Screw feeding system

Abstract

The utility model discloses a screw feeding system which comprises a frame body, a stock bin is arranged on the frame body, a stepped feeding mechanism and a straight vibrator are arranged in the stock bin, a screw feeding track is arranged above the straight vibrator, and the screw feeding system further comprises a material receiving mechanism, a first discharging pipe, a material cutting mechanism and a pair of second discharging pipes. Wherein the material receiving mechanism is connected with the straight vibrator and is used for taking out screws sent by the straight vibrator one by one; the upper end of the first discharging pipe is connected with the output end of the material receiving mechanism, and the screws fall into the first discharging pipe through the material receiving mechanism. The cutting mechanism is connected with the lower end of the first discharging pipe. The pair of second discharging pipes is connected with the material cutting mechanism, and the material cutting mechanism can control the screws in the first discharging pipe to enter one of the pair of second discharging pipes. According to the utility model, the screw positioning precision is improved, the screws can be alternately supplied to the two groups of actuators, the screw taking action of an electric screwdriver is canceled, the on-line operation is directly realized, and the operation time is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw feeding system, especially a screw feeding system. BACKGROUND

[0002] Screw is a common fastener, is widely used in machinery, electrical equipment and building, uses screw as fixed part in large quantities in the modern production factory mainly with assembly process, and the model type of screw is numerous, and the commonly used has interior hexagonal screw, cross slot screw etc.

[0003] There is a completely automatic screw feeding system in the prior art, and the screw feeding system usually uses a track to send screws and cooperates with a disc turntable to discharge and sort the screws, the discharge position of the screw is turned out by the disc, the position precision is poor, the screw taking and locking precision are affected, and the screw needs to be taken by an electric screwdriver.

[0004] Therefore, it is necessary to provide a screw feeding device, which can solve the problem of low positioning precision caused by large discharge position deviation, improve the positioning precision without affecting the production rhythm, and facilitate automatic material taking. SUMMARY

[0005] According to the utility model embodiments, a screw feeding system is provided, which comprises a frame body, a hopper is arranged on the frame body, a stepped feeding mechanism and a straight vibrator are arranged in the hopper, a screw feeding track is arranged above the straight vibrator, and the screw feeding system further comprises:

[0006] A receiving mechanism is connected with the straight vibrator and is used to take out the screws sent by the straight vibrator one by one.

[0007] A first discharging pipe is connected with the output end of the receiving mechanism, and the screws fall into the first discharging pipe through the receiving mechanism.

[0008] A cutting mechanism is connected with the lower end of the first discharging pipe.

[0009] A pair of second discharging pipes are connected with the cutting mechanism, and the cutting mechanism can control the screws in the first discharging pipe to enter one of the pair of second discharging pipes.

[0010] Further, the receiving mechanism comprises:

[0011] A first connecting frame is fixedly connected with the frame body.

[0012] A first sliding frame is slidingly connected with the first connecting frame, a first guide groove and a first discharging hole are arranged on the top of the first sliding frame, the first guide groove is connected with the output end of the straight vibrator, and the first discharging hole is in communication with the first guide groove.

[0013] The first driving cylinder is fixedly connected to the first connecting frame, and its output end is connected to the first sliding frame, which can drive the first sliding frame to slide along the first connecting frame.

[0014] The first fixed block is located above the first sliding frame. The first fixed block is provided with a second guide groove and a second discharge hole. The second guide groove is connected to the output end of the direct vibrator and the first guide groove, respectively. The second discharge hole is connected to the second guide groove.

[0015] The second fixing block is located below the first guide groove and is slidably connected to the first sliding frame, and is fixedly connected to the first connecting frame and the first fixing block respectively; the second fixing block is provided with a third discharge hole;

[0016] The first discharge pipe is connected to the third discharge hole.

[0017] Furthermore, a limiting block is also provided on the first fixing block, which is positioned above the second guide groove to prevent the screw from dislodging from the second guide groove.

[0018] Furthermore, it also includes: a third fixing block, which is sleeved on the first feeding pipe, and the third fixing block is provided with a vent hole, one end of which is connected to the first feeding pipe and the other end of which is connected to an external air pump.

[0019] Furthermore, the cutting mechanism includes:

[0020] The second connecting frame is fixedly connected to the frame body. The top of the second connecting frame is provided with a fourth discharge hole, which is connected to the lower end of the first discharge pipe.

