CN214442575U - Manufacturing equipment of oil cooler pipe with reinforcing sheet - Google Patents

Abstract

The utility model discloses a manufacture equipment of oil cooler pipe of outer area reinforcement piece, including body forming device, go up reinforcement piece forming device, lower reinforcement piece forming device and clamping device, body forming device, go up reinforcement piece forming device, lower reinforcement piece forming device lean on with clamping device respectively, it has the forming roller to be provided with a plurality of areas in the body forming device side by side, upward be equipped with reinforcement piece forming roller in the reinforcement piece forming device, be equipped with down reinforcement piece forming roller in the reinforcement piece forming device down, body level conveying is to clamping device's mould middle part, and the centre gripping is hugged closely in the body outside with last reinforcement piece, lower reinforcement piece after the body passes clamping device with last reinforcement piece, lower reinforcement piece simultaneously, clamping device's exit end is equipped with the cutting machine. The utility model provides a manufacture equipment of oil cooler pipe of outer area gusset plate, full automatic production body, and the body intensity of production is big, simple structure, and the preparation is fast, has good application prospect.

Description

Manufacturing equipment of oil cooler pipe with reinforcing sheet

Technical Field

The utility model relates to an automobile cooling tube production technical field, in particular to take preparation equipment of oil cooler pipe of gusset outward.

Background

When an automobile runs, the temperature of the lubricating oil contained in the gear box is continuously increased due to power transmission, and if the temperature of the lubricating oil is too high, the lubricating oil may boil and lose the lubricating effect, so that the gear is easy to wear. In the existing automobile structure configuration, an oil cooler pipe is arranged for cooling lubricating oil, and the oil temperature is ensured to be within a normal working range.

The automobile oil cooler in the prior art comprises an oil cooler pipe body, wherein the oil cooler pipe body is provided with an inner double-layer pipe wall and an outer double-layer pipe wall, the pipe ends of the inner double-layer pipe wall and the outer double-layer pipe wall are sealed and sealed, an oil passing cavity is defined in the middle of the inner double-layer pipe wall and the outer double-layer pipe wall, one end of the outer pipe wall of the oil cooler pipe body is provided with an oil inlet, the other end of the outer pipe wall of the oil cooler pipe body is provided with an oil outlet, oil inlet and outlet ports are communicated with the oil passing cavity, and an inner hole and an outer wall of the oil cooler pipe body are in contact with cooling water when engine oil is cooled. However, the cooling area of the pipe body is limited, and a better oil cooling effect cannot be achieved. Secondly, when assembling the oil cooler body into the oil cooler, because structural design is unreasonable, lead to welding strength not enough for the operating pressure that the during operation can bear of oil cooling body is less, and the pressure intensity of oil cooling body business turn over end is also relatively weak, can not satisfy operation requirement. Therefore, the application strength of the pipe body of the oil cooler is enhanced, and the key for improving the performance of the oil cooler is realized. The existing oil cooling pipe is also provided with the strength which is increased by inserting the reinforcing sheet into the pipe body, but the reinforcing sheet is inserted into the oil cooling pipe, the manual manufacturing is needed, the working efficiency is low, and the production and manufacturing are slow, so that the oil cooling pipe which can solve the problems is found.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a manufacture equipment of oil cooler pipe of outer area reinforcement piece, this oil cooler pipe intensity is high, accords with present oil cooler's work needs, and simple manufacture, but full automatic processing makes, and the preparation is fast, and is efficient, has solved the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a manufacturing device of an oil cooler pipe with a reinforcing sheet outside comprises a pipe body forming device, an upper reinforcing sheet forming device, a lower reinforcing sheet forming device and a clamping device, wherein the pipe body forming device and the clamping device are arranged at a certain distance, the upper reinforcing sheet forming device and the lower reinforcing sheet forming device are respectively arranged at two sides of a connecting line of the pipe body forming device and the clamping device, a plurality of pipe body forming rollers with pipe bodies are arranged in the pipe body forming device side by side, a mould in the side by side pipe body forming rollers is arranged from the horizontal direction to a V shape along a conveying direction, the included angle of the V shape is gradually reduced to press the sheet material into the pipe body with convex strips at the upper side and the lower side, a plurality of groups of upper reinforcing sheet forming rollers are arranged in the upper reinforcing sheet forming device to gradually press the sheet material of the reinforcing sheet material into an arc shape with an opening facing downwards from the horizontal direction, a lower reinforcing sheet forming roller is arranged in the lower reinforcing sheet forming device, and the mould direction in the lower reinforcing sheet forming roller is opposite to the upper reinforcing sheet forming roller, the pipe body, the upper reinforcing sheet and the lower reinforcing sheet are tightly clamped outside the pipe body after penetrating through the clamping device, and a cutting machine is arranged at the outlet end of the clamping device.

