CN220311971U

CN220311971U - Positioning device for curved alloy steel saw blade

Info

Publication number: CN220311971U
Application number: CN202321392050.XU
Authority: CN
Inventors: 陈红妹; 王军
Original assignee: Nanjing Xiongfeng Tools Co ltd
Current assignee: Nanjing Xiongfeng Tools Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2024-01-09
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a positioning device for a curved alloy steel saw blade, which relates to the technical field of saw blade positioning and comprises a rotating rod, a saw blade and a hollow block, wherein one end of the rotating rod is fixedly connected with a connecting plate, two internally threaded pipes are symmetrically and fixedly sleeved in the connecting plate, two threaded rods are symmetrically and rotatably sleeved in the hollow block, and the two threaded rods penetrate through the outside of the hollow block and are respectively and spirally sleeved with the inner walls of the corresponding internally threaded pipes. According to the utility model, through the threaded sleeve connection between the two screws and the corresponding internal threaded pipes, the fixed installation of the saw blade can be realized, meanwhile, the dismounting process of the two screws can be simplified by utilizing the first driving mechanism, the saw blade can be conveniently replaced after being worn, and through the self-locking function between the set worm and the worm wheel and the movable plug connection between the limit rod and the limit groove, the double limit of the two screws can be realized, and the loosening condition of the screws in the rotation process of the saw blade is effectively avoided.

Description

Positioning device for curved alloy steel saw blade

Technical Field

The utility model relates to the technical field of saw blade positioning, in particular to a positioning device for a curved alloy steel saw blade.

Background

In the actual processing process of the steel pipe, the long steel pipe is required to be cut into the steel pipe with a fixed length through the saw blade, in the process of realizing the application, the applicant finds that the traditional saw blade structure is mainly installed and fixed by adopting a single bolt, however, the saw blade can loosen the bolt due to vibration in the rotating process of the following rotating shaft, so that the normal use of the saw blade is influenced.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with the conventional positioning devices.

Therefore, the utility model aims to provide the positioning device for the curved alloy steel saw blade, which solves the problem that the normal use of the saw blade is affected because bolts are loosened due to vibration in the process that the saw blade rotates along with the rotating shaft.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a curved positioner for alloy steel saw bit, includes bull stick, saw bit and hollow piece, the one end fixedly connected with connecting plate of bull stick, two internal thread pipes have been cup jointed to the inside symmetry of connecting plate, two the inside symmetry rotation of hollow piece has cup jointed two screws, two the screw rod all runs through the outside of hollow piece and cup joints with the inner wall screw thread of corresponding internal thread pipe respectively, the inside of hollow piece is provided with first actuating mechanism, first actuating mechanism is connected with two screw transmissions, utilizes the screw socket joint between two screws that set up and the internal thread pipe that corresponds, can realize the fixed mounting to the saw bit, can utilize the first actuating mechanism that sets up to simplify the dismouting process to two screws simultaneously, is convenient for change it after the saw bit wearing and tearing.

Preferably, the first actuating mechanism includes worm and two worm wheels, the worm rotates the inside that sets up in the hollow piece and one end runs through to the outside of hollow piece, two the worm wheel is fixed to cup joint with the pole wall of corresponding screw rod respectively, two the worm wheel symmetry sets up in the both sides of worm and all is connected with the worm meshing, the cavity has been seted up to the inside of worm, the through-hole has been seted up to the one end of cavity, the inside of through-hole is provided with second actuating mechanism, utilizes the meshing connection between worm and two worm wheels that set up, can drive two worm wheels and drive the screw rod rotation that corresponds respectively at worm pivoted in-process to can make two screw rods and corresponding internal thread union coupling or separation.

Preferably, the second actuating mechanism includes actuating lever and connecting block, the actuating lever activity wears to locate the inside of slot and be located the inside one end and the connecting block fixed connection of slot, two drive blocks of lateral wall symmetry fixedly connected with of connecting block, two drive slots have been seted up to the inner wall symmetry of slot, two the drive block slides respectively and sets up in the inside of corresponding drive slot, utilizes the sliding connection between two drive blocks that set up and the corresponding drive slot, can drive the worm rotation at actuating lever pivoted in-process to can realize the drive to first actuating mechanism.

Preferably, a spring is arranged in the cavity, the spring is movably sleeved with the rod wall of the driving rod, two ends of the spring are fixedly connected with the inner wall of the cavity and the connecting block respectively, and the connecting block can be extruded through the elasticity of the spring by using the arranged spring, so that the knob is close to the hollow block.

Preferably, the one end fixedly connected with knob that the actuating lever is located the cavity outside utilizes the knob that sets up, can be convenient for drive the actuating lever to can realize the drive to second actuating mechanism.

