An automatic cutting and blanking device for automobile axle tubes

Abstract

This invention discloses an automatic cutting and blanking device for automotive axle tubes, relating to the technical field of axle tube cutting. The device includes a support and pressure slide bar, a return spring, a feed paddle, and a gearbox structure to achieve automatic and precise cutting disc feed. An electromagnet and a clamping spring combination enable rapid clamping and release of axle tubes of varying diameters. A U-shaped protective shell and a protective support cover ensure safety, and a bellows and shroud structure are used to effectively guide and purify cutting gases. This device achieves simple, safe, and reliable operation, significantly improving production efficiency and environmental protection.

Description

Technical Field

[0001] The invention relates to the technical field of axle tube cutting, in particular to an automatic cutting and blanking device for automobile axle tubes. Background Art

[0002] Traditional shaft tube cutting equipment usually produces a large amount of sparks, smoke and other harmful gases during the processing process, but these devices generally lack effective protective devices. They rely only on simple partitions or open protective covers, which cannot completely and effectively prevent the splashing and diffusion of sparks and smoke. Prolonged spark splashing can easily cause damage to the equipment and the surrounding environment, and even cause safety accidents; at the same time, harmful gases such as smoke can easily spread rapidly into the working area with the flow of air, not only polluting the workshop environment, but also seriously endangering the respiratory health of operators. Existing equipment lacks effective guidance and purification measures for smoke and gases, which requires workers to frequently wear respiratory protective equipment, increasing workers' discomfort and fatigue and reducing work efficiency. In addition, if harmful gases are not removed in a timely and effective manner, they can easily damage the accuracy of other precision equipment and parts in the workshop, affecting the overall processing quality and production efficiency. Summary of the Invention

[0003] The top of the two supporting pressing slide bars are surrounded by a reset spring, the top of the reset spring is fixed with the top of the supporting pressing slide bar, and the bottom end of the reset spring is fixed with the cutting disc feed beam to the top position of the supporting pressing slide bar; the middle of the cutting disc feed beam is fixedly installed with a cutting disc bracket, and the cutting disc is rotatably installed on the cutting disc bracket. The outer sleeve of the cutting disc is provided with a U-shaped protective shell, and a gearbox is also fixedly installed on the cutting disc feed beam. The output shaft of the gearbox is connected to the cutting disc through a transmission chain, and a feed paddle is fixedly provided on the input shaft of the gearbox.

[0004] Preferably, a support table is fixedly mounted on the top ends of the two support downward-pressing slide bars. The support table has a through-hole directly above the feed paddle. A bellows fixing frame is coaxially disposed below the through-hole. The bellows fixing frame is fixed to the outer casing of the gearbox. A bellows is connected between the bellows fixing frame and the through-hole in the feed paddle to guide the flow of air. The bellows fixing frame is fixed to the outer casing of the gearbox via a bracket rod to prevent interference with the flow of air driven by the feed paddle. That is, the feed paddle can drive air below the bellows fixing frame into the bellows.

[0005] Preferably, a protective support cover is fixedly installed between the support table and the base plate, and two supporting downward sliding rods are arranged on the inner side of the protective support cover; a guide cover is fixedly installed on the support table, and the guide cover is used to guide the gas discharged from the bellows fixing frame to a designated position, for example, the guide cover is connected to the air purification system through a pipe to realize air purification management.

[0006] Preferably, a driven pulley bracket is fixedly mounted on the support table, a driven pulley is rotatably mounted on the driven pulley bracket, and the driven pulley is coaxially arranged with the input shaft of the gearbox; a spline shaft is slidably inserted into the axial center position of the driven pulley by means of a spline, and the spline shaft is fixedly matched with the input shaft of the gearbox; a drive motor is fixedly mounted on the support table, and the drive motor and the driven pulley are connected by a transmission belt.

[0007] Preferably, a clamping platform is fixedly installed on the base plate, and four supporting components are fixedly installed on the clamping platform. Two sliding channels are symmetrically opened on the clamping platform, and positioning pins are slidably inserted into the two sliding channels. The top ends of the two positioning pins are fixedly installed on the lower pressure frame.

