Multi-station processing equipment for a gel mat

Abstract

The present invention discloses a multi-station processing device for gel pads. A multi-station processing device for gel pads includes an injection molding device and a forming device. The forming device includes a turntable, and at least three through holes are provided on the turntable, and a forming mold is installed at each through hole position; the injection molding device is connected to a central rotating shaft through a cross beam, and an injection molding gate is arranged below the middle of the cross beam; each time the turntable rotates a certain angle, a forming mold is sent directly below the injection molding gate for injection molding operation, and the blown molds after injection molding are simultaneously rotated out and sequentially subjected to heat dissipation cooling and mold opening and blanking operations; a lifting table is arranged directly below the injection molding gate under the turntable. The entire device of the present invention includes at least three sets of forming molds, and each forming mold corresponds to multiple stations such as injection molding, cooling, and mold opening at the same time point, which can realize the continuous processing of gel pads, improve the utilization rate of the device, and improve the processing efficiency of products.

Description

Technical Field

[0001] The present invention relates to a processing device for gel pads, specifically a multi-station processing device for gel pads. Background Art

[0002] Due to the material characteristics of high elasticity of gels, they have been widely used in seat cushions in recent years.

[0003] Existing gel seat cushions are all processed by injection molding. Here, because the thermal conductivity of gels is relatively poor, and the sizes of the seat cushions and pillows are relatively large, almost 0.4 - 1.0 square meters. These factors cause a large amount of time to be occupied by heat dissipation between injection molding and mold opening of the gel seat cushions. For existing single-station injection molding processing equipment, the heat dissipation process will form an idle process, which not only fails to effectively utilize the equipment, but most importantly, seriously affects the processing efficiency of products and is difficult to meet the large-scale production requirements of gel seat cushions. Summary of the Invention

[0004] Aiming at the above problems, the present invention designs a multi-station processing device for gel pads. The entire device includes at least three sets of molding molds arranged at intervals circumferentially. Each molding mold corresponds to multiple stations such as injection molding, cooling, and mold opening of the processing device at the same time point. It can realize continuous processing of gel pads, completely eliminate the idle process time during heat dissipation and cooling, improve the utilization rate of the equipment, improve the processing efficiency of products, and has good economic benefits.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A multi-station processing device for gel pads, including an injection molding device and a molding device, characterized in that: the molding device is a multi-station mechanism, which includes a turntable that intermittently rotates relative to a central axis. At least three through holes are arranged at equal intervals circumferentially on the turntable, and a molding mold that can be separated from and joined to the turntable up and down is installed at each through hole part; the injection molding device is connected to the central rotating shaft through a cross beam, and an injection molding gate is arranged below the middle of the cross beam; each time the turntable rotates an angle of 360° / number of through holes, a molding mold is sent directly below the injection molding gate for injection molding operation, and the injection-molded blow mold is simultaneously rotated out to sequentially perform heat dissipation cooling and mold opening and blanking operations; a lifting table is arranged directly below the injection molding gate under the turntable, and the lifting table rises to pass through the through hole on the turntable and drive the molding mold thereon to rise and combine with the injection molding gate for injection molding operation.

[0007] More specifically, the rotation of the above-mentioned turntable is driven by a turntable driving device, and the turntable driving device includes a driving motor, a speed reducer, and a driving gear disc; the speed reducer and the driving gear disc are installed below the turntable through a bottom bracket, and the driving motor drives the driving gear disc to rotate through the speed reducer; a group of rollers are arranged at equal intervals along the circumferential direction on the periphery of the bottom of the turntable, and the driving gear disc is tangent to the group of rollers and meshed with the rollers at the tangent position.

[0008] More specifically, a support and rotation enhancement device for the turntable is arranged below the above-mentioned turntable, and the support and rotation enhancement device includes an inner ring device and an outer ring device; the inner ring device includes at least three guide wheels, and the guide wheels are arranged at equal intervals along the circumferential direction. The guide wheels are installed below the turntable through a positioning bracket, and the tops of the guide wheels are in rolling contact with the bottom of the turntable. The setting directions of the guide wheels are consistent with the rotation direction of the turntable; the outer ring device includes at least three support wheels, and the support wheels are arranged at equal intervals along the circumferential direction. The support wheels are installed below the turntable through a fixing bracket, and the tops of the support wheels are in rolling contact with the bottom of the turntable. The setting directions of the support wheels are consistent with the rotation direction of the turntable.

[0009] More specifically, a cooling fan is arranged directly above the blowing mold at the heat dissipation station on the above-mentioned turntable, and the cooling fan is fixedly installed on the cross beam.

