Cooling device for PE pipe machining

Abstract

The utility model relates to the technical field of PE pipe processing, in particular to a cooling device for PE pipe processing, which comprises a box body, a pre-cooling assembly is further installed on the box body, when the cooling device is used, the output end of a second motor drives a driving wheel to rotate, a plurality of corresponding conveying rollers are driven to rotate synchronously through a synchronous belt and a plurality of driven wheels, and the pre-cooling assembly is installed on the box body. The output end of the first motor drives a crank to rotate, then a sliding ring is driven by a sliding block to slide on a guide rail in a reciprocating mode, first-stage air cooling pre-cooling is conducted on the PE pipe through an air spraying head installed on the sliding ring, and along with continuous conveying of the PE pipe, the PE pipe can pass through the lower portion of the spraying head, and then the PE pipe can be cooled through the air spraying head; and at the moment, the pre-cooled PE pipe is subjected to second-stage spray cooling, the weak-to-strong stepped cooling effect is achieved, brittleness enhancement, caused by shock cooling, of the PE pipe is avoided, and the performance of the PE pipe is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of PE pipe processing, in particular to a cooling device for PE pipe processing. Background Art

[0002] After the existing PE pipe is extruded by an extruder, in order to avoid deformation of the formed pipe before it is finalized, the pipe needs to be cooled down. Currently, a spray head is used to spray cold water directly from the upper surface of the pipe to achieve this.

[0003] For example, the Chinese patent application number CN202221811097.0 discloses a PE pipe cooling device, including a base, a bracket on the base, a rotating mechanism, a spraying mechanism and a stabilizing mechanism on the bracket from front to back, and the spraying mechanism includes a cooling cylinder, the purpose of which is to solve the problem that the spraying area of ​​the spray head is limited, the upper surface of the pipe is in the spraying range of the spray head, so the upper surface temperature of the pipe is low, and the lower surface of the pipe is higher because it exceeds the spraying range of the spray head, resulting in uneven cooling. However, in actual use, the quenching and cooling of the PE pipe just extruded from the extruder will increase the brittleness of the PE pipe and affect its performance. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a cooling device for PE pipe processing to solve the technical problem in the prior art that the PE pipe just extruded from the extruder is suddenly cooled, which will increase the brittleness of the PE pipe and affect its performance.

[0005] Based on the above purpose, the utility model provides a cooling device for PE pipe processing, including a box body, a feed port and a discharge port are respectively arranged on both sides of the box body, a spray head is installed on the box body through a water tank, and the spray head is arranged on a side close to the discharge port, and a precooling component is also installed on the box body, and the precooling component includes:

[0006] A guide rail, wherein the guide rail is arranged in the box;

[0007] A sliding frame, wherein the sliding frame is slidably arranged on a guide rail, a nozzle is arranged on the sliding frame, the nozzle faces the PE pipe, and the nozzle is arranged on a side close to the feed port;

[0008] Feeding assembly for conveying PE pipes.

[0009] Furthermore, a motor 1 is installed at the lower end of the box body, a crank is installed at the output end of the motor 1, a slider is installed at the other end of the crank, a slip ring is slidably provided on the slider, and the upper end of the slip ring is fixedly connected to the sliding frame.

[0010] Furthermore, an adjustment block is installed in the middle of the sliding frame to adjust the installation height of the nozzle on the sliding frame.

[0011] Furthermore, the feeding assembly includes a second motor and a conveying roller. The second motor is installed on the box body through a mounting seat. A driving wheel is installed at the output end of the second motor. There are several conveying rollers and they are all rotatably installed on the mounting seat. The ends of several conveying rollers are coaxially fixed with driven wheels. The driving wheel is connected to the several driven wheels through a synchronous belt.

[0012] Furthermore, the conveying roller is a grooved spiral surface, and the PE pipe is placed on the grooved spiral surface between two adjacent conveying rollers.

[0013] Furthermore, an air gap is provided between two adjacent conveying rollers, and the air jet heads are respectively placed on the upper and lower sides of the conveying rollers.

[0014] Furthermore, a clearance opening is provided at the lower end of the box body, and the crank and the slip ring are placed in the area of ​​the clearance opening.

[0015] Furthermore, a cooling liquid pool is arranged in the box below the spray head.

