Novel automatic blanking machine cutting knife

Abstract

The utility model discloses a novel cutting knife of an automatic blanking machine, which belongs to the technical field of automatic blanking machines, and comprises a first clamping plate and a second clamping plate, the side walls of the first clamping plate and the second clamping plate are provided with mounting grooves, and the mounting grooves penetrate through the first clamping plate and the second clamping plate. A dismounting mechanism is arranged between the first clamping plate and the second clamping plate, by arranging the dismounting mechanism, the two blades are fixed in the first containing groove and the second containing groove, the first clamping plate, the second clamping plate and the two blades can be conveniently and freely dismounted in the later period, and the blades can be conveniently replaced; and the two blades installed in the first containing groove and the second containing groove can be limited and stabilized, and the situation that the two blades shake randomly in the first containing groove and the second containing groove is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic blanking machines, in particular to a novel cutting knife for automatic blanking machines. Background Art

[0002] A blanking machine is a machine that uses the force of machine movement to apply pressure to the cutting die to cut materials. Modern blanking machines have undergone some changes and have begun to incorporate advanced technologies such as high-pressure water jets and ultrasound, but people still classify these devices as blanking machines.

[0003] When cutting paper or film, due to the effects of static electricity and negative pressure, paper pieces will be adsorbed on the cutting knife, affecting subsequent cutting, resulting in uneven cuts or causing the cutting knife to break, causing unnecessary losses; and the existing cutting tools are easy to wear. When they are worn, the entire cutting tool needs to be replaced, which wastes materials and is not economical. In addition, the shape of the cutting tool head is single, which cannot meet the requirements of various cutting shapes and is not beautiful enough.

[0004] The Chinese utility model patent with the current announcement number: CN205870627U discloses a non-stick cutting knife for a cutting machine, which is provided with a knife body, a blade is provided on the knife body, the knife body is in the shape of an isosceles right-angled trapezoid, the blade is located on the inclined surface of the knife body, a mounting hole and a light source are provided on the upper part of the knife body, a protrusion is provided above the blade on the knife body, a notch is provided at one corner of the knife body, a blade is provided in the notch, and the tip of the blade and the blade are on the same horizontal line. This utility model can make the cutting edge of the back plate be on the same straight line, ensure the cutting accuracy requirements, can cut various specifications of incision sizes, does not need to change the design, flexibly realizes the switching cutting of various specifications of back plate sheets, and greatly improves the production efficiency; the protrusion is provided on the knife body to solve the problem of non-stickiness of paper pieces, the incision is smooth, and the phenomenon of paper pieces sticking to the knife and causing miscutting or uneven incision will not occur, thereby increasing the yield rate and reducing losses.

[0005] In view of the above problems, existing patents have provided solutions, but the entire cutting knife is not easy to disassemble freely, so it is not convenient to replace the blade, and it can only meet the needs of single-sided cutting, which reduces practicality.

[0006] Therefore, a new type of cutting knife for automatic blanking machine is proposed. Utility Model Content

[0007] The utility model provides a new type of automatic feeder cutting knife, aiming to solve the problem that the existing new type of automatic feeder cutting knife is not easy to disassemble freely, so it is not convenient to replace the blade, and can only meet the single-side cutting, which reduces the practicality.

[0008] The utility model is implemented as follows: a novel automatic blanking machine cutting knife comprises a first clamping plate and a second clamping plate, the side walls of the first clamping plate and the second clamping plate are both provided with mounting grooves, the mounting grooves both penetrate the first clamping plate and the second clamping plate, and a disassembly mechanism is provided between the first clamping plate and the second clamping plate;

[0009] The disassembly mechanism includes a first placement groove, a second placement groove, a blade, a first fixing hole, a first semi-hollow rivet, a limiting assembly and a positioning assembly. The first placement groove and the second placement groove are respectively opened on the inner wall of the first clamping plate and the second clamping plate. The first placement groove and the second placement groove have the same shape and size and are arranged in a V shape. The two blades are arranged inside the first placement groove and are symmetrically arranged. The two first fixing holes pass through the first clamping plate, the second clamping plate and the blades. The first semi-hollow rivet is arranged inside the first fixing hole. The limiting assembly is arranged between the first placement groove and the second placement groove. The positioning assembly is arranged between the first clamping plate and the second clamping plate.

