Section processing device and PVC (polyvinyl chloride) pipe
By designing an automated PVC pipe section processing device, which uses a grinding chamber and a vacuum cleaner to collect dust, the problems of dust dispersion and hand soreness are solved, achieving a safer and more efficient grinding process.
Patent Information
- Application Number
- CN202423251833.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing technologies, dust generated during the grinding of PVC pipe cross-sections can affect the health of workers and cause hand pain when handling the pipes.
Design a cross-section processing device, including a hollow box and a pushing mechanism, which uses a grinding chamber and a grinding disc for automated grinding, combined with a vacuum cleaner to collect dust, and uses the pushing mechanism and fixture to fix the PVC pipe to avoid direct handling by human hands.
It effectively reduces the health impact of dust, improves the cleanliness of the working environment, reduces hand fatigue, and reduces soreness caused by vibration.
Smart Images

Figure CN223876708U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the processing technical field of PVC pipe especially relates to a section processing device and PVC pipe. BACKGROUND
[0002] The main component of PVC pipe is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility. Because the cut section of the cut PVC pipe will form burrs during the processing, the cut section of the PVC pipe needs to be polished, and in the prior art, the cut section is polished by manually holding the PVC pipe. However, this polishing method has the following disadvantages: (1) the dust generated during polishing diffuses in the air and is easily inhaled by the workers; (2) the hand directly holds the PVC pipe, which can easily cause hand pain due to the vibration generated during polishing. SUMMARY
[0003] In order to overcome the shortcomings and deficiencies in the prior art, the first purpose of the utility model is to provide a section processing device, which comprises a hollow box body and a pushing mechanism. A polishing cavity is formed in the hollow box body. A polishing disc is arranged in the polishing cavity. The pushing mechanism comprises an assembly seat arranged outside the hollow box body and a polishing receiving table in sliding connection with the assembly seat. The polishing receiving table is used to fix the workpiece to be polished and can make the cut section of the workpiece to be polished face the polishing disc. A notch is formed in the polishing cavity near the pushing mechanism. When the polishing receiving table slides, it enters or exits the polishing cavity through the notch.
[0004] Optionally, the polishing receiving table comprises a sliding block and a jig. The top of the assembly seat is provided with a sliding rail along the axial direction of the polishing disc. The sliding block is in sliding connection with the assembly seat through the sliding rail. The jig comprises a base arranged on the top of the sliding block and a top cover hinged to the base. The top of the base is recessed with a first semicircular groove penetrating through both ends. The bottom of the top cover is recessed with a second semicircular groove penetrating through both ends. When the top cover is closed, the first semicircular groove and the second semicircular groove respectively act on the workpiece to be polished along the radial direction of the workpiece to be polished.
[0005] Optionally, the base is provided with an iron sheet on the side away from the hinge shaft, and the top cover is provided with a magnet capable of magnetically attracting the iron sheet on the side away from the hinge shaft.
[0006] Optionally, the inner wall of the first semicircular groove is provided with a plurality of first anti-skid protrusions, and the plurality of first anti-skid protrusions are arranged at intervals along the length direction of the base. The inner wall of the second semicircular groove is provided with a plurality of second anti-skid protrusions, and the plurality of second anti-skid protrusions are arranged at intervals along the length direction of the top cover.
[0007] Optionally, further comprising a pressing structure hung on the inner top wall of the polishing cavity, the pressing structure comprising a bearing seat and a pressing roller rotatably connected to the bearing seat, the pressing roller being capable of rolling with the top surface of the top cover when the jig enters the polishing cavity.
[0008] Optionally, further comprising a boss protruding from the inner top wall of the polishing cavity, the boss being provided with a radially sliding slot with a bottom opening, the bearing seat being slidingly fitted in the radially sliding slot, and the radially sliding slot being provided with an elastic member, the bottom end of the elastic member abutting against the bearing seat and the top end of the elastic member abutting against the inner top wall of the radially sliding slot.
