CN219131577U

CN219131577U - Clamping frock suitable for processing of wind-powered electricity generation gear box no technology step box

Info

Publication number: CN219131577U
Application number: CN202320155044.6U
Authority: CN
Inventors: 黄正廷; 吴伟强; 傅旸
Original assignee: Nanjing Avis Transmission Technology Co ltd
Current assignee: Nanjing Avis Transmission Technology Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-06
Anticipated expiration: 2033-02-08

Abstract

The utility model provides a clamping tool suitable for processing a step-free box body of a wind power gear box, which is characterized in that: the lower part of the box body is provided with an ear hole; the tool is fixed on a machine tool workbench; the main tooling cushion block is fixed on the tooling; the earhole is arranged on the main tooling cushion block; two sides of the main tooling cushion block are respectively provided with a tooling side plate, the tooling side plates are fixed on the main tooling cushion block by transverse fastening bolts, and the tooling bolts at the end surfaces of the earholes pass through transverse threaded holes above the tooling side plates and then tightly contact with the end surfaces of the earholes; the tooling pressing plate presses the box closing surface of the box body; the L-shaped tooling cushion block is placed on the main tooling cushion block, and is fixed onto the main tooling cushion block by a fastening bolt; the tooling bolts on the side surfaces of the earholes penetrate through the transverse threaded holes of the L-shaped tooling cushion blocks and then tightly abut against the side surfaces of the earholes. The utility model provides a tool with strong universality, low cost of tools and labor, high processing efficiency and long service life.

Description

Clamping frock suitable for processing of wind-powered electricity generation gear box no technology step box

Technical Field

The utility model relates to the field of tools, in particular to a clamping tool for vertical lathe machining of a wind power gear box body.

Background

Gears are one of the most common components in mechanical products, for which it is important, and gearboxes are also important as protective and support components for gear assemblies. The box structure of the gear box is generally divided into an upper structure, a lower structure, a front structure and a rear structure, bearing holes, end faces and the like of the wind power gear box are required to be subjected to rough machining and finish machining after an upper box body is combined with a lower box body or after a front box cover is combined with a middle box body, and therefore the box body of the gear box is required to be clamped and fixed by using a tool clamp. For the conventional box body with an up-down structure, a designer will design four process steps below the lower box body in advance to facilitate processing, and because the cabin space of some wind driven generators is relatively narrow, after the box body is processed, in order to prevent the reserved process steps above the lower box body from interfering with the internal structure of the cabin, the gearbox will process the process steps of the lower box body in advance before being mounted on the cabin. The longer the gear box runs, the more the gear box needs to be put off the shelf to repair, and the more the gear box needs to be repaired, so that the original part of machine type box body with the process steps is repaired to become a great difficulty.

The lower part of the lower box body after the process steps are machined is provided with an arc-shaped shell, a plane which can be used for supporting is not provided, and only the arc-shaped shell of the lower box body can be supported by a V-shaped block with a certain opening angle. After the lower box body is placed on the V-shaped iron, a tooling screw rod with a certain height is placed on the left side and the right side to penetrate through the pressing plate, and after a nut on the screw rod is screwed up, the back of the upper box body and the lower box body box assembling surface is pressed by the pressing plate to fix the box body on a workbench of a machine tool for processing.

The drawbacks of the above prior art are:

1. generally, the outline of the lower box body has no processing requirement, so the outline of the lower box body is directly cast, and because the casting error is larger, a gap possibly exists when the V-shaped block is in contact with the lower box body, and if the V-shaped block cannot be contacted with the lower box body, the lower box body can be placed on the V-shaped block even after the outline of the lower box body is processed.

2. The external contour of V type piece and lower box is only through point contact or line contact, and this clamping mode is not stable enough, and the appearance contour of different models is different, and the commonality of V type piece is not strong, increases the cost of frock easily.

3. The long screw rod compression plates on two sides compress the two sides of the box body to be fixed, so that the long screw rod deformation of the tool is easy to occur. The tool screw rod can not be used continuously after serious deformation, so that waste is caused.

