阅读说明：本技术 一种具有自动润滑功能的定位装置 (Positioning device with automatic lubricating function ) 是由 尚惊仰 于 2021-06-24 设计创作，主要内容包括：本发明涉及一种具有自动润滑功能的定位装置,包括限位杆、定位环、滑动机构和润滑机构,所述润滑机构包括出油组件、密封组件和调节组件,所述滑动机构包括移动环和连接杆,该具有自动润滑功能的定位装置通过连接杆实现对限位杆和移动环的限位,使得移动环通过连接杆更好的在限位杆上滑动,通过润滑机构实现对限位槽的自动出油,这里通过密封组件提高密封板与柱形槽的密封性,防止润滑油的溢出而导致浪费,这里通过调节机构实现对出油大小的控制,通过冲压的频率进行调节,降低成本,这里通过出油组件使得柱形槽内部的润滑油流入至限位槽的内壁上,减少连接杆与限位杆之间的摩擦力,避免出现卡顿的现象,从而提高冲压精度。(The invention relates to a positioning device with an automatic lubricating function, which comprises a limiting rod, a positioning ring, a sliding mechanism and a lubricating mechanism, wherein the lubricating mechanism comprises an oil outlet component, a sealing component and an adjusting component, the sliding mechanism comprises a movable ring and a connecting rod, the positioning device with the automatic lubricating function realizes the limiting of the limiting rod and the movable ring through the connecting rod, so that the movable ring can better slide on the limiting rod through the connecting rod, the automatic oil outlet of a limiting groove is realized through the lubricating mechanism, the sealing performance of a sealing plate and a cylindrical groove is improved through the sealing component, the waste caused by the overflow of lubricating oil is prevented, the control of the oil outlet size is realized through the adjusting mechanism, the cost is reduced through the adjustment of stamping frequency, the lubricating oil in the cylindrical groove flows into the inner wall of the limiting groove through the oil outlet component, and the friction force between the connecting rod and the limiting rod is reduced, the phenomenon of blocking is avoided, and the stamping precision is improved.)

1. The positioning device with the automatic lubricating function is characterized by comprising a limiting rod (1), a positioning ring (2), a sliding mechanism and a lubricating mechanism, wherein the limiting rod (1) is vertically arranged, the positioning ring (2) is sleeved at the bottom end of the limiting rod (1), the inner ring of the positioning ring (2) is connected with the outer ring of the limiting rod (1), the sliding mechanism is arranged above the positioning ring (2), a vertical column-shaped groove is formed in the end face of the top end of the limiting rod (1), and the lubricating mechanism is arranged in the column-shaped groove;

the lubricating mechanism comprises an oil outlet assembly, a sealing assembly and an adjusting assembly, wherein the top end of the limiting rod (1) is provided with a threaded hole, the threaded hole is positioned at the top end of a cylindrical groove and communicated with the cylindrical groove, the threaded hole and the cylindrical groove are coaxially arranged, the diameter of the threaded hole is larger than that of the cylindrical groove, the adjusting assembly is arranged in the threaded hole, the adjusting assembly comprises a threaded block (3), a rotating rod (4), a handle (5), a sealing plate (6), a first spring (7), a bearing seat (8), a support rod (9) and a limiting block (10), the threaded block (3) is arranged in the threaded hole, the threaded block (3) is in threaded connection with the threaded hole, the handle (5) is arranged above the limiting rod (1), the rotating rod (4) is arranged between the threaded block (3) and the handle (5), one end of the rotating rod (4) is connected with the handle (5), the other end of the rotating rod (4) is connected with the threaded block (3), the sealing plate (6) is horizontally arranged in the cylindrical groove, the sealing plate (6) is connected with the cylindrical groove in a sliding and sealing manner, the limiting block (10) is arranged in the cylindrical groove, the limiting block (10) is positioned below the sealing plate (6), the bearing seat (8) is arranged at one end, far away from the rotating rod (4), of the threaded block (3), the support rod (9) is arranged between the limiting block (10) and the bearing seat (8), one end of the support rod (9) is connected with the threaded block (3) through the bearing seat (8), the other end of the support rod (9) penetrates through the sealing plate (6) to be connected with the limiting block (10), the support rod (9) is connected with the sealing plate (6) in a sliding and sealing manner, the first spring (7) is arranged between the bearing seat (8) and the sealing plate (6), the first spring (7) is sleeved on the supporting rod (9), one end of the first spring (7) is connected with the end face of the inner ring of the bearing seat (8), and the other end of the first spring (7) is connected with the sealing plate (6);

the supporting rod (9) is arranged in a hollow mode, the sealing assembly is arranged in the supporting rod (9), and the oil outlet assembly is arranged at the bottom end of the inside of the cylindrical groove.

