Large-diameter multi-direction adjusting sealing cutting device

Abstract

The utility model discloses a large-caliber multi-direction adjusting sealing cutting device which comprises a base plate, a rotating disc groove is formed in the base plate, a first positioning groove is formed in the center of the bottom of the rotating disc groove, a second positioning groove, a third positioning groove and a fourth positioning groove are formed in the edge sides of the bottom of the rotating disc groove respectively, a hinge is further fixedly arranged on the base plate, and a bolt is fixedly arranged on the hinge. The outer wall of a bolt on a hinge is slidably connected with the inner wall of a hinge hole of a knife handle, the tail of the knife handle is fixedly connected with a handle, a clamping groove is formed in one side of the knife handle, a blade is installed in the clamping groove, and the clamping groove is spirally and fixedly connected with the blade through a plurality of bolts. And 2, the blade can be freely disassembled and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water turbine generator unit mechanical overhauling tool technical field especially relates to a large -diameter multidirectional adjustment sealing cutting device. BACKGROUND

[0002] In water turbine generator unit mechanical overhauling, the sealing of each bearing and main shaft sealing equipment is extremely important, is related to the oil, gas, water sealing of unit in operation, and is the important guarantee of guaranteeing unit safe and stable operation.

[0003] When installing the bearing, the rubber sealing strip of appropriate size is often made on site, after determining the length size in the making process, needs to be cut and pasted to install, the traditional method is to cut obliquely by hand holding the art knife blade after arranging the head and tail, and then sticking the two cutting surfaces with instant adhesive, and the cutting mode of the packing is the same as that. When replacing the air surrounding band of the main shaft sealing, there is often a certain difference between the length of the new air surrounding band and the actual installation length, and the end face needs to be trimmed to adjust to the appropriate length, when the trimming amount is small, the angle grinder is used for grinding, and when the trimming amount is large, the art knife or hand saw is used for cutting.

[0004] The above-mentioned problems have the following shortcomings:

[0005] 1. The operation of hand-held art knife is dangerous, and it is easy to cause injury to the workers;

[0006] 2. The sealing strip or packing is not fixed firmly during cutting, and it is easy to cut misplacement and cause the sealing strip or packing to be scrapped;

[0007] 3. The cutting force is not uniform, resulting in uneven cutting surface and causing the sealing strip or packing to be scrapped;

[0008] 4. The rubber dust generated by the grinding adjustment of the angle grinder is inhaled, affecting the health, and the ground surface is not smooth enough;

[0009] 5. Using art knife or hand saw will also cause the cutting surface to be uneven and smooth, and it is time-consuming and laborious.

[0010] The above-mentioned problems of cutting large-diameter rubber sealing seriously affect the convenience, safety and practicability of on-site operation, and reduce the work efficiency, therefore, a large-diameter multidirectional adjustment sealing cutting device is proposed. UTILITY MODEL CONTENTS

[0011] The utility model solves the problems of operation danger, cutting misplacement, uneven cutting surface, and time-consuming and laborious cutting surface when the workers manually cut the sealing strip.

[0012] In order to solve the above-mentioned problems, the application is realized by the following technical scheme:

[0013] A large-caliber multi-directional adjustment sealing cutting device, comprising a chassis, a rotating disc groove is arranged on the chassis, a first positioning groove is arranged at the center of the bottom of the rotating disc groove,

[0014] A hinge is also fixedly arranged on the chassis, a bolt is fixedly arranged on the hinge, the outer wall of the bolt on the hinge is slidably connected to the inner wall of the hinge hole of the cutter handle, a clamping groove is arranged on one side of the cutter handle, and a blade is arranged in the clamping groove,

[0015] A rotating disc is arranged in the rotating disc groove, a first positioning pin is arranged at the center of the bottom of the rotating disc, a second positioning pin is arranged at the edge of the bottom of the rotating disc, and elastic bands are arranged on both sides of the upper surface of the top of the rotating disc in a center-symmetrical manner along the center of the rotating disc.

[0016] An angle scale is arranged on the side wall of the upper surface of the top of the rotating disc.