[0010] More specifically, proximity control switches are arranged on the outer edges corresponding to each forming mold on the above-mentioned turntable.

[0011] More specifically, a guiding mechanism is arranged between the above-mentioned forming mold and the turntable. The guiding mechanism includes several groups of guide rods and guide holes. Each group of guide rods and guide holes are respectively arranged on the surface of the turntable and the bottom surface of the forming mold, and the top of the guide rod is tapered.

[0012] More specifically, the above-mentioned forming mold includes a bottom template, a forming lower template, and a forming upper template, and the three templates are stacked in sequence from bottom to top; a gate is arranged on the forming upper template, and a product cavity is arranged between the forming upper template and the forming lower template; water cooling pipelines are arranged in both the forming upper template and the forming lower template, and the water cooling pipelines are in closed-loop connection with an external cooling water source.

[0013] More specifically, two support rods are provided on each side of the above-mentioned upper forming template, and at the same time, a long strip hole is provided on each side of the turntable for each forming mold; the turntable is provided with a mold opening mechanism at the corresponding mold opening station. The mold opening mechanism includes a bottom lifting mechanism located below the turntable. The bottom lifting mechanism mainly includes a lifting oil cylinder, a lifting plate, a guide plate and two lifting strips; the piston rod of the lifting oil cylinder is connected to the lifting plate, and a lifting rod is provided on each side of the lifting plate; the guide plate is positioned parallel above the lifting plate and is provided with a guide hole thereon; the upper end of each lifting rod passes through the guide hole and is connected to the lifting strip, and a mating groove corresponding to the position of the support rod is provided at the top of the lifting strip; the lifting strip passes through the long strip hole on the corresponding side under the action of the lifting oil cylinder to synchronously lift the support rod and the upper forming template on the corresponding side.

[0014] More specifically, the above-mentioned mold opening mechanism further includes a stop mechanism located above the turntable; the stop mechanism includes a positioning frame, one end of the positioning frame is fixed on the cross beam, and the other end of the positioning frame is a free end, which is suspended above the forming mold at the mold opening station. Two rollers are provided on both sides of the top of the free end, and the axes corresponding to the two rollers deviate inward from the inner support rod on the upper forming template by a certain distance.

[0015] More specifically, the shape of the above-mentioned gate is set to be "rice" shaped, "I" shaped or "cross" shaped.

[0016] A multi-station processing device for a gel mat designed by the present invention is provided with at least three forming molds evenly distributed at equal intervals along the circumference on the turntable. At each processing time point, each forming mold corresponds to multiple processing stations such as injection molding, heat dissipation, and mold opening, and after each rotation of the turntable, each forming mold rotates to the next station in sequence, so as to realize the continuous forming processing of the gel cushion. There is no ineffective idle stroke time in the whole processing process, which can effectively improve the utilization rate of the equipment and the processing efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The front view of the planar structure of the present invention;

[0018] Figure 2 The top view of the planar structure of the present invention;

[0019] Figure 3 The top view of the turntable of the present invention;

[0020] Figure 4 The structural schematic diagram of the blowing mold rising for injection molding and mold opening and blanking of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0021] Such as Figures 1-4As shown in the figure, a multi-station processing device for a gel mat includes an injection molding device 9 and a molding device.

[0022] The molding device is a multi-station mechanism, which includes a turntable 1. The turntable 1 can rotate intermittently relative to the central axis 11, rotating a certain angle each time and stopping for a period of time to perform corresponding injection molding, heat dissipation cooling, and mold opening and blanking operations. The lower part of the central axis 11 is positioned on the frame 2. At least three through holes 12 are arranged equidistantly along the circumference of the turntable 1, and a molding die 3 that can be separated from the turntable 1 up and down is installed at each through hole 12.

[0023] In the illustration of this embodiment, the number of through holes 12 is set to four, and the number of corresponding molding dies 3 is also four. During processing, each molding die 3 can respectively correspond to an injection molding station a, a heat dissipation station b, a mold opening station c, and a waiting station d. In practice, the number of through holes 12 can also be three, and the number of corresponding molding dies 3 is also three. During processing, each molding die 3 can respectively correspond to an injection molding station, a heat dissipation station, and a mold opening station. Of course, in order to obtain higher equipment utilization rate and processing efficiency, more than four through holes 12 and corresponding numbers of molding dies 3 can be set on the turntable, so as to form a many-to-many relationship between the molding dies 3 and the injection molding stations, heat dissipation stations, and mold opening stations. However, no matter how many the through holes 12 and the molding dies 3 are, their working principles and operating modes are the same, so they will not be repeated here.

