Steel pipe forming cooling mechanism

Abstract

The utility model discloses a steel pipe forming and cooling mechanism, which relates to the technical field of steel pipe processing equipment and comprises a cooling device and two conveying devices. The cooling device comprises a cooling box, a plurality of spraying pipes and a guide plate; a pipe inlet and a pipe outlet which are close to the two conveying devices are formed in the two ends of the cooling box respectively, the pipe outlet is located at the horizontal low position of the pipe inlet, the guide plate is obliquely arranged from the pipe inlet of the cooling box to the pipe outlet, a plurality of water passing grooves are formed in the guide plate, and a plurality of extension plates are fixedly connected to the end, away from the spraying pipe, of the guide plate; a layer of heat conducting sheet is attached to the outer sides of the guide plate and the extension plate; a pipe inlet stabilizing mechanism and a pipe outlet stabilizing mechanism are arranged at the two ends of the guide plate respectively. The heat-conducting fins are arranged on the outer sides of the guide plate and the extension plate to increase the area of a heat source, and then the steel pipe and the heat-conducting fins are in contact with cooling water in the spraying pipe together, so that the purpose of quickly cooling the steel pipe is achieved in a mode of increasing the heat dissipation area.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing equipment technical field especially relates to a steel pipe forming cooling mechanism. BACKGROUND

[0002] After steel pipe production forming, need to enter the cooling pool and cool, utilize the cooling liquid in the pool to immerse the steel pipe, utilize the circulating flow of water flow to take away the heat of steel pipe to cool the steel pipe.

[0003] The steel pipe cooling device disclosed by Chinese patent publication No. CN115446132B includes a first installation machine tool and a plurality of first conveying rollers, the plurality of first conveying rollers are equidistantly installed on the first installation machine tool, further includes a cooling water spraying box, the cooling water spraying box is installed on the first installation machine tool, the cooling water spraying box is located in the gap between the adjacent two first conveying rollers, a water spraying pipe, and the cooling water spraying box is provided with an annular part; the above technical solution solves the problem that water cannot effectively solve the water retention of the head and tail of the steel pipe at the same time in the prior art, resulting in longitudinal performance difference of the steel pipe.

[0004] However, the cooling speed of the steel pipe in the above-mentioned scheme is limited by the contact area and contact form of the steel pipe and the cooling water, the cooling efficiency of this traditional cooling method is low, and the heat taken away by the cooling water in the steel pipe is limited, therefore, a new scheme needs to be proposed to improve the cooling speed of the steel pipe. SUMMARY

[0005] The utility model overcomes the insufficient of prior art, provides a kind of steel pipe forming cooling mechanism, with the purpose of improving steel pipe cooling efficiency.

[0006] To achieve the above object, the utility model adopts the technical scheme of: a kind of steel pipe forming cooling mechanism, comprising: cooling device and two respectively set in the conveying device of cooling device both ends;

[0007] The cooling device includes: a cooling box, a plurality of spray pipes provided on the upper end of the cooling box, and a guide plate provided at the lower end of the spray pipes;

[0008] The cooling box is provided with an inlet and an outlet at both ends, respectively, close to the two conveying devices, the outlet is located at a lower level than the inlet, the guide plate is inclined from the inlet to the outlet of the cooling box, a plurality of water channels are provided on the guide plate, a plurality of extension plates are fixedly connected to the end of the guide plate away from the spray pipes, a layer of heat conduction fins is provided on the outer side of the guide plate and the extension plates, the heat conduction fins directly contact the high-temperature steel pipe to absorb the heat of the steel pipe and are sprayed by the spray pipes together with the steel pipe; an inlet stabilizing mechanism and an outlet stabilizing mechanism are respectively provided at both ends of the guide plate.

[0009] In a preferred embodiment of the utility model, the water channel is arranged along the width direction of the guide plate.

[0010] In a preferred embodiment of the utility model, the heat conduction sheet is made of copper material.

[0011] In a preferred embodiment of the utility model, the conveying device comprises a rack, V-shaped rollers rotationally connected to the rack, and a driving mechanism for driving the V-shaped rollers to rotate, one side of the V-shaped roller is fixedly connected with a driven gear one, and one side of the driven gear one of one of the V-shaped rollers is fixedly connected with a transition gear.

