Mechanical arm for automatic spraying

Abstract

The utility model provides a mechanical arm for automatic spraying, which relates to the technical field of mould demoulding and comprises a mechanical arm mechanism, the middle of the mechanical arm mechanism is fixedly connected with a spraying mechanism, the mechanical arm mechanism comprises an outer support frame, the top of the outer support frame is fixedly connected with two fixing plates, and the middle of each fixing plate is connected with a top rotating shaft in a penetrating manner. The mechanical arm comprises a top rotating shaft, one end of the top rotating shaft is movably connected with a motor body, the middle of the top rotating shaft is connected with a telescopic arm in a penetrating mode, the bottom of the telescopic arm is fixedly connected with a bottom motor, the middle of the bottom motor is connected with a bottom rotating shaft in a penetrating mode, and the ends of the bottom rotating shaft are fixedly connected with a main connecting cross rod and an auxiliary connecting cross rod respectively. And liquid outlet pipes are installed in the middles of the four rubber suction cups, after injection molding parts are taken out, a release agent can be automatically sprayed, the linkage performance of the spraying and part taking operation processes is higher, the time of part taking and spraying operation is shortened, and the part taking efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould stripping technical field especially relates to a kind of mechanical arm for automatic spraying. BACKGROUND

[0002] In the process of using mould, plastic is injected into mould, die casting is carried out under high temperature and high pressure, then mould is opened, and the injection molded part in the middle is taken out, so that the manufacturing process of mould is completed, in the process of using mould, the inner surface of mould will be adhered to material, resulting in that the quality of manufactured product is not high, which affects the efficiency and quality of mould processing and manufacturing.

[0003] In the process of processing plastic parts in mould, stripping agent is sprayed on the inner surface of mould when the injection molded part is taken out, which helps to improve the quality of processing and manufacturing, and the spraying of stripping agent is carried out when the injection molded part is taken out at present, the taking-out spraying process is not coherent enough, and multiple operation steps are required, which affects the efficiency of taking out injection molded part.

[0004] Therefore, the utility model provides a kind of mechanical arm for automatic spraying, which is simple and coherent in taking-out spraying operation, and has few operation steps, to solve the existing problems. INVENTION CONTENTS

[0005] To solve the above problems, the utility model provides a kind of mechanical arm for automatic spraying, to more accurately solve the above problems that the spraying of stripping agent is carried out when the injection molded part is taken out at present, the taking-out spraying process is not coherent enough, and multiple operation steps are required, which affects the efficiency of taking out injection molded part.

[0006] The utility model is realized by the following technical schemes:

[0007] The utility model provides a kind of mechanical arm for automatic spraying, including mechanical arm mechanism, the middle part of the mechanical arm mechanism is fixedly connected with spraying mechanism, the mechanical arm mechanism includes outer support frame, the top of the outer support frame is fixedly connected with two fixed plates, the middle part of the fixed plate is penetrated and is connected with top rotary shaft, one end of the top rotary shaft is movably connected with motor body, the middle part of the top rotary shaft is penetrated and is connected with telescopic arm, the bottom of the telescopic arm is fixedly connected with bottom motor, the middle part of the bottom motor is penetrated and is connected with bottom rotary shaft that the end part is fixedly connected with main connection cross bar and auxiliary connection cross bar respectively, the top of the main connection cross bar and auxiliary connection cross bar is fixedly connected with stripping agent tank, the bottom of the stripping agent tank is fixedly connected with liquid outlet pipe, the middle part of the liquid outlet pipe is fixedly connected with main air pipe and auxiliary air pipe that cross each other, the outside of the middle part of the liquid outlet pipe is fixedly connected with limit ring, the outer edge of the limit ring is fixedly connected with rubber tube, the bottom edge of the rubber tube is fixedly connected with bottom liquid spraying cover, the bottom of the liquid outlet pipe is sleeved with spring.

