Press fitting machine for motorcycle engine box body

Abstract

The invention discloses a motorcycle engine box press-fitting machine. The motorcycle engine box press-fitting machine comprises a main rack, a left box press-fitting device and a right box press-fitting device, wherein the left box press-fitting device and the right box press-fitting device are installed in the main rack. The left box body press-fitting device comprises a left auxiliary rack; a left box tool is arranged on the left auxiliary rack, a left press fitting station is formed on the left box tool, a left press fitting driving assembly and a left pressing head assembly are arranged on the top of the left box tool, a first oil seal tool, a first bearing tool and a first bearing bush tool are arranged on the left pressing head assembly, and a left base assembly is arranged at the bottom of the left pressing head assembly. A second bearing tool and a second bearing bush tool are arranged on the left base assembly; the right box body press-fitting device comprises a right auxiliary rack; a right box tool is arranged on the right auxiliary rack, a right press fitting station is formed on the right box tool, a right press fitting driving assembly and a right pressing head assembly are arranged at the top of the right box tool, and a right base assembly is arranged at the bottom of the right box tool. The press-fitting device can complete press-fitting of the motorcycle engine left and right boxes at a time, is simple and efficient, and adapts to rapid operation of an engine assembly line.

Description

Technical Field

[0001] The invention relates to the technical field of press-fitting machinery, in particular to a motorcycle engine case press-fitting machine. Background Art

[0002] With the widespread popularity of motorcycles, the demand for motorcycle engines is increasing. In order to adapt to the large-scale and efficient production and assembly of engines, the use of engine assembly lines for motorcycle engine assembly has gradually replaced the previous decentralized assembly method.

[0003] In the production and assembly of motorcycle engines, interference fit parts such as bearings, oil seals, and bushings need to be press-fitted onto the left and right housings respectively. Currently, these parts are press-fitted using multiple simple press-fitting devices in separate steps. The assembly process is cumbersome, the operation speed is slow, and the assembly efficiency is extremely low, which cannot adapt to the rapid operation of the engine assembly line. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a motorcycle engine case press machine, which can complete the press assembly of the left and right cases of the motorcycle engine at one time, is simple and efficient, and adapts to the rapid operation of the engine assembly line.

[0005] The present invention aims to provide a motorcycle engine case press-fitting machine, comprising a main frame, a left case press-fitting device and a right case press-fitting device;

[0006] A left installation cavity and a right installation cavity are formed inside the main frame;

[0007] The left box press-fitting device is arranged in the left installation cavity; the left box press-fitting device comprises a left auxiliary frame; the left auxiliary frame is provided with a left box tooling, and a left press-fitting station is formed on the left box tooling; a left press-fitting drive assembly and a left pressure head assembly are arranged on the top of the left press-fitting station, the left press-fitting drive assembly is transmission-connected with the left pressure head assembly, and a first oil seal tooling, a first bearing tooling and a first bushing tooling are arranged on the left pressure head assembly; a left base assembly is arranged at the bottom of the left press-fitting station, and a second bearing tooling and a second bushing tooling are arranged on the left base assembly;

[0008] The right box press-fitting device is arranged in the right installation cavity; the right box press-fitting device includes a right auxiliary frame; the right auxiliary frame is provided with a right box tooling, and a right press-fitting station is formed on the right box tooling; the top of the right press-fitting station is provided with a right press-fitting drive assembly and a right pressure head assembly, and the right press-fitting drive assembly is transmission-connected with the right pressure head assembly; the bottom of the right press-fitting station is provided with a right base assembly.

[0009] As a preferred embodiment, the left sub-frame includes a left base, a left top seat and support columns. The left top seat is fixed above the left base through the support columns around it; a left fixing plate is provided on the left base, and four guide columns are vertically arranged around the left fixing plate, and the tops of the guide columns on the same side are connected by a fixing beam;

[0010] The left sub-frame includes a left pressing plate, and the four sides of the left pressing plate are respectively slidably connected to the four guide columns; the left box fixture includes a left positioning plate, and the four sides of the left positioning plate are respectively slidably connected to the four guide columns; the left base assembly is detachably connected to the left fixing plate; the left press-fitting driving assembly has a fixed end and a telescopic end, the fixed end of the left press-fitting driving assembly is connected to the left top seat, and the telescopic end of the left press-fitting driving assembly is connected to the left pressing plate.

[0011] As a preferred embodiment, the left sub-frame further includes a hovering assembly, which includes a connecting plate, a clamping plate and a locking telescopic member. The locking telescopic member is fixed below the left top seat through the connecting plate, the clamping plate is fixed to the edge of the left pressing plate, and a locking hole is formed on the clamping plate; by clamping the locking telescopic member into the locking hole, the left pressing plate is hovered at a preset height;

[0012] The left sub-frame further includes a jacking driving member, which has a fixed end and a telescopic end. The fixed end of the jacking driving member is connected to the left fixing plate, and the telescopic end of the jacking driving member is connected to the left positioning plate. The left positioning plate is driven to translate in the height direction by the jacking driving member;

[0013] The left sub-frame further includes a jacking limit assembly including a first limit top column, a first limit bottom column, a second limit bottom column, a slide table body and a slide table driving member; the first limit top column is fixed to the bottom surface of the left positioning plate, the slide table body is connected to the left fixing plate through a slider guide rail mechanism, the first limit bottom column and the second limit bottom column are sequentially fixed to the top of the slide table body along the sliding direction of the slide table body, and the slide table driving member is in transmission connection with the slide table; by driving the slide table body to slide by the slide table driving member, the first limit bottom column or the second limit bottom column is abutted against the first limit top column to limit the left positioning plate at the first height or the second height.

