CN111745724A - PE pipe tightening device suitable for different pipe diameters - Google Patents
PE pipe tightening device suitable for different pipe diameters Download PDFInfo
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- CN111745724A CN111745724A CN202010657710.7A CN202010657710A CN111745724A CN 111745724 A CN111745724 A CN 111745724A CN 202010657710 A CN202010657710 A CN 202010657710A CN 111745724 A CN111745724 A CN 111745724A
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- plate
- driving
- driving plate
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- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
- B26D7/04—Means for holding or positioning work with clamping means providing adjustable clamping pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of PE pipes, and particularly relates to a PE pipe tightening device suitable for different pipe diameters, which comprises a fixing plate, a driving mechanism, a pushing track, a fixing bottom plate, an upper pressing mechanism and a lower support, wherein the clamping device can be freely moved in the using process and is convenient to use by fixing the pushing track, the upper pressing mechanism and the lower support on the fixing bottom plate; on the other hand, the designed upper pressing mechanism and the lower support ensure that five points of the PE pipe are in contact alignment with the PE pipe to clamp the PE pipe in the clamping process, so that the stability of the PE pipe in the cutting process is improved, and meanwhile, the clamping mechanism can be ensured to adapt to PE pipes with different diameters by adjusting the upper pressing mechanism; in addition, the balance mechanism and the rubber plate can ensure that the PE pipe cannot deform due to uneven stress in the clamping process of the PE pipe, so that the normal use of the PE pipe is not influenced.
Description
Technical Field
The invention belongs to the technical field of PE pipes, and particularly relates to a PE pipe tightening device suitable for different pipe diameters.
Background
PE is polyethylene plastic, the most basic plastic, plastic bags, preservative films and the like are PE, and the PE has the excellent characteristic of resisting most of domestic and industrial chemicals; in the production of the PE pipe, the PE pipe is often required to be cut into different lengths to meet different requirements, the PE pipe is required to be clamped and fixed in the cutting process to facilitate cutting, the conventional PE pipe clamping devices are mostly fixed in caliber and cannot clamp pipes with different calibers through one clamping device, a worker needs to replace the adaptive clamping device while replacing the pipe, inconvenience is brought to the operation, and the working efficiency of the worker is reduced; in addition, the deformation of the PE pipe at the stressed part is easily caused in the clamping process, and the normal use of the PE pipe is influenced.
The invention designs a PE pipe tightening device suitable for different pipe diameters to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a PE pipe tightening device suitable for different pipe diameters, which is realized by adopting the following technical scheme.
In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
The utility model provides an adapt to different pipe diameter PE pipe tightening means which characterized in that: the PE pipe pushing device comprises a fixing plate, a driving mechanism, a pushing track, a fixing base plate, an upper pressing mechanism, a lower support and a limiting mechanism, wherein the pushing track which is used for pushing a PE pipe and guiding and supporting the PE pipe is fixedly arranged on the upper side of one end of the fixing base plate, and the lower support which is used for guiding and supporting the PE pipe is fixedly arranged on the upper side of the other end of the fixing base plate; the pressing mechanism which plays a role in pressing the PE pipe in the cutting process is arranged on the upper side of the fixed bottom plate through the fixed plate; the upper pressing mechanism is positioned on the upper side of the lower support and is matched with the lower support; the driving mechanism is arranged on one side of the upper pressing mechanism and drives the upper pressing mechanism; the limiting mechanism is arranged on the upper pressing mechanism.
The upper pressing mechanism comprises a fixed shell, a fourth driving plate, a first driving plate, a second driving plate, a first fixed plate, a third driving plate and a second fixed plate, wherein the fixed shell is arranged on the fixed bottom plate through the fixed plate; the fourth driving plate is a telescopic driving plate, and a reset spring for resetting is arranged at the inner side of the fourth driving plate; the fourth driving plate is installed on the fixed shell, the upper end of the fourth driving plate is located in the fixed shell, the lower end of the fourth driving plate penetrates through the lower side face of the fixed shell and is located on the outer side of the fixed shell, and the lower side of the fourth driving plate is fixedly provided with the second fixed plate.
The mounting structures on two sides of the fourth driving plate are completely the same, for one side of the mounting structures on two sides of the fourth driving plate, the first driving plate is mounted on the fixed shell in a sliding fit mode, and the second driving plate is mounted at one end, located on the outer side of the fixed shell, of the first driving plate in a hinged mode; a third driving plate is mounted at one end, far away from the first driving plate, of the second driving plate in a hinged mode; a first fixing plate is fixedly mounted at one end, far away from the second driving plate, of the third driving plate; one end of the first fixing plate is connected with one end of the second fixing plate in a hinged mode; when the first driving plate moves downwards, the first driving plate can drive the second driving plate connected with the first driving plate to move downwards, and the second driving plate moves downwards to drive the third driving plate to move downwards; the third driving plate moves downwards to drive the first fixing plate to move downwards; since the moving speed of the two first driving plates is greater than that of the fourth driving plate, the first fixing plate swings inward relative to the second fixing plate; according to the invention, the second driving plate is mounted at one end, positioned outside the fixed shell, of the first driving plate in a hinged manner, the third driving plate is mounted at one end, far away from the first driving plate, of the second driving plate in a hinged manner, and the first driving plate, the second driving plate and the third driving plate can be prevented from interfering with the first fixing plate when the first fixing plate swings relative to the second fixing plate through hinged connection.
