Pre-pressing type automatic three-dimensional ironing and shaping device for knitted mask

Abstract

The utility model provides a pre-pressing type automatic three-dimensional ironing and shaping device for a knitted mask, which relates to the technical field of mask production devices and comprises a workbench, a pre-pressing component and an ironing and shaping component. The pre-pressing assembly and the material collecting assembly are located on the two sides of the ironing and shaping assembly correspondingly. The ironing and shaping assembly comprises an upper mold block and a lifting driving module. The pre-pressing assembly comprises a driving pre-pressing roller and a driven pre-pressing roller which are provided with pre-pressing protruding blocks and pre-pressing grooves respectively. The material collecting assembly comprises a material collecting driving motor which is arranged at the end of a material collecting roller and drives the material collecting roller to rotate. The machine has the advantages that the material collecting assembly can drive knitted mask pieces which are connected into a strip shape to continuously pass through the pre-pressing assembly and the ironing and shaping assembly, the pre-pressing assembly presses pre-pressing marks on the knitted mask, and the ironing and shaping assembly can iron the pre-pressing marks through shaping protruding blocks and shaping grooves on an upper die block and a lower die block. Therefore, automatic and continuous ironing and shaping of the knitted mask are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of mask production devices, in particular to a pre-pressed knitted mask automatic three-dimensional ironing and shaping device. Background Art

[0002] The three-dimensional mask adopts a three-dimensional structure design that matches the shape of the face, so as to eliminate the gap between the mask and the sides such as the nose, cheeks and chin. The production process of the three-dimensional mask requires making a shape that matches the human face in the middle of the knitted mask sheet. This process is usually completed by a straightening and shaping device. The loading and unloading of the existing straightening and shaping device mostly requires manual work (for example, the "three-dimensional straightening and shaping device for knitted masks" disclosed in the patent with application number 2023230560064). The straightening and shaping device for manual feeding consumes more manpower, which is not conducive to reducing the production cost of the mask; the automatic transmission structure of the knitted mask is set on the basis of the manual feeding and straightening and shaping device to realize the automatic production process of the straightening and shaping of the three-dimensional mask material, thereby solving the problem of excessive manpower consumption in the straightening and shaping process of the three-dimensional mask, but the current automatic transmission structure of the mask makes it difficult for the knitted mask to be accurately positioned in the shaping mold of the three-dimensional straightening and shaping device. Utility Model Content

[0003] In view of this, in order to solve the problem that the automatic transmission structure of knitted masks is difficult to accurately position the knitted mask pieces on the shaping mold, so that the ironing and shaping device can automatically complete the three-dimensional ironing and shaping process of the knitted masks, the utility model provides a pre-pressed knitted mask automatic three-dimensional ironing and shaping device, including a workbench, a pre-pressing component, a material receiving component and an ironing and shaping component;

[0004] The ironing and shaping component is fixed on the workbench, the pre-pressing component and the material receiving component are respectively located on both sides of the ironing and shaping component, and the ironing and shaping component includes an upper mold block and a lower mold block for ironing and shaping the knitted mask piece to be shaped, and a lifting drive module for driving the upper mold block to rise and fall;

[0005] The pre-pressing assembly comprises an active pre-pressing roller and a driven pre-pressing roller, the active pre-pressing roller and the driven pre-pressing roller are respectively provided with a pre-pressing convex block and a pre-pressing groove, the end of the active pre-pressing roller is connected to a pre-pressing driving motor for driving the active pre-pressing roller to rotate, and the pre-pressing convex block and the pre-pressing groove correspond to each other;

[0006] The receiving assembly comprises a receiving roller, and a receiving drive motor for driving the receiving roller to rotate is provided at the end of the receiving roller;

[0007] The knitted mask piece to be shaped is connected to form a knitted mask piece belt through a connecting rope, the end of the knitted mask piece belt is fixed on the receiving roller, and the knitted mask piece belt passes through the gap between the active pre-pressing roller and the driven pre-pressing roller.