2. The positioning device with the automatic lubricating function according to claim 1, wherein the sliding mechanism comprises a moving ring (11) and a connecting rod (12), the moving ring (11) is sleeved on the limiting rod (1), the moving ring (11) is slidably connected with the limiting rod (1), the connecting rod (12) is arranged between an inner ring of the moving ring (11) and an outer ring of the limiting rod (1), a plurality of vertical limiting grooves are arranged on the limiting rod (1), one end of the connecting rod (12) is connected with the inner ring of the moving ring (11), the other end of the connecting rod (12) is located in the limiting grooves, and the connecting rod (12) is slidably connected with the limiting grooves.

3. The positioning device with the automatic lubrication function according to claim 1, wherein the sealing assembly comprises a pushing plate (13), a pushing rod (14), a piston (15), a second spring (16), a communicating pipe (17), a bellows (18) and a solenoid valve (19), the piston (15) is arranged in the supporting rod (9), the piston (15) is connected with the supporting rod (9) in a sliding and sealing manner, the second spring (16) is arranged at the bottom end inside the supporting rod (9), one end of the second spring (16) is connected with the piston (15), the other end of the second spring (16) is connected with the bottom end inside the supporting rod (9), the sealing plate (6) is made of rubber, the middle of the sealing plate (6) is arranged, the communicating pipe (17) is arranged at one side of the supporting rod (9), the bellows (18) is arranged between the sealing plate (6) and the communicating pipe (17), one end of the corrugated pipe (18) is communicated with the communicating pipe (17), the other end of the corrugated pipe (18) is communicated with the inside of the sealing plate (6), one end, far away from the corrugated pipe (18), of the communicating pipe (17) is communicated with the inside of the supporting rod (9), the electromagnetic valve (19) is arranged in the communicating pipe (17), the pushing plate (13) is arranged above the handle (5), the pushing rod (14) is arranged between the pushing plate (13) and the piston (15), one end of the pushing rod (14) penetrates through the rotating rod (4) to be connected with the pushing plate (13), the other end of the pushing rod (14) extends into the supporting rod (9) to be connected with the piston (15), and the pushing rod (14) is connected with the rotating rod (4) in a sliding mode.

4. The positioning device with the automatic lubricating function according to claim 2, wherein the limiting rod (1) is provided with a plurality of communication holes, each communication hole is uniformly arranged along the outer ring axis of the rotating rod (4), the communication holes are positioned in a limiting groove, one end of each communication hole is communicated with the limiting groove, the other end of each communication hole is communicated with the inside of the cylindrical groove, the oil outlet assembly is provided with a plurality of oil outlet assemblies, the oil outlet assembly is arranged in each communication hole, the oil outlet assembly comprises a ball (20), a third spring (21), a guide rod (22) and a guide plate (23), the guide rod (22) is horizontally arranged in each communication hole, the guide rod (22) is hollow, one end of the guide rod (22) close to the connecting rod (12) is provided with an opening, the ball (20) is arranged at the opening, and the guide plate (23) is arranged at one end of the guide rod (22) far away from the ball (20), be equipped with a plurality of oil outlets on guide plate (23), each oil outlet evenly sets up, the one end and the inside intercommunication in column groove of oil outlet and, the other end of oil outlet and the inside intercommunication of water conservancy diversion pole (22), third spring (21) set up between ball (20) and guide plate (23), the one end and the ball (20) of third spring (21) are connected, the other end and the guide plate (23) of third spring (21) are connected, third spring (21) are in compression state.

5. The positioning device with automatic lubrication function according to claim 1, wherein the sealing plate (6) is provided with a chamfer.

Technical Field

The invention particularly relates to a positioning device with an automatic lubricating function.

