CN114643609A - Automatic pipe cutting machine for rubber pipes - Google Patents

Abstract

The invention discloses an automatic rubber tube cutting machine which comprises a rubber tube storage and placement device, a cutting device and a cutting device, wherein the rubber tube storage and placement device is used for placing continuous rubber tubes; the rubber tube storage and placement device comprises a fixed-length conveying workbench, wherein a manipulator capable of moving transversely is arranged on the fixed-length conveying workbench and used for clamping a rubber tube conveyed from the rubber tube storage and placement device and pulling the rubber tube forwards for a fixed distance; the rubber tube cutting device is arranged at one end of the fixed-length conveying workbench, a rubber tube cutting saw blade capable of moving radially is arranged inside the rubber tube cutting device, a pair of rubber tube clamping parts corresponding to the rubber tube cutting saw blade are arranged inside the rubber tube cutting device, and the rubber tube cutting saw blade is arranged between the two rubber tube clamping parts. The automatic feeding device is simple in structure, can realize automatic feeding and automatic accurate cutting of rubber tubes, reduces labor intensity and improves machining precision.

Description

An automatic hose cutting machine

technical field

The invention relates to the field of hydraulic rubber hose production equipment, in particular to an automatic rubber hose cutting machine.

Background technique

In the production process of hydraulic hoses, it is necessary to precisely cut a large number of hoses. The current practice is to manually measure, scribe, and size according to the requirements of the drawings, and then manually start the pipe cutting switch to cut the pipe. The resulting hoses have poor consistency and low efficiency, which cannot meet the needs of mass production of hydraulic hoses. Moreover, the hoses are soft and tend to move during cutting. How to cut accurately has also become a problem that needs to be solved.

SUMMARY OF THE INVENTION

The invention provides an automatic rubber tube cutting machine, which has a simple structure, can realize automatic feeding and automatic precise cutting of the rubber tube, reduces labor intensity and improves processing accuracy.

In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic hose cutting machine, comprising:

Hose storage and placement device for placing continuous hoses;

A fixed-length conveying workbench, a manipulator that can move laterally is arranged on the fixed-length conveying worktable, and the manipulator is used to clamp the rubber hose transported from the rubber hose storage and placement device and pull the rubber hose forward by a fixed distance;

The rubber tube cutting device is arranged at one end of the fixed-length conveying table, and a tube cutting saw blade that can move radially is arranged inside. For the hose clamping part, the pipe cutting saw blade is arranged between the two hose clamping parts.

Preferably, a guide column is arranged between the rubber tube storage and placement device and the fixed-length conveying table, and a rubber tube guide wheel is arranged on the upper end of the guide column, and the rubber tube bypasses the upper side of the rubber tube guide wheel.

Preferably, a tensioning mechanism is arranged between the guide column and the fixed-length conveying table, and the tensioning mechanism includes a connecting seat connected with the fixed-length conveying table and a rotating rod connected with the connecting seat at one end, so One end of the rotating rod is installed with a tensioning guide wheel, the rotating rod is connected with a downwardly extending rod arranged at a right angle to it, and the lower end of the downwardly extending rod is connected with a first spring and a second spring, One end of the first spring is connected to the fixed-length conveying table, and the second spring is arranged vertically downward.

Preferably, a pair of linear bearings are arranged side by side on the fixed-length conveying table, a rack is arranged on one side of the fixed-length conveying table, a motor is arranged on one side of the rack, and the A gear meshing with the rack is installed on the output shaft of the motor, the motor is connected with the linear bearing through a connecting frame, and a manipulator corresponding to the rubber hose is installed at one end of the connecting frame.

Preferably, at least one hosting cylinder is installed vertically at a position corresponding to the rubber hose on the fixed-length conveying table.

Preferably, the hose clamping component includes a double-headed cylinder and an L-shaped connecting piece disposed at both ends of the double-headed cylinder, and the end of the L-shaped connecting piece is provided with a pipe clamping piece.

Preferably, the two hose clamping parts are arranged horizontally and vertically, respectively.

