Automatic spiral pipe bending machine

Abstract

The utility model discloses an automatic spiral pipe bender, which relates to the field of pipe benders, and comprises a hopper component, a feeding component, a feeding component, a discharging component, a spiral pipe bender, a spiral pipe bender and a spiral pipe bender, and is characterized in that the hopper component is supported on a rack through a front table panel and is used for collecting pipes from a previous process and conveying the pipes to a position close to the feeding component; the feeding part is supported on the rack through a background panel and used for clamping the pipe and conveying the pipe to the pipe bending part; the pipe bending part is supported on the rack through a fixing plate and is used for continuously bending the pipe material to form a spiral bent pipe; and the clamping component is supported on the rack through the background panel and is used for clamping the spiral bent pipe and feeding the spiral bent pipe into the material receiving hopper between the fixing plate and the background panel. The servo driving air cylinder is adopted, parameter adjustment is convenient, operation efficiency is high, multiple bends are formed in a full-automatic one-time mode, a plurality of workers can be saved, labor force is effectively reduced, and production efficiency and product stability are improved.

Description

Technical Field

[0001] The utility model relates to the field of pipe bending machines, in particular to an automatic spiral pipe bending machine. Background Art

[0002] Spiral electric heating tubes are widely used in various heating appliances due to their small size and high power. However, the electric heating tubes themselves are not spiral and need to be bent into a spiral shape using a pipe bending machine. The pipe bending machines on the market are mainly manual semi-automatic pipe bending machines, which take up a lot of manpower, require manual loading, have low loading efficiency, poor material separation effect, cumbersome adjustments, inconvenient operation, and unstable finished products. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and to provide an automatic spiral pipe bending machine, which adopts a servo-driven cylinder, has convenient parameter adjustment, high operating efficiency, and can automatically form multiple bends at one time, which can save multiple manual labor, effectively reduce labor, and improve production efficiency and product stability.

[0004] The purpose of the utility model is achieved through the following technical solutions: This automatic spiral pipe bending machine includes:

[0005] The hopper component is supported on the frame through the front panel, and is used to collect the pipe materials from the previous process and transport the pipe materials to the place close to the loading component;

[0006] The feeding component is supported on the frame through the back panel and is used to clamp the pipe material and transport it to the pipe bending component;

[0007] A pipe bending component, supported on a frame by a fixing plate, for continuously bending the pipe material to form a spiral pipe bend; and

[0008] The clamping component is supported on the frame through the back panel and is used to clamp the spiral bent pipe and send the spiral bent pipe into the receiving hopper between the fixed plate and the back panel.

[0009] As a further technical solution, the hopper component includes a hopper frame, a plurality of cross bars, a ejection block and a discharge cylinder. A plurality of small holes matching the cross bars are provided on the inner wall on one side of the hopper frame. One end of the cross bar is inserted into the small hole, and the other end is supported by a support block correspondingly arranged on the inner wall on the other side of the hopper frame, so that the cross bar is obliquely connected to the two ends of the hopper frame. The discharge cylinder is installed inside the frame, and the upper end of the discharge cylinder is connected to drive the lifting plate through a fixed pin. A plurality of ejection blocks are evenly distributed on the lifting plate, and the ejection blocks and the support blocks are staggered. The discharge cylinder pushes the pipe material on the cross bar out of the hopper frame through the ejection block.

[0010] As a further technical solution, a guiding inclined surface and a plurality of material placing blocks are arranged at the top of one side surface of the hopper frame facing the feeding component. After the pipe material is ejected from the hopper frame, it enters the material placing blocks along the guiding inclined surface. Grooves are formed in the material placing blocks for temporarily storing the pipe material.

[0011] As a further technical solution, the feeding component includes a linear guide fixed on the background panel, a docking component slidably arranged on the linear guide, a lifting cylinder fixed on the docking component, and a translation cylinder used for connecting and driving the docking component. The output end of the lifting cylinder is connected to a forward and backward cylinder, driving the forward and backward cylinder to move up and down in the vertical direction. The output end of the forward and backward cylinder is connected to drive an intermediate connecting plate. Two feeding clamps are arranged at both ends of the intermediate connecting plate for clamping the pipe material from the hopper component.

