CN209987352U

CN209987352U - Sliding device for connecting extruder and gas collecting hood

Info

Publication number: CN209987352U
Application number: CN201920823235.9U
Authority: CN
Inventors: 张涛; 刘启军
Original assignee: Hubei Joyoung Waterproof Mstar Technology Ltd
Current assignee: Hubei Joyoung Waterproof Mstar Technology Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-01-24
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to an extruder field discloses a slide device of connecting extruder and gas collecting channel, the utility model discloses erect between extruder frame and gas collecting channel, control about the gas collecting channel through the support roll effect of motor drive, rack and pinion transmission, wheel. The utility model has the advantages of it is following and effect: firstly, the die head and the composite roller of the extruder can be directly slid off without complex disassembly and assembly work; secondly, workers can very simply and conveniently control the movement of the gas collecting hood through a motion switch; finally, the gas collecting device can be directly installed under a common fixed gas collecting hood, and the reconstruction cost is saved.

Description

Sliding device for connecting extruder and gas collecting hood

Technical Field

The utility model relates to an extruder technical field, in particular to slide device who connects extruder and gas collecting cover.

Background

The extruder is a common device in the field of plate processing, and the screw extruder depends on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, and are molded through a mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

The extruder needs plastic materials to keep a molten state, a large amount of harmful gas can be generated, and the common waste gas collecting device on the market is usually fixed, namely a gas collecting hood is directly connected with a frame of the extruder, but because the extruder needs to replace an extruder die head and a compound roller regularly, the connection mode can influence the use of a crane during replacement.

In order to meet the problem that the gas-collecting hood needs to move, people also design various forms of gas-collecting hoods, for example, a universal gas-collecting hood is disclosed in patent document CN201620783243.1, and the position of the gas-collecting hood can be freely adjusted by arranging a plurality of shafts; patent document No. CN201720719381.8 discloses a gas collecting hood with a slide rail, which is manually pushed by a pulley to move on the rail.

However, the mobile gas collecting hood has the following problems: the universal gas-collecting hood usually has the caliber of less than 300mm, needs a complex adjusting system and is not suitable for an extruder; the gas-collecting hood of the extruder is usually positioned at a position which is difficult to reach by workers, and the gas-collecting hood with the slide rails is not provided with an automatic control system and a power system, so that the gas-collecting hood is not suitable for the extruder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a slide device who connects extruder and gas collecting channel can directly make up into portable gas collecting channel with current fixed gas collecting channel, has removal gas collecting channel and automatic control function.

The above technical purpose of the present invention can be achieved by the following technical solutions: including extruder, removal portion and gas collecting channel, the extruder includes the frame and erects the extruder main part in the frame, the gas collecting channel includes the hose and the cover body that is connected with the hose, removal portion includes bed frame, wheel, track and power device, the bed frame sets up at the gas collecting channel lower extreme, the wheel sets up at two short limit lower extremes in the bed frame, the track sets up in the frame top, and the track can hold the wheel and roll, power device sets up at the track side, contains automatic control mechanism in the power device.

By adopting the technical scheme, the sliding device can be conveniently erected on the rack of the extruder.

The utility model discloses a further set up to: the power device comprises a rack arranged at the lower end of the gas collecting hood and beside the wheel, a gear arranged at the middle point of the track and meshed with the rack, and a motor arranged at the tail end of the track and close to the rack, wherein the motor and the gear are in transmission through a belt.

Through adopting above-mentioned technical scheme, rely on the meshing of rack and pinion, can reduce the shake that the gas collecting channel produced under normal operating condition, the noise reduction can fix the gas collecting channel in corresponding position, difficult slip when normal production moreover.

The utility model discloses a further set up to: the rail comprises a slide way, limiting blocks arranged at two ends of the slide way and a reinforcing part arranged below the suspended part of the slide way.

Through adopting above-mentioned technical scheme, can avoid the gas collecting channel roll-off track to cause danger, can avoid the unsettled part of track to receive the too big damage of shearing force again.

The utility model discloses a further set up to: the motor support is arranged below the motor, the motor support is not connected with the base frame, and the motor support can be arranged at any suitable position.

Through adopting the technical scheme, the utility model discloses can be applicable to the extruder of most common model.

The utility model discloses a further set up to: the automatic control mechanism comprises a slide-out limit switch arranged on a limit block on the slide-out side and a reset limit switch arranged on the limit block on the reset side, a motion switch and an emergency stop switch arranged at the lower end of the rack, and a plc circuit arranged in the motor and used for controlling the motor to rotate forward and backward, wherein the limit switch stops the motor when the gas collecting hood moves to the end, signals can be transmitted to the plc circuit, the rotation direction of the motor is enabled to rotate when the plc circuit is reversed and started next time, the motion switch can enable the motor to be started again, and the emergency stop switch is used for forcibly stopping the system under the emergency condition.

By adopting the technical scheme, a worker can control the gas collecting hood to automatically slide to the tail end and reset by only one motion switch, the operation is simplified, and the misoperation is avoided as much as possible.

The utility model has the advantages that: firstly, the die head and the composite roller of the extruder can be directly slid off without complex disassembly and assembly work; secondly, workers can simply and conveniently control the movement of the gas collecting hood through a motion switch; finally, the gas collecting device can be directly installed under a common fixed gas collecting hood, and the reconstruction cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic structural view of the main body of the present invention.

