CN114918604A - Carriage propelling movement and turning device - Google Patents
Carriage propelling movement and turning device Download PDFInfo
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- CN114918604A CN114918604A CN202210657256.4A CN202210657256A CN114918604A CN 114918604 A CN114918604 A CN 114918604A CN 202210657256 A CN202210657256 A CN 202210657256A CN 114918604 A CN114918604 A CN 114918604A
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- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 230000007306 turnover Effects 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008439 repair process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention provides a carriage pushing and overturning device, which comprises a piece discharging pushing device for conveying a carriage and a carriage overturning device for overturning the carriage, wherein the piece discharging pushing device is used for conveying the carriage; the discharging pushing device comprises a pushing device used for pushing the carriage forwards and a first supporting roller set used for supporting the carriage; the first supporting roller sets are arranged on two sides of the pushing device; the pushing device comprises a two-stage pushing mechanism; the carriage turnover device is used for clamping the carriage and placing the carriage to the next station after turning the carriage for a specified angle; the carriage turnover device comprises a turnover shaft arranged on a turnover seat, a turnover frame connected with the turnover shaft and a turnover driving mechanism used for driving the turnover shaft to rotate, wherein a balance weight is arranged on the turnover shaft, and a turnover fixture used for clamping a carriage is arranged on the turnover frame. The invention is convenient for transferring the carriage from the previous station to the next station, realizes posture conversion and is beneficial to improving the production beat and efficiency.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a carriage pushing and turning device.
Background
When the existing carriage assembly is welded, a front plate, side plates and a bottom plate need to be welded together, usually at a preparation station, the front plate, the left side plate, the right side plate and the bottom plate are positioned by corresponding combined fixtures and then are conveyed to an operation position, and each point is welded manually; the carriage needs to be welded on the back and the front is also welded; in the prior art, the carriage is turned over through a hoisting mechanism after the back surface is welded, the front surface is welded after the carriage is clamped again, two times of welding and turning are completed on the same station, and the production efficiency is low.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a carriage pushing and overturning device, which facilitates the transfer and overturning of the carriage between the front and rear stations, and improves the production efficiency.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a carriage pushing and overturning device comprises a piece-discharging pushing device for conveying a carriage and a carriage overturning device for overturning the carriage;
the discharging piece pushing device comprises a pushing device used for pushing the carriage forwards and a first supporting roller set used for supporting the carriage; the first supporting roller sets are arranged on two sides of the pushing device; the pushing device comprises a base, a primary pushing mechanism arranged on the base and a pushing supplementing mechanism arranged on the primary pushing mechanism, the primary pushing mechanism comprises a conveying sliding table and a first driving mechanism used for driving the conveying sliding table to move back and forth, and a clamping mechanism used for clamping a carriage is arranged on the conveying sliding table; the pushing supplementing mechanism is arranged on the transmission sliding table and comprises a pushing frame and a second driving mechanism for driving the pushing frame to rotate between a working position and a folding position, and when the pushing frame is at the folding position, the pushing frame is lower than the carriage and can avoid the carriage; when the push frame is in the working position, the push frame is abutted against the rear part of the carriage to push the carriage to move forwards to the carriage turnover device;
the carriage turnover device is used for clamping the carriage and placing the carriage to the next station after turning the carriage for a specified angle; the carriage turning device comprises a turning shaft arranged on a turning seat, a turning frame connected with the turning shaft and a turning driving mechanism used for driving the turning shaft to rotate, wherein a balance weight is arranged on the turning shaft, the balance weight and the turning frame are respectively positioned on two sides of the turning shaft, a turning fixture used for clamping a carriage is arranged on the turning frame, and the carriage turning device further comprises a second supporting roller set used for bearing the carriage.
Optionally, clamping mechanism includes first chuck, second chuck and the drive assembly that first chuck of drive and second chuck closed up and kept away from, drive assembly includes first driving cylinder and engaged with first driving gear and first driven gear, first chuck and first driving gear connection and synchronous rotation, second chuck and first driven gear connection and synchronous rotation, the afterbody of first driving cylinder rotationally installs on carrying the slip table through first mount pad, the output of first driving cylinder passes through the connector and articulates with first chuck to can drive first chuck and rotate.
