CN111890190A

CN111890190A - Lathe is used in processing of screw pump screw rod

Info

Publication number: CN111890190A
Application number: CN202010706734.7A
Authority: CN
Inventors: 姚茂
Original assignee: Changsha Huhang Metallurgical Equipment Co Ltd
Current assignee: Changsha Huhang Metallurgical Equipment Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-11-06

Abstract

The application relates to a lathe for processing a screw of a screw pump, which relates to the field of screw processing of screw pumps and comprises a lathe body, a three-jaw chuck arranged on the lathe body and used for clamping the screw, a first driving component arranged on the lathe body and used for driving the three-jaw chuck to rotate, a guide rail arranged on the lathe body, a tail frame arranged on the guide rail and used for jacking the screw, and a polishing device arranged on the lathe body; the polishing device comprises a base arranged on the lathe body, a support hinged on the base, a driving belt wheel rotationally connected with the support, a driven belt wheel rotationally connected with the support, a polishing belt wound on the driving belt wheel and the driven belt wheel and used for polishing the screw rod, and a second driving assembly arranged on the support and used for driving the driving belt wheel to rotate; the grinding belt is pressed above the screw. This application intensity when having reduced artifical screw pump screw rod of polishing.

Description

Lathe is used in processing of screw pump screw rod

Technical Field

The application relates to the field of screw rod processing of screw pumps, in particular to a lathe for screw rod processing of a screw pump.

Background

After the screw rod of the screw pump is turned by using the lathe, the screw rod needs to be manually polished, and the labor intensity is high in the manual polishing process due to the fact that the surface area of the screw rod of the screw pump is large.

Disclosure of Invention

In order to reduce the intensity of artifical when polishing the screw pump screw rod, this application provides a lathe is used in screw pump screw rod processing.

The application provides a pair of lathe is used in screw pump screw rod processing adopts following technical scheme:

a lathe for processing a screw of a screw pump comprises a lathe body, a three-jaw chuck arranged on the lathe body and used for clamping the screw, a first driving assembly arranged on the lathe body and used for driving the three-jaw chuck to rotate, a guide rail arranged on the lathe body, a tail frame arranged on the guide rail and used for jacking the screw, and a polishing device arranged on the lathe body;

the polishing device comprises a base, a support, a driving belt wheel, a driven belt wheel, a polishing belt and a second driving assembly, wherein the base is arranged on the lathe body and is in sliding connection with the guide rail;

one end of the bracket is hinged with the base, and the other end of the bracket is a free end;

the grinding belt is pressed above the screw.

By adopting the technical scheme, the screw rod is clamped on the three-jaw chuck, the tail frame is slid on the guide rail to tightly push the screw rod, the first driving component is started, so that the screw rod is driven by the first driving component through the three-jaw chuck to rotate, the second driving component is started while the first driving component is started by arranging the polishing device on the lathe, the polishing belt is pressed on the screw rod due to the gravity of the polishing belt in the rotating process of the screw rod, the second driving component drives the polishing belt to rotate through the driving belt wheel and the driven belt wheel, one end of the bracket is hinged on the base, the other end of the bracket is a free end, so that the polishing belt drives the spiral line on the screw rod to fluctuate up and down in the rotating process of the screw rod, the free end of the bracket fluctuates up and down along with the grinding belt, but the polishing belt is always in contact with the surface of the screw rod, so as to polish the surface of the screw rod, when the belt of polishing is polished to different positions on the screw rod, the position of the base on the guide rail is adjusted, the surface of the screw rod is polished by the belt of polishing, partial manual polishing is replaced, and the labor intensity of workers is reduced.

Preferably, the polishing device further comprises a buffering component arranged on the base and used for buffering the polishing belt.

Through adopting above-mentioned technical scheme, through setting up the buffering subassembly on the base, thereby the free end at the support provides a buffering effort for the support at the in-process that descends, because the support is at the in-process that fluctuates from top to bottom, the support can pass through the minimum, if only utilize the effort that the screw rod provided to the area of polishing to make the support change into ascending trend by decurrent trend of motion, make the area of polishing fracture easily, thereby utilize the buffering subassembly to provide a cushion effect for the support, make the effort that the screw rod provided to the area of polishing less, the cracked risk of area of polishing has been reduced.

