CN218362504U - Chamfering device and knife bending machine - Google Patents

Abstract

The utility model discloses a chamfer device and curved sword machine, include: the base is provided with a mounting seat, and the mounting seat is provided with a mounting groove; the chamfer groove is arranged on the mounting seat, and one end of the chamfer groove is communicated with the mounting groove; the through grooves are formed in two side walls of the mounting seat, and the two through grooves are communicated with the chamfer grooves; the tool apron is arranged in the mounting groove; the rotating shaft is arranged in the tool apron, two ends of the rotating shaft extend out of the tool apron, and at least one end of the rotating shaft faces the chamfer groove; the accommodating hole is formed in the rotating shaft and penetrates through two ends of the rotating shaft; the locking piece is sleeved outside one end of the rotating shaft, which is far away from the mounting seat; the driving motor is arranged on the cutter holder, and a driving shaft of the driving motor extends into the cutter holder and is in transmission connection with the rotating shaft. The utility model discloses can simplify the mounting structure of this chamfer device's chamfer cutter, improve chamfer cutter dismouting efficiency.

Description

Chamfering device and knife bending machine

Technical Field

The utility model belongs to the technical field of the curved sword machine technique and specifically relates to a chamfer device and curved sword machine is related to.

Background

The plastic uptake is a plastic processing technology, and the main principle is that after a flat plastic hard sheet is heated and softened, the plastic hard sheet is absorbed on the surface of a mould in vacuum, and after cooling, the plastic hard sheet is formed, and the plastic hard sheet is widely used in the industries of plastic packaging, lamp decoration, advertisement, decoration and the like.

Need adopt the fixed sword area of cutting die frame when processing production plastic uptake cutting die, and the mode of being connected through the double-screw bolt between sword area and the fixed frame of cutting die realizes fixedly, need set up the through-hole that supplies the double-screw bolt to pass on the cutting die man-hour, when the cutting die that is equipped with the double-screw bolt cuts to the plastic uptake packing, the deformation or the problem of damage of moulding plastic uptake packing on the surface of cutting die because the tip of double-screw bolt is spacing, consequently need carry out the chamfer through the through-hole on the punching equipment cutting die and form the dovetail groove, make the tip of double-screw bolt at least part or all imbed the dovetail groove, reach the purpose of avoiding the double-screw bolt to damage plastic uptake packing. However, the existing chamfering device is complex in tool dismounting structure, and the tool is low in tool replacing efficiency due to the fact that the tool needs to be dismounted and adjusted in a complicated manner when properties need to be replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chamfer device and curved sword machine can simplify the mounting structure of this chamfer device's chamfer cutter, improves chamfer cutter dismouting efficiency.

In order to achieve the above object, the utility model provides a pair of chamfering device, specific embodiment is as follows:

a chamfering apparatus comprising:

the base is provided with a mounting seat, and the mounting seat is provided with a mounting groove;

the chamfer groove is arranged on the mounting seat, and one end of the chamfer groove is communicated with the mounting groove;

the through grooves are formed in the two side walls of the mounting seat, and the two through grooves are communicated with the chamfer grooves;

the tool apron is arranged in the mounting groove;

the rotating shaft is arranged in the tool apron, two ends of the rotating shaft extend out of the tool apron, and at least one end of the rotating shaft faces the chamfer groove;

the accommodating hole is formed in the rotating shaft and penetrates through two ends of the rotating shaft;

the locking piece is sleeved at one end of the rotating shaft, which is far away from the mounting seat;

the driving motor is arranged on the cutter holder, and a driving shaft of the driving motor extends into the cutter holder and is in transmission connection with the rotating shaft.

