CN219748880U

CN219748880U - Cooling device for extruded rubber tube

Info

Publication number: CN219748880U
Application number: CN202321087738.7U
Authority: CN
Inventors: 阮成毅; 潘瑞云
Original assignee: Guangdong Xinlitong Industrial Co ltd
Current assignee: Guangdong Xinlitong Industrial Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-09-26
Anticipated expiration: 2033-05-08

Abstract

The utility model relates to the technical field of extrusion rubber tube production, in particular to an extrusion rubber tube cooling device, which comprises a cooling box, wherein the cooling box is provided with a cooling channel for an extrusion rubber tube to pass through from front to back, the cooling box is provided with a spraying mechanism for spraying cooling liquid to the extrusion rubber tube in the cooling channel, a liquid collecting tank arranged below the spraying mechanism and used for collecting the cooling liquid, and two groups of bearing mechanisms arranged in front of and behind the spraying mechanism, the bearing mechanisms comprise a rotating frame rotationally connected with the cooling box and a plurality of bearing rollers which are wound on the rotating frame and are in one-to-one correspondence to bearing the extrusion rubber tubes in various types, the side surfaces of the bearing rollers are provided with arc concave surfaces matched with the outer sides of the extrusion rubber tube, and the cooling box is provided with a locking mechanism used for locking the positions of the rotating frame. By implementing the cooling device for the extruded rubber tube, the outer diameter of the extruded rubber tube is matched with the arc concave surface of the carrier roller, so that the problem that the extruded rubber tube deforms greatly due to the fact that the contact area between the carrier roller and the extruded rubber tube is small is avoided.

Description

Cooling device for extruded rubber tube

Technical Field

The utility model relates to the technical field of extruded rubber tube production, in particular to a cooling device for an extruded rubber tube.

Background

When the extrusion rubber tube is produced, the plastic raw materials are firstly mixed, and the mixed raw materials are heated to a molten state through extrusion and are matched with an extrusion die for molding. The common plasticizing temperature is generally 150-200 ℃, so that the pipe wall material of the extruded rubber pipe still keeps a high-temperature soft state during extrusion molding and sizing, and the problems of bending, deformation and the like are easy to occur during the conveying and cutting procedures, thereby greatly influencing the quality of products. In order to minimize deformation of the extruded hose during subsequent conveying and cutting operations, the extruded hose is typically cooled by a cooling device to reduce the temperature of the extruded hose below the softening temperature.

The extrusion rubber tube cooling device in the prior art generally comprises a cooling tank, a cooling water spraying device and a cooling water collecting tank which are arranged in the cooling tank, and a supporting roller for lifting the extrusion rubber tube, wherein the side surface of the supporting roller is provided with an arc concave surface matched with the outer side of the extrusion rubber tube in order to reduce deformation caused by the extrusion rubber tube which leaves an extrusion die and the supporting roller. However, since the extruder is not used for fixedly producing the extruded rubber tube with one outer diameter, but is used for producing several extruded rubber tubes with adjacent outer diameter, when the outer diameter of the extruded rubber tube is changed after the production batch of the extruded rubber tube is changed, the outer diameter of the extruded rubber tube is not matched with the arc concave surface of the carrier roller after the extrusion die of the extruder is changed, so that the contact area of the carrier roller and the extruded rubber tube is less, and the extruded rubber tube is greatly deformed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the extruded rubber tube cooling device which enables the outer diameter of the extruded rubber tube to be matched with the arc concave surface of the carrier roller.

In order to solve the technical problems, the cooling device for the extruded rubber pipe comprises a cooling box, wherein the cooling box is provided with a cooling channel for the extruded rubber pipe to pass through from front to back, the cooling box is provided with a spraying mechanism for spraying cooling liquid to the extruded rubber pipe in the cooling channel, a liquid collecting tank arranged below the spraying mechanism and used for collecting the cooling liquid, and two groups of supporting mechanisms arranged in front of and behind the spraying mechanism, the supporting mechanism comprises a rotating frame rotationally connected with the cooling box and a plurality of supporting rollers which are wound on the rotating frame and are in one-to-one correspondence to support the extruded rubber pipe in various types, the side surface of each supporting roller is provided with an arc concave surface matched with the outer side of the extruded rubber pipe, and the cooling box is provided with a locking mechanism for locking the position of the rotating frame.

As an improvement of the scheme, the rotation axis of the rotating frame is arranged in a extending mode.