4. The outline of the lower box body is arc-shaped, and after the lower box body is placed on the V-shaped iron, the left side and the right side of the box body are pressed by the pressing plate, so that the stress on the left side and the right side of the box body is uneven, and the clamping efficiency is too low.

5. The existing tool is required to be clamped and fixed on a workbench of a machine tool when the box body is clamped, and the machine tool is required to be in a shutdown state during clamping, so that waste of productivity is easily caused.

Disclosure of Invention

The utility model provides a clamping tool for processing a step-free box body of a wind power gear box, and aims to solve the defects of the prior art.

The technical scheme adopted for solving the technical problems is as follows:

clamping frock suitable for processing of wind-powered electricity generation gear box no technology step box is used, its characterized in that:

the lower part of the box body is provided with an ear hole;

the tool is fixed on a machine tool workbench;

the main tooling cushion block is fixed on the tooling;

the earhole is arranged on the main tooling cushion block;

two sides of the main tooling cushion block are respectively provided with a tooling side plate, the tooling side plates are fixed on the main tooling cushion block by transverse fastening bolts, and the tooling bolts at the end surfaces of the earholes pass through transverse threaded holes above the tooling side plates and then tightly contact with the end surfaces of the earholes;

the support tool cushion block is placed on the main tool cushion block, and the support tool bolt is screwed in a vertical threaded hole on the support tool cushion block; one side of the tooling pressing plate is contacted with the back surface of the box closing surface of the box body, and the other side of the tooling pressing plate is contacted with the supporting tooling bolt; one side of a pressing plate tool bolt is screwed into a threaded hole in a main tool cushion block, the other side of the pressing plate tool bolt penetrates through a kidney-shaped hole in a tool pressing plate, and a nut screwed on the pressing plate tool bolt is tightly pressed on the tool pressing plate, so that the tool pressing plate tightly presses the box closing surface of the box body;

the L-shaped tooling cushion block is placed on the main tooling cushion block, and is fixed onto the main tooling cushion block by a fastening bolt; the tooling bolts on the side surfaces of the earholes penetrate through the transverse threaded holes of the L-shaped tooling cushion blocks and then tightly abut against the side surfaces of the earholes.

The integral type tool platform is placed on the machine tool workbench, a T-shaped head of a T-shaped bolt is arranged in a T-shaped groove on the machine tool workbench, the other side of the T-shaped bolt penetrates through a through hole on the integral type tool platform, and a nut is screwed on the T-shaped bolt and presses the integral type tool platform, so that the integral type tool platform is fixed on the machine tool workbench; the frock is fixed on integral frock platform.

The tool lower plate and the tool upper plate of the tool are welded and fixed with the tool upright post respectively, and the tool lower plate and the integral tool platform are fixedly connected through corresponding screw holes matched with set screws.

Four frock correspond four earholes of box respectively, and adjacent frock stand is connected through first supporting beam and second supporting beam, and the respective both ends of first supporting beam and second supporting beam weld respectively on the frock stand that is located both sides.

The main tooling cushion block is fixed on the tooling through a locking screw.

The utility model has the advantages that:

1) The tooling supports the planes of all the earholes on the back of the middle split surface of the lower box body, the earholes are uniformly distributed in the box body, and the stress is more uniform;

2) The tool of the patent is in surface contact with the four earhole plane contact modes at the middle split surface and the back surface of the lower box body, so that clamping is more stable;

3) The two sides of the screw pressing plate pressing box body used by the tool are fixed, the length of the tool screw is greatly shortened relative to that of the original tool, the situation that the original tool is easy to deform due to overlong length of the tool screw is avoided, the tool screw used by the tool can be used repeatedly, and the tool cost is saved;

4) The tool is simpler in structure and can be operated by a single person. The disassembly and assembly before and after the part processing are more convenient, so that time and labor are saved;

5) This patent frock has a big frock platform, and the workstation of lathe is processed after the box can be fixed alone clamping again, and frock platform and lathe workstation are fixed alone can, the effectual availability factor that promotes the lathe has promoted the productivity of lathe.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of a fixture for clamping an upper and lower structural box body during processing;

FIG. 2 is a partial view in the direction A of FIG. 1;

fig. 3 is a B-B cross-sectional view of bitmap 1.

