CN218136019U - Vehicle windshield frame assembly welding frock - Google Patents

Abstract

The assembly welding tool for the vehicle windshield frame comprises a tool body, wherein the tool body comprises a platform, and a positioning unit and a pressing mechanism unit which are arranged on the platform; the positioning unit comprises an end positioning part for positioning the end part of the windshield frame, a side positioning part for positioning the side part of the windshield frame and a bent plate positioning part for positioning a bent plate of the windshield frame; the pressing mechanism unit comprises a rotary pressing mechanism for pressing the top and the side of the windshield frame, a side pressing mechanism for pressing the side of the windshield frame and an end pressing mechanism for pressing the end of the windshield frame. The utility model discloses can guide operating personnel to place each part of windshield frame and carry out accurate location on each location portion that corresponds to compress tightly through corresponding hold-down mechanism, thereby carry out accurate location to height, length, the width direction of each part, guarantee that the dimensional error of every windshield frame is little, the size variation of greatly reduced windshield frame improves positioning accuracy.

Description

Vehicle windshield frame assembly welding frock

Technical Field

The utility model relates to an assembly welding frock, especially a vehicle windshield frame assembly welding frock.

Background

The high-speed motor train unit needs to use a windshield frame due to large wind resistance in the running process, the windshield frame usually comprises an inner frame and an outer frame, and all the parts are mainly formed by welding. The traditional welding mode usually adopts manual work to weld each part one by one, but the welding speed of the mode is slow, and welding quality is easy to be different, and size variation is large.

CN 215846630U discloses a high-speed motor train unit outer windshield frame profile welding tool, which is characterized in that a profile is placed between a first clamping plate and a second clamping plate, a handle is rotated to drive a disc and a second gear to rotate, under the action of meshing, a threaded rod is driven by a first gear to rotate, so that the first clamping plate gradually clamps the profile, and then the profile is further fixed through bolts and nuts. However, the welding tool is not suitable for positioning the profiles at different heights, otherwise, the welding tool needs to be manually held to control the first clamping plate to clamp the profiles; on the other hand, be not suitable for to the board of bending fix a position and compress tightly to lead to wasting time and energy, work efficiency is low, and this kind of frock is not suitable for the windshield frame structure of this application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough of prior art and providing a labour saving and time saving, vehicle windshield frame assembly welding frock that positioning accuracy is high.

The technical scheme of the utility model is that: a vehicle windshield frame assembly welding tool comprises a tool body, wherein the tool body comprises a platform, and a positioning unit and a pressing mechanism unit which are arranged on the platform; the positioning unit comprises an end positioning part for positioning the end part of the windshield frame, a side positioning part for positioning the side part of the windshield frame and a bent plate positioning part for positioning a bent plate of the windshield frame; the pressing mechanism unit comprises a rotary pressing mechanism for pressing the top and the side of the windshield frame, a side pressing mechanism for pressing the side of the windshield frame and an end pressing mechanism for pressing the end of the windshield frame.

Further, the windshield frame comprises an outer frame and an inner frame, and a gap is formed between the outer frame and the inner frame; the outer frame is bent outwards, and the upper portion of the inner frame is provided with a bent edge.

Furthermore, a plurality of rotary compactors and a plurality of outer frame side positioning blocks are arranged in the placing area of the outer frame; the outer side of outline is located to rotatory compactor, and inboard is located to outline lateral part locating piece, outline lateral part locating piece and rotatory compactor dislocation set.

Further, the rotary compressor comprises a first base, a first pressing arm, a first vertical screw rod head and a first horizontal screw rod head, wherein one end of the first pressing arm can rotate along the first base; the other end of the first pressure arm is bent, a first sleeve is arranged at the end part of the first pressure arm, an internal thread is arranged in the first sleeve, and the first vertical screw rod head comprises a threaded rod and a plane pressure head, is matched with the internal thread of the first sleeve through the threaded rod and is used for adjusting the vertical telescopic length of the first vertical screw rod head; the arm body of the first pressure arm is provided with a second sleeve, and the first horizontal screw rod head is matched with the inner thread of the second sleeve and used for adjusting the horizontal telescopic length of the first horizontal screw rod head.

