阅读说明：本技术 一种基于bim装配式钢结构建筑钢质预制件加工装置 (Based on BIM assembled steel construction building steel prefab processingequipment ) 是由 郭魁 于 2021-07-22 设计创作，主要内容包括：本发明涉及建筑钢结构技术领域,具体的说是一种基于BIM装配式钢结构建筑钢质预制件加工装置；本发明通过对多个支架进行预支撑并定位的处理,从而在夹持作业前对多个支架先进行定位作业,从而解决了多个支架分开进行夹持时难以有效的对位和定位而造成玻璃支撑架高低不一造成无法对玻璃挡雨板进行有效支撑的问题；本发明通过可以快速放置的玻璃支撑架的结构,再通过对玻璃支撑架进行批量固定,从而解决了无法对将多个玻璃支撑架固定并与支架进行有效的焊接作业的问题。(The invention relates to the technical field of building steel structures, in particular to a device for processing a building steel prefabricated part based on a BIM assembly type steel structure; according to the invention, the plurality of supports are pre-supported and positioned, so that the plurality of supports are firstly positioned before clamping operation, and the problem that the glass rain shield cannot be effectively supported due to different heights of the glass support frames caused by difficulty in effective alignment and positioning when the plurality of supports are separately clamped is solved; according to the invention, through the structure of the glass support frames which can be placed quickly and the batch fixation of the glass support frames, the problem that a plurality of glass support frames can not be fixed and can not be effectively welded with the support is solved.)

1. The utility model provides a based on BIM assembled steel construction building steel prefab processingequipment, includes base (1), combination fixed establishment (2) and location fixture (3), its characterized in that: the rear side of the upper end of the base (1) is provided with a combined fixing mechanism (2), and the front side of the upper end of the base (1) is provided with a positioning and clamping mechanism (3); the combined fixing mechanism (2) comprises a placing frame (21), a claw-shaped positioning frame (22), an Contraband-shaped frame (23), a rotating column (24), a fixed pressing plate (25), a rotating frame (26), a rotating clamping frame (27) and a clamping unit (28), wherein the placing frame (21) is arranged on the rear side of the upper end of the base (1), the claw-shaped positioning frame (22) is arranged at the front end of the placing frame (21) in a sliding mode, fixed hole grooves are uniformly formed in the upper end of the claw-shaped positioning frame (22), the claw-shaped positioning frame (22) is uniformly provided with the fixing hole grooves from left to right, the Contraband-shaped frame (23) is uniformly arranged at the upper end of the claw-shaped positioning frame (22) from left to right, the rotating column (24) is rotatably arranged between the inner walls of the left end and the right end of the Contraband-shaped frame (23), the fixed pressing plates (25) are symmetrically arranged on the outer wall of the rotating column (24) from left to right, the rotating frame (26) is commonly arranged at the front end of the fixed pressing plate (25), and the rotating clamping frame (27) is rotatably arranged between the left side wall and the right side wall of the rotating frame (26), a clamping unit (28) is arranged between the rotary clamping frame (27) and the claw-shaped positioning frame (22);

the positioning and clamping mechanism (3) comprises a threaded column (31), a feeding pressing plate (32), a sliding rod (33), a matching pressing plate (34), an extrusion spring (35), a positioning pressing plate (36), a bearing unit (37) and a driving unit (38); auxiliary cavity and centre gripping chamber have been down seted up respectively from last in arrangement frame (21), be provided with screw thread post (31) through the rotation mode on the right-hand member inner wall of centre gripping chamber, the guide way has evenly been seted up to going right from a left side in arrangement frame (21) front end, it is connected with the guide way to feed clamp plate (32) lateral wall through the slip mode, it is connected with screw thread post (31) through threaded connection mode to feed clamp plate (32), it is provided with slide bar (33) to feed clamp plate (32) right-hand member slip interlude, slide bar (33) right-hand member is provided with cooperation clamp plate (34), be provided with extrusion spring (35) between cooperation clamp plate (34) and the feed clamp plate (32), arrangement frame (21) front end is gone right from a left side and is provided with positioning pressure plate (36), positioning pressure plate (36) and cooperation clamp plate (34) one-to-one, base (1) upper end front side is provided with bearing unit (37), be provided with drive unit (38) on the auxiliary cavity upper end inner wall.

2. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: four corners of base (1) lower extreme be provided with the support column, base (1) lower extreme has seted up the cooperation and has led to the groove.

3. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: the clamping unit (28) comprises an L-shaped clamping plate (281), a torsion spring (282) and an unlocking push block (283), the L-shaped clamping plate (281) is rotatably arranged between the left side wall and the right side wall of the rotary clamping frame (27), an L-shaped clamping groove is formed in the front end of the claw-shaped positioning frame (22), the L-shaped clamping plate (281) is connected with the L-shaped clamping groove in a clamping mode, the torsion spring (282) is arranged between the L-shaped clamping plate (281) and the side wall of the rotary clamping frame (27), and the unlocking push block (283) is slidably arranged at the lower end of the claw-shaped positioning frame (22).

4. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: bearing unit (37) including supporting bracket (371), rotate supporting plate (372), sliding block (373), rotatory lead screw (374) and articulated pole (375), it puts in base (1) upper end front side to establish supporting bracket (371), supporting bracket (371) upper end bilateral symmetry is provided with supplementary revolving rack, it is provided with to rotate between the supplementary revolving rack and rotates supporting plate (372), supporting groove has been seted up to supporting bracket (371) upper end, it is provided with sliding block (373) to slide on the inner wall of supporting groove rear end, sliding block (373) front end rotates and is provided with rotatory lead screw (374), rotatory lead screw (374) are connected with supporting bracket (371) through threaded connection, it is provided with articulated pole (375) to articulate between sliding block (373) and the rotation supporting plate (372).

5. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: the near ends of the positioning pressure plate (36) and the matching pressure plate (34) are provided with rubber extrusion pads.

6. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: the driving unit (38) comprises a rotating rod (381), a first bevel gear (382), a rotating stud (383), a second bevel gear (384) and a rotating handle (385), the left end of the threaded column (31) is provided with the rotating rod (381), the first bevel gear (382) is arranged on the outer wall of the rotating rod (381), the left end of the rotating rod (381) is provided with the rotating handle (385), the rotating stud (383) is rotatably arranged at the upper end of the auxiliary cavity, the lower end of the rotating stud (383) is provided with the second bevel gear (384), and the first bevel gear (382) is connected with the second bevel gear (384) in a meshing mode.

7. The BIM-based fabricated steel structure construction steel prefabricated part machining device is characterized in that: the claw-shaped positioning frame (22) is connected with the rotary stud (383) in a threaded connection mode.

8. The BIM-based fabricated steel structure construction steel prefabricated part processing device is characterized in that: and a limiting baffle is arranged at the left end of the sliding rod (33).

Technical Field

The invention relates to the technical field of building steel structures, in particular to a device for processing a building steel prefabricated part based on a BIM assembly type steel structure.

Background

The fabricated steel structure building refers to a fabricated building of which the structural system is formed by steel structures, wherein a BIM technology is adopted; a BIM (building information model) is a new tool for architecture, engineering and civil engineering, and is a computer-aided design for describing computer-aided design mainly based on three-dimensional figures, object guidance and architecture, wherein the most designed three-dimensional figures are steel structure prefabricated members, and the steel structures are simulated and assembled in a program and then actually produced, so that the cost is saved, the steel prefabricated members are various, and a metal bracket for a glass rain baffle plate installed at a building gate is a steel prefabricated member.

The glass support is arranged at the gate of most large buildings, the glass rain shield is arranged at the upper end of the glass support, the glass support plate generally comprises a support, a support column, a glass support frame and a searchlight, the support column reinforces the support structure, the glass support frame supports the glass rain shield in a larger area, and the searchlight is used for night illumination;

