Preheating device for expanding aluminum pipe

Abstract

The utility model relates to the technical field of aluminum pipes, in particular to a preheating device for expanding an aluminum pipe, which comprises a base, a guide component and a preheating component, an electric push rod is arranged at the top of the base, the output end of the electric push rod is connected with the guide component through a bolt, one side of the guide component is connected with a fixing component through a bolt, and the fixing component is connected with the preheating component through a bolt. A preheating assembly is rotationally connected into the fixing assembly. The preheating assembly comprises a rotating disc, one side of the rotating disc is connected with a supporting frame through welding, the outer surface of the supporting frame is connected with a guide cylinder through a bolt, and the periphery of the guide cylinder is connected with a sliding sleeve in a sleeving mode; according to the preheating device, the auxiliary pressurizing mechanism is additionally arranged, the using flexibility of the preheating device is improved in a sliding, rotating and extruding mode, meanwhile, the effect of assisting pressurizing deformation can be achieved, the convenience of follow-up expanding machining is improved, and therefore the using effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium pipe technical field, concretely relates to a preheating device for aluminium pipe expanding. BACKGROUND

[0002] Aluminium pipe expanding is a kind of machining process that expands the diameter of aluminium pipe port, in order to make aluminium pipe connect with other parts (such as joint, valve etc.) with larger diameter, the end of aluminium pipe needs to be expanded, in order to improve the convenience of aluminium pipe port expanding, preheating device is needed to assist preheating treatment of aluminium pipe port.

[0003] At present, when using preheating device, auxiliary pressurizing mechanism is lacked, usually when using preheating device, the device can only realize the effect of auxiliary preheating, but due to the different diameter of aluminium pipe port, the flexibility of actual use is general, it is difficult to guarantee the preheating effect and quality, therefore a preheating device for aluminium pipe expanding is proposed, in order to increase auxiliary pressurizing mechanism, use sliding, rotating, extruding mode, improve the flexibility of preheating device use, and also can play the effect of auxiliary pressurizing deformation, in order to improve the convenience of subsequent expanding processing, thereby improve the use effect. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a preheating device for aluminium pipe expanding, in order to use sliding, rotating, extruding mode, improve the flexibility of preheating device use, thereby improve the use effect.

[0005] The utility model solves technical scheme that its technical problem adopts a kind of preheating device for aluminium pipe expanding, including base, guide assembly and preheating component, the top of base is provided with electric push rod, the output end of electric push rod is connected with guide assembly by bolt connection, one side of guide assembly is connected with fixed assembly by bolt connection, preheating component is rotatably connected in fixed assembly;

[0006] The preheating component includes rotating disc, one side of the rotating disc is connected with support frame by welding, the outer surface of support frame is connected with guide cylinder by bolt connection, the outer periphery of guide cylinder is connected with sliding sleeve, the outer end of sliding sleeve is connected with heat conduction plate by welding, and the heat conduction plate is provided with electric heating plate.

[0007] By adopting the above technical scheme, auxiliary reinforcing mechanism can be increased, using sleeve connection, sliding, rotating, pressurizing mode, adapting to aluminium pipe port of different diameters, improve the flexibility of preheating device use, and also can play the effect of auxiliary pressurizing deformation, it is favorable to improve the processing quality of subsequent aluminium pipe expanding.

[0008] Specific, the guide component includes a fixed frame, the outer side of the fixed frame is connected with an air extractor by a bolt, a flow guide groove is formed in the fixed frame, and the air inlet end of the air extractor is located in the flow guide groove.

[0009] By adopting the above technical scheme, the fixed frame, the air extractor and the flow guide groove can increase the auxiliary heat energy recovery mechanism, recycle the heat generated by preheating the inside of the aluminum pipe port by suction, and preheat the outside of the aluminum pipe port, thereby improving the preheating effect and improving the subsequent port expansion machining efficiency.

[0010] Specifically, the guide cylinder is provided with a lead screw through a bearing, the lead screw is provided with a corresponding ball slide on the periphery, the ball slide is connected with a sliding sleeve through a bolt, a double-shaft motor is connected with the support frame through a bolt, the double-shaft motor is connected with the lead screw through a drive shaft, a rotary motor is connected with the fixed frame through a bolt, and the rotary motor is connected with a rotating disc through a drive shaft.

[0011] By adopting the above technical scheme, the servo motor drives the lead screw to rotate, and the ball slide can drive the sliding sleeve to slide.

[0012] Specifically, the fixed component includes a fixed sleeve, and the fixed frame is connected with the fixed sleeve through a bolt, the inside of the fixed sleeve is provided with a recovery groove, the air outlet end of the air extractor is communicated with the recovery groove through a hose, and the recovery groove is connected with a flow uniformizing plate through a bolt.

[0013] By adopting the above technical scheme, the fixed sleeve, the recovery groove and the flow uniformizing plate can increase the uniform flow guiding mechanism, and the recovered heat energy can be uniformly delivered to the outer surface of the aluminum pipe expansion port.

