Sound box cloth heat press machine

Abstract

The application discloses a sound box cloth hot press, which comprises an organism, a bottom die, an upper die, a first driving device, a placing plate and a heating plate. The upper end of the upper die is provided with a fixed plate, the heating plate is arranged between the upper die and the fixed plate, the first driving device is drivingly connected to the fixed plate, and the upper die is movably arranged above the bottom die under the control of the first driving device. The placing plate is arranged between the bottom die and the upper die, and the placing plate is provided with a first window penetrating through the placing plate. In this way, the workpiece and the sound box cloth are respectively positioned on the bottom die and the placing plate. The sound box cloth is moved downward together with the upper die in the downward movement process and is attached to the workpiece, so that the attachment effect between the sound box cloth and the workpiece is ensured. The structure design is ingenious and reasonable, the attachment effect is good, the quality is stable and consistent, the production efficiency of the product is improved, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hot presses, in particular to a speaker cloth hot press. BACKGROUND

[0002] With the development of society and the continuous development of living standards, the use of speakers is also more and more widely used. The speaker is the terminal of the entire sound system, and its function is to convert audio power into corresponding sound energy and radiate it to the space. It is an extremely important part of the sound system, and it is responsible for converting electrical signals into sound signals for the ears to listen directly. The speaker cloth refers to the mesh cover covering the speaker horn. The mesh cover is located at the sound outlet of the horn. The speaker cloth is used to protect the horn from dust and improve the sound quality. At the same time, the speaker mesh cover and the speaker cloth are generally connected and fixed by using a hot press through a hot pressing method. The existing speaker cloth needs to be manually pre-assembled on the speaker mesh cover, and then the speaker mesh cover with the speaker cloth is placed and positioned in the hot press and fixed on the speaker mesh cover by using a hot pressing method. However, the structure design is poor, and the manual pre-assembly of the speaker cloth and the speaker mesh cover is prone to incorrect assembly, which makes the quality of the speaker cloth and the speaker mesh cover unstable after hot pressing, resulting in unqualified products that need to be reworked or scrapped, reducing the production efficiency of the product, and having a small application range.

[0003] Therefore, it is necessary to study a new technical solution to solve the above problems. SUMMARY

[0004] Therefore, the present application aims to solve the problems in the prior art. The main purpose is to provide a speaker cloth hot press. Through the design of each component, the speaker cloth is moved together and assembled on the workpiece during the downward movement of the upper pressing die, ensuring the assembly effect between the speaker cloth and the workpiece, and improving the production efficiency of the product and the application range.

[0005] To achieve the above purpose, the present application adopts the following technical solutions:

[0006] A speaker cloth hot press comprises a machine body, a bottom die, an upper pressing die, a first driving device, a placement plate, and a heating plate arranged on the machine body. The bottom die is arranged at the upper middle part of the machine body. The upper end of the upper pressing die is provided with a fixed plate, and the heating plate is arranged between the upper pressing die and the fixed plate. The first driving device is drivingly connected to the fixed plate. The upper pressing die is movably arranged above the bottom die under the control of the first driving device. The placement plate is arranged between the bottom die and the upper pressing die, and the placement plate is provided with a first window penetrating through the placement plate.

[0007] In use, first, the workpiece is placed on the bottom die, then the speaker cloth is placed on the upper end of the placement plate, the upper die is moved to contact the speaker cloth under the control of the first driving device, the upper die moves downward together with the speaker cloth and passes through the first window to make the speaker cloth adhere to the workpiece, at the same time, the heating plate heats to transfer heat to the upper die to realize the hot-pressing of the speaker cloth on the workpiece, then the upper die moves away from the bottom die under the control of the driving device, and the workpiece with the adhered speaker cloth is taken out.

[0008] As a preferred scheme, the heating plate is provided between the fixed plate and the heat insulation plate.

