A steel water pipe socket processing mold

Abstract

The invention relates to the technical field of processing molds, and in particular to a processing mold for a socket and spigot of a steel water pipe, comprising a base plate and multiple groups of clamps, all of which are installed on the top of the base plate; the mold also comprises a first molding device, a second molding device, a power device, an expansion column, a slope and two groups of molding grooves, the expansion column is driven by the power device to slide through the first molding device, the first molding device is used to process an annular groove on the right surface of the water pipe, the slope is arranged at the left end of the expansion column, the two groups of molding grooves are respectively arranged on the outer side wall of the left part of the expansion column, and the second molding device is installed on the base plate; when two steel water pipes are connected end to end, the annular protrusion of the socket of the first water pipe moves between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby making the two water pipes connected and fixed, improving the reliability of the connection, and improving the convenience of processing and molding the socket and spigot of the water pipe.

Description

Technical Field

[0001] The invention relates to the technical field of processing moulds, in particular to a processing mould for the socket and spigot of a steel water pipeline. Background Art

[0002] In pipeline engineering, steel water pipes are widely used due to their high strength, corrosion resistance and long life. In order to ensure the firmness and sealing of the pipeline connection, the socket connection method has become the first choice for steel water pipes. The socket connection method cooperates with the socket at one end of the pipe and the socket at the other end, uses rubber rings or other sealing materials to achieve sealing, and is fixed mechanically or by welding, thereby ensuring the stability and safety of the pipeline system.

[0003] At present, in the existing processing equipment, such as the patent with announcement number CN107152574A, the invention discloses a socket-type pipe socket connection component, including a socket connector. The present invention also provides a method for manufacturing a socket-type pipe socket connection component, and a fixedly connected separating ring is arranged on the socket connector. The present invention adopts a socket connection method to carry out "pipe jacking" pipeline laying in a trenchless pipeline section, which solves the problem that the traditional socket-type pipeline cannot be laid in a "pipe jacking" method in a trenchless pipeline section, and at the same time avoids the use of a welded pipeline connection method, reduces the construction difficulty, and greatly improves work efficiency.

[0004] However, it was found during use that the structure had poor connection and fixing strength to the socket, which reduced the reliability of the pipe butt connection and the convenience of processing and forming the pipe socket. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a steel water pipe socket processing mold, which, when two steel water pipes are connected end to end, the annular protrusion of the socket of the first water pipe moves between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby connecting and fixing the two water pipes, improving the reliability of the connection, and improving the convenience of processing and forming the socket of the water pipe.

[0006] The present invention discloses a processing die for the socket of a steel water pipeline, comprising a base plate and a plurality of sets of clamps, wherein the plurality of sets of clamps are all mounted on the top of the base plate; the die also comprises a first forming device, a second forming device, a power device, an expansion column, a slope surface and two sets of forming grooves, wherein the expansion column is driven by the power device to slide through the first forming device, the first forming device is used to process an annular groove on the surface of the right part of the water pipeline, the slope surface is arranged at the left end of the expansion column, the two sets of forming grooves are respectively arranged on the outer side wall of the left part of the expansion column, the second forming device is mounted on the base plate, and the first forming device and the second forming device are arranged opposite to each other on the left and the second forming device is used to process an annular protrusion on the surface of the left part of the water pipeline; the middle part of the steel water pipeline is clamped and fixed by the plurality of sets of clamps, and then the expansion column is slid to the left by the power device so that the left part of the expansion column is inserted into the water pipeline through the slope surface. The right end of the water pipe is opened, so that the right end of the water pipe is expanded and formed into a socket. At this time, both sets of molding grooves are moved to the inside of the water pipe. Then, the first molding device is extruded and matched with the two sets of molding grooves, so that two annular grooves are processed on the surface of the expansion position of the water pipe. At the same time, an annular protrusion is processed at the plug position of the left part of the water pipe by the second molding device. When the two steel water pipes are connected end to end, the plug of the first water pipe is inserted into the socket of the second water pipe. At this time, the annular protrusion of the plug of the first water pipe moves between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby making the two water pipes connected and fixed, improving the reliability of the connection, and improving the convenience of processing and molding the socket of the water pipe.

