Seamless hot melting sleeve anti-deformation device

Abstract

The utility model belongs to the technical field of seamless hot melting sleeves, and relates to a seamless hot melting sleeve anti-deformation device which comprises a cover-shaped bottom plate, an annular base is coaxially and fixedly connected to the interior of the bottom plate, a lifting assembly is arranged on the bottom plate and drives a top plate located above the base to vertically move up and down, and the axis of the top plate and the axis of the bottom plate are collinear. Two symmetrical sliding plates are slidably connected into the top plate, protection plates are fixedly connected to the sides, away from each other, of the two sliding plates, the protection plates are arranged in an L shape, the faces, away from the sliding plates, of the protection plates are arranged in an arc shape, a transmission assembly is arranged on the top plate, and the transmission assembly drives the two sliding plates to slide face to face or back to back. The anti-deformation device has the advantages that the seamless hot melting sleeve is moved and sleeved on the top plate, the bottom end of the seamless hot melting sleeve is positioned in the bottom plate, and the top end of the seamless hot melting sleeve is positioned in the protection plate, so that the two ends of the seamless hot melting sleeve can be coated, and the anti-deformation purpose is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of seamless hot-melt sleeves and relates to a seamless hot-melt sleeve anti-deformation device. Background Art

[0002] Seamless hot-melt sleeves are made of polyethylene material and processed after biaxial stretching. They are mainly used for corrosion protection of pipeline welds. During connection, the base layer shrinks and the adhesive layer melts through flame baking, and then shrinks and wraps tightly around the patching joint, forming a firm and continuous corrosion-resistant body with the original pipeline anti-corrosion layer.

[0003] Since the hardness of the seamless hot melt sleeve is relatively low, it is easy to deform if it is squeezed during transportation, which may cause the sealing effect of the hot melt sleeve to be insufficient after welding.

[0004] In order to solve the above problems, the utility model proposes a seamless hot-melt sleeve anti-deformation device. Utility Model Content

[0005] In order to solve the problems existing in the background technology, the utility model proposes a seamless hot-melt sleeve anti-deformation device.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: comprising a bottom plate, the bottom plate is in a cover shape, a ring-shaped base is coaxially fixedly connected inside the bottom plate, a lifting assembly is arranged on the bottom plate, the lifting assembly drives the top plate located above the base to move vertically up and down, and the axes of the top plate and the bottom plate are collinear;

[0007] The top plate is internally slidably connected to two symmetrical slide plates, and the two slide plates are fixedly connected to a protective plate on one side away from each other, the protective plate is L-shaped, and the side of the protective plate away from the slide plate is arc-shaped;

[0008] The top plate is provided with a transmission assembly, which drives the two slide plates to slide toward each other or away from each other.

[0009] Furthermore, the lifting assembly includes a threaded sleeve and a first screw rod, the top end of the inner wall of the base is fixedly connected with a connecting plate, and the threaded sleeve is fixedly connected to the middle of the top surface of the connecting plate;

[0010] The top end of the inner wall of the top plate is fixedly connected with a fixing plate, the top end of the first screw rod is fixedly connected with a second rotating disk, the second rotating disk is rotatably connected to the inside of the fixing plate, and the bottom end of the first screw rod is threadedly connected to the inside of the threaded sleeve;

[0011] Two positioning members are arranged between the base and the top plate, and the positioning members restrict the top plate to move vertically up and down.

[0012] Furthermore, the positioning member includes a guide cylinder and a slide rod, the guide cylinder is fixedly connected to the bottom of the top plate, the slide rod is fixedly connected to the top of the base, and the top end of the slide rod is slidably connected to the inside of the guide cylinder.

[0013] Furthermore, the top plate is provided with two symmetrical receiving grooves, the top and bottom surfaces of each receiving groove are provided with sliding grooves, the top and bottom of the slide plate are fixedly connected with sliders, and the sliders are slidably connected in the corresponding sliding grooves.

