CN117208568A - Accurate pickup device of many specifications reinforcing bar - Google Patents

Abstract

The invention provides a device for accurately picking up multi-specification steel bars, which includes: a mobile silo and a picking and conveying mechanism. The movable silo includes multiple positions, and each position places steel bars of the same specifications; the picking and conveying mechanism includes: a frame; and a picking mechanism. It picks up steel bars of target specifications from the mobile silo; the material receiving mechanism is used to cache the steel bars picked up by the picking mechanism, and one end of the material receiving mechanism is the clamping position; the flattening mechanism reciprocates and flattens the steel bars stacked on the material receiving mechanism. Arranged in a single layer; the positioning mechanism pushes the flattened steel bars toward the clamping position in the direction perpendicular to the axial direction of the steel bars, so that the steel bars are closely arranged from the clamping position; the clamping mechanism is located on the clamping and receiving mechanism Pick up the steel bars at the position; the rolling mechanism transports the steel bars picked up by the clamping mechanism to the processing equipment. The invention can realize the switching of the picking processing of steel bars of different specifications at any time and realize the accurate picking of steel bars of multiple specifications.

Description

A multi-specification steel bar precise picking device

Technical field

The present invention relates to the technical field of steel bar processing, and specifically to a device for accurately picking up multi-specification steel bars.

Background technique

Steel bar raw materials are generally supplied in whole bundles, with specifications of Φ12~40mm and 6~12m long. In actual use, the steel bars need to be picked up as required and sent to cutting equipment to be cut to the required length. When picking up steel bars, first place the steel bars in the raw material bin. There are currently three ways to pick up steel bars:

The first one: the traditional manual picking and loading method. The operator sorts the steel bars according to specifications, and then sends the steel bars to the cutting equipment and processes the steel bars according to needs. This method has low processing efficiency, high cost, high labor intensity, and requires It takes 1 to 2 people to complete.

The second type: Most existing steel bar picking mechanisms or equipment adopt a horizontal single-bar picking mode. When the steel bars need to be processed, steel bars of the same specification are first placed on the silo. There is a certain height difference between the silo and the processing equipment. The loading mechanism will slide the steel bars one by one from the silo to the rolling mechanism of the processing equipment. The rolling mechanism will send the steel bars to the processing equipment. Please refer to the application number 201720577393.1, and the invention name is "Steel Bars of Steel Bar Bending Machine" The Chinese invention patent of "Loading Device". This method of loading has high efficiency, but the specifications of processed steel bars cannot be switched at any time. Rebars of other specifications can only be switched after the processing of steel bars of the same specification is completed, that is, the processing of steel bars of different specifications It needs to be done in sequence and in batches.

Category 3: There are also some equipments for processing steel bars of different specifications in the existing technology, and the processing of steel bars of different specifications can be switched at any time. As shown in Figure 1, in a production, when picking up the steel bar 3', the magnet 2' needs to be used to lift the steel bar to a certain height, and the clamping claw 1' is used to clamp a steel bar from the side or the magnet is sucked into the equipment. When picking up the second steel bar, the electromagnet needs to pick up the steel bar from the silo again and repeat the above action. Please refer to the application number 201210517918.4, the invention name is "Automatic lifting steel bar feeding device and its process in steel bar processing production line" in China Invention patent, in this patent, the clamping jaw 1' in Figure 1 is set as a discharge mechanism. The advantage of this picking method is that the specifications of the steel bars can be switched at any time, but when the steel bars of the same specification need to be processed in batches, the overall work efficiency of this method is low.

In actual production, the specifications and quantity of steel bars that need to be processed are uncertain. It is necessary to switch the processing of steel bars of different specifications at any time, and to process steel bars of the same specification efficiently. For this reason, it is necessary to improve the existing steel bar picking device. Improvements to resolve the above issues.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a device for accurately picking up multiple specifications of steel bars.

According to one aspect of the present invention, a device for accurately picking up multiple specifications of steel bars is provided, which includes a mobile bin and a picking and conveying mechanism. The mobile bin includes multiple bins, and each bin places steel bars of the same specification; the picking device Conveying mechanism includes:

A frame that provides support for the pick-up and conveyor mechanism;

A pick-up mechanism is fixed on the top of the frame, and the pick-up mechanism is used to pick up steel bars of target specifications from the mobile silo;

A material receiving mechanism is located below the pickup mechanism. The material receiving mechanism is used to cache the steel bars picked up by the pickup mechanism. One end of the material receiving mechanism is a clamping position;

A flattening mechanism is located on one side of the material receiving mechanism. The flattening mechanism reciprocally flattens the steel bars stacked on the material receiving mechanism into a single layer arrangement;

The positioning mechanism is located on one side of the material receiving mechanism and away from the clamping position. The positioning mechanism pushes the flattened steel bar toward the clamping position in the direction perpendicular to the axial direction of the steel bar, so that the steel bar moves from the The clamping positions are arranged closely in sequence;

A clamping mechanism is fixed on the frame and located above the material receiving mechanism, and the clamping mechanism clamps the steel bar on the material receiving mechanism at the clamping position;

A rolling mechanism is fixed on the frame. The rolling mechanism is used to transport the steel bars clamped by the clamping mechanism to the processing equipment.

Optionally, the mobile silo also includes:

A support frame is provided below a plurality of the warehouse positions, and the support frame is used to support a plurality of the warehouse positions;

Bin guide rails, fixed on the support frame and located at the bottom of the mobile bin, are arranged along the length direction perpendicular to the bin position;

A driving device is provided at the bottom of the mobile silo, and the driving device drives the silo to move along the silo guide rail.

Optionally, the pickup mechanism includes:

The first cylinder fixing plate is fixed on the frame;

The first cylinder is fixed on the first cylinder fixing plate, and the first cylinder rod of the first cylinder extends downward;

The lower end of the limit rod passes through the first cylinder fixed plate, and the upper end is connected to a connecting plate. The connecting plate is fixed on the frame. The limit rod is provided with a limit ring. The limit ring is To adjust the stroke of the first cylinder;

A second buffer pad is set on the limiting rod, and the second buffer pad is close to the upper surface of the first cylinder fixed plate;

A guide rod fixing plate is connected to the end of the first cylinder rod, and the lower end of the limit rod is fixed on the guide rod fixing plate;

The upper end of the guide rod is connected to the guide rod fixed plate, and the guide rod fixed plate can slide along the guide rod;

An electromagnet is provided at the lower end of the guide rod, and the electromagnet is used to absorb steel bars.

