Pipe bending machine for thick Bundy pipe

Abstract

The utility model discloses a thick Bundy pipe bender, relates to the Bundy pipe processing technical field, and concretely comprises a machine base, a lower panel and an upper panel, the top of the machine base is provided with the lower panel, the top of the lower panel is provided with a pipe bending die, the pipe bending die is provided with a shaping groove matched with a thick Bundy pipe bend, and the shaping groove is provided with a shaping groove matched with the thick Bundy pipe bend. A main shaft is movably connected to the middle of an inner cavity of the pipe bending die, a third bending wheel is connected to the top end of the main shaft through a bending wheel plate, a clamping block is connected to one side of the pipe bending die through a second air pressure telescopic rod, and a limiting groove is formed in the side, close to the shaping groove, of the clamping block. And a pressing rounding structure and a bending assembly are arranged on the upper panel. The thick Bundy pipe is limited through the shaping groove and the limiting groove, the bending precision is improved, the pressing and fixing reliability of the gland on the middleware is improved through the rounding groove, the middleware can be bent again conveniently, the rounding groove can conduct rounding on the bent part of the middleware, the production process is simplified, and meanwhile the bending precision is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bonding pipe processing technology, specifically to a rough bonding pipe bending machine. BACKGROUND

[0002] The rough bonding pipe bending machine is a kind of bending equipment specially used for processing bonding pipe, mainly used for the production of compressor of refrigeration equipment such as air conditioner, refrigerator etc. It can accurately bend and form bonding pipe to meet the shape and size requirements of different products. But the stress received by the two sides of pipe material is different in the actual bending process of bonding pipe, which will cause the cross section of pipe material to change, and the existing rough bonding pipe bending machine usually does not have a rounding function or is provided with a rounding structure, so that the bending and forming piece needs to be corrected again, reducing the rough bonding pipe bending processing efficiency. Based on this, the present application provides a rough bonding pipe bending machine. SUMMARY

[0003] The utility model provides a rough bonding pipe bending machine, solves the problem of rough bonding pipe in the bending process in the background art, cannot realize rounding, reduces the processing efficiency.

[0004] The utility model provides following technical scheme: a rough bonding pipe bending machine, including frame, lower panel and upper panel, the top of frame is provided with lower panel, the top of lower panel is provided with bending mould, is provided with the shaping groove that is suitable for the rough bonding pipe bending on the bending mould, the middle part of bending mould inner chamber is movably connected with the main shaft, the top of main shaft is connected with the bending wheel three through the bending wheel board, one side of bending mould is connected with the clamping block through the second pneumatic telescopic link, the side of clamping block close to shaping groove is equipped with the limit groove,

[0005] The upper panel is connected with the top of lower panel through support rod, and the upper panel is equipped with pressing rounding structure and bending assembly, the pressing rounding structure includes the fifth pneumatic telescopic link connected with the upper panel, the connecting block connected with the output shaft end of fifth pneumatic telescopic link and the gland connected with the bottom of connecting block, the gland is located just above the bending mould, and the bottom of gland is provided with rounding groove,

[0006] The bending assembly includes the fourth pneumatic telescopic link connected with the top of upper panel, the limit rod connected with the output shaft end of fourth pneumatic telescopic link, the bending wheel two movably connected with the bottom end of limit rod, the third pneumatic telescopic link connected with one side of the bottom of upper panel and the bending wheel one connected with the output shaft end of third pneumatic telescopic link.

[0007] Preferably, the top of the lower panel is provided with a main shaft driving structure, the main shaft driving structure comprises a first pneumatic telescopic rod connected with the lower panel, a toothed plate fixedly connected with the output shaft end of the first pneumatic telescopic rod, a gear connected with the outer ring of the bottom end of the main shaft and an isolation cover connected with the lower panel, the toothed plate is engaged with the gear, and the toothed plate is movably connected with the inner cavity of the isolation cover.