Furthermore, the tube forming roller is formed by combining an upper roller and a lower roller, a pressing groove which is sunken downwards is formed in the center of the tube forming roller, a convex strip of the tube is pressed out of the center line of a sheet of the tube, a half of the convex strip is pressed out of two side edges of the sheet, the sheets are combined to form a complete convex strip, and the sheet in the last roller of the tube forming roller penetrates through the complete convex strip to form the final shape of the tube.

Further, the body is flat body, and the both sides of this body all are equipped with circular-arc sand grip.

Furthermore, a plurality of groups of upper reinforcing sheet forming rollers arranged on the upper reinforcing sheet forming device are driving rollers which are meshed up and down, arc-shaped meshing grooves which are sunken downwards are formed in the center lines of the upper reinforcing sheet forming rollers, and the radian of the meshing grooves in the upper reinforcing sheet forming rollers which are arranged side by side is increased towards the driving direction in sequence.

Further, the upper reinforcing sheet forming rollers are provided with 3-5 groups.

Furthermore, a lower reinforcing sheet forming roller and meshing grooves in opposite directions are arranged in the lower reinforcing sheet forming device, and other structures are consistent with those of the upper reinforcing sheet forming device.

Furthermore, a plurality of groups of clamping rollers are arranged in the clamping device, the clamping rollers are formed by matching an upper roller and a lower roller, and an upper reinforcing sheet and a lower reinforcing sheet are respectively fixed on the upper raised line and the lower raised line of the pipe body.

According to the utility model discloses an outer area reinforcement piece oil cooler pipe, its technological effect as follows:

1. the utility model discloses a body forming device, go up and add reinforcing plate forming device, add reinforcing plate forming device down and divide three route to convey to clamping device together, make and add the reinforcing plate and lie in the upper and lower below of body respectively with lower reinforcing plate, then clamping device directly presss from both sides tightly, make the body shaping, the whole automatic shaping of process, the preparation is fast, and the body highly uniform of preparation does benefit to the preparation of later stage oil cooler.

2. The reinforcing piece of traditional oil cooler pipe is inserted and is established body inner wall both sides, need the manual work to insert and establish, the operating speed is slow, the preparation is inefficient, the preparation equipment of this application is direct to be fixed the reinforcing piece centre gripping in the body outside, and the external shape of body and traditional oil cooler pipe keep unchangeable, can guarantee traditional oil cooler pipe low weight, material saving, when some that intensity is high, and machining efficiency is accelerated, the fixing of reinforcing piece centre gripping can be at the direct shaping on automatic assembly line in the outside, need not manual operation, greatly increased the preparation efficiency of oil cooler pipe.

Generally speaking, the utility model discloses a preparation that preparation equipment can full-automatic completion body, the preparation is fast, and the body of preparation is unanimous basically, and intensity is big, can bear great operating pressure, simple structure, simple to operate, cooling efficiency is high, and raw and other materials are with low costs, and the preparation is fast moreover, is convenient for long-term batch production, has good application prospect.

