CN213224430U

CN213224430U - Positioning mechanism for drilling of numerical control machine tool

Info

Publication number: CN213224430U
Application number: CN202021431887.7U
Authority: CN
Inventors: 党松芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-18
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a positioning mechanism is used in drilling of digit control machine tool, include: bottom plate, drilling machine main shaft shell, roof and fixed plate, the regional joint fixedly connected with guide pillar that passes through in bottom plate top four corners, the guide pillar top is through cup jointing fixedly connected with guide pin bushing, the guide pin bushing outer wall passes through joint fixedly connected with roof, the utility model discloses a V type locating piece tightly presses on the workpiece surface under the effect of spring pressure, when carrying out the drilling location to the work piece, comes the vibration that the work piece drilling produced through the spring buffering, and the guiding action through guide pillar, guide pin bushing guarantees that the decline of drill bit is flat just, thereby guarantees drilling accuracy, at the ascending in-process of drilling machine main shaft shell, and the connecting rod drives the wedge pole and rises for the protruding position of wedge pole is pushing against the loop bar and is outwards moved, thereby makes V type locating piece break away from the workpiece surface, opens anchor.

Description

Positioning mechanism for drilling of numerical control machine tool

Technical Field

The utility model relates to a numerical control processing technology field specifically is a positioning mechanism is used in drilling of digit control machine tool.

Background

Drilling refers to the operation of machining a hole in a solid material with a drill bit. The numerical control drilling machine is mainly used for drilling, reaming, chamfering and the like. The method is mainly applied to the industries of automobiles, molds, shipbuilding, aerospace and engineering machinery, and is particularly suitable for hardware parts with a plurality of holes needing to be processed.

However, the traditional positioning mechanism for numerically-controlled machine tool drilling has some disadvantages in the using process, such as:

1. traditional positioning mechanism for digit control machine tool drilling function singleness in the use can produce certain vibration at drilling machine drilling in-process, and the vibration transmission causes the work piece resonance on the work piece easily, influences the drilling precision, and traditional positioning mechanism can't carry out the shock attenuation.

2. Traditional positioning mechanism for drilling of digit control machine tool installation when the location is dismantled comparatively loaded down with trivial details, and uses the location cylinder location, has increased equipment cost.

Disclosure of Invention

An object of the utility model is to provide a digit control machine tool positioning mechanism for drilling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning mechanism for drilling of a numerical control machine tool comprises: the drilling machine comprises a base plate, a drilling machine main shaft shell, a top plate and a fixing plate, wherein guide pillars are fixedly connected to four corner areas of the top of the base plate in a clamping mode, guide sleeves are fixedly connected to the tops of the guide pillars through sleeving, the outer walls of the guide sleeves are fixedly connected with the top plate through clamping, the center of the top plate is fixedly connected with the drilling machine main shaft shell through screws, a drill bit is fixedly connected to the center of the bottom of the drilling machine main shaft shell through clamping, a workpiece is fixedly connected to the center of the top surface of the base plate through clamping of.

Further, the top plate further includes: the connecting rod is fixedly connected to the two sides of the center of the bottom of the top plate through screws, and the wedge rod is fixedly connected to the bottom of the connecting rod through screws.

Further, the fixing plate further includes: the middle inside the fixing plate is fixedly connected with a loop bar through sleeving, one end of the loop bar, which is close to a workpiece, is fixedly connected with a V-shaped positioning block through a screw, one end of the loop bar, which is far away from the workpiece, is fixedly connected with a U-shaped end through welding, the outer wall of the loop bar is positioned between the fixing plate and the V-shaped positioning block and is fixedly connected with a spring through sleeving, when the wedge rod type positioning device is used, the workpiece is fixed on a bottom plate through a clamp, when the drill is used for drilling, a drill spindle shell descends through descending of a drilling machine spindle to drive a drill to be in contact with the workpiece, when the drill spindle shell descends, a connecting rod drives the wedge rod to descend, so that the U-shaped end is always positioned inside a groove of the wedge rod, at the moment, the V-shaped positioning block is tightly pressed on the surface of the workpiece under the, the drill bit is guaranteed to descend flatly under the guiding action of the guide pillar and the guide sleeve, so that the drilling precision is guaranteed, the drill bit is driven to ascend by rising the main shaft shell of the drilling machine after drilling is completed, the connecting rod drives the wedge rod to ascend in the ascending process of the main shaft shell of the drilling machine, the protruding portion of the wedge rod pushes the sleeve rod to move outwards, the V-shaped positioning block is made to be separated from the surface of a workpiece, the clamp is opened at the moment, and the workpiece is convenient to replace.

Furthermore, the wedge rod is positioned inside the U-shaped end in an inserted mode, and a groove is formed in one side of the middle of the wedge rod, so that the movement of the sleeve rod is controlled through the groove of the wedge rod conveniently.

