CN221312226U

CN221312226U - Steel band feeding stop device of steel pipe shaping

Info

Publication number: CN221312226U
Application number: CN202323047853.4U
Authority: CN
Inventors: 胡肖建; 黄运详; 陈碧祺
Original assignee: Foshan Longchong Metal Products Co ltd
Current assignee: Foshan Longchong Metal Products Co ltd
Filing date: 2023-11-10
Publication date: 2024-07-12
Anticipated expiration: 2033-11-10

Abstract

The utility model relates to the technical field of steel tube forming equipment, in particular to a steel tube forming steel belt feeding limiting device which comprises a fixed seat, a screw rod and a limiting mechanism, wherein the screw rod is rotatably arranged on the fixed seat; the limiting mechanism comprises a mounting block, a front limiting assembly and a rear limiting assembly, wherein the front limiting assembly and the rear limiting assembly are arranged at the top of the mounting block, and the mounting block is in threaded fit with the screw rod; the base is provided with an upper pressing plate and a lower pressing plate, the upper pressing plate is positioned at the upper parts of the two front limiting assemblies, and the lower pressing plate is positioned at the lower parts of the front limiting assemblies and the rear limiting assemblies; the upper pressing plate and the lower pressing plate are parallel to each other, and a gap for the steel belt to pass through is arranged between the upper pressing plate and the lower pressing plate. The front and back limiting assemblies and the upper and lower pressing plates are adopted to guide and limit the feeding of the steel belt, so that continuous straight feeding is ensured, the deformation of the steel belt is prevented, and the production efficiency and the product yield are improved.

Description

Steel band feeding stop device of steel pipe shaping

Technical Field

The utility model relates to the technical field of steel tube forming equipment, in particular to a steel band feeding limiting device for steel tube forming.

Background

When the steel belt is used for forming the steel pipe, the steel belt is fed into a forming module and is extruded and deformed into the steel pipe through a plurality of groups of forming rollers. The steel pipe forming is a continuous process, namely, steel belt continuous feeding and forming die continuous discharging, and long and straight steel pipes are obtained. This requires continuous and steady rate of steel strip feed, and therefore, requires limiting and guiding of the steel strip feed. The existing steel belt feeding guiding device limits two sides of a steel belt by rollers which are oppositely arranged, limiting grooves are formed in the peripheral surfaces of the rollers, two side edges of the steel belt are located in the limiting grooves, and the limiting guiding influences the product yield and the production efficiency as follows:

1. The limiting groove depth of the roller is small, the steel belt has a larger width, and only the two side edges of the steel belt are limited. If the steel belt is deviated and skewed, the steel belt is easy to be blocked and distorted;

2. The existing steel belt feeding guide device is usually limited by a pair of rollers, and the steel belt is in electrical contact with the peripheral wall of the rollers, so that point limitation is formed only on the side part of the steel belt, and the steel belt is difficult to keep flat feeding.

Disclosure of utility model

The utility model aims to provide a steel strip feeding limiting device for steel tube forming, which guides and limits steel strip feeding by adopting a front limiting component, a rear limiting component, an upper pressing plate and a lower pressing plate, ensures continuous straight feeding, prevents steel strip deformation and improves production efficiency and product yield.

To achieve the purpose, the utility model adopts the following technical scheme:

The steel strip feeding limiting device for steel tube forming comprises a fixed seat, a screw rod and limiting mechanisms, wherein the screw rod is rotatably arranged on the fixed seat, two groups of limiting mechanisms are respectively arranged on a forward thread section and a reverse thread section of the screw rod, and the spacing between the two groups of limiting mechanisms is a limiting spacing;

The limiting mechanism comprises a mounting block, a front limiting assembly and a rear limiting assembly, wherein the front limiting assembly and the rear limiting assembly are arranged at the top of the mounting block, and the mounting block is in threaded fit with the screw rod;

The fixing seat is provided with an upper pressing plate and a lower pressing plate, the upper pressing plate is positioned at the upper parts of the two front limiting assemblies, and the lower pressing plate is positioned at the lower parts of the front limiting assemblies and the rear limiting assemblies;

The upper pressing plate and the lower pressing plate are parallel to each other, and a gap for the steel belt to pass through is formed between the upper pressing plate and the lower pressing plate.

Further, the front limiting assembly and the rear limiting assembly comprise a vertical shaft and a limiting bearing, the limiting bearing is arranged on the vertical shaft, the vertical shaft is fixedly arranged on the mounting block, and the limiting bearings of the front limiting assembly and the rear limiting assembly are opposite to each other;

The limiting bearing of the front limiting assembly is located between the upper pressing plate and the lower pressing plate, and the limiting bearing of the rear limiting assembly is located outside a gap between the upper pressing plate and the lower pressing plate.