[0009] As a preferred scheme, the side pressing assembly is further included, the side pressing assembly is provided with two and is respectively arranged on the left and right sides of the lower end of the fixed plate, the upper die is located between the two side pressing assemblies, and the side pressing assembly includes a side pressing block and a second driving device connected to the side pressing block.

[0010] As a preferred scheme, the side pressing block is connected with a heat source.

[0011] As a preferred scheme, the placement plate is movably arranged on the machine body, a plurality of first support columns are arranged around the outer periphery of the bottom die at intervals on the machine body, a spring is sleeved outside the first support column, a first mounting hole is arranged on the placement plate corresponding to the first support columns, the first mounting hole is adapted to be positioned on the corresponding first support column, and the two ends of the spring act on the placement plate and the machine body, respectively.

[0012] As a preferred scheme, the fixed plate is provided with a pre-pressing assembly for pre-pressing the speaker cloth, the pre-pressing assembly includes a cloth pre-pressing plate and a second support column, the second support column is provided with a plurality of second support columns arranged at the lower end of the fixed plate around the outer periphery of the upper die, the cloth pre-pressing plate is arranged at the lower end of the second support column and located on the lower side of the upper die, and the cloth pre-pressing plate is provided with a second window penetrating through the cloth pre-pressing plate.

[0013] As a preferred scheme, four third support columns are arranged around the outer periphery of the bottom die at intervals on the machine body, an installation plate is arranged at the upper end of the third support column, the first driving device is arranged on the installation plate, and the output end of the first driving device is connected to the fixed plate through the installation plate.

[0014] As a preferred scheme, a guide rod is arranged on the machine body, the guide rod is provided with at least two guide rods arranged at intervals left and right, the upper end of the guide rod is connected to the installation plate, a second mounting hole is arranged on the fixed plate, the second mounting hole is adapted to be positioned on the guide rod, and the fixed plate moves up and down on the guide rod under the control of the first driving device.

[0015] As a preferred scheme, the safety mechanism is arranged on the machine body, and the safety mechanism comprises sensors and an emergency stop switch.

[0016] As a preferred scheme, the sensors are inductive gratings.

[0017] Compared with the prior art, the present application has obvious advantages and beneficial effects. Specifically, according to the above technical scheme, the workpiece and the speaker cloth are respectively placed and positioned on the bottom die and the placement plate, the speaker cloth is moved downward together with the upper die during the downward movement of the upper die, and the speaker cloth is attached to the workpiece, so that the attachment effect between the speaker cloth and the workpiece is ensured. The structure design is ingenious and reasonable, the attachment effect is good, the quality is stable and consistent, the production efficiency of the product is improved, and the application range is wide.

[0018] Secondly, the heat insulation plate is arranged to avoid the heat of the heating plate being transferred to the fixing plate, so that the heat of the upper die is insufficient, the heat pressing effect of the speaker cloth and the workpiece is ensured, the usability is good, and the side pressing assembly is beneficial to the attachment operation between the two sides of the workpiece and the speaker cloth, so that the attachment effect between the speaker cloth and the workpiece is ensured. In addition, the arrangement of the heat source further ensures the attachment effect between the two sides of the speaker cloth and the workpiece, so that the quality of the product is ensured.

[0019] In addition, the pre-pressing assembly is arranged to make the cloth pre-pressing plate contact the speaker cloth in advance and position the speaker cloth on the placement plate, so that the offset phenomenon of the speaker cloth on the placement plate is avoided, the incorrect attachment phenomenon between the speaker cloth and the workpiece is avoided, the attachment effect between the speaker cloth and the workpiece is ensured, and the arrangement of the guide rod is beneficial to the stable displacement of the fixing plate on the machine body, and the practicability is high.