Optionally, the conveying sliding table is provided with a clamping seat, the first chuck, the second chuck, the first driving gear and the first driven gear are all mounted on the clamping seat, the clamping seat is provided with a first limiting block used for limiting the minimum gap between the first chuck and the second chuck, and the first limiting block is located between the first chuck and the second chuck.
Optionally, the second actuating mechanism includes actuating cylinder, main arm, the effect arm and second driving gear and the second driven gear of meshing mutually, but main arm and the second driving gear connection of pushing away rotates in step, the effect arm is connected with the second driven gear and rotates in step, push away the frame setting on the effect arm, the actuating cylinder is connected with main arm of pushing away for it rotates to drive main arm of pushing away, with pushing away the frame rotation through second driving gear and the driven gear wheel drive effect arm of second and.
Optionally, be provided with on carrying the slip table and push away the seat, main arm, action arm, second driving gear and the second driven gear of pushing away all install on pushing away the seat, the afterbody of driving cylinder passes through the tailstock and rotationally installs on carrying the slip table, the output of driving cylinder passes through the connector and pushes away the arm with main articulated.
Optionally, the supplement-push mechanism is arranged at one end of the conveying sliding table close to the turnover device, and the clamping mechanism is arranged at one end of the conveying sliding table far away from the turnover mechanism.
Optionally, the complementary pushing mechanism further comprises a limiting structure for limiting the maximum rotation range of the main pushing arm or the acting arm, and a detection element for detecting the maximum rotation position of the main pushing arm.
Optionally, the overturning fixture comprises a left clamping mechanism and a right clamping mechanism which are symmetrically arranged, each clamping mechanism comprises a supporting mechanism for supporting the lower part of the carriage front plate, a front plate clamping mechanism for clamping the upper part of the carriage front plate, a side plate upper beam front part clamping mechanism for clamping the front part, the middle part and the rear part of the side plate upper beam of the carriage, a side plate upper beam middle part clamping mechanism and a side plate upper beam rear part clamping mechanism, wherein the front plate clamping mechanisms are fixed in position or can be adjusted forwards and backwards.
Optionally, the left side and the right side of the overturning fixture are respectively provided with a limiting structure for preventing the carriage from sliding out of the clamping position in the left-right direction.
Optionally, the second supporting roller group is a lifting roller group and comprises a lifting driving cylinder, a mounting frame and a guide mechanism, the lifting driving cylinder is mounted on the lifting base, a plurality of supporting rollers are mounted on the mounting frame, the lifting driving cylinder is connected with the mounting frame to drive the lifting driving cylinder to lift, and the guide mechanism comprises a guide hole formed in the lifting base and a guide column connected below the mounting frame.
As mentioned above, the beneficial effects of the invention are: the discharging and pushing device is used for clamping and pulling out the carriage from a previous station, sending the carriage to the second supporting roller group of the carriage overturning device through the two-stage conveying mechanism, overturning the carriage after clamping through the overturning clamp, and ensuring that the carriage does not fall off in the overturning process through the overturning clamp, so that the carriage overturning device is used for overturning the carriage so as to be convenient for welding at the next station.