[0009] Optionally, further comprising a servo motor arranged on the assembly seat and a lead screw drivingly connected to the output shaft of the servo motor, and the bottom of the sliding block being provided with a lead screw nut matched with the lead screw.
[0010] Optionally, the assembly seat is provided with a first micro photoelectric switch at one end close to the hollow box body and a second micro photoelectric switch at the other end, and the sliding block is outwardly provided with a sensing sheet at the side portion.
[0011] Optionally, further comprising a dust collector and a dust suction pipe, one end of the dust suction pipe being connected to the dust collector, and the other end of the dust suction pipe penetrating through the hollow cavity and being located in the polishing cavity.
[0012] The second object of the utility model is to provide a PVC pipe processed by the cross section processing device.
[0013] The working principle of the utility model is as follows: firstly, the PVC pipe to be polished is fixed on the polishing receiving table, then the sliding table slides towards the end close to the polishing cavity, and drives the PVC pipe to be polished on the polishing receiving table to pass through the gap and enter the polishing cavity until the cross section of the PVC pipe to be polished contacts the polishing end surface of the polishing disc, finally, the sliding table slides towards the end away from the polishing cavity, and drives the PVC pipe on the polishing receiving table to pass through the gap and exit the polishing cavity.
[0014] Compared with the prior art, the utility model has the beneficial effects that: the polishing cavity is used to collect the flying dust during polishing, which reduces the occurrence of respiratory health problems of the workers and improves the cleanliness of the working environment; the polishing receiving table is used to replace the hand holding, which avoids the hand soreness caused by the vibration during polishing, reduces the labor intensity of polishing work, and reduces the personnel input during processing. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0016] Figure 1 It is a structural schematic diagram of one of the embodiments in the present application.
[0017] Figure 2 It is a structural schematic diagram of two of the embodiments in the present application.
[0018] Figure 3 It is Figure 2 a longitudinal section schematic diagram.
[0019] Figure 4 It is a structural schematic diagram of the jig of the embodiment in the present application.
[0020] In the drawings, various reference signs represent:
[0021] 1 - hollow box, 11 - polishing cavity, 12 - polishing disc, 13 - notch, 14 - compression structure, 141 - bearing seat, 142 - compression roller, 143 - boss, 144 - radial sliding groove, 145 - elastic piece, 15 - dust collector, 16 - dust suction pipe;
[0022] 2 - pushing mechanism, 21 - assembly seat, 211 - servo motor, 212 - first micro photoelectric switch, 213 - second micro photoelectric switch, 22 - polishing receiving table, 221 - sliding block, 2211 - sensing sheet, 222 - jig, 2221 - base, 22211 - first semicircular groove, 22212 - iron sheet, 22213 - first anti-skid protrusion, 2222 - top cover, 22221 - second semicircular groove, 22222 - magnet, 22223 - second anti-skid protrusion;
[0023] 3 - PVC pipe. DETAILED DESCRIPTION
[0024] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0025] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed in a specific direction and be operated, and thus cannot be understood as limiting the utility model.
[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0027] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0028] In the embodiments, as shown in Figures 1 to 4 A cross section processing device is provided, which comprises a hollow box body 1 and a pushing mechanism 2, a polishing cavity 11 is formed in the hollow box body 1, a polishing disc 12 is arranged in the polishing cavity 11, the pushing mechanism 2 comprises an assembly seat 21 arranged outside the hollow box body 1 and a polishing receiving table 22 in sliding connection with the assembly seat 21, the polishing receiving table 22 is used for fixing a workpiece to be polished and can make the cross section of the workpiece to be polished face the polishing disc 12, a notch 13 is formed in one end of the polishing cavity 11 close to the pushing mechanism 2, and the polishing receiving table 22 enters or exits the polishing cavity 11 through the notch 13 when sliding. The working principle of the embodiment is as follows: first, the PVC pipe 3 to be polished is fixed on the polishing receiving table 22, then the sliding table slides to one end close to the polishing cavity 11 and drives the PVC pipe 3 to be polished on the polishing receiving table 22 to pass through the notch 13 and enter the polishing cavity 11, until the cross section of the PVC pipe 3 to be polished contacts the polishing end surface of the polishing disc 12, and finally the sliding table slides to one end away from the polishing cavity 11 and drives the PVC pipe 3 on the polishing receiving table 22 to pass through the notch 13 and exit the polishing cavity 11.
