A hose peeling device

Abstract

This utility model discloses a hose peeling device, relating to the technical field of hose peeling equipment. It includes a positioning component and a mandrel. The positioning component includes a first connecting end and a second connecting end opposite to the first connecting end. The first connecting end is inserted into the rubber hose, so that the outer peripheral wall of the positioning component is in an interference fit with the inner rubber of the rubber hose to support and position the rubber hose. An installation hole is provided on the end face of the second connecting end. The mandrel includes a first fixed end that extends into the installation hole and is rotatably connected to the second connecting end. The first fixed end is used to support the positioning component. When the positioning component or the rubber hose in an interference fit with the outer peripheral wall of the positioning component is subjected to a circumferential rotational force, the positioning component can rotate relative to the mandrel around the axis of the positioning component. This can slow down or even prevent the relative rotation between the positioning component and the rubber hose in an interference fit with the outer peripheral wall of the positioning component, thereby effectively reducing the circumferential friction between the positioning component and the rubber hose and improving the stability of the peeling process.

Description

Technical Field

[0001] This utility model relates to the technical field of hose stripping equipment, and in particular to a hose stripping device. Background Technology

[0002] When installing rubber hoses, a rubber stripper is needed to strip the rubber. Existing rubber strippers require the operator to hold the rubber hose tightly with both hands and slowly insert it into the positioning component, using a blade to cut off the excess rubber.

[0003] Currently, most positioning components are fixed, while the inner wall of the rubber hose is relatively rough. During the rubber stripping operation, the rotation of the blade will cause the rubber hose in contact with the blade to rotate relative to the positioning component or have a tendency to rotate. This results in a large circumferential friction between the positioning component and the inner wall of the rubber hose. On the one hand, this causes severe heat generation during long-term operation, which may damage the inner rubber layer. On the other hand, the circumferential friction during operation will also greatly reduce the service life of the positioning component, requiring frequent replacement, which seriously affects the accuracy and stability of the rubber stripping operation.

[0004] Therefore, how to effectively reduce the circumferential friction between the positioning component and the rubber hose to improve the stability of the rubber peeling process is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this invention is to provide a hose peeling device that effectively reduces circumferential friction between the positioning component and the rubber hose, thereby improving the stability of the peeling process.

[0006] To achieve the above objectives, this utility model provides a hose peeling device, comprising:

[0007] The positioning component includes a first connecting end and a second connecting end opposite to the first connecting end. The first connecting end is used to insert into the rubber hose so that the outer peripheral wall of the positioning component is interference-fitted with the inner rubber of the rubber hose to support and position the rubber hose. The end face of the second connecting end is provided with a mounting hole.

[0008] The mandrel includes a first fixed end that extends into a mounting hole and is rotatably connected to a second connecting end. The first fixed end is used to support the positioning member and enable the positioning member and the mandrel to rotate relative to each other about the axis of the positioning member.

[0009] In one possible implementation, a rotating member is provided between the first fixed end and the second connecting end. The rotating member includes an outer ring and an inner ring that can rotate relative to each other. The outer ring is interference-fitted with the circumferential wall of the mounting hole so that the outer ring is fixed relative to the second connecting end. The inner ring is sleeved on the outer periphery of the first fixed end so that the first fixed end and the second connecting end can rotate relative to each other.

[0010] In one possible implementation, the mandrel further includes a second fixed end opposite to the first fixed end, and a tool mounting part located between the first fixed end and the second fixed end. The tool mounting part has a tool mounting groove for mounting a tool. The second fixed end is used to connect to a rotational power source so that the mandrel can rotate around its own axis to drive the tool to rotate and cut the inner rubber of the rubber hose.

[0011] In one possible implementation, the tool mounting part is further provided with a fixing hole communicating with the tool mounting groove. The fixing hole is used for mounting a fixing member. The fixing member can be screwed into the tool mounting groove along the fixing hole to press the tool against the inner wall surface of the tool mounting groove, so as to fix the tool relative to the mandrel.

[0012] In one possible implementation, the second fixed end is used to connect to the tool holder, which is connected to a rotational power source. The second fixed end is provided with a first pin hole, and the tool holder is provided with a second pin hole corresponding to the first pin hole. A pin passes through the first pin hole and the second pin hole and is fixed relative to the first pin hole and the second pin hole, so that the tool holder drives the second fixed end to rotate synchronously.

