阅读说明：本技术 一种液压管生产用内管脱芯机 (Inner pipe core stripper for hydraulic pipe production ) 是由 张海筹 胡东 陈志国 谭峰亮 汪力 王舒 于 2020-07-09 设计创作，主要内容包括：本发明涉及钢管成型设备技术领域,且公开了一种液压管生产用内管脱芯机,包括机架。该液压管生产用内管脱芯机,通过夹模内孔的中部继续开设的负压腔且与抽气电机、电磁阀配合安装,并在抽气电机与电磁阀的间歇式且交错工作,使得负压腔内的空气压力不断变化,从而使得胶管扩张伸缩呈跳动状态,进而使得胶芯与胶管之间的高压介质能够泵给到更深处,促进高压介质的充入效率,且在活动安装的滑板,在液压泵充入高压介质的作用下,形变囊膨胀,抵推伸缩套上移,带动滑板上移,从而使得滑板推动胶管具有向上隆起效果,抽气电机工作产生的负压,在充入高压介质的共同作用下,更容易产生缝隙,产生的缝隙更大,进一步提升负压扩张程度。(The invention relates to the technical field of steel pipe forming equipment, and discloses an inner pipe core stripper for hydraulic pipe production, which comprises a rack. This inner tube knockout core machine is used in hydraulic pressure pipe production, the negative pressure chamber that continues to set up through the middle part of pressing from both sides the mould hole and with the air bleed motor, the solenoid valve cooperation installation, and at the intermittent type and crisscross work of air bleed motor and solenoid valve, make the air pressure in the negative pressure chamber constantly change, thereby make the rubber tube expansion flexible be the state of beating, and then make the high-pressure medium between rubber core and the rubber tube can pump to give deeper depth, promote the charging efficiency of high-pressure medium, and at the slide of movable mounting, under the effect that the hydraulic pump fills high-pressure medium, the deformation bag inflation, support and push the telescope tube and shift up, drive the slide and shift up, thereby make the slide promote the rubber tube and have upwards uplift effect, the negative pressure that air bleed motor work produced, under the combined action of filling high-pressure medium, produce the gap more easily, the gap.)

1. The utility model provides a hydraulic pressure pipe production is with inner tube knockout core machine, includes frame (1), the middle part fixed mounting of frame (1) front upper portion has hydraulic pump (2), the both sides fixed mounting of frame (1) upper surface has support (3), the both sides face fixed mounting of support (3) has force pump (4), the centre of support (3) just with force pump (4) fixed mounting press from both sides mould (5), hydraulic pump (2) are connected with input tube (6), its characterized in that with pressing from both sides mould (5): negative pressure chamber (7) have been seted up at the middle part of pressing from both sides mould (5) hole, the middle part of pressing from both sides mould (5) one side and having seted up air exhaust (8) with negative pressure chamber (7) intercommunication, the middle part of pressing from both sides mould (5) opposite side and having seted up intake duct (9) with negative pressure chamber (7) intercommunication, the last fixed surface of support (3) one side installs air exhaust motor (10), the last fixed surface of support (3) opposite side installs solenoid valve (11), air exhaust motor (10) and air exhaust (8) union coupling, solenoid valve (11) and intake duct (9) union coupling.

2. The inner pipe core stripper for hydraulic pipe production according to claim 1, characterized in that: the lower part movable mounting in negative pressure chamber (7) has slide (12), the lower fixed surface of slide (12) installs spring (13), the inside fixed mounting that the lower surface of slide (12) just is located spring (13) has telescopic sleeve (14), the inner chamber fixed mounting of telescopic sleeve (14) has deformation bag (15), the bottom of deformation bag (15) just runs through clamp die (5) and has seted up filling hole (16), be connected with between filling hole (16) and hydraulic pump (2) filling pipe (17).

3. The inner pipe core stripper for hydraulic pipe production according to claim 1, characterized in that: the front of frame (1) just is located the below fixed mounting who presss from both sides mould (5) and has mount (18), the middle part movable sleeve of mount (18) is equipped with and rotates and presss from both sides cover (19), the upper portion screw thread that rotates and press from both sides cover (19) both ends is installed bolt (20), the internal fixed surface of mount (18) installs fixed plate (21), the external fixed surface that rotates and presss from both sides cover (19) installs rotor plate (22), fixed plate (21) and the outer lane fixed mounting of rotor plate (22) have sealing plug (23), inlet port (24) have been seted up to the upper portion of air exhaust motor (10) and the one side that is located fixed plate (21), venthole (25) have been seted up to the upper portion of mount (18) and the opposite side that is located fixed plate (21), inlet port (24) and air exhaust motor (10).

