CN215243014U

CN215243014U - Online high-efficient crystallization device of polylactic acid goods

Info

Publication number: CN215243014U
Application number: CN202121765281.1U
Authority: CN
Inventors: 覃海钊; 黄文集; 张涛; 许毅; 焦青伟
Original assignee: Fujian Guanzhong Technology Co ltd
Current assignee: Fujian Guanzhong Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-21
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses an online high-efficient crystallization device of polylactic acid goods belongs to polylactic acid processing technology field. The crystallizer body middle part is provided with the conveyer belt, a section of thick bamboo that keeps warm has been cup jointed in the conveyer belt upper portion outside, the conveyer belt outside is provided with centre gripping heat-conducting component, the cross plate mid-mounting has connecting screw, the conveyer belt is connected to the connecting screw bottom, the equal welded connection sideboard of cross plate end plate, the recovery groove has been seted up at sideboard side middle part. The utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization is provided with heat-conducting component, stimulates the homothermal piece, through the answer effect of spring, carries on spacingly with the mould centre gripping between four homothermal pieces, and the security is better, and the heat conduction silica gel pad extrusion die outside, the heat conduction groove enlarges hot-air area of contact, makes the heat conduct to mould department more rapidly, and the mould heaies up with higher speed to crystallization improves crystallization efficiency with higher speed.

Description

Online high-efficient crystallization device of polylactic acid goods

Technical Field

The utility model belongs to the technical field of polylactic acid goods processing, specifically be an online high-efficient crystallization device of polylactic acid goods.

Background

Polylactic acid is an environment-friendly material which can be completely biodegraded, and is rapidly popularized and applied in the field of medical and daily consumer goods due to excellent biodegradability and biocompatibility, the addition of the nucleating agent into the polylactic acid can improve the crystallinity and the crystallization speed of the polylactic acid, improve the regularity of the molecular chain form of the polylactic acid, realize the high temperature resistance of the polylactic acid product, and further expand the application range of the polylactic acid product.

The invention patent with the application number of 201911094902.5 discloses a device and a method for crystallizing polylactic acid products outside a mold, which can realize the continuous and rapid annealing crystallization of polylactic acid cold mold injection molding products by realizing the uniform control of the space temperature in a circular moisture-preserving cover through high-temperature gas and a spiral ventilation pipe, the temperature is uniform and stable in the crystallization process, the product buckling deformation can be effectively prevented, but the mold is directly placed on the top surface of a conveying belt, the mold is easy to fall off, the contact area between the outer side of the mold and air is small, the heat conduction effect is poor, the crystallization time is prolonged, and the crystallization efficiency is reduced.

Therefore, an online efficient crystallization device for polylactic acid products is very important.

SUMMERY OF THE UTILITY MODEL

The utility model provides an online high-efficient crystallization device of polylactic acid goods can effectively solve the technical problem who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a crystallization device body, wherein a conveying belt is arranged in the middle of the crystallization device body, a heat-insulating cylinder is sleeved on the outer side of the upper part of the conveying belt, a clamping heat-conducting assembly is arranged on the outer side of the conveying belt, and the clamping heat-conducting assembly comprises a cross plate, a connecting screw, a side plate, a return groove, a guide rod, a limiting sheet, a reset spring, a soaking block, a clamping groove, a heat-conducting groove, a bonding groove and a heat-conducting silica gel gasket;

the cross plate is provided with a connecting screw at the middle part, the bottom end of the connecting screw is connected with a conveying belt, the cross plate end plate is welded with a side plate, a recovery groove is formed in the middle of the side surface of the side plate, a guide rod is mounted inside the recovery groove in a penetrating mode, a limiting piece is welded at one end of the recovery groove, a reset spring is sleeved at the position of the guide rod inside the recovery groove, the guide rod is located at one end of the outer side of the recovery groove in a welding mode and is connected with a soaking block, the bottom end of the soaking block corresponds to the side plate and is provided with a clamping groove, a heat conducting groove is formed in the side surface of the soaking block, the soaking block is close to one side of the cross plate and is provided with a bonding groove, and a heat conducting silica gel gasket is bonded inside the bonding groove.

