Cutting device for heat exchanger machining

Abstract

The utility model discloses a cutting device for heat exchanger processing, which comprises a table top, a U-shaped plate is fixed on the top of the table top, a distance fixing mechanism is arranged on the U-shaped plate, the distance fixing mechanism comprises a first fixing plate, the first fixing plates are fixed on the front side and the rear side of the U-shaped plate, and the first fixing plates are fixed on the first fixing plate. According to the cutting device for machining the heat exchanger, a first handle is rotated forwards or reversely, the two movable plates and the distance plate can be driven to move leftwards or rightwards at the same time, the right sides of the movable plates are matched with scale marks to determine the length of a cut pipe, and the length of the cut pipe is adjusted; and threaded connection between the first rotating shafts and the movable plates has a self-locking function, and the two first rotating shafts and the two movable plates are arranged, so that the fixing stability of the distance plate is guaranteed, it is guaranteed that when the distance plate is touched by a pipe, the distance plate cannot move, and the accuracy of the cut length of the pipe is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger processing technical field, concretely is a cutting device for heat exchanger processing. BACKGROUND

[0002] Heat exchanger is used to make heat transfer from hot fluid to cold fluid to satisfy the device of the prescribed process requirement, is a kind of industrial application of heat convection and heat conduction, heat exchanger can be classified according to different ways, according to its operating process can be divided into three major categories of partition, mixed type, regenerative type, according to its surface compact degree can be divided into compact type and non-compact type two categories, and pipe material is one of the components of heat exchanger.

[0003] Such as the authorized announcement No. CN217991717U Chinese utility model patent, provides a kind of pipe cutting device for heat exchanger processing, belong to heat exchanger processing technical field, including main body mechanism, the main body mechanism includes operation table, the top of the operation table is provided with protective shell, the inner wall of the protective shell is provided with first electric telescopic rod, the output end of the first electric telescopic rod is provided with cutting device;Adjusting mechanism, the adjusting mechanism is set to the top of operation table, the adjusting mechanism includes two support plates, the top of the support plate is provided with placing groove, the top of the support plate is provided with second electric telescopic rod, the output end of the second electric telescopic rod is provided with recess block;Spraying mechanism, the spraying mechanism is set to the top of operation table.The utility model can quickly adjust the position of pipe material by setting adjusting mechanism, so that the length of pipe material is consistent, increase the efficiency of processing, and effectively limit the position of pipe material, increase the stability of pipe material, prevent pipe material from shifting.

[0004] The above-mentioned authorized patent has the following problems in use:

[0005] The fixation of the pipe material has only two points, which cannot fix the three points of the pipe material at the same time, resulting in poor stability of the pipe material fixation. When cutting, the pipe material is prone to shaking. When fixing the limiting block for distance, friction is used, resulting in poor stability. The limiting block will move if it is hit by the pipe material for a long time, resulting in errors in the length of the cut pipe material.

[0006] In view of the above problems, it is urgent to make innovative design on the basis of the original cutting device. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a cutting device for heat exchanger processing to solve the problems raised in the above background technology.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a cutting device for heat exchanger processing, including mesa, the top of mesa is fixed with U type board, be provided with fixed distance mechanism on the U type board,

[0009] The fixed distance mechanism comprises a first fixed plate, a first fixed plate is fixed on the front and back sides of the U-shaped plate, a first rotating shaft is rotatably installed between the first fixed plates through a bearing, a first gear is fixed on the end of the first rotating shaft, a second fixed plate is fixed on the end in the U-shaped plate, a second rotating shaft is rotatably installed on the outside of the U-shaped plate through a bearing on one side of the second fixed plate, a second gear is fixed on the outer wall of the second rotating shaft, the second gear is connected with the first gear, a first handle is fixed on the end of the second rotating shaft, a movable plate is provided with threads on the outside of the first rotating shaft, a fixed distance plate is fixed on the top of the movable plate, the bottom of the fixed distance plate is located in the inside of the U-shaped plate, a scale line is provided on the front side of the U-shaped plate below the movable plate, and a tooth groove is formed in the middle of the U-shaped plate.

[0010] The U-shaped plate is provided with a fixed mechanism on both sides of the tooth groove.

[0011] The top of the mesa is provided with a cutting mechanism.

[0012] Preferably, the fixed mechanism comprises a lead screw, a pressing block, a second handle and a guide rod, the lead screw is threadedly installed on the front side of the U-shaped plate, the pressing block is rotatably installed on the inside of the U-shaped plate through a bearing at one end of the lead screw, the second handle is fixed on the other end of the lead screw, the guide rod is fixed on the top of one side of the pressing block, the end of the guide rod penetrates through the front side of the U-shaped plate, and the guide rod is slidably connected with the U-shaped plate.

[0013] Preferably, the side view of the pressing block is designed as a triangular structure.

[0014] Preferably, the cutting mechanism comprises an L-shaped frame, an air cylinder, a motor and a cutting disc, the top of the mesa is fixed with an L-shaped frame, the top of the L-shaped frame is fixed with an air cylinder, the lower end of the air cylinder is fixed with a motor, the output end of the motor is fixed with a cutting disc, and the cutting disc is located above the tooth groove.

