CN212146766U - an angle cutting machine - Google Patents

Abstract

The utility model provides a corner cutting machine, including a frame, a left base, a right base and a driving mechanism for controlling the relative movement of the left base and the right base, a left corner cutting assembly is provided on the left base, the left corner cutting assembly includes a left lower knife, a left upper knife corresponding to the left lower knife and a left corner cutting driving unit for controlling the movement of the left upper knife, a right corner cutting assembly is provided on the right base, the right corner cutting assembly includes a right lower knife, a right upper knife corresponding to the right lower knife and a right corner cutting driving unit for controlling the movement of the right upper knife, a left supporting plate is provided at the lower end of the left base, a right supporting plate is provided at the lower end of the right base, the left lower knife is located on the left supporting plate, the right lower knife is located on the right supporting plate, a left positioning plate is provided on the left supporting plate of the left side of the left lower knife, a right positioning plate is provided on the supporting plate of the right side of the right lower knife, and an article placement position is formed between the left positioning plate and the right positioning plate. The utility model can improve the positioning accuracy of articles, make the corner cutting consistency good, neat and beautiful, high efficiency, and can reduce production costs.

Description

an angle cutting machine

technical field

The utility model relates to the technical field of angle cutting equipment, in particular to an angle cutting machine.

Background technique

After the production of traditional cards, business cards and books, the corners of the cards or books are all right angles and have a certain sharpness. In order to meet the requirements of beauty and safety, it is necessary to use a corner cutting machine to round the right angles into rounded corners. Patent document 2011204207385 discloses a hydraulic double-angle cutting machine. The hydraulic double-angle cutting machine includes a worktable on which adjustable left and right fixed seats are installed. The left oil cylinder for knife movement, the right upper knife and the right oil cylinder for controlling the movement of the right upper knife are installed on the right fixed seat, and the left and right lower knives are also installed on the worktable. , but there are still the following problems: in order to adapt to different widths of items, before cutting the corner, it is necessary to adjust the positions of the upper left knife and the lower left knife respectively, resulting in low work efficiency and high production cost. The right backboard is relatively fixed, and the distance between the left backboard and the right backboard needs to be greater than the width of the item before the item can be placed in the item processing position. This structure leads to a gap between the item and the positioning board, and the item is not processed again. Positioning, resulting in low positioning accuracy of items, poor consistency of cutting corners, and unsightly.

Utility model content

Aiming at the deficiencies in the prior art, the utility model provides an angle cutting machine, which can improve the positioning accuracy of articles, make the cutting angle uniform, neat and beautiful, and at the same time improve the work efficiency and reduce the production cost.

To achieve the above object, the present invention adopts the following technical scheme:

An angle-cutting machine, comprising a frame on which a left base, a right base and a driving mechanism for controlling the relative movement of the left base and the right base are arranged, and a left base is provided on the left base The left corner cutting assembly includes a left lower knife, a left upper knife corresponding to the left lower knife, and a left corner cutting drive unit that controls the movement of the left upper knife. The right base is provided with a right corner assembly, and the right corner assembly It includes a right lower knife, a right upper knife corresponding to the right lower knife, and a right corner cutting drive unit that controls the movement of the right upper knife. The lower end of the left base is provided with a left support plate, and the lower end of the right base is provided with a right support plate , the lower left knife is located on the left pallet, the lower right knife is located on the right pallet, the left pallet on the left side of the lower left knife is provided with a left positioning plate, and the pallet on the right side of the lower right knife A right positioning plate is provided, and an article placement position is formed between the left positioning plate and the right positioning plate.

As a preferred solution, a left accommodating groove is provided on the left pallet, the lower left knife can be adjusted and installed in the left accommodating groove, a right accommodating groove is provided on the right pallet, and the lower right knife is provided with a right accommodating groove. The knife can be adjusted and installed in the right accommodating groove.

