Efficient loader sheet metal part transmission device
Technical Field
The invention relates to the technical field of sheet metal part transportation, in particular to a high-efficiency conveying device for sheet metal parts of a loader.
Background
Sheet metal is a comprehensive cold working process for sheet metal (generally below 6 mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile bodies), and the like. The product processed by the sheet metal process is called a sheet metal part.
A conveying device for sheet metal parts of a loader is a device for suspending and conveying the sheet metal parts of the loader and is suitable for paint spraying assembly line processing of the sheet metal parts of the loader.
The utility model with the reference application number of CN202020006354.8 discloses an efficient loader sheet metal part transmission device, which comprises a fixed frame and a sliding guide rail fixed on the fixed frame, wherein the lower surface of the fixed frame is rotationally connected with a plurality of rotating wheels, and rotating chains are tensioned among the rotating wheels; the sliding guide rail is connected with a plurality of pulleys in a sliding mode, a moving frame is arranged below the pulleys, hooks are arranged on the end wall, far away from the pulleys, of the moving frame, and the moving frame can penetrate through the rotating chain and is in interference fit with the rotating chain; a connecting plate is arranged between two adjacent hooks, connecting holes are formed in the two ends of the connecting plate along the length direction of the connecting plate, connecting chains are arranged in the two connecting holes, and one ends of the connecting chains, which are far away from the connecting plate, are mutually hooked with the hooks; the upper surface of the connecting plate is provided with a plurality of tooth grooves along the length direction of the connecting plate, and the connecting plate is hooked with a hanging device. The utility model discloses a have the effect that improves conveying efficiency, energy saving.
In the process of implementing the embodiment of the present invention, the inventor finds that at least the following defects exist in the patent documents:
firstly, above-mentioned device adopts linkage to hang the sheet metal component, but does not have limit structure between two adjacent sheet metal components, makes the adjacent sheet metal component that hangs contradict each other because self gravity, not only makes the unable one side of contradicting to the sheet metal component of follow-up paint spraying machine spray paint, leads to the paint spraying of sheet metal component not thorough, still makes sheet metal component collision each other easily and produces the collision vestige, influences the pleasing to the eye and the use of sheet metal component.
The lock ring of the device hooks the hole of the small sheet metal part with a small size, a certain gap is reserved between the sheet metal part and the lock ring, the sheet metal part is easy to shake in the transportation process, normal paint spraying operation of the sheet metal part is affected, and therefore improvement is needed.
Disclosure of Invention
The invention aims to provide an efficient conveying device for sheet metal parts of a loader, and the conveying device is used for solving the technical problems that in the prior art, the paint spraying effect on the sheet metal parts cannot be influenced due to the fact that adjacent sheet metal parts are mutually abutted, and certain gaps exist between the sheet metal parts and a locking ring, so that the sheet metal parts are shaken in the conveying process.
The technical scheme of the invention is as follows: the conveying mechanism comprises a support frame, a driving motor arranged at the top of the support frame, a conveying guide rail arranged on the support frame, a plurality of groups of chain wheels arranged on the support frame, conveying chains tensioned among the plurality of groups of chain wheels, and a main shaft of the driving motor coaxially connected with one of the chain wheels.
The suspension device comprises a driving structure, a horizontal installation transverse plate, two installation vertical strips and two sets of limiting structures, wherein the two sets of limiting structures are fixed below the two installation vertical strips through a connecting frame respectively, the driving structure is arranged at the top of the installation transverse plate and driven by the driving structure to change the distance between the two installation vertical strips, and the installation transverse plate is connected with a roller train corresponding to the installation transverse plate through a connecting chain.
Every group limit structure all includes the go-between, two sets of fixed knot structure, two fixed chains that are connected with the go-between that weld in installation vertical bar bottom and two guide boxes that the mutual symmetry set up, and the cross section of guide box is the right triangle structure, two fixed knot constructs and installs respectively in the one end that two fixed chains kept away from the go-between.
