CN209736478U - automatic pipe expander with multiple degrees of freedom - Google Patents
automatic pipe expander with multiple degrees of freedom Download PDFInfo
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- CN209736478U CN209736478U CN201920168532.4U CN201920168532U CN209736478U CN 209736478 U CN209736478 U CN 209736478U CN 201920168532 U CN201920168532 U CN 201920168532U CN 209736478 U CN209736478 U CN 209736478U
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Abstract
the utility model relates to an automatic pipe expander with multiple degrees of freedom, which comprises a fixed platform, wherein a mobile platform is connected with the mobile platform through a first transmission device; the movable platform is connected with the bottom of the outer frame through a supporting mechanism, and is connected with the tube expansion platform assembly through a second transmission device in the outer frame; the tube expansion platform assembly is also connected with a plurality of linear motor assemblies through a plurality of third transmission devices, the moving end of each linear motor assembly is also connected with one end of an expansion gun through a driving mechanism, and the other end of the expansion gun sequentially penetrates through the bearing assembly and the middle supporting mechanism. The utility model discloses simple structure, convenient to use not only can realize outer frame for fixed platform's displacement, expand tube platform assembly and realize linear electric motor assembly for the displacement of expand tube platform assembly for outer frame through increasing a plurality of transmission to satisfy the expand tube work of different positions on the product, satisfy the expand tube demand of unidimensional product.
Description
Technical Field
The utility model relates to a electric tube expander equipment field especially relates to automatic electric tube expander with multi freedom.
Background
The tube expander is a special device for expanding and connecting the tubes and the tube plates in the manufacturing of equipment such as a heat exchanger, a condenser, a high-pressure heater and the like, the expansion work of the tubes and the tube plates in the manufacturing of the equipment is performed manually at present, the efficiency of the manual expansion mode is extremely low, the human resource input cost of enterprises is increased, the labor intensity of workers is increased, and time and labor are wasted. In addition, the manual expansion mode is easy to omit, the omitted holes cannot be found when the hole positions on the tube plate are more, and meanwhile, the torque of the manual expansion in the expansion process cannot be kept consistent all the time, so that the customer requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The applicant carries out research and improvement aiming at the existing problems and provides an automatic pipe expander with multiple degrees of freedom, which can realize the automatic expansion work of multiple holes under multiple degrees of freedom, saves time and labor and has extremely high automation degree.
the utility model discloses the technical scheme who adopts as follows:
the automatic pipe expander with multiple degrees of freedom comprises a fixed platform, wherein a moving platform is connected with the moving platform through a first transmission device, so that the moving platform can make linear motion relative to the fixed platform through the first transmission device; the movable platform is connected with the bottom of the outer frame through a support mechanism, and is connected with the tube expansion platform assembly through a second transmission device in the outer frame, so that the tube expansion platform assembly can make linear motion relative to the outer frame through the second transmission device; the pipe expanding platform assembly is further connected with a plurality of linear motor assemblies through a plurality of third transmission devices, each linear motor assembly makes linear motion relative to the pipe expanding platform assembly through the third transmission devices, the moving end of each linear motor assembly is further connected with one end of an expanding gun through a driving mechanism, and the other end of the expanding gun sequentially penetrates through the bearing assembly and the middle supporting mechanism.
The further technical scheme is as follows:
The specific structure of the fixed platform is as follows:
the device comprises a middle underframe provided with a first transmission device, a plurality of longitudinal underframe are respectively connected along two sides of the middle underframe, and a plurality of transverse underframe are parallel to the middle underframe and penetrate through the longitudinal underframe; the method comprises the following steps that base plates are uniformly arranged on the surfaces of all transverse bottom frames, first linear guide rails are arranged on the base plates and are in sliding connection with first sliding blocks, and moving plates for butting moving platforms are arranged on the first sliding blocks;
The first transmission device comprises a motor mounting seat, a first connecting seat and a second connecting seat which are fixedly connected to the surface of the middle underframe, wherein first lead screw connecting seats are arranged on the first connecting seat and the second connecting seat respectively;
A plurality of sleeve seat mounting grooves are formed in each longitudinal underframe along the axial direction, the groove surfaces of the sleeve seat mounting grooves are matched with the supporting leg sleeve seats, and adjusting bolt bases for adjusting the height of the longitudinal underframe are arranged in the supporting leg sleeve seats;
The specific structure of the mobile platform is as follows:
The multi-joint transmission device comprises a middle steel frame, a plurality of transverse steel frames are distributed on two sides of the middle steel frame and are parallel to the middle steel frame, a longitudinal steel frame is further connected between the end parts of two middle transverse steel frames on the outermost side, a reinforcing steel frame is further arranged between two adjacent transverse steel frames, gusset plates are fixedly connected to the upper surface and the lower surface of each transverse steel frame on the left side and the right side of the middle steel frame, and a nut seat connecting plate for butting the moving end of a first transmission device is further arranged at the bottom of the middle steel frame;
The specific structure of the outer frame is as follows:
