CN213136504U

CN213136504U - Multifunctional positioning clamp

Info

Publication number: CN213136504U
Application number: CN202022030588.9U
Authority: CN
Inventors: 钱鹏
Original assignee: Suzhou Rongjingsheng Machinery Manufacturing Co ltd
Current assignee: Suzhou Rongjingsheng Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to a multi-functional positioning fixture, use in special-shaped spare part anchor clamps technical field, the problem that positioning fixture can not be applicable to the special-shaped spare part that the structure changes is solved, which comprises a substrate, the one end of base plate is provided with a plurality of bracing piece and a plurality of bracing piece is annular setting, the annular central point that a plurality of bracing piece encloses is provided with the positioning screw, the vertical threaded connection of positioning screw is on the base plate, sliding fit has a stopper on the positioning screw, the threaded fit has fixation nut on the positioning screw, be provided with the guide post vertically along its circumferential direction on the stopper, the bottom threaded connection of guide post is on the base plate, the top of guide post is provided with spacing end cover, the quantity of guide post is three at least, the cover is equipped with the spring on at least two guide posts, the one end of spring is contradicted in the bottom of stopper; the special-shaped part fixing device has the advantages that the limiting blocks can be replaced, and the special-shaped part fixing device is suitable for special-shaped parts of different structures.

Description

Multifunctional positioning clamp

Technical Field

The utility model relates to a spare part anchor clamps technical field especially relates to a multi-functional positioning fixture that uses.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The existing parts are various in types and shapes, so that the types of clamps for clamping special-shaped parts are increased, but the existing positioning clamp for the special-shaped parts can only be used for the same special-shaped part, when one structure of the special-shaped parts is changed, the existing positioning clamp cannot be applied to the special-shaped parts with the changed structure, a new positioning clamp needs to be replaced, the existing positioning clamp is placed, and the waste of the existing resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-functional positioning fixture that uses has solved positioning fixture and can not be applicable to the dysmorphism spare part that the structure changed, causes the problem of current wasting of resources.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a multifunctional positioning fixture, which comprises a substrate, wherein one end of the substrate is provided with a plurality of supporting rods and the supporting rods are arranged in an annular shape, the annular central position surrounded by the supporting rods is provided with a positioning screw rod, the positioning screw rod is vertically screwed on the substrate, the positioning screw rod is provided with a limiting block in a sliding fit way, the positioning screw rod is provided with a fixing nut in a threaded fit way, the fixing nut is arranged above the limiting block, the limiting block is vertically provided with a guide post along the circumferential direction of the limiting block, the bottom end of the guide post is screwed on the substrate, the top end of the guide post is provided with a limiting end cover, the number of the guide posts is at least three, the limiting block longitudinally slides along the guide post, wherein, at least two guide posts are sleeved with springs, one end of each spring is butted against the bottom end of the limiting block, the other end of the spring is abutted against the substrate.

Furthermore, the other end of the base plate is provided with a first vertical plate, a second vertical plate and a connecting plate, the first vertical plate and the second vertical plate are vertically arranged on the base plate, the connecting plate is horizontally arranged at the top ends of the first vertical plate and the second vertical plate, two ends of the connecting plate are respectively connected with the top ends of the first vertical plate and the second vertical plate through bolts, push rods used for pushing parts are arranged on two sides of the bottom end of the connecting plate, and the push rods can be adjusted.

