Slitting and trimming mechanism

Abstract

The utility model discloses a slitting and trimming mechanism, and aims to provide a slitting and trimming mechanism which is easy to replace cutters, high in trimming precision and capable of improving product quality. The device comprises an inflatable shaft, a moving mechanism and an air valve connector, a dead knife is mounted on the inflatable shaft, a pneumatic knife rest is arranged on the moving mechanism, the pneumatic knife rest is connected with the air valve connector through an air pipe, an upper knife is arranged on the pneumatic knife rest, and the pneumatic knife rest is connected with the air valve connector through an air pipe. The upper cutter can be driven by the moving mechanism and the pneumatic cutter rest to move and abut against the bottom cutter, the diameter of the bottom cutter ranges from 150 mm to 170 mm, and the diameter of the upper cutter ranges from 120 mm to 140 mm. The slitting and trimming mechanism is applied to the technical field of slitting and trimming mechanisms.

Description

Technical Field

[0001] The utility model relates to a cutting and trimming mechanism. Background Art

[0002] The slitting and trimming mechanism is mainly used in cutting machines, and the incoming laser anti-counterfeiting cardboard is slit to the required specifications. The slitting and trimming mechanism of the prior art includes a knife holder and multiple concentric rollers, one of which is provided with a bottom knife, and shaft sleeves are connected at both ends. The trimming knife is installed on the knife holder by a mechanical locking method, and the trimming knife can be moved to the bottom knife. The material is transported to the concentric roller by a conveyor belt for the trimming knife to cut. However, when the bottom knife and the trimming knife need to be replaced to adapt to products of different specifications, the shaft sleeve needs to be removed for reassembly, which is time-consuming and inefficient. Moreover, the shaft sleeve is easily worn when in use and when replaced, thereby affecting the trimming accuracy; in addition, when the slitting and trimming mechanism of the prior art is trimming, the knife is easily worn and deformed, causing the trimming to be S-shaped, thereby affecting the product quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a slitting and trimming mechanism which is easy to replace cutting tools, has high trimming accuracy and improves product quality.

[0004] The technical solution adopted by the utility model is: the utility model includes an inflatable shaft, a moving mechanism and an air valve connector, a bottom knife is installed on the inflatable shaft, a pneumatic knife holder is arranged on the moving mechanism, the pneumatic knife holder is connected to the air valve connector through an air pipe, an upper knife is arranged on the pneumatic knife holder, the upper knife can be moved and abutted against the bottom knife under the drive of the moving mechanism and the pneumatic knife holder, the diameter range of the bottom knife is 150mm to 170mm, and the diameter range of the upper knife is 120mm to 140mm.

[0005] Furthermore, the inflatable shaft includes a shaft body, in which an airbag and an inflatable rubber strip are arranged, the inflatable rubber strip is arranged correspondingly at the expansion end of the airbag, an opening corresponding to the inflatable rubber strip is opened on the shaft body, and the bottom knife is arranged on the inflatable shaft and correspondingly arranged on the opening.

[0006] Furthermore, an air nozzle connected to the airbag is provided at one end of the shaft, and the air nozzle can be connected to an inflation gun.

[0007] Furthermore, the pneumatic tool holder includes a tool holder body, on which a tool holder seat, a driving cylinder and an adjusting mechanism are provided, the upper knife is installed in the tool holder, the driving cylinder can drive the upper knife to rotate, and the adjusting mechanism can adjust the position of the tool holder.

[0008] Furthermore, a locking paddle is provided on the tool holder body, and the locking paddle is used to lock the position of the tool holder body on the moving mechanism.

[0009] Furthermore, the adjustment mechanism includes a blade left and right adjustment knob, a blade up and down adjustment button and a blade angle display pointer arranged on the blade holder body, the blade left and right adjustment knob is used to adjust the left and right angle of the blade seat, and the blade up and down adjustment button is used to adjust the height of the blade seat.

[0010] Furthermore, the pneumatic tool holder is provided with a dust collecting device 18 located on one side of the upper tool.

[0011] Furthermore, the moving mechanism comprises a linear slide rail, a moving seat slides on the linear slide rail, and the pneumatic tool holder is located on the moving seat.

[0012] Furthermore, the diameter of the bottom knife is 160 mm.

