Strip-shaped mold hoisting mechanism

Abstract

The utility model discloses a strip-shaped mold hoisting mechanism which is provided with a hoisting cross beam, telescopic hoisting arms are arranged at the bottoms of the two ends of the hoisting cross beam respectively, horizontal hoisting assemblies which oppositely stretch out and can support the two ends of a strip-shaped mold are arranged at the bottoms of the hoisting arms at the two ends, and each hoisting assembly comprises a bottom plate and supporting plates arranged on the two sides of the bottom plate. The front portion of the supporting plate is a supporting portion capable of extending to the front side of the bottom plate, the rear portion of the supporting plate is a mounting portion, the rear portion of the mounting portion is fixed to the bottom plate through a rotating shaft, the front portion of the mounting portion is provided with a rotation stopping pin, and the two sides of the bottom plate are correspondingly provided with a shaft hole and a first pin hole. The supporting parts of the supporting plates on the two sides can support the strip-shaped mold; the outer sides of the front portions of the supporting plates on the two sides are provided with limiting check blocks capable of preventing the strip-shaped mold from sliding outwards. By applying the hoisting mechanism disclosed by the utility model, the strip-shaped mold can be effectively prevented from slipping off and falling off in the hoisting process when being hoisted.

Description

Technical Field

[0001] This utility model relates to a strip mold hoisting mechanism. Background Technology

[0002] Chinese patent (application number CN202320705379.0) discloses a "strip mold lifting mechanism," the main contents of which are: a lifting beam, lifting arms vertically mounted at the bottom of both ends of the lifting beam, a lifting frame mounted on the top of the lifting beam with lifting wheels, and horizontal hooks extending in opposite directions mounted at the bottom of the lifting arms at both ends of the lifting beam, the hooks at the bottom of the lifting arms at both ends of the lifting beam being able to clamp the two ends of the strip mold; the lifting arms at the bottom of both ends of the lifting beam are telescopic lifting arms; the... The hanger includes a sliding connecting plate with a strip hole at the bottom and a shaft hole at the top. The left and right sides of the lifting beam are symmetrically equipped with second rotating shafts. The front and rear ends of the second rotating shafts are connected to the lower part of the sliding connecting plate by cooperating with the strip hole. The lifting wheel is equipped with a rotating shaft, and the front and rear ends of the rotating shaft are connected to the upper part of the sliding connecting plate by cooperating with the shaft hole. The sliding connecting plate on the left and right sides of the second rotating shaft can slide to the position where the lifting wheel is close to the top of the lifting beam.

[0003] The strip mold lifting mechanism with the above-described structure allows for the following steps when transporting the strip mold: First, the lifting wheels are suspended on the crane hooks. The crane is then controlled to bring the horizontal hooks, extending from the bottom of the lifting arms at both ends of the lifting beam, closer to the mold frame from one side until the horizontal hooks extend directly below both ends of the strip mold. The crane can then be controlled to transport the strip mold to a flat vulcanizing machine or other locations. Similarly, strip molds inside a flat vulcanizing machine can be transported to the mold frame. In this patented product, the lifting arms on both sides can fold inwards and extend / retract, and the lifting frame can be lowered. This results in a smaller footprint during storage and transportation. Furthermore, the entire patented product can be constructed of metal, providing high strength and resistance to damage.

[0004] Existing strip molds typically consist of an upper mold and a lower mold. The upper mold is usually attached to the lower mold when placed on a mold rack. When using strip molds to vulcanize rubber sealing strips, the lower mold is bolted to the lower heating plate of the flat vulcanizing machine, and the upper mold is bolted to the upper heating plate. When using the aforementioned hoisting mechanism to lift the mold, both the upper and lower molds can be simultaneously hoisted onto the lower heating plate of the flat vulcanizing machine. After the lower mold is bolted onto the lower heating plate, the upper mold must also be hoisted using the same mechanism. This is done manually by moving the upper mold from the lower mold onto the hoisting mechanism, and then using the hoisting mechanism to lift the upper mold below the upper heating plate, ensuring it is as close as possible to the bottom surface of the upper heating plate. The following problems exist when using the above-mentioned hoisting mechanism to hoist strip molds: During the hoisting process, the horizontal hooks extending from the bottom of the hoisting arm support the strip mold. Due to the lack of limiting measures for the horizontal hooks, slight shaking during the hoisting process may cause the strip mold to slip off the horizontal hooks, posing a certain degree of safety hazard; hoisting the upper mold increases the intensity of manual labor; and a large hoisting force is required to ensure that the upper mold fits as closely as possible to the bottom surface of the upper heating plate. Utility Model Content