[0007] Preferably, the first forming device includes a first moving device, a first sleeve, a guide rail, a support ring, multiple groups of first molds, multiple groups of guide members, multiple groups of first tension springs and multiple groups of first electric cylinders. The first sleeve is installed on the first moving device, and the first moving device is used to drive the first sleeve to move horizontally. The guide rail is arranged on the inner side wall of the first sleeve, the support ring is horizontally slidably installed on the guide rail, and the inner side wall of the support ring is arranged as an inclined surface. Multiple groups of first molds are circumferentially arranged inside the first sleeve, multiple groups of guide members are all installed on the inner side wall of the first sleeve, multiple groups of first molds are respectively slidably installed on the multiple groups of guide members up and down, multiple groups of first tension springs are all installed on the inner side wall of the first sleeve, the ends of multiple groups of first tension springs are respectively connected to the outer side walls of multiple groups of first molds, and the outer side walls of multiple groups of first molds are provided with inclined surfaces, and multiple groups of first electric cylinders are all installed in the first On the inner wall of a sleeve, the moving ends of multiple groups of first electric cylinders are connected to the outer wall of the support ring, and the expansion column slides through the first sleeve, the support ring and the multiple groups of first molds; when the expansion column expands the water pipe into shape, the first sleeve is driven to move horizontally by the moving device, so that the first sleeve drives the multiple groups of first molds to move around the first group of molding grooves, and then the multiple groups of first electric cylinders are used to push the support ring to slide, so that the support ring drives the multiple groups of first molds to move closer to each other through the cooperation of the inclined surface, so that the bottom of the multiple groups of first molds presses the water pipe, so that the multiple groups of first molds cooperate with the first group of molding grooves to process a first annular groove, and then the first sleeve drives the multiple groups of first molds to move around the second group of molding grooves, so as to cooperate to process a second annular groove, thereby improving the convenience of processing and forming the socket of the water pipe and improving the processing efficiency.

[0008] Preferably, the second forming device includes a second moving device, a second sleeve, a shell, a bearing, multiple groups of second molds, multiple groups of second tension springs, a support block, a second electric cylinder and a first motor. The second sleeve is installed on the second moving device. The second moving device is used to drive the second sleeve to move horizontally. The shell is rotatably installed on the inner wall of the second sleeve through the bearing. The multiple groups of second molds are all slidably installed on the shell up and down. The inner walls of the multiple groups of second molds are provided with inclined surfaces. The second sleeve is provided with an annular groove model, and the annular groove model corresponds to the position of the multiple groups of second molds. The ends of the multiple groups of second tension springs are connected to the inner wall of the shell, and the other ends of the multiple groups of second tension springs are connected to the outer walls of the multiple groups of second molds. The support block is slidably arranged in the shell, and the outer wall of the support block is provided with an inclined surface. The second electric cylinder is installed in the shell. On the side wall, the second electric cylinder moving end is connected to the outer wall of the support block, the first motor is installed on the outer wall of the second sleeve, and the output end of the first motor is concentrically connected to the shell; when the water pipeline is fixed, the second sleeve is driven to move by the second moving device, so that the second sleeve is sleeved on the outside of the water pipeline, and at the same time, the shell drives multiple groups of second molds to extend into the water pipeline, and then the second electric cylinder pushes the support block to move, so that the support block drives the multiple groups of second molds to move away from each other through the cooperation of the inclined surface, so that the multiple groups of second molds cooperate with the annular groove model on the second sleeve to squeeze the water pipeline, and the shell is driven to rotate by the first motor to squeeze different positions of the water pipeline, so that the water pipeline socket position is processed into an annular convex shape, thereby improving the convenience of processing and forming the water pipeline socket.

[0009] Preferably, it also includes a supporting device, a grinding wheel, a bracket, a second motor, a supporting plate, multiple groups of telescopic rods and multiple groups of springs, the grinding wheel is rotatably mounted on the bracket, the second motor is mounted on the outer wall of the bracket, the output end of the second motor is connected to the grinding wheel, the supporting plate is mounted on the supporting device, the supporting device is used to drive the supporting plate to move circumferentially, the multiple groups of telescopic rods are all mounted on the outer wall of the supporting plate, the bottom ends of the multiple groups of telescopic rods are all connected to the outer wall of the bracket, and the multiple groups of springs are respectively fitted on the outer walls of the multiple groups of telescopic rods; when processing the water pipe socket, the grinding wheel is brought into contact with the outer wall of the water pipe, and then the grinding wheel is driven to rotate by the second motor, and at the same time the support plate is driven to move circumferentially around the water pipe by the supporting device, so that the grinding wheel grinds the surface of the water pipe socket, thereby improving the smoothing effect of the surface of the water pipe socket and improving the convenience of connecting the pipe socket.

