CN214185563U

CN214185563U - Beveling machine with adjustable guide clearance

Info

Publication number: CN214185563U
Application number: CN202022709075.0U
Authority: CN
Inventors: 张志强; 吕集刚
Original assignee: Jichuang Machinery Manufacturing Wuxi Co ltd
Current assignee: Jichuang Machinery Manufacturing Wuxi Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-09-14
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an adjustable direction clearance's of petrochemical field beveling machine, including main shaft box, adjusting screw and adjustment shell fragment, there is the box upper cover main shaft box top through the screw connection, the main shaft box with box upper cover middle part is provided with the main shaft, main shaft cavity design, the inside locking dabber that is provided with of main shaft, equidistant distribution is provided with three guide plane on the main shaft outer wall, lie in on the box upper cover inner wall main epaxial three guide plane one side all is provided with the adjustment shell fragment, the adjustment shell fragment outside is provided with adjusting screw, adjusting screw with the box upper cover passes through threaded connection.

Description

Beveling machine with adjustable guide clearance

Technical Field

The utility model relates to a petrochemical field specifically is adjustable guiding clearance's beveling machine.

Background

In the petrochemical industry, the method aims at on-site cold processing of pipelines, and particularly aims at overhauling of large-sized tanks or pipelines of equipment which are already in service for many years. For pipelines in the petrochemical industry, cutting of the pipelines and prefabrication of welding grooves are needed before welding so as to guarantee welding quality, if a groove machine is not adopted, flame cutting is often adopted, manual polishing is carried out, the quality is poor, the efficiency is low, and chamfering processing is needed to be carried out on the pipelines by the groove machine.

The axial feeding of the traditional beveling machine adopts thread feeding, and the guiding adopts a key groove or a spline groove, but because the field condition is poor, the iron chips and dust are more during beveling, and the general lubricating condition is not good, so that the guiding mechanism is often worn after being in service for a period of time, the guiding clearance is too large, the equipment generates vibration during processing, the surface quality of the beveling is seriously influenced, and the driving gear teeth can be broken in serious cases. In addition, when the shaft diameter is small, the split guide key groove has large weakening on the shaft, and the strength of the shaft is influenced. Accordingly, those skilled in the art have provided beveling machines with adjustable guide gaps to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable guide gap's beveling machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the beveling machine with the adjustable guide clearance comprises a main shaft box body, an adjusting screw and an adjusting elastic sheet, wherein a box body upper cover is connected above the main shaft box body through the screw; the upper portion of main shaft has the direction plane of three equipartitions, the direction plane with the cooperation of box upper cover, the adjustment shell fragment with the box upper cover is same part, lets it produce the adjustment clearance through the line cutting, through adjusting screw, adjusting screw just can compress tightly the adjustment shell fragment, thereby guarantees the main shaft with the box upper cover has adjustable fit clearance, has avoided leading because processing the keyway causes the problem that main shaft intensity weakens, because the main shaft adopts three direction plane to lead, does not need to process too wide, too dark keyway, and the less material of getting rid of in every plane just can obtain fine direction effect, so can guarantee main shaft intensity.

As a further aspect of the present invention: a feeding outer screw sleeve is connected above the outer wall of the upper cover of the box body through left-hand threads, a feeding inner screw sleeve is connected above the inner wall of the main shaft through right-hand threads, four feeding handles are arranged between the feeding inner screw sleeve and the feeding outer screw sleeve and are uniformly distributed along the outer wall of the feeding outer screw sleeve, the feeding outer screw sleeve and the feeding inner screw sleeve are fixedly connected through the feeding handles, and a clutch handle is arranged between the upper part of the feeding inner screw sleeve and the locking mandrel; the feeding outer sleeve and the feeding inner sleeve are connected into a whole through the feeding handle, the feeding handle is rotated, the feeding outer sleeve and the feeding inner sleeve rotate simultaneously to drive the box body upper cover to move along the guide plane on the main shaft, and the structure has the advantages that the feeding handle rotates for one circle, and the rotating shaft axially feeds two screw pitches.

As a further aspect of the present invention: the spindle box is characterized in that a rotating shaft is arranged inside the spindle box and positioned outside the spindle, a needle bearing is arranged between the rotating shaft and the spindle, a first bearing is arranged between the rotating shaft and the spindle box, the rotating shaft is rotatably connected with the spindle box through the rotating shaft, and the rotating shaft is rotatably connected with the spindle through the needle bearing, so that the flexible main rotation of the rotating shaft between the spindle and the spindle box can be ensured.

