Automatic feeding device for high-strength round-link chain bars

Abstract

The invention discloses an automatic feeding device for high-strength round-link chain bars, and relates to the technical field of automatic feeding. The automatic feeding device comprises a base, a material frame used for containing the bars is arranged on one side of the base, a discharging opening is formed in the side, connected with the base, of the material frame, a feeding opening is formed in the base, and a conveying device is arranged on the other side of the base; according to the automatic bar feeding device, the discharging port is formed in the bottom of the material frame, the two discharging devices independently move to push the two ends of a bar to pass through the discharging port, and then the bar enters the conveying device to be conveyed; the problem that the bars in the material frame are distributed disorderly due to the fact that the bars passing through the discharging port extrude other bars in the material frame is solved, meanwhile, the problem that the bars are clamped after being extruded is solved, the two discharging devices independently push the bars, and it is guaranteed that the two ends of the bars can be stressed to pass through the discharging port.

Description

Technical Field

[0001] The invention relates to the technical field of automatic feeding, and in particular to an automatic feeding device for high-strength round link chain bars. Background Art

[0002] Round link chains are generally used in coal mining, such as as traction components of coal mine scraper conveyors. The quality of round link chains will affect the working efficiency of the equipment and coal production. Generally, equal-length round steel bars are woven into chains through a chain maker.

[0003] Before weaving, round steel bars need to be loaded, and the loading is generally done manually, but this method is inefficient and prone to safety accidents. The existing utility model patent with authorization announcement number CN210231423U discloses a loading device for a circular chain weaving machine. Through the arrangement of two sets of chain assemblies and a plurality of hook assemblies, the driving unit drives the active shaft to drive the sprocket to rotate and then the chain rotates in a cycle. The hook assembly moves with the chain. When the hook assembly passes through the hopper, the two hook plates of the hook assembly hook a round steel bar. The hook assembly continues to move with the chain and when it turns over the sprocket on the active shaft, the round steel bar rolls down through the discharge channel and enters the feeding mechanism of the chain weaving machine, which is convenient for chain weaving.

[0004] However, the utility model still has the following problems: since a large number of round steel bars, i.e., rods, are contained in the hopper, when the hook assembly hooks the rods and moves upward, it will squeeze other rods above and around, making the distribution of the rods chaotic and tilted relative to the previous state, that is, the distances between the two ends of the rods and the corresponding hooks are different, which not only makes it impossible for multiple hook assemblies to hook the same rod at the same time, but also may cause some of the hook assemblies to only contact one side of the rod when hooking the rod, thereby squeezing the rod away from the hook assembly, making it impossible for the hook assembly to hook the rod for loading, and when the length of the hopper and the rod are roughly the same, the rod will be stuck after being squeezed and tilted. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic feeding device for high-strength round link chain bars, which solves the problem in the prior art that the bars are hooked from bottom to top by a hook assembly during feeding, resulting in uneven distribution of the bars, affecting subsequent feeding, and causing the bars to get stuck.

[0006] In order to solve the above technical problems, the present invention specifically provides the following technical solutions: A high-strength round-link chain bar automatic feeding device comprises a base, one side of the base is provided with a material frame for holding the bar, and the inner bottom of the material frame is inclined, the top of the material frame is provided with an opening, and the side of the material frame connected to the base is provided with a discharge port connected to the inner bottom of the material frame, the base is provided with a feeding port for the bar to pass through, and the other side of the base is provided with a conveying device located below the feeding port, the feeding port is provided with a blocking device and two unloading devices for entering the interior of the material frame from the bottom of the material frame, and the blocking device is used to limit the bar from passing through the discharge port when it is not pushed by the unloading device, and the two unloading devices are extended and retracted along the conveying direction of the bar and hook the bar whose bottom is closest to the base to leave the material frame.

[0007] As a preferred solution of the present invention, two opposite side walls in the material frame are each provided with a first elastic member, and the first elastic member can undergo elastic deformation along a conveying direction perpendicular to the rod material, each of the first elastic members is fixedly connected to a side plate, and the side plate is slidably connected to the inner side wall of the material frame.

