Prefabricated pipe seal forming mechanism and pipe seal preparation assembly line

Abstract

The invention provides a prefabricated pipe seal forming mechanism. The prefabricated pipe seal forming mechanism comprises a turnover type pipe seal template and a turnover shaping mechanism for driving the pipe seal template to be turned over. Through cooperative linkage of the downward pressing assembly and the upward turning assembly, accurate and synchronous turning and efficient shaping of the pipe sealing formwork side plates are achieved. The invention further discloses a prefabricated pipe seal preparation assembly line which comprises the forming mechanism and further comprises a conveying mechanism and further comprises a template feeding assembly, a dry powder feeding assembly A, a sound insulation part feeding assembly, a dry powder feeding assembly B, the forming mechanism and a template discharging assembly which are sequentially carried on the conveying mechanism. Through modular process integration and automatic cooperative control, efficient and continuous production of composite pipe sealing products is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated tube seal preparation, and in particular to a prefabricated tube seal forming mechanism and a tube seal preparation production line. Background Art

[0002] In building decoration, for pipe packaging, considering environmental protection, simplicity, efficiency, and lightweight requirements, fine aggregate prefabricated panels have been widely used for packaging. Because most pipes are located in the corners of the wall and can be spliced ​​into a rectangle with two L-shaped panels, the cross-section of the pipe packaging prefabricated panels is mostly L-shaped. The company's previous application for the grabbing structure and the integrated molding equipment based on the prefabricated pipe seal is CN117963519A. The molding equipment of the prefabricated pipe seal is completed after the wet slurry concrete is filled in the template. However, the most important core problem of the wet slurry concrete in the transmission and production process is that it will seriously pollute the equipment, such as the mixer and the hopper. Because the wet slurry concrete needs to be leveled in the mold, in this process, the excess wet slurry concrete will overflow from the mold and cause pollution to the equipment; after research and development, the company has developed a new process, which directly loads dry powder in the mold, sprays water mist on the dry powder, and uses a vibration machine instead of a mixing machine to evenly flatten the water-cement material in the mold to form mortar, effectively realizing on-site water-cement mixing, and finally using a roller structure to level the mortar. However, the prefabricated pipe sealing template in the prior art adopts a fixed L-shaped design. The L-shaped template is not convenient for achieving water-cement mixing of dry powder and water mist. Due to the constraint of the L-shaped template, the dry powder is easily slipped after loading. Due to the limitation of the L-shaped template structure, it is difficult to achieve an efficient working process for dry powder loading, resulting in low overall work efficiency. Summary of the invention

[0003] The present invention provides a prefabricated pipe seal forming mechanism and a pipe seal preparation production line, which solves the problem in the prior art that wet slurry concrete is easy to pollute equipment and has low efficiency during the production process.

[0004] The technical solution of the present invention is achieved in this way:

[0005] A prefabricated tube seal forming mechanism, comprising a folding tube seal template and a folding and shaping mechanism for driving the tube seal template to fold;

[0006] The pipe sealing template comprises a side plate A and a side plate B which are hinged to each other;

[0007] The folding and shaping mechanism includes a downward pressing component and an upward turning component located below the downward pressing component; the downward pressing component is composed of an oil cylinder A and a downward pressing mold, the lower part of the downward pressing mold is at a right angle, and the upper part is fixed to the output end of the oil cylinder A;

[0008] The flip assembly includes a cylinder B and a connecting frame arranged on the periphery of the cylinder B, the connecting frame is fixed with guide rods located on both sides of the cylinder B, and the two guide rods are slidably provided with lifting plates fixed to the output end of the cylinder B at the bottom, at least one connecting rod is hinged on each side of the lifting plate, and a flap A and a flap B are hinged on the top of the connecting rods on both sides, respectively, and the flap A and the flap B are hinged through a plurality of hinge seats, and an L-shaped arm with one end fixed to the side of the connecting frame is fixed below the hinge seat; wherein the right angle line of the pressing mold is aligned with the folding line between the flap A and the flap B;

[0009] The side panels A and B of the pipe sealing template are respectively placed on the flap A and the flap B, and the cylinder A pushes the pressing die downward between the corresponding side panels A and B; the cylinder B rises and pushes the lifting plate to act on the connecting rod, and the connecting rod pushes the flap A and the flap B upward to flip along the hinge seat, so that the side panels A and the side panels B flip at the same time and stick to the right angles of the pressing die.

[0010] Furthermore, the relative rotation angle between the side panel A and the side panel B is 90-180°; and the separated sides of the side panel A and the side panel B are each provided with a limiting strip.

[0011] The pipe seal preparation line includes the molding mechanism, a conveying mechanism, and a template loading assembly, a dry powder loading assembly A, a sound insulation component loading assembly, a dry powder loading assembly B, a molding mechanism, and a template unloading assembly which are sequentially mounted on the conveying mechanism; and also includes a water spraying assembly and a dust collecting assembly which are respectively arranged behind the dry powder loading assembly A and the dry powder loading assembly B;

[0012] The pipe sealing template is grabbed by the template loading assembly to the conveying mechanism, and the dry powder loading assembly A, the sound insulation component loading assembly, and the dry powder loading assembly B respectively load the dry powder and the sound insulation component into the pipe sealing template on the conveying mechanism, and the water spray assembly sprays the dry powder, and the dust is absorbed by the dust suction assembly, and the molding mechanism flips the molding and cooperates with the template unloading assembly to unload the pipe sealing template.

