CN117359139A - Box body box assembly welding workstation with automatic demolding function - Google Patents

Abstract

The invention discloses a box assembly welding workstation with an automatic demolding function, and particularly relates to the field of box assembly processing. The assembling clamp unit comprises a bottom plate supporting assembly, a tail positioning and tensioning rack assembly, a front door lower supporting assembly, a front door side supporting assembly and an inner supporting mechanism, and can be used for positioning and clamping a bottom plate, a left side plate, a right side plate and a front door plate, and then a welding assembly can be used for simultaneously assembling and welding the bottom plate, the left side plate, the right side plate and the front door plate, so that the processing efficiency of the box assembling is better.

Description

Box body box assembly welding workstation with automatic demolding function

Technical Field

The invention relates to the technical field of carriage processing, in particular to a carriage box assembly welding workstation with an automatic demoulding function.

Background

The traditional large mining dump truck has the general bearing form that a frame bears main load, a container is supported by an upper plane of the frame, and the weight of the goods loaded by the container is directly transferred to the upper plane of the frame and then transferred to wheels through the frame. The mining container adopts a form that the front door and the rear door are similar to a flat plate and a framework, and when the container is processed, the rear door bottom plate assembly welding, the front door cap peak assembly welding, the right door assembly welding, the box assembly full welding, the container assembly and other work stations are required to be processed, so that the box body assembly welding for box body production belongs to an indispensable procedure in the box body processing process. The carriage body workpiece mainly comprises six parts of a bottom plate, a left side plate, a right side plate, a rear door, a front door and a hat brim, and the bottom plate, the left side plate, the right side plate and the front door plate are required to be welded together when the carriage body is assembled and welded.

The existing box body assembling and welding process mostly adopts a unit production mode, and is manually assembled and welded, the U-shaped opening of the box body is assembled and welded upwards, so that the internal positioning cannot be realized, the automatic clamping and transferring cannot be realized, and the box body assembling and welding process has lower efficiency.

Disclosure of Invention

The invention aims to provide a box assembly welding workstation with an automatic demoulding function, which solves the problems in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: the box body box assembling and welding workstation with the automatic demolding function comprises a box assembling and clamping unit, a demolding vehicle, a track unit, a discharging buffer unit and a lifting unit, wherein the box assembling and clamping unit comprises a box assembling inner mold clamp, a right outer operation platform, a left outer operation platform and a gantry pressing mechanism, and the box assembling inner mold clamp comprises an inner frame assembly, a bottom supporting plate assembly, a tail positioning and tensioning frame assembly, a front door lower supporting assembly, a front door side supporting assembly and an inner supporting mechanism assembly.

In a preferred embodiment, the inner frame assembly comprises an inner frame, the two sides of the upper end of the inner frame are respectively provided with an operation table, one side of the inner frame is provided with outer stairs, the inner side of the inner frame is uniformly provided with a plurality of inner stairs, the upper ends of the inner stairs are connected with the operation tables, the bottom support plate assembly comprises a bottom support plate frame, a bottom support plate mechanism is fixedly arranged on the bottom support plate frame through bolts, and a front door guide mechanism and a first oil cylinder are arranged on the bottom support plate frame.

In a preferred embodiment, the bottom supporting plate frame is fixedly arranged on the inner frame through bolts, the bottom supporting plate mechanism comprises a cross beam, an adjusting plate is connected to the cross beam through a guide key groove and a pin hole, the adjusting plate is fixedly arranged on the cross beam through a locking pin, one end of the guide key penetrates through the guide key groove on the adjusting plate, a base plate is fixedly arranged at the upper end of the adjusting plate, an adjusting cushion block is connected to the base plate through bolts, a hand pulling rod is arranged at one end of the inner side of the adjusting plate, and a sensor is embedded in the cross beam.

In a preferred embodiment, the front door guiding mechanism comprises a guiding sleeve embedded in the bottom plate frame, a front door guiding rod is slidably arranged on the guiding sleeve, the tail end of the front door guiding rod is connected with the front door side support assembly through a flange structure, the front end of the front door guiding rod is clamped with a clamping plate, the first oil cylinder is fixedly arranged in the middle of the end face of the bottom plate frame, and the telescopic end of the first oil cylinder is connected with the front door side support assembly.

In a preferred embodiment, the afterbody location tensioning frame subassembly is including fixing the second hydro-cylinder that sets up in the afterbody of interior frame upper end, the telescopic end fixedly connected with spacing seat of second hydro-cylinder, the front door holds in the palm the subassembly under including holding in the palm the frame down, be provided with angle adjustment screw mechanism and front door under holding in the palm spacing seat under holding in the palm the frame down, angle adjustment screw mechanism includes the mounting panel fixed with the frame down, mounting panel upper end both sides are all fixed and are provided with the screw seat, two be provided with trapezoidal lead screw between the screw seat, be provided with the slide on the trapezoidal lead screw, the upper end of slide is provided with the lower extreme of the articulated front door side support subassembly of pinhole, one end of trapezoidal lead screw passes one of them screw seat to fixedly connected with hand wheel.

In a preferred embodiment, the front door side support assembly comprises a side support frame, an electromagnet assembly is arranged on the side support frame, the upper end of the side support frame is connected with the telescopic end of the first oil cylinder through a movable top plate, one end of the movable top plate, which is far away from the first oil cylinder, is fixedly provided with a hinge seat, the hinge seat is connected with the upper end of the side support frame through a pin shaft and a hinge seat, the lower end of the side support frame is connected with a first connecting rod through the pin shaft and the hinge seat, one end of the first connecting rod is hinged on a sliding seat, the electromagnet assembly comprises an electromagnet mounting plate and an electromagnet fixedly arranged on the electromagnet mounting plate, the electromagnet mounting plate is connected with the side support frame through a bolt, and a compression spring is arranged between the electromagnet mounting plate and the side support frame.

In a preferred embodiment, the internal stay mechanism assembly comprises an internal stay rack fixedly arranged on the internal rack, an internal stay connecting beam is connected to the internal stay rack through an internal stay sliding plate, an air cylinder is fixedly arranged at the upper end of the internal stay rack, a telescopic end of the air cylinder is connected with the internal stay connecting beam through a connecting rod mechanism, internal stay rod assemblies are arranged at the upper end and the lower end of the internal stay connecting beam, a guide rail sliding block is arranged at one end of the internal stay sliding plate, the connecting rod mechanism comprises a rocker, a second connecting rod is hinged to one end of the rocker, the other end of the rocker is hinged to the internal stay rack, one end of the second connecting rod is connected with the internal stay connecting beam through a hinged support, the other end of the second connecting rod is hinged to a piston rod of the air cylinder, a limit screw is arranged below the second connecting rod, the internal stay rod assembly comprises a guide sleeve fixedly connected with the internal stay connecting beam, a guide rod is arranged on the guide sleeve in a penetrating manner, a key groove is formed in the guide sleeve, a key matched with the key groove is formed in the guide rod, an adjusting bolt is arranged on the guide rod, and a buckle is arranged on the guide rod.