[0008] As a preferred embodiment of the present invention, the unloading device includes a linear pushing device arranged in the loading port and a unloading plate obliquely arranged on the inner side wall of the loading port, and one end of the unloading plate is abutted against the bottom of the discharge port of the material frame, and the other end extends to the top of the conveying device, and the end of the linear pushing device is connected to a hook member through a support plate, and the inner bottom of the material frame is provided with a picking groove for the hook member to pass through and connected with the discharge port, and the hook member slides obliquely in contact with the outer bottom of the material frame, and after the two hook members respectively push one end of the rod material until the rod material is parallel to the blocking device, the two hook members move synchronously and press the blocking device to open the discharge port.

[0009] As a preferred solution of the present invention, the hooking member includes a second elastic member arranged on the support plate along the vertical direction, a connecting plate parallel to the outer bottom of the material frame is fixedly arranged on the end of the second elastic member, a push plate is rotatably connected to the connecting plate through a torsion spring, a limit plate for limiting the rotation direction of the push plate and a sensing element for detecting the rotation state of the push plate are arranged on the connecting plate, and the top of the push plate passes through the picking slot to the inside of the material frame, and flips over after it hits the rod material in the process of moving away from the base.

[0010] As a preferred solution of the present invention, the push plate includes a rotating plate rotatably connected to the connecting plate through a torsion spring, an extension groove is provided on the top of the rotating plate, a telescopic device is provided in the extension groove, an extension plate is provided at the end of the telescopic device, and the extension groove is used to accommodate the telescopic device and the extension plate.

[0011] As a preferred solution of the present invention, two reinforcing plates are obliquely provided on one side of the base, and the top of each reinforcing plate is slidably connected to the bottom of the two supporting plates respectively.

[0012] As a preferred solution of the present invention, the blocking device includes a third elastic member arranged at the top of the loading port, the end of the third elastic member is fixedly connected with a step plate, and when the unloading device stops working, the step plate abuts against the outer wall of the material frame and is flush with the inner wall of the material frame.

[0013] As a preferred solution of the present invention, two mounting grooves are symmetrically arranged on the inner top of the loading port, a rotating shaft is commonly connected in the two mounting grooves, two rotating seats are fixedly connected to the rotating shaft, and the two rotating seats are respectively located in the two mounting grooves, and a plurality of elastic plates are evenly spaced around the center line of the rotating seat on the circumference of each rotating seat.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a discharge port at the bottom of the material frame, and two feeding devices independently move to push the two ends of the rod material through the discharge port, and then enter the conveying device for conveying, thereby avoiding the problem that the rod material passing through the discharge port squeezes other rod materials in the material frame and causes a chaotic distribution of the rod materials inside the material frame, and at the same time avoiding the problem that the rod material is stuck after being squeezed, and the two feeding devices independently push the rod material, ensuring that both ends of the rod material can be stressed and pass through the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 An overall structural schematic diagram of a high-strength round link chain bar automatic feeding device from a first perspective is provided for an embodiment of the present invention; Figure 2 An overall structural schematic diagram of a high-strength round link chain bar automatic feeding device from a second perspective is provided for an embodiment of the present invention; Figure 3 A schematic structural diagram of a blocking device and a feeding device from a first perspective is provided for an embodiment of the present invention; Figure 4 A schematic structural diagram of a blocking device and a feeding device from a second perspective is provided for an embodiment of the present invention; Figure 5A schematic structural diagram of a blocking device and a feeding device from a third perspective is provided for an embodiment of the present invention; Figure 6 A schematic diagram of a side cross-sectional structure of a hooking member is provided for an embodiment of the present invention; Figure 7 Provided for embodiments of the present invention Figure 6 A schematic diagram of the structure enlargement of part A shown in FIG. Figure 8 A structural schematic diagram of a material frame is provided for an embodiment of the present invention.

