Multifunctional lathe fixture

Abstract

The utility model relates to the technical field of lathe machining fixtures, in particular to a multifunctional lathe fixture, which comprises a base plate, a first clamping plate, a second clamping plate and a clamping device. The plurality of fixing pieces are circumferentially and uniformly arranged on the chassis in a rotatable manner, and are used for abutting against a fixed object; the number of the driving parts is equal to that of the fixing parts, and each driving part abuts against the corresponding fixing part; the driving ring is fixedly connected with each driving piece and is coaxially and rotatably arranged on the chassis; the rotating part is connected with the driving ring and used for driving the driving ring to rotate, the driving ring is used for synchronously driving all the driving parts to rotate in the forward direction, and all the driving parts are used for driving the corresponding fixing parts to rotate; the first locking piece is connected with the rotating piece and used for fixing the rotating piece. The multifunctional lathe fixture aims at solving the problem that in the prior art, when a lathe chuck is used, the loosening and tightening efficiency is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe processing fixture technical field, and more specifically, it relates to a multifunctional lathe fixture 。 BACKGROUND

[0002] Among all kinds of metal cutting machine tools, the lathe is the most widely used one. The lathe can use turning tools to turn workpieces, and can use drill bits, reamers, taps and knurling tools to drill holes, ream holes, tap threads and so on. The turning technology is developing towards high efficiency and high quality. In order to improve the efficiency of turning, different turning processes use various lathe fixtures. At present, the lathe fixture for turning the inner hole of the tubular workpiece mostly uses a three-jaw chuck. When turning with the three-jaw chuck, the worker needs to operate every time the workpiece is clamped and unclamped. Although the three jaws of the chuck can communicate with each other, in order to improve the stability of fixation, the three jaws usually need to be tightened. This process greatly affects the efficiency of turning work. SUMMARY

[0003] The main purpose of the utility model is to provide a multifunctional lathe fixture, which aims to solve the problem of low tightening efficiency of the lathe chuck in the prior art.

[0004] In order to solve the above technical problems, a multifunctional lathe fixture is provided, which comprises a base plate with a first fixing hole in the center;

[0005] A plurality of fixing members are circumferentially and rotatably arranged on the base plate and used for abutting against the fixed object;

[0006] A plurality of driving members are provided, the number of the driving members is equal to the number of the fixing members, and each driving member abuts against each fixing member;

[0007] A driving ring is fixedly connected with each driving member and coaxially and rotatably arranged on the base plate;

[0008] A rotating member is connected with the driving ring and used for driving the driving ring to rotate, the driving ring is used for synchronously driving each driving member to rotate in the same direction, and each driving member is used for driving the corresponding fixing member to rotate;

[0009] A first locking member is connected with the rotating member and used for fixing the rotating member.

[0010] In any of the above technical solutions, further comprising:

[0011] A connecting plate is covered outside the driving ring and arranged on the base plate, and has a gap for avoiding the rotating member;

[0012] A face disc is provided with a second fixing hole in the center, and is arranged on the side of the connecting disc away from the bottom disc and fixedly connected with the connecting disc or the bottom disc.

[0013] In any of the above technical solutions, further, the side of the bottom disc close to the connecting disc is provided with a first guide slot, and one end of each driving member is clamped in the first guide slot.

[0014] The side of the face disc close to the connecting disc is provided with a second guide slot, and the other end of each driving member is clamped in the second guide slot.

[0015] In any of the above technical solutions, further, the utility model also includes:

[0016] A plurality of reset members, the number of the reset members is equal to the number of the fixing members, and each reset member is in abutment with each fixing member, and both ends of each reset member are clamped in the first guide slot and the second guide slot respectively.

[0017] A reset ring is fixedly connected with each reset member and coaxially and rotatably arranged on the bottom disc.

[0018] A handle part is arranged on the reset ring and extends to the notch, the reset ring is used for driving synchronous rotation of each reset member, and the reset member is used for driving reverse rotation of each driving member.

[0019] A second locking member is arranged on the connecting disc and used for fixing the reset ring.

[0020] The utility model has the advantages of:

[0021] 1. The multifunctional lathe clamp of the utility model realizes the adjustment of the usable hole diameter of the first fixing hole in the center of the bottom disc through the adjustment of the rotation angle of the plurality of fixing members, so as to adapt to different thicknesses of the to-be-fixed objects, and only needs to rotate the rotating member to drive the driving ring to rotate during use, so as to synchronously drive the outer side surface of each fixing member to be close to the central shaft of the bottom disc, finally, the rotating member is locked through the first locking member, and the use mode is simple; 2. The multifunctional lathe clamp of the utility model can reversely drive each fixing member to move away from the central axis of the bottom disc through the arrangement of the reset member and the reset ring, so as to facilitate the clamping of the to-be-fixed object into the bottom disc and improve the convenience of use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a three-dimensional structure schematic diagram of a multifunctional lathe clamp of the utility model embodiment;

[0023] Fig. 2 It is a partial structure schematic diagram of a multifunctional lathe clamp of the utility model embodiment.

