Automatic screw feeding mechanism

Abstract

The utility model particularly relates to an automatic screw feeding mechanism which comprises a rack, a storage bin, a screening bin and a screw distribution mechanism, the storage bin, the screening bin and the screw distribution mechanism are sequentially arranged on the rack, and a screw pushing device capable of ascending and descending in the height direction of the rack is arranged in the storage bin. A lifting device capable of doing lifting motion in the height direction of the rack is arranged in the screening bin, and the screw pushing device moves and ascends in the height direction of the rack and can push the screws stored in the storage bin into the screening bin. The lifting device moves and ascends in the height direction of the rack and can convey the screws in the screening bin to the feeding end of the screw distribution mechanism. Through the arrangement of the screw pushing device and the lifting device, stable movement in the feeding process of the screws is achieved, and the automation degree and the production efficiency are high; and especially for materials with large sizes, the frequency of manually adding the materials can be reduced to the maximum extent, and automatic feeding operation of the screws is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of screw locking machine equipment, in particular to an automatic screw feeding mechanism. Background Art

[0002] At present, a large number of screws are required for fixing in the assembly process of many equipment. If the operator manually loads the materials, it takes a long time and is inefficient. Therefore, the development and use of automatic feeding mechanisms to replace manual feeding can significantly improve the assembly quality and efficiency. For example, an automatic screw feeding mechanism disclosed in application number 202221872259.1, in which the storage box and the screw hopper use a feeding belt to transport the screws, can easily lead to problems such as jamming or unstable material quantity, and the screw conveying device pushes the screws in the screw hopper to the feeding track through the reciprocating movement of the step plate. This process cannot make the screws be loaded in a forward order, and there is also a risk of piling and jamming. Based on this, it is necessary to propose a further solution. Summary of the invention

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide an automatic screw feeding mechanism.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A screw automatic feeding mechanism comprises a frame, and a storage bin, a screening bin and a screw distributing mechanism which are sequentially arranged on the frame, wherein a screw pushing device which can perform lifting and lowering movements along the height direction of the frame is arranged in the storage bin, and a lifting device which can perform lifting and lowering movements along the height direction of the frame is arranged in the screening bin, and the screw pushing device can push the screws stored in the storage bin into the screening bin by moving and rising along the height direction of the rack, and the lifting device can transfer the screws in the screening bin to the feeding end of the screw distributing mechanism by moving and rising along the height direction of the rack.

[0006] Furthermore, the screw pushing device includes a first push plate and a first driving member, the first push plate is connected to the output end of the first driving member, the first push plate is slidably arranged on a side wall of the storage bin close to the screening bin, and the first driving member is used to drive the first push plate to perform a linear lifting motion along the height direction of the frame.

[0007] Furthermore, a partition plate is provided in the storage silo, and the partition plate is arranged parallel to the first push plate.

[0008] Furthermore, the screw pushing device also includes a first supporting plate, which is connected to the output end of the first driving member, and one end of the first supporting plate away from the first driving member is fixedly connected to the first pushing plate.

[0009] Furthermore, the screw pushing device also includes a second push plate, which is slidably arranged on a side of the partition plate away from the first push plate, and the second push plate is fixedly connected to the first supporting plate.

[0010] Furthermore, the bottom wall of the storage bin is provided with a through groove for the first push plate or the second push plate to pass through.

[0011] Furthermore, the screw pushing device also includes a first guide assembly, which includes a first guide rod and a first guide sleeve slidably mounted on the first guide rod, the first support plate is fixedly connected to the first guide sleeve, and the two ends of the first guide rod are respectively connected to the frame and the bottom wall of the storage bin.

[0012] Furthermore, the lifting device includes a lifting plate and a second driving member, the lifting plate is connected to the output end of the second driving member, the lifting plate is arranged corresponding to the feed end of the screw distribution mechanism, and the second driving member is used to drive the lifting plate to perform linear lifting and lowering motion along the height direction of the frame.