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and propose a strip mold hoisting mechanism that can effectively prevent the strip mold from slipping out during hoisting.

[0006] To solve the above-mentioned technical problems, this utility model provides a strip mold hoisting mechanism, which has a hoisting beam. Telescopic hoisting arms are respectively installed at the bottom of both ends of the hoisting beam. Horizontal hoisting components extending in opposite directions to support both ends of the strip mold are installed at the bottom of the hoisting arms. A hanger is installed at the top of the hoisting beam. The hanger includes a hoisting wheel and sliding connecting plates with slotted holes on the lower parts of both sides of the hoisting wheel. The upper parts of the sliding connecting plates are rotatably mounted on the axles of the hoisting wheel, and the slotted holes at the lower parts contain rotating shafts that can slide within them. The rotating shafts on the sliding connecting plates are respectively equipped with… On opposite sides of the lifting beam, the lifting assembly includes a base plate and support plates mounted on both sides of the base plate. The front part of the support plate is a lifting part that can extend to the front side of the base plate, and the rear part is a mounting part. The rear part of the mounting part is fixed to the base plate by a rotating shaft, and the front part is equipped with an anti-rotation pin. The base plate has corresponding shaft holes and first pin holes on both sides. When the anti-rotation pins of the support plates on both sides of the base plate are inserted into the corresponding first pin holes, the lifting part of the support plates on both sides can support the strip mold. The outer front part of the support plates on both sides is respectively provided with a limiting block to prevent the strip mold from sliding outward.

[0007] The strip mold hoisting mechanism with the above structure has an upper mold fastened to the lower mold when the strip mold is transported. The two ends of the lower mold are supported by the lifting parts at the front of the support plates on both sides of the base plate, and the sides of the two ends of the lower mold are limited by the limiting blocks on the outer side of the front of the support plates, which can effectively prevent the strip mold from slipping out and falling off during the hoisting process.

[0008] As an improvement of this utility model, second pin holes are symmetrically provided on the outer side of the first pin holes on both sides of the base plate. When the anti-rotation pins of the support plates on both sides of the base plate are inserted into the corresponding second pin holes, the lifting parts of the support plates on both sides can support the ear plates on the outer side of the two ends of the upper mold in the strip mold. When the anti-rotation pins are pulled out from the second pin holes, the support plates on both sides can rotate outwards to the position where the lifting parts are separated from the ear plates.

[0009] By further adopting the above-mentioned technical features, when hoisting the upper mold on the flat vulcanizing machine, the anti-rotation pin can be pulled out from the first pin hole, the support plate can be rotated outward by an angle D, and then the anti-rotation pin can be inserted into the second pin hole. Then, the lifting part of the support plate can support the ear plates on both sides of the upper mold end, thereby lifting the upper mold. There is no need to manually slide the upper mold out and move it to the support plate of the hoisting mechanism, which greatly reduces the labor intensity of workers and improves the installation efficiency.

[0010] As a further improvement of this utility model, mounting grooves are machined on both sides of the base plate, and the first and second pin holes and the shaft hole are all located in the mounting grooves. The rotating shaft at the rear of the mounting part is fixed in the shaft hole, and the support plate can rotate outward in the mounting groove.

[0011] By further adopting the above-mentioned technical features, the structure of the base plate and the pallet mounted thereon of this utility model becomes more compact.

[0012] As a further improvement of this utility model, it also includes an upper crossbeam located above the lifting crossbeam. The rotating shaft in the lower strip hole of the sliding connecting plate on both sides is installed on the opposite sides of the upper crossbeam. The threaded screw at the top passes through the lifting crossbeam and the upper crossbeam in sequence from bottom to top and is fitted with a buffer spring. Washers and locking nuts are installed in sequence on the screw above the buffer spring.

