A double-layer feeding and conveying device for machining multiple types of crankshafts

Abstract

The present invention relates to the technical field of crankshaft processing conveying equipment, and discloses a double-layer loading and conveying device for processing multiple types of crankshafts, including: the double-layer loading and conveying device includes a lower conveying line and an upper conveying line located above the lower conveying line; the end of the lower conveying line is located behind the end of the upper conveying line to convey the crankshaft blank located behind the end of the upper conveying line; a crankshaft longitudinal clamping and transplanting device is longitudinally arranged at the end of the double-layer loading and conveying device; a crankshaft transverse transplanting device is transversely arranged at the end of the crankshaft longitudinal clamping and transplanting device. The double-layer loading and conveying device for processing multiple types of crankshafts provided by the present invention has a more compact overall structure, occupies less space, realizes automatic control of the entire conveying process, has the characteristics of high automation and high conveying efficiency, and is suitable for processing multiple types of crankshafts.

Description

Technical Field

[0001] The invention relates to the technical field of crankshaft processing and conveying equipment, and in particular to a double-layer feeding and conveying device used for processing multiple types of crankshafts. Background Art

[0002] The crankshaft is an important component of the engine, and its manufacturing process is extremely complex. Therefore, in order to meet production needs, the operation of the product flow station is handed over to the assembly line. However, the traditional crankshaft processing assembly line is installed in a "one" shape, which occupies a large space, has low automation, high labor intensity, and low transportation efficiency. Summary of the invention

[0003] The purpose of the present invention is to overcome the problems of the prior art and to provide a double-layer loading and conveying device for machining multiple types of crankshafts, which has a more compact overall structure, occupies less space, can realize automatic control of the entire conveying process, and has the characteristics of high automation and high conveying efficiency.

[0004] In order to achieve the above object, the present invention adopts the following scheme:

[0005] A double-layer feeding and conveying device for machining multiple types of crankshafts, comprising:

[0006] A double-layer loading and conveying device comprises a lower conveying line and an upper conveying line located above the lower conveying line; the end of the lower conveying line is located behind the end of the upper conveying line to convey the crankshaft blank located behind the end of the upper conveying line;

[0007] A crankshaft longitudinal clamping and transplanting device, which is longitudinally arranged at the end of the double-layer loading and conveying device, and is used to clamp the crankshaft blank and move it longitudinally toward the end of the crankshaft longitudinal clamping and transplanting device;

[0008] The crankshaft transverse transfer device is transversely arranged at the end of the crankshaft longitudinal clamping and transfer device, and is used to transfer the crankshaft blank on the end of the crankshaft longitudinal clamping and transfer device to the end of the crankshaft transverse transfer device.

[0009] Furthermore, the lower conveyor line comprises:

[0010] Lower rack,

[0011] A lower layer blank input port, which is arranged at the beginning of the lower layer frame;

[0012] A lower driving device, which is arranged at the beginning of the lower frame;

[0013] A lower transmission mechanism is arranged from the beginning to the end of the lower frame and is in transmission connection with the lower drive device;

[0014] A lower bracket assembly; a plurality of the lower bracket assemblies are arranged at intervals on the lower transmission mechanism; the lower driving device drives the plurality of the lower bracket assemblies to cyclically move from the beginning to the end of the lower frame through the lower transmission mechanism;

[0015] The upper conveying line comprises:

[0016] An upper rack, which is arranged on the lower rack;

[0017] An upper blank input port, which is arranged at the beginning of the upper frame;

[0018] An upper driving device, which is arranged at the beginning of the upper frame;

[0019] An upper transmission mechanism is arranged from the beginning to the end of the upper frame and is transmission-connected to the upper drive device;

[0020] An upper bracket assembly; a plurality of the upper bracket assemblies are arranged at intervals on the upper transmission mechanism; the upper driving device drives the plurality of the upper bracket assemblies to cyclically move from the beginning to the end of the upper frame through the upper transmission mechanism.

[0021] Further, the lower driving device comprises a lower motor, a lower driving gear, a lower driven gear, a lower gear chain and a lower pre-tightening gear assembly; the lower motor is arranged at the beginning of the lower frame; the output shaft of the lower motor is connected with the lower driving gear; the lower driven gear is transmission-connected with the lower transmission mechanism; the lower driving gear is transmission-connected with the lower driven gear through the lower gear chain; the lower pre-tightening gear assembly is arranged on the lower frame and transmission-connected with the lower gear chain;

[0022] The upper driving device comprises an upper motor, an upper driving gear, an upper driven gear, an upper gear chain and an upper pre-tightening gear assembly; the upper motor is arranged at the beginning of the upper frame; the output shaft of the upper motor is connected with the upper driving gear; the upper driven gear is transmission-connected with the upper transmission mechanism; the upper driving gear is transmission-connected with the upper driven gear through the upper gear chain; the upper pre-tightening gear assembly is arranged on the upper frame and transmission-connected with the upper gear chain;

[0023] The lower transmission mechanism comprises a lower main rotating shaft, a lower auxiliary rotating shaft, a lower main sprocket, a lower auxiliary sprocket and a lower chain;

[0024] The lower main rotating shaft is rotatably connected to the starting end of the lower frame and is located behind the lower blank input port and is transmission-connected to the lower driving device; both ends of the lower main rotating shaft are provided with the lower main sprocket;

[0025] The lower auxiliary rotating shaft is rotatably connected to the end of the lower frame; both ends of the lower auxiliary rotating shaft are provided with the lower auxiliary sprockets; each of the lower main sprockets and the corresponding lower auxiliary sprockets are connected in driving cooperation via a lower chain;

[0026] A plurality of the lower layer bracket assemblies are arranged at intervals between the two lower layer chains and can cyclically move from the beginning to the end of the lower layer frame synchronously with the lower layer chains;

[0027] The upper transmission mechanism comprises an upper main rotating shaft, an upper auxiliary rotating shaft, an upper main sprocket, an upper auxiliary sprocket and an upper chain;

[0028] The upper main rotating shaft is rotatably connected to the starting end of the upper frame and is located behind the upper blank input port and is transmission-connected to the upper driving device; both ends of the upper main rotating shaft are provided with the upper main sprocket;

[0029] The upper auxiliary rotating shaft is rotatably connected to the end of the upper frame; both ends of the upper auxiliary rotating shaft are provided with the upper auxiliary sprocket; each of the upper main sprockets and the corresponding upper auxiliary sprocket are connected in transmission through an upper chain;

[0030] A plurality of upper bracket assemblies are arranged at intervals between the two upper chains and can cyclically move from the beginning to the end of the upper frame synchronously with the upper chains.

[0031] Further, the lower bracket assembly includes a lower bracket and a lower bracket support; the lower bracket is connected between the two lower chains; at least two lower bracket support brackets are vertically distributed on the lower bracket along the length direction of the lower bracket;

[0032] The upper bracket assembly includes an upper bracket and an upper support bracket; the upper bracket is connected between the two upper chains; at least two upper support brackets are vertically distributed on the upper bracket along the length direction of the upper bracket.

[0033] Furthermore, the lower driving gear is located in front of the upper driving gear; and the lower driven gear is located behind the upper driven gear.

[0034] Furthermore, the crankshaft longitudinal clamping and transplanting device comprises:

[0035] A longitudinal frame, which is longitudinally arranged at the end of the double-layer loading and conveying device;

[0036] A longitudinal transplanting device, which is arranged at the upper end of the longitudinal frame;

[0037] A vertical transplanting device, which is arranged on the longitudinal transplanting device; the longitudinal transplanting device drives the vertical transplanting device to reciprocate along the direction from the beginning to the end of the longitudinal frame;

[0038] A crankshaft clamping assembly connected to the vertical transplanting device; the vertical transplanting device drives the crankshaft clamping assembly to reciprocate in the up and down directions relative to the longitudinal frame;

[0039] A transfer table is installed on the end of the longitudinal frame and is located below the crankshaft clamping assembly, and is used for temporarily storing the crankshaft blank.