[0014] Further, the transmission assembly includes a second screw rod, the second screw rod is arranged horizontally, the second screw rod is perpendicular to the first screw rod, the second screw rod is rotatably connected to the inside of the top plate, and both ends of the second screw rod extend into the inside of the accommodating groove;

[0015] The second screw rod is provided with two thread segments with opposite rotation directions, and the two slide plates are respectively threadedly sleeved on different thread segments;

[0016] The top plate is provided with a driving member, which drives the second screw rod to rotate.

[0017] Furthermore, the driving member includes a first bevel gear and a second bevel gear, and the first bevel gear is fixedly sleeved on the second screw rod;

[0018] A rotating shaft is rotatably penetrated on the fixed plate, and the bottom end of the rotating shaft extends into the interior of the top plate. The second bevel gear is fixedly connected to the bottom end of the rotating shaft, and the first bevel gear and the second bevel gear are meshed.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. The seamless hot-melt sleeve anti-deformation device is provided with a protective plate, which is slidably arranged on the top plate. After the seamless hot-melt sleeve is moved and sleeved on the base and the top plate, the rotating shaft is rotated to drive the second screw rod to rotate, so that the two slide plates slide back to back, driving the two protective plates away from each other, and the protective plate can be moved to the outside of the top plate, so that the top of the seamless hot-melt sleeve can be positioned using the protective plate.

[0021] 2. The seamless hot-melt sleeve anti-deformation device is provided with a top plate and a base. When in use, the seamless hot-melt sleeve is moved and sleeved on the top plate so that the bottom end of the seamless hot-melt sleeve is located in the bottom plate. The first screw rod is rotated by rotating the second turntable, and the bottom end of the first screw rod moves downward in the threaded sleeve, driving the top plate to move downward until the top end of the seamless hot-melt sleeve is located in the protective plate, so that the two ends of the seamless hot-melt sleeve can be covered to achieve the purpose of anti-deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a cross-sectional view of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the slide plate in the utility model;

[0025] Figure 4 It is a structural schematic diagram of the top plate in the utility model;

[0026] Figure 5 This utility model Figure 4 Schematic diagram of the structure with the A part in the middle enlarged.

[0027] In the figure: 1, base; 2, bottom plate; 3, top plate; 4, receiving groove; 5, threaded sleeve; 6, first screw rod; 7, guide cylinder; 8, slide rod; 9, fixed plate; 10, slide groove; 11, slide plate; 12, protective plate; 13, slide block; 14, second screw rod; 15, first bevel gear; 16, second bevel gear; 17, rotating shaft; 18, first turntable; 19, second turntable. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1-Figure 5 As shown, the technical solution adopted by the utility model is as follows: a seamless hot melt sleeve anti-deformation device, comprising a bottom plate 2, the bottom plate 2 is in a cover shape, and a ring-shaped base 1 is coaxially fixedly connected inside the bottom plate 2. A lifting assembly is arranged on the bottom plate 2, and the lifting assembly drives the top plate 3 located above the base 1 to move vertically up and down, and the axes of the top plate 3 and the bottom plate 2 are colinear.

[0030] The lifting assembly comprises a threaded sleeve 5 and a first screw rod 6. A connecting plate is fixedly connected to the top end of the inner wall of the base 1, and the threaded sleeve 5 is fixedly connected to the middle part of the top surface of the connecting plate.

[0031] The top plate 3 is annularly arranged, and the top of the inner wall of the top plate 3 is fixedly connected to the fixing plate 9. The top of the first screw rod 6 is fixedly connected to the second rotating disk 19, and the second rotating disk 19 is rotatably connected to the inside of the fixing plate 9. The bottom end of the first screw rod 6 is threadedly connected to the inside of the threaded sleeve 5.

[0032] Two positioning members are arranged between the base 1 and the top plate 3, and the positioning members restrict the top plate 3 to move vertically up and down. The outer surface diameter of the base 1 is equal to the outer surface diameter of the top plate 3.

[0033] The positioning member includes a guide cylinder 7 and a slide rod 8, wherein the guide cylinder 7 is fixedly connected to the bottom of the top plate 3. The slide rod 8 is fixedly connected to the top of the base 1, and the top end of the slide rod 8 is slidably connected to the inside of the guide cylinder 7.

