CN215969994U - Low-noise single-screw extrusion device for PVC (polyvinyl chloride) plate production - Google Patents

Abstract

The utility model belongs to the technical field of single-screw extrusion devices, and discloses a low-noise single-screw extrusion device for PVC (polyvinyl chloride) plate production. The anti-blocking device has the advantages that the anti-blocking effect is achieved by the structural matching of the push plate, the dredging rod, the gear and the like, when the single-screw extrusion machine works normally, the rotating rod and the gear are driven to rotate by the starting motor, one side with teeth can push the push plate to move leftwards, so that the push rod can extrude hydraulic oil in the connecting pipe, the extruded hydraulic oil flows towards the left end and pushes the dredging rod to ascend, the first spring can be extruded in the process, when the gear rotates to the side without the teeth, the push plate is pushed by the first spring with elasticity, and the anti-blocking purpose can be achieved.

Description

Low-noise single-screw extrusion device for PVC (polyvinyl chloride) plate production

Technical Field

The utility model belongs to the technical field of single-screw extrusion devices, and particularly relates to a low-noise single-screw extrusion device for PVC (polyvinyl chloride) plate production.

Background

PVC, which is polyvinyl chloride, is a yellowish, translucent and glossy polymer material, and is commonly used for manufacturing products such as plates, soles, toys, and the like; the single screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can be used for melt granulation, and has the advantages of low noise, long service life and the like.

The stock bin of the existing single-screw extrusion device basically adopts a round platform structure with a large top and a small bottom, so that PVC material particles can be uniformly discharged, the discharge opening at the bottommost part can be designed to be narrow, the agglomerated particles easily cause blockage, the normal work of a machine is influenced, workers are required to stop for manual dredging, the labor intensity of the workers is enhanced, and the working efficiency is extremely low.

In addition, the cutting device is basically installed at the tail of the existing single-screw extrusion device, and because the existing cutting device is basically in a suspended state, the existing cutting device only depends on the device to provide supporting force, so that the existing single-screw extrusion device can slightly shake during working, and long-time equipment can cause loss, thereby generating noise and influencing use.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a low-noise single-screw extrusion device for producing PVC plates, which has the advantages of blockage prevention and stable work.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a single screw extrusion device is used in production of PVC panel of low noise, includes single screw extrusion machine, feed bin and mounting box, the inside bottom fixed mounting of mounting box has the motor, the top fixedly connected with dwang of motor, the upper end fixed mounting of dwang has the gear, the outside meshing of dwang has the push pedal, the left end fixedly connected with push rod of push pedal, the left end fixedly connected with of push pedal is located the spring No. one outside the push rod, the left side fixedly connected with connecting pipe of spring, the inside swing joint of connecting pipe left end has the mediation pole, drives dwang and gear revolve through starting motor work, has tooth's one side can promote the push pedal and move left to promote the hydraulic oil in the push rod extrusion connecting pipe, thereby can push up the mediation pole and rise, when the gear rotates to the one side that does not have tooth, the push pedal receives the promotion of spring that has elasticity, make the push pedal reset fast, then the hydraulic oil in the connecting tube receives the influence of gravity, can remove right, then dredge the pole because self gravity influence can descend, so the motor work alright drive the continuous lift of dredging the pole always to the feed opening department of feed bin bottom stabs always, plays the effect of continuous mediation.

According to a preferred technical scheme, a cutting device is fixedly mounted at the left end of the single-screw extrusion machine, an annular sleeve is movably sleeved at the outer side of the left end of the cutting device, supporting plates are fixedly connected to the bottoms of the left end and the right end of the annular sleeve, a second spring is fixedly connected to the bottom of the inner portion of each supporting plate, a supporting rod is movably connected to the inner portion of the lower end of each supporting plate, a cushion block is movably clamped at the bottom of each supporting rod, the rotating block is screwed to drive the supporting rods to rotate, so that the supporting rods slowly descend along the inner portions of the supporting plates until the cushion blocks are in contact with the ground, the cushion blocks can be firmly attached to the ground due to the existence of threads, and the cutting device can be prevented from shaking during working due to the fixation of the cushion blocks at the two sides.

