A printing soft template laser engraving device

Abstract

The present application belongs to the technical field of printing soft template manufacturing, and particularly relates to a printing soft template laser engraving device. The printing soft template laser engraving device provided by the present application comprises a feeding mechanism, an engraving mechanism and a transfer mechanism; the feeding mechanism separates multiple soft templates arranged in an orderly manner one by one and places them on preset feeding positions; the engraving mechanism has a material loading platform and a laser generator arranged above the material loading platform; the transfer mechanism transfers the soft templates placed on the preset feeding positions to preset engraving positions of the material loading platform, and the laser generator emits laser beams according to a preset program to engrave the soft templates on the material loading platform. The printing soft template laser engraving device provided by the present application realizes automatic separation, transfer and accurate engraving of the soft templates through the synergistic effect of the feeding mechanism, the transfer mechanism and the engraving mechanism, improves the production efficiency and reduces the labor cost.

Description

Technical Field

[0001] This invention belongs to the field of printing soft template manufacturing technology, specifically relating to a laser engraving device for printing soft templates. Background Technology

[0002] Preparing printing templates is an important step in the pre-press process, requiring the use of engraving machines or other plate-making equipment to precisely engrave the patterns, text, etc. to be printed onto the template.

[0003] However, soft templates are thin, have a smooth and flat surface, and possess a certain degree of flexibility. Therefore, when stacked, there are almost no gaps between adjacent soft templates. The adhesive force between the soft templates makes them bonded tightly together. During automated soft template picking, it is easy to pick up multiple soft templates at once, which affects the automated engraving process. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a laser engraving device for printing soft templates.

[0005] The laser engraving device for printing soft templates provided by the present invention includes a feeding mechanism, an engraving mechanism, and a transfer mechanism; the feeding mechanism separates and places one by one multiple neatly stacked soft templates on a preset feeding position; the engraving mechanism has a platform and a laser generator arranged above the platform; the transfer mechanism transfers the soft templates placed on the preset feeding position to the preset engraving position on the platform, and the laser generator emits a laser beam according to a preset program to engrave the soft templates on the platform.

[0006] Furthermore, in the aforementioned laser engraving device for printing soft templates, the transfer mechanism includes a robotic arm and a transfer device disposed at the end of the robotic arm.

[0007] Furthermore, in the aforementioned laser engraving device for printing soft templates, the transfer device includes a rotating bracket and several vacuum transfer suction cups; the rotating bracket is installed at the end of the robotic arm, and the vacuum transfer suction cups are arranged in an array on the rotating bracket.

[0008] Furthermore, in the aforementioned laser engraving device for printing soft templates, the feeding mechanism includes a hopper assembly, a peeling assembly, and a positioning assembly; the hopper assembly holds multiple soft templates neatly stacked, the peeling assembly picks up the soft templates one by one and places them on the positioning assembly; the positioning assembly moves the soft templates to a preset position for the transfer mechanism to pick them up.

[0009] Furthermore, in the aforementioned laser engraving device for printing soft templates, the hopper assembly has a receiving channel for storing soft templates. A feeding conveyor belt is provided at the bottom of the receiving channel, and the direction of travel of the feeding conveyor belt is referred to as forward. Limiting blocks are also provided on the inner walls on both sides of the receiving channel, and a height difference is left between the lower end of the limiting block and the upper surface of the feeding conveyor belt. The feeding conveyor belt moves forward and pushes the soft template group formed by the neatly stacked multiple soft templates until it abuts against the limiting block. The soft template group is placed vertically, and the traveling speed of the feeding conveyor belt is set to be greater than the traveling speed of the soft template group, so that adjacent soft templates in the soft template group generate a separation angle at the bottom.

[0010] Furthermore, in the aforementioned laser engraving device for printing soft templates, an adaptive pressing member is provided within the receiving channel and above the feeding conveyor belt. The pressing member abuts against the rear of the soft template assembly and applies a forward thrust to prevent the soft template assembly from tilting backward.