[0017] The elastic bands on both sides are symmetrically and parallelly arranged on both sides of the first cutting groove, a plurality of buckling holes are arranged at one end of the elastic band, a plurality of screw holes are arranged on the top of the rotating disc, each buckling hole is aligned with each screw hole, and one end of the elastic band is fixed on the screw hole of the side wall of the top of the rotating disc through the bolt and the buckling hole.

[0018] The top of the rotating disc is also fixedly connected with a fixed buckle, the height of the inner wall of the two ends of the buckle leg of the fixed buckle is greater than the thickness of the elastic band, and the other end of the elastic band is conveniently inserted into the bottom space of the inner wall of the fixed buckle.

[0019] A plurality of rectangular small holes are arranged in parallel on the elastic band, one end of the elastic band is inserted into the bottom of the fixed buckle, after the object to be cut is fixed tightly, a magnet clamping column is inserted through the clamping hole, a certain rectangular small hole on the elastic band and a groove, so as to lock the object to be cut on the side wall of the top of the rotating disc, and the fixed buckle and the chassis are made of iron.

[0020] The top of the rotating disc is provided with a first cutting groove, a second cutting groove and a third cutting groove.

[0021] The edge of the bottom of the rotating disc groove is respectively provided with a second positioning groove, a third positioning groove and a fourth positioning groove, and the distances from the second positioning groove, the third positioning groove and the fourth positioning groove to the first positioning groove are equal.

[0022] The tail of the cutter handle is fixedly connected with a handle.

[0023] The clamping groove is screw-connected with the blade through a plurality of bolts.

[0024] The clamping groove is hollow, a plurality of screw holes are arranged on the side wall of the clamping groove, a plurality of screw holes are arranged on the side wall of the blade, and the screw holes of each clamping groove are screw-connected with the screw holes of the blade through bolts after alignment.

[0025] Preferably, the distance from the first positioning pin to the second positioning pin is equal to the distance from the first positioning groove to the second positioning groove.

[0026] Preferably, the angle between the line connecting the centers of the first positioning slot and the second positioning slot and the line connecting the centers of the first positioning slot and the fourth positioning slot is 30°.

[0027] Preferably, the angle between the line connecting the centers of the first positioning slot and the third positioning slot and the line connecting the centers of the first positioning slot and the fourth positioning slot is 45°.

[0028] Preferably, the projection of the handle connected on the hinge on the rotating disc is perpendicular to the line connecting the first positioning slot and the fourth positioning slot.

[0029] Preferably, the first cutting slot, the second cutting slot and the third cutting slot are of the same size and different directions, and the intersection of the first cutting slot, the second cutting slot and the third cutting slot converges at the center of the rotating disc.

[0030] Preferably, the thickness of the blade is smaller than the width of the first cutting slot, and the length of the blade is smaller than the length of the first cutting slot.

[0031] Compared with the prior art, the utility model has the beneficial effects that:

[0032] 1. The device is convenient to disassemble and assemble, the elastic band on the rotating disc can be used as a handle to facilitate disassembly, replacement and cutting angle change; and the blade can be freely disassembled and replaced.

[0033] 2. The device has wide practicality, can be carried into a small space for cutting operation, is provided with a cutting slot, and can freely change three commonly used cutting angles in actual maintenance; and can cut objects of different sizes, especially large size, and the effect is more obvious.

[0034] 3. The device has high stability, and the cutting object is fixed and reliable, avoiding the scrapping of the cutting object caused by cutting misalignment in the traditional cutting mode; and only slow and uniform force is needed in the cutting process to realize cutting; and the cutting surface of the device is smooth and flat, and does not need secondary processing.

[0035] 4. The large-diameter multi-directional adjustment sealing cutting device is small and convenient, has wide practicality, is convenient to operate, has high safety, improves work efficiency, and is convenient to operate in practice. It can be operated by one hand.

[0036] 5. The safety is increased, the detachable blade is used, the fixing is firm, only the handle needs to be held to operate, avoiding cutting in the traditional handheld blade cutting; the device does not produce rubber dust, avoiding dust inhalation hazards; and the cutting is crisp and neat, reducing the damage and scrapping of the cutting object. BRIEF DESCRIPTION OF DRAWINGS

[0037] FIG. 1 It is the overall structure schematic view of the large-diameter multi-directional adjustment sealing cutting device.

[0038] FIG. 2 is the structure schematic diagram after the device disassembles the turntable and the blade.