Optionally, the lower end of the guide rod is connected to the electromagnet support plate, and the electromagnet is connected to the electromagnet support plate through a hinge seat. The hinge seat includes a rotation axis in the x direction and a rotation axis in the y direction, so The hinge base has rotational freedom in the x-direction and the y-direction.

Optionally, the material receiving mechanism includes:

Material receiving rod, the clamping position is located at one end of the material receiving rod, and the steel bar is placed perpendicular to the axial direction of the material receiving rod;

The second cylinder is fixed on the frame. The end of the second cylinder rod of the second cylinder is connected to the middle part of the material receiving rod. The expansion and contraction direction of the second cylinder rod is consistent with the axial direction of the material receiving rod. vertical;

Rollers are sleeved on both ends of the material receiving rod.

Optionally, the flattening mechanism includes:

Bracket, fixed on the frame;

Guide rails are fixed on the bracket, and the guide rails are arranged along the height direction of the flattening mechanism;

A movable plate, one side of which is fixed on the slider of the guide rail;

The first servo motor-reducer combination and the second servo motor-reducer combination are both fixed on the movable plate, and the first servo motor-reducer combination is located below the second servo motor-reducer combination. ;

A first gear, the first gear is connected to the output shaft of the second servo motor-reducer combination;

a second gear connected to the output shaft of the first servo motor-reducer combination;

A first rack is arranged along the height direction of the flattening mechanism, the first rack is fixed on the bracket and cooperates with the first gear;

A third guide rail is provided on the other side of the movable plate, the third guide rail is perpendicular to the guide rail, and a rack mounting plate is provided on the slider of the third guide rail;

A second rack is fixed on the rack mounting plate, the second rack is perpendicular to the first rack, and the second rack cooperates with the second gear;

A third cylinder, fixed on the rack mounting plate, having a third cylinder rod that telescopes along the height direction of the flattening mechanism;

A rubbing plate is installed at the end of the third cylinder rod.

Optionally, the end of the material receiving rod close to the clamping position is provided with a positioning column, and the positioning column is used to position the steel bar at the clamping position; the positioning mechanism includes:

A fixed base, fixed on the frame;

A fourth cylinder is fixed on the fixed base, the fourth cylinder is located above the fixed base, and the fourth cylinder has a fourth cylinder rod that telescopes in an axial direction perpendicular to the steel bar;

A sixth guide rail is provided on the lower surface of the fixed seat, and the length direction of the sixth guide rail is consistent with the expansion and contraction direction of the fourth cylinder rod;

The positioning push plate has one end fixed on the slide block of the sixth guide rail and the other end fixed on the end of the fourth cylinder rod; the positioning push plate pushes the flattened steel bar to the clamping position until it is squeezed. Press the positioning post.

Optionally, the rolling mechanism includes:

A motor-reducer combination is installed on the frame;

A sprocket connected to the output shaft of the motor-reducer combination;

The active conveying wheel is connected to the sprocket through a chain;

Two sets of first guide wheels are respectively arranged at both ends of the rolling mechanism in the direction of movement of the steel bars. Each set of first guide wheels includes two first guide wheels respectively located on both sides of the active conveyor wheel; A space for placing steel bars is formed between the first guide wheels and plays a guiding role in conveying steel bars;

Conveying channel, the active conveying wheel rotates to guide the steel bars into the conveying channel.

Optionally, the picking and conveying mechanism also includes a pressing mechanism, which is located above the rolling mechanism. The pressing mechanism includes:

a fifth cylinder installed on the frame, the fifth cylinder having a fifth cylinder rod extending downward;

A roller support is located at the end of the fifth cylinder rod;

A second guide rail is provided on the frame, the second guide rail is provided along the height direction of the frame, and the roller support moves along the second guide rail driven by the fifth cylinder;

The driven rolling wheel is located in the roller support. After the roller support is lowered, the driven rolling wheel presses the steel bar and cooperates with the active conveying wheel to clamp and transport the steel bar;

The second guide wheel is provided in the roller support, and the second guide wheel plays a guiding role in the longitudinal transportation of steel bars.

Optionally, the picking and conveying mechanism also includes a material blocking mechanism located above the material receiving mechanism, and the material blocking mechanism includes:

a sixth cylinder, fixed on the frame, the sixth cylinder having a downwardly extending sixth cylinder rod;

The baffle is connected to the end of the sixth cylinder rod, and the baffle blocks the end of the steel bar that is not clamped on the material receiving mechanism.

Compared with the prior art, the present invention has at least one of the following beneficial effects:

1. The multi-specification steel bar precise picking device provided by the present invention. The mobile silo includes multiple bins to place steel bar raw materials of different specifications. When the steel bars of different specifications need to be switched during the processing of steel bars, the remaining steel bars on the receiving mechanism will fall off. In the bin corresponding to the original specification of steel bars, move the silo so that the bin corresponding to the target specification of steel bars moves to the bottom of the picking mechanism for picking, thereby realizing the switching of picking and processing of different specifications of steel bars at any time.

2. The multi-specification steel bar precise picking device provided by the present invention can achieve the same specification of steel bars through the interaction between the moving silo, material receiving mechanism, rolling mechanism, positioning mechanism, clamping mechanism, rolling mechanism, etc. Carry out efficient batch processing and achieve accurate picking of steel bars of multiple specifications.

