WO2022061488A1

WO2022061488A1 - Speaker cone body forming apparatus

Info

Publication number: WO2022061488A1
Application number: PCT/CN2020/116686
Authority: WO
Inventors: 何先登; 何坚强
Original assignee: 江苏丰迪科技有限公司
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2022-03-31

Abstract

Disclosed in the present invention is a speaker cone body forming apparatus. The speaker cone body forming apparatus comprises: a forming mechanism, the forming mechanism being used for receiving fibre slurry and forming the fibre slurry into a initial press piece; a colouring mechanism, the colouring mechanism being disposed on one side of the forming mechanism, and being used for containing colouring solution; a shift mechanism, the shift mechanism comprising a shift drive component and a mechanical hand mounted on the shift drive component, the mechanical hand being driven to move by the shift drive component in order to move the initial press piece into the colouring mechanism for colouring, and then move the coloured press piece; and a pressing mechanism, the pressing mechanism being used for receiving the coloured initial press piece and press-forming same. In the speaker cone body forming apparatus of the present invention, the speaker cone body is dyed after being formed, no chemical components are added to the pigment, and the pigment does not come into direct contact with the environment, being environmentally friendly and greatly saving water treatment costs.

Description

Drum paper carcass forming device

technical field

The invention belongs to the technical field of horn product preparation devices, in particular to a drum paper carcass forming device.

Background technique

Drum paper is the main sound-producing part in the horn. The sound quality of the horn has a lot to do with the drum paper. In addition to providing better output power and audio characteristics of the horn and speaker, it is also a role for horn and speaker manufacturers in the manufacture of speakers and speakers. It is the basis for quality control of loudspeakers, and it can also effectively prolong the service life of loudspeakers and speakers.

At present, the methods of preparing drum paper carcasses are similar. Generally, the paper material is first soaked and crushed to form fiber pulp, then the fiber pulp is dyed, and then the moisture of the fiber pulp is drained. This method has the following defects: when dyeing, it is necessary to add color-fixing chemical components. Since the colorant can be dyed better under acidic conditions, the water leached from the fiber slurry is acidic. With a lot of pollutants, and the water itself has pigments, the cost of post-treatment water is very high, and there is no guarantee that the treated water can be directly reused, which wastes a lot of water resources, increases production costs, and puts a lot of pressure on the environment. Big.

SUMMARY OF THE INVENTION

According to various embodiments of the present application, a drum paper carcass forming apparatus is provided.

A drum paper carcass forming device, comprising:

a forming mechanism, the forming mechanism is used for receiving the fiber slurry and forming the fiber slurry into an initial press;

a coloring mechanism, the coloring mechanism is arranged on one side of the molding mechanism, and is used for containing the coloring liquid;

a displacement mechanism, the displacement mechanism includes a displacement driving part and a manipulator mounted on the displacement driving part, the manipulator is driven and moved by the displacement driving part, so as to move the initial pressing part to the Coloring in the coloring mechanism, and then moving the colored initial press;

and a pressing mechanism, which is used for receiving the colored preliminary pressing piece and pressing and forming it.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the present invention will become apparent from the description, drawings and claims.

Description of drawings

1 is a schematic structural diagram of a drum paper carcass forming device according to an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of another angle of view of the drum paper carcass forming device described in Fig. 1;

Fig. 3 is the structural representation of the forming mechanism of the drum paper carcass forming mechanism described in Fig. 1;

Fig. 4 is the exploded structure schematic diagram of the molding mechanism described in Fig. 3;

Fig. 5 is the top view of the molding mechanism described in Fig. 3;

Fig. 6 is the A-A direction sectional view of Fig. 5;

Fig. 7 is the structural representation of the hot pressing assembly of the drum paper carcass forming device described in Fig. 1;

FIG. 8 is a schematic diagram of an exploded structure of the hot pressing assembly described in FIG. 7;

Fig. 9 is the structural representation of the manipulator of the drum paper carcass forming device described in Fig. 1;

