Bending device for radiating pipes of multiple specifications

Abstract

The utility model provides a bending device for radiating pipes of multiple specifications. Comprising a fixing plate, a tire body is fixed to the fixing plate, a positioning groove A is formed in the inner side wall of the tire body, a small roller and a large roller are sequentially arranged in the extending direction of the head end of the positioning groove A, a positioning groove B and a positioning groove C are sequentially formed in the wheel face of the small roller and the wheel face of the large roller, and the positioning grooves A, B and C are located on the same horizontal plane; the large roller is connected with a large wrench; the large wrench can drive the large roller to rotate around the central axis of the small roller; a supporting block is arranged on the fixing plate, the supporting block faces the section, close to the head end, of the positioning groove A, a pressing block is arranged between the supporting block and the positioning groove A, the pressing block is in sliding connection with the supporting block through a sliding rod, a rotating block is rotationally connected to the portion, between the pressing block and the supporting block, of the fixing plate, the rotating block is connected with a small wrench, and the section, located on the outer side of the supporting block, of the sliding rod is sleeved with a spring. The device has the characteristics of convenience in operation, high qualification rate, high production efficiency and strong stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger column pipe type core body technical field, especially a kind of bending device of multi-specification radiating pipe BACKGROUND

[0002] Radiating pipe is the main element in the column pipe type core body in heat exchanger, same column pipe type core body is installed same bending sheet metal multiple specifications radiating pipe, these radiating pipes are usually arranged according to certain rule, form dense radiating channel.These channels can greatly increase radiating area, increase radiating efficiency, so the bending quality of radiating pipe is crucial.

[0003] In the related art, radiating pipe bending is mainly bent by bender or bending mould, to reach the bending size of radiating pipe.Therefore, the bending quality of radiating pipe directly affects the radiating area and radiating efficiency of column pipe type core body.

[0004] However, the bending of radiating pipe has always adopted the way of simple bending mould bending, and the ellipticity of the bending part of the radiating pipe produced by this way is out of tolerance, and the wall thickness is thin, the qualified rate is 25%, the radiating pipe specifications of a set of core body reach 10-30, and 10-30 sets of simple bending moulds are needed for producing a set of core body, so the production cycle is long and the cost is too high.With the development trend of increasing demand for column pipe type radiator products, product type updating, and continuous improvement of product quality, high-quality and high-efficiency production demand is put forward for the bending of radiating pipe in column pipe type core body. UTILITY MODEL CONTENTS

[0005] In order to solve the technical problems in the related art, the utility model provides a kind of bending device of multi-specification radiating pipe.The utility model has the characteristics of convenient operation, high qualified rate, high production efficiency and strong stability.

[0006] Technical scheme.A kind of bending device of multi-specification radiating pipe, including fixed plate, fixed plate is fixed with body, and the inner side wall of body is provided with positioning recess A, and the extension direction of the head end of positioning recess A is sequentially provided with small roller and large roller, and the wheel surface of small roller and large roller is sequentially provided with positioning recess B and positioning recess C, and positioning recess A, B, C are in the same horizontal plane;Large roller is connected with large wrench, and large wrench can drive large roller to rotate around the central axis of small roller;Supporting block is provided on fixed plate, and supporting block is close to head end section in positioning recess A, and pressure block is provided between supporting block and positioning recess A, and pressure block is slidably connected with supporting block by slide rod, and rotating block is rotatably connected on the fixed plate between pressure block and supporting block, and rotating block is connected with small wrench, and spring is sleeved on the outer side section of slide rod.

[0007] The fixing plate is provided with a positioning block, the positioning block is close to the tail end section of the positioning groove A, more than one clamping slot is axially arranged on the side wall of the positioning block along the positioning groove A, and the clamping slot is used for inserting the pin.

[0008] The adjacent clamping slots are equidistant and staggered.

[0009] The inner side wall of the pressing block is provided with rubber.

[0010] The bottom surface of the fixing plate is provided with a clamping plate.

[0011] The gap between the small roller and the large roller is 0.1mm.

[0012] The bending process device for multi-specification heat dissipation pipes is used for bending heat dissipation pipes of a column tube type core body in a heat exchanger, so that the forming quality and efficiency of the heat dissipation pipes are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view.

