CN219465404U

CN219465404U - Stable CNC lathe frock clamp

Info

Publication number: CN219465404U
Application number: CN202222649884.6U
Authority: CN
Inventors: 张军; 罗英俊
Original assignee: BEIJING VOCATIONAL COLLEGE OF LABOUR AND SOCIAL SECURITY
Current assignee: BEIJING VOCATIONAL COLLEGE OF LABOUR AND SOCIAL SECURITY
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-08-04
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a stable CNC machine tool fixture, which relates to the field of fixture fixtures and comprises a fixed mounting plate, wherein a main rotating support column is rotationally connected to the fixed mounting plate through a bearing, a conventional chuck is fixedly connected to the main rotating support column, mounting connection plates are fixedly arranged on the front end surface and the rear end surface of the main rotating support column through long screws, support frames are fixedly connected to the two mounting connection plates, a movable chute is formed in the upper surface of each support frame, two bidirectional screws are rotationally connected to the inner part of the upper end of each support frame through a bearing, clamping plates are in threaded connection with the two ends of each bidirectional screw, and the two clamping plates are in sliding connection with the support frames. According to the clamping device, the clamping plate and the conventional clamping plate are arranged, so that the clamping plate and the clamping plate are integrated, the process of disassembly and replacement is shortened, mechanical damage caused by frequent disassembly and replacement is reduced, and instability of the clamping device in the use process is reduced.

Description

Stable CNC lathe frock clamp

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a stable CNC machine tool clamp.

Background

The CNC lathe is one of the numerical control lathes which are widely used, is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylinders, conical threads and the like, and can be used for grooving, drilling, reaming, boring and the like, and the numerical control lathe is used for automatically machining the machined parts according to a machining program which is programmed in advance.

However, in practical use, most CNC machine tool fixtures are clamped on the radial outer surface of one end of the object to be processed by using a fixture, and the other end of the object to be processed is a machining area where the machining machine head can move axially.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a stable CNC machine tool fixture to solve the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stable CNC lathe frock clamp, includes the fixed mounting plate, rotate through the bearing on the fixed mounting plate and be connected with the main support column that changes, fixedly connected with conventional chuck on the main support column that changes, the front and back end surface that changes the support column all has the installation connecting plate through long screw fixed mounting, two equal fixedly connected with support frame on the installation connecting plate (), the removal spout has been seted up to the upper surface of support frame, the inside two-way screw that all rotates through the bearing of being connected with of upper end of support frame, two the equal threaded connection in both ends of two-way screw has splint, two splint sliding connection is on the support frame, the side threaded connection of fixed mounting plate is limited to change the fastening screw.

Preferably, the side of fixed mounting panel has seted up and has been restricted to change the screw, limit changes the fastening screw threaded connection in limit to change the inside of screw, just limit changes the tip of fastening screw and contradicts on the surface of main support column that changes.

Preferably, screw grafting mounting holes are all seted up on the both ends surface of fixed mounting panel, and two screw grafting mounting holes are rectangle, two the tip inner wall of screw grafting mounting hole is convex.

Preferably, the ends of the two bidirectional screws are fixedly sleeved with belt wheels, and a driving belt is wound on the two belt wheels.

Preferably, a chuck adjusting hole is formed in the outer side surface of the conventional chuck, and an inner hexagonal stud used for adjusting the conventional chuck is connected inside the chuck adjusting hole in a rotating mode through a bearing.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up splint and conventional chuck for chuck and splint compromise in an organic wholely, reduce the process of dismantling the replacement, thereby reduce because frequent dismantlement replacement causes mechanical damage, thereby reduce the instability in the anchor clamps use.

2. Compared with the prior art, through setting up the support frame, utilize support frame installation splint for utilize splint through rotating one of them two-way screw rod, utilize the rotation transmission another two-way screw rod synchronous rotation of band pulley and drive belt, thereby make realize synchronous be close to each other or the motion of keeping away from each other between two splint, thereby carry out the centre gripping effect of rectangle work piece.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a main rotor support column according to the present utility model.

Fig. 3 is a schematic view of a conventional chuck structure according to the present utility model.

The reference numerals are: 1. a fixed mounting plate; 2. a main rotation support column; 3. a conventional chuck; 4. a support frame; 5. a bidirectional screw; 6. a belt wheel; 7. a transmission belt; 8. a clamping plate; 9. rotation limiting fastening screw; 10. installing a connecting plate; 12. the screw is inserted into the mounting hole; 13. a chuck adjusting hole; 14. a long screw; 15. rotation limiting screw holes; 16. and (5) moving the chute.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The stable CNC machine tool fixture shown in the accompanying drawings 1, 2 and 3 comprises a fixed mounting plate 1, wherein a main rotating support column 2 is rotationally connected to the fixed mounting plate 1 through a bearing, a conventional chuck 3 is fixedly connected to the main rotating support column 2, mounting connection plates 10 are fixedly arranged on the front end surface and the rear end surface of the main rotating support column 2 through long screws 14, support frames 4 are fixedly connected to the two mounting connection plates (10), a movable chute 16 is formed on the upper surface of the support frame 4, two bidirectional screws 5 are rotationally connected to the inner part of the upper end of the support frame 4 through the bearing, clamping plates 8 are connected to the two ends of the two bidirectional screws 5 through threads, the two clamping plates 8 are slidingly connected to the support frame 4, a limited rotation fastening screw 9 is connected to the side edge of the fixed mounting plate 1 through screws penetrating through the limited rotation screw holes 15 on the fixed mounting plate 1, the cylindrical workpiece is clamped through the conventional chuck 3, then the conventional chuck 3 is not required to be dismantled when rectangular workpiece is required to be clamped, then one of the two-way screws 5 is rotated, the other two-way screw 5 is driven to synchronously rotate by utilizing the rotation of the belt pulley 6 and the driving belt 7, so that the two clamping plates 8 can synchronously move close to each other or away from each other, when the two clamping plates 8 synchronously move close to each other, the distance between the two clamping plates 8 is reduced, the effect of clamping the outer surface of an object is realized, when the two clamping plates 8 synchronously move away from each other, the distance between the two clamping plates 8 is increased, the effect of enlarging the placing space before workpiece clamping is realized, or the distance enlarging operation between the two clamping plates 8 is performed when the workpiece is required to be removed, in sum, the chuck 3 and the clamping plates 8 are integrated, the process of dismantling the replacement is shortened, so that mechanical damage caused by frequent dismantling the replacement is reduced, and instability in the use process of the clamp is reduced.