Drawings
FIG. 1 is a schematic illustration of the transfer and inversion of a car between front and rear stations (with a car) in one embodiment;
FIG. 2 is a schematic structural diagram of a piece-discharging pushing device and a carriage overturning device in one embodiment;
FIG. 3 is a schematic diagram of the pushing mechanism in one embodiment;
FIG. 4 is a perspective view of a complementary pushing mechanism in one embodiment;
FIG. 5 is a front view of an embodiment of a complementary pushing mechanism;
FIG. 6 is a schematic diagram of the clamping mechanism in one embodiment;
FIG. 7 is a schematic structural view of a wagon inverting apparatus according to an embodiment;
FIG. 8 is a schematic view of the roll-over stand and a side clamp in one embodiment;
FIG. 9 is a schematic structural view of a support mechanism in one embodiment;
FIG. 10 is a schematic view of various clamps used to clamp the left and right side panel edge beams in one embodiment;
FIG. 11 is a schematic view showing the lower structure of a front plate clamping mechanism in one embodiment;
FIG. 12 is a schematic top view of a front plate clamping mechanism in one embodiment;
FIG. 13 is a schematic view of a carriage limiting structure in one embodiment;
fig. 14 is a schematic structural view of a car lifting roller group in one embodiment.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Examples
As shown in fig. 1, this example illustrates a carriage pushing and overturning device for transferring and overturning a carriage 100 (or called a hopper) between front and rear stations, where the carriage includes a bottom plate, a left side plate, a right side plate, and a front plate; the carriage pushing and overturning device comprises a piece pushing device 200 and a carriage overturning device 300; the fore-aft orientation in this example is with reference to the car passing from the rear to the front; the part discharging and pushing device 200 is used for receiving a carriage welded from a previous station and conveying the carriage to the carriage turnover device 300; the carriage turnover device 300 is used for clamping and turning the carriage for a specified angle, placing the carriage to a next station (such as the carriage repair welding device 400), welding a position needing repair welding, turning 180 degrees in the example, namely, performing repair welding on the other side of the carriage, wherein the carriage turnover device 300 comprises a structure for clamping and turning the carriage;
as shown in fig. 2, in one embodiment, the ejector pusher 200 includes a pusher 21 and first support roller sets 22 located at both sides of the pusher 21, the first support roller sets 22 are supported by a support frame for bearing the weight of the car, and the first support roller sets 22 extend from a previous station to the car turnover device 300;
as shown in fig. 3, the pushing device 21 includes a base, a primary pushing mechanism disposed on the base, and a push supplementing mechanism 23 disposed on the primary pushing mechanism, wherein the primary pushing mechanism includes a conveying sliding table 213 and a first driving mechanism for driving the conveying sliding table 213 to move forward and backward, a clamping mechanism 24 for clamping a carriage is disposed on the conveying sliding table 213, and in this example, the clamping mechanism 24 is used for clamping a front plate of the carriage, that is, clamping in the forward and backward directions; the complementary pushing mechanism 23 is arranged on the transmission sliding table 213 and comprises a pushing frame 238 and a second driving mechanism for driving the pushing frame 238 to rotate between the working position and the folding position, when the pushing frame 238 is at the folding position, the pushing frame is lower than the carriage and can avoid the carriage, and the carriage passes through the pushing frame 238 and moves to the front of the pushing frame 238; when in the working position, the pushing frame 238 abuts against the rear of the car 100, and can push the car 100 to move forward, for example, abut against the rear of the floor.
As shown in fig. 7, the car turning device 300 includes a base 31, a turning shaft 34 disposed on the base 31, a turning frame 33 connected to the turning shaft 34, and a turning driving mechanism for driving the turning shaft 34 to rotate, the turning driving mechanism includes a motor 311 and a speed reducing mechanism 312, the turning shaft 34 is rotatably mounted on the base 31, and can rotate back and forth under the action of the turning driving mechanism, wherein a turning clamp for clamping the car is disposed on the turning frame 33, a counterweight 32 is disposed on the turning shaft 34 so as to keep balance with the turning clamp and the workpiece, and the counterweight 32 and the turning frame 33 are disposed on two sides of the turning shaft respectively. The carriage turnover device further comprises a second supporting roller group used for bearing the carriage, and the second supporting roller group is used for bearing the carriage from the first supporting roller group.
With the above structure, when the carriage is transported, the clamping mechanism 24 is opened and clamped on the carriage 100, and the clamping mechanism 24 is used for clamping the carriage from the previous station and pulling out the carriage from the previous station under the action of the primary pushing mechanism. The first driving mechanism drives the conveying sliding table 213 to move forward, and further drives the carriage to move forward along the first supporting roller group 22; after the carriage moves to the designated position, the clamping mechanism 24 is opened, the carriage moves forward to the front of the pushing frame 238 under the action of inertia, at this time, the pushing frame 238 is driven by the second driving mechanism to turn forward and lift up and is abutted against the rear of the bottom plate of the carriage, the second driving mechanism continuously turns from 0 degree to 90 degrees to push the pushing frame 238 to turn forward, and therefore the carriage is further pushed forward to the required position, which is equivalent to realizing secondary pushing and fine adjustment.
