CN110884142A - Hollow plastic plate welding machine and welding process thereof - Google Patents

Abstract

The invention discloses a hollow plastic plate welding machine, which comprises a rack, a fixed portal frame and a movable portal frame, wherein the fixed portal frame and the movable portal frame are arranged in the rack, a table board is arranged in the rack, the fixed portal frame is fixed on the table board, the movable portal frame and the fixed portal frame are oppositely arranged, and can be movably arranged on the table panel, two portal frames are respectively provided with an ultrasonic welding assembly, a side pressing assembly and an end pressing assembly, each portal frame is provided with two groups of ultrasonic welding assemblies, welding heads of the two groups of ultrasonic welding assemblies are arranged oppositely up and down, respectively acting on the upper surface and the lower surface of the spliced part of the PVC main body and the PP end, positioning two ends of the hollow plastic plate to be welded at portal frames at two sides, and the upper and lower sides of the PVC main body are clamped by the side pressing assemblies at each end, the PP end is pressed towards the PVC main body by the end pressing assemblies, and then the two groups of ultrasonic welding assemblies are used for carrying out double-sided welding. The invention also discloses a welding process of the hollow plastic plate welding machine.

Description

Hollow plastic plate welding machine and welding process thereof

Technical Field

The invention relates to plastic plate forming equipment, in particular to a hollow plastic plate welding machine and a welding process thereof.

Background

In the current home decoration industry, in order to meet the simple use requirement, a plurality of cabinets are built by plastic plates, and the cabinet is convenient to use, light and low in manufacturing cost. Such hollow plastic panels generally consist of a PVC body and two PP ends, and when leaving the factory, the body and ends need to be fixed as a whole to form a finished panel for later assembly.

When the hollow plastic plate is produced, the glue is adhered and fixed in the traditional mode, but the glue adhesion is not environment-friendly, the phenomenon of glue overflow or glue shortage due to too much or too little glue is easy to occur, and the appearance of the product is influenced or the reliable fixation is influenced. At present, advanced equipment generally adopts laser welding or ultrasonic welding mode to go on, and equipment cost is high, and generally cooperates manual operation to use, needs manual operation to amalgamate end and main part before the welding, goes on again and goes up auxiliary operation such as unloading, location, upset, head-changing welding, and the step is various, and production efficiency is low, and it is not in place or excessive problem to appear compressing tightly easily, and welding quality is good and uneven. Therefore, it is desirable to develop a welding device for manufacturing hollow plastic plates.

Disclosure of Invention

Based on the above, the invention aims to provide a hollow plastic plate welding machine and a welding process thereof, which are used for designing the whole structure and the corresponding process flow, intelligently completing a series of welding actions and realizing automatic production.

In order to achieve the purpose, the invention adopts the following technical scheme:

a hollow plastic plate welding machine comprises a PVC main body and PP ends positioned at two end parts of the PVC main body, the welding machine comprises a frame, a fixed portal frame and a movable portal frame, wherein the fixed portal frame and the movable portal frame are arranged in the frame, a table board is arranged in the frame, the fixed portal frame is fixed on the table board, the movable portal frame and the fixed portal frame are oppositely arranged and can be movably arranged on the table board, ultrasonic welding assemblies, a side pressing assembly and an end pressing assembly are respectively arranged on the two portal frames, two groups of ultrasonic welding assemblies are respectively arranged on each portal frame, welding heads of the two groups of ultrasonic welding assemblies are oppositely arranged up and down and respectively act on the upper surface and the lower surface of a splicing part of the PVC main body and the PP ends, two ends of a hollow plastic plate to be welded are positioned at the portal frames at two sides, each end is clamped on the upper side surface and the lower side surface of the PVC main body by the side pressing assembly, and then two groups of ultrasonic welding assemblies are used for carrying out double-sided welding.

The welding machine further comprises translation assemblies, the two translation assemblies are located between the two portal frames, each translation assembly is arranged on one side of the corresponding portal frame, each translation assembly comprises an installation bottom plate, a moving plate and a material supporting plate, the installation bottom plates are fixed on the corresponding portal frames, material loading stations are sequentially arranged on the installation bottom plates, welding stations and discharging stations, translation guide rails are arranged on one faces, close to welding heads, of the installation bottom plates, sliders matched with the translation guide rails are arranged on the moving plates, material supporting cylinders are arranged on the moving plates, the material supporting plates are arranged on output rods of the material supporting cylinders, the moving plates are driven by the translation cylinders to move along the translation guide rails, and the material supporting plates are enabled to be moved among the three stations.

