Spraying device of wheel hub production usefulness
Technical Field
The invention relates to the technical field of hub spraying, in particular to a spraying device for hub production.
Background
The hub is an important part on the automobile, not only bears the weight of the automobile and has the function of driving safety, but also has the functions of beautifying the automobile body and showing individuation. With the increasing application of aluminum alloy hubs in automobiles, the requirements of people on aluminum alloy hubs are increasing, and the aluminum alloy hubs are required to have high mechanical properties and excellent appearance and corrosion resistance, so that the hubs are generally subjected to spraying treatment before leaving factories.
In the prior art, chinese patent with publication number CN212791520U discloses an aluminum alloy wheel hub's spraying device, including the support plate, the top fixed mounting of support plate has power push rod, power push rod's output fixed mounting has the layer board, the top fixed mounting of layer board has driving motor, driving motor's output fixed mounting has the roof, the top fixed mounting of roof has the riser.
The above patents suffer from the following disadvantages: the wheel hub taking and placing and clamping are completely independent actions, so that the whole taking and placing and clamping process needs to be carried out independently, action time difference exists when the whole taking and placing and clamping process is carried out independently, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a spraying device for producing a hub.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spraying device for producing a hub comprises a base, and a clamping driving mechanism and a spraying mechanism which are arranged on the top of the base and matched with each other, wherein the clamping driving mechanism comprises a supporting seat fixed on the outer wall of the top of the base through a supporting leg, and a driving assembly and a clamping assembly which are arranged on two sides of the supporting seat and matched with each other, the clamping assembly comprises a supporting disk and a clamping cambered surface roller assembly, the outer wall of the bottom of the supporting disk is rotatably connected with a second connecting rod, the outer wall of the second connecting rod is fixedly provided with a second piston, the outer wall of the second piston is matched with a main cylinder body in a sliding manner, the outer wall of the main cylinder body is fixedly provided with a first supporting cylinder body communicated with the inner cavity of the main cylinder body, the inner wall of the first supporting cylinder body is matched with a first piston in a sliding manner, the outer wall of the first piston is fixedly provided with a first connecting rod, the outer wall of the first connecting rod is fixedly provided with an L-shaped sliding block, and the base is in sliding connection with the first sliding chute through the inner wall of the supporting seat, the clamping cambered roller assembly is rotatably connected to the top of the L-shaped sliding block through a main shaft.
Preferably: and a first spring is fixedly arranged on the outer wall of the bottom of the second piston.
Further: and a positioning bulge matched with the hub mounting hole is fixedly mounted on the outer wall of the top of the supporting disk.
On the basis of the scheme: the drive assembly includes driven pulleys, tensioning band pulley and driving pulley, driven pulleys fixed mounting is in the bottom outer wall of main shaft, the outer wall of tensioning band pulley rotates and is connected with the wheel carrier, and two wheel carriers pass through elastic telescopic rod and connect, just elastic telescopic rod fixed mounting is on the bottom outer wall of supporting seat, driven pulleys, tensioning band pulley use with driving pulley's outer wall cooperation has same hold-in range.
The better scheme in the scheme is as follows: the outer wall of the top of the driving belt wheel is connected with a rotating motor through a coupler, an L-shaped motor frame is fixedly mounted on the outer wall of the rotating motor, and the L-shaped motor frame is fixedly mounted on the outer wall of the bottom of the supporting seat.
As a further scheme of the invention: the clamping cambered surface roller assembly comprises a roller body and a buffer rubber sheet arranged on the circumferential outer wall of the roller body.
Simultaneously, the cushion rubber piece includes two symmetry and slope fixed mounting in the side rib of roll body circumference outer wall and fixed mounting in the support rib of roll body outer wall.
As a preferable aspect of the present invention: spraying mechanism includes "L" type support and spraying nozzle, "L" type support fixed mounting has the lifter plate on the top outer wall of base, "L" type support's outer wall has through linear slide rail sliding connection, the outer wall of lifter plate is provided with the regulating plate, spraying nozzle fixed mounting is on the outer wall of regulating plate, and spraying nozzle connects outer wall spraying pump.
And meanwhile, flow guide shells are arranged on two symmetrical sides of the spraying nozzle, are fixedly mounted on the outer wall of the adjusting plate, and are connected with a heat pump through air inlets.
