Locomotive bolt square milling protection clamp

Abstract

The utility model relates to the technical field of bolt square milling clamps, and discloses a locomotive bolt square milling protection clamp which comprises a base, a motor installation groove is formed in the base, a fixing ring installation groove is formed in the upper surface of the base, a rotary clamping mechanism is installed in the fixing ring installation groove, and a driving mechanism is installed in the motor installation groove. And two groups of fixed clamping mechanisms are mounted on the upper surface of the base. Through cooperative work of the rotary clamping mechanism, the driving mechanism and the fixed clamping mechanism, the situation that a cutting face needs to be replaced manually is avoided, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt square milling fixture technical field, specifically is a locomotive bolt square milling protection fixture. BACKGROUND

[0002] The locomotive bolt square milling fixture is a kind of fixture specially used for milling machine processing locomotive bolt, its design purpose is to ensure that bolt can be positioned and clamped accurately in the process of milling, so as to carry out square processing.

[0003] The locomotive bolt square milling fixture in prior art cannot automatically replace cutting surface when clamping and polishing, and manual replacement cutting surface is needed, which is more troublesome, and the above problems are solved by providing a locomotive bolt square milling protection fixture. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a locomotive bolt square milling protection fixture to at least solve the problems in the background art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a kind of locomotive bolt square milling protection fixture, including base, motor installation groove is set in the inside of base, fixed ring installation groove is set on the upper surface of base, rotating clamping mechanism is installed in the inside of fixed ring installation groove, driving mechanism is installed in the inside of motor installation groove, two groups of fixed clamping mechanism are installed on the upper surface of base.

[0007] Further, annular groove is set in the inner surface of fixed ring installation groove.

[0008] Further, the rotating clamping mechanism includes fixed ring body, installation sleeve ring, roller and gear ring, the fixed ring body is rotatably connected in the inside of fixed ring installation groove, the outer surface of fixed ring body is fixedly installed with installation sleeve ring, the inner wall of installation sleeve ring is rotatably connected with a plurality of rollers, the roller is abutted with annular groove, the upper surface of fixed ring body is fixedly installed with gear ring.

[0009] Further, the rotating clamping mechanism further includes first cylinder and first clamping block, the inner surface of fixed ring body is installed with two groups of first cylinder, and the output end of first cylinder is installed with first clamping block.

[0010] Further, the driving mechanism includes motor, driving rod and gear, motor is installed in the inside of motor installation groove, the output end of motor is installed with driving rod, driving rod extends to the outer surface of base, the output end of driving rod is installed with gear, and gear is meshed with gear ring.

[0011] Further, the fixed clamping mechanism comprises a vertical plate, a second cylinder, a second clamping block and anti-skid stripes, the upper surface of the base is fixedly provided with the vertical plate, one side of the vertical plate is provided with the second cylinder, the output end of the second cylinder is provided with the second clamping block, and the inner surface of the second clamping block is provided with the anti-skid stripes.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] The bolt rod is preliminarily clamped by the first clamping block driven by the first cylinder, and then the bolt rod is further fixedly clamped by the second clamping block driven by the second cylinder, the anti-skid stripes are arranged to avoid the sliding condition when the bolt head is cut, after a square surface is cut, the fixed clamping mechanism is reset first, then the driving rod rotates when the motor is started, the terminal gear of the driving rod is engaged with the tooth ring on the fixed ring body, so that the fixed ring body rotates in the fixed ring mounting groove, the mounting sleeve ring and the roller mounted on the fixed ring body roll in the annular groove, the friction is reduced, the stable rotation is ensured, the machining surface of the bolt head can be adjusted, the fixed clamping mechanism is started again to fix and clamp the bolt rod, and the cutting work can be carried out again, so that the manual replacement of the cutting surface is avoided, the working strength is reduced, and the working efficiency is improved.

[0014] Of course, it is not necessary for any product implementing the utility model to simultaneously achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure section schematic diagram of the utility model;

[0018] Figure 3 It is the rotating clamping mechanism and driving mechanism structure schematic diagram of the utility model;

[0019] Figure 4 It is the base structure section schematic diagram of the utility model;

[0020] The components represented by the numbers in the drawings are listed as follows:

[0021] In the figure: 1, base; 101, motor mounting groove; 102, fixed ring mounting groove; 10201, annular groove; 2, rotary clamping mechanism; 201, fixed ring body; 202, mounting collar; 203, roller; 204, tooth ring; 205, first cylinder; 206, first clamping block; 3, driving mechanism; 301, motor; 302, driving rod; 303, gear; 4, fixed clamping mechanism; 401, vertical plate; 402, second cylinder; 403, second clamping block; 404, anti-skid stripes. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figure 1 - Figure 4 As shown in the figure, the utility model is a locomotive bolt square milling protection clamp, including base 1, the inside of base 1 is provided with motor mounting groove 101, the upper surface of base 1 is provided with fixed ring mounting groove 102, rotary clamping mechanism 2 is installed in the inside of fixed ring mounting groove 102, driving mechanism 3 is installed in the inside of motor mounting groove 101, two groups of fixed clamping mechanism 4 are installed on the upper surface of base 1;

[0024] The inner surface of fixed ring mounting groove 102 is provided with annular groove 10201;

[0025] Rotary clamping mechanism 2 includes fixed ring body 201, mounting collar 202, roller 203 and tooth ring 204, fixed ring body 201 is rotatably connected to the inside of fixed ring mounting groove 102, mounting collar 202 is fixedly installed on the outer surface of fixed ring body 201, a plurality of rollers 203 are rotatably connected to the inner wall of mounting collar 202, roller 203 abuts with annular groove 10201, tooth ring 204 is fixedly installed on the upper surface of fixed ring body 201;

