CN217394081U

CN217394081U - Anti-pinch flat mechanism for laser pipe cutting chuck

Info

Publication number: CN217394081U
Application number: CN202220045929.6U
Authority: CN
Inventors: 牟燕峰; 钟德峰; 朱其楚
Original assignee: Changzhou Biyoute Machinery Technology Co ltd
Current assignee: Changzhou Biyoute Machinery Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-09-09
Anticipated expiration: 2032-01-07

Abstract

The utility model provides a prevent pressing from both sides flat mechanism for laser pipe cutting chuck, including the base that is equipped with T type groove, the stopper on the base is located to the T type nut in the T type inslot of base that position-adjustable festival formula located, passes stopper and T type nut threaded connection with the stopper set screw of stopper location on the base to and during the use fixed locate on the jack catch that the chuck of using has and carry out spacing dog to the jack catch stroke with the stopper cooperation. Adopt the utility model discloses a chuck is after adjusting stopper to settlement position, and stopper cooperation on the stopper and locating the jack catch constitutes the spacing restraint of rigidity in the work, but can not press from both sides flat deformation or press from both sides the bits of broken glass with it when guaranteeing 2 group's jack catches and press from both sides tight thin-walled tube or breakable pipe fittings, just the utility model has the advantages of simple overall structure, the cost is lower, and convenient operation when installing and using on current chuck can be applicable to the adverse circumstances of work of chuck, and the reliable operation is high.

Description

Anti-pinch flat mechanism for laser pipe cutting chuck

Technical Field

The utility model relates to a chuck technical field that laser pipe cutting machine was used, concretely relates to prevent pressing from both sides flat mechanism for laser pipe cutting chuck.

Background

Laser cutting machine is when processing the pipe fitting, generally need utilize the chuck to press from both sides the pipe fitting of being processed tightly so that carry out laser cutting processing, present common laser pipe cutting chuck generally adopts 2 groups to press from both sides tight pipe fitting altogether 4 jack catchs, wherein 2 jack catchs set up to relative from top to bottom, 2 jack catchs set up to relative about in addition, 2 groups of jack catchs are by the power supply (like the cylinder) through drive mechanism and be used for realizing 2 groups of jack catchs synchronous motion's synchro mechanism effect down, do respectively from top to bottom and the relative motion of left and right sides in order to press from both sides tight the pipe fitting that is processed. For example, a double-roller jaw device disclosed in chinese patent publication No. CN 206717286U. The conventional chuck is a full-stroke chuck with 2 groups of claws which can be respectively closed, when the chuck is used for clamping a thin pipe (usually, the thickness of the pipe wall is less than or equal to 0.8mm, such as a thin steel pipe) or a fragile pipe (such as a fluorescent lamp tube), the stroke or clamping force of the 2 groups of claws is not easy to control, the pipe is easy to drop when the chuck is loose, and the machined pipe is easy to flatten or break when the chuck is clamped, so that the machined pipe is scrapped. To solve this problem, chinese patent publication No. CN111618456A discloses an intelligent pneumatic chuck, which prevents a machined pipe from being pinched flat or crushed by providing an electrical detection mechanism including a displacement sensor and a computer board, and which can solve the above problems, but has a relatively complex structure and increased equipment cost, and the chuck vibrates greatly during use, and the working environment is harsh, and thus the chuck is very likely to interfere with electrical components, and affects the working reliability of the detection mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: to the problem that exists among the prior art, provide a simple structure, the cost is lower, installation and convenient operation's a prevent pressing from both sides flat mechanism for laser pipe cutting chuck, adopt this prevent pressing from both sides flat mechanism's chuck, can effectively be used for the thin pipe of centre gripping or breakable pipe fitting, and can be applicable to the abominable operational environment of chuck.

The technical scheme of the utility model is that: the utility model discloses a prevent pressing from both sides flat mechanism for laser pipe cutting chuck, its structural feature is: the clamping jaw limiting device comprises a base provided with a T-shaped groove, a T-shaped nut arranged in the T-shaped groove of the base in a position-adjustable mode, a limiting block arranged on the base, a limiting block positioning screw penetrating through the limiting block and connected with the T-shaped nut in a threaded mode to position the limiting block on the base, and a limiting block fixedly arranged on a clamping jaw of an applied clamping chuck and matched with the limiting block to limit the stroke of the clamping jaw during use.

