Automatic feeding and stacking mechanism for steel pipe hot-dip galvanizing pretreatment

Abstract

The application discloses a steel pipe hot-dip galvanizing pretreatment automatic feeding and stacking mechanism in the technical field of steel pipe processing, which comprises a first conveyor, a supporting frame, a chain, a chain wheel transmission cooperation, a lifting clamping mechanism, a second conveyor, a self-weight material blocking mechanism, a movable trolley and a safety fence. The steel pipe hot-dip galvanizing pretreatment automatic feeding and stacking mechanism can reduce the number of workers and labor intensity required for steel pipe hot-dip galvanizing pretreatment feeding, and can complete the whole feeding section work by only one or two persons. The steel pipe hot-dip galvanizing pretreatment automatic feeding and stacking mechanism can improve pickling feeding speed and meet the need of larger capacity of steel pipe hot-dip galvanizing.

Description

Technical Field

[0001] This invention relates to the field of steel pipe processing technology, specifically to an automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes. Background Technology

[0002] Currently, domestic steel pipe hot-dip galvanizing manufacturers typically use manual operation for pre-pickling feeding, which has problems such as uneven placement, high labor intensity for workers, easy damage to pipe fittings, and operation speed that cannot keep up with the pickling speed.

[0003] Frequent personnel operation in the material loading area poses a safety hazard. Therefore, we propose an automatic material loading and stacking mechanism for the pretreatment of hot-dip galvanized steel pipes. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic feeding and stacking mechanism for the pretreatment of hot-dip galvanized steel pipes, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes, comprising,

[0006] The No. 1 conveyor includes a support frame, on which a chain is mounted. The chain is driven by a sprocket, and the sprocket is connected to a motor via a drive shaft and a coupling.

[0007] A lifting and clamping mechanism is located at the front end of the No. 1 conveyor;

[0008] Conveyor No. 2, which has the same structure as Conveyor No. 1;

[0009] The self-weight material blocking mechanism is located between conveyor No. 1 and conveyor No. 2;

[0010] A mobile material cart, which is located at the front end of the No. 2 conveyor;

[0011] A safety fence is installed around the aforementioned institution to provide protection.

[0012] Furthermore, the lifting and clamping mechanism includes a mounting base plate, on which lifting cylinders are vertically arranged opposite each other. The top of the lifting cylinder is connected to a guide rail, and a guide shaft is provided on one side of the lifting cylinder.

[0013] Furthermore, two sets of clamping jaws are slidably provided on the guide rail, and the clamping jaws are connected to each other by a clamping cylinder.

[0014] Furthermore, the self-weight material blocking mechanism includes a frame, on which a horizontal suspension rod is provided, with lifting screws threaded through both ends of the horizontal suspension rod, and a gravity swing rod symmetrically provided at the bottom end of the horizontal suspension rod.

[0015] Furthermore, the mobile material cart includes a rectangular base frame, with guide rails on both sides of the inner wall of the rectangular base frame, a movable support slidingly mounted on the guide rails, and a reduction motor mounted on the movable support.

[0016] Furthermore, the geared motor is connected to a gear rack via a transmission structure, and the rack structure in the gear rack is fixedly mounted on a rectangular base frame.

[0017] Furthermore, the rectangular base frame is symmetrically provided with material blocking brackets on both sides of the front end, and there is a through-beam sensor above the material blocking bracket, and the material blocking bracket is vertically arranged.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This invention reduces the number of workers and labor intensity required for feeding steel pipes before hot-dip galvanizing. The automatic feeding and stacking mechanism for steel pipes before hot-dip galvanizing only requires one to two people to complete the entire feeding section, reducing the number of workers and labor intensity, and improving production efficiency.

[0020] 2. The automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes of the present invention improves the feeding speed of pickling, meets the need for greater production capacity of hot-dip galvanized steel pipes, has a high degree of automation, and has a reasonable structure. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a side view of the structure of the present invention;

[0023] Figure 3 This is a top view of the structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the conveyor structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the lifting and clamping mechanism of the present invention;

[0026] Figure 6 This is a schematic diagram of the self-weight material-blocking mechanism of the present invention;

[0027] Figure 7 This is a schematic diagram of the mobile material cart structure of the present invention.

[0028] In the diagram: 100, Conveyor No. 1; 101, Support frame; 102, Chain; 103, Sprocket; 104, Drive shaft and coupling; 105, Motor; 200, Lifting and clamping mechanism; 201, Mounting base plate; 202, Lifting cylinder; 203, Guide shaft; 204, Guide rail; 205, Clamping jaws; 206, Clamping cylinder; 300, Conveyor No. 2; 400, Self-weight material blocking mechanism; 401, Frame; 402, Horizontal lifting rod; 403, Lifting screw; 404, Gravity swing arm; 500, Moving material cart; 501, Rectangular base frame; 502, Moving support; 503, Guide rail; 504, Gear and rack; 505, Gear motor; 506, Transmission structure; 507, Material blocking support; 600, Safety fence.