The driving mechanism controls the movement of the telescopic outer sleeve on the fourth driving plate; after the PE pipe is pressed, the up-and-down movement of the telescopic outer sleeve on the fourth driving plate is locked by the limiting mechanism; the telescopic outer sleeve on the fourth driving plate is locked, so that the telescopic outer sleeve on the fourth driving plate can be prevented from sliding up and down to influence the clamping of the PE pipe; the up-and-down movement of the fourth driving plate controls the up-and-down movement of the two first driving plates at two sides, and the moving speed of the two first driving plates is greater than that of the fourth driving plate.
As a further improvement of the technology, the fixed shell is hollow, a second guide opening is formed in the lower side surface of the fixed shell, and the second guide opening plays a role in guiding the telescopic inner plate on the fourth driving plate; two first guide ports which are symmetrically distributed are formed in the lower side surface of the fixed shell, the two first guide ports are located on two sides of the second guide port, and the first guide ports are used for guiding the corresponding first driving plate; the fixed shell is arranged on the fixed bottom plate through the fixed plate; the fourth driving plate consists of a telescopic outer sleeve and a telescopic inner plate, and a return spring is arranged between the telescopic inner plate and the telescopic outer sleeve; the fourth driving plate is arranged on the fixed shell, one end of the telescopic outer sleeve on the fourth driving plate is positioned in the fixed shell, and one end of the telescopic inner plate of the fourth driving plate penetrates through the second guide port on the fixed shell and is positioned outside the fixed shell; when the telescopic outer sleeve on the fourth driving plate moves downwards, the telescopic outer sleeve can drive the telescopic inner plate to move downwards through the reset spring, and the telescopic inner plate can drive the second fixing plate mounted on the telescopic outer sleeve to move downwards.
One end of the first driving plate is located in the fixed shell, and the other end of the first driving plate penetrates through a first guide port in the fixed shell and is located on the outer side of the fixed shell.
As a further improvement of the technology, the driving mechanism comprises a driving rocker, a driving gear, a first support and a fixed shaft, wherein the fixed shaft is arranged on one side of the fixed shell through the first support; the driving gear is arranged on the fixed shaft and rotates to control the movement of the telescopic outer sleeve on the fourth driving plate; the driving rocker is fixedly arranged at one end of the fixed shaft; when the driving rocker is driven to rotate, the driving rocker drives the fixed shaft to rotate, and the fixed shaft rotates to drive the driving gear to rotate.
As a further improvement of the technology, the limiting mechanism comprises a limiting telescopic mechanism and a limiting adjusting mechanism, wherein the two limiting telescopic mechanisms are symmetrically arranged on two sides of the telescopic outer sleeve on the fourth driving plate; the limiting and adjusting mechanism is arranged on the fixed shell.
Above-mentioned spacing telescopic machanism includes stopper, extrusion spring, spacing shell, inclined plane, and wherein spacing shell is installed on the flexible overcoat on the fourth drive plate, and the downside of stopper one end has the inclined plane, and the other end of stopper passes through sliding fit to be installed in spacing shell, and the stopper does not open and install the extrusion spring between the one end on inclined plane and the spacing shell medial surface.
The limiting and adjusting mechanism comprises a limiting plate, a return spring, an installation plate, an installation shell and an adjusting plate, wherein one end of the installation shell is an open end, and the installation shell is installed on the fixed shell through the open end; one side of the fixed shell is provided with two symmetrical guide square grooves; the two limiting plates are symmetrically arranged on the mounting plate, the mounting plate is arranged in the mounting shell in a sliding fit manner, and the two limiting plates penetrate through the two guide square grooves on the fixing shell to be matched with the limiting blocks in the two limiting telescopic mechanisms; one end of the adjusting plate is arranged on the mounting plate, and the other end of the adjusting plate penetrates through the mounting shell and is positioned outside the mounting shell; a plurality of return springs which are uniformly distributed are arranged between the mounting plate and the fixed shell.
When the telescopic outer sleeve on the fourth driving plate moves downwards, the telescopic outer sleeve drives the limiting telescopic mechanism arranged on the telescopic outer sleeve to move downwards, and when the lower side inclined plane of the limiting block in the limiting telescopic mechanism is contacted with the corresponding limiting plate in the limiting adjusting mechanism, the limiting block in the limiting telescopic mechanism can gradually move towards the inner side of the corresponding limiting shell; the limiting blocks continue to move downwards, when the limiting blocks are completely separated from the corresponding limiting plates, the limiting blocks can quickly move out of the limiting shell under the action of the corresponding return springs, and the upper side faces of the limiting blocks can be in contact with the lower side faces of the limiting plates; the limiting plate limits the limiting block, namely the limiting adjusting mechanism limits the fourth driving plate; after cutting is finished, the adjusting plate is manually adjusted to drive the mounting plate to move towards the side far away from the limiting block; the mounting plate drives the two limiting plates to move; when the two limiting plates are completely separated from the corresponding limiting blocks, the limiting plates limit the fourth driving plate.
As a further improvement of the technology, a square avoidance port is formed in one side face of the fixed shell, a rack is mounted on one side of the telescopic outer sleeve on the fourth driving plate, and one side of the rack penetrates through the square avoidance port in the fixed shell; one side of the rack penetrating through the fixed shell is meshed with the driving gear; when the driving gear rotates, the driving gear drives the rack to move; the rack drives the telescopic outer sleeve on the fourth driving plate to move.