Wherein, all be provided with the blowing support on material loading station and the unloading station, be provided with spacing seat on the welding station, the one end of spacing seat sets up first stopper, and the other end is provided with spacing cylinder, is provided with the second stopper on the output rod of spacing cylinder, and first stopper and the spacing block of second form the butt clamp, and is spacing to the both sides limit of cavity plastic slab.

The two ends of the rack are provided with a feeding window and a discharging window corresponding to the feeding station and the discharging station, the rack at the end of the feeding window is provided with an operating panel, a switch panel and a working state indicator lamp, and the two sides of the rack are provided with side opening doors corresponding to the two portal frames.

Wherein, the side compresses tightly the subassembly and includes bracing piece and pre-compaction pole, and the bracing piece flushes with the working plane of below soldered connection, and pre-compaction pole is located the top of bracing piece and can be for the bracing piece up-and-down motion to the both ends of cavity plastic slab are fixed to the clamp, all are provided with the pre-compaction cylinder of drive pre-compaction pole on two portal frames.

The end jacking assembly comprises an end limiting block and a jacking air cylinder, the end limiting block is attached to the PP end, the cylinder body of the jacking air cylinder is fixed on a corresponding portal frame, and the output rod is fixedly connected with the end limiting block, so that the PP end and the PVC main body are tightly spliced.

The welding machine further comprises a length adjusting assembly, the length adjusting assembly comprises a guide screw rod and an adjusting motor, the two guide screw rods are correspondingly located on two sides of the two portal frames, two ends of the guide screw rod are fixed on the table board through hinged seats respectively, a screw nut is arranged on the guide screw rod in a matched mode, the adjusting motor is connected with one of the guide screw rods in a transmission mode, synchronous belt linkage is adopted between the two guide screw rods, the movable portal frame is fixedly connected with the screw nuts on two sides, and therefore the distance between the two portal frames is adjusted according to the length of the hollow plastic board.

Wherein, the welding machine still includes a roll membrane module, and every ultrasonic bonding subassembly of group is provided with a roll membrane module, rolls up the membrane module and includes the rolling dish, unreels the dish and around rolling up in protection film between the two, and the rolling dish, unreel the dish and set up in the both ends that correspond the soldered connection of ultrasonic bonding subassembly, and the protection film is worn to walk between soldered connection and cavity plastic slab.

The ultrasonic welding assemblies on the lower side in the two groups of ultrasonic welding assemblies are fixed on the corresponding portal frames, the tops of the ultrasonic welding assemblies on the upper side are provided with a plurality of guide pillars, connecting plates are fixedly arranged on the guide pillars, lifting cylinders which are provided with guide sleeves and drive the connecting plates are arranged on the corresponding portal frames corresponding to the guide pillars, and the ultrasonic welding assemblies on the upper side are driven to move.

A welding process of a hollow plastic plate welding machine comprises the following steps:

1) placing the pre-assembled hollow plastic plate on a feeding station from a feeding window;

2) sending a starting instruction through a switch panel and an operation panel;

3) moving the hollow plastic plate to a welding station through a translation assembly;

4) the length adjusting assembly adjusts the distance between the two portal frames according to the plate length, the side pressing assembly clamps and fixes the upper surface and the lower surface of the PVC main body of the hollow plastic plate, and the end pressing assembly presses the PP end of the hollow plastic plate to the PVC main body;

5) the upper surface and the lower surface of the splicing part of the PVC main body and the PP end at two ends are simultaneously welded by ultrasonic welding components on portal frames at two sides;

6) the welded hollow plastic plate is moved to a blanking station through the translation assembly and taken out from a blanking window, so that a process period is formed.

Compared with the prior art, the hollow plastic plate welding machine and the welding process thereof have the advantages that the welding structure of the upper layer and the lower layer on two sides is designed according to the requirements of welding two ends and two sides of the plates, the PVC main body and the PP end of the plates are reliably pre-fixed before splicing and welding, the welding quality is ensured, in addition, the adjustable design is carried out on the plates with different sizes, the universality is strong, the arrangement of a feeding and discharging translation device and the like is high, the mechanization degree is high, the hollow plastic plate welding machine is suitable for automatic production of a production line, the working efficiency is high, and the finished product is attractive.

