Rolling strengthening device based on electric pulse assistance

Abstract

The invention discloses a rolling strengthening device based on electric pulse assistance, and relates to the technical field of heat treatment. The two moving mechanisms are symmetrically mounted on the front side and the rear side of the top end of the strengthening machine tool respectively; the rolling mechanism is mounted between the opposite surfaces of the two moving mechanisms; the rolling mechanism comprises a fixing ring, three telescopic driving assemblies, three mounting seats, three rolling heads, three cooling pipes, six telescopic pipes and two annular pipes; the fixing ring is mounted between the opposite surfaces of the two moving mechanisms; efficient cooling of the rolling head is achieved, the cooling pipe is arranged in the rolling head, low-boiling-point cooling liquid is introduced to achieve efficient cooling, the problem that the temperature of a workpiece is too high due to superposition of Joule heat generated by electric pulses and friction heat in the rolling process is solved, meanwhile, a circulation loop of the cooling liquid is formed through connection of the telescopic pipe and the annular pipe, and the cooling effect of the workpiece is improved. The stability of the machining process and the workpiece quality are ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat treatment, in particular to a rolling strengthening device based on electric pulse assistance. BACKGROUND

[0002] The surface rolling processing of metal materials is a non-cutting mechanical surface strengthening and finishing process, the core of which is to apply a specific pressure to the surface of metal materials by using a hard rolling tool to make the material surface produce plastic deformation, fill the surface micro concave through the flow of metal, and introduce residual compressive stress, so as to improve the surface quality, reduce the roughness to obtain a smooth surface morphology, improve the surface hardness, wear resistance and fatigue strength to prolong the service life of the part, and strengthen the surface layer structure, reduce the surface defects and improve the corrosion resistance of the material. The process is suitable for surface treatment of metal parts such as shafts, sleeves and planes, and is widely used in the fields of mechanical manufacturing, automobiles, aerospace and the like.

[0003] In the Chinese patent with publication number CN212705282U, a welding seam rolling strengthening device is disclosed, which comprises a rolling mechanism installed on a rack, the output end of the rolling mechanism contacts the workpiece, and the rolling mechanism comprises two groups that cooperate with each other, the workpiece is placed between the two groups of rolling mechanisms, so as to utilize the cold plasticity characteristics of metal at room temperature, apply a certain pressure to the surface of the workpiece by using the rolling mechanism, make the surface layer of the workpiece produce plastic flow, and can realize the reduction of the surface roughness of the workpiece, the improvement of the surface hardness, and the improvement of the wear resistance, corrosion resistance and service life of the workpiece surface.

[0004] When the existing rolling strengthening device is used, the joule heat generated by the electric pulse and the friction heat in the rolling process are superimposed, which can cause the temperature of the metal material surface to rise sharply, damage the workpiece structure, reduce the processing quality, and cause the local overheating of the device, thereby affecting the service life of the device and the performance of the material itself. SUMMARY

[0005] The purpose of the present application is to provide a rolling strengthening device based on electric pulse assistance to solve the problem of excessive temperature rise of the workpiece caused by heat superposition in the existing rolling strengthening device.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a rolling strengthening device based on electric pulse assistance, comprising a strengthening machine tool;

[0007] Two moving mechanisms are symmetrically installed on the top front side and rear side of the strengthening machine tool respectively;

[0008] A rolling mechanism is installed between the opposite sides of the two moving mechanisms;

[0009] The rolling mechanism comprises a fixed ring, three telescopic drive assemblies, three mounting seats, three rolling heads, three cooling pipes, six telescopic pipes and two annular pipes, the fixed ring is installed between the opposite faces of the two moving mechanisms, the three telescopic drive assemblies are respectively embeddedly installed on the three sides of the outer wall of the fixed ring, the three mounting seats are respectively installed on the output ends of the three telescopic drive assemblies, the three rolling heads are respectively installed in the interiors of the three mounting seats through bearings, the three cooling pipes are respectively embeddedly installed in the interiors of the three rolling heads, the six telescopic pipes are respectively installed at the two ends of the three cooling pipes through rotary joints, and the two annular pipes are respectively installed at the two ends of the fixed ring.

