CN217222015U - Suspension chain type workpiece paint spraying system - Google Patents

Abstract

The utility model discloses a suspension chain type workpiece paint spraying system, which comprises a suspension chain conveying device and a paint spraying device; the suspension chain conveying device comprises a supporting track, a conveying driving chain, a feeding supporting mechanism, each suspension moving mechanism, each chain driving mechanism and each chain tensioning mechanism; the paint spraying device comprises a paint spraying chamber shell, two manual paint spraying mechanisms and two window cleaning mechanisms. The suspension chain type workpiece paint spraying system can be used for carrying out suspension type transportation on workpieces by utilizing each suspension moving mechanism, so that the workpieces are kept in an upright state, comprehensive paint spraying treatment can be conveniently carried out on the front and back surfaces of the workpieces, and the workpieces after paint spraying processing can meet technological requirements; the paint mist can be sucked by utilizing the matching of the suction fan and the paint mist suction cover, so that the condition that the workshop environment is polluted due to the fact that the paint mist leaks from the through window is prevented; the manual paint spraying mechanism is utilized to facilitate manual paint spraying operation, so that the passing workpiece is subjected to three-dimensional paint spraying without dead angles.

Description

Suspension chain type workpiece paint spraying system

Technical Field

The utility model relates to a paint spraying system, especially a hang chain work piece paint spraying system.

Background

In the process of rust prevention treatment of workpieces, the workpieces need to be sequentially subjected to process treatment such as cleaning, drying, paint spraying and the like, and due to the fact that the workpieces need to be subjected to comprehensive treatment on the whole body, the back of the workpiece placed on the existing conveying belt conveying mode is difficult to completely treat, and the processed workpieces are difficult to meet the process requirements. Therefore, a suspended chain type workpiece paint spraying system is needed to be designed, the workpiece can be conveyed in a suspended flow mode, comprehensive paint spraying treatment can be conveniently carried out on the front side and the back side of the workpiece, and the painted workpiece can meet technological requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the suspension chain type workpiece paint spraying system can be used for performing suspension type flow transportation on workpieces, is convenient for comprehensive paint spraying treatment on the front and back sides of the workpieces, and ensures that the painted workpieces meet technological requirements.

In order to realize the purpose of the utility model, the utility model provides a suspension chain type workpiece paint spraying system, which comprises a suspension chain conveying device and a paint spraying device; the suspension chain conveying device comprises a supporting track, a conveying driving chain, a feeding supporting mechanism, each suspension moving mechanism, each chain driving mechanism and each chain tensioning mechanism; the paint spraying device comprises a paint spraying chamber shell, two manual paint spraying mechanisms and two window cleaning mechanisms;

each supporting upright post is installed on the lower side surface of the supporting track at intervals, and the supporting track is a closed-loop track; each hanging and moving mechanism is movably hung on the side edge of the supporting track and used for hanging each workpiece; the conveying driving chain is positioned above the supporting track and is a closed-loop chain, each hanging and moving mechanism is connected to the conveying driving chain, and the conveying driving chain drives each hanging and moving mechanism to move along the supporting track; the chain driving mechanisms are arranged on the supporting track at intervals and used for synchronously driving the conveying driving chain; each chain tensioning mechanism is arranged on the supporting track and used for tensioning the conveying driving chain; the feeding support mechanism is arranged on a support upright post at a feeding station and used for lifting the workpiece to a hanging height position of the hanging moving mechanism;

two through windows are arranged on the paint spraying chamber shell, and the support rail penetrates through the paint spraying chamber shell through the two through windows; two paint mist partition boards are vertically and parallelly arranged in the paint spraying chamber shell, and the inner part of the paint spraying chamber shell is divided into a paint spraying channel and two operation rooms; the two through windows are positioned at the two ends of the paint spraying channel; an observation window and an operation window are arranged on the two paint mist isolation plates; the two manual paint spraying mechanisms are respectively arranged at the operation windows on the two paint mist isolation plates and are used for manual paint spraying operation; the two window cleaning mechanisms are respectively arranged at the observation windows on the two paint mist isolation plates and used for cleaning the observation windows.

Furthermore, the manual paint spraying mechanism comprises a window frame, a window closing plate, two rubber gloves and two elastic binding rings; the window frame is installed at the edge of the operation window in a butt joint mode; the window closing plate penetrates through the window frame; two operation tubes are arranged on the window closing plate in a penetrating manner, two rubber gloves respectively penetrate through the two operation tubes and extend into the paint spraying channel, the inlets of the two rubber gloves are outwards rolled and then sleeved on the outer tube openings of the two operation tubes, and two elastic binding rings are elastically bound on the rolling edges of the two rubber gloves; and an annular bracket for placing a spray gun is arranged on the inner side surface of the window closing plate.

Furthermore, the window cleaning mechanism comprises a cleaning swing rod, a cleaning cotton sliver, a pressing inclined rod, a supporting ring sleeve, a swinging shaft and a ring sleeve pressure spring; window glass is arranged on the observation window in a sealing way; the swing shaft is rotatably arranged on the paint mist isolation plate in a penetrating mode, a manual crank is arranged at the outer end part of the swing shaft, and a tail end limiting check ring is arranged at the inner end part of the swing shaft; the support ring sleeve is sleeved on the swing shaft in a sliding manner, a synchronous chute is arranged on the swing shaft, and a synchronous sliding block which is embedded into the synchronous chute in a sliding manner is arranged on the support ring sleeve; a ring sleeve pressure spring is sleeved on the swinging shaft and is elastically supported between the tail end limiting retainer ring and the supporting ring sleeve; one end of the pressing inclined rod is hinged to the middle of the cleaning swing rod, and the other end of the pressing inclined rod is fixed on the support ring sleeve; the cleaning cotton sliver is fixed on the cleaning swing rod and pressed on the window glass.