[0012] As a further technical solution, the feeding clamp includes an upper clamp and a lower clamp driven by a cylinder. The upper clamp first clamps the pipe material and then the lifting cylinder rises. The lower clamp then clamps the pipe material, and the pipe material is sent to the bending component by translating along the linear guide through the translation cylinder.

[0013] As a further technical solution, the bending component includes a connecting plate and a rotary motor fixed on a fixing plate. A rotary disk driven by the rotary motor is relatively rotatably arranged on the connecting plate. A fixture for positioning the pipe material is arranged on the rotary disk, and a die core is installed at the center of the rotary disk. A bending motor and a screw rod guiding and sliding component are arranged at the top of the connecting plate. The bending motor is used to start the screw rod sliding seat to slide along the screw rod guiding and sliding component. A follower seat driven by a stripping cylinder to lift is arranged on the screw rod sliding seat. A stripping follower is installed on the follower seat. A groove matching the pipe material is formed in the stripping follower. When the rotary disk rotates, the pipe material is bent and deformed along the die core under the guidance of the groove.

[0014] As a further technical solution, a clamping cylinder for driving a clamping plate and a positioning head for positioning the end of the pipe material are fixed on the connecting plate. A bending pipe part is arranged above the fixture for cooperating with the clamping plate to clamp the end of the pipe material.

[0015] As a further technical solution, the clamping component includes a support frame fixed on the background panel, a protruding cylinder installed on the support frame, a receiving component driven by the protruding cylinder, a clamping cylinder installed on the receiving component, and a clamp driven by the clamping cylinder. The clamp is arranged opposite to the die core for clamping the spiral bent pipe.

[0016] As a further technical solution, a rear baffle is arranged between the front panel and the background panel, and a front baffle is arranged on the other side of the front panel. The hopper frame is fixedly connected to the front panel through a hopper mounting seat; a material supporting housing is installed on the upper end surface of the background panel, and an air control box is arranged in the frame at the lower left of the background panel; a slot is formed in the rear baffle for avoiding the top material block.

[0017] As a further technical solution, an electric control box is provided inside the frame, and the electric control box is electrically connected to the control screen and the three-color alarm lamp at the upper right corner of the frame.

[0018] The beneficial effects of the present utility model are as follows:

[0019] 1. The pipe bending adopts servo control, with convenient parameter adjustment, higher processing accuracy, improved operating efficiency, saving multiple labors, and effectively reducing labor force;

[0020] 2. The hopper component automatically feeds the material through the pusher block, eliminating the need for manual feeding and improving the feeding efficiency;

[0021] 3. After pipe bending, the spiral bent pipe is clamped by the clamping component and sent to the receiving hopper, and the finished spiral bent pipe is collected by the receiving hopper, eliminating the need for manual blanking and having higher production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0023] Figure 2 is a structural schematic diagram of the present utility model with the frame hidden.

[0024] Figure 3 is Figure 2 the front view structural schematic diagram of

[0025] Figure 4 is a connection structural schematic diagram of the fixing plate, front baffle, front table panel, rear baffle and rear table panel in the present utility model.

[0026] Figure 5 is Figure 2 the top view structural schematic diagram of

[0027] Figure 6 is a front view structural schematic diagram of the hopper component in the present utility model.

[0028] Figure 7 is a three-dimensional structural schematic diagram of the hopper component in the present utility model.

[0029] Figure 8 is a three-dimensional structural schematic diagram of the feeding component in the present utility model Figure 1 .

[0030] Figure 9 is a three-dimensional structural schematic diagram of the feeding component in the present utility model Figure 2 .

[0031] Figure 10 is a front view structural schematic diagram of the pipe bending component in the present utility model.

[0032] Figure 11This is a three-dimensional structural schematic diagram of the elbow component in the present utility model.

[0033] Figure 12 This is a three-dimensional structural schematic diagram of the clamping component in the present utility model.

