CN216939783U

CN216939783U - Grinding fixture for turbine shaft production

Info

Publication number: CN216939783U
Application number: CN202220071608.3U
Authority: CN
Inventors: 顾克春
Original assignee: Wuxi Boying Power Technology Co ltd
Current assignee: Wuxi Boying Power Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-12
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a grinding fixture for turbine shaft production, which comprises a supporting plate, wherein a control box is fixedly installed on the left side of the top of the supporting plate, a three-jaw chuck is fixedly installed on the right side of the control box, a turbine shaft lever is arranged on the right side of the three-jaw chuck, a moving box is transversely connected on the right side of the top of the supporting plate in a sliding mode, an ejector rod in contact with the right end of the turbine shaft lever is connected to the left side of the moving box in a threaded mode, sliding openings are formed in the front side and the rear side of the two sides of the moving box, and clamping plates in vertical sliding connection with the sliding openings are arranged on the top and the bottom of the left side of the moving box. The utility model solves the problems that the traditional grinding clamp is not provided with a structure for assisting in supporting and limiting a turbine shaft and is easy to cause workpiece deformation and damage phenomena in serious cases because the impact force on the turbine shaft is larger during grinding because the traditional grinding clamp is used in cooperation with the supporting plate, the control box, the three-jaw chuck, the turbine shaft rod, the moving box, the ejector rod, the sliding opening and the clamping plate.

Description

Grinding fixture for turbine shaft production

Technical Field

The utility model relates to the technical field of turbine shaft production, in particular to a grinding clamp for turbine shaft production.

Background

The turbine shaft looks like a simple metal tube, but actually, the turbine shaft is a precision part with 120000-160000 rpm rotation and ultrahigh temperature, so a grinding clamp is used in the production of the turbine shaft, the grinding clamp usually adopts a two-thimble clamping method to support two ends of the turbine shaft, but the existing grinding clamp has large impact force on the turbine shaft during grinding, the grinding clamp does not have a structure for assisting in supporting and limiting the turbine shaft, and the phenomenon that a workpiece is deformed and damaged easily occurs in severe cases.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a grinding clamp for producing a turbine shaft, which has the advantage of auxiliary limiting and solves the problems that the existing grinding clamp has large impact force on the turbine shaft during grinding, the grinding clamp does not have a structure for supporting and limiting the turbine shaft, and the workpiece is easy to deform and damage in severe cases.

In order to achieve the purpose, the utility model provides the following technical scheme: a grinding clamp for turbine shaft production comprises a support plate;

a control box is fixedly arranged on the left side of the top of the supporting plate, a three-jaw chuck is fixedly arranged on the right side of the control box, a turbine shaft lever is arranged on the right side of the three-jaw chuck, a moving box is transversely and slidably connected to the right side of the top of the supporting plate, an ejector rod in contact with the right end of the turbine shaft lever is in threaded connection with the left side of the moving box, sliding ports are respectively formed in the front side and the rear side of the two sides of the moving box, clamping plates in vertical sliding connection with the sliding ports are respectively arranged at the top and the bottom of the left side of the moving box, a driving two-way screw rod in threaded connection with the inside of the clamping plates is movably connected to the front side of the top of the moving box, a driven two-way screw rod in threaded connection with the inside of the clamping plates is movably connected to the rear side of the top of the turbine shaft lever, an upper half bearing cover is movably connected to the right side of the bottom of the turbine shaft lever, last half bearing cap and lower half bearing cap are close to one side of clamp plate and the fixed surface installation of clamp plate, the front and the equal fixedly connected with connecting block in the back of last half bearing cap, the front and the equal fixedly connected with in the back of lower half bearing cap and connecting block swing joint's chucking piece, there is the motor front side at removal roof portion through support frame fixed mounting, the output of motor and the top fixed connection of initiative two-way screw rod, the surface of initiative two-way screw rod is passed through the belt and is connected with the surface transmission of driven two-way screw rod with the band pulley.

