Glue-free composite embossing machine

Abstract

The present invention relates to the field of paper towel production and processing equipment, and in particular to a glue-free composite embossing machine, comprising a machine platform, a first supporting end portion and a second supporting end portion arranged on the machine platform, a conveying mechanism arranged on the first supporting end portion, and a composite embossing mechanism arranged on the second supporting end portion, wherein the conveying mechanism is used to transport stacked facial tissues to the composite embossing mechanism for hot pressing and forming, thereby solving the technical problem that the existing composite embossing machine, when applied in the field of sanitary paper towel production, needs to apply chemical adhesives to assist in bonding during the pressing process, thereby resulting in low hygiene indicators of the finished product in the later stage and limited application scenarios.

Description

Technical Field

[0001] The invention relates to the technical field of paper towel production and processing equipment, in particular to a glue-free composite embossing machine. Background Art

[0002] The embossing machine is a highly efficient sewing and embossing equipment, which is mainly used for embossing, bubble pressing, wrinkling and trademark pressing on various fabrics. It can also be used for trademark pressing on non-woven fabrics, coatings, artificial leather, paper, aluminum plates, simulating leather patterns and various shades of patterns and designs.

[0003] When the embossing machine is used in the field of paper towel embossing, due to the special material of the embossing raw material, its working principle is completely different from non-woven fabrics and other fabrics, leather-like materials with good ductility, and metal-like pressure-resistant materials. The paper towel raw material itself has basically zero ductility and is not resistant to compression, has poor tensile resistance, and is fragile. The development direction of paper towels generally tends to reduce the use of chemical bonding or other bonding technologies to ensure the continuous improvement of its hygiene and safety performance, so that it can adapt to a richer range of application scenarios.

[0004] The invention patent of Chinese patent application No. 202311477836.6 discloses a sheet printing glue-free embossing composite machine, which relates to the technical field of glue-free embossing composite machines, including a main embossing steel roller, a main embossing rubber roller is arranged on the top of the main embossing steel roller, an inking rubber roller is arranged on the left side of the main embossing steel roller, an anilox roller is arranged on the left side of the inking rubber roller, an ink tray is arranged at the bottom of the inking rubber roller and at the bottom of the anilox roller, a composite light wheel is arranged at the bottom and near the right side of the bottom of the main embossing steel roller, an auxiliary embossing steel roller is arranged at the lower right side of the composite light wheel, and the bottom of the auxiliary embossing steel roller is arranged A secondary embossing rubber roller is provided, and a paper spreading roller is provided on the upper left of the main embossing rubber roller and the lower left of the secondary embossing rubber roller, and sheets are provided on the periphery of the paper spreading roller. The invention can effectively simplify the production process of colored and patterned paper towels through design, and can be more beautiful; however, in the actual production and use process of the technical solution proposed in the above invention, since it does not explain the specific structure of the glue-free application, it is still necessary to apply adhesive during the production process to bond the surface layer of the paper towel, and embossing is only used as an auxiliary composite means, so the produced sheets or paper towels still cannot meet the high-demand usage scenarios. Summary of the invention

[0005] Therefore, in response to the above problems, the present invention proposes a glue-free composite embossing machine, which solves the technical problem that the existing composite embossing machine, when used in the field of sanitary paper towel production, needs to apply chemical adhesives to assist bonding during the lamination process, resulting in low hygiene indicators of the finished product and limited application scenarios.

[0006] To achieve the above object, the present invention adopts the following technical scheme: a glue-free composite embossing machine, comprising a machine platform, a first supporting end portion and a second supporting end portion arranged on the machine platform, a conveying mechanism arranged on the first supporting end portion, and a composite embossing mechanism arranged on the second supporting end portion, wherein the conveying mechanism is used to convey the stacked face paper to the composite embossing mechanism for hot pressing and forming;

[0007] The conveying mechanism includes a rotating motor, a material storage roller, and a pushing mechanism. The material storage roller rotates under the drive of the rotating motor and feeds the material to the composite embossing mechanism. The pushing mechanism is used to make the material storage roller vibrate intermittently.