the following problems exist in the process of assembling the glass bracket: one, because the large building gate is often wide enough to need make up the back with a plurality of supports, install glass support frame and searchlight again, but a plurality of supports are difficult to effectual counterpoint and location when separately carrying out the centre gripping, thereby make glass support frame height differ lead to can't effectively supporting glass weather shield, owing to need install a plurality of glass support frames simultaneously, thereby be difficult to make a plurality of glass support frame lower extremes effectively support tightly with the support simultaneously, thereby can't carry out effectual welding operation to glass support frame and support.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme to realize: a BIM-based assembly type steel structure building steel prefabricated part machining device comprises a base, a combined fixing mechanism and a positioning and clamping mechanism, wherein the combined fixing mechanism is arranged on the rear side of the upper end of the base, and the positioning and clamping mechanism is arranged on the front side of the upper end of the base; the combined fixing mechanism comprises a placing frame, a claw-shaped positioning frame, an Contraband-shaped frame, a rotating column, a fixed pressure plate, a rotating frame, a rotating clamping frame and a clamping unit, the placing frame is arranged on the rear side of the upper end of the base, the front end of the placing frame is slidably provided with the claw-shaped positioning frame, the upper end of the claw-shaped positioning frame is uniformly provided with fixed hole grooves, the upper end of the claw-shaped positioning frame is uniformly provided with the Contraband-shaped frame from left to right, the rotating column is rotatably arranged between the inner walls of the left end and the right end of the Contraband-shaped frame, the outer wall of the rotating column is symmetrically provided with the fixed pressure plate from left to right, the front end of the fixed pressure plate is provided with the rotating frame, the rotating clamping frame is rotatably arranged between the two side walls of the rotating frame, and the clamping unit is arranged between the rotating clamping frame and the claw-shaped positioning frame; after the bearing unit is adjusted, a plurality of glass supporting frames are placed at the fixed hole grooves, then the claw-shaped positioning frame is rotated downwards manually, the rotary clamping frame is locked with the claw-shaped positioning frame through the clamping unit, the glass supporting frame is limited and fixed through the fixed pressing plate, the driving unit drives the threaded column to rotate, the matched pressing plate drives the claw-shaped positioning frame and the glass supporting frames to feed downwards while clamping the supports, when the supports are completely fixed, the driving unit drives the threaded column to rotate continuously, the feeding pressing plate moves continuously under the driving of the threaded column, the extrusion spring is compressed under the pressure, the feeding pressing plate is gradually close to the matched pressing plate, the rotary stud also rotates continuously under the matching driving of the first bevel gear and the second bevel gear, the claw-shaped positioning frame and the Contraband-shaped frame are driven to move downwards continuously, and the clamping force borne by the supports is gradually increased, the lower end of the glass support frame is gradually close to and tightly abutted against the top of the support, so that subsequent welding operation is facilitated.

The positioning and clamping mechanism comprises a threaded column, a feeding pressing plate, a sliding rod, a matching pressing plate, an extrusion spring, a positioning pressing plate, a bearing unit and a driving unit; from last supplementary chamber and the centre gripping chamber of down having seted up respectively in the arrangement frame, be provided with the screw thread post through the rotation mode on the right-hand member inner wall of centre gripping chamber, the guide way has evenly been seted up from a left side to turning right to the arrangement frame front end, it is connected with the guide way through the slip mode to feed the clamp plate lateral wall, it is connected with the screw thread post through the threaded connection mode to feed the clamp plate, it is provided with the slide bar to feed the slide interlude of clamp plate right-hand member, the slide bar right-hand member is provided with the cooperation clamp plate, be provided with the extrusion spring between cooperation clamp plate and the feeding clamp plate, the arrangement frame front end is turned right from a left side and is provided with positioning pressure plate, positioning pressure plate and cooperation clamp plate one-to-one, base upper end front side is provided with the bearing unit, be provided with drive unit on the inner wall of supplementary chamber upper end. Contradict support right angle face on the mount frame to place at bearing unit upside, through adjusting the bearing unit, thereby make support right angle side level and smooth hugging closely before the mount frame on the terminal surface, pass a plurality of supports and welded fastening simultaneously with the support column through the manual work again, then it is rotatory to drive the screw thread post through drive unit, thereby it feeds right to drive through the screw thread post and feeds the clamp plate and smoothly hug closely the support fixed centre gripping on the terminal surface before the mount frame with a plurality of sides simultaneously.

Preferably, four corners of the lower end of the base are provided with support columns, and the lower end of the base is provided with a matched through groove.

Preferably, the clamping unit comprises an L-shaped clamping plate, a torsion spring and an unlocking push block, the L-shaped clamping plate is rotatably arranged between two side walls of the rotary clamping frame, the torsion spring is arranged between the L-shaped clamping plate and the side wall of the rotary clamping frame, and the unlocking push block is slidably arranged at the lower end of the claw-shaped positioning frame. The L-shaped clamping plate is connected with the L-shaped clamping groove in a clamping mode, and the unlocking push block is pushed to enable the L-shaped clamping plate to turn upwards, so that the L-shaped clamping plate is separated from the claw-shaped positioning frame. The rotary clamping frame is unlocked with the claw-shaped positioning frame, and the L-shaped clamping plate is kept at the torsion turned downwards by the torsion spring, so that the rotary clamping frame is prevented from being automatically unlocked with the claw-shaped positioning frame.

