CN113442032B

CN113442032B - Electric motor car frame dog-ear grinding tool

Info

Publication number: CN113442032B
Application number: CN202111026275.9A
Authority: CN
Inventors: 王成华; 文科; 张小峰
Original assignee: Xuzhou Lesheng Automobile Co ltd
Current assignee: Xuzhou Lesheng Automobile Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-02
Anticipated expiration: 2041-09-02
Also published as: CN113442032A

Abstract

The invention discloses a grinding tool for a bevel of an electric vehicle frame, belonging to the technical field of grinding equipment and comprising a fixing plate, wherein one side of the fixing plate is provided with a guide rod and two positioning components, and the other side of the fixing plate is provided with a motor; two locating component symmetries set up the both sides at the guide bar, and every locating component includes with fixed plate fixed connection's locating plate, set up and keep away from the deflector of fixed plate one end and the board cover of slidable mounting on the deflector at the locating plate, two deflectors mutually perpendicular. According to the invention, through the components such as the motor, the transmission mechanism, the compression roller, the polishing belt and the like, the compression roller can be driven by the motor to swing along the frame fillet and simultaneously drive the polishing belt to circularly rotate, and the compression roller pushes the polishing belt to be tightly attached to the frame fillet, so that the frame fillet can be polished, the labor burden of workers is reduced, and the frame polishing and rust removing efficiency is improved.

Description

Electric motor car frame dog-ear grinding tool

Technical Field

The invention relates to an electric vehicle frame bevel polishing tool, and belongs to the technical field of polishing equipment tools.

Background

The electric vehicle comprises a frame, a door, a window, a chassis and the like. In the processing and production process of the electric vehicle frame, the section bars need to be cut, welded, polished, painted and the like. The electric motor car frame often needs to use the square pipe after bending to make, to the higher frame portion that exposes of visual aesthetic feeling requirement, its dog-ear generally all adopts the fillet transition, and after the frame storage a period of time that bends in advance, rust mark appears easily, can influence the effect that later stage sprayed paint, consequently needs to derust the processing of polishing. Because the round corner part of the bent square tube has a non-flat surface, the square tube cannot be polished by using a traditional machine tool, and workers are low in polishing efficiency and high in labor intensity by using sand paper manually.

Disclosure of Invention

The invention provides a grinding tool for a bevel of an electric vehicle frame, which aims to solve the problems in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions.

A bevel polishing tool for an electric vehicle frame comprises a fixing plate, wherein a guide rod and two positioning assemblies are arranged on one side of the fixing plate, and a motor is arranged on the other side of the fixing plate; the two positioning assemblies are symmetrically arranged on two sides of the guide rod, each positioning assembly comprises a positioning plate fixedly connected with the fixed plate, a guide plate arranged at one end of the positioning plate far away from the fixed plate and a plate sleeve slidably arranged on the guide plate, and the two guide plates are mutually vertical; one end of the guide rod, which is far away from the fixed plate, is sleeved with an adjusting block in a sliding manner, and limiting rods in sliding fit with the adjusting blocks are arranged on the two plate sleeves; one end of the adjusting block, which is far away from the fixed plate, is rotatably provided with a driving roll shaft and two parallel guide roll shafts, the two guide roll shafts are symmetrically arranged on two sides of the driving roll shaft, one ends of the two plate sleeves, which are close to the driving roll shaft, are provided with first roll shafts, and the two positioning plates are provided with second roll shafts; rotate on the regulating block and install first pivot and second pivot, first pivot and second pivot are parallel, the fixed cover of tip fixedly connected with of first pivot, fixedly connected with rocking arm in the second pivot, it has the pole cover to articulate on the rocking arm, the bracing piece has been alternates in the fixed cover, the pole cover slides and cup joints on the bracing piece, the tip rotation of the bracing piece of pole cover one side is kept away from to fixed cover installs the compression roller, two first roller, two second roller, two direction roller shafts, the winding has the area of polishing that is used for polishing the frame on drive roller shaft and the compression roller, be provided with on the regulating block and be used for driving second pivot and drive roller pivoted drive mechanism, drive mechanism is connected with the motor.

