Blind rivet fixing device of numerical control machine tool

Abstract

The utility model provides a numerical control machine tool blind rivet fixing device and relates to the technical field of numerical control machine tool blind rivets, the numerical control machine tool blind rivet fixing device comprises a cutter handle and a blind rivet body, the top of the cutter handle is provided with a groove, the bottom of the groove is provided with a first threaded hole in the cutter handle, the blind rivet body comprises a rivet body, and the top of the rivet body is fixedly connected with a limiting block. A limiting groove is formed in the periphery of the limiting block in a surrounding mode, a rotating base is fixedly connected to the top of the limiting block, and a connecting nail head is fixedly connected to the top of the rotating base. The fixing firmness and stability of the blind rivet body are enhanced, and therefore the problems that due to the fact that the fixing effect between the blind rivet and the knife handle is poor, when the main shaft drives the knife handle to rotate at a high speed, the knife handle loosens, shifts and even falls off, and then the machining precision and safe operation of a machine tool are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool pull nail technical field especially, relates to a numerical control machine tool pull nail fixing device. BACKGROUND

[0002] Numerical control machine tool is the mainstream machine tool type now, and the numerical control machine tool that can realize work automation completely is called machining center, and can complete fixing, piece changing, tool changing, cutting, lubrication and the like automatically through data control, and the whole process does not need manual intervention, in the tool changing operation of numerical control machine tool, in order to realize that tool changing can be carried out quickly, the pull nail is often used for clamping between the shank and the main shaft, and needs to have the ability of elastic deformation itself, so the material of pull nail is basically high-strength plastic.

[0003] The pull nail and the shank are connected in a threaded connection mode, and long-term use can produce thread slipping, so that the fixing effect between the pull nail and the shank is poor, when the main shaft drives the shank to rotate at high speed, the shank can be loose, displace or even fall off, thereby affecting the machining precision and the safe operation of the machine tool, therefore, the utility model provides a numerical control machine tool pull nail fixing device. UTILITY MODEL CONTENTS

[0004] The utility model discloses a numerical control machine tool pull nail fixing device to solve the problem in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A numerical control machine tool pull nail fixing device, including shank and pull nail body, the shank top is provided with the recess, the recess bottom and located inside the shank are provided with first threaded hole, the pull nail body includes the nail body, the nail body top fixedly connected with the limit block, the limit block periphery is provided with the limit slot, the limit block top is fixedly connected with the rotating seat, the rotating seat top is fixedly connected with the connecting nail head, both sides in the recess are provided with fixed assembly.

[0007] As the preferred scheme of the utility model, the fixed assembly includes the storage groove, and the arc-shaped fixed block is arranged in the storage groove on both sides.

[0008] As the preferred scheme of the utility model, the arc-shaped fixed block is fixedly connected with the movable seat on the outside, and the movable seat is movably connected with the adjusting bolt.

[0009] The technical effect of the above-mentioned further scheme is that one end of the adjusting bolt is movably connected with the movable seat, so that the adjusting bolt rotates, and the arc-shaped fixed block fixedly connected with the movable seat is also moved.

[0010] As the preferred scheme of the utility model, the other end of the adjusting bolt is provided with an internal hexagonal bolt head.

[0011] As the preferred scheme of the utility model, the outer surface of the tool holder is symmetrically provided with countersunk holes.

[0012] The technical effect of the above further scheme is that the internal hexagonal bolt head is located in the countersunk hole, facilitating the rotation of the internal hexagonal bolt head by the staff using tools, and making the surface more beautiful.

[0013] As the preferred scheme of the utility model, the countersunk hole is provided with a second threaded hole on one side.

[0014] As the preferred scheme of the utility model, the second threaded hole is threadedly connected with the adjusting bolt.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] In the utility model, when the pull-in body is screwed into the first threaded hole in the tool holder through the nail body, and the two are connected, the fixed firmness and stability of the pull-in body are strengthened through the cooperation of the fixing assembly, thereby avoiding the problems of poor fixing effect between the pull-in and the tool holder, loose tool holder, displacement or even falling off of the tool holder when the tool holder is rotated at high speed by the main shaft, and affecting the machining precision and the safe operation of the machine tool. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 The utility model provides a kind of overall structure schematic diagram of numerical control machine tool pull-in fixing device;

[0018] Fig. 2 The utility model provides a kind of tool holder plane internal structure schematic diagram of numerical control machine tool pull-in fixing device;

[0019] Fig. 3 The utility model provides a kind of A area structure enlarged schematic view of numerical control machine tool pull-in fixing device.