[0008] Preferably, the bottom of the connecting block is fixedly connected with a positioning needle, the bottom end of the positioning needle is connected with a gland, and the top of the elbow die is provided with a positioning groove matched with the positioning needle.

[0009] Preferably, one side of the base is provided with a control panel.

[0010] Preferably, the top of the lower panel near one side of the control panel is provided with an emergency stop switch, both ends of the lower panel near one side of the control panel are provided with safety grating, and the outer side of the safety grating is provided with a safety grating cover.

[0011] Preferably, one side of the bottom of the upper panel is provided with a fixing seat, the third pneumatic telescopic rod is connected with the upper panel through the fixing seat, the third pneumatic telescopic rod is located on the side of the elbow die close to the clamping block, and the bending wheel is located on the side of the third pneumatic telescopic rod close to the elbow die.

[0012] Compared with the prior art, the crude bongdi pipe bending machine has the following beneficial effects:

[0013] 1. The crude bongdi pipe bending machine is characterized in that the setting of the shaping groove, the limiting groove and the rounding groove can limit the crude bongdi pipe during the bending process, improve the bending precision, utilize the rounding groove to improve the pressing and fixing reliability of the gland on the intermediate piece, facilitate the re-bending of the intermediate piece, and the rounding groove can round the bending part of the intermediate piece, so that the production process and the equipment structure are simplified, and the bending precision is further improved.

[0014] 2. The crude bongdi pipe bending machine is driven by the pneumatic telescopic rod, has high stability, is beneficial to guarantee the bending precision of the crude bongdi pipe, has low cost, high efficiency and is easy to apply to the bending machine, and is provided with the safety grating, so that the pneumatic telescopic rod is prevented from being misoperated when the worker's hand is stretched into the work area, and the use safety of the bending machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0016] Figure 2 It is a front view schematic view of the structure of the utility model;

[0017] Figure 3 It is a left view schematic view of the structure of the utility model;

[0018] Figure 4 This is a top view of the structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the main shaft drive structure of this utility model;

[0020] Figure 6 The structure of this utility model Figure 5 Cross-sectional view;

[0021] Figure 7 This is a schematic diagram of the pipe bending mold of this utility model;

[0022] Figure 8 This is a schematic diagram of the structural clamping block of this utility model;

[0023] Figure 9 This is a bottom view of the structural cover of this utility model.

[0024] In the diagram: 1. Base; 2. Fourth pneumatic telescopic rod; 3. Control panel; 4. Lower panel; 5. Support rod; 6. Upper panel; 7. Main shaft; 8. Bending mold; 9. Emergency stop switch; 10. Safety light curtain; 11. Safety light curtain cover; 12. First pneumatic telescopic rod; 13. Bending wheel plate; 14. Second pneumatic telescopic rod; 15. Third pneumatic telescopic rod; 16. Bending wheel one; 17. Fifth pneumatic telescopic rod; 18. Pressure cover; 19. Connecting block; 20. Limiting rod; 21. Bending wheel two; 22. Gear; 23. Clamping block; 24. Bending wheel three; 25. Isolation cover; 26. Fixed seat; 27. Gear plate; 28. Round groove; 29. ​​Limiting groove; 30. Shaping groove; 31. Positioning pin; 32. Positioning groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides an embodiment: Please refer to Figures 1-9 A coarse Bondi pipe bending machine includes a base 1, a lower panel 4 and an upper panel 6. A control panel is provided on one side of the base 1, and the lower panel 4 is provided on the top of the base 1. A bending die 8 is provided on the top of the lower panel 4. The bending die 8 and the lower panel 4 can be connected by bolts to facilitate the replacement of the bending die 8.

