Circulating atomization oil injection equipment for differential shell and using method of circulating atomization oil injection equipment

Abstract

The invention discloses circulating atomization oil injection equipment for a differential shell and a using method of the circulating atomization oil injection equipment, and relates to the technical field of atomization oil injection equipment.The circulating atomization oil injection equipment comprises an oil injection bin, a recycling base, two transverse clamping racks and two longitudinal clamping racks, and an oil injection channel is formed in the oil injection bin; and a plurality of atomizing oil spraying sets in an annular array are arranged on the inner side of the oil spraying channel, the recycling base is connected to the bottom of the oil spraying bin, and shell clamps are connected to the inner side of the transverse clamping rack and the inner side of the longitudinal clamping rack correspondingly. According to the oil spraying device, oil spraying work can be conducted on the inner surface and the outer surface of the differential mechanism shell at the same time, switching of clamping actions can be completed in the oil spraying process, full coverage of oil spraying is guaranteed through two times of spraying work, oil liquid generated in the oil spraying machining process can be collected, oil stains on spraying equipment on the inner surface can be scraped away, and the oil spraying efficiency is improved. The automatic machining action of the differential mechanism shell can be achieved through a unique clamp structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of atomizing oil injection equipment, more particularly, the present application relates to a circulating atomizing oil injection equipment for differential housing and a method for using the same. BACKGROUND

[0002] The automobile differential can make the left and right (or front and rear) drive wheels rotate at different speeds. The differential housing will generate friction during use, which will cause damage to the differential. The differential housing needs to be sprayed with oil after production and processing to increase its wear resistance. After searching, the existing patent (publication number: CN119016241A) discloses a paint spraying device for differential housing, which comprises a conveying device, a conveying track and a differential housing, and further comprises a paint spraying assembly located above the conveying device; the paint spraying assembly comprises a support plate, a walking device, an internal paint spraying part, an air inlet part, a booster part and an external paint spraying part; the support plate is located below the conveying track, and the walking device is fixed on the support plate near the conveying track, which can drive the paint spraying assembly to move along the direction of the conveying track; the differential housing is an elliptical cylinder with a hollow interior, an open end, a large head and a small head, and a protruding part is fixed to the end away from the open end of the differential housing; the protruding part is a hollow conical frustum with two open ends; the mounting hole of the mounting plate two can be plugged while the differential housing is conveyed, the paint spraying position does not need to be adjusted frequently, and uniform spraying of the inner and outer surfaces of the differential housing can be achieved. The inventor found the following problems in the implementation of the present application: The existing differential housing spraying equipment is usually conveyed by a conveying track or clamped and fed. This conveying method cannot spray the contact part of the differential housing and the conveying equipment, which affects the spraying effect of the differential housing and cannot guarantee the uniformity of the spraying.

[0003] Therefore, in view of the above problems in the related art, a circulating atomizing oil injection equipment for differential housing and a method for using the same are provided. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the present application provides a circulating atomizing oil injection equipment for differential housing and a method for using the same to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a circulating atomizing oil injection equipment for differential housing, comprising a spray oil bin, a recovery base, two groups of transverse clamping racks and two groups of longitudinal clamping racks, a spray oil channel is arranged in the spray oil bin, and a plurality of groups of atomizing oil injection groups in ring array are arranged on the inner side of the spray oil channel, and the recovery base is connected to the bottom of the spray oil bin. The two groups of transverse clamping racks are symmetrical to each other, and the two groups of longitudinal clamping racks are symmetrical to each other, the two groups of transverse clamping racks and the two groups of longitudinal clamping racks are arranged in the oil injection channel, and the inner sides of the transverse clamping racks and the longitudinal clamping racks are connected with the shell clamps, and the two groups of longitudinal clamping racks are connected with the oil scraping sleeve ring.

[0006] Preferably, the two ends of the recovery base are respectively connected with front and rear connecting plates, the top of the rear connecting plate is connected with an inner spraying connecting block, one side of the inner spraying connecting block is connected with a center spraying pipe, the center spraying pipe is arranged at the center position of the oil injection chamber, a plurality of spraying connecting holes are arranged on the outer side of the center spraying pipe, and atomizing nozzles are connected in the spraying connecting holes.

[0007] Preferably, the oil injection chamber is a hollow structure, the inner wall of the oil injection channel is a mesh structure, a filter plate is connected between the oil injection chamber and the recovery base, an oil storage tank and a recovery oil tank are connected to the top of one side of the recovery base, an oil extraction pipe is connected between the recovery oil tank and the recovery base, one side of the atomizing oil injection group is connected with a connecting oil pipe, and the plurality of connecting oil pipes and the center spraying pipe are connected into the oil storage tank.