[0011] Furthermore, in the aforementioned laser engraving device for printing soft templates, the pressure component is slidably mounted on a transverse slide rail and is driven forward by a traction rope, with a weight block suspended at the end of the traction rope to provide traction power.

[0012] Furthermore, in the aforementioned laser engraving device for printing soft templates, the peeling component is located in front of the receiving channel. The peeling component includes a horizontally rotating shaft, a telescopic cylinder fixed on the shaft, a suction cup frame installed at the end of the telescopic cylinder, and a set of second suction cups installed on the suction cup frame. The second suction cups horizontally pick up a soft template from the soft template group and then rotate downwards to place the soft template on the positioning component.

[0013] Furthermore, in the aforementioned laser engraving device for printing soft templates, the positioning component is located in front of the receiving channel; the positioning component includes a forward-moving positioning conveyor belt, a front positioning block located at the front end of the positioning conveyor belt, and side positioning sliders located on both sides of the positioning conveyor belt; the positioning conveyor belt transports the soft template placed on it forward, the front positioning block stops the soft template from moving forward to limit the position of the soft template in the front-back direction, and the side positioning sliders on both sides slide towards the middle and abut against the soft template to limit the lateral position of the soft template.

[0014] Furthermore, in the aforementioned laser engraving device for printing soft templates, the side positioning sliders on both sides are driven to slide by a lead screw pair, and the lead screw rotates at a preset angle so that the minimum distance between the side positioning sliders is consistent with the width of the soft template.

[0015] Beneficial effects

[0016] The laser engraving device for printing soft templates provided by this invention achieves automatic separation, transfer and precise engraving of soft templates through the coordinated action of the feeding mechanism, the transfer mechanism and the engraving mechanism, thereby improving production efficiency and reducing labor costs.

[0017] The laser engraving device for printing flexible stencils provided by this invention employs a feeding mechanism that utilizes the cooperation of a receiving channel, a feeding conveyor belt, limiting blocks, and pressing components. By setting the traveling speed of the feeding conveyor belt to be greater than the traveling speed of the flexible stencil group, a separation angle is created between adjacent flexible stencils at the bottom of the group. This separation angle ensures that the flexible stencils can be individually grasped during the peeling process, preventing them from sticking to or overlapping with adjacent stencils, thus guaranteeing stable feeding by the device.

[0018] The laser engraving device for printing soft templates provided by this invention has an adaptive pressing component that can automatically adjust its position according to the change in the thickness of the soft template assembly, maintaining a stable thrust, thereby improving the stability of material feeding.

[0019] The laser engraving device for printing soft templates provided by the present invention has a positioning component that enables the soft template to be accurately positioned in the front-back and lateral directions, ensuring that the soft template can be accurately transferred to the preset engraving position during the transfer process, thereby improving the transfer accuracy and engraving quality of the soft template. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a laser engraving device for printing soft templates.

[0021] Figure 2 A top view of the laser engraving device for printing soft templates.

[0022] Figure 3 This is a side view of the engraving mechanism.

[0023] Figure 4 This is a schematic diagram of the transfer mechanism.

[0024] Figure 5 This is a schematic diagram of the transfer device.

[0025] Figure 6 and Figure 7 This is a schematic diagram of the material feeding mechanism.

[0026] Figure 8 A schematic diagram showing the state before the soft template is extracted for the peeling component.

[0027] Figure 9 This is a schematic diagram showing the state of the component after the soft template has been extracted.

[0028] Figure 10 This is a schematic diagram of the driving structure of the pressure component.

[0029] Figure 11 and Figure 12 This is a schematic diagram of the positioning component. Detailed Implementation

[0030] The present invention is further illustrated below with specific embodiments. These embodiments are exemplary and intended to illustrate the problem and explain the present invention, and are not intended to be limiting.

