Pipe double position double tool bit sawing, beveling and cutting-off machine

Abstract

The present application relates to a kind of pipe double-station double-tool-head sawing and chamfering machine tool.It solves the technical problems such as low efficiency of existing pipe processing.It includes a frame, the upper end of the frame has a horizontally arranged operating table, the operating table is provided with a placing rack assembly for placing a plurality of pipes, the operating table is provided with a pipe clamping structure for clamping and fixing each pipe at both ends respectively, the operating table is movably provided with a pipe sawing structure at one side of the pipe clamping structure at both ends and on the same side of the operating table, a pipe compound chamfering structure is movably provided at both ends of the operating table respectively, and the pipe compound chamfering structure has a plurality of pipe compound chamfering tool bits corresponding to each pipe end respectively.The advantage is that the operating table is provided with pipe sawing structure and pipe compound chamfering structure at both ends, which can process both ends of the pipe simultaneously, and does not need to clamp and send the pipe, improving the processing efficiency.

Description

Technical Field

[0001] This invention belongs to the technical field of pipe processing equipment, specifically relating to a pipe cutting and chamfering machine tool with dual stations and dual cutter heads. Background Technology

[0002] In industrial production, pipe fittings often require processing. Existing pipe fitting processing methods mostly involve cutting and chamfering one end of the pipe fitting using a CNC lathe. After processing one end, the pipe fitting needs to be manually turned around to process the other end, resulting in cumbersome processing procedures, low processing efficiency, and high labor costs. Furthermore, when processing long pipes, the loading and unloading of materials is time-consuming and labor-intensive, leading to high labor intensity and further reducing processing efficiency.

[0003] To address the shortcomings of existing technologies, people have conducted long-term explorations and proposed various solutions. For example, Chinese patent literature discloses a sawing and chamfering integrated machine and its sawing and chamfering method [202110355869.8], which includes a first frame and a second frame that are attached to and connected together. A sawing mechanism for sawing a coffin is installed on the first frame. A clamping and feeding mechanism is slidably installed on the first frame upstream of the sawing mechanism. A sawing clamping fixture is provided on the first frame below the sawing mechanism. A chamfering device driven by a first power device is slidably installed on the second frame. A bracket is also provided on the second frame. A swing-type clamping and feeding device for transferring materials between the chamfering device and the sawing clamping fixture is provided on the bracket on one side of the swing-type clamping and feeding device. A swing-type clamping and taking-out device is provided on the bracket on one side of the swing-type clamping and feeding device.

[0004] The above solution has solved the problem of low processing efficiency of existing pipe fittings to a certain extent, but the solution still has many shortcomings. For example, after the pipe fittings are cut, they need to be placed in the chamfering clamping fixture by a swing-type clamping feeding device, and the chamfering device is used to chamfer the pipe fittings. The chamfering of the pipe fittings requires clamping, which affects the processing efficiency. Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing a pipe-type dual-station, dual-blade sawing and chamfering machine.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a pipe-type dual-station dual-blade sawing and chamfering machine tool, comprising a frame, a horizontally arranged operating table at the upper end of the frame, a placement rack assembly for placing several pipe fittings on the operating table, pipe fitting clamping structures for clamping and fixing each pipe fitting at both ends of the operating table, pipe fitting sawing structures located on one side of the pipe fitting clamping structures movably arranged at both ends of the operating table and on the same side of the operating table, and pipe fitting composite chamfering structures movably arranged at both ends of the operating table, and the pipe fitting composite chamfering structure has several pipe fitting composite chamfering blades corresponding one-to-one with the ends of each pipe fitting, so that the pipe fitting composite chamfering structure can simultaneously chamfer both ends of the pipe fitting, improving the pipe fitting chamfering efficiency, and the pipe fitting composite chamfering blades can complete the chamfering of the inner or outer corners of both ends of the pipe fitting.