[0013] In one possible implementation, the first fixed end is provided with a first shoulder and a groove. The groove is located on the side of the first shoulder away from the second fixed end. The first shoulder is used to abut against one side of the inner ring. An elastic retaining ring is provided in the groove. The elastic retaining ring is used to abut against the other side of the inner ring to axially limit the inner ring.

[0014] In one possible implementation, the mounting hole is a stepped hole, which includes a first hole with a larger cross-sectional diameter and a second hole with a smaller cross-sectional diameter. A second shoulder is formed between the first hole and the second hole. The second shoulder is used to abut against the side of the outer ring facing the first connecting end to restrict the movement of the outer ring toward the first connecting end.

[0015] In one possible implementation, the first connecting end has a tapered surface in the circumferential direction. The tapered surface includes a first end with a smaller cross-sectional diameter and a second end with a larger cross-sectional diameter. The first end is located at the end of the tapered surface opposite to the second connecting end, so as to guide the first connecting end into the rubber hose.

[0016] In one possible implementation, the fixing hole is an internally threaded hole, and the fixing element is a fastening screw with external threads. The fastening screw is threadedly connected to the internally threaded hole, so that the end of the fastening screw facing the tool presses the tool tightly.

[0017] In one possible implementation, the axes of the positioning element and the mandrel are collinear.

[0018] Compared with the prior art, the technical solution provided by this utility model has at least the following beneficial effects:

[0019] The first connecting end of the positioning component is inserted into the rubber hose, so that the outer peripheral wall of the positioning component is in an interference fit with the inner rubber of the rubber hose. This is used to support and position the rubber hose. When the positioning component or the rubber hose in an interference fit with the outer peripheral wall of the positioning component is subjected to a circumferential rotational force, the positioning component can rotate relative to the mandrel around the axis of the positioning component. This can slow down or even prevent the relative rotation between the positioning component and the rubber hose in an interference fit with the outer peripheral wall of the positioning component, thereby effectively reducing the circumferential friction between the positioning component and the rubber hose and improving the stability of the rubber peeling process. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0021] Figure 1 This is a partial cross-sectional view of the hose peeling device provided in an embodiment of the present invention.

[0022] in:

[0023] 100 - Positioning component, 110 - First connecting end, 111 - Conical surface, 120 - Second connecting end, 121 - First hole, 122 - Second hole;

[0024] 200-Mandrel, 210-First fixed end, 211-Elastic retaining ring, 220-Second fixed end, 221-First pin hole, 230-Tool mounting part, 231-Tool mounting groove, 232-Fixing hole;

[0025] 300 - Rotating component, 310 - Outer ring, 320 - Inner ring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] In the description of this utility model, it should be understood that the terms "inner" and "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.

[0029] The purpose of this invention is to provide a hose peeling device that effectively reduces circumferential friction between the positioning component and the rubber hose, thereby improving the stability of the peeling process.

[0030] Please see Figure 1 To achieve the above objectives, this utility model provides a hose peeling device, including a positioning member 100 and a mandrel 200. The positioning member 100 includes a first connecting end 110 and a second connecting end 120 opposite to the first connecting end 110. The first connecting end 110 is used to penetrate into the rubber hose, so that the outer peripheral wall of the positioning member 100 is press-fitted with the inner rubber of the rubber hose to support and position the rubber hose, preventing the rubber hose from deforming or collapsing and thus preventing the peeling process from being impossible. The end face of the second connecting end 120 is provided with a mounting hole. The mandrel 200 includes a part that extends into the mounting hole and is connected to the second connecting end 120. The first fixed end 210 is rotatably connected to the connecting end 120. The axes of the positioning member 100 and the spindle 200 are collinear. The first fixed end 210 is used to support the positioning member 100 and enable the positioning member 100 and the spindle 200 to rotate relative to each other around the axis of the positioning member 100. That is, the position of the positioning member 100 is stabilized by the spindle 200. The first fixed end 210 is rotatably connected to the second connecting end 120 so that the positioning member 100 and the spindle 200 can rotate relative to each other around the rotation axis, which is collinear with the axis of the positioning member 100 and the axis of the spindle 200.

