A high wear-resistant forged chain for a boiler slag discharger and a friction welding knitting process

Abstract

An embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process. The base material is heated and then forged to obtain a forged ring, wherein the cross-section of the forged ring is rectangular; a part of the forged ring is cut along the width direction to obtain semi-rings with twice the number of the part of the forged ring; through a knitting friction welding device, the forged rings and the semi-rings are alternately distributed, and two semi-rings with opposite openings are friction welded into a welded ring, and the forged rings and the welded rings are alternately distributed to form a chain. Compared with the traditional direct bending and forming of a bar stock, the forged ring has higher material strength and a denser internal tissue structure, thereby improving the overall load-bearing capacity and service life of the chain; the cross-sectional shape of the link is rectangular, and at the contact part of adjacent links, the contact part is a surface contact, increasing the contact area and reducing the contact stress, which can effectively slow down the wear of the carburized layer and improve the service life of the chain.

Description

Technical Field

[0001] The present application relates to the field of mining chains, and particularly to a highly wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process. Background Art

[0002] In industrial production, the slag discharger, as an important device, is widely used in various occasions where solid waste needs to be processed. One of the core components of the slag discharger is its drive chain, which not only bears the heavy responsibility of power transmission but also directly determines the operating efficiency and stability of the slag discharger. In order to improve the durability of the chain and extend its service life, the surface treatment technology of the chain is particularly important.

[0003] Carburizing treatment is a commonly used metal surface strengthening technology. By heating the chain in a carburizing medium, carbon atoms penetrate into the surface layer of the chain, thereby improving the surface hardness and wear resistance of the chain. This treatment method has been widely applied to the slag discharger chain, aiming to enhance the physical properties of the chain surface to resist damage caused by friction and wear during use, and thus achieve the purpose of extending the overall service life of the chain.

[0004] However, the currently commonly used chain type for slag dischargers is the round-link chain. Although the design of the round-link chain is simple and easy to manufacture, the cross-section of its chain links is circular, resulting in only line contact at the contact points between the chain links. This line contact method makes the contact stress relatively concentrated, easily causing rapid wear of the carburized layer. Once the carburized layer is worn off, the wear resistance of the chain will drop significantly, and the wear rate will accelerate, thus seriously shortening the service life of the chain.

[0005] In addition, the line contact method of the round-link chain may also cause relatively large noise and vibration during the operation of the chain, which not only affects the running smoothness of the slag discharger but also may cause additional load and damage to the overall structure of the equipment. Therefore, although carburizing treatment has improved the wear resistance of the chain to a certain extent, the inherent defects of the round-link chain still limit its performance and service life in practical applications.

[0006] In summary, how to improve the surface treatment technology and optimize the chain structure while maintaining the strength and transmission efficiency of the chain to further enhance the wear resistance and service life of the slag discharger chain is a technical problem that urgently needs to be solved at present. Summary of the Invention

[0007] The embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process. After cutting the forged rings, they are re-welded into one body by friction welding and connected to two other forged rings to form a chain. The cross-section of each chain link is rectangular, which solves the problems existing in the existing round-link chain and improves the strength of the chain link.

[0008] On the one hand, an embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger and a friction welding knitting process, including:

[0009] The base material is heated and then forged to obtain a forged ring, wherein the cross-section of the forged ring is rectangular;

[0010] Part of the forged ring is cut along the width direction to obtain twice the number of half rings of the part of the forged ring;

[0011] The forged ring and the half rings are alternately distributed by a knitting friction welding device, and two half rings with opposite openings are friction welded into a welded ring, and the forged ring and the welded ring are alternately distributed to form a chain;

[0012] The chain is carburized.

[0013] In a feasible implementation manner, the step of heating the base material and then forging to obtain a forged ring includes heating the base material to a preset temperature and then forging it through a mold to obtain an integrally structured forged ring.

[0014] In a feasible implementation manner, the step of cutting part of the forged ring along the width direction to obtain twice the number of half rings of the part of the forged ring includes cutting each forged ring of the part of the forged ring along the width direction on the equidistant line in the length direction to obtain two corresponding half rings, wherein the lengths of the two half rings are the same.