[0040] Furthermore, the longitudinal transplanting device comprises:

[0041] Longitudinal guide rails, two of which are longitudinally arranged at the upper end of the longitudinal frame;

[0042] A sliding mounting mechanism, which is slidably connected to the two longitudinal guide rails and reciprocates along the longitudinal guide rails in the direction from the beginning to the end of the longitudinal frame; the vertical transplanting device is arranged on the sliding mounting mechanism;

[0043] A longitudinal transmission mechanism, which is transmission-connected to the sliding installation mechanism;

[0044] A longitudinal drive motor is arranged on the longitudinal transmission mechanism; an output shaft of the longitudinal drive motor is transmission-connected to the longitudinal transmission mechanism.

[0045] Furthermore, the starting end of the longitudinal guide rail is the same as the starting end of the longitudinal frame; the end of the double-layer loading and conveying device is located inside the longitudinal frame; the distance from the starting end of the longitudinal guide rail to the end of the double-layer loading and conveying device is greater than or equal to half the length of the longitudinal guide rail.

[0046] Further, the crankshaft transverse transfer device comprises a transverse frame, a transverse moving device arranged on the transverse frame, and a loading support adjusting device slidably connected to the transverse moving device; the transverse moving device drives the loading support adjusting device to reciprocate along the direction from the beginning to the end of the transverse frame; the loading support adjusting device comprises:

[0047] a loading and mounting bracket slidably connected to the lateral moving device;

[0048] A fixed support assembly, which is mounted on one end of the loading and mounting bracket;

[0049] A movable support assembly is slidably connected to an end away from the loading and mounting bracket relative to the fixed support assembly and reciprocatingly moves closer to or away from the fixed support assembly, and is used to support the crankshaft blank together with the fixed support assembly;

[0050] The loading pushing assembly is arranged on the loading mounting bracket and connected to the movable supporting assembly and pushes the movable supporting assembly to move reciprocatingly closer to or farther from the fixed supporting assembly.

[0051] Furthermore, the loading and pushing assembly:

[0052] A loading slide rail, which is connected to an end away from the loading mounting bracket relative to the fixed support assembly;

[0053] A loading mounting seat, which is slidably connected to the loading slide rail and connected to the movable support assembly;

[0054] A loading pusher, which is arranged on the loading mounting bracket and located on one side of the loading slide rail, and is connected to the loading mounting seat, and pushes the movable support assembly to move reciprocatingly closer to or farther from the fixed support assembly on the loading slide rail;

[0055] The fixed support assembly comprises:

[0056] a fixed mounting plate mounted on one end of the loading mounting bracket;

[0057] Fixed placement wheel; two fixed placement wheels are horizontally connected side by side to the upper end of the fixed mounting plate;

[0058] The mobile support assembly comprises:

[0059] A movable mounting plate, which is connected to the loading mounting seat at a position relative to the fixed mounting plate;

[0060] Movable placement wheel; the two movable placement wheels are located side by side on the upper end of the movable mounting plate relative to the positions of the two fixed placement wheels.

[0061] Compared with the prior art, the present invention has the following advantages:

[0062] 1. The double-layer loading and conveying device for machining multiple types of crankshafts of the present invention is composed of a double-layer loading and conveying device, a crankshaft longitudinal clamping and transplanting device and a crankshaft transverse transplanting device. The crankshaft longitudinal clamping and transplanting device and the crankshaft transverse transplanting device are arranged at the ends of the double-layer loading and conveying device in the transverse and longitudinal directions. The lower conveying line and the upper conveying line of the double-layer loading and conveying device are first used to realize double-layer conveying of crankshaft blanks; the crankshaft longitudinal clamping and transplanting device is used to clamp the crankshaft blanks on the ends of the lower conveying line and the ends of the upper conveying line and longitudinally move them toward the ends of the crankshaft longitudinal clamping and transplanting device; then the crankshaft transverse transplanting device is used to transversely move and transplant the crankshaft blanks on the ends of the crankshaft longitudinal clamping and transplanting device to the ends of the crankshaft transverse transplanting device to the next workstation, so as to realize transverse and longitudinal transportation of the crankshaft blanks, thereby making the overall structure of the double-layer loading and conveying device for machining multiple types of crankshafts more compact, occupying less space, realizing automatic control of the entire transportation process, having the characteristics of high automation and high transportation efficiency, and being suitable for machining multiple types of crankshafts.

[0063] 2. The double-layer loading and conveying device for crankshaft multi-type processing of the present invention is arranged so that the end of the lower conveying line is located behind the end of the upper conveying line, which is conducive to conveying the crankshaft blanks located behind the end of the upper conveying line, and facilitates the crankshaft longitudinal clamping and transplanting device to clamp and convey the crankshaft blanks on the lower conveying line and the upper conveying line, which is more conducive to improving the conveying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] The present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0065] Figure 1 It is a three-dimensional structural schematic diagram of a double-layer loading and conveying device for machining multiple types of crankshafts according to the present invention.

[0066] Figure 2 The schematic diagram of the partial three-dimensional structure of the double-layer loading and conveying device of the present invention is Figure 1 .

[0067] Figure 3 The schematic diagram of the partial three-dimensional structure of the double-layer loading and conveying device of the present invention is Figure 2 .

[0068] Figure 4 It is a schematic structural diagram of the lower layer driving device and the upper layer driving device of the present invention.

[0069] Figure 5 It is a three-dimensional structural schematic diagram of the lower bracket assembly of the present invention.

[0070] Figure 6 It is a three-dimensional structural schematic diagram of a crankshaft longitudinal clamping and transplanting device and a crankshaft transverse transplanting device of the present invention.

[0071] Figure 7 It is a three-dimensional structural schematic diagram of the crankshaft longitudinal clamping and transplanting device of the present invention.

[0072] Figure 8 The partial three-dimensional structure diagram of the crankshaft longitudinal clamping and transplanting device of the present invention is shown in FIG. Figure 1 .

[0073] Fig. 9 The partial three-dimensional structure diagram of the crankshaft longitudinal clamping and transplanting device of the present invention is shown in FIG. Figure 2 .

[0074] Fig.10 It is a three-dimensional structural schematic diagram of the transfer table of the present invention.

[0075] Fig.11 It is a three-dimensional structural schematic diagram of the crankshaft lateral transfer device of the present invention.

[0076] Fig.12 It is a partial three-dimensional structural schematic diagram of the crankshaft lateral transfer device of the present invention.

[0077] The figure includes:

[0078] Double-layer loading and conveying device 1, lower conveying line 11, lower frame 111, lower blank input port 112, lower driving device 113, lower motor 1131, lower driving gear 1132, lower driven gear 1133, lower gear chain 1134, lower pre-tightening gear assembly 1135, lower pushing assembly 11351, lower pre-tightening gear 11352, lower transmission mechanism 114, lower main rotating shaft 1141, lower secondary rotating shaft 1142, lower main sprocket 1143, lower secondary sprocket 1144, lower chain 1145, lower bracket assembly 115, lower support plate 1151, lower support bracket 1152, plate body 11521, arc groove 11522, front groove wall 115221, rear groove wall 115222 Groove wall 115222, lower guide chain groove 116, upper conveyor line 12, upper frame 121, upper blank input port 122, upper driving device 123, upper motor 1231, upper driving gear 1232, upper driven gear 1233, upper gear chain 1234, upper pre-tightening gear assembly 1235, upper pushing assembly 12351, upper pre-tightening gear 12352, upper transmission mechanism 124, upper main rotating shaft 1241, upper secondary rotating shaft 1242, upper main sprocket 1243, upper secondary sprocket 1244, upper chain 1245, upper bracket assembly 125, upper support plate 1251, upper support bracket 1252, upper guide chain groove 126, crankshaft longitudinal clamping and transplanting device 2, longitudinal Frame 21, longitudinal transplanting device 22, longitudinal guide rail 221, sliding installation mechanism 222, longitudinal mounting plate 2221, mounting port 22211, guide plate 2222, top pulley 2223, side pulley 2224, longitudinal transmission mechanism 223, fixing plate 2231, longitudinal transmission chain 2232, longitudinal reducer 2233, longitudinal transmission gear 2234, side roller 2235, longitudinal drive motor 224, vertical transplanting device 23, vertical mounting column 231, vertical guide rail 232, vertical slide 233, vertical gear bar 234, vertical gear 235, vertical drive motor 236, crankshaft clamping assembly 24, clamping electric cylinder 241, clamping claw 242, turntable 25, fixed bracket 251, temporary Storage bracket assembly 252, crankshaft transverse transfer device 3, transverse frame 31, lower transverse support rod 311, upper transverse support rod 312, vertical connecting rod 313, transverse moving device 32, transverse mounting cylinder 321, transverse guide slide rail 322, transverse moving slide seat 323, transverse transmission mechanism 324, transverse main sprocket 3241, transverse secondary sprocket 3242, transverse chain 3243, transverse drive motor 325, loading support adjustment device 33, loading mounting bracket 331, fixed support assembly 332, fixed mounting plate 3321, fixed placement wheel 3322, mobile support assembly 333, mobile mounting plate 3331, mobile placement wheel 3332, loading push assembly 334, loading slide rail 3341, loading mounting seat 3342,Loading pusher 3343, adjustment motor 34, tightening pulley 35, control system 4. DETAILED DESCRIPTION