Detailed Description

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The tool provided by the utility model is mainly suitable for the box body with an upper box body structure and a lower box body structure, and the process step below the box body is free from the fine boring clamping fixing requirement of a bearing hole on a horizontal machining center.

As shown in fig. 1, 2 and 3:

wherein the box body 1 is composed of an upper box body and a lower box body.

The integral type tooling platform 3 is placed on the machine tool workbench 2, a T-shaped head of a T-shaped bolt 5 is installed in a T-shaped groove on the machine tool workbench 2, the other side of the T-shaped bolt 5 penetrates through a through hole which is formed in advance on the integral type tooling platform 3, a round nut 4 which is screwed on the T-shaped bolt 5 is screwed, the round nut 4 is pressed on the integral type tooling platform 3, and the integral type tooling platform 3 is fixed on the machine tool workbench 2.

The lower tooling plate 6 and the upright tooling column 8 are fixed by welding, and the upper tooling plate 9 and the upright tooling column 8 are also fixed by welding. The lower tooling plate 6 and the integral tooling platform 3 are fixed by tightening 4 uniformly distributed set screws 7 and matching with corresponding screw holes.

The main tooling cushion block 10 and the tooling upper plate 9 are fixed through a locking screw 11.

The earhole 100 at the lower part of the box body 1 is supported on the main tooling cushion block 10.

Each of the main tooling cushion blocks 10 is provided with a tooling side plate 12 at two sides, the main tooling cushion blocks 10 and the tooling side plates 12 are fixed by tightening two transverse fastening bolts 13 at the side surfaces, a transverse threaded hole is formed in the upper side of the tooling side plate 12 in advance, the tooling bolts 14 at the end faces of the earholes are screwed onto the upper side, the stretching length of the bolts is controlled by tightening the tooling bolts 14 at the end faces of the earholes, and therefore the tooling bolts 14 at the end faces of the earholes can be tightly contacted with the end faces of the earholes 100 below the box body 1, and the box body 1 is fixed.

The supporting tool cushion block 15 is placed on the main tool cushion block 10 for use, the supporting tool bolt 16 is screwed on a vertical threaded hole which is formed in advance in the supporting tool cushion block 15, the extending length of the supporting tool bolt 16 can be controlled by screwing the supporting tool bolt 16, one side of the tool pressing plate 17 is in back contact with the joint box surface of the box body 1, one side of the tool pressing plate 17 is in contact with the supporting tool bolt 16, a kidney-shaped hole is formed in the middle of the tool pressing plate 17 in advance, one side of the pressing plate tool bolt 19 is screwed on the threaded hole which is formed in advance in the main tool cushion block 10, the other side of the pressing plate tool bolt 19 penetrates through the kidney-shaped hole in the tool pressing plate 17, the round nut 18 is screwed on the pressing plate tool bolt 19, and the round nut 18 is pressed on the tool pressing plate 17 to press the joint box surface of the box body 1 through screwing the round nut 18, so that the box body 1 is fixed.

The L-shaped tooling cushion block 20 is placed on the main tooling cushion block 10, and the L-shaped tooling cushion block 20 is fixed on the main tooling cushion block 10 by screwing two vertical fastening bolts 21 to match corresponding screw holes. The upper part of the L-shaped tooling pad block 20 is provided with a transverse threaded hole in advance, the tooling bolt 22 on the side face of the earhole is screwed onto the transverse threaded hole, and the stretching length of the bolt is controlled by screwing the tooling bolt 22 on the side face of the earhole, so that the tooling bolt 22 on the side face of the earhole can be tightly contacted with the side face of the earhole 100 below the box body 1, and the box body 1 is fixed.

4 earholes 100 are arranged below the box body 1, so that 4 corresponding tool modules are needed.

The two frock stands 8 of side are connected through first supporting beam 31 and second supporting beam 32, and the respective both ends of first supporting beam 31 and second supporting beam 32 weld respectively on the frock stand 8 that is located both sides, can effectually improve the intensity of frock.

From the above, the lug hole end face tooling bolts 14 and the lug hole side face tooling bolts 22 on the two sides of the main tooling cushion block 10 jointly fix the lug holes 100 below the box body 1.

