CN223301586U - Adjustable auxiliary fixture for assembly work - Google Patents

Abstract

The utility model discloses an adjustable auxiliary fixture for assembly work, which comprises a bottom plate and a limiting mechanism, wherein the upper surface of the bottom plate is respectively provided with a positioning plate capable of moving left and right, the upper ends of the positioning plates are respectively provided with positioning grooves, the opposite inner side walls of the two positioning grooves are of an opening structure, the limiting mechanism comprises rotating grooves, rotating columns, limiting rotating plates and torsion springs, the rotating grooves are respectively arranged at the upper ends of the inner side walls of the positioning grooves, the limiting rotating plates are respectively connected with the inner parts of the rotating grooves through the rotating columns in a rotating mode, torsion springs are movably sleeved at the end heads of the outer cambered surfaces of the rotating columns, one ends of the torsion springs, which are far away from the limiting rotating plates, are fixedly connected with the inner walls of the rotating grooves.

Description

Adjustable auxiliary fixture for assembly work

Technical Field

The utility model relates to the technical field of auxiliary clamps, in particular to an adjustable auxiliary clamp for assembly work.

Background

The auxiliary clamps are devices for fixing processing objects or automobile parts in the process of mechanical manufacture and automobile maintenance, ‌ are used for ensuring the processing objects or automobile parts to be in the correct positions, the clamps achieve the functions through various elements, such as ‌, a positioning element, a ‌ clamping device, a ‌ tool setting guide element, a ‌ indexing device and the like, ‌ are designed for installing workpieces or parts quickly, ‌ conveniently and ‌ safely, ‌ ensures the smooth processing or maintenance work, the auxiliary clamps are required to be used for determining the positions of the assembled workpieces for the smooth processing of the assembly work, the auxiliary clamps are required to be used for determining the positions of the assembled workpieces in the prior art when the auxiliary clamps are used, the positions of the assembled workpieces are required to be limited by the positioning grooves of the positioning clamps, and then the positions of the assembled workpieces are determined, but the size of the positioning grooves of part of the auxiliary clamps are fixed, and the positions of the assembled workpieces with single size can only be limited, so that the applicable range is small.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides an adjustable auxiliary fixture for assembly work, which can be adjusted according to different lengths of assembly workpieces, improves the application range of the auxiliary fixture for assembly work, automatically and accurately limits the assembly workpieces with different widths, reduces the time required by using the auxiliary fixture for assembly work, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model provides the following technical scheme that the adjustable auxiliary fixture for assembly work comprises a bottom plate and a limiting mechanism;

the upper surface of the bottom plate is respectively provided with a positioning plate capable of moving left and right, the upper ends of the positioning plates are respectively provided with positioning grooves, and the opposite inner side walls of the two positioning grooves are respectively of an opening structure;

The limiting mechanism comprises a rotary groove, a rotary column, a limiting rotary plate and a torsion spring, wherein the rotary groove is respectively arranged at the upper end of the inner side wall of the positioning groove, the limiting rotary plate is connected in the rotary groove through rotation of the rotary column, the torsion spring is movably sleeved at the end head of the outer arc surface of the rotary column, one end of the torsion spring, which is far away from the limiting rotary plate, is fixedly connected with the inner wall of the rotary groove, the other end of the torsion spring is respectively fixedly connected with the limiting rotary plate, the adjustment can be performed according to different lengths of assembled workpieces, the application range of the auxiliary fixture for assembly work is improved, the assembled workpieces with different widths are automatically and accurately limited, the time required for using the auxiliary fixture for assembly work is reduced, and the auxiliary fixture for assembly work is more convenient to use.

Further, stop gear still includes spacing deckle and electric putter, electric putter sets up respectively in the mounting hole of constant head tank diapire, all is equipped with spacing deckle between two electric putter flexible ends upper ends that are located same constant head tank, and spacing deckle and spacing commentaries on classics board cooperation installation, and the surface of bottom plate is equipped with the singlechip, and the input electricity of singlechip is connected with external power source, and electric putter's input electricity is connected in the output of singlechip, restricts the inclination of spacing commentaries on classics board.

