Automatic centering and clamping method and device for steel wire reinforced hydraulic rubber pipe

Abstract

The invention relates to the technical field of rubber hose production, and discloses an automatic centering clamping method and device for a steel wire reinforced hydraulic rubber hose, the device comprises a wedge-shaped cylinder, the outer wall of the wedge-shaped cylinder is installed in a clamp main body through a fixing screw, and the outer wall of the wedge-shaped cylinder is slidably connected with a sliding sleeve; a plurality of elastic clamping blocks are symmetrically installed in the wedge-shaped barrel, and a plurality of outer conical petals are arranged in the wedge-shaped barrel. The handle is pulled to rotate in the clockwise direction, then the eccentric wheel is driven to enable the transmission pin to rotate on the fixing plate, the sliding sleeve is pushed to slide on the wedge-shaped barrel, the inner conical hole face of the sliding sleeve is attached to the outer conical petals in the wedge-shaped barrel, the conical petals in the wedge-shaped barrel are folded, and therefore the rubber pipe is clamped. The rubber pipe is extruded in the symmetrical direction through the multiple elastic clamping blocks, so that the rubber pipe is automatically centered and clamped.

Description

Technical Field

[0001] The invention relates to the technical field of hose production, in particular to an automatic centering and clamping method and device for a steel wire reinforced hydraulic hose. Background Art

[0002] Wire reinforced hydraulic hose is generally composed of three parts: inner rubber layer, fiber reinforcement layer and outer rubber layer. The inner rubber layer is in contact with the fluid medium, and its main function is to isolate the medium; the fiber reinforcement layer is composed of reinforced fibers, and its main function is to bear load capacity; the outer rubber layer is the outer surface layer of the hose, and its function is to protect the hose from loss due to external environmental factors.

[0003] The production process of wire reinforced hydraulic hose is generally to arrange the nylon core, extrude the inner rubber layer, weave (wind) the steel wire layer, wrap the outer rubber layer, and vulcanize. Among them, the steel wire winding, coil vulcanization and coil packaging are the main factors that cause the hose body to bend.

[0004] The assembly of the hose assembly is to insert the outer diameter of the joint into the inner hole of the hose, and then insert the outer diameter of the hose into the inner hole of the sleeve, and then apply circumferential pressure to the sleeve on the crimping machine so that the joint, hose and sleeve are all plastically deformed and connected into a stable and reliable component. Only then can the hose assembly function normally.

[0005] Due to the natural curvature of the hose body and the difference in the outer diameter of the hose, the height of the center of the hose cannot be consistent with the center of the positioning hole when it is placed in the positioning hole in front of the crimping machine; the joint and the sleeve, as precision parts, can ensure that their centers coincide with the center of the positioning hole, which leads to inconsistent centers during the connection of the joint and the sleeve with the hose; when the centers of the hose, joint and sleeve are inconsistent, manually adjusting the positional relationship between the three increases the complexity of the process operation and reduces production efficiency and process quality. That is, the positioning of the hose in the assembly process is not guaranteed by technical means, but by the operator's experience and repeated debugging. Therefore, there is randomness and uncertainty in the size and precision of the hose assembly, which is a process problem that plagues each hose assembly process. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides an automatic centering and clamping method and device for a wire-reinforced hydraulic hose, which solves the problem of misalignment between the center of the hose and the joint and sleeve due to the bending and size differences of the hose during assembly.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic centering clamping device for a wire-reinforced hydraulic hose, comprising a wedge-shaped cylinder, the outer wall of which is mounted inside a clamp body by means of fixing screws, the outer wall of which is slidably connected to a sliding sleeve, a plurality of elastic clamping blocks being symmetrically mounted inside the wedge-shaped cylinder, and a plurality of outer conical petals being arranged inside the wedge-shaped cylinder.

[0008] Preferably, spring fixing pins are symmetrically mounted on the outer wall of the sliding sleeve.

[0009] Preferably, a tension spring is fixedly connected to the outer wall of the spring fixing pin, and one end of the tension spring is fixedly connected to the outer wall of the clamp body.

[0010] Preferably, a fixing plate is fixedly connected to one side of the outer wall of the clamp body.