[0020] In order to more clearly illustrate the structural features and effects of the present application, the present application will be described in detail below with reference to the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a perspective view of an embodiment of the present application;

[0022] Figure 2 is a sectional view of an embodiment of the present application;

[0023] Figure 3 is Figure 2 is a partial enlarged view of the embodiment of the present application;

[0024] Figure 4 is a perspective view of the bottom die, the upper die, the placement plate, the heating plate, the side pressing assembly and the pre-pressing assembly of the embodiment of the present application.

[0025] Figure 5 is the exploded view of the bottom die, the upper die, the placement plate, the heating plate, the side pressing assembly, the pre-pressing assembly, the speaker cloth, and the workpiece.

[0026] The drawing mark explanation is as follows:

[0027] 101, inductor 102, emergency stop switch

[0028] 10, machine body 11, bottom die

[0029] 111, bottom die fixing seat 112, bottom plate

[0030] 113, third supporting column 114, mounting plate

[0031] 12, upper die 121, fixing plate

[0032] 122, guide rod 123, second mounting hole

[0033] 13, first driving device 14, placement plate

[0034] 141, first window 142, first supporting column

[0035] 143, first mounting hole 15, heating plate

[0036] 151, heat insulation plate 16, side pressing assembly

[0037] 161, side pressing block 162, second driving device

[0038] 163, connecting block 164, heat insulation piece

[0039] 17, pre-pressing assembly 171, cloth pre-pressing plate

[0040] 172, second supporting column 173, second window

[0041] 18, control device 21, workpiece

[0042] 22, speaker cloth. DETAILED DESCRIPTION

[0043] Please refer to Figures 1 to 5 , which shows the specific structure of the embodiment of the present application.

[0044] A speaker cloth hot press machine, comprising a machine body 10 and a bottom die 11, an upper die 12, a first driving device 13, a placement plate 14, and a heating plate 15 arranged on the machine body 10; wherein:

[0045] The bottom die 11 is arranged at the middle position of the upper end of the machine body 10, and the lower end of the bottom die 11 is provided with a bottom die fixing seat 111 which is fixed on the machine body 10 through a bottom plate 112;

[0046] The upper end of the upper die 12 is provided with a fixing plate 121, and the heating plate 15 is arranged between the upper die 12 and the fixing plate 121, and a heat insulation plate 151 is arranged between the heating plate 15 and the fixing plate 121 to avoid the heat of the heating plate being transferred to the fixing plate, so that the heat of the upper die is insufficient, and the hot pressing effect of the speaker cloth and the workpiece is ensured;

[0047] The first driving device 13 is drivingly connected to the fixing plate 121, and the upper die 12 is arranged above the bottom die 11 in an up-and-down movable manner under the control of the first driving device 13;

[0048] The placing plate 14 is arranged between the bottom die 11 and the upper die 12, and the placing plate 14 is provided with a first window 141 which penetrates the placing plate from top to bottom;

[0049] In use, the workpiece 21 is first placed on the bottom die 11, and then the speaker cloth 22 is placed on the upper end of the placing plate 14, and the upper die 12 is controlled to move downward by the first driving device 13 to contact the speaker cloth 22, and the upper die 12 moves downward together with the speaker cloth 22 and passes through the first window 141 to make the speaker cloth 22 adhere to the workpiece 21, and at the same time, the heating plate 15 generates heat to transfer heat to the upper die 12, so that the upper die 12 hot-presses the speaker cloth 22 to adhere to the workpiece 21, then the upper die 12 is controlled to move upward by the first driving device 13 to move away from the bottom die 11, and then the workpiece 21 with the adhered speaker cloth 22 is taken out; in this way, through the design of each component, the workpiece and the speaker cloth are respectively placed and positioned on the bottom die and the placing plate, and the speaker cloth is moved downward together with the workpiece in the process of the upper die moving downward, and the speaker cloth is adhered to the workpiece, so that the adhering effect between the speaker cloth and the workpiece is ensured, the structure design is ingenious and reasonable, the adhering effect is good, the quality is stable and consistent, the production efficiency of the product is improved, and the application range is wide.