In a preferred embodiment, the right outer operation platform and the left outer operation platform are symmetrically arranged at two sides of the mold clamp of the mold assembly, the right outer operation platform and the left outer operation platform comprise a working frame, a first outer pressing mechanism, a second outer pressing mechanism, a fixed-width outer pressing mechanism, a bottom plate positioning mechanism and a stair assembly, the first outer pressing mechanism and the second outer pressing mechanism comprise a third oil cylinder fixedly arranged on the working frame, the telescopic end of the third oil cylinder is connected with an inner telescopic sleeve, one end of the inner telescopic sleeve is connected with a stroke adjusting guide rod, one end of the stroke adjusting guide rod is connected with a first pressing head through a hinged support, the outer sides of the inner telescopic sleeve and the stroke adjusting guide rod are provided with a fixed sleeve, and a first roller group is arranged on the fixed sleeve through a wheel group mounting seat; the fixed-width external pressing mechanism comprises a fourth oil cylinder fixedly arranged on the working frame, a transition plate is connected to the telescopic end of the fourth oil cylinder, a stroke-adjustable guide rod is fixedly arranged on one side of the transition plate, the stroke-adjustable guide rod penetrates through a wheel set mounting plate, a second roller set is mounted on the wheel set mounting plate, and a fixed-width pressing head is arranged on one side of the transition plate; the bottom plate positioning mechanism comprises a positioning rod, one end of the positioning rod is provided with a rotating pin shaft which is used for being arranged on the working frame in a rotating mode, and a fixing bolt is arranged on the positioning rod.

In a preferred embodiment, the gantry pressing mechanism comprises a gantry ground rail, a gantry frame, a sliding table vehicle, a pressing mechanism and a pavement, wherein the gantry frame is arranged on the gantry ground rail in a sliding mode through the sliding table vehicle, the pressing mechanism comprises an oil cylinder mounting seat arranged at the lower end of the gantry frame, a fifth oil cylinder is fixedly arranged on the oil cylinder mounting seat, a telescopic end of the fifth oil cylinder is connected with a second pressing head, an auxiliary roller is arranged on the inner side of the oil cylinder mounting seat, and a locking handle and an operating button are arranged on the oil cylinder mounting seat.

In a preferred embodiment, the ejection of compact buffer memory unit adopts four flexible buffer memory framves to constitute, every flexible buffer memory frame is all including H type support, the fixed deflector that is provided with in upper end of H type support, H type support upper end fixed mounting has the second cylinder, the flexible end of second cylinder is connected with the telescopic link through floating joint, the telescopic link slides and sets up in the deflector, the bottom intermediate position of telescopic link is provided with middle part backing roll, the upper end of middle part backing roll is provided with extension spring, the tail end downside of telescopic link is provided with afterbody backing roll, the inboard of deflector is provided with the guide roll with the contact surface of telescopic link.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention adopts the box assembling clamp unit, the demoulding vehicle and rail unit, the discharging buffer unit and the lifting unit, wherein the box assembling clamp unit comprises a bottom plate supporting component, a tail positioning and tensioning rack component, a front door lower supporting component, a front door side supporting component and an internal supporting mechanism, and can position and clamp a bottom plate, a left side plate, a right side plate and a front door plate, press and fix a workpiece by utilizing a gantry pressing mechanism, and then can simultaneously weld the bottom plate, the left side plate, the right side plate and the front door plate by utilizing a welding component, so that the box assembling clamp and the automatic transfer of the box assembly can be realized, and the box assembling processing efficiency is better.

2. According to the invention, the size of a clamping workpiece can be adjusted by the support bottom plate assembly, the tail positioning tensioning rack assembly, the front door lower support assembly, the front door side support assembly, the inner support mechanism, the outer pressing mechanism, the outer fixed-width pressing mechanism, the bottom plate positioning mechanism and the telescopic buffer frame in the discharging buffer unit in the right outer operation platform and the left outer operation platform, and the clamping workpiece can be suitable for box body box assembling products of different types.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Fig. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic structural view of the mold clamp for mold closing in accordance with the present invention.

FIG. 3 is a schematic view of the structure of the pallet assembly according to the present invention.

Fig. 4 is a schematic structural view of the pallet mechanism of the present invention.

Fig. 5 is a schematic structural view of the front door guide mechanism of the present invention.

FIG. 6 is a schematic structural view of the tail positioning tensioner frame assembly of the present invention.

Fig. 7 is a schematic structural view of the front door lower bracket assembly of the present invention.

Fig. 8 is an enlarged schematic view of the structure of the front door jamb assembly of the present invention.

Fig. 9 is a schematic structural view of the inner support mechanism of the present invention.

FIG. 10 is a schematic view of the structure of the inner strut assembly of the present invention.

Fig. 11 is a schematic structural view of the right operation platform of the present invention.

Fig. 12 is a schematic structural view of a first external pressure mechanism according to the present invention.

Fig. 13 is a schematic view showing a structure of the first external pressing mechanism of the present invention with the fixing sleeve removed.

Fig. 14 is a schematic structural view of the fixed-width external compressing mechanism of the present invention.

Fig. 15 is a schematic structural view of the positioning mechanism for the bottom plate of the present invention.

Fig. 16 is a schematic structural view of the gantry pressing mechanism of the present invention.

Fig. 17 is an enlarged schematic view of the pressing mechanism of fig. 16 according to the present invention.

Fig. 18 is a schematic structural view of the telescopic buffer rack of the present invention.

Fig. 19 is a schematic view of a structure of the telescopic buffer rack of the present invention with the telescopic rod removed.

