Elevator counterweight block trimming device

By designing an elevator counterweight dressing device with a floating connecting rod and diamond alloy blades, the problem of not being able to grind both sides of a workpiece simultaneously in existing technologies has been solved, achieving efficient and precise dressing results, extending the service life of the equipment and improving surface quality.

CN223558029UActive Publication Date: 2025-11-18XUANCHENG VALIN PRECISION TECH
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Patent Information

Application Number
CN202422485355.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-11-18
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing technology cannot simultaneously deburr and smooth the front and back of a workpiece, and prolonged pressure can damage the device.

Method used

An elevator counterweight trimming device was designed, comprising a support, trimming mechanism, transmission assembly, and lower cutting mechanism. The device uses a floating connecting rod and grinding disc to grind the front side, and the lower cutting mechanism to cut the back side. It combines a height adjustment device and diamond alloy blades for precise trimming.

Benefits of technology

It enables simultaneous trimming of both sides of the workpiece, improving trimming efficiency, reducing processing time and equipment wear, extending the service life of the device, and enhancing trimming accuracy and surface quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of elevator counterweight block finishing, and particularly relates to an elevator counterweight block finishing device. Comprising a trimming mechanism, a transmission assembly and a lower cutting mechanism. The transmission assembly comprises a driving motor, the transmission assembly is installed on the left side of the support, the finishing mechanism comprises a floating connecting rod and a grinding piece, the finishing mechanism is installed on the support, and the grinding piece is rotatably installed on the head of the floating connecting rod; the lower cutting mechanism comprises a disc cutter, and the disc cutter is connected with the driving motor. In practical application, the trimming mechanism trims burrs at the bottom of the elevator counterweight, the front face of the elevator counterweight is polished through the lower cutting mechanism, and it is ensured that the burrs are completely removed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator counterweight block finishing technical field, concretely relates to an elevator counterweight block finishing device. BACKGROUND

[0002] The main role of the counterweight block is to maintain the traction capacity during the operation of the traction elevator, thereby achieving the effect of energy saving of the elevator. The raw material of the hot-pressing counterweight block is metal cutting material produced by machining, such as shavings and iron filings, which is formed by high-temperature heating and high-pressure pressing. There is a certain gap between the grinding tools used for pressing. The counterweight edge after forming will have a certain flash and burr phenomenon before polishing.

[0003] The patent announcement No. CN111015407A is a plastic shaping and finishing device for glass steel top pipe sleeve processing and its working method, which comprises a workbench, a first conveying table, a finishing seat and a flat pressing table. The first conveying table is horizontally arranged at one end of the workbench, and the finishing seat is vertically arranged on one side of the first conveying table. The flat pressing table is arranged above the first conveying table. The above-mentioned device cannot polish and correct the burrs on both sides of the workpiece synchronously, and the flat pressing table may be damaged when it is pressed down during polishing. Therefore, it is urgent for the technical personnel in the field to solve the above-mentioned technical problems. SUMMARY

[0004] The technical problem to be solved by the utility model is that in the above-mentioned prior art, the front and back surfaces of the workpiece cannot be finished at the same time when the burrs of the workpiece are polished and finished, and the flat pressing table provides pressure to the workpiece for a long time, which may damage the device.

[0005] To solve the above-mentioned technical problems, the utility model adopts the technical scheme that:

[0006] An elevator counterweight block finishing device, comprising a support, a finishing mechanism, a transmission assembly and a lower cutting mechanism. The transmission assembly comprises a drive motor, and the transmission assembly is installed on the left side of the support. The finishing mechanism comprises a floating connecting rod and a polishing piece, and the finishing mechanism is installed on the support. The polishing piece is rotatably installed on the head of the floating connecting rod. The lower cutting mechanism is installed at the bottom of the support, and the lower cutting mechanism comprises a disc cutter connected to the drive motor. The transmission roller is rotatably installed on the support. The finishing mechanism is provided with five groups. The transmission assembly further comprises a transmission roller, a transmission chain and a transmission roller. The transmission roller is connected to the drive motor through a belt. The transmission chain is connected to the transmission roller. The transmission roller is provided with a counterweight block positioning rod above it. The polishing piece is located directly above the counterweight block positioning rod. The lower cutting mechanism is located at the bottom of the counterweight block positioning rod.

[0007] Further, a second driving motor is arranged on the trimming mechanism, and a power output end of the second driving motor is connected with the floating connecting rod.

[0008] Further, a height adjusting device is arranged in the bracket, and the height adjusting device is connected with the trimming mechanism, and the height of the trimming mechanism is adjusted through the height adjusting device.

[0009] Further, the disc cutter is arranged at the bottom of the bracket, and 4-6 diamond alloy blades are arranged on the disc cutter.

