Grinding device for machining steel fireproof door

By designing a multi-directional movement and adjustment grinding device, the problems of low grinding efficiency, inflexible angle and inconvenient installation and fixing of steel fire doors in the prior art are solved, and efficient and flexible grinding effects and convenient installation process are achieved.

CN222885964UActive Publication Date: 2025-05-20JIANGXI YUXIN FIRE FIGHTING EQUIP CO LTD

Patent Information

Application Number
CN202421011029.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-05-20
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

The existing steel fireproof door grinding devices have low grinding efficiency, inflexible grinding angles, and inconvenient installation and fixing.

Method used

A grinding device including the main frame, clamping assembly, grinding assembly, installation auxiliary assembly and adjustment assembly is designed. The door panel is adsorbed and clamped and fixed by the electromagnet clamp, and the multi-directional movement and adjustment of the grinding disc is achieved by using the cylinder and gear set, which improves grinding efficiency and angular flexibility.

Benefits of technology

It realizes the simultaneous polishing of the double-sided steel fire doors, improves grinding efficiency, and is flexible in grinding angle, convenient installation and fixing, reducing the time and effort of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a polishing device for steel fireproof door machining, and relates to the field of polishing devices.The polishing device comprises a main frame, a clamping assembly, a polishing assembly, an installation assisting assembly and an adjusting assembly, the inner side of the main frame is slidably connected with a lifting plate, the lower end of the lifting plate is connected with a second air cylinder, and the installation assisting assembly is fixed to the upper side of the lifting plate; the clamping assembly is fixed to the inner side of the main frame and located on the upper side of the mounting auxiliary assembly, the clamping assembly comprises a fixing plate, a sliding plate is slidably connected to the upper side of the fixing plate, a rotating shaft is connected to the inner side of the sliding plate, an electromagnet clamping block is connected to the inner side of the rotating shaft, and the grinding assembly is arranged on the inner side of the main frame. The grinding assembly is located on the upper side of the clamping assembly and comprises a moving plate, and meanwhile the inner side of the moving plate is slidably connected with a grinding disc. The steel fireproof door polishing device solves the problems that an existing steel fireproof door polishing device is low in polishing efficiency, inflexible in polishing angle and inconvenient to install and fix.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, and particularly relates to a grinding device for processing steel fire doors. Background Art

[0002] During the processing of steel fire doors, it is necessary to grind the burrs on the surface. After retrieval, the prior art (application number: CN202022837919.X) records "a deburring device for processing steel doors, belonging to the technical field of material grinding. The deburring device for processing steel doors includes a transmission mechanism, the transmission mechanism includes a lead screw and a slide bar, the lead screw and the slide bar are connected to a sliding box, the collection mechanism includes a suction fan, the suction fan is fixedly installed below the interior of the machine box by screws, and the output end of the suction fan is connected to a suction pipe. Through the transmission mechanism of the present utility model, the cutting machine can be moved, so that during processing, the grinding position can be controlled mechanically to meet more precise grinding requirements. Through the collection mechanism of the present utility model, the suction fan can be turned on during processing operations, and the burr waste generated after processing falls into the funnel through the hollow plate, and then the burr waste is brought into the storage box by the air flow driven by the suction fan, thereby reducing the inhalation of burr waste generated during processing by workers during operations."

[0003] However, although the deburring device for processing steel doors in the prior art achieves the effect of deburring and grinding, there are still some deficiencies: the existing grinding device for steel fire doors can only grind one side of the steel door at a time and then grind the reverse side, resulting in low efficiency. At the same time, it can only move and grind in one direction, resulting in limited grinding angles.

[0004] Secondly, manual clamping and fixing operations of the steel door need to be performed manually, and the process is relatively troublesome, with the defects of time-consuming and laborious. Summary of the Utility Model

[0005] In order to overcome the defects existing in the prior art, a grinding device for processing steel fire doors is provided to solve the problems of low grinding efficiency, inflexible grinding angles, and inconvenient installation and fixing existing in the existing grinding device for steel fire doors.

