Press fitting assembly line for assembling piano

Abstract

The press-fitting assembly line comprises a heating platform, a press-fitting platform and a dumping platform, the heating platform, the press-fitting platform and the dumping platform are linearly arranged from right to left, and the heating platform comprises a platform base, a lifting heating pipe and a conveying base; two groups of transportation bases which are transversely arranged side by side front and back are mounted on the upper end face of the platform base, a plurality of transportation wheels are mounted on the transportation bases side by side, and lifting heating pipes are symmetrically mounted on the left side and the right side of the platform base. The piano assembling machine has the characteristics of improving the piano assembling speed, improving the production efficiency, ensuring the product quality and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of piano assembly equipment, in particular to a pressing assembly assembly line for piano assembly. BACKGROUND

[0002] When the conventional piano performs the assembly of the middle plate assembly and the side plate support, the two sides of the middle plate assembly are usually coated with glue first, and then the two side plate supports are directly butted on the middle plate assembly, and then the pressing mold is used for pressing and positioning, and the glue is allowed to solidify. The selected glue is PVA glue, which has a slow solidification speed. Therefore, the assembly efficiency of the piano is very low during production, and a lot of time is spent waiting for the glue to solidify. In order to solve the above problems, the production equipment of the piano needs to be improved. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a pressing assembly assembly line for piano assembly, which has the characteristics of improving the assembly speed of the piano, improving the production efficiency, and ensuring the product quality.

[0004] The technical scheme adopted by the present application to solve the technical problem is to provide a pressing assembly assembly line for piano assembly, which comprises a heating platform, a pressing platform and a dumping platform, and the heating platform, the pressing platform and the dumping platform are arranged in a straight line from right to left.

[0005] In the technical solution, the heating platform is installed to heat the installation position of the two sides of the middle plate assembly, so that the glue on the installation position of the middle plate assembly can be continuously heated after being coated, and the glue can be quickly solidified, so that the middle plate assembly and the side plate support can be fixedly connected. The pressing platform is installed to facilitate the glue coating operation and the fixing and installation of the side plate support. The dumping platform is installed to facilitate the removal of the assembled product from the platform, to ensure stable transportation and avoid product bumping.

[0006] The heating platform comprises a platform base, a lifting heating pipe and a transportation base, two groups of transportation bases are installed on the upper end face of the platform base in front and rear side-by-side transverse arrangement, a plurality of transportation wheels are installed on the transportation base in parallel, and the lifting heating pipes are symmetrically installed on the left and right sides of the platform base.

[0007] In the technical solution, the transportation base installed on the platform base can smoothly move the middle plate assembly, so that the middle plate assembly can be horizontally fed into the pressing platform through the transportation wheels. The lifting heating pipe is installed to heat the two sides of the middle plate assembly, so that the temperature of the two sides of the middle plate assembly is 40-50 DEG C, so that the temperature of the middle plate assembly can affect the temperature of the glue after being coated, the glue can be quickly solidified, and the rapid butt joint of the side plate support is realized.

[0008] The pressing platform comprises a pressing base, a platform lifting oil cylinder and a pressing platform body, the upper end surface of the pressing base is provided with the platform lifting oil cylinder with the main shaft upward, the lifting main shaft of the platform lifting oil cylinder is provided with the pressing platform body, the upper end surface of the pressing base is symmetrically provided with two pressing oil cylinder mounting seats at the front and rear parts, the pressing oil cylinder mounting seat is rotatably provided with the pressing oil cylinder, the upper end surface of the pressing base is vertically provided with the side stand at the left and right ends, the side stand is provided with the pressing rod mounting seat, the pressing rod mounting seat is connected with the pressing rod through the rotating shaft, the lower end of the pressing rod is connected with the main shaft of the pressing oil cylinder through the rotating shaft, and the upper end of the pressing rod is provided with the pressing plate.

