阅读说明：本技术 一种便于更换的机械加工锉刀的连接结构 (Machining file's connection structure convenient to change ) 是由 郭本树 于 2021-02-04 设计创作，主要内容包括：本发明涉及切削工具技术领域,具体为一种便于更换的机械加工锉刀的连接结构,包括手柄以及锉刀,锉刀一端通过定位组件固定于手柄上,锉刀另一端底部竖直放置有切刀,切刀的底部套接有放置架,手柄的外部滑动套设有固定筒,固定筒前上安装有两组支撑柱,支撑柱上滑动套设有伸缩管,伸缩管底部设有压紧组件,压紧组件包括两组压板,两组压板由驱动装置驱动并在伸锁管上进行直线往复运动,压板靠近切刀的一端固定粘接有橡胶垫片。本发明利用直线相向移动的两个压板,可以很好的锁紧切刀,避免切刀发生位置上的偏移,为锉刀提供很好的作业条件,有效保障锉刀的加工效率。(The invention relates to the technical field of cutting tools, in particular to a connecting structure of a machining file convenient to replace, which comprises a handle and the file, wherein one end of the file is fixed on the handle through a positioning assembly, a cutter is vertically arranged at the bottom of the other end of the file, a placing frame is sleeved at the bottom of the cutter, a fixing cylinder is slidably sleeved outside the handle, two groups of supporting columns are arranged in front of the fixing cylinder, telescopic pipes are slidably sleeved on the supporting columns, a pressing assembly is arranged at the bottoms of the telescopic pipes and comprises two groups of pressing plates, the two groups of pressing plates are driven by a driving device and perform linear reciprocating motion on the telescopic locking pipes, and a rubber gasket is fixedly bonded at one end, close to. According to the invention, the two pressing plates which move in opposite directions linearly are utilized, so that the cutter can be well locked, the position deviation of the cutter is avoided, good operating conditions are provided for the file, and the processing efficiency of the file is effectively ensured.)

1. The utility model provides a connection structure of machining file convenient to change, includes handle (1) and file (6), its characterized in that: one end of the file (6) is fixed on the handle (1) through a positioning component, the bottom of the other end of the file (6) is vertically provided with a cutting knife (7), the bottom of the cutter (7) is sleeved with a placing rack (8), the outer part of the handle (1) is sleeved with a fixed cylinder (2) in a sliding manner, two groups of supporting columns (3) are symmetrically arranged on the front end wall of the fixed cylinder (2), the telescopic pipe (4) is slidably sleeved on the supporting column (3), one end of the telescopic pipe (4) is fixed on the supporting column (3) in a multi-stage manner through a clamping component, the bottom of the other end of the extension tube (4) is provided with a pressing component, the pressing component comprises two groups of pressing plates (15), the two groups of pressing plates (15) are driven by a driving device and perform linear reciprocating motion on the extension locking tube (4), the two groups of pressing plates (15) are in mirror symmetry with respect to the cutter (7), and a rubber gasket (16) is fixedly bonded at one end of the pressing plate (15) close to the cutter (7).

2. The connecting structure of a machining file convenient to replace according to claim 1, wherein: the utility model discloses a telescopic pipe, including telescopic pipe (4), back end cover, grudging post (21), stand (21) fixed connection telescopic pipe (4), the piston rod of pneumatic cylinder (20) stretches into cavity and fixed connection push pedal, and butt plate (19) are connected in the push pedal conflict, and the both sides setting of push pedal (19) is the inclined plane form and contradicts with inclined plane movable block (17) slip.

3. The connecting structure of a machining file convenient to replace according to claim 2, wherein: the upper side and the lower side of the inclined plane moving block (17) are both fixedly provided with universal balls (18), the upper side and the lower side of the cavity are both provided with sliding grooves, the universal balls (18) are in rolling fit with the sliding grooves, one end, close to the abutting plate (19), of the inclined plane moving block (17) is provided with a long sliding groove, and the abutting plate (19) is fixedly connected with a limiting block which is inserted into the long sliding groove.

4. The connecting structure of a machining file convenient to replace according to claim 3, wherein: the one end that cutter (7) was kept away from in flexible pipe (4) is seted up the columnar order chamber that holds support column (3), and the standing groove has been seted up in the both sides of columnar order chamber, is equipped with the joint subassembly in the standing groove, and the joint subassembly includes driving lever (22), inserted block (23) and S-shaped steel sheet (24), a plurality of draw-in grooves (25) that are the distribution of rectangular array are all seted up to support column (3) stretch into columnar order chamber and its both sides, and inserted block (23) one end fixed connection S-shaped steel sheet (24), and the inserted block (23) other end is inserted and is established in draw-in groove (25.