The utility model discloses an oil cooler pipe is the body that has the sand grip with sheet an organic whole bending into both sides, is equipped with the reinforcement piece of hugging closely the sand grip in the sand grip outside, and this reinforcement piece direct centre gripping is fixed in the outside of sand grip and links up with the outside face level and smooth of body. The reinforcing sheet is additionally arranged on the outer side of the pipe body, the thickness of the side wall is increased, the strength of the outer pipe body is guaranteed under the condition that the width of the outer pipe body is unchanged and the thickness of the outer pipe body is smaller, and when the oil cooler pipe is assembled into an oil cooler, the working pressure can be higher, the pressure strength of the inlet end and the outlet end of the pipe is guaranteed, and lubricating oil can smoothly flow into and flow out of the pipe. The utility model discloses still reduced the manufacturing material of whole body, reduced the weight of body, be favorable to reducing the whole weight of oil cooler, practiced thrift manufacturing cost.

The inner fins are arranged in the tube body, and the inner fins are provided with the trapezoidal turbulent flow grooves which are staggered up and down, so that the heat exchange area in the tube is increased, the turbulence in the tube is enhanced, and the heat exchange efficiency in the tube is ensured; the using amount of the oil cooler pipe is reduced under the condition of ensuring the same heat exchange effect, the material is saved, and the production cost is reduced.

3. The utility model discloses can evenly set up a plurality of pits and a plurality of bump along vortex groove axial interval including the vortex groove both sides face of fin, can slow down the lubricating oil velocity of flow, increase the surface area of fin in, surface area's improvement is just equivalent to further improves intraductal turbulent degree, increases cooling area to can realize better lubricating oil cooling effect.

Drawings

Fig. 1 is a schematic view of the overall structure of an oil cooler pipe according to the present invention;

fig. 2 is a schematic cross-sectional structure diagram of an oil cooler pipe according to the present invention;

FIG. 3 is a schematic structural view of an apparatus for manufacturing the oil cooler pipe of the present invention;

fig. 4 is a schematic cross-sectional view of the oil cooler pipe body of the present invention during forming;

fig. 5 is a schematic cross-sectional view of the oil cooler tube reinforcing sheet forming device of the present invention;

FIG. 6 is a schematic structural view of an oil cooler tube of comparative example 1;

FIG. 7 is a schematic structural view of an oil cooler tube of comparative example 2;

FIG. 8 is a schematic view showing the shape change of the oil cooler pipe body during processing according to the present invention;

fig. 9 is a schematic structural view of the forming device for reinforcing plate of oil cooler pipe of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

An oil cooler pipe with reinforcing sheets outside comprises a pipe body 101, wherein the pipe body 101 is a flat pipe body, circular-arc convex strips 102 are arranged on two sides of the pipe body 101, the outer sides of the convex strips 102 are tightly covered with circular-arc reinforcing sheets 103, the outer side surfaces of the reinforcing sheets 103 are smoothly connected with the upper surface and the lower surface of the pipe body 101, fins 104 are arranged in the pipe body 101, the fins 104 are arranged in a broken line to form a plurality of turbulence grooves 105 with staggered notches, the bearing capacity of the pipe body 101 can be increased by increasing the reinforcing sheets 103, the reinforcing sheets 103 are arranged outside the pipe body 101 to facilitate full-automatic processing and combination by using mechanical equipment, the manufacturing efficiency is improved, the prepared oil cooler pipe is integrally bent into the pipe body 101 with the convex strips on two sides, reinforcing sheets tightly attached to the convex strips are arranged outside the convex strips 102, and are directly clamped and fixed on the outer sides of the convex strips and are smoothly connected with the outer side surfaces of the pipe body, the structure is simple. The reinforcing sheet 103 is additionally arranged on the outer side of the pipe body 101, the thickness of the side wall is increased, the strength of the pipe body 101 is guaranteed under the condition that the width of the pipe body 101 is unchanged and the thickness of the pipe body is smaller, and when the oil cooler pipe is assembled into an oil cooler, the pipe can bear larger working pressure, and the pressure strength of the inlet end and the outlet end of the pipe is guaranteed, so that lubricating oil smoothly flows in and out. The whole pipe body is thin, manufacturing materials of the whole pipe body are reduced, the weight of the pipe body is reduced, the whole weight of the oil cooler is favorably reduced, and production cost is saved.