In the figure: 1. assembling the box and assembling the clamp units; 11. a mold clamp for the mold closing; 111. an inner housing assembly; 1111. an inner frame; 1112. an operation table; 1113. an outer stair; 1114. an inner stair; 112. a pallet assembly; 1121. a bottom plate supporting frame; 1122. a bottom plate supporting mechanism; 11221. a cross beam; 11222. an adjustment plate; 11223. a locking pin; 11224. a guide key; 11225. a backing plate; 11226. adjusting the cushion block; 11227. a hand pull rod; 11228. a sensor; 1123. a front door guide mechanism; 11231. a guide sleeve; 11232. a front door guide bar; 11233 cardboard; 1124. a first cylinder; 113. the tail part is positioned and tensioned to a rack component; 1131. a second cylinder; 1132. a limit seat; 114. a front door lower bracket assembly; 1141. a lower support frame; 1142. an angle adjusting screw rod mechanism; 11421. a hand wheel; 11422. a mounting plate; 11423. a screw rod seat; 11424. a trapezoidal screw rod; 11425. a slide; 1143. a front door lower support limit seat; 115. a front door side bracket assembly; 1151. a side support frame; 1152. an electromagnet assembly; 11521. an electromagnet mounting plate; 11522. an electromagnet; 1153. a movable top plate; 1154. a hinge base; 1155. a pin shaft; 1156. a hinged support; 1157. a first link; 116. an inner support mechanism; 1161. an inner support frame; 1162. an inner support slide plate; 1163. the inner stay bar is connected with the beam; 1164. a cylinder; 1165. a link mechanism; 11651. a rocker; 11652. a second link; 11653. a rocker hinged support; 1166. an inner strut assembly; 11661. guide sleeve; 11662. a guide rod; 11663. adjusting a bolt; 11664. a lock nut; 11665. a buckle; 12. a right outer operating platform; 121. a work frame; 122. a first external pressure mechanism; 1221. a third cylinder; 1223. a stroke adjusting guide rod; 1224. a first ram; 1225. a fixed sleeve; 1226. a wheel set mounting seat; 1227. a first roller set; 123. a second external pressure mechanism; 124. a fixed-width external compressing mechanism; 1241. a fourth cylinder; 1242. a transition plate; 1243. stroke adjustable guide rod; 1244. a wheel set mounting plate; 1245. a second roller set; 1246. a fixed-width pressure head; 125. a base plate positioning mechanism; 1251. a positioning rod; 1252. rotating the pin shaft; 1253. fixing the bolt; 126. a stair assembly; 13. a left outer operating platform; 14. a gantry pressing mechanism; 141. gantry ground rail; 142. a portal frame; 143. a trolley; 144. a compressing mechanism; 1441. an oil cylinder mounting seat; 1442. a fifth oil cylinder; 1443. a second ram; 1444. an auxiliary roller; 1445. a locking handle; 1446. operating a button; 145. a walkway; 2. a demoulding vehicle and a rail unit; 3. a discharging buffer unit; 31. an H-shaped bracket; 32. a guide plate; 33. a second cylinder; 34. a floating joint; 35. a telescopic rod; 36. a middle supporting roller; 37. a tension spring; 38. tail support rollers; 39. a guide roller; 4. and a lifting unit.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, the invention provides a box assembly welding workstation with an automatic demolding function, which comprises a box assembly clamp unit 1, a demolding vehicle and rail unit 2, a discharging buffer unit 3 and a lifting unit 4, wherein the box assembly clamp unit 1 comprises a box inner mold clamp 11, a right outer operation platform 12, a left outer operation platform 13 and a gantry pressing mechanism 14, and the box inner mold clamp 11 comprises an inner frame assembly 111, a bottom support plate assembly 112, a tail positioning tensioning frame assembly 113, a front door lower support assembly 114, a front door side support assembly 115 and an inner supporting mechanism assembly 116.

The box assembling clamp unit 1 is mainly used for assembling operation of carriage workpieces in the specific use process, and the demoulding vehicle and the rail unit 2 mainly have two functional purposes: (1) auxiliary supporting side plates of the lifting table of the demoulding vehicle are arranged in the assembling and welding process; (2) after the assembly welding of the box is finished, the stripping trolley jacks up the box body workpiece and is separated from the assembly jig unit 1, the stripping trolley and the track unit 2 are of conventional structures, the lifting stripping trolley and the track are adopted to form the assembly jig unit, the lifting stripping trolley slides on the track, the discharging buffer unit 3 is used for supporting the box body workpiece sent out by the stripping trolley, and the lifting unit 4 is used for lifting four parts (a bottom plate, a left plate, a right plate and a front door) to the assembly jig unit 1 in the assembly process.

Referring to fig. 2-3, in a preferred embodiment, the inner frame assembly 111 includes an inner frame 1111, operating tables 1112 are disposed on two sides of the inner frame 1111, an outer stair 1113 is disposed on one side of the inner frame 1111, a plurality of inner stairs 1114 are uniformly disposed on an inner side of the inner frame 1111, an upper end of the inner stair 1114 is connected with the operating tables 1112, the bottom plate assembly 112 includes a bottom plate frame 1121, a bottom plate mechanism 1122 is fixedly disposed on the bottom plate frame 1121 through bolts, and a front door guiding mechanism 1123 and a first oil cylinder 1124 are disposed on the bottom plate frame 1121.

When the device is specifically used, the inner frame 1111 is machined after being integrally welded by profile steel and steel plates, the lower part of the device is connected with a foundation, the upper mounting plate is provided with the inner supporting mechanism assembly 116, the operating table 1112 comprises a platform and guardrails, the platform is connected to two sides of the inner frame 1111, and the guardrails are welded on the platform for manual maintenance and operation of equipment; the outer stairs 1113 facilitate personnel access to the inner housing 1111 assembly; the inner stairs 1114 facilitate manual access to the operator's station 1112. And the supporting base plate assembly 112 is used for positioning and supporting the base plates, so that base plates with different width specifications can be met.

Referring to fig. 3-4, in a preferred embodiment, the bottom plate frame 1121 is fixedly disposed on the inner frame 1111 through bolts, the bottom plate mechanism 1122 includes a cross beam 11221, an adjusting plate 11222 is connected to the cross beam 11221 through guide key slots and pin holes, the adjusting plate 11222 is fixed through locking pins 11223, a guide key 11224 is fixedly disposed on the cross beam 11221, one end of the guide key 11224 passes through the guide key slots on the adjusting plate 11222, a pad 11225 is fixedly disposed at the upper end of the adjusting plate 11222, an adjusting cushion block 11226 is connected to the pad 11225 through bolts, a hand pull rod 11227 is disposed at one end of the inner side of the adjusting plate 11222, and a sensor 11228 is embedded in the cross beam 11221.

The specific use of the backing plate mechanism 1122 is secured to the backing plate frame 1121 by bolting, and serves two purposes: (1) positioning a supporting bottom plate; (2) providing angle adjustment power and guidance for the front door side bracket assembly 115, wherein the cross beam 11221 is formed by welding profile steel and steel plates, the side surface of the cross beam 11221 is provided with a guide key groove and a pin hole, the adjusting plate 11222 is provided with a guide key groove and a pin hole, and the guide key groove is matched with the guide key groove and the pin hole on the cross beam 11221; the locking pin 11223 is used for positioning and locking the position of the adjusting plate 11222, one end of the guide key is fixed in the guide key slot of the cross beam 11221 through a bolt, the other end of the guide key is arranged in the guide key slot of the adjusting plate 11222, and the adjusting plate 11222 can slide and be adjusted along the guide key slot; the backing plate 11225 is formed by machining a steel plate, two guide grooves are formed in two sides of the upper surface of the backing plate, a plurality of groups of threaded holes are formed along the direction of the guide grooves, two circular grooves are formed in the middle of the upper surface of the backing plate, the circular grooves are fixed on the two side adjusting plates 11222, gaps are reserved between the circular grooves and the cross beams 11221, and the circular grooves can be conveniently adjusted along with the adjusting plates 11222; the adjusting cushion block 11226 is used for positioning the width of the bottom plate, is connected in a guide groove on the upper surface of the base plate 11225 through a bolt, and can meet the positioning of the bottom plate by adjusting the position of the adjusting cushion block along the length direction of the cross beam 11221 according to the different widths of the bottom plate; the hand pull rod 11227 is processed twice by a round bar, two ends of the hand pull rod are connected to the adjusting plate 11222 through bolts, the position of the adjusting plate 11222 is conveniently adjusted manually, and the sensor 11228 is fixed on the cross beam 11221 and is used for detecting whether a bottom plate workpiece exists or not.

