CN214023766U

CN214023766U - Beveling machine with replaceable tool rest

Info

Publication number: CN214023766U
Application number: CN202022704045.0U
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: 2021-08-24
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a interchangeable knife rest beveling machine in petrochemical field, include clutch handle, feed handle and feed outer thread bush, the clutch handle downside is provided with feed handle, feed handle central point is provided with feed outer thread bush, it is provided with the main shaft box to feed outer thread bush downside, it is provided with and feeds interior thread bush to feed outer thread bush upper end. The utility model discloses in, through keyway, plane knife rest, groove knife rest, a cylindric lock and No. two cylindric locks that set up, can realize the quick replacement of groove knife rest and plane knife rest to two knife rests share a host computer drive structure, realize the quick replacement of knife rest, one set of power unit of sharing realizes groove and planar processing, guarantees the plane precision, satisfies the requirement of sealing flange to the plane precision.

Description

Beveling machine with replaceable tool rest

Technical Field

The utility model relates to a petrochemical field specifically is interchangeable knife rest beveling machine.

Background

In the petrochemical industry, a beveling machine is needed to be used for processing aiming at the field cold processing of a pipeline and a flange plane, particularly for the overhauling of a large tank body or an equipment pipeline which is already in service for many years. For pipelines in the petrochemical industry, the pipelines need to be cut and the welding grooves need to be prefabricated before welding so as to ensure the welding quality, if a beveling machine is not adopted, flame cutting is often adopted, and then manual polishing is carried out, so that the quality is poor and the efficiency is low.

The traditional beveling machine only has axial feeding but does not have an automatic radial feeding function, so that beveling or plane machining with low precision can be performed only, the welding requirement can be met usually, the plane precision cannot be guaranteed, and the requirement of a sealing flange on the plane precision cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a interchangeable knife rest 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 replaceable tool rest comprises a clutch handle, a feeding handle and a feeding outer sleeve, wherein the feeding handle is arranged at the lower side of the clutch handle, the center of the feeding handle is provided with the feeding outer sleeve, the lower side of the feeding outer sleeve is provided with a main shaft box body, the upper end of the feeding outer screw sleeve is provided with a feeding inner screw sleeve, a spring is arranged between the upper side of the feeding inner screw sleeve and the clutch handle, a locking mandrel is arranged at the center of the inner side of the clutch handle, a main shaft is sleeved on the outer side of the locking mandrel, a rotating shaft is sleeved on the outer side of the lower end of the main shaft, a pin slot is integrally formed on the outer ring side of the lower end of the rotating shaft, a plane tool rest is arranged at the lower side of the rotating shaft, a second cylindrical pin is arranged at the upper end of the plane tool rest corresponding to the pin groove, the lower side of the rotating shaft can be further provided with a groove tool rest, and the upper end of the groove tool rest is provided with a first cylindrical pin corresponding to the pin groove.

As a further aspect of the present invention: the upper side of the spindle box body is connected with a box body upper cover through a screw, a needle bearing is arranged between the inner side of the spindle box body and the spindle, a worm wheel is arranged between the outer side of the rotating shaft and the spindle box body, and a key is arranged between the worm wheel and the rotating shaft.

As a further aspect of the present invention: the outer ring side of the upper end of the rotating shaft and the main shaft box body are provided with a first bearing, the lower end of the main shaft is provided with an expansion pull rod, an expansion pull disc is sleeved at the lower end of the expansion pull rod, and an expansion inclined block is arranged on the upper side of the expansion pull disc and the outer side of the expansion pull rod.

As a further aspect of the present invention: the worm wheel one side meshing has the worm, worm both ends cover is equipped with No. two bearings, worm one end is provided with the motor, the tight pull rod outside of expanding is provided with the chuck, the chuck outside is equidistant to be provided with the extension piece.

As a further aspect of the present invention: the groove cutter rest is characterized in that a first inner hexagon screw is connected to the lower side of the groove cutter rest through threads, a first blade is arranged on the lower side of the groove cutter rest, a feed adjusting block is arranged on the outer side of one end of the main shaft box body close to the motor, and a second cylindrical pin is arranged at the connecting position of one side of the plane cutter rest and the rotating shaft.

As a further aspect of the present invention: the lower side of the plane tool rest is connected with a second socket head cap screw through threads, the other side of the plane tool rest is inserted with a feeding striker, and a dovetail cutter plate is arranged on the lower side of one end, far away from the rotating shaft, of the plane tool rest.

As a further aspect of the present invention: the dovetail knife plate is provided with a knife blade in a clamping mode, the groove knife rest is connected with the rotating shaft through the pin groove and the first cylindrical pin, and the plane knife rest is connected with the rotating shaft through the pin groove and the second cylindrical pin.

