Nodular cast iron well lid surface polishing and grinding device

By adopting a combined structure of grooves, movable frames, pulling springs, ports and limit rods in the surface polishing and grinding device of the ductile iron manhole cover, the problem of manhole cover shaking caused by insufficient stability of the plyboard is solved, and the stable positioning of the manhole cover and the polishing effect are improved.

CN222589178UActive Publication Date: 2025-03-11JIANGSU YIHAO ELECTRIC POWER EQUIP CO LTD
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Patent Information

Application Number
CN202421187741.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-03-11
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

When used, the existing ductile iron manhole cover surface polishing and grinding device has a small contact area between the ply plate and the manhole cover, resulting in low stability of clamping of the ply plate, causing the manhole cover to shake and affect the grinding effect.

Method used

A ductile iron manhole cover surface polishing and grinding device is designed, adopting a combined structure of grooves, movable frames, springs, ports and limit rods. Through the cooperation of the rotating rings and movable frames, the automatic positioning and tightening of the clamps are achieved to ensure the stable positioning of the manhole cover.

Benefits of technology

This device can effectively prevent the ductile iron manhole cover from shaking during grinding, improve the grinding effect, and ensure that the polishing effect on the manhole cover surface reaches the best state.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nodular cast iron well lid surface polishing and grinding device which comprises a workbench, a grinding assembly is fixedly connected to the back face of the top of the workbench, a groove is formed in the top of the workbench, a driving box is fixedly connected to the interior of the groove, and a positive and negative tooth threaded rod is movably connected to the interior of the driving box. An operator selects the clamping plates provided with the arc-shaped grooves with the same diameter according to the diameter of the nodular cast iron well lid to be clamped, pulls the movable frame upwards to unlock the circular ring, then rotates the circular ring, rotates the proper clamping plates to the side close to the polishing assembly, and conducts polishing on the nodular cast iron well lid. Then the nodular cast iron well lid is placed between the two clamping plates, an operator starts the first motor to rotate to drive the positive and negative tooth threaded rod to rotate, then the clamping plates on the two sides are driven to get close to each other till the nodular cast iron well lid is clamped by the clamping plates, and the device has the advantage of being good in positioning effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of ductile iron manhole covers, in particular to a device for polishing and grinding the surface of a ductile iron manhole cover. Background Art

[0002] Ductile iron manhole cover is a kind of ductile iron product. Ductile iron is obtained by spheroidizing and inoculating to obtain spheroidal graphite, which effectively improves the mechanical properties of cast iron, especially the plasticity and toughness, thereby obtaining higher strength than carbon steel.

[0003] The existing ductile iron manhole cover surface polishing and grinding device often uses a clamp to clamp the ductile iron manhole cover to prevent the ductile iron manhole cover from moving, and then controls the grinding component to grind the ductile iron manhole cover. This method has a simple structure, but in actual use, some ductile iron manhole covers are cylindrical, and the contact area between the clamp and the ductile iron manhole cover is small, resulting in low stability of the clamp clamping the ductile iron manhole cover, and then the ductile iron manhole cover shakes, which affects the grinding effect. Therefore, it is necessary to design and modify the ductile iron manhole cover surface polishing and grinding device to effectively prevent the phenomenon of poor grinding effect. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a device for polishing and grinding the surface of a ductile iron manhole cover, which has the advantage of good positioning effect, and solves the problem that the existing device for polishing and grinding the surface of a ductile iron manhole cover often uses a clamp to clamp the ductile iron manhole cover to prevent the ductile iron manhole cover from moving, and then controls the grinding assembly to grind the ductile iron manhole cover. This method has a simple structure, but in actual use, some ductile iron manhole covers are cylindrical, and the contact area between the clamp and the ductile iron manhole cover is small, resulting in low stability of the clamp to clamp the ductile iron manhole cover, and then the ductile iron manhole cover shakes, which affects the grinding effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for polishing and grinding the surface of a ductile iron manhole cover, comprising a workbench, a grinding assembly is fixedly connected to the back of the top of the workbench, a groove is provided on the top of the workbench, and a driving box is fixedly connected inside the groove, a positive and negative threaded rod is movably connected inside the driving box, movable blocks are threaded on both sides of the surface of the positive and negative threaded rod, the movable block is movably connected to the driving box, a first motor is fixedly connected to the right side of the driving box, an output end of the first motor is fixedly connected to the positive and negative threaded rod, a round rod is fixedly connected to the top of the movable block, a circular ring is movably connected to the surface of the round rod through a bearing, fixed blocks are fixedly connected around the top of the circular ring, a limited block is movably connected inside the fixed block, a splint is fixedly connected to the surface of the limited block, and arc grooves of different diameters are provided on the side of each splint away from the round rod, and the polishing assembly comprises a support frame, a lifting assembly, a driving assembly, a control assembly, a polishing wheel, etc.