Further, a cleaning fluid storage box is arranged on the paint mist isolation plate; a strip-shaped buffer cavity is arranged in the cleaning swing rod along the length direction of the cleaning swing rod, and buffer cotton is filled in the strip-shaped buffer cavity; liquid outlet holes communicated with the strip-shaped buffer cavities are formed in the cleaning swing rod; the cleaning cotton sliver covers each liquid outlet hole; the cleaning fluid storage tank is communicated with the strip-shaped buffer cavity through a communicating hose, and a switch valve is arranged on the communicating hose.

Further, the suspension moving mechanism comprises a suspension plate, a telescopic connecting rod unit and a workpiece hook unit; four walking support rollers are rotatably mounted on the vertical side surface of the suspension plate; t-shaped supporting grooves are formed in the vertical side faces of the supporting rails along the length direction of the supporting rails, and the four walking supporting rollers are supported and walk on the inner groove edges on the upper side and the lower side of each T-shaped supporting groove in pairs; a side supporting roller is rotatably arranged on the shaft head of the roller supporting shaft, and the side supporting roller is supported and walks on the bottom of the T-shaped supporting groove; a driving connecting rod is arranged at the upper side edge of the suspension plate, and a connecting column is rotatably arranged at the suspended end of the driving connecting rod; the upper end of the connecting column is fixed on the conveying driving chain; the telescopic connecting rod unit is installed on the lower side edge of the suspension plate, the workpiece hook unit is installed on the lower end of the telescopic connecting rod unit, the telescopic connecting rod unit is used for adjusting the mounting height of the workpiece hook unit, and the workpiece is mounted by the workpiece hook unit.

Further, the telescopic connecting rod unit comprises a telescopic sleeve, a telescopic rod, an internal thread pipe, a mounting screw rod and a positioning nut; a closed loop adjusting track is arranged below the supporting tracks and is fixed on each supporting upright post; a telescopic adjusting groove is arranged on the side surface of the adjusting track; the upper end of the telescopic pipe is fixed on the lower side edge of the suspension plate, and the upper end of the telescopic rod is inserted into a pipe orifice at the lower end of the telescopic pipe; a side driving roller is rotatably mounted on the side of the telescopic rod, and the side driving roller is supported and travels in the telescopic adjusting groove; a telescopic guide sliding groove is vertically arranged on the outer wall of the telescopic rod, and a telescopic guide sliding block which is embedded into the telescopic guide sliding groove in a sliding manner is arranged on the inner pipe wall of the telescopic sleeve; the lower end of the telescopic rod is in spherical hinge installation with the upper end of the internal threaded pipe; the upper end of the mounting screw is screwed on the lower end of the internal threaded pipe, the positioning nut is screwed on the mounting screw, and the positioning nut is pressed on the lower end pipe orifice of the internal threaded pipe; the workpiece hook unit is arranged at the lower end of the hanging screw rod.

Further, the workpiece hook unit comprises a strip-shaped hook seat, an L-shaped hook, a locking sleeve and a locking rod; the middle part of the upper side surface of the strip-shaped hook seat is fixed on the lower end of the hanging screw rod, and the upper end of the vertical rod of the L-shaped hook is fixed on one end of the lower side surface of the strip-shaped hook seat; the locking sleeve is vertically fixed on the other end of the lower side surface of the strip-shaped hook seat, and the upper end of the locking rod is movably inserted in the locking sleeve; an unlocking deflector rod is arranged on the side edge of the locking rod; a locking spring elastically pressed on the locking rod is arranged in the locking sleeve and used for pushing the lower end of the locking rod to be pressed on the end part of the horizontal rod of the L-shaped hook.

Further, the feeding supporting mechanism comprises a lifting seat, a U-shaped supporting plate and a lifting adjusting screw rod; the lifting seat is slidably mounted on a supporting upright post at the feeding station; a thread driving seat is arranged on the lifting seat; the lifting adjusting screw is vertically installed on the side edge of the supporting upright post in a rotating mode through a screw support, and the lifting adjusting screw is installed on the thread driving seat in a penetrating mode in a threaded screwing mode; a driving bevel gear is rotatably arranged on the screw support at the lower side, and a rotating handle is rotatably arranged on the driving bevel gear; a driven bevel gear meshed with the driving bevel gear is fixedly arranged at the lower end of the lifting adjusting screw; the U-shaped supporting plate is fixedly arranged on the side edge of the lifting seat.

Further, the chain driving mechanism comprises a motor bracket, a conveying driving motor and a conveying driving gear; the motor bracket is fixedly arranged on the upper side surface of the supporting track, and the conveying driving motor is fixedly arranged on the motor bracket; the conveying driving gear is fixedly arranged on an output shaft of the conveying driving motor and is meshed with the conveying driving chain; the chain clamping roller is rotatably arranged on the motor support, and the conveying driving chain is clamped between the chain clamping roller and the conveying driving gear.

