CN112846370A

CN112846370A - Pipe clamp of pipe cutting machine

Info

Publication number: CN112846370A
Application number: CN202011539072.5A
Authority: CN
Inventors: 黄红剑; 陈大建; 郑长和
Original assignee: Zhejiang Jiatai Laser Technology Co ltd
Current assignee: Zhejiang Jiatai Laser Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-05-28
Anticipated expiration: 2040-12-23
Also published as: CN112846370B

Abstract

The invention discloses a pipe clamp of a pipe cutting machine, which comprises a front end clamp, a rear end clamp and a clamp platform, wherein the front end clamp and the rear end clamp are oppositely arranged, and the front end clamp comprises a clamp seat, a clamp turntable rotatably arranged on the clamp seat, a rotating motor arranged at one end of the clamp seat, which is back to the clamp turntable, and a plurality of clamping heads which are arranged on the clamp turntable in a sliding manner. The pipe clamp of the pipe cutting machine adopts the mode of the clamp seats which are all cylindrical, so that the occupied area of the clamp can be greatly reduced.

Description

Pipe clamp of pipe cutting machine

Technical Field

The invention relates to a pipe cutting machine, in particular to a pipe clamp of the 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.

Because the particularity of tubular product structure, 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, the tip of tubular product is cliied in order to this realization, drive structure to the chuck among the prior art generally all is the mode of adopting the cylinder, install quantity and chuck one-to-one's cylinder promptly in the quotation of anchor clamps carousel, then promote the mode that the chuck slided through the cylinder and realize cliping and release the action, so can be because the length that the cylinder will occupy is 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 pipe cutting machine pipeline clamp which is small in occupied area of a cylinder and high in economical efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a pipe cutting machine pipeline clamp comprises a front end clamp, a rear end clamp and a clamp platform, wherein the front end clamp and the rear end clamp are arranged oppositely and are arranged on the clamp platform at intervals, the front end clamp comprises a clamp seat, a clamp turntable which is rotatably arranged on the clamp seat, a rotating motor which is arranged at one end of the clamp seat, which is back to the clamp turntable, and a plurality of chucks which are arranged on the clamp turntable in a sliding manner, a rotating shaft of the rotating motor is linked with the clamp turntable through a gear box to drive the clamp turntable to rotate, the clamp turntable is cylindrical, one end of the clamp turntable is rotatably arranged on the clamp seat, the plurality of chucks are arranged at one end of the clamp turntable, which is back to the clamp seat, the clamp turntable is hollow and has a structure with two closed ends, and a clamping cylinder is fixed on the inner wall of one end, which faces the clamp seat, the push rod of the clamping cylinder is connected with a connecting rod, the connecting rod penetrates through the clamp turntable and is connected with the chucks after facing one end of the chucks so as to drive the chucks to move oppositely or oppositely, the rear end clamp comprises a rear clamping seat, a rear clamping disc and a plurality of rear clamping blocks which can be arranged on the rear clamping disc in a sliding manner, the rear clamping disc is rotatably arranged on the rear clamping seat and is fixed on the rear turntable, a cylindrical structure is formed between the rear clamping disc and the rear turntable, a driving disc is rotatably arranged on the end surface of one end of the rear clamping disc opposite to the rear turntable, a driving device for driving the driving disc to rotate is arranged on the rear turntable, a plurality of sliding grooves are formed in one end of the rear clamping disc opposite to the driving disc, a plurality of rear clamping blocks are arranged in the sliding grooves in a one-to-one correspondence manner, a driving rod is fixed at one, the end face of the driving disc, which is opposite to the rear chuck, is provided with a driving groove, the driving rod extends into the driving groove, and the chuck and the rear clamping block are arranged oppositely to be matched with each other to clamp two ends of the pipe.

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 driving groove is arc-shaped, one end of the driving groove is close to the circumference of the driving disc, and the other end of the driving groove is close to the center of the circle of the driving disc.

As a further improvement of the invention, the driving device is a driving cylinder, a connecting column is fixed at the position of the circle center of the rear turntable, the driving disc comprises a fixed disc and a movable disc, the fixed disc is coaxially fixed on the connecting column, the movable disc is rotatably arranged on the end surface of the fixed disc, a driving groove is formed on the movable disc, the rear chuck is coaxially fixed on the connecting column, an arc-shaped hole is formed in the fixed disc, a linkage rod is connected to the pushing rod of the driving cylinder, and the linkage rod passes through the arc-shaped hole and then is connected with the movable disc.