[0034] Two symmetrical slide plates 11 are slidably connected inside the top plate 3. Two symmetrical receiving grooves 4 are provided on the top plate 3, and a slide groove 10 is provided on the top and bottom surfaces of each receiving groove 4. Slide blocks 13 are fixedly connected to the top and bottom of the slide plates 11, and the slide blocks 13 are slidably connected to the corresponding slide grooves 10. The slide blocks 13 limit the sliding of the slide plates 11.

[0035] The two slide plates 11 are fixedly connected to one side away from each other with a protective plate 12 . The protective plate 12 is arranged in an L shape, and one side of the protective plate 12 away from the slide plate 11 is arranged in an arc shape.

[0036] A transmission assembly is disposed on the top plate 3 , and the transmission assembly drives the two slide plates 11 to slide toward each other or away from each other.

[0037] The transmission assembly includes a second screw rod 14, which is arranged horizontally and perpendicular to the first screw rod 6. The second screw rod 14 is rotatably connected to the inside of the top plate 3, and both ends of the second screw rod 14 extend into the inside of the receiving groove 4.

[0038] The second screw rod 14 is provided with two thread segments with opposite rotation directions, and the two slide plates 11 are respectively threadedly sleeved on different thread segments.

[0039] A driving member is disposed on the top plate 3 , and the driving member drives the second screw rod 14 to rotate.

[0040] The driving member includes a first bevel gear 15 and a second bevel gear 16 . The first bevel gear 15 is fixedly sleeved on the second screw rod 14 .

[0041] A rotating shaft 17 is rotatably passed through the fixed plate 9, and the bottom end of the rotating shaft 17 extends into the interior of the top plate 3, and the second bevel gear 16 is fixedly connected to the bottom end of the rotating shaft 17. The first bevel gear 15 is meshed with the second bevel gear 16. The top end of the rotating shaft 17 is fixedly connected to a first rotating disk 18, and the first rotating disk 18 is slidably matched with the fixed plate 9.

[0042] Working principle:

[0043] In the initial state, the two protection plates 12 are completely located inside the top plate 3 .

[0044] When in use, the seamless hot melt sleeve is moved to the top of the top plate 3, and the seamless hot melt sleeve is pushed downward to be sleeved on the top plate 3. The seamless hot melt sleeve is continued to be pushed downward until the bottom end of the seamless hot melt sleeve is located between the outer surface of the base 1 and the inner wall of the bottom plate 2.

[0045] At this time, the second rotating disk 19 rotates forwardly, driving the first screw rod 6 to rotate, and the bottom end of the first screw rod 6 rotates inside the threaded sleeve 5.

[0046] The first screw rod 6 drives the second rotating disk 19 to move upward, and the second rotating disk 19 pushes the fixing plate 9 to move upward, so that the top plate 3 moves upward, and drives the guide cylinder 7 to move upward, and the bottom end of the guide cylinder 7 slides upward on the corresponding sliding rod 8.

[0047] The top plate 3 drives the protective plate 12 to move upward until the protective plate 12 is located above the seamless hot-melt sleeve.

[0048] The first rotating disk 18 rotates forward, driving the rotating shaft 17 and the second bevel gear 16 to rotate, driving the first bevel gear 15 and the second screw rod 14 to rotate. The two ends of the second screw rod 14 rotate on the slide plate 11, driving the two slide plates 11 to slide back to each other, and the slider 13 also slides in the corresponding slide groove 10.

[0049] Slide plate 11 drives guard plate 12 to move, and two guard plates 12 are separated from each other, until the arc surface of guard plate 12 is positioned at the outside of seamless hot-melt sleeve. At this moment, guard plate 12 is covered on the top of seamless hot-melt sleeve.

[0050] The second turntable 19 is rotated in the reverse direction, so that the bottom end of the first screw rod 6 moves downward while rotating in the threaded sleeve 5, driving the top plate 3 and the protective plate 12 to move downward until the protective plate 12 contacts the top surface of the seamless hot melt sleeve.

