Automatic rotating shaft feeding device

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The automatic shaft feeding device enables the automatic insertion of the shaft into the mold, solving the problems of low efficiency and safety hazards caused by manual operation, and improving injection molding efficiency and safety.

CN223982106UActive Publication Date: 2026-03-10JIANGSU HAOPAI AUTOMOBILE TECH CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2025-03-06
Publication Date: 2026-03-10

AI Technical Summary

Technical Problem

In existing technologies, the insertion of the rotating shaft into the mold is mainly done manually, which results in low injection molding efficiency, high labor intensity, and safety hazards.

Method used

An automatic rotary feeding device is adopted, which includes a three-axis moving device, a rotary feeding device, a feeding plate and a gripping and unloading device. Through an automated process, the rotary feeder is sent out, gripped and inserted into the mold to achieve automatic feeding.

Benefits of technology

It improves injection molding efficiency, reduces the labor intensity of operators, eliminates the risk of burns, and improves safety.

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Abstract

The utility model relates to an automatic rotating shaft feeding device which comprises a three-axis moving device arranged on an injection molding machine, and further comprises a rotating shaft sending-out device arranged on one side of the injection molding machine and used for sending out rotating shafts in sequence; the feeding base plate is arranged on the three-axis moving device; the grabbing and discharging device is arranged on the feeding base plate; the three-axis moving device is used for driving the material grabbing and placing device to move between the rotating shaft sending-out device and the mold so that the material grabbing and placing device can grab the rotating shaft on the rotating shaft sending-out device and insert the rotating shaft into the mold. According to the device, rotating shafts are sequentially sent out through the rotating shaft sending-out device, then the rotating shafts are grabbed through the grabbing and placing device, then the three-axis moving device drives the grabbing and placing device to insert the rotating shafts into a mold and release the rotating shafts, the rotating shafts can be installed after a vehicle cushion is taken out, the overall waiting time is short, and the risk of scalding does not exist; the injection molding efficiency can be effectively improved, the labor intensity of operators is reduced, and the safety is improved.

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Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic injection molding device of the seat cushion of electric bicycle, especially a rotating shaft automatic feeding device. BACKGROUND

[0002] The seat cushion seat of electric bicycle is connected with the seat through the rotating shaft, in order to facilitate assembly, the rotating shaft is usually fixed on the seat cushion seat directly, and the seat cushion seat is an injection molding part, therefore, the rotating shaft needs to be embedded in the mold and integrated with the seat cushion seat. At present, the rotating shaft is mainly put into the mold in a manual mode, that is, the operator places the rotating shaft into the corresponding cavity of the mold under the mold opening state, and then the mold is closed for injection molding. This mode needs to wait for a while after the mold is opened before operation, because the temperature is high when the mold is just opened, which is easy to scald, which leads to low overall injection molding efficiency, high labor intensity of the operator and safety hazards. SUMMARY

[0003] To solve the above problems, the utility model provides a rotating shaft automatic feeding device, and the specific technical scheme is as follows:

[0004] A rotating shaft automatic feeding device, comprising a three-axis moving device arranged on an injection molding machine, further comprising: a rotating shaft feeding device arranged on one side of the injection molding machine and used for feeding rotating shafts in sequence; a feeding base plate arranged on the three-axis moving device; and a grabbing and feeding device arranged on the feeding base plate; wherein the three-axis moving device is used for driving the grabbing and feeding device to move between the rotating shaft feeding device and a mold so that the grabbing and feeding device grabs the rotating shaft on the rotating shaft feeding device and inserts the rotating shaft into the mold.

[0005] Preferably, the rotating shaft feeding device comprises a disc vibration feeder provided with a first feeding arm and a first feeding groove arranged on the first feeding arm; a vibrator arranged on one side of the disc vibration feeder; and a first feeding guide arranged on the vibrator and provided with a second feeding groove communicated with the first feeding groove and a second feeding groove communicated with the second feeding groove.

[0006] Preferably, the rotating shaft feeding device further comprises a first blocking plate arranged at one end of the second feeding groove.

