CN112620786A

CN112620786A - Front end clamp structure of pipe cutting machine

Info

Publication number: CN112620786A
Application number: CN202011548072.1A
Authority: CN
Inventors: 黄红剑; 郑长和; 陈大建
Original assignee: Zhejiang Jiatai Laser Technology Co ltd
Current assignee: Jiatai Laser Intelligent Equipment Suqian Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-04-09
Anticipated expiration: 2040-12-23
Also published as: CN112620786B

Abstract

The invention discloses a front-end clamp structure of a pipe cutting machine, which comprises a clamp seat, a clamp rotary table, a rotary motor and a plurality of chucks, wherein the clamp rotary table is rotatably installed on the clamp seat, the rotary motor is installed at one end, opposite to the clamp rotary table, of the clamp seat, the plurality of chucks are arranged on the clamp rotary table in a sliding manner, one end of the clamp rotary table is rotatably installed on the clamp seat, the plurality of chucks are installed at one end, opposite to the clamp seat, of the clamp rotary table, the clamp rotary table is hollow, the two ends of the clamp rotary table are closed, a clamping cylinder is fixed on the inner wall of one end, facing the clamp seat, of the clamp rotary table, a push rod of the clamping cylinder is connected with the connecting rod, and the. According to the front-end clamp structure of the pipe cutting machine, the clamping cylinder can be accommodated in the clamp turntable through the arrangement of the cylindrical clamp turntable, so that the problem of overlarge area caused by the existence of the clamping cylinder in the prior art can be effectively solved.

Description

Front end clamp structure of pipe cutting machine

Technical Field

The invention relates to a clamp structure, in particular to a front-end clamp structure of a pipe cutting machine.

Background

The pipe cutting machine is a cutting machine comparatively commonly used at present, through the effect of this cutting machine, alright realize cutting to tubular product, and the structure of current cutting machine is including cutting platform, the gliding cutting head and the cutting anchor clamps of setting on cutting platform, utilizes the one end of cutting anchor clamps cliping tubular product at the in-process of cutting, then cuts through the cutting head.

The structure of current cutting jig generally includes circular shape anchor clamps carousel, set up a plurality of chucks on the anchor clamps carousel, a plurality of chucks can slide on the anchor clamps carousel, with this tip of carrying tubular product of realization, the drive structure to the chuck among the prior art generally all is the mode of adopting the cylinder, install quantity and the cylinder of chuck one-to-one promptly in the quotation of anchor clamps carousel, then promote the mode that the chuck slided through the cylinder and realize carrying and release the action, so can be because the cylinder will occupy the length great, lead to the problem of the area grow of anchor clamps carousel, make the cutting machine not possess the economic nature.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the front end clamp structure of the pipe cutting machine, which has the advantages of small cutting clamp area, low cost and economy.

In order to achieve the purpose, the invention provides the following technical scheme: a front end clamp structure of a pipe cutting machine comprises a clamp seat, a clamp rotary table which is rotatably arranged on the clamp seat, a rotary motor which is arranged at one end of the clamp seat back to the clamp rotary table, and a plurality of clamping heads which are arranged on the clamp rotary table in a sliding way, the rotating shaft of the rotating motor is linked with the clamp turntable through the gear box to drive the clamp turntable to rotate, the clamp turntable is cylindrical, one end of the clamping head is rotatably arranged on the clamp seat, a plurality of clamping heads are arranged on one end of the clamp turntable back to the clamp seat, the clamp turntable is of a structure with a hollow interior and two closed ends, a clamping cylinder is fixed on the inner wall of one end of the clamp turntable, which faces the clamp seat, the connecting rod is connected to a pushing rod of the clamping cylinder, penetrates through the clamp turntable and is connected with the clamp after facing one end of the clamp so as to drive the plurality of clamps to move oppositely or back to back.

