CN110773369B

CN110773369B - Bolt surface oiling system

Info

Publication number: CN110773369B
Application number: CN201910924808.1A
Authority: CN
Inventors: 朱汉华; 朱进
Original assignee: Jiangsu Yonghao High Strength Bolt Co ltd
Current assignee: Jiangsu Yonghao High Strength Bolt Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-12-04
Anticipated expiration: 2039-09-27
Also published as: CN110773369A

Abstract

The invention discloses a bolt surface oiling system, wherein a bolt is inserted into an upper mounting plate, the bottom surface of the bolt is supported on a tray, a motor drives a rotating shaft to rotate through a speed reducer, the rotating shaft drives two rotating drums to rotate together, and brush bristles are used for coating lubricating grease on a threaded connection surface of the bolt. In the coating process, the bolts can rotate on the tray along with the bristles, so that the bolts can be coated uniformly. After the coating of the bolt is finished, the cylinder shaft of the cylinder extends out, the push plate and the push rod are pushed to move upwards, the bolt is ejected upwards by the push rod, and then the bolt can be conveniently taken out of the system. The invention can paint a plurality of bolts at one time, can meet the requirement of painting thread surfaces at two ends of the bolts at one time, has high efficiency and good use effect, and is mechanically operated, thereby reducing the labor intensity of workers.

Description

Bolt surface oiling system

The technical field is as follows:

the invention relates to a bolt surface oiling system.

Background art:

in order to prevent the bolt from rusting in use, the threaded surface of the bolt is usually coated with grease, the existing bolt is coated with grease manually, and devices capable of automatically coating oil are available in the prior art for providing oil coating efficiency, but the devices are generally directed to hexagon bolts (for example, a bolt lubricating paste coating device disclosed in patent 201611122419. X). When the bolt of the screw rod structure with the double heads of the threaded connecting surfaces is coated, the conventional device is generally not applicable, so that the invention aims to provide the oiling system applicable to the screw rod structure, and the bolt can be quickly and conveniently unloaded after the bolt is oiled.

The invention content is as follows:

the invention provides a bolt surface oiling system for solving the problems in the prior art.

The technical scheme adopted by the invention is as follows: a bolt surface oiling system is characterized in that a bolt is of a cylindrical structure, threaded connection faces are arranged at two ends of the bolt, the oiling system is used for coating lubricating grease on the threaded connection faces at two ends of a plurality of bolts at one time, the system comprises rotary drums, bristles, a rotary shaft, an upper mounting plate, a lower mounting plate, a tray, a motor, a fixing frame, a speed reducer and a discharging mechanism, the upper mounting plate and the lower mounting plate are arranged in parallel at intervals, the upper mounting plate and the lower mounting plate are fixedly connected through the fixing frame, the rotary shaft is rotatably connected onto the upper mounting plate and the lower mounting plate through bearings, the two rotary drums are fixedly connected onto the rotary shaft, one rotary drum is arranged above the upper mounting plate, the other rotary drum is arranged between the two mounting plates, and the bristles are fixed on the outer wall of;

a plurality of plug holes are arranged along the circumferential direction of the upper mounting plate, a plurality of trays are rotatably connected along the circumferential direction of the lower mounting plate, and one plug hole is coaxially arranged corresponding to one tray; the inserting holes and the tray are positioned on the outer sides of the bristles, the motor drives the rotating shaft to rotate through the speed reducer, a bolt is inserted into each inserting hole and is supported on the tray, the threaded connection surfaces at two ends of the bolt are in contact with the bristles on the two rotary drums, lubricating grease is injected into the bristles, the rotating shaft rotates and realizes the lubricating grease coating of the threaded connection surfaces, the free end of the unloading mechanism extends into the tray, and the unloading mechanism extends out and ejects the oiled bolt;

the discharging mechanism comprises an air cylinder, a push plate and push rods, the push plate is elastically supported on the lower end face of the lower-layer mounting plate, the push rods are vertically fixed on the push plate, each push rod penetrates through the lower-layer mounting plate and extends into one tray, the push rods and the trays are in clearance fit, an air cylinder shaft of the air cylinder is fixedly connected with the push plate, and the push plate is driven to move up and down.