[0021] A sliding block is disposed inside the second connecting frame and slidably connected to the second connecting frame, and connected to the second feeding pipe; the sliding block is provided with a pair of fifth feeding holes, the upper end of the fifth feeding hole can be connected to the fourth feeding hole, and the lower end is connected to the second feeding pipe;

[0022] The second drive cylinder is fixedly connected to the second connecting frame, and its output end is connected to the sliding block, which can drive the sliding block to slide back and forth.

[0023] Furthermore, it also includes: a fourth fixing block, which is sleeved on the second feeding pipe, and the fourth fixing block is provided with a vent hole, one end of which is connected to the second feeding pipe and the other end of which is connected to an external air pump.

[0024] Furthermore, a baffle plate is installed above the nail feeding track, and the baffle plate is detachably connected to the frame.

[0025] Furthermore, a limit plate is also installed above the discharge end of the nail feeding track.

[0026] Further, the nail feeding track is further provided with a blowing block, the blowing block is provided with blowing holes, and the blowing holes are connected with an external air pump.

[0027] Further, the upper end of the material bin is further provided with a material shortage detection sensor.

[0028] According to the screw feeding system, screw positioning precision is improved, two groups of actuators can be alternately fed with nails, the nail taking action of the electric wrench is cancelled, online operation is directly realized, and operation time is greatly reduced.

[0029] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of the embodiment of the utility model;

[0031] Figure 2 It is an enlarged view of A of Figure 1

[0032] Figure 3 It is an enlarged view of B of Figure 1

[0033] Figure 4 It is a right view of Figure 1

[0034] Figure 5 It is a schematic view of the material receiving mechanism according to the embodiment of the utility model;

[0035] Figure 6 It is a structural schematic view of the material receiving mechanism according to the embodiment of the utility model after removing the first connecting frame;

[0036] Figure 7 It is a plan view of Figure 6

[0037] Figure 8 It is an A-A sectional view of Figure 7

[0038] Figure 9 It is a structural schematic view of the material receiving mechanism according to the embodiment of the utility model after removing the first fixed block;

[0039] Figure 10 It is a structural schematic view of the material receiving mechanism according to the embodiment of the utility model;

[0040] Figure 11 It is a plan view of Figure 10

[0041] Figure 12 It is a​​​​​​Figure 11 B-B toward the sectional view of the figure. DETAILED DESCRIPTION

[0042] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, and the utility model will be further described.

[0043] First, the screw feeding system according to the embodiments of the utility model will be described in combination with Figures 1-12 The screw feeding system according to the embodiments of the utility model is used in the screw conveying technical field, and has a wide range of application scenarios.

[0044] As Figures 1-12 Indicated, the screw feeding system of the utility model embodiments, containing frame body 1, frame body 1 is provided with hopper 2, hopper 2 is provided with stepped feeding mechanism 3 and straight vibrator (not shown) in, straight vibrator top is provided with nail track 4, stepped feeding mechanism 3 is transported to nail track 4, straight vibrator drives nail track 4 vibration and sends out screw;Still contain:

[0045] Material receiving mechanism 5, material receiving mechanism 5 is connected with straight vibrator, for taking out screw sent by straight vibrator one by one;

[0046] First blanking tube 6, first blanking tube 6 upper end is connected with the output end of material receiving mechanism 5, screw falls into first blanking tube 6 through material receiving mechanism 5;

[0047] Cutting mechanism 7, cutting mechanism 7 is connected with the lower end of first blanking tube 6;

[0048] A pair of second blanking tubes 8, a pair of second blanking tubes 8 are connected with cutting mechanism 7, and cutting mechanism 7 can control the screw in first blanking tube 6 to enter one of a pair of second blanking tubes 8, and second blanking tube 8 is connected with the corresponding electric screwdriver actuator.

[0049] Further, as Figures 3-9 Indicated, in the embodiment, material receiving mechanism 5 contains:

[0050] First connecting frame 51, first connecting frame 51 is fixedly connected with frame body 1;

[0051] First sliding frame 52, first sliding frame 52 is slidingly connected with first connecting frame 51, and first sliding frame 52 top is provided with first guide slot 521 and first blanking hole 522, first guide slot 521 is connected with the output end of straight vibrator, and first blanking hole 522 is communicated with first guide slot 521;

[0052] First drive cylinder 53, first drive cylinder 53 is fixedly connected with first connecting frame 51, and the output end thereof is connected with first sliding frame 52, so that first sliding frame 52 can be driven to slide along first connecting frame 51;

[0053] The first fixed block 54 is arranged above the first sliding frame 52, and the second guide groove 541 and the second blanking hole 542 are arranged on the first fixed block 54, the second guide groove 541 is connected with the output end of the straight vibrator and the first guide groove 521 respectively, and the second blanking hole 542 is connected with the second guide groove 541.

