CN221454803U - Welding fixture for press screen frame of hammer mill - Google Patents

Abstract

The utility model belongs to the technical field of hammer mills, and particularly relates to a welding fixture for a press screen frame of a hammer mill, which comprises a support plate, wherein first stop blocks are arranged at two ends of the support plate in the width direction and are positioned at two ends of the support plate and used for limiting the press screen frame forwards and backwards; the screen pressing frame is provided with a plurality of pressing strips, and the pressing strips are sequentially arranged along the width direction of the supporting plate; a plurality of positioning blocks are sequentially arranged on the supporting plate along the length direction of the supporting plate, and a plurality of positioning blocks are also sequentially arranged on the supporting plate along the width direction of the supporting plate; the locating block is provided with a limit groove, the corresponding pressing strip is inserted into the limit groove from the upper side, an inclined plane is arranged in the limit groove, a wedge block is arranged in the limit groove, and the wedge block is matched with the inclined plane to clamp the pressing strip. The welding fixture for the press screen frame is simple and reliable in structure, capable of effectively preventing the parts of the press screen frame from moving and deforming, convenient to process and manufacture, convenient to clamp the press screen frame and low in cost.

Description

Welding fixture for press screen frame of hammer mill

Technical Field

The utility model belongs to the technical field of hammer mills, and particularly relates to a welding fixture for a screen pressing frame for a hammer mill.

Background

The sieve plate of the hammer crusher is fixed in the crushing chamber through a sieve pressing frame, and the hammer crusher disclosed by the prior publication No. CN102049333A specifically discloses a crushing chamber formed by the sieve plate and the sieve pressing frame. The screen pressing frame is tightly attached to the arc-shaped screen plate to reliably fix the screen plate, so that the processing precision requirement on the screen pressing frame is higher. The existing press screen frame is a welding part, the press screen frame is found to have a certain radian in the positioning process of a welding tool through tracking the manufacturing process of the press screen frame, the positioning is troublesome, the positioning is inaccurate, the welding and overall manufacturing time is long, related parts are easy to shift and deform in the welding process, the press screen frame deforms and the overall size deviates, meanwhile, deviation exists among press screen frame units manufactured in batches, the press screen frame is difficult to install in the subsequent installation process, and the press screen frame is not tightly attached to a screen mesh.

Disclosure of utility model

The utility model provides a press screen frame welding tool for a hammer mill, which aims to solve the problems that the press screen frame in the prior art is complicated in positioning and easy to shift and deform.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the welding fixture for the press screen frame for the hammer mill comprises a supporting plate, wherein first stop blocks are arranged at two ends of the supporting plate in the width direction, and the first stop blocks at two ends of the supporting plate are used for limiting the press screen frame front and back;

The screen pressing frame is provided with a plurality of pressing strips, and the pressing strips are sequentially arranged along the width direction of the supporting plate;

A plurality of positioning blocks are sequentially arranged on the supporting plate along the length direction of the supporting plate, and a plurality of positioning blocks are also sequentially arranged on the supporting plate along the width direction of the supporting plate; the locating block is provided with a limiting groove, the corresponding pressing strip is inserted into the limiting groove from the upper side, an inclined plane is arranged in the limiting groove, a wedge block is arranged in the limiting groove, and the wedge block is matched with the inclined plane to clamp the pressing strip.

Preferably, the screen pressing frame is further provided with a plurality of reinforcing strips, and the reinforcing strips are sequentially arranged along the length direction of the supporting plate; and second stop blocks are arranged on two sides of at least one reinforcing strip along the length direction of the supporting plate. Strengthen the spacing of pressure screen frame in backup pad length direction, effectively prevent the drunkenness of pressure screen frame in backup pad length direction, further improve the positioning accuracy of pressure screen frame.

Preferably, the front end of the screen pressing frame is provided with an end plate, the rear end of the screen pressing frame is provided with a long steel pipe, and the first stop blocks positioned at the two ends of the supporting plate respectively prop against the end plate and the long steel pipe. The first stop block is simple to set and is simple and reliable to position.

Preferably, the inclined surface has an inclination angle ranging from 7 ° to 8 °. The wedge-shaped block can form better self-locking performance under the dead weight, and is guaranteed not to loosen.

Preferably, the welding tool further comprises a base, wherein the base is formed by welding a plurality of rectangular pipes, and the supporting plate is arranged on the base. The support structure of this welding frock is simplified in the setting of base, and bearing structure is reliable and stable, only need be to the backup pad finish machining, the manufacturing of this welding frock of being convenient for.