[0031] Understandably, the positioning element 100 enters the rubber hose to center it and support the inner wall of the hose. Typically, a rubber hose consists of an inner rubber layer and an outer rubber layer. The inner rubber layer refers to the rubber lining inside the hose, and the outer rubber layer refers to the rubber covering the hose. Rubber stripping refers to the removal of a portion of both the inner and outer rubber from the end of the rubber hose where it connects to the metal hydraulic connector. This facilitates a secure bond between the metal connector and the hose body. The stripping process usually involves a cutting tool contacting the inner or outer rubber layer of the hose, followed by the cutting tool spiraling forward relative to the hose or vice versa. This cutting process involves the rotation of the cutting tool relative to the hose. When the positioning element 100 is fixed, significant circumferential friction inevitably occurs between the rubber hose in contact with the cutting tool and the positioning element 100, causing mutual wear between the inner wall of the rubber hose and the positioning element 100, ultimately damaging the inner rubber layer of the hose.

[0032] The first connecting end 110 of the positioning member 100 is inserted into the rubber hose, so that the outer peripheral wall of the positioning member 100 is in an interference fit with the inner rubber of the rubber hose, which is used to support and position the rubber hose. The positioning member 100 and the rubber hose are in a stable state relative to the mandrel 200 as a whole. When the positioning member 100 or the rubber hose in an interference fit with the outer peripheral wall of the positioning member 100 is subjected to a circumferential rotational force, the positioning member 100 can rotate around the axis of the positioning member 100 relative to the mandrel 200. This allows the positioning member 100 and the rubber hose to rotate relative to the mandrel 200 as a whole under the action of the circumferential rotational force. In this way, the relative rotation of the positioning member 100 and the rubber hose in an interference fit with the outer peripheral wall of the positioning member 100 can be slowed down or even avoided, thereby effectively reducing the circumferential friction between the positioning member 100 and the rubber hose and improving the stability of the peeling process.

[0033] In one possible implementation, a rotating member 300 is provided between the first fixed end 210 and the second connecting end 120. The rotating member 300 includes an outer ring 310 and an inner ring 320 that can rotate relative to each other. The outer ring 310 is interference-fitted with the circumferential wall of the mounting hole so that the outer ring 310 is relatively fixed to the second connecting end 120. The inner ring 320 is sleeved on the outer periphery of the first fixed end 210 so that the first fixed end 210 and the second connecting end 120 can rotate relative to each other. The rotating member 300 can be, but is not limited to, a bearing. By using a bearing connection, the positioning member 100, which is in contact with the rubber hose, can generate free relative rotation between itself and the cutter. During the rubber peeling operation, the positioning member 100 does not rotate or rotates only slightly with the rubber hose due to the frictional force between it and the rubber hose, reducing wear and improving stability. Specifically, the force required for the relative rotation of the outer ring 310 and the inner ring 320 of the bearing is less than the force required for the relative rotation of the positioning member 100 and the rubber hose, so that when the rubber hose is subjected to a small force, the positioning member 100 can be driven to rotate synchronously relative to the second connecting end 120.

[0034] It is understandable that the blade is not always in contact with the rubber hose. When the blade contacts the rubber hose, it causes the rubber hose and the positioning component 100 to rotate synchronously relative to the second connecting end 120 by a certain amplitude, that is, from the first state to the second state. The rubber hose itself has a certain deformation recovery ability. When the part of the rubber hose that is not in contact with the positioning component 100 is still in the first state, the rubber hose can rotate from the second state to the first state in the opposite direction when the blade is not in contact with the rubber hose. This process can be achieved by manually grasping the part of the rubber hose that is not in contact with the positioning component 100, so that the rubber hose and the positioning component 100 swing back and forth as a whole within a small rotation range during the entire rubber peeling process. This effectively reduces the circumferential friction between the positioning component 100 and the rubber hose, effectively avoids the wear between the inner wall of the rubber hose and the positioning component 100, and effectively improves the phenomenon of damage to the inner rubber of the rubber hose during the rubber peeling process. It can also reduce or even avoid frictional heat generation between the guide device and the inner wall of the rubber hose. In addition, it can also reduce or even avoid the problem of the inner spindle of the rubber peeling machine rotating synchronously when there is only one power output device and the outer rubber peeling operation is also relatively serious.

[0035] In one possible implementation, the mandrel 200 further includes a second fixed end 220 facing away from the first fixed end 210, and a blade mounting portion 230 located between the first fixed end 210 and the second fixed end 220. The blade mounting portion 230 has a blade mounting groove 231 for mounting a blade. When peeling the outer rubber of the rubber hose, no blade is needed in the blade mounting groove 231. When peeling the inner rubber of the rubber hose, a blade suitable for peeling the inner rubber is inserted into the blade mounting groove 231. The distance between the blade tip and the axis of the mandrel 200 is greater than the distance between the outer peripheral surface of the positioning member 100 and the axis of the positioning member 100, so as to ensure that the blade tip can contact the inner rubber of the rubber hose. During this process, the positioning member 100 is centered and guided, and the blade performs the peeling operation. The second fixed end 220 is used to connect to a rotational power source so that the mandrel 200 can rotate around its own axis to drive the blade to rotate and cut the inner rubber of the rubber hose.