FIG. 10 is a schematic structural diagram of the manipulator shown in FIG. 9 from another perspective;

Fig. 11 is the exploded structure schematic diagram of the manipulator described in Fig. 9;

FIG. 12 is a schematic structural diagram of the manipulator shown in FIG. 11 from another perspective.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

Referring to FIG. 1 , the drum paper carcass forming device 100 according to the embodiment of the present invention includes a forming mechanism 10 , a coloring mechanism 20 , a pressing mechanism 30 and a displacement mechanism 40 , and the forming mechanism 10 is used for receiving fiber pulp and converting the fiber pulp The coloring mechanism 20 is arranged on one side of the molding mechanism to contain the coloring liquid. The displacement mechanism 40 includes a displacement driving part 41 and a manipulator 42 installed on the displacement driving part 41. The manipulator 42 is composed of The displacement driving part 41 drives and moves to move the pre-pressed part to the coloring mechanism 20 for coloring, and then moves the pre-pressed part after coloring. The pressing mechanism 30 is used to receive the pre-pressed part after coloring on the robot 42 and further. Pressing.

Please refer to FIGS. 3 , 4 and 6 , the forming mechanism 10 includes a grouting cylinder 11 , a first elevating driving part 12 connected to the grouting cylinder 11 , a former 13 and a first vacuuming part 14 , please refer to FIG. 4 , the grouting cylinder 11 is provided with a grouting port 110 and a grouting port 111. Please continue to refer to FIG. 3, FIG. 4 and FIG. The slurry inlet 110 is used for introducing the fiber slurry into the grouting cylinder 11. The grouting hole 111 is arranged facing the former 13, and the former 13 is provided with a first filter hole (not shown), and the first vacuum part 14 communicates with the first The filter hole is used to draw the former 13 into a vacuum state through the first filter hole to absorb the fibers in the fiber slurry, and filter out the moisture to leave the fibers.

The first lift driving component 12 drives the grouting cylinder 11 to descend to the docking former 13. At this time, the fiber slurry enters the grouting cylinder 11 from the grouting port 110, and then is injected into the former 13 through the grouting port 111. The grouting cylinder 11 and the former 13 press the fibers to form a preliminary press.

The shape of the grouting port 111 of the grouting cylinder 11 is adapted to the shape of the former 13, so that the fibers can initially form the shape of a drum paper carcass between the two.

In one embodiment, the grouting port 111 of the grouting cylinder 11 is adapted to the former 13 , so that the fiber slurry in the grouting cylinder 11 is completely dispersed on the former 13 and will not be spilled outside the former 13 .

In one embodiment, the pore size of the first filter hole is not greater than 5um. With this pore size, more fibers can be retained and fiber loss can be reduced without affecting the filtration of water.

In one embodiment, the grouting cylinder 11 includes a cylinder body, and one end of the cylinder body close to the former 13 is opened to form the above-mentioned grouting port 111 .

Referring to FIG. 3 , in one embodiment, the first lift driving component 12 includes a first air cylinder 120 , and the first air cylinder 120 is connected to the grouting cylinder 11 . When the first air cylinder 120 is actuated, the grouting cylinder 11 is driven to move. Of course, the first lift driving member 12 may also be other driving members such as a hydraulic cylinder, which is not limited here.

In one embodiment, the first lift driving component 12 further includes a first lift plate 16 , and the first air cylinder 120 and the grouting cylinder 11 are respectively connected to the first lift plate 16 . The first air cylinder 120 first drives the first lifting plate 16 to move, and the first lifting plate 16 drives the grouting cylinder 11 to move. By adopting this structure, the grouting cylinder 11 is more stable when it is moved, and is prevented from swinging and shifting.

Referring to FIG. 6 , in one embodiment, the above-mentioned forming mechanism 10 further includes a dispersing member 17 disposed in the grouting cylinder 11 . The dispersing part 17 is used to uniformly disperse the fiber slurry in the forming device 13 to ensure that the fibers of the formed pre-pressed part are more uniform.