Compared with the prior art, the chamfering device is characterized in that a mounting seat is arranged on a base, a tool apron is arranged in a mounting groove of the mounting seat, a rotating shaft is arranged in the tool apron, two ends of the rotating shaft extend out of the tool apron, a containing hole is formed in the rotating shaft, at least one end of the rotating shaft extends towards the chamfering groove direction which is arranged on the mounting seat and conducts the mounting groove, the tool apron is provided with a driving motor which extends into the tool apron and is connected with the rotating shaft in a transmission manner, a locking piece is sleeved outside the other end of the rotating shaft, and through grooves which conduct the chamfering grooves are formed in two side walls of the mounting seat; when the tool is used, the tool belt enters the chamfering groove from one through groove, then extends out of the chamfering groove from the other through groove, a chamfering tool is inserted into the accommodating hole and is fixed in the accommodating hole through the locking piece, and a tool bit at the end part of the chamfering tool is positioned outside the accommodating hole and faces the chamfering groove; the quick assembly disassembly of the chamfering tool can be realized by utilizing the arrangement of the accommodating hole of the rotating shaft as long as the chamfering tool is inserted into the accommodating hole and the chamfering tool is locked by utilizing the locking piece, so that the replacement efficiency of the chamfering tool is improved, the installation structure of the chamfering tool of the chamfering device is effectively simplified, and the disassembly and assembly efficiency of the chamfering tool is improved.

In some embodiments, the locking member is in an elastic ring shape, an adjusting gap is formed on the locking member, a locking screw hole and a positioning hole are formed in the locking member, the ends of the locking screw hole and the positioning hole facing the adjusting gap are both communicated with the adjusting gap, a locking screw rod is arranged in the positioning hole, and the bottom end of the locking screw rod penetrates through the adjusting gap and is in threaded connection with the locking screw hole. Utilize locking screw with the spiro union cooperation of locking screw adjusts the size in clearance, simple structure, and it is convenient to use, when improving chamfering tool dismouting convenience of chamfering device for the locking piece can not unidimensional chamfering tool's of adaptation fixing, improves this chamfering device's application scope.

In some embodiments, a first driving cylinder is arranged at the end of the mounting seat, which is away from the mounting groove, and a support is arranged at the end of the first driving cylinder and at least partially embedded in the chamfer groove. The first driving cylinder body is used for pushing the supporting piece to compress and fix the cutter strip when the chamfering tool performs chamfering processing on the cutter strip, and the situation that the cutter strip is displaced in the chamfering process is avoided.

In some embodiments, a supporting seat is arranged above the mounting seat, the end of the supporting seat is fixedly arranged at the top end of the mounting seat, an installation plate is arranged at one end of the supporting seat, which is away from the mounting seat, a sliding groove is formed in the supporting seat, a movable sliding block is arranged in the sliding groove, and one end of the sliding block, which faces the tool apron, is in transmission connection with the tool apron. Utilize the sliding block to slide in the sliding tray, and the tip and the blade holder transmission of sliding block are connected, and the slip through the sliding block drives the blade holder and at the within range displacement of sliding tray when using, and the chamfer cutter business turn over chamfer groove on the control blade holder realizes carrying out the purpose of chamfer processing and adjusting the size of chamfer to chamfer inslot sword area.

In some embodiments, a second driving cylinder is fixedly arranged on the mounting plate, a push-pull plate is arranged at the end of the second driving cylinder, a connecting plate is fixedly arranged at the bottom end of the push-pull plate, the sliding block is fixedly arranged at the bottom end of the connecting plate, two oppositely-arranged guide blocks are arranged in the sliding groove, and the guide blocks are in guiding fit with the sliding block. The second driving cylinder body fixedly arranged on the mounting plate is used for driving the push-pull plate, the connecting plate is driven to drive the sliding block to slide on the guide block in guide fit with the sliding block, and therefore the moving convenience and stability of the tool apron are improved.

In some embodiments, a first screw hole is formed in the mounting plate, a first adjusting rod is arranged on one side of the mounting plate, which is away from the supporting seat, the first adjusting rod is in threaded fit with the first screw hole, and the end of the first adjusting rod penetrates through the first screw hole and faces the direction of the connecting plate. The first adjusting rod is arranged on the mounting plate, the end, facing the first adjusting rod, faces the connecting plate, and when the chamfering tool is used, the second driving cylinder is limited to push the sliding block to slide in the sliding groove, so that the purpose of controlling the size of a chamfer cut by the chamfering tool on the cutter belt is achieved.