As a preferred solution, a left threaded hole is provided on the side of the left accommodating groove away from the upper left knife, the left threaded hole is provided with a lower left knife adjusting screw, and the free end of the lower left knife adjusting screw extends into the left container The setting groove collides with the lower left knife, the right accommodating groove is provided with a right threaded hole on the side away from the upper right knife, the right threaded hole is provided with an adjusting screw for the lower right knife, and the free end of the adjusting screw for the lower right knife extends The right accommodating slot is in conflict with the lower right knife.

As a preferred solution, a left mounting block is provided on the left side of the left positioning plate, the left positioning plate can be adjusted and installed on the left support plate through the left mounting block, and a right positioning plate is provided on the right side of the right positioning plate. An installation block, the right positioning plate can be adjusted left and right to be installed on the right support plate through the right installation block.

As a preferred solution, a left baffle plate and a right baffle plate for blocking the front end of the article are respectively provided on the left support plate and the right support plate.

As a preferred solution, the left support plate is provided with a left punch notch for the downward movement of the upper left knife, and the right support plate is provided with a right punch notch for the downward movement of the right upper knife.

As a preferred solution, the left corner cutting assembly further includes a left upper knife seat for installing the left upper knife, the left base is provided with a vertically arranged left linear guide, and the left upper knife seat slides with the left linear guide Connected and controlled by the left corner cutting drive unit to move up and down along the left linear guide rail, the left upper knife seat is provided with a left blowing pipe driven by the left upper knife seat, and the right corner cutting assembly also includes a right upper knife for installing the right upper knife. The knife seat, the right base is provided with a vertically arranged right linear guide rail, the right upper knife seat is slidably connected with the right linear guide rail and is controlled by the right corner cutting drive unit to move up and down along the right linear guide rail, the right upper knife seat There is a right air blowing pipe which is driven and moved by the upper right knife base.

As a preferred solution, the left upper knife seat is provided with a left installation groove, one or both sides of the left installation groove is provided with a left installation through hole, and the left upper knife is installed in the left installation through hole through a bolt. On the left upper knife seat, the right upper knife seat is provided with a right installation groove, one side or both sides of the right installation groove is provided with a right installation through hole, and the right upper knife is installed on the upper right through a bolt through the right installation through hole on the knife holder.

As a preferred solution, a left pressing component is arranged above the lower left knife, a right pressing component is arranged above the lower right knife, and the left pressing component includes a left pressing block and a control left pressing block A left abutting cylinder that moves up and down, the left abutting cylinder is mounted on the left base through a left connecting plate, and the right abutting assembly includes a right abutting block and a right abutting cylinder that controls the up and down movement of the right abutting block, The right pressing cylinder is mounted on the right base through the right connecting plate.

As a preferred solution, the drive mechanism includes a positioning drive unit and an adjustment drive unit, a guide rod is provided on the frame, the left base is slidably connected to the guide rod through a left guide sleeve, and is controlled by the positioning drive unit along the The guide rod moves in the axial direction, the right base is slidably connected to the guide rod through the right guide sleeve, and is controlled by the adjustment driving unit to move in the axial direction of the guide rod. The positioning driving unit is a positioning driving cylinder, and the positioning The drive cylinder is installed on the left base, the movable joint of the positioning drive cylinder is connected with the frame, the adjustment drive unit includes an adjustment screw, the axial direction of the adjustment screw is the same as the axial direction of the guide rod, The adjusting screw rod is screwed and connected with the right base, and one end of the adjusting screw rod is connected with an adjusting hand wheel.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically,

1. A left base, a right base and a drive mechanism for controlling the relative movement of the left base and the right base are arranged on the frame. The left base is provided with an upper knife and a left corner cutting drive unit, and the right base is provided with a drive unit. There is a right upper knife and a right corner cutting drive unit. , the left pallet on the left side of the lower left knife is provided with a left positioning plate, and the pallet on the right side of the lower right knife is provided with a right positioning plate. , the drive mechanism controls the relative movement of the left base and the right base, so that the left positioning plate and the right positioning plate press against the two ends of the item, thereby improving the positioning accuracy of the item, making the cutting angle consistent, neat and beautiful, and adaptable Depending on the width of the items, there is no need to frequently adjust the positions of the upper and lower knives, which results in high work efficiency and reduced production costs.