[0012] In a preferred embodiment of the utility model, the driving mechanism comprises a driving motor located in the rack, a driving gear arranged at the output end of the driving motor, a transmission chain one engaged with the transition gear and the driving gear, and a transmission chain two engaged with the driven gears one.

[0013] In a preferred embodiment of the utility model, the pipe inlet stabilizing mechanism comprises a first support plate rotationally connected inside the cooling box, and a first elastic support arranged away from the rotationally connected point of the first support plate and the cooling box.

[0014] In a preferred embodiment of the utility model, the first support plate is rotationally connected with a plurality of arc-shaped idlers one, and the first support plate takes the surface of the guide plate as a rotation surface.

[0015] In a preferred embodiment of the utility model, the pipe outlet stabilizing mechanism comprises a second support plate fixedly connected to one side of the cooling box close to the pipe outlet, the second support plate is rotationally connected with a plurality of arc-shaped idlers two, a driven gear two is arranged every several arc-shaped idlers two extending out of one side of the cooling box, and the transmission chain two in the pipe outlet conveying device of the cooling box is engaged with the driven gear two.

[0016] In a preferred embodiment of the utility model, the first support plate and the second support plate for supporting the upper end surface of the steel pipe are parallel to the horizontal plane, and the second support plate abuts against the lowest end of the guide plate.

[0017] In a preferred embodiment of the utility model, a water circulation device is arranged at the bottom end of the cooling box, for transferring the cooling water in the cooling box to the outside of the cooling box.

[0018] The utility model solves the defects in the background art, and has the following beneficial effects:

[0019] (1) The utility model discloses a guide plate is set up to guarantee high temperature steel pipe to be able to roll from one side of guide plate to the other side under the action of gravity, thereby letting the cooling water that the spray pipe above guide plate sprays covers everywhere on the steel pipe surface, guarantees the uniformity of cooling, improves the cooling efficiency, and the heat conduction sheet prepared from the copper plate of high heat conductivity is set up on the guide plate, absorbs a part of heat when the steel pipe passes, reaches the increase of heat source area, improves the cooling efficiency of the utility model to the steel pipe through the mode of improving the contact area between cooling water and heat source, compared with the cooling mode of the prior art that is limited by the surface area of steel pipe, has greater contact area of heat source and cooling water to improve the efficiency of cooling.

[0020] (2) The utility model discloses still be provided with conveying device, into pipe stabilizing mechanism and go out pipe stabilizing mechanism at the both ends of cooling box, through the setting of first elastic support piece, guarantee steel pipe to be placed in the arc shaped carrier roller one in first support plate completely, only then will gradually rotate and abut guide plate, subsequently under the action of steel pipe self -gravity along the inclined guide plate end surface from a plurality of spray pipe lower end roll, in addition, through the drive motor drive arc shaped carrier roller two in second support plate rotation, make it can drive the steel pipe of cooling completion shift, above -mentioned structure all are used to guarantee that steel pipe stably enters and leaves cooling box, realizes the automation of steel pipe cooling process, further improves the efficiency of the utility model for steel pipe cooling. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further explained in connection with the drawings and examples;

[0022] Figure 1 It is the perspective view of the preferred embodiment of the utility model;

[0023] Figure 2 It is Figure 1 The enlarged view of A part in

[0024] Figure 3 It is the sectional view of the preferred embodiment of the utility model;

[0025] In the drawing: 1, cooling device;11, cooling box;12, spray pipe;13, guide plate;131, water channel;132, extension plate;133, heat conduction sheet;2, conveying device;21, frame;22, drive motor;221, driving gear;23, V-shaped roller;231, driven gear one;232, transition gear;24, transmission chain one;25, transmission chain two;3, into pipe stabilizing mechanism;31, first support plate;32, arc shaped carrier roller one;33, first elastic support piece;4, go out pipe stabilizing mechanism;41, arc shaped carrier roller two;411, driven gear two. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings and embodiments, these drawings are all simplified schematic diagram, only with the schematic way explains the basic structure of the utility model, therefore it only shows the related structure of the utility model.

