Fastening chuck for double-thread screw

Abstract

The utility model discloses a fastening chuck for a double-thread screw, which belongs to the technical field of screw fastening equipment and comprises a workbench, a motor is mounted at the lower end of the workbench, a rotating shaft is arranged in the middle of the workbench in a penetrating manner and rotatably connected with the workbench, and the motor is mounted on the motor. The lower end of the rotating shaft is fixedly connected with an output shaft of a motor, and the upper end of the rotating shaft is fixedly connected with a rotating table; and the fastening mechanism comprises two first fixing blocks which are symmetrically and fixedly connected to the upper end of the rotating table, and a two-way threaded rod is rotationally connected between the two first fixing blocks. Aiming at the use problem, the equipment is provided with the fastening mechanism, the fastening and multi-angle operation of the double-thread screw can be realized by controlling the two arc-shaped fastening plates to move in opposite directions and cooperating with the motor, and the two positioning mechanisms are further arranged, so that the two arc-shaped fastening plates can be conveniently replaced according to different diameters of the double-thread screw, and the applicability is relatively good.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw fastening equipment technical field especially relates to a fastening chuck for double -end screw. BACKGROUND

[0002] Double -end screw is a kind of fastener with thread in both ends, its both ends can be connected with other components, in the processing of double -end screw, generally needs to use fastening chuck to limit it to ensure that double -end screw keeps stable in the operation process;

[0003] The existing fastening chuck is usually realized by the aid of screw cooperation clamping plate when limiting double -end screw, however these fastening chucks can only adapt to the stable limiting of fixed diameter double -end screw, when facing different diameter double -end screw, its clamping force distribution to screw is uneven, further easily leads to the deviation or loosening of screw, and the overall applicable range is more limited, therefore to solve this problem, design a kind of fastening chuck for double -end screw is the need to consider. SUMMARY

[0004] The utility model aims at solving the shortcoming in prior art, and provides a kind of fastening chuck for double -end screw, it is set up fastening mechanism in view of use problem, by controlling the movement of two arc fastening plates, cooperate motor can realize the fastening and multi-angle operation of double -end screw, still set up two positioning mechanisms, can conveniently replace two arc fastening plates according to the different diameter of double -end screw, and the applicability is better.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of fastening chuck for double -end screw, including workbench, the lower end of the workbench is equipped with motor, the middle part of the workbench is penetrated and is provided with rotating shaft, the rotating shaft is rotatably connected with workbench, the lower end of the rotating shaft is fixedly connected with the output shaft of motor, the upper end of the rotating shaft is fixedly connected with rotating table;Fastening mechanism, the fastening mechanism includes two first fixed blocks being fixedly connected on the upper end of rotating table, two first fixed blocks are rotatably connected with bidirectional screw rod, two threaded ends of the bidirectional screw rod are all screw-connected with sliding block, two first fixed blocks are fixedly connected with guide rod, two sliding blocks are slidably connected with guide rod, the opposite sides of two sliding blocks are all provided with arc fastening plate, the opposite sides of two arc fastening plates are all fixedly connected with first connecting block, the opposite sides of two first connecting blocks are all fixedly connected with mounting block, the upper end of two mounting blocks is all vertically provided with positioning through slot;Two positioning mechanisms, two positioning mechanisms are all used for positioning corresponding mounting block.

[0007] Preferably, horizontal installation grooves are formed in the side walls of the two sliding blocks, and the two mounting blocks are in sliding connection with the inner walls of the corresponding installation grooves.

[0008] Preferably, the positioning mechanism comprises a second fixing block fixedly connected to the side wall of the sliding block, a control block movably arranged above the second fixing block, a positioning block fixedly connected to the lower end of the control block, the lower end of the positioning block penetrating through the second fixing block and being in sliding connection with the inner wall of the positioning groove, two springs elastically connecting the second fixing block and the control block, and a handle fixedly connected to the upper end of the control block.

[0009] Preferably, the front end of the bidirectional threaded rod penetrates through the first fixing block on the front side and is fixedly connected with a rotating block, and the inner sides of the two arc-shaped fastening plates are provided with arc-shaped rubber pads.

[0010] Preferably, the upper end of the rotating table is fixedly connected with a connecting rod, and the upper end of the connecting rod is fixedly connected with an arc-shaped supporting plate.