[0013] Furthermore, the conveying mechanism is composed of a plurality of basic frames spliced ​​together, and a chain conveyor belt and a plurality of guide wheel groups arranged in parallel for guiding and conveying the pipe sealing template are provided on the basic frame, and a paddle is provided on the chain conveyor belt for continuously conveying the pipe sealing template; a work station frame for loading and feeding components is mounted above the basic frame.

[0014] Furthermore, the template loading assembly includes a dual-axis module consisting of a horizontal linear module A and a vertical linear module A, and a mechanical gripper A arranged at the lower end of the vertical linear module A; one end of the horizontal linear module A is mounted above the first-position workstation frame, and a pillar A is provided below the other end; wherein the first-position workstation frame is open at the direction of movement of the horizontal linear module A.

[0015] Furthermore, the dry powder feeding assembly A includes a hopper A arranged in the workstation frame, and a guide plate A fixed to the discharge port below the hopper A; a vibration plate A located below the guide plate A is installed above the basic frame, and a vibration motor A is provided on the top of the vibration plate A.

[0016] Furthermore, the sound insulation loading assembly includes a dual-axis module consisting of a horizontal linear module B and a vertical linear module B, and a mechanical gripper B arranged at the lower end of the vertical linear module B; one end of the horizontal linear module B is erected above the workstation frame, and a pillar B is provided below the other end; wherein the workstation frame is open at the direction of movement of the horizontal linear module B.

[0017] Furthermore, the dry powder feeding assembly B includes a hopper B arranged in the workstation frame, and a guide plate B fixed to the discharge port below the hopper B; a vibration plate B located below the guide plate B is installed above the basic frame, and a vibration motor B is provided on the top of the vibration plate B.

[0018] Furthermore, the forming mechanism is arranged at the final position of the conveying mechanism, wherein the top of the oil cylinder A is fixed on the final position workstation frame, and the two sides of the connecting frame are respectively fixed on the two sides of the final position base frame; the flap A and the flap B are flush with or lower than the guide wheel group.

[0019] Furthermore, the template blanking assembly includes a dual-axis module consisting of a longitudinal linear module C and a vertical linear module C, and a mechanical gripper C arranged at the lower end of the vertical linear module C; one end of the longitudinal linear module C is mounted above the workstation frame, and a pillar C is provided below the other end; wherein the workstation frame is open at the direction of movement of the longitudinal linear module C.

[0020] Beneficial effects of the technical solution provided by this application:

[0021] 1. The prefabricated pipe seal preparation line abandons the traditional fixed L-shaped template and switches to a foldable template with the coordinated linkage of the down-pressing component and the up-turning component, realizing the precise synchronous folding and efficient shaping of the side panels of the pipe seal template. The right-angled edge of the down-pressing mold is precisely aligned with the folding line of the flap, and the vertical pressure of cylinder A and the lifting action of cylinder B are combined to keep the two side panels closely fitted with the mold during the folding process, eliminating the inter-layer misalignment or angle deviation caused by traditional manual folding. The lever structure design of the flap and the hinge seat, combined with the vertical limit of the guide rod, ensures smooth and synchronous folding action, avoiding template deformation or cracking of the dry powder layer due to uneven force.

[0022] 2. The prefabricated pipe seal preparation line realizes efficient and continuous production of composite pipe seal products through modular process integration and automated collaborative control. The chain conveyor belt and guide wheel group of the conveying mechanism cooperate to ensure that the pipe seal template steps to each station with precise beats. The loading and unloading components realize fully automatic template grabbing and stacking through a double-axis manipulator. The dry powder loading components A and B adopt a combination of vibration compaction and roller pressing shaping process, and cooperate with the vacuum adsorption and precise positioning of the sound insulation component loading component to form a "dry powder-spraying to form mortar-sound insulation layer-dry powder-spraying to form mortar" composite structure. The forming mechanism simultaneously completes the folding and pressure shaping of the side panels at the last station. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the tube sealing template of the present invention;

[0025] Figure 2 This is a schematic diagram of the folding and shaping mechanism of the present invention;

[0026] Figure 3 This is a schematic diagram of a production line for prefabricated tube seals of the present invention;

[0027] Figure 4 It is a schematic diagram of the conveying mechanism of the present invention;

[0028] Figure 5 This is a schematic diagram of the template feeding assembly of the present invention;

[0029] Figure 6 This is a schematic diagram of a dry powder feeding assembly A of the present invention;

[0030] Figure 7 This is a schematic diagram of a sound insulation material feeding assembly of the present invention;

[0031] Figure 8 This is a schematic diagram of the dry powder feeding component B of the present invention;

[0032] Fig. 9 It is a schematic diagram of the template blanking assembly of the present invention.

[0033] In the figure:

[0034] 10 pipe sealing template, 101 side plate A, 102 side plate B, 103 limit strip;

[0035] 20 folding and shaping mechanism, 210 pressing assembly, 211 oil cylinder A, 212 pressing die; 220 turning assembly, 221 oil cylinder B, 222 connecting frame, 223 guide rod, 224 lifting plate, 225 rod, 226 flap A, 227 flap B, 228 hinge seat, 229 supporting arm;

[0036] 30 conveying mechanism, 301 basic frame, 302 station frame, 303 guide wheel set, 304 chain conveyor belt, 305 paddle;

[0037] 40 template loading assembly, 401 horizontal linear module A, 402 vertical linear module A, 403 mechanical gripper A, 404 pillar A;

[0038] 50 dry powder feeding assembly A, 501 hopper A, 502 guide plate A, 503 vibration plate A, 504 vibration motor A;

