Hose pipe notch punching tool

Abstract

The present invention discloses a hose pipe mouth notching tool, comprising a base, on which a hose positioning mechanism and a notching mechanism are installed; the hose positioning mechanism comprises a hose positioning shaft for sleeve-positioning the end of the hose to be notched, and a fixing seat for connecting the fixed end of the hose positioning shaft and the base, and the hose positioning shaft is arranged horizontally; the notching mechanism comprises a notching knife arranged above the hose positioning shaft, a driving component that can drive the notching knife to move vertically downward, and a mounting frame that fixedly connects the driving component and the base, the blade of the notching knife is arranged vertically downward along the edge of its lower end surface, the hose positioning shaft is provided with a cutter head hole for passing the notching knife, the cutter head hole is arranged vertically, and the upper end of the cutter head hole is adapted to the shape of the blade. The notching tool is simple to operate, can quickly and accurately realize the opening of a U-shaped groove on the pipe wall of the hose pipe mouth, and the notching knife has a long service life, which can reduce the processing cost.

Description

Technical Field

[0001] The invention belongs to the technical field of hose processing, and in particular relates to a hose orifice grooving tool. Background Art

[0002] In the process of processing the hose, it is often necessary to groove the wall of the hose orifice to form a U-shaped groove on the wall of the hose orifice. In the prior art, it is difficult to control the shape and size of the groove by using conventional tools for manual groove cutting, and the cut surface of the braided layer inside the hose is also prone to unevenness and roughness, which requires manual trimming again, which is time-consuming and labor-intensive.

[0003] In order to facilitate the notching of the hose mouth, Chinese patent CN208896199U discloses a notching device, which is provided with a hose notching positioning shaft, and the end of the hose to be notched is sleeved on the hose notching positioning shaft. When notching, the notching knife directly punches down and contacts the hose sleeved on the hose notching positioning shaft, and then impacts the hose notching positioning shaft to achieve the notching of the hose. However, when using this device, it is necessary to ensure that there is no roughness of the braided layer around the notch of the hose notch, and the notching knife needs to provide sufficient impact force. The impact process between the notching knife and the hose notching positioning shaft will cause great damage to the notching blade, and the notching knife needs to be replaced frequently, the service life of the device is short, and the notching processing cost is high. Summary of the invention

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a hose mouth notching tool, which is simple to operate and can quickly and accurately open a U-shaped groove on the wall of the hose mouth, and the notching tool has a long service life, which can reduce processing costs.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A hose orifice notching tool comprises a base, on which a hose positioning mechanism and a notching mechanism are installed; the hose positioning mechanism comprises a hose positioning shaft for sleeve-positioning the end of the hose to be notched, and a fixing seat for connecting the fixed end of the hose positioning shaft and the base, and the hose positioning shaft is horizontally arranged; the notching mechanism comprises a notching knife arranged above the hose positioning shaft, a driving component that can drive the notching knife to move vertically downward, and a mounting frame that fixedly connects the driving component and the base, the blade of the notching knife is arranged vertically downward along the edge of its lower end face, the hose positioning shaft is provided with a cutter head hole for passing the notching knife, the cutter head hole is vertically arranged, and the upper end of the cutter head hole is adapted to the shape of the blade, that is, the inner wall of the upper end of the cutter head hole can fit the blade inserted therein.

[0007] Preferably, the central axis of the notching knife is arranged to intersect with the central axis of the hose positioning shaft, the notching knife is arranged to be cylindrical, the blade is arranged to be oblong, and the length direction of the blade is arranged parallel to the central axis of the hose positioning shaft.

[0008] Preferably, the hose positioning shaft is provided with a first blanking through hole, the first blanking through hole is connected to the lower end of the cutter head hole, and the first blanking through hole is coaxially arranged with the cutter head hole; the base is provided with a second blanking through hole, the second blanking through hole is arranged directly below the first blanking through hole, and the aperture of the second blanking through hole is larger than the aperture of the first blanking through hole.

