Heat transfer printing film unwinding and winding device

Abstract

The utility model discloses a heat transfer printing film unwinding and winding device which comprises a frame body, an unwinding shaft, a winding shaft and a heat transfer printing film conveying line, wherein the unwinding shaft and the winding shaft are respectively driven to rotate through a plurality of groups of driving parts which are correspondingly connected on the frame body, and the heat transfer printing film conveying line is formed by a plurality of rolling shafts which are rotatably arranged between the unwinding shaft and the winding shaft on the frame body. The frame body is further provided with two sets of pressing assemblies, the two sets of pressing assemblies are installed at the two ends of the unwinding shaft and the two ends of the winding shaft correspondingly, and each pressing assembly comprises a fixing rod, a connecting plate installed on the fixing rod and a rolling shaft rotationally arranged on the connecting plate. The connecting plate is hinged to the fixing rod through a clockwork spring arranged in the connecting plate and a mounting shaft connected with the clockwork spring, and a rolling shaft rotationally arranged on the connecting plate is attached to the surface of the unwinding shaft and the surface of the winding shaft. The unwinding stability of the heat transfer printing film and the tension uniformity of the heat transfer printing film in the winding process are further improved, and the phenomena of slipping and film winding are not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat transfer printing film production and processing manufacturing technical field, concretely relates to a heat transfer printing film unwinding and winding device. BACKGROUND

[0002] As a medium material of heat transfer printing process, heat transfer printing film usually realizes the unwinding and winding process of heat transfer printing film through the rotation of motor-driven roller in the heat transfer printing process, however, most of the roller structures for unwinding and winding are relatively simple in structure setting, although they can meet the basic conveying function of heat transfer printing film, the uneven tension of heat transfer printing film is prone to occur in the unwinding and winding process, which further causes the loose winding and corresponding slipping phenomenon of heat transfer printing film in the winding process, and the corresponding heat transfer printing film unwinding and secondary winding process is also prone to the phenomenon of film slipping and edge winding, which affects the normal conveying of heat transfer printing film and the smooth progress of heat transfer printing process. SUMMARY

[0003] The utility model discloses a heat transfer printing film unwinding and winding device, which can further improve the unwinding stability of heat transfer printing film and the uniformity of the tension of heat transfer printing film in the winding process, and is not prone to slipping and film winding, thereby further improving the conveying stability of heat transfer printing film.

[0004] The utility model discloses a heat transfer printing film unwinding and winding device, which can further improve the unwinding stability of heat transfer printing film and the uniformity of the tension of heat transfer printing film in the winding process, and is not prone to slipping and film winding, thereby further improving the conveying stability of heat transfer printing film.

[0005] A heat transfer printing film unwinding and winding device, comprising a frame body, a plurality of groups of driving components connected to the frame body and driving the rotation of the unwinding shaft and the winding shaft, and a plurality of rollers arranged between the unwinding shaft and the winding shaft on the frame body to form a heat transfer printing film conveying line.

[0006] Preferably, the spring and the mounting shaft are detachably mounted on the corresponding positions of the connecting plate through the fixed plate and the locking piece mounted on both sides of the connecting plate.

[0007] Preferably, the roller is mounted on the connecting plate through a detachable structure.

[0008] Preferably, the connecting plate is slidably arranged on the fixing rod through the sliding groove structure arranged on the fixing rod and the plurality of adjusting members rotatably arranged on the fixing rod.

[0009] Preferably, the connecting plate and the rolling shaft rotatably arranged thereon are correspondingly provided with a plurality of groups.

[0010] Preferably, the conveying line further comprises two groups of pressing roller structures formed by upper and lower pressing structures at corresponding positions of the frame body and a process operation table arranged between the two groups of pressing roller structures.

[0011] Compared with the prior art, the present application has the following advantages and effects:

[0012] The heat transfer printing film unwinding and winding device of the present application has the following advantages and effects compared with the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the heat transfer printing film unwinding and winding device of the present application.

[0014] Figure 2 is an enlarged view of the detachable connection structure between the connecting plate and the fixing rod.

[0015] Figure 3 is an enlarged view of the detachable connection structure between the connecting plate and the fixing rod.

[0016] Figure 4 is a structure enlarged view of the compression assembly of the embodiment of the utility model.

[0017] The drawing number is: frame body 100, unwinding shaft 101, winding shaft 102, roller shaft 103, compression roller structure 104, process operation table 105, driving part 110, thermal transfer film 120, compression assembly 1, fixed rod 11, sliding groove structure 111, adjusting part 112, connecting plate 12, clockwork spring 121, mounting shaft 122, slot 1221, fixed plate 123, locking part 124, mounting hole 125, rolling shaft 13. DETAILED DESCRIPTION

[0018] The utility model will be preferred and described in detail below by combining with the drawings and through embodiments, and the following embodiments are the explanation of the utility model and the utility model is not limited to the following embodiments.