The device comprises a lower frame assembly, a pair of side frame assemblies and a pair of side frame assemblies, wherein the two ends of the lower frame assembly are butted with the lower ends of the side frame assemblies in the vertical direction, and the upper ends of the side frame assemblies are connected with the upper frame assembly;
The lower frame assembly comprises a plurality of transverse steel beams which are arranged at intervals, and a plurality of longitudinal steel beams penetrate through the transverse steel beams and are distributed at the center and two sides of each transverse steel beam; a plurality of small cross beams are also penetrated between the adjacent transverse steel beams, and each small cross beam is parallel to the longitudinal steel beam;
The side frame assembly comprises a cross beam provided with a second transmission device, a plurality of vertical beams arranged at intervals are arranged on the cross beam along the vertical direction, a second linear guide rail is arranged on each vertical beam, each second linear guide rail is connected with a second sliding block in a sliding manner, and an adjusting pad is arranged on each second sliding block; the bottom of each vertical beam is butted with a transverse steel beam of the lower frame assembly;
The specific structure of the upper frame assembly is as follows:
The steel plate comprises a pair of middle main beams which are arranged at intervals, wherein side main beams which are parallel to the middle main beams are respectively arranged on two sides of the pair of middle main beams, and side cross beams and angle steel are respectively connected between the adjacent side main beams and the middle main beam;
the second transmission device comprises a pair of second screw rod connecting seats and ball screw rod limiting seats which are arranged on any vertical beam, a second ball screw rod is arranged between the adjacent second screw rod connecting seats, a second screw rod nut seat is in threaded connection with the second ball screw rod, and the second screw rod nut seat forms a moving end of the second transmission device; one end of each second ball screw extends out of the second screw rod connecting seat and is connected with the power output end of the angle steering gear through a coupler, the power input end of each angle steering gear is connected with the output end of the vertical steering gear through a first transmission shaft, and the input end of the vertical steering gear is connected with the first lifting motor; the vertical steering gear and the angle steering gear are fixedly connected to steering gear base plates, and each steering gear base plate is fixedly connected with the surface of the middle main beam;
The lifting mechanism comprises a plurality of groups of bearing seats arranged on the lower frame assembly, lifting machine bases are connected between the adjacent bearing seats, each lifting machine base is provided with a lifting box body which is controlled by a second lifting motor to lift, a lifting screw rod is arranged in each lifting box body, one end of each lifting screw rod, extending out of each lifting box body, is in pin joint with a first double-lug seat arranged on the longitudinal steel frame, and a second transmission shaft is connected between the adjacent lifting box bodies and used for keeping synchronization;
The inner side of one longitudinal steel beam positioned at the outermost side in the lower frame assembly is also provided with single-lug joints at intervals, each single-lug joint is in pin joint with a second double-lug seat arranged on the longitudinal steel frame through a pin shaft, and each second double-lug seat and each single-lug joint form a supporting mechanism between the mobile platform and the outer frame;
the pipe expanding platform assembly comprises a plurality of long cross beams and long longitudinal beams which are mutually staggered, third linear guide rails are respectively arranged on the long longitudinal beams, the third linear guide rails are connected with third sliding blocks in a sliding manner, and a supporting seat for butting the linear motor assembly is arranged on the surface of each third sliding block; short longitudinal beams are arranged between the adjacent long cross beams;
The third transmission device comprises a pair of third screw nut seats, one end of a third ball screw is matched with one of the third screw nut seats, the other end of the third ball screw extends out of the other third screw nut seat and is connected with the output end of each second servo motor arranged on a second servo motor base plate through a third screw connecting seat and a coupling, the third screw connecting seat is connected with the second servo motor base plate through a fixed side seat, and the third ball screw is further in threaded connection with a third screw nut seat in butt joint with the linear motor assembly;
the linear motor assembly has the following specific structure:
the automatic gun expansion device comprises a linear motor, wherein a moving end of the linear motor is fixedly connected with a third servo motor through a motor mounting plate, a bearing assembly and an intermediate support mechanism for realizing revolution or rotation of an expansion gun are further sequentially arranged on a base of the linear motor, one end of the expansion gun is connected with the third servo motor through a coupler, and the other end of the expansion gun sequentially penetrates through the bearing assembly and the intermediate support mechanism;
the intermediate support mechanism has the following specific structure:
The device comprises a middle supporting plate with a hole, wherein the hole of the middle supporting plate is matched with one side of a rotary table through a bearing, a plurality of support fixing seats are uniformly distributed on the other side of the rotary table along the radial direction, a pair of roller mounting plates are mounted on each support fixing seat, adjusting holes are formed in each roller mounting plate along the horizontal direction, spring holes communicated with the adjusting holes are formed in each roller mounting plate along the vertical direction, rollers are matched in the adjusting holes through pin shafts, and springs are further arranged in the spring holes.
the utility model has the advantages as follows:
the utility model discloses simple structure, convenient to use not only can realize outer frame for fixed platform's displacement, expand tube platform assembly and realize linear electric motor assembly for the displacement of expand tube platform assembly for outer frame through increasing a plurality of transmission to satisfy the expand tube work of different positions on the product, satisfy the expand tube demand of unidimensional product.