[0007] Further, the rotating shaft feeding device further comprises a first sensor arranged on the first blocking plate and arranged opposite to the second feeding groove, used for detecting the rotating shaft in the second feeding groove.

[0008] Preferably, the device further comprises a turnover device arranged on the Z-axis of the three-axis moving device and connected with the feeding base plate, so that the feeding base plate drives the grabbing and placing device to turn from a vertical state to a horizontal state.

[0009] Further, the turnover device comprises a turnover cylinder arranged on the Z-axis and connected with the feeding base plate.

[0010] Preferably, the grabbing and placing device comprises a grabbing and placing cylinder arranged on the feeding base plate, a grabbing and placing seat arranged on the grabbing and placing cylinder and matched with a first grabbing and placing groove, and an electromagnet arranged on the grabbing and placing seat and opposite to the first grabbing and placing groove, for adsorbing the shaft in the first grabbing and placing groove.

[0011] Further, the grabbing and placing seat comprises a grabbing and placing base arranged on the grabbing and placing cylinder, and a grabbing and placing table arranged on the grabbing and placing base and having the first grabbing and placing groove on the top and the first mounting groove for fixing the electromagnet on the bottom.

[0012] Further, the grabbing and placing base is provided with a first positioning groove matched with the sliding table of the grabbing and placing cylinder.

[0013] Further, the grabbing and placing table is provided with a first heat dissipation groove communicated with the first mounting groove on both sides.

[0014] Compared with the prior art, the device has the following beneficial effects:

[0015] The automatic shaft feeding device provided by the device can sequentially feed the shaft through the shaft feeding device, then grab the shaft through the grabbing and placing device, and then insert the shaft into the mold through the three-axis moving device and release the shaft, so that the shaft can be inserted after the seat cushion is taken out, the overall waiting time is short, the risk of scalding is eliminated, the efficiency of injection molding is effectively improved, the labor intensity of the operator is reduced, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the device installed on an injection molding machine;

[0017] Figure 2 is a structural schematic view of the device;

[0018] Figure 3 is a structural schematic view of the shaft feeding device;

[0019] Figure 4 is an assembly schematic view of the turnover device, the feeding base plate and the grabbing and placing device;

[0020] Figure 5 is the structural schematic view of the grabbing and placing device;

[0021] Figure 6 is the structural schematic view of the grabbing and placing seat. DETAILED DESCRIPTION

[0022] The utility model will be further described with reference to the drawings.

[0023] As Figures 1 to 6 shown, a rotating shaft automatic feeding device, including three-axis moving device 3, rotating shaft sending device 41, feeding base plate 43 and grabbing and placing device 44.Three-axis moving device 3 is installed on injection molding machine, and is located at the side of static mold, three-axis moving device 3 is used to realize the movement of X axis 31, Y axis 32 and Z axis 33, and the bottom of Z axis 33 is connected with feeding base plate 43, and grabbing and placing device 44 is installed on feeding base plate 43;Rotating shaft sending device 41 is located at the side of injection molding machine, and rotating shaft sending device 41 is used to send rotating shaft 91 in turn;Three-axis moving device 3 is used to drive grabbing and placing device 44 to move between rotating shaft sending device 41 and mold to make grabbing and placing device 44 grab rotating shaft 91 on rotating shaft sending device 41 and insert rotating shaft 91 into mold.

[0024] Three-axis moving device 3 makes grabbing and placing device 44 realize the switching of feeding station and feeding station, and grabbing and placing device 44 realizes the grabbing of rotating shaft 91 and the installation to mold, and the automatic feeding of rotating shaft 91 is realized as a whole, and manual feeding is not needed, which can improve the efficiency of feeding, reduce labor intensity, and provide guarantee for the realization of automatic injection molding function.

[0025] Three-axis moving device 3 is the existing mature product, and detailed description is not made here.