[0015] In a feasible implementation manner, the knitting friction welding device includes a first fixture and a second fixture, and the first fixture and / or the second fixture is connected with a vibration device;

[0016] A transmission chain is arranged between the first fixture and the second fixture, the transmission chain is connected with a first sprocket and a second sprocket, the first sprocket is located inside the transmission chain, the second sprocket is located outside the transmission chain, and the transmission chain is in a U shape;

[0017] Two moving seats are fixedly installed on the transmission chain, a sliding groove is formed on one side of the moving seat, both ends of the sliding groove are open, a conductive surface is laid on the inner wall of the sliding groove, an electric telescopic rod perpendicular to the moving seat is fixedly installed on the moving seat, the electric telescopic rod is electrically connected with the corresponding conductive surface, and the movable end of the electric telescopic rod is fixedly connected with one end of a support rod;

[0018] Two fixed seats are arranged between the first fixture and the second fixture, the fixed seats are fixedly connected with the first fixture or the second fixture, a conductive block is fixedly installed on one side of the fixed seats, the conductive block is electrically connected with an electric control device, the conductive block can pass through the sliding groove, and when the conductive block is located in the sliding groove, the conductive block contacts the sliding groove;

[0019] A pallet is provided between the first fixture and the second fixture. The pallet is fixedly connected to the first fixture or the second fixture, and the pallet is perpendicular to the first fixture or the second fixture. A conveying device is arranged on the pallet.

[0020] In a feasible implementation manner, the conveying device is a belt conveying device. The belt conveying device is connected with a power device, and a baffle is fixedly installed on the outer periphery of the conveyor belt of the belt conveying device.

[0021] A strip-shaped groove is formed at the bottom of the pallet. The strip-shaped groove communicates the inside and outside of the pallet, and the baffle passes through the strip-shaped groove.

[0022] In a feasible implementation manner, the conveying device includes two belt conveying devices. The two belt conveying devices are connected by a universal coupling. One of the belt conveying devices is connected with the power device, and a baffle is fixedly installed on the outer periphery of the conveyor belt of each belt conveying device.

[0023] Two mutually parallel strip-shaped grooves are formed at the bottom of the pallet. The baffle of each belt conveying device passes through the corresponding strip-shaped groove.

[0024] In a feasible implementation manner, both ends of the chute and both ends of the conductive block are chamfered.

[0025] In a feasible implementation manner, the pallet is of a U-shaped structure.

[0026] On the other hand, an embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger, which includes alternately distributed forged rings and welded rings. The chain is woven by the above-mentioned chain weaving process.

[0027] A high wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process provided by an embodiment of the present application. The forged ring is integrally formed. Compared with the traditional direct bending of bar stock, the forged ring has higher material strength and a denser internal organizational structure, thus improving the overall load-bearing capacity and service life of the chain. The welded ring formed by linear friction welding uses the mutual friction between two half rings to generate frictional heat. After reaching the preset temperature, the cutting surfaces of the two half rings are aligned, and upsetting pressure perpendicular to the cutting surface direction is applied to the half rings. The metal at the cutting surface diffuses and recrystallizes with each other and finally becomes an integral body. Compared with flash welding, it has higher strength, a compact structure, and there will be no defects such as burns and cracks on the surface of the chain link, nor will there be any phenomenon of false welding. After the cutting part of the forged ring is a half ring, the alternating distribution of the forged ring and the welded ring is realized through a knitting friction welding device. This process greatly improves the production efficiency compared with traditional manual chain knitting and welding. The cross-sectional shape of the chain link is rectangular. At the contact part of adjacent chain links, the contact part is surface contact, which increases the contact area and reduces the contact stress, can effectively slow down the wear of the carburized layer, and improves the service life of the chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic flow chart of a high wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process provided by an embodiment of the present application;

[0029] Figure 2 is a schematic structural diagram of a knitting friction welding device provided by an embodiment of the present application;

[0030] Figure 3 is a schematic diagram of the use state of a transmission chain and a support plate provided by an embodiment of the present application;

[0031] Figure 4 is a schematic diagram of the use state of a transmission chain provided by another embodiment of the present application;

[0032] Figure 5 is Figure 3 a schematic diagram of the cooperation state of a conductive block and a sliding groove in;

[0033] Figure 6 is Figure 3 a schematic side view of a moving seat and a fixed seat in;

[0034] Figure 7 is a schematic diagram of the friction welding of a half ring;

[0035] Figure 8 is a schematic diagram of the cooperation state of a forged ring and a half ring;

[0036] Figure 9 is a schematic diagram of the structure of a chain.

