KR100228852B1 - Rotatable robot for bleed workpiece - Google Patents

Abstract

역작동에 의해 작동축(41)을 전후진 시킬 수 있고 구동모터(22)의 정역작동에 의해 작동축(41)을 회전이동 및 복귀시킬 수 있도록 된 것인바, 부품수를 현저히 줄여줌으로써 중량을 가볍게 하여 제작 및 운반을 용이하게 할 수 있고 행동반경을 축소시키고 부피도 줄여줌으로써 제품을 소형화시켜 협소하고 높이가 낮은 공간에도 구애없이 설치하여 사용할 수 있으며, 작동원리가 단순화되어 작동싸이클타임을 단축시켜 줌으로써 작업능률을 향상시킬 수 있고 구조 및 작동원리가 간단하여 고장이 발생되거나 A/S를 실시하여야 하는 염려도 전혀없게 할 수 있다.The present invention relates to a take-out robot for taking out an injection product such as an injection molding product from an injection machine, and the

The operating shaft 41 can be moved back and forth by the reverse operation, and the operating shaft 41 can be rotated and returned by the forward and reverse operation of the driving motor 22. As a result, the weight of the parts can be significantly reduced. By making it light, it can be easily manufactured and transported, and it can reduce the radius of operation and reduce the volume. By improving the efficiency of work, the structure and the operation principle are simple, so that there is no fear of failure or A / S.

Description

Rotary take-out robot

The present invention relates to a take-out robot for taking out an injection-molded product such as an injection molded product from an injection machine, which will be described in more detail in the rotary take-out robot which can be moved forward and backward and rotated by any means with one working shaft It is about.

Referring to the conventional extraction robot briefly based on the accompanying drawings as follows.

1 is an exemplary view showing a conventional take-out robot, Figure 2 (a) is a plan view of the conventional take-out robot, Figure 2 (b) is a front view.

As shown in the drawing, in the conventional take-out robot 1, the X axis 3 is provided in the X direction on the upper side of the base 2, and the Y axis 4 is disposed on the X axis 3 above. It is installed to be orthogonal to the X-axis (3), the rack 10 is fixed to the X-axis (3) and the motor (9) is fixed to the Y-axis (4) pinion (11) on the rotating shaft is fixed The positive and reverse rotation of the motor 9 allows the Y axis 4 to move left and right along the X axis 3.

The cylinder 7 is fixed on the Y axis 4 in the longitudinal direction, and the Z axis 5 is movable along the Y axis 4 along the Y axis 4 at the end of the rod of the cylinder 7.

The cylinder 8 is fixed to the Z axis 5 in the longitudinal direction, and the ejecting jig 6 is fixed to the end of the rod, and the ejecting jig 6 is received by the cylinder 8 storing / drawing the rod. Is to move up and down.

The conventional ejection robot 1 waits at the origin when ejecting the ejection from the ejector, and when the mold of the ejector (not specifically shown) is opened, the cylinder 8 operates to lower the ejection jig 6. At the same time, the cylinder 7 is operated to advance the ejection jig 6 to catch the injection product.

In the above state, when the cylinder 7 is operated to reverse the take-out jig 6, the cylinder 8 is operated at the same time as the reverse to raise the take-out jig 6.

In the above state, when the motor 9 is operated in the forward rotation, the Y axis 4 moves to the right along the X axis 3 to place the injection molded product in the ejecting jig 6 on a conveyor (not specifically shown). Transfer to the next process.

In the above state, the Y axis 4 is again positioned at the origin by the reverse rotation operation of the motor 9 to prepare for the next work.

However, the conventional take-out robot 1 that is operated in this way is pointed out the following disadvantages.

Conventional take-out robot 1 is heavy and difficult to install and move because the Y-axis 4 is moved left and right on the X-axis 3, the Y-axis moves on the X-axis and Z again on the Y-axis. Since the Z axis is operated after the axis is moved, it takes a lot of operating cycle time and it is inefficient.It is impossible to operate the machine precisely due to the vibration and noise of the X and Y axes. There was a problem such as falling.

In addition, the width of the front and rear left and right, the height is high and the volume is not easy to manufacture and operate, but also limited installation and use because the installation was possible only by securing a wide space with high height.

In addition, there are many loads, a large number of parts, a lot of manufacturing costs, and the structure is complicated, the failure rate is high, and the operation cycle time is long, there is a problem that productivity is low.

The present invention is to provide a rotary take-out robot that can solve the above problems.

The present invention allows to unify the existing X-axis and Y-axis to one operating axis, and by omitting the Z-axis to move the operating shaft forward and backward by the cylinder and to rotate by a certain angle by the drive motor rotational take-out The purpose is to provide a robot.