2. The lower end of the left base is provided with a left support plate, the lower end of the right base is provided with a right support plate, the left support plate is provided with a left accommodating groove, and the lower left knife can be adjusted and installed in the left accommodating groove, and the right There is a right accommodating groove on the pallet, and the lower right knife can be adjusted and installed in the right accommodating groove, so that the vertical distance between the lower left knife and the upper left knife can be adjusted, and the vertical distance between the lower right knife and the upper right knife can be adjusted, so that the lower left knife can be adjusted. The knife and the upper left knife and the lower right knife and the upper right knife fit more tightly during the corner cutting process, which is more conducive to cutting corners of items and improving the efficiency of corner cutting.

3. Through the left and right linear guide rails, the left and right upper tool holders are slidably connected with the left and right linear guide rails respectively to improve the running stability of the left and right upper tool holders; Scrap piles up.

4. The left positioning plate can be adjusted left and right to be installed on the left support plate, and the right positioning plate can be adjusted left and right to be installed on the right support plate. The distance between the left positioning plate and the right positioning plate can be fine-tuned to avoid the left positioning plate caused by excessive spacing. The two ends of the article cannot be pressed against the right positioning plate, and the problem of deformation of the article caused by the left positioning plate and the right positioning plate due to the too small distance can be avoided, and the article can be effectively protected.

In order to more clearly illustrate the structural features, technical means and the specific purposes and functions achieved by the present utility model, the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the embodiment of the present utility model;

Fig. 2 is the partial enlarged schematic diagram of A part in Fig. 1;

3 is a schematic diagram of the assembly structure of the left base, the left corner component and the left positioning plate according to the embodiment of the present invention;

Fig. 4 is the exploded schematic diagram of Fig. 3;

5 is a schematic diagram of the assembly structure of the right base, the right corner-cutting component and the right positioning plate according to the embodiment of the present invention;

FIG. 6 is an exploded schematic view of FIG. 5 .

Description of drawings:

10-frame; 11-platform; 12-positioning drive cylinder;

13-guide rod; 14-adjustment drive unit; 15-adjustment screw;

16- Adjustment hand wheel; 20- Left base; 21- Left upper knife;

22-left upper knife seat; 221-left installation slot; 222-left installation through hole;

223-left blowing pipe; 23-left slider; 24-left linear guide;

25-left connecting arm; 26-left slide cylinder; 27-left guide sleeve;

28-left lower knife; 29-left pallet; 291-left chute;

30-left baffle; 31-left induction switch; 32-left accommodating slot;

33-left hopper; 34-left positioning plate; 35-left mounting block;

351-left mounting hole; 36-left positioning plate adjusting screw; 37-left punching notch;

38-left connecting plate; 39-left pressing cylinder; 391-left pressing block;

40-right base; 401-nut; 41-right upper knife;

42-right upper knife seat; 421-right installation slot; 422-right installation through hole;

423-right blowing pipe; 43-right slider; 44-right linear guide;

45-right connecting arm; 46-right slide cylinder; 47-right guide sleeve;

48-Right lower knife; 481-Right through hole; 49-Right pallet;

491-right chute; 492-right threaded hole; 50-right baffle;

51-Right induction switch; 52-Right storage tank; 53-Right hopper;

54-right positioning plate; 55-right mounting block; 551-right mounting hole;

56-right positioning plate adjusting screw; 57-right punching notch; 58-right connecting plate;

59-right abutting cylinder; 591-right abutting block.

