Automatic steel pipe stretching equipment

Abstract

The utility model discloses automatic steel pipe stretching equipment, which belongs to the field of automatic steel pipe stretching, and comprises a first stretching component and a clamping component, the first stretching component comprises a servo motor, the output end of the servo motor is connected with a first transmission wheel, and the side surface of the first transmission wheel is wound with a transmission belt; a second transmission wheel is mounted in the transmission belt, a winding roller is fixedly connected to the surface of the second transmission wheel, a stretching chain is wound around the side surface of the winding roller, a guide wheel is connected to the upper end of the stretching chain, a transmission shaft is inserted into the guide wheel, and bearings are mounted at the two ends of the transmission shaft; the first stretching assembly is matched with the clamping assembly, so that a core rod can be automatically conveyed, a steel pipe can be automatically stretched, the stretching efficiency of the stretching equipment is improved, meanwhile, the core rods of different sizes can be clamped and conveyed through mutual matching of the structures, and the stretching efficiency is improved. And the universality of the stretching equipment can be enhanced.

Description

Technical Field

[0001] The utility model relates to the field of automatic steel pipe stretching, in particular to automatic steel pipe stretching equipment. Background Art

[0002] In the process of stretching steel pipes, stretching equipment is required. When stretching steel pipes, existing stretching equipment is not convenient for automatically sending the core rod to the mold, which affects the stretching efficiency of the stretching equipment. Based on this, it is necessary to provide a stretching equipment that can facilitate automatic transmission of the core rod and improve the stretching efficiency of the steel pipe. In addition, the existing stretching equipment is not convenient for clamping and conveying core rods of different sizes, which affects the versatility of the stretching equipment. Based on this, it is necessary to provide a stretching equipment that can clamp core rods of different sizes and enhance the versatility. Utility Model Content

[0003] The embodiment of the utility model provides an automatic steel pipe stretching device, which aims to solve the problem that the existing stretching equipment is not convenient for automatically stretching and conveying steel pipes, and is not convenient for clamping mandrels of different sizes.

[0004] To achieve the above-mentioned purpose, the utility model provides an automatic steel pipe stretching device, comprising a first stretching assembly and a clamping assembly;

[0005] The first stretching assembly includes a servo motor, an output end of the servo motor is connected to a first transmission wheel, a transmission belt is wound around the side surface of the first transmission wheel, a second transmission wheel is installed inside the transmission belt, a winding roller is fixedly connected to the surface of the second transmission wheel, a stretching chain is wound around the side surface of the winding roller, an upper end of the stretching chain is connected to a guide wheel, a transmission shaft is inserted into the guide wheel, and bearings are installed at both ends of the transmission shaft;

[0006] The clamping assembly includes a first clamping piece and a second clamping piece, wherein the lower end of the second clamping piece is fixedly connected to a hook, and the upper end of the first clamping piece is threadedly connected to a tightening bolt;

[0007] The second stretching assembly includes a first guide rail, a guide plate is fixedly installed at one end of the first guide rail, a guide hole is opened on the surface of the guide plate, and a second guide rail is fixedly connected to the other side of the guide plate. A movable plate is installed at the upper end of the second guide rail, a transmission clamp is installed at the upper end of the movable plate, a clamping plate is installed at the front end of the transmission clamp, and a transmission chain is installed at the lower end of the second guide rail.

[0008] As a preferred solution of the present invention, a connecting hole is provided on the surface of the guide wheel, and the transmission shaft is inserted into the connecting hole.

[0009] As a preferred solution of the present invention, a plurality of strip grooves are provided on the side surfaces of both ends of the transmission shaft, and a plurality of limit strips are fixedly connected to the inner wall of the bearing, and the plurality of limit strips are clamped in the interior of the strip grooves.

[0010] As a preferred solution of the present invention, the upper end of the first clamp is fixedly connected to a spiral tube, and the tightening bolt is threadedly connected to the inside of the spiral tube.

[0011] As a preferred solution of the present invention, a plurality of screw holes are provided on the surfaces of the first clamp and the second clamp, the interiors of the plurality of screw holes are threadedly connected with connecting bolts, and the lower ends of the connecting bolts are threadedly connected with nuts.

[0012] As a preferred solution of the present invention, the stretch chain is made of alloy steel.