[0008] Furthermore, the pre-stressing assembly also includes a pre-stressing bracket, the active pre-stressing roller and the driven pre-stressing roller are rotatably supported on the pre-stressing bracket relative to each other, the pre-stressing drive motor is fixed on the workbench, and the pre-stressing drive motor is connected to the active pre-stressing roller.

[0009] Furthermore, the material receiving assembly also includes two rotating supports, wherein both ends of the material receiving roller are provided with material receiving shafts, and the two material receiving shafts are rotatably supported on the rotating supports respectively.

[0010] Furthermore, each rotating support is provided with a rotation limit groove, and the two material receiving shafts can be rotatably supported in the two rotation limit grooves respectively. Each rotating support is provided with a fixed cover body, and the fixed cover body is fixed to the top of the rotating support in a detachable manner. The fixed cover body fixes the material receiving shaft in the rotation limit groove.

[0011] Furthermore, a shaping groove is provided on the lower surface of the upper mold block, a shaping convex block is provided on the upper surface of the lower mold block, a steam cavity is provided inside the upper mold block, and a steam hole communicating with the steam cavity is provided at the bottom of the shaping groove.

[0012] Furthermore, the ironing and setting component also includes a steam generator, and the steam generator is connected to the steam chamber through a steam conduit.

[0013] Furthermore, the shaping protrusion has a plurality of steam recovery holes.

[0014] Furthermore, a liquid collecting chamber is provided in the lower mold block, and the steam recovery hole is communicated with the liquid collecting chamber.

[0015] Furthermore, the lower mold block is provided with a liquid drain port, and the liquid drain port is communicated with the liquid collecting cavity.

[0016] Furthermore, the lifting drive module includes a lifting bracket and a lifting cylinder fixed on the lifting bracket, and the telescopic shaft of the lifting cylinder is connected to the upper mold block.

[0017] The utility model discloses a pre-pressing type knitted mask automatic three-dimensional ironing and shaping device with beneficial effects as follows: the device comprises a workbench, a pre-pressing component, and an ironing and shaping component; the ironing and shaping component is fixed on the workbench, the pre-pressing component and the material receiving component are respectively located on both sides of the ironing and shaping component, the ironing and shaping component comprises an upper mold block and an upper mold block and a lifting drive module for driving the upper mold block to rise and fall; the pre-pressing component comprises an active pre-pressing roller and a driven pre-pressing roller, the active pre-pressing roller and the driven pre-pressing roller are respectively provided with a pre-pressing protrusion and a pre-pressing groove, the material receiving component comprises a material receiving drive motor provided at the end of the material receiving roller for driving the material receiving roller to rotate. The receiving component can drive the knitted mask pieces connected in a strip shape through the receiving roller to pass through the pre-pressing component and the ironing and shaping component, wherein the pre-pressing component can automatically press pre-indentation on the knitted mask passing through the gap between the two through the pre-pressing protrusion and the pre-pressing groove, and the ironing and shaping component can iron the pre-indentation through the shaping protrusion and shaping groove on the upper and lower mold blocks, so that the pre-indentation is ironed and shaped, thereby realizing automatic and continuous ironing and shaping of the knitted mask. In the above process, the pre-indentation pressed by the pre-pressing component can ensure that the knitted mask can be aligned with the shaping protrusion when the shaping protrusion and the shaping groove are closed, and ensure the accurate positioning of the knitted mask during three-dimensional ironing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic structural diagram of a pre-pressed knitted mask automatic three-dimensional ironing and shaping device in operation.

[0019] Figure 2 The utility model is a top view of a pre-pressed knitted mask automatic three-dimensional ironing and shaping device in operation.

[0020] Figure 3 It is a schematic diagram of an upper mold block of a pre-pressed knitted mask automatic three-dimensional ironing and shaping device and a knitted mask sheet 7 for ironing and shaping by the upper mold block in an embodiment of the utility model.

