Heat transfer film anti-curling conveying device
By introducing a frame, guide rollers, and tensioning mechanism into the heat transfer film conveying device, and using a motor to drive gears and racks to move the tensioning rollers, the problems of curling and wrinkling during the heat transfer film conveying process are solved, and a better tensioning effect is achieved.
Patent Information
- Application Number
- CN202520210650.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing heat transfer film conveying devices are prone to curling and wrinkling during the conveying process, resulting in poor tension performance.
The design includes a frame, guide rollers, tensioning mechanism and winding mechanism. The tensioning rollers are moved by a motor-driven gear and rack, which increases the height difference between the tensioning rollers to achieve effective tensioning of the heat transfer film.
It effectively prevents the heat transfer film from curling and wrinkling during the transfer process, and improves the tension performance during the transfer process.
Smart Images

Figure CN223722357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat transfer printing film production technical field especially relates to a heat transfer printing film anti-curl conveying device. BACKGROUND
[0002] The heat transfer printing film is a medium material of heat transfer printing process. When producing the heat transfer printing film, it needs to be conveyed between various processes. However, the existing conveying device has poor tensioning performance for the heat transfer printing film, which leads to the curling and wrinkling of the heat transfer printing film during the conveying process. Therefore, in view of the above status, it is urgent to develop a heat transfer printing film anti-curl conveying device which is convenient for tensioning the heat transfer printing film and prevents curling and wrinkling during conveying, so as to overcome the shortcomings in the prior art and meet the current needs. SUMMARY
[0003] The utility model discloses a heat transfer printing film anti-curl conveying device, which solves the problems in the background art.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A heat transfer printing film anti-curl conveying device, comprising a rack, a first guide roller, a second guide roller, a winding mechanism, a tensioning mechanism, a sliding block and a sliding rail, the first guide roller and the second guide roller are rotatably connected inside the rack, the tensioning mechanism is installed in the rack between the first guide roller and the second guide roller, the winding mechanism is installed at the front end of the rack, the tensioning mechanism comprises a support shaft, a gear, a driving wheel, a driven wheel, a transmission belt, a second motor, a first rack, a second rack, a first tensioning roller, a second tensioning roller and a transmission shaft, two support shafts are rotatably connected in the rack, a driving wheel is installed on each support shaft, the transmission shaft is rotatably connected in the rack, a driven wheel is installed on the left and right ends of the transmission shaft, the driving wheel and the driven wheel are drivingly connected by the transmission belt, the second motor is fixed on the rack, the output shaft of the second motor is fixed with a support shaft, a gear is installed on each support shaft, a first rack meshing with the gear is arranged on the left side of each gear, a second rack meshing with the gear is arranged on the right side of each gear, a first tensioning roller is rotatably connected between the two first racks, and a second tensioning roller is rotatably connected between the two second racks.
[0006] Preferably, the rear side of the first rack and the second rack is fixed with a sliding block, the sliding block is slidingly installed on the sliding rail, and the sliding rail is fixed in the rack.
[0007] Preferably, the winding mechanism comprises a first motor and a winding roller, the first motor is fixed on the rack, and the output shaft of the first motor is detachably fixed with the winding roller.
[0008] Preferably: the height of the first guide roller and the second tensioning roller are higher than the height of the first tensioning roller, and the height of the second guide roller is lower than the height of the second tensioning roller and the winding roller.
[0009] The heat transfer film anti-curling conveying device has the advantages that: when in use, the heat transfer film passes through the upper side of the first guide roller, the lower side of the first tensioning roller, the upper side of the second tensioning roller and the lower side of the second guide roller in sequence, and the right end of the heat transfer film is wound on the winding roller; the winding roller is driven to rotate by the first motor, the heat transfer film is wound by the rotation of the winding roller, the support shaft and the gear are driven to rotate by the second motor, the first rack and the second rack are driven to move towards each other by the rotation of the gear, the first tensioning roller and the second tensioning roller are driven to move towards each other by the first rack and the second rack, so that the height difference between the first tensioning roller and the second tensioning roller is increased, the heat transfer film is tensioned by the first tensioning roller and the second tensioning roller, and curling of the heat transfer film is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.
[0011] Figure 2 It is a use state schematic diagram of the utility model.
[0012] Figure 3 It is a part structure schematic diagram of the utility model Figure 1 .
[0013] Figure 4 It is a part structure schematic diagram of the utility model Figure 2 .
[0014] Figure 5 It is a part structure schematic diagram of the utility model Figure 3 .
[0015] LEGEND:
[0016] 1, rack; 2, first guide roller; 3, second guide roller; 4, winding mechanism; 401, first motor; 402, winding roller; 5, tensioning mechanism; 501, support shaft; 502, gear; 503, driving wheel; 504, driven wheel; 505, transmission belt; 506, second motor; 507, first rack; 508, second rack; 509, first tensioning roller; 510, second tensioning roller; 511, transmission shaft; 6, sliding block; 7, sliding rail. DETAILED DESCRIPTION
[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0018] Specific embodiments are given below.