[0010] Two limiting frames are respectively installed on the upper portions of the inner walls of the two sides of the reinforcing machine tool.

[0011] A lubricating mechanism is slidingly installed between the two limiting frames.

[0012] A control cabinet is installed on the top left side of the reinforcing machine tool.

[0013] Further, the rolling mechanism further comprises two infusion pipes, two circulating pumps, a refrigeration pipe and two infrared temperature sensors, the two infusion pipes are respectively installed on the outer walls of the two annular pipes, the two circulating pumps are respectively installed at the other ends of the two infusion pipes, the two ends of the refrigeration pipe are respectively installed on the outer walls of the two circulating pumps, and the two infrared temperature sensors are respectively installed on the upper portions of the outer walls of the two sides of the fixed ring.

[0014] Further, the lubricating mechanism comprises a storage frame, a filter screen, a semiconductor refrigeration sheet and a heat dissipation sheet, the storage frame is slidingly installed between the two limiting frames, the filter screen is installed between the inner walls of the two sides of the storage frame, the semiconductor refrigeration sheet is embeddedly installed in the middle of the bottom inner wall of the storage frame, and the heat dissipation sheet is installed at the bottom end of the storage frame.

[0015] Further, the lubricating mechanism further comprises a liquid pumping pump, a transmission pipe, a lubricating spray head and two handles, the liquid pumping pump is installed on the lower side of the outer wall of the storage frame, the transmission pipe is installed at the other end of the liquid pumping pump, the lubricating spray head is installed at the other end of the transmission pipe, and the two handles are respectively installed on the upper portions of the outer walls of the two sides of the storage frame.

[0016] Further, a machine tool chuck is installed on the upper side of one end of the control cabinet, a positive electrode of a pulse power supply is installed on the outer wall of the machine tool chuck, a tail seat guide rail is installed on the lower side of one end of the control cabinet, a machine tool tail seat is slidingly installed on the top end of the tail seat guide rail, a negative electrode of the pulse power supply is installed on the outer wall of the machine tool tail seat, and a flow guide groove is formed in the middle of the top end of the reinforcing machine tool.

[0017] Further, the moving mechanism comprises a support frame, an adjusting screw, a moving frame and a rotary driving assembly, the support frame is installed at the top end of the reinforcing machine tool, the adjusting screw is installed between the upper portions of the inner walls of the two sides of the support frame through bearings, the moving frame is screw-installed on the outer wall of the adjusting screw, the outer wall of the moving frame is installed on the outer wall of the fixing ring, and the rotary driving assembly is installed on the upper side of one end of the support frame.

[0018] Further, the infrared temperature sensor, the circulating pump and the telescopic driving assembly are electrically connected with the control case, the refrigeration pipe is designed as a snake-shaped structure, a pressure sensor is arranged at the connecting position of the telescopic driving assembly and the mounting seat, the cooling pipe is designed as a spiral structure with a large middle portion and small two end portions, and the middle portion of the telescopic pipe is designed as a telescopic folding structure.

[0019] Further, the lubricating spray head is installed in the middle portion of the bottom end of the fixing ring, the liquid pumping pump and the semiconductor refrigerating sheet are electrically connected with the control case, and the filter screen is designed as an inclined structure.

[0020] Further, the positive pole of the pulse power supply and the negative pole of the pulse power supply are designed as conductive slip rings, the positive pole of the pulse power supply and the negative pole of the pulse power supply are electrically connected with the pulse generator through wires, and the workpiece is installed between the machine tool chuck and the tailstock.

