220946343.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Suzhou Tianbang Century Auto Parts Co ltd
Current assignee: Suzhou Tianbang Century Auto Parts Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-10-14
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a turning attachment of accurate parts processing, which comprises a fixing disc, inside one side of fixed disk is provided with first fixing device, first fixing device's outer end is provided with drive arrangement, drive arrangement's one end is provided with first connecting cylinder, the outer end of first connecting cylinder is provided with the fillet of screw, first connecting cylinder is kept away from one side of first fixing device is provided with the second connecting cylinder, the inner wall of second connecting cylinder be provided with fillet of screw complex thread groove, keep away from the inside of second connecting cylinder one side of first connecting cylinder is provided with second fixing device. Has the beneficial effects that: the round shrink ring formed by the second fixing device is convenient to adapt to cylindrical materials in different shapes, so that corners have relatively stable fulcrums, the stability of the device is improved, and the axis of the material is convenient to determine to prevent the device from shaking in work.

Description

Lathe fixture for machining precision parts

Technical Field

The utility model relates to a lathe parts technical field particularly, relates to a turning attachment of accurate parts machining.

Background

A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. A lathe is the most important type of metal cutting machine, and the number of lathes is the largest in a general machine manufacturing plant, and is also called a master machine. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a threading die, a knurling tool and the like. The lathe functions to cut various rotating surfaces of different sizes and shapes, as well as helical surfaces. The lathe fixture is used for processing the inner and outer rotary surfaces and the end surface of a workpiece on a lathe. Most lathe fixtures are arranged on the main shaft; a few are mounted on saddles or bedbeds.

At present, the lathe clamp usually comprises a three-jaw chuck or a four-jaw chuck, the clamping mode has a good clamping effect on cylindrical materials, but angular materials cannot be clamped, a special tool is usually required to clamp the angular materials, the mode is difficult to determine the axis of the angular materials, and shaking is easy to occur during turning.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a turning attachment of accurate parts machining to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a turning attachment of accurate parts processing, includes the fixed disk, inside one side of fixed disk is provided with first fixing device, first fixing device's outer end is provided with drive arrangement, drive arrangement's one end is provided with first connecting cylinder, the outer end of first connecting cylinder is provided with the fillet of screw, first connecting cylinder is kept away from one side of first fixing device is provided with the second connecting cylinder, the inner wall of second connecting cylinder be provided with fillet of screw complex thread groove, one side that first connecting cylinder was kept away from to the inside of second connecting cylinder is provided with second fixing device.

Further, first fixing device include with a plurality of evenly distributed's that the fixed disk is connected back shaft, one side of back shaft all is provided with the grip block, just the grip block is kept away from the one end grow gradually of back shaft, the middle part of grip block is provided with the driving cylinder, the upper end of driving cylinder is provided with transmission, the driving cylinder is close to the one end of first connecting cylinder is provided with the fixed slot.

Furthermore, transmission is including being located drive cylinder outer end surface is provided with first transmission gear, the lower extreme of first transmission gear is provided with second drive gear, first transmission gear with one side of second drive gear is provided with swing joint's synchronous board, second drive gear keeps away from one side of synchronous board is provided with driving motor.

Furthermore, one side of the inside of the first connecting cylinder, which is close to the driving cylinder, is provided with a fixing block matched with the fixing groove, and the fixing groove is fixedly connected with the fixing block.

Furthermore, the second fixing device comprises a first fixing point connected with the first connecting cylinder, a clamp rod is arranged in the middle of one side, away from the first connecting cylinder, of the first fixing point, one end, away from the first fixing point, of the clamp rod is provided with a second fixing point connected with the second connecting cylinder, and the clamp rod is movably connected with the first fixing point and the second fixing point.

Furthermore, a sliding groove is formed in the position, corresponding to the transmission motor, of the outer surface of the second connecting cylinder, a sliding plate matched with the sliding groove is arranged at the lower end of the transmission motor, and a clamp shell connected with the fixed disc is arranged at the outer end of the second connecting cylinder.

