Die cutting machine with cutting angle convenient to adjust

Abstract

The utility model relates to the technical field of die-cutting machines, and discloses a die-cutting machine convenient for adjusting a cutting angle, which comprises a machine tool main body, and a lifting frame is arranged on the machine tool main body. According to the die-cutting machine capable of conveniently adjusting the cutting angle, different upper die-cutting plates can be conveniently mounted and dismounted through the first locking mechanism so as to meet the machining requirement of different products, then the adjusting screw rod is rotated to drive the connecting rod to apply pushing force or pulling force to the mounting base, and due to the fact that the mounting base is coaxially arranged with the center of the lifting frame through the rotating shaft and is limited, the cutting angle can be conveniently adjusted. Furthermore, the central horizontal angle of the upper die cutting plate on the mounting seat relative to the lifting frame is adjusted in a linkage manner while the adjusting screw rod is rotated; the effects that the upper die cutting plate is simply and conveniently replaced to meet the machining requirement of different products, and meanwhile it is guaranteed that the error of the assembly clearance can be eliminated through the rotating shaft, the mounting base, the positioning ring, the screw rod, the connecting rod and other structures when the upper die cutting plate is used for a long time, so that the product machining precision and machining quality are improved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of die cutting machines, in particular to a die cutting machine which is convenient for adjusting the cutting angle. Background Art

[0002] The die-cutting machine, also known as a CNC punching machine, is a machine used for die-cutting operations on some non-metallic materials (such as release films, foam glue, self-adhesive labels and double-sided tapes, etc.). The principle is to pressurize the die-cutting plate to cut the material to form a finished product. For example, the foam material can be cut into specific shapes and sizes to meet different usage requirements. The cut foam glue can be used for the pasting, fixing, noise reduction, shockproofing and sealing of specific hooks, furniture, toys or handicrafts.

[0003] Traditional die-cutting machines generally do not have an angle adjustment mechanism between the die-cutting plate and the lifting frame. Different die-cutting plates usually need to be replaced for different processed products. The positioning part of the die-cutting plate relative to the lifting frame is easily worn during installation and disassembly, resulting in a relatively enlarged assembly gap, which leads to poor cutting accuracy of the die-cutting plate on the material and affects the product processing quality. Therefore, a die-cutting machine that is easy to adjust the cutting angle is proposed to solve the above technical problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a die-cutting machine that is easy to adjust the cutting angle, which has the advantages of being easy to adjust the cutting angle, improving product processing accuracy and processing quality, etc., and solves the problem that traditional die-cutting machines generally do not have a mechanism for adjusting the angle of the die-cutting plate and the lifting frame, and different die-cutting plates usually need to be replaced for different processed products. The positioning part of the die-cutting plate relative to the lifting frame is easily worn during the installation and disassembly process, resulting in a relatively enlarged assembly gap, resulting in poor cutting accuracy of the die-cutting plate on the material and affecting the product processing quality.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-cutting machine which is convenient for adjusting the cutting angle, comprising a machine tool main body, a lifting frame being arranged on the machine tool main body, a rotating shaft being arranged through the central part of the lifting frame in a vertical direction, a mounting seat being arranged below the lifting frame and at the bottom of the rotating shaft, a positioning ring being arranged on the periphery of the rotating shaft and above the lifting frame, a first locking mechanism being arranged on the mounting seat, an upper die-cutting plate being arranged on the first locking mechanism, the first locking mechanism being used for selectively locking the upper die-cutting plate and the mounting seat, an adjusting screw being arranged on the machine tool main body, one end of the adjusting screw being hinged with a connecting rod, an end of the connecting rod being hinged with the mounting seat away from the adjusting screw, the adjusting screw being used for spirally extending and retracting relative to the machine tool main body and driving the mounting seat to rotate axially relative to the lifting frame along the rotating shaft through the connecting rod, a lower die-cutting plate being arranged on the machine tool main body and at the lower part of the upper die-cutting plate.