As the improvement of above-mentioned scheme, two sets of locking mechanical system sets up relatively from top to bottom, locking mechanical system is including setting up the locating rack and with locating rack front and back sliding connection's locating bolt in revolving rack one side that deviates from the cooling tank, the revolving rack is equipped with a plurality of and a plurality of bearing roller one-to-one and is used for supplying the locating hole that the locating bolt stretches into.

As an improvement of the scheme, the part of the positioning plug pin, which is used for extending into the positioning hole, is a limiting frustum with the outer diameter gradually increasing from one side deviating from the rotating frame to one side facing the rotating frame, and the outline of the inner cavity of the positioning hole is matched with the limiting frustum.

As the improvement of above-mentioned scheme, the locating rack is equipped with the guiding hole that extends the setting around and with location bolt sliding connection and with the guiding hole be close to the hole of stepping down of revolving rack one end intercommunication, the hole axle center of stepping down is coincident with the guiding hole axle center and the external diameter is greater than the external diameter of guiding hole, locking mechanical system still includes the compression spring of cover on the location bolt, compression spring is towards revolving rack one end and location bolt fixed connection and deviate from revolving rack one end and step of stepping down hole and guiding hole junction offset.

As an improvement of the scheme, one end of the positioning bolt, which is away from the rotating frame, is fixedly connected with a push-pull handle.

As the improvement of above-mentioned scheme, the cooling tank is equipped with two and corresponds the support bracket that sets up in the liquid collecting tank the place ahead and the rear, support bracket rotates and is connected with the axis of rotation that extends the setting around, revolving rack and axis of rotation deviate from liquid collecting tank one end fixed connection.

As an improvement of the scheme, the extrusion rubber tube cooling device further comprises two groups of rotating mechanisms which are in one-to-one correspondence to drive the two rotating frames to rotate, wherein each rotating mechanism comprises a first transmission shaft which is arranged in a front-to-back extending mode, a second transmission shaft which is arranged in a vertical extending mode, a first bevel gear which is fixed at one end of the rotation shaft towards the liquid collecting groove, a second bevel gear which is fixed at the upper end of the second transmission shaft and meshed with the first bevel gear, a third bevel gear which is fixed at the lower end of the second transmission shaft, a fourth bevel gear which is fixed at one end of the first transmission shaft towards the liquid collecting groove and meshed with the third bevel gear, and a rotating wheel which is fixed at one end of the first transmission shaft away from the liquid collecting groove, and the first transmission shaft is arranged below the rotating frames and is in rotating connection with the supporting brackets, and the second transmission shaft is in rotating connection with the cooling box.

The implementation of the utility model has the following beneficial effects:

according to the extrusion rubber tube cooling device, the cooling box, the cooling channel, the spraying mechanism, the liquid collecting tank, the supporting mechanism, the rotating frame, the carrier roller, the arc concave surface and the locking mechanism are matched with each other, the rotating frame is provided with a plurality of supporting rollers matched with different outer diameters, when the outer diameter size of the extrusion rubber tube is changed after the production batch of the extrusion rubber tube is changed, the matched supporting rollers can be rotated to the uppermost part of the rotating frame and correspondingly support the extrusion round tube after the extrusion die of the extruder is changed, so that the outer diameter of the extrusion rubber tube is matched with the arc concave surface of the carrier roller, and the situation that the extrusion rubber tube is deformed greatly due to the fact that the contact area of the carrier roller and the extrusion rubber tube is small is avoided.

Drawings

FIG. 1 is a schematic diagram of a cooling device for an extruded rubber tube in an embodiment of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of a supporting mechanism according to an embodiment of the present utility model;

fig. 4 is a working state diagram of a plurality of carrier rollers on the bearing mechanism in the embodiment of the utility model;

fig. 5 is a schematic diagram of the operation of the locking mechanism according to an embodiment of the present utility model.

In the figure: 1. a cooling box; 2. a cooling channel; 3. a spraying mechanism; 4. a liquid collecting tank; 5. a bearing mechanism; 6. a rotating frame; 7. a carrier roller; 8. a circular arc concave surface; 9. a positioning frame; 10. positioning a bolt; 11. positioning holes; 12. a guide hole; 13. a relief hole; 14. a compression spring; 15. push-pull handle; 16. a support bracket; 17. a rotating shaft; 18. a first drive shaft; 19. a second drive shaft; 20. a first bevel gear; 21. a second bevel gear; 22. a third bevel gear; 23. a fourth bevel gear; 24. a rotating wheel.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way. The "left" in fig. 1 is the actual "back", and the "right" in fig. 1 is the actual "front".