Referring to fig. 5, in a preferred embodiment, the front door guiding mechanism 1123 includes a guiding sleeve 11231 embedded in the bottom plate frame 1121, a front door guiding rod 11232 is slidably disposed on the guiding sleeve 11231, a tail end of the front door guiding rod 11232 is connected to the front door side bracket assembly 115 through a flange structure, a clamping plate 11233 is clamped at a front end of the front door guiding rod 11232, a first cylinder 1124 is fixedly disposed in a middle portion of an end surface of the bottom plate frame 1121, and a telescopic end of the first cylinder 1124 is connected to the front door side bracket assembly 115.

When the car body front door supporting device is specifically used, the guide sleeve 11231 is embedded into a hole corresponding to the end face beam of the bottom supporting plate frame 1121 and is fixed on the hole through a bolt, the front door guide rod 11232 is provided with a clamping groove, the position of the clamping groove is determined according to the calculation simulation of the angle of the car body front door, the tail part is of a flange connection structure, the whole body of the clamping groove penetrates into the inner hole of the guide sleeve 11231 and can axially slide along the guide sleeve 11231, the tail flange is connected with the front door side supporting component 115, the clamping plate 11233 is clamped with the front door guide rod 11232 and used for limiting the front door guide rod 11232, when the front door guide rod 11232 moves towards the direction of the front door side supporting component 115 until the clamping plate 11233 abuts against the guide sleeve 11231, the front door guide rod 11232 cannot move continuously, the first oil cylinder 1124 is fixed at the middle of the end face beam of the bottom supporting plate frame 1121 through a bolt, and the telescopic rod head is connected with the front door side supporting component 115 and used for pushing the upper part of the front door side supporting component 115 to move.

Referring to fig. 6-7, in a preferred embodiment, the tail positioning and tensioning frame assembly 113 includes a second cylinder 1131 fixedly disposed at the tail of the upper end of the inner frame 1111, a telescopic end of the second cylinder 1131 is fixedly connected with a limiting seat 1132, a piston rod of the second cylinder 1131 is telescopic and used for driving the limiting seat 1132 to move, so as to pull the bottom plate towards the direction of the bottom plate assembly 112, to complete positioning of the tail of the bottom plate, the front door lower support assembly 114 includes a lower support frame 1141, an angle adjusting screw mechanism 1142 and a front door lower support limiting seat 1143 are disposed on the lower support frame 1141, the angle adjusting screw mechanism 1142 includes a mounting plate 11422 fixed with the lower support frame 1141, screw seats 11423 are fixedly disposed at two sides of the upper end of the mounting plate 11422, a trapezoidal screw 11424 is disposed between the two screw seats 11423, a slide seat 11425 is disposed on the trapezoidal screw 11424, a pin hole is disposed at the upper end of the slide seat 11425, and the lower end of the hinged front door lower support assembly 115 is connected with one of the screw seats 9721 through which the hand wheel 11423 is fixedly connected.

In particular use, the front door lower bracket assembly 114 functions as: positioning a lower supporting front door; the lower bracket frame 1141 is formed by welding and machining profile steel and steel plates, can be fixedly arranged on a foundation or connected to the inner frame 1111, an angle adjusting screw rod mechanism 1142 is used for adjusting the lower position of the front door bracket assembly 115, the angle and the position of the front door bracket assembly 115 are adjusted together with the upper adjusting fit, the upper part of a sliding seat 11425 is designed to be hinged to the lower part of the front door bracket assembly 115 through a pin hole, a flange structure is arranged in the middle of the lower part, the sliding seat is embedded in a sliding groove of a mounting plate 11422 and can linearly and reciprocally slide along the sliding groove, the sliding seat 11425 can only move along the sliding groove under the driving of a trapezoidal screw rod 11424 and cannot rotate along with the rotation of a screw rod trapezoid 11424, a screw rod seat 11423 is fixed on the mounting plate through bolts, a trapezoidal screw rod 11424 transmits rotary power and is provided with self-locking, two ends are supported and fixed by a screw rod seat 11423, and the lower bracket limiting seat 1143 of the front door is fixed on the lower bracket frame 1141 through bolts, and the sliding seat is embedded in the sliding groove of the mounting plate 11422, the sliding seat can be used in a reciprocating manner, and the sliding seat can be changed according to different front door positions or adjusting positions.

Referring to fig. 5 and 8, in a preferred embodiment, the front door side bracket assembly 115 includes a side bracket frame 1151, an electromagnet assembly 1152 is disposed on the side bracket frame 1151, an upper end of the side bracket frame 1151 is connected with a telescopic end of the first cylinder 1124 through a movable top plate 1153, an end of the movable top plate 1153, away from the first cylinder 1124, is fixedly provided with a hinge seat 1154, the hinge seat 1154 is connected with an upper end of the side bracket frame 1151 through a pin shaft 1155 and a hinge seat 1156, a lower end of the side bracket frame 1151 is connected with a first connecting rod 1157 through a pin shaft 1155 and a hinge seat 1156, an end of the first connecting rod 1157 is hinged on a slide 11425, the electromagnet assembly 1152 includes an electromagnet mounting plate 11521 and an electromagnet 11522 fixedly disposed on the electromagnet mounting plate 11521, the electromagnet mounting plate 11521 is connected with the side bracket frame 1151 through a bolt, and a compression spring is disposed between the electromagnet mounting plate 11521 and the side bracket frame 1151.

When the side support frame 1151 is specifically used, the side support frame 1151 is formed by welding and machining profile steel and a steel plate, the electromagnet assembly 1152 is of a floating structure, and is connected to a mounting plate at a position corresponding to the side support frame 1151 through bolts, and a counter bore is formed in the electromagnet mounting plate 11521; the electromagnet 11522 is connected to the electromagnet mounting plate 11521 by bolts; one end of the compression spring is placed in a counter bore on the electromagnet mounting plate 11521, the other end of the compression spring is contacted with a corresponding mounting plate on the side bracket frame 1151, and the force of the compression spring is adjusted through a bolt penetrating through the center of the compression spring; the movable top plate 1153 is made of steel, two ends of one side of the movable top plate are welded with a hinged support 1156, the hinged support 1156 is connected with a hinged support 1154 through a pin 1155, the other side of the movable top plate is respectively connected with a front door guide mechanism 1123 and a first oil cylinder 1124 of the bottom support plate assembly 112, one end of a first connecting rod 1157 is hinged on the hinged support of the connecting rod through the pin 1155, and the other end of the first connecting rod 1157 is hinged on a sliding seat 11425 of the front door lower support assembly 114.

