CN214382945U

CN214382945U - Large-scale box processingequipment

Info

Publication number: CN214382945U
Application number: CN202023152527.6U
Authority: CN
Inventors: 吴海朋; 邓辉; 张兆和; 刘兵; 闫汝学; 张升涛
Original assignee: Himile Mechanical Manufacturing Co Ltd
Current assignee: Himile Mechanical Manufacturing Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-12
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a large-scale box processing device, which belongs to the technical field of box processing devices and comprises a connecting body, wherein the connecting body is provided with a first end and a second end, a cavity communicated with the first end and the second end is arranged in the connecting body, a gap arranged along the axial direction of the cavity is arranged on the side wall of the connecting body, the gap extends to the first end, and an adjusting component for adjusting the width of the gap is arranged on the side wall of the connecting body; the end surface of the second end is provided with a connecting component; the utility model utilizes the cavity on the connecting body to connect the machine tool main shaft with unmatched size and the milling head, overcomes the difficulties of unmatched size and limited connection mode of the milling head, and effectively combines the milling head and the equipment to realize the purpose of accurate processing; the utility model discloses make the combination between equipment and the cutter head have bigger flexibility, can satisfy the processing requirement of unidimensional dead eye, make machining efficiency improve 30%, realize the high-efficient processing of box dead eye.

Description

Large-scale box processingequipment

Technical Field

The utility model relates to a box processingequipment technical field, concretely relates to large-scale box processingequipment.

Background

The box body parts are basic parts of the industrial box body, and can orderly connect equipment and the internal structure of the box body together and coordinate to move according to a certain transmission relation. The inner and outer structures of the box body parts are complex, and different cavities are usually surrounded by thin walls. The box body is a key part of equipment such as a reciprocating compressor, an engine, a crankcase, an industrial reduction gearbox and the like. The assembly precision and the motion precision of the devices are influenced by the machining precision of structures such as box body supporting holes, bosses, mounting plates, bearing holes and the like.

However, in practice, the box body has the characteristics of large size and thin hollow wall in the processing process, and the bearing holes are long in spacing distance and large in number, so that the box body is difficult to process in the processing of the bearing holes. The main problem is that when the bearing hole is machined, the problem that the machining effect is poor or even the machining cannot be carried out due to the fact that the size of the main shaft is not matched with that of the milling head can occur.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a large-scale box processingequipment utilizes the connector to be connected the unmatched lathe main shaft of size and cutter head, has overcome the cutter head size and has unmatched and the limited difficulty of connected mode, makes the cutter head combine the purpose of realizing accurate processing effectively with equipment.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a large-scale box processingequipment, including the connector, the connector has first end and second end, have the cavity that communicates the first end with the second end in the connector, have along the gap of the axial setting of cavity on the lateral wall of connector, the gap extends to the first end, be equipped with the adjusting part who adjusts the gap width on the lateral wall of connector; and the end face of the second end is provided with a connecting assembly.

As a preferable technical solution, a positioning boss protruding from the end face of the second end is provided on the end face of the second end.

As a preferred embodiment, the cross section of the cavity is circular.

As a preferred solution, the cross-sectional diameter of the cavity at the first end is larger than the cross-sectional diameter of the cavity at the second end.

As a preferable technical solution, a step surface is formed in the cavity.

As a preferable technical solution, the number of the slits is two, and the slits are distributed along the circumferential direction of the cavity.

As a preferable technical solution, the adjusting component is a first screw, and the first screw sequentially penetrates through the side walls of the connecting body on both sides of the gap.

As a preferred solution, the connecting assembly is provided as a second screw.

As a preferable technical solution, the second screw is screwed with the end surface of the second end; or, the terminal surface of second end has the spread groove, the spread groove is embedded to have T type piece, T type piece is last to have the screw hole, the second screw with T type piece threaded connection.

As a preferred technical solution, the connecting assembly is provided in a plurality, and the connecting assemblies are distributed along the circumferential direction of the cavity.

The utility model has the advantages of that:

1. the utility model discloses utilize the cavity on the connector can be connected the unmatched lathe main shaft of size with the cutter head, overcome the cutter head size and mismatch and the limited difficulty of connected mode, make the cutter head combine the purpose that realizes accurate processing effectively with equipment.

2. The utility model discloses make the combination between equipment and the cutter head have bigger flexibility, can satisfy the processing requirement of unidimensional dead eye, make machining efficiency improve 30%, realize the high-efficient processing of box dead eye.

3. The utility model discloses general suitability between can effectual improvement lathe and the cutter head has reduced the cost of purchasing the professional equipment annex.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the connection of FIG. 1 to a milling head;

fig. 4 is a schematic structural diagram of the milling head in fig. 3.

