Electric vehicle frame welding tool
By designing welding fixtures for electric vehicle frames, electric telescopic rods and motor-driven clamping components are used to fix steel pipes, and transmission belts are used to achieve stable clamping and rotation of the steel pipes. This solves the problems of steel pipe swaying and manual movement during the welding process of electric vehicle frames, improves welding efficiency and reduces labor intensity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-04-10
AI Technical Summary
During the welding process, the steel pipes of the electric vehicle frame are prone to shaking, requiring workers to frequently move and adjust the welding position, resulting in inconvenience and high labor intensity.
A welding fixture for electric vehicle frames was designed, including a main body and a rotating mechanism. The steel pipe is fixed by an electric telescopic rod and a motor-driven clamping device. Combined with a transmission belt, the steel pipe is stably clamped and rotated, reducing manual movement.
This technology enables the steel pipe to achieve stability and automatic rotation during the welding process, reducing the labor intensity of workers and improving welding efficiency and convenience.
Smart Images

Figure CN224102109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle production equipment technical field, concretely is a kind of electric vehicle frame welding tool. BACKGROUND
[0002] The frame of electric vehicle is the skeleton structure of supporting whole vehicle, it connects wheel, suspension system, motor and other important components, while bearing weight and force in the process of riding, when electric vehicle frame is produced, multiple steel pipes need to be welded to form entire electric vehicle frame assembly.
[0003] The existing electric vehicle frame mainly has the following disadvantages in the welding process: steel pipe is easy to shake in the welding process, and workers need to frequently move to adjust the welding position when welding, which is more troublesome, time-consuming and labor-intensive, therefore, there is room for improvement. UTILITY MODEL CONTENT
[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme that a kind of electric vehicle frame welding tool, it includes: main body mechanism and rotating mechanism, the main body mechanism includes bottom plate, two symmetrical installation in the top of bottom plate Transverse fixing piece, fixed in the top of bottom plate Half ring plate, slidingly set on the U-shaped frame of half ring plate, install the first drive piece in the one side of U-shaped frame And symmetrical fixed in the other side of U-shaped frame Longitudinal clamping piece.
[0006] The rotating mechanism includes the base that is set in the bottom plate below, the bearing that is fixed on the inner wall of base, the central shaft that is fixed in the inner ring of bearing and top and bottom plate fixed connection, the side plate that is fixed in one side of base, install the second drive piece on side plate And one end is sleeved on the central shaft and the other end is sleeved on the transmission belt of second drive piece.
[0007] The utility model can be further configured in a preferred example as follows: the transverse fixing piece includes the lower clamping seat that is fixed in the top of bottom plate, the lateral support plate that is fixed in one side of lower clamping seat, install the first electric telescopic rod that is fixed in the top of lateral support plate and passes through lateral support plate And the upper clamping seat that is fixed in the bottom end of first electric telescopic rod.
[0008] The utility model can be further configured in a preferred example as follows: both sides of half ring plate are opened half ring groove, the inner side of U-shaped frame is provided with arc strip, the arc strip is slidably embedded in half ring groove, and the inner side of half ring plate is provided with tooth ring.
[0009] The utility model discloses a further configuration in a preferable example can be: first drive piece includes the gear of rotation installation in the inside of U -shaped frame and the first motor of fixed in U -shaped frame one side and axle with gear fixed connection, gear and tooth ring are mutually engaged.
[0010] The utility model discloses a further configuration in a preferable example can be: longitudinal clamping piece includes fixed on the casing of U -shaped frame, fixed on the second electric telescopic handle of casing inner wall and the clamping block of fixed in electric telescopic handle end.
[0011] The utility model discloses a further configuration in a preferable example can be: second drive piece includes the second motor of fixed on the side plate and axle passes through side plate and the pulley of fixed on second motor axle.
[0012] The utility model discloses a further configuration in a preferable example can be: the outside of center shaft is opened the annular groove, and the one end of transmission belt is connected in annular groove, and the other end is connected in pulley.
