Safe hoisting structure for large mold

By designing adjustable spreader and servo motor drive gear, the problem of unbalanced force of the hook in mold lifting is solved, the safety and adaptability of the mold lifting is achieved, and the service life of the steel rope is extended through anti-rust measures.

CN222225723UActive Publication Date: 2024-12-24ZHAOQING XINXING MOULD MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420824379.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2024-12-24
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

In the existing mold lifting technology, the center of gravity is prone to imbalance in the mold during lifting, resulting in low safety factor, and the spreader cannot adjust the angle of the boom, resulting in uneven force of the hook and being unable to adapt to molds of different sizes.

Method used

A large mold safety hoisting structure is designed, using adjustable spreader and servo motor. The tooth meshing transmission of the driving gears and tooth plates can be adjusted to the opening angle of the crane, and the winding wheel and brush are retracted through the steel rope. The guide roller prevents steel rope from rusting, ensuring balanced lifting of the hook and the adaptability of molds of different sizes.

Benefits of technology

It realizes the force balance of the hook during mold lifting, improves safety, and can adapt to molds of different sizes, extends the service life of the steel rope, and avoids rust problems.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222225723U_ABST
    Figure CN222225723U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of safe hoisting of molds, in particular to a safe hoisting structure of a large mold, which comprises a hoisting component, a rotating shaft end part of a driving gear is fixedly connected between two side plates of the hoisting component, teeth of the driving gear are meshed with teeth of a transmission fluted disc, and a rotating shaft end part of the transmission fluted disc is fixed between the two side plates of the hoisting component; the safe hoisting structure has the beneficial effects that the hoisting rope is tied on the surface of the hoisting hook, so that the hoisting rope is pulled by the hoisting hook to hoist a mold, the end part of the rotating rod of the hoisting hook is fixed in the opening of the adjustable hoisting tool, and the adjustable hoisting tool is fixed on the surface of the transmission fluted disc through the fixing bolt; when tooth pressure of the transmission fluted disc is meshed with teeth of the driving gear and the driving gear drives the transmission fluted disc to rotate in the hoisting assembly, the opening angle of the adjustable hoisting tool can be changed to enable the adjustable hoisting tool to be stressed uniformly, so that molds with different sizes can be hoisted by changing the hoisting position of the hoisting hook, and the hoisting safety is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of safe hoisting of moulds, in particular to a safe hoisting structure for large moulds. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods.

[0003] However, in the existing technology, it has always been a difficult problem to ensure the balanced lifting of the mold during the lifting process. The traditional lifting process will cause the center of gravity to be unbalanced, resulting in the tilting of the mold during lifting. The safety factor is low, and molds of different sizes will appear after the processing is completed. The existing lifting equipment does not have the function of adjusting the lifting arm, so the force on the hook is different when lifting the mold.

[0004] Therefore, we need a large-scale mold safety lifting structure to solve the problem of balanced force on the hook when lifting the existing mold, and also to adjust the opening angle of the boom to achieve balanced force on the hook. Utility Model Content

[0005] The purpose of the utility model is to provide a safe hoisting structure for large molds, so as to solve the problem of balanced force on the hook when hoisting the mold in the prior art mentioned in the above background technology, and also to adjust the opening angle of the boom to achieve balanced force on the hook.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large mold safe lifting structure, including a lifting assembly, the end of the rotating shaft of the driving gear is fixedly connected between the two side plates of the lifting assembly, the teeth of the driving gear mesh with the teeth of the transmission gear plate, the end of the rotating shaft of the transmission gear plate is fixed between the two side plates of the lifting assembly, a gear plate mounting groove is provided inside the adjustable hanger, the surface of the gear plate mounting groove is sleeved on the surface of the transmission gear plate, the adjustable hanger is fixed to the surface of the transmission gear plate by fixing bolts, and the inner surface of the bottom opening of the adjustable hanger is fixedly connected to the end of the rotating rod of the hook.