Further, the outer frame side positioning block comprises a first bottom panel and a first positioning body arranged on the first bottom panel, and the first positioning body is connected with the first reinforcing piece; a first positioning notch is formed in one side, facing the outer frame, of the first positioning body; when the outer frame is positioned, the outer frame is arranged at the first positioning notch of the positioning block at the side part of the outer frame.

Furthermore, the placing area of the inner frame is provided with a plurality of inner frame hold-downs, a plurality of side positioning blocks and a plurality of inner frame edge positioning blocks; the side positioning block is arranged in a gap between the outer frame and the inner frame and is used for positioning the outer frame and the inner frame simultaneously; the inner frame edge positioning block is arranged on the inner side of the inner frame and used for positioning the bent edge of the inner frame; the inner frame presser and the inner frame edge positioning block are positioned at the same side.

Further, the side positioning block comprises a second bottom panel and a second positioning body arranged on the second bottom panel; a second positioning notch is formed in one side, facing the outer frame, of the second positioning body, and the shape of the second positioning notch is matched with the inner side face of the outer frame and the lower bending face; the second positioning body is provided with two convex blocks arranged at intervals at one side facing the inner frame and used for abutting against the outer side surface of the inner frame; the inner frame edge positioning block comprises a third bottom panel and a third positioning body arranged on the third bottom panel, and the third positioning body is connected with a third reinforcing piece; the upper portion of the third locating body is provided with a third locating notch at a position opposite to the bent edge of the inner frame, and the bottom surface and the end surface of the bent edge of the inner frame are arranged in the third locating notch for locating.

Furthermore, the inner frame presser comprises a second base, two second pressing arms and two second horizontal screw rod heads, wherein two second horizontal screw rod heads are arranged, sleeves are respectively arranged at two ends of each second pressing arm, and the two sleeves are respectively in threaded fit with the two second horizontal screw rod heads and used for adjusting the horizontal telescopic length of the second horizontal screw rod heads; one of the second horizontal screw heads is used for pressing the outer frame, and the other second horizontal screw head is used for pressing the inner frame.

Furthermore, the number of the outer frames and the number of the inner frames are at least two, an outer cross beam is arranged between one end of each adjacent outer frame, and an inner cross beam is arranged between one end of each adjacent inner frame; the inner cross beam and the outer cross beam are positioned on the same side, and the inner cross beam is positioned above the outer cross beam; the positioning pressing devices are arranged on the inner sides of the inner cross beam and the outer cross beam and comprise a fourth positioning body, and the fourth positioning body is provided with a pressing device and a fourth positioning notch and used for positioning and pressing the outer cross beam; and the fourth positioning body upwards extends to the bottom surface of the inner cross beam to position the inner cross beam.

Furthermore, the other ends of the outer frame and the inner frame are connected with a common beam together; a plurality of end pressing devices are arranged on the inner side of the common cross beam, and a plurality of end positioning blocks are arranged on the outer side of the common cross beam; the end pressing device is pressed at the inner side surface of the common cross beam; the end positioning block is provided with at least two lugs which are used for pressing the outer side surface of the common beam so as to position the end position of the common beam.

The utility model has the advantages that: on one hand, the positioning parts for positioning the side part, the end part and the bent plate of the windshield frame are arranged in the arrangement area of the windshield frame, so that an operator can be guided to place each part of the windshield frame on each corresponding positioning part for accurate positioning, and the parts are pressed tightly through the corresponding pressing mechanisms, so that the height, the length and the width directions of each part are accurately positioned, the small size error of each windshield frame is ensured, the size variation of the windshield frame is greatly reduced, and the positioning accuracy is improved; on the other hand, through carrying out structural design to each hold-down mechanism, can guarantee that each part of windshield frame can not produce not hard up when the welding, guarantee welding quality, reduce positioning error.

Drawings

Fig. 1 is a schematic perspective view of a tool body according to an embodiment of the present invention;

fig. 2 is a top view of a tool body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a windshield frame according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an end positioning block of an outer frame according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotary compressor according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an outer frame side positioning block according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an inner frame presser according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a side positioning block according to an embodiment of the present invention;

fig. 9 is a schematic structural view of an edge positioning block of the bezel according to the embodiment of the present invention;

fig. 10 is a schematic structural diagram of a positioning compactor according to an embodiment of the present invention.

