A blanket printing positioning device

Abstract

This utility model discloses a blanket printing positioning device, relating to the field of positioning device technology. It includes a frame, a transmission printing assembly, a drive assembly, and a positioning assembly. The positioning assembly includes a lower positioning platform mounted on a base plate and an upper positioning unit mounted on a support frame. The upper positioning unit includes a suspension frame, multiple sets of lateral telescopic components arranged circumferentially on the suspension frame, and upper and lower telescopic components located at the center of the suspension frame. The multiple sets of lateral telescopic components of the positioning assembly simultaneously press the action block of the four-sided pyramid structure, converting the horizontal thrust into a vertical resultant force to drive the triangular block to precisely press against the blanket's edge. Utilizing the lateral constraint and vertical friction of the triangular structure, the lateral offset and longitudinal movement of the blanket can be simultaneously restricted, significantly improving positioning stability. Simultaneously, the irregular shape of the guide rod and guide cylinder ensures the stability of the triangular block's posture.

Description

Technical Field

[0001] This utility model relates to the field of positioning device technology, and in particular to a positioning device for blanket printing. Background Technology

[0002] Blanket printing is a key process in blanket production that imbues products with decorative and personalized qualities. By printing various patterns, designs, or logos on the blanket surface, the product's aesthetics and market competitiveness are enhanced. Currently, the mainstream blanket printing process mostly employs roller printing, utilizing the cooperation of an active printing roller and a driven pressure roller to continuously transport the blanket within the working channel formed by the two rollers. Simultaneously, the dye is transferred to the blanket surface through the pattern roller on the printing roller to complete the printing process. Because blankets are mostly knitted or woven fabrics, the surface usually has a certain thickness of pile, and the width is relatively large. The printing process requires high precision in pattern positioning and registration accuracy, especially for symmetrical patterns or continuous patterns. Even a slight positioning deviation can lead to pattern misalignment, affecting product quality.

[0003] However, existing blanket printing equipment has significant shortcomings in the positioning process: on the one hand, blankets are prone to lateral shifting or movement during transport due to uneven tension, edge curling, or equipment vibration. Traditional positioning devices often use side baffles or simple pressure rollers, which are difficult to adapt to the accuracy issues during blanket transport and result in poor positioning stability. On the other hand, the existing positioning mechanisms lack adjustment flexibility, have poor adaptability to blankets of different widths and with different overlocking processes, and the synchronization between the positioning components and the printing rollers is poor, which can easily lead to printing deviations due to positioning lag.

[0004] Therefore, this utility model proposes a blanket printing positioning device to solve the above problems. Utility Model Content

[0005] In view of the problems existing in the prior art, this utility model is proposed.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a blanket printing positioning device, comprising:

[0007] A frame structure, the frame structure including a base plate and two sets of support frames symmetrically perpendicular to the base plate;

[0008] The transmission printing assembly is mounted in parallel between the crossbeams of two sets of support frames. The transmission printing assembly includes an active printing roller and a driven pressure roller arranged in parallel. A working channel is formed between the active printing roller and the driven pressure roller for the blanket to pass through and complete the printing. A drive gear is connected to one end of the active printing roller that passes through the support frame.

[0009] A drive assembly is mounted on the upper surface of the base plate and meshes with a transmission gear.

[0010] The positioning assembly includes a lower positioning platform mounted on a base plate and an upper positioning unit mounted on a support frame. The upper positioning unit includes a suspension frame, multiple sets of lateral telescopic components arranged circumferentially on the suspension frame, and an upper and lower telescopic component located at the center of the suspension frame. The upper and lower telescopic components include a guide rod, action blocks mounted on both ends of the guide rod, and a triangular block. The multiple sets of lateral telescopic components jointly press the inclined surface of the action block to drive the guide rod and the triangular block to move downward, thereby reducing the gap between the triangular block and the lower positioning platform.

[0011] Preferably, the lower positioning platform includes two sets of vertically installed and vertically aligned support rods and a horizontal worktable grafted onto the two sets of support rods. The upper surface of the horizontal worktable is flush with the bottom surface of the working channel, and the horizontal worktable is longer than the width of the blanket.

[0012] Preferably, the action block is in the form of a square pyramid, with a pointed top and a flat bottom that is fixedly connected to the top of the guide rod.

[0013] The triangular block has an overall elongated wedge-shaped structure, and its length direction is perpendicular to the axial direction of the driven pressure roller.