[0029] In the embodiment, the polishing receiving table 22 comprises a sliding block 221 and a jig 222. The top of the assembly seat 21 is provided with a sliding rail along the axial direction of the polishing disc 12. The sliding block 221 is slidably connected with the assembly seat 21 through the sliding rail. The jig 222 comprises a base 2221 provided on the top of the sliding block 221 and a top cover 222 hingedly connected with the base. The top of the base 2221 is concavely provided with a first semicircular groove 22211 penetrating through two ends. The bottom of the top cover 222 is concavely provided with a second semicircular groove 22221 penetrating through two ends. When the top cover 222 is closed, the first semicircular groove 22211 and the second semicircular groove 22221 respectively act on the workpiece to be polished along the radial direction of the workpiece to be polished. Specifically, the top of the base 2221 is provided with a hinge seat. A rotating shaft is arranged on the hinge seat. The side of the top cover 222 is outwardly provided with a connecting plate. The connecting plate is rotatably connected with the rotating shaft. The first semicircular groove 22211 is opened by turning up the top cover 222. The PVC pipe 3 to be polished is clamped into the first semicircular groove 22211 along the radial direction. The burr on the broken section of the PVC pipe 3 is avoided from scratching the jig 222. The disassembly and assembly efficiency of the PVC pipe 3 is improved. When the PVC pipe 3 is assembled, one end of the broken section of the PVC pipe 3 protrudes outwardly from the first semicircular groove 22211 along the radial direction by a distance of 5-10 mm.
[0030] In the embodiment, the base 2221 is provided with an iron sheet 22212 on the side away from the hinge shaft. The top cover 222 is provided with a magnet 22222 on the side away from the hinge seat. The magnet 22222 is magnetically attracted to the iron sheet 22212. Specifically, the top of the base 2221 is provided with a long groove. The iron sheet 22212 is embedded in the long groove and fixed at the bottom by glue. The top cover 222 is outwardly provided with a protruding plate on the side away from the hinge seat. A plurality of grooves are arranged on the protruding plate. The magnet 22222 is embedded in the grooves and fixed at the bottom by glue. The magnet 22222 is magnetically attracted to the iron sheet 22212 to provide a fastening force for the closed top cover 222. The loosening of the PVC pipe 3 is reduced.
[0031] In this embodiment, the inner wall of the first semicircular groove 22211 is provided with a plurality of first anti-slip protrusions 22213, and the plurality of first anti-slip protrusions 22213 are arranged at intervals along the length direction of the base 2221. The inner wall of the second semicircular groove 22221 is provided with a plurality of second anti-slip protrusions 22223, and the plurality of second anti-slip protrusions 22223 are arranged at intervals along the length direction of the top cover 222. Specifically, the inner wall of the first semicircular groove 22211 is provided with several first arc-shaped grooves, and the first anti-slip protrusion 22213 is an arc-shaped rubber strip. The inner end face is glued to the first arc-shaped groove, and the outer end face protrudes 2mm into the first semicircular groove 22211, which helps to increase the radial force on the PVC pipe 3 and reduce the possibility of loosening. The inner wall of the second semicircular groove 22221 is provided with several second arc-shaped grooves, and the second anti-slip protrusion 22223 is an arc-shaped rubber strip. The inner end face is glued to the second arc-shaped groove, and the outer end face protrudes 2mm into the second semicircular groove 22221, which helps to increase the radial force on the PVC pipe 3 and reduce the possibility of loosening. When the top cover 222 is closed, the first anti-slip protrusion 22213 and the second anti-slip protrusion 22223 arranged at intervals act on the surface of the PVC pipe 3, which helps to increase the axial force of the fixture 222 on the PVC pipe 3 and reduce the axial movement of the PVC pipe 3 during the grinding process.