Fig. 3 is a schematic diagram of the sliding-open condition of the gas collecting hood according to the present invention.

Fig. 4 is a schematic diagram of a control circuit.

In the figure, the position of the upper end of the main shaft,

1. an extruder; 11. a frame; 12. an extruder body;

2. a moving part; 21. a base frame; 22. a wheel; 23. a track; 231. a slideway; 232. a limiting block; 24. a power plant; 241. A rack; 242. a gear; 243. a motor; 244. a belt; 245. an automatic control mechanism; 2451. sliding out of the limit switch; 2452. resetting the limit switch; 2453. a motion switch; 2454. an emergency stop switch; 246. a motor bracket; 247. a reinforcing portion;

3. a gas-collecting hood; 31. a hose; 32. a cover body.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments.

In this embodiment, as shown in fig. 1, the extruder 1 includes an extruder 1, a moving part 2 and a gas collecting hood 3, the extruder 1 includes a frame 11 and an extruder main body 12 erected on the frame 11, the gas collecting hood 3 includes a hose 31 and a hood 32 connected to the hose 31, the moving part 2 includes a base frame 21, wheels 22, rails 23 and a power device 24, the base frame 21 is disposed at the lower end of the gas collecting hood 3, the wheels 22 are symmetrically disposed at the lower ends of two shorter sides of the base frame 21, the rails 23 are disposed above the frame 11, the rails 23 can accommodate the wheels 22 to roll, the power device 24 is disposed at the side of the rails 23, and the power device 24 further includes an automatic control mechanism 245.

In this embodiment, as shown in fig. 2, the power device 24 includes racks 241 symmetrically disposed on two outer sides of the lower end of the gas collecting hood 3, gears 242 symmetrically disposed at the middle point of the rail 23 and engaged with the racks 241, a motor 243 disposed at the end of the rail 23 near the rack 11, and a set of the motor 243 and the gears 242 driven by a belt 244, and further includes an automatic control mechanism 245 for controlling the forward rotation, the reverse rotation, and the stop of the motor 243.

In this embodiment, as shown in fig. 2, a bracket of the motor 243 is further disposed below the motor 243.

In this embodiment, as shown in fig. 2, the rail 23 includes a slide 231, two limit blocks 232 disposed at two ends of the slide 231, and a reinforcement 247 disposed below the suspended portion of the slide 231.

In this embodiment, as shown in fig. 2 and fig. 3, the automatic control mechanism 245 includes a slide-out limit switch 2451 disposed on the slide-out limit block 232, a reset limit switch 2452 disposed on the reset limit block 232, a motion switch 2453 and an emergency stop switch 2454 disposed at the lower end of the rack 11, and a plc circuit disposed in the motor 243 for controlling the forward and reverse rotation of the motor 243.

In this embodiment, as in the control circuit diagram shown in FIG. 4, SQ₁Is a slide-out limit switch 2451, SQ₂Is a reset limit switch 2452, SB₁Is motion switch 2453, SQ₁、SQ₂And the on-off of the SB is used as a signal to be transmitted to the PLC control circuit, the PLC control circuit controls the motor to rotate forwards, reversely and stop, and the SB₂Is an emergency stop switch for disconnecting the motor from operation in case of emergency.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. A sliding device for connecting an extruder and a gas collecting hood is characterized in that: including extruder (1), removal portion (2) and gas collecting channel (3), extruder (1) includes frame (11) and erects extruder main part (12) on frame (11), gas collecting channel (3) include hose (31) and cover body (32) that are connected with hose (31), removal portion (2) include bed frame (21), wheel (22), track (23) and power device (24), bed frame (21) set up at gas collecting channel (3) lower extreme, wheel (22) symmetry sets up at two shorter limit lower extremes of bed frame (21), track (23) symmetry sets up on bed frame (21), and track (23) hold wheel (22) and roll, power device (24) set up at track (23) side, and power device (24) still include automatic control mechanism (245) of control power device (24) operation.

2. A slide assembly for connecting an extruder and a gas collection cap according to claim 1, wherein: the power device (24) comprises racks (241) arranged at the lower end of the gas collecting hood (3) and beside the wheel (22), gears (242) symmetrically arranged on two sides of the base frame (21) and located at the middle point of the track (23), the gears (242) on the two sides are connected through a shaft, the gears (242) and the racks (241), a motor (243) arranged at the tail end of the track (23) and close to the rack (11), the motor (243) and the gears (242) are driven through a belt (244), and the power device further comprises an automatic control mechanism (245) for controlling forward rotation, reverse rotation and stop of the motor (243).

3. A slide assembly for connecting an extruder and a gas collection cap as defined in claim 2, wherein: a motor (243) bracket is also arranged below the motor (243).

4. A slide assembly for connecting an extruder and a gas collection cap according to claim 1, wherein: the track (23) comprises a slide way (231), limiting blocks (232) arranged at two ends of the slide way (231), and a reinforcing part (247) arranged below the suspended part of the slide way (231).

5. A slide assembly for connecting an extruder and a gas collection cap as defined in claim 2, wherein: the automatic control mechanism (245) comprises a slide-out limit switch (2451) arranged on a limit block (232) on the slide-out side, a reset limit switch (2452) arranged on a limit block (232) on the reset side, a motion switch (2453) and an emergency stop switch (2454) arranged on the rack (11), and a plc circuit arranged in the motor (243) and used for controlling the motor (243) to rotate forward and backward.