The carriage shown in fig. 1 is in a reverse buckling state, wherein the side plate and the front plate of the carriage are downward, and the bottom plate of the carriage is upward; the carriage 100 is clamped by the clamping mechanism 24, and then the conveyance slide table 213 is driven by the conveyance driving mechanism to move toward the carriage reversing device 300, thereby conveying the carriage to the carriage reversing device 300. The carriage 100 is in a state of facing downward on the piece-out pushing device 200; after the carriage is turned over by the carriage turning device 300, the carriage is in a state of being right-side-up on the carriage repair welding device 400 (the next station).
As shown in fig. 6, the clamping mechanism 24 includes a first chuck 243, a second chuck 246, and a driving assembly for driving the first chuck 243 and the second chuck 246 to move toward and away from each other, the driving assembly includes a first driving cylinder 241, a first driving gear 244 and a first driven gear 245, the first driving gear 244 is engaged with the first driven gear 245, the first chuck 243 is fixedly connected with the first driving gear 244 and can rotate synchronously, the second chuck 246 is connected with the first driven gear 245 and can rotate synchronously, the tail of the first driving cylinder 241 is rotatably mounted on the conveying sliding table 213, the front end of the first driving cylinder 241 is hinged with the first chuck 243 through a connector and can drive the first chuck 243 to rotate, the rotation center of the first chuck 243 is the same as that of the first driving gear 244, the first chuck 243, the second chuck 246, the first driving gear 244 and the first driven gear 245 are all mounted on the chuck 242, the holder 242 is mounted on the conveying slide table 213.
Soft cushion blocks can be arranged on the opposite surfaces of the first clamping head 243 and the second clamping head 246, so that the front plate of the carriage is prevented from being damaged; in this example, in order to avoid damaging the car, a first stopper 247 is disposed between the first clamp 243 and the second clamp 246 to limit a minimum gap between the first clamp 243 and the second clamp 246; of course, the first detecting element 248 may be disposed on the holder 242 corresponding to the open position and the clamping position of the first chuck 243 to detect whether the first chuck is in place, the sensing element 249 may be disposed on the first chuck 243, the first detecting element 248 may be a proximity switch, a photoelectric sensor, etc., and the sensing element 249 may be a sensing block.
According to the structure, the gear pair is adopted to drive the two chucks to approach and move away, so that synchronous movement is realized, the carriage front plate is conveniently and synchronously clamped, and the structure is simple; when the clamping mechanism clamps the car, the car is in a state of upside down (i.e. reverse to the use state), the clamping mechanism is clamped on the front plate, and the front face of the car is upward after the car is turned by the car turning device 300, as shown in fig. 1.
In this embodiment, the frame 210 is provided with a base 211, two linear slide rails 212 are mounted on the base 211, the conveying sliding table 213 is supported on the linear slide rails 212, the conveying driving mechanism includes a driving motor 251 and a screw-nut pair mounted on the base 211, the driving motor 251 is connected with the screw rod 252 through a coupler, the nut is sleeved on the screw rod 252, and the nut is fixedly connected with the bottom of the conveying sliding table 213, so that the conveying sliding table 213 is driven to move back and forth through the screw-nut pair, and the carriage is turned back after being conveyed to the downstream.
Wherein, carry and be provided with benefit push mechanism 23 on the slip table 213, carry actuating mechanism and screw-nut pair to form one-level push mechanism promptly, benefit push mechanism 23 forms second grade push mechanism, and the problem that carries the slip table and can't get into carriage turning device position can be overcome in the two-stage propelling movement, and the long-line of being convenient for is carried.