[0039] FIG. 3 is the top structure schematic diagram of the turntable of the device.

[0040] FIG. 4 is the disassembled structure enlarged schematic diagram of A of FIG. 3

[0041] FIG. 5 is the bottom structure schematic diagram of the turntable of the device.

[0042] FIG. 6 is the structure schematic diagram of the blade handle of the device.

[0043] The drawing mark: turntable 1, tightness card band 2, fixed buckle 201, card hole 2011, recess 202, magnet card column 203, buckle hole 204, screw hole 2041, angle scale 3, first cutting groove 4, second cutting groove 401, third cutting groove 402, first positioning pin 5, second positioning pin 501, bottom disc 6, turntable groove 7, first positioning groove 8, second positioning groove 801, third positioning groove 802, fourth positioning groove 803, hinge 9, handle 10, blade handle 11, hinge hole 1101, card slot 12, blade 13. DETAILED DESCRIPTION

[0044] It should be understood that the terms "top, bottom, outer wall, interior, one side, side wall, one end, two sides, top, other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The "fixed connection" described in the present application is a conventional method, such as bonding, welding, etc.

[0045] In addition, the description of the present application is only a preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the embodiments, and those skilled in the art can still modify the technical solutions described in the embodiments, such as modifying the cutting angle, and then modifying the position of the cutting groove and the positioning pin or making equivalent replacement of part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0046] Example 1

[0047] As FIG. 1~FIG. 6 ​As shown, a large-caliber multi-directional adjustment sealing cutting device, including a chassis 6, the chassis 6 is provided with a rotating disc groove 7, the bottom center of the rotating disc groove 7 is provided with a first positioning groove 8,

[0048] The chassis 6 is also fixedly provided with a hinge 9, the hinge 9 is fixedly provided with a bolt, the outer wall of the bolt on the hinge 9 is slidably connected to the inner wall of the hinge hole 1101 of the tool handle 11, one side of the tool handle 11 is provided with a clamping groove 12, the clamping groove 12 is internally provided with a blade 13,

[0049] The rotating disc groove 7 is internally provided with a rotating disc 1, the bottom center of the rotating disc 1 is provided with a first positioning pin 5, the bottom edge of the rotating disc 1 is provided with a second positioning pin 501, and the top surface of the rotating disc 1 is provided with two sides of the center of the rotating disc 1.

[0050] The rotating disc 1 is provided with an angle scale 3 on the side edge of the top surface of the rotating disc 1.

[0051] The two sides of the elastic band 2 are symmetrically and parallelly arranged on the two sides of the first cutting groove 4, one end of the elastic band 2 is provided with a plurality of buckle holes 204, the top of the rotating disc 1 is provided with a plurality of screw holes 2041, each buckle hole 204 is aligned with each screw hole 2041, and one end of the elastic band 2 is fixed on the screw hole 2041 of the side wall of the top of the rotating disc 1 through the bolt and the buckle hole 204.

[0052] Preferably, the top of the rotating disc 1 is also fixedly connected with a fixed buckle 201, the height of the inner wall of the two ends of the buckle leg of the fixed buckle 201 is greater than the thickness of the elastic band 2, and the other end of the elastic band 2 is convenient to pass through the bottom space of the inner wall of the fixed buckle 201.

[0053] A plurality of rectangular small holes are arranged in parallel on the elastic band 2, one end of the elastic band 2 is inserted into the bottom of the fixed buckle 201, after the object to be cut is fixed tightly, a magnet clamping column 203 is used to pass through the clamping hole 2011, a certain rectangular small hole on the elastic band 2 and the groove 202, so as to lock the object to be cut on the side wall of the top of the rotating disc 1, and the fixed buckle 201 and the chassis 6 are both made of iron.

[0054] The top center of the rotating disc 1 is provided with a first cutting groove 4, a second cutting groove 401 and a third cutting groove 402.

[0055] The bottom edge side of the rotating disc groove 7 is respectively provided with a second positioning groove 801, a third positioning groove 802 and a fourth positioning groove 803, and the distances from the second positioning groove 801, the third positioning groove 802 and the fourth positioning groove 803 to the first positioning groove 8 are all equal.

[0056] The tail of the tool handle 11 is fixedly connected with a handle 10.