As a further improvement of the invention, the four clamping heads are arranged and distributed in a cross shape at the end part of the clamp turntable, the four clamping cylinders are arranged and distributed in a cross shape on the inner side wall of the end part of the clamp turntable, the connecting rod vertical rod group and the transverse rod group are linked, the vertical rod group is linked with the clamping cylinders and the clamping heads which are arranged up and down, and the transverse rod group is linked with the clamping cylinders and the clamping heads which are arranged left and right.

As a further improvement of the present invention, the vertical rod set comprises a gantry frame rod, an upper V-shaped rod and a lower V-shaped rod, two ends of the gantry frame rod are respectively connected with two vertical clamping cylinders, a sliding column is arranged at a circular position of an inner side wall at the end of the clamp turntable, a connecting column is fixed at a position of a middle portion of one side of the gantry frame rod, which is opposite to the clamping cylinders, the connecting column is installed on the sliding column, embedding holes are formed on upper and lower side surfaces of the sliding column, one ends of the upper V-shaped rod and the lower V-shaped rod are respectively embedded into the two embedding holes, break angles of the upper V-shaped rod and the lower V-shaped rod are hinged on the inner side wall of the clamp turntable, so that the upper V-shaped rod and the lower V-shaped rod rotate in the clamp turntable with the break angle as a circle center, and the other ends of the upper V-shaped rod and the lower V-.

As a further improvement of the invention, the transverse rod group comprises a transverse connecting rod, a left middle rod, a left V-shaped rod, a right middle rod and a right V-shaped rod, the side surfaces of the transverse connecting rod are respectively connected with two transverse clamping cylinders, the middle part of the transverse connecting rod is provided with a sliding hole, a connecting plate is arranged between the cylinder bodies of the two transverse clamping cylinders, a sliding column is fixed on the position of the connecting plate relative to the middle part of the transverse connecting rod, the sliding hole is sleeved on the sliding column, the two transverse clamping cylinders are symmetrically arranged by taking the sliding hole as the center, one ends of the left middle rod and the right middle rod are respectively hinged on the two ends of the transverse connecting rod, the break angles of the left V-shaped rod and the right V-shaped rod are hinged on the inner side wall of the clamp turntable, so that the left V-shaped rod and the right V-shaped rod rotate in the clamp turntable by taking the break angle as the center of circle, one ends of the left V-, the other ends of the left V-shaped rod and the right V-shaped rod are hinged to one ends, back to the transverse connecting rod, of the left middle rod and the right middle rod respectively.

As a further improvement of the invention, the chuck comprises an inner chuck, an outer chuck and a slide block, a sliding groove which is distributed in a cross shape is formed in the end surface of the clamp turntable relative to the chuck, the slide block is arranged in the sliding groove in a sliding manner, a through hole is formed in the bottom of the sliding groove for a left V-shaped rod, a right V-shaped rod, an upper V-shaped rod and a lower V-shaped rod to pass through, the inner chuck and the outer chuck are both arranged on the slide block, and anti-skid grains are formed on the inner side and the outer side of each of the inner chuck and the outer chuck.

As a further improvement of the invention, the inner side walls of the inner chuck and the outer chuck are respectively provided with a groove, wherein one side of the inner chuck and one side of the outer chuck of the vertical chuck, which are back to the fixture turntable, are isosceles trapezoids.

The rotary front-end clamp structure has the advantages that the rotary front-end clamp structure can be effectively realized through the arrangement of the clamp seat, the clamp rotary disc, the rotary motor and the chuck, and the clamping cylinder is accommodated in the clamp rotary disc through the arrangement of the clamp rotary disc in a cylindrical shape.