Further, the outer peripheral surface of the bearing is a smooth surface.

Further, the vertical shaft sleeve is provided with a vertical shaft spacer bush and a vertical shaft nut, the bottom of the vertical shaft is provided with a limit table, the vertical shaft nut is matched with the threads of the vertical shaft, and the vertical shaft nut is used for positioning the limit bearing between the limit table and the vertical shaft spacer bush.

Further, the upper pressing plate and the lower pressing plate are respectively provided with a yielding through hole for the vertical shaft to penetrate.

Further, a plurality of wear-resistant plates are respectively arranged at the corresponding positions of the upper pressing plate and the lower pressing plate;

The wear-resisting plate spans the upper pressing plate or the lower pressing plate, and the surface of the wear-resisting plate protrudes out of the upper pressing plate or the lower pressing plate.

Further, the fixing seat is provided with two guide rods which are symmetrically arranged, and the mounting block is in sliding fit with the guide rods;

the front limiting component and the rear limiting component respectively correspond to one guide rod.

Further, one end of the screw rod extending out of the fixing seat is an operation end, one end of the fixing seat is provided with a positioning shaft sleeve, the operation end of the screw rod penetrates through the positioning shaft sleeve, and support bearings are respectively arranged between two ends of the positioning shaft sleeve and the screw rod.

The technical scheme provided by the utility model can comprise the following beneficial effects:

according to the steel strip feeding limiting device for steel tube forming, two groups of front limiting assemblies and two groups of rear limiting assemblies are used for linearly limiting two sides of a steel strip, so that the steel strip can be fed in a flat mode, and meanwhile, the upper pressing plate and the lower pressing plate are used for limiting the top surface and the bottom surface of the steel strip, and the steel strip is prevented from being distorted. The two groups of limiting mechanisms and the two pressing plates form a limiting guide space of the steel belt, the steel belt is limited in four directions, and the production efficiency and the product yield are improved.

Drawings

FIG. 1 is a schematic view of a steel strip feed limiter for forming a steel pipe according to an embodiment of the present utility model;

the apparatus of fig. 1 is a cross-sectional view of the apparatus of fig. 2 taken along the direction of feed of the steel strip;

FIG. 3 is a cross-sectional view of the device of FIG. 1 taken along the axial direction of the lead screw;

Wherein, the fixing seat 1 and the guide rod 11; the screw rod 2, the positioning shaft sleeve 21 and the support bearing 22; mounting block 31, front limit component 32, rear limit component 33, vertical shaft 301, limit bearing 302, vertical shaft spacer 303 and vertical shaft nut 304; the upper and lower pressing plates 41, 42 are provided with through holes 401 and wear plates 402.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A steel strip feeding limiting device for steel pipe forming according to an embodiment of the present utility model will be described with reference to fig. 1 to 3.

The steel belt feeding limiting device for steel pipe forming comprises a fixed seat 1, a screw rod 2 and limiting mechanisms, wherein the screw rod 2 is rotatably arranged on the fixed seat 1, two groups of limiting mechanisms are respectively arranged on a forward thread section and a reverse thread section of the screw rod 2, and the spacing between the two groups of limiting mechanisms is a limiting spacing;

the limiting mechanism comprises a mounting block 31, a front limiting assembly 32 and a rear limiting assembly 33, wherein the front limiting assembly 32 and the rear limiting assembly 33 are arranged at the top of the mounting block 31, and the mounting block 31 is in threaded fit with the screw rod 2;

The base is provided with an upper pressing plate 41 and a lower pressing plate 42, the upper pressing plate 41 is positioned at the upper parts of the two front limiting assemblies 32, and the lower pressing plate 42 is positioned at the lower parts of the front limiting assemblies 32 and the rear limiting assemblies 33;

the upper platen 41 and the lower platen 42 are parallel to each other, and a gap for passing the steel strip is provided between the upper platen 41 and the lower platen 42.

The utility model provides a steel strip feeding limiting device for steel tube forming, wherein two groups of front limiting assemblies 32 and two groups of rear limiting assemblies 33 are used for linearly limiting two sides of a steel strip, so that the steel strip can be fed in a flat mode, and meanwhile, an upper pressing plate 41 and a lower pressing plate 42 are used for limiting the top surface and the bottom surface of the steel strip in a surface mode, and the steel strip is prevented from being distorted and deformed. The two groups of limiting mechanisms and the two pressing plates form a limiting guide space of the steel belt, the steel belt is limited in four directions, and the production efficiency and the product yield are improved.

