CN218800587U

CN218800587U - Clamping mould for machining steel castings of excavator

Info

Publication number: CN218800587U
Application number: CN202223079980.8U
Authority: CN
Inventors: 肖富国; 徐东政; 李守明
Original assignee: Dalian Dongxing Industrial Machinery Co ltd
Current assignee: Dalian Dongxing Industrial Machinery Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-07
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses an excavator steel casting processing presss from both sides tight mould relates to machining mould technical field, including braced frame, braced frame's top distributes and has the square hole, and the below of steel casting is inserted in the square hole, and the place ahead both sides of steel casting are equipped with hold-down mechanism and spacing post, hold-down mechanism includes roating seat and pressure strip, the rear of steel casting is equipped with clamping mechanism and locking screw, clamping mechanism includes saddle board, slider, roller support, roller and sloping block, locking screw's top is equipped with clamp plate and lock nut. The utility model discloses a compressing tightly of design and pressing from both sides tight two structures, by original a plurality of points screw up fixedly, it is fixed that the reduction is screwing up of a point, and the clamping is efficient, easy operation, and the work piece only need alignment, clamping, saves repeated alignment time, improves machining efficiency, has reduced the arrangement risk that the part handling was relapseed, has certain commonality, is fit for the tight processing of clamp of different part sizes.

Description

Clamping mould for machining steel castings of excavator

Technical Field

The utility model relates to a machining mould technical field specifically is excavator cast steel spare processing presss from both sides tight mould.

Background

The bucket rod and the large arm of the excavator are rotatably connected through the wheel hub, the wheel hub is made of cast steel, when a cast steel piece is bored, a sizing block, a jack and the like are needed to adjust, then a universal pressing plate, a screw and a nut are used for clamping and fixing, a plurality of points are needed for fixing, the wheel hub is screwed down for a plurality of times, and the disassembly is also needed, so that a workpiece and a tool need to be adjusted for a plurality of times during each clamping, the method is a universal and traditional method for machining, the defects are that the auxiliary working time is long, the efficiency is low, the physical strength of an operator is wasted, if a plurality of workpieces are machined, products need to be loaded and unloaded for a plurality of times, each workpiece needs to be aligned and clamped again, the efficiency is low, the productivity is low, in order to meet the working period, the efficiency needs to be improved in each link, a clamping mould needs to be designed, the number of the locking nuts is large at present, the number of the locking nuts can be reduced, the clamping effect is not reduced, and the research is worth, so that technical personnel of our company propose a clamping mould for machining the clamping of the excavator steel piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator steel casting processing presss from both sides tight mould to the tight problem of raising the efficiency of clamp that provides in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: excavator steel casting processing presss from both sides tight mould, including braced frame, braced frame's top distributes and has the square hole, and the below of steel casting is inserted in the square hole, and the place ahead both sides of steel casting are equipped with hold-down mechanism and spacing post, hold-down mechanism includes roating seat and pressure strip, the rear of steel casting is equipped with clamping mechanism and locking screw, clamping mechanism includes saddle board, slider, roller support, roller and sloping block, locking screw's top is equipped with clamp plate and lock nut.

Further: the root of pressure strip is equipped with the rotary sleeve, and the rotary sleeve is installed on roating seat (U type fork structure through the round pin axle, and there is the screw rod to pass through the nut below to be fixed on braced frame, and the position is changed to the detachable), the below of pressure strip is equipped with the bow-shaped board, the top of pressure strip is equipped with the strengthening rib, hold-down mechanism symmetrical arrangement is in the place ahead of cast steel spare.

Further: the roller shaft supporting device is characterized in that the sliding seat plate is fixed on the upper surface of the supporting frame, a sliding groove is formed in the sliding seat plate, a sliding block is installed in the sliding groove, the roller shaft support is fixed above the sliding block, the roller shaft is installed behind the roller shaft support, the locking screw penetrates through the upper portion and the lower portion of the inclined block, and the inclined plane of the inclined block is attached to the surface of the roller shaft.

Preferably: the sliding grooves in the sliding seat plate are T-shaped sliding grooves, the corresponding sliding blocks are also T-shaped, guide holes are formed in two sides of the inclined block, guide pillars penetrate through the guide holes, the lower ends of the guide pillars are fixed on the supporting frame, and buffer springs are sleeved on the locking screw rods below the inclined block.