[0013] By further adopting the above-mentioned technical features, when hoisting the upper mold, due to the buffer spring, the elastic force of the buffer spring is continuously applied to the upper mold through the hoisting support plate, so that the upper mold and the bottom surface of the upper heating plate remain in a tight fit. During the installation of bolts, there will be no relative slippage between the upper mold and the upper heating plate. After applying this utility model, it is not necessary to apply a large hoisting force to achieve a tight fit between the upper mold and the upper heating plate, which will not cause overload damage to the hoisting wire rope, damage to the upper heating plate, or damage to the installation foundation of the flat vulcanizing machine. Attached Figure Description

[0014] The present invention will now be described in further detail with reference to the accompanying drawings.

[0015] Figure 1This is a front view structural schematic diagram of a strip mold hoisting mechanism according to this utility model.

[0016] Figure 2 yes Figure 1 A magnified schematic diagram of the side view partial section.

[0017] Figure 3 yes Figure 2 The K-direction view shows the anti-rotation pin inserted into the corresponding first pin hole.

[0018] Figure 4 After removing the side panels Figure 3 .

[0019] Figure 5 yes Figure 4 A schematic diagram of the side view partial section structure.

[0020] Figure 6 yes Figure 3 A schematic diagram of the center support plate.

[0021] Figure 7 yes Figure 6 A side view structural diagram.

[0022] Figure 8 yes Figure 2 The K-direction view shows the anti-rotation pin inserted into the corresponding second pin hole.

[0023] Figure 9 yes Figure 2 In the K-direction view, the trays on both sides rotate outwards, and the supporting part of the trays is disengaged from the position of the upper mold lug plate.

[0024] Figure 10 This is a schematic diagram of the structural state when the two side support plates of the hoisting assembly support the lower mold of the strip mold.

[0025] Figure 11 This is a schematic diagram of the structural state when the two side support plates of the hoisting assembly support the upper mold of the strip mold.

[0026] Figure 12 This is a schematic diagram of the structure of a strip mold hoisting mechanism in the folded and retracted state according to this utility model. Detailed Implementation

[0027] First see Figure 10 , Figure 11 , Figure 10 This is a schematic diagram of the structural state when the two side support plates of the hoisting assembly support the lower mold 1 of the strip mold. Figure 11 This is a schematic diagram of the structural state when the two side support plates of the hoisting assembly support the upper mold 2 of the strip mold. When using this utility model to hoist the strip mold, ear plates 3 should be fixed on the outer sides of both ends of the upper mold.

