CN112045054A

CN112045054A - High-pressure pipe withholding machine

Info

Publication number: CN112045054A
Application number: CN202010795926.XA
Authority: CN
Inventors: 范燕军
Original assignee: Individual
Current assignee: Hebei Haien Rubber Products Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-12-08
Anticipated expiration: 2040-08-10
Also published as: CN112045054B

Abstract

The invention relates to the technical field of pipe fitting buckling and discloses a high-pressure pipe buckling and pressing machine, which comprises a machine body, wherein a buckling and pressing barrel is fixedly arranged in the middle of the machine body, the inner ring at the front end of the buckling and pressing cylinder is provided with a bending sliding shaft and a limiting guide plate in an annular intermittent manner, the outer ring of the bending sliding shaft is movably sleeved with a movable mould, the back of the buckling and pressing cylinder is fixedly provided with a cross-shaped motor mounting rack, the middle part of the motor mounting rack is fixedly provided with a motor, the output shaft of the motor extends into the buckling and pressing cylinder and is fixedly connected with a main gear, a fixing ring is fixedly arranged at one end of the inner ring of the buckling and pressing cylinder, which is close to the motor, the front surface of the fixing ring is uniformly and fixedly provided with a fixing shaft in an annular shape, the outer ring of the fixing shaft is movably sleeved with a transmission device, through the design of the movable die and the driving mode of the motor gear, the buckling quality and efficiency are improved.

Description

High-pressure pipe withholding machine

Technical Field

The invention relates to the technical field of pipe fitting crimping, in particular to a high-pressure pipe crimping machine.

Background

The high-pressure pipe is a rigid pipeline that arrives commonly used in the machinery trade, and its length needs to use to connect two sections high-pressure pipes together and cup joint and fix, adopts manual to be can't reach the required power of cup joint, consequently need adopt the withhold machine, and the withhold machine is a hydraulic equipment that is used for withholding the pipe fitting, and it utilizes the mould to be in the same place the metal joint pressurization shrink that matches to two sections tubular metal resonator sealing connection together, its convenient to use is swift, but still has some problems:

1. when the mould is pressed from top to bottom by hydraulic pressure, the stress on a high-pressure pipe placed in a pressing machine can cause uneven up and down and periphery, the uneven stress can cause unqualified local pressing on one hand, the sealing performance is poor, the pressing needs to be carried out again or the high-pressure pipe is directly scrapped, and on the other hand, the local stress on the high-pressure pipe is too large, so that cracks are generated, the high-pressure pipe is damaged and scrapped, the pressing quality is not ensured, and the production efficiency is greatly reduced;

2. the machine of withholding utilizes complicated hydraulic system to drive, and organism itself is still very big again heavy in addition, just inconvenient carrying use of during operation outside like this, and the practicality is low, and this kind of machine of withholding is certain withholding mouth of pipe diameter moreover, leads to the practicality not enough more, and the hydraulic pressure that adopts is carrying out the drive simultaneously can lead to using for a long time the back withholding force not enough because of inherent leakproofness problem, also can reduce to withhold the quality.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the high-pressure pipe withholding machine which has the advantages of high withholding quality and high practicability and solves the problems in the background technology.

The invention provides the following technical scheme: a high-pressure pipe withholding machine comprises a machine body, wherein a withholding barrel is fixedly arranged in the middle of the machine body, a switch is fixedly arranged at the top of the front of the machine body, an inner ring at the front end of the withholding barrel is provided with a bending sliding shaft and a limiting guide plate in an annular intermittent mode, a movable die is sleeved on the outer ring of the bending sliding shaft in a movable mode, a withholding die head is fixedly arranged at the end part of the movable die, a cross-shaped motor mounting frame is fixedly arranged at the back of the withholding barrel, a motor is fixedly arranged in the middle of the motor mounting frame, a damping spring is fixedly arranged in the end part of the motor mounting frame, an output shaft of the motor extends into the withholding barrel and is fixedly connected with a main gear, a fixed ring is fixedly arranged at one end, close to the motor, of the inner ring of the withholding barrel, a fixed, and two ends of the transmission device are meshed with the outer ring of the main gear and one end gear of the movable die.

