Safety chuck device for machine tool

Abstract

The utility model relates to the technical field of machine tool chucks, and discloses a safety chuck device for a machine tool, which comprises a chuck body, a plurality of empty slots are arranged in the middle of the outer wall of the chuck body, a clamping mechanism is arranged in the chuck body, and the clamping mechanism comprises a conical fluted disc rotatably connected to the inner bottom surface of the chuck body. A threaded column is fixedly connected to the middle of the upper surface of the conical tooth disc, and a column body of the threaded column is sleeved with a moving block. According to the utility model, through the arranged clamping mechanism, the wrench is inserted into the rotating block and is wrenched to drive the rotating block to drive the bevel gear to rotate, so that the bevel gear disc is rotated through gear engagement, the threaded column is rotated, and the moving block can move downwards through threaded connection; the connecting blocks can drive the sliding blocks and the clamping jaws to move inwards through the hinge rods, then the workpiece can be clamped, and the problem that machining and production of a vortex groove in a traditional structure are complex is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe chuck technical field especially relates to a safe chuck device for lathe. BACKGROUND

[0002] The lathe chuck is a device that clamps workpieces, which can accurately position and clamp to ensure machining accuracy and efficiency, and can ensure that the workpiece is firmly fixed on the machine tool during machining to avoid accidents caused by workpiece loosening, and plays an important role in the machining process of the machine tool. The safe chuck is usually made of high-strength material and has reliable clamping force and stability.

[0003] Some existing lathe chucks usually move the clamping jaw to clamp the workpiece by gear cooperation with the spiral groove, but the design and processing of the spiral groove are relatively complex, and due to the special structure of the spiral groove, more frequent maintenance and inspection may be required, which is relatively high in cost for some machine tools, and some lathe chucks are relatively low in efficiency when used, and if some larger workpieces are encountered, the clamping jaw usually needs to be moved to the periphery of the chuck, and the clamping jaw needs to be disassembled and then installed in reverse.

[0004] Therefore, the skilled person in the art provides a safe chuck device for lathe to solve the problems raised in the background art. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a safe chuck device for lathe. The safe chuck for lathe is provided with a rotating mechanism, a rotating handle, a limiting column, a limiting block, a taper gear, a taper gear, a clamping mechanism, a threaded column, a moving block, a slide groove, a slide block, a connecting block, a hinge rod, and a hinge rod.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A safe chuck device for lathe, comprising a chuck body, a plurality of air slots are formed in the middle part of the outer wall of the chuck body, a clamping mechanism is arranged in the inside of the chuck body, the clamping mechanism comprises a cone gear connected to the inside bottom surface of the chuck body, a threaded column is fixedly connected to the middle part of the upper surface of the cone gear, a moving block is sleeved on the column body of the threaded column, the clamping mechanism further comprises a rotating block arranged in the inside of the air slot, one end of the rotating block close to the center of the chuck body is fixedly connected with a bevel gear, a plurality of slide grooves are formed in the upper surface of the chuck body, a slide block is slidably connected in the inside of the slide groove, a connecting block is fixedly connected to the lower surface of the slide block, and a hinge rod is hingedly connected to the inner wall of the connecting block.

[0008] The upper end of the sliding block is provided with a rotating mechanism, the rotating mechanism comprises a connecting column fixedly connected in the middle of the upper surface of the sliding block, a limiting groove is opened in the inside of the connecting column, a limiting column is arranged on the inner wall of the limiting groove, and a limiting block is fixedly connected to the outer wall of one end of the limiting column close to the connecting column.

[0009] Through the above technical scheme, the device can quickly clamp the workpiece, avoids the problem of complex vortex groove machining and production in the traditional structure, and can more quickly rotate the clamping jaw to clamp some larger workpieces.

[0010] Further, the end of the articulated rod away from the connecting block is hingedly connected to a moving block, the bevel gear is meshingly connected with a bevel gear plate, and the moving block is threadedly connected with a threaded column.

[0011] Through the above technical scheme, the clamping jaw can assist in clamping the workpiece.

[0012] Further, the outer wall of the end of the limiting column away from the limiting block is fixedly connected with a rotating handle, and the outer wall of the limiting column is slidingly connected with the inner wall of the limiting groove.

[0013] Through the above technical scheme, the rotating handle can be more conveniently rotated, and the limiting column can be conveniently moved out through the sliding connection.

[0014] Further, the upper surface of the connecting column is rotatably connected with a clamping jaw.

[0015] Through the above technical scheme, the clamping jaw can clamp the workpiece.