As shown in fig. 1 to 5, an extruded rubber tube cooling device in the embodiment of the utility model comprises a cooling box 1, wherein the cooling box 1 is provided with a cooling channel 2 for the extruded rubber tube to pass through from front to back, the cooling box 1 is provided with a spraying mechanism 3 for spraying cooling liquid to the extruded rubber tube in the cooling channel 2, a liquid collecting tank 4 arranged below the spraying mechanism 3 and used for collecting the cooling liquid, and two groups of supporting mechanisms 5 arranged in front of and behind the spraying mechanism 3, in fact, the spraying mechanism 3 can be a spray pipeline provided with a plurality of spraying pipelines for spraying the cooling liquid towards the extruded rubber tube or a plurality of spray heads for spraying the cooling liquid towards the extruded rubber tube, the cooling liquid with lower temperature is sprayed to the outer wall of the extruded rubber tube, heat of the extruded rubber tube is taken away and falls into the liquid collecting tank 4 below, in addition, the liquid collecting tank 4 is provided with a liquid discharging pipe, the liquid discharging pipe is communicated with a liquid inlet of an external circulation refrigerator, and a liquid outlet of the external circulation refrigerator is communicated with the liquid inlet of the spraying mechanism 3, so that the cooling liquid sprayed by the spraying mechanism 3 is ensured to be at a lower temperature and the cooling liquid sprayed by the spraying mechanism 3 is ensured to be circularly used for cooling the extruded rubber tube.

The bearing mechanism 5 comprises a rotating frame 6 rotatably connected with the cooling box 1 and a plurality of bearing rollers 7 which are wound on the rotating frame 6 and are in one-to-one correspondence with the bearing rollers for bearing various types of extruded rubber tubes, in the embodiment of the utility model, four bearing rollers 7 are arranged on one rotating frame 6, and one bearing roller 7 corresponds to four extruded rubber tubes with different outer diameter sizes, in fact, the number of the bearing rollers 7 can be increased or decreased according to the number of the extruded rubber tubes with different outer diameter sizes to be produced; the side surface of the supporting roller 7 is provided with an arc concave surface 8 matched with the outer side of the extruded rubber tube, namely the diameter of a circle on which the arc edge on the upper side of the vertical section of the supporting roller 7 is positioned is the same as the outer diameter of the corresponding extruded rubber tube, so that when the extruded rubber tube is placed on the supporting roller 7, the contact area between the extruded rubber tube and the arc concave surface 8 of the supporting roller 7 is larger, and the deformation of the extruded rubber tube is reduced, referring to fig. 4; the cooling box 1 is provided with a locking mechanism for locking the position of the rotating frame 6, and the locking mechanism can be a cylinder matched with a clamping block to clamp the rotating frame 6, so that the rotating frame 6 can be clamped to prevent the rotating frame 6 from rotating; when the required backup roller 7 rotates to the uppermost side of the turret 6 and the rotation axis of the backup roller 7 is parallel to the horizontal plane, the lock mechanism locks the position of the turret 6 to prevent the turret 6 from rotating. It should be noted that, the height positions of the different supporting rollers 7 on the rotating frame 6 are different when the supporting rollers are at the uppermost position, and the axes of the supported extruded rubber tubes are at the same height (specifically, the positions of the supporting rollers 7 and the rotating shaft center of the rotating frame 6 can be adjusted according to half of the difference value of the outer diameters of the extruded rubber tubes to be supported by the supporting rollers 7).

The concrete working principle of the cooling device for the extruded rubber tube is as follows: after the extrusion die is replaced by the external extruder, the locking mechanism is released to lock the rotating frame 6, the supporting roller 7 corresponding to the outer diameter size of the extrusion rubber tube of the extrusion die after replacement on the rotating frame 6 is rotated to the uppermost part of the rotating frame 6, and when the rotation axis of the supporting roller 7 is parallel to the horizontal plane, the locking mechanism locks the position of the rotating frame 6 to prevent the rotating frame 6 from rotating, the extrusion rubber tube produced by the extruder passes through the cooling channel 2 and is cooled by cooling liquid sprayed by the spraying mechanism 3, and meanwhile, the extrusion rubber tube is propped against the supporting roller 7.

According to the extrusion rubber tube cooling device, the cooling box 1, the cooling channel 2, the spraying mechanism 3, the liquid collecting tank 4, the supporting mechanism 5, the rotating frame 6, the supporting roller 7, the circular arc concave surface 8 and the locking mechanism are matched with each other, the rotating frame 6 is provided with a plurality of supporting rollers 7 matched with different outer diameters, when the outer diameter size of the extrusion rubber tube is changed after the production batch of the extrusion rubber tube is changed, the matched supporting roller 7 can be rotated to the uppermost part of the rotating frame 6 and correspondingly support the extrusion round tube after the extrusion die of the extruder is changed, so that the outer diameter of the extrusion rubber tube is matched with the circular arc concave surface 8 of the supporting roller 7, and the large deformation of the extrusion rubber tube caused by the small contact area of the supporting roller 7 and the extrusion rubber tube is avoided.