The attached drawings indicate the following:

1. a platform; 2. a windshield frame; 3. rotating the compactor; 4. positioning blocks at the side parts of the outer frames; 5. an inner frame presser; 6. a side positioning block; 7. an inner frame edge positioning block; 8. positioning the compactor; 9. an end compactor; 10. an end positioning block; 11. a positioning block at the end part of the outer frame; 111. a flat plate;

21. an outer frame; 22. an inner frame; 23. an outer cross member; 24. an inner cross member; 25. a common cross beam; 26. a support beam; 221. bending the edge;

31. a first base; 32. a first pressing arm; 33. a first vertical screw head; 34. a first horizontal filament head; 35. a first sleeve; 36. a second sleeve; 37. a pin shaft; 331. a threaded rod; 332. a planar indenter;

41. a first bottom panel; 42. a first positioning body; 43. a first reinforcement; 44. a first positioning notch;

51. a second base 51;52. a second press arm; 53. a second horizontal filament head; 54. a sleeve;

61. the second bottom panel 61;62. a second positioning body; 63. a second positioning notch; 64. a bump; 65. a second reinforcement;

71. a third bottom panel; 72. a third positioning body; 73. a third reinforcement; 74. a third positioning notch; 75. a movable positioning rod;

81. a fourth bottom panel; 82. a fourth positioning body; 83. a fourth reinforcement; 84. a fourth positioning notch; 85. a horizontal block; 86. a nut; 87. a hexagon bolt.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As shown in fig. 1 and 2: a vehicle windshield frame assembly welding tool comprises a tool body, wherein the tool body comprises a platform 1, and a positioning unit and a pressing mechanism unit which are arranged on the platform, the positioning unit comprises an end positioning part for positioning the end part of a windshield frame 2, a side positioning part for positioning the side part of the windshield frame 2 and a bent plate positioning part for positioning a bent plate of the windshield frame 2; the pressing mechanism unit comprises a rotary pressing mechanism for pressing the top and the side of the windshield frame 2, a side pressing mechanism for pressing the side of the windshield frame 2 and an end pressing mechanism for pressing the end of the windshield frame.

As shown in fig. 3: in this embodiment, the windshield frame 2 includes two outer frames 21 and two inner frames 22, and a gap is provided between the outer frames 21 and the inner frames 22. An outer cross beam 23 is arranged between one ends of the two outer frames, an inner cross beam 24 is arranged between one ends of the two inner frames, the inner cross beam 24 and the outer cross beam 23 are positioned on the same side, and the inner cross beam 24 is positioned above the outer cross beam 23; the other ends of the outer and inner rims are connected together by a common cross-beam 25. Wherein, the outer frame 21 is bent outwards to form a character shape of' 21274; the outer beam 23 is also of a bent v-21274; the common beam 25 is vertically arranged, and the notch is arranged outwards; the upper part of the inner frame 22 is provided with a bending edge 221, and the upper part is sequentially horizontally bent towards the direction far away from the outer frame 21 and then vertically bent; the inner cross member 24 is an L-shaped structure with the notch disposed outwardly.

The following the utility model discloses a preferred embodiment of assembly welding frock:

as shown in fig. 1 and 2: in this embodiment, four rotary holddowns 3, four outer frame side positioning blocks 4, and two outer frame end positioning blocks 11 are provided in the placement areas of the two outer frames 21. Wherein, every outline 21 all corresponds two rotatory compactors 3, two outline lateral part locating pieces 4 and an outline tip locating piece 11, and all leans on the corner setting, and rotatory compactor 3 locates the outside of outline 21, and inboard, the dislocation set of outline lateral part locating piece 4 and rotatory compactor 3 is located to outline lateral part locating piece 4. As shown in fig. 4: the end of outline is located to outline end locating piece 11, and the terminal surface and the ground of outline support respectively on two flat boards 111 of vertical and horizontal placing of outline end locating piece 11.

