CN212735096U

CN212735096U - Milling machine tool fixture

Info

Publication number: CN212735096U
Application number: CN202021627982.4U
Authority: CN
Inventors: 邓挺; 刘军科; 杨飞
Original assignee: Establishment of Aviation Co Ltd
Current assignee: Establishment of Aviation Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-19
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a milling machine frock clamp, the on-line screen storage device comprises a base, base top fixedly connected with anchor clamps, the slot has been seted up at anchor clamps top middle part, both sides are inserted respectively around the slot and are equipped with preceding clamp plate and back clamp plate, the spacing clamping bar of screw fixedly connected with is passed through to the anchor clamps rear end left and right sides, the left and right sides of anchor clamps front end all has the arm lock through round pin axle movable mounting, the jack runs through the screw thread and inserts and be equipped with spacing inserted bar, spacing inserted bar top is equipped with the nut, and spacing inserted bar upper portion cover is equipped with the. This kind of milling machine frock clamp is through inserting special-shaped workpiece rather than anastomotic slot in to press from both sides tightly its front and back end with back clamp plate before adopting, only need stir the arm lock when pressing from both sides tightly, press the nut and twist and move the clamp of the front and back end that the work piece can be accomplished to the nut, higher with the goodness of fit of anchor clamps, need not the alignment and can promote special-shaped workpiece's processing fineness, easy operation is convenient.

Description

Milling machine tool fixture

Technical Field

The utility model relates to the technical field of machinery, specifically be a milling machine frock clamp.

Background

The special-shaped part is inconvenient to clamp and position when being milled, generally needs to be aligned before clamping and fixing in order to guarantee the accuracy of processing, is extremely inconvenient to process, can not accurately guarantee the size of the part even if being primarily aligned, is complex to operate, and brings troubles for processing the part. Therefore, a milling machine tool clamp is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling machine frock clamp to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling machine frock clamp, includes the base, base top fixedly connected with anchor clamps, anchor clamps top fixedly connected with roof, the notch has been seted up at the roof middle part, slot has been seted up at anchor clamps top middle part, slot inner chamber bottom is equipped with the collet, both sides are inserted respectively around the slot and are equipped with preceding clamp plate and back clamp plate, the spacing clamping bar of screw fixedly connected with is passed through to the anchor clamps rear end left and right sides, the left and right sides of anchor clamps front end all has the arm lock through round pin axle movable mounting, the arm lock bottom outside is equipped with the briquetting, the arm lock is close to one side of round pin axle and has seted up the jack, the jack runs through the screw thread and inserts and is equipped with spacing inserted bar, spacing inserted bar top is equipped with the nut.

Preferably, the notch is communicated with the top end of the slot, and the slot penetrates through the front end and the rear end of the clamp from front to back.

Preferably, the front pressing plate and the rear pressing plate are symmetrically arranged, the shapes and the sizes of the front pressing plate and the rear pressing plate are the same, and the front pressing plate and the rear pressing plate are both located on the upper side of the bottom support.

Preferably, the inner end of the limiting clamping rod is attached to the outer side wall of the rear pressing plate.

Preferably, the spring is located between the nut and the front side wall of the clamp, and the rear end of the spring is fixedly connected with the front side wall of the clamp.

Preferably, the pressing block is an elastic rubber pressing block, and the thickness of the pressing block is greater than or equal to the length of the short rod of the clamping arm.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of milling machine frock clamp is through inserting special-shaped workpiece rather than anastomotic slot in to press from both sides tightly its front and back end with back clamp plate before adopting, only need stir the arm lock when pressing from both sides tightly, press the nut and twist and move the clamp of the front and back end that the work piece can be accomplished to the nut, higher with the goodness of fit of anchor clamps, need not the alignment and can promote special-shaped workpiece's processing fineness, easy operation is convenient.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

fig. 3 is a cross-sectional view of the clamping arm of the present invention.