[0010] Further, the head of the floating connecting rod can swing freely, and the swinging angle is 0°-10°.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] 1. The utility model discloses a trimming mechanism for elevator counterweight, which comprises a bracket, a trimming mechanism arranged on the bracket, a floating connecting rod arranged on the trimming mechanism, a disc cutter arranged on the floating connecting rod, and a lower cutting mechanism arranged on the bracket.

[0013] 2. The utility model discloses a trimming mechanism for elevator counterweight, which comprises a bracket, a trimming mechanism arranged on the bracket, a floating connecting rod arranged on the trimming mechanism, a disc cutter arranged on the floating connecting rod, and a lower cutting mechanism arranged on the bracket.

[0014] 3. The utility model discloses a trimming mechanism for elevator counterweight, which comprises a bracket, a trimming mechanism arranged on the bracket, a floating connecting rod arranged on the trimming mechanism, a disc cutter arranged on the floating connecting rod, and a lower cutting mechanism arranged on the bracket. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the transmission assembly of the utility model;

[0018] Figure 4 It is the three-dimensional structure schematic diagram of the trimming mechanism of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the lower cutting mechanism of the utility model.

[0020] Wherein, 1 - support; 11 - counterweight positioning rod; 2 - finishing mechanism; 21 - floating connecting rod; 22 - polishing piece; 3 - transmission assembly; 31 - drive motor; 311 - second drive motor; 32 - transmission roller; 33 - transmission chain; 34 - transmission roller; 4 - height adjusting device; 5 - lower cutting mechanism; 51 - disc cutter. DETAILED DESCRIPTION

[0021] The utility model will be described in further detail below in combination with the drawings and specific preferred embodiments.

[0022] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "left side", "right side", "upper part", "lower part" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and "first", "second" and the like do not represent the importance of the parts, so it cannot be understood as a limitation on the utility model. The specific dimensions used in this embodiment are only used to illustrate the technical scheme and do not limit the protection scope of the utility model.

[0023] As Figure 1 , Figure 2 and Figure 3 , the support 1 serves as the basic structure of the entire device, and carries the finishing mechanism 2, the transmission assembly 3, the height adjusting device 4 and the lower cutting mechanism 5, the support 1 is provided with the counterweight positioning rod 11 for fixing the elevator counterweight to be finished, to ensure that it remains stable during the finishing process, the finishing mechanism 2 includes the floating connecting rod 21, which allows the polishing piece 22 to swing freely by 10° according to the surface profile of the elevator counterweight, which helps to apply pressure more evenly, five groups of finishing mechanisms 2 are installed on the support 1, and each group is provided with an independent second drive motor 311, so that the polishing piece 22 can rotate and work, thereby polishing the surface of the elevator counterweight, the drive motor 31 in the transmission assembly 3 provides power to the transmission roller 32, the transmission chain 33 and the transmission roller 34, to drive the movement of the entire device, the transmission chain 33 transmits the power of the drive motor 31 to each transmission roller 34, and these transmission rollers 34 are responsible for conveying the elevator counterweight through the finishing area, the height adjusting device 4 is installed in the middle of the support 1, and the height adjusting device 4 allows the operator to adjust the position of the finishing mechanism 2 as needed, so as to better match elevator counterweights of different thicknesses or types, the disc cutter 51 of the lower cutting mechanism 5 is located at the bottom of the support 1, and is provided with 6 diamond alloy blades, which are specially used to remove excess material and burrs on the bottom surface of the workpiece, and the diamond alloy blades can effectively cut metal materials due to their high hardness, thereby ensuring good finishing effect;

[0024] The device can process the burr problem of both sides of the workpiece at the same time, significantly reducing the processing time and steps, the design of the floating connecting rod 21 makes the polishing process more flexible, which can adapt to various specifications of the elevator counterweight, reduces the wear of the equipment itself, the use of diamond alloy blades enhances the tool life, and also improves the finishing accuracy and surface quality, the height adjusting device 4 allows users to easily adjust the settings according to actual needs, enhancing the operation convenience and application range of the equipment.

[0025] As shown in Figure 4 , the floating connecting rod 21 is installed above the support 1 and connected with the driving motor 31, the head of the floating connecting rod 21 can freely swing within an angle of 10°, which makes the polishing piece 22 better fit the surface of elevator counterweight with different shapes or sizes, the polishing piece 22 is rotatably installed at the head of the floating connecting rod 21, used to remove the flash burr on the edge of the elevator counterweight, through the rotary motion to evenly distribute the pressure and improve the polishing effect, the whole finishing mechanism 2 is provided with five groups, each group includes a floating connecting rod 21 and a polishing piece 22, the multi-group configuration allows the counterweight to be processed from multiple directions at the same time, improving the work efficiency, and each group of finishing mechanism 2 is also equipped with an independent driving motor 31 to provide power for the floating connecting rod 21, ensuring that each polishing piece 22 can obtain sufficient speed to perform effective finishing work.