As a further aspect of the present invention: the worm wheel is arranged on the outer wall of the rotating shaft, a flat key is arranged between the worm wheel and the rotating shaft, the worm wheel and the rotating shaft are connected through the flat key, a worm is meshed on one side of the worm wheel, a second bearing is arranged between the worm and the spindle box body, the worm and the spindle box body are connected in a rotating mode through the second bearing, and a motor is connected to one end of the worm through a key.

As a further aspect of the present invention: a bevel knife rest is arranged below the spindle box body, three blades are arranged on the bevel knife rest in a pressing mode through screws, expansion pull rods are arranged below the rotating shaft and the spindle, a chuck is arranged on the periphery of each expansion pull rod, an expansion pull disc is arranged below the chuck, and an extension block is arranged on the outer wall of the chuck; the expansion pull rod is rotated to drive the expansion pull disc to move axially, so that the expansion inclined blocks are supported on the inner wall of the pipeline, the expansion inclined blocks have a self-centering function, and can be connected with the extension block according to the inner diameter of the pipeline, and the installation range is expanded.

As a further aspect of the present invention: three inclined plane grooves are uniformly distributed on the chuck, expansion inclined blocks are arranged in the inclined plane grooves in a matched mode, and the expansion pull rod is connected with the expansion pull disc through threads; the tight pull rod that expands can rotate through box spanner, also can be through equipment from the area feed handle rotates, through feed handle goes on chuck locking rotates clutch handle drives the locking dabber rotates, the locking dabber with the tight pull rod that expands passes through the hexagonal and is connected, when final locking, presses clutch handle, with feed the inside hexagonal cooperation of inner screw shell, with the help of feed handle realizes locking, when processing is fed, because the effect of spring, clutch handle with feed the inner screw shell for the off-going state.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses avoided because the processing keyway causes the problem that main shaft intensity weakens, because the main shaft adopts three direction plane to lead to, need not process wide, too dark keyway, every plane is got rid of the material less and just can obtain fine direction effect, so can guarantee main shaft intensity.

2. The utility model discloses a direction fit clearance is adjusted to three adjusting screw, after the direction plane wearing and tearing, can suitably adjust in order to obtain suitable direction clearance to the stationarity of cutter frame is guaranteed to add man-hour, guarantees to process the surface quality of groove, can avoid in addition because the too big processing vibration that causes in direction clearance, the drive mechanism of protective apparatus, the life of extension equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a back sectional view of the present invention;

FIG. 3 is a schematic structural view of the present invention with the spindle case removed;

FIG. 4 is a schematic view of the connection relationship among the expanding tie rod, the chuck, the expanding tie plate, the expanding oblique block and the extension block of the present invention;

fig. 5 is a top sectional view of a portion a-a of fig. 2 according to the present invention.

In the figure: 1. a main shaft box body; 2. the box body is covered; 3. a main shaft; 4. locking the mandrel; 5. feeding an external thread sleeve; 6. feeding an inner thread sleeve; 7. a clutch handle; 8. a feed handle; 9. a first bearing; 10. a worm gear; 11. a flat bond; 12. a worm; 13. a second bearing; 14. a rotating shaft; 15. a needle bearing; 16. expanding the pull rod; 17. a chuck; 18. expanding and tensioning the pull disc; 19. expanding and tightening the inclined block; 20. a lengthening block; 21. a groove cutter frame; 22. a blade; 23. a motor; 24. adjusting the screw; 25. and adjusting the elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the present invention, a beveling machine with adjustable guiding clearance comprises a main shaft box 1, an adjusting screw 24 and an adjusting elastic sheet 25, wherein a box upper cover 2 is connected to the upper portion of the main shaft box 1 through a screw, a main shaft 3 is arranged in the middle of the main shaft box 1 and the box upper cover 2, the main shaft 3 is designed to be hollow, a locking mandrel 4 is arranged inside the main shaft 3, three guiding planes are arranged on the outer wall of the main shaft 3 at equal intervals, the adjusting elastic sheet 25 is arranged on one side of each of the three guiding planes on the main shaft 3 on the inner wall of the box upper cover 2, the adjusting screw 24 is arranged outside the adjusting elastic sheet 25, the adjusting screw 24 is connected with the box upper cover 2 through a screw thread, the upper portion of the main shaft 3 is provided with three evenly distributed guiding planes, the guiding planes are matched with the box upper cover 2, the adjusting elastic sheet 25 and the box upper cover 2 are the same part, and are cut by a thread to generate the adjusting clearance, through adjusting screw 24, adjusting screw 24 just can compress tightly adjustment shell fragment 25, thereby guarantee that main shaft 3 and box upper cover 2 have adjustable fit clearance, the problem of 3 intensity weakenings of main shaft has been avoided because the processing keyway causes, because main shaft 3 adopts three direction plane to lead to, need not process too wide, too dark keyway, the less material of getting rid of in every plane just can obtain fine direction effect, so can guarantee main shaft 3 intensity, adjust direction fit clearance through three adjusting screw 24, after the direction plane wearing and tearing, can suitably adjust in order to obtain suitable direction clearance, thereby guarantee the stationarity of tool rest during processing, guarantee the surface quality of processing groove, can avoid the processing vibration because the too big cause of direction clearance in addition, the drive mechanism of protection equipment, the life of extension equipment.

