Cutting equipment for rubber hose

Abstract

The invention relates to cutting equipment for a rubber hose, which comprises a conveying device for conveying the rubber hose; the cutting mechanism comprises a rotatable moving frame, a cutting part, an outer chamfering part and an inner chamfering part, the cutting part, the outer chamfering part and the inner chamfering part are installed on the moving frame, a cutting area is formed on the moving frame, and a rubber hose passes through the cutting area; the cutting part, the outer chamfering part and the inner chamfering part move towards the interior of the cutting area in sequence to conduct cutting, outer chamfering and inner chamfering on the rubber hose; the inner fixing assembly is provided with a movable fixing shaft and can extend into the rubber hose to support the rubber hose, and the cutting part extends into the cutting groove when cutting the rubber hose; the cutting mechanism is driven by the conveying device to move in the direction of the cutting mechanism, the fixing shaft enters the rubber hose to fix the rubber hose, the outer chamfering part and the inner chamfering part sequentially move into the cutting area to conduct cutting, outer chamfering and inner chamfering on the rubber hose, and the phenomenon that the cutting face is rough due to deformation of the rubber hose during cutting is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of rubber processing, and in particular to a cutting device for a rubber hose. Background Art

[0002] Rubber hose is a wire braided hose. The hose consists of an inner rubber layer, a wire braided layer and an inner rubber layer. It is suitable for conveying hydraulic fluids such as alcohol, fuel, lubricating oil, emulsion, etc. After the same production and processing, the rubber hose is often longer in length. Before use, the rubber hose needs to be cut into appropriate lengths according to actual conditions.

[0003] According to Chinese patent CN219466277U, a rubber hose cutting device is disclosed, which includes an operating table, a fixing device is arranged at the upper end of the operating table, a cutting device is arranged at one side of the fixing device, and a cutting groove is arranged at the lower end of the cutting device. Through the joint action of the cylinder, the pressure plate, the clamping plate and the fixing seat, the rubber hose can be fixed during cutting to avoid deviation in the cutting effect. However, the rubber hose itself has a certain elasticity. During cutting, the rubber hose is deformed and the cutting is not precise. At the same time, the rubber hose is made of multi-layer material, and burrs will be generated during cutting, and the surface is not smooth.

[0004] Therefore, it is necessary to develop a rubber hose cutting device to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a rubber hose cutting device with a smooth cutting surface.

[0006] To achieve the above object, the present invention provides the following technical solution: a cutting device for a rubber hose, comprising:

[0007] A conveying device for conveying a rubber hose;

[0008] The cutting mechanism comprises a rotatable moving frame, a cutting part, an outer chamfering part and an inner chamfering part installed on the moving frame, wherein the moving frame forms a cutting area, the rubber hose passes through the cutting area, and the cutting part, the outer chamfering part and the inner chamfering part sequentially move into the cutting area to cut, outer chamfer and inner chamfer the rubber hose;

[0009] The inner fixing assembly is provided with a movable fixing shaft, the fixing shaft has a cutting groove formed by being recessed inward from its surface, the fixing shaft can extend into the rubber hose to support the rubber hose, and the cutting part extends into the cutting groove when cutting the rubber hose.

[0010] Furthermore, the cutting mechanism includes a cutting drive unit, a transmission member connected to the cutting drive unit, and a movable frame that moves synchronously with the transmission member. The transmission member is a certain transmission gear. The movable frame is located on one side of the transmission member and has a passive gear on its outer side. The passive gear is meshed with the transmission member.

[0011] Furthermore, the cutting mechanism also includes a fixed block fixedly connected to the movable frame, the fixed block is fixed to the inner side of the movable frame and is located in the cutting area, and the cutting part, the outer chamfer part and the inner chamfer part are all installed on the fixed block.

[0012] Furthermore, the cutting part includes a cutting drive and a cutting tool pushed by the cutting drive. The cutting drive is fixedly mounted on the fixed block and can push the cutting tool to move toward the center of the cutting area.

[0013] Furthermore, the external chamfering part includes an external chamfering driving member and an external chamfering tool driven by the external chamfering driving member. The external chamfering driving member is fixedly mounted on the fixed block and can push the external chamfering tool to move toward the center direction of the cutting area.

[0014] Furthermore, the inner chamfering part includes an inner chamfering driving member and an inner chamfering tool driven by the inner chamfering driving member, and the inner chamfering driving member is fixedly mounted on the fixed block, and can push the inner chamfering tool to move toward the center direction of the cutting area.

[0015] Furthermore, the number of the conveying devices is a pair, the other conveying device is located above the one conveying device, the conveyor belt of the upper conveying device and the conveyor belt of the lower conveying device form a material transfer gap, and the rubber hose passes through the material transfer gap.