The utility model provides a turning attachment of accurate parts machining, beneficial effect as follows: when in use, the fixed disc is fixed at the upper end of the rotating shaft of the lathe to drive the clamp to rotate when the rotating shaft rotates, the first connecting cylinder is pushed to move through the action of the driving device, the second connecting cylinder is rotated while moving through the matching between the thread groove and the thread ring inside the second connecting cylinder, so that the second fixing device is contracted to achieve the clamping action, the first fixing device is contracted when the driving device moves to achieve the clamping action, the clamping purpose is achieved through the matching between the first fixing device and the second fixing device, the second transmission gear is driven to rotate through the rotation of the transmission motor, the first transmission gear is rotated through the rotation of the second transmission gear, so that the driving cylinder rotates, and as the driving cylinder and the first connecting cylinder are fixedly connected with the fixed groove through the fixed block, the first connecting cylinder is enabled to move forwards, the second transmission gear, the transmission motor and the driving cylinder synchronously move through the arrangement of the synchronous plate, the clamping plate is enabled to be continuously buckled inwards through the movement of the driving cylinder, so that the aim of fixing and clamping is achieved, the first fixing point and the second fixing point are provided with the fixing clamp rod, the first fixing point rotates around the axis of the first connecting cylinder through the rotation of the first connecting cylinder, so that the clamp rod inclines, the middle part of the clamp rod simultaneously shrinks inwards, so that the clamp rod forms a circular shrinking ring, so that the aim of shrinking and clamping is achieved, the transmission motor is convenient to move through the matching arrangement between the sliding groove and the sliding plate, the purpose of fixing the transmission motor is achieved, the circular shrinking ring is convenient to adapt to cylindrical materials with different shapes, the angular positions have relatively stable fulcrums, and the stability of the device is improved, and the shaft center of the material is convenient to determine so as to prevent the device from shaking in operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a lathe fixture for precision part machining according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a second fixing device of a lathe fixture for precision part machining according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a transmission device of a lathe fixture for machining precision parts according to an embodiment of the present invention.

In the figure:

1. fixing the disc; 2. a first fixing device; 3. a drive device; 4. a first connecting cylinder; 5. a thread ring; 6. a second connecting cylinder; 7. a thread groove; 8. a second fixing device; 9. a support shaft; 10. a clamping plate; 11. a drive cylinder; 12. a transmission device; 13. fixing grooves; 14. a first drive gear; 15. a second transmission gear; 16. a synchronization board; 17. a drive motor; 18. a fixed block; 19. a first fixed point; 20. a clamp rod; 21. a second fixed point; 22. a sliding groove; 23. a slide plate.

Detailed Description

To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.

According to the utility model discloses an embodiment provides a turning attachment of accurate parts machining.

The first embodiment is as follows:

as shown in fig. 1-3, according to the utility model discloses turning attachment of precision parts processing, including fixed disk 1, inside one side of fixed disk 1 is provided with first fixing device 2, the outer end of first fixing device 2 is provided with drive arrangement 3, the one end of drive arrangement 3 is provided with first connecting cylinder 4, the outer end of first connecting cylinder 4 is provided with the fillet of thread 5, first connecting cylinder 4 keeps away from one side of first fixing device 2 is provided with second connecting cylinder 6, the inner wall of second connecting cylinder 6 be provided with fillet of thread 5 complex thread 7, keep away from in the inside of second connecting cylinder 6 one side of first connecting cylinder 4 is provided with second fixing device 8.

When the lathe turning fixture is used, the fixed disc 1 is fixed at the upper end of a rotating shaft of a lathe, when the rotating shaft rotates, the fixture is driven to rotate so as to achieve the purpose of turning, the first connecting cylinder 4 is pushed to move through the action of the driving device 3, the second connecting cylinder 6 rotates while moving through the matching between the thread groove 7 and the thread ring 5 inside the second connecting cylinder 6, so that the second fixing device 8 contracts to achieve the effect of clamping, the driving device 3 contracts the first fixing device 2 when moving, the effect of clamping is achieved, and the purpose of clamping is achieved through the matching between the first fixing device and the second fixing device.