As a more preferable scheme of the invention: the utility model discloses a lifting device for elevator, including "L" type support, lifting motor, lifter, adjusting screw, lifter plate, lifter guide post, spring two, adjusting screw, adjusting plate and lifter plate, the top outer wall fixed mounting of "L" type support has elevator motor, and elevator motor's output shaft outer wall has elevating screw through the coupling joint, and elevating screw passes through threaded connection on the inner wall of lifter plate, adjusting plate and lifter plate are through flexible guide post swing joint, the outer wall cover of flexible guide post is equipped with spring two, the inner wall of adjusting plate rotates and is connected with adjusting screw, adjusting screw's outer wall and lifter plate threaded connection, just adjusting screw's outer wall fixed mounting has the knob.
The invention has the beneficial effects that:
1. this spraying device of wheel hub production usefulness, when fixed, upwards place the top at the supporting disk with wheel hub's real face, when receiving gravity decline along with wheel hub, the supporting disk descends of pushing down, thereby make second piston decline, main cylinder body intracavity pressure increases, push out first piston, thereby it slides to the outside to drive "L" type slider and press from both sides tight cambered surface roller subassembly through connecting rod one, it is fixed to carry out the centre gripping to wheel hub inner ring wall, finish when wheel hub spraying, upwards mention wheel hub, first spring can bounce second piston, thereby make and press from both sides tight cambered surface roller subassembly and contract to the inboard, thereby the synchronism of centre gripping with getting put has been realized, the efficiency is improved, and when wheel hub is heavier, the pressure to the supporting disk is big more, also make and press from both sides tight cambered surface roller subassembly and to wheel hub's clamping-force more, the self-adaptive control of clamping-force according to the dead weight has been realized.
2. This spraying device of wheel hub production usefulness transmits pressure through regard as the medium with the inner chamber air of connecting rod one and main cylinder body, when wheel hub descends and drives clamping cambered surface roller subassembly and expand outward, because the air has certain compressibility, also is flexible transmission to can absorb the impact of wheel hub when clamping cambered surface roller subassembly centre gripping wheel hub, prevent to press from both sides clamping cambered surface roller subassembly and wheel hub's centre gripping department and appear damaging.
3. This spraying device of wheel hub production usefulness, protruding through setting up the location, when laying the wheel hub, align the mounting hole of wheel hub real face with the location arch respectively, can guarantee like this on the one hand that the wheel hub axis is higher with the symmetry center overlap ratio of a plurality of tight cambered surface roller assemblies of clamp, vibrations appear when preventing follow-up wheel hub from rotating, on the other hand also can realize that every tight cambered surface roller assembly of clamp is the same to the effort of wheel hub inner wall, prevents the stress concentration phenomenon.
4. This spraying device of wheel hub production usefulness, when wheel hub not the state of placing, even the mistake starts the rotating electrical machines, the power of rotating electrical machines this moment also can not transmit to pressing from both sides tight cambered surface roller subassembly on, thereby can effectually prevent to press from both sides the rotation condition of tight cambered surface roller subassembly under unoperated state, the mistake injury to the workman has been prevented, thereby the security has been improved, and, this device adopts the form that presss from both sides the friction of tight cambered surface roller subassembly centre gripping to drive wheel hub, compare other drive forms, this device does not need whole clamping components portion to rotate jointly, thereby reduce the loss of drive kinetic energy, reduce the energy consumption.
5. This spraying device of wheel hub production usefulness, on the one hand, support the setting of rib and side rib, can play further cushioning effect to the collision of roll body and wheel hub, prevent the damage, on the other hand, support the design of rib and side rib, constitute the triangle-shaped structure of height, when clamping-force is less, the shrinkage of whole buffering film is less, make the most advanced of buffering film and the area of contact of wheel hub inner wall little, increase local stress, guarantee reliable drive frictional force, when clamping-force is great, the shrinkage grow of whole support rib, and then can prevent that stress concentration from causing the damage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the clamping driving mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of the clamping drive mechanism of the present invention;
FIG. 4 is a schematic view of the driving assembly of the present invention;
FIG. 5 is a schematic front view of the spraying mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of the spray mechanism of the present invention;
FIG. 7 is a schematic view of a clamp cambered roller assembly structure of the present invention;
figure 8 is a schematic view of the cross-sectional structure of the clamping bow assembly according to the invention.