[0026] The rotating shaft feeding device 41 comprises a disc vibrating feeder 411, a vibrator 412 and a first feeding guide 413. The disc vibrating feeder 411 is provided with a first feeding arm 4111, and a first feeding groove 4112 is arranged on the first feeding arm 4111, and the first feeding groove 4112 is used for feeding the rotating shaft 91 in sequence. The vibrator 412 is located on one side of the disc vibrating feeder 411, and the first feeding guide 413 is arranged on the top of the vibrator 412. One end of the first feeding guide 413 is located at one end of the first feeding arm 4111, and a second feeding groove 4131 is arranged on the top of the first feeding guide 413 along the length direction. The second feeding groove 4131 is coaxially arranged with the first feeding groove 4112 and is in communication with the first feeding groove 4112. The first feeding guide 413 is further provided with a second feeding groove 4132 at the discharging end, the second feeding groove 4132 is in communication with the second feeding groove 4131, and the width of the second feeding groove 4132 is smaller than the length of the rotating shaft 91. The disc vibrating feeder 411 is a mature product, and will not be described in detail here. When the rotating shaft 91 is fed, the rotating shaft 91 is first arranged in sequence by the disc vibrating feeder 411, then fed out through the first feeding groove 4112, then moved in the second feeding groove 4131 to the end of the second feeding groove 4131 by the vibrator 412, and located in the second feeding groove 4132.

[0027] In order to facilitate the processing of the second feeding groove 4131, the rotating shaft feeding device 41 further comprises a first blocking plate 415, which is fixed on the end of the second feeding groove 4131 by screws and is used for blocking the rotating shaft 91 so that the rotating shaft 91 is located in the second feeding groove 4131.

[0028] In order to avoid continuous work of the disc vibrating feeder 411 and the vibrator 412 and reduce energy consumption, the rotating shaft feeding device 41 further comprises a first sensor 416, which is installed on the first blocking plate 415 and is arranged opposite to the second feeding groove 4131. The first sensor 416 can be an optical sensor. The first sensor 416 is used for detecting the rotating shaft 91 in the second feeding groove 4131. When the rotating shaft 91 is detected, a signal is sent to stop the disc vibrating feeder 411 and the vibrator 412. When the rotating shaft 91 is not detected, the disc vibrating feeder 411 and the vibrator 412 are started to make the rotating shaft 91 enter the second feeding groove 4132.

[0029] In order to facilitate the grabbing and placing device 44 to grab the shaft 91 from the second feeding groove 4131, a turnover device 42 is further included, which is arranged on the Z-axis 33 of the three-axis moving device 3 and connected with the feeding base plate 43, so that the feeding base plate 43 drives the grabbing and placing device 44 to turn over from the vertical state to the horizontal state. Specifically, the turnover device 42 includes a turnover cylinder, also known as a 90-degree rack side posture cylinder, which is used to turn over the workpiece by 90 degrees. The turnover cylinder is fixed at the bottom of the Z-axis 33 of the three-axis moving device 3, and the rotating table of the turnover cylinder is connected with the feeding base plate 43. The rotating angle of the turnover cylinder is 90 degrees. When the turnover cylinder is in the initial position, the feeding base plate 43 is in the vertical state, and the feeding base plate 43 is arranged opposite to the mold, which can insert the shaft 91 into the cavity of the mold. When the turnover cylinder is turned by 90 degrees, the feeding base plate 43 is in the horizontal state, the grabbing and placing device 44 is above the second feeding groove 4131 and is arranged opposite to the second feeding groove 4132, so as to grab the shaft 91 from the second feeding groove 4132, avoiding the interference between the grabbing and placing device 44 and the first feeding guide rail 413 when the feeding base plate 43 is in the vertical state, and improving the stability and reliability of feeding.