[0024] The rotation of the turntable 1 is driven by a turntable driving device. The turntable driving device includes a driving motor 131, a speed reducer 133, and a driving gear disk 132. Among them, the speed reducer 133 and the driving gear disk 132 are installed below the turntable 1 through a bottom bracket, and the driving motor 131 drives the driving gear disk 132 to rotate through the speed reducer 133; a ring of roller groups 134 are arranged equidistantly along the circumference at the bottom of the turntable 1, and the driving gear disk 132 is tangent to the roller groups 134 and meshed with the roller 134a at the tangent position. During use, the entire turntable 1 is driven to rotate through the meshing connection between the driving gear disk 132 and each roller 134a.

[0025] Here, in order to effectively support the turntable 1 and at the same time reduce the rotation resistance, a support and rotation enhancement device for the turntable is provided below the turntable 1. The support and rotation enhancement device includes an inner ring device 14 and an outer ring device 15.

[0026] The inner ring device 14 includes at least three guide wheels 141, and the guide wheels 141 are circumferentially equidistantly distributed. The guide wheels 141 are installed on the frame 2 below the turntable 1 through a positioning frame 142. The top of the guide wheel 141 is in rolling contact with the bottom of the turntable 1, and the setting direction of each guide wheel 141 is consistent with the rotation direction of the turntable 1.

[0027] The outer ring device 15 includes at least three support wheels 151, and the support wheels 151 are circumferentially equidistantly distributed. The support wheels 151 are installed on the frame 2 below the turntable 1 through a fixing frame 152. The top of the support wheel 151 is in rolling contact with the bottom of the turntable 1, and the setting direction of each support wheel 151 is consistent with the rotation direction of the turntable 1.

[0028] When setting, it is best that the setting angles of the above guide wheels 141 and the setting angles of the support wheels 151 are staggered to provide more uniform support and guiding effects for the entire disk surface of the turntable 1.

[0029] The injection molding device 9 uses general equipment on the market, and it is connected to the central rotating shaft 11 through a cross beam 91. An injection molding gate 911 is arranged below the middle of the cross beam 91.

[0030] The turntable 1 rotates a certain angle each time and sends a molding die 3 to directly below the injection molding gate 911 for injection molding operations, while the blown mold 3 that has completed injection molding rotates out at the same time and sequentially performs heat dissipation and cooling, mold opening and blanking, injection molding waiting and other operations. The angle value of each rotation of the turntable is 360° / the number of through holes. In this figure, the number of through holes 12 is set to four, so the angle of each rotation of the turntable 3 is 90°. When the number of through holes 12 is set to 3, the angle of each rotation of the turntable 3 is 120°, and so on.

[0031] To accelerate the rapid cooling and heat dissipation of the blown mold that has completed injection molding, a cooling fan 4 is arranged above the molding die 3 at the heat dissipation station b of the turntable 1, and the cooling fan 4 is fixedly installed on the cross beam 91.

[0032] Here, to ensure the accuracy of the turntable 1 in place, proximity control switches 16 are arranged on the outer edge of the turntable 1 corresponding to each molding die 3. During operation, once the proximity control switch 16 rotates to the injection molding station a, it will be triggered to stop the rotation of the turntable 1.

[0033] A lifting table 5 is arranged below the turntable 1 directly below the injection gate 911. During operation, when the turntable 3 stops rotating, the lifting table 5 vertically rises through the through hole 12 on the turntable 1 driven by the working oil cylinder, and drives the molding die 3 thereon to rise and combine with the injection gate 911 for injection molding operation. After molding is completed, the lifting table 5 descends and resets to place the molding die 3 back into the turntable 1 again. Then the turntable 3 rotates again to send a new molding die 3 for injection molding operation, and the molded molding die 3 is rotated out to perform operations such as heat dissipation cooling and mold opening and blanking in sequence.

[0034] Here, to ensure the effective positioning of the molding die 3 during the up and down lifting process, a guiding mechanism 17 is arranged between the molding die 3 and the turntable 1. The guiding mechanism 17 includes several groups of guide rods 171 and guide holes 172 arranged around the through hole 12. Each group of guide rods 171 and guide holes 172 are respectively arranged on the surface of the turntable 1 and the bottom surface of the molding die 3. In this figure, the guide rods 171 are arranged on the turntable 1 and the guide holes 172 are arranged on the bottom surface of the molding die 3. In practice, the arrangement positions of the guide rods 171 and the guide holes 172 can be interchanged. The top end of the guide rod 171 is set to be conical to achieve automatic correction and guiding within a certain error range when inserted into the guide hole 172.