In some embodiments, fixing plates are arranged on two sides of the tool apron, the fixing plates are at most partially embedded into the mounting groove, a connecting block is arranged between the two fixing plates, the connecting block is at least partially connected with the sliding block or the connecting plate, and the fixing plates are connected with the side wall of the connecting block. The fixing plates are arranged on the two sides of the tool apron, the connecting block between the two fixing plates is connected with the connecting plate or the sliding plate, and then the tool apron is connected with the sliding block in a transmission mode, so that the tool apron can be driven by the sliding block to move to send chamfering tools into the chamfering groove cutting tool belt.

In some embodiments, an installation block is arranged at the top end of the fixing plate, the fixing plate is connected to the bottoms of the two ends of the installation block, a second screw hole is formed in the installation block, a second adjusting rod is arranged at the top end of the installation block, the second adjusting rod is in threaded fit with the second screw hole, and the bottom end of the second adjusting rod penetrates through the second screw hole and faces the connecting block; the fixed plate is provided with a lifting groove, the connecting block is provided with a third screw hole, the fixed plate is provided with a connecting column, the connecting column penetrates through the lifting groove to be in threaded connection with the third screw hole, and a lifting gap is formed between the connecting column and the top end and/or the bottom end of the lifting groove. The top end of the fixing plate is provided with the mounting block, the mounting block is provided with the second adjusting rod, the end part of the second adjusting rod faces the connecting block, and the fixing plate is driven to lift in the range of the lifting gap by utilizing the lifting of the second adjusting screw rod in the fourth screw hole so as to realize the height adjustment of the tool apron, adapt to the chamfering treatment of hole sites with different heights of the tool belt, and improve the application range and the use convenience of the chamfering device; the fixed plate is provided with a connecting column, the connecting column penetrates through the lifting groove and is in threaded fit with the third screw hole, a lifting gap is formed between the connecting column and the top end and/or the bottom end of the lifting groove, the lifting stroke range of the tool apron is limited by adjusting the lifting gap, and the lifting controllability of the tool apron is improved.

In some embodiments, a locking block is arranged on the tool holder, and the locking block is partially connected with one end of the tool holder, which is away from the mounting seat, and partially connected with at least one fixing plate. The locking block is arranged on the tool apron, part of the locking block is connected with the tool apron, and part of the locking block is connected with at least one fixing plate, so that the connection stability between the tool apron and the fixing plate is improved.

The utility model also provides a knife bending machine, including the frame be equipped with conveyor, cutting device, bridge mouth device and the above-mentioned chamfer device that sets gradually along the direction of working on the frame, just be equipped with outward the frame with the feeding device that conveyor connects.

The utility model provides a chamfer device and curved sword machine, when using, the sword area in the feeding device gets into cutting device cutting machine bridge mouth device processing back through conveyor's transportation in proper order and gets into the chamfer inslot from one of them logical groove of mount pad lateral part of chamfer device, then stretches out outside the chamfer groove from the logical groove on the opposite side of mount pad, and it has the chamfer cutter to peg graft in the accommodation hole to fix the chamfer cutter in the accommodation hole through the locking piece, and the tool bit of chamfer cutter tip is located outside the accommodation hole, towards the chamfer groove; the quick assembly disassembly of the chamfering tool can be realized by utilizing the arrangement of the accommodating hole of the rotating shaft as long as the chamfering tool is inserted into the accommodating hole and locked by utilizing the locking piece, the replacement efficiency of the chamfering tool is improved, the installation structure of the chamfering tool of the chamfering device is effectively simplified, and the disassembly and assembly efficiency of the chamfering tool is improved.

Drawings

FIG. 1 is a schematic view of the chamfering device according to the present invention;

FIG. 2 is an exploded view of the chamfering apparatus of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is a partial enlarged view of part B of fig. 2 according to the present invention;

fig. 5 is a schematic structural view of the knife bending machine of the present invention.