[0008] Preferably, the first locking mechanism includes a first adjusting handle, a first screw rod and a hanging plate. The first screw rod is threadedly connected to the mounting seat in the vertical direction. A hanging plate for hooking the die-cutting board is provided at the bottom of the first screw rod. A first adjusting handle is provided at the top of the first screw rod. A first arc groove corresponding to the first adjusting handle is provided on the lifting frame.

[0009] Preferably, a turning handle is provided on the mounting seat and above the upper die-cutting plate, and a notch corresponding to the upper die-cutting plate is provided on the circumferential surface of the turning handle. The turning handle is used to rotate axially and cooperate with the notch thereon to selectively lock the upper die-cutting plate and the mounting seat.

[0010] Preferably, an adjusting screw is provided on the front side of the upper die-cutting plate and in the horizontal direction, and the back side of the adjusting screw selectively abuts against the mounting seat, and the adjusting screw is used to cooperate with the turning handle to selectively lock the front-to-rear distance of the upper die-cutting plate relative to the mounting seat.

[0011] Preferably, it further comprises a second locking mechanism, which is arranged on the lifting frame and extends into the mounting seat, and is used for selectively locking the relative angle between the mounting seat and the lifting frame.

[0012] Preferably, the second locking mechanism includes a second adjusting handle, a second screw rod and a brake plate. A second screw rod is threadedly connected in the vertical direction on the lifting frame and located on the periphery of the rotating shaft. A brake plate is provided at the bottom of the second screw rod, and a second adjusting handle is provided at the top of the second screw rod. A groove matching the brake plate is provided at the top of the mounting seat, the vertical cross-section of the groove is a T-shaped surface, and the transverse cross-section of the groove is an arc-shaped surface.

[0013] Preferably, the number of the second adjustment handle, the number of the second screw rod and the number of the brake plates are two, and the two brake plates are symmetrically distributed on the front and rear sides of the rotating shaft.

[0014] Preferably, the number of the first adjustment handle, the number of the first screw rod and the number of the hanging plates are four, and the four hanging plates are symmetrically distributed on the mounting seat.

[0015] Preferably, a radial bearing is provided on the lifting frame and on the outer wall of the rotating shaft.

[0016] Preferably, an axial bearing is provided between the lifting frame and the mounting seat.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a die-cutting machine that is easy to adjust the cutting angle, and has the following beneficial effects:

[0019] The die-cutting machine, which is easy to adjust the cutting angle, drives the rotating shaft and the mounting seat to reciprocate in the vertical direction relative to the lifting frame through the lifting frame, thereby driving the upper die-cutting plate to approach or move away from the lower die-cutting plate, thereby performing die-cutting operations on products such as release films, foam adhesives, self-adhesive labels or double-sided adhesive tapes. The first locking mechanism is convenient for installing and disassembling different upper die-cutting plates to meet the processing of different products, and then the connecting rod is driven by rotating the adjusting screw to apply thrust or pulling force to the mounting seat. Since the mounting seat is limited by the coaxial arrangement of the rotating shaft and the center part of the lifting frame, the upper die-cutting plate on the mounting seat relative to the center horizontal angle of the lifting frame can be adjusted while rotating the adjusting screw, so that the upper die-cutting plate can be replaced simply and conveniently to meet the processing of different products. At the same time, the wear of the upper die-cutting plate caused by long-term use can be guaranteed. The error of the assembly gap can be eliminated through the structures such as the rotating shaft, the mounting seat, the positioning ring, the screw and the connecting rod, so as to improve the processing accuracy and processing quality of the products, and relatively extend the service life of the upper die-cutting plate and the mounting seat, reduce the labor intensity and production cost of the staff, and shorten the maintenance cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the die-cutting machine structure proposed by the utility model;

[0021] Figure 2 A top view of the local structure of the die-cutting machine proposed in the utility model;

[0022] Figure 3 for Figure 2 Partial cross-sectional view at AA in the middle;

[0023] Figure 4 for Figure 2 Partial cross-sectional view at the middle BB;

