CN213888130U

CN213888130U - Molding sand compaction device

Info

Publication number: CN213888130U
Application number: CN202022858696.5U
Authority: CN
Inventors: 齐亚军
Original assignee: Tianjin Zhenghe Metal Co ltd
Current assignee: Tianjin Zhenghe Metal Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-06
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a metal casting's technical field especially relates to a molding sand compaction device, and it includes the operation panel, has placed down the molding sand on the operation panel, and the upper molding sand has been placed to lower molding sand top, and the sprue gate has been seted up to the upper molding sand top surface, and the upper molding sand upper cover is equipped with the clamp plate, and the clamp plate is connected with the operation panel relatively. This application has the effect that improves the precision of casting the work piece.

Description

Molding sand compaction device

Technical Field

The application relates to the technical field of metal casting, in particular to a molding sand compacting device.

Background

Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time.

The existing mould cast by molding sand is generally divided into upper molding sand and lower molding sand, the upper molding sand is placed on the lower molding sand, a cavity is formed between the upper molding sand and the lower molding sand, the shape of the cavity is the shape of a workpiece to be cast, a casting opening is formed in the upper molding sand, and metal liquid is poured into the cavity through the casting opening to form a casting.

In view of the above-mentioned related art, the inventor believes that the metal liquid poured into the cavity gradually solidifies, and the metal expands during the solidification process, which easily causes the upper molding sand to shift and misplace, thereby affecting the precision of the casting.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of casting the work piece, this application provides a molding sand compaction device.

The application provides a molding sand compaction device adopts following technical scheme:

the utility model provides a molding sand compaction device, includes the operation panel, has placed down the molding sand on the operation panel, and the molding sand has been placed to lower molding sand top, and the sprue gate has been seted up to the molding sand top surface, and the upper cover of molding sand is equipped with the clamp plate, and the clamp plate is connected with the operation panel relatively.

Through adopting above-mentioned technical scheme, pour into the cavity between the upper molding sand and the lower molding sand with the metal liquid through the casting gate among, place the upper surface of upper molding sand with the clamp plate again for clamp plate and upper molding sand butt make the metal liquid in the inflation in-process that solidifies, the difficult emergence in position of upper molding sand is removed, has ensured the work piece that the metal liquid solidifies, can with the preset cavity laminating between upper molding sand and the lower molding sand, and then improved the precision of casting the work piece.

Optionally, a compression spring is arranged between the pressing plate and the operating platform, the compression spring is vertically arranged, the top end of the compression spring is fixedly connected with the bottom end of the pressing plate, and the bottom end of the compression spring is relatively connected with the operating platform.

Through adopting above-mentioned technical scheme, set up compression spring between clamp plate and operation panel for leave certain room for movement between clamp plate and the cope match-plate pattern, thereby avoid appearing the metal in solidification process, the volume expansion is great, causes destruction and influences the work piece shaping to cope match-plate pattern and lower mould sand, and then has improved the yield of casting work piece.

Optionally, a feeding port is formed in the pressing plate, and the longitudinal projection of the feeding port falls in the casting port.

Through adopting above-mentioned technical scheme, set up the pan feeding mouth coaxial with the casting gate on the clamp plate for in the cavity is poured into through the pan feeding mouth between the metal liquid, thereby be convenient for press the clamp plate on the molding sand before the casting, expand fast and influence the compaction effect of clamp plate when avoiding the metal liquid casting, and then improved the precision of casting the work piece.

Optionally, a feeding funnel is connected to the pressing plate, the feeding funnel is vertically arranged, and the bottom end of the feeding funnel is communicated with the feeding port.

Through adopting above-mentioned technical scheme, in the metal liquid pours into the casting gate through feed hopper, avoided because the casting gate sets up the undersize and influences pouring of metal liquid to the efficiency of metal work piece casting has been improved.

Optionally, a height adjusting assembly is arranged between the pressing plate and the operating platform and comprises two screw rods and two sliding blocks, the two screw rods are vertically arranged and are rotatably connected with the operating platform, the two screw rods are respectively arranged on two sides of the pressing plate, the two sliding blocks are respectively sleeved on the two screw rods and are in threaded connection with the screw rods, the sliding blocks are fixedly connected with the pressing plate through compression springs, and driving pieces for driving the screw rods to rotate are relatively connected to the screw rods.

Through adopting above-mentioned technical scheme, when casting the work piece of equidimension not, need change the molding sand of equidimension and shape, rotate the screw rod through the driving piece for the slider drives the clamp plate and removes along vertical direction, is convenient for put the molding sand of co-altitude not under the clamp plate, and the height of readjustment clamp plate makes clamp plate and last molding sand butt, thereby ensures the precision of casting the work piece.

Optionally, a synchronous driving assembly is arranged between the two screws and comprises two synchronous belts and two synchronous wheels, the two synchronous wheels are respectively sleeved at the bottom ends of the two screws, and the two synchronous wheels are sleeved with the two synchronous wheels and matched with the synchronous wheels for use.

