CN215316463U

CN215316463U - Automatic turnover welding device for front and back sides of motorcycle frame

Info

Publication number: CN215316463U
Application number: CN202121198027.8U
Authority: CN
Inventors: 杨建华
Original assignee: Chongqing Xinjin Hongjing Machinery Co ltd
Current assignee: Chongqing Xinjin Hongjing Machinery Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-28
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to the field of motorcycle processing, and particularly discloses a motorcycle frame front and back automatic overturning and welding device. The turnover device comprises a workbench, a first turnover unit and a second turnover unit, wherein the first turnover unit comprises a first supporting seat, a first driving piece and a first turntable; the second overturning unit comprises a second supporting seat, a second driving piece and a second turntable, and a power piece is fixed on the workbench; the first driving piece and the second driving piece are respectively fixed on the first supporting seat and the second supporting seat; the first turntable is provided with a first clamping unit, the first clamping unit comprises a baffle, a limiting rod and a clamping driving piece, the clamping driving piece and the baffle are fixed on the turntable, and a pressing plate is fixed on the limiting rod; the side wall of the second turntable facing the first turntable is eccentrically and fixedly provided with a positioning column. The automatic overturning and welding device for the front side and the back side of the motorcycle frame can reduce the height of a structure to be installed after the frame is overturned, and is convenient to assemble.

Description

Automatic turnover welding device for front and back sides of motorcycle frame

Technical Field

The utility model relates to the field of motorcycle processing, in particular to a motorcycle frame front and back automatic overturning and welding device.

Background

The present motorcycle comprises a frame, a power system, a transmission system, an air intake and exhaust system, a brake system and the like, wherein the frame is a skeleton of the motorcycle and is used for installing other structures. In order to improve the comfort of a motorcycle, it is generally necessary to mount a shock absorber on the motorcycle, and current shock absorbers include a front shock absorber and a rear shock absorber, which are mounted on the front side and the rear side of the frame, respectively. The structure of the frame is certainly made more complex with the increase of other structures mounted on the frame. As shown in fig. 3, the current motorcycle frame comprises a main frame 9, a secondary frame 91 and other rod-shaped structures 92 or plate-shaped structures 93, in order to reduce the weight of the frame, the main frame 9, the secondary frame 91 and other rod-shaped structures 92 are usually formed by bending tubes, the secondary frame 91 and other rod-shaped structures 92 or plate-shaped structures 93 are installed on the main frame 9 by welding or other fasteners such as bolts, the main frame 9 needs to be fixed during installation, and the main frame 9 also needs to be turned over during installation according to different installation positions so as to install the structures below.

However, since other structures in the motorcycle, such as the power system, the transmission system, the air intake and exhaust system, and the shock absorber, are distributed on the lower side of the main frame 9, the sub-frame 91 and other structures for mounting the power system, the transmission system, the air intake and exhaust system, and the shock absorber are all located below the main frame 9, which causes the center of gravity of the frame to deviate from the main frame 9, while the clamping position of the current turnover device for the main frame 9 is usually located on the rotation center during turnover, i.e. the main frame 9 is coaxial with the rotation center, when some structures are mounted on the main frame 9, the turnover main frame 9 causes the height of other structures mounted on the main frame 9 to increase to a larger height, which makes it difficult to mount other structures on the side farthest from the main frame 9.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for automatically overturning and welding the front and back sides of a motorcycle frame, so that the height of a structure to be installed is reduced after the motorcycle frame is overturned, and the device is convenient to assemble.

In order to achieve the purpose, the utility model adopts the following technical scheme: the welding device for automatically overturning the front and back sides of the frame of the motorcycle comprises a workbench, a first overturning unit and a second overturning unit, wherein the first overturning unit comprises a first supporting seat, a first driving piece and a first turntable; the second overturning unit comprises a second supporting seat, a second driving piece and a second turntable, the second supporting seat is connected with the workbench in a sliding mode, and a power piece used for pushing the second supporting seat to one side close to the first supporting seat is fixed on the workbench; the first driving piece and the second driving piece are respectively fixed on the first supporting seat and the second supporting seat and respectively drive the first turntable and the second turntable to rotate, and the first turntable and the second turntable are opposite and have coincident rotation centers; the side wall of the first rotary disc facing the second rotary disc is provided with a first clamping unit, the first clamping unit comprises a baffle, a limiting rod and a clamping driving piece, the clamping driving piece and the baffle are fixed on the rotary disc, the clamping driving piece is connected with the limiting rod and used for driving the limiting rod to be close to the baffle, and a pressing plate opposite to the baffle is fixed on the limiting rod; the side wall of the second turntable facing the first turntable is eccentrically and fixedly provided with a positioning column.

