Positioning tool for fastener production and machining

Abstract

The utility model belongs to the technical field of fastener machining, and particularly relates to a positioning tool for fastener production and machining, which comprises a base, a positioning device, a positioning device, a positioning device and a positioning device, the base is provided with a mounting table, and the mounting table is provided with a transmission hole; the chuck comprises a plurality of clamping jaws, a bevel gear, a plurality of matched gears and a chuck body, plane threads are arranged on one face of the bevel gear, guide threads are arranged on one faces of the clamping jaws, the bevel gear is arranged in the chuck body, the matched gears are meshed with the bevel gear, and the guide threads of the clamping jaws are meshed with the plane threads on the bevel gear. A central through hole is formed in the disc body and is communicated with the transmission hole; and the telescopic push rod partially extends into the transmission hole. By means of the positioning tool, the bolts and other fasteners can be kept in the horizontal upright state during transverse fixing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the fastener processing technical field, concretely relates to a positioning tool for fastener production and processing. BACKGROUND

[0002] Fasteners are a kind of mechanical parts used when two or more than two parts (or components) are fastened and connected to become a whole, which usually includes the following types: bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, check rings, pins, rivets, combination parts and connecting pairs, and welding pins.

[0003] In the prior art, the fastener needs to be positioned and fixed by a positioning tool during processing, and the fastener is processed by an external processing tool.

[0004] Taking a bolt as an example, since the bolt can be divided into hexagonal head, round head, square head and the like according to the head shape, when the bolt is placed into the positioning tool, the bolt cannot perfectly fit the clamp, so that the fastener may be inclined, and if the processing is continued, the product processing precision will be reduced, and if the bolt is manually righted, the efficiency is low and the manpower is wasted. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problems in the background art, and provides a positioning tool for fastener production and processing, which can automatically right the fastener.

[0006] In order to achieve the above-mentioned purpose, a positioning tool for fastener production and processing is provided, which comprises:

[0007] A base is provided with a mounting table, and the mounting table is provided with a transmission hole;

[0008] A chuck comprises a plurality of clamping jaws, a bevel gear, a plurality of matching gears and a disc body, one side of the bevel gear is provided with a plane thread, one side of the clamping jaw is provided with a guide thread, the bevel gear is arranged in the disc body, the plurality of matching gears are engaged with the bevel gear, the guide thread of the plurality of clamping jaws is engaged with the plane thread on the bevel gear, and the disc body is provided with a center through hole which is communicated with the transmission hole;

[0009] A telescopic push rod is partially inserted into the transmission hole.

[0010] In the above technical solution, the bolt can be placed into the transmission hole, the bolt is moved towards the chuck by the telescopic push rod, at this time, the position of the clamping jaw is adjusted, the telescopic push rod and the clamping jaw abut against both ends of the bolt head, and the righting action of the bolt is realized.

[0011] Further, the positioning tool for fastener production and processing further comprises a docking unit, the docking unit comprises a lead screw, an auxiliary rod, a moving block, a docking rod, a motor and two mounting plates, the two mounting plates are spaced apart and mounted on the base, the lead screw is rotatably connected with the mounting plate, the auxiliary rod is connected with the mounting plate, the motor is arranged on the base, the output end of the motor is driven by the belt, the moving block is slidably connected with the lead screw and the auxiliary rod, and one end of the docking rod is fixedly connected with the moving block.

[0012] In the above technical solution, the position of the moving block can be adjusted through the lead screw structure, so that the docking rod is docked and fixed with the tail of the bolt, and the stability during bolt processing is enhanced.

[0013] Further, the docking unit further comprises a magnetic block, and the magnetic block is arranged at the end of the docking rod away from the moving block.

[0014] In the above technical solution, the magnetic block can attract some magnetic material bolts, and when the tail of the bolt is attracted by the magnetic block, the automatic righting of the bolt can be assisted to prevent tilting during clamping.

[0015] Further, the docking unit further comprises a clamping block, and the clamping block is arranged at the end of the docking rod away from the moving block.

[0016] In the above technical solution, the clamping block can be clamped with the tail of the bolt to further enhance the stability during bolt processing.

[0017] Further, the docking rod and the center through hole are in the same straight line.

[0018] In the above technical solution, the docking rod can be arranged opposite to the bolt to improve the processing accuracy.

[0019] Further, a sliding groove is formed at the top end of the mounting table, and the sliding groove is communicated with the transmission hole.

[0020] In the above technical solution, the bolt can be put into the sliding groove to automatically slide into the transmission hole, which is convenient for production.

[0021] Further, the clamping jaw is in the shape of "T".

[0022] In the above technical solution, the protruding part at the top of the clamping jaw can clamp the head of the bolt.

[0023] Further, the chuck and the mounting seat are rotatably connected.

[0024] The utility model discloses the advantages are in:

[0025] 1. This utility model can use a telescopic push rod to push the bolt and engage it with the jaws of the chuck, so that the bolt can be automatically straightened.

[0026] 2. This utility model can enhance the stability of bolt processing and play an auxiliary role in fixing and straightening bolts by setting up docking units and setting different functional components at the end of the docking rod. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the positioning fixture for fastener production and processing according to this utility model;

[0029] Figure 2 This is a partial structural perspective view of the positioning fixture for fastener production and processing according to this utility model.