[0007] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the placement frame assembly includes a positioning bracket vertically mounted in the middle of the upper part of the operating table. The upper end of the positioning bracket has two positioning slots located on the same horizontal plane. An auxiliary bracket is provided on one side of the positioning bracket, and the upper end of the auxiliary bracket has two auxiliary slots. The auxiliary slots and the positioning slots are located on the same horizontal plane and correspond one-to-one. The pipe is placed in the positioning slot and can be supported by the positioning bracket. The auxiliary bracket can also support both ends of the pipe, ensuring that both ends of the pipe are on the same horizontal plane and ensuring the processing effect of both ends of the pipe.

[0008] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the operating table is equipped with a cutting slide that can reciprocate axially along the length of the operating table via a cutting sliding drive mechanism. The pipe sawing structure and the pipe clamping structure are respectively fixed on the cutting slide, and the pipe composite chamfering structure is movably mounted on the cutting slide and can reciprocate along the length of the cutting slide. The cutting slide can drive the pipe sawing structure, the pipe clamping structure, and the pipe composite chamfering structure to move synchronously, which facilitates the adjustment of the pipe sawing length and is suitable for pipes of various lengths, thus improving the practicality of processing.

[0009] In the above-mentioned pipe-type dual-station dual-blade sawing and chamfering machine, the cutting slide has a chip outlet on the side near the placement frame assembly, the pipe composite chamfering structure is located on the side of the chip outlet away from the placement frame assembly, and the pipe clamping structure and pipe sawing structure are located on the side of the chip outlet near the placement frame assembly, which facilitates the pipe composite chamfering structure to chamfer the ends of the pipe.

[0010] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the cutting sliding drive mechanism includes several slide rails axially arranged along the length of the operating table. The lower side of the cutting slide is provided with several sliders slidably connected to the slide rails. A slide drive rack is located on one side of the operating table and parallel to the slide rails. A slide drive motor is located on one side of the cutting slide, and a sliding drive gear meshing with the slide drive rack is mounted on the output shaft of the slide drive motor. A brake strip is located on the operating table between the slide rails and the slide drive rack, and one end of the brake strip is connected to a brake disc. The slide rails and sliders facilitate the sliding of the cutting slide on the operating table. The slide drive motor and slide drive gear drive the cutting slide via the slide drive rack. The brake disc slides along with the cutting slide and is mounted on the brake strip, clamping and braking the brake strip to stop the cutting slide. This ensures easy control of the cutting slide by the user and improves processing efficiency.

[0011] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, a cutting support is vertically mounted on one side of the cutting slide, and a cutting swing arm is rotatably mounted on one side of the cutting support. The pipe sawing structure is located at the end of the cutting swing arm away from the cutting support. On the other side of the cutting support, a swing arm drive cylinder is provided, which is connected to the cutting swing arm and enables the cutting swing arm to swing circumferentially above the pipe clamping structure and the pipe composite chamfering structure. The pipe sawing structure is a circular saw and includes a circular saw drive motor mounted on one side of the cutting swing arm. A circular saw blade located on the other side of the cutting swing arm is connected to the output shaft of the circular saw drive motor. The circular saw blade can cut the pipe, and the circular saw drive motor can drive the circular saw blade to rotate, ensuring the sawing effect.

[0012] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the pipe composite chamfering structure includes a chamfering slide plate movably mounted on the cutting slide. The lower side of the chamfering slide plate is provided with several chamfering slide rails axially arranged along its length. The cutting slide is provided with several chamfering sliders slidably connected to the chamfering slide rails. A chamfering drive motor is mounted on the chamfering slide plate. The number of pipe composite chamfering blades is two, and each blade is correspondingly positioned on both sides of the chip outlet with a pipe clamping structure. Each blade is connected to the chamfering drive motor. A chamfering pushing assembly is provided between the cutting slide and the chamfering slide plate, capable of driving the chamfering slide plate to reciprocate along the cutting slide axis. The chamfering drive motor controls the pipe composite chamfering blades to chamfer the pipe ends, and the chamfering pushing assembly drives the chamfering slide plate to slide on the chamfering sliders via the chamfering slide rails, facilitating adjustment of the chamfering slide plate's position. This design is suitable for processing pipes of various lengths.

