Material receiving manipulator for injection molding machine

Abstract

The utility model discloses a material receiving manipulator for an injection molding machine, which comprises a material receiving hopper, the material receiving hopper is driven by a three-axis manipulator to move along X-axis, Y-axis and Z-axis directions, the material receiving hopper comprises a back plate and a pair of side plates, the back plate is mounted on the three-axis manipulator, the side plates are arranged on two sides of the back plate, and a material receiving channel is formed between the side plates. The material receiving channel is used for receiving finished product plastic parts output by the injection molding machine, a material receiving mechanism is arranged in the material receiving channel, and the material receiving channel is controlled to be opened and closed through the material receiving mechanism so that the material receiving channel can receive or throw the finished product plastic parts, and an air blowing mechanism is arranged at the position, below the material receiving mechanism, of the surface of the material receiving hopper. And the finished plastic parts which are adhered to the material receiving mechanism due to static electricity are blown out of the material receiving channel through the air blowing mechanism. The finished product plastic part receiving and putting device realizes receiving and putting of finished product plastic parts, and can automatically put the finished product plastic parts into corresponding receiving frames according to different finished product plastic parts, so that the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, and particularly relates to a material receiving manipulator for an injection molding machine. Background Art

[0002] An injection molding machine is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies. When the existing injection molding machine opens the mold, it usually uses the clamping mechanism of the manipulator to first clamp the molded product in advance, and then the product is ejected by the ejector mechanism inside the injection molding machine. For different products, different clamping mechanisms often need to be set. Such an unloading method has poor versatility, resulting in low work efficiency and increased production costs for enterprises. Summary of the Utility Model

[0003] The technical problem to be solved by the embodiments of the utility model is to provide a material receiving manipulator for an injection molding machine, which can automatically receive and place the finished plastic parts, and can automatically place them into the corresponding material receiving frames according to different finished plastic parts, greatly improving the production efficiency.

[0004] To achieve the above object, the utility model discloses a material receiving manipulator for an injection molding machine, a material receiving hopper, which is driven by a three-axis manipulator to move the material receiving hopper along the X, Y, and Z axes;

[0005] The material receiving hopper includes a back plate and side plates. The back plate is installed on the three-axis manipulator. The side plates are a pair and are arranged on both sides of the back plate, forming a material receiving channel between the side plates for receiving the finished plastic parts output by the injection molding machine. A material receiving mechanism is arranged in the material receiving channel, and the opening and closing of the material receiving channel are controlled through the material receiving mechanism, so that the material receiving channel can receive or place the finished plastic parts;

[0006] A blowing mechanism is arranged on the surface of the material receiving hopper below the material receiving mechanism, and the finished plastic parts adhered to the material receiving mechanism due to static electricity are blown out of the material receiving channel through the blowing mechanism.

[0007] Furthermore, the material receiving mechanism includes a flipping flap, which is rotatably arranged in the material receiving channel and is driven by a rotation driving device to rotate the flipping flap for controlling the opening and closing of the material receiving channel.

[0008] Furthermore, the blowing mechanism includes a plurality of air holes, which are arranged at intervals along the width direction on the back plate, and the plurality of air holes are connected to an air source.

[0009] Furthermore, a positioning block is fixedly arranged on the flipping flap extending outward adjacent to the rotating shaft of the side plate, and a positioning detection module is arranged on the side plate for detecting the rotation angle of the flipping flap.

[0010] Furthermore, the flip paddle is in a straight line structure.

[0011] Furthermore, the angle between the center line of the positioning block and the front upper surface of the flip paddle is 50°-70°.

[0012] Furthermore, a partition plate is fixedly provided on the surface of the back plate between the side plates, so that two material receiving channels are formed between the partition plate and the side plates.