The second embodiment:

as shown in fig. 1-3, the first fixing device 2 includes a plurality of evenly distributed supporting shafts 9 connected to the fixed disk 1, a clamping plate 10 is disposed on one side of each supporting shaft 9, one end of each clamping plate 10, which is far away from the supporting shaft 9, is gradually enlarged, a driving cylinder 11 is disposed in the middle of each clamping plate 10, a transmission device 12 is disposed at the upper end of each driving cylinder 11, and a fixing groove 13 is disposed at one end of each driving cylinder 11, which is close to the first connecting cylinder 4. The transmission device 12 comprises a driving cylinder 11, a first transmission gear 14 is arranged on the outer end surface of the driving cylinder, a second transmission gear 15 is arranged at the lower end of the first transmission gear 14, the first transmission gear 14 and one side of the second transmission gear 15 are provided with a synchronous plate 16 which is movably connected, and a transmission motor 17 is arranged on one side, far away from the synchronous plate 16, of the second transmission gear 15. One side of the inside of the first connecting cylinder 4, which is close to the driving cylinder 11, is provided with a fixing block 18 which is matched with the fixing groove 13, and the fixing groove 13 is fixedly connected with the fixing block 18.

The second transmission gear 15 is driven to rotate by the rotation of the transmission motor 17, the first transmission gear 14 is driven to rotate by the rotation of the second transmission gear 15, so that the driving cylinder 11 rotates, the driving cylinder 11 and the first connecting cylinder 4 are fixedly connected with the fixing groove 13 through the fixing block 18, the first connecting cylinder 4 moves forwards, the second transmission gear 15, the transmission motor 17 and the driving cylinder 11 synchronously move by the arrangement of the synchronizing plate 16, and the clamping plate 10 is continuously buckled inwards by the movement of the driving cylinder 11, so that the purpose of fixing and clamping is achieved.

Example three:

as shown in fig. 1 to 3, the second fixing device 8 includes a first fixing point 19 connected to the first connecting cylinder 4, a clamp rod 20 is disposed at a middle portion of a side of the first fixing point 19 away from the first connecting cylinder 4, a second fixing point 21 connected to the second connecting cylinder 6 is disposed at an end of the clamp rod 20 away from the first fixing point 19, and the clamp rod 20 is movably connected to the first fixing point 19 and the second fixing point 21. The outer surface of the second connecting cylinder 6 and the position corresponding to the transmission motor 17 are provided with sliding grooves 22, the lower end of the transmission motor 17 is provided with sliding plates 23 matched with the sliding grooves 22, and the outer end of the second connecting cylinder 6 is provided with a clamp shell connected with the fixed disc 1.

The fixture rod 20 is fixed through the arrangement of the first fixing point 19 and the second fixing point 21, the first fixing point 19 rotates around the axis of the first connecting cylinder 4 through the rotation of the first connecting cylinder 4, so that the fixture rod 20 inclines, the middle part of the fixture rod 20 simultaneously shrinks inwards, so that a circular shrinking ring is formed, the purpose of shrinking and clamping is achieved, the transmission motor 17 can move conveniently through the matching arrangement between the sliding groove 22 and the sliding plate 23, the purpose of fixing the transmission motor is achieved, the circular shrinking ring is convenient to adapt to cylindrical materials of different shapes, corners are provided with relatively stable fulcrums, the stability of the device is improved, and the axis of the material can be determined conveniently to prevent the device from shaking in work.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when in use, the fixed disc 1 is fixed at the upper end of a rotating shaft of a lathe, when the rotating shaft rotates, the clamp is driven to rotate so as to achieve the purpose of turning, the first connecting cylinder 4 is pushed to move through the action of the driving device 3, the second connecting cylinder 6 rotates while moving through the matching between the thread groove 7 and the thread ring 5 in the second connecting cylinder 6, so that the second fixing device 8 contracts to achieve the clamping effect, the first fixing device 2 contracts when the driving device 3 moves so as to achieve the clamping effect, the clamping purpose is achieved through the matching between the first fixing device and the second fixing device, the second transmission gear 15 is driven to rotate through the rotation of the transmission motor 17, the first transmission gear 14 rotates through the rotation of the second transmission gear 15, so that the driving cylinder 11 rotates, and the first connecting cylinder 4 are fixedly connected with the fixed groove 13 through the fixed block 18, the first connecting cylinder 4 is moved forwards, the second transmission gear 15, the transmission motor 17 and the driving cylinder 11 move synchronously through the arrangement of the synchronous plate 16, the clamping plate 10 is continuously buckled inwards through the movement of the driving cylinder 11, so that the purpose of fixing and clamping is achieved, the clamp rod 20 is fixed through the arrangement of the first fixing point 19 and the second fixing point 21, the first fixing point 19 rotates around the axis of the first connecting cylinder 4 through the rotation of the first connecting cylinder 4, so that the clamp rod 20 inclines, the middle part of the clamp rod 20 simultaneously contracts inwards, so that a circular contraction ring is formed, the purpose of contracting and clamping is achieved, the transmission motor 17 is convenient to move through the matching arrangement between the sliding groove 22 and the sliding plate 23, the purpose of fixing the transmission motor is achieved, and the circular contraction ring is convenient to adapt to cylindrical materials with different shapes, the edge part has a relatively stable pivot, thereby improving the stability of the device, being convenient for determining the axis of the material and preventing the device from shaking in work.