[0007] Preferably, the surface of the hoisting assembly is fixedly connected to the base of the first servo motor, the end of the power output shaft of the first servo motor is fixedly connected to the end of the rotating shaft of the driving gear, and the first servo motor has a locking function.

[0008] Preferably, the number of the adjustable hangers is two, and the two adjustable hangers are symmetrically arranged along the center point of the lifting assembly.

[0009] Preferably, the surface of the lifting assembly is fixedly connected to the steel wire rope of the steel rope winding wheel, the end of the rotating shaft of the steel rope winding wheel is fixedly connected between the two side plates of the support frame, the bottom surface of the support frame is fixed to the top surface of the boom body, the end of the rotating shaft of the steel rope winding wheel is fixedly connected to the end of the power output shaft of the second servo motor, the base of the second servo motor is fixedly connected to the surface of the support frame, and the second servo motor has a locking function.

[0010] Preferably, the surface of the wire rope of the wire rope winding wheel fits the surface of the brush guide roller, the end of the rotating shaft of the brush guide roller is fixed between the two side plates of the anti-rust oil storage tank, and the bottom surface of the anti-rust oil storage tank is fixed to the top surface of the boom body.

[0011] Preferably, an auxiliary roller groove is provided at the end of the boom body, the inner surface of the auxiliary roller groove is fixedly connected to the end of the rotating shaft of the auxiliary guide roller, and the surface of the auxiliary guide roller is wound with a steel wire rope of a steel rope winding wheel.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by tying the lifting rope to the surface of the lifting hook, the mold is lifted by pulling the lifting rope through the lifting hook, the end of the rotating rod of the lifting hook is fixed in the opening of the adjustable lifting device, and the adjustable lifting device is fixed to the surface of the transmission gear plate by the fixing bolts. When the teeth of the transmission gear plate are pressed into engagement with the teeth of the driving gear, and when the driving gear drives the transmission gear plate to rotate inside the lifting assembly, the opening angle of the adjustable lifting device can be changed to balance the force. Therefore, by changing the lifting position of the lifting hook, molds of different sizes can be lifted, thereby improving the safety during lifting. It further solves the problem of balanced force of the lifting hook when lifting the mold in the prior art, and can also adjust the opening angle of the lifting arm to achieve balanced force on the hook. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of the structural hoisting assembly of the utility model;

[0015] Figure 3 It is a three-dimensional schematic diagram of the position relationship between the brush guide roller and the anti-rust oil storage tank.

[0016] In the figure: boom body 1, driving gear 2, brush guide roller 3, anti-rust oil storage tank 4, auxiliary roller groove 5, auxiliary guide roller 6, lifting assembly 7, adjustable hanger 8, first servo motor 9, hook 10, support frame 11, steel rope winding wheel 12, second servo motor 13, gear disc mounting groove 14, transmission gear disc 15, fixing bolt 16. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Embodiment 1

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a large mold safety lifting structure, including a lifting assembly 7, the end of the rotating shaft of the driving gear 2 is fixedly connected between the two side plates of the lifting assembly 7, the teeth of the driving gear 2 mesh with the teeth of the transmission gear plate 15, the end of the rotating shaft of the transmission gear plate 15 is fixed between the two side plates of the lifting assembly 7, the inside of the adjustable hanger 8 is provided with a gear plate mounting groove 14, the surface of the gear plate mounting groove 14 is sleeved on the surface of the transmission gear plate 15, the adjustable hanger 8 is fixed to the surface of the transmission gear plate 15 by a fixing bolt 16, and the inner surface of the bottom opening of the adjustable hanger 8 is fixedly connected to the rotating rod end of the hook 10 By tying a lifting rope to the surface of the lifting hook 10, the mold is lifted by pulling the lifting rope through the lifting hook 10, and the end of the rotating rod of the lifting hook 10 is fixed in the opening of the adjustable lifting device 8, and the adjustable lifting device 8 is fixed to the surface of the transmission gear plate 15 through the fixing bolts 16. When the teeth of the transmission gear plate 15 are pressed into engagement with the teeth of the driving gear 2, when the driving gear 2 drives the transmission gear plate 15 to rotate inside the lifting component 7, the opening angle of the adjustable lifting device 8 can be changed to balance the force. Therefore, by changing the lifting position of the lifting hook 10, molds of different sizes can be lifted, thereby improving the safety during lifting.

