Die-cutting machine capable of automatically discharging waste

Abstract

The utility model relates to the technical field of die-cutting machines, in particular to an automatic waste discharge die-cutting machine which comprises a machine shell, a crankshaft assembly comprises a crankshaft rotationally connected to the inner wall of the machine shell, the output end of the crankshaft is rotationally connected with a crankshaft connecting rod, and the lower end of the crankshaft connecting rod is fixedly connected with an ejection assembly through a telescopic elastic rod. The crankshaft comprises a transmission shaft and a plurality of curved wheels, the curved wheels are arranged in a staggered mode, the curved wheels are fixedly connected through the transmission shaft, and one end of the transmission shaft is in transmission connection with a crankshaft belt wheel; and the ejection assembly comprises an ejection plate, the lower end of the ejection plate is fixedly connected with a plurality of threaded sleeves, and the lower ends of the threaded sleeves are in threaded connection with ejection rods. The crankshaft is adopted to rotate to drive the crankshaft connecting rod to do reciprocating motion, the crankshaft connecting rod pushes the telescopic elastic rod to move, the telescopic elastic rod pushes the ejection rod of the ejection assembly to eject waste materials out, the characteristic of high efficiency is achieved due to the staggered curved wheels, and the waste materials can be completely ejected out.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting machines, in particular to a die-cutting machine with automatic waste discharge. Background Art

[0002] Die-cutting machine is also called die-cutting machine, cutting machine, CNC punching machine, which is mainly used for die-cutting of some corresponding non-metallic materials, self-adhesive, EVA, double-sided tape, electronics, mobile phone pads, etc. The die-cutting machine cuts printed products or cardboard into a certain shape by applying a certain pressure;

[0003] A Chinese patent with publication number CN216229889U was retrieved, which disclosed a circular die-cutting machine with an automatic waste discharge mechanism.

[0004] The above technical solution includes a side panel, a first motor and a second motor are mounted on the front of the side panel, a paper feed roller, a die-cutting roller, and a pressure roller are mounted on the back of the side panel, a conveying mechanism is provided on one side of the die-cutting roller, a circular template is mounted on the die-cutting roller shaft, a waste removal knife is mounted on the outer surface of the circular template, a waste recovery mechanism is mounted on the bottom of the conveying mechanism, and a paper feed board is mounted on the right side of the side panel. This circular knife die-cutting machine with an automatic waste discharge mechanism, after the paper board is cut by the circular template, is conveyed to the paper feed belt, the air pump is turned on to send gas into the air supply pipe, the air supply pipe conveys the gas to the connecting pipe, the connecting pipe diverts the gas into multiple streams and then enters the diversion pipe, the top surface of the diversion pipe is provided with air holes, and the gas is blown out from the air holes to blow gas to the paper board above, thereby separating the waste board around the paper board;

[0005] However, in the above solution, the technology blows gas to the upper cardboard, but the blowing force is too small, and some waste materials that are not completely cut cannot be discharged. This technology blows gas to the entire flow channel, which may also blow out the finished product.

[0006] For this reason, we propose a die-cutting machine with automatic waste discharge. Utility Model Content

[0007] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a die-cutting machine with automatic waste discharge.

[0008] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a die-cutting machine with automatic waste discharge, comprising a housing, characterized in that: a feeding piece is provided in the housing, a die-cutting piece is provided on one side of the feeding piece, a discharge piece is provided on one side of the die-cutting piece, a crankshaft assembly is provided above the discharge piece, the crankshaft assembly includes a crankshaft rotatably connected to the inner wall of the housing, a crankshaft connecting rod is rotatably connected to the output end of the crankshaft, and the lower end of the crankshaft connecting rod is fixedly connected to the ejection assembly via a telescopic elastic rod;

[0009] A crankshaft, comprising a transmission shaft and a crank pulley, wherein a plurality of crank pulleys are staggered and fixedly connected via a transmission shaft, and one end of the transmission shaft is in driving connection with a crank pulley;

[0010] The ejection assembly includes an ejection plate, a plurality of threaded sleeves are fixedly connected to the lower end of the ejection plate, and an ejection rod is threadedly connected to the lower end of the threaded sleeve.

[0011] Preferably, the ejection assembly further comprises an ejection box for sliding connection to the ejection plate, the ejection box being fixedly connected to the inner wall of the casing, a plurality of sliding sleeves slidably connected to the ejection rod being provided on the bottom surface of the inner wall of the ejection box, and an ejection hole communicating with the sliding sleeve being further provided at the bottom end of the ejection box.

