Multi-head die cutting mechanism

Abstract

The utility model relates to a multi-head die cutting mechanism which comprises a transverse frame and a plurality of cutter assemblies, the cutter assemblies are distributed in the length direction of the transverse frame, each cutter assembly comprises a bottom plate, a carving knife and a knife mounting seat, the bottom plates are mounted on the transverse frame, the carving knives are mounted on the knife mounting seats, and the carving knives are mounted on the knife mounting seats. The cutter mounting base is connected to the bottom plate in a sliding mode in the vertical direction, and the bottom plate is provided with a spring forcing the cutter mounting base to slide downwards. The die cutting device has the effect that the depth of the carving knife is kept consistent in the die cutting process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of die-cutting equipment, in particular to a multi-head die-cutting mechanism. BACKGROUND

[0002] The existing multi-head die-cutting mechanism can move each engraving cutter in X and Y directions to cooperate with the cylinder shaft to realize multi-axis linkage, thereby greatly improving the production efficiency. However, the distance of the cutting cutter relative to the die-cutting surface is fixed during the cutting process, and the die-cutting surface may be uneven, thereby causing inconsistent depth of the cutting cutter during the die-cutting process. CONTENT OF THE UTILITY MODEL

[0003] In order to keep the depth of the engraving cutter consistent during the die-cutting process, the present application provides a multi-head die-cutting mechanism.

[0004] The multi-head die-cutting mechanism provided by the present application adopts the following technical solution:

[0005] A multi-head die-cutting mechanism includes a transverse frame and a plurality of cutting cutter assemblies. The plurality of cutting cutter assemblies are distributed along the length direction of the transverse frame. The cutting cutter assembly includes a bottom plate, an engraving cutter, and a cutter mounting seat. The bottom plate is mounted on the transverse frame. The engraving cutter is mounted on the cutter mounting seat. The cutter mounting seat is connected to the bottom plate in a vertical direction and is connected to the bottom plate in a vertical direction. The bottom plate is provided with a spring that forces the cutter mounting seat to slide downward.

[0006] By adopting the above technical solution, the cutter mounting seat is connected to the bottom plate in a vertical direction and is provided with a spring. When the cutter is stressed, the cutter mounting seat can adaptively slide upward, so that the depth of the engraving cutter remains consistent during the die-cutting process.

[0007] Optionally, a connecting seat is provided between the floor and the cutter mounting seat. The cutter mounting seat slides in a vertical direction in the connecting seat. The spring is provided on the connecting seat. The connecting seat is provided with a spring mounting seat. The spring mounting seat has a first mounting hole. The upper part of the cutter mounting seat has a second mounting hole. The upper part of the spring is located in the first mounting hole. The lower part of the spring is located in the second mounting hole. The spring mounting seat is provided with a hand screw. The hand screw is threadedly connected to the spring mounting seat. The screw rod of the hand screw is located in the first mounting hole. The connecting seat is provided with a limit pin. When the cutter mounting seat slides to the lowest position, the limit pin prevents the cutter mounting seat from sliding downward.

[0008] By adopting the above technical solution, the hand screw is rotated to compress or release the spring, thereby adjusting the length of the spring and controlling the elastic potential energy provided by the spring to the cutter mounting seat.

[0009] Optionally, a waist-shaped slot is formed on the cutter mounting seat, a length direction of the waist-shaped slot is vertically arranged, and the limiting pin is slidably connected to the waist-shaped slot.

[0010] By adopting the above technical scheme, the limiting pin is slidably connected to the waist-shaped slot, so that the upper and lower limit positions of the cutter mounting seat sliding can be limited.

[0011] Optionally, the spring mounting seat is provided with a pressing piece, the pressing piece comprises an abutting plate and a penetrating rod arranged below the abutting plate, an upper surface of the abutting plate abuts against a screw rod of the hand screw, a lower surface of the abutting plate abuts against an upper end of the spring, and the penetrating rod is coaxially penetrated into the spring.

[0012] By adopting the above technical scheme, the pressing piece is arranged, after the hand screw is screwed, the hand screw forces the abutting plate to move downward to compress the spring, and the penetrating rod provides better guiding effect, so that the abutting plate better acts on the spring.

