Explosion-proof hydraulic oil pipe and forming device thereof

Abstract

The invention relates to the field of hydraulic oil pipes, and discloses an anti-explosion hydraulic oil pipe and a forming device.The forming device of the anti-explosion hydraulic oil pipe comprises a forming mechanism, an upper demolding mechanism and a lower demolding mechanism, and the forming mechanism comprises a first box body, a second box body, a hydraulic cylinder, a connecting base, an upper mold and a lower mold; the second box body is fixedly installed on the top of the first box body, the hydraulic cylinder is fixedly installed on the top of the second box body, a hydraulic rod of the hydraulic cylinder is fixedly connected with the connecting base, the bottom of the connecting base is fixedly connected with the upper mold, the lower mold is located below the upper mold, and an injection molding pipeline is arranged on the top of the upper mold. The demolding device has the following advantages and effects that after the inner-layer pipe is machined and formed, demolding treatment can be automatically conducted on the inner-layer pipe, manual demolding of workers is not needed, the demolding efficiency is high, and the labor intensity of the workers can be effectively reduced.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic oil pipes, and in particular to an explosion-proof hydraulic oil pipe and a forming device thereof. Background Art

[0002] Hydraulic oil pipes can be divided into hydraulic hard pipes and hydraulic hoses. Among them, hydraulic hard pipes have the advantages of good high pressure resistance, low price, corrosion resistance and good rigidity.

[0003] The hydraulic oil pipe generally includes an inner tube, a reinforcement layer and an outer tube. The inner tube is in direct contact with the hydraulic oil and is generally made of high-pressure resistant and corrosion-resistant materials. The hydraulic oil pipe is generally formed by a mold during molding, and the formed hydraulic oil pipe is easy to adhere to the inside of the mold, which is inconvenient to demold. Manual demolding is required by the staff, which is inconvenient. Therefore, it is necessary to design an explosion-proof hydraulic oil pipe and its molding device to solve the above problems.

[0004] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0005] The purpose of the present invention is to provide an explosion-proof hydraulic oil pipe and a forming device thereof to solve the above problems.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: an explosion-proof hydraulic oil pipe, comprising: The invention comprises an inner tube, a reinforcing layer and an outer tube. The reinforcing layer is installed on the outer side of the inner tube, and the outer tube is installed on the outer side of the reinforcing layer.

[0007] The present invention is further configured as follows: the inner tube is made of nitrile rubber, the reinforcement layer is woven from steel wires, and the outer tube is made of polyurethane.

[0008] A forming device for an explosion-proof hydraulic oil pipe, according to the explosion-proof hydraulic oil pipe described in any of the above items, comprises a forming mechanism and an upper demoulding mechanism and a lower demoulding mechanism, the forming mechanism comprises box body one, box body two, a hydraulic cylinder, a connecting seat, an upper mold and a lower mold, the box body two is fixedly installed on the top of box body one, the hydraulic cylinder is fixedly installed on the top of box body two, the hydraulic rod of the hydraulic cylinder is fixedly connected to the connecting seat, the bottom of the connecting seat is fixedly connected to the upper mold, the lower mold is located below the upper mold, and an injection molding pipe is arranged on the top of the upper mold.

[0009] The present invention is further configured as follows: the upper demoulding mechanism includes an electromagnet 1, an iron block 1, a spring 2, a support seat, an iron block 2, a spring 3, an electromagnet 2, an ejector block 2 and a fixed groove, wherein the electromagnet 1 is fixedly installed inside the connecting seat, the iron block 1 is slidably installed on the connecting seat laterally, the spring 2 is fixedly installed between the iron block 1 and the side wall of the connecting seat, the support seat and the electromagnet 2 are both fixedly installed on the top inner wall of the box body 2, the iron block 2 is slidably installed on the support seat laterally, the spring 3 is fixedly installed between the iron block 2 and the support seat, the ejector block 2 is vertically slidably installed on the box body 2, the iron block 2 is clamped with the ejector block 2, the fixed groove is provided on the ejector block 2, and the iron block 1 is adapted to the fixed groove.