[0012] Preferably, the discharging member includes a plurality of rotating rollers arranged at equal distances, a waste box is further provided below the discharging member, and the ejecting rod slides between the rotating rollers.

[0013] Preferably, the crankshaft connecting rod includes a bearing bushing shaft, a connecting rod bushing shaft is sleeved on the outer side of the bearing bushing shaft, a connecting rod upper cover is sleeved on the outer side of the connecting rod bushing shaft, the lower end of the connecting rod upper cover is threadedly connected to the connecting rod lower cover, and a connecting rod is fixedly connected to the bottom of the connecting rod lower cover.

[0014] Preferably, the lower end of the connecting rod is fixedly connected to a connecting sleeve, the connecting sleeve is rotatably connected to the telescopic elastic rod, and the end of the telescopic elastic rod extending away from the connecting sleeve is fixedly connected to the ejection assembly.

[0015] Preferably, one end of the crankshaft passes through the casing and is rotatably connected to a crankshaft pulley, and the crankshaft pulley is rotatably connected to a crankshaft pulley at an output end of the crankshaft motor via a chain.

[0016] Preferably, the crankshaft motor is fixedly connected to the support plate, and the support plate is also fixedly connected to a die-cutting motor. The output end of the die-cutting motor is rotatably connected to a die-cutting pulley, and the die-cutting pulley is rotatably connected to another die-cutting pulley rotatably connected to the die-cutting piece through a chain.

[0017] The utility model provides a die-cutting machine with automatic waste discharge, which has the following improvements and advantages compared with the prior art:

[0018] (1) The utility model adopts the crankshaft rotation to drive the crankshaft connecting rod to do reciprocating motion, the crankshaft connecting rod pushes the telescopic elastic rod to move, and the telescopic elastic rod pushes the ejection rod of the ejection assembly to eject the waste. In addition, multiple offset crank wheels make it highly efficient and can completely eject the waste.

[0019] (2) The utility model adopts an ejector plate to eject the ejector rod under the action of a telescopic elastic rod. The ejector rod is threadedly connected to a threaded sleeve provided below the ejector plate. A plurality of threaded sleeves are provided. The ejector rod also slides in the sliding sleeve for limiting the position. When the ejection position needs to be adjusted, the ejector rod is removed or installed in the threaded sleeve at the corresponding position through a threaded connection, and the finished product will not be affected when the waste is removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.

[0021] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a three-dimensional schematic diagram of the crankshaft assembly in the structural structure of the utility model;

[0023] Figure 3 Based Figure 2 An enlarged schematic diagram of the relevant part;

[0024] Figure 4 It is a three-dimensional schematic diagram of the crankshaft connecting rod in the structure of the utility model;

[0025] Figure 5 It is a plan view of the ejection assembly in the structure of the present utility model.

[0026] Legend:

[0027] 10. Casing; 11. Feeding part; 111. Rotating roller; 12. Die-cutting part; 13. Die-cutting motor; 14. Die-cutting pulley; 15. Chain; 16. Support plate; 17. Crankshaft motor; 18. Crankshaft pulley; 19. Discharging part; 20. Crankshaft; 21. Transmission shaft; 22. Crank pulley; 30. Crankshaft connecting rod; 31. Connecting rod upper cover; 32. Connecting rod lower cover; 33. Connecting rod; 34. Connecting sleeve; 35. Connecting rod bearing shaft; 36. Bearing bearing shaft; 37. Telescopic spring rod; 40. Ejector assembly; 41. Ejector box; 42. Ejector plate; 43. Threaded sleeve; 44. Ejector rod; 45. Sliding sleeve; 46. Ejector hole; 47. Waste box; 50. Crankshaft assembly. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] A die-cutting machine with automatic waste discharge, such as Figure 1 - Figure 4 As shown, the machine comprises a housing 10, a feeding member 11 is provided in the housing 10, a die-cutting member 12 is provided on one side of the feeding member 11, a discharge member 19 is provided on one side of the die-cutting member 12, and a crankshaft assembly 50 is provided above the discharge member 19. The crankshaft assembly 50 includes a crankshaft 20 rotatably connected to the inner wall of the housing 10, a crankshaft connecting rod 30 is rotatably connected to the output end of the crankshaft 20, and an ejector assembly 40 is fixedly connected to the lower end of the crankshaft connecting rod 30 via a telescopic elastic rod 37;

[0030] The crankshaft 20 includes a transmission shaft 21 and a crank pulley 22. A plurality of crank pulleys 22 are staggered and fixedly connected via the transmission shaft 21. One end of the transmission shaft 21 is in driving connection with the crank pulley 18.