As shown in fig. 5: specifically, the rotary compressor 3 includes a first base 31, a first pressing arm 32, a first vertical screw head 33 and a first horizontal screw head 34, the first pressing arm 32 is bent in an L shape, and the first base 31 is a T-shaped projection structure. One end of the first pressure arm 32 is clamped in the T-shaped groove of the T-shaped bump, is connected with the first base 31 through a pin shaft, and can rotate along the first base 31 through the pin shaft 37; the other end of first pressure arm 32 is buckled, and the tip is equipped with first sleeve 35, is equipped with the internal thread in the first sleeve 35, and first vertical lead screw head 33 includes threaded rod 331 (like hexagon head clamp bolt) and plane pressure head 332, through threaded rod 331 and the interior screw-thread fit of first sleeve 35, adjusts the vertical flexible length of first vertical lead screw head 33 to compress tightly on the upper portion face of bending of outline 21. The second sleeve 36 is arranged on the arm body of the first pressure arm 32, and the first horizontal screw head 34 is matched with the internal thread of the second sleeve 36 to adjust the horizontal telescopic length of the first horizontal screw head 34 so as to press the outer side surface of the outer frame 21. This embodiment is through setting up the pressure head of two not equidirectionals, can place the outline and move from top to bottom and back-and-forth to improve positioning accuracy and welding quality.

As shown in fig. 6: the outer frame side positioning block 4 includes a first bottom panel 41 and a first positioning body 42 provided on the first bottom panel, and a first reinforcing member 43 is provided on the back of the first positioning body. The side of the first positioning body 42 facing the outer frame is provided with a first positioning gap 44, and the first positioning gap 44 is grooved downwards from the top of the front side along the height direction of the first positioning body. When the outer frame 21 is positioned, the outer frame 21 is placed at the first positioning notch 44 of the positioning block at the side part of the outer frame, the shape of the first positioning notch 44 is matched with the inner side surface and the lower bending surface of the outer frame 21, and the upper bending surface and the outer side surface of the outer frame 21 are pressed tightly through the rotary pressing device 3, so that the outer frame is pressed and fixed.

In this embodiment, four inner frame pressing devices 5, four side positioning blocks 6, and four inner frame edge positioning blocks 7 are disposed in the placement areas of the two inner frames 22. Each inner frame 22 corresponds to two inner frame pressing devices 5, two side positioning blocks 6 and two inner frame edge positioning blocks 7. A gap is arranged between the inner frame 22 and the outer frame 21, and the lateral positioning block 6 is arranged at a preset position of the gap and used for positioning the outer frame and the inner frame simultaneously. The inner frame edge positioning block 7 is provided on the inner side of the inner frame 22, and is used to position the bent edge 221 of the inner frame. The inner frame presser 5 and the inner frame edge positioning block 7 are located on the same side, and the two inner frame pressers 5 are located between the two inner frame edge positioning blocks 7.

Specifically, as shown in fig. 7: interior border collet 5 includes second base 51, second pressure arm 52 and the horizontal screw head 53 of second, and the quantity of the horizontal screw head 53 of second has two, and the both ends of second pressure arm 52 are equipped with sleeve 54 respectively, and two sleeve 54 respectively with two horizontal screw head screw-thread fit of second, adjust the flexible length of level of the horizontal screw head 53 of second. Since the inner frame of the present embodiment is set to be lower in height than the outer frame, the second horizontal screw head located at the upper portion is used to press the outer frame 21, and the second horizontal screw head located at the lower portion is used to press the inner frame 22. This embodiment can cooperate with rotatory collet through the screw rod head that sets up two horizontal directions on the one hand, prevents the outline back-and-forth movement, and on the other hand can cooperate with lateral part locating piece 6, prevents interior frame back-and-forth movement, and can keep the fixed clearance between interior frame and the outline.

As shown in fig. 8: the side positioning block 6 comprises a second bottom panel 61 and a second positioning body 62 arranged on the second bottom panel; the second positioning body 62 is provided with a second positioning notch 63 on the side facing the outer frame, and the shape of the second positioning notch 63 is matched with the inner side surface and the lower bending surface of the outer frame 21, and is matched with the outer frame side positioning block 4 to position the outer frame 21. The second positioning body 62 is provided with two spaced apart protrusions 64 on the side facing the inner frame 22 for abutting against the outer side of the inner frame 22. The second positioning body 62 is provided with second reinforcing members 65 having a trapezoidal shape at both sides of the middle portion thereof.