[0020] Embodiment 2

[0021] Refer to the attached Figures 1 to 3 On the basis of the first embodiment, in order to achieve the same force on the hook 10 when hoisting the mold, the surface of the hoisting assembly 7 is fixedly connected to the base of the first servo motor 9, the end of the power output shaft of the first servo motor 9 is fixedly connected to the end of the rotating shaft of the driving gear 2, and the first servo motor 9 has a locking function;

[0022] By starting the first servo motor 9, the driving gear 2 engages with the transmission gear plate 15 to rotate inside the hoisting assembly 7. When it is necessary to hoist molds of different sizes, the opening angle of the adjustable hoist 8 is changed, so that the force on the hook 10 can be the same when hoisting the molds.

[0023] Embodiment 3

[0024] Refer to the attached Figures 1 to 3On the basis of the second embodiment, in order to realize the lifting effect of the mold by lifting the hoisting assembly 7 through the hook 10, the surface of the hoisting assembly 7 is fixedly connected to the steel wire rope of the steel wire rope winding wheel 12, the end of the rotating shaft of the steel wire rope winding wheel 12 is fixedly connected between the two side plates of the support frame 11, the bottom surface of the support frame 11 is fixed to the top surface of the boom body 1, the end of the rotating shaft of the steel wire rope winding wheel 12 is fixedly connected to the end of the power output shaft of the second servo motor 13, the base of the second servo motor 13 is fixedly connected to the surface of the support frame 11, and the second servo motor 13 has a locking function;

[0025] By fixing the steel wire rope of the steel wire winding wheel 12 on the surface of the hoisting component 7, when the steel wire winding wheel 12 is started, the steel wire rope on its surface is wound, so that the hoisting component 7 is lifted and the mold is hoisted through the hook 10.

[0026] Embodiment 4

[0027] See attached Figures 1 to 3 On the basis of the third embodiment, in order to prevent the steel wire rope of the steel wire rope winding wheel 12 from being rusted during long-term use and breaking during the hoisting process, the surface of the steel wire rope of the steel wire rope winding wheel 12 is in contact with the surface of the brush guide roller 3, and the end of the rotating shaft of the brush guide roller 3 is fixed between the two side plates of the anti-rust oil storage tank 4, and the bottom surface of the anti-rust oil storage tank 4 is fixed to the top surface of the boom body 1;

[0028] By making the surface of the wire rope of the wire rope reel 12 fit against the surface of the brush guide roller 3, when the wire rope reel 12 reels the wire rope, the brush guide roller 3 is driven to rotate inside the anti-rust oil storage tank 4 under the action of friction force. Therefore, during the process of the wire rope reel 12 reeling the wire rope, the surface of the wire rope is evenly coated with anti-rust oil through the brush guide roller 3 to prevent the wire rope of the wire rope reel 12 from rusting due to long-term use and breaking during the lifting process.