Description of the drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

Figure 1 is a schematic structural diagram of an automated feeding device in the background technology. In the figure, 1’ is a clamp, 2’ is a magnet, and 3’ is a steel bar;

Figure 2 is a schematic structural diagram of a device for accurately picking up multiple specifications of steel bars in an embodiment of the present invention;

Figure 3 is a schematic structural diagram of the pick-up and transport mechanism in an embodiment of the present invention;

Figure 4 is a schematic structural diagram of a mobile silo in an embodiment of the present invention;

Figure 5 is a schematic structural diagram of a mobile silo in an embodiment of the present invention;

Figure 6 is a schematic structural diagram of the pickup mechanism in an embodiment of the present invention;

Figure 7 is a schematic structural diagram of the hinge seat in one embodiment of the present invention;

Figure 8 is a schematic structural diagram of the material receiving mechanism in one embodiment of the present invention;

Figure 9 is a schematic structural diagram of the flattening mechanism in an embodiment of the present invention;

Figure 10 is a schematic structural diagram of the positioning mechanism in an embodiment of the present invention;

Figure 11 is a schematic structural diagram of the clamping mechanism in one embodiment of the present invention;

Figure 12 is a schematic structural diagram of the rolling mechanism in one embodiment of the present invention;

Figure 13 is a schematic structural diagram of the pressing mechanism in an embodiment of the present invention;

Figure 14 is a schematic diagram of the layout of the blocking mechanism in an embodiment of the present invention;

Figure 15 is a schematic structural diagram of the material blocking mechanism in one embodiment of the present invention;

Figure 16 is a schematic diagram of the process of picking up steel bars in an embodiment of the present invention;

In the picture: 100-mobile silo, 101-silo, 102-driving device, 103-silo guide rail; 200-picking and conveying mechanism; 300-rebar;

201-Positioning mechanism, 20101-Positioning push plate, 20102-Fourth cylinder fixed plate, 20103-Fourth cylinder, 20104-Fixed seat, 20105-Sixth guide rail;

202-Rolling mechanism, 20201-First servo motor-reducer combination, 20202-Second servo motor-reducer combination, 20203-Bracket, 20204-First gear, 20205-First rack, 20206-Fourth guide rail , 20207-fifth guide rail, 20208-movable plate, 20209-third guide rail, 20210-rack mounting plate, 20211-third cylinder, 20212-wash plate, 20213-second gear, 20214-second rack;

203-Clamping mechanism, 20301-Linear module, 20302-Electric cylinder, 20303-Electric cylinder connection plate, 20304-Electric cylinder pad, 20305-Electric cylinder overhead zipper, 20306-First buffer pad, 20307-Clamp components;

204-picking mechanism, 20401-connecting plate, 20402-limiting ring, 20403-first cylinder, 20404-second buffer pad, 20405-linear bearing, 20406-side pull cylinder floating joint, 20407-side pull cylinder, 20408- The first cylinder floating joint, 20409-guide rod fixed plate, 20410-guide rod, 20411-electromagnet support plate, 20412-articulated seat, 20413-electromagnet, 20414-first cylinder fixed plate, 20415-limit rod;

205-pressing mechanism, 20501-fifth cylinder, 20502-roller support, 20503-pin, 20504-limiting plate, 20505-second guide wheel, 20506-driven rolling wheel;

206-First guide rail;

207-Second guide rail;

208-Rolling mechanism, 20801-Motor-reducer combination, 20802-Chain, 20803-Sprocket, 20804-First guide wheel, 20805-Active conveyor wheel, 20806-Conveyor channel, 20807-Rolling wheel;

209-material receiving mechanism, 20901-positioning column, 20902-material receiving rod, 20903-second cylinder fixed plate, 20904-second cylinder, 20905-roller;

210-Blocking mechanism, 21001-Baffle, 21002-Sixth cylinder;

211-framework.

Detailed ways

The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

It should be noted that the terms “first”, “second”, etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. Furthermore, the terms "first", "second", etc. are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in other sequences than illustrated or described herein.

Furthermore, the term "steel bar" refers to the steel bar raw material, i.e. the steel bar to be processed.

Referring to Figures 2 to 4, an embodiment of the present invention provides a device for accurately picking up multi-specification steel bars. The device includes a mobile bin 100 and a picking and conveying mechanism 200. The mobile bin 100 includes multiple bins 101, and each bin 101 is placed in the same position. Specifications of steel bars 300; the pick-up and conveyor mechanism 200 includes a frame 211, a pick-up mechanism 204, a material receiving mechanism 209, a rubbing mechanism 202, a positioning mechanism 201, a clamping mechanism 203 and a rolling mechanism 208, where: the frame 211 is the pick-up and conveyor mechanism 200 Provide support; the pick-up mechanism 204 is fixed on the top of the frame 211, and the pick-up mechanism 204 is used to pick up the steel bars 300 of the target specifications from the mobile silo 100; the material-receiving mechanism 209 is located below the picking-up mechanism 204, and the material-receiving mechanism 209 is used to cache the picking-up mechanism 204. of steel bars 300, one end of the material receiving mechanism 209 is the clamping position; the smoothing mechanism 202 is located on one side of the material receiving mechanism 209, and the smoothing mechanism 202 reciprocally smooths the stacked steel bars 300 on the material receiving mechanism 209 into a single layer arrangement ; The positioning mechanism 201 is located on one side of the material receiving mechanism 209 and away from the clamping position. The positioning mechanism 201 pushes the flattened steel bar 300 toward the clamping position in the direction perpendicular to the axial direction of the steel bar, so that the steel bars 300 are closely aligned from the clamping position. Arrangement; the clamping mechanism 203 is fixed on the frame 211 and is located above the material receiving mechanism 209. The clamping mechanism 203 clamps the steel bar 300 in the clamping position on the material receiving mechanism 209; the rolling mechanism 208 is fixed on the frame 211, The rolling mechanism 208 is used to transport the steel bars 300 clamped by the clamping mechanism 203 to the processing equipment.

In the embodiment of the present invention, the mobile bin 100 includes a plurality of bins 101 to place steel bar raw materials of different specifications. When the steel bars of different specifications need to be switched during the processing of steel bars, the remaining steel bars 300 on the material receiving mechanism 209 fall onto the original specifications of the steel bars. In the corresponding bin 101, the bin 100 is moved so that the bin 101 corresponding to the steel bar of the target specification is moved below the picking mechanism 204 for picking, thereby realizing the switching of picking and processing of steel bars of different specifications at any time. Through the interaction between the mobile silo 100, the material receiving mechanism 209, the rolling mechanism 202, the positioning mechanism 201, the clamping mechanism 203, the rolling mechanism 208, etc., batch efficient processing of steel bars of the same specification can be achieved, and Accurate picking of steel bars of multiple specifications.