[0013] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the chamfering push assembly includes a chamfering push motor mounted on the cutting slide. The output shaft of the chamfering push motor is connected to one end of the chamfering arm via a reducer. The other end of the chamfering arm is connected to one end of the chamfering forearm, and the other end of the chamfering forearm is connected to one side of the chamfering slide plate. The chamfering push motor can control the chamfering arm and the chamfering forearm to move the chamfering slide plate.

[0014] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the pipe clamping structure includes a fixture frame mounted on the cutting slide and located on the side of the chip outlet away from the composite chamfering structure of the pipe. The fixture frame is equipped with a fixture V-block having two V-grooves that correspond one-to-one with the positioning grooves. Lever cylinders are respectively mounted on both sides of the fixture frame, and the swing arms of the lever cylinders are respectively equipped with clamping blocks corresponding to the V-grooves. The pipe is placed in the V-groove and supported by the fixture V-blocks. The swing arms can be controlled by the lever cylinders to ensure faster clamping of the pipe and fix the pipe in the V-groove 42.

[0015] In the aforementioned pipe-type dual-station dual-blade sawing and chamfering machine, the operating table is provided with a protective plate on its outer periphery. An operating window is located in the middle of the side of the operating table away from the pipe sawing structure. Two baffles that slide inwards from the operating window are connected to both sides of the operating window via movable cylinders. A positioning rod that swings towards the chip outlet is connected to the side of the cutting slide near the operating window via a rotary cylinder. Chip dropping holes are provided at both ends of the operating table. Each chip dropping hole has a chip guiding slope corresponding to the chip outlet. Below the chip dropping holes is a chip cart located at the lower end of the frame and equipped with several wheels. Chips in the chip outlet fall through the chip dropping holes onto the chip guiding slope, and the chip cart collects the chips within the chip guiding slope, facilitating chip collection and cleaning by the user.

[0016] Compared with existing technologies, the advantages of this invention are:

[0017] 1. Both ends of the operating table are equipped with pipe sawing structure and pipe composite chamfering structure, which can process both ends of the pipe at the same time without clamping the pipe, thus improving processing efficiency.

[0018] 2. The cutting slide can be moved by the cutting sliding drive mechanism, which makes it easy to adjust the processing length and is suitable for processing pipes of various lengths.

[0019] 3. The chamfering push component facilitates the displacement of the composite chamfering structure toward the pipe fitting, making it easier for the composite chamfering structure to chamfer the pipe fitting and ensuring the chamfering effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the operating console in this invention.

[0022] Figure 3 This is a schematic diagram of the chamfering pushing component in this invention.

[0023] Figure 4 This is a schematic diagram of the pipe clamping structure in this invention.

[0024] Figure 5 This is a schematic diagram of the composite chamfered structure of the pipe fittings in this invention.