[0014] As a preferred embodiment, a through groove is formed on the left positioning plate, and the positions of the through groove correspond to the left pressing head assembly and the left base assembly in the vertical direction; a first positioning block, a second positioning block and a plurality of positioning pins are circumferentially arranged on the through groove.

[0015] As a preferred embodiment, it further includes an inclined plug pressing assembly, and the inclined plug pressing assembly includes an inclined frame, an inclined sliding table, an inclined plug driving member and a plug tooling; the inclined frame is fixed to the top surface of the left positioning plate, the inclined sliding table is connected to the inclined frame through a guide rail slider mechanism, and the sliding direction of the inclined sliding table is arranged at an angle with the top surface of the left positioning plate; the plug tooling is arranged on the inclined sliding table, the inclined plug driving member has a fixed end and a telescopic end, the fixed end of the inclined plug driving member is connected to the inclined frame, and the telescopic end of the inclined plug driving member is connected to the plug tooling.

[0016] As a preferred embodiment, a left sliding seat, a sliding seat driving member and a support plate are arranged at the bottom of the left pressing plate; the left sliding seat is connected to the left pressing plate through a guide rail slider mechanism, so that the left sliding seat can slide horizontally relative to the left pressing plate, and the sliding seat driving member is in transmission connection with the left sliding seat; the top of the support plate is fixedly connected to the left pressing plate, and the bottom abuts against the left sliding seat; the left pressing head assembly is arranged at the bottom of the left sliding seat; a left feeding assembly is further arranged at the bottom of the left sliding seat; the left feeding assembly or the left pressing head assembly is driven by the sliding seat driving member to be translated above the left pressing station;

[0017] A third limit bottom post is arranged at the top of the left positioning plate, and a second limit top post and a third limit top post are arranged at the bottom of the left sliding seat; when the left pressing head assembly is translated above the left pressing station, the third limit bottom post is used for abutting against the second limit top post, and when the left feeding assembly is translated above the left pressing station, the third limit bottom post is used for abutting against the third limit top post.

[0018] As a preferred embodiment, the first oil seal tooling includes an oil seal column, an oil seal elastic member and an oil seal claw clip; the top of the oil seal column is connected to the left sliding seat, and the bottom is connected to the oil seal claw clip, and the oil seal elastic member is arranged between the oil seal column and the oil seal claw clip; an oil seal installation channel is formed in the oil seal claw clip, one end of the oil seal installation channel is sleeved on the circumference of the oil seal column, and the other end forms a receiving groove, and a plurality of telescopic claw clips are circumferentially arranged through the receiving groove; the oil seal is clamped in the receiving groove through the telescopic claw clips, the oil seal is pushed out of the receiving groove through the oil seal column, and the oil seal elastic member provides an elastic force for the reset of the oil seal claw clip;

[0019] The first oil seal tooling further includes an oil seal in-place sensor and an oil seal push-out sensor; the oil seal in-place sensor is arranged on the oil seal claw clip for obtaining information on whether the oil seal is in place, and the oil seal push-out sensor is fixed to the oil seal column through a mounting plate for obtaining information on whether the oil seal is pushed out.

[0020] As a preferred embodiment, the top of the oil seal column is connected to the left sliding seat through a slider guide rail mechanism, and a slider driving member is further arranged at the bottom of the left sliding seat, and the slider driving member is in transmission connection with the oil seal column, and the oil seal column is driven to translate relative to the left sliding seat through the pressing block driving member.

[0021] As a preferred embodiment, the left base assembly includes a mounting seat, which is detachably connected to the left fixing plate; several supporting seats are fixed on the mounting seat, and the second bearing tooling and the second bearing bush tooling are respectively arranged on the supporting seats; several supporting rods are also arranged on the supporting seats, and the supporting rods are used to abut against the inner wall of the right crankcase.

[0022] As a preferred embodiment, a third oil seal tooling, a third bearing tooling and a third bearing bush tooling are arranged on the right punch assembly, and a fourth bearing tooling and a fourth bearing bush tooling are arranged on the right base assembly;