[0016] Furthermore, guide parts are provided on both sides of the conveying device, and the guide parts include a frame, a lower support block and an upper support block installed in the frame. The lower support block and the upper support block both have a material flow trough formed by being recessed inward from the opposite side, and the shape of the material flow trough is the same as that of the rubber hose.

[0017] Furthermore, the frame has a groove, and both sides of the lower support block and the upper support block extend into the groove, and the lower support block and the upper support block are driven by external force to move relative to each other or move in the opposite direction.

[0018] Compared with the prior art, the beneficial effect of the present invention is that: the present invention is a cutting device for a rubber hose, which has the characteristic of a smooth cutting surface. It is driven by a conveying device to move toward the cutting mechanism. After the rubber hose moves into place, the fixed shaft enters the rubber hose to fix the rubber hose. The outer chamfered part and the inner chamfered part move into the cutting area in turn to cut, chamfer the outer side, and chamfer the inner side of the rubber hose, thereby avoiding deformation of the rubber hose during cutting, resulting in a rough cutting surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a rubber hose cutting device of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of a conveying device of a rubber hose cutting device shown;

[0022] Figure 3 for Figure 1 A schematic diagram of the guide structure of the rubber hose cutting device shown;

[0023] Figure 4 for Figure 1 A schematic diagram of the cutting mechanism structure of the rubber hose cutting device shown;

[0024] Figure 5 for Figure 4 A schematic diagram of a partial structure of a cutting mechanism of a rubber hose cutting device shown;

[0025] Figure 6 for Figure 1 A schematic diagram of the structure of the internal fixing components of the rubber hose cutting device is shown.

[0026] In the figure: 1, frame; 2, discharge barrel; 3, conveying device; 4, cutting mechanism; 5, internal fixing assembly; 21, discharge drive member; 22, reel; 23, bracket; 31, transmission active shaft; 32, transmission passive shaft; 33, conveyor belt; 34, transmission motor; 35, feeding gap; 36, guide part; 361, frame; 362, lower support block; 363, upper support block; 364, feeding trough; 365, groove; 366, handle; 41, cutting drive unit; 42, transmission member; 43, moving frame; 41 1. Driving shaft; 431. Passive gear; 432. Cutting area; 44. Fixed block; 45. Cutting part; 46. External chamfering part; 47. Internal chamfering part; 451. Cutting drive; 452. Cutting tool; 461. External chamfering drive; 462. External chamfering tool; 471. Internal chamfering drive; 472. Internal chamfering tool; 51. Adjusting part; 52. Internal fixed drive; 53. Fixed shaft; 511. Adjusting frame; 512. Adjusting drive; 513. Sliding block; 521. Push rod; 54. Cutting groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments 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.

[0028] The present invention is a rubber hose cutting device, which comprises a frame 1, a discharge barrel 2 arranged on the frame 1, a conveying device 3 installed on one side of the discharge barrel 2, a cutting mechanism 4 located at the end of the conveying device 3 and an internal fixing component 5.

[0029] The frame 1 is in a horizontal state, and is used to carry the discharge barrel 2, the conveying device 3 installed on one side of the discharge barrel 2, the cutting mechanism 4 and the internal fixing component 5, so that the discharge barrel 2, the conveying device 3, the cutting mechanism 4 and the internal fixing component 5 are in a horizontal state.

[0030] The unloading drum 2 includes a unloading driving member 21, a reel 22 connected to the unloading driving member 21, and a bracket 23 for fixing the reel 22. The unloading drum 2 can be placed on the frame 1, that is, the bracket 23 is in contact with the frame 1, and the rubber hose is wound on the reel 22. Both ends of the reel 22 are vertically connected to the bracket 23, and bearings are provided at the connection. The unloading driving member 21 is installed in the bracket 23, which drives the reel 22 to rotate, so that the rubber hose wound on the reel 22 is gradually transported out of the unloading drum 2 under the pulling of external force.

[0031] The conveying device 3 includes a conveying active shaft 31, a conveying passive shaft 32 and a conveyor belt 33 surrounding the conveying active shaft 31 and the conveying passive shaft 32. The conveying active shaft 31 and the conveying passive shaft 32 are both installed on the frame 1 on the same horizontal line. The conveying device 3 has a conveying motor 34. The conveying motor 34 drives the conveying active shaft 31 to rotate, and the conveying active shaft 31 drives the conveying passive shaft 32 to rotate synchronously.

[0032] The number of conveying devices 3 is a pair, and the other conveying device 3 is located above the one conveying device 3. The conveyor belt 33 of the upper conveying device 3 and the conveyor belt 33 of the lower conveying device 3 form a feeding gap 35, and the rubber hose passes through the feeding gap 35. Specifically, the conveyor belt 33 of the upper conveying device 3 and the conveyor belt 33 of the lower conveying device 3 respectively contact the rubber hose, and the rubber hose is driven to move toward the cutting mechanism 4 through friction.