Specifically, the upper pressing plate 41 and the lower pressing plate 42 are arranged in parallel, and the gap heights between the upper pressing plate 41 and the lower pressing plate are consistent, so that the gap height between the upper pressing plate 41 and the lower pressing plate is slightly larger than the thickness of the steel belt in the actual production process, smooth feeding of the steel belt can be ensured, and torsion of the steel belt can be prevented to ensure straight feeding. Further specifically, both ends of the upper platen 41 and the lower platen 42 are fixedly connected with the fixing base with screws, respectively.

It can be understood that the two groups of limiting mechanisms are respectively arranged on the forward thread section and the reverse thread section of the screw rod 2, and when the screw rod 2 is rotated, the two groups of limiting mechanisms move in opposite directions at the same time, so that the spacing distance between the two groups of limiting mechanisms keeps the alignment relation with the forming module, and the difficulty in adjusting the spacing distance is low. The front limit assembly 32 and the rear limit assembly 33 refer to the upstream side of the steel strip feed and the downstream side of the steel strip feed.

Further, the front limiting assembly 32 and the rear limiting assembly 33 both comprise a vertical shaft 301 and a limiting bearing 302, the limiting bearing 302 is mounted on the vertical shaft 301, the vertical shaft 301 is fixedly arranged on the mounting block 31, and the limiting bearings 302 of the front limiting assembly 32 and the rear limiting assembly 33 are arranged opposite to each other; the limit bearing 302 of the front limit assembly 32 is located between the upper platen 41 and the lower platen 42, and the limit bearing 302 of the rear limit assembly 33 is located outside the gap between the upper platen 41 and the lower platen 42.

In a preferred embodiment of the present utility model, the side edge of the steel strip is limited by the bearings, and the front and rear limiting bearings 302 complete the line positioning of the side edge of the steel strip, so that the high-precision positioning is realized based on the better rigidity of the bearings. Preferably, the outer peripheral surface of the bearing is a smooth surface, the side edge of the steel belt is positioned by the smooth surface, and a limit groove at the outer periphery of the existing roller is abandoned, so that the clamping phenomenon can be prevented to a great extent. In addition, the limit bearing 302 of the rear limit assembly 33 is located outside the gap between the upper pressure plate 41 and the lower pressure plate 42, so that the limit guiding condition of the rear limit assembly 33 on the steel belt can be conveniently observed.

To simplify the installation structure of the limit bearing 302 and to cooperate with the upper platen 41 and the lower platen 42, further, in a preferred embodiment of the present utility model, the vertical shaft 301 is sleeved with a vertical shaft spacer 303 and a vertical shaft nut 304, the bottom of the vertical shaft 301 is provided with a limit table, the vertical shaft nut 304 cooperates with the threads of the vertical shaft 301, and the vertical shaft nut 304 is used to position the limit bearing 302 between the limit table and the vertical shaft spacer 303. The vertical shaft spacer 303 is arranged to form an installation space of the limiting bearing 302 by being matched with the limiting table on one hand, and on the other hand, a yielding space is provided for the installation of the upper pressing plate 41 based on the length of the vertical shaft spacer 303. Specifically, a yielding distance is reserved between the upright post limiting table and the fixed seat 1, the lower pressing plate 42 is positioned between the limiting bearing 302 and the base, and the position of the upper pressing plate 41 corresponds to the vertical shaft spacer 303, so that the mounting mechanisms of the limiting bearing 302 and the upper pressing plate and the lower pressing plate are more reasonable.

Preferably, the upper pressing plate 41 and the lower pressing plate 42 are respectively provided with a yielding through hole 401 for the vertical shaft 301 to penetrate. Based on the both ends and unable adjustment base connection of top board 41 and holding down plate 42, and two stop gear's position is adjustable and the stand has the increase height, offers the hole of stepping down at two clamp plates and then has made things convenient for the installation of stand and spacing's regulation. Specifically, the relief through hole 401 is a long-strip-shaped hole, and the length direction of the relief through hole 401 is consistent with the moving direction of the limiting mechanism.

Further, a plurality of wear plates 402 are respectively arranged at the corresponding positions of the upper pressing plate 41 and the lower pressing plate 42; the wear plate 402 spans the upper platen 41 or the lower platen 42, and the surface of the wear plate 402 protrudes from the upper platen 41 or the lower platen 42.