[0037] Description of the reference numerals:

[0038] 100-base; 200-column; 300-upsetting column; 400-vibration slide; 500-vibration fixture; 600-vibration cylinder; 700-upsetting slide; 800-upsetting fixture; 900-upsetting cylinder;

[0039] 110-vibration-damping support member; 111-vibration-damping pad; 112-support member;

[0040] 1-transmission chain; 2-first sprocket; 3-second sprocket; 4-moving seat; 5-slide; 6-electric telescopic rod; 7-support rod; 8-fixed seat; 9-conductive block; 10-support plate; 11-belt conveyor; 12-push plate; 13-strip groove; 14-universal coupling;

[0041] 20-forged ring; 30-welded ring; 310-half ring. DETAILED DESCRIPTION

[0042] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0043] The following is an explanation of the terms used in the embodiments of the present application.

[0044] Linear friction welding: an advanced welding process. During the welding process, two welded parts in contact with each other, one of which moves back and forth in a straight line relative to the other welded part with a certain amplitude and frequency, and generates friction heat. When the temperature and deformation of the friction welding zone reach a certain level, the welded parts are aligned and top forging pressure is applied. The metals in the welding zone are welded together through mutual diffusion and recrystallization, completing the entire welding process.

[0045] Chain link: The basic unit that makes up the aforementioned chain, usually in the shape of a "long ring". Multiple chain links can form a chain according to certain processing methods and placement rules.

[0046] Forging ring: A processing technology for chain rings, which is to heat the metal and then use a mold to forge a chain ring with an appearance size and performance that meets the technical requirements. It has the advantage of high strength.

[0047] Welding ring: A processing technology for chain rings, which is to weld the originally open components into a closed ring structure by welding. Its external dimensions and performance must meet the technical requirements.

[0048] Flash welding: A typical resistance welding method that utilizes the heat generated at the contact surfaces of two butt-jointed workpieces when current passes through them. The contact surfaces are heated and melted, and after an appropriate time, pressure is applied to the joint to firmly bond the entire area of the two butt surfaces simultaneously, completing the entire welding process.

[0049] Currently, for the chains used in boiler slag dischargers, after a bar stock is bent into a ring, the ports of the bent chain links are welded by flash welding. The weld joint structure is loose, difficult to withstand high loads, and there may be problems such as surface burns, cracks, and false welding.

[0050] Figure 1 It is a schematic flow chart of a high wear-resistant forged chain for a boiler slag discharger and a friction welding manufacturing process provided by an embodiment of the present application; Figure 2 It is a schematic structural diagram of a friction welding device provided by an embodiment of the present application; Figure 3 It is a schematic diagram of the usage state of a transmission chain and a support plate provided by an embodiment of the present application; Figure 4 It is a schematic diagram of the usage state of a transmission chain provided by another embodiment of the present application; Figure 5 is Figure 3 a schematic diagram of the cooperation state of the conductive block and the sliding groove in Figure 6 is Figure 3 a schematic side structure diagram of the moving seat and the fixed seat in. To solve the above problems, referring to Figures 1 to 6 as shown in

[0051] S100, heat the base material and then perform forging to obtain a forged ring 20, wherein the cross-section of the forged ring 20 is rectangular.

[0052] In some examples, the above step S100 further includes: heating the base material to a preset temperature and then performing forging through a mold to obtain an integral forged ring 20.

[0053] It should be noted that after step S100, chamfer the corners of the forged ring 20 to reduce the sharpness of the corners of the forged ring 20.

[0054] S200, cut a part of the forged ring 20 along the width direction to obtain semi-rings 310 with twice the number of the part of the forged ring 20.