[0013] Furthermore, there are recesses on both sides of the flip paddle, a fixing block is fixedly provided on the recess, and the rotating shaft is provided in the middle of the fixing block.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] (1) The utility model is capable of receiving and delivering finished plastic parts of different products by setting a receiving mechanism in the receiving channel, which greatly improves production efficiency and has high versatility. In addition, the dual-channel design greatly increases the temporary storage capacity of the receiving hopper. (2) The robot can automatically deliver different finished plastic parts into the corresponding receiving frame according to different finished plastic parts. It is suitable for injection molding machines with multi-cavity molds and different types of finished plastic parts in multi-cavity molds, and has wider applicability. (3) The utility model uses a servo to replace the traditional motor, which is not only smaller in size, lighter in weight and lower in cost, but also has better control accuracy and load capacity than traditional motors. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the rear side of the overall structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of the flip paddle;

[0019] Figure 4 Schematic diagram of the overall structure of the blowing mechanism. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings.

[0021] Reference Figure 1 、 Figure 2As shown, a material receiving robot for an injection molding machine includes a material receiving hopper 1. In this embodiment, a three-axis robot is provided on the injection molding machine, and a robot arm 2 is fixedly mounted on the three-axis robot. The material receiving hopper 1 is mounted on the robot arm 2, so that the three-axis robot drives the material receiving hopper 1 to move along the X, Y, and Z axis directions for receiving finished plastic parts on the injection molding machine.

[0022] Reference Figure 1 As shown, the receiving hopper 1 includes a back plate 11 and a side plate 12. The back plate 11 is installed on the robot arm 2 of the three-axis manipulator. In this embodiment, the side plates 12 are a pair and are arranged on both sides of the back plate 11, so that a receiving channel 13 is formed between the side plates 12, and a receiving mechanism 3 is provided in the receiving channel 13. The opening and closing of the receiving channel 13 is controlled by the receiving mechanism 3, so that the finished plastic parts output by the injection molding machine can be received or put into the receiving channel 13.

[0023] In another embodiment, the back plate is hinged to the robot arm 2, and a driving cylinder is provided in the robot arm 2, the telescopic end of which is fixedly connected to the back plate 11, and the hopper 1 is driven to flip by the driving cylinder.

[0024] Preferably, in this embodiment, a partition plate 14 is fixedly provided on the surface of the back plate 11 between the side plates 12, so that two material receiving channels 13 are formed between the partition plate 14 and the side plates 12, thereby realizing dual-channel material receiving and greatly improving production efficiency.

[0025] In this embodiment, the middle and lower parts of each material receiving channel 13 can be respectively provided with a material receiving mechanism 3, and each material receiving mechanism 3 can be used individually to receive finished plastic parts, thereby greatly increasing the temporary storage capacity of the material receiving channel 13. It is suitable for injection molding machines with multi-cavity molds and different types of finished plastic parts in multi-cavity molds, and has wider applicability.

[0026] Reference Figures 1-3 As shown, further, the material receiving mechanism 3 includes a flip paddle 31 and a rotation drive device 32. The flip paddle 31 is a straight-line structure, and a rotating shaft 311 is respectively provided on both sides of the flip paddle 31, and the rotating shaft 311 is rotatably connected to the side plate 12 through bearings 312. When there are two material receiving channels 13, one of the rotating shafts 311 is rotatably connected to the partition plate 14 through bearings 312. The rotating shaft 311 of the flip paddle 31 adjacent to the side plate 12 extends outward, and the rotation drive device 32 is fixedly installed on the back plate 11 of the material receiving hopper 1. In this embodiment, the rotation drive device 32 preferably adopts a servo, and a main synchronous pulley is fixedly installed on its output shaft, and a secondary synchronous pulley is fixedly installed on the rotating shaft 311 extending from the flip paddle 31. The main synchronous pulley and the secondary synchronous pulley are connected by a synchronous belt transmission, so as to drive the flip paddle 31 to rotate through the rotation drive device 32 to control the opening and closing of the material receiving channel 13.