Preferably, the bottom of the upper half bearing cover and the top of the lower half bearing cover are both provided with a buffer pad, and the thickness of the buffer pad is zero five millimeters.

Preferably, the front side and the rear side of the right side of the control box are both fixedly connected with a limiting rod, and the right end of the limiting rod penetrates through the right side of the movable box.

Preferably, the right end of the limiting rod is movably connected with a fixing plate, and the bottom of the fixing plate is fixedly connected with the top of the supporting plate.

Preferably, the front side and the rear side of the inner wall of the sliding opening are both provided with a sliding groove, and the front side and the back side of the clamping plate are respectively connected with the inner wall of the sliding groove in a sliding manner through a sliding block.

Preferably, the top end of the driven bidirectional screw is movably connected with a support frame, and the bottom of the support frame is fixedly installed with the top of the movable box.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model solves the problems that the traditional grinding clamp is not provided with a structure for assisting in supporting and limiting a turbine shaft and is easy to cause workpiece deformation and damage phenomena in serious cases because the impact force on the turbine shaft is larger during grinding because the traditional grinding clamp is used in cooperation with the supporting plate, the control box, the three-jaw chuck, the turbine shaft rod, the moving box, the ejector rod, the sliding opening and the clamping plate.

2. According to the utility model, the cushion pad is arranged, so that the gap between the upper half bearing cover and the lower half bearing cover when the upper half bearing cover and the lower half bearing cover are connected can be reduced, and the stability of the upper half bearing cover and the lower half bearing cover when the upper half bearing cover and the lower half bearing cover are connected is further improved.

3. The limiting rod is arranged, so that the movable box can be limited, the stability of the movable box during transverse movement is improved, and the phenomenon that the movable box shakes in the movement process is avoided.

4. According to the utility model, the fixing plate is arranged, so that the right end of the limiting rod can be limited, and the right end of the limiting rod is not easy to shake.

5. According to the utility model, the sliding groove is arranged, so that the stability of the clamping plate can be further improved through the sliding block, and the clamping plate can stably slide up and down in the sliding opening.

6. According to the utility model, the supporting frame is arranged, so that the top end of the driven bidirectional screw can be limited, and the stability of the top end of the driven bidirectional screw is increased.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic right-side view of the structural mobile bin of the present invention;

figure 3 is a perspective view of a structural connector block of the present invention.

In the figure: 1. a support plate; 2. a control box; 3. a three-jaw chuck; 4. a turbine shaft lever; 5. a mobile box; 6. a top rod; 7. a sliding port; 8. a clamping plate; 9. an active bidirectional screw; 10. a driven bidirectional screw; 11. an upper half bearing cap; 12. a lower half bearing cap; 13. connecting blocks; 14. a clamping block; 15. a motor; 16. a cushion pad; 17. a limiting rod; 18. a fixing plate; 19. a sliding groove; 20. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the grinding jig for turbine shaft production provided by the present invention comprises a support plate 1;

a control box 2 is fixedly arranged on the left side of the top of a support plate 1, a three-jaw chuck 3 is fixedly arranged on the right side of the control box 2, a turbine shaft lever 4 is arranged on the right side of the three-jaw chuck 3, a moving box 5 is transversely and slidably connected on the right side of the top of the support plate 1, an ejector rod 6 in contact with the right end of the turbine shaft lever 4 is in threaded connection with the left side of the moving box 5, sliding openings 7 are respectively formed in the front side and the rear side of the two sides of the moving box 5, a clamping plate 8 in vertical sliding connection with the sliding openings 7 is respectively arranged at the top and the bottom of the left side of the moving box 5, a driving bidirectional screw 9 in threaded connection with the inside of the clamping plate 8 is movably connected on the front side of the top of the moving box 5, a driven bidirectional screw 10 in threaded connection with the inside of the clamping plate 8 is movably connected on the rear side of the top of the moving box 5, an upper half bearing cover 11 is movably connected on the right side of the top of the turbine shaft lever 4, a lower half bearing cover 12 is movably connected on the right side of the bottom of the turbine shaft lever 4, one side that first half bearing cap 11 and lower half bearing cap 12 are close to clamp plate 8 and the fixed surface installation of clamp plate 8, the equal fixedly connected with connecting block 13 in front and the back of first half bearing cap 11, the equal fixedly connected with in front and the back of lower half bearing cap 12 and connecting block 13 swing joint's chucking piece 14, there is motor 15 in the front side at removal box 5 top through support frame 20 fixed mounting, the output of motor 15 and the top fixed connection of initiative two-way screw rod 9, the surface of initiative two-way screw rod 9 is passed through the belt and is connected with the surface transmission of driven two-way screw rod 10 with the band pulley.