[0025] In the diagram: Frame 1, Control Panel 11, Guard Plate 111, Control Window 112, Movable Cylinder 113, Baffle 114, Rotary Cylinder 115, Positioning Rod 116, Chip Drop Hole 117, Chip Guide Inclined Surface 118, Chip Cart 119, Pipe Fitting 2, Placement Rack Assembly 3, Positioning Bracket 31, Positioning Slot 32, Auxiliary Bracket 33, Auxiliary Slot 34, Pipe Fitting Clamping Structure 4, Tooling Frame 41, V-Slot 42, Tooling V-Block 43, Lever Cylinder 44, Swing Arm 45, Clamping Block 46, Pipe Fitting Sawing Structure 5, Circular Saw 51, Circular Saw Drive Motor 52, Circular Saw Blade 5 3. Pipe composite chamfering structure; 6. Pipe composite chamfering cutter head; 61. Chamfering slide plate; 62. Chamfering slide rail; 63. Chamfering slider; 64. Chamfering drive motor; 65. Cutting sliding drive mechanism; 7. Slide rail; 71. Slider; 72. Slide drive rack; 73. Slide drive motor; 74. Sliding drive gear; 75. Brake bar; 76. Brake disc; 77. Cutting slide; 8. Chip outlet; 81. Cutting bracket; 82. Cutting swing arm; 83. Swing arm drive cylinder; 84. Chamfering push assembly; 9. Chamfering push motor; 91. Reducer; 92. Chamfering upper arm; 93. Chamfering lower arm; 94. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1 , Figure 2 , Figure 3 As shown, a pipe-cutting and chamfering machine with dual stations and dual cutter heads includes a frame 1. The upper end of the frame 1 has a horizontally arranged operating table 11. The operating table 11 is equipped with a placement rack assembly 3 for placing several pipe fittings 2. The placement rack assembly 3 facilitates the placement of the pipe fittings 2, improving placement efficiency. Both ends of the operating table 11 are respectively equipped with pipe fitting clamping structures 4 for clamping and fixing each pipe fitting 2. The pipe fitting clamping structures 4 facilitate the fixing of the pipe fittings 2 onto the placement rack assembly 3, ensuring clamping stability and guaranteeing the processing effect of the pipe fittings 2. Both ends of the operating table 11 are located on the same side. Pipe cutting structures 5 are movably located on one side of the pipe clamping structure 4. Pipe cutting structures 5 can cut pipe 2 and can cut both ends of pipe 2 simultaneously, improving cutting efficiency. Pipe composite chamfering structures 6 are movably located at both ends of the operating table 11. Pipe composite chamfering structures 6 have several pipe composite chamfering cutters 61 that correspond one-to-one with the ends of each pipe 2. Pipe composite chamfering structures 6 can chamfer both ends of pipe 2 simultaneously, improving chamfering efficiency. Pipe composite chamfering cutters 61 can also be used to chamfer the inner or outer corners of both ends of pipe 2.

[0028] Specifically, the placement rack assembly 3 includes a positioning bracket 31 vertically arranged in the middle of the upper part of the operating table 11. The upper part of the positioning bracket 31 is provided with two positioning grooves 32 located on the same horizontal plane. An auxiliary bracket 33 is provided on one side of the positioning bracket 31, and the upper part of the auxiliary bracket 33 is provided with two auxiliary grooves 34. The auxiliary grooves 34 and the positioning grooves 32 are located on the same horizontal plane and correspond one to one. The pipe 2 is placed in the positioning groove 32 and can be supported by the positioning bracket 31. The auxiliary bracket 33 can support both ends of the pipe 2, ensuring that both ends of the pipe 2 are on the same horizontal plane and ensuring the processing effect of both ends of the pipe 2.

[0029] The operating table 11 is equipped with a cutting slide 8 that can reciprocate axially along the length of the operating table 11 via a cutting sliding drive mechanism 7. The pipe sawing structure 5 and the pipe clamping structure 4 are respectively fixed on the cutting slide 8. The pipe composite chamfering structure 6 is movably mounted on the cutting slide 8 and can reciprocate along the length of the cutting slide 8. The cutting slide 8 can drive the pipe sawing structure 5, the pipe clamping structure 4 and the pipe composite chamfering structure 6 to move synchronously, which is convenient for adjusting the length of the pipe 2 being cut. It is suitable for pipes 2 of various lengths and improves the practicality of processing.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the cutting slide 8 has a chip outlet 81 on the side near the placement frame assembly 3. The chip outlet 81 facilitates chip removal from the pipe 2 during processing, allowing for continuous processing of the pipe 2 and effectively preventing the chips generated during processing from affecting the processing effect of the pipe 2. The pipe composite chamfering structure 6 is located on the side of the chip outlet 81 away from the placement frame assembly 3, while the pipe clamping structure 4 and the pipe sawing structure 5 are located on the side of the chip outlet 81 near the placement frame assembly 3, which facilitates the pipe composite chamfering structure 6 to chamfer the end of the pipe 2.

