Assembling and positioning mechanism for hollow composite insulator and iron core and injection molding equipment

Abstract

The utility model provides an assembling and positioning mechanism and injection molding equipment for a hollow composite insulator and an iron core, the assembling and positioning mechanism comprises a rack and a frame, the rack comprises a mounting bracket, and the frame is movably arranged on the rack so as to be capable of reciprocating between a first position and a second position along a first direction relative to the mounting bracket; in an initial state, the frame is located at a first position and bears the insulation tube body, the installation support is connected with the fixed end of the iron core, and the central axis of the insulation tube body coincides with the central axis of the iron core and extends in the first direction. The frame moves from the first position to the second position so that the assembly positioning mechanism can be switched from the initial state to the assembly state, and in the process of moving from the first position to the second position, the suspension end, opposite to the fixed end, of the iron core is gradually inserted into the insulating pipe body; in the assembling state, the frame reaches the second position, the iron core is arranged in the insulating pipe body in a penetrating mode, and the two ends of the iron core extend out of the two ends of the insulating pipe body respectively.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of production of hollow composite insulators, and in particular to an assembly positioning mechanism and injection molding equipment for hollow composite insulators and iron cores. BACKGROUND

[0002] A hollow composite insulator comprises an insulating tube, a metal flange, and an insulating umbrella, the silicon rubber umbrella and the metal flange are both sleeved on the outer side of the insulating tube and connected together with the outer surface of the insulating tube. The metal flange is located at the end of the insulating tube, and the silicon rubber umbrella is located between the metal flanges at both ends.

[0003] The insulating umbrella is obtained through an injection molding process. The injection molding process is as follows: the insulating tube is placed in the cavity of the injection mold, then high-temperature vulcanized silicon rubber is injected into the injection mold, and finally the silicon rubber umbrella is formed on the outer side of the insulating tube after the injection molding is completed. Because the injection pressure in the mold is very large during the injection molding stage, the insulating tube is easily squeezed and broken, so in the related technology, a metal iron core is first inserted into the insulating tube to support and protect the insulating tube, then the insulating tube and the metal iron core are placed in the cavity of the injection mold, and then the injection molding is started. After the injection molding is completed, the iron core and the insulating tube are taken out from the mold cavity together, and then the iron core is taken out from the insulating tube alone. In this way, the process of taking and placing the iron core is time-consuming and laborious, and the production efficiency is low. CONTENT OF THE INVENTION

[0004] In order to solve the above technical problems, the embodiment of the present application provides an assembly positioning mechanism and injection molding equipment for hollow composite insulators and iron cores, which can solve the above technical problems.

[0005] The application provides an assembling and positioning mechanism for a hollow composite insulator and a core, the hollow composite insulator comprising an insulating tube body, the assembling and positioning mechanism comprising a rack and a frame, the rack comprising a mounting support; the frame is movably arranged on the rack to be able to reciprocate along a first direction between a first position and a second position relative to the mounting support, the frame being away from the mounting support when in the first position and being close to the mounting support when in the second position; wherein, in the process of inserting the core into the insulating tube body by using the assembling and positioning mechanism, the assembling and positioning mechanism comprises an initial state and an assembling state, in the initial state, the frame is located at the first position and carries the insulating tube body, the mounting support is connected with a fixed end of the core, the fixed end of the core and a suspended end opposite to the fixed end are located on the same side of the insulating tube body, and the central axis of the insulating tube body and the central axis of the core coincide and extend along the first direction; when the frame moves from the first position to the second position, the assembling and positioning mechanism switches from the initial state to the assembling state, in the process of moving from the first position to the second position, the suspended end of the core opposite to the fixed end gradually inserts into the insulating tube body; in the assembling state, the frame reaches the second position, the core is arranged in the insulating tube body, and the fixed end and the suspended end of the core respectively extend from the two ends of the insulating tube body.

[0006] Optionally, the support comprises a first cross rod and a second cross rod which are spaced apart along the first direction, the first cross rod is close to the mounting support, and the second cross rod is away from the mounting support; one end of the insulating tube body is supported by the first cross rod, the other end of the insulating tube body is supported by the second cross rod, and the insulating tube body is limited between the first cross rod and the second cross rod.

