A vibratory feeder with a flipping device for injection molding sheet pullers

Abstract

This utility model relates to the field of vibratory feeder technology, and in particular to a vibratory feeder for injection molding sheet pull heads with a flipping device. It includes a vibratory conveyor plate, and the output position of the vibratory conveyor plate's spiral channel is provided with a conveying track, a screening station, a leveling track, a leveling mechanism, a flipping track for connecting and conveying pull heads with the pull pieces facing upwards on the conveying track, and a flipping mechanism for flipping the pull pieces of the pull heads at the output station of the flipping track from an upward position to a downward position. After the pull head with the pull piece facing upwards moves to the end of the flipping track, the pull piece is rotated, causing the pull piece to face downwards. After flipping, it falls into the vibratory conveyor plate through the flipping track and is then cycled up. The pull head with the pull piece facing downwards is pushed and pulled upright by the leveling mechanism. This solves the problem that existing vibratory feeders can only flip pull heads with the pull piece facing downwards, while pull heads with the pull piece facing upwards and upright will continuously cycle within the vibratory feeder.

Description

Technical Field

[0001] This utility model relates to the field of vibratory feeder technology, and in particular to a vibratory feeder with a flipping device for injection molding sheet pullers. Background Technology

[0002] Currently, Chinese Patent Publication No. CN120482631A discloses a hidden spring pull head vibratory feeder, including a vibratory feeder hopper and a pull ring pushing mechanism. The inner wall of the vibratory feeder hopper is provided with a feeding track, the outer side of the vibratory feeder hopper is provided with a return hopper, and the return hopper is provided with a discharge rack. The feeding track is spirally arranged from the bottom of the vibratory feeder hopper toward the discharge rack, and the end of the discharge rack extends to the outside of the return hopper. The pull ring pushing mechanism includes a mounting frame, which is located on the outer side of the discharge rack. The mounting frame is provided with a driving component, the output end of which faces the discharge rack, and a push block is provided on the output end of the driving component. The push block is located below the discharge rack.

[0003] The existing vibratory feeder has been disclosed, but it can only be flipped with the zipper head facing down. Zippers with the zipper head facing up or in the upright position will continuously cycle inside the vibratory feeder. Utility Model Content

[0004] Therefore, in view of the above problems, this utility model proposes a vibratory feeder with a flipping device for injection molding sheet pullers, which solves the above technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a vibratory feeder for injection molding sheet pull heads with a flipping device, comprising a vibratory conveyor plate, the vibratory conveyor plate having a spiral channel, the output position of the spiral channel of the vibratory conveyor plate being provided with a conveyor track for docking with the spiral channel, a screening station for screening and outputting the sheet pull heads with the sheet pulls facing down on the conveyor track, a flattening track for outputting the sheet pull heads with the sheet pulls facing down on the screening station, a flattening mechanism for vertically flipping the sheet pull heads at the output position of the flattening track, a flipping track for docking and conveying the sheet pull heads with the sheet pulls facing up on the conveyor track, and a flipping mechanism for flipping the sheet pull heads at the output position of the flipping track from the upward position to the downward position.

[0006] Furthermore, a pressing mechanism for pressing the pull head tab is provided above the spiral channel output position.

[0007] Furthermore, the tablet pressing mechanism includes a tablet pressing bracket disposed above the spiral channel, a pressure plate disposed on the tablet pressing bracket, and a driving mechanism for driving the pressure plate to repeatedly press the output position of the spiral channel.

[0008] Furthermore, the bottom surface of the pressure plate is provided with a flexible plate.

[0009] Furthermore, the edge of the screening station is provided with a screening groove for lateral support and conveying of the pull head, and a support plate is provided at the interval of the screening groove for supporting the pull head with the pull piece facing upward. A screening inclined plate is provided between the screening groove and the flattening rail for connecting and conveying the pull piece on the screening groove towards the pull head downward.

[0010] Furthermore, the flipping mechanism includes a drive device located at the output position of the flipping track, and a flipping block located on one side of the push rod inside the drive device.