Further, the bottom of push rod is provided with the rubber pad.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a multi-functional positioning fixture that uses, through the bracing piece that sets up on the base plate, positioning screw, the stopper and the guide post of setting on the stopper of cover on positioning screw are established, place back on positioning fixture when special-shaped spare part, play the effect of support to special-shaped spare part through bracing piece and stopper, the cover is established and is pushed away the stopper at the spring of guide post top, can be in the same place the inseparable card of recess of stopper and special-shaped spare part bottom this moment, when the recess shape of special-shaped spare part bottom changes, also can dismantle the stopper, change and special-shaped spare part recess shape assorted stopper, make positioning fixture be applicable to different kinds of special-shaped spare part, and then improve positioning fixture's application scope.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of the overall structure in the embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a substrate; 2. a support bar; 3. positioning a screw rod; 4. a limiting block; 5. fixing a nut; 6. a guide post; 7. a limiting end cover; 8. a spring; 9. a first vertical plate; 10. a second vertical plate; 11. a connecting plate; 12. a push rod; 13. and (7) a rubber pad.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the utility model provides a multifunctional positioning fixture, which comprises a base plate 1, one end of the base plate 1 is provided with a plurality of support rods 2, the plurality of support rods 2 are arranged in a ring shape, the support rods 2 are used for supporting special-shaped parts, a positioning screw rod 3 is arranged at the center position of the ring enclosed by the plurality of support rods 2, the positioning screw rod 3 plays a role of guiding, the positioning screw rod 3 is vertically screwed on the base plate 1, the installation and the disassembly of the positioning screw rod 3 are convenient through screw connection, a limiting block 4 is matched on the positioning screw rod 3 in a sliding way, the limiting block 4 is used for supporting the special-shaped parts, a fixing nut 5 is matched on the positioning screw rod 3 in a screw way, the fixing nut 5 is arranged above the limiting block 4, when the special-shaped parts are installed on the positioning fixture, the special-shaped parts are fastened in the positioning fixture through the fixing nut 5, a guiding column 6 is, the limiting block 4 can longitudinally slide along the guide post 6, and the guide post 6 plays a guiding role to prevent the limiting block 4 from deflecting when longitudinally sliding along the positioning screw rod 3; the bottom threaded connection of guide post 6 is on base plate 1, install guide post 6 on base plate 1 through threaded connection is convenient, and also convenient dismantle stopper 4 from guide post 6 get off, be provided with spacing end cover 7 on the top of guide post 6, inject stopper 4 through spacing end cover 7 along the distance of 6 longitudinal movement of guide post, prevent that stopper 4 from breaking away from guide post 6, the quantity of guide post 6 is three at least, wherein the cover is equipped with spring 8 on two at least guide posts 6, spring 8's one end is contradicted in the bottom of stopper 4, spring 8's the other end is contradicted on base plate 1.

Referring to fig. 1, when a positioning fixture is used to position and clamp a special-shaped part, first, the positioning screw 3 is detached, the special-shaped part is placed on the substrate 1, the bottom end of the special-shaped part is abutted against the support rod 2 at a position corresponding to the support rod 2, the special-shaped part is firmly and stably installed in the positioning fixture through the support rod 2, a groove matched with the shape of the limit block 4 is formed at the bottom end of the special-shaped part, the groove at the bottom end of the special-shaped part is clamped with the limit block 4, at this time, the special-shaped part is supported through the limit block 4, when the groove at the bottom end of the special-shaped part is not tightly clamped with the limit block 4, the limit block 4 is pushed by the spring 8 sleeved on the guide post 6, so that the limit block 4 is tightly clamped with the groove at the bottom end of the, the limiting block 4 can be clamped with a groove at the bottom end of the special-shaped part all the time, the positioning screw 3 is connected to the substrate 1 in a threaded mode, and the special-shaped part is fastened through the fixing nut 5 connected to the positioning screw 3 in a threaded mode.

Further, refer to fig. 1, when the shape of the recess of dysmorphism spare part bottom that needs to process changes, need to change this moment with dysmorphism spare part bottom recess shape assorted stopper 4, because positioning screw 3 and guide bar 6 threaded connection are on base plate 1, the convenience is with positioning screw 3 this moment, guide bar 6 and the stopper 4 of the cover simultaneously on positioning screw 3 and guide bar 6 are dismantled, and then make things convenient for the workman to change with dysmorphism spare part bottom recess shape assorted stopper 4, and positioning fixture only need change stopper 4 and just can realize the location and the clamping to the dysmorphism spare part of different shapes, and then reduce the waste of current positioning fixture resource, and save cost, and improve positioning fixture's application scope.