[0011] Preferably, a transmission pin is rotatably connected inside the fixing plate.

[0012] Preferably, an eccentric wheel is fixedly connected to the outer wall of the transmission pin, and the outer wall of the eccentric wheel is slidably connected to the outer wall of the sliding sleeve.

[0013] Preferably, a handle is fixedly connected to the interior of the eccentric wheel.

[0014] An automatic centering and clamping method for a steel wire reinforced hydraulic hose comprises the following steps;

[0015] S1. The eccentric wheel drives the transmission pin to rotate by holding the handle in a counterclockwise direction, so that the displacement constraint between the eccentric wheel and the sliding sleeve is released, and the spring fixing pin is pulled by the tension spring to drive the sliding sleeve to move, so that the sliding sleeve slides on the wedge-shaped cylinder. The movement of the sliding sleeve loosens the multiple outer conical petals in the wedge-shaped cylinder, so that the internal diameter increases, and then the rubber hose moves inside and is pulled out from one end;

[0016] S2. When the hose is pulled out to a specified length, the handle is pulled and rotated clockwise, thereby driving the eccentric wheel to rotate the transmission pin on the fixed plate, thereby pushing the sliding sleeve to move;

[0017] S3, the sliding sleeve slides on the wedge-shaped cylinder, so that the inner conical hole surface of the sliding sleeve fits with the outer conical petals in the wedge-shaped cylinder, so that the multiple conical petals inside the wedge-shaped cylinder are closed, so as to clamp the hose, and the hose is squeezed in the symmetrical direction by multiple elastic clamping blocks, so that the hose can achieve the effect of automatic centering and clamping;

[0018] S3. After the hose is assembled, turn the handle counterclockwise to drive the eccentric wheel to move, so that the sliding sleeve moves and the wedge-shaped cylinder releases the clamping of the hose.

[0019] The present invention provides an automatic centering and clamping method and device for a steel wire reinforced hydraulic hose, which has the following beneficial effects:

[0020] 1. The present invention pulls the handle to rotate in the clockwise direction, thereby driving the eccentric wheel to rotate the transmission pin on the fixed plate, and then pushing the sliding sleeve to slide on the wedge-shaped cylinder, so that the inner tapered hole surface of the sliding sleeve fits with the outer tapered petals in the wedge-shaped cylinder, so that the multiple tapered petals inside the wedge-shaped cylinder are closed, thereby clamping the hose, and the hose is squeezed in the symmetrical direction by multiple elastic clamping blocks, so that the hose can achieve the effect of automatic centering and clamping.

[0021] 2. The present invention rotates the handle counterclockwise to make the eccentric wheel drive the transmission pin to rotate, so that the displacement constraint between the eccentric wheel and the sliding sleeve is released, and the sliding sleeve is driven to move by pulling the spring fixing pin through the tension spring, thereby achieving the resetting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 A top view of the present invention;

[0024] Figure 3 It is a schematic diagram of the clamp body of the present invention;

[0025] Figure 4 It is a schematic diagram of the interior of the wedge-shaped cylinder of the present invention;

[0026] Figure 5 It is a schematic diagram of the eccentric wheel of the present invention;

[0027] Figure 6 It is a schematic diagram of the sliding sleeve of the present invention.

[0028] Among them, 1. tension spring; 2. spring fixing pin; 3. sliding sleeve; 4. wedge-shaped cylinder; 5. elastic clamping block; 6. eccentric wheel; 7. handle; 8. transmission pin; 9. fixing plate; 10. fixing screw; 11. clamp body. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not 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.

[0030] Please see attached Figure 1 -Attached Figure 6The embodiment of the present invention provides an automatic centering clamping device for a steel wire reinforced hydraulic hose, comprising a wedge-shaped cylinder 4, the outer wall of which is mounted inside a clamp body 11 by means of a fixing screw 10, a sliding sleeve 3 is slidably connected to the outer wall of the wedge-shaped cylinder 4, a plurality of elastic clamping blocks 5 are symmetrically mounted inside the wedge-shaped cylinder 4, and a plurality of outer conical petals are arranged inside the wedge-shaped cylinder 4;

[0031] Specifically, the outer wall of the wedge-shaped tube 4 is fixed to the inside of the clamp body 11 by fixing screws 10, ensuring that the center line of the wedge-shaped tube 4 is parallel to the fixed base surface of the clamp body 11, and the sliding sleeve 3 slides on the wedge-shaped tube 4, thereby achieving the effect of controlling the loosening and closing of the outer conical petals in the wedge-shaped tube 4, and the hose is squeezed by multiple elastic clamping blocks 5 to achieve automatic centering of the hose.