Drawings

FIG. 1 is an overall external view of a hollow plastic panel welding machine provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a hollow plastic plate welding machine provided by an embodiment of the present invention;

FIG. 3 is a side view of a hollow plastic panel welding machine provided by an embodiment of the present invention;

FIG. 4 is a top view of a hollow plastic panel welding machine provided by an embodiment of the present invention;

FIG. 5 is a view showing an internal structure of a hollow plastic plate welding machine according to an embodiment of the present invention;

fig. 6 is an enlarged view at a in fig. 5.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1 to 6, the present embodiment provides a welding machine for a hollow plastic plate, wherein the hollow plastic plate includes a PVC body and PP ends at ends thereof.

This welding machine includes frame 1 and sets up in 1 inside fixed portal frame 2 of frame, removes portal frame 3, is provided with deck plate 4 in the frame 1, and on fixed portal frame 2 was fixed in deck plate 4, remove portal frame 3 and fixed portal frame 2 opposition and establish, and can set up movably on deck plate 4, specifically realize through length adjustment subassembly.

The length adjustment assembly comprises guide screw rods 5 and adjusting motors 6, the two guide screw rods 5 are correspondingly located on two sides of two portal frames, two ends of each guide screw rod 5 are fixed on the table board 4 through hinged seats respectively, the guide screw rods 5 are provided with screw nuts 7 in a matched mode, the adjusting motors 6 are in transmission connection with one of the guide screw rods 5, synchronous belt linkage is adopted between the two guide screw rods 5, the movable portal frame 3 is fixedly connected with the screw nuts 7 on two sides, and therefore the distance between the two portal frames is adjusted according to the length of the hollow plastic board.

All be provided with ultrasonic welding subassembly on two portal frames, the side compresses tightly the subassembly, tip roof pressure subassembly, all be provided with two sets of ultrasonic welding subassemblies on every portal frame, and relative arrangement about the soldered connection 8 of two sets of ultrasonic welding subassemblies, and act on the upper and lower surface of PVC main part and PP end concatenation department respectively, utilize ultrasonic wave high frequency vibration ripples to transmit PVC and PP object surface, convert into heat energy through the friction, make two object surface looks mutual friction form the fusion between the sublayer under the pressurized condition. Specifically, the ultrasonic welding subassembly of below is fixed in on corresponding the portal frame in two sets of ultrasonic welding subassemblies, and the top of the ultrasonic welding subassembly of top is provided with a plurality of guide pillar 9, has set firmly connecting plate 10 on the guide pillar 9, corresponds on the portal frame and is provided with the guide pin bushing and be provided with the lift cylinder 11 of drive connecting plate 10 corresponding guide pillar 9, and then the ultrasonic welding subassembly motion of drive top.

The welding machine further comprises translation assemblies, the two translation assemblies are located between the two portal frames, each translation assembly is arranged on one side of the corresponding portal frame, each translation assembly comprises a mounting bottom plate 12, a moving plate and a material supporting plate 13, the mounting bottom plates 12 are fixed on the corresponding portal frames, a feeding station 16, a welding station 17 and a discharging station 18 are sequentially arranged on the mounting bottom plates 12, translation guide rails 14 are arranged on one surfaces, close to welding heads 8, of the mounting bottom plates 12, sliders matched with the translation guide rails 14 are arranged on the moving plates, material supporting cylinders 15 are arranged on the moving plates, the material supporting plates 13 are arranged on output rods of the material supporting cylinders 15, the moving plates are driven by the translation cylinders to move along the translation guide rails 14, and the material supporting plates 13 are made to rotate among the. Particularly, in order to improve the action efficiency of the retainer plates 13, two retainer plates 13 can be arranged in a linkage mode for three stations.

All be provided with the blowing support on material loading station 16 and the unloading station 18, be provided with spacing seat 19 on the welding station 17, the one end of spacing seat 19 sets up first stopper 20, and the other end is provided with spacing cylinder 21, is provided with second stopper 22 on the output rod of spacing cylinder 21, and first stopper 20 and second stopper 22 form the butt clamp, and is spacing to the both sides limit of cavity plastic slab.

Two ends of the frame 1 are provided with a feeding window 23 and a discharging window corresponding to the feeding station 16 and the discharging station 18, the frame 1 at the end of the feeding window 23 is provided with an operating panel 25, a switch panel 26 and a working state indicator lamp 27, two sides of the frame 1 are provided with side opening doors 28 corresponding to the two portal frames, and the rest are separately packaged through the shell plates 24.