Through adopting above-mentioned technical scheme, rotate a screw rod through the driving piece for synchronizing wheel on the screw rod rotates, drives the hold-in range and rotates, thereby makes another synchronizing wheel on the hold-in range rotate, and drives another screw rod synchronous rotation, thereby stable drive clamp plate reciprocates.

Optionally, the driving part adopts a rotating hand wheel, a steering assembly is arranged between the rotating hand wheel and the screw rod, and the rotating hand wheel is positioned on the side wall of the operating platform.

Through adopting above-mentioned technical scheme, through turning to the subassembly setting, the staff of being convenient for rotates the rotation hand wheel in the lateral wall department of operation panel, adjusts the clamp plate height to the convenience of operation has been improved.

Optionally, the steering assembly includes a first gear and a second gear, the first gear and the second gear are bevel gears engaged with each other, an axial direction of the first gear is the same as an axial direction of the screw, the first gear is fixedly connected to the bottom end of the screw, an axial direction of the second gear is a horizontal direction, and the second gear is relatively fixedly connected to the rotating hand wheel.

Through adopting above-mentioned technical scheme, rotate and rotate the hand wheel, drive the second gear rotation for the first gear drive screw rod rotation of meshing with it, thereby make the clamp plate reciprocate, make clamp plate and upper molding sand butt, thereby ensure the precision of casting the work piece.

To sum up, this application includes following at least one type sand compaction device beneficial technological effect:

the pressing plate and the compression spring are matched for use, so that the position of the upper molding sand is not easy to move in the solidification and expansion process of the metal liquid, and the precision of the cast workpiece is improved;

the setting of altitude mixture control subassembly is convenient for according to the molding sand of co-altitude, adjusts the height of clamp plate for the clamp plate can be all the time with the last molding sand butt, thereby ensures the precision of casting the work piece.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic view of a cross-sectional structure intended to show the synchronous drive assembly and the steering assembly.

Description of reference numerals: 1. an operation table; 2. molding sand; 21. a casting gate; 3. molding sand; 4. pressing a plate; 41. a feeding port; 42. a feed hopper; 5. a height adjustment assembly; 51. a screw; 52. a slider; 6. a compression spring; 7. rotating a hand wheel; 8. a synchronous drive assembly; 81. a synchronous belt; 82. a synchronizing wheel; 9. a steering assembly; 91. a first gear; 92. a second gear.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, the embodiment of the application discloses a molding sand compaction device, including operation panel 1, be provided with molding sand 2 and lower molding sand 3 on the operation panel 1, the equal level setting of molding sand 2 and lower molding sand 3, the top that molding sand 2 is located molding sand 3 down closely laminates with

lower molding sand

3, and 3 bottom surfaces of lower molding sand and 1 top surface butt of operation panel. A pressing plate 4 which is connected with the operation table 1 in a relatively sliding way is arranged above the upper molding sand 2.

During the use, pour into the metal liquid between the cavity of upper molding sand 2 and lower molding sand 3, cover clamp plate 4 and establish on upper molding sand 2 to avoid the metal liquid too big and influence the work piece precision of inflation.

Referring to fig. 1, a casting opening 21 is formed in the center of the top surface of the upper molding sand 2, a feeding opening 41 is formed in the pressing plate 4, the longitudinal projection of the feeding opening 41 falls in the casting opening 21, a feeding funnel 42 is arranged above the pressing plate 4, the feeding funnel 42 is vertically arranged, and the bottom end of the feeding funnel 42 is communicated with the feeding opening.

In use, the metal liquid is poured into the inlet 41 through the inlet funnel 42 and flows into the casting gate 21 through the inlet 41.

Referring to fig. 1, a height adjusting assembly 5 is arranged between a pressing plate 4 and an operating platform 1, the height adjusting assembly 5 includes a screw rod 51 and two sliding blocks 52, the screw rod 51 is vertically arranged and is rotatably connected with the operating platform 1, the screw rod 51 is symmetrically arranged about the pressing plate 4, the two screw rods 51 are respectively located at two ends of the pressing plate 4 in the length direction, the two sliding blocks 52 are horizontally arranged, the two screw rods 51 are respectively sleeved with each other and are in threaded connection with the screw rods 51, two compression springs 6 are arranged between each sliding block 52 and the pressing plate 4, the compression springs 6 are vertically arranged, the top ends of the compression springs 6 are fixedly connected with the bottom end of the pressing plate 4, and the bottom ends of the compression springs 6 are fixedly connected with the top surfaces of the sliding blocks 52. The bottom end of the screw rod 51 is relatively connected with a driving piece, and the driving piece adopts a rotating hand wheel 7.