Preferably, a mobile sliding table is installed on the lower part of the rubber tube cutting device A, a mobile frame is installed on the upper side of the mobile sliding table, and a driving main motor is installed inside the mobile frame, and the mobile sliding table The upper end of the pipe cutting saw blade is laterally installed with a main shaft of the pipe cutting saw blade. The pipe cutting saw blade is sleeved on the pipe cutting saw blade main shaft.

Preferably, the transmission assembly includes a transmission pulley installed on one end of the main shaft of the pipe cutting saw blade and the output shaft of the driving main motor, and the transmission belts are connected between the transmission belts.

Preferably, a pipe cutting cylinder is laterally installed on one side of the rubber pipe cutting device A, and the extension rod of the pipe cutting cylinder is connected to the moving frame or the moving sliding table.

Compared with the prior art, the beneficial effects of the present invention are:

(1) It has a fixed-length conveying table, which can accurately control the stepping moving distance of the automatic feeding hose, ensuring the accuracy of cutting;

(2) There are two hose clamping parts, and the cutting saw blade is set between the two hose clamping parts for cutting to ensure that the hose will not move during cutting;

(3) The pipe cutting saw blade is driven by the moving frame to move in translation, and the movement is stable, which can realize the rapid back and forth movement of the pipe cutting saw blade, reduce the vibration during rotation, and have high cutting efficiency.

Description of drawings

Fig. 1 is the front view structure diagram of the present invention;

Fig. 2 is the side view structure diagram of the present invention;

Fig. 3 is the top view structure diagram of the present invention;

FIG. 4 is a side structural view of the hose clamping part of the present invention;

FIG. 5 is a structural diagram of the tensioning mechanism of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

As shown in Figures 1-5, the present invention provides an automatic hose cutting machine, including:

The rubber hose storage and placement device 1 is used for placing continuous rubber hoses. The rubber hose storage and placement device 1 can be placed on the rubber hoses arranged in layers, and can also be placed in rolls. Rods, rolls of hoses can be placed on the runner.

This embodiment also includes a fixed-length conveying table 5 , and a laterally movable manipulator 4 is arranged on the fixed-length conveying worktable 5 . The rubber hose is pulled forward by a fixed distance, and the manipulator 4 is driven by a device that can be operated by numerical control. The rotation of the rod can make the screw nut move laterally, thereby driving the manipulator 4 to move, although it is relatively accurate, but the moving speed is slightly slower; a rack and pinion rotation mechanism can also be used, as shown in Figure 3, the fixed-length conveying A pair of linear bearings 13 are arranged side by side on the table 5, a rack 14 is arranged on one side of the fixed-length conveying table 5, and a motor 16 is arranged on one side of the rack 14. The output shaft is provided with a gear 15 that meshes with the rack 14, the motor 16 is connected to the linear bearing 13 through a connecting frame 17, and one end of the connecting frame 17 is installed with a manipulator 4 corresponding to the rubber hose, through the motor 16 drives the gear 15 to rotate at a high speed, which can drive the connecting frame 17 to rotate rapidly along the linear bearing 13. When setting, it is only necessary to calculate the rotation speed of the motor 16 to know the moving distance of the manipulator 4.

The linear bearing 13 is actually two guide rods, the two ends of which are installed on the fixed-length conveying table 5 through the bracket, the connecting frame 17 can move quickly and smoothly along the two linear bearings 13, the rack 14 is installed on the lower side, The gear 15 is installed on the upper side, which is convenient for device setting.

Specifically, the rubber tube cutting device A is set at one end of the fixed-length conveying table 5, and is provided with a radially movable tube cutting saw blade 12. The tube cutting saw blade 12 can move horizontally or vertically, so The rubber tube cutting device A described is internally provided with a pair of rubber tube clamping parts 7 corresponding to the tube cutting saw blade 12, which can be moved between the rubber tube clamping parts 7 through translation. The hose clamping part 7 is provided to clamp the rubber hose, so it can be ensured that the rubber hose between the hose clamping parts 7 does not move.

Specifically, a guide column 2 is provided between the rubber hose storage and placement device 1 and the fixed-length conveying table 5 , and the upper end of the guide column 2 is provided with a rubber tube guide wheel 20 , and the rubber tube is guided from the upper side of the rubber tube guide wheel 20 Bypass, the hose coming out of the hose storage and placement device 1 can be guided by the hose guide wheel 20 to extend upward, and the guide post 2 can be directly connected to the fixed-length conveying table 5 through a horizontal connecting post to ensure that the guide post 2 The stability of the installation.