[0011] Furthermore, the flipping track includes a front track for the screening station, a rear track located at the end of the front track, a reversing station located between the front and rear tracks for rotating the pull head by 45 degrees, a rear groove on the rear track for the pull head to engage and move, and a limiting plate on the top surface of the end of the rear track.

[0012] Furthermore, the rear track end section is provided with an inclined surface at the position relative to the limiting plate for guiding the rotation of the pull head tab. The angle between the inclined surface and the rear track gradually increases from one side to the other. The end of the rear track is provided with a limiting block for contacting and limiting the pull head tab. The rear track is provided with sieve holes for horizontally placing the pull head for screening.

[0013] Furthermore, the flattening mechanism includes a flipping block located at the output position of the flattening track and a motor for driving the flipping block to rotate. The outer side of the flipping block is provided with a flipping plate for rotating the pull head tab to a vertical position.

[0014] By adopting the aforementioned technical solution, the beneficial effects of this utility model are:

[0015] This vibratory feeder for injection molding sheet pull heads with a flipping device uses a flipping mechanism. The vibratory feeder conveys the sheet upwards through a spiral channel. When it reaches the screening station, the sheet-down pull head is conveyed to the flattening track through the screening station, while the sheet-up pull head is conveyed to the flipping track through the screening station. After the sheet-down pull head passes the end of the flattening track, the flattening mechanism rotates the sheet-up pull head to maintain a perpendicular angle between the sheet-up pull head and the sheet-up pull head. After the sheet-up pull head moves to the end of the flipping track, the sheet-up pull head is rotated, causing the sheet-up pull head to face downwards and flip over before falling into the vibratory feeder through the flipping track. Then, the process is repeated. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic plan view of the tablet pressing mechanism of this utility model;

[0018] Figure 3This is a partial structural diagram of the tablet pressing mechanism of this utility model;

[0019] Figure 4 This is a partial structural schematic diagram of the present invention;

[0020] Figure 5 This is a schematic diagram of the upward-facing structure of the pull tab of this utility model;

[0021] Figure 6 This is a schematic diagram of the downward-facing pull tab structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the vertical structure of the pull tab of this utility model;

[0023] Figure 8 This is a schematic diagram of the movement state of the pull head of this utility model in the screening station and the flipping track;

[0024] Figure 9 This is a schematic diagram of the zipper pull of this utility model in the state of motion through the first trachea.

[0025] Figure 10 This is a partial structural diagram of the flipping track of this utility model;

[0026] Figure 11 This is a partial structural diagram of the front and middle sections of the flattening track of this utility model;

[0027] Figure 12 This is a partial structural diagram of the middle and rear sections of the flattening track of this utility model;

[0028] Figure 13 This is a schematic diagram of the rear section structure of the flattening track of this utility model;

[0029] Figure 14 This is an enlarged schematic diagram of the flattening mechanism of this utility model. Detailed Implementation

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0031] refer to Figures 1 to 14This embodiment provides a vibratory feeder for injection molding sheet pull heads with a flipping device, including a vibratory conveyor 1. The vibratory conveyor 1 has a spiral channel 2. The output position of the spiral channel 2 of the vibratory conveyor 1 is provided with a conveyor track 3 for docking with the spiral channel 2, a screening station 4 for screening and outputting pull heads with the pull heads facing down and up on the conveyor track 3, a flattening track 5 for outputting pull heads with the pull heads facing down by docking with the screening station 4, a flattening mechanism 6 for vertically flipping the pull heads at the output position of the flattening track 5, a flipping track 7 for docking and conveying pull heads with the pull heads facing up on the conveyor track 3, and a flipping mechanism 8 for flipping the pull heads at the output position of the flipping track 7 from the upward position to the downward position. The conveyor track 3 and the screening station 4 can be integrated and continuous, or they can be segmented and welded according to the actual use.