[0023] A right fixing plate is arranged at the bottom of the right sub-frame, and a right positioning plate and a right pressing plate are sequentially slidably connected to the right fixing plate; the right base assembly is detachably connected to the right fixing plate; a right sliding seat is slidably connected to the bottom of the right pressing plate, the right punch assembly is arranged at the bottom of the right sliding seat, and a right loading component is also arranged at the bottom of the right sliding seat; the right punch assembly further includes several buffer pressing rods, and the buffer pressing rods correspond to the fastening hole positions at the edge of the right crankcase.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] The motorcycle engine cylinder block press of the present invention provides an installation basis for the left cylinder block pressing device and the right cylinder block pressing device through the main frame. The left cylinder block pressing device is used to press each component of the left crankcase, and the right cylinder block pressing device is used to press each component of the right crankcase; the left crankcase is fixed at the left pressing station through the left cylinder block tooling, and power is provided by the left pressing drive assembly, so that both the left punch assembly and the left base assembly approach in the direction of the left pressing station, and the components such as oil seals, bearings, and bearing bushes loaded on the first oil seal tooling, the first bearing tooling and the first bearing bush tooling are pressed to the corresponding positions on the outer side of the left crankcase, and the components such as oil seals and bearings loaded on the second bearing tooling and the second bearing bush tooling are pressed to the corresponding positions on the inner side of the left crankcase; the right crankcase is fixed at the right pressing station through the right cylinder block tooling, and power is provided by the right pressing drive assembly, so that both the right punch assembly and the right base assembly approach in the direction of the right pressing station, and the components loaded on the right punch assembly and the right base assembly are pressed to the corresponding positions of the right crankcase, realizing the pressing of the left and right boxes of the motorcycle engine at one time, which is simple and efficient and adapts to the rapid operation of the engine assembly line. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the motorcycle engine cylinder block press of the present invention;

[0027] Figure 2 is a schematic structural diagram of the main frame of the motorcycle engine cylinder block press of the present invention;

[0028] Figure 3 Schematic structural diagram of the left housing pressing device of the motorcycle engine housing press of the present invention;

[0029] Figure 4 Front view of the left housing pressing device of the motorcycle engine housing press of the present invention;

[0030] Figure 5 Schematic structural diagram of the left sub-frame and the left pressing drive assembly of the left housing pressing device of the motorcycle engine housing press of the present invention;

[0031] Figure 6 Schematic structural diagram of the left sub-frame of the left housing pressing device of the motorcycle engine housing press of the present invention;

[0032] Figure 7 Schematic structural diagram of the bottom of the left sliding seat of the motorcycle engine housing press of the present invention;

[0033] Figure 8 Front view of the bottom of the left sliding seat of the motorcycle engine housing press of the present invention;

[0034] Figure 9 Schematic structural diagram of the inclined plug pressing assembly of the motorcycle engine housing press of the present invention;

[0035] Figure 10 Schematic structural diagram of the left base assembly of the motorcycle engine housing press of the present invention;

[0036] Figure 11 Schematic structural diagram of the right housing pressing device of the motorcycle engine housing press of the present invention;

[0037] Figure 12 Schematic structural diagram of the bottom of the right sliding seat of the motorcycle engine housing press of the present invention;

[0038] Figure 13 Schematic structural diagram of the right base assembly of the motorcycle engine housing press of the present invention.

[0039] In the figure: 10, main frame; 11, left mounting cavity; 12, right mounting cavity; 20, left box body pressing device; 21, left sub-frame; 211, left base; 212, left top seat; 213, support column; 214, left fixing plate; 215, guide post; 216, fixed beam; 217, left pressing plate; 2171, left sliding seat; 2172, sliding seat driving part; 2173, support plate; 2174, left loading component; 2175, third limit bottom column; 2176, second limit top column; 2177, third limit top column; 218, hovering component; 2181, connecting plate; 2182, clamping plate; 2183, locking telescopic part; 219, jacking driving part; 220, jacking limit component; 2201, first limit top column; 2202, first limit bottom column; 2203, second limit bottom column; 2204, sliding table body; 2205, sliding table driving part; 23, left box body tooling; 231, left positioning plate; 24, left pressing driving assembly; 25, left pressing head assembly; 251, first oil seal tooling; 2511, oil seal column; 2512, oil seal elastic part; 2513, oil seal claw clamp; 2514, slider driving part; 252, first bearing tooling; 253, first bearing bush tooling; 26, left base assembly; 261, second bearing tooling; 262, second bearing bush tooling; 263, mounting seat; 264, supporting seat; 265, supporting rod; 27, inclined plug pressing assembly; 271, inclined frame; 272, inclined sliding table; 273, inclined plug driving part; 274, plug tooling; 30, right box body pressing device; 31, right sub-frame; 311, right fixing plate; 312, right pressing plate; 313, right sliding seat; 314, right loading component; 331, right positioning plate; 34, right pressing driving assembly; 35, right pressing head assembly; 354, buffer pressing rod; 36, right base assembly; 361, fourth bearing tooling; 362, fourth bearing bush tooling. Detailed implementation manners

[0040] Next, in combination with the accompanying drawings and specific implementation manners, the invention will be further described. It should be noted that, on the premise of no conflict, the following described embodiments or technical features can be arbitrarily combined to form new embodiments. Except for special instructions, the materials and equipment used in this embodiment can be purchased from the market. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as a limitation to the present application.

[0041] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically and precisely defined.

[0042] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "connected", "communicated", "connected" should be understood in a broad sense. For example, it can be a fixed connection, or it can be connected through an intermediate medium. It can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to specific situations.

[0043] The terms "first", "second", etc. in the description, claims and drawings of the present application are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0044] Embodiment 1;

[0045] Please refer to Figures 1-13 As shown, this embodiment provides a press-fitting machine for a motorcycle engine case, which includes a main frame 10, and a left case press-fitting device 20 and a right case press-fitting device 30 arranged inside the main frame 10.

[0046] Specifically, the main frame 10 of this embodiment is a sheet metal frame welded by several profiles, with several openable and closable door panels on the surface, and several adjustable support feet arranged in a rectangular array at the bottom; the main frame 10 can be connected to a feeding system or a discharging system, and by connecting it to an automatic assembly production line, automated production can be achieved. A left installation cavity 11 and a right installation cavity 12 are formed inside the main frame 10.