[0008] Further, the bottom circular face outer circle of the bottom spray cover is uniformly provided with liquid outlet holes, and the two ends of the main air pipe and the auxiliary air pipe are fixedly connected with control valves.

[0009] Further, the top of the liquid outlet pipe is fixedly connected with a main one-way valve, and the main one-way valve is located at the top of the intersection of the main fixed rod and the auxiliary fixed rod.

[0010] Further, the end of the main fixed rod and the auxiliary fixed rod is fixedly connected with an end pipe, and the bottom end of the end pipe is fixedly connected with a rubber suction cup.

[0011] Further, the middle of the main connecting cross rod and the auxiliary connecting cross rod is fixedly connected with a connecting plate, the bottom surface of the connecting plate is fixedly connected with a rectangular frame, and the four corners of the rectangular frame are fixedly connected with end pipes.

[0012] Further, the four corners of the rectangular frame are fixedly connected with the end of the main fixed rod and the auxiliary fixed rod, and the top surface of the main fixed rod and the auxiliary fixed rod is fixedly connected with the main air pipe and the auxiliary air pipe which cross each other.

[0013] Further, the bottom surface of the four corners of the rectangular frame is fixedly connected with a rubber suction cup, and the top surface of the main air pipe and the auxiliary air pipe is fixedly connected with the main connecting cross rod and the auxiliary connecting cross rod.

[0014] Further, the bottom end of the liquid outlet pipe is located in the rubber pipe and the inside of the bottom spray cover, and the spring is located in the bottom end of the liquid outlet pipe and the inside of the bottom spray cover.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model provides a mechanical arm for automatic spraying, through installing the liquid outlet pipe in the middle of four rubber suction cups, after taking out the injection molded part, the spraying of the release agent can be automatically carried out, the operation process of spraying and taking out is more high in linkage, the time of respective operation of taking out and spraying is reduced, and the efficiency of taking out is improved.

[0017] The utility model provides a mechanical arm for automatic spraying, through the pressure that rubber suction cup received in the taking out process of injection molded part is transmitted to the release agent, the release agent is sprayed, and the design reduces the waste of resources, and does not need to design the switch of the release agent, and operation is more convenient. ACCURATE DRAWING

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole explosion structure schematic diagram of the utility model;

[0020] Figure 3The spraying mechanism schematic view of the utility model is shown in the figure.

[0021] Figure 4 The spraying mechanism explosion schematic view of the utility model is shown in the figure.

[0022] The reference signs are as follows: 1, mechanical arm mechanism; 101, outer support frame; 102, fixed plate; 103, telescopic arm; 104, top rotating shaft; 105, motor body; 106, bottom motor; 107, bottom rotating shaft; 2, spraying mechanism; 201, release agent tank; 202, rectangular frame; 203, main connecting cross bar; 204, auxiliary connecting cross bar; 205, connecting plate; 206, liquid outlet pipe; 207, main fixed rod; 208, auxiliary fixed rod; 209, bottom liquid spraying cover; 210, rubber tube; 211, spring; 212, main air pipe; 213, auxiliary air pipe; 214, limiting ring; 215, control valve; 216, main one-way valve; 217, end pipe; 218, rubber suction cup. DETAILED DESCRIPTION

[0023] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model is further described below in combination with the drawings.

