An insulator forming device

Abstract

This invention relates to the field of insulator production technology, specifically to an insulator forming device, comprising a molding assembly, which consists of a fixed mold and a moving mold. Demolding components are provided at both ends of the fixed mold. The demolding components include a linkage structure, a support plate structure, and a limiting frame. A conveyor belt is located on the left side of the limiting frame. The linkage structure comprises a rotating rod and a first transmission mechanism, which cooperates with the movement of the moving mold. The support plate structure consists of a locking block, a side plate, and two brackets from the outside in. A trimming component is located on the left side of the molding assembly between the two limiting frames. The trimming component includes a trimming plate and a toothed ring. This invention, by setting up the linkage structure, support plate structure, and trimming component, directly drives the insulator demolding and trimming when the fixed mold and moving mold separate, and then directly sends the trimmed insulator to the next workstation via the conveyor belt. This integrates demolding, trimming, and conveying, improving insulator production efficiency and reducing labor costs.

Description

Technical Field

[0001] This invention belongs to the field of insulator production technology, specifically an insulator forming device. Background Technology

[0002] Insulators are important insulating devices in power systems, serving functions such as electrical isolation and mechanical support. Insulators are generally classified into composite insulators, porcelain insulators, and glass insulators. Composite insulators are typically formed by pressing composite raw materials with pre-made insulator core rods using molds.

[0003] For example, the invention patent with publication number CN120816674A discloses a composite insulator skirt vulcanization forming device in the field of insulator forming technology. The device includes: a base, an upper mold base and a lower mold base on the base, the lower mold base being able to rise and fall on the base; a plate is provided inside the lower mold base, and a wing plate is provided on the plate; the wing plate can descend relative to the plate when the lower mold base is close to the upper mold base, and rise relative to the plate when the lower mold base is far from the upper mold base. This composite insulator skirt vulcanization forming device, through adjustment of the material rack, automatically delivers the formed insulator from between the upper and lower mold bases when the lower mold base descends, effectively unloading the insulators and eliminating the trouble of manual handling. When the lower mold base rises, it automatically feeds a new insulator core rod between the upper and lower mold bases, facilitating a new round of insulator skirt vulcanization forming operations and effectively loading the insulator core rod, thus improving insulator processing efficiency.

[0004] Based on the above cases and actual situations, we have identified the following problems: During actual production, due to the mold design, the molded insulators are usually left in the lower fixed mold during demolding. Demolding requires manually tapping both ends of the insulator core rod, or using a pre-set ejection structure in the fixed mold to eject the insulator. This manual operation is cumbersome. Even using an ejection structure to directly eject the insulator still requires manual handling to subsequent workstations, such as for trimming and painting, which is still quite troublesome. Even if the device in the above cases can demold, it still essentially requires manual handling of the demolded insulators to subsequent workstations, making the operation still quite cumbersome and requiring improvement. Summary of the Invention

[0005] The purpose of this invention is to provide an insulator forming device that, by setting up a linkage structure, a pallet structure, a conveyor belt, and a trimming assembly, directly drives the insulator to demold and trim during the separation process of the fixed mold and the moving mold, and sends it to the conveyor belt to be transported to the next station. This integrates demolding, trimming, and conveying, further improving the insulator production efficiency and reducing labor costs, thereby solving the above-mentioned problems of the prior art.

[0006] To achieve the above objectives, the present invention provides an insulator forming device, including a molding assembly. The molding assembly consists of a lower fixed mold and an upper movable mold. Demolding components are provided at both ends of the fixed mold for separating the insulator from the fixed mold. The demolding components include a linkage structure that cooperates with the movement of the movable mold, a support plate structure for supporting both ends of the insulator core rod, and a concave limiting frame. A conveyor belt is provided on the left side of the limiting frame for transporting the formed insulator to the next station. The linkage structure includes a rotating rod and a first transmission mechanism for driving the rotating rod to rotate. The transmission mechanism cooperates with the movement of the moving mold. The pallet structure consists of a locking block, a side plate fixedly connected to the corresponding locking block, and two left and right brackets hinged to the inside of the side plate from the outside to the inside. The locking block is slidably connected to the corresponding side limiting frame. The outer end of the locking block is locked in the middle of the corresponding side rotating rod and the two are slidably connected. The molding assembly has a trimming assembly on the left side between the front and rear limit frames, which is used to remove burrs on the outer surface of the insulator. The trimming assembly includes a trimming plate adapted to the size of the insulator and a toothed ring for driving the trimming plate to rotate and trim. The inner side of the clamping block is provided with a second transmission structure for driving the toothed ring to rotate. The limiting frame, in conjunction with the rotating rod, divides the movement of the pallet structure into three stages: upward demolding, horizontal leftward trimming, and downward conveying.

