Square tube continuous punching machine capable of preventing waste blockage
By setting grooves on the bottom surface of the inner core of the square tube punching machine and installing electric push rods, the problem of waste accumulation and blockage is solved, and the smooth progress of the punching process and the improvement of product quality is achieved.
Patent Information
- Application Number
- CN202421997075.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-16
AI Technical Summary
During the continuous punching process of existing square pipe punching machines, waste materials accumulate in the inlet hole of the inner core, resulting in blockage, affecting the punching efficiency and quality.
A square tube continuous punching machine that prevents waste blockage is designed. By setting grooves on the bottom surface of the inner core and installing an electric push rod on the left side wall of the groove, the waste falling into the inlet hole is pushed open to avoid accumulation and blockage.
It effectively prevents the accumulation and blockage of waste in the inlet hole, ensures the smooth progress of the punching process, and improves the punching efficiency and product quality.
Smart Images
Figure CN222919453U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of punching equipment, in particular to a square pipe continuous punching machine for preventing waste material blockage. Background Technique
[0002] A square pipe punching machine is a mechanical device specifically used for punching holes in metal square pipes. When punching holes in a metal square pipe with an existing square pipe punching machine, an inner core is usually installed on the workbench. One end of the inner core is fixed, and the other end extends into the punching die and is suspended. Feed holes are opened on both the punching die and the inner core, and the feed hole on the inner core is vertically opposite to the feed hole on the punching die, allowing the punch to feed. When punching, the metal square pipe penetrates into the punching die and is sleeved outside the inner core. The inner core supports the metal square pipe and guides it, which can prevent the metal square pipe from deforming during punching and also prevent the metal square pipe from shifting during punching, resulting in deviation of the hole position.
[0003] When using the existing square pipe punching machine to punch holes in a metal square pipe, the waste material cut from the hole on the metal square pipe falls into the inner core's feed hole. If continuous punching is carried out, a large amount of waste material accumulates in the inner core's feed hole, causing blockage, resulting in limited downward movement of the punch during punching, easily hindering the punch from feeding, and even causing punching failure. Content of the Utility Model
[0004] The purpose of the utility model is to provide a square pipe continuous punching machine for preventing waste material blockage. A pushing mechanism is arranged inside the inner core of the punching machine to push away the waste material that has fallen into the feed hole, avoiding blockage caused by waste material accumulation, so as to solve the problems raised in the above background technique.
[0005] The utility model is realized through the following technical solutions:
[0006] A square pipe continuous punching machine for preventing waste material blockage includes a workbench, on which an inner core for supporting and guiding the square pipe is fixedly installed. A second feed hole is opened on the inner core. A groove is opened on the bottom surface of the inner core, and an electric push rod is fixedly installed on the left side wall of the groove. The electric push rod is used to push away the waste material that has fallen from the second feed hole.
[0007] Further limitation, a chamfer is opened at the left end of the inner core. When installing the square pipe, opening a chamfer at the left end of the inner core can facilitate the right end of the square pipe to be sleeved on the inner core.
[0008] Further limitation, a collection box for collecting waste material is installed on the workbench. After punching is completed, when the square pipe is withdrawn from the inner core, each waste material that has fallen into the square pipe can fall into the collection box for collection.
[0009] Further limitation: a magnet is embedded in the top surface of the workbench, and an iron plate is embedded in the bottom surface of the collection box. The iron plate is magnetically connected to the magnet. During punching, the magnetic connection between the iron plate and the magnet fixes the collection box on the workbench, ensuring the stability of the collection box on the workbench. After punching, the collection box can be removed by applying force by hand.
[0010] Further limitation: a plurality of limit marks for positioning the punching positions of the square tubes are installed at intervals on the top surface of the inner core, and the limit marks are detachable. The distance between two adjacent limit marks is equal to the distance between two punches on the square tube.
[0011] Further limitation: the limit mark includes a slider, a benchmark, a bolt and a nut; a jack is provided on the top surface of the slider, and the bottom end of the benchmark is inserted into the jack; a chute is provided on the top surface of the inner core, the slider is arranged in the chute, and the top surface of the slider is lower than the top surface of the inner core. A communication groove is provided between the bottom of the chute and the top surface of the groove. The bolt is arranged in the communication groove, and the top end of the bolt penetrates through the slider. The nut is installed at the top end of the bolt; when the nut is loosened, the slider can be moved along the chute to adjust the position of the limit mark. When the nut is tightened, the bottom surface of the slider abuts against the bottom of the chute, so as to fix the slider. By inserting the bottom end of the benchmark into the jack of the slider, the right end face of the square tube can be positioned by the benchmark. After a hole is punched on the square tube, the benchmark abutted against the right end of the square tube is pulled out, and the square tube can be pushed to the benchmark of the next limit mark.