The steel bar specifications are generally: 6 to 12 meters in length, Ф12 to Ф40mm in diameter. In order to place steel bars of different specifications to be processed at the same time, the mobile silo 100 has multiple parallel bins 101. Each bin 101 can place steel bar raw materials of the same specification. As shown in Figure 4, the mobile bin 100 includes six bins 101, and different bins 101 can place steel bar raw materials of the same or different specifications. Referring to Figures 4 and 5, the mobile silo 100 also includes a support frame, a silo guide rail 103 and a driving device 102. The support frame is installed below the multiple warehouse positions 101. The support frame is used to support the multiple warehouse positions 101. The support frame is configured to be able to Driven by the driving mechanism, it moves along the preset track; the bin guide rail 103 is fixed on the support frame and is located at the bottom of the mobile bin 100. The bin guide rail 103 is arranged along the length direction perpendicular to the bin 101; the driving device 102 is located on the mobile bin. At the bottom of the bin 100, the driving device 102 drives the bin 101 to move along the bin guide rails 103.

Referring to Figure 6, the pickup mechanism 204 includes a first cylinder fixed plate 20414, a first cylinder 20403, a limit rod 20415, a second buffer pad 20404, a guide rod fixed plate 20409, a guide rod 20410, an electromagnet 20413, etc., and the first cylinder is fixed The plate 20414 is fixed on the frame 211. Specifically, the first guide rail 206 is provided on the lower surface of the crossbeam of the frame 211, and the first cylinder fixing plate 20414 is installed on the first guide rail 206; the first cylinder 20403 is fixed on the first cylinder fixing plate 20414 on the top, the first cylinder rod of the first cylinder 20403 extends downward; the lower end of the limit rod 20415 passes through the first cylinder fixed plate 20414, and the upper end is connected to a connecting plate 20401. The connecting plate 20401 is fixed on the frame 211, and the limit rod 20415 is provided with a limit ring 20402, which is used to adjust the stroke of the first cylinder 20403; the second buffer pad 20404 is set on the limit rod 20415, and the second buffer pad 20404 is close to the upper surface of the first cylinder fixed plate 20414 On the surface, the first cylinder fixed plate 20414 is provided with a linear bearing 20405, the limit rod 20415 passes through the linear bearing 20405, the linear bearing 20405 guides the movement of the limit rod 20415, and the second buffer pad 20404 can prevent the limit ring 20402 Impact linear bearing 20405; guide rod fixed plate 20409 is connected to the end of the first cylinder rod through the first cylinder floating joint 20408. When the first cylinder rod moves downward, it pushes the guide rod fixed plate 20409 to move downward, and the lower end of the limit rod 20415 Fixed on the guide rod fixed plate 20409; the upper end of the guide rod 20410 is connected to the guide rod fixed plate 20409, and the guide rod fixed plate 20409 can move up and down along the guide rod 20410; in order to improve the connection reliability and ensure smooth and smooth movement, preferably, There are two limit rods 20415 and two guide rods 20410. The two limit rods 20415 are symmetrically arranged on both sides of the first cylinder 20403. The two guide rods 20410 are symmetrically arranged on the guide rod fixing plate 20409; the electromagnet 20413 Located at the lower end of the guide rod 20410, the electromagnet 20413 is used to absorb the steel bar 300.

In the above embodiment, a side-pull cylinder 20407 is provided on the side of the cylinder fixed plate. The side-pull cylinder 20407 is fixed to the cylinder fixed plate through the side-pull cylinder floating joint 20406, thereby fixing the side-pull cylinder 20407 to the frame 211. The side-pull cylinder rod of the cylinder 20407 pushes the picking mechanism 204 to move along the first guide rail 206, which can avoid interference between the steel bar 300 and the picking mechanism 204 when the clamping mechanism 203 clamps the steel bar 300. When the first cylinder rod of the first cylinder 20403 moves downward, it will drive the limit rod 20415 to move together. When the limit ring 20402 contacts the second buffer pad 20404, the first cylinder rod stops moving and is limited by the limit ring 20402. Different positions on the position rod 20415 can adjust the downward pushing stroke of the first cylinder rod, thereby adjusting the electromagnet 20413 to the initial position of the mobile silo 100. The guide rod 20410 passes through the guide rod 20410 fixed plate 20409 and the guide rod The fixed plate 20409 can slide along the guide rod 20410. When the position 101 of the mobile silo 100 is full of materials, the first cylinder 20403 of the pickup mechanism 204 moves downward so that the electromagnet 20413 contacts the uppermost steel bar 300, but at this time the first cylinder 20403 will not stop and will continue to push the guide rod fixed plate 20409 downward. At this time, neither the electromagnet 20413 nor the guide rod 20410 will move downward anymore, and the guide rod fixed plate 20409 will continue to move downward along the guide rod 20410. . The movement stops when the limit ring 20402 contacts the second buffer pad 20404. When there is only the last layer of steel bars 300 left in the mobile silo 100, the first cylinder 20403 will continue to move until the limit ring 20402 contacts the second buffer pad 20404. At this time, the electromagnet 20413 can still contact the surface of the steel bar 300 and attract the steel bar 300.

In some embodiments, the lower end of the guide rod 20410 is connected to the electromagnet support plate 20411, and the electromagnet 20413 is connected to the electromagnet support plate 20411 through the hinge seat 20412, as shown in Figure 7 . The hinge seat 20412 includes a rotation axis in the x direction and a rotation axis in the y direction, so that the hinge seat 20412 has two rotational degrees of freedom in the x direction and the y direction, so that the electromagnet 20413 can always maintain effective contact with the steel bar 300 .

In the above embodiment, when picking up steel bars, the mobile bin 100 is moved to the target position according to the requirements of processing steel bar specifications, so that the bin 101 corresponding to the steel bars of the target specifications is below the picking mechanism 204. The positioning method may be but is not limited to the moving material bin. Warehouse servo positioning, visual positioning of the suction mechanism, etc. In addition to the above-mentioned pickup method of electromagnet pickup, in some other embodiments, a pickup method of clamping claws can also be used, which is not specifically limited in the embodiment of the present invention.