[0057] The clamping groove 12 is screw-fixedly connected with the blade 13 through a plurality of bolts.

[0058] The card slot 12 is hollow inside, and the side wall of the card slot 12 is provided with a plurality of screw holes, and the side wall of the blade 13 is provided with a plurality of screw holes, and the screw holes of each card slot 12 are aligned with the screw holes of each blade 13, and then fixed and connected by bolts.

[0059] Preferably, the distance from the first positioning pin 5 to the second positioning pin 501 is equal to the distance from the first positioning groove 8 to the second positioning groove 801.

[0060] Preferably, the angle between the line connecting the centers of the first positioning groove 8 and the second positioning groove 801 and the line connecting the centers of the first positioning groove 8 and the fourth positioning groove 803 is 30°.

[0061] Preferably, the angle between the line connecting the centers of the first positioning groove 8 and the third positioning groove 802 and the line connecting the centers of the first positioning groove 8 and the fourth positioning groove 803 is 45°.

[0062] Preferably, the projection of the tool handle 11 connected on the hinge 9 on the turntable 1 is perpendicular to the line connecting the first positioning groove 8 and the fourth positioning groove 803.

[0063] Preferably, the first cutting groove 4, the second cutting groove 401 and the third cutting groove 402 are the same size and different directions, and the intersection of the first cutting groove 4, the second cutting groove 401 and the third cutting groove 402 converges at the center of the turntable 1.

[0064] Preferably, the thickness of the blade 13 is less than the width of the first cutting groove 4, and the length of the blade 13 is less than the length of the first cutting groove 4.

[0065] Preferably, a plurality of fixed buckles 201 are symmetrically fixed and installed on both sides of the first cutting groove 4.

[0066] Preferably, a plurality of screw holes 2041 are symmetrically fixed and installed on both sides of the first cutting groove 4.

[0067] As shown in FIG. 1~FIG. 6 , when the tool handle 11 and the center axis of the object to be cut have an angle of 90°, the blade 13 will be in contact with the first cutting groove 4, and at this time, the first positioning pin 5 and the second positioning pin 501 are respectively placed in the first positioning groove 8 and the fourth positioning groove 803.

[0068] As shown in FIG. 1~FIG. 6 , first let the tool handle 11 and the center axis of the object to be cut have an angle of 90°, and then rotate counterclockwise by 30°, the blade 13 will be in contact with the second cutting groove 401, and at this time, the first positioning pin 5 and the second positioning pin 501 are respectively placed in the first positioning groove 8 and the second positioning groove 801.

[0069] As shown in FIG. 1~FIG. 6As shown, first let the handle 11 and the center axis of the object to be cut angle is 90 °, and then clockwise rotation 45 °, the blade 13 will contact the third cutting groove 402 groove, at this time, the first positioning pin 5 and the second positioning pin 501 are placed in the first positioning groove 8 and the third positioning groove 802, respectively.

[0070] The upper surface of the rotating disc 1 is provided with a first cutting groove 4, a second cutting groove 401 and a third cutting groove 402. The cutting grooves avoid damage to the cutting edge during cutting. The length and width of the first cutting groove 4 are greater than the length and thickness of the blade 13. The two sides of the first cutting groove 4 are provided with elastic bands 2 for fixing the object to be cut. The elastic bands 2 can be adjusted in length according to the size of the object to be cut. The edge of the rotating disc 1 is provided with an angle scale 3 for intuitive display and observation of the current cutting angle. The bottom of the rotating disc 1 is fixedly provided with a first positioning pin 5 and a second positioning pin 501. The first positioning pin 5 is located in the middle of the side wall of the bottom of the rotating disc 1, and the second positioning pin 501 is located at the edge of the side wall of the bottom of the rotating disc 1.

[0071] The bottom disc 6 is made of iron. The upper surface of the bottom disc 6 is provided with a rotating disc groove 7. The rotating disc groove 7 is provided with a first positioning groove 8, a second positioning groove 801, a third positioning groove 802 and a fourth positioning groove 803. The first positioning groove 8 in the middle of the rotating disc groove 7 enhances the stability of the rotating disc 1 after installation. When in use, the rotating disc 1 is assembled with the bottom disc 6 according to the required cutting angle. The elastic bands 2 can be used as handles to facilitate the disassembly and assembly of the rotating disc 1.