[0032] In this embodiment, a clamping structure 14 is also included, suspended from the inner top wall of the grinding chamber 11. The clamping structure 14 includes a bearing seat 141 and a pressure roller 142 rolledly connected to the bearing seat 141. When the fixture 222 enters the grinding chamber 11, the pressure roller 142 can roll and engage with the top surface of the top cover 222. Specifically, when the fixture 222 is fed into the grinding chamber 11, the rollable pressure roller 142 provides downward pressure to the top cover 222, reducing the possibility of the top cover 222 flipping up due to vibration.
[0033] In this embodiment, a boss 143 protruding from the inner top wall of the grinding cavity 11 is also included. The boss 143 has a radial groove 144 with a bottom opening. The bearing seat 141 slides in conjunction with the radial groove 144. An elastic element 145 is provided in the radial groove 144. The bottom end of the elastic element 145 abuts against the bearing seat 141, and the top end abuts against the inner top wall of the radial groove 144. Specifically, the top wall of the radial groove 144 is provided with three guide posts. The bearing seat 141 has three guide holes at the end away from the pressure roller 142. The elastic element 145 is a spring sleeved on the guide posts. The spring buffers the vibration during the grinding process, which helps to reduce noise during processing.
[0034] In the embodiment, the assembling seat 21 is provided with a first micro photoelectric switch 212 near one end of the hollow box body 1 and a second micro photoelectric switch 213 at the other end, and the side of the sliding block 221 is outwardly provided with a sensing sheet 2211.
[0035] In the embodiment, the assembling seat 21 is provided with a first micro photoelectric switch 212 near one end of the hollow box body 1 and a second micro photoelectric switch 213 at the other end, and the side of the sliding block 221 is outwardly provided with a sensing sheet 2211. Specifically, the embodiment further comprises a driver and a processor, the first micro photoelectric switch 212 and the second micro photoelectric switch 213 are respectively electrically connected with the processor, the driver is electrically connected with the processor, the servo motor 211 is electrically connected with an external power source through the driver, the sliding block 221 slides towards one end of the hollow box body 1 until the sensing sheet 2211 passes through the first micro photoelectric switch 212, the first micro photoelectric switch 212 transmits an electrical signal to the processor, the processor transmits a control instruction to the driver, the driver controls the servo motor 211 to stop working, the sliding block 221 slides away from one end of the hollow box body 1 until the sensing sheet 2211 passes through the second micro photoelectric switch 213, the second micro photoelectric switch 213 transmits an electrical signal to the processor, the processor transmits a control instruction to the driver, and the driver controls the servo motor 211 to stop working, so as to achieve the purpose of controlling the stroke of the sliding block 221.
[0036] In the embodiment, the embodiment further comprises a dust collector 15 and a dust suction pipe 16, one end of the dust suction pipe 16 is connected with the dust collector 15, and the other end of the dust suction pipe 16 penetrates through the hollow cavity and is located in the polishing cavity 11. Specifically, the hollow box body 1 is further provided with a vertical partition plate, the partition plate can separate the inner cavity of the hollow box body 1 into a mounting cavity and the polishing cavity 11, a motor for driving the polishing disc 12 to rotate is arranged in the mounting cavity, the dust collector 15 is arranged in the mounting cavity and communicates with the polishing cavity 11 through the dust suction pipe 16, so as to achieve the purpose of sucking the dust generated during polishing.