Preferably, the cross plate is cross-shaped, and the distances between each end of the cross plate and the connecting screw are equal.

Preferably, the clamping groove is matched with the side plate, and the length of the guide rod is equal to the depth of the clamping groove.

Preferably, the bonding groove is matched with the side surface of the heat-conducting silica gel gasket, and the side surface of the heat-conducting silica gel gasket, which is close to the bonding groove, is uniformly provided with a variable groove.

Preferably, the end part of the conveying belt is provided with a supporting assembly, and the supporting assembly comprises a supporting frame, a bottom frame, an adjusting screw rod, a supporting rod, a mounting groove, universal wheels and an anti-skid ring;

two the support frame is installed respectively in the conveyer belt both ends, the inside bottom position department welding of support frame has the underframe, underframe top surface both ends are rotated and are run through and install adjusting screw, adjusting screw is in underframe internal position department and installs the bracing piece through the screw thread, the mounting groove has all been seted up at the bracing piece both ends, mounting groove internally mounted has the universal wheel, underframe bottom edge bonds and has the antiskid circle.

Preferably, the two ends of the support rod and the inner wall of the support frame are smooth planes, and the two ends of the support frame are respectively attached to the inner walls of the two ends of the support frame.

Preferably, the position of the adjusting screw corresponding to the support frame is a smooth curved surface, and the position of the support rod corresponding to the adjusting screw is provided with a threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has scientific and reasonable structure and safe and convenient use;

1. be provided with heat conduction assembly, the pulling is the homothermal piece, through the answer effect of spring, with the mould centre gripping between four homothermal pieces, carry on spacingly, can prevent effectively that the mould from shifting in transportation process and dropping, the security is better, and the heat conduction silica gel gasket extrusion mould outside, the heat conduction groove enlarges hot-air area of contact, makes the heat conduct to mould department more rapidly, and the mould intensifies with higher speed to crystallization with higher speed improves crystallization efficiency.

2. Be provided with supporting component, in the use, the accessible rotates adjusting screw, and the universal wheel supports ground mobile device, and four spinal branch vaulting poles are adjustable for not co-altitude, are guaranteeing under the antiskid circle ground connection situation, adapt to the ground of unevenness for the device is put more steadily.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the heat transfer assembly of the present invention;

fig. 3 is a schematic view of the installation structure of the heat-conducting silica gel gasket of the present invention;

fig. 4 is a schematic structural view of the bottom frame of the present invention;

reference numbers in the figures: 1. a crystallization apparatus body; 2. a conveyor belt; 3. a heat-preserving cylinder;

4. a heat conducting component; 401. a cross plate; 402. a connecting screw; 403. a side plate; 404. a recovery tank; 405. a guide bar; 406. a limiting sheet; 407. a return spring; 408. a soaking block; 409. a card slot; 410. a heat conducting groove; 411. a bonding groove; 412. a heat-conducting silica gel gasket;

5. a support assembly; 501. a support frame; 502. a bottom frame; 503. adjusting the screw rod; 504. a support bar; 505. mounting grooves; 506. a universal wheel; 507. and (4) an anti-slip ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides an online high-efficient crystallization device technical scheme of polylactic acid product, including crystallization device body 1, crystallization device body 1 middle part is provided with conveyer belt 2, 2 upper portion outsides of conveyer belt have cup jointed a heat preservation section of thick bamboo 3, 2 outsides of conveyer belt are provided with centre gripping heat-conducting component 4, centre gripping heat-conducting component 4 includes cross 401, connecting screw 402, sideboard 403, reply groove 404, guide bar 405, spacing piece 406, reset spring 407, soaking piece 408, draw-in groove 409, heat-conducting groove 410, bonding groove 411 and heat conduction silica gel gasket 412;

