CN113000945A

CN113000945A - But angle regulation's round hole chamfer equipment

Info

Publication number: CN113000945A
Application number: CN202110322818.5A
Authority: CN
Inventors: 吴绍义
Original assignee: Shenzhen Obifen Jewelry Co ltd
Current assignee: Shenzhen Obifen Jewelry Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-06-22

Abstract

The invention discloses a round hole chamfering device with an adjustable angle, which comprises a base mechanism for stabilizing and positioning and a working mechanism for chamfering operation; the base mechanism comprises a main body assembly and a chamfering assembly; the main body assembly is provided with a matching mechanism for matching and positioning with the base mechanism; the chamfering assembly comprises an adjusting mechanism for adjusting the chamfering angle through threads, a tool rest assembly capable of changing the angle and a connecting assembly for connecting the adjusting mechanism and the tool rest assembly; the adjustment of the chamfer angle of the device is realized through thread adjustment, the precision is high, and meanwhile, a certain stability can be ensured by utilizing a self-locking structure of the thread; the device has a large adjustable range and a wide application range; the device has simple structure, uncomplicated principle, relatively low production difficulty and production cost, and relatively convenient later maintenance; the device is simple and efficient to operate, the stability of the base can be guaranteed, and chamfering precision and chamfering quality are greatly improved.

Description

But angle regulation's round hole chamfer equipment

Technical Field

The invention relates to the related field of hardware tools, in particular to a round hole chamfering device with an adjustable angle.

Background

Chamfering refers to machining the corners of a workpiece into a certain inclined plane. The chamfering is to remove burrs generated on the part due to machining, and is also convenient for part assembly, the end part of the part is generally chamfered, the chamfering is divided into a chamfering angle and a fillet, and the chamfering angle is divided into a 45-degree chamfering and a non-45-degree chamfering;

when an angle different from 45 degrees needs to be inverted in production, generally aiming at the situation, a factory needs to prepare a plurality of chamfering devices with different angles on corresponding stations for replacement, and a plurality of chamfering tools are inconvenient to replace and easily cause the loss;

the conventional manual chamfering tool is used for manually drilling a chamfer in a high-speed mode, has no stabilizing tool, has certain requirements on the manipulation of an operator, and is high in chamfering difficulty and low in chamfering precision.

Therefore, in order to solve the above problems, a novel round hole chamfering device is needed, which is provided with a stable base and can independently adjust the chamfering angle.

Disclosure of Invention

In view of this, the invention provides an angle-adjustable round hole chamfering device, which is provided with a stable base and can independently adjust the angle of a chamfer.

An angle-adjustable round hole chamfering device comprises a base mechanism for stabilizing and positioning and a working mechanism for chamfering operation; the base mechanism comprises a main body assembly and a chamfering assembly; the main body assembly is provided with a matching mechanism for matching and positioning with the base mechanism; the chamfering assembly comprises an adjusting mechanism for adjusting the chamfering angle through threads, a tool rest assembly capable of changing the angle and a connecting assembly for connecting the adjusting mechanism and the tool rest assembly; in the device, the rotating block in the adjusting mechanism can adjust the height of the adjusting mechanism through rotation, and the connecting rod in the connecting component drives the unfolding angle of the cutter in the cutter frame component, so that the chamfering angle can be changed and controlled.

Further, among the operating device main part subassembly, main part subassembly includes the mobile jib, sliding connection has the flange board on the mobile jib, mobile jib upper end fixedly connected with is used for the hand to press and the pivoted hand screw cap, the lower extreme of hand screw cap with fixedly connected with big spring between the upper end of flange board.

Further, among the operating mechanism chamfer subassembly, chamfer subassembly includes fixed connection and is in the threaded rod of mobile jib lower extreme, the surface of threaded rod is equipped with the external screw thread, the threaded rod lower extreme is provided with knife rest subassembly, knife rest subassembly includes fixed connection and is in the lower articulated seat of threaded rod lower extreme, radially be provided with six articulated chambers in bottom on the articulated seat down, just all rotate in the articulated chamber in bottom and be connected with the bottom articulated shaft, all rotate on the articulated shaft in bottom and be connected with the blade frame just keep away from centre of a circle one end on the blade frame promptly fixedly connected with cuts when being responsible for the chamfer on the terminal surface that the blade frame dashes down, the cutting edge direction of cutter all dashes to a direction.

Further, among the chamfer subassembly adjustment mechanism, adjustment mechanism includes sliding connection and is in last articulated seat on the threaded rod, it just to be equipped with the ascending rotation chamber of opening in the last articulated seat it has the turning block to rotate in the chamber to rotate, the side part stretches out to outside and fixedly connected with hand twist the ring just the radius of hand twist the ring is greater than go up the radius of articulated seat so that the hand is twisted the regulation, be equipped with upper and lower opening in the turning block and have the internal thread hole of internal screw thread, the internal thread hole with the external screw thread fit.