[0026] Rotary clamping mechanism 2 further includes first cylinder 205 and first clamping block 206, two groups of first cylinders 205 are installed on the inner surface of fixed ring body 201, first clamping block 206 is installed on the output end of first cylinder 205;

[0027] The driving mechanism 3 comprises a motor 301, a driving rod 302 and a gear 303, the motor 301 is installed in the inner part of the motor installation slot 101, the output end of the motor 301 is installed with the driving rod 302, the driving rod 302 extends to the outer surface of the base 1, the output end of the driving rod 302 is installed with the gear 303, and the gear 303 is in meshing connection with the tooth ring 204;

[0028] The fixed clamping mechanism 4 comprises a vertical plate 401, a second air cylinder 402, a second clamping block 403 and anti-skid stripes 404, the vertical plate 401 is fixedly installed on the upper surface of the base 1, the second air cylinder 402 is installed on one side of the vertical plate 401, the output end of the second air cylinder 402 is installed with the second clamping block 403, and the inner surface of the second clamping block 403 is provided with the anti-skid stripes 404;

[0029] By placing the bolt column between the two groups of first clamping blocks 206 in the inner part of the fixed ring body 201, then starting the first air cylinder 205 to drive the first clamping block 206 to preliminarily clamp the bolt rod, then starting the second air cylinder 402 to drive the second clamping block 403 to further fixedly clamp the bolt rod, the anti-skid stripes 404 are arranged to avoid the sliding during the cutting of the bolt head, when the cutting of one square surface is completed, first reset the fixed clamping mechanism 4, then start the motor 301, the driving rod 302 rotates, the gear 303 at the end of the driving rod 302 is in meshing connection with the tooth ring 204 on the fixed ring body 201, so that the fixed ring body 201 rotates in the inner part of the fixed ring installation slot 102, along with the rotation of the fixed ring body 201, the mounting sleeve ring 202 and the roller 203 mounted thereon roll in the annular groove 10201, the friction is reduced, and the stable rotation is ensured, so that the machining surface of the bolt head can be adjusted, then the fixed clamping mechanism 4 is started again to fixedly clamp the bolt rod, and the cutting work can be performed again, so that the manual replacement of the cutting surface is avoided, the working strength is reduced, and the working efficiency is improved.

[0030] In use, first, the bolt column is placed between the two groups of first clamping blocks 206 inside the fixed ring body 201, then the first cylinder 205 is started to drive the first clamping blocks 206 to preliminarily clamp the bolt rod, then the second cylinder 402 is started to drive the second clamping blocks 403 to further fixedly clamp the bolt rod, the anti-skid stripes 404 are arranged to avoid the sliding during cutting the bolt head, when a square surface is cut, first, the fixed clamping mechanism 4 is reset, then when the motor 301 is started, the driving rod 302 rotates, the end gear 303 of the driving rod 302 is engaged with the gear ring 204 on the fixed ring body 201, so that the fixed ring body 201 rotates in the fixed ring mounting groove 102, with the rotation of the fixed ring body 201, the mounting sleeve ring 202 and the roller 203 mounted thereon roll in the annular groove 10201, the friction is reduced, the rotation is stable, the machining surface of the bolt head can be adjusted, then the fixed clamping mechanism 4 is started again to fixedly clamp the bolt rod, the cutting work is carried out again, the situation that the cutting surface needs to be manually replaced is avoided, the working strength is reduced, and the working efficiency is improved.

[0031] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A locomotive bolt square-milling protection fixture comprising a base (1), characterized in that: The inside of the base (1) is provided with a motor mounting groove (101), the upper surface of the base (1) is provided with a fixed ring mounting groove (102), the inside of the fixed ring mounting groove (102) is provided with a rotary clamping mechanism (2), the inside of the motor mounting groove (101) is provided with a driving mechanism (3), and the upper surface of the base (1) is provided with two groups of fixed clamping mechanisms (4).

2. The fixture of claim 1, wherein: The inner surface of the fixed ring mounting groove (102) is provided with an annular groove (10201).

3. The fixture of claim 1, wherein: The rotary clamping mechanism (2) comprises a fixed ring body (201), a mounting sleeve ring (202), a roller (203) and a gear ring (204), the fixed ring body (201) is rotationally connected to the inside of the fixed ring mounting groove (102), the outer surface of the fixed ring body (201) is fixedly provided with the mounting sleeve ring (202), the inner wall of the mounting sleeve ring (202) is rotationally connected with a plurality of rollers (203), the rollers (203) abut the annular groove (10201), and the upper surface of the fixed ring body (201) is fixedly provided with the gear ring (204).

4. The fixture of claim 3, wherein: The rotary clamping mechanism (2) further comprises a first cylinder (205) and a first clamping block (206), the inner surface of the fixed ring body (201) is provided with two groups of first cylinders (205), and the output end of the first cylinder (205) is provided with the first clamping block (206).

5. The fixture of claim 1, wherein: The driving mechanism (3) comprises a motor (301), a driving rod (302) and a gear (303), the inside of the motor mounting groove (101) is provided with the motor (301), the output end of the motor (301) is provided with the driving rod (302), the driving rod (302) extends to the outer surface of the base (1), the output end of the driving rod (302) is provided with the gear (303), and the gear (303) is meshedly connected with the gear ring (204).

6. The fixture of claim 1, wherein: The fixed clamping mechanism (4) comprises a vertical plate (401), a second cylinder (402), a second clamping block (403) and an anti-skid stripe (404), the upper surface of the base (1) is fixedly provided with the vertical plate (401), one side of the vertical plate (401) is provided with the second cylinder (402), the output end of the second cylinder (402) is provided with the second clamping block (403), and the inner surface of the second clamping block (403) is provided with the anti-skid stripe (404).

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