阅读说明：本技术 一种epp汽车保险杠的多角度便捷式修边装置 (Multi-angle portable deburring device of EPP car bumper ) 是由 张烨美 颜颖莹 李金忠 李睿忠 李飞忠 李盛玲 李春玲 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种EPP汽车保险杠的多角度便捷式修边装置,属于EPP汽车保险杠领域,包括底板,所述底板的顶面上对称固定有两个固定架,其中一个所述固定架的上端安装有第一定位器,另一个所述固定架的上端安装有第二定位器,所述第一定位器与第二定位器共同夹持有保险杠。本发明可对保险杠实现稳定夹持,打磨时对打磨辊进行引导和限位,打磨辊沿着保险杠的表面进行移动式且高精度的打磨,调节机构调节保险杠的角度,打磨辊可对保险杠的各个侧面进行打磨,降低打磨死角,提高打磨范围和效率,设置环形管、双头吸嘴并配合吸尘器的负压吸引,对打磨产生的灰尘进行吸附,避免空气污染。(The invention discloses a multi-angle portable trimming device for an EPP (electronic product placement) automobile bumper, which belongs to the field of EPP automobile bumpers and comprises a bottom plate, wherein two fixing frames are symmetrically fixed on the top surface of the bottom plate, a first positioner is installed at the upper end of one fixing frame, a second positioner is installed at the upper end of the other fixing frame, and the first positioner and the second positioner jointly clamp the bumper. The bumper polishing device can stably clamp a bumper, guide and limit the polishing roller during polishing, movably polish along the surface of the bumper with high precision, adjust the angle of the bumper by the adjusting mechanism, and polish all side surfaces of the bumper by the polishing roller, thereby reducing polishing dead angles, improving polishing range and efficiency.)

1. The multi-angle portable trimming device for the EPP automobile bumper comprises a bottom plate (1) and is characterized in that two fixing frames (2) are symmetrically fixed on the top surface of the bottom plate (1), one fixing frame (2) is provided with a first positioner at the upper end, the other fixing frame (2) is provided with a second positioner at the upper end, the first positioner and the second positioner jointly clamp a bumper (3), the first positioner and the second positioner respectively comprise a fixing ring (4), a rotating ring (5) and a plurality of positioning screw rods (6), each fixing ring (4) is fixed with the fixing frame (2), each rotating ring (5) is rotatably installed in the middle of the fixing ring (4), each positioning screw rod (6) respectively penetrates through the rotating ring (5) and is installed with the screw threads of the rotating ring (5), the first positioner further comprises a gear ring (7) fixed on the outer wall of the rotating ring (5), the gear ring (7) is driven by an adjusting mechanism (8);

the symmetry is fixed with two balladeur train (9), two on the top surface of bottom plate (1) the common slidable mounting of balladeur train (9) has two slide rails (12), every the upside of slide rail (12) all slides and is equipped with two bracing pieces (13), two wherein one end of balladeur train (9) is overlapped respectively and is equipped with spring (11), two the one end of spring (11) all is fixed with one side of same slide rail (12), the middle part symmetrical cover of bumper (3) is equipped with two support rings (14), two support ring (14) are through connecting rod (15) fixed connection, every the inboard of support ring (14) all is equipped with grinding machanism.

2. The multi-angle portable trimming device for EPP vehicle bumpers according to claim 1, characterized in that the grinding mechanisms respectively comprise a rotating shaft (19), hanging brackets (18) are respectively arranged at two ends of the rotating shaft (19) in a rotating way, the two hanging brackets (18) are respectively fixed with the supporting ring (14), one end of the rotating shaft (19) is fixed with the driving end of the grinding motor (16), a plurality of grinding rollers (17) and guide pulleys (20) are arranged on the rotating shaft (19), the grinding rollers (17) and the guide pulleys (20) are arranged at intervals, the grinding rollers (17) are fixedly arranged with the rotating shaft (19), the guide pulleys (20) are rotatably arranged with the rotating shaft (19) through bearings (21), the outer diameter of the guide pulley (20) is not less than the outer diameter of the grinding roller (17), the surface of the guide pulley (20) is mutually attached to the surface of the bumper (3).