[0013] Through adopting above-mentioned technical scheme, the utility model has obtained the beneficial effect that:
[0014] 1. In the utility model, two horizontal fixed seats are fixed symmetrically on the top end of the bottom plate, a half ring plate is fixed on the top end of the bottom plate, a U-shaped frame is arranged on the half ring plate, and the U-shaped frame is driven by the first driving member to move on the half ring plate. Meanwhile, longitudinal clamping members are symmetrically installed on one side of the U-shaped frame. In use, the steel pipes constituting the electric vehicle frame are placed on the two horizontal fixed seats, and the steel pipes to be welded are fixed by the longitudinal clamping seat. The stability of the frame steel pipes during welding can be ensured. The longitudinal clamping members can freely adjust the position according to the included angle between the two frame steel pipes. The frame steel pipes with different included angles can be clamped and fixed, thereby ensuring the stability during welding.
[0015] 2. In the utility model, a base is arranged, a bearing is installed on the base, a center shaft is fixed on the inner ring of the bearing, the top end of the center shaft is fixedly connected with the bottom plate, a side plate is fixed on one side of the base, a second driving member is installed on the side plate, and the second driving member is connected with the center shaft through a transmission belt. Through the above arrangement, when the worker completes welding on one side of the frame steel pipe, the second driving member is driven to rotate the center shaft through the transmission belt. The rotation of the center shaft drives the bottom plate to rotate, i.e. drives the frame steel pipe fixed on the bottom plate to rotate. This facilitates the worker to weld on the other side of the frame steel pipe, avoids the need for frequent movement during welding by manual work, and effectively reduces the labor intensity of the worker. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model discloses a structure schematic view;
[0017] Figure 2 This is a bottom view of the structure of this utility model;
[0018] Figure 3 This is an exploded structural diagram of the present invention;
[0019] Figure 4 This is a schematic diagram of the main structure of the present invention.
[0020] Figure 5 This is a schematic diagram of some of the main structures of this utility model;
[0021] Figure 6 This utility model Figure 5 Schematic diagrams of side and front views.
[0022] Figure label:
[0023] 100. Main structure; 110. Base plate; 120. Lateral fixing component; 121. Lower clamping seat; 122. Lateral support plate; 123. First electric telescopic rod; 124. Upper clamping seat; 130. Semi-ring plate; 131. Semi-ring groove; 132. Gear ring; 140. U-shaped frame; 141. Arc strip; 150. First driving component; 151. First motor; 152. Gear; 160. Longitudinal clamping component; 161. Housing; 162. Second electric telescopic rod; 163. Clamping block;
[0024] 200. Rotating mechanism; 210. Base; 220. Bearing; 230. Central shaft; 231. Annular groove; 240. Side plate; 250. Second driving component; 251. Second motor; 252. Pulley; 260. Transmission belt. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.
[0026] Some embodiments of this utility model are described below with reference to the accompanying drawings. Example
[0027] Combination Figures 1-6 As shown, this embodiment provides a welding fixture for an electric vehicle frame, including: a main body mechanism 100 and a rotating mechanism 200.
[0028] The main body 100 comprises a base plate 110, two symmetrical lateral fixing members 120 installed on the top of the base plate 110, a semi-ring plate 130 fixed on the top of the base plate 110, a U-shaped frame 140 slidingly arranged on the semi-ring plate 130, a first driving member 150 installed on one side of the U-shaped frame 140, and two longitudinal clamping members 160 symmetrically fixed on the other side of the U-shaped frame 140.
[0029] The base plate 110 is used for installing other components, the lateral fixing member 120 is used for fixing one of the two welded frame steel pipes, and the lateral fixing member 120 comprises a lower clamping seat 121 fixed on the top of the base plate 110, a lateral support plate 122 fixed on one side of the lower clamping seat 121, a first electric telescopic rod 123 installed on the top of the lateral support plate 122 and penetrating through the lateral support plate 122, and an upper clamping seat 124 fixed on the bottom end of the first electric telescopic rod 123. The frame steel pipe is placed on the lower clamping seat 121, the first electric telescopic rod 123 is started to drive the upper clamping seat 124 to move downward, and the lower clamping seat 121 is used for fixing the frame steel pipe.