[0039] 60 sound insulation feeding assembly, 601 horizontal linear module B, 602 vertical linear module B, 603 mechanical gripper B, 604 pillar B;

[0040] 70 dry powder feeding assembly B, 701 hopper B, 702 guide plate B, 703 vibration plate B, 704 vibration motor B;

[0041] 80 template blanking assembly, 801 longitudinal linear module C, 802 vertical linear module C, 803 mechanical gripper C, 804 pillar C;

[0042] 90 rolling structure, 901 pressing roller, 902 end plate, 903 adjusting plate, 904 gantry, 905 adjusting screw. DETAILED DESCRIPTION

[0043] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Reference Figure 1-9 This embodiment realizes the automated production of prefabricated pipe seals through a modular mechanical structure, especially for composite pipe seal products with sound insulation layers. In traditional processes, pipe seal molding relies on manual operation of template flipping, which has problems of low efficiency and poor angle accuracy. The innovation of the present invention lies in the design of a two-way folding and shaping mechanism with coordinated action, which cooperates with the fully automatic assembly line operation and significantly improves the degree of production standardization.

[0045] The prefabricated tube seal preparation line includes the prefabricated tube seal forming mechanism, which is composed of a folding tube seal template 10 and a folding shaping mechanism 20 for driving the tube seal template 10 to fold; the tube seal template 10 includes a side panel A101 and a side panel B102 that are hinged to each other; and a limit strip 103 is provided on the separated sides of the side panels A101 and B102. The folding tube seal template 10 realizes precise control and rapid forming of the template opening and closing action through the hinge structure design of the side panels A101 and B102. The side panels are connected by a long hinge or multiple hinges, and a high-precision needle bearing and a damping structure are arranged at the hinge axis to ensure that there is no jamming during the folding process and the angle can be locked; the inner surface of the side panel is sprayed with a Teflon anti-stick coating to avoid demolding damage caused by dry powder adhesion; The side panels have a groove structure (groove depth 100-300mm) formed when the retaining edge is unfolded, which is used to accommodate wet dry powder and sound insulation layer. Its 90-180° folding range is adapted to various pipe sealing forms such as right angles and flat angles, solving the problems of poor versatility and large folding resistance of traditional fixed templates. The forming angle error is ≤0.3°, and a single folding action takes ≤10 seconds. The limit strip 103 is L-shaped, which is convenient for grabbing and unloading after the side panels A101 and B102 are flipped.

[0046] It also includes a conveying mechanism 30 and a template loading assembly 40, a dry powder loading assembly A50, a sound insulation component loading assembly 60, a dry powder loading assembly B70, a molding mechanism and a template unloading assembly 80 which are sequentially mounted on the conveying mechanism 30; it also includes a water spraying assembly and a dust suction assembly which are respectively arranged behind the dry powder loading assembly A50 and the dry powder loading assembly B70. The conveying mechanism 30 connects the template loading, dry powder filling, sound insulation layer implantation, dry powder spraying, dust suction, folding molding and unloading processes in series, thereby realizing full process automation. The template loading component 40 is responsible for accurately positioning the empty pipe sealing template to the starting point of the conveying mechanism 30; the dry powder loading component A50 and the dry powder loading component B70 are filled with dry powder twice, and the sound insulation layer is laid through the sound insulation component loading component 60 in the middle, forming a composite structure of "dry powder-spraying to form mortar-sound insulation layer-dry powder-spraying to form mortar"; after the forming mechanism completes the folding and shaping of the side panels at the last station, the template unloading component 80 transfers the finished template to the storage position. Each component acts in sequence, solving the problems of low efficiency of multi-process connection and inter-layer misalignment caused by manual intervention in traditional processes, ensuring the center positioning accuracy of the sound insulation layer ≤1mm, and avoiding the initial setting defects of wet dry powder due to long process intervals.

[0047] In some embodiments, the conveying mechanism 30 is composed of a plurality of base frames 301 spliced ​​together, and a chain conveyor belt 304 and a plurality of guide wheel groups 303 arranged in parallel for guiding and conveying the pipe sealing template 10 are provided on the base frame 301, and a paddle 305 for paddle-driving the pipe sealing template 10 for continuous conveying is provided on the chain conveyor belt 304; a station frame 302 for loading the loading assembly is mounted above the base frame 301. The conveying mechanism 30 realizes flexible expansion of the length of the assembly line through the splicing design of the modular base frame 301 to meet different production capacity requirements. The guide wheel group 303 adopts a structure in which multiple groups of guide wheels are embedded in the grooved bar, and the grooved bar protrudes from the surface of the guide wheel to form a rolling contact surface, which slides with the bottom of the pipe sealing template 10. The paddle 305 of the chain conveyor belt 304 adopts a uniform distribution design with an interval of 500 mm, and the template is flexibly pushed by the polyurethane material, which not only avoids rigid impact but also ensures uniform pushing force. The upper and lower layered design of the workstation frame 302 and the basic frame 301 realizes functional zoning. The upper layer integrates various loading components, and the lower layer focuses on conveying guidance, which optimizes space utilization and reduces the risk of equipment interference.