[0008] Preferably, the inner sides of the two ends of the oil scraping sleeve ring are chamfered, an oil scraping rubber ring is connected in the oil scraping sleeve ring, a cleaning soft brush is arranged on the inner side of the oil scraping rubber ring, the inner diameter of the oil scraping rubber ring is greater than the diameter of the center spraying pipe, a driving connecting plate is arranged on the side of the inner spraying connecting block away from the oil injection chamber, and a driving machine box is arranged on one side of the driving connecting plate.

[0009] Preferably, two groups of driving motors are arranged in the driving machine box, driving lead screws are arranged in the transverse clamping racks and the longitudinal clamping racks, the two groups of driving motors are respectively connected with the driving lead screws in one group of transverse clamping racks and one group of longitudinal clamping racks through shaft keys, and the driving lead screws in the two groups of transverse clamping racks and the driving lead screws in the two groups of longitudinal clamping racks are respectively connected through belts.

[0010] Preferably, the two ends of the transverse clamping rack are respectively connected with an inlet end driving box and an outlet end driving box, the two ends of the longitudinal clamping rack are respectively connected with a loosening and discharging box and a clamping and discharging box, a moving sliding block is connected to the bottom of the shell clamp, the moving sliding block is sleeved on the outer side of the driving lead screw through threads, and a clamp pressure head is slidingly connected to the side of the shell clamp close to the center spraying pipe.

[0011] Preferably, the shell clamp is provided with a first one-way gear and a second one-way gear, the release discharge box and the inlet end driving box are provided with a first driving gear plate engaged with the first one-way gear, the clamping discharge box and the outlet end driving box are provided with a second driving gear plate engaged with the second one-way gear, the first one-way gear and the second one-way gear are provided with ratchet grooves, and the first one-way gear and the second one-way gear are connected by a telescopic gear through a rotating shaft.

[0012] Preferably, the ratchet groove is provided with a one-way rotating wheel, the two sides of the one-way rotating wheel are provided with connecting grooves, the connecting grooves are connected with one-way pawls buckled with the ratchet groove through a rotating shaft, the one-way pawls and the connecting grooves are connected with connecting springs, one end of the clamp pressure head is connected with a telescopic gear plate engaged with the telescopic gear, and the outer side of the telescopic gear plate is slidingly connected with a fixed clamping block.

[0013] Preferably, the fixed clamping block is provided with a limiting worm and a limiting gear, the limiting worm and the limiting gear are engaged, the bottom of the telescopic gear plate is provided with a limiting self-locking gear plate engaged with the limiting gear, one side of the front connecting plate is provided with a feeding conveying table, and the front connecting plate and the feeding conveying table are provided with a discharging conveying table.

[0014] Preferably, a circulating atomizing oil injection equipment for differential housing and a use method thereof, the use method comprising the following steps: Step one: the differential housing needing to be processed for oil injection is transported to between two groups of transverse clamping racks by the feeding conveying table, and the differential housing is clamped and transported by the clamp pressure head connected by the two groups of transverse clamping racks; Step two: the differential housing is transported into the oil injection warehouse for oil injection treatment by the clamp pressure head connected by the two groups of transverse clamping racks, and the clamp pressure head connected by the two groups of longitudinal clamping racks and the clamp pressure head connected by the two groups of transverse clamping racks are synchronously transported into the oil injection warehouse; Step three: the differential housing is sprayed on the outside by a plurality of atomizing oil injection groups in the oil injection warehouse, and at the same time, the inside of the differential housing is sprayed by the center spraying pipe; Step four: after the differential housing completes the first oil injection in the oil injection warehouse, the differential housing is clamped and fixed by the clamp pressure head connected by the two groups of longitudinal clamping racks, and is moved in the reverse direction, and at this time, the differential housing is released by the clamp pressure head connected by the two groups of transverse clamping racks; Step five: the differential housing is sprayed for the second time during the reverse movement, and the place covered by the clamp pressure head connected by the two groups of transverse clamping racks is sprayed; Step six: the differential housing is released by the clamp press head connected by the two groups of transverse clamping frames when moving to the discharge conveying table, and at this time the differential housing falls into the discharge conveying table and is conveyed out; Step seven: the oil liquid falling during processing enters the recovery base and is purified and recovered into the recovery oil tank, and the purified and filtered oil liquid enters the oil storage tank for recycling.

[0015] The technical effects and advantages of the present application are: 1. Compared with the prior art, the circulating atomized oil spraying equipment for differential housing and the using method thereof can simultaneously spray oil on the inner and outer surfaces of the differential housing, can complete the switching of the clamping action during the oil spraying process, and can ensure full coverage of the oil spraying through two spraying operations. The differential housing is sprayed in the oil spraying channel of the oil spraying warehouse during the clamping and transportation process, the outer surface of the differential housing is sprayed by the atomized oil spraying group, and the oil liquid is atomized by the atomized spray head in the center spray pipe and sprayed to the inner surface of the differential housing through the spray connection hole.