[0031] like Figure 1 and Figure 2 The illustrated laser engraving device for printing flexible stencils includes a feeding mechanism 1, an engraving mechanism 2, and a transfer mechanism 3. The feeding mechanism 1 separates multiple neatly stacked flexible stencils one by one and places them at preset feeding positions, providing conditions for accurate transfer by the transfer mechanism 3. The engraving mechanism 2, as shown... Figure 3 As shown, the device includes a stage 21 and a laser generator 22 positioned above the stage 21. A transfer mechanism 3 transfers a soft template placed at a preset feeding position to a preset engraving position on the stage 21. The laser generator 22 emits a laser beam according to a preset program to engrave the soft template on the stage 21. The intensity and speed of the laser beam can be adjusted according to the material and thickness of the soft template to achieve precise engraving. After engraving is complete, the laser generator 22 stops operating.

[0032] like Figure 4 As shown, the transfer mechanism 3 includes a robotic arm 31 and a transfer device 32 disposed at the end of the robotic arm 31. The transfer device 32 is as follows... Figure 5 As shown, the system includes a rotating support 321 and several vacuum transfer suction cups 322. The rotating support 321 is mounted on the end of the robotic arm 31, and the vacuum transfer suction cups 322 are arranged in an array on the rotating support 321. The transfer device 32 is located at the end of the robotic arm 31 and is used for the actual transfer of the soft template. The vacuum transfer suction cups 322 can adsorb the soft template through vacuum, ensuring that the soft template remains firmly attached during movement and preventing damage or detachment.

[0033] like Figure 6 and Figure 7 As shown, the feeding mechanism 1 includes a hopper assembly 11, a stripping assembly 12, and a positioning assembly 13; the hopper assembly 11 contains multiple neatly stacked soft templates, the stripping assembly 12 picks up the soft templates one by one and places them on the positioning assembly 13; the positioning assembly 13 moves the soft templates to a preset position for the transfer mechanism 3 to pick up.

[0034] like Figure 7 , Figure 8 , Figure 9As shown, the hopper assembly 11 has a receiving channel 111 for storing soft templates. A feeding conveyor belt 112 is provided at the bottom of the receiving channel 111, and the traveling direction of the feeding conveyor belt 112 is referred to as forward. Limiting blocks 113 are also provided on the inner walls of both sides of the receiving channel 111, and a height difference is left between the lower end of the limiting block 113 and the upper surface of the feeding conveyor belt 112. The feeding conveyor belt 112 moves forward and pushes the soft template group formed by the neatly stacked multiple soft templates until it abuts against the limiting block 113. The soft template group is placed vertically, and the traveling speed of the feeding conveyor belt 112 is set to be greater than the traveling speed of the soft template group, so that adjacent soft templates in the soft template group will have a separation angle at the bottom. The purpose of the separation angle at the bottom is to facilitate the peeling component 12 to grab a soft template from the soft template group individually, and to prevent the soft templates from being squeezed together during the grabbing process, which would cause multiple soft templates to be grabbed at once.

[0035] like Figure 8 , Figure 9 As shown, an adaptive pressing member 114 is provided within the receiving channel 111 and above the feeding conveyor belt 112. The pressing member 114 abuts against the rear of the soft template assembly and applies a forward thrust to prevent the soft template assembly from tilting backward. The pressing member 114 is plate-shaped, and its angle is set to be vertically adjustable so that it can better fit with the soft template assembly and ensure stability during the feeding process.

[0036] like Figure 10 As shown, the pressure-bearing member 114 is slidably mounted on the transverse slide rail 115 and is driven forward by the traction rope 116. A weight block 117 is suspended at the end of the traction rope 116 to provide traction power. The transverse slide rail 115 is fixedly mounted to support the pressure-bearing member 114, allowing it to slide back and forth along the rail. The traction rope 116 drives the pressure-bearing member 114 forward, and its direction and wiring position can be adjusted by a fixed pulley to achieve a compact layout. One end of the traction rope 116 is connected to the pressure-bearing member 114, and the other end is suspended by the weight block 117 to provide traction power. By adjusting the weight of the weight block 117, the tension of the traction rope 116 can be adjusted, thereby controlling the pressure of the pressure-bearing member 114 against the soft template assembly.