[0027] In order to improve the rotation accuracy of the flipping paddle, a positioning block 33 is fixedly arranged on the rotating shaft 311 extending on the rotating paddle 31, and a positioning detection module 5 is arranged on the side plate 12, so that the positioning detection module 5 detects the rotation angle of the flipping paddle 31 through the positioning block 33. In this embodiment, the positioning detection module 5 preferably adopts a groove type photoelectric sensor. When the rotation driving device 32 drives the flipping paddle 31 to rotate, the rotation driving device 32 stops when the positioning detection module 5 detects the positioning block 33, so as to ensure that the flipping paddle 31 receives materials more stably.

[0028] Referring to Figure 1 As shown, further, the included angle between the center line of the positioning block 33 and the upper surface of the front end of the flipping paddle 31 is 50° - 70°. In this embodiment, the included angle between the two is preferably 60°, so as to ensure that when the flipping paddle 31 receives the finished plastic part, the finished plastic part slides towards the back plate 11 under the inclination of the flipping paddle 31, avoiding the finished plastic part sliding out of the material receiving channel 13 from the flipping paddle 31 when the material receiving hopper 1 leaves the injection molding machine.

[0029] It should be further noted that in this embodiment, a servo motor is used to replace the traditional motor, which not only has a smaller volume, lighter weight, and lower cost, but also has better control accuracy and load capacity compared with the traditional motor.

[0030] Referring to Figure 3 As shown, more preferably, in this embodiment, both sides of the flipping paddle 31 have recesses 313, and fixing blocks 34 are fixedly arranged on the recesses 313. The rotating shaft 311 is arranged in the middle of the fixing blocks 34. When the flipping paddle 31 is damaged, the fixing blocks 34 can be disassembled to replace the new flipping paddle 31. Or when the rotating shaft 311 is damaged, the fixing blocks 34 are removed from the flipping paddle 31 to replace the new rotating shaft 311, so that it is not necessary to replace the entire flipping paddle, greatly reducing the maintenance cost.

[0031] Referring to Figure 2 、 Figure 4 As shown, furthermore, a blowing mechanism 4 is arranged on the surface of the material receiving hopper 1 below the material receiving mechanism 3. The blowing mechanism 4 includes a plurality of air holes 41. The plurality of air holes 41 are arranged at intervals along the width direction on the back plate 11, and a trachea joint 42 is fixedly arranged on the back plate 11 at the air holes 41, so that the air holes 41 are connected to a gas source through the trachea joint 42. By opening the gas source, the gas source blows out from the air holes 41 to blow out the finished plastic parts adhering to the flipping paddle 31 of the material receiving mechanism 3 due to static electricity from the material receiving channel 13, avoiding the finished plastic parts staying in the material receiving hopper 1 and making it easy for the finished plastic parts to be mixed with other finished plastic parts, thus ensuring the stability of the material receiving of the material receiving hopper.

[0032] Referring to Figures 1-3 As shown, the specific working process is as follows:

[0033] The three-axis manipulator drives the material receiving hopper 1 into the injection molding machine, and presses the side plate 12 of the material receiving hopper 1 against the mold of the injection molding machine, so that when the mold demolds, the finished plastic part falls into the material receiving channel 13, and the finished plastic part corresponding to the mold cavity is received by the flipping flap 31. After the mold is demolded, the three-axis manipulator drives the material receiving hopper 1 away from the injection molding machine, and moves the material receiving hopper 1 above the corresponding material receiving frame. The flipping flap 31 is driven by the rotation drive device 32 to rotate and open the material receiving channel 13, so that the finished plastic part on the flipping flap 31 falls into the corresponding material receiving frame from the material receiving channel 13 under the action of its own weight.

[0034] Specifically, in this embodiment, a dual-channel combined with four material receiving mechanisms is adopted. For example, the first material receiving channel 13 is arranged in the middle material receiving mechanism 3 as the first material receiving position, the second material receiving channel 13 is arranged in the middle material receiving mechanism 3 as the second material receiving position, the first material receiving channel 13 is arranged in the lower material receiving mechanism 3 as the third material receiving position, and the second material receiving channel 13 is arranged in the lower material receiving mechanism 3 as the fourth material receiving position. During material receiving, the four material receiving mechanisms 3 separately receive the finished plastic parts in different cavities on the mold. Then, the three-axis manipulator drives the material receiving hopper 1 to move to the corresponding material receiving frame. For example, the No. 1 material receiving frame is used to receive the finished plastic parts in the first material receiving position and the second material receiving position, and the No. 2 material receiving frame is used to receive the finished plastic parts in the third material receiving position and the fourth material receiving position.

