CN208451152U - Inclined wedge traveller centering and clamping mechanism for automatic assembly line - Google Patents
Inclined wedge traveller centering and clamping mechanism for automatic assembly line Download PDFInfo
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- CN208451152U CN208451152U CN201821156933.XU CN201821156933U CN208451152U CN 208451152 U CN208451152 U CN 208451152U CN 201821156933 U CN201821156933 U CN 201821156933U CN 208451152 U CN208451152 U CN 208451152U
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- positioning sleeve
- centering
- hydraulic cylinder
- hydraulic
- platen
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Abstract
Inclined wedge traveller centering and clamping mechanism for automatic assembly line, including positioning sleeve, hydraulic cylinder and hydraulic reversing system, the center line of positioning sleeve is arranged along the vertical direction, the lower end of positioning sleeve is connected with mounting ring, mounting ring is mounted on platen by several groups installation part, wherein offers through-hole on platen；In summary, the utility model pushes press block to realize that the centering to workpiece clamps using taper sheath, this mechanical automation fixture is realized by the axial force that the piston rod of machine tool hydraulic oil cylinder provides, the different same kind of parts processing of hole size may be implemented by interchangeable sliding block, it is versatile, the clamping diameter for being particularly suitable for workpiece is bigger, in the case that clamping length is shorter, especially it is used for the automation machining production line of manipulator automatic charging, the positioning accuracy request of manipulator loading and unloading can be lowered significantly, to reduce the cost of investment of equipment.
Description
Technical field
The utility model belongs to technical field of mechanical processing, and in particular to a kind of inclined wedge traveller for automatic assembly line is fixed
Heart clamp system.
Background technique
Medium-sized cover parts are such as driven a vehicle wheel, also known as " crown sheave ", are the key parts of crane.Driving wheel volume is larger,
Heavier mass, outer diameter is that the driving wheel of 300mm weighs 45 kilograms, if by artificial loading and unloading, large labor intensity expends working hour
It is more, especially in batch production, it will seriously restrict production efficiency.Therefore driving wheel automatic assembly line selects truss manipulator real
Existing automatic loading/unloading reduces production cost to improve productivity.Even if the truss manipulator of high-precision grade, when its is specified
When grabbing again more than 63 kilograms, repetitive positioning accuracy is usually ± 0.1 or more, and row wheel inner holes are matched because forming interference with bearing
It closes, inner hole geometric accuracy is higher, if therefore being positioned with traditional rigid central spindle, manipulator certainty in feeding blanking process
Will appear can not accurate workpiece loading and unloading the problem of.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide a kind of positioning accuracy it is high for automatically raw
The inclined wedge traveller centering and clamping mechanism of producing line.
In order to solve the above technical problems, the utility model adopts the following technical solution: the inclined wedge for automatic assembly line is sliding
Column centering and clamping mechanism, including positioning sleeve, hydraulic cylinder and hydraulic reversing system, the center line of positioning sleeve are arranged along the vertical direction,
The lower end of positioning sleeve is connected with mounting ring, and mounting ring is mounted on platen by several groups installation part, wherein lathe
Through-hole is offered on workbench, through-hole is coaxially set with positioning sleeve, hydraulic cylinder by flanged joint in platen bottom,
And the piston rod coaxial line of hydraulic cylinder is extend into positioning sleeve after through-hole, hydraulic cylinder is connected by oil circuit and hydraulic reversing system
It connects；
Several perforation are offered on positioning sleeve, several perforation are arranged around the axis circular array of positioning sleeve, each
It is slidably connected in perforation and presses block, up-thin-low-thick taper sheath is connected on the piston rod of hydraulic cylinder, the lower part of taper sheath is in circle
Column construction, outer rim and the positioning sleeve inner wall of cylindrical structure are slidably matched, and the middle and upper part of taper sheath offers several sliding slots,
Each sliding slot is arranged along the generatrix direction of taper sheath, several sliding slots are arranged along the center line circular array of taper sheath, to lean on
The direction of nearly positioning sleeve axis be it is interior, the direction with remotely located set axis be it is outer, press the medial surface of block as bevel structure, push up
Briquetting is arranged in a one-to-one correspondence with sliding slot, and the inside portion of each press block is slidably connected in sliding slot.