[0055] In some examples, the above step S200 further includes: cutting each forged ring 20 of a part of the forged ring 20 along the width direction on the equidistant line in the length direction to obtain two corresponding semi-rings 310, wherein the lengths of the two semi-rings 310 are the same.

[0056] It should be noted that half of the number of forging rings 20 are cut to obtain half rings 310 with the same number as the initial forging rings 20, and then the half rings 310 are welded in pairs to obtain welded rings 30 with the same number as the remaining forging rings 20.

[0057] S300, by programming the friction welding equipment, the forging rings 20 and the half rings 310 are alternately distributed, and the two half rings 310 with opposite openings are friction welded into a welded ring 30, and the forging rings 20 and the welded rings 30 are alternately distributed to form a chain.

[0058] S400, perform carburizing treatment on the chain.

[0059] It is easy to understand that before step S400, it is also necessary to perform conventional treatments such as flash removal and grinding on the welded ring 30. After forming the chain, perform conventional treatments such as heat treatment on the chain.

[0060] In the above embodiment, the forging ring 20 is integrally formed. Compared with the traditional bar stock directly bent and formed, the forging ring 20 has higher material strength and a denser internal organizational structure, thereby improving the overall load-bearing capacity and service life of the chain; the welded ring 30 formed by linear friction welding, its welding process is to utilize the mutual friction between the two half rings 310 to generate frictional heat. After reaching the preset temperature, align the cutting surfaces of the two half rings 310, and apply upsetting pressure perpendicular to the cutting surface direction to the half rings 310. The metals at the cutting surfaces diffuse and recrystallize with each other and finally become one body. Compared with flash welding, it has higher strength, a compact structure, and there will be no defects such as burns and cracks on the surface of the chain link, and there will be no phenomenon of false welding; after cutting part of the forging ring 20 into half rings 310, the alternate distribution of the forging rings 20 and the welded rings 30 is realized by programming the friction welding equipment. This process greatly improves the production efficiency compared with the traditional manual chain making and welding; the cross-sectional shape of the chain link is rectangular, and at the contact part of adjacent chain links, the contact part is surface contact, which increases the contact area and reduces the contact stress, can effectively slow down the wear of the carburized layer, and improve the service life of the chain.

[0061] In addition, the present application can flexibly adjust the number and distribution of the forging rings 20 and the welded rings 30 according to actual needs, so as to meet the requirements for the strength and flexibility of the chain in different application scenarios.

[0062] Figure 2 It is a schematic structural diagram of the programmed friction welding equipment provided by an embodiment of the present application. Refer to Figure 2 As shown, in some examples, the programmed friction welding equipment includes a base 100, a column 200 is fixedly installed at one end of the top surface of the base 100, and a upsetting column 300 is fixedly installed at the other end of the top surface of the base 100;

[0063] One side of the upright column 200 facing the upsetting upright column 300 is fixedly installed with a vibration slide table 400. A vibration fixture 500 is movably installed on the vibration slide table 400. The vibration fixture 500 is connected to the base 100 through a vibration oil cylinder 600. The vibration oil cylinder 600 is used to make the vibration fixture 500 move along the vibration slide table 400 perpendicular to the top surface of the base 100.

[0064] The top surface of the base 100 is fixedly installed with an upsetting slide table 700. The upsetting slide table 700 is located between the upright column 200 and the upsetting upright column 300. An upsetting fixture 800 is movably installed on the upsetting slide table 700. The upsetting fixture 800 is connected to the upsetting upright column 300 through an upsetting oil cylinder 900. The upsetting oil cylinder 900 is used to make the upsetting fixture 800 move along the upsetting slide table 700 perpendicular to the vibration fixture 500.

[0065] Vibration damping support members 110 are respectively fixedly installed on the front and rear sides of the base 100.

[0066] The vibration damping support member 110 includes a damping pad 111 and a support member 112. The damping pad 111 is located at the top end of the support member 112. The support member 112 is perpendicular to the extending direction of the bottom surface of the base 100.