Preferably, the buffer assembly comprises a buffer spring arranged on the base, a limiting rod arranged on the base and used for limiting the buffer spring, and a buffer plate arranged on the bracket;

the limiting rod penetrates through the buffer spring;

the buffer plate is pressed on the buffer spring.

Through adopting above-mentioned technical scheme, at the support in-process that descends, the support can be gradually contact with buffer spring, and buffer spring can provide a reaction force for the support and make the support change motion state, makes by the gradual ascending motion state that changes of decurrent motion state, has reduced the screw rod and has reduced the cracked risk of polishing the area for the reaction force that the area provided of polishing.

Preferably, the buffer plate is provided with a limiting hole;

the limiting rod penetrates through the limiting hole.

Through adopting above-mentioned technical scheme, through seting up spacing hole on the buffer board to utilize on the buffer board and restrict the side to side swing of support with the gag lever post, reduced the screw rod and the in-process that the area contacted of polishing, the rocking nature of support makes the area of polishing can be better polish to the surface of screw rod, reduces the step of artifical polishing, has reduced staff's intensity of labour.

Preferably, the limit hole is opened to the edge of the buffer plate to form a notch.

Through adopting above-mentioned technical scheme, form the opening through the edge of seting up the buffer board with spacing hole to the limiting plate of being convenient for and the equipment and the dismantlement of gag lever post reduce the intensity of labour when the staff dismantles the buffering subassembly.

Preferably, the bracket comprises a bracket body and an adjusting plate which is detachably connected and installed on the bracket;

the driven belt wheel is arranged on the adjusting plate;

a plurality of mounting holes are formed in the adjusting plate, and the adjusting plate is mounted on the support body through different mounting holes and used for adjusting the distance between the driven belt wheel and the driving belt wheel.

Through adopting above-mentioned technical scheme, fix the regulating plate on the support through utilizing different mounting holes to carry out the distance between driven pulleys and the driving pulley and adjust the rate of tension of polishing the area, make the surface to the screw pump screw rod that the area of polishing can be better polish, reduce artificial polishing, reduced staff's intensity of labour.

Preferably, the adjusting plate is provided with a waist-shaped hole;

the rotating shaft of the driven pulley penetrates through the waist-shaped hole, and the distance between the driven pulley and the driving pulley can be adjusted by adjusting different positions in the waist-shaped hole.

By adopting the technical scheme, the tightness of the polishing belt is adjusted by adjusting the positions of the waist-shaped holes in the driven belt wheel adjusting plate, so that the surface of the screw rod of the screw pump can be better polished by the polishing belt by adjusting the distance between the driven belt wheel and the driving belt wheel, the manual polishing is reduced, and the labor intensity of workers is reduced.

Preferably, the base is provided with a blower;

and the air outlet of the air blower faces the screw.

Through adopting above-mentioned technical scheme, through setting up the air-blower on the base to make the area of polishing to the surface of screw rod after polishing, the sweeps is blown away, thereby is convenient for polish take subsequent surface to the screw rod and polishes.

In summary, the present application includes at least one of the following beneficial technical effects:

1. clamping a screw on a three-jaw chuck, then tightly pushing the screw by sliding a tail frame on a guide rail, then starting a first driving component, so that the first driving component drives the screw to rotate through the three-jaw chuck, starting a second driving component while starting the first driving component by arranging a grinding device on a lathe, wherein in the process of rotating the screw, a grinding belt is pressed on the screw due to the gravity of the grinding belt, the second driving component drives the grinding belt to rotate through a driving belt wheel and a driven belt wheel, and one end of a bracket is hinged on a base, while the other end is a free end, so that in the process of rotating the screw, the grinding belt drives a spiral line on the screw to fluctuate up and down, the free end of the bracket also fluctuates up and down along with the grinding belt, but the grinding belt is always in contact with the surface of the screw, so as to grind the surface of the screw, when the belt of polishing is polished to different positions on the screw rod, the position of the base on the guide rail is adjusted, the surface of the screw rod is polished by the belt of polishing, partial manual polishing is replaced, and the labor intensity of workers is reduced.

2. Through setting up the buffering subassembly on the base to the free end at the support provides a buffering effort at the in-process that descends for the support, because the support is at the in-process that fluctuates from top to bottom, the support can pass through the minimum, if only utilize the effort that the screw rod provided to the area of polishing to make the support change into ascending trend of motion by decurrent trend, make the area of polishing easily break, thereby utilize the buffering subassembly to provide a cushion effect for the support, make the effort that the screw rod provided to the area of polishing less, the cracked risk of area of polishing has been reduced.

