Five-axis CNC manual external clamping rubber clamp

Abstract

The utility model relates to a five-axis CNC manual external clamping rubber fixture, which comprises a fixture base, a taper body, a rubber chuck, a pull sleeve, a gear shaft and a fluted disc, the fixture base is fixedly connected with the taper body, the gear shaft is rotatably connected with the fixture base and / or the taper body, the gear shaft is meshed with the fluted disc, the fluted disc is rotatably connected with the taper body, and the rubber chuck is fixedly connected with the fixture base. The fluted disc is in threaded connection with the pull sleeve, the pull sleeve slides up and down relative to the taper body, the pull sleeve is connected with the rubber chuck, and the outer conical surface of the rubber chuck is in sliding connection with a taper hole of the taper body. All the metal blocks of the rubber chuck synchronously shrink and expand in the axial movement process, a plurality of clamping jaws do not need to be revised, meanwhile, revising is not needed, and the clamping efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, especially a five -axis CNC manual outer rubber clamp. BACKGROUND

[0002] At present, five -axis machining equipment is more and popular, but the development of tooling fixture for five -axis CNC is relatively slow, and a part of five -axis machine tool workbench cannot use hydraulic tooling fixture, and can only use traditional pressing plate clamp or manual chuck. The efficiency of pressing plate clamp and manual chuck is low, and adjustment is troublesome. When the three -jaw chuck directly clamps the outer circle of the workpiece for machining, three clamping jaws need to be installed in a certain order, and the clamping jaws also need to be corrected. Among them, the hardness of the clamping jaw is too high to be corrected, and the hardness of the clamping jaw is too low to be easily worn, and it also needs to be corrected by watch, and the efficiency of replacing the jaw is low. SUMMARY

[0003] The utility model aims at solving above -mentioned problem, provides a five -axis CNC manual outer rubber clamp, solves above -mentioned problem.

[0004] A five -axis CNC manual outer rubber clamp, comprising: a clamp base, a taper body, a rubber chuck, a pull sleeve, a gear shaft and a toothed disc, the clamp base and the taper body are fixedly connected, the gear shaft is rotatably connected with the clamp base and / or the taper body, the gear shaft is engaged with the toothed disc, the toothed disc is rotatably connected with the taper body, the toothed disc is threadedly connected with the pull sleeve, the pull sleeve slides up and down relative to the taper body, the pull sleeve is connected with the rubber chuck, and the outer taper surface of the rubber chuck is slidably connected with the taper hole of the taper body.

[0005] Further, a first groove is formed on the outer side of the lower part of the rubber chuck, a first protrusion is formed on the inner side of the upper part of the pull sleeve, and the first protrusion is inserted into the first groove.

[0006] Further, it further includes a check ring and a screw, the toothed disc is formed with a stepped shaft, the stepped shaft is formed with an external thread, the check ring is located above the stepped shaft, and the screw is threadedly connected with the stepped shaft through the check ring.

[0007] Further, it further includes a flange, the flange is located inside the taper body and is fixedly connected with the taper body, the stepped shaft passes through the flange and is slidably connected with the flange, and a sealing ring is arranged between the stepped shaft and the flange.

[0008] Further, it further includes a first screw, a first vertical groove is formed on the outer side of the pull sleeve, the first screw is threadedly connected with the taper body, and the first screw passes through the taper body and is inserted into the first vertical groove.

[0009] Further, a second screw is further included, a second vertical slot is formed outside the rubber chuck, the second screw is threadedly connected with the tapering body, and the second screw passes through the tapering body and is inserted into the second vertical slot.

[0010] Further, an Allen screw is further included, a plurality of vertical stepped holes are formed in the clamp base, and the Allen screw is threadedly connected with the tapering body after passing through the clamp base.

[0011] Further, a square hole is formed in an outer side end surface of the gear shaft.