The beneficial effect of this scheme does:

1. because the frame centre gripping in this scheme is between first carousel and second carousel, and during the centre gripping, the one end of frame is by the centre gripping between baffle and clamp plate, the other end offsets with the reference column, because the eccentric setting of reference column is on the second carousel, the skew center of rotation of second carousel is close to the one end of second carousel to the event frame, when the auxiliary stand installs on the main support, the auxiliary stand is relative with the center of rotation position of second carousel, the event is when the second carousel rotates the back, the height reduction of main support, the height of auxiliary stand can not increase by a wide margin, be convenient for keep away from other platelike or tubular structure of one side installation of main support at the auxiliary stand.

2. To mount the handlebar, starting handlebar, etc. of the motorcycle, the front end of the main stand usually includes a tubular fixing sleeve, so that the main stand resembles a T. When first upset unit and second upset unit in this scheme are fixed, before second carousel and first carousel carry out the centre gripping to the main support, the gag lever post can stretch into in the fixed cover of main support front end, fixes a position the main support from transversely, tentatively fixes a position the main support, when the second carousel is close to first carousel, rotates the main support again to the position relative with the reference column can carry out the centre gripping through second carousel and first carousel, reduces the centre gripping degree of difficulty.

Furthermore, be equipped with the supporting shoe between clamp plate and the baffle, the supporting shoe is fixed on the lateral wall of first carousel orientation second carousel, and the lateral wall of supporting shoe orientation second carousel is equipped with the arc wall relative with the gag lever post.

The beneficial effect of this scheme does: supporting shoe in this scheme can support the fixed cover of main support tip, and fixed cover this moment is located the arc wall, and the arc wall also can fix a position fixed cover, avoids fixed cover to take place horizontal skew.

Furthermore, the baffle is provided with a limiting groove with an opening facing the limiting rod and coaxial with the limiting rod.

The beneficial effect of this scheme does: when carrying out the centre gripping to the main support, the tip of fixed cover stretches into the spacing inslot, can further avoid fixed cover to take place horizontal skew.

Furthermore, the lateral wall of first carousel orientation second carousel is equipped with the guide way, and the guide way extends along the slip direction of clamp plate, and the one end that the second carousel was kept away from to the clamp plate is fixed with the guide block, and the guide block is located the guide way and with guide way sliding connection.

The beneficial effect of this scheme does: the guide way in this scheme can lead the slip of clamp plate with the guide block cooperation, avoids the clamp plate skew, guarantees that the clamp plate can press on a solid fixed cylinder, fixes a position the main support.

Furthermore, the guide way is logical groove, and the one end that the clamp plate was kept away from to the guide block is fixed with the stopper, and the stopper is located one side that the second carousel was kept away from to first carousel and the width of stopper is greater than the width of guide block.

The beneficial effect of this scheme does: stopper and clamp plate in this scheme are located the both sides of first carousel respectively, because the width of stopper is greater than the width of guide block, so stopper in this scheme can carry on spacingly to the guide block, avoids the guide block to deviate from the guide way, further avoids the clamp plate to drop from first carousel.

Furthermore, a sliding rail is fixed on the workbench, a sliding seat is fixed at the bottom of the second supporting seat, the sliding seat is U-shaped along the vertical section, and the sliding seat is connected with the sliding rail in a sliding manner.

The beneficial effect of this scheme does: slide rail in this scheme and slide cooperation can avoid the second supporting seat crooked to the effect that the slip of second supporting seat played the direction to guarantee that the support column is relative with the main support, carry out the centre gripping to the main support.

Furthermore, one side of the first rotating disc, which is far away from the pressing plate, is detachably connected with a positioning block, and a magnet piece for attracting the positioning block is fixed on the workbench.

The beneficial effect of this scheme does: when two auxiliary brackets and a plurality of other tubular or plate-shaped structures are installed, the installation is carried out one by one, so that in the installation process, the acting forces on the two sides of the main bracket are different, the acting forces on the two sides of the limiting rod are different, and the first rotating disc is easy to rotate. Magnet piece in this scheme attracts can become decurrent effort to first carousel after the locating piece, avoids first carousel to rotate.

