阅读说明：本技术 一种工装快换压装机构 (Frock quick change pressure equipment mechanism ) 是由 潘涛 蔡抒槿 于 2020-12-07 设计创作，主要内容包括：本发明公开了一种工装快换压装机构,包括用于安装在加工台面上的基座,基座上设置有与工装底座侧部设置的定位凹陷相配合的定位柱,特点是定位柱上设置有凸轮压块,凸轮压块包括上操纵部和下压装部,上操纵部与下压装部之间设置有弹性支撑机构,上操纵部与下压装部之间固定连接,上操纵部的下端面设置有供定位柱的上端头伸入安装的转动安装腔,定位柱的上端头可转动地设置在转动安装腔内,下压装部的前端面向后凹陷设置有上下贯通的与定位柱相配合的导槽。优点是结构简单,操作使用方便,实现了对工装的快装和快拆,有效地提高了生产效率,降低了生产成本。(The invention discloses a tool quick-change press-mounting mechanism which comprises a base used for being installed on a machining table board, wherein a positioning column matched with a positioning recess arranged on the side part of the tool base is arranged on the base. The quick-release tool has the advantages of being simple in structure, convenient to operate and use, capable of achieving quick assembly and disassembly of the tool, effectively improving production efficiency and reducing production cost.)

1. A quick-change press-mounting mechanism for a tool comprises a base for mounting on a processing table board, wherein a positioning column matched with a positioning recess arranged on the side of the tool base is arranged on the base, the quick-change press-mounting mechanism is characterized in that a cam pressing block is arranged on the positioning column, the cam pressing block comprises an upper operating part and a lower operating part which are separated from each other from top to bottom and are opposite to each other, the upper operating part and the lower operating part are provided with a rotating center hole which is communicated with each other from left to right, the bottom of the upper operating part is provided with a lower pressing part with a bulge, an elastic supporting mechanism is arranged between the upper operating part and the lower pressing part, the upper end of the positioning column extends into a rotating mounting cavity for mounting, the upper end of the positioning column is rotatably arranged in the rotating mounting cavity by taking the central line axis of the rotating center hole as a rotating center, the front end surface of the lower press-mounting part is recessed backwards and provided with a guide groove which is communicated up and down and matched with the positioning column; under the press-fitting state, the bottom bulge of the lower press-fitting part is pressed on the tool base, the elastic supporting mechanism provides clamping supporting force, and the rear end face of the positioning column is abutted against the inner end face of the rear part of the guide groove.

2. The quick-change press-fitting mechanism for tooling as claimed in claim 1, wherein the cross section of the positioning post is rectangular, the positioning recess provided on the side of the tooling base is a square groove matched with the positioning post, and the guide groove is a square guide groove.

3. The quick-change press-fitting mechanism for tooling as claimed in claim 1, wherein the elastic support mechanism is formed by stacking a plurality of butterfly spring pieces up and down.

4. The quick-change press-fitting mechanism for the tooling as claimed in claim 3, wherein the upper manipulating part is provided with two through mounting holes, the two mounting holes are spaced left and right and located at two sides of the rotating mounting cavity, the lower press-fitting part is provided with two through mounting screw holes with internal threads, one mounting screw hole is arranged right below one mounting hole, the butterfly spring piece is provided with through mounting through holes, and the upper manipulating part and the lower press-fitting part are fixedly connected by means of the locking screws sequentially passing through the mounting holes and the mounting through holes and being screwed to the mounting screw holes at corresponding positions.

5. The quick-change tooling press-fitting mechanism according to claim 4, wherein two sides of the lower press-fitting portion are respectively provided with a set screw hole communicated with the mounting screw hole at the corresponding position, a matched set screw is screwed and mounted in the set screw hole, and the inner end of the set screw abuts against the side portion of the locking screw.

6. The quick-change press-fitting mechanism for tooling as claimed in claim 1, wherein the bottom end surface of the bottom protrusion of the lower press-fitting portion is a flat end surface.

7. The quick-change press-fitting mechanism for tooling as claimed in claim 6, wherein the front end face of the lower press-fitting portion is an inclined flat end face inclined downward from front to back, and the rear end of the front end face of the lower press-fitting portion is connected to the front end of the bottom end face of the bottom body of the lower press-fitting portion.

