CN114291714A

CN114291714A - Safe hoisting equipment for mold

Info

Publication number: CN114291714A
Application number: CN202111663549.5A
Authority: CN
Inventors: 田忠安; 侯培珠; 潘家孝; 郭明荣; 陈善蛟; 倪建国
Original assignee: Guizhou Tyre Co ltd
Current assignee: Guizhou Tyre Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-08

Abstract

The invention relates to the technical field of load radial tire processing, in particular to a safe hoisting device for a mold, which comprises a spline shaft, wherein an anti-rotation ring, a hoisting disc, a gasket, a bearing and a lock nut are sequentially arranged at the upper end of the spline shaft, a six-tooth spline is arranged at the lower end of the spline shaft, two-tooth splines are arranged at the lower end of the anti-rotation ring, the anti-rotation ring is rotationally connected with the spline shaft and slides on the spline shaft, the two-tooth splines are in sliding extrusion connection with the six-tooth splines, a mold connecting disc is arranged below the spline shaft, a six-tooth sleeve is arranged inside the mold connecting disc, and the mold connecting disc is in sliding connection with the spline shaft. Avoid the bearing to rotate stifledly, cause the occurence of failure.

Description

Safe hoisting equipment for mold

Technical Field

The invention relates to the technical field of safe hoisting equipment for a mold, in particular to safe hoisting equipment for the mold.

Background

The mould lifting device that uses at present is that the direct mould bottom plate or the mould bracket transportation mould of holding of fork truck fork directionality, and it adds wire rope hoist and mount mould to reuse lug, especially on the hydraulic pressure vulcanizer, rocks greatly when the fork truck fork is held in the palm the wire rope hoist and mount mould of installing on the mould during use, and the mould can't rotate on wire rope moreover for mould installation operation difficulty, efficiency are extremely low.

Disclosure of Invention

The invention aims to provide a safe hoisting device for a mold, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mould safety lifting device, includes the integral key shaft, integral key shaft upper end installs the anti-rotating ring in proper order, hoist and mount dish, gasket, bearing, lock mother, the lower extreme of integral key shaft is equipped with six tooth splines, the lower extreme of anti-rotating ring is equipped with two tooth splines, the anti-rotating ring rotates with the integral key shaft to be connected, just the anti-rotating ring slides on the integral key shaft, two tooth splines and six tooth spline sliding extrusion are connected, the below of integral key shaft is provided with the mould connection pad, the inside of mould connection pad is provided with six tooth covers, mould connection pad and integral key shaft sliding connection, just six tooth covers and six tooth splines, two tooth spline sliding extrusion are connected.

Optionally, the anti-rotation ring is circular and the bottom of the anti-rotation ring is welded with the two toothed spline.

Optionally, the hoisting disc is rotatably connected with the spline shaft, the bottom of the die connecting disc is connected with a radial tire die, the top of the spline shaft is provided with a hoisting ring, and an oil adding mechanism for automatically adding oil to the bearing is arranged in the lock nut.

Optionally, the oil adding mechanism comprises a mounting groove, an oil storage cylinder is arranged inside the mounting groove, and an oil outlet pipe is arranged at the bottom of the oil storage cylinder.

Optionally, a second extrusion block is mounted on the surface of the bearing, a track is formed in the bottom of the lock nut, the track is communicated with the mounting groove, and the second extrusion block slides in the track.

Optionally, the surface sliding connection of play oil pipe has the shift ring, the shift ring slides in the inside of mounting groove, the bottom fixed mounting of shift ring has first extrusion piece, first extrusion piece is connected with the extrusion of second extrusion piece, just first extrusion piece is arc with the mutual extruded one end of second extrusion piece.

Optionally, at least two extension springs are fixedly mounted above the moving ring, and the other ends of the extension springs are fixedly connected with the oil storage cylinder.

Optionally, bottom one side fixed mounting of shift ring has first squeeze stem, first squeeze stem is L shape, the one end fixed mounting of first squeeze stem has the second squeeze stem, the second squeeze stem is conical with the one end of first squeeze stem interconnect, the one end of second squeeze stem slides in the inside of going out oil pipe, the internally mounted that goes out oil pipe has sealed dish, second squeeze stem runs through sliding connection with sealed dish, the inside that goes out oil pipe is provided with the stirring subassembly.

Optionally, the stirring subassembly is including the installation piece, installation piece fixed mounting is in the inside of going out oil pipe, the one end fixed mounting of installation piece has the threaded rod, the one end surface of threaded rod is carved with the screw thread.