In one embodiment, the dispersing part 17 is arranged in the shape of a cone, and the diameter increases from the end of the grouting cylinder 11 away from the former 13 to the end close to the former 13 , and the end of the dispersing part 17 close to the former 13 is provided with a plurality of uniformly arranged Slurry hole 18. Of course, the dispersing member 17 may also adopt other structures, which are not limited here.

Referring to FIGS. 3 , 4 and 6 , in one embodiment, a molding mechanism 10 is provided with a plurality of grouting cylinders 11 to improve production efficiency.

Referring to FIG. 1 , in one embodiment, the coloring mechanism 20 is a coloring container, which is installed on one side of the molding mechanism 10 to facilitate the manipulator 42 to grab the product into the coloring mechanism. In this embodiment, the coloring container is disposed close to the forming mechanism 10 to reduce the footprint of the entire device. In one embodiment, the coloring container is a coloring tank.

The coloring mechanism 20 can be connected to the coloring liquid container, and the coloring liquid is replenished for the coloring mechanism 20 on a regular or irregular basis. Of course, the coloring mechanism 20 may not be connected to the coloring liquid container, and the coloring liquid may be directly poured from the opening of the coloring mechanism 20 .

The pressing mechanism 30 is used for further pressing and forming the colored preliminary pressing part.

In one embodiment, the pressing mechanism 30 includes a hot pressing component 31 , and the hot pressing component 31 is used to better shape the pre-pressed part after coloring through heat treatment.

Please refer to FIG. 7 and FIG. 8 , wherein, the hot pressing assembly 31 includes an upper pressing piece 32 , a second elevating driving part 33 connected to the upper pressing piece 32 , a lower pressing piece 34 and a second vacuuming part 37 , and the upper pressing piece 32 And/or the lower pressing member 34 is provided with a heating member, the lower pressing member 34 is provided with a second filter hole 35, and the second lifting driving member 33 is used to drive the upper pressing member 32 to move toward or away from the lower pressing member 34. When the pressing piece 32 and the lower pressing piece 34 are put together, the heating part makes the upper pressing piece 32 and/or the lower pressing piece 34 have heat, so that the product is hot-pressed. After forming, the second lift driving part 33 drives the upper pressing piece The part 32 is far away from the lower pressing part 34 , and the second vacuuming part 37 communicates with the second filter hole 35 , and is used to evacuate the lower pressing part 34 into a vacuum state through the second filter hole 35 to fix the product on the lower pressing part 34 .

Of course, the method of fixing the product by the lower pressing member 34 is not limited to vacuum fixing, and other fixing methods, such as clamping and fixing, can also be used.

In one embodiment, the second lift driving component 33 includes a second air cylinder 330 , and the second air cylinder 330 is connected to the upper pressing member 32 . When the second air cylinder 330 is actuated, the upper pressing member 32 is driven to move. Of course, the second lift driving member 33 may also be other driving members such as a hydraulic cylinder, which is not limited here.

In one embodiment, the second lift driving member 33 further includes a second lift plate 38 , and the second air cylinder 330 and the upper pressing member 32 are respectively connected to the second lift plate 38 . The second air cylinder 330 first drives the second lifting plate 38 to move, and the second lifting plate 38 drives the upper pressing member 32 to move. By adopting this structure, the upper pressing member 32 is more stable when it is moved, and the swing displacement is prevented.

Referring to FIG. 1 , in one embodiment, the above-mentioned pressing mechanism 30 further includes a cold pressing component 36 , ie, normal temperature pressing. The structure of the cold pressing component 36 is similar to that of the hot pressing component 31 , the difference is that the cold pressing component 36 lacks the heating parts.

Cold-pressing the pre-pressed parts first, and then hot-pressing, can prevent the product from wrinkling and other undesirable phenomena during direct hot-pressing, and improve the product yield.

Referring to FIG. 9 , the manipulator 42 in the displacement mechanism 40 includes a suction part 43 , a moisture extraction part (not shown) and an air blowing part (not shown). The suction part 43 is used to absorb products, and the moisture extraction The part is used to generate negative pressure to suck the product and extract the moisture of the product, and the blow part is used to blow off the product from the suction part 43 .