Drawings

FIG. 1 is an overall structural view of a front end clamp structure of a pipe cutting machine according to the present invention;

fig. 2 is a schematic view of the internal structure of the chuck table.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1 to 2, the front end clamp structure of a pipe cutting machine according to the present embodiment includes a clamp base 1, a clamp turntable 2 rotatably installed on the clamp base 1, a rotating motor 3 installed at one end of the clamp base 1 opposite to the clamp turntable 2, and a plurality of chucks 4 slidably installed on the clamp turntable 1, wherein a rotating shaft of the rotating motor 3 is linked with the clamp turntable 2 through a gear box to drive the clamp turntable 2 to rotate, the clamp turntable 2 is cylindrical, one end of the clamp turntable 2 is rotatably installed on the clamp base 1, the plurality of chucks 4 are installed at one end of the clamp turntable 2 opposite to the clamp base 1, the clamp turntable 2 is hollow and has a structure with two closed ends, a clamping cylinder 5 is fixed on an inner wall of one end of the clamp turntable 2 facing the clamp base 1, and a push rod of the clamping cylinder 5 is connected with a connecting rod 6, connecting rod 6 passes anchor clamps carousel 2 and is connected with chuck 4 behind the one end towards chuck 4, in order to drive a plurality of chuck 4 relative or back-to-back motion, at the in-process that uses the anchor clamps structure of this embodiment, only need with anchor clamps seat 1 install on the outside cutting machine can, then through the action of centre gripping cylinder 5, utilize chuck 4 alright effectual tip of cliping tubular product, so realize the centre gripping cutting operation to tubular product, and adopted in this embodiment to set anchor clamps carousel 2 into hollow circular cylindrical's mode, including alright effectual holding clamping cylinder 5, so compare in prior art and adopt the mode that mainly sets anchor clamps carousel 2 into big disc, great reduction the area, the economic nature has been increased.

As a modified embodiment, chuck 4 is equipped with four and is the cross distribution at the tip of anchor clamps carousel 2, centre gripping cylinder 5 is equipped with four, is the cross distribution on the inside wall of 2 tip of anchor clamps carousel, 6 vertical pole group of connecting rod and horizontal pole group, the centre gripping cylinder 5 and the chuck 4 that set up from top to bottom in the linkage of vertical pole group, centre gripping cylinder 5 and chuck 4 that set up about the linkage of horizontal pole group so alright realize at the in-process of centre gripping tubular product, can carry tubular product in step to this realizes better centre gripping positioning effect.

As an improved specific embodiment, the vertical rod set includes a gantry frame rod 61, an upper V-shaped rod 62 and a lower V-shaped rod 63, two ends of the gantry frame rod 61 are respectively connected with two vertical clamping cylinders 5, a sliding column is arranged at a circular position of an inner side wall of an end portion of the clamp turntable 2, a connecting column is fixed at a position of a middle portion of one side of the gantry frame rod 61 facing away from the clamping cylinders 5, the connecting column is mounted on the sliding column, embedding holes are formed on upper and lower side surfaces of the sliding column, one ends of the upper V-shaped rod 62 and the lower V-shaped rod 63 are respectively embedded into the two embedding holes, break angles of the upper V-shaped rod 62 and the lower V-shaped rod 63 are hinged on the inner side wall of the clamp turntable 2, so that the upper V-shaped rod 62 and the lower V-shaped rod 63 rotate in the clamp turntable 2 with the break angle as a circle center, and the other ends of the upper V-shaped rod 62 and the lower V-shaped rod 63 are respectively connected with, through the setting of vertical pole group, alright effectual realization drive chuck 4 has produced the action to the setting of portal hack lever 61 has been adopted, alright realization has better harmony at the in-process that drive chuck 4 moved under the prerequisite of having accomplished the conversion to cylinder motion.

