Rubber tube cutting tool

Abstract

The utility model discloses a rubber tube cutting tool, and particularly relates to the field of rubber tube cutting. A transfer roller; the fixed-length rollers are rotationally connected to the base, each fixed-length roller comprises a rotating shaft and a scraping plate, the rotating shafts are all rotationally connected with the base, each rotating shaft is elastically and slidably connected with the corresponding scraping plate, the scraping plates are used for being clamped into the narrow sections of the rubber pipes, and a driving mechanism is arranged on one side of each fixed-length roller; the purpose of conveying the rubber pipe in a fixed-length mode is achieved through the fixed-length roller on the base, the air cylinder moves downwards to enable the fixed-length roller to stop, the clamping assembly clamps the rubber pipe, and meanwhile the cutting knife cuts the rubber pipe. The telescopic rod of the air cylinder moves upwards to enable the clamping assembly to loosen the rubber pipe, the cutting knife moves away from the rubber pipe, the fixed-length roller conveys the rubber pipe according to the specified length, in this way, the purposes of fixed-length conveying and cutting of the integrated rubber pipe can be achieved, human intervention is reduced, and the scraping plate is used for being clamped into the narrow section of the rubber pipe so that the rubber pipe can be effectively prevented from slipping when conveyed.

Description

Technical Field

[0001] The utility model relates to the field of hose cutting, and more specifically, to a hose cutting tool. Background Art

[0002] Some existing hose cutting machines use a cylinder and a slitting knife to achieve the purpose of automatically cutting the hose. However, in the above process, the hose still needs to be pushed manually to move. There are certain risks when the human hand moves at the bottom of the cut. When the common conveyor belt is used to convey a combination of wide and narrow hoses, it will slip, affecting the fixed-length cutting result of the hose. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a hose cutting tool. The technical problem to be solved by the utility model is: how to achieve stable fixed-length transmission of the hose.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hose cutting tool, comprising a base placed on the ground; a plurality of conveying rollers rotatably connected to the base; a plurality of fixed-length rollers rotatably connected to the base, the fixed-length rollers comprising a rotating shaft and a scraper, the rotating shafts are rotatably connected to the base, each rotating shaft is elastically and slidably connected to a scraper, the scraper is used to clamp into a narrow section of the hose, a driving mechanism for driving the fixed-length roller to rotate or stop is provided on one side of the fixed-length roller; and a cutting knife for moving from top to bottom to cut the hose on the conveying roller.

[0005] In a preferred embodiment, the tooling includes two rows of fixed-length rollers, and the rubber hose passes through the upper and lower rows of fixed-length rollers.

[0006] In a preferred embodiment, a cylinder is provided on the base, the cylinder includes a cylinder body and a telescopic rod, the cylinder body and the telescopic rod are slidably connected, the cylinder body is fixed on the base, the telescopic rod and the cutting knife are fixedly connected to drive the cutting knife to move up and down in the vertical direction, and a control unit for controlling the extension or retraction of the telescopic rod is provided in the cylinder body, and the control unit is electrically connected to an external controller.

[0007] In a preferred embodiment, the driving mechanism includes a motor and a gear set, the gear set includes gear one and gear two, the upper and lower rows of rotating shafts are connected by belt transmission respectively, one of the rotating shafts in the upper row is fixedly connected to gear one, one of the rotating shafts in the lower row is fixedly connected to gear two, gear one and gear two are meshed for transmission, one of gear one or gear two is fixedly connected to the output shaft of the motor, and the motor is installed on the base.

[0008] In a preferred embodiment, the driving mechanism includes a one-way drive group and a gear group, the one-way drive group includes a ratchet, a ratchet and a pawl, the gear group includes gear one and gear two, the cutting knife and the ratchet are fixedly connected, one of the upper row of rotating shafts is fixedly connected to gear one, one of the lower row of rotating shafts is fixedly connected to gear two, gear one and gear two are meshed for transmission, gear one is fixedly connected to the ratchet, and a pawl is elastically rotatably connected on the circumferential side of the ratchet, when the ratchet moves downward, the pawl does not rotate, and when the ratchet moves upward, the pawl rotates.