As a preferred technical scheme of the utility model, the top and the bottom of the push plate are both fixedly provided with the sliding blocks, the mounting box is internally provided with the sliding grooves corresponding to the sliding blocks, and the sliding blocks and the sliding grooves are arranged, so that the direction of the push plate can be ensured not to deviate when the push plate is transversely moved, and the dredging rod can be more accurately driven to lift.

As a preferred technical scheme of the utility model, the teeth on the gear are only distributed in the interval range from zero degree to two hundred twenty degrees on the outer peripheral surface of the gear, the teeth are fixedly mounted on the inner side of the push plate, when the gear rotates, one end with the teeth can push the push plate to move outwards so as to push the dredging rod to ascend, when the gear rotates to the end without the teeth, the first spring with elasticity can rapidly push the push plate to contract towards the inside of the mounting box so as to drive the dredging rod to descend, and the gear which continuously rotates can drive the dredging rod to continuously ascend and descend.

According to the preferable technical scheme, the connecting pipe is internally filled with hydraulic oil, the upper end of the dredging rod is of a conical structure, the hydraulic oil can move left and right in the connecting pipe, so that the dredging rod is driven to lift, the dredging rod of the conical structure continuously lifts and always pokes the feed opening at the bottom of the storage bin, and blockage can be prevented.

According to a preferable technical scheme of the utility model, the outer surface of the upper end of the supporting rod and the inner wall of the lower end of the supporting plate are respectively provided with a thread, the outer part of the lower end of the supporting rod is fixedly provided with a rotating block, due to the existence of the threads, the threads on the upper end of the supporting rod are contacted with the threads in the lower end of the supporting plate by pulling the supporting rod downwards, and the cushion blocks are contacted with the ground by screwing the rotating block, so that the cushion blocks on the two sides can be used for ensuring that the cutting device is more stable in operation.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model realizes the anti-blocking advantage by the structural cooperation of the push plate, the dredging rod, the gear and the like, when the single-screw extrusion machine normally works, the rotating rod and the gear can be driven to rotate by starting the motor, one side with teeth can push the push plate to move leftwards, so that the push rod can extrude the hydraulic oil in the connecting pipe, the extruded hydraulic oil flows towards the left end and pushes the dredging rod to rise, a spring can be extruded in the process, when the gear rotates to the side without teeth, the push plate is pushed by the spring with elasticity, so that the push plate is quickly reset, the push rod is driven to move rightwards, the hydraulic oil in the connecting pipe is influenced by gravity and moves rightwards, the dredging rod can descend due to the influence of the gravity of the motor, the motor can drive the dredging rod to continuously ascend and descend, and poke the feed opening at the bottom of the storage bin all the time, the effect of continuous dredging is achieved, and the anti-blocking purpose can be achieved.

2. The cutting device has the advantages that the support plate, the support rod, the cushion blocks and the like are matched to realize stable work, the support rod can be pulled downwards to extrude the second spring inside, so that the threads at the upper end of the support rod are in contact with the threads inside the lower end of the support plate, then the rotation block is screwed to drive the support rod to rotate, so that the support rod slowly descends along the inside of the support plate until the cushion blocks are in contact with the ground, the cushion blocks can be firmly attached to the ground due to the existence of the threads, and the cutting device can be prevented from shaking during work and damaging a machine for a long time by virtue of the fixation of the cushion blocks at two sides; the single-screw extruder is more stable in work, so that the aim of stable work can be fulfilled.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic sectional view of the connection between the bin and the connecting pipe according to the present invention;

FIG. 3 is a schematic view of the position of the push plate according to the present invention;

FIG. 4 is a partial enlarged view of FIG. 3A of the present invention;

FIG. 5 is a cross-sectional view of the joint between the structural support plate and the support rod according to the present invention.