[0015] Preferably, the first rotating shaft, the first gear and the movable plate are symmetrically distributed about the central axis of the U-shaped plate, the side of the movable plate and the outside of the U-shaped plate are mutually attached, the fixed distance plate is designed as a "T" type structure, and the side of the fixed distance plate and the inside of the U-shaped plate are mutually attached.

[0016] Preferably, the bottom of the mesa is provided with a supporting leg.

[0017] Compared with the prior art, the cutting device for heat exchanger processing has the advantages that the first handle is rotated forward or reversely to drive the two movable plates and the fixed distance plate to move leftward or rightward simultaneously, the right side of the movable plate cooperates with the scale line to determine the length of the cut pipe, the thread connection between the first rotating shaft and the movable plate has self-locking function, and the first rotating shaft and the movable plate are provided with two, so that the stability of the fixed distance plate is ensured, the fixed distance plate will not move when the pipe hits the fixed distance plate, and the accuracy of the length of the cut pipe is ensured.

[0018] The second handle is rotated to drive the lead screw to rotate, the lead screw and the U-shaped plate are threadedly connected, the guide rod and the U-shaped plate are slidably connected, the lead screw pushes the pressing block, one side of the pipe, the bottom in the U-shaped plate and the rear side in the U-shaped plate are fixed simultaneously, the three fixing points form a triangular structure, and the stability of the pipe fixing is improved, and the quality of the cut pipe is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a movable plate top view section installation structural schematic diagram of the utility model;

[0021] Figure 3 It is a fixed distance plate side view section installation structural schematic diagram of the utility model;

[0022] Figure 4 It is a lead screw side view section installation structural schematic diagram of the utility model;

[0023] Figure 5 It is a second gear side view installation structural schematic diagram of the utility model.

[0024] In the drawing: 1, table top; 2, U-shaped plate; 3, first fixed plate; 4, first rotating shaft; 5, first gear; 6, second fixed plate; 7, second rotating shaft; 8, second gear; 9, first handle; 10, movable plate; 11, fixed distance plate; 12, scale line; 13, gear slot; 14, lead screw; 15, pressing block; 16, second handle; 17, guide rod; 18, L-shaped frame; 19, air cylinder; 20, motor; 21, cutting disc. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Referring to Figures 1-5 The utility model provides a kind of technical scheme: a cutting device for heat exchanger processing, including mesa 1, the top of mesa 1 is fixed with U-shaped plate 2, distance mechanism is provided on U-shaped plate 2, the bottom of mesa 1 is provided with support leg;

[0027] Distance mechanism includes first fixed plate 3, the front and back sides of U-shaped plate 2 are fixed with first fixed plate 3, first fixed plate 3 is rotatably installed with first rotating shaft 4 between, the end of first rotating shaft 4 is fixed with first gear 5, the end in U-shaped plate 2 is fixed with second fixed plate 6, the side of second fixed plate 6 is rotatably installed with second rotating shaft 7 outside U-shaped plate 2, the outer wall of second rotating shaft 7 is fixed with second gear 8, second gear 8 and first gear 5 are engaged connection, the end of second rotating shaft 7 is fixed with first handle 9, the outside of first rotating shaft 4 is provided with movable plate 10 by screw thread, the top of movable plate 10 is fixed with distance plate 11, the bottom of distance plate 11 is located inside U-shaped plate 2, the front side of U-shaped plate 2 is provided with scale line 12 below movable plate 10, the middle part of U-shaped plate 2 is provided with gear slot 13, first rotating shaft 4, first gear 5 and movable plate 10 are symmetrically distributed two about the central axis of U-shaped plate 2, and the side of movable plate 10 and the outside of U-shaped plate 2 are mutually attached, and distance plate 11 is designed as "T" type structure, and the side of distance plate 11 and the inside of U-shaped plate 2 are mutually attached, the screw thread connection between first rotating shaft 4 and movable plate 10 has self-locking function, and first rotating shaft 4 and movable plate 10 are provided with two, guarantee the stability of distance plate 11 fixed, guarantee that distance plate 11 will not appear when being pipe material, guarantee the accuracy of pipe material cutting length;

[0028] The two sides of U-shaped plate 2 located gear slot 13 are provided with fixed mechanism, and the fixed mechanism includes lead screw 14, pressing block 15, second handle 16 and guide rod 17, the front side of U-shaped plate 2 is provided with lead screw 14 by screwing, the end of lead screw 14 is rotatably installed with pressing block 15 inside U-shaped plate 2, the other end of lead screw 14 is fixed with second handle 16, the top of the side of pressing block 15 is fixed with guide rod 17, the end of guide rod 17 penetrates the front side of U-shaped plate 2, and guide rod 17 and U-shaped plate 2 are slidably connected, the side view of pressing block 15 is designed as triangular structure, according to Figure 4 As shown, pipe material can be fixed by the side of pressing block 15, the bottom inside U-shaped plate 2 and the rear side inside U-shaped plate 2 simultaneously, and three fixed points form triangular structure, improve the stability of pipe material fixed, guarantee the quality after pipe material cutting;

[0029] The top of the table board 1 is provided with a cutting mechanism, the cutting mechanism comprises an L-shaped frame 18, a cylinder 19, a motor 20 and a cutting disc 21, the L-shaped frame 18 is fixed on the top of the table board 1, the cylinder 19 is fixed through the top of the L-shaped frame 18, the motor 20 is fixed on the lower end of the cylinder 19, the cutting disc 21 is fixed on the output end of the motor 20, and the cutting disc 21 is located above the tooth groove 13.