[0013] Furthermore, the bottom wall of the screening silo is provided with a slot for the lifting plate to pass through.

[0014] Furthermore, the lifting device also includes a second support plate and a second guide assembly, the second guide assembly includes a second guide rod and a second guide sleeve slidably mounted on the second guide rod, the two ends of the second support plate are respectively connected to the output end of the second driving member and the lifting plate, and the second support plate is fixedly connected to the second guide sleeve, and the two ends of the second guide rod are respectively connected to the frame and the bottom wall of the screening bin.

[0015] Furthermore, when there are multiple lifting plates, a material guide plate is provided between two adjacent lifting plates.

[0016] Furthermore, the screw distributing mechanism includes a screw conveying guide rail and a pushing assembly. The screw conveying guide rail and the lifting device are arranged on the frame correspondingly. The pushing assembly is movably arranged above the screw conveying guide rail. The pushing assembly is used to push excess screws at the feeding end of the screw conveying guide rail back into the screening bin. The movement direction of the pushing assembly is opposite to the conveying direction of the screw.

[0017] The beneficial effect of the utility model is that the utility model discloses an automatic screw feeding mechanism, which pushes the screws in the storage bin into the screening bin by the upward movement of the screw pushing device, and then transmits the screws to the screw distribution mechanism as the lifting device moves upward to complete the feeding, so that the screw feeding process is stable, the risk of material jamming and material piling is avoided, and the degree of automation and production efficiency are high. Especially for materials with larger sizes, the number of manual material additions can be reduced to the greatest extent, and it is conducive to the automatic feeding operation of screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model with the casing removed;

[0020] Figure 3 It is a cross-sectional view of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the utility model with the casing and part of the frame removed.

[0022] The accompanying drawings are marked as follows: 1. frame; 2. storage silo; 3. screening silo; 4. casing; 5. first push plate; 6. first driving member; 7. first support plate; 8. first guide rod; 9. first guide sleeve; 10. lifting plate; 11. second driving member; 12. second support plate; 13. second guide rod; 14. second guide sleeve; 15. guide plate; 16. screw conveying guide rail; 17. push plate; 18. driver; 19. partition plate; 20. second push plate. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings. The contents mentioned in the embodiments are not intended to limit the present invention. Figure 1 The height direction of the rack is described in detail, wherein the height direction of the rack is the height direction of the rack. Figure 1 The up and down directions in .

[0024] Example 1

[0025] like Figure 1-2 As shown, this embodiment provides an automatic screw feeding mechanism, including a frame 1 and a storage bin 2, a screening bin 3 and a screw dispensing mechanism which are sequentially arranged on the frame 1, wherein the storage bin 2 is provided with a screw pushing device which can make a lifting movement along the height direction of the frame 1, and the screening bin 3 is provided with a lifting device which can make a lifting movement along the height direction of the frame 1, and the screw pushing device moves up along the height direction of the frame 1 to push the screws stored in the storage bin 2 into the screening bin 3, and the lifting device moves up along the height direction of the frame 1 to transfer the screws in the screening bin 3 to the feeding end of the screw dispensing mechanism.

[0026] In this embodiment, the storage bin 2 and the screening bin 3 are both loaded with screws. When the amount of screws in the screening bin 3 is small, the screw pushing device moves upward to the maximum stroke to push the screws in the storage bin 2 into the screening bin 3, and then the screws are transferred to the screw distribution mechanism as the lifting device moves upward to complete the loading. Through the above structural setting, the risk of screw stacking and jamming can be effectively avoided, and the loading process of the screws is stable, with high automation and production efficiency; especially for materials of larger size, the number of manual additions can be minimized, and the automatic loading of screws is conducive to the operation.

[0027] Specifically, the automatic screw feeding mechanism also includes a casing 4, which is connected to the frame 1, and the storage bin 2 and the screening bin 3 are both arranged in the casing 4. The setting of the casing 4 can improve the operating safety of the automatic screw feeding mechanism and provide safety protection for operators.