[0010] The present invention is further configured as follows: the lower demoulding mechanism includes a driving motor, a rotating shaft, a connecting rod, an ejection block 1, a trapezoidal block, a spring 1, a supporting cross bar, a sleeve plate, an extrusion block, a screw, a vertical plate, a gear and a toothed plate. The driving motor is fixedly installed on the front side of the box body 1, the output end of the driving motor is fixedly connected to the rotating shaft, the rotating shaft is fixedly connected to the connecting rod, the connecting rod is fixedly connected to the lower mold, the ejection block 1 is vertically slidably installed on the lower mold, the ejection block 1 is fixedly connected to the trapezoidal block, the spring 1 is fixedly installed between the trapezoidal block and the lower mold, the supporting cross bar is fixedly installed on the inner wall of the box body 1, the sleeve plate is laterally slidably installed on the outside of the supporting cross bar, the extrusion block is fixedly installed on the side of the sleeve plate, the screw is rotatably installed on the inner wall of the box body 1, the screw is threadedly connected to the sleeve plate, the vertical plate is fixedly installed on the ejection block 2, the gear is fixedly sleeved on the outside of the screw, the toothed plate is fixedly installed on the vertical plate, and the gear is meshed with the toothed plate.

[0011] The present invention is further configured as follows: a collecting platform is fixedly arranged on the inner wall of the bottom of the box body 1, and the collecting platform is located below the lower mold; a box door 1 is installed on the front side of the box body 1, and a box door 2 is installed on the front side of the box body 2.

[0012] By adopting the above technical solution, the collecting table can carry the hydraulic oil pipe that falls from the lower mold.

[0013] The present invention is further configured as follows: the second ejector block is a T-shaped structure, and the second ejector block is in contact with the top of the second box body.

[0014] By adopting the above technical solution, the ejection block 2 can be limited.

[0015] The present invention is further configured as follows: the number of the lower dies is two.

[0016] The beneficial effects of the present invention are: By utilizing the upper demoulding mechanism, the hydraulic cylinder is started, and the connecting seat drives the upper mold to move upward. The ejector block 2 can resist the hydraulic oil pipe formed in the upper mold to prevent the hydraulic oil pipe from adhering to the upper mold, so that the hydraulic oil pipe is demoulded from the upper mold until the iron block 1 is aligned with the fixed groove. At this time, the spring 2 drives the iron block 1 to move due to its own elastic force, so that the iron block 1 is stuck in the fixed groove, and the electromagnet 2 is started at the same time, so that the iron block 2 is moved out from the ejector block 2, and the limit on the ejector block 2 is released. Then the hydraulic cylinder is started again, and at this time, the iron block 1 can drive the ejector block 2 to move upward synchronously, and the ejector block 2 is moved upward a short distance; By using the lower demoulding mechanism, the driving motor is started to rotate the lower mold by 180 degrees, and then the hydraulic cylinder is started to continue to move the ejector block 2 upward, the ejector block 2 drives the vertical plate upward, the vertical plate drives the tooth plate upward, the tooth plate drives the gear to rotate, the gear drives the screw to rotate, and the screw rotation can make the sleeve plate move laterally until the extrusion block squeezes the trapezoidal block, and the trapezoidal block drives the ejector block 1 to move, so that the ejector block 1 ejects the hydraulic oil pipe formed in the lower mold, so that the hydraulic oil pipe can be automatically demoulded, and manual demoulding is not required, and the demoulding efficiency is high; By using the collection table, the formed hydraulic oil pipes can be automatically collected and processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 and Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 3 It is a structural schematic diagram of the demoulding mechanism part of the present invention; Figure 4 It is a schematic diagram of the structure of the hydraulic oil pipe of the present invention; Figure 5 It is a cross-sectional structural schematic diagram of the present invention; Figure 6 for Figure 5 Schematic diagram of the structure of part A; Figure 7 for Figure 5 A schematic diagram of the structure of part B in FIG. Figure 8 for Figure 5 Schematic diagram of the structure of part C in .

[0019] In the figure, 1, inner tube; 2, reinforcement layer; 3, outer tube; 4, box body 1; 5, box body 2; 6, driving motor; 7, rotating shaft; 8, connecting rod; 9, lower die; 10, ejector block 1; 11, trapezoidal block; 12, spring 1; 13, hydraulic cylinder; 14, connecting seat; 15, upper die; 16, electromagnet 1; 17, iron block 1; 18, spring 2; 19, supporting seat; 20, iron block 2; 21, spring 3; 22, electromagnet 2; 23, ejector block 2; 24, fixing groove; 25, supporting cross bar; 26, sleeve plate; 27, extrusion block; 28, screw; 29, vertical plate; 30, gear; 31, tooth plate; 32, collecting table. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 8 The present invention provides an explosion-proof hydraulic oil pipe, comprising: The invention comprises an inner tube 1 , a reinforcement layer 2 and an outer tube 3 . The reinforcement layer 2 is installed on the outer side of the inner tube 1 , and the outer tube 3 is installed on the outer side of the reinforcement layer 2 .