[0006] As a preferred embodiment of the utility model, a groove is provided on the top of the round rod, and a movable frame is movably connected inside the groove, a tension spring is fixedly connected to the top of the round rod, and the tension spring is fixedly connected to the movable frame, a through opening is opened on the top of the circular ring, and the number of the through openings is four, and limiting rods are fixedly connected on all four sides of the bottom of the movable frame, and the limiting rods are movably connected to the through openings.

[0007] As a preferred embodiment of the present invention, a handle is fixedly connected to the top of the movable frame, and the surface of the handle is provided with anti-slip grooves, and the number of the anti-slip grooves is several, and the anti-slip grooves are evenly distributed on the surface of the handle.

[0008] As a preferred embodiment of the utility model, the surface of the grinding assembly is fixedly connected to an air inlet pipe via a bracket, the left side of the workbench is fixedly connected to an air bin via a bracket, the top of the air bin is connected to an air pump, the air inlet of the air pump is connected to the air inlet pipe via a pipe, and a filter plate is fixedly connected to the inside of the air bin.

[0009] As a preferred embodiment of the utility model, the inner wall of the wind bin is fixedly connected to the second motor via a bracket, the output end of the second motor is fixedly connected to a scraper frame, the scraper frame is movably connected to the filter plate, the left side of the wind bin is connected to a collecting box, and a sealing cover is provided on the front of the collecting box.

[0010] As a preferred embodiment of the present invention, a controller is fixedly connected to the front of the workbench, a display is provided on the surface of the controller, and the controller is respectively connected to the first motor, the second motor and the air pump signals.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adopts that the operator selects a clamping plate with an arc groove of the same diameter according to the diameter of the ductile iron manhole cover to be clamped, the operator pulls the movable frame upward to release the lock of the ring, and then the operator rotates the ring to rotate the appropriate clamping plate to the side close to the grinding component, and then puts the ductile iron manhole cover between the two clamping plates, and then the operator starts the first motor to rotate to drive the positive and negative threaded rods to rotate, thereby driving the clamping plates on both sides to approach each other until the clamping plates clamp the ductile iron manhole cover. The device has the advantage of good positioning effect.

[0013] 2. The utility model provides the groove, the movable frame, the tension spring, the through hole and the limit rod, so that the operator can pull the movable frame upward, thereby driving the limit rod to move upward until the limit rod is separated from the through hole, thereby releasing the lock on the ring, and then the operator can rotate the ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the circular ring structure of the utility model;

[0016] Figure 3 This is a front cross-sectional schematic diagram of the wind bin and collection box structure of the utility model;

[0017] Figure 4 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1. workbench; 2. grinding assembly; 3. drive box; 4. movable block; 5. round rod; 6. ring; 7. fixed block; 8. limit block; 9. clamp; 10. movable frame; 11. tension spring; 12. limit rod; 13. first motor; 14. handle; 15. air inlet pipe; 16. wind bin; 17. air pump; 18. filter plate; 19. second motor; 20. scraper frame; 21. collection box; 22. controller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] like Figures 1 to 4As shown, a ductile iron manhole cover surface polishing and grinding device comprises a workbench 1, a polishing assembly 2 is fixedly connected to the back of the top of the workbench 1, a groove is arranged on the top of the workbench 1, and a driving box 3 is fixedly connected inside the groove, a positive and negative threaded rod is movably connected inside the driving box 3, movable blocks 4 are threadedly connected to the two sides of the surface of the positive and negative threaded rod, the movable block 4 is movably connected to the driving box 3, a first motor 13 is fixedly connected to the right side of the driving box 3, an output end of the first motor 13 is fixedly connected to the positive and negative threaded rod, a round rod 5 is fixedly connected to the top of the movable block 4, a circular ring 6 is movably connected to the surface of the circular rod 5 through a bearing, fixed blocks 7 are fixedly connected to the top of the circular ring 6 all around, a limit block 8 is movably connected inside the fixed block 7, a clamping plate 9 is fixedly connected to the surface of the limit block 8, and arc grooves of different diameters are arranged on the side of each clamping plate 9 away from the round rod 5, and the polishing assembly 2 comprises a support frame, a lifting assembly, a driving assembly, a control assembly, a polishing wheel, etc.