[0034] Explanation of reference numerals in the drawings: elbow component 1, clamping component 2, feeding component 3, hopper component 4, fixing plate 5, front baffle 6, front table panel 7, rear baffle 8, rear table panel 9, pneumatic control box 10, material supporting housing 11, frame 12, receiving hopper 13, three-color alarm lamp 15, control screen 16, electric control box 17, hopper mounting seat 20, pipe material 30, spiral elbow 31, fixture 101, stripping cylinder 102, elbow fitting 103, die core 104, elbow motor 105, connecting plate 106, screw rod guiding and sliding assembly 107, clamping plate 108, clamping cylinder 109, positioning head 110, stripping roller 111, roller seat 112, turntable 113, turntable motor 114, screw rod slider 115, support frame 201, extending cylinder 202, receiving member 203, clamp 204, clamp cylinder 205, linear guide 301, lifting cylinder 302, docking member 303, translation cylinder 304, feeding clamp 305, advancing and retreating cylinder 306, upper clamp 307, lower clamp 308, intermediate connecting plate 309, limiting plate 310, hopper frame 401, cross bar 402, ejecting block 403, discharging cylinder 404, fixing pin 405, small hole 406, material placing block 407, supporting block 408, lifting plate 409, lifting slide rail 410, slide rail fixing seat 411, guiding inclined plane 412. Detailed implementation manners

[0035] The following will introduce the present utility model in detail with reference to the drawings:

[0036] Embodiment: As shown in the attached Figures 1 to 12As shown in the figure, this automatic spiral pipe bender includes a pipe bending component 1, a clamping component 2, a feeding component 3, a hopper component 4, a fixing plate 5, a front baffle 6, a front control panel 7, a rear baffle 8, a rear control panel 9, a pneumatic control box 10, a material supporting housing 11, a frame 12, a receiving hopper 13, a three-color alarm lamp 15, a control screen 16, an electric control box 17, a hopper mounting seat 20, a pipe stock 30, a spiral bent pipe 31, a fixture 101, a stripping cylinder 102, a pipe bending part 103, a die core 104, a pipe bending motor 105, a connecting plate 106, a screw rod guiding and sliding assembly 107, a clamping plate 108, a clamping cylinder 109, a positioning head 110, a stripping roller 111, a roller seat 112, a rotating disk 113, a rotating motor 114, a screw rod sliding seat 115, a support frame 201, a extending cylinder 202, a receiving part 203, a clamp 204, a clamp cylinder 205, a linear guide 301, a lifting cylinder 302, a docking part 303, a translation cylinder 304, a feeding clamp 305, a advancing and retreating cylinder 306, an upper clamp 307, a lower clamp 308, an intermediate connecting plate 309, a limiting plate 310, a hopper frame 401, a cross bar 402, a pushing block 403, a discharging cylinder 404, a fixing pin 405, a small hole 406, a material placing block 407, a support block 408, a lifting plate 409, a lifting slide rail 410, a slide rail fixing seat 411 and a guiding inclined plane 412.

[0037] Refer to the attached Figure 2 、 6 As shown in FIGS. 7, the hopper component 4 is supported on the frame 12 by the front control panel 7, and is used to collect the pipe stock 30 from the previous process and convey the pipe stock 30 to a position close to the feeding component 3. The hopper component 4 includes a hopper frame 401, a plurality of cross bars 402, a pushing block 403 and a discharging cylinder 404. A plurality of small holes 406 matching the cross bars 402 are provided on one inner wall of the hopper frame 401. One end of the cross bar 402 penetrates into the small hole 406, and the other end is supported by a support block 408 correspondingly arranged on the other inner wall of the hopper frame 401, so that the cross bar 402 is obliquely connected to both ends of the hopper frame 401. The discharging cylinder 404 is installed inside the frame 12, and the upper end of the discharging cylinder 404 is connected by a fixing pin 405 to drive the lifting plate 409. The lifting plate 409 is slidably connected with a slide rail fixing seat 411 fixed on the front control panel 7 through a lifting slide rail 410. At the same time, a plurality of pushing blocks 403 are evenly distributed on the lifting plate 409, and the pushing blocks 403 and the support blocks 408 are staggered. The discharging cylinder 404 pushes the pipe stock 30 on the cross bar 402 out of the hopper frame 401 through the pushing blocks 403. Further, a guiding inclined plane 412 and a plurality of material placing blocks 407 are arranged at the top of one side surface of the hopper frame 401 facing the feeding component 3. After the pipe stock 30 is pushed out of the hopper frame 401, it enters the material placing blocks 407 along the guiding inclined plane 412. Grooves are provided on the material placing blocks 407, which can temporarily store the pipe stock 30.