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

1. the utility model discloses in, the keyway through setting up, the plane knife rest, the groove knife rest, cylindric lock and No. two cylindric locks, can realize the quick replacement of groove knife rest and plane knife rest, and two knife rests share a host computer drive structure, to the groove knife rest, can cooperate with the cylindric lock on the groove knife rest through the keyway of the lower extreme of rotation axis, the transmission moment of torsion, No. three interior hex bolts can be fixed to the rotation axis, No. two cylindric locks on the same plane knife rest can cooperate with the keyway of rotation axis, No. three interior hex bolts can be fixed to the rotation axis, realize the quick replacement of knife rest, one set of power unit of sharing, realize groove and planar processing, guarantee the plane precision, satisfy the requirement of sealing flange to the plane precision.

2. The utility model discloses in, through the clutch handle who sets up, feed interior swivel nut, feed handle and spring for the clutch handle can with feed interior swivel nut and carry out the hexagonal cooperation, with the help of feed handle's extension bar effect, realizes the chuck at the installation of pipeline hole, when processing is fed, through the effect of spring, the clutch handle with feed interior swivel nut and throw off, do not influence the chassis.

Drawings

FIG. 1 is a schematic structural view of a motor and a main shaft box of the present invention;

FIG. 2 is a schematic structural view of the motor, the main shaft box and the planar tool rest according to the present invention;

FIG. 3 is a schematic diagram of a right sectional structure of the main shaft box of the present invention;

FIG. 4 is a schematic structural view of a motor, a main spindle box and a bevel tool rest according to the present invention;

FIG. 5 is an enlarged schematic view of the chuck of the present invention;

FIG. 6 is a schematic view of the explosion structure of the motor, the main shaft box and the bevel tool rest according to the present invention;

FIG. 7 is a schematic top view of the bevel tool holder of the present invention;

fig. 8 is an exploded view of the motor, the main spindle body and the flat tool holder according to the present invention;

fig. 9 is a schematic top view of the planar tool holder 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 key; 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 planar tool holder; 23. a motor; 24. a pin slot; 25. a first cylindrical pin; 26. a first socket head cap screw; 27. a first blade; 28. a second cylindrical pin; 29. a second socket head cap screw; 30. a feed adjustment block; 31. a feed striker; 32. a dovetail knife plate; 33. a second blade; 34. a spring.

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 to 9, in the embodiment of the present invention, a tool rest replaceable beveling machine includes a clutch handle 7, a feeding handle 8 and an outer feeding sleeve 5, the feeding handle 8 is disposed under the clutch handle 7, the outer feeding sleeve 5 is disposed at the center of the feeding handle 8, a main spindle case 1 is disposed under the outer feeding sleeve 5, an inner feeding sleeve 6 is disposed at the upper end of the outer feeding sleeve 5, a spring 34 is disposed between the upper side of the inner feeding sleeve 6 and the clutch handle 7, a locking spindle 4 is disposed at the center of the inner side of the clutch handle 7, a main spindle 3 is sleeved outside the locking spindle 4, a rotating shaft 14 is sleeved outside the lower end of the main spindle 3, a pin slot 24 is integrally formed at the outer ring side of the lower end of the rotating shaft 14, a flat tool rest 22 is disposed under the rotating shaft 14, a second cylindrical pin 28 is disposed at the upper end of the flat tool rest 22 corresponding to the pin slot 24, and a tool rest bevel 21 may be disposed under the rotating shaft 14, the groove tool rest 21 is provided with a first cylindrical pin 25 at the upper end corresponding to the pin groove 24, the groove tool rest 21, the first cylindrical pin 25 and the second cylindrical pin 28 can realize the quick replacement of the groove tool rest 21 and the plane tool rest 22 through the arrangement of the pin groove 24, the plane tool rest 22, the groove tool rest 21, the first cylindrical pin 25 and the second cylindrical pin 28, the two tool rests share one host driving structure, the groove tool rest 21 can be matched with the first cylindrical pin 25 on the groove tool rest 21 through the pin groove 24 at the lower end of the rotating shaft 14 to transmit torque, three first inner hexagonal screws 26 can be fixed on the rotating shaft 14, the second cylindrical pin 28 on the plane tool rest 22 can be matched with the pin groove 24 on the rotating shaft 14, three second inner hexagonal screws 29 can be fixed on the rotating shaft 14 to realize the quick replacement of the tool rest, share one set of power mechanism to realize the processing of a groove and a plane, ensure the plane precision and meet the requirement of a sealing flange on the plane precision, through the clutch handle 7 that sets up, feed interior swivel nut 6, feed handle 8 and spring 34 for clutch handle 7 can carry out the hexagonal cooperation with feeding interior swivel nut 6, with the help of the extension bar effect of feed handle 8, realizes the installation of chuck 17 at the pipeline hole, and when processing was fed, through the effect of spring 34, clutch handle 7 and feed interior swivel nut 6 throw off, do not influence the chassis.