[0021] Further, the moving frame is designed as an F-shaped structure, the moving frame is in sliding connection with the top frame wall of the support frame, and the rotary driving assembly is electrically connected with the control case.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] (1) Through the cooperative work of the fixing ring, the telescopic driving assembly, the mounting seat, the rolling head, the cooling pipe, the telescopic pipe and the annular pipe, the present application realizes efficient cooling of the rolling head, the rolling head is internally provided with the cooling pipe, low-boiling-point cooling liquid is introduced into the cooling pipe to realize efficient cooling, and the problem of excessive temperature rise of the workpiece caused by the superposition of Joule heat generated by the electric pulse and friction heat in the rolling process is prevented, meanwhile, through the connection of the telescopic pipe and the annular pipe, a circulating loop of the cooling liquid is formed, and the stability of the machining process and the quality of the workpiece are ensured.

[0024] (2) Through the cooperative work of the telescopic driving assembly, the mounting seat and the rolling head, the present application realizes uniform pressure on the surface of the workpiece and efficient rolling and strengthening, adopts a three-side rolling head design, the three rolling heads are symmetrically arranged at an angle of 120°, have natural centering property, can effectively prevent deformation of the slender shaft during machining, meanwhile, through the three telescopic driving assemblies, the contact state of the three rolling heads and the workpiece can be synchronously adjusted, different sizes of workpieces can be adapted, and thus better surface quality and mechanical properties are obtained.

[0025] (3) The workpiece is lubricated by the synergistic work of the storage frame, the filter screen, the semiconductor refrigerating sheet and the cooling fin and the like and the conductive lubricating liquid, the lubricating liquid has excellent conductive performance, can ensure that the electric pulse energy is efficiently and uniformly conducted to the material surface, can play a cooling role, reduces the friction heat, simultaneously reduces the wear speed of the rolling head, and after the lubricating liquid is filtered by the filter screen, is cooled by the semiconductor refrigerating sheet and the cooling fin, is delivered back to the rolling area by the liquid pumping pump, and forms a closed loop circulation system. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0027] Figure 1 One of the overall structure schematic diagram provided by the embodiment of the present application;

[0028] Figure 2 The second overall structure schematic diagram provided by the embodiment of the present application;

[0029] Figure 3 The connection diagram of the rolling mechanism, the moving mechanism and the lubricating mechanism provided by the embodiment of the present application;

[0030] Figure 4 The structure schematic diagram of the moving mechanism provided by the embodiment of the present application;

[0031] Figure 5 The structure schematic diagram of the rolling mechanism provided by the embodiment of the present application;

[0032] Figure 6 The structure schematic diagram of the fixed ring provided by the embodiment of the present application;

[0033] Figure 7 The structure sectional view of the mounting seat provided by the embodiment of the present application;

[0034] Figure 8 The structure sectional view of the lubricating mechanism provided by the embodiment of the present application.

[0035] Explanation of reference signs:

[0036] 1, reinforcement machine tool; 2, moving mechanism; 3, rolling mechanism; 4, limiting frame; 5, lubricating mechanism; 6, control machine box; 7, machine tool chuck; 8, positive pole of pulse power supply; 9, tail seat guide rail; 10, machine tool tail seat; 11, negative pole of pulse power supply; 12, flow guide groove; 21, support frame; 22, adjusting screw; 23, moving frame; 24, rotary drive assembly; 31, fixed ring; 32, telescopic drive assembly; 33, mounting seat; 34, rolling head; 35, cooling pipe; 36, telescopic pipe; 37, annular pipe; 38, infusion pipe; 39, circulating pump; 310, refrigeration pipe; 311, infrared temperature sensor; 51, storage frame; 52, filter screen; 53, semiconductor refrigeration piece; 54, cooling fin; 55, liquid pumping pump; 56, transmission pipe; 57, lubricating nozzle; 58, handle. DETAILED DESCRIPTION

[0037] In order to make the technical personnel in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0038] As shown in the accompanying Figure 1 to the accompanying Figure 8 As shown:

[0039] Example one:

[0040] The present application provides a kind of based on electric pulse auxiliary rolling reinforcement device, including reinforcement machine tool 1, using high-strength cast iron integrated molding, machine surface is coated with insulating paint, bottom is equipped with shock pad foot to improve processing stability;