[0012] Further limitation: a relief groove communicating with the communication groove is provided on the top surface of the groove, and the head of the bolt is stuck in the relief groove. When the nut is rotated, the bolt can be prevented from rotating under the limiting action of the relief groove on the head of the bolt, which is convenient for tightening and loosening the nut.
[0013] Further limitation: scale lines are provided on the front side or the rear side of the chute on the top surface of the inner core; when determining the fixed positions of the limit marks according to the distance between two punches on the square tube, the scale lines can facilitate measuring the distance between two adjacent limit marks, and the distance between two limit marks is equal to the distance between two punches.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] When the square tube continuous punching machine is used for punching on the square tube, the waste cut from the square tube during punching drops, falls into the groove from the second feed hole on the inner core, and lands on the inner bottom surface of the square tube. The electric push rod installed in the chute on the inner core can be used to push the waste away. During continuous punching, each waste can be pushed away from below the second feed hole, preventing waste accumulation from blocking the second feed hole and ensuring the smooth progress of punching. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0017] Figure 1 is a schematic cross-sectional structure diagram of the present invention;
[0018] Figure 2 is Figure 1 a schematic enlarged view of the partial structure at A in
[0019] Figure 3 is Figure 1 a schematic enlarged view of the partial structure at B in
[0020] Figure 4 is a schematic three-dimensional structure diagram of the inner core in the present invention;
[0021] Figure 5 is a schematic circuit diagram of the present invention.
[0022] Names of each component in the figure: 1. Workbench, 2. Square pipe, 3. Inner core, 3.1. Second feed hole, 3.2. Groove, 3.3. Slide groove, 3.4. Communication groove, 3.5. Relief groove, 4. Gantry, 5. Stamping oil cylinder, 6. Punch, 7. Die, 7.1. Square hole channel, 7.2. First feed hole, 8. Limit mark, 8.1. Slide block, 8.2. Benchmark, 8.3. Bolt, 8.4. Nut, 9. Support seat, 10. Collection box, 11. Magnet, 12. Iron plate, 13. Electric push rod, 14. Scrap, 15. Scale line. Specific Embodiments
[0023] The following will describe in detail the embodiments of the technical solutions of the present invention with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.
[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.
[0025] A continuous punching machine for square pipes that prevents waste blockage, as Figure 1As shown in the figure, it includes a workbench 1. A gantry 4 is fixedly installed on the workbench 1. A stamping oil cylinder 5 is fixedly installed on the gantry 4. The piston rod of the stamping oil cylinder 5 extends downward into the inner side of the gantry 4, and a punch 6 is fixedly installed at the bottom end of the piston rod. A punching die 7 is fixedly installed on the workbench 1 below the punch 6. A square hole 7.1 penetrating left and right is opened inside the punching die 7. A first tool feeding hole 7.2 communicating with the square hole 7.1 is opened on the top surface of the punching die 7. The stamping oil cylinder 5 can drive the punch 6 to move downward so that the punch 6 enters the first tool feeding hole 7.2 and the square hole 7.1.
[0026] An inner core 3 for supporting and guiding the square tube 2 is fixedly installed on the workbench 1. The left end of the inner core 3 is inserted into the square hole 7.1, and there is a gap for the square tube 2 to penetrate between the outer side wall of the inner core 3 and the inner side wall of the square hole 7.1. A second tool feeding hole 3.1 is opened on the inner core 3, and the second tool feeding hole 3.1 is directly below the first tool feeding hole 7.2. Specifically, a support seat 9 is fixed at the right end of the workbench 1. A flanging is integrally formed at the right end of the inner core 3, and the flanging at the right end of the inner core 3 is bolted to the support seat 9.
[0027] As Figure 5 shown, this punching machine further includes a controller, a foot switch, and an oil supply system that provides power for the stamping oil cylinder 5. The controller is a PLC controller, which is adjacent to the mains power to supply power to the equipment. The oil supply system includes a motor and an oil pump. The foot switch is used to control the piston rod of the stamping oil cylinder 5 to extend to perform punching.
[0028] The above structure is the existing structure and working principle of the existing punching machine, which will not be elaborated in this application.