[0013] As a preferred solution of the present invention, the first clip, the second clip and the hook are all made of aluminum alloy.

[0014] As a preferred solution of the present invention, a connecting groove is provided on the surface of the first guide rail, the guide wheel, transmission shaft and bearing are all installed inside the connecting groove, the lower end of the movable plate is fixedly connected to a plurality of guide blocks, and the plurality of guide blocks are slidably connected to the upper end of the second guide rail.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. When stretching the mandrel, the mandrel is first clamped by the clamping assembly, and then the servo motor is started to rotate the first transmission wheel, and the belt can rotate the second transmission wheel and the winding roller on its surface. As the winding roller rotates, the stretching chain is stretched along the guide wheel, and at the same time, the clamping assembly and the clamped mandrel are stretched into the interior of the steel pipe. At this time, the steel pipe and the mandrel are inserted into the guide hole, and the steel pipe can be clamped by the transmission clamp and the clamping plate. At the same time, the transmission chain can control the moving plate to move along the second guide rail, thereby stretching the steel pipe. Compared with the stretching equipment in the prior art, the utility model can facilitate the automatic conveying of the mandrel through the mutual cooperation of the above structures, thereby automatically stretching the steel pipe, thereby improving the stretching efficiency of the stretching equipment;

[0017] 2. When stretching core rods of different sizes, the core rod is first clamped by the first clamping piece and the second clamping piece, and then the connecting bolt is threaded into the screw hole, and the nut is used to enhance the clamping strength of the core rod. Then, the tightening bolt is tightened and rotated down along the screw tube to clamp core rods of different sizes. Compared with the stretching equipment in the prior art, the utility model can clamp core rods of different sizes through the cooperation of the above structures, thereby enhancing the versatility of the stretching equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a disassembled diagram of the first tensile component structure of the present invention;

[0020] Figure 3 This is a disassembled diagram of the first clip structure of the utility model;

[0021] Figure 4 This is the disassembly diagram of the second clip structure of the utility model

[0022] Figure 5 This is a schematic diagram of the structure of the second stretching component of the utility model

[0023] Figure 6 This is a disassembled diagram of the second tensile component structure of the present invention.

[0024] In the figure: 100, first stretching component; 101, servo motor; 102, first transmission wheel; 103, transmission belt; 104, second transmission wheel; 105, winding roller; 106, stretching chain; 107, guide wheel; 108, transmission shaft; 109, bearing; 111, connecting hole; 121, strip groove; 122, limit strip; 200, clamping component; 201, first clamping piece; 202, second clamping piece; 203, hook; 204, tightening bolt; 211, screw tube; 221, screw hole; 222, connecting bolt; 223, nut; 300, second stretching component; 301, first guide rail; 302, guide plate; 303, guide hole; 304, second guide rail; 305, movable plate; 306, transmission clamp; 307, clamping plate; 308, transmission chain; 311, connecting groove; 312, guide block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5 , the utility model provides an automatic steel pipe stretching device, including a first stretching component 100 and a clamping component 200;

[0027] The first stretching assembly 100 includes a servo motor 101, the output end of the servo motor 101 is connected to a first transmission wheel 102, a transmission belt 103 is wound around the side surface of the first transmission wheel 102, a second transmission wheel 104 is installed inside the transmission belt 103, a winding roller 105 is fixedly connected to the surface of the second transmission wheel 104, a stretching chain 106 is wound around the side surface of the winding roller 105, the upper end of the stretching chain 106 is connected to a guide wheel 107, a transmission shaft 108 is inserted into the guide wheel 107, and bearings 109 are installed at both ends of the transmission shaft 108;

[0028] The clamping assembly 200 includes a first clamping piece 201 and a second clamping piece 202. The lower end of the second clamping piece 202 is fixedly connected to a hook 203. The upper end of the first clamping piece 201 is threadedly connected to a tightening bolt 204.

[0029] The second stretching assembly 300 includes a first guide rail 301, a guide plate 302 is fixedly installed at one end of the first guide rail 301, a guide hole 303 is opened on the surface of the guide plate 302, and a second guide rail 304 is fixedly connected to the other side of the guide plate 302, a movable plate 305 is installed at the upper end of the second guide rail 304, a transmission clamp 306 is installed at the upper end of the movable plate 305, a clamping plate 307 is installed at the front end of the transmission clamp 306, and a transmission chain 308 is installed at the lower end of the second guide rail 304.