As a further improvement of the present technology, both sides of the telescopic inner plate on the fourth driving plate have teeth, opposite side surfaces of the two first driving plates have teeth, a second rotating shaft is respectively installed between the fourth driving plate and the two first driving plates, a second gear is installed on the second rotating shaft, and the second gear is engaged with the corresponding teeth on the fourth driving plate; a first rotating shaft is respectively arranged between the fourth driving plate and the two first driving plates; the third gear is arranged at one end of the first rotating shaft and is meshed with the corresponding second gear; the first gear is arranged at the other end of the first rotating shaft and is meshed with the corresponding teeth on the first driving plate; the diameter of the first gear is larger than that of the third gear; the diameter of the third gear is the same as that of the second gear; the diameter of the third gear is the same as that of the second gear; when the fourth driving plate moves, the fourth driving plate drives the second gear to rotate, and the second gear rotates to drive the third gear meshed with the second gear to rotate; the third gear rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the first gear to rotate, and the first gear rotates to drive the first driving plate to move; the diameter of the first gear is larger than that of the third gear; the diameter of the third gear is the same as that of the second gear; the moving speed of the first driving plate is greater than the moving speed of the fourth driving plate.
As a further improvement of the technology, rubber plates are mounted on the lower sides of the two first fixing plates and the second fixing plate; the rubber plates are used for continuously driving the first fixing plate and the second fixing plate downwards after the rubber plates on the second fixing plate are firstly contacted with the PE pipe in the downward moving process, if the rubber plates on the two first fixing plates are not contacted with the PE pipe or not tightly clamp the PE pipe at the moment, when the rubber plates on the first fixing plate are contacted with the PE pipe and tightly clamped, the second fixing plate continuously moves downwards for a certain distance, and the PE pipe can be prevented from being interfered with the second fixing plate through the elasticity of the rubber plates so as to deform the PE pipe; because the elasticity of rubber slab, after the tight PE pipe of rubber slab clamp, at the in-process that the PE pipe cut, the shake can take place for the PE pipe, so when selecting the rubber slab, the rubber slab of selecting should guarantee that the PE pipe can not take place the shake at the in-process of cutting.
As a further improvement of the technology, the upper end of the telescopic outer sleeve is uniformly provided with a plurality of groups of square openings, one end of the telescopic inner plate is arranged in the telescopic outer sleeve in a sliding fit manner, and a plurality of groups of partition plates are uniformly arranged at one end of the telescopic inner plate, which is positioned in the telescopic outer sleeve; the isolation plate is matched with the square opening on the telescopic outer sleeve; a plurality of groups of avoiding square grooves are formed in the fixed shell, and the isolation plate is matched with the avoiding square grooves in the fixed shell; the return springs between the telescopic outer sleeves and the telescopic inner rods are respectively positioned between two isolation plates in each group of isolation plates; the function of division board is to prevent that reset spring from crooked, influencing reset spring's work.
As a further improvement of the present technique, the return spring is always in a compressed state.
As a further improvement of the present technology, the return spring is a compression spring; the compression spring is a compression spring.
Compared with the traditional PE pipe technology, the clamping device designed by the invention has the advantages that on one hand, the pushing track, the upper pressing mechanism and the lower support are all fixed on the fixed bottom plate, so that the clamping device can be freely moved in the using process, and the clamping device is convenient to use; on the other hand, the designed upper pressing mechanism and the lower support ensure that five points of the PE pipe are in contact alignment with the PE pipe to clamp the PE pipe in the clamping process, so that the stability of the PE pipe in the cutting process is improved, and meanwhile, the clamping mechanism can be ensured to adapt to PE pipes with different diameters by adjusting the upper pressing mechanism; in addition, the balance mechanism and the rubber plate can ensure that the PE pipe cannot deform due to uneven stress in the clamping process of the PE pipe, so that the normal use of the PE pipe is not influenced; in the invention, the distance of downward movement of the telescopic outer sleeve in the fourth driving plate is the same no matter the PE pipe with a larger diameter or the PE pipe with a smaller diameter, but the distance of movement of the telescopic inner plate relative to the telescopic outer sleeve is different, the distance of movement of the telescopic inner plate of the PE pipe with a larger diameter relative to the telescopic outer sleeve is larger, the compressed amount of the return spring is larger, and the pressure on the PE pipe is larger; the distance of the PE pipe telescopic inner plate with the smaller diameter relative to the telescopic outer sleeve is smaller, the compressed amount of the return spring is smaller, and the pressure on the PE pipe is smaller; and the compression resistance of the PE pipe with the larger diameter is larger than that of the PE pipe with the smaller diameter, so the clamping mechanism designed by the invention can automatically adjust the compression force according to the diameter of the PE pipe.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Figure 3 is a schematic view of a push rail installation.
Fig. 4 is a schematic view of the mounting of the pressing mechanism.
Fig. 5 is a schematic view of the cooperation of the upper pressing mechanism and the lower support.
Fig. 6 is a schematic view of the drive mechanism installation.
FIG. 7 is a fixed axle installation schematic.
Fig. 8 is a schematic view of the installation of the spacing mechanism.
Fig. 9 is a schematic structural view of the pressing mechanism.
Fig. 10 is a schematic view of the structure of the stationary case.
Fig. 11 is a schematic view of the installation of the internal structure of the stationary case.
Fig. 12 is a schematic view of a fourth drive plate and first drive plate distribution.
Fig. 13 is a schematic view of the return spring installation.
Fig. 14 is a schematic view of the first fixing plate installation.
Fig. 15 is a first gear mounting schematic.
Fig. 16 is a schematic structural view of the limiting mechanism.
Fig. 17 is an operation schematic diagram of the limiting mechanism.
Fig. 18 is a schematic structural view of a limit telescopic mechanism.
Fig. 19 is a schematic structural view of a limit adjusting mechanism.
