Cooling equipment for plastic production

Abstract

This utility model relates to the field of plastic production technology and discloses a cooling device for plastic production, including a tank with the opening facing upwards and two first placement frames. A second placement frame is provided on the lower side of the support frame, and a second guide roller is installed inside the second placement frame. This utility model allows the outer shell to move horizontally synchronously along the connecting plate guide rail via a slider when the support frame is pulled outwards. The bottom surface of the fixing component slides on the surface of the connecting plate. When the triangular block of the fixing component moves to the through hole position, the spring of the pushing component releases elastic potential energy, driving the fixing component to vertically insert into the through hole to complete the initial positioning. When fine adjustment is needed, the support frame is continued to be pushed, and the arc-shaped surface of the through hole and the inclined surface of the triangular block create a wedge-shaped effect, decomposing the horizontal thrust into a vertical component force. This overcomes the pre-tightening force of the pushing component, causing the fixing component to rise and disengage from the hole until it slides to the target through hole. The spring then presses it down again to lock it, forming a rigid mechanical positioning. The push-pull operation replaces the repeated tightening of bolts, improving the efficiency of position adjustment.

Description

Technical Field

[0001] This utility model relates to the field of plastic production technology, specifically to a cooling device for plastic production. Background Technology

[0002] Plastic production refers to the process of manufacturing various plastic products by processing plastic raw materials (such as granules, powders or liquid resins). Plastic production usually includes three major stages: raw material preparation, molding and processing, and post-processing. Cooling equipment is required during the plastic processing.

[0003] The utility model patent application document with announcement number CN219667208U discloses a cooling device for processing plastic strips, which mainly consists of a tank and guide rollers. This technical solution solves the problem of low production efficiency of plastic strips caused by the cooling and temperature reduction methods in the prior art.

[0004] The cooling device for processing plastic strips disclosed in the aforementioned document has the following defects: When adjusting the position of the guide roller, the operator must first loosen the adjusting bolt at the upper end of the fixing component in the opposite direction, causing its end to disengage from the upper surface of the ring to release the locking mechanism. Then, the fixing component is manually pushed along the ring to the target position, and finally the bolt is tightened again so that its end presses against the ring to relock. This process requires repeated tightening of the bolt, which is cumbersome and time-consuming for each adjustment. It is inefficient under the frequent adjustment requirements of the production line. More seriously, the bolt and the threaded hole of the fixing component will accumulate wear during long-term tightening, resulting in an increase in the clearance of the threaded pair, which weakens the locking force or even causes complete failure. Utility Model Content

[0005] The purpose of this invention is to provide a cooling device for plastic production, which solves the problem that the guide rollers of existing cooling devices are not easy to adjust.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a cooling device for plastic production, comprising a tank with its opening facing upwards and two first placement frames. The two first placement frames are arranged along the conveying direction of the rubber strip on the opening of the tank. Each of the two first placement frames is equipped with a first guide roller. Two sets of position adjustment structures are installed on the outer side of the tank. The position adjustment structures include connecting plates installed on both sides of the tank. Each of the two connecting plates is provided with a shell. Pushing components are installed inside and outside the shells. A fixing member is installed on the lower side of one of the pushing components. Several horizontally distributed through holes are opened on the outer surface of the connecting plates. One end of the fixing member is fitted into any of the through holes. A support frame is installed between the two shells. A second placement frame is provided on the lower side of the support frame. A second guide roller is installed in the second placement frame.

[0008] Furthermore, a one-way screw is installed on the support frame, the lower end of the one-way screw passes through the support frame and is installed on the upper side of the second placement frame, and a handle is installed on the upper end of the one-way screw.

[0009] Furthermore, the outer casing includes a housing, a cover is installed on the outer side of the housing, movable plates are provided on both sides of the housing, a side plate is installed on one side of the two movable plates, and a rod is installed on the other side of the two movable plates.

[0010] Furthermore, the fastener includes a rectangular block with an upward-facing slot, each rectangular block having a triangular block at its lower end, and a limiting groove formed on one side of the rectangular block.

[0011] Furthermore, the pushing assembly includes two mounting blocks, with a spring installed between the two mounting blocks, and a protrusion provided at one end of each mounting block.