[0032] This vibratory feeder is suitable for concealed zipper pulls or other zipper pulls that require a certain angle between the pull tab and the pull head for output; the pull tab facing downwards can be referenced. Figure 6 At this point, the pull tab is positioned above the top surface of the pull head; the upward position of the pull tab can be referenced. Figure 5 The position is opposite to the pull tab facing downwards; the pull tab should be kept perpendicular to the pull head, as can be seen from... Figure 7 ;

[0033] Vibrating conveyor 1 conveys the pull head upward through spiral channel 2. When it reaches the screening station 4, the pull head with the pull tab facing down will be conveyed to the flattening track 5 through screening station 4, and the pull head with the pull tab facing up will be conveyed to the flipping track 7 through screening station 4. After the pull head with the pull tab facing down passes the end of the flattening track 5, the flattening mechanism 6 pushes the pull head pull tab to rotate, so that the pull tab and the pull head maintain a vertical angle. After the pull head with the pull tab facing up moves to the end of the flipping track 7, the pull head pull tab is rotated 180 degrees, and the pull head pull tab will face down. The flipped pull head will fall back into the vibrating conveyor 1 through the flipping track 7, and then the cycle is repeated to avoid the pull head with the pull tab facing up being repeatedly cycled and lifted on the vibrating conveyor 1.

[0034] Above the output position of the spiral channel 2 is a pressing mechanism 9 for pressing the pull head tab. Before the pull head on the spiral channel 2 is transferred to the screening station 4, the pressing mechanism 9 presses the pull head tab when it is in an upright position. The pull head tab will be facing upward or backward. When the pull head tab is in an upright position with a certain angle to the pull head tab, it is easy to fall off the flattening track 5 and the flipping track 7 due to the counterweight and the upright shape. In addition, the pull head tab is in an upright position and perpendicular to the pull head tab, and the output pull head tab cannot be used effectively. It will repeatedly circulate in the vibrating conveyor plate 1. The pressing mechanism 9 can make the pull head tab face upward or backward through the spiral channel 2.

[0035] The tablet pressing mechanism 9 includes a tablet pressing bracket 901 disposed above the spiral channel 2, a pressure plate 902 disposed on the tablet pressing bracket 901, and a driving mechanism for driving the pressure plate 902 to repeatedly press the output position of the spiral channel 2.

[0036] The driving mechanism includes a rotating disk 903 rotatably mounted on the top of the tablet holder 901, a connecting rod 904 rotatably mounted on the rotating disk 903 at a position away from the center, and a motor 905 for driving the rotating disk 903 to rotate. The side of the connecting rod 904 away from the rotating disk 903 is rotatably connected to the pressure plate 902, and the pressure plate 902 is rotatably connected to the tablet holder 901.

[0037] Motor 905 drives the rotating disk 903 to rotate. Since the connecting rod 904 is rotatably connected to the rotating disk 903 at a position away from the center, the connecting rod 904 drives the pressure plate 902 to rotate up and down reciprocally. During the downward rotation of one side of the pressure plate 902, it presses the pull tabs on the spiral channel 2. After being pressed by the pressure plate, the pull tabs will remain in two states: facing up or facing down. The pull tabs in both states are conducive to passing through the screening station 4 to reach the flattening mechanism or the flipping mechanism. In actual use, this drive mechanism can also be replaced by the drive device 801 that drives the pressure plate 902 to move up and down, or it can be replaced by an existing drive mechanism that achieves the same function.

[0038] The bottom surface of the pressure plate 902 is provided with a flexible plate 906. The flexible plate 906 prevents the pressure plate 902 from directly contacting the pull piece and causing damage to the pull piece, thus protecting the pull piece.

[0039] The screening station 4 is track-shaped and has screening grooves 401 on its edges for lateral support and conveying of the pull head. Support plates 402 are provided at intervals between the screening grooves 401 to support the pull head with the pull tab facing upward. A downwardly inclined screening plate 403 is provided between the screening grooves 401 and the flattening track 5 for conveying the pull tabs that have passed through the screening grooves 401 to the pull head facing downward. The screening station 4 can also be manually screened or replaced by an existing vision robotic arm for screening. However, the existing structure is costly and inefficient. The structure of this application is the most efficient and cost-effective.

[0040] When the pull head with the pull tab facing upwards passes through the screening station 4, because the pull tab is located on one side of the pull head, due to the counterweight, the pull tab will get stuck in the gap between the screening groove 401 and the support plate 402. The pull head with the pull tab facing upwards will not be able to pass through the screening inclined plate 403. Due to the support of the support plate 402 on the pull head, the pull head will pass through the screening groove 401 and enter the flipping track 7.

