Sample cutting machine

Abstract

The utility model relates to the technical field of plastic pipe cutting, in particular to a sample cutting machine which comprises a protective shell, a cutting bottom plate is fixedly welded to the lower portion of the protective shell, a sample storage groove is formed in the top of the protective shell, and clamping handles are arranged at the left end and the right end of the protective shell. And the end, close to the protective shell, of the clamping handle is connected with a connecting shaft, two sets of driving bevel gears are fixedly arranged outside the connecting shaft, and a driven bevel gear is arranged on one side of each driving bevel gear. According to the plastic pipe cutting device, an existing plastic pipe clamping mode is changed, a plastic pipe sample is clamped from the interior of the plastic pipe, the plastic pipe can be effectively supported, extrusion deformation of the plastic pipe in the cutting process is avoided, the plastic pipe is directly inserted into the exterior of the plastic pipe containing rod when the internal supporting structure is used, and the plastic pipe is not prone to deformation. And the clamping handles on the corresponding sides are rotated to stably clamp the plastic pipes according to the pipe diameters of the plastic pipes, so that the clamping efficiency of the plastic pipes is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe cutting, in particular to a sample cutting machine. Background Art

[0002] Plastic pipes are generally made of polyester as raw material, with stabilizers, lubricants and plasticizers added and made into tubes using pipe making machines. In the performance test of plastic pipes, cutting equipment is often used to cut the plastic pipe samples to facilitate subsequent testing.

[0003] The patent specification with the announcement number CN216781988U discloses a thin-walled plastic tube cutting device, including a cutting module, the cutting module including a base, a knife handle and a tube sizing plate, the base is vertically provided with a support, one end of the handle is movably connected to the support, and the tube sizing plate is fixed to the upper surface of the base; the blade fixed at the bottom of the knife handle cuts the tube on the tube sizing plate; and also includes an adjustment module, the adjustment module includes a guide rail platform, the guide rail platform has protrusions on both sides, and one end is connected to the base, the guide rail platform is provided with a guide rail and is movably connected to a positioning sliding plate, the protrusions on both sides of the guide rail platform limit and fix the front and rear ends of the positioning sliding plate, and a support body clamp for fixing the support body is fixed on the top of the positioning sliding plate. During the cutting process, the internal support body of the tube body is matched with the support body clamp, the internal support body of the tube body is fixed to one end of the cutting position and supports the tube body to be cut, and the radial force received by the tube body during cutting can be differentiated to achieve one-time cutting in place.

[0004] However, in the implementation of relevant technologies, it was found that the thin-walled plastic tube cutting device of the above-mentioned design has the following problems: the thin-walled plastic tube is limitedly clamped by the different diameter tube channels on the tube sizing plate and the supporting body clamp matched therewith. Although this can stably clamp the thin-walled plastic tube, it also causes the thin-walled plastic tube to need to be repeatedly adjusted according to the position of the tube channels of different diameters so that the thin-walled plastic tube can be moved to the appropriate tube channel position. The adjustment steps when clamping the plastic tube are relatively cumbersome. In view of this, a sample cutting machine is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a sample cutting machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sample cutting machine, comprising a protective shell, a cutting bottom plate is fixedly welded at the bottom of the protective shell, and a sample storage groove is opened on the top of the protective shell, and the sample storage groove can be used to place the cut sample plastic tube, the left and right ends of the protective shell are provided with clamping handles, and the end of the clamping handle close to the protective shell is connected to a connecting shaft, two sets of driving bevel gears are fixedly provided on the outside of the connecting shaft, and a driven bevel gear is provided on one side of the driving bevel gear, a transmission screw is installed at one end of the driven bevel gear, and the outside of the transmission screw is connected by a wire The rod nut is installed with a telescopic slide rod, the end of the telescopic slide rod is connected with an internal clamping block, and the inner wall of the protective shell is installed with a hollow plastic tube placement rod, and the plastic tube is directly inserted into the plastic tube placement rod. After rotating the clamping handle, the driven bevel gear is driven to rotate by two sets of driving bevel gears, so that the transmission screw can be rotated and the telescopic slide rod can be driven to slide, thereby driving the internal clamping block to move outward and abut against the inner wall of the plastic tube. The plastic tube is clamped by the inside, and there is no need to repeatedly adjust according to the size of the inner wall of the plastic tube. After the plastic tube is clamped and fixed by the inside, it can meet the subsequent cutting requirements.

[0007] As a further description of the above technical solution: the telescopic slide rod passes through the plastic tube placement rod and is fixedly connected to the internal clamping block, and the internal clamping block is evenly distributed along the axis of the plastic tube placement rod. A limit block can be set on the telescopic slide rod to prevent the telescopic slide rod from rotating, and the internal clamping block abuts against the inner wall of the plastic tube.

[0008] As a further description of the above technical solution: the axes of the two groups of plastic tube placing rods coincide with each other, and the internal clamping block moves outward in the vertical direction of the axes of the plastic tube placing rods. The internal clamping block can clamp the plastic tube from the inside under the action of the telescopic sliding rod, which is more convenient to use.