Number designation in the figures: 1. a fixing plate; 2. a drive mechanism; 3. pushing the rail; 4. fixing the bottom plate; 5. a pressing mechanism; 6. a lower support; 7. a stationary case; 8. a fourth drive plate; 9. a limiting mechanism; 10. a rubber plate; 11. driving a rocker; 12. a drive gear; 13. a first support; 14. a guide square groove; 15. avoiding the square groove; 16. a fixed shaft; 18. a telescopic outer sleeve; 19. a separator plate; 20. a return spring; 21. a telescopic inner plate; 27. a square dodging port; 28. a first guide port; 29. a second guide port; 30. a rack; 31. a first drive plate; 32. a second drive plate; 33. a first fixing plate; 34. a third drive plate; 35. a second fixing plate; 41. a first gear; 42. a first rotating shaft; 43. a second gear; 44. a second rotating shaft; 45. a limiting telescopic mechanism; 46. a limit adjusting mechanism; 47. a limiting block; 48. a compression spring; 49. a limiting shell; 50. a bevel; 51. a limiting plate; 52. a return spring; 53. mounting a plate; 54. mounting a shell; 55. an adjusting plate; 58. a third gear.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the device comprises a fixing plate 1, a driving mechanism 2, a pushing track 3, a fixing base plate 4, an upper pressing mechanism 5, a lower support 6 and a limiting mechanism 9, wherein as shown in fig. 3, the pushing track 3 which is used for pushing a PE pipe and guiding and supporting the PE pipe is fixedly installed on the upper side of one end of the fixing base plate 4, and the lower support 6 which is used for guiding and supporting the PE pipe is fixedly installed on the upper side of the other end of the fixing base plate 4; as shown in fig. 1 and 4, an upward pressing mechanism 5 for pressing the PE pipe during the cutting process is mounted on the upper side of the fixed base plate 4 through the fixed plate 1; as shown in fig. 5, the upper pressing mechanism 5 is located on the upper side of the lower support 6, and the upper pressing mechanism 5 is matched with the lower support 6; the driving mechanism 2 is arranged at one side of the upper pressing mechanism 5, and the driving mechanism 2 drives the upper pressing mechanism 5; as shown in fig. 1, the stopper mechanism 9 is mounted on the pressing mechanism 5.
As shown in fig. 9, the pressing mechanism 5 includes a fixed housing 7, a fourth driving plate 8, a first driving plate 31, a second driving plate 32, a first fixing plate 31, a third driving plate 34, and a second fixing plate 35, wherein the fixed housing 7 is mounted on the fixed base plate 4 through the fixing plate 1 as shown in fig. 1; as shown in fig. 12, the fourth drive plate 8 is a telescopic drive plate and the inside of the fourth drive plate 8 has a return spring 20 for returning; the fourth driving plate 8 is mounted on the stationary casing 7, the upper end of the fourth driving plate 8 is positioned in the stationary casing 7, the lower end of the fourth driving plate 8 penetrates through the lower side surface of the stationary casing 7 and is positioned outside the stationary casing 7, and the second stationary plate 35 is fixedly mounted on the lower side of the fourth driving plate 8.
As shown in fig. 11 and 12, the mounting structures on both sides of the fourth driving plate 8 are identical, and for one of the mounting structures on both sides of the fourth driving plate 8, as shown in fig. 9, the first driving plate 31 is mounted on the fixed shell 7 by a sliding fit, and as shown in fig. 14, one end of the first driving plate 31, which is located outside the fixed shell 7, is mounted with the second driving plate 32 in a hinged manner; a third driving plate 34 is mounted at one end, far away from the first driving plate 31, of the second driving plate 32 in a hinged mode; one end of the third driving plate 34 far away from the second driving plate 32 is fixedly provided with a first fixing plate 31; one end of the first fixing plate 31 is connected with one end of the second fixing plate 35 in a hinged manner; when the first driving plate 31 moves downwards, the first driving plate 31 can drive the second driving plate 32 connected with the first driving plate 31 to move downwards, and the second driving plate 32 moves downwards to drive the third driving plate 34 to move downwards; the downward movement of the third driving plate 34 drives the first fixing plate 31 to move downward; since the moving speed of the two first driving plates 31 is greater than that of the fourth driving plate 8, the first fixing plate 31 swings inward with respect to the second fixing plate 35; according to the invention, the second driving plate 32 is mounted at one end of the first driving plate 31, which is positioned outside the fixed shell 7, in a hinged manner, and the third driving plate 34 is mounted at one end of the second driving plate 32, which is far away from the first driving plate 31, in a hinged manner, so that when the first fixed plate 31 swings relative to the second fixed plate 35, the first driving plate 31, the second driving plate 32 and the third driving plate 34 can be prevented from interfering with the first fixed plate 31.
The driving mechanism 2 controls the movement of the telescopic outer sleeve 18 on the fourth driving plate 8; after the PE pipe is pressed, the up-and-down movement of the telescopic outer sleeve 18 on the fourth driving plate 8 is locked by the limiting mechanism 9; the telescopic outer sleeve 18 on the fourth driving plate 8 is locked, so that the telescopic outer sleeve 18 on the fourth driving plate 8 can be prevented from sliding up and down to influence the clamping of the PE pipe; the up-and-down movement of the fourth driving plate 8 controls the up-and-down movement of the two first driving plates 31 at both sides, and the moving speed of the two first driving plates 31 is greater than that of the fourth driving plate 8.
