Uniform heating mechanism of plastic uptake forming machine

Abstract

The utility model discloses a uniform heating mechanism of a plastic uptake forming machine, which comprises a machine base, a mold forming mechanism and a fixing frame, the mold forming mechanism is fixedly mounted on the top surface of the machine base, the fixing frame is fixedly mounted on the top surface of the machine base, and the fixing frame is positioned on the left side of the mold forming mechanism; the two symmetrically-arranged mounting plates are connected with the inner side face of the fixing frame in a sliding mode; the air duct is longitudinally and fixedly arranged in a manner of penetrating through the mounting plate; and the electric heating net is fixedly mounted at one end of the inner wall surface of the air duct. The uniform heating mechanism of the plastic uptake forming machine can heat the two faces of a plastic coiled material at the same time to improve the heating uniformity, meanwhile, the distance between the uniform heating mechanism and the plastic coiled material can be adjusted, the situation that the heating uniformity of the plastic coiled material is affected by excessive heating or insufficient heating is avoided, and therefore the plastic uptake effect is guaranteed, the machining quality is improved, operation is easy, convenient and flexible, and practicability is high. The practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum forming machines, in particular to a uniform heating mechanism of a vacuum forming machine. Background Art

[0002] The blister forming machine is also called a thermoplastic forming machine. It usually heats the plastic coil and uses vacuum suction to deform the heated and softened material and match the mold to achieve the required shape and size. However, the existing blister forming machines still have certain defects, such as:

[0003] The "automatic blister machine" with application number CN202022807309.5 can only heat one side of the plastic coil when in use, and cannot heat both sides of the plastic coil at the same time, so that the two sides of the plastic coil are heated unevenly, affecting the blister molding effect. At the same time, the heat source is fixed, and the distance between the heat source and the plastic coil cannot be adjusted, so that if it is too close, it will be over-heated, and if it is too far, it will be insufficiently heated. It is difficult to ensure the uniformity of heating the plastic coil, and there are limitations in use. In view of this, a uniform heating mechanism of a blister molding machine is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a uniform heating mechanism for a blister forming machine, so as to solve the problem in the background art that the existing blister forming machine is difficult to ensure uniform heating of plastic coils, thus affecting the quality of blister forming.

[0005] To achieve the above object, the utility model provides the following technical solution: a uniform heating mechanism of a vacuum forming machine, comprising a machine base and a mold forming mechanism, wherein the mold forming mechanism is fixedly mounted on the top surface of the machine base.

[0006] A fixing frame, the fixing frame is fixedly mounted on the top surface of the machine base, and the fixing frame is located on the left side of the mold forming mechanism;

[0007] A mounting plate, wherein two symmetrically arranged mounting plates are slidably connected to the inner side surface of the fixing frame;

[0008] An air duct, the air duct being longitudinally fixed and extending through the mounting plate;

[0009] An electric heating net, the electric heating net being fixedly mounted on one end of the inner wall of the wind tube;

[0010] A driving mechanism, the driving mechanism being arranged on the inner bottom surface of the fixing frame;

[0011] A blower mechanism connected to the driving mechanism;

[0012] A movable adjustment mechanism is arranged on the fixing frame.

[0013] The adoption of the technical solution makes it easier to heat both sides of the plastic coil and improves heating uniformity.

[0014] As a preferred technical solution of the utility model, the driving mechanism includes:

[0015] A motor, the motor being fixedly mounted on the inner bottom surface of the fixing frame;

[0016] A rotating shaft, the bottom end of which is keyed to the shaft end of the motor, and the top end of which is connected to the inner top surface bearing of the fixing frame;

[0017] A hollow tube, wherein the hollow tube bearing is arranged through the mounting plate, and the rotating shaft is arranged to move through the hollow tube.

[0018] By adopting the above technical solution, it is easy to start the motor to rotate the rotating shaft and drive the hollow tube to move.

[0019] As a preferred technical solution of the utility model, the structural shape of the rotating shaft is square, and the hollow tube is a structure with an outer circle and an inner square that matches the rotating shaft.

[0020] The above technical solution is adopted to facilitate the stable and effective rotation of the hollow tube when the rotating shaft rotates, while ensuring that the hollow tube and the rotating shaft can move relative to each other.

[0021] As a preferred technical solution of the utility model, the hair dryer mechanism includes:

[0022] A fixing plate, the fixing plate being fixedly mounted on the other end of the inner wall of the wind tube;

[0023] A transmission shaft, wherein a longitudinal bearing of the transmission shaft is arranged through the fixing plate;

[0024] A driving pulley, the driving pulley is fixedly sleeved on the outer wall surface of the hollow tube;

[0025] A driven pulley, the driven pulley is coaxially fixedly mounted on the outer end of the transmission shaft, and the driven pulley is connected to the driving pulley through a belt drive;

[0026] The fan blades are fixedly mounted on the inner end of the transmission shaft.