[0031] The ejector assembly 40 includes an ejector plate 42 , a plurality of threaded sleeves 43 are fixedly connected to the lower end of the ejector plate 42 , and an ejector rod 44 is threadedly connected to the lower end of the threaded sleeve 43 ;

[0032] The crankshaft motor 17 drives the crankshaft pulley 18 to rotate, and the crankshaft pulley 18 drives the crankshaft 20 to rotate. The rotation of the crankshaft 20 drives the crankshaft connecting rod 30 to slide up and down following the crank pulley 22. The crankshaft connecting rod 30 pushes the telescopic elastic rod 37 to push the ejection plate 42 to eject the ejection rod 44 out of the gap between the rotating roller 111 and push the waste material downward, so that the waste material can be completely ejected. When the ejection position needs to be adjusted, the ejection rod 44 is extended into the ejection hole 46 at the corresponding position, and the ejection rod 44 is removed or installed in the threaded sleeve 43 at the corresponding position through a threaded connection, which can accurately eject the waste material without affecting the finished product.

[0033] Furthermore, the ejection assembly 40 also includes an ejection box 41 for sliding connection to the ejection plate 42. The ejection box 41 is fixedly connected to the inner wall of the casing 10. The bottom surface of the inner wall of the ejection box 41 is provided with a plurality of sliding sleeves 45 that are slidably connected to the ejection rod 44. The bottom end of the ejection box 41 is also provided with an ejection hole 46 that is connected to the sliding sleeve 45. The function of the ejection box 41 is to limit the activity trajectory of the ejection plate 42 and play a limiting role. The sliding sleeve 45 limits the ejection rod 44. The provision of the ejection hole 46 facilitates the extension of the ejection rod 44.

[0034] Furthermore, the discharge piece 19 includes a plurality of equally spaced rotating rollers 111, and a waste box 47 is provided below the discharge piece 19, and the ejection rod 44 slides between the rotating rollers 111; the waste box 47 collects the ejected waste and cleans it uniformly, and there is a spacing between the rotating rollers 111, which can meet the necessity of ejecting the waste.

[0035] Furthermore, the crankshaft connecting rod 30 includes a bearing bushing shaft 36, a connecting rod bushing shaft 35 is sleeved on the outer side of the bearing bushing shaft 36, a connecting rod upper cover 31 is sleeved on the outer side of the connecting rod bushing shaft 35, the lower end of the connecting rod upper cover 31 is threadedly connected to the connecting rod lower cover 32, and a connecting rod 33 is fixedly connected below the connecting rod lower cover 32; the bearing bushing shaft 36 and the connecting rod bushing shaft 35 serve to avoid direct contact between the crankshaft 20 and the crankshaft connecting rod 30 to prevent wear and damage to the components. The crankshaft connecting rod 30 is provided with a connecting rod upper cover 31 and a connecting rod lower cover 32 for easy installation.

[0036] Furthermore, the lower end of the connecting rod 33 is fixedly connected to a connecting sleeve 34, the connecting sleeve 34 is rotatably connected to the telescopic elastic rod 37, and the end of the telescopic elastic rod 37 away from the connecting sleeve 34 is fixedly connected to the ejection assembly 40; the rotatable connection between the connecting sleeve 34 and the telescopic elastic rod 37 improves the practicality of the lifting device, and the setting of the telescopic elastic rod 37 meets the needs of the dual-stroke of the crankshaft 20.

[0037] Furthermore, one end of the crankshaft 20 passes through the casing 10 and is rotatably connected to the crankshaft pulley 18, and the crankshaft pulley 18 is rotatably connected to the crankshaft pulley 18 at the output end of the crankshaft motor 17 through the chain 15; the crankshaft motor 17 serves as a power source to drive the crankshaft 20 to rotate, and the crankshaft pulley 18 and the chain 15 transmit power.

[0038] Furthermore, the crankshaft motor 17 is fixedly connected to the support plate 16, and the die-cutting motor 13 is also fixedly connected to the support plate 16. The output end of the die-cutting motor 13 is rotatably connected to the die-cutting pulley 14, and the die-cutting pulley 14 is rotatably connected to another die-cutting pulley 14 rotatably connected to the die-cutting part 12 through the chain 15; the die-cutting motor 13 drives the die-cutting part 12 to work, and the die-cutting pulley 14 and the chain 15 transmit power.