The reinforcing sheet 103 is directly clamped outside the convex strip 102, and the length of the reinforcing sheet 103 is consistent with that of the pipe body 101; the cross sections of the convex strips 102 and the reinforcing sheet 103 are semicircular, the inner diameter of the reinforcing sheet 103 is equal to the width of the inner wall of the pipe body 101, the thickness of the material of the reinforcing sheet 103 is 0.5mm, and the reinforcing sheet 103 is added under the condition that the whole volume of the pipe body 101 is not changed so as to increase the strength of the oil cooler pipe.

The cross section of the pipe body 101 is 100mm long and 10mm wide; body 101 is by a sheet integrated into one piece, and the interface of body 101 is located the centre of one of them sand grip, the simple structure of whole body, and the interface is located the centre of sand grip 102, uses curved reinforcement piece 103 to cover after the welding again, is favorable to increasing the intensity of whole reinforcement piece, is equivalent to with reinforcing piece 103 to consolidate and cliies the interface, increases the compressive strength of interface.

The fins 104 are arranged in the pipe body 101 in a zigzag shape, and the axial turbulence grooves 105 of the pipe body 101 are distributed in a left-right staggered manner along the axial direction; the fins 104 are fixed in the tube body 101, the upper and lower surfaces of the fins are respectively tightly attached to the inner wall of the tube body 101 to fill the tube body, and the length of the whole fin is consistent with that of the tube body. The width of the bottom of the turbulent flow groove is 3mm, the included angle between two side walls of the turbulent flow groove 105 is 5 degrees, and the trapezoidal turbulent flow grooves 105 which are staggered up and down are arranged on the fins in the tube body 101, so that the heat exchange area in the tube is increased, the turbulence in the tube is enhanced, and the heat exchange efficiency in the tube is ensured; the using amount of the oil cooler pipe is reduced under the condition of ensuring the same heat exchange effect, the material is saved, and the production cost is reduced. Still can evenly set up a plurality of concave points and a plurality of bump along vortex groove 105 axial interval at vortex groove both sides face of fin 104, can slow down the lubricating oil velocity of flow, increase the surface area of interior fin, and surface area's improvement is just equivalent to further improving intraductal turbulent flow degree, increases cooling area to can realize better lubricating oil cooling effect.

The preparation equipment of the oil cooler pipe comprises the following steps:

a manufacturing device of an oil cooler pipe with a reinforcing sheet outside comprises a pipe body forming device 201, an upper reinforcing sheet forming device 202, a lower reinforcing sheet forming device 203 and a clamping device 204, wherein the pipe body forming device 201 and the clamping device 204 are arranged at a certain distance, the upper reinforcing sheet forming device 202 and the lower reinforcing sheet forming device 203 are respectively arranged at two sides of a connecting line of the pipe body forming device 201 and the clamping device 204, a plurality of pipe body forming rollers 205 are arranged in the pipe body forming device 201 side by side, a mould in the pipe body forming rollers 205 side by side is arranged from horizontal to V-shaped along a conveying direction, the included angle of the V-shaped is gradually reduced to press a sheet material into a pipe body 101 with convex strips at the upper side and the lower side, a plurality of groups of upper reinforcing sheet forming devices 206 are arranged in the upper reinforcing sheet forming device 202, the sheet material of the reinforcing sheet 103 is gradually pressed into a circular arc shape with an opening facing downwards from horizontal, and a lower reinforcing sheet forming roller 207 is arranged in the lower reinforcing sheet forming device 203, the direction of a mold in the lower reinforcing sheet forming roller 207 is opposite to that of the upper reinforcing sheet forming roller 206, other structures are consistent, an arc-shaped lower reinforcing sheet 208 with an upward opening is pressed through the lower reinforcing sheet forming roller 207, the pipe body 101 is horizontally conveyed to the middle of the mold of the clamping device 204, the upper reinforcing sheet 209 is transmitted to the clamping device and is positioned right above the pipe body 101, the lower reinforcing sheet 208 is transmitted to the clamping device 204 and is positioned right below the pipe body 101, after the pipe body 101, the upper reinforcing sheet 209 and the lower reinforcing sheet 208 simultaneously penetrate through the clamping device, the upper reinforcing sheet 209 and the lower reinforcing sheet 208 are tightly clamped outside the pipe body 101, and a cutting machine is arranged at the outlet end of the clamping device 204. This preparation equipment adopts body forming device 201, goes up reinforcement piece forming device 202, adds reinforcement piece forming device 203 down and sends to clamping device 204 together in three route, makes and adds reinforcement piece 209 and adds reinforcement piece 208 below being located the upper and lower of body 101 respectively down, then clamping device 204 directly presss from both sides tightly, makes the shaping of body 101, and whole process is whole automatic molding, and the preparation is fast, and the body highly uniform of preparation does benefit to the preparation of later stage oil cooler.