To sum up, with the aid of the above technical scheme of the utility model, the circular shape shrink ring that forms through the second fixing device is convenient for adapt to the cylindricality material of different shapes, makes the edges and corners position have relatively stable fulcrum to improve the stability of device, and be convenient for confirm the axle center of material and prevent the shake of during operation device.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The lathe fixture for machining the precise component is characterized by comprising a fixed disc (1), wherein a first fixing device (2) is arranged on one side of the inside of the fixed disc (1), a driving device (3) is arranged at the outer end of the first fixing device (2), a first connecting cylinder (4) is arranged at one end of the driving device (3), a threaded ring (5) is arranged at the outer end of the first connecting cylinder (4), a second connecting cylinder (6) is arranged on one side, away from the first fixing device (2), of the first connecting cylinder (4), a threaded groove (7) matched with the threaded ring (5) is formed in the inner wall of the second connecting cylinder (6), and a second fixing device (8) is arranged on one side, away from the first connecting cylinder (4), of the inside of the second connecting cylinder (6).

2. The turning attachment for machining precision parts according to claim 1, characterized in that the first fixing device (2) comprises a plurality of evenly distributed supporting shafts (9) connected with the fixed plate (1), a clamping plate (10) is arranged on each side of the supporting shafts (9), one ends of the clamping plates (10) far away from the supporting shafts (9) become larger gradually, a driving cylinder (11) is arranged in the middle of the clamping plates (10), a transmission device (12) is arranged at the upper end of the driving cylinder (11), and a fixing groove (13) is arranged at one end of the driving cylinder (11) close to the first connecting cylinder (4).

3. The turning attachment for machining precision parts according to claim 2, characterized in that the transmission device (12) comprises a first transmission gear (14) arranged on the outer end surface of the driving cylinder (11), a second transmission gear (15) arranged at the lower end of the first transmission gear (14), a movably connected synchronizing plate (16) arranged on one side of the first transmission gear (14) and the second transmission gear (15), and a transmission motor (17) arranged on the side of the second transmission gear (15) far away from the synchronizing plate (16).

4. The turning attachment for machining precision parts according to claim 3, characterized in that a fixing block (18) matched with the fixing groove (13) is arranged on one side of the inside of the first connecting cylinder (4) close to the driving cylinder (11), and the fixing groove (13) is fixedly connected with the fixing block.

5. The turning attachment for machining precision parts according to claim 4, characterized in that the second fixing device (8) comprises a first fixing point (19) connected to the first connecting cylinder (4), a second fixing point (21) connected to the second connecting cylinder (6) is arranged at the middle of one side of the first fixing point (19) away from the first connecting cylinder (4), a clamp rod (20) is arranged at one end of the clamp rod (20) away from the first fixing point (19), and the clamp rod (20) is movably connected to the first fixing point (19) and the second fixing point (21).

6. The turning attachment for machining precision parts according to claim 5, wherein a sliding groove (22) is formed in the outer surface of the second connecting cylinder (6) at a position corresponding to the transmission motor (17), a sliding plate (23) which is matched with the sliding groove (22) is formed at the lower end of the transmission motor (17), and an attachment housing which is connected with the fixed disk (1) is formed at the outer end of the second connecting cylinder (6).