[0036] The blade mounting part 230 can be positioned close to the second connecting end 120, so that the distance between the blade and the end face of the second connecting end 120 is closer. This avoids the phenomenon of the rubber hose in contact with the blade becoming flattened or collapsing when the distance between the blade and the end face of the second connecting end 120 is greater. This facilitates the blade to cut the inner rubber of the rubber hose. The positioning part 100 and the mandrel 200 can rotate relative to each other around the rotation axis. When the mandrel 200 rotates around its own axis and drives the blade to rotate, the circumferential friction between the positioning part 100 and the rubber hose can also be effectively reduced. This effectively avoids the inner wall of the rubber hose and the positioning part 100 from wearing each other, and effectively improves the phenomenon of damage to the inner rubber of the rubber hose during the peeling process.

[0037] In one possible implementation, the tool mounting part 230 is further provided with a fixing hole 232 communicating with the tool mounting groove 231. The fixing hole 232 is used for mounting a fastener, which can be screwed into the tool mounting groove 231 along the fixing hole 232 to press the tool against the inner wall surface of the tool mounting groove 231, thereby fixing the tool relative to the mandrel 200. The fixing hole 232 is an internally threaded hole, and the fastener is a fastening screw with external threads. The fastening screw is threaded into the internally threaded hole, so that the end of the fastening screw facing the tool presses the tool against it. The tool can be, but is not limited to, […]. The refurbished stainless steel strip has a blade mounting groove 231, which can be, but is not limited to, a square groove. The extension length of the blade relative to the blade mounting part 230 can be adjusted according to the rubber hose with different inner diameters to perform the corresponding rubber stripping operation. The extension length of the blade relative to the blade mounting part 230 can be adjusted by loosening the fastening screw. After adjustment, the fastening screw can be tightened again. The positioning part 100 can be disassembled relative to the outer ring 310. When performing rubber stripping operation on rubber hoses with different inner diameters, only the positioning part 100 of the corresponding specification needs to be replaced, and the blade does not need to be replaced.

[0038] In one possible implementation, the second fixed end 220 is used to connect to the cutter bar, which is connected to a rotational power source, which may be, but is not limited to, a motor. The cutter bar has a certain length to allow for a large distance between the motor and the positioning member 100 to form a clearance space to avoid the stripped rubber hose and ensure that the cutter can strip a certain length. The second fixed end 220 is provided with a first pin hole 221, and the cutter bar is provided with a second pin hole corresponding to the first pin hole 221. The pin shaft passes through the first pin hole 221 and the second pin hole and is fixed relative to the first pin hole 221 and the second pin hole, so that the cutter bar drives the second fixed end 220 to rotate synchronously.

[0039] In one possible implementation, the first fixed end 210 is provided with a first shoulder and a groove. The groove is located on the side of the first shoulder away from the second fixed end 220. The first shoulder is used to abut against one side of the inner ring 320. An elastic retaining ring 211 is provided in the groove. The elastic retaining ring 211 is used to abut against the other side of the inner ring 320 to axially limit the inner ring 320. Alternatively, the inner ring 320 can be configured to be interference-fitted with the first fixed end 210 as needed, which can also achieve the limitation of the inner ring 320, so as to achieve the effect that the positioning member 100 and the spindle 200 can rotate freely relative to each other.

[0040] In one possible implementation, the mounting hole is a stepped hole, comprising a first hole 121 with a larger cross-sectional diameter and a second hole 122 with a smaller cross-sectional diameter. A second shoulder is formed between the first hole 121 and the second hole 122. The second shoulder is used to abut against the side of the outer ring 310 facing the first connecting end 110 to restrict the movement of the outer ring 310 toward the first connecting end 110. This can prevent the rubber hose from generating large axial friction with the positioning member 100 during the movement from the first connecting end 110 toward the second connecting end 120, thus avoiding the phenomenon of sliding between the positioning member 100 and the outer ring 310, and ensuring the stable position of the outer ring 310.