Description of reference numerals:

1. a base; 11. a first positioning groove; 12. a waste collection tank; 13. a waste material conveying pipe;

2. a mounting seat; 21. mounting grooves; 22. chamfering grooves; 23. a through groove; 24. a first drive cylinder; 25. a support member;

3. a tool apron; 31. a rotating shaft; 311. an accommodation hole; 32. a drive motor; 33. a fixing plate; 331. a lifting groove; 34. connecting blocks; 341. a third screw hole; 35. mounting blocks; 351. a second screw hole; 36. a locking block; 37. chamfering the cutter; 371. fixing the inserted rod; 372. a cutter head;

4. a locking member; 41. adjusting the clearance; 42. locking the screw hole; 43. positioning holes; 44. locking the screw rod;

5. a supporting seat; 51. mounting a plate; 511. a first screw hole; 52. a sliding groove; 53. a second drive cylinder; 54. a push-pull plate; 55. a connecting plate; 551. a second positioning groove; 56. a guide block;

6. a slider;

7. a first adjusting lever;

8. a second adjusting lever;

9. a machine base; 91. a supply device; 92. a conveying device; 93. a cutting device; 94. a bridge portal arrangement; 95. and (7) a chamfering device.

Detailed Description

The utility model discloses a chamfer device and curved sword machine is explained with the attached drawing.

Referring to fig. 1-4, this embodiment provides a chamfering device 95, including base 1 be equipped with mount pad 2 on the base 1 mount pad 2 is last to have seted up mounting groove 21 mount pad 2 deviates from the one end of mount pad 2 is equipped with first drive cylinder body 24 set up the chamfer groove 22 that is used for carrying out the chamfer to the tool apron on the mount pad 2, the movable rod of first drive cylinder body 24 stretches into in the chamfer groove 22, and the movable rod tip of first drive cylinder body 24 is equipped with support piece 25, support piece 25 at least part scarf joint be in the chamfer groove 22.

Two side walls of the mounting seat 2 are provided with through grooves 23 for communicating the chamfer groove 22, so that the cutter belt can enter the chamfer groove 22 and can extend out of the mounting seat 2 from the chamfer groove 22.

When the knife strip enters the chamfer groove 22, one end of the supporting piece 25 facing the mounting groove 21 is pressed against the side wall of the knife strip to support the knife strip, so that the phenomenon that the knife strip is deformed during chamfering is avoided.

First drive cylinder body 24 described in this embodiment is pneumatic cylinder or pneumatic cylinder, first drive cylinder body 24 passes through screw or bolt structure to be fixed on mount pad 2, support piece 25 is for being used for when the chamfer first drive cylinder body 24 promotes down and compresses tightly the sword area, and the sword area is fixed when the cutter on blade holder 3 gets into chamfer groove 22 in, avoids the sword area to take place in the condition of chamfer in-process production displacement.

A tool holder 3 is arranged in the mounting groove 21, a rotating shaft 31 is arranged in the tool holder 3, two ends of the rotating shaft 31 extend out of the tool holder 3, and at least one end of the rotating shaft extends towards the chamfer groove 22.

Set up the accommodation hole 311 that runs through this axis of rotation 31 in the axis of rotation 31, the accommodation hole 311 is used for holding the chamfer cutter 37 that is used for carrying out the chamfer to the sword area and handles, chamfer cutter 37 is including fixed inserted bar 371 the tip of fixed inserted bar 371 is equipped with tool bit 372, and the other end is equipped with spacing bulge loop, works as fixed inserted bar 371 inserts when in the accommodation hole 311, tool bit 372 is located the orientation the one end of chamfer groove 22, spacing bulge loop support press in on the outer wall of blade holder 3, the restriction chamfer cutter 37 inserts the stroke.

A driving motor 32 is arranged at the top end of the tool apron 3, and a driving shaft of the driving motor 32 extends into the tool apron 3 and is in transmission connection with the rotating shaft 31.

In this embodiment, an included angle between the driving motor 32 and the rotating shaft 31 is 90 degrees, bevel gears are respectively sleeved on a motor shaft of the driving motor 32 and the rotating shaft 31, and the driving connection between the driving motor 32 and the rotating shaft 31 is realized through meshing connection of the two bevel gears, but other driving modes, such as a reduction gearbox, can also be adopted as long as the driving connection between the driving motor 32 and the rotating shaft 31 can be realized.

A locking piece 4 is sleeved outside one end of the rotating shaft 31, which is far away from the mounting groove 21, the locking piece 4 is in an elastic ring shape, an adjusting gap 41 is arranged on the locking piece 4, a locking screw hole 42 and a positioning hole 43 are arranged on the locking piece 4, the ends, facing the adjusting gap 41, of the locking screw hole 42 and the positioning hole 43 are both communicated with the adjusting gap 41, a locking screw 44 is arranged in the positioning hole 43, and the bottom end of the locking screw 44 penetrates through the adjusting gap 41 to be in threaded connection with the locking screw hole 42.