[0038] As shown in Figure 2 、5 As shown in FIGS. 8, 9, the loading component 3 is supported on the frame 12 by the back panel 9 and is used to clamp the pipe material 30 and convey it to the pipe bending component 1. The loading component 3 includes a linear guide 301 fixed on the back panel 9, a docking member 303 slidably arranged on the linear guide 301, a lifting cylinder 302 fixed on the docking member 303, and a translation cylinder 304 used to connect and drive the docking member 303. The output end of the lifting cylinder 302 is connected to the retracting and extending cylinder 306 to drive the retracting and extending cylinder 306 to move up and down in the vertical direction. The output end of the retracting and extending cylinder 306 is connected to drive the intermediate connecting plate 309. Two loading clamps 305 are arranged at both ends of the intermediate connecting plate 309 and are used to clamp the pipe material 30 from the hopper component 4. Further, the loading clamp 305 includes an upper clamp 307 and a lower clamp 308 driven by a cylinder. The upper clamp 307 first clamps the pipe material 30 and then the lifting cylinder 302 rises. The lower clamp 308 then clamps the pipe material 30, and the pipe material 30 is sent to the pipe bending component 1 by translating along the linear guide 301 through the translation cylinder 304. Preferably, a limiting plate 310 is fixed on the side of the docking member 303 to limit the upward movement stroke of the lifting cylinder 302.

[0039] Reference is made to the appended Figure 2 、 3 As shown in FIGS. 10, 11, the pipe bending component 1 is supported on the frame 12 by the fixing plate 5 and is used to continuously bend the pipe material 30 into a spiral bent pipe 31. The pipe bending component 1 includes a connecting plate 106 and a rotary motor 114 fixed on the fixing plate 5. A rotary disk 113 driven by the rotary motor 114 is relatively rotatably arranged on the connecting plate 106. A fixture 101 for positioning the pipe material 30 is provided on the rotary disk 113, and a die core 104 is installed at the center of the rotary disk 113. A pipe bending motor 105 and a lead screw guiding and sliding assembly 107 are arranged at the top of the connecting plate 106. The pipe bending motor 105 is used to start the lead screw slider 115 to slide along the lead screw guiding and sliding assembly 107. A follower seat 112 driven by a stripping cylinder 102 to lift is provided on the lead screw slider 115. A stripping follower 111 is installed on the follower seat 112, and a groove matching the pipe material 30 is formed on the stripping follower 111. When the rotary disk 113 rotates, the pipe material 30 is bent and deformed along the die core 104 under the guidance of the groove. Preferably, a clamping cylinder 109 for driving the clamping plate 108 and a positioning head 110 for positioning the end of the pipe material 30 are fixed on the connecting plate 106. A pipe bending member 103 is arranged above the fixture 101 and is used to cooperate with the clamping plate 108 to clamp the end of the pipe material 30.

[0040] As Figure 2 、 3, as shown in FIGS. 12, the clamping member 2 is supported on the frame 12 by the rear panel 9 and is used to clamp the spiral bent pipe 31 and feed the spiral bent pipe 31 into the receiving hopper 13 between the fixed plate 5 and the rear panel 9. The clamping member 2 includes a support frame 201 fixed on the rear panel 9, an extending cylinder 202 mounted on the support frame 201, a receiving member 203 driven by the extending cylinder 202, a clamp cylinder 205 mounted on the receiving member 203, and a clamp 204 driven by the clamp cylinder 205. The clamp 204 is disposed opposite to the die core 104 and is used to clamp the spiral bent pipe 31.