In a preferred embodiment of the present utility model, a plurality of wear plates 402 are disposed at corresponding positions of the two pressing plates, respectively, that is, a plurality of wear plates 402 are disposed on the limit guiding surfaces of the two pressing plates. The upper pressing plate 41 and the lower pressing plate 42 are made of metal plates with good rigidity, scratches are easily generated on the surfaces of the steel belts due to friction between the metal plates and the steel belts, the product yield is affected, and the problem can be well solved by arranging the wear-resistant plates 402 with the surfaces protruding out of the upper pressing plate 41 or the lower pressing plate 42. It is further preferred that the wear plate 402 is detachably mounted to the upper and lower press plates 41 and 42 by countersunk screws to facilitate replacement after wear. Illustratively, the wear plate 402 is a PVC plate or PVC rubber composite plate.

Further, the fixing seat 1 is provided with two guide rods 11 which are symmetrically arranged, and the mounting block 31 is in sliding fit with the guide rods 11; the front limit component 32 and the rear limit component 33 respectively correspond to the positions of a guide rod 11.

In a preferred embodiment of the present utility model, the two guide rods 11 corresponding to the front limit component 32 and the rear limit component 33 are used for guiding the mounting block 31, so that when the distance between the two sets of limit mechanisms is adjusted, the mounting block 31 is ensured to move linearly and not to be askew, and the two sets of limit mechanisms are kept parallel, so that the line limit effect of the front limit component 33 and the rear limit component 33 on the side edge of the steel belt is ensured.

Further, one end of the screw rod 2 extending out of the fixing seat 1 is an operation end, one end of the fixing seat 1 is provided with a positioning shaft sleeve 21, the operation end of the screw rod 2 penetrates through the positioning shaft sleeve 21, and support bearings 22 are respectively arranged between two ends of the positioning shaft sleeve 21 and the screw rod 2.

The screw rod 2 is rotated to realize the adjustment of the distance between two more limiting mechanisms, therefore, one end of the screw rod 2 is an operation end, and the motor can be adopted to drive the operation end of the screw rod 2 or the handle can be used for manually rotating the operation end of the screw rod 2, so that the moment born by the operation end of the screw rod 2 is larger.

Other configurations and the like and operations of a steel strip feed limiter for steel pipe forming according to embodiments of the present utility model are known to those skilled in the art and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The steel strip feeding limiting device for steel tube forming is characterized by comprising a fixed seat, a screw rod and a limiting mechanism, wherein the screw rod is rotatably arranged on the fixed seat, two groups of limiting mechanisms are respectively arranged on a forward thread section and a reverse thread section of the screw rod, and the spacing between the two groups of limiting mechanisms is a limiting spacing;

2. The steel pipe formed steel strip feeding limiting device according to claim 1, wherein the front limiting assembly and the rear limiting assembly comprise a vertical shaft and a limiting bearing, the limiting bearing is mounted on the vertical shaft, the vertical shaft is fixedly arranged on the mounting block, and the limiting bearings of the front limiting assembly and the rear limiting assembly are opposite to each other;

3. The steel tube formed steel strip feed limiter of claim 2, wherein the outer peripheral surface of the bearing is smooth.

4. The steel pipe formed steel strip feeding limiting device according to claim 2, wherein the vertical shaft sleeve is provided with a vertical shaft spacer bush and a vertical shaft nut, a limiting table is arranged at the bottom of the vertical shaft, the vertical shaft nut is matched with threads of the vertical shaft, and the vertical shaft nut is used for positioning the limiting bearing between the limiting table and the vertical shaft spacer bush.

5. The steel strip feed limiter of claim 2, wherein the upper and lower platens are each provided with a relief aperture through which the vertical shaft extends.

6. The steel pipe-shaped steel strip feeding limiting device according to claim 1, wherein a plurality of wear plates are respectively arranged at corresponding positions of the upper pressing plate and the lower pressing plate;

7. The steel pipe forming steel strip feeding limiting device according to claim 1, wherein the fixing seat is provided with two guide rods which are symmetrically arranged, and the mounting block is in sliding fit with the guide rods;

8. The steel pipe formed steel strip feeding limiting device according to claim 1, wherein one end of the screw rod extending out of the fixing seat is an operation end, one end of the fixing seat is provided with a positioning shaft sleeve, the operation end of the screw rod penetrates through the positioning shaft sleeve, and supporting bearings are respectively arranged between two ends of the positioning shaft sleeve and the screw rod.