[0067] Figure 7 It is a schematic diagram of friction welding of a half-ring. Refer to Figure 7 As shown, in the above embodiment, the user respectively places two half-rings 310 to be welded into the vibration fixture 500 and the upsetting fixture 800, makes the welding surfaces of the two half-rings 310 to be welded face each other and clamps them. Then, the upsetting fixture 800 is sent to the vibration fixture 500 through the upsetting oil cylinder 900 so that the welding surfaces of the two half-rings 310 to be welded are in contact. Then, the vibration fixture 500 is vibrated up and down at a high frequency through the vibration oil cylinder 600, so that the welding surfaces of the two half-rings 310 to be welded generate plastic flow. Then, the welding surfaces of the two half-rings 310 to be welded are aligned through the vibration oil cylinder 600. Finally, pressure is applied through the upsetting oil cylinder 900, so that the two half-rings 310 to be welded are welded together, and a high-performance high-quality weld comparable to the forged structure can be obtained, thereby obtaining a chain ring with a higher international quality standard. Moreover, there is no smoke and flash during the welding process, which is more environmentally friendly and also conducive to improving the working environment quality.

[0068] It should be noted that a row of vibration damping supports 110 is provided on each of the front and rear sides of the base 100, and the vibration damping supports 110 located below the column 200 and the upsetting column 300 are of a triple structure, that is, composed of three supports 112 and three shock pads 111 to form a vibration damping support 110. In some examples, the three supports 112 are distributed in an equilateral triangle. The vibration damping support 110 located in the middle can adopt a single structure, that is, composed of one support 112 and one shock pad 111.

[0069] It is easy to understand that the vibration at the column 200 and the upsetting column 300 is relatively large, and the probability of deformation at the corresponding position of the base 100 is also relatively large. By using the vibration damping support 110 of the triple structure to carry out vibration damping support, the maximum load of the vibration damping support 110 at this place can be improved, and the load borne is evenly distributed to each shock pad 111, and the support stability is higher. And the triple structure and the single structure are used in combination, which not only increases the number of support points, meets the requirements of vibration damping support, but also does not increase the support length, and is more economical and applicable.

[0070] Figure 3 It is a schematic diagram of the use state of the transmission chain and the pallet provided by an embodiment of the present application. Refer to Figure 3 As shown, in some examples, the friction stir welding equipment includes a first fixture and a second fixture, and the first fixture and / or the second fixture is connected with a vibration device;

[0071] It should be noted that the first fixture and the second fixture are the vibration fixtures 500 and the upsetting fixtures 800 in the foregoing embodiments, and the vibration device is the vibration oil cylinder 600 in the foregoing embodiments.

[0072] In order to facilitate the later detachment of the half rings 310 clamped by the first fixture and the second fixture, the tops of the first fixture and the second fixture are open, or the first fixture and the second fixture respectively include two separable upper and lower parts.

[0073] A transmission chain 1 is provided between the first fixture and the second fixture. The transmission chain 1 is connected to a first sprocket 2 and a second sprocket 3. The first sprocket 2 is located inside the inner ring of the transmission chain, and the second sprocket 3 is located outside the outer ring of the transmission chain. The transmission chain 1 is in a U shape;

[0074] It should be noted that both the first sprocket 2 and the second sprocket 3 are fixedly connected to the first fixture or the second fixture, and the first sprocket 2 and / or the second sprocket 3 are connected to a power device, and the power device is fixedly installed on the first fixture or the second fixture.

[0075] It is easy to understand that in the case where one of the first fixture and the second fixture is connected to the vibration device, the first sprocket 2, the second sprocket 3 and the power device are arranged on the fixture that is not connected to the vibration device.

[0076] Two moving seats 4 are fixedly installed on the transmission chain 1. A chute 5 is formed on one side of the moving seat 4. Both ends of the chute 5 are open. A conductive surface is laid on the inner wall of the chute 5. An electric telescopic rod 6 perpendicular to the moving seat 4 is fixedly installed on the moving seat 4. The electric telescopic rod 6 is electrically connected to the corresponding conductive surface. The movable end of the electric telescopic rod 6 is fixedly connected to one end of a support rod 7.