Further, the chain tensioning mechanism comprises an L-shaped tensioning plate, a tensioning spring, a tensioning adjusting bolt and a tensioning gear; the L-shaped tensioning plate is fixedly arranged on the upper side surface of the supporting track, and a rectangular adjusting hole is formed in the horizontal plate of the L-shaped tensioning plate; a rectangular sliding block is arranged on the rectangular adjusting hole in a sliding mode, a pushing seat is arranged on the upper side face of the rectangular sliding block, and the tensioning gear is arranged on the lower side face of the rectangular sliding block in a rotating mode; a bolt support is arranged on a horizontal plate of the L-shaped tensioning plate, a tensioning adjusting bolt is installed on the bolt support in a penetrating threaded screwing mode, and a pressing disc is installed on the end portion of the tensioning adjusting bolt in a rotating mode; the tensioning spring is elastically supported between the pushing seat and the pressing disc and is used for elastically pushing the tensioning gear to be meshed with the conveying driving chain.

The beneficial effects of the utility model reside in that: the workpiece can be transported in a suspension mode by utilizing each suspension moving mechanism, so that the workpiece is kept in an upright state, the front and back sides of the workpiece can be conveniently subjected to comprehensive paint spraying treatment, and the workpiece subjected to paint spraying treatment can meet the technological requirements; each chain driving mechanism is arranged on the supporting track, so that the conveying driving chains can be synchronously driven, and the long-distance transportation performance of the conveying driving chains is ensured; the conveying driving chain can be tensioned by each chain tensioning mechanism, so that the reliability of the chain driving mechanism for driving the conveying driving chain is ensured; the workpiece can be lifted to the mounting height position of the suspension moving mechanism by using the loading support mechanism, so that the labor is effectively saved, and the mounting and loading efficiency of the workpiece is improved; the paint mist can be sucked by utilizing the matching of the suction fan and the paint mist suction cover, so that the condition that the workshop environment is polluted due to the fact that the paint mist leaks from the through window is prevented; the inner part of the paint spraying chamber shell is divided into a paint spraying channel and two operation rooms by using the two paint mist isolation plates, so that paint spraying operation of paint spraying personnel in paint mist is avoided, the damage of the paint mist to the operation personnel is reduced, and the working comfort of the paint spraying personnel can be enhanced; manual paint spraying operation can be conveniently carried out by utilizing the manual paint spraying mechanism, so that the passing workpiece is subjected to three-dimensional dead-corner-free paint spraying; utilize window clearance mechanism can clear up observation window, and need not to get into the passageway that sprays paint in, the sight is clear when guaranteeing to spray paint.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional structure of the system of the present invention;

FIG. 2 is a schematic cross-sectional view of the paint spraying apparatus of the present invention;

FIG. 3 is a schematic cross-sectional view of the operating room of the present invention;

FIG. 4 is a schematic view of a sectional structure of the cleaning swing rod of the present invention;

fig. 5 is a schematic view of a partial sectional structure of the suspension chain conveying device of the present invention;

fig. 6 is a schematic view of a partial top view structure of the present invention;

fig. 7 is a schematic structural view of the chain tensioning mechanism of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1-7, the utility model discloses a hang chain work piece paint spraying system includes: a suspension chain conveying device and a paint spraying device; the suspension chain conveying device comprises a supporting track 1, a conveying driving chain 40, a feeding supporting mechanism, each suspension moving mechanism, each chain driving mechanism and each chain tensioning mechanism; the paint spraying device comprises a paint spraying chamber shell 120, a suction fan 123, two manual paint spraying mechanisms and two window cleaning mechanisms;

each supporting upright post 3 is installed on the lower side surface of the supporting track 1 at intervals, and the supporting track 1 is a closed-loop track; each hanging and moving mechanism is movably mounted on the side edge of the support rail 1 and used for mounting each workpiece 100; the conveying driving chain 40 is positioned above the supporting track 1, the conveying driving chain 40 is a closed-loop chain, each hanging moving mechanism is connected to the conveying driving chain 40, and the conveying driving chain 40 drives each hanging moving mechanism to move along the supporting track 1; the chain driving mechanisms are arranged on the supporting track 1 at intervals and used for synchronously driving the conveying driving chain 40; each chain tensioning mechanism is arranged on the support track 1 and is used for tensioning the conveying drive chain 40; the feeding supporting mechanism is arranged on the supporting upright post 3 at the feeding station and used for lifting the workpiece 100 to the mounting height position of the suspension moving mechanism;

two through windows 121 are arranged on the paint spray booth shell 120, and the support rail 1 penetrates through the paint spray booth shell 120 through the two through windows 121; the suction fan 123 is installed on the outer top of the painting booth housing 120, and a paint mist suction hood 124 is provided on the inner top of the painting booth housing 120; an air inlet of the suction fan 123 is communicated with the paint mist suction cover 124, and an air outlet of the suction fan 123 is communicated with the paint mist purification device; two paint mist partition boards 125 are vertically and parallelly arranged in the paint spraying chamber shell 120 to partition the interior of the paint spraying chamber shell 120 into a paint spraying channel and two operation rooms; a personnel entrance 122 for entering and exiting the operating room is arranged on the spray booth shell 120; two through windows 121 are located on both ends of the painting channel; the two paint mist isolation plates 125 are provided with an observation window 126 and an operation window 160; the two manual paint spraying mechanisms are respectively arranged at the operation windows 160 on the two paint mist isolation plates 125 and are used for manual paint spraying operation; the two window cleaning mechanisms are respectively arranged at the observation windows 126 on the two paint mist isolation plates 125 and are used for cleaning the observation windows 126.