the middle part of a cross plate 401 is provided with a connecting screw 402, the bottom end of the connecting screw 402 is connected with a conveyer belt 2, the end plates of the cross plate 401 are all welded with side plates 403, the cross plate 401 is cross-shaped, the distances between each end of the cross plate 401 and the connecting screw 402 are equal, so that the distances between the four side plates 403 on the outer side of the cross plate 401 are equal, the middle part of the side surface of each side plate 403 is provided with a return groove 404, the inner part of each return groove 404 is uniformly and movably provided with a guide rod 405 in a penetrating manner, one end of each guide rod 405 in each return groove 404 is welded with a limiting piece 406, the inner part of each guide rod 405 in each return groove 404 is sleeved with a return spring 407, one end of each guide rod 405 on the outer side of each return groove 404 is welded with a uniform heating block 408, the bottom end of each uniform heating block 408 is provided with a clamping groove 409 corresponding to the side plate 403, the clamping groove 409 is matched with the side plate 403, the length of each guide rod 405 is equal to the depth of the clamping groove 409, so as to prevent the guide rod 405 from exceeding the clamping groove 409 to influence on the clamping of a mold, the side surface of the uniform heating block 408 is uniformly provided with a heat conducting groove 410, the soaking block 408 is close to one side of the cross plate 401 and is provided with a bonding groove 411, a heat-conducting silica gel gasket 412 is bonded inside the bonding groove 411, the bonding groove 411 is matched with the side surface of the heat-conducting silica gel gasket 412, and the side surface of the heat-conducting silica gel gasket 412, which is close to the bonding groove 411, is uniformly provided with a deformation groove, so that the heat-conducting silica gel gasket 412 is convenient to deform to better match with the outer side of the mold, and the heat conduction effect is improved.

A supporting component 5 is arranged at the end part of the conveying belt 2, and the supporting component 5 comprises a supporting frame 501, a bottom frame 502, an adjusting screw 503, a supporting rod 504, a mounting groove 505, a universal wheel 506 and an anti-skid ring 507;

two support frames 501 are respectively installed at two ends of a conveying belt 2, the bottom frame 502 is welded at the position of the inner bottom end of each support frame 501, the top surface of the bottom frame 502 is rotated at two ends and runs through the adjusting screw 503, the adjusting screw 503 is located at the position of the inner bottom end of the bottom frame 502 and is provided with the support rod 504 through threads, the adjusting screw 503 corresponds to the position of the support frame 501 and is a smooth curved surface, the support rod 504 corresponds to the adjusting screw 503 and is provided with a threaded hole, the adjusting screw 503 is convenient to rotate, the support rod 504 is driven to move downwards through threads, the two ends of the support rod 504 and the inner wall of the support frame 501 are smooth planes, the two ends of each support frame 501 are respectively attached to the inner walls of the two ends of each support frame 501, the support rod 504 is stably pushed by the adjusting screw 503, the two ends of each support rod 504 are provided with mounting grooves 505, universal wheels 506 are installed inside the mounting grooves 505, and the bottom end edge of the bottom frame 502 is adhered with anti-skid rings 507.

The utility model discloses a theory of operation and use flow: when the device needs to be carried, the adjusting screw 503 is rotated, the adjusting screw 503 pushes the support rods 504 to move downwards along the inner wall of the bottom frame 502 until the bottom ends of the universal wheels 506 exceed the bottom end of the anti-skid ring 507, so that the device can be moved, the movement is simple and convenient, and the four support rods 504 can be adjusted to different heights, so that the device is adapted to uneven ground under the condition that the anti-skid ring 507 is grounded, and the device is placed more stably;

before a mold containing polylactic acid is placed into the heat preservation cylinder 3, the soaking blocks 408 are pulled, the reset spring 407 contracts in the return groove 404, the mold is placed among the four soaking blocks 408 on the top surface of the cross plate 401, the reset of the reset spring 407 is used for pulling the soaking blocks 408 to clamp the outer side of the mold, the heat-conducting silica gel gasket 412 is contacted with and extrudes the outer side of the mold, the contact effect is improved through the deformation of the heat-conducting silica gel gasket 412, the clamping stability is kept, the mold is prevented from loosening and dropping in the conveying process, the cross plate 401 is only connected with the conveying belt 2 through the connecting screw 402, the bottom surface of the cross plate 401 is not directly connected with the conveying belt 2, and the conveying of the cross plate 401 is prevented from being blocked by the bending position of the conveying belt 2;