[0013] The beneficial effects of the utility model are:

[0014] With respect to the deficiencies of the prior art, in the present invention, the bottom knife is locked by an inflatable shaft, which can avoid the time-consuming and low-efficiency situation of the prior art using a sleeve and clamping the bottom knife by a lock, and is easier to replace and adjust the bottom knife to adapt to products of different specifications; in addition, the present invention adopts a bottom knife with a diameter range of 150mm to 170mm and an upper knife with a diameter range of 120mm to 140mm, so as to adopt a larger diameter tool that is not easily worn and deformed, which can avoid the situation in the prior art that the tool is easy to wear due to the small tool diameter, and avoid the situation that the trimming is S-shaped, thereby ensuring high trimming accuracy and improving product quality, so that the present invention has the advantages of easy tool replacement, high trimming accuracy and improved product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] The reference numerals are as follows:

[0018] 1. Inflatable shaft; 2. Moving mechanism; 3. Air valve connector; 5. Bottom knife; 6. Pneumatic knife holder; 7. Upper knife; 8. Shaft; 10. Inflatable rubber strip; 11. Air nozzle; 12. Knife holder body; 13. Locking paddle; 15. Knife left and right adjustment knob; 16. Knife up and down adjustment button; 17. Knife angle display pointer; 18. Dust suction device.

[0019] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] 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 of 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.

[0021] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0023] like Figure 1 As shown, in this embodiment, the utility model includes an inflatable shaft 1, a moving mechanism 2 and an air valve connector 3, a bottom knife 5 is installed on the inflatable shaft 1, a pneumatic knife holder 6 is provided on the moving mechanism 2, the pneumatic knife holder 6 is connected to the air valve connector 3 through an air pipe 4, an upper knife 7 is provided on the pneumatic knife holder 6, the upper knife 7 can be moved and abutted on the bottom knife 5 under the drive of the moving mechanism 2 and the pneumatic knife holder 6, the diameter range of the bottom knife 5 is 150mm to 170mm, and the diameter range of the upper knife 7 is 120mm to 140mm.

[0024] When installing the tool, the bottom knife 5 is installed on the pneumatic shaft 1, and the position of the bottom knife 5 is adjusted. The gas is further injected into the pneumatic shaft 1 through the inflation gun, so that the pneumatic shaft 1 expands to lock the bottom knife 5; the upper knife 7 is installed on the pneumatic tool holder 6, and the horizontal position of the upper knife 7 is adjusted through the moving mechanism 2, so that the upper knife 7 moves to the top of the bottom knife 5, and the air pressure is further adjusted through the pneumatic tool holder 6 to control the position of the upper knife 7, so that the upper knife 7 can abut against the bottom knife 5 to shear and trim the material.

[0025] With respect to the deficiencies of the prior art, in the present invention, the bottom knife 5 is locked by the inflatable shaft 1, which can avoid the time-consuming and low-efficiency situation of the prior art using a sleeve and clamping the bottom knife by a lock, and it is easier to replace and adjust the bottom knife 5 to adapt to products of different specifications; in addition, the present invention adopts a bottom knife 5 with a diameter range of 150mm to 170mm and an upper knife 7 with a diameter range of 120mm to 140mm, so as to adopt a larger diameter tool that is not easy to wear and deform, which can avoid the situation in the prior art that the tool is easy to wear due to the small tool diameter, and avoid the situation that the trimming is S-shaped, thereby ensuring high trimming accuracy and improving product quality, so that the utility model has the advantages of easy tool replacement, high trimming accuracy and improved product quality.

[0026] In some embodiments, the inflatable shaft 1 includes a shaft body 8, in which an airbag and an inflatable rubber strip 10 are arranged, and the inflatable rubber strip 10 is arranged correspondingly at the expansion end of the airbag, and an opening corresponding to the inflatable rubber strip 10 is opened on the shaft body 8, and the bottom knife 5 is arranged on the inflatable shaft 1 and correspondingly arranged on the opening; one end of the shaft body 8 is provided with an air nozzle 11 connected to the airbag, and the air nozzle 11 can be connected to an air charging gun. Specifically, the air charging gun is connected to the air nozzle 11, and gas is injected into the shaft body 8 through the air nozzle 11, so that the airbag can be filled and expanded, and the inflatable rubber strip 10 is further lifted from the opening, thereby locking the bottom knife 5.