As shown in fig. 4 and 5, the complementary pushing mechanism 23 includes a driving cylinder 231, a main pushing arm 234, an acting arm 237, and a second driving gear 235 and a second driven gear 236 engaged with each other, wherein the main pushing arm 234 is connected with the second driving gear 235 and can rotate synchronously, the acting arm 237 is connected with the second driven gear 236 and can rotate synchronously, and a pushing frame 238 for complementary pushing the carriage is arranged on the acting arm 237; the main pushing arm 234, the acting arm 237, the second driving gear 235 and the second driven gear 236 are all installed on the pushing seat 233, the pushing seat 233 is fixed on the conveying sliding table 213, the tail of the driving cylinder 231 is hinged to the conveying sliding table 213, the driving rod of the driving cylinder 231 is hinged to the main pushing arm 234 through the joint 232 and is used for driving the main pushing arm 234 to rotate, and therefore the acting arm 237 and the pushing frame 238 are driven to rotate through a gear pair formed by the second driving gear 235 and the second driven gear 236. Specifically, when the driving cylinder 231 extends, the main pushing arm 234 is pushed to rotate, and the main pushing arm 234 rotates and simultaneously drives the second driving gear 235 to rotate inwards, so as to drive the second driven gear 236 and the acting arm 237 to rotate inwards, at this time, the pushing frame 238 rotates forwards and lifts upwards, and the pushing frame 238 abuts against the rear of the floor, so as to push the carriage to move forwards. In this example, the driving cylinder 231 is an air cylinder, and in other embodiments, other power members such as a hydraulic cylinder may be used for the driving cylinder 231.
In this example, in order to increase the conveying stroke, the pushing supplement mechanism 23 is arranged at one end of the conveying sliding table 213 close to the carriage turnover device 300, and the clamping mechanism 24 is arranged at one end (rear end) of the conveying sliding table 213 close to the previous station; the complementary pushing mechanism 23 has a working position and a folding position, when in the folding position, the positions of the action arm 237 and the pushing frame 238 are lower than the carriage, and the action arm and the pushing frame 238 can avoid the carriage to pass through the pushing frame 238 until the bottom plate is positioned at the front side of the pushing frame 238; when in the working position, the push frame 238 abuts against the rear of the floor of the car, pushing the car forward. The push frame 238 in this example includes a cross bar and two push rods connected to the cross bar, and other embodiments may be configured differently depending on the car.
In one embodiment, the complementary pushing mechanism 23 further includes a limiting structure 239 for limiting a maximum rotation range of the main pushing arm 234 or the acting arm 237, the limiting structure 239 is a second limiting block, and the second limiting block is mounted on the pushing base 233, located between the main pushing arm 234 and the acting arm 237, and located laterally above the main pushing arm 234, so as to ensure that a rotation angle and a pushing stroke meet requirements.
The complementary pushing mechanism 23 is further provided with a detecting element for detecting the rotation position of the main pushing arm 234, specifically, a detecting block 23a is provided on the main pushing arm 234, and a second detecting element 23b, such as a photoelectric switch or a proximity switch, is provided on the pushing base 233 corresponding to the initial position and the maximum rotation position of the main pushing arm 234 to detect whether the main pushing arm 234 reaches the position.
As shown in fig. 7 to 13, in one embodiment, the car turning device 300 includes a base 31, a turning shaft 34 disposed on the base 31, a turning frame 33 connected to the turning shaft 34, and a turning driving mechanism for driving the turning shaft 34 to rotate, the turning driving mechanism includes a motor 311 and a speed reducing mechanism 312, the turning shaft 34 is rotatably mounted on the base 31 and can rotate back and forth under the action of the turning driving mechanism, wherein a turning fixture for clamping the car is disposed on the turning frame 33, a counterweight 32 is disposed on the turning shaft 34 so as to be balanced with the turning fixture and the workpiece, and the counterweight 32 and the turning frame 33 are respectively disposed on two sides of the turning shaft.
The turning frame 33 comprises two connecting arms 331 and two brackets 332, each connecting arm 331 is of an L-shaped structure, the upper end of each connecting arm 331 is fixed with the turning shaft 34, the lower end of each connecting arm is connected with the brackets 332, the brackets 332 are horizontally arranged, and the turning clamp is arranged on the brackets 332.