[0050] The side pressing assembly 16 is arranged with two side pressing blocks 161 and second driving devices 162 connected to the side pressing blocks 161, and is arranged on the left and right sides of the lower end of the fixed plate 121. The upper pressing die 12 is located between the two side pressing assemblies 16, and the two side pressing assemblies 16 are located above the first window 141. The side pressing assembly 16 comprises a side pressing block 161 and a second driving device 162 connected to the side pressing block 161. Here, the side pressing block 161 is connected to a heat source, which is a heating element arranged inside the side pressing block 161, or the heat source is connected to the side pressing block 161 through heat conduction. Preferably, the side pressing block 161 is connected to a connecting block 163, the second driving device 162 is connected to the connecting block 163, and a heat insulating element 164 is arranged between the connecting block 163 and the side pressing block 161. The heat insulating element 164 is a heat insulating plate.

[0051] In use, the side pressing block 161 moves downward under the control of the first driving device 13 and contacts the speaker cloth 22 through the first window 141. After the speaker cloth 22 is attached to the workpiece 21 by the upper pressing die 12, the second driving device 162 controls the side pressing block 161 to move towards the upper pressing die 12, so that the left and right speaker cloths 22 are attached to the left and right sides of the workpiece 21. In this way, the side pressing assembly facilitates the attachment operation between the two sides of the workpiece and the speaker cloth, thereby ensuring the attachment effect between the speaker cloth and the workpiece. The arrangement of the heat source further ensures the attachment effect between the two sides of the speaker cloth and the workpiece, thereby ensuring the quality of the product. In addition, the arrangement of the heat insulating element prevents the heat of the side pressing block from being conducted to the connecting block, ensuring the stability of the heat of the side pressing block, thereby ensuring the heat pressing effect of the two sides of the speaker cloth and the workpiece.

[0052] In addition, the placement plate 14 is movably arranged on the machine body 10, and the machine body 10 is provided with a plurality of first support columns 142 arranged at intervals around the outer periphery of the bottom die. Here, the first support columns 142 are arranged at the upper end of the bottom plate 112 and correspond to the four corners of the bottom plate 112. The outer side of the first support column 142 is provided with a spring (not shown in the figure), and the placement plate 14 is provided with a first mounting hole 143 corresponding to the plurality of first support columns. The first mounting hole 143 is adapted to be positioned on the corresponding first support column 142, and the two ends of the spring act on the placement plate 14 and the bottom plate 112, respectively.

[0053] And, the fixed plate 121 is provided with a pre-pressing assembly 17 for pre-pressing the speaker cloth, the pre-pressing assembly 17 comprises a cloth pre-pressing plate 171 and a second supporting column 172, the second supporting column 172 is arranged at the lower end of the fixed plate 121 in a spaced manner around the outer periphery of the upper pressing die, the cloth pre-pressing plate 171 is arranged at the lower end of the second supporting column 172 and located at the lower side of the upper pressing die 12, the cloth pre-pressing plate 171 is provided with a second window 173 penetrating the cloth pre-pressing plate from top to bottom, and the side pressing assembly 16 is located at the upper side of the cloth pre-pressing plate 171 and keeps a distance from the cloth pre-pressing plate 171.

[0054] In use, the first driving device 13 controls the fixed plate 121 to move downward, the cloth pre-pressing plate 171 pre-contacts the speaker cloth 22 and presses the speaker cloth 22 to be positioned on the placement plate 14, the placement plate 14 and the speaker cloth 22 move downward with the pressing of the cloth pre-pressing plate 171, so that the speaker cloth 22 contacts the workpiece 21 on the bottom die 11 in the process of moving downward, at the same time, the upper pressing die 12 contacts the speaker cloth 22 in the process of moving downward and adheres the speaker cloth 22 to the workpiece 21, after the hot pressing operation is completed, the first driving device 13 controls the fixed plate 121 to move upward, the upper pressing die 12 and the cloth pre-pressing plate 171 move upward together, and the placement plate 14 moves upward and resets under the resetting action of the spring, and then the workpiece 21 is taken out; in this way, the pre-pressing assembly is arranged to make the cloth pre-pressing plate pre-contact the speaker cloth and position the speaker cloth on the placement plate, so as to avoid the phenomenon that the speaker cloth deviates on the placement plate and causes incorrect adhesion between the speaker cloth and the workpiece, which is beneficial to guaranteeing the adhesion effect between the speaker cloth and the workpiece.