The side compresses tightly the subassembly and includes bracing piece 29 and pre-compaction pole 30, and bracing piece 29 flushes with the working plane of below soldered connection 8, and pre-compaction pole 30 is located the top of bracing piece 29 and can be for bracing piece 29 up-and-down motion to fixed to the both ends butt clamp of cavity plastic slab, all be provided with the pre-compaction cylinder 31 of drive pre-compaction pole 30 on two portal frames, pre-compaction pole 30 with be provided with the polyurethane briquetting on the face of PVC main part contact, avoid damaging the product surface.

The end jacking assembly comprises an end limiting block 32 and a jacking cylinder 33, the end limiting block 32 is attached to the PP end, the cylinder body of the jacking cylinder 33 is fixed on a corresponding portal frame, and the output rod is fixedly connected with the end limiting block 32, so that the PP end and the PVC main body are tightly spliced.

The welding machine is still including rolling up membrane module 34, and every group ultrasonic welding subassembly is provided with one and rolls up membrane module 34, rolls up membrane module 34 and includes the rolling dish, unreels the dish and around rolling up in protection film 35 between the two, and the rolling dish, unreel the dish and set up in the both ends that correspond ultrasonic welding subassembly's soldered connection 8, and protection film 35 is worn to walk between soldered connection 8 and the cavity plastic slab. Both ends of the support rod 29 and the pre-pressing rod 30 are provided with guide rollers, and the protective film 35 turns around the guide rollers.

Aiming at the welding machine, the embodiment also provides a welding process of the hollow plastic plate welding machine, which comprises the following steps:

1) placing the pre-assembled hollow plastic plate on the feeding station 16 from the feeding window 23;

2) a start instruction is sent through the switch panel 26 and the operation panel 25;

3) the hollow plastic plate is moved to a welding station 17 by a translation assembly;

4) the length adjusting assembly adjusts the distance between the two portal frames according to the plate length, the side pressing assembly clamps and fixes the upper surface and the lower surface of the PVC main body of the hollow plastic plate, and the end pressing assembly presses the PP end of the hollow plastic plate to the PVC main body;

5) the upper surface and the lower surface of the splicing part of the PVC main body and the PP end at two ends are simultaneously welded by ultrasonic welding components on portal frames at two sides;

6) the welded hollow plastic plate is moved to the blanking station 18 by the translation assembly and is taken out of the blanking window 24, forming a process cycle.

In conclusion, the welding machine for the hollow plastic plate and the welding process thereof have the advantages that the upper layer welding structure and the lower layer welding structure are designed according to the requirement of double-side welding of the plate, the PVC main body and the PP end of the plate are reliably pre-fixed before splicing and welding, the welding quality is ensured, the mechanization degree is high, the welding machine is suitable for automatic production of a production line, the working efficiency is high, and the finished product is attractive.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A hollow plastic plate welding machine, the hollow plastic plate comprises a PVC main body and PP ends positioned at two end parts of the PVC main body, and is characterized in that,

the welding machine comprises a frame, a fixed portal frame and a movable portal frame, wherein the fixed portal frame and the movable portal frame are arranged in the frame, a table board is arranged in the frame, the fixed portal frame is fixed on the table board, the movable portal frame is opposite to the fixed portal frame and can be movably arranged on the table board,

the two portal frames are respectively provided with an ultrasonic welding assembly, a side pressing assembly and an end pressing assembly, each portal frame is provided with two groups of ultrasonic welding assemblies, welding heads of the two groups of ultrasonic welding assemblies are oppositely arranged up and down and respectively act on the upper surface and the lower surface of the splicing part of the PVC main body and the PP end,

two ends of the hollow plastic plate to be welded are positioned at portal frames on two sides, the upper side and the lower side of the PVC main body are clamped by the side pressing assemblies at each end, the PP end is pressed towards the PVC main body by the end pressing assemblies, and then two sides of the hollow plastic plate are welded by the two groups of ultrasonic welding assemblies.

2. A hollow plastic panel welding machine according to claim 1, characterized in that: the welding machine further comprises translation assemblies, the translation assemblies are located between the two portal frames, each translation assembly is arranged on one side of the corresponding portal frame and comprises an installation bottom plate, a moving plate and a material supporting plate, the installation bottom plates are fixed on the corresponding portal frames, a feeding station, a welding station and a discharging station are sequentially arranged on the installation bottom plates, translation guide rails are arranged on one faces, close to welding heads, of the installation bottom plates, sliders matched with the translation guide rails are arranged on the moving plates, material supporting cylinders are arranged on the moving plates, the material supporting plates are arranged on output rods of the material supporting cylinders, and the moving plates are driven by the translation cylinders to move along the translation guide rails, so that the material supporting plates are moved among the three stations.

