CN207593336U - A kind of Tool changeover device of fluid control - Google Patents
A kind of Tool changeover device of fluid control Download PDFInfo
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- CN207593336U CN207593336U CN201721733790.XU CN201721733790U CN207593336U CN 207593336 U CN207593336 U CN 207593336U CN 201721733790 U CN201721733790 U CN 201721733790U CN 207593336 U CN207593336 U CN 207593336U
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- mechanical arm
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Abstract
The utility model is related to the technical fields of machine tool, disclose a kind of Tool changeover device of fluid control, including base rack, rotating cylinder, push away cylinder and mechanical arm, the top and bottom of the base rack are respectively with the cylinder body of rotating cylinder and pushing away the cylinder body of cylinder and being fixedly connected；Switching axle sleeve concentric with it is connected on the output shaft of the rotating cylinder, is slided in switching axle sleeve along its axis direction and is provided with connecting rod；The piston rod for pushing away cylinder is set as hollow structure and is rotationally connected with the outside of the connecting rod；The switching axle sleeve, connecting rod and piston rod are set along same axis direction；It is fixedly connected in the middle part of the end of the connecting rod and mechanical arm, and the both ends of mechanical arm are symmetrically arranged with cutter claw, it is complicated to improve existing Tool changeover apparatus structure, manufacture difficulty is larger, and entire circulation action cannot be continuously decomposed the problem of causing to main tapping and more demanding knife storehouse relative position.
Description
Technical field
The utility model is related to the technical fields of machine tool, and in particular, to a kind of Tool changeover dress of fluid control
It puts.
Background technology
In the automatic tool changer of numerically-controlled machine tool, cutter is transmitted and loaded and unloaded between tool magazine and machine tool chief axis for realizing
Device is known as Tool changeover device, and the exchanged form of cutter is generally divided into carries out Tool changeover and by tool magazine and machine using manipulator
The relative motion of bed main shaft is realized without manipulator Tool changeover.In a manner that manipulator carries out Tool changeover in the minds of work in-process
Using the most generally, it has very big flexibility, it is possible to reduce tool change time.
In Tool changeover device, the specific requirement to manipulator is the reliable, precise coordination that is swift in motion.Due to different
The tool magazine of machining center is different from the relative position of main shaft, so the also phase not to the utmost of tool-changing mechanical arm used in various machining centers
Together, but from the point of view of the type of manipulator arm, there are single arm robot and dual-arm robot etc..Dual-arm robot can be completed to grab
Knife, draw sword, turn round, slotting tool, a series of actions such as return.Cutter slides in order to prevent, and the hand of each manipulator, which is grabbed, carries self-locking
Mechanism, the action of two-arm swing manipulator is fairly simple, and the knife in can capture and remove stage makeup and costume simultaneously machine tool chief axis and tool magazine
Tool, can further shorten can tool change time.Feature is that two tool magazines and two single arm robot cooperations work, therefore single
The impulse stroke of manipulator shortens dramatically, and can be effectively saved tool change time.In addition, cause lathe due to tool magazine is divided to and is set up at two
Integral layout is more rational.
For widely used cam tool changing device in Tool changeover device is mainly used at present, driven by motor output torque
Moving cam tool changing device, then the Tool changeovers action such as the completion of cooperative mechanical arm draws sword to circular tool magazine, rotates, slotting tool；It should
The tool-changing speed of device is very fast, but complicated, and manufacture difficulty is larger, and entire circulation action is continuous, it is impossible to decompose, to main shaft
And knife bin location is more demanding.
Utility model content
To improve above-mentioned technical problem, the utility model provides a kind of Tool changeover device of fluid control to reach letter
Change the overall structure of tool changing device, reduce tool changing and the required precision and reduction of main tapping and knife storehouse relative position are manufactured into
This purpose improves existing Tool changeover apparatus structure complexity, and manufacture difficulty is larger, and entire circulation action cannot continuously divide
The problem of solution causes to main tapping and more demanding knife storehouse relative position.
In order to realize above-mentioned technique effect, technical solution provided by the utility model is：A kind of cutter of fluid control
Switch including base rack, rotating cylinder, pushes away cylinder and mechanical arm, the top and bottom of the base rack respectively with rotation
The cylinder body for turning cylinder is fixedly connected with the cylinder body for pushing away cylinder；Switching axle sleeve concentric with it is connected on the output shaft of the rotating cylinder,
The slip of its axis direction is provided with connecting rod in switching axle sleeve；The piston rod for pushing away cylinder is set as hollow structure and is rotationally connected with
The outside of the connecting rod；The switching axle sleeve, connecting rod and piston rod are set along same axis direction；The end of the connecting rod and machine
It is fixedly connected in the middle part of tool arm, and the both ends of mechanical arm are symmetrically arranged with cutter claw.