[0055] Further, the machine body 10 is provided with four third supporting columns 113 arranged in a spaced manner around the outer periphery of the bottom die, the upper end of the third supporting column 113 is provided with a mounting plate 114, and the first driving device 13 is arranged on the mounting plate 114, and the output end of the first driving device 13 penetrates the mounting plate 114 and is connected to the fixed plate 121;

[0056] Here, the machine body 10 is provided with a guide rod 122, the guide rod 122 is provided with at least two guide rods arranged in a spaced manner left and right, the upper end of the guide rod 122 is connected to the mounting plate 114, the fixed plate 121 is provided with a second mounting hole 123, the second mounting hole 123 is adapted to be positioned on the guide rod 122, and the fixed plate 121 moves up and down on the guide rod 122 under the control of the first driving device 13; preferably, the guide rod 122 is provided with four guide rods, the lower end of the four guide rods 122 is arranged on the upper end of the bottom plate 112, and the four first supporting columns 142 are located in the inner periphery of the four guide rods 122; in this way, the arrangement of the guide rod is beneficial to the stable displacement of the fixed plate on the machine body and has strong practicability.

[0057] Further, the body 10 is provided with a safety mechanism, which comprises an inductor 101 and an emergency stop switch 102, the inductor 101 is arranged at the front of the body 10 in at least two and left-right interval mode, the inductor 101 is located in front of the bottom die 11, the emergency stop switch 102 is connected to the inductor 101 and the first driving device 13 respectively; preferably, the inductor 101 is an inductive grating.

[0058] Preferably, a control device 18 is further arranged on the mounting plate 114 and beside the first driving device 13, the control device 18 is connected to the first driving device 13, the second driving device 162, the inductor 101 and the emergency stop switch 102 respectively.

[0059] The design of the present application focuses on that the workpiece and the speaker cloth are respectively placed and positioned on the bottom die and the placing plate, and the speaker cloth is moved down together with the upper die during the moving down process of the upper die and is attached to the workpiece, so as to ensure the attachment effect between the speaker cloth and the workpiece, the structure design is ingenious and reasonable, the attachment effect is good, the quality is stable and consistent, the production efficiency of the product is improved, and the application range is wide.

[0060] Secondly, the setting of the heat insulation plate avoids the heat transfer of the heating plate to the fixing plate, which causes the heat of the upper die to be insufficient, ensures the heat pressing effect of the speaker cloth and the workpiece, and has good usability, at the same time, the side pressing assembly is beneficial to the attachment operation between the two sides of the workpiece and the speaker cloth, so as to ensure the attachment effect between the speaker cloth and the workpiece, and the setting of the heat source further ensures the attachment effect between the two sides of the speaker cloth and the workpiece, so as to ensure the quality of the product.

[0061] In addition, the setting of the pre-pressing assembly makes the cloth pre-pressing plate contact with the speaker cloth in advance and position the speaker cloth on the placing plate, avoids the deviation of the speaker cloth on the placing plate, causes the incorrect attachment between the speaker cloth and the workpiece, is beneficial to ensuring the attachment effect between the speaker cloth and the workpiece, at the same time, the setting of the guide rod is beneficial to the displacement stability of the fixing plate on the body, and has strong practicability.

