CN100340373C - Electric spanner for chuck - Google Patents

Abstract

The utility model relates to a chuck electric wrench, which relates to a chuck wrench. The purpose of the present invention is to solve the problems of high labor intensity and low work efficiency in the manual operation of the chuck wrench. One side of the substrate (1) of the present invention is provided with a chute (15), and the substrate (1) in the middle of the chute (15) is provided with a strip-shaped through hole (14). A chute plate (11) is respectively fixed on the substrate (1), the slider (10) is arranged in the chute (15) inside the chute plate (11), and the two-way rotating motor (5) is fixed on the chute plate ( 11) on the slider (10) on one side. The invention is mainly used for loading and unloading workpieces on machine tools and other lathes. The loosening or clamping of the chuck can be adjusted by a two-way switch. After use, the wrench automatically returns under the action of the spring, and the hook is automatically hung on the spring support to prevent the wrench from falling down when an accident occurs, causing an accident. The invention has the advantages of simple structure, flexible operation, safety and reliability, greatly reducing labor intensity of workers and improving work efficiency.

Description

Chuck electric wrench

technical field

The invention relates to a chuck wrench.

Background technique

The chucks of existing machine tools, especially the chucks of lathes, are generally operated with manual wrenches. Before cutting the workpiece, use a manual wrench to tighten the chuck to clamp the workpiece. After the workpiece is processed, use a manual wrench to unscrew the chuck and remove the workpiece. If the batch of workpieces is large, the chucks must be frequently tightened or unscrewed, which not only increases the labor intensity of the workers, but also reduces work efficiency. At present, although some people try to study the automatic wrench of the chuck, because many technical problems have not been solved, the research of the automatic wrench of the chuck is only in the exploratory stage.

Contents of the invention

The purpose of the present invention is to provide an electric chuck wrench to solve the problems of high labor intensity and low work efficiency in the manual operation of the chuck wrench. The invention has the characteristics of simple structure, flexible operation, safety and reliability, reduced labor intensity of workers and improved work efficiency. The present invention includes a base body 1, a connecting base plate 2, a spring bracket 3, a bidirectional rotating motor 5, a wrench head 6, a bidirectional switch 8, and a spring 9. The present invention also includes a handle 4, a slider 10, and two chute plates 11; the connecting base plate 2. It is fixed on the lower side of the base 1. There is a through hole 12 on the connecting bottom plate 2. A chute 15 is opened in one side of the base 1. A strip-shaped through hole 14 is opened on the base 1 in the middle of the chute 15. The chute 15 There are chute plates 11 respectively fixed on the substrate 1 on both sides of the outside, the slider 10 is arranged in the chute 15 inside the chute plate 11, and the bidirectional rotating motor 5 is fixed on the slider 10 on one side of the chute plate 11, The upper end of the wrench head 6 is connected with the lower end of the output shaft of the two-way rotating motor 5, the handle 4 is fixedly connected with the bump 13 on the other side of the slider 10, and the bump 13 on the slider 10 is arranged on the strip shape on the base 1. In the through hole 14, the inner side of the handle 4 is provided with a two-way switch 8, the lower side of the spring support 3 is fixedly connected with the upper side of the base body 1, the upper end of the spring 9 is fixed on the upper side of the spring support 3, and the lower end of the spring 9 is connected to the slider. The upper end of 10 is fixedly connected. The invention is an ideal tool for loosening or clamping three-jaw chucks, and is mainly used for loading and unloading workpieces on machine tools and other lathes. The unclamping or clamping of the chuck can be adjusted by the two-way switch 8 . The invention has the advantages of simple structure, flexible operation, safety and reliability, greatly reducing labor intensity of workers and improving work efficiency.

Description of drawings

Fig. 1 is a front view of the present invention, Fig. 2 is a top view of the present invention, Fig. 3 is a left view of the present invention, Fig. 4 is a sectional view of A-A of Fig. 1 , Fig. 5 is a schematic diagram of enlarged structure at B of Fig. 3 , and Fig. 6 is The view from direction C of Figure 5.

Detailed ways

Specific embodiment one: (referring to Fig. 1～Fig. 4) this embodiment is made up of base body 1, connecting bottom plate 2, spring bracket 3, handle 4, two-way rotation motor 5, wrench head 6, two-way switch 8, spring 9, slide block 10 , two chute plates 11; the connecting bottom plate 2 is fixed on the lower side of the base 1, the connecting base 2 is provided with a through hole 12, one side of the base 1 is provided with a chute 15, and the base 1 in the middle of the chute 15 A strip-shaped through hole 14 is opened on the top, and chute plates 11 are respectively fixed on the substrate 1 on both sides of the chute 15, the slider 10 is arranged in the chute 15 inside the chute plate 11, and the bidirectional rotating motor 5 is fixed on the chute. On the slide block 10 on one side of the slot plate 11, the upper end of the wrench head 6 is connected with the lower end of the output shaft of the bidirectional rotary motor 5, the handle 4 is fixedly connected with the projection 13 on the other side on the slide block 10, and the The bump 13 is arranged in the strip-shaped through hole 14 on the base body 1, the inner side of the handle 4 is provided with a two-way switch 8, the lower side of the spring bracket 3 is fixedly connected with the upper side of the base body 1, and the upper end of the spring 9 is fixed on the spring bracket 3 The upper side of the spring 9 is fixedly connected with the upper end of the slider 10 at the lower end.