Preferably, the limit groove has been seted up to one side outer wall of hollow piece, one side fixedly connected with gag lever post of knob, gag lever post and limit groove assorted utilizes the gag lever post of setting and the limit groove of seting up, can carry out spacingly to the knob after installing the saw bit, avoids the saw bit to take place to rotate because vibrations result in the knob to influence the installation effect to the saw bit at pivoted in-process.

Preferably, two mounting holes are symmetrically formed in the saw blade, two screws are movably sleeved with the corresponding mounting holes respectively, and the two mounting holes are utilized to facilitate the plugging and mounting of the two screws.

Preferably, the spring is a compression spring, and the connecting block can be always extruded by using the compression spring, so that the limiting rod and the limiting groove are kept in a stable plug-in state.

Preferably, the side wall of the knob is provided with an anti-slip groove in a surrounding mode, and the friction force of the side wall of the knob can be increased by using the provided anti-slip groove so as to drive the knob to rotate.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, through the threaded sleeve joint between the two screws and the corresponding internal threaded pipes, the fixed installation of the saw blade can be realized, and meanwhile, the dismounting process of the two screws can be simplified by using the first driving mechanism, so that the saw blade can be replaced after being worn.

2. According to the utility model, through the self-locking function between the worm and the worm wheel and the movable plug-in connection between the limiting rod and the limiting groove, the double limiting of the two screws can be realized, and the loosening condition of the screws in the rotation process of the saw blade is effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection of the saw blade to the rotary lever of the present utility model;

FIG. 3 is a schematic cross-sectional connection between a worm and a knob of the present utility model;

fig. 4 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.

Reference numerals illustrate:

1. a rotating rod; 2. a saw blade; 3. a hollow block; 4. a connecting plate; 5. an internally threaded tube; 6. a screw; 7. a worm; 8. a worm wheel; 9. a driving rod; 10. a connecting block; 11. a driving block; 12. a spring; 13. a knob; 14. and a limit rod.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a positioning device for a curved alloy steel saw blade.

Example 1

The utility model provides a positioning device for a curved alloy steel saw blade as shown in fig. 1-4, which comprises a rotating rod 1, a saw blade 2 and a hollow block 3, wherein one end of the rotating rod 1 is fixedly connected with a connecting plate 4, two internally threaded pipes 5 are symmetrically and fixedly sleeved in the connecting plate 4, two threaded rods 6 are symmetrically and rotatably sleeved in the hollow block 3, the two threaded rods 6 penetrate through the hollow block 3 and are respectively and fixedly sleeved with the inner wall threads of the corresponding internally threaded pipes 5, two mounting holes are symmetrically formed in the saw blade 2, the two threaded rods 6 are respectively and movably sleeved with the corresponding mounting holes, the two threaded rods 6 can be conveniently inserted and mounted by utilizing the two mounting holes, a first driving mechanism is arranged in the hollow block 3 and is in transmission connection with the two threaded rods 6, the fixed mounting of the saw blade 2 can be realized by utilizing the threads sleeved between the two threaded rods 6 and the corresponding internally threaded pipes 5, meanwhile, the dismounting process of the two threaded rods 6 can be simplified by utilizing the first driving mechanism, and the saw blade 2 can be conveniently replaced after being worn.

As shown in fig. 1, the first driving mechanism includes a worm 7 and two worm gears 8, the worm 7 rotates and sets up in the inside of hollow block 3 and one end runs through to the outside of hollow block 3, two worm gears 8 are fixed with the pole wall of corresponding screw rod 6 respectively and cup joint, two worm gears 8 symmetry set up in the both sides of worm 7 and all are connected with worm 7 meshing, the cavity has been seted up to the inside of worm 7, the through-hole has been seted up to the one end of cavity, the inside of through-hole is provided with the second driving mechanism, utilize the meshing connection between worm 7 and two worm gears 8 that set up, can drive two worm gears 8 and drive the screw rod 6 rotation that corresponds respectively at worm 7 pivoted in-process, thereby can make two screw rods 6 be connected or separate with corresponding internal thread pipe 5.

As shown in fig. 4, the second driving mechanism includes a driving rod 9 and a connecting block 10, the driving rod 9 movably penetrates through the inside of the slot and is located at one end of the inside of the slot and is fixedly connected with the connecting block 10, two driving blocks 11 are symmetrically and fixedly connected with the side wall of the connecting block 10, two driving grooves are symmetrically formed in the inner wall of the slot, the two driving blocks 11 are respectively and slidably arranged in the corresponding driving grooves, and the driving worm 7 can be driven to rotate in the process of rotation of the driving rod 9 by utilizing the sliding connection between the two driving blocks 11 and the corresponding driving grooves, so that the driving of the first driving mechanism can be realized.

