CN210997707U - Box processing location frock - Google Patents

Abstract

The utility model discloses a box processing location frock, the frock includes that base plate, two ear boards, hoist and mount handle, turbine shaft mounting hole axle sleeve, locating pin and worm location draw this nearly most of hole to the base plate is given first place to, and each part is installed on the base plate, thereby turbine shaft mounting hole axle sleeve aligns the box when using and lets the worm location draw the hole and align the box, sets up on the box and carry out reaming alright completion after drawing the hole again. The tool is formed by cutting, bending and welding other parts, and has simple structure, low cost and convenient operation; in the machining process, only the machining precision of the shaft sleeve of the turbine shaft mounting hole and the worm positioning guide hole is required to be ensured, and the manufacturing is convenient. This utility model is used for the anchor clamps field.

Description

Box processing location frock

Technical Field

The utility model relates to an anchor clamps field especially relates to a box processing location frock.

Background

The worm gear transmission mechanism in the lifting walking type double-layer parking machine case is used for driving the upper layer structure of the parking machine. Due to the reasons in the aspect of the existing machining tool, after the box body is machined, the space between the axis of the worm mounting hole and the axis of the turbine shaft mounting hole is not perpendicular (exceeds the allowable error range), when the worm and the turbine are mounted, the positive and negative movement and the locking of the turbine and the worm are easily caused, the reworking and the box body trimming are required for many times, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve among the background art too big box processing location frock of straightness error that hangs down of worm hole and turbine shaft mounting hole.

The utility model adopts the technical proposal that:

the utility model provides a box processing location frock, includes: a substrate; two ear plates respectively arranged at the left and right sides of the base plate and then extending downwards; the hoisting handle is arranged on the upper side of the substrate; the turbine shaft mounting hole shaft sleeve is arranged on the lower side of the substrate; a positioning pin disposed at a lower side of the substrate; the centre of a circle of turbine shaft mounting hole axle sleeve and locating pin all is located the axisymmetric centerline of base plate, two the ear board all is equipped with worm location draw hole, two in the same position the ear board all is equipped with frock fixed screw hole in the same position, and the axial lead of worm location draw hole is perpendicular with the axial lead of turbine shaft mounting hole axle sleeve. The shaft sleeve of the turbine shaft mounting hole and the worm positioning lead hole facilitate high-precision machining, so that the whole scheme utilizes the shaft sleeve of the turbine shaft mounting hole and the positioning pin to find a first position, and then determines a second position through the worm positioning lead hole, so that a hole with more accurate relative position can be machined, and the position precision of the turbine shaft mounting hole and the worm after being matched is high.

As the improvement of the scheme, the base plate is T-shaped, unnecessary materials are removed as far as possible, the weight is reduced, the base plate comprises a main plate and two wing plates located on two sides of the main plate, the two ear plates are located on the wing plates, the shaft sleeve of the turbine shaft mounting hole and the lifting handle are located on the main plate, the whole tool is concise in layout, and convenient to manufacture.

As an improvement of the scheme, the hoisting handle is positioned on the axial symmetry center line of the base plate and is stressed uniformly.

As an improvement of the scheme, the hoisting handle comprises a U-shaped rod connected with the main board and a pull ring arranged on the U-shaped rod, and the pull ring is positioned in the middle of the U-shaped rod. The pull ring is as main stress point, conveniently connects the hoist, and the pull ring passes through the U-shaped pole and transmits the pulling force for two tie points of U-shaped pole and base plate, ensures that the frock atress is even at the hoist and mount in-process.

As an improvement of the scheme, the shaft sleeve of the turbine shaft mounting hole is of a cylindrical structure. The shaft sleeve of the turbine shaft mounting hole is mainly aligned to the processed turbine shaft mounting hole by using the outer diameter, so that the design is adopted for reducing the weight of the tool, but the outer side precision of the shaft sleeve of the turbine shaft mounting hole is ensured, and the deformation caused by the too thin barrel body is avoided.

As an improvement of the scheme, the taper angle range of the positioning pin is 4-10 degrees. If the cone angle is too small, positioning pins and the like on the tool are difficult to install on the workpiece, and the assembly efficiency is influenced; if the cone angle is too large, a large clearance error is easily caused in the assembling process, and the machining precision is influenced.

As the improvement of the scheme, the two ear plates and the base plate are of an integral structure and are formed by bending part of the base plate, and the hoisting handle, the positioning pin and the shaft sleeve of the turbine shaft mounting hole are welded on the base plate.