[0013] Optionally, the connecting seat is slidably connected to the bottom plate in a vertical direction, the connecting seat is provided with a screw rod mounting seat, the bottom plate is provided with a first driving motor, an output shaft of the first driving motor is provided with a ball screw, and the ball screw is connected to the screw rod mounting seat.

[0014] By adopting the above technical scheme, the connecting seat is slidably connected to the bottom plate, and the cutter mounting seat is arranged on the connecting seat, so that the connecting seat can be driven to slide by the first driving motor, and the height of the carving knife can be preliminarily adjusted before die cutting.

[0015] Optionally, the bottom plate is provided with a motor mounting seat, the motor mounting seat is a U-shaped seat, the first driving motor is fixed to an upper branch plate of the motor mounting seat, the ball screw is rotationally connected to a lower branch plate of the motor mounting seat, and a shaft coupling is arranged between the first driving motor and the ball screw.

[0016] By adopting the above technical scheme, when the height of the carving knife is preliminarily adjusted, the output shaft of the first driving motor rotates to drive the ball screw to rotate through the shaft coupling, and then the screw rod mounting seat moves to drive the connecting seat to move.

[0017] Optionally, the transverse frame is provided with a first line rail, a length direction of the first line rail is parallel to a length direction of the transverse frame, the bottom plate is slidably connected to the first line rail in the length direction of the transverse frame, the transverse frame is provided with a plurality of belt drive assemblies corresponding to the cutting knife assemblies respectively, and the belt drive assemblies are used to drive the bottom plate to slide.

[0018] By adopting the technical scheme, the bottom plate is driven by the belt assembly to slide along the length direction of the transverse frame, so as to move the engraving cutter to the position of cutting down.

[0019] Optionally, both ends of the transverse frame are hingedly installed on the frame body of the die-cutting machine, and the frame body of the die-cuting machine is provided with a driving assembly for driving the transverse frame to rotate.

[0020] By adopting the technical scheme, the transverse frame can rotate, so that the angle formed by the axis direction of the engraving cutter and the label paper can be adjusted.

[0021] In summary, the utility model has the following beneficial effects:

[0022] 1. The cutter mounting seat is slidably connected to the bottom plate in the vertical direction, and is provided with a spring. When the cutter is stressed, the cutter mounting seat can adaptively slide upward, so that the depth of the engraving cutter remains consistent during the die-cutting process.

[0023] 2. The extrusion piece is provided. After the hand screw is twisted, the hand screw forces the abutment plate to move downward to compress the spring, and the penetrating rod provides better guiding effect, so that the abutment plate better acts on the spring. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of the embodiment;

[0025] Figure 2 is a connection schematic view of the transverse frame and the frame body in the embodiment;

[0026] Figure 3 is a mechanism schematic view of the cutter assembly in the embodiment;

[0027] Figure 4 is a connection schematic view of the limiting pin and the waist-shaped slot in the embodiment;

[0028] Figure 5 is a structural schematic view of the spring mounting seat in the embodiment.

[0029] In the figure, 1, transverse frame; 11, first line rail; 2, belt drive assembly; 3, cutter assembly; 31, bottom plate; 311, second line rail; 32, connecting seat; 321, first boss; 322, limit pin; 33, cutter mounting seat; 331, second boss; 332, third line rail; 333, waist-shaped groove; 334, second mounting hole; 34, engraving cutter; 35, first driving motor; 36, motor mounting seat; 361, shaft coupling; 37, screw rod mounting seat; 371, ball screw; 38, spring mounting seat; 381, hand screw; 382, spring; 383, threaded hole; 384, first mounting hole; 39, inductor; 391, inductive sheet; 4, extrusion piece; 41, abutment plate; 42, through rod, 5, frame body. DETAILED DESCRIPTION

[0030] The following will be described in detail with reference to the accompanying drawings Figures 1-5 The application is further described in detail.