[0017] The numbers in the figure represent the following: 1. Base; 2. Material frame; 3. Loading port; 4. Conveying device; 5. Blocking device; 6. Unloading device; 7. Rotating seat; 8. Elastic plate; 9. Mounting slot; 201, first elastic member; 202, side plate; 501, third elastic member; 502, step plate; 601, linear push device; 602, unloading plate; 603, hook member; 604, member removal slot; 605, second elastic member; 606, connecting plate; 607, push plate; 608, limit plate; 609, rotating plate; 610, extension slot; 611, telescopic device; 612, reinforcement plate; 613, support plate; 614, extension plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figures 1 to 8 As shown, the present invention provides an automatic feeding device for high-strength round link chain bars, comprising a base 1, a material frame 2 for containing bars is provided on one side of the base 1, and the inner bottom of the material frame 2 is inclined, an opening is provided on the top of the material frame 2, and a discharge port connected to the inner bottom of the material frame 2 is provided on one side of the material frame 2 connected to the base 1, a feeding port 3 for bars to pass through is provided on the base 1, a conveying device 4 located below the feeding port 3 is provided on the other side of the base 1, a blocking device 5 and two unloading devices 6 for entering the inside of the material frame 2 from the bottom of the material frame 2 are provided in the feeding port 3, and the blocking device 5 is used to limit the bars from passing through the discharge port when they are not pushed by the unloading device 6, and the two unloading devices 6 are retracted and extended along the conveying direction of the bars and hook the bars at the bottom of the material frame 2 that are closest to the base 1 to leave the material frame 2.

[0020] In actual application, the material frame 2 is used to hold neatly stacked bars. Since the bottom of the material frame 2 is inclined, the bars slide to the discharge port under the action of gravity and are restricted by the blocking device 5 to pass through the discharge port.

[0021] When loading, the two feeding devices 6 work independently of each other, start to move toward the material frame 2, and extend into the bottom of the material frame 2. After the two feeding devices 6 have passed the first rod on the bottom of the material frame 2, the two feeding devices 6 move toward the base 1. At this time, the two feeding devices 6 respectively hook the two ends of the target rod (that is, the rod closest to the discharge port) and move toward the discharge port, so that the rod moves to the discharge port and abuts against the blocking device 5 under the hooking and pushing of the two feeding devices 6, and when the feeding device 6 pushes the rod to abut against the blocking device 5, the feeding device 6 stops moving. When the other feeding device 6 also pushes the rod to abut against the blocking device 5, the rod is parallel to the blocking device 5 and the outer wall of the material frame 2, and the two feeding devices 6 move at the same time to press the blocking device 5, so that the blocking device 5 opens the discharge port under the pressure of the rod.

[0022] After the rods leave the material frame 2 and enter the loading port 3, they enter the conveying device 4 through the loading port 3 for conveying, and the two unloading devices 6 move in the opposite direction again and repeat the above movement to hook other rods in the material frame 2. The rods in the material frame 2 slide or move downward to the vicinity of the discharge port under the action of gravity, and the blocking device 5 restricts the rods from passing through the discharge port again.

[0023] Two independently moving unloading devices 6 are used to hook the two ends of the bar respectively, so that when the bar is not parallel to the discharge port of the material frame 2, that is, when the distances between the two ends of the bar and the discharge port are different, the two independently set unloading devices 6 can also hook the two ends of the bar respectively and push the bar through the discharge port, ensuring the normal transportation of the bar. Secondly, the bar is discharged from the inner bottom of the material frame 2, which avoids the problem of chaotic distribution of the bar caused by squeezing other rods in the material frame 2 during discharge, and also avoids the bar being stuck in the material frame 2 after being squeezed.

[0024] In this embodiment, the number of the unloading devices 6 is two, but it can also be a greater number, which is set according to actual needs.

[0025] In this embodiment, the material frame 2 can be detachably mounted on the base 1 to improve the convenience of using the device. Secondly, the conveying device 4 is a prior art and is used to convey individual rods to corresponding positions, such as the feed channel in the utility model patent with authorization announcement number CN210231423U, or to convey the rods to the feeding mechanism of the chain braiding machine.