[0030] The grabbing and placing device 44 comprises a grabbing and placing cylinder 441, a grabbing and placing base 442 and an electromagnet 443. The grabbing and placing cylinder 441 is a double-shaft cylinder and can realize high-precision feeding. The grabbing and placing cylinder 441 is fixed on the feeding base plate 43. The grabbing and placing fixing plate of the grabbing and placing cylinder 441 is connected with the grabbing and placing base 442. The top of the grabbing and placing base 442 is provided with a first grabbing and placing groove 4421 which is matched with the rotating shaft 91. The first grabbing and placing groove 4421 is a semicircular groove and is provided with a rounded corner at the top, so as to facilitate the insertion of the rotating shaft 91 into the first grabbing and placing groove 4421. The electromagnet 443 is installed inside the grabbing and placing base 442 and is located below the first grabbing and placing groove 4421, and is used to adsorb the rotating shaft 91 in the first grabbing and placing groove 4421 by magnetic force. The grabbing and placing base 442 is made of engineering plastic and does not affect the work of the electromagnet 443. In order to facilitate the processing of the grabbing and placing base 442, the grabbing and placing base 442 comprises a grabbing and placing base 4422 and a grabbing and placing table 4423. One end of the grabbing and placing base 4422 is installed on the grabbing and placing fixing plate of the grabbing and placing cylinder 441. The other end of the grabbing and placing base 4422 is connected with the bottom of the grabbing and placing table 4423. The bottom of the grabbing and placing table 4423 is provided with a first mounting groove 4424. The top of the grabbing and placing table 4423 is provided with the first grabbing and placing groove 4421, and the first grabbing and placing groove 4421 is located directly above the first mounting groove 4424. The electromagnet 443 is installed in the first mounting groove 4424. The grabbing and placing table 4423 facilitates the processing of the first mounting groove 4424 and the fixing of the electromagnet 443. In order to facilitate the heat dissipation of the electromagnet 443, two first heat dissipation grooves 4425 are symmetrically arranged on the top of the grabbing and placing table 4423. The first heat dissipation grooves 4425 are communicated with the first mounting groove 4424. The two sides of the electromagnet 443 can be located outside the first mounting groove 4424 and directly contact with the external environment, so as to effectively dissipate heat. In order to facilitate the positioning of the grabbing and placing base 4422, one end of the grabbing and placing base 4422 is provided with a first positioning groove 4426 which is matched with the grabbing and placing fixing plate. The first positioning groove 4426 is inserted into the grabbing and placing fixing plate to realize accurate positioning and facilitate installation.

[0031] When the rotating shaft 91 is fed, the disc vibration feeder 411 first feeds the rotating shaft 91 into the second feeding groove 4131 of the first feeding guide 413 in sequence, the vibrator 412 makes the rotating shaft 91 enter the second feeding groove 4132, the three-axis moving device 3 moves the grabbing and placing cylinder 441 above the first feeding guide 413, then the turnover cylinder drives the feeding base plate 43 to turn from the vertical state to the horizontal state, the grabbing and placing cylinder 441 changes from the horizontal state to the vertical state, and the grabbing and placing table 4423 is located above the first feeding guide 413, then the three-axis moving device 3 aligns the first grabbing and placing groove 4421 with the rotating shaft 91 in the second feeding groove 4131, and then drives the grabbing and placing table 4423 to descend above the rotating shaft 91, so that the rotating shaft 91 enters the first grabbing and placing groove 4421, then the electromagnet 443 is started, the electromagnet 443 attracts the rotating shaft 91 in the first grabbing and placing groove 4421 by magnetic force, then the three-axis moving device 3 drives the feeding base plate 43 to move upward to the turnover height and starts the turnover cylinder to restore the feeding base plate 43 from the horizontal state to the vertical state, the grabbing and placing cylinder 441 turns to the horizontal state, the three-axis moving device 3 moves the grabbing and placing cylinder 441 to one side of the mold cavity, and aligns the rotating shaft 91 with the first insert groove in the cavity, then the three-axis moving device 3 drives the rotating shaft 91 to move into the first insert groove, then the electromagnet 443 is closed, and the rotating shaft 91 is attracted in the first insert groove under the action of the magnet in the first insert groove, completing the installation of the rotating shaft 91, then the three-axis moving device 3 drives the feeding base plate 43 and the grabbing and placing cylinder 441 to move above the first feeding guide 413 to continue grabbing, preparing for the installation of the next rotating shaft 91, and the rotating shaft 91 can be installed after the cushion seat is taken out, shortening the waiting time and providing the overall efficiency of injection molding.