Another object of the present invention is to provide a rotary take-out robot that can be easily manufactured, installed and moved by reducing the number of parts by reducing the number of parts, another object of the present invention is to significantly reduce the volume By providing a rotating take-out robot that can be installed regardless of the installation space and ceiling height.

Another object of the present invention is to provide a take-out robot that can shorten the operating cycle time to improve the work efficiency and to eliminate the vibration and noise of the equipment to prevent the malfunction to improve the reliability of the product quality have.

The above and other objects of the present invention, in the rotary take-out robot for ejecting the injection molding, the rotating shaft 23 is driven by the drive motor 22, the support rod 21 and the ball bush of the inner side of the rotating shaft A drive unit including a rotating shaft support part 24 rotatably supporting the rotating shaft support part 24, and a forward and backward cylinder 38 for advancing the rotating axis support part back and forth; A driving arm 25 coupled to the rotating shaft 23 and rotating together with the rotating shaft 23, a fixed arm 28 fixed to the support part 24, and a mandrel installed on the driving arm 25 and the fixed arm 28, respectively. An operating portion consisting of operating arms 26 and 27; The operation arms 26 and 27 are mandrel-coupled, and a cylinder 40 for a jig operation is provided at one end thereof, and is achieved by a rotary ejection robot comprising an ejection part provided with a ejection jig 42 at the other end. do.

역작동에 의해 작동축(41)을 전후진시킬 수 있고 구동모터(22)의 정역작동에 의해 작동축(41)을 회전이동 및 복귀시킬 수 있는 것이다.Since the present invention is as described above, the positive and negative cylinder 38

The operating shaft 41 can be advanced back and forth by the reverse operation, and the operating shaft 41 can be rotated and returned by the forward and reverse operation of the driving motor 22.

1 is an exemplary view showing a conventional take-out robot.

2 (a) and 2 (b) are a plan view and a front view of a conventional take-out robot.

3 (a) and 3 (b) are a plan view and a front view of the take-out robot according to the invention.

Figure 4 is an illustration of the operation relationship of the take-out robot according to the present invention.

* Explanation of symbols for main parts of the drawings

1: Takeout robot 3: X axis

4: Y axis 5: Z axis

6: ejection jig 9: motor

10: rack 11: pinion

20: rotary take-out robot 21: support rod

22: drive motor 23: rotating shaft

24 support portion 25 drive arm

26,27: working arm 28: fixed arm

29: fixed shaft 30: support bracket

31: guide rod 32: shock absorber

33,34: Detection sensor 35: Reverse distance adjusting bolt

36: forward distance adjustment bolt 37: home position detection sensor and dog

38: forward and backward cylinder 40: jig rotation cylinder

41: working shaft 42: ejection jig

43: device frame

The above and other objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

3 (a) and 3 (b) are a plan view and a front view of the rotary take-out robot 20 according to the present invention, and FIG. 4 is an enlarged view of the main part.

The support shaft 24 is integrally formed on one side of the support rod 21, and the driving shaft 22 is mounted on the bottom of the support rod 21, and the rotary shaft is integrated with the axis of the drive motor 22 on the support rod 21. (23) was formed.

One end of the driving arm 25 is fixed to the rotation shaft 23, and the fixing arm 28 is fixed to the upper end of the support bar 21 to be inclined backward, and the other end of the driving arm 25 and the fixing arm 28 are fixed. One end of each of the operating arms (26) and (27) is connected to the shaft (29-2) and the fixed shaft (29), and the other end of each of the operating arms (26) and (27) is connected to the shaft (29) on the jig rotation cylinder (40). Mandrel was installed in -1).

The upper end of the rotary shaft 23 is provided with an origin sensor and a dog 37 so that the rotation angle of the rotary shaft 23 can be sensed, and the conventional ejection jig 42 is attached to the rod of the jig rotating cylinder 40. The working shaft 41 having the coupling was connected.

On the other hand, the support 24 is connected to the rod 38-1 of the forward and backward cylinder 38 so that the operating shaft 41 including the support bar 21 can be advanced back and forth, in particular, the support 24 is The guide rod 31 is fixed to the support bracket 30 so as to prevent the oscillation and the linear movement when the support is moved, so that the support 24 is inserted through the guide rod 31.

In addition, the front and rear portions of the support bracket 30 are provided with sensors 33 and 34 so that the front and rear states of the support part 24 can be detected, and the shock absorber 32 is mounted on the support part 24 to back and forth. The forward shock can be alleviated, and the forward and backward distance adjustment bolt 36 and the backward distance adjustment bolt 35 are provided at the front and rear of the apparatus frame 37 to support the forward and backward distances of the support part 24 and the support bar 21. To adjust.