[0028] See also Figure 1 - Figure 7This utility model discloses a strip mold hoisting mechanism, comprising a hoisting beam 100, with telescopic hoisting arms 200 mounted at the bottom of each end of the beam. At the bottom of each hoisting arm are horizontal hoisting components 210 extending in opposite directions to support the ends of the strip mold. A hanger 300 is mounted on the top of the beam, including a hoisting wheel 301 and sliding connecting plates 302 with slotted holes 303 on the lower parts of both sides of the hoisting wheel. The upper parts of the sliding connecting plates are rotatably mounted on the axles 304 of the hoisting wheel, and the slotted holes at the lower parts contain sliding shafts 305. The shafts on the sliding connecting plates are respectively mounted on the hoisting... The crossbeam has the following characteristics: the hoisting assembly 210 includes a base plate 10 and support plates 20 mounted on both sides of the base plate. The front part of the support plate is a lifting part 21 that can extend to the front side of the base plate, and the rear part is a mounting part 22. The rear part of the mounting part is fixed to the base plate by a rotating shaft 23, and the front part is equipped with an anti-rotation pin 24. The base plate has corresponding shaft holes 25 and first pin holes 26 on both sides. When the anti-rotation pins of the support plates on both sides of the base plate are inserted into the corresponding first pin holes, the lifting part 21 of the support plates on both sides can support the strip mold. The front outer side of the support plates on both sides is respectively provided with a limiting block 27 to prevent the strip mold from sliding outward. Symmetrically arranged second pin holes 28 are provided on the outer sides of the first pin holes 26 on both sides of the base plate. When the anti-rotation pins 24 of the support plates on both sides of the base plate are inserted into the corresponding second pin holes, the lifting parts 21 of the support plates on both sides can support the ear plates on the outer sides of the upper mold ends in the strip mold. After the anti-rotation pins are pulled out from the second pin holes, the support plates on both sides can rotate outwards to the position where the lifting parts are separated from the ear plates. The base plate 10 has mounting grooves 11 machined on both sides. The first and second pin holes and the shaft hole are all located in the mounting groove. The through-rotation shaft 23 at the rear of the mounting part is fixed in the shaft hole. The support plate can rotate outwards in the mounting groove. It also includes an upper crossbeam 110 located above the lifting crossbeam 100. A rotating shaft 305, located in the lower slot of the sliding connecting plates on both sides, is mounted on opposite sides of the upper crossbeam 110. A threaded screw 101 passes sequentially from bottom to top through the lifting crossbeam and the upper crossbeam, and is fitted with a buffer spring 102. A washer 103 and a locking nut 104 are sequentially mounted on the screw above the buffer spring. The telescopic lifting arm 200 includes an outer cylinder 220 and an inner cylinder 230 housed within the outer cylinder. Corresponding inner pin holes 231 and outer pin holes 221 are respectively provided on the walls of the inner and outer cylinders. At least one pair of corresponding inner and outer pin holes contains a positioning pin 222. Vertical mounting plates 30 are welded to opposite sides of the bottom of the inner cylinder. The rear end of the bottom plate 10 in the lifting assembly 210 is welded and fixed to the inner cylinder and the vertical mounting plates on both sides of the inner cylinder. The bottom of each end of the hoisting beam is vertically mounted with a connecting cylinder 201. The front and rear sides of the connecting cylinder are hinged with connecting plates 203 through a first rotating shaft 202. The upper part of the outer cylinder 220 is fixedly connected to the connecting plates on the front and rear sides of the connecting cylinder.The bottom of the lifting beam located outside the connecting cylinder 201 is equipped with limiting baffles 204 extending below the connecting plate 203. A reinforcing rib 205 connects the outer wall of the limiting baffle 204 to the bottom of the lifting beam. The connecting cylinder 201, outer cylinder 220, and inner cylinder 230 are all rectangular tubes. This invention employs a telescopic lifting arm structure, which facilitates the handling of strip molds of different heights within the mold frame. The lifting arms on both sides can be folded inwards, and the lifting frame can be lowered, reducing the space required for storage and transportation. The limiting baffles prevent the lifting arms from shifting outwards, improving the stability of the lifting and handling process.

[0029] See also Figure 8 , Figure 11 , Figure 8 yes Figure 2 In the K-direction view, the anti-rotation pin is inserted into the corresponding second pin hole. At this time, the support plates on both sides rotate outward by an angle D. After the anti-rotation pin is inserted into the second pin hole, it can be used to support the upper mold. The supporting part 21 at the front of the support plate can just support the ear plate at the end of the upper mold.

[0030] See also Figure 9 , Figure 9 yes Figure 2 In the K-direction view, the trays on both sides continue to rotate outwards, at which point the supporting part of the tray can disengage from the position of the upper mold lug plate.

[0031] See last. Figure 12 , Figure 12 The diagram shows the state of the strip mold hoisting mechanism when it is folded and retracted. The inner cylinder retracts into the outer cylinder, the outer cylinder folds inward, and the hoisting frame falls onto the upper crossbeam.

[0032] It is understood that the above specific description of the present utility model is only used to illustrate the present utility model and is not limited to the technical solutions described in the embodiments of the present utility model. Any modifications or equivalent substitutions to the present utility model to achieve the same technical effect are within the protection scope of the present utility model.