[0077] It is easy to understand that the electric telescopic rod 6 and the support rod 7 are coaxially arranged, and both are oriented towards the linear friction welding area. For the convenience of distinction, the moving seat 4 is divided into a first moving seat and a second moving seat, and the two move synchronously. When the first moving seat moves to the previous stopping position of the second moving seat, the second moving seat moves to the previous stopping position of the first moving seat.

[0078] In other examples, refer to Figure 4 As shown, the two moving seats 4 bisect the transmission chain 1, that is, the effective length from the first moving seat along the transmission chain 1 to the second moving seat is equal to the effective length from the second moving seat along the transmission chain 1 to the first moving seat.

[0079] In other examples, the support rod 7 may not be coaxially arranged with the electric telescopic rod 6, but the other end of the support rod 7 is slightly inclined upward, which can prevent the forging ring 20 from disengaging from the support rod 7 during the process of driving the forging ring 20 to move.

[0080] Two fixed seats 8 are provided between the first fixture and the second fixture. The fixed seat 8 is fixedly connected to the first fixture or the second fixture. A conductive block 9 is fixedly installed on one side of the fixed seat 8. The conductive block 9 is electrically connected to the electric control device. The conductive block 9 can pass through the chute 5, and when the conductive block 9 is located in the chute 5, the conductive block 9 contacts the chute 5.

[0081] It should be noted that the fixed seat 8 is also arranged on the fixture that is not connected to the vibration device, and the fixed seat 8 is arranged at the U-shaped opening of the transmission chain 1. The electric control device is used to provide electrical energy for the electric telescopic rod 6 and control the telescopic movement of the electric telescopic rod 6.

[0082] A support plate 10 is provided between the first fixture and the second fixture. The support plate 10 is fixedly connected to the first fixture or the second fixture, and the support plate 10 is perpendicular to the first fixture or the second fixture. A conveying device is arranged on the support plate 10.

[0083] It should be noted that the support plate 10 is arranged on the fixture connected to the vibration device, and the depth of the support plate 10 is about 1 / 3 of the length of the forging ring 20.

[0084] Figure 8 It is a schematic diagram of the mating state of the forging ring and the half ring; Figure 9This is a schematic diagram of the chain structure. Figure 7 and Figure 8 As shown, in the above embodiment, the two half rings 310 are placed in the first clamp and the second clamp respectively, the forging ring 20 is placed in the support plate 10, and the forging ring 20 is moved toward the opposite clamp by the conveying device. The setting position of the support plate 10 is staggered with the setting position of the half ring 310. With the first clamp and the second clamp approaching, the forging ring 20 can be placed between the two half rings 310. At this time, the conductive block 9 on the right side is located in the slide groove 5 and contacts the conductive surface laid in the slide groove 5. The electric control device supplies power to the electric telescopic rod 6 through the conductive block 9 and the conductive surface and controls its extension, so that the support rod 7 probes into the forging ring 20, and then the vibration device works to perform linear friction welding on the cut surfaces of the two half rings 310 to form Welding ring 30, after welding is completed, the power device starts to work, driving the transmission chain 1 to move, and the moving seat 4 thereon moves accordingly, and the first moving seat drives the forging ring 20 to move. When the bottom of the inner ring of the forging ring 20 contacts the welding ring 30, it drives the welding ring 30 to move. According to the movement trajectory of the transmission chain 1, the forging ring 20 moves upward first, and the welding ring 30 connected thereto drops downward after being separated from the first clamp and the second clamp. Then the forging ring 20 and the welding ring 30 move downward until the first moving seat moves to the fixed seat 8 on the left. At this time, the second moving seat moves to the fixed seat 8 on the right, and the above process is repeated. At this time, the electric telescopic rod 6 on the first moving seat shrinks, and the second moving seat drives the forging ring 20 and the welding ring 30 to move, and this alternating cycle is carried out. The braiding friction welding equipment provided in the above embodiment can automatically complete the braiding and welding of the chain, enable the welding ring 30 to obtain a high-performance and high-quality weld comparable to that of a forged structure, improve the strength and service life of the entire chain, and fill the gap in chain braiding in the field of linear friction welding, which is beneficial to improving the production efficiency of friction welded forged chains, reducing manual intervention, and reducing the probability of production safety accidents.