Further, the limiting mechanism further comprises limiting plates, and the limiting plates are respectively arranged between the front inner wall and the rear inner wall of the positioning groove and limit the vertical position of the assembled workpiece.

Further, both ends all are equipped with the extension board about the upper surface of bottom plate, are equipped with the guide post respectively between two extension boards, and the guide horizontal sliding connection of guide post and locating plate surface provides the direction support for the removal of locating plate.

Further, still include adjusting screw, adjusting screw rotates to be connected between two extension boards, and the screw opposite direction of both ends about adjusting screw, the screw at locating plate middle part all with adjusting screw threaded connection, adjusting screw's left end is equipped with the hand wheel, adjusts the interval of two locating plates.

Furthermore, the upper surface of bottom plate is equipped with the scale plate, and scale plate and locating plate cooperation installation are convenient to confirm the interval of two locating plates.

Further, the lower surface of bottom plate is equipped with anti-skidding cushion, makes the whole device more stable at the placing of mesa.

Compared with the prior art, the adjustable auxiliary fixture for the assembly work has the beneficial effects that the adjustable auxiliary fixture for the assembly work has the following advantages:

According to the size of assembly work piece, adjust the interval of two locating plates, then place the assembly work piece between two constant head tanks inside, under the torsion effect of torsional spring, automatic spacing to the assembly work piece of different width, under the push of spacing frame plate, make spacing rotating plate more accurate to the spacing of assembly work piece, can adjust according to the difference of assembly work piece length, improve the application scope of assembly work auxiliary fixture, automatic accurate spacing is carried out to the assembly work piece of different width, reduce the required time of assembly work auxiliary fixture use, it is more convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view in cross section of the overall apparatus of the present utility model;

Fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure, a bottom plate 1, a positioning plate 2, a positioning groove 3, a limiting mechanism 4, a rotating groove 41, a rotating column 42, a limiting rotating plate 43, a torsion spring 44, a limiting frame plate 45, an electric push rod 46, a limiting plate 47, a supporting plate 5, a guiding column 6, an adjusting screw 7, a hand wheel 8, a single chip microcomputer 9, a scale plate 10 and an anti-skid rubber pad 11 are arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution, an adjustable auxiliary fixture for assembly work, comprising a base plate 1 and a limiting mechanism 4;

The base plate 1: the upper surface of the positioning plate is respectively provided with a positioning plate 2 which can move left and right, the upper ends of the positioning plates 2 are respectively provided with positioning grooves 3, the opposite inner side walls of the two positioning grooves 3 are of an opening structure, an assembled workpiece is placed between the inner walls of the two positioning grooves 3, the position of the assembled workpiece is clamped and limited by utilizing the cooperation of the positioning plates 2 and the positioning grooves 3, the left and right ends of the upper surface of the bottom plate 1 are respectively provided with a support plate 5, guide posts 6 are respectively arranged between the two support plates 5, the guide posts 6 are in guide transverse sliding connection with the surfaces of the positioning plates 2 to provide guide support for the movement of the positioning plates 2, the positioning plate further comprises an adjusting screw 7, the adjusting screw 7 is rotationally connected between the two support plates 5, the screw directions of the left and right ends of the adjusting screw 7 are opposite, screw holes in the middle of the positioning plates 2 are in threaded connection with the adjusting screw 7, the left end of the adjusting screw 7 is provided with a hand wheel 8, the adjusting screw 7 is rotated through the hand wheel 8, the adjusting screw 7 is in threaded connection with the positioning plates 2, the positioning plates 2 are driven to move left and right under the guide support of the guide posts 6, the moving directions of the two positioning plates 2 are opposite because the screw threads at the left end and the right end of the adjusting screw 7 are opposite, the distance between the two positioning plates 2 is adjusted, workpieces with different lengths are adapted, the upper surface of the bottom plate 1 is provided with a scale plate 10, the scale plate 10 and the positioning plates 2 are matched and installed, the distance between the two positioning plates 2 is conveniently determined, the lower surface of the bottom plate 1 is provided with an anti-skid rubber pad 11, the friction force between the bottom plate 1 and a placing plane is increased, and the position of the whole device is more stable;