The utility model discloses an increase middle support mechanism, set up the running roller and the spring of equipartition in middle support mechanism, its external diameter that can self-adaptation expand the rifle carries out self-adaptation regulation, can not only avoid the flagging problem of bloated rifle overlength, can also realize simultaneously that the rifle rotation that expands avoids it to carry out dry grinding with middle support mechanism to the life of the rifle that expands has been improved. In addition, the revolution of the expansion gun can be realized by arranging the bearing, so that the expansion gun can perform pipe expansion more stably.
This the utility model discloses can realize the uniformity of expand tube moment of torsion, be difficult for omitting the hole site to the expand tube work of porous class product, accomplish quick, accurate expand tube work. Can realize through arranging angle adjustment mechanism the utility model discloses a rectify and to satisfy the processing needs, still set up a plurality of adjusting bolt bases in addition on fixed platform, its ground that can realize fixed platform is laid, satisfies different levelness is laid, makes the utility model discloses the levelness of structure is unanimous.
Drawings
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 at a.
Fig. 3 is a schematic structural diagram of the middle fixed platform and the moving platform of the present invention.
Fig. 4 is a schematic structural diagram of the middle fixing platform of the present invention.
Fig. 5 is a schematic structural diagram of the middle mobile platform of the present invention.
fig. 6 is an enlarged schematic view of fig. 5 at B.
fig. 7 is a schematic structural view of the middle and outer frame assembly of the present invention.
fig. 8 is a schematic structural view of the lower frame assembly in the outer frame.
fig. 9 is a schematic structural view of the side frame assembly in the outer frame.
Fig. 10 is a schematic view of the structure of the upper frame assembly in the outer frame.
fig. 11 is a schematic structural diagram of the middle angle adjusting mechanism of the present invention.
fig. 12 is a schematic view of a partial structure of the tube expanding platform assembly of the present invention.
fig. 13 is a schematic structural diagram i of the tube expanding platform assembly of the present invention.
Fig. 14 is a schematic structural diagram ii of the tube expanding platform assembly of the present invention.
fig. 15 is a schematic structural diagram i of the middle linear motor assembly of the present invention.
Fig. 16 is a schematic structural diagram ii of the middle linear motor assembly of the present invention.
Fig. 17 is a schematic structural view of the intermediate support mechanism.
wherein: 1. a fixed platform; 101. a longitudinal chassis; 102. a transverse chassis; 103. a middle chassis; 104. a base plate; 105. a first linear guide rail; 106. a first slider; 107. moving the plate; 108. a motor mounting seat; 109. a first servo motor; 110. a first connecting seat; 111. a first lead screw connecting seat; 112. a first ball screw; 113. a first lead screw nut seat; 114. a second connecting seat; 115. a sleeve seat mounting groove; 116. a leg sleeve seat; 117. adjusting the bolt base; 2. a mobile platform; 201. a connecting plate; 202. a longitudinal steel frame; 203. a transverse steel frame; 204. a middle steel frame; 205. a nut seat connecting plate; 206. reinforcing the steel frame; 207. a gusset plate; 208. a first binaural seat; 209. a second binaural seat; 3. an outer frame; 301. a lower frame assembly; 3011. a transverse steel beam; 3012. a longitudinal steel beam; 3013. a small cross beam; 3014. a single lug joint; 302. a side frame assembly; 3021. a cross beam; 3022. erecting a beam; 3023. a second linear guide; 3024. a second slider; 3025. an adjustment pad; 3026. a second lead screw connecting seat; 3027. a ball screw limiting seat; 3028. a second ball screw; 3029. a second feed screw nut seat; 303. an upper frame assembly; 3031. a side girder; 3032. a middle main beam; 3033. a side cross member; 3034. angle steel; 3035. a first lift motor; 3036. a vertical diverter; 3037. a first drive shaft; 3038. an angle diverter; 3039. a diverter pad plate; 4. an angle adjusting mechanism; 401. a second lift motor; 402. lifting the box body; 403. lifting the base; 404. a bearing seat; 405. an elevator screw; 406. a second drive shaft; 5. a tube expansion platform assembly; 501. a second servo motor; 502. a long beam; 503. a long stringer; 504. a short stringer; 505. a second servo motor backing plate; 506. a coupling; 507. fixing the side seat; 508. a third lead screw connecting seat; 509. a third ball screw; 510. a third linear guide rail; 511. a third screw-nut seat; 512. a third slider; 513. a supporting seat; 514. a transition connecting plate; 6. a linear motor assembly; 601. a linear motor; 602. a motor mounting plate; 603. a third servo motor; 604. a bearing assembly; 605. an intermediate support mechanism; 606. expanding the gun; 607. a middle support plate; 608. a bearing; 609. a turntable; 610. a bracket fixing seat; 611. a roller mounting plate; 612. a roller; 613. a spring; 614. a pin shaft; 615. a spring hole; 616. and adjusting the hole.
Detailed Description
the following describes embodiments of the present invention.