[0030] The semi-ring plate 130 is used for installing the U-shaped frame 140, and a semi-ring groove 131 is formed on both sides of the semi-ring plate 130. An arc-shaped strip 141 is arranged on the inner side of the U-shaped frame 140, and the arc-shaped strip 141 is slidingly embedded in the semi-ring groove 131, so that the U-shaped frame 140 can move along the semi-ring plate 130. In addition, a tooth ring 132 is arranged on the inner side of the semi-ring plate 130. The first driving member 150 comprises a gear 152 rotatably installed on the inner side of the U-shaped frame 140 and a first motor 151 fixed on one side of the U-shaped frame 140 and having an axis fixedly connected with the gear 152. The gear 152 is engaged with the tooth ring 132. When the first motor 151 is started, the gear 152 is rotated to drive the U-shaped frame 140 to move on the semi-ring plate 130.
[0031] The longitudinal clamping member 160 is used for fixing the other of the two welded frame steel pipes, and comprises a housing 161 fixed on the U-shaped frame 140, a second electric telescopic rod 162 fixed on the inner wall of the housing 161, and a clamping block 163 fixed on the end of the electric telescopic rod. The housing 161 is fixed on the U-shaped frame 140 to facilitate movement with the U-shaped frame 140. The second electric telescopic rod 162 is used for driving the clamping block 163 to be telescopic to facilitate clamping and fixing the frame steel pipe. The clamping block 163 is in a U shape, one end of which is embedded in the inner cavity of the housing 161, and the other end of which extends out of the housing 161. The clamping blocks 163 in the two longitudinal clamping members 160 are matched with each other to fix the frame steel pipe and ensure the stability of the frame steel pipe during welding.
[0032] The rotating mechanism 200 is used for driving the bottom plate 110 to rotate, and then drives the frame steel pipe to rotate, avoids the personnel to move to the other side of the frame to weld, and comprises a base 210 arranged below the bottom plate 110, a bearing 220 fixed on the inner wall of the base 210, a central shaft 230 fixed on the inner ring of the bearing 220 and fixedly connected with the top end of the bottom plate 110, a side plate 240 fixed on one side of the base 210, a second driving part 250 installed on the side plate 240 and a transmission belt 260 sleeved on one end of the central shaft 230 and the other end of the second driving part 250.
[0033] The base 210 is used for installing the bearing 220, the outer ring of the bearing 220 is fixed on the base 210, the inner ring is fixed with the central seat, the stability of the central shaft 230 during rotation is guaranteed, the top end of the central shaft 230 is fixed with the bottom plate 110, that is, the bottom plate 110 is conveniently rotated, and the side plate 240 is used for installing the second driving part 250.
[0034] The second driving part 250 comprises a second motor 251 fixed on the side plate 240 and the shaft of which penetrates through the side plate 240 and a belt pulley 252 fixed on the shaft of the second motor 251, and meanwhile, an annular groove 231 is formed on the outer side of the central shaft 230, one end of the transmission belt 260 is sleeved in the annular groove 231, and the other end is sleeved on the belt pulley 252, so that when the second motor 251 is started, the belt pulley 252 is driven to rotate, the belt pulley 252 rotates through the transmission belt 260 to drive the central shaft 230 to rotate, and then drives the bottom plate 110 to rotate, that is, drives the frame steel pipe fixed on the bottom plate 110 to rotate, and the other side of the frame steel pipe is conveniently welded by the worker.