Specifically, the transmission mechanism comprises a spline shaft, a first straight gear, a first bevel gear, a second bevel gear and a first transmission wheel, the second drive wheel, the third drive wheel, the fourth drive wheel, second straight-tooth gear and third straight-tooth gear, the rachis can the pivoted install on the guide bar and with the output shaft of motor, first straight-tooth gear and first bevel gear coaxial arrangement on the regulating block and first straight-tooth gear and rachis meshing, second bevel gear and first drive wheel coaxial arrangement on the regulating block and second bevel gear and first bevel gear meshing, second drive wheel and third drive wheel all fix and cup joint in the second pivot, fourth drive wheel and second straight-tooth gear all rotate and cup joint in first pivot, third straight-tooth gear and drive roll axle coaxial rotation and third straight-tooth gear and second straight-tooth gear meshing, the winding has first drive belt on first drive wheel and the second drive wheel, the winding has the second drive belt on third drive wheel and the fourth drive wheel.

Specifically, a tension adjusting mechanism is arranged on one of the positioning plates, the tension adjusting mechanism comprises a guide sleeve fixedly arranged on the positioning plate, and a support frame is slidably arranged in the guide sleeve; the one end of support frame is used for rotating the installation second roller, and the other end activity interlude of support frame has first regulation pole, and first regulation pole and locating plate screw-thread fit fix the cover on the first regulation pole between support frame and the locating plate and have connect first spacing ring, have cup jointed first spring on the first regulation pole between first spacing ring and the support frame.

Specifically, the bracing piece includes with fixed cover screw-thread fit's threaded rod and sets up the telescopic link that is close to compression roller one end at the threaded rod, and the compression roller rotates and installs the one end of keeping away from the threaded rod at the telescopic link, and the one end that the threaded rod is close to the telescopic link is fixed to cup jointed the second spacing ring, and the telescopic link is close to the fixed cover of one end of compression roller and connects the third spacing ring, is provided with the second spring between second spacing ring and the third spacing ring.

Specifically, a second adjusting rod is rotatably mounted on the guide rod, and one end, far away from the guide rod, of the second adjusting rod is inserted into the adjusting block and is in threaded fit with the adjusting block.

Compared with the prior art, the invention has the beneficial effects that: by properly setting the length of the rotating arm and the distance between the first rotating shaft and the second rotating shaft, when the rotating arm rotates 360 degrees by taking the second rotating shaft as a center, the pressing roller can perform 90-degree reciprocating swing by taking the first rotating shaft as the center, the tool can be adaptive to the grinding work of vehicle frame fillets with different radiuses by changing the distance between the pressing roller and the first rotating shaft, and the circle centers of the first rotating shaft and the fillets can be coincided by changing the position of the adjusting block on the guide rod; through setting up drive mechanism, the motor can drive second pivot and drive roll axle simultaneously and rotate, drives the pinch roller promptly and polishes the area circulation and rotate when carrying out the wobbling along the frame fillet, and the frame fillet is hugged closely in the area of polishing being pushed up to the compression roller to can realize polishing to the frame fillet, alleviate workman's work burden, improve the frame rust cleaning efficiency of polishing.

2. When the adjusting block slides on the guide rod, the first straight gear can maintain the meshing with the spline shaft, and the transmission effect is ensured; simultaneously, a motor can drive second pivot and third straight-teeth gear simultaneously and rotate, realizes promptly that the compression roller carries out 90 reciprocal swings simultaneously and realizes the circulation rotation of polishing the area, realizes polishing repeatedly to the frame fillet, saves manufacturing cost.

3. Through setting up threaded rod, telescopic link, second spacing ring, third spacing ring and second spring, the accessible rotates the threaded rod and changes the threaded rod and the cooperation position of fixed cover, realizes the distance between compression roller and the first pivot and adjusts to the different radial fillets of adaptation are polished, and further through setting up the second spring, when guaranteeing that the compression roller sticiss the belt of polishing, the dead phenomenon of card can not appear in the accident.