3. Through the different positions in the waist shape hole on the adjustment plate of the driven pulley, the tensity of the polishing belt is adjusted through adjusting the distance between the driven pulley and the driving pulley, so that the polishing belt can polish the surface of the screw rod of the screw pump better, manual polishing is reduced, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is an isometric view of the overall structure of an embodiment of the present application.

Figure 2 is another isometric view of the overall structure of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a polishing device and a buffer assembly in an embodiment of the present application.

Description of reference numerals: 100. a screw; 1. a lathe body; 2. a three-jaw chuck; 3. a first drive assembly; 4. a guide rail; 5. a tailstock; 6. a polishing device; 61. a base; 62. a support; 621. a stent body; 622. an adjusting plate; 6221. mounting holes; 6222. a waist-shaped hole; 63. a driving pulley; 64. a driven pulley; 65. polishing the belt; 66. a second drive assembly; 7. a buffer assembly; 71. a buffer spring; 72. a limiting rod; 73. a buffer plate; 731. a limiting hole; 8. a blower.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a lathe is used in processing of screw pump screw rod.

Referring to fig. 1 and 2, the lathe includes a lathe body 1, a three-jaw chuck 2 provided on the lathe body 1, a first driving assembly 3 provided on the lathe body 1 for driving the three-jaw chuck 2, a guide rail 4 provided on the lathe body 1, a tailstock 5 provided on the guide rail 4, and a grinding device 6 provided on the lathe body 1 and slidably connected to the guide rail 4.

The staff presss from both sides the screw rod 100 of screw pump tightly on three-jaw chuck 2, then adjust the position of tailstock 5 on guide rail 4, make tailstock 5 push up screw rod 100 tightly on three-jaw chuck 2, then start first drive assembly 3, first drive assembly 3 drives screw rod 100 through three-jaw chuck 2 and rotates, in screw rod 100 carries out the pivoted in-process, grinding device 6 polishes the surface of screw rod 100, when the surface of different positions on screw rod 100 needs to be polished, grinding device 6 slides on guide rail 4, adjust different positions of grinding device 6 on guide rail 4, thereby polish the surface of different positions on screw rod 100.

First drive assembly 3 includes motor and reduction gear, and the output of motor is connected with the input of reduction gear, and the output and the three-jaw chuck 2 of reduction gear are connected, and the shell flange mounting of reduction gear is on lathe body 1, and the motor drives three-jaw chuck 2 through the reduction gear and rotates, then three-jaw chuck 2 drives screw rod 100 and rotates, then grinding device 6 polishes the surface of screw rod 100.

The number of the guide rails 4 is two, the two guide rails 4 are arranged on the lathe body 1 in parallel, and the tailstock 5 and the grinding device 6 can slide on the guide rails 4.

The tailstock 5 can be fixed on the lathe body 1 by using bolts, the tailstock 5 consists of a frame body and a tailstock body in threaded connection, the tailstock is coaxial with the three-jaw chuck 2, the tailstock is tightly pushed up by the tail of the screw rod 100 by rotating the tailstock, so that the screw rod 100 which is long is tightly pushed up by the tailstock and the three-jaw chuck 2, and the surface of the screw rod 100 is polished by the polishing device 6 which is convenient to polish.

Referring to fig. 1 and 3, the grinding device 6 includes a base 61, a bracket 62 hinged to the base 61, a driving pulley 63 provided on the bracket 62, a driven pulley 64 provided on the bracket 62, a grinding belt 65 wound around the driving pulley 63 and the driven pulley, and a second driving assembly 66 provided on the bracket 62.

The base 61 is arranged on the lathe body 1, the bottom of the base 61 is slidably connected with the guide rail 4, and when the surfaces of different positions on the screw 100 need to be polished, the position of the base 61 on the lathe body 1 can be adjusted through the guide rail 4.

One end of support 62 is articulated with base 61, and the one end of keeping away from the hinged end on the support 62 is the free end, and whole support 62 can rotate along the hinged end of support 62 with base 61. The holder 62 includes a holder body 621 and an adjustment plate 622 provided on the holder body 621, and the adjustment plate 622 is fixed to the holder body 621 by using bolts.