Specifically, the rotation axis of the turret 6 is preferably disposed to extend back and forth, so that the rotation axis of the turret 6 is parallel to the conveying direction of the extruded rubber tube.

Specifically, two sets of locking mechanical system sets up relatively around, locking mechanical system is preferable including setting up locating rack 9 and the locating bolt 10 of sliding connection around with locating rack 9 in revolving rack 6 deviates from cooling tank one side, revolving rack 6 is equipped with a plurality of and a plurality of bearing roller 7 one-to-one and is used for supplying locating bolt 10 to stretch into locating hole 11, and what figure 3 shows is that there are four locating holes 11 to correspond four bearing rollers 7 on the revolving rack 6, in fact, can increase and decrease bearing roller 7 and the quantity of locating hole 11 according to the quantity of the extruded rubber pipe of different external diameter sizes of production, rotates the top to revolving rack 6 when required bearing roller 7, and locating bolt 10 stretches into in the locating hole 11, prevents that revolving rack 6 from rotating, realizes the function of locking the carousel position. Further, the part of the positioning bolt 10, which is used for extending into the positioning hole 11, is preferably a limiting frustum with the outer diameter gradually increasing from the side deviating from the rotating frame 6 towards the side facing the rotating frame 6, the inner cavity profile of the positioning hole 11 is matched with the limiting frustum, the positioning bolt 10 is matched with the positioning hole 11, and when the positioning bolt 10 extends into the positioning hole 11, a certain guiding effect exists, the positioning bolt 10 is identified to extend into the positioning hole 11 more easily, and meanwhile, the positioning accuracy of the rotating frame 6 is ensured.

Further, the positioning frame 9 is preferably provided with a guide hole 12 extending back and forth and slidably connected with the positioning bolt 10, and a yielding hole 13 communicated with one end of the guide hole 12 close to the rotating frame 6, the axis of the yielding hole 13 coincides with the axis of the guide hole 12, the outer diameter of the yielding hole is larger than that of the guide hole 12, the locking mechanism further comprises a compression spring 14 sleeved on the positioning bolt 10, and one end of the compression spring 14, facing the rotating frame 6, is fixedly connected with the positioning bolt 10, and the other end, facing away from the rotating frame 6, of the compression spring abuts against a step at the joint of the yielding hole 13 and the guide hole 12. In fact, the outer diameter of the compression spring 14 is smaller than the inner diameter of the yielding hole 13, when the positioning bolt 10 is pulled to enable the positioning bolt 10 to move towards the side opposite to the rotating frame 6, the compression spring 14 compresses, the pulling of the positioning bolt 10 is released, the compression spring 14 enables the positioning bolt 10 to move towards the side opposite to the rotating frame 6, and after the positioning bolt 10 stretches into the positioning hole 11, the bolt is prevented from leaving the positioning hole 11 under the action of the compression spring 14, so that the locking function of the locking mechanism is ensured. Meanwhile, one end of the positioning bolt 10, which is away from the rotating frame 6, is preferably fixedly connected with a push-pull handle 15, so that the positioning bolt 10 can be conveniently driven to move forwards and backwards through the push-pull handle 15.

It should be noted that, the cooling tank 1 is preferably provided with two support brackets 16 correspondingly disposed in front of and behind the liquid collecting tank 4, the support brackets 16 are rotatably connected with a rotation shaft 17 extending back and forth, and the rotating frame 6 is fixedly connected with one end of the rotation shaft 17 away from the liquid collecting tank 4, so as to realize the rotation connection of the rotating frame 6 and the cooling tank 1.