Furthermore, the cross section of tray is T shape structure, and the tray passes through the bearing and rotates the connection on lower floor's mounting panel, is equipped with the through-hole in the axle center direction of tray, the push rod stretches in the through-hole to with through-hole clearance fit.

Further, fixedly connected with first guide arm on the lower terminal surface of lower floor's mounting panel, first guide arm wears to locate the push pedal, and the cover is equipped with the spring on first guide arm, the upper end of spring is contradicted on lower floor's mounting panel, and the lower extreme is contradicted in the push pedal.

Furthermore, the upper end face of the upper mounting plate and the upper end face of the lower mounting plate are fixedly connected with mounting rings, the mounting rings are arranged on the outer sides of the plug holes, and the mounting rings and the rotating shaft are coaxially arranged.

Furthermore, a plurality of vertical plates which are vertically arranged are elastically supported on the inner wall of the mounting ring, each vertical plate is arranged on the outer side of one plug hole, and a sponge is fixed on the inner side surface of each vertical plate.

Furthermore, two second guide rods are fixedly connected to the outer wall of each vertical plate, the second guide rods are inserted into the mounting ring in a plugging mode, springs are sleeved on the second guide rods, the outer end faces of the springs abut against the mounting ring, the inner end faces of the springs abut against the vertical plates, and after the bolts are inserted into the upper-layer mounting plate, the threaded connection faces at two ends of the bolts are correspondingly attached to the sponges on the upper-layer mounting plate and the lower-layer mounting plate respectively.

Furthermore, a plurality of oil leakage holes are formed in the outer wall of the rotary drum, the oil leakage holes are formed in the radial direction of the rotary drum, an oil collecting cavity is formed in the circumferential direction of the rotary drum, the oil collecting cavity is communicated with the oil leakage holes, lubricating grease is injected into the oil collecting cavity, and the lubricating grease flows to the bristles through the oil leakage holes.

Furthermore, an oil cover used for sealing the upper end opening of the oil collecting cavity is fixedly connected to the upper end face of the rotating cylinder, and oil injection holes are formed in the circumferential wall of the rotating cylinder.

The invention has the following beneficial effects:

aiming at the cylindrical bolts with threaded connection surfaces at two ends, the invention can paint a plurality of bolts at one time, can meet the requirement of painting the threaded surfaces at two ends of the bolts at one time, has high efficiency, is mechanically operated, lightens the labor intensity of workers and has good use effect.

Description of the drawings:

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a top view of the mid-upper mounting plate of the present invention.

Fig. 3 is a structural view of the push rod in the tray in the invention.

FIG. 4 is a view showing the structure of the sponge mounted on the mounting ring according to the present invention.

FIG. 5 is a partial cross-sectional view of the drum of the present invention.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the invention relates to a bolt surface oiling system, wherein a bolt related to the invention is of a cylindrical structure, threaded connection surfaces are arranged at two ends of the bolt, and the oiling system is used for coating lubricating grease on the threaded connection surfaces at two ends of a plurality of bolts at one time.

The oiling system comprises a rotary drum 11, bristles 12, a rotating shaft 13, an upper mounting plate 141, a lower mounting plate 142, a tray 18, a motor 19, a fixing frame 21, a speed reducer and a discharging mechanism 3. Upper mounting panel 141 and lower floor's mounting panel 142 are separated by a determining deviation and mutual parallel arrangement, and through mount 21 fixed connection between upper mounting panel 141 and the lower floor's mounting panel 142, pivot 13 passes through the bearing and rotates and connect on upper mounting panel 141 and lower floor's mounting panel 142, two equal fixed connection of rotary drum 11 are on pivot 13, and a rotary drum 11 arranges upper mounting panel 141's top in, and another rotary drum 11 arranges in between two mounting panels, fixes brush hair 12 on the outer wall of every rotary drum 11.