[0019] Referring to Figures 1-3 , the embodiment relates to a kind of thermal transfer film unwinding and winding device, including frame body 100 and the unwinding shaft 101 and winding shaft 102 of multiple groups of driving part 110 respectively driven rotation on it by corresponding connection and the several roller shafts 103 formed thermal transfer film 120 conveying line that are rotationally arranged between unwinding shaft 101 and winding shaft 102 on frame body 100, the frame body 100 is also provided with compression assembly 1, the compression assembly 1 is provided with two groups and is respectively installed in unwinding shaft 101 and winding shaft 102 two ends, the compression assembly 1 includes fixed rod 11 and the connecting plate 12 installed on it and the rolling shaft 13 rotationally arranged on connecting plate 12, the connecting plate 12 is hinged on fixed rod 11 by the clockwork spring 121 and the mounting shaft 122 connected with clockwork spring 121 and rotationally arranged rolling shaft 13 on it respectively with unwinding shaft 101 and winding shaft 102 surface is pasted.

[0020] Specifically in the embodiment, as Figure 1 Indicated, the overall structure of this kind of thermal transfer film 120 unwinding and winding device and the arrangement position of corresponding roller shaft 103 on its frame body 100 and the specific conveying direction of corresponding thermal transfer film 120, the unwinding shaft 101 and winding shaft 102 respectively arranged on the corresponding position of the both ends of the frame body 100 can be rotated in corresponding direction under the drive of driving part 110 during conveying, so as to realize the unwinding conveying and winding process of thermal transfer film 120, while the compression assembly 1 can play a certain compression effect to the thermal transfer film 120 that is unwound and wound during the rotation of unwinding shaft 101 and winding shaft 102, the internal structure of the connecting plate 12 and the mounting mode between fixed rod 11 can be referred to Figure 2 And Figure 3As shown, the connecting plate 12 is provided with a clock spring 121, and the clock spring 121 can be elastically deformed and have a certain torque by rotating the mounting shaft 122 connected thereto. The connecting plate 12 mounted on the fixed rod 11 can be inserted into the slot 1221 structure at the corresponding position on both ends of the fixed rod 11 and connected to the rolling shaft 13 to be placed between the two connecting plates 12 for rotation. Then, the rolling shaft 13 can be adjusted to the fitting position of the unwinding shaft 101 and the winding shaft 102, and the connecting plate 12 can be driven to rotate around the periphery of the fixed rod 11. Thus, the clock spring 121 in the connecting plate 12 and the mounting shaft 122 fixed on the fixed rod 11 by the slot 1221 structure are rotated, and the rolling shaft 13 rotating thereon is fitted with the winding shaft 102 and the unwinding shaft 101 for rotation with a certain pressure. The pressure bonding assembly 1 is added to the corresponding position of the unwinding shaft 101 and the winding shaft 102, and the structure is set. It can not only have a certain pressure effect on the unwinding and winding process of the heat transfer film 120, but also can ensure the stability of the unwinding and winding of the heat transfer film 120 on the unwinding shaft 101 and the winding shaft 102, effectively reduce the phenomenon of edge winding and film winding, and appropriately reduce the unnecessary influence on the heat transfer film 120 conveying process and the subsequent heat transfer process caused by the sliding film phenomenon. At the same time, it can also ensure the uniformity of the tension of the heat transfer film 120 in the winding process, effectively improve the winding effect of the heat transfer film 120, reduce the phenomenon of film sliding in the process of secondary winding caused by loose winding and rework, improve the conveying efficiency and stability of the heat transfer film 120, and the structure of the pressure bonding assembly 1. The clock spring 121 in the connecting plate 12 and the mounting shaft 122 mounted on the fixed rod 11 by the slot 1221 structure can drive the connecting plate 12 on the fixed rod 11 to rotate around the periphery of the fixed rod 11 through the mounting shaft 122, and the pressure can be adjusted according to the specific use requirement and the size of the cylinder formed by the heat transfer film 120 on the unwinding shaft 101 and the winding shaft 102. It can effectively reduce the unnecessary influence on the heat transfer film 120 conveying process caused by the influence of the pressure on the effect of the pressure bonding assembly 1 and the phenomenon of film breakage, meet different use requirements and application convenience, high efficiency, improve the functional diversity and applicability of the device.

[0021] The clock spring 121 and the mounting shaft 122 are detachably mounted on the connecting plate 12 at the corresponding position through the fixed plate 123 and the locking piece 124 mounted on both sides of the connecting plate 12, and the specific can be seen from Figure 2As shown, the inside of the connecting plate 12 spring 121 can be connected and fixed by the bolt on both sides of the corresponding position to achieve the detachable process, and the locking piece 124 is installed on the installation shaft 122 by the threaded structure on the installation shaft 122. The two ends of the installation shaft 122 are connected to the installation shaft 122 of the connecting plate 12, and the locking piece 124 is rotated while leaving a redundant length on both sides of the fixed plate 123, so as to not affect the normal rotation process of the connecting plate 12 on the installation shaft 122. This structure can facilitate the installation, disassembly, replacement, cleaning and adjustment of the installation shaft 122 and the spring 121, and further improve the detachability, flexibility and convenience of the connecting plate 12.

