CN211414434U

CN211414434U - Mechanical fixture for columnar parts

Info

Publication number: CN211414434U
Application number: CN202020015828.5U
Authority: CN
Inventors: 王莹
Original assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Current assignee: Liaoning Equipment Manufacturing Vocational And Technical College
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-09-04
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to the technical field of machining, in particular to a mechanical clamp for columnar parts, which comprises a device shell and a second clamping plate, wherein a fixed plate is arranged inside the device shell, the upper end surface and the lower end surface of the fixed plate are fixedly connected with the device shell, the right side of the fixed plate is rotatably connected with a first screw rod, the right side of the first screw rod is fixedly connected with a handle, the outer side of the first screw rod is spirally connected with a fixed block, a support frame is fixedly connected above the fixed block, the top of the support frame is fixedly connected with a limit box, and a limit spring is arranged inside the limit box; the utility model discloses in, through spacing spring, roof, mount and the first splint that set up, can be when the column part length of cliping is very big, first splint can be fixed the column part of overlength to convenient processing, mount, roof and spacing spring can adjust the required diameter of fixed part, and spacing spring can restrict the removal of first splint, makes fixedly more stable.

Description

Mechanical fixture for columnar parts

Technical Field

The utility model relates to a machining technical field specifically is a column is mechanical fixture for part.

Background

The clamping device of part is at mill everywhere visible greatly little, and today in the rapid development of present society science and technology, the mill is more and more, and the quality requirement to the part processing is also higher and higher, and anchor clamps are the universal tool who is used for the centre gripping part for thereby the fixed part conveniently processes the part, and anchor clamps are one of the essential instrument of big or small mill, consequently, the demand of a mechanical fixture for column part increases day by day.

Most of clamps existing in the market are used for clamping a planar object, if a cylindrical part is clamped, the local stress of the part is uneven when the cylindrical part is clamped by a planar clamping plate, so that the part is locally damaged, the clamping plate is simply designed to be arc-shaped, the cylindrical parts with various diameters cannot be clamped, when the clamp clamps longer parts, the upper parts of the longer parts cannot be fixed, and the parts are easy to shake during machining, so that the machining fails, and therefore the mechanical clamp for the cylindrical parts is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a column is mechanical fixture for part 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:

a mechanical clamp for columnar parts comprises a device shell and a second clamp plate, wherein a fixed plate is fixedly connected inside the device shell, the right side of the fixed plate is rotatably connected with a first screw rod, a handle is fixedly connected to the right side of the first screw rod, a fixed block is spirally connected to the outer side of the first screw rod, a support frame is fixedly connected above the fixed block, a limiting box is fixedly connected to the top of the support frame, a limiting spring is arranged inside the limiting box, one end of the limiting spring is fixedly connected with the limiting box, the other end of the limiting spring is fixedly connected with a top plate, a fixed frame is fixedly connected to the left end face of the top plate on the right side, a first clamp plate is fixedly connected to the left end face of the fixed frame on the right side, a support rod is rotatably connected to the left end face of, and the right end face of the fixed rod on the right side is fixedly connected with the support frame, rotating balls distributed around the fixed rod are arranged inside the fixed rod, and a second clamping plate is fixedly connected to the left end face of the support rod on the right side.

Preferably, the left end face of the first clamping plate on the right side is in an arc shape, and the left end face of the first clamping plate on the right side is fixedly connected with a rubber pad.

Preferably, the number of the limiting springs is 2, and the limiting springs are distributed in a bilateral symmetry manner.

Preferably, the inside sliding connection of second splint has the inner splint, is located the front side the terminal surface all rotates before the inner splint and is connected with the second hob, and the second hob outside all with second splint screwed connection, be located the front side the equal fixedly connected with first in command of terminal surface before the second hob.

Preferably, be located the front side the equal fixedly connected with third hob of terminal surface before changeing the ball, and the third hob outside all with bracing piece screwed connection, the equal fixedly connected with second handle in the third hob outside, the equal screwed connection in the third hob outside has the nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the limiting spring, the top plate, the fixing frame and the first clamping plate, when the length of the clamped columnar part is larger, the first clamping plate can fix the longer columnar part, so that the part is more stable in the processing process, the distance between the two first clamping plates can be adjusted through the fixing frame, the top plate and the limiting spring, the first clamping plate can also be fixed when the diameter of the part is larger, the limiting spring plays a certain limiting role for the first clamping plate, so that the fixation of the first clamping plate is more stable;

