CN112848212A

CN112848212A - A prevent centring device for PVC tubular product production line

Info

Publication number: CN112848212A
Application number: CN202110194209.6A
Authority: CN
Inventors: 吕先斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2021-05-28

Abstract

The invention discloses an anti-deviation device for a PVC (polyvinyl chloride) pipe production line, relates to the technical field of PVC pipe production matching devices, and solves the problem that the existing anti-deviation device can only carry out single water spraying cooling on a pipeline, namely, the pipeline is subjected to primary spraying cooling after passing through a water spraying part, and the cooling effect is poor. The anti-deviation device for the PVC pipe production line comprises a limiting rail, wherein the limiting rail comprises a mounting frame, a cross-brace frame and a positioning shaft sleeve, the limiting rail is integrally of a U-shaped structure, two rows of mounting frames at equal intervals are symmetrically welded on the left side wall and the right side wall of the limiting rail, and two rows of rubber guide wheels are symmetrically inserted on the left side wall and the right side wall of the limiting rail in a sliding manner; the top end of the front side position of the limiting track is fixedly welded with a vertical support frame, and a driven gear is installed in the middle section of the vertical support frame in a lifting and rotating mode. According to the invention, the driving rod and the driven gear can rotate to drive the rhombic water spraying frame to slide back and forth in a reciprocating manner to repeatedly spray water and cool the PVC pipe, so that the PVC pipe cooling device is beneficial to accelerating cooling of the PVC pipe.

Description

A prevent centring device for PVC tubular product production line

Technical Field

The invention relates to the technical field of PVC pipe production matching devices, in particular to an anti-deviation device for a PVC pipe production line.

Background

PVC tubular product adopts the extruder to produce usually, with the mixed batching of plastics melting inside the extruder barrel, then rethread extrusion tooling extrudes tubular product according to suitable size, because PVC tubular product is long and thin structure, the phenomenon of off tracking can probably exist to tubular product in extruder production process, break away from correct moving direction, cause tubular product to be blocked at the in-process that removes and bent because of excessive off tracking even, it prescribes a limit to need install additional generally to prevent off tracking device, ensure the production quality of tubular product.

For example, patent number is CN201911099185.5, discloses a deviation preventing equipment that PVC tubular product production line was used, including fixed station, restriction pole, the right side fixed mounting at fixed station top has two mounts, and the middle part fixed mounting on two mount tops has fixed roof, the spout has been seted up at the top of fixed roof, and the inside joint of spout has five card framves, the inboard fixed mounting of card frame below has limit guard plate. This deviation-preventing equipment that PVC tubular product production line was used fixes the connecting screw of injecing the pole right-hand member in extruder discharge gate department to fix the injecing pole top, when tubular product was extruded, tubular product can block into the outside of injecing the pole, because injecing the pole externally mounted and having evenly distributed's injecing pulley, become rolling friction with sliding friction, solved and used the limiting plate to inject the problem that produces the mar easily in the past.

The off tracking device of preventing now can only carry out the single cooling of spraying water to the pipeline mostly, promptly when the pipeline passes the water spray portion after carry out spray cooling to it once, the cooling effect is not good enough, and cooling rate is relatively poor, in the extrusion production process of pvc pipe in addition, because equipment trouble and extrusion die break need the artificial cooling water valve that opens and close of frequent opening and close just can prevent that the water source from normally opening extravagantly, and the operation is used comparatively loaded down with trivial details hard inconvenience.

Disclosure of Invention

The invention aims to provide a deviation preventing device for a PVC pipe production line, and aims to solve the problem that most pipelines in the background art can only be subjected to single-time water spraying cooling, namely, the pipelines are subjected to one-time spraying cooling after passing through a water spraying part, and the cooling effect is poor.

