Four-roller type titanium alloy plate rolling machine

Abstract

The utility model provides a four-roller type titanium alloy plate rolling machine which comprises a rack, an upper roller, a lower roller, a side roller, a rotating arm, a rotating arm fulcrum, a lower roller oil cylinder, a side roller oil cylinder and a hydraulic system. The device further comprises a flaming device. The flaming device is a handheld flaming device; the handheld flaming device is provided with an oxygen tank and a fuel tank; gas outlet pipes of the oxygen tank and the fuel tank are respectively connected with one end of a rigid pipe through respective quick-change hose joints; the other end of the rigid pipe is connected with a spray gun air inlet end; the spray gun comprises a handheld handle; an oxygen channel, a fuel channel and a mixed gas channel which are of a three-way structure are arranged in the handheld handle; the oxygen channel and the fuel channel are respectively provided with a regulating valve for regulating the flow; fire spraying pipes are mounted at the gas outlet ends of the gas mixing channels; the length of the fire spraying pipe is greater than 50cm; and a pressure gauge and a valve switch are arranged on the rigid pipe. Oxides on the surface of a titanium alloy material are removed by arranging the flaming device to carry out flaming treatment, so that the precision and the quality of plate processing are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate rolling machines, and in particular relates to a four-roller titanium alloy plate rolling machine. Background Art

[0002] A plate rolling machine is a processing equipment that rolls metal plates into the required circular, arc or conical shape. The plate rolling machine works on the principle of three points forming a circle. The predetermined shape is obtained by adjusting the relative position between the side rollers and the upper roller of the plate rolling machine.

[0003] The upper roller of the four-roller plate rolling machine is fixed, and the lower roller moves upward in a straight line to clamp the steel plate. The rollers on both sides move closer to the upper roller in a straight line or in an arc to adjust the curvature radius of the roll. That is, the plate rolling of the plate rolling machine is achieved by adjusting the lower pressure roller and the side pressure rollers on both sides. The pre-bent straight edge and roundness of the four-roller plate rolling machine are better than those of the three-roller plate rolling machine. The traditional four-roller plate rolling machine can be divided into linear and arc four-roller plate rolling machines according to the different lifting methods of the side rollers. Among them, the arc four-roller plate rolling machine, the side rollers move in an arc around the upper roller, can form a larger covering surface, and reduce the amount of remaining straight edges at the end of the cylinder plate.

[0004] The microstructure of titanium alloy plates is generally composed of hexagonal α phase and centered cubic β phase, which makes the ductility of titanium alloy plates less than that of general steel materials. Therefore, titanium alloy plates are prone to cracking during plastic deformation. In order to reduce cracking during plastic deformation, titanium plates are basically cold rolled. However, during the cold bending process, the surface of titanium alloy plates will oxidize due to the influence of the bending operation, forming an oxide film. This oxide film has a high hardness and is difficult to remove, which will also affect the processing accuracy and surface quality. In this regard, the following technical solution is proposed. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a four-roller titanium alloy plate rolling machine, which is equipped with a flame spraying device to carry out flame spraying treatment to remove oxides on the surface of the material, thereby improving the precision and quality of plate processing.

[0006] The technical solution adopted by the utility model is as follows: a four-roller titanium alloy plate rolling machine, comprising a frame, an upper roller, a lower roller, a side roller, a rotating arm, a rotating arm fulcrum, a lower roller cylinder, a side roller cylinder and a hydraulic system; also comprising a flamethrower; the flamethrower is a handheld flamethrower; the handheld flamethrower has an oxygen tank and a fuel tank; the air outlet pipes of the oxygen tank and the fuel tank are respectively connected to one end of a rigid tube through respective quick-change hose connectors; the other end of the rigid tube is connected to an air inlet end of a spray gun through an extension hose; the spray gun comprises a handheld handle; the handheld handle is built-in with an oxygen channel, a fuel channel and an air mixing channel of a three-way structure; the oxygen channel and the fuel channel are respectively provided with regulating valves for adjusting the flow rate; a flamethrower is installed at the air outlet end of the air mixing channel; the length of the flamethrower is greater than 50 cm; a pressure gauge and a valve switch are provided on the rigid tube.