Limit mechanism 4: the device comprises a rotary groove 41, a rotary column 42, a limiting rotary plate 43 and a torsion spring 44, wherein the rotary groove 41 is respectively arranged at the upper end of the inner side wall of a positioning groove 3, the limiting rotary plate 43 is connected in the rotary groove 41 through the rotary column 42 in a rotary way, the torsion spring 44 is movably sleeved at the end of the outer cambered surface of the rotary column 42, one end of the torsion spring 44, which is far away from the limiting rotary plate 43, is fixedly connected with the inner wall of the rotary groove 41, the other end of the torsion spring 44 is respectively fixedly connected with the limiting rotary plate 43, when a workpiece is assembled into the positioning groove 3, the workpiece applies downward acting force to the limiting rotary plate 43, the torsion of the torsion spring 44 is overcome, the limiting rotary plate 43 is pushed to rotate around the rotary column 42, after the lower surface of the workpiece is contacted with the limiting plate 47, the workpiece stops moving, at the moment, under the action of the torsion spring 44, the limiting rotary plate 43 applies acting force to the side surface of the workpiece to limit the position of the workpiece, the limiting mechanism 4 further comprises a limiting frame plate 45 and an electric push rod 46, the electric push rods 46 are respectively arranged in the mounting holes of the bottom wall of the positioning groove 3, the limiting frame plates 45 are respectively arranged between the upper ends of the telescopic ends of the two electric push rods 46 positioned in the same positioning groove 3, the limiting frame plates 45 are matched with the limiting rotating plates 43, one ends of the limiting frame plates 45 close to the assembled workpieces are of an opening structure, a space for giving way is provided for the placement of the assembled workpieces, the surface of the bottom plate 1 is provided with a singlechip 9, the input end of the singlechip 9 is electrically connected with an external power supply, the input end of the electric push rod 46 is electrically connected with the output end of the singlechip 9, the electric push rods 46 are started through the singlechip 9, the telescopic ends of the electric push rods 46 drive the limiting frame plates 45 to move upwards, the lower ends of the limiting rotating plates 43 are utilized to apply upward thrust, the inclination angles of the limiting rotating plates 43 are limited, the limiting of the workpieces are more accurate, the limiting mechanism 4 further comprises limiting plates 47, and the limiting plates 47 are respectively arranged between the front inner wall and the rear inner wall of the positioning groove 3 and limit the upper position and the lower position of the assembled workpiece.

The working principle of the adjustable auxiliary fixture for assembling work is that when the work piece is assembled, the adjusting screw rod 7 is rotated through the hand wheel 8 according to the size of the assembled work piece, the adjusting screw rod 7 is connected with the locating plate 2 through threads, the locating plate 2 is driven to move left and right under the guiding support of the guide post 6, the moving directions of the two locating plates 2 are opposite because the directions of the threads at the left end and the right end of the adjusting screw rod 7 are opposite, the distance between the two locating plates 2 is adjusted, the work piece with different lengths is adapted, after the adjustment is completed, the work piece is placed between the two locating grooves 3, the work piece applies downward acting force to the locating rotating plate 43 in the placing process, the torsion force of the torsion spring 44 is overcome, the locating rotating plate 43 is pushed to rotate around the guide post 42, the work piece stops moving after the lower surface of the work piece is contacted with the locating plate 47, at the moment, the torsion force is applied to the side face of the work piece by the torsion spring 44, the locating rotating plate 43 is limited, then the locating plate 45 is driven to move upwards by the single chip 9, the locating plate 45 is driven to move upwards by the extending and retracting end of the locating plate 45, the locating plate 45 is applied to the locating plate to limit the work piece with the whole size, and the work piece is more accurately limited by the locating device with the lower locating plate with the opposite size.