Background

Present a moulding press for plastics material is accurate nature when guaranteeing the punching press, generally all can be equipped with positioner, precision when improving the punching press through positioner, but general positioner generally cooperates the realization through locating piece and locating lever, slide on the locating lever through the locating piece, precision when improving the punching press, but because long-time upper and lower slip, lead to the locating lever to generate heat, make the locating lever inflation, frictional force between the locating piece has been increased, thereby lead to the phenomenon that the card pauses to appear, thereby influence the location effect.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the positioning device with the automatic lubricating function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a positioning device with an automatic lubricating function comprises a limiting rod, a positioning ring, a sliding mechanism and a lubricating mechanism, wherein the limiting rod is vertically arranged, the positioning ring is sleeved at the bottom end of the limiting rod, an inner ring of the positioning ring is connected with an outer ring of the limiting rod, the sliding mechanism is arranged above the positioning ring, a vertical cylindrical groove is formed in the end face of the top end of the limiting rod, and the lubricating mechanism is arranged in the cylindrical groove;

the lubricating mechanism comprises an oil outlet assembly, a sealing assembly and an adjusting assembly, wherein the top end of the limiting rod is provided with a threaded hole, the threaded hole is positioned at the top end of the cylindrical groove and communicated with the cylindrical groove, the threaded hole and the cylindrical groove are coaxially arranged, the diameter of the threaded hole is larger than that of the cylindrical groove, the adjusting assembly is arranged in the threaded hole, the adjusting assembly comprises a threaded block, a rotating rod, a handle, a sealing plate, a first spring, a bearing seat, a support rod and a limiting block, the threaded block is arranged in the threaded hole and in threaded connection with the threaded hole, the handle is arranged above the limiting rod, the rotating rod is arranged between the threaded block and the handle, one end of the rotating rod is connected with the handle, the other end of the rotating rod is connected with the threaded block, the sealing plate is horizontally arranged in the cylindrical groove, and the sealing plate is in sliding and sealing connection with the, the limiting block is arranged in the cylindrical groove, the limiting block is positioned below the sealing plate, the bearing seat is arranged at one end, away from the rotating rod, of the threaded block, the supporting rod is arranged between the limiting block and the bearing seat, one end of the supporting rod is connected with the threaded block through the bearing seat, the other end of the supporting rod penetrates through the sealing plate and is connected with the limiting block, the supporting rod is connected with the sealing plate in a sliding and sealing mode, the first spring is arranged between the bearing seat and the sealing plate, the first spring is sleeved on the supporting rod, one end of the first spring is connected with the end face of the inner ring of the bearing seat, and the other end of the first spring is connected with the sealing plate;

the supporting rod is arranged in a hollow mode, the sealing assembly is arranged in the supporting rod, and the oil outlet assembly is arranged at the bottom end of the inside of the cylindrical groove.

In order to realize the spacing of the shifting ring, the sliding mechanism comprises a shifting ring and a connecting rod, the shifting ring is sleeved on the limiting rod, the shifting ring is connected with the limiting rod in a sliding manner, the connecting rod is arranged between the inner ring of the shifting ring and the outer ring of the limiting rod, a plurality of vertical limiting grooves are formed in the limiting rod, one end of the connecting rod is connected with the inner ring of the shifting ring, the other end of the connecting rod is located in the limiting groove, and the connecting rod is connected with the limiting grooves in a sliding manner.

In order to improve the sealing effect, the sealing assembly comprises a pushing plate, a pushing rod, a piston, a second spring, a communicating pipe, a corrugated pipe and an electromagnetic valve, the piston is arranged in a supporting rod, the piston is connected with the supporting rod in a sliding and sealing manner, the second spring is arranged at the bottom end inside the supporting rod, one end of the second spring is connected with the piston, the other end of the second spring is connected with the bottom end inside the supporting rod, the sealing plate is made of rubber, the middle of the sealing plate is arranged, the communicating pipe is arranged at one side of the supporting rod, the corrugated pipe is arranged between the sealing plate and the communicating pipe, one end of the corrugated pipe is communicated with the communicating pipe, the other end of the corrugated pipe is communicated with the inside of the sealing plate, one end, far away from the corrugated pipe, of the communicating pipe is communicated with the inside of the supporting rod, the electromagnetic valve is arranged in the communicating pipe, and the pushing plate is arranged above the handle, the catch bar sets up between catch plate and piston, the one end of catch bar is passed the bull stick and is connected with the catch plate, the other end of catch bar stretches into in the branch and is connected with the piston, catch bar and bull stick sliding connection.