In summary, the following steps:
the beneficial effects of the design of the invention are as follows: on one hand, the clamping device can be freely moved in the using process and is convenient to use by fixing the pushing track 3, the upper pressing mechanism 5 and the lower support 6 on the fixed bottom plate 4; on the other hand, the designed upper pressing mechanism 5 and the lower support 6 ensure that five points of the PE pipe are in contact alignment with the PE pipe to clamp the PE pipe in the clamping process, so that the stability of the PE pipe in the cutting process is improved, and meanwhile, the clamping mechanism can be ensured to be suitable for PE pipes with different diameters by adjusting the upper pressing mechanism 5; in addition, the balance mechanism and the rubber plate 10 can ensure that the PE pipe cannot deform due to uneven stress in the clamping process of the PE pipe, so that the normal use of the PE pipe is not influenced; in the invention, the distance of downward movement of the telescopic outer sleeve 18 in the fourth driving plate 8 is the same no matter the PE pipe with a larger diameter or the PE pipe with a smaller diameter, but the distance of movement of the telescopic inner plate 21 relative to the telescopic outer sleeve 18 is different, the distance of movement of the telescopic inner plate 21 of the PE pipe with a larger diameter relative to the telescopic outer sleeve 18 is larger, the compressed amount of the return spring 20 is larger, and the pressure on the PE pipe is larger; the distance of the PE pipe telescopic inner plate 21 with the smaller diameter moving relative to the telescopic outer sleeve 18 is smaller, the compressed amount of the return spring 20 is smaller, and the pressure on the PE pipe is smaller; and the compression resistance of the PE pipe with the larger diameter is larger than that of the PE pipe with the smaller diameter, so the clamping mechanism designed by the invention can automatically adjust the compression force according to the diameter of the PE pipe.
As shown in fig. 10, the stationary casing 7 is hollow, a second guide opening 29 is formed on the lower side surface of the stationary casing 7, and the second guide opening 29 is used for guiding the telescopic inner plate 21 on the fourth driving plate 8; two first guide ports 28 which are symmetrically distributed are formed in the lower side surface of the fixed shell 7, the two first guide ports 28 are located on two sides of the second guide port 29, and the first guide ports 28 are used for guiding corresponding first driving plates 31; as shown in fig. 1, the fixing case 7 is mounted on the fixing base plate 4 through the fixing plate 1; as shown in fig. 13, the fourth driving plate 8 is composed of a telescopic outer sleeve 18 and a telescopic inner plate 21, and a return spring 20 is installed between the telescopic inner plate 21 and the telescopic outer sleeve 18; as shown in fig. 9, the fourth driving plate 8 is mounted on the stationary housing 7, one end of the outer telescopic sleeve 18 on the fourth driving plate 8 is located in the stationary housing 7, and one end of the inner telescopic plate 21 of the fourth driving plate 8 passes through the second guide opening 29 on the stationary housing 7 and is located outside the stationary housing 7; when the telescopic outer sleeve 18 on the fourth driving plate 8 moves downwards, the telescopic outer sleeve 18 drives the telescopic inner plate 21 to move downwards through the return spring 20, and the telescopic inner plate 21 drives the second fixing plate 35 mounted thereon to move downwards.
As shown in fig. 11, one end of the first driving plate 31 is located inside the fixed casing 7, and the other end of the first driving plate 31 passes through the first guide opening 28 on the fixed casing 7 and is located outside the fixed casing 7.
As shown in fig. 8, the driving mechanism 2 includes a driving rocker 11, a driving gear 12, a first support 13, and a fixed shaft 16, wherein the fixed shaft 16 is mounted on one side of the fixed housing 7 through the first support 13 as shown in fig. 7; the driving gear 12 is arranged on the fixed shaft 16 and the driving gear 12 rotates to control the movement of the telescopic outer sleeve 18 on the fourth driving plate 8; as shown in fig. 6, the driving rocker 11 is fixedly installed at one end of the fixed shaft 16; when the driving rocker 11 is driven to rotate, the driving rocker 11 drives the fixed shaft 16 to rotate, and the fixed shaft 16 rotates to drive the driving gear 12 to rotate.
As shown in fig. 16 and 17, the limiting mechanism 9 includes a limiting telescoping mechanism 45 and a limiting adjusting mechanism 46, wherein two limiting telescoping mechanisms 45 are symmetrically installed on the fourth driving plate 8 at two sides of the telescoping outer sleeve 18; the limit adjusting mechanism 46 is mounted on the stationary case 7.
As shown in fig. 18, the limiting telescopic mechanism 45 includes a limiting block 47, an extrusion spring 48, a limiting shell 49 and an inclined surface 50, wherein the limiting shell 49 is installed on the telescopic outer sleeve 18 on the fourth driving plate 8, the inclined surface 50 is provided at the lower side of one end of the limiting block 47, the other end of the limiting block 47 is installed in the limiting shell 49 through sliding fit, and the extrusion spring 48 is installed between the end of the limiting block 47 not provided with the inclined surface 50 and the inner side surface of the limiting shell 49.
As shown in fig. 19, the limiting and adjusting mechanism 46 includes a limiting plate 51, a return spring 52, a mounting plate 53, a mounting shell 54, and an adjusting plate 55, wherein one end of the mounting shell 54 is an open end, and the mounting shell 54 is mounted on the fixing shell 7 through the open end; one side of the fixed shell 7 is provided with two symmetrical guide square grooves 14; the two limit plates 51 are symmetrically arranged on the mounting plate 53, the mounting plate 53 is arranged in the mounting shell 54 in a sliding fit manner, and the two limit plates 51 penetrate through the two guide square grooves 14 on the fixed shell 7 to be matched with the limit blocks 47 in the two limit telescopic mechanisms 45; one end of the adjusting plate 55 is mounted on the mounting plate 53, and the other end of the adjusting plate 55 penetrates through the mounting shell 54 and is positioned outside the mounting shell 54; a plurality of return springs 52 are installed between the mounting plate 53 and the stationary case 7 and are uniformly distributed.