In this embodiment, a tensioning mechanism 3 is provided between the guide column 2 and the fixed-length conveying table 5 , as shown in FIG. The connecting seat 32 and the rotating rod 31 connected with the connecting base 32 at one end, one end of the rotating rod 31 is installed with a tensioning guide wheel 36, and the rotating rod 31 is connected with a downward extending rod arranged at a right angle to it. 35. The lower end of the downwardly extending rod 35 is connected with a first spring 33 and a second spring 34, one end of the first spring 33 is connected with the fixed-length conveying table 5, and the second spring 34 is vertical. Set straight down, the hose bypassed from the upper side of the hose guide wheel 20 is then bypassed from the lower side of the tensioning guide wheel 36, and then enters the upper side of the fixed-length conveying table 5 after bypassing, and in order to tighten the hose , it is necessary to rotate the rod 31 to exert a downward force, and the downward extension rod 35 can extend the downward force downward. The first spring 33 is arranged obliquely, forming an oblique downward pulling force. The downwardly extending rod 35 is pulled down, and at the same time, the lower end of the second spring 34 can be connected with other fixed parts. As an auxiliary pulling force, both the first spring 33 and the second spring 34 can be disassembled and replaced. Tension adjustment.

In this embodiment, in order to support the rubber tube during the process of returning the rubber tube to the original position after the manipulator 4 releases the rubber tube and prevent the rubber tube from automatically sagging and falling, the fixed-length conveying table 5 is erected at the position corresponding to the rubber tube. At least one escrow cylinder 6 is installed in the direction, the extension rod of the escrow cylinder 6 is set upward, and is connected with a U-shaped bracket, which can hold the rubber hose. 6. The movement of the manipulator 4 will not be interfered by the managed cylinder 6 .

In this embodiment, as a specific embodiment of the hose clamping part 7 , the hose clamping part 7 includes a double-headed cylinder 72 and L-shaped connecting pieces 71 arranged at both ends of the double-headed cylinder 72 . The end of the L-shaped connecting piece 71 is provided with a pipe clamping piece 74, the pipe clamping piece 74 is V-shaped, and the two pipe clamping pieces 74 disposed opposite to each other can firmly clamp the rubber hose. Since the rubber hose is soft, the two rubber hose clamping parts 7 can be arranged horizontally and vertically, respectively, to clamp the rubber hose from two directions.

In this embodiment, a moving slide 10 is installed on the lower part of the rubber tube cutting device A, a moving frame 21 is installed on the upper side of the moving slide 10, and a driving main motor is installed inside the moving frame 21 9. The upper end of the moving slide table 10 is laterally installed with a pipe cutting saw blade spindle 8, the pipe cutting saw blade 12 is sleeved on the pipe cutting saw blade spindle 8, and the driving main motor 9 is connected to the pipe cutting saw blade. The saw blade spindles 8 are connected by transmission through the transmission assembly, the movement of the pipe cutting saw blade 12 can be realized by the smooth sliding of the moving frame 21, and at the same time, the main motor 9 can be driven by the transmission assembly to realize the high-speed rotation of the pipe cutting saw blade 12. The moving frame 21 forms an independent component and does not affect the setting of the driving main motor 9 , and the moving slide 10 can be provided with a shock-absorbing structure, such as shock-absorbing pads or shock-absorbing feet, etc., which can reduce the vibration of the driving main motor 9 . As a specific implementation of the transmission assembly, as shown in FIG. 2 , the transmission assembly includes a transmission pulley 18 installed on one end of the pipe cutting saw blade spindle 8 and the output shaft of the driving main motor 9 . 18 are connected by a transmission belt 19.

A pipe cutting cylinder 11 is laterally installed on one side of the rubber pipe cutting device A, and the extension rod of the pipe cutting cylinder 11 is connected to the moving frame 21 or the moving sliding table 10 .

