Cooling frame for injection molding of plastic products

Abstract

The utility model relates to a cooling frame for plastic product injection molding, which comprises a support frame, a ventilation device and an adjusting device are arranged on the support frame, the ventilation device comprises two air outlet side plates and a connecting channel, the two air outlet side plates are respectively and fixedly arranged on two sides of the support frame, the connecting channel is sleeved outside the support frame, and the adjusting device is arranged on the support frame. The ventilation device is arranged on the air outlet side plates and communicated with the two air outlet side plates, an air inlet pipeline is arranged on a connecting channel, an air blower is arranged on the air inlet pipeline, first air outlet holes are formed in the air outlet side plates, and the adjusting device comprises a mounting frame, a supporting plate and a first T-shaped block. And the air is blown to the injection molding part on the supporting plate through the first air outlet, the through hole, the air inlet hole and the second air outlet hole, so that the injection molding part is cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding cooling, in particular to a cooling rack for plastic product injection molding. Background Art

[0002] After plastic products are injection molded, they need to be placed on a cooling rack for cooling to quickly cool and form, facilitating subsequent production, transportation, etc. The existing patent with the patent number CN201822009789.3 discloses an injection molded part cooling rack. In this patent, a number of cooling plates are provided, and the cooling plates are communicated with the support shafts. Cold air is blown into the support shafts by a blower and blown out from the air holes on the cooling plates to cool the injection molded parts on the cooling plates. However, the interval between the cooling plates is not easy to adjust according to actual needs, and the versatility is poor; in addition, when the number of injection molded parts is small, at this time, only need to place the injection molded parts on several of the cooling plates for cooling, but the cold air can still be blown out through the air holes on the remaining cooling plates, and the air resistance at the air holes of the cooling plates without injection molded parts is low, which will cause a large amount of cold air to be discharged through the cooling plates without injection molded parts, resulting in low cooling efficiency of the injection molded parts and energy waste. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the problems existing in the prior art, the utility model provides a cooling rack for plastic product injection molding to solve the technical problems mentioned in the background art.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solution: a cooling rack for plastic product injection molding, including a support frame, on which a ventilation device and an adjustment device are provided. The ventilation device includes air outlet side plates and a connection channel. There are two air outlet side plates, which are respectively fixedly arranged on both sides of the support frame. The connection channel is sleeved outside the support frame and communicated with the two air outlet side plates. An air inlet pipe is provided on the connection channel, and a blower is provided on the air inlet pipe. First air outlet holes are provided on the air outlet side plates. The adjustment device includes mounting frames, a support plate and first T-shaped blocks. There are a number of mounting frames, which are arranged on the two air outlet side plates from top to bottom in sequence. Second T-shaped blocks are provided at both ends of the support plate, and T-shaped grooves for cooperating with the first T-shaped blocks and the second T-shaped blocks are provided on the mounting frames.

[0007] Preferably, through holes for cooperating with the first air outlet holes are provided on the mounting frames, air inlet holes are provided on the second T-shaped blocks, and second air outlet holes are provided on the support plate. The first air outlet holes, the through holes, the air inlet holes and the second air outlet holes are communicated, facilitating cold air to pass through the first air outlet holes, the through holes, the air inlet holes and the second air outlet holes and cool the injection molded parts on the support plate.

[0008] Preferably further, a flap mechanism is provided inside the support plate. The flap mechanism includes a rotating shaft, a rotating plate, and a knob. Both ends of the rotating shaft are rotatably connected to the support plate. The rotating plate is arranged inside the support plate and is fixedly sleeved outside the rotating shaft. The knob is arranged outside the support plate and is connected to the rotating shaft. When the number of injection molded parts is small, they can be placed on several of the support plates, and the flap mechanisms on the remaining support plates can be rotated and closed to prevent cold air from exhausting, improving the cooling efficiency, without the need to disassemble the support plate and replace it with the first T-shaped block.

[0009] Preferably further, a first limiting plate is provided at the inner top of the support plate, and a second limiting plate is provided at the inner bottom of the support plate. The first limiting plate and the second limiting plate are respectively attached to both sides of the rotating plate, facilitating attachment to the rotating plate and sealing the rotating plate to prevent air from passing through.

[0010] Preferably further, a plurality of the support plates and the first T-shaped blocks are provided. The second T-shaped blocks on both sides of the plurality of support plates respectively cooperate with several of the mounting brackets, and the plurality of first T-shaped blocks respectively cooperate with the remaining several mounting brackets, facilitating the spaced placement of the support plates and facilitating the placement of the injection molded parts.

[0011] Preferably further, a pulling plate is provided on the first T-shaped block, facilitating pulling the first T-shaped block to move outward.