[0016] The beneficial effects of the utility model are as follows: a cooling device for PE pipe processing of the utility model is adopted. When in use, the output end of the second motor drives the driving wheel to rotate, and drives the corresponding multiple conveying rollers to rotate synchronously through the synchronous belt and multiple driven wheels, so that the PE pipe maintains straightness during the conveying and cooling process, and the output end of the first motor drives the crank to rotate, and then drives the slip ring to slide back and forth on the guide rail through the slider, and the PE pipe is pre-cooled by air through the spray head installed thereon. As the PE pipe continues to be conveyed, it will pass under the spray head. At this time, the PE pipe that has completed pre-cooling is sprayed for the second stage, so as to achieve a step-by-step cooling effect from weak to strong, avoid the brittleness of the PE pipe caused by sudden cooling, and ensure its own performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the connection relationship of some structures in the utility model;

[0020] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0021] Figure 4 It is a schematic diagram of the assembly of the feeding assembly in the utility model;

[0022] Figure 5 It is a schematic diagram of the state of the PE pipe in the utility model when it is placed on the feeding assembly for transportation.

[0023] The markings in the figure are:

[0024] 1. Box body; 2. Feed inlet; 3. Discharge outlet; 4. Water tank; 5. Sprinkler head; 6. Guide rail; 7. Sliding frame; 8. Spray head; 9. Motor 1; 10. Crank; 11. Slider; 12. Slip ring; 13. Adjustment block; 14. Motor 2; 15. Conveyor roller; 16. Mounting seat; 17. Driving wheel; 18. Driven wheel; 19. Synchronous belt; 20. Cooling liquid pool. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] The first aspect of the utility model provides a cooling device for PE pipe processing, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, it comprises a box body 1, a feed port 2 and a discharge port 3 are respectively arranged on both sides of the box body 1, a spray head 5 is installed on the box body 1 through a water tank 4, and the spray head 5 is controlled to open and close by a water pump arranged inside the water tank 4;

[0028] The spray head 5 is arranged on a side close to the discharge port 3, and a precooling component is also installed on the box body 1, and the precooling component includes:

[0029] A guide rail 6, wherein the guide rail 6 is arranged in the box body 1;

[0030] A sliding frame 7, wherein the sliding frame 7 is slidably disposed on the guide rail 6, and an air jet 8 is disposed on the sliding frame 7, and the air jet 8 is connected to an air source disposed in the device through a pipe;

[0031] The air jet head 8 faces the PE pipe, and the air jet head 8 is arranged close to the side of the feed port 2;

[0032] Feeding assembly for conveying PE pipes.

[0033] In this embodiment, a motor 9 is installed at the lower end of the box body 1, a crank 10 is installed at the output end of the motor 9, a slider 11 is installed at the other end of the crank 10, a slip ring 12 is slidably provided on the slider 11, and the upper end of the slip ring 12 is fixedly connected to the sliding frame 7.

[0034] In this embodiment, the feeding assembly includes a motor 14 and a conveying roller 15. The motor 14 is installed on the box body 1 through a mounting seat 16. A driving wheel 17 is installed at the output end of the motor 14. There are several conveying rollers 15 and they are all rotatably installed on the mounting seat 16. The ends of several conveying rollers 15 are coaxially fixed with driven wheels 18. The driving wheel 17 is connected to several driven wheels 18 through a synchronous belt 19.

[0035] In this embodiment, when in use, multiple PE pipes extruded synchronously from the extruder enter from the feed port 2 of the device and are placed in the box 1, and the motor 1 9 and the motor 2 14 are started synchronously. The output end of the motor 2 14 drives the driving wheel 17 to rotate, and drives the corresponding multiple conveying rollers 15 to rotate synchronously through the synchronous belt 19 and multiple driven wheels 18, so that the PE pipe maintains straightness during transportation and cooling, and the output end of the motor 1 9 drives the crank 10 to rotate, and then drives the slip ring 12 to slide back and forth on the guide rail 6 through the slider 11, and the PE pipe is pre-cooled by the first stage of air cooling through the nozzle 8 installed thereon. As the PE pipe continues to be transported, it will pass under the spray head 5. At this time, the PE pipe that has completed pre-cooling is sprayed and cooled in the second stage, and the cooling water falls into the cooling liquid pool 20 below to complete the collection. Finally, the cooled PE pipe is sent out from the discharge port 3.

