Detachable hydraulic bulging machine for corrugated pipe

Abstract

The utility model relates to the technical field of corrugated pipe production, and discloses a detachable hydraulic bulging machine for a corrugated pipe, which comprises a hydraulic bulging machine workbench, a bulging platform is fixedly arranged on the upper surface of the hydraulic bulging machine workbench, six first sliding chutes are arranged on the upper surface of the bulging platform, the detachable hydraulic bulging machine for the corrugated pipe is characterized in that a bulging mechanism is arranged on a hydraulic bulging machine workbench, and the bulging mechanism comprises a hydraulic press, six piston rods, six first springs, six dampers, six bulging dies, a hydraulic rod, two grooves, an inserting groove, a second sliding groove, two second springs, two fixing blocks, a circular ring and two circular holes. The conical ejector block is installed on the outer surface of the hydraulic rod in a clamping mode, when corrugated pipes with different pipe diameters are expanded, the conical ejector block can be rapidly disassembled and assembled in the clamping mode, the conical ejector block can be replaced with conical ejector blocks with different sizes, the application range of the bulging machine is widened, and the bulging machine is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated pipe production technical field, specifically is detachable hydraulic bulging machine for corrugated pipe. BACKGROUND

[0002] When the corrugated pipe is processed, the processing part of the hydraulic bulging machine is inserted into the processed corrugated pipe to extrude the hydraulic oil, improve the pressure of the hydraulic oil, and the side wall of the corrugated pipe can be extruded and formed after the pressure of the hydraulic oil increases.

[0003] The traditional hydraulic bulging machine includes a machine tool, which is provided with a hydraulic system to control the expansion of the head, but the head of the expansion of some hydraulic bulging machines is mostly fixed in size, and the head is mostly welded on the hydraulic drive device. When processing corrugated pipes of different pipe diameters, the size of the head cannot be replaced, which prevents the expansion of corrugated pipes of different pipe diameters. In view of this, a detachable hydraulic bulging machine for corrugated pipe is proposed. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a detachable hydraulic bulging machine for corrugated pipe, which solves the problem that the hydraulic bulging machine is difficult to expand the corrugated pipe of different pipe diameters.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose of facilitating the operation of the hydraulic bulging machine for the expansion of corrugated pipes of different pipe diameters, the utility model provides the following technical scheme: a detachable hydraulic bulging machine for corrugated pipe, comprising a hydraulic bulging machine workbench, a bulging platform is fixedly installed on the upper surface of the hydraulic bulging machine workbench, six first sliding grooves are formed in the upper surface of the bulging platform;

[0008] Among them, the bulging mechanism is arranged on the hydraulic bulging machine workbench, and the bulging mechanism comprises a hydraulic device, six piston rods, six first springs, six dampers, six bulging dies, a hydraulic rod, two grooves, a slot, a second sliding groove, two second springs, two fixed blocks, a circular ring, two circular holes, two ball bearings and a conical top block;

[0009] The hydraulic device is fixedly installed on the lower surface of the top plate of the hydraulic bulging machine workbench, and the hydraulic rod is slidably sleeved on the inner surface of the hydraulic device;

[0010] Among them, two grooves are formed in the outer surface of the hydraulic rod;

[0011] The conical top block is arranged on the outer surface of the hydraulic rod, and the slot is formed in the lower surface of the conical top block;

[0012] The second sliding groove is arranged on the outer surface of the conical top block;

[0013] Two first springs are fixedly installed on the inner surface of the second sliding groove, two fixed blocks are fixedly installed on the upper ends of the two first springs, and the opposite surfaces of the two fixed blocks are arranged in an inclined manner;

[0014] The circular ring is fixedly arranged on the outer surface of the two fixed blocks, and the circular ring is in sliding connection with the second sliding groove;

[0015] Two circular holes are arranged in the inner wall of the second sliding groove, and two circular beads are arranged in the inner wall of the two circular holes;

[0016] Six expansion dies are slidingly arranged in the inner walls of the six first sliding grooves, six piston rods are fixedly installed on the opposite surfaces of the six expansion dies, and six first springs are fixedly installed on the opposite surfaces of the six piston rods;

[0017] Six dampers are fixedly installed on the opposite ends of the six first springs, the six dampers are slidingly arranged on the outer surfaces of the six piston rods, and the six dampers are fixedly installed in the inner walls of the six first sliding grooves.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the detachable hydraulic expander for the corrugated pipe has the following beneficial effects:

[0020] 1. The detachable hydraulic expander for the corrugated pipe, by means of clamping, the conical top block is installed on the outer surface of the hydraulic rod, when the pipe is expanded, the conical top block can be quickly disassembled and assembled through clamping, different sizes of conical top blocks can be replaced, the application range of the expander is improved, and it is more convenient.