[0007] In this design, considering that in existing technologies, insulators, especially composite and porcelain insulators, are typically molded during molding, the molded insulators often remain in the fixed mold below during demolding due to mold design. Demolding requires manually tapping both ends of the insulator core rod or using a pre-set ejection structure in the fixed mold to eject the insulator, which is cumbersome. Even using an ejection structure to directly eject the insulator still requires manual transport to subsequent workstations, such as trimming and painting, which is still quite troublesome. Therefore, this invention, by setting up a linkage structure, a pallet structure, a conveyor belt, and a trimming component, directly drives the insulator demolding and trimming during the separation of the fixed and moving molds. After trimming, the insulator is directly sent to the conveyor belt for transport to the next workstation, integrating demolding, trimming, and transportation, thereby improving insulator production efficiency and reducing labor costs.

[0008] In the technical solution of the present invention, a base is fixed below the fixed mold, an mounting plate is provided above the moving mold, a hydraulic cylinder is fixed in the middle of the upper part of the mounting plate, the mounting plate is fixedly connected to the base near the four corners by fixedly connected limiting posts, the output shaft of the hydraulic cylinder passes through the mounting plate and is fixedly connected to the middle of the top surface of the moving mold, and the four limiting posts pass through the four corners of the moving mold and are slidably connected.

[0009] In this setting, the moving mold is controlled to move up and down by a hydraulic cylinder, and the movement of the moving mold is limited by a limit post.

[0010] In the technical solution of the present invention, two hinge seats are fixed on the base on the left side of the fixed mold. The bottom end of the rotating rod is rotatably connected to the hinge seat on the corresponding side. A sliding groove is provided in the middle of the rotating rod along the long side of the rotating rod. The outer end of the locking block is locked in the sliding groove on the corresponding side and the two are slidably connected.

[0011] In this setup, by setting a slide groove, when the rotating rod rotates counterclockwise to the left, the locking block, under the restriction of the limit frame, will first move upward, then horizontally to the left, and finally downward. It should be noted that the distance from the outer end of the slide groove to the bottom end of the rotating rod is greater than the maximum distance from the bottom end of the rotating rod to the bend of the limit frame, so as to avoid the slide groove being too short and blocking the movement of the locking block.

[0012] In the technical solution of the present invention, the first transmission structure includes a first gear and a first toothed plate meshing with the first gear. The two first gears are respectively rotatably mounted on the top of the two left limiting posts. The two first toothed plates are fixed on the top surface of the moving mold and located to the right of the left limiting posts. A pulley is provided on the outer side of the bottom end of the rotating rod. The pulley is coaxially fixedly connected to the rotating shaft at the bottom end of the rotating rod on the corresponding side. The pulley is connected to the first gear on the corresponding side through belt drive.

[0013] In this configuration, by setting a first toothed plate and a first gear, when the moving mold moves upward, the first toothed plate moves upward synchronously until it contacts the first gear. At this time, it drives the first gear to rotate counterclockwise, and through belt drive, it drives the pulley and rotating rod to rotate counterclockwise to the left synchronously.

[0014] In the technical solution of the present invention, the card block is a cuboid, and the card block is fixedly connected to the corresponding side plate by a connecting plate. The inner side wall of the connecting plate is symmetrically provided with oil storage cavities. A trigger block is slidably connected in the oil storage cavity. The outer end of the trigger block extends out of the corresponding side oil storage cavity. A pressure rod groove is provided in the middle of the inner side wall of the connecting plate. A connecting pipe is symmetrically provided at the inner end of the pressure rod groove to connect the upper and lower oil storage cavities. A pressure rod is slidably connected in the pressure rod groove. A return spring is sleeved on the rod wall of the pressure rod located in the pressure rod groove.

[0015] In this configuration, a trigger block is installed. When the trigger block is subjected to pressure and retracts, compressing the reset spring, the hydraulic oil in the oil storage chamber enters the pressure rod groove through the connecting pipe under pressure, pushing the pressure rod outward and squeezing both ends of the insulator core rod to fix it, thus preventing the insulator from rotating.

[0016] In the technical solution of the present invention, the limiting frame is provided with a card slot in the middle for the card block to pass through, and the upper and lower surfaces of the limiting frame are fixed with an outwardly extending extrusion plate on the inner side. The middle part of the extrusion plate is concave to allow the connecting plate to pass through. The width of the concave part is equal to the width of the connecting plate, and the horizontal position of the extrusion plate corresponds to the position of the trigger block.

[0017] In this configuration, by setting a pressing plate, when the block enters the horizontal section of the limit frame, the block continues to slide to the left until the trigger block on the connecting plate contacts the edge of the pressing plate, causing the trigger block to be compressed and retracted, thus compressing the reset spring.

[0018] In the technical solution of the present invention, the side plate is semi-circular, and a shaft is fixed at the top of the side plate near the left and right edges. The shaft wall is provided with an upward-facing baffle near the middle. The outer end of the bracket is provided with a shaft groove that matches the shaft. The shaft is snapped into the corresponding shaft groove and the two are rotatably connected. A retaining plate is provided near the top of the shaft groove wall. The retaining plate cooperates with the baffle to restrict the bracket from rotating downward. Torsion springs are provided on the front and rear sides of the shaft. The two ends of the torsion springs are fixed to the shaft wall and the shaft groove wall, respectively.