8. The quick-change press-fitting mechanism for tooling as claimed in claim 1, wherein an operating lever extends rearward from a rear end surface of the upper operating portion.

9. The quick-change press-fitting mechanism for the tooling as claimed in claim 1 or 2, wherein the top end surface of the positioning column is a semi-circular arc surface from front to back, the front inner end surface of the rotating installation cavity is an inclined end surface inclined upwards from front to back, and the top inner end surface of the rotating installation cavity and the rear inner end surface of the rotating installation cavity are arc curved surfaces which are connected with each other and matched with the semi-circular arc surface.

10. The quick-change press-fitting mechanism for tooling as claimed in claim 1, wherein the upper end of the positioning post is provided with a mounting shaft which is engaged with the rotating central hole in a left-to-right penetrating manner, and two ends of the mounting shaft extend out of the positioning post and are respectively rotatably mounted in the rotating central hole.

Technical Field

The invention relates to a press-fitting mechanism, in particular to a tool quick-change press-fitting mechanism.

Background

Modern parts can use a large amount of tools during processing and production so as to achieve the aim of successfully producing products meeting various requirements. In the process of producing a product, a plurality of machining processes are involved, different tools may be used in different machining processes, and at the moment, various different tools are required to be replaced and used on the machining table surface.

When the tool is installed on a processing table board, the tool needs to be pressed and fixed by a corresponding mechanism, when the tool needs to be detached from the processing table board, the pressing and fixing of the tool by the corresponding pressing and installing mechanism is firstly required to be released, the pressing and installing mechanism for realizing the pressing and installing of the tool on the processing table board commonly comprises a pressing and installing base matched with a working table board, a positioning column matched with a recess arranged at the side part of the base of the tool is arranged on the pressing and installing base, a pressing and installing plate can be movably arranged on the positioning column up and down, the positioning column is embedded and installed in the recess at the side part of the base of the tool during the pressing and installing, the base of the tool is arranged between the pressing and installing base and the pressing and installing plate, the pressing and installing plate is pressed and fixed by screwing a pressing nut on the positioning column to realize the pressing and installing and fixing of the base of the tool, when, and releasing the pressing force of the press-mounting plate on the tool base, removing the positioning column from the recess of the base, realizing the disassembly of the tool, and repeating the installation steps for the installation of another tool. That is to say, in this process, we need to continuously repeat the operation of screwing and unscrewing the gland nut, which is time-consuming and labor-consuming, and causes the overall production efficiency to be relatively low, and the production cost is also relatively increased.

Disclosure of Invention

The invention aims to solve the technical problem of providing a tool quick-change press-mounting mechanism which is simple in structure, time-saving, labor-saving and convenient to operate, and can realize quick switching of a tool used on a machining table board, so that the production efficiency is improved, and the production cost is reduced.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a frock quick change press-fitting mechanism, is including being used for installing the base on the processing mesa, the base on be provided with the sunken matched with reference column in location that sets up with the frock base lateral part, the reference column on be provided with the cam briquetting, the cam briquetting including separate from top to bottom and just have about setting up and control the last operation portion and the bottom of the rotation centre bore that link up and have bellied press-fitting portion down, last operation portion with lower press-fitting portion between be provided with elastic support mechanism, last operation portion with lower press-fitting portion between fixed connection, the lower terminal surface of last operation portion be provided with the confession the last end of reference column stretch into the rotation installation cavity of installation, the last end of reference column with the central line axis of rotation centre bore rotationally set up as the rotation center rotation installation cavity in, the preceding terminal surface of lower press-fitting portion sunken be provided with run through from top to bottom with reference column matched with lead the installation cavity A groove; under the press-fitting state, the bottom bulge of the lower press-fitting part is pressed on the tool base, the elastic supporting mechanism provides clamping supporting force, and the rear end face of the positioning column is abutted against the inner end face of the rear part of the guide groove.

The cross section of the positioning column is rectangular, the positioning recess arranged on the side part of the tooling base is a square groove matched with the positioning column, and the guide groove is a square guide groove. The positioning column and the positioning recess are both rectangular structures, so that the positioning column and the positioning recess can be prevented from rotating relatively after being installed in a matched mode, and stable clamping is guaranteed.

The elastic supporting mechanism is formed by stacking a plurality of butterfly spring pieces up and down. The butterfly spring pieces have good rigidity and strength, stable and enough large press-fitting force can be guaranteed, and the specific using number of the butterfly spring pieces can be adjusted according to specific design requirements.