[0027] By adopting the above technical solution, the hollow tube drives the driving pulley to rotate, and the driven pulley drives the transmission shaft and the fan blades to rotate through the belt, so that the divided flow is heated by the electric heating network and blown to the plastic coil.

[0028] As a preferred technical solution of the utility model, the mobile adjustment mechanism includes:

[0029] A bidirectional screw rod, the bottom end of which is connected to the inner bottom surface bearing of the fixing frame, the bidirectional screw rod passes through the mounting plate, and the bidirectional screw rod is threadedly connected to the mounting plate, and the bidirectional screw rod bearing passes through the top surface of the fixing frame;

[0030] An adjusting hand wheel is coaxially fixedly mounted on the top end of the bidirectional screw rod.

[0031] By adopting the above technical solution, it is convenient to drive the installation plate to move the air duct through the rotation of the bidirectional screw rod, adjust the distance from the plastic coil, and avoid overheating or underheating.

[0032] Compared with the prior art, the utility model has the following beneficial effects: the uniform heating mechanism of the blister forming machine can heat both sides of the plastic coil at the same time, improve the heating uniformity, and can adjust the distance between the plastic coil and the heating coil to avoid overheating or underheating affecting the heating uniformity of the plastic coil, thereby ensuring the blister effect, improving the processing quality, being simple and flexible to operate, and having strong practicality;

[0033] 1. Start the motor to rotate the shaft and drive the hollow tube to rotate synchronously. The driving pulley, belt and driven pulley make the transmission shaft drive the fan blades to rotate synchronously, so that the wind flows through the wind tube. At the same time, the electric heating net heats the wind, so that the hot wind blows to the plastic coil transmitted between the two wind tubes to heat it, so that both sides of the plastic coil are heated at the same time, and the uniform heating of the plastic coil is improved;

[0034] 2. By turning the adjusting hand wheel to rotate the bidirectional screw, the two mounting plates move in opposite directions, thereby adjusting the distance between the air ducts on both sides and the plastic coil, thereby avoiding overheating or underheating of the plastic coil and ensuring uniform heating of the plastic coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the structure of the utility model;

[0036] Figure 2 This is a schematic diagram of the structure of the mounting plate, the fixing frame and the air duct of the utility model;

[0037] Figure 3 This is a schematic diagram of the cross-sectional structure of the air duct of the utility model;

[0038] Figure 4 It is a schematic diagram of the connection structure between the hollow tube and the driving pulley of the utility model.

[0039] In the figure: 1. machine base; 2. mold forming mechanism; 3. fixing frame; 4. mounting plate; 5. air duct; 6. electric heating net; 7. motor; 8. rotating shaft; 9. hollow tube; 10. fixing plate; 11. transmission shaft; 12. driving pulley; 13. driven pulley; 14. belt; 15. fan blade; 16. bidirectional screw rod; 17. adjusting hand wheel. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] See also Figure 1-4 , the technical solution of the utility model: a uniform heating mechanism of a blister forming machine, comprising a machine base 1 and a mold forming mechanism 2, the mold forming mechanism 2 is fixedly installed on the top surface of the machine base 1, a fixing frame 3 is fixedly installed on the top surface of the machine base 1, and the fixing frame 3 is located on the left side of the mold forming mechanism 2, two symmetrically arranged mounting plates 4 are slidably connected to the inner side surface of the fixing frame 3, a wind tube 5 is longitudinally fixed and penetrates the mounting plate 4, and an electric heating net 6 is fixedly installed at one end of the inner wall surface of the wind tube 5;

[0042] The motor 7 is fixedly mounted on the inner bottom surface of the fixing frame 3, the bottom end of the rotating shaft 8 is key-connected with the shaft end of the motor 7, and the top end of the rotating shaft 8 is connected with the inner top surface bearing of the fixing frame 3, the hollow tube 9 bearing is penetrated through the mounting plate 4, and the rotating shaft 8 is movable through the hollow tube 9, the structural shape of the rotating shaft 8 is square, and the hollow tube 9 is a structure with an outer circle and an inner square that matches the rotating shaft 8;

[0043] The fixing plate 10 is fixedly mounted on the other end of the inner wall of the wind tube 5, the longitudinal bearing of the transmission shaft 11 passes through the fixing plate 10, the driving pulley 12 is fixedly sleeved on the outer wall of the hollow tube 9, the driven pulley 13 is coaxially fixedly mounted on the outer end of the transmission shaft 11, and the driven pulley 13 is connected to the driving pulley 12 through a belt 14, and the fan blade 15 is fixedly mounted on the inner end of the transmission shaft 11;

[0044] The bottom end of the bidirectional screw rod 16 is connected to the inner bottom bearing of the fixed frame 3, and the bidirectional screw rod 16 passes through the mounting plate 4, and the bidirectional screw rod 16 is threadedly connected to the mounting plate 4. At the same time, the bearing of the bidirectional screw rod 16 passes through the top surface of the fixed frame 3, and the adjusting hand wheel 17 is coaxially fixed to the top end of the bidirectional screw rod 16.