5. The connecting structure of a machining file convenient to replace according to claim 4, wherein: the outer side wall of the telescopic pipe (4) is provided with a ring-shaped groove, a driving disc (5) is rotatably mounted in the ring-shaped groove, the upper end face of the driving disc (5) is provided with two groups of arc-shaped grooves (26) distributed in a ring-shaped array, one end of a deflector rod (22) is fixedly connected with an insert block (23), and the other end of the deflector rod (22) is inserted in the arc-shaped grooves (26) and is in sliding fit with the same.

6. The connecting structure of a machining file convenient to replace according to claim 5, wherein: handle (1) is close to the one end of flexible pipe (4) and has been seted up the rectangle recess, the handle of a knife portion of file (6) stretches into in the rectangle recess, and the handle of a knife portion both sides of file (6) have all been seted up a set of constant head tank, the both sides of rectangle recess all are equipped with the activity groove, the activity inslot is equipped with locating component, locating component includes fixture block (9), first magnetic sheet (10) and second magnetic sheet (11), fixture block (9) one end is fixed to be set up first magnetic sheet (10), fixture block (9) other end sets up and is circular-arc to insert and establish in the constant head tank, second magnetic sheet (11) are fixed to be set up on the lateral wall in activity groove, and first magnetic sheet (10) and second magnetic sheet (11) set up for the magnetic pole of the.

7. The connecting structure of a machining file convenient to replace according to claim 5, wherein: the outer side wall of the handle (1) is provided with a groove, the upper end face of the clamping block (9) is provided with a bevel cavity, a baffle (14) is arranged in the groove in a sliding mode, the baffle (14) is fixedly connected with a spring (13), a pressing rod (12) is inserted into the spring (13), one end of the pressing rod (12) is fixedly connected with the baffle (14), and the other end of the pressing rod (12) is inserted into the bevel cavity.

Technical Field

The invention relates to the field of cutting tools, in particular to a connecting structure of a machining file convenient to replace.

Background

The invention patent of China with application number CN202010762807.4 discloses a cutter slotting and positioning tool, which comprises a hard block and a locking mechanism, wherein a first surface of the hard block is provided with a cutter clamping groove for accommodating a cutter, a second surface of the hard block is provided with a file advancing groove for the file to pass through, the second surface is the opposite surface of the first surface, and the cutter clamping groove is perpendicular to and communicated with the file advancing groove; the opening direction of the cutter clamping groove is opposite to the opening direction of the file advancing groove, and the extending direction of the file advancing groove is vertical to the cutter; the locking mechanism is used for locking the hard block on the cutter. The slotting machine can enable an operator to conveniently and accurately slot the cutter, and can well avoid the phenomenon that the file slips during slotting, so that other parts of the cutter are effectively prevented from being damaged, the cutter is prevented from being scrapped, and the maintenance cost is reduced. However, the invention has some problems in use;

the locking mechanism in the invention has poor locking effect on the cutters, and the cutters with different thicknesses can not be used, thereby causing low processing efficiency of the file.

In view of this, we propose a connecting structure of machining file that is easy to replace.

Disclosure of Invention

The present invention is directed to a connecting structure of machining files, which is easy to replace, and solves the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a connection structure of machining file convenient to change, includes handle and file, file one end is fixed in on the handle through locating component, the vertical cutter of having placed in file other end bottom, the rack has been cup jointed to the bottom of cutter, and the outside slip cover of handle is equipped with solid fixed cylinder, two sets of support columns are installed to solid fixed cylinder front end wall's symmetry, the slip cover is equipped with flexible pipe on the support column, flexible pipe one end is multistage being fixed in the support column through the joint subassembly, flexible pipe other end bottom is equipped with compresses tightly the subassembly, compress tightly the subassembly and include two sets of clamp plates, two sets of clamp plates are driven by drive arrangement and carry out sharp reciprocating motion on stretching the lock pipe, and two sets of clamp plates are mirror symmetry about the cutter, and the one end that the clamp plate.