[0016] 2. Compared with the prior art, the circulating atomized oil spraying equipment for differential housing and the using method thereof can collect the oil liquid generated during the oil spraying process and can scrape off the oil stains on the inner surface spraying equipment. The oil scraping sleeve ring cleans the outer side of the center spray pipe during movement, the oil scraping rubber ring can be bent and deformed during movement, and the oil liquid in the spray connection hole of the center spray pipe can be cleaned by the cleaning soft hair brush on the inner side of the oil scraping rubber ring, so that the situation that the spray connection hole is blocked by the oil liquid and cannot be atomized and sprayed is avoided. The oil liquid falling in the oil spraying channel can fall to the recovery base through the filter plate, the filter plate can block large pieces of debris above the filter plate, and the oil liquid falling into the recovery base is pumped into the recovery oil tank through the connecting oil pipe for recovery and filtration, and recycling.

[0017] 3、Compared with the prior art, the circulating atomizing oil injection equipment for the differential housing and the using method thereof can realize automatic machining action of the differential housing through a unique clamp structure. When the housing clamp connected with the transverse clamping frame moves from the front connecting plate to the rear connecting plate, the housing clamp always keeps clamping state and performs relaxation action when passing through the outlet end driving box. When the housing clamp connected with the transverse clamping frame moves from the rear connecting plate to the front connecting plate, the housing clamp always keeps relaxation action and performs clamping action on the differential housing to be machined when passing through the inlet end driving box. When the housing clamp connected with the longitudinal clamping frame moves from the front connecting plate to the rear connecting plate, the housing clamp always keeps relaxation action and performs clamping action on the differential housing to be machined when passing through the clamping and unloading box. When the housing clamp connected with the longitudinal clamping frame moves from the rear connecting plate to the front connecting plate, the housing clamp always keeps clamping state and performs relaxation action when passing through the relaxation and unloading box, thereby completing the unloading and relaxation action of the differential housing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of the whole application; Figure 2 is a structural schematic diagram of the oil injection warehouse of the application; Figure 3 is a structural schematic diagram of the front view of the oil injection warehouse of the application; Figure 4 is a structural schematic diagram of the side section of the central spraying pipe of the application; Figure 5 is a structural schematic diagram of the internal structure of the driving connecting plate of the application; Figure 6 is a structural schematic diagram of the connecting structure of the driving connecting plate of the application; Figure 7 is a structural schematic diagram of the oil scraping sleeve ring of the application; Figure 8 is a structural schematic diagram of the connecting structure of the housing clamp of the application; Figure 9 is a structural schematic diagram of the connecting structure of the No. 1 driving gear plate of the application; Figure 10 is a structural schematic diagram of the connecting structure of the No. 2 driving gear plate of the application; Figure 11 is a structural schematic diagram of the overhead view of the one-way rotating wheel of the application; Figure 12 is a structural schematic diagram of the side section of the fixed clamping block of the application.

[0019] The reference signs are: 1, oil injection bin; 11, oil injection channel; 111, atomized oil injection group; 112, connecting oil pipe; 2, recovery base; 21, front connecting plate; 22, rear connecting plate; 23, recovery oil tank; 231, oil pumping pipe; 24, oil storage tank; 25, filter plate; 3, feeding conveying table; 4, discharging conveying table; 5, transverse clamping frame; 51, shell clamp; 511, clamp pressure head; 512, moving slider; 513, No. 1 one-way gear; 5131, ratchet groove; 514, telescopic gear; 515, telescopic gear plate; 5151, limit self-locking gear plate; 516, No. 2 one-way gear; 52, inlet end drive box; 521, No. 1 drive gear plate; 53, outlet end drive box; 531, No. 2 drive gear plate; 54, one-way rotating wheel; 541, connecting spring; 542, connecting groove; 543, one-way pawl; 55, fixed clamping block; 551, limit worm; 552, limit gear; 6, longitudinal clamping frame; 61, oil scraping collar; 611, oil scraping rubber ring; 612, cleaning soft brush; 62, loosening discharging box; 63, clamping discharging box; 7, inner spraying connecting block; 71, central spraying pipe; 711, spraying connecting hole; 72, atomized nozzle; 8, drive connecting plate; 81, drive machine box; 811, drive motor; 812, drive lead screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0021] As shown in the accompanying drawings, the present application is a circulating atomized oil injection equipment for differential housing, which comprises an oil injection bin 1, a recovery base 2, two groups of transverse clamping frames 5 and two groups of longitudinal clamping frames 6. Figures 1 to 12 The oil injection bin 1 is provided with an oil injection channel 11, and the inner side of the oil injection channel 11 is provided with a plurality of atomized oil injection groups 111 arranged in a ring array. Two sets of transverse clamping racks 5 are symmetrical to each other, and two sets of longitudinal clamping racks 6 are symmetrical to each other, and the two sets of transverse clamping racks 5 and the two sets of longitudinal clamping racks 6 are arranged in the oil injection channel 11, and the inner sides of the transverse clamping racks 5 and the longitudinal clamping racks 6 are connected with the shell clamps 51, and the two sets of longitudinal clamping racks 6 are connected with the oil scraping sleeve ring 61; the differential shell is clamped and fixed by the shell clamps 51 connected by the two sets of transverse clamping racks 5 or the two sets of longitudinal clamping racks 6, and the two sets of transverse clamping racks 5 only participate in the work flow of the differential shell entering the oil injection chamber 1, and the two sets of longitudinal clamping racks 6 only participate in the work flow of the differential shell leaving the oil injection chamber 1, and the differential shell is clamped and transported in the oil injection channel 11 of the oil injection chamber 1 during the oil injection work, and the outer surface of the differential shell is sprayed by the atomizing oil injection group 111, and a plurality of oil atomizing nozzles are arranged in the atomizing oil injection group 111, and the oil atomizing device is a common technical means in the art, which will not be described in detail here. In the process of spraying, the dripping oil enters the recycling base 2 for recycling.