[0030] In a specific embodiment, the first stretching assembly 100 is provided in conjunction with the clamping assembly 200, which can not only automatically convey the mandrel, thereby automatically stretching the steel pipe and improving the stretching efficiency of the stretching equipment, but also can clamp and convey mandrels of different sizes through the cooperation of the above structures, thereby enhancing the versatility of the stretching equipment. When in use, the mandrel is first clamped by the first clamping piece 201 and the second clamping piece 202, and then the tightening bolt 204 is tightened and lowered along the screw tube 211 to clamp mandrels of different sizes, thereby being able to It can enhance the versatility of the stretching equipment, and then install a guide plate 302 with a suitable guide hole 303 specification, and then start the servo motor 101 to rotate the first transmission wheel 102, and cooperate with the transmission belt 103 to rotate the second transmission wheel 104 and the winding roller 105 on its surface. At this time, the core rod and the steel pipe pass through the guide hole 303, and then the steel pipe can be clamped by the transmission clamp 306 and the clamping plate 307, and the transmission chain 308 is started, so that the steel pipe can be stretched, thereby transporting the core rod into the interior of the steel pipe, thereby improving the stretching efficiency of the stretching equipment.

[0031] See also Figure 2 A connecting hole 111 is formed on the surface of the guide wheel 107 , and the transmission shaft 108 is inserted into the connecting hole 111 .

[0032] In a specific embodiment, the transmission shaft 108 is inserted into the connecting hole 111 . When the guide wheel 107 rotates, the presence of the transmission shaft 108 can improve the stability of the guide wheel 107 .

[0033] See also Figure 2 The side surfaces of both ends of the transmission shaft 108 are provided with a plurality of strip grooves 121 , and the inner wall of the bearing 109 is fixedly connected with a plurality of limit strips 122 , and the plurality of limit strips 122 are all snapped into the interior of the strip grooves 121 .

[0034] In a specific embodiment, the limiting strip 122 is clamped inside the strip groove 121 , and when the transmission shaft 108 rotates, the bearing 109 can be rotated with it, thereby significantly improving the stability of the guide wheel 107 .

[0035] See also Figure 3 and Figure 4 The upper end of the first clamp 201 is fixedly connected to a screw tube 211 , and the tightening bolt 204 is threadedly connected to the inside of the screw tube 211 .

[0036] In a specific embodiment, the mandrel can be squeezed and fixed by controlling the tightening bolt 204 to be threadedly connected inside the solenoid 211, so as to facilitate clamping of mandrels of different sizes, thereby enhancing the versatility of the stretching equipment.

[0037] See also Figure 3 and Figure 4 The surfaces of the first clamp 201 and the second clamp 202 are both provided with a plurality of screw holes 221 , the interiors of the plurality of screw holes 221 are all threadedly connected with connecting bolts 222 , and the lower ends of the connecting bolts 222 are threadedly connected with nuts 223 .

[0038] In a specific embodiment, the connection bolt 222 is threadedly connected inside the nut 223 to enhance the clamping strength of the first clamp 201 and the second clamp 202 on the core rod, thereby improving the tensioning safety.

[0039] See also Figure 2 , the tensile chain 106 is made of alloy steel.

[0040] In a specific embodiment, the tensile chain 106 supported by alloy steel has tensile strength, thereby extending the service life of the tensile equipment.

[0041] See also Figure 3 and Figure 4 The first clip 201, the second clip 202 and the hook 203 are all made of aluminum alloy.

[0042] In a specific embodiment, the first clip 201 , the second clip 202 , and the hook 203 made of aluminum alloy can enhance their own strength while saving manufacturing costs and improving versatility.

[0043] See also Figure 5 and Figure 6 A connecting groove 311 is provided on the surface of the first guide rail 301, and the guide wheel 107, the transmission shaft 108 and the bearing 109 are all installed inside the connecting groove 311. The lower end of the movable plate 305 is fixedly connected to a plurality of guide blocks 312, and the plurality of guide blocks 312 are slidably connected to the upper end of the second guide rail 304.

[0044] In a specific embodiment, the presence of the connecting groove 311 can improve the installation stability of the guide wheel 107, the transmission shaft 108 and the bearing 109. The guide block 312 is connected to the second guide rail 304, thereby facilitating the improvement of the movement stability of the movable plate 305.