[0021] In the above figure: 1-workbench, 2-base plate, 21-upper mold block, 22-lower mold block, 23-molding protrusion, 3-lifting cylinder, 31-lifting bracket, 4-steam generator, 41-steam duct, 5-pre-pressing bracket, 51-active pre-pressing roller, 52-pre-pressing protrusion, 53-driven pre-pressing roller, 54-pre-pressing groove, 55-pre-pressing drive motor, 6-collecting roller, 61-rotating support, 62-fixed cover body, 63-collecting drive motor, 7-knitted mask piece, 8-connecting rope. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the implementation mode of the utility model will be further described below in conjunction with the accompanying drawings.

[0023] Please refer to Figures 1 to 3The utility model discloses a pre-pressed knitted mask automatic three-dimensional ironing and shaping device, comprising a workbench 1, a pre-pressing component, a material receiving component and an ironing and shaping component;

[0024] The ironing and shaping component is fixed on the workbench 1, the pre-pressing component and the receiving component are respectively located on both sides of the ironing and shaping component, and the ironing and shaping component includes an upper mold block 21, a lower mold block 22, a lifting drive module and a steam generator 4, the upper surface of the lower mold block 22 is provided with a shaping protrusion 23, the upper surface of the upper mold block 21 is provided with a shaping groove, the shaping groove and the shaping protrusion 23 match, and the two can be buckled. A steam cavity is provided in the upper mold block 21, and a steam hole connected to the steam cavity is provided at the bottom of the shaping groove. The steam generator 4 is connected to the upper mold block 21 through a steam conduit, and the lifting drive module is used to drive the upper mold block 21 to descend, so that the shaping groove and the shaping protrusion 23 are buckled and pressed against the knitted mask sheet 7, and the steam generator 4 is used to pass high-temperature steam into the steam cavity in the upper mold block, so that the knitted mask sheet 7 is three-dimensionally shaped under the compression and high-temperature steam ironing process.

[0025] The pre-stressing assembly includes an active pre-stressing roller 51 and a driven pre-stressing roller 53, and the active pre-stressing roller 51 and the driven pre-stressing roller 53 are respectively provided with a pre-stressing protrusion 52 and a pre-stressing groove 54, and the end of the active pre-stressing roller is connected to a pre-stressing drive motor 55 for driving the active pre-stressing roller 51 to rotate, and the pre-stressing drive motor 55 is fixed on a workbench, and the pre-stressing drive motor 55 is connected to the active pre-stressing roller 51, and the surfaces of the active pre-stressing roller 51 and the driven pre-stressing roller 53 are in contact, and the active pre-stressing roller 51 can drive the driven pre-stressing roller 53 to rotate through friction, and the knitted mask piece 7 passes between the pre-stressing drive motor 55 and the active pre-stressing roller 51, and the pre-stressing protrusion 52 and the pre-stressing groove 54 can cooperate to press out a pre-pressing mark on the knitted mask piece 7 that matches the shaping protrusion 23, so that the knitted mask piece 7 can be accurately positioned on the shaping protrusion 23.

[0026] The receiving assembly includes a receiving roller 6 and a receiving drive motor 63, and the end of the receiving roller is connected to the receiving drive motor 63; the receiving roller 6 is rotatably arranged on the workbench 1, and the receiving drive motor 63 is used to drive the receiving roller 6 to rotate, and a plurality of knitted mask sheets 7 to be shaped are connected into a belt-shaped knitted mask sheet belt by a connecting rope 8, and the knitted mask sheet belt is rolled and arranged in the feeding device, and the end of the knitted mask sheet belt is fixed on the receiving roller 6, and the rotation of the receiving roller can drive the knitted mask sheet 7 to be shaped to move toward the receiving roller. In the above process, the knitted mask sheet belt passes through the gap between the active pre-pressing roller 51 and the driven pre-pressing roller 53, and the upper mold block 21 and the upper mold block 22 are respectively located above and below the knitted mask sheet 7, and the pre-pressing assembly and the ironing and shaping assembly pre-press and iron and shape it respectively, so that the automatic three-dimensional ironing and shaping device can continuously and automatically complete the automatic three-dimensional ironing and shaping process of the knitted mask.