[0027] Please see Figures 1 to 3 According to an embodiment of the utility model, a steel pipe forming cooling mechanism comprises: a cooling device 1, and two conveying devices 2 arranged at two ends of the cooling device 1 respectively; specifically, the cooling device 1 comprises: a cooling box 11, a plurality of spray pipes 12 arranged at the upper end of the cooling box 11, and a guide plate 13 arranged at the lower end of the spray pipe 12; the two ends of the cooling box 11 are respectively provided with an inlet pipe opening and an outlet pipe opening close to the two conveying devices 2, the outlet pipe opening is located at a horizontal low position of the inlet pipe opening, the guide plate 13 is arranged obliquely from the inlet pipe opening to the outlet pipe opening of the cooling box 11, a plurality of water passing grooves 131 are arranged on the guide plate 13, the water passing grooves 131 are arrayed on the guide plate 13, and the water sprayed on the upper end of the guide plate 13 penetrates to the inside bottom end of the cooling box 11 through the guide plate 13 to realize the flow of cooling water, a plurality of extension plates 132 are integrally fixed to one end of the guide plate 13 away from the spray pipe 12, a layer of heat conduction fins 133 is arranged on the outer side of the guide plate 13 and the extension plate 132, the heat conduction fins 133 can be fixed with the guide plate 13 and the extension plate 132 by means of bolts or welding, the heat conduction fins 133 are prepared by copper plate, and the heat conduction fins 133 are used for directly contacting the high-temperature steel pipe to absorb part of the heat of the high-temperature steel pipe and being sprayed by the spray pipe 12 together with the steel pipe; an inlet pipe stabilizing mechanism 3 and an outlet pipe stabilizing mechanism 4 are arranged at the two ends of the guide plate 13 respectively, and are used for ensuring the stability when the steel pipe enters or leaves the cooling box 11.

[0028] Based on the above setting, the high-temperature steel pipe enters the inside of the cooling box 11 from the conveying device 2 along the conveying device 2, is first placed on the pipe entering stabilizing mechanism 3 to ensure the stability of the steel pipe transfer process, and then rolls to the guide plate 13 from the pipe entering stabilizing mechanism 3 under the action of gravity, since the guide plate 13 is inclined, the high-temperature steel pipe will roll to the pipe exiting stabilizing mechanism 4 on the other side along the inclined guide plate 13 in the process of gravity, and in the process of rolling, the steel pipe surface is in contact with the cooling water sprayed by the spray pipe 12 everywhere, so that the steel pipe is cooled, in addition, a layer of copper plate prepared heat conduction sheet 133 is specially arranged outside the guide plate 13 and the extension plate 132, the copper heat conduction sheet 133 has a thermal conductivity of about 385 W / m·K, so that a part of the heat of the steel pipe passing through the upper part of the heat conduction sheet 133 in the rolling process can be effectively absorbed by the high thermal conductivity of the heat conduction sheet 133, the heat absorbed by the heat conduction sheet 133 is rapidly transmitted in the copper plate, and the steel pipe is in contact with the spray water to dissipate heat together, and the extension plate 132 is arranged, on the one hand, the outside heat conduction sheet 133 can be in contact with the cooling water remaining at the bottom of the cooling box 11, so that the heat conduction sheet 133 can complete heat exchange with the cooling water for a sufficient time, and on the other hand, the surface area of the heat conduction sheet 133 is increased, the steel pipe cooling method realized by the utility model is a cooling method taking copper plate as an intermediate heat transfer medium, which can increase the contact area of the cooling water and the heat source compared with the prior art, so as to improve the cooling efficiency.

[0029] It is worth mentioning that the cooling efficiency of the high-temperature steel pipe of the utility model is also affected by the length of the guide plate 13 and the number of the copper plate prepared heat conduction sheet 133, the longer the length of the guide plate 13 and the larger the total area of the heat conduction sheet 133, the longer the contact time between the steel pipe and the heat conduction sheet 133, the more heat the copper plate can absorb from the steel pipe, the larger the heat source area in contact with the cooling water, and the faster the cooling rate; in addition, in the utility model, the rolling speed of the steel pipe can be controlled by controlling the inclination angle of the guide plate 13 to control the contact time with the heat conduction sheet 133, and in the actual steel pipe processing and cooling process, the length and inclination angle of the guide plate 13 of the utility model are designed based on the weight and diameter length of the steel pipe in the actual processing process, which will not be described here.

[0030] Further, the water channel 131 is arranged along the width direction of the guide plate 13, and the groove width size of the water channel 131 is based on the minimum applicable steel pipe size and the thickness of the heat conduction sheet 133 of the utility model, and the too large water channel 131 groove width will hinder the rolling of the steel pipe on the guide plate 13, and the too narrow water channel 131 groove width will affect the thickness of the extension plate 132 and the thickness of the heat conduction sheet 133.