When the telescopic outer sleeve 18 on the fourth driving plate 8 moves downwards, the telescopic outer sleeve 18 drives the limiting telescopic mechanism 45 mounted thereon to move downwards, and after the lower side inclined plane 50 of the limiting block 47 in the limiting telescopic mechanism 45 contacts with the corresponding limiting plate 51 in the limiting adjusting mechanism 46, the limiting block 47 in the limiting telescopic mechanism 45 gradually moves towards the inner side of the corresponding limiting shell 49; the limiting blocks 47 continue to move downwards, when the limiting blocks 47 are completely separated from the corresponding limiting plates 51, the limiting blocks 47 can be quickly moved out of the limiting shells 49 under the action of the corresponding return springs 52, and the upper side surfaces of the limiting blocks 47 can be contacted with the lower side surfaces of the limiting plates 51; the limiting plate 51 limits the limiting block 47, that is, the limiting adjusting mechanism 46 limits the fourth driving plate 8; after cutting, the adjusting plate 55 is manually adjusted, so that the adjusting plate 55 drives the mounting plate 53 to move towards the side far away from the limiting block 47; the mounting plate 53 drives the two limiting plates 51 to move; when the two limit plates 51 are completely separated from the corresponding limit blocks 47, the limit plates 51 limit the fourth driving plate 8.
A square avoidance port 27 is formed in one side surface of the fixed shell 7, a rack 30 is mounted on one side of the telescopic outer sleeve 18 on the fourth driving plate 8, and one side of the rack 30 penetrates through the square avoidance port 27 on the fixed shell 7; one side of the rack 30 penetrating through the fixed shell 7 is meshed with the driving gear 12; when the driving gear 12 rotates, the driving gear 12 drives the rack 30 to move; the rack 30 moves the telescoping outer sleeve 18 on the fourth drive plate 8.
As shown in fig. 15, the telescopic inner plate 21 of the fourth driving plate 8 has teeth on both sides thereof, the two first driving plates 31 have teeth on opposite sides thereof, a second rotating shaft 44 is respectively installed between the fourth driving plate 8 and the two first driving plates 31, a second gear 43 is installed on the second rotating shaft 44, and the second gear 43 is engaged with the corresponding teeth of the fourth driving plate 8; a first rotating shaft 42 is respectively arranged between the fourth driving plate 8 and the two first driving plates 31; the third gear 58 is installed at one end of the first rotating shaft 42, and the third gear 58 is engaged with the corresponding second gear 43; the first gear 41 is arranged at the other end of the first rotating shaft 42, and the first gear 41 is meshed with the corresponding teeth on the first driving plate 31; the diameter of the first gear 41 is larger than the diameter of the third gear 58; the diameter of the third gear 58 is the same as the diameter of the second gear 43; the diameter of the third gear 58 is the same as the diameter of the second gear 43; when the fourth driving plate 8 moves, the fourth driving plate 8 drives the second gear 43 to rotate, and the second gear 43 rotates to drive the third gear 58 engaged with the second gear to rotate; the third gear 58 rotates to drive the first rotating shaft 42 to rotate, the first rotating shaft 42 rotates to drive the first gear 41 to rotate, and the first gear 41 rotates to drive the first driving plate 31 to move; since the diameter of the first gear 41 is larger than the diameter of the third gear 58; the diameter of the third gear 58 is the same as the diameter of the second gear 43; the moving speed of the first driving plate 31 is greater than the moving speed of the fourth driving plate 8.
A plurality of groups of square openings are uniformly formed in the upper end of the telescopic outer sleeve 18, one end of a telescopic inner plate 21 is arranged in the telescopic outer sleeve 18 in a sliding fit mode, and a plurality of groups of partition plates 19 are uniformly arranged at one end, located on the telescopic outer sleeve 18, of the telescopic inner plate 21; the isolation plate 19 is matched with a square opening on the telescopic outer sleeve 18; a plurality of groups of avoiding square grooves 15 are formed in the fixed shell 7, and the isolation plate 19 is matched with the avoiding square grooves 15 in the fixed shell 7; the return spring 20 between the telescopic outer sleeve 18 and the telescopic inner rod is respectively positioned between two isolation plates 19 in each group of isolation plates 19; the function of the spacer plate 19 is to prevent the return spring 20 from bending, which affects the operation of the return spring 20.
The return spring 20 is always in a compressed state.
The return spring 52 is a compression spring; the pressing spring 48 is a compression spring.
The specific working process is as follows: when the clamping device designed by the invention is used, the PE pipe is firstly placed on the pushing track 3 and the lower support 6; then, when the driving rocker 11 is driven to rotate, the driving rocker 11 drives the fixed shaft 16 to rotate, and the fixed shaft 16 rotates to drive the driving gear 12 to rotate; the driving gear 12 drives the rack 30 to move; the rack 30 drives the telescopic outer sleeve 18 on the fourth driving plate 8 to move; the telescopic outer sleeve 18 drives the telescopic inner plate 21 to move downwards through the return spring 20, the telescopic inner plate 21 drives the second gear 43 to rotate, and the second gear 43 rotates to drive the third gear 58 meshed with the second gear to rotate; the third gear 58 rotates to drive the first rotating shaft 42 to rotate, the first rotating shaft 42 rotates to drive the first gear 41 to rotate, and the first gear 41 rotates to drive the first driving plate 31 to move downwards; when the first driving plate 31 moves downwards, the first driving plate 31 can drive the second driving plate 32 connected with the first driving plate 31 to move downwards, and the second driving plate 32 moves downwards to drive the third driving plate 34 to move downwards; the downward movement of the third driving plate 34 drives the first fixing plate 31 to move downward; since the moving speed of the two first driving plates 31 is greater than that of the fourth driving plate 8, the first fixing plate 31 swings inward with respect to the second fixing plate 35; causing the rubber plates 10 on the first fixing plate 31 and the second fixing plate 35 to clamp the PE pipe during the downward movement of the second fixing plate 35 and the swinging of the first fixing plate 31; cutting the PE pipe by a cutting mechanism such as a saw blade, controlling the limiting mechanism 9 to enable the limiting adjusting mechanism 46 to lose the constraint on the fourth driving plate 8 after the cutting is finished, controlling the driving gear 12 to rotate reversely at the moment, controlling the fourth driving plate 8 to move upwards by the rotation of the driving gear 12, controlling the first fixing plate 31 and the second fixing plate 35 to move upwards by the upward movement of the fourth driving plate 8, and enabling the PE pipe to be loosened; and then pushing the PE pipe to move for next cutting.