Optionally, the top fixed mounting of second squeeze stem has the connection piece, the connection piece runs through sealing connection with sealed dish, just the diameter size of connection piece is 1.5 times to 2 times of second squeeze stem diameter size, the top of connection piece is rotated and is provided with the connecting cylinder, threaded rod and connecting cylinder spiro union, just the threaded rod makes the connecting cylinder rotate through the bottom screw thread, the fixed surface of connecting cylinder installs the stirring page or leaf.

Compared with the prior art, the invention has the beneficial effects that:

1. the integral key shaft is designed into a pagoda type structure, the first layer is a six-tooth spline and is used for connecting a die connecting disc and an anti-rotation ring on a radial tire die, the second layer is used for positioning a hoisting disc step, the hoisting disc can rotate freely and slightly serially move in the axial direction along the integral key shaft at the step, the third layer is a positioning step of a gasket and a bearing, the gasket and the bearing are designed to rotate freely along the integral key shaft, the fourth layer is designed into an axial positioning step of a lock nut and a bearing, the step is simultaneously used for positioning the gasket, the bearing and the lock nut in the axial direction, a lifting ring at the top of the integral key shaft is designed into a fixed lifting lug structure, the integral key shaft is not only used for rotating the integral key shaft to enable the angle change to be convenient to insert into the die connecting disc, but also can be used for hoisting a body, the radial tire die can be prevented from shaking greatly when being hoisted, the installation and the operation are convenient, and the efficiency is improved.

2. When bearing rotatory radial tire mould, it is rotatory that the bearing drives the second extrusion piece, the second extrusion piece extrudees with first extrusion piece when orbital inside rotates, make first extrusion piece take place the displacement, first extrusion piece drives the inside displacement of shift ring at the mounting groove, the shift ring drives first extrusion pole and removes, first extrusion pole drives the inside removal of second extrusion pole at an oil pipe, the second extrusion pole drives the connection piece and removes and make connection piece and sealed dish cancellation sealing connection, the inside lubricating oil of oil storage cylinder will flow through the gap department between connection piece and the sealed dish this moment, lubricating oil will just in time drip the surface at the bearing along the slip of second extrusion pole, can add lubricating oil to the bearing automatically, it is stiff to avoid the bearing to rotate, cause the occurence of failure.

3. When the second extrusion pole shifts up, the second extrusion pole drives the connection piece and removes, and the connection piece drives the connecting cylinder and removes along the threaded rod, and the connecting cylinder makes the connecting cylinder rotatory through the screw thread that threaded rod one end was carved with simultaneously, and the connecting cylinder is rotatory can stir lubricating oil, makes lubricating oil flow accelerate, avoids lubricating oil solidification, avoids the connection piece too short with sealed dish cancellation sealing connection's time simultaneously, and the lubricating oil of outflow is too few.

Drawings

FIG. 1 is a schematic view of the overall structure of a safe hoisting device for molds according to the present invention;

FIG. 2 is a partial sectional view of one of the safe hoisting devices of the mold according to the present invention;

FIG. 3 is a partial sectional view of a second embodiment of the safety hoisting device for molds according to the present invention;

FIG. 4 is a third partial sectional view of a mold safety hoisting device of the present invention;

FIG. 5 is a schematic view of a partial structure of an oil adding mechanism of the safe hoisting device for molds according to the present invention;

FIG. 6 is an enlarged view of a portion A of the safe hoisting device for molds shown in FIG. 5;

FIG. 7 is a schematic structural view of a lock nut of the safe hoisting device for molds according to the present invention;

FIG. 8 is an enlarged view of part B of the safe hoisting device for molds shown in FIG. 7;

fig. 9 is a partial structural schematic diagram of an oil adding mechanism of the safe hoisting device for the mold according to the second embodiment of the invention.