Wherein, the upset anchor clamps include the left and right sides two sets of fixture that the symmetry set up, and every fixture of group includes: the supporting mechanism 36 (the carriage front plate lower part that corresponds to the open normal condition of carriage up) for supporting carriage front plate lower part is used for pressing from both sides the front plate clamping mechanism 38 on carriage front plate upper portion, is used for pressing from both sides the anterior clamping mechanism 371 of sideboard entablature, middle part, rear portion of the carriage sideboard entablature, sideboard entablature middle part clamping mechanism 372 and sideboard entablature rear portion clamping mechanism 373 at tight carriage sideboard entablature respectively, wherein the rigidity or the adjustable front and back of front plate clamping mechanism 38.
In this example, in order to adapt to carriages with different lengths, the front clamping mechanism 371 and the rear clamping mechanism 373 of the side plate upper beam are respectively arranged into a front group and a rear group, and a group of second rear clamping mechanisms 374 is further arranged behind the rear clamping mechanism 373 of the side plate upper beam; each group of clamping mechanisms clamps the left side plate and the right side plate from the edge of the inner side of the carriage; as shown in fig. 10, each group of clamping mechanisms has a similar structure, and comprises a clamping seat 37a, a clamping driving cylinder 37b arranged on the clamping seat 37a, and a lower clamping head 37c fixed on the clamping seat 37 a; the upper chuck 37d is rotatably mounted on the chuck base 37a up and down, the tail of the upper chuck 37d is hinged to the chuck actuating cylinder 37b through a connecting rod, and the upper chuck 37d is driven by the chuck actuating cylinder 37b to move toward or away from the lower chuck 37 c.
As shown in fig. 7 and 13, in one embodiment, a carriage stopper structure 39 is further provided on the outer side of the left and right groups of gripping mechanisms to prevent the carriage from sliding out of the clamping position in the left-right direction. The carriage limiting structure 39 comprises a supporting beam 391, and a limiting cylinder 393 and a limiting head 394 which are arranged on the supporting beam 391 through a limiting seat 392, wherein the limiting cylinder 393 drives the limiting head 394 to extend or retract, and stops at the outer sides of the left side plate and the right side plate of the carriage when extending to limit the carriage; the number of the limiting heads 394 is the same as that of the clamping mechanisms for clamping the left side plate and the right side plate, and the limiting heads are arranged opposite to each other one by one so as to ensure the balance and stability of stress. In this example, a stop 395 is provided to limit the maximum distance that the restraint head 394 extends to avoid damaging the car.
As shown in fig. 9, the supporting mechanism 36 is used for supporting the front panel from the front to prevent the car from deforming and falling when the car is turned over, and includes a first flat pushing cylinder 361, a supporting block 363 connected to an end of the first flat pushing cylinder 361, and a stop block 364 for limiting a maximum flat pushing stroke, wherein the stop block 364 blocks a side of the supporting block 363 facing the front panel, specifically, the first flat pushing cylinder 361 is installed on the roll-over stand 33, a flat pushing seat 362 is connected to an output end of the first flat pushing cylinder 361, the supporting block 363 is disposed on the flat pushing seat 362, and the stop block 364 blocks a side of the flat pushing seat 362 facing the car, as shown in fig. 9.
As shown in fig. 7, 11 and 12, the front plate clamping mechanism 38 clamps the front plate in the front-to-rear direction and includes a front clamp 388 and a rear clamp 385, one of which is fixed and the other of which is movable and can be pushed by an air cylinder. The position of the front plate clamping mechanism 38 in this example can be adjusted fore and aft to accommodate car clamping of different sizes.
Specifically, the front plate clamping mechanism 38 includes a slide 383 mounted on the bracket 332 movably back and forth by a slide rail 382, and an air cylinder 381 for driving the slide 383 back and forth, a front chuck 388 and a rear chuck 385 are mounted on the slide 383, and an air cylinder for driving the front and rear chucks to open and close is also mounted on the slide 383, so that the entire chuck mechanism can be driven by the slide 383 to move back and forth.
