WO2021046911A1

WO2021046911A1 - Cutting device for flush-cutting plastic pipe product

Info

Publication number: WO2021046911A1
Application number: PCT/CN2019/107819
Authority: WO
Inventors: 柳明观
Original assignee: 苏州恺恩奥自动化有限公司
Priority date: 2019-09-12
Filing date: 2019-09-25
Publication date: 2021-03-18
Also published as: CN110539346B; CN110539346A

Abstract

A cutting device for flush-cutting a plastic pipe product, relating to the technical field of plastic product machining. The cutting device comprises a feeding and pushing mechanism (1), a cutting mechanism, and a bottom seat base plate (9). The feeding and pushing mechanism (1) is provided on the bottom seat base plate (9), and comprises a conveying frame body (2), multiple conveying rod shafts (3) horizontally arranged on the conveying frame body (2), and a push motor (6) provided on the bottom seat base plate (9). A fixed sleeve (22) is further fixed on each conveying rod shaft (3). Two slidable holding plates (23) are sleeved on the fixed sleeve (22). Two ends of the fixed sleeve (22) each have a side plate (32) fixed thereon. A magnetic plate (26) is provided on an end surface of the holding plate (23) close to the side plate (32). The cutting device has a simple structure, allows a guide pipe to be easily pushed, and ensures that a linear movement of plastic pipes matches a vertical movement of a cutting blade, such that pipe openings are flush with each other, thereby facilitating subsequent machining of ports, and improving practicality.

Description

Cutting device for flush cut of plastic product pipe

Technical field

The invention relates to the technical field of plastic product processing, in particular to a cutting device for plastic product pipe flush cuts.

Background technique

Plastic products are the general term for household and industrial products that are processed with plastic as the main raw material. Including all craft products such as injection molding and blister using plastic as raw material. Plastic is a kind of plastic synthetic polymer material. It forms three indispensable synthetic materials in daily life with synthetic rubber and synthetic fibers. Specifically, plastics are materials that are made of natural or synthetic resin as the main component, added with various additives, and can be molded into a certain shape under certain temperature and pressure conditions, and keep the shape unchanged at room temperature.

Plastic pipes need to be cut to a certain length before use. The current plastic pipe cutting equipment uses manual measurement and scribing on the outer wall to cut according to the line. This cutting method has low cutting efficiency and cuts. It is not flush, which easily increases the difficulty of subsequent incision processing.

Summary of the invention

The purpose of the present invention is to provide a cutting device for the flush cut of a plastic product tube to solve the problem that the cut of the plastic tube is not flush and subsequent processing is required.

In order to achieve the above objectives, the present invention provides the following technical solutions:

A cutting device for flushing plastic product pipes, comprising a feeding and pushing mechanism, a cutting mechanism and a base substrate. The feeding and pushing mechanism is arranged on the base substrate and the feeding and pushing mechanism includes a conveying frame body and a plurality of horizontally arranged arrangements. The conveying rod shaft on the conveying frame body and the pushing motor set on the base plate, each of the conveying rod shaft end and the output end of the pushing motor are provided with sprockets, and multiple sprockets are connected by a chain drive around them, Each conveying rod shaft is also fixed with a fixing sleeve, and two clamping discs sliding on the fixing sleeve are sleeved on the fixing sleeve. The diameter of the two clamping discs gradually decreases from the opposite end to the opposite end. The two ends of the fixing sleeve Both are fixed with side plates, the end surface of the clamping plate close to the side plate is provided with a magnetic plate, and the end surface of the side plate opposite to the clamping plate is provided with an electromagnet that magnetically attracts the magnetic plate, and the clamping plate and the opposite surface of the side plate are provided with an electromagnet. Connected by clamping springs.

On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

In an optional solution: the cutting mechanism includes a mounting rod frame arranged on the end side of the feeding and pushing mechanism, a lifting cylinder is mounted on the top of the mounting rod frame, and a fixed frame body is arranged on the bottom end of the lifting cylinder. A cutting blade and a cutting motor that drive the cutting blade to rotate are installed.

In an alternative solution: the vertical rod portion of the mounting rod frame is provided with a support plate for holding the end of the plastic pipe.