[0031] Furthermore, the cutting sliding drive mechanism 7 includes several slide rails 71 axially arranged along the length of the operating table 11. The lower side of the cutting slide 8 is provided with several sliders 72 slidably connected to the slide rails 71. One side of the operating table 11 is provided with a slide drive rack 73 located on one side of the slide rails 71 and parallel to the slide rails 71. One side of the cutting slide 8 is provided with a slide drive motor 74. A motor cover is provided around the slide drive motor 74 to protect it. The output shaft of the slide drive motor 74 is provided with a sliding drive gear 75 that meshes with the slide drive rack 73. The operating table 11 is provided with a sliding drive gear 75 located on the slide rails 71. A brake strip 76 is provided between the slide rail 71 and the slide drive rack 73, and one end of the brake strip 76 is provided with a brake disc 77 connected to the cutting slide 8. The slide rail 71 and the slider 72 facilitate the sliding of the cutting slide 8 on the operating table 11. The slide drive motor 74 and the slide drive gear 75 drive the cutting slide 8 to slide through the slide drive rack 73. The brake disc 77 slides on the brake strip 76 along with the cutting slide 8, and can clamp and brake the brake strip 76 to stop the cutting slide 8 from sliding. This ensures that the user can easily control the cutting slide 8 and improve processing efficiency.

[0032] The cutting slide 8 has a vertically mounted cutting bracket 82 on one side, and a rotatable cutting swing arm 83 on the other side. The cutting bracket 82 facilitates the installation and support of the cutting swing arm 83. The pipe cutting structure 5 is located at the end of the cutting swing arm 83 away from the cutting bracket 82, and the cutting swing arm 83 can control the vertical displacement of the pipe cutting structure 5 to facilitate the cutting of the pipe 2. The other side of the cutting bracket 82 has a swing arm drive cylinder 84 connected to the cutting swing arm 83, which enables the cutting swing arm 83 to swing circumferentially above the pipe clamping structure 4 and the pipe composite chamfering structure 6. The swing arm drive cylinder 84 is circumferentially arranged on the outer side. The device includes a swing arm cylinder cover to protect the swing arm drive cylinder 84. The swing arm drive cylinder 84 is connected to the cutting swing arm 83 via a swing arm reducer. The swing drive cylinder 84 controls the vertical movement of the cutting swing arm 83. The pipe cutting structure 5 is a circular saw 51 and includes a circular saw drive motor 52 located on one side of the cutting swing arm 83. A circular saw blade 53 located on the other side of the cutting swing arm 83 is connected to the output shaft of the circular saw drive motor 52. The circular saw blade 53 can cut the pipe 2, and the circular saw drive motor 52 can drive the circular saw blade 53 to rotate, ensuring the cutting effect.

[0033] Combination Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the composite chamfering structure 6 for pipe fittings includes a chamfering slide plate 62 movably mounted on the cutting slide table 8. Several chamfering slide rails 63 are axially arranged along the length of the chamfering slide plate 62 on its lower side. Several chamfering sliders 64 are slidably connected to the chamfering slide rails 63 on the cutting slide table 8. A chamfering drive motor 65 is mounted on the chamfering slide plate 62. The composite chamfering cutter head 61 for pipe fittings is two in number, and each of the composite chamfering cutter heads 61 is respectively positioned on both sides of the chip outlet 81 in a one-to-one correspondence with the pipe fitting clamping structure 4. The chamfering cutter head 61 is connected to the chamfering drive motor 65. A chamfering push assembly 9 is provided between the cutting slide table 8 and the chamfering slide plate 62, which can drive the chamfering slide plate 62 to slide back and forth along the axis of the cutting slide table 8. The chamfering drive motor 65 can control the composite chamfering cutter head 61 to chamfer the end of the pipe 2. The chamfering push assembly 9 can drive the chamfering slide plate 62 to slide on the chamfering slider 64 through the chamfering slide rail 63, which is convenient for adjusting the position of the chamfering slide plate 62 and is suitable for processing pipes 2 of various lengths.