[0021] 2. The detachable hydraulic expander for the corrugated pipe, when the expansion die is expanded, the first spring and the damper can be used for buffering, so that the corrugated pipe is not easily cracked due to the rapid movement of the expansion die, and the production quality of the expansion pipe is improved. DRAWINGS

[0022] Figure 1 It is a structure schematic view of the detachable hydraulic expander for the corrugated pipe of the utility model;

[0023] Figure 2 It is a structure schematic view of the expansion platform of the utility model;

[0024] Figure 3 It is a structure schematic view of the expansion platform of the utility model; Figure 2

[0025] Figure 4 ​The utility model discloses hydraulic bulging machine workstation structure schematic diagram shows that the utility model discloses a kind of hydraulic bulging machine workstation structure schematic diagram.

[0026] Figure 5 The utility model discloses Figure 4 The structure enlarged view of B in the middle.

[0027] In the drawing: 1, hydraulic bulging machine workstation;2, hydraulic device;3, bulging platform;4, first sliding groove;5, piston rod;6, first spring;7, damper;8, bulging die;9, hydraulic rod;10, recess;11, slot;12, second sliding groove;13, second spring;14, fixed block;15, circular ring;16, round hole;17, round ball;18, conical top block. Specific embodiments

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-5 The utility model provides a new technical scheme: detachable hydraulic bulging machine for corrugated pipe, including hydraulic bulging machine workstation 1, the upper surface of hydraulic bulging machine workstation 1 is fixedly installed with bulging platform 3, the upper surface of bulging platform 3 is provided with six first sliding grooves 4;

[0030] Among them, the bulging mechanism is arranged on the hydraulic bulging machine workstation 1, and the bulging mechanism includes hydraulic device 2, six piston rods 5, six first springs 6, six dampers 7, six bulging dies 8, hydraulic rod 9, two recesses 10, slot 11, second sliding groove 12, two second springs 13, two fixed blocks 14, circular ring 15, two round holes 16, two round balls 17 and conical top block 18;

[0031] Among them, the hydraulic device 2 is fixedly installed on the lower surface of the top plate of the hydraulic bulging machine workstation 1, and the hydraulic rod 9 is slidably sleeved on the inner surface of the hydraulic device 2;

[0032] Among them, two recesses 10 are arranged on the outer surface of the hydraulic rod 9;

[0033] Among them, the conical top block 18 is arranged on the outer surface of the hydraulic rod 9, and the slot 11 is arranged on the lower surface of the conical top block 18;

[0034] Among them, the second sliding groove 12 is arranged on the outer surface of the conical top block 18;

[0035] Two first springs 6 are fixedly installed on the inner surface of the second sliding groove 12, two fixed blocks 14 are respectively fixedly installed on the upper end of the two first springs 6, and the opposite surfaces of the two fixed blocks 14 are provided in a slope;

[0036] The circular ring 15 is fixedly sleeved on the outer surface of the two fixed blocks 14, and the circular ring 15 is in sliding connection with the second sliding groove 12;

[0037] Two circular holes 16 are formed in the inner wall of the second sliding groove 12, and two circular beads 17 are arranged in the inner wall of the two circular holes 16;

[0038] Six expansion dies 8 are slidably sleeved in the inner wall of the six first sliding grooves 4, six piston rods 5 are fixedly installed on the opposite surfaces of the six expansion dies 8, and six first springs 6 are fixedly installed on the opposite surfaces of the six piston rods 5;

[0039] Six dampers 7 are fixedly installed on the opposite ends of the six first springs 6, the six dampers 7 are slidably sleeved on the outer surface of the six piston rods 5, and the six dampers 7 are respectively fixedly installed in the inner wall of the six first sliding grooves 4;

[0040] The corrugated pipe detachable hydraulic bulging machine, the conical top block 18 is installed on the outer surface of the hydraulic rod 9 through the clamping mode, when the corrugated pipe of different pipe diameter size is bulged, the conical top block 18 can be quickly disassembled through the clamping mode, and the conical top block 18 of different size is replaced, the application range of the bulging machine is improved, and the corrugated pipe detachable hydraulic bulging machine is more convenient.

[0041] The corrugated pipe detachable hydraulic bulging machine, the conical top block 18 is installed on the outer surface of the hydraulic rod 9 through the clamping mode, when the corrugated pipe of different pipe diameter size is bulged, the conical top block 18 can be quickly disassembled through the clamping mode, and the conical top block 18 of different size is replaced, the application range of the bulging machine is improved, and the corrugated pipe detachable hydraulic bulging machine is more convenient.