[0010] In order to limit and stabilize the two blades installed in the first placement groove and the second placement groove and prevent the two blades from shaking randomly inside the first placement groove and the second placement groove, as a new type of automatic blanking machine cutting knife of the utility model, the limiting component includes a limiting column and a limiting hole, the two limiting columns are fixedly connected to the inner wall of the first placement groove and pass through the two blades respectively, and the limiting hole is opened on the inner wall of the second placement groove and is plugged into the limiting column.

[0011] In order to position the process of assembling the first splint and the second splint into a whole and improve the work efficiency of locking and fixing the first splint and the second splint, as a new type of automatic blanking machine cutting knife of the utility model, the positioning assembly includes a positioning block and a positioning groove, the two positioning blocks are fixedly connected to the inner side wall of the first splint, and the positioning groove is opened on the inner side wall of the second splint and is plugged into the positioning block.

[0012] In order to avoid long-term damage to the edge of the mounting groove when the entire cutting knife is connected and installed with the blanking machine through the mounting groove, a new type of automatic blanking machine cutting knife is preferably used in the utility model, and the inner side walls of the first splint and the second splint are both provided with a reinforcement cavity, and the reinforcement cavity is located on the periphery of the mounting groove, and a reinforcement block is arranged inside the reinforcement cavity.

[0013] In order to lock and fix the first splint and the second splint and greatly improve the stability between the first splint and the second splint, as a new type of automatic blanking machine cutting knife of the utility model, three second fixing holes are opened on the side wall of the first splint, and the three second fixing holes all penetrate the first splint and the second splint and are evenly distributed at equal distances, and second semi-hollow rivets are arranged inside the three second fixing holes.

[0014] In order to avoid the knife sticking during the cutting of plastic bags, which leads to miscutting or uneven cutting, improve the yield and reduce losses, a new type of automatic feeding machine cutting knife is preferably used in the utility model. The side walls of the first splint and the second splint are fixedly connected with a plurality of protrusions, and the plurality of protrusions are evenly distributed on the side walls of the first splint and the second splint.

[0015] In order to make the cutting process smooth and avoid uneven incisions, as a preferred new type of automatic blanking machine cutting knife of the utility model, both ends of the tops of the first clamping plate and the second clamping plate are provided with chamfered parts, and the chamfered parts are arranged parallel to the blade.

[0016] In order to improve the wear resistance, thermal fatigue resistance and mechanical properties of the first splint and the second splint, and to improve the cutting strength and wear resistance of the blade, as a preferred new type of automatic blanking machine cutting knife of the utility model, the first splint and the second splint are both made of 310 stainless steel material, and the blade is made of alloy steel material.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model sets a disassembly mechanism, firstly, two blades are symmetrically placed in the first placement groove on the first clamping plate, and then the second clamping plate is covered on the top of the first clamping plate, so that the second placement groove on the second clamping plate corresponds to the position of the first placement groove on the first clamping plate, and then the first semi-hollow rivet 405 is passed through the first fixing hole to lock and fix the first clamping plate and the second clamping plate, so that the two blades are fixed inside the first placement groove and the second placement groove, which is convenient for the later free disassembly of the first clamping plate, the second clamping plate and the two blades, and the blades are convenient to replace, thereby effectively solving the problem that the entire cutting knife in the prior art is not convenient for free disassembly, so that it is not convenient to replace the blade, and can only meet the single-sided cutting, which reduces the practicality.

[0019] 2. The utility model can limit and stabilize the two blades installed in the first placement groove and the second placement groove by setting a limiting component, thereby preventing the two blades from shaking freely in the first placement groove and the second placement groove.

[0020] 3. The utility model can position the first clamping plate and the second clamping plate during the process of assembling the first clamping plate and the second clamping plate into a whole by providing a positioning component, thereby improving the working efficiency of locking and fixing the first clamping plate and the second clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the disassembly mechanism of the utility model;

[0023] Figure 3 It is a schematic diagram of the limiting component and the positioning component of the utility model;

[0024] Figure 4 It is a schematic diagram of the reinforcement cavity and reinforcement block of the utility model;

[0025] Figure 5 It is a schematic diagram of the first fixing hole, the second semi-hollow rivet and the chamfered portion of the utility model.