Specifically, front clamp 388 is connected to second racking cylinder 387, and second stop block 389 is provided to limit the extension range of front clamp 388; the rear chuck 385 is connected with a second clamping cylinder 384 and is driven to rotate by the second clamping cylinder 384 to be matched with the front chuck 388 to clamp the front plate; before the front plate enters, the second pushing cylinder 387 and the second clamping cylinder 384 are retracted to avoid the carriage; when the car is loaded, second racking cylinder 387 extends to bring the front clamp head into abutment with the front of the front panel and rear clamp head 385 is driven by second clamp cylinder 384 into abutment with the rear of the front panel to effect clamping.
The position of upset anchor clamps still is provided with about two sets of lifting roller set 30, and lifting roller set 30 goes up and down through cylinder or pneumatic cylinder drive to accept the carriage structure of the specification of co-altitude not, and can move to the clamping position that corresponds with the upset anchor clamps through lifting control and press from both sides tightly, wherein lifting roller set does not overturn along with turning device.
As shown in fig. 14, the second supporting roller group is a lifting roller group 30 in this example, and includes a lifting driving cylinder 302, a mounting frame 303 and a guiding mechanism 305, the lifting driving cylinder 302 is mounted on a lifting base 301, a plurality of supporting rollers 304 are mounted on the mounting frame 303, the lifting driving cylinder 302 is connected with the mounting frame 303 to drive the lifting driving cylinder 302 to lift, the guiding mechanism 305 includes a guiding hole disposed on the lifting base 301 and a guiding column connected below the mounting frame, the lifting base 301 is fixed on a foundation, and the supporting rollers 304 are driven to lift by the lifting driving cylinder 302 and the mounting frame 303. The height of the second set of support rollers may also be fixed in other embodiments.
This embodiment, a pusher is provided with two-stage push mechanism, under clamping mechanism's cooperation, can carry the carriage to carriage turning device from the former station, and two-stage push mechanism is convenient for long distance transport to the accessible mends push mechanism and targets in place the carriage propelling movement. The carriage overturning device can support and clamp the carriage through an overturning clamp on the overturning frame, so that the carriage is prevented from falling in the overturning process; carriage stop gear also plays the guard action, wherein to the tight a plurality of clamping mechanism that can adapt to different carriages that have set up of the clamp of left side board and right side board, the function that cooperation front bezel clamping mechanism can be adjusted around, wholly can adapt to multi-vehicle type carriage, increases operation rate. The overturning seat can be provided with a limit position, and the overturning frame is limited to rotate after being overturned in place, so that the alignment accuracy is ensured.
Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a carriage propelling movement and turning device which characterized in that: the device comprises a piece-out pushing device for conveying a carriage and a carriage overturning device for overturning the carriage;
the discharging piece pushing device comprises a pushing device used for pushing the carriage forwards and a first supporting roller set used for supporting the carriage; the first supporting roller sets are arranged on two sides of the pushing device; the pushing device comprises a base, a primary pushing mechanism arranged on the base and a pushing supplementing mechanism arranged on the primary pushing mechanism, the primary pushing mechanism comprises a conveying sliding table and a first driving mechanism used for driving the conveying sliding table to move back and forth, and a clamping mechanism used for clamping a carriage is arranged on the conveying sliding table; the pushing supplementing mechanism is arranged on the transmission sliding table and comprises a pushing frame and a second driving mechanism for driving the pushing frame to rotate between a working position and a folding position, and when the pushing frame is at the folding position, the pushing frame is lower than the carriage and can avoid the carriage; when the push frame is in the working position, the push frame is abutted against the rear part of the carriage, and the carriage is pushed to move forwards to the carriage turnover device;
the carriage turnover device is used for clamping the carriage, turning the carriage at a specified angle and placing the carriage to the next station; the carriage turning device comprises a turning shaft arranged on a turning seat, a turning frame connected with the turning shaft and a turning driving mechanism used for driving the turning shaft to rotate, wherein a balance weight is arranged on the turning shaft, the balance weight and the turning frame are respectively positioned on two sides of the turning shaft, a turning clamp used for clamping a carriage is arranged on the turning frame, and the carriage turning device further comprises a second supporting roller set used for bearing the carriage.