[0023] Specifically, the inner tube 1 is made of nitrile rubber, the reinforcement layer 2 is woven from steel wire, and the outer tube 3 is made of polyurethane. It should be noted that the reinforcement layer 2 is used to improve the compressive strength and explosion resistance of the oil pipe, so that it can withstand the high-pressure impact in the hydraulic system. The outer tube 3 has the characteristics of wear resistance, aging resistance, and chemical corrosion resistance, which protects the internal structure of the oil pipe from the influence of the external environment, such as wear, ultraviolet radiation, and chemical erosion.

[0024] Specifically, a molding device for an explosion-proof hydraulic oil pipe, according to any of the above-mentioned explosion-proof hydraulic oil pipes, includes a molding mechanism and an upper demolding mechanism and a lower demolding mechanism, the molding mechanism includes a box body 4, a box body 5, a hydraulic cylinder 13, a connecting seat 14, an upper mold 15 and a lower mold 9, the box body 5 is fixedly installed on the top of the box body 4, the hydraulic cylinder 13 is fixedly installed on the top of the box body 5, the hydraulic rod of the hydraulic cylinder 13 is fixedly connected to the connecting seat 14, the bottom of the connecting seat 14 is fixedly connected to the upper mold 15, the lower mold 9 is located below the upper mold 15, and an injection molding pipe is arranged on the top of the upper mold 15.

[0025] Through the above structure, starting the hydraulic cylinder 13 can make the connecting seat 14 drive the upper mold 15 to move downward, so that the upper mold 15 and the lower mold 9 are molded together, and then injection molding is performed through the injection molding pipeline, so that the hydraulic oil pipe is formed between the upper mold 15 and the lower mold 9.

[0026] Specifically, the upper demoulding mechanism includes an electromagnet 16, an iron block 17, a spring 18, a support seat 19, an iron block 20, a spring 3 21, an electromagnet 22, an ejection block 23 and a fixed groove 24. The electromagnet 16 is fixedly installed inside the connecting seat 14, the iron block 17 is laterally slidably installed on the connecting seat 14, the spring 2 18 is fixedly installed between the iron block 17 and the side wall of the connecting seat 14, the support seat 19 and the electromagnet 22 are both fixedly installed on the top inner wall of the box body 5, the iron block 20 is laterally slidably installed on the support seat 19, the spring 3 21 is fixedly installed between the iron block 20 and the support seat 19, the ejection block 23 is vertically slidably installed on the box body 5, the iron block 20 is clamped with the ejection block 23, the fixed groove 24 is provided on the ejection block 23, and the iron block 17 is adapted to the fixed groove 24.

[0027] Through the above structure, when demoulding is required, the hydraulic cylinder 13 is started, and the ejector block 23 can resist the hydraulic oil pipe formed in the upper mold 15 to prevent the hydraulic oil pipe from adhering to the upper mold 15, so that the hydraulic oil pipe is demoulded from the upper mold 15, and the electromagnet 22 is started at the same time, the electromagnet 22 adsorbs the iron block 20, and the iron block 20 stretches the spring 3 21, so that the iron block 20 moves out from the ejector block 23, and the limit on the ejector block 23 is released, and then the hydraulic cylinder 13 is started again, at this time, the iron block 17 can drive the ejector block 23 to move up synchronously, and move the ejector block 23 up a short distance.

[0028] Specifically, the lower demoulding mechanism includes a driving motor 6, a rotating shaft 7, a connecting rod 8, an ejection block 10, a trapezoidal block 11, a spring 12, a supporting cross bar 25, a sleeve plate 26, an extrusion block 27, a screw 28, a vertical plate 29, a gear 30 and a toothed plate 31. The driving motor 6 is fixedly mounted on the front side of the box body 4, the output end of the driving motor 6 is fixedly connected to the rotating shaft 7, the rotating shaft 7 is fixedly connected to the connecting rod 8, the connecting rod 8 is fixedly connected to the lower mold 9, the ejection block 10 is vertically slidably mounted on the lower mold 9, and the ejection block 10 is fixedly connected to the trapezoidal block 11. , spring 12 is fixedly installed between trapezoidal block 11 and lower die 9, support cross bar 25 is fixedly installed on the inner wall of box body 14, sleeve plate 26 is laterally slidably installed on the outer side of support cross bar 25, extrusion block 27 is fixedly installed on the side of sleeve plate 26, screw 28 is rotatably installed on the inner wall of box body 14, screw 28 is threadedly connected with sleeve plate 26, vertical plate 29 is fixedly installed on ejection block 23, gear 30 is fixedly sleeved on the outer side of screw 28, tooth plate 31 is fixedly installed on vertical plate 29, gear 30 is meshed with tooth plate 31.