[0024] Figure 5 This is a front cross-sectional view of the local structure of the die-cutting machine proposed by the utility model. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5A die-cutting machine that is convenient for adjusting the cutting angle comprises a machine tool body 1, a lifting frame 2 is arranged on the machine tool body 1, the lifting frame 2 can reciprocate in the vertical direction relative to the machine tool body 1, a rotating shaft 3 is installed in the central part of the lifting frame 2 in a vertical direction, a mounting seat 4 is fixedly installed below the lifting frame 2 and at the bottom of the rotating shaft 3, a positioning ring 5 is arranged on the periphery of the rotating shaft 3 and above the lifting frame 2, the positioning ring 5 is used to limit the vertical movement of the rotating shaft 3 relative to the lifting frame 2, a first locking mechanism 6 is arranged on the mounting seat 4, an upper die-cutting plate 7 is arranged on the first locking mechanism 6, a card slot corresponding to the mounting seat 4 and the first locking mechanism 6 is opened on the upper die-cutting plate 7, and the first locking mechanism 6 is arranged on the upper die-cutting plate 7. It is used to selectively lock the upper die-cutting plate 7 and the mounting seat 4. When the first locking mechanism 6 is in the unlocked state, the upper die-cutting plate 7 can slide in the front-rear direction relative to the mounting seat 4, so as to facilitate the replacement and maintenance of different upper die-cutting plates 7 to meet the punching processing requirements of different products. An adjusting screw 8 is provided on the machine tool body 1. One end of the adjusting screw 8 is hinged with a connecting rod 9. The end of the connecting rod 9 away from the adjusting screw 8 is hinged with the mounting seat 4. The adjusting screw 8 is used for spiral extension relative to the machine tool body 1 and drives the mounting seat 4 to rotate axially along the rotating shaft 3 relative to the lifting frame 2 through the connecting rod 9. A lower die-cutting plate 10 is provided on the machine tool body 1 and below the upper die-cutting plate 6; when in use, the lifting frame 2 is driven The movable shaft 3 and the mounting seat 4 reciprocate relative to the vertical direction, thereby driving the upper die-cutting plate 7 to move closer to or away from the lower die-cutting plate 10, thereby performing die-cutting operations on products such as release films, foam adhesives, self-adhesive stickers or double-sided adhesive tapes. When the die-cutting plate is easily worn relative to the positioning position of the lifting frame during repeated installation and disassembly, resulting in a relatively enlarged assembly gap, it is necessary to rotate the adjusting screw 8 clockwise or counterclockwise. The adjusting screw 8 extends or retracts relative to the machine tool body 1 along its axial direction and drives the connecting rod 9 to apply a thrust or a pull to the mounting seat 4. Since the mounting seat 4 is limited by the coaxial arrangement of the rotating shaft 3 and the central part of the lifting frame 2, the clockwise or counterclockwise rotation of the adjusting screw 8 makes the adjusting screw 8 extend or retract relative to the machine tool body 1 and drives the connecting rod 9 to apply a thrust or a pull to the mounting seat 4. The needle rotates the adjusting screw 8 and simultaneously links to adjust the horizontal angle of the upper die-cutting plate 7 on the mounting seat 4 relative to the center of the lifting frame 2, so that the upper die-cutting plate 7 can be replaced simply and conveniently to meet the processing of different products. At the same time, the wear of the upper die-cutting plate 7 caused by long-term use can be ensured. The error of the assembly gap can also be eliminated through structures such as the rotating shaft 3, the mounting seat 4, the positioning ring 5, the screw 8 and the connecting rod 9 to improve the product processing accuracy and processing quality, and relatively extend the service life of the upper die-cutting plate 7 and the mounting seat 4, avoiding the wear of the upper die-cutting plate 7 and the mounting seat 4 during multiple loading and unloading processes, which affects the processing accuracy and requires frequent replacement of new accessories, resulting in high production and manufacturing costs, high labor intensity and long maintenance cycles.

