阅读说明：本技术 一种机床刀具的支撑机构 (Supporting mechanism of machine tool cutter ) 是由 王佳伟 于 2021-09-07 设计创作，主要内容包括：本发明提供一种机床刀具的支撑机构,涉及机床加工技术领域,包括基座；所述基座通过螺栓与机床相连,且基座前侧通过螺母与活动座相连；所述活动座通过伸缩架与装配座相连,且伸缩架底部与调节组件相连,并且调节组件与顶连杆相连；所述装配座与液压缸相连,且液压缸顶端与支撑组件相连；本发明当液压缸带动主座向上移动时,主座带动辅座向上移动,辅座内部支撑辊预先于刀具底侧相贴,根据支撑辊与刀具底侧接触部位,对液压缸位置进行左右调节,避免支撑辊与刀具底侧偏差过大,影响刀具底侧支撑效果,当主座内部支撑辊与刀具底侧相贴时,辅座底端与主座外侧相贴,三个支撑辊高度相等,保障刀具底侧辅助支撑效果。(The invention provides a supporting mechanism of a machine tool cutter, which relates to the technical field of machine tool machining and comprises a base; the base is connected with the machine tool through a bolt, and the front side of the base is connected with the movable seat through a nut; the movable seat is connected with the assembly seat through a telescopic frame, the bottom of the telescopic frame is connected with the adjusting assembly, and the adjusting assembly is connected with the top connecting rod; the assembly seat is connected with the hydraulic cylinder, and the top end of the hydraulic cylinder is connected with the support assembly; when the hydraulic cylinder drives the main seat to move upwards, the main seat drives the auxiliary seat to move upwards, the supporting roller inside the auxiliary seat is attached to the bottom side of the cutter in advance, the position of the hydraulic cylinder is adjusted left and right according to the contact part of the supporting roller and the bottom side of the cutter, the supporting effect of the bottom side of the cutter is prevented from being influenced due to overlarge deviation between the supporting roller and the bottom side of the cutter, when the supporting roller inside the main seat is attached to the bottom side of the cutter, the bottom end of the auxiliary seat is attached to the outer side of the main seat, the three supporting rollers are equal in height, and the auxiliary supporting effect of the bottom side of the cutter is guaranteed.)

1. The utility model provides a supporting mechanism of lathe cutter which characterized in that: comprises a base (1);

the base (1) is connected with a machine tool through a bolt, and the front side of the base (1) is connected with the movable seat (4) through a nut (3);

the movable seat (4) is connected with the assembly seat (8) through the telescopic frame (5), the bottom of the telescopic frame (5) is connected with the adjusting component (7), and the adjusting component (7) is connected with the top connecting rod (6);

the assembling seat (8) is connected with the hydraulic cylinder (9), and the top end of the hydraulic cylinder (9) is connected with the supporting component (10);

the supporting component (10) is in threaded connection with a piston rod at the top end of the hydraulic cylinder (9), and the hydraulic cylinder (9) is fixedly connected with the outer side of the assembling seat (8);

the support assembly (10) comprises:

the main seat (1001), the main seat (1001) is connected to the top end of the hydraulic cylinder (9) in a threaded manner;

the number of the supporting rollers (1003) is three, and the supporting rollers (1003) are rotatably connected inside the main seat (1001);

the support assembly (10) comprises:

the auxiliary seat (1002) is provided with two auxiliary seats (1002), the auxiliary seats (1002) are respectively rotatably connected to the front end and the rear end of the main seat (1001), the bottom end of the auxiliary seat (1002) is attached to the outer side of the main seat (1001), the supporting rollers (1003) are respectively rotatably connected to the auxiliary seats (1002), and the supporting rollers (1003) inside the auxiliary seats (1002) are higher than the supporting rollers (1003) inside the main seat (1001).

2. A support mechanism for a machine tool bit as claimed in claim 1, wherein: sliding connection is in base (1) front side in movable seat (4), and base (1) front side is the symmetry form and is equipped with two spacing traveller (101), and six regulation slide openings (401) have been seted up to movable seat (4) inside being the symmetry form to spacing traveller (101) sliding connection is inside adjusting slide opening (401).