The piston rod upper end of hydraulic cylinder offers keyway along its length, and taper sheath passes through the flat key that is plugged in keyway
It is connected on the piston rod of hydraulic cylinder, the piston rod threaded upper ends of hydraulic cylinder are connected with round nut, the lower surface of round nut and cone
The top of shape set and the upper end of flat key press contact.
Mounting groove is offered on each press block, all mounting grooves are respectively positioned in same level, all press
Spring collar is connected between block, spring collar is arranged in mounting groove.
The top of each press block is swallowtail-shaped structure, and the top of each perforation is oat tail groove structure, and press block sliding connects
It connects in perforation, and the top for pressing block is located in the oat tail groove structure of perforation.
Hydraulic reversing system includes three position four-way electromagnetic valve, hydraulic pump and fuel tank, and hydraulic pump passes through the first oil pipe and fuel tank
Connection, hydraulic pump are connect by the second oil pipe with three position four-way electromagnetic valve, three position four-way electromagnetic valve pass through respectively oil circuit with it is hydraulic
The oil liquid import of cylinder and oil liquid outlet connection, the oil liquid outbound course on the second oil pipe along hydraulic pump be connected in turn overflow valve,
Fixed pressure reducing valve, speed governing valve and check valve.
Every group of installation part includes backing plate and pressing plate, and inverted T shaped groove is offered on platen, and backing plate is slidably connected at down T
In type groove, sunk screw is threaded on backing plate, the inner end of sunk screw is pierced by backing plate upwards, offers card in mounting ring
Slot, the upper half of backing plate and the inner end of sunk screw are located in card slot, and pressing plate is L-type structure, and jack, machine are offered on pressing plate
It is equipped with connection bolt in the inverted T shaped groove of bed workbench, and the head for connecting bolt is slidably connected in inverted T shaped groove, connects bolt
It is threaded through after the interior inner end for connecting bolt of jack is pierced by upwards at the top of pressing plate and is connected with nut, the one of pressing plate under the action of nut
End cooperates with platen press, and the other end of pressing plate is pressed on mounting ring upper surface.
By adopting the above technical scheme, the utility model has the following beneficial effects:
(1), utility model works principle are as follows: workpiece is placed in mounting ring first, and is set in the outer of positioning sleeve
Side, three position four-way electromagnetic valve realize the commutation of hydraulic circuit, when the left position of three position four-way electromagnetic valve obtains electric, starting hydraulic pump, warp
High pressure oil in fuel tank is pumped into the rodless cavity of hydraulic cylinder by the first oil pipe and the second oil pipe, and high pressure oil pushes the piston of hydraulic cylinder
Bar moves up, and on the piston rod due to taper sheath setting, several press blocks are slidably connected in perforation respectively, so taper sheath
The piston rod of hydraulic cylinder is followed to move up, so that taper sheath pushes out press block, press block is pushed outwardly along perforation, until press
The outside of block is contacted with workpiece inner wall press, realizes that the centering of workpiece clamps, three position four-way electromagnetic valve is located at middle position at this time, hydraulic
Pump stops working, and can process to workpiece；After completion of processing, the right position of three position four-way electromagnetic valve obtain it is electric, hydraulic cylinder
Oil liquid is discharged to fuel tank in rod chamber oil inlet, rodless cavity, and under spring collar effect, press block is withdrawn, and realizes the release of workpiece；
(2), on the one hand the setting of spring collar prevents press block from falling off positioning sleeve, on the other hand may be implemented piston rod to
When lower mobile, the quick gathering of block is pressed, workpiece is unclamped；
(3), (adjusting pressure lower than fixed pressure reducing valve) when check valve is mainly working connection pressure reduction prevents oil liquid from flowing backwards,
Play pressure maintaining effect in short-term；Adjust the speed the piston rod movement speed of valve regulation hydraulic cylinder；Fixed pressure reducing valve is for adjusting the defeated of hydraulic pump
Pressure saves outlet pressure and is basically unchanged out so as to the requirement of adaptation loop, is normally open valve；Overflow valve is for keeping entrance pressure
Power is constant, is normally close valve.