Wherein, the upper side of the main shaft box body 1 is connected with a box body upper cover 2 through a screw, a needle bearing 15 is arranged between the inner side of the main shaft box body 1 and the main shaft 3, a worm wheel 10 is arranged between the outer side of a rotating shaft 14 and the main shaft box body 1, a key 11 is arranged between the worm wheel 10 and the rotating shaft 14, a first bearing 9 is arranged between the outer ring side of the upper end of the rotating shaft 14 and the main shaft box body 1, an expansion pull rod 16 is arranged at the lower end of the main shaft 3, an expansion pull disc 18 is sleeved at the lower end of the expansion pull rod 16, an expansion inclined block 19 is arranged at the upper side of the expansion pull disc 18 and the outer side of the expansion pull rod 16, a worm 12 is meshed at one side of the worm wheel 10, a second bearing 13 is sleeved at both ends of the worm 12, a motor 23 is arranged at one end of the worm 12, a chuck 17 is arranged at the outer side of the expansion pull rod 16, extending blocks 20 are arranged at equal intervals at the outer side of the chuck 17, the upper cover 2 of the box body can protect the upper side of the main shaft box body 1, the needle bearing 15 can enable the main shaft 3 and the main shaft box body 1 to rotate stably, the worm 12 may transmit the torque of the motor to the worm 12, which in turn causes the rotation shaft 14 to rotate, completing the beveling or facing.

A first inner hexagon screw 26 is connected with the lower side of the bevel cutter frame 21 through threads, a first blade 27 is arranged on the lower side of the bevel cutter frame 21, a feed adjusting block 30 is arranged on the outer side of one end, close to the main shaft box body 1, of the motor 23, a second cylindrical pin 28 is arranged at the connecting position of one side of the plane cutter frame 22 and the rotating shaft 14, a second inner hexagon screw 29 is connected with the lower side of the plane cutter frame 22 through threads, a feed striker 31 is inserted into the other side of the plane cutter frame 22, a dovetail cutter plate 32 is arranged on the lower side of one end, far away from the rotating shaft 14, of the plane cutter frame 22, a second blade 33 is clamped between the dovetail cutter plates 32, the bevel cutter frame 21 is connected with the rotating shaft 14 through a pin groove 24 and a first cylindrical pin 25, and the plane cutter frame 22 is connected with the rotating shaft 14 through a pin groove 24 and a second cylindrical pin 28, the plane tool holder 22 can be stably connected with the rotating shaft 14 through the second cylindrical pin 28 and the pin groove 24, and the feeding striker 31 can control the feeding distance of the plane tool holder 22 during processing.

The utility model discloses a theory of operation is: an air source is introduced into a pneumatic motor 23 to drive the motor 23 to rotate, the motor 23 drives a worm wheel 10 to rotate through a worm 12, the worm wheel 10 is connected with a rotating shaft 14 through a key 11 and transmits torque, the rotating shaft 14 rotates around a main shaft 3 under the drive of the motor 23, the rotating shaft 14 is fixed on a main shaft box body 1 through two first bearings 9 and rotates with the main shaft 3 through two needle bearings 15, the rotating shaft 14 can be connected with a bevel tool rest 21 for beveling and can also be connected with a plane tool rest 22 for plane processing, three bevel grooves are uniformly distributed on a chuck 17 and matched with an expansion inclined block 19, the expansion pull rod 16 is in threaded connection with the expansion pull disc 18, the expansion pull rod 16 is rotated to drive the expansion pull disc 18 to axially move, so that the expansion inclined block 19 is supported on the inner wall of a pipeline, the three expansion inclined blocks 19 have a self-centering function and can be connected with an extension block 20 according to the inner diameter of the pipeline, thereby enlarging the installation range, in order to facilitate the operation, the expansion pull rod 16 can be rotated by a socket wrench, or can be rotated by a feed handle 8 of the equipment, the principle of chuck locking by the feed handle 8 is that a clutch handle 7 is rotated to drive a locking mandrel 4 to rotate, the locking mandrel 4 is connected with the expansion pull rod 16 through a hexagon, the clutch handle 7 is pressed to be matched with the inner hexagon of a feed inner screw sleeve 6 during the final locking, the locking is realized by the feed handle 8, the clutch handle 7 and the feed inner screw sleeve 6 are in a separation state under the action of a spring 34 during the processing and feeding, the feed outer screw sleeve 5 is in threaded fit with the upper cover 2 of the box body, the thread is a left-handed thread, the feed inner screw sleeve 6 is in threaded fit with the main shaft 3, the thread is a right-handed thread, the feed outer screw sleeve 5 and the feed inner screw sleeve 6 are connected into a whole through the feed handle 8, the feeding handle 8 is rotated, 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 the guide key groove on the main shaft 3, the structure has the advantages that the feeding handle 8 rotates once, the rotating shaft 14 axially feeds two screw pitches, the device can realize the quick replacement of the groove tool rest 21 and the plane tool rest 22, the two tool rests share one host driving structure, for the groove tool rest 21, the lower end of the rotating shaft 14 is provided with a pin groove 24 which can be matched with a cylindrical pin 25 on the groove tool rest 21 to transmit torque, three first inner hexagonal screws 26 can be fixed on the rotating shaft 14, similarly, a second cylindrical pin 28 on the plane tool rest 22 can be matched with the pin groove 24 on the rotating shaft 14, and three second inner hexagonal screws 29 can be fixed on the rotating shaft 14.