Further, counterbore is offered on the mechanical arm, expansion sleeve is equipped in counterbore；The expansion sleeve and the company
Rod set connects in succession.
Further, its axis direction of the inner wall upper edge of the switching axle sleeve offers at least one keyway；The connecting rod
The convex key to match with keyway is equipped with, and convex key is slideably positioned in keyway.
Further, the connecting rod is equipped with positioning shaft shoulder；Set is equipped between one end of the piston rod and positioning shaft shoulder
In the first thrust bearing on connecting rod, the second thrust bearing being placed on connecting rod is equipped between the other end and the mechanical arm.
Further, the top and bottom of the base rack offer the first mounting hole and the second mounting hole respectively, the
One mounting hole and the second mounting hole match respectively with switching axle sleeve and piston rod.
Compared with the prior art, the beneficial effects of the utility model are：
1. the utility model is by the way that base rack, the connecting rod equipped with convex key, thrust bearing etc. are by rotating cylinder and to push away cylinder mutual
It is assembled；Under operating condition, rotated, stretched by pushing away cylinder control machinery arm, to realize machine by rotating cylinder control machinery arm
Cutter on tool arm carries out slotting tool or draws sword, and passes through extraneous system and control to adjust the two sequence of movement, is finally completed knife
The exchange of tool；Different according to the demand of actual production, two actions of Tool changeover can be continuously finished, and can also be separated and be carried out,
Greatly reduce required precision of the tool changing for main tapping and knife storehouse relative position, be that bigger is created in other mechanisms design of tool magazine
Space, relative to the prior art, this tool-changing mechanism is simpler, and cost of manufacture is lower；
2. being fixedly connected between mechanical arm and the connecting rod by main axis of dilatation, operator need to only tighten trip bolt,
The connective stability that can be further ensured that between mechanical arm and connecting rod can be effectively prevent during Tool changeover, machinery
Corresponding loosening occurs for arm, avoids the generation of security risk；
3. by assembly connection is carried out by way of convex key and keyway between connecting rod and switching axle sleeve, when the output of rotating cylinder
When axis is rotated, connecting rod only relative to piston rod rotation, can not generate relative movement；It will pass through between connecting rod and piston rod
Thrust bearing is assembled, and when pushing away cylinder driving piston rod movement, connecting rod only slides axially relative to Coupling Shaft set, no
It can be relatively rotated, ensure that mechanical arm in rotating cylinder and under pushing away the mating reaction of cylinder, carry out stretching motion or rotation fortune
It is dynamic, to realize the exchange of cutter；
4. the overall structure of the utility model is simple, flexibly adjustable for the driving of mechanical arm, knife can be well being realized
Have in the action process exchanged, greatly simplify the overall structure of Tool changeover device, reduce tool changing for main tapping and knife
The required precision of storehouse relative position is conducive to carry out large-scale promotion and implementation in the actual production process.
Description of the drawings
Fig. 1 is the whole schematic cross-sectional view of the Tool changeover device of fluid control provided by the utility model；
Fig. 2 is the close-up schematic view of Fig. 1.
Specific embodiment
The utility model is further described in detail with reference to specific embodiment, following word is intended to indicate that
The utility model, and unrestricted the scope of protection of the utility model.