[0010] Preferably, the supporting device includes a driving device, a ring body, a supporting arm, a third electric cylinder and multiple groups of guide columns. The ring body is rotatably mounted on the outer wall of the second sleeve by the driving device, the supporting arm is mounted on the outer wall of the ring body, the third electric cylinder is mounted on the outer wall of the support arm, the moving end of the third electric cylinder is connected to the top of the supporting plate, the multiple groups of guide columns are all slidably mounted on the supporting arm, and the bottom ends of the multiple groups of guide columns are all connected to the outer wall of the supporting plate; the ring body is driven to rotate by the driving device, so that the ring body drives the grinding wheel to move circumferentially, and the supporting plate is driven to move up and down by the third electric cylinder, so that the support plate drives the grinding wheel to move and contact with the surface of the water pipe, thereby improving the convenience of grinding the surface of the water pipe socket.

[0011] Preferably, the driving device includes a third motor, a gear and a gear ring, the third motor is mounted on the outer wall of the second sleeve, the gear is arranged on the output end of the third motor, the gear ring is mounted on the outer wall of the ring body, and the gear ring is meshed with the gear; the gear is driven to rotate by the third motor, and the gear drives the ring body to rotate through meshing with the gear ring.

[0012] Preferably, the power device includes a base and a fourth electric cylinder, the base is mounted on the bottom plate, the fourth electric cylinder is mounted on the base, and the movable end of the fourth electric cylinder is connected to the outer wall of the expansion column; the fourth electric cylinder drives the expansion column to slide, so that the expansion column processes and shapes the socket of the water pipe.

[0013] Preferably, the first moving device includes a first guide member, a first lead screw and a fourth motor, the first guide member is mounted on the base plate, the first sleeve is slidably mounted on the first guide member, the first lead screw is rotatably mounted on the inner wall of the first guide member, the first sleeve is threadedly mounted on the first lead screw, the fourth motor is mounted on the outer wall of the first guide member, and the output end of the fourth motor is connected to the first lead screw; the first lead screw is driven to rotate by the fourth motor, so that the first lead screw drives the first sleeve to move horizontally.

[0014] Preferably, the second moving device includes a second guide, a second lead screw and a fifth motor, the second guide is mounted on the base plate, the second lead screw is rotatably mounted on the inner wall of the second guide, the second sleeve is slidably mounted on the second guide, and the second sleeve is threadedly mounted on the second lead screw, the fifth motor is mounted on the outer wall of the second guide, and the output end of the fifth motor is connected to the second lead screw; the second lead screw is driven to rotate by the fifth motor, so that the second lead screw drives the second sleeve to move horizontally.

[0015] Preferably, it also includes an electromagnetic slip ring, the fixed end of the electromagnetic slip ring is installed on the inner wall of the second sleeve, and the rotating end of the electromagnetic slip ring is installed on the outer wall of the shell; by setting the electromagnetic slip ring, the convenience of normal power supply to the second electric cylinder and the third motor when the shell rotates is improved.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the middle part of the steel water pipe is clamped and fixed by multiple groups of clamps, and then the expansion column is slid to the left by a power device, so that the left part of the expansion column is inserted into the opening of the right end of the water pipe through the slope, so that the expansion of the right end of the water pipe is formed into a socket. At this time, both sets of molding grooves are moved into the interior of the water pipe, and then the first molding device is extruded and matched with the two sets of molding grooves, so that two annular grooves are processed on the surface of the expansion position of the water pipe. At the same time, an annular protrusion is processed at the socket position of the left part of the water pipe by the second molding device. When the two steel water pipes are connected end to end, the socket of the first water pipe is inserted into the socket of the second water pipe. At this time, the annular protrusion of the socket of the first water pipe moves between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby connecting and fixing the two water pipes, improving the reliability of the connection, and improving the convenience of processing and forming the socket of the water pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the axonometric structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the axonometric partial structure of the connection between the expansion column and the forming groove;