[0028] Furthermore, the screw pushing device includes a first push plate 5 and a first driving member 6, the first push plate 5 is connected to the output end of the first driving member 6, the first push plate 5 is slidably arranged on a side wall of the storage bin 2 close to the screening bin 3, and the first driving member 6 is used to drive the first push plate 5 to perform a linear lifting motion along the height direction of the frame 1.

[0029] Furthermore, the bottom wall of the storage bin 2 is provided with a first through groove for the first push plate 5 to pass through.

[0030] In this embodiment, when the first driving member 6 is working, its output end drives the first push plate 5 to move upward, and when the top wall of the first push plate 5 is higher than the side wall of the storage bin 2, the screws on the top wall of the first push plate 5 can be pushed into the screening bin 3. It can be understood that the first push plate 5 has a certain width, and a small number of screws can stay on the top wall of the first push plate 5 when the first push plate 5 moves upward.

[0031] Furthermore, the screw pushing device also includes a first supporting plate 7 , which is connected to the output end of the first driving member 6 , and one end of the first supporting plate 7 away from the first driving member 6 is fixedly connected to the first pushing plate 5 .

[0032] Furthermore, the screw pushing device also includes a first guide assembly, which includes a first guide rod 8 and a first guide sleeve 9 slidably mounted on the first guide rod 8, the first support plate 7 is fixedly connected to the first guide sleeve 9, and the two ends of the first guide rod 8 are respectively connected to the bottom wall of the frame 1 and the storage bin 2.

[0033] In this embodiment, the number of the first guide rods 8 and the first guide sleeves 9 are both four, and the four first guide rods 8 are respectively arranged at the four top corners of the first support plate 7, and the two ends are respectively connected to the bottom wall of the storage bin 2 and the frame 1. When the first driving member 6 is working, its output end drives the first support plate 7, the first push plate 5 and the first guide sleeve 9 to perform lifting and lowering movements along the first guide rod 8. Here, the first guide assembly plays a guiding and limiting role, thereby ensuring that the movement of the first push plate 5 is smooth and stable.

[0034] Furthermore, the lifting device includes a lifting plate 10 and a second driving member 11, the lifting plate 10 is connected to the output end of the second driving member 11, the lifting plate 10 is arranged corresponding to the feeding end of the screw distribution mechanism, and the second driving member 11 is used to drive the lifting plate 10 to perform a linear lifting motion along the height direction of the frame 1.

[0035] Furthermore, the bottom wall of the screening bin 3 is provided with a slot for the lifting plate 10 to pass through.

[0036] In this embodiment, the screening bin 3 is loaded with a certain amount of screws. When the second driving member 11 is working, its output end drives the lifting plate 10 to move upward from the bottom of the screening bin 3, and aligns the screws hung on the lifting plate 10 with the feed end of the screw distribution mechanism for loading.

[0037] Furthermore, the lifting device also includes a second support plate 12 and a second guide assembly, the second guide assembly includes a second guide rod 13 and a second guide sleeve 14 slidably mounted on the second guide rod 13, the two ends of the second support plate 12 are respectively connected to the output end of the second driving member 11 and the lifting plate 10, and the second support plate 12 is fixedly connected to the second guide sleeve 14, and the two ends of the second guide rod 13 are respectively connected to the frame 1 and the bottom wall of the screening bin 3.

[0038] In this embodiment, when the second driving member 11 is working, its output end drives the second support plate 12, the second guide sleeve 14 and the lifting plate 10 to move up and down along the second guide rod 13. Here, the second guide assembly plays a guiding and limiting role, thereby ensuring that the movement of the lifting plate 10 is smooth and stable.