[0019] In this setup, by setting up a clamping plate and a baffle, when the insulator is demolded after being pressed and formed, the bracket can support both ends of the insulator core rod and drive the entire insulator to move. When the bracket is reset, it will flip upward under the obstruction of the insulator core rod and pull the torsion spring until it is no longer in contact with the insulator core rod. At this time, under the action of the torsion spring's restoring force, the bracket will be driven back to its initial position, waiting for the next demolding.

[0020] In the technical solution of the present invention, the second transmission structure includes two second gears symmetrically arranged on the left and right, a third gear coaxially fixed inside the second gears, and a second toothed plate fixed on the top surface of the upper extrusion plate. The outer wall of the connecting plate is provided with an arc groove near the inner end. An arc-shaped rod is provided between the left and right sides of the arc groove. Two connecting rods are slidably connected on the arc rod. A compression spring is sleeved on the outer wall of the arc rod between the two connecting rods. The top end of the connecting rod is rotatably connected to the shaft of the corresponding second gear. The second gear meshes with the second toothed plate, and the third gear meshes with the toothed ring.

[0021] In this configuration, by setting up a second gear and a third gear, when the support plate structure moves horizontally to the left, the insulator core rod moves to a position concentric with the toothed ring. At this time, the second gear just contacts the second toothed plate. As the insulator core rod continues to move to the left, the second gear rotates counterclockwise under the action of the second toothed plate and drives the third gear to rotate counterclockwise synchronously. At this time, the toothed ring will continue to rotate with the rotation of the third gear, thereby driving the trimming plate to rotate and clean the burrs on the edge of the insulator.

[0022] In the technical solution of the present invention, the toothed ring is provided with an arc-shaped support frame, the support frame is coaxially arranged with the toothed ring and the two are slidably connected, the upper and lower surfaces of the locking block groove are provided with limiting grooves, a push plate is slidably connected in the limiting groove, the push plate is fixedly connected to the support frame on the corresponding side, and the friction between the push plate and the limiting groove is greater than the maximum elastic force of the compression spring.

[0023] In this setup, by setting a push plate, the movement of the locking block pushes the push plate to move synchronously to the left, thereby driving the toothed ring and trimming plate to move synchronously to the left, ensuring that the support structure and trimming components slide synchronously.

[0024] In the technical solution of the present invention, the right end of the conveyor belt is located between the left vertical sections of the limiting frame.

[0025] In this setup, by using a conveyor belt, when the pallet structure moves down to above the conveyor belt, the insulator core rod will fall onto the conveyor belt and be transported to the subsequent work station.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In this invention, by setting up a linkage structure and a support plate structure, when demolding, the hydraulic cylinder is activated to move the mold, the first toothed plate moves up synchronously until it contacts the first gear and drives the first gear to rotate counterclockwise, and through belt transmission, it drives the pulley and the rotating rod to rotate counterclockwise to the left synchronously. Under the action of the vertical section on the right side of the limit frame, it drives the entire support plate structure to slide upward and causes the insulator core rod to separate from the fixed mold below.

[0027] 2. In this invention, by setting up a trimming assembly, when the support plate structure moves horizontally to the left until the insulator core rod moves to a position concentric with the toothed ring, the second gear just contacts the second toothed plate, and the locking block just contacts the push plate. Then, the locking plate pushes the push plate to move to the left synchronously, thereby driving the toothed ring and the trimming plate to move to the left synchronously. Under the action of the second toothed plate, the second gear rotates counterclockwise and drives the third gear to rotate counterclockwise synchronously. At this time, the toothed ring will continue to rotate with the rotation of the third gear, thereby driving the trimming plate to rotate and clean the burrs on the edge of the insulator.

[0028] 3. In this invention, by setting up a conveyor belt, when the pallet structure moves to the leftmost end of the limiting frame, the pallet structure moves downward under the combined action of the rotating rod and the limiting frame, causing the pallet structure to separate from the trimming assembly. At this time, the trigger block separates from the extrusion plate, and the insulator core rod is in a free state. When the pallet structure moves down to above the conveyor belt, the insulator core rod will fall onto the conveyor belt and be transported to the subsequent work station. This integrates demolding, trimming, and conveying, further improving the insulator production efficiency and reducing labor costs. Attached Figure Description