In order to achieve the purpose, the invention provides the following technical scheme: the anti-deviation device for the PVC pipe production line comprises a limiting rail, wherein the limiting rail comprises a mounting frame, a vertical support frame, a transverse support frame and a positioning shaft sleeve, the limiting rail is integrally of a U-shaped structure, two rows of mounting frames with equal intervals are symmetrically welded on the left side wall and the right side wall of the limiting rail, and two rows of rubber guide wheels are symmetrically slidably inserted on the left side wall and the right side wall of the limiting rail; a vertical support frame is welded and fixed at the top end of the front side position of the limiting track, a driven gear is arranged on the middle section of the vertical support frame in a hanging and rotating mode, a cross support frame is horizontally welded forwards on a left vertical support plate and a right vertical support plate of the vertical support frame, and two positioning shaft sleeves are symmetrically welded and fixed at the middle position of the cross support frame; a rhombic water spraying frame is slidably arranged on the two positioning shaft sleeves; a round water valve is welded on the mounting frame on the right side of the foremost end towards the right side in a supporting mode, the water valve is correspondingly communicated with the rhombic water spraying frame through a plastic hose, and an extruded PVC pipe penetrates through the rhombic water spraying frame and is arranged between the left row of guide wheels and the right row of guide wheels in a sliding and inserting mode; the guide wheel comprises sliding frames, and one sliding frame is welded and fixed on the back of each guide wheel frame.

Preferably, the left row of sliding frames and the right row of sliding frames are pushed by springs to penetrate through and be inserted on the left side wall and the right side wall of the limiting track and the two rows of mounting frames, and the vertical support connecting plates at the tail ends of the two rows of sliding frames are in sliding abutting joint with the two rows of mounting frames.

Preferably, the guide wheel further comprises driven gears, the top end sections of the guide wheel rotating shafts at two positions on the front side are respectively sleeved with one driven gear, and the two driven gears are correspondingly in meshing transmission with the driven gears.

Preferably, the water spray diamond frame comprises sliding shafts, two longitudinal sliding shafts are symmetrically welded at the top end of the water spray diamond frame, and the two sliding shafts are correspondingly sleeved with the two positioning shafts in a penetrating and sliding fit manner.

Preferably, the water spray diamond frame further comprises a driving strip, a row of water spray nozzles are welded on the inner wall of the periphery of the water spray diamond frame, and the driving strip is welded on the tail end cross arm of the two sliding shafts.

Preferably, the driven gear comprises a shifting lever, the outer ring of the driven gear is downwards welded and supported with the shifting lever, and the shifting lever is in top-inserting fit with the driving strip correspondingly.

Preferably, the water valve is provided with a water outlet pipe and a water inlet pipe which are welded and supported in an up-down symmetrical mode, a cross-shaped water channel is formed in the water valve, and the vertical support section of the cross-shaped water channel is correspondingly communicated with the water outlet pipe and the water inlet pipe.

Preferably, the water valve comprises a valve core shaft, the valve core shaft is inserted into the cross water channel cross-bracing section in the water valve in a sliding manner, a through hole is formed in the tail end section of the valve core shaft in a penetrating manner, and the head end of the valve core shaft is welded and fixed with the sliding frame on the right side of the foremost end.

Compared with the prior art, the invention has the beneficial effects that:

1. when the extruded PVC pipe is inserted and conveyed in the limiting track, the two rows of guide wheels are in rolling contact with the PVC pipe and are driven to rotate reversely by friction, the driven gear can be transmitted by the power of the two driving gears and can be meshed and rotated by the rolling force of the two guide wheels at the front side to provide a driving force for the diamond water spraying frame to slide in a reciprocating manner, so that a driving motor is additionally arranged for the movement of the water spraying cooling part, and the manufacturing cost and the power consumption of equipment are reduced;

2. according to the invention, the driving rod and the driven gear can rotate to drive the rhombic water spraying frame to slide back and forth in a reciprocating manner to repeatedly spray water and cool the PVC pipe, so that the cooling of the PVC pipe is accelerated;

3. the cooling water valve can be automatically switched on and off according to the existence of the PVC pipe, so that the trouble of manual frequent opening and closing operation is avoided, and the problem that the valve is opened for a long time when the PVC pipe extrusion equipment is in failure or the PVC pipe is broken is avoided, so that the waste of cooling water is caused.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the limit track according to the present invention;