[0029] As Figure 1 and Figure 2 shown, a groove 3.2 is opened on the bottom surface of the inner core 3. An electric push rod 13 is fixedly installed on the left side wall of the groove 3.2. The electric push rod 13 is used to push away the waste 14 that falls from the second tool feeding hole 3.1. The electric push rod 13 is electrically connected to the controller. When the controller controls the piston rod of the stamping oil cylinder 5 to retract, it can control the piston rod of the electric push rod 13 to extend to push away the waste 14. Specifically, the electric push rod 13 is a YSA-15 type electric push rod. Other models of electric push rods 13 can also be selected according to the size of the inner core 3, the size of the square tube 2, and the size of the punching hole waste, which are all conventional selections.
[0030] Preferably, in this embodiment, as Figure 1 and Figure 4 shown, a chamfer is opened at the left end of the inner core 3. When installing the square tube 2, the chamfer at the left end of the inner core 3 can facilitate the right end of the square tube 2 to be sleeved on the inner core 3.
[0031] Preferably, in this embodiment, as Figure 1 andFigure 2 As shown, a collection box 10 for collecting waste materials 14 is installed on the workbench 1. After punching is completed, when the square tube 2 is withdrawn from the inner core 3, the various waste materials 14 falling into the square tube 2 can fall into the collection box 10 for collection.
[0032] Preferably, in this embodiment, as Figure 1 shown, a magnet 11 is embedded in the top surface of the workbench 1, and an iron plate 12 is embedded in the bottom surface of the collection box 10. The iron plate 12 is magnetically connected to the magnet 11; during punching, the magnetic connection between the iron plate 12 and the magnet 11 fixes the collection box 10 on the workbench 1, ensuring the stability of the collection box 10 on the workbench 1. After punching is completed, the collection box 10 can be removed by applying force with the hand.
[0033] Preferably, in this embodiment, as Figures 1 to 4 shown, a plurality of limit marks 8 for positioning the punching positions of the square tube 2 are spacedly installed on the top surface of the inner core 3, and the limit marks 8 are detachable. The distance between two adjacent limit marks 8 is equal to the distance between two punch holes on the square tube 2;
[0034] Specifically, the limit mark 8 includes a slider 8.1, a benchmark 8.2, a bolt 8.3 and a nut 8.4; a jack is opened on the top surface of the slider 8.1, and the bottom end of the benchmark 8.2 is inserted into the jack; a chute 3.3 is opened on the top surface of the inner core 3, the slider 8.1 is arranged in the chute 3.3, and the top surface of the slider 8.1 is lower than the top surface of the inner core 3. A communication groove 3.4 is opened between the bottom of the chute 3.3 and the top surface of the groove 3.2. The bolt 8.3 is arranged in the communication groove 3.4, and the top end of the bolt 8.3 penetrates through the slider 8.1, and the nut 8.4 is installed at the top end of the bolt 8.3; by loosening the nut 8.4, the slider 8.1 can be moved along the chute 3.3 to adjust the position of the limit mark 8. By tightening the nut 8.4, the bottom surface of the slider 8.1 abuts against the bottom of the chute 3.3, thereby fixing the slider 8.1. By inserting the bottom end of the benchmark 8.2 into the jack of the slider 8.1, the right end face of the square tube 2 can be positioned by using the benchmark 8.2. After a hole is punched on the square tube 2, the benchmark 8.2 abutted against the right end of the square tube 2 is pulled out, and the square tube 2 can be pushed to the benchmark 8.2 of the next limit mark 8.
[0035] Preferably, in this embodiment, as Figure 2 and Figure 3 shown, a relief groove 3.5 communicating with the communication groove 3.4 is opened on the top surface of the groove 3.2, and the head of the bolt 8.3 is caught in the relief groove 3.5. When the nut 8.4 is turned, under the limiting action of the relief groove 3.5 on the head of the bolt 8.3, the bolt 8.3 can be prevented from rotating, facilitating the tightening and loosening of the nut 8.4.
[0036] Preferably, in this embodiment, as Figure 4As shown, scale lines 15 are provided on the front or rear side of the top surface chute 3.3 of the inner core 3. When determining the fixed positions of the respective limit marks 8 according to the distance between two punching holes on the square pipe 2, the scale lines 15 facilitate measuring the distance between two adjacent limit marks 8, and the distance between two limit marks 8 is equal to the distance between two punching holes.