[0079] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0080] like Figures 1 to 12 As shown, a double-layer loading and conveying device for machining multiple types of crankshafts includes a double-layer loading and conveying device 1, a crankshaft longitudinal clamping and transplanting device 2, and a crankshaft transverse transplanting device 3. The double-layer loading and conveying device 1 includes a lower conveying line 11 and an upper conveying line 12 located above the lower conveying line 11; the end of the lower conveying line 11 is located behind the end of the upper conveying line 12 to transport the crankshaft blanks located behind the end of the upper conveying line 12. By setting the end of the lower conveying line 11 to be located behind the end of the upper conveying line 12, it is beneficial to transport the crankshaft blanks located behind the end of the upper conveying line 12, and it is convenient for the crankshaft longitudinal clamping and transplanting device 2 to clamp and transport the crankshaft blanks on the lower conveying line 11 and the upper conveying line 12, which is more conducive to improving the efficiency of transportation. The crankshaft longitudinal clamping and transplanting device 2 is longitudinally arranged at the end of the double-layer loading and conveying device 1, and is used to clamp the crankshaft blank and move it longitudinally toward the end of the crankshaft longitudinal clamping and transplanting device 2; the crankshaft transverse transplanting device 3 is transversely arranged at the end of the crankshaft longitudinal clamping and transplanting device 2, and is used to transplant the crankshaft blank on the end of the crankshaft longitudinal clamping and transplanting device 2 and move it transversely toward the end of the crankshaft transverse transplanting device 3.

[0081] The double-layer loading and conveying device for machining multiple types of crankshafts is composed of a double-layer loading and conveying device 1, a crankshaft longitudinal clamping and transplanting device 2, and a crankshaft transverse transplanting device 3. The crankshaft longitudinal clamping and transplanting device 2 and the crankshaft transverse transplanting device 3 are arranged at the end of the double-layer loading and conveying device, and the end space of the double-layer loading and conveying device 1 is fully utilized. When in use, the lower conveying line 11 and the upper conveying line 12 of the double-layer loading and conveying device are first used to realize double-layer conveying of crankshaft blanks, and then the crankshaft longitudinal clamping and transplanting device 2 is used to clamp the end of the lower conveying line 11 and the upper conveying line 12. The crankshaft blank at the end of the layer conveyor line 12 is longitudinally moved toward the end of the crankshaft longitudinal clamping and transplanting device 2, and then the crankshaft transverse transplanting device 3 is used to transversely move the crankshaft blank at the end of the crankshaft longitudinal clamping and transplanting device 2 toward the end of the crankshaft transverse transplanting device 3 to reach the next workstation, thereby realizing the transverse and longitudinal transportation of the crankshaft blank, thereby making the overall structure of the double-layer loading and conveying device used for processing multiple types of crankshafts more compact and occupying less space, realizing automatic control of the entire transportation process, having the characteristics of high automation and high transportation efficiency, and being suitable for processing multiple types of crankshafts.

[0082] In this specific embodiment, the lower conveyor line 11 includes a lower frame 111, a lower blank inlet 112, a lower drive device 113, a lower transmission mechanism 114 and a lower bracket assembly 115. The lower blank inlet 112 is arranged at the beginning of the lower frame 111; the lower drive device 113 is arranged at the beginning of the lower frame 111; the lower transmission mechanism 114 is arranged from the beginning to the end of the lower frame 111 and is connected to the lower drive device 113; a plurality of lower bracket assemblies 115 are arranged on the lower transmission mechanism 114 at intervals; the lower drive device 113 drives a plurality of lower bracket assemblies 115 to cyclically move from the beginning to the end of the lower frame 111 through the lower transmission mechanism 114. The upper conveyor line 12 includes an upper frame 121, an upper blank inlet 122, an upper transmission mechanism 124 and an upper bracket assembly 125. The upper frame 121 is arranged on the lower frame 111; the upper blank inlet 122 is arranged on the beginning of the upper frame 121; the upper driving device 123 is arranged at the beginning of the upper frame 121; the upper transmission mechanism 124 is arranged from the beginning to the end of the upper frame 121 and is in transmission connection with the upper driving device 123; a plurality of upper bracket assemblies 125 are arranged on the upper transmission mechanism 124 at intervals; the upper driving device 123 drives a plurality of upper bracket assemblies 125 to cyclically move from the beginning to the end of the upper frame 121 through the upper transmission mechanism 124. When the double-layer loading and conveying device 1 is working, the lower conveying line 11 and the upper conveying line 12 start working at the same time. The working principles of the lower conveying line 11 and the upper conveying line 12 are exactly the same. The crankshaft blanks are respectively put into the lower blank input port 112 and the upper blank input port 122, and the lower bracket assembly 115 and the upper bracket assembly 125 are used to support the crankshaft blanks. The supported crankshaft blanks are more stable, and the lower driving device 113 is used to drive the lower transmission mechanism 114 to drive the transmission work, so as to drive a plurality of the lower bracket assemblies 115 from the lower machine The upper bracket assembly 125 can be cyclically moved from the beginning to the end of the upper frame 111, so that the crankshaft blank on the lower bracket assembly 115 can be transported to the end of the lower frame 111; similarly, the upper driving device 123 is used to drive the upper transmission mechanism 124 to drive the plurality of upper bracket assemblies 125 to cyclically move from the beginning to the end of the upper frame 121, so that the crankshaft blank on the upper bracket assembly 125 can be transported to the end of the upper frame 121, thereby realizing double-layer transportation of the crankshaft blank, improving the transportation efficiency, and having the characteristics of high automation and high transportation efficiency.

[0083] Specifically, the lower driving device 113 includes a lower motor 1131, a lower driving gear 1132, a lower driven gear 1133, a lower gear chain 1134 and a lower pre-tightening gear assembly 1135; the lower motor 1131 is arranged at the starting end of the lower frame 111; the output shaft of the lower motor 1131 is connected with the lower driving gear 1132; the lower driven gear 1133 is transmission-connected with the lower transmission mechanism 114; the lower driving gear 1132 and the lower driven gear 1133 are transmission-connected through the lower gear chain 1134; the lower pre-tightening gear assembly 1135 is arranged on the lower frame 111 and transmission-connected with the lower gear chain 1134; the lower transmission mechanism 114 includes a lower main rotating shaft 1141, a lower auxiliary rotating shaft 1142, a lower main sprocket 1143, a lower auxiliary Sprocket 1144 and lower chain 1145; the lower main rotating shaft 1141 is rotatably connected to the starting end of the lower frame 111 and is located behind the lower blank input port 112 and is transmission-connected to the lower driving device 113; both ends of the lower main rotating shaft 1141 are provided with the lower main sprocket 1143; the lower auxiliary rotating shaft 1142 is rotatably connected to the end of the lower frame 111; both ends of the lower auxiliary rotating shaft 1142 are provided with the lower auxiliary sprocket 1144; each of the lower main sprocket 1143 and the corresponding lower auxiliary sprocket 1144 are transmission-connected through a lower chain 1145; a plurality of the lower bracket assemblies 115 are arranged at intervals between the two lower chains 1145 and can cyclically move from the starting end to the end of the lower frame 111 synchronously with the lower chain 1145. In this embodiment, the lower conveyor line 11 and the upper conveyor line 12 can work simultaneously or separately. When the lower conveyor line 11 is working, the lower motor 1131 is started, and the lower motor 1131 drives the lower driving gear 1132 to rotate, and the lower driving gear 1132 drives the lower gear chain 1134, the lower driven gear 1133 and the lower pre-tightening gear assembly 1135 to rotate synchronously. Under the action of the transmission, the lower driven gear 1133 drives the lower main rotating shaft 1141, the lower main sprocket 1143, the lower chain 1145, the lower secondary sprocket 1144 and the lower secondary rotating shaft 1142 to rotate synchronously, so that the two lower chains 1145 synchronously move in a cycle from the beginning to the end of the lower frame 111, and then drive a plurality of lower bracket assemblies 115 to move in a cycle from the beginning to the end of the lower frame 111, so as to realize the conveying of the crankshaft blank, with high automation and more stable and reliable conveying. In addition, the lower pre-tightening gear assembly 1135 can adjust the tension of the lower gear chain 1134 to ensure the stable operation of the lower driving device 113, thereby improving the stability and reliability of the lower conveying line 11.The lower pre-tightening gear assembly 1135 includes a lower pushing assembly 11351 disposed on the lower frame 111 and a lower pre-tightening gear 11352 connected to the lower pushing assembly 11351 and meshingly connected to the lower gear chain 1134. By adjusting the lower pushing assembly 11351 to push the lower pre-tightening gear 11352, the tension of the lower gear chain 1134 can be adjusted to ensure the stable operation of the lower driving device 113.