[0054] The second fixed block 55 is arranged below the first guide groove 521 and is connected with the first sliding frame 52 in sliding mode, and is fixedly connected with the first connecting frame 51 and the first fixed block 54 respectively; and the third blanking hole 551 is arranged on the second fixed block 55.

[0055] The first blanking pipe 6 is connected with the third blanking hole 551.

[0056] In the initial state, the first guide groove 521 and the second guide groove 541 are connected with the ejection port of the straight vibrator 4, and the screw enters the first guide groove 521 and the second guide groove 541 from the ejection port; then the first driving cylinder 53 drives the first sliding frame 52 to slide, the first fixed block 54 and the second fixed block 55 are stationary, until the first blanking hole 522 is aligned with the second blanking hole 542, at the same time, the third blanking hole 551 is also aligned with the first blanking hole 522, and the screw falls from the second blanking hole 542 to the first blanking pipe 6.

[0057] Further, in the embodiment, the first fixed block 54 is further provided with a limiting block arranged above the second guide groove 541, which is used to prevent the screw from separating from the second guide groove 541.

[0058] Further, as shown in the drawings, Figure 5 In the embodiment, a third fixed block 56 is further arranged on the first blanking pipe 6, and the third fixed block 56 is provided with an air hole, one end of which is connected with the first blanking pipe 6, and the other end is connected with an external air pump, and the air extracted through the air hole can apply a downward force to the screw, facilitating the falling of the screw.

[0059] Further, as shown in the drawings, Figure 6 , 8 In the embodiment, the bottom of the first sliding frame 52 is provided with a bottom plate 523, and the sixth blanking hole 5231 is arranged on the bottom plate 523, and the bottom plate 523 is arranged between the second fixed block 55 and the third fixed block 56, when the first blanking hole 522 is aligned with the second blanking hole 542, the sixth blanking hole 5231 is also aligned with the third blanking hole 551.

[0060] Further, as shown in the drawings, Figures 10-12 In the embodiment, the cutting mechanism 7 comprises:

[0061] The second connecting frame 71 is fixedly connected with the frame body 1, and a fourth discharging hole 711 is arranged at the top of the second connecting frame 71 and is in communication with the lower end of the first discharging pipe 6.

[0062] The sliding block 72 is arranged in the second connecting frame 71 and is in sliding connection with the second connecting frame 71 and is connected with the second discharging pipe 8; a pair of fifth discharging holes 721 are arranged on the sliding block 72, the upper end of the fifth discharging hole 721 is in communication with the fourth discharging hole 711, and the lower end is in communication with the second discharging pipe 8.

[0063] The second driving air cylinder 73 is fixedly connected with the second connecting frame 71, the output end thereof is connected with the sliding block 72, and the sliding block 72 can be driven to reciprocatingly slide, the sliding block 72 is driven to move by the second air cylinder, the pair of fifth discharging holes 721 correspond to the fourth discharging hole 711, so that the cutting function is achieved.

[0064] Further, as shown in Figure 10 , 12 In the embodiment, a fourth fixed block 74 is further arranged on the second discharging pipe 8, the fourth fixed block 74 is sleeved on the second discharging pipe 8, air holes are arranged on the fourth fixed block 74, one end of the air hole is in communication with the second discharging pipe 8, and the other end is in communication with an external air pump, and the fourth fixed block 74 has the same effect as the third fixed block 56.

[0065] Further, as shown in Figure 2 In the embodiment, a blocking plate 41 is further arranged above the nail feeding track 4, and the blocking plate 41 is detachably connected with the frame body 1, so that the screw with the threaded end upward is blocked.

[0066] Further, in the embodiment, a limiting plate is further arranged above the discharging end of the nail feeding track 4, so that the screw is prevented from jumping out.

[0067] Further, as shown in Figure 2 In the embodiment, a blowing block 9 is further arranged above the nail feeding track 4, air holes are arranged on the blowing block 9, the air holes are connected with an external air pump, and the blowing block 9 is used for blowing the screw not falling into the nail feeding track 4 back to the material bin 2.

[0068] Further, in the embodiment, a material shortage detection sensor is further arranged at the upper end of the material bin 2, and is used for detecting whether the material bin 2 is short of material.