[0006] In order to achieve the above-mentioned purpose, a grinding device for processing steel fire doors is provided, comprising: a main frame, a clamping assembly, a grinding assembly, an installation auxiliary assembly and an adjustment assembly, wherein a lifting plate is slidably connected to the inner side of the main frame, and a second cylinder is connected to the lower end of the lifting plate, and the installation auxiliary assembly is fixed on the upper side of the lifting plate, the clamping assembly is fixed to the inner side of the main frame, and the clamping assembly is located on the upper side of the installation auxiliary assembly, and the clamping assembly comprises a fixed plate, a slide plate is slidably connected to the upper side of the fixed plate, and a rotating shaft is connected to the inner side of the slide plate, and an electromagnet clamp block is connected to the inner side of the rotating shaft, the grinding assembly is arranged on the inner side of the main frame, and is located on the upper side of the clamping assembly, and the grinding assembly comprises a moving plate, and a grinding disc is slidably connected to the inner side of the moving plate, the adjustment assembly is connected to the upper end of the grinding assembly, and the adjustment assembly comprises a vertical slider slidably connected to the inner wall of the main frame, and a double-screw screw is rotatably connected between the vertical sliders, and a screw block is screwed to the outer side of the double-screw screw, and the screw block is fixedly connected to the moving plate.

[0007] Furthermore, the auxiliary installation component includes a positioning frame fixed to the middle part of the upper side of the lifting plate, and the positioning frame is set to a U-shaped structure, and a roller is provided at the inner bottom of the positioning frame.

[0008] Furthermore, a guide wheel is provided inside the positioning frame, and a slide bar is connected to the outside of the guide wheel. The slide bar slides horizontally through the side wall of the positioning frame, and a spring is sleeved on the outside of the slide bar and between the inner wall of the positioning frame and the guide wheel.

[0009] Furthermore, the outer end of the slide rod is connected to a limit rod, and a handle screw is screwed inside the limit rod, and the inner end of the handle screw is rotatably connected to the outer wall of the positioning frame.

[0010] Furthermore, the fixed plate is fixed to the inner plate wall of the main frame, and a through guide groove is provided inside the fixed plate, while the slide plate is slidably connected to the fixed plate through a guide block inside the guide groove, and a first cylinder is connected to the outer side of the slide plate.

[0011] Furthermore, the outer end of the shaft is rotatably connected to the slide plate, and a steering motor is provided on the lower side of the shaft, and the shaft and the steering motor are connected through a first gear set. At the same time, a sleeve is rotatably mounted on the outer side of the shaft, and the sleeve is connected to the fixed plate through a support rod on the lower side.

[0012] Furthermore, a guide groove is provided inside the movable plate, and a limit slider is slidably connected in the guide groove, a grinding motor is connected inside the limit slider, and the grinding disc is installed at the output shaft end of the grinding motor.

[0013] Furthermore, a longitudinal screw rod is connected to the outer side of the movable plate, and a driving block is connected to the outer side of the longitudinal screw rod, and the driving block is connected to the outer side of the limit slider, and the front end of the longitudinal screw rod is connected to the longitudinal movement motor, and the longitudinal movement motor is fixed to the outer wall of the movable plate.

[0014] Furthermore, the vertical slider is slidably connected to the vertical track groove opened inside the side plate of the main frame, and the upper end of the vertical slider is connected to the third cylinder, and a guide rod is connected between the vertical sliders on both sides, and the guide rod slides through the screw block.

[0015] Furthermore, a smooth shaft section is provided in the middle of the double-thread screw rod, and a stable shaft plate is rotatably connected to the outside of the smooth shaft section, and an adjustment motor is installed on the outside of the stable shaft plate. The adjustment motor and the smooth shaft section are connected through a second gear set. At the same time, a cross bar is connected to the upper end of the stable shaft plate, and both ends of the cross bar are fixed to the upper end of the vertical slider.