[0034] The chamfering push assembly 9 includes a chamfering push motor 91 mounted on the cutting slide table 8. The output shaft of the chamfering push motor 91 is connected to one end of the chamfering arm 93 via a reducer 92. The other end of the chamfering arm 93 is connected to one end of the chamfering arm 94, and the other end of the chamfering arm 94 is connected to one side of the chamfering slide plate 62. The chamfering push motor 91 can control the chamfering arm 93 and the chamfering arm 94 to drive the chamfering slide plate 62 to move.

[0035] Specifically, the pipe clamping structure 4 includes a tooling frame 41 set on the cutting slide 8 and located on the side of the chip outlet 81 away from the pipe composite chamfering structure 6. The tooling frame 41 is provided with tooling V blocks 43 having two V-shaped grooves 42 that correspond one-to-one with the positioning grooves 32. Lever cylinders 44 are provided on both sides of the tooling frame 41, and the swing arms 45 of the lever cylinders 44 are respectively provided with clamping blocks 46 that are opposite to the V-shaped grooves 42. The pipe 2 is set in the V-shaped grooves 42 and is supported by the tooling V blocks 43. The lever cylinders 44 can control the swing arms 45 to ensure the clamping effect of the speed 46 on the pipe 2, so that the pipe 2 is fixedly set in the V-shaped grooves 42.

[0036] Combination Figure 1 , Figure 2 , Figure 3As shown, the operating table 11 is equipped with a protective plate 111 on its outer perimeter, which provides protection for the operator. An operating window 112 is located in the middle of the side of the operating table 11 away from the pipe sawing structure 5. Inside the operating window 112 is an operating box located on one side of the operating table 11, extending beyond the protective plate 111 and positioned in the middle of the operating table 11. The user can easily control the operating box through the operating window 112. On both sides of the operating window 112, movable cylinders 113 connect baffles 114 that slide inwards towards the inside of the operating window 112. The baffles 114 are made of acrylic material, and the movable cylinders 113 control their sliding displacement to ensure effective protection against debris. On the side of the cutting slide 8 near the operating window 112, a rotary cylinder 115 connects to a device that... The positioning rod 116 of the chip outlet 81 swings, which can position the sawing position of the pipe 2 to ensure the sawing effect. The operating table 11 is equipped with control buttons on the side away from the control box to control the cutting slides 8 at both ends. The control buttons are equipped with an emergency stop button connected to the brake disc control, and a start button to control the operation of the cutting slides 8 is located next to the emergency stop button. Chip dropping holes 117 are provided at both ends of the operating table 11. Chip dropping holes 117 have chip guiding slopes 118 corresponding to the chip outlet 81. Below the chip dropping holes 117, there is a chip cart 119 with several wheels located at the lower end of the frame 1. The chips in the chip outlet 81 fall onto the chip guiding slopes 118 through the chip dropping holes 117, and the chip cart 119 can collect the chips in the chip guiding slopes 118, which is convenient for users to collect and clean the chips.

[0037] The principle of this embodiment is as follows: the pipe fitting 2 is placed in the operating table 11 by the placement frame assembly 3, and both ends of the pipe fitting 2 are clamped by the pipe fitting clamping structure 4. The positioning rod 116 determines the sawing position of the pipe fitting 2. The swing arm drive cylinder 84 controls the cutting swing arm 83 to drive the pipe fitting sawing structure 5 to move downward and saw the pipe fitting 2 through the pipe fitting sawing structure 5. After sawing, the cutting swing arm 83 controls the pipe fitting sawing structure 5 to rise. The pipe fitting composite chamfering structure 6 slides toward the end of the pipe fitting 2 through the chamfering push assembly 9 and simultaneously chamfers both ends of the pipe fitting 2 to ensure chamfering efficiency. After chamfering is completed, the chamfering push assembly 9 controls the pipe fitting composite chamfering structure 6 to reset, open the pipe fitting clamping structure 4, and complete the processing of the pipe fitting 2.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