The further scheme is as follows: the base is a structural member integrally in a cuboid shape, the T-shaped groove is formed in the base and is downwards recessed from the upper end face of the base along the length direction of the base, the T-shaped groove is integrally formed by an upper groove body and a lower groove body, the width of the upper groove body is smaller than that of the lower groove body, and the height of the upper groove body is larger than that of the lower groove body.

The further scheme is as follows: the T-shaped nut is integrally formed by a socket joint part positioned at the lower part and a connecting part positioned at the upper part, and the peripheral size of the socket joint part of the T-shaped nut is smaller than the width of a groove body below the T-shaped groove of the base and larger than the width of a groove body above the T-shaped groove of the base; the peripheral size of the connecting part of the T-shaped nut is smaller than the width of the groove body above the T-shaped groove of the base, and the height of the upper end face of the connecting part of the T-shaped nut is not higher than that of the upper end face of the T-shaped groove of the base; the T-shaped nut is provided with a threaded counter bore used for connection from top to bottom along the axial lead of the T-shaped nut.

The further scheme is as follows: the limiting block is a block-shaped structural member integrally formed into a cuboid, a screw through hole is formed in the middle of the limiting block, and the limiting block positioning screw penetrates through the screw through hole of the limiting block from top to bottom and then is connected with the thread counter bore of the T-shaped nut in a thread fit mode.

The further scheme is as follows: the length of the limiting block in the front-back direction is the same as the width of the base in the front-back direction.

The further scheme is as follows: the stop block is provided with screw holes for installation, each screw hole is provided with 1 installation screw, and the stop block is fixedly arranged on a clamping jaw of an applied chuck through the installation screws in use.

The further scheme is as follows: a plurality of mounting screw holes which are communicated up and down are formed in the T-shaped groove of the base at intervals along the length direction, and each mounting screw hole is provided with a base mounting screw; when in use, the base is fixedly connected with the applied chuck through the base mounting screw and is mounted on the applied chuck.

The utility model discloses has positive effect: (1) the utility model discloses a laser pipe cutting chuck prevent pressing from both sides flat mechanism, it is through holistic structural design, make it conveniently install on the chuck of using, adjust each stopper to setting position after during the use, the dog that locates on the jack catch in the work constitutes the spacing restraint of rigidity with the stopper cooperation, 2 group's jack catches of assurance are pressed from both sides tightly and can not continue relative motion on being processed the pipe fitting basis, thereby guaranteed that processed thin-walled tube spare or breakable pipe fitting can not be pressed from both sides flat deformation or press from both sides the bits of broken glass on the basis of being pressed from both sides tightly. (2) The utility model has the advantages that the whole structure is simple, and the cost is lower, convenient operation when installing and using on current chuck to adopt pure mechanical structure, can be applicable to the abominable operational environment of chuck, the reliable operation is high.

Drawings

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

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic perspective view of the present invention;

fig. 6 is a schematic view of a chuck according to an embodiment of the present invention, in which the jaws of the chuck are open;

FIG. 7 is a schematic view of the chuck of FIG. 6 with the jaws being changed to a closed clamping position;

fig. 8 is a schematic diagram of a chuck plane structure according to another application example of the present invention;

fig. 9 is a schematic perspective view of fig. 8.

The reference numbers in the above figures are as follows:

the device comprises a base 1, a T-shaped groove 1-1, a base mounting screw 2, a T-shaped nut 3, a limiting block 4, a limiting block positioning screw 5, a stop block 6 and a stop block mounting screw 7;

a front chuck cover 100, vertical jaws 101, and horizontal jaws 102.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

(examples)

See fig. 1 to 5, the flat mechanism of preventing pressing from both sides for laser pipe cutting chuck of this embodiment mainly comprises base 1, base member mounting screw 2, T type nut 3, stopper 4, stopper set screw 5, dog 6 and dog mounting screw 7.