Referring to Figure 8, the material receiving mechanism 209 includes a material receiving rod 20902, a second cylinder 20904 and a roller 20905. The clamping position is located at one end of the material receiving rod 20902. The steel bar 300 is placed perpendicular to the axial direction of the material receiving rod 20902; the second cylinder 20904 is fixed on the frame 211 through the second cylinder fixing plate 20903. The end of the second cylinder rod of the second cylinder 20904 is connected to the middle part of the material receiving rod 20902. The expansion and contraction direction of the second cylinder rod is perpendicular to the axial direction of the material receiving rod 20902; The entire material receiving mechanism 209 is fixed on the frame 211 through the second cylinder fixing plate 20903. The rollers 20905 are sleeved on both ends of the material receiving rod 20902. The rollers 20905 can roll or slide on the frame 211. Thus, material receiving can be realized. Stable and smooth movement of rod 20902. It should be noted that by providing sliders or guide bushes at both ends of the material receiving mechanism 209, stable and smooth movement of the material receiving rod 20902 can also be achieved.

When the pick-up mechanism 204 picks up the steel bar, the steel bar 300 is sucked up by the electromagnet 20413 of the pick-up mechanism 204 and lifted to a certain height. At this time, the cylinder rod of the second cylinder 20904 extends to push the receiving rod 20902 to move to the target position. At this time, the electromagnet Iron 20413 is powered off, and steel bar 300 falls on the receiving rod 20902.

When it is necessary to switch to steel bars of different specifications during the processing of steel bars, move the bin 101 of the steel bars of the target specification to below the picking mechanism 204 to pick up the steel bars 300. If there are still multiple steel bars of the current specification on the material receiving rod 20902, and steel bars of other specifications need to be replaced, the second cylinder 20904 of the material receiving mechanism 209 drives the material receiving rod 20902 to retract, so that the remaining steel bars 300 fall onto the original specification steel bars. In the corresponding bin 101, move the bin 100 again, so that the bin 101 corresponding to the steel bar of the target specification moves to the bottom of the picking mechanism 204 and then picks up, thereby realizing the switching of picking and processing of steel bars of different specifications at any time.

In the above embodiment, when the steel bars 300 fall on the material receiving rod 20902 and are stacked, they need to be smoothed by the smoothing mechanism 202 . Referring to Figure 9, the flattening mechanism 202 includes a bracket 20203, a guide rail, a movable plate 20208, a first servo motor-reducer combination 20201, a second servo motor-reducer combination 20202, a first gear 20204, a second gear 20213, a first The rack 20205, the third guide rail 20209, the second rack 20214, the third cylinder 20211 and the rubbing plate 20212, etc., the bracket 20203 is fixed on the frame 211; the guide rail is fixed on the bracket 20203, and the guide rail is set along the height direction of the rubbing mechanism 202 ; One side of the movable plate 20208 is fixed on the slider of the guide rail; In order to improve the connection stability and smooth movement of the movable plate 20208, preferably, the number of guide rails is two, and the two guide rails are arranged in parallel, as shown in Figure 9 The fourth guide rail 20206 of the first rack 20205 and the fifth guide rail 20207 located at the end of the movable plate 20208; the first servo motor-reducer combination 20201 and the second servo motor-reducer combination 20202 are both fixed on the movable plate 20208. The first servo motor-reducer combination 20201 is located below the second servo motor-reducer combination 20202; the first gear 20204 is connected to the output shaft of the second servo motor-reducer combination 20202; the second gear 20213 is connected to the first servo motor -The output shaft connection of the reducer assembly 20201; the first rack 20205 is set along the height direction of the flattening mechanism 202, the first rack 20205 is fixed on the bracket 20203 and cooperates with the first gear 20204; the third guide rail 20209 is set on On the other side of the movable plate 20208, the third guide rail 20209 is perpendicular to the guide rail. The slider of the third guide rail 20209 is provided with a rack mounting plate 20210; the second rack 20214 is fixed on the rack mounting plate 20210. 20214 is perpendicular to the first rack 20205, and the second rack 20214 and the second gear 20213 cooperate with each other; the third cylinder 20211 is fixed on the rack mounting plate 20210, and the third cylinder 20211 has a telescopic mechanism along the height direction of the rubbing mechanism 202 The third cylinder rod; the rubbing plate 20212 is installed at the end of the third cylinder rod, and the rubbing plate 20212 rubs the stacked steel bars 300 back and forth into a single-layer arrangement.

In some embodiments, the rubbing plate 20212 includes a flattening portion and a connecting portion that are perpendicular to each other. The thickness direction of the flattening portion is consistent with the axial direction of the steel bar 300. The flattening portion is located in the middle of one side of the connecting portion, and the other side of the connecting portion. One side is connected to the end of the third cylinder 20211. Because the air is compressible, the rubbing plate 20212 is installed at the end of the third cylinder rod and can be used as a buffer to prevent the servo motor from alarming due to excessive instantaneous resistance when pressing down and rubbing.

In the above embodiment, the thickness direction of the rubbing plate 20212 is consistent with the axial direction of the steel bars; because the steel bars have ribs, if the rubbing plate 20212 is close to the surface of the steel bars, scratches may easily occur when the steel bars are positioned and pushed. In order to prevent the flattened steel bars from For secondary stacking, the rubbing plate 20212 flattens the steel bars and maintains a preset distance from the upper surface of the steel bars to prevent the steel bars from being stacked twice and expose the steel bars at the clamping position on the material receiving mechanism 209. Preferably, the preset distance does not exceed half the diameter of the steel bar, generally 2 to 3 mm, which can effectively prevent the steel bar from being stacked twice when the steel bar positioning mechanism is in action, and can also prevent the second steel bar from being driven when the first steel bar is clamped. action.

In the above embodiment, through the first servo motor-reducer combination 20201 and the second servo motor-reducer combination 20202, the up, down, left and right movements of the rubbing plate 20212 are all controlled by servo, thereby meeting the use of steel bars of different specifications and sizes.

Using the above-mentioned rubbing mechanism, the rubbing action is as follows: after the third cylinder 20211 is ventilated, the third cylinder rod drives the rubbing plate 20212 to extend downward, and the second servo motor-reducer combination 20202 drives the first gear 20204 to rotate, so that it is installed on the movable The components on the plate 20208 slide down along the guide rail, so that the washing plate 20212 is in contact with the surface of the steel bar 300 with a certain pressure. At the same time, the first servo motor-reducer combination 20201 rotates to drive the second gear 20213 to rotate. , the drive rack mounting plate 20210 moves to the designated position with the third cylinder 20211 and the washing plate 20212. When the rubbing begins, the servo motor of the first servo motor-reducer combination 20201 drives the washing plate 20212 to reciprocate in forward and reverse directions, thereby making The stacked steel bars 300 are subjected to a downward pressing force and a reciprocating lateral extrusion force, ultimately causing the steel bars to form a single-layer arrangement.