The utility model has the advantages that: the tool is used for machining the screw positioning hole with high position precision on the workpiece, namely, the drill drills the workpiece through the worm positioning guide hole. The tool is formed by cutting, bending and welding other parts, and has simple structure, low cost and convenient operation; in the machining process, only the machining precision of the shaft sleeve of the turbine shaft mounting hole and the worm positioning guide hole is required to be ensured, and the manufacturing is convenient.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a bottom perspective view of the tooling;

FIG. 2 is a top perspective view of the tooling;

FIG. 3 is a perspective view of a workpiece;

fig. 4 is a perspective view of the tool and the workpiece after assembly.

Detailed Description

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as up, down, front, rear, left, right, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description of the present invention, and does 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.

In the description of the invention, unless otherwise explicitly defined, terms such as set, mounted, connected and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the invention in combination with the specific contents of the technical solutions.

Referring to fig. 3, the casing 10 is a cubic structure, and has a cavity therein, one end of the cavity is made into a circular arc surface, a partition plate and a connecting rod are disposed inside the casing 10, and the casing 10 serves as a housing for protecting and mounting the worm gear transmission mechanism. Looking at the right lower corner, one end of the case 10 has a vertical turbine shaft mounting hole 31 for placing a turbine; a positioning hole 52 is reserved beside the turbine shaft mounting hole 31 of the box body 10; the case 10 is provided with horizontal worm shaft mounting holes 41 on the left and right side surfaces of the one end for receiving the worm.

Referring to fig. 1 and 2, the utility model relates to a box 10 processing location frock, the frock includes base plate 20, two ear plates 23, hoist and mount handle 24, turbine shaft mounting hole axle sleeve 32, locating pin 51 and several these most parts of worm location lead hole.

The substrate 20 may be a rectangular plate or an oval plate as a carrier, but in the present embodiment, the substrate 20 is formed in a T shape for the convenience of processing and the appropriate removal of unnecessary materials. The main body of the substrate 20 is referred to as a main plate 21, and the portions extending from both sides of the substrate 20 are referred to as flaps 22.

Two ear plates 23 are respectively provided on the left and right sides of the base plate 20 and then extend downward. In other embodiments, the ear plate 23 is fixedly connected to the base plate 20 by welding. Preferably, the wing plate 22 is reserved with a longer length, and then the wing plate 22 is bent downward, in which case the ear plate 23 is integral with the base plate 20. Both the two ear plates 23 are provided with worm positioning guide holes and tool fixing screw holes 60 which are located at different heights, and the distance can be slightly adjusted according to the position to be processed of the box body 10.

The hoisting handle 24 is arranged on the upper side of the base plate 20 and used for connecting a hoisting tool and facilitating the transfer of the tool. In this embodiment, the lifting handle 24 is located on the axial symmetry center line of the substrate 20, and is stressed uniformly. Further, the hoisting handle 24 comprises a U-shaped rod connected with the main board 21 and a pull ring arranged on the U-shaped rod, and the pull ring is positioned in the middle of the U-shaped rod; in fig. 2 it can be seen that the vertical plane in which the U-shaped bars lie passes through the axis of symmetry of the base plate 20. The pull ring is used as a main stress point, the lifting appliance is convenient to connect, the pull ring transmits the pulling force to two connection points of the U-shaped rod and the base plate 20 through the U-shaped rod, and the uniform stress of the tool in the lifting process is ensured.

A turbine shaft mounting hole boss 32 is provided on the lower side of the base plate 20 for inserting the turbine shaft mounting hole 31 which has been machined in the casing 10, and the turbine shaft mounting hole 31 which has been machined is aligned with the outer diameter. Meanwhile, the center of the shaft sleeve 32 of the turbine shaft mounting hole is located on the axial symmetry center line of the substrate 20, namely, at the center of the substrate 20. The turbine shaft mounting hole shaft sleeve 32 adopts a thin-walled cylinder structure in order to reduce the weight, but the outer precision of the turbine shaft mounting hole shaft sleeve 32 needs to be ensured, and the deformation caused by the too thin cylinder body is avoided.

The positioning pin 51 is arranged on the lower side of the base plate 20, and when the turbine shaft mounting hole shaft sleeve 32 is inserted into the box body 10, the positioning pin 51 is also inserted into the positioning hole 52 on the box body 10, and the positioning pin and the turbine shaft mounting hole shaft sleeve 32 lock the degree of freedom of the tool; the position of the worm positioning lead hole is fixed accordingly. Preferably, the center of the positioning pin 51 is located on the axial symmetry center line of the substrate 20. The taper angle range of the positioning pin 51 is 4 to 10 degrees; if the taper angle is too small, the positioning pin 51 and the like on the tool are difficult to be installed on the workpiece, and the assembly efficiency is influenced; if the cone angle is too large, a large clearance error is easily caused in the assembling process, and the machining precision is influenced.