[0029] Figure 1This is a schematic diagram of the overall structure of the present invention; Figure 2 These are exploded views of the moving mold and the fixed mold of the present invention; Figure 3 This is a schematic diagram of the linkage structure and the tray structure in this invention; Figure 4 This is a schematic diagram of the pallet structure from another perspective in this invention; Figure 5 This is a cross-sectional view of the pallet structure in this invention; Figure 6 This is a cross-sectional view of the connection position between the second gear and the connecting plate in this invention; Figure 7 This is an exploded view of the side plate and bracket in this invention; Figure 8 For the present invention Figure 7 Enlarged view of point A in the middle; Figure 9 This is a schematic diagram of the pallet structure in the horizontal section of the limiting frame in this invention; Figure 10 For the present invention Figure 9 Enlarged view at point B in the middle; Figure 11 This is a schematic diagram of the limiting frame in this invention; Figure 12 This is an exploded view of the toothed ring and support frame in this invention; Explanation of reference numerals in the attached figures: 100. Compression molding assembly; 101. Base; 102. Fixed mold; 103. Moving mold; 104. Hydraulic cylinder; 105. Limiting post; 200. Demolding assembly; 210. Linkage structure; 211. Hinge seat; 212. Rotating rod; 2121. Slide groove; 213. Pulley; 214. First gear; 215. First toothed plate; 216. Belt; 220. Support plate structure; 221. Locking block; 222. Connecting plate; 2221. Pressure rod; 2222. Trigger block; 2223. Oil storage chamber; 2224. Connecting pipe; 2225. Return spring; 2226. Arc groove; 2227. Compression spring; 223. Side plate; 2231. Shaft; 2232. Torsion spring; 2233. Baffle; 224. Bracket; 2241. Locking plate; 225. Second gear; 226. Third gear; 230. Limiting frame; 231. Locking block groove; 232. Extrusion plate; 233. Second toothed plate; 234. Limiting groove; 300. Trimming assembly; 301. Trimming plate; 302. Toothed ring; 303. Support frame; 304. Push plate; 400. Conveyor belt. Detailed Implementation

[0030] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings, but it should be understood that the scope of protection of the present invention is not limited to the specific embodiments.

[0031] Unless otherwise expressly stated, throughout this specification, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0032] Reference Figures 1-12 As shown, this embodiment provides a technical solution: The insulator forming device of the present invention includes a molding assembly 100, which consists of a lower fixed mold 102 and an upper movable mold 103. In the molding of insulators, especially composite insulators and porcelain insulators, they are usually pressed by molds. During demolding, due to the mold design, the formed insulator usually remains in the lower fixed mold 102. When demolding, it is necessary to manually tap the two ends of the insulator core rod to demold, which is cumbersome.

[0033] The fixed mold 102 is provided with demolding components 200 at both ends to separate the insulator from the fixed mold 102. The demolding components 200 include a linkage structure 210 that cooperates with the movement of the moving mold 103, a support plate structure 220 for supporting the two ends of the insulator core rod, and a concave limiting frame 230. A conveyor belt 400 is provided on the left side of the limiting frame 230 to transport the formed insulator to the next station. The right end of the conveyor belt 400 is located between the vertical sections on the left side of the limiting frame 230.

[0034] The linkage structure 210 includes a rotating rod 212 and a first transmission mechanism for driving the rotating rod 212 to rotate. The transmission mechanism cooperates with the movement of the moving mold 103. The support plate structure 220 consists of, from the outside to the inside, a locking block 221, a side plate 223 fixedly connected to the corresponding locking block 221, and two left and right brackets 224 hinged to the inside of the side plate 223. The locking block 221 is slidably connected to the corresponding side limiting frame 230, and the outer end of the locking block 221 is locked in the middle of the corresponding side rotating rod 212 and the two are slidably connected. By setting the linkage structure 210 and the support plate structure 220, after the insulator is molded, the moving mold 103 moves upward. When the moving mold 103 moves to trigger the linkage structure 210, it will drive the rotating rod 212 to rotate counterclockwise to the left, which will drive the bracket 224 to move upward along the vertical section on the right side of the limiting frame 230, thereby separating the insulator from the fixed mold 102.

[0035] A trimming assembly 300 is located on the left side of the molding die assembly 100, between the front and rear limit frames 230. This trimming assembly 300 is used to remove burrs from the outer surface of the insulator. The trimming assembly 300 includes a trimming plate 301 adapted to the insulator size and a toothed ring 302 for driving the trimming plate 301 to rotate and trim. A second transmission structure is located inside the locking block 221 to drive the toothed ring 302 to rotate. As the moving die 103 continues to move upward, the rotating rod 212 drives the support plate structure 220 into the horizontal section of the limit frame 230. When the support plate structure 220 moves horizontally to the left and contacts the second transmission structure, it drives the toothed ring 302 to rotate, which in turn drives the trimming plate 301 to rotate and trim the outer surface of the insulator to remove burrs. It should be noted that the trimming plate 301 is equipped with a floating cutter head to ensure effective contact between the outer surface of the insulator and the cutter head, thereby enabling the cutter head to effectively remove burrs. The floating cutter head is a commonly used device for cutting, cleaning, and trimming operations, and is existing technology, so it will not be described in detail here.

[0036] The limit frame 230, together with the rotating rod 212, divides the movement of the pallet structure 220 into three stages: rising demolding, horizontal leftward trimming, and descending conveying, forming an integrated system, thereby improving the insulator production efficiency and reducing labor costs.