Preferably, a sliding hole is formed in the middle of the movable mold, sliding grooves are formed in the outer surfaces, located on the two sides of the sliding hole, of the movable mold, first tooth keys are uniformly arranged on the inner curved surface, away from one end of the buckling and pressing die head, of the movable mold, fixing bolts are fixedly arranged inside the movable mold and the buckling and pressing die head, a limiting baffle is movably arranged inside the sliding hole, and a reset spring is fixedly connected between the limiting baffle and the inner end of the sliding hole.

Preferably, the transmission device comprises a transmission shaft, a trepan boring is formed in the middle of the back of the transmission shaft, a gear shaft is fixedly installed in the middle of the front of the transmission shaft, a second tooth key is fixedly installed on the back of the outer ring of the transmission shaft, the gear shaft is meshed with one end of the movable mold, and the second tooth key is meshed with the outer ring of the main gear.

Preferably, the sliding grooves are matched with the limiting guide plate, two sliding grooves are formed in each side of the movable die, the length of each sliding groove is larger than the sliding length of the movable die when the movable die is buckled to the maximum position, the movable die is integrally in an arc shape, and the curvature of the arc shape is the same as the bending curvature of the bending sliding shaft.

Preferably, the inner ring of the trepanning is movably sleeved with the outer ring of the fixed shaft, the length of the gear shaft is equal to that of the first tooth key, the length of the second tooth key is equal to the thickness of a gear disc of the main gear, and the installation circularity of the second tooth key accounts for three quarters of the outer ring of the transmission shaft.

The invention has the following beneficial effects:

1. through setting movable mould to cyclic annular installation, and can drive simultaneously to middle withholding pipe fitting through the gear, compare in prior art, the movable mould of setting can move about through spacing baffle and crooked sliding shaft, pass through the meshing transmission of tooth key transmission at its back, and transmission and motor drive meshing, consequently can directly realize through the control motor that movable mould withholds to the middle part simultaneously, because it can guarantee that the power that every movable mould of annular design received is the same and then guaranteed that the high-pressure tube atress of withholding is even, the quality of withholding has been guaranteed.

2. Install at withholding a back through setting up the motor to through master gear and transmission meshing transmission, through transmission and movable mould meshing transmission, still be provided with removable withholding die head at the tip of movable mould simultaneously, compare in prior art, rotate and realize the control to the movable mould through motor direct control gear, a lot of structures and space have still been practiced thrift to simple and convenient while, the change of withholding the die head simultaneously can be used for adapting to more pipe fittings and withhold, greatly increased its practicality and still guaranteed the quality of withholding.

Drawings

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

FIG. 2 is a general cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the crimping barrel of the present invention;

FIG. 4 is a front left schematic view of a fastening barrel of the present invention;

FIG. 5 is a left rear view of the crimping barrel of the present invention;

FIG. 6 is a cross-sectional view of a crimping barrel of the present invention;

FIG. 7 is a schematic view of a crimping die of the present invention;

FIG. 8 is a cross-sectional view of a crimping die of the present invention;

fig. 9 is a schematic view of the transmission of the present invention.