[0051] The first rotating disk 18 is rotated in the opposite direction to drive the second screw rod 14 to rotate, so that the two slide plates 11 slide toward each other, driving the two protection plates 12 to approach each other until the arc surface of the protection plate 12 contacts the outer surface of the seamless hot-melt sleeve, and the top of the seamless hot-melt sleeve can be positioned on the top plate 3. The two ends of the seamless hot-melt sleeve are protected to achieve the purpose of preventing deformation.

[0052] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seamless hot melt sleeve anti-deformation device, characterized in that: The invention comprises a bottom plate (2), the bottom plate (2) is in the shape of a cover, an annular base (1) is coaxially fixedly connected to the inside of the bottom plate (2), a lifting assembly is arranged on the bottom plate (2), and the lifting assembly drives a top plate (3) located above the base (1) to move vertically up and down, and the axes of the top plate (3) and the bottom plate (2) are colinear; The top plate (3) is internally slidably connected to two symmetrical slide plates (11), and the two slide plates (11) are fixedly connected to one side away from each other with a protective plate (12), the protective plate (12) is L-shaped, and the side of the protective plate (12) away from the slide plate (11) is arc-shaped; The top plate (3) is provided with a transmission assembly, which drives the two slide plates (11) to slide towards each other or away from each other.

2. A seamless hot melt sleeve anti-deformation device according to claim 1, characterized in that: The lifting assembly comprises a threaded sleeve (5) and a first screw rod (6); the top end of the inner wall of the base (1) is fixedly connected to a connecting plate, and the threaded sleeve (5) is fixedly connected to the middle of the top surface of the connecting plate; The top end of the inner wall of the top plate (3) is fixedly connected to a fixing plate (9), the top end of the first screw rod (6) is fixedly connected to a second rotating disk (19), the second rotating disk (19) is rotatably connected to the inside of the fixing plate (9), and the bottom end of the first screw rod (6) is threadedly connected to the inside of the threaded sleeve (5); Two positioning members are arranged between the base (1) and the top plate (3), and the positioning members restrict the top plate (3) to move only vertically up and down.

3. A seamless hot melt sleeve anti-deformation device according to claim 2, characterized in that: The positioning member comprises a guide cylinder (7) and a slide rod (8), wherein the guide cylinder (7) is fixedly connected to the bottom of the top plate (3), the slide rod (8) is fixedly connected to the top of the base (1), and the top end of the slide rod (8) is slidably connected to the inside of the guide cylinder (7).

4. A seamless hot melt sleeve anti-deformation device according to claim 2, characterized in that: The top plate (3) is provided with two symmetrical receiving grooves (4), the top surface and the bottom surface of each receiving groove (4) are provided with a slide groove (10), the top and the bottom of the slide plate (11) are fixedly connected with a slider (13), and the slider (13) is slidably connected in the corresponding slide groove (10).

5. A seamless hot melt sleeve anti-deformation device according to claim 4, characterized in that: The transmission assembly comprises a second screw rod (14), the second screw rod (14) is arranged horizontally, the second screw rod (14) is perpendicular to the first screw rod (6), the second screw rod (14) is rotatably connected to the inside of the top plate (3), and both ends of the second screw rod (14) extend into the inside of the accommodating groove (4); The second screw rod (14) is provided with two threaded sections with opposite rotation directions, and the two slide plates (11) are respectively threadedly sleeved on different threaded sections; The top plate (3) is provided with a driving member, which drives the second screw rod (14) to rotate.

6. A seamless hot melt sleeve anti-deformation device according to claim 5, characterized in that: The driving member comprises a first bevel gear (15) and a second bevel gear (16), and the first bevel gear (15) is fixedly sleeved on the second screw rod (14); A rotating shaft (17) is rotatably passed through the fixed plate (9), the bottom end of the rotating shaft (17) extends into the interior of the top plate (3), the second bevel gear (16) is fixedly connected to the bottom end of the rotating shaft (17), and the first bevel gear (15) is meshed with the second bevel gear (16).

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