[0036] In this embodiment, if Figure 4 , Figure 5As shown, the conveying roller 15 is a grooved spiral surface, and the PE pipe is placed on the grooved spiral surface between two adjacent conveying rollers 15. The PE pipe can not only maintain straightness correction between the two adjacent conveying rollers 15, but also the cooling airflow can cover the entire surface of PE through the spiral grooves.

[0037] In this embodiment, if Figure 1 , Figure 4 , Figure 5 As shown, an air gap is set between two adjacent conveying rollers 15, and the nozzles 8 are respectively placed on the upper and lower sides of the conveying roller 15. The nozzle 8 located above can blow through the air gap to the lower surface of the PE pipe to ensure a comprehensive pre-cooling effect of the PE pipe.

[0038] In addition, if Figure 3 As shown, a clearance opening is provided at the lower end of the housing 1 , and the crank 10 and the slip ring 12 are placed in the area of ​​the clearance opening, so that the crank 10 can rotate a full circle and avoid rigid contact between the slip ring 12 and the housing 1 .

[0039] In addition, preferably, Figure 4 , Figure 5 As shown, an adjustment block 13 is installed in the middle of the sliding frame 7 to adjust the installation height of the nozzle 8 on the sliding frame 7. The installation height can be adjusted instantly according to the diameter of the PE pipe to be cooled to improve the application range of the cooling device.

[0040] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention, including the claims, is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0041] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A cooling device for PE pipe processing, comprising a box body (1), wherein a feed inlet (2) and a discharge outlet (3) are respectively arranged on both sides of the box body (1), and a spray head (5) is installed on the box body (1) through a water tank (4), characterized in that: The spray head (5) is arranged on a side close to the discharge port (3), and a precooling component is also installed on the box body (1), and the precooling component comprises: A guide rail (6), wherein the guide rail (6) is arranged in the box body (1); A sliding frame (7), the sliding frame (7) is slidably arranged on the guide rail (6), a nozzle (8) is arranged on the sliding frame (7), the nozzle (8) faces the PE pipe, and the nozzle (8) is arranged on a side close to the feed port (2); Feeding assembly for conveying PE pipes.

2. A cooling device for PE pipe processing according to claim 1, characterized in that: A motor 1 (9) is mounted at the lower end of the box body (1), a crank (10) is mounted at the output end of the motor 1 (9), a slider (11) is mounted at the other end of the crank (10), a slip ring (12) is slidably mounted on the slider (11), and the upper end of the slip ring (12) is fixedly connected to the sliding frame (7).

3. A cooling device for PE pipe processing according to claim 1 or 2, characterized in that: An adjustment block (13) is installed in the middle of the sliding frame (7) for adjusting the installation height of the jet head (8) on the sliding frame (7).

4. A cooling device for PE pipe processing according to claim 1, characterized in that: The feeding assembly comprises a second motor (14) and a conveying roller (15). The second motor (14) is mounted on the box body (1) via a mounting seat (16). A driving wheel (17) is mounted on the output end of the second motor (14). There are a plurality of conveying rollers (15) which are rotatably mounted on the mounting seat (16). A driven wheel (18) is coaxially fixedly mounted on the ends of the plurality of conveying rollers (15). The driving wheel (17) and the plurality of driven wheels (18) are connected via a synchronous belt (19).

5. A cooling device for PE pipe processing according to claim 4, characterized in that: The conveying roller (15) has a grooved spiral surface, and the PE pipe is placed on the grooved spiral surface between two adjacent conveying rollers (15).

6. A cooling device for PE pipe processing according to claim 4, characterized in that: An air gap is provided between two adjacent conveying rollers (15), and the air jet heads (8) are respectively disposed on the upper and lower sides of the conveying rollers (15).

7. A cooling device for PE pipe processing according to claim 2, characterized in that: The lower end of the box body (1) is provided with an escape opening, and the crank (10) and the slip ring (12) are placed in the area of ​​the escape opening.

8. A cooling device for PE pipe processing according to claim 1, characterized in that: A cooling liquid pool (20) is provided in the box body (1) below the spray head (5).

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