[0031] The embodiment of the application discloses a multi-head die-cutting mechanism, referring to Figure 1 and Figure 2 The transverse frame 1 is rotatably connected to the frame body 5 of the die-cutting machine at both ends, and the die-cuting machine is provided with a driving assembly for driving the transverse frame 1 to rotate, so as to adjust the angle of the engraving cutter 34.

[0032] Referring to Figure 1 The first line rail 11 is fixedly installed on the transverse frame 1, and the length direction of the first line rail 11 is parallel to the length direction of the transverse frame 1. The cutter assembly 3 is provided with a plurality of groups, and the plurality of groups of cutter assemblies 3 are distributed along the length direction of the transverse frame 1. The cutter assembly 3 comprises a bottom plate 31 fixedly installed on the first line rail 11. The transverse frame 1 is fixedly installed with a plurality of groups of belt drive assemblies 2 corresponding to the bottom plate 31 respectively, and the plurality of groups of drive assemblies are distributed in the vertical direction. The belt drive assembly 2 is used for driving the bottom plate 31 to slide.

[0033] Referring to Figure 3 and Figure 4The cutter assembly 3 further comprises a connecting seat 32 connected to the bottom plate 31 in a vertical direction through the second linear rail 311, and the upper portion of the connecting seat 32 is provided with a first boss 321, and the first boss 321 is fixedly installed with a screw rod mounting seat 37. The bottom plate 31 is provided with a first driving motor 35, and the bottom plate 31 is provided with a motor mounting seat 36, which is a U-shaped seat, and the motor mounting seat 36 is located above the first boss 321. The first driving motor 35 is fixed to the upper branch plate of the motor mounting seat 36. The motor mounting seat 36 is provided with a ball screw 371, and the axis direction of the ball screw 371 is vertically arranged. The upper end of the ball screw 371 is rotationally connected to the lower branch plate of the motor mounting seat 36, and the lower end of the ball screw 371 is threadedly connected to the screw rod mounting seat 37. A shaft coupling 361 is fixedly installed between the first driving motor 35 and the ball screw 371.

[0034] With reference to Figure 3 and Figure 4 The cutter assembly 3 further comprises a carving knife 34 and a tool mounting seat 33, and the tool mounting seat 33 is connected to the connecting seat 32 in a vertical direction through the second linear rail 311. The lower end of the tool mounting seat 33 is provided with a second boss 331, and the carving knife 34 is detachably installed on the second boss 331.

[0035] With reference to Figure 4 and Figure 5 The connecting seat 32 is provided with a spring mounting seat 38 on the side close to the carving knife 34 of the screw rod mounting seat 37. The boss of the spring mounting seat 38 is fixedly installed on the connecting seat 32, and the column of the spring mounting seat 38 is connected to the connecting seat 32. The lower surface of the spring mounting seat 38 is provided with a first mounting hole 384 in a vertical direction, and the upper surface of the tool mounting seat 33 is provided with a second mounting hole 334. The axis directions of the first mounting hole 384 and the second mounting hole 334 are vertically arranged, and the first mounting hole 384 and the second mounting hole 334 are coaxially arranged.

[0036] With reference to Figure 4 and Figure 5The spring mounting seat 38 is provided with a spring 382 located in the first mounting hole 384, and the lower end of the spring 382 abuts against the bottom hole wall of the second mounting hole 334. The spring mounting seat 38 is provided with a hand screw 381 arranged vertically, and the upper surface of the spring mounting seat 38 is provided with a threaded hole 383 coaxially arranged with the first mounting hole 384, the threaded hole 383 is communicated with the first mounting hole 384, and the threaded rod of the hand screw 381 is threadedly connected to the threaded hole 383. An extrusion piece 4 is arranged between the hand screw 381 and the spring 382, the extrusion piece 4 includes an abutting plate 41 and a penetrating rod 42 arranged below the extrusion plate, the abutting plate 41 is slidingly connected to the first mounting hole 384 in the vertical direction, the upper surface of the abutting plate 41 abuts against the threaded rod of the hand screw 381, and the lower surface of the abutting plate 41 abuts against the upper end of the spring 382. The upper end of the penetrating rod 42 is fixedly connected to the abutting plate 41, and the penetrating rod 42 is coaxially penetrated in the spring 382.