[0012] Furthermore, two guide rails are installed on the outer side of the connecting plate, and a baffle and an inclined block are installed between the two guide rails. Two sliders are installed on both sides of the housing, and the two sliders are slidably connected to the outer side of the corresponding guide rail.

[0013] This utility model has the following beneficial effects:

[0014] (1) By pulling the support frame outward, the outer shell moves horizontally along the connecting plate guide rail via the slider. The bottom surface of the fixing part slides on the surface of the connecting plate. When the triangular block of the fixing part moves to the through hole position, the spring of the push assembly releases elastic potential energy, driving the fixing part to vertically insert into the through hole to complete the initial positioning. When fine adjustment is required, the support frame is pushed further. The arc surface of the through hole and the inclined surface of the triangular block produce a wedge effect, decomposing the horizontal thrust into a vertical component force, overcoming the pre-tightening force of the push assembly to lift the fixing part out of the hole, until it slides to the target through hole. The spring presses it down again to lock it, forming a rigid mechanical positioning. The push-pull operation replaces the repeated tightening of the bolt, improving the efficiency of position adjustment. At the same time, the engagement and locking of the through hole and the triangular block eliminates the risk of thread wear, avoiding the structural movement problem caused by the wear of traditional bolts.

[0015] (2) By rotating the handle, the present invention drives the one-way screw to move downward along the threaded hole of the support frame and pushes the second placement frame and the second guide roller to move vertically downward through the lower bearing, thereby achieving the effect of precisely increasing the immersion depth of the plastic strip.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a partial structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the position adjustment structure of this utility model;

[0021] Figure 4 This is a cross-sectional view of the position adjustment structure of this utility model;

[0022] Figure 5 This is an exploded view of the position adjustment structure of this utility model;

[0023] Figure 6 This is a schematic diagram of the jacking component structure of this utility model;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the diagram: 1. Tank; 2. First placement frame; 3. First guide roller; 4. Position adjustment structure; 401. Connecting plate; 4011. Through hole; 402. Outer shell; 4021. Housing; 4022. Cover; 403. Pushing assembly; 4031. Mounting block; 4032. Spring; 4033. Protrusion; 404. Fixing component; 4041. Rectangular block; 4042. Triangular block; 4043. Limiting groove; 405. Moving plate; 406. Side plate; 407. Rod; 408. Guide rail; 409. Baffle; 4010. Inclined block; 4012. Slider; 5. Support frame; 6. Second placement frame; 7. Second guide roller; 8. One-way screw; 9. Handle. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-6As shown, this utility model is a cooling device for plastic production, including a tank 1 with the groove opening facing upward and two first placement racks 2. The two first placement racks 2 are arranged on the groove opening of the tank 1 along the conveying direction of the rubber strip. A first guide roller 3 is installed in each of the two first placement racks 2. Two sets of position adjustment structures 4 are installed on the outside of the tank 1.

[0028] The position adjustment structure 4 includes connecting plates 401 installed on both sides of the tank 1. Both connecting plates 401 are provided with outer shells 402. Pushing components 403 are installed inside and outside the outer shells 402. A fixing member 404 is installed on the lower side of one of the pushing components 403. Several transversely distributed through holes 4011 are opened on the outer surface of the connecting plates 401. One end of the fixing member 404 is fitted into the interior of any through hole 4011. A support frame 5 is installed between the two outer shells 402. A second placement frame 6 is provided on the lower side of the support frame 5. A second guide roller 7 is installed inside the second placement frame 6.

[0029] The outer shell 402 is installed with the support frame 5 by bolts. Several axially distributed guide wheels are rotatably connected to the periphery of the first guide roller 3 and the second guide roller 7. An arc-shaped surface is opened at one end of the through hole 4011. The guide wheels are used to guide the plastic strip.

[0030] When cooling the plastic strip, after the plastic strip is drawn out from the manufacturing equipment, it is first embedded above the guide wheel of the first guide roller 3 on the inlet side of the tank 1. Under the constraint of the roller, it is immersed in the coolant at a set angle. Then it is pressed against the lower end of the guide wheel of the second guide roller 7 with adjustable depth. Finally, it is lifted off the liquid surface by the upper end of the guide wheel of the first guide roller 3 on the outlet side. The surface droplets are dried in the air section, and finally it is wound up by the traction equipment.