[0035] The working principle and use process of the utility model: when using, the both sides of the frame steel pipe are placed on the lower clamping seat 121 on both sides, the first electric telescopic rod 123 is started, the upper clamping seat 124 is driven to move downwards, the both sides of the frame steel pipe are fixed by cooperating with the lower clamping seat 121, the position of the U-shaped frame 140 is adjusted according to the welding angle of the two frame steel pipes, the first motor 151 is started, the gear 152 is driven to rotate, the gear 152 rotates on the gear ring 132, the U-shaped frame 140 is driven to move on the half ring plate 130, after adjusting, the other frame steel pipe is placed between the two longitudinal clamping pieces 160 and makes its end part close to the frame steel pipe on the horizontal fixing piece 120, at this time, the second electric telescopic rod 162 is started, the clamping block 163 is driven to extend, the clamping blocks 163 on both sides cooperate with each other, the frame steel pipe is clamped and fixed, at this time, the worker can weld the connecting part of the two frame steel pipes, after welding on one side is completed, the second motor 251 is started, the belt pulley 252 is driven to rotate, the belt pulley 252 rotates and drives the central shaft 230 to rotate through the transmission belt 260, the central shaft 230 rotates and drives the bottom plate 110 to rotate, that is, the frame steel pipe fixed on the bottom plate 110 is driven to rotate, at this time, the worker can weld the other side of the frame steel pipe.
[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.
Claims
1. An electric vehicle frame welding fixture comprising: The utility model relates to a kind of rotating mechanism (200) and main body mechanism (100), it is characterized in that, the main body mechanism (100) includes bottom plate (110), two symmetrical installation in the top of bottom plate (110) transverse fixing piece (120), fixed in the top of bottom plate (110) half ring plate (130), slidingly set on the U-shaped frame (140) of half ring plate (130), first drive (150) is installed in one side of U-shaped frame (140) and the longitudinal clamping piece (160) symmetrically fixed in the other side of U-shaped frame (140). The rotating mechanism (200) includes the base (210) being arranged below the bottom plate (110), the bearing (220) being fixed on the inner wall of the base (210), the central shaft (230) being fixed in the inner ring of the bearing (220) and being fixedly connected with the bottom plate (110) at the top, the side plate (240) being fixed on one side of the base (210), the second drive (250) being installed on the side plate (240), and the transmission belt (260) being sleeved on one end of the central shaft (230) and the other end of the second drive (250).
2. The electric vehicle frame welding tooling of claim 1, wherein, The transverse fixing piece (120) includes the lower clamping seat (121) being fixed on the top of the bottom plate (110), the lateral support plate (122) being fixed on one side of the lower clamping seat (121), the first electric telescopic rod (123) being installed on the top of the lateral support plate (122) and penetrating through the lateral support plate (122), and the upper clamping seat (124) being fixed on the bottom end of the first electric telescopic rod (123).
3. The electric vehicle frame welding fixture of claim 1, wherein, The half ring plate (130) is provided with a half ring groove (131) on both sides, the U-shaped frame (140) is provided with an arc-shaped strip (141) on the inner side, the arc-shaped strip (141) is slidingly embedded in the half ring groove (131), and a tooth ring (132) is arranged on the inner side of the half ring plate (130).
4. The electric vehicle frame welding tooling of claim 3, wherein, The first drive (150) includes the gear (152) being rotatably installed on the inner side of the U-shaped frame (140) and the first motor (151) being fixed on one side of the U-shaped frame (140) and being fixedly connected with the gear (152) through the shaft, and the gear (152) is engaged with the tooth ring (132).
5. The electric vehicle frame welding fixture of claim 1, wherein, The longitudinal clamping piece (160) includes the housing (161) being fixed on the U-shaped frame (140), the second electric telescopic rod (162) being fixed on the inner wall of the housing (161), and the clamping block (163) being fixed on the end of the electric telescopic rod.
6. The electric vehicle frame welding fixture of claim 1, wherein, The second drive (250) includes the second motor (251) being fixed on the side plate (240) and penetrating through the side plate (240) through the shaft, and the pulley (252) being fixed on the shaft of the second motor (251).
7. The electric vehicle frame welding fixture of claim 6, wherein, The outer side of the central shaft (230) is provided with an annular groove (231), one end of the transmission belt (260) is sleeved in the annular groove (231), and the other end is sleeved on the pulley (252).