[0022] The rolling shaft 13 is detachably connected to the connecting plate 12, as shown in Figure 3 The detachable connection between the connecting plate 12 and the corresponding rolling shaft 13 is achieved by the pin rod inside the rolling shaft 13 and the corresponding threaded structure on both ends of the pin rod, which is inserted into the installation hole 125 on the connecting plate 12 and fixed by the corresponding bolt. The rolling shaft 13 connected to the connecting plate 12 by this detachable structure can be replaced and adjusted according to the size and specification of the rolling shaft 13, improving the applicability.

[0023] The connecting plate 12 is slidably arranged on the fixed rod 11 by the sliding groove structure 111 on the fixed rod 11 and the plurality of adjusting members 112 rotatably arranged on the fixed rod 11, as shown in Figure 3 The connecting plate 12 is connected to the fixed rod 11 and slidably arranged on the fixed rod 11 by the corresponding slot structure on the shaft body of the installation shaft 122 and the corresponding slot structure of the sliding groove structure 111 on the fixed rod 11. The length of the shaft body of the rolling shaft 13 can be adjusted according to different use requirements, and the connecting plate 12 can be locked in different positions on the fixed rod 11 by the plurality of adjusting members 112 rotatably arranged on the fixed rod 11 by the threaded structure, so as to further improve the adjustment flexibility and applicability of the pressing assembly 1, and facilitate flexible adjustment according to different use requirements.

[0024] Referring to Figure 4The connecting plate 12 and the rolling shaft 13 rotatably arranged thereon are respectively adapted to the shaft body length of the unwinding shaft 101 and the winding shaft 102, and a plurality of groups are correspondingly arranged, the connecting plate 12 and the rolling shaft 13 can be flexibly adjusted in the corresponding number and the corresponding structure according to the specific requirements of the heat transfer printing film 120 during unwinding and winding, and the specific setting structure of the unwinding shaft 101 and the winding shaft 102 is matched, the multiple unwinding and winding processes of the heat transfer printing film 120 are met, and the adhesion and use adaptability of the heat transfer printing film 120 are improved.

[0025] The conveying line further comprises two groups of compression roller structures 104 formed by the upper and lower compression structures at the corresponding positions of the frame body 100 and the process operation table 105 arranged between the two groups of compression roller structures 104, and the specific arrangement of the upper compression roller structure 104 of the frame body 100 and the process operation table 105 can be referred to Figure 1 The arrangement of the compression roller structure 104 can further improve the conveying stability of the heat transfer printing film 120, and the additional process operation table 105 can be additionally arranged according to the specific heat transfer printing process and the use requirements, so that the additional mechanical structure can be additionally arranged and adjusted, thereby further improving the functional diversity and use flexibility of the heat transfer printing film 120 unwinding and winding device, and meeting different use requirements.

[0026] The above contents described in the specification are only examples of the utility model. The skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the content of the specification is not deviated or the scope defined by the claims is not exceeded, which shall belong to the protection scope of the utility model.

Claims

1. A heat transfer film unwinding and winding device, comprising a frame and a plurality of sets of driving components connected thereto to drive the rotation of an unwinding shaft and a winding shaft, respectively, and a plurality of rollers arranged between the unwinding shaft and the winding shaft to form a heat transfer film conveying line, characterized in that: The frame body is further provided with pressing assemblies, two groups of the pressing assemblies are respectively arranged at the two ends of the unwinding shaft and the winding shaft, the pressing assembly comprises a fixed rod, a connecting plate arranged on the fixed rod, and a rolling shaft rotatably arranged on the connecting plate, the connecting plate is hingedly arranged on the fixed rod through a spring and a mounting shaft connected with the spring, and the rolling shaft rotatably arranged on the connecting plate is respectively attached to the surface of the unwinding shaft and the winding shaft.

2. The heat transfer film unwinding and take-up apparatus of claim 1, wherein: The spring and the mounting shaft are detachably arranged on the corresponding positions of the connecting plate through fixed plates and locking members arranged on the two sides of the connecting plate.

3. The heat transfer film unwinding and take-up apparatus of claim 1, wherein: The rolling shaft is detachably arranged on the connecting plate.

4. The heat transfer film unwinding and take-up apparatus of claim 1, wherein: The connecting plate is slidably arranged on the fixed rod through a sliding groove structure arranged on the fixed rod and a plurality of adjusting members rotatably arranged on the fixed rod.

5. The heat transfer film unwinding and take-up apparatus of claim 4, wherein: The connecting plate and the rolling shaft rotatably arranged on the connecting plate are respectively adapted to the shaft body length of the unwinding shaft and the winding shaft, and a plurality of groups are correspondingly arranged.

6. The heat transfer film unwinding and take-up apparatus of claim 1, wherein: The conveying line further comprises two groups of compression roller structures formed by using an up-down pressing structure at the corresponding positions of the frame body and a process operation table arranged between the two groups of compression roller structures.

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