[0009] The platform lifting oil cylinder is used to realize the lifting of the pressing platform body, so that the middle disc assembly can be fixedly placed, the worker can conveniently glue and accurately butt the side plate support, the pressing oil cylinder mounting seat is used to facilitate the installation of the pressing oil cylinder, the pressing rod mounting seat is used to facilitate the installation of the pressing rod, the pressing oil cylinder is used to push the pressing rod, and the pressing plate is used to realize the pressing and fixing of the side plate support.

[0010] The pouring platform comprises a pouring platform base, a pouring platform support and a pouring platform body, the upper end surface of the pouring platform base is symmetrically provided with two pouring platform supports, the upper end front part of the pouring platform support is provided with the rotating shaft seat, the rotating shaft seat is rotatably provided with the turnover shaft, the upper end of the pouring platform body is provided with the pouring platform body, the lower end surface of the pouring platform body is provided with a plurality of connecting seats connected with the turnover shaft, the middle part of the lower end surface of the pouring platform base is provided with the middle driving oil cylinder, the left and right sides of the middle driving oil cylinder are symmetrically provided with the side driving oil cylinder, the front part of the lower end surface of the pouring platform body is provided with the first turnover seat connected with the main shaft of the middle driving oil cylinder, the rear part of the lower end surface of the pouring platform body is provided with two second turnover seats connected with the main shaft of the side driving oil cylinder, the front end surface of the pouring platform body is provided with the bracket extending forward, and the bracket is provided with the supporting plate structure extending upward.

[0011] The pouring platform body and the turnover shaft are installed, the pouring platform body can be turned around the turnover shaft, the assembled product can be transported from the pouring platform body to the front lower part of the pouring platform body, subsequent transportation is facilitated, product damage caused by collision is avoided, the middle driving oil cylinder and the two side driving oil cylinders are installed to realize the turnover action of the pouring platform body, the bracket and the supporting plate structure are installed to support the product and realize the transfer of the product.

[0012] As a supplement to the technical solution, the upper end of the lifting heating pipe is provided with a heating pipe shell, the heating pipe shell is provided with a heating pipe opening at one side close to the platform base, and end butt joints are installed in both ends of the heating pipe opening.

[0013] In the technical solution, the end butt joints are installed to facilitate the installation of the heating pipe, the heating pipe opening is arranged to enable the heat generated by the heating pipe to be radiated to both sides of the middle disc assembly at the position where gluing is required.

[0014] As a supplement to the technical solution, the lower end face of the platform base is provided with a downwardly extending vertical platform support at each corner, a lifting foot is installed in the lower end of the vertical platform support, a lifting oil cylinder mounting seat is installed on one side of the lower part of each vertical platform support, a lifting oil cylinder with a main shaft facing upward is installed on the lifting oil cylinder mounting seat, the lifting oil cylinders on the same side form a group, and the main shaft of each group of lifting oil cylinders is connected to the front and rear ends of the lifting heating pipe.

[0015] In the technical solution, the lifting oil cylinder mounting seat is installed to facilitate the installation of the lifting oil cylinder, and the two lifting oil cylinders are used to move the lifting heating pipe up and down, thereby avoiding interference between the middle disc assembly and the lifting heating pipe during transportation.

[0016] As a supplement to the technical solution, the upper part of the vertical platform support is provided with a heating pipe bracket corresponding to the lifting heating pipe, a stabilizing wheel mounting bracket is installed on the heating pipe bracket, and a stabilizing wheel is installed on the stabilizing wheel mounting bracket. The stabilizing wheel abuts against one side of the lifting heating pipe, and the stabilizing wheel is installed to facilitate smooth operation of the lifting heating pipe.

[0017] As a supplement to the technical solution, the upper end of the side column is provided with a lower support frame extending towards the middle part of the lower end of the press fitting platform body, a side connecting block for press rod mounting seat installation is installed on the outer side of the lower support frame, a platform side stop edge arranged in a longitudinal direction is installed between the upper ends of the side connecting blocks, and a receiving gap matching the press fitting platform body is formed between the two platform side stop edges.

[0018] In the technical solution, the lower support frame is installed to facilitate the installation of the side connecting block, the side connecting block is installed to facilitate the installation of the platform side stop edge, and the receiving gap is arranged to facilitate the receiving of the press fitting platform body.