The workpiece 100 can be transported in a suspended manner by utilizing each suspension moving mechanism, so that the workpiece 100 is kept in an upright state, the front and back sides of the workpiece 100 can be conveniently subjected to comprehensive paint spraying treatment, and the workpiece 100 subjected to paint spraying treatment can meet the process requirements; each chain driving mechanism is arranged on the supporting track 1, so that the conveying driving chain 40 can be synchronously driven, and the long-distance transportation performance of the conveying driving chain 40 is ensured; the conveying driving chain 40 can be tensioned by each chain tensioning mechanism, so that the reliability of the chain driving mechanism for driving the conveying driving chain 40 is ensured; the workpiece 100 can be lifted to the mounting height position of the suspension moving mechanism by using the feeding support mechanism, so that the labor is effectively saved, and the mounting and feeding efficiency of the workpiece 100 is improved; the scattered paint mist can be sucked by the matching of the suction fan 123 and the paint mist suction cover 124, and the condition that the paint mist leaks from the through window 121 to cause the environmental pollution of a workshop is prevented; the interior of the paint spray chamber shell 120 is divided into a paint spraying channel and two operation rooms by the two paint mist isolation plates 125, so that paint spraying operation of paint spraying personnel in paint mist is avoided, damage of the paint mist to the operation personnel is reduced, and the working comfort of the paint spraying personnel can be enhanced; manual paint spraying operation can be facilitated by using a manual paint spraying mechanism, so that the passing workpiece 100 is subjected to three-dimensional dead-corner-free paint spraying; the observation window 126 can be cleaned by the window cleaning mechanism without entering a paint spraying channel, so that clear sight is ensured during paint spraying.

Further, the manual paint spraying mechanism comprises a window frame 150, a window closing plate 151, two rubber gloves 153 and two elastic binding rings 155; the window frame 150 is installed at the edge of the operation window 160 in a butt joint mode; the window closing plate 151 penetrates through the window frame 150, and a sealing strip is arranged at the penetrating position; two operation tubes 152 penetrate through the window closing plate 151, two rubber gloves 153 penetrate through the two operation tubes 152 respectively and extend into the paint spraying channel, inlets of the two rubber gloves 153 are rolled outwards and then sleeved on outer tube openings of the two operation tubes 152, and two elastic binding rings 155 are elastically bound on the rolling edges of the two rubber gloves 153; an annular support 154 for placing a spray gun is provided on the inner side of the window closing plate 151.

By matching the window frame 150 with the window closing plate 151, the positions of the two operating pipes 152 can be conveniently moved when the spray gun is used, so that the moving range of the handheld spray gun can be enlarged when the spray gun is used for spraying paint; the sealing performance can be enhanced by the matching of the rubber gloves 153 and the elastic binding rings 155, and the rubber gloves 153 can be conveniently replaced; the use of the annular support 154 facilitates placement of the spray gun and thus access to the spray gun by the spray operator.

Further, the window cleaning mechanism comprises a cleaning swing rod 144, a cleaning cotton sliver 158, a pressing inclined rod 147, a supporting ring 145, a swing shaft 129 and a ring pressure spring 149; a window glass 127 is hermetically arranged on the observation window 126; the oscillating shaft 129 is rotatably mounted on the paint mist isolation plate 125 in a penetrating manner, a manual crank 133 is arranged at the outer end part of the oscillating shaft 129, and a limit retaining ring 148 is arranged at the inner end part of the oscillating shaft 129; the supporting ring sleeve 145 is sleeved on the swinging shaft 129 in a sliding manner, a synchronous chute 146 is arranged on the swinging shaft 129, and a synchronous sliding block which is embedded in the synchronous chute 146 in a sliding manner is arranged on the supporting ring sleeve 145; a ring sleeve pressure spring 149 is sleeved on the swinging shaft 129 and is elastically supported between the limit retainer ring 148 and the support ring sleeve 145; one end of the pressing inclined rod 147 is hinged to the middle part of the cleaning swing rod 144, and the other end is fixed on the supporting ring sleeve 145; the cleaning tampon 158 is fixed to the cleaning swing bar 144 and presses against the window glass 127.

The supporting ring 145 can be elastically pressed by the ring pressure spring 149, so that the cleaning cotton sliver 158 can be tightly pressed on the window glass 127, and the cleaning swing rod 144 can be driven to swing by the manual crank 133, so that the cleaning cotton sliver 158 can swing on the window glass 127 to clean the attached paint; the support ring 145 and the swing shaft 129 can be rotated in synchronization with each other by the cooperation of the synchronization slide 146 and the synchronization slider.

Further, a cleaning liquid storage tank 128 is arranged on the paint mist isolation plate 125; a strip-shaped buffer cavity 156 is arranged in the cleaning swing rod 144 along the length direction of the cleaning swing rod, and buffer cotton 157 is filled in the strip-shaped buffer cavity 156; liquid outlet holes 159 communicated with the strip-shaped buffer cavities 156 are formed in the cleaning swing rod 144; a cleaning cotton sliver 158 covers each liquid outlet hole 159; the cleaning liquid storage tank 128 is communicated with the strip-shaped buffer cavity 156 through a communication hose 132, and a switch valve 131 is arranged on the communication hose 132; a cleaning liquid inlet 130 is provided in the cleaning liquid storage tank 128.