In the figure: 1. a spline shaft; 2. an anti-rotation ring; 3. a die connecting disc; 4. a bearing; 5. hoisting a disc; 6. a gasket; 7. locking a nut; 8. a hoisting ring; 9. a radial tire mold; 10. an oil adding mechanism; 101. an oil storage cylinder; 102. an oil outlet pipe; 103. a moving ring; 104. a first extrusion block; 105. a second extrusion block; 106. a first extrusion stem; 107. a tension spring; 108. a stirring assembly; 1081. mounting blocks; 1082. a threaded rod; 1083. stirring the page; 1084. a connecting cylinder; 1085. connecting sheets; 109. sealing the disc; 1010. a second extrusion stem; 1011. a track; 1012. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the invention provides a die safety hoisting device, which comprises a spline shaft 1, wherein an anti-rotation ring 2, a hoisting disc 5, a gasket 6, a bearing 4 and a lock nut 7 are sequentially arranged at the upper end of the spline shaft 1, a six-tooth spline is arranged at the lower end of the spline shaft 1, a two-tooth spline is arranged at the lower end of the anti-rotation ring 2, the anti-rotation ring 2 is rotatably connected with the spline shaft 1, the anti-rotation ring 2 slides on the spline shaft 1, the two-tooth spline is in sliding extrusion connection with the six-tooth spline, a die connecting disc 3 is arranged below the spline shaft 1, a six-tooth gear sleeve is arranged inside the die connecting disc 3, the die connecting disc 3 is in sliding connection with the spline shaft 1, the six-tooth gear sleeve is in sliding extrusion connection with the six-tooth spline and the two-tooth spline, the spline 1 is designed into a tower structure, the first layer is the six-tooth spline and is used for connecting the die connecting disc 3 on a radial tire die 9 and positioning of the die ring 2, the second floor is 5 steps of location hoist and mount dish, hoist and mount dish 5 can follow the integral key shaft and rotate wantonly and slightly move with the axial string at this step department, the third layer is the location step of gasket 6 and bearing 4, gasket 6 and bearing 4 design are for following the integral key shaft and rotate wantonly, the fourth floor designs the axial positioning step for lock nut 7 and bearing 4, this step is used for gasket 6 simultaneously, the axial positioning of bearing 4 and lock nut 7, rings 8 at 1 top of integral key shaft design for fixed lug structure, both be used for rotatory integral key shaft to make the inside that the angle change is convenient for insert mould connection pad 3, can also be used for the hoist and mount body.

As shown in fig. 1 and 2, the anti-rotation ring 2 is circular and the bottom of the anti-rotation ring is welded with the two-tooth spline, and the circular ring can freely slide on the spline shaft 1, so that the position of the anti-rotation ring 2 can be conveniently adjusted.

As shown in fig. 2 and 3, the hoisting plate 5 is rotatably connected to the spline shaft 1, a radial tire mold 9 is connected to the bottom of the mold connecting plate 3, a hoisting ring 8 is provided on the top of the spline shaft 1, and an oil adding mechanism 10 for automatically adding oil to the bearing 4 is provided inside the lock nut 7.

As shown in fig. 3 and 4, the oil charging mechanism 10 includes a mounting groove 1012, the oil storage cylinder 101 is provided inside the mounting groove 1012, the oil outlet pipe 102 is provided at the bottom of the oil storage cylinder 101, the oil storage cylinder 101 can be mounted inside through the mounting groove 1012, and lubricating oil can be stored through the oil outlet pipe 102.

As shown in fig. 5 and 6, the second pressing block 105 is mounted on the surface of the bearing 4, the rail 1011 is formed at the bottom of the locking nut 7, the rail 1011 is communicated with the mounting groove 1012, the second pressing block 105 slides inside the rail 1011, and the second pressing block 105 slides inside the rail 1011, so that the stability of the locking nut 7 during sliding can be maintained, and meanwhile, the second pressing block 105 can contact with the first pressing block 104 and press the first pressing block 104 to displace when passing through the mounting groove 1012.

As shown in fig. 5, 6, 7, and 8, the oil outlet pipe 102 has a moving ring 103 slidably connected to a surface thereof, the moving ring 103 slides in the mounting groove 1012, the bottom of the moving ring 103 is fixedly mounted with a first squeezing block 104, the first squeezing block 104 is connected to a second squeezing block 105 in a squeezing manner, one end of the first squeezing block 104, which is squeezed by the second squeezing block 105, is arc-shaped, the moving ring 103 is driven by the first squeezing block 104 to move, the moving ring 103 can drive the first squeezing rod 106 to move, the first squeezing rod 106 can drive the second squeezing rod 1010 to move, and the second squeezing rod 1010 can slide in the oil outlet pipe 102, so that the lubricant oil can slide along the second squeezing rod 1010 to flow out.

As shown in fig. 9, at least two extension springs 107 are fixedly mounted above the moving ring 103, and the other ends of the extension springs 107 are fixedly connected to the oil reservoir 101, so that the moving ring 103 can be moved by the extension springs 107 and then returned to the initial position.

As shown in fig. 5, 6, 7, 8, and 9, a first extrusion rod 106 is fixedly installed on one side of the bottom of the moving ring 103, the first extrusion rod 106 is L-shaped, a second extrusion rod 1010 is fixedly installed on one end of the first extrusion rod 106, one end of the second extrusion rod 1010 connected with the first extrusion rod 106 is conical, one end of the second extrusion rod 1010 slides inside the oil outlet pipe 102, a sealing disc 109 is installed inside the oil outlet pipe 102, the second extrusion rod 1010 is connected with the sealing disc 109 in a penetrating and sliding manner, a stirring assembly 108 is arranged inside the oil outlet pipe 102, and one end of the second extrusion rod 1010 connected with the first extrusion rod 106 is conical, so that the lubricating oil can slide along the second extrusion rod 1010, and the lubricating oil is prevented from solidifying on the second extrusion rod 1010 and cannot flow onto the bearing 4.