[0007] Optionally, the first cross rod comprises a first arc surface and a second arc surface, the first arc surface is close to the mounting support, the first arc surface is higher than the second arc surface, and the height difference between the first arc surface and the second arc surface is less than or equal to the wall thickness of the insulating tube body; the second cross rod comprises a third arc surface and a fourth arc surface, the third arc surface is close to the mounting support, the third arc surface is higher than the fourth arc surface, and the height difference between the third arc surface and the fourth arc surface is less than or equal to the wall thickness of the insulating tube body; the two ends of the insulating tube body are respectively supported by the second arc surface and the third arc surface, and the insulating tube body is limited between the first arc surface and the fourth arc surface.

[0008] Optionally, the frame further comprises a first roller, the first roller is located between the mounting support and the second arc surface; the first roller supports the iron core when the iron core is at least partially inserted into the insulating pipe.

[0009] Optionally, the first arc surface is provided with a first opening, the first opening is open towards the mounting support, the first roller is arranged in the first opening, and an outer surface of the first roller is higher than the first arc surface.

[0010] Optionally, the fourth arc surface is provided with a second opening, the second opening is open away from the mounting support; the frame further comprises a second roller, the second roller is arranged in the second opening, and an outer surface of the second roller is higher than the fourth arc surface; the second roller supports the overhanging end of the iron core in the assembled state.

[0011] Optionally, the frame further comprises a third roller, the third roller is located at one end of the frame close to the mounting support, and the third roller supports the overhanging end of the iron core in the initial state.

[0012] Optionally, the frame further comprises a third cross rod, the third cross rod comprises a fifth arc surface, the fifth arc surface comprises a third opening, the third opening is open towards the mounting support, and the third roller is arranged in the third opening; an outer surface of the third roller is higher than the fifth arc surface.

[0013] Optionally, the assembly positioning mechanism further comprises a guide rail, the guide rail is arranged on the rack and extends along a first direction; the frame comprises a fourth roller, the fourth roller is adapted to the guide rail, and the guide rail guides the fourth roller to reciprocate along the first direction through the fourth roller.

[0014] In a second aspect, the application further provides an injection molding device for producing a hollow composite insulator, comprising the assembly positioning mechanism and an injection mold; the frame further comprises a first longitudinal rod and a second longitudinal rod extending along a first direction, and the first cross rod and the second cross rod are connected between the first longitudinal rod and the second longitudinal rod, and the first longitudinal rod, the second longitudinal rod, the first cross rod and the second cross rod form an accommodation area; the injection mold is mounted on the frame, and the injection mold comprises a first mold body and a second mold body, the first mold body is capable of reciprocating along a second direction between a first avoiding position and a first injection position relative to the mounting support, the first mold body is away from the mounting support at the first avoiding position, and the first mold body is capable of extending into the accommodation area at the first injection position; the second mold body is capable of reciprocating along a second direction between a second avoiding position and a second injection position relative to the mounting support, the second mold body is away from the mounting support at the second avoiding position, and the second mold body is capable of extending into the accommodation area at the second injection position, and the second direction is perpendicular to the first direction; wherein the injection molding device has a first preparation state and a second preparation state, in the first preparation state, the first mold body is located at the first avoiding position, the second mold body is located at the second avoiding position, and the assembly positioning mechanism is in the initial state or the assembly state; in the second preparation state, the first mold body is located at the first injection position, the second mold body is located at the second injection position, and the first mold body and the second mold body form a mold cavity, the assembly positioning mechanism is in the assembly state, and the core and the insulating pipe body are accommodated in the mold cavity.

[0015] Through the assembly positioning mechanism provided by the application, since the central axis of the insulating pipe body and the central axis of the core coincide, during the movement of the frame from the first position to the second position, the insulating pipe body can gradually approach the core and be gradually sleeved on the core; when the frame reaches the second position, the insulating pipe body is completely sleeved on the core, and the two ends of the core can respectively extend from the two ends of the insulating pipe body. After the insulating pipe body sleeved with the core completes the injection molding process, the insulating pipe body can be moved from the second position to the first position by the frame, and the position of the core remains unchanged, so that the insulating pipe body can be removed from the core. In this way, the assembly and separation of the insulating pipe body and the core can be more convenient and fast by using the assembly positioning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of an assembly positioning mechanism for a hollow composite insulator and a core provided by an embodiment of the application, wherein the frame is located at the first position, and the insulating pipe body is located on the frame;

[0017] Figure 2 is a structural schematic view of an assembly positioning mechanism for a hollow composite insulator and a core, provided by an embodiment of the present application, wherein the frame is in the second position and the insulating tube body is on the frame;