In the figure: 1. a single screw extrusion machine; 2. a storage bin; 3. mounting a box; 4. a connecting pipe; 5. a cutting device; 6. an annular sleeve; 7. a support plate; 8. a support bar; 9. cushion blocks; 10. a motor; 11. pushing the plate; 12. a first spring; 13. a push rod; 14. dredging the rod; 15. rotating the rod; 16. a gear; 17. and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 5, the utility model provides a low-noise single screw extrusion device for PVC plate production, which comprises a single screw extrusion machine 1, a bin 2 and a mounting box 3, wherein a motor 10 is fixedly installed at the bottom inside the mounting box 3, a rotating rod 15 is fixedly connected to the top of the motor 10, a gear 16 is fixedly installed at the upper end of the rotating rod 15, a push plate 11 is meshed with the outer side of the rotating rod 15, a push rod 13 is fixedly connected to the left end of the push plate 11, a first spring 12 positioned at the outer side of the push rod 13 is fixedly connected to the left end of the push plate 11, a connecting pipe 4 is fixedly connected to the left side of the first spring 12, a dredging rod 14 is movably connected to the inside of the left end of the connecting pipe 4, the rotating rod 15 and the gear 16 are driven to rotate by starting the motor 10, one side with teeth can push the push plate 11 to move leftwards, and push the push rod 13 to extrude hydraulic oil in the connecting pipe 4, so as to push the dredging rod 14 to rise, when gear 16 turned to the one side that does not have the tooth, push pedal 11 received spring 12 promotion No. with elasticity for push pedal 11 resets fast, and then the hydraulic oil in the connecting pipe 4 received the influence of gravity, can remove right, then dredge pole 14 can descend because self gravity influences, so motor 10 work alright drive dredge pole 14 constantly goes up and down always, thereby stabs to the feed opening department of feed bin 2 bottom always, plays the effect of constantly dredging.

Wherein, single screw extruder 1's left end fixed mounting has cutting device 5, the annular cover 6 has been cup jointed in the outside activity of cutting device 5 left end, the equal fixedly connected with backup pad 7 in bottom at both ends about annular cover 6, spring 17 No. two of the inside bottom fixedly connected with of backup pad 7, the inside swing joint of backup pad 7 lower extreme has bracing piece 8, the bottom activity joint of bracing piece 8 has cushion 9, it drives bracing piece 8 to rotate to move the turning block through twisting, make bracing piece 8 descend slowly along the inside of backup pad 7, until cushion 9 and ground contact, because the existence of screw thread, cushion 9 can be hugged closely firmly with ground, rely on the fixed of both sides cushion 9, can prevent that cutting device 5 during operation from producing and rocking.

Wherein, the equal fixed mounting in top and the bottom of push pedal 11 has the slider, and the inside of mounting box 3 is seted up with the corresponding spout of slider, has the existence of slider and spout, and the direction can not appear the deviation when can guaranteeing the 11 sideslip of push pedal, and 14 lifting work of drive dredging rod that can be more accurate.

Wherein, the tooth on the gear 16 only distributes at the interval within range of zero degree to two hundred twenty degrees of its periphery, the inboard fixed mounting of push pedal 11 has the tooth, gear 16 is when rotating, the one end that has the tooth can promote push pedal 11 and move to the outside, thereby promote dredging rod 14 and rise, when changeing to the one end that does not have the tooth, spring 12 that has elasticity can promote push pedal 11 rapidly and contract to mounting box 3 inside, thereby drive dredging rod 14 and descend, continuous pivoted gear 16 can drive dredging rod 14 and constantly go up and down.

Wherein, the inside of connecting pipe 4 is equipped with hydraulic oil, and the upper end of dredging rod 14 adopts the toper structure, and hydraulic oil can remove about connecting pipe 4 is inside to drive dredging rod 14 and realize going up and down, the continuous lift of dredging rod 14 of toper structure and stab the feed opening department to feed bin 2 bottom all the time can prevent to block up.

Wherein, all be carved with the screw thread on the inside inner wall of surface and the backup pad 7 lower extreme of bracing piece 8 upper end, the external fixed mounting of bracing piece 8 lower extreme has the turning block, because the existence of screw thread, accessible stimulates bracing piece 8 downwards for the screw thread of bracing piece 8 upper end contacts with the inside screw thread of backup pad 7 lower extreme and makes cushion 9 and ground contact through twisting the turning block, utilizes the cushion 9 on both sides can guarantee that cutting device 5 is more stable at the during operation.