[0045] Working principle: When in use, first clamp the core rod through the first clamp 201 and the second clamp 202 and at the same time tighten the tightening bolt 204 and lower it along the screw tube 211, so that core rods of different sizes can be clamped, thereby enhancing the versatility of the stretching equipment. Then start the servo motor 101 to rotate the first transmission wheel 102, and cooperate with the transmission belt 103 to rotate the second transmission wheel 104 and the winding roller 105 on its surface. At this time, the steel pipe and the core rod are inserted into the guide hole 303, and the steel pipe can be clamped by the transmission clamp 306 and the clamping plate 307. At the same time, the transmission chain 308 can control the movable plate 308 to move along the second guide rail 304, thereby stretching the steel pipe. At this time, the clamping assembly 200 carries the core rod into the steel pipe, thereby improving the stretching efficiency of the stretching equipment.

[0046] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0047] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic steel pipe stretching equipment, characterized in that, include: A first stretching assembly (100), comprising a servo motor (101), an output end of the servo motor (101) being connected to a first transmission wheel (102), a transmission belt (103) being wound around the side surface of the first transmission wheel (102), a second transmission wheel (104) being installed inside the transmission belt (103), a winding roller (105) being fixedly connected to the surface of the second transmission wheel (104), a stretching chain (106) being wound around the side surface of the winding roller (105), an upper end of the stretching chain (106) being connected to a guide wheel (107), a transmission shaft (108) being inserted into the guide wheel (107), and bearings (109) being installed at both ends of the transmission shaft (108); A clamping assembly (200), the clamping assembly (200) comprising a first clamping piece (201) and a second clamping piece (202), the lower end of the second clamping piece (202) being fixedly connected to a hook (203), and the upper end of the first clamping piece (201) being threadedly connected to a tightening bolt (204); The second stretching assembly (300) comprises a first guide rail (301), a guide plate (302) is fixedly mounted on one end of the first guide rail (301), a guide hole (303) is provided on the surface of the guide plate (302), a second guide rail (304) is fixedly connected to the other side of the guide plate (302), a movable plate (305) is mounted on the upper end of the second guide rail (304), a transmission clamp (306) is mounted on the upper end of the movable plate (305), a clamping plate (307) is mounted on the front end of the transmission clamp (306), and a transmission chain (308) is mounted on the lower end of the second guide rail (304).

2. The automatic steel pipe stretching equipment according to claim 1, characterized in that: A connecting hole (111) is provided on the surface of the guide wheel (107), and the transmission shaft (108) is inserted into the connecting hole (111).

3. The automatic steel pipe stretching equipment according to claim 1, characterized in that: The side surfaces at both ends of the transmission shaft (108) are provided with a plurality of strip grooves (121), and the inner wall of the bearing (109) is fixedly connected with a plurality of limit strips (122), and the plurality of limit strips (122) are all clamped inside the strip grooves (121).

4. The automatic steel pipe stretching equipment according to claim 1, characterized in that: The upper end of the first clamp (201) is fixedly connected to a screw tube (211), and the tightening bolt (204) is threadedly connected to the interior of the screw tube (211).

5. The automatic steel pipe stretching equipment according to claim 1, characterized in that: The surfaces of the first clamp (201) and the second clamp (202) are both provided with a plurality of screw holes (221), the interiors of the plurality of screw holes (221) are threadedly connected with connecting bolts (222), and the lower ends of the connecting bolts (222) are threadedly connected with nuts (223).

6. The automatic steel pipe stretching equipment according to claim 1, characterized in that: The tensile chain (106) is made of alloy steel.

7. The automatic steel pipe stretching equipment according to claim 1, characterized in that: The first clamping piece (201), the second clamping piece (202) and the hook (203) are all made of aluminum alloy.

8. The automatic steel pipe stretching equipment according to claim 1, characterized in that: A connecting groove (311) is provided on the surface of the first guide rail (301), the guide wheel (107), the transmission shaft (108) and the bearing (109) are all installed inside the connecting groove (311), and the lower end of the movable plate (305) is fixedly connected to a plurality of guide blocks (312), and the plurality of guide blocks (312) are slidably connected to the upper end of the second guide rail (304).

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