[0048] When the conveying mechanism 30 is in operation, the base frame 301 is connected by flanges or welding to form a continuous conveying track. The guide wheels in the grooved bars of the guide wheel group 303 are arranged in a single or double row in an alternating manner. The guide wheels protrude 2-3 mm from the grooved bars to form a rolling support surface. The bottom of the tube sealing template 10 uses the rolling friction of the guide wheels instead of the sliding friction to reduce the conveying resistance. The paddle 305 of the chain conveyor 304 moves in a circular motion under the drive of the motor, and its front end bevel contacts the rear edge of the template, pushing the template to slide along the guide wheel group 303 with a constant thrust. When the template reaches the next station, the chain conveyor 304 stops so that the paddle 305 limits the tube sealing template 10 to stop precisely at the processing position, and the sensor on the station frame 302 detects the in-position signal and triggers the loading or forming action. The entire system achieves high-precision, low-loss continuous conveying of the tube sealing template through the coordinated action of modular mechanical structure and guide limit.

[0049] In some embodiments, the template loading assembly 40 includes a dual-axis module consisting of a horizontal linear module A401 and a vertical linear module A402, and a mechanical gripper A403 disposed at the lower end of the vertical linear module A402; one end of the horizontal linear module A401 is set above the workstation frame 302 at the first position, and a support A404 is disposed below the other end; wherein the workstation frame 302 at the first position is open in the direction of movement of the horizontal linear module A401. Corresponding to the lower side of the horizontal linear module A401 is the material cart area, where multiple material carts are placed, and the tube sealing template 10 is placed on the material cart. The coordinated design of the dual-axis linear modules 401, 402 and the mechanical gripper 403 realizes the efficient and accurate transfer of the tube sealing template 10 from the material cart to the conveyor line. Among them, the horizontal linear module A401 adopts two side-by-side high-precision linear slides (such as HIWIN ball screw slides), which are arranged between the first-position station frame 302 and the material cart area to form a horizontal conveying track; the vertical linear module A402 is a lifting platform mounted on the horizontal slide, and its vertical stroke covers the stacking height of the material cart (such as 0.5-1.5m). The two electric / pneumatic push rods of the mechanical gripper A403 are symmetrically arranged under the vertical lifting platform, and the flange structure on both sides of the pipe sealing template 10 is clamped by the grab hook, and the anti-slip rubber pad is pasted on the inside of the grab hook to increase friction. The material carts are arranged along the bottom of the horizontal module, and the sides of the open station frame 302 are set to avoid interference with the movement of the robot.

[0050] The horizontal linear module A401 drives the vertical lifting platform to move horizontally above the material cart, and the vertical linear module A402 descends to align the grab hook of the mechanical gripper 403 with the flanges on both sides of the template. After the electric / pneumatic push rod contracts and drives the grab hook to clamp the template, the vertical linear module A402 lifts the template to a safe height, and the horizontal linear module A401 then translates it to the guide wheel group 303 at the starting end of the conveying mechanism 30. The gripper resets after releasing the template, completing a feeding cycle. Among them, the horizontal / vertical module is driven by a servo motor, and the motion trajectory planning is realized through PLC control; a photoelectric sensor is set in the material cart area to detect the template inventory and trigger a material shortage alarm. This component combines modular mechanical structure with automatic control to achieve continuous, stable and high-precision feeding of pipe sealing templates.

[0051] In some embodiments, the dry powder feeding assembly A50 includes a hopper A501 disposed in the workstation frame 302, and a guide plate A502 fixed to the discharge port below the hopper A501; a vibration plate A503 located below the guide plate A502 is installed above the base frame 301, and a vibration motor A504 is provided on the top of the vibration plate A503, and the top of the vibration motor A504 is connected to the guide plate A502. The dry powder feeding assembly A achieves uniform filling and rapid compaction of wet dry powder through the combined design of the guide plate 502 and the vibration compaction structure. Specifically, the guide plate 502 is L-shaped, and the horizontal edge of the guide plate 502 is fixed to the vibration motor A504 by bolts, and the hypotenuse extends downward at an angle of 110-135° to the top of the molding cavity of the tube sealing template 10, forming a dry powder flow channel with a controllable inclination angle to prevent the dry powder from accumulating or splashing due to its own weight. The vibration plate A503 is installed below the guide plate 502, and its surface is flush with or slightly higher than the edge of the pipe sealing template 10 by 1-2mm. The 20-50Hz high-frequency micro-amplitude vibration generated by the vibration motor A504 promotes the even spreading of dry powder in the template molding cavity and removes bubbles. At the same time, the limiting effect of the template edge is used to prevent overflow. This design solves the problems of low efficiency and uneven density of traditional manual spreading. The filling thickness deviation is controlled within ±1mm, and the single loading time is shortened to less than 30 seconds.

[0052] The dry powder in the hopper A501 falls into the bevel channel of the L-shaped guide plate 502 through the bottom discharge port, and slides into the molding cavity of the tube sealing template 10 along the guide plate under the action of gravity and vibration. The vibration motor A504 drives the vibration plate A503 to generate high-frequency vibration in the vertical direction, which is transmitted to the flowing dry powder through the guide plate 502, destroying the cohesive force between the dry powder particles, so that it can flow evenly in the cavity surrounded by the template retaining edge. The inclination design of the guide plate 502 combined with the vibration frequency adjustment (controlled by a frequency converter) can adapt to the transportation requirements of dry powder with different fluidity. When the dry powder is filled to the preset height, the photoelectric sensor triggers the hopper A501 to close the gate, and the vibration lasts for 3-5 seconds to ensure a smooth surface, eventually forming a dense and gap-free dry powder base layer, providing a smooth foundation for the subsequent implantation of the sound insulation layer.

