CN207273267U - A kind of robot arm collision prevention device - Google Patents
A kind of robot arm collision prevention device Download PDFInfo
- Publication number
- CN207273267U CN207273267U CN201721012538.XU CN201721012538U CN207273267U CN 207273267 U CN207273267 U CN 207273267U CN 201721012538 U CN201721012538 U CN 201721012538U CN 207273267 U CN207273267 U CN 207273267U
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- end cover
- bottom end
- tension spring
- robot arm
- matched
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Abstract
The utility model discloses a kind of robot arm collision prevention device, including upper end cover, bottom end cover and tension spring, matched cylinder shape groove is provided with the inner face of the upper end cover and bottom end cover, it is provided with the cylinder shape groove and the matched helicitic texture of tension spring, the both ends of the tension spring are separately mounted to upper end cover by helicitic texture, in the cylinder shape groove of bottom end cover, matched conductive sheet is additionally provided with the inner face of upper end cover and bottom end cover, the upper end cover, the conductive sheet of both bottom end covers is connected with power supply unit and signal feedback device respectively, connection mounting hole is respectively arranged with the outer end face of the upper end cover and bottom end cover.The present apparatus can effectively absorb the impact force of shock, protect robot arm injury-free equipped with buffering resetting-mechanism.Meanwhile when the collision that robot arm occurs is more than a certain range, two conductive sheet separation, circuit is in off state, then stopping acts, therefore can prevent robot from destructive collision occurs.
Description
Technical field：
It the utility model is related to a kind of robot arm collision prevention device.
Background technology：
Robot (Robot) is the installations of automated execution work.It can not only receive mankind commander, but also can run
The program of advance layout, can also be according to the principle guiding principle action formulated with artificial intelligence technology.Its task is to assist or take
For the work of human work.Important building block of the robot arm as robot, the function that it can be realized is also very much, example
Such as aid in welding, welding gun is fixedly mounted on robot arm and carries out welding job, in welding process, often occur equipped with weldering
The situation that the robot arm of rifle is smashed.Its main cause is that welding gun is secured to be rigidly connected between component, and robot
There is no any cushioning effect for rigid connection, fixed component between arm and welding gun, hitting the whole impact forces brought can be straight yet
Connect and act on welding gun or robot arm.In addition, when welding gun and workpiece collide when barrier, robot arm still band
Dynamic welding gun movement, and cannot stop in time, often welding gun or robot arm are thoroughly smashed.
Utility model content：
Technical problem to be solved in the utility model is：Caching can be played the role of when welding gun collides by providing one kind
And robot arm stopping can be controlled to act, avoid occurring the device of destructive collision.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of robot
Arm collision prevention device, including upper end cover, bottom end cover and tension spring, are provided with the inner face of the upper end cover and bottom end cover and are engaged
Cylinder shape groove, be provided with the cylinder shape groove and pass through with the matched helicitic texture of tension spring, the both ends of the tension spring
Helicitic texture is separately mounted in the cylinder shape groove of upper end cover, bottom end cover, is also set up on the inner face of upper end cover and bottom end cover
Have a matched conductive sheet, the upper end cover and bottom end cover formed under the action of tension spring the beam main body of closing and the two in
The conductive sheet of end face is in contact, the upper end cover, both bottom end covers conductive sheet respectively with power supply unit and signal feedback device
It is connected, connection mounting hole is respectively arranged with the outer end face of the upper end cover and bottom end cover.
Preferably, the upper end cover and bottom end cover match somebody with somebody the beam master for being combined into cylindrical structure under tension spring effect
Body, the beam body exterior are socketed with scalable protective jacket.
Preferably, being provided with reset guide bolt on the upper end cover, the end of the reset guide bolt is beyond upper
The inner face of end cap, is provided with and the matched reset hole of reset guide bolt on the inner face of the bottom end cover.
Preferably, the both sides of the reset hole are provided with reset guide sliding slot.
Preferably, the tension spring is provided at both ends with the first location hole, set on the outer end face of the upper end cover and bottom end cover
Be equipped with matched second location hole of the first location hole of tension spring, in the first location hole and the second location hole positioned at coaxial and lean on
During near position, the both ends of tension spring are separately fixed on upper end cover and bottom end cover by positioning pin.
Compared with prior art, the usefulness of the utility model is：The present apparatus be installed on robot arm and welding gun it
Between, equipped with buffering resetting-mechanism, the impact force of shock can be effectively absorbed, protects robot arm and welding gun injury-free.Together
When, when the collision that welding gun occurs is more than a certain range, two conductive sheet separation, circuit is in off state, robot arm
Stopping acts, therefore can prevent robot arm or welding gun from destructive collision occurs.
Brief description of the drawings：
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the sectional view of the utility model structure diagram.
Fig. 2 is the structure diagram of bottom end cover.
In figure：1st, upper end cover；2nd, bottom end cover；3rd, tension spring；4th, conductive sheet；5th, scalable protective jacket；6th, reset guide bolt；
7th, reset hole；8th, reset guide sliding slot.