3. A support mechanism for a machine tool bit as claimed in claim 1, wherein: the adjustable sliding block is characterized in that four studs (102) are symmetrically arranged on the front side of the base (1), the studs (102) are slidably connected into the adjusting sliding hole (401), the nuts (3) are connected to the outer portions of the studs (102) in a threaded mode, and the inner ends of the nuts (3) are attached to the front side of the movable seat (4).

4. A support mechanism for a machine tool bit as claimed in claim 1, wherein: the support assembly (10) comprises:

the left end and the right end of the torsion spring (1004) are respectively connected with the left end and the right end of the main seat (1001), and the front end and the rear end of the torsion spring (1004) are respectively attached to the bottom sides of the two auxiliary seats (1002).

5. A support mechanism for a machine tool bit as claimed in claim 1, wherein: the telescopic frame (5) is composed of two parts, the two parts of the telescopic frame (5) are rotatably connected together through a top connecting rod (6), the front end and the rear end of the top of the telescopic frame (5) are respectively rotatably connected with the movable seat (4) and the assembly seat (8), and the front end and the rear end of the bottom of the telescopic frame (5) are respectively slidably connected with the movable seat (4) and the assembly seat (8).

6. A support mechanism for a machine tool bit as claimed in claim 1, wherein: the adjusting component (7) comprises:

the top end of the screw rod (701) is rotationally connected with the top connecting rod (6);

the number of the support rods (702) is four, and the outer ends of the support rods (702) are respectively rotatably connected with two ends of the bottom of the telescopic frame (5);

the bottom connecting rod (703) is in threaded connection with the outer part of the screw rod (701), and the inner end of the support rod (702) is respectively in rotating connection with the two ends of the bottom connecting rod (703).

Technical Field

The invention belongs to the technical field of machine tool machining, and particularly relates to a supporting mechanism of a machine tool cutter.

Background

In the course of working of part, the hole that the diameter is great and the depth of finish is also dark often can appear, and then required processing cutter length is corresponding just also longer, because the cutter is longer at the outer overhang of main shaft, under long-time suspension state, can make the condition such as flexural deformation appear in the cutter under the influence of self gravity, influences the machining precision of follow-up work piece.

The supporting mechanism of the machine tool cutter can refer to patent No. CN102990410B, which mainly comprises a supporting mechanism, a supporting mechanism and a supporting component, wherein the supporting mechanism comprises a movable base which is arranged at the bottom side of the cutter and makes telescopic movement towards the cutter, and a supporting component which is arranged on the movable base; in particular, when the machine tool is in a state in which the tool is retracted to the home position during the time when the workpiece is exchanged or the machine tool is stopped and during the machining, the movable base is extended to the uppermost position, and the support member supports the tool on the horizontal axis.

The supporting mechanism of current similar lathe cutter is when using, and adjustable effect is relatively poor, is difficult to according to cutter length, extends the regulation to the position that supporting mechanism is located, and the use limitation is higher to it adjusts to be difficult to support the adaptability of contact site, leads to cutter support skew easily, causes the emergence of cutter to one side skew situation.

Disclosure of Invention

In order to solve the technical problems, the invention provides a supporting mechanism of a machine tool cutter, which aims to solve the problems that when the existing supporting mechanism similar to the machine tool cutter is used, the adjustable effect is poor, the position of the supporting mechanism is difficult to extend and adjust according to the length of the cutter, the use limitation is high, the supporting contact part is difficult to adjust adaptively, the cutter support is easy to deflect, and the cutter is easy to bend to one side.

The invention relates to a supporting mechanism of a machine tool cutter, which is achieved by the following specific technical means:

a supporting mechanism of a machine tool cutter comprises a base;

the base is connected with the machine tool through a bolt, and the front side of the base is connected with the movable seat through a nut;

the movable seat is connected with the assembly seat through a telescopic frame, the bottom of the telescopic frame is connected with the adjusting assembly, and the adjusting assembly is connected with the top connecting rod;

the assembly seat is connected with the hydraulic cylinder, and the top end of the hydraulic cylinder is connected with the supporting component.

Furthermore, the supporting component is in threaded connection with a piston rod at the top end of the hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the outer side of the assembling seat.

Further, the supporting component comprises:

the main seat is in threaded connection with the top end of the hydraulic cylinder;

the supporting rollers are arranged in three numbers, and the supporting rollers are rotatably connected inside the main seat.