[0041] Refer to the appendix Figure 4 , a rear baffle 8 is provided between the front panel 7 and the rear panel 9, and a front baffle 6 is provided on the other side of the front panel 7. The hopper frame 401 is fixedly connected to the front panel 7 through the hopper mounting seat 20; a material supporting cover 11 is mounted on the upper end surface of the rear panel 9, and a pneumatic control box 10 is provided in the frame 12 at the lower left side of the rear panel 9; a slot is opened on the rear baffle 8 to avoid the ejector block 403.

[0042] As Figure 1 shown, preferably, an electric control box 17 is provided inside the frame 12, and the electric control box 17 is electrically connected to the control screen 16 and the three-color alarm lamp 15 at the upper right corner of the frame 12.

[0043] The working process of the present utility model: In the previous process, the pipe material 30 is conveyed into the hopper frame 401 of the hopper member 4. The pipe material 30 slides downward along the cross bar 402, and the lifting plate 409 is lifted by the discharging cylinder 404. The pipe material 30 is ejected from the hopper frame 401 by the ejector block 403, and then the pipe material 30 slides down along the guiding inclined surface 412 into the placing block 407. The feeding member 3 clamps the pipe material 30 by the feeding clamp 305, and adjusts the position of the feeding clamp 305 through the lifting cylinder 302, the translation cylinder 304 and the advancing and retreating cylinder 306, so as to convey the pipe material 30 to the bent pipe member 1. The bent pipe member 1 positions the end of the pipe material 30 through the positioning head 110, and then starts the clamping cylinder 109 to drive the clamping plate 108 to cooperate with the bent pipe member 103 and the fixture 101 to clamp the end of the pipe material 30. At the same time, start the rotary motor 114 to drive the rotary disk 113 to rotate, the bent pipe motor 105 drives the screw rod guiding and sliding assembly 107 to adjust the position of the screw rod sliding seat 115, and the stripping cylinder 102 drives the roller seat 112 to descend so that the groove of the stripping roller 111 cooperates with the pipe material 30. When the rotary disk 113 rotates, the pipe material 30 is bent and deformed along the die core 104 under the guidance of the groove. Finally, the finished spiral bent pipe 31 is clamped by the clamp 204 of the clamping member 2, and the spiral bent pipe 31 is fed into the receiving hopper 13 between the fixed plate 5 and the rear panel 9.

[0044] It is understandable that, for those skilled in the art, equivalent replacements or changes to the technical solution and inventive concept of the present utility model should fall within the protection scope of the appended claims of the present utility model.

Claims

1. An automatic spiral pipe bender, characterized in that, Comprising: A hopper component (4), supported on a frame (12) by a front panel (7), for collecting pipe materials (30) from a previous process and conveying the pipe materials (30) to a position close to a loading component (3); A loading component (3), supported on the frame (12) by a rear panel (9), for clamping the pipe materials (30) and conveying them to a pipe bending component (1); A pipe bending component (1), supported on the frame (12) by a fixing plate (5), for continuously bending the pipe materials (30) to form spiral bent pipes (31); and A clamping component (2), supported on the frame (12) by a rear panel (9), for clamping the spiral bent pipes (31) and feeding the spiral bent pipes (31) into a receiving hopper (13) between the fixing plate (5) and the rear panel (9).

2. The automatic spiral pipe bender according to claim 1, wherein: The hopper component (4) includes a hopper frame (401), a plurality of cross bars (402), a material pushing block (403) and a discharging air cylinder (404). A plurality of small holes (406) matching the cross bars (402) are provided on one inner wall surface of the hopper frame (401). One end of the cross bar (402) penetrates into the small hole (406), and the other end is supported by a support block (408) correspondingly arranged on the other inner wall surface of the hopper frame (401), so that the cross bar (402) is obliquely connected to both ends of the hopper frame (401). The discharging air cylinder (404) is installed inside the frame (12) and is used to connect and drive a lifting plate (409). A plurality of material pushing blocks (403) are evenly distributed on the lifting plate (409), and the material pushing blocks (403) and the support blocks (408) are staggered. The discharging air cylinder (404) pushes the pipe materials (30) on the cross bar (402) out of the hopper frame (401) through the material pushing blocks (403).