As the further optimization of this technical scheme, two be equipped with a plurality of direction groups that are the matrix distribution between the guide box, every group direction group all include the connecting plate and with connecting plate sliding fit's gib block, connecting plate and gib block set up respectively in the relative one side of two guide boxes, one of them be equipped with two pole cylinders in the guide box, its flexible end and another the inner wall fixed connection of guide box.
As the further optimization of this technical scheme, in order to further spacing fixed chain to avoid taking place to rock at the in-process fixed chain of transportation and make the problem of bumping between the sheet metal component, two the guide box all is equipped with spacing spout on one side of the back of the body mutually, and it is used for retraining the position of fixed chain, two the back of guide box is equipped with antiseized layer.
As a further optimization of this technical scheme, drive structure is including setting up drive arrangement and two racks that are parallel to each other at installation diaphragm top, the top of installation diaphragm is equipped with the guide rail with rack sliding fit, the top of installation diaphragm is equipped with rather than the axis of rotation of rotating the connection, the top cover of axis of rotation is equipped with drive gear, and drive gear sets up between two racks, and two racks all mesh with drive gear, two the installation vertical bar respectively with two rack end fixed connection, drive arrangement is used for driving one of them the rack removes along the length direction of guide rail.
As the further optimization of this technical scheme, for two limit structure's of high accuracy adjustment interval, drive arrangement includes that screw rod and two intervals set up the bearing frame at installation diaphragm top, and the both ends of screw rod rotate with two bearing frames respectively and are connected, the cover is equipped with rather than threaded connection's drive block on the screw rod, drive block and one of them the lateral wall fixed connection of rack, the tip cover of screw rod is equipped with the rotating head.
As the further optimization of this technical scheme, every group fixed knot constructs all includes the lock ring and with lock ring top articulated spacing, be equipped with the logical groove that supplies spacing to pass through on the lock ring, be equipped with a plurality of mounting holes along the arc array on the lock ring, set up the bar groove that supplies the bolt to pass on the spacing.
As the further optimization of the technical scheme, in order to further limit the sheet metal part with a smaller size, the inner wall of the locking ring is provided with a bulge made of a flexible material, one side, close to the limiting strip, of the bulge is provided with an arc surface, and the opposite sides of the locking ring and the limiting strip are provided with rubber anti-slip pads.
As a further optimization of the technical scheme, the bottom of the guide box is provided with a guide plate which is transversely arranged, the side wall of the guide box is provided with a guide groove, the guide plate is provided with a detachable liquid collecting box, the guide plate is provided with a dovetail groove which is in sliding fit with the liquid collecting box, and the notch of the guide groove is provided with a slope surface which is obliquely and downwardly arranged.
The invention provides an efficient loader sheet metal part conveying device through improvement, and compared with the prior art, the efficient loader sheet metal part conveying device has the following improvements and advantages:
the sheet metal part guide box is provided with a limiting structure, and two fixing chains which are close to each other can be isolated under the action of the two guide boxes which are in a right-angled triangle structure, so that the fixing chains are lapped on the side wall of the guide boxes, and adverse effects caused by mutual collision of sheet metal parts are avoided; the cross section of each guide box is of a right-angled triangle structure, so that the back surfaces of the two guide boxes are inclined surfaces, the distance between the fixed structures at the bottom ends of the two fixed chains is enlarged, and the other advantage is that one opposite side of the two guide boxes is a straight surface, so that the two guide boxes can respectively mount the connecting plate and the guide strip, the distance between the two limiting structures is changed, the suspended sheet metal part can be drawn close to or kept away from the center, the paint spraying production line can accurately spray paint on the inner surface of the sheet metal part, and the technical problems that in the prior art, due to the fact that the adjacent sheet metal parts mutually abut against each other due to self gravity, the paint spraying on the surface of the sheet metal part cannot abut against each other, and collision traces are generated due to the mutual collision of the.