[0030] Illustration: 1. Base, 2. Chuck, 3. Telescopic push rod, 4. Docking unit, 101. Mounting platform, 102. Transmission hole, 103. Slide groove, 201. Claw, 202. Disc body, 203. Center through hole, 401. Lead screw, 402. Moving block, 403. Docking rod, 404. Motor, 405. Mounting plate, 406. Magnetic block. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0032] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] like Figure 1 and Figure 2 As shown, a positioning fixture for fastener production and processing is provided. The positioning fixture for fastener production and processing consists of a base 1, a chuck 2, a telescopic push rod 3 and a docking unit 4. The base is provided with a mounting platform 101, and the mounting platform is provided with a transverse transmission hole 102.

[0034] The chuck includes several jaws 201, a bevel gear, several mating gears, and a disc body 202. One side of the bevel gear has a flat thread, and one side of the jaw has a guide thread. The bevel gear is set in the disc body. Several mating gears mesh with the bevel gear, and the guide threads of several jaws mesh with the flat threads on the bevel gear. The disc body has a central through hole 203, which communicates with the transfer hole.

[0035] The working part of the telescopic push rod 3 extends into the transmission hole.

[0036] In this embodiment, a three-jaw chuck is used. The three-jaw chuck has three jaws, a bevel gear, three mating gears, and a disc body. The right side of the bevel gear has a planar thread, and the left side of the jaw has a guide thread. The bevel gear is disposed in the disc body and is rotatably connected to the disc body. The three mating gears mesh with the circumference of the bevel gear, and the guide thread of the jaw meshes with the planar thread on the bevel gear. The three mating gears and the three jaws are all evenly distributed along the circumference of the disc body.

[0037] The docking unit consists of a lead screw 401, an auxiliary rod, a moving block 402, a docking rod 403, a motor 404, and two mounting plates 405. The two mounting plates are installed on the base at intervals. The lead screw is rotatably connected to the mounting plates. The auxiliary rod is connected to the mounting plates. The motor is mounted on the base. The output end of the motor is driven by the lead screw via a belt. The moving block is slidably connected to the lead screw and the auxiliary rod. The right end of the docking rod is fixedly connected to the moving block. The auxiliary rod and the lead screw are arranged symmetrically.

[0038] The aforementioned connecting rod and the central through hole are on the same straight line.

[0039] In one embodiment, the docking unit is further provided with a magnetic block 406, which is disposed at the left end of the docking rod.

[0040] In one embodiment, the docking unit is also provided with a clamping block, which is arranged at the left end of the docking rod.

[0041] In one embodiment, a chute 103 is formed at the top end of the mounting table, which communicates with the transmission hole.

[0042] In one embodiment, the clamping jaw is "T" shaped.

[0043] In one embodiment, the chuck is rotatably connected with the mounting seat.

[0044] The working principle and process of the utility model are as follows:

[0045] In one case, the bolt is put into the chute, and the bolt is automatically slid into the transmission hole, the bolt is pushed into the center through hole of the chuck by the telescopic push rod, the bolt tail is worn out of the center through hole, the mating gear is rotated, the bevel gear is driven to rotate, the bevel gear drives the clamping jaw to slide to the center of the center through hole, the bolt head is blocked by the clamping jaw, the bolt head is automatically returned to the normal position under the extrusion of the telescopic push rod and the clamping jaw, on the other hand, the screw rod can be rotated by the motor, the moving block is moved left, the magnetic attraction block or the clamping block on the docking rod is docked with the bolt tail, and the bolt is stabilized.

[0046] In another case, when the bolt tail is worn out of the center through hole, the magnetic attraction block on the docking rod can be docked with the bolt tail to assist the bolt to return to the normal position.

[0047] Finally, it should be pointed out that the embodiment is only used to illustrate the utility model and does not limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

Claims

1. A positioning fixture for fastener manufacturing and processing, characterized in that: The positioning fixture for fastener production and processing includes: A base (1) is provided with a mounting platform (101) and a transmission hole (102) is provided on the mounting platform; The chuck (2) includes several jaws (201), a bevel gear, several mating gears, and a disc body (202). One side of the bevel gear is provided with a planar thread, and one side of the jaws is provided with a guide thread. The bevel gear is disposed in the disc body. The several mating gears mesh with the bevel gear. The guide threads of the several jaws mesh with the planar threads on the bevel gear. The disc body is provided with a central through hole (203), which communicates with a transmission hole. Telescopic push rod (3), the telescopic push rod part extends into the transmission hole.

2. The positioning fixture for fastener production and processing according to claim 1, characterized in that: The positioning fixture for fastener production and processing also includes a docking unit (4). The docking unit includes a lead screw (401), an auxiliary rod, a moving block (402), a docking rod (403), a motor (404), and two mounting plates (405). The two mounting plates are installed on the base at intervals. The lead screw is rotatably connected to the mounting plate. The auxiliary rod is connected to the mounting plate. The motor is set on the base. The output end of the motor is driven by the lead screw via a belt. The moving block is slidably connected to the lead screw and the auxiliary rod. One end of the docking rod is fixedly connected to the moving block.

3. The positioning fixture for fastener production and processing according to claim 2, characterized in that: The docking unit also includes a magnetic block (406), which is located at the end of the docking rod away from the moving block.

4. The positioning fixture for fastener production and processing according to claim 2, characterized in that: The docking unit further includes a snap-fit ​​block, which is located at the end of the docking rod away from the moving block.

5. The positioning fixture for fastener production and processing according to claim 2, characterized in that: The connecting rod and the central through hole are on the same straight line.

6. The positioning fixture for fastener production and processing according to claim 1, characterized in that: A sliding groove (103) is provided at the top of the mounting platform, and the sliding groove is connected to the transmission hole.

7. The positioning fixture for fastener production and processing according to claim 1, characterized in that: The jaws are T-shaped.

8. The positioning fixture for fastener production and processing according to claim 1, characterized in that: The chuck is rotatably connected to the mounting base.

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