[0009] In a preferred embodiment, the ratchet includes a smooth segment and a tooth segment, the smooth segment is located at the upper end of the tooth segment, and the tooth segment and the ratchet wheel interfere with each other.

[0010] In a preferred embodiment, a clamping assembly for clamping the hose is provided on the base, and the clamping assembly includes wedge block 1, wedge block 2 and a clamping block. Wedge block 2 is slidably connected to the base, and the clamping blocks are elastically slidably connected on the opposite surfaces of the two wedge blocks 2. Wedge block 1 is fixed on the cutting knife, and wedge block 1 and wedge block 2 are in conflict with each other.

[0011] In a preferred embodiment, an inclined surface is provided on the inner side of the clamping block, and the inclined surface is located obliquely above the rubber hose.

[0012] Technical effects and advantages of the utility model:

[0013] The fixed-length roller on the base is used to achieve the purpose of fixed-length conveying of the hose. The cylinder moves down to stop the fixed-length roller, and the clamping assembly clamps the hose while the cutting knife cuts the hose. The cylinder telescopic rod moves up to release the hose by the clamping assembly and move the cutting knife away from the hose. The fixed-length roller conveys the hose according to the specified length, which can achieve the purpose of fixed-length conveying and cutting of the integrated hose and reduce human intervention. The scraper is used to clamp into the narrow section of the hose to effectively prevent slipping when conveying the hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the technical solution of the present utility model and constitute a part of the present utility model. The embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation on the present utility model.

[0015] Figure 1 The utility model is a structural diagram of a hose cutting tool.

[0016] Figure 2 This is a structural diagram of the cutting knife in the utility model.

[0017] Figure 3 This is a structural diagram of the fixed length roller in the utility model.

[0018] Figure 4 This is a structural diagram of the one-way drive group in the utility model.

[0019] The accompanying drawings are marked as follows: 1. base; 2. conveying roller; 3. fixed-length roller; 31. rotating shaft; 32. scraper; 4. cutting knife; 5. clamping assembly; 51. wedge block one; 52. wedge block two; 53. clamping block; 6. one-way drive group; 61. ratchet; 62. ratchet; 63. claw. DETAILED DESCRIPTION

[0020] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that the description of the present disclosure will be more comprehensive and complete and the concepts of the example embodiments will be fully conveyed to those skilled in the art. The accompanying drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0021] In addition, the described features, structures or characteristics may be combined in one or more example embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the example embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced while omitting one or more of the specific details, or other methods, components, steps, etc. may be adopted. In other cases, well-known structures, methods, implementations or operations are not shown or described in detail to avoid obscuring various aspects of the present disclosure.

[0022] The utility model provides Figure 1 - Figure 4 The hose cutting tool shown mainly comprises a base 1, a conveying roller 2, a fixed-length roller 3, a cutting knife 4 and a clamping assembly 5.

[0023] Specifically, the base 1 is placed on the ground, and a plurality of conveying rollers 2 are rotatably connected to the base 1. Two rows of fixed-length rollers 3 are also rotatably connected to the base 1. Conveying rollers 2 are arranged on both sides of the fixed-length rollers 3. When in use, the rubber hose moves from the conveying roller 2 to the fixed-length roller 3 and then to the conveying roller 2 at the other end. In this process, the fixed-length roller 3 plays a major transmission role.

[0024] Specifically, the fixed-length roller 3 includes a rotating shaft 31 and a scraper 32. The rotating shaft 31 is rotatably connected to the base 1. A plurality of scrapers 32 are evenly elastically slidably connected to the circumference of the rotating shaft 31. When the hose is clamped and stopped, the rotation of the scraper 32 is blocked by the wide section of the hose, so that the scraper 32 overcomes the elastic force and retracts part, so that the rotating shaft 31 can rotate normally. When the hose is not clamped, the scraper 32 can be stuck in the narrow section of the hose under the action of the elastic force, and drive the hose to move at a fixed length. When the rotating shaft 31 drives the scraper 32 to rotate, the scraper 32 will be stuck in the narrow section of the hose and push the hose to move.

