CN212824365U

CN212824365U - Fire door fillet grinding device

Info

Publication number: CN212824365U
Application number: CN202020891127.8U
Authority: CN
Inventors: 刘洋; 刘邦
Original assignee: CHONGQING ZHIWEI INDUSTRY Ltd BY SHARE Ltd
Current assignee: CHONGQING ZHIWEI INDUSTRY Ltd BY SHARE Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-30
Anticipated expiration: 2030-05-25

Abstract

The utility model belongs to the technical field of fire-proof equipment makes, specifically disclose a prevent fire door fillet grinding device, which comprises a frame and a processing platform, be equipped with grinding machanism in the frame, grinding machanism is located the side of processing platform, grinding machanism includes incomplete gear, the runner, the connecting rod, swinging arms and emery wheel, runner and incomplete gear engagement, the connecting rod is articulated with the terminal surface edge of runner, swinging arms one end is articulated with one side of processing platform, processing platform and fixedly connected with slider are kept away from to the other end of swinging arms, the one end that the runner was kept away from to the slider and connecting rod is articulated, the emery wheel is towards one side fixed connection of processing platform with the slider, the orbit that the emery wheel removed with prevent fire door fillet in the same centre of a circle, all be equipped. Adopt this technical scheme, realize polishing to fire door's fillet through grinding machanism, utilize adjustment mechanism indirect regulation different fillet sizes of polishing simultaneously.

Description

Fire door fillet grinding device

Technical Field

The utility model belongs to the technical field of fire-proof equipment makes, a prevent fire door fillet grinding device is related to.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like; the fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

In the production process of the fireproof door, different processing is carried out on the door plate according to different requirements, the side edge of the door plate needs to be set into a circular arc shape in the production and processing process of some fireproof door plates, circular arc transition is made at the position of structural mutation, stress can be evacuated along the normal direction of the circular arc, and the probability of crack generation of the door plate is reduced. After the side edge of the fireproof door panel is processed into the arc surface, the arc surface needs to be polished into a smooth surface. The existing polishing mode is mainly that workers polish manually through abrasive paper, the polishing mode increases the labor intensity of the workers, and the polishing effect is poor. Other mechanical polishing devices are generally fixed in the polishing size of the fillet, and cannot polish fillets of different sizes. Like patent No. 2019107992797, provide a fire door fillet grinding device, through the cooperation of gear and rack to the bistrique that drives grinding motor polishes along the arcwall face of door plant, the size of gear and rack is fixed, can only polish to the fillet of a size, has restricted the application range of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent fire door fillet grinding device realizes polishing to preventing the automation of fire door fillet, can adjust the fillet size of polishing simultaneously, realizes polishing the fillet of unidimensional not, enlarges the application range of device.

In order to achieve the above object, the basic scheme of the utility model is: a fire door fillet grinding device comprises a frame and a processing table for placing a fire door, wherein the frame is positioned at the side edge of the processing table, a grinding mechanism is arranged on the frame, the grinding mechanism comprises an incomplete gear, a rotating wheel, a connecting rod, a swinging rod and a grinding wheel, the incomplete gear is connected with a power source for controlling the rotation of the incomplete gear, the rotating wheel is meshed with the incomplete gear, the end face of the rotating wheel is parallel to the processing table, one end of the connecting rod is hinged with the edge of the end face of the rotating wheel, one end of the swinging rod is hinged with one side of the processing table, one end of the swinging rod far away from the processing table is hinged with one end of the connecting rod far away from the rotating wheel, the grinding wheel and the swinging rod are fixedly connected with one side far away from the processing table, the grinding wheel is opposite to a fire door fillet on the processing table, the moving track of the grinding wheel is concentric with the fire door fillet, and adjusting mechanisms for adjusting the length of the rod body are arranged on the connecting rod and the swinging rod.