[0029] Through the above structure, the driving motor 6 is started to rotate the lower mold 9 by 180°, and then the hydraulic cylinder 13 is started again to make the ejection block 23 continue to move upward, the toothed plate 31 drives the gear 30 to rotate, and the gear 30 drives the screw 28 to rotate. The rotation of the screw 28 can make the sleeve plate 26 move laterally, and the movement of the sleeve plate 26 drives the extrusion block 27 to move until the extrusion block 27 squeezes the trapezoidal block 11, and the trapezoidal block 11 compresses the spring 12, and the trapezoidal block 11 drives the ejection block 10 to move, so that the ejection block 10 ejects the hydraulic oil pipe formed in the lower mold 9, so that the hydraulic oil pipe can be automatically demolded, and manual demolding is not required, and the demolding efficiency is high.

[0030] Specifically, a collecting platform 32 is fixedly provided on the inner wall at the bottom of box body 1 4, and the collecting platform 32 is located below the lower mold 9. A box door 1 is installed on the front side of box body 1 4, and a box door 2 is installed on the front side of box body 2 5. It should be noted that the collecting platform 32 can carry the hydraulic oil pipe that falls from the lower mold 9, so that the staff can take it out conveniently. By opening the box door 1, the hydraulic oil pipe on the collecting platform 32 can be taken out, and by opening the box door 2, it is convenient to perform injection molding on the interior of the upper mold 15 and the lower mold 9.

[0031] Specifically, the ejector block 23 is a T-shaped structure, and the ejector block 23 contacts the top of the box body 2 5. It should be noted that in this way, the ejector block 23 can be limited. Later, when the iron block 17 moves out of the fixing groove 24, the ejector block 23 can move downward due to its own gravity.

[0032] Specifically, there are two lower molds 9 . It should be noted that the two lower molds 9 can be used alternately.

[0033] Working principle: S1: Start the hydraulic cylinder 13, so that the connecting seat 14 can drive the upper mold 15 to move downward, so that the upper mold 15 and the lower mold 9 are molded, and then injection molding is performed through the injection molding pipeline, so that the hydraulic oil pipe is molded between the upper mold 15 and the lower mold 9; S2: When demoulding is required, the hydraulic cylinder 13 is started, the hydraulic cylinder 13 drives the connecting seat 14 to move upward, the connecting seat 14 drives the upper mold 15 to move upward, the ejector block 23 can resist the hydraulic oil pipe formed in the upper mold 15 to prevent the hydraulic oil pipe from adhering to the upper mold 15, so that the hydraulic oil pipe is demoulded from the upper mold 15, the connecting seat 14 drives the iron block 17 to move upward until the iron block 17 is aligned with the fixing groove 24, and at this time, the spring 2 18 drives the iron block 17 to move upward due to its own elastic force. The block 17 moves, so that the iron block 17 is stuck in the fixed groove 24, and the electromagnet 22 is started at the same time, the electromagnet 22 adsorbs the iron block 20, and the iron block 20 stretches the spring 3 21, so that the iron block 20 moves out from the ejection block 23, and the limit on the ejection block 23 is released, and then the hydraulic cylinder 13 is started again. At this time, the iron block 17 can drive the ejection block 23 to move upward synchronously, and the ejection block 23 moves upward a short distance; S3: Start the driving motor 6, the driving motor 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the connecting rod 8 to rotate, the connecting rod 8 drives the lower mold 9 to rotate, so that the lower mold 9 rotates 180°, and then continue to start the hydraulic cylinder 13, so that the ejection block 23 continues to move upward, the ejection block 23 drives the vertical plate 29 to move upward, the vertical plate 29 drives the tooth plate 31 to move upward, the tooth plate 31 drives the gear 30 to rotate, the gear 30 drives the screw 28 to rotate, the rotation of the screw 28 can make the sleeve plate 26 move laterally, the movement of the sleeve plate 26 drives the extrusion block 27 to move, until the extrusion block 27 squeezes the trapezoidal block 11, the trapezoidal block 11 compresses the spring 12, the trapezoidal block 11 drives the ejection block 10 to move, so that the ejection block 10 ejects the hydraulic oil pipe formed in the lower mold 9, so that the hydraulic oil pipe can be automatically demoulded, no manual demoulding is required, and the demoulding efficiency is high.

[0034] The above is a detailed introduction to an explosion-proof hydraulic oil pipe and its forming device provided by the present invention. This article uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. An explosion-proof hydraulic oil pipe, characterized in that: include: The invention comprises an inner tube (1), a reinforcement layer (2) and an outer tube (3), wherein the reinforcement layer (2) is installed on the outer side of the inner tube (1), and the outer tube (3) is installed on the outer side of the reinforcement layer (2).