Drawings

Fig. 1 is a perspective view I of the overall structure of the present invention.

Fig. 2 is a perspective view II of the overall structure of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a perspective view III of the overall structure of the present invention.

Fig. 5 is a schematic diagram of the present invention.

Fig. 6 is a partially enlarged view of fig. 5 at B.

In the figure: 1. a fixed plate, 2, a positioning plate, 3, a motor, 4, a guide plate, 5, a plate sleeve, 6, a guide rod, 7, an adjusting block, 8, a limiting rod, 9, a first roller shaft, 10, a second roller shaft, 11, a driving roller shaft, 12, a guide roller shaft, 13, a first rotating shaft, 14, a fixed sleeve, 15, a supporting rod, 16, a press roller, 17, a polishing belt, 18, a second rotating shaft, 19, a rotating arm, 20, a rod sleeve, 21, a spline shaft, 22, a first straight gear, 23, a first bevel gear, 24, a second bevel gear, 25, a first driving wheel, 26, a handle, 27, a rotating handle, 28, a second driving wheel, 29, a third driving wheel, 30, a fourth driving wheel, 31, a first driving belt, 32, a second driving belt, 33, a second straight gear, 34, a third straight gear, 35, a guide sleeve, 36, a supporting frame, 37, a first adjusting rod, 38, a first limiting ring, 39 and a first spring, 40. second regulation pole, 41, adjusting collar, 42, threaded rod, 43, telescopic link, 44, second spacing ring, 45, third spacing ring, 46, second spring.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, an electric vehicle frame bevel grinding tool provided by the embodiment of the invention comprises a fixing plate 1, wherein a guide rod 6 and two positioning assemblies are arranged on one side of the fixing plate 1, and a motor 3 is arranged on the other side of the fixing plate 1; two locating component symmetries set up the both sides at guide bar 6, and every locating component includes with fixed plate 1 fixed connection's locating plate 2, set up and keep away from deflector 4 and the sheet cover 5 of slidable mounting on deflector 4 of fixed plate 1 one end at locating plate 2, and two deflector 4 mutually perpendicular. As shown in fig. 5, since the two guide plates 4 are perpendicular and symmetrical to each other, when the two guide plates 4 are attached to the break angle of the frame, the guide rod 6 just faces the middle of the round angle of the frame, and the positioning step of the tool is conveniently completed; an adjusting block 7 is sleeved at one end, far away from the fixed plate 1, of the guide rod 6 in a sliding mode, limiting rods 8 in sliding fit with the adjusting blocks 7 are arranged on the two plate sleeves 5, and therefore when the adjusting blocks 7 move on the guide rod 6, the adjusting blocks 7 can push and pull the limiting rods 8 and the plate sleeves 5 can slide on the guide plate 4 through the limiting rods 8; one end of the adjusting block 7, which is far away from the fixing plate 1, is rotatably provided with a driving roll shaft 11 and two parallel guide roll shafts 12, the two guide roll shafts 12 are symmetrically arranged on two sides of the driving roll shaft 11, one ends of the two plate sleeves 5, which are close to the driving roll shaft 11, are respectively provided with a first roll shaft 9, and the two positioning plates 2 are respectively provided with a second roll shaft 10; first pivot 13 and second pivot 18 are installed in the rotation on the regulating block 7, first pivot 13 is parallel with second pivot 18, the fixed cover 14 of tip fixedly connected with of first pivot 13, fixedly connected with rocking arm 19 on the second pivot 18, it has pole cover 20 to articulate on the rocking arm 19, fixed cover 14 is interior to alternate has bracing piece 15, pole cover 20 slides and cup joints on bracing piece 15, the tip of the bracing piece 15 of fixed cover 14 remote from pole cover 20 one side rotates and installs compression roller 16, two first roller 9, two second roller 10, two direction roller 12, the winding has the area of polishing 17 that is used for polishing the frame on drive roller 11 and the compression roller 16, be provided with on the regulating block 7 and be used for driving second pivot 18 and the pivoted drive roller 11 drive mechanism, drive mechanism is connected with motor 3.