The working principle and the beneficial effects of the basic scheme are as follows: the power supply can order about incomplete gear revolve, and incomplete gear revolve can drive runner intermittent type nature and rotate, and constitutes the structure of similar crank rocker between runner, connecting rod and swinging arms, thereby runner intermittent type nature rotates and drives swinging arms intermittent type nature swing, provides sufficient time for the material loading unloading of processing bench. The emery wheel is connected to the swing end of swinging arms, and the swinging arms can drive the emery wheel and swing in step promptly, will prevent that fire door places on the processing bench simultaneously, and the operator promotes prevents fire door, makes the fillet and the emery wheel of preventing fire door offset, and then the emery wheel can be polished along the fillet radian of door plant. And the length of connecting rod and swinging rod can be adjusted to this realization is to the regulation of the length of the swing radian of swinging rod and swing angle size, makes the swinging rod swing radian transform size, drives the route change of polishing of emery wheel, polishes with the fillet that adapts to different sizes.

Further comprises a positioning mechanism, the positioning mechanism comprises a bevel gear, a vertical rod, a cross rod, a sector gear and a pressure rod, the bevel gear is vertical to the processing table, the bevel gear is positioned on one side of the incomplete gear far away from the rotating wheel, the length of the circumference of the bevel gear is equal to the length of a curved surface of the incomplete gear, the bevel gear can be meshed with the incomplete gear, the bevel gear is provided with an anti-reversion mechanism, one end of the vertical rod is hinged with the edge of the end face of the bevel gear, the other end of the vertical rod extends upwards to be hinged with one end of the cross rod, the other end of the cross rod is fixedly connected with the sector gear, the rod body of the cross rod, which is close to one end of the sector gear, is rotatably connected with the frame, the pressure lever is vertical to the processing table and is opposite to the end surface of the processing table, one side of the pressure lever close to the sector gear is provided with a rack, the rack is meshed with the sector gear, and one end of the pressure lever, which is far away from the processing table, is fixedly connected with an elastic piece.

The bevel gears, the vertical rods and the transverse rods form a structure similar to a crank rocker, the transverse rods swing to drive the sector gears to swing, and the sector gears are meshed with racks of the pressure rods so as to drive the pressure rods to move up and down. The bevel gear is meshed with the incomplete gear, so that the bevel gear can intermittently rotate, and in addition, the bevel gear is opposite to the rotating wheel, so that when the incomplete gear drives the bevel gear to rotate, the rotating wheel is in a stop state, and vice versa.

When positioning mechanism fixes a position fire door, the runner indirectly drives the grinding wheel and polishes the fillet of preventing fire door, and incomplete gear revolve and bevel gear meshing and when the runner stall, the length of bevel gear's girth equals with the length of the curved surface that is provided with the teeth of a cogwheel on the incomplete gear in addition, bevel gear can indirectly drive the depression bar and remove to the one side of keeping away from the processing platform and will prevent fire door and take out, puts the processing platform with new fire door again and bevel gear drives the depression bar and supports to press the location to the PLASTIC LAMINATED downwards. The elastic component can provide the effort that removes to the PLASTIC LAMINATED place side to the depression bar, makes the depression bar more inseparable with prevent that fire door extrusion, more is favorable to fixing a position preventing fire door.

Further, adjustment mechanism includes the pivot, be equipped with the screw hole on the both ends face of pivot, the connecting rod includes pole one and pole two, and the one end of pole one is articulated with the runner, and the other end of pole one is equipped with the external screw thread with epaxial screw hole threaded connection, and the one end of pole two is articulated with the slider, and the other end of pole two is equipped with the external screw thread the same with pole one, and the pivot is respectively with pole one and two threaded connection of pole, the structure of swinging arms is the same with the connecting rod, and also the structure of being connected with the pivot is the same.

The rotating shaft is rotated, and the connecting rod or the swinging rod connected with the rotating shaft does not rotate, so that the rotating shaft and the connecting rod or the swinging rod connected correspondingly can generate thread transmission, the first rod and the second rod can generate relative displacement with a threaded hole in the rotating shaft, and the length of the connecting rod or the swinging rod can be adjusted.