[0041] Two moving mechanisms 2 are respectively symmetrically installed at the top front side and rear side of the reinforcement machine tool 1, to ensure the horizontal movement precision of the rolling mechanism 3;

[0042] Rolling mechanism 3 is installed between the opposite faces of the two moving mechanisms 2, for realizing the multidirectional rolling reinforcement processing of workpiece;

[0043] The rolling mechanism 3 comprises a fixed ring 31, three telescopic drive assemblies 32, three mounting seats 33, three rolling heads 34, three cooling pipes 35, six telescopic pipes 36 and two annular pipes 37. The fixed ring 31 is installed between the opposite faces of the two moving mechanisms 2, is of a hollow annular structure, is wrapped with an insulating layer, and is provided with an insulating gasket at the connection with the moving frame 23 to prevent the current on the workpiece from leaking to the moving mechanism 2 through the rolling mechanism 3, thereby avoiding affecting the electrical control elements of the moving mechanism 2. The three telescopic drive assemblies 32 are respectively embeddedly installed on three sides of the outer wall of the fixed ring 31 and are of an electric push rod or a pneumatic cylinder, which is used to adjust the position of the mounting seat 33 and is additionally provided with an insulating sleeve. The three mounting seats 33 are respectively installed at the output ends of the three telescopic drive assemblies 32 and are provided with an insulating gasket at the connection with the telescopic drive assemblies 32. The three rolling heads 34 are respectively installed in the interiors of the three mounting seats 33 through bearings and are made of wear-resistant hard alloy material. The three cooling pipes 35 are respectively embeddedly installed in the interiors of the three rolling heads 34. The six telescopic pipes 36 are respectively installed at the two ends of the three cooling pipes 35 through rotary joints to ensure the liquid sealing performance in the rotating state and are made of high-pressure flexible material. The two annular pipes 37 are respectively installed at the two ends of the fixed ring 31 and are respectively communicated with each of the six telescopic pipes 36.

[0044] Two limiting frames 4 are respectively installed on the upper portions of the inner walls of the two sides of the reinforced machine tool 1.

[0045] A lubricating mechanism 5 is slidingly installed between the two limiting frames 4 and is used to provide a conductive lubricating medium for the rolling processing area.

[0046] A control cabinet 6 is installed at the top left side of the reinforced machine tool 1 and is internally integrated with a PLC controller, a power module and a signal processing module. The shell of the control cabinet 6 is made of insulating material, and the inlet and outlet ports are sealed and insulated.

[0047] The rolling mechanism 3 further comprises two infusion pipes 38, two circulating pumps 39, a refrigeration pipe 310 and two infrared temperature sensors 311. The two infusion pipes 38 are respectively installed on the outer walls of the two annular pipes 37 and are made of high-pressure rubber pipes. The infusion pipes 38 are provided with electromagnetic valves. The two circulating pumps 39 are respectively installed at the other ends of the two infusion pipes 38. The two ends of the refrigeration pipe 310 are respectively installed on the outer walls of the two circulating pumps 39 to form a closed cooling circulation loop. The two infrared temperature sensors 311 are respectively installed on the upper portions of the outer walls of the two sides of the fixed ring 31, with the detection ends thereof facing the surface of the workpiece and the detection range covering the entire rolling contact area.

[0048] The machine tool chuck 7 is installed on one end of the control cabinet 6, and is a four-jaw self-centering chuck capable of quickly clamping and fixing a workpiece. The outer wall of the machine tool chuck 7 is provided with a positive electrode 8 of a pulse power supply. An insulating gasket is installed at the connecting part of the machine tool chuck 7 and the control cabinet 6 to prevent the current of the positive electrode 8 of the pulse power supply from leaking to the control cabinet 6 through the machine tool chuck 7, thereby avoiding the electrification of the machine tool as a whole. A tail seat guide 9 is installed on the lower side of one end of the control cabinet 6. The tail seat guide 9 is slidably installed with a machine tool tail seat 10 at the top end. The machine tool tail seat 10 can move along the tail seat guide 9 to adapt to workpieces of different lengths. The outer wall of the machine tool tail seat 10 is provided with a negative electrode 11 of a pulse power supply. An insulating gasket is installed at the contact part of the machine tool tail seat 10 and the tail seat guide 9 to block the current of the negative electrode 11 of the pulse power supply from being conducted to other parts of the machine tool through the guide. A flow guide groove 12 is formed in the middle of the top end of the machine tool 1 to recover the lubricating liquid dripping during processing.

