PVC pipe hot melting connecting device

Abstract

The utility model discloses a PVC pipe hot melting connecting device which comprises a machining bottom plate and a hot melting machine, mounting plates are arranged on the upper surface of the machining bottom plate in a bilateral symmetry mode, a two-way screw rod and a guide rod are arranged between the mounting plates, movable frames are symmetrically arranged on the two-way screw rod and the guide rod, and fixed clamping plates are arranged on the front sides of the upper surfaces of the movable frames. A sliding groove is formed in the upper surface of the movable frame, a movable clamping plate is clamped to the rear portion of the interior of the sliding groove, the front side wall of the movable frame extends forwards to be provided with an L-shaped connecting plate, an electric push rod is fixedly arranged on the rear side face of the connecting plate, and the end of the electric push rod extends backwards into the sliding groove and is connected with the front side face of the movable clamping plate. The movable clamping plate capable of sliding in the sliding groove is designed, the movable clamping plate is pulled to be close to the fixed clamping plate through the electric push rod, the fixed clamping plate and the movable clamping plate are matched to clamp the PVC pipe, operation is easy, disassembly and assembly are convenient, operation time before and after welding is saved, and manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe connection devices, in particular to a PVC pipe hot-melt connection device. Background Art

[0002] PVC pipe, rigid polyvinyl chloride pipe, is made of polyvinyl chloride resin, stabilizer, lubricant, etc., and is extruded by hot pressing. It is the earliest plastic pipe developed and applied. It has strong corrosion resistance, easy bonding, low price, hard texture, and has the advantages of high strength, high toughness, high impact resistance, and fatigue resistance. It is mainly used for drainage, wastewater, chemicals, heating liquid and cooling liquid, food, ultra-pure liquid, mud, gas, compressed air and vacuum system applications, involving construction, agriculture, industry, transportation, environmental protection and other fields, and has a wide range of application markets. When using PVC pipes, it is usually necessary to use a hot melt connection device to connect the PVC pipes;

[0003] For example, a PVC pipe hot-melt connection device disclosed in the utility model with authorization announcement number CN219214127U belongs to the field of PVC pipe hot-melt technology, and solves the technical problems that two pipes cannot move synchronously during the existing PVC pipe welding. It includes a workbench, the top outer wall of the workbench is provided with two rectangular openings, and the inner walls of the two rectangular openings are both slidably connected with a clamp mechanism, the inner walls of the two rectangular openings are both slidably connected with a sliding seat of a T-shaped structure, the outer wall of the bottom of the workbench is rotatably connected with two bidirectional screws, the two sliding seats are respectively screwed on the outer walls of the two bidirectional screws, and one end of the two bidirectional screws is fixedly connected with a pulley. The utility model arranges two bidirectional screws at the bottom of the workbench, and the cooperation between the bidirectional screws and the reduction motor facilitates and directly drives the two bidirectional screws to rotate, thereby facilitating and directly driving the clamp mechanism to move synchronously. The synchronous movement of the clamp mechanism facilitates and directly drives the PVC pipe and the heating head to contact at the same time. When the device fixes the PVC pipe, the two clamps need to be locked by a locking bolt. After the PVC pipe is welded, the locking bolt needs to be rotated in the opposite direction to remove the PVC pipe. The disassembly and assembly process requires rotating the locking bolt multiple times, which is troublesome and laborious. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a PVC pipe hot-melt connecting device, in which a movable clamping plate that can slide in a slide groove is designed. The movable clamping plate is pulled close to the fixed clamping plate by an electric push rod, and the fixed clamping plate cooperates with the movable clamping plate to clamp the PVC pipe. The operation is simple and the disassembly and assembly are convenient, which saves the operation time before and after the welding and saves manpower.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a PVC pipe hot-melt connection device, comprising a processing base plate and a hot-melt machine, the upper surface of the processing base plate is symmetrically provided with mounting plates, bidirectional screws and guide rods are provided between the mounting plates, a movable frame is symmetrically provided on the bidirectional screws and guide rods, a fixed splint is provided on the front side of the upper surface of the movable frame, a slide groove is provided on the upper surface of the movable frame, a movable splint is clamped at the rear of the slide groove, an L-shaped connecting plate is extended forward from the front side wall of the movable frame, an electric push rod is fixedly provided on the rear side of the connecting plate, and the end of the electric push rod extends backward into the interior of the slide groove and is connected to the front side of the movable splint.