Further, the circumference of the rotating wheel is at most equal to twice the length of the curved surface of the incomplete gear provided with the gear teeth.

When the girth of runner equals the length that is provided with the curved surface of the teeth of a cogwheel on the incomplete gear just like this, incomplete gear revolve a week, and the teeth of a cogwheel on the incomplete gear can drive the runner and rotate the half week, indirectly drives the swinging arms swing promptly once, accomplishes polishing once to preventing fire door fillet, and the runner rotational speed is slower relatively, and the swinging arms swing more steadily, reinforcing means stability of operation. And when the runner girth is less than the twice of the length that is provided with the curved surface of the teeth of a cogwheel on the incomplete gear, if the runner girth equals the length that is provided with the curved surface of the teeth of a cogwheel on the incomplete gear, then incomplete gear rotates a week and drives the runner and rotate a week, the swinging arms can swing twice promptly, and the emery wheel is polished twice to the fillet of preventing fire door, and it increases to polish this moment, realizes polishing fully to preventing fire door fillet, reinforcing polishing effect.

Furthermore, one end of the pressing rod, which is close to the processing table, is fixedly connected with a pressing plate, and the pressing plate is perpendicular to the pressing rod.

The area of clamp plate is big than the tip area of depression bar, has increased with the processing bench prevent fire door's area of contact, and the clamp plate is more stable to preventing fire door's pressure effect.

Furthermore, the processing platform is provided with a limiting groove for limiting the fire door fillet to be concentric with the running track of the grinding wheel, and one side of the limiting groove, which is close to the grinding mechanism, extends to the edge of the processing platform.

The spacing groove utilizes to prevent that fire door on the processing bench carries on spacingly, is more convenient for confirm the locating position for prevent the speed of fire door location.

Drawings

Fig. 1 is a top view of an embodiment of a fire door fillet grinding device of the present invention;

figure 2 is the utility model relates to a prevent fire door fillet grinding device embodiment's elevation view.

Reference numerals in the drawings of the specification include: the device comprises a processing table 1, a limiting groove 2, an incomplete gear 3, a rotating wheel 4, a connecting rod 5, a swinging rod 6, a grinding wheel 7, a bevel gear 8, a vertical rod 9, a cross rod 10, a sector gear 11, a pressure rod 12, a pressure plate 13, a rotating shaft 14, a compression spring 15 and a positioning pipe 16.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1: the utility model discloses a prevent fire door fillet grinding device, including frame (not shown in the figure) and be used for placing the processing platform 1 who prevents fire door, the frame is located the side of processing platform 1, is equipped with grinding machanism in the frame. The processing table 1 is provided with a limiting groove 2, and one side of the limiting groove 2 close to the polishing mechanism extends to the edge of the processing table 1.

The grinding mechanism comprises an incomplete gear 3, a rotating wheel 4, a connecting rod 5, a swinging rod 6 and a grinding wheel 7, the incomplete gear 3 is rotatably connected with the rack, the incomplete gear 3 is connected with a power source for controlling the rotation of the incomplete gear, and a motor is preferably used as the power source. The rotating wheel 4 is meshed with the incomplete gear 3, the rotating wheel 4 is rotationally connected with the rack, the end face of the rotating wheel 4 is parallel to the processing table 1, and the circumference of the rotating wheel 4 is at most equal to twice of the length of a curved surface provided with gear teeth on the incomplete gear 3. One end of the connecting rod 5 is hinged with the edge of the end face of the rotating wheel 4, one end of the swinging rod 6 is hinged with one side of the processing table 1, and one end of the swinging rod 6, far away from the processing table 1, is hinged with one end of the connecting rod 5, far away from the rotating wheel 4. The grinding wheel 7 is connected with a rotating motor for controlling the rotation of the grinding wheel 7, the grinding wheel 7 and the swinging rod 6 are welded on one side far away from the processing table 1, the grinding wheel 7 is right opposite to a fire door fillet on the processing table 1, the moving track of the grinding wheel 7 is concentric with the fire door fillet, and adjusting mechanisms for adjusting the length of the rod body are arranged on the connecting rod 5 and the swinging rod 6.