As shown in fig. 9: since the upper end of the inner frame of this embodiment is provided with the bending edge 221, the bending edge 221 is bent to the side far away from the outer frame 21. Therefore, for precise positioning, the inner frame edge positioning block 7 is arranged on the inner side of the inner frame 22. The inner frame edge positioning block 7 comprises a third bottom surface plate 71 and a third positioning body 72 arranged on the third bottom surface plate, a third reinforcing piece 73 is arranged on the back of the third positioning body, a movable positioning rod 75 is arranged on the upper portion of the third positioning body, and the movable positioning rod 75 is rotatably connected with the third positioning body through a pin shaft. A third positioning notch 74 is provided at a position of one side of the movable positioning rod 75 opposite to the inner frame bending edge 221, and the bottom surface and the end surface of the inner frame bending edge 221 are positioned in the third positioning notch 74. The movement amount can be adjusted by the movable positioning rod 75, and the bent edge 221 of the inner frame is prevented from being bent.

In this embodiment, an inner beam 24 is disposed at one end of the inner frame 22, an outer beam 23 is disposed on the outer frame at the same side as the inner frame, support beams 26 are disposed on the outer beam 23 at intervals, the support beams 26 and the outer beam 23 are integrated, the outer beam 23 is welded to the lower portion of the outer frame 21, and the inner beam 24 is welded to the upper portion of the inner frame 22. The outer beam 23 is of a channel steel structure, and the notch is arranged upwards; the inner beam 24 is an L-shaped bending plate, and the notch is arranged towards the outside.

As shown in fig. 10: two positioning pressing devices 8 are arranged in the arrangement areas of the inner cross beam 24 and the outer cross beam 23, the positioning pressing devices 8 are arranged on the inner sides of the inner cross beam and the outer cross beam and are arranged by the middle portions, the positioning pressing devices comprise fourth bottom panels 81 and fourth positioning bodies 82 arranged on the fourth bottom panels, and fourth reinforcing parts 83 are arranged on the back faces of the fourth positioning bodies 82. The lower part of the fourth positioning body 82 is provided with a groove, a horizontal block 85 is embedded in the groove, a connecting hole is formed in the horizontal block, a nut 86 is arranged at the lower end of the connecting hole, and the bottom surface of the outer cross beam 23 is pressed by adjusting the length of the hexagonal bolt 87 extending out of the connecting hole along the nut 86. The fourth positioning body is provided with a fourth positioning notch 84 above the horizontal block, and the bottom surface of the outer beam 23 is positioned in the fourth positioning notch 84. The top of the fourth positioning body 82 extends upward to the bottom surface of the inner beam 24, and the inner beam 24 is positioned, so that the inner beam 24 is directly placed on the top of the fourth positioning body 82.

In this embodiment, the other ends of the inner frame 22 and the outer frame 21 are provided with a common beam 25, the notch of the common beam 25 faces outward, the inner side of the common beam 25 is provided with two end pressing devices 9, and the outer side is provided with two end positioning blocks 10. The structure of the end presser 9 is the same as that of the inner frame presser 5, and the end presser is pressed at the upper and lower positions on the inner side surface of the common cross beam 25, which is not described in detail herein. The end positioning block 10 is provided with at least one projection for pressing against the outer side surface of the common beam 25 to position the end position of the common beam 25.

In this embodiment, the rotary presser 3 constitutes the rotary pressing mechanism described above; the inner frame presser 5 constitutes the side pressing mechanism; the end presser 9 constitutes the aforementioned end pressing mechanism; the side positioning part is formed by the side positioning block 4 and the side positioning block 6 of the outer frame; the positioning block 7 at the edge of the inner frame forms the positioning part of the bent plate; the end positioning block 10, the positioning presser 8, and the outer frame end positioning block 11 constitute the aforementioned end positioning portion.

In this embodiment, the platform 1 is provided with a plurality of threaded holes for bolting with the pressing mechanisms and the positioning portions.