[0012] The utility model has the advantages that the metal blocks of the rubber chuck are synchronously reduced and enlarged in the axial movement process, the plurality of claws do not need to be newly corrected, correction is not needed, and clamping efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only one embodiment of the utility model, and for those skilled in the art, other embodiment drawings can be obtained according to the provided drawings without creative labor.

[0014] Figure 1 The utility model discloses a three-dimensional structure schematic diagram;

[0015] Figure 2 The utility model discloses a front view structure schematic diagram;

[0016] Figure 3 The utility model discloses a sectional structure schematic diagram at A-A in as Figure 2 The utility model discloses a specific implementation CONCRETE EMBODIMENT

[0017] The utility model will be further explained in connection with the drawings and examples as follows:

[0018] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as the limitation of the utility model.

[0019] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be direct connection, also can be indirectly connected through intermediate medium.

[0020] In the description of the utility model, it needs to be understood that, the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model.

[0021] As shown in Figures 1 to 3 A five-axis CNC manual outer rubber clamp, comprising: clamp base 1, taper body 2, rubber chuck 3, pull sleeve 5, gear shaft 6 and gear disc 7, the clamp base 1 and taper body 2 are fixedly connected, the gear shaft 6 is rotatably connected with the clamp base 1 and / or taper body 2, the gear shaft 6 is engaged with the gear disc 7, the gear disc 7 is rotatably connected with the taper body 2, the gear disc 7 is threadedly connected with the pull sleeve 5, the pull sleeve 5 slides up and down relative to the taper body 2, the pull sleeve 5 is connected with the rubber chuck 3, the outer taper surface of the rubber chuck 3 is slidably connected with the inner taper surface of the taper hole 20 of the taper body 2, so as to change the diameter of the inner hole of the rubber chuck 3, the inner wall of the rubber chuck 3 is in contact with the workpiece to fix the workpiece.

[0022] It needs to be explained that the rubber chuck 3 is prior art, which is composed of a plurality of rubber blocks and metal blocks arranged alternately in a circle.

[0023] Further, a first recess 31 is formed on the outer side of the lower part of the rubber chuck 3, and a first protrusion 51 is formed on the inner side of the upper part of the pull sleeve 5, and the first protrusion 51 is inserted into the first recess 31.

[0024] Further, it further includes a check ring 13 and a screw 14, the gear disc 7 is formed with a stepped shaft 71, the stepped shaft 71 is formed with external threads, the check ring 13 is located above the stepped shaft 71, and the screw 14 is threadedly connected with the stepped shaft 71 through the check ring 13. The stepped surface of the check ring 13 and the stepped shaft 71 is used to limit the distance of the pull sleeve 5 moving up and down, so as to avoid that the pull sleeve 5 drives the rubber chuck 3 to move axially too far, causing damage to the rubber chuck 3.

[0025] Further, the flange 4 is arranged inside the tapering body 2 and fixedly connected with the tapering body 2, the stepped shaft 71 passes through the flange 4 and is in sliding connection with the flange 4, and a sealing ring is arranged between the stepped shaft 71 and the flange 4. The flange 4 is used for blocking dust, water and other impurities from the upper part to prevent them from entering the gear meshing area below. The sealing ring prevents dust, water and other impurities from entering the gear meshing position below the flange 4 along the gap.

[0026] Further, the first screw 21 is arranged outside the pull sleeve 5, the first vertical groove 52 is formed on the pull sleeve 5, the first screw 21 is in threaded connection with the tapering body 2, and the first screw 21 passes through the tapering body 2 and is inserted into the first vertical groove 52. The first screw 21 is used for preventing the pull sleeve 5 from rotating around the axis.

[0027] Further, the second screw 22 is arranged outside the rubber chuck 3, the second vertical groove 32 is formed on the rubber chuck 3, the second screw 22 is in threaded connection with the tapering body 2, and the second screw 22 passes through the tapering body 2 and is inserted into the second vertical groove 32. The second screw 22 is used for preventing the rubber chuck 3 from rotating around the axis.