9 , 10 and 11 , the suction member 43 is provided with a water vapor hole 44 , and the water vapor extraction member draws air and water through the water vapor hole 44 to form a negative pressure and remove moisture from the product.

In one embodiment, the material suction member 43 includes a material cylinder 45 and a material suction plate 46 installed in the material cylinder 45 , and the above-mentioned water and air holes 44 are opened on the material suction plate 46 . The shape of the suction tray 46 is adapted to the shape of the product, and the product can be attached to the suction tray 46 through negative pressure, thereby realizing the fixation of the product.

In one embodiment, the material barrel 45 is cylindrical, and its shape is convenient for manufacture and also for the installation of the suction plate 46 . The suction cup 46 has a generally conical shape. The product is adsorbed on its larger diameter end.

The shapes of the cartridge 45 and the suction tray 46 may be the same or different. The materials of both are not limited here.

In one embodiment, the water vapor extraction component communicates with the water vapor hole 44 through the water vapor pipe 47 . When the moisture extraction part is turned on, the moisture and gas of the product are extracted along the moisture and gas pipe 47, thereby fixing the product and removing the moisture of the product.

Referring to FIG. 11 , in one embodiment, the manner in which the barrel 45 is connected to the water vapor extraction component is as follows: the first end of the barrel 45 is open, the second end is provided with a water suction port 48 , and the water vapor extraction component passes through the water gas pipe 47 The water suction air port 48 is communicated, thereby communicating with the water air hole 44 .

In one embodiment, in order to improve the efficiency of material suction, the number of the material cylinders 45 is at least two, and the material suction component 43 further includes a fixing plate 49 on which the material cylinder 45 is installed, and the fixing plate 49 corresponds to each The water suction port 48 of the cartridge 45 is provided with a connecting port 50 , and the water and air pipe 47 is connected to the water suction port 48 through the connecting port 50 . The water and air pipes 47 pass through the connecting port 50 and the water and air port 48 in turn to communicate with the water and air holes 44 .

In this embodiment, the number of cartridges 45 is four, which are evenly distributed on the fixing plate 49, so that four products can be sucked at one time.

Please refer to FIGS. 9 , 11 and 12. In one embodiment, in order to enable the fixing plate 49 to be installed more stably, the suction member 43 further includes a connecting plate 51, and a vent 52 is opened in the middle of the connecting plate 51 for ventilation. The port 52 is connected to the connecting port 50, the water and air pipe 47 is connected to the connecting port 50 through the vent port 52, and then the connecting port 50 is connected to the water pumping port 48, so that the purpose of pumping and pumping can be achieved.

In one embodiment, the water-gas extraction component is a water-gas integrated pump. The suction and water suction can be realized at the same time. During suction, a negative pressure is formed on the suction tray 46 to fix the product, and when the water is pumped, the moisture of the product is pumped away through the water and gas pipe 21 .

In one embodiment, the water vapor extraction component is provided with an overflow pipe, and the overflow pipe communicates with the foaming container through the water outlet pipe to recycle water. The foaming container is a container for soaking paper. By introducing water to the foaming container, the water added to the foaming container can be reduced and the purpose of saving water resources can be achieved.

In one embodiment, the water outlet pipe is installed in the tank chain, which can prevent the water outlet pipe from breaking when the manipulator 42 moves.

For the blowing part, you can choose a device that can achieve blowing on the market. The air blowing part communicates with the water and air holes 44 , and the air blowing part blows air to make the product fall from the suction part 43 , so as to perform the next action.

Referring to FIG. 9 , FIG. 11 and FIG. 12 , in one embodiment, the air blowing component communicates with the water and air holes 44 through the air blowing pipe 53 . The gas first passes through the blowing pipe 53 , and then enters the suction tray 46 through the water and air holes 44 . When blowing air to the suction tray 46, the product on the suction tray 46 falls.