A plurality of inserting holes 140 are arranged along the circumferential direction of the upper mounting plate 141, a plurality of trays 18 are rotatably connected along the circumferential direction of the lower mounting plate 142, and one inserting hole 140 is correspondingly and coaxially arranged with one tray 18. The inserting holes 140 and the tray 18 are located outside the bristles 12, the motor 19 drives the rotating shaft 13 to rotate through the speed reducer, and the rotating shaft 13 drives the two rotary drums 11 to rotate together.

A bolt is inserted into each inserting hole 140 and supported on the tray 18, the thread connecting surfaces at two ends of the bolt are contacted with the bristles 12 on the two rotary drums 11, lubricating grease is injected into the bristles 12, and the rotary shaft 13 rotates to realize the lubricating grease coating of the thread connecting surfaces on the bolt. The free end of the discharging mechanism 3 extends into the tray 18, and the discharging mechanism 3 extends out and ejects out the oiled bolt.

The discharging mechanism 3 comprises an air cylinder 31, a push plate 32 and push rods 33, wherein the push plate 32 is elastically supported on the lower end surface of a lower mounting plate 142, the push plate 32 is horizontally arranged, a plurality of push rods 33 are vertically fixed on the push plate 32, each push rod 33 penetrates through the lower mounting plate 142 and extends into one tray 18, the push rods 33 are in clearance fit with the tray 18, and the air cylinder shaft of the air cylinder 31 is fixedly connected with the push plate 32 and drives the push plate 32 to move up and down. After the bolt is coated with oil, the cylinder shaft of the cylinder 31 extends out, the push plate 32 and the push rod 33 are pushed to move upwards, the push rod 33 pushes the bolt upwards, and then the bolt can be conveniently taken out of the system.

The cross section of tray 18 is T shape structure, and tray 18 passes through the bearing and rotates the connection on lower floor's mounting panel 142, is equipped with the through-hole on the axle center direction of tray 18, and push rod 33 stretches in the through-hole to with through-hole clearance fit.

In order to facilitate the push plate 32 to be elastically supported on the lower end surface of the lower mounting plate 142, a first guide bar 1421 is fixedly connected to the lower end surface of the lower mounting plate 142, the first guide bar 1421 is disposed on the push plate 32 in a penetrating manner, and a nut is screwed to the end of the first guide bar 1421, and positions the push plate 32 on the first guide bar 1421. The first guide bar 1421 is sleeved with a spring, the upper end of the spring abuts against the lower mounting plate 142, and the lower end abuts against the push plate 32.

When the bolt is oiled, the rotary drum 11 rotates, in order to avoid the grease on the brush bristles 12 from being thrown around, the mounting rings 15 are fixedly connected to the upper end faces of the upper-layer mounting plate 141 and the lower-layer mounting plate 142, the mounting rings 15 are arranged outside the inserting holes 140, and the mounting rings 15 and the rotary shaft 13 are arranged coaxially. The mounting ring 15 may function as an oil barrier.

In order to further utilize thrown grease, a plurality of vertical plates 16 which are vertically arranged are elastically supported on the inner wall of the mounting ring 15, each vertical plate 16 is arranged on the outer side of one plug-in hole 140, and a sponge 17 is fixed on the inner side surface of each vertical plate 16. The grease of throwing away is accomodate by sponge 17, and adsorbs on the sponge, and the sponge contacts with the screw rod, can carry out the secondary coating to the screw rod.