[0027] The top of the base 1 is provided with a lower panel 4, the top of the lower panel 4 is provided with a pipe bending die 8, the pipe bending die 8 is provided with a shaping groove 30 matched with the pipe bending of the rough bundy pipe, the middle part of the inner cavity of the pipe bending die 8 is movably connected with a main shaft 7, the top end of the main shaft 7 is fixedly connected with a bending wheel plate 13, one side of the bending wheel plate 13 is connected with a bending wheel three 24, when the main shaft 7 rotates, the main shaft 7 can drive the bending wheel three 24 to rotate through the bending wheel plate 13.

[0028] The top of the lower panel 4 is provided with a main shaft driving structure, the main shaft driving structure comprises a first pneumatic telescopic rod 12 connected with the lower panel 4, a tooth plate 27 fixedly connected with the output shaft end of the first pneumatic telescopic rod 12, a gear 22 connected with the bottom end outer ring of the main shaft 7 and an isolation cover 25 connected with the lower panel 4, the tooth plate 27 is engaged with the gear 22, and the tooth plate 27 is movably connected with the inner cavity of the isolation cover 25, through the arrangement of the main shaft driving structure, the extension and contraction of the first pneumatic telescopic rod 12 can change the position of the tooth plate 27 connected therewith, the tooth plate 27 can drive the gear 22 engaged therewith to rotate when the tooth plate 27 moves, and the gear 22 drives the main shaft 7 fixedly connected therewith to rotate.

[0029] One side of the pipe bending die 8 is connected with a second pneumatic telescopic rod 14, the output shaft end of the second pneumatic telescopic rod 14 is connected with a clamping block 23, one side of the clamping block 23 close to the shaping groove 30 is provided with a limiting groove 29 matched with the rough bundy pipe to be machined, and the extension and contraction of the second pneumatic telescopic rod 14 can change the position of the clamping block 23 connected therewith, and the clamping block 23 and the pipe bending die 8 are used in cooperation, so that the clamping and fixing of the rough bundy pipe to be machined can be realized.

[0030] The top of the lower panel 4 is provided with a main shaft driving structure, the main shaft driving structure comprises a first pneumatic telescopic rod 12 connected with the lower panel 4, a tooth plate 27 fixedly connected with the output shaft end of the first pneumatic telescopic rod 12, a gear 22 connected with the bottom end outer ring of the main shaft 7 and an isolation cover 25 connected with the lower panel 4, the tooth plate 27 is engaged with the gear 22, and the tooth plate 27 is movably connected with the inner cavity of the isolation cover 25, through the arrangement of the main shaft driving structure, the extension and contraction of the first pneumatic telescopic rod 12 can change the position of the tooth plate 27 connected therewith, the tooth plate 27 can drive the gear 22 engaged therewith to rotate when the tooth plate 27 moves, and the gear 22 drives the main shaft 7 fixedly connected therewith to rotate.

[0031] The top of the lower panel 4 is provided with a main shaft driving structure, the main shaft driving structure comprises a first pneumatic telescopic rod 12 connected with the lower panel 4, a tooth plate 27 fixedly connected with the output shaft end of the first pneumatic telescopic rod 12, a gear 22 connected with the bottom end outer ring of the main shaft 7 and an isolation cover 25 connected with the lower panel 4, the tooth plate 27 is engaged with the gear 22, and the tooth plate 27 is movably connected with the inner cavity of the isolation cover 25, through the arrangement of the main shaft driving structure, the extension and contraction of the first pneumatic telescopic rod 12 can change the position of the tooth plate 27 connected therewith, the tooth plate 27 can drive the gear 22 engaged therewith to rotate when the tooth plate 27 moves, and the gear 22 drives the main shaft 7 fixedly connected therewith to rotate.

[0032] The pressing and rounding structure comprises a fifth pneumatic telescopic rod 17 connected with the upper panel 6, a connecting block 19 connected with the output shaft end of the fifth pneumatic telescopic rod 17, and a pressing cover 18 connected with the bottom of the connecting block 19. The pressing cover 18 is located directly above the bending die 8, and the bottom of the pressing cover 18 is provided with a rounding groove 28. The telescopic movement of the fifth pneumatic telescopic rod 17 can change the position of the connecting block 19 connected therewith. When the connecting block 19 moves, the pressing cover 18 can be driven to move. In use, under the action of the fifth pneumatic telescopic rod 17, the pressing cover 18 can press and fix the intermediate workpiece after being bent twice, and the pressing cover 18 can round the intermediate workpiece.