The tube body forming roller 201, the upper reinforcing sheet forming roller 202, the lower reinforcing sheet forming roller 203 and the clamping device 204 are respectively provided with an upper roller 210 and a lower roller 211, the tube body sheet is driven by the relative rotation between the upper roller 210 and the lower roller 211, the sheet is pressed into a required shape by a die formed by matching the middle of the upper roller 210 and the lower roller 211 while the transmission is carried out, the tube body forming roller 205, the upper reinforcing sheet forming roller 206 and the lower reinforcing sheet forming roller 207 are respectively provided with a plurality of groups, the dies among the groups are in a gradual change state, and the sheet is gradually pressed and bent into the tube body 101 with the reinforcing sheet. For example, the first tube forming roller first presses a convex strip on a sheet, the second tube forming roller bends the sheet on both sides of the convex strip upwards by a certain angle to form a V-shape, the second tube forming roller bends upwards by a certain angle to gradually reduce the angle of the V-shape, and finally, the tube 101 connected with the upper end to form another convex strip is formed.

The tube forming roller 205 is formed by combining an upper roller and a lower roller, a pressing groove which is concave downwards is arranged at the center of the tube forming roller, a convex strip 102 of the tube is pressed on the center line of a sheet of the tube, a half of the convex strip is pressed on two side edges of the sheet, the sheet is combined to form a complete convex strip 102, the sheet in the last roller of the tube forming roller 205 penetrates through the sheet to form the final shape of the tube, the tube is a flat tube, and the two sides of the tube are both provided with arc-shaped convex strips 102. The operation of pressing the ribs 102 on the sheet is easy, and the tube body with the ribs 102 can be directly formed by rolling the sheet into the tube body.

The plurality of groups of upper reinforcing sheet forming rollers 206 arranged on the upper reinforcing sheet forming device 202 are driving rollers which are meshed up and down, arc-shaped pressing grooves which are sunken downwards are arranged at the central line of the upper reinforcing sheet forming rollers 206, and the radian of the pressing grooves in the upper reinforcing sheet forming rollers 206 which are arranged side by side is sequentially increased towards the driving direction; the upper reinforcing sheet forming rollers 206 are provided with 3-5 groups, and a plurality of groups of upper reinforcing sheet forming rollers 206 are arranged to press and form the pipe body in one step, so that the pipe body is gradually deformed and is not easy to damage.

The lower reinforcing sheet forming device 207 is provided therein with lower reinforcing sheet forming rollers 207 and press-fitting grooves in opposite directions, and the other structure is identical to that of the upper reinforcing sheet forming device 202.

The clamping device 204 is provided with a plurality of groups of clamping rollers 212, which are formed by the cooperation of an upper roller and a lower roller, and the upper reinforcing plate 209 and the lower reinforcing plate 208 are respectively fixed on the upper rib and the lower rib of the tube body. The clamping device 204 controls the pressurization through a control system, which is the prior art and can arrange a plurality of groups of clamping rollers side by side to gradually increase the applied pressure and gradually clamp.