[0084] Among them, the upper driving device 123 includes an upper motor 1231, an upper driving gear 1232, an upper driven gear 1233, an upper gear chain 1234 and an upper pre-tightening gear assembly 1235; the upper motor 1231 is arranged at the starting end of the upper frame 121; the output shaft of the upper motor 1231 is connected with the upper driving gear 1232; the upper driven gear 1233 is transmission-connected with the upper transmission mechanism 124; the upper driving gear 1232 is transmission-connected with the upper driven gear 1233 through the upper gear chain 1234; the upper pre-tightening gear assembly 1235 is arranged on the upper frame 121 and transmission-connected with the upper gear chain 1234. The upper transmission mechanism 124 includes an upper main rotating shaft 1241, an upper auxiliary rotating shaft 1242, an upper main sprocket 1243, an upper auxiliary sprocket 1244 and an upper chain 1245; the upper main rotating shaft 1241 is rotatably connected to the starting end of the upper frame 121 and is located behind the upper blank input port 122 and is transmission-connected to the upper driving device 123; both ends of the upper main rotating shaft 1241 are provided with the upper main sprocket 1243; the upper auxiliary rotating shaft 124 2 is rotatably connected to the end of the upper frame 121; both ends of the upper auxiliary rotating shaft 1242 are provided with the upper auxiliary sprocket 1244; each of the upper main sprockets 1243 and the corresponding upper auxiliary sprocket 1244 are matched and connected through an upper chain 1245; a plurality of upper bracket assemblies 125 are arranged between two upper chains 1245 at intervals and can be synchronously moved from the beginning to the end of the upper frame 121 in a circular motion with the upper chains 1245. When the upper conveying line 12 is working, the upper motor 1231 is started, the upper motor 1231 drives the upper driving gear 1232 to rotate, the upper driving gear 1232 drives the upper gear chain 1234, the upper driven gear 1233 and the upper pre-tightening gear assembly 1235 to rotate synchronously, and under the action of the transmission, the upper driven gear 1233 drives the upper main rotating shaft 1241, the upper main sprocket 1243, the upper chain 1245, the upper secondary sprocket 1244 and the upper secondary rotating shaft 1246. 242 rotates synchronously, so that the two upper chains 1245 synchronously move in a cycle from the beginning to the end of the upper frame 121, thereby driving a plurality of upper bracket assemblies 125 to move in a cycle from the beginning to the end of the upper frame 121, thereby realizing the conveying of the crankshaft blanks, with high automation and more stable and reliable conveying; by combining the upper conveyor line 12 and the lower conveyor line 11, double-layer conveying of the crankshaft blanks can be realized, which can improve the conveying efficiency and has the characteristics of high automation and high conveying efficiency.In addition, the upper pre-tightening gear assembly 1235 has the same principle as the lower pre-tightening gear assembly 1135, and can also adjust the tension of the upper gear chain 1234 to ensure the stable operation of the upper driving device 123, thereby improving the stability and reliability of the upper conveying line 12. The upper pre-tightening gear assembly 1235 includes an upper pushing assembly 12351 disposed on the upper frame 121 and an upper pre-tightening gear 12352 connected to the upper pushing assembly 12351 and meshingly connected to the upper gear chain 1234. By adjusting the upper pushing assembly 12351 to push the upper pre-tightening gear 12352, the tension of the upper gear chain 1234 can be adjusted to ensure the stable operation of the upper driving device 123.

[0085] In order to ensure that the crankshaft blank is more stably transported and supported on the lower bracket assembly 115 and the upper bracket assembly 125, the lower bracket assembly 115 includes a lower pallet 1151 and a lower support bracket 1152; the lower pallet 1151 is connected between the two lower chains 1145; at least two lower support brackets 1152 are vertically distributed on the lower pallet 1151 along the length direction of the lower pallet 1151; the upper bracket assembly 125 includes an upper pallet 1251 and an upper support bracket 1252; the upper pallet 1251 is connected between the two upper chains 1245; at least two upper support brackets 1252 are vertically distributed on the upper pallet 1251 along the length direction of the upper pallet 1251. For the lower bracket assembly 115, by arranging at least two lower support brackets 1152 on the lower support plate 1151, stable support for the crankshaft blank is achieved, and the stability of the crankshaft blank during the transportation process is ensured. In this embodiment, the number of the lower support brackets 1152 is 3. Similarly, the function of the lower bracket assembly 115 is the same. In this embodiment, the number of the upper support brackets 1252 is 3. By arranging at least two upper support brackets 1252 on the upper support plate 1251, stable support for the crankshaft blank is achieved, and the stability of the crankshaft blank during the transportation process is ensured.

[0086] Preferably, the lower support bracket 1152 and the upper support bracket 1252 both include a plate body 11521 and an arc-shaped groove 11522. The plate body 11521 is disposed on the lower support plate 1151 or the upper support plate 1251; the arc-shaped groove 11522 is disposed on the upper end of the plate body 11521; the arc-shaped groove 11522 has a front groove wall 115221 and a rear groove wall 115222; the upper end position of the front groove wall 115221 is higher than the upper end position of the rear groove wall 115222; the upper end position of the front groove wall 115221 and the upper end position of the rear groove wall 115222 are both rounded. By setting an arc-shaped groove 11522 on the plate body 11521 as the lower supporting bracket 1152 and the upper supporting bracket 1252, the arc-shaped groove 11522 is similar to a U-shaped structure, and the front groove wall 115221 of the arc-shaped groove 11522 is set higher than the rear groove wall 115222, which is beneficial to the stable transportation of the crankshaft blank on the arc-shaped groove 11522, and facilitates the support and pushing of the crankshaft blank to the end direction of the double-layer feeding and conveying device, and at the same time facilitates the clamping and conveying of the crankshaft blank by the crankshaft longitudinal clamping and transplanting device 2.

[0087] In order to enhance the stability of the cyclic rotation of the lower chain 1145 and the upper chain 1245 and to effectively guide and limit the lower chain 1145 and the upper chain 1245, the lower frame 111 is provided with a lower guide chain groove 116 for guiding the lower chain 1145; the upper frame 121 is provided with an upper guide chain groove 126 for guiding the upper chain 1245.

[0088] In this specific embodiment, the lower driving gear 1132 is located in front of the upper driving gear 1232; the lower driven gear 1133 is located behind the upper driven gear 1233. By setting the relative positions of the lower driving gear 1132 and the upper driving gear 1232, and the relative positions of the lower driven gear 1133 and the upper driven gear 1233, the overall length of the lower conveying line 11 is longer than the overall length of the upper conveying line 12, and the number of the lower bracket assemblies 115 can be set to be more than the number of the upper bracket assemblies 125. At the same time, by setting the lower conveying line 11 and the upper conveying line 12 in this way, it is more conducive to the clamping and conveying of the crankshaft blank by the crankshaft longitudinal clamping and transplanting device 2, and convenient for conveying the crankshaft blank.