[0027] Furthermore, the first locking mechanism 6 includes a first adjusting handle 61, a first screw rod 62 and a hanging plate 63. The mounting seat 4 is threadedly connected with the first screw rod 62 in the vertical direction. The bottom of the first screw rod 62 is movably installed with a hanging plate 63 for hooking the upper die-cutting board 7. The top of the first screw rod 62 is fixedly installed with the first adjusting handle 61. The lifting frame 2 is provided with a first arc groove a corresponding to the first adjusting handle 61. By rotating the first adjusting handle 61, the first adjusting handle 61 drives the first screw rod 62 to interact with the thread on the mounting seat 4, thereby driving the hanging plate 63 to move in the vertical direction, so that the hanging plate 63 can drive the upper die-cutting board 7 to selectively bite and lock relative to the mounting seat 4, thereby making the upper die-cutting board 7 The die-cutting machine is convenient for replacing the upper die-cutting plate 7 to meet the punching processing of different products. At the same time, the first arc groove a on the lifting frame 2 allows the first adjustment handle 61 to have a certain movement space relative to the lifting frame 2, that is, when the adjusting screw 8 adjusts the horizontal angle of the upper die-cutting plate 7 relative to the center of the lifting frame 2, there is no need to adjust the first locking mechanism 6 in advance to lock the upper die-cutting plate 7 and the mounting seat 4, thereby avoiding interference between the adjusting screw 8 and the first locking mechanism 6. That is, horizontally adjusting the angle between the mounting seat 4 and the lifting frame 2 by adjusting the screw 8 is independent of the process operation of selectively replacing the upper die-cutting plate 7 by the first locking mechanism 6, making the die-cutting machine more convenient to use.

[0028] It should be noted that the first locking mechanism 6 in the above technical solution includes a first adjusting handle 61, a first screw rod 62 and a hanging plate 63 for use in combination, and the first screw rod 62 is vertically arranged. A horizontally arranged hand-cranked screw rod clamp can also be used to selectively lock the upper die-cutting plate 7 and the mounting seat 4, as long as it can ensure that the upper die-cutting plate 7 and the mounting seat 4 can be selectively locked.

[0029] Furthermore, a handle 10 is provided on the mounting seat 4 and above the upper die-cutting plate 7. A notch 12 corresponding to the upper die-cutting plate 7 is provided on the circumferential surface of the handle 10. The handle 10 is used to rotate along the axial direction and cooperate with the notch 12 thereon to selectively lock the upper die-cutting plate 7 and the mounting seat 4. Since the upper die-cutting plate 7 in the above technical solution slides horizontally into the first locking mechanism 6 and the mounting seat 4 or slides horizontally out from the first locking mechanism 6 and the mounting seat 4 to realize the replacement of different upper die-cutting plates 7, such as Figure 1-5As shown, the hanging plate 63 on the first locking mechanism 6 only lifts the bottom of the upper die-cutting plate 7 and locks it against the mounting seat 4. Therefore, on the basis of the above scheme, the present embodiment can selectively lock the front and rear positions of the upper die-cutting plate 7 and the mounting seat 4 through the rotation angle of the semicircular arc protrusion and the notch 12 on the rotating handle 10 on the mounting seat 4, that is, ① when installing or removing the upper die-cutting plate 7, by rotating the rotating handle 10, the notch 12 on the rotating handle 10 is parallel to the top end surface of the upper die-cutting plate 7, so as to facilitate the front and rear pull-out replacement and installation of the upper die-cutting plate 7; ② when there is no need to install or remove the upper die-cutting plate 7, by rotating the rotating handle 10, the notch 12 on the rotating handle 10 is misaligned with the top end surface of the upper die-cutting plate 7, so that the semicircular arc protrusion of the other part of the rotating handle 10 relative to the notch 12 is used to limit the upper die-cutting plate 7 front and back, that is, the positioning accuracy of the upper die-cutting plate 7 and the processing quality during the product punching process are further improved.