[0019] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the first sleeve and the guide rail, etc.;

[0020] Figure 4 It is a schematic diagram of the partial axonometric structure of the connection between the support ring and the first electric cylinder, etc.;

[0021] Figure 5 It is a schematic diagram of the axonometric partial structure of the connection between the housing and the bearing, etc.;

[0022] Figure 6 It is a schematic diagram of the partial axonometric structure of the connection between the support block and the second electric cylinder, etc.;

[0023] Figure 7 It is a schematic diagram of the axonometric partial structure of the connection between the grinding wheel and the bracket, etc.;

[0024] Figure 8 It is a schematic diagram of the axonometric partial structure of the connection between the ring body and the gear ring;

[0025] Fig. 9 is a schematic diagram of an axonometric partial structure of the connection between the first guide member and the first lead screw, etc.;

[0026] Fig.10 is an isometric partial structural diagram of the connection between the first die and the first tension spring, etc.;

[0027] Fig.11It is a schematic diagram of the axonometric partial structure of the connection between the guide rail and the support ring;

[0028] Fig.12 It is a schematic diagram of the axonometric local structure of the connection between the base plate and the fixture, etc.;

[0029] Fig.13 It is a schematic diagram of the matching structure of the socket and spigot of a steel water pipe.

[0030] Markings in the attached drawings: 101, bottom plate; 102, clamp; 103, expansion column; 104, slope; 105, forming groove; 201, first sleeve; 202, guide rail; 203, support ring; 204, first mold; 205, guide member; 206, first tension spring; 207, first electric cylinder; 301, second sleeve; 302, housing; 303, bearing; 304, second mold; 305, second tension spring; 306, support block; 307, second electric cylinder; 308, first motor; 401, grinding wheel ; 402, bracket; 403, second motor; 404, support plate; 405, telescopic rod; 406, spring; 501, ring body; 502, support arm; 503, third electric cylinder; 504, guide column; 601, third motor; 602, gear; 603, gear ring; 701, base; 702, fourth electric cylinder; 801, first guide member; 802, first lead screw; 803, fourth motor; 901, second guide member; 902, second lead screw; 903, fifth motor; 1001, electromagnetic slip ring. DETAILED DESCRIPTION

[0031] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Example 1

[0032] A steel water pipe socket processing mold of the present invention comprises a bottom plate 101 and multiple groups of clamps 102, wherein the multiple groups of clamps 102 are all mounted on the top of the bottom plate 101; further comprising a first molding device, a second molding device, a power device, an expansion column 103, a slope 104 and two groups of molding grooves 105, wherein the expansion column 103 is driven by the power device to slide through the first molding device, the first molding device is used to process an annular groove on the right surface of the water pipe, the slope 104 is arranged at the left end of the expansion column 103, the two groups of molding grooves 105 are respectively arranged on the left outer side wall of the expansion column 103, the second molding device is mounted on the bottom plate 101, and the first molding device and the second molding device are arranged opposite to each other on the left and the second molding device is used to process an annular protrusion on the left surface of the water pipe;

[0033] The first molding device comprises a first moving device, a first sleeve 201, a guide rail 202, a support ring 203, a plurality of first molds 204, a plurality of guide members 205, a plurality of first tension springs 206 and a plurality of first electric cylinders 207. The first sleeve 201 is mounted on the first moving device, and the first moving device is used to drive the first sleeve 201 to move horizontally. The guide rail 202 is arranged on the inner side wall of the first sleeve 201, and the support ring 203 is horizontally slidably mounted on the guide rail 202, and the inner side wall of the support ring 203 is arranged as an inclined surface. The plurality of first molds 204 are circumferentially arranged inside the first sleeve 201, and the plurality of guide members 205 are arranged on the inner side wall of the first sleeve 201. The plurality of first dies 204 are respectively mounted on the inner wall of the first sleeve 201, and the plurality of first dies 204 are respectively mounted on the plurality of guide members 205 for sliding up and down. The plurality of first tension springs 206 are respectively mounted on the inner wall of the first sleeve 201, and the ends of the plurality of first tension springs 206 are respectively connected to the outer walls of the plurality of first dies 204, and the outer walls of the plurality of first dies 204 are provided with inclined surfaces. The plurality of first electric cylinders 207 are all mounted on the inner wall of the first sleeve 201, and the moving ends of the plurality of first electric cylinders 207 are all connected to the outer walls of the support ring 203, and the expansion column 103 slides through the first sleeve 201, the support ring 203 and the plurality of first dies 204;