[0014] Specifically, the outside of the fixed sleeve is connected with a heat insulation sleeve through welding, the electric push rod includes a mounting frame, and the base is connected with the mounting frame through a bolt.

[0015] By adopting the above technical scheme, the heat insulation sleeve can avoid high-temperature scalding of the operator caused by accidental touching of the aluminum pipe, reduce safety hazards, and the mounting frame facilitates fixed installation of the electric push rod for use.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) The preheating device for aluminum pipe expansion can increase the auxiliary pressure mechanism by the rotating disc, the support frame, the guide cylinder, the sliding sleeve, the heat conducting plate and the electric heating plate, improve the flexibility of the preheating device, adapt to aluminum pipe ports of different diameters, and also improve the machining quality of the subsequent aluminum pipe expansion.

[0018] The utility model discloses a kind of preheating devices for aluminium pipe expanding, by being set up fixed frame, flow guide groove, exhaust fan, fixed sleeve, recovery tank and flow equalizing plate, it can increase auxiliary preheating mechanism, heat generated by using aluminium pipe port inner side recovery, the outside of aluminium pipe port is preheated by the way of air supply, to improve the use effect of device, it is also favorable to improve the expanding processing efficiency of aluminium pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further described below in connection with drawings and examples.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the fixed assembly and the direction subassembly cross section structure schematic diagram of the utility model;

[0022] Figure 3 It is the preheating subassembly cross section structure schematic diagram of the utility model;

[0023] In the drawing: 1, base;2, electric push rod;201, mounting frame;3, direction subassembly;301, fixed frame;302, exhaust fan;303, flow guide groove;304, slewing motor;4, fixed assembly;401, fixed sleeve;402, recovery tank;403, flow equalizing plate;5, preheating subassembly;501, rotating disc;502, support frame;503, guide cylinder;504, sliding sleeve;505, heat conduction plate;506, electric heating plate;507, screw rod;508, ball slide;509, double-shaft motor;6, heat insulation sleeve. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in connection with specific implementation ways.

[0025] In order to facilitate the use of sliding, rotating, extruding, improve the flexibility of preheating device, to improve the use effect, as shown in Figures 1-3 The utility model discloses a kind of preheating devices for aluminium pipe expanding, by being set up fixed frame, flow guide groove, exhaust fan, fixed sleeve, recovery tank and flow equalizing plate, it can increase auxiliary preheating mechanism, heat generated by using aluminium pipe port inner side recovery, the outside of aluminium pipe port is preheated by the way of air supply, to improve the use effect of device, it is also favorable to improve the expanding processing efficiency of aluminium pipe.

[0026] The preheating assembly 5 comprises a rotating disc 501, one side of the rotating disc 501 is connected with a support frame 502 through welding, the outer surface of the support frame 502 is connected with a guide cylinder 503 through bolts, the outer periphery of the guide cylinder 503 is connected with a sliding sleeve 504 in a sleeved mode, the outer end of the sliding sleeve 504 is connected with a heat conduction plate 505 through welding, and the heat conduction plate 505 is provided with an electric heating plate 506.

[0027] In use, through the rotating disc 501, the support frame 502, the guide cylinder 503, the sliding sleeve 504, the heat conduction plate 505 and the electric heating plate 506, the auxiliary reinforcing mechanism can be increased, and the sleeve connection, sliding, rotation and pressurization are utilized to adapt to aluminum pipe ports of different diameters, improve the flexibility of the preheating device, and also have the effect of auxiliary pressurization deformation, thereby being beneficial to improving the machining quality of subsequent aluminum pipe expansion.

[0028] In order to improve the preheating effect, as shown in Figure 1 , Figure 2 The utility model discloses still include, the guide assembly 3 includes the fixed frame 301, the fixed frame 301's outside is connected with the exhaust fan 302 through the bolt, the fixed frame 301 is seted up with the flow guide groove 303 in, and the air inlet end of exhaust fan 302 is located in the flow guide groove 303.

[0029] In use, through the fixed frame 301, the exhaust fan 302 and the flow guide groove 303, the auxiliary heat energy recovery mechanism can be increased, the heat generated by the internal preheating of the aluminum pipe port is recycled and used again in the mode of suction, the outer surface of the aluminum pipe port is simultaneously assisted in preheating treatment, thereby improving the preheating effect, and also being beneficial to improving the subsequent port expansion machining efficiency.

[0030] As shown in Figure 3 The utility model discloses still include, the guide cylinder 503 is installed with the lead screw 507 through bearing, the corresponding ball slider 508 is seted up with the lead screw 507's outer periphery, and the ball slider 508 is connected with the sliding sleeve 504 through the bolt, the support frame 502 is connected with the double-shaft motor 509 through the bolt in, and the double-shaft motor 509 is connected with the lead screw 507 through the drive shaft, the fixed frame 301 is connected with the slewing motor 304 through the bolt, and the slewing motor 304 is connected with the rotating disc 501 through the drive shaft.