FIG. 3 is a schematic view of the driven gear mounting position of the present invention;

FIG. 4 is a schematic view of the bottom structure of the diamond water spraying frame according to the present invention;

FIG. 5 is a schematic view of a diamond water spraying frame according to the present invention;

FIG. 6 is a schematic view of a sliding frame structure according to the present invention;

FIG. 7 is a schematic view of the internal structure of a water valve half plane according to the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a limiting track; 101. installing a frame; 102. a vertical support frame; 103. a cross brace frame; 104. positioning the shaft sleeve; 2. a guide wheel; 201. a sliding frame; 202. a driving gear; 3. a water spraying frame in a diamond shape; 301. a slide shaft; 302. a drive bar; 4. a driven gear; 401. a deflector rod; 5. a water valve; 501. a spool shaft.

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.

Referring to fig. 1 to 7, an embodiment of the present invention includes: an anti-deviation device for a PVC pipe production line comprises a limiting rail 1, wherein the limiting rail 1 comprises a mounting frame 101, a vertical support frame 102, a transverse support frame 103 and a positioning shaft sleeve 104, the limiting rail 1 is integrally of a U-shaped structure, two rows of mounting frames 101 with equal intervals are symmetrically welded on the left side wall and the right side wall of the limiting rail 1, and two rows of rubber guide wheels 2 are symmetrically inserted on the left side wall and the right side wall of the limiting rail 1 in a sliding manner; a vertical support frame 102 is fixedly welded at the top end of the front side position of the limiting track 1, a driven gear 4 is rotatably installed on the middle section of the vertical support frame 102 in a hanging mode, a cross support frame 103 is horizontally welded forwards on a left vertical support plate and a right vertical support plate of the vertical support frame 102, and two positioning shaft sleeves 104 are symmetrically and fixedly welded in the middle of the cross support frame 103; a rhombic water spraying frame 3 is slidably arranged on the two positioning shaft sleeves 104; a circular water valve 5 is welded on the mounting frame 101 on the right side of the foremost end towards the right side in a supporting mode, the water valve 5 is correspondingly communicated with the rhombic water spraying frame 3 through a plastic hose, and an extruded PVC pipe penetrates through the rhombic water spraying frame 3 and is slidably inserted between the left row of guide wheels and the right row of guide wheels 2; the guide wheel 2 comprises a sliding frame 201, and the back of the wheel frame of each guide wheel 2 is fixedly welded with one sliding frame 201; the left and right rows of sliding frames 201 penetrate through and are inserted on the left and right side walls of the limiting track 1 and the two rows of mounting frames 101 through spring pushing, vertical support connecting plates at the tail ends of the two rows of sliding frames 201 are in sliding abutting contact with the two rows of mounting frames 101, and the two rows of guide wheels 2 can clamp a transmission conveying path of a limiting PVC pipe to avoid deviation; the guide wheels 2 further comprise driving gears 202, the top end sections of rotating shafts of the guide wheels 2 at the two positions on the front side are respectively sleeved with one driving gear 202, the two driving gears 202 are correspondingly in meshed transmission with the driven gears 4, when extruded pvc pipes are inserted and transmitted in the limiting track 1, the two rows of guide wheels 2 are in rolling contact with the driving gears and are driven to rotate reversely by friction, the driven gears 4 can be transmitted by the power of the two driving gears 202 to provide a reciprocating sliding driving force for the rhombic water spraying frame 3 by utilizing the rolling force meshed rotation of the guide wheels 2 at the two positions on the front side, and a driving motor is additionally arranged for the movement of a water spraying cooling component, so that the manufacturing cost and the power consumption of equipment are reduced; the rhombic water spraying frame 3 comprises a sliding shaft 301, two longitudinal sliding shafts 301 are symmetrically welded at the top end of the rhombic water spraying frame 3, the two sliding shafts 301 are correspondingly in penetrating sliding fit with the two positioning shaft sleeves 104, and the two positioning shaft sleeves 104 can limit the sliding tracks of the two sliding shafts 301 and the rhombic water spraying frame 3 so as to enable the two sliding shafts to directly slide back and forth.