[0022] As a preferred embodiment, the two ends of the recycling base 2 are respectively connected with the front connecting plate 21 and the rear connecting plate 22, and the top of the rear connecting plate 22 is connected with the inner spraying connecting block 7, one side of the inner spraying connecting block 7 is connected with the center spraying pipe 71, and the center spraying pipe 71 is arranged at the center position of the oil injection chamber 1. A plurality of spraying connecting holes 711 are arranged on the outer side of the center spraying pipe 71, and an atomizing nozzle 72 is connected in the spraying connecting hole 711; the two sets of transverse clamping racks 5 and the two sets of longitudinal clamping racks 6 are connected above the front connecting plate 21 and the rear connecting plate 22 through the support, and the inner spraying connecting block 7 is used to connect and support the center spraying pipe 71, and in the process of moving the differential shell in the oil injection channel 11, the differential shell is sleeved on the outer side of the center spraying pipe 71 and walks, and the atomizing nozzle 72 in the center spraying pipe 71 atomizes the oil and sprays it to the inner surface of the differential shell through the spraying connecting hole 711.

[0023] As a preferred implementation, the oil injection chamber 1 is a hollow structure, and the inner wall of the oil injection channel 11 is a mesh structure. A filter plate 25 is connected between the oil injection chamber 1 and the recovery base 2. An oil storage tank 24 and a recovery oil tank 23 are connected to the top of one side of the recovery base 2. An oil extraction pipe 231 is connected between the recovery oil tank 23 and the recovery base 2. A connecting oil pipe 112 is connected to one side of the atomized oil injection group 111. The connecting oil pipes 112 and the central spraying pipe 71 are all connected to the oil storage tank 24. The oil falling in the oil injection channel 11 can fall to the recovery base 2 through the filter plate 25. The filter plate 25 can block large impurities above the filter plate 25. The oil falling into the recovery base 2 is extracted into the recovery oil tank 23 through the connecting oil pipe 112 for recovery and filtration for recycling. The recovery oil tank 23 can be provided with a centrifugal or pressure oil filtration device for filtration. The filtration of oil is a common technical means in the art, and will not be described in detail here. The oil storage tank 24 stores oil for spraying. The oil in the oil storage tank 24 is transported to the atomized oil injection group 111 by the connecting oil pipes 112.

[0024] As a preferred implementation, the two ends of the oil scraping sleeve ring 61 are chamfered on the inner side. An oil scraping rubber ring 611 is connected in the oil scraping sleeve ring 61. A cleaning soft brush 612 is arranged on the inner side of the oil scraping rubber ring 611. The inner diameter of the oil scraping rubber ring 611 is greater than the diameter of the central spraying pipe 71. A driving connection plate 8 is arranged on the side of the inner spraying connection block 7 away from the oil injection chamber 1. A driving machine box 81 is arranged on one side of the driving connection plate 8. The oil scraping sleeve ring 61 cleans the outer side of the central spraying pipe 71 during movement. The oil scraping rubber ring 611 can be bent and deformed during movement. The cleaning soft brush 612 on the inner side of the oil scraping rubber ring 611 can clean the oil in the spraying connection hole 711 on the central spraying pipe 71, so as to avoid the situation that the spraying connection hole 711 is blocked by oil and cannot be atomized and sprayed.