[0014] Preferably, the suspension frame includes an upper suspension plate mounted on a support frame, a rectangular frame mounted on the upper suspension plate, a guide rectangular plate with the side of the rectangular frame facing away from the upper suspension plate, and multiple sets of positioning vertical plates attached to the four sides of the rectangular frame plate, with the multiple sets of the lateral telescopic components corresponding to the multiple sets of positioning vertical plates.

[0015] Preferably, the lateral telescopic assembly includes a lateral sleeve installed on the positioning vertical plate, a telescopic rod that extends and retracts within the lateral sleeve, and a top ball connected to one end of the telescopic rod away from the lateral sleeve. A telescopic spring is sleeved on the telescopic rod, and the two ends of the telescopic spring abut against the top ball and the lateral sleeve, respectively.

[0016] Preferably, the drive assembly includes a three-phase asynchronous motor, a gearbox connected to the output end of the three-phase asynchronous motor via a flexible coupling, and a transmission gear connected to the output end of the gearbox, wherein the transmission gear and the drive gear mesh.

[0017] The beneficial effects of this utility model are as follows: By arranging positioning components symmetrically on both sides, and utilizing multiple sets of lateral telescopic components of the positioning components to simultaneously squeeze the action block of the four-sided pyramid structure, the horizontal thrust is converted into a vertical resultant force to drive the triangular block to accurately press against the blanket edge. Utilizing the lateral constraint and vertical friction of the triangular structure, the lateral offset and longitudinal movement of the blanket can be restricted simultaneously. Compared with traditional side baffles or simple pressure rollers, the positioning stability is greatly improved. At the same time, the irregular shape of the guide rod and guide cylinder ensures the stability of the triangular block's posture, and the telescopic amount of the lateral telescopic components can be flexibly adjusted to adapt to blankets of different widths and edge thicknesses, enhancing the equipment's adaptability. When the drive component drives the transmission printing component, the positioning components move synchronously, and the triangular block works in coordination with the active printing roller and the driven pressure roller to avoid printing deviations caused by positioning lag. At the same time, the triangular block is made of a material that combines rigidity and elasticity, which can reduce damage to the blanket edge and pile, significantly improving printing quality and product qualification rate. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the blanket printing positioning device in this utility model;

[0020] Figure 2 This utility model Figure 1 Enlarged view of the A-section structure;

[0021] Figure 3 This is an isometric view of the blanket printing positioning device of this utility model;

[0022] Figure 4 This utility model Figure 2 Enlarged view of the structure of part B.

[0023] Explanation of reference numerals in the attached drawings: 101, base plate; 102, support frame; 201, active printing roller; 2011, drive gear; 202, driven pressure roller; 203, bearing seat; 301, motor mounting plate; 302, three-phase asynchronous motor; 303, gearbox; 304, transmission gear; 410, lower positioning platform; 411, support rod; 412, horizontal worktable; 420, upper positioning unit; 421, upper suspension plate; 422, rectangular frame; 423, guide rectangular plate; 424, positioning vertical plate; 425, transverse telescopic assembly; 4251, transverse sleeve; 4252, telescopic rod; 4253, telescopic spring; 4254, top ball; 426, upper and lower telescopic assembly; 4261, action block; 4262, guide cylinder; 4263, guide rod; 4264, triangular block. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0027] Reference Figures 1-4 As shown, this embodiment provides a blanket printing positioning device, including a frame, a transmission printing assembly, a drive assembly, and a positioning assembly.

[0028] The frame includes a base plate 101 and two sets of support frames 102 that are symmetrical and perpendicular to the base plate 101.

[0029] The transmission printing assembly is mounted in parallel between the crossbeams of two sets of support frames 102. The transmission printing assembly includes an active printing roller 201 and a driven pressure roller 202 arranged in parallel. A working channel is formed between the active printing roller 201 and the driven pressure roller 202 for the blanket to pass through and complete the printing. Bearing seats 203 are installed at both ends of the active printing roller 201 and the driven pressure roller 202. The active printing roller 201 and the driven pressure roller 202 are movably connected to the support frame 102 through the bearing seats 203. A drive gear 2011 is connected to one end of the active printing roller 201 that passes through the support frame 102.

[0030] A drive assembly is disposed on the upper surface of the base plate 101 and meshes with a transmission gear 304. The drive assembly includes a three-phase asynchronous motor 302, a gearbox 303 connected to the output end of the three-phase asynchronous motor 302 via a flexible coupling, and a transmission gear 304 connected to the output end of the gearbox 303. The transmission gear 304 meshes with the drive gear 2011. The upper surface of the base plate 101 is also equipped with a motor mounting plate 301 for mounting the three-phase asynchronous motor 302.