[0018] Figure 3 is a top view schematic view of the frame in the assembly positioning mechanism for the hollow composite insulator and the core, provided by an embodiment of the present application;

[0019] Figure 4 is a top view schematic view of the frame in the assembly positioning mechanism for the hollow composite insulator and the core, provided by an embodiment of the present application, wherein the first roller, the second roller and the third roller are omitted;

[0020] Figure 5 is a schematic view of the first crossbar in the frame provided by the present application; Figure 4

[0021] Figure 6 is a schematic view of the second crossbar in the frame provided by the present application; Figure 4

[0022] Figure 7 is a structural schematic view of an injection molding equipment for producing a hollow composite insulator, provided by an embodiment of the present application, wherein the frame of the assembly positioning mechanism is in the first position, the first mold body of the injection molding mold is in the first avoiding position, and the second mold body of the injection molding mold is in the second avoiding position;

[0023] Figure 8 is a structural schematic view of an injection molding equipment for producing a hollow composite insulator, provided by an embodiment of the present application, wherein the frame of the assembly positioning mechanism is in the second position, the first mold body of the injection molding mold is in the first avoiding position, and the second mold body of the injection molding mold is in the second avoiding position;

[0024] Figure 9 is a top view schematic view of the injection molding equipment for producing a hollow composite insulator, provided by an embodiment of the present application, wherein the mounting bracket, the core and the first mold body are omitted;

[0025] Figure 10 shows a position schematic view of the injection molding mold relative to the core when the frame is in the second position using the injection molding equipment for producing a hollow composite insulator provided by the present application;

[0026] Figure 11 shows another position schematic view of the injection molding mold relative to the core when the frame is in the second position using the injection molding equipment for producing a hollow composite insulator provided by the present application.

[0027] Reference signs:

[0028] ​​10-frame, 11-first crossbar, 111-first circular arc surface, 112-second circular arc surface,

[0029] 12-second crossbar, 121-third circular arc surface, 122-fourth circular arc surface,

[0030] 13-third crossbar, 131-fifth circular arc surface,

[0031] 14-first roller, 15-second roller, 16-third roller, 17-fourth roller, 18-first vertical rod, 19-second vertical rod;

[0032] 30-rack, 31-mounting bracket, 32-rail, 33-second slide rail, 34-first slide rail;

[0033] 41-first mold body, 42-second mold body;

[0034] 01-insulating tube body, 02-silicone umbrella, 03-iron core;

[0035] X-first direction, Y-second direction. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0037] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0038] The present application provides an assembly positioning mechanism for a hollow composite insulator and an iron core. The hollow composite insulator comprises an insulating tube body 01. The outer diameter of the iron core 03 is smaller than the outer diameter of the insulating tube body 01, so as to be smoothly inserted into the insulating tube body 01.

[0039] Reference Figures 1 to 3, the assembly positioning mechanism comprises a rack 30 and a frame 10, the rack 30 comprises a mounting support 31, the frame 10 is movably arranged on the rack 30 and can reciprocate along a first direction X between a first position and a second position relative to the mounting support 31, the frame 10 is away from the mounting support 31 when being at the first position, and the frame 10 is close to the mounting support 31 when being at the second position; wherein, in the process of inserting the iron core 03 into the insulating pipe body 01 by using the assembly positioning mechanism, the assembly positioning mechanism comprises an initial state and an assembly state, in the initial state, the frame 10 is at the first position and carries the insulating pipe body 01, the mounting support 31 is connected with the fixed end of the iron core 03, the fixed end and the suspended end opposite to the fixed end of the iron core 03 are located at the same side of the insulating pipe body 01, the center axis of the insulating pipe body 01 and the center axis of the iron core 03 coincide and extend along the first direction X; when the frame 10 moves from the first position to the second position, the assembly positioning mechanism switches from the initial state to the assembly state; in the assembly state, the frame 10 reaches the second position, the iron core 03 is arranged in the insulating pipe body 01, and the fixed end and the suspended end of the iron core 03 respectively extend from the two ends of the insulating pipe body 01. It can be understood that the iron core 03 has opposite fixed end and suspended end.