Referring to fig. 2, a steering assembly 9 is disposed between the driving handwheel and the screw 51, the steering assembly 9 is located in the console 1, the steering assembly 9 includes a first gear 91 and a second gear 92, both the first gear 91 and the second gear 92 are bevel gears, the axial direction of the first gear 91 is the same as the axial direction of the screw 51, the first gear 91 is fixedly connected to the bottom end of the screw 51, the axial direction of the second gear 92 is horizontal, the first gear 91 is meshed with the second gear 92, the second gear 92 is relatively fixedly connected with the rotating handwheel 7, and the rotating handwheel 7 is located on the side wall of the console 1.

Referring to fig. 2, a synchronous driving assembly 8 is arranged between the two screws 51, the synchronous driving assembly 8 includes two synchronous belts 81 and two synchronous wheels 82, the two synchronous wheels 82 are respectively sleeved at the bottom ends of the two screws 51, the axial direction of the synchronous wheels 82 is the same as the length direction of the screws 51, the synchronous belts 81 are horizontally arranged and sleeved on the two synchronous wheels 82, and the synchronous belts 81 are used in cooperation with the synchronous wheels 82.

During the use, rotate the rotation hand wheel 7, drive second gear 92 and rotate for first gear 91 with second gear 92 meshing rotates, thereby drives a screw rod 51 and the synchronizing wheel 82 on the screw rod 51 and rotates, and the rethread hold-in range 81 drives another synchronizing wheel 82 and another screw rod 51 and rotates, thereby drives clamp plate 4 and removes along vertical direction.

The embodiment of the application provides a molding sand compaction device's implementation principle does: rotate and rotate hand wheel 7, thereby drive clamp plate 4 and remove along vertical direction, thereby place top sand 2 and lower mould sand 3 in the below of clamp plate 4, and set up

clamp plate

4 and 2 top surfaces butt of top sand, pour metal liquid into pan feeding mouth 41 through feed hopper 42 again, and flow into casting gate 21 in by pan feeding mouth 41, make metal liquid receive clamp plate 4's restriction at the solidification inflation in-process, thereby avoid the metal liquid inflation too big and influence the work piece precision.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a molding sand compaction device which characterized in that: including operation panel (1), placed down molding sand (3) on operation panel (1), placed top molding sand (2) down molding sand (3) top, pouring gate (21) have been seted up to top molding sand (2) top surface, and top molding sand (2) upper cover is equipped with clamp plate (4), and clamp plate (4) are connected with operation panel (1) relatively.

2. A sand compaction apparatus as claimed in claim 1 wherein: be provided with compression spring (6) between clamp plate (4) and operation panel (1), compression spring (6) vertical setting, the top of compression spring (6) and the bottom fixed connection of clamp plate (4), the bottom and the operation panel (1) of compression spring (6) are connected relatively.

3. A sand compaction apparatus as claimed in claim 1 wherein: a feeding port (41) is formed in the pressing plate (4), and the longitudinal projection of the feeding port (41) falls in the casting port (21).

4. A sand compaction apparatus as claimed in claim 3 wherein: the feeding device is characterized in that a feeding funnel (42) is connected to the pressing plate (4), the feeding funnel (42) is vertically arranged, and the bottom end of the feeding funnel (42) is communicated with the feeding port (41).

5. A sand compaction apparatus as claimed in claim 2 wherein: be provided with height adjusting subassembly (5) between clamp plate (4) and operation panel (1), height adjusting subassembly (5) include screw rod (51) and slider (52), screw rod (51) are vertical to be provided with two and rotate with operation panel (1) and be connected, two screw rods (51) set up respectively in the both sides of clamp plate (4), slider (52) are provided with two, establish respectively on two screw rods (51) and with screw rod (51) threaded connection, slider (52) pass through compression spring (6) fixed connection with clamp plate (4), be connected with drive screw rod (51) pivoted driving piece on screw rod (51) relatively.

6. A sand compaction device as claimed in claim 5 wherein: be provided with synchronous drive subassembly (8) between two screw rods (51), synchronous drive subassembly (8) include hold-in range (81) and synchronizing wheel (82), and synchronizing wheel (82) are provided with two, establish the bottom at two screw rods (51) respectively in the cover, and hold-in range (81) cover is established on two synchronizing wheel (82) and is used with synchronizing wheel (82) cooperation.

7. A sand compaction device as claimed in claim 6 wherein: the driving piece adopts a rotating hand wheel (7), a steering assembly (9) is arranged between the rotating hand wheel (7) and the screw rod (51), and the rotating hand wheel (7) is positioned on the side wall of the operating platform (1).

8. A sand compaction device as claimed in claim 7 wherein: the steering assembly (9) comprises a first gear (91) and a second gear (92), the first gear (91) and the second gear (92) are bevel gears which are meshed with each other, the axial direction of the first gear (91) is the same as the axial direction of the screw rod (51), the first gear (91) is fixedly connected to the bottom end of the screw rod (51), the axial direction of the second gear (92) is the horizontal direction, and the second gear (92) is fixedly connected with the rotating hand wheel (7) relatively.