[0035] Therefore, the three-axis manipulator first moves the material receiving hopper 1 to the No. 2 material receiving frame. Then, the rotation drive devices 32 in the third material receiving position and the fourth material receiving position respectively drive the flipping flap 31 to rotate and put the finished plastic parts into the No. 2 material receiving frame. Finally, the three-axis manipulator moves the material receiving hopper 1 to the No. 1 material receiving frame. Then, the rotation drive devices 32 in the first material receiving position and the second material receiving position respectively drive the flipping flap 31 to rotate and put the finished plastic parts into the No. 1 material receiving frame.

[0036] Through the above settings, the material receiving hopper can automatically receive and place the finished plastic parts, and can automatically place them into the corresponding material receiving frames according to different finished plastic parts, greatly improving the production efficiency.

[0037] Of course, the above embodiments are only used to illustrate the technical concept and characteristics of the present invention. The purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly. It cannot be used to limit the protection scope of the present invention. All modifications made according to the spirit of the main technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A material receiving manipulator for an injection molding machine, characterized in that, It includes a material receiving hopper (1), and the material receiving hopper (1) is driven by a three-axis manipulator to move in the X, Y, and Z axis directions. The material receiving hopper (1) includes a back plate (11) and side plates (12). The back plate (11) is installed on the three-axis manipulator. The side plates (12) are a pair and are arranged on both sides of the back plate (11), so that a material receiving channel (13) is formed between the side plates (12) for receiving the finished plastic parts output by the injection molding machine. A material receiving mechanism (3) is arranged in the material receiving channel (13), and the opening and closing of the material receiving channel (13) is controlled by the material receiving mechanism (3) so that the material receiving channel (13) can receive or release the finished plastic parts. A blowing mechanism (4) is arranged on the surface of the material receiving hopper (1) below the material receiving mechanism (3). The finished plastic parts adhered to the material receiving mechanism (3) due to static electricity are blown out of the material receiving channel (13) by the blowing mechanism (4).

2. The material receiving manipulator for an injection molding machine according to claim 1, characterized in that, The material receiving mechanism (3) includes a flipping flap (31). The flipping flap (31) is rotatably arranged in the material receiving channel (13), and the flipping flap (31) is driven to rotate by a rotation driving device (32) for controlling the opening and closing of the material receiving channel (13).

3. The material receiving manipulator for an injection molding machine according to claim 1, wherein, The blowing mechanism (4) includes a plurality of air holes (41). The plurality of air holes (41) are arranged at intervals in the width direction on the back plate (11), and the plurality of air holes (41) are connected to an air source.

4. The feeding manipulator for an injection molding machine according to claim 2, wherein, A positioning block (33) is fixedly arranged by extending outward from the rotating shaft (311) of the flipping flap (31) adjacent to the side plate (12). A positioning detection module (5) is arranged on the side plate (12) for detecting the rotation angle of the flipping flap (31).

5. The material receiving manipulator for an injection molding machine according to claim 2, wherein, The flipping flap (31) has an I-shaped structure.

6. The feeding manipulator for an injection molding machine according to claim 4, characterized in that, The included angle between the center line of the positioning block (33) and the front upper surface of the flipping flap (31) is 50° - 70°.

7. A material receiving manipulator for an injection molding machine according to claim 1, characterized in that, A partition plate (14) is fixedly arranged on the surface of the back plate (11) between the side plates (12), so that two material receiving channels (13) are formed between the partition plate (14) and the side plates (12).

8. The feeding manipulator for an injection molding machine according to claim 4, characterized in that, Both sides of the flipping flap (31) have recesses (313), and fixing blocks (34) are fixedly arranged on the recesses (313). The rotating shaft (311) is arranged in the middle of the fixing blocks (34).

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