[0014] Figure 2 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view. Figure 1 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view.

[0015] Figure 3 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view.

[0016] Figure 4 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view. DETAILED DESCRIPTION

[0017] The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view.

[0018] The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view. Figures 1 to 3 The bending device for multi-specification heat dissipation pipes provided by the utility model is shown in the structural schematic view.

[0019] The fixed plate 13 is fixed with the tire body 1, the inner wall of the tire body 1 is provided with a positioning groove A15, the extension direction of the head end of the positioning groove A15 is sequentially provided with a small roller 10 and a large roller 11, the wheel surface of the small roller and the large roller is sequentially provided with a positioning groove B16 and a positioning groove C17, and the positioning grooves A, B and C are in the same horizontal plane; the large roller 11 is connected with a large wrench 12, the large wrench 12 can drive the large roller 11 to rotate around the central axis of the small roller 10; the fixed plate 13 is provided with a supporting block 9, the supporting block 9 is close to the head end of the positioning groove A15, a pressing block 6 is arranged between the supporting block 9 and the positioning groove A15, the pressing block 6 is slidably connected with the supporting block 9 through a sliding rod 18, a rotating block 8 is rotatably connected with the fixed plate 13 between the pressing block 6 and the supporting block 9, the rotating block 8 is connected with a small wrench 7, and the sliding rod 18 is sleeved with a spring 19 on the outer side of the supporting block 9.

[0020] The aforementioned fixed plate 13 is provided with a positioning block 2, the positioning block 2 is close to the tail end of the positioning groove A15, and more than one clamping groove 20 is arranged on the side wall of the positioning block 2 along the axial direction of the positioning groove A15, and the clamping groove 20 is used for inserting a pin 3.

[0021] The adjacent clamping grooves 20 are equidistant and staggered in up and down.

[0022] The inner wall of the aforementioned pressing block 6 is provided with a rubber 5.

[0023] The bottom surface of the aforementioned fixed plate 13 is provided with a clamping plate 14.

[0024] The gap between the small roller 10 and the large roller 11 is 0.1mm.

[0025] As known from the above, the tire body 1, the positioning block 2, the rotating block 8, the supporting block 9 and the clamping plate 14 are fixed on the fixed plate 5, the small roller 10 and the large wrench 12 are fixed on the fixed plate 13 by bolts, the small roller 10 is located on the upper side of the fixed plate 13, the large wrench 12 is located on the lower side of the fixed plate 5, the bolts pass through the circular holes of the large roller 11 and the large wrench 12 and are fastened by nuts, the large roller 11 is fixed on the upper side of the fixed plate 13, the gap between the small roller 10 and the large roller 11 is 0.1mm, the grooves in the two rollers are in the same horizontal line, the pin 3 is inserted into the clamping groove in the positioning block 2, and the 3mm pin passes through the circular hole of the pin 3. The rubber 5 is fixed on the pressing block 6 by a countersunk screw, the pressing block 6 and the supporting block 9 are connected by a hexagonal head screw, the spring is arranged between the hexagonal head screw and the supporting block 9, the small wrench 7 is assembled on the rotating block 8, and the handle 4 is assembled on the small wrench 7.

[0026] The groove on the tire body 1 and the grooves on the small roller 10 and the large roller 11 are in the same horizontal line, and the radius of the groove is Φ2.36, which matches the pipe diameter of the curved heat dissipation pipe.

[0027] The fixed plate 5 is provided with positioning pin holes and screw holes for mounting the tire body 1, the positioning block 2, the rotating block 8, the supporting block 9 and the clamping plate 14.

[0028] The supporting block 9 is provided with two sink holes for mounting springs and two hexagonal head screws with a diameter of 8 mm, and the end of the hexagonal head screw is connected with the pressing block 6.

[0029] The rotating block 8 is provided with screw holes and positioning pin holes, the screw can pass through the screw holes to fix the small wrench 7 and the rotating block 8 on the fixed plate 5, and the pin positioning pin holes fix the small wrench 7 on the rotating block 8.

[0030] The radius of the recess on the tire body 1, the small roller 10 and the large roller 11 is equal.

[0031] The utility model discloses a kind of multi-specification heat dissipation pipe bending device, by bending 10-30 kinds of heat dissipation pipe simultaneously to replace original 10-30 kinds of simple bending tire, to improve the bending quality and efficiency of multi-specification heat dissipation pipe.