[0089] In this specific embodiment, the crankshaft longitudinal clamping and transplanting device 2 includes a longitudinal frame 21, a longitudinal transplanting device 22, a vertical transplanting device 23, a crankshaft clamping assembly 24 and a transfer table 25. Among them, the longitudinal frame 21 is longitudinally arranged at the end of the double-layer loading and conveying device 1; the longitudinal transplanting device 22 is arranged at the upper end of the longitudinal frame 21; the vertical transplanting device 23 is arranged on the longitudinal transplanting device 22; the longitudinal transplanting device 22 drives the vertical transplanting device 23 to reciprocate along the direction from the beginning to the end of the longitudinal frame 21; the crankshaft clamping assembly 24 is connected to the vertical transplanting device 23; the vertical transplanting device 23 drives the crankshaft clamping assembly 24 to reciprocate in the up and down direction relative to the longitudinal frame 21; the transfer table 25 is installed at the end of the longitudinal frame 21 and is located below the crankshaft clamping assembly 24, and is used to temporarily store the crankshaft blank. By arranging a longitudinal transfer device 22, a vertical transfer device 23, a crankshaft clamping assembly 24 and a turntable 25 on the longitudinal frame 21, the longitudinal transfer device 22 and the vertical transfer device 23 are used to drive the crankshaft clamping assembly 24 to move forward and backward and up and down, and the position of the crankshaft clamping assembly 24 is adjusted, and the crankshaft blanks at the end of the lower conveyor line 11 and the end of the upper conveyor line 12 are automatically clamped to the turntable 25 or the crankshaft transverse transfer device 3. It is simple to clamp and transport the crankshaft blanks, and only needs to move up and down and forward and backward without rotation. The control method is simple and reliable, and the automation is high. At the same time, the turntable 25 can realize temporary caching of the crankshaft blanks. When there is a shortage of materials, the crankshaft blanks can be manually added at the turntable 25, and the longitudinal transfer device 22, the vertical transfer device 23, and the crankshaft clamping assembly 24 are adjusted to work, and the crankshaft blanks are clamped and conveyed to the crankshaft transverse transfer device 3, so that the crankshaft blanks can be operated continuously when they are used up, thereby improving production efficiency.

[0090] The longitudinal transplanting device 22 includes a longitudinal guide rail 221, a sliding mounting mechanism 222, a longitudinal transmission mechanism 223 and a longitudinal drive motor 224. The two longitudinal guide rails 221 are longitudinally arranged at the upper end of the longitudinal frame 21; the sliding mounting mechanism 222 is slidably connected to the two longitudinal guide rails 221 and reciprocates along the longitudinal guide rails 221 in the direction from the beginning to the end of the longitudinal frame 21; the vertical transplanting device 23 is arranged on the sliding mounting mechanism 222; the longitudinal transmission mechanism 223 is transmission-connected to the sliding mounting mechanism 222; the longitudinal drive motor 224 is arranged on the longitudinal transmission mechanism 223; and the output shaft of the longitudinal drive motor 224 is transmission-connected to the longitudinal transmission mechanism 223. The sliding mounting mechanism 222 includes a longitudinal mounting plate 2221, a guide plate 2222, a top pulley 2223 and a side pulley 2224. Among them, the longitudinal mounting plate 2221 is located between the two longitudinal guide rails 221; the vertical transplanting device 23 is arranged on the longitudinal mounting plate 2221; the two guide plates 2222 are installed on both sides of the longitudinal mounting plate 2221 and are located between the two longitudinal guide rails 221; the outer sides of the two guide plates 2222 are connected with the top pulley 2223 slidably connected to the top surface of the longitudinal guide rail 221; the two guide plates 2222 are connected with the side pulley 2224 slidably connected to the inner side of the longitudinal guide rail 221. The longitudinal driving motor 224 is used to drive the longitudinal transmission mechanism 223 to work, and the longitudinal transmission mechanism 223 drives the sliding mounting mechanism 222 to reciprocate along the longitudinal guide rail 221 in the direction from the beginning to the end of the longitudinal frame 21. Specifically, the top pulley 2223 and the side pulley 2224 are reciprocated along the longitudinal guide rail 221 in the direction from the beginning to the end of the longitudinal frame 21, driving the longitudinal mounting plate 2221 and the vertical transplanting device 23 on the longitudinal mounting plate 2221 to synchronously reciprocate along the longitudinal guide rail 221 in the direction from the beginning to the end of the longitudinal frame 21, and driving the crankshaft clamping assembly 24 to stably move in the direction from the beginning to the end of the longitudinal frame 21, that is, in the front and rear direction of the longitudinal frame 21, to realize the clamping and transportation of the crankshaft blank. The control method is simple, the movement is stable and reliable, the automation is high, and no manual operation is required.

[0091] Specifically, the longitudinal transmission mechanism 223 includes a fixing plate 2231 , a longitudinal transmission chain 2232 , a longitudinal reducer 2233 , a longitudinal transmission gear 2234 and a side roller 2235 . Among them, the fixed plate 2231 is located on the outer side of one of the longitudinal guide rails 221 and is connected to the guide plate 2222; the longitudinal drive motor 224 is connected to the fixed plate 2231; the longitudinal transmission chain 2232 is located on the top surface of one of the longitudinal guide rails 221; one end of the longitudinal transmission chain 2232 is connected to the starting end of one of the longitudinal guide rails 221, and the other end is connected to the end of the longitudinal guide rail 221; the longitudinal reducer 2233 is fixed on the fixed plate 2231 and is transmission-connected to the output shaft of the longitudinal drive motor 224; the longitudinal transmission gear 2234 is meshed and connected to the longitudinal transmission chain 2232 and is connected to the output shaft of the longitudinal reducer 2233; the side roller 2235 is connected to the fixed plate 2231 and is slidably connected to the outer side surface of one of the longitudinal guide rails 221. The longitudinal drive motor 224 is used to drive the longitudinal reducer 2233 and the longitudinal transmission gear 2234 to rotate, so that the longitudinal transmission gear 2234 can reciprocate along the length direction of the longitudinal transmission chain 2232, and the side rollers 2235 assist in supporting the movement on the outer side of one of the longitudinal guide rails 221, with good movement stability, driving the longitudinal drive motor 224, the fixed plate 2231 and the sliding mounting mechanism 222 to reciprocate along the longitudinal guide rail 221 in the direction from the beginning to the end of the longitudinal frame 21, and the crankshaft clamping assembly 24 can be adjusted to move stably in the front and rear directions of the longitudinal frame 21, with stable and reliable movement, stable and reliable clamping and transportation of crankshaft blanks, high automation, and no manual operation is required.

[0092] In this specific embodiment, the longitudinal mounting plate 2221 has a mounting opening 22211 ; the vertical transplanting device 23 includes a vertical mounting column 231 , a vertical guide rail 232 , a vertical slide seat 233 , vertical gears 235 234 and a vertical drive motor 236 . Among them, the vertical mounting column 231 passes through the mounting opening 22211 and is connected to the crankshaft clamping assembly 24; the vertical guide rails 232 passing through the mounting opening 22211 are provided on both sides of the vertical mounting column 231; each of the vertical guide rails 232 is slidably connected with a vertical slide seat 233 located on one side of the mounting opening 22211 and arranged on the longitudinal mounting plate 2221; the vertical gears 235 and 234 pass through the mounting opening 22211 and are connected to the vertical mounting column 231; the vertical gear 235 is meshed and connected with the vertical gears 235 and 234; the vertical drive motor 236 is arranged on the longitudinal mounting plate 2221; the output shaft of the vertical drive motor 236 is connected to the vertical gear 235; the vertical drive motor 236 drives the vertical gear 235 to rotate to drive the crankshaft clamping assembly 24 to reciprocate in the up and down directions relative to the longitudinal frame 21. The vertical drive motor 236 is utilized to drive the vertical gears 235 and 234 to rotate forward and reversely, so that the vertical gears 235 and 234 can reciprocate in the up and down directions of the longitudinal frame 21 relative to the mounting opening 22211, thereby driving the vertical mounting column 231, the vertical guide rail 232 and the crankshaft clamping assembly 24 to reciprocate in the up and down directions relative to the longitudinal frame 21. The crankshaft clamping assembly 24 can be adjusted to move stably in the up and down directions of the longitudinal frame 21, the movement is stable and reliable, the clamping and transportation of the crankshaft blank is stable and reliable, the automation is high, and no manual operation is required.