[0047] The left case press-fit device 20 is mainly used for press-fitting various components of the left crankcase; the left case press-fit device 20 is arranged in the left installation cavity 11. The left case press-fit device 20 comprises a left auxiliary frame 21; a left case tool 23 is arranged on the left auxiliary frame 21, and a left press-fit station is formed on the left case tool 23; a left press-fit drive assembly 24 and a left pressure head assembly 25 are arranged on the top of the left press-fit station, the left press-fit drive assembly 24 is transmission-connected with the left pressure head assembly 25, and a first oil seal tool 251, a first bearing tool 252 and a first bearing bush tool 253 are arranged on the left pressure head assembly 25; a left base assembly 26 is arranged at the bottom of the left press-fit station, and a second bearing tool 261 and a second bearing bush tool 262 are arranged on the left base assembly 26.

[0048] The right case press-fitting device 30 is mainly used for press-fitting of various components of the right crankcase; the right case press-fitting device 30 is arranged in the right installation cavity 12; the right case press-fitting device 30 includes a right sub-frame 31; the right sub-frame 31 is provided with a right case tooling, and a right press-fitting station is formed on the right case tooling; the top of the right press-fitting station is provided with a right press-fitting drive assembly 34 and a right pressure head assembly 35, the right press-fitting drive assembly 34 is transmission-connected with the right pressure head assembly 35, and the right pressure head assembly 35 is provided with a third oil seal tooling, a third bearing tooling and a third bearing tooling; the bottom of the right press-fitting station is provided with a right base assembly 36, and the right base assembly 36 is provided with a fourth bearing tooling 361 and a fourth bearing tooling 362.

[0049] The first oil seal tooling 251, the first bearing tooling 252 and the first bearing tooling 253; the second bearing tooling 261 and the second bearing tooling 262; the third oil seal tooling, the third bearing tooling and the third bearing tooling; the setting positions and quantities of the fourth bearing tooling 361 and the fourth bearing tooling 362 are all adapted to the left crankcase hole positions, which can be understood by those skilled in the art.

[0050] Based on the above structure, during use, the left crankcase is fixed to the left press-fitting station through the left box body tooling 23. Power is provided by the left press-fitting drive assembly 24, causing both the left press head assembly 25 and the left base assembly 26 to approach in the direction of the left press-fitting station. Components such as oil seals, bearings, and bearing shells loaded on the first oil seal tooling 251, the first bearing tooling 252, and the first bearing shell tooling 253 are press-fitted to the corresponding positions on the outer side of the left crankcase, and components such as oil seals and bearings loaded on the second bearing tooling 261 and the second bearing shell tooling 262 are press-fitted to the corresponding positions on the inner side of the left crankcase. The right crankcase is fixed to the right press-fitting station through the right box body tooling. Power is provided by the right press-fitting drive assembly 34, causing both the right press head assembly 35 and the right base assembly 36 to approach in the direction of the right press-fitting station. Components loaded on the right press head assembly 35 and the right base assembly 36 are press-fitted to the corresponding positions on the right crankcase, achieving the one-time press-fitting of the left and right boxes of the motorcycle engine, which is simple and efficient and adapts to the rapid operation of the engine assembly line.

[0051] The left sub-frame 21 of this embodiment includes a left base 211, a left top seat 212, and a support column 213. The left top seat 212 is fixed above the left base 211 through the support column 213 around it, thus forming a frame structure with a certain load-bearing capacity to provide an installation foundation for the left box body press-fitting device 20. A left fixing plate 214 is provided on the left base 211, and four guide columns 215 are vertically arranged around the left fixing plate 214. The tops of the guide columns 215 on the same side are connected by a fixing beam 216.

[0052] The left sub-frame 21 further includes a left pressing plate 217, and the left pressing plate 217 is slidably connected to the four guide columns 215 respectively around it; the left box body tooling 23 includes a left positioning plate 231, and the left positioning plate 231 is slidably connected to the four guide columns 215 respectively around it; thus, the left positioning plate 231 and the left pressing plate 217 are slidably connected to the left fixing plate 214 in sequence.

[0053] The left base assembly 26 is detachably connected to the left fixing plate 214; various accessories on the left base assembly 26 can be pre-assembled and then sent into the left sub-frame 21 to achieve the efficient cooperation of each assembly process.

[0054] The left press-fitting drive assembly 24 has a fixed end and a telescopic end. The fixed end of the left press-fitting drive assembly 24 is connected to the left top seat 212, and the telescopic end of the left press-fitting drive assembly 24 is connected to the left pressing plate 217. The left press-fitting drive assembly 24 of this embodiment includes a main press cylinder and two sub-press cylinders, and the two sub-press cylinders are respectively arranged on both sides of the main press cylinder to provide a more balanced press-fitting force.