4. The inner pipe core stripper for hydraulic pipe production according to claim 2, characterized in that: one side of the sliding plate (12) can be tightly pressed with the hydraulic pipe after being clamped by the clamping die (5).

5. The inner pipe core stripper for hydraulic pipe production according to claim 1, characterized in that: the air exhaust motor (10) and the electromagnetic valve (11) are alternately and intermittently opened, and the electromagnetic valve (11) is closed when the clamping die (5) works for air exhaust.

Technical Field

The invention relates to the technical field of steel pipe forming equipment, in particular to an inner pipe depoling machine for hydraulic pipe production.

Background

In recent years, with the continuous development of industries such as automobiles, petroleum, coal mines, chemical engineering, machinery and the like, the application of steel wire woven rubber tubes is increasingly wide, at present, the process method for producing the steel wire woven rubber tube mainly comprises a coreless method, a hard core method and a soft core method, the coreless method is usually unstable in size, and the adhesion between a rubber material and a steel wire layer is poor so as to be gradually eliminated, and in the manufacturing process of the cored method, the rubber core needs to be extracted, and a core removing machine is needed to solve the problem.

The existing inner pipe core stripper for producing the hydraulic pipe is characterized in that a hydraulic pipe needing core stripping is fixedly arranged on the core stripper through a clamping die, a hydraulic pump is used for conveying a high-pressure medium into a gap between a rubber core and a rubber pipe, the rubber pipe is radially expanded by the high-pressure medium to separate the rubber pipe from the rubber core, and after separation, the rubber core is clamped and curled, so that the rubber core is pulled out of the rubber pipe.

In the use process of the hydraulic pipe core stripper, the rubber core and the rubber pipe are tightly attached and need to be fixed through the clamping die, so that the rubber core and the rubber pipe are more compact, a high-pressure medium is more difficult to reach the rear end through the clamping die, the required time is longer, and the core stripping efficiency is poor.

Disclosure of Invention

The invention provides an inner pipe core stripper for hydraulic pipe production, which has the advantages of higher injection speed of a high-pressure medium and high working efficiency of equipment and solves the problem of lower injection speed of the high-pressure medium.

The invention provides the following technical scheme: the utility model provides an inner tube knockout core machine for hydraulic line production, includes the frame, the positive upper portion's of frame middle part fixed mounting has the hydraulic pump, the both sides fixed mounting of frame upper surface has the support, the both sides face fixed mounting of support has the force pump, the centre of support and with force pump fixed mounting have the die that presss from both sides, the hydraulic pump is connected with the input tube with pressing from both sides the die, negative pressure chamber has been seted up to the middle part of pressing from both sides the die hole, the middle part of pressing from both sides die one side and having seted up the exhaust passage with negative pressure chamber intercommunication, the middle part of pressing from both sides the die opposite side and having seted up the intake duct with negative pressure chamber intercommunication, the last fixed surface of support one side installs air exhaust motor, the last fixed surface of support opposite side installs the solenoid valve, air exhaust motor and.

Preferably, the lower part movable mounting in negative pressure chamber has the slide, the fixed spring that is equipped with of lower surface of slide, the lower surface of slide and the inside fixed mounting that is located the spring have the telescope tube, the inner chamber fixed mounting of telescope tube has the deformation bag, the bottom of deformation bag just runs through the clamp mould and has seted up the injection hole, be connected with the filling pipe between injection hole and the hydraulic pump.

Preferably, the front of frame just is located the below fixed mounting who presss from both sides the mould and has the mount, the middle part movable sleeve of mount has the rotation to press from both sides the cover, the bolt is installed to the upper portion screw thread that rotates the cover both ends, the internal surface fixed mounting of mount has the fixed plate, the external fixed surface who rotates the cover and installs the rotor plate, the outer lane fixed mounting of fixed plate and rotor plate has the sealing plug, the upper portion of air suction motor just is located one side of fixed plate and has seted up the inlet port, the upper portion of mount just is located the opposite side of fixed plate and has seted up the venthole, the inlet port is connected with air suction motor.