[0033] The pressing cover 18 can be a nylon pressing cover

[0034] The bottom of the connecting block 19 is fixedly connected with a positioning needle 31, the bottom end of the positioning needle 31 is connected with the pressing cover 18, and the top of the bending die 8 is provided with a positioning groove 32 matched with the positioning needle 31. Through the positioning needle 31, the pressing cover 18 can be positioned, and the displacement accuracy of the pressing cover 18 is improved.

[0035] The pressing and rounding structure further comprises a fourth pneumatic telescopic rod 2 connected with the top of the upper panel 6, a limiting rod 20 connected with the output shaft end of the fourth pneumatic telescopic rod 2, and a bending wheel two 21 movably connected with the bottom end of the limiting rod 20. The telescopic movement of the fourth pneumatic telescopic rod 2 can change the position of the bending wheel two 21 through the limiting rod 20. In use, the bending wheel two 21 can be used to bend the intermediate workpiece again after being bent twice. After the thick bundy pipe is bent three times, the bending pipe is formed.

[0036] As can be seen from the above description, the thick bundy pipe is bent three times to form a bending pipe. In the bending process of the thick bundy pipe, the positioning groove 30 and the limiting groove 29 are used to limit the thick bundy pipe, thereby improving the bending accuracy. The pressing cover 18 is used to press and fix the intermediate workpiece and round the intermediate workpiece, thereby simplifying the production process, improving the bending accuracy, and the pressing cover 18 of the present application has the functions of pressing and rounding, so that the present application does not need to additionally provide a rounding structure, and the structure of the present application is simplified.

[0037] In addition, the top of the lower panel 4 near the control panel 3 is provided with an emergency stop switch 9, and the two ends of the lower panel 4 near the control panel 3 are provided with safety grating 10. The outer side of the safety grating 10 is provided with a safety grating guard 11. Through the setting of the safety grating 10, the pneumatic telescopic rod can be prevented from being misoperated when the worker's hand is stretched into the working area, and the safety of the bending pipe machine is improved.

[0038] The air pressure telescopic rods involved in the present application are all prior art, and the connecting mode thereof is known to those skilled in the art. All the air pressure telescopic rods in the present application are connected with the air pressure systems adapted thereto by those skilled in the art, and a suitable controller is selected according to actual conditions to meet the control requirements. The specific connection and control sequence are described below. The electrical devices are sequentially connected according to the working sequence. The detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0039] In summary: when the rough Bundy pipe bending machine is used, the straight pipe to be processed is placed into the shaping groove 30, the second air pressure telescopic rod 14 is retracted, the second air pressure telescopic rod 14 drives the clamping block 23 to move until the clamping block 23 clamps the straight pipe; the third air pressure telescopic rod 15 is elongated, the third air pressure telescopic rod 15 drives the bending wheel one 16 connected thereto to move, the bending wheel one 16 can extrude the straight pipe, and the straight pipe is bent under the action of the extrusion force until the bending wheel one 16 bends the straight pipe into a horizontal state; the first air pressure telescopic rod 12 is elongated, the first air pressure telescopic rod 12 drives the gear plate 27 to move, the gear plate 27 drives the gear 22 engaged therewith to rotate in the moving process, the gear 22 drives the main shaft 7 fixedly connected thereto to rotate, the main shaft 7 drives the bending wheel three 24 to rotate through the bending wheel plate 13, the bending wheel three 24 extrudes the horizontal end of the rough Bundy pipe until the horizontal end of the rough Bundy pipe is bent into a semicircular shape; the fifth air pressure telescopic rod 17 is elongated, the fifth air pressure telescopic rod 17 drives the gland 18 to move downward through the connecting block 19 until the gland 18 presses the pipe bent into a semicircular shape and simultaneously rounds the pipe; the fourth air pressure telescopic rod 2 is elongated, the fourth air pressure telescopic rod 2 drives the bending wheel two 21 to move downward, and the bending wheel presses the pipe downward into a vertical state to complete the pipe bending. Finally, all the air pressure telescopic rods return to the original positions, and the worker can take out the bent product.

