Clamp for machining inclined hole in side face of special-shaped hub flange

Abstract

The utility model belongs to the technical field of special-shaped hub flange machining, and discloses a clamp for machining inclined holes in the side face of a special-shaped hub flange, which comprises a working table and a three-jaw chuck, a first cavity is arranged in the working table, one side of the first cavity is rotatably connected with a rotating shaft, a rotating block is installed on the periphery of the rotating shaft, and a half gear is installed on the bottom end face of the rotating block. One side of the first cavity is in threaded connection with a lead screw, one end of the lead screw is rotationally connected with a rack, the bottom end face of the rack is attached to the bottom of the first cavity, a through groove is formed in the upper end face of the workbench, the upper end face of the rotating block penetrates through the through groove to be provided with a mounting block, a second cavity is formed in the mounting block, and one side of the second cavity is rotationally connected with a worm. The bottom of the second cavity is rotationally connected with a rotating rod, a worm wheel is installed on the periphery of the rotating rod, and the top end of the rotating rod penetrates through the upper end face of the mounting block to be provided with a rotating seat. The device is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of special-shaped wheel hub flange side surface inclined hole processing, more specifically, it relates to a clamp for processing special-shaped wheel hub flange side surface inclined hole. BACKGROUND

[0002] The clamp for processing special-shaped wheel hub flange side surface inclined hole is usually called inclined hole processing clamp or special clamp, and the main function of the clamp is to firmly fix the wheel hub flange on the machine tool, so as to ensure the positioning accuracy and stability of the workpiece during processing, so that the inclined hole on the side surface of the special-shaped wheel hub flange can be smoothly processed.

[0003] Now the clamp for processing special-shaped wheel hub flange side surface inclined hole needs workers to take the special-shaped wheel hub flange from the clamp for many times, adjust the position and then clamp it for drilling, which is time-consuming and labor-consuming, and seriously reduces the work efficiency.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and the clamp for processing special-shaped wheel hub flange side surface inclined hole is provided, so as to achieve the purpose of having more practical value. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a clamp for processing special-shaped wheel hub flange side surface inclined hole, which is realized by the following specific technical means:

[0006] A clamp for processing special-shaped wheel hub flange side surface inclined hole, comprising a workbench and a three-jaw chuck, a cavity one is arranged in the workbench, a rotating shaft is rotatably connected to one side of the cavity one, a rotating block is mounted on the periphery of the rotating shaft, a half gear is mounted on the bottom end face of the rotating block, a lead screw is threadedly connected to one side of the cavity one, a rack is rotatably connected to one end of the lead screw, the bottom end face of the rack is attached to the bottom of the cavity one, a through slot is arranged on the upper end face of the workbench, an installation block is mounted on the upper end face of the rotating block through the through slot, a cavity two is arranged in the installation block, a worm is rotatably connected to one side of the cavity two, a rotating rod is rotatably connected to the bottom of the cavity two, a worm wheel is mounted on the periphery of the rotating rod, a rotating seat is mounted on the top end of the rotating rod through the upper end face of the installation block, a three-jaw chuck is mounted on the upper end face of the rotating seat, and a pair of shielding mechanisms is mounted on the position close to the through slot on the upper end face of the workbench.

[0007] Further, one end of the lead screw is provided with an adjusting block one through one side of the workbench.

[0008] Further, one end of the worm is provided with an adjusting block two through one side of the installation block.

[0009] Further, the rack is located directly below the half gear, and the half gear is engaged with the rack.

[0010] Further, the worm gear is located on one side of the worm, and the worm gear is engaged with the worm.

[0011] Further, the blocking mechanism comprises a supporting block, a movable rod and a baffle, one side of the upper end face of the workbench is provided with the supporting block, one side of the supporting block is movably connected with the movable rod, the other end of the movable rod is provided with the baffle, one side of the baffle is provided with a groove, the size of the groove is matched with the size of the mounting block, the periphery of the movable rod is provided with a compression spring, and the two ends of the compression spring are connected with the opposite sides of the supporting block and the baffle respectively.