[0012] Preferably further, sealing gaskets are provided on one side of the first T-shaped block and the second T-shaped block close to the mounting bracket, facilitating sealing between the first T-shaped block and the mounting bracket and between the second T-shaped block and the mounting bracket.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides a cooling rack for plastic product injection molding, having the following beneficial effects:

[0015] 1. A ventilation device is provided in the present utility model. Cold air is connected through a blower and sent into the air outlet side plate, and is blown out to the injection molded parts on the support plate through the first air outlet, through holes, air inlet holes, and second air outlet holes to cool the injection molded parts;

[0016] 2. A multi-layer mounting bracket is provided in the present utility model to support the support plate, and the support plate and the mounting bracket are slidably matched, facilitating adjustment of the height of the support plate, and further adjusting the distance between adjacent two groups of support plates to make it applicable to injection molded parts of different sizes, improving its versatility;

[0017] 3. In the utility model, a flap mechanism is arranged inside the support plate. When the number of injection molded parts is small, they can be placed on several of the support plates, and the flap mechanisms on the remaining support plates can be rotated and closed to prevent cold air from being discharged, thereby improving the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of a cooling rack for plastic product injection molding in the utility model;

[0019] Figure 2 is a schematic diagram of the overall structure of the utility model from another angle;

[0020] Figure 3 is a schematic diagram of the state where the support frame and the mounting frame in the utility model are not connected;

[0021] Figure 4 is a schematic diagram of the structure of the support plate in the utility model;

[0022] Figure 5 is a schematic diagram of the structure of the flap mechanism, the first limit plate and the second limit plate in the utility model.

[0023] In the figure: 1. Support frame; 2. Air outlet side plate; 3. Connection channel; 4. Air inlet pipe; 5. Blower; 6. First air outlet hole; 7. Mounting frame; 8. Support plate; 9. First T-shaped block; 10. Second T-shaped block; 11. T-shaped groove; 12. Through hole; 13. Air inlet hole; 14. Second air outlet hole; 15. Rotating shaft; 16. Rotating plate; 17. Knob; 18. First limit plate; 19. Second limit plate; 20. Pulling plate; 21. Sealing gasket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1:

[0026] Please refer to Figures 1-5, A cooling rack for plastic product injection molding, comprising a support frame 1, on which a ventilation device and an adjustment device are provided. The ventilation device includes air outlet side plates 2 and a connection channel 3. There are two air outlet side plates 2, which are respectively fixedly arranged on both sides of the support frame 1. The connection channel 3 is sleeved outside the support frame 1 and communicates with the two air outlet side plates 2. An air inlet pipe 4 is provided on the connection channel 3, and a blower 5 is provided on the air inlet pipe 4. First air outlet holes 6 are provided on the air outlet side plates 2. The adjustment device includes mounting frames 7, support plates 8 and first T-shaped blocks 9. There are several mounting frames 7, which are arranged on the two air outlet side plates 2 from top to bottom in sequence. Second T-shaped blocks 10 are provided at both ends of the support plate 8, and T-shaped grooves 11 that cooperate with the first T-shaped blocks 9 and the second T-shaped blocks 10 are provided on the mounting frames 7.

[0027] Please refer to Figures 1-5 , Through holes 12 that cooperate with the first air outlet holes 6 are provided on the mounting frames 7. Air inlet holes 13 are provided on the second T-shaped blocks 10. Second air outlet holes 14 are provided on the support plates 8. The first air outlet holes 6, the through holes 12, the air inlet holes 13 and the second air outlet holes 14 communicate. There are several support plates 8 and first T-shaped blocks 9. The second T-shaped blocks 10 on both sides of the several support plates 8 cooperate with several of the mounting frames 7 respectively, and the several first T-shaped blocks 9 cooperate with the remaining several mounting frames 7 respectively. A pull plate 20 is provided on the first T-shaped block 9. Sealing gaskets 21 are provided on one side of the first T-shaped block 9 and the second T-shaped block 10 close to the mounting frame 7. During use, the mounting frames 7 are arranged on both sides of the support frame from top to bottom in sequence. According to the height of the injection molded part, several support plates 8 are matched with the corresponding mounting frames 7. The second T-shaped blocks 10 are inserted into the T-shaped grooves 11 on the mounting frames 7, and then the first T-shaped blocks 9 are matched with the remaining mounting frames 7 and inserted into the T-shaped grooves 11 on the mounting frames 7. The through holes 12 on the spare mounting frames 7 are blocked by the first T-shaped blocks 9. The blower 5 is connected to an external cold air device. The blower 5 is turned on, and cold air is sucked into the air inlet pipe 4, passes through the connection channel 3 and is discharged from the first air outlet holes 6 on the air outlet side plates 2, passes through the through holes 12 on the mounting frames 7 and the air inlet holes 13 on the second T-shaped blocks 10 and enters the inside of the support plates 8, and is blown out through the second air outlet holes 14 on the support plates 8 to blow and cool the injection molded parts on the support plates 8.