Furthermore, a positioning rod is fixed at one end of the positioning column, which is far away from the second turntable.

The beneficial effect of this scheme does: when the second carousel carries out the centre gripping to the main support, because the main support is the pipe bending, the locating lever can stretch into in the main support this moment, avoids producing relative slip between main support and the reference column, leads to the main support skew.

Drawings

FIG. 1 is a schematic perspective view of example 1 of the present invention;

FIG. 2 is an elevational vertical cross-sectional view of the locating block of FIG. 1;

fig. 3 is a perspective view of a vehicle body frame fixed by the device in embodiment 1 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a workbench 1, an opening 11, a slide rail 12, a power part 13, a first support seat 2, a first driving part 21, a second support seat 3, a slide seat 31, a lead screw 32, a first rotary disc 4, a guide groove 41, a clamping driving part 42, a limiting rod 43, a pressing plate 44, a sleeve 45, an arc-shaped block 46, a baffle 5, a limiting groove 51, a support block 6, an arc-shaped groove 61, a second rotary disc 7, a positioning column 71, a positioning rod 72, a positioning block 8, a main support 9, an auxiliary support 91, a rod-shaped structure 92 and a plate-shaped structure 93.

Example 1

Welding set that overturns automatically in motorcycle frame positive and negative as shown in fig. 1, including frame, workstation 1, first upset unit and second upset unit, workstation 1 in this embodiment includes left installation department and right installation department, and is equipped with the space between left installation department and the right installation department, and left installation department and right installation department all pass through the bolt fastening in the frame.

First upset unit and second upset unit are located respectively on left installation department and the right installation department, first upset unit includes first supporting seat 2, first driving piece 21 and first carousel 4, first supporting seat 2 passes through the bolt fastening on left installation department, first driving piece 21 passes through the bolt fastening on second supporting seat 3, the right-hand member of first supporting seat 2 has sleeve 45 through the bolt fastening, the left wall welding of first carousel 4 has the pivot, first carousel 4 and sleeve 45 are coaxial, and the pivot left end passes sleeve 45 and is connected through the output shaft of shaft coupling and first driving piece 21, install current needle roller bearing between pivot and the sleeve 45 in this embodiment.

The right wall of first carousel 4 is equipped with first clamping unit, and first clamping unit includes baffle 5, gag lever post 43 and centre gripping driving piece 42, and the eccentric upper end of fixing at first carousel 4 of bolt is passed through to centre gripping driving piece 42 in this implementation, and centre gripping driving piece 42 in this implementation adopts linear actuator, also can adopt other equipments that can drive gag lever post 43 along vertical gliding such as pneumatic cylinder or cylinder when actually implementing. The output shaft of the clamping driving member 42 is connected with the limiting rod 43 through a flange, the limiting rod 43 in this embodiment is vertically arranged, and the diameter of the limiting rod 43 in this embodiment is slightly smaller than the inner diameter of the fixing sleeve on the main bracket 9, so that the limiting rod 43 can extend into the fixing sleeve. Baffle 5 is located the gag lever post 43 and welds on first carousel 4 directly under, and baffle 5 top is equipped with opening 11 towards the spacing groove 51 of gag lever post 43, and spacing groove 51 in this embodiment is cylindric, and the diameter of spacing groove 51 is a bit more than the external diameter of fixed cover for the fixed cover can slide in the spacing groove 51.

The top of baffle 5 is equipped with clamp plate 44, clamp plate 44 is parallel with baffle 5, and clamp plate 44 and gag lever post 43 interference fit, the left wall welded guide block of clamp plate 44 in this embodiment, be equipped with on the first carousel 4 relative and along the axially extended guide way 41 of gag lever post 43 with gag lever post 43, guide way 41 in this embodiment is logical groove, the guide block extends to the left side of first carousel 4 from guide way 41, and the right-hand member welding of guide block has the stopper, the width of stopper is greater than the width of guide way 41, the stopper is spacing to the guide block, avoid the guide block to slide right, thereby it is spacing to clamp plate 44.

Two supporting blocks 6 are arranged between the pressing plate 44 and the baffle 5, the two supporting blocks 6 are distributed along the axial gap of the guide rod, the supporting blocks 6 are all fixed on the right wall of the first rotating disc 4 through bolts, the right wall of the supporting blocks 6 is provided with an arc-shaped groove 61, and the arc-shaped groove 61 in the embodiment is opposite to the limiting rod 43 and is coaxial with the limiting rod 43.