2. The car pushing and overturning device of claim 1, wherein: clamping mechanism includes first chuck, second chuck and drives the drive assembly that first chuck and second chuck drawn close and kept away from, drive assembly includes first driving cylinder and engaged with first driving gear and first driven gear, first chuck and first driving gear connection and synchronous rotation, second chuck and first driven gear connection and synchronous rotation, the afterbody of first driving cylinder rotationally installs on carrying the slip table through first mount pad, the output of first driving cylinder passes through the connector and articulates with first chuck to can drive first chuck and rotate.
3. The car pushing and overturning device of claim 2, wherein: the conveying sliding table is provided with a clamping seat, the first chuck, the second chuck, the first driving gear and the first driven gear are all installed on the clamping seat, a first limiting block used for limiting the minimum gap between the first chuck and the second chuck is arranged on the clamping seat, and the first limiting block is located between the first chuck and the second chuck.
4. The car pushing and overturning device of claim 1, wherein: the second driving mechanism comprises a driving cylinder, a main pushing arm, an acting arm, a second driving gear and a second driven gear, wherein the second driving gear and the second driven gear are meshed with each other, the main pushing arm is connected with the second driving gear and can rotate synchronously, the acting arm is connected with the second driven gear and rotates synchronously, the pushing frame is arranged on the acting arm, the driving cylinder is connected with the main pushing arm and is used for driving the main pushing arm to rotate so as to drive the acting arm and rotate the pushing frame through the second driving gear and the second driven gear.
5. The car pushing and overturning device according to claim 4, characterized in that: carry and be provided with on the slip table and push away the seat, main arm, action arm, second driving gear and the second driven gear of pushing away are all installed on pushing away the seat, the afterbody of driving cylinder passes through the tailstock and rotationally installs on carrying the slip table, the output of driving cylinder passes through the connector and pushes away the arm with main articulated.
6. The car pushing and overturning device according to claim 1, characterized in that: the supplement and push mechanism is arranged at one end, close to the turnover device, of the conveying sliding table, and the clamping mechanism is arranged at one end, far away from the turnover mechanism, of the conveying sliding table.
7. The car pushing and overturning device of claim 1, wherein: the supplementary pushing mechanism further comprises a limiting structure used for limiting the maximum rotating range of the main pushing arm or the acting arm, and a detection element used for detecting the maximum rotating position of the main pushing arm.
8. The car pushing and overturning device of claim 1, wherein: the overturning fixture comprises a left clamping mechanism and a right clamping mechanism which are symmetrically arranged, each clamping mechanism comprises a supporting mechanism for supporting the lower part of the carriage front plate, a front plate clamping mechanism for clamping the upper part of the carriage front plate is respectively used for clamping the front clamping mechanism of the side plate upper beam at the front part, the middle part and the rear part of the side plate upper beam at the front part, the middle part and the rear part of the side plate upper beam, and the front plate clamping mechanism is fixed in position or can be adjusted in the front-back direction.
9. The car pushing and overturning device of claim 8, wherein: the left side and the right side of the overturning clamp are respectively provided with a limiting structure for preventing the carriage from sliding out of the clamping position in the left and right directions.
10. The car pushing and overturning device of claim 1, wherein: the second supports the roller set and is the lifting roller set, including lift driving cylinder, mounting bracket and guiding mechanism, and the lift driving cylinder is installed on lifting base, installs a plurality of backing rolls on the mounting bracket, the lift driving cylinder is connected its lift of drive with the mounting bracket, guiding mechanism is including setting up guiding hole and the guide post of connection in the mounting bracket below on lifting base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210657256.4A CN114918604B (en) | 2022-06-10 | 2022-06-10 | Carriage pushing and turning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210657256.4A CN114918604B (en) | 2022-06-10 | 2022-06-10 | Carriage pushing and turning device |
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| CN114918604A true CN114918604A (en) | 2022-08-19 |
| CN114918604B CN114918604B (en) | 2024-01-09 |
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| Publication number | Publication date |
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| CN114918604B (en) | 2024-01-09 |
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