[0030] Furthermore, an adjusting screw 13 is provided on the front side of the upper die-cutting plate 7 and in the horizontal direction, and the back side of the adjusting screw 13 is selectively abutted against the mounting seat 4, and the adjusting screw 13 is used to cooperate with the turning handle 10 to selectively lock the front and rear spacing of the upper die-cutting plate 7 relative to the mounting seat 4; on the basis of the above-mentioned embodiment, the present embodiment further adopts the adjusting screw 13 to be able to be adjusted forward and backward relative to the upper die-cutting plate 7, that is, the front and rear insertion depth of the upper die-cutting plate 7 relative to the mounting seat 4 is changed during the process of tightening and loosening the adjusting screw 13, thereby adjusting the front end surface of the upper die-cutting plate 7 and the upper half of the turning handle 10 The spacing between the rear end surfaces of the arc-shaped protrusions makes the positioning between the upper die-cutting plate 7 and the rotating handle 10 and the mounting seat 4 and the first locking mechanism 6 more accurate, and is suitable for the accurate positioning of the upper die-cutting plate 7 with different degrees of wear, that is, further improving the positioning accuracy of the upper die-cutting plate 7 and the processing quality during the product punching process, and relatively extending the service life of the upper die-cutting plate 7, avoiding the problems of high production and manufacturing costs, high labor intensity, and long maintenance cycles caused by the wear of the upper die-cutting plate 7 and the mounting seat 4 during multiple loading and unloading processes, which affects the processing accuracy and requires frequent replacement of new accessories.

[0031] The present embodiment further adopts a second locking mechanism 14 on the basis of the above embodiment. The second locking mechanism 14 is arranged on the lifting frame 2 and extends into the mounting seat 4. The second locking mechanism 14 is used to selectively lock the relative angle between the mounting seat 4 and the lifting frame 2. The second locking mechanism 14 cooperates with the adjusting screw 8 and the connecting rod 9 to realize double locking and positioning of the upper die-cutting plate 7 during the angle adjustment process, effectively avoiding the situation that the single screw 8 and the connecting rod 9 are easily damaged due to excessive force, affecting the processing quality and service life, etc.

[0032] Further, specifically, the second locking mechanism 14 includes a second adjusting handle 141, a second screw rod 142 and a brake plate 143. The second screw rod 142 is threadedly connected to the lifting frame 2 and is located on the outer periphery of the rotating shaft 3 in the vertical direction. The brake plate 143 is movably installed at the bottom of the second screw rod 142. The second screw rod 142 can only rotate axially relative to the brake plate 143. The second adjusting handle 141 is provided on the top of the second screw rod 142. The top of the mounting seat 4 is provided with a groove b adapted to the brake plate 143. The vertical section of the groove b is a T-shaped surface, and the transverse section of the groove b is an arc surface; when it is necessary to adjust the horizontal installation angle of the upper die-cutting plate 7 relative to the lifting frame 2, the second adjusting handle 141 is first rotated. The second adjusting handle 141 drives the second screw rod 142 to rise and fall relative to the lifting frame 2, and the second screw rod 142 drives the brake plate 143 to separate from the contact surface of the mounting seat 4 (that is, the inner wall of the groove b), and then the adjusting screw is rotated clockwise or counterclockwise. 8. The adjusting screw 8 extends or retracts relative to the machine tool body 1 along its axial direction and drives the connecting rod 9 to apply thrust or pulling force to the mounting seat 4. Since the mounting seat 4 is limited by the coaxial arrangement of the rotating shaft 3 and the central part of the lifting frame 2, the upper die-cutting plate 7 on the mounting seat 4 is linked to the central horizontal angle of the lifting frame 2 when the adjusting screw 8 is rotated clockwise or counterclockwise. At the same time, since the vertical section of the groove b is a T-shaped surface, the transverse section of the groove b is an arc-shaped surface and is adapted to the brake plate 143, the adjusting screw 8 has a certain movement space for the brake plate 143 relative to the mounting seat 4 during the adjustment process to achieve corresponding angle adjustment. After the angle is adjusted, the second adjusting handle 141 is rotated again, so that the second screw 142 drives the brake plate 143 to abut and lock the contact surface of the mounting seat 4 (that is, the inner wall of the groove b), which effectively increases the use stability and protection performance of the die-cutting machine, relatively improves the processing quality and prolongs the service life of the equipment.