As shown in fig. 1, the automatic pipe expander with multiple degrees of freedom comprises a fixed platform 1, wherein a moving platform 2 is connected with a moving platform 2 through a first transmission device, so that the moving platform 2 can make linear motion relative to the fixed platform 1 through the first transmission device; the movable platform 2 is connected with the bottom of the outer frame 3 through a support mechanism, and is connected with the tube expansion platform assembly 5 in the outer frame 3 through a second transmission device, so that the tube expansion platform assembly 5 makes linear motion relative to the outer frame 3 through the second transmission device; the tube expansion platform assembly 5 is also connected with a plurality of linear motor assemblies 6 through a plurality of third transmission devices, each linear motor assembly 6 makes linear motion relative to the tube expansion platform assembly 5 through the third transmission devices, the moving end of each linear motor assembly 6 is also connected with one end of an expansion gun 606 through a driving mechanism, and the other end of the expansion gun 606 sequentially penetrates through a bearing assembly 604 and a middle supporting mechanism 605.
as shown in fig. 3 and 4, the fixing platform 1 has the following specific structure:
the device comprises a middle underframe 103 provided with a first transmission device, a plurality of longitudinal underframe 101 are respectively connected along two sides of the middle underframe 103, and a plurality of transverse underframe 102 are parallel to the middle underframe 103 and penetrate through each longitudinal underframe 101; backing plates 104 are arranged on the surfaces of the transverse bottom frames 102 along the same direction, first linear guide rails 105 are arranged on the backing plates 104, the first linear guide rails 105 are connected with first sliding blocks 106 in a sliding mode, and moving plates 107 for butting the moving platforms 2 are arranged on the first sliding blocks 106.
As shown in fig. 4, the first transmission device includes a motor mounting seat 108, a first connecting seat 110 and a second connecting seat 114 fixedly connected to the surface of the middle chassis 103, a first lead screw connecting seat 111 is disposed on each of the first connecting seat 110 and the second connecting seat 114, the first servo motor 109 is disposed on the motor mounting seat 108, one end of the first ball screw 112 is matched with the first lead screw connecting seat 111 disposed on the second connecting seat 114, the other end of the first ball screw 112 penetrates through the first lead screw connecting seat 111 on the first connecting seat 110 and is connected to the output end of the first servo motor 109 through a coupling, the first ball screw 112 is further screwed with a first lead screw nut seat 113, and the first lead screw nut seat 113 constitutes a moving end of the first transmission device.
As shown in fig. 4, each longitudinal chassis 101 is further provided with a plurality of sleeve mount mounting grooves 115 along the axial direction, groove surfaces of the sleeve mount mounting grooves 115 are matched with the leg sleeve mounts 116, and an adjusting bolt base 117 for adjusting the height of the longitudinal chassis 101 is disposed in each leg sleeve mount 116.
As shown in fig. 3 and 5, the specific structure of the mobile platform 2 is as follows:
Including middle steelframe 204, many horizontal steelframes 203 distribute in the both sides of middle steelframe 204 and are parallel to each other with middle steelframe 204, still connect vertical steelframe 202 between the tip of two middle horizontal steelframes 203 in the outside, still set up enhancement steelframe 206 between two adjacent horizontal steelframes 203, the one end butt of adjacent enhancement steelframe 206 forms "V" shape, all rigid coupling gusset plates 207 are all fixed on the upper and lower surface of each horizontal steelframe 203 of both sides about middle steelframe 204, still set up nut seat connecting plate 205 that is used for butt joint first transmission removal end in the bottom of middle steelframe 204, still set up connecting plate 201 of butt joint movable plate 107 in the junction bottom of each horizontal steelframe 203 and vertical steelframe 202.
As shown in fig. 7, the specific structure of the outer frame 3 is as follows:
The frame comprises a lower frame assembly 301, wherein two ends of the lower frame assembly 301 are butted with the lower ends of a pair of side frame assemblies 302 along the vertical direction, the upper end of each side frame assembly 302 is connected with an upper frame assembly 303, and the lower frame assembly 301, the pair of side frame assemblies 302 and the upper frame assembly 303 are spliced to form a rectangular frame body.
As shown in fig. 8, the lower frame assembly 301 includes a plurality of transverse steel beams 3011 arranged at intervals, and a plurality of longitudinal steel beams 3012 penetrate through the transverse steel beams 3011 and are distributed at the center and both sides of the transverse steel beams 3011; a plurality of small cross beams 3013 are further penetrated between the adjacent transverse steel beams 3011, and each small cross beam 3013 is parallel to the longitudinal steel beam 3012.
as shown in fig. 9, the side frame assembly 302 includes a cross member 3021 provided with a second transmission device, a plurality of vertical beams 3022 arranged at intervals in the vertical direction on the cross member 3021, a second linear guide 3023 provided on each vertical beam 3022, each second linear guide 3023 slidably connected to a second slider 3024, and an adjustment pad 3025 provided on each second slider 3024; the bottom of each vertical beam 3022 is butted with the transverse steel beam 3011 of the lower frame assembly 301;
as shown in fig. 10, the specific structure of the upper frame assembly 303 is as follows:
the main beam structure comprises a pair of middle main beams 3032 which are arranged at intervals, side main beams 3031 which are parallel to the middle main beams 3032 are respectively arranged on two sides of the pair of middle main beams 3032, and side cross beams 3033 and angle steel 3034 are respectively connected between the adjacent side main beams 3031 and the middle main beams 3032.