[0008] The composite embossing mechanism includes a conveying trough opened on the second supporting end, an input conveying roller, an output conveying roller, a supporting stand, an embossing bottom plate and an embossing top plate that cooperate with each other, the input conveying roller is arranged on the side of the conveying trough close to the conveying mechanism, the output conveying roller is arranged on the side of the conveying trough away from the conveying mechanism, the embossing bottom plate is arranged in the conveying trough between the input conveying roller and the output conveying roller, the embossing top plate is arranged on the supporting stand and suspended directly above the embossing bottom plate, and it rises and falls up and down under the guidance of the supporting stand, approaches or moves away from the embossing bottom plate, a first embossing forming part is arranged on a side surface of the embossing bottom plate close to the embossing top plate, and a second embossing forming part is arranged on a side surface of the embossing top plate close to the embossing bottom plate, and the surface layers of the surface paper are compounded and embossed by the mutual cooperation of the first embossing forming part and the second embossing forming part.

[0009] Furthermore, a pushing cavity is provided in the material storage roller, and a movable telescopic rod is provided on the first supporting end portion. The pushing mechanism includes a plurality of arc-shaped grooves arranged around the inner circumferential surface of the pushing cavity and a plurality of arc-shaped elastic protrusions arranged around the outer circumferential surface of the movable telescopic rod. The arc-shaped elastic protrusions shrink inwardly under external force and return to their original state after losing force, and the movable telescopic rod extends outwardly into the pushing cavity or retracts inwardly to leave the pushing cavity.

[0010] Furthermore, when the movable telescopic rod enters the pushing cavity, the arc-shaped elastic protrusion cooperates with the arc-shaped groove, and along with the rotation of the storage roller, the cooperation mode of each arc-shaped elastic protrusion and each arc-shaped groove is intermittent.

[0011] Furthermore, the embossed bottom plate and the embossed top plate are both integrated with heating devices, and the pressing method between the two is hot pressing.

[0012] Furthermore, the first embossing forming part is a groove body with a circular horizontal cross-section, the inner circumferential side surface of the first embossing forming part is an arc-shaped structure, the second embossing forming part is a convex part with a circular horizontal cross-section, the second embossing forming part includes a first forming block and a second forming block which are mutually nested, a first mounting cavity is provided in the first forming block, the second forming block is provided in the first mounting cavity, a spring is provided in the first mounting cavity, one end of the spring is fixedly connected to the lower bottom surface of the first mounting cavity, and the other end is fixedly connected to the second forming block.

[0013] Furthermore, a second mounting cavity is provided in the second molding block, and the spring connects the first mounting cavity and the second mounting cavity respectively. Through the elastic action of the spring, under the action of external force, the first molding block and the second molding block perform relative elastic movement along the same axis.

[0014] Furthermore, a first groove is arranged on the outer circumferential side surface of the first installation cavity, and a second groove is arranged on the outer circumferential side surface of the second molding block. When the first molding block is moved toward the second molding block by external force and the second molding block is completely received in the first installation cavity, the first groove and the second groove overlap with each other.

[0015] Furthermore, a metal elastic pressure rod is fixedly provided on the upper top surface of the second mounting cavity, and an arc-shaped elastic push block is provided at the free end of the metal elastic pressure rod, and the arc surface of the arc-shaped elastic push block is consistent with the inner circumferential side surface of the first embossed forming part. The metal elastic pressure rod moves around under the force, and the arc-shaped elastic push block extends outward through the first groove and the second groove to abut against the inner circumferential side surface of the first embossed forming part.

[0016] Furthermore, a guide groove is provided on the inner bottom surface of the first installation cavity, and the guide groove takes the center of the first installation cavity as the starting point and extends radially to the surrounding areas. A movable ball is provided on the metal elastic pressure rod. When the first forming block and the second forming block are in contact with each other, the metal elastic pressure rod moves downward, and the movable ball is embedded in the guide groove and positions the metal elastic pressure rod under the action of the guide groove.

[0017] Furthermore, the second embossing forming part rotates 360 degrees along its own axis on a horizontal plane.