[0019] As a supplement to the technical solution, the upper end of the side column is installed with a guide bracket near the middle of the lower end of the pressing platform body, and a guide column structure corresponding to the guide bracket is installed on the lower end face of the pressing platform body. By installing the guide bracket and the guide column structure, smooth operation of the pressing platform body is realized.

[0020] As a supplement to the technical solution, the platform side stopper is installed with a wooden cushion block, and two groups of transverse roller devices arranged in front and back are installed on the upper end face of the pressing platform body. By installing the wooden cushion block, the middle disc assembly is conveniently supported, and by arranging the transverse roller devices, smooth transportation of the middle disc assembly is facilitated.

[0021] As a supplement to the technical solution, the rubber pad is installed on the side of the pressing platform body near the pressing plate, and the first supporting leg structure is installed at the four corners of the lower end face of the pressing base. In the technical solution, the rubber pad is installed to avoid damage to the surface of the side plate bracket during pressing and fixing, and the first supporting leg structure is installed to improve the stability of the pressing base.

[0022] As a supplement to the technical solution, the second supporting leg structure is installed at the four corners of the lower end face of the pouring platform base, and two transverse roller groups are installed on the upper end face of the pressing platform body in front and back. By installing the second supporting leg structure, the stability of the pouring platform base is improved, and by installing.

[0023] As a supplement to the technical solution, the pouring platform support includes a front vertical support, a rear vertical support and a longitudinal support, the front vertical support is vertically installed at the front of the upper end face of the pouring platform base, the height of the rear vertical support is higher than that of the front vertical support, the rear vertical support is installed on the rear side of the front vertical support, a longitudinal support is installed between the upper front side of the rear vertical support and the upper end of the front vertical support, and a buffer cushion block is installed on the rear side of the upper end face of the longitudinal support.

[0024] In the technical solution, the front vertical support and the rear vertical support are installed to facilitate the installation of the longitudinal support, the longitudinal support is installed to improve the structural strength of the entire pouring platform support, and the buffer cushion block is installed to avoid excessive impact when the pouring platform body is reset.

[0025] Beneficial effects: the present application relates to a kind of pressurized assembly assembly line for piano assembly, by installing heating platform to heat the installation position of both sides of middle disc assembly piece, ensure that the installation position of middle disc assembly piece can be continuously heated after gluing, so that glue can be quickly solidified, so as to ensure that middle disc assembly piece and side plate support complete fixed connection, by installing pressurized assembly platform, it is convenient to glue operation, also convenient side plate support and when fixed installation, by installing dumping platform, to facilitate the product that the assembly is completed from platform is taken down, ensure stable transportation, avoid product knock, with the characteristics of improving piano assembly speed, improve production efficiency, ensure product quality etc. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the front view of the present application; Figure 2 is the front view of the heating platform of the present application; Figure 3 is the left view of the heating platform of the present application; Figure 4 is the structure view of the lifting heating pipe of the present application; Figure 5 is the front view of the pressurized assembly platform of the present application; Figure 6 is the front view of the pressurized assembly platform of the present application after placing product; Figure 7 is the left view of the pressurized assembly platform of the present application; Figure 8 is the front view of the dumping platform of the present application; Figure 9 is the left view of the dumping platform of the present application; Figure 10 is the structure view of the dumping platform of the present application after completing dumping action.