[0053] In some embodiments, the sound insulation loading assembly 60 includes a dual-axis module consisting of a horizontal linear module B601 and a vertical linear module B602, and a mechanical gripper B603 disposed at the lower end of the vertical linear module B602; one end of the horizontal linear module B601 is mounted above the workstation frame 302, and a support B604 is disposed below the other end; wherein the workstation frame 302 is open at the direction of movement of the horizontal linear module B601. The precise grasping and positioning of the sound insulation board is achieved through the coordinated design of the dual-axis linear modules 601, 602 and the vacuum adsorption mechanical gripper 603. Among them, below the horizontal linear module B601 is a material cart area, where multiple material carts are placed, and sound insulation boards are placed on the material carts. The horizontal linear module B601 uses two side-by-side linear slides such as THK guide slides, which span the workstation frame 302 and the material cart area to form a horizontal transport path; the vertical linear module B602 is a servo lift mounted on the horizontal slide, and the vertical stroke covers the material cart stacking height, such as 0.3-1.2m. The vacuum suction cup of the mechanical gripper B603 is made of porous silicone material. The vacuum pump generates negative pressure to adsorb the sound insulation board. Flexible retaining edges are set on the edges of the suction cup array to prevent the board from warping. The open side of the workstation frame 302 avoids interference with the movement of the robot, and the photoelectric sensors in the material cart area monitor the inventory of sound insulation parts in real time. This design solves the problem of easy misalignment of manually placed sound insulation parts and easy deformation of materials. The grasping positioning accuracy reaches ±0.3mm, and it is suitable for a variety of sound insulation materials such as rock wool and foam aluminum.

[0054] The horizontal linear module B601 drives the vertical lifting platform to move horizontally to the top of the material cart, and the vertical linear module B602 descends to make the vacuum suction cup fit the surface of the sound insulation board. The vacuum suction cup of the mechanical gripper B603 starts adsorption and lifts the board to a safe height, and then moves it horizontally to the top of the dry powder base of the conveyor line pipe sealing template 10 through the horizontal linear module B601. After the suction cup releases the sound insulation, the robot resets and waits for the next cycle. The PLC controls the motion trajectory of the dual-axis module through encoder feedback to ensure that the sound insulation falls accurately into the center area of ​​the template with a deviation of ≤1mm, and the suction force of the suction cup is dynamically adjusted according to the weight of the sound insulation to prevent material damage caused by over-absorption.

[0055] The mechanical gripper B 603 of the sound insulation part feeding assembly 60 is further optimized into a pneumatic plug-in structure: a rectangular frame is fixed below the vertical linear module B 602, and a micro cylinder is installed at each corner of the frame. The output end of the cylinder is connected to a 2mm diameter pin (made of hard alloy, chrome-plated surface). The pin is initially retracted into the frame, and the cylinder drives the pin to penetrate the edge of the sound insulation part (insertion depth 3-5mm). The pin remains inserted to keep the sound insulation part suspended and positioned. After the Y-axis module B 602 is slightly lowered by 2-3mm, the cylinder retracts the pin, and the sound insulation part falls accurately into the template cavity. The puncture hole of the pin can be filled with dry powder later, which does not affect the performance of the finished product.

[0056] In some embodiments, the dry powder feeding assembly B70 includes a hopper B701 disposed in the station frame 302, and a guide plate B702 fixed to the discharge port below the hopper B701; a vibration plate B703 located below the guide plate B702 is installed above the base frame 301, and a vibration motor B704 is provided on the top of the vibration plate B703. A roller pressing structure 90 is provided on the base bracket 301 behind the vibration plate B703, and the roller pressing structure 90 includes at least two pressure rollers 901 arranged side by side in front and back, and the two ends of the pressure rollers 901 are rotatably connected to the end plates 902 through bearings, and an adjustment plate 903 is fixed above the end plate 902, and the two ends of the adjustment plate 903 extend to the gantry 904 disposed on both sides of the base bracket 301, and the gantry 904 has an adjustment screw 905 that is linked to the adjustment plate 903.

[0057] The horizontal edge of the L-shaped structure of the guide plate B702 is fixed to the vibration motor B704, and the beveled edge extends to the top of the sound insulation layer of the tube sealing template 10 at an inclination of 110-135°, forming a directional dry powder flow channel to ensure that the dry powder evenly covers the edge of the sound insulation. The vibration plate B703 is flush with the template retaining edge or slightly higher by 1-2mm, and eliminates interlayer bubbles and preliminarily densifies the dry powder through high-frequency vibration (20-50Hz). The newly added roller pressing structure 90 is located behind the vibration plate B 703. Its double pressure rollers 901 are made of steel rollers coated with silicone. The height of the pressure roller 901 is changed by adjusting the screw 905 (adjustment range ±5mm), and 5-15N / cm is applied to the vibrated dry powder layer. 2 Linear pressure is applied to further compact the dry powder and level the surface. This design solves the problem of interlayer peeling and uneven surface in the secondary dry powder layer. After compaction, the dry powder density is ≥98%, and the surface flatness error is ≤0.5mm / m. After the dry powder slides from the hopper B701 into the template cavity through the bevel of the guide plate B702 and covers the sound insulation layer, the vibration motor B704 drives the vibration plate B703 to vibrate at high frequency for 30-60 seconds, so that the dry powder penetrates, fills the pores of the sound insulation and is initially compacted. Subsequently, the tube sealing template 10 moves with the conveyor belt to the roller pressing station, and the two side-by-side pressing rollers 901 rotate synchronously at a preset height controlled by the adjusting screw 905 (usually 0.5-1mm lower than the template retaining edge). The front roller pre-presses the dry powder at a speed of 10-20rpm, and the rear roller performs secondary fine pressing at the same speed, while scraping off excess dry powder. Both ends of the pressure roller 901 are connected to the end plate 902 through bearings, and the adjustment plate 903 extends into the gantry 904. By rotating the adjustment screw 905, the overall parallelism of the pressure roller 901 can be adjusted in linkage to ensure that the roller pressure is evenly distributed.

