Cutting mechanism

Abstract

The utility model relates to the technical field of filling equipment, and discloses a cutting mechanism which comprises a base plate, a knife rest and a power mechanism for driving the knife rest to be close to or far away from the base plate, a knife holder is arranged on the inner side of the base plate, a knife relieving groove matched with the outline of a product to be cut is formed in the knife holder, and a discharging channel corresponding to the knife relieving groove is formed in the base plate; a first cutter is fixedly arranged outside the cutter rest, the edge of the end face of the first cutter is provided with a cutting edge matched with the cutter relieving groove, and the end face of the first cutter is provided with a concave cavity used for containing a product; in the first state, a gap for a product to enter is formed between the first cutter and the cutter holder; and in the second state, the tool rest is close to the base plate, and the first cutter punches the product and discharges the product from the discharging channel when entering the cutter relieving groove. The material cutting device has the advantages of being stable in structure, not prone to causing material clamping burrs and good in material cutting quality.

Description

Technical Field

[0001] The utility model relates to the technical field of filling equipment, in particular to a material cutting mechanism. Background Art

[0002] In existing liquid filling equipment, the material needs to be packaged after filling, and then cut. Figure 6 The figure shows a group of packaged cheese stick products, where products 50 (cheese sticks) are connected together by waste material 51 (connecting film), and each cheese needs to be cut separately by a cutting device. The existing cutting device generally cuts the product and the product falls from the opening and closing of the mold, which easily causes insufficient cutting, and then causes problems such as material jamming and burrs around the product, affecting the product appearance and production efficiency. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a cutting mechanism which has a stable structure, is not prone to causing material jamming and burrs, and has good cutting quality.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A cutting mechanism comprises a base plate, a tool holder, and a power mechanism for driving the tool holder to approach or move away from the base plate, wherein a tool holder is provided on the inner side of the base plate, a tool groove matching the contour of a product to be cut is provided on the tool holder, and a material discharge channel corresponding to the tool groove is provided on the base plate; a first cutting knife is fixedly provided on the outer side of the tool holder, a blade matching the tool groove is provided at the edge of the end face of the first cutting knife, and a cavity for accommodating the product is provided on the end face of the first cutting knife; in a first state, a gap for the product to enter is formed between the first cutting knife and the tool holder; in a second state, the tool holder approaches the base plate, and when the first cutting knife enters the tool groove, it punches and cuts the product and discharges the product from the material discharge channel.

[0006] When the first cutter approaches the product, it will punch and cut the product first, and then continue to move to push the product out of the discharge channel to realize product discharge. That is, the power mechanism moves once, and the actions of cutting and discharging are realized at the same time, ensuring that the product and waste are completely separated. The overall structure is stable, the discharge is convenient, and the cutting quality is good.

[0007] Preferably, a pressure plate is provided on the outer side of the knife holder, an elastic component is provided between the pressure plate and the knife holder, and a guide groove for guiding the first cutter is provided on the pressure plate; in the first state, the cutter enters the guide groove and the blade does not exceed the outer side of the pressure plate; in the second state, the pressure plate first presses the product to position the product, and then the first cutter cuts the product. When the knife holder approaches the substrate, the pressure plate is first driven to press the waste material on the edge of the product, and then punching is performed, so that the punching process is more stable and less likely to cause tearing.

[0008] Preferably, the elastic component includes a connecting rod and a compression spring sleeved on the connecting rod, the outer end of the connecting rod is fixedly connected to the pressure plate, and the inner end of the connecting rod is slidably connected to the tool holder.

[0009] Preferably, a plurality of parallel guide rods are provided between the base plate and the tool holder, one end of the guide rod is fixedly connected to the base plate, the guide rod slides through the tool holder, and a connecting plate is provided at the other end of the guide rod; under the action of the power mechanism, the connecting plate and the tool holder are synchronously approached or moved away, so that the base plate and the tool holder are synchronously moved away or approached. The base plate and the tool holder are synchronously approached and moved away, so that the product positioning is more stable and the punching quality is better.

[0010] Preferably, the power mechanism includes a motor, a first cam and a second cam fixed on the motor shaft, a first cam seat connected to the first cam is provided on the tool holder, and a second cam seat connected to the second cam is provided on the connecting plate; when the motor drives the first cam and the second cam to rotate, the first cam drives the tool holder to move via the first cam seat, and the second cam drives the substrate to move via the second cam seat.

[0011] Preferably, a shell is provided on the outer side of the guide rod, and both ends of the guide rod pass through the shell; the first cam seat includes a first connecting rod, a first connecting rod seat, and a first connecting sleeve. The first connecting rod is connected to the tool holder after sliding through the shell, and the other end of the first connecting rod is connected to the first connecting rod seat. The first connecting sleeve is rotatably connected to the first connecting rod seat, and the first cam extends into the first connecting sleeve to form a rotatable connection.

[0012] Preferably, a bearing is provided between the first cam and the first connecting sleeve.

[0013] Preferably, the first cam and the second cam are configured as eccentric wheels, and the eccentric directions of the first cam and the second cam are opposite.