[0093] In order to automatically clamp the crankshaft blank, the crankshaft clamping assembly 24 includes a clamping electric cylinder 241 connected to the vertical transfer device 23 and a clamping claw 242 connected to the clamping electric cylinder 241; the clamping electric cylinder 241 drives the clamping claw 242 to open or close to grab or put down the crankshaft blank.

[0094] In this specific embodiment, the transfer table 25 includes a fixed bracket 251 and a temporary storage bracket assembly 252. The fixed bracket 251 is installed on the end of the longitudinal frame 21 and is located below the crankshaft clamping assembly 24; a plurality of temporary storage bracket assemblies 252 are evenly arranged on the fixed bracket 251 along the direction from the beginning to the end of the longitudinal frame 21. By arranging a plurality of temporary storage bracket assemblies 252 on the fixed bracket 251, a plurality of crankshaft blanks can be stably supported, and temporary caching of crankshaft blanks can be achieved. When there is a shortage of materials, crankshaft blanks can be manually added to the temporary storage bracket assembly 252, and the longitudinal transfer device 22, the vertical transfer device 23, and the crankshaft clamping assembly 24 can be adjusted to work, and the crankshaft blanks can be clamped and transported to the crankshaft transverse transfer device 3, so as to ensure that the line can be operated without stopping when the crankshaft blanks are used up, thereby improving production efficiency.

[0095] The temporary storage bracket assembly 252 has the same structure as the lower support bracket 1152, and also includes a plate 11521 and an arc-shaped groove 11522. The arc-shaped groove 11522 is similar to a V-shaped structure or a U-shaped structure, which is conducive to the stable support of the crankshaft blank on the arc-shaped groove 11522.

[0096] The starting end of the longitudinal guide rail 221 is the same as the starting end of the longitudinal frame 21; the end of the double-layer loading and conveying device 1 is located in the longitudinal frame 21; the distance from the starting end of the longitudinal guide rail 221 to the end of the double-layer loading and conveying device 1 is greater than or equal to half the length of the longitudinal guide rail 221. The distance from the starting end of the longitudinal guide rail 221 to the end of the double-layer loading and conveying device 1 specifically refers to the distance from the starting end of the longitudinal guide rail 221 to the end of the lower conveying line 11. By setting the position of the crankshaft longitudinal clamping and transplanting device 2 at the end of the double-layer loading and conveying device 1, it is convenient to use the crankshaft longitudinal clamping and transplanting device 2 to clamp the crankshaft blank and move it longitudinally to the end of the crankshaft longitudinal clamping and transplanting device 2. At the same time, the end space of the double-layer loading and conveying device 1 is fully utilized, so that the overall structure of the double-layer loading and conveying device used for crankshaft multi-type processing is more compact and occupies less space.

[0097] In this specific embodiment, the crankshaft transverse transplanting device 3 includes a transverse frame 31, a transverse moving device 32 arranged on the transverse frame 31, and a loading support adjusting device 33 slidably connected to the transverse moving device 32. The transverse frame 31 is transversely arranged on one side of the end of the crankshaft longitudinal clamping and transplanting device; the transverse moving device 32 drives the loading support adjusting device 33 to reciprocate along the direction from the beginning to the end of the transverse frame 31; the loading support adjusting device 33 includes a loading mounting bracket 331, a fixed support assembly 332, a movable support assembly 333, and a loading pushing assembly 334. The loading mounting bracket 331 is slidably connected to the transverse moving device 32; the transverse moving device 32 can drive the loading mounting bracket 331 to reciprocate along the direction from the beginning to the end of the transverse frame 31. The fixed support assembly 332 is installed on one end of the loading and mounting bracket 331; the movable support assembly 333 is slidably connected to the end away from the loading and mounting bracket 331 relative to the position of the fixed support assembly 332 and moves back and forth relative to the fixed support assembly 332, and is used to support the crankshaft blank together with the fixed support assembly 332; the loading pushing assembly 334 is arranged on the loading and mounting bracket 331 and is connected to the movable support assembly 333 and pushes the movable support assembly 333 to move back and forth relative to the fixed support assembly 332.

[0098] The loading and mounting bracket 331 is slidably connected to the transverse moving device 32, and a fixed supporting assembly 332, a mobile supporting assembly 333 and a loading pushing assembly 334 are arranged on the loading and mounting bracket 331. The mobile supporting assembly 333 is pushed by the loading pushing assembly 334 to move back and forth relative to the fixed supporting assembly 332, and the position between the mobile supporting assembly 333 and the fixed supporting assembly 332 is adjusted. Then, the transverse moving device 32 is used to drive the loading supporting adjustment device 33 to reciprocate along the direction from the beginning to the end of the transverse frame 31 as a whole, so as to adapt to the supporting of different types of crankshaft blanks, complete the transverse conveying of the crankshaft blanks, and realize the automatic control of the entire conveying process. It is convenient and practical, and has the characteristics of high automation and high conveying efficiency.

[0099] Specifically, the loading push assembly 334 comprises a loading slide rail 3341, a loading mounting seat 3342 and a loading pusher 3343. The loading slide rail 3341 is connected to an end away from the loading mounting bracket 331 relative to the position of the fixed supporting assembly 332; the loading mounting seat 3342 is slidably connected to the loading slide rail 3341 and connected to the mobile supporting assembly 333; the loading pusher 3343 is arranged on the loading mounting bracket 331 and is located on one side of the loading slide rail 3341, and is connected to the loading mounting seat 3342, pushing the mobile supporting assembly 333 to move reciprocatingly closer to or away from the fixed supporting assembly 332 on the loading slide rail 3341. The loading pusher 3343 is preferably a cylinder, and of course, it can also be replaced by a hydraulic cylinder or an electric cylinder. The loading pusher 3343 can be used to push the loading mounting seat 3342 on the loading slide rail 3341 to move back and forth towards or away from the fixed support assembly 332, thereby pushing the movable support assembly 333 on the loading slide rail 3341 to move back and forth towards or away from the fixed support assembly 332. This is suitable for supporting different types of crankshaft blanks, helps to complete the lateral conveying of crankshaft blanks, and realizes automated control of the entire conveying process. It is convenient and practical, and has the characteristics of high automation and high conveying efficiency.

[0100] The fixed support assembly 332 includes a fixed mounting plate 3321 and a fixed placement wheel 3322. The fixed mounting plate 3321 is mounted on one end of the loading mounting bracket 331; the two fixed placement wheels 3322 are horizontally connected side by side to the upper end of the fixed mounting plate 3321; the mobile support assembly 333 includes a mobile mounting plate 3331 and a mobile placement wheel 3332; the mobile mounting plate 3331 is connected to the loading mounting seat 3342 at a position relative to the fixed mounting plate 3321; the two mobile placement wheels 3332 are located side by side at the upper end of the mobile mounting plate 3331 at a position relative to the two fixed placement wheels 3322. The crankshaft transverse transfer device 3 also includes an adjustment motor 34 mounted on the loading mounting seat 3342; the output shaft of the adjustment motor 34 passes through the mobile mounting plate 3331 and is in transmission connection with one of the mobile placement wheels 3332. Two fixed placement wheels 3322 are arranged on the fixed mounting plate 3321, and two movable placement wheels 3332 are arranged on the movable mounting plate 3331, forming a stable support structure, which can provide a stable support for the crankshaft blank; at the same time, the fixed placement wheels 3322 and the movable placement wheels 3332 have smooth surfaces, which provide a good protection for the crankshaft blank and avoid scratching the crankshaft blank during the support process. The fixed placement wheels 3322 and the movable placement wheels 3332 can rotate. Under the drive of the adjustment motor 34, the movable placement wheel 3332 connected to the output shaft of the adjustment motor 34 will rotate first, so that the crankshaft blank can be quickly transported to the next station under the rolling of the two fixed placement wheels 3322 and the two movable placement wheels 3332, which is convenient and fast.