As can be seen from fig. 5 and 6, when the second rotating shaft 18 rotates, the rotating arm 19 drives the supporting rod 15 to rotate around the first rotating shaft 13 through the rod sleeve 20, and by properly setting the length of the rotating arm 19 and the distance between the first rotating shaft 13 and the second rotating shaft 18, the rotating arm 19 can rotate 360 degrees around the second rotating shaft 18, the pressing roller 16 performs 90-degree reciprocating swing around the first rotating shaft 13, the grinding work of the tool for adapting to vehicle frame fillets with different radii can be realized by changing the distance between the pressing roller 16 and the first rotating shaft 13, and the centers of the first rotating shaft 13 and the fillets can be overlapped by changing the position of the adjusting block 7 on the guide rod 6. Through setting up drive mechanism, motor 3 can drive second pivot 18 and drive roll axle 11 simultaneously and rotate, drives promptly that pressure roller 16 carries out the wobbling while drive and polishes area 17 circulation and rotate along the frame fillet, and pressure roller 16 is pushing up and is polishing area 17 and hugging closely the frame fillet to can realize polishing to the frame fillet, alleviate workman's work burden, improve the frame and polish rust cleaning efficiency.

Specifically, the transmission mechanism comprises a spline shaft 21, a first straight gear 22, a first bevel gear 23, a second bevel gear 24, a first transmission wheel 25, a second transmission wheel 28, a third transmission wheel 29, a fourth transmission wheel 30, a second straight gear 33 and a third straight gear 34, wherein the spline shaft 21 is rotatably installed on the guide rod 6 and is connected with an output shaft of the motor 3, the first straight gear 22 and the first bevel gear 23 are coaxially installed on the adjusting block 7, the first straight gear 22 is meshed with the spline shaft 21, the second bevel gear 24 and the first transmission wheel 25 are coaxially installed on the adjusting block 7, the second bevel gear 24 is meshed with the first bevel gear 23, the second transmission wheel 28 and the third transmission wheel 29 are fixedly sleeved on the second rotating shaft 18, the fourth transmission wheel 30 and the second straight gear 33 are rotatably sleeved on the first rotating shaft 13, the third straight gear 34 and the driving roller shaft 11 are coaxially rotated, and the third straight gear 34 is meshed with the second straight gear 33, a first transmission belt 31 is wound on the first transmission wheel 25 and the second transmission wheel 28, and a second transmission belt 32 is wound on the third transmission wheel 29 and the fourth transmission wheel 30. Through the arrangement of the structure, when the adjusting block 7 slides on the guide rod 6, the first straight gear 22 can maintain the meshing with the spline shaft 21, and the transmission effect is ensured; meanwhile, one motor 3 can simultaneously drive the second rotating shaft 18 and the third straight gear 34 to rotate, namely the compression roller 16 can swing in a 90-degree reciprocating mode and simultaneously realize the circular rotation of the polishing belt 17, the repeated polishing of the vehicle frame fillet is realized, and the production cost is saved.

Specifically, a tension adjusting mechanism is arranged on one of the positioning plates 2, the tension adjusting mechanism comprises a guide sleeve 35 fixedly arranged on the positioning plate 2, and a support frame 36 is slidably arranged in the guide sleeve 35; one end of the supporting frame 36 is used for rotatably mounting the second roller 10, a first adjusting rod 37 is movably inserted into the other end of the supporting frame 36, the first adjusting rod 37 is in threaded fit with the positioning plate 2, a first limiting ring 38 is fixedly sleeved on the first adjusting rod 37 between the supporting frame 36 and the positioning plate 2, and a first spring 39 is sleeved on the first adjusting rod 37 between the first limiting ring 38 and the supporting frame 36. The support frame 36 can be driven to move in the guide sleeve 35 by rotating the first adjusting rod 37, so that tensioning adjustment of the polishing belt 17 is realized, and meanwhile, dynamic tensioning adjustment of the polishing belt 17 is realized through the first spring 39, so that stable matching between the polishing belt 17 and the driving roll shaft 11 and the pressing roll 16 is ensured.