Further, connect adjustment mechanism with knife rest assembly coupling assembling, coupling assembling is including setting up opening on the blade frame makes progress and inward reservation chamber, it is connected with middle articulated shaft to rotate between the two chambeies of the suitable position of upper side in the reservation chamber, the last rotation of middle articulated shaft is connected with the connecting rod, it also is equipped with six and goes up articulated chamber to go up the corresponding position in the lower terminal surface of articulated seat, go up all to rotate between the corresponding chamber wall in articulated chamber and be connected with articulated shaft just go up the articulated shaft all with corresponding the other end of connecting rod rotates to be connected.

Further, a base mechanism for location and stability, base mechanism includes a base section of thick bamboo, wherein the internal diameter of a base section of thick bamboo should just be greater than the cutter is opening the distance between the both ends of the maximum angle in order to guarantee just to hold, base section of thick bamboo lower extreme fixedly connected with bed plate just internal diameter in the bed plate with the internal diameter of a base section of thick bamboo aligns.

Further, the matching mechanism is used for matching with the base mechanism and comprises a sliding plate fixedly connected to the lower end of the main rod, the sliding plate is located on the lower side of the flange plate and can prevent the flange plate from falling out downwards, meanwhile, the lower end face of the flange plate is in a structure of a step bulge protruding downwards, the diameter of the step bulge is the same as that of the sliding plate, and the step bulge and the sliding plate are slightly smaller than the inner diameter of the base cylinder so far, so that perfect matching is guaranteed.

The invention has the beneficial effects that: the technical scheme provides high-efficiency round hole chamfering equipment which is provided with a stable base and can independently adjust the chamfering angle; the adjustment of the chamfer angle of the device is realized through thread adjustment, the precision is high, and meanwhile, a certain stability can be ensured by utilizing a self-locking structure of the thread; the device has a large adjustable range and a wide application range; the device has simple structure, uncomplicated principle, relatively low production difficulty and production cost, and relatively convenient later maintenance; the device is simple and efficient to operate, the stability of the base can be guaranteed, and the chamfering precision and the chamfering quality are greatly improved; the device has six groups the blade only needs to rotate the angle more than one sixth of a circumference and can chamfer whole round hole, has saved required wrist rotation range when the chamfer when guaranteeing that the atress is even, plays laborsaving effect, has improved work efficiency.

Drawings

Fig. 1 is a schematic sectional view of the chamfering tool.

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the device during chamfering operation;

FIG. 5 is a schematic cross-sectional view of the device at various angles;

FIG. 6 is a detail view of the flange plate of FIG. 1;

FIG. 7 is a schematic partial cross-sectional view of the apparatus;

FIG. 8 is a schematic structural view of the chamfer assembly of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

An adjustable angle round hole chamfering apparatus as described in conjunction with fig. 1-8, comprising a base mechanism 39 for stabilization and positioning and a working mechanism 38 for chamfering operation; the base mechanism 39 comprises a main body assembly 40 and a chamfering assembly 41; the main body component 40 is provided with a matching mechanism 45 for matching and positioning with the base mechanism 39; the chamfering assembly 41 comprises an adjusting mechanism 42 for adjusting the chamfering angle through threads, a tool rest assembly 43 capable of changing the angle and a connecting assembly 44 for connecting the adjusting mechanism 42 with the tool rest assembly 43; in the device, the rotating block 33 in the adjusting mechanism 42 can adjust the height of the adjusting mechanism 42 through rotation, and the connecting rod 28 in the connecting component 44 drives the unfolding angle of the cutter 25 in the cutter frame component 43, so as to change and control the chamfering angle; the technical scheme provides high-efficiency round hole chamfering equipment which is provided with a stable base and can independently adjust the chamfering angle; the adjustment of the chamfer angle of the device is realized through thread adjustment, the precision is high, and meanwhile, a certain stability can be ensured by utilizing a self-locking structure of the thread; the device has a large adjustable range and a wide application range; the device has simple structure, uncomplicated principle, relatively low production difficulty and production cost, and relatively convenient later maintenance; the device is simple and efficient to operate, the stability of the base can be guaranteed, and the chamfering precision and the chamfering quality are greatly improved; the device has six groups the blade only needs to rotate the angle more than one sixth of a circumference and can chamfer whole round hole, has saved required wrist rotation range when the chamfer when guaranteeing that the atress is even, plays laborsaving effect, has improved work efficiency.

In this embodiment, the main assembly 40 in the working mechanism 38, the main assembly 40 includes a main rod 14, a flange plate 15 is slidably connected to the main rod 14, a hand screw 18 for hand pressing and rotating is fixedly connected to the upper end of the main rod 14, and a large spring 17 is fixedly connected between the lower end of the hand screw 18 and the upper end of the flange plate 15.