[0012] Further, one end of the movable rod penetrates through one side of the supporting block and is provided with a limiting block.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] Through cooperation of the adjusting block one, the screw rod, the rack, the half gear, the adjusting block two, the worm gear, the worm and the rotating rod, the worker rotates the adjusting block one, the adjusting block one drives the screw rod to rotate, because the screw rod is screwed with one side of the cavity one, so the screw rod moves to one side when rotating, the screw rod drives the rack to move to one side, because the half gear is engaged with the rack, so the half gear rotates when the rack moves to one side, the half gear drives the rotating block to rotate, so as to drive the special-shaped wheel hub flange to rotate forward and backward, the worker rotates the adjusting block two, the adjusting block two drives the worm to rotate, because the worm gear is engaged with the worm, so the worm gear rotates when the worm rotates, the worm gear drives the rotating seat to rotate through the rotating rod, so as to drive the special-shaped wheel hub flange to rotate left and right through the three-jaw chuck, thereby facilitating the worker to adjust the special-shaped wheel hub flange at multiple angles, and improving work efficiency.

[0015] Through cooperation of the compression spring, the movable rod and the baffle, under the action force of the compression spring, the compression spring pushes the baffle to always adhere to the surface of one side of the mounting block, and blocks the through groove, so as to effectively reduce the debris entering the cavity one through the through groove, avoid affecting the operation of the machine, and improve the practicability of the product. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional schematic diagram of part structure of the utility model.

[0018] Figure 3 It is the three-dimensional schematic diagram of part structure of the utility model.

[0019] Figure 4 It is part structure side view sectional view schematic diagram of the utility model.

[0020] In the drawing, the corresponding relationship of component name and drawing number is:

[0021] 1, workbench; 101, chamber one; 102, through slot; 2, three jaw chuck; 3, rotating block; 301, rotating shaft; 302, half gear; 4, screw; 401, rack; 402, adjusting block one; 5, mounting block; 501, chamber two; 6, worm; 601, adjusting block two; 7, rotating rod; 701, worm wheel; 8, rotating seat; 9, shielding mechanism; 901, support block; 902, movable rod; 903, baffle; 904, recess; 905, compression spring; 906, limiting block. DETAILED DESCRIPTION

[0022] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] As shown in the accompanying Figure 1 To the accompanying Figure 4 As shown:

[0027] The utility model provides a kind of clamp for processing special-shaped wheel hub flange side surface inclined hole, including workbench 1 and three-jaw chuck 2, chamber one 101 is equipped in workbench 1, one side of chamber one 101 is rotatably connected with shaft 301, rotating block 3 is installed on the periphery of shaft 301, half gear 302 is installed on the bottom end surface of rotating block 3, one end of screw rod 4 is rotatably connected with rack 401, the bottom end surface of rack 401 is pasted with the bottom of chamber one 101, the upper end surface of workbench 1 is equipped with through slot 102, the upper end surface of rotating block 3 is installed with mounting block 5 through through slot 102, chamber two 501 is equipped in mounting block 5, one side of chamber two 501 is rotatably connected with worm 6, the bottom of chamber two 501 is rotatably connected with rotating rod 7, worm gear 701 is installed on the periphery of rotating rod 7, rotating seat 8 is installed on the top end of rotating rod 7 and passes through the upper end surface of mounting block 5, three-jaw chuck 2 is installed on the upper end surface of rotating seat 8, a pair of shielding mechanisms 9 is installed on the position of the upper end surface of workbench 1 close to through slot 102.

[0028] Wherein, one end of screw rod 4 is installed with adjusting block one 402 through the side of workbench 1.

[0029] Wherein, one end of worm 6 is installed with adjusting block two 601 through the side of mounting block 5.

[0030] Wherein, rack 401 is located directly below half gear 302, and half gear 302 and rack 401 are mutually engaged.

[0031] Wherein, worm gear 701 is located on the side of worm 6, and worm gear 701 and worm 6 are mutually engaged.

[0032] Wherein, shielding mechanism 9 includes support block 901, movable rod 902 and baffle 903, the upper end surface side of workbench 1 is installed with support block 901, movable rod 902 is movably connected on the side of support block 901, baffle 903 is installed on the other end of movable rod 902, recess 904 is equipped on the side of baffle 903, the size of recess 904 is matched with the size of mounting block 5, compression spring 905 is sleeved on the periphery of movable rod 902, the opposite side of baffle 903 and support block 901 is connected respectively with both ends of compression spring 905, under the action of compression spring 905, compression spring 905 pushes baffle 903 to always be pasted with the surface of one side of mounting block 5, and shielding is carried out to through slot 102.