[0014] Preferably, a second cutter is provided on the knife holder at one side of the first cutter; in the second state, the second cutter is close to the product to cut off the waste between adjacent products.

[0015] Preferably, a discharge trough is provided on the outer side of the base plate, and a waste trough is provided on the lower side of the second cutter. Products fall along the discharge trough, and waste falls along the waste trough.

[0016] Therefore, the utility model has the beneficial effects of stable structure, less prone to causing material jamming and burrs, and good cutting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2Schematic diagram of the internal structure of the shell.

[0019] Figure 3 for Figure 2 Top view of the .

[0020] Figure 4 for Figure 2 Exploded diagram.

[0021] Figure 5 It is a schematic diagram of the structure of the knife holder, the first cutter and the second cutter.

[0022] Figure 6 This is a schematic diagram of the product structure before punching. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the scope of protection of the present invention.

[0024] It should be understood that, in this document, the expressions "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance, nor should they be understood as implicitly indicating the number of technical features indicated. Features defined as "first" or "second" may explicitly or implicitly indicate that at least one of the features is included.

[0025] like Figure 1-Figure 5 A cutting mechanism is shown, comprising a base plate 10, a tool holder 20, and a power mechanism 30 for driving the tool holder 20 to approach or move away from the base plate 10. A tool holder 11 is provided on the inner side of the base plate 10, and a tool groove 110 matching the contour of the product to be cut is provided on the tool holder 11, and a discharge channel 100 corresponding to the tool groove 110 is provided on the base plate 10; a first cutter 21 is fixedly provided on the outer side of the tool holder 20, and a blade 210 matching the tool groove 110 is provided at the edge of the end face of the first cutter 21, and a cavity 211 for accommodating the product is provided on the end face of the first cutter 21; in a first state, a gap for the product to enter is formed between the first cutter 21 and the tool holder 11; in a second state, the tool holder 20 is close to the base plate 10, and when the first cutter 21 enters the tool groove 110, it punches the product 50 and discharges the product from the discharge channel 100.

[0026] A pressure plate 22 is provided on the outer surface of the tool holder 20, and an elastic component 23 is provided between the pressure plate 22 and the tool holder 20. The elastic component 23 includes a connecting rod 230 and a compression spring 231 sleeved on the connecting rod. The outer end of the connecting rod is fixedly connected to the pressure plate 22, and the inner end of the connecting rod is slidably connected to the tool holder 20; a guide groove 220 for guiding the first cutter 21 is provided on the pressure plate 22; in the first state, the cutter enters the guide groove 220 and the blade 210 does not exceed the outer side surface of the pressure plate 22; in the second state, the pressure plate 22 first presses the product to position the product, and then the first cutter cuts the product.

[0027] A plurality of parallel guide rods 40 are provided between the base plate 10 and the tool holder 20. One end of the guide rod 40 is fixedly connected to the base plate 10. The guide rod 40 slides through the tool holder 20. A connecting plate 41 is provided at the other end of the guide rod. Under the action of the power mechanism 30, the connecting plate 41 and the tool holder 20 approach or move away synchronously, so that the base plate 10 and the tool holder 20 move away or approach synchronously.

[0028] The power mechanism 30 includes a motor 300, a first cam 301 and a second cam 302 fixed on the motor shaft, a first cam seat 24 connected to the first cam is provided on the tool holder 20, and a second cam seat 42 connected to the second cam is provided on the connecting plate 41; when the motor 300 drives the first cam 301 and the second cam 302 to rotate, the first cam 301 drives the tool holder 20 to move through the first cam seat 24, and the second cam 302 drives the substrate 10 to move through the second cam seat 42. A housing 60 is provided on the outer side of the guide rod 40, and both ends of the guide rod 40 pass through the housing 60; the first cam seat 24 includes a first connecting rod 240, a first connecting rod seat 241, and a first connecting sleeve 242. The first connecting rod 240 is connected to the tool holder 20 after sliding through the housing, the other end of the first connecting rod 240 is connected to the first connecting rod seat 241, the first connecting sleeve 242 is rotatably connected to the first connecting rod seat 241, the first cam 301 extends into the first connecting sleeve 242 to form a rotatable connection, and a bearing 243 is provided between the first cam 301 and the first connecting sleeve 242. In this embodiment, the first cam 301 and the second cam 302 are configured as eccentric wheels, and the eccentric directions of the first cam and the second cam are opposite. The structure of the second cam seat 42 is the same or similar to that of the first cam seat 24, and the connection method of the second cam and the second cam seat is the same or similar to the connection method of the first cam and the first cam seat.

[0029] like Figure 5 As shown, a second cutter 25 is provided on the cutter holder 20 at one side of the first cutter 21; in the second state, the second cutter 25 is close to the product to cut off the waste 51 between adjacent products. Figure 1 As shown, a discharge slot 12 is provided on the outer side of the base plate 10, and a waste slot 13 is provided on the lower side of the second cutter.

