CN218425913U

CN218425913U - Pipe clamping and pressing mechanism of belt type cutting machine

Info

Publication number: CN218425913U
Application number: CN202222813124.4U
Authority: CN
Inventors: 冯俊; 韩利
Original assignee: Chongqing Kufeng Civil Air Defense Engineering Equipment Co ltd
Current assignee: Chongqing Lijian Construction And Installation Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a tubular product centre gripping hold-down mechanism of belt cutting machine, have the tubular product fixture in centre gripping clearance including the middle part, its characterized in that is equipped with at least one tubular product hold-down mechanism in tubular product fixture top, tubular product hold-down mechanism includes that propelling movement cylinder and demountable installation compress tightly the seat at the tubular product on the piston rod of propelling movement cylinder, has an appearance and size and waits to cut the groove that compresses tightly that tubular product suited in the below that tubular product compressed tightly the seat.

Description

Pipe clamping and pressing mechanism of belt type cutting machine

Technical Field

The utility model relates to a tubular product cutting device among civil air defense engineering, concretely relates to tubular product centre gripping hold-down mechanism of belt cutter.

Background

In civil air defense engineering, a plurality of steel pipes or rectangular pipes are required to be cut according to the requirement of the process length. When cutting a steel pipe or a rectangular pipe, a belt cutter is generally used for cutting. The existing belt cutter mainly comprises: the cutting device comprises a saw blade fixing mechanism, an annular saw blade, a pipe clamping mechanism and a pipe supporting mechanism (such as a guide rail blanking cutting tool disclosed in the Chinese patent with the application number of 2014204762781); the pipe clamping mechanism is positioned between the pipe supporting mechanism and the annular saw blade, and the annular saw blade is arranged close to the front end; the pipe clamping mechanism comprises two clamping plates which are arranged at left and right intervals, and the two clamping plates or one of the two clamping plates can horizontally move under the driving of a pushing mechanism to form a pipeline clamping space in the middle. During cutting, the pipe is placed on the pipe supporting mechanism firstly, then the pipe is clamped tightly through the pipe clamping mechanism, and finally the driving mechanism is started to drive the annular saw blade to move continuously to cut the pipe.

However, during the cutting process of the pipe, the saw blade continuously moves to cut the pipe, and this cutting manner may cause a lateral pulling force to the pipe, so that the pipe may be deviated or tilted during the cutting process.

Disclosure of Invention

Not enough to the above-mentioned that exists to prior art, the utility model aims to provide a belt cutter's tubular product centre gripping hold-down mechanism solves the problem that skew or upwarp easily appear to current belt cutter tubular product when cutting tubular product.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a tubular product centre gripping hold-down mechanism of belt cutting machine, has the tubular product fixture in centre gripping clearance including the middle part, is equipped with at least one tubular product hold-down mechanism above the tubular product fixture, tubular product hold-down mechanism includes push cylinder and the tubular product of demountable installation on push cylinder's piston rod and compresses tightly the seat, has a appearance and size and waits to cut the compressing tightly groove that tubular product suited below tubular product compresses tightly the seat.

Furthermore, the pipe pressing mechanism is arranged on a clamping gap of the pipe clamping mechanism or behind the pipe clamping mechanism.

Further, the pressing groove is arched or rectangular or wavy or trapezoidal.

Furthermore, a flexible cushion layer is arranged at the bottom of the compaction groove.

Further, a sleeve is arranged on the pipe pressing seat and is in threaded connection with a piston rod of the pushing cylinder.

Furthermore, be equipped with a sleeve on tubular product compresses tightly the seat, be equipped with a perforation on the sleeve, be equipped with one at the piston rod end of propelling movement cylinder with the perforation corresponding screw hole, the screw hole is the level setting, and the sleeve passes the perforation back through a locking screw rod, fixes on the piston rod with screw hole screw-thread fit after-fixing.

Furthermore, the pipe clamping mechanism comprises two clamping plates which are arranged at intervals, and the two clamping plates or one of the two clamping plates can be driven by a pushing mechanism to horizontally move and be positioned.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. tubular product is before the cutting, through tubular product fixture centre gripping in the tubular product left and right sides, presss from both sides tubular product tightly, simultaneously, moves from the top down through tubular product hold-down mechanism to block on waiting to cut tubular product by compressing tightly the groove, compress tightly fixed with tubular product, make tubular product receive the three-dimensional when the cutting and compress tightly fixedly, it is more firm to fix, can not appear removing or the perk condition because of the pulling force that the saw bit brought among the cutting process, operating personnel's safety when effectively having ensured the cutting.