[0027] Illustrations: 1. Heating platform; 2. Pressing platform; 3. Tilting platform; 101. Platform base; 102. Vertical platform support; 103. Lifting feet; 104. Transport base; 105. Lifting heating pipe; 106. Lifting cylinder mounting seat; 107. Lifting cylinder; 108. Heating pipe bracket; 109. Stabilizing wheel mounting frame; 110. Transport wheel; 111. Heating pipe housing; 112. Heating pipe opening; 113. End docking seat; 114. Heating pipe; 201. Pressing base; 202. Cylinder base; 203. Platform lifting cylinder; 204. Pressing platform body; 205. Horizontal roller device; 206. Lifting spindle; 207. Side connecting block; 208. Platform side guard; 209. Storage notch; 210. Lower support frame; 211. Side column; 21 2. Pressing cylinder mounting base; 213. Pressing cylinder; 214. Pressure rod mounting base; 215. Pressure rod; 216. Fitting pressure plate; 217. Wooden pad; 218. Rubber pad; 219. First support structure; 220. Guide bracket; 221. Guide column structure; 301. Tilting platform body; 302. Tilting platform bracket; 303. Tilting platform base; 304. Second support structure; 305. Rotary shaft seat; 306. Tilting shaft; 307. Connecting seat; 308. Side drive cylinder; 309. Middle drive cylinder; 310. Side drive cylinder; 311. Horizontal roller assembly; 312. Support plate structure; 313. Front vertical bracket; 314. Longitudinal bracket; 315. Rear vertical bracket; 316. Buffer pad; 317. First tilting seat; 318. Second tilting seat. Detailed Implementation

[0028] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0029] Embodiments of the present invention relate to a press-fitting production line for piano assembly, such as... Figure 1 As shown, it includes a heating platform 1, a pressing platform 2, and a tilting platform 3, which are arranged in a straight line from right to left.

[0030] The heating platform 1 is installed to heat the installation positions on both sides of the middle disc assembly, so that the installation positions of the middle disc assembly can be continuously heated after gluing, the glue can be quickly solidified, the fixed connection of the middle disc assembly and the side plate support is ensured, the pressing platform 2 is installed, the gluing operation is facilitated, and the side plate support is also facilitated to be fixedly installed, the tilting platform 3 is installed to facilitate taking down the assembled product from the platform, stable transportation is ensured, and product bumping is avoided.

[0031] As shown in Figures 2-4 The heating platform 1 comprises a platform base 101, a lifting heating pipe 105 and a transportation base 104, two groups of transportation bases 104 are horizontally arranged in front and back on the upper end face of the platform base 101, a plurality of transportation wheels 110 are installed side by side on the transportation base 104, and the lifting heating pipe 105 is symmetrically installed on the left and right sides of the platform base 101.

[0032] The transportation base 104 installed on the platform base 101 can smoothly move the middle disc assembly, so that the middle disc assembly can be horizontally sent to the pressing platform 2 through the transportation wheels 110, the lifting heating pipe 105 is installed to heat both sides of the middle disc assembly, so that both sides of the middle disc assembly have a temperature of 40-50 DEG C, so that the temperature of the middle disc assembly can affect the temperature of the glue after gluing, the glue can be quickly solidified, and the rapid docking of the side plate support is realized.

[0033] As shown in Figures 5-7 The pressing platform 2 comprises a pressing base 201, a platform lifting oil cylinder 203 and a pressing platform body 204, the platform lifting oil cylinder 203 with the main shaft upward is installed on the upper end face of the pressing base 201, the pressing platform body 204 is installed on the lifting main shaft 206 of the platform lifting oil cylinder 203, two pressing oil cylinder mounting seats 212 are symmetrically installed on the front and rear parts of the upper end face of the pressing base 201, the pressing oil cylinder 213 is rotatably installed on the pressing oil cylinder mounting seat 212, the side part stand 211 is vertically installed on the left and right ends of the upper end face of the pressing base 201, the pressing rod mounting seat 214 is installed on the side part stand 211, the pressing rod 215 is connected with the pressing rod mounting seat 214 through the rotating shaft, the lower end of the pressing rod 215 is connected with the main shaft of the pressing oil cylinder 213 through the rotating shaft, the upper end of the pressing rod 215 is installed with the close pressing plate 216, and the oil cylinder base 202 for installing the platform lifting oil cylinder 203 is installed on the middle part of the upper end face of the pressing base 201.

[0034] The installation platform lifting oil cylinder 203 is used to realize the lifting of the pressing platform body 204, so that the middle disc assembly part can be fixedly placed, the worker can conveniently glue and accurately butt the side plate support, the installation pressing oil cylinder mounting seat 212 is used to facilitate the installation of the pressing oil cylinder 213, the installation pressing rod mounting seat 214 is used to facilitate the installation of the pressing rod 215, the installation pressing oil cylinder 213 is used to push the pressing rod 215, and the installation of the pressing plate 216 is used to realize the pressing and fixing of the side plate support.