[0009] Preferably, the hose positioning mechanism also includes a limit block for limiting the groove depth, the limit block is installed on the fixed seat, the limit block is provided with a limit plane that can abut the end of the hose to be grooved, the fixed end of the hose positioning axis is fixedly connected to the limit plane, the limit plane is perpendicular to the hose positioning axis, the limit block is provided with a U-shaped groove, the groove depth direction of the U-shaped groove is parallel to the hose positioning axis, the upper and lower ends of the U-shaped groove are open, the U-shaped groove extends from the top surface of the limit block to the upper end of the tool head hole, and the lower end of the U-shaped groove is connected to the upper end of the tool head hole, the side opening of the U-shaped groove is provided on the limit plane, the inner wall of the U-shaped groove is adapted to the shape of the outer wall of the grooving tool that can be inserted therein, and the inner wall of the U-shaped groove and the inner wall of the tool head hole are aligned in the vertical direction.

[0010] Preferably, the limit block is detachably connected to the fixing seat, the limit block and the hose positioning shaft are configured as an integral structure, the hose positioning mechanism includes a plurality of replaceable limit blocks, and the depths of the U-shaped grooves of the plurality of limit blocks are configured to different depths.

[0011] Preferably, the hose positioning mechanism also includes a constraint component for limiting the movement of the notching knife in the vertical direction, the constraint component is installed on the fixed seat, the constraint component is vertically opened with a constraint through hole, the constraint through hole is arranged above the U-shaped groove, the notching knife is inserted into the constraint through hole, and the inner wall of the constraint through hole is adapted to the shape of the outer wall of the notching knife.

[0012] Preferably, a first connecting block is provided at the upper end of the notching knife, the driving component is connected to the first connecting block via a detachable connecting component, the limit block and the constraint assembly are detachably connected to the fixed seat, the notching mechanism includes a plurality of replaceable notching knives, the blades of the plurality of notching knives are arranged in different shapes, and the hose positioning mechanism includes limit blocks and constraint assemblies arranged in one-to-one correspondence with the notching knives.

[0013] Preferably, the driving component is set as a cylinder, the piston rod of the cylinder is set vertically downward, the connecting component includes a second connecting block detachably connected to the lower end of the piston rod, the second connecting block is provided with a T-shaped guide groove, the lower end of the T-shaped guide groove is provided on the lower surface of the second connecting block, the upper end of the first connecting block is set as a T-shaped slider adapted to the shape of the T-shaped guide groove, the T-shaped slider is inserted into the T-shaped guide groove, and the T-shaped slider can slide in the T-shaped guide groove along the direction parallel to the central axis of the hose positioning shaft; the upper surface of the fixed seat is provided with a straight slide groove along the direction parallel to the central axis of the hose positioning shaft, the lower part of the constraint component is provided with a slider slidably connected to the straight slide groove, and the straight slide groove is provided with a locking component that can fix the position of the slider and the straight slide groove. The locking component can be set as any existing slide groove slider locking structure, such as a clamp installed on the slider for limiting the position of the slider on the straight slide groove.

[0014] Preferably, the connecting component also includes a third connecting block fixedly connected to the lower end of the piston rod, an insert block is arranged on the lower surface of the third connecting block, a slot adapted to the insert block is opened on the upper surface of the second connecting block, and the insert block is clamped in the slot.

[0015] Preferably, a bracket for supporting the hose is mounted on the base, and the bracket is provided with an arc-shaped groove that matches the shape of the outer wall of the hose.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are: providing a hose mouth notching tool, which is easy to operate, can quickly and accurately open a U-shaped groove on the pipe wall of the hose mouth, and the notching tool has a long service life, which can reduce processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a notching tool in an embodiment;

[0018] Figure 2 It is a structural schematic diagram of the notching mechanism and the hose positioning mechanism of the embodiment;

[0019] Figure 3 It is a structural schematic diagram of the notching state of the notching mechanism and the hose positioning mechanism of the embodiment;

[0020] Figure 4 A cross-sectional view of a notching cutter head of an embodiment;

[0021] Figure 5 A bottom view of the notching cutter of the embodiment;