Further, the water spraying diamond frame 3 further comprises a driving strip 302, a row of water spraying nozzles are welded on the inner walls of the periphery of the water spraying diamond frame 3, the driving strip 302 is welded on the cross beam at the tail ends of the two sliding shafts 301, and the water spraying diamond frame 3 can implement surrounding water spraying cooling on the pvc pipe.

Further, driven gear 4 includes driving lever 401, and the welding supports down has a driving lever 401 on driven gear 4's the outer lane, and this driving lever 401 corresponds the cooperation of inserting of drive strip 302 top, and through driving lever 401, driven gear 4 is rotatable to order about rhombus water spray frame 3 and is slided back and forth repeatedly to the pvc pipe and spray water the cooling repeatedly, is favorable to accelerating the cooling of pvc pipe.

Furthermore, a water outlet pipe and a water inlet pipe are symmetrically welded and supported on the water valve 5 from top to bottom, a cross-shaped water channel is formed in the water valve 5, the vertical supporting section of the cross-shaped water channel is correspondingly communicated with the water outlet pipe and the water inlet pipe, the water inlet pipe at the bottom of the water valve 5 is communicated with an external circulating cooling water pump, and the water valve 5 can control the on-off of cooling water.

Further, the water valve 5 comprises a valve core shaft 501, the inside of the cross water channel cross-bracing section inside the water valve 5 is inserted with a valve core shaft 501 in a sliding manner, the tail end section of the valve core shaft 501 is provided with a through hole in a penetrating manner, the head end of the valve core shaft 501 is welded and fixed with the sliding frame 201 on the right side of the foremost end, when the top of the pvc pipe is inserted between the two rows of guide wheels 2, the two rows of guide wheels 2 are pushed and pushed towards the left and right sides, at the moment, the valve core shaft 501 is pushed and inserted by the sliding frame 201 sliding outwards, so that the through hole on the tail end section is communicated with the vertical bracing section of the cross water channel, the water valve 5 is controlled to be opened to supply water for the diamond water spraying frame 3, when the pvc pipe slides and separates from the two rows of guide wheels 2, the two rows of guide wheels 2 are pushed inwards by the spring, at the moment, the valve core shaft 501 is driven by the sliding frame 201 sliding inwards to, the trouble of manual frequent opening and closing operation is saved, and the problem that the valve is opened for a long time when the PVC pipe extrusion equipment is in failure or the PVC pipe is broken, so that the cooling water is wasted is avoided.