[0031] The positioning components consist of two sets, symmetrically arranged on both sides of the frame. The two sets include a lower positioning platform 410 mounted on the base plate 101 and an upper positioning unit 420 mounted on the support frame 102. The upper positioning unit 420 includes a suspension frame, multiple sets of lateral telescopic components 425 arranged circumferentially on the suspension frame, and an upper and lower telescopic component 426 located at the center of the suspension frame. The upper and lower telescopic component 426 includes a guide rod 4263, action blocks 4261 mounted at both ends of the guide rod 4263, and a triangular block 4264. The multiple sets of lateral telescopic components 425 jointly press the inclined surface of the action block 4261 to drive the guide rod 4263 and the triangular block 4264 to move downward, thereby reducing the gap between the triangular block 4264 and the lower positioning platform 410.

[0032] Reference Figure 2 As shown, the lower positioning platform 410 includes two sets of support rods 411 that are vertically installed and in a vertical position, and a horizontal worktable 412 grafted onto the two sets of support rods 411. The upper surface of the horizontal worktable 412 is flush with the bottom surface of the working channel, and the horizontal worktable 412 is longer than the width of the blanket.

[0033] Furthermore, the action block 4261 has a square pyramidal structure with a pointed top and a flat bottom that is fixedly connected to the top of the guide rod 4263. All four sides are smooth, sloping surfaces. The horizontal thrust of the transverse telescopic component 425 is converted into a vertical downward force that drives the action block 4261 and the guide rod 4263.

[0034] Furthermore, the triangular block 4264 has an overall elongated wedge-shaped structure, with its length direction perpendicular to the axial direction of the driven pressure roller 202. During operation, when the transverse telescopic component 425 drives the actuating block 4261 to move downward, the triangular block 4264 descends synchronously with the guide rod 4263. The tip of its triangle presses against the edge lock of the blanket. Due to the edge lock process, the edge of the blanket forms a reinforced edge of a certain thickness. Through the vertical pressure applied by the triangular block 4264, a stable friction force can be formed at the edge lock to limit the blanket's movement in the conveying direction. At the same time, the lateral constraint of the edge lock by the hypotenuse of the triangle limits the lateral displacement of the blanket in the width direction.

[0035] Reference Figure 2 As shown, the suspension frame includes an upper suspension plate 421 mounted on the support frame 102, a rectangular frame 422 hung on the upper suspension plate 421, a guide rectangular plate 423 with the side of the rectangular frame 422 facing away from the upper suspension plate 421, and multiple sets of positioning vertical plates 424 attached to the four sides of the rectangular frame 422. Multiple sets of lateral telescopic components 425 correspond to the multiple sets of positioning vertical plates 424.

[0036] A set of guide cylinders 4262 extends from the center of the guide rectangular plate 423, and a guide rod 4263 passes through the guide cylinder 4262 and moves linearly along the axis of the guide rod 4263.

[0037] Furthermore, the cross-section of the guide rod 4263 is not a standard circle. Correspondingly, the through groove inside the guide cylinder 4262 for the guide rod 4263 to pass through is also machined into an irregular shape that perfectly matches the cross-section of the guide rod 4263, so that the guide rod 4263 can move smoothly up and down linearly along its own axis, while the guide rod 4263 cannot rotate around the axis.

[0038] Reference Figure 4 As shown, the lateral telescopic assembly 425 includes a lateral sleeve 4251 mounted on a positioning vertical plate 424, a telescopic rod 4252 telescopically extending within the lateral sleeve 4251, and a top ball 4254 connected to one end of the telescopic rod 4252 away from the lateral sleeve 4251. A telescopic spring 4253 is sleeved on the telescopic rod 4252, and the two ends of the telescopic spring 4253 abut against the top ball 4254 and the lateral sleeve 4251, respectively.

[0039] Furthermore, there are usually four sets of lateral telescopic components 425, which correspond to the four inclined surfaces of the action block 4261. The four sets of lateral telescopic components 425 are symmetrically distributed at 90° around the rectangular frame 422.