As shown in fig. 9, the second transmission device includes a pair of second screw connecting seats 3026 and a ball screw stopper 3027 (in the present embodiment, the second screw connecting seat 3026 is provided on the middle vertical beam 3022) which are installed on any one of the vertical beams 3022, a second ball screw 3028 is installed between the adjacent second screw connecting seats 3026, a second screw-nut seat 3029 is screwed on the second ball screw 3028, and the second screw-nut seat 3029 constitutes a moving end of the second transmission device; one end of each second ball screw 3028 extends out of the second screw connecting seat 3026 and is connected with the power output end of the angle steering 3038 through a coupler, the power input end of each angle steering 3038 is connected with the output end of the vertical steering 3036 through a first transmission shaft 3037, and the input end of the vertical steering 3036 is connected with the first lifting motor 3035; the vertical steering gear 3036 and the angle steering gear 3038 are fixedly connected to a steering gear base plate 3039, each steering gear base plate 3039 is fixedly connected with the surface of the middle main beam 3032, and the angle steering gear 3038 corresponds to the mounting position of the second ball screw 3028.
As shown in fig. 11, the utility model discloses still include angle adjustment mechanism 4, angle adjustment mechanism 4 includes that the multiunit sets up the bearing frame 404 on underframe assembly 301, connect lift frame 403 between adjacent bearing frame 404, set up the lift box 402 that goes up and down by second elevator motor 401 control on each lift frame 403, set up lift screw rod 405 in each lift box 402, the one end that each lift screw rod 405 stretches out lift box 402 is connected with the first binaural seat 208 pin joint of installing in vertical steelframe 202, it is used for keeping synchronous to connect second transmission shaft 406 between the adjacent lift box 402.
The inside of one longitudinal steel beam 3012 located at the outermost side in the lower frame assembly 301 is further provided with single-lug joints 3014 at intervals, each single-lug joint 3014 is connected to a second double-lug seat 209 installed on the longitudinal steel frame 202 through a pin, each second double-lug seat 209 is installed on the longitudinal steel frame 202 (the longitudinal steel frame 202 is not the longitudinal steel frame 202 on which the first double-lug seat 208 is installed), and each second double-lug seat 209 and each single-lug joint 3014 form a supporting mechanism between the moving platform 2 and the outer frame 3.
as shown in fig. 12, 13 and 14, the tube expansion platform assembly 5 includes a plurality of long beams 502 and long stringers 503 which are arranged in a staggered manner, a third linear guide 510 is respectively disposed on each long stringer 503, each third linear guide 510 is slidably connected with a third sliding block 512, and a support base 513 for abutting against the linear motor assembly 6 is disposed on the surface of each third sliding block 512; short longitudinal beams 504 are further arranged between adjacent long transverse beams 502, and a transition connecting plate 514 for connecting a second lead screw nut seat 3029 is further arranged outside the center of one long transverse beam 502.
As shown in fig. 12, 13 and 14, the third transmission device includes a pair of third screw-nut seats 511, one end of a third ball screw 509 is engaged with one of the third screw-nut seats 511, the other end of the third ball screw 509 extends out of the other third screw-nut seat 511 and is connected to the output end of each second servo motor 501 mounted on the second servo motor pad 505 through a third screw-connecting seat 508 and a coupling 506, the third screw-connecting seat 508 is connected to the second servo motor pad 505 through a fixed-side seat 507, and the third screw-nut seat 511 abutting against the linear motor assembly 6 is further screwed to the third ball screw 509.
as shown in fig. 15, 16 and 17, the linear motor assembly 6 has the following specific structure:
the automatic inflation gun feeding device comprises a linear motor 601, wherein a moving end of the linear motor 601 is fixedly connected with a third servo motor 603 through a motor mounting plate 602, a bearing assembly 604 and an intermediate support mechanism 605 for realizing revolution or rotation of an inflation gun 606 are further sequentially arranged on a base of the linear motor 601, one end of the inflation gun 606 is connected with the third servo motor 603 through a coupler, and the other end of the inflation gun 606 sequentially penetrates through the bearing assembly 604 and the intermediate support mechanism 605;
The specific structure of the intermediate support mechanism 605 is as follows:
The device comprises a middle supporting plate 607 with a hole, wherein the hole of the middle supporting plate 607 is matched with one side of a rotating disc 609 through a bearing 608, a plurality of bracket fixing seats 610 are uniformly distributed on the other side of the rotating disc 609 along the radial direction, a pair of roller mounting plates 611 are mounted on each bracket fixing seat 610, adjusting holes 616 are formed on each roller mounting plate 611 along the horizontal direction, spring holes 615 communicated with the adjusting holes 616 are formed on each roller mounting plate 611 along the vertical direction, the rollers 612 are matched in the adjusting holes 616 through pin shafts 614, and springs 613 are further arranged in each spring hole 615.