[0024] Fig. 3 This is a cross-sectional structural diagram of a multifunctional lathe fixture according to an embodiment of the present invention.

[0025] The annotations in the attached figures are explained as follows:

[0026] 1. Chassis; 101. First guide groove;

[0027] 2. Fasteners; 201. Curved surface;

[0028] 3. Driving components;

[0029] 4. Drive ring;

[0030] 5. Rotating parts;

[0031] 6. First locking element;

[0032] 7. Connecting disk;

[0033] 8. Dish;

[0034] 9. Reset component;

[0035] 10. Reset ring; 1001. Handle; 11. Second locking element. Detailed Implementation

[0036] In this embodiment, as Figs. 1 to 3 As shown, the multi-functional lathe fixture includes: a chassis 1 with a first fixing hole in the center;

[0037] Multiple fasteners 2 are evenly and rotatably arranged on the chassis 1 for contacting the object being fixed.

[0038] Multiple driving components 3, the number of driving components 3 is equal to the number of fixing components 2, and each driving component 3 abuts against each fixing component 2 respectively;

[0039] The drive ring 4 is fixedly connected to each drive component 3 and is coaxially and rotatably mounted on the chassis 1.

[0040] Rotating component 5 is connected to drive ring 4 and is used to drive drive ring 4 to rotate. Drive ring 4 is used to synchronously drive each driving component 3 to rotate in the same direction. Each driving component 3 is used to drive the corresponding fixed component 2 to rotate.

[0041] The first locking element 6 is connected to the rotating element 5 and is used to fix the driving element 3.

[0042] In the technical solution, the base plate 1 is disc-shaped, and a circular first fixing hole is arranged in the middle and penetrates the base plate 1 in the axial direction. Four fixing members 2 are arranged on the front side of the base plate 1 and rotatable through a pin, and the four fixing members 2 are arranged uniformly in the circumferential direction. The side of the fixing member 2 close to the axial center of the base plate 1 is arranged as an arc surface 201, which is used for abutting and gradually extruding the space when extruding the fixed object, so as to fix the object to be fixed. The side of the fixing member 2 close to the rotating member 5 is arranged as an approximately L-shaped plane. The driving member 3 is fixed on the driving ring 4, and the driving ring 4 is coaxially rotatable on the base plate 1.

[0043] With the rotation of the driving ring 4, the driving member 3 abuts the aforementioned L-shaped plane, and the fixing member 2 rotates towards the axial center of the base plate 1, that is, rotates in the forward direction. With the rotation of the fixing member 2 towards the axial center, the part of the arc surface 201 of the fixing member 2 extending towards the axial center of the base plate 1 is more, and the space available in the center of the base plate 1 is smaller.

[0044] The object to be fixed is placed in the first fixing hole between the rotating fixing members 2, and then with the rotation of the driving ring 4, the four fixing members 2 can abut the surface of the object to be fixed. The outer side of the driving ring 4 is provided with a worm gear structure, the rotating member 5 is a worm, rotatable through a support on the base plate 1 and matched with the worm gear on the outer side of the driving ring 4. With the rotation of the rotating member 5, the driving ring 4 can be driven to rotate. The rotating member 5 is provided with external threads, and the first locking member is a nut. In use, the rotating member 5 is rotated until each fixing member 2 abuts the object to be fixed. Then the first locking member is tightened on the support supporting the rotating member 5, so that the positions of the rotating member 5, the driving ring 4 and the fixing member 2 are locked.

[0045] In this embodiment, it also includes:

[0046] The connecting plate 7 is arranged on the outer side of the driving ring 4 and on the base plate 1, and is provided with a gap for avoiding the rotating member 5;

[0047] The face plate 8 is provided with a second fixing hole in the center and is fixedly connected with the connecting plate 7 or the base plate 1 on the side away from the base plate 1.

[0048] In the technical solution, the connecting plate 7 is circular and tubular, and is fixed on the front side of the base plate 1. The face plate 8 has the same structure as the base plate 1 and is fixed on the front side of the connecting plate 7. The connecting plate 7 is provided with a gap or a hollow part at the position corresponding to the rotating member 5, so as to facilitate the user to adjust the rotating member 5 and the first locking member 6. The connecting plate 7 and the face plate 8 are arranged to surround the fixing member 2, the driving member 3, the driving ring 4 and other structures, so as to reduce the possibility of hurting people when the clamp rotates.

[0049] In the embodiment, the chassis 1 is provided with a first guide slot 101 on the side close to the connecting disc 7, and one end of each driving member 3 is clamped in the first guide slot 101;

[0050] The face disc 8 is provided with a second guide slot on the side close to the connecting disc 7, and the other end of each driving member 3 is clamped in the second guide slot.