[0016] The beneficial effects of the utility model are:

[0017] 1. When in use, first insert the steel fireproof door panel vertically into the positioning frame, then start the second cylinder to drive the lifting plate to move upward, move the steel fireproof door panel between the two electromagnet clamps, then start the first cylinder to drive the slide plate to drive the rotating shaft to bring the electromagnet clamps close to and contact the two sides of the door panel, and at the same time, energize the electromagnet to achieve adsorption, clamping and fixing of the door panel, then start the third cylinder to drive the grinding assembly downward, so that the grinding disc is located on both sides of the door panel, then start the adjustment motor to drive the double-screw screw to drive the grinding disc to move close to the door panel through the screw connection block, and then start the grinding motor and the longitudinal movement motor, so that the grinding disc is driven to rotate and grind while having a reciprocating movement effect, thereby achieving the effect of grinding both sides of the steel fireproof door at the same time, thereby improving the grinding efficiency;

[0018] 2. During the grinding process, the longitudinal motor and the longitudinal screw rod are used to drive the grinding disc to move forward and backward, so as to grind the front and rear width of the door panel comprehensively. Then, the direction adjustment motor is started, and the rotating shaft is driven by the first gear group to drive the door panel to adjust the direction up and down. Then, the height of the grinding disc is adjusted by the third cylinder to achieve the automatic flipping and grinding effect of the door panel, making the grinding angle flexible. The auxiliary components are installed to facilitate the easy feeding and fixing of the door panel, which is more time-saving and labor-saving. Brief Description of the Figures

[0019] Figure 1 This is a front view structural diagram of an embodiment of the utility model.

[0020] Figure 2 is the of the embodiment of the utility model Figure 1 Schematic diagram of the structure at A in the middle.

[0021] Figure 3 is the of the embodiment of the utility model Figure 1 Schematic diagram of the structure at B.

[0022] Figure 4Schematic top cross-sectional structure diagram of the grinding assembly according to an embodiment of the present utility model.

[0023] Figure 5 Schematic front view structure diagram of the installation auxiliary assembly according to an embodiment of the present utility model.

[0024] In the figure: 1, main frame; 2, clamping assembly; 21, first cylinder; 22, sliding plate; 23, electromagnet chuck; 24, fixing plate; 25, support rod; 26, bushing; 27, rotating shaft; 28, first gear set; 29, direction adjustment motor; 3, grinding assembly; 31, moving plate; 32, guide groove; 33, grinding motor; 34, grinding disc; 35, longitudinal movement motor; 36, limit slider; 37, longitudinal lead screw; 4, installation auxiliary assembly; 41, positioning frame; 42, roller; 43, guide wheel; 44, spring; 45, slide bar; 46, limit rod; 47, rotating handle lead screw; 5, lifting plate; 6, second cylinder; 7, adjustment assembly; 71, cross bar; 72, adjustment motor; 73, second gear set; 74, double-threaded lead screw; 75, stable shaft plate; 76, screwed block; 77, vertical slider; 78, guide rod; 79, third cylinder. Detailed implementation manners

[0025] Referring to Figures 1 to 5 As shown, the present utility model provides a grinding device for processing steel fire doors, including: main frame 1, clamping assembly 2, grinding assembly 3, installation auxiliary assembly 4 and adjustment assembly 7. The inner side of the main frame 1 is slidably connected with a lifting plate 5, and the lower end of the lifting plate 5 is connected with a second cylinder 6. And the installation auxiliary assembly 4 is fixed on the upper side of the lifting plate 5. The clamping assembly 2 is fixed on the inner side of the main frame 1, and the clamping assembly 2 is located on the upper side of the installation auxiliary assembly 4. And the clamping assembly 2 includes a fixing plate 24. The upper side of the fixing plate 24 is slidably connected with a sliding plate 22. And the inner side of the sliding plate 22 is connected with a rotating shaft 27. And the inner side of the rotating shaft 27 is connected with an electromagnet chuck 23. The grinding assembly 3 is arranged on the inner side of the main frame 1 and is located on the upper side of the clamping assembly 2. And the grinding assembly 3 includes a moving plate 31. At the same time, the inner side of the moving plate 31 is slidably connected with a grinding disc 34. The adjustment assembly 7 is connected to the upper end of the grinding assembly 3. And the adjustment assembly 7 includes a vertical slider 77 slidably connected to the inner wall of the main frame 1. And a double-threaded lead screw 74 is rotatably connected between the vertical sliders 77. At the same time, a screwed block 76 is screwed on the outer side of the double-threaded lead screw 74. And the screwed block 76 is fixedly connected with the moving plate 31.