[0008] Preferably, electromagnets are symmetrically fixedly installed on the clamping table, and the two electromagnets are slidably sleeved with two positioning pins; the top ends of the two positioning pins are surrounded by a clamping spring, the top ends of the clamping springs are fixedly fitted with the lower pressure frame, and the bottom ends of the clamping springs are fixedly installed with a magnetic suction piece that cooperates with the magnetic force of the electromagnets; two support components are fixedly installed on the lower pressure frame.

[0009] Preferably, the support assembly includes a support arm, the support arm corresponding to the support assembly on the lower pressing frame is fixed to the lower pressing frame, and the support arm corresponding to the support assembly on the clamping platform is fixed to the clamping platform.

[0010] Preferably, a screw rod and a guide slide rod are slidably mounted in parallel on the support arm, a threaded transmission sleeve on the screw rod is provided with an adjusting nut plate, and the adjusting nut plate is rotatably embedded in the support arm.

[0011] Preferably, a clamping column bracket is fixedly mounted on the ends of the screw rod and the guide slide rod, a contact clamping column is rotatably / fixedly mounted on the clamping column bracket, and the contact clamping column is in contact with the shaft tube.

[0012] Preferably, there are six support assemblies in total, three of which form a group, and the three support assemblies in each group are arranged in a circular array equidistant at 120° from each other.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention utilizes a supporting downward pressure slide rod and a reset tension spring structure to automatically realize vertical precise feeding of the cutting disc, thereby avoiding cutting errors caused by manual or purely mechanical control in traditional devices, effectively improving the accuracy and quality of shaft tube cutting, and greatly reducing the risks brought by human operation; (2) The present invention arranges a feed blade on the input shaft of the gearbox and utilizes aerodynamic force to realize automatic feeding, which not only simplifies the overall mechanical structure, but also realizes stable downward pressure feeding without the need for an additional drive device, significantly reducing the energy consumption and maintenance cost of the equipment, and improving the equipment's economic efficiency. (3) The present invention realizes the clamping and releasing of shaft tubes of different diameters quickly and accurately by combining the support components on the clamping table and the lower pressure frame, especially by cooperating with the electromagnet and the clamping tension spring; (4) The present invention is designed with a U-shaped protective shell and a protective support cover, which can effectively isolate sparks and debris flying during the shaft tube cutting process, significantly reducing safety hazards, ensuring the safety of workers and the cleanliness of the working environment; (5) The present invention adopts a guide cover and a bellows structure to realize the automatic guidance of harmful gases generated during the cutting process and connect them to the air purification system, effectively solving the problem of environmental pollution and ensuring the health and safety of operators and the air quality of the workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the internal structure of the protective support cover of the present invention.

[0016] Figure 3 For the present invention Figure 2 Schematic diagram of the structure at point A in the middle.

[0017] Figure 4 This is a structural diagram of the cutting disc of the present invention.

[0018] Figure 5 It is a schematic diagram of the clamping table structure of the present invention.

[0019] Figure 6 For the present invention Figure 5 Schematic diagram of the structure at point B in the middle.

[0020] In the figure: 101-base plate; 102-protective support cover; 103-air deflector; 104-support table; 105-clamping table; 106-down pressure frame; 107-clamping tension spring; 108-magnetic sheet; 109-electromagnet; 110-positioning pin; 111-support arm; 112-contact clamping column; 113-clamping column bracket; 114-screw; 115-guide slide; 116-adjusting nut plate; 117-support Support and press down slide bar; 118-U-shaped protective shell; 119-cutting disc bracket; 120-transmission chain; 121-reset spring; 122-cutting disc feed beam; 123-gearbox; 124-feed blade; 125-cutting disc; 126-drive motor; 127-transmission belt; 128-spline shaft; 129-driven pulley bracket; 130-bellows fixing frame; 131-bellows; 132-driven pulley. DETAILED DESCRIPTION

[0021] The following is combined with Figures 1-6 , and further illustrate the technical solution of the present invention through specific implementation methods.