[0041] It is understood that the first connecting end 110 has a tapered surface 111 in the circumferential direction. The tapered surface 111 includes a first end with a smaller cross-sectional diameter and a second end with a larger cross-sectional diameter. The first end is located at the end of the tapered surface 111 that is away from the second connecting end 120, so as to guide the first connecting end 110 into the rubber hose, that is, to facilitate the first connecting end 110 into the rubber hose, and to provide a certain guiding effect for the subsequent movement of the rubber hose relative to the first connecting end 110.

[0042] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0043] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0044] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A hose peeling device, characterized in that, include: The positioning component (100) includes a first connecting end (110) and a second connecting end (120) opposite to the first connecting end (110). The first connecting end (110) is used to insert into the rubber hose so that the outer peripheral wall of the positioning component (100) is press-fitted with the inner rubber of the rubber hose to support and position the rubber hose. The end face of the second connecting end (120) is provided with a mounting hole. The mandrel (200) includes a first fixed end (210) that extends into the mounting hole and is rotatably connected to the second connecting end (120). The first fixed end (210) is used to support the positioning member (100) and enable the positioning member (100) and the mandrel (200) to rotate relative to each other about the axis of the positioning member (100).

2. The hose peeling device according to claim 1, characterized in that, A rotating member (300) is provided between the first fixed end (210) and the second connecting end (120). The rotating member (300) includes an outer ring (310) and an inner ring (320) that can rotate relative to each other. The outer ring (310) is interference-fitted with the circumferential wall of the mounting hole so that the outer ring (310) is fixed relative to the second connecting end (120). The inner ring (320) is sleeved on the outer periphery of the first fixed end (210) so that the first fixed end (210) and the second connecting end (120) can rotate relative to each other.

3. The hose peeling device according to claim 2, characterized in that, The mandrel (200) also includes a second fixed end (220) opposite to the first fixed end (210) and a tool mounting part (230) located between the first fixed end (210) and the second fixed end (220). The tool mounting part (230) has a tool mounting groove (231) for mounting a tool. The second fixed end (220) is connected to a rotational power source so that the mandrel (200) can rotate around its own axis to drive the tool to rotate and cut the inner rubber of the rubber hose.

4. The hose peeling device according to claim 3, characterized in that, The tool mounting part (230) is also provided with a fixing hole (232) communicating with the tool mounting groove (231). The fixing hole (232) is used for mounting a fastener. The fastener can be screwed into the tool mounting groove (231) along the fixing hole (232) to press the tool against the inner wall of the tool mounting groove (231) to fix the tool relative to the spindle (200).

5. The hose peeling device according to claim 3, characterized in that, The second fixed end (220) is used to connect to the tool bar, which is connected to the rotational power source. The second fixed end (220) is provided with a first pin hole (221), and the tool bar is provided with a second pin hole corresponding to the first pin hole (221). The pin shaft passes through the first pin hole (221) and the second pin hole and is fixed relative to the first pin hole (221) and the second pin hole, so that the tool bar drives the second fixed end (220) to rotate synchronously.

6. The hose peeling device according to claim 3, characterized in that, The first fixed end (210) is provided with a first shoulder and a slot. The slot is located on the side of the first shoulder away from the second fixed end (220). The first shoulder is used to abut against one side of the inner ring (320). An elastic retaining ring (211) is provided in the slot. The elastic retaining ring (211) is used to abut against the other side of the inner ring (320) to axially limit the inner ring (320).

7. The hose peeling device according to claim 2, characterized in that, The mounting hole is a stepped hole, which includes a first hole (121) with a larger cross-sectional diameter and a second hole (122) with a smaller cross-sectional diameter. A second shoulder is formed between the first hole (121) and the second hole (122). The second shoulder is used to abut against the side of the outer ring (310) facing the first connecting end (110) to restrict the movement of the outer ring (310) toward the first connecting end (110).

8. The hose peeling device according to claim 1, characterized in that, The first connecting end (110) has a tapered surface (111) in the circumferential direction. The tapered surface (111) includes a first end with a smaller cross-sectional diameter and a second end with a larger cross-sectional diameter. The first end is located at the end of the tapered surface (111) away from the second connecting end (120) to guide the first connecting end (110) into the rubber hose.

9. The hose peeling device according to claim 4, characterized in that, The fixing hole (232) is an internal threaded hole, and the fixing member is a fastening screw with external threads. The fastening screw is threadedly connected to the internal threaded hole, so that the fastening screw presses the tool against one end of the tool.

10. The hose peeling device according to any one of claims 1-9, characterized in that, The axes of the positioning element (100) and the mandrel (200) are collinear.

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