[0035] As shown in Figures 8-10 The pouring platform 3 comprises a pouring platform base 303, a pouring platform support 302 and a pouring platform body 301. The upper end surface of the pouring platform base 303 is symmetrically provided with two pouring platform supports 302. The upper end front part of each pouring platform support 302 is provided with a rotating shaft seat 305. The rotating shaft seats 305 are rotatably provided with a turnover shaft 306. The upper part of the turnover shaft 306 is provided with the pouring platform body 301. The lower end surface of the pouring platform body 301 is provided with a plurality of connecting seats 307 which are connected with the turnover shaft 306. The middle part of the lower end surface of the pouring platform base 303 is provided with a middle driving oil cylinder 309. The left and right sides of the middle driving oil cylinder 309 are symmetrically provided with side driving oil cylinders 308. The front part of the lower end surface of the pouring platform body 301 is provided with a first turnover seat 317 which is connected with the main shaft of the middle driving oil cylinder 309. The rear part of the lower end surface of the pouring platform body 301 is provided with two second turnover seats 318 which are connected with the main shaft of the side driving oil cylinder 308. The front end surface of the pouring platform body 301 is provided with a bracket 310 which extends forward. The bracket 310 is provided with a supporting plate structure 312 which extends upward.

[0036] In the technical solution, the pouring platform body 301 and the turnover shaft 306 are installed, so that the pouring platform body 301 can be turned around the turnover shaft 306, the assembled product can be transported from the pouring platform body 301 to the front lower part of the pouring platform body 301, the subsequent transportation is facilitated, the product is prevented from being damaged by knocking, the middle driving oil cylinder 309 and the two side driving oil cylinders 308 are installed to realize the turning action of the pouring platform body 301, and the bracket 310 and the supporting plate structure 312 are installed to support the product and realize the transfer of the product.

[0037] As a supplement to the technical solution, the lifting heating pipe 105 is provided with a heating pipe shell 111 at the upper end. The heating pipe shell 111 is provided with a heating pipe opening 112 at one side close to the platform base 101. The two ends of the heating pipe opening 112 are provided with end abutment seats 113. The two end abutment seats 113 are provided with a heating pipe 114.

[0038] The end abutting seat 113 is used to facilitate the installation of the heating pipe 114, and the heating pipe opening 112 is arranged to enable the heat generated by the heating pipe 114 to be radiated to both sides of the middle disc assembly, and the position to be coated with glue.

[0039] As a supplement to the technical solution, the vertical platform support 102 is arranged at the lower end of the platform base 101, the lifting foot 103 is arranged in the lower end of the vertical platform support 102, the lifting cylinder mounting seat 106 is arranged on one side of the lower part of each vertical platform support 102, the lifting cylinder 107 is arranged on the lifting cylinder mounting seat 106, the lifting cylinders 107 on the same side form a group, and the main shaft of each group of lifting cylinders 107 is connected with the front and rear ends of the lifting heating pipe 105.

[0040] The lifting cylinder mounting seat 106 is arranged to facilitate the installation of the lifting cylinder 107, and the two lifting cylinders 107 are used to realize the up-and-down movement of the lifting heating pipe 105, so as to avoid the interference between the middle disc assembly and the lifting heating pipe 105 during transportation.

[0041] As a supplement to the technical solution, the heating pipe bracket 108 corresponding to the lifting heating pipe 105 is arranged on the upper part of the vertical platform support 102, the stabilizing wheel mounting rack 109 is arranged on the heating pipe bracket 108, the stabilizing wheel 110 is arranged on the stabilizing wheel mounting rack 109, the stabilizing wheel 110 abuts against one side of the lifting heating pipe 105, and the stabilizing wheel 110 is arranged to realize the smooth movement of the lifting heating pipe 105.

