A heat exchanger tube sheet welding anti-deformation device

Abstract

The utility model discloses a heat exchanger tube sheet welding anti -deformation device, include: device body, anti -deformation subassembly, positioning subassembly, positioning subassembly includes the positioning base of device body upper end one side fixed mounting, the back baffle of positioning base rear end fixed mounting, the rear positioning rod of back baffle upper end fixed mounting, the utility model discloses a heat exchanger tube sheet welding anti -deformation device, device body upper end one side fixed mounting's positioning base, rear positioning rod, upper locating block and the positioning hole of rear positioning rod middle positioning, also can carry out the quick positioning of heat exchanger plate spare's mounting position to the clamping of heat exchanger plate spare fixed and the positioning installation of heat exchanger plate spare internal multiple sets of heat exchanger pipe spare, simultaneously, the rear positioning plate of positioning base rear end fixed mounting, also can carry out the position of heat exchanger pipe spare's installation distance, thereby convenient positioning heat exchanger pipe spare's welding position in heat exchanger plate spare, to improve its processing in the convenience of positioning.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger processing technical field, concretely is a kind of heat exchanger tube sheet welding anti-deformation device. BACKGROUND

[0002] Heat exchanger is used to make heat transfer from hot fluid to cold fluid to meet the prescribed process requirement device, is the industrial application of heat conduction and heat conduction, heat exchanger is welded in the assembly process, to heat exchanger tube and heat exchanger plate are welded, to form heat exchange tube bundle.

[0003] The existing heat exchanger tube sheet welding anti-deformation device, such as the heat exchanger tube sheet welding anti-deformation device disclosed in the publication No. CN218946771 U, although it has the effect of supporting the heat exchanger tube body by setting the support ring, electric push rod and support block, and avoids deformation of the heat exchanger tube body when the staff welds the heat exchanger plate body and the heat exchanger tube body, but this heat exchanger tube sheet welding anti-deformation device is inconvenient for positioning and installing the heat exchanger plate body and the heat exchanger tube body before welding, so we propose a heat exchanger tube sheet welding anti-deformation device. SUMMARY

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A heat exchanger tube sheet welding anti-deformation device, comprising: a device body, an anti-deformation assembly, and a positioning assembly; the anti-deformation assembly comprises a heat exchanger plate mounted movably on one side of the upper end of the device body, a plurality of heat exchanger tubes mounted movably in the heat exchanger plate, an inner support block mounted movably in each heat exchanger tube, a rear support bar fixedly mounted at the rear end of each inner support block, a connecting rod fixedly mounted at the rear end of each rear support bar, and a connecting disc fixedly mounted at the rear end of each connecting rod; the positioning assembly comprises a positioning base fixedly mounted on one side of the upper end of the device body, a rear baffle fixedly mounted at the rear end of the positioning base, a rear positioning rod fixedly mounted on the upper end of the rear baffle, an upper positioning block fixedly mounted at the top of the rear positioning rod, a rear positioning plate fixedly mounted on the other side of the upper end of the device body, and a positioning hole arranged on the upper end of the rear positioning rod.

[0007] Preferably, the rear end of the connecting disc is also fixedly mounted with an electric push rod, and the bottom of the electric push rod is also fixedly mounted with a support frame, and the bottom end of the support frame is fixed to the device body.

[0008] Preferably, the side cross section of the inner support block is cross-shaped, and the outer end of the inner support block is attached to the inner end face of the heat exchanger tube.

[0009] Preferably, the connecting rods are movably mounted in the rear positioning plate.

[0010] Preferably, a double-shaft motor is further fixedly mounted at the center of one side in the device body, and bidirectional lead screws are further fixedly mounted on both sides of the double-shaft motor.

[0011] Preferably, clamping frames are movably mounted on outer ends of the bidirectional lead screws on both sides of the double-shaft motor.

[0012] By adopting the above technical scheme, the utility model has the beneficial effects of:

[0013] In the utility model, the positioning base fixedly mounted on the upper end of the device body, the rear positioning rod, the upper positioning block and the positioning hole formed in the rear positioning rod can also quickly position the installation position of the heat exchanger plate, so as to facilitate the clamping and fixing of the heat exchanger plate and the positioning and installation of the multiple groups of heat exchanger pipe fittings in the heat exchanger plate. Meanwhile, the rear positioning plate fixedly mounted at the rear end of the positioning base can also position the installation distance of the heat exchanger pipe fitting, so as to conveniently position the welding position of the heat exchanger pipe fitting in the heat exchanger plate, thereby improving the convenience of positioning in the processing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure diagram of the utility model;

[0015] Figure 2 It is a dismounting diagram of the heat exchanger plate and the heat exchanger pipe fitting of the utility model;