Embodiment：
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments：
A kind of robot arm collision prevention device as depicted in figs. 1 and 2, including upper end cover 1, bottom end cover 2 and tension spring 3,
Matched cylinder shape groove is provided with the inner face of the upper end cover 1 and bottom end cover 2, is provided with the cylinder shape groove
With 3 matched helicitic texture of tension spring, the both ends of the tension spring 3 are separately mounted to upper end cover 1, bottom end cover 2 by helicitic texture
Cylinder shape groove in, matched conductive sheet 4, the upper end cover 1 are additionally provided with the inner face of upper end cover 1 and bottom end cover 2
The beam main body of closing is formed under the action of tension spring with bottom end cover 2 and the conductive sheet 4 of the two inner face is in contact, it is described on
End cap 1, the conductive sheet 4 of both bottom end covers 2 are connected with power supply unit and signal feedback device respectively, and the upper end cover 1 is with
Connection mounting hole is respectively arranged with the outer end face of end cap 2, in the case of less because of collision deformation, two conductive sheets 4 will not
It is kept completely separate, impact force can be offset by only relying on anticollision main body and deforming, and when collision deformation exceeds a certain range, two are led
Electric piece is in discrete state, and circuit is in off state, the action of robot arm stopping at this time, it is therefore possible to prevent robot
Destructive collision occurs for arm or welding gun.
The upper end cover 1 and bottom end cover 2 match somebody with somebody the beam main body for being combined into cylindrical structure under the effect of tension spring 3, in reality
Border is in use, in order to protect anticollision main body, and prevents external impurities from entering anticollision body interior, the beam
Body exterior is socketed with scalable protective jacket 5.
Reset guide bolt 6 is provided with the upper end cover 1, the end of the reset guide bolt 6 is beyond upper end cover 1
Inner face, is provided with reset hole 7 matched with reset guide bolt 6 on the inner face of the bottom end cover 2, when upper cover plate 1 with
Separate type occurs for lower cover 2, and the end of reset guide bolt 6 is deviate from from reset hole 7, is resetted in upper cover plate 1 and lower cover 2
During, the end of reset guide bolt 6 is inserted into reset hole 7, and then can ensure the standard that upper cover plate 1 is resetted with lower cover 2
True property.
The both sides of the reset hole 7 are provided with reset guide sliding slot 8, reset guide bolt 6 can along reset guide sliding slot 8 into
Row resets, therefore, the stability in use higher of the present apparatus.
In order to avoid tension spring 3 is subjected to displacement during use, the tension spring 3 is provided at both ends with the first location hole, institute
State be provided with the outer end face of upper end cover 1 and bottom end cover 2 with matched second location hole of the first location hole of tension spring 3,
When a positioning hole and the second location hole are located at coaxially and lean near position, the both ends of tension spring 3 are separately fixed at by positioning pin
On end cap 1 and bottom end cover 2.
It is emphasized that：It is obvious to a person skilled in the art that the utility model is not limited to above-mentioned exemplary reality
The details of example is applied, and in the case of the spirit or essential attributes without departing substantially from the utility model, can be with other specific shapes
Formula realizes the utility model.Therefore, in all respects, the embodiments should be taken as exemplary, and it is non-limit
Property processed, the scope of the utility model is indicated by the appended claims rather than the foregoing description, will in right it is intended that will fall
Ask that all changes that come within the meaning and range of equivalency of the claim are therefore intended to be embraced therein.Should not will be any in claim
Reference numeral is considered as the involved claim of limitation.
Claims (5)
- A kind of 1. robot arm collision prevention device, it is characterised in that：Including upper end cover (1), bottom end cover (2) and tension spring (3), institute State and matched cylinder shape groove is provided with the inner face of upper end cover (1) and bottom end cover (2), set in the cylinder shape groove Have with tension spring (3) matched helicitic texture, the both ends of the tension spring (3) by helicitic texture be separately mounted to upper end cover (1), In the cylinder shape groove of bottom end cover (2), matched conductive sheet is additionally provided with the inner face of upper end cover (1) and bottom end cover (2) (4), the upper end cover (1) and bottom end cover (2) form the beam main body and the two inner face of closing under the action of tension spring Conductive sheet (4) is in contact, the upper end cover (1), bottom end cover (2) the two conductive sheet (4) it is anti-with power supply unit and signal respectively Feedback device is connected, and connection mounting hole is respectively arranged with the outer end face of the upper end cover (1) and bottom end cover (2).
- 2. robot arm collision prevention device according to claim 1, it is characterised in that：The upper end cover (1) and lower end For lid (2) with the beam main body for being combined into cylindrical structure under tension spring (3) effect, the beam body exterior is socketed with can Flexible protective jacket (5).
- 3. robot arm collision prevention device according to claim 1, it is characterised in that：Set on the upper end cover (1) There is reset guide bolt (6), the end of the reset guide bolt (6) exceeds the inner face of upper end cover (1), the bottom end cover (2) it is provided with inner face and reset guide bolt (6) matched reset hole (7).
- 4. robot arm collision prevention device according to claim 3, it is characterised in that：The both sides of the reset hole (7) It is provided with reset guide sliding slot (8).
- 5. robot arm collision prevention device according to claim 3, it is characterised in that：Tension spring (3) both ends are set There is the first location hole, the first location hole phase with tension spring (3) is provided with the outer end face of the upper end cover (1) and bottom end cover (2) The second location hole coordinated, when the first location hole and the second location hole are located at coaxially and lean near position, will be drawn by positioning pin The both ends of spring (3) are separately fixed on upper end cover (1) and bottom end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012538.XU CN207273267U (en) | 2017-08-14 | 2017-08-14 | A kind of robot arm collision prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012538.XU CN207273267U (en) | 2017-08-14 | 2017-08-14 | A kind of robot arm collision prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207273267U true CN207273267U (en) | 2018-04-27 |
Family
ID=61983203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721012538.XU Active CN207273267U (en) | 2017-08-14 | 2017-08-14 | A kind of robot arm collision prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207273267U (en) |
-
2017
- 2017-08-14 CN CN201721012538.XU patent/CN207273267U/en active Active
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