CN110239066B

CN110239066B - Pressing tool for improving smoothness of inner surface and outer surface of PE pipe

Info

Publication number: CN110239066B
Application number: CN201910589059.1A
Authority: CN
Inventors: 袁誉坤; 陈春
Original assignee: Hubei Huanya Plastic Technology Co ltd
Current assignee: Hubei Huanya Plastic Technology Co ltd
Priority date: 2019-05-09
Filing date: 2019-07-02
Publication date: 2021-03-26
Anticipated expiration: 2039-07-02
Also published as: CN110239066A

Abstract

The invention discloses a pressing tool for improving the smoothness of the inner surface and the outer surface of a PE pipe, which comprises a workbench, two pressing support tables, two protection mechanisms, a pressing driving mechanism, pressing idler wheels and a bearing assembly, wherein the two opposite sides of the top of the workbench are fixedly provided with first supports, the two first supports are provided with two pressing support tables, the workbench between the two first supports is fixedly provided with the pressing support tables, the pressing support tables are fixedly provided with pressing fixed molds, the first supports at the tops of the pressing support tables are movably provided with the protection mechanisms, the tops of the protection mechanisms are provided with pressing movable molds, the tops of the pressing movable molds are provided with the pressing driving mechanism, and the pressing movable molds comprise driven plates, mounting plates and pressing idler wheels, so that the pressing tool: the PE pipe bending press is simple and reasonable in structure, improves the smoothness of the PE pipe bending press, ensures the quality of products pressed by the PE pipe, prevents pressing scratches, improves the ductility of the PE pipe by heating, is convenient to press the PE pipe, and is higher in practicability.

Description

Pressing tool for improving smoothness of inner surface and outer surface of PE pipe

The technical field is as follows:

the invention belongs to the technical field of PE pipe pressing, and particularly relates to a pressing tool for improving the smoothness of the inner surface and the outer surface of a PE pipe.

Background art:

PE is polyethylene plastic, the most basic plastic, plastic bags, preservative films and the like are PE, HDPE is a non-polar thermoplastic resin with high crystallinity, the appearance of the original HDPE is milky, when the micro-thin section is semitransparent to a certain degree, PE has excellent characteristic of resisting most of domestic and industrial chemicals, when the PE pipe is pressed and processed by a bent pipe, the hydraulic cylinder drives the pressing roller on the pressing die to move downwards, so that the pressing roller directly acts on the PE pipe of the pressing fixed die to deform and press the PE pipe, but when the bent pipe is pressed, the pressing wheel rolls on the surface of the PE pipe, so that the PE pipe is easy to scratch, and the ductility of the PE pipe is poorer when the PE pipe is pressed at normal temperature, the probability of scratches is further increased, the smoothness of the inner surface and the outer surface of the PE pipe after the PE pipe is bent and pressed is influenced, therefore, the invention provides a pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe to solve the problems.

The invention content is as follows:

the invention aims to solve the problems and provide a pressing tool for improving the smoothness of the inner surface and the outer surface of a PE pipe, so that the defects in the prior art are overcome.

In order to solve the above problems, the present invention provides a technical solution:

a pressing tool for improving smoothness of the inner surface and the outer surface of a PE pipe comprises a workbench, two pressing support tables, two protection mechanisms, two pressing driving mechanisms, pressing idler wheels and a bearing assembly, wherein the two opposite sides of the top of the workbench are fixedly provided with first supports, the two first supports are fixedly provided with the two pressing support tables, the workbench between the first supports is fixedly provided with a pressing fixed die, the first support at the top of the pressing support tables is movably provided with the protection mechanisms, the top of each protection mechanism is provided with a pressing movable die, the top of each pressing movable die is provided with the pressing driving mechanism, each pressing movable die comprises a driven plate, a mounting plate and the pressing idler wheels, the top of each driven plate is fixedly connected with the pressing driving mechanisms, the driven plate on one opposite side of each pressing driving mechanism is provided with the pressing idler wheels through the mounting plate in a, the pressing idler wheel is provided with a plurality of pressing idler wheels, the pressing idler wheel is highly arranged in an arc-shaped structure, the pressing idler wheel is two, a bearing plate is fixedly arranged at one end, away from the workbench, of the first support, a through hole is formed in the bearing plate, and a bearing assembly is slidably arranged on the two first supports between the protection mechanism and the workbench.