As shown in Figure 1 and Figure 2, the utility model can be implemented as follows, a kind of Tool changeover dress of fluid control
Put, including base rack 4, rotating cylinder 1, push away cylinder 7 and mechanical arm 11, the top and bottom of the base rack 4 respectively with rotation
The cylinder body for turning cylinder 1 is fixedly connected with the cylinder body for pushing away cylinder 7, and the cylinder body of rotating cylinder 1 is fixed on the upper of base rack 4 by the first screw
End, and the end offers the threaded hole to match with the first screw, likewise, the cylinder body for pushing away cylinder 7 is fixed by the second screw
In the lower end of base rack 4, and the end offers the threaded hole to match with the second screw；The output shaft of the rotating cylinder 1
On be connected with switching axle sleeve 2 concentric with it, that is, the end for axle sleeve 2 of transferring is fixedly connected on rotating cylinder 1 by third screw
On output shaft, the slip of its axis direction is provided with connecting rod 8 in switching axle sleeve 2, that is, 2 activity of axle sleeve of transferring is placed on the connecting rod 8
Outside, with ensure connecting rod 8 with switching axle sleeve 2 can not relatively rotate, be merely able to be moved in the axial direction；It is described to push away
The piston rod 6 of cylinder 7 is set as hollow structure and is rotationally connected with the outside of the connecting rod 8, in being used due to the piston rod 6 for pushing away cylinder 7
Hollow structure, it is ensured that piston rod 6 is placed on the outside of the connecting rod 8, ensures to be merely able to carry out between connecting rod 8 and piston rod 6 opposite
Rotation, it is impossible to make a relative move；The switching axle sleeve 2, connecting rod 8 and piston rod 6 are set along same axis direction, that is, are transferred
The pivot center of the pivot center of axle sleeve 2, the pivot center of connecting rod 8 and piston rod 6 is respectively positioned in same rectilinear direction；It is described
The end of connecting rod 8 is fixedly connected with the middle part of mechanical arm 11, and connecting rod 8 can drive mechanical arm 11 to be rotated or stretching motion,
And the both ends of mechanical arm 11 are symmetrically arranged with cutter claw 10, the rotation of mechanical arm 11 is realized in the cutter claw 10 at both ends
The cutter in portion carries out free exchange.
Counterbore is offered on the mechanical arm 11, expansion sleeve 12, the i.e. inner wall of counterbore and expansion sleeve 12 are equipped in counterbore
Outer wall match；In the assembling process to mechanical arm 11, only need to fasten expansion sleeve 12 trip bolt 13 be allowed to generate it is swollen
It is swollen, make the stable connection between connecting rod 8 and mechanical arm 11, relative displacement will not be generated.
Its axis direction of the inner wall upper edge of the switching axle sleeve 2 offers at least one keyway；The connecting rod 8 be equipped with
The convex key 3 that keyway matches, and convex key 3 is slideably positioned in keyway；As preference, at the port position of switching axle sleeve 2
Equipped with flange, the port diameter and the diameter of the connecting rod 8 for making switching axle sleeve 2 match, and keyway is offered on flange, connecting rod
8 side wall is equipped with the convex key 3 to match with keyway, and convex key 3 has stroke length, ensures that convex key 3 can carry out in keyway
It is free to slide.
The keyway sets the center symmetric setting there are two and relative to switching axle sleeve 2, correspondingly, in the outside of connecting rod 8
Also convex key 3 corresponding with keyway respectively is symmetrically arranged on wall, using the form for being symmetrical arranged two keyways, ensures connecting rod 8
Sliding stability inside switching axle sleeve 2.
The connecting rod 8 is equipped with positioning shaft shoulder；It is equipped between one end of the piston rod 6 and positioning shaft shoulder and is placed on connecting rod 8
On the first thrust bearing 5, the end of the first thrust bearing 5 is pushed against on the side of the positioning shaft shoulder, the other end with it is described
The second thrust bearing 9 being placed on connecting rod 8 is equipped between mechanical arm 11, the end of the second thrust bearing 9 is pushed against mechanical arm 11
End face on, the both ends of piston rod 6 are pushed against respectively by the first thrust bearing 5 and the second thrust bearing 9, are realized 8 He of connecting rod
The relative movement of piston rod 6 in the axial direction is positioned；As preference, the endoporus both ends of the piston rod 6 are arranged
There is lubricative axle sleeve 14, lubricative axle sleeve 14 is movably set on the connecting rod 8, as preference, the endoporus both ends of the piston rod 6
The annular groove to match with the lubricative axle sleeve 14 is offered respectively, and the endoporus of lubricative axle sleeve 14 matches with the connecting rod 8, protects
Card connecting rod 8 can be relatively rotated relative to piston rod 6.
The top and bottom of the base rack 4 offer the first mounting hole and the second mounting hole, the first mounting hole respectively
Match respectively with switching axle sleeve and piston rod 6 with the second mounting hole, after rotating cylinder 1 is with the assembling fixation of cylinder 7 is pushed away, Coupling Shaft
Set 2 and piston rod 6 can be respectively protruding into the first mounting hole and the second mounting hole.
It is preferred that the both ends of the mechanical arm 11 are respectively equipped with cutter claw 10, the cutter claw 10 and knife
Tool is assembled by way of insertion, and the fault-tolerance of mechanism can be improved using this structure.