[0007] In the above technical scheme, further: it also includes: a flame test spraying device; the flame test spraying device has a movable bracket with casters Ⅰ; a plate made of titanium alloy and arranged vertically is installed on the top of the bracket; a positioning circle is drawn on the front of the plate; a centering point is drawn in the center of the positioning circle; a height locator is provided on the side of the front of the plate perpendicular to the front of the plate; the height locator is used to locate the nozzle height of the flamethrower; the centering point is used to locate the flame spraying center of the nozzle; the positioning circle is used to indicate the optimal fire circle size.

[0008] In the above technical solution, further: it also includes a gas tank rack; the oxygen tank and the fuel tank are respectively equipped with gas tank racks; the gas tank rack is equipped with casters II and uses a tank body restraint component to restrain the tank body to prevent the tank body from tilting.

[0009] In the above technical scheme, further: the tank body restraint assembly is composed of a base plate, a screw sleeve, a screw rod, a holding block, and a sponge pad; the tank body restraint assembly is fixedly connected to the gas tank rack through the base plate; the inner end of the base plate is fixedly connected to the screw sleeve; the internal thread of the screw sleeve is rotated to adapt to install one end of the screw rod; the rotating telescopic end of the other end of the screw rod is installed with a holding block; the holding block is used to tighten the outer wall of the tank body; the inner wall of the holding block is provided with a sponge pad.

[0010] In the above technical solution, further: it also includes a baffle rod assembly; the baffle rod assembly is installed on the middle outside of the gas tank rack; one end of the baffle rod body of the baffle rod assembly is hingedly connected to the gas tank rack, and the other end of the baffle rod body is clamped and connected to the clamping column provided on the gas tank rack through a manufactured ring buckle.

[0011] In the above technical solution, further: it also includes a tracheal bracket; the tracheal bracket supports the installation of the rigid tube and fixes and supports the rigid tube above the ground.

[0012] In the above technical solution, further: it also includes a clamp; the clamp is arranged at the end of the tracheal stent support; the tracheal stent is fixedly connected to the rigid tube through the clamp support.

[0013] The advantages of this utility model compared with the prior art:

[0014] 1. The flame-spraying device of the utility model has the function of rapidly removing the oxide film on the surface through high-temperature rapid oxidation-reduction reaction, making the surface of the material smoother and denser, and improving the mechanical properties and corrosion resistance of the material.

[0015] 2. The flame test spray device equipped with the flame spray device of the utility model locates the height of the flame spray tube nozzle from the plate body through the height positioner, so that the nozzle of the flame spray tube sprays fire toward the plate surface at a fixed height from the plate body; the size of the oxygen is adjusted from small to large, and the size of the flame is adjusted; in order to quickly know the optimal flame size, that is, to quickly adjust to the optimal temperature: when the size of the fire circle of the fixed height flame on the plate body is very close to the size of the positioning circle, it is not only the most complete combustion state of the fuel, but also the optimal preset flame spray temperature; the above state and temperature are determined by multiple experiments based on the selection of titanium alloy materials and fuel; thereby realizing the rapid test spray adjustment of the flame size of the flame spray device, which is beneficial to control the flame spray temperature, facilitate full combustion, and improve operating efficiency.

[0016] 3. The gas supply device equipped with the flamethrower of the utility model can effectively prevent the gas tank from tilting by setting a restraint component, and the equipped casters Ⅰ and quick-change hose connectors are convenient for the transfer and movement of the tank and the replenishment of gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the flame spraying use state of the plate rolling machine of the utility model;

[0018] Figure 2 This is a side view of the plate rolling machine of the utility model including the flame test spray device;

[0019] Figure 3 It is a three-dimensional diagram showing a plate height positioner in the flame test spray device of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the gas supply device of the utility model;

[0021] Figure 5 for Figure 4 Enlarged detail front view of the middle airbrush;

[0022] Figure 6 for Figure 5 Enlarged detail front view of the middle gas tank rack;