Embodiment 2: (see FIG. 5 and FIG. 6 ) The lower edge of the plug end 27 of the wrench head 6 in this embodiment is a circular arc transition 16 . Other compositions and connections are the same as in the first embodiment. The chuck is rotated by the machine (lathe), so I don’t know which chuck wrench hole is turned to the top, and I don’t know what angle the chuck wrench hole is at. Both the chuck wrench hole and the wrench head are square. The probability that the square is exactly corresponding is very small, so the lower edge of the wrench head in this embodiment is a circular arc transition, so that the wrench head can be easily inserted into the wrench socket of the chuck.

Embodiment 3: (see FIG. 2 ) The through hole 12 on the connection base plate 2 of this embodiment is an oblong shape 17 . Other compositions and connections are the same as in the first embodiment. The oblong through hole facilitates fixing the wrench on the machine tool (lathe).

Specific embodiment four: (see Fig. 1～Fig. 4) the difference between this embodiment and specific embodiment one is that it has increased hook 18, seesaw 19, protective frame 20, extension spring 7, the underside of spring support 3 Have a rectangular hole 23, the hook point 21 of the hook 18 matches the rectangular hole 23 on the lower side of the spring support 3, the upper end of the seesaw 19 is fixed on the hook 18, the lower end of the seesaw 19 is connected with the bottom of the handle 4 The extension spring 7 and the protective frame 20 are fixed on the projection 13 , and the lower end of the hook 18 is rotatably connected with the upper end of the protective frame 20 . Other compositions and connections are the same as in the first embodiment. When not using a wrench, the two-way rotary motor 5 and the handle 4 rise under the action of the spring 9, and the hook point 21 of the hook 18 just enters in the rectangular hole 23 on the lower side of the spring support 3, and the two-way rotary motor 5 and the wrench head 6 It will not move down under the action of external force, and will not collide with the rotating chuck, so as to achieve the purpose of safe self-locking. If will press handle 4, push seesaw 19 with hand, the hook point 21 of hook 18 just can leave the rectangular hole 23 of spring support 3 undersides, make two-way rotation motor 5 and handle 4 freely up and down.

Working principle: The connection bottom plate 2 under the base body 1 is used for fixed connection with the machine tool (lathe). Take an ordinary lathe as an example: fix the chuck electric wrench on the platform of the upper lathe on the chuck, and the position of the wrench head 6 is the same as that on the chuck. corresponding to the top and bottom of the wrench jack. Flip the seesaw 19 by hand, press the handle 4 downward, the handle 4 drives the slider 10 to move down along the chute 15, and also drives the two-way rotating motor 5 and the wrench head 6 to move down, insert the wrench head 6 into the In the wrench socket of the chuck, press the two-way switch 8 to clamp the workpiece on the chuck, release the hand that presses the handle 4, and under the tension of the spring 9, the slider 10 moves upward to drive the two-way rotating motor 5 and the wrench head 6 move upwards to make the wrench head 6 leave the wrench jack of the chuck, and the chuck rotates to process the workpiece. After the workpiece is processed, repeat the above-mentioned actions, press the bidirectional switch 8, and the workpiece is taken off the chuck.

Claims (4)

1. A chuck electric wrench, which includes a base body (1), a connecting base plate (2), a spring support (3), a bidirectional rotating motor (5), a wrench head (6), a bidirectional switch (8), a spring (9 ), which is characterized in that it also includes a handle (4), a slider (10), two chute plates (11); the connecting bottom plate (2) is fixed on the lower side of the base body (1), and the connecting bottom plate (2) is opened There is a through hole (12), a chute (15) is arranged in one side of the substrate (1), and a strip-shaped through hole (14) is provided on the substrate (1) in the middle of the chute (15), and the chute (1 5) The chute plate (11) is respectively fixed on the base (1) on both sides of the outside, the slider (10) is set in the chute (15) inside the chute plate (11), and the bidirectional rotating motor (5) is fixed On the slide block (10) on one side of the chute plate (11), the upper end of the wrench head (6) is connected with the lower end of the output shaft of the two-way rotating motor (5), and the handle (4) is connected with the other on the slide block (10). The bump (13) on one side is fixedly connected, the bump (13) on the slider (10) is set in the strip-shaped through hole (14) on the base (1), and the inner side of the handle (4) is provided with a two-way switch (8), the lower side of the spring support (3) is fixedly connected with the upper side of the base body (1), the upper end of the spring (9) is fixed on the upper side of the spring support (3), and the lower end of the spring (9) is connected with the slider ( 10) The upper end is fixedly connected. 2. The chuck electric wrench according to claim 1, characterized in that the lower edge of the plug end (27) of the wrench head (6) is a circular arc transition (16). 3. The chuck electric wrench according to claim 1, characterized in that the through hole (12) on the connecting bottom plate (2) is oblong (17). 4. The chuck electric wrench according to claim 1, characterized in that it adds a hook (18), a seesaw (19), a protective frame (20), a tension spring (7), and a lower part of the spring bracket (3). There is a rectangular hole (23) on the side, the hook tip (21) of the hook (18) matches the rectangular hole (23) on the lower side of the spring support (3), and the upper end of the seesaw (19) is fixed on the hook (18) , a tension spring (7) is connected between the lower end of the seesaw (19) and the bottom of the handle (4), the protective frame (20) is fixed on the bump (13), and the lower end of the hook (18) is connected to the protective frame (20 ) The upper end of the rotation connection.

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