[0040] Through the above technical solution, since the center axis of the insulating pipe body 01 and the center axis of the iron core 03 coincide, the insulating pipe body 01 can reciprocate along with the frame 10 between the first position and the second position to realize the switching between the initial state and the assembly state, so that the insulating pipe body 01 can be smoothly sleeved on the iron core 03 or separated from the iron core 03. Specifically, the frame 10 can be first located at the first position, then the fixed end of the iron core 03 is connected with the mounting support 31, and the insulating pipe body 01 is carried by the frame 10, so as to obtain the initial state; then, the frame 10 moves towards the second position to switch to the assembly state, so that the insulating pipe body 01 is sleeved on the iron core 03, and the two ends of the iron core 03, i.e. the fixed end and the suspended end, respectively extend from the two ends of the insulating pipe body 01, so as to obtain the assembly state. When the insulating pipe body 01 sleeved with the iron core 03 completes the injection molding process, the insulating pipe body 01 can be moved from the second position to the first position by the frame 10, and the position of the iron core 03 remains unchanged, so that the insulating pipe body 01 can be separated from the iron core 03. Therefore, the assembly positioning mechanism provided by the present application can make the sleeving and separation of the insulating pipe body 01 and the iron core 03 more convenient and fast.

[0041] In a possible implementation, with reference to Figures 1 to 3, the support member comprises a first crossbar 11 and a second crossbar 12 spaced apart along the first direction X, the first crossbar 11 is close to the mounting bracket 31, and the second crossbar 12 is away from the mounting bracket 31; in the initial state, one end of the insulating pipe body 01 is supported by the first crossbar 11, the other end is supported by the second crossbar 12, and the insulating pipe body 01 is limited between the first crossbar 11 and the second crossbar 12. In this way, the position of the insulating pipe body 01 can be accurately limited by the first crossbar 11 and the second crossbar 12, so that the insulating pipe body 01 can stably follow the movement of the frame 10 to be smoothly sleeved on the iron core 03 or withdrawn from the iron core 03.

[0042] In a specific embodiment, with reference to Figures 3 to 6 , the first crossbar 11 comprises a first circular arc surface 111 and a second circular arc surface 112, the first circular arc surface 111 is close to the mounting bracket 31, as shown in Figure 5 , the first circular arc surface 111 is higher than the second circular arc surface 112, and the height difference between the first circular arc surface 111 and the second circular arc surface 112 is less than or equal to the wall thickness of the insulating pipe body 01. The second crossbar 12 comprises a third circular arc surface 121 and a fourth circular arc surface 122, the third circular arc surface 121 is close to the mounting bracket 31, as shown in Figure 6 , the third circular arc surface 121 is higher than the fourth circular arc surface 122, and the height difference between the third circular arc surface 121 and the fourth circular arc surface 122 is less than or equal to the wall thickness of the insulating pipe body 01. The two ends of the insulating pipe body 01 can be supported by the second circular arc surface 112 and the third circular arc surface 121 respectively, and the insulating pipe body 01 is limited between the first circular arc surface 111 and the fourth circular arc surface 122. It can be understood that because there is a height difference between the first circular arc surface 111 and the second circular arc surface 112, a stepped surface structure is formed, and for the same reason, a stepped surface structure is also formed between the third circular arc surface 121 and the fourth circular arc surface 122. The insulating pipe body 01 is limited between the two stepped surface structures and is supported by the two stepped surface structures. In this way, the insulating pipe body 01 can be carried and limited by the first crossbar 11 and the second crossbar 12. Since the height difference between the first circular arc surface 111 and the second circular arc surface 112 is less than or equal to the wall thickness of the insulating pipe body 01, the first circular arc surface 111 is lower than the inner surface of the insulating pipe body 01 or flush with the inner surface of the insulating pipe body 01, so that the first circular arc surface 111 does not block the insertion of the iron core 03 into the insulating pipe body 01. For the same reason, since the height difference between the third circular arc surface 121 and the fourth circular arc surface 122 is less than or equal to the wall thickness of the insulating pipe body 01, the fourth circular arc surface 122 is lower than the inner surface of the insulating pipe body 01 or flush with the inner surface of the insulating pipe body 01, so that the fourth circular arc surface 122 does not block the extension of the iron core 03 from the insulating pipe body 01.