[0029] In actual use, by tying the lifting rope to the surface of the hook 10, the mold is lifted by pulling the lifting rope through the hook 10, and the end of the rotating rod of the hook 10 is fixed in the opening of the adjustable hanger 8, and the adjustable hanger 8 is fixed to the surface of the transmission gear plate 15 through the fixing bolt 16. When the teeth of the transmission gear plate 15 are pressed to mesh with the teeth of the driving gear 2, when the driving gear 2 drives the transmission gear plate 15 to rotate inside the lifting component 7, the opening angle of the adjustable hanger 8 can be changed to balance the force. Therefore, by changing the lifting position of the hook 10, molds of different sizes can be lifted, thereby improving the safety during lifting. By starting the first servo motor 9, the driving gear 2 is engaged with the transmission gear plate 15 to rotate inside the lifting component 7. When it is necessary to lift molds of different sizes, change The opening angle of the adjustable hoist 8 can ensure that the force on the hook 10 is the same when the mold is hoisted. The wire rope of the wire rope reel 12 is fixed to the surface of the hoisting component 7, and the wire rope on its surface is reeled when the wire rope reel 12 is started, so that the hoisting component 7 is lifted and the hoisting effect of the mold is achieved through the hook 10. The wire rope surface of the wire rope reel 12 is fitted to the surface of the brush guide roller 3. When the wire rope reel 12 reels the wire rope, the brush guide roller 3 is driven to rotate inside the anti-rust oil storage tank 4 under the action of friction. Therefore, during the process of the wire rope reel 12 reeling the wire rope, the brush guide roller 3 is evenly coated with anti-rust oil on its surface to prevent the wire rope of the wire rope reel 12 from rusting due to long-term use and breaking during the hoisting process.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large mold safety hoisting structure, including a hoisting assembly (7), characterized in that: The end of the rotating shaft of the driving gear (2) is fixedly connected between the two side plates of the lifting assembly (7), the teeth of the driving gear (2) mesh with the teeth of the transmission gear plate (15), the end of the rotating shaft of the transmission gear plate (15) is fixed between the two side plates of the lifting assembly (7), a gear plate mounting groove (14) is provided inside the adjustable lifting device (8), the surface of the gear plate mounting groove (14) is sleeved on the surface of the transmission gear plate (15), the adjustable lifting device (8) is fixed to the surface of the transmission gear plate (15) by means of fixing bolts (16), and the inner surface of the bottom opening of the adjustable lifting device (8) is fixedly connected to the end of the rotating rod of the lifting hook (10).

2. The large mold safety hoisting structure according to claim 1 is characterized in that: The surface of the hoisting assembly (7) is fixedly connected to the base of the first servo motor (9), the end of the power output shaft of the first servo motor (9) is fixedly connected to the end of the rotating shaft of the driving gear (2), and the first servo motor (9) has a locking function.

3. The large mold safety hoisting structure according to claim 1 is characterized in that: The number of the adjustable hangers (8) is two, and the two adjustable hangers (8) are symmetrically arranged along the center point of the hanging assembly (7).

4. The large mold safety hoisting structure according to claim 1 is characterized in that: The surface of the hoisting assembly (7) is fixedly connected to the steel wire rope of the steel wire rope winding wheel (12); the end of the rotating shaft of the steel wire rope winding wheel (12) is fixedly connected between the two side plates of the support frame (11); the bottom surface of the support frame (11) is fixed to the top surface of the boom body (1); the end of the rotating shaft of the steel wire rope winding wheel (12) is fixedly connected to the end of the power output shaft of the second servo motor (13); the base of the second servo motor (13) is fixedly connected to the surface of the support frame (11); and the second servo motor (13) has a locking function.

5. The large mold safety hoisting structure according to claim 4 is characterized in that: The surface of the steel wire rope of the steel wire winding wheel (12) fits the surface of the brush guide roller (3), the end of the rotating shaft of the brush guide roller (3) is fixedly connected between the two side plates of the anti-rust oil storage tank (4), and the bottom surface of the anti-rust oil storage tank (4) is fixed to the top surface of the boom body (1).

6. The large mold safety hoisting structure according to claim 5 is characterized in that: An auxiliary roller groove (5) is provided at the end of the boom body (1); the inner surface of the auxiliary roller groove (5) is fixedly connected to the end of the rotating shaft of the auxiliary guide roller (6); and the surface of the auxiliary guide roller (6) is wound with a steel wire rope of a steel rope winding wheel (12).