[0033] Wherein, one end of movable rod 902 is installed with limit block 906 through the side of support block 901, limit block 906 can play the role of limiting.

[0034] The working principle of the embodiment:

[0035] Firstly, the special-shaped hub flange is fixed through the three-jaw chuck 2, the worker rotates the adjusting block one 402, the adjusting block one 402 drives the screw rod 4 to rotate, because the screw rod 4 is screw-connected with one side of the cavity one 101, so the screw rod 4 moves to one side when rotating, the screw rod 4 drives the rack 401 to move to one side, because the half gear 302 is engaged with the rack 401, so the rack 401 drives the half gear 302 to rotate when moving to one side, the half gear 302 drives the rotating block 3 to rotate, so that the special-shaped hub flange can be driven to rotate forward and backward, the worker rotates the adjusting block two 601, the adjusting block two 601 drives the worm 6 to rotate, because the worm gear 701 is engaged with the worm 6, so the worm 6 drives the worm gear 701 to rotate when rotating, the worm gear 701 drives the rotating seat 8 to rotate through the rotating rod 7, so that the rotating seat 8 can drive the special-shaped hub flange to rotate left and right through the three-jaw chuck 2, thereby facilitating the worker to adjust the special-shaped hub flange at multiple angles, under the action force of the compression spring 905, the compression spring 905 pushes the baffle 903 to always adhere to the surface of one side of the mounting block 5, and the through slot 102 is shielded, so that the debris entering into the cavity one 101 through the through slot 102 can be effectively reduced.

[0036] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges, comprising a worktable (1) and a three-jaw chuck (2), characterized in that: The workbench (1) has a chamber (101) inside. A rotating shaft (301) is rotatably connected to one side of the chamber (101). A rotating block (3) is installed around the rotating shaft (301). A half gear (302) is installed on the bottom end face of the rotating block (3). A lead screw (4) is threadedly connected to one side of the chamber (101). A rack (401) is rotatably connected to one end of the lead screw (4). The bottom end face of the rack (401) fits against the bottom of the chamber (101). A through groove (102) is provided on the upper end face of the workbench (1). The upper end face of the rotating block (3) passes through... A mounting block (5) is installed in the through slot (102). A second chamber (501) is provided in the mounting block (5). A worm gear (6) is rotatably connected to one side of the second chamber (501). A rotating rod (7) is rotatably connected to the bottom of the second chamber (501). A worm wheel (701) is installed around the rotating rod (7). A rotating seat (8) is installed through the upper surface of the mounting block (5) at the top of the rotating rod (7). A three-jaw chuck (2) is installed on the upper surface of the rotating seat (8). A pair of shielding mechanisms (9) are installed on the upper surface of the worktable (1) near the through slot (102).

2. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 1, characterized in that: One end of the lead screw (4) passes through one side of the workbench (1) and is fitted with an adjustment block (402).

3. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 1, characterized in that: One end of the worm gear (6) passes through one side of the mounting block (5) and is fitted with an adjusting block two (601).

4. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 1, characterized in that: The rack (401) is located directly below the half gear (302), and the half gear (302) meshes with the rack (401).

5. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 1, characterized in that: The worm wheel (701) is located on one side of the worm (6), and the worm wheel (701) meshes with the worm (6).

6. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 1, characterized in that: The shielding mechanism (9) includes a support block (901), a movable rod (902), and a baffle (903). The support block (901) is installed on one side of the upper surface of the workbench (1). The movable rod (902) is movably connected to one side of the support block (901). The baffle (903) is installed at the other end of the movable rod (902). A groove (904) is provided on one side of the baffle (903). The size of the groove (904) matches the size of the mounting block (5). A compression spring (905) is fitted around the movable rod (902). The two ends of the compression spring (905) are respectively connected to the opposite side of the support block (901) and the baffle (903).

7. The fixture for machining oblique holes on the side of irregularly shaped wheel hub flanges as described in claim 6, characterized in that: One end of the movable rod (902) passes through one side of the support block (901) and is fitted with a limit block (906).

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