[0018] By adopting the above technical solution, the beneficial effects of the present invention are:

[0019] 1. Compared with the existing glue-free composite embossing machine, the present invention can truly get rid of the use of chemical adhesives and only use hot pressing for composite. At the same time, the innovative pressing part is directly formed as the embossing part of the facial tissue, which improves the aesthetics and the matching degree between the surface layers. Specifically, in the glue-free composite embossing machine proposed in the present invention, the surface layers after preliminary stacking are transmitted by a conveying mechanism, and then the finished facial tissue paper after hot pressing and composite molding by the composite embossing mechanism can achieve stable matching and non-separation between the surface layers, thereby ensuring stability during use. A pushing mechanism is provided on the conveying mechanism. The pushing mechanism has the advantage of being able to vibrate the storage roller, and the vibration is not continuous vibration, but intermittent vibration. The effect brought by the intermittent vibration is that the surface layer of the facial tissue paper that was originally simply stacked can be vibrated and sorted during the transportation process. The surface layer of the facial tissue stored on the storage roller is in a wet state. The wet state is to make it have a certain flexibility and better tensile resistance during the transportation process. At the same time, the wet state can ensure that the various surface layers adhere to each other. In this process, the wet state is only due to the effect of distilled water without adding any chemical adhesives such as glue. The intermittent vibration ensures that the wet and overlapped surface layers can be separated and adhered to each other during the vibration process. When separated, the relative positions can be fine-tuned to make the edges of the various surface layers smoother. The composite embossing mechanism in the present invention mainly embosses the surface of the facial tissue. The embossing forming part is different from the conventional one that only has an aesthetic effect. The embossing forming part produced in the present invention also serves as a connecting part between the surface layers, making the connection between the surface layers of the facial tissue more stable.

[0020] 2. In the present invention, the vibration of the storage roller is mainly generated by providing a push cavity in the storage roller, and an arc-shaped groove is provided in the push cavity. The movable telescopic rod penetrates into the push cavity, so that the arc-shaped elastic protrusion on the outer circumferential side of the movable telescopic rod cooperates with the arc-shaped groove to generate vibration. This vibration mode is transmitted from the inside to the outside to the entire storage roller, overcoming the technical problem that it is difficult to directly add a vibration motor to the storage roller in the prior art. At the same time, the vibration generated by the scheme can flexibly control the vibration interval, ensuring that the vibration is generated only when the movable telescopic rod extends into the push cavity, and the movable telescopic rod can be completely separated. The service life of each of the two is also guaranteed during actual use. The vibration generated by the cooperation of the two is generated by the cooperation of a purely mechanical structure, which to a certain extent avoids equipment failures caused by too many electrical equipment.

[0021] 3. In the present invention, the embossed bottom plate and the embossed top plate are laminated to form each surface layer of the facial tissue by heat pressing. Heat pressing can be used to bake the facial tissue at high temperature to dry the originally wet facial tissue and reduce the time for later baking and rolling. Heat pressing can also be used to entangle the fluff fibers between the surface layers of the facial tissue. The principle is that the fibers will curl and entangle under high temperature, and the fibers between the upper and lower surface layers will entangle with each other during the curling process, thus achieving the first composite process between the surface layers.

[0022] 4. The embossed top plate and the embossed bottom plate in the present invention are respectively provided with a first embossing forming part and a second embossing forming part, wherein the first embossing forming part is an arc-shaped structure with an inner circumferential side surface being concave, and the second embossing forming part cooperates with the first embossing forming part for hot pressing, thereby ensuring that the surface layers are not simply hot-embossed, but have a novel arc-shaped snap-fitting structure at the edge, that is, each embossed part on the facial tissue is a snap-fitting part, and the second composite process is performed on each surface layer of each facial tissue in a mutually snap-fitting manner. Combined with the effect of the first composite process, the facial tissue achieves stable coordination between each surface layer.