[0032] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application, and cannot be interpreted in any way as limiting the scope of protection of the present application. Based on the explanations herein, those skilled in the art can conceive other specific embodiments of the present application without creative labor, and these embodiments will fall within the scope of protection of the claims of the present application.

Claims

1. A rotating shaft automatic feeding device, comprising a three-axis moving device (3) arranged on an injection molding machine, characterized in that, Also include: The rotating shaft delivery device (41) is arranged on one side of the injection molding machine, and is used for sequentially delivering rotating shafts (91); The feeding base plate (43) is arranged on the three-axis moving device (3); and The grabbing and placing device (44) is arranged on the feeding base plate (43); The three-axis moving device (3) is used for driving the grabbing and placing device (44) to move between the rotating shaft delivery device (41) and the mold so that the grabbing and placing device (44) grabs the rotating shaft (91) on the rotating shaft delivery device (41) and inserts the rotating shaft (91) into the mold.

2. The automatic shaft feeding device according to claim 1, wherein The rotating shaft delivery device (41) comprises: The disc vibration feeder (411) is provided with a first feeding arm (4111) and a first feeding groove (4112) arranged on the first feeding arm (4111); The vibrator (412) is arranged on one side of the disc vibration feeder (411); and The first delivery guide rail (413) is arranged on the vibrator (412) and is provided with a second feeding groove (4131) communicating with the first feeding groove (4112) and a second feeding groove (4132) communicating with the second feeding groove (4131).

3. The automatic shaft feeding device according to claim 2, characterized in that, The rotating shaft delivery device (41) further comprises a first material blocking plate (415) arranged at one end of the second feeding groove (4131).

4. The automatic shaft feeding device according to claim 3, characterized in that, The rotating shaft delivery device (41) further comprises a first sensor (416) arranged on the first material blocking plate (415) and arranged opposite to the second feeding groove (4131), which is used for detecting the rotating shaft (91) in the second feeding groove (4131).

5. The automatic shaft feeding device according to claim 1, wherein Also include: The turnover device (42) is arranged on the Z-axis (33) of the three-axis moving device (3) and connected with the feeding base plate (43), so that the feeding base plate (43) drives the grabbing and placing device (44) to turn over from the vertical state to the horizontal state.

6. The automatic shaft feeding device according to claim 5, wherein The turnover device (42) comprises a turnover cylinder arranged on the Z-axis (33) and connected with the feeding base plate (43).

7. The automatic shaft feeding device according to claim 1, wherein The grabbing and placing device (44) comprises: The grabbing and placing cylinder (441) is arranged on the feeding base plate (43); The grabbing and placing seat (442) is arranged on the grabbing and placing cylinder (441) and is arranged in a first grabbing and placing groove (4421) matched with the rotating shaft (91); and The electromagnet (443) is arranged on the grabbing and placing seat (442) and arranged opposite to the first grabbing and placing groove (4421), which is used for adsorbing the rotating shaft (91) in the first grabbing and placing groove (4421).

8. The automatic shaft feeding device according to claim 7, wherein The grabbing and placing seat (442) comprises: The grabbing and placing base (4422) is arranged on the grabbing and placing cylinder (441); and A grab-and-release table (4423) is arranged on the grab-and-release base (4422), and a first grab-and-release groove (4421) is arranged on the top of the grab-and-release table (4423), and a first mounting groove (4424) for fixing the electromagnet (443) is arranged on the bottom of the grab-and-release table (4423).

9. The automatic shaft feeding device according to claim 8, wherein A first positioning groove (4426) matching the sliding table of the grab-and-release cylinder (441) is arranged on the grab-and-release base (4422).

10. The automatic shaft feeding device according to claim 8, wherein First heat dissipation grooves (4425) communicating with the first mounting groove (4424) are arranged on both sides of the grab-and-release table (4423).