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Figures 1-5 In the embodiment of the present application, a heat transfer film anti-curl conveying device comprises a rack 1, a first guide roller 2, a second guide roller 3, a winding mechanism 4, a tensioning mechanism 5, a sliding block 6 and a sliding rail 7. The first guide roller 2 and the second guide roller 3 are rotatably connected inside the rack 1. The tensioning mechanism 5 is installed inside the rack 1 between the first guide roller 2 and the second guide roller 3. The winding mechanism 4 is installed at the front end of the rack 1. The tensioning mechanism 5 comprises a support shaft 501, a gear 502, a driving wheel 503, a driven wheel 504, a transmission belt 505, a second motor 506, a first rack 507, a second rack 508, a first tensioning roller 509, a second tensioning roller 510 and a transmission shaft 511. Two support shafts 501 are rotatably connected inside the rack 1. One driving wheel 503 is installed on each support shaft 501. The transmission shaft 511 is rotatably connected inside the rack 1. One driven wheel 504 is installed at the left and right ends of the transmission shaft 511. The driving wheel 503 and the driven wheel 504 are drivingly connected through the transmission belt 505. The second motor 506 is fixed on the rack 1. The output shaft of the second motor 506 is fixed with one support shaft 501. One gear 502 is installed on each support shaft 501. One first rack 507 meshing with the gear 502 is arranged at the left side of each gear 502. One second rack 508 meshing with the gear 502 is arranged at the right side of each gear 502. The first tensioning roller 509 is rotatably connected between the two first racks 507. The second tensioning roller 510 is rotatably connected between the two second racks 508. Since the first rack 507 and the second rack 508 are located at the left and right sides of the gear 502, when the gear 502 rotates, the first rack 507 and the second rack 508 move upward and downward respectively. The rear side of the first rack 507 and the second rack 508 is fixed with the sliding block 6. The sliding block 6 is slidingly installed on the sliding rail 7. The sliding rail 7 is fixed inside the rack 1.
[0020] The winding mechanism 4 comprises a first motor 401 and a winding roller 402. The first motor 401 is fixed on the rack 1. The output shaft of the first motor 401 is detachably fixed with the winding roller 402.
[0021] The height of the first guide roller 2 and the second tensioning roller 510 is higher than the height of the first tensioning roller 509, and the height of the second guide roller 3 is lower than the height of the second tensioning roller 510 and the winding roller 402.
[0022] Working principle: the heat transfer film anti-curling conveying device, when in use, the heat transfer film passes through the upper side of the first guide roller 2, the lower side of the first tensioning roller 509, the upper side of the second tensioning roller 510 and the lower side of the second guide roller 3 in turn, and the right end of the heat transfer film is wound on the winding roller 402; the winding roller 402 is driven to rotate by the first motor 401, the heat transfer film is wound by the rotation of the winding roller 402, the support shaft 501 and the gear 502 are driven to rotate by the second motor 506, the first rack 507 and the second rack 508 are driven to move towards each other by the rotation of the gear 502, the first tensioning roller 509 and the second tensioning roller 510 are driven to move towards each other by the first rack 507 and the second rack 508, so as to increase the height difference between the first tensioning roller 509 and the second tensioning roller 510, so that the first tensioning roller 509 and the second tensioning roller 510 tension the heat transfer film, and prevent the heat transfer film from curling.
[0023] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A heat transfer film anti-curling conveying device, characterized in that, The assembly includes a frame (1), a first guide roller (2), a second guide roller (3), a winding mechanism (4), a tensioning mechanism (5), a slider (6), and a slide rail (7). The first guide roller (2) and the second guide roller (3) are rotatably connected inside the frame (1). The tensioning mechanism (5) is installed between the first guide roller (2) and the second guide roller (3) within the frame (1). The winding mechanism (4) is installed at the front end of the frame (1). The tensioning mechanism (5) includes: a support shaft (501), a gear (502), a drive wheel (503), a driven wheel (504), a transmission belt (505), a second motor (506), a first rack (507), a second rack (508), a first tensioning roller (509), a second tensioning roller (510), and a transmission shaft (511). Two support shafts (501) are rotatably connected inside the frame (1), and a main drive wheel is installed on each support shaft (501). The drive wheel (503) is rotatably connected to the frame (1) by the drive shaft (511). A driven wheel (504) is installed at both ends of the drive shaft (511). The drive wheel (503) and the driven wheel (504) are connected by a drive belt (505). The second motor (506) is fixed on the frame (1). The output shaft of the second motor (506) is fixed to a support shaft (501). A gear (502) is installed on each support shaft (501). A first rack (507) meshes with each gear (502) on the left side. A second rack (508) meshes with each gear (502) on the right side. A first tension roller (509) is rotatably connected between the two first racks (507). A second tension roller (510) is rotatably connected between the two second racks (508).
2. The heat transfer film anti-curling conveying device according to claim 1, characterized in that, The rear sides of the first rack (507) and the second rack (508) are both fixed with sliders (6), the sliders (6) are slidably mounted on the slide rail (7), and the slide rail (7) is fixed inside the frame (1).
3. The heat transfer film anti-curling conveying device according to claim 2, characterized in that, The winding mechanism (4) includes a first motor (401) and a winding roller (402). The first motor (401) is fixed on the frame (1), and the output shaft of the first motor (401) is detachably fixed to the winding roller (402).
4. The heat transfer film anti-curling conveying device according to claim 3, characterized in that, The height of the first guide roller (2) and the second tension roller (510) is higher than the height of the first tension roller (509), and the height of the second guide roller (3) is lower than the height of the second tension roller (510) and the take-up roller (402).