[0026] The two opposite side walls in the material frame 2 are each provided with a first elastic member 201, and the first elastic member 201 can undergo elastic deformation along a direction perpendicular to the conveying direction of the rod material. Each first elastic member 201 is fixedly connected to a side plate 202, and the side plate 202 is slidably connected to the inner side wall of the material frame 2.

[0027] That is, the bar material is placed in a space formed by two opposite inner side walls of the material frame 2 and two side plates 202 , and a discharge port is provided on the inner side wall of one of the material frames constituting the space, that is, the side plate 202 is perpendicular to the outer wall of the base 1 .

[0028] Due to the provision of the first elastic member 201, the distance between the two side plates 202 can be changed under the action of the outer wall, so that the two side plates 202 are squeezed by the two first elastic members 201 respectively, thereby preventing the bar from being stuck in the material frame 2, and when the two unloading devices 6 hook the bar, the bar will also squeeze the side plates 202 after being pulled by the unloading devices 6, so that it can move smoothly through the discharge port to the loading port 3.

[0029] Furthermore, the first elastic member 201 can provide support for the side plates 202 , so that the two side plates 202 can restrict the position of the bar material to a certain extent, thereby ensuring the stability of the bar material placed in the material frame 2 .

[0030] The unloading device 6 includes a linear pushing device 601 arranged in the loading port 3 and a unloading plate 602 obliquely arranged on the inner side wall of the loading port 3, and one end of the unloading plate 602 is abutted against the bottom of the discharge port of the material frame 2, and the other end extends to the top of the conveying device 4. The end of the linear pushing device 601 is connected to a hook member 603 through a support plate 613. The inner bottom of the material frame 2 is provided with a picking groove 604 for the hook member 603 to pass through and connected with the discharge port, and the hook member 603 slides obliquely in contact with the outer bottom of the material frame 2. After the two hook members 603 respectively push one end of the rod material until the rod material is parallel to the blocking device 5, the two hook members 603 move synchronously and press the blocking device 5 to open the discharge port.

[0031] When unloading, the linear pushing device 601 pushes the support plate 613 to drive the hooking member 603 to move in the direction away from the base 1, and the hooking member 603 slides against the inner bottom of the material frame 2 and passes through the picking slot 604 to extend into the interior of the material frame 2. When the two hooking members 603 respectively hook the two ends of the same bar material, the linear pushing device 601 moves in the opposite direction, so that the two hooking members 603 respectively push the two ends of the bar material to the discharge port and collide with the blocking device 5. At this time, the two hooking members 603 are driven by the two linear pushing devices 601 to move synchronously, so that the bar material can smoothly pass through the discharge port to the unloading plate 602 in the loading port 3, and then the bar material breaks away from the hooking member 603 and the blocking device 5, and slides onto the conveying device 4 for transportation due to gravity.

[0032] In this embodiment, the linear driving device 601 is a conventional technology, such as an electric push rod.

[0033] The hooking member 603 includes a second elastic member 605 arranged on the support plate 613 along the vertical direction, and a connecting plate 606 parallel to the outer bottom of the material frame 2 is fixedly arranged at the end of the second elastic member 605. A push plate 607 is rotatably connected to the connecting plate 606 through a torsion spring. A limit plate 608 for limiting the rotation direction of the push plate 607 and a sensing element for detecting the rotation state of the push plate 607 are arranged on the connecting plate 606. The top of the push plate 607 passes through the picking slot 604 to the inside of the material frame 2, and flips over after it hits the rod material in the process of moving away from the base 1.

[0034] When the hooking member 603 is in use, the connecting plate 606 is parallel to the outer bottom of the material frame 2 , and fits with the outer bottom of the material frame 2 due to the elastic force of the second elastic member 605 .