The cleaning liquid storage box 128 can be used for storing cleaning liquid, such as alcohol, and the cleaning cotton strip 158 is soaked, so that the cleaning degree of the window glass 127 is ensured; the cleaning solution can be buffered by the buffer cotton 157, so that the cleaning solution can be slowly released onto the cleaning cotton sliver 158, and the waste caused by dripping due to quick release of the cleaning solution is avoided; the cleaning liquid can be controlled to be opened and closed by using the switch valve 131; the use of the cleaning fluid injection port 130 can facilitate replenishment of the cleaning fluid.

Further, the suspension moving mechanism comprises a suspension plate 5, a telescopic connecting rod unit and a workpiece hook unit; four roller supporting shafts are arranged on the vertical side surface of the suspension plate 5, and a walking supporting roller 51 is rotatably arranged on each of the four roller supporting shafts; t-shaped supporting grooves 2 are formed in the vertical side faces of the supporting rails 1 along the length direction of the supporting rails, and four walking supporting rollers 51 are supported and walk on the upper inner groove side and the lower inner groove side of each T-shaped supporting groove 2 in pairs; a side supporting roller 50 is rotatably mounted on the shaft head of the roller supporting shaft, and the side supporting roller 50 is supported and walks on the bottom of the T-shaped supporting groove 2; a driving connecting rod 37 is arranged at the upper side edge of the suspension plate 5, and a connecting column 38 is rotatably arranged at the suspended end of the driving connecting rod 37; the upper end of the connecting column 38 is fixed on a conveying driving chain 40 at a corresponding position; the telescopic link unit is installed on the lower side edge of the suspension plate 5, the workpiece hooking unit is installed on the lower end of the telescopic link unit, the workpiece hooking height of the workpiece hooking unit is adjusted by the telescopic link unit, and the workpiece 100 is hooked by the workpiece hooking unit.

The T-shaped supporting groove 2 is matched with the four walking supporting rollers 51, so that the stable movement of the suspension plate 5 can be ensured, and the movement resistance is reduced; the vertical state of the suspension plate 5 can be kept by utilizing the supporting action of the side supporting rollers 50, and the stability of the transportation of the workpiece 100 is ensured; the hanging height of the workpiece 100 can be adjusted as required by using the telescopic connecting rod unit, so that the processing height requirements of each processing device are met; the detachable mounting of the workpiece 100 can be facilitated by the workpiece hooking unit.

Further, the telescopic connecting rod unit comprises a telescopic sleeve 6, a telescopic rod 7, an internal threaded pipe 12, a mounting screw 14 and a positioning nut 13; a closed loop adjusting track 19 is arranged below the supporting track 1, and the adjusting track 19 is fixed on each supporting upright post 3; a telescopic adjusting groove 20 is arranged on the side surface of the adjusting track 19; the upper end of the telescopic tube 6 is fixed on the lower side edge of the suspension plate 5, and the upper end of the telescopic rod 7 is inserted into a lower end pipe orifice of the telescopic tube 6; a side driving roller 9 is rotatably mounted on the side of the telescopic rod 7 through a side wheel shaft 22, and the side driving roller 9 is supported and travels in the telescopic adjusting groove 20; a telescopic guide sliding groove 8 is vertically arranged on the outer wall of the telescopic rod 7, and a telescopic guide sliding block which is embedded into the telescopic guide sliding groove 8 in a sliding manner is arranged on the inner pipe wall of the telescopic sleeve 6; the lower end of the telescopic rod 7 is provided with a spherical hinge seat 10, and the upper end of the internal threaded pipe 12 is spherically hinged and installed on the spherical hinge seat 10 through a spherical hinge head 11; the upper end of the mounting screw 14 is screwed on the lower end of the internal threaded pipe 12, the positioning nut 13 is screwed on the mounting screw 14, and the positioning nut 13 is pressed on the lower end pipe orifice of the internal threaded pipe 12; the workpiece hooking unit is mounted on the lower end of the mounting screw 14.

By means of the matching of the side driving roller 9 and the telescopic adjusting groove 20, the telescopic length of the telescopic rod 7 can be adjusted according to the setting height of the adjusting track 19, so that the mounting height of the workpiece 100 can be adjusted; by means of spherical hinged installation of the spherical hinge seat 10 and the spherical hinge 11, swing of the internal threaded pipe 12 can be facilitated, and therefore hanging operation of the workpiece 100 is facilitated; the height of the device can be adjusted according to different types and sizes of workpieces 100 by matching the mounting screw 14 with the internal threaded pipe 12, so that the device has good adaptability; the adjustment length of the mounting screw 14 can be positioned by the positioning nut 13.

Further, the workpiece hook unit comprises a strip-shaped hook seat 15, an L-shaped hook 16, a locking sleeve 17 and a locking rod 18; the middle part of the upper side surface of the strip-shaped hook seat 15 is fixed on the lower end of the hanging screw 14, and the upper end of the vertical rod of the L-shaped hook 16 is fixed on one end of the lower side surface of the strip-shaped hook seat 15; the locking sleeve 17 is vertically fixed on the other end of the lower side surface of the strip-shaped hook seat 15, and the upper end of the locking rod 18 is movably inserted in the locking sleeve 17; an unlocking deflector rod 21 is arranged on the side edge of the locking rod 18; a locking spring resiliently pressing on the locking lever 18 is provided in the locking bush 17 for urging the lower end of the locking lever 18 to press on the horizontal rod end of the L-shaped hook 16.