Drive pulley 63 installs on support body 621, drive pulley 63's pivot is fixed on support body 621, driven pulley 64 installs on regulating plate 622, driven pulley 64's pivot is fixed on regulating plate 622, the tensioning of belt 65 of polishing is twined on drive pulley 63 and driven pulley 64, second drive assembly 66 includes motor and reduction gear, the output of motor is connected with the input of reduction gear, the output and the drive pulley 63 of reduction gear are connected, the motor drives drive pulley 63 through the reduction gear and rotates, drive pulley 63 drives belt 65 and driven pulley 64 and rotates in the pivoted process.

When the polishing device is used, the bottom of the polishing belt 65 is pressed on the surface of the screw 100, the free end of the support 62 is located above the screw 100, and the support 62 and the base 61 form an included angle, so that in the rotating process of the screw 100, the screw 100 can drive the polishing belt 65 to change, the polishing belt 65 can drive the support 62 to move up and down, the self gravity of the support 62 is utilized to form pressing force on the screw 100, and the surface of the screw 100 is polished. The polishing belt 65 can continuously polish the surface of the same position on the screw 100, the polishing belt 65 rotates at the moment, the screw 100 is repeatedly polished at different positions on the polishing belt 65, the wear rate of the polishing belt 65 is reduced, different positions of the screw 100 need to be polished, and the position of the base 61 on the lathe body 1 is adjusted.

In order to adjust the tension degree of the polishing belt 65, a plurality of mounting holes 6221 are formed in the adjusting plate 622, and when the adjusting plate 622 is mounted on the bracket body 621, the screw rod passes through different mounting holes 6221 to adjust the position of the driven pulley 64, so as to adjust the distance between the driven pulley 64 and the driving pulley 63, and further adjust the tension degree of the polishing belt 65 on the driving pulley 63 and the driven pulley 64.

When the tensioning degree of the polishing belt 65 needs to be finely adjusted, in order to facilitate the adjustment of the tensioning degree of the polishing belt 65 by a worker, the adjusting plate 622 is provided with a waist-shaped hole 6222, the rotating shaft of the driven pulley 64 penetrates through the waist-shaped hole 6222, and then the driven pulley 64 is fixed on the adjusting plate 622 by using locking members such as nuts and the like and the rotating shaft of the driven pulley 64 in threaded connection. When the tightness of the grinding belt 65 needs to be finely adjusted, the rotation of the driven pulley 64 only needs to be adjusted at different positions in the waist-shaped hole 6222, the adjusting plate 622 is not detached by a worker for re-fixing, and the labor intensity of the worker is reduced.

When the screw 100 rotates and the polishing belt 65 polishes the surface of the screw 100, the polishing belt 65 may move up and down, so that when the downward movement of the polishing belt 65 is converted into the upward movement, the screw 100 may provide an acting force to the polishing belt 65, which makes the polishing belt 65 easily break when the screw 100 is polished.

Referring to fig. 1 and 3, in order to reduce the risk of breakage of the screw 100 when the grinding belt 65 grinds the screw, a cushioning assembly 7 for cushioning the bracket 62 is provided on the base 61. The buffer assembly 7 comprises a buffer spring 71 arranged on the base 61, a limit rod 72 arranged on the base 61 and used for limiting the buffer spring 71, and a buffer plate 73 arranged on the bracket 62.

Gag lever post 72 is fixed on base 61, buffer spring 71 wears to establish on gag lever post 72, buffer spring 71's bottom is put on base 61, under natural state, the bottom of buffer board 73 compresses tightly on buffer spring 71, in order to avoid buffer board 73 to drop from buffer spring 71, spacing hole 731 has been seted up on buffer board 73, gag lever post 72 passes spacing hole 731, and be convenient for constitute buffer board 73 and gag lever post 72, when seting up spacing hole 731 on buffer board 73, set up formation opening along the edge of buffer board 73 with spacing hole 731.

After the limiting rod 72 passes through the limiting hole 731, the limiting rod 72 can limit the buffer plate 73 through the limiting hole 731, and the buffer plate 73 is prevented from moving laterally along the axial direction of the screw 100.

When the belt 65 of polishing is polished screw 100, in order to make the sweeps that belt 65 of polishing polished drop in time, install air-blower 8 on base 61, on the bottom of air-blower 8 rotated and connects base 61, when belt 65 of polishing was polished different positions on screw 100, thereby blast air to the difference through rotating air-blower 8.