[0022] The present invention provides an automatic cutting and blanking device for automobile axle tubes, comprising a base plate 101, on which two supporting downward pressing slide bars 117 arranged perpendicular to the base plate 101 are fixedly mounted, the two supporting downward pressing slide bars 117 being symmetrical and parallel to each other, a cutting disc feed beam 122 being slidably mounted between the two supporting downward pressing slide bars 117, the top ends of the two supporting downward pressing slide bars 117 being surrounded by a reset spring 121, the top ends of the reset spring 121 being fixed to the top ends of the supporting downward pressing slide bars 117, and the bottom ends of the reset spring 121 being fixed to the cutting disc feed beam 122. The fixed and reset tension spring 121 is used to pull the cutting disc feed beam 122 to the top position of the support downward slide bar 117; a cutting disc bracket 119 is fixedly installed in the middle of the cutting disc feed beam 122, and a cutting disc 125 is rotatably installed on the cutting disc bracket 119. The outer side of the cutting disc 125 is provided with a U-shaped protective shell 118, and a gearbox 123 is also fixedly installed on the cutting disc feed beam 122. The output shaft of the gearbox 123 is connected to the cutting disc 125 through a transmission chain 120, and a feed paddle 124 is fixedly provided on the input shaft of the gearbox 123. A support table 104 is fixedly mounted on the top of the two support-pressing slide bars 117. A through-hole is provided in the support table 104, located directly above the feed paddle 124. A bellows fixing frame 130 is coaxially disposed below the through-hole. Bellows fixing frame 130 is overhead and fixed to the outer casing of the gearbox 123. A bellows 131 is connected between the bellows fixing frame 130 and the through-hole provided in the feed paddle 124 to guide the flow of air. Bellows fixing frame 130 is secured to the outer casing of the gearbox 123 via a support rod to prevent it from affecting the flow of air driven by the feed paddle 124. This means that the feed paddle 124 can drive air from below the bellows fixing frame 130 into the bellows 131. A protective support cover 102 is also fixedly installed between the support table 104 and the base plate 101, and two supporting downward sliding rods 117 are arranged on the inner side of the protective support cover 102; a guide cover 103 is fixedly installed on the support table 104, and the guide cover 103 is used to guide the gas discharged from the bellows fixing frame 130 to a designated position, for example, by connecting the guide cover 103 to the air purification system through a pipe to realize air purification management. A driven pulley bracket 129 is fixedly mounted on the support table 104, and a driven pulley 132 is rotatably mounted on the driven pulley bracket 129, and the driven pulley 132 is coaxially arranged with the input shaft of the gearbox 123; a spline shaft 128 is slidably inserted into the axial center position of the driven pulley 132 by means of a spline, and the spline shaft 128 is fixedly matched with the input shaft of the gearbox 123; a drive motor 126 is fixedly mounted on the support table 104, and the drive motor 126 and the driven pulley 132 are connected by a transmission belt 127.

[0023] A clamping platform 105 is also fixedly mounted on the base plate 101. Four support components are fixedly mounted on the clamping platform 105. Two sliding channels are symmetrically provided on the clamping platform 105. Positioning pins 110 are slidably inserted into the two sliding channels. The top ends of the two positioning pins 110 are fixedly mounted on the lower pressing frame 106. Electromagnets 109 are symmetrically fixedly mounted on the clamping platform 105. The two electromagnets 109 are slidably sleeved with the two positioning pins 110. The top ends of the two positioning pins 110 are both sleeved with clamping springs 107. The top ends of the clamping springs 107 are fixedly mounted with the lower pressing frame 106. The bottom ends of the clamping springs 107 are fixedly mounted with a magnetic attraction piece 108 that magnetically cooperates with the electromagnets 109. Two support components are fixedly mounted on the lower pressing frame 106. The support assembly includes a support arm 111. The support arm 111 corresponding to the support assembly on the lower pressing frame 106 is fixed to the lower pressing frame 106, and the support arm 111 corresponding to the support assembly on the clamping platform 105 is fixed to the clamping platform 105. A parallel screw rod 114 and a guide slide 115 are slidably mounted on the support arm 111. The threaded transmission sleeve on the screw rod 114 is provided with an adjusting nut plate 116, and the adjusting nut plate 116 is rotatably embedded and mounted on the support arm 111. A clamping column bracket 113 is fixedly mounted at the end of the screw rod 114 and the guide slide 115. A contact clamping column 112 is rotatably / fixedly mounted on the clamping column bracket 113. The contact clamping column 112 is in contact with the shaft tube. There are a total of six support assemblies, of which three support assemblies form a group, and the three support assemblies in each group are arranged in a 120° circular array with equal spacing.