[0023] Figure 7 for Figure 6 A partial enlarged detail view of the tank restraint assembly;

[0024] In the figure: 1-frame, 2-upper roller, 3-lower roller, 4-side roller, 5-rotating arm, 6-rotating arm fulcrum, 7-lower roller cylinder, 8-side roller cylinder, 9-flame spraying device, 91-oxygen tank, 92-fuel tank, 93-quick-change hose connector, 94-rigid pipe, 95-extension hose, 96-spray gun, 97-hand handle, 98-regulating valve, 99-flame spraying tube, 991-pressure gauge, 992-valve switch; 10-flame test spray Device, 101-castor I, 102-bracket, 103-plate, 104-positioning ring, 105-centering point, 106-height locator; 11-gas tank rack, 12-castor II, 13-tank body restraint assembly, 131-bottom plate, 132-screw sleeve, 133-screw, 134-block, 135-sponge pad; 14-stop rod assembly, 141-ring buckle, 142-strap; 15-trachea bracket, 16-hoop. DETAILED DESCRIPTION

[0025] The following will be combined with the attached embodiment of the present utility model Figure 1-7 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] (like Figure 1 A four-roller titanium alloy plate rolling machine (shown in the figure) comprises a frame 1, an upper roller 2, a lower roller 3, a side roller 4, a rotating arm 5, a rotating arm fulcrum 6, a lower roller cylinder 7, a side roller cylinder 8 and a hydraulic system. The specific connection structure and position relationship between the aforementioned components of the plate rolling machine are referred to the patent document with publication number CN203991812U and the name is a four-roller plate rolling machine with linearly driven side roller arc motion, which will not be repeated here.

[0027] Based on the above patent document, the utility model further includes a flame spraying device 9; the flame spraying device 9 is a handheld flame spraying device. The handheld flame spraying device 9 is used to facilitate operators to accurately control the flame spraying point and heating time according to actual conditions.

[0028] The reason for manual flame blasting is that it is convenient for skilled operators to strictly control the temperature and heating time of the flame blasting on the surface of the titanium plate to avoid excessive heating that may cause material deformation or other problems.

[0029] (like Figure 4The handheld flamethrower device is provided with an oxygen tank 91 and a fuel tank 92. The fuel in the fuel tank 92 can be a gas fuel such as acetylene or propane. These gas fuels have the advantages of high calorific value, easy combustion, and easy control, and can quickly remove the oxides on the surface of the titanium plate while reaching the required processing temperature. The specific choice of fuel needs to be comprehensively considered based on processing requirements, cost, safety and other factors. When selecting a fuel, factors such as its calorific value, combustion temperature, combustion stability, economy and safety performance need to be considered.

[0030] The outlet pipes of the oxygen tank 91 and the fuel tank 92 are respectively connected to one end of the rigid tube 94 through their own quick-change hose connectors 93. The quick-change hose connector 93 is used for connection so that when the fuel or oxygen is exhausted and needs to be replenished, the quick-change hose connector 93 can be quickly removed, and then the tank body can be transferred to replenish the fuel or oxygen, thereby achieving the purpose of convenient and quick disassembly.

[0031] The other end of the rigid tube 94 is connected to the air inlet end of the spray gun 96 through an extension hose 95 , that is, to supply air to the spray gun 96 .

[0032] (Combined Figure 5 The spray gun 96 includes a hand-held handle 97; the hand-held handle 97 has a three-way structure of an oxygen channel, a fuel channel, and a gas mixing channel; wherein the oxygen channel and the fuel channel are connected to the oxygen tank 91 and the fuel tank 92 respectively. The mixing of oxygen and fuel is achieved in the gas mixing channel.

[0033] The oxygen channel and the fuel channel are respectively provided with regulating valves 98 for adjusting the flow rate. The purpose of setting the regulating valves 98 is that the flame temperature of the flame spray gun can be adjusted by adjusting the ratio of oxygen and fuel. Specifically, increasing the supply of oxygen can make the fuel burn more fully, thereby increasing the flame temperature. On the contrary, reducing the supply of oxygen will reduce the flame temperature. In addition, different fuels will also produce different flame temperatures, so choosing the right fuel is also an important factor in adjusting the flame temperature. It should be noted that when adjusting the flame temperature, it is necessary to adjust it step by step to avoid sudden and large adjustments that cause the flame temperature to be too high or too low, thereby affecting the workpiece processing quality.