The operation principle of Tool changeover device provided by the utility model is as follows：
During work, entire Tool changeover device is sent by external moving parts to tool change position, is pushed away cylinder 7 and is injected pressure from top
Force flow body, piston rod 6 drive connecting rod 8 and mechanical arm 11 to move straight down, and connecting rod 8 and switching axle sleeve 2 occur in the axial direction
It is opposite to slide, the cutter inside the cutter claw 10 being assemblied on mechanical arm 11 is extracted from the spindle nose of lathe；Arrival refers to
Positioning postpones, and piston rod 6 keeps opposing stationary, injects pressure fluid from 1 side of rotating cylinder, rotating cylinder 1 rotates, rotating cylinder 1
Output shaft drives switching axle sleeve 2, connecting rod 8 and mechanical arm 11 to rotate synchronously 180 °；After in place again from push away 7 lower part of cylinder injection stream
Body, piston rod 6 drive connecting rod 8 and mechanical arm 11 to move straight up, return to initial position, another mounted in mechanical arm 11 in advance at this time
Cutter inside the cutter claw 10 at end enters main shaft, completes the cutter inside cutter claw 10 and swaps.
As preference, rotary oil cylinder or rotary cylinder can be used in the rotating cylinder 1, oil pressure can be used in the cylinder 7 that pushes away
It pushes away cylinder 7 or air pressure pushes away cylinder 7.
In the technical scope that any one skilled in the art discloses in the utility model, change can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with right
It is required that subject to the protection domain.
Claims (5)
1. a kind of Tool changeover device of fluid control, which is characterized in that including base rack, rotating cylinder, push away cylinder and machinery
Arm, the top and bottom of the base rack are respectively with the cylinder body of rotating cylinder and pushing away the cylinder body of cylinder and being fixedly connected；The rotating cylinder
Output shaft on be connected with switching axle sleeve concentric with it, the slip of its axis direction is provided with connecting rod in switching axle sleeve；It is described
The piston rod for pushing away cylinder is set as hollow structure and is rotationally connected with the outside of the connecting rod；The switching axle sleeve, connecting rod and piston rod
It is set along same axis direction；It is fixedly connected in the middle part of the end of the connecting rod and mechanical arm, and the both ends of mechanical arm are symmetrically set
It is equipped with cutter claw.
2. the Tool changeover device of fluid control according to claim 1, which is characterized in that offered on the mechanical arm
Counterbore is equipped with expansion sleeve in counterbore；The expansion sleeve is connected with connecting rod socket.
3. the Tool changeover device of fluid control according to claim 1, which is characterized in that the inner wall of the switching axle sleeve
Its axis direction of upper edge offers at least one keyway；The connecting rod is equipped with the convex key to match with keyway, and convex key is slided
It is set in keyway.
4. the Tool changeover device of fluid control according to claim 1, which is characterized in that the connecting rod is equipped with positioning
The shaft shoulder；Be equipped between one end of the piston rod and positioning shaft shoulder and be placed on the first thrust bearing on connecting rod, the other end with it is described
The second thrust bearing being placed on connecting rod is equipped between mechanical arm.
5. the Tool changeover device of fluid control according to claim 1, which is characterized in that the upper end of the base rack
Offer the first mounting hole and the second mounting hole respectively with lower end, the first mounting hole and the second mounting hole respectively with switching axle sleeve and
Piston rod matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733790.XU CN207593336U (en) | 2017-12-13 | 2017-12-13 | A kind of Tool changeover device of fluid control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733790.XU CN207593336U (en) | 2017-12-13 | 2017-12-13 | A kind of Tool changeover device of fluid control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593336U true CN207593336U (en) | 2018-07-10 |
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ID=62765096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721733790.XU Active CN207593336U (en) | 2017-12-13 | 2017-12-13 | A kind of Tool changeover device of fluid control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877232A (en) * | 2017-12-13 | 2018-04-06 | 成都普瑞斯数控机床有限公司 | A kind of Tool changeover device of fluid control |
-
2017
- 2017-12-13 CN CN201721733790.XU patent/CN207593336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877232A (en) * | 2017-12-13 | 2018-04-06 | 成都普瑞斯数控机床有限公司 | A kind of Tool changeover device of fluid control |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211112 Address after: 610000 No. 301, building 2, No. 79, tianqin West Street, hi tech Zone, Chengdu, Sichuan Patentee after: Chengdu Yuding special processing technology Co., Ltd Address before: 610000 No. 79, tianqin West Street, hi tech Zone (West District), Chengdu, Sichuan Patentee before: Chengdu Prius CNC Machine Tool Co., Ltd |