[0058] The folding and shaping mechanism 20 of the prefabricated tube seal forming mechanism includes a pressing component 210 and an upward turning component 220 located below the pressing component 210; the pressing component 210 is composed of a cylinder A211 and a pressing die 212, the lower part of the pressing die 212 is at a right angle, and the upper part is fixed to the output end of the cylinder A211; the upward turning component 220 includes a cylinder B221 and a connecting frame 222 arranged on the periphery of the cylinder B221, and guide rods 223 located on both sides of the cylinder B221 are fixed on the connecting frame 222, and the two guide rods A lifting plate 224 is slidingly provided on the outside of 223 and is fixed to the output end of the cylinder B221 at the bottom. At least one connecting rod 225 is hinged on each side of the lifting plate 224. A flap A226 and a flap B227 are hinged on the top of the connecting rods 225 on both sides respectively. The flap A226 and the flap B227 are hinged by multiple hinge seats 228. An L-shaped support arm 229 is fixed at the bottom of the hinge seat 228 and has one end fixed to the side of the connecting frame 222. The right angle line of the pressing mold 212 is aligned with the folding line between the flap A226 and the flap B227.

[0059] The folding and shaping mechanism realizes the synchronous and precise folding and forming pressure application of the two side plates of the pipe sealing template 10 through the linkage design of the lower pressing component 210 and the upper flip component 220. The right-angled edge of the lower pressing mold 212 is treated with hard alloy plating, and its right-angle line is aligned with the folding line of the flap A226 and the flap B227 through laser calibration (error ≤ 0.1mm) to ensure that the side plates 101 and 102 form a gapless fit with the mold when folding. In the upper flip component, the sliding fit of the guide rod 223 and the lifting plate 224 (fit tolerance H7 / g6) ensures the verticality of the lifting action, the L-shaped support arm 229 and the connecting frame 222 form a triangular stable support, and the hinge seat 228 uses a self-lubricating copper sleeve bearing to reduce friction loss. The coordinated action of the double cylinders 211 and 221 makes the folding angle error of the side plate ≤ 0.5°, and at the same time, the mold pressure (0.5-1.5MPa) eliminates the gap in the dry powder layer and improves the structural strength of the finished pipe sealing product. During the folding process, the oil cylinder B221 pushes the lifting plate 224 to move vertically upward along the guide rod 223, driving the connecting rods 225 on both sides to synchronously lift the flaps A226 and B227 with the hinge seat 228 as the fulcrum, forcing the side panels 101 and 102 placed thereon to fold upward around the template hinge axis. At the same time, the oil cylinder A211 drives the pressing mold 212 to press down to the joints of the two side panels, and its right-angled edges are in close contact with the inner walls of the folded side panels to form a rigid support surface. The folding angles of the flaps A and B are controlled by the length of the connecting rod 225 and the position of the hinge point. When the side panels are folded to 90°, the continuous pressure of the pressing mold 212 keeps the dry powder layer under pressure during the shaping stage (pressure holding time 5-10 seconds). The entire action is synchronously controlled by PLC, and the folding speed is regulated in two stages: initial rapid folding (50mm / s) to 80% of the target angle, then switching to slow precision positioning (5mm / s), ultimately achieving high-precision molding and a tube sealing structure with no surface defects.

[0060] In some embodiments, the forming mechanism is arranged at the final position of the conveying mechanism 30, wherein the top of the cylinder A211 is fixed on the final position workstation frame 302, and the two sides of the connecting frame 222 are respectively fixed on the two sides of the final position base frame 301; the flap A226 and the flap B227 are flush with or lower than the guide wheel group 303.

[0061] In some embodiments, the template blanking assembly 80 includes a dual-axis module consisting of a longitudinal linear module C801 and a vertical linear module C802, and a mechanical gripper C803 arranged at the lower end of the vertical linear module C802; one end of the longitudinal linear module C801 is set above the station frame 302, and a support C804 is arranged below the other end; wherein the station frame 302 is open at the direction of movement of the longitudinal linear module C801. The corresponding lower part of the longitudinal linear module C801 is the material cart area, where multiple material carts are placed, and the upper part of the material cart is L-shaped, which is used to stack the formed pipe sealing template 10. The longitudinal linear module C801 adopts two parallel linear slides (such as SBR guide slides), extending from the end of the conveying mechanism 30 to the material cart area, forming a horizontal transportation path in line with the production line; the vertical linear module C802 is a servo lift mounted on the transverse slide, and the vertical stroke covers the template thickness range (such as 50-200mm). The mechanical gripper C803 consists of two inverted U-shaped frames fixed under the vertical module. The two ends of the same side of the two U-shaped frames are fixed with plug shafts. The plug shafts are made of quenched 45# steel and have a 5° chamfer at the end. The 3-5mm gap is reserved at the L-shaped angle with the L-shaped limit strip 103 on the outside of the side panels 101 and 102 of the pipe sealing template to accurately match. The open side of the workstation frame 302 avoids interference with the movement of the robot, and a photoelectric sensor is set in the material cart area to detect empty spaces. This design solves the problem of traditional lifting and unloading that easily damages the template and positions the material offset. The insertion accuracy of the plug shaft reaches ±0.2mm, the single unloading cycle time is ≤20 seconds, and it is adapted to the rapid changeover requirements of templates of different sizes.