In this embodiment, a positioning mechanism is further included, as shown in fig. 1 and 2, the positioning mechanism includes a bevel gear 8, a vertical rod 9, a cross rod 10, a sector gear 11 and a pressure lever 12. The bevel gear 8 is perpendicular to the processing table 1, the bevel gear 8 is rotatably connected with the rack, the bevel gear 8 is positioned on one side of the incomplete gear 3, which is far away from the rotating wheel 4, the length of the perimeter of the bevel gear 8 is equal to the length of a curved surface of the incomplete gear 3, which is provided with gear teeth, and the bevel gear 8 can be meshed with the incomplete gear 3. One end of a vertical rod 9 is hinged with the edge of the end face of the bevel gear 8, the other end of the vertical rod 9 extends upwards to be hinged with one end of a cross rod 10, the other end of the cross rod 10 is integrally connected with a sector gear 11, and a rod body of the cross rod 10 close to one end of the sector gear 11 is hinged with the rack. The pressing rod 12 is perpendicular to the processing table 1 and is opposite to the end face of the processing table 1, a rack is arranged on one side of the pressing rod 12 close to the sector gear 11, and the rack is meshed with the sector gear 11. The pressing plate 13 is welded at one end of the pressing rod 12 close to the processing table 1, the pressing plate 13 is perpendicular to the pressing rod 12, an elastic piece is arranged at one end of the pressing rod 12 far away from the processing table 1, the elastic piece is preferably a compression spring 15 with strong elasticity, one end of the compression spring 15 is welded with the rack, and the other end of the compression spring is welded with the pressing rod 12. The positioning pipe 16 is arranged on the rod body of the compression rod 12 on the side close to the compression spring 15, the positioning pipe 16 is perpendicular to the processing table 1, the outer wall of the positioning pipe 16 is welded with the rack, the compression rod 12 penetrates through the positioning pipe 16, and the positioning pipe 16 ensures that the compression rod 12 is always in a vertical state.

The adjusting mechanism comprises a rotating shaft 14, threaded holes are formed in two end faces of the rotating shaft 14, the connecting rod 5 comprises a first rod and a second rod, one end of the first rod is hinged to the rotating wheel 4, an external thread connected with the threaded hole in the rotating shaft 14 is arranged at the other end of the first rod, one end of the second rod is hinged to the sliding block, an external thread identical to the first rod is arranged at the other end of the second rod, the rotating shaft 14 is respectively connected with the first rod and the second rod in a threaded mode, and the oscillating rod 6 is identical in structure to the connecting rod 5 and also identical in structure to the rotating shaft 14.

The specific operation process comprises the following steps: the motor is started, the motor drives the incomplete gear 3 to rotate, the incomplete gear 3 rotates and is firstly meshed with the bevel gear 8, the bevel gear 8 controls the sector gear 11 to swing through the vertical rod 9 and the cross rod 10, the sector gear 11 swings upwards firstly, and the compression bar 12 is driven to move upwards. At this time, the fireproof door is placed on the processing table 1, and the operator pushes the fireproof door to enable the fillet of the fireproof door to abut against the grinding wheel 7. The bevel gear 8 continues to rotate, the sector gear 11 is controlled to swing downwards, the compression rod 12 is driven to move downwards to compress the fireproof door, meanwhile, the compression spring 15 applies pressure to the compression rod 12, and the positioning effect of the compression rod 12 on the fireproof door is guaranteed.