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. Interchangeable knife rest beveling machine, including clutch handle (7), feed handle (8) and feed outer screw (5), its characterized in that: the feeding device is characterized in that the feeding handle (8) is arranged on the lower side of the clutch handle (7), the outer screw sleeve (5) is arranged at the central position of the feeding handle (8), the main shaft box body (1) is arranged on the lower side of the outer screw sleeve (5), the inner screw sleeve (6) is arranged at the upper end of the outer screw sleeve (5), a spring (34) is arranged between the upper side of the inner screw sleeve (6) and the clutch handle (7), the locking mandrel (4) is arranged at the center of the inner side of the clutch handle (7), the main shaft (3) is sleeved on the outer side of the locking mandrel (4), the rotating shaft (14) is sleeved on the outer side of the lower end of the main shaft (3), a pin groove (24) is integrally formed on the outer ring side of the lower end of the rotating shaft (14), a plane knife rest (22) is arranged on the lower side of the rotating shaft (14), a second, a groove tool rest (21) can be further arranged on the lower side of the rotating shaft (14), and a first cylindrical pin (25) is arranged at the position, corresponding to the pin groove (24), of the upper end of the groove tool rest (21).

2. The beveling machine with the replaceable tool rest of claim 1, wherein: the upper side of the spindle box body (1) is connected with a box body upper cover (2) through a screw, a needle bearing (15) is arranged between the inner side of the spindle box body (1) and the spindle (3), a worm wheel (10) is arranged between the outer side of the rotating shaft (14) and the spindle box body (1), and a key (11) is arranged between the worm wheel (10) and the rotating shaft (14).

3. The beveling machine with the replaceable tool rest of claim 2, wherein: the device is characterized in that a bearing (9) is arranged between the outer ring side of the upper end of the rotating shaft (14) and the main shaft box body (1), an expansion pull rod (16) is arranged at the lower end of the main shaft (3), an expansion pull disc (18) is sleeved at the lower end of the expansion pull rod (16), and an expansion inclined block (19) is arranged at the position of the outer side of the expansion pull rod (16) and on the upper side of the expansion pull disc (18).

4. The beveling machine with the replaceable tool rest of claim 3, wherein: worm wheel (10) one side meshing has worm (12), worm (12) both ends cover is equipped with No. two bearing (13), worm (12) one end is provided with motor (23), tight pull rod (16) outside of expanding is provided with chuck (17), chuck (17) outside equidistant extension block (20) that is provided with.

5. The beveling machine with the replaceable tool rest of claim 4, wherein: groove knife rest (21) downside has socket head cap screw (26) No. one through threaded connection, groove knife rest (21) downside is provided with blade (27) No. one, motor (23) are close to the main shaft box (1) one end outside is provided with feeds regulating block (30), plane knife rest (22) one side with rotation axis (14) hookup location is provided with cylindric lock (28) No. two.

6. The beveling machine with the replaceable tool rest of claim 5, wherein: the lower side of the plane tool rest (22) is connected with a second socket head cap screw (29) through threads, the other side of the plane tool rest (22) is inserted with a feeding striker (31), and a dovetail cutter plate (32) is arranged on the lower side of one end, far away from the rotating shaft (14), of the plane tool rest (22).

7. The beveling machine with the replaceable tool rest of claim 6, wherein: a second blade (33) is clamped between the dovetail knife plates (32), the groove knife rest (21) is connected with the rotating shaft (14) through the pin groove (24) and the first cylindrical pin (25), and the plane knife rest (22) is connected with the rotating shaft (14) through the pin groove (24) and the second cylindrical pin (28).