[0031] In use, the lead screw 507 is driven to rotate by the servo motor 509, and the ball slider 508 can drive the sliding sleeve 504 to slide, so that the aluminum pipe port is assisted in pressurization and preheating according to the actual diameter.

[0032] As shown in Figure 2As shown, the utility model still includes, the fixed assembly 4 includes fixed sleeve 401, and fixed frame 301 passes through bolted fixed sleeve 401, the inside of fixed sleeve 401 is equipped with recovery groove 402, and the air outlet end of exhaust fan 302 is connected through hose recovery groove 402, the inside recovery groove 402 is connected with the flow equalization plate 403 through bolt.

[0033] In use, through fixed sleeve 401, recovery groove 402 and flow equalization plate 403, can increase uniform flow mechanism, the recovered heat energy is uniformly transported to the outer surface of the aluminum pipe expansion port.

[0034] Exemplary, as Figure 1 As shown, the utility model still includes, the outside of fixed sleeve 401 is connected with heat insulation sleeve 6 through welding, electric push rod 2 includes mounting bracket 201, and base 1 passes through bolted mounting bracket 201.

[0035] In use, through heat insulation sleeve 6, can avoid the high temperature scald of operating personnel's mistake touch aluminum pipe, reduce the security risk, through mounting bracket 201, it is convenient to fix and install electric push rod 2 and use.

[0036] The utility model in use, first operating personnel through fixed equipment will be fixed with aluminum pipe and limit the fixed treatment, manually open electric push rod 2 drive fixed frame 301 to the aluminum pipe port one side sliding, so that support frame 502, guide cylinder 503 and heat conduction plate 505 enter the aluminum pipe port, manually open electric heating plate 506, through heat conduction plate 505 to the inside of aluminum pipe port preheating processing, also can manually open double-shaft motor 509 drive screw rod 507 rotation in advance, utilize ball slide 508 sliding sleeve 504, can make heat conduction plate 505 slide to the outside to the inside surface of port, so that full contact, guarantee preheating effect, also can play the effect of auxiliary pressurization simultaneously, so as to increase diameter, subsequent expansion die insertion carries out expansion processing, when preheating processing, also can manually open rotary motor 304 drive rotating disc 501 reciprocating rotation, thereby improve preheating, the uniformity of pressurization;

[0037] Also can manually open exhaust fan 302, utilize suction airflow to produce heat in the aluminum pipe inside during preheating process in sequence through flow guide groove 303, recovery groove 402 and flow equalization plate 403 recovery and send to the outer surface of aluminum pipe port, thereby improve the preheating use effect of device, more energy saving and environmental protection simultaneously.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A preheating device for expanding the diameter of aluminum tubes, characterized in that, Including base (1), guide assembly (3) and preheating assembly (5), the top of base (1) is provided with electric push rod (2), the output end of electric push rod (2) is connected with guide assembly (3) through bolt, one side of guide assembly (3) is connected with fixed assembly (4) through bolt, preheating assembly (5) is rotatably connected in fixed assembly (4); The preheating assembly (5) includes a rotating disc (501), one side of the rotating disc (501) is connected with a support frame (502) by welding, the outer surface of the support frame (502) is connected with a guide cylinder (503) by bolt, the outer periphery of the guide cylinder (503) is connected with a sliding sleeve (504), the outer end of the sliding sleeve (504) is connected with a heat conduction plate (505) by welding, and the heat conduction plate (505) is provided with an electric heating plate (506).

2. The preheating device for expanding an aluminum pipe according to claim 1, wherein The guide assembly (3) includes a fixed frame (301), the outer side of the fixed frame (301) is connected with an exhaust fan (302) by bolt, the fixed frame (301) is provided with a flow guide groove (303), and the air inlet end of the exhaust fan (302) is located in the flow guide groove (303).

3. The preheating device for expanding an aluminum pipe according to claim 2, wherein The guide cylinder (503) is provided with a lead screw (507) through a bearing, the outer periphery of the lead screw (507) is provided with a corresponding ball slide (508), and the ball slide (508) is connected with the sliding sleeve (504) by bolt, the support frame (502) is connected with a double-shaft motor (509) by bolt, and the double-shaft motor (509) is connected with the lead screw (507) through a drive shaft, the fixed frame (301) is connected with a rotary motor (304) by bolt, and the rotary motor (304) is connected with the rotating disc (501) through a drive shaft.

4. The preheating device for expanding an aluminum pipe according to claim 2, wherein The fixed assembly (4) includes a fixed sleeve (401), and the fixed frame (301) is connected with the fixed sleeve (401) by bolt, the inner side of the fixed sleeve (401) is provided with a recovery groove (402), and the air outlet end of the exhaust fan (302) is communicated with the recovery groove (402) through a hose, the recovery groove (402) is connected with a flow distribution plate (403) by bolt, the outer side of the fixed sleeve (401) is connected with a heat insulation sleeve (6) by welding, and the electric push rod (2) includes a mounting frame (201), and the base (1) is connected with the mounting frame (201) by bolt.

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