Further, the supporting component comprises:

the auxiliary seat is provided with two auxiliary seats, the auxiliary seats are respectively rotatably connected to the front end and the rear end of the main seat, the bottom ends of the auxiliary seats are attached to the outer side of the main seat, the supporting rollers are respectively rotatably connected in the auxiliary seats, and the supporting rollers in the auxiliary seats are higher than the supporting rollers in the main seats.

Further, sliding seat sliding connection is in the base front side, and the base front side is the symmetry form and is equipped with two spacing travelers, and six regulation slide openings have been seted up to the inside symmetry form that is of sliding seat to spacing traveler sliding connection is inside adjusting the slide opening.

Furthermore, four studs are symmetrically arranged on the front side of the base and are slidably connected in the adjusting slide holes, nuts are connected to the outer portions of the studs in a threaded mode, and the inner ends of the nuts are attached to the front side of the movable seat.

Further, the supporting component comprises:

the left end and the right end of the torsion spring are respectively connected with the left end and the right end of the main seat, and the front end and the rear end of the torsion spring are respectively attached to the bottom sides of the two auxiliary seats.

Furthermore, the expansion bracket comprises two parts, the two parts of the expansion bracket are rotationally connected together through a top connecting rod, the front end and the rear end of the top of the expansion bracket are rotationally connected with the movable seat and the assembly seat respectively, and the front end and the rear end of the bottom of the expansion bracket are slidably connected with the movable seat and the assembly seat respectively.

Further, the adjusting component comprises:

the top end of the screw is rotationally connected with the top connecting rod;

the number of the support rods is four, and the outer ends of the support rods are respectively rotatably connected with two ends of the bottom of the expansion bracket;

and the inner end of the support rod is respectively and rotatably connected with the two ends of the bottom connecting rod.

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

1. the supporting assembly is arranged, so that when the hydraulic cylinder drives the main seat to move upwards, the main seat drives the supporting roller to move upwards synchronously, the supporting roller is attached to the bottom side of the cutter, the effect of auxiliary supporting on the bottom side of the cutter is achieved, and the condition that the cutter is bent and deformed under the influence of self gravity is avoided; when the main seat drives the auxiliary seat to move upwards, the supporting rollers in the auxiliary seat are attached to the bottom side of the cutter in advance, the position of the hydraulic cylinder is adjusted leftwards and rightwards according to the contact part of the supporting rollers and the bottom side of the cutter, the phenomenon that the supporting effect of the bottom side of the cutter is influenced due to overlarge deviation between the supporting rollers and the bottom side of the cutter is avoided, when the supporting rollers in the main seat are attached to the bottom side of the cutter, the bottom end of the auxiliary seat is attached to the outer side of the main seat, the three supporting rollers are equal in height, and the auxiliary supporting effect of the bottom side of the cutter is guaranteed; when the hydraulic cylinder drives the supporting component to move downwards, the torsion spring drives the auxiliary seats at the front end and the rear end of the main seat to rotate reversely and reset, so that the supporting roller inside the auxiliary seat is higher than the supporting roller inside the main seat.

2. The movable seat is in sliding connection with the base, so that the movable seat on the front side of the base can be adjusted in a left-right sliding mode according to the contact position of the supporting roller and the bottom side of the cutter, the hydraulic cylinder is driven by the movable seat to move synchronously in a left-right mode for adjustment, and the operation of adjusting the supporting assembly in a left-right mode is achieved; after the sliding adjustment of the movable seat on the front side of the base is finished, the nut is rotated to enable the inner end of the nut to be attached to the front side of the movable seat, the movable seat is fixed through the nut, and the stability of the hydraulic cylinder during use is guaranteed.

3. The setting of expansion bracket and adjusting part is favorable to rotating the screw rod according to cutter length, drives the expansion bracket telescopic adjustment through the continuous vaulting pole of end connecting rod to through the horizontal adjustment around the expansion bracket drive hydraulic cylinder, better satisfy in different length cutter auxiliary stay demands.

Drawings

FIG. 1 is a schematic view of the structure of the shaft side of the present invention in an extended support state.

FIG. 2 is a schematic view of the structure of the shaft side in the contracted state of the present invention.

Fig. 3 is a schematic diagram of a base and a movable seat of the present invention.

Fig. 4 is a schematic view of the connection structure of the telescopic frame and the adjusting assembly of the invention.