[0034] (See Figure 5) A flamethrower tube 99 is installed at the outlet end of the mixing channel; the length of the flamethrower tube 99 is greater than 50 cm; the reason for lengthening the flamethrower tube 99 is that flamethrowing is a high-temperature processing method and there are certain operational risks. Therefore, when performing cold bending flamethrowing treatment on titanium plates, corresponding safety measures need to be taken, so the flamethrower tube 99 is designed to be an extended flamethrower tube to prevent safety accidents such as fire and burns. At the same time, it should also be noted that operators need to undergo professional training and be familiar with operating procedures and safety requirements to ensure processing quality and operational safety.

[0035] (like Figure 4 The rigid tube 94 is provided with a pressure gauge 991 and a valve switch 992. The real-time pressure is displayed and the opening and closing of each airway are controlled.

[0036] (like Figure 2 , Figure 3 As shown in the above embodiment, further: it also includes a flame test spray device 10.

[0037] The flame test spray device 10 has a movable bracket 102 with casters Ⅰ101; the flame test spray device 10 is moved into place or removed by the casters Ⅰ101.

[0038] A plate 103 made of titanium alloy and arranged vertically is installed on the top of the bracket 102; the titanium alloy material is consistent with the material of the titanium alloy plate to be processed, which is convenient for practicing, teaching or rapid adjustment of the flame size during trial spraying. That is, a positioning circle 104 is drawn on the front of the plate 103; the positioning circle 104 is used to indicate the optimal flame circle size. A centering point 105 is drawn in the center of the positioning circle 104; the centering point 105 is used to locate the flame spraying center of the spray gun 96. (such as Figure 3 As shown in the figure, a height positioner 106 is provided on the side of the front side of the plate body 103 perpendicular to the front side of the plate body 103; the height positioner 106 is used to position the nozzle height of the flamethrower tube 99.

[0039] When in use: the height of the nozzle of the flamethrower 99 is positioned from the center point 105 of the plate body 103 by the height positioner 106, so that the nozzle of the flamethrower 99 sprays fire toward the plate surface at a fixed height from the plate body; then, the size of the flame is adjusted by adjusting the size of the oxygen regulating valve 98; in order to quickly know the optimal flame size, that is, to quickly adjust to the optimal temperature: when the size of the fire circle of the fixed height flame on the plate body 103 is very close to the size of the positioning circle 104, it is not only the most complete combustion state of the fuel, but also the optimal preset flame spraying temperature. The above state and temperature are obtained through multiple experiments according to the material of the titanium alloy plate to be processed and the choice of fuel; thereby realizing the rapid trial spraying adjustment of the flame size of the flamethrower device, which is conducive to controlling the flame spraying temperature and facilitating full combustion.

[0040] (like Figure 6 In the above embodiment, further: a gas tank rack 11 is also included; the oxygen tank 91 and the fuel tank 92 are respectively equipped with the gas tank rack 11; the gas tank rack 11 is equipped with casters II 12 and uses a tank restraint assembly 13 to restrain the tank to prevent the tank from tilting. By adding the gas tank rack 11, the tank is prevented from tilting, and the tank can be easily moved to another site for fuel or oxygen replenishment.

[0041] (like Figure 7 In the above embodiment, further: the tank restraint assembly 13 is composed of a bottom plate 131, a screw sleeve 132, a screw rod 133, a holding block 134, and a sponge pad 135. The tank restraint assembly 13 is fixedly connected to the gas tank rack 11 through the bottom plate 131; the inner side end of the bottom plate 131 is fixedly connected to the screw sleeve 132; the inner thread of the screw sleeve 132 is rotatably adapted to install one end of the screw rod 133; the rotating telescopic end of the other end of the screw rod 133 is installed with a holding block 134; the holding block 134 is used to tighten the outer wall of the tank body; the inner side wall of the holding block 134 is provided with a sponge pad 135.