[0016] Figure 3 It is a structure diagram of the inner supporting block and the rear supporting strip of the utility model;

[0017] Figure 4 It is another perspective view of the utility model;

[0018] Figure 5 It is a side sectional view of the utility model;

[0019] Figure 6 It is a zoomed-in view of A in the utility model. Figure 5

[0020] Reference signs:

[0021] 100, device body;

[0022] 200, anti-deformation assembly; 201, heat exchanger plate; 202, heat exchanger pipe fitting; 203, inner supporting block; 204, rear supporting strip; 205, connecting rod; 206, connecting disc; 207, electric push rod; 208, supporting frame;

[0023] ​300, positioning assembly; 301, positioning base; 302, backstop; 303, rear positioning rod; 304, upper positioning block; 305, rear positioning plate; 306, positioning hole; 307, double-shaft motor; 308, bidirectional screw rod; 309, clamping frame. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, the utility model is further explained in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] Some embodiments of the utility model are described below in combination with the drawings to provide a heat exchanger tube sheet welding anti-deformation device.

[0026] Embodiment one:

[0027] In combination with Figures 1-6 the drawings, the utility model provides a heat exchanger tube sheet welding anti-deformation device, which comprises: a device body 100, an anti-deformation assembly 200 and a positioning assembly 300. The anti-deformation assembly 200 comprises a heat exchanger plate 201 movably mounted on one side of the upper end of the device body 100, a plurality of heat exchanger tubes 202 movably mounted in the heat exchanger plate 201, inner support blocks 203 movably and matchedly mounted in the heat exchanger tubes 202, rear support strips 204 fixedly mounted at the rear ends of the inner support blocks 203, connecting rods 205 fixedly mounted at the rear ends of the rear support strips 204, connecting discs 206 fixedly mounted at the rear ends of the connecting rods 205, a positioning base 301 fixedly mounted on one side of the upper end of the device body 100, a backstop 302 fixedly mounted at the rear end of the positioning base 301, a rear positioning rod 303 fixedly mounted at the upper end of the backstop 302, upper positioning blocks 304 fixedly mounted at the top of the rear positioning rod 303, a rear positioning plate 305 fixedly mounted on the other side of the upper end of the device body 100, positioning holes 306 arranged at the upper end of the rear positioning rod 303, an electric push rod 207 fixedly mounted at the rear end of the connecting disc 206, a support frame 208 fixedly mounted at the bottom of the electric push rod 207 and fixedly mounted at the device body 100 at the bottom end of the support frame 208, the side cross section of the inner support block 203 being cruciform and the outer end of the inner support block 203 being attached to the inner end face of the heat exchanger tube 202, the connecting rods 205 being movably mounted in the rear positioning plate 305, a double-shaft motor 307 fixedly mounted at the center of one side of the device body 100, bidirectional screw rods 308 fixedly mounted at the two sides of the double-shaft motor 307 and clamping frames 309 movably mounted at the outer ends of the bidirectional screw rods 308 at the two sides of the double-shaft motor 307.

[0028] Specific, heat exchanger is used to make heat transfer from hot fluid to cold fluid device, is a kind of industrial application of heat convection and heat conduction, heat exchanger in the assembly process, heat exchanger tube and heat exchanger plate need to be welded, so as to form heat exchange tube bundle;The positioning base 301, the rear positioning rod 303, the upper positioning block 304 and the positioning hole 306 in the rear positioning rod 303 are fixedly installed on one side of the upper end of the device body 100, the installation position of the heat exchanger plate 201 can be quickly positioned, so that the clamping and fixing of the heat exchanger plate 201 and the quick and accurate positioning and installation of the plurality of heat exchanger tube assemblies 202 in the heat exchanger plate 201 are facilitated, at the same time, the rear positioning plate 305 fixedly installed at the rear end of the positioning base 301 can also position the installation distance of the heat exchanger tube assembly 202, so as to conveniently position the welding position of the heat exchanger tube assembly 202 in the heat exchanger plate 201, so as to improve the convenience of positioning in processing, the clamping frame 309 driven by the bidirectional screw 308 of the double shaft motor 307 on the upper side of the device body 100 is mainly used for clamping and fixing the heat exchanger plate 201 positioned on the positioning base 301, so as to ensure the stability of the heat exchanger tube assembly 202 in welding, the plurality of inner support blocks 203 on the upper end of the device body 100 are uniformly positioned and moved to the inner welding position of the heat exchanger tube assembly 202 when the heat exchanger tube assembly 202 is welded at the outer end of the heat exchanger plate 201, so as to stably and uniformly support the inner wall of the welding position of the heat exchanger tube assembly 202 in the welding of the heat exchanger tube assembly 202 and the heat exchanger plate 201, in cooperation with the rear support strip 204 supporting the inner wall of the heat exchanger tube assembly 202 at the rear end of the inner support block 203, to prevent the problem of deformation of the inner wall of the heat exchanger tube assembly 202 in welding, the connecting disc 206 installed at the rear end of the connecting rod 205, mainly through the rear end electric push rod 207, the inner support block 203 at the front end is uniformly moved, the support frame 208 at the bottom of the electric push rod 207 is mainly used for the stable support of the electric push rod 207, so as to ensure the stability of the electric push rod 207 in use.