In order to enable lubricating oil in the cylindrical groove to flow into the limiting groove through the oil outlet assembly, reduce friction force when the connecting rod and the limiting rod slide and improve stability when the connecting rod slides, a plurality of communication holes are formed in the limiting rod, the communication holes are uniformly formed along the axis of the outer ring of the rotating rod and are positioned in the limiting groove, one end of each communication hole is communicated with the limiting groove, the other end of each communication hole is communicated with the inside of the cylindrical groove, a plurality of oil outlet assemblies are arranged in the communication holes, each oil outlet assembly comprises a ball, a third spring, a guide rod and a guide plate, the guide rod is horizontally arranged in the communication holes, the guide rod is hollow, an opening is formed in one end, close to the connecting rod, of the guide rod, the ball is arranged at the opening, and the guide plate is arranged at one end, far away from the ball, of the guide rod, the oil outlet structure is characterized in that a plurality of oil outlets are formed in the guide plate, each oil outlet is evenly formed, one end of each oil outlet is communicated with the inside of the cylindrical groove, the other end of each oil outlet is communicated with the inside of the corresponding guide rod, the third spring is arranged between the corresponding ball and the guide plate, one end of the third spring is connected with the corresponding ball, the other end of the third spring is connected with the guide plate, and the third spring is in a compression state.

In order to facilitate installation, the sealing plate is provided with a chamfer.

The positioning device with the automatic lubricating function has the advantages that the limiting rod and the moving ring are limited through the connecting rod, the moving ring can better slide on the limiting rod through the connecting rod, the automatic oil discharging of the limiting groove is realized through the lubricating mechanism, the sealing performance of the sealing plate and the cylindrical groove is improved through the sealing assembly, the waste caused by the overflow of lubricating oil is prevented, the oil discharging size is controlled through the adjusting mechanism, the cost is reduced by adjusting the stamping frequency, the lubricating oil in the cylindrical groove flows into the inner wall of the limiting groove through the oil discharging assembly, the friction force between the connecting rod and the limiting rod is reduced, the phenomenon of blocking is avoided, and the stamping precision is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a positioning device with an automatic lubrication function according to the present invention;

FIG. 2 is a schematic view of the connection structure of the lubricating mechanism and the limit rod of the positioning device with automatic lubricating function according to the present invention;

FIG. 3 is a schematic structural diagram of a sliding mechanism of a positioning device with an automatic lubrication function according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a schematic structural diagram of an oil outlet assembly of the positioning device with automatic lubrication function according to the present invention;

in the figure: 1. the automatic air-conditioning system comprises a limiting rod, 2 positioning rings, 3 threaded blocks, 4 rotating rods, 5 handles, 6 sealing plates, 7 first springs, 8 bearing seats, 9 supporting rods, 10 limiting blocks, 11 moving rings, 12 connecting rods, 13 pushing plates, 14 pushing rods, 15 pistons, 16 second springs, 17 communicating pipes, 18 corrugated pipes, 19 electromagnetic valves, 20 balls, 21 third springs, 22 guide rods and 23 guide plates.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-3, a positioning device with an automatic lubrication function comprises a limiting rod 1, a positioning ring 2, a sliding mechanism and a lubrication mechanism, wherein the limiting rod 1 is vertically arranged, the positioning ring 2 is sleeved at the bottom end of the limiting rod 1, the inner ring of the positioning ring 2 is connected with the outer ring of the limiting rod 1, the sliding mechanism is arranged above the positioning ring 2, a vertical cylindrical groove is formed in the end surface of the top end of the limiting rod 1, and the lubrication mechanism is arranged in the cylindrical groove;

the lubricating mechanism comprises an oil outlet assembly, a sealing assembly and an adjusting assembly, wherein the top end of the limiting rod 1 is provided with a threaded hole, the threaded hole is positioned at the top end of a cylindrical groove and communicated with the cylindrical groove, the threaded hole and the cylindrical groove are coaxially arranged, the diameter of the threaded hole is larger than that of the cylindrical groove, the adjusting assembly is arranged in the threaded hole, the adjusting assembly comprises a threaded block 3, a rotating rod 4, a handle 5, a sealing plate 6, a first spring 7, a bearing seat 8, a support rod 9 and a limiting block 10, the threaded block 3 is arranged in the threaded hole, the threaded block 3 is in threaded connection with the threaded hole, the handle 5 is arranged above the limiting rod 1, the rotating rod 4 is arranged between the threaded block 3 and the handle 5, one end of the rotating rod 4 is connected with the handle 5, the other end of the rotating rod 4 is connected with the threaded block 3, the sealing plate 6 is horizontally arranged in the cylindrical groove, the sealing plate 6 is connected with the cylindrical groove in a sliding and sealing mode, the limiting block 10 is arranged in the cylindrical groove, the limiting block 10 is located below the sealing plate 6, the bearing seat 8 is arranged at one end, far away from the rotating rod 4, of the threaded block 3, the support rod 9 is arranged between the limiting block 10 and the bearing seat 8, one end of the support rod 9 is connected with the threaded block 3 through the bearing seat 8, the other end of the support rod 9 penetrates through the sealing plate 6 to be connected with the limiting block 10, the support rod 9 is connected with the sealing plate 6 in a sliding and sealing mode, the first spring 7 is arranged between the bearing seat 8 and the sealing plate 6, the first spring 7 is sleeved on the support rod 9, one end of the first spring 7 is connected with the end face of the inner ring of the bearing seat 8, and the sealing plate 6;