The pipe clamping device has the advantages that the clamp turntable is arranged to be cylindrical, so that the clamping cylinder is accommodated in the clamp turntable, the area of the clamp turntable is greatly reduced, the economy of the cutting machine is improved, the driving groove on the driving disc is matched with the driving rod to drive the rear clamping block to slide to clamp or release a pipe through the rotation of the driving disc through the arrangement of the driving disc, and the occupation of the space is greatly reduced compared with the mode that the cylinder is directly pushed in the prior art, so that the occupation of the external space of the whole pipe clamp can be comprehensively reduced, the whole equipment can be more miniaturized, and the economy is improved.

Drawings

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

FIG. 2 is an internal overall view of the fixture carousel of FIG. 1;

FIG. 3 is an overall view of the rear end clamp of the pipe cutter pipe clamp of the present invention;

fig. 4 is an internal structural view of fig. 3.

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 4, the pipe clamp of the pipe cutting machine of the present embodiment includes a front end clamp, a rear end clamp and a clamp platform, the front end clamp and the rear end clamp are disposed opposite to each other and are mounted on the clamp platform at intervals, the front end clamp includes a clamp base 1, a clamp turntable 2 rotatably mounted on the clamp base 1, a rotating motor 3 mounted at one end of the clamp base 1 facing away from the clamp turntable 2, and a plurality of chucks 4 slidably disposed on the clamp turntable 1, 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 is rotatably mounted on the clamp base 1, the plurality of chucks 4 are mounted at one end of the clamp turntable 2 facing away from the clamp base 1, the clamp turntable 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 clamp turntable 2 facing the clamp seat 1, a connecting rod 6 is connected on a push rod of the clamping cylinder 5, the connecting rod 6 passes through one end of the clamp turntable 2 facing the clamps 4 and then is connected with the clamps 4 so as to drive the clamps 4 to move oppositely or back to back, the rear clamp comprises a rear clamp seat a1, a rear clamp seat a2 and a plurality of rear clamping blocks a3 which are arranged on a rear clamp seat a2 in a sliding manner, a rear turntable a4 is rotatably arranged on the rear clamp seat a1, the rear clamp seat a2 is fixed on a rear turntable a4, a cylindrical structure is formed between the rear clamp seat a1 and the rear turntable a4, a driving disk a5 is rotatably arranged on one end face of the rear chuck a2 opposite to the rear turntable a4, a6 for driving the driving disk a5 to rotate is arranged on the rear turntable a4, a2 is provided with a plurality of sliding grooves on one end, a plurality of rear clamping blocks a3 are slidably arranged in the sliding grooves in a one-to-one correspondence manner, one end of the rear clamping block a3 opposite to the rear clamping block a2 is fixed with a driving rod a34, the driving rod a34 penetrates through the rear clamping block a2, the end surface of the driving disk a5 opposite to the rear clamping block a2 is provided with a driving groove, the driving rod a34 extends into the driving groove, the clamping head 4 and the rear clamping block a3 are oppositely arranged to clamp two ends of a pipe in a mutual matching manner, in the process of clamping the front end of the pipe, the end of the pipe can be effectively clamped by the clamping head 4 mainly through the action of the clamping cylinder 5, so that the clamping and cutting operation of the pipe is realized, in the process of clamping the rear end of the pipe, the sliding of the rear clamping block a3 is mainly realized, in the process of sliding the rear clamping block a3, the driving disk a5 is driven by the driving device a6 to rotate, and then the driving groove on the a5 is matched with the driving rod a, the effect of driving the rear clamping block a3 to slide back and forth on the rear chuck a2 is achieved, so that the clamp turntable a2 is arranged to be hollow cylindrical, and the rear chuck a2 and the rear turntable a4 are combined in a cylindrical manner, and the driving disc a5 is used for transferring driving, so that the clamping cylinder 5 can be effectively accommodated in the clamp turntable, and compared with the mode that the clamp turntable 2 is mainly arranged to be a large disc in the prior art, the area is greatly reduced, and the economy is improved.

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 implementation manner, the driving groove is arc-shaped, one end of the driving groove is close to the circumferential edge of the driving disc a5, and the other end of the driving groove is close to the center of the driving disc a5, and the arc-shaped manner is adopted, so that the sliding of the rear clamping block 3 driven by the driving disc a5 in the rotating process can be more stable and reliable.