2. The pipe pressing base is detachably mounted on the piston rod of the air cylinder, the required pipe pressing base can be replaced according to the shape, the placing number and the size of the pipes, and the pressing mechanism can be effectively ensured to adapt to various specifications and the placing number of pipes to be cut.

3. The pressing groove arranged on the pipe pressing seat can be adapted to the upper end of the pipe to be cut, the pipe is tightly attached, and the pressing effect of the pressing mechanism is effectively ensured.

Drawings

FIG. 1 is a schematic structural view of a belt cutter in an embodiment;

FIG. 2 is an enlarged schematic view of the mounting structure of the pipe clamping and compressing mechanism of the belt cutter of FIG. 1;

FIG. 3 is a schematic structural view of the tube pressing base in the embodiment when the pressing groove is arched;

FIG. 4 is an enlarged schematic view of an installation structure between the tube pressing seat and the piston rod in the embodiment;

FIG. 5 is a schematic structural view of the embodiment in which the pressing groove has a trapezoidal shape.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 5, the pipe clamping and compressing mechanism of the belt cutting machine provided in this embodiment includes a pipe clamping mechanism 1 having a clamping gap 11 in the middle, at least one pipe compressing mechanism 2 is disposed above the pipe clamping mechanism 1, the pipe compressing mechanism 2 includes a push cylinder 21 and a pipe compressing base 23 detachably mounted on a piston rod 22 of the push cylinder 21, and a compressing groove 24 having an outer shape and a size corresponding to a pipe to be cut is disposed below the pipe compressing base 23. After adopting the tubular product centre gripping hold-down mechanism in this embodiment, tubular product is before the cutting, through the centre gripping of tubular product fixture in the tubular product left and right sides, press from both sides tubular product tightly, and simultaneously, move from the top down through tubular product hold-down mechanism, and by compressing tightly the groove card on waiting to cut tubular product, compress tightly tubular product fixedly, make tubular product receive the three-dimensional when the cutting and compress tightly fixedly, it is more firm to fix, can not appear removing or the perk condition because of the pulling force that the saw bit brought among the cutting process, operating personnel's safety when effectively having ensured the cutting. The pipe pressing base is detachably mounted on the piston rod of the air cylinder, the required pipe pressing base can be replaced according to the shape, the placing number and the size of the pipes, and the pressing mechanism can be effectively ensured to adapt to various specifications and the placing number of pipes to be cut. The pressing groove arranged on the pipe pressing seat can be adapted to the upper end of the pipe to be cut, the pipe is tightly attached, and the pressing effect of the pressing mechanism is effectively ensured.

Specifically, the pipe pressing mechanism can be directly installed above the pipe clamping mechanism through an installation frame (reference number 3 in the figure) or an overhanging beam. Specifically, mounting bracket 3 includes many pole settings and arranges the pole setting top in and fixes the mounting panel in the pole setting, propelling movement cylinder 21 fixed mounting is on the mounting panel, and the piston rod is vertical setting.

As shown in fig. 1 and fig. 2, the belt cutting machine in this embodiment includes a frame 4 and an annular saw blade 5, two saw blade protection covers 6 are installed on the frame 4 at intervals, a saw wheel 7 is installed on each saw blade in the two saw blade protection covers 6, the annular saw blade 5 is sleeved on the two saw wheels 7, the saw wheels 7 are driven by a motor to rotate, and the annular saw blade is driven to continuously rotate to cut the pipe to be cut. A beam 8 (the outer end face of the beam is provided with a length mark along the length direction of the beam) is arranged between the two protective covers 6, and two saw blade fixing blocks 9 are arranged on the beam 8 at intervals.

The pipe clamping mechanism 1 is arranged in the middle of the rack, is positioned between the two saw blade protective covers and is arranged at the rear end of the annular saw blade. The pipe pressing mechanism 2 is arranged above the clamping gap 11 of the pipe clamping mechanism 1 or behind the pipe clamping mechanism 1 (i.e. the end far away from the annular saw blade).