[0032] The use process of the bending device of a kind of multi-specification heat dissipation pipe provided by the utility model includes:

[0033] 1.The device is fixed on the vice, the clamping plate 14 is fixed in the clamping groove of the vice, the large wrench 12 is rotated, the large roller 11 is pushed to the side of the supporting block 9, then the heat dissipation pipe with diameter Φ2.36, such as Figure 3 The heat dissipation pipe with the shape is passed through the positioning recess in the middle of the small roller 10 and the large roller 11, is placed in the positioning recess of the tire body 1, the bolt 3 is installed in the clamping groove on the positioning block 2, the end of the bolt is guaranteed to contact with the end of the heat dissipation pipe, and the bending length size of the heat dissipation pipe is guaranteed.

[0034] 2.The handle 4 is operated, the small wrench 7 connected with the handle 4 rotates the rotating block 8, the rotating block 8 pushes the pressing block 6 and the rubber 5 to the tire body 1, the rubber 5 is extruded by the pressing block 6 and the tire body 1, and the purpose of compressing the heat dissipation pipe is achieved.The large wrench 12 is operated to rotate the large roller 11, when the bending part of the heat dissipation pipe is a complete semicircle, the large roller rotates 180°, and the bending is completed.When the bending part of the heat dissipation pipe is composed of two 1 / 4 circles and a straight line segment, the large roller 11 is rotated by 90°, the handle 4 is operated, the rotating block 8 is rotated, the pressing block 6 and the rubber 5 are moved to the direction of the supporting block, at this time, the heat dissipation pipe is pulled out from the recess in the middle of the small roller 10 and the large roller 11, the other end of the heat dissipation pipe is fixed in the recess of the tire body, and the large roller 11 is rotated by 90° to complete the bending of the heat dissipation pipe.

[0035] The above examples are merely intended for the purpose of illustration and are not intended to limit the embodiments. Based on the above description, those skilled in the art can make other variations or changes in the form of differences.

Claims

1. A bending device for heat dissipation pipes of various specifications, characterized in that: The invention comprises a fixing plate (13), a carcass (1) is fixed on the fixing plate (13), a positioning groove A (15) is provided on the inner side wall of the carcass (1), a small roller (10) and a large roller (11) are sequentially provided in the extending direction of the head end of the positioning groove A, and a positioning groove B (16) and a positioning groove C (17) are sequentially provided on the wheel surfaces of the small and large rollers, and the positioning grooves A, B and C are in the same horizontal plane; the large roller (11) is connected to the large wrench (12), and the large wrench (12) can drive the large roller (11) to move around the small roller (10). ) is rotated about the central axis; a support block (9) is provided on the fixed plate (13), the support block (9) faces the positioning groove A (15) and is close to the head end, a pressure block (6) is provided between the support block (9) and the positioning groove A (15), the pressure block (6) is slidably connected to the support block (9) via a slide bar (18), a rotating block (8) is rotatably connected to the fixed plate (13) between the pressure block (6) and the support block (9), the rotating block (8) is connected to the small wrench (7), and a spring (19) is sleeved on a section of the slide bar (18) located outside the support block (9).

2. The bending device for multi-specification heat pipes according to claim 1, characterized in that: A positioning block (2) is provided on the fixing plate (13), and the positioning block (2) faces the positioning groove A (15) near the tail end. One or more clamping grooves (20) are opened on the side wall of the positioning block (2) along the axial direction of the positioning groove A (15), and the clamping grooves (20) are used for the latch pin (3).

3. The bending device for multi-specification heat pipes according to claim 2, characterized in that: Adjacent card slots (20) are equidistant and arranged in an upper and lower staggered manner.

4. The bending device for multi-specification heat pipes according to claim 1, characterized in that: A rubber (5) is provided on the inner side wall of the pressing block (6).

5. The bending device for heat dissipation pipes of various specifications according to claim 1, characterized in that: The bottom surface of the fixing plate (13) is provided with a clamping plate (14).

6. The bending device for heat dissipation pipes of various specifications according to claim 1, characterized in that: The gap between the small roller (10) and the large roller (11) is 0.1 mm.

Images