As shown in fig. 5 and 6, the stirring assembly 108 includes a mounting block 1081, the mounting block 1081 is fixedly mounted inside the oil outlet pipe 102, a threaded rod 1082 is fixedly mounted at one end of the mounting block 1081, a surface of one end of the threaded rod 1082 is threaded, the connecting cylinder 1084 is driven to move by the connecting piece 1085, the connecting cylinder 1084 moves along the threaded rod 1082, and the connecting cylinder 1084 drives the stirring blade 1083 to rotate when moving along the threaded rod 1082, so as to stir the lubricating oil and prevent the lubricating oil from solidifying.

As shown in fig. 5, 6, and 7, a connecting piece 1085 is fixedly mounted on the top of the second extrusion stem 1010, the connecting piece 1085 and the sealing disk 109 are connected in a penetrating and sealing manner, the diameter of the connecting piece 1085 is 1.5 to 2 times larger than that of the second extrusion stem 1010, a connecting cylinder 1084 is rotatably mounted on the top of the connecting piece 1085, the threaded rod 1082 is in threaded connection with the connecting cylinder 1084, the connecting cylinder 1084 is rotated by the threaded rod 1082 via a bottom thread, a stirring blade 1083 is fixedly mounted on the surface of the connecting cylinder 1084, the connecting piece 1085 is driven by the second extrusion stem 1010 to be disconnected with the connecting piece 1085 and the sealing disk 109, and the lubricating oil can flow out from the gap between the connecting piece 1085 and the sealing disk 109.

The working principle is as follows: when in use, firstly, the radial tire mold 9 is safely hoisted and horizontally placed on the ground, the bottom of the spline shaft 1 is landed, then a fork of a forklift enters the bottom of the hoisting disc 5 from any direction, the fork is lifted to lift the radial tire mold 9 to be safely hoisted to a plane higher than the mold connecting disc 3, the fork is descended after the shaft axis of the spline shaft 1 is basically aligned with the shaft axis of the mold connecting disc 3 when the forklift moves forwards, at the moment, a maintenance worker assists in inserting the spline shaft 1 into a six-tooth-shaped sleeve in the mold connecting disc 3 and then rotates the spline shaft 1, two-tooth-shaped splines at the lower part of the anti-rotation ring 2 are inserted between the spline shaft 1 and two teeth of the six-tooth-shaped spline sleeve in the mold connecting disc 3 to be locked, the spline shaft 1 and the mold connecting disc 3 are fixed, finally, the fork of the forklift is lifted to lift the radial tire mold 9 to be safely hoisted to a vulcanizing machine, and after the radial tire mold 9 is matched with a central mechanism of the vulcanizing machine, in addition, when the radial tire mold 9 is rotated through the bearing 4, the bearing 4 drives the second extrusion block 105 to rotate, the second extrusion block 105 extrudes with the first extrusion block 104 when rotating inside the track 1011, so that the first extrusion block 104 displaces, the first extrusion block 104 drives the moving ring 103 to displace inside the mounting groove 1012, the moving ring 103 drives the first extrusion rod 106 to move, the first extrusion rod 106 drives the second extrusion rod 1010 to move inside the oil outlet pipe 102, the second extrusion rod 1010 drives the connecting piece 1085 to move, so that the connecting piece 1085 and the sealing disc 109 are not in sealing connection, at the moment, the lubricating oil inside the oil storage tank 101 flows out through a gap between the connecting piece 1085 and the sealing disc 109, and the lubricating oil slides along the second extrusion rod 1010 and just drops on the surface of the bearing 4, can be automatic to bearing 4 interpolation lubricating oil, in the time of second squeeze bar 1010 moves up, second squeeze bar 1010 drives connection piece 1085 and removes, connection piece 1085 drives connecting cylinder 1084 and removes along threaded rod 1082, connecting cylinder 1084 makes connecting cylinder 1084 rotatory through the screw that threaded rod 1082 one end was carved with simultaneously, lubricating oil can be stirred in the connecting cylinder 1084 rotation, make lubricating oil flow accelerate, avoid lubricating oil solidification, it is too short to avoid connection piece 1085 and sealed dish 109 to cancel sealing connection's time simultaneously, the lubricating oil of outflow is too little, the in-process that the device used, the bearing can receive long-time work and frequently used's influence, lubricating oil when causing this bearing encapsulation is used up, lead to the inside increase friction rotation of this bearing to be stiff, preferably use taper bearing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The safe hoisting equipment for the die is characterized by comprising a spline shaft (1), wherein the upper end of the spline shaft (1) is sequentially provided with an anti-rotation ring (2), a hoisting disc (5), a gasket (6), a bearing (4) and a lock nut (7), the lower end of the spline shaft (1) is provided with a six-tooth spline, the lower end of the anti-rotation ring (2) is provided with a two-tooth spline, the anti-rotation ring (2) is rotationally connected with the spline shaft (1), the anti-rotation ring (2) slides on the spline shaft (1), the two-tooth spline is connected with the six-tooth spline in a sliding and extruding way, a die connecting disc (3) is arranged below the spline shaft (1), a six-tooth gear sleeve is arranged inside the die connecting disc (3), the die connecting disc (3) is connected with the spline shaft (1) in a sliding mode, and the six-tooth gear sleeve is connected with the six-tooth spline and the two-tooth spline in a sliding and extruding mode.