[0026] In this embodiment, the main frame 1, the clamping assembly 2, the grinding assembly 3, the installation auxiliary assembly 4 and the adjustment assembly 7 constitute the main structure of the grinding device for processing steel fire doors involved in this application, which is mainly used for grinding the burrs on the door panel during the processing of steel fire doors.

[0027] Specifically, the main frame 1 is configured as a pair of vertically parallel vertical plate structures and is fixed to the ground.

[0028] Specifically, an insulating wrapping shell is provided on the side where the electromagnet clamp block 23 is connected to the rotating shaft 27, and the wrapping shell is set as a common viewing end facing the door panel, so that the electromagnet clamp block 23 directly contacts the steel door panel to achieve adsorption.

[0029] If Figure 1 and Figure 5 In the embodiment, the installation auxiliary component 4 includes a positioning frame 41 fixed to the middle part of the upper side of the lifting plate 5, and the positioning frame 41 is set to a U-shaped structure, and a roller 42 is provided at the bottom of the inner side of the positioning frame 41, and a guide wheel 43 is provided on the inner side of the positioning frame 41, and a slide bar 45 is connected to the outer side of the guide wheel 43, and the slide bar 45 slides horizontally through the side wall of the positioning frame 41, and a spring 44 is sleeved on the outer side of the slide bar 45 and between the inner wall of the positioning frame 41 and the guide wheel 43, and the outer end of the slide bar 45 is connected to a limit rod 46, and a rotary handle screw 47 is screwed inside the limit rod 46, and the inner side end of the rotary handle screw 47 is rotatably connected to the outer wall of the positioning frame 41.

[0030] When in use, the door panel is vertically inserted between the guide wheels 43 for initial positioning, and the bottom of the door panel is placed on the roller 42 inside the positioning frame 41. At this time, the door panel is pushed backward so that it is placed between the electromagnet clamps 23.

[0031] As a preferred implementation, by setting a handle screw 47, when the clamping force of the spring 44 is insufficient, the handle screw 47 is used to rotate and drive the slide bars 45 and the guide wheels 43 on both sides to approach each other, further increasing the limit clamping effect.

[0032] If Figure 1 and Figure 3 In the embodiment, the fixed plate 24 is fixed to the inner plate wall of the main frame 1, and a through guide groove is provided inside the fixed plate 24. At the same time, the slide plate 22 is slidably connected to the fixed plate 24 through the guide block inside the guide groove, and the first cylinder 21 is connected to the outer side of the slide plate 22. The outer end of the rotating shaft 27 is rotatably connected to the slide plate 22, and a direction adjustment motor 29 is provided on the lower side of the rotating shaft 27. The rotating shaft 27 and the direction adjustment motor 29 are connected by a first gear set 28. At the same time, a sleeve 26 is rotatably provided on the outer side of the rotating shaft 27, and the sleeve 26 is connected to the fixed plate 24 through the support rod 25 on the lower side.

[0033] Specifically, the direction adjustment motor 29 and the first gear set 28 are each provided with two sets, which respectively drive the rotating shaft 27 to drive the door panel to flip forward and backward.

[0034] Specifically, the fixing plate 24 is configured as a right-angle plate structure, and the guide groove is configured as a T-shaped groove structure, and the upper side and the front and rear sides of the guide groove are in a notch-connected state.

[0035] ​Figure 4 In the embodiment, a guide groove 32 is provided inside the movable plate 31, and a limit slider 36 is slidably connected in the guide groove 32, a grinding motor 33 is connected to the inner side of the limit slider 36, and a grinding disc 34 is installed on the output shaft end of the grinding motor 33, a longitudinal screw rod 37 is connected to the outer side of the movable plate 31, and a driving block is connected to the outer side of the longitudinal screw rod 37, and the driving block is connected to the outer side of the limit slider 36, and a longitudinal motor 35 is connected to the front end of the longitudinal screw rod 37, and the longitudinal motor 35 is fixed to the outer wall of the movable plate 31.