[0039] The working principle of the present utility model is as follows: the crankshaft motor 17 drives the crankshaft pulley 18 to rotate, the crankshaft pulley 18 drives the crankshaft 20 to rotate, the rotation of the crankshaft 20 drives the crankshaft connecting rod 30 to slide up and down following the crank pulley 22, the crankshaft connecting rod 30 pushes the telescopic elastic rod 37 to push the ejection plate 42 to push the ejection rod 44 out of the gap between the rotating roller 111, and push the waste material to the bottom, so that the waste material can be completely ejected. When the ejection position needs to be adjusted, the ejection rod 44 is extended into the ejection hole 46 at the corresponding position, and the ejection rod 44 is removed or installed in the threaded sleeve 43 at the corresponding position through a threaded connection, so that the waste material can be accurately ejected without affecting the finished product.

Claims

1. A die-cutting machine with automatic waste discharge, comprising a housing (10), characterized in that: A feeding member (11) is provided in the housing (10), a die-cutting member (12) is provided on one side of the feeding member (11), a discharge member (19) is provided on one side of the discharge member (12), a crankshaft assembly (50) is provided above the discharge member (19), the crankshaft assembly (50) comprises a crankshaft (20) rotatably connected to the inner wall of the housing (10), an output end of the crankshaft (20) is rotatably connected to a crankshaft connecting rod (30), and a lower end of the crankshaft connecting rod (30) is fixedly connected to an ejection assembly (40) via a telescopic elastic rod (37); A crankshaft (20), the crankshaft (20) comprising a transmission shaft (21) and a crank pulley (22), a plurality of crank pulleys (22) being staggered, the plurality of crank pulleys (22) being fixedly connected via the transmission shaft (21), and a crank pulley (18) being transmission-connected to one end of the transmission shaft (21); The ejection assembly (40) includes an ejection plate (42), a plurality of threaded sleeves (43) are fixedly connected to the lower end of the ejection plate (42), and an ejection rod (44) is threadedly connected to the lower end of the threaded sleeve (43).

2. The die-cutting machine with automatic waste discharge according to claim 1, characterized in that: The ejection assembly (40) further comprises an ejection box (41) for sliding connection with the ejection plate (42), the ejection box (41) being fixedly connected to the inner wall of the housing (10), a plurality of sliding sleeves (45) slidably connected to the ejection rods (44) being provided on the bottom surface of the inner wall of the ejection box (41), and an ejection hole (46) communicating with the sliding sleeves (45) being further provided at the bottom end of the ejection box (41).

3. The die-cutting machine with automatic waste discharge according to claim 2, characterized in that: The discharge member (19) comprises a plurality of rotating rollers (111) arranged at equal intervals. A waste box (47) is further provided below the discharge member (19). The ejector rod (44) slides between the rotating rollers (111).

4. The die-cutting machine with automatic waste discharge according to claim 1, characterized in that: The crankshaft connecting rod (30) includes a bearing bushing shaft (36), a connecting rod bushing shaft (35) is sleeved on the outer side of the bearing bushing shaft (36), a connecting rod upper cover (31) is sleeved on the outer side of the connecting rod bushing shaft (35), the lower end of the connecting rod upper cover (31) is threadedly connected to the connecting rod lower cover (32), and a connecting rod (33) is fixedly connected to the lower side of the connecting rod lower cover (32).

5. The die-cutting machine with automatic waste discharge according to claim 4, characterized in that: The lower end of the connecting rod (33) is fixedly connected to a connecting sleeve (34), the connecting sleeve (34) is rotatably connected to a telescopic elastic rod (37), and the end of the telescopic elastic rod (37) away from the connecting sleeve (34) is fixedly connected to an ejection assembly (40).

6. The die-cutting machine with automatic waste discharge according to claim 1, characterized in that: One end of the crankshaft (20) passes through the casing (10) and is rotationally connected to the crankshaft pulley (18), and the crankshaft pulley (18) is rotationally connected to the crankshaft pulley (18) at the output end of the crankshaft motor (17) through a chain (15).

7. The die-cutting machine with automatic waste discharge according to claim 6, characterized in that: The crankshaft motor (17) is fixedly connected to a support plate (16), and a die-cutting motor (13) is also fixedly connected to the support plate (16). The output end of the die-cutting motor (13) is rotatably connected to a die-cutting pulley (14), and the die-cutting pulley (14) is rotatably connected to another die-cutting pulley (14) rotatably connected to the die-cutting piece (12) through a chain (15).

Images