[0030] Combined with the accompanying drawings, the principle of the utility model is as follows: when punching a product, the product is cut according to Figure 3 As shown, it enters the gap between the pressure plate 22 and the knife seat 11; the motor drives the first cam and the second cam to rotate, the knife holder and the base plate approach each other, and the pressure plate first elastically presses on the waste 51 around the product. At this time, the waste on the edge of the product is pressed and positioned by the pressure plate and the knife seat. As the first cutter continues to approach, the blade cuts the product and enters the knife groove, and then pushes the product out through the discharge channel, and the product falls along the discharge chute; at the same time, the second cutter cuts off the waste between the products, and when the knife holder is reset to the first state, the waste falls along the waste chute.

[0031] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by up, down, left, right, inner end, outer end, one end, the other end, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of more clearly describing the technical solution of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific orientation, and cannot be understood as a limitation of the present invention.

[0032] Although specific embodiments of the present invention are described in detail herein, they are provided for the purpose of explanation only and should not be considered to limit the scope of the present invention. Various substitutions, changes and modifications may be conceived without departing from the spirit and scope of the present invention.

Claims

1. A cutting mechanism, Its characteristics are: The invention comprises a base plate (10), a knife holder (20), and a power mechanism (30) for driving the knife holder (20) to move closer to or farther from the base plate (10); a knife seat (11) is provided on the inner side of the base plate (10); a knife groove (110) adapted to the contour of a product to be cut is provided on the knife seat (11); and a material discharge channel (100) corresponding to the knife groove (110) is provided on the base plate (10); A first cutter (21) is fixedly disposed on the outside of the cutter holder (20); a blade (210) matching the cutter groove (110) is disposed at the edge of the end surface of the first cutter (21); and a cavity (211) for accommodating a product is disposed on the end surface of the first cutter (21); In a first state, a gap is formed between the first cutting knife (21) and the knife seat (11) for products to enter; In the second state, the knife holder (20) is close to the base plate (10), and when the first cutting knife (21) enters the knife groove (110), it punches and cuts the product (50) and discharges the product from the discharge channel (100).

2. A cutting mechanism according to claim 1, Its characteristics are: A pressure plate (22) is provided on the outer surface of the knife holder (20), an elastic component (23) is provided between the pressure plate (22) and the knife holder (20), and a guide groove (220) for guiding the first cutting knife (21) is provided on the pressure plate (22); In a first state, the cutter enters the guide groove (220) and the blade (210) does not exceed the outer side surface of the pressing plate (22); In the second state, the pressing plate (22) first presses the product to position the product, and then the first cutting knife cuts the product.

3. A cutting mechanism according to claim 2, Its characteristics are: The elastic component (23) comprises a connecting rod (230) and a compression spring (231) sleeved on the connecting rod, the outer end of the connecting rod is fixedly connected to the pressure plate (22), and the inner end of the connecting rod is slidably connected to the tool holder (20).

4. A cutting mechanism according to claim 1, Its characteristics are: A plurality of parallel distributed guide rods (40) are provided between the base plate (10) and the tool holder (20), one end of the guide rod (40) is fixedly connected to the base plate (10), the guide rod (40) slides through the tool holder (20), and the other end of the guide rod is provided with a connecting plate (41); Under the action of the power mechanism (30), the connecting plate (41) and the tool holder (20) move toward or away from each other synchronously, so that the base plate (10) and the tool holder (20) move away from or toward each other synchronously.

5. A cutting mechanism according to claim 4, Its characteristics are: The power mechanism (30) comprises a motor (300), a first cam (301) and a second cam (302) fixed on the motor shaft; the tool holder (20) is provided with a first cam seat (24) connected to the first cam; and the connecting plate (41) is provided with a second cam seat (42) connected to the second cam. When the motor (300) drives the first cam (301) and the second cam (302) to rotate, the first cam (301) drives the tool holder (20) to move via the first cam seat (24), and the second cam (302) drives the substrate (10) to move via the second cam seat (42).

6. A cutting mechanism according to claim 5, Its characteristics are: A housing (60) is provided on the outer side of the guide rod (40), and both ends of the guide rod (40) pass through the housing (60); The first cam seat (24) comprises a first connecting rod (240), a first connecting rod seat (241), and a first connecting sleeve (242); the first connecting rod (240) is connected to the tool holder (20) after sliding through the housing; the other end of the first connecting rod (240) is connected to the first connecting rod seat (241); the first connecting sleeve (242) is rotatably connected to the first connecting rod seat (241); and the first cam (301) extends into the first connecting sleeve (242) to form a rotatable connection.

7. A cutting mechanism according to claim 6, Its characteristics are: A bearing (243) is provided between the first cam (301) and the first connecting sleeve (242).

8. A cutting mechanism according to claim 5, 6 or 7, Its characteristics are: The first cam (301) and the second cam (302) are configured as eccentric wheels, and the eccentric directions of the first cam and the second cam are opposite.

9. A cutting mechanism according to claim 1, Its characteristics are: A second cutting knife (25) is provided on the knife holder (20) at one side of the first cutting knife (21); In the second state, the second cutter (25) is close to the product to cut off the waste material (51) between adjacent products.

10. A cutting mechanism according to claim 9, Its characteristics are: A material discharge trough (12) is provided on the outer side of the base plate (10), and a waste material trough (13) is provided on the lower side of the second cutter.

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