[0021] refer to Figure 1 , Figure 2 and Figure 4 A groove is provided on the top of the round rod 5, and a movable frame 10 is movably connected inside the groove. A tension spring 11 is fixedly connected to the top of the round rod 5, and the tension spring 11 is fixedly connected to the movable frame 10. A through hole is opened on the top of the circular ring 6, and the number of the through holes is four. The bottom of the movable frame 10 is fixedly connected with a limit rod 12 all around, and the limit rod 12 is movably connected to the through hole.

[0022] As a technical optimization solution of the utility model, through the arrangement of the groove, the movable frame 10, the tension spring 11, the through-hole and the limiting rod 12, the operator can pull the movable frame 10 upward, thereby driving the limiting rod 12 to move upward until the limiting rod 12 is separated from the through-hole, thereby releasing the lock on the ring 6, and then the operator can rotate the ring 6.

[0023] refer to Figure 1 , Figure 2 and Figure 4 A handle 14 is fixedly connected to the top of the movable frame 10 , and the surface of the handle 14 is provided with anti-slip grooves, and the number of the anti-slip grooves is several, and the anti-slip grooves are evenly distributed on the surface of the handle 14 .

[0024] As a technical optimization solution of the present invention, the provision of the handle 14 can facilitate the operator to pull the movable frame 10 upwards.

[0025] refer to Figure 1 and Figure 2 The surface of the grinding assembly 2 is fixedly connected with an air inlet pipe 15 through a bracket, the left side of the workbench 1 is fixedly connected with an air bin 16 through a bracket, the top of the air bin 16 is connected with an air pump 17, the air inlet of the air pump 17 is connected with the air inlet pipe 15 through a pipeline, and the inside of the air bin 16 is fixedly connected with a filter plate 18.

[0026] As a technical optimization solution of the utility model, through the arrangement of the air intake pipe 15, the wind bin 16, the air pump 17 and the filter plate 18, the operator can start the air pump 17 so that the air intake pipe 15 sucks the smoke generated during grinding into the wind bin 16, and then filters it through the filter plate 18, thereby preventing the smoke from being inhaled into the body of the operator and causing harm to the operator's body.

[0027] refer to Figure 1 and Figure 2 The inner wall of the wind bin 16 is fixedly connected to the second motor 19 through a bracket, the output end of the second motor 19 is fixedly connected to the scraper frame 20, the scraper frame 20 is movably connected to the filter plate 18, the left side of the wind bin 16 is connected to the collection box 21, and the front of the collection box 21 is provided with a sealing cover.

[0028] As a technical optimization solution of the utility model, through the setting of the second motor 19, the scraper frame 20 and the collection box 21, the operator can start the second motor 19 to rotate and drive the scraper frame 20 to rotate, thereby pushing the dust accumulated on the top of the filter plate 18 into the collection box 21.

[0029] refer to Figure 1 , Figure 3 and Figure 4 A controller 22 is fixedly connected to the front of the workbench 1, a display is provided on the surface of the controller 22, and the controller 22 is respectively connected to the first motor 13, the second motor 19 and the air pump 17 by signals.

[0030] As a technical optimization solution of the present invention, the setting of the controller 22 facilitates the operator to control the start and stop of the first motor 13, the second motor 19 and the air pump 17.