[0029] The working principle and use process of the utility model are as follows:

[0030] When the heat exchanger plate 201 and the heat exchanger pipe 202 are positioned and installed before welding, the heat exchanger plate 201 is first moved to the positioning base 301 at the upper end of the device body 100, and after the heat exchanger plate 201 is positioned at the upper end of the positioning base 301, it is pressed to make the rear end of the heat exchanger plate 201 fit the rear baffle 302 and the rear positioning rod 303 at the rear end of the positioning base 301. At this time, the heat exchanger plate 201 is rotated to make the multiple groups of holes in the center of the heat exchanger plate 201 align with the multiple groups of positioning holes 306 at the upper end of the rear positioning rod 303, so as to position the position of the heat exchanger plate 201. After the position of the heat exchanger plate 201 is positioned, the double-shaft motor 307 in the device body 100 is started to drive the inner movement of the clamping frame 309 at both ends, so as to clamp and fix the two ends of the heat exchanger plate 201 positioned on the positioning base 301. After the heat exchanger plate 201 is positioned and fixed, multiple heat exchanger pipes 202 are inserted into the holes in the heat exchanger plate 201, and after the heat exchanger pipes 202 are inserted, the rear end of the heat exchanger pipes 202 is fitted to the rear positioning plate 305, so as to complete the positioning of the installation position of the heat exchanger pipe 202 and the positioning of the welding position between the heat exchanger pipe 202 and the heat exchanger plate 201. After the welding position between the heat exchanger pipe 202 and the heat exchanger plate 201 is positioned, the welding between the multiple heat exchanger pipes 202 and the heat exchanger plate 201 is carried out.

[0031] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A heat exchanger tube sheet welding deformation prevention device, characterized in that, Include: Device body (100), anti-deformation assembly (200), positioning assembly (300); The anti-deformation assembly (200) includes a heat exchanger plate (201) movably mounted on one side of the upper end of the device body (100), a plurality of heat exchanger pipe assemblies (202) movably mounted in the heat exchanger plate (201), an inner support block (203) movably matched and mounted in the heat exchanger pipe assembly (202), a rear support bar (204) fixedly mounted at the rear end of the inner support block (203), a connecting rod (205) fixedly mounted at the rear end of the rear support bar (204), and a connecting disc (206) fixedly mounted at the rear end of the connecting rod (205); The positioning assembly (300) includes a positioning base (301) fixedly mounted on one side of the upper end of the device body (100), a rear baffle (302) fixedly mounted at the rear end of the positioning base (301), a rear positioning rod (303) fixedly mounted at the upper end of the rear baffle (302), an upper positioning block (304) fixedly mounted at the top of the rear positioning rod (303), a rear positioning plate (305) fixedly mounted on the other side of the upper end of the device body (100), and a positioning hole (306) arranged at the upper end of the rear positioning rod (303).

2. The device for preventing deformation during welding of a tube sheet of a heat exchanger according to claim 1, wherein The connecting disc (206) is further provided with an electric push rod (207) fixedly mounted at the rear end, and the electric push rod (207) is further provided with a support frame (208) fixedly mounted at the bottom, and the support frame (208) is fixedly mounted on the device body (100) at the bottom end.

3. The device for preventing deformation during welding of a tube sheet of a heat exchanger according to claim 1, wherein The side cross section of the inner support block (203) is cross-shaped, and the outer end of the inner support block (203) is attached to the inner end face of the heat exchanger pipe assembly (202).

4. The device for preventing deformation during welding of a tube sheet of a heat exchanger according to claim 1, wherein The connecting rod (205) is movably mounted in the rear positioning plate (305).

5. The device for preventing deformation during welding of a tube sheet of a heat exchanger according to claim 1, wherein The device body (100) is further provided with a double-shaft motor (307) fixedly mounted at the center of one side, and the double-shaft motor (307) is further provided with a bidirectional screw (308) fixedly mounted on both sides.

6. A device for preventing deformation during welding of a tube sheet of a heat exchanger according to claim 5, wherein The outer end of the bidirectional screw (308) on both sides of the double-shaft motor (307) is further movably provided with a clamping frame (309).

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