[0043] In one specific embodiment, referring to Figure 3 and Figure 4 The frame 10 further comprises a first roller 14, which is located between the mounting bracket 31 and the second arc surface 112 and supports the core 03 when the core 03 is at least partially inserted into the insulating pipe 01. It should be understood that during the movement of the frame 10 towards the second position, the first roller 14 can first roll into contact with the core 03 when the overhanging end of the core 03 is about to be inserted into the insulating pipe 01, and the overhanging end of the core 03 can be supported by the first roller 14, thereby facilitating the stabilization of the overhanging end of the core 03 to ensure that the central axis of the core 03 and the central axis of the insulating pipe 01 remain coincident and that the insulating pipe 01 can be smoothly fitted onto the core 03. When the core 03 is at least partially inserted into the insulating pipe 01, the core 03 can still be supported by the first roller 14.

[0044] Further, referring to Figure 3 and Figure 4 The first arc surface 111 is provided with a first opening 1110, the opening direction of the first opening 1110 is towards the mounting bracket 31, the first roller 14 is arranged in the first opening 1110, and the outer surface of the first roller 14 is higher than the first arc surface 111. In this way, during the movement of the frame 10 towards the second position, the first roller 14 can first roll into contact with the core 03, and under the support of the first roller 14, there is a gap between the core 03 and the first arc surface 111, which can avoid the frictional contact between the core 03 and the first arc surface 111. Moreover, by providing the first opening 1110, the first roller 14 can be easily installed on the first horizontal rod 11.

[0045] In one example, the frame 10 can further comprise two first support blocks made of nylon, which are arranged on the first arc surface 111 and symmetrically distributed on both sides of the first roller 14 with respect to the central axis of the core 03, and the first support blocks protrude from the first arc surface 111 to block the core 03 from the first arc surface 111. Since the first support blocks are made of nylon, even if the core 03 comes into contact with the first support blocks, the friction therebetween will not wear the core 03, and the friction noise can be smaller.

[0046] In one possible implementation, referring to Figure 3 and Figure 4A second opening 1220 is provided on the fourth arcuate surface, with the opening direction of the second opening 1220 facing away from the mounting bracket 31. The frame 10 also includes a second roller 15, which is disposed in the second opening 1220. The outer surface of the second roller 15 is higher than the fourth arcuate surface 122. In the assembled state, the second roller 15 supports the suspended end of the iron core 03. Thus, when the frame 10 is about to reach the second position, that is, when it is about to switch to the assembled state, the suspended end of the iron core 03 will extend from the insulating tube body 01, and the extended iron core 03 can come into rolling contact with the second roller 15. With the support of the second roller 15, a gap is provided between the iron core 03 and the fourth arcuate surface 122, thereby preventing frictional contact between the iron core 03 and the fourth arcuate surface 122. Moreover, the provision of the second opening 1220 facilitates the installation of the second roller 15 on the second crossbar 12.

[0047] In one example, the frame 10 may further include two second support blocks made of nylon. Both second support blocks are disposed on the fourth arcuate surface 122 and are symmetrically distributed on both sides of the second roller 15 about the central axis of the iron core 03. The second support blocks protrude from the fourth arcuate surface 122 to block the iron core 03 from the fourth arcuate surface 122. Because the second support blocks are made of nylon, even if the iron core 03 contacts the second support blocks, the friction between the two will not wear the iron core 03, and friction noise can be reduced.

[0048] In order to ensure that the axis of the iron core 03 can continue to extend along the first direction X, it is ensured that the insulating tube 01 can be smoothly sleeved on the iron core 03. Figures 1 to 4 The frame 10 may further include a third roller 16, which is located at one end of the frame 10 near the mounting bracket 31. In the initial state, the third roller 16 supports the overhanging end of the iron core 03. Thus, the fixed end of the iron core 03 is connected to the frame 30 so as to be supported by the frame 30. The overhanging end of the iron core 03 can be supported by the third roller 16, thereby stabilizing the position of the overhanging end of the iron core 03 and facilitating alignment of the central axis of the iron core 03 with the central axis of the insulating tube 01.

[0049] Specifically, as the frame 10 moves toward the second position, although the third roller 16 gradually moves away from the overhanging end of the core 03, the first roller 14 can gradually approach the overhanging end of the core 03. Similarly, the second roller 15 can also gradually approach the overhanging end of the core 03. When the frame 10 reaches the second position, the first roller 14 and the second roller 15 are supported below the fixed end of the core 03, and the third roller 16 is supported below the overhanging end of the core 03.