In the figure: 1-base, 2-clamping driving mechanism, 3-spraying mechanism, 4-supporting base, 5-supporting leg, 6-driving component, 7-clamping component, 8-spring I, 9-supporting cylinder body, 10-connecting rod I, 11-piston I, 12-main cylinder body, 13-piston II, 14-positioning projection, 15-supporting disk, 16-connecting rod II, 17-clamping cambered surface roller component, 18-main shaft, 19- 'L' -shaped sliding block, 20-sliding chute I, 21-driven belt wheel, 22-elastic telescopic rod, 23-wheel carrier, 24-tensioning belt wheel, 25-rotating motor, 26- 'L' -shaped motor carrier, 27-driving belt wheel, 28- 'L' -shaped support, 29-lifting motor, 30-lifting screw rod, 31-adjusting plate, 32-spraying nozzle, 33-guide shell, 34-lifting plate, 35-linear slide rail, 36-knob, 37-adjusting screw rod, 38-telescopic guide column, 39-spring II, 40-roller body, 41-buffer film, 42-supporting rib and 43-side rib.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1:
a spraying device for hub production is shown in figures 1-3 and comprises a base 1, and a clamping driving mechanism 2 and a spraying mechanism 3 which are arranged on the top of the base 1 and matched with each other, wherein the clamping driving mechanism 2 comprises a supporting seat 4 fixed on the outer wall of the top of the base 1 through a supporting leg 5, and a driving component 6 and a clamping component 7 which are arranged on two sides of the supporting seat 4 and matched with each other, the clamping component 7 comprises a supporting disk 15 and a clamping cambered-surface roller component 17, the outer wall of the bottom of the supporting disk 15 is rotatably connected with a second connecting rod 16, the outer wall of the second connecting rod 16 is fixed with a second piston 13 through a bolt, the outer wall of the second piston 13 is matched with a main cylinder body 12 in a sliding manner, the outer wall of the main cylinder body 12 is welded with a supporting cylinder body 9 communicated with the inner cavity of the main cylinder body 9, the inner wall of the supporting cylinder body 9 is matched with a first piston 11 in a sliding manner, the outer wall of the first piston 11 is fixed with a first connecting rod 10 through a bolt, and the outer wall of the first connecting rod 10 is fixed with an L-shaped sliding block 19 through a bolt, the base 1 is connected with a first sliding groove 20 in a sliding way through a sliding groove arranged on the inner wall of the supporting seat 4, and the clamping cambered roller assembly 17 is rotationally connected to the top of an L-shaped sliding block 19 through a main shaft 18; when the device is used, the hub is of a hollow circular ring type, one end face of the hub is a solid face, when the device is fixed, the solid face of the hub is placed upwards on the top of the supporting disc 15, the supporting disc 15 descends along with the descending of the hub under the action of gravity, so that the second piston 13 descends, the pressure in the cavity of the main cylinder body 12 is increased, the first piston 11 is ejected out, the first connecting rod 10 drives the L-shaped sliding block 19 and the clamping cambered surface roller assembly 17 to slide outwards, the inner ring wall of the hub is clamped and fixed, and the first spring 8 is welded on the outer wall of the bottom of the second piston 13; when the hub is sprayed, the hub is lifted upwards, the first spring 8 can bounce the second piston 13, and therefore the clamping cambered roller assembly 17 contracts inwards, the synchronism of clamping and taking and placing is achieved, the efficiency is improved, when the hub is heavier, the pressure on the supporting plate 15 is higher, the clamping force of the clamping cambered roller assembly 17 on the hub is also higher, the self-adaptive adjustment of the clamping force according to the self weight is achieved, in addition, the device transmits the pressure by taking the air in the inner cavity of the first connecting rod 10 and the inner cavity of the main cylinder body 12 as a medium, when the hub descends to drive the clamping cambered roller assembly 17 to expand outwards, the air has certain compressibility, namely flexible transmission, and therefore when the clamping cambered roller assembly 17 clamps the hub, the impact on the hub is absorbed, and damage to the clamping position of the clamping cambered roller assembly 17 and the hub is prevented.