Secondly, the distance between the two mounting vertical strips can be changed through the driving of the driving structure, so that the distance between the two groups of limiting structures is changed, a proper distance is kept between the adjacent sheet metal parts, an operator can manually drive the rotating head to rotate, the rotating head drives the screw to rotate, the screw drives the driving block to move, the driving block drives one of the racks to move, the driving gear is driven to rotate in the moving process of the racks, the driving gear drives the other rack to move, and therefore the two racks are close to or far away from each other; with two limit structure's of high accuracy adjustment interval, further enlarge the adjacent interval that hangs the sheet metal component, be convenient for adapt to not unidimensional sheet metal component, improve the practicality of this device to still make things convenient for paint spraying apparatus to carry out the operation of spraying paint to the inner face of sheet metal component, with the operation of spraying paint to the sheet metal component evenly.
Thirdly, the locking space of the locking ring can be reduced through the fixing structure according to the thickness of the sheet metal part so as to prevent more gaps from being generated between the locking ring and the sheet metal part, specifically, an operator manually passes the locking ring through a hole of the sheet metal part, adjusts the position of the limiting strip according to the thickness of the sheet metal part, enables the limiting strip to pass through a proper mounting hole through a bolt and pass through a strip-shaped groove, and then fastens the limiting strip through the threaded connection of a nut and the bolt; the locking structure has the advantages that the locking space of the locking ring can be reduced according to the thickness of the sheet metal part, so that more gaps are prevented from being generated between the locking ring and the sheet metal part, and the sheet metal part is prevented from being greatly shaken easily in the transportation process. The technical problem that certain gaps exist between a sheet metal part and a locking ring in the prior art and the sheet metal part is shaken in the transportation process is solved.
The liquid collecting box is detachably arranged, when an operator manually matches the liquid collecting box with the dovetail groove in a sliding mode, the liquid collecting box can be arranged below the slope, and paint liquid enters the liquid collecting box through the diversion trench to be collected in a centralized mode; the worker can also not install the collection liquid case, and its advantage lies in, paint liquid process guiding gutter to make paint liquid drop to the direction of sheet metal component under domatic direction, make paint liquid carry out the secondary japanning to the inner face of sheet metal component.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the construction of the suspension of the present invention;
FIG. 4 is a side view of the suspension of the present invention;
FIG. 5 is a partial cross-sectional view of a suspension of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
fig. 7 is a schematic structural view of the limiting structure.
Description of reference numerals:
1. a support frame; 11. a drive motor; 12. a conveying guide rail; 13. a sprocket; 14. a conveyor chain; 2. a suspension device; 21. installing a transverse plate; 22. mounting a vertical bar; 23. a connecting chain; 3. a roller set; 4. a drive structure; 41. a rack; 42. a guide rail; 43. a rotating shaft; 44. a transmission gear; 5. a limiting structure; 51. a connecting frame; 52. a connecting ring; 53. a fixed chain; 54. a guide box; 55. a guide group; 551. a guide strip; 552. a connecting plate; 553. a double-rod cylinder; 56. a limiting chute; 57. a baffle; 571. a diversion trench; 572. a liquid collection tank; 58. a dovetail groove; 59. a slope surface; 6. a fixed structure; 61. a locking ring; 62. a limiting strip; 63. a through groove; 64. mounting holes; 65. a strip-shaped groove; 66. a protrusion; 67. a cambered surface; 7. a drive device; 71. a screw; 72. a bearing seat; 73. a drive block; 74. and rotating the head.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides an efficient conveying device for sheet metal parts of a loader by improvement, as shown in fig. 1-7, the conveying device comprises a support frame 1, a driving motor 11 arranged at the top of the support frame 1, a conveying guide rail 12 arranged on the support frame 1, and a plurality of groups of chain wheels 13 arranged on the support frame 1, wherein conveying chains 14 are tensioned among the plurality of groups of chain wheels 13, a main shaft of the driving motor 11 is coaxially connected with one chain wheel 13, the conveying device also comprises a plurality of groups of suspension devices 2 and a plurality of groups of roller groups 3 in rolling fit with the conveying guide rail 12, the bottoms of the plurality of groups of roller groups 3 are fixedly connected with the conveying chains 14, each group of suspension devices 2 respectively corresponds to two groups of roller groups 3, and the suspension devices 2 are arranged below the roller groups 3 corresponding to the suspension devices; the multiple groups of chain wheels 13 are used for installing and tensioning the conveying chains 14, the driving motor 11 can drive one of the chain wheels 13 connected with the main shaft of the driving motor to rotate, so that the conveying chains 14 move, the conveying chains 14 drive the roller sets 3 to convey along the conveying direction of the conveying chains 14, and the roller sets 3 drive the suspension devices 2 to convey so as to drive the sheet metal parts to convey to a paint spraying production line. The roller group 3 is matched with the conveying guide rail 12 in a rolling way, so that the roller group 3 can move along the conveying direction of the conveying guide rail 12; the bottoms of the multiple groups of roller groups 3 are fixedly connected with the conveying chain 14, so that the transmission chain 14 can drive the multiple groups of roller groups 3 to move in the moving process.