[0025] As a preferred implementation, two groups of driving motors 811 are arranged in the driving machine box 81. Driving lead screws 812 are arranged in the transverse clamping frame 5 and the longitudinal clamping frame 6. The two groups of driving motors 811 are respectively connected to the driving lead screws 812 in one group of transverse clamping frames 5 and one group of longitudinal clamping frames 6 through shaft keys. The driving lead screws 812 in the two groups of transverse clamping frames 5 and the driving lead screws 812 in the two groups of longitudinal clamping frames 6 are respectively connected through belts. One end of the transverse clamping frame 5 and the longitudinal clamping frame 6 is connected to the driving connection plate 8. The driving lead screws 812 connected to the driving connection plate 8 are driven to rotate by the driving motors 811 in the driving machine box 81. The driving lead screws 812 drive the corresponding group of driving lead screws 812 to rotate through the belts during rotation. The two groups of driving motors 811 are respectively used to drive the driving lead screws 812 in the two groups of transverse clamping frames 5 or the two groups of longitudinal clamping frames 6 to rotate.

[0026] As a preferred embodiment, two ends of the transverse clamping frame 5 are respectively connected with an inlet end driving box 52 and an outlet end driving box 53, two ends of the longitudinal clamping frame 6 are respectively connected with a loosening and discharging box 62 and a clamping and discharging box 63, the bottom of the shell clamp 51 is connected with a moving slider 512, the moving slider 512 is sleeved on the outside of the driving lead screw 812 through a threaded sleeve, and the shell clamp 51 is slidingly connected with a clamp pressure head 511 on the side close to the central spraying pipe 71; the driving lead screw 812 drives the moving slider 512 and the shell clamp 51 connected therewith to move along the rotation direction of the driving lead screw 812 in the process of rotation, the differential shell is clamped and fixed by the clamp pressure heads 511 in the two groups of shell clamps 51, when the shell clamp 51 connected with the transverse clamping frame 5 moves from the front connecting plate 21 to the rear connecting plate 22, the shell clamp 51 always keeps a clamping state and performs a loosening action when passing through the outlet end driving box 53; and when the shell clamp 51 moves from the rear connecting plate 22 to the front connecting plate 21, the shell clamp 51 always keeps a loosening action and performs a clamping action on the differential shell to be machined when passing through the inlet end driving box 52; When the shell clamp 51 connected with the longitudinal clamping frame 6 moves from the front connecting plate 21 to the rear connecting plate 22, it always keeps a loosening action and performs a clamping action on the differential shell to be machined when passing through the clamping and discharging box 63; and when the shell clamp 51 moves from the rear connecting plate 22 to the front connecting plate 21, it always keeps a clamping state and performs a loosening action when passing through the loosening and discharging box 62, thereby completing the discharging and loosening action on the differential shell.

[0027] As a preferred implementation, the housing clamp 51 is provided with a first one-way gear 513 and a second one-way gear 516, and the relaxed discharge box 62 and the inlet end drive box 52 are each provided with a first drive gear plate 521 engaged with the first one-way gear 513, and the clamping discharge box 63 and the outlet end drive box 53 are each provided with a second drive gear plate 531 engaged with the second one-way gear 516, and the first one-way gear 513 and the second one-way gear 516 are each provided with a ratchet groove 5131, and the first one-way gear 513 and the second one-way gear 516 are connected by a shaft with a telescopic gear 514; the first one-way gear 513 and the second one-way gear 516 can drive the telescopic gear 514 to rotate, the directions of the ratchet grooves 5131 in the first one-way gear 513 and the second one-way gear 516 are opposite, that is, the directions of the one-way rotation of the first one-way gear 513 and the second one-way gear 516 are opposite, when the first one-way gear 513 passes through the first drive gear plate 521 in the relaxed discharge box 62 or the inlet end drive box 52, the first one-way gear 513 is driven by the first drive gear plate 521 to rotate, and when the second one-way gear 516 passes through the second drive gear plate 531 in the clamping discharge box 63 or the outlet end drive box 53, the second one-way gear 516 is driven by the second drive gear plate 531 to rotate.

[0028] As a preferred implementation, the ratchet groove 5131 is provided with a one-way rotating wheel 54, and the two sides of the one-way rotating wheel 54 are provided with a connecting groove 542, the connecting groove 542 is connected by a shaft with a one-way pawl 543 buckled with the ratchet groove 5131, and the one-way pawl 543 and the connecting groove 542 are connected with a connecting spring 541, one end of the clamp pressure head 511 is connected with a telescopic gear plate 515 engaged with the telescopic gear 514, and the outer side of the telescopic gear plate 515 is slidingly connected with a fixed clamping block 55; the one-way rotating wheel 54 rotates unidirectionally in the ratchet groove 5131, the one-way pawl 543 can move in and out of the connecting groove 542 through the connecting spring 541, and when the first one-way gear 513 or the second one-way gear 516 performs a rotating action that can drive the one-way rotating wheel 54 to rotate, the one-way rotating wheel 54 is driven by the ratchet groove 5131 through the one-way pawl 543 to rotate, and when the first one-way gear 513 or the second one-way gear 516 performs a rotating action that cannot drive the one-way rotating wheel 54 to rotate, the one-way pawl 543 is pressed into the connecting groove 542 by the ratchet groove 5131, and at this time the one-way rotating wheel 54 cannot rotate, and the telescopic gear 514 drives the telescopic gear plate 515 and the clamp pressure head 511 connected thereto to move telescopically during rotation, and the positions of the telescopic gears 514 in the housing clamps 51 connected with the transverse clamping frame 5 and the longitudinal clamping frame 6 are opposite, that is, the directions of movement of the clamp pressure heads 511 in the housing clamps 51 connected with the transverse clamping frame 5 and the longitudinal clamping frame 6 are always opposite.