[0085] In some examples, the conveying device is a belt conveying device 11, the belt conveying device 11 is connected to a power device, and a paddle 12 is fixedly installed on the outer periphery of the conveying belt of the belt conveying device 11;

[0086] A strip groove 13 is formed at the bottom of the support plate 10 . The strip groove 13 connects the inside and outside of the support plate, and the shifting plate 12 passes through the strip groove 13 .

[0087] It should be noted that the belt conveyor 11 uses a V-type pulley and a V-type belt, which has higher stability than ordinary conveyor belts. The power device uses a motor, and a specific model can be selected according to actual conditions, such as a stepper motor, etc. This application does not limit this, and it can also be used in conjunction with a reducer, etc.

[0088] In the above embodiments, the shifting plate 12 passes through the strip-shaped groove 13 to contact the forging ring 20 in the supporting plate 10. When the conveyor belt of the belt conveyor device 11 operates, the forging ring 20 is driven to move by the shifting plate 12 thereon. Through the cooperation of the belt conveyor device 11 and the shifting plate 12, the effective movement of the forging ring 20 is achieved. The mechanized conveying process reduces manual intervention, improves production efficiency, reduces the need for manual handling and operation, and reduces the risk of work-related injuries.

[0089] Specifically, in order to ensure the stability of the movement process of the forging ring 20, two mutually parallel shifting plates 12 can also be fixedly installed on the outer periphery of the conveyor belt of the belt conveyor device 11. The distance between the two shifting plates 12 is slightly larger than the thickness of the forging ring 20, so as to form an effect of moving and clamping. Or, the shifting plate 12 can be designed in a U shape, and other methods can also be adopted. This application does not make any limitations in this regard.

[0090] In some examples, the conveying device includes two of the belt conveyor devices 11. The two belt conveyor devices 11 are connected by a universal coupling 14. One of the belt conveyor devices 11 is connected to the power device, and shifting plates 12 are fixedly installed on the outer periphery of the conveyor belt of each belt conveyor device 11;

[0091] Two mutually parallel strip-shaped grooves 13 are opened at the bottom of the supporting plate 10, and the shifting plate 12 of each belt conveyor device 11 passes through the corresponding strip-shaped groove 13.

[0092] It is easy to understand that the two belt conveyor devices 11 are evenly distributed at the bottom of the supporting plate 10. For example, they are symmetrically distributed with respect to the center line in the extending direction of the supporting plate 10. Both the two belt conveyor devices 11 and the motor are fixedly connected to the supporting plate 10 or the corresponding fixture.

[0093] In the above embodiments, the two belt conveyor devices 11 drive the forging ring 20 to move simultaneously. The application points of force increase and are evenly distributed on both sides of the forging ring 20. The movement of the forging ring 20 is more stable, and by linking the two belt conveyor devices 11 through the universal coupling 14, the setting of the power device can be reduced, which is beneficial to cost control.

[0094] In some examples, both ends of the sliding groove 5 and both ends of the conductive block 9 are chamfered.

[0095] In the above embodiments, the chamfer design can make it more convenient for the conductive block 9 to be inserted into and detached from the sliding groove 5.

[0096] In some examples, the supporting plate 10 is of a U-shaped structure.

[0097] In the above embodiments, the U-shaped supporting plate 10 can fit the outer shape of the forging ring 20, and can better limit the linear movement of the forging ring 20 along the extending direction of the supporting plate 10, improving the movement stability of the forging ring 20.

[0098] On the other hand, referring to Figure 9 as shown, an embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger, which includes alternately distributed forged rings 20 and welded rings 30, and the chain is fabricated by the above-mentioned chain fabrication process.

[0099] In the above embodiment, the chain is composed of alternately distributed forged rings 20 and welded rings 30. The forged rings 20 are integrally formed by forging, and the welded rings 30 are formed by linear friction welding after the forged rings 20 are split in half. The strength of the weld is comparable to that of the forged structure. Compared with the traditional direct bending of bar stock, it has higher material strength and a denser internal organizational structure, thus improving the overall load-bearing capacity and service life of the chain; the cross-sectional shape of the link is rectangular, and at the contact of adjacent links, the contact part is surface contact, which increases the contact area and reduces the contact stress, can effectively slow down the wear of the carburized layer, and improve the service life of the chain.