The operation relationship will be described below.

The rotary take-out robot 20 according to the present invention is used by being mounted on one side of the fixed side 16 of the injection molding machine 15 as shown in FIG. 3 (a).

The injection molding machine 15 operates with the operating shaft 41 positioned as shown by the virtual line. In the state in which the moving side 17 of the injection molding machine is in contact with the fixed side 16, the injection molding unit (not shown) is formed, and when the molding is completed, the moving side 17 is moved as shown, wherein the injection molding unit is fixed side It is located at (16).

In this state, the drive motor 22 is operated to rotate the rotating shaft 23, which is rotated by a predetermined angle only by the origin sensor and the dog 37.

When the rotary shaft 23 is rotated, the driving arm 25 also rotates to push the operating arms 26 and 27, so that the operating arm 27 fixed to the fixed shaft 29 has the fixed shaft 29 as the origin. The rotation of the operating arms 26 and 27 causes the operating shaft 41 to rotate inward from the outside of the fixed side 16. In this state, the forward and backward cylinder 25 operates in reverse to retract the support rod 21 together with the support 24, and thus the operating shaft 41 moves to the fixed side 16 and the ejection jig ( 42) grips the molded injection molding.

When the ejection jig 42 finishes the injection of the injection molding, the forward and backward cylinder 25 is operated to advance the working shaft 41 together with the support 24 to draw the injection molding from the fixed side 16 and to be taken out. The drive motor 22 operates in reverse to rotate the rotating shaft 23 to return the driving arm 25, the operating arms 26, 27, and the operating shaft 41 to their original states as shown in the imaginary line. Let's go.

In this state, the jig rotating cylinder 40 is operated to rotate the ejection jig 42 and the ejection product downward along with the operation shaft 41 to position the ejection product on a transfer conveyor (not shown). 42) releases the holding state and places the injection molding in the conveying conveyor.

When the injection is transferred, the jig rotating cylinder 40 is operated in reverse to return the working shaft 41 and the extraction jig 42 to their original state.

The rotary take-out robot 20 according to the present invention repeatedly performs the above-described process of taking out the injection and transporting it to a predetermined position.

후진거리조정볼트(36)(35)는 지지부(24)의 이동거리를 임의적으로 증감시켜 줄 수 있도록 하는데 이는 사출물의 크기 정도에 따라 최적의 거리만이 이동되어지도록 하기 위한 것이다.In particular, in the present invention, the shock absorber 32 is guided so that it can be accurately stopped while mitigating the impact when the support 24 is moved forward and backward, the front and rear side sensor 33, 34 is moved forward and backward It detects the condition and allows the setting to be stopped precisely.

The reverse distance adjusting bolts 36 and 35 can increase or decrease the moving distance of the support part 24 arbitrarily, so that only the optimum distance is moved according to the size of the injection molded product.

As described above, according to the present invention, by significantly reducing the number of parts can be made light and easy to manufacture and transport, the product can be miniaturized by reducing the radius of action and also reduces the volume, space narrow and low height It can be installed and used without any concern, and the operation principle is simplified to shorten the operation cycle time, thus improving the work efficiency, and the structure and operation principle are simple, so that there is no fear of failure or A / S. Can be.

Claims (4)

In the rotary take-out robot for ejecting the injection molded product, the rotary shaft support part configured to include a rotary shaft 23 driven by the driving motor 22, a support rod 21, and a ball bush inside thereof to rotatably support the rotary shaft ( 24), a drive unit consisting of a forward and backward cylinder 50 for advancing and revolving the rotary shaft support; A driving arm 25 coupled to the rotating shaft 23 and rotating together with the rotating shaft 23, a fixed arm 28 fixed to the support part 24, and a mandrel installed on the driving arm 25 and the fixed arm 28, respectively. An operating portion consisting of operating arms 26 and 27; The operation arm (26, 27) is mandrel coupled, the jig operation cylinder 40 is provided at one end, the rotary take-out robot, characterized in that consisting of a take-out portion provided with a take-out jig (42) at the other end. The rotary take-out robot according to claim 1, further comprising an origin sensor and a dog (37) at the upper end of the rotating shaft (23) to sense the rotation angle of the rotating shaft (23). The rotary take-out robot according to claim 1, wherein the support part (24) is equipped with a shock absorbing shock absorber (32). The rotating take-out robot according to claim 1, further comprising a forward distance adjusting bolt (36) and a backward distance adjusting bolt (35) to adjust the forward and backward distances of the support part (24) on the front and rear parts of the frame (43). .

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