CN221133957U

CN221133957U - Sand core and sand shell combined auxiliary device for hydraulic valve body production

Info

Publication number: CN221133957U
Application number: CN202322671969.9U
Authority: CN
Inventors: 姜洪; 张建成
Original assignee: Zhejiang Shengbang Precision Industry Co ltd
Current assignee: Zhejiang Shengbang Precision Industry Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-06-14
Anticipated expiration: 2033-10-07

Abstract

The utility model discloses a sand core and sand shell combined auxiliary device for producing a hydraulic valve body, and aims to solve the problems that a worker is required to repeatedly take and put sand cores uninterruptedly in the traditional manual shell assembly process, the labor intensity of the worker is high, and errors are easy to occur in the manual shell assembly process. According to the utility model, the universal roller wheels and the plurality of sliding plates are arranged on the mounting frame, a user can place the sand cores through the sliding plates, then the mounting frame is moved through the universal roller wheels, so that the sand cores are more convenient to carry, the position of the lower die sand shell is calibrated by arranging the calibrating mechanism on the mounting frame, the sand cores are clamped and automatically placed into the inner cavity of the lower die sand shell by arranging the lifting mechanism and the driving mechanism, the sand cores are not required to be repeatedly taken and placed by workers, the combination precision of the sand shells and the sand cores can be ensured, and the sand cores can be simultaneously placed, so that the working efficiency is improved.

Description

Sand core and sand shell combined auxiliary device for hydraulic valve body production

Technical Field

The utility model relates to the field of casting, in particular to a sand core and sand shell combined auxiliary device for producing a hydraulic valve body.

Background

A hydraulic valve is a device for controlling hydraulic flow, pressure, direction, etc. parameters in a hydraulic system. Hydraulic valves typically consist of a valve body, a spool, a spring, a seal, and the like. The working principle of the hydraulic valve is that parameters such as hydraulic flow, pressure and direction in a hydraulic system are changed by controlling the movement of a valve core. The valve body of the hydraulic valve is an important component part of the hydraulic valve, is usually cast by cast iron, cast steel, aluminum alloy and other materials, and has the characteristics of high strength, corrosion resistance, wear resistance and the like.

The casting process of the hydraulic valve body is generally molding, shell assembling, casting and post-treatment. The mould making is that the sand shell and the sand core are made respectively through the mould, the sand shell is divided into an upper mould sand shell and a lower mould sand shell, a cavity in the shape of a valve body is reserved in the sand shell, the sand core is put into a specific position in the cavity of the sand shell, then the upper mould sand shell and the lower mould sand shell are combined together to form a complete sand mould, and in order to increase the casting efficiency, casting of a plurality of products is usually carried out simultaneously in one sand mould.

In order to prevent the high temperature of casting from influencing production equipment, the common casting site and the molding site are separated, the sand cores and the sand shells are required to be dried, hardened, coated and other procedures after being molded, the sand cores and the sand shells are conveyed to the shell assembling site to be assembled after being processed, the existing shell assembling is mostly a manual shell assembling, workers need to take and place the sand cores continuously and repeatedly, and because the sand cores have certain weight, the labor intensity of the workers is high, the combination precision of the sand cores and the sand shells is influenced by the operation proficiency of the workers, errors are easy to occur in manual shell assembling, and the product quality is influenced to a certain extent.

Based on the above, the utility model aims to provide the sand core and sand shell combined auxiliary device for producing the hydraulic valve body, so as to solve the problems that the traditional manual shell assembly requires continuous repeated taking and placing of sand cores by workers, the labor intensity of the workers is high, and errors are easy to occur in the manual shell assembly.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the sand core and sand shell combined auxiliary device for producing the hydraulic valve body.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a sand core sand shell combination auxiliary device for hydraulic valve body production, includes the mounting bracket, it is connected with a plurality of universal gyro wheels to rotate on the mounting bracket, be equipped with elevating system that elevating platform and drive elevating platform go on going up and down on the mounting bracket, be equipped with the clamping jaw that sets up a plurality of scales on the elevating platform, be equipped with the actuating mechanism that drives a plurality of clamping jaws and remove on the elevating platform, be equipped with a plurality of feeding modules on the mounting bracket, feeding module includes the slide rail of symmetry setting in the mounting bracket both sides, both sides sliding connection has the slide between the slide rail, be equipped with the stop gear that carries out spacing to the slide and carry out the calibrating mechanism of position calibration on the mounting bracket.