Wherein, the upper part of the outer wall of the box upper cover 2 is connected with a feeding outer screw sleeve 5 through a left-hand thread, the upper part of the inner wall of the main shaft 3 is connected with a feeding inner screw sleeve 6 through a right-hand thread, four feeding handles 8 are arranged between the feeding inner screw sleeve 6 and the feeding outer screw sleeve 5, the feeding handles 8 are uniformly distributed along the outer wall of the feeding outer screw sleeve 5, the feeding outer screw sleeve 5 and the feeding inner screw sleeve 6 are fixedly connected through the feeding handles 8, and a clutch handle 7 is arranged between the upper part of the feeding inner screw sleeve 6 and the locking mandrel 4; the feeding outer screw sleeve 5 and the feeding inner screw sleeve 6 are connected into a whole through the feeding handle 8, and the feeding handle 8 is rotated, so that the feeding outer screw sleeve 5 and the feeding inner screw sleeve 6 rotate simultaneously, the box upper cover 2 is driven to move along a guide plane on the spindle 3, the structure has the advantages that the feeding handle 8 rotates for one circle, the rotating shaft 14 axially feeds two screw pitches, the rotating shaft 14 is arranged on the outer side of the spindle 3 in the spindle box 1, the needle bearing 15 is arranged between the rotating shaft 14 and the spindle 3, the first bearing 9 is arranged between the rotating shaft 14 and the spindle box 1, the rotating shaft 14 is rotatably connected with the spindle box 1 through the rotating shaft 14, the rotating shaft 14 is rotatably connected with the spindle 3 through the needle bearing 15, and flexible main rotation of the rotating shaft 14 between the spindle 3 and the spindle box 1 can be ensured.

A worm wheel 10 is arranged on the outer wall of a rotating shaft 14, a flat key 11 is arranged between the worm wheel 10 and the rotating shaft 14, the worm wheel 10 is connected with the rotating shaft 14 through the flat key 11, a worm 12 is meshed with one side of the worm wheel 10, a second bearing 13 is arranged between the worm 12 and a main spindle box 1, the worm 12 is rotatably connected with the main spindle box 1 through the second bearing 13, one end of the worm 12 is connected with a motor 23 through a key, a bevel tool rest 21 is arranged below the main spindle box 1, three blades 22 are pressed on the bevel tool rest 21 through screws, expansion pull rods 16 are arranged below the rotating shaft 14 and the main spindle 3, a chuck 17 is arranged on the periphery of each expansion pull rod 16, an expansion pull disc 18 is arranged below the chuck 17, and an extension block 20 is arranged on the outer wall of the chuck 17; the expansion pull rod 16 is rotated to drive the expansion pull disc 18 to move axially, so that the expansion inclined blocks 19 are supported on the inner wall of the pipeline, the three expansion inclined blocks 19 have a self-centering function, and can be connected with the extension block 20 according to the inner diameter of the pipeline, so that the installation range is expanded.

Three inclined plane grooves are uniformly distributed on the chuck 17, expansion inclined blocks 19 are arranged in the inclined plane grooves in a matched mode, and the expansion pull rod 16 is connected with the expansion pull disc 18 through threads; the tight pull rod 16 that expands can rotate through box spanner, also can rotate through the feed handle 8 of equipment self-bring, carry out chuck 17 locking through feed handle 8, rotate clutch handle 7, drive locking core axle 4 and rotate, locking core axle 4 is connected through the hexagonal with tight pull rod 16 that expands, when final locking, press clutch handle 7, with feed the inside hexagonal cooperation of interior swivel nut 6, with the help of feed handle 8, realize locking, when processing is fed, because the effect of spring, swivel nut 6 is the off-going state in clutch handle 7 and the feed.