In an optional solution: the horizontal rod of the mounting rod frame is also provided with a suspension vertical plate at the end of the feeding and pushing mechanism, and a pressure sensor is arranged on the suspension vertical plate, and the wall of the mounting rod frame is also provided There is a control box for electrically controlling the lifting cylinder and the pushing motor, and the control box is built with an electric control system.

In an alternative solution: the electronic control system includes a receiving unit, a central processing unit, and an output unit, the receiving unit is used to electrically connect the pressure sensor and receive the signal transmitted by the pressure sensor; the central processing unit is used to According to the signal transmitted by the receiving unit, a control command is generated and transmitted to the output unit, and the output unit is electrically connected to the lifting cylinder and the pushing motor and transmitting the control command to the lifting cylinder and the pushing motor.

In an optional solution: the electronic control system further includes the number of times for receiving and transmitting the signal.

In an optional solution: an adjusting screw rod is provided on the top of the mounting rod frame, the end of the adjusting screw rod is fixed on the mounting rod frame through a bearing seat, and the adjusting screw rod penetrates the suspension vertical plate and is screwed with it. The top of the suspension vertical plate is provided with a guide hole penetrating through the mounting rod frame, and the mounting rod frame slides inside the guide hole. The side of the guide hole is provided with a scale bar, and the end of the adjusting screw rod is fixed with an adjustment Handwheel.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. In the cutting device, the plastic tube can be directly placed in the guide groove between the two clamping discs, and it can be held in a straight line under the action of the clamping spring, without the need for the operator to proofread it, which is convenient for placement Straight line push; using the air cylinder to make the cutting piece move vertically and cut the plastic pipe vertically can effectively maintain the flushness of the pipe mouth after cutting;

2. The mechanism of the present invention is simple, it is convenient to push the catheter and ensures that the linear movement of the plastic pipe matches the vertical movement of the cutting piece, and the flushness of the pipe mouth is high, which is convenient for subsequent port processing and has strong practicability.

Description of the drawings

Figure 1 is a schematic diagram of the mechanism of the present invention.

Fig. 2 is a schematic diagram of the mounting mechanism of the clamping disc in the present invention.

Fig. 3 is a schematic diagram of the mechanism for limiting the pointer rod in the present invention.

Figure 4 is a schematic diagram of the mechanism of an electronic control system in another embodiment of the present invention.

Reference signs: feeding and pushing mechanism 1, conveying frame body 2, conveying rod shaft 3, chain 4, sprocket 5, pushing motor 6, plastic tube 7, mounting rod frame 8, base substrate 9, pallet 10, lifting Cylinder 11, fixed frame body 12, cutting blade 13, cutting motor 14, control box 15, suspension vertical plate 16, pressure sensor 17, adjusting screw 18, adjusting hand wheel 19, limiting pointer rod 20, scale bar 21 , Fixing sleeve 22, clamping plate 23, clamping spring 24, electromagnet 25, magnetic plate 26, guide hole 27, central processing unit 28, receiving unit 29, output unit 30, counting unit 31, and side plate 32.

detailed description

The following embodiments will describe the present invention in detail in conjunction with the accompanying drawings. In the accompanying drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be expanded or reduced. The embodiments listed in the present invention are only used to illustrate the present invention, and are not used to limit the scope of the present invention. Any obvious modification or alteration made to the present invention does not depart from the spirit and scope of the present invention.

Example 1

1 to 3, in an embodiment of the present invention, a plastic product pipe flush cutting device includes a feeding and pushing mechanism 1, a cutting mechanism, and a base substrate 9. The feeding and pushing mechanism 1 is arranged on the base substrate. 9 and the feeding and pushing mechanism 1 includes a conveying frame body 2, a plurality of horizontally arranged conveying rod shafts 3 arranged on the conveying frame body 2, and a push motor 6 arranged on the base substrate 9. The end of each conveying rod shaft 3 And the output end of the pushing motor 6 are both provided with a sprocket 5, a plurality of sprocket 5 is connected by a chain 4 around it, each conveying rod shaft 3 is also fixed with a fixed sleeve 22, the fixed sleeve 22 is provided with two sleeves Two clamping plates 23 slide on them. The diameter of the two clamping plates 23 gradually decreases from the opposite end to the opposite end. Both ends of the fixing sleeve 22 are fixed with side plates 32. The clamping plates 23 are close to the side plates 32. The end face is provided with a magnetic plate 26, the end face of the side plate 32 opposite to the clamping disc 23 is provided with an electromagnet 25 magnetically attracted to the magnetic plate 26, and the clamping disc 23 and the opposite surface of the side plate 32 are connected by a clamping spring 24 The cutting mechanism includes a mounting rod frame 8 arranged on the end side of the feeding and pushing mechanism 1, the top of the mounting rod frame 8 is equipped with a lifting cylinder 11, the bottom end of the lifting cylinder 11 is provided with a fixed frame body 12, the fixed frame body 12 A cutting blade 13 and a cutting motor 14 for driving the cutting blade 13 to rotate are installed;