the specific working process of the utility model is as follows;
Facing the product to the outer frame 3, as shown in fig. 1, 7, 9 and 10, the first lifting motor 3035 is started and distributes power to the angle steering gear 3038 through the vertical steering gear 3036 and the first transmission shaft 3037, the angle steering gear 3038 transmits the power to the second lead screw nut seat 3029 through the coupling, and since the second lead screw nut seat 3029 is connected with the tube expanding platform assembly 5 through the transition connecting plate 514 and the outer side of the tube expanding platform assembly 5 is also connected with the second linear guide rail 3023 through the adjusting pad 3025 and the second slide block 3024 in a sliding manner, the tube expanding platform assembly 5 is lifted and lowered relative to the outer frame 3, so as to adjust the height position; after the adjustment is finished, the third transmission device works, the second servo motor 501 drives the third ball screw 509 to rotate through the coupling 506, so that the linear motion of the third screw nut seat 511 on the third ball screw 509 is realized, the linear motor assembly 6 with the expansion gun 606 moves to a position where pipe expansion is needed, the moving processes of the linear motor assemblies 6 are independent, and the linear motor assemblies 6 are connected with the supporting seat 513 connected with the third sliding block 512, so that the stability of the linear motor assemblies 6 is better in the moving process. Because the length of the expansion gun 606 is long, the middle supporting mechanism 605 is designed for ensuring the straightness of the expansion gun 606, and for ensuring that the expansion gun 606 cannot be abraded with the middle supporting mechanism 605 in the rapid sliding process, the uniformly distributed rollers 612 are arranged to be in contact with the periphery of the expansion gun 606, so that the self-rotation function of the middle supporting mechanism 605 is realized, and meanwhile, the elastic floating of the rollers 612 can be realized through the springs 613 and the kidney-shaped adjusting holes 616 so as to ensure the contact of the rollers 612 with the periphery of the expansion gun 606; because the expansion gun 606 rotates through the third servo motor 603, a bearing 608 is further arranged in the middle support mechanism 605 to ensure the revolution of the expansion gun 606, and finally the linear motor 601 drives the expansion gun 606 to extend into the hole of the product to be expanded for working.
If the product that needs the expand tube is more when exceeding the utility model discloses a processing plane, each product is arranged the back, when finishing with the relative a batch product processing of outer frame 3, as shown in fig. 4, first servo motor 109 starts and drives first ball screw 112 and rotate among the first transmission, make linear motion on first ball screw 112 with first lead screw nut seat 113 of first ball screw 112 spiro union, drive moving platform 2 through nut seat connecting plate 205 and follow-up to realize outer frame 3's bulk movement and make the processing plane correspond with the product.
In order to achieve leveling of the entire outer frame 3 relative to the moving platform 2 and the fixed platform 1, adjustment is made by a plurality of adjusting bolt seats 117 in the fixed platform 1, so that the outer frame 3 is leveled relative to the ground.
when searching for a hole of a product to be expanded, in order to ensure concentricity of the hole and the expansion gun 606, the pitch angle of the outer frame 3 needs to be adjusted, as shown in fig. 11, the adjustment is performed by the second lifting motor 401, the lifting box 402, the lifting machine base 403 and the lifting machine screw 405, and the outer frame 3 rotates relative to the single-lug connector 3014 and the pin shaft through the first double-lug seat 208 in the adjustment process, so that the switching of the pitch angle is realized.
The utility model discloses simple structure, convenient to use not only can realize outer frame for fixed platform's displacement, expand tube platform assembly and realize linear electric motor assembly for the displacement of expand tube platform assembly for outer frame through increasing a plurality of transmission to satisfy the expand tube work of different positions on the product, satisfy the expand tube demand of unidimensional product.
The utility model discloses an increase middle support mechanism, set up the running roller and the spring of equipartition in middle support mechanism, its external diameter that can self-adaptation expand the rifle carries out self-adaptation regulation, can not only avoid the flagging problem of bloated rifle overlength, can also realize simultaneously that the rifle rotation that expands avoids it to carry out dry grinding with middle support mechanism to the life of the rifle that expands has been improved. In addition, the revolution of the expansion gun can be realized by arranging the bearing, so that the expansion gun can perform pipe expansion more stably.
This the utility model discloses can realize the uniformity of expand tube moment of torsion, be difficult for omitting the hole site to the expand tube work of porous class product, accomplish quick, accurate expand tube work. Can realize through arranging angle adjustment mechanism the utility model discloses a rectify and to satisfy the processing needs, still set up a plurality of adjusting bolt bases in addition on fixed platform, its ground that can realize fixed platform is laid, satisfies different levelness is laid, makes the utility model discloses the levelness of structure is unanimous.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (10)
1. Automatic electric tube expander with multi freedom, its characterized in that: the device comprises a fixed platform (1), wherein a moving platform (2) is connected with the moving platform (2) through a first transmission device, so that the moving platform (2) can do linear motion relative to the fixed platform (1) through the first transmission device; the movable platform (2) is connected with the bottom of the outer frame (3) through a supporting mechanism, and is connected with the tube expansion platform assembly (5) in the outer frame (3) through a second transmission device, so that the tube expansion platform assembly (5) can make linear motion relative to the outer frame (3) through the second transmission device; the pipe expanding platform assembly (5) is further connected with a plurality of linear motor assemblies (6) through a plurality of third transmission devices, each linear motor assembly (6) makes linear motion relative to the pipe expanding platform assembly (5) through the third transmission devices, the moving end of each linear motor assembly (6) is further connected with one end of a pipe expanding gun (606) through a driving mechanism, and the other end of the pipe expanding gun (606) sequentially penetrates through the bearing assembly (604) and the middle supporting mechanism.