Detailed ways

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

As shown in FIGS. 1-6 , an angle cutting machine includes a frame 10 on which a left base 20 , a right base 40 and a control for controlling the relative movement of the left base 20 and the right base 40 are arranged on the frame 10 A drive mechanism, the drive mechanism includes a positioning drive unit and an adjustment drive unit 14, the frame 10 is provided with a guide rod 13, the left base 20 is slidably connected to the guide rod 13 through a left guide sleeve 27 and is driven by the positioning The unit controls the movement along the axial direction of the guide rod 13, the right base 40 is slidably connected with the guide rod 13 through the right guide sleeve 47 and is controlled by the adjustment drive unit 14 to move along the axial direction of the guide rod 13, the positioning drive The unit is a positioning driving cylinder 12, the positioning driving cylinder 12 is installed on the left base 20, the movable joint of the positioning driving cylinder 12 is connected with the frame 10, the adjusting driving unit 14 includes an adjusting screw 15, the The axial direction of the adjusting screw 15 is the same as the axial direction of the guide rod 13 , the right base 40 is provided with a nut 401 , and the adjusting screw 15 is screwed with the nut 401 . One end is connected with the adjustment hand wheel 16, and the left base 20 is provided with a left corner cutting assembly, the left corner cutting assembly includes a left lower knife 28, a left upper knife 21 corresponding to the left lower knife 28, and a left upper knife 21. The corner cutting drive unit, the right base 40 is provided with a right corner cutting assembly, and the right corner cutting assembly includes a right lower knife 48, a right upper knife 41 corresponding to the right lower knife 48, and a right cutting knife 41 that controls the movement of the right upper knife 41. Angle drive unit, the lower end of the left base 20 is provided with a left support plate 29, the lower end of the right base 40 is provided with a right support plate 49, the left lower knife 28 is located on the left support plate 29, the right lower The knife 48 is located on the right supporting plate 49, the left supporting plate 29 on the left side of the lower left knife 28 is provided with a left positioning plate 34, and the supporting plate on the right side of the lower right knife 48 is provided with a right positioning plate 54. An article placement position is formed between the left positioning plate 34 and the right positioning plate 54 , a platform 11 is arranged on one side of the article placement position, a left pressing component is arranged above the left lower knife 28 , and the right lower knife is 48 is provided with a right abutting assembly, the left abutting assembly includes a left abutting block 391 and a left abutting cylinder 39 that controls the up and down movement of the left abutting block 391, and the left abutting cylinder 39 passes through the left connecting plate 38. Installed on the left base 20, the right abutting component includes a right abutting block 591 and a right abutting cylinder 59 that controls the up and down movement of the right abutting block 591. on the right base 40.

The left support plate 29 is provided with a left accommodating groove 32, the left lower knife 28 can be adjusted and installed in the left accommodating groove 32, and the right supporting plate 49 is provided with a right accommodating groove 52, The knife 48 can be adjusted and installed in the right accommodating groove 52, the left accommodating groove 32 is provided with a left threaded hole (not shown) on the side away from the left upper knife 28, and the left threaded hole is provided with a left lower knife adjusting screw (not shown), the free end of the left lower knife adjusting screw extends into the left accommodating groove 32 and collides with the left lower knife 28, and the right accommodating groove 52 is provided with a right threaded hole 492 on the side away from the right upper knife 48, so The right threaded hole 492 is provided with a right lower knife adjusting screw (not shown), and the free end of the right lower knife adjusting screw extends into the right accommodating groove 52 and collides with the right lower knife 48. The left lower knife 28 is provided with a screw. There is a left through hole (not shown) extending along its length direction, the left accommodating slot 32 is provided with a left screw hole (not shown) corresponding to the left through hole, and the lower right knife 48 is provided with a left screw hole (not shown). The right through hole 481 extending along its length direction, the right accommodating slot 52 is provided with a right screw hole (not shown) corresponding to the right through hole 481, during assembly, the upper surface of the lower left knife 28 and the left The upper surface of the supporting plate 29 is flush, and the upper surface of the lower right knife 48 is flush with the upper surface of the right supporting plate 49. The inner degree of the accommodating groove 32 and the depth of the right lower knife adjusting screw extending into the right accommodating groove 52 reduce the vertical distance between the lower left knife 28 and the upper left knife 21 and the lower right knife 48 and the upper right knife 41, so that the lower left knife 28 and the upper right knife 41 are separated. The upper left knife 21 , the lower right knife 48 and the upper right knife 41 fit more tightly during the corner cutting process, which is more conducive to corner cutting of items and improves the corner cutting efficiency