In the figure: the device comprises a base 1, a clamp 2, a slot 21, a bottom support 22, a top plate 3, a notch 31, a rear pressure plate 4, a clamping arm 5, a jack 51, a pin shaft 52, a pressing block 53, a limiting inserted rod 54, a nut 55, a spring 56, a limiting clamping rod 6 and a front pressure plate 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a milling machine frock clamp, includes base 1, 1 top fixedly connected with anchor clamps 2 of base, 2 top fixedly connected with roofs 3 of anchor clamps, notch 31 has been seted up at 3 middle parts of roof, slot 21 has been seted up at 2 top middle parts of anchor clamps, notch 31 and slot 21 top intercommunication, the front and back end that runs through anchor clamps 2 around the slot 21 is in the past with special-shaped workpiece insert slot 21 in, and the appearance that slot 21 seted up with special-shaped workpiece is the same. The special-shaped workpiece mounting device is characterized in that a bottom support 22 is arranged at the bottom end of an inner cavity of the slot 21, the top surface of the bottom support 22 is the same as the bottom surface of a special-shaped workpiece, the fitting degree of the special-shaped workpiece can be guaranteed, a front pressing plate 7 and a rear pressing plate 4 are respectively inserted into the front side and the rear side of the slot 21, the front pressing plate 7 and the rear pressing plate 4 are symmetrically arranged, the front pressing plate 7 and the rear pressing plate 4 are identical in shape and size, the front pressing plate 7 and the rear pressing plate 4 are both located on the upper side of the bottom support 22, and the front pressing. The left side and the right side of the rear end of the clamp 2 are fixedly connected with limiting clamping rods 6 through screws, the inner ends of the limiting clamping rods 6 are attached to the outer side wall of the rear pressing plate 4, and the limiting clamping rods 6 are used for limiting the position of the rear pressing plate 4. The left and right sides of 2 front ends of anchor clamps all have arm lock 5 through round pin axle 52 movable mounting, 5 bottom outsides of arm lock are equipped with briquetting 53, briquetting 53 is the elastic rubber briquetting, briquetting 53's thickness more than or equal to arm lock 5 short-rod length, briquetting 53 can laminate preceding clamp plate 7 when arm lock 5 rotates to preceding clamp plate 7 outer end. Jack 51 has been seted up to one side of arm lock 5 near round pin axle 52, jack 51 runs through the screw thread and inserts and be equipped with spacing inserted bar 54, spacing inserted bar 54 top is equipped with nut 55, and spacing inserted bar 54 upper portion cover is equipped with spring 56, spring 56 is located between nut 55 and the preceding lateral wall of anchor clamps 2, and the rear end of spring 56 and the preceding lateral wall fixed connection of anchor clamps 2. The upper portion of the outer side wall of the limiting insertion rod 54 is provided with threads, the lower portion of the outer side wall of the limiting insertion rod 54 is a smooth rod body, and when the limiting insertion rod 54 is slightly screwed to the insertion hole 51 in the thread section diagram during disassembly, the limiting insertion rod 54 can be bounced under the action of restoring elasticity of the spring 56, and the clamping arm 5 can be freely rotated.

The working principle is as follows: during assembly, a special-shaped workpiece is inserted into the slot 21 from front to back, the rear end of the special-shaped workpiece is abutted against the rear pressing plate 4, the front pressing plate 7 at the front end is inserted into the front end of the slot 21, the two clamping arms 5 are rotated, the end parts of the clamping arms correspond to the left side and the right side of the front pressing plate 7, the threads of the limiting insertion rods 54 to the limiting insertion rods 54 are pressed to be in contact with the insertion holes 51, the nuts 55 are screwed to enable the limiting insertion rods 54 to be screwed into the insertion holes 51 until the bottom ends of the limiting insertion rods 54 abut against the front end face of the clamp 2, the springs 56 are compressed at the moment, the long plates of the clamping arms 5 are pressed through the elastic force compressed by the springs 56, the pressing blocks 53 are tightly attached to the outer end of the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling machine frock clamp, includes base (1), its characterized in that: the clamp is characterized in that a clamp (2) is fixedly connected to the top end of the base (1), a top plate (3) is fixedly connected to the top end of the clamp (2), a notch (31) is formed in the middle of the top plate (3), a slot (21) is formed in the middle of the top end of the clamp (2), a bottom support (22) is arranged at the bottom end of an inner cavity of the slot (21), a front pressing plate (7) and a rear pressing plate (4) are respectively inserted into the front side and the rear side of the slot (21), limiting clamping rods (6) are fixedly connected to the left side and the right side of the rear end of the clamp (2) through screws, clamping arms (5) are movably mounted on the left side and the right side of the front end of the clamp (2) through pin shafts (52), pressing blocks (53) are arranged on the outer side of the bottom end of each clamping arm (5, the top end of the limiting insert rod (54) is provided with a nut (55), a spring (56) is sleeved on the upper portion of the limiting insert rod (54), and threads are arranged on the upper portion of the outer side wall of the limiting insert rod (54).

2. A milling machine tool clamp according to claim 1, characterized in that: the notch (31) is communicated with the top end of the slot (21), and the slot (21) penetrates through the front end and the rear end of the clamp (2) from front to back.

3. A milling machine tool clamp according to claim 1, characterized in that: the front pressing plate (7) and the rear pressing plate (4) are symmetrically arranged, the front pressing plate (7) and the rear pressing plate (4) are identical in shape and size, and the front pressing plate (7) and the rear pressing plate (4) are located on the upper side of the bottom support (22).

4. A milling machine tool clamp according to claim 1, characterized in that: the inner end of the limiting clamping rod (6) is attached to the outer side wall of the rear pressing plate (4).

5. A milling machine tool clamp according to claim 1, characterized in that: the spring (56) is positioned between the nut (55) and the front side wall of the clamp (2), and the rear end of the spring (56) is fixedly connected with the front side wall of the clamp (2).

6. A milling machine tool clamp according to claim 1, characterized in that: the pressing block (53) is an elastic rubber pressing block, and the thickness of the pressing block (53) is larger than or equal to the length of the short rod of the clamping arm (5).