[0024] Please refer to Figures 1-4The utility model provides a kind of mechanical arm for automatic spraying, including mechanical arm mechanism 1, and the middle part of mechanical arm mechanism 1 is fixedly connected with spraying mechanism 2, and mechanical arm mechanism 1 includes outer support frame 101, and the top of outer support frame 101 is fixedly connected with two fixed plates 102, and fixed plate 102 is located at the both ends of top rotary shaft 104, and top rotary shaft 104 is fixed, and the middle part of fixed plate 102 is connected with top rotary shaft 104, and top rotary shaft 104 can rotate in the middle part of fixed plate 102, and one end of top rotary shaft 104 is movably connected with motor body 105, and the middle part of top rotary shaft 104 is connected with telescopic arm 103, and top rotary shaft 104 drives telescopic arm 103 to move left and right by rotation, and the bottom of telescopic arm 103 is fixedly connected with bottom motor 106, and the middle part of bottom motor 106 is connected with bottom rotary shaft 107, and bottom rotary shaft 107 is fixedly connected with main connecting cross bar 203 and auxiliary connecting cross bar 204 respectively, after taking piece, telescopic arm 103 is upwards, under the work of bottom motor 106, bottom rotary shaft 107 is rotated by 90 °, so that main connecting cross bar 203 and auxiliary connecting cross bar 204 are perpendicular to telescopic arm 103, and the top of main connecting cross bar 203 and auxiliary connecting cross bar 204 is fixedly connected with release agent tank 201, and the bottom of release agent tank 201 is fixedly connected with liquid outlet pipe 206, and release agent in release agent tank 201 is automatically entered into the inside of liquid outlet pipe 206 under internal air pressure, and the middle part of liquid outlet pipe 206 is fixedly connected with main air pipe 212 and auxiliary air pipe 213 that cross each other, and the pressure in the inside of main air pipe 212 and auxiliary air pipe 213 is transmitted to the inside of liquid outlet pipe 206, so that release agent in its inside is sprayed under air pressure, and the outside of the middle part of liquid outlet pipe 206 is fixedly connected with limit ring 214, and the outer edge of limit ring 214 is fixedly connected with rubber tube 210, and the bottom edge of rubber tube 210 is fixedly connected with bottom liquid spraying cover 209, and the bottom of liquid outlet pipe 206 is sleeved with spring 211, and liquid outlet pipe 206 is movably connected with bottom liquid spraying cover 209, when taking piece, bottom liquid spraying cover 209 is pressed with mould, so that the inside of bottom liquid spraying cover 209 is blocked to liquid outlet pipe 206, when taking piece and leaving, liquid outlet pipe 206 is separated from bottom liquid spraying cover 209 under the action of spring 211, at this time, release agent with high internal air pressure in liquid outlet pipe 206 is sprayed through bottom liquid spraying cover 209.

[0025] The bottom circular surface outer circle of the bottom spray cover 209 is uniformly provided with liquid outlet holes, which can spray the release agent under certain pressure. The liquid outlet holes of the bottom spray cover 209 are located at the outer circle after contacting with the liquid outlet pipe 206. Thus, the release agent cannot be sprayed after the liquid outlet pipe 206 is pressed with the bottom spray cover 209. The two ends of the main air pipe 212 and the auxiliary air pipe 213 are respectively fixedly connected with control valves 215. When the product is taken, the control valves 215 installed on the main air pipe 212 and the auxiliary air pipe 213 only allow the gas to enter the liquid outlet pipe 206. When the injection molded product needs to be put down, the control valves 215 are opened, and the main air pipe 212 and the auxiliary air pipe 213 are automatically depressurized.

[0026] The release agent tank 201 is connected with the liquid outlet pipe 206. The release agent in the release agent tank 201 is automatically pushed into the liquid outlet pipe 206 under the action of the gas pressure. The top of the liquid outlet pipe 206 is fixedly connected with a main one-way valve 216. The main one-way valve 216 is arranged to automatically supplement the release agent in the liquid outlet pipe 206. The main one-way valve 216 is located at the top of the intersection of the main air pipe 212 and the auxiliary air pipe 213.

[0027] During the product taking process, the spraying mechanism 2 moves to the left, so that the rubber suction cup 218 is tightly attached to the four corners of the injection molded product. The end portion of the main air pipe 212 and the auxiliary air pipe 213 is fixedly connected with an end pipe 217. The bottom end of the end pipe 217 is fixedly connected with the rubber suction cup 218. After the rubber suction cup 218 is tightly attached to the injection molded product, the gas pressure generated enters the liquid outlet pipe 206 through the main air pipe 212 and the auxiliary air pipe 213, thereby providing the pressure for spraying the release agent.