[0050] In one possible implementation, refer to Figures 1 to 4The frame 10 further comprises a third crossbar 13, the third crossbar 13 comprising a fifth arc-shaped surface 131, the fifth arc-shaped surface 131 comprising a third opening 1310, the third opening 1310 being open towards the mounting bracket 31, and the third roller 16 being arranged in the third opening 1310; and the outer surface of the third roller 16 being higher than the fifth arc-shaped surface 131. In this way, under the support of the third roller 16, there is a gap between the iron core 03 and the fifth arc-shaped surface 131, so that the iron core 03 and the fifth arc-shaped surface 131 are prevented from being in frictional contact. Moreover, by arranging the third opening 1310, the third roller 16 is facilitated to be mounted on the third crossbar 13.

[0051] In an example, the frame 10 can further comprise two third support blocks made of nylon, the two third support blocks being arranged on the fifth arc-shaped surface 131 and symmetrically distributed about the central axis of the iron core 03 on both sides of the third roller 16, and the third support blocks protruding from the fifth arc-shaped surface 131 so as to be able to block the iron core 03 and the fifth arc-shaped surface 131. Since the third support blocks are made of nylon, even if the iron core 03 and the third support blocks are in contact, the friction therebetween will not wear the iron core 03, and the friction noise can be small.

[0052] In a possible implementation, with reference to Figure 1 The assembly positioning mechanism further comprises a guide rail 32 arranged on the rack 30 and extending along the first direction X; the frame 10 comprises a fourth roller 17 adapted with the guide rail 32; and the guide rail 32 guides the frame 10 to reciprocate along the first direction X by the fourth roller 17. In this way, the frame 10 is moved by the fourth roller 17, so that the noise generated when the frame 10 moves can be reduced.

[0053] With reference to Figures 7 to 11The application also provides an injection molding device for producing a hollow composite insulator, comprising the injection molding mold and the assembly positioning mechanism. The frame 10 further comprises a first longitudinal rod 18 and a second longitudinal rod 19 extending along the first direction X, and the first cross rod 11 and the second cross rod 12 are connected between the first longitudinal rod 18 and the second longitudinal rod 19, and the first longitudinal rod 18, the second longitudinal rod 19, the first cross rod 11 and the second cross rod 12 enclose a containing area. The injection molding mold is mounted on the rack 30, and the injection molding mold comprises a first mold body 41 and a second mold body 42. The first mold body 41 is capable of reciprocating along the second direction Y between a first avoiding position and a first injection position relative to the mounting support 31, and the first mold body 41 is away from the mounting support 31 at the first avoiding position and is capable of extending into the containing area when being close to the mounting support 31 at the first injection position. The second mold body 42 is capable of reciprocating along the second direction Y between a second avoiding position and a second injection position relative to the mounting support 31, and the second mold body 42 is away from the mounting support 31 at the second avoiding position and is capable of extending into the containing area when being close to the mounting support 31 at the second injection position, and the second direction Y is perpendicular to the first direction X.

[0054] The injection molding device has a first preparation state and a second preparation state, in the first preparation state, the first mold body 41 is located at the first avoiding position, the second mold body 42 is located at the second avoiding position, and the assembly positioning mechanism is in the initial state or the assembly state; in the second preparation state, the first mold body 41 is located at the first injection position, the second mold body 42 is located at the second injection position, and the first mold body 41 and the second mold body 42 are combined to form a mold cavity, the assembly positioning mechanism is in the assembly state, and the core 03 and the insulating pipe body 01 are contained in the mold cavity.

[0055] Through the above technical scheme, in the first preparation state, the first mold body 41 and the second mold body 42 are away from the mounting support 31, so that the fixed end of the core 03 is allowed to be connected with the mounting support 31, and the frame 10 is allowed to move together with the insulating pipe body 01 to the second position to allow the insulating pipe body 01 to be sleeved on the core 03. Then, the first mold body 41 and the second mold body 42 can be moved towards the respective injection positions to surround the core 03 and the insulating pipe body 01, that is, switched to the second preparation state. In this state, high-temperature injection material can be injected into the mold cavity to form an insulating umbrella on the insulating pipe body 01.

[0056] Specifically, the first mold body 41 and the second mold body 42 can be movably connected with the rack 30, respectively. For example, referring to Figure 7 and Figure 8The rack 30 can further include a first sliding rail 34 and a second sliding rail 33. The first mold body 41 is in sliding connection with the first sliding rail 34, so that the first mold body 41 can reciprocate between a first avoiding position and a first injection position. The second mold body 42 is in sliding connection with the second sliding rail 33, so that the second mold body 42 can reciprocate between a second avoiding position and a second injection position.

