Cutting-off assembly for corrugated board extrusion forming machine

Abstract

The utility model discloses a cut-off assembly for a corrugated board extrusion forming machine, and relates to the field of corrugated board production equipment. Comprising front positioning parts, a rear positioning part and a cutting part which are arranged on a rack, the cutting part is arranged between the front positioning parts, a rail is arranged at the bottom of the rack, and the rear positioning part is arranged on the rail and is close to or far away from the front positioning part on the rail; the front positioning part comprises a first positioning piece, a second positioning piece and front sensing pieces, the front sensing pieces are arranged on the first positioning piece and the second positioning piece respectively, the rear positioning part comprises a rear positioning piece and a rear sensing piece, the rear sensing piece is arranged on the rear positioning piece, and the rear positioning piece is arranged on the track and slides along the track in a reciprocating mode; the front positioning part and the rear positioning part are used for clamping the corrugated board, and the rear positioning part clamps the corrugated board to move along the track. The cutting device has the advantage that the phenomenon of deformation cannot occur in the cutting process. And the quality of cut finished products is better, and the defective rate is low.

Description

Technical Field

[0001] This utility model relates to the field of corrugated board production equipment, and in particular to a cutting component for a corrugated board extrusion molding machine. Background Technology

[0002] Corrugated sheets are the base material for color steel roofing sheets. They are generally cold-pressed using a forming machine and then cut to different lengths and specifications after forming. After extrusion forming, standard color steel roofing sheets require a cutting device for shaping. However, this cutting device typically only presses down on one side of the sheet and uses a cutting blade to make the cut. Due to the elasticity of the color steel sheet, the cut edge is prone to deformation at the moment of cutting, ultimately resulting in a low yield rate. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a cutting component for a corrugated board extrusion molding machine.

[0004] This utility model is achieved by the following technical solution: a cutting assembly for a corrugated board extrusion molding machine, including a front positioning part, a rear positioning part and a cutting part disposed on the frame, the cutting part being disposed between the front positioning parts, a track being provided at the bottom of the frame, and the rear positioning part being disposed on the track and being close to or away from the front positioning part on the track;

[0005] The front positioning part includes a first positioning member, a second positioning member, and a front sensing member. The front sensing member is respectively provided on the first positioning member and the second positioning member. The rear positioning part includes a rear positioning member and a rear sensing member. The rear sensing member is provided on the rear positioning member. The rear positioning member is provided on the track and slides back and forth along the track.

[0006] The front positioning part and the rear positioning part are used to clamp the corrugated plate, and the rear positioning part clamps the corrugated plate and moves it along the track.

[0007] The rear positioning part is driven by a linear motor to slide back and forth along the track, and the linear motor drives the rear positioning member to move back and forth.

[0008] The rear positioning component includes an upper seat and a lower seat, which are connected by a lifting cylinder. The lifting cylinder drives the upper seat to move closer to or away from the lower seat.

[0009] A gap is provided between the upper seat and the lower seat for the corrugated plate to pass through. The lower seat is located on the track and slides due to the linear motor. The rear sensor is located on the lower seat and is triggered when the upper seat and the lower seat are engaged.

[0010] The first positioning element and the second positioning element have the same structure, both including a positioning seat and an upper moving seat. The upper moving seat is driven by a drive cylinder fixed on the frame to move toward the positioning seat, and a gap is formed between the upper moving seat and the positioning seat for the corrugated plate to pass through.

[0011] The cutting part is located between the two positioning seats. The cutting part includes an upper cutting frame with a saw blade on it. The upper cutting frame moves downward by a hydraulic drive device. There is a gap between the two positioning seats. The saw blade on the upper cutting frame is inserted into the gap between the two positioning seats when the upper cutting frame moves downward.

[0012] The positioning seat is provided with a placement groove, and the end face of the placement groove is in contact with the direction of the corrugated plate.

[0013] Compared to existing technologies, in actual use, the rear positioning part of this invention first clamps the end of the corrugated sheet in the initial state. Then, the rear positioning part moves along the track at the same speed as the output speed of the corrugated sheet. At this time, the corrugated sheet is supported by the front and rear positioning parts. When the corrugated sheet reaches the required cutting length, the front and rear positioning parts clamp it, allowing the cutting part to cut. During the cutting process, the saw blade is actually inserted directly between a pair of positioning seats in the front positioning part, thus achieving a fixed-length cut of the corrugated sheet. The corrugated sheet is clamped throughout the cutting process, resulting in minimal deformation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the cutting component in this utility model;