the homothermal block 408 is made of an aluminum alloy material, has a good heat conduction effect, improves the contact area with the hot air inside the heat-insulating cylinder 3 through the heat conduction groove 410 arranged outside the homothermal block 408, enables the heat to be conducted to the outside of the mold more rapidly, and the four homothermal blocks 408 play a role simultaneously, and are uniform in temperature rise, the temperature rise of the mold is accelerated, the crystallization is accelerated, and the crystallization efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an online high-efficient crystallization device of polylactic acid goods, includes crystallization device body (1), crystallization device body (1) middle part is provided with conveyer belt (2), a heat preservation section of thick bamboo (3), its characterized in that have been cup jointed in conveyer belt (2) upper portion outside: a clamping heat-conducting assembly (4) is arranged on the outer side of the conveying belt (2), and the clamping heat-conducting assembly (4) comprises a cross plate (401), a connecting screw (402), a side plate (403), a return groove (404), a guide rod (405), a limiting sheet (406), a reset spring (407), a soaking block (408), a clamping groove (409), a heat-conducting groove (410), a bonding groove (411) and a heat-conducting silica gel gasket (412);

the middle of the cross plate (401) is provided with a connecting screw (402), the bottom end of the connecting screw (402) is connected with the conveyer belt (2), the end plates of the cross plate (401) are all welded with the side plates (403), the middle of the side surface of each side plate (403) is provided with a recovery groove (404), the interior of each recovery groove (404) is uniformly and movably provided with a guide rod (405) in a penetrating manner, one end of each guide rod (405) positioned in each recovery groove (404) is welded with a limiting piece (406), the position of each guide rod (405) positioned in each recovery groove (404) is sleeved with a reset spring (407), one end of each guide rod (405) positioned outside each recovery groove (404) is welded with a heat equalizing block (408), the bottom end of each heat equalizing block (408) corresponding to the side plate (403) is provided with a clamping groove (409), the side surface of each heat equalizing block (408) is uniformly provided with a heat conducting groove (410), one side, close to the corresponding to the cross plate (401), is provided with a bonding groove (411), and a heat-conducting silica gel gasket (412) is bonded inside the bonding groove (411).

2. The on-line efficient crystallization device for polylactic acid products according to claim 1, wherein the cross plate (401) is cross-shaped, and each end of the cross plate (401) is equidistant from the connecting screw (402).

3. The on-line high-efficiency crystallization device for polylactic acid products, according to claim 1, characterized in that the clamping groove (409) is matched with the side plate (403), and the length of the guide rod (405) is equal to the depth of the clamping groove (409).

4. The online efficient crystallization device for polylactic acid products according to claim 1, wherein the bonding groove (411) is matched with the side surface of the heat-conducting silica gel gasket (412), and the side surface of the heat-conducting silica gel gasket (412) close to the bonding groove (411) is uniformly provided with deformation grooves.

5. The online efficient crystallization device for polylactic acid products according to claim 1, wherein a support assembly (5) is installed at the end of the conveyor belt (2), and the support assembly (5) comprises a support frame (501), a bottom frame (502), an adjusting screw (503), a support rod (504), an installation groove (505), a universal wheel (506) and an anti-slip ring (507);

two install respectively in conveyer belt (2) both ends in support frame (501), the welding of support frame (501) inside bottom position department has underframe (502), underframe (502) top surface both ends are rotated and are run through and install adjusting screw (503), adjusting screw (503) are in underframe (502) inside position department and install bracing piece (504) through the screw thread, mounting groove (505) have all been seted up at bracing piece (504) both ends, mounting groove (505) internally mounted has universal wheel (506), underframe (502) bottom edge bonds and has non-slip ring (507).

6. The online efficient crystallization device of polylactic acid product according to claim 5, wherein both ends of the support rod (504) and the inner wall of the support frame (501) are smooth planes, and both ends of the support frame (501) are respectively attached to the inner walls of both ends of the support frame (501).

7. The online efficient crystallization device of polylactic acid products according to claim 5, wherein the position of the adjusting screw (503) corresponding to the support frame (501) is a smooth curved surface, and the position of the support rod (504) corresponding to the adjusting screw (503) is provided with a threaded hole.