[0006] As a preferred technical solution of the utility model, a passing groove is provided inside the fixed splint, and the movable splint can pass through the passing groove. Arc-shaped clamping grooves are provided on the plate bodies of the movable splint and the fixed splint, and anti-slip pads are laid on the inner walls of the clamping grooves.

[0007] As a preferred technical solution of the utility model, symmetrical fixing frames are arranged on the upper surface of the processing bottom plate near the left and right sides, and the fixing frames are provided with placement grooves.

[0008] As a preferred technical solution of the utility model, a bidirectional screw is horizontally penetrated through the middle of the mounting plate, guide rods are arranged on the front and rear sides of the bidirectional screw, both end surfaces of the guide rods are respectively abutted against the inner sides of the two mounting plates, the right end of the bidirectional screw extends to the right side and penetrates the mounting plate on the right side, the right end portion of the bidirectional screw is fixedly connected to a forward and reverse motor, and the forward and reverse motor is fixed to the right side surface of the mounting plate on the right side.

[0009] As a preferred technical solution of the utility model, a rear side plate is formed on the upper surface of the processing base plate near the rear side edge, an extension plate extending forward is formed on the upper end of the front side of the rear side plate, a hydraulic cylinder is embedded in the middle of the extension plate body, the head of the hydraulic cylinder is downward, and a hot melt machine is installed on the head of the hydraulic cylinder.

[0010] As a preferred technical solution of the utility model, support legs are symmetrically arranged on the lower surface of the processing base plate.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] A movable clamping plate that can slide in the slide groove is designed. The movable clamping plate is pulled close to the fixed clamping plate by an electric push rod. The fixed clamping plate and the movable clamping plate cooperate to clamp the PVC pipe. The operation is simple and easy to disassemble and assemble, which saves operation time before and after welding and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main view structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the side view structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the utility model in a top view;

[0017] Figure 5 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0018] Among them: 1. Processing base plate; 2. Fixed frame; 3. Placement slot; 4. Mounting plate; 5. Guide rod; 6. Bidirectional screw; 7. Moving frame; 8. Slide slot; 9. Connecting plate; 10. Electric push rod; 11. Moving splint; 12. Fixed splint; 13. Forward and reverse motor; 14. Clamping slot; 15. Anti-slip pad; 16. Rear side plate; 17. Extension plate; 18. Hydraulic cylinder; 19. Hot melt machine; 20. Support leg. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 - Figure 4As shown, the utility model provides a PVC pipe hot-melt connection device, including a processing base plate 1 and a hot-melt machine 19. Support legs 20 are symmetrically arranged on the lower surface of the processing base plate 1. Symmetrical fixing frames 2 are arranged near the left and right sides of the upper surface of the processing base plate 1. A placement groove 3 is opened on the fixing frame 2 for placing the PVC pipe to support the PVC pipe, enhance the stability and prevent the PVC pipe from being damaged. A bidirectional screw rod 6 is horizontally penetrated in the middle of the mounting plate 4. A bearing is installed at the left end of the bidirectional screw rod 6. The bearing is fixed to the right side of the mounting plate 4 on the left. Guide rods 5 are arranged on the front and rear sides of the bidirectional screw rod 6. Both ends of the guide rod 5 The surfaces are respectively in contact with the inner surfaces of the two mounting plates 4, the right end of the bidirectional screw 6 extends to the right side and penetrates the mounting plate 4 on the right side, a bearing is embedded inside the mounting plate 4 on the right side, the bearing sleeve is arranged on the bidirectional screw 6, the right end of the bidirectional screw 6 is fixedly connected with a forward and reverse motor 13, the forward and reverse motor 13 is fixed to the right side of the mounting plate 4 on the right side, a rear side plate 16 is formed on the upper surface of the processing base plate 1 near the rear side edge, an extension plate 17 extending forward is formed on the upper end of the front side of the rear side plate 16, a hydraulic cylinder 18 is embedded in the middle of the extension plate 17, the head of the hydraulic cylinder 18 is downward, and a hot melt machine 19 is installed on the head of the hydraulic cylinder 18;