As an improved specific embodiment, the transverse rod set includes a transverse connecting rod 64, a left middle rod 65, a left V-shaped rod 66, a right middle rod 67 and a right V-shaped rod 68, the lateral surfaces of the transverse connecting rod 64 are respectively connected to the two transverse clamping cylinders 5, a sliding hole is formed in the middle of the transverse connecting rod, a connecting plate is arranged between the cylinders of the two transverse clamping cylinders 5, a sliding column is fixed on the connecting plate at a position corresponding to the middle of the transverse connecting rod 64, the sliding hole is sleeved on the sliding column, the two transverse clamping cylinders 5 are symmetrically arranged with the sliding hole as the center, one end of the left middle rod 65 and one end of the right middle rod 67 are respectively hinged on the two ends of the transverse connecting rod 64, the break angle of the left V-shaped rod 66 and the break angle of the right V-shaped rod 68 are hinged on the inner side wall of the fixture turntable 2, so that the left V-shaped rod 66 and the right V-shaped rod 68 rotate with the break angle as the center of a circle in the fixture turntable 2, one end of the left V-shaped rod, the other end of left V-arrangement pole 66 and right V-arrangement pole 68 is articulated in left king rod 65 and right king rod 67 one end of horizontal connecting rod 64 dorsad respectively, has adopted the setting of horizontal connecting rod 64, alright realize having accomplished under the prerequisite to the cylinder motion conversion, have better harmony at the in-process of drive chuck 4 motion to can with the cooperation of interlude each other of vertical pole group, realize the make full use of to anchor clamps carousel 2 inner space.

As an improved specific embodiment, the collet 4 includes an inner collet 41, an outer collet 42 and a sliding block 43, a sliding groove 21 distributed in a cross shape is formed in an end surface of the clamp rotary table 2 relative to the collet 4, the sliding block 43 is slidably disposed in the sliding groove 21, a through hole is formed in a bottom of the sliding groove 21 for a left V-shaped rod 66, a right V-shaped rod 68, an upper V-shaped rod 62 and a lower V-shaped rod 63 to pass through, the inner collet 41 and the outer collet 42 are both mounted on the sliding block 43, anti-slip threads are disposed on inner and outer sides of the inner collet 41 and the outer collet 42, and the tube wall of the tube can be clamped in the process of clamping the tube through the arrangement of the inner collet 41 and the outer collet 42, so that the probability of tube deformation caused in the cutting process is reduced.

As an improved specific embodiment, the inner side walls of the inner chuck 41 and the outer chuck 42 are both provided with grooves, wherein one side of the inner chuck 41 and one side of the outer chuck 42 of the vertical chuck 4, which faces away from the fixture turntable 2, are isosceles trapezoids, and through the arrangement of the structure, a better effect of clamping the pipe can be effectively realized.

In conclusion, the fixture structure of this embodiment, through the setting of well accuse cylindric fixture carousel 2, including alright effectual realization holds clamping cylinder 5, avoids adopting the too big problem of area that the disc structure leads to among the prior art.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a tubular product cutting machine front end anchor clamps structure, includes anchor clamps seat (1), rotatable anchor clamps carousel (2) of installing on anchor clamps seat (1) and install at anchor clamps seat (1) rotating electrical machines (3) of anchor clamps carousel (2) one end dorsad and can gliding a plurality of chuck (4) of setting on anchor clamps carousel (1), the pivot of rotating electrical machines (3) passes through gear box and anchor clamps carousel (2) linkage to it is rotatory to drive anchor clamps carousel (2), its characterized in that: the fixture rotary table (2) is cylindrical, one end of the fixture rotary table is rotatably mounted on the fixture seat (1), and the fixture rotary table (2) is mounted at one end of the fixture rotary table (2) back to the fixture seat (1), the fixture rotary table (2) is hollow inside and has a structure with two closed ends, a clamping cylinder (5) is fixed on the inner wall of one end of the fixture rotary table (2) facing the fixture seat (1), a connecting rod (6) is connected to a push rod of the clamping cylinder (5), and the connecting rod (6) penetrates through the fixture rotary table (2) and is connected with the fixture (4) after facing one end of the fixture rotary table (4) so as to drive the plurality of fixtures (4) to move relatively or back to back.