In order to elastically support the vertical plate 16 on the inner wall of the mounting ring 15, two second guide rods 162 are fixedly connected to the outer wall of each vertical plate 16, the second guide rods 162 are inserted into the mounting ring 15, and the tail ends of the second guide rods 162 are connected with positioning nuts in a threaded manner. A spring is sleeved on the second guide rod 162, the outer end face of the spring abuts against the mounting ring 15, the inner end face of the spring abuts against the vertical plate 16, and after the bolt is inserted into the upper mounting plate 141, the threaded connection faces at two ends of the bolt are respectively and correspondingly attached to the sponge 17 on the upper and lower mounting plates. Sponge 17 passes through spring elastic support on the inner wall of collar 15, and when the bolt was rotatory, sponge 17 had certain degree of freedom to float in radial direction, avoided the dead phenomenon of bolt card.

Sponge 17 adopts the floating support of spring on the inner wall of collar 15, avoids sponge 17 to adopt and hugs closely on the bolt, appears that rotary drum 11 is rotatory to be hindered to be involved, and certain float volume (radial direction) is preserved to sponge 17, and the better coating of the bolt of being convenient for is even.

When the invention is used, lubricating grease can be directly poured on the brush bristles 12, and then two lubricating grease coatings of a plurality of bolts can be realized by rotating the brush bristles once.

The grease can also be injected into the rotating drum 11 and collected by the rotating drum, and then the grease is thrown out by centrifugal force during the rotation of the rotating drum, and the structure is as follows: a plurality of oil leakage holes 111 are formed in the outer wall of the rotary drum 11, the oil leakage holes 111 are arranged along the radial direction of the rotary drum 11, an oil collecting cavity 112 is formed in the circumferential direction of the rotary drum 11, the oil collecting cavity 112 is communicated with the oil leakage holes 111, lubricating grease is filled into the oil collecting cavity 112, and the lubricating grease flows to the bristles 12 through the oil leakage holes 111.

An oil cover for closing the upper port of the oil collecting cavity 112 is fixedly connected to the upper end surface of the rotating drum 11, and oil injection holes 110 are arranged on the circumferential wall of the rotating drum 11.

The structure for fixing the brush bristles 12 on the rotary drum 11 in the present invention is conventional, and therefore, the present invention will not be described in detail with respect to how the brush bristles are fixed.

When the lubricating grease coating machine is used, bolts are inserted into the upper mounting plate 141, the bottom surfaces of the bolts are supported on the tray 18, the motor 19 drives the rotating shaft 13 to rotate through the speed reducer, the rotating shaft 13 drives the two rotating drums 11 to rotate together, and the bristles 12 coat lubricating grease on the threaded connection surfaces of the bolts. During the coating process, the bolts will rotate on the tray 18 along with the bristles, facilitating uniform bolt coating.

After the coating of the bolt is completed, the cylinder shaft of the cylinder 31 extends out, and pushes the push plate 32 and the push rod 33 to move upwards, and the push rod 33 pushes the bolt upwards, so that the bolt can be conveniently taken out of the system.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims

1. The utility model provides a bolt surface oiling system, the bolt is the cylindricality structure, is equipped with threaded connection face at the both ends of bolt, oiling system is used for once coating lubricating grease, its characterized in that on the both ends threaded connection face of many bolts: the system comprises a rotary drum (11), bristles (12), a rotating shaft (13), an upper mounting plate (141), a lower mounting plate (142), a tray (18), a motor (19), a fixed frame (21), a speed reducer and a discharging mechanism (3),

the upper-layer mounting plate (141) and the lower-layer mounting plate (142) are arranged in parallel at a certain interval, the upper-layer mounting plate (141) and the lower-layer mounting plate (142) are fixedly connected through a fixing frame (21), a rotating shaft (13) is rotatably connected to the upper-layer mounting plate (141) and the lower-layer mounting plate (142) through a bearing, two rotating drums (11) are fixedly connected to the rotating shaft (13), one rotating drum (11) is arranged above the upper-layer mounting plate (141), the other rotating drum (11) is arranged between the upper-layer mounting plate (141) and the lower-layer mounting plate (142), and bristles (12) are fixed on the outer wall of each rotating drum (11);