Preferably: the sliding blocks are symmetrically distributed on the sliding seat plate, and the head of each sliding block is provided with a tightly-pushing column.

Preferably: the clamp plate includes the clamp plate main part, the middle part of clamp plate main part is equipped with the notch, the bottom symmetry of clamp plate main part is equipped with the sand grip, and the sand grip splayed is for the strengthening rib of restriction pressure strip.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a compressing tightly of design and pressing from both sides tight two structures, by original a plurality of points screw up fixedly, it is fixed to reduce to screw up of a point, and the clamping is efficient, easy operation, and the work piece only need alignment, clamping once, saves repetition alignment time, improves machining efficiency, has reduced the arrangement risk of part handling repeatedly, has certain commonality, the tight processing of clamp that is fit for different part sizes.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A schematic sectional view A-A;

FIG. 4 is an enlarged view of B;

FIG. 5 is a state diagram of the present invention;

FIG. 6 is an enlarged view at C;

FIG. 7 is a schematic structural view of a steel casting.

In the figure: 1. braced frame, 2, hold-down mechanism, 3, clamping mechanism, 4, spacing post, 5, locking screw, 6, clamp plate, 7, lock nut, 8, steel casting, 201, roating seat, 202, pressure strip, 203, bow-shaped board, 204, strengthening rib, 205, swivel housing, 301, slide plate board, 302, slider, 303, roller support frame, 304, roller, 305, sloping block, 306, buffer spring, 307, puller post, 308, guide pillar, 601, clamp plate main part, 602, notch, 603, sand grip.

Detailed Description

The present invention will be described below based on embodiments with reference to the attached drawings in the embodiments of the present invention, but it should be noted that the present invention is not limited to these embodiments, and some specific details are described in detail below in the detailed description of the present invention, however, those skilled in the art can fully understand the present invention for the parts not described in detail.

Furthermore, those skilled in the art will appreciate that the drawings are provided for purposes of illustrating the objects, features, and advantages of the invention and are not necessarily to scale.

Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".

Referring to fig. 1-7, the present invention provides a technical solution: including braced frame 1, braced frame 1's top distributes and has the square hole, and insert in the square hole its characterized in that the below of cast steel 8: the front two sides of the steel casting 8 are provided with a pressing mechanism 2 and a limiting column 4, the pressing mechanism 2 comprises a rotating seat 201 and a pressing plate 202, the rear of the steel casting 8 is provided with a clamping mechanism 3 and a locking screw 5, the clamping mechanism 3 comprises a sliding seat plate 301, a sliding block 302, a roller shaft support 303, a roller shaft 304 and an inclined block 305, and a pressing plate 6 and a locking nut 7 are arranged above the locking screw 5.

The root of the pressure strip 202 is provided with a rotating sleeve 205, the rotating sleeve 205 is mounted on the rotating base 201 through a pin shaft, an arch-shaped strip 203 is arranged below the pressure strip 202, reinforcing ribs 204 are arranged above the pressure strip 202, and the pressure mechanisms 2 are symmetrically arranged in front of the steel casting 8.

The slide plate 301 is fixed on the upper surface of the supporting frame 1, a sliding groove is formed in the slide plate 301, the sliding block 302 is installed in the sliding groove, the roller shaft support 303 is fixed above the sliding block 302, the roller shaft 304 is installed behind the roller shaft support 303, the locking screw 5 penetrates through the upper side and the lower side of the inclined block 305, and the inclined surface of the inclined block 305 is attached to the surface of the roller shaft 304.

The slide way on the slide seat plate 301 is a T-shaped slide way, the corresponding slide block 302 is also T-shaped, guide holes are arranged on two sides of the inclined block 305, guide posts 308 penetrate through the guide holes, the lower ends of the guide posts 308 are fixed on the support frame 1, and a buffer spring 306 is sleeved on the locking screw 5 below the inclined block 305.

The sliding blocks 302 are symmetrically distributed on the sliding seat plate 301, and the head of each sliding block 302 is provided with a tightening column 307.

The pressing plate 6 comprises a pressing plate main body 601, a notch 602 is arranged in the middle of the pressing plate main body 601, and convex strips 603 are symmetrically arranged at the bottom of the pressing plate main body 601.