In a preferred embodiment, as shown in fig. 1, 2 and 3, the rotation limiting screw hole 15 is formed at a side of the fixed mounting plate 1, the rotation limiting fastening screw 9 is screwed inside the rotation limiting screw hole 15, and an end of the rotation limiting fastening screw 9 abuts against an outer surface of the main rotation supporting column 2.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, screw insertion mounting holes 12 are formed on both end surfaces of the fixed mounting plate 1, and two screw insertion mounting holes 12 are rectangular, and inner walls of end portions of the two screw insertion mounting holes 12 are arc-shaped.

In a preferred embodiment, as shown in fig. 1 and 2, the ends of the two bidirectional screws 5 are fixedly sleeved with pulleys 6, and a driving belt 7 is wound on the two pulleys 6.

In a preferred embodiment, as shown in fig. 1, the outer side surface of the conventional chuck 3 is provided with a chuck adjusting hole 13, and an inner hexagonal stud for adjusting the conventional chuck 3 is rotatably connected to the inside of the chuck adjusting hole 13 through a bearing.

The working principle of the utility model is as follows: the screw fastening is worn to establish on CNC lathe through limit on fixed mounting panel 1 in this device, work piece through conventional chuck 3 to the cylinder is carried out the centre gripping, then need not to demolish conventional chuck 3 when carrying out the work piece of rectangle and carry out the centre gripping when need, then through rotating one of them bi-directional screw 5, utilize the synchronous rotation of another bi-directional screw 5 of rotation transmission of band pulley 6 and drive belt 7, thereby realize synchronous mutual approaching or the motion of keeping away from each other between two splint 8, realize synchronous mutual approaching when between two splint 8, the distance between two splint 8 is reduced, realize the effect to object surface centre gripping, realize synchronous mutual keeping away from between two splint 8 when, the distance between two splint 8 grow, realize the effect of expanding the place space before the work piece centre gripping, or carry out the distance between two splint 8 when need getting rid of the work piece and enlarge the operation, in total, make chuck 3 and splint 8 compromise in an organic wholely, reduce the process of dismantling the replacement, thereby reduce the mechanical damage that causes because of frequently dismantling the replacement, thereby the instability in the anchor clamps use.

It is noted that 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Stable CNC lathe frock clamp, including fixed mounting plate (1), its characterized in that: the novel clamping device is characterized in that a main rotating support column (2) is rotatably connected to a fixed mounting plate (1) through a bearing, a conventional chuck (3) is fixedly connected to the main rotating support column (2), a mounting connection plate (10) is fixedly mounted on the front end surface and the rear end surface of the main rotating support column (2) through long screws (14), two support frames (4) are fixedly connected to the mounting connection plate (10), a movable sliding groove (16) is formed in the upper surface of each support frame (4), two bidirectional screws (5) are rotatably connected to the inner portion of the upper end of each support frame (4) through bearings, clamping plates (8) are connected to the two ends of each bidirectional screw (5) through threads, and the clamping plates (8) are slidably connected to the support frames (4), and side threads of the fixed mounting plate (1) are connected with limited rotation fastening screws (9).

2. The stable CNC machine tool fixture of claim 1, wherein: rotation limiting screw holes (15) are formed in the side edges of the fixed mounting plate (1), rotation limiting fastening screws (9) are in threaded connection with the inside of the rotation limiting screw holes (15), and the end portions of the rotation limiting fastening screws (9) are abutted to the outer surfaces of the main rotation supporting columns (2).

3. The stable CNC machine tool fixture of claim 2, wherein: screw grafting mounting holes (12) have all been seted up to the both ends surface of fixed mounting board (1), and two screw grafting mounting holes (12) are rectangle, two the tip inner wall of screw grafting mounting hole (12) is convex.

4. A stable CNC machine tool fixture according to claim 3, wherein: the ends of the two bidirectional screws (5) are fixedly sleeved with belt wheels (6), and a driving belt (7) is wound on the two belt wheels (6).

5. The stable CNC machine tool fixture of claim 4, wherein: the outer side surface of the conventional chuck (3) is provided with a chuck adjusting hole (13), and an inner hexagonal stud used for adjusting the conventional chuck (3) is rotatably connected inside the chuck adjusting hole (13) through a bearing.