[0040] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and details are not described herein. The contents not described in detail in the description belong to the prior art known to those skilled in the art. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rough bundy pipe bending machine comprising a machine base (1), a lower panel (4) and an upper panel (6), characterized in that: The top of the base (1) is provided with a lower panel (4), the top of the lower panel (4) is provided with a pipe bending die (8), the pipe bending die (8) is provided with a shaping groove (30) matched with the rough bundy pipe bending, the middle part of the inner cavity of the pipe bending die (8) is movably connected with a main shaft (7), the top end of the main shaft (7) is connected with a bending wheel three (24) through a bending wheel plate (13), one side of the pipe bending die (8) is connected with a clamping block (23) through a second air pressure telescopic rod (14), and one side of the clamping block (23) close to the shaping groove (30) is provided with a limiting groove (29). The upper panel (6) is connected with the top of the lower panel (4) through a supporting rod (5), and the upper panel (6) is provided with a pressing round structure and a bending assembly; the pressing round structure comprises a fifth air pressure telescopic rod (17) connected with the upper panel (6), a connecting block (19) connected with the output shaft end of the fifth air pressure telescopic rod (17), and a pressing cover (18) connected with the bottom of the connecting block (19), the pressing cover (18) is located directly above the pipe bending die (8), and the bottom of the pressing cover (18) is provided with a round groove (28). The bending assembly comprises a fourth air pressure telescopic rod (2) connected with the top of the upper panel (6), a limiting rod (20) connected with the output shaft end of the fourth air pressure telescopic rod (2), a bending wheel two (21) movably connected with the bottom end of the limiting rod (20), a third air pressure telescopic rod (15) connected with one side of the bottom of the upper panel (6), and a bending wheel one (16) connected with the output shaft end of the third air pressure telescopic rod (15).

2. A rough bender according to claim 1, characterised in that: The top of the lower panel (4) is provided with a main shaft driving structure, the main shaft driving structure comprises a first air pressure telescopic rod (12) connected with the lower panel (4), a toothed plate (27) fixedly connected with the output shaft end of the first air pressure telescopic rod (12), a gear (22) connected with the bottom end outer circle of the main shaft (7), and an isolation cover (25) connected with the lower panel (4), the toothed plate (27) is engaged with the gear (22), and the toothed plate (27) is movably connected with the inner cavity of the isolation cover (25).

3. A rough bender as claimed in claim 1, wherein: The bottom of the connecting block (19) is fixedly connected with a positioning needle (31), the bottom end of the positioning needle (31) is connected with the pressing cover (18), and the top of the pipe bending die (8) is provided with a positioning groove (32) matched with the positioning needle (31).

4. A rough bender according to claim 1, characterized in that: One side of the base (1) is provided with a control panel (3).

5. A rough bender according to claim 4, wherein: The top of the lower panel (4) close to one side of the control panel (3) is provided with an emergency stop switch (9), both ends of the lower panel (4) close to one side of the control panel (3) are provided with safety grating (10), and the outer side of the safety grating (10) is provided with a safety grating guard (11).

6. A rough bender as claimed in claim 1, wherein: One side of the bottom of the upper panel (6) is provided with a fixing seat (26), the third air pressure telescopic rod (15) is connected with the upper panel (6) through the fixing seat (26), the third air pressure telescopic rod (15) is located at one side of the pipe bending die (8) close to the clamping block (23), and the bending wheel one (16) is located at one side of the third air pressure telescopic rod (15) close to the pipe bending die (8).

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