[0072] The handle 10 is a handheld component. The blade holder 11 can slide up and down along the outer wall of the bolt on the hinge 9 to cut the object. The upper part of the blade holder 11 is the handle 10. The blade holder 11 is provided with a clamping groove 12 corresponding to the cutting groove of the rotating disc 1 for mounting the blade 13. Two bolts are used on both sides of the clamping groove 12 to fix the blade 13, thereby enhancing the firmness of the blade 13 to prevent the blade 13 from suddenly breaking out and causing injury.

[0073] After the rotating disc 1 is installed on the bottom disc 6 according to the required cutting angle, the blade 13 is installed in the clamping groove 12 and locked. After the overall assembly of the device is completed, the object to be cut is placed in the appropriate position of the rotating disc 1 according to the markings. The two ends of the object to be cut are locked by the elastic bands 2. Finally, the object to be cut with a specific angle is obtained by cutting with the handle 10. The cutting surface is smooth and flat.

Claims

1. A large-bore multi-adjustment sealing cutting device comprising a chassis (6), characterized in that, The bottom plate (6) is provided with a rotating disc groove (7), and the bottom center of the rotating disc groove (7) is provided with a first positioning groove (8), The bottom plate (6) is further provided with a hinge (9), the hinge (9) is fixedly provided with a bolt, the bolt on the hinge (9) is slidably connected with the inner wall of the hinge hole (1101) of the handle (11), one side of the handle (11) is provided with a clamping groove (12), and the clamping groove (12) is internally provided with a blade (13), The rotating disc groove (7) is internally provided with a rotating disc (1), the bottom center of the rotating disc (1) is provided with a first positioning pin (5), the bottom edge of the rotating disc (1) is provided with a second positioning pin (501), and the top surface of the rotating disc (1) is provided with elastic bands (2) which are symmetrically arranged on both sides of the rotating disc (1) along the center of the rotating disc (1).

2. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The top surface of the rotating disc (1) is provided with an angle scale (3).

3. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The elastic bands (2) are symmetrically and parallelly arranged on both sides of the first cutting groove (4), one end of the elastic band (2) is provided with a plurality of buckle holes (204), the top of the rotating disc (1) is provided with a plurality of screw holes (2041), each buckle hole (204) is aligned with each screw hole (2041), and one end of the elastic band (2) is fixed on the screw hole (2041) of the side wall of the top of the rotating disc (1) through the bolt and the buckle hole (204).

4. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The top of the rotating disc (1) is further fixedly connected with a fixed buckle (201), the height of the inner wall of the buckle foot of the fixed buckle (201) is greater than the thickness of the elastic band (2), and the other end of the elastic band (2) is convenient to pass through the bottom space of the inner wall of the fixed buckle (201).

5. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, A plurality of rectangular small holes are arranged in parallel on the elastic band (2), one end of the elastic band (2) is inserted into the bottom of the fixed buckle (201), after the cutting object is fixed tightly, the magnet clamping column (203) is passed through the clamping hole (2011), the certain rectangular small hole on the elastic band (2) and the groove (202), so that the cutting object is locked on the side wall of the top of the rotating disc (1), and the fixed buckle (201) and the bottom plate (6) are made of iron.

6. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The top center of the rotating disc (1) is provided with a first cutting groove (4), a second cutting groove (401) and a third cutting groove (402).

7. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The bottom edge side of the rotating disc groove (7) is respectively provided with a second positioning groove (801), a third positioning groove (802) and a fourth positioning groove (803), and the distances from the second positioning groove (801), the third positioning groove (802) and the fourth positioning groove (803) to the first positioning groove (8) are equal.

8. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The tail of the handle (11) is fixedly connected with a handle (10).

9. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The clamping groove (12) is screw-connected with the blade (13) through a plurality of bolts.

10. A large-bore multi-directional adjustment sealed cutting device according to claim 1, wherein, The clamping groove (12) is hollow, the side wall of the clamping groove (12) is provided with a plurality of screw holes, the side wall of the blade (13) is provided with a plurality of screw holes, and each screw hole of the clamping groove (12) is screw-connected with each screw hole of the blade (13) after alignment.

Images