The shapes and sizes of the corresponding compaction grooves are different according to the number and shapes of the tubes. As shown in fig. 3, if the pipe to be cut is a round steel pipe, the pressing groove is arched and corresponds to the shape and size of the round steel pipe. As shown in fig. 4, if the pipe to be cut is two round steel pipes arranged side by side, the pressing groove is wavy (as shown in the figure). As shown in fig. 5, if the pipe to be cut is a rectangular pipe, the pressing groove is rectangular (for the convenience of insertion, the clamping groove may also be trapezoidal).

Furthermore, in order to avoid hard contact between the pressing groove and the pipe to be cut and influence the use of the pressing groove, a flexible cushion layer (not shown in the figure) is arranged at the bottom of the pressing groove. Specifically, the flexible cushion layer can be made of rubber, and the flexible cushion layer is fixedly bonded with the pressing groove through viscose.

A sleeve 25 is arranged on the pipe pressing seat 23, and the sleeve 25 is in threaded connection with the piston rod 22 of the pushing cylinder 21. The mode of threaded connection is adopted, the connecting structure is stable, and the installation and the disassembly are convenient. Certainly, in specific implementation, a sleeve 25 may be further disposed on the tube pressing seat 23, a through hole 26 is disposed on the sleeve 25, a threaded hole 27 corresponding to the through hole 26 is disposed at the end of the piston rod 22 of the pushing cylinder 21, the threaded hole 27 is horizontally disposed, and after passing through the through hole 26, the sleeve 25 is fixed on the piston rod 22 after being in threaded fit with the threaded hole 27 through a locking screw. This kind of through sleeve and piston rod cup joint the cooperation, and support the mode of tightly fixing with locking screw, fixed knot constructs also comparatively stably, and installs and dismantle the convenience.

Specifically, the tube clamping mechanism 1 in this embodiment includes two clamping plates 12 arranged at an interval, and the two clamping plates 12 or one of the clamping plates 12 can be driven by a pushing mechanism to move horizontally and be positioned (the pushing mechanism may be an air cylinder mechanism, or may be a motor driving mechanism). In specific implementation, the two clamping plates 12 can be detachably mounted on the operating table of the belt cutting machine. The pipe to be cut is placed on one side of one clamping plate, then the other clamping plate is fixedly installed, and the pipe is clamped and fixed through the clamping plate.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions to the technical solutions of the present invention should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions.

Claims

1. The utility model provides a tubular product centre gripping hold-down mechanism of belt cutting machine, includes that the middle part has the tubular product fixture in centre gripping clearance, its characterized in that is equipped with at least one tubular product hold-down mechanism in tubular product fixture top, tubular product hold-down mechanism includes push cylinder and the tubular product of demountable installation on push cylinder's piston rod and compresses tightly the seat, has a appearance and size and waits to cut the compressing tightly groove that tubular product suited below tubular product compresses tightly the seat.

2. The pipe clamping and pressing mechanism of the belt cutting machine as claimed in claim 1, wherein the pipe pressing mechanism is disposed on a clamping gap of the pipe clamping mechanism or behind the pipe clamping mechanism.

3. The pipe clamp pressing mechanism of the belt cutter according to claim 1 or 2, wherein the pressing groove is arcuate or rectangular or wavy or trapezoidal.

4. The pipe clamping and pressing mechanism of the belt cutting machine as claimed in claim 3, wherein a flexible cushion layer is provided at the bottom of the pressing groove.

5. The pipe clamping and pressing mechanism of the belt cutting machine as claimed in claim 1, 2 or 4, wherein a sleeve is provided on the pipe pressing base, and the sleeve is in threaded connection with the piston rod of the pushing cylinder.

6. The pipe clamping and pressing mechanism of the belt cutting machine as claimed in claim 1, 2 or 4, wherein a sleeve is provided on the pipe pressing base, a through hole is provided on the sleeve, a threaded hole corresponding to the through hole is provided at the end of the piston rod of the pushing cylinder, the threaded hole is horizontally disposed, and the sleeve is fixed on the piston rod after passing through the through hole by a locking screw and being in threaded fit with the threaded hole.

7. The pipe clamping and pressing mechanism of the belt cutting machine as claimed in claim 1, 2 or 4, wherein the pipe clamping mechanism comprises two clamping plates arranged at intervals, and one or two of the clamping plates can be moved horizontally and positioned by a pushing mechanism.