In conclusion the utility model pushes press block to realize that the centering to workpiece clamps using taper sheath, this machinery
Formula automates fixture and is realized by the axial force that the piston rod of machine tool hydraulic oil cylinder provides, and may be implemented by interchangeable sliding block
The different same kind of parts processing of hole size, versatile, the clamping diameter for being particularly suitable for workpiece is bigger, clamping length ratio
In the case where shorter, it is especially used for the automation machining production line of manipulator automatic charging, can be lowered on manipulator significantly
The positioning accuracy request of blanking, to reduce the cost of investment of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the utility model clamps work status schematic diagram；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A；
Fig. 4 is that the utility model unclamps work status schematic diagram；
Fig. 5 is hydraulic reversing system figure in the utility model.
Specific embodiment
As shown in Figs. 1-5, the inclined wedge traveller centering and clamping mechanism for automatic assembly line of the utility model, including positioning
Set 1, hydraulic cylinder 2 and hydraulic reversing system, the center line of positioning sleeve 1 are arranged along the vertical direction, and the lower end of positioning sleeve 1 is connected with
Mounting ring 3, mounting ring 3 are mounted on platen 5 by several groups installation part, are wherein offered on platen 5 logical
Hole 6, through-hole 6 are coaxially set with positioning sleeve 1, hydraulic cylinder 2 by flanged joint in 5 bottom of platen, and hydraulic cylinder 2
7 coaxial line of piston rod is extend into positioning sleeve 1 after passing through through-hole 6, and hydraulic cylinder 2 is connect by oil circuit with hydraulic reversing system；
Several perforation 8 are offered on positioning sleeve 1, several perforation 8 are arranged around the axis circular array of positioning sleeve 1,
It is slidably connected in each perforation 8 and presses block 9, up-thin-low-thick taper sheath 10, taper sheath are connected on the piston rod 7 of hydraulic cylinder 2
10 lower part outer rim and 1 inner wall sliding contact of positioning sleeve, the outer surface of taper sheath 10 offers several sliding slots 11, each sliding slot
11 along taper sheath 10 generatrix direction be arranged, several sliding slots 11 along taper sheath 10 center line circular array arrange, to lean on
The direction of nearly 1 axis of positioning sleeve be it is interior, the direction with remotely located 1 axis of set be it is outer, press the medial surface of block 9 as inclined-plane knot
Structure, press block 9 are arranged in a one-to-one correspondence with sliding slot 11, and the inside portion of each press block 9 is slidably connected in sliding slot 11.
7 upper end of piston rod of hydraulic cylinder 2 offers keyway along its length, and taper sheath 10 is by being plugged in keyway
Flat key 12 is connected on the piston rod 7 of hydraulic cylinder 2, and 7 threaded upper ends of piston rod of hydraulic cylinder 2 are connected with round nut 13, round nut
13 lower surface is contacted with the top of taper sheath 10 and the press of the top of flat key 12.
Mounting groove 14 is offered on each press block 9, is connected with spring collar 15, Spring Card between all press blocks 9
Circle 15 is arranged in mounting groove 14.
The top of each press block 9 is swallowtail-shaped structure, and the top of each perforation 8 is oat tail groove structure, and press block 9 slides
It is connected in perforation 8, and the top for pressing block 9 is located in the oat tail groove structure of perforation 8.
Hydraulic reversing system includes three position four-way electromagnetic valve 16, hydraulic pump 17 and fuel tank 18, and hydraulic pump 17 passes through the first oil
Pipe is connect with fuel tank 18, and hydraulic pump 17 is connect by the second oil pipe with three position four-way electromagnetic valve 16, and three position four-way electromagnetic valve 16 divides
It is not connected by the oil liquid import of oil circuit and hydraulic cylinder 2 and oil liquid outlet, along the oil liquid output side of hydraulic pump 17 on the second oil pipe
To being connected with overflow valve 19, fixed pressure reducing valve 20, speed governing valve 21 and check valve 22 in turn.