[0042] When in use: the holding block 134 is pressed against the outer wall of the tank body or away from the outer wall of the tank body by rotating the screw rod 133. The sponge pad 135 is provided to prevent the holding block 134 from hard contact and damaging the outer surface of the tank body, and at the same time increase the friction resistance to ensure the holding force of the holding block 134.

[0043] In the above embodiment, further: it also includes a baffle rod assembly 14; the baffle rod assembly 14 is installed on the middle outside of the gas tank rack 11; one end of the baffle rod body of the baffle rod assembly 14 is hingedly connected to the gas tank rack 11, and the other end of the baffle rod body is clamped and connected to the clamping column 142 provided on the gas tank rack 11 through a buckle 141.

[0044] In the above embodiment, further: a tracheal support 15 is also included; the tracheal support 15 supports the installation of the rigid tube 94 and fixes and supports the rigid tube 94 above the ground.

[0045] In the above embodiment, further: it also includes a clamp 16; the clamp is arranged at the supporting end of the tracheal support 15; the tracheal support 15 is supported and fixedly connected to the rigid tube 94 through the clamp 16.

[0046] The working principle of the utility model is: the role of flame treatment is to quickly remove the oxide film on the surface through high-temperature rapid oxidation-reduction reaction, and at the same time make the material surface smoother and denser, and improve the mechanical properties and corrosion resistance of the material. During the flame treatment process, the high temperature of the flame can melt and gasify the oxide on the surface of the titanium plate, and at the same time expose the new surface, which is smoother and denser, which is conducive to subsequent processing operations and improving product quality.

[0047] When spraying fire: ignite the flame spray nozzle, use the flame test spray device 10 to gradually adjust the size of the oxygen regulating valve 98 from small to large to adjust the flame size; in order to quickly know the optimal flame size and quickly adjust the flame to the optimal temperature so as to heat the titanium plate as needed, when the size of the fire circle of the set height flame on the plate body 103 is very close to the size of the positioning circle 104, it is the most complete combustion state of the fuel and it is also the optimal preset flame spraying temperature.

[0048] When heating the cold-bent titanium alloy coil: pay attention to controlling the flame size and heating time to avoid overheating or underheating. Especially when the surface of the titanium plate appears slightly yellow, remove the flame and observe the color change of the titanium plate surface. When the color is uniform, stop heating.

[0049] From the above description, it can be found that the role of the flame spraying device equipped with the utility model for flame spraying treatment is to quickly remove the oxide film on the surface through high-temperature rapid oxidation-reduction reaction, while making the material surface smoother and denser, and improving the mechanical properties and corrosion resistance of the material.

[0050] The flame test spray device 10 equipped with the flame spray device of the utility model locates the height of the nozzle of the flame spray tube 99 from the plate body 103 through the height positioner 106, so that the nozzle of the flame spray tube 99 sprays fire toward the plate surface at a fixed height from the plate body 103; the flame size is adjusted by adjusting the oxygen size; in order to quickly know the optimal flame size, that is, quickly adjust to the optimal temperature: when the size of the fire circle of the fixed height flame on the plate body is very close to the size of the positioning circle 104, it is not only the most complete combustion state of the fuel, but also the optimal preset flame spray temperature size; the above state and temperature are obtained, according to the material of the titanium alloy plate to be processed and the choice of fuel, and are determined through multiple experiments; thereby realizing the rapid test spray adjustment of the flame size of the flame spray device, which is beneficial to control the flame spray temperature and the full combustion of the fuel.

[0051] The gas supply device equipped with the flamethrower of the utility model can effectively prevent the gas tank from tilting through the arrangement of the tank restraint assembly 13, and the equipped casters 101 and the quick-change hose connector 93 are convenient for the tank to be moved and replenished.

[0052] In summary, the utility model solves the problem of how to remove the oxide on the surface of the titanium alloy plate during cold bending, thereby improving the precision and quality of plate processing. When the oxide is removed by flame spraying, the flame size and temperature can be adjusted quickly and accurately through the designed flame test spraying device 10, thereby improving the operating efficiency and ensuring the quality of the plate.