[0069] Further, in the embodiment, the first discharging pipe 6 and the second discharging pipe 8 are deformable pipes.

[0070] Working principle: The screw is conveyed to the nail feeding track 4 through the stepped feeding mechanism 3, the screw is fed to the material receiving mechanism 5 by the straight vibrator, the screw is fed into the cutting mechanism 7 one by one by the material receiving mechanism 5, and the screw is fed into the second discharging pipe 8 by the cutting mechanism 7.

[0071] The above, with reference to Figures 1-12 The screw feeding system according to the embodiment of the utility model is described, improve screw positioning accuracy, can be two groups of executor alternately supply nail, cancel electric wrench take nail action, directly realize on-line operation, greatly reduce operation time.

[0072] It should be noted that in the present specification, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more limitations, the elements defined by the statement "contain" do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.

[0073] Although the content of the utility model has been introduced in detail by the above preferred embodiment, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and alternatives of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the appended claims.

Claims

1. A screw feeding system comprising a frame body, a hopper is arranged on the frame body, a stepped feeding mechanism and a straight vibrator are arranged in the hopper, a screw feeding track is arranged above the straight vibrator, characterized in that, Also contain: The receiving mechanism is connected with the straight vibrator, which is used to take out the screws sent by the straight vibrator one by one; The first down tube is connected with the output end of the receiving mechanism, and the screws fall into the first down tube through the receiving mechanism; The cutting mechanism is connected with the lower end of the first down tube; A pair of second down tubes are connected with the cutting mechanism, and the cutting mechanism can control the screws in the first down tube to enter one of the pair of second down tubes.

2. The screw feeding system of claim 1, wherein, The receiving mechanism contains: The first connecting frame is fixedly connected with the frame body; The first sliding frame is slidingly connected with the first connecting frame, and the top of the first sliding frame is provided with a first guide groove and a first down hole, the first guide groove is connected with the output end of the straight vibrator, and the first down hole is in communication with the first guide groove; The first driving cylinder is fixedly connected with the first connecting frame, and the output end thereof is connected with the first sliding frame, so as to drive the first sliding frame to slide along the first connecting frame; The first fixed block is arranged above the first sliding frame, and the first fixed block is provided with a second guide groove and a second down hole, the second guide groove is connected with the output end of the straight vibrator and the first guide groove respectively, and the second down hole is connected with the second guide groove; The second fixed block is arranged below the first guide groove and is slidingly connected with the first sliding frame, and is fixedly connected with the first connecting frame and the first fixed block respectively; the second fixed block is provided with a third down hole; The first down tube is in communication with the third down hole.

3. The screw feeding system of claim 2, wherein, The first fixed block is further provided with a limiting block arranged above the second guide groove, which is used to prevent the screws from falling off the second guide groove.

4. The screw feeding system of claim 2, wherein, Further contain: the third fixed block is sleeved on the first down tube, and the third fixed block is provided with an air hole, one end of the air hole is in communication with the first down tube, and the other end is in communication with an external air pump.

5. The screw feeding system of claim 1, wherein, The cutting mechanism contains: The second connecting frame is fixedly connected with the frame body, and the top of the second connecting frame is provided with a fourth down hole, the fourth down hole is in communication with the lower end of the first down tube; The sliding block is arranged in the second connecting frame and is slidingly connected with the second connecting frame, and is connected with the second down tube; the sliding block is provided with a pair of fifth down holes, the upper end of the fifth down hole is in communication with the fourth down hole, and the lower end is in communication with the second down tube; The second driving cylinder is fixedly connected with the second connecting frame, and the output end thereof is connected with the sliding block, so as to drive the sliding block to slide back and forth.

6. The screw feeding system of claim 5, wherein, Further contain: the fourth fixed block is sleeved on the second down tube, and the fourth fixed block is provided with an air hole, one end of the air hole is in communication with the second down tube, and the other end is in communication with an external air pump.

7. The screw feeding system of claim 1, wherein, The nail feeding track is further provided with a material blocking plate above the nail feeding track.

8. The screw feeding system of claim 1, wherein, The nail feeding track is further provided with a limiting plate above the outlet end of the nail feeding track.

9. The screw feeding system of claim 1, wherein, The nail feeding track is further provided with a blowing block above the nail feeding track, the blowing block is provided with blowing holes, and the blowing holes are connected with an external air pump.

10. The screw feeding system of claim 1, wherein, The bin is further provided with a material shortage detection sensor at the upper end of the bin.

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