[0049] The infrared temperature sensor 311, the circulating pump 39 and the telescopic driving assembly 32 are all electrically connected with the control cabinet 6 to realize signal transmission and automatic control. The refrigeration pipe 310 is designed in a snake shape and is located above the semiconductor refrigeration sheet 53 in the storage frame 51, which can increase the contact area with the cooling medium to improve the refrigeration efficiency. A pressure sensor is arranged at the connecting part of the telescopic driving assembly 32 and the mounting seat 33, and the signal output end of the pressure sensor is electrically connected with the control cabinet 6 for real-time monitoring of the rolling pressure. The cooling pipe 35 is designed in a spiral structure with large middle and small ends, which can prolong the flow path of the cooling liquid in the pipe to improve the cooling effect. The middle part of the telescopic pipe 36 is designed in a telescopic folding structure to adapt to the stroke change of the telescopic driving assembly 32.

[0050] The positive electrode 8 and the negative electrode 11 of the pulse power supply are both designed as conductive slip rings, and an insulating sleeve is added to the outer layer of the conductive slip ring to ensure stable transmission of the electric pulse in the rotating state. The positive electrode 8 and the negative electrode 11 of the pulse power supply are both electrically connected with the pulse generator through insulated wires. The workpiece is installed between the machine tool chuck 7 and the machine tool tail seat 10, and the two ends of the workpiece are in conductive contact with the machine tool chuck 7 and the machine tool tail seat 10 respectively to form an electric pulse loop.

[0051] Working principle: when working, first install the workpiece between the machine tool chuck 7 and the machine tool tailstock 10, the positive pole 8 of the pulse power on the outer wall of the machine tool chuck 7 and the negative pole 11 of the pulse power on the outer wall of the machine tool tailstock 10 can apply electric pulse assistance in the rolling strengthening process, the control machine box 6 as the core control unit, first control the three telescopic drive assemblies 32 to act according to the size of the workpiece, drive the three rolling heads 34 to adjust the contact state with the workpiece synchronously through the mounting seat 33, and the pressure sensor at the connection between the telescopic drive assembly 32 and the mounting seat 33 feedbacks the pressure signal in real time, ensures that the three rolling heads 34 distributed at 120° apply uniform rolling pressure, realizes uniform pressure and efficient rolling strengthening on the surface of the workpiece, and further avoids the deformation of the slender shaft workpiece, greatly improves the machining automation degree and force application accuracy, so that the workpiece obtains better surface quality and mechanical properties, in the rolling process, the control machine box 6 synchronously starts the circulating pump 39, drives the low-boiling-point cooling liquid to be cooled through the refrigeration pipe 310, is sent into the annular pipe 37 through the liquid delivery pipe 38, and then is introduced into the cooling pipe 35 in the rolling head 34 through the telescopic pipe 36, so that a complete cooling liquid circulation loop is formed, efficient heat conduction cooling is realized by virtue of the close fit between the cooling pipe 35 and the inner wall of the rolling head 34, and at the same time, the infrared temperature sensor 311 monitors the workpiece surface temperature in real time, if the temperature exceeds the standard, the control machine box 6 automatically increases the cooling liquid flow of the circulating pump 39 to avoid uncontrolled temperature rise. This design not only realizes efficient cooling and accurate temperature control of the rolling head 34, but also prevents the workpiece temperature from rising too high due to the superposition of joule heat generated by electric pulse and rolling friction heat, which not only ensures the machining quality and avoids local overheating of the device, but also guarantees the service life of the device and the performance of the material itself.