[0062] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A speaker cloth heat press, characterized by: The utility model provides a sound box cloth hot-pressing device, including organism and the bottom die, upper die, first driving device, placement plate, heating plate of setting on organism, wherein: bottom die setting in the upper end middle part position of organism, the upper end of upper die is provided with fixed plate, heating plate sets up between upper die, fixed plate, first driving device drive connection in fixed plate, upper die is with the control of first driving device and is set up in the just above of bottom die with up and down activity type, placement plate sets up between bottom die, upper die, and placement plate is provided with first window that passes through placement plate up and down, Still include have side pressure and close subassembly, side pressure and close subassembly set up two and respectively set up in the lower end left, right side of fixed plate, upper die is located between two side pressure and close subassembly, side pressure and close subassembly includes side pressure and close block and drive connection in side pressure and close block's second driving device, The fixed plate is provided with a pre-pressing component for pre-pressing the sound box cloth, the pre-pressing component includes a cloth pre-pressing plate and a second supporting column, the second supporting column is provided with a plurality of and is arranged at the lower end of the fixed plate around the outer periphery of the upper die, the cloth pre-pressing plate is arranged at the lower end of the second supporting column and is located below the upper die, and the cloth pre-pressing plate is provided with a second window that passes through the cloth pre-pressing plate up and down. In use, first place the workpiece on the bottom die, then place the sound box cloth on the upper end of the placement plate, then move the upper die, the fixed plate and the side pressure and close block downward under the control of the first driving device, then the cloth pre-pressing plate pre-contacts the sound box cloth and holds the sound box cloth in position on the placement plate, then the placement plate and the sound box cloth move downward under the holding of the cloth pre-pressing plate, then the side pressure and close block contacts the sound box cloth and passes through the first window, then the upper die contacts the sound box cloth, then the upper die and the sound box cloth move downward together and pass through the first window so that the sound box cloth is attached to the workpiece, at the same time, the heating plate generates heat to transfer heat to the upper die, so that the upper die hot-presses the sound box cloth to the workpiece, then the second driving device controls the side pressure and close block to move towards the upper die, so that the left and right sound box cloths are attached to the left and right sides of the workpiece, then the upper die moves upward away from the bottom die under the control of the first driving device, and then the workpiece with the attached sound box cloth is taken out.

2. The speaker cloth heat press according to claim 1, wherein: A heat insulation plate is arranged between the heating plate and the fixed plate.

3. The speaker fabric pressing machine of claim 1, wherein: The side pressure and close block is connected with a heat source.

4. The speaker fabric pressing machine of claim 1, wherein: The placement plate can be movably arranged on the body, a plurality of first supporting columns are arranged on the body around the outer periphery of the bottom die, springs are arranged on the outer sides of the first supporting columns, first mounting holes are formed in the placement plate corresponding to the first supporting columns, the first mounting holes are adapted to be positioned on the corresponding first supporting columns, and the two ends of the springs act on the placement plate and the body.

5. The speaker fabric pressing machine of claim 1, wherein: Four third supporting columns are arranged on the body around the outer periphery of the bottom die, mounting plates are arranged on the upper ends of the third supporting columns, the first driving device is arranged on the mounting plates, and the output end of the first driving device penetrates through the mounting plates and is connected to the fixed plate.

6. The speaker fabric pressing machine of claim 5, wherein: The body is provided with guide rods, the guide rods are arranged in at least two and left-right interval mode, upper ends of the guide rods are connected to the mounting plate, the fixing plate is provided with second mounting holes, the second mounting holes are adapted to be positioned on the guide rods, and the fixing plate is displaced up and down on the guide rods under control of the first driving device.

7. The speaker fabric pressing machine of claim 1, wherein: The body is provided with a safety mechanism, the safety mechanism includes sensors and an emergency stop switch, the sensors are arranged in at least two and left-right interval mode at front positions of the body, the sensors are located in front of the bottom die, and the emergency stop switch is connected to the sensors and the first driving device respectively.

8. The speaker fabric pressing machine of claim 7, wherein: The sensors are inductive gratings.

Images