Fig. 5 is a schematic diagram of the axial side construction of the adjustment assembly of the present invention.

Fig. 6 is a schematic view of the connection structure of the mounting seat and the hydraulic cylinder of the invention.

Fig. 7 is a schematic axial side view of the support assembly of the present invention.

Fig. 8 is a schematic view of the support assembly of the present invention in a disassembled configuration.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. a limiting sliding column; 102. a stud; 3. a nut; 4. a movable seat; 401. adjusting the sliding hole; 5. a telescopic frame; 6. a top link; 7. an adjustment assembly; 701. a screw; 702. a stay bar; 703. a bottom link; 8. assembling a seat; 9. a hydraulic cylinder; 10. a support assembly; 1001. a main base; 1002. an auxiliary seat; 1003. a support roller; 1004. a torsion spring.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1 to 8:

the invention provides a supporting mechanism of a machine tool cutter, which comprises a base 1; the base 1 is connected with a machine tool through a bolt, and the front side of the base 1 is connected with a movable seat 4 through a nut 3; the movable seat 4 is connected to the front side of the base 1 in a sliding mode, two limiting sliding columns 101 are symmetrically arranged on the front side of the base 1, six adjusting sliding holes 401 are symmetrically formed in the movable seat 4, the limiting sliding columns 101 are connected to the inside of the adjusting sliding holes 401 in a sliding mode, the movable seat 4 on the front side of the base 1 is adjusted in a sliding mode left and right according to the contact position of the supporting roller 1003 and the bottom side of a cutter, and therefore the movable seat 4 drives the hydraulic cylinder 9 to move and adjust left and right synchronously, and left and right movement adjusting operation of the supporting assembly 10 is achieved; four studs 102 are symmetrically arranged on the front side of the base 1, the studs 102 are slidably connected into the adjusting slide holes 401, the nuts 3 are connected to the outer portions of the studs 102 in a threaded manner, the inner ends of the nuts 3 are attached to the front side of the movable seat 4, after the movable seat 4 on the front side of the base 1 is slidably adjusted, the nuts 3 are rotated to enable the inner ends of the nuts 3 to be attached to the front side of the movable seat 4, the movable seat 4 is fixed through the nuts 3, and the stability of the hydraulic cylinder 9 in use is guaranteed; the movable seat 4 is connected with the assembly seat 8 through the telescopic frame 5, the bottom of the telescopic frame 5 is connected with the adjusting component 7, and the adjusting component 7 is connected with the top connecting rod 6; the telescopic frame 5 consists of two parts, the two parts of the telescopic frame 5 are rotationally connected together through a top connecting rod 6, the front end and the rear end of the top of the telescopic frame 5 are rotationally connected with the movable seat 4 and the assembly seat 8 respectively, and the front end and the rear end of the bottom of the telescopic frame 5 are slidably connected with the movable seat 4 and the assembly seat 8 respectively; the assembly base 8 is connected with a hydraulic cylinder 9, and the top end of the hydraulic cylinder 9 is connected with a support assembly 10.

Wherein, the supporting component 10 is in threaded connection with a piston rod at the top end of the hydraulic cylinder 9, and the hydraulic cylinder 9 is fixedly connected with the outer side of the assembling seat 8.

Wherein, supporting component 10 includes: a main seat 1001, an auxiliary seat 1002, a support roller 1003 and a torsion spring 1004; the main seat 1001 is connected to the top end of the hydraulic cylinder 9 in a threaded manner; the number of the auxiliary seats 1002 is two, the auxiliary seats 1002 are respectively and rotatably connected to the front end and the rear end of the main seat 1001, the bottom ends of the auxiliary seats 1002 are attached to the outer side of the main seat 1001, the supporting rollers 1003 are respectively and rotatably connected into the auxiliary seats 1002, and the supporting rollers 1003 inside the auxiliary seats 1002 are higher than the supporting rollers 1003 inside the main seat 1001; the number of the supporting rollers 1003 is three, and the supporting rollers 1003 are rotatably connected to the inside of the main seat 1001; the left end and the right end of the torsion spring 1004 are respectively connected with the left end and the right end of the main seat 1001, and the front end and the rear end of the torsion spring 1004 are respectively attached to the bottom sides of the two auxiliary seats 1002;