[0032] The outer wall of the sliding sleeve 3 is symmetrically mounted with a spring fixing pin 2; the outer wall of the spring fixing pin 2 is fixedly connected with a tension spring 1, and one end of the tension spring 1 is fixedly connected to the outer wall of the clamp body 11;

[0033] Specifically, the sliding sleeve 3 slides on the wedge-shaped cylinder 4, thereby driving the spring fixing pin 2 to move, thereby pulling the tension spring 1, and then pulling the spring fixing pin 2 through 1 to move, thereby driving the sliding sleeve 3 to slide on the wedge-shaped cylinder 4, thereby achieving the effect of resetting the sliding sleeve 3.

[0034] A fixed plate 9 is fixedly connected to one side of the outer wall of the clamp body 11; a driving pin 8 is rotatably connected to the inside of the fixed plate 9; an eccentric wheel 6 is fixedly connected to the outer wall of the driving pin 8, and the outer wall of the eccentric wheel 6 is slidably connected to the outer wall of the sliding sleeve 3; a handle 7 is fixedly connected to the inside of the eccentric wheel 6;

[0035] Specifically, by pulling the handle 7 to move, the handle 7 drives the eccentric wheel 6 to move, and the eccentric wheel 6 drives the transmission pin 8 to rotate, and the transmission pin 8 rotates on the fixed plate 9. The movement of the eccentric wheel 6 pushes the sliding sleeve 3 to slide on the wedge cylinder 4.

[0036] An automatic centering and clamping method for a steel wire reinforced hydraulic hose comprises the following steps;

[0037] S1. The handle 7 is rotated counterclockwise to make the eccentric wheel 6 drive the transmission pin 8 to rotate, so that the displacement constraint between the eccentric wheel 6 and the sliding sleeve 3 is released, and the spring fixing pin 2 is pulled by the tension spring 1 to drive the sliding sleeve 3 to move, so that the sliding sleeve 3 slides on the wedge-shaped tube 4. The movement of the sliding sleeve 3 loosens the multiple outer conical petals in the wedge-shaped tube 4, so that the internal diameter increases, and then the rubber hose moves inside and is pulled out from one end;

[0038] S2. When the hose is pulled out to a specified length, the handle 7 is pulled to rotate clockwise, thereby driving the eccentric wheel 6 to rotate the transmission pin 8 on the fixed plate 9, thereby pushing the sliding sleeve 3 to move;

[0039] S3, the sliding sleeve 3 slides on the wedge-shaped cylinder 4, so that the inner conical hole surface of the sliding sleeve 3 fits with the outer conical petals in the wedge-shaped cylinder 4, so that the multiple conical petals inside the wedge-shaped cylinder 4 are closed, so that the hose is clamped, and the hose is squeezed in the symmetrical direction by multiple elastic clamping blocks 5, so that the hose can achieve the effect of automatic centering and clamping;

[0040] S3. After the hose is assembled, the handle 7 is rotated counterclockwise to drive the eccentric wheel 6 to move, so that the sliding sleeve 3 moves and the wedge-shaped cylinder 4 releases the clamping of the hose.