[0041] When the puller head passes through the screening station 4 with the pull tab facing downwards, the pull tab is located on the top surface of the puller head. The pull tab cannot be inserted into the gap between the screening groove 401 and the support plate 402. After the puller head reaches the screening groove 401, the conveying track 3 does not support the bottom surface of the puller head. Under the influence of gravity, the puller head will adhere to the screening inclined plate 403. Since the screening groove 401 can only support the side surface of the puller head, the bottom surface of the puller head will slide down to the flattening track 5 after contacting the screening inclined plate 403.

[0042] The leveling track 5 and leveling mechanism 6 have been disclosed in the patent literature in the background section of this specification, and their specific structures and principles have been disclosed, so they will not be repeated here. Based on the original structure, the applicant has made additional improvements to the leveling track 5. The leveling track 5 includes a front leveling track 5a that connects to the screening station 4, a middle leveling track 5b for connecting the pull head of the front leveling track 5a, a rear leveling track 5c for conveying the pull head of the middle leveling track 5b to the leveling mechanism 6, and a third air pipe 5d located on one side of the middle leveling track 5b for reversing the pull head. (See reference...) Figure 11 The zipper head reversal refers to the zipper head rotating approximately 180 degrees after passing through the third trachea (5°).

[0043] The front-section flattening track 5a has a front-section top surface 5e that contacts the pull head, and the middle-section flattening track 5b has a middle-section top surface 5f that contacts the pull head. The front-section top surface 5e is located above the middle-section top surface 5f, and there is a height difference between the front-section top surface 5e and the middle-section top surface 5f. The width of the front-section top surface 5e is greater than that of the middle-section top surface 5f. The rear-section flattening track 5c has a rear-section top surface 5g, which is located below the middle-section top surface 5f. A buffer post 5h is provided between the middle-section top surface 5f and the rear-section top surface 5g. A limiting post 5i is provided at intervals on one side of the rear-section flattening track 5c. The rear-section flattening track 5c has a supporting vertical surface 5k, and the supporting vertical surface has straight slot holes 5L for screening and removing the pull heads that are conveyed laterally. The pull heads that are conveyed laterally can be referenced. Figure 13 The pull head inside the straight slot 5L is in a lateral conveying state. The pull head is in an upright state located on the right side of the rear flattening track 5c. The height dimension of the straight slot 5L from bottom to top is greater than the height dimension of the pull head from bottom to top in the lateral conveying state, and less than the height dimension of the pull head from bottom to top in the upright state.

[0044] As the slider moves from the front flattening track 5a to the middle flattening track 5b, due to the height difference, the slider's bottom surface changes from contacting the top surface 5e of the front section to its side surface contacting the top surface 5f of the middle section. Then, as the slider passes through the third air pipe 5d, the slider with the pull tab facing backward will rotate after air is blown through the third air pipe 5d, and the pull tab will face forward.

[0045] After the forward-facing pull tab reaches the rear push-flat track 5c via the push-flat track 5b, and passes the buffer post 5h, it will form an angle greater than 45 degrees with the rear push-flat track 5c. At the same time, the pull tab of the pull tab will engage with the gap between the limiting post 5i and the rear push-flat track 5c. As the rear push-flat track 5c continues to convey the material, the pull tab of the pull tab will stand upright on the rear push-flat track 5c until it is conveyed to the push-flat mechanism 6.

[0046] The flipping mechanism 8 includes a drive device 801 located at the output position of the flipping track 7, and a flipping block 802 located on one side of the push rod inside the drive device 801. The drive device 801 can be a cylinder, an electric push rod, or other existing drive structures, all of which are existing conventional technologies and will not be described in detail here.

[0047] After the pull head with the pull tab facing upwards reaches the end of the flipping track 7, the drive device 801 drives the flipping brick to move forward, pushing the pull tab to rotate 180 degrees and fit against the top surface of the pull head. Then, it drops from the flipping track 7 to the vibrating conveyor plate 1 for cyclic conveying. During the secondary conveying, because the flipping mechanism 8 flips the pull tab, the pull head will be directly output through the flattening track 5, avoiding the pull head with the pull tab facing upwards from continuously circulating in the vibrating conveyor plate 1.