It should be noted that the adjusting screw can also be used instead of the adjusting screw, and the adjusting screw can also be replaced by a gasket or a spacer.

The left positioning plate 34 is provided with a left mounting block 35 on the left side, the left positioning plate 34 can be adjusted and installed on the left support plate 29 through the left mounting block 35, and a right positioning plate 54 is provided on the right side. The mounting block 55, the right positioning plate 54 can be adjusted left and right to be installed on the right supporting plate 49 through the right mounting block 55, and the left supporting plate 29 is provided with a left chute 291 corresponding to the left mounting block 35. The chute 291 extends in the left-right direction, and the left positioning plate 34 is movably mounted on the left chute 291 through the left mounting block 35 . The left mounting block 35 extends in the moving direction of the elongated mounting hole, the left chute 291 is provided with a left connecting hole (not shown) corresponding to the left mounting hole 351, and the right support plate 49 is provided with a left connecting hole (not shown). The right chute 491 corresponding to the right mounting block 55, the right positioning plate 54 is movably arranged on the right chute 491 through the right mounting block 55, the right chute 491 extends in the left-right direction, and the right mounting block 55 is provided on the right chute 491. There is a right mounting hole 551, the right mounting hole 551 is an elongated mounting hole extending along the moving direction of the right mounting block 55, and the right sliding slot 491 is provided with a right connecting hole (not shown) corresponding to the right mounting hole 551. shown), the left support plate 29 is provided with a left positioning plate adjustment screw 36, the right support plate 49 is provided with a right positioning plate adjustment screw 56, and the extension end of the left positioning plate adjustment screw 36 is connected to the left The mounting block 35 is in conflict, and the protruding end of the right positioning plate adjusting screw 56 is in conflict with the right mounting block 55. By setting the left positioning plate adjusting screw 36 and the right positioning plate adjusting screw 56, the left positioning plate 34 and the right positioning plate can be adjusted. The spacing of 54 is fine-tuned to prevent the left positioning plate 34 and the right positioning plate 54 from being pressed against both ends of the article due to the excessive distance, and to avoid the problem of deformation of the article caused by the left positioning plate 34 and the right positioning plate 54 caused by the too small distance. Can effectively protect the articles, the left support plate 29 and the right support plate 49 are respectively provided with a left baffle 30 and a right baffle 50 for blocking the front end of the article, and the left baffle 30 and the right baffle 50 are respectively provided with For the left induction switch 31 and the right induction switch 51, the left support plate 29 is provided with a left punch notch 37 for the downward movement of the upper left knife 21, and the right support plate 49 is provided with a right punch cut for the downward movement of the right upper knife 41. 57. The left punching cutout 37 runs through the upper and lower surfaces of the left support plate 29, the right punching cutout 57 passes through the upper and lower surfaces of the right support plate 49, and a left hopper 33 is provided below the left punching cutout 37 and the right punching cutout 57 respectively. and right hopper 53.