In order to solve the problem of concentricity; as shown in fig. 3, a positioning protrusion 14 matched with the hub mounting hole is welded on the outer wall of the top of the supporting disk 15; through setting up location arch 14, when placing the wheel hub, align the mounting hole of wheel hub real face with location arch 14 respectively, can guarantee on the one hand that the wheel hub axis is higher with the symmetry center overlap ratio of a plurality of tight cambered surface roller assembly 17 like this, vibrations appear when preventing follow-up wheel hub from rotating, on the other hand also can realize that every presss from both sides tight cambered surface roller assembly 17 is the same to the effort of wheel hub inner wall, prevents the stress concentration phenomenon.
In order to solve the problem of driving rotation; as shown in fig. 4, the driving assembly 6 includes a driven pulley 21, a tension pulley 24 and a driving pulley 27, the driven pulley 21 is welded on the outer wall of the bottom of the main shaft 18, the outer wall of the tension pulley 24 is rotatably connected with a wheel carrier 23, the two wheel carriers 23 are connected through an elastic telescopic rod 22, the elastic telescopic rod 22 is fixed on the outer wall of the bottom of the supporting seat 4 through a bolt, the outer wall of the top of the driving pulley 27 is connected with a rotating motor 25 through a coupling, the outer wall of the rotating motor 25 is fixed with an "L" type motor carrier 26 through a bolt, the "L" type motor carrier 26 is fixed on the outer wall of the bottom of the supporting seat 4 through a bolt, and the driven pulley 21, the tension pulley 24 and the outer wall of the driving pulley 27 are matched to use a same synchronous belt; when the rotary motor 25 is started, the driving pulley 27 can be driven to rotate, when the hub is in a non-placed state, the driven pulleys 21 are close to each other, the synchronous belt is tensioned under the elastic action of the elastic telescopic rod 22, the driven pulleys 21 are close to each other, the synchronous belt is separated from the driving pulley 27 at the moment, namely, the driving is disconnected, when the hub is placed completely, the driven pulleys 21 are far away from each other, so that the synchronous belt is matched with the side surface of the driving pulley 27, the synchronous belt and the driven pulleys 21 are driven to rotate through friction, the clamping cambered surface roller assembly 17 is driven to rotate through the main shaft 18, the hub is driven to rotate, the device is enabled, when the hub is in a non-placed state, even if the rotary motor 25 is started by mistake, the power of the rotary motor 25 cannot be transmitted to the clamping cambered surface roller assembly 17 at the moment, and the rotation condition of the clamping cambered surface roller assembly 17 in a non-working state can be effectively prevented, the device prevents accidental injury to workers, improves safety, and drives the hub in a form of clamping friction of the clamping cambered surface roller assembly 17, compared with other driving forms, the device does not need the whole clamping assembly 7 to rotate together, so that the loss of driving kinetic energy is reduced, and energy consumption is reduced.
In the embodiment, when the hub is used, because the hub is a hollow circular ring type, and one of the end surfaces is a solid surface, when the hub is fixed, the solid surface of the hub is placed upwards on the top of the supporting plate 15, the mounting holes of the solid surface of the hub are respectively aligned with the positioning protrusions 14, when the hub is descended by gravity, the lower supporting plate 15 descends, so that the second piston 13 descends, the pressure in the cavity of the main cylinder 12 increases, the first piston 11 is ejected, the first connecting rod 10 drives the L-shaped sliding block 19 and the clamping cambered roller assembly 17 to slide outwards, the inner ring wall of the hub is clamped and fixed, when the hub is sprayed, the hub is lifted upwards, the second piston 13 can be bounced by the first spring 8, so that the clamping cambered roller assembly 17 contracts inwards, the synchronism of clamping and taking and placing is realized, in addition, for driving, when the rotating motor 25 is started, the driving pulley 27 can be driven to rotate, when wheel hub is in not placing the state, driven pulley 21 closed each other this moment to through the elastic force effect of elasticity telescopic link 22, with the hold-in range tensioning, and because driven pulley 21 closed, the hold-in range breaks away from with driving pulley 27 this moment, drive disconnection promptly, when wheel hub placed and finishes, driven pulley 21 kept away from each other this moment, make the hold-in range and the side cooperation of driving pulley 27, thereby drive hold-in range and driven pulley 21 through frictional force and rotate, thereby drive through main shaft 18 and press from both sides tight cambered surface roller subassembly 17 and rotate, drive wheel hub rotates.