Preferably, the bearing unit including support bracket, rotation support board, sliding block, rotatory lead screw and hinge bar, establish the support and erect and put in base upper end front side, support bracket upper end bilateral symmetry is provided with supplementary revolving rack, it is provided with the rotation support board to rotate between the supplementary revolving rack, support the bracket upper end and seted up the support groove, it is provided with the sliding block to slide on the support groove rear end inner wall, the sliding block front end rotates and is provided with rotatory lead screw, rotatory lead screw is connected with the support bracket through threaded connection mode, the articulated hinge bar that is provided with between sliding block and the rotation support board. Thereby twist through the manual work and move rotatory lead screw and drive the sliding block and feed right, the effect of rethread hinge bar drives down to rotate the layer board upset to support the lower terminal surface of support and make the support right angle side level hug closely before the mount on the terminal surface.

Preferably, the positioning pressing plate and the near end of the matching pressing plate are both provided with rubber extrusion pads.

Preferably, the driving unit comprises a rotating rod, a first bevel gear, a rotating stud, a second bevel gear and a rotating handle, the left end of the threaded column is provided with the rotating rod, the outer wall of the rotating rod is provided with the first bevel gear, the left end of the rotating rod is provided with the rotating handle, the rotating stud is rotatably arranged at the upper end of the auxiliary cavity, the lower end of the rotating stud is provided with the second bevel gear, and the first bevel gear is connected with the second bevel gear in a meshing manner. The rotating handle is screwed to drive the rotating rod to rotate, so that the first bevel gear and the second bevel gear are matched to simultaneously drive the claw-shaped positioning frame to feed downwards and the feeding pressing plate to feed rightwards to clamp the support.

Preferably, the claw-shaped positioning frame is connected with the rotary stud in a threaded connection mode.

Preferably, the left end of the sliding rod is provided with a limit baffle.

The invention has the beneficial effects that: 1. according to the invention, the plurality of supports are pre-supported and positioned, so that the plurality of supports are firstly positioned before clamping operation, and the problem that the glass rain shield cannot be effectively supported due to different heights of the glass support frames caused by difficulty in effective alignment and positioning when the plurality of supports are separately clamped is solved; according to the invention, through the structure of the glass support frames which can be placed quickly and the batch fixation of the glass support frames, the problem that a plurality of glass support frames can not be fixed and can not be effectively welded with the support is solved.

2. According to the invention, the right-angle side surfaces of the supports are abutted against the placement frame and placed on the upper side of the bearing unit, the right-angle side surfaces of the supports are enabled to be flatly attached to the front end surface of the placement frame by adjusting the bearing unit, the support columns simultaneously penetrate through the supports and are welded and fixed by manpower, then the drive unit drives the threaded columns to rotate, and the threaded columns drive the feeding pressing plates to feed rightwards, so that the supports with the side surfaces flatly attached to the front end surface of the placement frame are fixedly clamped.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the combination fixing mechanism of the present invention.

FIG. 3 is an enlarged view of a portion I of FIG. 2 according to the present invention.

Fig. 4 is a schematic view of the structure of the driving unit in the present invention.

FIG. 5 is an enlarged view of a portion II of FIG. 4 according to the present invention.

FIG. 6 is a schematic view of the structure of the glass holder according to the present invention.

In the figure: 1. a base; 2. a combined fixing mechanism; 3. positioning the clamping mechanism; 21. a placement frame; 22. a claw-shaped positioning frame; 23. contraband type frame; 24. rotating the column; 25. fixing the pressing plate; 26. a rotating frame; 27. rotating the clamping frame; 28. a clamping unit; 281. an L-shaped clamping plate; 282. a torsion spring; 283. unlocking the push block; 31. a threaded post; 32. feeding a pressing plate; 33. a slide bar; 34. matching with a pressing plate; 35. a compression spring; 36. positioning a pressing plate; 37. a holding unit; 371. a support bracket; 372. rotating the bearing plate; 373. a slider; 374. rotating the lead screw; 375. a hinged lever; 38. a drive unit; 381. rotating the rod; 382. a first bevel gear; 383. rotating the stud; 384. a second bevel gear; 385. rotating the handle; 41. a support; 42 support column; 43. a glass support frame; a. an auxiliary chamber; b. a clamping cavity; c. a guide groove; d. a support groove; e. and fixing hole grooves.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Referring to fig. 1, the device for processing the steel prefabricated member of the building based on the BIM assembly type steel structure comprises a base 1, a combined fixing mechanism 2 and a positioning and clamping mechanism 3, wherein the combined fixing mechanism 2 is arranged on the rear side of the upper end of the base 1, and the positioning and clamping mechanism 3 is arranged on the front side of the upper end of the base 1; four corners of the lower end of the base 1 are provided with support columns, and the lower end of the base 1 is provided with a matched through groove.