During the cutting process, the electromagnet 25 can be energized to use the electromagnetic attraction between the electromagnet 25 and the magnetic plate 26 to move the two clamping discs 23 away from each other, and the plastic tube 7 is placed on the two clamping discs 23 In the guide groove formed therebetween, the electromagnet 25 is de-energized and the two clamping discs 23 squeeze the plastic tube 7 under the action of the clamping spring 24, and then the conveying rod shaft 3 is driven to rotate by the push motor 6 to use The clamping plate 23 pushes the plastic tube 7 forward horizontally, and because of the setting of the clamping spring 24, the clamping plate 23 can hold the plastic tube 7 with the same force and can be pushed horizontally and linearly. When the plastic tube 7 is pushed for a certain distance, it can make Utilize the lifting cylinder 11 to vertically push the cutting sheet 13 down and cooperate with the cutting motor 14 to drive the cutting sheet 13 to rotate to cut the plastic tube 7, thereby ensuring that the cuts of the plastic tube 7 are flush, which facilitates subsequent processing of the cuts;

The vertical rod portion of the mounting rod frame 8 is provided with a support plate 10 for holding the end of the plastic tube 7 so as to maintain the strength of the plastic tube 7 when it is cut.

Example 2

4, the difference between the embodiment of the present invention and the embodiment 1 is that: the horizontal rod of the mounting rod frame 8 is also provided with a suspension vertical plate 16 at the end of the feeding and pushing mechanism 1 and the suspension vertical plate 16 A pressure sensor 17 is provided on the mounting rod frame 8, and a control box 15 for electrically controlling the lifting cylinder 11 and the pushing motor 6 is also provided on the rod wall of the mounting rod frame 8. The control box 15 is equipped with an electronic control system. The system includes a receiving unit 29, a central processing unit 28, and an output unit 30. The receiving unit 29 is used to electrically connect the pressure sensor 17 and receive the signal transmitted by the pressure sensor 17; the central processing unit 28 is used to transmit according to the receiving unit 29 Signal to generate a control command and transmit it to the output unit 30. The output unit 30 is electrically connected to the lifting cylinder 11 and the pushing motor 6 and transmits the control command to the lifting cylinder 11 and the pushing motor 6; when the plastic tube 7 When moving, its end touches the pressure sensor 17 and the pressure sensor 17 senses the pressure to generate an electric signal and transmit the electric signal to the control box 15. The control box 15 controls the push motor 6 to suspend the rotation and stop the movement of the plastic pipe 7. At the same time, the lifting cylinder 11 is controlled to move down to cut the plastic tube 7. When the plastic tube 7 of the cutting part falls, the pressure sensor 17 cannot sense the signal, and the box 15 is controlled to start the push motor 6 and the lifting cylinder 11 drives the cutting piece. 13 is moved up and reset, so reciprocating, it can automatically cut the plastic tube 7 at equal distances to improve the cutting processing efficiency; the electronic control system also includes 31, which is used to 29 receive 17 the number of signals transmitted to facilitate the calculation of the plastic tube 7 The number of cuts, in turn, facilitates the calculation of the number of plastic tubes 7 after being cut.