The working principle is as follows: the water inlet pipe at the bottom of the water valve 5 is communicated with an external circulating cooling water pump, the water valve 5 can control the on-off of cooling water, the diamond-shaped water spraying frame 3 can perform surrounding water spraying cooling on a pvc pipe, the two rows of guide wheels 2 can clamp a transmission path for limiting the pvc pipe to avoid deviation, the two positioning shaft sleeves 104 can limit sliding tracks of the two sliding shafts 301 and the diamond-shaped water spraying frame 3 to enable the pvc pipe to slide forwards and backwards, when the extruded pvc pipe is inserted into the limiting track 1, the two rows of guide wheels 2 can be in rolling contact with the sliding shafts and are driven to rotate in a reverse direction by friction, the driven gear 4 can transmit power through the two driving gears 202, the driven gear 4 can utilize the rolling force of the two guide wheels 2 at the front side to be meshed and rotated to provide driving force for reciprocating sliding for the diamond-shaped water spraying frame 3, a driving motor for moving the water spraying cooling part is omitted, the manufacturing cost and the power consumption of the device are reduced, and the driven gear 4 can rotate to drive the diamond-shaped When the top of the PVC pipe is inserted between the two rows of guide wheels 2, the two rows of guide wheels 2 are extruded and pushed towards the left and right outer sides, at the moment, the valve core shaft 501 is pushed and inserted by the sliding frame 201 which slides outwards, so that the through hole on the tail end section of the valve core shaft is communicated with the vertical support section of the cross water channel, the water valve 5 is controlled to be opened to supply water for the rhombic water spraying frame 3, the two rows of guide wheels 2 are pushed inwards by the spring after the PVC pipe slides and separates from the two rows of guide wheels 2, and at the moment, the valve core shaft 501 is driven by the sliding frame 201 which slides inwards to slide outwards to close the water valve 5.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent off tracking device for PVC tubular product production line which characterized in that: the U-shaped limiting rail comprises a limiting rail (1), wherein the limiting rail (1) comprises a mounting frame (101), a vertical support frame (102), a transverse support frame (103) and a positioning shaft sleeve (104), the whole limiting rail (1) is of a U-shaped structure, two rows of mounting frames (101) with equal intervals are symmetrically welded on the left side wall and the right side wall of the limiting rail (1), and two rows of rubber guide wheels (2) are symmetrically inserted on the left side wall and the right side wall of the limiting rail (1) in a sliding manner; a vertical support frame (102) is fixedly welded at the top end of the front side position of the limiting track (1), a driven gear (4) is rotatably installed on the middle section of the vertical support frame (102), a cross support frame (103) is horizontally welded forwards on the left vertical support plate and the right vertical support plate of the vertical support frame (102), and two positioning shaft sleeves (104) are symmetrically and fixedly welded at the middle position of the cross support frame (103); a rhombic water spraying frame (3) is arranged on the two positioning shaft sleeves (104) in a sliding way; a round water valve (5) is welded on the mounting frame (101) on the right side of the foremost end towards the right side in a supporting mode, the water valve (5) is correspondingly communicated with the rhombic water spraying frame (3) through a plastic hose, and an extruded PVC pipe penetrates through the rhombic water spraying frame (3) and is slidably inserted between the left row of guide wheels and the right row of guide wheels (2); the guide wheel (2) comprises sliding frames (201), and the back of the wheel frame of each guide wheel (2) is fixedly welded with one sliding frame (201).

2. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the left row and the right row of sliding frames (201) penetrate through and are inserted on the left side wall and the right side wall of the limiting track (1) and the two rows of mounting frames (101) through spring pushing, and vertical support connecting plates at the tail ends of the two rows of sliding frames (201) are slidably abutted on the two rows of mounting frames (101).

3. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the guide wheel (2) further comprises a driving gear (202), the top end sections of the rotating shafts of the guide wheel (2) at two positions on the front side are respectively sleeved with one driving gear (202), and the two driving gears (202) are correspondingly meshed with the driven gear (4) for transmission.

4. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the rhombic water spraying frame (3) comprises sliding shafts (301), two longitudinal sliding shafts (301) are symmetrically welded at the top end of the rhombic water spraying frame (3), and the two sliding shafts (301) are correspondingly matched with two positioning shaft sleeves (104) in a penetrating and sliding mode.

5. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the diamond-shaped water spraying frame (3) further comprises a driving strip (302), a row of water spraying nozzles are welded on the inner wall of the periphery of the diamond-shaped water spraying frame (3), and the driving strip (302) is welded on the tail end cross arm of the two sliding shafts (301).

6. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the driven gear (4) comprises a shifting rod (401), the outer ring of the driven gear (4) is downwards welded and supported with the shifting rod (401), and the shifting rod (401) is in top-inserting fit with the driving strip (302).

7. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the water valve (5) is provided with an upper water outlet pipe and a lower water inlet pipe which are symmetrically welded and supported, a cross-shaped water channel is formed in the water valve (5), and the vertical supporting section of the cross-shaped water channel is correspondingly communicated with the water outlet pipe and the water inlet pipe.

8. The deviation preventing device for the PVC pipe production line as claimed in claim 1, wherein the deviation preventing device comprises: the water valve (5) comprises a valve core shaft (501), the valve core shaft (501) is inserted in the cross water channel cross-bracing section in the water valve (5) in a sliding mode, a through hole is formed in the tail end section of the valve core shaft (501) in a penetrating mode, and the head end of the valve core shaft (501) is welded and fixed with the sliding frame (201) on the right side of the foremost end.