[0042] As a supplement to the technical solution, the lower support frame 210 extending towards the middle part of the lower end of the pressing platform body 204 is arranged on the upper end of the side column 211, the side connecting block 207 for the pressing rod mounting seat 214 is arranged on the outer side of the lower support frame 210, the platform side stop edge 208 arranged in a longitudinal direction is arranged between the upper ends of the side connecting block 207, and the receiving gap 209 matched with the pressing platform body 204 is formed between the two platform side stop edges 208.

[0043] The lower support frame 210 is arranged to facilitate the installation of the side connecting block 207, the side connecting block 207 is arranged to facilitate the installation of the platform side stop edge 208, and the receiving gap 209 is arranged to facilitate the receiving of the pressing platform body 204.

[0044] As a supplement to the technical solution, the upper end of the side column 211 is provided with a guide bracket 220 near the middle of the lower end of the press fitting platform body 204, and the lower end surface of the press fitting platform body 204 is provided with a guide column structure 221 corresponding to the guide bracket 220. By installing the guide bracket 220 and the guide column structure 221, the smooth operation of the press fitting platform body 204 is realized.

[0045] As a supplement to the technical solution, the platform side stop 208 is provided with a wooden cushion block 217, and the upper end surface of the press fitting platform body 204 is provided with two groups of transverse roller devices 205 arranged in front and back. By installing the wooden cushion block 217, the support of the middle disc assembly is facilitated, and by arranging the transverse roller device 205, the smooth transportation of the middle disc assembly is facilitated.

[0046] As a supplement to the technical solution, the fitting press plate 216 is provided with a rubber pad 218 near one side of the press fitting platform body 204, and the lower end surface of the press fitting base 201 is provided with a first supporting leg structure 219 at the four corners. In the technical solution, the rubber pad 218 is installed to avoid damage to the surface of the side plate bracket during press fitting and fixing, and the first supporting leg structure 219 is installed to improve the stability of the press fitting base 201.

[0047] As a supplement to the technical solution, the lower end surface of the pouring platform base 303 is provided with a second supporting leg structure 304 at the four corners, and the upper end surface of the press fitting platform body 204 is provided with two transverse roller groups 311 arranged in front and back. By installing the second supporting leg structure 304, the stability of the pouring platform base 303 is improved.

[0048] As a supplement to the technical solution, the pouring platform bracket 302 includes a front vertical bracket 313, a rear vertical bracket 315 and a longitudinal bracket 314. The front vertical bracket 313 is vertically installed at the front of the upper end surface of the pouring platform base 303. The height of the rear vertical bracket 315 is higher than that of the front vertical bracket 313. The rear vertical bracket 315 is installed at the rear side of the front vertical bracket 313. The longitudinal bracket 314 is longitudinally and horizontally installed between the upper front side of the rear vertical bracket 315 and the upper end of the front vertical bracket 313. The upper end surface of the longitudinal bracket 314 is provided with a buffer cushion block 316.

[0049] In the technical solution, the front vertical bracket 313 and the rear vertical bracket 315 are installed to facilitate the installation of the longitudinal bracket 314. The longitudinal bracket 314 is installed to improve the structural strength of the entire pouring platform bracket 302. The buffer cushion block 316 is installed to avoid excessive impact when the pouring platform body 301 is reset.

[0050] Embodiment When the piano assembly is carried out, first, the piano middle plate assembly is placed on the transport base 104 of the platform base 101, and then the lifting oil cylinder 107 is started, the main shaft of the lifting oil cylinder 107 is elongated, the lifting heating tube 105 is pushed, so that the lifting heating tube 105 can be aligned with both sides of the piano middle plate assembly, after completion, the lifting heating tube 105 is started, the heat generated by the heating tube 114 warms both sides of the piano middle plate assembly, the temperature heating time is 10 minutes, after completion, the lifting oil cylinder 107 is reset, and the lifting heating tube 105 is stored back into the heating tube bracket 108.