The working principle and the using process of the utility model are as follows:

before the cutting device works, the supporting rod 8 can be pulled downwards to extrude the second spring 17 inside the supporting rod, so that the threads at the upper end of the supporting rod 8 are in contact with the threads inside the lower end of the supporting plate 7, then the rotating block is screwed to drive the supporting rod 8 to rotate, so that the supporting rod 8 slowly descends along the inside of the supporting plate 7 until the cushion block 9 is in contact with the ground, due to the existence of the threads, the cushion block 9 can be firmly attached to the ground, and the cutting device 5 can be prevented from shaking during working by virtue of the fixation of the cushion blocks 9 at the two sides;

then starting the single-screw extrusion machine 1 to work, and then adding PVC granules into the bin 2;

then the starting motor 10 works to drive the rotating rod 15 and the gear 16 to rotate, one side with teeth can push the push plate 11 to move leftwards, so that the push rod 13 extrudes hydraulic oil in the connecting pipe 4, the extruded hydraulic oil flows towards the left end and pushes the dredging rod 14 to ascend, and the first spring 12 can be extruded in the process;

when the gear 16 rotates to the side without teeth, the push plate 11 is pushed by the first spring 12 with elasticity, so that the push plate 11 is reset rapidly, the push rod 13 is driven to move rightwards, hydraulic oil in the connecting pipe 4 is influenced by gravity and moves rightwards, the dredging rod 14 descends due to the influence of self gravity, and the motor 10 can drive the dredging rod 14 to lift continuously when working all the time, so that the dredging rod pokes towards the feed opening at the bottom of the storage bin 2 all the time, and the effect of continuous dredging is achieved;

after the work is finished, the rotating block is screwed to drive the supporting rod 8 to rotate reversely, so that the threaded area at the upper end of the supporting rod is separated from the threaded area inside the supporting plate 7, the second spring 17 with elasticity directly pushes the supporting rod 8 to contract towards the inside of the supporting plate 7, and then the annular sleeve 6 is detached, so that the machine equipment is convenient to clean.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a PVC panel production of low noise is with single screw extrusion device, includes single screw extrusion machine (1), feed bin (2) and mounting box (3), its characterized in that: the utility model discloses a motor, including mounting box (3), inside bottom fixed mounting has motor (10), the top fixedly connected with dwang (15) of motor (10), the upper end fixed mounting of dwang (15) has gear (16), the outside meshing of dwang (15) has push pedal (11), the left end fixedly connected with push rod (13) of push pedal (11), the left end fixedly connected with of push pedal (11) is located spring (12) in the push rod (13) outside, the left side fixedly connected with connecting pipe (4) of spring (12), the inside swing joint of connecting pipe (4) left end has mediation pole (14).

2. The single screw extrusion device for producing the low-noise PVC plate as claimed in claim 1, wherein: the left end fixed mounting of single screw rod extrusion machine (1) has cutting device (5), the annular cover (6) has been cup jointed in the outside activity of cutting device (5) left end, the equal fixedly connected with backup pad (7) in bottom at both ends about annular cover (6), No. two springs (17) of bottom fixedly connected with of backup pad (7) inside, the inside swing joint of backup pad (7) lower extreme has bracing piece (8), the bottom activity joint of bracing piece (8) has cushion (9).

3. The single screw extrusion device for producing the low-noise PVC plate as claimed in claim 1, wherein: the top and the bottom of the push plate (11) are fixedly provided with sliding blocks, and sliding grooves corresponding to the sliding blocks are formed in the mounting box (3).

4. The single screw extrusion device for producing the low-noise PVC plate as claimed in claim 1, wherein: the teeth on the gear (16) are distributed only in the range from zero degree to two hundred twenty degrees on the outer peripheral surface of the gear, and the teeth are fixedly arranged on the inner side of the push plate (11).

5. The single screw extrusion device for producing the low-noise PVC plate as claimed in claim 1, wherein: the inside of connecting pipe (4) is equipped with hydraulic oil, the upper end of dredging rod (14) adopts the toper structure.

6. The single screw extrusion device for producing the low-noise PVC sheet material as claimed in claim 2, wherein: the outer surface of the upper end of the supporting rod (8) and the inner wall of the lower end of the supporting plate (7) are both provided with threads, and the outer part of the lower end of the supporting rod (8) is fixedly provided with a rotating block.

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