The base 1 is a structural member which is of a cuboid shape as a whole, a T-shaped groove 1-1 which is recessed downwards from the upper end face is arranged on the base 1 along the length direction, the T-shaped groove 1-1 is integrally formed by an upper groove body and a lower groove body, the width of the upper groove body is smaller than that of the lower groove body, and the height of the upper groove body is larger than that of the lower groove body. In use, the base 1 is fixedly mounted on the chuck to which it is applied. Preferably, the base 1 is provided with a plurality of mounting screw holes penetrating vertically in the T-shaped groove 1-1 at intervals along the length direction, correspondingly, the base mounting screws 2 are arranged in cooperation with the mounting screw holes of the base 1, and the base 1 is fixedly connected with an applied chuck through the base mounting screws 2 so as to be mounted on the applied chuck in use.

The structure of the T-shaped nut 3 is shown in fig. 2 and 4, the T-shaped nut 3 is integrally formed by a socket joint part positioned below and a connecting part positioned above, and the peripheral dimension of the socket joint part of the T-shaped nut 3 is smaller than the width of a groove body below the T-shaped groove 1-1 of the base 1 but larger than the width of a groove body above the T-shaped groove 1-1 of the base 1; the peripheral size of the connecting part of the T-shaped nut 3 is smaller than the width of the groove body above the T-shaped groove 1-1 of the base 1, the upper end face of the connecting part of the T-shaped nut 3 is not higher than the height of the upper end face of the T-shaped groove 1-1 of the base 1, and the T-shaped nut 3 can move left and right in the T-shaped groove 1-1 of the base 1 but cannot fall off vertically due to the structure. The T-shaped nut 3 is provided with a threaded counter bore for connection from top to bottom along the axial lead thereof.

The limiting block 4 is a block-shaped structural member which is a cuboid as a whole, a screw through hole is formed in the middle of the limiting block 4, and preferably, the length of the limiting block in the front-back direction is the same as the width of the base 1 in the front-back direction.

The limiting block positioning screw 5 is used for being matched with the T-shaped nut 3 to fix the limiting block on the base 1 in a position-adjustable mode, and the limiting block positioning screw 5 penetrates through a screw through hole in the middle of the limiting block 4 from top to bottom and then is in threaded fit connection with a threaded counter bore of the T-shaped nut 3.

The dog 6 is the cubic structure of cuboid, establishes the fore-and-aft length that the width is not more than stopper 4 around the dog 6. The dog 6 is fixed on the jack catch that the chuck has when using, and dog 6 cooperatees with stopper 4 after the adjustment targets in place in the working process, carries on spacingly to the jack catch motion stroke of chuck. Preferably, the stopper 6 is provided with mounting screw holes, 1 mounting screw 7 is disposed for each screw hole, and the stopper 6 is fixed to the chuck jaws by the mounting screws 7 in use.

(application example 1)

Referring to fig. 6 and 7, the anti-pinch mechanism for the laser pipe cutting chuck of the foregoing embodiment is configured with 2 sets of the clamping jaws, wherein one set of the clamping jaws is installed at 1 vertical jaw 101 of the same set of vertical 2 jaws, and the other set of the clamping jaws is installed at 1 left horizontal jaw 102 of the other set of left and right 2 jaws, and the specific installation manner is as follows: the base 1 is fixedly arranged on a front cover 100 of the chuck at the corresponding clamping jaw through a base mounting screw 2, the stop block 6 is fixedly arranged on the corresponding clamping jaw and is positioned at the outer side of the clamping jaw relative to the center of the chuck, and the limit block 4 is positioned at the inner side of the stop block 6.

Install the chuck of preventing pressing from both sides flat mechanism of aforementioned embodiment before work, according to the peripheral dimensions of the thin pipe or breakable pipe fitting of processing, according to current industry experience, correspondingly adjust stopper 4 and utilize stopper set screw 5 and the cooperation of T type nut 3 to fix stopper 4 on base 1 after position to the setting value on base 1, 2 sets of stopper 4 of preventing pressing from both sides flat mechanism can be the same in the position setting value on base 1, also can be different, so that be suitable for the tight needs of clamp of the processed pipe fitting of different shapes.