[0020] Legend: 1, tool holder;101, recess;102, first threaded hole;2, pull-in body;201, nail body;202, limit block;2021, limit slot;203, rotating seat;204, connecting nail head;3, fixing assembly;301, storage slot;302, arc-shaped fixed block;3021, movable seat;303, adjusting bolt;3031, internal hexagonal bolt head;4, countersunk hole;401, second threaded hole. DETAILED DESCRIPTION

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Example 1

[0026] like Figs. 1-3 As shown, this utility model provides a technical solution: a CNC machine tool pull stud fixing device, including a tool holder 1 and a pull stud body 2. The tool holder 1 has a groove 101 on its top, and a first threaded hole 102 is formed at the bottom of the groove 101 and inside the tool holder 1. The pull stud body 2 includes a stud body 201, a limiting block 202 is fixedly connected to the top of the stud body 201, a rotating seat 203 is fixedly connected to the top of the limiting block 202, and a connecting stud head 204 is fixedly connected to the top of the rotating seat 203. When the pull stud body 2 is connected to the tool holder 1, the stud body 201 on the pull stud body 2 is screwed into the first threaded hole 102, so that the limiting block 202 on the top of the stud body 201 is located in the groove 101 on the top of the tool holder 1. After the stud body 201 is fully screwed into the first threaded hole 102, the rotating seat 203 on the pull stud body 2 is rotated with a wrench to further strengthen the connection between the pull stud body 2 and the tool holder 1.

[0027] Embodiment 2

[0028] As Figs. 1-3 shown, a numerical control machine tool pull nail fixing device, the groove 101 both sides are provided with fixed assembly 3, fixed assembly 3 includes receiving groove 301, both sides receiving groove 301 are provided with arc fixed block 302, arc fixed block 302 outside are fixedly connected with movable seat 3021, movable seat 3021 is movably connected with adjusting bolt 303, adjusting bolt 303 other end is provided with internal hexagonal head 3031, the outer surface of the shank 1 is provided with countersunk hole 4, and one side of the countersunk hole 4 is provided with second threaded hole 401, when the pull nail body 2 is connected with the shank 1, using tool passes through countersunk hole 4, rotates internal hexagonal head 3031 and drives adjusting bolt 303 to rotate, adjusting bolt 303 is screw connected with second threaded hole 401, and the other end of adjusting bolt 303 is movably connected with movable seat 3021 on arc fixed block 302, so that adjusting bolt 303 moves, drives arc fixed block 302 to move when, limit block 202 is provided with limit groove 2021 around the periphery, arc fixed block 302 moves and abuts the limit groove 2021 provided in the periphery of limit block 202, to strengthen the firmness and stability of the fixed pull nail body 2.

[0029] The working process of the utility model: when using a numerical control machine tool pull nail fixing device, when connecting the pull nail body 2 with the shank 1, the nail body 201 on the pull nail body 2 is rotated into the first threaded hole 102, so that the limit block 202 on the top of the nail body 201 is located in the groove 101 provided on the top of the shank 1, when the nail body 201 is completely rotated into the first threaded hole 102, the rotating seat 203 on the pull nail body 2 is rotated using a wrench, further reinforcing the connection between the pull nail body 2 and the shank 1, after the pull nail body 2 is connected with the shank 1, using tool passes through countersunk hole 4, rotates internal hexagonal head 3031 and drives adjusting bolt 303 to rotate, adjusting bolt 303 is screw connected with second threaded hole 401, and the other end of adjusting bolt 303 is movably connected with movable seat 3021 on arc fixed block 302, so that adjusting bolt 303 moves, drives arc fixed block 302 to move when, limit block 202 is provided with limit groove 2021 around the periphery, arc fixed block 302 moves and abuts the limit groove 2021 provided in the periphery of limit block 202, to strengthen the firmness and stability of the fixed pull nail body 2, thereby avoiding the problem that the fixing effect between the pull nail and the shank 1 is poor, which causes the shank 1 to loosen, displace or even fall off when the main shaft drives the shank 1 to rotate at high speed, and further affecting the machining precision and the safe operation of the machine tool.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A draw stud fixing device for a numerically controlled machine tool, comprising a tool shank (1) and a draw stud body (2), characterized in that: The top of the tool shank (1) is provided with a groove (101), and the bottom of the groove (101) and inside the tool shank (1) is provided with a first threaded hole (102), the pull pin body (2) comprises a pin body (201), the top of the pin body (201) is fixedly connected with a limiting block (202), the limiting block (202) is provided with a limiting groove (2021) around the periphery, the top of the limiting block (202) is fixedly connected with a rotating seat (203), the top of the rotating seat (203) is fixedly connected with a connecting pin head (204), and both sides of the groove (101) are provided with a fixed assembly (3).

2. A draw-in fastening device for a numerically controlled machine tool according to claim 1, characterized in that: The fixed assembly (3) comprises a receiving groove (301), and both sides of the receiving groove (301) are provided with an arc-shaped fixed block (302).

3. A draw-in fastening device for a numerically controlled machine tool according to claim 2, characterized in that: The outer side of the arc-shaped fixed block (302) is fixedly connected with a movable seat (3021), and the movable seat (3021) is movably connected with an adjusting bolt (303).

4. A draw-in fastening device for a numerically controlled machine tool according to claim 3, characterized in that: The other end of the adjusting bolt (303) is provided with an internal hexagonal bolt head (3031).

5. The draw-in fastening device for a CNC machine tool according to claim 1, characterized in that: The outer surface of the tool shank (1) is symmetrically provided with a countersunk hole (4).

6. A draw-in fastening device for a numerically controlled machine tool according to claim 5, characterized in that: One side of the countersunk hole (4) is provided with a second threaded hole (401).

7. A draw-in fastening device for a numerically controlled machine tool according to claim 6, characterized in that: The second threaded hole (401) is in threaded connection with the adjusting bolt (303).

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