[0062] When the tube sealing template 10 of the unloading station reaches the positioning point, the longitudinal linear module C801 drives the vertical linear module C802 to move horizontally to the rear of the template, and the vertical linear module C802 descends to align the insertion shaft with the vertical edge gap of the L-shaped limit strip of the side panel. After continuing to descend 2-3mm, the insertion shaft cooperates with the linear movement of the longitudinal linear module C801 to insert into the right-angle groove of the L-shaped limit strip. Then the vertical linear module C802 lifts the template to disengage from the guide wheel group 303, and the longitudinal linear module C801 translates it to the top of the material cart. After the insertion shaft is released, the template falls into the stacking position of the material cart. The Hall sensor set at the end of the insertion shaft detects the insertion depth, and triggers an alarm if it does not reach the preset value. The guiding matching structure of the L-shaped limit strip and the insertion shaft can automatically correct the horizontal deviation of ±1.5mm, and cooperate with the closed-loop motion of the servo motor controlled by the PLC to achieve zero-damage unloading and high-density stacking.

[0063] In addition, it should be noted that a water spray component can be added to the station frame 302 between the dry powder loading component A 50 and the dry powder loading component B 70 to optimize the interlayer bonding performance of the dry powder. The water spray component can be a spray pipe parallel or perpendicular to the station frame (302), and atomizing nozzles are installed at intervals on the pipe body. The nozzle is made of 304 stainless steel, the diameter of the spray hole is 0.5-1mm, and the water spray volume is controlled by a solenoid valve (5-10mL / s). The spray pipe 901 is fixed to the top crossbeam of the station frame 302 through a bracket. The spray range covers the full width of the pipe sealing template 10, and the water spray height is 100-150mm from the template surface. The PLC triggers the spray action according to the template arrival signal. The water spray time is 3-5 seconds, so that the lower layer of dry powder reaches the required wetness (humidity sensor feedback control), enhances the molecular diffusion bonding force during the secondary dry powder coverage, and improves the interlayer peeling strength by more than 25%. The whole set of slurry is to evenly distribute the dry powder raw materials into the mold. While the dry powder is distributed, water is sprayed accurately through the water spray component. It is not a traditional transmission. In addition, the vibration compaction technology is a key link in conjunction with the vibration motor. This technology solves the defect that wet material transmission of concrete equipment is easily contaminated.

[0064] A dust collection component can be added to the workstation frame 302 between the mortar feeding component A50 and the mortar feeding component B70 to optimize the production environment. The dust collection component can be a dust collection pipe parallel to the conveying direction, with a flat suction nozzle set every 300-500mm on the pipe body, and the nozzle opening width is 20-30mm, and a negative pressure fan generates 15-20m 3 The suction pipe is made of antistatic PVC material, and the suction nozzle height is adjustable (50-100mm from the template surface). The photoelectric sensor detects the template in place signal and starts the suction. The duration covers the entire process of mortar filling and vibration compaction (about 30-60 seconds), and can capture more than 90% of dust particles (particle size ≥ 5μm). The PM2.5 concentration in the working area is from 150μg / m3 Reduced to 30 μg / m 3 The following meet occupational health standards.

[0065] A modular dust cover is installed on the entire periphery of the conveying mechanism 30. Its frame is made of aluminum alloy profiles, the side walls are made of 5mm thick transparent polycarbonate plates (light transmittance ≥ 92%), and the top is equipped with an LED lighting strip (illuminance 500-800lux). The front and rear sides of the dust cover (906) are designed as hinged movable doors. The door body can be opened and closed with one hand through a slide rail and a pneumatic strut (opening and closing angle 0-120°), which is convenient for equipment maintenance and abnormal handling. The dust cover is integrated with an air curtain system to form a vertical airflow barrier of 0.5-1m / s at the opening to prevent external dust from invading, while guiding the internal dust-containing air to the dust collection component for centralized treatment, with a comprehensive dust suppression efficiency of ≥95%. The linkage design of the dust collection component and the dust cover builds a fully enclosed clean production environment. The dust suction pipe absorbs the scattered cement dust in real time at the mortar filling station, preventing dust from contaminating the sound insulation implantation station and avoiding the performance degradation caused by the clogging of the pores of the sound insulation material; the transparent side wall and lighting system of the dust cover facilitate visual inspection of the operating status of each station and reduce the frequency of manual inspections. In addition, the combined design of the movable door and the air curtain improves operability while ensuring sealing, and the mean repair time (MTTR) of equipment failure is shortened from 25 minutes to 8 minutes. Actual measurements show that this design improves the overall cleanliness of the workshop to ISO Class 8 standards, reduces the equipment failure rate by 40%, and avoids excessive surface roughness of the pipe seal due to dust adhesion (Ra≤6.3μm).