The box body with no process step below is directly placed on the V-shaped iron in the existing processing mode, then two sides of the box body are directly pressed through long tooling bolts and tooling pressing plates on two sides, after the box body is placed on the V-shaped iron, gaps possibly exist between the outline of the box body and the V-shaped iron, and uneven stress and unstable clamping are easily caused. The clamping mode of the tool is that the lower end face of the lug hole below the box body is directly placed on the tool cushion block, so that the stress is more uniform, and the clamping is more stable. And the correction of the workpiece before processing is more convenient. In addition, the length of the tooling bolts on the two sides is effectively shortened, the strength of the bolts is increased, the deformation of the tooling bolts on the two sides for compressing the box body is reduced, and the service life is prolonged.

The tool provided by the utility model has the advantages that:

1. the structure is simple, and the processing and the manufacturing are easy;

2. the universality is stronger, and the tooling cost is saved;

3. the operation can be carried out by a single person, so that the labor cost is reduced;

4. the clamping box body on the machine tool is not needed, and after a workpiece is clamped below the machine tool, the workpiece is integrally fixed on a workbench of the machine tool, so that the machining efficiency of the machine tool is effectively improved;

5. the length of the tooling bolts for the two side compression box bodies is effectively shortened, deformation is reduced, and the service lives of the tooling bolts are longer.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clamping frock that is used for no technology step box of wind-powered electricity generation gear box to process usefulness, its characterized in that: the lower part of the box body is provided with an ear hole; the tool is fixed on a machine tool workbench; the main tooling cushion block is fixed on the tooling; the earhole is arranged on the main tooling cushion block; two sides of the main tooling cushion block are respectively provided with a tooling side plate, the tooling side plates are fixed on the main tooling cushion block by transverse fastening bolts, and the tooling bolts at the end surfaces of the earholes pass through transverse threaded holes above the tooling side plates and then tightly contact with the end surfaces of the earholes; the support tool cushion block is placed on the main tool cushion block, and the support tool bolt is screwed in a vertical threaded hole on the support tool cushion block; one side of the tooling pressing plate is contacted with the back surface of the box closing surface of the box body, and the other side of the tooling pressing plate is contacted with the supporting tooling bolt; one side of a pressing plate tool bolt is screwed into a threaded hole in a main tool cushion block, the other side of the pressing plate tool bolt penetrates through a kidney-shaped hole in a tool pressing plate, and a nut screwed on the pressing plate tool bolt is tightly pressed on the tool pressing plate, so that the tool pressing plate tightly presses the box closing surface of the box body; the L-shaped tooling cushion block is placed on the main tooling cushion block, and is fixed onto the main tooling cushion block by a fastening bolt; the tooling bolts on the side surfaces of the earholes penetrate through the transverse threaded holes of the L-shaped tooling cushion blocks and then tightly abut against the side surfaces of the earholes.

2. The clamping tool for processing the step-free box body of the wind power gear box, as claimed in claim 1, is characterized in that: the integral type tool platform is placed on the machine tool workbench, a T-shaped head of a T-shaped bolt is arranged in a T-shaped groove on the machine tool workbench, the other side of the T-shaped bolt penetrates through a through hole on the integral type tool platform, and a nut is screwed on the T-shaped bolt and presses the integral type tool platform, so that the integral type tool platform is fixed on the machine tool workbench; the frock is fixed on integral frock platform.

3. The clamping tool for processing the step-free box body of the wind power gear box, as claimed in claim 2, is characterized in that: the tool lower plate and the tool upper plate of the tool are welded and fixed with the tool upright post respectively, and the tool lower plate and the integral tool platform are fixedly connected through corresponding screw holes matched with set screws.

4. The clamping tool for processing the step-free box body of the wind power gear box, as claimed in claim 1, is characterized in that: four frock correspond four earholes of box respectively, and adjacent frock stand is connected through first supporting beam and second supporting beam, and the respective both ends of first supporting beam and second supporting beam weld respectively on the frock stand that is located both sides.

5. The clamping tool for processing the step-free box body of the wind power gear box, as claimed in claim 1, is characterized in that: the main tooling cushion block is fixed on the tooling through a locking screw.