Further, the supporting plate is fixedly arranged on the base through a screw; the positioning block and the first stop block are fixedly arranged on the supporting plate through screws. The mounting structure of backup pad, locating piece and first dog is simple reliable, the installation operation of being convenient for.

Further, the locating block extends towards the supporting plate and is provided with a mounting portion, the mounting portion is inserted into the supporting plate, two sides of the locating block extend to form side lugs, and the screw is arranged on the side lugs. When the positioning block is installed, the installation part is inserted into the supporting plate to realize pre-installation, and then the side lugs are fixed through the screws, so that the integral installation of the positioning block is realized, and the convenient installation is realized.

The beneficial effects are that: according to the welding fixture for the press screen frame for the hammer mill, the first stop blocks at the two ends of the supporting plate limit the press screen frame front and back, the pressing strips of the press screen frame are inserted into the limit grooves from the upper side, the wedge-shaped blocks are inserted into the limit grooves and are matched with the inclined surfaces of the limit grooves to clamp and fix the pressing strips, the positioning blocks play a role in positioning and supporting, the part movement and deformation of the press screen frame are effectively prevented, the welding fixture for the press screen frame is simple and reliable in structure, convenient to process and manufacture, convenient to clamp the press screen frame, and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a press frame to be welded according to the present utility model;

FIG. 2 is a schematic perspective view of a welding tool for a press frame of a hammer mill;

FIG. 3 is a schematic side view of a press frame welding tool for a hammer mill of the present utility model;

FIG. 4 is a schematic diagram showing the cooperation of a positioning block and a wedge block of a press frame welding tool for a hammer mill;

FIG. 5 is a schematic perspective view of a base of the welding fixture of the press frame for the hammer mill;

In the figure: 1. the support plate, 2, the first stop dog, 3, the locating piece, 31, the spacing groove, 32, the inclined plane, 33, the installation department, 34, the side ear, 4, the wedge, 5, the second stop dog, 6, the base, 61, the rectangular pipe, 7, the backing plate, 8, press the screen frame, 81, compress tightly strip, 82, strengthen strip, 83, end plate, 84, long steel pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 5, a welding fixture for a press frame of a hammer mill comprises a support plate 1, wherein first stop blocks 2 are arranged at two ends of the support plate 1 in the width direction, and the first stop blocks 2 at two ends of the support plate 1 are used for limiting the press frame 8 forwards and backwards; the screen pressing frame 8 is provided with a plurality of pressing strips 81, and the plurality of pressing strips 81 are sequentially arranged along the width direction of the supporting plate 1; a plurality of positioning blocks 3 are sequentially arranged on the supporting plate 1 along the length direction of the supporting plate 1, and a plurality of positioning blocks 3 are also sequentially arranged on the supporting plate 1 along the width direction of the supporting plate; the positioning block 3 is provided with a limiting groove 31, the corresponding pressing strip 81 is inserted into the limiting groove 31 from the upper side, an inclined surface 32 is arranged in the limiting groove 31, a wedge block 4 is arranged in the limiting groove 31, the wedge block 4 is matched with the inclined surface 32 to clamp the pressing strip 81, and the inclined angle range of the inclined surface 32 in the embodiment is 7-8 degrees.

Specifically, in this embodiment, as shown in fig. 1 to 3, the front end of the press-screening frame 8 has an end plate 83, the rear end of the press-screening frame 8 has a long steel pipe 84, the first stop blocks 2 located at two ends of the support plate 1 respectively abut against the end plate 83 and the long steel pipe 84, in this embodiment, the support plate 1 is further provided with a base plate 7, the base plate 7 is located below the end plate 83 to match a certain angle of the end plate 83, and during clamping, the press-screening frame 8 is only required to be placed between the first stop blocks 2 located at two ends of the support plate 1, so that clamping of the press-screening frame 8 is facilitated; further, in the present embodiment, the screen frame 8 further has a plurality of reinforcing bars 82, and the plurality of reinforcing bars 82 are sequentially arranged along the length direction of the support plate 1; at least one reinforcing strip 82's both sides and be provided with second dog 5 along the length direction of backup pad 1, second dog 5's setting strengthens the spacing of press screen frame 8 in backup pad 1 length direction, effectively prevents press screen frame 8 in the length direction drunkenness of backup pad 1, further improves press screen frame 8's positioning accuracy.