And the upper part and the lower part of the butterfly spring pieces are adjacent, and the butterfly spring pieces are arranged in a positive and negative stacking mode. Providing more stable press-fitting supporting force.

Go up the steering section on be provided with two mounting holes that link up from top to bottom, two the mounting hole about the interval set up and be located the both sides of rotation installation cavity, lower pressure equipment portion on be provided with two mounting screw holes of taking the internal thread that link up from top to bottom, one the below of mounting hole just to setting up one the mounting screw hole, the butterfly spring leaf have the mounting hole that link up from top to bottom, pass in proper order through matched with locking screw the mounting hole with mounting hole spiro union in corresponding position the mounting screw hole realize last steering section with lower pressure equipment portion between the fixed connection. The structure for realizing the fixed connection of the upper operation part and the lower press-fitting part is simple, convenient to install and disassemble and low in cost.

The both sides of lower pressure equipment portion be provided with respectively one with correspond the position the installation screw hole be linked together hold-down screw hole, the downthehole spiro union of hold-down screw install matched with hold-down screw, hold-down screw inner end support establish locking screw's lateral part. The stability of the whole use is ensured by installing a set screw at the side of the lower press-fitting part for ensuring the stable locking installation of the locking screw to the two parts.

The bottom end face of the bottom protrusion of the lower press-mounting part is a flat end face. The bottom end face of the bottom protrusion is designed to be a flat end face, so that the press-fitting area of the tool base is effectively increased, and the press-fitting stability is ensured.

The front end surface of the lower press-fitting part is an inclined flat end surface which inclines downwards from front to back, and the rear end of the front end surface of the lower press-fitting part is connected with the front end of the bottom end surface of the bottom body of the lower press-fitting part. This slant plain end provides one and avoids the space when removing the pressure equipment, improves the dismantlement efficiency of frock.

The rear end face of the upper operating part is provided with an operating rod in a backward extending mode. The operation of rotating the upper control part is facilitated through the operating rod, and the press mounting part is matched with the press mounting platform surface to press and remove the press mounting on the tool base only by pressing down or lifting up the operating rod.

The top end face of the positioning column is a semi-circular arc face from front to back, the front inner end face of the rotating installation cavity is an inclined end face which is inclined upwards from front to back, and the top inner end face of the rotating installation cavity and the rear inner end face of the rotating installation cavity are arc curved faces which are connected in a following manner and matched with the semi-circular arc face. The shape of the inner end face of the rotating installation cavity is designed, and a guiding effect is achieved on the rotation of the positioning column.

The front end face of the upper operation part is provided with a limiting notch communicated with the rotating installation cavity, and the limiting notch is matched with the positioning column. The limiting notch is used for limiting the rotating position of the upper operating part.

The upper end head of the positioning column is provided with an installation shaft matched with the rotating central hole in a left-right cross connection mode, and two ends of the installation shaft extend out of the positioning column and are respectively and rotatably installed in the rotating central hole. The structure for realizing the rotatable installation of the positioning column in the rotating installation cavity is simple, low in manufacturing cost and stable in use.

The base include the base bottom plate and set up the base bottom plate on the erection column, the base bottom plate with the erection column constitute type of falling T mounting structure, the processing mesa on be provided with type of falling T mounting groove of T mounting structure matched with, the reference column setting be in the erection column on. The base is simple in structure and convenient to mount and dismount.

Compared with the prior art, the invention has the advantages that: the cam pressing block is arranged on the positioning column and consists of an upper operating part and a lower pressing part which are vertically separated and are oppositely arranged, when the tool is required to be clamped and fixed by utilizing the principle of a cam mechanism, the upper operating part is operated to drive the lower pressing part to rotate on the positioning column, so that the bottom bulge of the lower pressing part is pressed and arranged on the tool base to be matched with a processing table board, the elastic supporting mechanism provides pressing and supporting force to press and fix the tool base, the rear end surface of the positioning column is abutted against the rear end surface of the guide groove, the rotating position of the lower pressing part is limited by the positioning column, when the tool is required to be disassembled, the upper operating part reversely rotates to drive the lower pressing part to rotate, the pressing and arranging effect of the bottom bulge of the lower pressing part on the tool is removed, the tool can be disassembled, the structure is simple, the operation and use are convenient, and quick disassembly of the tool are realized, the production efficiency is effectively improved, and the production cost is reduced; the elastic supporting mechanism provides the press-fitting supporting force with adjustable elasticity, the cam press block can press the tool base conveniently, the tool base can be adapted to different tools with bases of different thicknesses to use, and the universality is better.