[0011] Preferably, the threads of the two threaded rods of the bidirectional threaded rod are in opposite directions.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The fastening mechanism is arranged, the two arc-shaped fastening plates are moved towards each other by rotating the rotating block, the fastening operation on the double-end screw rod can be conveniently realized, the rotating table is driven to rotate by the motor, the staff can conveniently perform multi-angle machining operation on the double-end screw rod, two positioning mechanisms are further arranged, the corresponding positioning blocks are moved upwards by pulling the handle, the two springs are cooperated, the two arc-shaped fastening plates can be conveniently and quickly replaced, the stable fastening on the double-end screw rod with different diameters is realized, the screw rod is prevented from loosening due to uneven stress, and the overall applicability is better. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure schematic view of the fastening chuck for the double-end screw rod is provided in the utility model;

[0015] Figure 2 A Figure 1 is a bottom view;

[0016] Figure 3 A structure schematic view of the arc-shaped fastening plate is provided;

[0017] Figure 4 A structure schematic view of the positioning mechanism is provided.

[0018] In the figure: 1 workbench, 2 motor, 3 rotating shaft, 4 rotating table, 5 first fixed block, 6 two-way threaded rod, 7 sliding block, 8 arc-shaped fastening plate, 9 first connecting block, 10 mounting block, 11 positioning through slot, 12 mounting through slot, 13 second fixed block, 14 control block, 15 positioning block, 16 spring, 17 handle, 18 rotating block, 19 arc-shaped rubber pad, 20 guide rod, 21 connecting rod, 22 arc-shaped support plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figures 1-4 A fastening chuck for double-end screw rod, including workbench 1, the lower end of workbench 1 is installed with motor 2, the middle part of workbench 1 is provided with rotating shaft 3, rotating shaft 3 is rotatably connected with workbench 1, the lower end of rotating shaft 3 is fixedly connected with the output shaft of motor 2, the upper end of rotating shaft 3 is fixedly connected with rotating table 4, the upper end of rotating table 4 is fixedly connected with connecting rod 21, the upper end of connecting rod 21 is fixedly connected with arc-shaped support plate 22, for positioning and supporting before fastening of double-end screw rod;

[0021] The fastening mechanism includes two first fixed blocks 5 fixedly connected on the upper end of rotating table 4, two-way threaded rod 6 is rotatably connected between the two first fixed blocks 5, the screw thread directions of the two threaded rods of two-way threaded rod 6 are opposite, the front end of two-way threaded rod 6 penetrates the front first fixed block 5 and is fixedly connected with rotating block 18, sliding block 7 is threadedly connected on the two threaded ends of two-way threaded rod 6, guide rod 20 is fixedly connected between the two first fixed blocks 5, sliding block 7 is slidably connected with guide rod 20, mounting through slot 12 is horizontally formed on the side wall of sliding block 7, arc-shaped fastening plate 8 is arranged on the opposite side of sliding block 7, arc-shaped rubber pad 19 is arranged on the inner side of arc-shaped fastening plate 8, first connecting block 9 is fixedly connected on the opposite side of arc-shaped fastening plate 8, the side wall of corresponding sliding block 7 is attached to the opposite side of first connecting block 9, mounting block 10 is fixedly connected on the opposite side of first connecting block 9, mounting block 10 is slidably connected with the inner wall of corresponding mounting through slot 12, and positioning through slot 11 is vertically formed on the upper end of mounting block 10.

[0022] Two positioning mechanisms are further included, and the two positioning mechanisms are used for positioning the corresponding mounting block 10, and the positioning mechanism comprises a second fixing block 13 fixedly connected to the side wall of the sliding block 7, a control block 14 movably arranged above the second fixing block 13, a positioning block 15 fixedly connected to the lower end of the control block 14, the lower end of the positioning block 15 penetrates through the second fixing block 13 and is in sliding connection with the inner wall of the positioning through slot 11, and the second fixing block 13 and the control block 14 are elastically connected through two springs 16.

[0023] In use, the double-end screw to be fastened is placed at the upper end of the arc-shaped supporting plate 22 (to ensure that the middle part of the double-end screw is at the upper end of the arc-shaped supporting plate 22), then the rotating block 18 is rotated to drive the bidirectional threaded rod 6 to rotate, to drive the two sliding blocks 7 and the two arc-shaped fastening plates 8 to move synchronously and oppositely until the arc-shaped rubber pads 19 on the inner sides of the two arc-shaped fastening plates 8 are tightly attached to the middle part of the double-end screw.