[0028] The main connecting cross rod 203 and the auxiliary connecting cross rod 204 are moved by 90° under the rotation of the bottom rotating shaft 107. The middle portion of the main connecting cross rod 203 and the auxiliary connecting cross rod 204 is fixedly connected with a connecting plate 205. The bottom surface of the connecting plate 205 is fixedly connected with a rectangular frame 202. The rectangular frame 202 is rotated by 90° at the same time when the bottom rotating shaft 107 is rotated by 90°. The four corners of the rectangular frame 202 are fixedly connected with the end pipe 217.

[0029] The end of the main connecting cross bar 203 and the auxiliary connecting cross bar 204 is connected with the main air pipe 212 and the auxiliary air pipe 213, the middle of the main connecting cross bar 203 and the auxiliary connecting cross bar 204 is connected with the rectangular frame 202, the end of the main fixed bar 207 and the auxiliary fixed bar 208 is fixedly connected with the four corners of the rectangular frame 202, the top surface of the main fixed bar 207 and the auxiliary fixed bar 208 is fixedly connected with the main air pipe 212 and the auxiliary air pipe 213 which cross each other, the main fixed bar 207 and the auxiliary fixed bar 208 support the main air pipe 212 and the auxiliary air pipe 213, the bottom surface of the four corners of the rectangular frame 202 is fixedly connected with the rubber suction cup 218, in the left moving of the spraying mechanism 2, the rubber suction cup 218 obtains the air pressure which is transmitted through the main air pipe 212 and the auxiliary air pipe 213, the top surface of the main air pipe 212 and the auxiliary air pipe 213 is fixedly connected with the main connecting cross bar 203 and the auxiliary connecting cross bar 204.

[0030] The bottom spraying liquid cover 209 in the middle of the rectangular frame 202 sprays liquid to the mold, under the condition of no pressure in the inside of the liquid outlet pipe 206, the releasing agent in the releasing agent tank 201 automatically enters the inside of the liquid outlet pipe 206, at this time, the releasing agent pressure in the inside of the liquid outlet pipe 206 is small and is not enough to make the releasing agent sprayed from the bottom spraying liquid cover 209, the bottom end of the liquid outlet pipe 206 is located in the inside of the rubber pipe 210 and the bottom spraying liquid cover 209, the spring 211 is located in the bottom end of the liquid outlet pipe 206 and the inside of the bottom spraying liquid cover 209, after the bottom spraying liquid cover 209 is pressed, it is pressed with the bottom end of the liquid outlet pipe 206, even if at this time, the inside of the liquid outlet pipe 206 has the pressure which is transported by the rubber suction cup 218, the releasing agent in the inside of the liquid outlet pipe 206 will not be sprayed, after the rubber suction cup 218 takes the piece, it leaves the mold, the liquid outlet pipe 206 and the bottom spraying liquid cover 209 are separated under the action of the spring 211, at this time, the pressure which is transported to the liquid outlet pipe 206 by the rubber suction cup 218 sprays the releasing agent in the inside of the liquid outlet pipe 206, and sprays the surface of the mold.

[0031] In the embodiment, the spraying mechanism 2 is moved to the top of the mold by the movement of the telescopic arm 103, then the telescopic arm 103 is elongated to reach the position of taking out the product, when the mold needs to be taken out, the telescopic arm 103 is moved to the left, so that the rubber suction cups 218 at the four corners of the rectangular frame 202 are in contact with the injection molded product, at this time, the air in the main air pipe 212 and the auxiliary air pipe 213 flows to the outlet pipe 206, the control valve 215 is installed in the middle of the main air pipe 212 and the auxiliary air pipe 213, so that the gas in the main air pipe 212 and the auxiliary air pipe 213 flows in a certain direction, when the rubber suction cup 218 is in contact with the injection molded product, the bottom end of the outlet pipe 206 is in close contact with the inside of the bottom spraying cover 209, so that even if there is gas in the outlet pipe 206, the release agent cannot be sprayed out due to the blockage of the bottom spraying cover 209, as the rubber suction cup 218 leaves the mold, the outlet pipe 206 is separated from the bottom spraying cover 209 under the action of the spring 211, so that the release agent in the outlet pipe 206 is sprayed out to spray the surface of the mold, when the rubber suction cup 218 sucks the plastic product to the placement position, at this time, the control valve 215 is opened, so that the plastic product can be placed down, the release agent in the release agent tank 201 is constantly transferred from the inside of the release agent tank 201 to the inside of the outlet pipe 206 due to the internal pressure, and then the release agent is discharged under the air pressure of the rubber suction cup 218.