As shown in fig. 2, two arc-shaped blocks 46 are integrally formed at the bottom of the first rotating disk 4, and the two arc-shaped blocks 46 are respectively located at the left and right sides of the first rotating disk 4. The bottom of first carousel 4 is equipped with locating piece 8, locating piece 8 in this embodiment is the arc also, and be equipped with the U-shaped groove that opening 11 faces upward on the locating piece 8, the lateral wall all is equipped with the recess about the U-shaped groove, the length direction of locating piece 8 is followed to the recess extends, and the recess also is the arc the same with arc piece 46 shape, arc piece 46 in this embodiment is located the recess, can fix a position locating piece 8 through arc piece 46 and arc groove 61 cooperation, locating piece 8 is still fixed through the lower extreme of bolt with the carousel. The positioning block 8 in this embodiment is made of austenitic stainless steel, and as shown in fig. 1, an opening 11 is provided in the left mounting portion, which faces the positioning block 8, and a magnet member is mounted at the bottom of the mounting portion by a bolt, and the magnet member in this embodiment is an electromagnet, and is located right below the opening 11.

The second upset unit includes second supporting seat 3, second driving piece and second carousel 7, and the top of right side installation department has two slide rails 12 through the bolt fastening, and two slide rails 12 all extend and two slide rails 12 are parallel to each other from a left side to the right side. The second supporting seat 3 is T-shaped along the vertical cross section, two sliders 31 are fixed to the bottom of the second supporting seat 3 through bolts, the two sliders 31 are respectively opposite to the two slide rails 12, and the sliders 31 are inverted U-shaped along the vertical cross section, so that the sliders 31 can slide along the slide rails 12. The right side of second supporting seat 3 is equipped with power piece 13, and power piece 13 in the embodiment adopts the motor that just reverses, and power piece 13 passes through the bolt fastening on right installation department, and the output shaft of power piece 13 is towards left, and the output shaft of power piece 13 has lead screw 32 through the coupling joint, and the left end of lead screw 32 runs through second supporting seat 3 and extends to the left side of second supporting seat 3, and lead screw 32 in this embodiment constitutes the ball screw structure with second supporting seat 3.

The right wall of the second rotary table 7 is also coaxially welded with a rotating shaft, and the installation manner of the second driving member and the second rotary table 7 in this embodiment is the same as that of the first driving member 21 and the first rotary table 4, which is not described again in this embodiment. First carousel 4 and second carousel 7 in this embodiment are coaxial, and second carousel 7 left wall welding has reference column 71, and the eccentric upper portion that is located second carousel 7 of reference column 71 in this embodiment, the left wall welding of reference column 71 has locating lever 72, and the diameter of locating lever 72 is less than the internal diameter of main support 9, and when fixing the frame, locating lever 72 stretches into in the main support 9, fixes a position main support 9.

The specific implementation process is as follows:

initially, the clamp driving member 42 is located on the upper portion of the first turntable 4, and the positioning column 71 is located on the upper portion of the second turntable 7, and the pressing plate 44 is away from the baffle 5. When fixing main support 9, earlier the manual work is put the fixed cover on the main support 9 to between clamp plate 44 and the baffle 5 to put into spacing groove 51 with the lower extreme of fixed cover, fixed cover is relative with arc-shaped groove 61 and gag lever post 43 this moment, and supporting shoe 6 supports fixed cover. Then, the clamping driving member 42 is started to make the pressing plate 44 slide downwards, and the limiting rod 43 extends into the fixing sleeve to limit the fixing sleeve and prevent the main bracket 9 from shifting rightwards. When the pressing plate 44 presses the fixing sleeve on the limiting plate, the clamping driving piece 42 is closed, and the pressing plate 44 and the baffle 5 limit the fixing sleeve from two ends.

And then the power part 13 is started, the power part 13 drives the screw rod 32 to rotate, and because the screw rod 32 and the second support seat 3 form a ball screw structure, and the slide rail 12 guides the sliding of the slide seat 31 and the second support seat 3, at the moment, the second support seat 3 slides leftwards, so that the second rotary table 7 is close to the main bracket 9 leftwards. When the positioning rod 72 is close to the right end of the main support 9, the main support 9 is rotated to enable the right end of the main support 9 to be opposite to the positioning rod 72, finally the second rotating disc 7 is pressed at the right end of the main support 9, the positioning rod 72 extends into the main support 9, the power piece 13 is closed at the moment, and the main support 9 is fixed.