The preparation process for preparing the oil cooler pipe by using the equipment comprises the following steps:

the preparation process of the oil cooler pipe with the reinforcing sheet comprises the following steps:

(1) forming a pipe body: firstly, placing a pipe body sheet material in a pipe body forming device 203, pressing convex strips, slowly pressing the pipe body sheet material into a pipe body 101 with convex strips on the upper side and the lower side through a driving roller, and horizontally conveying the pipe body sheet material into a clamping device after the pipe body sheet material is formed;

(2) and (3) forming a reinforcing sheet: feeding the sheet material of the reinforcing sheet into the upper reinforcing sheet forming device 202 and the lower reinforcing sheet forming device 203 respectively while forming the pipe body to be pressed into an arc-shaped upper reinforcing sheet 209 and lower reinforcing sheet 208, and simultaneously conveying the upper reinforcing sheet 209 and the lower reinforcing sheet 208 to the clamping device 204;

(3) clamping and forming: simultaneously feeding the pipe body 101 manufactured in the step (1) and the upper reinforcing sheet 209 and the lower reinforcing sheet 208 manufactured in the step (2) into a clamping device 204, wherein the upper reinforcing sheet 209 and the lower reinforcing sheet 208 are positioned on the upper side and the lower side of the pipe body, openings of the upper reinforcing sheet 209 and the lower reinforcing sheet 208 face the pipe body, clamping the upper reinforcing sheet 209 and the lower reinforcing sheet 208 on the upper side and the lower side of the pipe body after applying pressure in the clamping device 204, and cutting the pipe body after conveying the pipe body out of the clamping device to obtain the pipe body with the reinforcing sheets outside;

(4) inserting fins: and conveying the pipe body with the reinforcing sheet outside to a fin inserting machine, and inserting the fins 104 to obtain a finished oil cooler pipe product, wherein the fin inserting machine is an existing machine and is not described herein any more.

Example 2

In the embodiment, the thickness of the reinforcing sheet is 0.5mm, wherein the width of the bottom of the turbulent flow groove is 2.0mm, the included angle between the two side walls of the turbulent flow groove is 4 degrees, the cross section of the pipe body is 30mm in length and 4mm in width; other implementations are consistent with example 1.

Example 3

In the embodiment, the thickness of the reinforcing sheet material is 0.5mm, wherein the width of the bottom of the turbulent flow groove is 3.5mm, the included angle between the two side walls of the turbulent flow groove is 8 degrees, the cross section of the pipe body is 300mm in length, and the width is 20 mm; other implementations are consistent with example 1.

Comparative example 1

As shown in fig. 6, for the existing oil cooler, the oil cooler is formed by welding the reinforcing strips and the upper and lower protective plates on two sides of the heat dissipation strip, i.e. the independent sheet body and the heat dissipation strip are welded together, so that the oil cooler has the problems of multiple welding seams, complex structure, complex production process, low efficiency, easy leakage and deformation in the using process and the like.

Comparative example 2

As shown in fig. 7, another conventional oil cooler tube includes a tube body 101, wherein the thickness of the tube body 101 is 2.0mm, and the width of the tube body 101 is 10.0 mm; the inner walls of two sides of the pipe body 101 are respectively provided with 1 reinforcing sheet 103 with the thickness of 0.5mm, and fins 104 are arranged between 2 reinforcing sheets 103; fin 104 radially sets up for the dogleg shape along it, forms the vortex groove 105 of crisscross distribution from top to bottom of a plurality of notches, the cross section in vortex groove 105 is narrow trapezoidal under last wide, fin 105 sets up for the dogleg shape along its axial, makes its axial vortex groove 105 along its axial left and right sides crisscross distribution, the tank bottom width in vortex groove 105 is 3.25mm, and the contained angle of vortex groove 105 both sides wall is 4. The actual number of turbulence grooves 105 depends on the width of the bottom of the turbulence grooves 105 and the width of the tubular body 101. The fins 104 are consistent with the fins in the embodiments 1-3, the oil cooler pipe is high in strength, the problem in the comparative example 1 can be solved, the integrally formed pipe body is directly used for adding the reinforcing strips and the fins, the size is greatly reduced, the material is light and convenient, bending is easy to achieve in production, the processing time is greatly saved, the production efficiency is high, the overall strength of the pipe body is high, leakage is not easy to occur in the using process, and due to the fact that the reinforcing sheets are inserted into the pipe, manual insertion is needed, the manufacturing speed is low, the efficiency is low, and large-scale production is difficult.