Referring to fig. 1, a through groove for the roller set 3 to pass through is formed in the support frame 1.
The suspension device 2 comprises a driving structure 4, a horizontal installation transverse plate 21, two installation vertical strips 22 and two groups of limiting structures 5, wherein the two groups of limiting structures 5 are respectively fixed below the two installation vertical strips 22 through a connecting frame 51, the driving structure 4 is arranged at the top of the installation transverse plate 21 and is driven by the driving structure 4 to change the distance between the two installation vertical strips 22, and the installation transverse plate 21 is respectively connected with the corresponding roller group 3 through a connecting chain 23; through the drive of drive structure 4, can change the interval of two installation vertical strips 22, and then change two sets of limit structure 5's interval, make and keep suitable interval between the adjacent sheet metal component, wheel train 3 drives installation diaphragm 21 through connecting chain 23 and moves at the in-process of transmission, makes installation diaphragm 21 drive limit structure 5 and removes along the direction of transfer of conveying chain 14.
Each group of the limiting structures 5 includes a connecting ring 52 welded to the bottom end of the installation vertical bar 22, two groups of fixing structures 6, two fixing chains 53 connected to the connecting ring 52, and two guide boxes 54 symmetrically arranged with respect to each other, the cross section of each guide box 54 is a right-angled triangle structure, and the two fixing structures 6 are respectively installed at one end of each fixing chain 53 far away from the connecting ring 52. Under the effect of two guide boxes 54 that are the right triangle structure can keep apart two fixed chains 53 that are close to each other, make fixed chain 53 take on the lateral wall of guide box 54 to avoid sheet metal component collision each other and cause adverse effect.
Since the cross section of the guide boxes 54 is a right triangle structure, as shown in fig. 3 to 5, the opposite sides of the two guide boxes 54 are inclined planes to enlarge the distance between the fixing structures 6 at the bottom ends of the two fixing chains 53, and another advantage is that the opposite sides of the two guide boxes 54 are straight planes to facilitate the installation of the two guide boxes 54 on the connecting plate 552 and the guide bar 551, respectively.
Referring to fig. 3 to 5, specifically, a plurality of guide groups 55 distributed in a matrix are disposed between the two guide boxes 54, each guide group 55 includes a connecting plate 552 and a guide bar 551 slidably engaged with the connecting plate 552, the connecting plate 552 and the guide bar 551 are respectively disposed on opposite sides of the two guide boxes 54, a dual-rod cylinder 553 is disposed in one of the guide boxes 54, and a telescopic end of the dual-rod cylinder 553 is fixedly connected to an inner wall of the other guide box 54. The connecting plate 552 is slidably engaged with the guide bars 551, which is advantageous in guiding the movement of the guide boxes 54 to restrict the movement of the two guide boxes 54 along the length direction of the connecting plate 552, so as to avoid the sheet metal parts from being greatly displaced in the transverse direction when the guide boxes 54 are transported at the corners. The dual rod air cylinder 553 is operative to vary the spacing between the two guide boxes 54 to facilitate painting of the inner faces of the two sheet metal parts by the paint sprayer.
