Automatic injection nut feeding device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DEJI AUTOMATION TECH CO LTD
- Filing Date
- 2025-07-11
- Publication Date
- 2026-06-26
Smart Images

Figure CN224408269U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to injection molding feeding equipment, and in particular to an automatic feeding device for injection molded part nuts. Background Technology
[0002] Injection molded parts are widely used due to their high production efficiency and ability to create complex shapes. Connections between injection molded parts and adjacent components typically employ snap-fit connections and screw connections. For ease of installation and stability, nuts are often incorporated into the injection molded part, with screws then connected to the built-in nut. When injection molded parts containing nuts are being molded, a robotic arm typically places the nuts into the injection mold for integrated injection molding. Existing nut feeding devices usually place nuts into the injection mold one by one, resulting in low nut feeding efficiency. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic feeding device for injection molded nuts.
[0004] The technical solution adopted by this utility model to solve its technical problem is: an automatic feeding device for injection molded nuts, including a machine base, a vibrating feeding plate set on the machine base, a transfer manipulator set on the machine base, a transfer gripper assembly set on the transfer manipulator, and a secondary positioning assembly set on the top of the machine base. The outlet of the vibrating feeding plate is provided with a direct vibrating feeder, and the outlet of the direct vibrating feeder is provided with a cutting assembly. The cutting assembly includes a cutting frame set on the machine base, a cutting cylinder set on the cutting frame, and a cutting block set on the cylinder rod of the cutting cylinder. The cutting block slides horizontally along the cutting frame, and the cutting block is provided with a receiving notch for accommodating nuts. The nut placement position on the secondary positioning assembly corresponds one-to-one with the nut placement area in the injection mold.
[0005] As a further improvement to this design, the machine base is equipped with a CCD detection camera for detecting defects in the nuts inside the vibrating feed pan.
[0006] As a further improvement to this design, the secondary positioning component includes a secondary positioning base plate disposed on the machine base, a secondary positioning base disposed on the secondary positioning base plate, a positioning pin disposed on the top of the secondary positioning base, and through-beam detection sensors disposed on both sides of the secondary positioning base. The through-beam detection sensors transmit light rays that pass through the top surface of the nut on the positioning pin. The top of the positioning pin is conical. The secondary positioning base plate is provided with a material picking docking positioning post.
[0007] As a further improvement to this design, the transfer gripper assembly includes a connecting seat for connecting the transfer manipulator, a gripper cylinder disposed at the bottom of the connecting seat, and grippers disposed on the gripper cylinder. The grippers have a clamping arc surface on the opposite side that fits against the circumferential surface of the nut.
[0008] As a further improvement to this design, the gripper is equipped with a photoelectric detection sensor for detecting whether a nut is present on the gripper.
[0009] As a further improvement to this design, the connecting seat is provided with a pusher seat, and the pusher seat is provided with an elastic element, the elastic extension axis of the elastic element being collinear with the nut axis between the grippers.
[0010] As a further improvement to this design, the elastic element is an elastic plunger.
[0011] The beneficial effects of this utility model are: This utility model realizes automatic screening of nuts through a vibrating feeding plate, and accurately positions the nuts through a secondary positioning component, which facilitates the precise picking up of all nuts by the feeding robot and loading them into the mold at one time, effectively improving the feeding efficiency. Attached Figure Description
[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.
[0014] Figure 2 This is a three-dimensional structural diagram of the transfer gripper assembly of this utility model.
[0015] Figure 3 This is a top view of the transfer gripper assembly of this utility model.
[0016] Figure 4 The transfer gripper assembly of this utility model is in Figure 3 Schematic diagram of the cross-section at position AA.
[0017] Figure 5 This utility model is in Figure 1 Enlarged schematic diagram at point I in the middle.
[0018] Figure 6 This utility model is in Figure 1 Enlarged schematic diagram at point II.
[0019] In the diagram: 1. Machine base; 2. Straight vibratory feeder; 3. CCD detection camera; 4. Vibratory feed tray; 5. Transfer gripper assembly; 50. Connecting seat; 51. Gripper cylinder; 52. Gripper; 53. Photoelectric detection sensor; 54. Clamping arc surface; 55. Elastic element; 56. Pusher seat; 6. Transfer robot; 7. Secondary positioning assembly; 70. Material picking docking positioning post; 71. Secondary positioning base plate; 72. Secondary positioning base; 73. Positioning pin; 74. Through-beam detection sensor; 8. Cutting assembly; 80. Cutting cylinder; 81. Cutting block; 82. Cutting rack; 83. Accommodation notch. Detailed Implementation
[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. The illustrative embodiments and descriptions are only used to explain the present invention and are not intended to limit the present invention. Example
[0021] Please see Figure 1 and Figure 5 This embodiment provides an automatic feeding device for injection molded nuts, including a machine base 1, a vibrating feeding plate 4 disposed on the machine base 1, a transfer manipulator 6 disposed on the machine base 1, a transfer gripper assembly 5 disposed on the transfer manipulator 6, and a secondary positioning assembly 7 disposed on the top of the machine base 1. The outlet of the vibrating feeding plate 4 is provided with a direct vibration feeder 2, and the outlet of the direct vibration feeder 2 is provided with a cutting assembly 8. The cutting assembly 8 includes a cutting frame 82 disposed on the machine base 1, a cutting cylinder 80 disposed on the cutting frame 82, and a cutting block 81 disposed on the cylinder rod of the cutting cylinder 80. The cutting block 81 slides horizontally along the cutting frame 82, and the cutting block 81 is provided with a receiving notch 83 for accommodating nuts. The nut placement position on the secondary positioning assembly 7 corresponds one-to-one with the nut placement area in the injection mold.