[0015] Figure 2 This is a schematic diagram of the rear positioning part of the cutting component in this utility model;

[0016] In the diagram: 1. Frame; 2. Front positioning part; 21. First positioning component; 211. Positioning seat; 212. Upper moving seat; 213. Drive cylinder; 22. Second positioning component; 23. Front sensing component; 3. Rear positioning part; 31. Rear positioning component; 311. Upper seat; 312. Lower seat; 313. Lifting cylinder; 32. Rear sensing component; 33. Linear motor; 4. Cutting part; 41. Upper cutting frame; 42. Saw blade; 43. Hydraulic drive device; 5. Track. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0018] Reference Figure 1-2A cutting assembly for a corrugated board extrusion molding machine includes a front positioning part 2, a rear positioning part 3, and a cutting part 4 mounted on a frame 1. The cutting part 4 is located between the front positioning parts 2. A track 5 is provided at the bottom of the frame 1. The rear positioning part 3 is mounted on the track 5 and is located close to or away from the front positioning parts 2. The front positioning part 2 includes a first positioning member 21, a second positioning member 22, and a front sensing member 23. The front sensing member 23 is mounted on the first positioning member 21 and the second positioning member 22, respectively. The rear positioning part 3 includes a rear positioning member 31 and a rear sensing member 32. The rear sensing member 32 is mounted on the rear positioning member 31, and the rear positioning member 31 is mounted on the track 5 and slides back and forth along the track 5. Initially, the front positioning part 2 and the rear positioning part 3 are close together. When the corrugated sheet is output after extrusion molding, it can be clamped by the rear positioning part 3, which can slide on the track 5 at a speed synchronized with the output speed of the corrugated sheet. When the rear positioning part 3 slides to a predetermined distance, the front positioning part 2 clamps the corrugated sheet. The corrugated sheet between the front positioning part 2 and the rear positioning part 3 is the corrugated sheet to be cut. When the corrugated sheet reaches the required cutting length, the front positioning part 2 and the rear positioning part 3 clamp the corrugated sheet, allowing the cutting part 4 to cut it. During the cutting process, the saw blade 42 is actually directly inserted between a pair of positioning seats 211 of the front positioning part 2, thereby achieving a fixed-length cut of the corrugated sheet. The corrugated sheet is clamped throughout the cutting process, resulting in minimal deformation. In this embodiment, the front positioning part 2 and the rear positioning part 3 are used to clamp the corrugated sheet, and the rear positioning part 3 moves along the track 5 while clamping the corrugated sheet.

[0019] The rear positioning part 3 is driven by a linear motor 33 to slide back and forth along the track 5, and the linear motor 33 drives the rear positioning member 31 to move back and forth. The rear positioning member 31 includes an upper seat 311 and a lower seat 312, which are connected by a lifting cylinder 313. The lifting cylinder 313 drives the upper seat 311 to move closer to or away from the lower seat 312. A gap is provided between the upper seat 311 and the lower seat 312 for the corrugated plate to pass through. The lower seat 312 is located on the track 5 and slides due to the drive of the linear motor 33. The rear sensing element 32 is located on the lower seat 312 and is triggered when the upper seat 311 and the lower seat 312 are engaged. The front sensing element 23 and the rear sensing element 32 can be pressure sensors. The pressure sensor needs to be used in conjunction with a controller, which can be a conventional control device such as an industrial control computer. The controller is used to receive signals from the front sensing element 23 and the rear sensing element 32 and to control the action of the cutting part 4 based on these signals. It is also used to control the sliding distance and speed of the rear positioning part 3. In actual use, after the corrugated sheet is formed, it is output outward. When it contacts the rear sensor 32 on the lower seat 312, the upper seat 311 first engages with the upper seat 311 under the drive of the lifting cylinder 313. At this time, the corrugated sheet is clamped by the rear positioning member 31. The controller can control the movement of the lifting cylinder 313. The rear sensor 32 can be a pressure sensor. There is a pair of pressure sensors for the rear sensor 32, with one pressure sensor installed on each of the upper seat 311 and the lower seat 312. When the signal from the rear sensor 32 (i.e., the two pressure sensors) is transmitted to the controller and the front sensor 23 has no signal, the controller issues a command to the linear motor 33, which drives the upper seat 311 and the lower seat 312 to move as a whole, pulling the corrugated sheet out a fixed length. After pulling to the fixed length, the linear motor 33 stops moving, and the first positioning member 21 and the second positioning member 22 clamp the corrugated sheet. At this time, one end of the corrugated sheet is clamped by the rear positioning member 31, and the other end of the corrugated sheet is clamped by the first positioning member 21 and the second positioning member 22. Both the first positioning member 21 and the second positioning member 22 are equipped with a front sensing element 23. When the first positioning member 21 and the second positioning member 22 are clamped, the front sensing element 23 will show a signal change. When the controller detects the signal change, the cutting part 4 will switch. Since the cutting part 4 actually cuts along the gap between the first positioning member 21 and the second positioning member 22, that is, the entire end of the corrugated board is in a clamped state during cutting, so no deformation will occur during the cutting process. The quality of the cut finished product is better and the defect rate is lower.