Every group of installation part includes backing plate 24 and pressing plate 25, and inverted T shaped groove is offered on platen 5, and the sliding of backing plate 24 connects
It connects in inverted T shaped groove, sunk screw 4 is threaded on backing plate 24, the inner end of sunk screw 4 is pierced by backing plate 24 upwards, installation
Card slot is offered on ring 3, the upper half of backing plate 24 and the inner end of sunk screw 4 are located in card slot, and pressing plate 25 is L-type structure,
Jack is offered on pressing plate 25, connection bolt 26 is equipped in the inverted T shaped groove of platen 5, and the head for connecting bolt 26 is sliding
It is dynamic to be connected in inverted T shaped groove, after the inner end that connection bolt 26 is threaded through connection bolt 26 in jack is pierced by 25 top of pressing plate upwards
It is connected with nut 27, one end of pressing plate 25 and the press of platen 5 cooperate under the action of nut 27, the other end of pressing plate 25
It is pressed on 3 upper surface of mounting ring.
The course of work is clamped using the centering that the utility model carries out workpiece are as follows: workpiece is placed on 3 plate of mounting ring first
On, and it is set in the outside of positioning sleeve 1, three position four-way electromagnetic valve 16 realizes the commutation of hydraulic circuit, works as three position four-way electromagnetic valve
16 left position obtain it is electric, start hydraulic pump 17, the high pressure oil in fuel tank 18 is pumped into hydraulic cylinder 2 through the first oil pipe and the second oil pipe
In rodless cavity, high pressure oil pushes the piston rod 7 of hydraulic cylinder 2 to move up, several since taper sheath 10 is arranged on piston rod 7
Press block 9 is slidably connected at respectively in perforation 8, so taper sheath 10 follows the piston rod 7 of hydraulic cylinder 2 to move up, thus taper sheath
10 push out press block 9, and press block 9 is pushed outwardly along perforation 8, until the outside of press block 9 connects with the press of 23 inner wall of workpiece
Touching realizes that the centering of workpiece 23 clamps, and three position four-way electromagnetic valve 16 is located at middle position at this time, and hydraulic pump 17 stops working, can be right
Workpiece 23 is processed；After completion of processing, the right position of three position four-way electromagnetic valve 16 obtains electric, the rod chamber oil inlet of hydraulic cylinder 2, nothing
Oil liquid is discharged to fuel tank 18 in rod cavity, and under the effect of spring collar 15, press block 9 is withdrawn, and realizes the release of workpiece 23, spring collar
On the one hand 15 setting prevents press block 9 from falling off positioning sleeve 1, when piston rod 7 on the other hand may be implemented moving down, press block
9 quick gathering, workpiece 23 is unclamped；
Wherein, (adjusting pressure lower than fixed pressure reducing valve 20) when check valve 22 is mainly working connection pressure reduction prevents oil liquid
It flows backwards, plays pressure maintaining effect in short-term；7 movement velocity of piston rod of the adjusting hydraulic cylinder 2 of speed governing valve 21；Fixed pressure reducing valve 20 is for adjusting
The output pressure of hydraulic pump 17 saves outlet pressure and is basically unchanged so as to the requirement of adaptation loop, is normally open valve；Overflow valve 19 is used
It is normally close valve in keeping inlet pressure constant.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (6)
1. being used for the inclined wedge traveller centering and clamping mechanism of automatic assembly line, it is characterised in that: including positioning sleeve, hydraulic cylinder and hydraulic
The center line of exchange system, positioning sleeve is arranged along the vertical direction, and the lower end of positioning sleeve is connected with mounting ring, if mounting ring passes through
Dry group installation part is mounted on platen, through-hole is wherein offered on platen, through-hole is set with positioning sleeve coaxial line
It sets, hydraulic cylinder is extend into after platen bottom, and the piston rod coaxial line of hydraulic cylinder pass through through-hole by flanged joint
In positioning sleeve, hydraulic cylinder is connect by oil circuit with hydraulic reversing system；
Several perforation are offered on positioning sleeve, several perforation are arranged around the axis circular array of positioning sleeve, each perforation
It is inside slidably connected and presses block, up-thin-low-thick taper sheath is connected on the piston rod of hydraulic cylinder, the lower part of taper sheath is cylindrical
Structure, outer rim and the positioning sleeve inner wall of cylindrical structure are slidably matched, and the middle and upper part of taper sheath offers several sliding slots, each
Sliding slot is arranged along the generatrix direction of taper sheath, several sliding slots are arranged along the center line circular array of taper sheath, close to fixed
The direction of position set axis be it is interior, the direction with remotely located set axis be it is outer, press the medial surface of block as bevel structure, press block
It is arranged in a one-to-one correspondence with sliding slot, and the inside portion of each press block is slidably connected in sliding slot.