[0024] It is worth mentioning that in the subsequent machining process, the staff can start the motor 2 to drive the rotating shaft 3 to rotate, to drive the rotating table 4 and the double-end screw limited thereby to rotate, so as to facilitate the staff to operate the double-end screw at multiple angles.

[0025] When the double-end screw with different diameters needs to be fastened, first, the arc-shaped fastening plate 8 on the front side is replaced, the handle 17 on the front side is pulled upwards to drive the corresponding control block 14 and the positioning block 15 to move upwards synchronously, to make the two corresponding springs 16 be stretched under stress until the positioning block 15 is completely separated from the positioning through slot 11 on the front side, at this time, the arc-shaped fastening plate 8 on the front side is pulled out together with the first connecting block 9 and the mounting block 10 and is removed, then a new arc-shaped fastening plate 8 (which can meet the stable fastening of the double-end screw currently required) is taken out, the mounting block 10 is aligned with the mounting through slot 12 on the front side and is completely inserted, then the handle 17 on the front side is loosened, at this time, due to the elastic force of the two springs 16, the control block 14 and the positioning block 15 will move downwards synchronously and automatically, to make the lower end of the positioning block 15 penetrate through the positioning through slot 11, so that the replacement of the arc-shaped fastening plate 8 on the front side is realized, and the replacement of the arc-shaped fastening plate 8 on the rear side can be realized by the same operation as described above, the whole replacement process is relatively convenient, the stable fastening of the double-end screw with different diameters is realized, the uniform distribution of the clamping force of the screw is ensured, and the applicability is good.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A fastening chuck for a double-headed screw, characterized in that, Include: Workbench (1), the lower end of the workbench (1) is provided with a motor (2), the middle part of the workbench (1) is provided with a rotating shaft (3), the rotating shaft (3) is rotatably connected with the workbench (1), the lower end of the rotating shaft (3) is fixedly connected with the output shaft of the motor (2), and the upper end of the rotating shaft (3) is fixedly connected with a rotating table (4); The fastening mechanism comprises two first fixed blocks (5) fixedly connected to the upper end of the rotating table (4), a bidirectional threaded rod (6) rotatably connected between the two first fixed blocks (5), a sliding block (7) threadedly connected to each threaded end of the bidirectional threaded rod (6), a guide rod (20) fixedly connected between the two first fixed blocks (5), the two sliding blocks (7) are slidably connected with the guide rod (20), the opposite sides of the two sliding blocks (7) are provided with arc-shaped fastening plates (8), the opposite sides of the two arc-shaped fastening plates (8) are fixedly connected with first connecting blocks (9), the opposite sides of the two first connecting blocks (9) are fixedly connected with mounting blocks (10), and the upper ends of the two mounting blocks (10) are vertically provided with positioning grooves (11). Two positioning mechanisms are used to position the corresponding mounting blocks (10).

2. A clamping chuck for a double-end screw as defined in claim 1, wherein The side wall of the two sliding blocks (7) is horizontally provided with a mounting groove (12), and the two mounting blocks (10) are slidably connected with the inner wall of the corresponding mounting groove (12).

3. A clamping chuck for a double ended screw as defined in claim 1, wherein The positioning mechanism comprises a second fixed block (13) fixedly connected to the side wall of the sliding block (7), a control block (14) movably arranged above the second fixed block (13), a positioning block (15) fixedly connected to the lower end of the control block (14), the lower end of the positioning block (15) penetrating through the second fixed block (13) and slidably connected with the inner wall of the positioning groove (11), the second fixed block (13) and the control block (14) are elastically connected by two springs (16), and the upper end of the control block (14) is fixedly connected with a handle (17).

4. A clamping chuck for a double ended screw as defined in claim 1, wherein The front end of the bidirectional threaded rod (6) penetrates through the front first fixed block (5) and is fixedly connected with a rotating block (18), and the inner side of the two arc-shaped fastening plates (8) is provided with an arc-shaped rubber pad (19).

5. A clamping chuck for a double ended screw as defined in claim 1, wherein The upper end of the rotating table (4) is fixedly connected with a connecting rod (21), and the upper end of the connecting rod (21) is fixedly connected with an arc-shaped supporting plate (22).

6. A clamping chuck for a double-end screw as defined in claim 1, wherein The screw threads of the two threaded rods of the bidirectional threaded rod (6) are opposite in direction.

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