[0037] The working principle and technical effect of this square pipe continuous punching machine are as follows:
[0038] When this square pipe continuous punching machine is used to punch holes in the square pipe 2, the right end of the square pipe 2 is inserted into the square hole 7.1 and sleeved on the inner core 3. After locking the position of the first punching hole on the square pipe 2, move the leftmost limit mark 8 on the inner core 3 so that the rod 8.2 abuts against the right end face of the square pipe 2, and tighten the nut 8.4 to lock the position of the limit mark 8. According to the distance between two adjacent punching holes on the square pipe 2, adjust the positions of other limit marks 8 on the inner core 3 so that the distance between two adjacent limit marks 8 is equal to the punching hole distance on the square pipe 2.
[0039] When punching the first hole, step on the foot switch, and the controller controls the piston rod of the punching oil cylinder 5 to extend, so that the punch 6 punches a hole. After releasing the foot switch, the piston rod of the punching oil cylinder 5 retracts, and the waste material 14 cut from the square pipe 2 falls from the second feed hole 3.1 into the groove 3.2 and lands on the inner bottom surface of the square pipe 2. The controller controls the piston rod of the electric push rod 13 to extend to push the waste material 14 and push the waste material 14 below the second feed hole 3.1 to the right to prevent the waste material 14 from accumulating and blocking the second feed hole 3.1.
[0040] After the punching of the first hole is completed, pull out the rod 8.2 that abuts against the right end of the square pipe 2. Due to the top surface of the slider 8.1 being lower than the top surface of the inner core 3, the square pipe 2 can be pushed to the right until the right end face of the square pipe 2 abuts against the rod 8.2 of the next limit mark 8 to punch the second hole, and so on to punch other holes.
[0041] After the punching of holes on the square pipe 2 is completed, since all the waste materials 14 of each hole fall into the square pipe 2, when the square pipe 2 is withdrawn to the left, under the limit of the electric push rod 13, the waste material 14 can fall into the collection box 10 for collection.
[0042] When this square pipe continuous punching machine continuously punches holes on the square pipe 2, it can use the electric push rod 13 to push away the waste material 14 to prevent the waste material 14 from accumulating and causing blockage, ensuring the smooth progress of punching.
[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.
Claims
1. A square tube continuous punching machine for preventing waste clogging, comprising a workbench (1), on which an inner core (3) for supporting and guiding a square tube (2) is fixedly mounted, and a second feed hole (3.1) is provided on the inner core (3), characterized in that: The bottom surface of the inner core (3) is provided with a groove (3.2), and the left side wall of the groove (3.2) is fixedly mounted with an electric push rod (13), which is used to push away waste (14) that falls from the second feed hole (3.1).
2. The square tube continuous punching machine for preventing waste clogging according to claim 1 is characterized in that: The left end of the inner core (3) is provided with a chamfer.
3. The square tube continuous punching machine for preventing waste clogging according to claim 1 is characterized in that: A collection box (10) for collecting waste materials (14) is installed on the workbench (1).
4. The square tube continuous punching machine for preventing waste clogging according to claim 3 is characterized in that: A magnet (11) is embedded and installed on the top surface of the workbench (1), and an iron plate (12) is embedded and installed on the bottom surface of the collection box (10), and the iron plate (12) is magnetically connected to the magnet (11).
5. The square tube continuous punching machine for preventing waste clogging according to claim 1 is characterized in that: A plurality of limit marks (8) for locating the punching positions of the square tube (2) are installed at intervals on the top surface of the inner core (3).
6. The square tube continuous punching machine for preventing waste clogging according to claim 5, characterized in that: The limit mark (8) comprises a slider (8.1), a mark rod (8.2), a bolt (8.3) and a nut (8.4); the slider (8.1) is provided with an insertion hole on the top surface, and the bottom end of the mark rod (8.2) is inserted into the insertion hole; the inner core (3) is provided with a slide groove (3.3) on the top surface, the slider (8.1) is arranged in the slide groove (3.3), and the top surface of the slider (8.1) is lower than the top surface of the inner core (3); a connecting groove (3.4) is provided between the bottom of the slide groove (3.3) and the top surface of the groove (3.2); the bolt (8.3) is arranged in the connecting groove (3.4), and the top end of the bolt (8.3) passes through the slider (8.1), and the nut (8.4) is installed on the top end of the bolt (8.3).
7. The square tube continuous punching machine for preventing waste clogging according to claim 6, characterized in that: The top surface of the groove (3.2) is provided with a clearance groove (3.5) which is in communication with the connecting groove (3.4), and the head of the bolt (8.3) is inserted into the clearance groove (3.5).
8. The square tube continuous punching machine for preventing waste clogging according to claim 6, characterized in that: A scale mark (15) is provided on the front side or the rear side of the top surface slide groove (3.3) of the inner core (3).