[0045] Working principle: When in use, the motor 7 is started to rotate the shaft 8, so that the shaft 8 drives the hollow tube 9 to rotate synchronously, so that the hollow tube 9 drives the driving pulley 12 to rotate, and the driven pulley 13 drives the transmission shaft 11 to rotate through the action of the belt 14. When the transmission shaft 11 rotates, it drives the fan blades 15 to rotate synchronously, so that wind flows in the wind tube 5;

[0046] At the same time, the electric heating net 6 is started to heat the flowing wind, ensuring that the hot wind is blown to the plastic coil transported between the two wind tubes 5, so that both sides of the plastic coil are heated at the same time, ensuring the uniformity of heating the plastic coil, and the uniformly heated plastic will often enter the mold forming mechanism 2 for vacuum forming;

[0047] By turning the adjusting hand wheel 17 to rotate the bidirectional screw rod 16, the two mounting plates 4 threadedly connected to the bidirectional screw rod 16 move in opposite directions, so that the two air ducts 5 move synchronously, thereby adjusting the distance between the air ducts 5 and the plastic coil, avoiding overheating or underheating of the plastic coil, and improving the flexibility of use. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A uniform heating mechanism for a vacuum forming machine, comprising a machine base (1) and a mold forming mechanism (2), wherein the mold forming mechanism (2) is fixedly mounted on the top surface of the machine base (1), characterized in that: Also includes: A fixing frame (3), the fixing frame (3) being fixedly mounted on the top surface of the machine base (1), and the fixing frame (3) being located on the left side of the mold forming mechanism (2); A mounting plate (4), wherein two symmetrically arranged mounting plates (4) are slidably connected to the inner side surface of the fixing frame (3); An air duct (5), the air duct (5) being fixedly disposed longitudinally and penetrating the mounting plate (4); An electric heating net (6), the electric heating net (6) being fixedly mounted on one end of the inner wall surface of the wind tube (5); A driving mechanism, the driving mechanism being arranged on the inner bottom surface of the fixing frame (3); A blower mechanism connected to the driving mechanism; A movable adjustment mechanism is arranged on the fixed frame (3).

2. A uniform heating mechanism for a blister forming machine according to claim 1, characterized in that: The driving mechanism comprises: A motor (7), wherein the motor (7) is fixedly mounted on the inner bottom surface of the fixing frame (3); A rotating shaft (8), wherein the bottom end of the rotating shaft (8) is key-connected to the shaft end of the motor (7), and the top end of the rotating shaft (8) is connected to the inner top surface bearing of the fixing frame (3); A hollow tube (9), a bearing of the hollow tube (9) is arranged to pass through the mounting plate (4), and the rotating shaft (8) is arranged to movably pass through the hollow tube (9).

3. A uniform heating mechanism for a blister forming machine according to claim 2, characterized in that: The structural shape of the rotating shaft (8) is a square, and the hollow tube (9) is a structure with an outer circle and an inner square that matches the rotating shaft (8).

4. The uniform heating mechanism of the blister forming machine according to claim 2, characterized in that: The hair dryer structure comprises: A fixing plate (10), the fixing plate (10) being fixedly mounted on the other end of the inner wall surface of the wind tube (5); A transmission shaft (11), wherein a longitudinal bearing of the transmission shaft (11) is disposed through the fixing plate (10); A driving pulley (12), wherein the driving pulley (12) is fixedly sleeved on the outer wall surface of the hollow tube (9); A driven pulley (13), the driven pulley (13) is coaxially fixedly mounted on the outer end of the transmission shaft (11), and the driven pulley (13) is connected to the driving pulley (12) via a belt (14); A fan blade (15), wherein the fan blade (15) is fixedly mounted on the inner end of the transmission shaft (11).

5. The uniform heating mechanism of the blister forming machine according to claim 4, characterized in that: The mobile adjustment mechanism comprises: A bidirectional screw rod (16), the bottom end of which is connected to the inner bottom surface bearing of the fixing frame (3), the bidirectional screw rod (16) is arranged through the mounting plate (4), and the bidirectional screw rod (16) is threadedly connected to the mounting plate (4), and the bearing of the bidirectional screw rod (16) is arranged through the top surface of the fixing frame (3); An adjusting hand wheel (17) is coaxially fixedly mounted on the top end of the bidirectional screw rod (16).

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