[0026] Description of the numbers in the figure:

[0027] 1. First clamping plate; 2. Second clamping plate; 3. Mounting slot; 4. Disassembly mechanism; 401. First placement slot; 402. Second placement slot; 403. Blade; 404. First fixing hole; 405. First semi-hollow rivet; 406. Limiting assembly; 4061. Limiting column; 4062. Limiting hole; 407. Positioning assembly; 4071. Positioning block; 4072. Positioning slot; 5. Reinforcement cavity; 6. Reinforcement block; 7. Second fixing hole; 8. Second semi-hollow rivet; 9. Raised portion; 10. Chamfered portion. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a new type of automatic blanking machine cutting knife, including a first clamping plate 1 and a second clamping plate 2, the side walls of the first clamping plate 1 and the second clamping plate 2 are both provided with mounting grooves 3, the mounting grooves 3 are both through the first clamping plate 1 and the second clamping plate 2, and a disassembly mechanism 4 is provided between the first clamping plate 1 and the second clamping plate 2;

[0030] The disassembly mechanism 4 includes a first placement groove 401, a second placement groove 402, a blade 403, a first fixing hole 404, a first semi-hollow rivet 405, a limiting component 406 and a positioning component 407. The first placement groove 401 and the second placement groove 402 are respectively opened on the inner wall of the first clamp plate 1 and the second clamp plate 2. The first placement groove 401 and the second placement groove 402 have the same shape and size and are arranged in a V shape. The two blades 403 are both arranged inside the first placement groove 401 and are symmetrically arranged. The two first fixing holes 404 pass through the first clamp plate 1, the second clamp plate 2 and the blades 403. The first semi-hollow rivet 405 is arranged inside the first fixing hole 404. The limiting component 406 is arranged between the first placement groove 401 and the second placement groove 402. The positioning component 407 is arranged between the first clamp plate 1 and the second clamp plate 2.

[0031] In this embodiment, by providing the first placement groove 401, the second placement groove 402, the blade 403, the first fixing hole 404, the first semi-hollow rivet 405, the limiting component 406 and the positioning component 407, when in use, firstly, the two blades 403 are symmetrically placed in the first placement groove 401 on the first clamping plate 1, and then the second clamping plate 2 is covered on the top of the first clamping plate 1, so that the second placement groove 402 on the second clamping plate 2 corresponds to the position of the first placement groove 401 on the first clamping plate 1, and then the first semi-hollow rivet 405 is passed through the first fixing hole 404, so that the first clamping plate 1 and the second clamping plate 2 can be locked and fixed, so that ... 3 is fixed inside the first placement groove 401 and the second placement groove 402, so that the first clamping plate 1, the second clamping plate 2 and the two blades 403 can be freely disassembled in the later stage, and the blades 403 can be replaced conveniently. By setting the limiting component 406, the two blades 403 installed inside the first placement groove 401 and the second placement groove 402 can be restricted and stabilized, so as to prevent the two blades 403 from shaking freely inside the first placement groove 401 and the second placement groove 402. By setting the positioning component 407, the process of assembling the first clamping plate 1 and the second clamping plate 2 into a whole can be positioned, so as to improve the working efficiency of locking and fixing the first clamping plate 1 and the second clamping plate 2.

[0032] As a technical optimization solution of the utility model, the limiting component 406 includes a limiting column 4061 and a limiting hole 4062. The two limiting columns 4061 are fixedly connected to the inner wall of the first placement groove 401 and respectively pass through the two blades 403. The limiting hole 4062 is opened on the inner wall of the second placement groove 402 and is plugged into the limiting column 4061.

[0033] In this embodiment: by setting the limiting column 4061 and the limiting hole 4062, when the two blades 403 are symmetrically placed in the first placement groove 401 on the first clamping plate 1, the two blades 403 are respectively passed through the two limiting columns 4061, and when the second clamping plate 2 is covered on top of the first clamping plate 1, the limiting hole 4062 is plugged into the limiting column 4061, so that the two blades 403 installed in the first placement groove 401 and the second placement groove 402 can be restricted and stabilized, and the two blades 403 are prevented from shaking randomly inside the first placement groove 401 and the second placement groove 402.