Claims (6)
1. The utility model provides an adapt to different pipe diameter PE pipe tightening means which characterized in that: the PE pipe pushing device comprises a fixing plate, a driving mechanism, a pushing track, a fixing base plate, an upper pressing mechanism, a lower support and a limiting mechanism, wherein the pushing track which is used for pushing a PE pipe and guiding and supporting the PE pipe is fixedly arranged on the upper side of one end of the fixing base plate, and the lower support which is used for guiding and supporting the PE pipe is fixedly arranged on the upper side of the other end of the fixing base plate; the pressing mechanism which plays a role in pressing the PE pipe in the cutting process is arranged on the upper side of the fixed bottom plate through the fixed plate; the upper pressing mechanism is positioned on the upper side of the lower support and is matched with the lower support; the driving mechanism is arranged on one side of the upper pressing mechanism and drives the upper pressing mechanism; the limiting mechanism is arranged on the upper pressing mechanism;
the upper pressing mechanism comprises a fixed shell, a fourth driving plate, a first driving plate, a second driving plate, a first fixed plate, a third driving plate and a second fixed plate, wherein the fixed shell is arranged on the fixed bottom plate through the fixed plate; the fourth driving plate is a telescopic driving plate, and a reset spring for resetting is arranged at the inner side of the fourth driving plate; the fourth driving plate is arranged on the fixed shell, the upper end of the fourth driving plate is positioned in the fixed shell, the lower end of the fourth driving plate penetrates through the lower side surface of the fixed shell and is positioned outside the fixed shell, and the lower side of the fourth driving plate is fixedly provided with a second fixed plate;
the mounting structures on two sides of the fourth driving plate are completely the same, for one side of the mounting structures on two sides of the fourth driving plate, the first driving plate is mounted on the fixed shell in a sliding fit mode, and the second driving plate is mounted at one end, located on the outer side of the fixed shell, of the first driving plate in a hinged mode; a third driving plate is mounted at one end, far away from the first driving plate, of the second driving plate in a hinged mode; a first fixing plate is fixedly mounted at one end, far away from the second driving plate, of the third driving plate; one end of the first fixing plate is connected with one end of the second fixing plate in a hinged mode;
the driving mechanism controls the movement of the telescopic outer sleeve on the fourth driving plate; after the PE pipe is pressed, the up-and-down movement of the telescopic outer sleeve on the fourth driving plate is locked by the limiting mechanism; the up-and-down movement of the fourth driving plate controls the up-and-down movement of the two first driving plates at two sides, and the moving speed of the two first driving plates is greater than that of the fourth driving plate;
a square avoidance port is formed in one side face of the fixed shell, a rack is mounted on one side of the telescopic outer sleeve on the fourth driving plate, and one side of the rack penetrates through the square avoidance port in the fixed shell; one side of the rack penetrating through the fixed shell is meshed with the driving gear;
both sides of the telescopic inner plate on the fourth driving plate are provided with teeth, the opposite side surfaces of the two first driving plates are provided with teeth, a second rotating shaft is respectively arranged between the fourth driving plate and the two first driving plates, a second gear is arranged on the second rotating shaft, and the second gear is meshed with the corresponding teeth on the fourth driving plate; a first rotating shaft is respectively arranged between the fourth driving plate and the two first driving plates; the third gear is arranged at one end of the first rotating shaft and is meshed with the corresponding second gear; the first gear is arranged at the other end of the first rotating shaft and is meshed with the corresponding teeth on the first driving plate; the diameter of the first gear is larger than that of the third gear; the diameter of the third gear is the same as that of the second gear;
rubber plates are arranged on the lower sides of the two first fixing plates and the second fixing plate;
the upper end of the telescopic outer sleeve is uniformly provided with a plurality of groups of square openings, one end of the telescopic inner plate is arranged in the telescopic outer sleeve in a sliding fit manner, and one end of the telescopic inner plate, which is positioned at the telescopic outer sleeve, is uniformly provided with a plurality of groups of partition plates; the isolation plate is matched with the square opening on the telescopic outer sleeve; a plurality of groups of avoiding square grooves are formed in the fixed shell, and the isolation plate is matched with the avoiding square grooves in the fixed shell; the return springs between the telescopic outer sleeve and the telescopic inner rod are respectively positioned between the two isolation plates in each group of isolation plates.
2. A PE pipe tightening device adapting to different pipe diameters as claimed in claim 1, wherein: the fixing shell is hollow, a second guide opening is formed in the lower side surface of the fixing shell, two first guide openings which are symmetrically distributed are formed in the lower side surface of the fixing shell, the two first guide openings are located on two sides of the second guide opening, and the fixing shell is installed on the fixing bottom plate through the fixing plate; the fourth driving plate consists of a telescopic outer sleeve and a telescopic inner plate, and a return spring is arranged between the telescopic inner plate and the telescopic outer sleeve; the fourth driving plate is arranged on the fixed shell, one end of the telescopic outer sleeve on the fourth driving plate is positioned in the fixed shell, and one end of the telescopic inner plate of the fourth driving plate penetrates through the second guide port on the fixed shell and is positioned outside the fixed shell;
one end of the first driving plate is located in the fixed shell, and the other end of the first driving plate penetrates through a first guide port in the fixed shell and is located on the outer side of the fixed shell.