[0039] Furthermore, when there are multiple lifting plates 10, a guide plate 15 is provided between two adjacent lifting plates 10. In this embodiment, there are three lifting plates 10, and a guide plate 15 is provided between two adjacent lifting plates 10, and both sides of the guide plate 15 near the screw distribution mechanism protrude to both sides to form an inclined plate shape. This arrangement makes it easier for the screws of the screening bin 3 near the screw distribution mechanism to fall onto the lifting plate 10, thereby preventing the lifting plate 10 from being empty during the rising process.

[0040] Furthermore, a slot is provided through the top wall of the lifting plate 10, and the slot extends from one end close to the storage bin 2 to the other end. The arrangement of the slot, in conjunction with the movement of the push assembly described below, enables the screws resting on the lifting plate 10 to be arranged in a positive direction, thereby ensuring that the screws enter the screw conveying guide rail 16 in a positive and orderly manner for loading. It can be understood that the diameter of the slot is smaller than the diameter of the screw head and smaller than the diameter of the screw shank, so that the screw can be just stuck in the slot.

[0041] Furthermore, the screw distribution mechanism includes a screw conveying guide rail 16 and a pushing assembly. The screw conveying guide rail 16 and the lifting device are arranged on the frame 1 correspondingly. The pushing assembly is movably arranged above the screw conveying guide rail 16. The pushing assembly is used to push excess screws at the feeding end of the screw conveying guide rail 16 back into the screening bin 3. The movement direction of the pushing assembly is opposite to the conveying direction of the screw.

[0042] Furthermore, the pushing assembly includes a pushing plate 17 and a driver 18, wherein the pushing plate 17 is arranged at the output end of the driver 18, and the driver 18 is fixed on the frame 1, and the lower end of the pushing plate 17 is arranged close to the screw conveying guide rail 16, so that when the driver 18 is running, its output end drives the pushing plate 17 to move in the opposite direction of the screw conveying (that is, the pushing plate 17 moves toward the side close to the screening bin 3), and pushes the excess screws at the feeding end of the screw conveying guide rail 16 back into the screening bin 3, thereby realizing the orderly distribution of single screws in the screw conveying guide rail 16.

[0043] Example 2

[0044] This embodiment further defines the internal structure of the storage bin 2 on the basis of the embodiment 1. This embodiment provides an automatic screw feeding mechanism, wherein a partition plate 19 is provided in the storage bin 2, and the partition plate 19 is arranged parallel to the first push plate 5, and the first push plate 5 is located between the partition plate 19 and the inner side wall of the storage bin 2.

[0045] Furthermore, the screw pushing device also includes a second push plate 20 , which is slidably disposed on a side of the partition plate 19 away from the first push plate 5 , and the second push plate 20 is fixedly connected to the first support plate 7 .

[0046] Furthermore, the bottom wall of the storage bin 2 is provided with a second through groove for the second push plate 20 to pass through.

[0047] In this embodiment, the height of the partition plate 19 is less than the height of the side wall of the storage bin 2, and the height of the second push plate 20 is less than the height of the partition plate 19, so that a step-like rise is formed between the partition plate 19 and the side wall of the storage bin 2, and the first push plate 5 and the second push plate 20 are driven by the first driving member 6 to perform lifting and lowering movements with the first supporting plate 7. When the first driving member 6 drives the first supporting plate 7 to move upward, the first push plate 5 and the second push plate 20 move upward accordingly. When the second push plate 20 moves to a height higher than the partition plate 19, the second push plate 20 pushes the screws resting on its top wall to the top of the partition plate 19 as a first-level resting platform, and as the second push plate 20 moves downward, the screws on the first resting platform fall onto the top wall of the first push plate 5, and as the second push plate 20 moves upward, the screws are pushed into the adjacent screening bin 3. Through the above arrangement, the feeding amount of the screw pushing device to the screening bin 3 can be increased, so that the entire screw automatic feeding mechanism moves smoothly and stably, and the feeding efficiency and stability are improved.