[0029] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] This invention provides an automatic feeding and stacking mechanism for steel pipes before hot-dip galvanizing, comprising:

[0032] The first conveyor 100 includes a support frame 101, on which a chain 102 is provided. The chain 102 is driven by a sprocket 103. The sprocket 103 is connected to a motor 105 through a drive shaft and a coupling 104. The first conveyor 100 and the second conveyor 300 complete the material conveying operation.

[0033] The lifting and clamping mechanism 200 is designed to facilitate manual untying of the steel pipe slings. It has a simple structure, is easy to install, improves work efficiency, and reduces the labor intensity of workers. The lifting and clamping mechanism 200 is located at the front end of the No. 1 conveyor 100.

[0034] The working process of the lifting and clamping mechanism 200: The material moves from the No. 1 conveyor 100. There is a height difference between the No. 1 conveyor 100 and the No. 2 conveyor 300. When a bundle of steel pipes falls from the No. 1 conveyor 100 to the No. 2 conveyor 300, the No. 1 conveyor 100 and the No. 2 conveyor 300 stop moving. The position of the steel pipe is between the clamping jaws 205 on both sides of the lifting and clamping mechanism 200. At this time, the lifting cylinder 202 in the lifting and clamping mechanism 200 is activated to lift the bundle of steel pipes away from the No. 2 conveyor 300. After being lifted into position, the clamping cylinder 206 is activated to clamp the bundle of steel pipes. After the steel pipes are clamped, they retract, and the binding straps at both ends can be easily removed from both ends. Then the clamping cylinder 206 is released, the lifting cylinder 202 descends, and the bundled steel pipes are spread out and laid on the No. 2 conveyor 300, completing the unpacking of the steel pipes.

[0035] Conveyor No. 2 300 has the same structure as Conveyor No. 1 100;

[0036] The self-weight material blocking mechanism 400 is located between the No. 1 conveyor 100 and the No. 2 conveyor 300.

[0037] The working process of the self-weight obstructing mechanism 400: When the steel pipe is conveyed from the second conveyor 300, it may become skewed. When the steel pipe is skewed, one end will first hit the gravity swing arm 404. At this time, the resistance of this end of the steel pipe is relatively large, and it is difficult to move forward. The other end can continue to move forward under the conveyor. When both ends of the steel pipe hit the gravity swing arm 404, the steel pipe will roll over the gravity swing arm 404 under the drive of the conveyor, which plays a role in automatically aligning the steel pipe. In order to accommodate steel pipes of different diameters, the number of lifting screws 403 and gravity swing arms 404 is adjusted to meet the needs of different pipe diameters.

[0038] Mobile material cart 500 is located at the front end of conveyor 300 of No. 2;

[0039] The working process of the mobile material cart 500: Steel pipes are conveyed from the second conveyor 300 and fall into the material blocking bracket 507. One side of the material blocking bracket 507 is fixed, and the other side moves backward under the drive of the reduction motor 505. The material blocking brackets 507 are very close at the beginning, and the steel pipes fall into the material blocking bracket 507. When several steel pipes are piled up in the material blocking bracket 507, there is a through-beam sensor (not shown in the figure) above the material blocking bracket 507. When the material is full, the reduction motor 505 is activated, which moves one side of the material blocking bracket 507 backward. The distance of movement is the diameter of one steel pipe. After the material blocking bracket 507 moves, the space inside the two material blocking brackets 507 increases, and the steel pipes will fill the gaps. The height decreases, and the front conveyor continues to drop. After it is full, the bracket continues to move backward.

[0040] This system can accommodate three or four bundles of steel pipes being fed together, meeting the production requirement of 60 tons per hour.

[0041] Safety fence 600 is installed around the aforementioned institution to provide protection.

[0042] The lifting and clamping mechanism 200 includes a mounting base plate 201, on which a lifting cylinder 202 is vertically mounted. The top of the lifting cylinder 202 is connected to the guide rail 204, and a guide shaft 203 is provided on one side of the lifting cylinder 202.

[0043] Two sets of clamping jaws 205 are slidably mounted on the guide rail 204, and the clamping jaws 205 are connected to each other by a clamping cylinder 206.