[0057] With the injection molding device, the first mold body 41 of the injection molding mold can be first located at the first avoiding position, and the second mold body 42 is located at the second avoiding position. After the insulating tube body 01 is sleeved on the iron core 03 by using the assembly positioning mechanism, the frame 10 can be kept at the second position, and the first mold body 41 and the second mold body 42 are both moved towards the containing area. When reaching the respective injection positions, the first mold body 41 and the second mold body 42 can be buckled to form a mold cavity, and the iron core 03 and the insulating tube body 01 are both located in the mold cavity. Then, high-temperature injection material can be injected into the mold cavity to form an insulating umbrella on the insulating tube body 01. After the injection is completed, the first mold body 41 and the second mold body 42 can be first moved to the respective avoiding positions, and then the frame 10 is moved towards the first position, so that the insulating tube body 01 can be removed from the iron core 03.

[0058] With the injection molding device provided in the present application, during the preparation process of the insulating umbrella injection molded on the outer surface of the insulating tube body 01, the iron core 03 can be kept in a fixed position relative to the rack 30, and the insulating tube body 01 and the iron core 03 can be both located in the mold cavity only by moving the insulating tube body 01 through the frame 10. After the injection is completed, the iron core 03 and the insulating tube body 01 can be separated only by moving the insulating tube body 01 through the frame 10. The action of taking and placing the iron core 03 is saved, and the injection efficiency is improved.

[0059] It should be noted that, according to the needs of implementation, each component / step described in the embodiments of the present application can be split into more components / steps, or two or more components / steps or part of the operation of the components / steps can be combined into a new component / step, so as to achieve the purpose of the embodiments of the present application.

[0060] The above embodiments are only used to illustrate the embodiments of the present application, and are not intended to limit the embodiments of the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present application, and the patent protection scope of the embodiments of the present application should be defined by the claims.

Claims

1. An assembly positioning mechanism for a hollow composite insulator and an iron core, the hollow composite insulator comprising an insulating tube (01), characterized in that: The assembly positioning mechanism comprises: A frame (30), the frame (30) including a mounting bracket (31); a frame (10), the frame (10) being movably disposed on the frame (30) so as to be capable of reciprocating along a first direction (X) between a first position and a second position relative to the mounting bracket (31), the frame (10) being away from the mounting bracket (31) in the first position and approaching the mounting bracket (31) in the second position; Wherein, in the process of inserting the iron core (03) into the insulating tube body (01) using the assembly positioning mechanism, the assembly positioning mechanism includes an initial state and an assembly state. In the initial state, the frame (10) is located at the first position and carries the insulating tube (01), the mounting bracket (31) is connected to the fixed end of the iron core (03), the fixed end of the iron core (03) and the suspended end opposite to the fixed end are located on the same side of the insulating tube (01), and the central axis of the insulating tube (01) and the central axis of the iron core (03) coincide and extend along a first direction (X); When the frame (10) moves from the first position to the second position, the assembly positioning mechanism switches from the initial state to the assembly state; In the assembled state, the frame (10) reaches the second position, the iron core (03) is inserted into the insulating tube body (01), and the fixed end and the suspended end of the iron core (03) extend from both ends of the insulating tube body (01) respectively.

2. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 1, characterized in that: The frame (10) comprises a first crossbar (11) and a second crossbar (12) spaced apart along a first direction (X), the first crossbar (11) being close to the mounting bracket (31) and the second crossbar (12) being far away from the mounting bracket (31); In the initial state, one end of the insulating tube body (01) is supported by the first crossbar (11), and the other end is supported by the second crossbar (12), and the insulating tube body (01) is limited between the first crossbar (11) and the second crossbar (12).

3. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 2, characterized in that: The first crossbar (11) comprises a first arcuate surface (111) and a second arcuate surface (112), the first arcuate surface (111) being close to the mounting bracket (31), the first arcuate surface (111) being higher than the second arcuate surface (112), and the height difference between the first arcuate surface (111) and the second arcuate surface (112) being less than or equal to the wall thickness of the insulating tube body (01); The second crossbar (12) comprises a third arcuate surface (121) and a fourth arcuate surface (122), the third arcuate surface (121) is close to the mounting bracket (31), the third arcuate surface (121) is higher than the fourth arcuate surface (122), and the height difference between the third arcuate surface (121) and the fourth arcuate surface (122) is less than or equal to the wall thickness of the insulating tube body (01); Both ends of the insulating tube body (01) are supported by the second arcuate surface (112) and the third arcuate surface (121), respectively, and the insulating tube body (01) is limited between the first arcuate surface (111) and the fourth arcuate surface (122).

4. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 3, characterized in that: The frame (10) further includes a first roller (14), wherein the first roller (14) is located between the mounting bracket (31) and the second arc-shaped surface (112); When at least a portion of the iron core (03) is inserted into the insulating tube (01), the first roller (14) supports the iron core (03).

5. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 4, characterized in that: A first opening (1110) is provided on the first arc-shaped surface (111), the opening direction of the first opening (1110) being directed toward the mounting bracket (31), the first roller (14) being provided in the first opening (1110), and the outer surface of the first roller (14) being higher than the first arc-shaped surface (111).

6. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 3, characterized in that: A second opening (1220) is provided on the fourth arc-shaped surface (122), and the opening direction of the second opening (1220) is away from the mounting bracket (31); The frame (10) further comprises a second roller (15), the second roller (15) being arranged in the second opening (1220), the outer surface of the second roller (15) being higher than the fourth arc-shaped surface (122), and in the assembled state, the second roller (15) supporting the suspended end of the iron core (03).

7. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 1, characterized in that: The frame (10) further comprises a third roller (16), the third roller (16) being located at one end of the frame (10) close to the mounting bracket (31), and in the initial state, the third roller (16) supports the suspended end of the iron core (03).

8. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 7, characterized in that: The frame (10) further comprises a third crossbar (13), the third crossbar (13) comprising a fifth arcuate surface (131), the fifth arcuate surface (131) comprising a third opening (1310), the opening direction of the third opening (1310) being towards the mounting bracket (31), the third roller (16) being arranged in the third opening (1310); and the outer surface of the third roller (16) being higher than the fifth arcuate surface (131).

9. The assembly and positioning mechanism for hollow composite insulators and iron cores according to claim 1, characterized in that: The assembly positioning mechanism further includes a guide rail (32), which is arranged on the frame (30) and extends along a first direction (X); the frame (10) includes a fourth roller (17), which is adapted to the guide rail (32), and the guide rail (32) is guided by the fourth roller (17) and reciprocated along the first direction (X).

10. An injection molding device for producing hollow composite insulators, characterized in that: The injection molding equipment comprises an injection mold and an assembly and positioning mechanism for a hollow composite insulator and an iron core according to any one of claims 2 to 9; The frame (10) further comprises a first longitudinal rod (18) and a second longitudinal rod (19) both extending along a first direction (X); a first crossbar (11) and a second crossbar (12) of the frame (10) are both connected between the first longitudinal rod (18) and the second longitudinal rod (19); the first longitudinal rod (18), the second longitudinal rod (19), the first crossbar (11) and the second crossbar (12) enclose a receiving area; The injection mold is mounted on the frame (30), and comprises a first mold body (41) and a second mold body (42). The first mold body (41) is capable of reciprocating along a second direction (Y) relative to the mounting bracket (31) between a first avoidance position and a first injection position. The first mold body (41) is away from the mounting bracket (31) in the first avoidance position, and is close to the mounting bracket (31) and can extend into the accommodating area in the first injection position. The second mold body (42) is capable of reciprocating along a second direction (Y) relative to the mounting bracket (31) between a second avoidance position and a second injection position, wherein the second mold body (42) is away from the mounting bracket (31) at the second avoidance position and close to the mounting bracket (31) and is capable of extending into the accommodating area at the second injection position, and the second direction (Y) is perpendicular to the first direction (X); The injection molding device has a first ready state and a second ready state. In the first preparation state, the first mold body (41) is located at the first avoidance position, the second mold body (42) is located at the second avoidance position, and the assembly positioning mechanism is in the initial state or the assembly state; In the second preparation state, the first mold body (41) is located at the first injection molding position, the second mold body (42) is located at the second injection molding position, and the first mold body (41) and the second mold body (42) are buckled together to form a mold cavity, the assembly positioning mechanism is in the assembly state, and the iron core (03) and the insulating tube body (01) are both accommodated in the mold cavity.

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