[0036] Specifically, a screw hole connected to the longitudinal screw rod 37 is provided inside the driving block.

[0037] Specifically, the rear end of the longitudinal screw rod 37 is rotatably connected to a shaft seat plate, and the shaft seat plate is fixed to the outer wall of the movable plate 31.

[0038] As a preferred embodiment, by providing a longitudinal motor 35 and a longitudinal screw rod 37, the grinding disc 34 can realize linear reciprocating grinding in both the width and length directions of the steel fireproof door panel.

[0039] If Figure 1 and Figure 2 In the embodiment, the vertical slider 77 is slidably connected in the vertical track groove opened inside the side plate of the main frame 1, and the upper end of the vertical slider 77 is connected to the third cylinder 79, and a guide rod 78 is connected between the vertical sliders 77 on both sides, and the guide rod 78 slides through the screw block 76, and a smooth shaft section is provided in the middle of the double-screw screw 74, and a stable shaft plate 75 is rotatably connected to the outer side of the smooth shaft section, and an adjustment motor 72 is installed on the outer side of the stable shaft plate 75, and the adjustment motor 72 and the smooth shaft section are connected by a second gear set 73. At the same time, a cross bar 71 is connected to the upper end of the stable shaft plate 75, and both ends of the cross bar 71 are fixed to the upper end of the vertical slider 77.

[0040] Specifically, the track groove is set as a vertical dovetail groove, and the side where the vertical slider 77 is connected to the track groove is set as a dovetail block structure.

[0041] Specifically, the second gear set 73 has the same structure as the first gear set 28 and is configured as a structure of two upper and lower meshing gears.

[0042] During use, first insert the steel fireproof door panel vertically into the positioning frame, then start the second cylinder to drive the lifting plate to move upward, move the steel fireproof door panel between the two electromagnet clamping blocks, then start the first cylinder to drive the sliding plate to drive the rotating shaft to bring the electromagnet clamping blocks close to and contact both sides of the door panel, and at the same time energize the electromagnets to achieve the adsorption and clamping fixation of the door panel. Then start the third cylinder to drive the grinding assembly downward so that the grinding disc is in the position on both sides of the door panel. Then start the adjusting motor to drive the double-threaded screw rod to drive the grinding disc to move closer through the screw connection block until it contacts the door panel. Then start the grinding motor and the longitudinal movement motor to make the grinding disc rotate and grind while having the effect of reciprocating back and forth, thereby achieving the double-sided simultaneous grinding effect of the steel fireproof door and improving the grinding efficiency.

[0043] The grinding device for processing steel fireproof doors of the present utility model can effectively solve the problems of low grinding efficiency, inflexible grinding angle, and inconvenient installation and fixation existing in the existing grinding devices for steel fireproof doors. On the basis of the existing technology of grinding devices for processing steel fireproof doors, the efficiency of the grinding device is improved, and the grinding angle is flexibly adjustable, and it is convenient for the positioning and installation of steel fireproof doors.

Claims

1. A grinding device for processing a steel fire door, comprising: A main frame (1), a clamping assembly (2), a grinding assembly (3), an auxiliary installation assembly (4) and an adjustment assembly (7), characterized in that: a lifting plate (5) is slidably connected to the inner side of the main frame (1), and a second cylinder (6) is connected to the lower end of the lifting plate (5), and the auxiliary installation assembly (4) is fixed on the upper side of the lifting plate (5), the clamping assembly (2) is fixed on the inner side of the main frame (1), and the clamping assembly (2) is located on the upper side of the auxiliary installation assembly (4), and the clamping assembly (2) includes a fixed plate (24), a slide plate (22) is slidably connected to the upper side of the fixed plate (24), and a rotating shaft (27) is connected to the inner side of the slide plate (22), and the rotating shaft ( The inner side of the main frame (27) is connected to an electromagnet clamp (23), the grinding assembly (3) is arranged on the inner side of the main frame (1) and is located on the upper side of the clamping assembly (2), and the grinding assembly (3) includes a movable plate (31), and a grinding disc (34) is slidably connected to the inner side of the movable plate (31), the adjusting assembly (7) is connected to the upper end of the grinding assembly (3), and the adjusting assembly (7) includes a vertical slider (77) slidably connected to the inner wall of the main frame (1), and a double-screw screw (74) is rotatably connected between the vertical sliders (77), and a screw block (76) is screwed on the outer side of the double-screw screw (74), and the screw block (76) is fixedly connected to the movable plate (31).