It should be noted that, in the above embodiment, the single-chip microcomputer 9 disclosed in the above embodiment may be a single-chip microcomputer of AT89C4051 type, and the electric push rod 46 may be freely configured according to the actual application scenario, and it is recommended to select an electric push rod of LAM1 type, and the single-chip microcomputer 9 controls the electric push rod 46 to work by a method commonly used in the prior art.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims (7)

1. An adjustable auxiliary fixture for assembly work is characterized by comprising a bottom plate (1) and a limiting mechanism (4);

The upper surface of the base plate (1) is respectively provided with a positioning plate (2) which can move left and right, the upper ends of the positioning plates (2) are respectively provided with positioning grooves (3), and the opposite inner side walls of the two positioning grooves (3) are of an opening structure;

The limiting mechanism (4) comprises a rotary groove (41), a rotary column (42), a limiting rotary plate (43) and a torsion spring (44), wherein the rotary groove (41) is respectively arranged at the upper end of the inner side wall of the positioning groove (3), the limiting rotary plate (43) is connected in the rotary groove (41) through rotation of the rotary column (42), the torsion spring (44) is movably sleeved at the end of the outer cambered surface of the rotary column (42), one end, far away from the limiting rotary plate (43), of the torsion spring (44) is fixedly connected with the inner wall of the rotary groove (41), and the other end of the torsion spring (44) is fixedly connected with the limiting rotary plate (43) respectively.

2. The adjustable auxiliary fixture for assembly work of claim 1, wherein the limiting mechanism (4) further comprises a limiting frame plate (45) and an electric push rod (46), the electric push rods (46) are respectively arranged in mounting holes of the bottom wall of the positioning groove (3), the limiting frame plate (45) is arranged between the upper ends of the telescopic ends of the two electric push rods (46) positioned in the same positioning groove (3), the limiting frame plate (45) and the limiting rotating plate (43) are mounted in a matched mode, a single chip microcomputer (9) is arranged on the surface of the bottom plate (1), the input end of the single chip microcomputer (9) is electrically connected with an external power supply, and the input end of the electric push rod (46) is electrically connected with the output end of the single chip microcomputer (9).

3. An adjustable auxiliary fixture for assembly work according to claim 1, wherein the limiting mechanism (4) further comprises limiting plates (47), and the limiting plates (47) are respectively arranged between the front inner wall and the rear inner wall of the positioning groove (3).

4. The adjustable auxiliary fixture for assembly work according to claim 1, wherein the left and right ends of the upper surface of the bottom plate (1) are respectively provided with a support plate (5), guide posts (6) are respectively arranged between the two support plates (5), and the guide posts (6) are transversely and slidably connected with the guide of the surface of the positioning plate (2).

5. The adjustable auxiliary fixture for assembly work according to claim 4, further comprising an adjusting screw (7), wherein the adjusting screw (7) is rotatably connected between the two support plates (5), the threads at the left end and the right end of the adjusting screw (7) are opposite in direction, screw holes in the middle of the positioning plate (2) are in threaded connection with the adjusting screw (7), and a hand wheel (8) is arranged at the left end of the adjusting screw (7).

6. An adjustable auxiliary fixture for assembly work according to claim 1, wherein the upper surface of the base plate (1) is provided with a scale plate (10), and the scale plate (10) is matched with the positioning plate (2).

7. An adjustable auxiliary fixture for assembly work according to claim 1, characterized in that the lower surface of the base plate (1) is provided with an anti-slip rubber pad (11).