In this embodiment, the chamfering assembly 41 in the working mechanism 38, the chamfering assembly 41 includes a threaded rod 19 fixedly connected to the lower end of the main rod 14, the surface of the threaded rod 19 is provided with external threads 20, the lower end of the threaded rod 19 is provided with the tool rest assembly 43, the tool rest assembly 43 includes a lower hinge seat 21 fixedly connected to the lower end of the threaded rod 19, six bottom hinge cavities 22 are radially arranged on the lower hinge seat 21, bottom hinge shafts 23 are rotatably connected in the bottom hinge cavities 22, a tool holder 24 is rotatably connected to each bottom hinge shaft 23, a tool 25 responsible for cutting during chamfering is fixedly connected to one end face of the tool holder 24 away from the center of a circle, namely, one end face of the tool holder 24 is punched down, and the cutting edge directions of the tool 25 are all punched towards one direction; when the hand pushes down hand screw cap 18 makes mobile jib 14 passes through threaded rod 19 drives articulated seat 21 makes down cutter 25 withstands to treat the chamfer surface, and the hand is rotatory hand screw cap 18 makes hand screw cap 18 passes through mobile jib 14 with threaded rod 19 drives thereby it drives to articulate seat 21 rotation down thereby cutter 25 is rotatory to be cut and is treated the chamfer surface, because there are six groups in the chamfer subassembly 41 blade frame 24, so only need rotate the angle more than one of sixth of a circumference can carry out the chamfer to whole round hole, saved required wrist rotation range when the chamfer when guaranteeing that the atress is even, played laborsaving effect.

In this embodiment, the adjusting mechanism 42 in the chamfering assembly 41, the adjusting mechanism 42 includes an upper hinge seat 29 slidably connected to the threaded rod 19, a rotating cavity 32 with an upward opening is formed in the upper hinge seat 29, a rotating block 33 is rotatably connected to the rotating cavity 32, an upper portion of the rotating block 33 extends to the outside and is fixedly connected with a hand-tightening ring 34, the radius of the hand-tightening ring 34 is larger than that of the upper hinge seat 29 so as to facilitate hand-tightening adjustment, an internally threaded hole 36 with an internal thread and an upper opening and a lower opening is formed in the rotating block 33, and the internally threaded hole 36 is matched with the external thread 20; when the hand-tightening ring 34 is manually turned, the hand-tightening ring 34 rotates the turning block 33 to change the height position of the upper hinge base 29 on the threaded rod 19.

In this embodiment, the connecting assembly 44 connecting the adjusting mechanism 42 and the tool rest assembly 43 includes a reserved cavity 26 with an upward and inward opening on the tool holder 24, an intermediate hinge shaft 27 is rotatably connected between two cavity walls at a suitable position on the upper side in the reserved cavity 26, a connecting rod 28 is rotatably connected to the intermediate hinge shaft 27, six upper hinge cavities 30 are also provided at corresponding positions in the lower end surface of the upper hinge seat 29, upper hinge shafts 31 are rotatably connected between corresponding cavity walls of the upper hinge cavities 30, and the upper hinge shafts 31 are rotatably connected to the other ends of the corresponding connecting rods 28; when the height of the upper hinge seat 29 is changed under the adjustment of the hand-tightening ring 34 and the rotating block 33, the blade holder 24 in the blade carrier assembly 43 is swung by the transmission of the upper hinge seat 29 through the connecting rod 28, and when the upper hinge seat 29 moves downwards, the angle between the blade holders 24 is enlarged, and when the upper hinge seat 29 moves upwards, the angle between the blade holders 24 is reduced, so that the angle between the cutters 25 is changed, and the angle of the chamfer after cutting is influenced.

In this embodiment, the base mechanism 39 for positioning and stabilizing comprises a base cylinder 12, wherein the inner diameter of the base cylinder 12 is just larger than the distance between the two ends of the cutter 25 which are opened to the maximum angle so as to be just accommodated, the lower end of the base cylinder 12 is fixedly connected with a base plate 11, and the inner diameter of the base plate 11 is aligned with the inner diameter of the base cylinder 12.