Furthermore, the bottom surface of the V-shaped positioning block is connected with the top surface of the bottom plate in a sliding mode through a sliding block, and therefore the V-shaped positioning block can slide conveniently.

Furthermore, the travel of the guide pillar and the guide sleeve is larger than the drilling depth, so that smooth drilling is guaranteed, and the top plate and the bottom plate are prevented from colliding or being separated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a roof that sets up, wedge-bar and U type end, realized when using at positioning mechanism for the drilling of digit control machine tool, pass through anchor clamps with the work piece and fix on the bottom plate, during drilling, it descends to drive the drill bit through the decline of drilling machine spindle housing, make the drill bit and work piece contact drilling, when drilling machine spindle housing descends, the connecting rod drives the wedge-bar and descends, make U type end be in inside the recess of wedge-bar all the time, V type locating piece tightly presses on the work piece surface under the effect of spring pressure this moment, when carrying out the drilling location to the work piece, come the vibration that work piece drilling produced through the spring buffering, through the guide pillar, the guide effect of guide pin bushing guarantees that the decline of drill bit is flat just, thereby guarantee drilling accuracy.

2. The utility model discloses a roof, wedge bar and the U type end that sets up have realized when using at the location mechanism for the drilling of digit control machine tool, rise through drilling machine spindle housing after the drilling is accomplished, drive the drill bit and rise, accomplish drilling, at the in-process that drilling machine spindle housing rises, the connecting rod drives the wedge bar and rises for the protruding position of wedge bar is pushing up the loop bar and is moving outward, thereby makes V type locating piece break away from the work surface, opens anchor clamps this moment, the change of the work piece of being convenient for.

Drawings

FIG. 1 is a schematic sectional view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall left-side view structure of the present invention;

fig. 3 is a schematic view of the overall overlooking structure of the present invention.

In FIGS. 1-3: 1-a bottom plate; 101-guide pillars; 2-drilling machine main shaft housing; 201-a drill bit; 3-a workpiece; 4-a top plate; 401-guide sleeve; 402-a connecting rod; 403-wedge rod; 5, fixing a plate; 501-loop bar; 502-a spring; 503-V shaped positioning blocks; 504-U-shaped ends.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a positioning mechanism for drilling of a numerical control machine tool comprises: bottom plate 1, drilling machine main shaft housing 2, roof 4 and fixed plate 5, the regional joint fixedly connected with guide pillar 101 that passes through in 1 top four corners of bottom plate, guide pillar 101 top is through cup jointing fixedly connected with guide pin bushing 401, the outer wall of guide pin bushing 401 is through joint fixedly connected with

roof

4, 4 central authorities of roof pass through screw fixedly connected with drilling machine

main shaft housing

2, 2 bottom central authorities of drilling machine main shaft housing pass through joint fixedly connected with

drill bit

201, 1 top surface central authorities of bottom plate pass through anchor clamps joint fixedly connected with

work piece

3, 1 top surface central authorities of bottom plate lie in 3 both sides of work piece and pass through screw fixedly connected with fixed plate: connecting rod 402 and wedge 403, top plate 4 bottom central authorities both sides are through screw fixed connection with connecting rod 402, and connecting rod 402 bottom is through screw fixed connection with wedge 403, and fixed plate 5 still includes: the drill comprises a loop bar 501, a spring 502, a V-shaped positioning block 503 and a U-shaped end 504, wherein the loop bar 501 is fixedly connected to the center inside a fixing plate 5 through sleeving, one end of the loop bar 501 close to a workpiece 3 is fixedly connected with the V-shaped positioning block 503 through a screw, one end of the loop bar 501 far away from the workpiece 3 is fixedly connected with the U-shaped end 504 through welding, the spring 502 is fixedly connected between the fixing plate 5 and the V-shaped positioning block 503 through sleeving, when the drill is used, the workpiece 3 is fixed on a bottom plate 1 through a clamp, when drilling is carried out, a drill bit 201 is driven to descend through descending of a main shaft shell 2 of the drilling machine, so that the drill bit 201 is in contact with the workpiece for drilling, when the main shaft shell 2 of the drilling machine descends, a connecting rod 402 drives a wedge 403 to descend, so that the U-shaped end 504 is always, when the workpiece is drilled and positioned, vibration generated by drilling from the workpiece 3 is buffered through the spring 502, the descending and leveling of the drill bit 201 is guaranteed through the guiding action of the guide pillar 101 and the guide sleeve 401, so that the drilling precision is guaranteed, the drill bit 201 is driven to ascend through the lifting of the drilling machine spindle shell 2 after the drilling is completed, in the ascending process of the drilling machine spindle shell 2, the connecting rod 402 drives the wedge rod 403 to ascend, the protruding part of the wedge rod 403 pushes against the sleeve rod 501 to move outwards, the V-shaped positioning block 503 is separated from the surface of the workpiece 3, the clamp is opened at the moment, and the workpiece 3 is convenient to replace.