Referring to fig. 9-10, in a preferred embodiment, the inner supporting mechanism assembly 116 includes an inner supporting frame 1161 fixedly disposed on the inner frame 111, an inner supporting rod connecting beam 1163 is connected to the inner supporting frame 1161 through an inner supporting sliding plate 1162, an air cylinder 1164 is fixedly disposed at an upper end of the inner supporting frame 1161, a telescopic end of the air cylinder 1164 is connected to the inner supporting rod connecting beam 1163 through a connecting rod mechanism 1165, inner supporting rod assemblies 1166 are disposed at upper and lower ends of the inner supporting rod connecting beam 1163, one end of the inner supporting sliding plate 1162 is provided with a guide rail slider 5497, the connecting rod mechanism 1165 includes a rocker 11651, one end of the rocker 11651 is rotatably connected to a rocker hinge block 11653 disposed on the inner supporting frame 1161, the other end of the rocker 11651 is hinged with a second connecting rod 11652, one end of the second connecting rod 11652 close to an air cylinder 1164 is upwardly bent, a middle part of the air cylinder 1164 is rotatably connected to the second connecting rod 11652, one end of the second connecting rod 11652 is rotatably connected to a guide sleeve through a guide rod guide sleeve which is rotatably disposed on the second connecting rod 1166, a guide rod sleeve which is rotatably connected to the second connecting rod guide rail sleeve 11661, and a guide sleeve which is rotatably extends through a guide rod sleeve 3558, and is rotatably connected to the second connecting rod guide rail assembly which is rotatably arranged on the second connecting rod 1164, and is rotatably arranged on the piston rod assembly, a piston rod assembly is rotatably mounted on the piston rod assembly 3535, and the piston rod assembly is mounted on the piston rod assembly.

When the inner support mechanism assembly 116 is specifically used, the inner side of a side plate of the carriage body is positioned and supported when the carriage body is assembled, and the inner support mechanism assembly 116 drives the inner support rod connecting beam 1163 and the inner support rod assembly 1166 to move through the air cylinder 1164 and the connecting rod mechanism 1165, so that the inner support is positioned and the carriage body is released when the carriage body is demolded; the inner support frame 1161 is formed by processing a profile steel and steel plates by a welding machine, and is used as a connecting base to bear the structural part of the whole inner support mechanism, the bottom of the inner support frame 1161 is connected and fixed on a mounting plate at the corresponding position on the inner frame 1111, the inner support rod connecting beam 1163 is formed by welding profile steel and steel plates, guide holes are formed at two ends of the beam and are connected with an adjustable inner support rod assembly 1166, mounting plates are arranged on two sides in the other direction, an inner support slide plate 1162 is fixedly connected on the mounting plate, a guide rod 11662 is of a circular section, the end face of the guide rod 11662 is of a flange structure with a threaded hole, the outer surface of the guide rod 11662 is provided with a key groove along the axial direction, a plurality of groups of clamping grooves are formed on the guide rod 11662 along the circumferential direction, namely, each clamping groove is formed along the circumferential direction of the guide rod 11662, a plurality of groups of clamping grooves are distributed at intervals along the axial direction of the guide rod 11662, a flange structure is arranged at one end of the guide sleeve 11661, flanges at the end of the guide rod are used for being mounted on the inner support rod connecting beam 1163, keys are formed on the cylindrical surface of the guide sleeve 11661 along the axial direction, keys are arranged in the key keys, the key grooves are matched with the guide rod on the outer surface of the key groove, the guide rod is prevented from rotating relative to the guide rod 11661, and the guide rod can only axially move along the guide rod 8232; the clamp 11665 is clamped into the clamping groove on the guide rod 11662 to limit the movement of the guide rod 11662, and the position of the clamp 11665 is adjusted according to different carriage workpieces, namely the clamp 11665 is clamped in different clamping grooves; the adjusting bolt 11663 is screwed into the end face flange of the guide rod 11662 and used for finely adjusting the size of the inner support, the inner support is locked by the locking nut 11664, the guide rail of the guide rail sliding block 1167 is fixed on two sides of the inner support frame 1161, the middle part of the side face of the inner support sliding plate 1162 is fixed on the sliding block of the guide rail sliding block 1167, the guide rail sliding block can slide along the guide rail, the end part of the inner support sliding plate 1162 is connected to the side face of the inner support connecting beam 1163 and can drive the inner support connecting beam 1163 to stretch out and draw back, the air cylinder 1164 is used as power and fixed on the inner support frame 1161, the end part of the telescopic piston rod is hinged to a pin hole at one end of a second connecting rod 11652 of the connecting rod mechanism 1165, pin holes are formed at two ends and the middle of the second connecting rod 11652, one end of the telescopic piston rod is connected with the air cylinder 1164, one end of the telescopic piston rod is connected with the hinged seat 1156, the middle connecting rocker 11651 is connected to the inner support frame 1161 through a limit screw thread, and is used for limiting the position of the second connecting rod 11652, and the dead center is prevented from being pulled back in the air cylinder in the process. The invention can also directly install the cylinder body of the cylinder 1164 on the internal stay frame 1161, connect the piston rod of the cylinder 1164 with the internal stay rod connecting beam 1163, and directly pull the piston rod of the cylinder 1164 to the internal stay rod connecting beam 1163 to horizontally move through the expansion and the contraction of the piston rod of the cylinder 1164.

Referring to fig. 11-15, in a preferred embodiment, the right outer operating platform 12 and the left outer operating platform 13 are symmetrically disposed at two sides of the in-mold clamp 11, each of the right outer operating platform 12 and the left outer operating platform 13 includes a working frame 121, a first outer pressing mechanism 122, a second outer pressing mechanism 123, a fixed-width outer pressing mechanism 124, a bottom plate positioning mechanism 125 and a stair assembly 126, each of the first outer pressing mechanism 122 and the second outer pressing mechanism 123 includes a third cylinder 1221 fixedly disposed on the working frame 121, a telescopic end of the third cylinder 1221 is connected with an inner telescopic sleeve (not shown in the figure), one end of the inner telescopic sleeve is connected with a stroke adjusting guide rod 1223, one end of the stroke adjusting guide rod 1223 is connected with a first pressing head 1224 through a hinge seat, an outer side of the inner telescopic sleeve and the stroke adjusting guide rod 1223 is provided with a fixed sleeve 1225, and a first roller set 1227 is mounted on the fixed sleeve 1225 through a wheel set mounting seat 1226; the fixed-width external pressing mechanism 124 comprises a fourth oil cylinder 1241 fixedly arranged on the working frame 121, a transition plate 1242 is connected to a telescopic end of the fourth oil cylinder 1241, a stroke-adjustable guide rod 1243 is fixedly arranged on one side of the transition plate 1242, the stroke-adjustable guide rod 1243 penetrates through a wheel set mounting plate 1244, a second roller set 1245 is mounted on the wheel set mounting plate 1244, a fixed-width pressing head 1246 is arranged on one side of the transition plate 1242, and a telescopic end of the fourth oil cylinder 1241 penetrates through the wheel set mounting plate 1244 to be connected with the transition plate 1242. The bottom plate positioning mechanism 125 includes a positioning rod 1251, a rotating pin 1252 is disposed at one end of the positioning rod 1251, the rotating pin 1252 is used for rotatably mounting one end of the positioning rod 1251 on the working frame 121, a fixing pin 1253 is disposed on the positioning rod 1251, the rotating pin 1252 is vertically disposed, so that the positioning rod 1251 rotates in a horizontal plane, when the positioning rod 1251 rotates to a state perpendicular to the working frame 121 (i.e., perpendicular to the bottom plate conveying direction), the pin 1253 is inserted, so that the positioning rod 1251 cannot continue to rotate relative to the working frame 121, the positioning rod 1251 abuts against the end of the bottom plate, thereby positioning the bottom plate, after the welding of the phase body is completed, the pin 1253 is pulled out, and the positioning rod 1251 is rotated to be parallel to the bottom plate conveying direction and no longer blocked against the bottom plate.