[0031] The working principle and use process of the utility model are as follows: when in use, the operator selects a clamping plate 9 provided with an arc groove of the same diameter according to the diameter of the ductile iron manhole cover to be clamped, the operator pulls the movable frame 10 upward to release the lock of the ring 6, and then the operator rotates the ring 6, thereby driving the fixed block 7, the limit block 8 and the clamping plate 9 to rotate, and rotates the appropriate clamping plate 9 to the side close to the grinding component 2, and then the operator releases the movable frame 10, and under the action of the tension spring 11, the movable frame 10 moves downward, thereby driving the limit rod 1 2 moves down until the bottom of the limit rod 12 is inserted into the through opening, thereby locking the position of the ring 6, and then the ductile iron manhole cover is placed between the two clamping plates 9, and then the operator starts the first motor 13 to rotate to drive the positive and negative threaded rods to rotate, thereby driving the movable blocks 4, round rods 5, rings 6, fixed blocks 7, limit blocks 8 and clamping plates 9 on both sides to approach each other until the clamping plates 9 clamp the ductile iron manhole cover, thereby effectively positioning the ductile iron manhole cover, and then starts the grinding component 2 to grind and polish the ductile iron manhole cover.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] 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 ductile iron manhole cover surface polishing and grinding device, comprising a workbench (1), characterized in that: The back side of the top of the workbench (1) is fixedly connected to a grinding assembly (2); the top of the workbench (1) is provided with a groove, and the interior of the groove is fixedly connected to a driving box (3); the interior of the driving box (3) is movably connected to a positive and negative threaded rod; both sides of the surface of the positive and negative threaded rod are threadedly connected to movable blocks (4); the movable blocks (4) are movably connected to the driving box (3); the right side of the driving box (3) is fixedly connected to a first motor (13); the output end of the first motor (13) is fixedly connected to the positive and negative threaded rod; The top of the movable block (4) is fixedly connected to a round rod (5), the surface of the round rod (5) is movably connected to a round ring (6) via a bearing, the top of the round ring (6) is fixedly connected to fixed blocks (7) all around, the fixed block (7) is movably connected to a limit block (8) inside, the surface of the limit block (8) is fixedly connected to a clamping plate (9), and each clamping plate (9) is provided with an arc groove of different diameters on a side away from the round rod (5), and the grinding assembly (2) comprises a support frame, a lifting assembly, a driving assembly, a control assembly and a grinding and polishing wheel.

2. A ductile iron manhole cover surface polishing and grinding device according to claim 1, characterized in that: The top of the round rod (5) is provided with a groove, and the interior of the groove is movably connected to a movable frame (10), the top of the round rod (5) is fixedly connected to a tension spring (11), and the tension spring (11) is fixedly connected to the movable frame (10), the top of the circular ring (6) is provided with through openings, the number of the through openings is four, and the four sides of the bottom of the movable frame (10) are fixedly connected to limit rods (12), and the limit rods (12) are movably connected to the through openings.

3. A ductile iron manhole cover surface polishing and grinding device according to claim 2, characterized in that: A handle (14) is fixedly connected to the top of the movable frame (10), and the surface of the handle (14) is provided with anti-slip grooves, and the number of anti-slip grooves is several, and the anti-slip grooves are evenly distributed on the surface of the handle (14).

4. The device for polishing and grinding the surface of a ductile iron manhole cover according to claim 1, characterized in that: The surface of the polishing assembly (2) is fixedly connected to an air inlet pipe (15) via a bracket, the left side of the workbench (1) is fixedly connected to an air bin (16) via a bracket, the top of the air bin (16) is connected to an air pump (17), the air inlet of the air pump (17) is connected to the air inlet pipe (15) via a pipeline, and the interior of the air bin (16) is fixedly connected to a filter plate (18).

5. A ductile iron manhole cover surface polishing and grinding device according to claim 4, characterized in that: The inner wall of the wind bin (16) is fixedly connected to a second motor (19) via a bracket, the output end of the second motor (19) is fixedly connected to a scraper frame (20), the scraper frame (20) is movably connected to the filter plate (18), the left side of the wind bin (16) is connected to a collection box (21), and a sealing cover is provided on the front of the collection box (21).

6. A ductile iron manhole cover surface polishing and grinding device according to claim 5, characterized in that: A controller (22) is fixedly connected to the front of the workbench (1), a display is arranged on the surface of the controller (22), and the controller (22) is respectively connected to the first motor (13), the second motor (19) and the air pump (17) by signals.