[0009] As a further description of the above technical solution: a guide slot is provided on the top end surface of the cutting base plate, and a guide slider is installed inside the guide slot, a movable bracket is fixed above the guide slider, and the guide slot can limit the guide slider.

[0010] As a further description of the above technical solution: a blade mounting shell is installed inside the movable bracket, and a cutting knife is arranged inside the blade mounting shell. The movable bracket moves under the action of the guide slider to make the cutting knife close to the front plastic tube.

[0011] As a further description of the above technical solution: a cutting motor is fixedly installed on one side of the blade mounting shell by bolts, and the power output end of the cutting motor is connected to the cutting knife. The cutting motor can drive the cutting knife to rotate through the output end to cut the plastic pipe.

[0012] As a further description of the above technical solution: the plastic tube placing rod is symmetrically arranged on the plane where the vertical center line of the guide slide groove is located, and a feed cylinder is also installed inside the guide slide groove, the telescopic end of the feed cylinder is fixedly connected to the guide slider, and the other end of the feed cylinder is fixedly installed on the guide slide groove by bolts, the telescopic end of the feed cylinder pushes the guide slider forward, so that the cutting knife is close to the plastic tube placing rod.

[0013] The utility model has the following beneficial effects:

[0014] The utility model designs a sample cutting machine which changes the existing plastic tube clamping method and clamps the plastic tube sample from the inside of the plastic tube, thereby effectively supporting the plastic tube and avoiding squeezing and deformation of the plastic tube during the cutting process. The internal supporting structure directly inserts the plastic tube into the outside of the plastic tube placing rod when in use, and the clamping handle on the corresponding side is rotated to stably clamp the plastic tube according to the tube diameter, thereby improving the clamping efficiency of the plastic tube.

[0015] The utility model discloses a sample cutting machine. A slidable cutting knife is arranged on one side of a plastic tube placing rod. The cutting knife rotates under the action of a cutting motor to cut the plastic tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the cutting knife of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the clamping handle of the utility model;

[0019] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Protective shell; 2. Guide slide; 3. Internal clamping block; 4. Cutting bottom plate; 5. Plastic tube placement rod; 6. Sample storage slot; 7. Clamping handle; 8. Feed cylinder; 9. Blade mounting shell; 10. Cutting knife; 11. Guide slide; 12. Movable bracket; 13. Telescopic slide rod; 14. Transmission screw; 15. Driving bevel gear; 16. Driven bevel gear; 17. Connecting shaft. DETAILED DESCRIPTION

[0022] Reference Figure 1-4The utility model provides a sample cutting machine: comprising a protective shell 1, a cutting bottom plate 4 is fixedly welded at the bottom of the protective shell 1, and a sample storage groove 6 is opened at the top of the protective shell 1, and the sample storage groove 6 can be used to place the cut sample plastic tube, and the left and right ends of the protective shell 1 are provided with clamping handles 7, and the end of the clamping handle 7 close to the protective shell 1 is connected with a connecting shaft 17, and two sets of driving bevel gears 15 are fixedly provided on the outside of the connecting shaft 17, and a driven bevel gear 16 is provided on one side of the driving bevel gear 15, and a transmission screw 14 is installed at one end of the driven bevel gear 16, and the outside of the transmission screw 14 is installed through a screw nut There is a telescopic slide rod 13, the end of the telescopic slide rod 13 is connected to an internal clamping block 3, and a hollow plastic tube placement rod 5 is installed on the inner wall of the protective shell 1. The plastic tube is directly inserted into the plastic tube placement rod 5. After rotating the clamping handle 7, the driven bevel gear 16 is driven to rotate through two sets of driving bevel gears 15, so that the transmission screw 14 can be rotated, and the telescopic slide rod 13 is driven to slide, thereby driving the internal clamping block 3 to move outward and abut against the inner wall of the plastic tube. The plastic tube is clamped by the inside, and there is no need to repeatedly adjust according to the size of the inner wall of the plastic tube. After the plastic tube is clamped and fixed by the inside, it can meet the subsequent cutting requirements.

[0023] As a further implementation scheme of the above technical scheme: the telescopic slide rod 13 passes through the plastic tube placement rod 5 and is fixedly connected to the internal clamping block 3, and the internal clamping block 3 is evenly and equidistantly distributed along the axis of the plastic tube placement rod 5. A limit block can be set on the telescopic slide rod 13 to prevent the telescopic slide rod 13 from rotating, and the internal clamping block 3 abuts against the inner wall of the plastic tube.

[0024] As a further implementation scheme of the above technical scheme: the axes of the two groups of plastic tube placing rods 5 coincide with each other, and the internal clamping block 3 moves outward in the vertical direction of the axes of the plastic tube placing rods 5. The internal clamping block 3 can clamp the plastic tube from the inside under the action of the telescopic slide rod 13, which is more convenient to use.