The partial gear 3 then continues to rotate, the teeth on the partial gear 3 are moved away from the bevel gear 8, and the partial gear 3 is now in engagement with the wheel 4. Incomplete gear 3 drives runner 4 and rotates, runner 4 passes through 5 control swinging arms 6 swings of connecting rod, 6 swings of swinging arms drive emery wheel 7 on the swinging arms 6 and remove along preventing fire door's fillet radian, the rotation motor that emery wheel 7 is connected is in the open mode, emery wheel 7 removes and polishes the fillet of preventing fire door, keep away from runner 4 until the teeth of a cogwheel on incomplete gear 3, and mesh with bevel gear 8 again, repeat the above-mentioned operation, will prevent that fire door takes off from processing platform 1, place new treating to process on processing platform 1 again and prevent fire door.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A fire door fillet grinding device is characterized by comprising a frame and a processing table for placing a fire door, the frame is positioned at the side edge of the processing table, the frame is provided with a grinding mechanism, the grinding mechanism comprises an incomplete gear, a rotating wheel, a connecting rod, a swinging rod and a grinding wheel, the incomplete gear is connected with a power source for controlling the incomplete gear to rotate, the rotating wheel is meshed with the incomplete gear, the end surface of the rotating wheel is parallel to the processing table, one end of the connecting rod is hinged with the edge of the end surface of the rotating wheel, one end of the swinging rod is hinged with one side of the processing table, one end of the swinging rod far away from the processing table is hinged with one end of the connecting rod far away from the rotating wheel, the grinding wheel and the swinging rod are fixedly connected with one side far away from the processing table, the grinding wheel is opposite to a fire door fillet on the processing table, the moving track of the grinding wheel is concentric with the fire door fillet, and adjusting mechanisms for adjusting the length of the rod body are arranged on the connecting rod and the swinging rod.

2. The fire door fillet grinding device according to claim 1, further comprising a positioning mechanism, wherein the positioning mechanism comprises a bevel gear, a vertical rod, a horizontal rod, a sector gear and a pressure rod, the bevel gear is perpendicular to the processing table, the bevel gear is located on the side of the incomplete gear away from the rotating wheel, the circumference of the bevel gear is equal to the length of the curved surface of the incomplete gear, the bevel gear can be meshed with the incomplete gear, the bevel gear is provided with an anti-reverse mechanism, one end of the vertical rod is hinged with the edge of the end face of the bevel gear, the other end of the vertical rod extends upwards to be hinged with one end of the horizontal rod, the other end of the horizontal rod is fixedly connected with the sector gear, the rod body of the horizontal rod, which is close to one end of the sector gear, is rotatably connected with the frame, the pressure, the rack is meshed with the sector gear, and one end of the pressure lever, which is far away from the processing table, is fixedly connected with an elastic piece.

3. The fire door fillet grinding device of claim 1, wherein the adjusting mechanism comprises a rotating shaft, threaded holes are formed in two end faces of the rotating shaft, the connecting rod comprises a first rod and a second rod, one end of the first rod is hinged to the rotating wheel, the other end of the first rod is provided with an external thread which is in threaded connection with the threaded holes in the rotating shaft, one end of the second rod is hinged to the sliding block, the other end of the second rod is provided with an external thread which is the same as that of the first rod, the rotating shaft is in threaded connection with the first rod and the second rod respectively, and the oscillating rod is the same as the connecting rod and is also in connection with the rotating shaft.

4. The fire door corner rounding device according to claim 2, wherein the circumference of said runner is at most equal to twice the length of the curved surface of the partial gear on which the gear teeth are provided.

5. The fire door corner rounding device of claim 2, wherein a pressing plate is fixedly attached to an end of said pressing rod near the processing station, said pressing plate being perpendicular to said pressing rod.

6. The fire door fillet grinding device as recited in claim 1, wherein the processing platform is provided with a limiting groove for limiting the fire door fillet to be concentric with the grinding wheel running track, and one side of the limiting groove close to the grinding mechanism extends to the edge of the processing platform.