[0037] Please see Figures 1-2 As shown, a base 101 is fixed below the fixed mold 102, and a mounting plate is provided above the moving mold 103. A hydraulic cylinder 104 is fixed in the middle of the upper part of the mounting plate. The mounting plate is fixedly connected to the base 101 near the four corners by limiting posts 105. The output shaft of the hydraulic cylinder 104 passes through the mounting plate and is fixedly connected to the middle of the top surface of the moving mold 103. The four limiting posts 105 pass through the four corners of the moving mold 103 and are slidably connected. The hydraulic cylinder 104 controls the up and down movement of the moving mold 103, and the limiting posts 105 limit the movement of the moving mold 103.

[0038] Please see Figures 2-3 As shown, two hinge seats 211 are fixed on the base 101 on the left side of the fixed mold 102. The bottom end of the rotating rod 212 is rotatably connected to the corresponding side hinge seat 211. A sliding groove 2121 is provided in the middle of the rotating rod 212 along the long side direction of the rotating rod 212. The outer end of the locking block 221 is locked in the corresponding side sliding groove 2121 and the two are slidably connected.

[0039] By setting the slide groove 2121, when the rotating rod 212 rotates counterclockwise to the left, the locking block 221, under the restriction of the limiting frame 230, will first move upward, then move horizontally to the left, and finally move downward. It should be noted that the distance from the outer end of the slide groove 2121 to the bottom end of the rotating rod 212 is greater than the maximum distance from the bottom end of the rotating rod 212 to the bend of the limiting frame 230, so as to avoid the slide groove 2121 being too short to block the movement of the locking block 221.

[0040] Specifically, the first transmission structure includes a first gear 214 and a first toothed plate 215 meshing with the first gear 214. The two first gears 214 are rotatably mounted on the top of the two left-side limiting posts 105. The two first toothed plates 215 are fixed to the top surface of the moving mold 103 and located to the right of the left-side limiting post 105. A pulley 213 is provided on the outer side of the bottom end of the rotating rod 212. The pulley 213 is coaxially and fixedly connected to the rotating shaft at the bottom end of the corresponding side rotating rod 212. The pulley 213 is connected to the corresponding side first gear 214 through a belt 216.

[0041] By setting the first toothed plate 215 and the first gear 214, when the moving mold 103 moves upward, the first toothed plate 215 moves upward synchronously until it contacts the first gear 214. At this time, it drives the first gear 214 to rotate counterclockwise, and through the belt 216, it drives the pulley 213 and the rotating rod 212 to rotate counterclockwise to the left synchronously. It should be noted that when the moving mold 103 moves upward to the point where the first toothed plate 215 and the first gear 214 contact, the space between the moving mold 103 and the fixed mold 102 is larger than the size of the insulator, so as to avoid the insulator being unable to move to the left in the future.

[0042] Please see Figures 4-5 As shown, the locking block 221 is a cuboid to prevent rotation during sliding, which would cause the entire support structure 220 to rotate synchronously and prevent the support structure 220 from supporting the insulator. The locking block 221 is fixedly connected to the corresponding side plate 223 by a connecting plate 222. The connecting plate 222 is an integral structure composed of two inner and outer discs, with the outer disc having a larger diameter and the inner disc having a smaller diameter.

[0043] The inner wall of the connecting plate 222 is symmetrically provided with oil storage chambers 2223. A trigger block 2222 is slidably connected in the oil storage chamber 2223. The outer end of the trigger block 2222 extends out of the corresponding side oil storage chamber 2223. It should be noted that the trigger block 2222 and the oil storage chamber 2223 are both located on the outer circular part. A pressure rod groove is provided in the middle of the inner wall of the connecting plate 222. A connecting pipe 2224 is symmetrically provided in the inner end of the pressure rod groove to connect the upper and lower oil storage chambers 2223. A pressure rod 2221 is slidably connected in the pressure rod groove. A return spring 2225 is sleeved on the rod wall of the pressure rod 2221 located in the pressure rod groove.

[0044] When the trigger block 2222 is compressed and retracts under pressure, compressing the return spring 2225, the hydraulic oil in the oil reservoir 2223 enters the pressure rod groove through the connecting pipe 2224 under pressure, pushing the pressure rod 2221 outward, thereby squeezing both ends of the insulator core rod to fix it and prevent the insulator from rotating. After the pressure of the trigger block 2222 disappears, the restoring force of the return spring 2225 will push the pressure rod 2221 back, releasing the fixation of the insulator. At this time, the hydraulic oil will be squeezed back into the oil reservoir 2223 and push the trigger block 2222 out again.

[0045] Please see Figures 9-11 As shown, the limiting frame 230 has a locking slot 231 in the middle for the locking block 221 to pass through. An outwardly extending pressing plate 232 is fixed to the inner side of the upper and lower surfaces of the limiting frame 230. The middle part of the pressing plate 232 is concave to allow the connecting plate 222 to pass through. The width of the concave portion is equal to the width of the larger diameter disc of the connecting plate 222, and the horizontal position of the pressing plate 232 corresponds to the position of the trigger block 2222. It should be noted that the outer sidewall of the trigger block 2222 is a convex arc shape, and both ends of the concave portion of the pressing plate 232 have convex arc shapes, so that the trigger block 2222 can retract under pressure when it contacts the concave portion of the pressing plate 232.