by adopting the technical scheme, when the hydraulic cylinder 9 drives the main seat 1001 to move upwards, the main seat 1001 drives the supporting roller 1003 to synchronously move upwards to enable the supporting roller 1003 to be attached to the bottom side of the cutter, so as to achieve the effect of auxiliary supporting on the bottom side of the cutter and avoid the bending deformation of the cutter under the influence of the gravity of the cutter, when the main seat 1001 drives the auxiliary seat 1002 to move upwards, the supporting roller 1003 inside the auxiliary seat 1002 is attached to the bottom side of the cutter in advance, the position of the hydraulic cylinder 9 is adjusted leftwards and rightwards according to the contact part of the supporting roller 1003 and the bottom side of the cutter, so as to avoid the excessive deviation between the supporting roller 1003 and the bottom side of the cutter and influence on the supporting effect of the bottom side of the cutter, when the supporting roller 1003 inside the main seat 1001 is attached to the bottom side of the cutter, the bottom end of the auxiliary seat 1002 is attached to the outer side of the main seat 1001, the three supporting rollers 1003 are equal in height, so as to ensure the auxiliary supporting effect of the bottom side of the cutter, when the supporting assembly 10 is driven by the hydraulic cylinder 9 to move downwards, the torsion spring 1004 to drive the front and back-to the auxiliary seat 1002 to rotate reversely, the support rollers 1003 inside the sub-mount 1002 are made higher than the support rollers 1003 inside the main mount 1001.

Example 2: the adjusting assembly 7 comprises: a screw 701, a strut 702 and a bottom link 703; the top end of the screw 701 is rotatably connected with the top connecting rod 6; the number of the support rods 702 is four, and the outer ends of the support rods 702 are respectively rotatably connected with two ends of the bottom of the telescopic frame 5; the bottom connecting rod 703 is in threaded connection with the outside of the screw 701, and the inner end of the stay bar 702 is respectively in rotary connection with the two ends of the bottom connecting rod 703;

by adopting the technical scheme, the screw 701 can be rotated according to the length of the cutter, the support rod 702 connected with the bottom connecting rod 703 drives the telescopic frame 5 to be adjusted in a telescopic mode, so that the hydraulic cylinder 9 is driven by the telescopic frame 5 to be adjusted horizontally, and the auxiliary support requirements of cutters with different lengths are better met.

When the tool is used, the screw 701 is rotated according to the length of a tool, the bottom connecting rod 703 is connected with the support rod 702 to drive the telescopic frame 5 to be adjusted in a telescopic mode, and therefore the telescopic frame 5 drives the hydraulic cylinder 9 to be adjusted horizontally back and forth; when the hydraulic cylinder 9 drives the main seat 1001 to move upwards, the main seat 1001 drives the auxiliary seat 1002 to move upwards, the supporting roller 1003 in the auxiliary seat 1002 is attached to the bottom side of the cutter in advance, and the movable seat 4 on the front side of the base 1 is adjusted in a left-right sliding mode according to the contact position of the supporting roller 1003 and the bottom side of the cutter, so that the hydraulic cylinder 9 is driven by the movable seat 4 to move synchronously left and right for adjustment, and the supporting effect of the bottom side of the cutter is prevented from being influenced due to overlarge deviation of the supporting roller 1003 and the bottom side of the cutter; after the movable seat 4 at the front side of the base 1 is adjusted in a sliding mode, the nut 3 is rotated, the inner end of the nut 3 is attached to the front side of the movable seat 4, the movable seat 4 is fixed through the nut 3, and the stability of the hydraulic cylinder 9 in use is guaranteed; when the supporting rollers 1003 in the main seat 1001 are attached to the bottom side of the cutter, the bottom end of the auxiliary seat 1002 is attached to the outer side of the main seat 1001, the three supporting rollers 1003 are equal in height, so that an auxiliary supporting effect on the bottom side of the cutter is achieved, and the cutter is prevented from being bent and deformed under the influence of self gravity; when the hydraulic cylinder 9 drives the supporting component 10 to move downwards, the torsion spring 1004 drives the auxiliary seats 1002 at the front end and the rear end of the main seat 1001 to rotate reversely and reset, so that the supporting rollers 1003 inside the auxiliary seats 1002 are higher than the supporting rollers 1003 inside the main seat 1001.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.