Through adopting above-mentioned technical scheme, when needing to carry out the hydraulic valve body group shell, the workman can carry the sand shell of processing to the equipment place and neatly separate the range on ground with it, the user again places the sand core of processing on a plurality of slide respectively, then promote the mounting bracket to the equipment place, promote the mounting bracket again and be close to a lower mould sand shell, until making the lower mould sand shell be located the mounting bracket, then the user calibrates the position of lower mould sand shell through calibrating mechanism, promote two slide of same height again and remove directly over the lower mould sand shell, then descend through elevating system drive elevating platform, until the elevating platform drives a plurality of clamping jaws and inserts in the gap in the sand core, and then drive both sides clamping jaw inwards gathers together, and then draw out the slide to both sides, the rethread elevating system drives both sides sand core and descends, until placing the sand core in the sand shell, then make the clamping jaw loosen the sand core through actuating mechanism, then make elevating platform rise, can carry out the group shell operation of next sand mould.

The utility model is further provided with: the lifting mechanism comprises an electric push rod I, the extending end of the electric push rod I is fixedly connected with a lifting table, a plurality of limit rods with one ends fixedly connected with the lifting table are arranged on the lifting table, and the other ends of the limit rods are in sliding connection with the mounting frame.

The utility model is further provided with: the driving mechanism comprises a motor arranged on the lifting platform, a bidirectional screw rod with one end fixedly connected with the output shaft of the motor is arranged on the output shaft of the motor, the other end of the bidirectional screw rod is rotationally connected with the lifting platform, sliding seats are connected to left-handed thread sections and right-handed thread sections of the bidirectional screw in a threaded manner, and the sliding seats are respectively fixedly connected with a plurality of clamping jaws on two sides.

The utility model is further provided with: the lifting table is fixedly connected with more than one guide rod, and the sliding seats on two sides are both in sliding connection with the guide rods.

The utility model is further provided with: the limiting mechanism comprises a plurality of baffle pipes fixed on the mounting frame, a plurality of baffle rods are connected with the front side and the rear side of the sliding plate in a threaded mode, and a plurality of threaded holes used for being connected with the baffle rods are formed in the sliding plate.

The utility model is further provided with: the sliding plates are detachably connected with positioning frames, a plurality of inserting rods are fixedly connected to the positioning frames, and a plurality of inserting slots for inserting the inserting rods are formed in the sliding plates.

The utility model is further provided with: the calibrating mechanism comprises a bottom plate fixedly connected with a mounting frame, mounting plates are fixedly connected to two sides of the mounting frame, electric pushing rods II are arranged on the mounting plates, clamping plates are fixedly connected to output ends of the electric pushing rods II, one ends of the clamping plates are fixedly connected with calibrating rods, and the other ends of the calibrating rods are slidably connected with the mounting plates.

In summary, the utility model has the following beneficial effects:

According to the utility model, the universal roller wheels and the plurality of sliding plates are arranged on the mounting frame, a user can place the sand cores through the sliding plates, then the mounting frame is moved through the universal roller wheels, so that the sand cores are more convenient to carry, the position of the lower die sand shell is calibrated by arranging the calibrating mechanism on the mounting frame, the sand cores are clamped and automatically placed into the inner cavity of the lower die sand shell by arranging the lifting mechanism and the driving mechanism, the sand cores are not required to be repeatedly taken and placed by workers, the combination precision of the sand shells and the sand cores can be ensured, and the sand cores can be simultaneously placed, so that the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the present utility model showing the overall structure of an auxiliary device;

FIG. 2 is a second schematic structural view of the present utility model, showing the positional relationship of the bi-directional screw, the slide and the clamping jaw;

fig. 3 is a schematic structural view of the present utility model, showing the positional relationship among the slide rail, the slide plate and the positioning frame.