Referring to fig. 5, the combined fixing mechanism 2 includes a placement frame 21, claw-shaped positioning frames 22, Contraband-shaped frames 23 and a rotating column 24, the placement frame 21 is disposed at the rear side of the upper end of the base 1, the front end of the placement frame 21 is slidably provided with the claw-shaped positioning frames 22, the upper ends of the claw-shaped positioning frames 22 are uniformly provided with fixing hole grooves e, the upper ends of the claw-shaped positioning frames 22 are uniformly provided with a plurality of Contraband-shaped frames 23 from left to right, and the rotating column 24 is rotatably disposed between the inner walls of the left end and the right end of the Contraband-shaped frame 23; the positioning and clamping mechanism 3 comprises a threaded column 31, a feeding pressing plate 32, a sliding rod 33, a matching pressing plate 34, an extrusion spring 35, a positioning pressing plate 36, a bearing unit 37 and a driving unit 38, an auxiliary cavity a and a clamping cavity b are respectively arranged in the placing frame 21 from top to bottom, the threaded column 31 is arranged on the inner wall of the right end of the clamping cavity b in a rotating mode, a guide groove c is uniformly arranged at the front end of the placing frame 21 from left to right, the side wall of the feeding pressing plate 32 is connected with the guide groove c in a sliding mode, the feeding pressing plate 32 is connected with the threaded column 31 in a threaded connection mode, the sliding rod 33 is inserted into the right end of the feeding pressing plate 32 in a sliding mode, a limit baffle is arranged at the left end of the sliding rod 33, the matching pressing plate 34 is arranged at the right end of the sliding rod 33, the extrusion spring 35 is arranged between the matching pressing plate 34 and the feeding pressing plate 32, the positioning pressing plate 36 is arranged at the front end of the placing frame 21 from left to right, the positioning pressing plates 36 correspond to the matching pressing plates 34 one by one, the supporting unit 37 is arranged on the front side of the upper end of the base 1, the driving unit 38 is arranged on the inner wall of the upper end of the auxiliary cavity a, and rubber extrusion pads are arranged on the near ends of the positioning pressing plates 36 and the matching pressing plates 34.

Contradict support 41 right-angle side on the mount 21 to place at bearing unit 37 upside, through adjusting bearing unit 37, thereby make support 41 right-angle side smoothly hug closely on mount 21 preceding terminal surface, pass a plurality of supports 41 simultaneously through the manual work again and support and welded fastening support column 42, then it is rotatory to drive screw post 31 through drive unit 38, thereby it feeds the fixed centre gripping of a plurality of supports 41 simultaneously to drive feed clamp plate 32 right through screw post 31.

Referring to fig. 2, the supporting unit 37 includes a supporting bracket 371, a rotary supporting plate 372, a sliding block 373, a rotary screw rod 374 and a hinge rod 375, the supporting bracket 371 is disposed on the front side of the upper end of the base 1, auxiliary rotating frames are symmetrically disposed on the left and right sides of the upper end of the supporting bracket 371, the rotary supporting plate 372 is rotatably disposed between the auxiliary rotating frames, a supporting groove d is disposed on the upper end of the supporting bracket 371, the sliding block 373 is slidably disposed on the inner wall of the rear end of the supporting groove d, the rotary screw rod 374 is rotatably disposed on the front end of the sliding block 373, the rotary screw rod 374 is connected with the supporting bracket 371 through a threaded connection manner, and the hinge rod 375 is hinged between the sliding block 373 and the rotary supporting plate 372. Thereby it feeds backward to drive sliding block 373 through artifical twist rotatory lead screw 374, and the upset of rotatory supporting board 372 is driven under the effect of rethread hinge bar 375 to support the lower terminal surface of support 41 and make support 41 right angle side level hug closely on the mounting frame 21 front end face.