[0037] Since the weight block 117 exerts its gravity from the beginning, the thrust of the pressing member 114 is always approximately equal to the weight of the weight block 117. Therefore, regardless of the different positions to which the pressing member 114 slides forward or backward, it can provide a stable thrust to the soft template assembly. Furthermore, as the thickness of the soft template assembly gradually decreases, the pressing member 114 will adaptively slide forward and continuously apply pressure under traction.

[0038] like Figure 8 , Figure 9As shown, the peeling assembly 12 is located in front of the receiving channel 111. The peeling assembly 12 includes a horizontally rotating shaft 121, a telescopic cylinder 122 fixed on the shaft 121, a suction cup frame 123 installed at the end of the telescopic cylinder 122, and a set of second suction cups 124 installed on the suction cup frame 123. The second suction cup 124 horizontally picks up a piece of soft template from the soft template group and then rotates downwards to place the soft template on the positioning assembly 13. Figure 8 The state shown is the state before the peeling component 12 absorbs the soft template. Figure 9 The image shows the state after the peeling component 12 has picked up the soft template and rotated it downwards by 90°.

[0039] Furthermore, the power source for driving the rotating shaft 121 can be configured according to actual conditions. For example, the rotating shaft 121 can be driven by a servo motor and a synchronous pulley set. The telescopic cylinder 122 can also be configured as a pneumatic telescopic cylinder, a hydraulic telescopic cylinder, etc., as needed, with a pneumatic telescopic cylinder being preferred.

[0040] The positioning component 13 is located in front of the receiving channel 111. For example... Figure 11 , Figure 12 As shown, the positioning component 13 includes a forward-moving positioning conveyor belt 131, a front positioning block 132 disposed at the front end of the positioning conveyor belt 131, and side positioning sliders 133 disposed on both sides of the positioning conveyor belt 131. The positioning conveyor belt 131 conveys the soft template placed on it forward. The front positioning block 132 stops the soft template from moving forward to limit the position of the soft template in the front-back direction. The side positioning sliders 133 on both sides slide towards the middle and abut against the soft template to limit the lateral position of the soft template.

[0041] The side positioning sliders 133 on both sides are driven to slide by a lead screw pair, such as... Figure 12 As shown, the lead screw has threads in opposite directions at positions A and B. When the lead screw rotates, the side positioning sliders 133 on both sides move away from or closer to each other. After the soft template is placed on the conveyor belt 131, the rotation of the lead screw causes the side positioning sliders 133 on both sides to move closer to each other. The lead screw rotates at a preset angle so that the minimum distance between the side positioning sliders 133 is consistent with the width of the soft template, thereby limiting the lateral position of the soft template. In actual use, the minimum distance between the side positioning sliders 133 can be finely adjusted to leave a small gap between the side positioning sliders 133 and the edge of the soft template, preventing the soft template from being clamped and unable to move forward to collide with the front positioning stop 132.

[0042] The positioning component 13 enables each soft template that is separated one by one to travel to a preset position to wait for the transfer mechanism 3, thereby ensuring that the transfer mechanism 3 can accurately pick up and place it accurately on the preset carving position on the platform 21 for precise carving.