In this embodiment, the matching mechanism 45 for matching with the base mechanism 39, the matching mechanism 45 includes a sliding plate 13 fixedly connected to the lower end of the main rod 14, the sliding plate 13 is located at the lower side of the flange plate 15, and can prevent the flange plate 15 from falling downward, and the lower end surface of the flange plate 15 is configured as a step protrusion 16 protruding downward and having the same diameter as that of the sliding plate 13, and the step protrusion 16 and the sliding plate 13 are slightly smaller than the inner diameter of the base cylinder 12 so far, so as to ensure perfect matching; when the sliding hole 35 is combined with the base plate 11, the sliding plate 13 extends into the base barrel 12, the step protrusion 16 at the lower end of the flange plate 15 is just buckled into the base barrel 12 to achieve fit, the base plate 11 is in contact with the upper end face of a workpiece to be chamfered so as to play a stabilizing role, so that the working mechanism 38 is prevented from inclining left and right during chamfering, so that the chamfering precision and quality are affected, when the hand-operated screwing cover 18 moves downwards, the sliding plate 13 slides in the base barrel 12, and the sliding plate and the step protrusion 16 limit the degree of freedom of the working mechanism 38, so that the stability during operation is greatly improved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides an angle adjustable's round hole chamfer equipment, is including the operating device who is used for the base mechanism of stability and location and is used for the chamfer operation, its characterized in that: the base mechanism comprises a main body assembly and a chamfering assembly; the main body assembly is provided with a matching mechanism for matching and positioning with the base mechanism; the chamfering assembly comprises an adjusting mechanism for adjusting the chamfering angle through threads, a tool rest assembly capable of changing the angle and a connecting assembly for connecting the adjusting mechanism and the tool rest assembly; in the device, the rotating block in the adjusting mechanism can adjust the height of the adjusting mechanism through rotation, and the connecting rod in the connecting component drives the unfolding angle of the cutter in the cutter frame component, so that the chamfering angle can be changed and controlled.

2. The round hole chamfering apparatus according to claim 1, wherein: among the operating device main part subassembly, main part subassembly includes the mobile jib, sliding connection has the flange board on the mobile jib, mobile jib upper end fixedly connected with is used for the hand to press and the pivoted hand screw cap, the lower extreme of hand screw cap with fixedly connected with big spring between the upper end of flange board.

3. The round hole chamfering apparatus according to claim 1, wherein: among the operating mechanism chamfer subassembly, chamfer subassembly includes fixed connection and is in the threaded rod of mobile jib lower extreme, the surface of threaded rod is equipped with the external screw thread, the threaded rod lower extreme is provided with knife rest assembly, knife rest assembly includes fixed connection and is in the lower articulated seat of threaded rod lower extreme, radially be provided with six bottom articulated chambers on the articulated seat down, just all rotate in the articulated chamber in bottom and be connected with the bottom articulated shaft, all rotate on the bottom articulated shaft and be connected with the blade frame just keep away from centre of a circle one end on the blade frame promptly fixedly connected with cuts when being responsible for the chamfer on the terminal surface that the blade frame dashes down, the cutting edge direction of cutter all dashes to a direction.

4. The round hole chamfering apparatus according to claim 1, wherein: among the chamfer subassembly adjustment mechanism, adjustment mechanism includes sliding connection and is in last articulated seat on the threaded rod, it just to be equipped with the ascending rotation chamber of opening in the last articulated seat rotate in the chamber and be connected with the turning block, the side part stretches out to outside and fixedly connected with hand twist ring just the radius of hand twist ring is greater than go up the radius of articulated seat so that the hand is twisted and is adjusted, be equipped with upper and lower opening in the turning block and have the internal thread hole of internal screw thread, the internal thread hole with thread fit.

5. The round hole chamfering apparatus according to claim 1, wherein: connect adjustment mechanism with knife rest assembly coupling assembling, coupling assembling is including setting up opening on the blade frame makes progress and inside reservation chamber, it is connected with middle articulated shaft to rotate between the two chamber walls of the suitable position of upper side in the reservation chamber, it is connected with the connecting rod to rotate on the middle articulated shaft, it also is equipped with six and goes up articulated chamber to go up corresponding position in the lower terminal surface of articulated seat, go up and all rotate between the corresponding chamber wall in articulated chamber and be connected with articulated shaft just go up the articulated shaft all with corresponding the other end of connecting rod rotates and connects.

6. The round hole chamfering apparatus according to claim 1, wherein: the base mechanism is used for positioning and stabilizing and comprises a base barrel, wherein the inner diameter of the base barrel is just larger than the distance between two ends of the cutter which is opened to the largest angle so as to ensure that the cutter can be just accommodated, and the lower end of the base barrel is fixedly connected with a base plate, wherein the inner diameter of the base plate is aligned with the inner diameter of the base barrel.

7. The round hole chamfering apparatus according to claim 1, wherein: the matching mechanism is used for being matched with the base mechanism and comprises a sliding plate fixedly connected to the lower end of the main rod, the sliding plate is located on the lower side of the flange plate and can prevent the flange plate from falling out downwards, meanwhile, the lower end face of the flange plate is structurally a step bulge protruding downwards, the diameter of the step bulge is the same as that of the sliding plate, and the step bulge and the sliding plate are slightly smaller than the inner diameter of the base barrel so far, so that perfect matching is guaranteed.