[0025] During the specific implementation, the two ends of the plastic tube are inserted into the plastic tube placement rod 5, and the clamping handles 7 on both sides are rotated respectively. The clamping handles 7 simultaneously drive the two sets of driving bevel gears 15 to rotate through the connecting shaft 17. The driving bevel gears 15 respectively drive the driven bevel gears 16 meshing therewith to rotate, so that the transmission screw 14 can be rotated, and the telescopic slide rod 13 can be driven to slide through the screw nut. Since a limit block is provided on the telescopic slide rod 13, the internal clamping block 3 can be driven to move outward until the internal clamping block 3 abuts against the inner wall of the plastic tube, and the plastic tube is clamped inside for subsequent cutting.

[0026] As a further implementation scheme of the above technical scheme: a guide groove 2 is opened on the top end face of the cutting base plate 4, and a guide slider 11 is installed inside the guide groove 2, and a movable bracket 12 is fixedly arranged above the guide slider 11, and the guide groove 2 can limit the guide slider 11.

[0027] As a further implementation scheme of the above technical scheme: a blade mounting shell 9 is installed inside the movable bracket 12, and a cutting knife 10 is arranged inside the blade mounting shell 9. The movable bracket 12 moves under the action of the guide slider 11, so that the cutting knife 10 is close to the front end of the plastic tube.

[0028] As a further implementation scheme of the above technical scheme: a cutting motor is fixedly installed on one side of the blade mounting shell 9 by bolts, and the power output end of the cutting motor is connected to the cutting knife 10. The cutting motor can drive the cutting knife 10 to rotate through the output end to cut the plastic pipe.

[0029] As a further implementation scheme of the above technical scheme: the plastic tube placing rod 5 is symmetrically arranged on the left and right sides of the plane where the vertical center line of the guide slide groove 2 is located, and a feed cylinder 8 is also installed inside the guide slide groove 2, the telescopic end of the feed cylinder 8 is fixedly connected to the guide slider 11, and the other end of the feed cylinder 8 is fixedly installed on the guide slide groove 2 by bolts, the telescopic end of the feed cylinder 8 pushes the guide slider 11 to move forward, so that the cutting knife 10 is close to the plastic tube placing rod 5.

[0030] During specific implementation, the cutting part is located between two groups of plastic tube placement rods 5, the feed cylinder 8 is started, the feed cylinder 8 pushes the guide slider 11 to move forward, thereby driving the movable bracket 12 to move forward, and the movable bracket 12 drives the cutting knife 10 on the blade mounting shell 9 to move forward, the cutting motor is started, and the transmission shaft of the cutting motor drives the cutting knife 10 to rotate. As the cutting knife 10 rotates, the plastic tube is accurately cut, and the cut sample can be placed in the sample storage slot 6.

[0031] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample cutting machine, comprising a protective housing (1), a cutting base plate (4) is fixedly welded to the bottom of the protective housing (1), and a sample storage groove (6) is provided on the top of the protective housing (1), characterized in that: The left and right ends of the protective shell (1) are both provided with clamping handles (7), and one end of the clamping handle (7) close to the protective shell (1) is connected to a connecting shaft (17), two sets of driving bevel gears (15) are fixedly provided on the outside of the connecting shaft (17), and a driven bevel gear (16) is provided on one side of the driving bevel gear (15), a transmission screw (14) is installed on one end of the driven bevel gear (16), and a telescopic slide rod (13) is installed on the outside of the transmission screw rod (14) through a screw nut, and the end of the telescopic slide rod (13) is connected to an internal clamping block (3), and a hollow plastic tube placement rod (5) is installed on the inner wall of the protective shell (1).

2. A sample cutting machine according to claim 1, characterized in that: The telescopic sliding rod (13) passes through the plastic tube placement rod (5) and is fixedly connected to the internal clamping block (3), and the internal clamping blocks (3) are evenly distributed along the axis of the plastic tube placement rod (5).

3. A sample cutting machine according to claim 2, characterized in that: The axes of the two groups of plastic tube placement rods (5) overlap with each other, and the internal clamping block (3) moves outwards in a direction perpendicular to the axes of the plastic tube placement rods (5).

4. A sample cutting machine according to claim 1, characterized in that: A guide slot (2) is provided on the top end surface of the cutting base plate (4), and a guide slider (11) is installed inside the guide slot (2), and a movable bracket (12) is fixedly arranged above the guide slider (11).

5. A sample cutting machine according to claim 4, characterized in that: A blade mounting shell (9) is installed inside the movable bracket (12), and a cutting knife (10) is arranged inside the blade mounting shell (9).

6. A sample cutting machine according to claim 5, characterized in that: A cutting motor is fixedly mounted on one side of the blade mounting shell (9) by means of bolts, and a power output end of the cutting motor is connected to the cutting knife (10).

7. A sample cutting machine according to claim 6, characterized in that: The plastic tube placement rod (5) is arranged symmetrically with respect to the plane where the vertical center line of the guide slide groove (2) is located, and a feed cylinder (8) is also installed inside the guide slide groove (2), the telescopic end of the feed cylinder (8) is fixedly connected to the guide slider (11), and the other end of the feed cylinder (8) is fixedly installed on the guide slide groove (2) by bolts.

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