[0031] like Figure 1 As shown, an implementation method for changing the immersion depth of the plastic strip in the coolant is as follows:

[0032] A one-way screw 8 is installed on the support frame 5. The lower end of the one-way screw 8 passes through the support frame 5 and is installed on the upper side of the second placement frame 6. A handle 9 is installed on the upper end of the one-way screw 8.

[0033] Among them, the upper surface of the support frame 5 is provided with a threaded hole, and the one-way screw 8 is threadedly connected inside it. The upper surface of the second placement frame 6 is equipped with a bearing, and the lower end of the one-way screw 8 is fitted into the shaft of the bearing.

[0034] By rotating the handle 9, the one-way screw 8 is driven to move downward along the threaded hole of the support frame 5 and pushes the second placement frame 6 and the second guide roller 7 to move vertically downward through the lower bearing, thereby changing the immersion depth of the plastic strip.

[0035] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the implementation method for adjusting the position of the support frame 5 is as follows:

[0036] The outer casing 402 includes a casing 4021, a cover 4022 is installed on the outside of the casing 4021, and movable plates 405 are provided on both sides of the casing 4021. A side plate 406 is installed on one side of the two movable plates 405, and a rod 407 is installed on the other side of the two movable plates 405.

[0037] The housing 4021 and the cover 4022 are installed by bolts, the movable plate 405 is located between the housing 4021 and the cover 4022, and another push assembly 403 is installed between the housing 4021 and the side plate 406. The upper surface of the housing 4021 has two openings.

[0038] The fastener 404 includes a rectangular block 4041 with the slot facing upward. Each of the rectangular blocks 4041 has a triangular block 4042 at its lower end. A limiting groove 4043 is provided on one side of the rectangular block 4041.

[0039] The upper end of the rectangular block 4041 is slidably connected to the inside of the through opening, the triangular block 4042 is fitted and installed inside any through hole 4011, and the limiting groove 4043 is used to limit the rod 407.

[0040] The push assembly 403 includes two mounting blocks 4031, a spring 4032 is installed between the two mounting blocks 4031, and a protrusion 4033 is provided at one end of each of the two mounting blocks 4031.

[0041] In one set of push-pull assemblies 403, one mounting block 4031 is bolted to the lower surface of the cover 4022, and the other mounting block 4031 is bolted to the inside of the groove of the rectangular block 4041. In another set of push-pull assemblies 403, one mounting block 4031 is bolted to the outer surface of the housing 4021, and the other mounting block 4031 is bolted to the outer surface of the side plate 406. The two protrusions 4033 in the two sets of push-pull assemblies 403 are symmetrically arranged. When the spring 4032 is compressed, the end faces of the two protrusions 4033 contact first to avoid the spring 4032 being over-compressed.

[0042] Two guide rails 408 are installed on the outer side of the connecting plate 401. A baffle 409 and a wedge block 4010 are installed between the two guide rails 408. Two sliders 4012 are installed on both sides of the housing 4021. Both sliders 4012 are slidably connected to the outer side of the corresponding guide rail 408.

[0043] Both sliders 4012 are bolted to the outside of the housing 4021. When the operator pushes the support frame 5, the housing 402 is embedded in the groove of the guide rail 408 through the rigidly connected sliders 4012, which forcibly transforms the complex motion that may have deviated into a single horizontal linear movement. The inclined surface of the inclined block 4010 and the triangular block 4042 produce a wedge-shaped effect, which transforms the horizontal thrust into a vertical lifting force, forcing the rectangular block 4041 to move upward and compress one of the push-up components 403. After the side plate 406 contacts the baffle 409, the baffle 409 is used to compress the other push-up component 403 with a reaction force, so that the moving plate 405 is displaced between the housing 4021 and the cover 4022.

[0044] By pulling the support frame 5 outward, the outer shell 402 moves horizontally synchronously along the guide rail 408 of the connecting plate 401 via the slider 4012. The bottom surface of the fixing part 404 slides on the surface of the connecting plate 401. When the triangular block 4042 of the fixing part 404 moves to the position of the through hole 4011, the spring 4032 of the push assembly 403 releases elastic potential energy, driving the fixing part 404 to vertically insert into the through hole 4011 to complete the initial positioning. When fine adjustment is required, the support frame 5 is pushed further. The arc surface of the through hole 4011 and the inclined surface of the triangular block 4042 produce a wedge-shaped effect, decomposing the horizontal thrust into a vertical component force, overcoming the pre-tightening force of the push assembly 403, causing the fixing part 404 to be lifted out of the hole, until it slides to the target through hole 4011, at which point the spring 4032 presses it down again to lock it, forming a rigid mechanical positioning.