[0035] When the connecting plate 606 moves away from the base 1, the push plate 607 moves synchronously through the removal slot 604 to the material frame 2, and after contacting the rod material, the push plate 607 rotates and compresses the torsion spring, so that the push plate 607 passes through the corresponding rod material smoothly, and then the push plate 607 is reset under the elastic force of the torsion spring and inserted between two adjacent rod materials. At this time, the linear pushing device 601 drives the connecting plate 606 to move in the direction of the base 1, so that the push plate 607 is inserted between the two rod materials and contacted with the limit plate 608. With the support of the limit plate 608, the push plate 607 pushes one end of the rod material to move under the drive of the linear pushing device 601, so that the rod material passes through the discharge port to the unloading plate 602 in the loading port 3 under the push of the two push plates 607.

[0036] The sensing element is used to detect the rotation state of the push plate 607. It detects after the push plate 607 rotates against the rod and obtains corresponding information when the push plate 607 is reset, thereby controlling the linear push device 601 to change the motion state and drive the connecting plate 606 to move in the opposite direction.

[0037] The push plate 607 includes a rotating plate 609 rotatably connected to the connecting plate 606 via a torsion spring. An extension groove 610 is provided on the top of the rotating plate 609. A telescopic device 611 is provided in the extension groove 610. An extension plate 614 is provided at the end of the telescopic device 611. The extension groove 610 is used to accommodate the telescopic device 611 and the extension plate 614.

[0038] An extension slot 610 is provided at the top of the rotating plate 609 to accommodate the telescopic device 611 and the extension plate 614, so that the telescopic device 611 can control the extension plate 614 to move out of the extension slot 610, thereby adjusting the length of the push plate 607 to ensure that the push plate 607 can push the rod to move.

[0039] Two reinforcing plates 612 are obliquely disposed on one side of the base 1 , and the top of each reinforcing plate 612 is slidably connected to the bottom of the two supporting plates 613 .

[0040] The corresponding support plate 613 is supported by the reinforcing plate 612 to ensure the stability of the support plate 613 during movement, thereby ensuring the stability of the hooking member 603 during operation.

[0041] The blocking device 5 includes a third elastic member 501 arranged at the top of the loading port 3, and the end of the third elastic member 501 is fixedly connected with a step plate 502. When the unloading device 6 stops working, the step plate 502 abuts against the outer wall of the material frame 2 and is flush with the inner wall of the material frame 2.

[0042] The step plate 502 is pressed against the outer wall of the material frame 2 by the elastic force of the third elastic member 501, thereby limiting the rod material inside the material frame 2 from passing through the discharge port, and the step plate 502 is stepped so that a portion of it is pressed against the outer wall of the material frame 2, while the stepped portion of the step plate 502 protrudes into the discharge port to limit the rod material from entering the edge of the discharge port on the material frame 2.

[0043] Two mounting grooves 9 are symmetrically arranged at the inner top of the feeding port 3, and a rotating shaft is rotatably connected in the two mounting grooves 9. Two rotating seats 7 are fixedly connected to the rotating shaft, and the two rotating seats 7 are respectively located in the two mounting grooves 9, and a plurality of elastic plates 8 are evenly spaced around the center line of the rotating seat 7 on the circumference of each rotating seat 7.

[0044] The two rotating seats 7 are driven to rotate synchronously by a driving device such as a motor to drive the rotating shaft, thereby making the multiple elastic plates 8 rotate synchronously. During the rotation, the multiple elastic plates 8 sweep the discharge port in turn, thereby sweeping the rods passing through the discharge port, and assisting the rods to pass through the loading port 3 to the conveying device 4 along the lower plate 602, so as to avoid the rods staying in the loading port 3.