The left corner cutting assembly further includes a left upper knife seat 22 for installing the left upper knife 21, the left base 20 is provided with a vertically arranged left linear guide 24, and the left upper knife seat 22 is connected with the left slider 23 through the left sliding block 23. The left linear guide 24 is slidably connected and moves up and down along the left linear guide 24 under the control of the left corner cutting drive unit. The movable joint of the table cylinder 26 is connected, and the left upper knife seat 22 is provided with a left blowing pipe 223 that is driven and moved by the left upper knife seat 22, and the right corner cutting assembly also includes a right upper knife seat 42 for installing the right upper knife 21, The right base 40 is provided with a vertically arranged right linear guide 44, and the right upper knife seat 42 is slidably connected to the right linear guide 44 through the right slider 43 and is controlled by the right corner cutting drive unit to move up and down along the right linear guide 44. The right angle cutting drive unit is the right slide cylinder 46, the right upper knife seat 42 is connected with the movable joint of the right slide cylinder 46 through the right connecting arm 45, and the right upper knife seat 42 is provided with a right upper knife The seat 42 drives the movable right air blowing pipe 423, and by arranging the left air blowing pipe 223 and the right air blowing pipe 423, the excised waste material is cleaned up in time to avoid the accumulation of waste material. One side of the installation groove 221 is provided with a left installation through hole 222, the left upper knife 21 is installed on the left upper knife seat 22 through the left installation through hole 222 through a bolt, and the right upper knife seat 42 is provided with a right installation groove 421, One side of the right installation slot 421 is provided with a right installation through hole 422, and the right upper knife 41 is installed on the right upper knife seat 42 through the right installation through hole 422 through a bolt. When the left upper knife 21 is installed, the extension end of the bolt Press the side wall surface of the upper left knife 21. When the upper right knife 41 is installed, the protruding end of the bolt presses the side wall surface of the upper right knife 41. In this embodiment, left installation through holes can also be provided on both sides of the left installation groove 221. 222 , right mounting through holes 422 are provided on both sides of the right mounting slot 421 .

The working principle of the utility model is as follows: the operator places the item (such as a book) on the item placement position between the left positioning plate 34 and the right positioning plate 54, and pushes the item to move forward to make it connect with the left baffle 30 and the right baffle The plate 50 is pressed and contacted. After the left sensing switch 31 and the right sensing switch 51 sense the article, the positioning driving cylinder 12 controls the left base 20 to move toward the right base 40, so that the left positioning plate 34 and the right positioning plate 54 are respectively connected with the object. The two ends are pressed and contacted, and the article is positioned. The left pressing cylinder 39 and the right low pressure cylinder respectively control the left pressing block 391 and the right pressing block 591 to move down and press the corners of the two ends of the article, and the left sliding table cylinder 26 and the right sliding The table cylinder 46 controls the upper left knife 21 and the upper right knife 41 to move down respectively to cut off the corners at both ends of the article. The left blowing pipe 223 and the right blowing pipe 423 blow the cut waste into the left punching cut 37 and the right punching cut 57 respectively.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments according to the technology of the present invention are still It belongs to the scope of the technical solution of the present invention.

Claims (10)