In order to simplify the welding fixture, facilitate the processing and manufacturing of the welding fixture and ensure the stable and reliable supporting structure of the welding fixture, in this embodiment, as shown in fig. 2 to 5, the welding fixture further comprises a base 6, the base 6 is formed by welding a plurality of rectangular pipes 61, and the supporting plate 1 is arranged on the base 6; further, in the present embodiment, the support plate 1 is fixedly disposed on the base 6 by a screw; the positioning block 3 and the first stop block 2 are fixedly arranged on the supporting plate 1 through screws; further, in this embodiment, the positioning block 3 extends toward the support plate 1 and has a mounting portion 33, the mounting portion 33 is inserted into the support plate 1, side ears 34 extend from two sides of the positioning block 3, the screws are disposed on the side ears 34, and when the positioning block 3 is mounted, the mounting portion 33 is inserted into the support plate 1 to achieve pre-mounting, and then the side ears 34 are fixed by the screws.

The working principle is as follows:

firstly, according to the model of the press screen frame 8, a plurality of positioning blocks 3, a base plate 7, a first stop block 2 and a second stop block 5 are installed on a supporting plate 1, then an end plate 83 of the press screen frame 8 is placed on the base plate 7 and abuts against the corresponding first stop block 2, then a pressing strip 81 of the press screen frame 8 is placed on a corresponding limit groove 31, a reinforcing strip 82 and a long steel pipe 84 of the press screen frame 8 are installed on the pressing strip 81, at this time, the long steel pipe 84 abuts against the corresponding first stop block 2, two sides of at least one reinforcing strip 82 abut against the second stop block 5, and then a wedge block 4 is inserted into the limit groove 31 to fix the pressing strip 81, so that clamping of the press screen frame 8 on the welding tool is completed, as shown in fig. 2.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (7)

1. A press screen frame welding fixture for a hammer mill is characterized in that: the screening device comprises a supporting plate (1), wherein first stop blocks (2) are arranged at two ends of the supporting plate (1) in the width direction, and the first stop blocks (2) positioned at two ends of the supporting plate (1) are used for limiting the screen pressing frame (8) forwards and backwards;

The screen pressing frame (8) is provided with a plurality of pressing strips (81), and the pressing strips (81) are sequentially arranged along the width direction of the supporting plate (1);

A plurality of positioning blocks (3) are sequentially arranged on the supporting plate (1) along the length direction of the supporting plate, and a plurality of positioning blocks (3) are also sequentially arranged on the supporting plate (1) along the width direction of the supporting plate; the positioning block (3) is provided with a limiting groove (31), the corresponding pressing strip (81) is inserted into the limiting groove (31) from the upper side, an inclined surface (32) is arranged in the limiting groove (31), a wedge-shaped block (4) is arranged in the limiting groove (31), and the wedge-shaped block (4) is matched with the inclined surface (32) to clamp the pressing strip (81).

2. The press frame welding tool for a hammer mill according to claim 1, wherein: the screen pressing frame (8) is further provided with a plurality of reinforcing strips (82), and the reinforcing strips (82) are sequentially arranged along the length direction of the supporting plate (1); two sides of at least one reinforcing strip (82) are provided with second stop blocks (5) along the length direction of the supporting plate (1).

3. The press frame welding tool for a hammer mill according to claim 1, wherein: the front end of the screen pressing frame (8) is provided with an end plate (83), the rear end of the screen pressing frame (8) is provided with a long steel pipe (84), and the first stop blocks (2) positioned at the two ends of the supporting plate (1) respectively abut against the end plate (83) and the long steel pipe (84).

4. The press frame welding tool for a hammer mill according to any one of claims 1, 2 or 3, wherein: the inclined surface (32) has an inclination angle ranging from 7 DEG to 8 deg.

5. The press frame welding tool for a hammer mill according to any one of claims 1, 2 or 3, wherein: the welding tool further comprises a base (6), wherein the base (6) is formed by welding a plurality of rectangular pipes (61), and the supporting plate (1) is arranged on the base (6).

6. The welding fixture for a press screen frame for a hammer mill according to claim 5, wherein: the supporting plate (1) is fixedly arranged on the base (6) through screws; the positioning block (3) and the first stop block (2) are fixedly arranged on the supporting plate (1) through screws.

7. The welding fixture for a press frame for a hammer mill according to claim 6, wherein: the positioning block (3) extends towards the supporting plate (1) to form a mounting part (33), the mounting part (33) is inserted on the supporting plate (1), side lugs (34) are extended on two sides of the positioning block (3), and the screw is arranged on the side lugs (34).