2. A grinding device for processing a steel fire door according to claim 1, characterized in that: The installation auxiliary component (4) comprises a positioning frame (41) fixed to the middle of the upper side of the lifting plate (5), and the positioning frame (41) is set as a U-shaped structure, and a roller (42) is provided at the inner bottom of the positioning frame (41).

3. A grinding device for processing a steel fire door according to claim 2, characterized in that: A guide wheel (43) is provided inside the positioning frame (41), and a slide bar (45) is connected to the outside of the guide wheel (43). The slide bar (45) slides horizontally through the side wall of the positioning frame (41), and a spring (44) is sleeved on the outside of the slide bar (45) and between the inner wall of the positioning frame (41) and the guide wheel (43).

4. A grinding device for processing a steel fire door according to claim 3, characterized in that: The outer end of the sliding rod (45) is connected to a limiting rod (46), and a rotating handle screw rod (47) is screwed inside the limiting rod (46), and the inner side end of the rotating handle screw rod (47) is rotatably connected to the outer wall of the positioning frame (41).

5. A grinding device for processing a steel fire door according to claim 1, characterized in that: The fixed plate (24) is fixed to the inner plate wall of the main frame (1), and a through guide groove is provided inside the fixed plate (24). The slide plate (22) is slidably connected to the fixed plate (24) via a guide block inside the guide groove, and a first cylinder (21) is connected to the outside of the slide plate (22).

6. A grinding device for processing a steel fire door according to claim 1, characterized in that: The outer end of the rotating shaft (27) is rotatably connected to the slide plate (22), and a direction adjustment motor (29) is provided on the lower side of the rotating shaft (27), and the rotating shaft (27) and the direction adjustment motor (29) are transmission-connected via a first gear set (28), and a shaft sleeve (26) is rotatably sleeved on the outer side of the rotating shaft (27), and the shaft sleeve (26) is connected to the fixed plate (24) via a support rod (25) on the lower side.

7. A grinding device for processing a steel fire door according to claim 1, characterized in that: A guide groove (32) is provided inside the movable plate (31), and a limit slider (36) is slidably connected in the guide groove (32). A grinding motor (33) is connected inside the limit slider (36), and a grinding disc (34) is installed at the output shaft end of the grinding motor (33).

8. A grinding device for processing a steel fire door according to claim 1, characterized in that: The outer side of the movable plate (31) is connected to a longitudinal screw rod (37), and the outer side of the longitudinal screw rod (37) is connected to a driving block, and the driving block is connected to the outer side of the limit slider (36), and the front end of the longitudinal screw rod (37) is connected to a longitudinal movement motor (35), and the longitudinal movement motor (35) is fixed to the outer wall of the movable plate (31).

9. A grinding device for processing a steel fire door according to claim 1, characterized in that: The vertical slider (77) is slidably connected in a vertical track groove opened inside the side plate of the main frame (1), and the upper end of the vertical slider (77) is connected to a third cylinder (79), and a guide rod (78) is connected between the vertical sliders (77) on both sides, and the guide rod (78) slides through the screw block (76).

10. A grinding device for processing a steel fire door according to claim 1, characterized in that: A smooth shaft section is provided in the middle of the double-thread screw rod (74), and a stabilizing shaft plate (75) is rotatably connected to the outer side of the smooth shaft section, and an adjusting motor (72) is installed on the outer side of the stabilizing shaft plate (75), and the adjusting motor (72) and the smooth shaft section are transmission-connected via a second gear set (73), and a cross bar (71) is connected to the upper end of the stabilizing shaft plate (75), and both ends of the cross bar (71) are fixed to the upper ends of the vertical slider (77).

Citation Information

Patent Citations

  • Deburring device for steel door machining

    CN213702811U

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