3. The multi-angle portable trimming device for the EPP automobile bumper according to claim 1, wherein the adjusting mechanism (8) comprises a gear (801), the gear (801) is meshed with the gear ring (7), one side of the gear (801) is fixedly connected with a worm wheel (802) through a shaft rod, the shaft rod is rotatably installed with the outer wall of the fixing ring (4) through a rotating seat, a worm (803) meshed with the worm wheel (802) is arranged on the lower side of the worm wheel (802), the worm (803) is installed at one end of a rotating shaft (804), the rotating shaft (804) is rotatably installed with the outer wall of the fixing ring (4) through the rotating seat, and a knob (805) is installed at one end of the rotating shaft (804).

4. The multi-angle portable trimming device for the EPP automobile bumper according to claim 1, wherein the carriage (9) is of an inverted U-shaped structure, sliding sleeves (10) are fixed on the lower sides of both ends of the sliding rail (12), and the sliding rail (12) is slidably mounted with the carriage (9) through the sliding sleeves (10).

5. The multi-angle portable trimming device for the EPP automobile bumper according to claim 1, characterized in that one end of the positioning screw rod (6) extends to the inner side of the rotating ring (5) and is provided with a rubber pad, and the other end of the positioning screw rod (6) extends to the outer side of the rotating ring (5) and is provided with a rotating head.

6. The multi-angle portable trimming device for the EPP vehicle bumper according to any one of the claims 1 to 5, characterized in that the outside of the bumper (3) is sleeved with an annular tube (23), the annular tube (23) is positioned between two support rings (14), the annular tube (23) and the connecting rod (15) are fixedly installed, the annular tube (23) is connected with a dust collector (24) through a connecting hose (25), and the inner side of the annular tube (23) is installed with a plurality of double-head suction nozzles (26).

7. The multi-angle portable trimming device for the EPP automobile bumper according to claim 6, wherein each double-end suction nozzle (26) comprises an air pipe fixed with the inner side of the annular pipe (23), the air pipe is in a Y-shaped structure, one end of the air pipe is fixed with the annular pipe (23) and communicated with the inner part of the annular pipe, and the other two ends of the air pipe are provided with suction nozzles.

8. The EPP bumper multi-angle portable trimming device according to claim 6, wherein the dust collector (24) is fixedly mounted with the base plate (1) through the support table (22).

Technical Field

The invention relates to the technical field of EPP automobile bumpers, in particular to a multi-angle portable trimming device for an EPP automobile bumper.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive.

EPP is the abbreviation of expanded polypropylene, is a short for novel foam plastic, is an ideal material of an automobile bumper, can reduce oil consumption and plays a certain role in protecting pedestrians. In EPP bumper processing, the EPP beads have some flashing at the edges after molding into the bumper in the mold of the molding machine.

Through the retrieval, chinese patent No. CN 109015285 a discloses an trimming device of EPP car bumper, the power distribution box comprises a box body, fixedly connected with first flat board, the second flat board in proper order between the relative both sides of box inner wall, the both sides at first flat board top are rotated in proper order and are connected with first driving shaft, first driven shaft, the fixed surface of first driving shaft is connected with first action wheel, the fixed surface of first driven shaft is connected with first follow driving wheel, the transmission is connected with first conveyer belt between first action wheel and the first follow driving wheel, box inner wall both sides are rotated through the base and are connected with the threaded rod, the surperficial threaded connection of threaded rod has the movable block, the bottom fixedly connected with grinding device of movable block.

The trimming device in the prior art still has the following technical defects in actual use: when the trimming device polishes the bumper, the bumper needs to be conveyed to the polishing device, operation is inconvenient, the bumper cannot be polished accurately according to the appearance characteristics of the bumper during polishing, polishing accuracy is low, polishing effect is poor, each side surface of the bumper cannot be polished during polishing, and a plurality of polishing dead corners exist.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a multi-angle portable trimming device for an EPP automobile bumper.