[0023] 5. In order to ensure that the surface layers of the facial tissue paper will not be pulled and damaged during the pressing process, the first embossing forming part and the second embossing forming part of the present invention cooperate with each other, and the segmented hot pressing forming method is used to avoid this problem. That is, when the first embossing forming part cooperates with the second embossing forming part, a large-area contact method is first performed to make the second embossing forming part contact the surface layer of the facial tissue paper with a large area. The large-area contact method can maximize the contact area of ​​the surface layer of the facial tissue paper and avoid the embossing part from being pulled and broken. Then, when the second embossing forming part enters the first embossing forming part, the second embossing forming part is in contact with the surface layer of the facial tissue paper. The second embossing forming part is engaged with the first embossing forming part, and the second molding block in the second embossing forming part extends outward under the action of external force, and the metal elastic pressure rod in the second embossing block drives the arc-shaped elastic pushing block at the end of its free end to extend outward to abut against the inner circumferential side of the first embossing forming part, thereby achieving the concave arc-shaped composite molding of the embossed part of the tissue paper. When the second embossing forming part leaves the first embossing forming part after completing the hot-pressing composite, the metal elastic pressure rod and the arc-shaped elastic pushing block retract inward to restore their original state under the action of their own elastic force, and will not cause mechanical interference to the entire hot-pressing composite process.

[0024] 6. In the present invention, a guide groove is provided in the first installation cavity and a movable ball is provided on the metal elastic pressure rod, the main purpose of which is to ensure that the travel of the metal elastic pressure rod can be fixed through the cooperation of the guide groove and the movable ball during the metal elastic deformation.

[0025] 7. During the operation of the second embossing forming part of the present invention, the arc-shaped elastic push block can be rotated as a whole for a short distance when it abuts against the inner circumferential side of the first embossing forming part, so that the arc surface forming of the embossing part on the facial tissue can be smoother and more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the side structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the coordination structure between the storage roller and the movable telescopic rod of the present invention;

[0030] Figure 4 This is a schematic diagram of the matching structure of the embossed top plate and the embossed bottom plate of the present invention;

[0031] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0032] Figure 6 Schematic diagram of the internal structure of the second embossing forming part of the present invention (the metal elastic pressure rod is not shown);

[0033] Figure 7 This is a schematic diagram of the internal structure of the second embossing block of the present invention;

[0034] Figure 8 It is a top view of the internal structure of the first embossing block of the present invention. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0036] See also Figure 1-Figure 8 The present invention provides a glue-free composite embossing machine, comprising a machine platform 1, a first supporting end 2 and a second supporting end 3 arranged on the machine platform 1, a conveying mechanism 5 arranged on the first supporting end 2, and a composite embossing mechanism 4 arranged on the second supporting end 3, wherein the conveying mechanism 5 is used to convey the stacked face paper 6 to the composite embossing mechanism 4 for hot pressing and forming;

[0037] The conveying mechanism 5 includes a rotary motor, a material storage roller 51, and a push mechanism. The material storage roller 51 is driven by the rotary motor to rotate and feed the material to the composite embossing mechanism 4. The push mechanism is used to make the material storage roller 51 vibrate intermittently. The rotary motor drives the material storage roller 51 to rotate according to a known principle. The structure of the rotary motor is not shown in the figure, which is a known device.

[0038] The composite embossing mechanism 4 includes a conveying groove 41 opened on the second supporting end 3, an input conveying roller 42, an output conveying roller 43, a supporting stand 44, an embossing bottom plate 45 and an embossing top plate 46 that cooperate with each other, the input conveying roller 42 is arranged on the side of the conveying groove 41 close to the conveying mechanism 5, the output conveying roller 43 is arranged on the side of the conveying groove 41 away from the conveying mechanism 5, the embossing bottom plate 45 is arranged in the conveying groove 41 between the input conveying roller 42 and the output conveying roller 43, The embossed top plate 46 is arranged on the supporting stand 44 and suspended directly above the embossed bottom plate 45. It rises and falls under the guidance of the supporting stand 44, approaching or moving away from the embossed bottom plate 45. A first embossing forming portion 7 is arranged on one side surface of the embossed bottom plate 45 close to the embossed top plate 46, and a second embossing forming portion 8 is arranged on one side surface of the embossed top plate 46 close to the embossed bottom plate 45. The first embossing forming portion 7 and the second embossing forming portion 8 cooperate with each other to make the surface layers of the surface paper compounded and embossed.