In the figure: 1. a body; 2. buckling and pressing the cylinder; 3. a switch; 4. a bending slide shaft; 5. a movable mold; 501. a slide hole; 502. a chute; 503. a first spline; 6. a limiting guide plate; 7. buckling and pressing a die head; 8. a motor mounting bracket; 801. a damping spring; 9. a motor; 10. a main gear; 11. a fixing ring; 12. a fixed shaft; 13. a transmission device; 1301. a drive shaft; 1302. trepanning; 1303. a gear shaft; 1304. a second spline; 14. a fixing bolt; 15. a limit baffle; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a high-pressure pipe withholding machine comprises a machine body 1, a withholding cylinder 2 is fixedly installed in the middle of the machine body 1, a switch 3 is fixedly installed on the top of the front of the machine body 1, a bending slide shaft 4 and a limiting guide plate 6 are uniformly installed on the inner ring of the front end of the withholding cylinder 2 in an annular intermittent manner, a movable mold 5 is movably sleeved on the outer ring of the bending slide shaft 4, a withholding die head 7 is fixedly installed on the end portion of the movable mold 5, a cross-shaped motor mounting frame 8 is fixedly installed on the back of the withholding cylinder 2, a motor 9 is fixedly installed in the middle of the motor mounting frame 8, a damping spring 801 is fixedly installed inside the end portion of the motor mounting frame 8, an output shaft of the motor 9 extends into the withholding cylinder 2 and is fixedly connected with a main gear 10, a fixing ring 11 is fixedly installed on one end of the withholding cylinder, the outer ring of the fixed shaft 12 is movably sleeved with a transmission device 13, two ends of the transmission device 13 are meshed with the outer ring of the main gear 10 and one end gear of the movable mold 5, the middle of the movable mold 5 is provided with a sliding hole 501, the outer surfaces of the movable mold 5, which are positioned on two sides of the sliding hole 501, are provided with sliding grooves 502, the inner curved surface of one end, which is far away from the buckling and pressing die head 7, of the movable mold 5 is uniformly provided with a first toothed key 503, the movable mold 5 and the inside of the buckling and pressing die head 7 are fixedly provided with a fixed bolt 14, the inside of the sliding hole 501 is movably provided with a limit baffle 15, a reset spring 16 is fixedly connected between the limit baffle 15 and the inner end part of the sliding hole 501, and the reset spring 16 can conveniently.

The transmission device 13 comprises a transmission shaft 1301, a trepan boring 1302 is formed in the middle of the back of the transmission shaft 1301, a gear shaft 1303 is fixedly mounted in the middle of the front of the transmission shaft 1301, a second toothed key 1304 is fixedly mounted on the back of the outer ring of the transmission shaft 1301, the gear shaft 1303 is meshed with one end of the movable mold 5, the second toothed key 1304 is meshed with the outer ring of the main gear 10, and transmission effects are achieved through the toothed keys at the two ends of the transmission device 13.

Wherein,

spout

502 and 6 looks adaptations of spacing baffle, the spout 502 that 5 each sides of movable mould were seted up is two, movable mould 5 realizes sliding through

spout

502 and 6 cooperation of spacing baffle, still play spacing effect simultaneously, guarantee that movable mould 5 can constitute a ring form mould after sliding, the length of spout 502 is greater than movable mould 5 and withstands gliding length when the maximum position, sliding distance in the scope in order to guarantee movable mould 5, the condition of derailing prevents to appear, movable mould 5 is circular-arc on the whole, and this circular-arc camber is the same with the crooked camber of crooked sliding shaft 4, the same camber makes things convenient for movable mould 5's slip more, reduce frictional resistance simultaneously, also can play the effect of protection.

The inner ring of the trepanning 1302 is movably sleeved with the outer ring of the fixed shaft 12, the length of the gear shaft 1303 is equal to that of the first toothed key 503, the length of the second toothed key 1304 is equal to the thickness of a gear disc of the main gear 10, the same is that the transmission effect and efficiency are improved for better adaptation, the installation ring degree of the second toothed key 1304 accounts for three quarters of the outer ring of the transmission shaft 1301, the rotation is guaranteed to have a limit, namely, the limiting effect is achieved, the limiting effect can be achieved on the movable die 5, the movable die is guaranteed not to continuously slide when sliding to the maximum position, meanwhile, the limitation on the whole crimping machine is also achieved, the rotation of each crimping is guaranteed to be certain to the maximum, and the overload condition cannot occur.