[0020] The first positioning element 21 and the second positioning element 22 have the same structure, both including a positioning seat 211 and an upper moving seat 212. The upper moving seat 212 is driven by a drive cylinder 213 fixed on the frame 1 to move towards the positioning seat 211, forming a gap between the upper moving seat 212 and the positioning seat 211 for the corrugated sheet to pass through. The positioning seat 211 is provided with a placement groove, the end face of which is in contact with the direction of the corrugated sheet. The cutting part 4 is located between the two positioning seats 211. The cutting part 4 includes an upper cutting frame 41, on which a saw blade 42 is provided. The upper cutting frame 41 is moved downward by a hydraulic drive device 43. A gap is provided between the two positioning seats 211. When the upper cutting frame 41 moves downward, the saw blade 42 is inserted into the gap between the two positioning seats 211.

[0021] Compared to existing technologies, in actual use, the rear positioning part 3 first clamps the end of the corrugated sheet in the initial state. Then, the rear positioning part 3 moves along the track 5 at the same speed as the output speed of the corrugated sheet. At this time, the corrugated sheet is supported by the front positioning part 2 and the rear positioning part 3. When the corrugated sheet reaches the required cutting length, the front positioning part 2 and the rear positioning part 3 clamp the corrugated sheet, allowing the cutting part 4 to cut it. During the cutting process, the saw blade 42 is actually directly inserted between a pair of positioning seats 211 of the front positioning part 2, thus achieving a fixed-length cut of the corrugated sheet. The corrugated sheet is clamped throughout the cutting process, resulting in minimal deformation.

[0022] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A cutting assembly for a corrugated board extrusion molding machine, comprising a front positioning part, a rear positioning part, and a cutting part disposed on a frame, characterized in that: The cutting part is located between the front positioning parts, the bottom of the frame is provided with a track, and the rear positioning part is located on the track and is close to or far from the front positioning part on the track; The front positioning part includes a first positioning member, a second positioning member, and a front sensing member. The front sensing member is respectively provided on the first positioning member and the second positioning member. The rear positioning part includes a rear positioning member and a rear sensing member. The rear sensing member is provided on the rear positioning member. The rear positioning member is provided on the track and slides back and forth along the track. The front positioning part and the rear positioning part are used to clamp the corrugated plate, and the rear positioning part clamps the corrugated plate and moves it along the track.

2. The cutting assembly for a corrugated board extrusion molding machine according to claim 1, characterized in that: The rear positioning part is driven by a linear motor to slide back and forth along the track, and the linear motor drives the rear positioning member to move back and forth.

3. The cutting assembly for a corrugated board extrusion molding machine according to claim 2, characterized in that: The rear positioning component includes an upper seat and a lower seat, which are connected by a lifting cylinder. The lifting cylinder drives the upper seat to move closer to or away from the lower seat. A gap is provided between the upper seat and the lower seat for the corrugated plate to pass through. The lower seat is located on the track and slides due to the linear motor. The rear sensor is located on the lower seat and is triggered when the upper seat and the lower seat are engaged.

4. The cutting assembly for a corrugated board extrusion molding machine according to claim 2, characterized in that: The first positioning element and the second positioning element have the same structure, both including a positioning seat and an upper moving seat. The upper moving seat is driven by a drive cylinder fixed on the frame to move toward the positioning seat, and a gap is formed between the upper moving seat and the positioning seat for the corrugated plate to pass through.

5. A cutting assembly for a corrugated board extrusion molding machine according to claim 4, characterized in that: The cutting part is located between the two positioning seats. The cutting part includes an upper cutting frame with a saw blade on it. The upper cutting frame moves downward by a hydraulic drive device. There is a gap between the two positioning seats. The saw blade on the upper cutting frame is inserted into the gap between the two positioning seats when the upper cutting frame moves downward.

6. A cutting assembly for a corrugated board extrusion molding machine according to claim 5, characterized in that: The positioning seat is provided with a placement groove, and the end face of the placement groove is in contact with the direction of the corrugated plate.

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