2. the inclined wedge traveller centering and clamping mechanism according to claim 1 for automatic assembly line, it is characterised in that: hydraulic
The piston rod upper end of cylinder offers keyway along its length, and taper sheath is connected to hydraulic cylinder by the flat key being plugged in keyway
Piston rod on, the piston rod threaded upper ends of hydraulic cylinder be connected with round nut, the lower surface of round nut and the top of taper sheath and
The upper end of flat key presses contact.
3. the inclined wedge traveller centering and clamping mechanism according to claim 1 for automatic assembly line, it is characterised in that: each
Mounting groove is offered on press block, all mounting grooves are respectively positioned in same level, are connected between all press blocks
Spring collar, spring collar are arranged in mounting groove.
4. the inclined wedge traveller centering and clamping mechanism according to claim 1 for automatic assembly line, it is characterised in that: each
The top for pressing block is swallowtail-shaped structure, and the top of each perforation is oat tail groove structure, and press block is slidably connected in perforation, and
The top for pressing block is located in the oat tail groove structure of perforation.
5. the inclined wedge traveller centering and clamping mechanism according to claim 1 for automatic assembly line, it is characterised in that: hydraulic
Exchange system includes three position four-way electromagnetic valve, hydraulic pump and fuel tank, and hydraulic pump is connect by the first oil pipe with fuel tank, and hydraulic pump is logical
The second oil pipe is crossed to connect with three position four-way electromagnetic valve, three position four-way electromagnetic valve pass through respectively oil circuit and hydraulic cylinder oil liquid import and
Oil liquid outlet connects, and the oil liquid outbound course on the second oil pipe along hydraulic pump is connected with overflow valve, fixed pressure reducing valve, speed regulation in turn
Valve and check valve.
6. the inclined wedge traveller centering and clamping mechanism according to claim 1 for automatic assembly line, it is characterised in that: every group
Installation part includes backing plate and pressing plate, and inverted T shaped groove is offered on platen, and backing plate is slidably connected in inverted T shaped groove, on backing plate
It is threaded with sunk screw, the inner end of sunk screw is pierced by backing plate upwards, and card slot, the upper half of backing plate are offered in mounting ring
Be located in card slot with the inner end of sunk screw, pressing plate is L-type structure, offer jack on pressing plate, platen it is inverted T shaped
Connection bolt is equipped in slot, and the head for connecting bolt is slidably connected in inverted T shaped groove, connection bolt is threaded through connection in jack
The inner end of bolt is connected with nut after being pierced by the top of pressing plate upwards, one end of pressing plate and platen top under the action of nut
Press-fit, the other end of pressing plate are pressed on mounting ring upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156933.XU CN208451152U (en) | 2018-07-20 | 2018-07-20 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156933.XU CN208451152U (en) | 2018-07-20 | 2018-07-20 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208451152U true CN208451152U (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821156933.XU Expired - Fee Related CN208451152U (en) | 2018-07-20 | 2018-07-20 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208451152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890357A (en) * | 2018-07-20 | 2018-11-27 | 黄河科技学院 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
| CN113289104A (en) * | 2021-06-07 | 2021-08-24 | 宁波开发区医院 | Anticoagulant injection device for hemodialysis |
-
2018
- 2018-07-20 CN CN201821156933.XU patent/CN208451152U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890357A (en) * | 2018-07-20 | 2018-11-27 | 黄河科技学院 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
| CN113289104A (en) * | 2021-06-07 | 2021-08-24 | 宁波开发区医院 | Anticoagulant injection device for hemodialysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210720 |