[0045] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. An automatic feeding device for high-strength round link chain bars, comprising a base (1), characterized in that: A material frame (2) for holding rods is provided on one side of the base (1), and the inner bottom of the material frame (2) is inclined. An opening is provided on the top of the material frame (2). A discharge port connected to the inner bottom of the material frame (2) is provided on the side of the material frame (2) connected to the base (1). A loading port (3) for the rods to pass through is provided on the base (1). A conveying device (4) located below the loading port (3) is provided on the other side of the base (1). A blocking device (5) and two unloading devices (6) for entering the material frame (2) from the bottom of the material frame (2) are provided in the loading port (3). The blocking device (5) is used to limit the rods from passing through the discharge port when they are not pushed by the unloading device (6). The two unloading devices (6) extend and retract along the conveying direction of the rods and hook the rods at the bottom of the material frame (2) that are closest to the base (1) to leave the material frame (2).

2. The automatic feeding device for high-strength round link chain bars according to claim 1 is characterized in that: Two opposite side walls in the material frame (2) are each provided with a first elastic member (201), and the first elastic member (201) is capable of elastically deforming in a direction perpendicular to the conveying direction of the bar material, and each of the first elastic members (201) is fixedly connected to a side plate (202), and the side plate (202) is slidably connected to the inner side wall of the material frame (2).

3. The automatic feeding device for high-strength round link chain bars according to claim 1 is characterized in that: The unloading device (6) comprises a linear driving device (601) arranged in the loading port (3) and a unloading plate (602) obliquely arranged on the inner side wall of the loading port (3), and one end of the unloading plate (602) is against the bottom of the discharge port of the material frame (2), and the other end extends to the top of the conveying device (4). The end of the linear driving device (601) is connected to a hooking member (603) through a supporting plate (613). The inner bottom of the material frame (2) is provided with a picking groove (604) for the hooking member (603) to pass through and connected to the discharge port, and the hooking member (603) is slid obliquely against the outer bottom of the material frame (2). After the two hooking members (603) respectively push one end of the rod material until the rod material and the blocking device (5) are parallel and against each other, the two hooking members (603) move synchronously and press the blocking device (5) to open the discharge port.

4. The automatic feeding device for high-strength round link chain bars according to claim 3 is characterized in that: The hooking member (603) comprises a second elastic member (605) arranged on the support plate (613) in the vertical direction, a connecting plate (606) parallel to the outer bottom of the material frame (2) is fixedly arranged at the end of the second elastic member (605), a push plate (607) is rotatably connected to the connecting plate (606) via a torsion spring, a limit plate (608) for limiting the rotation direction of the push plate (607) and a sensing element for detecting the rotation state of the push plate (607) are arranged on the connecting plate (606), and the top of the push plate (607) passes through the taking slot (604) to the inside of the material frame (2), and flips over after contacting with the rod material in the process of moving away from the base (1); The push plate (607) comprises a rotating plate (609) rotatably connected to the connecting plate (606) via a torsion spring, an extension groove (610) is provided at the top of the rotating plate (609), a telescopic device (611) is provided in the extension groove (610), an extension plate (614) is provided at the end of the telescopic device (611), and the extension groove (610) is used to accommodate the telescopic device (611) and the extension plate (614).

5. The automatic feeding device for high-strength round link chain bars according to claim 3 is characterized in that: Two reinforcing plates (612) are obliquely arranged on one side of the base (1), and the top of each reinforcing plate (612) is slidably connected to the bottom of two supporting plates (613) respectively.

6. The automatic feeding device for high-strength round link chain bars according to claim 1, characterized in that: The blocking device (5) comprises a third elastic member (501) arranged at the top of the loading port (3); the end of the third elastic member (501) is fixedly connected to a step plate (502); and when the unloading device (6) stops working, the step plate (502) abuts against the outer wall of the material frame (2) and is flush with the inner wall of the material frame (2).

7. The automatic feeding device for high-strength round link chain bars according to claim 1 is characterized in that: Two mounting grooves (9) are symmetrically arranged at the inner top of the loading port (3), a rotating shaft is rotatably connected in the two mounting grooves (9), two rotating seats (7) are fixedly connected to the rotating shaft, and the two rotating seats (7) are respectively located in the two mounting grooves (9), and a plurality of elastic plates (8) are evenly spaced around the center line of the rotating seat (7) on the circumference of each rotating seat (7).

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