[0052] Embodiment two

[0053] This embodiment is basically the same as the previous embodiment, the difference lies in that the lubricating mechanism 5 includes a storage frame 51, a filter screen 52, a semiconductor refrigeration piece 53 and a heat dissipation fin 54, the storage frame 51 is slidingly installed between the two limiting frames 4, the storage frame 51 is a rectangular box structure with an open top, the outer layer of the storage frame 51 is coated with insulating paint, the filter screen 52 is installed between the two inner walls of the storage frame 51, the filter screen 52 is a stainless steel mesh for filtering impurities in the recovered lubricating liquid, the semiconductor refrigeration piece 53 is embeddedly installed in the middle of the bottom inner wall of the storage frame 51, and the refrigeration surface thereof faces the inside of the storage frame 51 to cool the lubricating liquid, the outer shell of the semiconductor refrigeration piece 53 is insulated, and the heat dissipation fin 54 is installed at the bottom end of the storage frame 51, the heat dissipation fin 54 is an aluminum alloy heat dissipation fin structure, which is attached to the bottom end of the storage frame 51 through heat-conducting silicone grease and tightly contacts the heat dissipation surface of the semiconductor refrigeration piece 53 to improve the heat dissipation efficiency;

[0054] The lubricating mechanism 5 further comprises a pumping pump 55, a transmission pipe 56, a lubricating nozzle 57 and two handles 58, the pumping pump 55 is installed on the lower side of the outer wall of the storage frame 51, the liquid inlet of the pumping pump 55 extends to the bottom of the storage frame 51, the shell of the pumping pump 55 is insulated and grounded, the transmission pipe 56 is installed on the other end of the pumping pump 55, the transmission pipe 56 is made of flexible hose, has good elasticity and wear resistance, the transmission pipe 56 is wrapped with an insulation layer, the lubricating nozzle 57 is installed on the other end of the transmission pipe 56, the lubricating nozzle 57 is made of a multi-head atomizing nozzle, which can uniformly spray lubricating liquid to the contact area between the workpiece and the rolling head 34, and the two handles 58 are respectively installed on the upper part of the outer wall of the two sides of the storage frame 51.

[0055] The lubricating nozzle 57 is inserted into the middle part of the bottom end of the fixed ring 31, and the spraying direction of the lubricating nozzle 57 is opposite to the workpiece, the pumping pump 55 and the semiconductor refrigeration sheet 53 are electrically connected with the control cabinet 6, and the pumping flow and the refrigeration temperature can be adjusted through the control cabinet 6, and the filter screen 52 is arranged in an inclined structure, which can improve the impurity filtering efficiency and facilitate cleaning.

[0056] Working principle: during the rolling process, the control cabinet 6 controls the semiconductor refrigeration sheet 53 and the pumping pump 55 to start, the semiconductor refrigeration sheet 53 cools and refrigerates the lubricating liquid, then the pumping pump 55 pumps the refrigerated lubricating liquid in the storage frame 51, the lubricating liquid is delivered to the lubricating nozzle 57 through the transmission pipe 56, the lubricating nozzle 57 sprays the lubricating liquid to the contact area between the rolling head 34 and the workpiece, the lubricating liquid is conductive lubricating liquid, which not only has excellent conductivity, can ensure that the electric pulse energy is efficiently and uniformly conducted to the material surface, but also can play a cooling role, reduce the friction heat, at the same time, reduce the wear speed of the rolling head 34, prolong the service life of the rolling head 34, and the used lubricating liquid flows back to the storage frame 51 through the flow guide groove 12, the impurities in the lubricating liquid can be filtered through the inclined filter screen 52 first, the filtered lubricating liquid is stored at the bottom of the storage frame 51, at this time, the semiconductor refrigeration sheet 53 can be used to cool the lubricating liquid, realizing effective cooling, filtering and recycling of the lubricating liquid, the lubricating liquid filtered by the filter screen 52 is cooled by the semiconductor refrigeration sheet 53, and then delivered back to the rolling area by the pumping pump 55, forming a closed loop circulation system, improving the resource utilization efficiency and reducing the production cost.