Drawings

FIG. 1 is a schematic perspective view of the press-fitting device of the present invention;

FIG. 2 is a schematic side view of the press-fitting device of the present invention;

FIG. 3 is a schematic cross-sectional view of the press-fit state of the present invention;

FIG. 4 is a schematic perspective view of the upper operation portion of the present invention;

FIG. 5 is a schematic cross-sectional view of the upper operation portion in the present invention;

FIG. 6 is a schematic perspective view of the lower press-fitting part according to the present invention;

FIG. 7 is a perspective view of the contact press-fitting device of the present invention;

FIG. 8 is an exploded view of the present invention;

FIG. 9 is a schematic structural view of the present invention installed on a machining table for press-fitting and fixing a tooling base;

fig. 10 is a schematic structural view of the press-fitting releasing state of the present invention mounted on a work table.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 10, a quick-change press-mounting mechanism for a tool comprises a base 1 for being mounted on a processing table a, wherein a positioning column 2 matched with a positioning recess B1 arranged on the side of a tool base B is arranged on the base 1, a cam press block 3 is arranged on the positioning column 2, the cam press block 3 comprises an upper operating part 301 and a lower press-mounting part 302, the upper operating part 301 and the lower press-mounting part 302 are separated from each other up and down and are oppositely arranged, the upper operating part 31 is provided with a left-right through rotating central hole 31, the lower press-mounting part 302 is provided with a protrusion 32 at the bottom, an elastic supporting mechanism is arranged between the upper operating part 301 and the lower press-mounting part 302, the upper operating part 301 and the lower press-mounting part 302 are fixedly connected, the lower end face of the upper operating part 301 is provided with a rotating mounting cavity 33 for inserting and mounting an upper end of the positioning column 2, the upper end of the positioning column 2 is rotatably arranged in the rotating mounting cavity; in the press-fitting state, the bottom protrusion 32 of the lower press-fitting portion 302 is pressed on the fixture base B, the elastic support mechanism provides a clamping support force, and the rear end surface of the positioning column 2 abuts against the inner end surface 333 of the rear portion of the guide groove 34.

In this embodiment, the cross section of the positioning column 2 is rectangular, the positioning recess B1 formed on the side of the tooling base B is a square groove matched with the positioning column 2, and the guide groove 34 is a square guide groove. The positioning column 2 and the positioning recess B1 are both rectangular structures, so that the positioning column 2 and the positioning recess B1 can be prevented from rotating relatively after being installed in a matched mode, and stable clamping is guaranteed.

In this embodiment, the elastic support mechanism is formed by stacking a plurality of leaf springs 4 one on top of the other. The butterfly spring pieces 4 have good rigidity and strength, so that stable and enough pressing force can be provided, and the specific using number of the butterfly spring pieces 4 can be adjusted according to specific design requirements.

In this embodiment, two top and bottom adjacent bowsprings 4 are stacked in a front-to-back manner. Providing more stable press-fitting supporting force.

In this embodiment, two mounting holes 35 penetrating up and down are formed in the upper manipulating portion 301, the two mounting holes 35 are spaced from each other and located on two sides of the rotating mounting cavity 33, two mounting screw holes 36 with internal threads penetrating up and down are formed in the lower press-fitting portion 302, one mounting screw hole 36 is formed below one mounting hole 35, the butterfly spring piece 4 has a mounting through hole 41 penetrating up and down, and the upper manipulating portion 301 and the lower press-fitting portion 302 are fixedly connected by the locking screw 5 sequentially penetrating through the mounting holes 35 and the mounting through hole 41 and being screwed into the mounting screw hole 36 at the corresponding position. The structure for realizing the fixed connection of the upper operation part 301 and the lower press-fitting part 302 is simple, convenient to mount and dismount and low in cost.