When the telescopic hydraulic cylinder is specifically used, the third oil cylinder 1221 provides telescopic power, the third oil cylinder 1221 is installed on an oil cylinder installation plate on the working frame 121, a piston rod of the third oil cylinder 1221 is connected with an inner telescopic sleeve, a through hole is formed in the middle of the oil cylinder installation plate and is connected with a connecting flange plate at one end of the fixed sleeve 1225, the piston rod of the third oil cylinder 1221 penetrates through the through hole in the middle of the oil cylinder installation plate, the middle of the fixed sleeve 1225 is a hollow sleeve, connecting flanges are welded at two ends, a plurality of groups of annular grooves are formed in the hollow sleeve, the main effect is that the contact area between the outer surface of the inner telescopic sleeve and the inner surface of the fixed sleeve 1225 is reduced through reduction, friction between the inner telescopic sleeve and the hollow sleeve is reduced, a key groove and a lubricating oil hole are formed in the outer surface of the hollow sleeve along an axis, the connecting flange at one end of the hollow sleeve is connected with the oil cylinder installation plate, the connecting flange at the other end is connected with a wheel group installation seat 1226, the inner telescopic sleeve body is a hollow sleeve, one end of the connecting flange is provided with an inner thread, the inner thread hole is formed at one end of the connecting flange is connected with the piston rod of the third oil cylinder 1221, and the other end of the inner telescopic sleeve stretches out of the fixed sleeve 1225 and is provided with a buckle. The stroke adjusting guide rod 1223 is a solid round rod, one end of the stroke adjusting guide rod 1223 is provided with a connecting flange, the connecting flange is detachably connected with a hinge seat for installing the first pressure head 1224, the outer surface of the stroke adjusting guide rod 1223 is provided with a plurality of groups of clamping grooves along the axis which are distributed at intervals of the vertical axis, the clamping grooves are matched with the clamping grooves, different stroke adjustment can be realized, if the stroke of the first pressure head 1224 needs to be increased, the stroke adjusting guide rod 1223 can be stretched out of the inner telescopic sleeve and clamped in the corresponding clamping grooves, then the clamping grooves are fixed with the connecting flange at the end part of the inner telescopic sleeve by bolts, when the stroke of the first pressure head 1224 needs to be reduced, the stroke adjusting guide rod 1223 is adjusted towards the inner telescopic sleeve, the clamping grooves are installed in the corresponding clamping grooves, and then the clamping grooves are fixed with the connecting flange at the end part of the inner telescopic sleeve, wherein the clamping grooves and the connecting flange are fixed, and the aim of synchronously moving the stroke adjusting guide rod 1223 when the inner telescopic sleeve is contracted and pulled by the third oil cylinder 1221; the wheel set mounting seat 1226 is in an open U shape (the U-shaped opening is not shown in the drawing, and is only schematic), the U-shaped opening is convenient for the installation of the whole mechanism, meanwhile, two groups of bolt holes are used for installing the first roller set 1227, and rollers can roll in beam gaps at corresponding installation positions of the working platform; the first pressure head 1224 is hinged with the hinged support, and the first pressure head 1224 can be designed into different shapes according to different structures of the compression part, such as arc-shaped cambered surface, plane design into plane, etc.

The fourth cylinder 1241 in the fixed-width external pressing mechanism 124 provides telescopic power, the cylinder body is connected to one side of the wheel set mounting plate 1244, a piston rod (not shown in the figure) is connected to the transition plate 1242, the stroke-adjustable guide rod 1243 is of a solid circular structure, one end of the stroke-adjustable guide rod 1243 is provided with a threaded hole and connected to the transition plate 1242, the outer surface is provided with a plurality of clamping grooves with vertical axes along the axes, the clamping grooves are internally provided with buckles, the buckles are arranged in different clamping grooves, the guide rod stroke can be limited by blocking the wheel set mounting plate 1244, the wheel set mounting plate 1244 is mainly used for mounting the second roller set 1245, and the bearing mechanism is provided with all parts.

The positioning rod 1251 in the bottom plate positioning mechanism 125 can rotate around the rotating pin 1252, and when the positioning rod 1251 rotates to a positioning position, the fixing pin 1253 is inserted for limiting and fixing.

Referring to fig. 16-17, in a preferred embodiment, the gantry pressing mechanism 14 includes a gantry rail 141, a gantry 142, a trolley 143, a pressing mechanism 144, and a walkway 145, where the gantry 142 is slidably disposed on the gantry rail 141 through the trolley 143, the pressing mechanism 144 includes an oil cylinder mounting seat 1441 disposed at a lower end of the gantry 142, the oil cylinder mounting seat 1141 includes a horizontal support plate and two vertical support plates fixed at two ends of the horizontal support plate, the oil cylinder mounting seat 1141 is integrally in a "u" shape, a fifth oil cylinder 1442 is fixedly mounted on a horizontal mounting plate of the oil cylinder mounting seat 1441, a telescopic end of the fifth oil cylinder 1442 is connected with a second pressure head 1443, one side of the two vertical mounting plates of the oil cylinder mounting seat 1441 is provided with an auxiliary roller 1444, the auxiliary roller 1444 is supported by roller rails at two sides of the bottom end of the gantry 142 and can roll on the roller rails, one of the oil cylinder mounting seat 1441 is vertically provided with a locking handle 1445 and an operation button 1446, and the operation button 1445 is fixed on one of the two vertical mounting plates, so that the auxiliary roller 1444 is tightly attached to the corresponding roller 1446, and the operation button 1446 is prevented from rotating with the telescopic handle 1446.

When the automatic spot welding device is specifically used, the trolley 143 is composed of a sliding plate, a servo motor, a speed reducer, a pinion bearing roller, a positioning roller, an automatic lubrication system and the like, is a conventional technical means, is not excessively described in the application, and the pressing mechanism 144 is used for pressing the periphery of a butt joint of the bottom plate and the side plate, so that the gap is smooth, and is convenient for manual spot welding.