By the cooperation of the locking sleeve 17, the locking rod 18 and the locking spring, the lower end of the locking rod 18 can be pressed on the end part of the horizontal rod of the L-shaped hook 16 to realize locking, so that the workpiece 100 is prevented from falling off in the transportation process; unlocking by dialing up the lock lever 18 can be facilitated by the unlock lever 21, thereby enabling loading and unloading of the workpiece 100.

Further, the feeding support mechanism comprises a lifting seat 26, a U-shaped support plate 28 and a lifting adjusting screw 25; the lifting seat 26 is slidably mounted on the support upright 3 at the feeding station, the support upright 3 is provided with a lifting guide chute 23, and the lifting seat 26 is provided with a lifting guide slide block slidably embedded in the lifting guide chute 23; a screw driving seat 27 is arranged on the lifting seat 26; the lifting adjusting screw 25 is vertically installed on the side edge of the supporting upright post 3 in a rotating mode through the screw support 24, and the lifting adjusting screw 25 is installed on the thread driving seat 27 in a penetrating mode in a threaded screwing mode; a driving bevel gear 31 is rotatably mounted on the lower screw support 24, and a rotating handle 32 is rotatably mounted on the driving bevel gear 31; a driven bevel gear 30 engaged with the driving bevel gear 31 is fixedly installed on the lower end of the elevation adjusting screw 25; the U-shaped supporting plate 28 is fixedly installed on the side of the lifting base 26, and a non-slip mat 29 is arranged on the upper side of the horizontal plate of the U-shaped supporting plate 28.

The lifting driving of the lifting seat 26 can be realized by the arrangement of the driving bevel gear 31, the driven bevel gear 30 and the rotating handle 32, which can facilitate the manual adjustment of the lifting adjusting screw rod 25; the use of the U-shaped support plate 28 can facilitate the batch placement of the workpieces 100, thereby raising the batch of workpieces 100 to the mounting height position, facilitating the operator to quickly mount the workpieces 100 on the workpiece hooking unit; the non-slip performance can be provided by the non-slip mat 29.

Further, the chain driving mechanism includes a motor bracket 33, a conveying driving motor 34 and a conveying driving gear 35; the motor bracket 33 is fixedly arranged on the upper side surface of the supporting track 1, and the conveying driving motor 34 is fixedly arranged on the motor bracket 33; the conveying driving gear 35 is fixedly arranged on an output shaft of the conveying driving motor 34, and the conveying driving gear 35 is meshed with the conveying driving chain 40; a chain gripping roller 36 is rotatably mounted on the motor bracket 33, and a conveying drive chain 40 is gripped between the chain gripping roller 36 and the conveying drive gear 35.

By the clamping action of the chain clamping roller 36 and the conveying driving gear 35, the conveying driving gear 35 is tightly meshed with the conveying driving chain 40, and the phenomenon of tooth jumping and slipping in the driving process is prevented.

Further, the chain tensioning mechanism includes an L-shaped tensioning plate 39, a tensioning spring 46, a tensioning adjustment bolt 41, and a tensioning gear 44; the L-shaped tensioning plate 39 is fixedly arranged on the upper side surface of the supporting track 1, and a rectangular adjusting hole 49 is formed in the horizontal plate of the L-shaped tensioning plate 39; a rectangular sliding block 48 is slidably mounted on the rectangular adjusting hole 49, a pushing seat 47 is arranged on the upper side surface of the rectangular sliding block 48, and a gear mounting shaft 43 is arranged on the lower side surface of the rectangular sliding block 48; the tension gear 44 is rotatably mounted on the gear mounting shaft 43; a bolt support 42 is arranged on a horizontal plate of the L-shaped tensioning plate 39, a tensioning adjusting bolt 41 is installed on the bolt support 42 in a penetrating threaded manner, and a pressing disc 45 is installed on the end part of the tensioning adjusting bolt 41 in a rotating manner; the tension spring 46 is elastically supported between the pressing seat 47 and the pressing disk 45 for elastically urging the tension gear 44 to be engaged with the conveying drive chain 40.

The tensioning gear 44 can be elastically pushed to be meshed with the conveying driving chain 40 by using the tensioning spring 46, so that a certain tension degree of the conveying driving chain 40 is ensured, and the driving stability of the conveying driving chain 40 is ensured; the elastic force of the tension spring 46 can be adjusted by the tension adjusting bolt 41, so that the tension can be adjusted.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a hang chain formula work piece paint spraying system which characterized in that: comprises a suspension chain conveying device and a paint spraying device; the suspension chain conveying device comprises a supporting track (1), a conveying driving chain (40), a loading supporting mechanism, each suspension moving mechanism, each chain driving mechanism and each chain tensioning mechanism; the paint spraying device comprises a paint spraying chamber shell (120), two manual paint spraying mechanisms and two window cleaning mechanisms;