3. A PE pipe tightening device adapting to different pipe diameters as claimed in claim 1, wherein: the driving mechanism comprises a driving rocker, a driving gear, a first support and a fixed shaft, wherein the fixed shaft is arranged on one side of the fixed shell through the first support; the driving gear is arranged on the fixed shaft and rotates to control the movement of the telescopic outer sleeve on the fourth driving plate; the driving rocker is fixedly arranged at one end of the fixed shaft.
4. A PE pipe tightening device adapting to different pipe diameters as claimed in claim 1, wherein: the limiting mechanisms comprise limiting telescopic mechanisms and limiting adjusting mechanisms, wherein the two limiting telescopic mechanisms are symmetrically arranged on two sides of the telescopic outer sleeve on the fourth driving plate; the limiting and adjusting mechanism is arranged on the fixed shell;
the limiting telescopic mechanism comprises a limiting block, an extrusion spring, a limiting shell and an inclined plane, wherein the limiting shell is arranged on the telescopic outer sleeve on the fourth driving plate, the lower side of one end of the limiting block is provided with the inclined plane, the other end of the limiting block is arranged in the limiting shell in a sliding fit manner, and the extrusion spring is arranged between the end of the limiting block, which is not provided with the inclined plane, and the inner side surface of the limiting shell;
the limiting and adjusting mechanism comprises a limiting plate, a return spring, an installation plate, an installation shell and an adjusting plate, wherein one end of the installation shell is an open end, and the installation shell is installed on the fixed shell through the open end; one side of the fixed shell is provided with two symmetrical guide square grooves; the two limiting plates are symmetrically arranged on the mounting plate, the mounting plate is arranged in the mounting shell in a sliding fit manner, and the two limiting plates penetrate through the two guide square grooves on the fixing shell to be matched with the limiting blocks in the two limiting telescopic mechanisms; one end of the adjusting plate is arranged on the mounting plate, and the other end of the adjusting plate penetrates through the mounting shell and is positioned outside the mounting shell; a plurality of return springs which are uniformly distributed are arranged between the mounting plate and the fixed shell.
5. A PE pipe tightening device adapting to different pipe diameters as claimed in claim 1, wherein: the return spring is always in a compressed state.
6. A PE pipe tightening device adapting to different pipe diameters as claimed in claim 4, wherein: the return spring is a compression spring; the compression spring is a compression spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010657710.7A CN111745724A (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening device suitable for different pipe diameters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010657710.7A CN111745724A (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening device suitable for different pipe diameters |
CN201910175896.XA CN109866271B (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening mechanism suitable for different pipe diameters |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910175896.XA Division CN109866271B (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening mechanism suitable for different pipe diameters |
Publications (1)
Publication Number | Publication Date |
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CN111745724A true CN111745724A (en) | 2020-10-09 |
Family
ID=66920062
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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CN201910175896.XA Active CN109866271B (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening mechanism suitable for different pipe diameters |
CN202010656956.2A Withdrawn CN111687917A (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening equipment suitable for different pipe diameters |
CN202010657710.7A Withdrawn CN111745724A (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening device suitable for different pipe diameters |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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CN201910175896.XA Active CN109866271B (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening mechanism suitable for different pipe diameters |
CN202010656956.2A Withdrawn CN111687917A (en) | 2019-03-08 | 2019-03-08 | PE pipe tightening equipment suitable for different pipe diameters |
Country Status (1)
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CN (3) | CN109866271B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114536428A (en) * | 2021-12-25 | 2022-05-27 | 泰州台和纳米科技有限公司 | Material production device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112518850B (en) * | 2020-11-05 | 2022-07-12 | 冠达星股份有限公司 | Cutting device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513524A2 (en) * | 1991-05-17 | 1992-11-19 | Georg Fischer Rohrleitungssysteme AG | Tube cutting-off device |
CN2808438Y (en) * | 2005-07-19 | 2006-08-23 | 西安重型机械研究所 | Novel steel pipe-clamping arrangement |
CN108656190A (en) * | 2018-04-19 | 2018-10-16 | 广州市加简派电子科技有限公司 | A kind of pvc pipe cutting equipment in hydraulic engineering field |
-
2019
- 2019-03-08 CN CN201910175896.XA patent/CN109866271B/en active Active
- 2019-03-08 CN CN202010656956.2A patent/CN111687917A/en not_active Withdrawn
- 2019-03-08 CN CN202010657710.7A patent/CN111745724A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513524A2 (en) * | 1991-05-17 | 1992-11-19 | Georg Fischer Rohrleitungssysteme AG | Tube cutting-off device |
CN2808438Y (en) * | 2005-07-19 | 2006-08-23 | 西安重型机械研究所 | Novel steel pipe-clamping arrangement |
CN108656190A (en) * | 2018-04-19 | 2018-10-16 | 广州市加简派电子科技有限公司 | A kind of pvc pipe cutting equipment in hydraulic engineering field |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114536428A (en) * | 2021-12-25 | 2022-05-27 | 泰州台和纳米科技有限公司 | Material production device |
CN114536428B (en) * | 2021-12-25 | 2022-12-27 | 泰州台和纳米科技有限公司 | Material production device |
Also Published As
Publication number | Publication date |
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CN111687917A (en) | 2020-09-22 |
CN109866271B (en) | 2020-08-14 |
CN109866271A (en) | 2019-06-11 |
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