[0051] After completion, the piano middle plate assembly is pushed, the piano middle plate assembly moves along the transport base 104, so that the piano middle plate assembly moves to the pressing platform body 204, then the piano middle plate assembly is aligned, then the platform lifting oil cylinder 203 is started, the lifting main shaft 206 of the platform lifting oil cylinder 203 is retracted, the piano middle plate assembly is placed on the wooden cushion 217, after completion, the side plate structure is smeared with PVA glue, then the side plate structure is attached to the piano middle plate assembly, finally the pressing oil cylinder 213 is started, the main shaft of the pressing oil cylinder 213 is elongated to push the lower end of the pressing rod 215, the upper end of the pressing rod 215 presses the side plate structure, realizing the assembly of the side plate structure and the piano middle plate assembly, the heat of the side of the piano middle plate assembly will be conducted to the PVA glue, the temperature of the PVA glue increases, and then quickly solidifies, so that the side plate structure and the piano middle plate assembly are fixed, finally the worker realizes the secondary fixation of the side plate structure and the piano middle plate assembly by connecting pin, after pressing for 15 minutes, the pressing oil cylinder 213 is reset, the platform lifting oil cylinder 203 is started again, the platform lifting oil cylinder 203 rises with the completed assembly, finally the worker pushes the product to the dumping platform 3.

[0052] When the product moves to the dumping platform body 301, then the middle driving oil cylinder 309 and the side driving oil cylinder 308 are started, the main shaft of the side driving oil cylinder 308 is elongated, and the main shaft of the middle driving oil cylinder 309 is retracted, so that the dumping platform body 301 can rotate around the turning shaft 306, so that the dumping platform body 301 can be turned over, after completion of the dumping action, the supporting plate structure 312 is in a horizontal position and is arranged at the lower front side of the dumping platform base 303, the supporting plate structure 312 can support the product, facilitating the product to be removed from the assembly line.

Claims

1. A press-fit assembly line for assembling a piano, characterized in that: Including heating platform (1), pressure equipment platform (2) and pour platform (3), heating platform (1), pressure equipment platform (2) and pour platform (3) are arranged in a straight line from right to left; The heating platform (1) includes a platform base (101), a lifting heating pipe (105) and a transport base (104), two groups of transport bases (104) are horizontally arranged on the front and back of the upper end face of the platform base (101), a plurality of transport wheels (110) are horizontally arranged on the transport base (104), and lifting heating pipes (105) are symmetrically installed on the left and right sides of the platform base (101); The pressure equipment platform (2) includes a pressure equipment base (201), a platform lifting oil cylinder (203) and a pressure equipment platform body (204), the platform lifting oil cylinder (203) with the main shaft upward is installed on the middle of the upper end face of the pressure equipment base (201), the pressure equipment platform body (204) is installed on the lifting main shaft (206) of the platform lifting oil cylinder (203), two pressure oil cylinder mounting seats (212) are symmetrically installed on the front and back of the upper end face of the pressure equipment base (201), the pressure oil cylinder mounting seat (212) is rotatably installed with a pressure oil cylinder (213), the side column (211) is vertically installed on the left and right ends of the upper end face of the pressure equipment base (201), the pressure rod mounting seat (214) is installed on the side column (211), the pressure rod mounting seat (214) is connected with the pressure rod (215) through the rotating shaft, the lower end of the pressure rod (215) is connected with the main shaft of the pressure oil cylinder (213) through the rotating shaft, and the upper end of the pressure rod (215) is installed with the close contact pressure plate (216). The pouring platform (3) comprises a pouring platform base (303), a pouring platform support (302) and a pouring platform body (301), the upper end face of the pouring platform base (303) is symmetrically provided with two pouring platform supports (302), the upper end front of the pouring platform support (302) is provided with a rotating shaft seat (305), the rotating shaft seats (305) are rotationally provided with a turnover shaft (306), the upper end of the turnover shaft (306) is provided with the pouring platform body (301), the lower end face of the pouring platform body (301) is provided with a plurality of connecting seats (307) in butt joint with the turnover shaft (306), the middle part of the lower end face of the pouring platform base (303) is provided with a middle part driving oil cylinder (309), the left and right sides of the middle part driving oil cylinder (309) are symmetrically provided with side part driving oil cylinders (308), the front part of the lower end face of the pouring platform body (301) is provided with a first turnover seat (317) in butt joint with the main shaft of the middle part driving oil cylinder (309), the rear part of the lower end face of the pouring platform body (301) is provided with two second turnover seats (318) in butt joint with the main shaft of the side part driving oil cylinder (308), the front end face of the pouring platform body (301) is provided with a bracket (310) extending forward, and the bracket (310) is provided with a supporting plate structure (312) extending upward.