Preferably, the flexible pipe is close to the one end of cutter and has been seted up the cavity, is equipped with drive arrangement in the cavity, and drive arrangement includes pneumatic cylinder, inclined plane movable block and supports the board, the lower surface and the grudging post fixed connection of preceding, the rear end cap of pneumatic cylinder, the flexible pipe of grudging post fixed connection, the piston rod of pneumatic cylinder stretch into cavity and fixed connection push pedal, and the push pedal is contradicted and is connected and support the board, and the both sides setting of push pedal is the inclined plane form and slides with the inclined plane movable block and.

Preferably, the upper side and the lower side of the inclined plane moving block are both fixedly provided with universal balls, the upper side and the lower side of the cavity are both provided with sliding grooves, the universal balls are in rolling fit with the sliding grooves, one end, close to the abutting plate, of the inclined plane moving block is provided with a long sliding groove, and the abutting plate is fixedly connected with a limiting block which is inserted into the long sliding groove.

Preferably, the one end that the cutter was kept away from to flexible pipe is seted up the cylindricality chamber that holds the support column, and the standing groove has been seted up in the both sides of cylindricality chamber, is equipped with the joint subassembly in the standing groove, and the joint subassembly includes driving lever, inserted block and S-shaped steel sheet, a plurality of draw-in grooves that are the rectangular array and distribute are all seted up to support column stretching into cylindricality chamber and its both sides, and inserted block one end fixed connection S-shaped steel sheet, the inserted block other end is inserted and is established in the draw-.

Preferably, the outer side wall of the telescopic pipe is provided with a ring-shaped groove, a driving disc is rotatably mounted in the ring-shaped groove, two groups of arc-shaped grooves distributed in a ring-shaped array are formed in the upper end face of the driving disc, one end of the deflector rod is fixedly connected with the insert block, and the other end of the deflector rod is inserted in the arc-shaped grooves and is in sliding fit with the arc-shaped grooves.

Preferably, the handle is close to the one end of flexible pipe and has been seted up the rectangle recess, the handle of a knife portion of file stretches into in the rectangle recess, and the handle of a knife portion both sides of file have all seted up a set of constant head tank, the both sides of rectangle recess all are equipped with the activity groove, the activity inslot is equipped with locating component, locating component includes the fixture block, first magnetic sheet and second magnetic sheet, the fixed first magnetic sheet that sets up of fixture block one end, the fixture block other end sets up and is circular-arcly to insert and establish in the constant head tank, the fixed setting of second magnetic sheet is on the lateral wall in activity groove, and first magnetic sheet sets up for the magnetic pole of the same name relatively.

Preferably, the outer side wall of the handle is provided with a groove, the upper end face of the clamping block is provided with a slope cavity, the groove is internally provided with a baffle in a sliding manner, the baffle is fixedly connected with a spring, a pressing rod is inserted in the spring, one end of the pressing rod is fixedly connected with the baffle, and the other end of the pressing rod is inserted in the slope cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. the clamping device has the advantages that the tension of the S-shaped steel sheet acts on the inserting block, so that the inserting block is stably inserted into the clamping groove, the telescopic pipe can be adjusted in multiple stages and timely limited and fixed by selectively using the clamping groove to be matched with the clamping component, and the pressing mechanism can be better matched with a file for use; the driving disc is held by hand to rotate anticlockwise, and the arc-shaped groove on the driving disc acts on the shifting lever, so that the shifting lever is stressed and drives the insertion block to be rapidly extracted from the clamping groove, the telescopic pipe normally slides on the supporting column, and the total length formed by the telescopic pipe and the supporting column is convenient to adjust;

2. the invention utilizes the repulsive force between the first magnetic plate and the second magnetic plate with the same name to act on the clamping block, so that the clamping block is stably inserted in the positioning groove, and the file and the handle are quickly assembled and fixed; and through pressing the baffle for baffle extrusion spring and drive the depression bar and stretch into the bevel chamber, make the fixture block atress take out from the constant head tank, thereby realize tearing open fast of file, and the later stage of being convenient for overhauls the change.

3. The hydraulic cylinder, the inclined plane moving block and the abutting plate are matched for use, and the two pressing plates can linearly move in opposite directions, so that the two pressing plates can well lock the cutter, the cutter is prevented from being shifted in position, good operating conditions are provided for the file, and the processing efficiency of the file is effectively guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1;

FIG. 4 is a schematic view of a drive disk in the configuration of the present invention.