[0030] Working principle: when the cutting device for heat exchanger processing is used, first, the pipe is placed in the inside of the U-shaped plate 2, then the first handle 9 is rotated, the first handle 9 drives the second rotating shaft 7 and the second gear 8 to rotate at the same time, then the second gear 8 drives the two first gears 5 and the two first rotating shafts 4 to rotate at the same time, since the first rotating shaft 4 and the movable plate 10 are screw-connected, therefore the two movable plates 10 drive the fixed-distance plate 11 to move in the inside of the U-shaped plate 2, the length of the pipe cut down is determined through the cooperation of the right side of the movable plate 10 and the scale line 12;

[0031] Then the left end of the pipe is in contact with the right side of the fixed-distance plate 11, then the second handle 16 is rotated, the second handle 16 drives the lead screw 14 to rotate, since the lead screw 14 and the U-shaped plate 2 are screw-connected, and the guide rod 17 and the U-shaped plate 2 are slidingly connected, therefore the lead screw 14 pushes the pressing block 15, the pressing block 15 fixes the pipe by cooperating with the U-shaped plate 2;

[0032] Then the motor 20 is started, the motor 20 drives the cutting disc 21 to rotate, then the cylinder 19 is started, the cylinder 19 drives the cutting disc 21 to move downwards, and the cutting of the pipe is completed.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cutting device for processing heat exchangers, comprising a table (1), characterized in that: A U-shaped plate (2) is fixed to the top of the tabletop (1), and a distance fixing mechanism is provided on the U-shaped plate (2); The distance fixing mechanism includes a first fixing plate (3), and the front and rear sides of the U-shaped plate (2) are both fixed with the first fixing plate (3). A first rotating shaft (4) is rotatably mounted between the first fixing plates (3) via bearings. A first gear (5) is fixed to the end of the first rotating shaft (4). A second fixing plate (6) is fixed to the end of the U-shaped plate (2). A second rotating shaft (7) is rotatably mounted on one side of the second fixing plate (6) outside the U-shaped plate (2) via bearings. A second gear is fixed to the outer wall of the second rotating shaft (7). The wheel (8), the second gear (8) and the first gear (5) are meshed and connected. The end of the second shaft (7) is fixed with a first handle (9). The outer side of the first shaft (4) is threaded with a movable plate (10). The top of the movable plate (10) is fixed with a spacer plate (11). The bottom of the spacer plate (11) is located inside the U-shaped plate (2). The front side of the U-shaped plate (2) is provided with a scale line (12) below the movable plate (10). The middle part of the U-shaped plate (2) is provided with a tooth groove (13). The U-shaped plate (2) is provided with fixing mechanisms on both sides of the tooth groove (13); A cutting mechanism is provided on the top of the tabletop (1).

2. The cutting device for heat exchanger processing according to claim 1, characterized in that: The fixing mechanism includes a lead screw (14), a clamping block (15), a second handle (16), and a guide rod (17). The lead screw (14) is threaded through the front side of the U-shaped plate (2). One end of the lead screw (14) is located inside the U-shaped plate (2) and is rotatably mounted to the clamping block (15) via a bearing. The other end of the lead screw (14) is fixed to the second handle (16). The top of one side of the clamping block (15) is fixed to the guide rod (17). The end of the guide rod (17) passes through the front side of the U-shaped plate (2) and is slidably connected to the U-shaped plate (2).

3. A cutting device for heat exchanger processing according to claim 2, characterized in that: The clamping block (15) has a triangular structure when viewed from the side.

4. A cutting device for heat exchanger processing according to claim 1, characterized in that: The cutting mechanism includes an L-shaped frame (18), a cylinder (19), a motor (20), and a cutting disc (21). The L-shaped frame (18) is fixed to the top of the table (1). The cylinder (19) is fixed through the top of the L-shaped frame (18). The motor (20) is fixed to the lower end of the cylinder (19). The cutting disc (21) is fixed to the output end of the motor (20), and the cutting disc (21) is located above the tooth groove (13).

5. A cutting device for heat exchanger processing according to claim 1, characterized in that: The first rotating shaft (4), the first gear (5) and the movable plate (10) are symmetrically distributed in two places about the central axis of the U-shaped plate (2), and the side of the movable plate (10) is in contact with the outer side of the U-shaped plate (2). The spacer plate (11) is designed as a "T" shaped structure, and the side of the spacer plate (11) is in contact with the inner side of the U-shaped plate (2).

6. A cutting device for heat exchanger processing according to claim 1, characterized in that: The bottom of the tabletop (1) is provided with support legs.

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