[0024] The working principle of the automatic cutting and blanking device for automobile axle tubes disclosed in the present invention is as follows: the axle tube is placed in the four support assemblies on the clamping table 105, and then the two positioning pins 110 on the lower pressing frame 106 are inserted into the sliding channel on the clamping table 105. During this process, the two corresponding contact clamping columns 112 on the lower pressing frame 106 will contact the axle tube, which needs to be adjusted according to the diameter of the axle tube. Specifically, the adjusting nut plate 116 in the adjusting support assembly is adjusted. The rotation of the adjusting nut plate 116 will drive the screw rod 114 along its own axial direction, that is, drive the contact clamping column 112 on the clamping column bracket 113 to move along the radial direction of the axle tube (the amount of movement is referenced by the scale mark set on the guide slide 115), so that it can adapt to axle tubes of different diameters. In addition, a servo motor can be used to drive the adjusting nut plate 116 to rotate, so that it can be used in a fully automated scenario.

[0025] Then the electromagnet 109 is started, and the electromagnet 109 generates a magnetic force to attract the magnetic sheet 108, so that the magnetic sheet 108 contacts the electromagnet 109 (the magnetic sheet 108 is also slidably mounted on the positioning pin 110). After the magnetic sheet 108 contacts the electromagnet 109, the clamping spring 107 will be stretched (depending on the distance between the contact clamping column 112 and the support arm 111 in the two supporting components corresponding to the lower pressing frame 106). The tension of the clamping spring 107 is used to clamp the shaft tube of the lower pressing frame 106 (the two contact clamping columns 112 corresponding to the two supporting components on the lower pressing frame 106 and the four contact clamping columns 112 corresponding to the clamping platform 105 jointly realize clamping and fixation).

[0026] The shaft tube needs to be axially fed by a feeding device (for example, using a conveyor belt, friction turntable, robot arm and other equipment). When controlling the feeding of the shaft tube, the electromagnet 109 needs to be powered off so that the extrusion between the contact clamping column 112 and the shaft tube is reduced and the shaft tube is no longer clamped.

[0027] When the shaft tube moves to the required size, that is, the shaft tube moves to the bottom of the cutting disc 125, and then the drive motor 126 is started, the output shaft of the drive motor 126 drives the driven pulley 132 to rotate through the transmission belt 127, the driven pulley 132 drives the spline shaft 128 to rotate, and the spline shaft 128 drives the input shaft of the gearbox 123 to rotate, which drives the feed blade 124 to rotate, and the output shaft of the gearbox 123 drives the cutting disc 125 to rotate through the transmission chain 120, wherein the rotation of the feed blade 124 drives the air below the feed blade 124 to flow upward, thereby generating a downward thrust, which will cause the feed blade 124 to rotate. There is a low-pressure area below 124. During this process, the feed paddle 124 will drive the gearbox 123 and the cutting disc feed beam 122 to overcome the tension of the reset spring 121 and slide downward on the supporting downward pressure slide bar 117, so that the cutting disc 125 contacts the shaft tube to realize radial cutting feed of the shaft tube. The cutting disc 125 will generate sparks when cutting the shaft tube. The sparks are blocked by the U-shaped protective shell 118, and the protective support cover 102 can also block them. And because there is a low-pressure area below the feed paddle 124, the harmful gases generated during the cutting process will be discharged into the guide cover 103 through the bellows 131, and then enter the air purification system.