The wedge rod 403 is located inside the U-shaped end 504 in an inserted mode, a groove is formed in one side of the middle of the wedge rod 403, the groove of the wedge rod 403 is convenient for controlling the movement of the sleeve rod 501, the bottom surface of the V-shaped positioning block 503 is connected with the top surface of the bottom plate 1 in a sliding mode through a sliding block, the sliding of the V-shaped positioning block 503 is convenient, the stroke of the guide pillar 101 and the guide sleeve 401 is larger than the drilling depth, the smooth drilling is guaranteed, and the top plate 4 is prevented from colliding with or being separated from the.

The working principle is as follows: when the positioning mechanism for numerical control machine tool drilling is used, a workpiece 3 is fixed on a bottom plate 1 through a clamp, when the drilling machine tool drilling is used, a drill bit 201 is driven to descend through descending of a main shaft shell 2 of the drilling machine, so that the drill bit 201 and the workpiece are drilled in a contact mode, when the main shaft shell 2 of the drilling machine descends, a connecting rod 402 drives a wedge rod 403 to descend, so that a U-shaped end 504 is always located inside a groove of the wedge rod 403, at the moment, a V-shaped positioning block 503 is tightly pressed on the surface of the workpiece 3 under the action of the pressure of a spring 502, vibration generated by drilling of the workpiece 3 is buffered through the spring 502 while the workpiece is drilled and positioned, the descending of the drill bit 201 is ensured to be flat and straight through the guiding action of a guide pillar 101 and a guide sleeve 401, so that the drilling precision is ensured, after the drilling is finished, the drill bit, the connecting rod 402 drives the wedge 403 to rise, so that the protruding portion of the wedge 403 pushes against the sleeve 501 to move outwards, the V-shaped positioning block 503 is separated from the surface of the workpiece 3, and the clamp is opened at this time, thereby facilitating the replacement of the workpiece 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims

1. The utility model provides a digit control machine tool positioning mechanism for drilling which characterized in that includes:

a base plate (1);

a drilling machine spindle housing (2);

a top plate (4);

a fixing plate (5),

the drilling machine is characterized in that four corner areas at the top of the bottom plate (1) are fixedly connected with guide pillars (101) through clamping, the tops of the guide pillars (101) are fixedly connected with guide sleeves (401) through sleeving, the outer walls of the guide sleeves (401) are fixedly connected with top plates (4) through clamping, the centers of the top plates (4) are fixedly connected with a drilling machine spindle shell (2) through screws, the centers of the bottoms of the drilling machine spindle shell (2) are fixedly connected with drill bits (201) through clamping, the centers of the top surfaces of the bottom plate (1) are fixedly connected with workpieces (3) through clamp clamping, and the centers of the top surfaces of the bottom plate (1) are located on.

2. The positioning mechanism for drilling of the numerical control machine tool according to claim 1, characterized in that: the top plate (4) further comprises:

a connecting rod (402);

a wedge rod (403) is arranged on the upper surface of the main body,

the two sides of the center of the bottom of the top plate (4) are fixedly connected with a connecting rod (402) through screws, and the bottom of the connecting rod (402) is fixedly connected with a wedge rod (403) through screws.

3. The positioning mechanism for drilling of the numerical control machine tool according to claim 1, characterized in that: the fixing plate (5) further comprises:

a loop bar (501);

a spring (502);

a V-shaped positioning block (503);

a U-shaped end (504),

wherein, fixed plate (5) inside central authorities are through cup jointing fixedly connected with loop bar (501), loop bar (501) are close to work piece (3) one end and pass through screw fixedly connected with V type locating piece (503), work piece (3) one end is kept away from in loop bar (501) is through welding fixedly connected with U type end (504), loop bar (501) outer wall is located between fixed plate (5) and V type locating piece (503) through cup jointing fixedly connected with spring (502).

4. The positioning mechanism for drilling of the numerical control machine tool according to claim 2, characterized in that: the wedge rod (403) is positioned inside the U-shaped end (504) through insertion, and one side of the middle of the wedge rod (403) is provided with a groove.

5. The positioning mechanism for drilling of the numerical control machine tool according to claim 3, characterized in that: the bottom surface of the V-shaped positioning block (503) is connected with the top surface of the bottom plate (1) in a sliding mode through a sliding block.

6. The positioning mechanism for drilling of the numerical control machine tool according to claim 1, characterized in that: the stroke of the guide pillar (101) and the guide sleeve (401) is larger than the drilling depth.