[0032] Of course, the utility model also can have other various embodiments, based on the embodiment, the ordinary skilled in the art obtains other embodiments without any creative labor, which belongs to the range of the utility model.

Claims

1. A robot arm for automatic painting, comprising a robot arm mechanism, characterized in that: The middle part of the mechanical arm mechanism is fixedly connected with a spraying mechanism, the mechanical arm mechanism comprises an outer support frame, the top of the outer support frame is fixedly connected with two fixed plates, the middle part of the fixed plate is throughly connected with a top rotating shaft, one end of the top rotating shaft is movably connected with a motor body, the middle part of the top rotating shaft is throughly connected with a telescopic arm, the bottom of the telescopic arm is fixedly connected with a bottom motor, the middle part of the bottom motor is throughly connected with a bottom rotating shaft, the bottom of which is fixedly connected with a main connecting cross bar and a vice connecting cross bar, the top of the main connecting cross bar and the vice connecting cross bar is fixedly connected with a release agent tank, the bottom of the release agent tank is fixedly connected with a liquid outlet pipe, the middle part of the liquid outlet pipe is fixedly connected with a main air pipe and a vice air pipe which are mutually crossed, the outer side surface of the middle part of the liquid outlet pipe is fixedly connected with a limiting ring, the outer edge of the limiting ring is fixedly connected with a rubber pipe, the bottom edge of the rubber pipe is fixedly connected with a bottom liquid spraying cover, and the bottom of the liquid outlet pipe is sleeved with a spring.

2. A robot arm for automatic painting according to claim 1, characterized in that, The bottom circular surface of the bottom liquid spraying cover is uniformly provided with liquid outlet holes, and the two ends of the main air pipe and the vice air pipe are fixedly connected with control valves.

3. The robotic arm for automatic painting according to claim 1, wherein, The top of the liquid outlet pipe is fixedly connected with a main one-way valve, which is located at the top of the intersection of the main fixed rod and the vice fixed rod.

4. A robot arm for automatic painting according to claim 3, characterized in that, The end part of the main fixed rod and the vice fixed rod is fixedly connected with an end pipe, and the bottom end of the end pipe is fixedly connected with a rubber suction cup.

5. The robotic arm for automatic painting according to claim 1, characterized in that, The middle part of the main connecting cross bar and the vice connecting cross bar is fixedly connected with a connecting plate, the bottom surface of the connecting plate is fixedly connected with a rectangular frame, and the four corners of the rectangular frame are fixedly connected with end pipes.

6. A robot arm for automatic painting according to claim 3, characterized in that, The four corners of the rectangular frame are fixedly connected with the end part of the main fixed rod and the vice fixed rod, and the top surface of the main fixed rod and the vice fixed rod is fixedly connected with the main air pipe and the vice air pipe which are mutually crossed.

7. A robot arm for automatic painting according to claim 6, characterized in that The bottom surface of the four corners of the rectangular frame is fixedly connected with a rubber suction cup, and the top surface of the main air pipe and the vice air pipe is fixedly connected with the main connecting cross bar and the vice connecting cross bar.

8. The robotic arm for automatic painting according to claim 1, characterized in that, The bottom end of the liquid outlet pipe is located in the interior of the rubber pipe and the bottom liquid spraying cover, and the spring is located in the interior of the bottom end of the liquid outlet pipe and the bottom liquid spraying cover.

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