As a preferred technical scheme of the invention, the protection mechanism comprises a protection pad, a movable plate and a sliding sleeve, the protection pad is arranged in an arc structure, the movable plate is fixedly arranged at two opposite ends of the protection pad, the movable plate is provided with the sliding sleeve, the sliding sleeve is sleeved on a first bracket, the protection pad is slidably arranged between a pressing fixed die and a pressing movable die through the movable plate, the protection pad comprises a heating pad, a heat conduction layer, a wear-resistant layer and an electric heating wire, one side of the heating pad close to the pressing fixed die is fixedly provided with the heat conduction layer, one side of the heating pad close to the pressing movable die is fixedly provided with the wear-resistant layer, the pressing fixed die comprises a fixed die plate fixedly arranged at the top of a pressing support platform, the fixed die plate is arranged in an arc structure, the radian of the fixed die plate corresponds to the radian of the, the utility model discloses a mould, including the die cavity, the fixed bolster is provided with the heating layer, the inside fixed mounting of fixed bolster has the electric heating wire, the electric heating wire adopts wave structure setting, one side fixed mounting of first support has the pneumatic cylinder, and the pneumatic cylinder is provided with two, and the pneumatic cylinder passes through hydraulic stem drive movable plate and slides on first support.

As a preferred technical scheme of the invention, the pressing driving mechanism comprises a second bracket, a motor, a master gear, slave gears, threaded rods, a lifting plate and a lifting rod, the second bracket is fixedly arranged at the top of the bearing plate, the second bracket is arranged in a U-shaped structure, the motor is fixedly arranged at one side of the second bracket far away from the bearing plate, the motor adopts a positive and negative motor, the output end of the motor is in transmission connection with a speed reducer through a coupler, the output end of the speed reducer is in transmission connection with the master gear through the coupler, the master gear is engaged with the slave gears, the slave gears are provided with two, the two slave gears are symmetrically arranged, the threaded rods are fixedly arranged on the two slave gears, two threaded rods are arranged, one ends of the two threaded rods far away from the slave gears are rotatably arranged with the bearing plate, the lifting plate is sleeved on the two threaded rods, the bottom fixed mounting of lifter plate has the lifter, the one end that the lifter kept away from the lifter plate passes through the through-hole and driven plate fixed mounting.

As a preferred technical scheme, the bearing assembly comprises two bearing plates, sliding holes are formed in the two bearing plates, and the two bearing plates are slidably sleeved on the first support through the sliding holes.

As a preferred technical solution of the present invention, a PE pipe to be pressed is placed inside the fixed die cavity.

As a preferred technical scheme of the invention, the two first brackets at the bottom of the supporting plate are sleeved with return springs.

As a preferred technical scheme of the invention, the electric heating wire is made of a nichrome wire material, and the heating pad, the heat conduction layer and the wear-resistant layer are all made of elastic rubber materials.

As a preferable technical scheme of the invention, the two bearing plates are both provided with bearing grooves.

The invention has the beneficial effects that: the invention has simple and reasonable structure and convenient use, compared with the traditional pressing device for processing the PE pipe, the pressing tool for improving the smoothness of the inner and outer surfaces of the PE pipe improves the smoothness of the bending pipe of the PE pipe and ensures the quality of a product pressed by the PE pipe, the arranged protection mechanism avoids the pressing roller on the pressing movable die from directly contacting with the PE pipe to prevent pressing scratches, the heating pad and the electric heating wire in the heating layer perform pressing and heating treatment on the PE pipe to improve the ductility of the PE pipe and facilitate the pressing of the PE pipe, the PE pipe to be pressed is placed in the fixed die groove of the pressing fixed die, two ends of the PE pipe are positioned in the bearing groove of the bearing plate, the heating layer in the electrified fixed die groove heats the PE pipe, the motor is electrified to rotate the main gear to drive the two driven threaded rods which are arranged in a meshed way with the main gear to rotate, so that the lifting plate moves on the threaded rods, drive lifter plate and driven plate move down, the suppression gyro wheel moves down in-process drive protection mechanism and moves down, make the protection pad shift to PE pipe top, then utilize the electrical heating silk in the heating pad to the heating of PE pipe, constantly moving down along with the suppression gyro wheel, make protection pad and PE pipe suppress the return bend gradually, after the suppression, the suppression gyro wheel shifts up, and shift up protection mechanism through promoting the movable plate, the PE pipe that suppresses the return bend takes off, support groove and cover half groove cooperation on the bearing subassembly, make the PE pipe can stably place, and stability is better, and the practicality is stronger.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the guard mechanism of the present invention;

FIG. 3 is a schematic view of the construction of the support assembly of the present invention;

fig. 4 is a schematic structural diagram of the pressing fixed die of the invention.