2. The automatic pipe expander with multiple degrees of freedom of claim 1, wherein: the fixed platform (1) has the following specific structure:
the device comprises a middle underframe (103) provided with a first transmission device, wherein a plurality of longitudinal underframe (101) are respectively connected along two sides of the middle underframe (103), and a plurality of transverse underframe (102) are parallel to the middle underframe (103) and penetrate through each longitudinal underframe (101); backing plates (104) are uniformly arranged on the surfaces of the transverse bottom frames (102), first linear guide rails (105) are arranged on the backing plates (104), the first linear guide rails (105) are in sliding connection with first sliding blocks (106), and moving plates (107) used for butting the moving platforms (2) are arranged on the first sliding blocks (106).
3. The automatic pipe expander with multiple degrees of freedom of claim 2, wherein: the first transmission device comprises a motor mounting seat (108), a first connecting seat (110) and a second connecting seat (114) which are fixedly connected to the surface of the middle underframe (103), wherein the first connecting seat (110) and the second connecting seat (114) are respectively provided with a first lead screw connecting seat (111), a first servo motor (109) is arranged on the motor mounting seat (108), one end of a first ball screw (112) is matched with the first lead screw connecting seat (111) arranged on the second connecting seat (114), the other end of the first ball screw (112) penetrates through a first screw connecting seat (111) on the first connecting seat (110) and is connected with the output end of a first servo motor (109) through a coupler, a first lead screw-nut seat (113) is also screwed on the first ball screw (112), and the first lead screw-nut seat (113) forms a moving end of the first transmission device.
4. the automatic pipe expander with multiple degrees of freedom of claim 2, wherein: a plurality of sleeve seat mounting grooves (115) are formed in each longitudinal underframe (101) along the axial direction, the groove surfaces of the sleeve seat mounting grooves (115) are matched with the support leg sleeve seats (116), and adjusting bolt bases (117) used for adjusting the height of the longitudinal underframe (101) are arranged in the support leg sleeve seats (116).
5. the automatic pipe expander with multiple degrees of freedom of claim 1, wherein: the mobile platform (2) has the following specific structure:
The transmission device comprises a middle steel frame (204), a plurality of transverse steel frames (203) are distributed on two sides of the middle steel frame (204) and are parallel to the middle steel frame (204), a longitudinal steel frame (202) is further connected between the end parts of two middle transverse steel frames (203) on the outermost side, a reinforcing steel frame (206) is further arranged between two adjacent transverse steel frames (203), gusset plates (207) are fixedly connected to the upper surface and the lower surface of each transverse steel frame (203) on the left side and the right side of the middle steel frame (204), and a nut seat connecting plate (205) used for being in butt joint with a moving end of a first transmission device is further arranged at the bottom of the middle steel frame (204);
The specific structure of the outer frame (3) is as follows:
The device comprises a lower frame assembly (301), wherein two ends of the lower frame assembly (301) are butted with the lower ends of a pair of side frame assemblies (302) along the vertical direction, and the upper end of each side frame assembly (302) is connected with an upper frame assembly (303);
The lower frame assembly (301) comprises a plurality of transverse steel beams (3011) which are arranged at intervals, and a plurality of longitudinal steel beams (3012) penetrate through the transverse steel beams (3011) and are distributed at the center and two sides of the transverse steel beams (3011); a plurality of small cross beams (3013) are further penetrated between the adjacent transverse steel beams (3011), and each small cross beam (3013) is parallel to the longitudinal steel beam (3012);
the side frame assembly (302) comprises a cross beam (3021) provided with a second transmission device, a plurality of vertical beams (3022) arranged at intervals are arranged on the cross beam (3021) along the vertical direction, a second linear guide rail (3023) is arranged on each vertical beam (3022), each second linear guide rail (3023) is connected with a second slider (3024) in a sliding manner, and an adjusting pad (3025) is arranged on each second slider (3024); the bottom of each vertical beam (3022) is butted with a transverse steel beam (3011) of the lower frame assembly (301);
The specific structure of the upper frame assembly (303) is as follows:
The steel plate girder comprises a pair of middle main girders (3032) which are arranged at intervals, wherein two sides of the pair of middle main girders (3032) are respectively provided with side main girders (3031) which are parallel to the middle main girders (3032), and side cross beams (3033) and angle steel (3034) are respectively connected between the adjacent side main girders (3031) and the middle main girders (3032).