[0034] In this embodiment, the middle part of the steel water pipe is clamped and fixed by multiple sets of clamps 102, and then the expansion column 103 is slid to the left by a power device, so that the left part of the expansion column 103 is inserted into the opening at the right end of the water pipe through the slope 104, so that the right end of the water pipe is expanded and formed into a socket. At this time, the two sets of molding grooves 105 are moved to the inside of the water pipe, and then the first molding device is extruded and matched with the two sets of molding grooves 105, so that two annular grooves are processed on the surface of the expansion position of the water pipe. At the same time, The second forming device processes an annular protrusion at the left socket position of the water pipe, so that when the two steel water pipes are connected end to end, the socket of the first water pipe is inserted into the socket of the second water pipe. At this time, the annular protrusion of the socket of the first water pipe moves to between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby connecting and fixing the two water pipes, improving the reliability of the connection, and improving the convenience of processing and forming the sockets of the water pipes. Example 2

[0035] On the basis of Example 1, a steel water pipe socket processing mold of the present invention, the second molding device includes a second moving device, a second sleeve 301, a shell 302, a bearing 303, multiple groups of second molds 304, multiple groups of second tension springs 305, a support block 306, a second electric cylinder 307 and a first motor 308, the second sleeve 301 is installed on the second moving device, the second moving device is used to drive the second sleeve 301 to move horizontally, the shell 302 is rotatably installed on the inner wall of the second sleeve 301 through the bearing 303, the multiple groups of second molds 304 are all slidably installed on the shell 302 up and down, and the inner walls of the multiple groups of second molds 304 A bevel is provided on the upper surface, an annular groove model is provided on the second sleeve 301, and the annular groove model corresponds to the position of the plurality of second molds 304. The ends of the plurality of second tension springs 305 are connected to the inner wall of the shell 302, and the other ends of the plurality of second tension springs 305 are connected to the outer walls of the plurality of second molds 304. The support block 306 is slidably arranged in the shell 302, and the outer wall of the support block 306 is provided with a bevel. The second electric cylinder 307 is installed on the inner wall of the shell 302, and the moving end of the second electric cylinder 307 is connected to the outer wall of the support block 306. The first motor 308 is installed on the outer wall of the second sleeve 301, and the output end of the first motor 308 is concentrically connected to the shell 302.

[0036] It also includes a support device, a grinding wheel 401, a bracket 402, a second motor 403, a support plate 404, multiple groups of telescopic rods 405 and multiple groups of springs 406. The grinding wheel 401 is rotatably mounted on the bracket 402, the second motor 403 is mounted on the outer wall of the bracket 402, the output end of the second motor 403 is connected to the grinding wheel 401, the support plate 404 is mounted on the support device, the support device is used to drive the support plate 404 to move circumferentially, the multiple groups of telescopic rods 405 are all mounted on the outer wall of the support plate 404, the bottom ends of the multiple groups of telescopic rods 405 are all connected to the outer wall of the bracket 402, and the multiple groups of springs 406 are respectively fitted on the outer walls of the multiple groups of telescopic rods 405;

[0037] The support device includes a driving device, a ring body 501, a support arm 502, a third electric cylinder 503 and multiple groups of guide columns 504. The ring body 501 is rotatably mounted on the outer wall of the second sleeve 301 through the driving device, the support arm 502 is mounted on the outer wall of the ring body 501, the third electric cylinder 503 is mounted on the outer wall of the support arm 502, the moving end of the third electric cylinder 503 is connected to the top of the support plate 404, the multiple groups of guide columns 504 are all slidably mounted on the support arm 502, and the bottom ends of the multiple groups of guide columns 504 are all connected to the outer wall of the support plate 404;

[0038] The driving device includes a third motor 601, a gear 602 and a gear ring 603. The third motor 601 is mounted on the outer wall of the second sleeve 301. The gear 602 is arranged on the output end of the third motor 601. The gear ring 603 is mounted on the outer wall of the ring body 501. The gear ring 603 is meshed with the gear 602.