In the figure: 1. a work table; 2. a first bracket; 3. pressing the support table; 4. a protection mechanism; 41. a protective pad; 42. moving the plate; 43. a heating pad; 44. a heat conductive layer; 45. a wear layer; 46. an electric heating wire; 47. a sliding sleeve; 5. a pressing drive mechanism; 51. a second bracket; 52. a motor; 53. a main gear; 54. a slave gear; 55. a threaded rod; 56. a lifting plate; 57. a lifting rod; 6. a driven plate; 7. mounting a plate; 8. pressing a roller; 9. pressing a fixed die; 91. fixing a template; 92. a fixed die cavity; 93. a heating layer; 10. a carrier plate; 11. a through hole; 12. a holding assembly; 121. a support plate; 122. a slide hole; 123. a support groove.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a pressing tool for improving smoothness of the inner surface and the outer surface of a PE pipe comprises a workbench 1, pressing support tables 3, protection mechanisms 4, pressing driving mechanisms 5, pressing idler wheels 8 and a bearing assembly 12, wherein two opposite sides of the top of the workbench 1 are fixedly provided with first supports 2, the first supports 2 are provided with two pressing support tables 3, the workbench 1 between the first supports 2 is fixedly provided with two pressing fixed molds 9, the pressing support tables 3 are fixedly provided with pressing fixed molds 9, the first supports 2 at the tops of the pressing support tables 3 are movably provided with the protection mechanisms 4, the tops of the protection mechanisms 4 are provided with pressing movable molds, the tops of the pressing movable molds are provided with the pressing driving mechanisms 5, each pressing movable mold comprises a driven plate 6, a mounting plate 7 and a pressing idler wheel 8, the tops of the driven plates 6 are fixedly connected with the pressing driving mechanisms 5, the driven plate 6 on one opposite side of the pressing driving mechanisms 5 is rotatably provided with the pressing idler wheels 8 through, suppression gyro wheel 8 is provided with a plurality ofly, and is a plurality of suppression gyro wheel 8 highly is the arc structure setting, two the one end fixed mounting that workstation 1 was kept away from to first support 2 has loading board 10, through-hole 11 has been seted up on loading board 10, slidable mounting has bearing subassembly 12 on two first supports 2 between protection machanism 4 and the workstation 1.

Wherein, protection machanism 4 includes that protection pad 41, movable plate 42 and sliding sleeve 47, protection pad 41 is the arc structure setting, the relative both ends fixed mounting of protection pad 41 has movable plate 42, sliding sleeve 47 has been seted up on movable plate 42, sliding sleeve 47 cover is established on first support 2, protection pad 41 passes through movable plate 42 slidable mounting between pressing cover half 9 and pressing movable mould, protection pad 41 comprises heating pad 43, heat-conducting layer 44, wearing layer 45 and electric heating wire 46, one side fixed mounting that heating pad 43 is close to pressing cover half 9 has heat-conducting layer 44, one side fixed mounting that heating pad 43 is close to pressing the movable mould has wearing layer 45, pressing cover half 9 includes fixed die plate 91 at pressing supporting bench 3 top, fixed die plate 91 is the arc structure setting, the radian of fixed die plate 91 sets up with the radian of protection pad 41 correspondingly, the fixed die plate 91 top has been seted up fixed die cavity 92, the inside fixed mounting of fixed die cavity 92 has zone of heating 93, electric heating wire 46 is all installed to the inside of heating pad 43 and zone of heating 93, electric heating wire 46 adopts the wave structure setting, one side fixed mounting of first support 2 has the pneumatic cylinder, and the pneumatic cylinder is provided with two, and the pneumatic cylinder passes through hydraulic stem drive movable plate 42 and slides on first support 2, suppression actuating mechanism 5 includes second support 51, motor 52, master gear 53, from gear 54, threaded rod 55, lifter plate 56 and lifter 57, the top fixed mounting of loading board 10 has second support 51, second support 51 is the U type structure setting, one side fixed mounting that loading board 10 was kept away from to second support 51 has motor 52, motor 52 adopts positive and negative motor, the output of motor 52 passes through the shaft coupling and is connected with reduction gear transmission, the output end of the speed reducer is in transmission connection with a main gear 53 through a coupler, the main gear 53 is engaged with and provided with two secondary gears 54, the two secondary gears 54 are symmetrically arranged, two secondary gears 54 are fixedly provided with threaded rods 55, two threaded rods 55 are arranged, one ends of the two threaded rods 55 far away from the secondary gears 54 are rotatably arranged with the bearing plate 10, two lifting plates 56 are arranged on the two threaded rods 55 in a threaded sleeve manner, the bottom of each lifting plate 56 is fixedly provided with a lifting rod 57, one end of each lifting rod 57 far away from the lifting plate 56 penetrates through a through hole 11 and is fixedly arranged with the driven plate 6, the bearing component 12 comprises two bearing plates 121, two bearing plates 121 are arranged, two sliding holes 122 are arranged on the two bearing plates 121, and the two bearing plates 121 are slidably arranged on the first bracket 2 through the sliding holes 122, the inside PE pipe that remains to suppress of placing of cover in cover groove 92, two first support 2 of bearing plate 121 bottom go up the cover and establish and install reset spring, the reseing of bearing subassembly 12 after the convenient suppression, electric heating wire 46 adopts nichrome silk material to make, and heating efficiency is high, heating pad 43, heat-conducting layer 44 and wearing layer 45 all adopt elastic rubber material to make, and elastic deformation performance is good, and the protection pad 41 is out of shape, two when being convenient for suppress all seted up on the bearing plate 121 and held the groove 123, and the PE pipe both ends of treating the suppression in bearing groove 123 carry out spacing bearing, and stability is better.