The axial line of the worm positioning lead hole is vertical to the axial line of the shaft sleeve 32 of the turbine shaft mounting hole, wherein the vertical can be within an error range, and the meshing precision of the worm and the worm can be ensured after the box body 10 is inserted into the worm and the worm. Because the shaft sleeve 32 of the turbine shaft mounting hole and the worm positioning lead hole facilitate high-precision processing, the whole scheme utilizes the shaft sleeve 32 of the turbine shaft mounting hole and the positioning pin 51 to find a first position, and then determines a second position through the worm positioning lead hole, so that a hole with more accurate relative position can be processed, and the position precision of the turbine and the worm is high after the turbine and the worm are matched.

In this embodiment, the lifting handle 24, the positioning pin 51 and the shaft sleeve 32 of the turbine shaft mounting hole are all welded on the substrate 20.

With particular reference to fig. 4, one embodiment thereof is described below.

After the machine tool finishes processing the datum plane and the turbine shaft mounting hole 31 of the box body 10, the worm shaft mounting hole 41 needs to be processed, the tool is firstly hung above the box body 10 by using a hanger, the turbine shaft mounting hole shaft sleeve 32 on the tool is aligned to the turbine shaft mounting hole 31 processed on the box body 10 and is slightly lowered down, meanwhile, the position of the tool is adjusted, the positioning pin 51 on the tool is aligned to the positioning hole 52 processed on the box body 10, then the tool is completely lowered down, and after the tool is completely contacted with the matching end face of the box body 10, the screw is screwed down, so that the tool and the box body 10 are fastened together. And then, a drilling machine is adopted, a lead hole of the worm shaft mounting hole 41 is processed on the box body 10 through the worm positioning lead hole on the ear plate 23, after the lead hole processing is completed, the tool can be taken down, and then the worm shaft mounting hole 41 on the box body 10 is subjected to reaming processing until the processing is completed. The method can not only ensure that the axial lead of the turbine shaft mounting hole 31 on the box body 10 is vertical to the axial lead of the worm shaft mounting hole 41 and the size distance, but also can accurately control the space included angle of the two axial leads, ensure that the space verticality error of the two axial leads is in an allowable range, and ensure the processing precision of the box body 10.

Of course, the design creation is not limited to the above embodiments, and the combination of different features of the above embodiments can also achieve good effects. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope defined by the claims of the present application.

Claims (7)

1. The utility model provides a box processing location frock which characterized in that includes:

a substrate;

two ear plates respectively arranged at the left and right sides of the base plate and then extending downwards;

the hoisting handle is arranged on the upper side of the substrate;

the turbine shaft mounting hole shaft sleeve is arranged on the lower side of the substrate;

a positioning pin disposed at a lower side of the substrate;

the centre of a circle of turbine shaft mounting hole axle sleeve and locating pin all is located the axisymmetric centerline of base plate, two the ear board all is equipped with worm location draw hole, two in the same position the ear board all is equipped with frock fixed screw hole in the same position, and the axial lead of worm location draw hole is perpendicular with the axial lead of turbine shaft mounting hole axle sleeve.

2. The box processing location frock of claim 1, characterized in that: the base plate is T-shaped and comprises a main plate and two wing plates located on two sides of the main plate, the two ear plates are located on the wing plates, and the shaft sleeve of the turbine shaft mounting hole and the hoisting handle are located on the main plate.

3. The box processing positioning tool according to claim 2, characterized in that: the hoisting handle is positioned on the axial symmetry center line of the base plate.

4. The box processing positioning tool according to claim 3, characterized in that: the hoisting handle comprises a U-shaped rod connected with the main board and a pull ring arranged on the U-shaped rod, and the pull ring is positioned in the middle of the U-shaped rod.

5. The box processing location frock of claim 4, its characterized in that: the shaft sleeve of the turbine shaft mounting hole is of a cylindrical structure.

6. The box processing positioning tool according to claim 5, characterized in that: the cone angle range of the positioning pin is 4-10 degrees.

7. The box processing positioning tool according to any one of claims 1 to 6, characterized in that: the two ear plates and the base plate are of an integral structure and formed by bending part of the base plate, and the hoisting handle, the positioning pin and the shaft sleeve of the turbine shaft mounting hole are welded on the base plate.

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