Referring to fig. 1, the bottom of the upper half bearing cap 11 and the top of the lower half bearing cap 12 are provided with a cushion pad 16, and the thickness of the cushion pad 16 is zero five millimeters.

As a technical optimization of the present invention, by providing the cushion pad 16, the gap between the upper half bearing cap 11 and the lower half bearing cap 12 when they are connected can be reduced, and the stability of the upper half bearing cap 11 and the lower half bearing cap 12 when they are connected can be further improved.

Referring to fig. 1, a limiting rod 17 is fixedly connected to both the front side and the rear side of the right side of the control box 2, and the right end of the limiting rod 17 penetrates to the right side of the movable box 5.

As a technical optimization scheme of the utility model, the limiting rod 17 is arranged to limit the movable box 5, so that the stability of the movable box 5 during transverse movement is improved, and the phenomenon that the movable box 5 shakes during movement is avoided.

Referring to fig. 1, the right end of the limiting rod 17 is movably connected with a fixing plate 18, and the bottom of the fixing plate 18 is fixedly connected with the top of the supporting plate 1.

As a technical optimization scheme of the utility model, the right end of the limiting rod 17 can be limited by arranging the fixing plate 18, so that the right end of the limiting rod 17 is not easy to shake.

Referring to fig. 1, the front side and the rear side of the inner wall of the sliding opening 7 are both provided with a sliding groove 19, and the front side and the back side of the clamping plate 8 are respectively connected with the inner wall of the sliding groove 19 in a sliding manner through a sliding block.

As a technical optimization of the present invention, by providing the slide groove 19, the stability of the clamp plate 8 can be further improved by the slide block, and the clamp plate 8 can be stably slid up and down inside the slide opening 7.

Referring to fig. 2, a supporting frame 20 is movably connected to the top end of the driven bidirectional screw 10, and the bottom of the supporting frame 20 is fixedly mounted on the top of the movable box 5.

As a technical optimization scheme of the utility model, the support frame 20 is arranged, so that the top end of the driven bidirectional screw 10 can be limited, and the stability of the top end of the driven bidirectional screw 10 is increased.

The working principle and the using process of the utility model are as follows: when the turbine shaft lever 4 is required to be clamped by a user, the left end of the turbine shaft lever 4 is clamped by the three-jaw chuck 3, the ejector rod 6 is rotated, the right end of the ejector rod 6 is tightly pressed against the right end of the turbine shaft lever 4, the motor 15 is started, the motor 15 drives the driving bidirectional screw 9 to rotate and simultaneously drives the driven bidirectional screw 10 to rotate synchronously through the belt and the belt wheel, the driving bidirectional screw 9 and the driven bidirectional screw 10 rotate and simultaneously drive the clamping plate 8 limited by the sliding opening 7 to push the upper half bearing cover 11 and the lower half bearing cover 12, the inner walls of the upper half bearing cover 11 and the lower half bearing cover 12 are both contacted with the surface of the turbine shaft lever 4, the bottom of the connecting block 13 penetrates through the clamping block 14 and extends to the bottom of the clamping block 14, and the upper half bearing cover 11 and the lower half bearing cover 12 are stably contacted with the surface of the turbine shaft lever 4, the driving bidirectional screw 9 and the driven bidirectional screw 10 continuously drive the clamping plate 8 to push the upper half bearing cover 11 and the lower half bearing cover 12, so that the upper half bearing cover 11 and the lower half bearing cover 12 are in a clearance fit state, the stability of the turbine shaft lever 4 in rotation at the bottom of the upper half bearing cover 11 and the top of the lower half bearing cover 12 can be guaranteed, the right side of the surface of the turbine shaft lever 4 is supported and limited, and the auxiliary limiting effect is achieved.