Specifically, the support rod 15 includes a threaded rod 42 in threaded fit with the fixing sleeve 14 and a telescopic rod 43 disposed at one end of the threaded rod 42 close to the compression roller 16, the compression roller 16 is rotatably mounted at one end of the telescopic rod 43 far away from the threaded rod 42, a second limit ring 44 is fixedly sleeved at one end of the threaded rod 42 close to the telescopic rod 43, a third limit ring 45 is fixedly sleeved at one end of the telescopic rod 43 close to the compression roller 16, and a second spring 46 is disposed between the second limit ring 44 and the third limit ring 45. Through setting up threaded rod 42, telescopic link 43, second spacing ring 44, third spacing ring 45 and second spring 46, the accessible rotates threaded rod 42 and changes the cooperation position of threaded rod 42 and fixed cover 14, realizes the distance between compression roller 16 and the first pivot 13 and adjusts, thereby the different radial fillets of adaptation are polished, and further through setting up second spring 46, when guaranteeing compression roller 16 sticiss the belt 17 of polishing, the dead phenomenon of card can not appear in the accident.

Specifically, a second adjusting rod 40 is rotatably mounted on the guide rod 6, and one end of the second adjusting rod 40, which is far away from the guide rod 6, is inserted into the adjusting block 7 and is in threaded fit with the adjusting block 7. The position of the adjusting block 7 on the guide rod 6 can be conveniently controlled by rotating the second adjusting rod 40, the use is convenient, the adjusting sleeve 41 can be further arranged on the second adjusting rod 40, and the second adjusting rod 40 is convenient to rotate.

When in use: this grinding tool is mentioned to accessible setting handle 26 on fixed plate 1 and motor 3, then support this grinding tool tight frame, make two deflector 4 laminate the both sides at frame fillet respectively, realize this grinding tool's location, then adjusting threaded rod 42, make the radius size at distance adaptation frame fillet between compression roller 16 and the first pivot 13, it makes regulating block 7 move on guide bar 6 to rotate second regulation pole 40, thereby make the centre of a circle coincidence of first pivot 13 and frame fillet, rotate the turning handle 27 on the first regulation pole 37 at last, the rate of tension that will polish area 17 is transferred suitable degree and can be started motor 3. After the motor 3 is started, the rotating arm 19 is driven to rotate through the transmission mechanism and drives the driving roll shaft 11 to rotate, the compression roller 16 drives the polishing belt 17 to rotate circularly while swinging along the frame fillet by taking the first rotating shaft 13 as the center, the compression roller 16 pushes the polishing belt 17 to be tightly attached to the frame fillet, polishing of the frame fillet is realized, labor burden of workers is relieved, and frame polishing and rust removing efficiency is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The electric vehicle frame bevel polishing tool is characterized by comprising a fixing plate (1), wherein one side of the fixing plate (1) is provided with a guide rod (6) and two positioning assemblies, and the other side of the fixing plate (1) is provided with a motor (3); the two positioning assemblies are symmetrically arranged on two sides of the guide rod (6), each positioning assembly comprises a positioning plate (2) fixedly connected with the fixed plate (1), a guide plate (4) arranged at one end, far away from the fixed plate (1), of the positioning plate (2) and a plate sleeve (5) slidably mounted on the guide plate (4), and the two guide plates (4) are perpendicular to each other; an adjusting block (7) is sleeved at one end, far away from the fixed plate (1), of the guide rod (6) in a sliding mode, and limiting rods (8) in sliding fit with the adjusting block (7) are arranged on the two plate sleeves (5); a driving roll shaft (11) and two parallel guide roll shafts (12) are rotatably mounted at one end, far away from the fixed plate (1), of the adjusting block (7), the two guide roll shafts (12) are symmetrically arranged at two sides of the driving roll shaft (11), first roll shafts (9) are arranged at one ends, close to the driving roll shaft (11), of the two plate sleeves (5), and second roll shafts (10) are arranged on the two positioning plates (2); rotate on regulating block (7) and install first pivot (13) and second pivot (18), first pivot (13) with second pivot (18) are parallel, the fixed cover of tip fixedly connected with (14) of first pivot (13), fixedly connected with rocking arm (19) on second pivot (18), it has rod cover (20) to articulate on rocking arm (19), it has bracing piece (15) to alternate in fixed cover (14), rod cover (20) slip cup joint on bracing piece (15), fixed cover (14) are kept away from the tip of bracing piece (15) of rod cover (20) one side is rotated and is installed compression roller (16), two first roller (9), two second roller (10), two direction roller (12), drive roller (11) with the winding has polishing area (17) that are used for the frame to polish on compression roller (16), the adjusting block (7) is provided with a transmission mechanism for driving the second rotating shaft (18) and the driving roll shaft (11) to rotate, and the transmission mechanism is connected with the motor (3).