[0028] Further, the hexagonal socket screw 11 is arranged outside the clamp base 1, the clamp base 1 is provided with a plurality of vertical stepped holes, the screw is in threaded connection with the machine tool after passing through the stepped hole to fix the clamp base 1 with the machine tool, and the hexagonal socket screw 11 is in threaded connection with the tapering body 2 after passing through the clamp base 1.

[0029] Further, the square hole 61 is formed on the outer end surface of the gear shaft 6, the locking and loosening tool 16 needs to be inserted into the square hole 61 and rotated to rotate the gear shaft 6, so as to rotate the gear disc 7, axially move the pull sleeve 5 up and down, and finally move the rubber chuck up and down when clamping and loosening the workpiece. When the rubber chuck 3 moves downward, it is compressed and shrunk by the tapering surface in the tapering hole 20, and when it moves upward, it automatically rebounds and expands.

[0030] The utility model is described above by way of example, but the utility model is not limited to the above specific embodiments, and any modification or change based on the utility model belongs to the scope of protection required by the utility model.

Claims

1. A five-axis CNC manual external rubber clamp, characterized in that, include: The fixture base (1), tapered body (2), rubber chuck (3), pull sleeve (5), gear shaft (6) and gear disc (7) are fixedly connected. The gear shaft (6) is rotatably connected to the fixture base (1) and / or tapered body (2). The gear shaft (6) meshes with the gear disc (7). The gear disc (7) is rotatably connected to the tapered body (2). The gear disc (7) is threadedly connected to the pull sleeve (5). The pull sleeve (5) slides up and down relative to the tapered body (2). The pull sleeve (5) is connected to the rubber chuck (3). The outer conical surface of the rubber chuck (3) is slidably connected to the conical hole (20) of the tapered body (2).

2. The five-axis CNC manual external rubber clamp according to claim 1, characterized in that: The lower outer side of the rubber clamp (3) has a first groove (31), and the upper inner side of the pull sleeve (5) has a first protrusion (51), which is inserted into the first groove (31).

3. A five-axis CNC manual external rubber clamp according to claim 1, characterized in that: It also includes a retaining ring (13) and a screw (14), the gear disc (7) is formed with a stepped shaft (71), the stepped shaft (71) is formed with an external thread, the retaining ring (13) is located above the stepped shaft (71), and the screw (14) passes through the retaining ring (13) and is threaded to the stepped shaft (71).

4. A five-axis CNC manual external rubber clamp according to claim 3, characterized in that: It also includes a flange (4), which is located inside the tapered body (2) and fixedly connected to the tapered body (2). The stepped shaft (71) passes through the flange (4) and is slidably connected to the flange (4). A sealing ring is provided between the stepped shaft (71) and the flange (4).

5. A five-axis CNC manual external rubber clamp according to claim 1, characterized in that: It also includes a first screw (21), and a first vertical groove (52) is formed on the outer side of the pull sleeve (5). The first screw (21) is threadedly connected to the tapered body (2). The first screw (21) passes through the tapered body (2) and is inserted into the first vertical groove (52).

6. A five-axis CNC manual external rubber clamp according to claim 1, characterized in that: It also includes a second screw (22), a second vertical groove (32) is formed on the outer side of the rubber chuck (3), the second screw (22) is threadedly connected to the tapered body (2), and the second screw (22) passes through the tapered body (2) and is inserted into the second vertical groove (32).

7. A five-axis CNC manual external rubber clamp according to claim 1, characterized in that: It also includes hexagonal screws (11), the fixture base (1) has multiple vertical stepped holes, and the hexagonal screws (11) pass through the fixture base (1) and are threadedly connected to the tapered body (2).

8. A five-axis CNC manual external rubber clamp according to claim 1, characterized in that: A square hole (61) is formed on the outer end face of the gear shaft (6).

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