[0042] Working principle: when the bellows is used with the detachable hydraulic bulging machine, the circular ring 15 is moved downward in the second sliding groove 12 by applying downward thrust, and the two fixed blocks 14 fixedly installed on the inner surface are moved downward, at this time, the two fixed blocks 14 apply pressure to the two second springs 13 fixedly installed on the lower surface, so that the two second springs 13 are contracted, at this time, the two fixed blocks 14 do not block the two round holes 16, that is, the two round balls 17 arranged in the two round holes 16 are not limited, the hydraulic rod 9 is inserted into the insertion slot 11 arranged on the lower surface of the conical top block 18, and the two round holes 16 arranged on the outer surface of the conical top block 18 are aligned with the two grooves 10 arranged on the outer surface of the hydraulic rod 9, at this time, the downward thrust is not applied to the circular ring 15, and the two second springs 13 are not stressed, at this time, the two second springs 13 are expanded, the two second springs 13 apply upward thrust to the two fixed blocks 14 fixedly installed on the upper end, so that the two fixed blocks 14 slide upward in the inner wall of the second sliding groove 12, at this time, the inclined surface of the two fixed blocks 14 hits the two round balls 17 and applies opposite thrust to the two round balls 17, so that the two round balls 17 are moved to the opposite side and clamped into the two grooves 10 arranged on the outer surface of the hydraulic rod 9 for fixation, at this time, the fixation of the conical top block 18 is completed, when it is necessary to replace the conical top block 18 of different sizes, the circular ring 15 is pushed downward to release the clamping fixation, the conical top block 18 can be removed, and the above operation can be repeated to replace the new conical top block 18, the bellows to be bulged is sleeved on the outer surface of the six bulging dies 8, at this time, the hydraulic device 2 is started, the hydraulic device 2 drives the hydraulic rod 9 to move upward by operation, at this time, the conical top block 18 fixedly installed on the outer surface is moved upward by the hydraulic rod 9, at this time, the conical top block 18 enters the inner surface of the six bulging dies 8, and the conical top block 18 applies opposite thrust to the six bulging dies 8 for bulging, when the bulging is performed, the six bulging dies 8 apply opposite thrust to the six piston rods 5, the six piston rods 5 apply pressure to the six first springs 6, so that the six first springs 6 are contracted, and the six piston rods 5 slowly move in the inner surface of the six dampers 7, the damper 7 in the utility model is a hydraulic damper, which consumes energy through damping oil and damping holes, so as to slow down or prevent the process of mechanical movement, and then form a certain buffer, so that the situation that the bellows is broken due to too fast movement can be avoided.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable hydraulic bulging machine for corrugated pipes, comprising a hydraulic bulging machine worktable (1), wherein a bulging platform (3) is fixedly mounted on the upper surface of the hydraulic bulging machine worktable (1), characterized in that: The upper surface of the bulging platform (3) is provided with six first sliding grooves (4); The hydraulic bulging machine worktable (1) is equipped with a bulging mechanism, which includes a hydraulic press (2), six piston rods (5), six first springs (6), six dampers (7), six bulging molds (8), a hydraulic rod (9), two grooves (10), a slot (11), a second slide (12), two second springs (13), two fixing blocks (14), a ring (15), two round holes (16), two round beads (17), and a conical top block (18). The hydraulic unit (2) is fixedly installed on the lower surface of the top plate of the hydraulic expansion machine workbench (1), and the hydraulic rod (9) is slidably sleeved on the inner surface of the hydraulic unit (2); Two grooves (10) are formed on the outer surface of the hydraulic rod (9); The conical top block (18) is disposed on the outer surface of the hydraulic rod (9), and the slot (11) is opened on the lower surface of the conical top block (18); The second groove (12) is formed on the outer surface of the conical top block (18); Two first springs (6) are fixedly installed on the inner surface of the second slide (12), and two fixing blocks (14) are fixedly installed on the upper ends of the two first springs (6) respectively. The opposite surfaces of the two fixing blocks (14) are set at an angle. Among them, the ring (15) is fixedly sleeved on the outer surface of the two fixed blocks (14), and the ring (15) is slidably connected to the second sliding groove (12); Two round holes (16) are formed in the inner wall of the second groove (12), and two round beads (17) are set in the inner wall of the two round holes (16). The six bulging molds (8) are slidably sleeved in the inner wall of the six first grooves (4), the six piston rods (5) are fixedly installed on the opposite side of the six bulging molds (8), and the six first springs (6) are fixedly installed on the opposite side of the six piston rods (5); The six dampers (7) are fixedly installed on opposite ends of the six first springs (6), the six dampers (7) are slidably sleeved on the outer surface of the six piston rods (5), and the six dampers (7) are respectively fixedly installed in the inner wall of the six first grooves (4).

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