2. A press assembly line for piano assembly according to claim 1, characterized in that: The upper end of the lifting heating pipe (105) is provided with a heating pipe shell (111), the side close to the platform base (101) of the heating pipe shell (111) is provided with a heating pipe opening (112), and the two ends of the heating pipe opening (112) are internally provided with end abutment seats (113), and the two end abutment seats (113) are provided with a heating pipe (114) therebetween.

3. A press assembly line for piano assembly according to claim 1, characterized in that: The lower end face of the platform base (101) is provided with vertical platform supports (102) extending downward at four corners, the lower end of the vertical platform support (102) is internally provided with a lifting foot (103), one side of the lower part of each vertical platform support (102) is provided with a lifting oil cylinder mounting seat (106) extending leftward or rightward, the lifting oil cylinder mounting seat (106) is provided with a lifting oil cylinder (107) with a main shaft upward, two lifting oil cylinders (107) on the same side form a group, and the main shaft of each group of lifting oil cylinders (107) is connected with the front and rear ends of the lifting heating pipe (105).

4. A press assembly line for piano assembly according to claim 3, characterized in that: The upper part of the vertical platform support (102) is provided with a heating pipe bracket (108) corresponding to the lifting heating pipe (105), the heating pipe bracket (108) is provided with a stabilizing wheel mounting rack (109), the stabilizing wheel mounting rack (109) is provided with a stabilizing wheel (110), and the stabilizing wheel (110) abuts against one side of the lifting heating pipe (105).

5. A press assembly line for piano assembly as claimed in claim 1, wherein: The upper end of the side column (211) is provided with a lower support frame (210) extending towards the middle of the lower end of the pressing platform body (204), the outer side of the lower support frame (210) is provided with a side connecting block (207) for mounting a pressing rod mounting seat (214), the upper end of the side connecting block (207) is provided with a longitudinal arranged platform side stop edge (208), and the two platform side stop edges (208) form a receiving gap (209) matched with the pressing platform body (204).

6. A press assembly line for piano assembly according to claim 5, characterized in that: The upper end of the side column (211) is provided with a guide bracket (220) near the middle of the lower end of the pressing platform body (204), and the lower end surface of the pressing platform body (204) is provided with a guide column structure (221) corresponding to the guide bracket (220).

7. A press assembly line for piano assembly according to claim 5, characterized in that: The platform side stop edge (208) is provided with a wooden cushion block (217), and the upper end surface of the pressing platform body (204) is provided with two groups of front and rear side arranged horizontal roller devices (205).

8. A press assembly line for piano assembly as claimed in claim 1, wherein: The rubber pad (218) is arranged on one side of the pressing platform body (204) near the pressing plate (216), and the lower end surface of the pressing base (201) is provided with a first supporting leg structure (219) at the four corners.

9. A press assembly line for piano assembly as claimed in claim 1, wherein: The lower end surface of the pouring platform base (303) is provided with a second supporting leg structure (304) at the four corners, and the upper end surface of the pressing platform body (204) is provided with two horizontal roller groups (311) arranged front and rear.

10. A press assembly line for piano assembly as claimed in claim 1, wherein: The pouring platform support (302) comprises a front vertical support (313), a rear vertical support (315) and a longitudinal support (314), the front vertical support (313) is vertically arranged on the upper end surface of the pouring platform base (303), the height of the rear vertical support (315) is higher than that of the front vertical support (313), the rear vertical support (315) is arranged on the rear side of the front vertical support (313), the longitudinal support (314) is horizontally arranged on the upper end surface of the rear vertical support (315) and the upper end of the front vertical support (313), and the upper end surface of the longitudinal support (314) is provided with a buffer cushion block (316).

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