The joining of the various components is performed by known prior art techniques including, but not limited to, welding, screwing, sliding connections, and the like.

The utility model discloses can go up a plurality of cast steel 8 of clamping at braced frame 1, then process in batches, clamping, dismantlement are very convenient simple, and concrete operation is as follows:

firstly, as shown in fig. 5, the pressing mechanism 2 at the lower left is in an open state, the steel casting 8 is hung into the square hole of the support frame 1 by a hanger, as shown in the other steel casting 8 in fig. 5, then the upper side of the steel casting 8 is abutted against the limit post 4, then the pressing plate 202 is "closed", the lower surface of the end head of the pressing plate 202 is abutted against the upper side of the inclined block 305, the lower surface of the arched plate 203 is abutted against the upper surfaces of both sides of the steel casting 8, as shown in the pressing plate 6 in fig. 5, the notch 602 is outward, the protruding strip 603 corresponds to the outer part of the reinforcing rib 204, then the locking nut 7 is screwed by a tool, at this time, the inclined surface of the inclined block 305 is matched with the roller shaft 304, the vertical force is converted into the horizontal force, the clamping force is applied to the rear side of the steel casting 8 by the sliding block 302 and the abutting post 307, the pressure is applied to the arched plate 203 below the pressing plate 202 above the steel casting 8, and the locking nut 7 reaches the predetermined value by a torque wrench, so that the multi-point screwing is realized, the screwing is fast and the screwing is highly efficient.

Although embodiments of this patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this patent, and all insubstantial creations made based on this embodiment are to be considered legally protected against tampering or hacking of this patent.

Claims

1. Excavator steel casting processing presss from both sides tight mould, including braced frame (1), the top distribution of braced frame (1) has the square hole, and the below of steel casting (8) is inserted in the square hole, its characterized in that: the utility model provides a steel casting (8) is characterized in that the place ahead both sides of steel casting (8) are equipped with hold-down mechanism (2) and spacing post (4), hold-down mechanism (2) include roating seat (201) and pressure strip (202), the rear of steel casting (8) is equipped with clamping mechanism (3) and locking screw (5), clamping mechanism (3) include slide plate (301), slider (302), roller support (303), roller (304) and sloping block (305), the top of locking screw (5) is equipped with clamp plate (6) and lock nut (7).

2. The clamping fixture for machining the steel castings of the excavator according to claim 1, wherein: the root of pressure strip (202) is equipped with swivel sleeve (205), and swivel sleeve (205) are installed on roating seat (201) through the round pin axle, the below of pressure strip (202) is equipped with bow-shaped board (203), the top of pressure strip (202) is equipped with strengthening rib (204), hold-down mechanism (2) symmetrical arrangement is in the place ahead of steel casting (8).

3. The clamping fixture for machining the steel castings of the excavator according to claim 1, wherein: the upper surface at braced frame (1) is fixed in slide plate (301), be equipped with the spout on slide plate (301), slider (302) are installed in the spout, the top at slider (302) is fixed in roller support (303), the rear at roller support (303) is installed in roller support (304), locking screw (5) run through the upper and lower side of sloping block (305), the inclined plane and the roller (304) surface laminating of sloping block (305).

4. The clamping fixture for machining the steel castings of the excavator according to claim 1, wherein: the slide way on the slide seat plate (301) is a T-shaped slide way, the corresponding slide block (302) is also T-shaped, guide holes are formed in two sides of the inclined block (305), guide posts (308) penetrate through the guide holes, the lower ends of the guide posts (308) are fixed on the supporting frame (1), and buffer springs (306) are sleeved on the locking screw (5) below the inclined block (305).

5. The clamping fixture for machining the steel castings of the excavator according to claim 1, wherein: the sliding blocks (302) are symmetrically distributed on the sliding seat plate (301), and the head parts of the sliding blocks (302) are provided with tightening columns (307).

6. The clamping fixture for machining the steel castings of the excavator according to claim 1, wherein: the pressing plate (6) comprises a pressing plate main body (601), a notch (602) is formed in the middle of the pressing plate main body (601), and convex strips (603) are symmetrically arranged at the bottom of the pressing plate main body (601).