In order to achieve the purpose, the invention adopts the following technical scheme:

the multi-angle portable trimming device for the EPP automobile bumper comprises a bottom plate, wherein two fixing frames are symmetrically fixed on the top surface of the bottom plate, a first positioner is installed at the upper end of one fixing frame, a second positioner is installed at the upper end of the other fixing frame, the bumper is clamped by the first positioner and the second positioner together, the first positioner and the second positioner respectively comprise a fixing ring, a rotating ring and a plurality of positioning screw rods, each fixing ring is fixed with the fixing frame, each rotating ring is rotatably installed in the middle of the fixing ring, each positioning screw rod penetrates through the rotating ring and is in threaded installation with the rotating ring, the first positioner further comprises a gear ring fixed on the outer wall of the rotating ring, and the gear ring is transmitted through an adjusting mechanism;

the symmetry is fixed with two balladeur trains, two on the top surface of bottom plate the common slidable mounting of balladeur train has two slide rails, every the upside of slide rail all slides and is equipped with two bracing pieces, two one of them one end of balladeur train is overlapped respectively and is equipped with the spring, two the one end of spring all is fixed with one side of same slide rail, the middle part symmetrical cover of bumper is equipped with two support rings, two the support ring passes through connecting rod fixed connection, every the inboard of support ring all is equipped with grinding machanism.

Further, grinding machanism all includes the pivot, the both ends of pivot are all rotated there is the gallows, two the gallows all is fixed with the support ring, the one end of pivot is fixed with grinding motor's drive end, install a plurality of grinding roller and leading pulley in the pivot, grinding roller and leading pulley interval set up, grinding roller all with pivot fixed mounting, leading pulley all rotates the installation through bearing and pivot, leading pulley's external diameter is not less than the external diameter of grinding roller, the surface of leading pulley and the surface of bumper are laminated each other.

Further, adjustment mechanism includes the gear, gear and ring gear intermeshing, axostylus axostyle fixedly connected with worm wheel is passed through to one side of gear, and the axostylus axostyle rotates the installation through the outer wall that rotates seat and solid fixed ring, the downside of worm wheel is equipped with rather than the worm of meshing, the one end at the pivot is installed to the worm, the pivot is installed through the outer wall rotation of rotating seat and solid fixed ring, the knob is installed to the one end of pivot.

Further, the balladeur train is the structure of falling U-shaped, the downside at slide rail both ends all is fixed with the sliding sleeve, the slide rail passes through sliding sleeve and balladeur train slidable mounting.

Further, the one end of positioning screw rod extends and installs the rubber pad to the inboard of swivel becket, the other end of positioning screw rod extends to the outside of swivel becket and installs the swivel head.

Another object of the invention is: when the bumper is polished, dust generated by polishing is absorbed, and air pollution is reduced, so that the invention provides the following technical scheme on the basis of the technical scheme:

further, the outside cover of bumper is equipped with the annular tube, the annular tube is located between two support rings, and annular tube and connecting rod fixed mounting, the annular tube is connected with the dust catcher through coupling hose, a plurality of double-end suction nozzles are installed to the inboard of annular tube.

Further, every the double-end suction nozzle all includes the trachea of fixing with the annular tube inboard, the trachea is Y font structure, tracheal one end is fixed with the annular tube and rather than inside intercommunication, the suction nozzle is all installed at tracheal other both ends.

Furthermore, the dust collector is fixedly installed with the bottom plate through the support table.

Compared with the prior art, the invention has the beneficial effects that:

1. the bumper polishing device can conveniently and stably clamp and fix the bumper through the first positioner and the second positioner, the polishing roller is guided and limited by the guide pulley during polishing, so that the polishing roller can perform movable and high-precision polishing along the surface of the bumper, and the angle of the bumper can be adjusted through the adjusting mechanism during polishing, so that the polishing roller can precisely polish all side surfaces of the bumper, polishing dead corners are reduced, and the polishing range and efficiency are improved.

2. According to the invention, the annular pipe and the plurality of double-head suction nozzles are arranged, and the negative pressure suction of the dust collector is utilized, so that dust generated during polishing can be adsorbed, and the double-head suction nozzles have the structural characteristics that the adsorption is more comprehensive, the adsorption effect is improved, and the air pollution is avoided.