3. A hollow plastic panel welding machine according to claim 2, characterized in that: the feeding station and the discharging station are both provided with discharging supports, the welding station is provided with a limiting seat, one end of the limiting seat is provided with a first limiting block, the other end of the limiting seat is provided with a limiting cylinder, a second limiting block is arranged on an output rod of the limiting cylinder, and the first limiting block and the second limiting block form a butt clamp and limit two side edges of the hollow plastic plate.

4. A hollow plastic panel welding machine according to claim 2, characterized in that: the two ends of the rack are provided with a feeding window and a discharging window corresponding to the feeding station and the discharging station, the rack at the end of the feeding window is provided with an operating panel, a switch panel and a working state indicator lamp, and the two sides of the rack are provided with side opening doors corresponding to the two portal frames.

5. A hollow plastic panel welding machine according to claim 1, characterized in that: the side compresses tightly the subassembly and includes bracing piece and pre-compaction pole, the bracing piece flushes with the working plane of below soldered connection, the pre-compaction pole is located the top of bracing piece and can for the bracing piece up-and-down motion to the both ends butt clamp of cavity plastic slab is fixed, all is provided with the drive on two portal frames the pre-compaction cylinder of pre-compaction pole.

6. A hollow plastic panel welding machine according to claim 1, characterized in that: the end jacking assembly comprises an end limiting block and a jacking air cylinder, the end limiting block is attached to the PP end, the cylinder body of the jacking air cylinder is fixed on a corresponding portal frame, and the output rod is fixedly connected with the end limiting block, so that the PP end and the PVC main body are tightly spliced.

7. A hollow plastic panel welding machine according to claim 1, characterized in that: the welding machine further comprises a length adjusting assembly, the length adjusting assembly comprises a guide screw rod and an adjusting motor, the guide screw rod corresponds to two sides of the two portal frames, two ends of the guide screw rod are fixed on the table panel through hinged seats respectively, a screw nut is arranged on the guide screw rod in a matched mode, the adjusting motor is in transmission connection with one of the guide screw rods, synchronous belt linkage is adopted between the two guide screw rods, the movable portal frame is fixedly connected with the screw nuts on two sides, and therefore the distance between the two portal frames is adjusted according to the length of the hollow plastic plate.

8. A hollow plastic panel welding machine according to claim 1, characterized in that: the welding machine further comprises a film rolling assembly, each group of ultrasonic welding assemblies is provided with one film rolling assembly, each film rolling assembly comprises a rolling disc, an unwinding disc and a protective film wound between the rolling disc and the unwinding disc, the rolling discs and the unwinding discs are arranged at two ends of a welding head corresponding to the ultrasonic welding assemblies, and the protective film penetrates between the welding head and the hollow plastic plate.

9. A hollow plastic panel welding machine according to claim 1, characterized in that: the ultrasonic welding subassembly of below is fixed in on corresponding the portal frame in two sets of ultrasonic welding subassemblies, and the top of the ultrasonic welding subassembly of top is provided with a plurality of guide pillar, the connecting plate has set firmly on the guide pillar, corresponds on the corresponding portal frame the guide pillar is provided with the guide pin bushing and is provided with the drive the lift cylinder of connecting plate, and then the ultrasonic welding subassembly motion of drive top.

10. A welding process of a hollow plastic plate welder according to any of the claims 1 to 9, characterized by comprising the steps of:

1) placing the pre-assembled hollow plastic plate on a feeding station from a feeding window;

2) sending a starting instruction through a switch panel and an operation panel;

3) moving the hollow plastic plate to a welding station through a translation assembly;

4) the length adjusting assembly adjusts the distance between the two portal frames according to the plate length, the side pressing assembly clamps and fixes the upper surface and the lower surface of the PVC main body of the hollow plastic plate, and the end pressing assembly presses the PP end of the hollow plastic plate to the PVC main body;

5) the upper surface and the lower surface of the splicing part of the PVC main body and the PP end at two ends are simultaneously welded by ultrasonic welding components on portal frames at two sides;

6) the welded hollow plastic plate is moved to a blanking station through the translation assembly and taken out from a blanking window, so that a process period is formed.

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