[0048] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A screw automatic feeding mechanism, characterized in that: The invention comprises a frame (1), and a storage bin (2), a screening bin (3) and a screw distribution mechanism which are arranged on the frame (1) in sequence. The storage bin (2) is provided with a screw pushing device which can move up and down along the height direction of the frame (1). The screening bin (3) is provided with a lifting device which can move up and down along the height direction of the frame (1). The screw pushing device can push the screws stored in the storage bin (2) into the screening bin (3) by moving up and down along the height direction of the frame (1). The lifting device can transfer the screws in the screening bin (3) to the feeding end of the screw distribution mechanism by moving up and down along the height direction of the frame (1).

2. The automatic screw feeding mechanism according to claim 1, characterized in that: The screw pushing device comprises a first push plate (5) and a first driving member (6), wherein the first push plate (5) is connected to an output end of the first driving member (6), the first push plate (5) is slidably arranged on a side wall of the storage bin (2) close to the screening bin (3), and the first driving member (6) is used to drive the first push plate (5) to perform a linear lifting motion along the height direction of the frame (1).

3. The automatic screw feeding mechanism according to claim 2, characterized in that: A partition plate (19) is arranged in the storage bin (2), and the partition plate (19) is arranged parallel to the first push plate (5).

4. The automatic screw feeding mechanism according to claim 3 is characterized in that: The screw pushing device further comprises a first supporting plate (7), wherein the first supporting plate (7) is connected to the output end of the first driving member (6), and an end of the first supporting plate (7) away from the first driving member (6) is fixedly connected to the first pushing plate (5).

5. The automatic screw feeding mechanism according to claim 4, characterized in that: The screw pushing device further comprises a second push plate (20), the second push plate (20) being slidably arranged on a side of the partition plate (19) away from the first push plate (5), and the second push plate (20) being fixedly connected to the first support plate (7).

6. The automatic screw feeding mechanism according to claim 4, characterized in that: The screw pushing device further comprises a first guide assembly, the first guide assembly comprising a first guide rod (8) and a first guide sleeve (9) slidably mounted on the first guide rod (8), the first support plate (7) is fixedly connected to the first guide sleeve (9), and the two ends of the first guide rod (8) are respectively connected to the frame (1) and the bottom wall of the storage bin (2).

7. The automatic screw feeding mechanism according to claim 1, characterized in that: The lifting device comprises a lifting plate (10) and a second driving member (11), wherein the lifting plate (10) is connected to the output end of the second driving member (11), the lifting plate (10) is arranged corresponding to the feeding end of the screw distribution mechanism, and the second driving member (11) is used to drive the lifting plate (10) to perform a linear lifting motion along the height direction of the frame (1).

8. The automatic screw feeding mechanism according to claim 1, characterized in that: The lifting device further comprises a second support plate (12) and a second guide assembly, wherein the second guide assembly comprises a second guide rod (13) and a second guide sleeve (14) slidably mounted on the second guide rod (13), the two ends of the second support plate (12) are respectively connected to the output end of the second driving member (11) and the lifting plate (10), and the second support plate (12) is fixedly connected to the second guide sleeve (14), and the two ends of the second guide rod (13) are respectively connected to the frame (1) and the bottom wall of the screening bin (3).

9. The automatic screw feeding mechanism according to claim 7, characterized in that: When there are multiple lifting plates (10), a material guide plate (15) is provided between two adjacent lifting plates (10).

10. The automatic screw feeding mechanism according to claim 1, characterized in that: The screw distribution mechanism comprises a screw conveying guide rail (16) and a pushing assembly. The screw conveying guide rail (16) and the lifting device are arranged on the frame (1) in correspondence. The pushing assembly is movably arranged above the screw conveying guide rail (16). The pushing assembly is used to push excess screws at the feeding end of the screw conveying guide rail (16) back into the screening bin (3). The movement direction of the pushing assembly is opposite to the conveying direction of the screws.

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