When the tool holder is used, the locking screw 44 is firstly loosened, so that the adjusting gap 41 is in an initial state, the chamfering tool 37 is inserted into the accommodating hole 311, then the locking screw 44 is screwed, the adjusting gap 41 is reduced, the fixing insert rod 371 of the chamfering tool 37 is clamped and fixed on the rotating shaft 31 through the locking piece 4, the structure is simple, the use is convenient, and the effect of quickly dismounting the chamfering tool 37 of the tool holder 3 is realized.

A supporting seat 5 is arranged above the installation seat 2, the end part of the supporting seat 5 is fixedly arranged at the top end of the installation seat 2, a sliding groove 52 is arranged in the supporting seat 5, two oppositely arranged guide blocks 56 are arranged in the sliding groove 52, a sliding block 6 is arranged between the two guide blocks 56, the sliding block 6 is in sliding fit with the guide blocks 56,

the sliding fit between the guide block 56 and the sliding block 6 in this embodiment adopts a guide rail and a projection guide structure, and of course, the guide may also be realized by a linear guide rail structure or an inclined guide surface, and the guide is not limited to the guide rail and the projection guide structure described in this embodiment, as long as the guide for sliding the sliding block 6 in the sliding groove 52 can be realized.

A connecting plate 55 is arranged at the top of the sliding block 6, one end of the connecting plate 55 facing the tool apron 3 is connected with the tool apron 3, a push-pull plate 54 is fixedly arranged at the top end of the connecting plate 55, an installing plate 51 extending upwards is arranged at one end of the supporting seat 5 deviating from the installing seat 2, a second driving cylinder 53 is fixedly arranged on the installing plate 51, and a movable rod of the second driving cylinder 53 is connected with the push-pull plate 54 to drive the push-pull plate 54 to move so as to drive the connecting plate 55 and the sliding block 6 at the bottom of the connecting plate 55 to move within the range of the sliding groove 52.

A first screw hole 511 is formed in the mounting plate 51, a first adjusting rod 7 is arranged at one end of the mounting plate 51, which is away from the mounting base 2, the first adjusting rod 7 is in threaded fit with the first screw hole 511, and the end of the first adjusting rod 7 passes through the first screw hole 511 and faces the connecting plate 55 or the push-pull plate 54, so as to limit the stroke of the second driving cylinder 53 for pushing the sliding block 6, thereby achieving the purpose of controlling the size of the chamfer cut by the chamfering tool 37 on the tool belt.

The both sides of blade holder 3 are equipped with fixed plate 33, the bottom of fixed plate 33 with the lateral wall of blade holder 3 is connected, the top of fixed plate 33 extends to the top of mounting groove 21, two be equipped with connecting block 34 between the fixed plate 33, the bottom of connecting block 34 with connecting plate 55 or sliding block 6 are connected, the both sides of connecting block 34 are connected with respectively fixed plate 33, and two the top of fixed plate 33 erects and is equipped with installation piece 35, the both ends bottom of installation piece 35 is connected with respectively fixed plate 33.

The mounting block 35 is provided with a second screw hole 351 penetrating through the mounting block 35, the top end of the mounting block 35 is provided with a second adjusting rod 8 in threaded connection with the second screw hole 351, the bottom end of the second adjusting rod 8 penetrates through the second screw rod and extends towards the connecting block 34, the fixing plate 33 is provided with a lifting groove 331 penetrating through the fixing plate 33, the connecting block 34 is provided with a third screw hole 341 matched with the lifting groove 331, the mounting block further comprises a connecting column, the connecting column penetrates through the lifting groove 331 and is in threaded connection with the third screw hole 341, and a lifting gap is formed between the connecting column and the top end and/or the bottom end of the lifting groove 331.

The top of connecting block 34 seted up at least one with the second adjusts pole 8 complex fourth screw, second adjusting screw bottom with fourth screw spiro union cooperation, when using, utilize the lift of second adjusting screw in the fourth screw, drive fixed plate 33 and go up and down at the within range in lift clearance for realize the altitude mixture control of blade holder 3, the not co-altitude hole site chamfer of adaptation sword area is handled, improves the application scope and the use convenience of this chamfer device.