[0022] Figure 6 A schematic structural diagram of a replacement limit block in an embodiment;

[0023] In the above figure: 1-base, 11-second blanking through hole, 2-hose positioning mechanism, 21-hose positioning shaft, 211-cutter head hole, 212-first blanking through hole, 22-fixed seat, 221-straight slide groove, 23-limiting block, 231-U-shaped groove, 232-limiting plane, 24-constraint component, 241-constraint through hole, 242-slider, 3-grooving mechanism, 31-grooving knife, 311-blade, 32-driving component, 321-piston rod, 33-mounting frame, 4-first connecting block, 41-T-shaped slider, 5-connecting component, 51-second connecting block, 511-T-guide groove, 512-slot, 52-third connecting block, 521-insertion block, 6-bracket, 7-hose. DETAILED DESCRIPTION

[0024] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that elements, structures, and features in one embodiment may also be beneficially combined in other embodiments without further description.

[0025] It should be noted that, in the description of the present invention, the directions or positional relationships indicated by terms such as “inside”, “outside”, “up”, “down”, “left”, “right”, “front” and “back” are based on the positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] like Figures 1 to 5 As shown, a hose orifice notching tool comprises a base 1, on which a hose positioning mechanism 2 and a notching mechanism 3 are mounted; the hose positioning mechanism 1 comprises a hose positioning shaft 21 for sleeve-fitting and positioning the end of the hose 7 to be notched, and a fixing seat 22 for connecting the fixed end of the hose positioning shaft 21 and the base 1, wherein the hose positioning shaft 21 is arranged horizontally; the notching mechanism 3 comprises a notching knife 31 arranged above the hose positioning shaft 21, which can drive the notching knife 31 A driving component 32 that moves vertically downward, and a mounting frame 33 that fixedly connects the driving component 32 and the base 1, the blade 311 of the notching knife 31 is arranged vertically downward along the edge of its lower end surface, the hose positioning shaft 21 is provided with a tool head hole 211 for passing the notching knife 31, the tool head hole 211 is arranged vertically, and the upper end of the tool head hole 211 is adapted to the shape of the blade 311, that is, the inner wall of the upper end of the tool head hole 211 can fit the blade 311 inserted therein.

[0027] The notching tooling of the above structure is used to sleeve the notched end of the hose 7 to be notched onto the hose positioning shaft 21. The hose 7 does not completely cover the cutter head hole 211. The hose 7 covers the cutter head hole area so that the depth and shape of the U-shaped groove on the tube wall of the hose 7 can be realized, thereby realizing precise notching. The driving component 32 is turned on to drive the notching knife 31 to move vertically downward to impact the tube wall of the hose 7. The blade portion 311 of the notching knife 3 arranged vertically downward along the edge of its lower end face and the upper end portion of the cutter head hole 211 matched with the shape thereof can work together to increase the cutting area of ​​the tube wall. The force applied during the grooving ensures that there is no roughness of the braided layer around the U-shaped groove formed by the grooving. At the same time, the setting of the cutter head hole 211 allows the grooving knife 31 to penetrate the cutter head hole 211 after completing the pipe wall cutting, which can avoid the blade 31 hitting the hose positioning shaft 21 to damage the blade 31 and affect the service life of the grooving knife 31. After use testing, the service life of the grooving knife using the grooving device of Chinese patent CN208896199U is 600 grooving operations, while the service life of the grooving knife 31 of the hose pipe mouth grooving tool of this application can reach more than 420,000 times. The grooving tool is simple to operate, can quickly and accurately realize the opening of the U-shaped groove on the pipe wall of the hose pipe mouth, and the grooving knife 31 has a long service life, which can reduce the processing cost.

[0028] Specifically, the central axis of the notching knife 31 is arranged to intersect with the central axis of the hose positioning axis 21, the notching knife 31 is arranged to be cylindrical, the lower surface of the notching knife 31 is arranged to be oblong, the blade 311 is arranged to be oblong, the inner wall of the tool head hole 211 is adapted to the shape of the outer wall of the notching knife 31 that can be inserted therein, and the length direction of the blade 311 is arranged parallel to the central axis of the hose positioning axis 21.