2. The electric vehicle frame bevel grinding tool according to claim 1, wherein the transmission mechanism comprises a spline shaft (21), a first straight gear (22), a first bevel gear (23), a second bevel gear (24), a first transmission wheel (25), a second transmission wheel (28), a third transmission wheel (29), a fourth transmission wheel (30), a second straight gear (33) and a third straight gear (34), the spline shaft (21) is rotatably installed on a guide rod (6) and connected with an output shaft of a motor (3), the first straight gear (22) and the first bevel gear (23) are coaxially installed on the adjusting block (7) and the first straight gear (22) is meshed with the spline shaft (21), the second bevel gear (24) and the first transmission wheel (25) are coaxially installed on the adjusting block (7) and the second bevel gear (24) is meshed with the first bevel gear (23), second drive wheel (28) with third drive wheel (29) is all fixed cup joint in on second pivot (18), fourth drive wheel (30) with second spur gear (33) all rotate cup joint and are in on first pivot (13), third spur gear (34) with drive roll axle (11) coaxial rotation just third spur gear (34) with second spur gear (33) meshing, first drive wheel (25) with the winding has first drive belt (31) on second drive wheel (28), third drive wheel (29) with the winding has second drive belt (32) on fourth drive wheel (30).

3. The electric vehicle frame bevel grinding tool according to claim 1, characterized in that a tension adjusting mechanism is arranged on one of the positioning plates (2), the tension adjusting mechanism comprises a guide sleeve (35) fixedly arranged on the positioning plate (2), and a support frame (36) is slidably arranged in the guide sleeve (35); the one end of support frame (36) is used for rotating the installation second roller (10), the other end activity interlude of support frame (36) has first regulation pole (37), first regulation pole (37) with locating plate (2) screw-thread fit, support frame (36) with between locating plate (2) fixed cover has been cup jointed first spacing ring (38) on first regulation pole (37), first spacing ring (38) with between support frame (36) first spring (39) have been cup jointed on first regulation pole (37).

4. The bevel sanding tool for the frame of the electric vehicle as defined in claim 1, wherein the support rod (15) comprises a threaded rod (42) in threaded engagement with the fixing sleeve (14) and a telescopic rod (43) disposed at one end of the threaded rod (42) close to the compression roller (16), the compression roller (16) is rotatably mounted at one end of the telescopic rod (43) far away from the threaded rod (42), a second limit ring (44) is fixedly sleeved at one end of the threaded rod (42) close to the telescopic rod (43), a third limit ring (45) is fixedly sleeved at one end of the telescopic rod (43) close to the compression roller (16), and a second spring (46) is disposed between the second limit ring (44) and the third limit ring (45).

5. The electric vehicle frame bevel grinding tool according to claim 1, characterized in that a second adjusting rod (40) is rotatably mounted on the guide rod (6), and one end of the second adjusting rod (40) far away from the guide rod (6) is inserted into the adjusting block (7) and is in threaded fit with the adjusting block (7).