In this embodiment, two sides of the lower press-fitting portion 302 are respectively provided with a set screw hole 37 communicating with the corresponding mounting screw hole 36, the set screw hole 37 is threadedly mounted with a matching set screw 6, and the inner end of the set screw 6 abuts against the side of the locking screw 5. The stability of the overall use is ensured by mounting a set screw 6 at the side of the lower press-fitting portion 302 for ensuring stable locking mounting of the locking screw 5 to the two components.

In this embodiment, the bottom end surface 321 of the bottom protrusion 32 of the lower press-fitting portion 302 is a flat end surface. The bottom end face 321 of the bottom protrusion 32 is designed to be a flat end face, so that the press-fitting area of the tooling base B is effectively increased, and the press-fitting stability is ensured.

In this embodiment, the front end surface 38 of the lower press-fitting portion 302 is an inclined flat end surface inclined downward from the front to the rear, and the rear end of the front end surface 38 of the lower press-fitting portion 302 is connected to the front end of the bottom end surface 321 of the bottom body of the lower press-fitting portion 302. This slant plain end provides one and avoids the space when removing the pressure equipment, improves the dismantlement efficiency of frock.

In this embodiment, an operating lever 7 is provided on a rear end surface of the upper operating portion 301 so as to extend rearward. Through control rod 7 be convenient for to last control portion 301 rotate the operation, only need to push down or lift up the operation to control rod 7 and can realize down press fitting portion 302 cooperation processing mesa A to the pressure equipment of frock base B and remove the pressure equipment.

In this embodiment, the top end surface 21 of the positioning column 2 is a semi-circular arc surface from front to back, the front inner end surface 331 of the rotating installation cavity 33 is an inclined end surface inclined upward from front to back, and the top inner end surface 332 of the rotating installation cavity 33 and the rear inner end surface 333 of the rotating installation cavity 33 are arc-shaped curved surfaces connected with each other along a straight line and matched with the semi-circular arc surfaces. The shape of the inner end surface of the rotating installation cavity 33 is designed to play a role in guiding the rotation of the positioning column 2.

In this embodiment, the front end surface 38 of the upper manipulating portion 301 is provided with a limiting notch 39 communicated with the rotation installation cavity 33, and the limiting notch 39 is matched with the positioning column 2. The limit notch 39 is used for limiting the rotation position of the upper operation part 301.

In this embodiment, an installation shaft 8 matching with the rotation center hole 31 is disposed through the upper end of the positioning column 2 from left to right, and two ends of the installation shaft 8 extend out of the positioning column 2 and are respectively rotatably installed in the rotation center hole 31. The structure for realizing that the positioning column 2 can be rotatably arranged in the rotating installation cavity 33 is simple, low in manufacturing cost and stable in use.

In this embodiment, the base 1 includes a base bottom plate 11 and a mounting post 12 disposed on the base bottom plate 11, the base bottom plate 11 and the mounting post 12 form an inverted T-shaped mounting structure, the processing table a is provided with an inverted T-shaped mounting groove a1 that is long and runs through and is matched with the T-shaped mounting structure, and the positioning post 2 is disposed on the mounting post 12. The base 1 is simple in structure and convenient to mount and dismount.

The specific working principle is as follows: firstly, an inverted T-shaped mounting structure consisting of a base bottom plate 11 and a mounting column 12 is scratched into an inverted T-shaped mounting groove A1 arranged on a processing table A matched with the inverted T-shaped mounting structure from the side part of the processing table A, an operating rod 7 is lifted up to enable a positioning column 2 to abut against a limiting notch 39, a tool base B is placed at a preset position on the processing table A, the base 1 is continuously slid to enable the positioning column 2 to be embedded and mounted in a positioning recess B1 arranged on the side part of the tool base B, then the operating rod 7 is pressed downwards to enable a bottom bulge 32 of a lower pressing part 302 to be pressed on the tool base B to be matched with the processing table A, a pressing supporting force is provided through the action of a butterfly spring piece 4 to press and fix the tool base B, at the moment, the rear end face of the positioning column 2 abuts against the rear end face of a guide groove 34, and the rotating position of the; when the frock is dismantled to needs, lift on the control rod 7, go up the control rod 301 and drive down the pressure equipment portion 302 and rotate on the messenger, remove the protruding 32 in bottom of pressure equipment portion 302 and establish the effect to the pressure of frock down, with reference column 2 from the location sunken B1 in the roll-off, alright dismantle the frock this moment.