[0053] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A four-roller titanium alloy plate rolling machine, comprising a frame (1), an upper roller (2), a lower roller (3), a side roller (4), a rotating arm (5), a rotating arm fulcrum (6), a lower roller cylinder (7), a side roller cylinder (8) and a hydraulic system; characterized in that: The invention also comprises a flame spraying device (9); the flame spraying device (9) is a handheld flame spraying device; the handheld flame spraying device comprises an oxygen tank (91) and a fuel tank (92); the outlet pipes of the oxygen tank (91) and the fuel tank (92) are respectively connected to one end of a rigid tube (94) through respective quick-change hose connectors (93); the other end of the rigid tube (94) is connected to the air inlet end of a spray gun (96) through an extension hose (95); the spray gun (96) comprises a handheld handle (97); the handheld handle (97) is built with a three-way structure of an oxygen channel, a fuel channel, and a gas mixing channel; the oxygen channel and the fuel channel are respectively provided with respective regulating valves (98) for adjusting the flow rate; a flame spraying tube (99) is installed at the outlet end of the gas mixing channel; the flame spraying tube (99) is greater than 50 cm in length; a pressure gauge (991) and a valve switch (992) are provided on the rigid tube (94).

2. The four-roller titanium alloy plate rolling machine according to claim 1 is characterized in that: It also comprises a flame test spraying device (10); the flame test spraying device (10) has a movable support (102) with casters I (101); a plate (103) made of titanium alloy and arranged vertically is installed on the top of the support (102); a positioning circle (104) is drawn on the front of the plate (103); a centering point (105) is drawn at the center of the positioning circle (104); a height positioner (106) is provided on the side of the front of the plate (103) perpendicular to the front of the plate (103); the height positioner (106) is used to position the nozzle height of the flame spraying tube (99); the centering point (105) is used to position the flame spraying center of the nozzle; the positioning circle (104) is used to indicate the optimal flame circle size.

3. The four-roller titanium alloy plate rolling machine according to claim 1 is characterized in that: It also includes a gas tank rack (11); the oxygen tank (91) and the fuel tank (92) are respectively equipped with the gas tank rack (11); the gas tank rack (11) is equipped with casters II (12) and uses a tank body restraint assembly (13) to restrain the tank body to prevent the tank body from tilting.

4. The four-roller titanium alloy plate rolling machine according to claim 3 is characterized in that: The tank restraint assembly (13) is composed of a bottom plate (131), a screw sleeve (132), a screw rod (133), a holding block (134), and a sponge pad (135); the tank restraint assembly (13) is fixedly connected to the gas tank rack (11) through the bottom plate (131); the inner side end of the bottom plate (131) is fixedly connected to the screw sleeve (132); the inner thread of the screw sleeve (132) is rotatably adapted to be installed at one end of the screw rod (133); the rotating telescopic end of the other end of the screw rod (133) is installed with a holding block (134); the holding block (134) is used to tighten the outer wall of the tank body; the inner side wall of the holding block (134) is provided with a sponge pad (135).

5. The four-roller titanium alloy plate rolling machine according to claim 3 is characterized in that: It also comprises a blocking rod assembly (14); the blocking rod assembly (14) is installed on the middle outer part of the gas cylinder rack (11); one end of the blocking rod body of the blocking rod assembly (14) is hingedly connected to the gas cylinder rack (11), and the other end of the blocking rod body is clampedly connected to a clamping column (142) provided on the gas cylinder rack (11) through a buckle (141) provided thereon.

6. The four-roller titanium alloy plate rolling machine according to claim 1 is characterized in that: It also includes a trachea bracket (15); the trachea bracket (15) supports the installation of the rigid tube (94) and fixes and supports the rigid tube (94) above the ground.

7. The four-roller titanium alloy plate rolling machine according to claim 6 is characterized in that: It also includes a clamp (16); the clamp is arranged at the supporting end of the tracheal support (15); the tracheal support (15) is supported and fixedly connected to the rigid tube (94) through the clamp (16).

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