2. The pipe cutting machine front end clamp structure according to claim 1, characterized in that: chuck (4) are equipped with four and are the cross distribution at the tip of anchor clamps carousel (2), centre gripping cylinder (5) are equipped with four, are the cross distribution on the inside wall of anchor clamps carousel (2) tip, connecting rod (6) vertical pole group and horizontal pole group, centre gripping cylinder (5) and chuck (4) that set up about the linkage of vertical pole group, centre gripping cylinder (5) and chuck (4) that set up about the linkage of horizontal pole group.

3. The pipe cutter front end clamp structure according to claim 2, characterized in that: the vertical rod set comprises a gantry frame rod (61), an upper V-shaped rod (62) and a lower V-shaped rod (63), two ends of the gantry frame rod (61) are respectively connected with two vertical clamping cylinders (5), a sliding column is arranged at the circular position of the inner side wall of the end part of the clamp turntable (2), a connecting column is fixed at the position of the middle part of one side, back to the clamping cylinders (5), of the gantry frame rod (61), the connecting column is installed on the sliding column, embedding holes are formed in the upper side surface and the lower side surface of the sliding column, one ends of the upper V-shaped rod (62) and the lower V-shaped rod (63) are respectively embedded into the two embedding holes, the break angles of the upper V-shaped rod (62) and the lower V-shaped rod (63) are hinged on the inner side wall of the clamp turntable (2) so that the upper V-shaped rod (62) and the lower V-shaped rod (63) rotate in the clamp turntable (2) by taking the break angles as the circle center, and the other ends of the upper V-shaped rod (62) and the lower The opposite chucks (4) are connected.

4. The pipe cutting machine front end clamp structure according to claim 3, characterized in that: the transverse rod group comprises a transverse connecting rod (64), a left middle rod (65), a left V-shaped rod (66), a right middle rod (67) and a right V-shaped rod (68), the side surfaces of the transverse connecting rod (64) are respectively connected with two transverse clamping cylinders (5), a sliding hole is formed in the middle of the transverse connecting rod, a connecting plate is arranged between the cylinder bodies of the two transverse clamping cylinders (5), a sliding column is fixed on the position, relative to the middle of the transverse connecting rod (64), of the connecting plate, the sliding hole is sleeved on the sliding column, the two transverse clamping cylinders (5) are symmetrically arranged by taking the sliding hole as the center, one ends of the left middle rod (65) and the right middle rod (67) are respectively hinged on two ends of the transverse connecting rod (64), the break angles of the left V-shaped rod (66) and the right V-shaped rod (68) are hinged on the inner side wall of the clamp turntable (2), so that the left V-shaped rod (66) and the right V-shaped rod (68) rotate in the clamp turntable (2) by taking the break angle, one end of the left V-shaped rod (66) and one end of the right V-shaped rod (68) are respectively connected with the two transverse chucks (4), and the other ends of the left V-shaped rod (66) and the right V-shaped rod (68) are respectively hinged with one end of the left middle rod (65) and one end of the right middle rod (67), which are back to the transverse connecting rod (64).

5. The pipe cutter front end clamp structure according to claim 4, characterized in that: chuck (4) are including interior chuck (41) and outer chuck (42) and slider (43), offer spout (21) that are the cross distribution for the position of chuck (4) on the terminal surface of anchor clamps carousel (2), setting that slider (43) can slide is in spout (21), the through-hole has been seted up to the tank bottom of spout (21) to supply left V-arrangement pole (66), right V-arrangement pole (68), go up V-arrangement pole (62) and pass down V-arrangement pole (63), interior chuck (41) and outer chuck (42) are all installed on slider (43), anti-skidding line has all been seted up to the inside and outside both sides of interior chuck (41) and outer chuck (42).

6. The pipe cutting machine front end clamp structure according to claim 5, characterized in that: grooves are formed in the inner side walls of the inner chuck (41) and the outer chuck (42), wherein one side, back to the clamp turntable (2), of the inner chuck (41) and one side, back to the clamp turntable (2), of the vertical chuck (4) are isosceles trapezoids.