[0033] The conveying device 3 also includes a guide portion 36, which includes a frame 361, a lower support block 362 and an upper support block 363 installed in the frame 361, the lower support block 362 and the upper support block 363 both have a material flow groove 364 formed by being recessed inward from the opposite side, and the shape of the material flow groove 364 is the same as that of the rubber hose. Preferably, in another embodiment, the frame 361 has a groove 365, and both sides of the lower support block 362 and the upper support block 363 extend into the groove 365, and the lower support block 362 and / or the upper support block 363 are driven by external force to move relative to or oppositely. In this embodiment, a handle 366 is installed on the top of the upper support block 363, and the upper support block 363 can be driven to move toward the lower support block 362 by rotating the handle 366.

[0034] The cutting mechanism 4 includes a cutting drive unit 41, a transmission member 42 connected to the cutting drive unit 41, and a moving frame 43 that moves synchronously with the transmission member 42. The cutting drive unit 41 is a certain motor, which is connected to a driving shaft 411. The end of the driving shaft 411 is fixedly connected to the transmission member 42. The transmission member 42 is a certain transmission gear. The moving frame 43 is located on one side of the transmission member 42, and has a passive gear 431 on the outside. The passive gear 431 is meshed with the transmission member 42. The cutting drive unit 41 drives the moving frame 43 to rotate through the driving shaft 411, the transmission member 42 and the passive gear 431. A cutting area 432 is formed on the inner side of the moving frame 43, and the rubber hose can extend into the cutting area 432.

[0035] The cutting mechanism 4 also includes a fixed block 44 fixedly connected to the moving frame 43, a cutting portion 45 installed on the fixed block 44, an outer chamfered portion 46 and an inner chamfered portion 47 located on one side of the cutting portion 45, the fixed block 44 is fixed to the inner side of the moving frame 43 and is located in the cutting area 432, the cutting portion 45 includes a cutting drive 451 and a cutting tool 452 driven by the cutting drive 451, the cutting drive 451 is fixedly installed on the fixed block 44, and can push the cutting tool 452 to move toward the center direction of the cutting area 432, and the outer chamfered portion 46 and the inner chamfered portion 47 are located on one side of the cutting portion 45. The chamfering portion 46 includes an external chamfering driving component 461 and an external chamfering tool 462 pushed by the external chamfering driving component 461. The external chamfering driving component 461 is fixedly installed on the fixed block 44, and can push the external chamfering tool 462 to move toward the center direction of the cutting area 432. The internal chamfering portion 47 includes an internal chamfering driving component 471 and an internal chamfering tool 472 pushed by the internal chamfering driving component 471. The internal chamfering driving component 471 is fixedly installed on the fixed block 44, and can push the internal chamfering tool 472 to move toward the center direction of the cutting area 432.

[0036] The internal fixing assembly 5 includes an adjusting portion 51 that can move toward the cutting mechanism 4, an internal fixing driving member 52 pushed by the adjusting portion 51, and a fixed shaft 53 connected to the internal fixing driving member 52. The adjusting portion 51 includes an adjusting frame 511, an adjusting driving member 512 installed on the adjusting frame 511, and a slider 513 connected to the adjusting driving member 512. The bottom of the adjusting frame 511 is connected to the frame 1, and its top extends vertically upward. The adjusting driving member 512 is installed on the top of the adjusting frame 511, and can drive the slider 513 to move vertically along the adjusting frame 511. The internal fixing driving member 52 is fixedly connected to the slider 513, and is connected to a push rod 521. One end of the push rod 521 is connected to the internal fixing driving member 52, and the other end extends toward the cutting mechanism 4 and the end is connected to the fixed shaft 53. The fixed shaft 53 and the rubber hose are on the same axis, and its diameter is smaller than the rubber hose. The internal fixing driving member 52 pushes the fixed shaft 53 into the rubber hose.

[0037] The fixed shaft 53 has a cutting groove 54 which is recessed inward from the surface. The cutting groove 54 surrounds the fixed shaft 53 . During cutting, the cutting tool 452 extends into the cutting groove 54 .