2. The explosion-proof hydraulic oil pipe according to claim 1, characterized in that: The inner layer tube (1) is made of nitrile rubber, the reinforcement layer (2) is woven from steel wires, and the outer layer tube (3) is made of polyurethane.

3. A forming device for an explosion-proof hydraulic oil pipe, according to any one of claims 1-2, characterized in that: The invention comprises a molding mechanism, an upper demoulding mechanism and a lower demoulding mechanism, wherein the molding mechanism comprises a box body 1 (4), a box body 2 (5), a hydraulic cylinder (13), a connecting seat (14), an upper mold (15) and a lower mold (9), wherein the box body 2 (5) is fixedly mounted on the top of the box body 1 (4), the hydraulic cylinder (13) is fixedly mounted on the top of the box body 2 (5), the hydraulic rod of the hydraulic cylinder (13) is fixedly connected to the connecting seat (14), the bottom of the connecting seat (14) is fixedly connected to the upper mold (15), the lower mold (9) is located below the upper mold (15), and an injection molding pipeline is arranged on the top of the upper mold (15).

4. The forming device of explosion-proof hydraulic oil pipe according to claim 3, characterized in that: The upper demoulding mechanism comprises an electromagnet 1 (16), an iron block 1 (17), a spring 2 (18), a support seat (19), an iron block 2 (20), a spring 3 (21), an electromagnet 2 (22), an ejection block 2 (23) and a fixing groove (24), wherein the electromagnet 1 (16) is fixedly mounted inside the connecting seat (14), the iron block 1 (17) is laterally slidably mounted on the connecting seat (14), the spring 2 (18) is fixedly mounted between the iron block 1 (17) and the side wall of the connecting seat (14), and the supporting member (19) is provided with a plurality of springs. The seat (19) and the second electromagnet (22) are both fixedly mounted on the top inner wall of the second box body (5), the second iron block (20) is slidably mounted on the support seat (19) horizontally, the third spring (21) is fixedly mounted between the second iron block (20) and the support seat (19), the second ejection block (23) is slidably mounted on the second box body (5), the second iron block (20) is clamped with the second ejection block (23), the fixing groove (24) is formed on the second ejection block (23), and the first iron block (17) is matched with the fixing groove (24).

5. The explosion-proof hydraulic oil pipe forming device according to claim 3, characterized in that: The lower demoulding mechanism comprises a driving motor (6), a rotating shaft (7), a connecting rod (8), an ejector block (10), a trapezoidal block (11), a spring (12), a supporting horizontal bar (25), a sleeve plate (26), an extrusion block (27), a screw rod (28), a vertical plate (29), a gear (30) and a toothed plate (31); the driving motor (6) is fixedly mounted on the front side of the box body (4); the output end of the driving motor (6) is fixedly connected to the rotating shaft (7); the rotating shaft (7) is fixedly connected to the connecting rod (8); the connecting rod (8) is fixedly connected to the lower mold (9); the ejector block (10) is vertically slidably mounted on the lower mold (9); the ejector block (10) is connected to the trapezoidal block (11) The first spring (12) is fixedly mounted between the trapezoidal block (11) and the lower die (9), the support bar (25) is fixedly mounted on the inner wall of the first box body (4), the sleeve plate (26) is laterally slidably mounted on the outer side of the support bar (25), the extrusion block (27) is fixedly mounted on the side of the sleeve plate (26), the screw rod (28) is rotatably mounted on the inner wall of the first box body (4), the screw rod (28) is threadedly connected to the sleeve plate (26), the vertical plate (29) is fixedly mounted on the second ejection block (23), the gear (30) is fixedly sleeved on the outer side of the screw rod (28), the tooth plate (31) is fixedly mounted on the vertical plate (29), and the gear (30) is meshed with the tooth plate (31).

6. The explosion-proof hydraulic oil pipe forming device according to claim 3, characterized in that: A collecting platform (32) is fixedly arranged on the inner wall at the bottom of the box body 1 (4), and the collecting platform (32) is located below the lower mold (9). A box door 1 is installed on the front side of the box body 1 (4), and a box door 2 is installed on the front side of the box body 2 (5).

7. The explosion-proof hydraulic oil pipe forming device according to claim 4, characterized in that: The ejector block 2 (23) is a T-shaped structure, and the ejector block 2 (23) is in contact with the top of the box body 2 (5).

8. The explosion-proof hydraulic oil pipe forming device according to claim 1, characterized in that: The number of the lower dies (9) is two.

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