[0055] The left auxiliary frame 21 of this embodiment further includes a hovering assembly 218. The hovering assembly 218 includes a connecting plate 2181, a clamping plate 2182, and a locking telescopic member 2183. The locking telescopic member 2183 is fixed below the left top seat 212 through the connecting plate 2181. The clamping plate 2182 is fixed to the edge of the left pressing plate 217, and a locking hole is formed in the clamping plate 2182. The number of the hovering assemblies 218 is 2. The two hovering assemblies 218 are respectively arranged on opposite sides of the left top seat 212. By extending the locking telescopic members 2183 on both sides, the ends thereof are inserted into the locking holes of the corresponding connecting plates 2181, so that the left pressing plate 217 is hovered at a preset height, which is convenient for the assembly of the left pressing head assembly 25, and can reduce the load of the left pressing drive assembly 24 during the standby process, prevent the left pressing plate 217 from dropping rapidly when the machine stops, and extend the service life.

[0056] The left auxiliary frame 21 further includes a jacking drive member 219. The jacking drive member 219 is arranged between the left fixing plate 214 and the left positioning plate 231 and is used to jack up the left positioning plate 231. The jacking drive member 219 has a fixed end and a telescopic end. The fixed end of the jacking drive member 219 is connected to the left fixing plate 214 at the bottom, and the telescopic end of the jacking drive member 219 is connected to the left positioning plate 231 at the top. The left positioning plate 231 is driven by the jacking drive member 219 to translate in the height direction. Further, the left auxiliary frame 21 further includes a jacking limit assembly 220, which includes a first limit top column 2201, a first limit bottom column 2202, a second limit bottom column 2203, a sliding table body 2204, and a sliding table drive member 2205. The first limit top column 2201 is fixed to the bottom surface of the left positioning plate 231. The sliding table body 2204 is connected to the left fixing plate 214 through a slider guide rail mechanism. The first limit bottom column 2202 and the second limit bottom column 2203 are sequentially fixed to the top of the sliding table body 2204 along the sliding direction of the sliding table body 2204. The sliding table drive member 2205 is in transmission connection with the sliding table. By driving the sliding table body 2204 to slide through the sliding table drive member 2205, the first limit bottom column 2202 or the second limit bottom column 2203 is abutted against the first limit top column 2201, and the left positioning plate 231 is limited at the first height or the second height.

[0057] In this embodiment, the number of the lifting driving members 219 and the lifting limiting components 220 is both 2. The two groups of lifting driving members 219 and lifting limiting components 220 are respectively arranged on the opposite sides of the left fixing plate 214, and jointly act to lift or limit the opposite sides of the left positioning plate 231, making its lifting process more stable. Based on the above structure, during use, the left positioning plate 231 is lifted by the lifting driving member 219, increasing the distance between the left positioning plate 231 and the left fixing plate 214, facilitating the loading of the assembled left base assembly 26; after the left base assembly 26 is loaded, the slide body 2204 is driven to slide by the slide driving member 2205, so that the first limiting bottom post 2202 moves below the first limiting top post 2201, and the lifting driving member 219 retracts until it abuts against the first limiting bottom post 2202 and the first limiting top post 2201, limiting the left positioning plate 231 at the first height. At this time, the left crankcase fixed on the left positioning plate 231 hovers at a position close to the left base assembly 26, and the pressed parts on the left base assembly 26 and the pressing positions on the left crankcase are confirmed; after the alignment is correct, the slide body 2204 is driven to slide by the slide driving member 2205, so that the second limiting bottom post 2203 moves below the first limiting top post 2201, and the lifting driving member 219 retracts to the limit position, and the left positioning plate 231 drives the left crankcase to cooperate with the left base assembly 26 under the action of gravity; during the pressing process, the left positioning plate 231 descends to the limit position, and the second limiting bottom post 2203 abuts against the first limiting top post 2201, restricting the further displacement of the left positioning plate 231.

[0058] A through groove is formed on the left positioning plate 231 of this embodiment, and the positions of the through grooves correspond to the left pressing head assembly 25 and the left base assembly 26 in the vertical direction respectively; a first positioning block, a second positioning block and a plurality of positioning pins are arranged circumferentially on the through groove; the first positioning block, the second positioning block and the plurality of positioning pins fix the left crankcase on the through groove by the 3-2-1 positioning principle.

[0059] This embodiment further includes an inclined plug pressing assembly 27. The inclined plug pressing assembly 27 includes an inclined frame 271, an inclined slide 272, an inclined plug driving member 273 and a plug tooling 274; the inclined frame 271 is fixed on the top surface of the left positioning plate 231, the inclined slide 272 is connected to the inclined frame 271 through a guide rail slider mechanism, and the sliding direction of the inclined slide 272 is arranged at an angle with the top surface of the left positioning plate 231; the plug tooling 274 is arranged on the inclined slide 272, the inclined plug driving member 273 has a fixed end and a telescopic end, the fixed end of the inclined plug driving member 273 is connected to the inclined frame 271, and the telescopic end of the inclined plug driving member 273 is connected to the plug tooling 274; the inclined plug driving member 273 drives the plug tooling 274 to translate obliquely, and presses the plug onto the left crankcase.