[0037] The embodiment further provides a PVC pipe processed by the section processing device. The radial extrusion force and the axial friction force provided by the jig 222 can reduce the inclination of the section to be polished relative to the polishing end face of the polishing disc 12, and can improve the flatness of the cut of the PVC pipe.
[0038] The above merely describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A cross-section processing apparatus characterized by comprising: The utility model provides a cross section processing device, including hollow box body and push material mechanism, the hollow box body is inside and is set up with polishing cavity, is equipped with polishing disc in polishing cavity, push material mechanism includes the assembly seat of being equipped with in hollow box body outside and the polishing receiving platform of sliding connection with assembly seat, polishing receiving platform is used for fixing the workpiece of waiting for grinding and can make the cross section of workpiece of waiting for grinding towards polishing disc, polishing cavity is set up with the gap in the one end near push material mechanism, the polishing receiving platform slides in, and through the gap enters polishing cavity or exits polishing cavity.
2. An apparatus for processing a cross-section according to claim 1, characterized in that: The polishing receiving platform includes a sliding block and a jig, the top of the assembly seat is provided with a sliding rail along the axial direction of the polishing disc, the sliding block is slidingly connected with the assembly seat through the sliding rail, the jig includes a base provided on the top of the sliding block and a top cover hingedly connected with the base, the top of the base is recessed with a first semicircular groove penetrating through both ends, and the bottom of the top cover is recessed with a second semicircular groove penetrating through both ends, when the top cover is closed, the first semicircular groove and the second semicircular groove respectively act on the workpiece to be ground along the radial direction of the workpiece to be ground.
3. An apparatus for processing a cross-section according to claim 2, characterized in that: The base is provided with an iron sheet on the side away from the hinged shaft, and the top cover is provided with a magnet capable of being magnetically connected with the iron sheet on the side away from the hinged shaft.
4. An apparatus for processing a cross-section according to claim 2, characterized in that: The inner wall of the first semicircular groove is provided with a plurality of first anti-skid protrusions, and the plurality of first anti-skid protrusions are arranged along the length direction of the base, the inner wall of the second semicircular groove is provided with a plurality of second anti-skid protrusions, and the plurality of second anti-skid protrusions are arranged along the length direction of the top cover.
5. An apparatus for processing a cross-section according to claim 2, characterized in that: The utility model also includes a pressing structure suspended from the inner top wall of the polishing cavity, the pressing structure includes a bearing seat and a compression roller rotatably connected to the bearing seat, when the jig enters the polishing cavity, the compression roller can be rotatably connected with the top surface of the top cover.
6. An apparatus for processing a cross-section according to claim 5, characterized in that: The utility model also includes a boss protruding from the inner top wall of the polishing cavity, the boss is provided with a radial sliding groove with an open bottom, the bearing seat is slidingly connected with the radial sliding groove, the radial sliding groove is provided with an elastic element, the bottom end of the elastic element is abutted with the bearing seat, and the top end of the elastic element is abutted with the inner top wall of the radial sliding groove.
7. An apparatus for processing a cross-section according to claim 2, characterized in that: The utility model also includes a servo motor provided on the assembly seat and a lead screw drivingly connected with the output shaft of the servo motor, the bottom of the sliding block is provided with a lead screw nut matched with the lead screw.
8. An apparatus for processing a cross-section according to claim 7, characterized in that: The assembly seat is provided with a first micro photoelectric switch at one end close to the hollow box body and a second micro photoelectric switch at the other end, and the side of the sliding block is outwardly provided with a sensing sheet.
9. An apparatus for processing a cross-section according to claim 1, characterized in that: The utility model also includes a dust collector and a dust suction pipe, one end of the dust suction pipe is connected with the dust collector, the other end of the dust suction pipe penetrates through the hollow box body, and the end of the dust suction pipe is located in the polishing cavity.
10. A PVC pipe characterized by: The cross section processing device is processed by any one of claims 1-9. The cross section processing device is processed by any one of claims 1-9.