Example two

On the basis of the first embodiment, as shown in fig. 4, a spring 12 is arranged in the cavity, the spring 12 is movably sleeved with the rod wall of the driving rod 9, two ends of the spring 12 are fixedly connected with the inner wall of the cavity and the connecting block 10 respectively, the connecting block 10 can be extruded by the elasticity of the spring 12 through the arranged spring 12, the knob 13 is enabled to be close to the hollow block 3, the spring 12 is a compression spring, the connecting block 10 can be always extruded by the arranged compression spring, and the limiting rod 14 and the limiting groove are enabled to keep in a stable plug-in connection state.

Example III

On the basis of the first embodiment, as shown in fig. 1 and fig. 3-4, one end of the driving rod 9, which is located outside the cavity, is fixedly connected with a knob 13, and the driving rod 9 can be conveniently driven by using the knob 13, so that the driving of the second driving mechanism can be realized, the side wall of the knob 13 is provided with an anti-slip slot in a surrounding manner, and the friction force of the side wall of the knob 13 can be increased by using the anti-slip slot in a surrounding manner, so that the knob 13 is driven to rotate.

Example IV

On the basis of the first embodiment, as shown in fig. 1 and fig. 3-4, a limit groove is formed in the outer wall of one side of the hollow block 3, a limit rod 14 is fixedly connected to one side of the knob 13, the limit rod 14 is matched with the limit groove, the limit rod 14 and the limit groove can be utilized to limit the knob 13 after the saw blade 2 is installed, and the problem that the installation effect on the saw blade 2 is affected due to the fact that the knob 13 rotates due to vibration in the rotating process of the saw blade 2 is avoided.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a curved positioner for alloy steel saw bit, includes bull stick (1), saw bit (2) and hollow piece (3), its characterized in that, the one end fixedly connected with connecting plate (4) of bull stick (1), two internal thread pipes (5) have been cup jointed to the inside symmetry of connecting plate (4), two screw rods (6) have been cup jointed in the inside symmetry rotation of hollow piece (3), two screw rods (6) all run through to the outside of hollow piece (3) and cup joint with the inner wall screw thread of corresponding internal thread pipe (5) respectively, the inside of hollow piece (3) is provided with first actuating mechanism, first actuating mechanism is connected with two screw rods (6) transmission.

2. The positioning device for the curved alloy steel saw blade according to claim 1, wherein the first driving mechanism comprises a worm (7) and two worm gears (8), the worm (7) is rotatably arranged in the hollow block (3) and one end of the worm is penetrated to the outside of the hollow block (3), the two worm gears (8) are fixedly sleeved with the rod wall of the corresponding screw (6) respectively, the two worm gears (8) are symmetrically arranged on two sides of the worm (7) and are engaged with the worm (7), a cavity is formed in the worm (7), a through hole is formed in one end of the cavity, and a second driving mechanism is arranged in the through hole.

3. The positioning device for the curved alloy steel saw blade according to claim 2, wherein the second driving mechanism comprises a driving rod (9) and a connecting block (10), the driving rod (9) movably penetrates through the inside of the slot and is located at one end of the inside of the slot and is fixedly connected with the connecting block (10), two driving blocks (11) are symmetrically and fixedly connected to the side wall of the connecting block (10), two driving grooves are symmetrically formed in the inner wall of the slot, and the two driving blocks (11) are respectively and slidably arranged in the corresponding driving grooves.

4. The positioning device for the curved alloy steel saw blade according to claim 2, wherein a spring (12) is arranged in the cavity, the spring (12) is movably sleeved with the rod wall of the driving rod (9), and two ends of the spring (12) are fixedly connected with the inner wall of the cavity and the connecting block (10) respectively.

5. A positioning device for a curved alloy steel saw blade according to claim 3, wherein one end of the driving rod (9) located outside the cavity is fixedly connected with a knob (13).

6. The positioning device for the curved alloy steel saw blade according to claim 5, wherein a limit groove is formed in the outer wall of one side of the hollow block (3), a limit rod (14) is fixedly connected to one side of the knob (13), and the limit rod (14) is matched with the limit groove.

7. The positioning device for the curved alloy steel saw blade according to claim 1, wherein two mounting holes are symmetrically formed in the saw blade (2), and the two screws (6) are movably sleeved with the corresponding mounting holes respectively.

8. The positioning device for a curved alloy steel saw blade according to claim 4, wherein said spring (12) is a compression spring.

9. The positioning device for the curved alloy steel saw blade according to claim 6, wherein the side wall of the knob (13) is provided with an anti-skid groove in a surrounding manner.