each supporting upright post (3) is installed on the lower side surface of the supporting track (1) at intervals, and the supporting track (1) is a closed-loop track; each hanging and moving mechanism is movably mounted on the side edge of the support rail (1) and used for mounting each workpiece (100); the conveying driving chain (40) is positioned above the supporting track (1), the conveying driving chain (40) is a closed-loop chain, each hanging moving mechanism is connected to the conveying driving chain (40), and the conveying driving chain (40) drives each hanging moving mechanism to move along the supporting track (1); the chain driving mechanisms are arranged on the supporting track (1) at intervals and used for synchronously driving the conveying driving chain (40); each chain tensioning mechanism is arranged on the support track (1) and is used for tensioning the conveying driving chain (40); the feeding supporting mechanism is arranged on a supporting upright post (3) at a feeding station and used for lifting the workpiece (100) to the mounting height position of the suspension moving mechanism;

two through windows (121) are arranged on the paint spraying chamber shell (120), and the support rail (1) penetrates through the paint spraying chamber shell (120) through the two through windows (121); two paint mist partition plates (125) are vertically and parallelly arranged in the paint spraying chamber shell (120) to partition the interior of the paint spraying chamber shell (120) into a paint spraying channel and two operation rooms; two through windows (121) are located at both ends of the painting channel; an observation window (126) and an operation window (160) are arranged on the two paint mist isolation plates (125); the two manual paint spraying mechanisms are respectively arranged at the operation windows (160) on the two paint mist isolation plates (125) and are used for manual paint spraying operation; the two window cleaning mechanisms are respectively arranged at the observation windows (126) on the two paint mist isolation plates (125) and used for cleaning the observation windows (126).

2. The hanging chain workpiece painting system of claim 1, wherein: the manual paint spraying mechanism comprises a window frame (150), a window closing plate (151), two rubber gloves (153) and two elastic binding rings (155); the window frame (150) is installed at the edge of the operation window (160) in a butt joint mode; the window closing plate (151) penetrates through the window frame (150); two operation tubes (152) penetrate through the window closing plate (151), two rubber gloves (153) penetrate through the two operation tubes (152) respectively and extend into the paint spraying channel, inlets of the two rubber gloves (153) are outwards rolled and then sleeved on outer tube openings of the two operation tubes (152), and two elastic binding rings (155) are elastically bound on the rolled edges of the two rubber gloves (153); an annular bracket (154) for placing a spray gun is arranged on the inner side surface of the window closing plate (151).

3. The hanging chain workpiece painting system of claim 1, wherein: the window cleaning mechanism comprises a cleaning swing rod (144), a cleaning cotton sliver (158), a pressing inclined rod (147), a supporting ring sleeve (145), a swinging shaft (129) and a ring sleeve pressure spring (149); a window glass (127) is arranged on the observation window (126) in a sealing way; the swing shaft (129) is rotatably arranged on the paint mist isolation plate (125) in a penetrating way, a manual crank (133) is arranged at the outer end part of the swing shaft (129), and a tail end limit retaining ring (148) is arranged at the inner end part of the swing shaft (129); the supporting ring sleeve (145) is sleeved on the swinging shaft (129) in a sliding manner, a synchronous sliding groove (146) is formed in the swinging shaft (129), and a synchronous sliding block which is embedded into the synchronous sliding groove (146) in a sliding manner is arranged on the supporting ring sleeve (145); a ring sleeve pressure spring (149) is sleeved on the swinging shaft (129) and elastically supported between the tail end limit retainer ring (148) and the support ring sleeve (145); one end of the pressing inclined rod (147) is hinged to the middle of the cleaning swing rod (144), and the other end of the pressing inclined rod is fixed on the supporting ring sleeve (145); the cleaning cotton sliver (158) is fixed on the cleaning swing rod (144) and presses on the window glass (127).

4. The hanging chain workpiece painting system of claim 3, wherein: a cleaning liquid storage box (128) is arranged on the paint mist isolation plate (125); a strip-shaped buffer cavity (156) is arranged in the cleaning swing rod (144) along the length direction of the cleaning swing rod, and buffer cotton (157) is filled in the strip-shaped buffer cavity (156); liquid outlet holes (159) communicated with the strip-shaped buffer cavities (156) are formed in the cleaning swing rod (144); a cleaning cotton sliver (158) covers each liquid outlet hole (159); the cleaning fluid storage tank (128) is communicated with the strip-shaped buffer cavity (156) through a communication hose (132), and a switch valve (131) is arranged on the communication hose (132).

5. The hanging chain workpiece painting system of claim 1, wherein: the suspension moving mechanism comprises a suspension plate (5), a telescopic connecting rod unit and a workpiece hook unit; four walking support rollers (51) are rotatably arranged on the vertical side surface of the suspension plate (5); t-shaped supporting grooves (2) are formed in the vertical side faces of the supporting rails (1) along the length direction of the supporting rails, and four walking supporting rollers (51) are supported and walk on the inner groove edges on the upper side and the lower side of each T-shaped supporting groove (2) in pairs respectively; a side supporting roller (50) is rotatably arranged on the shaft head of the roller supporting shaft, and the side supporting roller (50) is supported and walks on the bottom of the T-shaped supporting groove (2); a driving connecting rod (37) is arranged at the upper side edge of the hanging plate (5), and a connecting column (38) is rotatably arranged at the suspension end of the driving connecting rod (37); the upper end of the connecting column (38) is fixed on the conveying driving chain (40); the telescopic connecting rod unit is arranged on the lower side edge of the suspension plate (5), the workpiece hook unit is arranged at the lower end of the telescopic connecting rod unit, the mounting height of the workpiece hook unit is adjusted by the telescopic connecting rod unit, and the workpiece (100) is mounted by the workpiece hook unit.