In the embodiment of the present invention, the flattening mechanism 202 can adjust the steel bars 300 stacked on the material receiving mechanism 209 into a single layer by reciprocating left and right flattening, multiple vertical presses, beating, etc., to facilitate the clamping mechanism 203 to clamp. In some other embodiments, a flattening mechanism that uses vibration to flatten can also be used.

Continuing to refer to Figure 8, the end of the receiving rod 20902 close to the clamping position is provided with a positioning column 20901. The positioning column 20901 is used to position the steel bar 300 at the clamping position. The positioning column 20901 can be fixed to the clamping position by threading or welding. On the material receiving rod 20902; referring to Figure 10, the positioning mechanism 201 includes a fixed base 20104, a fourth cylinder 20103, a sixth guide rail 20105, a positioning push plate 20101, etc. The fixed base 20104 is fixed on the frame 211; the fourth cylinder 20103 passes through the fourth The cylinder fixed plate 20102 is fixed on the fixed base 20104, and the fourth cylinder 20103 is located above the fixed base 20104. The fourth cylinder 20103 has a fourth cylinder rod that telescopes along the axial direction perpendicular to the steel bar 300; the sixth guide rail 20105 is located on the fixed base. 20104, the length direction of the sixth guide rail 20105 is consistent with the telescopic direction of the fourth cylinder rod; one end of the positioning push plate 20101 is fixed on the slider of the sixth guide rail 20105, and the other end is fixed on the end of the fourth cylinder rod; positioning The push plate 20101 pushes the flattened steel bar 300 to the clamping position to the extrusion positioning column 20901.

In the embodiment of the present invention, the steel bars 300 are pushed to the target clamping position through the positioning mechanism 201, and the positioning mechanism 201 cooperates with the smoothing mechanism 202 to effectively prevent the steel bars 300 from being stacked twice during the positioning process.

Referring to Figure 11, the clamping mechanism 203 is fixed on the frame 211 through a linear module 20301. The linear module 20301 is arranged along the axial direction perpendicular to the steel bar 300 placed on the material receiving mechanism 209. In some embodiments, the clamping mechanism 203 It includes an electric cylinder 20302, an electric cylinder connecting plate 20303, an electric cylinder pad 20304, an electric cylinder overhead zipper 20305, a first buffer pad 20306 and a clamping jaw assembly 20307. The electric cylinder 20302 is connected to the linear module 20301 through the electric cylinder connecting plate 20303. On the top, the electric cylinder backing plate 20304 is located between the electric cylinder 20302 and the electric cylinder connecting plate 20303. The electric cylinder rod of the electric cylinder 20302 extends downward. The clamping jaw assembly 20307 is located at the end of the electric cylinder rod. The electric cylinder overhead zipper 20305 and the first buffer pad 20306 is provided on the electric cylinder rod. The target steel bar can be clamped by the clamping mechanism 203, and the steel bar 300 can be placed in the rolling area. Specifically, after the positioning of the steel bar 300 is completed, the clamping jaw assembly 20307 on the clamping mechanism 203 moves to the target position, and the steel bar 300 is clamped and sent to the rolling position. Since the positioned steel bars 300 are close to the positioning column 20901 of the material receiving rod 20902, the clamping position is relatively fixed, and the movement distance of the clamping mechanism 203 is the shortest.

Referring to Figure 12, the rolling mechanism 208 includes two sets of first guide wheels 20804, a motor-reducer combination 20801, a sprocket 20803, an active conveyor wheel 20805, a conveyor channel 20806, etc. The motor-reducer combination 20801 is installed on the frame 211; The sprocket 20803 is connected to the output shaft of the motor-reducer combination 20801; the active conveyor wheel 20805 is connected to the sprocket 20803 through the chain 20802; the active conveyor wheel 20805 rotates to introduce the steel bar 300 into the conveyor channel 20806, which is connected to the processing equipment for transportation The channel 20806 transports the steel bars to the processing equipment through the rotation of the roller 20807. Two sets of first guide wheels 20804 are respectively arranged at both ends of the rolling mechanism in the moving direction of the steel bar 300. Each set of first guide wheels 20804 includes two first guide wheels 20804 respectively located on both sides of the active conveyor wheel 20805; A space is formed between the first guide wheels 20804 for placing the steel bars 300 clamped by the clamping mechanism 203. The first guide wheels 20804 limit the movement of the steel bars 300 in a certain area, preventing the steel bars 300 from breaking away from the active conveying wheels 20805, and affecting the steel bars. Conveying plays a guiding role.

In the embodiment of the present invention, the steel bar 300 is clamped and placed between the two first guide wheels 20804 of the rolling mechanism 208. The motor-reducer combination 20801 of the rolling mechanism 208 drives the sprocket 20803 to drive the active conveyor wheel 20805. The steel bars 300 are sent to the conveying channel 20806 and entered into the processing equipment. The first guide wheels 20804 are set to be rotatable. By adjusting the distance between each set of first guide wheels 20804, the steel bar 300 can be accurately introduced into the conveying channel 20806. Specifically, the distance between the two first guide wheels 20804 is less than The width of the active conveyor wheel 20805, and the lower surface of the first guide wheel 20804 is lower than the surface of the active conveyor wheel 20805, thereby preventing the steel bar 300 from getting stuck in other areas and causing failure to convey. In addition, the distance between the two first guide wheels 20804 is smaller than the width of the conveying channel 20806, so that the steel bar 300 can be accurately fed into the conveying channel 20806.

In some embodiments, the picking and conveying mechanism 200 also includes a pressing mechanism 205 located above the rolling mechanism. Referring to Figure 13 , the pressing mechanism 205 includes a fifth cylinder 20501, a roller support 20502, and a second guide rail 207 , driven rolling wheel 20506, second guide wheel 20505, etc., the fifth cylinder 20501 is installed on the frame 211, the fifth cylinder 20501 has a fifth cylinder rod extending downward; the roller support 20502 is located on the fifth cylinder rod End; the second guide rail 207 is provided on the frame 211. The second guide rail 207 is provided along the height direction of the frame 211. The roller support 20502 is connected to the two second guide rails 207. The roller support 20502 is driven by the fifth cylinder 20501. Move along the second guide rail 207 so that the pressing mechanism 205 moves along the second guide rail 207; the driven rolling wheel 20506 is located in the roller support 20502, and the second guide wheel 20505 and the driven rolling wheel are both connected to the roller through the pin 20503. On the roller support 20502, the end of the pin 20503 is provided with a limit plate 20504 for restricting the movement of the pin 20503 along its axial direction. After the roller support 20502 descends, the driven rolling wheel 20506 presses the steel bar 300 and interacts with the active roller. The conveyor wheel 20805 cooperates to clamp and convey the steel bar 300; the second guide wheel 20505 is located in the roller support 20502 and plays a guiding role in the longitudinal conveyance of the steel bar 300.