[0034] As a technical optimization solution of the utility model, the positioning assembly 407 includes a positioning block 4071 and a positioning groove 4072. The two positioning blocks 4071 are fixedly connected to the inner wall of the first clamping plate 1, and the positioning groove 4072 is opened on the inner wall of the second clamping plate 2 and is plugged into the positioning block 4071.

[0035] In this embodiment: by setting the positioning block 4071 and the positioning groove 4072, when the second clamping plate 2 covers the top of the first clamping plate 1, the positioning block 4071 is plugged into the positioning groove 4072, which can position the process of assembling the first clamping plate 1 and the second clamping plate 2 into a whole, thereby improving the working efficiency of locking and fixing the first clamping plate 1 and the second clamping plate 2.

[0036] As a technical optimization solution of the utility model, the inner side walls of the first clamping plate 1 and the second clamping plate 2 are both provided with a reinforcement cavity 5 , the reinforcement cavity 5 is located at the periphery of the mounting groove 3 , and a reinforcement block 6 is arranged inside the reinforcement cavity 5 .

[0037] In this embodiment, by providing the reinforcement cavity 5 and the reinforcement block 6, it is prevented that the edge of the installation groove 3 is damaged for a long time when the entire cutting knife is connected and installed with the blanking machine through the installation groove 3.

[0038] As a technical optimization solution of the utility model, three second fixing holes 7 are opened on the side wall of the first clamping plate 1, and the three second fixing holes 7 all penetrate the first clamping plate 1 and the second clamping plate 2 and are evenly distributed at equal distances. Second semi-hollow rivets 8 are arranged inside the three second fixing holes 7.

[0039] In this embodiment, by providing the second fixing hole 7 and the second semi-hollow rivet 8 , the first clamping plate 1 and the second clamping plate 2 can be locked and fixed, thereby greatly improving the stability between the first clamping plate 1 and the second clamping plate 2 .

[0040] As a technical optimization solution of the present invention, the side walls of the first clamping plate 1 and the second clamping plate 2 are both fixedly connected with a plurality of protrusions 9, and the plurality of protrusions 9 are evenly distributed on the side walls of the first clamping plate 1 and the second clamping plate 2 respectively.

[0041] In this embodiment, by providing the raised portion 9, it is possible to avoid the knife sticking during the cutting of the plastic bags, which would lead to miscutting or uneven cutting, thereby improving the yield and reducing losses.

[0042] As a technical optimization solution of the present invention, both ends of the top of the first clamping plate 1 and the second clamping plate 2 are provided with chamfered portions 10 , and the chamfered portions 10 are arranged parallel to the blade 403 .

[0043] In this embodiment, the chamfered portion 10 is provided to make the cutting process smooth and avoid the phenomenon of uneven cutting.

[0044] As a technical optimization solution of the utility model, the first clamping plate 1 and the second clamping plate 2 are both made of 310 stainless steel material, and the blade 403 is made of alloy steel material.

[0045] In this embodiment: by providing a first clamping plate 1 and a second clamping plate 2 made of 310 stainless steel material, and a blade 403 made of alloy steel material, the 310 stainless steel material can improve the wear resistance, thermal fatigue resistance and mechanical properties of the first clamping plate 1 and the second clamping plate 2, and the alloy steel material can improve the cutting strength and wear resistance of the blade 403.