The working principle is that a pipe fitting to be buckled and pressed is placed on a movable die 5 in the middle of a buckling and pressing barrel 2, a power supply is switched on to press a switch 3, a driving motor 9 drives a main gear 10 to rotate, the main gear 10 drives a transmission device 13 to rotate through meshing with a second toothed key 1304, then a gear shaft 1303 is meshed with a first toothed key 503 to drive the movable die 5 to slide towards the middle along a bending sliding shaft 4 and a limiting guide plate 6, when the maximum position is reached, a buckling and pressing die head 7 at the end part of the main gear forms a whole circular ring to buckle and press the pipe fitting, after the buckling and pressing is completed, the motor 9 rotates reversely again to return the movable die 5, a return spring 16 assists to return, then the buckled and pressed pipe fitting is taken out, and when the pipe fitting with different diameters needs to be buckled, the buckling and pressing die head.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-pressure tube withholds machine, includes organism (1), and the middle part fixed mounting of organism (1) has withholds a section of thick bamboo (2), and the positive top fixed mounting of organism (1) has switch (3), its characterized in that: the inner ring of the front end of the buckling cylinder (2) is provided with a bending sliding shaft (4) and a limiting guide plate (6) in an annular intermittent mode, a movable die (5) is sleeved on the outer ring of the bending sliding shaft (4) in a movable mode, a buckling die head (7) is fixedly mounted at the end part of the movable die (5), a cross-shaped motor mounting frame (8) is fixedly mounted at the back of the buckling cylinder (2), a motor (9) is fixedly mounted at the middle part of the motor mounting frame (8), a damping spring (801) is fixedly mounted at the inner part of the end part of the motor mounting frame (8), an output shaft of the motor (9) extends into the inner part of the buckling cylinder (2) and is fixedly connected with a main gear (10), a fixing ring (11) is fixedly mounted at one end, close to the motor (9), of the inner ring of the buckling cylinder (2), and a fixing shaft (12) is uniformly and, the outer ring of the fixed shaft (12) is movably sleeved with a transmission device (13), and two ends of the transmission device (13) are meshed with the outer ring of the main gear (10) and one end gear of the movable mold (5).

2. The high-pressure pipe withholding machine of claim 1, wherein: the middle part of movable mould (5) has been seted up slide opening (501), spout (502) have been seted up to the surface that movable mould (5) are located slide opening (501) both sides, movable mould (5) are kept away from and are withheld die head (7) one end inner curved surface and evenly install first tooth key (503), movable mould (5) and the inside fixed mounting who withholds die head (7) have gim peg (14), the inside movable mounting of slide opening (501) has limit baffle (15), fixedly connected with reset spring (16) between limit baffle (15) and the tip in slide opening (501).

3. The high-pressure pipe withholding machine of claim 1, wherein: the transmission device (13) comprises a transmission shaft (1301), a trepanning (1302) is formed in the middle of the back of the transmission shaft (1301), a gear shaft (1303) is fixedly mounted in the middle of the front of the transmission shaft (1301), a second tooth key (1304) is fixedly mounted on the back of the outer ring of the transmission shaft (1301), the gear shaft (1303) is meshed with one end of the movable mold (5), and the second tooth key (1304) is meshed with the outer ring of the main gear (10).

4. The high-pressure pipe withholding machine of claim 2, wherein: the sliding grooves (502) are matched with the limiting guide plates (6), the number of the sliding grooves (502) formed in each side of the movable die (5) is two, the length of each sliding groove (502) is larger than the length of the sliding groove (5) which slides when the movable die (5) is buckled to the maximum position, the movable die (5) is integrally arc-shaped, and the curvature of the arc-shaped sliding groove is the same as the bending curvature of the bending sliding shaft (4).

5. The high-pressure pipe withholding machine of claim 3, wherein: the inner ring of the trepanning (1302) is movably sleeved with the outer ring of the fixed shaft (12), the length of the gear shaft (1303) is equal to that of the first toothed key (503), the length of the second toothed key (1304) is equal to the thickness of a gear disc of the main gear (10), and the installation circularity of the second toothed key (1304) accounts for three quarters of the outer ring of the transmission shaft (1301).