Referring to fig. 2, when in use, the screw 100 is fixed, the polishing belt 65 is wound on the driving pulley 63 and the driven pulley 64, the position of the driven pulley 64 on the adjusting plate 622 is adjusted to tension the polishing belt, the polishing belt 65 is not easy to be over-tightened, the buffer spring 71 is arranged on the limiting rod 72 in a penetrating manner, the limiting hole 731 of the buffer plate 73 is arranged on the limiting rod 72 in a penetrating manner, the bottom of the buffer plate 73 is pressed on the buffer spring 71, then the motors of the first driving assembly 3 and the second driving assembly 66 are started to polish the screw 100 by the polishing belt 65, then the blower 8 is turned on, when polishing the screws 100 with different sizes, in addition to adjusting the position of the driven pulley 64 on the adjusting plate 622 or adjusting the position of the adjusting plate 622 on the bracket body 621, a worker needs to replace the buffer springs 71 with different heights to adapt to the front and back height change of the polishing belt 65, the height of the cushion spring 71 can be adjusted by increasing or decreasing the pad at the bottom of the cushion spring 71.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw pump is lathe for screw rod processing which characterized in that: the lathe comprises a lathe body (1), a three-jaw chuck (2) arranged on the lathe body (1) and used for clamping a screw, a first driving component (3) arranged on the lathe body (1) and used for driving the three-jaw chuck (2) to rotate, a guide rail (4) arranged on the lathe body (1), a tail frame (5) arranged on the guide rail (4) and used for tightly pushing the screw, and a polishing device (6) arranged on the lathe body (1);

the grinding device (6) comprises a base (61) arranged on the lathe body (1) and connected with the guide rail (4) in a sliding mode, a support (62) hinged to the base (61), a driving pulley (63) rotationally connected with the support (62), a driven pulley (64) rotationally connected with the support (62), a grinding belt (65) wound on the driving pulley (63) and the driven pulley (64) and used for grinding the screw rod, and a second driving assembly (66) arranged on the support (62) and used for driving the driving pulley (63) to rotate;

one end of the support (62) is hinged with the base (61), and the other end of the support is a free end;

the grinding belt (65) is pressed above the screw.

2. The lathe for processing the screw rod of the screw pump according to claim 1, wherein: the polishing machine also comprises a buffer component (7) which is arranged on the base (61) and is used for buffering the polishing belt (65).

3. The lathe for processing the screw rod of the screw pump according to claim 2, wherein: the buffer assembly (7) comprises a buffer spring (71) arranged on the base (61), a limiting rod (72) arranged on the base (61) and used for limiting the buffer spring (71), and a buffer plate (73) arranged on the support (62);

the limiting rod (72) penetrates through the buffer spring (71);

the buffer plate (73) is pressed against the buffer spring (71).

4. The lathe for processing the screw rod of the screw pump according to claim 3, wherein: a limiting hole (731) is formed in the buffer plate (73);

the limiting rod (72) penetrates through the limiting hole (731).

5. The lathe for processing the screw rod of the screw pump according to claim 4, wherein: the limiting hole (731) is formed to the edge of the buffer plate (73) to form a notch.

6. The lathe for processing the screw rod of the screw pump according to claim 1, wherein: the bracket (62) comprises a bracket body (621) and an adjusting plate (622) which is detachably connected and installed on the bracket (62);

the driven belt wheel (64) is arranged on the adjusting plate (622);

the adjusting plate (622) is provided with a plurality of mounting holes (6221), and the adjusting plate (622) is mounted on the bracket body (621) through different mounting holes (6221) and used for adjusting the distance between the driven belt wheel (64) and the driving belt wheel (63).

7. The lathe for processing the screw rod of the screw pump according to claim 6, wherein: a waist-shaped hole (6222) is formed on the adjusting plate (622);

the rotating shaft of the driven pulley (64) penetrates through the waist-shaped hole (6222), and the distance between the driven pulley (64) and the driving pulley (63) can be adjusted by adjusting different positions in the waist-shaped hole (6222) of the driven pulley (64).

8. The lathe for processing the screw rod of the screw pump according to claim 1, wherein: the base (61) is provided with an air blower (8);

and the air outlet of the blower (8) faces the screw.