[0025] A gear 1 is fixed on the outside of the inner rotating shaft 31 of one of the fixed-length rollers 3 in the upper row, and a gear 2 is fixed on the outside of the inner rotating shaft 31 of a corresponding fixed-length roller 3 in the lower row. Gear 1 and gear 2 are meshed for transmission. The upper row of fixed-length rollers 3 are connected by a belt drive, and the lower row of fixed-length rollers 3 are connected by a belt drive. In this way, the upper and lower rows of fixed-length rollers 3 can synchronously transmit the hose and push the hose to the cutting knife 4 for cutting.

[0026] One way of setting the driving mechanism is: another motor is provided, the motor is installed on the base 1, and the output shaft of the motor is fixedly connected to one of the rotating shafts 31, so that the motor can drive the upper and lower rows of rotating shafts 31 to rotate synchronously.

[0027] A driving member with linear driving capability, such as a cylinder, is mounted on the base 1. A similar driving member may also be a crank slider mechanism. For ease of explanation, the cylinder is used as an example in this application.

[0028] The cylinder includes a cylinder body and a telescopic rod. The cylinder body is fixed on the base 1. The telescopic rod is slidably connected in the cylinder body. The telescopic rod and the cutting knife 4 are fixedly connected. A control unit for driving the telescopic rod to extend and retract is arranged in the cylinder body. The control unit is electrically connected to an external controller. When the cylinder moves downward, the motor controls the fixed-length roller 3 to stop. At this time, the rubber hose will be stationary on the conveying roller 2. The cutting knife 4 can be moved downward to cut the rubber hose. By controlling the number of rotations of the fixed-length roller 3, the feeding amount of the rubber hose can be reasonably controlled, thereby achieving the purpose of fixed-length cutting of the rubber hose.

[0029] Furthermore, the clamping assembly 5 is used to clamp and fix the hose when the cutting knife 4 cuts the hose. The clamping assembly 5 includes a wedge block 1 51, a wedge block 2 52 and a clamping block 53. The wedge block 2 52 is elastically slidably connected with the clamping block 53. The wedge blocks 2 52 on both sides of the conveying roller 2 are elastically slidably connected to the base 1. The cutting knife 4 is fixedly connected to the wedge block 1 51. The wedge block 1 51 and the wedge block 2 52 are in contact with each other. When the cutting knife 4 moves downward, the wedge block 1 51 squeezes the wedge block 2 52, so that the clamping blocks 53 on the wedge block 2 52 clamp the hose from both sides. After the hose is compressed, there will be a certain deformation tendency. The stressed hose has a force to resist deformation in the vertical direction. At this time, the cutting knife 4 cuts the deformed hose again, which can reduce the damage of deformation caused by cutting to the hose.

[0030] In addition, the clamping area of ​​the clamping block 53 is larger than the cutting area of ​​the cutting knife 4 , so the hose is easier to reset after the clamping block 53 is withdrawn.

[0031] One of the ways to set up the driving mechanism is: without the use of a motor, the fixed-length roller 3 is driven to rotate directly by the telescopic rod of the cylinder. Specifically, the telescopic rod of the cylinder is fixedly connected to the ratchet 61, and the ratchet 61 includes a smooth section and a tooth section. One of the rotating shafts 31 is fixedly connected to the ratchet 62. The ratchet 62 is elastically rotatably connected with a claw 63. The tooth section on the ratchet 61 and the claw 63 form a one-way driving group 6. Specifically, when the telescopic rod drives the ratchet 61 to move downward, the claw 63 is squeezed to overcome the elastic force and retracts into the ratchet 62. When the ratchet 61 moves upward, the claw 63 opens under the action of the elastic force, and the ratchet 61 drives the ratchet 62 to drive the claw 63 to rotate. Such a design can save the use of additional driving parts and save resources. The setting of the light section avoids the interference between the ratchet 61 and the ratchet 62 when the telescopic rod moves upward and the cutting knife has not left the hose.