2. The safe hoisting device for the mold according to claim 1, wherein the anti-rotation ring (2) is circular and the bottom of the anti-rotation ring is welded with two toothed splines.

3. The safe hoisting equipment for the mold according to claim 1, wherein the hoisting disc (5) is rotatably connected with the spline shaft (1), the bottom of the mold connecting disc (3) is connected with a radial tire mold (9), the top of the spline shaft (1) is provided with a hoisting ring (8), and the inside of the lock nut (7) is provided with an oil adding mechanism (10) for automatically adding oil to the bearing (4).

4. The safe hoisting device for the mold according to claim 3, wherein the oil adding mechanism (10) comprises a mounting groove (1012), an oil storage cylinder (101) is arranged inside the mounting groove (1012), and an oil outlet pipe (102) is arranged at the bottom of the oil storage cylinder (101).

5. The safe hoisting device for the mold according to claim 4, wherein a second extrusion block (105) is installed on the surface of the bearing (4), a track (1011) is formed at the bottom of the lock nut (7), the track (1011) is communicated with the installation groove (1012), and the second extrusion block (105) slides in the track (1011).

6. The safe hoisting device for the mold according to claim 5, wherein a moving ring (103) is slidably connected to the surface of the oil outlet pipe (102), the moving ring (103) slides inside the mounting groove (1012), a first extrusion block (104) is fixedly mounted at the bottom of the moving ring (103), the first extrusion block (104) is connected with a second extrusion block (105) in an extrusion manner, and one end of the first extrusion block (104) and one end of the second extrusion block (105) which are extruded with each other are in the shape of a circular arc.

7. The safe hoisting device for the mold according to claim 6, wherein at least two expansion springs (107) are fixedly installed above the moving ring (103), and the other ends of the expansion springs (107) are fixedly connected with the oil storage cylinder (101).

8. The safe hoisting device for the mold according to claim 6, wherein a first extrusion rod (106) is fixedly installed on one side of the bottom of the moving ring (103), the first extrusion rod (106) is L-shaped, a second extrusion rod (1010) is fixedly installed at one end of the first extrusion rod (106), the end, connected with the first extrusion rod (106), of the second extrusion rod (1010) is conical, one end of the second extrusion rod (1010) slides in the oil outlet pipe (102), a sealing disc (109) is installed in the oil outlet pipe (102), the second extrusion rod (1010) is connected with the sealing disc (109) in a penetrating and sliding manner, and a stirring assembly (108) is arranged in the oil outlet pipe (102).

9. The safe hoisting device for the mold according to claim 8, wherein the stirring assembly (108) comprises a mounting block (1081), the mounting block (1081) is fixedly mounted inside the oil outlet pipe (102), one end of the mounting block (1081) is fixedly mounted with a threaded rod (1082), and one end surface of the threaded rod (1082) is engraved with threads.

10. The safe hoisting equipment of a mold according to claim 9, characterized in that the top of the second extrusion rod (1010) is fixedly provided with a connecting piece (1085), the connecting piece (1085) is connected with a sealing disc (109) in a penetrating and sealing manner, the diameter of the connecting piece (1085) is 1.5 times to 2 times larger than that of the second extrusion rod (1010), the top of the connecting piece (1085) is rotatably provided with a connecting cylinder (1084), the threaded rod (1082) is in threaded connection with the connecting cylinder (1084), the threaded rod (1082) rotates the connecting cylinder (1084) through a bottom thread, and the surface of the connecting cylinder (1084) is fixedly provided with a stirring blade (1083).