[0026] As shown in Figure 5 , the disc cutter 51 of the lower cutting mechanism structure 5 is installed at the bottom of the support 1, below the elevator counterweight, 6 diamond alloy blades are installed on the disc cutter 51, which are evenly distributed on the edge of the disc cutter 51, the driving motor 31 is connected with the disc cutter 51 through the transmission assembly 3, ensuring that the disc cutter 51 can rotate at high speed to perform effective cutting work, the diamond alloy blade is particularly suitable for cutting metal materials due to its high hardness and wear resistance, which can quickly and effectively remove the excess material and burr on the bottom surface of the elevator counterweight, reducing the processing time, the high-speed rotating disc cutter 51 combined with the multi-blade design can provide more uniform and fine cutting effect, thereby improving the smoothness and flatness of the bottom surface of the elevator counterweight, the diamond alloy blade not only has high hardness, but also has low wear and replacement frequency, reducing the maintenance cost, the automatic cutting process reduces the need for manual polishing, reducing the labor intensity and improving the consistency and stability of production, compared with manual tools, the mechanical cutting process is more controllable, reducing the risk of operator injury.

[0027] As shown in Figure 1 and Figure 3As shown, the height adjusting device 4 is connected to the bottom of the support 1 through a lead screw, and the trimming mechanism 2 is driven to move downward by rotating the handle at the top of the lead screw, so as to adjust the distance between the trimming mechanism 2 and the elevator counterweight, and ensure that the trimming mechanism 2 is in a non-working state, the elevator counterweight has been placed and fixed on the counterweight positioning rod 11, the operator rotates the handle at the top of the lead screw according to the needs, clockwise rotation will make the trimming mechanism 2 move downward, counterclockwise rotation will make the trimming mechanism 2 move upward, the distance between the trimming mechanism 2 and the elevator counterweight is observed until the ideal trimming height is reached, when the trimming mechanism 2 is adjusted to the correct position, the rotation of the handle is stopped to ensure that the trimming mechanism 2 will not move during the working process, the operation of manually rotating the handle is very intuitive and easy to use, the cost of the manual lead screw adjustment is relatively low, and the maintenance is relatively simple, the lead screw adjustment can realize a wide range of height adjustment, can handle elevator counterweights of different thicknesses and shapes, the design of the lead screw and the nut provides stable support and reduces wear, prolongs the service life of the equipment, and the lead screw adjustment mechanism does not have complex electronic components, so the failure rate is low, and the repair and replacement of parts are relatively simple.

[0028] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to the specific details in the above embodiments, and various equivalent transformations of the technical solutions of the utility model can be carried out within the technical concept of the utility model, and these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. An elevator counterweight trimming device, characterized by: Including support (1), trimming mechanism (2), transmission assembly (3) and lower cutting mechanism (5), the transmission assembly (3) includes drive motor (31), the transmission assembly (3) is installed on the left side of support (1), the trimming mechanism (2) includes floating connecting rod (21) and polishing piece (22), the trimming mechanism (2) is installed on the support (1), the polishing piece (22) is rotatably installed in the head of the floating connecting rod (21), the lower cutting mechanism (5) is installed at the bottom of support (1), the lower cutting mechanism (5) includes disc cutter (51), the disc cutter (51) is connected with the drive motor (31), the trimming mechanism (2) is provided with five groups, the transmission assembly (3) further includes transmission roller (32), transmission chain (33) and transmission roller (34), the transmission roller (32) is connected with the drive motor (31) by belt, the transmission chain (33) is connected with the transmission roller (34), the transmission roller (34) is rotatably installed on the support (1), the polishing piece (22) is located directly above the counterweight positioning rod (11), and the lower cutting mechanism (5) is located at the bottom of the counterweight positioning rod (11).

2. The elevator counterweight trimming device of claim 1, wherein: The trimming mechanism (2) is further provided with a second drive motor (311), and the power output end of the second drive motor (311) is connected with the floating connecting rod (21).

3. The elevator counterweight trimming device of claim 1, wherein: The height adjusting device (4) is installed in the middle of the support (1), the height adjusting device (4) is connected with the trimming mechanism (2), and the height of the trimming mechanism (2) is adjusted by the height adjusting device (4).

4. The elevator counterweight trimming device of claim 1, wherein: The disc cutter (51) is installed at the bottom of the support (1), and 4-6 diamond alloy blades are installed on the disc cutter (51).

5. The elevator counterweight trimming device of claim 1, wherein: The floating connecting rod (21) can freely swing, and the swing angle is 0°-10°.

Citation Information

Patent Citations

  • Molding and finishing equipment for machining fiber reinforced plastic jacking pipe sleeves and working method of molding and finishing equipment

    CN111015407A