[0035] The molding die 3 includes a bottom template 31, a lower molding template 32, and an upper molding template 33. The three templates are stacked in sequence from bottom to top. A gate 331 is arranged on the upper molding template 33, and a product cavity is arranged between the upper molding template 33 and the lower molding template 32. At the same time, considering the need for heat dissipation and cooling after product molding, water cooling pipelines 34 are arranged in both the upper molding template 33 and the lower molding template 32, and the water cooling pipelines 34 are closed-loop connected to an external cooling water source.

[0036] Here, to meet the large-area injection molding needs of the gel cushion, effectively accelerate the injection speed, and ensure the injection uniformity of each part of the product, the shape of the gate 331 of the present invention can be set as "rice" shape, "I" shape, "cross" shape, etc. In this figure, only the "rice" shaped gate 331 is described, and in practice, other gate shapes with equivalent effects can also be used.

[0037] To achieve rapid mold opening and blanking at the mold opening station c, two support rods 332 are arranged on each side of the upper molding template 33 of each molding die 3, and at the same time, a long hole 18 is arranged on each side of the turntable 1 corresponding to each molding die 3.

[0038] The turntable 1 is provided with a mold opening mechanism at the place corresponding to the mold opening station a. The mold opening mechanism includes a bottom lifting mechanism 6 located below the turntable. The bottom lifting mechanism 6 mainly includes a lifting oil cylinder 61, a lifting plate 62, a guide plate 63 and two lifting bars 64. The lifting oil cylinder 61 can be set as a single-cylinder structure or a double-cylinder structure according to needs, and the corresponding structure is selected according to the actual processing accuracy in practice. The piston rod of the lifting oil cylinder 61 is connected to the lifting plate 62, and a lifting rod 621 is arranged on each side of the lifting plate 62. The guide plate 63 is positioned parallel above the lifting plate 62, and a guide hole 631 is arranged thereon. The upper end of each lifting rod 621 passes through the guide hole 631 and is connected to the lifting bar 64. A mating groove 641 corresponding to the position of the support rod 332 is arranged at the top of the lifting bar 64. The lifting bar 64 passes through the long hole 18 on the corresponding side under the action of the lifting oil cylinder 61, so that the support rod 332 on the corresponding side enters the corresponding mating groove 641. Then, as the lifting bar 64 continues to rise, it will drive the support rod 332 and the upper forming template 33 to be lifted synchronously, realizing the separation of the upper forming template 33 and the lower forming template 32.

[0039] Here, for the convenience of manual blanking, the mold opening mechanism further includes a stop mechanism 7 located above the turntable 1. The stop mechanism 7 includes a positioning frame 71. One end of the positioning frame 71 is fixed on the cross beam 91, and the other end of the positioning frame 71 is a free end, which is suspended above the forming mold 3 at the mold opening station c. Two rollers 711 are arranged on both sides of the top of the free end. The axes corresponding to the two rollers 711 deviate inward from the inner support rod 332 on the upper forming template 33 by a certain distance. During use, once the upper forming template 33 rises to a certain distance, the inner side of the top surface of the upper forming template 33 will abut and connect with the rollers 711. Due to the misalignment setting of the positions of the rollers 711 and the inner support rod 332, as the upper forming template 33 continues to rise, the entire upper forming template 33 will rotate relative to the inner support rod 332 thereof and tilt by a certain angle, providing a larger operating space for manual blanking. After blanking is completed, the lifting oil cylinder resets to realize the reverse rotation and downward reset of the upper forming template 33 until the upper forming template 33 is stacked on the lower forming template 32.

[0040] In summary, the present invention is designed as a multi-station processing device for gel pads. At least three forming molds 3 are arranged at equal intervals along the circumference on the turntable 1. Each forming mold 3 corresponds to multiple stations such as injection molding, cooling, and mold opening of the processing device at the same time node, and corresponding operations are carried out simultaneously. After the operations are completed, the turntable 1 rotates by a corresponding angle, so that each forming mold 3 rotates to the next station in sequence to realize continuous processing. There is no ineffective idle stroke time in the whole processing process, which can effectively improve the utilization rate of the equipment and the processing efficiency of the product.