[0046] When the locking block 221 enters the horizontal section of the limiting frame 230, the locking block 221 continues to slide to the left until the trigger block 2222 on the connecting plate 222 contacts the edge of the pressing plate 232, causing the trigger block 2222 to be compressed and retracted, compressing the reset spring 2225.

[0047] Please see Figures 7-8 As shown, the side plate 223 is semi-circular, and a shaft 2231 is fixed at the top of the side plate 223 near the left and right edges. The shaft 2231 has an upward-facing baffle 2233 near the middle of its wall. The outer end of the bracket 224 has a shaft groove that matches the shaft 2231. The shaft 2231 is engaged in the corresponding shaft groove and the two are rotatably connected.

[0048] Specifically, a retaining plate 2241 is provided near the top of the shaft groove wall. The retaining plate 2241, together with the baffle 2233, restricts the bracket 224 from rotating downward. Torsion springs 2232 are provided on the front and rear sides of the shaft 2231. The two ends of the torsion springs 2232 are fixed to the shaft wall and the shaft groove wall, respectively.

[0049] By setting the clamping plate 2241 and the baffle 2233, when the insulator is demolded after being pressed, the bracket 224 can support both ends of the insulator core rod and drive the entire insulator to move. During the pressing process, the insulator core rod is first placed in the fixed mold 102, and then the moving mold 103 presses down to drive the entire bracket structure 220 to reset. When the bracket 224 moves to contact the insulator core rod during the reset process, the bracket 224 will flip upward under the obstruction of the insulator core rod and pull the torsion spring 2232 until it no longer contacts the insulator core rod. At this time, under the action of the restoring force of the torsion spring 2232, the bracket 224 will be driven to return to the initial position and wait for the next demolding.

[0050] Please see Figure 4 , Figure 6 as well as Figures 9-11As shown, the second transmission structure includes two second gears 225 arranged symmetrically on the left and right, a third gear 226 coaxially fixed inside the second gears 225, and a second toothed plate 233 fixed on the top surface of the upper extrusion plate 232.

[0051] Additionally, the inner end of the outer wall of the connecting plate 222 is provided with an arc groove 2226. An arc-shaped rod is provided between the left and right sides of the groove 2226, and two connecting rods are slidably connected to the arc-shaped rod. A compression spring 2227 is sleeved on the outer wall of the arc-shaped rod between the two connecting rods. The top of the connecting rod is rotatably connected to the shaft of the corresponding second gear 225. The second gear 225 meshes with the second toothed plate 233, and the third gear 226 meshes with the toothed ring 302. It should be noted that the horizontal axes of the toothed ring 302, the connecting plate 222, and the insulator core rod are all on the same horizontal line during trimming. Furthermore, the toothed ring 302 is an arc-shaped structure with a notch, and the width of the notch is greater than the diameter of the insulator core rod.

[0052] By setting the arc groove 2226 and the compression spring 2227, when the support plate structure 220 moves horizontally to the left, the third gear 226 first contacts the gear ring 302. The third gear 226 cannot push the gear ring 302 laterally but rotates around the gear ring 302, simultaneously driving the gear ring 302 to rotate. During this process, the horizontal position of the insulator core rod is still within the gap range, until the insulator core rod moves to a position concentric with the gear ring 302. At this time, the second gear 225 just contacts the second toothed plate 233. For specific details, refer to [reference needed]. Figure 9 As the insulator core rod continues to move to the left, the second gear 225 rotates counterclockwise under the action of the second toothed plate 233 and drives the third gear 226 to rotate counterclockwise synchronously. At this time, the toothed ring 302 will continue to rotate with the rotation of the third gear 226, thereby driving the trimming plate 301 to rotate and clean the burrs on the edge of the insulator.

[0053] Please see Figure 12 As shown, the gear ring 302 has an arc-shaped support frame 303 inside. The support frame 303 is coaxially arranged with the gear ring 302 and the two are slidably connected. The upper and lower surfaces of the locking groove 231 are provided with limiting grooves 234. A push plate 304 is slidably connected in the limiting groove 234. The push plate 304 is fixedly connected to the corresponding side support frame 303 by a connector, and a gap is left on the pressing plate 232 for the connector to pass through. The friction between the push plate 304 and the limiting groove 234 is greater than the maximum elastic force of the compression spring 2227, which avoids directly driving the gear ring 302 to move to the left when the third gear 226 first contacts the gear ring 302, thus preventing the trimming from being achieved.