In the embodiment of the present invention, the pressing mechanism 205 is located above the rolling position. The steel bars 300 are clamped and placed between the two first guide wheels 20804 of each group of the rolling mechanism 208. The pressing mechanism 205 compresses the steel bars. 300. Specifically, when the steel bar 300 is clamped and sent below the pressing mechanism 205, the fifth cylinder 20501 of the pressing mechanism 205 acts, and the driven rolling wheel 20506 will press the steel bar 300 and cooperate with the active conveying wheel 20805 to push it. The steel bar 300 is clamped and transported, and the active conveying wheel 20805 is installed on the frame 211. Driven by the active conveying wheel 20805, the steel bar 300 is transported to the next work station or processing equipment.

In the above embodiment, the rolling mechanism 208 adopts an up and down clamping and rolling method to deliver the steel bar 300 to the processing equipment or production line. In some other embodiments, other methods such as left and right clamping and rolling can also be used, as long as the same functions as above can be achieved.

When the clamping mechanism 203 clamps the first steel bar 300 (that is, the steel bar 300 at the clamping position) and starts conveying, if the remaining steel bars 300 on the receiving rod 20902 move in the conveying direction, the following results will occur: On the one hand, the moved steel bars 300 cannot enter the conveyor channel 20806 after being clamped, and cannot run according to the established route; on the other hand, if there are many steel bars 300 of the current specifications remaining but the model needs to be switched, the receiving rod 20902 is retracted and the remaining steel bars 300 are returned to the raw material bin. , but since the steel bar 300 has moved forward, it may exceed the edge of the silo, causing the steel bar 300 to be unable to enter the silo. In order to solve this problem, the picking and conveying mechanism 200 also includes a material blocking mechanism 210 located above the material receiving mechanism 209. The material blocking mechanism 210 is installed on the frame 211 and is located above the material receiving rod 20902. Its specific position is shown in Figure 14. . Referring to Figure 15, the blocking mechanism 210 includes a sixth cylinder 21002 and a baffle 21001. The sixth cylinder 21002 is fixed on the frame 211. The sixth cylinder 21002 has a sixth cylinder rod extending downward; the baffle 21001 is connected to the sixth cylinder rod. At the end of the cylinder rod, the baffle 21001 blocks the end of the steel bar 300 that is not clamped on the material receiving mechanism 209. When the steel bar 300 starts to be conveyed, the sixth cylinder rod of the blocking mechanism 210 extends, and the baffle 21001 will block the end of the receiving rod 20902 that has not clamped the steel bar 300 to prevent the steel bar 300 from being driven by the conveyed steel bar 300 when the steel bar 300 begins to be conveyed. The remaining steel bars 300 move longitudinally in the conveying direction.

Referring to Figure 16, the process of picking steel bars using the above-mentioned multi-specification steel bar precision picking device is as follows: steel bars 300 of different specifications are placed in different positions 101 of the mobile silo 100. When it is necessary to switch steel bars of different specifications, the mobile silo 100 moves to the target position. , the remaining steel bars 300 on the material receiving mechanism 209 fall into the bin 101 corresponding to the original specification steel bars, and the bin 101 corresponding to the target specification steel bars moves to the bottom of the picking mechanism 204. The picking mechanism 204 picks up the target specification steel bars 300, and the steel bars 300 are placed in the material receiving mechanism. The mechanism 209 and the flattening mechanism 202 adjust the steel bars 300 into a single layer and prevent secondary stacking. The positioning mechanism 201 positions the steel bars 300. The clamping mechanism 203 grabs the steel bars 300 and puts them to the rolling mechanism 208. The rolling mechanism 208 transports the steel bars 300. to processing equipment.

The multi-specification steel bar precise picking device provided by the above embodiments of the present invention can arbitrarily switch between different specifications of steel bars during picking by moving the silo and the picking and conveying mechanism, and can also pick up different specifications of steel bars according to a preset program. delivery. Through the interaction between the mobile silo, material receiving mechanism, rolling mechanism, positioning mechanism, clamping mechanism, rolling mechanism, etc., it is possible to achieve efficient batch processing of steel bars of the same specification, as well as accurate processing of steel bars of different specifications. Pick up.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above. Those skilled in the art can make various variations or modifications within the scope of the claims, which does not affect the essence of the present invention. The above preferred features can be used in any combination as long as they do not conflict with each other.

Claims (10)