6. The automatic pipe expander with multiple degrees of freedom of claim 5, wherein: the second transmission device comprises a pair of second screw rod connecting seats (3026) and ball screw limiting seats (3027) which are arranged on any vertical beam (3022), a second ball screw (3028) is arranged between the adjacent second screw rod connecting seats (3026), a second screw nut seat (3029) is connected to the second ball screw (3028) in a threaded manner, and the second screw nut seat (3029) forms a moving end of the second transmission device; one end of each second ball screw (3028) extends out of the second screw connecting seat (3026) and is connected with the power output end of the angle steering gear (3038) through a coupler, the power input end of each angle steering gear (3038) is connected with the output end of the vertical steering gear (3036) through a first transmission shaft (3037), and the input end of the vertical steering gear (3036) is connected with the first lifting motor (3035); the vertical steering gear (3036) and the angle steering gear (3038) are fixedly connected to a steering gear base plate (3039), and each steering gear base plate (3039) is fixedly connected with the surface of the middle main beam (3032).
7. the automatic pipe expander with multiple degrees of freedom of claim 5, wherein: the lifting mechanism is characterized by further comprising (4) an angle adjusting mechanism, wherein the angle adjusting mechanism (4) comprises a plurality of groups of bearing seats (404) arranged on the lower frame assembly (301), lifting machine bases (403) are connected between the adjacent bearing seats (404), each lifting machine base (403) is provided with a lifting box body (402) controlled by a second lifting motor (401) to lift, a lifting screw (405) is arranged in each lifting box body (402), one end, extending out of the lifting box body (402), of each lifting screw (405) is in pin joint with a first double-lug seat (208) arranged on the longitudinal steel frame (202), and a second transmission shaft (406) is connected between the adjacent lifting box bodies (402) and used for keeping synchronization.
8. The automatic pipe expander with multiple degrees of freedom of claim 5, wherein: and single-lug joints (3014) are further arranged at intervals on the inner side of one longitudinal steel beam (3012) on the outermost side in the lower frame assembly (301), each single-lug joint (3014) is in pin joint with a second double-lug seat (209) installed on the longitudinal steel frame (202) through a pin shaft, and each second double-lug seat (209) and each single-lug joint (3014) form a supporting mechanism between the moving platform (2) and the outer frame (3).
9. The automatic pipe expander with multiple degrees of freedom of claim 1, wherein: the tube expansion platform assembly (5) comprises a plurality of long cross beams (502) and long longitudinal beams (503) which are arranged in a staggered mode, third linear guide rails (510) are arranged on the long longitudinal beams (503) respectively, the third linear guide rails (510) are connected with third sliding blocks (512) in a sliding mode, and supporting seats (513) used for butting the linear motor assemblies (6) are arranged on the surfaces of the third sliding blocks (512); short longitudinal beams (504) are further arranged between the adjacent long transverse beams (502);
the third transmission device comprises a pair of third lead screw nut seats (511), one end of a third ball screw (509) is matched with one of the third lead screw nut seats (511), the other end of the third ball screw (509) extends out of the other third lead screw nut seat (511) and is connected with the output end of each second servo motor (501) arranged on a second servo motor backing plate (505) through a third lead screw connecting seat (508) and a coupling (506), the third lead screw connecting seat (508) is connected with the second servo motor backing plate (505) through a fixed side seat (507), and the third ball screw (509) is further in threaded connection with the third lead screw nut seat (511) used for abutting against the linear motor assembly (6).
10. the automatic pipe expander with multiple degrees of freedom of claim 9, wherein: the linear motor assembly (6) has the following specific structure:
the automatic gun expansion device comprises a linear motor (601), wherein a moving end of the linear motor (601) is fixedly connected with a third servo motor (603) through a motor mounting plate (602), and a bearing assembly (604) and an intermediate support mechanism (605) for realizing the revolution or rotation of an expansion gun are further sequentially arranged on a base of the linear motor (601);
The specific structure of the intermediate support mechanism (605) is as follows:
the device comprises a middle supporting plate (607) with a hole, wherein the hole of the middle supporting plate (607) is matched with one side of a rotating disc (609) through a bearing (608), a plurality of bracket fixing seats (610) are uniformly distributed on the other side of the rotating disc (609) along the radial direction, a pair of roller mounting plates (611) are mounted on each bracket fixing seat (610), an adjusting hole (616) is formed in each roller mounting plate (611) along the horizontal direction, a spring hole (615) communicated with the adjusting hole (616) is formed in each roller mounting plate (611) along the vertical direction, the roller (612) is matched in the adjusting hole (616) through a pin shaft (614), and a spring (613) is further arranged in each spring hole (615).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168532.4U CN209736478U (en) | 2019-01-30 | 2019-01-30 | automatic pipe expander with multiple degrees of freedom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168532.4U CN209736478U (en) | 2019-01-30 | 2019-01-30 | automatic pipe expander with multiple degrees of freedom |
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| CN209736478U true CN209736478U (en) | 2019-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702101A (en) * | 2019-01-30 | 2019-05-03 | 无锡东逸电液伺服技术有限公司 | With multivariant automatic tube expanding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702101A (en) * | 2019-01-30 | 2019-05-03 | 无锡东逸电液伺服技术有限公司 | With multivariant automatic tube expanding machine |
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