[0039] The power device includes a base 701 and a fourth electric cylinder 702. The base 701 is mounted on the bottom plate 101, and the fourth electric cylinder 702 is mounted on the base 701. The moving end of the fourth electric cylinder 702 is connected to the outer wall of the expansion column 103.

[0040] The first moving device includes a first guide 801, a first lead screw 802 and a fourth motor 803, wherein the first guide 801 is mounted on the bottom plate 101, the first sleeve 201 is slidably mounted on the first guide 801, the first lead screw 802 is rotatably mounted on the inner side wall of the first guide 801, the first sleeve 201 is threadedly mounted on the first lead screw 802, the fourth motor 803 is mounted on the outer side wall of the first guide 801, and the output end of the fourth motor 803 is connected to the first lead screw 802;

[0041] The second moving device includes a second guide member 901, a second lead screw 902 and a fifth motor 903, wherein the second guide member 901 is mounted on the bottom plate 101, the second lead screw 902 is rotatably mounted on the inner side wall of the second guide member 901, the second sleeve 301 is slidably mounted on the second guide member 901, and the second sleeve 301 is screwed on the second lead screw 902, the fifth motor 903 is mounted on the outer side wall of the second guide member 901, and the output end of the fifth motor 903 is connected to the second lead screw 902;

[0042] It also includes an electromagnetic slip ring 1001, the fixed end of the electromagnetic slip ring 1001 is installed on the inner wall of the second sleeve 301, and the rotating end of the electromagnetic slip ring 1001 is installed on the outer wall of the housing 302;

[0043] In this embodiment, after the expansion column 103 expands and forms the water pipe, the first sleeve 201 is driven to move horizontally by the moving device, so that the first sleeve 201 drives the multiple groups of first molds 204 to move around the first group of molding grooves 105, and then the support ring 203 is pushed to slide by the multiple groups of first electric cylinders 207, so that the support ring 203 drives the multiple groups of first molds 204 to move closer to each other through the cooperation of the inclined surface, so that the bottom of the multiple groups of first molds 204 presses the water pipe, so that the multiple groups of first molds 204 cooperate with the first group of molding grooves 105 to process the first annular groove, and then the first sleeve 201 drives the multiple groups of first molds 204 to move around the second group of molding grooves 105, so as to cooperate to process the second annular groove, thereby improving the convenience of processing and forming the socket of the water pipe. The invention is advantageous in improving the processing efficiency. After the water pipeline is fixed, the second sleeve 301 is driven to move by the second moving device so that the second sleeve 301 is sleeved on the outside of the water pipeline. At the same time, the shell 302 drives the multiple sets of second molds 304 to extend into the water pipeline. Then, the second electric cylinder 307 pushes the support block 306 to move so that the support block 306 drives the multiple sets of second molds 304 to move away from each other through the cooperation of the inclined surface, so that the multiple sets of second molds 304 cooperate with the annular groove model on the second sleeve 301 to squeeze the water pipeline. The shell 302 is driven to rotate by the first motor 308 so that the multiple sets of second molds 304 squeeze different positions of the water pipeline, so that the water pipeline socket position is processed into an annular convex shape, thereby improving the convenience of processing and forming the water pipeline socket.

[0044] like Figures 1 to 13 As shown, a socket processing mold for a steel water pipe of the present invention, when working, the middle part of the steel water pipe is clamped and fixed by multiple sets of clamps 102, and then the expansion column 103 is slid to the left by the power device, so that the left part of the expansion column 103 is inserted into the opening at the right end of the water pipe through the slope 104, so that the right end of the water pipe is expanded and formed into a socket, at this time, the two sets of molding grooves 105 are moved to the inside of the water pipe, and then the first molding device is extruded and matched with the two sets of molding grooves 105, so that the water pipe Two annular grooves are machined on the surface of the pipe expansion position. At the same time, an annular protrusion is machined at the left plug position of the water pipe through a second forming device. When the two steel water pipes are connected end to end, the plug of the first water pipe is inserted into the socket of the second water pipe. At this time, the annular protrusion of the plug of the first water pipe moves between the two annular grooves of the socket of the second water pipe, so that the two annular grooves clamp the annular protrusion to limit the position, thereby connecting and fixing the two water pipes.