[0027] Preferably, the pre-stressing assembly also includes a pre-stressing bracket 5, the active pre-stressing roller 51 and the driven pre-stressing roller 53 are supported on the pre-stressing bracket 5 so as to be rotatable relative to each other up and down, the pre-stressing drive motor 55 is fixed on the workbench 1, and the pre-stressing drive motor 55 is connected to the active pre-stressing roller 51.

[0028] Preferably, the material receiving assembly also includes two rotating supports 61, wherein both ends of the material receiving roller 6 are provided with material receiving shafts, and the two material receiving shafts are respectively rotatably supported on the rotating supports 61, and each rotating support 61 is provided with a rotation limit groove, and the two material receiving shafts are respectively rotatably supported on the two rotation limit grooves, and each rotating support 61 is provided with a fixed cover body 62, and the fixed cover body 62 is detachably fixed to the top of the rotating support 61, and the fixed cover body 62 fixes the material receiving shaft in the rotation limit groove. In this embodiment, the fixed cover body 62 is fixed to the top of the rotating support 61 by screws, so that the material receiving roller 6 can be removed from the rotating support 61, so that the knitted mask piece 7 wrapped on the material receiving roller 6 can be quickly detached from the material receiving roller 6.

[0029] Preferably, the shaping protrusion 23 also has a plurality of steam recovery holes. The lower mold block 22 also has a liquid collecting chamber, and the steam recovery hole is connected to the liquid collecting chamber. The lower mold block 22 is provided with a liquid discharge port, and the liquid discharge port is connected to the liquid collecting chamber. The steam recovery hole recovers part of the steam discharged from the steam hole to prevent the knitted mask sheet 7 from being too wet, and the liquid collecting chamber is used to store water liquefied from the steam recovered by the steam recovery hole.

[0030] Preferably, the lifting drive module comprises a lifting bracket 31 and a lifting cylinder 3 fixed on the lifting bracket 31, the telescopic shaft of the lifting cylinder 3 is connected to the upper mold block 21, and the lifting cylinder 3 is used to drive the upper mold block to rise and fall.

[0031] Preferably, a base plate 2 is further provided on the workbench 1 , and the lower mold block 22 is fixed on the workbench 1 . The base plate 2 is used to adjust the installation height of the lower mold block 22 .

[0032] The working process of the automatic three-dimensional ironing and shaping device for a pre-pressed knitted mask of the utility model is as follows: the three-dimensional ironing and shaping device is used in conjunction with a feeding device for a strip-shaped knitted mask piece 7 when working; the end of the rolled strip-shaped knitted mask piece 7 in the feeding device is fixed on a receiving roller 6, and the active pre-pressing roller 51 and the receiving roller 6 rotate synchronously, driving the knitted mask piece 7 to move toward the receiving roller 6, and the knitted mask pieces 7 connected in a strip shape pass through the gap between the active pre-pressing roller 51 and the driven pre-pressing roller 53 one by one; in this process, the active pre-pressing roller 51 drives the driven pre-pressing roller 53 to rotate synchronously through the friction force on its surface, and the pre-pressing protrusion 52 on the surface of the active pre-pressing roller 51 and the pre-pressing groove 54 on the surface of the driven pre-pressing roller 53 press the knitted mask piece 7 into a shape identical to that of the pre-pressing protrusion 52 Three-dimensional pre-indentation; the knitted mask piece 7 continues to move toward the receiving roller 6 after the pre-indentation is pressed out. When the pre-indentation of the knitted mask piece 7 is just above the shaping protrusion of the lower mold block, the active pre-pressing roller 51 and the receiving roller 6 stop rotating. At this time, the lifting cylinder 3 drives the upper mold block to press down, and the shaping protrusion and the shaping groove are just closed and pressed tightly. At the same time, the steam generator sprays high-temperature steam to the upper mold block 21, and the high-temperature steam overflows from the steam hole to perform three-dimensional ironing and shaping of the knitted mask piece 7; then the lifting cylinder 3 drives the upper mold block 21 to reset, and the active pre-pressing roller 51 and the receiving roller 6 rotate synchronously again, and the knitted mask piece 7 is wound around the receiving roller 6. The above process is performed continuously. The three-dimensional ironing and shaping device can perform a continuous and automatic three-dimensional ironing and shaping process on the knitted mask piece 7.