[0039] The storage roller 51 is provided with a pushing cavity 511, and the first supporting end portion 2 is provided with a movable telescopic rod 52. The pushing mechanism includes a plurality of arc-shaped grooves 512 arranged around the inner circumferential surface of the pushing cavity 511, and a plurality of arc-shaped elastic protrusions 521 arranged around the outer circumferential surface of the movable telescopic rod 52. The arc-shaped elastic protrusions 521 are contracted inwardly by external force and return to their original state after losing force, and the movable telescopic rod 52 extends outward into the pushing cavity 511 or retracts inwardly to leave the pushing cavity 511; when the movable telescopic rod 52 enters the pushing cavity 511, the arc-shaped elastic protrusions 521 cooperate with the arc-shaped grooves 512, and along with the rotation of the storage roller 51, the cooperation mode of each arc-shaped elastic protrusion 521 and each arc-shaped groove 512 is intermittent cooperation;

[0040] The embossed bottom plate 45 and the embossed top plate 46 are both integrated with a heating device, and the pressing method between the two is hot pressing, wherein the heating device is an electric heating device, which is a well-known device and will not be described in detail here, and the heating operation is performed after power is turned on.

[0041] The first embossing forming part 7 is a groove body with a circular horizontal cross section, the inner circumferential side surface of the first embossing forming part 7 is an arc-shaped structure, and is provided with an arc-shaped surface 71, the second embossing forming part 8 is a convex part with a circular horizontal cross section, the second embossing forming part 8 includes a first forming block 81 and a second forming block 82 which are sleeved with each other, a first mounting cavity 812 is provided in the first forming block 81, the second forming block 82 is provided in the first mounting cavity 812, a spring 823 is provided in the first mounting cavity 812, one end of the spring 823 is fixedly connected to the lower bottom surface of the first mounting cavity 812, and the other end is fixedly connected to the second forming block 82, and a second forming block 82 is provided in the second forming block 82. The first mounting cavity 822 and the spring 823 are respectively connected to the first mounting cavity 812 and the second mounting cavity 822. Through the elastic action of the spring 823, under the action of external force, the first molding block 81 and the second molding block 82 perform relative elastic movement along the same axis. The first mounting cavity 812 is surrounded by a first groove 811 on the outer circumferential side surface, and the second molding block 82 is surrounded by a second groove 821 on the outer circumferential side surface. When the first molding block 81 is acted upon by an external force and moves toward the second molding block 82 and the second molding block 82 is completely received in the first mounting cavity 812, the first groove 811 and the second groove 821 overlap with each other.

[0042] A metal elastic pressure rod 9 is fixedly provided on the upper top surface of the second mounting cavity 822, and an arc-shaped elastic push block 91 is provided at the free end of the metal elastic pressure rod 9. The arc surface of the arc-shaped elastic push block 91 is consistent with the inner circumferential side surface of the first embossing forming part 7. The metal elastic pressure rod 9 moves around under the force, and the arc-shaped elastic push block 91 extends outward through the first groove 811 and the second groove 821 to abut against the inner circumferential side surface of the first embossing forming part 7.

[0043] A guide groove 813 is provided on the inner bottom surface of the first mounting cavity 812. The guide groove 813 takes the center of the first mounting cavity 812 as the starting point and extends radially to the surrounding areas. A movable ball 92 is provided on the metal elastic pressure rod 9. When the first molding block 81 and the second molding block 82 are in contact with each other, the metal elastic pressure rod 9 moves downward, and the movable ball 92 is embedded in the guide groove 813 and positions the metal elastic pressure rod 9 under the action of the guide groove 813.

[0044] The second embossing forming part 8 rotates 360° along its own axis on a horizontal plane. The reason why it can rotate itself is that when the first embossing forming part 7 and the second embossing forming part 8 cooperate with each other, a short-distance rotation can be performed to make the arc surface transition of the finished product more uniform.