[0031] Further, the conveying device 2 comprises a rack 21, V-shaped rollers 23 rotationally connected to the rack 21, and a driving mechanism for driving the V-shaped rollers 23 to rotate; one side of each V-shaped roller 23 is fixedly connected with a driven gear one 231, and one side of the driven gear one 231 of one V-shaped roller 23 is fixedly connected with a transition gear 232; the driving mechanism comprises a driving motor 22 located in the rack 21, a driving gear 221 arranged at the output end of the driving motor 22, a transmission chain one 24 engaged with the transition gear 232 and the driving gear 221, and a transmission chain two 25 engaged with the driven gears one 231; in the above arrangement, the arrangement of the V-shaped rollers 23 can ensure the stability of the steel pipe during transmission; the rotation of the driving motor 22 will drive the V-shaped rollers 23 to rotate through the cooperation of the driving gear 221, the transmission chain one 24, the transition gear 232, and the transmission chain two 25 engaged with the driven gears one 231, thereby providing a power source for the transmission of the steel pipe.

[0032] Further, the pipe entering stabilizing mechanism 3 comprises a first support plate 31 rotationally connected inside the cooling box 11, and a first elastic support 33 welded and fixed away from the rotationally connected point of the first support plate 31 and the cooling box 11, a plurality of arc-shaped rollers one 32 are rotationally connected in the first support plate 31, and the first support plate 31 takes the plane where the length of the guide plate 13 is located as the rotation plane; the first elastic support 33 is specifically a spring ring, when the steel pipe is completely separated from the V-shaped rollers 23 of the conveying device 2 and is supported by the V-shaped rollers 23, and is sent to the arc-shaped rollers one 32 of the first support plate 31, the first support plate 31 is compressed under the action of the gravity of the steel pipe to make the first support plate 31 rotate relative to the cooling box 11, when the first support plate 31 rotates to the side where the highest horizontal position of the guide plate 13 is located, the steel pipe will roll to the guide plate 13 under the action of gravity, and finally roll down along the guide plate 13, and in the rolling process, the steel pipe is in contact with the heat-absorbing heat dissipation fins 133 to absorb part of the heat, so as to increase the contact area between the cooling water and the heat source, thereby increasing the cooling rate, and after the steel pipe is separated from the first support plate 31, the first elastic support 33 restores to its original state under the action of the elastic force, thereby preparing for the first support plate 31 to lift the next steel pipe to be cooled.

[0033] Further, the out-pipe stabilizing mechanism 4 comprises a second support plate welded or fixed by bolts on the side close to the out-pipe opening of the cooling box 11, a plurality of arc-shaped supporting rollers two 41 are rotatably connected in the second support plate, a driven gear two 411 is coaxially arranged with the arc-shaped supporting roller two 41 and extends out of the side of the cooling box 11 every several arc-shaped supporting rollers two 41, the driving chain two 25 in the conveying device 2 close to the out-pipe opening of the cooling box 11 is engaged with the plurality of driven gears two 411, the first support plate 31 and the second support plate for supporting the upper end surface of the steel pipe are both parallel to the horizontal plane, the second support plate abuts against the lowest end of the guide plate 13, under the action of gravity of the steel pipe, the steel pipe is placed above the arc-shaped supporting rollers two 41, under the action of the driving motor 22, the steel pipe is driven to leave the cooling box 11 from the out-pipe opening, the automation of the steel pipe transfer is realized, and the cooling efficiency is improved.

[0034] Further, a water circulating device is arranged at the bottom end of the cooling box 11, according to the prior art, the water circulating device comprises a water level monitor, a water pump and a water pipe communicated with the inside of the cooling box 11, the water level monitor is used for monitoring the water level at the bottom of the cooling box 11, and the water pump is used for discharging the cooling water from the inside of the cooling box 11 to the outside of the cooling box 11.