[0033] In this document, the directional words such as front, back, top, and bottom are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the directional words should not limit the scope of protection claimed in this application.

[0034] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pre-pressed knitted mask automatic three-dimensional ironing and shaping device, characterized in that: It includes a workbench, a pre-pressing component, a material receiving component, and an ironing and shaping component; The ironing and shaping component is fixed on the workbench, the pre-pressing component and the material receiving component are respectively located on both sides of the ironing and shaping component, and the ironing and shaping component includes an upper mold block and a lower mold block for ironing and shaping the knitted mask piece to be shaped, and a lifting drive module for driving the upper mold block to rise and fall; The pre-pressing assembly comprises an active pre-pressing roller and a driven pre-pressing roller, the active pre-pressing roller and the driven pre-pressing roller are respectively provided with a pre-pressing convex block and a pre-pressing groove, the end of the active pre-pressing roller is connected to a pre-pressing driving motor for driving the active pre-pressing roller to rotate, and the pre-pressing convex block and the pre-pressing groove correspond to each other; The material receiving assembly comprises a material receiving roller, and a material receiving driving motor for driving the material receiving roller to rotate is arranged at the end of the material receiving roller.

2. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 1, characterized in that: The pre-pressing assembly also includes a pre-pressing bracket, the active pre-pressing roller and the driven pre-pressing roller are rotatably supported on the pre-pressing bracket, the pre-pressing drive motor is fixed on the workbench, and the pre-pressing drive motor is connected to the active pre-pressing roller.

3. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 1, characterized in that: The material receiving assembly also includes two rotating supports, wherein both ends of the material receiving roller are provided with material receiving shaft rods, and the two material receiving shaft rods are rotatably supported on the rotating supports respectively.

4. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 3, characterized in that: Each rotating support is provided with a rotating limit groove, and the two material receiving shafts can be rotatably supported in the two rotating limit grooves respectively. Each rotating support is provided with a fixed cover body, and the fixed cover body is fixed to the top of the rotating support in a detachable manner. The fixed cover body fixes the material receiving shaft in the rotating limit groove.

5. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 1, characterized in that: The lower surface of the upper mold block is provided with a shaping groove, the upper surface of the lower mold block is provided with a shaping convex block, a steam cavity is provided in the upper mold block, and a steam hole communicating with the steam cavity is provided at the bottom of the shaping groove.

6. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 5, characterized in that: The ironing and setting component also includes a steam generator, and the steam generator is connected to the steam chamber through a steam conduit.

7. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 5, characterized in that: The shaping protrusion is also provided with a plurality of steam recovery holes.

8. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 7, characterized in that: The lower mold block also has a liquid collecting cavity, and the steam recovery hole is communicated with the liquid collecting cavity.

9. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 8, characterized in that: The lower mold block is provided with a liquid discharge port, and the liquid discharge port is communicated with the liquid collecting cavity.

10. The pre-pressed knitted mask automatic three-dimensional ironing and shaping device according to claim 1, characterized in that: The lifting drive module comprises a lifting bracket and a lifting cylinder fixed on the lifting bracket, and a telescopic shaft of the lifting cylinder is connected to the upper mold block.

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