Preferably, one side of the sliding plate can be pressed with the hydraulic pipe after the clamping die is clamped.

Preferably, the air exhaust motor and the electromagnetic valve are alternately and intermittently opened, and the electromagnetic valve is closed when the clamping die works for air exhaust.

The invention has the following beneficial effects:

1. the inner tube core stripper for the production of the hydraulic tube is characterized in that a negative pressure cavity which is continuously arranged in the middle of an inner hole of a clamping die is matched with an air suction motor and an electromagnetic valve, the air pressure in the negative pressure cavity is continuously changed by intermittent and staggered work of the air suction motor and the electromagnetic valve, so that a rubber tube expands and stretches to be in a jumping state, a high-pressure medium between a rubber core and the rubber tube can be pumped to a deeper position, the filling efficiency of the high-pressure medium is improved, the deformed bag expands under the action of the high-pressure medium filled into a hydraulic pump by a movably arranged sliding plate, the sliding plate is pushed to move upwards to drive the sliding plate to move upwards, so that the sliding plate pushes the rubber tube to have an upwards bulging effect, the negative pressure generated by the work of the air suction motor is more easy to generate gaps under the combined action of the high-pressure medium filled into the hydraulic pump, the overall working efficiency of the equipment is improved.

2. This inner tube knockout core machine is used in hydraulic pressure pipe production, through union coupling's inlet port and air exhaust motor for air exhaust motor pours into the negative pressure intracavity exhaust air into between rotor plate and the fixed plate, and air pressure constantly increases, and it can be rotatory to rotate the cover that presss from both sides, drives to rotate the hydraulic pressure pipe rotation through bolt centre gripping in the cover and screws up the attenuate, makes the high pressure medium that fills in further fill fast under the rotation of bolt, and the gluey core after the rotation is lighter in the follow-up process of taking out, further improve equipment's knockout core efficiency.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a front sectional view of a rotating collet according to the present invention;

fig. 5 is a schematic side sectional view of a rotary jacket according to the present invention.

In the figure: 1. a frame; 2. a hydraulic pump; 3. a support; 4. a pressure pump; 5. clamping a mold; 6. an input tube; 7. a negative pressure chamber; 8. an air exhaust passage; 9. an air inlet channel; 10. an air extraction motor; 11. an electromagnetic valve; 12. a slide plate; 13. a spring; 14. a telescopic sleeve; 15. a deformation capsule; 16. an injection hole; 17. an injection pipe; 18. a fixed mount; 19. rotating the jacket; 20. a bolt; 21. a fixing plate; 22. a rotating plate; 23. a sealing plug; 24. an air inlet; 25. and an air outlet.

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. 1-5, an inner tube core stripper for hydraulic tube production comprises a frame 1, a hydraulic pump 2 is fixedly mounted in the middle of the upper portion of the front surface of the frame 1, supports 3 are fixedly mounted on two sides of the upper surface of the frame 1, pressure pumps 4 are fixedly mounted on two side surfaces of the supports 3, a clamping die 5 is fixedly mounted in the middle of each support 3 and is fixedly mounted with the pressure pumps 4, the hydraulic pump 2 is connected with the clamping die 5 through an input tube 6, a negative pressure cavity 7 is formed in the middle of an inner hole of the clamping die 5, an air suction channel 8 is formed in the middle of one side of the clamping die 5 and is communicated with the negative pressure cavity 7, an air inlet channel 9 is formed in the middle of the other side of the clamping die 5 and is communicated with the negative pressure cavity 7, an air suction motor 10 is fixedly mounted on the upper surface of one side of the frame 3, an electromagnetic.