[0033] It should be noted that, in the above technical solution, the second locking mechanism 14 is used in conjunction with the second adjusting handle 141, the second screw rod 142 and the brake plate 143, the purpose of which is to facilitate adjustment while achieving cost savings and maintenance. Within the controllable cost range of the supplier, a stroke cylinder or a hydraulic cylinder telescopic self-locking structure can also be used to selectively lock the mounting seat 4 and the lifting frame 2, as long as it is ensured that the mounting seat 4 and the lifting frame 2 can be selectively locked.

[0034] Furthermore, the number of the second adjustment handle 141, the second screw rod 142 and the brake plate 143 are two, and the two brake plates 143 are symmetrically distributed on the front and rear sides of the rotating shaft 3; the second adjustment handle 141, the second screw rod 142 and the brake plate 143 are symmetrically arranged on both sides of the rotating shaft 3, so that the brake plate 143 can make the force on the rotating shaft 3 more uniform during the process of locking and braking the mounting seat 4 and the lifting frame 2, effectively avoiding the situation that the rotating shaft 3 is easily deformed or worn due to uneven force due to the unilateral setting, affecting the service life, adjustment accuracy and processing quality.

[0035] Furthermore, there are four first adjustment handles 61, first screw rods 62 and hanging plates 63, and the four hanging plates 63 are symmetrically distributed on the mounting base 4. The first adjustment handle 61, the first screw rod 62 and the hanging plates 63 are symmetrically distributed on both sides of the mounting base 4, so that the hanging plates 63 can exert a more uniform force on both sides of the upper die-cutting plate 7, thereby avoiding the lifting frame 2 driving the upper die-cutting plate 7 to move up and down and causing shaking due to uneven force during the product punching process, thereby affecting the processing quality.

[0036] Furthermore, a radial bearing 15 is provided on the lifting frame 2 and on the outer wall of the rotating shaft 3. The radial bearing 15 is utilized to eliminate radial wear of the rotating shaft 3 and improve the center line positioning accuracy of the bearing 15, thereby preventing the rotating shaft 3 from wearing relative to the lifting frame 2, thereby preventing the horizontal angle adjustment accuracy and processing quality of the upper die-cutting plate 7 from being affected.

[0037] Furthermore, an axial bearing 16 is provided between the lifting frame 2 and the mounting seat 4. The axial bearing 16 cooperates with the radial bearing 15 to increase the rolling adjustment contact area between the lifting frame 2 and the mounting seat 4 and increase the relative adjustment radial and axial bearing forces, thereby improving the horizontal angle adjustment stability and accuracy of the upper die-cutting plate 7, and relatively extending the service life of the die-cutting machine, avoiding the problems of high production and manufacturing costs, high labor intensity, and long maintenance cycles caused by wear and tear during the use of the die-cutting machine during punching and cutting, which affects the processing accuracy and requires frequent replacement of new accessories.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A die-cutting machine that is convenient for adjusting cutting angles, comprising a machine tool body (1), a lifting frame (2) being arranged on the machine tool body (1), characterized in that: A rotating shaft (3) is vertically penetrated in the central part of the lifting frame (2); a mounting seat (4) is arranged below the lifting frame (2) and at the bottom of the rotating shaft (3); a positioning ring (5) is arranged on the periphery of the rotating shaft (3) and above the lifting frame (2); a first locking mechanism (6) is arranged on the mounting seat (4); an upper die-cutting plate (7) is arranged on the first locking mechanism (6); the first locking mechanism (6) is used to selectively align the upper die-cutting plate (7) with the mounting seat (4) The machine tool body (1) is provided with an adjusting screw (8), one end of the adjusting screw (8) is hinged with a connecting rod (9), and one end of the connecting rod (9) away from the adjusting screw (8) is hinged with the mounting seat (4). The adjusting screw (8) is used to spirally extend and retract relative to the machine tool body (1) and drive the mounting seat (4) to rotate relative to the lifting frame (2) along the axial direction of the rotating shaft (3) through the connecting rod (9). A lower die-cutting plate (10) is provided on the machine tool body (1) and below the upper die-cutting plate (7).