[0045] When the support frame 5 needs to be moved inward, continue to push the support frame 5 outward, causing the outer shell 402 to slide along the guide rail 408 until the triangular block 4042 of the fixing member 404 contacts the inclined block 4010 on the connecting plate 401. The inclined surface of the inclined block 4010 and the triangular block 4042 create a wedge-shaped effect, converting the horizontal thrust into a vertical component force, forcing the rectangular block 4041 to move upward and compress the spring 4032 of the upper push assembly 403. At the same time, the limiting groove 4043 on the side wall of the fixing member 404 moves to align with the axis of the rod 407. At this time, the spring 4032 of the lateral push assembly 403 releases its stored energy, pushing the moving plate 405 and the side plate 406 outward, so that the rod 407 is accurately embedded in the limiting groove 4043 to form a mechanical interlock. After unlocking, the support frame 5 can be moved freely inward to the target position. When resetting, push the support frame 5 towards the baffle 409. When the side plate 406 contacts the baffle 409, apply continuous force to make the baffle 409 press against the side plate 406. This reaction force compresses the spring 4032 of the lateral push assembly 403, drives the moving plate 405 to retract inward, and drives the rod 407 to disengage from the limiting groove 4043 to release the lock. At the same time, the upper spring 4032 pushes the rectangular block 4041 down, and the triangular block 4042 at its bottom re-attaches to the surface of the connecting plate 401, and the position adjustment structure 4 returns to the free sliding state.

[0046] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cooling device for plastic production, comprising a tank (1) with its opening facing upwards and two first placement frames (2), the two first placement frames (2) being arranged along the direction of rubber strip transmission on the opening of the tank (1), and each of the two first placement frames (2) being equipped with a first guide roller (3), characterized in that: Two sets of position adjustment structures (4) are installed on the outside of the tank (1); The position adjustment structure (4) includes connecting plates (401) installed on both sides of the tank (1). The outer sides of the two connecting plates (401) are provided with shells (402). Pushing components (403) are installed inside and outside the shells (402). A fixing member (404) is installed on the lower side of one of the pushing components (403). The outer surface of the connecting plate (401) is provided with several horizontally distributed through holes (4011). One end of the fixing member (404) is fitted into the interior of any through hole (4011).

2. The cooling equipment for plastic production according to claim 1, characterized in that: A support frame (5) is installed between the two outer shells (402), and a second placement frame (6) is provided on the lower side of the support frame (5). A second guide roller (7) is installed inside the second placement frame (6).

3. The cooling device for plastic production according to claim 2, characterized in that: A one-way screw (8) is installed on the support frame (5). The lower end of the one-way screw (8) passes through the support frame (5) and is installed on the upper side of the second placement frame (6). A handle (9) is installed on the upper end of the one-way screw (8).

4. The cooling device for plastic production according to claim 1, characterized in that: The outer casing (402) includes a housing (4021), a cover (4022) is installed on the outside of the housing (4021), and movable plates (405) are provided on both sides of the housing (4021). A side plate (406) is installed on one side of the two movable plates (405), and a rod (407) is installed on the other side of the two movable plates (405).

5. The cooling device for plastic production according to claim 4, characterized in that: Two guide rails (408) are installed on the outer side of the connecting plate (401), and a baffle (409) and a wedge (4010) are installed between the two guide rails (408). Two sliders (4012) are installed on both sides of the housing (4021), and the two sliders (4012) are slidably connected to the outer side of the corresponding guide rail (408).

6. The cooling device for plastic production according to claim 1, characterized in that: The fastener (404) includes a rectangular block (4041) with the slot facing upward. Each of the rectangular blocks (4041) has a triangular block (4042) at its lower end. A limiting groove (4043) is provided on one side of the rectangular block (4041).

7. The cooling device for plastic production according to claim 1, characterized in that: The push assembly (403) includes two mounting blocks (4031), a spring (4032) is installed between the two mounting blocks (4031), and a protrusion (4033) is provided at one end of each of the two mounting blocks (4031).

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