In the figure: 3. a mounting frame; 4. a universal roller; 5. a lifting table; 6. a clamping jaw; 7. a slide rail; 8. a slide plate; 10. an electric push rod I; 11. a limit rod; 12. a motor; 13. a two-way screw rod; 14. a slide; 15. a guide rod; 16. a baffle tube; 17. a stop lever; 18. a positioning frame; 19. a rod; 20. a slot; 21. an electric push rod II; 22. a mounting plate; 23. a clamping plate; 24. a calibration rod; 25. a bottom plate.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be described in further detail with reference to the accompanying drawings and the specific embodiments, and it should be noted that the embodiments of the present utility model and features in the embodiments may be combined with each other without conflict.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "provided", "sleeved", "connected", etc. are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; 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.

The present utility model will be described in detail below with reference to the accompanying drawings.

The utility model provides a sand core sand shell combination auxiliary device is used in production of hydraulic valve body, as shown in fig. 1 through 3, including mounting bracket 3, the bottom rotation of mounting bracket 3 is connected with a plurality of universal gyro wheels 4, is equipped with elevating platform 5 and the elevating system that drive elevating platform 5 goes up and down on the mounting bracket 3, elevating system includes electric putter one 10, electric putter one installs on the mounting bracket, electric putter one 10 stretch out end and elevating platform fixed connection, be equipped with a plurality of one ends and its fixed connection's gag lever post 11 on the elevating platform, the other end and the mounting bracket 3 sliding connection of gag lever post 11.

Be equipped with the clamping jaw 6 that sets up a plurality of scales on the elevating platform 5, be equipped with the actuating mechanism that drives a plurality of clamping jaws 6 and remove on the elevating platform 5, actuating mechanism is including installing the motor 12 on the elevating platform 5, be equipped with one end rather than fixed connection's two-way lead screw 13 on the output shaft of motor 12, the other end and the elevating platform 5 rotation of two-way lead screw 13 are connected, equal threaded connection has slide 14 on the left-hand thread section of two-way lead screw 13 and the right-hand thread section, both sides slide 14 respectively with a plurality of clamping jaw 6 fixed connection of both sides, fixedly connected with more than one guide bar 15 on the elevating platform 5, both sides slide 14 all with guide bar 15 sliding connection.

Be equipped with a plurality of pay-off modules on the mounting bracket 3, pay-off module is including the symmetry setting slide rail 7 in the mounting bracket 3 both sides, equal sliding connection has slide 8 in the slide rail 7 of both sides, is equipped with on the mounting bracket 3 and carries out spacing stop gear to slide 8, and stop gear is including fixing a plurality of fender pipes 16 on the mounting bracket 3, and the equal threaded connection in both sides has pin 17 around a plurality of slide 8, is equipped with a plurality of screw holes that are used for being connected with the shelves pole on the slide 8. The positioning frames 18 are detachably connected to the sliding plates 8, the positioning frames 18 are fixedly connected with the inserting rods 19, and the sliding plates 8 are provided with a plurality of inserting slots 20 for inserting the inserting rods 19.

Be equipped with the calibrating mechanism that carries out position calibration to the sand shell on the mounting bracket 3, calibrating mechanism includes the bottom plate 25 with mounting bracket 3 fixed connection, the equal fixedly connected with mounting panel 22 in both sides of mounting bracket 3, all installs electric putter two 21 on the mounting panel 22 in both sides, equal fixedly connected with splint 23 on the output of electric putter two 21 in both sides, all be equipped with one end and its fixed connection's calibrating rod 24 on the splint 23 in both sides, calibrating rod 24's the other end and mounting panel 22 sliding connection.

When the hydraulic valve body is required to be assembled, a worker carries the treated sand shells to an assembly site or a casting site and neatly separates and arranges the treated sand shells on the ground, the user places the treated sand cores on the sliding plates 8 respectively, one sides of the sand cores lean against the side edges of the positioning frame 18, then pushes the mounting frame 3 to the side of the sand shells, and pushes the mounting frame 3 to be close to a lower die sand shell until the lower die sand shell is positioned in the mounting frame 3, and one side surface of the lower die sand shell is attached to the bottom plate 25.