[0029] Specifically, the hose positioning shaft 21 is provided with a first blanking through hole 212, the first blanking through hole 212 is connected to the lower end of the cutter head hole 211, and the first blanking through hole 212 is coaxially arranged with the cutter head hole 211; the base 1 is provided with a second blanking through hole 11, the second blanking through hole 11 is arranged directly below the first blanking through hole 212, and the aperture of the second blanking through hole 11 is larger than the aperture of the first blanking through hole 212. The second blanking through hole 11 and the first blanking through hole 212 can facilitate the waste material cut by the notching knife 31 to fall off the device, and avoid the waste material from accumulating on the device and affecting the normal operation of the device.

[0030] Specifically, the hose positioning mechanism 2 also includes a limit block 23 for limiting the groove depth, the limit block 23 is installed on the fixed seat 22, the limit block 23 is provided with a limit plane 232 that can abut the end of the hose 7 to be grooved, the fixed end of the hose positioning shaft 21 is fixedly connected to the limit plane 232, the limit plane 232 is arranged perpendicular to the hose positioning shaft 21, the limit block 23 is provided with a U-shaped groove 231, the groove depth direction of the U-shaped groove 231 is parallel to the hose positioning shaft 21, and the limit plane 232 is arranged perpendicular to the hose positioning shaft 21. The shaft 21 is arranged, and the upper and lower ends of the U-shaped groove 231 are open. The U-shaped groove 231 extends from the top surface of the limit block 23 to the upper end of the tool head hole 211, and the lower end of the U-shaped groove 231 is connected with the upper end of the tool head hole 211. The side opening of the U-shaped groove 231 is opened on the limit plane 232, and the inner wall of the U-shaped groove 231 is adapted to the outer wall of the grooving tool 31 that can be inserted therein, and the inner wall of the U-shaped groove 231 and the inner wall of the tool head hole 211 are aligned in the vertical direction. The limiting plane 232 of the limiting block 23 and the U-shaped groove 231 cooperate to facilitate the setting of the groove depth of the tube mouth of the hose 7. The tube mouth of the hose 7 abuts the limiting plane 232, and the part of the notching knife 31 inserted into the U-shaped groove 231 does not contact the tube wall of the hose 7, while the part of the blade 311 of the notching knife 31 located outside the U-shaped groove 231 completes the cutting of the hose 7, that is, the groove depth of the tube mouth of the hose 7 can be controlled by designing the groove depth of the U-shaped groove 231, so as to facilitate the precise notching of the tube mouth of the hose 7.

[0031] Specifically, the limit block 23 is detachably connected to the fixing seat 22, the limit block 23 and the hose positioning shaft 21 are set as an integral structure, and the hose positioning mechanism 2 includes a plurality of replaceable limit blocks 23, and the groove depths of the U-shaped grooves 231 of the plurality of limit blocks 23 are set to different depths. Figure 6 As shown, a limit block 23 having a U-shaped groove 231 with different groove depths can be provided and assembled on the notching tool. By replacing the limit block 23, it can be applied to the notching of the pipe mouth of the hose 7 with different groove depths, thereby improving the applicability of the device.

[0032] Specifically, the hose positioning mechanism 2 also includes a constraint component 24 for limiting the movement of the notching knife 31 in the vertical direction. The constraint component 24 is installed on the fixing seat 22. The constraint component 24 is vertically provided with a constraint through hole 241. The constraint through hole 241 is arranged above the U-shaped groove 231. The notching knife 31 is penetrated by the constraint through hole 241. The inner wall of the constraint through hole 241 is adapted to the shape of the outer wall of the notching knife 31. The inner wall of the U-shaped groove 231 and the inner wall of the constraint through hole 241 are aligned in the vertical direction. The setting of the constraint component can limit the notching knife 31 to move in the vertical direction, avoid the shaking of the notching knife 31 during the notching process, and improve the stability of the device.