[0022] The above-mentioned automatic screening of nuts is achieved by the vibrating feeding plate 4, and the nut position is accurately positioned by the secondary positioning component 7, which facilitates the precise picking of the material by the feeding robot and the loading of all nuts into the mold at one time, effectively improving the feeding efficiency.
[0023] Please see Figure 1 In order to facilitate timely detection of abnormalities in the feeding of the vibrating feeder 4, the machine base 1 is equipped with a CCD detection camera 3 for detecting defects in the nuts inside the vibrating feeder 4.
[0024] Please see Figure 6The secondary positioning assembly 7 includes a secondary positioning base plate 71 mounted on the machine base 1, a secondary positioning base 72 mounted on the secondary positioning base plate 71, a positioning pin 73 mounted on the top of the secondary positioning base 72, and through-beam detection sensors 74 mounted on both sides of the secondary positioning base 72. The through-beam detection sensors 74 transmit light that passes directly through the top surface of the nut on the positioning pin 73. The top of the positioning pin 73 is tapered. The secondary positioning base plate 71 is provided with a material-picking docking positioning post 70. The positioning pin 73 facilitates precise positioning of the nut, and its position corresponds one-to-one with the nut placement position within the injection mold. The tapered top of the positioning pin 73 facilitates nut placement. The through-beam detection sensors 74 can detect whether the nut is properly positioned.
[0025] Please see Figure 2 and Figure 4 The transfer gripper assembly 5 includes a connecting seat 50 connected to the transfer manipulator 6, a gripper cylinder 51 disposed at the bottom of the connecting seat 50, and a gripper 52 disposed on the gripper cylinder 51. The gripper 52 has a clamping arc surface 54 on one side opposite to the nut, which is used to clamp the nut and ensure the stability of the nut during the transfer process.
[0026] Please see Figure 2 The gripper 52 is equipped with a photoelectric detection sensor 53 for detecting whether a nut is present on the gripper 52.
[0027] Please see Figure 4 The connecting seat 50 is provided with a pusher seat 56, and the pusher seat 56 is provided with an elastic element 55. The elastic extension axis of the elastic element 55 is collinear with the nut axis between the gripper 52. The elastic element 55 facilitates pushing the nut into place when it is placed into the secondary positioning component 7.
[0028] To improve the service life of the elastic element 55, the elastic element 55 is an elastic plunger.
[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. An automatic feeding device for injection molded nuts, characterized in that, The system includes a machine base, a vibrating feeder mounted on the machine base, a transfer robot mounted on the machine base, a transfer gripper assembly mounted on the transfer robot, and a secondary positioning assembly mounted on the top of the machine base. The outlet of the vibrating feeder is equipped with a direct vibrating feeder, and the outlet of the direct vibrating feeder is equipped with a cutting assembly. The cutting assembly includes a cutting frame mounted on the machine base, a cutting cylinder mounted on the cutting frame, and a cutting block mounted on the cylinder rod of the cutting cylinder. The cutting block slides horizontally along the cutting frame and has a receiving notch for accommodating nuts. The nut placement positions on the secondary positioning assembly correspond one-to-one with the nut placement areas in the injection mold.
2. The automatic feeding device for injection molded part nuts according to claim 1, characterized in that, The machine is equipped with a CCD detection camera for detecting defects in the nuts inside the vibrating feed pan.
3. The automatic feeding device for injection molded part nuts according to claim 1, characterized in that, The secondary positioning component includes a secondary positioning base plate disposed on the machine platform, a secondary positioning base disposed on the secondary positioning base plate, a positioning pin disposed on the top of the secondary positioning base, and through-beam detection sensors disposed on both sides of the secondary positioning base. The through-beam detection sensors transmit light rays that pass through the top surface of the nut on the positioning pin. The top of the positioning pin is conical. The secondary positioning base plate is provided with a material picking docking positioning post.
4. The automatic feeding device for injection molded part nuts according to claim 1, characterized in that, The transfer gripper assembly includes a connecting seat for connecting the transfer robot, a gripper cylinder disposed at the bottom of the connecting seat, and grippers disposed on the gripper cylinder. The grippers have a clamping arc surface on the opposite side that fits against the circumferential surface of the nut.
5. The automatic feeding device for injection molded part nuts according to claim 4, characterized in that, The gripper is equipped with a photoelectric detection sensor for detecting whether a nut is present on the gripper.
6. The automatic feeding device for injection molded part nuts according to claim 4, characterized in that, The connecting seat is provided with a pusher seat, and the pusher seat is provided with an elastic element. The elastic extension axis of the elastic element is collinear with the nut axis between the grippers.
7. The automatic feeding device for injection molded part nuts according to claim 6, characterized in that, The elastic element is an elastic plunger.