[0032] In summary, the solution of the present application can be briefly described as follows: the fixed-length roller 3 on the base 1 is used to achieve the purpose of fixed-length conveying of the hose, the cylinder moves downward to stop the fixed-length roller 3, the clamping assembly 5 clamps the hose while the cutting knife 4 cuts the hose, the cylinder telescopic rod moves upward to release the clamping assembly 5 and the cutting knife 4 moves away from the hose, and the fixed-length roller 3 conveys the hose according to the specified length, thereby achieving the purpose of fixed-length conveying and cutting of the integrated hose and reducing human intervention.

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A hose cutting tool, characterized in that include: A base (1) placed on the ground; A plurality of conveying rollers (2) rotatably connected to the base (1); A plurality of fixed-length rollers (3) are rotatably connected to the base (1), the fixed-length rollers (3) comprising a rotating shaft (31) and a scraper (32), the rotating shafts (31) are rotatably connected to the base (1), each rotating shaft (31) is elastically slidably connected to a scraper (32), the scraper (32) is used to clamp into the narrow section of the rubber hose, and a driving mechanism for driving the fixed-length roller (3) to rotate or stop is provided on one side of the fixed-length roller (3); as well as A cutting knife (4) is used to move from top to bottom to cut the rubber tube located on the conveying roller (2).

2. The hose cutting tool according to claim 1, characterized in that: The tooling comprises two rows of fixed-length rollers (3), and the rubber hose passes through the upper and lower rows of fixed-length rollers (3).

3. The hose cutting tool according to claim 1, characterized in that: The base (1) is provided with a cylinder, the cylinder comprising a cylinder body and a telescopic rod, the cylinder body and the telescopic rod are slidably connected, the cylinder body is fixed on the base (1), the telescopic rod and the cutting knife (4) are fixedly connected to drive the cutting knife (4) to move up and down in the vertical direction, and a control unit for controlling the extension or retraction of the telescopic rod is provided in the cylinder body, and the control unit is electrically connected to an external controller.

4. The hose cutting tool according to claim 2, characterized in that: The driving mechanism comprises a motor and a gear set, the gear set comprises a gear 1 and a gear 2, the upper and lower rows of rotating shafts (31) are respectively connected by belt transmission, one rotating shaft (31) in the upper row of rotating shafts (31) is fixedly connected to the gear 1, one rotating shaft (31) in the lower row of rotating shafts (31) is fixedly connected to the gear 2, the gear 1 and the gear 2 are meshed for transmission, one of the gear 1 or the gear 2 is fixedly connected to the output shaft of the motor, and the motor is mounted on the base (1).

5. The hose cutting tool according to claim 2, characterized in that: The driving mechanism comprises a one-way driving group (6) and a gear group, the one-way driving group (6) comprises a ratchet (61), a ratchet wheel (62) and a claw (63), the gear group comprises a gear 1 and a gear 2, the cutting knife (4) and the ratchet (61) are fixedly connected, one of the upper row of rotating shafts (31) is fixedly connected to the gear 1, one of the lower row of rotating shafts (31) is fixedly connected to the gear 2, the gear 1 and the gear 2 are meshed for transmission, the gear 1 and the ratchet wheel (62) are fixedly connected, and a claw (63) is elastically rotatably connected on the circumferential side of the ratchet wheel (62), when the ratchet (61) moves downward, the claw (63) does not rotate, and when the ratchet (61) moves upward, the claw (63) rotates.

6. The hose cutting tool according to claim 5, characterized in that: The ratchet (61) comprises a smooth section and a tooth section, the smooth section is located at the upper end of the tooth section, and the tooth section and the ratchet (62) interfere with each other.

7. A hose cutting tool according to any one of claims 1 to 6, characterized in that: The base (1) is provided with a clamping assembly (5) for clamping the rubber hose, and the clamping assembly (5) comprises a wedge block 1 (51), a wedge block 2 (52) and a clamping block (53). The base (1) is slidably connected with the wedge block 2 (52), and the clamping blocks (53) are elastically slidably connected on the opposite surfaces of the two wedge blocks 2 (52). The cutting knife (4) is fixed with the wedge block 1 (51), and the wedge block 1 (51) and the wedge block 2 (52) are in conflict with each other.

8. The hose cutting tool according to claim 7, characterized in that: The inner side of the clamping block (53) is provided with an inclined surface, and the inclined surface is located obliquely above the rubber hose.

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