In the figure: the cutting device comprises a handle 1, a fixed cylinder 2, a support column 3, an extension pipe 4, a driving disc 5, a file 6, a cutter 7, a placing frame 8, a clamping block 9, a first magnetic plate 10, a second magnetic plate 11, a pressure rod 12, a spring 13, a baffle plate 14, a pressure plate 15, a rubber gasket 16, an inclined plane moving block 17, a universal ball 18, a resisting plate 19, a hydraulic cylinder 20, a vertical frame 21, a deflector rod 22, an inserting block 23, an S-shaped steel sheet 24, a clamping groove 25 and an arc-shaped groove 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a connection structure of machining file convenient to change, including handle 1 and file 6, 6 one end of file is fixed in on the handle 1 through locating component, the vertical cutter 7 of having placed in 6 other end bottoms of file, the rack 8 has been cup jointed to the bottom of cutter 7, the outside slip cover of handle 1 is equipped with solid fixed cylinder 2, two sets of support columns 3 are installed to the symmetry of solid fixed cylinder 2 front end wall, the slip cover is equipped with flexible pipe 4 on the support column 3, flexible pipe 4 one end is multistage being fixed in support column 3 through the joint subassembly, flexible pipe 4 other end bottom is equipped with compresses tightly the subassembly, compress tightly the subassembly and include two sets of clamp plates 15, two sets of clamp plates 15 are driven by drive arrangement and carry out sharp reciprocating motion on stretching lock pipe 4, two sets of clamp plates 15 are mirror symmetry about cutter 7, and the fixed bonding of one. The inner wall surface of the rubber gasket 16 is provided with linear anti-skid convex lines for enhancing the pressing effect on the cutter.

As shown in fig. 1 and 2, one end of the telescopic tube 4 close to the cutter 7 is provided with a cavity, a driving device is arranged in the cavity, the driving device comprises a hydraulic cylinder 20, an inclined plane moving block 17 and a resisting plate 19, the lower surfaces of the front end cover and the rear end cover of the hydraulic cylinder 20 are fixedly connected with an upright frame 21, the upright frame 21 is fixedly connected with the telescopic tube 4, a piston rod of the hydraulic cylinder 20 extends into the cavity and is fixedly connected with a push plate, the push plate is abutted against the resisting plate 19, and two sides of the push plate 19 are arranged to be inclined planes and are slidably abutted. The piston rod of the hydraulic cylinder 20 acts on the push plate, so that the push plate drives the abutting plate 19 to do linear up-and-down motion, when the abutting plate 19 moves downwards, the inclined plane moving blocks 17 at two ends of the abutting plate are stressed and drive the pressing plate 15 to leave the cutter 7, when the abutting plate 19 moves upwards, the inclined plane moving blocks 17 at two ends of the abutting plate are stressed and drive the pressing plate 15 to drive the cutter 7, horizontal opposite motion of the two groups of pressing plates 15 is achieved, the two pressing plates 15 which move in opposite directions through the straight line are utilized, the cutter 7 can be well locked, the cutter 7 is prevented from being shifted in position, good operation conditions are provided for the file 6, and the processing efficiency of the file is effectively guaranteed.

As shown in fig. 2, universal balls 18 are fixedly arranged on the upper side and the lower side of the inclined moving block 17, sliding grooves are formed in the upper side and the lower side of the cavity, the universal balls 18 are in rolling fit with the sliding grooves, a long sliding groove is formed in one end, close to the abutting plate 19, of the inclined moving block 17, and the abutting plate 19 is fixedly connected with a limiting block inserted into the long sliding groove. The universal ball 18 is used as a support of the inclined plane moving block 17 to be in contact with the cavity, so that the friction resistance is low, the transmission abrasion of the moving block 17 can be reduced to a certain extent, and the service life of the driving device is prolonged.

As shown in fig. 1 and 3, the one end of the telescopic pipe 4 far away from the cutter 7 is provided with a cylindrical cavity for accommodating the support column 3, the two sides of the cylindrical cavity are provided with placing grooves, a clamping assembly is arranged in the placing grooves and comprises a shift lever 22, an insertion block 23 and an S-shaped steel sheet 24, the support column 3 stretches into the cylindrical cavity and the two sides of the cylindrical cavity are provided with a plurality of clamping grooves 25 distributed in a rectangular array, one end of the insertion block 23 is fixedly connected with the S-shaped steel sheet 24, and the other end of the insertion block 23 is inserted in the clamping grooves 25. Utilize the tension of S-shaped steel sheet 24 self to act on inserted block 23 for inserted block 23 is pegged graft in draw-in groove 25 steadily, and cooperatees with the joint subassembly through selective use draw-in groove 25, can carry out multistage regulation and in time spacing fixed to flexible pipe 4, thereby can use with the cooperation of file 6 better with hold-down mechanism.