Referring to fig. 18-19, in a preferred embodiment, the discharging buffer unit 3 is formed by four telescopic buffer frames, each telescopic buffer frame includes an H-shaped bracket 31, a guide plate 32 is fixedly disposed at an upper end of the H-shaped bracket 31, a second cylinder 33 is fixedly disposed at an upper end of the H-shaped bracket 31, a telescopic rod 35 is connected to a telescopic end of the second cylinder 33 through a floating joint 34, the telescopic rod 35 is slidably disposed in the guide plate 32, a middle support roller 36 is disposed at a middle position of a bottom end of the telescopic rod 35, an extension spring 37 is disposed at an upper end of the middle support roller 36, a tail support roller 38 is disposed at a lower side of a tail end of the telescopic rod 35, and a guide roller 39 is disposed at a contact surface between an inner side of the guide plate 32 and the telescopic rod 35.

When the telescopic rod is specifically used, the hollow sliding groove is formed in the guide plate 32 at the top of the H-shaped support 31, the telescopic rod 35 is conveniently telescopic back and forth, the second air cylinder 33 provides telescopic power, the telescopic rod 35 is driven to stretch back and forth, the head of the piston rod is connected with the floating joint, the two ends of the floating joint are respectively connected with the piston rod of the second air cylinder and the tail of the telescopic rod, the effect of eliminating the radial direction of the piston rod is achieved, the telescopic rod 35 is of an I-shaped section, the tail of the telescopic rod is connected with the piston rod of the second air cylinder through the floating joint 34, the lower portion of the support of the middle support roller 36 is hinged to the H-shaped support 31, the roller at the upper end plays a role of supporting the lower portion of the telescopic rod 35, the telescopic rod 35 is ensured not to be in contact with the hollow sliding groove at the top of the H-shaped support 31, the telescopic rod 35 is conveniently and smoothly stretched, one end of the extension spring 37 is connected with the support of the middle support roller 36, the other end of the extension spring 37 is connected with the H-shaped support 31, the tension force of the middle support roller 36 is ensured to support the telescopic rod 35, the guide roller 39 is installed in the guide plate 32 at the top of the guide plate 32 in pairs, the I-shaped section web of the telescopic rod 35 is contacted with the telescopic rod 35, and the two sides of the middle support roller 38 plays the role of the same role of the middle support roller 38 in the supporting the middle support function.

The working principle of the invention is as follows: according to the model of the product, adjust the anchor clamps for support bottom plate subassembly 112, afterbody location tensioning frame subassembly 113, preceding door under bracing subassembly 114, preceding door side holds in the palm subassembly 115, interior bracing mechanism 116 and the outer hold-down mechanism of 13 in right outer operation platform 12 and the left outer operation platform, fix wide outer hold-down mechanism 124, centre gripping in bottom plate location mechanism 125 and hold-down mechanism 144, compress tightly the subassembly such as can compress tightly fixedly to different product models, utilize handling unit 4 to assemble the front bezel in the box after the regulation is accomplished, put the front bezel on preceding door side and hold-down subassembly 115, utilize preceding door side to hold-down subassembly 115 to fix the front bezel, and utilize electromagnet assembly 1152 to adsorb the fixed front bezel, then utilize handling unit 4 to hang the bottom plate to hold-down bottom plate frame 1121, afterbody location tensioning frame subassembly 113 is taut fixed the bottom plate, then fix the left and right side board on the first outer hold-down mechanism 122, second outer hold-down mechanism 123 and the wide outer hold-down mechanism 124 of left outer operation platform 13 and right outer operation platform 12 inboard respectively, and by first outer hold-down mechanism 122, the second outer hold-down mechanism 123 and the wide outer hold-down mechanism 124, and the front bezel assembly position in the box assembly, and utilize handling unit 4 to weld the side plate assembly to the side plate from the side plate assembly to the side of the side plate assembly, and the side plate assembly is welded to the side plate assembly is accomplished by the side of the side plate assembly 3, and the side plate assembly is welded to the side and is fixed to the side plate assembly is passed to the side and the side of the side plate assembly is finished.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an attached automatic drawing of patterns function's railway carriage or compartment body group box assembly welding workstation which characterized in that: including group's clamp unit (1), drawing of patterns car and track unit (2), ejection of compact buffer memory unit (3) and handling unit (4), group's clamp unit (1) is including group's interior mould anchor clamps (11), right outer operation platform (12), left outer operation platform (13) and longmen hold-down mechanism (14), group's interior mould anchor clamps (11) are including interior frame subassembly (111), support bottom plate subassembly (112), afterbody location taut frame subassembly (113), preceding door lower support subassembly (114), preceding door side support subassembly (115), interior support mechanism subassembly (116).

2. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the inner frame assembly (111) comprises an inner frame (1111), operation tables (1112) are arranged on two sides of the upper end of the inner frame (1111), outer stairs (1113) are arranged on one side of the inner frame (1111), a plurality of inner stairs (1114) are uniformly arranged on the inner side of the inner frame (1111), the upper end of each inner stair (1114) is connected with the operation table (1112), the bottom supporting plate assembly (112) comprises a bottom supporting plate frame (1121), a bottom supporting plate mechanism (1122) is fixedly arranged on the bottom supporting plate frame (1121) through bolts, and a front door guide mechanism (1123) and a first oil cylinder (1124) are arranged on the bottom supporting plate frame (1121).

3. The box assembly welding workstation with an automatic demolding function according to claim 2, wherein: the utility model discloses a sensor, including frame (1111), including supporting bottom plate frame (1121), supporting bottom plate mechanism (1122) is including crossbeam (11221), be connected with regulating plate (11222) through guide keyway and pinhole on crossbeam (11221), regulating plate (11222) are fixed through locking pin (11223), fixedly provided with guide key (11224) on crossbeam (11221), the one end of guide key (11224) passes the guide keyway setting on regulating plate (11222), regulating plate (11222) upper end is fixed to be provided with backing plate (11225), be connected with adjusting pad (11226) through bolted connection on backing plate (11225), the inboard one end of regulating plate (11222) is provided with hand pull rod (11227), the embedding is provided with sensor (11228) on crossbeam (11221).

4. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the front door guide mechanism (1123) comprises a guide sleeve (11231) embedded in the bottom plate frame (1121), a front door guide rod (11232) is arranged on the guide sleeve (11231) in a sliding mode, the tail end of the front door guide rod (11232) is connected with the front door side support assembly (115) through a flange structure, the front end of the front door guide rod (11232) is clamped with a clamping plate (11233), a first oil cylinder (1124) is fixedly arranged in the middle of the end face of the bottom plate frame (1121), and the telescopic end of the first oil cylinder (1124) is connected with the front door side support assembly (115).

5. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the tail positioning tensioning frame assembly (113) comprises a second oil cylinder (1131) fixedly arranged at the tail part of the upper end of an inner frame (1111), a limiting seat (1132) is fixedly connected to the telescopic end of the second oil cylinder (1131), the front door lower support assembly (114) comprises a lower support frame (1141), an angle adjusting screw rod mechanism (1142) and a front door lower support limiting seat (1143) are arranged on the lower support frame (1141), the angle adjusting screw rod mechanism (1142) comprises a mounting plate (11422) fixed with the lower support frame (1141), screw rod seats (11423) are fixedly arranged on two sides of the upper end of the mounting plate (11422), a trapezoidal screw rod (11424) is arranged between the screw rod seats (11423), a sliding seat (11425) is arranged on the trapezoidal screw rod (11424), and the angle adjusting screw rod mechanism (1142) comprises a mounting plate (11422) fixed with the lower support frame (1141)

The upper end of the sliding seat (11425) is provided with the lower end of the pin hole hinged front door side support assembly (115), and one end of the trapezoidal screw rod (11424) penetrates through one screw rod seat (11423) and is fixedly connected with a hand wheel (11421).

6. The box assembly welding workstation with an automatic demolding function according to claim 5, wherein: the front door side holds in palm subassembly (115) including side support frame (1151), be provided with electro-magnet assembly (1152) on side support frame (1151), the upper end of side support frame (1151) is connected with the flexible end of first hydro-cylinder (1124) through movable roof (1153), the fixed articulated seat (1154) that is provided with of one end that keeps away from first hydro-cylinder (1124) of movable roof (1153), articulated seat (1154) are connected with side support frame (1151) upper end through round pin axle (1155) and hinged support (1156), the lower extreme of side support frame (1151) is connected with first connecting rod (1157) through round pin axle (1155) and hinged support (1156), the one end of first connecting rod (1157) articulates and sets up on slide (11425), electro-magnet assembly (1152) include electro-magnet mounting panel (11521) and fixed electro-magnet (11522) that set up on electro-magnet mounting panel (11521), electro-magnet (11521) are connected with side support frame (1151) through round pin axle (1155), and side support frame (1151) are connected with compression spring (11521).

7. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the inner support mechanism assembly (116) comprises an inner support frame (1161) fixedly arranged on the inner frame (111), an inner support rod connecting beam (1163) is connected to the inner support frame (1161) through an inner support sliding plate (1162), an air cylinder (1164) is fixedly arranged at the upper end of the inner support frame (1161), the telescopic end of the air cylinder (1164) is connected with the inner support rod connecting beam (1163) through a connecting rod mechanism (1165), inner support rod assemblies (1166) are arranged at the upper end and the lower end of the inner support rod connecting beam (1163), a guide rail sliding block (1167) is arranged at one end of the inner support sliding plate (1162), the connecting rod mechanism (1165) comprises a rocker (11651), a second connecting rod (11652) is hinged to one end of the rocker (11651) and is hinged to the inner support frame (1161), one end of the second connecting rod (11652) is connected with the inner support rod connecting beam (1163) through a hinge block (1156), a guide sleeve (52) is fixedly arranged at the other end of the second connecting rod (1165) and is connected with the guide sleeve (1163), a guide rod (52) penetrates through the guide sleeve (62) and the guide sleeve (72) and is fixedly arranged at the other end of the connecting rod (1162), the novel anti-theft lock is characterized in that keys matched with the key grooves are arranged on the guide rods (11662), adjusting bolts (11663) are arranged on end face flanges of the guide rods (11662), locking nuts (11664) are arranged on the adjusting bolts (11663), and buckles (11665) are clamped on the guide rods (11662).

8. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the right outer operation platform (12) and the left outer operation platform (13) are symmetrically arranged at two sides of the mold clamp (11) in the mold close assembly, the right outer operation platform (12) and the left outer operation platform (13) comprise a working frame (121), a first outer pressing mechanism (122), a second outer pressing mechanism (123), a fixed-width outer pressing mechanism (124), a bottom plate positioning mechanism (125) and a stair assembly (126), the first outer pressing mechanism (122) and the second outer pressing mechanism (123) comprise a third oil cylinder (1221) fixedly arranged on the working frame (121), the telescopic end of the third oil cylinder (1221) is connected with an inner telescopic sleeve, one end of the inner telescopic sleeve is connected with a stroke adjusting guide rod (1223), one end of the stroke adjusting guide rod (1223) is connected with a first pressing head (1224) through a hinged support, the outer sides of the inner telescopic sleeve and the stroke adjusting guide rod (1223) are provided with a fixed sleeve (1225), and a first roller group (1227) is arranged on the fixed sleeve (1225) through a wheel group mounting seat (1226); the fixed-width external pressing mechanism (124) comprises a fourth oil cylinder (1241) fixedly arranged on the working frame (121), a telescopic end of the fourth oil cylinder (1241) is connected with a transition plate (1242), one side of the transition plate (1242) is fixedly provided with a stroke-adjustable guide rod (1243), the stroke-adjustable guide rod (1243) penetrates through a wheel set mounting plate (1244), a second roller set (1245) is mounted on the wheel set mounting plate (1244), and one side of the transition plate (1242) is provided with a fixed-width pressing head (1246); the bottom plate positioning mechanism (125) comprises a positioning rod (1251), one end of the positioning rod (1251) is provided with a rotating pin shaft (1252) for rotating and arranging on the working frame (121), and the positioning rod (1251) is provided with a fixing bolt (1253).

9. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: gantry hold-down mechanism (14) is including gantry ground rail (141), portal frame (142), slip table car (143), hold-down mechanism (144) and pavement (145), portal frame (142) are through slip table car (143) slip setting on gantry ground rail (141), hold-down mechanism (144) are including setting up in hydro-cylinder mount pad (1441) of portal frame (142) lower extreme, fixed mounting has fifth hydro-cylinder (1442) on hydro-cylinder mount pad (1441), the flexible end of fifth hydro-cylinder (1442) is connected with second pressure head (1443), the inboard of hydro-cylinder mount pad (1441) is provided with auxiliary roller (1444), be provided with locking handle (1445) and operating button (1446) on hydro-cylinder mount pad (1441).

10. The box assembly welding workstation with an automatic demolding function according to claim 1, wherein: the discharging cache unit (3) is composed of four telescopic cache frames, each telescopic cache frame comprises an H-shaped support (31), a guide plate (32) is fixedly arranged at the upper end of each H-shaped support (31), a second air cylinder (33) is fixedly arranged at the upper end of each H-shaped support (31), a telescopic end of each second air cylinder (33) is connected with a telescopic rod (35) through a floating joint (34), the telescopic rods (35) are slidably arranged in the guide plates (32), middle supporting rollers (36) are arranged at the middle positions of the bottom ends of the telescopic rods (35), extension springs (37) are arranged at the upper ends of the middle supporting rollers (36), tail supporting rollers (38) are arranged at the lower sides of tail ends of the telescopic rods (35), and guide rollers (39) are arranged on the contact surfaces between the inner sides of the guide plates (32) and the telescopic rods (35).