[0045] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A non-adhesive composite embossing machine, comprising a machine platform, a first supporting end portion and a second supporting end portion arranged on the machine platform, a conveying mechanism arranged on the first supporting end portion, and a composite embossing mechanism arranged on the second supporting end portion, characterized in that: The conveying mechanism is used to convey the stacked tissue paper to the composite embossing mechanism for hot pressing and forming; The conveying mechanism includes a rotating motor, a material storage roller, and a pushing mechanism. The material storage roller rotates under the drive of the rotating motor and feeds the material to the composite embossing mechanism. The pushing mechanism is used to make the material storage roller vibrate intermittently. The composite embossing mechanism comprises a conveying trough, an input conveying roller, an output conveying roller, a support stand, an embossing bottom plate and an embossing top plate which cooperate with each other and are opened on the second supporting end portion, wherein the input conveying roller is arranged on a side of the conveying trough close to the conveying mechanism, the output conveying roller is arranged on a side of the conveying trough away from the conveying mechanism, the embossing bottom plate is arranged in the conveying trough between the input conveying roller and the output conveying roller, the embossing top plate is arranged on the support stand and suspended directly above the embossing bottom plate, and is lifted up and down under the guidance of the support stand, close to or away from the embossing bottom plate, a first embossing forming part is arranged on a side surface of the embossing bottom plate close to the embossing top plate, and a second embossing forming part is arranged on a side surface of the embossing top plate close to the embossing bottom plate, and the surface layers of the surface paper are compounded and embossed by the mutual cooperation of the first embossing forming part and the second embossing forming part; A pushing cavity is arranged in the storage roller, a movable telescopic rod is arranged on the first supporting end, the pushing mechanism comprises a plurality of arc-shaped grooves arranged around the inner circumferential surface of the pushing cavity, and a plurality of arc-shaped elastic protrusions arranged around the outer circumferential surface of the movable telescopic rod, the arc-shaped elastic protrusions shrink inwardly under external force and restore to their original state after the force is lost, and the movable telescopic rod extends outwardly into the pushing cavity or retracts inwardly to leave the pushing cavity; When the movable telescopic rod enters the push cavity, the arc-shaped elastic protrusions and the arc-shaped grooves cooperate with each other, and along with the rotation of the storage roller, the cooperation mode of each arc-shaped elastic protrusion and each arc-shaped groove is intermittent cooperation; The embossed bottom plate and the embossed top plate are both integrated with a heating device, and the pressing method between the two is hot pressing; The first embossed forming part is a groove body with a circular horizontal cross section, the inner circumferential side surface of the first embossed forming part is an arc-shaped structure, the second embossed forming part is a convex part with a circular horizontal cross section, the second embossed forming part includes a first forming block and a second forming block which are mutually sleeved, a first mounting cavity is arranged in the first forming block, the second forming block is arranged in the first mounting cavity, a spring is arranged in the first mounting cavity, one end of the spring is fixedly connected to the lower bottom surface of the first mounting cavity, and the other end is fixedly connected to the second forming block; A second mounting cavity is provided in the second forming block, the springs are respectively connected to the first mounting cavity and the second mounting cavity, and through the elastic action of the springs, under the action of an external force, the first forming block and the second forming block perform relative elastic movement along the same axis; A first groove is disposed around the outer circumferential side surface of the first installation cavity, and a second groove is disposed around the outer circumferential side surface of the second forming block, and when the first forming block is moved toward the second forming block by an external force and the second forming block is completely received in the first installation cavity, the first groove and the second groove overlap each other; A metal elastic pressure rod is fixedly provided on the upper top surface of the second mounting cavity, and an arc-shaped elastic push block is provided at the free end of the metal elastic pressure rod. The arc surface of the arc-shaped elastic push block is consistent with the inner circumferential side surface of the first embossed forming part. The metal elastic pressure rod moves around under force, and the arc-shaped elastic push block extends outward through the first groove and the second groove to abut against the inner circumferential side surface of the first embossed forming part.

2. The adhesive-free composite embossing machine according to claim 1, characterized in that: A guide groove is arranged on the inner bottom surface of the first installation cavity, and the guide groove takes the center of the first installation cavity as the starting point and extends radially to the surrounding areas. A movable ball is arranged on the metal elastic pressure rod. When the first forming block and the second forming block are in contact with each other, the metal elastic pressure rod moves downward, and the movable ball is embedded in the guide groove and positions the metal elastic pressure rod under the action of the guide groove.

3. The adhesive-free composite embossing machine according to claim 2, characterized in that: The second embossing forming part rotates 360 degrees along its own axis on a horizontal plane.

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