[0060] A left sliding seat 2171, a sliding seat driving member 2172 and a support plate 2173 are arranged at the bottom of the left pressing plate 217; the left sliding seat 2171 is connected to the left pressing plate 217 through a guide rail slider mechanism, so that the left sliding seat 2171 can slide horizontally relative to the left pressing plate 217, and the sliding seat driving member 2172 is in transmission connection with the left sliding seat 2171; the top of the support plate 2173 is fixedly connected to the left pressing plate 217, and the bottom is in contact with the left sliding seat 2171; the left pressing head assembly 25 is arranged at the bottom of the left sliding seat 2171; a left feeding assembly 2174 is further arranged at the bottom of the left sliding seat 2171; the sliding seat driving member 2172 drives the left feeding assembly 2174 or the left pressing head assembly 25 to be translated above the left pressing and installing station;

[0061] A third limiting bottom post 2175 is arranged at the top of the left positioning plate 231. The number of the third limiting bottom posts 2175 is 4, and the 4 third limiting bottom posts 2175 are arranged in a rectangular array at the top of the left positioning plate 231. A second limiting top post 2176 and a third limiting top post 2177 are arranged at the bottom of the left sliding seat 2171. The number and positions of the second limiting top post 2176 and the third limiting top post 2177 correspond to those of the third limiting bottom post 2175; when the left pressing head assembly 25 is translated above the left pressing and installing station, the third limiting bottom post 2175 is used for being in contact with the second limiting top post 2176, and when the left feeding assembly 2174 is translated above the left pressing and installing station, the third limiting bottom post 2175 is used for being in contact with the third limiting top post 2177.

[0062] The upper left feeding component 2174 can be connected to the feeding system. After the left crankcase is conveyed to a preset position by the feeding system, the left crankcase is loaded onto the upper left feeding component 2174. Subsequently, the slide driving member 2172 drives the upper left feeding component 2174 above the left press-fitting station. The left press-fitting driving assembly 24 drives the left pressing plate 217 to translate downward to the release position. The third limit bottom post 2175 abuts against the third limit top post 2177, restricting further displacement of the left pressing plate 217, and releasing the left crankcase loaded on the upper left feeding component 2174 to the left press-fitting station. Subsequently, the left press-fitting driving assembly 24 drives the left pressing plate 217 to reset. Then, the slide driving member 2172 drives the left pressing head assembly 25 above the left press-fitting station, preparing to execute the press-fitting process. During the press-fitting process, the left press-fitting driving assembly 24 drives the left pressing plate 217 to translate downward to the limit position. The third limit bottom post 2175 abuts against the second limit top post 2176, restricting further displacement of the left pressing plate 217. The upper left feeding component 2174 can be realized by a mechanical buffer jaw clamp, a magnetic adsorption column, and a negative pressure column in the prior art, all of which can realize the transfer of the left crankcase from the feeding system to the left press-fitting station, which can be understood by those skilled in the art. In this embodiment, the automatic feeding function is integrated into the automatic press-fitting system, which can improve the positioning accuracy of the left crankcase, improve the press-fitting quality, and has a simple structure and is convenient to use. By arranging a support plate 2173 between the left pressing plate 217 and the left slide 2171, the load is transmitted to the left slide 2171 through the support plate 2173 during the press-fitting process, protecting the transmission components between the left pressing plate 217 and the left slide 2171.

[0063] The first oil seal tooling 251 includes an oil seal column 2511, an oil seal elastic member 2512, and an oil seal jaw clamp 2513. The top of the oil seal column 2511 is connected to the left slide 2171, and the bottom is connected to the oil seal jaw clamp 2513. The oil seal elastic member 2512 is arranged between the oil seal column 2511 and the oil seal jaw clamp 2513. An oil seal installation channel is formed in the oil seal jaw clamp 2513. One end of the oil seal installation channel is sleeved around the circumference of the oil seal column 2511, and the other end forms a receiving groove. A plurality of telescopic claws are circumferentially penetrated through the receiving groove. The oil seal is clamped in the receiving groove by the telescopic claws, the oil seal is pushed out of the receiving groove by the oil seal column 2511, and the oil seal elastic member 2512 provides an elastic force for the oil seal jaw clamp 2513 to reset. The first oil seal tooling 251 further includes an oil seal in-place sensor and an oil seal push-out sensor. The oil seal in-place sensor is arranged on the oil seal jaw clamp 2513 for obtaining information on whether the oil seal is in place. The oil seal push-out sensor is fixed to the oil seal column 2511 through a mounting plate for obtaining information on whether the oil seal is pushed out.

[0064] The specific structures of the first bearing tooling 252, the first bearing shell tooling 253, the second bearing tooling 261, the second bearing shell tooling 262, the third oil seal tooling, the third bearing tooling, the third bearing shell tooling, the fourth bearing tooling 361, and the fourth bearing shell tooling 362 in this embodiment can be the same as those of the first oil seal tooling 251. The oil seal jaw clamp 2513 at the end is adjusted and changed by adapting to the corresponding press-fitting parts to realize the fixation and release of different press-fitting parts; the grasping mechanisms such as the oil seal jaw clamp 2513 can also be realized by magnetic adsorption grasping or negative pressure grasping, etc., which all fall within the protection scope recorded in the present invention. In order to provide a press-fitting force suitable for different types of press-fitting parts, an elastic mechanism can also be provided between the first oil seal tooling 251, the first bearing tooling 252, the first bearing shell tooling 253 and the left sliding seat 2171. When the press-fitting force reaches the rated load, the elastic mechanism absorbs the excess load through deformation to solve the assembly problems of different types of press-fitting parts under the corresponding press-fitting forces. The second bearing tooling 261, the second bearing shell tooling 262, the third oil seal tooling, the third bearing tooling, the third bearing shell tooling, the fourth bearing tooling 361, and the fourth bearing shell tooling 362 and their connection bases can also be realized in this way, which can be understood by those skilled in the art and will not be elaborated here.