1. An angle cutting machine, characterized in that it comprises a frame, and the frame is provided with a left base, a right base and a drive mechanism that controls the relative movement of the left base and the right base, and the left base A left corner-cutting assembly is arranged on it, and the left corner-cutting assembly includes a left lower knife, a left upper knife corresponding to the left lower knife, and a left corner-cutting driving unit that controls the movement of the left upper knife. The right base is provided with a right cornering assembly, The right corner cutting assembly includes a right lower knife, a right upper knife corresponding to the right lower knife, and a right corner cutting drive unit that controls the movement of the right upper knife. The lower end of the left base is provided with a left support plate, and the right base is The lower end is provided with a right supporting plate, the lower left knife is located on the left supporting plate, the lower right knife is located on the right supporting plate, the left supporting plate on the left side of the lower left knife is provided with a left positioning plate, and the lower right knife is located on the left supporting plate. A right positioning plate is arranged on the pallet on the right side, and an article placement position is formed between the left positioning plate and the right positioning plate. 2 . The angle cutting machine according to claim 1 , wherein a left accommodating groove is provided on the left supporting plate, the left lower knife can be adjusted and installed in the left accommodating groove, and the right supporting The plate is provided with a right accommodating groove, and the right lower knife can be adjusted and installed in the right accommodating groove. 3. An angle cutting machine according to claim 2, wherein a left threaded hole is provided on the side of the left accommodating groove away from the upper left knife, and a left lower knife adjusting screw is arranged in the left threaded hole, The free end of the left lower knife adjusting screw extends into the left accommodating groove and collides with the left lower knife, the side of the right accommodating groove away from the right upper knife is provided with a right threaded hole, and the right threaded hole is provided with a right lower knife adjustment A screw, the free end of the right lower knife adjusting screw extends into the right accommodating groove and collides with the right lower knife. 4 . The angle cutting machine according to claim 2 , wherein a left mounting block is provided on the left side of the left positioning plate, and the left positioning plate can be adjusted and installed on the left supporting plate through the left mounting block. 5 . The right side of the right positioning plate is provided with a right mounting block, and the right positioning plate can be adjusted left and right to be mounted on the right supporting plate through the right mounting block. 5. An angle cutting machine according to claim 1 or 2, characterized in that, the left and right support plates are respectively provided with a left baffle and a right baffle for blocking the front end of the article. 6. An angle cutting machine according to claim 1 or 2, characterized in that, the left support plate is provided with a left punching notch for the downward movement of the upper left knife, and the right support plate is provided with a left upper knife for the direction of the upper right knife. Lower active right punch incision. 7 . The angle cutting machine according to claim 1 , wherein the left angle cutting assembly further comprises an upper left knife seat for installing an upper left knife, and the left base is provided with a vertically arranged left Linear guide rail, the left upper knife seat is slidably connected with the left linear guide rail and is controlled by the left corner cutting drive unit to move up and down along the left linear guide rail. The right corner cutting assembly also includes a right upper knife seat for installing the right upper knife, the right base is provided with a vertically arranged right linear guide rail, the right upper tool seat is slidably connected with the right linear guide rail and is driven by the right corner cutting drive unit. It is controlled to move up and down along the right linear guide rail, and the right upper knife seat is provided with a right blowing pipe which is driven and moved by the right upper knife seat. 8 . The angle cutting machine according to claim 7 , wherein a left mounting groove is provided on the upper left knife holder, and a left mounting through hole is provided on one side or both sides of the left mounting groove, so the The upper left knife is installed on the upper left knife seat through bolts through the left installation through hole, the right upper knife seat is provided with a right installation groove, one side or both sides of the right installation groove is provided with a right installation through hole, the The right upper knife is mounted on the right upper knife seat through a bolt through the right mounting through hole. 9 . The angle cutting machine according to claim 1 , wherein a left pressing component is arranged above the lower left knife, a right pressing component is arranged above the lower right knife, and the left pressing The pressing assembly includes a left pressing block and a left pressing cylinder that controls the up and down movement of the left pressing block, the left pressing cylinder is installed on the left base through the left connecting plate, and the right pressing assembly includes a right pressing block and The right abutting cylinder controls the up and down movement of the right abutting block, and the right abutting cylinder is mounted on the right base through the right connecting plate. 10 . The angle cutting machine according to claim 1 , wherein the driving mechanism comprises a positioning driving unit and an adjusting driving unit, a guide rod is provided on the frame, and the left base is guided by the left The sleeve is slidably connected with the guide rod and controlled by the positioning driving unit to move in the axial direction of the guide rod, the right base is slidably connected with the guide rod through the right guide sleeve and controlled by the adjustment driving unit to move along the axial direction of the guide rod, The positioning driving unit is a positioning driving cylinder, the positioning driving cylinder is installed on the left base, the movable joint of the positioning driving cylinder is connected with the frame, and the adjusting driving unit includes an adjusting screw rod. The axial direction of the adjusting screw rod is the same as that of the guide rod, the adjusting screw rod is screwed with the right base, and one end of the adjusting screw rod is connected with an adjusting hand wheel.

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