The changes in the performance of the oil coolers made from the oil cooler tubes of example 1, the oil coolers made from the oil cooler tubes of comparative example 1 and the oil coolers made from the oil cooler tubes of comparative example 2, and the changes in the performance of the oil coolers of comparative example 1 and comparative example 2 relative to the oil coolers made from the oil cooler tubes of example 4 are shown in table 1.

	Static pressure	Thermal shock	Use of materials	Production speed
					Comparative example 1	Increase by 5 percent	Increase by 100 percent	The reduction is 15 percent	Quickening 200%
Comparative example 2	Same as	Same as	Same as	Quickening by 100%

According to the upper table, the utility model discloses the performance of the oil cooler of oil cooler pipe preparation is strong for the resistant static pressure ability of the oil cooler of the pipe preparation that has now on the market, and thermal shock resistance is strong, and the material that uses reduces, and its production speed greatly increased realizes full automatic production, reduces manpower and materials.

It should be noted that, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a preparation equipment of oil cooler pipe of outer area reinforcing plate which characterized in that: the pipe body forming device and the clamping device are arranged at a certain distance, the upper reinforcing sheet forming device and the lower reinforcing sheet forming device are respectively positioned at two sides of a connecting line of the pipe body forming device and the clamping device, a plurality of pipe body forming rollers are arranged in the pipe body forming device side by side, a mould in the conveying direction in the parallel pipe body forming rollers is from horizontal to V-shaped, the included angle of the V-shaped is gradually reduced to press the sheet into a pipe body with convex strips at the upper side and the lower side, a plurality of groups of upper reinforcing sheet forming rollers are arranged in the upper reinforcing sheet forming device to press the sheet of the reinforcing sheet into an arc shape with an opening facing downwards from the horizontal, lower reinforcing sheet forming rollers are arranged in the lower reinforcing sheet forming device, and the mould direction in the lower reinforcing sheet forming rollers is opposite to that of the upper reinforcing sheet forming rollers, the pipe body, the upper reinforcing sheet and the lower reinforcing sheet are tightly clamped outside the pipe body after penetrating through the clamping device, and a cutting machine is arranged at the outlet end of the clamping device.

2. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet outside according to claim 1, characterized in that: the pipe forming roller is formed by combining an upper roller and a lower roller, a pressing groove which is sunken downwards is formed in the center of the pipe forming roller, a convex strip of the pipe is pressed out of the center line of a sheet of the pipe, half of the convex strip is pressed out of two side edges of the sheet, the sheet is combined to form a complete convex strip, and the sheet in the last roller of the pipe forming roller penetrates through the sheet to form the final shape of the pipe.

3. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet outside according to claim 2, characterized in that: the body is flat body, and the both sides of this body all are equipped with circular-arc sand grip.

4. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet outside according to claim 1, characterized in that: the upper reinforcing sheet forming rollers of a plurality of groups arranged on the upper reinforcing sheet forming device are driving rollers which are meshed up and down, arc-shaped meshing grooves which are sunken downwards are formed in the middle lines of the upper reinforcing sheet forming rollers, and the meshing grooves in the upper reinforcing sheet forming rollers which are arranged side by side are sequentially increased towards the radian of the driving direction.

5. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet externally provided according to claim 4, characterized in that: the upper reinforcing sheet forming rollers are provided with 3-5 groups.

6. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet externally provided according to claim 4, characterized in that: the lower reinforcing sheet forming device is internally provided with a lower reinforcing sheet forming roller and meshing grooves in opposite directions, and other structures are consistent with the structure of the upper reinforcing sheet forming device.

7. The manufacturing equipment of the oil cooler pipe with the reinforcing sheet outside according to claim 1, characterized in that: the clamping device is provided with a plurality of groups of clamping rollers which are formed by matching an upper roller and a lower roller, and the upper reinforcing sheet and the lower reinforcing sheet are respectively fixed on the upper raised line and the lower raised line of the pipe body.

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