[0065] The top of the oil seal column 2511 is connected to the left sliding seat 2171 through a slider guide mechanism. A slider driving part 2514 is further arranged at the bottom of the left sliding seat 2171. The slider driving part 2514 is in transmission connection with the oil seal column 2511. The oil seal column 2511 is driven by a pressing block driving part to translate relative to the left sliding seat 2171, so that the position of the first oil seal tooling 251 can be finely adjusted, improving its practicability.

[0066] The left base assembly 26 in this embodiment includes a mounting seat 263, and the mounting seat 263 is detachably connected to the left fixing plate 214; a plurality of supporting seats 264 are fixed on the mounting seat 263, and the second bearing tooling 261 and the second bearing shell tooling 262 are respectively arranged on the supporting seats 264; a plurality of supporting rods 265 are further arranged on the supporting seats 264, and the supporting rods 265 are used to abut against the inner wall of the left crankcase to improve the stability of the left crankcase during the press-fitting process and prevent deformation or displacement caused by local stress.

[0067] A right fixing plate 311 is arranged at the bottom of the right auxiliary frame 31 in this embodiment. A right positioning plate 331 and a right pressing plate 312 are sequentially slidably connected to the right fixing plate 311; the right base assembly 36 is detachably connected to the right fixing plate 311; a right sliding seat 313 is slidably connected to the bottom of the right pressing plate 312, the right press head assembly 35 is arranged at the bottom of the right sliding seat 313, and a right feeding assembly 314 is further arranged at the bottom of the right sliding seat 313.

[0068] The basic structure of the right housing pressing device 30 is the same as that of the left housing pressing device 20. Its right housing tooling, right press head assembly 35 and right base assembly 36 are adjusted according to the pressing requirements of the right crankcase, which can be understood by those skilled in the art. The right press head assembly 35 further includes a plurality of buffer pressure rods 354, and the buffer pressure rods 354 correspond to the fastening hole positions at the edge of the right crankcase. Through the buffer pressure rods 354, pressure is applied to the fastening hole positions at the edge of the right crankcase during the pressing process, positioning it on the right housing tooling, improving the stability of the right crankcase during the pressing process, and preventing deformation or displacement due to local stress.

[0069] The above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantive changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A motorcycle engine case press-fitting machine, characterized in that, It includes a main frame, a left box pressing device and a right box pressing device; A left installation cavity and a right installation cavity are formed inside the main frame; The left box press-fitting device is arranged in the left installation cavity; the left box press-fitting device comprises a left auxiliary frame; the left auxiliary frame is provided with a left box tooling, and a left press-fitting station is formed on the left box tooling; a left press-fitting drive assembly and a left pressure head assembly are arranged on the top of the left press-fitting station, the left press-fitting drive assembly is transmission-connected with the left pressure head assembly, and a first oil seal tooling, a first bearing tooling and a first bushing tooling are arranged on the left pressure head assembly; a left base assembly is arranged at the bottom of the left press-fitting station, and a second bearing tooling and a second bushing tooling are arranged on the left base assembly; The right box press-fitting device is arranged in the right installation cavity; the right box press-fitting device includes a right auxiliary frame; the right auxiliary frame is provided with a right box tooling, and a right press-fitting station is formed on the right box tooling; the top of the right press-fitting station is provided with a right press-fitting drive assembly and a right pressure head assembly, and the right press-fitting drive assembly is transmission-connected with the right pressure head assembly; the bottom of the right press-fitting station is provided with a right base assembly.

2. The motorcycle engine case press-fitting machine according to claim 1, characterized in that, The left auxiliary frame includes a left base, a left top base and a support column, and the left top base is fixed to the top of the left base by the support columns; a left fixed plate is arranged on the left base, and four guide columns are vertically arranged around the left fixed plate, and the tops of the guide columns on the same side are connected by a fixed beam; The left auxiliary frame includes a left pressure plate, which is slidably connected to four guide pillars on all sides; the left box tooling includes a left positioning plate, which is slidably connected to four guide pillars on all sides; the left base assembly is detachably connected to the left fixed plate; the left press-fitting drive assembly has a fixed end and a telescopic end, the fixed end of the left press-fitting drive assembly is connected to the left top seat, and the telescopic end of the left press-fitting drive assembly is connected to the left pressure plate.

3. The press-fitting machine for a motorcycle engine case according to claim 2, wherein The left auxiliary frame also includes a suspension assembly, which includes a connecting plate, a clamping plate and a locking telescopic member. The locking telescopic member is fixed to the bottom of the left top seat through the connecting plate, and the clamping plate is fixed to the edge of the left pressure plate. A locking hole is provided on the clamping plate. The locking telescopic member is clamped in the locking hole to suspend the left pressure plate at a preset height. The left auxiliary frame also includes a lifting driving member, the lifting driving member has a fixed end and a telescopic end, the fixed end of the lifting driving member is connected to the left fixed plate, and the telescopic end of the lifting driving member is connected to the left positioning plate, and the left positioning plate is driven to translate in the height direction by the lifting driving member; The left auxiliary frame also includes a lifting and limiting assembly including a first limiting top column, a first limiting bottom column, a second limiting bottom column, a slide body and a slide driving component; the first limiting top column is fixed to the bottom surface of the left positioning plate, the slide body is connected to the left fixed plate through a slider guide mechanism, the first limiting bottom column and the second limiting bottom column are fixed to the top of the slide body in sequence along the sliding direction of the slide body, and the slide driving component is transmission-connected to the slide; the slide body is driven to slide by the slide driving component, so that the first limiting bottom column or the second limiting bottom column abuts against the first limiting top column, and the left positioning plate is limited to the first height or the second height.