The working principle of the embodiment is as follows: install all hold-down mechanism and location portion on the platform fixedly through the bolt, then place each part of windshield frame in the position of each location portion, for example: arrange the one end of outline 21 in and carry out the tip location on outline tip locating piece 11, the medial surface and the bottom surface of outline are carried out the lateral part location by outline lateral part locating piece 4 and lateral part locating piece 6 simultaneously, treat tip and lateral part location back, then adjust first vertical screw rod head 33 and the first horizontal screw rod head 34 of rotatory compactor 3, compress tightly the top surface of outline through first vertical screw rod head 33, compress tightly the lateral surface of outline through first horizontal screw rod head 34. After the outer frames are fixed, the common beam 25 is placed between the two outer frames, the end of the common beam abuts against the end positioning block 10, and the common beam is compressed by the end compressor 9. After the common beam 25 is fixed, the inner frame is placed; the lateral surface of the inner frame is abutted to the bump 64 of the lateral positioning block 6, the bending edge 221 of the medial surface is arranged in the third positioning notch 74 of the inner frame edge positioning block 7 for positioning, the end part of the inner frame is in close contact with the shared beam 25, so that the positioning of the inner frame is realized, the bending edge 221 of the inner frame is pressed by the movable positioning rod 75 of the frame edge positioning block 7, and the medial surface of the inner frame and the medial surface of the outer frame are simultaneously pressed by the inner frame pressing device 5. After the inner frames are fixed, the inner cross beam is placed between the two inner frames, the bottom surface of the inner cross beam is placed at the top of the positioning compressor 8, and the height positioning of the inner cross beam is realized. And finally, placing the outer beam between the two outer frames, enabling the two ends of the outer beam to be in close contact with the outer frames, placing the outer beam in the fourth positioning notch 84 of the positioning compressor 8 for positioning, and finally compressing the bottom surface of the outer beam 23 through the adjusting hexagon bolt 87. And after all parts of the windshield frame are positioned and compressed, welding all the parts to form the integral structure of the windshield frame. Wherein, the both ends of sharing crossbeam 25 and outer frame welding, the one end of interior frame and sharing crossbeam welding, the other end and interior crossbeam welding, outer crossbeam and outer frame welding, and outer crossbeam passes through a supporting beam and welds with the interior crossbeam.

To sum up, the utility model discloses an aspect, through place the location portion of locating windshield frame lateral part, tip and the board of bending in the region of setting up of windshield frame, can guide operating personnel to place each part of windshield frame and carry out accurate location on each location portion that corresponds to compress tightly through corresponding hold-down mechanism, thereby carry out accurate location to the height, length, the width direction of each part, guarantee that the dimensional error of each windshield frame is little, greatly reduce the size variation of windshield frame, improve positioning accuracy; on the other hand, through carrying out structural design to each hold-down mechanism, can guarantee that each part of windshield frame can not produce not hard up when the welding, guarantee welding quality, reduce positioning error.

Claims (10)

1. A vehicle windshield frame assembly welding tool comprises a tool body, wherein the tool body comprises a platform, and a positioning unit and a pressing mechanism unit which are arranged on the platform; the positioning unit is characterized by comprising an end positioning part for positioning the end part of the windshield frame, a side positioning part for positioning the side part of the windshield frame and a bent plate positioning part for positioning a bent plate of the windshield frame; the pressing mechanism unit comprises a rotary pressing mechanism for pressing the top and the side of the windshield frame, a side pressing mechanism for pressing the side of the windshield frame and an end pressing mechanism for pressing the end of the windshield frame.

2. The vehicle windshield frame assembling and welding tool according to claim 1, wherein the windshield frame comprises an outer frame and an inner frame, and a gap is formed between the outer frame and the inner frame; the outer frame is bent outwards, and the upper portion of the inner frame is provided with a bent edge.

3. The vehicle windshield frame assembly and welding tool of claim 2, wherein a plurality of rotary compactors and a plurality of outer frame side positioning blocks are arranged in the placement area of the outer frame; the outer side of outline is located to rotatory compactor, and inboard is located to outline lateral part locating piece, outline lateral part locating piece and rotatory compactor dislocation set.