[0016] Further, the outer wall of the end of the clamping jaw close to the center of the chuck body is provided with a rubber pad.

[0017] Through the above technical scheme, the rubber pad can prevent damage to the surface of the workpiece.

[0018] Further, the middle of the inner top surface of the chuck body is fixedly connected with a connecting disc.

[0019] Through the above technical scheme, the connecting disc can protect the internal mechanism.

[0020] Further, the upper surface of the threaded column is rotatably connected with the middle of the lower surface of the connecting disc.

[0021] Through the above technical scheme, the threaded column can be more conveniently rotated through the rotatable connection.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a kind of safety chuck device for machine tool, the safety chuck for machine tool is clamped mechanism by being set, and hand spanner is inserted into rotating block and is pulled hand spanner to make rotating block drive bevel gear rotate, to rotate bevel gear disc by gear engagement, to rotate threaded column, moving block can be moved downward by threaded connection, can be moved to inside by hinged rod to make connecting block drive slider and jaw, then workpiece can be clamped, avoid the problem of complex vortex groove machining production in traditional structure.

[0024] 2, the utility model provides a kind of safety chuck device for machine tool, the safety chuck for machine tool is rotated mechanism by being set, by rotating setting hand, hand drive limit post rotates, to drive limit block to rotate, make limit block rotate to with limit slot flush position, limit block can be moved out, to rotate jaw directly, after reverse operation, jaw can be fixed, then some larger workpieces can be rotated and clamped more quickly. DRAWINGS

[0025] Figure 1 It is the axonometric drawing of the safety chuck device for machine tool proposed in the utility model;

[0026] Figure 2 It is the plan view of the safety chuck device for machine tool proposed in the utility model;

[0027] Figure 3 It is the section view of the safety chuck device for machine tool proposed in the utility model;

[0028] Figure 4 It is the structure schematic view of clamping mechanism and other components in the safety chuck device for machine tool proposed in the utility model;

[0029] Figure 5 It is the structure schematic view of rotating mechanism and other components in the safety chuck device for machine tool proposed in the utility model;

[0030] Figure 6 It is the axonometric drawing of rotating mechanism and other components in the safety chuck device for machine tool proposed in the utility model.

[0031] Legend:

[0032] 1, chuck body;

[0033] 2, clamping mechanism;201, rotating block;202, bevel gear;203, bevel gear disc;204, threaded column;205, moving block;206, hinged rod;207, connecting block;

[0034] 3, rotating mechanism;301, connecting column;302, limit slot;303, limit post;304, hand;305, limit block.

[0035] 4, sliding slot; 5, sliding block; 6, claw; 7, connecting disc; 8, empty slot; 9, rubber pad. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0037] Referring to Figures 1-6 , the utility model provides an embodiment:

[0038] A safety chuck device for machine tool, including chuck body 1, the middle part of the outer wall of chuck body 1 is equipped with multiple empty slots 8, the inside of chuck body 1 is provided with clamping mechanism 2, clamping mechanism 2 includes the bevel gear plate 203 that is rotatably connected in the bottom surface of chuck body 1, the middle part of the upper surface of bevel gear plate 203 is fixedly connected with threaded column 204, the column body of threaded column 204 is equipped with moving block 205, clamping mechanism 2 still includes the rotating block 201 that is arranged in the inside of empty slot 8, the end close to the center of chuck body 1 of rotating block 201 is fixedly connected with bevel gear 202, the upper surface of chuck body 1 is equipped with multiple sliding slots 4, the inside of sliding slot 4 is slidably connected with sliding block 5, the lower surface of sliding block 5 is fixedly connected with connecting block 207, the inner wall of connecting block 207 is hingedly connected with hinged rod 206;

[0039] The upper end of sliding block 5 is provided with rotating mechanism 3, and rotating mechanism 3 includes connecting column 301 fixedly connected to the middle part of the upper surface of sliding block 5, limiting groove 302 is formed in the inside of connecting column 301, limiting column 303 is arranged on the inner wall of limiting groove 302, and limiting block 305 is fixedly connected to the outer wall of the end close to connecting column 301 of limiting column 303.

[0040] The device can quickly clamp workpieces, avoids the problem of complex production of vortex groove in traditional structure, and can more quickly rotate the claw 6 to clamp some larger workpieces.