a plurality of plug holes (140) are arranged along the circumferential direction of the upper-layer mounting plate (141), a plurality of trays (18) are rotatably connected along the circumferential direction of the lower-layer mounting plate (142), and one plug hole (140) is correspondingly and coaxially arranged with one tray (18); the inserting holes (140) and the tray (18) are located on the outer sides of the bristles (12), the motor (19) drives the rotating shaft (13) to rotate through the speed reducer, a bolt is inserted into each inserting hole (140) and supported on the tray (18), threaded connection faces at two ends of each bolt are in contact with the bristles (12) on the two rotary drums (11), lubricating grease is injected into the bristles (12), the rotating shaft (13) rotates and realizes the coating of the lubricating grease on the threaded connection faces, the free end of the discharging mechanism (3) extends into the tray (18), and the discharging mechanism (3) extends out and ejects out the oiled bolts;

the discharging mechanism (3) comprises an air cylinder (31), a push plate (32) and push rods (33), the push plate (32) is elastically supported on the lower end face of the lower-layer mounting plate (142), the push rods (33) are vertically fixed on the push plate (32), each push rod (33) penetrates through the lower-layer mounting plate (142) and extends into one tray (18), the push rods (33) are in clearance fit with the trays (18), and an air cylinder shaft of the air cylinder (31) is fixedly connected with the push plate (32) and drives the push plate (32) to move up and down.

2. The bolt face oiling system as defined in claim 1, wherein: the cross section of tray (18) is T shape structure, and tray (18) rotate through the bearing and connect on lower floor's mounting panel (142), are equipped with the through-hole on the axle center direction of tray (18), push rod (33) stretch in the through-hole to with through-hole clearance fit.

3. The bolt face oiling system as defined in claim 1, wherein: fixedly connected with first guide arm (1421) on the lower terminal surface of lower floor's mounting panel (142), on push pedal (32) was worn to locate in first guide arm (1421), the cover was equipped with the spring on first guide arm (1421), the upper end of spring is contradicted on lower floor's mounting panel (142), and the lower extreme is contradicted on push pedal (32).

4. The bolt face oiling system as defined in claim 1, wherein: and the upper end surface of the upper-layer mounting plate (141) and the upper end surface of the lower-layer mounting plate (142) are fixedly connected with a mounting ring (15), the mounting ring (15) is arranged outside the plug-in hole (140), and the mounting ring (15) and the rotating shaft (13) are coaxially arranged.

5. The bolt face oiling system as defined in claim 4, wherein: a plurality of vertical plates (16) which are vertically arranged are elastically supported on the inner wall of the mounting ring (15), each vertical plate (16) is arranged on the outer side of one plug-in hole (140), and a sponge (17) is fixed on the inner side surface of each vertical plate (16).

6. The bolt face oiling system as defined in claim 5, wherein: two second guide rods (162) are fixedly connected to the outer wall of each vertical plate (16), the second guide rods (162) are inserted into the mounting ring (15), a spring is sleeved on each second guide rod (162), the outer end face of each spring abuts against the mounting ring (15), the inner end face of each spring abuts against the vertical plate (16), and after the bolts are inserted into the upper mounting plate (141), the threaded connection faces at two ends of each bolt are respectively and correspondingly attached to the sponges (17) on the upper and lower mounting plates.

7. The bolt face oiling system as defined in claim 1, wherein: the outer wall of the rotary drum (11) is provided with a plurality of oil leakage holes (111), the oil leakage holes (111) are arranged along the radial direction of the rotary drum (11), an oil collecting cavity (112) is arranged in the circumferential direction of the rotary drum (11), the oil collecting cavity (112) is communicated with the oil leakage holes (111), lubricating grease is injected into the oil collecting cavity (112), and the lubricating grease flows to the bristles (12) through the oil leakage holes (111).

8. The bolt face oiling system as defined in claim 1, wherein: an oil cover used for sealing an upper port of the oil collecting cavity (112) is fixedly connected to the upper end face of the rotating cylinder (11), and an oil filling hole (110) is formed in the circumferential wall of the rotating cylinder (11).