Shifting fork type jaw chuck

Abstract

The utility model relates to the field of clamping equipment, in particular to a shifting fork type clamping jaw chuck which is provided with a body, a clamping jaw mechanism, an opening and closing mechanism and a driving mechanism are arranged on the body, the driving mechanism can drive the clamping jaw mechanism to be opened and closed through the opening and closing mechanism, and the driving mechanism is connected with the opening and closing mechanism through a shifting fork. The opening and closing mechanism comprises an opening and closing rail and an opening and closing sliding block, one end of the shifting fork is installed on the opening and closing sliding block through a connecting plate, and the other end of the shifting fork is in transmission connection with the driving mechanism. The clamping jaw opening and closing mechanism and the driving mechanism are connected through the shifting fork, compared with an existing gear and rack transmission structure, the shifting fork transmission is good in dustproof performance and easy to maintain, and meanwhile the stability of a double-track double-sliding-block structure is higher in order to guarantee the stability of shifting fork transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping equipment technical field, especially a kind of fork type chuck. BACKGROUND

[0002] Chuck is a kind of clamping equipment, the workpiece to be processed is clamped by controlling the movement of chuck mechanism, driving mechanism is driven to move chuck mechanism by setting driving mechanism in chuck, the prior art is to set rack on the one side of chuck base in the bottom of clamping mechanism, driving mechanism is driven rack by gear transmission, so as to control the movement of chuck base, so as to realize the opening and closing of chuck.However, this structure is very complex, gap is very much, maintenance is troublesome, and dustproof effect is poor. SUMMARY

[0003] For the above problems, the utility model aims at providing a kind of fork type chuck, dustproof effect is good, and it is convenient to maintain.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme as follows: a kind of fork type chuck, with body, chuck mechanism, opening and closing mechanism and driving mechanism are equipped on the body, the driving mechanism can drive chuck mechanism opening and closing by opening and closing mechanism, the driving mechanism is connected with the opening and closing mechanism by fork, the opening and closing mechanism includes opening and closing track and its opening and closing slider, one end of the fork is equipped on opening and closing slider by connecting plate, the other end of the fork is drivingly connected with driving mechanism.

[0005] In the above technical scheme, the opening and closing mechanism includes two opening and closing tracks and its opening and closing slider, which are arranged on the body in pairs.

[0006] In the above technical scheme, the driving mechanism includes driving cylinder and linkage disc, the other end lower part of the fork is equipped with linkage gear, and is drivingly connected with linkage disc by linkage gear.

[0007] In the above technical scheme, the chuck base of chuck mechanism is fixedly connected on connecting plate, the bottom of chuck base is equipped with fork groove.

[0008] In the above technical scheme, the bottom of one end of the fork is equipped with dustproof plate, and the dustproof plate is arranged in fork groove.

[0009] In the above technical scheme, the both sides of dustproof plate are equipped with dustproof wing plate.

[0010] Compared with the traditional technical means, the technical scheme of the utility model has the beneficial effect that: the claw opening and closing mechanism and the driving mechanism are connected through the fork, compared with the existing gear and rack transmission structure, the fork transmission is good in dust prevention and easy to maintain, and the stability of the double-track double-sliding block structure is higher. BRIEF DESCRIPTION OF DRAWINGS

[0011] The foregoing and other objects, features and advantages of the utility model will become more apparent from the following detailed description, when taken in conjunction with the accompanying drawings.

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the chuck in the utility model;

[0013] Figure 2 It is Figure 1 a schematic diagram of the front view structure;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the chuck without part of the shell;

[0015] Figure 4 It is Figure 3 a schematic diagram of the three-dimensional structure of another direction;

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the fork mechanism in the utility model;

[0017] The following labels are as follows: 100, the main body; 110, the track groove; 120, the limiting table; 200, the claw mechanism; 210, the claw seat; 211, the fork groove; 300, the opening and closing mechanism; 310, the opening and closing track; 320, the opening and closing sliding block; 400, the driving mechanism; 410, the driving cylinder; 420, the linkage disc; 500, the fork; 510, the linkage gear; 520, the dustproof plate; 521, the dustproof wing plate; 600, the connecting plate. DETAILED DESCRIPTION

[0018] The following is based on the ideal embodiment of the utility model for inspiration, through the following description, the relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.

[0019] The utility model is further illustrated with reference to the following drawings:

[0020] As Figures 1 to 5As shown in the drawings, a kind of fork type jaw chuck, with body 100, which is equipped with jaw mechanism 200, opening and closing mechanism 300 and driving mechanism 400, the driving mechanism 400 can drive jaw mechanism 200 opening and closing by opening and closing mechanism 300, the driving mechanism 400 is connected with the opening and closing mechanism 300 by yoke 500, the opening and closing mechanism 300 includes opening and closing track 310 and its opening and closing slider 320, one end of the yoke 500 is equipped on opening and closing slider 320 by connecting plate 600, the other end of the yoke 500 is drivingly connected with driving mechanism 400.

[0021] As shown in the drawings, Figure 5 The opening and closing mechanism 300 includes two opening and closing tracks 310 and its opening and closing slider 320, which are arranged in pairs on the body 100, and the double opening and closing track 310 and the opening and closing slider 320 can ensure that the connecting plate does not deviate to one side when the yoke 500 is driven, and the transmission is more stable.

[0022] The driving mechanism 400 includes a driving cylinder 410 and a linkage disc 420 arranged in the body 100, and the other end of the yoke 500 is provided with a linkage gear 510, and is drivingly connected with the linkage disc 420 through the linkage gear 510.

[0023] The jaw seat 210 of the jaw mechanism 200 is fixedly connected to the connecting plate 600, and the bottom of the jaw seat 210 is provided with a yoke groove 211.

[0024] One end of the yoke 500 is provided with a dustproof plate 520, and the dustproof plate 520 is arranged in the yoke groove 211.

[0025] The dustproof plate 520 is provided with dustproof wing plates 521 on both sides, which are attached to the two inner side walls of the yoke groove 211 to ensure dustproof effect.

[0026] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be changed and varied. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A forked jaw chuck, having a body, a jaw mechanism, an opening and closing mechanism and a driving mechanism are arranged on the body, the driving mechanism can drive the jaw mechanism to open and close through the opening and closing mechanism, characterized in that: The driving mechanism is connected with the opening and closing mechanism through a shift fork, the opening and closing mechanism comprises opening and closing tracks and opening and closing sliders, one end of the shift fork is mounted on the opening and closing slider through a connecting plate, and the other end of the shift fork is in transmission connection with the driving mechanism.

2. The forked dog chuck as set forth in claim 1, wherein The opening and closing mechanism comprises two opening and closing tracks and opening and closing sliders which are arranged in pairs on the body.

3. The forked dog chuck as set forth in claim 1, wherein The driving mechanism comprises a driving cylinder and a linkage disc, and the other end of the shift fork is provided with a linkage gear at the lower part and is in transmission connection with the linkage disc through the linkage gear.

4. The forked dog chuck as set forth in claim 1, wherein The claw seat of the claw mechanism is fixedly connected to the connecting plate, and the bottom of the claw seat is provided with a shift fork groove.

5. The forked dog chuck as set forth in claim 4, wherein The bottom of one end of the shift fork is provided with a dustproof plate, and the dustproof plate is arranged in the shift fork groove.

6. The forked dog chuck as set forth in claim 5, wherein Both sides of the dustproof plate are provided with dustproof wing plates.

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