The tool apron 3 is provided with a locking block 36, at least part of the locking block 36 is connected with the tool apron 3, and the locking block 36 is connected with at least one of the fixing plates 33, so as to improve the connection stability between the tool apron 3 and the fixing plates 33.

The second driving cylinder 53 of this embodiment is a hydraulic cylinder or a pneumatic cylinder, and the second driving cylinder 53 is fixed on the mounting plate 51 through a screw or a bolt structure.

In this embodiment, the base 1 is provided with a first positioning groove 11, and the bottom end of the mounting base 2 is fixedly arranged in the first positioning groove 11 through a screw or a bolt.

This embodiment base 1 on be located seted up garbage collection groove 12 in the first constant head tank 11, work as mount pad 2 is located when in the first constant head tank 11, chamfer groove 22 switches on garbage collection groove 12, just the bottom of base 1 is equipped with waste transport pipe 13, waste transport pipe 13 the top with garbage collection groove 12 switches on.

In this embodiment, the top end of the connecting plate 55 is provided with a second positioning groove 551, and the bottom end of the push-pull plate 54 is fixedly disposed in the second positioning groove 551 through a screw or a bolt.

Referring to fig. 5, the present embodiment further provides a knife bending machine, which includes a base 9, a supplying device 91 for supplying a knife strip is disposed outside the base 9, and a conveying device 92, a cutting device 93, a bridge opening device 94 and the above-mentioned chamfering device 95 are disposed on the base 9 in sequence along a processing direction.

A storage chamber is formed in the supply device 91, in which a knife strip is stored.

The conveyor 92 of this embodiment is used to convey the knife strip from the supply 91 to the cutter 93, the cutter 93 is used to cut a gap on the knife strip, and the bridge opening device 94 is used to cut a bridge opening on the knife strip.

The machine base 9 described in this embodiment may further be provided with other devices for processing the blade at a position behind the chamfering device 95 along the processing direction, for example: olecranon device, punching device and bending device etc..

In the chamfering device 95 and the knife bending machine provided by the embodiment, when in use, the knife belt in the supply device 91 sequentially enters the cutting device 93 through the conveying device 92 and the bridge opening device 94 of the cutting machine, then enters the chamfering groove 22 from one of the through grooves 23 on the side part of the mounting seat 2 of the chamfering device 95 after being processed, then extends out of the chamfering groove 22 from the through groove 23 on the other side of the mounting seat 2, the chamfering tool 37 is inserted into the accommodating hole 311, the chamfering tool 37 is fixed in the accommodating hole 311 through the locking piece 4, and the knife head 372 at the end part of the chamfering tool 37 is positioned outside the accommodating hole 311 and faces the chamfering groove 22; by arranging the receiving hole 311 of the rotating shaft 31, the chamfering tool 37 can be quickly mounted and dismounted only by inserting the chamfering tool 37 into the receiving hole 311 and locking the chamfering tool 37 by the locking member 4, so that the replacement efficiency of the chamfering tool 37 is improved, the mounting structure of the chamfering tool 37 of the chamfering device is simplified, and the mounting and dismounting efficiency of the chamfering tool 37 is improved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A chamfering apparatus, comprising:

the device comprises a base (1), wherein a mounting seat (2) is arranged on the base (1), and a mounting groove (21) is formed in the mounting seat (2);

the chamfer groove (22) is arranged on the mounting seat (2), and one end of the chamfer groove (22) is communicated with the mounting groove (21);

the through grooves (23) are formed in two side walls of the mounting seat (2), and the two through grooves (23) are communicated with the chamfer grooves (22);

the tool apron (3) is arranged in the mounting groove (21);

the rotating shaft (31) is arranged in the tool apron (3), two ends of the rotating shaft (31) extend out of the tool apron (3), and at least one end of the rotating shaft is arranged towards the chamfer groove (22);

the accommodating hole (311) is formed in the rotating shaft (31), and the accommodating hole (311) penetrates through two ends of the rotating shaft (31);

the locking piece (4) is sleeved at one end of the rotating shaft (31) departing from the mounting seat (2);

the driving motor (32) is arranged on the cutter holder (3), and a driving shaft of the driving motor (32) extends into the cutter holder (3) and is in transmission connection with the rotating shaft (31).