[0029] As a preferred implementation, the fixed clamping block 55 is provided with a limiting worm 551 and a limiting gear 552, and the limiting worm 551 and the limiting gear 552 are engaged, the bottom of the telescopic gear plate 515 is provided with a limiting self-locking gear plate 5151 engaged with the limiting gear 552, one side of the front connecting plate 21 is provided with the feeding conveying table 3, and the feeding conveying table 3 is provided between the front connecting plate 21 and the feeding conveying table 3. The telescopic gear plate 515 is limited in position by the fixed clamping block 55 without driving the telescopic gear 514, the rotating action of the limiting gear 552 is limited by the limiting worm 551, and the position of the limiting self-locking gear plate 5151 and the telescopic gear plate 515 connected thereto is limited by the limiting gear 552, thereby limiting the position of the clamp pressure head 511 by the telescopic gear plate 515. The differential case to be processed is conveyed on the feeding conveying table 3, and the differential case that has completed the oil injection work falls on the discharging conveying table 4 and is conveyed outward from the discharging conveying table 4.

[0030] As a preferred implementation, a circulating atomizing oil injection equipment for differential cases and a use method thereof, the use method comprising the following steps: Step one: the differential case to be processed for oil injection is conveyed by the feeding conveying table 3 between the two groups of transverse clamping racks 5, and the differential case is clamped and conveyed by the clamp pressure head 511 connected by the two groups of transverse clamping racks 5; Step two: the differential case is conveyed into the oil injection bin 1 by the clamp pressure head 511 connected by the two groups of transverse clamping racks 5 for oil injection treatment, and the clamp pressure head 511 connected by the two groups of longitudinal clamping racks 6 synchronously enters into the oil injection bin 1 with the clamp pressure head 511 connected by the two groups of transverse clamping racks 5; Step three: the differential case is subjected to oil injection work on the outside by the multiple groups of atomizing oil injection groups 111 in the oil injection bin 1, and simultaneously subjected to oil injection work on the inside by the center spraying pipe 71; Step four: after the differential case completes the primary oil injection work in the oil injection bin 1, the differential case is clamped and fixed by the clamp pressure head 511 connected by the two groups of longitudinal clamping racks 6, and is subjected to reverse reset movement, and at this time the differential case is relaxed by the clamp pressure head 511 connected by the two groups of transverse clamping racks 5; Step five: the differential case is subjected to secondary spraying work in the process of reverse reset movement, and the places shielded by the clamp pressure head 511 connected by the two groups of transverse clamping racks 5 are sprayed; Step six: when the differential case moves to the discharging conveying table 4, the differential case is relaxed by the clamp pressure head 511 connected by the two groups of transverse clamping racks 5, and at this time the differential case falls into the discharging conveying table 4 and is conveyed out; Step seven: the oil liquid falling during processing enters into the recovery base 2, and enters into the recovery oil tank 23 from the recovery base 2 to be purified and recovered. The purified and filtered oil liquid enters into the oil storage tank 24 to be recycled.