In the figure: 1-connecting body, 11-first end, 12-second end, 13-cavity, 14-gap, 15-positioning boss, 2-first screw, 3-second screw, 31-T-shaped block, 4-milling head, 41-milling head taper shank, 42-milling head inner hole, 43-connecting hole and 44-pulling nail.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Please refer to fig. 1 and fig. 2, which is an embodiment of a large box processing apparatus provided by the present invention, including a connector 1, the connector 1 has a first end 11 and a second end 12, a cavity 13 communicating the first end 11 and the second end 12 is provided in the connector 1, a gap 14 axially disposed along the cavity 13 is provided on a sidewall of the connector 1, the gap 14 extends to the first end 11, an adjusting component for adjusting a width of the gap 14 is provided on a sidewall of the connector 1, a machine tool spindle can extend into the cavity 13 from the first end 11, the width of the gap 14 is reduced by the adjusting component, an inner wall surface of the cavity 13 can be tightly attached to an outer peripheral surface of the spindle, and the connector 1 is fixedly connected to the machine tool spindle by friction; the end face of the second end 12 is provided with a connecting component, the taper shank of the milling head 4 can extend into the cavity 13 through the second end 12, and the milling head 4 and the connecting body 1 can be fixedly connected by using the connecting component, so that the spindle of the machine tool is connected with the milling head 4, and the size problem of the milling head 4 does not need to be considered deliberately.

It should be noted that, in practical use, referring to fig. 1 and 2, the cross section of the cavity 13 is circular, so that the spindle of the machine tool can conveniently extend into the cavity; when the machine tool spindle extends into the cavity 13 from the first end 11, the machine tool spindle is in clearance fit with the cavity 13, and the fit clearance is preferably 0.005-0.01mm, so that the adjusting component can be controlled conveniently to reduce the width of the gap 14 and quickly fix the connecting body 1 and the machine tool spindle.

In this embodiment, referring to fig. 2 and fig. 3, the end surface of the second end 12 may have a positioning boss 15 protruding from the end surface of the second end 12, and correspondingly, the milling head 4 has a milling head inner hole 42, when the taper shank of the milling head 4 extends into the inner cavity from the second end 12, the positioning boss 15 may be embedded into the milling head inner hole 42, and the two are in clearance fit, so as to radially position the milling head 4.

In this embodiment, referring to fig. 2, a step surface may be formed in the cavity 13, and the step surface may be used to effectively position the extension length of the spindle of the machine tool; specifically, the cross-sectional diameter of the cavity 13 at the first end 11 should be larger than the cross-sectional diameter of the cavity 13 at the second end 12, so as to ensure that the formed step surface can effectively block the extending end of the machine tool spindle.

In this embodiment, referring to fig. 1, two slits 14 may be provided, the slits 14 are uniformly distributed along the circumferential direction of the cavity 13, and a plurality of adjusting assemblies may be disposed on each of the two slits 14, so that the side wall of the connecting body 1 can be slightly deformed to be attached to the outer circumferential surface of the spindle of the machine tool by changing the width of the slits 14, and the fixing and connecting effect is improved; in other embodiments, there may be no less than three slits 14, and the slits 14 may be uniformly distributed along the circumference of the cavity 13.

Specifically, referring to fig. 1, the adjusting component may be a first screw 2, the first screw 2 sequentially penetrates through the sidewalls of the connecting body 1 at two sides of the gap 14 and is in threaded connection with the sidewall of the connecting body 1 at one side of the gap 14, and the width of the gap 14 can be adjusted by rotating the first screw 2; in other embodiments, the adjusting component may also be a bolt, through holes are formed in the side walls of the connecting body 1 on both sides of the gap 14, screws in the bolt sequentially pass through the two through holes and are connected with nuts in the bolt, and the width of the gap 14 is adjusted by rotating the screws or the nuts.

In this embodiment, referring to fig. 3, the connecting component may be a second screw 3, at this time, a connecting hole 43 should be formed on the milling head 4, and the second screw 3 passes through the connecting hole 43 to be connected with the end surface of the second end 12, so that the milling head 4 and the connecting body 1 can be fixed; specifically, the end surface of the second end 12 may have a connection groove, a T-shaped block 31 is embedded in the connection groove, the T-shaped block 31 has a threaded hole, and the second screw 3 is in threaded connection with the T-shaped block 31, so that the milling head 4 and the connector 1 can be fixedly connected; specifically, the cross section of the connecting groove is matched with the T-shaped block 31, so that the T-shaped block 31 can be conveniently clamped and embedded in the connecting groove; in other embodiments, a threaded hole may be directly formed on the end surface of the second end 12, and the second screw 3 may pass through the connecting hole 43 and be connected with the threaded hole, or may fixedly connect the milling head 4 with the connecting body 1.