[0044] The self-weight material blocking mechanism 400 includes a frame 401, a horizontal suspension rod 402 on the frame 401, lifting screws 403 threaded through both ends of the horizontal suspension rod 402, and gravity swing rods 404 symmetrically provided at the bottom end of the horizontal suspension rod 402.

[0045] The mobile material cart 500 includes a rectangular base frame 501. Guide rails 503 are provided on both sides of the inner wall of the rectangular base frame 501. A movable support 502 is slidably mounted on the guide rails 503. A reduction motor 505 is mounted on the movable support 502.

[0046] The geared motor 505 is connected to the gear rack 504 through the transmission structure 506, and the rack structure in the gear rack 504 is fixed on the rectangular base frame 501.

[0047] The rectangular base frame 501 has symmetrical material blocking brackets 507 on both sides of its front end, and the material blocking brackets 507 are vertically arranged.

[0048] Implementation process: Operators use manual overhead crane hooks to lift bundles of steel pipes from the storage area. Multiple bundles are lifted at a time. The weight of each bundle varies depending on the diameter of the steel pipe. 3-4 bundles can be lifted at a time to meet the pickling production requirements. The lifted bundles are then placed directly onto conveyor No. 1.

[0049] 2. There is a detection switch on the No. 1 conveyor 100. When it is detected that the material has been manually hoisted and placed, the No. 1 conveyor 100 will start feeding.

[0050] 3. When the first bag of material rolls from conveyor 100 to conveyor 2300, the photoelectric switch detects that the material has arrived, the lifting and clamping mechanism 200 starts to work, the lifting cylinder 202 lifts it up, and the clamping jaws 205 on both sides clamp the bag of material. The manual person removes the nylon straps from both ends of the steel pipe.

[0051] 4. After manually confirming that the strapping has been removed, press the start button. The lifting and clamping mechanism 200 will begin to fall, and a bundle of steel pipes will be laid out in a scattered state above the No. 2 conveyor 300. The No. 2 conveyor 300 will then begin to work.

[0052] 5. To prevent the steel pipes from folding, the self-weight material blocking mechanism 400 has a gravity swing arm 404 to allow the steel pipes to slowly fall into the moving material cart 500 in single or double layers. When the moving material cart 500 detects that it is full, it automatically moves back one step until the entire bag of material has fallen. Then, the No. 1 conveyor 100 starts and repeats the above process until all three bags of material have fallen onto the moving material cart 500. The three bags of material are then manually hoisted into the pickling room with nylon slings for pickling.

[0053] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0054] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes, characterized in that: include, The No. 1 conveyor (100) includes a support frame (101), on which a chain (102) is provided. The chain (102) is driven by a sprocket (103), and the sprocket (103) is connected to a motor (105) through a drive shaft and a coupling (104). A lifting and clamping mechanism (200) is provided at the front end of the first conveyor (100); Conveyor No. 2 (300) has the same structure as Conveyor No. 1 (100); Mobile material cart (500), the mobile material cart (500) is located at the front end of the second conveyor (300); The self-weight material blocking mechanism (400) is located between the second conveyor (300) and the mobile material car (500); A safety fence (600) is installed around the perimeter of the aforementioned institution to provide protection. The lifting and clamping mechanism (200) includes a mounting base plate (201), on which lifting cylinders (202) are vertically opposite each other. The top of the lifting cylinder (202) is connected to the guide rail (204), and a guide shaft (203) is provided on one side of the lifting cylinder (202). Two sets of clamping jaws (205) are slidably provided on the guide rail (204), and the clamping jaws (205) are connected to each other by a clamping cylinder (206); The self-weight material blocking mechanism (400) includes a frame (401), a horizontal suspension rod (402) is provided on the frame (401), a lifting screw (403) is threaded through both ends of the horizontal suspension rod (402), and a gravity swing rod (404) is symmetrically provided at the bottom end of the horizontal suspension rod (402).

2. The automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes according to claim 1, characterized in that: The mobile material cart (500) includes a rectangular base frame (501), with guide rails (503) on both sides of the inner wall of the rectangular base frame (501), and a movable bracket (502) slidably mounted on the guide rails (503), and a reduction motor (505) mounted on the movable bracket (502).

3. The automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes according to claim 2, characterized in that: The geared motor (505) is connected to the gear rack (504) through the transmission structure (506), and the rack structure in the gear rack (504) is fixed on the rectangular base frame (501).

4. The automatic feeding and stacking mechanism for pretreatment of hot-dip galvanized steel pipes according to claim 3, characterized in that: The rectangular base frame (501) has symmetrical material blocking brackets (507) on both sides of its front end. There is a beam sensor above the material blocking bracket (507), and the material blocking bracket (507) is vertically arranged.

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