[0041] The above is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Any simple modification, equivalent change or modification made to the above embodiments based on the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A multi-station processing device for a gel mat, comprising an injection molding device and a forming device, characterized in that: The forming device is a multi-station mechanism, which includes a turntable that intermittently rotates relative to the central axis. There are at least three through holes arranged at equal intervals along the circumference on the turntable, and a forming die that can be separated from and joined to the turntable vertically is installed at each through hole position; the injection molding device is connected to the central rotating shaft through a cross beam, and an injection molding gate is arranged below the middle of the cross beam; each time the turntable rotates an angle of 360° / the number of through holes, a forming die is sent directly below the injection molding gate for injection molding operation. The blown mold after injection molding is simultaneously rotated out and sequentially undergoes heat dissipation cooling and mold opening and blanking operations; a lifting table is arranged directly below the injection molding gate under the turntable. The lifting table rises to pass through the through hole on the turntable and drives the forming die thereon to rise and combine with the injection molding gate for injection molding operation; the rotation of the turntable is driven by a turntable drive device, and the turntable drive device includes a drive motor, a reducer, and a drive gear disk; the reducer and the drive gear disk are installed below the turntable through a bottom bracket, and the drive motor drives the drive gear disk to rotate through the reducer; a set of roller groups evenly distributed along the circumference is arranged around the bottom of the turntable, and the drive gear disk is tangent to the roller group and meshed with the roller at the tangent position; a support and rotation enhancement device for the turntable is arranged below the turntable, and this support and rotation enhancement device includes an inner ring device and an outer ring device; the inner ring device includes at least three guide wheels, and the guide wheels are evenly distributed along the circumference. The guide wheels are installed below the turntable through a positioning frame, and the top of the guide wheel is in rolling contact with the bottom of the turntable. The setting direction of each guide wheel is consistent with the rotation direction of the turntable; the outer ring device includes at least three support wheels, and the support wheels are evenly distributed along the circumference. The support wheels are installed below the turntable through a fixing frame, and the top of the support wheel is in rolling contact with the bottom of the turntable. The setting direction of each support wheel is consistent with the rotation direction of the turntable.

2. The multi-station processing equipment for a gel mat according to claim 1, characterized in that: A cooling fan is arranged directly above the blown mold at the heat dissipation station on the turntable, and the cooling fan is fixedly installed on the cross beam.

3. The multi-station processing equipment for a gel mat as claimed in claim 1, wherein: Proximity control switches are arranged on the outer edge of the turntable corresponding to each forming die.

4. A multi-station processing device for a gel mat according to any one of claims 1-3, characterized in that: A guiding mechanism is arranged between the forming die and the turntable. The guiding mechanism includes several groups of guide rods and guide holes. Each group of guide rods and guide holes are respectively arranged on the surface of the turntable and the bottom surface of the forming die, and the top of the guide rod is set in a conical shape.

5. A multi-station processing device for a gel mat according to any one of claims 1-3, characterized in that: The forming die includes a bottom template, a forming lower template, and a forming upper template, and the three templates are stacked in sequence from bottom to top; a gate is arranged on the forming upper template, and a product cavity is arranged between the forming upper template and the forming lower template; water cooling pipelines are arranged in both the forming upper template and the forming lower template, and the water cooling pipelines are in closed-loop communication with an external cooling water source.

6. The multi-station processing equipment for a gel mat according to claim 5, characterized in that: Two support rods are arranged on each side of the upper forming template. At the same time, a long slot is arranged on each side of each forming die on the turntable. A mold opening mechanism is arranged at the position corresponding to the mold opening station on the turntable. The mold opening mechanism includes a bottom lifting mechanism located below the turntable. The bottom lifting mechanism mainly includes a lifting oil cylinder, a lifting plate, a guide plate and two lifting bars. The piston rod of the lifting oil cylinder is connected to the lifting plate, and a lifting rod is arranged on each side of the lifting plate. The guide plate is positioned parallel above the lifting plate and is provided with a guide hole thereon. The upper end of each lifting rod passes through the guide hole and is connected to the lifting bar. A matching groove corresponding to the position of the support rod is arranged at the top of the lifting bar. The lifting bar passes through the long slot on the corresponding side under the action of the lifting oil cylinder to lift the support rod and the upper forming template on the corresponding side synchronously.

7. The multi-station processing equipment for a gel mat according to claim 6, wherein: The mold opening mechanism further includes a stopping mechanism located above the turntable. The stopping mechanism includes a positioning frame. One end of the positioning frame is fixed on the cross beam, and the other end of the positioning frame is a free end, which is suspended above the forming die at the mold opening station. Two rollers are arranged on both sides of the top of the free end, and the axes corresponding to the two rollers deviate inward from the inner support rod on the upper forming template by a certain distance.

8. The multi-station processing equipment for a gel mat according to claim 5, characterized in that: The shape of the gate is set as "rice" shape or "I" shape or "cross" shape.

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