the branch 9 cavity sets up, seal assembly sets up in branch 9, the bottom of oil outlet assembly setting in the cylindrical groove inside.

In order to realize spacing to shift ring 11, slide mechanism includes shift ring 11 and connecting rod 12, 11 covers of shift ring are established on gag lever post 1, shift ring 11 and 1 sliding connection of gag lever post, connecting rod 12 sets up between the inner circle of shift ring 11 and the outer lane of gag lever post 1, be equipped with a plurality of vertical spacing grooves on the gag lever post 1, the one end of connecting rod 12 is connected with the inner circle of shift ring 11, the other end of connecting rod 12 is located the spacing inslot, connecting rod 12 and spacing groove sliding connection.

The shift ring 11 here is connected with last mould, holding ring 2 is connected with the lower mould, realize the removal to shift ring 11 through the removal of last mould, realize the location to the lower mould through holding ring 2, here shift ring 11 removes drive connecting rod 12 and removes, make connecting rod 12 slide in the spacing groove on gag lever post 1, thereby realize spacing to last mould, improve the punching press precision, here when connecting rod 12 removes to predetermineeing the position, through the subassembly that produces oil, make the inside lubricating oil of cylindrical groove flow in to the spacing inslot, reduce the frictional force between connecting rod 12 and the gag lever post 1, the phenomenon of card pause is avoided appearing, thereby improve the punching press precision.

When lubricating oil needs to be added into the cylindrical groove, firstly, the handle 5 is rotated, the handle 5 drives the rotating rod 4 to rotate, the rotating rod 4 drives the thread block 3 to rotate, the thread block 3 moves towards the direction far away from the positioning ring 2, the thread block 3 moves to drive the bearing seat 8 to move, the bearing seat 8 drives the supporting rod 9 to move, the supporting rod 9 drives the limiting block 10 to move, the limiting block 10 is abutted to the sealing plate 6, then the limiting block 10 drives the sealing plate 6 to move towards the direction far away from the positioning ring 2, so that the lubricating oil can be added into the cylindrical groove, then the sealing plate 6 is placed in the cylindrical groove, at the moment, the sealing plate 6 is positioned at the opening at the top end of the cylindrical groove, the sealing plate 6 is limited through the friction force between the sealing plate 6 and the cylindrical groove, at the moment, the handle 5 is continuously pushed, the thread block 3 is abutted to the threaded hole, then the handle 5 is rotated, make the screw block 3 be located the threaded hole, so both can realize spacing to screw block 3, at this moment first spring 7 is in compression state, make the cylindrical recess have certain pressure through the restoring force of first spring 7, here through adjusting the degree of depth that screw block 3 is located the screw hole inside, make the restoring force of first spring 7 change, thereby make the pressure of cylindrical recess inside change, thereby can realize the regulation to the size of producing oil, save cost, here because connect through bearing frame 8 during branch 9, first spring 7 also is with the terminal surface connection of the 8 inner circles of bearing frame simultaneously, so here when screw block 3 rotates, do not have the influence to branch 9 and first spring 7.