[0033] Specifically, the first connecting block 4 is provided at the upper end of the notching knife 31, the driving component 32 is connected to the first connecting block 4 via a detachable connecting component 5, the limiting block 23 and the restraining assembly 24 are both detachably connected to the fixing seat 22, the notching mechanism 3 includes a plurality of replaceable notching knives 31, the blades of the plurality of notching knives 31 are set to different shapes, and the hose positioning mechanism 2 includes limiting blocks 23 and restraining assemblies 24 arranged one-to-one corresponding to the notching knives 31. The above structure can be used to notch the mouth of the hose 7 of different shapes and notching depths by setting a plurality of notching knives 31 having blades 311 of different shapes from the notching knives 31 assembled on the notching tool, and by replacing the notching knives 31 and the limiting blocks 23 and restraining assemblies 24 adapted thereto, so as to improve the applicability of the device.

[0034] Specifically, the driving component 32 is set as a cylinder, and the piston rod 321 of the cylinder is set vertically downward. The connecting component 5 includes a second connecting block 51 that is detachably connected to the lower end of the piston rod 321. The second connecting block 51 is provided with a T-shaped guide groove 511, and the lower end of the T-shaped guide groove 511 is opened on the lower surface of the second connecting block 51. The upper end of the first connecting block 4 is set as a T-shaped slider 41 that is adapted to the shape of the T-shaped guide groove 511. The T-shaped slider 41 is inserted into the T-shaped guide groove 511, and the T-shaped slider 41 can slide in the T-shaped guide groove 511 along the direction parallel to the central axis of the hose positioning shaft 21; the upper surface of the fixed seat 22 is provided with a straight slide groove 221 along the direction parallel to the central axis of the hose positioning shaft 21, and the lower part of the constraint component 24 is provided with a slider 242 that is slidably connected to the straight slide groove 221, and the straight slide groove 221 is provided with a locking component that can fix the position of the slider 242 and the straight slide groove 221. The locking component can be set as any existing sliding groove slider locking structure, such as a clamp installed on the slider 242 for limiting the position of the slider on the straight sliding groove 221. The above-mentioned detachable structure can realize the connection between the notching knife 31 and the cylinder piston rod 321, and the position of the notching knife 31 can be adjusted along the direction parallel to the central axis of the hose positioning shaft 21 according to the use requirements. The notching knife 31 is inserted into the constraint through hole 241 of the constraint component 24, so the position of the notching knife 31 can be fixed by fixing the position of the straight sliding groove 221 and the slider 242 through the locking component.

[0035] Specifically, the connecting component 5 also includes a third connecting block 52 fixedly connected to the lower end of the piston rod 321, an insert block 521 is arranged on the lower surface of the third connecting block 52, a slot 512 adapted to the insert block 521 is opened on the upper surface of the second connecting block 51, and the insert block 521 is clamped in the slot 512. The piston rod 321 and the second connecting block 51 are also configured as a detachable structure to facilitate the assembly and maintenance of the device.