Please refer to FIG. 9 to FIG. 12 , further, the above-mentioned manipulator 42 further includes a manipulator 54 , and the connecting plate 51 is mounted on the manipulator 54 . Thus, the entire suction part 43 is mounted on the mechanical arm 54 . The water vapor extraction part and the air blowing part are arranged close to the mechanical arm 54 .

Further, the above-mentioned manipulator 42 further includes a drive assembly 55 connected to the suction part 43 , and the drive assembly 55 is used to drive the suction part 43 to displace.

Referring to FIG. 11 , in one embodiment, the drive assembly 55 includes a lift drive member 56 , the lift drive member 56 is connected to the suction member 43 to drive the suction member 43 to move up and down to move to a designated position to pick up the product or drop it down product.

In this embodiment, the lift driving part 56 is connected to the mechanical arm 54 , thereby indirectly connecting the suction part 43 , and the lift driving part 56 drives the mechanical arm 54 to carry the suction part 43 to achieve lift and displacement.

Wherein, the lift driving component 56 can be any component that realizes lift, such as an air cylinder, a hydraulic cylinder, etc., and a motor. In this embodiment, the lift driving component 56 includes a motor 57 and a screw rod 58 connected to the motor 57 , and the screw rod 58 is connected to the mechanical arm 54 . When the motor 57 rotates, the screw 58 rotates accordingly, thereby driving the mechanical arm 54 to realize the lifting and lowering displacement.

In one embodiment, the drive assembly 55 further includes a translation drive part (not shown), the translation drive part is connected to the suction part 43 to drive the suction part 43 to move in the horizontal direction, so as to move to a designated position to absorb the product or drop the product.

Wherein, the translational drive component can be moved by a track or the like, which is not limited herein.

The above-mentioned manipulator 42, when it is necessary to absorb the product, moves the suction part 43 to a position close to the product when necessary, opens the water vapor extraction part, and sucks the product under the suction negative pressure, and when the water needs to be pumped, the water pumping function is turned on to remove the moisture of the product. When the product completes a process, the water vapor extraction part is closed, and the air blowing part is opened to blow air. At this time, the product falls to the next station, and so on. Because the material of the drum paper carcass is very soft, the product may be damaged by using a general manipulator, but the manipulator of this structure can not only fix the product, but also play the role of pumping and draining water.

When the above-mentioned manipulator 42 is used in the coloring process, the suction part 43 is moved to a position close to the product, the water vapor extraction part is turned on, the product is sucked by the suction negative pressure, and then moved into the coloring liquid for a few seconds, and the coloring liquid is immersed into the product , and then the manipulator 42 lifts the product. At this time, the water pumping function is turned on to remove the moisture of the product, so that the color material remains on the product to realize the coloring of the product. After completion, the moisture extraction part is closed, and the air blowing part is turned on to blow air. , the product falls to the next station.

The above-mentioned manipulator 42 can fix the product after the initial molding, and after it is colored in the coloring liquid, the water in the coloring liquid attached to the product is drawn off by means of water pumping and air pumping, and the colorant is left on the product. , so as to achieve the purpose of coloring, and can also recycle circulating water, reduce the production of colorants and waste water, and greatly save the cost of water resources.

In one embodiment, the displacement driving component 41 is a slide rail, and the manipulator 42 is slidably connected to the slide rail to move along the slide rail. The manipulator 42 moves along the slide rail, and when it moves to the designated position, it stays for a period of time, the manipulator 42 works, and after completion, the manipulator 42 continues to move along the slide rail to the next station.

Of course, the above-mentioned displacement driving component 41 may also be other driving components, which are not limited herein.

Further, the above-mentioned drum paper carcass forming mechanism 100 further includes a frame 60 , on which the forming mechanism 10 , the coloring mechanism 20 , the pressing mechanism 30 and the shifting mechanism 40 are mounted.