[0045] The main function achieved by the present invention is: when two steel water pipes are connected end to end, the annular protrusion of the first water pipe socket moves between the two annular grooves of the second water pipe socket, so that the two annular grooves clamp the annular protrusion to limit the position, thereby connecting and fixing the two water pipes, and improving the reliability of the connection;

[0046] The middle part of the steel water pipe is clamped and fixed by multiple sets of clamps 102, and then the expansion column 103 is slid to the left by a power device, so that the left part of the expansion column 103 is inserted into the opening at the right end of the water pipe through the slope 104, so that the right end of the water pipe is expanded and formed into a socket. At this time, both sets of molding grooves 105 are moved into the inside of the water pipe, and then the first molding device is extruded and matched with the two sets of molding grooves 105, so that two annular grooves are processed on the surface of the expansion position of the water pipe. At the same time, an annular protrusion is processed at the left socket position of the water pipe by the second molding device to improve the convenience of processing and molding the socket of the water pipe.

[0047] The clamp 102, the first electric cylinder 207, the second electric cylinder 307, the first motor 308, the second motor 403, the third electric cylinder 503, the third motor 601, the third electric cylinder 503, the third motor 601, the fourth electric cylinder 702, the fourth motor 803, the fifth motor 903 and the electromagnetic slip ring 1001 of a steel water pipe socket processing mold of the present invention are purchased on the market. Technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0048] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A steel water pipe socket processing mold, comprising a base plate (101) and a plurality of sets of clamps (102), wherein the plurality of sets of clamps (102) are all mounted on the top of the base plate (101); characterized in that: It also includes a first molding device, a second molding device, a power device, an expansion column (103), a slope (104) and two groups of molding grooves (105), the expansion column (103) is driven by the power device to slide through the first molding device, the first molding device is used to process an annular groove on the right surface of the water pipeline, the slope (104) is arranged at the left end of the expansion column (103), the two groups of molding grooves (105) are respectively arranged on the left outer wall of the expansion column (103), the second molding device is installed on the bottom plate (101), and the first molding device and the second molding device are arranged opposite to each other on the left and the second molding device is used to process an annular protrusion on the left surface of the water pipeline; The first molding device comprises a first moving device, a first sleeve (201), a guide rail (202), a support ring (203), a plurality of first molds (204), a plurality of guide members (205), a plurality of first tension springs (206), and a plurality of first electric cylinders (207). The first sleeve (201) is mounted on the first moving device, and the first moving device is used to drive the first sleeve (201) to move horizontally. The guide rail (202) is arranged on the inner side wall of the first sleeve (201). The support ring (203) is horizontally slidably mounted on the guide rail (202), and the inner side wall of the support ring (203) is arranged as an inclined surface. The plurality of first molds (204) are circumferentially arranged inside the first sleeve (201). The plurality of guide members (205) are arranged on the inner side wall of the first sleeve (201). ) are all mounted on the inner side wall of the first sleeve (201), multiple groups of first dies (204) are respectively slidably mounted on multiple groups of guide members (205) up and down, multiple groups of first tension springs (206) are all mounted on the inner side wall of the first sleeve (201), the ends of the multiple groups of first tension springs (206) are respectively connected to the outer side walls of the multiple groups of first dies (204), and the outer side walls of the multiple groups of first dies (204) are provided with inclined surfaces, multiple groups of first electric cylinders (207) are all mounted on the inner side wall of the first sleeve (201), the moving ends of the multiple groups of first electric cylinders (207) are all connected to the outer side wall of the support ring (203), and the expansion column (103) slides through the first sleeve (201), the support ring (203) and the multiple groups of first dies (204); The second molding device comprises a second moving device, a second sleeve (301), a shell (302), a bearing (303), a plurality of second molds (304), a plurality of second tension springs (305), a support block (306), a second electric cylinder (307) and a first motor (308); the second sleeve (301) is mounted on the second moving device; the second moving device is used to drive the second sleeve (301) to move horizontally; the shell (302) is rotatably mounted on the inner wall of the second sleeve (301) via the bearing (303); the plurality of second molds (304) are slidably mounted on the shell (302) up and down; the inner walls of the plurality of second molds (304) are provided with inclined surfaces; and the second sleeve (301) is provided with an inclined surface. An annular groove model is provided, the annular groove model corresponds to the position of the plurality of sets of second dies (304), the ends of the plurality of sets of second tension springs (305) are connected to the inner wall of the housing (302), the other ends of the plurality of sets of second tension springs (305) are connected to the outer wall of the plurality of sets of second dies (304), a support block (306) is slidably arranged in the housing (302), the outer wall of the support block (306) is provided with an inclined surface, the second electric cylinder (307) is mounted on the inner wall of the housing (302), the moving end of the second electric cylinder (307) is connected to the outer wall of the support block (306), the first motor (308) is mounted on the outer wall of the second sleeve (301), and the output end of the first motor (308) is concentrically connected to the housing (302).