In conclusion, the bumper can be clamped and fixed conveniently and stably, the grinding roller is guided and limited by the guide pulley during grinding, the grinding roller can carry out movable and high-precision grinding along the surface of the bumper, the angle of the bumper is adjusted by the adjusting mechanism, the grinding roller can grind each side face of the bumper, the grinding dead angle is reduced, the grinding range and efficiency are improved, the annular pipe and the double-head suction nozzle are arranged, and dust generated by grinding is adsorbed by negative pressure suction of the dust collector, so that air pollution is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first positioner according to the present invention;

FIG. 3 is a schematic structural view of a second positioner of the present invention;

FIG. 4 is a schematic view of the mounting of the slide rail and the carriage according to the present invention;

FIG. 5 is a schematic view of the mounting of the grinding mechanism and support ring of the present invention;

FIG. 6 is a schematic view of the installation of the grinding roller, the guide pulley and the rotating shaft in the present invention;

FIG. 7 is a schematic overall structure diagram of a second embodiment of the present invention;

FIG. 8 is a view showing the positional relationship between the ring tube and the support ring and the connecting rod in the present invention;

FIG. 9 is a schematic view of the installation of the double-ended suction nozzle and the annular tube in the present invention.

In the figure: 1 bottom plate, 2 fixed frames, 3 bumpers, 4 fixed rings, 5 rotating rings, 6 positioning screw rods, 7 gear rings, 8 adjusting mechanisms, 801 gears, 802 worm wheels, 803 worms, 804 rotating shafts, 805 knobs, 9 sliding carriages, 10 sliding sleeves, 11 springs, 12 sliding rails, 13 supporting rods, 14 supporting rings, 15 connecting rods, 16 grinding motors, 17 grinding rollers, 18 hanging frames, 19 rotating shafts, 20 guide pulleys, 21 bearings, 22 supporting tables, 23 annular pipes, 24 dust collectors, 25 connecting hoses and 26 double-head suction nozzles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-6, a multi-angle portable trimming device for an EPP bumper comprises a base plate 1, two fixing frames 2 symmetrically fixed on the top surface of the base plate 1, first locator is installed to the upper end of one of them mount 2, the second locator is installed to the upper end of another mount 2, first locator and the common centre gripping of second locator have bumper 3, first locator and second locator all include a solid fixed ring 4, a swivel ring 5 and a plurality of location lead screw 6, every solid fixed ring 4 all is fixed with mount 2, every swivel ring 5 all rotates the middle part of installing at solid fixed ring 4, every location lead screw 6 all runs through swivel ring 5 and rather than the threaded mounting, the one end of location lead screw 6 extends and installs the rubber pad to the inboard of swivel ring 5, the other end of location lead screw 6 extends to the outside of swivel ring 5 and installs the rotor head.

Bumper 3 erects on the mount 2 of both sides through first locator and second locator jointly, locks the location through rotating positioning screw 6 to bumper 3.

The first positioner also comprises a gear ring 7 fixed on the outer wall of the rotating ring 5, and the gear ring 7 is driven by an adjusting mechanism 8; the adjusting mechanism 8 comprises a gear 801, the gear 801 is meshed with the gear ring 7, a worm wheel 802 is fixedly connected to one side of the gear 801 through a shaft rod, the shaft rod is rotatably mounted on the outer wall of the fixing ring 4 through a rotating seat, a worm 803 meshed with the worm wheel 802 is arranged on the lower side of the worm wheel 802, the worm 803 is mounted at one end of a rotating shaft 804, the rotating shaft 804 is rotatably mounted on the outer wall of the fixing ring 4 through the rotating seat, and a knob 805 is mounted at one end of the rotating shaft 804.

The rotating shaft 804 is rotated through the knob 805, the worm wheel 802, the shaft lever and the gear 801 are driven to rotate through the meshing of the worm 803, the gear 801 can be meshed to drive the gear ring 7, and the gear ring 7 is fixed with the rotating ring 5, so that the rotating ring 5, the positioning screw rod 6 and the bumper 3 can rotate, and the angle adjustment of the bumper 3 is realized.

Two sliding frames 9 are symmetrically fixed on the top surface of the bottom plate 1, two sliding rails 12 are mounted on the two sliding frames 9 in a sliding mode, the sliding frames 9 are of inverted U-shaped structures, sliding sleeves 10 are fixed on the lower sides of two ends of each sliding rail 12, and the sliding rails 12 are mounted with the sliding frames 9 in a sliding mode through the sliding sleeves 10.