[0048] The flipping track 7 includes a front track 701 for screening station 4, a rear track 702 located at the end of the front track 701, a reversing station 703 located between the front track 701 and the rear track 702 for rotating the pull head by 45 degrees, a rear groove 704 provided on the rear track 702 for the pull head to engage and move, and a limiting plate 705 provided on the top surface of the end of the rear track 702.

[0049] Above the flipping track 7 is a first air pipe 9a for blowing air into the pull head to make the pull sheet position face backward. When the pull head pulls the sheet out from the gap between the screening station 4 and the support plate 402, the pull head pulls the sheet vertically and hangs on the flipping track 7.

[0050] When air is blown into the first air tube, the pull head will rotate approximately 90 degrees. The pull head, initially positioned vertically on the flip-plate track 7, will rotate to a horizontal position. The pull plate and pull head will then be positioned on the top surface of the flip-plate track 7. The vertical and horizontal positions of the pull head on the flip-plate track 7 can be referenced. Figure 8 and Figure 9 The pull head a is vertically positioned on the left side of the flipping track 7; after passing the first air tube 9a, the pull head is horizontally positioned on the flipping track 7, at which point the pull head b is positioned on the right side of the flipping track 7.

[0051] After passing through the front track 701, the pull head reaches the reversing station 703 and rotates 45 degrees. After passing through the rear track 702, the pull head will be inserted into the rear groove 704. Since the pull tab is facing upward, it will contact the limiting block 707 on the rear track 702. The pull head that has not been flipped by the flipping mechanism 8 cannot pass directly through the flipping track 7. The limiting plate 705 will fix the pull head to prevent it from falling off the flipping track 7 during the flipping mechanism 8 flipping and rotating the pull tab.

[0052] The flip-top track 7 is provided with a guide protrusion 7a for fitting the bottom surface of the pull head to the rear track 702. The bottom width of the front track 701 is smaller than the bottom width of the rear track 702. The guide protrusion 7a is located between the front track 701 and the rear track 702. The guide protrusion 7a gradually extends from a position near the side of the front track 701 to a position near the side of the rear track 702. When the bottom surface of the pull head is fitted to the front track 701 and laterally transported to the position of the guide protrusion 7a, guided by the guide protrusion 7a, the pull head continues to move towards the rear track 702. After reaching the position of the rear track 702, the bottom surface of the pull head will fit against the bottom surface of the rear track 702.

[0053] The rear track 702 has an inclined surface 706 at the end relative to the limiting plate 705 for guiding the rotation of the pull tab. The angle between the inclined surface 706 and the rear track 702 gradually increases from one side to the other. The end of the rear track 702 has a limiting block 707 for contacting and limiting the pull tab. The rear track has a sieve hole 708 for horizontally placing the pull tab for screening.

[0054] The inclined plane 706 pulls the pull tab upwards a short distance, making it easier for the subsequent flipping block 802 to contact the pull tab and flip it.

[0055] A segmentation position 7b is provided between the end position and the beginning position of the rear track 702. The end position of the rear track 702 has a first support sidewall 7c that fits against the side of the slider. The beginning position of the rear track 702 has a second support sidewall 7d that fits against the side of the slider. The first support sidewall 7c and the second support sidewall 7d have a front-to-back height difference. A right-angle block 7e is provided on the second support sidewall 7d at the segmentation position 7b. A second air pipe 7f for blowing air onto the right-angle block is provided above the second support sidewall.

[0056] Because there is a front-to-back height difference between the first support sidewall 7c and the second support sidewall 7d at segment position 7b, after the pull head moves from the first support sidewall 7c to the second support sidewall 7d, it will stand upright at segment position 7b. The second air tube blows air towards the position below the right-angle block 7e, and the auxiliary pull head stands upright below the right-angle block 7e. After being inserted into the segment position, the pull head will remain upright and move horizontally to the final segment position.

[0057] The leveling mechanism includes a flipping block 6a located at the output position of the leveling track, and a motor 6b for driving the flipping block 6a to rotate. The outer side of the flipping block 6a is provided with a flipping piece 6c for rotating the pull head tab to a vertical position.