Referring to fig. 4, the driving unit 38 includes a rotating rod 381, a first bevel gear 382, a rotating stud 383, a second bevel gear 384 and a rotating handle 385, the rotating rod 381 is arranged at the left end of the threaded column 31, the first bevel gear 382 is arranged on the outer wall of the rotating rod 381, the rotating handle 385 is arranged at the left end of the rotating rod 381, the rotating stud 383 is rotatably arranged at the upper end of the auxiliary cavity a, the second bevel gear 384 is arranged at the lower end of the rotating stud 383, and the first bevel gear 382 is connected with the second bevel gear 384 in a meshing manner. The claw-shaped positioning frame 22 is connected with the rotary screw 383 in a threaded connection mode. The rotating rod 381 is rotated by screwing the rotating handle 385, so that the claw-type positioning frame 22 and the feeding pressing plate 24 are simultaneously fed downwards and fed rightwards through the cooperation of the bevel gear 382 and the bevel gear 384 to clamp the bracket 41.

Referring to fig. 2 and 4, the outer wall of the rotating column 24 is symmetrically provided with a fixed pressing plate 25, the front end of the fixed pressing plate 25 is commonly provided with a rotating frame 26, a rotating clamping frame 27 is rotatably arranged between the left side wall and the right side wall of the rotating frame 26, a clamping unit 28 is arranged between the rotating clamping frame 27 and the claw-shaped positioning frame 22, after the supporting unit 37 is adjusted, a plurality of glass supporting frames 43 are placed at the fixed hole grooves e, then the claw-shaped positioning frame 22 is rotated downwards manually, the rotating clamping frame 27 is locked with the claw-shaped positioning frame 22 through the clamping unit 28, the glass supporting frames 43 are limited and fixed through the fixed pressing plate 25, the driving unit 38 drives the threaded column 31 to rotate, so that the claw-shaped positioning frame 22 and the glass supporting frames 43 are driven to feed downwards while the support 41 is clamped by the matching pressing plate 34, and when the support 41 is completely fixed, the driving unit 38 drives the threaded column 31 to continue to rotate, the feeding press plate 32 continues to move under the driving of the threaded column 31, at the moment, the extrusion spring 35 is compressed, the feeding press plate 32 gradually approaches the matching press plate 34, the rotary stud 383 is driven by the matching of the first bevel gear 382 and the second bevel gear 384 to continue to rotate, the claw-shaped positioning frames 22 and the Contraband-shaped frames 23 are driven to continue to move downwards, the clamping force borne by the support 41 is gradually increased, and the lower end of the glass support frame 43 gradually approaches and abuts against the top of the support 41, so that subsequent welding operation is facilitated.

Referring to fig. 3, an L-shaped clamping plate 281 is rotatably disposed between the left and right side walls of the rotary clamping frame 27, a torsion spring 282 is disposed between the L-shaped clamping plate 281 and the side wall of the rotary clamping frame 27, an L-shaped clamping groove is formed in the front end of the claw-shaped positioning frame 22, the L-shaped clamping plate 281 is connected with the L-shaped clamping groove in a clamping manner, and an unlocking push block 283 is slidably disposed at the lower end of the claw-shaped positioning frame 22. The unlocking push block 283 is pushed to turn the L-shaped catch plate 281 upward, so that the L-shaped catch plate 281 is disengaged from the claw position holder 22. The rotating yoke 27 is unlocked from the pawl 22 and the torsion spring 282 keeps the L-shaped catch plate 281 in a torsion force of turning downward, thereby preventing the rotating yoke 27 from being automatically unlocked from the pawl 22.

The working principle is as follows: the right-angle surface of the bracket 41 is abutted against the placing frame 21 and is placed on the upper side of the supporting unit 37, and by adjusting the supporting unit 37, so that the right-angled side surfaces of the brackets 41 are flatly and tightly attached to the front end surface of the placement frame 21, the support columns 42 simultaneously penetrate through the brackets 41 to be supported and welded and fixed by manpower, the glass support frames 43 are placed at the fixing hole grooves e, then the claw-shaped positioning frame 22 is rotated downwards manually, and then the rotary clamping frame 27 is locked with the claw-shaped positioning frame 22 through the clamping unit 28, the glass support frame 43 is limited and fixed by the fixed pressing plate 25, and the driving unit 38 drives the threaded column 31 to rotate, so that the claw-shaped positioning frame 22 and the glass support frame 43 are driven to feed downwards while the matching pressing plate 34 clamps the bracket 41, so that the lower end surface of the glass support frame 43 is tightly abutted against the bracket 41, thereby facilitating the subsequent welding operation.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.