3. The automatic spiral pipe bender according to claim 2, characterized in that: A guiding inclined surface (412) and a plurality of material placing blocks (407) are arranged at the top of one side surface of the hopper frame (401) facing the loading component (3). After the pipe materials (30) are pushed out of the hopper frame (401), they enter the material placing blocks (407) along the guiding inclined surface (412). Grooves are formed on the material placing blocks (407) for temporarily storing the pipe materials (30).

4. The automatic spiral pipe bender according to claim 1, wherein: The loading component (3) includes a linear rail (301) fixed on the rear panel (9), a docking part (303) slidably arranged on the linear rail (301), a lifting air cylinder (302) fixed on the docking part (303) and a translation air cylinder (304) for connecting and driving the docking part (303). The output end of the lifting air cylinder (302) is connected to a forward and backward air cylinder (306) to drive the forward and backward air cylinder (306) to perform a lifting movement in the vertical direction. The output end of the forward and backward air cylinder (306) is connected to drive an intermediate connecting plate (309). Two loading clamps (305) are arranged at both ends of the intermediate connecting plate (309) for clamping the pipe materials (30) from the hopper component (4).

5. The automatic spiral pipe bender according to claim 4, characterized in that: The feeding tongs (305) include an upper tong (307) and a lower tong (308) driven by a cylinder. The upper tong (307) first clamps the pipe material (30), and then the lifting cylinder (302) rises. The lower tong (308) then clamps the pipe material (30), and the pipe material (30) is sent to the pipe bending component (1) by translating along the line rail (301) through the translation cylinder (304).

6. The automatic spiral pipe bender according to claim 1, characterized in that: The pipe bending component (1) includes a connecting plate (106) and a rotary motor (114) fixed on a fixed plate (5). A rotary disk (113) driven by the rotary motor (114) is rotatably arranged on the connecting plate (106). A clamp (101) for positioning the pipe material (30) is arranged on the rotary disk (113), and a die core (104) is installed at the center of the rotary disk (113); a pipe bending motor (105) and a lead screw guiding and sliding assembly (107) are arranged at the top of the connecting plate (106). The pipe bending motor (105) is used to start the lead screw slider (115) to slide along the lead screw guiding and sliding assembly (107). A follower seat (112) driven by a stripping cylinder (102) to lift is arranged on the lead screw slider (115). A stripping follower (111) is installed on the follower seat (112). A groove matching the pipe material (30) is formed on the stripping follower (111). When the rotary disk (113) rotates, the pipe material (30) is bent and deformed along the die core (104) under the guidance of the groove.

7. The automatic spiral pipe bender according to claim 6, characterized in that: A clamping cylinder (109) for driving a clamping plate (108) and a positioning head (110) for positioning the end of the pipe material (30) are fixed on the connecting plate (106). A pipe bending part (103) is arranged above the clamp (101) and is used to cooperate with the clamping plate (108) to clamp the end of the pipe material (30).

8. The automatic spiral pipe bender according to claim 6 or 7, characterized in that: The clamping component (2) includes a support frame (201) fixed on a rear panel (9), a telescopic cylinder (202) installed on the support frame (201), a receiving part (203) driven by the telescopic cylinder (202), a clamp cylinder (205) installed on the receiving part (203), and a clamp (204) driven by the clamp cylinder (205). The clamp (204) is arranged opposite to the die core (104) and is used to clamp the spiral bent pipe (31).

9. The automatic spiral pipe bender according to claim 2, wherein: A rear baffle (8) is arranged between the front panel (7) and the rear panel (9). A front baffle (6) is arranged on the other side of the front panel (7). The hopper frame (401) is fixedly connected to the front panel (7) through a hopper mounting seat (20); a material supporting cover (11) is installed on the upper end surface of the rear panel (9), and an air control box (10) is arranged in the frame (12) at the lower left side of the rear panel (9); a slot is formed on the rear baffle (8) for avoiding the ejector block (403).

10. The automatic spiral pipe bender according to claim 1, characterized in that: An electric control box (17) is arranged inside the frame (12), and the electric control box (17) is electrically connected to a control screen (16) and a three-color alarm lamp (15) at the upper right corner of the frame (12).

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