As shown in fig. 4, in order to improve the sealing effect, the sealing assembly includes a pushing plate 13, a pushing rod 14, a piston 15, a second spring 16, a communicating pipe 17, a bellows 18 and a solenoid valve 19, the piston 15 is disposed in the supporting rod 9, the piston 15 is slidably and sealingly connected with the supporting rod 9, the second spring 16 is disposed at the bottom end inside the supporting rod 9, one end of the second spring 16 is connected with the piston 15, the other end of the second spring 16 is connected with the bottom end inside the supporting rod 9, the sealing plate 6 is made of rubber, the sealing plate 6 is disposed in the middle, the communicating pipe 17 is disposed at one side of the supporting rod 9, the bellows 18 is disposed between the sealing plate 6 and the communicating pipe 17, one end of the bellows 18 is communicated with the communicating pipe 17, the other end of the bellows 18 is communicated with the inside of the sealing plate 6, and one end of the communicating pipe 17 far from the bellows 18 is communicated with the inside of the supporting rod 9, the solenoid valve 19 sets up in communicating pipe 17, catch bar 13 sets up the top at handle 5, catch bar 14 sets up between catch bar 13 and piston 15, the one end of catch bar 14 is passed bull stick 4 and is connected with catch bar 13, the other end of catch bar 14 stretches into in the branch 9 and is connected with piston 15, catch bar 14 and bull stick 4 sliding connection.

When the sealing performance between the sealing plate 6 and the cylindrical groove needs to be improved, only the electromagnetic valve 19 needs to be opened, then the pushing plate 13 is pushed, the pushing plate 13 drives the pushing rod 14 to move, the pushing rod 14 drives the piston 15 to move, so that the air in the bottom end of the supporting rod 9 is fixed towards the inside of the rubber plate, the sealing plate 6 is deformed, the contact area between the sealing plate 6 and the inner wall of the cylindrical groove is increased, the friction force is increased, the gap between the sealing plate 6 and the inner wall of the cylindrical groove is reduced, the sealing effect is improved, waste caused by overflow of lubricating oil is prevented, the oil outlet accuracy can be improved, the second spring 16 is in a compression device at the moment, the electromagnetic valve 19 is closed, the supporting rod 9 is in a sealing state with the piston 15, the supporting rod 9 cannot be restored by the restoring force of the second spring 16, and the sealing plate 6 is connected through the corrugated pipe 18, the sealing plate 6 is not affected by the movement on the strut 9.

As shown in fig. 5, in order to enable the lubricating oil in the cylindrical groove to flow into the limiting groove through the oil outlet assembly, reduce the friction force when the connecting rod 12 and the limiting rod 1 slide, and improve the stability when the connecting rod 12 slides, a plurality of communication holes are arranged on the limiting rod 1, each communication hole is uniformly arranged along the axis of the outer ring of the rotating rod 4, the communication holes are located in the limiting groove, one end of each communication hole is communicated with the limiting groove, the other end of each communication hole is communicated with the inside of the cylindrical groove, the oil outlet assembly is provided with a plurality of oil outlet assemblies, the oil outlet assembly is arranged in the communication holes, the oil outlet assembly comprises a ball 20, a third spring 21, a guide rod 22 and a guide plate 23, the guide rod 22 is horizontally arranged in the communication holes, the guide rod 22 is hollow, an opening is arranged at one end of the guide rod 22 close to the connecting rod 12, and the ball 20 is arranged at the opening, the guide plate 23 sets up and keeps away from ball 20 on one end at guide bar 22, be equipped with a plurality of oil outlets on the guide plate 23, each oil outlet evenly sets up, the one end and the inside intercommunication in cylindrical groove of oil outlet and, the other end and the inside intercommunication of guide bar 22 of oil outlet, third spring 21 sets up between ball 20 and guide plate 23, the one end and the ball 20 of third spring 21 are connected, the other end and the guide plate 23 of third spring 21 are connected, third spring 21 is in compression state.

Here when connecting rod 12 and ball 20 support and lean on, the promotion through connecting rod 12 makes ball 20 remove towards the direction of guide plate 23, thereby make inside and spacing groove intercommunication of guide rod 22, at this moment, the restoring force through first spring 7 realizes the promotion to closing plate 6, thereby make inside the lubricating oil of column shape inslot flow in guide rod 22 through the oil outlet on guide plate 23 inside, then flow through the opening part on the guide rod 22, thereby the lubrication to the spacing groove is realized, make better the sliding on gag lever post 1 of connecting rod 12.

For the convenience of installation, the sealing plate 6 is provided with a chamfer.