[0057] Example three:

[0058] The embodiment is basically same with the last embodiment, the difference is that the moving mechanism 2 comprises a support frame 21, an adjusting screw 22, a moving frame 23 and a rotary drive assembly 24, the support frame 21 is installed on the top end of the reinforcing machine tool 1, the support frame 21 is a portal frame structure, the surface of the support frame 21 is insulated, the adjusting screw 22 is installed between the upper parts of the inner walls of the two sides of the support frame 21 through bearings, the adjusting screw 22 adopts a high-precision ball screw, the moving frame 23 is screw-installed on the outer wall of the adjusting screw 22, and the outer wall of the moving frame 23 is installed on the outer wall of the fixing ring 31, the rotary drive assembly 24 is installed on the upper side of one end of the support frame 21, the rotary drive assembly 24 adopts a motor or a driver, and is used for driving the adjusting screw 22 to rotate, the shell of the rotary drive assembly 24 is insulated and grounded;

[0059] The moving frame 23 is provided in an F-shaped structure and is in sliding connection with the top frame wall of the support frame 21, so that the support frame 21 can guide and limit the moving frame 23, and the guiding accuracy in the moving process is ensured, the rotary drive assembly 24 is electrically connected with the control case 6, and the stepless adjustment of the moving speed can be realized.

[0060] Working principle: when the workpiece is installed between the machine tool chuck 7 and the machine tool tailstock 10, and an electric pulse is applied through the positive pole 8 and the negative pole 11 of the pulse power source, the rotary drive assembly 24 is started under the control of the control case 6, the rotary drive assembly 24 drives the adjusting screw 22 to rotate, and then the moving frame 23 moves along the adjusting screw 22, so as to drive the fixing ring 31 and the rolling mechanism 3 to move, the rolling reinforcement of different positions of the workpiece is realized, and the stability of the movement can be ensured through the sliding limiting of the moving frame 23 on the support frame 21.

[0061] The above only describes some exemplary embodiments of the application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the application for those skilled in the art. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the application.

Claims

1. An apparatus for electro-pulse assisted roll bonding reinforcement, characterized by, Include: Reinforced machine tool (1); Two moving mechanisms (2) are symmetrically installed on the top front and rear sides of the reinforced machine tool (1); Rolling mechanism (3) is installed between the opposite sides of the two moving mechanisms (2); The rolling mechanism (3) includes a fixed ring (31), three telescopic drive assemblies (32), three mounting seats (33), three rolling heads (34), three cooling pipes (35), six telescopic pipes (36) and two annular pipes (37), the fixed ring (31) is installed between the opposite sides of the two moving mechanisms (2), three telescopic drive assemblies (32) are respectively embeddedly installed on the three sides of the outer wall of the fixed ring (31), three mounting seats (33) are respectively installed on the output ends of the three telescopic drive assemblies (32), three rolling heads (34) are respectively installed inside the three mounting seats (33) through bearings, three cooling pipes (35) are respectively embeddedly installed inside the three rolling heads (34), six telescopic pipes (36) are respectively installed at both ends of the three cooling pipes (35) through rotary joints, and two annular pipes (37) are respectively installed at both ends of the fixed ring (31). Two limiting frames (4) are respectively installed on the upper parts of the inner walls of the two sides of the reinforced machine tool (1); Lubricating mechanism (5) is slidingly installed between the two limiting frames (4); Control case (6) is installed on the top left side of the reinforced machine tool (1).

2. The apparatus according to claim 1, wherein The rolling mechanism (3) further includes two infusion tubes (38), two circulating pumps (39), a refrigeration pipe (310) and two infrared temperature sensors (311), the two infusion tubes (38) are respectively installed on the outer walls of the two annular pipes (37), the two circulating pumps (39) are respectively installed at the other ends of the two infusion tubes (38), the two ends of the refrigeration pipe (310) are respectively installed on the outer walls of the two circulating pumps (39), and the two infrared temperature sensors (311) are respectively installed on the upper parts of the outer walls on both sides of the fixed ring (31).