The top of the mounting rod frame 8 is provided with an adjusting screw 18, the end of the adjusting screw 18 is fixed on the mounting rod frame 8 through a bearing seat, and the adjusting screw 18 penetrates the suspension vertical plate 16 and is screwed with it. The top of the hanging vertical plate 16 is provided with a guide hole 27 penetrating the mounting rod frame 8 and the mounting rod frame 8 slides inside the guide hole 27. A scale bar 21 is provided on the side of the guide hole 27. The adjusting screw rod An adjustment hand wheel 19 is fixed at the end of the 18, and the adjustment screw 18 is rotated by rotating the adjustment hand wheel 19, and the position of the suspension riser 16 can be changed through the spiral cooperation with the suspension riser 16 so that the position of the suspension riser 16 can be changed. Batch cutting of plastic pipes of different lengths7.

The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. It should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

A cutting device for flushing plastic product pipes, comprising a feeding and pushing mechanism (1), a cutting mechanism and a base substrate (9), characterized in that the feeding and pushing mechanism (1) is arranged on the base substrate (9) The upper and feeding push mechanism (1) includes a conveying rack body (2), a plurality of conveying rod shafts (3) arranged horizontally on the conveying rack body (2), and a push motor (3) arranged on the base substrate (9). 6), the end of each conveying rod shaft (3) and the output end of the pushing motor (6) are provided with a sprocket (5), a plurality of sprocket (5) is connected by a chain (4) around it, each A fixing sleeve (22) is also fixed on the conveying rod shaft (3), and the fixing sleeve (22) is sleeved with two clamping discs (23) sliding on the fixing sleeve (22). The two clamping discs (23) are separated from each other. The diameter from the deviated end to the opposite end gradually becomes smaller. Both ends of the fixing sleeve (22) are fixed with side plates (32), and the end surface of the clamping plate (23) close to the side plate (32) is provided with a magnetic plate (26). The end surface of the plate (32) opposite to the clamping disc (23) is provided with an electromagnet (25) that is magnetically attracted to the magnetic plate (26), and the clamping disc (23) and the opposite surface of the side plate (32) are clamped The spring (24) is connected.
The cutting device for flush incision of the plastic product pipe according to claim 1, characterized in that the cutting mechanism comprises a mounting rod frame (8) arranged on the end side of the feeding and pushing mechanism (1), and the mounting rod frame (8) ) A lifting cylinder (11) is installed on the top, a fixed frame (12) is installed at the bottom of the lifting cylinder (11), and a cutting blade (13) and a cutting blade (13) are installed on the fixed frame (12). Cutting motor (14).
The cutting device for flush-cutting plastic pipes according to claim 2, characterized in that the vertical rod of the mounting rod holder (8) is provided with a support plate (7) for holding up the end of the plastic pipe (7). 10).
According to claim 2 or 3, the plastic product tube flush incision cutting device, characterized in that, the mounting rod frame (8) horizontal rod is also provided with a suspension vertical at the end of the feeding and pushing mechanism (1) The pressure sensor (17) is provided on the plate (16) and the suspension vertical plate (16), and the rod wall of the mounting rod frame (8) is also provided with the control of the electric control lifting cylinder (11) and the push motor (6) A box (15), the control box (15) is built with an electric control system.
The plastic product pipe flush cutting device according to claim 4, characterized in that the electronic control system comprises a receiving unit (29), a central processing unit (28) and an output unit (30), the receiving unit (29) It is used to electrically connect the pressure sensor (17) and receive the signal transmitted by the pressure sensor (17); the central processing unit (28) is used to generate a control command according to the signal transmitted by the receiving unit (29) and send it The output unit (30) is electrically connected to the lifting cylinder (11) and the pushing motor (6) and transmits the control command to the lifting cylinder (11) and the pushing motor (6).
The cutting device for flush incisions of plastic products according to claim 5, characterized in that, the electronic control system further comprises (31), and the (31) is used for (29) to receive (17) the number of transmission signals .
The cutting device for flush-cutting plastic product pipes according to claim 6, characterized in that an adjusting screw (18) is provided on the top of the mounting rod frame (8), and the end of the adjusting screw (18) passes through the bearing seat It is fixed on the mounting rod frame (8) and the adjusting screw rod (18) penetrates the suspension vertical plate (16) and is screwed with it, and the top of the suspension vertical plate (16) is provided with a penetrating installation rod frame ( 8) on the guide hole (27) and the mounting rod frame (8) slides inside the guide hole (27), the side of the guide hole (27) is provided with a scale bar (21), the adjusting screw (18) An adjustment handwheel (19) is fixed at the end.