After the arrangement is finished, the chuck can be used for clamping a processed pipe, when the flat clamping preventing claw shown in figure 6 is in an open state, a power source of the chuck enables 2 upward and downward claws 101 to move up and down in opposite directions through a driving mechanism and a synchronizing mechanism, and when the power source moves to a state that a stop block 6 arranged on 1 upward and downward claw 101 is abutted against a corresponding limiting block 4, the 2 upward and downward claws 101 synchronously move to a set upward and downward clamping position; meanwhile, the 2 left and right jaws 102 move oppositely left and right, and when the stop blocks 6 arranged on the 1 left and right jaws 102 are abutted against the corresponding limit blocks 4, the 2 left and right jaws 102 synchronously move to the set left and right clamping positions, as shown in fig. 7; at the moment, due to the rigid limit of the 2 limit blocks 4, the 2 vertical claws 101 and the 2 horizontal claws 102 cannot move continuously while clamping the processed pipe, so that the processed thin-wall pipe or fragile pipe cannot be flattened or crushed on the basis of being clamped. And because 2 groups of claws are limited by adopting mechanical structures, the chuck is suitable for severe working environment of the chuck and works reliably.

(application example 2)

Referring to fig. 8 and 9, the present application example is otherwise the same as application example 1, except that: the flat mechanism of preventing pressing from both sides for laser pipe cutting chuck of aforementioned embodiment installs 4 sets on the chuck is cut to laser pipe, and 4 sets of flat mechanisms of preventing pressing from both sides are spacing to 2 from top to

bottom jack catchs

101 and 2 from left to right jack catchs 102 respectively. Compared with the application example 1, the working reliability of the application example is higher.

The above embodiments and application examples are illustrative of specific embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention to obtain the equivalent technical solutions, so all equivalent technical solutions should be included in the scope of the present invention.

Claims

1. The utility model provides a prevent pressing from both sides flat mechanism for laser pipe cutting chuck which characterized in that: including the base that is equipped with T type groove, the T type nut in the T type inslot of base is located to position adjustable, locates stopper on the base passes stopper and T type nut threaded connection are in the stopper set screw of location on the base to and during the use fixed locate on the jack catch that the chuck of using has and with the stopper cooperation carries out spacing dog to the jack catch stroke.

2. The anti-pinch mechanism for the laser pipe cutting chuck according to claim 1, wherein: the base is the structure that wholly is the cuboid type, the length direction of edge base on the base of T type groove is followed the up end of base and is recessed downwards, and T type groove comprises top cell body and below cell body an organic whole, and the width of top cell body is less than the width of below cell body, and the height of top cell body is greater than the height of below cell body.

3. The flat clamping prevention mechanism for the laser pipe cutting chuck as claimed in claim 2, wherein: the T-shaped nut is integrally formed by a sleeving part positioned below and a connecting part positioned above, and the peripheral size of the sleeving part of the T-shaped nut is smaller than the width of a groove body below the T-shaped groove of the base and larger than the width of a groove body above the T-shaped groove of the base; the peripheral size of the connecting part of the T-shaped nut is smaller than the width of a groove body above the T-shaped groove of the base, and the height of the upper end face of the connecting part of the T-shaped nut is not higher than that of the upper end face of the T-shaped groove of the base; the T-shaped nut is provided with a threaded counter bore used for connection from top to bottom along the axial lead of the T-shaped nut.

4. The flat clamping prevention mechanism for the laser pipe cutting chuck as claimed in claim 3, wherein: the stopper is the whole cubic structure that is the cuboid, and the centre department of stopper is equipped with the screw clearing hole, stopper set screw is connected with the screw thread counter bore screw-thread fit of T type nut from last to passing behind the screw clearing hole of stopper down.

5. The flat clamping prevention mechanism for the laser pipe cutting chuck as claimed in claim 2, wherein: the length of the limiting block in the front-back direction is the same as the width of the base in the front-back direction.

6. The flat clamping prevention mechanism for the laser pipe cutting chuck as claimed in claim 1, wherein: the stop block is provided with screw holes for installation, each screw hole is provided with 1 installation screw, and the stop block is fixedly arranged on a clamping jaw of an applied chuck through the installation screws in use.

7. The flat mechanism of preventing of pressing from both sides for laser pipe cutting chuck of claim 2 ~ 6, its characterized in that: the base is provided with a plurality of mounting screw holes which are communicated up and down at intervals in the T-shaped groove along the length direction, and each mounting screw hole is provided with a base mounting screw; when in use, the base is fixedly connected with the applied chuck through the base mounting screw and is mounted on the applied chuck.