2. A steel water pipe socket processing mold as claimed in claim 1, characterized in that: The invention also comprises a supporting device, a grinding wheel (401), a bracket (402), a second motor (403), a supporting plate (404), a plurality of telescopic rods (405) and a plurality of springs (406). The grinding wheel (401) is rotatably mounted on the bracket (402). The second motor (403) is mounted on the outer wall of the bracket (402). The output end of the second motor (403) is connected to the grinding wheel (401). The supporting plate (404) is mounted on the supporting device. The supporting device is used to drive the supporting plate (404) to move circumferentially. The plurality of telescopic rods (405) are all mounted on the outer wall of the supporting plate (404). The bottom ends of the plurality of telescopic rods (405) are all connected to the outer wall of the bracket (402). The plurality of springs (406) are respectively fitted on the outer walls of the plurality of telescopic rods (405).

3. A steel water pipe socket processing mold as claimed in claim 2, characterized in that: The support device comprises a driving device, a ring body (501), a support arm (502), a third electric cylinder (503) and a plurality of guide columns (504); the ring body (501) is rotatably mounted on the outer wall of the second sleeve (301) through the driving device; the support arm (502) is mounted on the outer wall of the ring body (501); the third electric cylinder (503) is mounted on the outer wall of the support arm (502); a moving end of the third electric cylinder (503) is connected to the top end of a support plate (404); the plurality of guide columns (504) are slidably mounted on the support arm (502); and the bottom ends of the plurality of guide columns (504) are connected to the outer wall of the support plate (404).

4. A steel water pipe socket processing mold as claimed in claim 3, characterized in that: The driving device comprises a third motor (601), a gear (602) and a gear ring (603); the third motor (601) is mounted on the outer wall of the second sleeve (301); the gear (602) is arranged on the output end of the third motor (601); the gear ring (603) is mounted on the outer wall of the ring body (501); and the gear ring (603) meshes with the gear (602).

5. A steel water pipe socket processing mold as claimed in claim 1, characterized in that: The power device comprises a base (701) and a fourth electric cylinder (702), wherein the base (701) is mounted on the bottom plate (101), the fourth electric cylinder (702) is mounted on the base (701), and the movable end of the fourth electric cylinder (702) is connected to the outer side wall of the expansion column (103).

6. A steel water pipe socket processing mold as claimed in claim 1, characterized in that: The first moving device comprises a first guide member (801), a first lead screw (802) and a fourth motor (803); the first guide member (801) is mounted on a base plate (101); the first sleeve (201) is slidably mounted on the first guide member (801); the first lead screw (802) is rotatably mounted on an inner side wall of the first guide member (801); the first sleeve (201) is threadedly mounted on the first lead screw (802); the fourth motor (803) is mounted on an outer side wall of the first guide member (801); and an output end of the fourth motor (803) is connected to the first lead screw (802).

7. A steel water pipe socket processing mold as claimed in claim 1, characterized in that: The second moving device comprises a second guide member (901), a second lead screw (902) and a fifth motor (903); the second guide member (901) is mounted on the base plate (101); the second lead screw (902) is rotatably mounted on the inner wall of the second guide member (901); the second sleeve (301) is slidably mounted on the second guide member (901); the second sleeve (301) is threadedly mounted on the second lead screw (902); the fifth motor (903) is mounted on the outer wall of the second guide member (901); and the output end of the fifth motor (903) is connected to the second lead screw (902).

8. A steel water pipe socket processing mold as claimed in claim 1, characterized in that: It also includes an electromagnetic slip ring (1001), wherein a fixed end of the electromagnetic slip ring (1001) is mounted on the inner wall of the second sleeve (301), and a rotating end of the electromagnetic slip ring (1001) is mounted on the outer wall of the housing (302).

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