[0028] Please refer to Figures 1-5, a flap mechanism is provided inside the support plate 8. The flap mechanism includes a rotating shaft 15, a rotating plate 16, and a knob 17. Both ends of the rotating shaft 15 are rotatably connected to the support plate 8. The rotating plate 16 is disposed inside the support plate 8 and is fixedly sleeved outside the rotating shaft 15. The knob 17 is disposed outside the support plate 8 and is connected to the rotating shaft 15. A first limiting plate 18 is provided at the inner top of the support plate 8, and a second limiting plate 19 is provided at the inner bottom of the support plate 8. The first limiting plate 18 and the second limiting plate 19 are respectively in contact with both sides of the rotating plate 16. When the number of injection molded parts is small, there is no need to disassemble the redundant support plates 8 and replace them with the first T-shaped blocks 9. Place the injection molded parts on several of the support plates 8, and rotate the knobs 17 on the other support plates 8 to drive the rotating shaft 15 and the rotating plate 16 to rotate until the rotating plate 16 is in contact with the first limiting plate 18 and the second limiting plate 19, closing the inside of the support plate 8 to prevent cold air from being discharged from the second air outlet holes 14 on this support plate 8.

[0029] Embodiment 2:

[0030] In summary, when in use, the mounting frames 7 are sequentially arranged on both sides of the support frame from top to bottom. According to the height of the injection molded parts, several support plates 8 are matched with the corresponding mounting frames 7. Insert the second T-shaped blocks 10 into the T-shaped grooves 11 on the mounting frames 7, and then match the first T-shaped blocks 9 with the remaining mounting frames 7 and insert them into the T-shaped grooves 11 on the mounting frames 7. Block the through holes 12 on the spare mounting frames 7 through the first T-shaped blocks 9. Connect the blower 5 to an external cold air device. Place the injection molded parts on the support plates 8, turn on the blower 5, suck the cold air into the air inlet duct 4, and discharge it from the first air outlet holes 6 on the air outlet side plate 2 through the connection channel 3. Pass through the through holes 12 on the mounting frames 7 and the air inlet holes 13 on the second T-shaped blocks 10 and enter the inside of the support plates 8, and blow out through the second air outlet holes 14 on the support plates 8 to blow and cool the injection molded parts on the support plates 8.

[0031] Embodiment 3:

[0032] In summary, when in use, when the number of injection molded parts is small, there is no need to disassemble the redundant support plates 8 and replace them with the first T-shaped blocks 9. Place the injection molded parts on several of the support plates 8, and rotate the knobs 17 on the other support plates 8 to drive the rotating shaft 15 and the rotating plate 16 to rotate until the rotating plate 16 is in contact with the first limiting plate 18 and the second limiting plate 19, closing the inside of the support plate 8 to prevent cold air from being discharged from the second air outlet holes 14 on this support plate 8.

[0033] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling rack for plastic product injection molding, comprising a support frame (1), characterized in that: The support frame (1) is provided with a ventilation device and an adjustment device, the ventilation device comprises an air outlet side plate (2) and a connecting channel (3), two air outlet side plates (2) are provided and are respectively fixedly arranged on both sides of the support frame (1), the connecting channel (3) is sleeved outside the support frame (1) and is connected to the two air outlet side plates (2), the connecting channel (3) is provided with an air inlet duct (4), the air inlet duct (4) is provided with a blower (5), the air outlet side plate (2) is provided with a first air outlet hole (6), the adjustment device comprises a mounting frame (7), a support plate (8) and a first T-shaped block (9), the mounting frame ( 7) are provided with a plurality of them, and are arranged in sequence from top to bottom on the two air outlet side plates (2), both ends of the support plate (8) are provided with a second T-shaped block (10), and the mounting frame (7) is provided with a T-shaped slot (11) that matches the first T-shaped block (9) and the second T-shaped block (10); the mounting frame (7) is provided with a through hole (12) that matches the first air outlet hole (6), the second T-shaped block (10) is provided with an air inlet hole (13), and the support plate (8) is provided with a second air outlet hole (14); the first air outlet hole (6), the through hole (12), the air inlet hole (13) and the second air outlet hole (14) are connected.

2. A cooling rack for plastic product injection molding according to claim 1, characterized in that: A flap mechanism is provided inside the support plate (8), and the flap mechanism comprises a rotating shaft (15), a rotating plate (16) and a knob (17); both ends of the rotating shaft (15) are rotatably connected to the support plate (8); the rotating plate (16) is arranged inside the support plate (8), and the rotating plate (16) is fixedly sleeved outside the rotating shaft (15); the knob (17) is arranged outside the support plate (8), and the knob (17) is connected to the rotating shaft (15).

3. A cooling rack for plastic product injection molding according to claim 2, characterized in that: A first limiting plate (18) is provided at the top of the support plate (8), and a second limiting plate (19) is provided at the bottom of the support plate (8). The first limiting plate (18) and the second limiting plate (19) are respectively fitted to two sides of the rotating plate (16).

4. A cooling rack for plastic product injection molding according to claim 1, characterized in that: The support plate (8) and the first T-shaped blocks (9) are both provided in plurality, and the second T-shaped blocks (10) on both sides of the plurality of support plates (8) are respectively matched with a plurality of the mounting frames (7), and the plurality of the first T-shaped blocks (9) are respectively matched with the remaining plurality of the mounting frames (7).

5. A cooling rack for plastic product injection molding according to claim 4, characterized in that: A pull plate (20) is provided on the first T-shaped block (9).

6. A cooling rack for plastic product injection molding according to claim 4, characterized in that: A sealing gasket (21) is provided on one side of the first T-block (9) and the second T-block (10) close to the mounting frame (7).

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