Claims

1. A strip mold hoisting mechanism, comprising a hoisting beam (100), telescopic hoisting arms (200) mounted at the bottom of both ends of the hoisting beam, horizontal hoisting components (210) extending in opposite directions to support the ends of the strip mold mounted at the bottom of the hoisting arms, a hanger (300) mounted on the top of the hoisting beam, the hanger including a hoisting wheel (301) and sliding connecting plates (302) with strip-shaped holes (303) on the lower parts of the sides of the hoisting wheel, the upper parts of the sliding connecting plates being rotatably mounted on the axle (304) of the hoisting wheel, and a rotating shaft (305) sliding therein being installed in the strip-shaped hole at the lower part, the rotating shafts on the sliding connecting plates being respectively mounted on opposite sides of the hoisting beam, characterized in that: The hoisting assembly (210) includes a base plate (10) and support plates (20) mounted on both sides of the base plate. The front part of the support plate is a lifting part (21) that can extend to the front side of the base plate, and the rear part is a mounting part (22). The rear part of the mounting part is fixed to the base plate by a rotating shaft (23), and the front part is equipped with an anti-rotation pin (24). The base plate has corresponding shaft holes (25) and first pin holes (26) on both sides. When the anti-rotation pins of the support plates on both sides of the base plate are inserted into the corresponding first pin holes, the lifting part (21) of the support plates on both sides can support the strip mold. The front outer side of the support plates on both sides is respectively provided with a limiting block (27) to prevent the strip mold from sliding outward.

2. The strip die hoisting mechanism according to claim 1, characterized by: The outer sides of the first pin holes (26) on both sides of the base plate are also symmetrically provided with second pin holes (28). When the anti-rotation pins (24) of the support plates on both sides of the base plate are inserted into the corresponding second pin holes, the lifting parts (21) of the support plates on both sides can support the ear plates on both sides of the upper mold in the strip mold. When the anti-rotation pins are pulled out from the second pin holes, the support plates on both sides can rotate outward to the position where the lifting parts are separated from the ear plates.

3. The strip die hoisting mechanism according to claim 2, wherein: The base plate (10) has mounting grooves (11) on both sides. The first and second pin holes and the shaft hole are all located in the mounting groove. The rotating shaft (23) at the rear of the mounting part is fixed in the shaft hole. The support plate can rotate outward in the mounting groove.

4. A strip die hoisting mechanism according to any one of claims 1 to 3, characterized in that: It also includes an upper crossbeam (110) located above the lifting crossbeam (100), with a rotating shaft (305) in the lower slot of the sliding connecting plate on both sides installed on opposite sides of the upper crossbeam (110). A threaded screw (101) passes through the lifting crossbeam and the upper crossbeam from bottom to top and is fitted with a buffer spring (102). A washer (103) and a locking nut (104) are installed on the screw above the buffer spring.

5. A strip die hoisting mechanism according to any one of claims 1 to 3, wherein: The telescopic lifting arm (200) includes an outer cylinder (220) and an inner cylinder (230) installed inside the outer cylinder. Corresponding inner pin holes (231) and outer pin holes (221) are respectively provided on the cylinder walls of the inner cylinder and the outer cylinder. At least one pair of corresponding inner pin holes and outer pin holes are inserted with positioning pins (222). Vertical mounting plates (30) are welded to the opposite sides of the bottom of the inner cylinder. The rear end of the bottom plate (10) of the lifting assembly (210) is welded and fixed to the inner cylinder and the vertical mounting plates on both sides of the inner cylinder.

6. The strip die hoisting mechanism of claim 5, wherein: The bottom of each end of the hoisting beam is vertically mounted with a connecting cylinder (201). The front and rear sides of the connecting cylinder are hinged with connecting plates (203) through the first rotating shaft (202). The upper part of the outer cylinder (220) is fixedly connected to the connecting plates on the front and rear sides of the connecting cylinder.

7. The strip die hoisting mechanism of claim 6, wherein: The bottom of the hoisting crossbeam located outside the connecting cylinder (201) is equipped with a limiting baffle (204) extending below the connecting plate (203).

8. The strip die hoisting mechanism of claim 7, wherein: A reinforcing rib (205) is connected between the outer baffle wall of the limiting baffle (204) and the bottom of the hoisting beam.

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