[0054] When the insulator core rod moves to the left along with the support plate structure 220 and is concentric with the toothed ring 302, the locking block 221 just contacts the push plate 304. As the locking block 221 continues to move, it will push the push plate 304 to move to the left in sync, thereby driving the toothed ring 302 and the trimming plate 301 to move to the left in sync. It should be noted that a magnetic block is provided between the left side wall of the locking block 221 and the right side wall of the push plate 304. During reset, the locking block 221 first moves up to the leftmost end of the horizontal section of the limiting frame 230. At this time, the locking block 221 and the push plate 304 will be connected under the action of the magnetic block. As the locking block 221 continues to move to the right, it will drive the entire trimming assembly 300 to move to the right and reset, until the push plate 304 moves to the rightmost end of the limiting groove 234 and is blocked, so that the trimming assembly 300 is completely reset and separated from the locking block 221.

[0055] The working principle of the insulator forming device in this invention is as follows: When the insulator is demolded after molding, the hydraulic cylinder 104 moves the mold 103, and the first toothed plate 215 moves up synchronously until it contacts the first gear 214, which drives the first gear 214 to rotate counterclockwise. Through the belt 216, the belt pulley 213 and the rotating rod 212 rotate counterclockwise to the left synchronously. Under the action of the vertical section on the right side of the limit frame 230, the entire support plate structure 220 slides upward, so that the insulator core rod is separated from the fixed mold 102 below. As the moving mold 103 continues to move upward, the rotating rod 212 continues to rotate counterclockwise, causing the pallet structure 220 to enter the horizontal section of the limiting frame 230. When the trigger block 2222 contacts the right edge of the extrusion plate 232, the trigger block 2222 is subjected to pressure and retracts, compressing the reset spring 2225. Under pressure, the hydraulic oil in the oil storage chamber 2223 enters the pressure rod groove through the connecting pipe 2224, pushing the pressure rod 2221 outward, thereby squeezing both ends of the insulator core rod to fix it. As the support plate structure 220 continues to move horizontally to the left until the third gear 226 contacts the toothed ring 302, and until the insulator core rod moves to a position concentric with the toothed ring 302, the second gear 225 just contacts the second toothed plate 233, and the locking block 221 just contacts the push plate 304. As the support plate structure 220 continues to move, it will push the push plate 304 to move to the left in sync, thereby driving the toothed ring 302 and the trimming plate 301 to move to the left in sync. Under the action of the second toothed plate 233, the second gear 225 rotates counterclockwise and drives the third gear 226 to rotate counterclockwise in sync. At this time, the toothed ring 302 will continue to rotate with the rotation of the third gear 226, thereby driving the trimming plate 301 to rotate and clean the burrs on the edge of the insulator. When the pallet structure 220 moves to the leftmost end of the limit frame 230, the notch of the toothed ring 302 is facing downwards. Under the combined action of the rotating rod 212 and the limit frame 230, the pallet structure 220 moves downwards, causing the pallet structure 220 to separate from the trimming assembly 300. At this time, the trigger block 2222 separates from the pressing plate 232, and the insulator core rod is in a free state. When the pallet structure 220 moves down to above the conveyor belt 400, the insulator core rod will fall onto the conveyor belt 400 and be transported to the subsequent work station. Reset process: After placing the insulator core rod in the fixed mold 102, the hydraulic cylinder 104 is started to drive the moving mold 103 to move down. Under the action of the linkage structure 210 and the limit frame 230, the locking block 221 first moves up to the leftmost end of the horizontal section of the limit frame 230. At this time, the locking block 221 and the push plate 304 will be connected under the action of the magnetic block. The locking block 221 continues to move to the right, which will drive the entire trimming assembly 300 to move to the right and reset until the push plate 304 moves to the rightmost end of the limit groove 234 and is blocked, so that the trimming assembly 300 is completely reset and separated from the locking block 221. Afterwards, the tray structure 220 re-enters the vertical section at the right end of the limiting frame 230. When the bracket 224 moves down to contact the insulator core rod, the bracket 224 will flip upward under the obstruction of the insulator core rod and pull the torsion spring 2232 until it no longer contacts the insulator core rod. At this time, under the action of the restoring force of the torsion spring 2232, the bracket 224 will be driven to return to the initial position, waiting for the next demolding, and so on.

[0056] The foregoing description of specific exemplary embodiments of the invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the invention, as well as various different choices and variations. The scope of the invention is intended to be defined by the specification and its equivalents.

Claims

1. A molding apparatus for an insulator, comprising a molding assembly, the molding assembly consisting of a lower fixed mold and an upper movable mold, characterized in that: The fixed mold is provided with demolding components at both ends to separate the insulator from the fixed mold. The demolding components include a linkage structure that works in conjunction with the movement of the moving mold, a support plate structure for supporting both ends of the insulator core rod, and a concave limiting frame. A conveyor belt is provided on the left side of the limiting frame to transport the formed insulator to the next station. The linkage structure includes a rotating rod and a first transmission mechanism for driving the rotating rod to rotate. The transmission mechanism cooperates with the movement of the moving mold. The pallet structure consists of a locking block, a side plate fixedly connected to the corresponding locking block, and two left and right brackets hinged to the inside of the side plate from the outside to the inside. The locking block is slidably connected to the corresponding side limiting frame. The outer end of the locking block is locked in the middle of the corresponding side rotating rod and the two are slidably connected. The molding assembly has a trimming assembly on the left side between the front and rear limit frames, which is used to remove burrs on the outer surface of the insulator. The trimming assembly includes a trimming plate adapted to the size of the insulator and a toothed ring for driving the trimming plate to rotate and trim. The inner side of the clamping block is provided with a second transmission structure for driving the toothed ring to rotate. The limiting frame, in conjunction with the rotating rod, divides the movement of the pallet structure into three stages: upward demolding, horizontal leftward trimming, and downward conveying.