[0040] Working principle: When the blanket printing positioning device is working, the three-phase asynchronous motor 302 of the drive component drives the reduction gearbox 303 through the flexible coupling. The reduction gearbox 303 meshes with the drive gear 2011 of the active printing roller 201 via the transmission gear 304, causing the active printing roller 201 to rotate. This, in conjunction with the driven pressure roller 202, causes the blanket to be conveyed along the working channel formed by the active printing roller 201 and the driven pressure roller 202, completing the printing process. Simultaneously, the positioning components on both sides operate synchronously, and the four sets of transverse telescopic components 425, symmetrically distributed at 90° around the rectangular frame 422, are activated, and their telescopic rods 42... 52 extends along the transverse sleeve 4251, and the top ball 4254 presses the four inclined surfaces of the action block 4261, converting the horizontal thrust into a vertical downward resultant force, driving the guide rod 4263 to move vertically downward along the guide cylinder 4262, and driving the triangular block 4264 at the bottom to descend synchronously, so that it is precisely pressed against the edge of the blanket. The frictional force formed by the vertical pressure restricts the longitudinal movement of the blanket, and the lateral constraint of the inclined side of the triangle restricts the lateral deviation. With the support of the horizontal worktable 412 of the lower positioning table 410, stable positioning is achieved during the blanket conveying process, ensuring printing accuracy.

[0041] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0042] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0043] In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A blanket printing positioning device, characterized by: include, The frame body includes a base plate (101) and two sets of support frames (102) symmetrically perpendicular to the base plate (101); The transmission printing assembly is mounted in parallel between the crossbeams of two sets of support frames (102). The transmission printing assembly includes an active printing roller (201) and a driven pressure roller (202) arranged in parallel. A working channel is formed between the active printing roller (201) and the driven pressure roller (202) for the blanket to pass through and complete the printing. One end of the active printing roller (201) that passes through the support frame (102) is connected to a drive gear (2011). A drive assembly is disposed on the upper surface of the base plate (101) and meshes with a transmission gear (304); The positioning assembly includes a lower positioning platform (410) mounted on the base plate (101) and an upper positioning unit (420) mounted on the support frame (102). The upper positioning unit (420) includes a suspension frame, multiple sets of lateral telescopic components (425) arranged circumferentially on the suspension frame, and an upper and lower telescopic component (426) located at the center of the suspension frame. The upper and lower telescopic component (426) includes a guide rod (4263), action blocks (4261) mounted on both ends of the guide rod (4263), and a triangular block (4264). The multiple sets of lateral telescopic components (425) jointly press the inclined surface of the action block (4261) to drive the guide rod (4263) and the triangular block (4264) to move downward, so as to reduce the gap between the triangular block (4264) and the lower positioning platform (410).

2. The blanket printing positioning apparatus of claim 1, wherein: The lower positioning platform (410) includes two sets of vertically installed support rods (411) and a horizontal worktable (412) grafted onto the two sets of support rods (411). The upper surface of the horizontal worktable (412) is flush with the bottom surface of the working channel, and the horizontal worktable (412) is longer than the width of the blanket.

3. The blanket printing positioning apparatus of claim 2, wherein: The action block (4261) is in the shape of a four-sided pyramid structure, with a pointed top and a flat bottom that is fixedly connected to the top of the guide rod (4263). The triangular block (4264) has an overall elongated wedge-shaped structure, and its length direction is perpendicular to the axial direction of the driven pressure roller (202).

4. The blanket printing positioning device as described in claim 3, characterized in that: The suspension frame includes an upper suspension plate (421) mounted on a support frame (102), a rectangular frame (422) hung on the upper suspension plate (421), a guide rectangular plate (423) on the side of the rectangular frame (422) facing away from the upper suspension plate (421), and multiple sets of positioning vertical plates (424) attached to the four sides of the rectangular frame (422). The multiple sets of the lateral telescopic components (425) correspond to the multiple sets of positioning vertical plates (424).

5. The blanket printing positioning device as described in claim 4, characterized in that: The lateral telescopic assembly (425) includes a lateral sleeve (4251) mounted on a positioning vertical plate (424), a telescopic rod (4252) telescopically extending within the lateral sleeve (4251), and a top ball (4254) connected to one end of the telescopic rod (4252) away from the lateral sleeve (4251). A telescopic spring (4253) is sleeved on the telescopic rod (4252), and the two ends of the telescopic spring (4253) abut against the top ball (4254) and the lateral sleeve (4251) respectively.

6. The blanket printing positioning device as described in claim 5, characterized in that: The drive assembly includes a three-phase asynchronous motor (302), a gearbox (303) connected to the output end of the three-phase asynchronous motor (302) via a flexible coupling, and a transmission gear (304) connected to the output end of the gearbox (303), wherein the transmission gear (304) meshes with the drive gear (2011).

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