[0043] The above embodiments are exemplary and are intended to illustrate the technical concept and features of the present invention, so that those skilled in the art can understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A printed soft stencil laser engraving apparatus, characterized by: It includes a feeding mechanism (1), an engraving mechanism (2), and a transfer mechanism (3); the feeding mechanism (1) separates and places one by one the neatly stacked soft templates on a preset feeding position; the engraving mechanism (2) has a platform (21) and a laser generator (22) arranged above the platform (21); the transfer mechanism (3) transfers the soft templates placed on the preset feeding position to the preset engraving position of the platform (21), and the laser generator (22) emits a laser beam according to a preset program to engrave the soft templates on the platform (21); The feeding mechanism (1) includes a hopper assembly (11), a stripping assembly (12), and a positioning assembly (13); the hopper assembly (11) contains multiple neatly stacked soft templates; the stripping assembly (12) picks up the soft templates one by one and places them on the positioning assembly (13); the positioning assembly (13) moves the soft templates to a preset position for the transfer mechanism (3) to pick them up; The hopper assembly (11) has a receiving channel (111) for storing soft templates. A feeding conveyor belt (112) is provided at the bottom of the receiving channel (111), and the direction of travel of the feeding conveyor belt (112) is referred to as forward. Limiting blocks (113) are also provided on the inner walls on both sides of the receiving channel (111), and a height difference is left between the lower end of the limiting block (113) and the upper surface of the feeding conveyor belt (112). The feeding conveyor belt (112) moves forward and pushes the soft template group formed by the neatly stacked multiple soft templates to abut against the limiting block (113). The soft template group is placed vertically, and the traveling speed of the feeding conveyor belt (112) is set to be greater than the traveling speed of the soft template group, so that adjacent soft templates in the soft template group generate a separation angle at the bottom.

2. The laser engraving device for printing soft templates according to claim 1, characterized in that: The transfer mechanism (3) includes a robotic arm (31) and a transfer device (32) disposed at the end of the robotic arm (31).

3. The laser engraving device for printing soft templates according to claim 2, characterized in that: The transfer device (32) includes a rotating bracket (321) and a plurality of vacuum transfer suction cups (322); the rotating bracket (321) is mounted on the end of the robotic arm (31), and the vacuum transfer suction cups (322) are arranged in an array on the rotating bracket (321).

4. The laser engraving device for printing soft templates according to claim 1, characterized in that: An adaptive pressing member (114) is provided inside the receiving channel (111) and above the feeding conveyor belt (112). The pressing member (114) abuts against the rear of the soft template group and applies a forward thrust to prevent the soft template group from tilting backward.

5. The laser engraving device for printing soft templates according to claim 4, characterized in that: The pressing member (114) is slidably mounted on the transverse slide rail (115) and is driven to slide forward by the traction rope (116). A weight block (117) is suspended at the end of the traction rope (116) to provide traction power.

6. The laser engraving device for printing soft templates according to claim 1, characterized in that: The peeling assembly (12) is located in front of the receiving channel (111). The peeling assembly (12) includes a horizontally rotating shaft (121), a telescopic cylinder (122) fixed on the shaft (121), a suction cup frame (123) installed at the end of the telescopic cylinder (122), and a set of second suction cups (124) installed on the suction cup frame (123). The second suction cup (124) horizontally picks up a piece of soft template from the soft template group and then rotates downwards to place the soft template on the positioning assembly (13).

7. The laser engraving device for printing soft templates according to claim 1, characterized in that: The positioning component (13) is located in front of the receiving channel (111); the positioning component (13) includes a forward-moving positioning conveyor belt (131), a front positioning block (132) located at the front end of the positioning conveyor belt (131), and side positioning sliders (133) located on both sides of the positioning conveyor belt (131); the positioning conveyor belt (131) conveys the soft template placed on it forward, the front positioning block (132) stops the soft template from moving forward to limit the position of the soft template in the front-back direction, and the side positioning sliders (133) on both sides slide towards the middle and abut against the soft template to limit the lateral position of the soft template.

8. The laser engraving device for printing soft templates according to claim 7, characterized in that: The side positioning sliders (133) on both sides are driven to slide by a lead screw pair. The lead screw rotates at a preset angle so that the minimum distance between the side positioning sliders (133) is consistent with the width of the soft template.

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