[0101] In order to better support the crankshaft blank and facilitate the rapid delivery of the crankshaft blank to the next station, a tightening pulley 35 located below the fixed placement wheel 3322 and used to tighten the bottom end of the crankshaft blank is provided on the fixed mounting plate 3321. By providing the tightening pulley 35, it is convenient to play a good supporting role for the crankshaft blank, and at the same time, when the crankshaft blank is moved out to the next station, it plays a good auxiliary rolling role.

[0102] The lateral moving device 32 is arranged on the lateral frame 31; the loading support adjusting device 33 is connected to the lateral moving device 32 and is used to load and clamp the crankshaft blank; the lateral moving device 32 drives the loading support adjusting device 33 to reciprocate along the direction from the beginning to the end of the lateral frame 31. The lateral moving device 32 includes a lateral mounting cylinder 321, a lateral guide rail 322, a lateral moving slide 323, a lateral transmission mechanism 324 and a lateral driving motor 325. Among them, the transverse mounting cylinder 321 is transversely arranged on the upper end of the transverse frame 31; the transverse mounting cylinder 321 is in the shape of a square column, and the transverse guide rail 322 is transversely arranged on the transverse mounting cylinder 321; the transverse movable slide 323 is slidably connected to the transverse guide rail 322 and can slide back and forth on the transverse guide rail 322; the loading support adjustment device 33 is connected to the transverse movable slide 323; the transverse transmission mechanism 324 is arranged from the beginning to the end of the transverse mounting cylinder 321 and is transmission-connected to the transverse movable slide 323; the transverse drive motor 325 is arranged at one end of the transverse mounting cylinder 321 and is connected to the transverse transmission mechanism 324; the transverse drive motor 325 drives the transverse movable slide 323 to slide back and forth on the transverse guide rail 322 through the transverse transmission mechanism 324. By installing the transverse guide rail 322, the transverse movable slide 323, the transverse transmission mechanism 324 and the transverse drive motor 325 on the transverse mounting cylinder 321, the overall structure of the crankshaft transverse transfer device 3 is made more compact and occupies less space. The transverse drive motor 325 drives the transverse transmission mechanism 324 to work, and transmits the transverse movable slide 323, so that the transverse movable slide 323 automatically slides back and forth on the transverse guide rail 322, that is, reciprocates from the beginning to the end of the transverse frame 31, and then the loading support adjustment device 33 reciprocates along the beginning to the end of the transverse frame 31, completing the transverse conveying of the crankshaft blank, realizing the automatic control of the entire conveying process, and having the characteristics of high automation and high conveying efficiency.

[0103] Specifically, the transverse transmission mechanism 324 includes a transverse main sprocket 3241, a transverse sub-sprocket 3242 and a transverse chain 3243. The transverse main sprocket 3241 is rotatably connected to one end of the transverse mounting cylinder 321 and is connected to the output shaft of the transverse drive motor 325; the transverse sub-sprocket 3242 is rotatably connected to the other end of the transverse mounting cylinder 321; the transverse main sprocket 3241 and the transverse sub-sprocket 3242 are transmission-connected through the transverse chain 3243; one end of the transverse chain 3243 passes through the inner cavity of the transverse mounting cylinder 321, and is connected to the other end of the transverse chain 3243 through the top end surface of the transverse mounting cylinder 321; the transverse movable slide 323 is connected to the transverse chain 3243. The lateral driving motor 325 is used to drive the lateral main sprocket 3241, the lateral secondary sprocket 3242 and the lateral chain 3243, so that the lateral chain 3243 repeatedly rotates on the top surface and the inner cavity of the lateral mounting cylinder 321, and then the opposite moving slide is driven, so that the lateral moving slide 323 automatically slides back and forth on the lateral guide rail 322, that is, it reciprocates from the beginning to the end of the lateral frame 31, and then the loading support adjustment device 33 reciprocates along the beginning to the end of the lateral frame 31, completing the lateral transportation of the crankshaft blank, realizing the automatic control of the entire transportation process, and having the characteristics of high automation and high transportation efficiency. At the same time, the lateral chain 3243 is set to repeatedly rotate on the top surface and the inner cavity of the lateral mounting cylinder 321, which is more conducive to the overall structure of the crankshaft lateral transplanting device 3 being more compact and occupying less space.

[0104] Preferably, the transverse frame 31 includes a lower transverse support rod 311, an upper transverse support rod 312 and a vertical connecting rod 313; the lower transverse support rod 311 and the upper transverse support rod 312 are arranged in parallel; and a plurality of vertical connecting rods 313 are evenly distributed between the lower transverse support rod 311 and the upper transverse support rod 312. By combining the transverse frame 31 formed by the lower transverse support rod 311, the upper transverse support rod 312 and the vertical connecting rod 313 with the transverse mounting cylinder 321, the installation space of the transverse moving device 32 and the loading support adjusting device 33 is limited, so that the overall structure of the crankshaft transverse transplanting device 3 is more compact and occupies less space.

[0105] The double-layer loading and conveying device for crankshaft multi-machine processing also includes a control system 4, a sensor arranged on the double-layer loading and conveying device 1, the crankshaft longitudinal clamping and transplanting device 2 and the crankshaft transverse transplanting device 3 and electrically connected to the control system 4, and a control button for opening or closing the double-layer loading and conveying device 1, the crankshaft longitudinal clamping and transplanting device 2 and the crankshaft transverse transplanting device 3. The control system 4 can be a PLC control system. By setting a corresponding program on the control system 4 and according to the information fed back by the sensors on each station, the control system 4 controls the double-layer loading and conveying device 1, the crankshaft longitudinal clamping and transplanting device 2 and the crankshaft transverse transplanting device 3 to work accordingly, complete the double-layer conveying, longitudinal conveying and transverse conveying of the crankshaft blank, realize the automatic control of the entire conveying process, and has the characteristics of high automation and high conveying efficiency. Specifically, the control system 4 is electrically connected to the lower motor 1131, the upper motor 1231, the longitudinal drive motor 224, the vertical drive motor 236, the transverse drive motor 325, and the adjustment motor 34 respectively.

[0106] In summary, the embodiment of the present invention provides a double-layer loading and conveying device for machining multiple types of crankshafts, wherein the double-layer loading and conveying device for machining multiple types of crankshafts is composed of a double-layer loading and conveying device 1, a crankshaft longitudinal clamping and transplanting device 2, and a crankshaft transverse transplanting device 3. The crankshaft longitudinal clamping and transplanting device 2 and the crankshaft transverse transplanting device 3 are arranged at the end of the double-layer loading and conveying device in the transverse and longitudinal directions to fully utilize the end space of the double-layer loading and conveying device 1. When in use, the lower conveying line 11 and the upper conveying line 12 of the double-layer loading and conveying device are first used to realize double-layer conveying of crankshaft blanks, and then the crankshaft longitudinal clamping and transplanting device 2 is used to transfer the crankshaft blanks to the double-layer loading and conveying device. The transfer device 2 clamps the crankshaft blanks on the end of the lower conveyor line 11 and the end of the upper conveyor line 12 and moves them longitudinally toward the end of the crankshaft longitudinal clamping and transferring device 2, and then utilizes the crankshaft transverse transferring device 3 to laterally transfer the crankshaft blanks on the end of the crankshaft longitudinal clamping and transferring device 2 to the end of the crankshaft transverse transferring device 3 to reach the next workstation, thereby realizing the transverse and longitudinal transportation of the crankshaft blanks, thereby making the overall structure of the double-layer loading and conveying device for processing multiple types of crankshafts more compact and occupying less space, realizing automatic control of the entire conveying process, having the characteristics of high automation and high conveying efficiency, and being suitable for processing multiple types of crankshafts.

[0107] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present application. These improvements and substitutions should also be regarded as the scope of protection of the present application.