2. The insulator forming apparatus as described in claim 1, characterized in that: A base is fixed below the fixed mold, and an mounting plate is provided above the moving mold. A hydraulic cylinder is fixed in the middle of the upper part of the mounting plate. The mounting plate is fixedly connected to the base near the four corners by fixed limiting posts. The output shaft of the hydraulic cylinder passes through the mounting plate and is fixedly connected to the middle of the top surface of the moving mold. The four limiting posts pass through the four corners of the moving mold and are slidably connected.

3. The insulator forming apparatus as described in claim 2, characterized in that: The base has two hinge seats fixed on the left side of the fixed mold. The bottom end of the rotating rod is rotatably connected to the hinge seat on the corresponding side. The middle part of the rotating rod is provided with a sliding groove along the long side of the rotating rod. The outer end of the locking block is locked in the sliding groove on the corresponding side and the two are slidably connected.

4. The insulator forming apparatus as described in claim 3, characterized in that: The first transmission structure includes a first gear and a first toothed plate meshing with the first gear. The two first gears are rotatably mounted on the top of the two left limiting posts. The two first toothed plates are fixed to the top surface of the moving mold and located to the right of the left limiting posts. A pulley is provided on the outer side of the bottom end of the rotating rod. The pulley is coaxially fixedly connected to the rotating shaft at the bottom end of the rotating rod on the corresponding side. The pulley is connected to the first gear on the corresponding side through belt drive.

5. The insulator forming apparatus as described in claim 4, characterized in that: The card block is a cuboid, and the card block is fixedly connected to the corresponding side plate by a connecting plate. The inner side wall of the connecting plate is symmetrically provided with oil storage chambers. A trigger block is slidably connected in the oil storage chamber. The outer end of the trigger block extends out of the corresponding side oil storage chamber. A pressure rod groove is provided in the middle of the inner side wall of the connecting plate. The pressure rod groove is symmetrically provided with connecting pipes at the inner end to connect the upper and lower oil storage chambers. A pressure rod is slidably connected in the pressure rod groove. A return spring is sleeved on the rod wall of the pressure rod located in the pressure rod groove.

6. The insulator forming apparatus as described in claim 5, characterized in that: The limiting frame has a locking slot in the middle for the locking block to pass through. The upper and lower surfaces of the limiting frame are fixed with an outwardly extending extrusion plate on the inner side. The middle part of the extrusion plate is concave to allow the connecting plate to pass through. The width of the concave part is equal to the width of the connecting plate, and the horizontal position of the extrusion plate corresponds to the position of the trigger block.

7. The insulator forming apparatus as described in claim 6, characterized in that: The side plate is semi-circular, and a shaft is fixed at the top of the side plate near the left and right edges. The shaft wall has an upward-facing baffle near the middle. The outer end of the bracket has a shaft groove that matches the shaft. The shaft is engaged in the corresponding shaft groove and the two are rotatably connected. The top of the shaft groove wall has a retaining plate. The retaining plate cooperates with the baffle to restrict the bracket from rotating downward. Torsion springs are provided on the front and rear sides of the shaft. The two ends of the torsion springs are fixed to the shaft wall and the shaft groove wall, respectively.

8. The insulator forming apparatus as described in claim 7, characterized in that: The second transmission structure includes two second gears symmetrically arranged on the left and right, a third gear coaxially fixed inside the second gears, and a second toothed plate fixed on the top surface of the upper extrusion plate. The outer wall of the connecting plate is provided with an arc groove near the inner end. An arc-shaped rod is provided between the left and right sides of the arc groove. Two connecting rods are slidably connected to the arc rod. A compression spring is sleeved on the outer wall of the arc rod between the two connecting rods. The top of the connecting rod is rotatably connected to the shaft of the corresponding second gear. The second gear meshes with the second toothed plate, and the third gear meshes with the toothed ring.

9. The insulator forming apparatus as described in claim 8, characterized in that: The toothed ring is provided with an arc-shaped support frame. The support frame is coaxially arranged with the toothed ring and the two are slidably connected. The upper and lower surfaces of the locking block groove are provided with limiting grooves. A push plate is slidably connected in the limiting groove. The push plate is fixedly connected to the support frame on the corresponding side. The friction between the push plate and the limiting groove is greater than the maximum elastic force of the compression spring.

10. The insulator forming apparatus as described in claim 1, characterized in that: The right end of the conveyor belt is located between the left vertical sections of the limiting frame.

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