On the basis of the above embodiment, referring to fig. 1, a plurality of connecting assemblies may be provided, and the connecting assemblies are distributed along the circumferential direction of the cavity 13, so that the connection stability between the milling head 4 and the connecting body 1 can be improved.

Referring to fig. 1-4, taking the crankcase as an example, the manufacturing process of the present invention is as follows:

horizontally placing the bottom surface of a crankshaft box on a workbench of a machine tool, and arranging the same number of sizing blocks according to the number of contact surfaces of the bottom surface of the crankshaft box to ensure that the bottom surface of the box body is parallel to the workbench;

secondly, the connecting body 1 is used for connecting the existing small-size milling head 4 with a main shaft of a gantry machining center, specifically:

1. the machine tool main shaft is connected with the connector 1: the machine tool spindle extends into the cavity 13 from the first end 11 of the connecting body 1 to be in clearance fit with the inner wall surface of the cavity 13, the first screw 2 is locked according to the torque requirement, so that the clearance on the side wall of the connecting body 1 is deformed due to the tension force, the inner wall of the cavity 13 is tightly attached to the machine tool spindle, and the two are fixedly connected by using the friction force;

2. the connection of the connecting body 1 and the milling head 4 is as follows: the taper shank 41 of the milling head extends into the cavity 13 from the second end 12 of the connecting body 1, and the positioning boss 15 at the second end 12 is in clearance fit with the milling head inner hole 42 on the milling head 4, wherein the fit clearance is preferably 0.02mm-0.03mm, so that the radial positioning precision of the milling head 4 and the connecting body 1 can be effectively ensured; the second screw 3 penetrates through the connecting hole 43 and is in threaded connection with the T-shaped block 31 in the second end 12, so that the milling head 4 is connected with the connecting body 1, and the stability of the milling head 4 during processing is ensured;

3. connection of the machine tool spindle and the milling head 4: it should be noted that the end of the milling head taper shank 41 may be provided with a blind rivet 44, a tensioning structure matched with the blind rivet 44 may be arranged inside the machine tool spindle, the tensioning structure applies a tensioning force to the blind rivet 44, so as to exert a tensioning effect on the milling head 4, and reduce the axial load borne by the connecting body 1; at the moment, the machine tool spindle can provide the torque for the rotation of the milling head 4 through the friction force between the machine tool spindle and the taper shank, and the connecting body 1 only plays a role in the switching between the milling head 4 and the machine tool spindle;

step three: installing an alignment rod of the milling head 4 and adjusting the angle of the milling head 4;

step four: mounting a fine boring cutter on the milling head 4; in a specific embodiment, a finish boring cutter can be mounted on the milling head 4 through a taper hole by using a broach bolt, the size of the boring cutter is adjusted to be 0.1mm smaller than the required size, the trial cutting depth is 5mm, the size is measured, the diameter of the boring cutter is adjusted according to the measured size until the boring cutter is qualified, and a plurality of bearing holes on a crankcase are processed in sequence;

step five: after the bearing covers are sequentially installed on the crankcase, the coaxiality of the bearing holes is checked by using a high-precision laser tracker.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The large box processing device is characterized by comprising a connecting body, wherein the connecting body is provided with a first end and a second end, a cavity communicated with the first end and the second end is formed in the connecting body, a gap is formed in the side wall of the connecting body along the axial direction of the cavity, the gap extends to the first end, and an adjusting assembly for adjusting the width of the gap is arranged on the side wall of the connecting body; and the end face of the second end is provided with a connecting assembly.

2. The large box processing device according to claim 1, wherein a positioning boss protruding from an end surface of the second end is provided on an end surface of the second end.

3. The large box processing device according to claim 1, wherein the cross section of the cavity is formed in a circular shape.

4. A large box processing apparatus according to claim 3, wherein the cross-sectional diameter of said cavity at said first end is greater than the cross-sectional diameter of said cavity at said second end.

5. A large box processing apparatus according to claim 4, wherein a step surface is formed in the cavity.

6. The large box processing device according to claim 1, wherein the number of the slits is at least two, and the slits are distributed along a circumferential direction of the cavity.

7. The large box processing device according to claim 1 or 6, wherein the adjusting component is a first screw, and the first screw passes through the side wall of the connecting body on both sides of the gap in sequence.

8. A large box processing apparatus according to claim 1, wherein said connecting member is provided as a second screw.

9. The large box processing device according to claim 8, wherein the second screw is screwed with the end face of the second end; or, the terminal surface of second end has the spread groove, the spread groove is embedded to have T type piece, T type piece is last to have the screw hole, the second screw with T type piece threaded connection.

10. A large box processing apparatus according to claim 1 or 8, wherein the connecting members are provided in plurality, and are distributed along the circumferential direction of the cavity.