1. A device for accurately picking up multiple specifications of steel bars, which is characterized in that it includes a mobile silo and a picking and conveying mechanism. The mobile silo includes multiple positions, and each of the positions places steel bars of the same specifications; the picking and conveying mechanism include: A frame that provides support for the pick-up and conveyor mechanism; A pick-up mechanism is fixed on the top of the frame, and the pick-up mechanism is used to pick up steel bars of target specifications from the mobile silo; A material receiving mechanism is located below the pickup mechanism. The material receiving mechanism is used to cache the steel bars picked up by the pickup mechanism. One end of the material receiving mechanism is a clamping position; A flattening mechanism is located on one side of the material receiving mechanism. The flattening mechanism reciprocally flattens the steel bars stacked on the material receiving mechanism into a single layer arrangement; The positioning mechanism is located on one side of the material receiving mechanism and away from the clamping position. The positioning mechanism pushes the flattened steel bar toward the clamping position in the direction perpendicular to the axial direction of the steel bar, so that the steel bar moves from the The clamping positions are arranged closely in sequence; A clamping mechanism is fixed on the frame and located above the material receiving mechanism, and the clamping mechanism clamps the steel bar on the material receiving mechanism at the clamping position; A rolling mechanism is fixed on the frame. The rolling mechanism is used to transport the steel bars clamped by the clamping mechanism to the processing equipment. 2. The multi-specification steel bar precise picking device according to claim 1, characterized in that the mobile silo further includes: A support frame is provided below a plurality of the warehouse positions, and the support frame is used to support a plurality of the warehouse positions; Bin guide rails, fixed on the support frame and located at the bottom of the mobile bin, are arranged along the length direction perpendicular to the bin position; A driving device is provided at the bottom of the mobile silo, and the driving device drives the silo to move along the silo guide rail. 3. The multi-specification steel bar precise picking device according to claim 1, characterized in that the picking mechanism includes: The first cylinder fixing plate is fixed on the frame; The first cylinder is fixed on the first cylinder fixing plate, and the first cylinder rod of the first cylinder extends downward; The lower end of the limit rod passes through the first cylinder fixed plate, and the upper end is connected to a connecting plate. The connecting plate is fixed on the frame. The limit rod is provided with a limit ring. The limit ring is To adjust the stroke of the first cylinder; A second buffer pad is set on the limiting rod, and the second buffer pad is close to the upper surface of the first cylinder fixed plate; A guide rod fixing plate is connected to the end of the first cylinder rod, and the lower end of the limit rod is fixed on the guide rod fixing plate; The upper end of the guide rod is connected to the guide rod fixed plate, and the guide rod fixed plate can slide along the guide rod; An electromagnet is provided at the lower end of the guide rod, and the electromagnet is used to absorb steel bars. 4. The device for accurately picking up multiple specifications of steel bars according to claim 3, characterized in that the lower end of the guide rod is connected to an electromagnet support plate, and the electromagnet is connected to the electromagnet support plate through a hinge seat. The hinge base includes a rotation axis in the x direction and a rotation axis in the y direction, and the hinge base has rotational degrees of freedom in the x direction and the y direction. 5. The multi-specification steel bar precise picking device according to claim 1, characterized in that the material receiving mechanism includes: Material receiving rod, the clamping position is located at one end of the material receiving rod, and the steel bar is placed perpendicular to the axial direction of the material receiving rod; The second cylinder is fixed on the frame. The end of the second cylinder rod of the second cylinder is connected to the middle part of the material receiving rod. The expansion and contraction direction of the second cylinder rod is consistent with the axial direction of the material receiving rod. vertical; Rollers are sleeved on both ends of the material receiving rod. 6. The multi-specification steel bar precise picking device according to claim 1, characterized in that the flattening mechanism includes: Bracket, fixed on the frame; Guide rails are fixed on the bracket, and the guide rails are arranged along the height direction of the flattening mechanism; A movable plate, one side of which is fixed on the slider of the guide rail; The first servo motor-reducer combination and the second servo motor-reducer combination are both fixed on the movable plate, and the first servo motor-reducer combination is located below the second servo motor-reducer combination. ; A first gear, the first gear is connected to the output shaft of the second servo motor-reducer combination; a second gear connected to the output shaft of the first servo motor-reducer combination; A first rack is arranged along the height direction of the flattening mechanism, the first rack is fixed on the bracket and cooperates with the first gear; A third guide rail is provided on the other side of the movable plate, the third guide rail is perpendicular to the guide rail, and a rack mounting plate is provided on the slider of the third guide rail; A second rack is fixed on the rack mounting plate, the second rack is perpendicular to the first rack, and the second rack cooperates with the second gear; A third cylinder, fixed on the rack mounting plate, having a third cylinder rod that telescopes along the height direction of the flattening mechanism; A rubbing plate is installed at the end of the third cylinder rod. 7. The device for accurately picking up multiple specifications of steel bars according to claim 5, characterized in that a positioning post is provided on the end of the material receiving rod close to the clamping position, and the positioning post is used to position the material at the The steel bar at the clamping position; the positioning mechanism includes: A fixed base, fixed on the frame; A fourth cylinder is fixed on the fixed base, the fourth cylinder is located above the fixed base, and the fourth cylinder has a fourth cylinder rod that telescopes in an axial direction perpendicular to the steel bar; A sixth guide rail is provided on the lower surface of the fixed seat, and the length direction of the sixth guide rail is consistent with the expansion and contraction direction of the fourth cylinder rod; The positioning push plate has one end fixed on the slide block of the sixth guide rail and the other end fixed on the end of the fourth cylinder rod; the positioning push plate pushes the flattened steel bar to the clamping position until it is squeezed. Press the positioning post. 8. The multi-specification steel bar precise picking device according to claim 1, characterized in that the rolling mechanism includes: A motor-reducer combination is installed on the frame; A sprocket connected to the output shaft of the motor-reducer combination; The active conveying wheel is connected to the sprocket through a chain; Two sets of first guide wheels are respectively arranged at both ends of the rolling mechanism in the direction of movement of the steel bars. Each set of first guide wheels includes two first guide wheels respectively located on both sides of the active conveyor wheel; A space for placing steel bars is formed between the first guide wheels and plays a guiding role in conveying steel bars; Conveying channel, the active conveying wheel rotates to guide the steel bars into the conveying channel. 9. The device for accurately picking up multiple specifications of steel bars according to claim 8, wherein the picking and conveying mechanism further includes a pressing mechanism, the pressing mechanism is located above the rolling mechanism, and the pressing mechanism includes : a fifth cylinder installed on the frame, the fifth cylinder having a fifth cylinder rod extending downward; A roller support is located at the end of the fifth cylinder rod; A second guide rail is provided on the frame, the second guide rail is provided along the height direction of the frame, and the roller support moves along the second guide rail driven by the fifth cylinder; The driven rolling wheel is located in the roller support. After the roller support is lowered, the driven rolling wheel presses the steel bar and cooperates with the active conveying wheel to clamp and transport the steel bar; The second guide wheel is provided in the roller support, and the second guide wheel plays a guiding role in the longitudinal transportation of steel bars. 10. The device for accurately picking up multiple specifications of steel bars according to claim 1, characterized in that the picking and conveying mechanism further includes a material blocking mechanism located above the material receiving mechanism, and the material blocking mechanism includes: a sixth cylinder, fixed on the frame, the sixth cylinder having a downwardly extending sixth cylinder rod; The baffle is connected to the end of the sixth cylinder rod, and the baffle blocks the end of the steel bar that is not clamped on the material receiving mechanism.