Further, referring to fig. 1, in order to make the special-shaped component more firm and stable during a processing test, a first vertical plate 9, a second vertical plate 10 and a connecting plate 11 are arranged at the other end of the base plate 1, the first vertical plate 9 and the second vertical plate 10 are vertically arranged on the base plate 1, and the first vertical plate 9 and the second vertical plate 10 are used for limiting two sides of the special-shaped component to prevent the special-shaped component from moving between the first vertical plate 9 and the second vertical plate 10; connecting plate 11 level sets up the top at first riser 9 and second riser 10, bolted connection is passed through with the top of first riser 9 and second riser 10 respectively at the both ends of connecting plate 11, the bottom both sides of connecting plate 11 all are provided with the push rod 12 that is used for pushing away spare part, the adjustable setting of push rod 12, when the bottom of push rod 12 does not contradict with the top terminal surface of special-shaped part, make push rod 12 remove to the direction of base plate 1 through adjusting push rod 12, when the top of special-shaped part is higher than the bottom of push rod 12, can upwards adjust push rod 12, realize spacing along the ascending of the direction of height of first riser 9 to special-shaped part through push rod 12, and be provided with rubber pad 13 in the bottom of push rod 12, rubber pad 13 plays the effect of protection, damage special-shaped part top surface when preventing push rod 12 from fastening special-shaped part.

The utility model discloses an implement the principle: when using positioning fixture to fix a position the clamping to dysmorphism spare part, at first dismantle positioning screw 3 get off, place dysmorphism spare part on base plate 1, dysmorphism spare part bottom is contradicted on bracing piece 2 with the corresponding position of bracing piece 2, under the effect of spring 4 elastic force, stopper 4 can be in the same place with the groove card of dysmorphism spare part bottom all the time, afterwards with 3 threaded connection of positioning screw on base plate 1, rethread threaded connection is at the fixing nut 5 of positioning screw 3 with the dysmorphism spare part fastening. First riser 9 on the base plate 1, second riser 10 are spacing to the both sides of dysmorphism part, prevent the removal of dysmorphism part between first riser 9 and second riser 10, adjust push rod 12 and make push rod 12 remove to the direction of base plate 1, make the bottom of push rod 12 contradict with the top terminal surface of dysmorphism part, rubber pad 13 plays the effect of protection, damage dysmorphism spare part top surface when preventing push rod 12 from fastening dysmorphism spare part.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A multifunctional positioning clamp is characterized by comprising a base plate, wherein one end of the base plate is provided with a plurality of supporting rods, the supporting rods are annularly arranged, a positioning screw rod is arranged at the center of the ring formed by the supporting rods, the positioning screw rod is vertically and threadedly connected to the base plate, a limiting block is slidably matched on the positioning screw rod, fixing nuts are threadedly matched on the positioning screw rod and are arranged above a limiting block, guide posts are vertically arranged on the limiting block along the circumferential direction of the limiting block, the bottom ends of the guide posts are threadedly connected to the base plate, limiting end covers are arranged at the top ends of the guide posts, the number of the guide posts is at least three, the limiting block longitudinally slides along the guide posts, springs are sleeved on at least two guide posts, one end of each spring abuts against the bottom end of the limiting block, the other end of the spring is abutted against the substrate.

2. The multifunctional positioning fixture as claimed in claim 1, wherein a first vertical plate, a second vertical plate and a connecting plate are disposed at the other end of the base plate, the first vertical plate and the second vertical plate are vertically disposed on the base plate, the connecting plate is horizontally disposed at the top ends of the first vertical plate and the second vertical plate, two ends of the connecting plate are respectively connected with the top ends of the first vertical plate and the second vertical plate through bolts, push rods for pushing parts are disposed at two sides of the bottom end of the connecting plate, and the push rods are adjustably disposed.

3. The multi-functional positioning fixture of claim 2, wherein the bottom end of the push rod is provided with a rubber pad.