[0051] In the technical solution, the driving member 3 is a circular rod, the front side of the chassis 1 is provided with a circular first guide slot 101, the rear side of the face disc 8 is provided with a circular second guide slot, the front end and the rear end of each driving member 3 are clamped in the first guide slot 101 and the second guide slot respectively, and the coaxial rotation connection of the driving ring 4 and the chassis 1 is realized through each fixing member 2, the first guide slot 101 and the second guide slot.

[0052] In the embodiment, the chassis 1 is provided with a first guide slot 101 on the side close to the connecting disc 7, and one end of each driving member 3 is clamped in the first guide slot 101;

[0053] A plurality of reset members 9, the number of the reset members 9 is equal to the number of the fixing members 2, and each reset member 9 abuts against each fixing member 2, and both ends of each reset member 9 are clamped in the first guide slot 101 and the second guide slot respectively;

[0054] A reset ring 10 is fixedly connected with each reset member 9 and coaxially and rotatably arranged on the chassis 1;

[0055] The reset ring 10 is provided with a handle part 1001 extending to the notch, the reset ring 10 is used for driving each reset member 9 to rotate synchronously, and the reset member 9 is used for driving each driving member 3 to rotate reversely;

[0056] A second locking member 11 is arranged on the connecting disc 7 and used for fixing the reset ring 10.

[0057] In the technical solution, the reset member 9 has the same structure as the driving member 3 and is in a cylindrical rod shape, each reset member 9 is slidably clamped in the first guide slot 101 and the second guide slot. The reset member 9 is fixed on the reset ring 10, and the coaxial rotation connection of the reset ring 10 and the chassis 1 is realized through each reset member 9, the first guide slot 101 and the second guide slot. The reset ring 10 is provided with a protrusion on the outer side corresponding to the rotation, and the protrusion is the handle part 1001. The reset ring 10 is rotated through the handle part 1001 to synchronously drive each reset member 9 to rotate. The reset member 9 abuts against the flat section directly connected with the arc surface 201 of the fixing member 2. The reset ring 10 is driven to rotate counterclockwise to drive each fixing member 2 to rotate counterclockwise or reversely, so that the fixing hole in the center of the chassis 1 and the face disc 8 is opened, and the fixed object on the clamp is convenient to disassemble and assemble. The connecting disc 7 is provided with a through screw hole corresponding to the outer side of the reset ring 10, the second locking member 11 is a bolt, and the screw hole is provided with a screw thread. The reset ring 10 is fixed by abutting against the reset ring 10 through the second locking member 11.

Claims

1. A multi-functional lathe fixture, characterized by, The utility model relates to a fixing device for fixing objects, comprising: a base plate (1) with a first fixing hole in the center; a plurality of fixing members (2) arranged uniformly and rotatably on the base plate (1) for abutting against the objects to be fixed; a plurality of driving members (3) equal in number to the fixing members (2), each of which abuts against a corresponding fixing member (2); a driving ring (4) fixedly connected with each driving member (3) and coaxially rotatable on the base plate (1); a rotating member (5) connected with the driving ring (4) for driving the driving ring (4) to rotate, the driving ring (4) being used to drive each driving member (3) to rotate in the same direction, and each driving member (3) being used to drive the corresponding fixing member (2) to rotate; a first locking member (6) connected with the rotating member (5) for fixing the rotating member (5).

2. The multi-functional lathe fixture according to claim 1, wherein Further comprising: a connecting plate (7) covering the outer side of the driving ring (4) and arranged on the base plate (1) and provided with a gap for avoiding the rotating member (5); a face plate (8) provided with a second fixing hole in the center and arranged on the side of the connecting plate (7) away from the base plate (1) and fixedly connected with the connecting plate (7) or the base plate (1).

3. The multi-functional lathe fixture according to claim 2, wherein The side of the base plate (1) close to the connecting plate (7) is provided with a first guide slot (101), and one end of each driving member (3) is clamped in the first guide slot (101); the side of the face plate (8) close to the connecting plate (7) is provided with a second guide slot, and the other end of each driving member (3) is clamped in the second guide slot.

4. The multi-functional lathe fixture according to claim 3, wherein Further comprising: a plurality of reset members (9) equal in number to the fixing members (2), each of which abuts against a corresponding fixing member (2), and both ends of each reset member (9) are clamped in the first guide slot (101) and the second guide slot, respectively; a reset ring (10) fixedly connected with each reset member (9) and coaxially rotatable on the base plate (1); the reset ring (10) is provided with a handle portion (1001) extending to the gap, the reset ring (10) being used to drive each reset member (9) to rotate synchronously, and each reset member (9) being used to drive each driving member (3) to rotate reversely; and a second locking member (11) arranged on the connecting plate (7) for fixing the reset ring (10).

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