4. A motorcycle engine case press-fitting machine according to claim 2, characterized in that, A through groove is formed on the left positioning plate, and the positions of the through groove correspond to the left pressure head assembly and the left base assembly in the vertical direction respectively; a first positioning block, a second positioning block and a plurality of positioning pins are arranged circumferentially of the through groove.

5. A motorcycle engine case press-fitting machine according to claim 2, characterized in that, It also includes an oblique plugging press-fitting assembly, which includes an oblique frame, an inclined slide, an oblique plugging driving member and a plugging tooling; the oblique frame is fixed to the top surface of the left positioning plate, the inclined slide is connected to the oblique frame through a guide rail slider mechanism, and the sliding direction of the inclined slide is set at an angle to the top surface of the left positioning plate; the plugging tooling is set on the inclined slide, and the oblique plugging driving member has a fixed end and a telescopic end, the fixed end of the oblique plugging driving member is connected to the oblique frame, and the telescopic end of the oblique plugging driving member is connected to the plugging tooling.

6. The motorcycle engine case press-fitting machine according to claim 2, wherein, A left slide, a slide drive and a support plate are provided at the bottom of the left pressure plate; the left slide is connected to the left pressure plate through a guide rail slider mechanism, so that the left slide can slide in the horizontal direction relative to the left pressure plate, and the slide drive is transmission-connected to the left slide; the top of the support plate is fixedly connected to the left pressure plate, and the bottom abuts against the left slide; the left pressure head assembly is provided at the bottom of the left slide; a left loading assembly is also provided at the bottom of the left slide; the left loading assembly or the left pressure head assembly is driven to translate to above the left pressing station by the slide drive; A third limiting bottom column is arranged on the top of the left positioning plate, and a second limiting top column and a third limiting top column are arranged on the bottom of the left sliding seat; when the left pressure head assembly is translated to above the left pressing station, the third limiting bottom column is used to abut against the second limiting top column, and when the left loading assembly is translated to above the left pressing station, the third limiting bottom column is used to abut against the third limiting top column.

7. A motorcycle engine case press-fitting machine according to claim 6, characterized in that, The first oil seal tooling comprises an oil seal column, an oil seal elastic member and an oil seal claw clamp; the top of the oil seal column is connected to the left sliding seat, and the bottom is connected to the oil seal claw clamp, and the oil seal elastic member is arranged between the oil seal column and the oil seal claw clamp; an oil seal installation channel is formed in the oil seal claw clamp, one end of the oil seal installation channel is sleeved on the circumference of the oil seal column, and the other end forms a receiving groove, and a plurality of telescopic claws are penetrated in the circumference of the receiving groove; the oil seal is clamped into the receiving groove by the telescopic claw, and the oil seal is pushed out of the receiving groove by the oil seal column, and the elastic force of the oil seal claw clamp to reset is provided by the oil seal elastic member; The first oil seal tooling also includes an oil seal in-place sensor and an oil seal push-out sensor; the oil seal in-place sensor is arranged on the oil seal claw clamp to obtain information on whether the oil seal is in place, and the oil seal push-out sensor is fixed to the oil seal column through a mounting plate to obtain information on whether the oil seal is pushed out.

8. According to the motorcycle engine case press assembly machine of claim 7, the top of the oil seal column is connected to the left slide seat through a slider guide mechanism, and a slider driving component is also provided at the bottom of the left slide seat. The slider driving component is transmission-connected to the oil seal column, and the oil seal column is driven to translate relative to the left slide seat through the pressure block driving component.

9. A motorcycle engine case pressing machine according to claim 7, wherein the left base assembly includes a mounting seat, and the mounting seat is detachably connected to the left fixing plate; a plurality of supporting seats are fixed on the mounting seat, and the second bearing tooling and the second bearing shell tooling are respectively arranged on the supporting seats; a plurality of supporting rods are further arranged on the supporting seats, and the supporting rods are used for abutting against the inner wall of the right crankcase.

10. A motorcycle engine case pressing machine according to claim 1, wherein a third oil seal tooling, a third bearing tooling and a third bearing shell tooling are arranged on the right pressing head assembly, and a fourth bearing tooling and a fourth bearing shell tooling are arranged on the right base assembly; a right fixing plate is arranged at the bottom of the right auxiliary frame, and a right positioning plate and a right pressing plate are sequentially slidably connected to the right fixing plate; the right base assembly is detachably connected to the right fixing plate; a right sliding seat is slidably connected to the bottom of the right pressing plate, the right pressing head assembly is arranged at the bottom of the right sliding seat, and a right feeding assembly is further arranged at the bottom of the right sliding seat; the right pressing head assembly further includes a plurality of buffer pressing rods, and the buffer pressing rods correspond to the fastening hole positions at the edge of the right crankcase.

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