The shift ring 11 here is connected with last mould, holding ring 2 is connected with the lower mould, realize the removal to shift ring 11 through the removal of last mould, realize the location to the lower mould through holding ring 2, here shift ring 11 removes drive connecting rod 12 and removes, make connecting rod 12 slide in the spacing groove on gag lever post 1, thereby realize spacing to last mould, improve the punching press precision, here when connecting rod 12 removes to predetermineeing the position, through the subassembly that produces oil, make the inside lubricating oil of cylindrical groove flow in to the spacing inslot, reduce the frictional force between connecting rod 12 and the gag lever post 1, the phenomenon of card pause is avoided appearing, thereby improve the punching press precision.

When lubricating oil needs to be added into the cylindrical groove, firstly, the handle 5 is rotated, the handle 5 drives the rotating rod 4 to rotate, the rotating rod 4 drives the thread block 3 to rotate, the thread block 3 moves towards the direction far away from the positioning ring 2, the thread block 3 moves to drive the bearing seat 8 to move, the bearing seat 8 drives the supporting rod 9 to move, the supporting rod 9 drives the limiting block 10 to move, the limiting block 10 is abutted to the sealing plate 6, then the limiting block 10 drives the sealing plate 6 to move towards the direction far away from the positioning ring 2, so that the lubricating oil can be added into the cylindrical groove, then the sealing plate 6 is placed in the cylindrical groove, at the moment, the sealing plate 6 is positioned at the opening at the top end of the cylindrical groove, the sealing plate 6 is limited through the friction force between the sealing plate 6 and the cylindrical groove, at the moment, the handle 5 is continuously, make the screw block 3 be located the threaded hole, so both can realize spacing to screw block 3, at this moment first spring 7 is in compression state, make the cylindrical recess have certain pressure through the restoring force of first spring 7, here through adjusting the degree of depth that screw block 3 is located the screw hole inside, make the restoring force of first spring 7 change, thereby make the pressure of cylindrical recess inside change, thereby can realize the regulation to the size of producing oil, save cost, here because connect through bearing frame 8 during branch 9, first spring 7 also is with the terminal surface connection of the 8 inner circles of bearing frame simultaneously, so here when screw block 3 rotates, do not have the influence to branch 9 and first spring 7.

When the sealing performance between the sealing plate 6 and the cylindrical groove needs to be improved, only the electromagnetic valve 19 needs to be opened, then the pushing plate 13 is pushed, the pushing plate 13 drives the pushing rod 14 to move, the pushing rod 14 drives the piston 15 to move, so that the air in the bottom end of the supporting rod 9 is fixed towards the inside of the rubber plate, the sealing plate 6 is deformed, the contact area between the sealing plate 6 and the inner wall of the cylindrical groove is increased, the friction force is increased, the gap between the sealing plate 6 and the inner wall of the cylindrical groove is reduced, the sealing effect is improved, waste caused by overflow of lubricating oil is prevented, the oil outlet accuracy can be improved, the second spring 16 is in a compression device at the moment, the electromagnetic valve 19 is closed, the supporting rod 9 is in a sealing state with the piston 15, the supporting rod 9 cannot be restored by the restoring force of the second spring 16, and the sealing plate 6 is connected through the corrugated pipe 18, the sealing plate 6 is not affected by the movement on the strut 9.

Here when connecting rod 12 and ball 20 support and lean on, the promotion through connecting rod 12 makes ball 20 remove towards the direction of guide plate 23, thereby make inside and spacing groove intercommunication of guide rod 22, at this moment, the restoring force through first spring 7 realizes the promotion to closing plate 6, thereby make inside the lubricating oil of column shape inslot flow in guide rod 22 through the oil outlet on guide plate 23 inside, then flow through the opening part on the guide rod 22, thereby the lubrication to the spacing groove is realized, make better the sliding on gag lever post 1 of connecting rod 12.

Compared with the prior art, this positioner with self-lubricate function passes through connecting rod 12 and realizes spacing to gag lever post 1 and shifting ring 11, make shifting ring 11 pass through better the sliding on gag lever post 1 of connecting rod 12, realize the automatic oil of producing to the spacing groove through lubricated mechanism, here improve the leakproofness of closing plate 6 and cylindrical groove through seal assembly, prevent overflowing of lubricating oil and lead to extravagantly, here realize the control to the oil size through adjustment mechanism, frequency through the punching press is adjusted, and therefore the cost is reduced, here make the inside lubricating oil of cylindrical groove flow into to the inner wall of spacing groove through the oil producing subassembly, reduce the frictional force between connecting rod 12 and gag lever post 1, avoid appearing the phenomenon of blocking, thereby improve the punching press precision.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.