[0027] In some embodiments, the pneumatic tool holder 6 includes a tool holder body 12, on which a tool holder seat, a driving cylinder and an adjusting mechanism are provided, the upper knife 7 is installed in the tool holder, the driving cylinder can drive the upper knife 7 to rotate, and the adjusting mechanism can adjust the position of the tool holder; the tool holder body 12 is provided with a locking paddle 13, and the locking paddle 13 is used to lock the position of the tool holder body 12 on the moving mechanism 2; the moving mechanism 2 includes a linear slide rail, on which a moving seat slides, and the pneumatic tool holder 6 is located on the moving seat. Specifically, after the upper knife 7 is installed, the position of the tool holder body 12 on the linear slide rail is adjusted, and locked by the locking paddle 13, and the left and right angles and the up and down heights of the upper knife 7 are further adjusted by the adjusting mechanism, so that the upper knife 7 abuts against the bottom knife 5, and the upper knife 7 is driven to rotate by the driving cylinder to achieve trimming.

[0028] In some embodiments, the adjustment mechanism includes a blade left and right adjustment knob 15, a blade up and down adjustment button 16, and a blade angle display pointer 17 provided on the blade holder body 12. The blade left and right adjustment knob 15 is used to adjust the left and right angle of the blade holder, and the blade up and down adjustment button 16 is used to adjust the height of the blade holder; the pneumatic blade holder 6 is provided with a dust suction device 18 located on one side of the upper blade 7. Specifically, the left and right angle of the blade holder is adjusted by the blade left and right adjustment knob 15, and the left and right angle of the upper blade 7 is displayed by the blade angle display pointer 17; the height of the blade holder is adjusted by the blade up and down adjustment button 16; in addition, the dust suction device 18 can effectively reduce the deposition of dust on the paper, improve the product quality, and make the product clean.

[0029] In some embodiments, the diameter of the bottom knife 5 is 160 mm. Specifically, the diameter of the bottom knife 5 is 160 mm, which has the best trimming effect and is not easy to wear the knife.

[0030] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A slitting and trimming mechanism, characterized in that: The invention comprises an inflatable shaft (1), a moving mechanism (2) and an air valve connector (3); a bottom knife (5) is mounted on the inflatable shaft (1); a pneumatic knife holder (6) is arranged on the moving mechanism (2); the pneumatic knife holder (6) is connected to the air valve connector (3) via an air pipe (4); an upper knife (7) is arranged on the pneumatic knife holder (6); the upper knife (7) can move and abut against the bottom knife (5) under the drive of the moving mechanism (2) and the pneumatic knife holder (6); the diameter of the bottom knife (5) ranges from 150 mm to 170 mm, and the diameter of the upper knife (7) ranges from 120 mm to 140 mm.

2. A slitting and trimming mechanism according to claim 1, characterized in that: The inflatable shaft (1) comprises a shaft body (8), an air bag and an inflatable rubber strip (10) are arranged in the shaft body (8), the inflatable rubber strip (10) is arranged correspondingly at the expansion end of the air bag, an opening corresponding to the inflatable rubber strip (10) is opened on the shaft body (8), and the bottom knife (5) is arranged on the inflatable shaft (1) and is arranged correspondingly on the opening.

3. A slitting and trimming mechanism according to claim 2, characterized in that: One end of the shaft (8) is provided with an air nozzle (11) which is in communication with the air bag, and the air nozzle (11) can be connected to an inflation gun.

4. A slitting and trimming mechanism according to claim 1, characterized in that: The pneumatic tool holder (6) comprises a tool holder body (12), on which a tool holder seat, a driving cylinder and an adjusting mechanism are arranged, the upper knife (7) is installed in the tool holder, the driving cylinder can drive the upper knife (7) to rotate, and the adjusting mechanism can adjust the position of the tool holder.

5. A slitting and trimming mechanism according to claim 4, characterized in that: A locking paddle (13) is provided on the tool holder body (12), and the locking paddle (13) is used to lock the position of the tool holder body (12) on the moving mechanism (2).

6. A slitting and trimming mechanism according to claim 4, characterized in that: The adjustment mechanism comprises a blade left-right adjustment knob (15), a blade up-down adjustment button (16) and a blade angle display pointer (17) arranged on the blade holder body (12); the blade left-right adjustment knob (15) is used to adjust the left-right angle of the blade holder, and the blade up-down adjustment button (16) is used to adjust the height of the blade holder.

7. The slitting and trimming mechanism according to claim 1, characterized in that: The pneumatic knife holder (6) is provided with a dust suction device (18) located on one side of the upper knife (7).

8. The slitting and trimming mechanism according to claim 1, characterized in that: The moving mechanism (2) comprises a linear slide rail, a moving seat slides on the linear slide rail, and the pneumatic tool holder (6) is located on the moving seat.

9. The slitting and trimming mechanism according to claim 1, characterized in that: The diameter of the bottom knife (5) is 160 mm.

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