2. in the utility model, the second handle can be rotated to rotate the third screw rod through the arranged fixed rod, the rotating ball, the supporting rod, the third screw rod, the nut and the second handle, so that the supporting rod moves on the third screw rod, and the supporting rod is rotationally connected with the supporting frame, the third screw rod is fixedly connected with the rotating ball, the rotating ball can freely rotate in the fixed rod, so the supporting rod rotates, thereby the second splint is separated, the clamping of columnar parts with different diameters is realized, the application range of the clamp is enlarged, the screwing nut can play a limiting role for the second splint, the self-movement of the second splint is prevented, the arranged inner splint, the second screw rod and the first handle can make the second screw rod and the inner splint move back and forth in the second splint by rotating the first handle, thereby the fixing of the inner splint to the columnar parts with smaller diameter is realized, further enlarging the application range of the clamp.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the inner clamping plate structure of the present invention;

fig. 3 is a schematic view of the structure of the rotary ball of the present invention.

In the figure: 1-device shell, 2-fixing plate, 3-first screw rod, 4-handle, 5-fixing block, 6-support frame, 7-limit box, 8-limit spring, 9-top plate, 10-fixing frame, 11-first clamping plate, 12-rubber pad, 13-support rod, 14-second clamping plate, 15-first handle, 16-second screw rod, 17-third screw rod, 18-second handle, 19-fixing rod, 20-inner clamping plate, 21-rotating ball and 22-nut.

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:

a mechanical clamp for columnar parts comprises a device shell 1 and a second clamping plate 14, wherein a fixed plate 2 is fixedly connected inside the device shell 1, a first screw rod 3 is rotatably connected to the right side of the fixed plate 2, a handle 4 is fixedly connected to the right side of the first screw rod 3, a fixed block 5 is spirally connected to the outer side of the first screw rod 3, a support frame 6 is fixedly connected above the fixed block 5, the arrangement can simply and conveniently fix the processed parts, the mechanical clamp has good practical value, a limit box 7 is fixedly connected to the top of the support frame 6, a limit spring 8 is arranged inside the limit box 7, one end of the limit spring 8 is fixedly connected with the limit box 7, the other end of the limit spring 8 is fixedly connected with a top plate 9, a fixed frame 10 is fixedly connected to the left end face of the top plate 9 positioned on the right side, and a first clamping plate 11 is fixedly connected, this kind of setting can be when the part of required centre gripping is longer, can carry out relatively stable fixed to the part, makes the quality of processing part higher, is located the right side 6 left end face of support frame rotates and is connected with bracing piece 13, is located the front side 13 rear side of bracing piece all is equipped with dead lever 19, and is located the dead lever 19 right-hand member face and 6 fixed connection of support frame on right side the inside ball 21 that changes that all distributes around all being equipped with of dead lever 19 is located the right side the equal fixedly connected with second splint 14 of 13 left end faces of bracing piece, this kind of be provided with and be favorable to carrying out the centre gripping to the column part, circular-arc second splint 14 that sets up is comparatively even to the atress of part when the centre gripping.

The left end face of the first clamping plate 11 positioned on the right side is in an arc-shaped arrangement, the left end face of the first clamping plate 11 positioned on the right side is fixedly connected with a rubber pad 12, the arrangement is favorable for fixing a longer columnar part, the part is uniformly stressed during fixing, so that the part is not damaged, the rubber pad 12 can ensure that the fixed columnar part cannot slide up and down to influence processing, the number of the limiting springs 8 is 2, the limiting springs 8 are symmetrically distributed in the left and right direction, when the longer columnar part is fixed, the limiting springs 8 can limit the movement of the first clamping plate 11, so that the part is fixed more stably, the inner clamping plate 20 is slidably connected inside the second clamping plate 14, the front end face of the inner clamping plate 20 positioned on the front side is fixedly connected with a second spiral rod 16, and the outer side of the second spiral rod 16 is spirally connected with the second clamping plate 14, the front end surface of the second screw bar 16 positioned at the front side is fixedly connected with a first handle 15, and the arrangement can make the second screw bar 16 and the inner clamping plate 20 move straightly by rotating the first handle 15, thereby realizing the fixation of the second clamping plate 14 to the columnar parts with smaller diameter, the front end surfaces of the rotating balls 21 positioned at the front side are fixedly connected with third screw rods 17, the outer sides of the third screw rods 17 are spirally connected with the support rod 13, the outer sides of the third screw rods 17 are fixedly connected with second handles 18, the outer sides of the third screw rods 17 are spirally connected with nuts 22, this arrangement allows the second jaws 14 to be moved apart from each other by rotating the second handle 18 to move the support bar 13 on the third screw bar 17, the cylindrical parts with different diameters can be well fixed, and the clamped parts can be fixed again by the nuts 22 so as to prevent the second clamping plate 14 from loosening.