Referring to fig. 5 and 7, specifically, in order to further limit the fixed chain 53 and avoid the problem that the fixed chain 53 shakes to cause collision between sheet metal parts in the transportation process, limiting sliding grooves 56 are formed in opposite sides of the two guide boxes 54 and used for restraining the position of the fixed chain 53, and anti-sticking layers are formed on the back sides of the two guide boxes 54. Fixed chain 53 places in spacing spout 56, effectively avoids fixed chain 53 to take place to rock and make the problem of colliding between the sheet metal component, and avoids fixed chain 53 to break away from with the side of guide box 54 when the corner transmits.
Referring to fig. 3 and 5, specifically, the driving structure 4 includes a driving device 7 disposed on the top of the installation transverse plate 21 and two parallel racks 41, a guide rail 42 slidably engaged with the racks 41 is disposed on the top of the installation transverse plate 21, a rotating shaft 43 rotatably connected to the top of the installation transverse plate 21 is disposed on the top of the rotating shaft 43, a transmission gear 44 is sleeved on the top end of the rotating shaft 43, the transmission gear 44 is disposed between the two racks 41, the two racks 41 are both engaged with the transmission gear 44, the two installation vertical bars 22 are respectively fixedly connected to the ends of the two racks 41, and the driving device 7 is configured to drive one of the racks 41 to move along the length direction of the guide rail 42. Guide rail 42 is used for leading the removal of rack 41, one of them rack 41 can carry out lateral shifting under drive arrangement 7's effect, make rack 41 remove in-process drive gear 44 and rotate, and then make drive gear 44 drive another rack 41 and remove, thereby realize being close to each other or keeping away from each other of two racks 41, with the interval between two limit structure 5 of synchronous change, make the sheet metal component that hangs can draw close or keep away from to center department, so that the production line that sprays paint can be accurate to the sheet metal component surface and spray paint.
Referring to fig. 3 and 5, specifically, for adjusting the distance between the two limiting structures 5 with high precision, the driving device 7 includes a screw rod 71 and two bearing seats 72 disposed at the top of the mounting transverse plate 21 at intervals, two ends of the screw rod 71 are respectively rotatably connected with the two bearing seats 72, a driving block 73 in threaded connection with the screw rod 71 is sleeved on the screw rod 71, the driving block 73 is fixedly connected with one side wall of the rack 41, and a rotating head 74 is sleeved on an end of the screw rod 71. The worker can rotate by manual drive rotating head 74, make rotating head 74 drive screw rod 71 and rotate, make screw rod 71 drive the drive block 73 and remove, make drive block 73 drive one of them rack 41 and remove, and then make rack 41 remove in-process and drive gear 44 and rotate, and then make drive gear 44 drive another rack 41 and remove, thereby realize being close to each other or keeping away from each other of two racks 41, with two limit structure 5's of high accuracy adjustment interval, enlarge adjacent interval that hangs the sheet metal component, be convenient for adapt to not unidimensional sheet metal component, improve the practicality of this device, and still make things convenient for the paint spraying apparatus to carry out the operation of spraying paint to the inner face of sheet metal component, with even operation of spraying paint to the sheet metal component.
Referring to fig. 5 and 6, specifically, each group of fixing structures 6 includes a locking ring 61 and a limiting bar 62 hinged to the top end of the locking ring 61, a through groove 63 for the limiting bar 62 to pass through is formed in the locking ring 61, a plurality of mounting holes 64 in an arc array are formed in the locking ring 61, and a strip-shaped groove 65 for a bolt to pass through is formed in the limiting bar 62. The worker manually passes the locking ring 61 through a hole of the sheet metal part, adjusts the position of the limiting strip 62 according to the thickness of the sheet metal part, enables the limiting strip 62 to penetrate through a proper mounting hole 64 through a bolt and pass through the strip-shaped groove 65, and then fastens the limiting strip 62 through threaded connection of a nut and the bolt; the advantage of adopting above-mentioned structure lies in, can reduce the locking space of lock ring 61 according to the thickness of sheet metal component to prevent to produce more space between lock ring 61 and the sheet metal component, thereby avoid producing great rocking easily in the sheet metal component transportation.