Specifically, the method comprises the following steps: a pressing tool for improving the smoothness of the inner surface and the outer surface of a PE pipe is used, the PE pipe to be pressed is placed in a fixed die groove 92 of a pressing fixed die 9, two ends of the PE pipe are positioned in a bearing groove 123 of a bearing plate 121, the PE pipe is heated by electrifying a heating layer 93 in the fixed die groove 92, a motor 52 is electrified to rotate and drive a main gear 53 to rotate, two driven gears 54 which are meshed with the main gear 53 drive two threaded rods 55 to rotate, a lifting plate 56 moves on the threaded rods 55, the lifting plate 56, the lifting rod 57 and a driven plate 6 move downwards, a protection mechanism 4 is driven to move downwards in the downward moving process of a pressing roller 8, a protection pad 41 is moved to the top of the PE pipe, then the PE pipe is heated by an electric heating wire 46 in a heating pad 43, the protection pad 41 and the PE pipe are gradually pressed into bent pipes along with the continuous downward moving of the pressing roller 8, and the pressing roller 8 moves upwards, and move up protection machanism 4 through promoting movable plate 42, the PE pipe that suppresses the return bend takes off, support groove 123 and cover half groove 92 cooperation on the bearing subassembly 12, make the PE pipe can stably place, stability is better, this suppression frock that improves the intraductal outside smoothness of PE makes the smoothness of PE pipe return bend suppression obtain improving, guarantee the product quality of PE pipe suppression, protection machanism 4 that sets up has avoided suppressing that the suppression gyro wheel 8 on the movable mould is direct to contact with the PE pipe, prevent to suppress the scratch, and electric heating wire 46 in heating pad 43 and the zone of heating 93 is to PE pipe suppression heat treatment, the heating improves the ductility of PE pipe, it is convenient to its suppression, the practicality is stronger.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an improve suppression frock of intraductal outside smoothness of PE which characterized in that: comprises a workbench (1), a pressing support table (3), a protection mechanism (4), a pressing driving mechanism (5), a pressing roller (8) and a bearing component (12), wherein two opposite sides of the top of the workbench (1) are fixedly provided with a first support (2), the first support (2) is provided with two pressing support tables (3), the pressing support tables (3) are fixedly arranged on the workbench (1) between the first supports (2), a pressing fixed mold (9) is fixedly arranged on the pressing support tables (3), the protection mechanism (4) is movably arranged on the first support (2) at the top of the pressing support table (3), a pressing movable mold is arranged at the top of the protection mechanism (4), the pressing driving mechanism (5) is arranged at the top of the pressing movable mold, the pressing movable mold comprises a driven plate (6), a mounting plate (7) and the pressing roller (8), the top of the driven plate (6) is fixedly connected with the pressing driving mechanism (5), the driven plate (6) on one side opposite to the pressing driving mechanism (5) is rotatably provided with a pressing roller (8) through a mounting plate (7), the pressing roller (8) is provided with a plurality of pressing rollers (8) which are highly arranged in an arc-shaped structure, two ends of the first support (2) far away from the workbench (1) are fixedly provided with a bearing plate (10), through holes (11) are formed in the bearing plate (10), a bearing assembly (12) is slidably arranged on the two first supports (2) between the protection mechanism (4) and the workbench (1), the protection mechanism (4) comprises a protection pad (41), a movable plate (42) and a sliding sleeve (47), the protection pad (41) is arranged in the arc-shaped structure, the movable plate (42) is fixedly arranged at two ends opposite to the protection pad (41), the sliding sleeve (47) is arranged on the movable plate (42), the utility model discloses a fixed die structure, including a fixed die plate (3), a fixed die plate (91), a movable die (9), a movable die, a sliding sleeve (47), a protective pad (41), a heat-conducting layer (44), an abrasion-resistant layer (45), an electric heating wire (46), a fixed die plate (93), a fixed die groove (92), a heating layer (93), a fixed die groove (91), wherein the sliding sleeve (47) is sleeved on the first support (2), the protective pad (41) is slidably mounted between the fixed die plate (9) and the movable die through a movable plate (42), the heat-conducting layer (44) is fixedly mounted on one side of the heating pad (43) close to the fixed die (9), the abrasion-resistant layer (45) is fixedly mounted on one side of the heating pad (43) close to the movable die, the fixed die plate (9) comprises the fixed die plate (91) fixedly mounted on the top of the supporting table (3), the fixed die plate (91) is of arc-shaped, electric heating wire (46) are all installed to the inside of heating pad (43) and zone of heating (93), electric heating wire (46) adopt the wave structure to set up, one side fixed mounting of first support (2) has the pneumatic cylinder, and the pneumatic cylinder is provided with two, and the pneumatic cylinder passes through hydraulic stem drive movable plate (42) and slides on first support (2), electric heating wire (46) adopt nichrome silk material to make, heating pad (43), heat-conducting layer (44) and wearing layer (45) all adopt elastic rubber material to make, it moves down in-process drive protection mechanism (4) and moves down to suppress gyro wheel (8), makes protection pad (41) shift to PE pipe top.