The upside of every slide rail 12 all slides and is equipped with two bracing pieces 13, and wherein one end of two balladeur trains 9 overlaps respectively and is equipped with spring 11, and the one end of two springs 11 all is fixed with one side of same slide rail 12, and the middle part symmetry cover of bumper 3 is equipped with two support rings 14, and two support rings 14 pass through connecting rod 15 fixed connection, and the inboard of every support ring 14 all is equipped with grinding machanism.

The angle of the bumper 3 can be adjusted, but the position of the bumper 3 relative to the bottom plate 1 is unchanged, the bumper 3 is trimmed and ground by the grinding mechanism, the position of the grinding mechanism slides on the upper side of the slide rail 12 through the support ring 14 and the support rod 13 during grinding, and the position of the grinding mechanism can also slide on the sliding frame 9 through the slide rail 12 and the sliding sleeve 10.

Grinding machanism all includes pivot 19, the both ends of pivot 19 all rotate there is gallows 18, two gallows 18 all are fixed with support ring 14, the one end of pivot 19 is fixed with the drive end of grinding motor 16, install a plurality of grinding roller 17 and guide pulley 20 on the pivot 19, grinding roller 17 and guide pulley 20 interval set up, grinding roller 17 all with pivot 19 fixed mounting, guide pulley 20 all rotates with guide pulley 20 through bearing 21 and installs, guide pulley 20's external diameter is not less than grinding roller 17's external diameter, guide pulley 20's surface and bumper 3's surface are laminated each other.

The grinding motor 16 is fixed with the support ring 14 through a mounting seat, the grinding motor 16 drives the rotating shaft 19 to rotate, the grinding roller 17 is fixedly mounted with the rotating shaft 19, the guide pulley 20 is rotatably mounted with the rotating shaft 19 through a bearing 21, the guide pulley 20 is in contact with the surface of the bumper 3, the grinding roller 17 is driven to rotate when the rotating shaft 19 rotates, and the guide pulley 20 cannot rotate along with the rotating shaft 19 due to the rotation of the rotating shaft 19.

After the grinding roller 17 rotates, the bumper 3 can be trimmed and ground, the support ring 14 is gradually pushed to move along the bumper 3 in the process, at the moment, the grinding roller 17, the support ring 14 and the support rod 13 slide along the direction of the slide rail 12, so that the side face of the bumper 3 is ground by using the grinding roller 17, after one side face is ground, the support ring 14 is pulled along the direction of the sliding frame 9, the grinding roller 17 leaves the bumper 3, the bumper 3 is subjected to angle adjustment by using the adjusting mechanism 8, the side face of the bumper 3 needing to be ground is switched, then the support ring 14 is loosened, the grinding roller 17 can be caused to be attached to the side face of the bumper 3 again under the elastic force of the spring 11, the grinding roller 17, the support ring 14 and the support rod 13 slide along the direction of the slide rail 12 again, and the grinding roller 17 is used for grinding the side face of the bumper 3. This is repeated until each side of the bumper 3 is finished being polished.

During polishing, the spring 11 is always in a compressed state, but the compressed state is different, and the reaction force is different, so that the purpose of ensuring that the polishing roller 17 is in good contact with the side surface of the bumper 3 through the elastic force of the spring 11 is achieved.

Example two

Referring to fig. 7-9, in the second embodiment, on the basis of the first embodiment, an annular tube 23 is sleeved outside the bumper 3, the annular tube 23 is located between the two support rings 14, the annular tube 23 is fixedly installed with the connecting rod 15, the annular tube 23 is connected with a dust collector 24 through a connecting hose 25, and the dust collector 24 is fixedly installed with the bottom plate 1 through the support table 22. A plurality of double-headed suction nozzles 26 are installed inside the annular pipe 23.

Every double-end suction nozzle 26 all includes the trachea of fixing with annular tube 23 inboard, and the trachea is Y font structure, and tracheal one end is fixed and rather than inside intercommunication with annular tube 23, and the suction nozzle is all installed at tracheal other both ends. The two suction nozzles of each double-ended suction nozzle 26 face the grinding roll 17 at the support rings 14 on both sides, respectively.

When the bumper 3 is polished, the dust collector 24 is connected with the annular pipe 23 through the connecting hose 25, the dust collector 24 generates negative pressure suction, and dust generated by polishing can be absorbed through the suction nozzle in the double-head suction nozzle 26, so that the dust is prevented from diffusing to the air, the air pollution is reduced, and the health of operators is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.