Specifically, in order to further limit the sheet metal part with a smaller size, the inner wall of the locking ring 61 is provided with a protrusion 66 made of a flexible material, one side of the protrusion 66, which is close to the limiting strip 62, is provided with an arc surface 67, and the opposite sides of the locking ring 61 and the limiting strip 62 are provided with rubber anti-slip pads. After locking ring 61 and spacing 62 locked the sheet metal component, protruding 66 can be further spacing to the sheet metal component to further reduce the locking space of locking ring 61, and the rubber slipmat can avoid locking the sheet metal component and make the indentation appear in the sheet metal component surface.
The working principle or the using method of the embodiment comprises the following steps: the distance between the two limiting structures 5 can be changed through the driving structure 4, so that the adjacent sheet metal parts can be adjusted to a required distance, specifically, an operator can manually drive the rotating head 74 to rotate, so that the rotating head 74 drives the screw rod 71 to rotate, the screw rod 71 drives the driving block 73 to move, the driving block 73 drives one of the racks 41 to move, the driving gear 44 is driven to rotate in the moving process of the rack 41, the driving gear 44 drives the other rack 41 to move, and therefore the two racks 41 are close to or far away from each other;
the worker manually passes the locking ring 61 through a hole of the sheet metal part, adjusts the position of the limiting strip 62 according to the thickness of the sheet metal part, enables the limiting strip 62 to penetrate through a proper mounting hole 64 through a bolt and pass through the strip-shaped groove 65, and then fastens the limiting strip 62 through threaded connection of a nut and the bolt;
the driving motor 11 works to drive one of the chain wheels 13 connected with the main shaft of the driving motor to rotate, so that the conveying chain 14 moves, the conveying chain 14 drives the roller group 3 to convey along the conveying direction of the conveying chain 14, and the roller group 3 drives the suspension device 2 to convey so as to drive the sheet metal part to convey to the paint spraying production line; in the process of spraying paint, two fixed chains 53 that are close to each other can be isolated under the effect of two guide boxes 54 that are the right triangle structure, make fixed chain 53 take on the lateral wall of guide box 54 to avoid sheet metal component collision each other and cause adverse effect.
Example two:
based on a high-efficiency loader sheet metal part transmission device that the first embodiment of this application provided, the second embodiment of this application provides another kind of high-efficiency loader sheet metal part transmission device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5 and 7, specifically, in order to solve the problem that the paint sprayed on the side surface of the guide box 54 drops on the surface of the sheet metal part, a guide plate 57 is transversely arranged at the bottom of the guide box 54, a guide groove 571 is formed in the side wall of the guide plate, a detachable liquid collecting box 572 is arranged on the guide plate 57, a dovetail groove 58 in sliding fit with the liquid collecting box 572 is formed in the guide plate 57, and a slope 59 obliquely downward is formed in the groove opening of the guide groove 571. The paint liquid on the side wall of the guide box 54 flows into the guide plate 57 from top to bottom, and enters the liquid collecting box 572 through the guide groove 571 to be collected in a concentrated manner.
The liquid collecting tank 572 is detachably arranged, when an operator manually matches the liquid collecting tank 572 with the dovetail groove 58 in a sliding mode, the liquid collecting tank 572 can be arranged below the slope 59, and paint liquid enters the liquid collecting tank 572 through the diversion trench 571 to be collected in a centralized mode; the worker can also not install header tank 572, and its advantage lies in, the paint liquid passes through guiding gutter 571 to make the paint liquid drop to the direction of sheet metal component under the direction of domatic 59, make the paint liquid carry out the secondary coating to the inner face of sheet metal component.
Because slope 59 slope sets up downwards, slope 59 can lead the paint liquid that stops at the notch, makes the paint liquid flow into header tank 572 through slope 59 in.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.