In summary, the following steps: this grinding anchor clamps are used in turbine shaft production through the cooperation that sets up backup pad 1, control box 2, three-jaw chuck 3, turbine shaft pole 4, removal case 5, ejector pin 6, sliding port 7 and clamp plate 8 and use, has solved current grinding anchor clamps because the impact force to the turbine shaft is great during the grinding, and grinding anchor clamps do not possess the supplementary structure that supports and spacing to the turbine shaft, lead to the problem of work piece deformation and damage phenomenon easily when serious.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A grinding clamp for turbine shaft production comprises a support plate (1);

the method is characterized in that: a control box (2) is fixedly installed on the left side of the top of the supporting plate (1), a three-jaw chuck (3) is fixedly installed on the right side of the control box (2), a turbine shaft lever (4) is arranged on the right side of the three-jaw chuck (3), a moving box (5) is transversely connected on the right side of the top of the supporting plate (1) in a sliding manner, an ejector rod (6) in contact with the right end of the turbine shaft lever (4) is connected on the left side of the moving box (5) in a threaded manner, sliding openings (7) are respectively formed in the front side and the rear side of the two sides of the moving box (5), a clamping plate (8) vertically connected with the sliding openings (7) in a sliding manner is respectively arranged at the top and the bottom of the left side of the moving box (5), a driving bidirectional screw rod (9) in threaded connection with the clamping plate (8) is movably connected at the front side of the top of the moving box (5), a driven bidirectional screw rod (10) in threaded connection with the clamping plate (8) is movably connected at the rear side of the top of the moving box (5), the right side of the top of the turbine shaft lever (4) is movably connected with an upper half bearing cover (11), the right side of the bottom of the turbine shaft lever (4) is movably connected with a lower half bearing cover (12), one side of the upper half bearing cover (11) and one side of the lower half bearing cover (12) close to the clamping plate (8) are fixedly arranged on the surface of the clamping plate (8), the front and the back of the upper half bearing cover (11) are both fixedly connected with connecting blocks (13), the front and the back of the lower half bearing cover (12) are both fixedly connected with clamping blocks (14) which are movably connected with the connecting blocks (13), the front side of the top of the movable box (5) is fixedly provided with a motor (15) through a support frame (20), the output end of the motor (15) is fixedly connected with the top end of the driving bidirectional screw (9), the surface of the driving bidirectional screw (9) is in transmission connection with the surface of the driven bidirectional screw (10) through a belt and a belt wheel.

2. The grinding jig for the production of turbine shafts of claim 1, characterized in that: the bottom of the upper half bearing cover (11) and the top of the lower half bearing cover (12) are both provided with cushion pads (16), and the thickness of the cushion pads (16) is zero point five millimeters.

3. The grinding jig for the production of turbine shafts of claim 1, characterized in that: the front side and the rear side on control box (2) right side are both fixedly connected with limiting rod (17), and the right end of limiting rod (17) runs through to the right side of moving box (5).

4. The grinding jig for the production of turbine shafts of claim 3, characterized in that: the right end of the limiting rod (17) is movably connected with a fixing plate (18), and the bottom of the fixing plate (18) is fixedly connected with the top of the supporting plate (1).

5. The grinding jig for the production of a turbine shaft of claim 1, characterized in that: sliding grooves (19) are formed in the front side and the rear side of the inner wall of the sliding opening (7), and the front side and the back side of the clamping plate (8) are connected with the inner wall of each sliding groove (19) in a sliding mode through sliding blocks.

6. The grinding jig for the production of turbine shafts of claim 1, characterized in that: the top end of the driven bidirectional screw (10) is movably connected with a support frame (20), and the bottom of the support frame (20) is fixedly installed with the top of the movable box (5).