[0022] When welding PVC pipes, firstly, two PVC pipes to be welded are inserted and fixed through the placement slots 3 on the fixed frame 2, and then the hydraulic cylinder 18 is controlled to extend, and the extension of the hydraulic cylinder 18 drives the hot melt machine 19 to move downward, and then the forward and reverse motor 13 is controlled to rotate, and the rotation of the forward and reverse motor 13 drives the bidirectional screw 6 to rotate, and the bidirectional screw 6 rotates and engages with the moving frame 7, so that the two moving frames 7 are close to each other, and the ends of the two PVC pipes close to the hot melt machine 19 are close to each other, until the end surface of the PVC pipe contacts the hot melt machine 19, and the PVC pipe is welded. The end of the C tube in contact with the hot melt machine 19 is melted, and at this time, the forward and reverse motor 13 is controlled to rotate in the reverse direction, and the forward and reverse motor 13 rotates in the reverse direction to drive the bidirectional screw 6 to rotate and screw with the moving frame 7, so that the two moving frames 7 move away from each other, and the melted ends of the two PVC tubes move away from each other accordingly, and then the hydraulic cylinder 18 is controlled to contract, and the contraction of the hydraulic cylinder 18 drives the hot melt machine 19 to move upward, and then the forward and reverse motor 13 is controlled to rotate, and the rotation of the forward and reverse motor 13 drives the bidirectional screw 6 to rotate and screw with the moving frame 7, so that the PVC tubes on the moving frame 7 are close to each other and welded;

[0023] like Figure 1 - Figure 5As shown, the upper surface of the processing bottom plate 1 is symmetrically provided with mounting plates 4, bidirectional screws 6 and guide rods 5 are provided between the mounting plates 4, and a moving frame 7 is symmetrically provided on the bidirectional screws 6 and the guide rods 5, and threaded holes are provided in the livestock parts of the moving frame 7 and the bidirectional screws 6, and the moving frame 7 is screwed with the bidirectional screws 6, and a fixed clamping plate 12 is provided on the front side of the upper surface of the moving frame 7, and a slide groove 8 is provided on the upper surface of the moving frame 7, and a moving clamping plate 11 is clamped at the rear of the slide groove 8, and an L is provided on the front side wall of the moving frame 7 extending forward A shaped connecting plate 9 is provided, and an electric push rod 10 is fixedly arranged on the rear side of the connecting plate 9. The end of the electric push rod 10 extends backward into the interior of the slide groove 8 and is connected to the front side of the movable clamping plate 11. A through groove is provided inside the fixed clamping plate 12, and the movable clamping plate 11 can pass through the through groove. The movable clamping plate 11 and the fixed clamping plate 12 are both provided with an arc-shaped clamping groove 14. The inner wall of the clamping groove 14 is paved with an anti-skid pad 15. The anti-skid pad 15 is used to protect the PVC pipe and prevent the PVC pipe from moving in the clamping groove 14;

[0024] When fixing the PVC pipe, first extend the head of the PVC pipe into the clamping groove 14 on the fixed clamping plate 12, so that the outer side of the PVC pipe contacts the inner wall of the anti-skid pad 15, adjust the distance that the PVC pipe extends to the middle of the device through the clamping groove 14, and then control the corresponding electric push rod 10 to retract, pull the moving clamping plate 11 closer to the fixed clamping plate 12, until the anti-skid pad 15 on the moving clamping plate 11 contacts the outer side of the PVC pipe and the PVC pipe does not shake, and then install the PVC pipe on the other side, during which time, pay attention to make the distances that the two PVC pipes extend to the middle of the device through the clamping groove 14 be roughly equal;

[0025] Specific working principle:

[0026] When using the device, first extend the head of the PVC pipe into the clamping groove 14 on the fixed clamping plate 12, so that the outer side of the PVC pipe contacts the inner wall of the anti-skid pad 15, adjust the distance that the PVC pipe extends to the middle of the device through the clamping groove 14, and then control the corresponding electric push rod 10 to contract, pull the movable clamping plate 11 closer to the fixed clamping plate 12, until the anti-skid pad 15 on the movable clamping plate 11 contacts the outer side of the PVC pipe and the PVC pipe does not shake, then install the PVC pipe on the other side, turn on the hot melt machine 19 for preheating, and then control the hydraulic cylinder 18 to extend, the extension of the hydraulic cylinder 18 drives the hot melt machine 19 to move downward, and then control the forward and reverse motor 13 to rotate, the rotation of the forward and reverse motor 13 drives the bidirectional screw 6 to rotate, and the bidirectional screw 6 rotates and engages with the movable frame 7, so that the two movable frames 7 are close to each other, and the two PV The end of the C tube close to the hot melt machine 19 approaches each other until the end face of the PVC tube contacts the hot melt machine 19, and the end of the PVC tube contacting the hot melt machine 19 melts. At this time, the forward and reverse motor 13 is controlled to rotate in the opposite direction, and the forward and reverse motor 13 rotates in the opposite direction to drive the bidirectional screw 6 to rotate and screw with the moving frame 7, so that the two moving frames 7 move away from each other, and the melted ends of the two PVC tubes move away from each other. Then the hydraulic cylinder 18 is controlled to contract, and the contraction of the hydraulic cylinder 18 drives the hot melt machine 19 to move upward, and then the forward and reverse motor 13 is controlled to rotate, and the forward and reverse motor 13 rotates to drive the bidirectional screw 6 to rotate and screw with the moving frame 7, so that the PVC tubes on the moving frame 7 are close to each other and welded. When removing the PVC tube, the electric push rod 10 is controlled to extend, and the moving clamp 11 is pushed to slide backward in the slide groove 8 to release the clamping of the PVC tube.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A PVC pipe hot-melt connection device, comprising a processing base plate (1) and a hot-melt machine (19), characterized in that: The upper surface of the processing base plate (1) is symmetrically provided with mounting plates (4), bidirectional screws (6) and guide rods (5) are provided between the mounting plates (4), a movable frame (7) is symmetrically provided on the bidirectional screws (6) and the guide rods (5), a fixed clamping plate (12) is provided on the front side of the upper surface of the movable frame (7), a slide groove (8) is provided on the upper surface of the movable frame (7), a movable clamping plate (11) is clamped at the rear of the inner part of the slide groove (8), an L-shaped connecting plate (9) is extended forwardly on the front side wall of the movable frame (7), an electric push rod (10) is fixedly provided on the rear side of the connecting plate (9), and the end of the electric push rod (10) extends backward into the inner part of the slide groove (8) and is connected to the front side of the movable clamping plate (11).

2. A PVC pipe hot melt connection device according to claim 1, characterized in that: The fixed clamping plate (12) is provided with a passing groove inside, and the movable clamping plate (11) can pass through the passing groove. The movable clamping plate (11) and the fixed clamping plate (12) are both provided with an arc-shaped clamping groove (14), and the inner wall of the clamping groove (14) is paved with an anti-slip pad (15).

3. A PVC pipe hot-melt connection device according to claim 1, characterized in that: Symmetrical fixing frames (2) are arranged on the upper surface of the processing base plate (1) near the left and right sides, and a placement groove (3) is provided on the fixing frame (2).

4. A PVC pipe hot-melt connection device according to claim 1, characterized in that: A bidirectional screw rod (6) is transversely passed through the middle of the mounting plate (4), and guide rods (5) are arranged on the front and rear sides of the bidirectional screw rod (6). The two end surfaces of the guide rod (5) are respectively in contact with the inner side surfaces of the two mounting plates (4). The right end of the bidirectional screw rod (6) extends to the right side and passes through the mounting plate (4) on the right side. The right end of the bidirectional screw rod (6) is fixedly connected to a forward and reverse motor (13), and the forward and reverse motor (13) is fixed to the right side surface of the mounting plate (4) on the right side.

5. A PVC pipe hot-melt connection device according to claim 1, characterized in that: A rear side plate (16) is formed on the upper surface of the processing base plate (1) near the rear side edge, and an extension plate (17) extending forward is formed on the upper end of the front side of the rear side plate (16). A hydraulic cylinder (18) is embedded in the middle of the extension plate (17), and the head of the hydraulic cylinder (18) is downward, and a hot melt machine (19) is installed on the head of the hydraulic cylinder (18).

6. A PVC pipe hot-melt connection device according to claim 1, characterized in that: Support legs (20) are symmetrically arranged on the lower surface of the processing base plate (1).

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