6. The hanging chain workpiece painting system of claim 5, wherein: the telescopic connecting rod unit comprises a telescopic sleeve (6), a telescopic rod (7), an internal threaded pipe (12), a mounting screw rod (14) and a positioning nut (13); a closed-loop adjusting track (19) is arranged below the supporting track (1), and the adjusting track (19) is fixed on each supporting upright post (3); a telescopic adjusting groove (20) is arranged on the side surface of the adjusting track (19); the upper end of the telescopic sleeve (6) is fixed on the lower side edge of the suspension plate (5), and the upper end of the telescopic rod (7) is inserted into a pipe orifice at the lower end of the telescopic sleeve (6); a side driving roller (9) is rotatably arranged on the side of the telescopic rod (7), and the side driving roller (9) is supported and walks in the telescopic adjusting groove (20); a telescopic guide sliding groove (8) is vertically arranged on the outer wall of the telescopic rod (7), and a telescopic guide sliding block which is embedded into the telescopic guide sliding groove (8) in a sliding manner is arranged on the inner pipe wall of the telescopic sleeve (6); the lower end of the telescopic rod (7) is in spherical hinge installation with the upper end of the internal threaded pipe (12); the upper end of the mounting screw (14) is screwed on the lower end of the internal threaded pipe (12), the positioning nut (13) is screwed on the mounting screw (14), and the positioning nut (13) is pressed on the lower end pipe orifice of the internal threaded pipe (12); the workpiece hooking unit is installed on the lower end of the mounting screw (14).

7. The hanging chain workpiece painting system of claim 6, wherein: the workpiece hook unit comprises a strip-shaped hook seat (15), an L-shaped hook (16), a locking sleeve (17) and a locking rod (18); the middle part of the upper side surface of the strip-shaped hook seat (15) is fixed on the lower end of the hanging screw (14), and the upper end of a vertical rod of the L-shaped hook (16) is fixed on one end of the lower side surface of the strip-shaped hook seat (15); the locking sleeve (17) is vertically fixed on the other end of the lower side surface of the strip-shaped hook seat (15), and the upper end of the locking rod (18) is movably inserted into the locking sleeve (17); an unlocking deflector rod (21) is arranged on the side edge of the locking rod (18); a locking spring which is elastically pressed on the locking rod (18) is arranged in the locking sleeve (17) and is used for pushing the lower end of the locking rod (18) to be pressed on the end part of the horizontal rod of the L-shaped hook (16).

8. The hanging chain workpiece painting system of claim 1, wherein: the feeding supporting mechanism comprises a lifting seat (26), a U-shaped supporting plate (28) and a lifting adjusting screw rod (25); the lifting seat (26) is arranged on the supporting upright post (3) at the feeding station in a sliding manner; a thread driving seat (27) is arranged on the lifting seat (26); the lifting adjusting screw rod (25) is vertically installed on the side edge of the supporting upright post (3) in a rotating mode through a screw rod support (24), and the lifting adjusting screw rod (25) is installed on the thread driving seat (27) in a penetrating mode in a threaded screwing mode; a driving bevel gear (31) is rotatably mounted on the screw support (24) at the lower side, and a rotating handle (32) is rotatably mounted on the driving bevel gear (31); a driven bevel gear (30) engaged with the driving bevel gear (31) is fixedly arranged on the lower end of the lifting adjusting screw rod (25); the U-shaped supporting plate (28) is fixedly arranged on the side edge of the lifting seat (26).

9. The hanging chain workpiece painting system of claim 1, wherein: the chain driving mechanism comprises a motor bracket (33), a conveying driving motor (34) and a conveying driving gear (35); the motor bracket (33) is fixedly arranged on the upper side surface of the supporting track (1), and the conveying driving motor (34) is fixedly arranged on the motor bracket (33); the conveying driving gear (35) is fixedly arranged on an output shaft of the conveying driving motor (34), and the conveying driving gear (35) is meshed with the conveying driving chain (40); a chain clamping roller (36) is rotatably mounted on the motor bracket (33), and a conveying driving chain (40) is clamped between the chain clamping roller (36) and the conveying driving gear (35).

10. The hanging chain workpiece painting system of claim 1, wherein: the chain tensioning mechanism comprises an L-shaped tensioning plate (39), a tensioning spring (46), a tensioning adjusting bolt (41) and a tensioning gear (44); the L-shaped tensioning plate (39) is fixedly arranged on the upper side surface of the supporting track (1), and a rectangular adjusting hole (49) is formed in the horizontal plate of the L-shaped tensioning plate (39); a rectangular sliding block (48) is arranged on the rectangular adjusting hole (49) in a sliding mode, a pushing seat (47) is arranged on the upper side face of the rectangular sliding block (48), and a tensioning gear (44) is arranged on the lower side face of the rectangular sliding block (48) in a rotating mode; a bolt support (42) is arranged on a horizontal plate of the L-shaped tensioning plate (39), a tensioning adjusting bolt (41) is installed on the bolt support (42) in a penetrating threaded screwing mode, and a pressing disc (45) is installed on the end portion of the tensioning adjusting bolt (41) in a rotating mode; the tension spring (46) is elastically supported between the pushing seat (47) and the pressing disc (45) and is used for elastically pushing the tension gear (44) to be meshed with the conveying driving chain (40).

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