As an improved specific embodiment, the driving device a6 is a driving cylinder, the post a41 is fixed at the position of the center of the rear turntable a4, the driving disk a5 includes a fixed disk a51 and a movable disk a52, the fixed disk a51 is coaxially fixed on the post a41, the movable disk a52 is rotatably arranged on the end face of the fixed disk a51, the driving slot is opened on the movable disk a52, the rear chuck a2 is coaxially fixed on the post a41, an arc-shaped hole is opened on the fixed disk a51, a linkage rod a61 is connected to a push rod of the driving cylinder, the linkage rod a61 passes through the arc-shaped hole and then is connected to the movable disk a52, by the arrangement of the above structure, the driving cylinder lying horizontally to drive the rotation of the driving disk a5 can be effectively realized, the stroke distance is more accurate and the operation process is more stable and reliable than the mode using a motor, wherein the movable disk a52 of this embodiment is arranged by splicing two disks, one driving cylinder controls one disc, so that a large enough stroke range is provided, and the occurrence of a frame hitting situation is avoided.

To sum up, the pipe clamp of this embodiment has adopted and has set the anchor clamps carousel 2 of front end anchor clamps to cylindricly, and with making up into cylindric mode between back (holding) disc a2 and the back carousel a4, can effectual realization hold including power cylinder, and then great reduction to the occupation of exterior space.

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 pipe cutting machine pipe clamp which characterized in that: comprises a front end clamp, a rear end clamp and a clamp platform, wherein the front end clamp and the rear end clamp are arranged oppositely and are arranged on the clamp platform at intervals, the front end clamp comprises a clamp seat (1), a clamp turntable (2) which is rotatably arranged on the clamp seat (1), a rotating motor (3) which is arranged at one end of the clamp seat (1) back to the clamp turntable (2) and a plurality of chucks (4) which can be arranged on the clamp turntable (1) in a sliding manner, 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 is rotatably arranged on the clamp seat (1), the plurality of chucks (4) are arranged at one end of the clamp turntable (2) back to the clamp seat (1), the clamp turntable (2) is internally hollow, the structure with two closed ends is characterized in that a clamping cylinder (5) is fixed on the inner wall of one end of the clamp turntable (2) facing the clamp seat (1), a push rod of the clamping cylinder (5) is connected with a connecting rod (6), the connecting rod (6) penetrates through one end of the clamp turntable (2) facing the chucks (4) and then is connected with the chucks (4) so as to drive the chucks (4) to move oppositely or back to back, the rear-end clamp comprises a rear clamp seat (a1), a rear chuck (a2) and a plurality of rear clamp blocks (a3) which are arranged on a rear chuck (a2) in a sliding manner, a rear turntable (a4) is rotatably arranged on the rear clamp seat (a1), the rear chuck (a2) is fixed on a rear turntable (a4) and forms a cylindrical structure with each other, a driving disk (a5) is rotatably arranged on the end face of the rear chuck (a2) opposite to the end face of the rear turntable (a4), the rear turntable (a4) is provided with a driving device (a6) for driving a driving disc (a5) to rotate, one end of the rear chuck (a2) back to the driving disc (a5) is provided with a plurality of sliding grooves, a plurality of rear clamping blocks (a3) are arranged in the sliding grooves in a one-to-one sliding mode, one end, opposite to the rear chuck (a2), of each rear clamping block (a3) is fixedly provided with a driving rod (a34), the driving rod (a34) penetrates through the rear chuck (a2), the end face, opposite to the rear chuck (a2), of the driving disc (a5) is provided with a driving groove, the driving rod (a34) stretches into the driving groove, and the chuck (4) and the rear clamping blocks (a3) are arranged oppositely to match with each other to clamp two ends of a pipe.

2. The pipe cutter pipe clamp of claim 1, wherein: 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 pipe clamp of claim 2, wherein: 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 cutter pipe clamp of claim 3, wherein: 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 pipe clamp according to any one of claims 1 to 4, wherein: the driving groove is arc-shaped, one end of the driving groove is close to the circumference of the driving disc (a5), and the other end of the driving groove is close to the center of the driving disc (a 5).

6. The pipe cutter pipe clamp of claim 5, wherein: the driving device (a6) is a driving cylinder, a connecting column (a41) is fixed at the position of the circle center of the rear turntable (a4), the driving disc (a5) comprises a fixed disc (a51) and a driving disc (a52), the fixed disc (a51) is coaxially fixed on the connecting column (a41), the driving disc (a52) is rotatably arranged on the end face of the fixed disc (a51), a driving groove is formed in the driving disc (a52), the rear chuck (a2) is coaxially fixed on the connecting column (a41), an arc-shaped hole is formed in the fixed disc (a51), a linkage rod (a61) is connected to a pushing rod of the driving cylinder, and the linkage rod (a61) is connected with the driving disc (a52) after passing through the arc-shaped hole.