Then the user drives the extending ends of the two side electric push rods II 21 to extend, and further drives the two side clamping plates 23 to gather inwards, and the two side clamping plates 23 calibrate the position of the lower die sand shell to enable the lower die sand shell to be located at the right center of the mounting frame 3. Then, two sliding plates 8 with the same height are pushed to move to the position right above the sand shell of the lower die along the track of the sliding rail, and then the lifting table 5 is driven to descend by the first electric push rod 10 until the lifting table 5 drives the clamping jaws 6 to be inserted into gaps in the sand core.

The motor 12 drives the two-way screw rod 13 to rotate, the two-way screw rod 13 drives the two-side sliding seat 14 to gather inwards respectively, the two-side clamping jaws 6 are driven to gather inwards until the two-side sand cores are clamped by the clamping jaws 6, then a user pulls out the two-side sliding plates 8 towards the two sides, the first electric push rod 10 drives the two-side sand cores to descend until the sand cores are placed in the sand shells, the motor 12 drives the clamping jaws 6 to loosen the sand cores, the first electric push rod 10 enables the lifting table 5 to rise, and then shell assembling operation of the next sand mould can be performed.

The user can adjust the relative position of the sand core and the clamping jaw 6 through adjusting the position requirements of the positioning frame 18 and the two baffle rods, so as to ensure that the sand core can be accurately placed at the appointed position of the inner cavity of the sand shell.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a hydraulic valve body production is with sand core sand shell combination auxiliary device which characterized in that: including mounting bracket (3), it is connected with a plurality of universal gyro wheels (4) to rotate on mounting bracket (3), be equipped with elevating system that elevating platform (5) and drive elevating platform (5) go on going up and down on mounting bracket (3), be equipped with clamping jaw (6) to a plurality of scales setting on elevating platform (5), be equipped with the actuating mechanism that drive a plurality of clamping jaws (6) moved on elevating platform (5), be equipped with a plurality of feeding modules on mounting bracket (3), feeding module sets up slide rail (7) in mounting bracket (3) both sides including the symmetry, both sides sliding connection has slide (8) between slide rail (7), be equipped with on mounting bracket (3) spacing stop gear and the calibrating mechanism who carries out position calibration to slide (8).

2. The sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 1, wherein: the lifting mechanism comprises an electric push rod I (10), the extending end of the electric push rod I (10) is fixedly connected with a lifting table, a plurality of limiting rods (11) with one ends fixedly connected with the lifting table are arranged on the lifting table, and the other ends of the limiting rods (11) are in sliding connection with the mounting frame (3).

3. The sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 1, wherein: the driving mechanism comprises a motor (12) arranged on the lifting platform (5), a bidirectional screw rod (13) with one end fixedly connected with the motor (12) is arranged on an output shaft of the motor (12), the other end of the bidirectional screw rod (13) is rotationally connected with the lifting platform (5), sliding seats (14) are connected to left-handed thread sections and right-handed thread sections of the bidirectional screw rod (13) in a threaded manner, and the sliding seats (14) are respectively fixedly connected with a plurality of clamping jaws (6) on two sides.

4. A sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 3, which is characterized in that: the lifting table (5) is fixedly connected with more than one guide rod (15), and the sliding seat (14) at two sides is in sliding connection with the guide rods (15).

5. The sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 1, wherein: the limiting mechanism comprises a plurality of baffle pipes (16) fixed on the mounting frame (3), a plurality of baffle rods (17) are connected to the front side and the rear side of the sliding plate (8) in a threaded mode, and a plurality of threaded holes used for being connected with the baffle rods are formed in the sliding plate (8).

6. The sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 1, wherein: the positioning frames (18) are detachably connected to the sliding plates (8), the positioning frames (18) are fixedly connected with the inserting rods (19), and the sliding plates (8) are provided with a plurality of inserting slots (20) for inserting the inserting rods (19).

7. The sand core and sand shell combined auxiliary device for producing a hydraulic valve body according to claim 1, wherein: the calibrating mechanism comprises a bottom plate (25) fixedly connected with a mounting frame (3), mounting plates (22) are fixedly connected to two sides of the mounting frame (3), two sides of the mounting plates are respectively provided with an electric push rod (21), clamping plates (23) are respectively fixedly connected to the output ends of the electric push rods (21), one ends of the calibrating rods (24) are respectively fixedly connected to the clamping plates (23), and the other ends of the calibrating rods (24) are in sliding connection with the mounting plates (22).