[0039] Although this paper extensively uses the following components: frame 1, operating table 11, guard plate 111, operating window 112, movable cylinder 113, baffle 114, rotary cylinder 115, positioning rod 116, chip drop hole 117, chip guide ramp 118, chip cart 119, pipe fitting 2, placement rack assembly 3, positioning bracket 31, positioning groove 32, auxiliary bracket 33, auxiliary groove 34, pipe fitting clamping structure 4, tooling frame 41, V-groove 42, tooling V-block 43, lever cylinder 44, swing arm 45, clamping block 46, pipe fitting sawing structure 5, circular saw 51, circular saw drive motor 52, circular saw blade 53, pipe fitting composite chamfering structure 6 The terminology used includes: composite chamfering cutter head 61, chamfering slide plate 62, chamfering slide rail 63, chamfering slider 64, chamfering drive motor 65, cutting sliding drive mechanism 7, slide rail 71, slider 72, slide drive rack 73, slide drive motor 74, sliding drive gear 75, brake pad 76, brake disc 77, cutting slide 8, chip outlet 81, cutting bracket 82, cutting swing arm 83, swing arm drive cylinder 84, horizontal sliding drive mechanism 9, chamfering push assembly 9, chamfering push motor 91, reducer 92, chamfering upper arm 93, chamfering lower arm 94, etc., but the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the invention; interpreting them as any additional limitation would contradict the spirit of the invention.

Claims

1. A pipe sawing and chamfering machine with dual stations and dual cutter heads, comprising a frame (1), wherein the upper end of the frame (1) has a horizontally arranged operating table (11), characterized in that, The operating table (11) is provided with a placement rack assembly (3) for placing several pipe fittings (2). At both ends of the operating table (11) are respectively provided pipe fitting clamping structures (4) for clamping and fixing each pipe fitting (2). At both ends of the operating table (11) and on the same side of the operating table (11), pipe fitting sawing structures (5) located on one side of the pipe fitting clamping structures (4) are respectively movably provided. At both ends of the operating table (11) are respectively provided pipe fitting composite chamfering structures (6), and the pipe fitting composite chamfering structure (6) has several pipe fittings that correspond one-to-one with the ends of each pipe fitting (2). The composite chamfering cutter head (61) includes a placement rack assembly (3) comprising a positioning bracket (31) vertically positioned at the upper center of the operating table (11). The positioning bracket (31) has two positioning slots (32) on the same horizontal plane at its upper end. An auxiliary bracket (33) is provided on one side of the positioning bracket (31), and the auxiliary bracket (33) has two auxiliary slots (34) on its upper end. The auxiliary slots (34) and positioning slots (32) are on the same horizontal plane and correspond one-to-one. The operating table (11) is equipped with a cutting sliding drive mechanism (7) that allows the cutting to slide along the operating surface. The cutting slide (8) moves axially back and forth along the length of the platform (11). The pipe sawing structure (5) and the pipe clamping structure (4) are respectively fixed on the cutting slide (8). The pipe composite chamfering structure (6) is movably arranged on the cutting slide (8) and can move back and forth along the length of the cutting slide (8). The cutting sliding drive mechanism (7) includes several slide rails (71) arranged axially along the length of the platform (11). The lower side of the cutting slide (8) is provided with several sliders (72) that are slidably connected to the slide rails (71). The platform (11) 11) A slide drive rack (73) is provided on one side of the slide rail (71) and is parallel to the slide rail (71). A slide drive motor (74) is provided on one side of the cutting slide (8). A sliding drive gear (75) meshing with the slide drive rack (73) is provided on the output shaft of the slide drive motor (74). A brake bar (76) is provided on the operating table (11) between the slide rail (71) and the slide drive rack (73). A brake disc (77) connected to the cutting slide (8) is provided at one end of the brake bar (76).

2. The pipe-type dual-station double-blade sawing and chamfering machine tool according to claim 1, characterized in that, The cutting slide (8) has a chip outlet (81) on the side near the placement rack assembly (3), the pipe composite chamfering structure (6) is located on the side of the chip outlet (81) away from the placement rack assembly (3), and the pipe clamping structure (4) and the pipe sawing structure (5) are located on the side of the chip outlet (81) near the placement rack assembly (3).