During the mounting of the secondary bracket 91 and other tubular or plate-like structures 93, the electromagnet is activated, which attracts the positioning block 8 downwards, avoiding the first turntable 4 to deflect. When the frame needs to be turned over, the electromagnet is manually turned off, the first driving piece 21 and the second driving piece are simultaneously started, and the first rotating disc 4 is driven to rotate 180 degrees through the first driving piece 21; the second rotary table 7 is driven by the second driving piece to synchronously rotate 180 degrees.

When the frame needs to be taken down, the steps are repeated again, the first rotary table 4 and the second rotary table 7 are synchronously rotated for 180 degrees, the second supporting seat 3 is rightwards slid by the power part 13, the right end of the main support 9 is loosened, then the clamping driving part 42 is started, the pressing plate 44 upwards slides, the frame is upwards supported by manpower at the moment, the frame is prevented from dropping, after the limiting rod 43 is separated from the fixing sleeve, the frame is upwards pushed by manpower, and the frame can be taken down after the fixing sleeve upwards slides out of the limiting groove 51.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The welding device for automatically overturning the front side and the back side of the frame of the motorcycle comprises a workbench, a first overturning unit and a second overturning unit, wherein the first overturning unit comprises a first supporting seat, a first driving piece and a first turntable, and the first supporting seat is fixed on the workbench; the second overturning unit comprises a second supporting seat, a second driving piece and a second turntable, the second supporting seat is connected with the workbench in a sliding mode, and a power piece used for pushing the second supporting seat to one side close to the first supporting seat is fixed on the workbench; the first driving piece and the second driving piece are respectively fixed on the first supporting seat and the second supporting seat and respectively drive the first turntable and the second turntable to rotate, and the first turntable and the second turntable are opposite and have coincident rotation centers; the method is characterized in that: the side wall of the first rotary disc facing the second rotary disc is provided with a first clamping unit, the first clamping unit comprises a baffle, a limiting rod and a clamping driving piece, the clamping driving piece and the baffle are fixed on the rotary disc, the clamping driving piece is connected with the limiting rod and used for driving the limiting rod to be close to the baffle, and a pressing plate opposite to the baffle is fixed on the limiting rod; and a positioning column is eccentrically and fixedly arranged on the side wall of the second turntable, which faces the first turntable.

2. The automatic welding device that overturns of motorcycle frame positive and negative according to claim 1, characterized by: and a supporting block is arranged between the pressing plate and the baffle plate, the supporting block is fixed on the side wall of the first rotary table facing the second rotary table, and an arc-shaped groove opposite to the limiting rod is arranged on the side wall of the supporting block facing the second rotary table.

3. The automatic welding device that overturns of motorcycle frame positive and negative according to claim 2, characterized by: the baffle is provided with a limit groove with an opening facing the limit rod and coaxial with the limit rod.

4. The automatic flip welding device for the front and back sides of the motorcycle frame according to claim 3, characterized in that: the lateral wall of first carousel orientation second carousel is equipped with the guide way, the guide way extends along the slip direction of clamp plate, the one end that the second carousel was kept away from to the clamp plate is fixed with the guide block, the guide block is located the guide way and with guide way sliding connection.

5. The automatic flip welding device for the front and back sides of the motorcycle frame according to claim 4, characterized in that: the guide way is for leading to the groove, the one end that the clamp plate was kept away from to the guide block is fixed with the stopper, the stopper is located one side that the second carousel was kept away from to first carousel and the width of stopper is greater than the width of guide block.

6. The automatic welding device that overturns of motorcycle frame positive and negative according to claim 1, characterized by: the sliding rail is fixed on the workbench, the sliding seat is fixed at the bottom of the second supporting seat, the cross section of the sliding seat along the vertical direction is U-shaped, and the sliding seat is connected with the sliding rail in a sliding mode.

7. The automatic welding device that overturns of motorcycle frame positive and negative according to claim 6, characterized by: one side of the first rotating disc, which is far away from the pressing plate, is detachably connected with a positioning block, and a magnet piece for attracting the positioning block is fixed on the workbench.

8. The automatic welding device that overturns of motorcycle frame positive and negative according to claim 6, characterized by: a positioning rod is fixed at one end of the positioning column far away from the second turntable.