[0046] Working principle: First, place the two blades 403 symmetrically in the first placement groove 401 on the first clamping plate 1, and pass the two blades 403 through the two limiting columns 4061 respectively, then place the reinforcement block 6 in the reinforcement cavity 5 on the first clamping plate 1, and then cover the second clamping plate 2 on the top of the first clamping plate 1, at this time, the limiting hole 4062 is plugged into the limiting column 4061, which can limit and stabilize the two blades 403 installed in the first placement groove 401 and the second placement groove 402, and prevent the two blades 403 from shaking freely in the first placement groove 401 and the second placement groove 402, and at the same time, the positioning block 4071 is plugged into the positioning groove 4072, which can stabilize the first clamping plate 1 and the second clamping plate 2. The plates 2 are positioned during the process of being assembled as a whole, thereby improving the working efficiency of locking and fixing the first splint 1 and the second splint 2, and finally, the first semi-hollow rivet 405 is passed through the first fixing hole 404, and then the second semi-hollow rivet 8 is passed through the second fixing hole 7, so that the first splint 1 and the second splint 2 can be locked and fixed, greatly improving the stability between the first splint 1 and the second splint 2, and the reinforcement block 6 can prevent the entire cutting knife from being damaged for a long time when it is connected and installed with the blanking machine through the mounting groove 3, and the raised portion 9 and the chamfered portion 10 can prevent the knife from sticking during the cutting process of the plastic bag, resulting in miscutting or uneven cutting, thereby improving the yield rate and reducing losses.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of cutting knife for an automatic blanking machine, comprising a first clamping plate (1) and a second clamping plate (2), characterized in that: The side walls of the first clamping plate (1) and the second clamping plate (2) are both provided with mounting grooves (3), the mounting grooves (3) penetrate the first clamping plate (1) and the second clamping plate (2), and a disassembly mechanism (4) is provided between the first clamping plate (1) and the second clamping plate (2); The disassembly mechanism (4) comprises a first placement groove (401), a second placement groove (402), a blade (403), a first fixing hole (404), a first semi-hollow rivet (405), a limiting component (406) and a positioning component (407), wherein the first placement groove (401) and the second placement groove (402) are respectively formed on the inner side walls of the first clamping plate (1) and the second clamping plate (2), and the first placement groove (401) and the second placement groove (402) are of the same shape and size and are arranged in a V-shape. The blades (403) are both arranged inside the first placement groove (401) and are symmetrically arranged. The two first fixing holes (404) both penetrate the first clamping plate (1), the second clamping plate (2) and the blades (403). The first semi-hollow rivet (405) is arranged inside the first fixing hole (404). The limiting component (406) is arranged between the first placement groove (401) and the second placement groove (402). The positioning component (407) is arranged between the first clamping plate (1) and the second clamping plate (2).

2. A new type of automatic blanking machine cutting knife according to claim 1, characterized in that: The limiting component (406) comprises a limiting column (4061) and a limiting hole (4062), wherein the two limiting columns (4061) are fixedly connected to the inner wall of the first placement groove (401) and respectively penetrate the two blades (403), and the limiting hole (4062) is opened on the inner wall of the second placement groove (402) and is plugged into the limiting column (4061).

3. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: The positioning assembly (407) comprises a positioning block (4071) and a positioning groove (4072), wherein the two positioning blocks (4071) are fixedly connected to the inner side wall of the first clamping plate (1), and the positioning groove (4072) is formed on the inner side wall of the second clamping plate (2) and is plugged into the positioning block (4071).

4. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: The inner side walls of the first clamping plate (1) and the second clamping plate (2) are both provided with a reinforcement cavity (5), the reinforcement cavity (5) is located at the periphery of the mounting groove (3), and a reinforcement block (6) is arranged inside the reinforcement cavity (5).

5. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: The side wall of the first clamping plate (1) is provided with three second fixing holes (7), the three second fixing holes (7) all penetrate the first clamping plate (1) and the second clamping plate (2) and are evenly distributed at equal distances, and the interiors of the three second fixing holes (7) are all provided with second semi-hollow rivets (8).

6. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: The side walls of the first clamping plate (1) and the second clamping plate (2) are both fixedly connected with a plurality of protrusions (9), and the plurality of protrusions (9) are evenly distributed on the side walls of the first clamping plate (1) and the second clamping plate (2).

7. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: Both ends of the top of the first clamping plate (1) and the second clamping plate (2) are provided with chamfered portions (10), and the chamfered portions (10) are arranged parallel to the blade (403).

8. The new type of automatic blanking machine cutting knife according to claim 1 is characterized by: The first clamping plate (1) and the second clamping plate (2) are both made of 310 stainless steel, and the blade (403) is made of alloy steel.

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