[0035] Working principle: the utility model discloses the guide plate 13 of inclination setting, make steel pipe rolling ground through guide plate 13, make the cooling water that the spray pipe 12 sprays can cover steel pipe everywhere and realize uniform heat dissipation, and the setting of heat conduction sheet 133 on guide plate 13 utilizes the high thermal conductivity of copper material, disperses the heat of a part of steel pipe, increases the contact area of heat source and cooling water, to reach the purpose of improving cooling efficiency, the setting of conveying device 2, in-pipe stabilizing mechanism 3 and out-pipe stabilizing mechanism 4 utilizes arc-shaped supporting roller one 32 and arc-shaped supporting roller two 41, guarantees the stability when steel pipe shifts, and the shift of steel pipe from entering the cooling box 11 to leaving the cooling box 11 is realized through driving motor 22 in the cooling process, realizes the high automation of steel pipe cooling, and further improves the efficiency of steel pipe cooling.

[0036] The above is according to the ideal embodiment of the utility model for the inspiration, through the above description, the relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A steel pipe forming and cooling mechanism, characterized in that, The utility model relates to a cooling device and two conveying devices (2) arranged at the two ends of the cooling device (1) respectively. The cooling device (1) comprises a cooling box (11), a plurality of spray pipes (12) arranged at the upper end of the cooling box (11), and a guide plate (13) arranged at the lower end of the spray pipes (12). The two ends of the cooling box (11) are respectively provided with an inlet and an outlet close to the two conveying devices (2), the outlet is located at a lower horizontal position than the inlet, the guide plate (13) is arranged obliquely from the inlet to the outlet of the cooling box (11), a plurality of water channels (131) are arranged on the guide plate (13), a plurality of extension plates (132) are fixedly connected to the end of the guide plate (13) away from the spray pipes (12), a layer of heat-conducting fins (133) is arranged on the outer side of the guide plate (13) and the extension plates (132), the heat-conducting fins (133) directly contact the high-temperature steel pipes to absorb the heat of the steel pipes and are sprayed by the spray pipes (12) together with the steel pipes, and an inlet stabilizing mechanism (3) and an outlet stabilizing mechanism (4) are arranged at the two ends of the guide plate (13) respectively. The water channels (131) are arranged along the width direction of the guide plate (13).

2. A steel pipe forming and cooling mechanism according to claim 1, characterized by: The heat-conducting fins (133) are made of copper.

3. A steel pipe forming and cooling mechanism according to claim 1, characterized by: The conveying device (2) comprises a rack (21), V-shaped rollers (23) rotatably connected to the rack (21), and a driving mechanism for driving the V-shaped rollers (23) to rotate, one side of the V-shaped roller (23) is fixedly connected with a driven gear one (231), and one side of the driven gear one (231) of one V-shaped roller (23) is fixedly connected with a transition gear (232).

4. A steel pipe forming and cooling mechanism according to claim 1, characterized by: The driving mechanism comprises a driving motor (22) arranged in the rack (21), a driving gear (221) arranged at the output end of the driving motor (22), a transmission chain one (24) engaged with the transition gear (232) and the driving gear (221), and a transmission chain two (25) engaged with a plurality of driven gears one (231).

5. A steel pipe forming and cooling mechanism according to claim 4, characterized by: The inlet stabilizing mechanism (3) comprises a first support plate (31) rotatably connected to the inside of the cooling box (11), and a first elastic support (33) arranged away from the rotation connection point between the first support plate (31) and the cooling box (11).

6. A steel pipe forming and cooling mechanism according to claim 1, characterized by: A plurality of arc-shaped rollers one (32) are rotatably connected in the first support plate (31), and the first support plate (31) takes the length direction of the guide plate (13) as a rotation surface.

7. A steel pipe forming and cooling mechanism according to claim 6, characterized by: The outlet stabilizing mechanism (4) comprises a second support plate fixedly connected to one side of the cooling box (11) close to the outlet, a plurality of arc-shaped rollers two (41) rotatably connected in the second support plate, and a driven gear two (411) arranged on one side of the cooling box (11) and protruding from the arc-shaped roller two (41).

8. A steel pipe forming and cooling mechanism according to claim 7, characterized by: The upper end surfaces of the first support plate (31) and the second support plate for supporting the steel pipes are parallel to the horizontal plane, and the second support plate abuts against the lowest end of the guide plate (13).

9. A steel pipe forming and cooling mechanism according to claim 8, characterized by: ​ 10. A steel pipe forming and cooling mechanism according to claim 1, characterized by: A water circulating device is arranged at the bottom end of the cooling box (11) to transfer the cooling water in the cooling box (11) to the outside of the cooling box (11).

Images