Wherein, the lower part of the negative pressure cavity 7 is movably provided with a sliding plate 12, the lower surface of the sliding plate 12 is fixedly provided with a spring 13, the lower surface of the sliding plate 12 and the inner part of the spring 13 are fixedly provided with a telescopic sleeve 14, the inner cavity of the telescopic sleeve 14 is fixedly provided with a deformation bag 15, the bottom of the deformation bag 15 penetrates through the clamping die 5 and is provided with an injection hole 16, an injection pipe 17 is connected between the injection hole 16 and the hydraulic pump 2, the deformation bag 15 expands under the action of high-pressure medium filled in the hydraulic pump 2 to push the telescopic sleeve 14 to move upwards and drive the sliding plate 12 to move upwards, so that the sliding plate 12 pushes the rubber pipe to have an upward bulging effect, the negative pressure generated by the work of the air suction motor 10 is easier to generate gaps under the combined action of the high-pressure medium filled in, the generated gaps are larger, the negative pressure expansion degree is, the equipment depoling efficiency is promoted.

Wherein, a fixed mount 18 is fixedly arranged on the front surface of the frame 1 and below the clamping die 5, a rotating jacket 19 is movably sleeved in the middle of the fixed mount 18, bolts 20 are arranged on the upper parts of the two ends of the rotating jacket 19 in a threaded manner, a fixed plate 21 is fixedly arranged on the inner surface of the fixed mount 18, a rotating plate 22 is fixedly arranged on the outer surface of the rotating jacket 19, a sealing plug 23 is fixedly arranged on the outer rings of the fixed plate 21 and the rotating plate 22, an air inlet 24 is arranged on one side of the fixed plate 21 and on the upper part of the air-extracting motor 10, an air outlet 25 is arranged on the other side of the fixed plate 21 and on the upper part of the fixed mount 18, the air inlet 24 is connected with the air-extracting motor 10 through a pipe, the air inlet 24 connected with the air-extracting motor 10 through a pipe enables the air, the rotating jacket 19 can rotate to drive the hydraulic pipe clamped by the bolt 20 in the rotating jacket 19 to rotate and screw down to become thin, so that the charged high-pressure medium is further filled quickly under the rotation of the bolt 20, and the core removing efficiency of the equipment is further improved.

After the clamping die 5 is clamped, one side of the sliding plate 12 can be pressed against the hydraulic pipe, and the sliding plate 12 is in pressing contact with the hydraulic pipe, so that the displaced sliding plate 12 can push the rubber pipe of the hydraulic pipe to bulge, and the injection efficiency of a high-pressure medium is improved.

Wherein, the crisscross intermittent type formula of air exhaust motor 10 and solenoid valve 11 is opened, and solenoid valve 11 closes the valve when pressing from both sides 5 work bleeds, through the intermittent type formula and the crisscross work of air exhaust motor 10 and solenoid valve 11 for the air pressure in the negative pressure chamber 7 constantly changes, thereby makes the rubber tube expansion flexible be the state of beating, and then makes the high-pressure medium between gluey core and the rubber tube can pump to give deeper depth, promotes the charging efficiency of high-pressure medium, improve equipment's whole work efficiency.

The working principle of the inner pipe core stripper for producing the hydraulic pipe is as follows:

the hydraulic pipe is clamped and fixed through a clamping die 5, a part of protruding rubber core is clamped in a rotating jacket 19 through a bolt 20, a hydraulic pump 2 works to pump a high-pressure medium into a gap between the rubber pipe and the rubber core and the inside of a deformation bag 15, a sliding plate 12 moves to push the rubber pipe to bulge in the clamping die 5, an air suction motor 10 works to enable a negative pressure to be generated in a negative pressure cavity 7, the rubber pipe is further expanded, more high-pressure medium is pumped, the air suction motor 10 stops working, an electromagnetic valve 11 is opened, the negative pressure cavity 7 recovers to the normal pressure and shrinks under the elastic action of the rubber pipe to extrude the high-pressure medium in the gap, so that the high-pressure medium is pumped to a deeper part, the air suction motor 10 and the electromagnetic valve 11 work in a reciprocating mode, the high-pressure medium is continuously pumped, air exhausted by the air suction motor 10 is injected into an inner cavity of a fixed frame 18 and, the sealing plug 23 drives the rotating jacket 19 to rotate, so that the fixed rubber core in the rotating jacket 19 is driven to be twisted and thinned, the rotated rubber core is more simply extracted, and after the gap between the rubber core and the rubber pipe is filled with a high-pressure medium, the bolt 20 is loosened and the rubber core and the rubber pipe are extracted.

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.