2. The pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe according to claim 1, wherein: the pressing driving mechanism (5) comprises a second support (51), a motor (52), a main gear (53), a slave gear (54), a threaded rod (55), a lifting plate (56) and a lifting rod (57), the second support (51) is fixedly installed at the top of the bearing plate (10), the second support (51) is arranged in a U-shaped structure, the motor (52) is fixedly installed on one side, far away from the bearing plate (10), of the second support (51), the motor (52) adopts a positive and negative motor, the output end of the motor (52) is in transmission connection with a speed reducer through a coupler, the output end of the speed reducer is in transmission connection with the main gear (53) through the coupler, the slave gear (54) is installed on the main gear (53) in a meshed mode, two slave gears (54) are symmetrically arranged on the slave gear (54), and the two slave gears (54) are both fixedly installed with the threaded rod (55), threaded rod (55) are provided with two, two threaded rod (55) are kept away from the one end of gear (54) and loading board (10) and are rotated the installation, two threaded rod (55) are gone up the screw thread cover and are established and install lifter plate (56), the bottom fixed mounting of lifter plate (56) has lifter (57), through-hole (11) and driven plate (6) fixed mounting are passed to the one end that lifter (57) kept away from lifter plate (56).

3. The pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe according to claim 1, wherein: the bearing component (12) comprises two bearing plates (121), two bearing plates (121) are arranged, sliding holes (122) are formed in the two bearing plates (121), and the two bearing plates (121) are slidably sleeved on the first support (2) through the sliding holes (122).

4. The pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe according to claim 1, wherein: the PE pipe to be pressed is placed inside the fixed die cavity (92).

5. The pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe according to claim 3, wherein: two first supports (2) at the bottom of the bearing plate (121) are sleeved with return springs.

6. The pressing tool for improving the smoothness of the inner surface and the outer surface of the PE pipe according to claim 3, wherein: and the two bearing plates (121) are provided with bearing grooves (123).