[0038] When the rubber hose cutting device of the present invention is used, the rubber hose wound on the reel 22 is driven by a pair of conveying devices 3 to move toward the cutting mechanism 4. After the rubber hose moves into place, the internal fixed driving member 52 pushes the fixed shaft 53 to enter the rubber hose, and the cutting driving member 451 pushes the cutting tool 452 to move toward the center direction of the cutting area 432. The cutting tool 452 cuts the rubber hose and enters the cutting groove 54. The cutting driving part 41 drives the moving frame 43 to rotate, and the cutting tool 452 cuts around the rubber hose along the cutting groove 54. The cutting tool 452 retreats, and the external chamfering tool 462 pushed by the external chamfering driving member 461 grinds the inner corner of the rubber hose, and the internal chamfering driving member 471 pushes the internal chamfering tool 472 to grind the outer corner of the rubber hose.

[0039] The present invention is a cutting device for a rubber hose, which has the characteristic of a smooth cutting surface. The rubber hose is driven by a conveying device to move toward a cutting mechanism. After the rubber hose moves into position, a fixed shaft enters the rubber hose to fix the rubber hose. The outer chamfering part and the inner chamfering part move into the cutting area in turn to cut, chamfer the outer side, and chamfer the inner side of the rubber hose, thereby avoiding deformation of the rubber hose during cutting, which results in a rough cutting surface.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cutting device for a rubber hose, characterized in that: It includes: A conveying device (3) for conveying the rubber hose; The cutting mechanism (4) comprises a rotatable moving frame (43), a cutting portion (45) mounted on the moving frame (43), an outer chamfering portion (46) and an inner chamfering portion (47), wherein the moving frame (43) forms a cutting area (432), and when the rubber hose passes through the cutting area (432), the cutting portion (45), the outer chamfering portion (46) and the inner chamfering portion (47) move into the cutting area (432) in sequence to cut, outer chamfer and inner chamfer the rubber hose; The inner fixing assembly (5) is provided with a movable fixing shaft (53), wherein the fixing shaft (53) has a cutting groove (54) formed inwardly from the surface thereof, and the fixing shaft (53) can extend into the rubber hose to support the rubber hose, and the cutting portion (45) extends into the cutting groove (54) when cutting the rubber hose.

2. The rubber hose cutting device according to claim 1, characterized in that: The cutting mechanism (4) comprises a cutting drive unit (41), a transmission member (42) connected to the cutting drive unit (41), and a moving frame (43) moving synchronously with the transmission member (42); the transmission member (42) is a certain transmission gear; the moving frame (43) is located on one side of the transmission member (42) and has a passive gear (431) on its outer side; the passive gear (431) is meshed with the transmission member (42).

3. The rubber hose cutting device according to claim 2, characterized in that: The cutting mechanism (4) further comprises a fixed block (44) fixedly connected to the movable frame (43); the fixed block (44) is fixed to the inner side of the movable frame (43) and is located in the cutting area (432); the cutting portion (45), the outer chamfer portion (46) and the inner chamfer portion (47) are all mounted on the fixed block (44).

4. The rubber hose cutting device according to claim 3, characterized in that: The cutting part (45) comprises a cutting drive member (451) and a cutting tool (452) driven by the cutting drive member (451); the cutting drive member (451) is fixedly mounted on the fixed block (44) and can push the cutting tool (452) to move toward the center direction of the cutting area (432).

5. The rubber hose cutting device according to claim 3, characterized in that: The external chamfering portion (46) comprises an external chamfering driving member (461) and an external chamfering tool (462) driven by the external chamfering driving member (461); the external chamfering driving member (461) is fixedly mounted on the fixed block (44) and can push the external chamfering tool (462) to move toward the center direction of the cutting area (432).

6. The rubber hose cutting device according to claim 3, characterized in that: The inner chamfering portion (47) comprises an inner chamfering driving member (471) and an inner chamfering tool (472) driven by the inner chamfering driving member (471); the inner chamfering driving member (471) is fixedly mounted on the fixed block (44) and can push the inner chamfering tool (472) to move toward the center direction of the cutting area (432).

7. The rubber hose cutting device according to claim 1, characterized in that: The number of the conveying devices (3) is a pair, and the other conveying device (3) is located above the one conveying device (3). The conveyor belt (33) of the conveying device (3) located above and the conveyor belt (33) of the conveying device (3) located below form a material transfer gap (35), and the rubber hose passes through the material transfer gap (35).

8. The rubber hose cutting device according to claim 1, characterized in that: Guide parts (36) are provided on both sides of the conveying device (3), and the guide parts (36) include a frame (361), a lower support block (362) and an upper support block (363) installed in the frame (361), and the lower support block (362) and the upper support block (363) both have a material passing groove (364) formed by being recessed inward from opposite sides, and the shape of the material passing groove (364) is the same as that of the rubber hose.

9. The rubber hose cutting device according to claim 8, characterized in that: The frame (361) has a groove (365), and both sides of the lower support block (362) and the upper support block (363) extend into the groove (365), and the lower support block (362) and the upper support block (363) are driven by external force to move relative to each other or move in the opposite direction.

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