[0058] When the motor drives the flip block to rotate, the flipping piece on the outside of the flip block will contact the pull head and drive it to rotate. After the flipping piece rotates 45 degrees, it will leave the pull head and no longer contact the pull head, thereby driving the pull head to rotate 45 degrees. Compared with the prior art literature, this structure is more suitable for vibratory feeders with faster conveying speeds. The prior art cylinder drive speed is slower, while this structure is faster.

[0059] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0060] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0061] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0062] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A vibrating tray for injection-molded tabbed sheet pullers, comprising a vibrating delivery tray (1) having a spiral channel (2), characterized in that, The vibrating conveyor (1) has a conveying track (3) for docking with the spiral channel (2) according to the production line, a flipping track (7) for docking the pull head with the pull tabs on the conveying track (3) facing upwards, and a flipping mechanism (8) for flipping the pull tabs of the output position of the flipping track (7) from the upward position to the downward position.

2. A vibrating tray for injection molded tabbed sheet pullers according to claim 1, wherein: Above the output position of the spiral channel (2) is a pressing mechanism (9) for pressing the pull head tab.

3. A vibrating tray for injection molded tabbed sheet pullers according to claim 2, wherein: The tablet pressing mechanism (9) includes a tablet pressing bracket (901) located above the spiral channel (2), a pressure plate (902) located on the tablet pressing bracket (901), and a driving mechanism for driving the pressure plate (902) to repeatedly press the output position of the spiral channel (2). The bottom surface of the pressure plate (902) is provided with a flexible plate (906).

4. A vibrating tray for injection molded tabbed sheet pullers according to claim 1, wherein: It also includes a screening station (4) for screening the output by pulling the pull tabs on the conveyor track (3) downwards.

5. A vibrating tray for injection molded tabbed sheet pullers according to claim 4, wherein: The screening station (4) has a screening groove (401) at its edge for lateral support and conveying of the pull head. A support plate (402) is provided at intervals in the screening groove (401) for supporting the pull head with the pull piece facing upward. A screening inclined plate (403) is provided between the screening groove (401) and the flattening rail (5) and is inclined downward for conveying the pull piece on the screening groove (401) toward the pull head downward.

6. A vibrating tray for injection molded tabbed sheet pullers as defined in claim 1 or 2 or 4 or 5, wherein: The flipping mechanism (8) includes a drive device (801) located at the output position of the flipping track (7) and a flipping block (802) located on one side of the push rod inside the drive device (801).

7. A vibrating tray for injection molded tabbed sheet pullers according to claim 6, wherein: The flipping track (7) includes a front track (701) for the screening station (4), a rear track (702) located at the end of the front track (701), a reversing station (703) located between the front track (701) and the rear track (702) for rotating the pull head by 45 degrees, a rear groove (704) provided on the rear track (702) for the pull head to engage and move, and a limiting plate (705) provided on the top surface of the end of the rear track (702).

8. A vibrating tray for injection molded tabbed sheet pullers according to claim 7, wherein: The rear track (702) is provided with an inclined surface (706) at the position of the limiting plate (705) for guiding the rotation of the pull tab of the pull head. The angle between the inclined surface (706) and the rear track (702) gradually increases from one side to the other. The end of the rear track (702) is provided with a limiting block (707) for contacting and limiting the pull tab of the pull head. The rear track (702) is provided with a sieve hole (708) for horizontally placing the pull head for screening.

9. A vibrating tray for injection molded tabbed sheet pullers according to claim 1 or 4, wherein: It also includes a flattening rail (5) for pulling the pull head downwards from the output pull head of the screening station (4), and a flattening mechanism (6) for vertically flipping the pull head pull head of the output position of the flattening rail (5).

10. A vibrating tray for injection molded tabbed sheet pullers according to claim 9, wherein: The flattening mechanism (6) includes a flipping block (6a) located at the output position of the flattening track (5) and a motor (6b) for driving the flipping block (6a) to rotate. The flipping block (6a) has a flipping piece (6c) on its outer side for rotating the pull tab of the pull head to a vertical position.

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