The working process is as follows: when a columnar part is clamped, the part is placed in the middle of the second clamping plate 14, the rotating handle 4 drives the first screw rod 3 to rotate, the fixed block 5 is connected with the first screw rod 3 in a spiral manner, so the fixed block 5 can move left and right on the first screw rod 3, the support frame 6 can also move along with the fixed block, and the clamping of the part by the second clamping plate 14 is completed, the clamping of the part can be simple and convenient by the arrangement, the practical value is good, when the diameter of the part to be clamped is large, the second handle 18 is rotated to drive the third screw rod 17 to rotate, the support rod 13 is connected with the support frame 6 in a rotating manner, the outer side of the third screw rod 17 is connected with the support frame 6 in a spiral manner, the third screw rod 17 is fixedly connected with the rotating ball 21 arranged in the fixed rod 19, so that the rotation of the support rod 13 can be completed to separate the second clamping plate 14 from each other, and the arrangement can clamp, make the application scope of anchor clamps bigger, after the part has been held, carry on spacingly to the second splint through screwing up nut 22, prevent not hard up of second splint 14, when the column part diameter that needs the centre gripping is too little, it makes and drives second hob 16 and rotate to rotate first leader 15, because second hob 16 outside and second splint 14 screwed connection, and 16 one end of second hob and first leader 15 fixed connection, the other end and interior splint 20 fixed connection, interior splint 20 slides inside second splint 14, interior splint 20 outwards slides to receive stopping of second splint 14 at the same time with the level of second splint 14 terminal surface, interior splint 20 stops when inwards sliding first leader 15 and second splint 14 contact, the centre gripping of anchor clamps to less part can be realized to this kind of setting, thereby further expand the application scope of anchor clamps.

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 mechanical fixture for columnar part, includes device shell (1) and roof (9), its characterized in that: a fixed plate (2) is fixedly connected in the device shell (1), a first screw rod (3) is rotatably connected on the right side of the fixed plate (2), a handle (4) is fixedly connected to the right side of the first screw rod (3), a fixing block (5) is spirally connected to the outer side of the first screw rod (3), a supporting frame (6) is fixedly connected above the fixed block (5), a limiting box (7) is fixedly connected at the top of the supporting frame (6), a limiting spring (8) is arranged inside the limiting box (7), and spacing spring (8) one end and spacing case (7) fixed connection, spacing spring (8) other end and roof (9) fixed connection are located the right side roof (9) left end face fixedly connected with mount (10), are located the right side mount (10) left end face fixedly connected with first splint (11).

2. The mechanical jig for columnar parts as claimed in claim 1, wherein: be located the right side support frame (6) left end face rotates and is connected with bracing piece (13), is located the front side bracing piece (13) rear side all is equipped with dead lever (19), and is located dead lever (19) right-hand member face and support frame (6) fixed connection on right side, dead lever (19) inside all is equipped with ball (21) of changeing that distribute around, is located the right side bracing piece (13) equal fixedly connected with second splint (14) of left end face.

3. The mechanical jig for columnar parts as claimed in claim 2, wherein: the left end face of the first clamping plate (11) on the right side is arranged in an arc shape, and a rubber pad (12) is fixedly connected to the left end face of the first clamping plate (11) on the right side.

4. The mechanical jig for columnar parts as set forth in claim 3, wherein: the number of the limiting springs (8) is 2, and the limiting springs (8) are distributed in a bilateral symmetry mode.

5. The mechanical jig for columnar parts as set forth in claim 4, wherein: inside sliding connection of second splint (14) has interior splint (20), is located the front side the terminal surface all rotates before interior splint (20) and is connected with second hob (16), and second hob (16) outside all with second splint (14) threaded connection, is located the front side the equal fixedly connected with first in command (15) of terminal surface before second hob (16).

6. The mechanical jig for columnar parts as set forth in claim 5, wherein: be located the front side change ball (21) preceding terminal surface equal fixedly connected with third hob (17), and third hob (17) outside all with bracing piece (13) threaded connection, the equal fixedly connected with second handle (18) in third hob (17) outside, the equal threaded connection in third hob (17) outside has nut (22).