4. The vehicle windshield frame assembly welding tool of claim 3, wherein the rotary compactor comprises a first base, a first pressing arm, a first vertical screw head and a first horizontal screw head, and one end of the first pressing arm can rotate along the first base; the other end of the first pressure arm is bent, a first sleeve is arranged at the end part of the first pressure arm, an internal thread is arranged in the first sleeve, and the first vertical screw rod head comprises a threaded rod and a plane pressure head, is matched with the internal thread of the first sleeve through the threaded rod and is used for adjusting the vertical telescopic length of the first vertical screw rod head; the arm body of the first pressure arm is provided with a second sleeve, and the first horizontal screw rod head is matched with the inner thread of the second sleeve and used for adjusting the horizontal telescopic length of the first horizontal screw rod head.

5. The vehicle windshield frame assembly welding tool of claim 3, wherein the outer frame side positioning block comprises a first bottom panel and a first positioning body arranged on the first bottom panel, and the first positioning body is connected with the first reinforcing member; a first positioning notch is formed in one side, facing the outer frame, of the first positioning body; when the outer frame is positioned, the outer frame is arranged at the first positioning notch of the positioning block at the side part of the outer frame.

6. The vehicle windshield frame assembly welding tool according to claim 3, wherein the placement area of the inner frame is provided with a plurality of inner frame hold-downs, a plurality of side positioning blocks and a plurality of inner frame edge positioning blocks; the side positioning block is arranged in a gap between the outer frame and the inner frame and is used for positioning the outer frame and the inner frame simultaneously; the inner frame edge positioning block is arranged on the inner side of the inner frame and used for positioning the bent edge of the inner frame; the inner frame presser and the inner frame edge positioning block are positioned at the same side.

7. The vehicle windshield frame assembly welding tool of claim 6, wherein the side positioning block comprises a second bottom panel and a second positioning body arranged on the second bottom panel; the second positioning body is provided with a second positioning notch at one side facing the outer frame, and the shape of the second positioning notch is matched with the inner side surface of the outer frame and the lower bending surface; the second positioning body is provided with two convex blocks arranged at intervals at one side facing the inner frame and used for abutting against the outer side surface of the inner frame; the inner frame edge positioning block comprises a third bottom panel and a third positioning body arranged on the third bottom panel, and the third positioning body is connected with a third reinforcing piece; the upper portion of the third locating body is provided with a third locating notch at a position opposite to the bent edge of the inner frame, and the bottom surface and the end surface of the bent edge of the inner frame are arranged in the third locating notch for locating.

8. The vehicle windshield frame assembly welding tool according to claim 6, wherein the inner frame compactor comprises a second base, two second pressing arms and two second horizontal screw heads, the number of the second horizontal screw heads is two, sleeves are respectively arranged at two ends of each second pressing arm, and the two sleeves are respectively in threaded fit with the two second horizontal screw heads and used for adjusting the horizontal telescopic length of the second horizontal screw heads; one of the second horizontal screw heads is used for pressing the outer frame, and the other second horizontal screw head is used for pressing the inner frame.

9. The vehicle windshield frame assembling and welding tool according to claim 2, wherein the number of the outer frames and the number of the inner frames are at least two, an outer cross beam is arranged between one ends of the adjacent outer frames, and an inner cross beam is arranged between one ends of the adjacent inner frames; the inner cross beam and the outer cross beam are positioned on the same side, and the inner cross beam is positioned above the outer cross beam; the positioning pressing devices are arranged on the inner sides of the inner cross beam and the outer cross beam and comprise a fourth positioning body, and the fourth positioning body is provided with a pressing device and a fourth positioning notch and used for positioning and pressing the outer cross beam; and the fourth positioning body upwards extends to the bottom surface of the inner cross beam to position the inner cross beam.

10. The vehicle windshield frame assembling and welding tool according to claim 2, wherein the other ends of the outer frame and the inner frame are connected with a common cross beam; a plurality of end pressing devices are arranged on the inner side of the common cross beam, and a plurality of end positioning blocks are arranged on the outer side of the common cross beam; the end pressing device is pressed at the inner side surface of the common cross beam; the end positioning block is provided with at least two lugs which are used for pressing the outer side surface of the common beam so as to position the end position of the common beam.

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