[0036] Specifically, a bracket 6 for supporting the rubber hose 7 is installed on the base 1, and the bracket 6 is provided with an arc-shaped groove adapted to the shape of the outer wall of the rubber hose 7. The bracket 6 can be supported under the rubber hose 7 to facilitate the fixing of the rubber hose 7.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A hose mouth notching tool, characterized in that: It comprises a base, on which a hose positioning mechanism and a notching mechanism are installed; the hose positioning mechanism comprises a hose positioning shaft for sleeve-fitting and positioning the end of the hose to be notched, and a fixing seat for connecting the fixed end of the hose positioning shaft and the base, and the hose positioning shaft is arranged horizontally; the notching mechanism comprises a notching knife arranged above the hose positioning shaft, a driving component capable of driving the notching knife to move vertically downward, and a mounting frame fixedly connecting the driving component and the base, the blade of the notching knife is arranged vertically downward along the edge of its lower end surface, the hose positioning shaft is provided with a cutter head hole for passing the notching knife, the cutter head hole is arranged vertically, and the upper end of the cutter head hole is adapted to the shape of the blade; The hose positioning mechanism also includes a limit block for limiting the groove depth, the limit block is installed on the fixed seat, the limit block is provided with a limit plane that can abut the end of the hose to be grooved, the fixed end of the hose positioning shaft is fixedly connected to the limit plane, the limit plane is arranged perpendicular to the hose positioning shaft, the limit block is provided with a U-shaped groove, the groove depth direction of the U-shaped groove is arranged parallel to the hose positioning shaft, the upper and lower ends of the U-shaped groove are both open, the U-shaped groove extends from the top surface of the limit block to the upper end of the cutter head hole, and the lower end of the U-shaped groove is connected with the upper end of the cutter head hole, the side opening of the U-shaped groove is arranged on the limit plane, the inner wall of the U-shaped groove is adapted to the shape of the outer wall of the notching tool that can be inserted therein, and the inner wall of the U-shaped groove and the inner wall of the cutter head hole are aligned in the vertical direction; The hose positioning mechanism also includes a constraint component for limiting the movement of the notching knife in the vertical direction, the constraint component is installed on the fixing seat, the constraint component is vertically provided with a constraint through hole, the constraint through hole is arranged above the U-shaped groove, the notching knife is inserted into the constraint through hole, and the inner wall of the constraint through hole is adapted to the shape of the outer wall of the notching knife; A first connecting block is provided at the upper end of the notching knife, the driving component is connected to the first connecting block via a detachable connecting component, the limit block and the constraint assembly are both detachably connected to the fixing seat, the notching mechanism comprises a plurality of notching knives, the blades of the plurality of notching knives are set to different shapes, and the hose positioning mechanism comprises a limit block and a constraint assembly which are arranged one by one corresponding to the notching knives; The driving component is set as a cylinder, and the piston rod of the cylinder is arranged vertically downward. The connecting component includes a second connecting block detachably connected to the lower end of the piston rod, the second connecting block is provided with a T-shaped guide groove, and the lower end of the T-shaped guide groove is provided on the lower surface of the second connecting block, and the upper end of the first connecting block is set as a T-shaped slider adapted to the shape of the T-shaped guide groove, and the T-shaped slider is inserted in the T-shaped guide groove, and the T-shaped slider can slide in the T-shaped guide groove along the direction parallel to the central axis of the hose positioning shaft; a straight slide groove is set on the upper surface of the fixed seat along the direction parallel to the central axis of the hose positioning shaft, and a slider slidably connected to the straight slide groove is provided at the lower part of the constraint component, and the straight slide groove is provided with a locking component that can fix the position of the slider and the straight slide groove; The connecting component also includes a third connecting block fixedly connected to the lower end of the piston rod, an insert block is arranged on the lower surface of the third connecting block, a slot adapted to the insert block is opened on the upper surface of the second connecting block, and the insert block is clamped in the slot.

2. The hose port notching tool according to claim 1, characterized in that: The central axis of the notching knife is arranged to intersect with the central axis of the hose positioning shaft. The notching knife is arranged in a cylindrical shape, the blade is arranged in an oblong shape, and the length direction of the blade is arranged parallel to the central axis of the hose positioning shaft.

3. The hose port notching tool according to claim 2, characterized in that: The hose positioning shaft is provided with a first blanking through hole, the first blanking through hole is connected to the lower end of the cutter head hole, and the first blanking through hole is coaxially arranged with the cutter head hole; the base is provided with a second blanking through hole, the second blanking through hole is arranged directly below the first blanking through hole, and the aperture of the second blanking through hole is larger than the aperture of the first blanking through hole.

4. The hose port notching tool according to claim 1, characterized in that: The limit block is detachably connected to the fixing seat, the limit block and the hose positioning shaft are set as an integrated structure, the hose positioning mechanism includes a plurality of limit blocks, and the groove depths of the U-shaped grooves of the plurality of limit blocks are set to different depths.

5. The hose port notching tool according to claim 1, characterized in that: A bracket for supporting the rubber hose is installed on the base, and the bracket is provided with an arc-shaped groove that matches the shape of the outer wall of the rubber hose.

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