As shown in fig. 3 and 4, an annular groove is formed in an outer side wall of the telescopic tube 4, the driving disc 5 is rotatably mounted in the annular groove, two sets of arc-shaped grooves 26 distributed in an annular array are formed in an upper end face of the driving disc 5, one end of the shift lever 22 is fixedly connected with the insertion block 23, and the other end of the shift lever 22 is inserted into the arc-shaped groove 26 and is in sliding fit with the same. The driving disc 5 is held by hand to rotate anticlockwise, and the arc-shaped groove 26 on the driving disc 5 acts on the shifting lever 22 again, so that the shifting lever 22 is stressed and drives the inserting block 23 to be rapidly drawn out from the clamping groove 25, the telescopic pipe 4 normally slides on the supporting column 3, and the total length formed by the telescopic pipe 4 and the supporting column 3 is convenient to adjust.

As shown in fig. 1, a rectangular groove has been seted up to the one end that handle 1 is close to flexible pipe 4, the handle of a knife portion of file 6 stretches into in the rectangular groove, and a set of constant head tank has all been seted up to the handle of a knife portion both sides of file 6, the both sides of rectangular groove all are equipped with the activity groove, the activity inslot is equipped with locating component, locating component includes fixture block 9, first magnetic sheet 10 and second magnetic sheet 11, fixture block 9 one end is fixed to be set up first magnetic sheet 10, the fixture block 9 other end sets up to be circular-arc inserting and establishes in the constant head tank, second magnetic sheet 11 is fixed to be set up on the lateral wall in activity groove, and first magnetic sheet 10 sets up for the same name magnetic pole is. The repulsive force between the first magnetic plate 10 and the second magnetic plate 11 with the same name acts on the clamping block 9, so that the clamping block 9 is stably inserted into the positioning groove, and the file 6 and the handle 1 are quickly assembled and fixed.

As shown in fig. 1, a slot is formed in the outer side wall of the handle 1, a bevel cavity is formed in the upper end surface of the clamping block 9, a baffle 14 is slidably mounted in the slot, the baffle 14 is fixedly connected with a spring 13, a compression rod 12 is inserted into the spring 13, one end of the compression rod 12 is fixedly connected with the baffle 14, and the other end of the compression rod 12 is inserted into the bevel cavity. By pressing the baffle 14, the baffle 14 extrudes the spring 13 and drives the compression rod 12 to extend into the inclined cavity, so that the fixture block 9 is stressed and is drawn out from the positioning groove, and the file 6 is quickly detached and is convenient to overhaul and replace at the later stage.

The working principle is as follows: in practical use, the telescopic tube 4 is correspondingly adjusted according to the distance between the fixed tube 2 and the placing frame 8, in the process, the driving disc 5 is held by hand to rotate anticlockwise, the arc-shaped groove 26 on the driving disc 5 acts on the shifting lever 22, so that the shifting lever 22 is stressed and drives the inserting block 23 to be rapidly drawn out from the clamping groove 25, the telescopic tube 4 is enabled to normally slide on the supporting column 3, when the pressing components on the telescopic tube 4 are just positioned at two sides of the cutter 7, the tension of the S-shaped steel sheet 24 acts on the inserting block 23 at the moment, the inserting block 23 is enabled to be stably inserted into the clamping groove 25, and rapid limiting and fixing of the telescopic tube 4 are achieved; then, the piston rod of the hydraulic cylinder 20 acts on the push plate, so that the push plate drives the abutting plate 19 to perform linear up-and-down motion, when the abutting plate 19 moves downwards, the inclined plane moving blocks 17 at the two ends of the abutting plate are stressed and drive the pressing plate 15 to move away from the cutter 7, and when the abutting plate 19 moves upwards, the inclined plane moving blocks 17 at the two ends of the abutting plate are stressed and drive the pressing plate 15 to move towards the cutter 7, so that the two groups of pressing plates 15 horizontally move towards each other, the cutter 7 can be well locked by utilizing the two pressing plates 15 which move towards each other linearly, the cutter 7 is prevented from being shifted in position, good operation conditions are provided for the file 6, and the processing efficiency of the file is. And finally, the hand-held handle 1 drives the file 6 to polish and groove the cutter 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.