Referring to FIG. 1 , when the above-mentioned drum paper carcass forming device 100 is in operation, the fiber slurry first arrives at the forming device 100 to be preliminarily formed to form a pre-pressed part. The coloring liquid is kept for a preset time, and then the initial pressing part is taken out. The initial pressing part has coloring liquid. At this time, the manipulator 42 removes the moisture on the initial pressing part, leaving the color material, and then the manipulator 42 moves the initial pressing part. The cold-pressing assembly 36 is subjected to normal temperature pressing and forming, and then the robot arm 42 moves the cold-pressed preliminary press to the hot-pressing assembly 31 for hot-pressing forming.

In one embodiment, the above-mentioned drum paper carcass forming apparatus 100 further includes a control system, and each electronic control component is electrically connected to the control system, so as to control the automatic operation of the apparatus.

The above-mentioned drum paper carcass forming device is used to color the fiber slurry after initial pressing and forming, and the coloring method is to immerse the initial pressed part in the color material liquid, then extract the moisture, and then hot-press and fix the color, so that the color material No chemical components are added, nor is it in direct contact with the environment, which is environmentally friendly and greatly saves the cost of later sewage treatment.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A drum paper carcass forming device, characterized in that it comprises:

a forming mechanism, the forming mechanism is used for receiving the fiber slurry and forming the fiber slurry into a preliminary pressing part;

a coloring mechanism, the coloring mechanism is arranged on one side of the molding mechanism, and is used for containing the coloring liquid;

a displacement mechanism, the displacement mechanism includes a displacement driving part and a manipulator mounted on the displacement driving part, the manipulator is driven to move by the displacement driving part, so as to move the initial pressure part to the Coloring in the coloring mechanism, and then moving the colored initial press;

and a pressing mechanism, which is used for receiving the colored preliminary pressing piece and pressing and forming it.
The drum paper carcass forming device according to claim 1, wherein the pressing mechanism comprises a hot pressing assembly.
The drum paper carcass forming device according to claim 2, wherein the pressing mechanism further comprises a cold pressing assembly, and the cold pressing assembly is located between the forming mechanism and the hot pressing assembly.
The drum paper carcass forming device according to claim 1, wherein the forming mechanism comprises a grouting cylinder, a first elevating driving part connected to the grouting cylinder, a former and a first vacuuming part, and the grouting cylinder A grouting port and a grouting port are provided, the first lift driving component is used to drive the grouting cylinder to move in a direction close to or away from the former, and the grouting port is arranged facing the former, The former is provided with a first filter hole, and the first vacuuming component communicates with the first filter hole.
The drum paper carcass forming device according to claim 1, wherein the coloring mechanism is a coloring container.
The drum paper carcass forming device according to claim 1, wherein the manipulator comprises a material suction part, a water vapor extraction part and an air blowing part, the material suction part is used for suctioning products, and the material suction part is provided with There are water and air holes, and the water and air extraction part is connected to the water and air holes, and is used for air extraction through the water and air holes to form a negative pressure on the suction part, adsorb and fix the product, and extract the product. Moisture, the air blowing part communicates with the water air hole, and is used for blowing air from the water air hole so that the product falls from the suction part.
The drum paper carcass forming device according to claim 6, wherein the suction component comprises a material barrel and a material suction plate installed in the material barrel, and the water and air holes are opened on the material suction plate .
The drum paper carcass forming device according to claim 7, wherein the first end of the material cylinder is open, the second end is provided with a water suction port, and the water and gas extraction component communicates with the water suction through a water and gas pipe Air port, so as to communicate with the water air hole.
The drum paper carcass forming device according to claim 8, wherein the number of the material cylinders is at least two, the material suction part further comprises a fixing plate, and the material cylinder is mounted on the fixing plate, The fixing plate is provided with a connecting port corresponding to the water suction air port of each of the material cylinders, and the water and air pipe extends to the water suction air port through the connecting port; the manipulator further includes a mechanical arm, and the fixing plate is installed on the robotic arm.
The drum paper carcass forming device according to claim 6, wherein the water vapor extraction component is provided with an overflow pipe, and the overflow pipe communicates with the foaming container to recycle water.