It should be noted that the extruded rubber tube cooling device of the present utility model further comprises two sets of rotating mechanisms corresponding to each other one by one to drive the two rotating frames 6 to rotate, the rotating mechanisms preferably comprise a first transmission shaft 18 extending back and forth, a second transmission shaft 19 extending up and down, a first bevel gear 20 fixed at one end of the rotation shaft 17 towards the liquid collecting tank 4, a second bevel gear 21 fixed at the upper end of the second transmission shaft 19 and meshed with the first bevel gear 20, a third bevel gear 22 fixed at the lower end of the second transmission shaft 19, a fourth bevel gear 23 fixed at one end of the first transmission shaft 18 towards the liquid collecting tank 4 and meshed with the third bevel gear 22, and a rotating wheel 24 fixed at one end of the first transmission shaft 18 away from the liquid collecting tank 4, wherein the first transmission shaft 18 is arranged below the rotating frames 6 and is rotationally connected with the support bracket 16, and the second transmission shaft 19 is rotationally connected with the cooling tank 1. When the rotating wheel 24 is rotated, the rotating frame 6 is rotated by the cooperation of the first transmission shaft 18, the second transmission shaft 19, the first bevel gear 20, the second bevel gear 21, the third bevel gear 22, the fourth bevel gear 23 and the rotating shaft 17, so that an operator can drive the front rotating frame 6 to rotate through the front rotating wheel 24 and drive the rear rotating frame 6 to rotate through the rear rotating wheel 24.

The foregoing description is only specific embodiments of the present utility model, and not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims

1. An extrusion rubber tube cooling device which is characterized in that: including the cooling tank, the cooling tank is equipped with the cooling channel that the rubber tube passed from the front to the back that supplies to extrude, the cooling tank is installed and is used for extruding the spray mechanism of rubber tube injection coolant liquid in the cooling channel, is arranged in the collecting tank that sprays the mechanism below and is used for collecting coolant liquid and two sets of bearing mechanism that set up in spray mechanism the place ahead and rear, bearing mechanism includes revolving rack and a plurality of bearing rollers that are used for bearing multiple model extrusion rubber tube around establishing and the one-to-one on the revolving rack that rotate with the cooling tank, bearing roller side be equipped with extrude rubber tube outside assorted circular arc concave surface, the cooling tank is equipped with the locking mechanism that is used for locking the revolving rack position.

2. An extruded hose cooling device according to claim 1, wherein: the rotating shaft center of the rotating frame extends forwards and backwards.

3. An extruded hose cooling device according to claim 2, wherein: the two sets of locking mechanical system sets up relatively around, locking mechanical system is including setting up the locating rack that deviates from cooling tank one side at the revolving rack and with locating rack front and back sliding connection's locating bolt, the revolving rack be equipped with a plurality of bearing roller one-to-one and supply the locating hole that locating bolt stretched into.

4. A extruded hose cooling device according to claim 3, wherein: the part of the positioning plug pin, which is used for extending into the positioning hole, is a limiting frustum with the outer diameter gradually increasing from one side deviating from the rotating frame to one side facing the rotating frame, and the outline of the inner cavity of the positioning hole is matched with the limiting frustum.

5. An extruded hose cooling device according to claim 4, wherein: the locating rack has the guiding hole that extends the setting around and with locating bolt sliding connection and the hole of stepping down that is close to revolving rack one end intercommunication with the guiding hole, the hole axle center of stepping down coincides and the external diameter that the external diameter is greater than the guiding hole with the guiding hole axle center, locking mechanical system still includes the compression spring of cover on locating bolt, compression spring is towards revolving rack one end and locating bolt fixed connection and deviate from revolving rack one end and step of hole and guiding hole junction offset of stepping down.

6. A extruded hose cooling device according to claim 3, wherein: one end of the positioning bolt, which is away from the rotating frame, is fixedly connected with a push-pull handle.

7. An extruded hose cooling device according to claim 2, wherein: the cooling box is provided with two support brackets which are correspondingly arranged in front of and behind the liquid collecting tank, the support brackets are rotationally connected with a rotating shaft which is arranged in a front-back extending mode, and the rotating frame is fixedly connected with one end, deviating from the liquid collecting tank, of the rotating shaft.

8. An extruded hose cooling device according to claim 7, wherein: the rotary mechanism comprises a first transmission shaft, a second transmission shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear and a rotating wheel, wherein the first transmission shaft is arranged in a front-back extending mode, the second transmission shaft is arranged in a vertical extending mode, the first bevel gear is fixed at the upper end of the rotation shaft towards one end of a liquid collecting groove, the second bevel gear is fixed at the upper end of the second transmission shaft and meshed with the first bevel gear, the third bevel gear is fixed at the lower end of the second transmission shaft, the fourth bevel gear is fixed at one end of the first transmission shaft towards the liquid collecting groove and meshed with the third bevel gear, the rotating wheel is fixed at one end of the first transmission shaft away from the liquid collecting groove, the first transmission shaft is arranged below the rotary frame and is connected with a support bracket in a rotating mode, and the second transmission shaft is connected with a cooling box in a rotating mode.