[0037] With reference to Figure 3 The connecting seat 32 is fixedly installed with an inductive sheet 391 on the side close to the spring mounting seat 38, and the motor fixing seat is fixedly connected with an inductor 39 located directly above the inductive sheet 391.

[0038] The implementation principle of the multi-head die cutting mechanism is that the cutter mounting seat 33 is slidingly connected to the connecting seat 32 in the vertical direction and is provided with the spring 382, so that when the cutter is forced, the cutter mounting seat 33 can adaptively slide upward, so that the depth of the engraving cutter 34 remains consistent during the die cutting process.

[0039] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A multiple die cutting mechanism characterized by: The cutting tool assembly (3) further comprises a connecting seat (32) between the floor and the tool mounting seat (33), the tool mounting seat (33) slides in the vertical direction in the connecting seat (32), and the spring (382) is arranged on the connecting seat (32); the connecting seat (32) is provided with a spring mounting seat (38), the spring mounting seat (38) has a first mounting hole (384) therein, the upper part of the tool mounting seat (33) has a second mounting hole (334), the upper part of the spring (382) is located in the first mounting hole (384), the lower part of the spring (382) is located in the second mounting hole (334), the spring mounting seat (38) is provided with a hand screw (381), the hand screw (381) is threadedly connected to the spring mounting seat (38), and the screw rod part of the hand screw (381) is located in the first mounting hole (384); the connecting seat (32) is provided with a limiting pin (322), when the tool mounting seat (33) slides to the lowermost position, the limiting pin (322) hinders the downward sliding of the tool mounting seat (33).

2. A multiple die cutting mechanism according to claim 1 wherein: The tool mounting seat (33) is provided with a waist-shaped groove (333), the length direction of the waist-shaped groove (333) is vertically arranged, and the limiting pin (322) is slidably connected to the waist-shaped groove (333).

3. A multiple die cutting mechanism as claimed in claim 2, wherein: The spring mounting seat (38) is provided with an extrusion piece (4), the extrusion piece (4) comprises an abutting plate (41) and a penetrating rod (42) arranged below the extrusion plate, the upper surface of the abutting plate (41) abuts against the screw rod part of the hand screw (381), the lower surface of the abutting plate (41) abuts against the upper end of the spring (382), and the penetrating rod (42) is coaxially penetrated in the spring (382).

4. A multiple die cutting mechanism as claimed in claim 2, wherein: The connecting seat (32) is slidably connected to the floor (31) in the vertical direction, the connecting seat (32) is provided with a lead screw mounting seat (37), the floor (31) is provided with a first driving motor (35), the output shaft of the first driving motor (35) is provided with a ball screw (371), and the ball screw (371) is connected to the lead screw mounting seat (37).

5. A multiple die cutting mechanism as claimed in claim 2, wherein: ​ 6. A multiple die cutting mechanism according to claim 5 wherein: The bottom plate (31) is provided with a motor mounting seat (36), the motor mounting seat (36) is a U-shaped seat, the first driving motor (35) is fixed to the upper branch of the motor mounting seat (36), the ball screw (371) is rotatably connected to the lower branch of the motor mounting seat (36), and a shaft coupling (361) is arranged between the first driving motor (35) and the ball screw (371).

7. A multiple die cutting mechanism as claimed in claim 1, wherein: The transverse frame (1) is provided with a first wire rail (11), the length direction of the first wire rail (11) is parallel to the length direction of the transverse frame (1), the bottom plate (31) is slidably connected to the first wire rail (11) along the length direction of the transverse frame (1), the transverse frame (1) is provided with a plurality of belt drive assemblies (2) corresponding to the cutter assemblies (3) respectively, and the belt drive assemblies (2) are used to drive the bottom plate (31) to slide.

8. A multiple die cutting mechanism as claimed in claim 1, wherein: Both ends of the transverse frame (1) are hingedly installed on the frame body (5) of the die cutting machine, and the frame body (5) of the die cutting machine is provided with a driving assembly for driving the transverse frame (1) to rotate.

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