3. The pipe-type dual-station double-blade sawing and chamfering machine tool according to claim 2, characterized in that, The cutting slide (8) is vertically provided with a cutting bracket (82) on one side, and a cutting swing arm (83) is rotatably provided on one side of the cutting bracket (82). The pipe sawing structure (5) is provided at one end of the cutting swing arm (83) away from the cutting bracket (82). The other side of the cutting bracket (82) is provided with a swing arm drive cylinder (84) connected to the cutting swing arm (83) and capable of circumferentially swinging the cutting swing arm (83) above the pipe clamping structure (4) and the pipe composite chamfering structure (6). The pipe sawing structure (5) is a circular saw (51) and the pipe sawing structure (5) includes a circular saw drive motor (52) provided on one side of the cutting swing arm (83). A circular saw blade (53) located on the other side of the cutting swing arm (83) is connected to the output shaft of the circular saw drive motor (52).

4. A pipe-type dual-station double-head sawing and chamfering machine tool according to claim 2, characterized in that, The composite chamfering structure (6) of the pipe fitting includes a chamfering slide plate (62) movably mounted on the cutting slide (8). The lower side of the chamfering slide plate (62) is provided with several chamfering slide rails (63) axially arranged along the length direction of the chamfering slide plate (62). The cutting slide (8) is provided with several chamfering sliders (64) slidably connected to the chamfering slide rails (63). The chamfering slide plate (62) is provided with a chamfering drive motor (65). The number of composite chamfering cutters (61) of the pipe fitting is two, and the composite chamfering cutters (61) of the pipe fitting are respectively arranged on both sides of the chip outlet (81) in a one-to-one correspondence with the pipe fitting clamping structure (4). The composite chamfering cutters (61) of the pipe fitting are respectively connected to the chamfering drive motor (65). A chamfering pushing assembly (9) that can drive the chamfering slide plate (62) to slide back and forth along the axial direction of the cutting slide (8) is provided between the cutting slide (8) and the chamfering slide plate (62).

5. A pipe-type dual-station double-blade sawing and chamfering machine tool according to claim 4, characterized in that, The chamfering push assembly (9) includes a chamfering push motor (91) mounted on the cutting slide (8). The output shaft of the chamfering push motor (91) is connected to one end of the chamfering arm (93) via a reducer (92). The other end of the chamfering arm (93) is connected to one end of the chamfering arm (94), and the other end of the chamfering arm (94) is connected to one side of the chamfering slide plate (62).

6. A pipe-type dual-station double-blade sawing and chamfering machine tool according to claim 2, characterized in that, The pipe clamping structure (4) includes a tooling frame (41) set on the cutting slide (8) and located on the side away from the pipe composite chamfering structure (6) at the chip outlet (81). The tooling frame (41) is provided with two tooling V blocks (43) having two V-shaped grooves (42) respectively corresponding to the positioning groove (32). Lever cylinders (44) are provided on both sides of the tooling frame (41), and the swing arm (45) of the lever cylinder (44) is provided with clamping blocks (46) corresponding to the V-shaped grooves (42).

7. A pipe-type dual-station double-blade sawing and chamfering machine tool according to claim 2, characterized in that, The operating table (11) is provided with a guard plate (111) on the outer periphery. An operating window (112) is provided in the middle of the side of the operating table (11) away from the pipe sawing structure (5). The two sides of the operating window (112) are connected by a movable cylinder (113) to a baffle (114) that slides toward the inside of the operating window (112). On the side of the cutting slide (8) near the operating window (112), a positioning rod (116) that can swing toward the chip outlet (81) is connected by a rotary cylinder (115). The two ends of the operating table (11) are provided with chip dropping holes (117). The chip dropping holes (117) have a chip guiding slope (118) corresponding to the chip outlet (81). Below the chip dropping holes (117) is a chip cart (119) located at the lower end of the frame (1) and having several wheels.

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