2. The chamfering apparatus according to claim 1, wherein the locking member (4) is in an elastic ring shape, an adjusting gap (41) is provided on the locking member (4), a locking screw hole (42) and a positioning hole (43) are provided on the locking member (4), ends of the locking screw hole (42) and the positioning hole (43) facing the adjusting gap (41) are both in communication with the adjusting gap (41), a locking screw (44) is provided in the positioning hole (43), and a bottom end of the locking screw (44) passes through the adjusting gap (41) and is in threaded connection with the locking screw hole (42).

3. The chamfering device according to claim 1, characterized in that a first drive cylinder (24) is provided on the end of the mounting seat (2) facing away from the mounting groove (21), a support (25) is provided on the end of the first drive cylinder (24), the support (25) at least partially fitting within the chamfer groove (22).

4. The chamfering device according to any one of claims 1 to 3, wherein a support seat (5) is provided above the mounting seat (2), an end of the support seat (5) is fixedly provided at a top end of the mounting seat (2), a mounting plate (51) is provided at an end of the support seat (5) away from the mounting seat (2), a sliding groove (52) is provided on the support seat (5), a movable sliding block (6) is provided in the sliding groove (52), and an end of the sliding block (6) facing the tool apron (3) is in transmission connection with the tool apron (3).

5. The chamfering apparatus according to claim 4, wherein a second driving cylinder (53) is fixedly provided on the mounting plate (51), a push-pull plate (54) is provided at an end of the second driving cylinder (53), a connecting plate (55) is fixedly provided at a bottom end of the push-pull plate (54), the sliding block (6) is fixedly provided at a bottom end of the connecting plate (55), two oppositely disposed guide blocks (56) are provided in the sliding groove (52), and the guide blocks (56) are in guiding engagement with the sliding block (6).

6. The chamfering device according to claim 5, wherein a first screw hole (511) is opened on the mounting plate (51), a first adjusting rod (7) is provided on a side of the mounting plate (51) away from the supporting seat (5), the first adjusting rod (7) is in threaded engagement with the first screw hole (511), and an end of the first adjusting rod (7) passes through the first screw hole (511) and faces the connecting plate (55).

7. The chamfering device according to claim 5, wherein fixing plates (33) are provided on both sides of the tool holder (3), the fixing plates (33) are at most partially embedded in the mounting groove (21), a connecting block (34) is provided between the two fixing plates (33), the connecting block (34) is at least partially connected to the sliding block (6) or a connecting plate (55), and the fixing plates (33) are connected to side walls of the connecting block (34).

8. The chamfering device according to claim 7, wherein a mounting block (35) is provided at a top end of the fixing plate (33), the fixing plate (33) is connected to bottoms of both ends of the mounting block (35), a second screw hole (351) is provided on the mounting block (35), a second adjusting rod (8) is provided at a top end of the mounting block (35), the second adjusting rod (8) is in threaded fit with the second screw hole (351), and a bottom end of the second adjusting rod (8) passes through the second screw hole (351) and faces the connecting block (34); the fixing plate (33) is provided with a lifting groove (331), the connecting block (34) is provided with a third screw hole (341), the fixing plate (33) is provided with a connecting column, the connecting column penetrates through the lifting groove (331) to be in threaded fit with the third screw hole (341), and a lifting gap is formed between the connecting column and the top end and/or the bottom end of the lifting groove (331).

9. The beveling apparatus according to claim 7, characterized in that a locking block (36) is provided on the tool holder (3), which locking block (36) is connected partly to the end of the tool holder (3) facing away from the mounting base (2) and partly to at least one of the fixing plates (33).

10. A knife bending machine, characterized in that it comprises a machine base (9), on said machine base (9) there are arranged successively in the machine direction a conveyor (92), a cutting device (93), a bridge opening device (94) and a chamfering device (95) according to any one of claims 1 to 9, and outside said machine base (9) there is arranged a supply device (91) connected to said conveyor (92).

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