Claims

1. A double-layer feeding and conveying device for machining multiple types of crankshafts, characterized in that: include: A double-layer loading and conveying device, comprising a lower conveying line and an upper conveying line located above the lower conveying line; The end of the lower conveyor line is located behind the end of the upper conveyor line to convey the crankshaft blanks located behind the end of the upper conveyor line; A crankshaft longitudinal clamping and transplanting device, which is longitudinally arranged at the end of the double-layer loading and conveying device, and is used to clamp the crankshaft blank and move it longitudinally toward the end of the crankshaft longitudinal clamping and transplanting device; A crankshaft transverse transfer device, which is transversely arranged at the end of the crankshaft longitudinal clamping and transfer device, and is used to transfer the crankshaft blank on the end of the crankshaft longitudinal clamping and transfer device to the end of the crankshaft transverse transfer device; The lower conveying line comprises: Lower rack, A lower layer blank input port, which is arranged at the beginning of the lower layer frame; A lower driving device, which is arranged at the beginning of the lower frame; A lower transmission mechanism is arranged from the beginning to the end of the lower frame and is in transmission connection with the lower drive device; A lower bracket assembly; a plurality of the lower bracket assemblies are arranged at intervals on the lower transmission mechanism; the lower driving device drives the plurality of the lower bracket assemblies to cyclically move from the beginning to the end of the lower frame through the lower transmission mechanism; The upper conveyor line comprises: An upper rack, which is arranged on the lower rack; An upper blank input port, which is arranged at the beginning of the upper frame; An upper driving device, which is arranged at the beginning of the upper frame; An upper transmission mechanism is arranged from the beginning to the end of the upper frame and is transmission-connected to the upper drive device; An upper bracket assembly; a plurality of the upper bracket assemblies are arranged at intervals on the upper transmission mechanism; the upper driving device drives the plurality of the upper bracket assemblies to cyclically move from the beginning to the end of the upper frame through the upper transmission mechanism.

2. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 1 is characterized in that: The lower driving device comprises a lower motor, a lower driving gear, a lower driven gear, a lower gear chain and a lower pre-tightening gear assembly; the lower motor is arranged at the beginning of the lower frame; the output shaft of the lower motor is connected with the lower driving gear; the lower driven gear is transmission-connected with the lower transmission mechanism; the lower driving gear is transmission-connected with the lower driven gear through the lower gear chain; the lower pre-tightening gear assembly is arranged on the lower frame and transmission-connected with the lower gear chain; The upper driving device comprises an upper motor, an upper driving gear, an upper driven gear, an upper gear chain and an upper pre-tightening gear assembly; the upper motor is arranged at the beginning of the upper frame; the output shaft of the upper motor is connected with the upper driving gear; the upper driven gear is transmission-connected with the upper transmission mechanism; the upper driving gear is transmission-connected with the upper driven gear through the upper gear chain; the upper pre-tightening gear assembly is arranged on the upper frame and transmission-connected with the upper gear chain; The lower transmission mechanism comprises a lower main rotating shaft, a lower auxiliary rotating shaft, a lower main sprocket, a lower auxiliary sprocket and a lower chain; The lower main rotating shaft is rotatably connected to the starting end of the lower frame and is located behind the lower blank input port and is transmission-connected to the lower driving device; both ends of the lower main rotating shaft are provided with the lower main sprocket; The lower auxiliary rotating shaft is rotatably connected to the end of the lower frame; both ends of the lower auxiliary rotating shaft are provided with the lower auxiliary sprockets; each of the lower main sprockets and the corresponding lower auxiliary sprockets are connected in driving cooperation via a lower chain; A plurality of the lower layer bracket assemblies are arranged at intervals between the two lower layer chains and can cyclically move from the beginning to the end of the lower layer frame synchronously with the lower layer chains; The upper transmission mechanism comprises an upper main rotating shaft, an upper auxiliary rotating shaft, an upper main sprocket, an upper auxiliary sprocket and an upper chain; The upper main rotating shaft is rotatably connected to the starting end of the upper frame and is located behind the upper blank input port and is transmission-connected to the upper driving device; both ends of the upper main rotating shaft are provided with the upper main sprocket; The upper auxiliary rotating shaft is rotatably connected to the end of the upper frame; both ends of the upper auxiliary rotating shaft are provided with the upper auxiliary sprocket; each of the upper main sprockets and the corresponding upper auxiliary sprocket are connected in transmission through an upper chain; A plurality of upper bracket assemblies are arranged at intervals between the two upper chains and can cyclically move from the beginning to the end of the upper frame synchronously with the upper chains.

3. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 2 is characterized in that: The lower bracket assembly comprises a lower bracket and a lower bracket support; the lower bracket is connected between the two lower chains; at least two lower bracket support brackets are vertically distributed on the lower bracket along the length direction of the lower bracket; The upper bracket assembly includes an upper bracket and an upper support bracket; the upper bracket is connected between the two upper chains; at least two upper support brackets are vertically distributed on the upper bracket along the length direction of the upper bracket.

4. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 2 is characterized in that: The lower driving gear is located in front of the upper driving gear; and the lower driven gear is located behind the upper driven gear.

5. The double-layer feeding and conveying device for machining multiple types of crankshafts according to any one of claims 1 to 4, characterized in that: The crankshaft longitudinal clamping and transplanting device comprises: A longitudinal frame, which is longitudinally arranged at the end of the double-layer loading and conveying device; A longitudinal transplanting device, which is arranged at the upper end of the longitudinal frame; A vertical transplanting device, which is arranged on the longitudinal transplanting device; the longitudinal transplanting device drives the vertical transplanting device to reciprocate along the direction from the beginning to the end of the longitudinal frame; A crankshaft clamping assembly connected to the vertical transplanting device; the vertical transplanting device drives the crankshaft clamping assembly to reciprocate in the up and down directions relative to the longitudinal frame; A transfer table is installed on the end of the longitudinal frame and is located below the crankshaft clamping assembly, and is used for temporarily storing the crankshaft blank.

6. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 5 is characterized in that: The longitudinal transplanting device comprises: Longitudinal guide rails, two of which are longitudinally arranged at the upper end of the longitudinal frame; A sliding mounting mechanism, which is slidably connected to the two longitudinal guide rails and reciprocates along the longitudinal guide rails in the direction from the beginning to the end of the longitudinal frame; the vertical transplanting device is arranged on the sliding mounting mechanism; A longitudinal transmission mechanism, which is transmission-connected to the sliding installation mechanism; A longitudinal drive motor is arranged on the longitudinal transmission mechanism; an output shaft of the longitudinal drive motor is transmission-connected to the longitudinal transmission mechanism.

7. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 6 is characterized in that: The starting end of the longitudinal guide rail is the same as the starting end of the longitudinal frame; the end of the double-layer loading and conveying device is located in the longitudinal frame; the distance from the starting end of the longitudinal guide rail to the end of the double-layer loading and conveying device is greater than or equal to half the length of the longitudinal guide rail.

8. The double-layer feeding and conveying device for machining multiple types of crankshafts according to any one of claims 1 to 4, characterized in that: The crankshaft transverse transfer device comprises a transverse frame, a transverse moving device arranged on the transverse frame, and a load support adjusting device slidably connected to the transverse moving device; the transverse moving device drives the load support adjusting device to reciprocate along the direction from the beginning to the end of the transverse frame; The loading support adjustment device comprises: a loading and mounting bracket slidably connected to the lateral moving device; A fixed support assembly, which is mounted on one end of the loading and mounting bracket; A movable support assembly is slidably connected to an end away from the loading and mounting bracket relative to the fixed support assembly and reciprocatingly moves closer to or away from the fixed support assembly, and is used to support the crankshaft blank together with the fixed support assembly; The loading pushing assembly is arranged on the loading mounting bracket and connected to the movable supporting assembly and pushes the movable supporting assembly to move reciprocatingly closer to or farther from the fixed supporting assembly.

9. The double-layer feeding and conveying device for crankshaft multi-type machining according to claim 8, characterized in that: The loading and pushing component: A loading slide rail, which is connected to an end away from the loading mounting bracket relative to the fixed support assembly; A loading mounting seat, which is slidably connected to the loading slide rail and connected to the movable support assembly; A loading pusher, which is arranged on the loading mounting bracket and located on one side of the loading slide rail, and is connected to the loading mounting seat, and pushes the movable support assembly to move reciprocatingly closer to or farther from the fixed support assembly on the loading slide rail; The fixed support assembly comprises: a fixed mounting plate mounted on one end of the loading mounting bracket; Fixed placement wheel; two fixed placement wheels are horizontally connected side by side to the upper end of the fixed mounting plate; The mobile support assembly comprises: A movable mounting plate, which is connected to the loading mounting seat at a position relative to the fixed mounting plate; Movable placement wheel; the two movable placement wheels are located side by side on the upper end of the movable mounting plate relative to the positions of the two fixed placement wheels.

Images