Example 2:
a spraying device for hub production is shown in figures 7 and 8, and aims to solve the problems of buffering and friction; the present embodiment is modified from embodiment 1 as follows: the clamping cambered roller assembly 17 comprises a roller body 40 and a cushion rubber sheet 41 arranged on the circumferential outer wall of the roller body 40, wherein the cushion rubber sheet 41 comprises two symmetrical side ribs 43 obliquely bonded on the circumferential outer wall of the roller body 40 and a support rib 42 bonded on the outer wall of the roller body 40, and the support rib 42 is positioned at the symmetrical axis position of the two side ribs 43.
When the embodiment is used, on one hand, the support ribs 42 and the side ribs 43 are arranged to further buffer the collision between the roller body 40 and the hub and prevent damage, on the other hand, the design of the support ribs 42 and the side ribs 43 forms a triangular structure with a high height, when the clamping force is small, the shrinkage of the whole cushion rubber sheet 41 is small, so that the contact area between the tip of the cushion rubber sheet 41 and the inner wall of the hub is small, the local stress is increased, the reliable driving friction force is ensured, when the clamping force is large, the shrinkage of the whole support ribs 42 is increased, and damage caused by stress concentration can be prevented.
Example 3:
a spraying device for hub production is shown in figures 7 and 8, and aims to solve the spraying problem; the present embodiment is modified from embodiment 1 and embodiment 2 as follows: the spraying mechanism 3 comprises an L-shaped support 28 and a spraying nozzle 32, the L-shaped support 28 is fixed on the outer wall of the top of the base 1 through bolts, the outer wall of the L-shaped support 28 is connected with a lifting plate 34 in a sliding mode through a linear sliding rail 35, the outer wall of the lifting plate 34 is provided with an adjusting plate 31, the spraying nozzle 32 is fixed on the outer wall of the adjusting plate 31 through bolts, and the spraying nozzle 32 is connected with an outer wall spraying pump; when the spraying pump is started, the spraying medium can be conveyed to the spraying nozzle 32, so that the medium is sprayed to the surface of the hub through the spraying nozzle 32; flow guide shells 33 are arranged on two symmetrical sides of the spraying nozzle 32, the flow guide shells 33 are fixed on the outer wall of the adjusting plate 31 through bolts, and air inlets of the two flow guide shells 33 are connected with a heat pump; when the heat pump is started, hot air can be conveyed to the diversion shell 33, the hot air is blown to the surface of the hub through diversion of the diversion shell 33, floating dust on the surface of the hub can be blown off by blowing air of the diversion shell 33 located at the upstream, defects in spraying are prevented, spraying media can be quickly dried by blowing air of the diversion shell 33 located at the downstream, and therefore spraying effect and efficiency are improved.
In order to solve the adjustment problem, as shown in fig. 5 and 6, a lifting motor 29 is fixed on the outer wall of the top of the L-shaped bracket 28 through a bolt, the outer wall of an output shaft of the lifting motor 29 is connected with a lifting screw 30 through a coupler, and the lifting screw 30 is connected to the inner wall of a lifting plate 34 through a thread; when the lifting motor 29 is started, the lifting motor drives the lifting screw rod 30 to rotate, so that the lifting plate 34 is driven to be lifted and adjusted through the threaded connection; the adjusting plate 31 is movably connected with the lifting plate 34 through a telescopic guide column 38, a second spring 39 is sleeved on the outer wall of the telescopic guide column 38, an adjusting screw 37 is rotatably connected to the inner wall of the adjusting plate 31, the outer wall of the adjusting screw 37 is in threaded connection with the lifting plate 34, and a knob 36 is fixed on the outer wall of the adjusting screw 37 through a bolt; when the knob 36 is rotated, the adjusting screw 37 is rotated, so that the adjusting plate 31 and the spraying nozzle 32 on the adjusting plate 31 are driven to move transversely with the guide shell 33 through the connection with the lifting plate 34, the distance between the spraying nozzle and the hub is adjusted, and the spraying effect is further improved.
This embodiment is used: the lifting motor 29 is started to drive the lifting screw rod 30 to rotate, so that the lifting plate 34 is driven to be lifted and adjusted through the threaded connection effect, when the knob 36 is rotated, the adjusting screw rod 37 rotates, so that the adjusting plate 31 and the spraying nozzle 32 on the adjusting plate 31 are driven to transversely move with the guide shell 33 through the connection with the lifting plate 34, the distance between the spraying nozzle and the hub is adjusted, and the spraying effect is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.