3. The apparatus according to claim 1, wherein The lubricating mechanism (5) includes a storage frame (51), a filter screen (52), a semiconductor refrigerating sheet (53) and a heat dissipation fin (54), the storage frame (51) is slidingly installed between the two limiting frames (4), the filter screen (52) is installed between the inner walls on both sides of the storage frame (51), the semiconductor refrigerating sheet (53) is embeddedly installed in the middle of the bottom inner wall of the storage frame (51), and the heat dissipation fin (54) is installed at the bottom end of the storage frame (51).

4. The apparatus according to claim 3, wherein The lubricating mechanism (5) further includes a liquid pumping pump (55), a transmission pipe (56), a lubricating spray head (57) and two handles (58), the liquid pumping pump (55) is installed on the lower side of the outer wall of the storage frame (51), the transmission pipe (56) is installed at the other end of the liquid pumping pump (55), the lubricating spray head (57) is installed at the other end of the transmission pipe (56), and the two handles (58) are respectively installed on the upper parts of the outer walls on both sides of the storage frame (51).

5. The apparatus for electro-pulse assisted roll bonding of claim 1, wherein, The control cabinet (6) is provided with a machine tool chuck (7) on one end of the upper side, the outer wall of the machine tool chuck (7) is provided with a pulse power positive electrode (8), one end of the lower side of the control cabinet (6) is provided with a tail seat guide rail (9), the top end of the tail seat guide rail (9) is slidably provided with a machine tool tail seat (10), the outer wall of the machine tool tail seat (10) is provided with a pulse power negative electrode (11), and the top end of the reinforced machine tool (1) is provided with a flow guide groove (12).

6. The apparatus for electro-pulse assisted roll bonding of claim 1, wherein, The moving mechanism (2) comprises a supporting frame (21), an adjusting screw (22), a moving frame (23) and a rotary drive assembly (24), the supporting frame (21) is installed on the top end of the reinforced machine tool (1), the adjusting screw (22) is installed on the upper part between the inner walls of the two sides of the supporting frame (21) through bearings, the moving frame (23) is threadedly installed on the outer wall of the adjusting screw (22), and the outer wall of the moving frame (23) is installed on the outer wall of the fixing ring (31), and the rotary drive assembly (24) is installed on one end of the upper side of the supporting frame (21).

7. The apparatus according to claim 2, wherein The infrared temperature sensor (311), the circulating pump (39) and the telescopic drive assembly (32) are electrically connected with the control cabinet (6), the refrigeration pipe (310) is designed as a snake type structure, the telescopic drive assembly (32) is provided with a pressure sensor at the connection with the mounting seat (33), the cooling pipe (35) is designed as a spiral structure with large middle and small ends, and the middle part of the telescopic pipe (36) is designed as a telescopic folding structure.

8. The apparatus according to claim 4, wherein The lubricating nozzle (57) is inserted and installed in the middle part of the bottom end of the fixing ring (31), the liquid pump (55) and the semiconductor refrigerating sheet (53) are electrically connected with the control cabinet (6), and the filter screen (52) is designed as an inclined structure.

9. The apparatus according to claim 5, wherein The pulse power positive electrode (8) and the pulse power negative electrode (11) are designed as conductive slip rings, and the pulse power positive electrode (8) and the pulse power negative electrode (11) are electrically connected with the pulse generator through wires, and the machine tool chuck (7) and the machine tool tail seat (10) are provided with a workpiece.

10. The apparatus according to claim 6, wherein The moving frame (23) is designed as an F-shaped structure, and the moving frame (23) is slidably connected with the top frame wall of the supporting frame (21), and the rotary drive assembly (24) is electrically connected with the control cabinet (6).

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