[0041] Working principle: First, hold the handle 7 and rotate it counterclockwise to make the eccentric wheel 6 drive the transmission pin 8 to rotate, so that the displacement constraint between the eccentric wheel 6 and the sliding sleeve 3 is released, and the spring fixing pin 2 is pulled by the tension spring 1 to drive the sliding sleeve 3 to move, so that the sliding sleeve 3 slides on the wedge-shaped cylinder 4, and the multiple outer conical petals in the wedge-shaped cylinder 4 are loosened by the movement of the sliding sleeve 3, so that the internal diameter is increased, and the rubber hose is inserted into the interior of 4, and then the rubber hose is moved inside and pulled out from one end. When the rubber hose is pulled out to a specified length, the handle 7 is pulled and rotated clockwise, thereby driving the eccentric wheel 6 to make the transmission pin 8 rotate on the fixed plate 9, and then pushing the sliding sleeve 3 to move, and the sliding sleeve 3 slides on the wedge-shaped cylinder 4 through the movement of the sliding sleeve 3, so that the inner conical hole surface of the sliding sleeve 3 is fitted with the outer conical petals in the wedge-shaped cylinder 4, so that the multiple conical petals inside the wedge-shaped cylinder 4 are closed, thereby clamping the rubber hose, and the rubber hose is squeezed in the symmetrical direction by multiple elastic clamping blocks 5, so that the rubber hose can achieve the effect of automatic centering and clamping.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic centering clamping device for a wire-reinforced hydraulic hose, comprising a wedge-shaped cylinder (4), characterized in that: The outer wall of the wedge-shaped cylinder (4) is mounted inside the clamp body (11) via a fixing screw (10); the outer wall of the wedge-shaped cylinder (4) is slidably connected to a sliding sleeve (3); a plurality of elastic clamping blocks (5) are symmetrically mounted inside the wedge-shaped cylinder (4); and a plurality of outer conical petals are arranged inside the wedge-shaped cylinder (4).

2. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 1, characterized in that: The outer wall of the sliding sleeve (3) is symmetrically mounted with spring fixing pins (2).

3. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 2, characterized in that: The outer wall of the spring fixing pin (2) is fixedly connected to a tension spring (1), and one end of the tension spring (1) is fixedly connected to the outer wall of the clamp body (11).

4. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 3, characterized in that: A fixing plate (9) is fixedly connected to one side of the outer wall of the clamp body (11).

5. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 4, characterized in that: The interior of the fixed plate (9) is rotatably connected with a transmission pin (8).

6. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 5, characterized in that: The outer wall of the transmission pin (8) is fixedly connected to an eccentric wheel (6), and the outer wall of the eccentric wheel (6) is slidably connected to the outer wall of the sliding sleeve (3).

7. The automatic centering clamping device for a steel wire reinforced hydraulic hose according to claim 6, characterized in that: A handle (7) is fixedly connected inside the eccentric wheel (6).

8. An automatic centering and clamping method for a steel wire reinforced hydraulic hose, according to an automatic centering and clamping device for a steel wire reinforced hydraulic hose according to any one of claims 1 to 7, characterized in that: The steps include: S1. The handle (7) is rotated counterclockwise to cause the eccentric wheel (6) to drive the transmission pin (8) to rotate, thereby releasing the displacement constraint between the eccentric wheel (6) and the sliding sleeve (3). The spring fixing pin (2) is pulled by the tension spring (1) to drive the sliding sleeve (3) to move, thereby causing the sliding sleeve (3) to slide on the wedge-shaped cylinder (4). The movement of the sliding sleeve (3) causes the multiple outer conical petals in the wedge-shaped cylinder (4) to be loosened, thereby increasing the internal diameter, and thereby causing the rubber hose to move inside and be drawn out from one end. S2. When the hose is pulled out to a specified length, the handle (7) is pulled to rotate clockwise, thereby driving the eccentric wheel (6) to rotate the transmission pin (8) on the fixed plate (9), thereby pushing the sliding sleeve (3) to move; S3, the sliding sleeve (3) slides on the wedge-shaped cylinder (4) so ​​that the inner conical hole surface of the sliding sleeve (3) fits with the outer conical petals in the wedge-shaped cylinder (4), so that the multiple conical petals inside the wedge-shaped cylinder (4) are closed, thereby clamping the rubber hose, and the rubber hose is squeezed in a symmetrical direction by multiple elastic clamping blocks (5), so that the rubber hose can achieve the effect of automatic centering and clamping; S3. After the hose is assembled, the handle (7) is rotated counterclockwise to drive the eccentric wheel (6) to move, so that the sliding sleeve (3) moves and the wedge-shaped cylinder (4) releases the clamping of the hose.

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