[0031] The working process of the present application is as follows: first, the differential case needing oil spraying is transported from the feeding conveying table 3 to between the two groups of transverse clamping racks 5, and is clamped and transported by the clamp pressing head 511 connected by the two groups of transverse clamping racks 5, and is transported into the oil spraying warehouse 1 by the clamp pressing head 511 connected by the two groups of transverse clamping racks 5. The differential case is sprayed with oil in the oil spraying channel 11 of the oil spraying warehouse 1 during the clamped transportation, and the outer surface of the differential case is sprayed by the atomizing oil spraying group 111, and the oil liquid is atomized by the atomizing nozzle 72 in the central spraying pipe 71 and sprayed to the inner surface of the differential case through the spraying connecting hole 711. After the differential case completes the primary oil spraying work in the oil spraying warehouse 1, the differential case is clamped and fixed by the clamp pressing head 511 connected by the two groups of longitudinal clamping racks 6, and is moved in the reverse direction. At this time, the differential case is loosened by the clamp pressing head 511 connected by the two groups of transverse clamping racks 5. The differential case is sprayed again during the reverse movement, and the places blocked by the clamp pressing head 511 connected by the two groups of transverse clamping racks 5 are sprayed. When the differential case moves to the discharging conveying table 4, the differential case is loosened by the clamp pressing head 511 connected by the two groups of transverse clamping racks 5, and at this time, the differential case falls into the discharging conveying table 4 and is conveyed out. When the shell clamp 51 connected by the transverse clamping rack 5 moves from the front connecting plate 21 to the rear connecting plate 22, the shell clamp 51 always keeps the clamped state, and performs the loosening action when passing through the outlet end driving box 53. When the shell clamp 51 moves from the rear connecting plate 22 to the front connecting plate 21, the shell clamp 51 always keeps the loosening action, and performs the clamping action on the differential case needing processing when passing through the inlet end driving box 52. When the shell clamp 51 connected by the longitudinal clamping rack 6 moves from the front connecting plate 21 to the rear connecting plate 22, the shell clamp 51 always keeps the loosening action, and performs the clamping action on the differential case needing processing when passing through the clamping and discharging box 63. When the shell clamp 51 moves from the rear connecting plate 22 to the front connecting plate 21, the shell clamp 51 always keeps the clamped state, and performs the loosening action when passing through the loosening and discharging box 62, to complete the loosening action of the differential case. The oil scraping sleeve ring 61 scrapes the outside of the center spraying pipe 71 during movement, the oil scraping rubber ring 611 can be bent and deformed during movement, and the oil in the spraying connecting hole 711 on the center spraying pipe 71 can be scraped by the cleaning soft hair brush 612 on the inner side of the oil scraping rubber ring 611, so that the situation that the spraying connecting hole 711 is blocked by oil and cannot be atomized and sprayed is avoided, the oil falling in the oil spraying channel 11 can fall to the recycling base 2 at the filter plate 25, the filter plate 25 can block the large impurities above the filter plate 25, and the oil falling into the recycling base 2 is sucked into the recycling oil tank 23 through the connecting oil pipe 112 for recycling and filtering, and recycling.

Claims

1. A circulating atomizing fuel injection device for a differential housing, comprising a fuel injection chamber (1), a recovery base (2), two sets of transverse clamping frames (5) and two sets of longitudinal clamping frames (6), characterized in that: The oil spray chamber (1) is provided with an oil spray channel (11), and the inner side of the oil spray channel (11) is provided with multiple sets of atomizing oil spray groups (111) arranged in a ring array. The recovery base (2) is connected to the bottom of the oil spray chamber (1). Among them, the two sets of transverse clamping frames (5) are symmetrical to each other, and the two sets of longitudinal clamping frames (6) are symmetrical to each other. The two sets of transverse clamping frames (5) and the two sets of longitudinal clamping frames (6) are all set in the oil injection channel (11). The inner sides of the transverse clamping frames (5) and the longitudinal clamping frames (6) are connected to the housing clamps (51). The two sets of longitudinal clamping frames (6) are connected to the oil scraper ring (61).

2. The circulating atomizing oil injection device for a differential housing according to claim 1, characterized in that: The two ends of the recycling base (2) are respectively connected to a front connecting plate (21) and a rear connecting plate (22), and the top of the rear connecting plate (22) is connected to an inner spray connecting block (7). One side of the inner spray connecting block (7) is connected to a central spray pipe (71), and the central spray pipe (71) is located at the center of the oil injection chamber (1). Multiple sets of spray connection holes (711) are provided on the outside of the central spray pipe (71), and an atomizing nozzle (72) is connected inside the spray connection hole (711).

3. A circulating atomizing oil injection device for a differential housing according to claim 2, characterized in that: The oil spray chamber (1) is a hollow structure, and the inner wall of the oil spray channel (11) is a mesh structure. A filter plate (25) is connected between the oil spray chamber (1) and the recovery base (2). An oil storage tank (24) and a recovery oil tank (23) are connected to the top of one side of the recovery base (2). An oil extraction pipe (231) is connected between the recovery oil tank (23) and the recovery base (2). A connecting oil pipe (112) is connected to one side of the atomizing oil spray group (111), and multiple sets of the connecting oil pipes (112) and the central spray pipe (71) are all connected to the oil storage tank (24).

4. A circulating atomizing oil injection device for a differential housing according to claim 3, characterized in that: The inner sides of both ends of the scraper ring (61) are chamfered, and a scraper rubber ring (611) is connected inside the scraper ring (61). A cleaning soft brush (612) is provided on the inner side of the scraper rubber ring (611). The inner diameter of the scraper rubber ring (611) is larger than the diameter of the central spray pipe (71). A drive connecting plate (8) is provided on the side of the inner spray connecting block (7) away from the oil spray chamber (1), and a drive housing (81) is provided on the side of the drive connecting plate (8).