[0041] The end of the articulated rod 206 away from the connecting block 207 is hingedly connected with the moving block 205, the bevel gear 202 is meshingly connected with the bevel gear plate 203, the moving block 205 is threadedly connected with the threaded column 204, so that the workpiece can be clamped by the auxiliary claw 6, the outer wall of the limiting column 303 away from the limiting block 305 is fixedly connected with the rotating handle 304, the outer wall of the limiting column 303 is slidingly connected with the inner wall of the limiting groove 302, so that the rotating handle 304 can be used to rotate the limiting column 303 more conveniently, the sliding connection facilitates the removal of the limiting column 303, the upper surface of the connecting column 301 is rotatably connected with the claw 6, so that the workpiece can be clamped by the claw 6, the outer wall of the end of the claw 6 close to the center of the chuck body 1 is provided with a rubber pad 9, so that the rubber pad 9 can prevent the workpiece surface from being damaged, the middle part of the inner top surface of the chuck body 1 is fixedly connected with the connecting disc 7, so that the connecting disc 7 can protect the internal mechanism, and the upper surface of the threaded column 204 is rotatably connected with the middle part of the lower surface of the connecting disc 7, so that the threaded column 204 can be rotated more conveniently through the rotating connection.

[0042] Working principle: when in use, the device is installed on the machine tool, the workpiece is placed in the slot in the middle of the chuck body 1, the wrench is inserted into the rotating block 201 and the wrench is turned to make the rotating block 201 rotate the bevel gear 202, so that the bevel gear plate 203 is rotated through gear meshing, so that the threaded column 204 is rotated, the moving block 205 can be moved downward through the threaded connection, the connecting block 207 can be moved inward with the sliding block 5 and the claw 6 through the articulated rod 206, so that the workpiece can be clamped, when a larger diameter workpiece is encountered, the claw 6 needs to be rotated and clamped, the rotating handle 304 is rotated, the limiting column 303 is rotated through the rotating handle 304, the limiting block 305 is rotated, the limiting block 305 is moved out, so that the claw 6 can be directly rotated, and then the reverse operation can fix the claw 6, so that the larger workpiece can be clamped.

[0043] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A safety chuck device for machine tools, comprising a chuck body (1), characterized in that: The middle part of the outer wall of the chuck body (1) is provided with a plurality of air slots (8), the inside of the chuck body (1) is provided with a clamping mechanism (2), the clamping mechanism (2) comprises a bevel gear (203) rotatably connected to the bottom surface of the chuck body (1), the upper surface of the bevel gear (203) is fixedly connected with a threaded column (204) in the middle part, the column body of the threaded column (204) is sleeved with a moving block (205), the clamping mechanism (2) further comprises a rotating block (201) provided in the inside of the air slot (8), one end of the rotating block (201) close to the center of the chuck body (1) is fixedly connected with a bevel gear (202), the upper surface of the chuck body (1) is provided with a plurality of sliding grooves (4), the inside of the sliding groove (4) is slidably connected with a sliding block (5), the lower surface of the sliding block (5) is fixedly connected with a connecting block (207), the inner wall of the connecting block (207) is hingedly connected with a hinged rod (206); The upper end of the sliding block (5) is provided with a rotating mechanism (3), the rotating mechanism (3) comprises a connecting column (301) fixedly connected to the middle part of the upper surface of the sliding block (5), the inside of the connecting column (301) is provided with a limiting groove (302), the inner wall of the limiting groove (302) is provided with a limiting column (303), one end of the limiting column (303) close to the connecting column (301) is fixedly connected with a limiting block (305).

2. A safety chuck device for a machine tool according to claim 1, characterized in that: The end of the hinged rod (206) away from the connecting block (207) is hingedly connected with the moving block (205), the bevel gear (202) is meshingly connected with the bevel gear (203), the moving block (205) is threadedly connected with the threaded column (204).

3. A safety chuck device for a machine tool according to claim 1, characterized in that: The outer wall of one end of the limiting column (303) away from the limiting block (305) is fixedly connected with a rotating handle (304), the outer wall of the limiting column (303) is slidably connected with the inner wall of the limiting groove (302).

4. A safety chuck apparatus for a machine tool according to claim 1, characterized in that: The upper surface of the connecting column (301) is rotatably connected with a claw (6).

5. A safety chuck device for a machine tool according to claim 4, characterized in that: The outer wall of one end of the claw (6) close to the center of the chuck body (1) is provided with a rubber pad (9).

6. A safety chuck apparatus for a machine tool according to claim 1, characterized in that: The middle part of the top surface of the chuck body (1) is fixedly connected with a connecting disc (7).

7. A safety chuck apparatus for a machine tool according to claim 1, wherein: The upper surface of the threaded column (204) is rotatably connected with the middle part of the lower surface of the connecting disc (7).

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