The utility model discloses a theory of operation is: in the process of the beveling machine, the motor 23 can drive the worm 12 to rotate, under the transmission action of the worm 12 and the worm wheel 10, the beveling tool rest 21 and the blade 22 below the rotating shaft 14 are driven to rotate to chamfer the pipeline, the feeding handle 8 is rotated, the feeding outer screw sleeve 5 and the feeding inner screw sleeve 6 rotate simultaneously to drive the box upper cover 2 to move along the guide plane on the main shaft 3, the structure has the advantages that the feeding handle 8 rotates for one circle, the rotating shaft 14 axially feeds two screw pitches to realize the feeding operation of beveling, and the adjusting screw 24 can press the adjusting elastic sheet 25 by adjusting the adjusting screw 24, so that the main shaft 3 and the box upper cover 2 are ensured to have adjustable fit clearance, and the problem that the strength of the main shaft 3 is weakened due to the fact that the main shaft 3 adopts three guide planes for guiding, and the over-width machining is not needed, Too dark keyway, the less material of getting rid of in every plane just can obtain fine direction effect, so can guarantee 3 intensity of main shaft, adjust direction fit clearance through three adjusting screw 24, after the direction plane wearing and tearing, can suitably adjust in order to obtain suitable direction clearance, thereby guarantee the stationarity of tool rest when adding man-hour, guarantee the surface quality of processing groove, can avoid in addition because the too big processing vibration that causes in direction clearance, the drive mechanism of protection equipment, the life of extension equipment, rotate tight pull rod 16 that expands, drive the tight drawing disk 18 that expands and carry out axial displacement, thereby make the tight sloping piece 19 that expands support at the pipeline inner wall, three tight sloping piece 19 that expands have from the centering function, and can connect extension piece 20 according to the size of inside pipe diameter, thereby enlarge the installation scope.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Beveling machine in adjustable direction clearance, including main shaft box (1), adjusting screw (24) and adjustment shell fragment (25), its characterized in that: the improved spindle box is characterized in that a box upper cover (2) is connected to the upper portion of the spindle box body (1) through screws, a spindle (3) is arranged in the middle of the box upper cover (2) of the spindle box body (1), the spindle (3) is hollow, a locking mandrel (4) is arranged inside the spindle (3), three guide planes are arranged on the outer wall of the spindle (3) in an equidistant mode, the inner wall of the box upper cover (2) is located on the main shaft (3), one side of each of the three guide planes is provided with an adjusting elastic sheet (25), the outer side of each adjusting elastic sheet (25) is provided with an adjusting screw (24), and the adjusting screw (24) is connected with the box upper cover (2) through threads.

2. The adjustable guide gap beveler of claim 1 wherein: outer swivel nut (5) is fed through levogyration threaded connection in box upper cover (2) outer wall top, swivel nut (6) in main shaft (3) inner wall top is fed through dextrorotation threaded connection, in feeding swivel nut (6) with it is provided with four feed handles (8) to feed between outer swivel nut (5), feed handle (8) along the outer wall evenly distributed of feeding outer swivel nut (5), feed outer swivel nut (5) with in feeding swivel nut (6) pass through feed handle (8) fixed connection, in feeding swivel nut (6) top with be provided with clutch handle (7) between locking dabber (4).

3. The adjustable guide gap beveler of claim 2 wherein: the spindle box is characterized in that a rotating shaft (14) is arranged inside the spindle box (1) and located on the outer side of the spindle (3), a needle bearing (15) is arranged between the rotating shaft (14) and the spindle (3), a first bearing (9) is arranged between the rotating shaft (14) and the spindle box (1), the rotating shaft (14) is rotatably connected with the spindle box (1) through the rotating shaft (14), and the rotating shaft (14) is rotatably connected with the spindle (3) through the needle bearing (15).

4. The adjustable guide gap beveler of claim 3 wherein: be provided with worm wheel (10) on rotation axis (14) outer wall, worm wheel (10) with be provided with parallel key (11) between rotation axis (14), worm wheel (10) with rotation axis (14) pass through parallel key (11) are connected, worm wheel (10) one side meshing has worm (12), worm (12) with be provided with bearing two (13) between the main shaft box (1), worm (12) with main shaft box (1) passes through bearing two (13) rotate the connection, there is motor (23) worm (12) one end through the key joint.

5. The adjustable guide gap beveler of claim 4 wherein: the improved spindle box is characterized in that a groove tool rest (21) is arranged below the spindle box body (1), a blade (22) is arranged on the groove tool rest (21) in a compression joint mode through a screw, the blade (22) is three, the rotating shaft (14) and the spindle (3) are provided with an expansion pull rod (16) below, a chuck (17) is arranged on the periphery of the expansion pull rod (16), an expansion pull disc (18) is arranged below the chuck (17), and an extension block (20) is arranged on the outer wall of the chuck (17).

6. The adjustable guide gap beveler of claim 5 wherein: three inclined plane grooves are evenly distributed on the chuck (17), an expansion inclined block (19) is installed in the inclined plane grooves in a matched mode, and the expansion pull rod (16) is connected with the expansion pull disc (18) through threads.