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the The relative positional relationship between the components, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

In the present invention, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

Claims (10)

1. A rubber hose automatic pipe cutting machine is characterized in that, comprising: A hose storage and placement device (1) for placing continuous hoses; A fixed-length conveying workbench (5) is provided with a laterally movable manipulator (4) on the fixed-length conveying workbench (5), and the manipulator (4) is used for clamping the storage and placement device (1) from the rubber hose ) the delivered hose and pull the hose forward by a fixed distance; A rubber-cutting tube device (A), the rubber-cutting tube device (A) is arranged at one end of a fixed-length conveying table (5), and a radially movable tube-cutting saw blade (12) is arranged inside. The device (A) is provided with a pair of hose clamping parts (7) corresponding to the pipe cutting saw blades (12), and the pipe cutting saw blades (12) are arranged between the two rubber hose clamping parts (7). . 2. The automatic rubber hose cutting machine according to claim 1, characterized in that: a guide column (2) is provided between the rubber hose storage and placement device (1) and the fixed-length conveying table (5). The upper end of the guide column (2) is provided with a rubber tube guide wheel (20), and the rubber tube bypasses the upper side of the rubber tube guide wheel (20). 3. The automatic hose cutting machine according to claim 2, characterized in that: a tensioning mechanism (3) is arranged between the guide column (2) and the fixed-length conveying table (5), and the The tensioning mechanism (3) comprises a connecting seat (32) connected with the fixed-length conveying table (5) and a rotating rod (31) connected with the connecting seat (32) at one end, and one end of the rotating rod (31) is installed There is a tensioning guide wheel (36), the rotating rod (31) is connected with a downwardly extending rod (35) arranged at right angles to it, and the lower end of the downwardly extending rod (35) is connected with a first spring (33) and a second spring (34), one end of the first spring (33) is connected to the fixed-length conveying table (5), and the second spring (34) is arranged vertically downward. 4. The automatic hose cutting machine according to claim 1, characterized in that: a pair of linear bearings (13) are arranged side by side on the fixed-length conveying workbench (5), and the fixed-length conveying workbench ( 5) A rack (14) is provided on one side, a motor (16) is provided on one side of the rack (14), and an output shaft of the motor (16) is mounted with the rack (14) The gears (15) meshing with each other, the motor (16) is connected with the linear bearing (13) through a connecting frame (17), and one end of the connecting frame (17) is installed with a manipulator (4) corresponding to the rubber hose . 5 . The automatic rubber hose cutting machine according to claim 1 , wherein at least one hosting cylinder ( 6 ) is vertically installed on the fixed-length conveying table ( 5 ) at a position corresponding to the rubber hose. 6 . 6. The automatic hose cutting machine according to claim 1, characterized in that: the hose clamping part (7) comprises a double-headed cylinder (72) and an L-shaped connection arranged at both ends of the double-headed cylinder (72). A pipe clamp (74) is installed at the end of the L-shaped connecting piece (71). 7 . The automatic hose cutting machine according to claim 6 , wherein the two hose clamping parts ( 7 ) are arranged horizontally and vertically, respectively. 8 . 8. The automatic rubber hose cutting machine according to claim 1, characterized in that: a moving slide table (10) is installed on the lower part of the rubber tube cutting device (A), and the upper side of the moving slide table (10) A moving frame (21) is installed, a main drive motor (9) is installed inside the moving frame (21), and a pipe cutting saw blade spindle (8) is laterally installed on the upper end of the moving sliding table (10), The pipe cutting saw blade (12) is sleeved on the pipe cutting saw blade main shaft (8), and the drive main motor (9) and the pipe cutting saw blade main shaft (8) are connected by transmission through a transmission assembly. 9 . The automatic rubber hose cutting machine according to claim 8 , wherein the transmission assembly comprises a transmission pulley mounted on one end of the pipe cutting saw blade spindle ( 8 ) and the output shaft of the driving main motor ( 9 ). 10 . (18), the drive pulleys (18) are connected through a drive belt (19). 10. The automatic rubber hose cutting machine according to claim 8, characterized in that: a pipe cutting cylinder (11) is laterally installed on one side of the rubber pipe cutting device (A), and the pipe cutting cylinder (11) The extension rod is connected with the moving frame (21) or the moving sliding table (10).

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