[0100] It is easy to understand that those skilled in the art can combine, split, and reorganize the embodiments of the present application based on several embodiments provided by the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0101] The above specific implementation manners further elaborate on the purpose, technical solutions, and beneficial effects of the embodiments of the present application. It should be understood that the above is only the specific implementation manners of the embodiments of the present application and is not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.

Claims

1. A friction welding and knitting process for a highly wear-resistant forged chain used in a boiler slag discharger, characterized in that, Including: The base material is heated and then forged to obtain a forged ring, wherein the cross-section of the forged ring is rectangular; Part of the forged ring is cut along the width direction to obtain half rings with twice the number of the part of the forged ring; The forged ring and the half rings are alternately distributed by a knitting friction welding device, and two half rings with opposite openings are friction welded into a welded ring, and the forged ring and the welded ring are alternately distributed to form a chain; The chain is carburized; The knitting friction welding device includes a first fixture and a second fixture, and a vibration device is connected to the first fixture and / or the second fixture; A transmission chain (1) is arranged between the first fixture and the second fixture. The transmission chain (1) is connected to a first sprocket (2) and a second sprocket (3). The first sprocket (2) is located inside the transmission chain (1), and the second sprocket (3) is located outside the transmission chain (1). The transmission chain (1) is in a U shape; Two moving seats (4) are fixedly installed on the transmission chain (1). A chute (5) is opened on one side of the moving seat (4). Both ends of the chute (5) are open. A conductive surface is laid on the inner wall of the chute (5). An electric telescopic rod (6) perpendicular to it is fixedly installed on the moving seat (4). The electric telescopic rod (6) is electrically connected to the corresponding conductive surface. The moving end of the electric telescopic rod (6) is fixedly connected to one end of a support rod (7); Two fixed seats (8) are arranged between the first fixture and the second fixture. The fixed seat (8) is fixedly connected to the first fixture or the second fixture. A conductive block (9) is fixedly installed on one side of the fixed seat (8). The conductive block (9) is electrically connected to an electric control device. The conductive block (9) can pass through the chute (5), and when the conductive block (9) is located in the chute (5), the conductive block (9) contacts the chute (5); A support plate (10) is arranged between the first fixture and the second fixture. The support plate (10) is fixedly connected to the first fixture or the second fixture, and the support plate (10) is perpendicular to the first fixture or the second fixture. A conveying device is arranged on the support plate (10).

2. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, characterized in that, The step of heating the base material and then forging to obtain a forged ring includes heating the base material to a preset temperature and then forging it through a mold to obtain a forged ring with an integral structure.

3. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, wherein The step of cutting part of the forged ring along the width direction to obtain half rings with twice the number of the part of the forged ring includes cutting each forged ring of the part of the forged ring along the width direction on the equal division line in the length direction to obtain corresponding two half rings, wherein the lengths of the two half rings are the same.

4. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, characterized in that, The conveying device is a belt conveying device (11). The belt conveying device (11) is connected to a power device. A baffle (12) is fixedly installed on the outer periphery of the conveyor belt of the belt conveying device (11); A strip-shaped groove (13) is opened at the bottom of the support plate (10). The strip-shaped groove (13) communicates with the inside and outside of the support plate (10). The baffle (12) passes through the strip-shaped groove (13).

5. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, characterized in that, The conveying device includes two belt conveying devices (11), the two belt conveying devices (11) are connected by a universal coupling (14), one of the belt conveying devices (11) is connected to a power device, and a baffle (12) is fixedly installed on the outer periphery of the conveyor belt of each belt conveying device (11); Two mutually parallel strip-shaped grooves (13) are formed at the bottom of the pallet (10), and the baffle (12) of each belt conveying device (11) passes through the corresponding strip-shaped groove (13).

6. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, characterized in that, Both ends of the sliding groove (5) and both ends of the conductive block (9) are chamfered.

7. The friction welding preparation process of the highly wear-resistant forged chain for the boiler slag discharger according to claim 1, characterized in that, The pallet (10) has a U-shaped structure.

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