5. A circulating atomizing oil injection device for a differential housing according to claim 4, characterized in that: The drive housing (81) is equipped with two sets of drive motors (811). Both the transverse clamping frame (5) and the longitudinal clamping frame (6) are equipped with drive screws (812). The two sets of drive motors (811) are respectively connected to the drive screws (812) in the transverse clamping frame (5) and the drive screws (812) in the longitudinal clamping frame (6) by shaft keys. The drive screws (812) in the two sets of transverse clamping frames (5) and the drive screws (812) in the two sets of longitudinal clamping frames (6) are respectively connected by belts.

6. A circulating atomizing oil injection device for a differential housing according to claim 5, characterized in that: The two ends of the transverse clamping frame (5) are respectively connected to the inlet end drive box (52) and the outlet end drive box (53). The two ends of the longitudinal clamping frame (6) are respectively connected to the release unloading box (62) and the clamping unloading box (63). The bottom of the housing clamp (51) is connected to the movable slider (512), and the movable slider (512) is threaded onto the outside of the drive screw (812). The housing clamp (51) is slidably connected to the clamp pressure head (511) on the side of the housing clamp (51) near the central spray pipe (71).

7. A circulating atomizing oil injection device for a differential housing according to claim 6, characterized in that: The housing clamp (51) is provided with a first one-way gear (513) and a second one-way gear (516). The release unloading box (62) and the inlet end drive box (52) are both provided with a first drive gear plate (521) that meshes with the first one-way gear (513). The clamping unloading box (63) and the outlet end drive box (53) are both provided with a second drive gear plate (531) that meshes with the second one-way gear (516). The first one-way gear (513) and the second one-way gear (516) are both provided with ratchet grooves (5131). The first one-way gear (513) and the second one-way gear (516) are connected by a telescopic gear (514) through a rotating shaft.

8. A circulating atomizing oil injection device for a differential housing according to claim 7, characterized in that: A one-way rotating wheel (54) is provided in the ratchet groove (5131), and a connecting groove (542) is provided on both sides of the one-way rotating wheel (54). A one-way pawl (543) that engages with the ratchet groove (5131) is connected in the connecting groove (542) through a rotating shaft. A connecting spring (541) is connected between the one-way pawl (543) and the connecting groove (542). One end of the clamping head (511) is connected to a telescopic gear plate (515) that meshes with the telescopic gear (514), and a fixing block (55) is slidably connected to the outside of the telescopic gear plate (515).

9. A circulating atomizing oil injection device for a differential housing according to claim 8, characterized in that: The fixed block (55) is provided with a limiting worm (551) and a limiting gear (552), and the limiting worm (551) and the limiting gear (552) mesh with each other. The bottom of the telescopic gear plate (515) is provided with a limiting self-locking gear plate (5151) that meshes with the limiting gear (552). A feeding conveyor (3) is provided on one side of the front connecting plate (21), and a discharging conveyor (4) is provided between the front connecting plate (21) and the feeding conveyor (3).

10. A method of using a circulating atomizing fuel injection device for a differential housing, employing the circulating atomizing fuel injection device for a differential housing as described in any one of claims 1-9, characterized in that: The method of use includes the following steps: Step 1: The differential housing that needs to be processed for oil injection is transported from the feed conveyor (3) to the space between the two sets of transverse clamping frames (5), and the differential housing is clamped and transported by the clamping heads (511) connected to the two sets of transverse clamping frames (5). Step 2: The differential housing is transported to the oil injection chamber (1) by the clamping heads (511) connected to the two sets of transverse clamping frames (5) for oil injection treatment, and the clamping heads (511) connected to the two sets of longitudinal clamping frames (6) and the clamping heads (511) connected to the two sets of transverse clamping frames (5) enter the oil injection chamber (1) simultaneously; Step 3: The differential housing is sprayed with oil by multiple atomizing oil spray groups (111) in the oil spray chamber (1), and at the same time, the differential housing is sprayed with oil by the central spray pipe (71). Step 4: After the differential housing completes the initial oil injection in the oil injection chamber (1), the differential housing is clamped and fixed by the clamping heads (511) connected to the two sets of longitudinal clamping frames (6), and then reversed and reset. At this time, the clamping heads (511) connected to the two sets of transverse clamping frames (5) release the differential housing. Step 5: During the reverse reset movement of the differential housing, a secondary spraying operation is carried out, and the area blocked by the clamp pressure head (511) connected by the two sets of transverse clamping frames (5) is sprayed. Step 6: When the differential housing moves to the discharge conveyor (4), the clamping heads (511) connected by the two sets of transverse clamping frames (5) release the differential housing, and at this time the differential housing falls into the discharge conveyor (4) and is conveyed out. Step 7: The oil that falls during processing enters the recovery base (2) and then enters the recovery oil tank (23) for purification and recovery. The purified and filtered oil enters the storage tank (24) for recycling.

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