2. A die-cutting machine that is easy to adjust the cutting angle according to claim 1, characterized in that: The first locking mechanism (6) comprises a first adjusting handle (61), a first screw rod (62) and a hanging plate (63); the first screw rod (62) is threadedly connected to the mounting seat (4) in a vertical direction; a hanging plate (63) for hooking the die-cutting board (7) is arranged at the bottom of the first screw rod (62); a first adjusting handle (61) is arranged at the top of the first screw rod (62); and a first arc-shaped groove (a) corresponding to the first adjusting handle (61) is opened on the lifting frame (2).

3. A die-cutting machine with easy-to-adjust cutting angle according to claim 1 or 2, characterized in that: A rotating handle (11) is arranged on the mounting seat (4) and above the upper die-cutting plate (7); a notch (12) corresponding to the upper die-cutting plate (7) is provided on the circumferential surface of the rotating handle (11); the rotating handle (11) is used to rotate along the axial direction so that the notch (12) on the rotating handle can selectively lock the upper die-cutting plate (7) and the mounting seat (4).

4. A die-cutting machine with easy-to-adjust cutting angle according to claim 3, characterized in that: An adjusting screw (13) is arranged on the front side of the upper die-cutting plate (7) and in the horizontal direction, and the back side of the adjusting screw (13) selectively abuts against the mounting seat (4). The adjusting screw (13) is used to cooperate with the rotating handle (11) to selectively lock the front-rear distance of the upper die-cutting plate (7) relative to the mounting seat (4).

5. A die-cutting machine that is easy to adjust the cutting angle according to claim 4, characterized in that: It also includes a second locking mechanism (14), which is arranged on the lifting frame (2) and extends into the mounting seat (4), and is used to selectively lock the relative angle between the mounting seat (4) and the lifting frame (2).

6. A die-cutting machine with easy-to-adjust cutting angle according to claim 5, characterized in that: The second locking mechanism (14) comprises a second adjustment handle (141), a second screw rod (142) and a brake plate (143); the second screw rod (142) is threadedly connected to the lifting frame (2) and is located on the periphery of the rotating shaft (3) in the vertical direction; the brake plate (143) is arranged at the bottom of the second screw rod (142); the second adjustment handle (141) is arranged at the top of the second screw rod (142); a groove (b) adapted to the brake plate (143) is opened at the top of the mounting seat (4); the vertical cross section of the groove (b) is a T-shaped surface; and the transverse cross section of the groove (b) is an arc surface.

7. A die-cutting machine with easy-to-adjust cutting angle according to claim 6, characterized in that: The number of the second adjustment handle (141), the second screw rod (142) and the brake plate (143) is two, and the two brake plates (143) are symmetrically distributed on the front side and the rear side of the rotating shaft (3).

8. The die-cutting machine with easy-to-adjust cutting angle according to claim 2, characterized in that: The number of the first adjustment handle (61), the first screw rod (62) and the hanging plates (63) are all four, and the four hanging plates (63) are distributed on the mounting seat (4) in a left-right symmetrical manner.

9. A die-cutting machine with easy-to-adjust cutting angle according to claim 1 or 2, characterized in that: A radial bearing (15) is provided on the lifting frame (2) and located on the outer wall of the rotating shaft (3).

10. A die-cutting machine with convenient cutting angle adjustment according to claim 9, characterized in that: An axial bearing (16) is arranged between the lifting frame (2) and the mounting seat (4).

Images