Claims

1. An automatic cutting and blanking device for automobile axle tubes, characterized by: The utility model comprises a base plate (101), two supporting downward pressing slide bars (117) vertically arranged with respect to the base plate (101) are fixedly installed on the base plate (101), the two supporting downward pressing slide bars (117) are symmetrically and parallelly arranged, a cutting disc feed beam (122) is slidably installed between the two supporting downward pressing slide bars (117), the top ends of the two supporting downward pressing slide bars (117) are surrounded by a reset spring (121), the top ends of the reset springs (121) are fixed to the top ends of the supporting downward pressing slide bars (117), the bottom ends of the reset springs (121) are fixed to the cutting disc feed beam (122), and the reset springs (121) are used to pull the cutting disc feed beam (122) to the top end position of the supporting downward pressing slide bars (117); A cutting disc support (119) is fixedly mounted on the middle portion of the cutting disc feed beam (122), a cutting disc (125) is rotatably mounted on the cutting disc support (119), a U-shaped protective shell (118) is provided on the outer side of the cutting disc (125), a gearbox (123) is also fixedly mounted on the cutting disc feed beam (122), an output shaft of the gearbox (123) is transmission-connected to the cutting disc (125) via a transmission chain (120), and a feed blade (124) is fixedly provided on the input shaft of the gearbox (123); A support table (104) is fixedly installed on the top of the two support downward slide bars (117), and a through hole is opened on the support table (104) directly above the feed blade (124). A bellows fixing frame (130) is coaxially arranged below the through hole. The bellows fixing frame (130) is fixed overhead on the housing of the gearbox (123), and a bellows (131) is connected between the bellows fixing frame (130) and the through hole opened on the feed blade (124) to guide the flow of air. A protective support cover (102) is fixedly installed between the support table (104) and the base plate (101), and two supporting downward pressing slide bars (117) are arranged on the inner side of the protective support cover (102); a deflector cover (103) is fixedly installed on the support table (104); a driven pulley bracket (129) is fixedly installed on the support table (104), and a driven pulley (132) is rotatably installed on the driven pulley bracket (129), and the driven pulley (132) is coaxially arranged with the input shaft of the gearbox (123); a spline shaft (128) is slidably inserted into the axis position of the driven pulley (132) in a spline manner, and the spline shaft (128) is fixedly matched with the input shaft of the gearbox (123); a drive motor (126) is fixedly installed on the support table (104), and the drive motor (126) and the driven pulley (132) are connected to each other through a transmission belt (127).

2. The automatic cutting and blanking device for automobile axle tubes according to claim 1, characterized in that: A clamping platform (105) is also fixedly mounted on the base plate (101), and four supporting components are fixedly mounted on the clamping platform (105). Two sliding channels are also symmetrically opened on the clamping platform (105), and positioning pins (110) are slidably inserted into the two sliding channels. The top ends of the two positioning pins (110) are fixedly mounted on the lower pressing frame (106).

3. The automatic cutting and blanking device for automobile axle tubes according to claim 2, characterized in that: Electromagnets (109) are symmetrically fixedly installed on the clamping table (105), and the two electromagnets (109) are slidably sleeved with two positioning pins (110); the top ends of the two positioning pins (110) are surrounded by a clamping spring (107), the top ends of the clamping springs (107) are fixedly matched with the lower pressure frame (106), and the bottom ends of the clamping springs (107) are fixedly installed with a magnetic suction piece (108) that magnetically cooperates with the electromagnets (109); two supporting components are fixedly installed on the lower pressure frame (106).

4. The automatic cutting and blanking device for automobile axle tubes according to claim 3, characterized in that: The support assembly includes a support arm (111), the support arm (111) corresponding to the support assembly on the lower pressing frame (106) is fixed to the lower pressing frame (106), and the support arm (111) corresponding to the support assembly on the clamping platform (105) is fixed to the clamping platform (105).

5. The automatic cutting and blanking device for automobile axle tubes according to claim 4, characterized in that: A screw rod (114) and a guide slide rod (115) arranged in parallel are slidably mounted on the support arm (111); a threaded transmission sleeve on the screw rod (114) is provided with an adjusting nut plate (116); and the adjusting nut plate (116) is rotatably embedded and mounted on the support arm (111).

6. The automatic cutting and blanking device for automobile axle tubes according to claim 5, characterized in that: The ends of the screw rod (114) and the guide slide rod (115) are fixedly mounted with a clamping column bracket (113), and a contact clamping column (112) is rotatably / fixedly mounted on the clamping column bracket (113), and the contact clamping column (112) is in contact with the shaft tube.

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