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A prefabricated tube seal forming mechanism, characterized in that: It comprises a folding tube sealing template (10) and a folding and shaping mechanism (20) for driving the tube sealing template (10) to fold; The pipe sealing template (10) comprises a side plate A (101) and a side plate B (102) which are hinged to each other; The folding and shaping mechanism (20) comprises a downward pressing component (210) and an upward turning component (220) located below the downward pressing component (210); the downward pressing component (210) is composed of an oil cylinder A (211) and a downward pressing mold (212); the downward pressing mold (212) is at a right angle at the bottom and is fixed at the top to the output end of the oil cylinder A (211); The flip-up assembly (220) comprises an oil cylinder B (221) and a connecting frame (222) arranged on the periphery of the oil cylinder B (221); guide rods (223) located on both sides of the oil cylinder B (221) are fixed on the connecting frame (222); a lifting plate (224) fixed to the output end of the oil cylinder B (221) is slidably arranged on the outside of the two guide rods (223); at least one connecting rod (225) is hinged on each side of the lifting plate (224). , a flap A (226) and a flap B (227) are hingedly connected above the connecting rods (225) on both sides, and the flap A (226) and the flap B (227) are hingedly connected via a plurality of hinge seats (228), and an L-shaped arm (229) having one end fixed to the side of the connecting frame (222) is fixed below the hinge seat (228); wherein the right angle line of the pressing mold (212) is aligned with the folding line between the flap A (226) and the flap B (227); The side plate A (101) and the side plate B (102) of the pipe sealing template (10) are respectively placed on the flap A (226) and the flap B (227), and the cylinder A (211) is driven downward to push the pressing mold (212) between the corresponding side plates A (101) and B (102); the cylinder B (221) rises to push the lifting plate (224) to act on the connecting rod (225), and the connecting rod (225) pushes the flap A (226) and the flap B (227) upward to flip along the hinge seat (228), so that the side plate A (101) and the side plate B (102) are flipped at the same time and are tightly attached to the right angles of the pressing mold (212).

2. The prefabricated tube seal forming mechanism according to claim 1, characterized in that: The relative rotation angle of the side panel A (101) and the side panel B (102) is 90-180 degrees; the separated sides of the side panel A (101) and the side panel B (102) are each provided with a limiting strip (103).

3. Tube seal preparation line, characterized in that: The molding mechanism comprises the molding mechanism described in any one of claims 1 to 2, and further comprises a conveying mechanism (30) and a template loading assembly (40), a dry powder loading assembly A (50), a sound insulation component loading assembly (60), a dry powder loading assembly B (70), a molding mechanism and a template unloading assembly (80) which are sequentially mounted on the conveying mechanism (30); and further comprises a water spraying assembly and a dust collecting assembly which are respectively arranged behind the dry powder loading assembly A (50) and the dry powder loading assembly B (70); The pipe sealing template (10) is grabbed by the template loading component (40) to the conveying mechanism (30), and the dry powder loading component A (50), the sound insulation component loading component (60), and the dry powder loading component B (70) respectively load the dry powder and the sound insulation component into the pipe sealing template (10) on the conveying mechanism (30), and the water spray component sprays the dry powder, and the dust suction component sucks the dust, and the molding mechanism flips the molding to cooperate with the template unloading component (80) to unload the pipe sealing template (10).

4. The tube seal preparation line according to claim 3, characterized in that: The conveying mechanism (30) is composed of a plurality of base frames (301) connected to each other. The base frame (301) is provided with a chain conveyor belt (304) and a plurality of guide wheel groups (303) arranged in parallel for guiding and conveying the pipe sealing template (10). The chain conveyor belt (304) is provided with a paddle (305) for moving the pipe sealing template (10) for continuous conveyance. A workstation frame (302) for loading a loading assembly is mounted above the base frame (301).

5. The tube seal preparation line according to claim 4, characterized in that: The template loading assembly (40) comprises a dual-axis module consisting of a horizontal linear module A (401) and a vertical linear module A (402), and a mechanical gripper A (403) arranged at the lower end of the vertical linear module A (402); one end of the horizontal linear module A (401) is mounted above the first-position workstation frame (302), and a support A (404) is arranged below the other end; wherein the first-position workstation frame (302) is open at the direction of movement of the horizontal linear module A (401).

6. The tube seal preparation line according to claim 4, characterized in that: The dry powder loading assembly A (50) includes a hopper A (501) arranged in a workstation frame (302), and a guide plate A (502) fixed to a discharge port below the hopper A (501); a vibration plate A (503) located below the guide plate A (502) is installed above the base frame (301), and a vibration motor A (504) is provided on the top of the vibration plate A (503).

7. The tube seal preparation line according to claim 4, characterized in that: The sound insulation loading assembly (60) comprises a double-axis module consisting of a horizontal linear module B (601) and a vertical linear module B (602), and a mechanical gripper B (603) arranged at the lower end of the vertical linear module B (602); one end of the horizontal linear module B (601) is mounted above the workstation frame (302), and a support B (604) is arranged below the other end; wherein the workstation frame (302) is open at the position corresponding to the movement direction of the horizontal linear module B (601).

8. The tube seal preparation line according to claim 4, characterized in that: The dry powder loading assembly B (70) includes a hopper B (701) arranged in a workstation frame (302), and a guide plate B (702) fixed to a discharge port below the hopper B (701); a vibration plate B (703) located below the guide plate B (702) is installed above the base frame (301), and a vibration motor B (704) is provided on the top of the vibration plate B (703).

9. The tube seal preparation line according to claim 4, characterized in that: The forming mechanism is arranged at the final position of the conveying mechanism (30), wherein the top of the oil cylinder A (211) is fixed on the final position workstation frame (302), and the two sides of the connecting frame (222) are respectively fixed on the two sides of the final position base frame (301); the flap A (226) and the flap B (227) are flush with or lower than the guide wheel group (303).

10. The tube seal preparation line according to claim 4, characterized in that: The template blanking assembly (80) includes a dual-axis module consisting of a longitudinal linear module C (801) and a vertical linear module C (802), and a mechanical gripper C (803) arranged at the lower end of the vertical linear module C (802); one end of the longitudinal linear module C (801) is mounted above the workstation frame (302), and a support C (804) is arranged below the other end; wherein the workstation frame (302) is open at the direction of movement of the longitudinal linear module C (801).

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