CN212792904U

CN212792904U - Clamping device for casting sandbox

Info

Publication number: CN212792904U
Application number: CN202021195462.0U
Authority: CN
Inventors: 魏敦春
Original assignee: Anhui Huaxin Foundry Industry Ltd
Current assignee: Anhui Huaxin Foundry Industry Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-26
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to the field of casting technology, and a casting sandbox clamping device is disclosed, the on-line screen storage device comprises a base, the upper end fixedly connected with U-shaped plate of base, the fixed hydraulic stem that is provided with in upside outer wall middle part of U-shaped plate, the inside upside of U-shaped plate is provided with the horizontally movable plate, the piston rod end of hydraulic stem run through the U-shaped plate the upside outer wall and with the upper end middle part fixed connection of movable plate, the lower extreme middle part fixedly connected with clamp plate of movable plate, the bar groove has been seted up, two to the upper end left and right sides symmetry level of base the inside equal fixedly connected with horizontally slide bar in bar groove, two one side symmetry slip that the pole wall of slide bar deviates from has cup jointed the slider, two the first spring has been cup jointed in the equal. The utility model discloses not only it is outstanding to the tight effect of clamp of casting sandbox, can prevent moreover to lift up the sandbox because of the molten steel come-up and cause the foundry goods to scrap.

Description

Clamping device for casting sandbox

Technical Field

The utility model relates to a casting technical field especially relates to a casting sandbox clamping device.

Background

In the casting process, in order to prevent the upper sand box from being lifted by the buoyancy of molten steel and causing water leakage and scrapping of the casting, the upper sand box and the lower sand box need to be tightly connected together.

The existing clamping device for the casting sandbox has poor clamping effect on the casting sandbox when in use, and the sandbox is easily lifted up due to floating of molten steel to cause scrapping of castings, so that the clamping device for the casting sandbox is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and being not good to the tight effect of clamp of casting sandbox when using, lift up the sandbox because of the molten steel come-up easily, cause the condemned problem of foundry goods, and a casting sandbox clamping device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a casting sandbox clamping device comprises a base, wherein a U-shaped plate is fixedly connected to the upper end of the base, a hydraulic rod is fixedly arranged in the middle of the upper outer wall of the U-shaped plate, a horizontal movable plate is arranged on the upper side inside the U-shaped plate, the tail end of a piston rod of the hydraulic rod penetrates through the upper outer wall of the U-shaped plate and is fixedly connected with the middle of the upper end of the movable plate, a pressing plate is fixedly connected to the middle of the lower end of the movable plate, bar-shaped grooves are symmetrically and horizontally formed in the left side and the right side of the upper end of the base, horizontal sliding rods are fixedly connected to the inside of the two bar-shaped grooves, sliding blocks are sleeved on the opposite sides of the two sliding rods in a symmetrical sliding mode, first springs are movably sleeved on the close sides of the two sliding rods, the upper ends of the two sliding blocks extend to the outside of the bar-shaped, the upper sides of the two push blocks are provided with vertical push rods, the upper ends of the two push rods are fixedly connected with the lower end of the movable plate, the lower ends of the two push rods are connected with the corresponding inclined plane upside in a sliding mode, the upper ends of the side walls of the two opposite sides of the push blocks are symmetrically and fixedly connected with horizontal fixing sleeves, and the insides of the two fixing sleeves are fixedly connected with vertical clamping plates through abutting mechanisms.

Preferably, support tight mechanism and include dead lever, movable rod and second spring, the pole wall and the inner tube wall sliding connection of fixed sleeve of movable rod, and the right-hand member of movable rod extend to fixed sleeve's outside and with the splint fixed connection that corresponds, the bar hole has been seted up to the front side pole wall of movable rod, the dead lever vertically sets up in the inside in bar hole, and both ends all with fixed sleeve's front and back both sides wall fixed connection around the dead lever, the both ends of second spring slide with the pole wall fixed connection of the one side pore wall that is close to the clamp plate in bar hole respectively.

Preferably, the lower end of the pressing plate and the side wall of one side opposite to the two clamping plates are fixedly connected with rubber pads.

Preferably, the four corners of the bottom of the base are fixedly connected with supporting blocks.

Preferably, the left and right sides wall of movable plate has all seted up the standing groove, two the equal sliding connection in inside of standing groove has the spheroid, the equal vertical spacing groove of seting up with two spheroid matched with of left and right sides inner wall of U-shaped board.

Preferably, the lower ends of the two push rods are fixedly hinged with rollers, and the two rollers are abutted to the corresponding inclined planes.

Compared with the prior art, the utility model provides a casting sandbox clamping device possesses following beneficial effect:

1. this casting sandbox clamping device, through movable plate, push rod, ejector pad and the clamp plate that is equipped with, it is outstanding to the tight effect of clamp of casting sandbox.

2. The casting sandbox clamping device can prevent castings from being scrapped due to the fact that the sandbox is lifted up by the upward floating of molten steel through the moving plate, the push rod, the push block and the pressing plate.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only it is outstanding to the tight effect of clamp of casting sandbox, can prevent moreover to lift up the sandbox because of the molten steel come-up and cause the foundry goods to scrap.

Drawings

Fig. 1 is a schematic structural view of a clamping device for a casting sandbox according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a base 1, rollers 2, a U-shaped plate 3, a movable plate 4, a hydraulic rod 5, a pressing plate 6, a fixed sleeve 7, a sphere 8, a pushing block 9, a sliding rod 10, a sliding block 11, a first spring 12, a movable rod 13, a fixed rod 14, a second spring 15, a clamping plate 16 and a pushing rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a clamping device for a casting sandbox comprises a base 1, a U-shaped plate 3 is fixedly connected to the upper end of the base 1, a hydraulic rod 5 is fixedly arranged in the middle of the outer wall of the upper side of the U-shaped plate 3, a horizontal movable plate 4 is arranged on the upper side of the inside of the U-shaped plate 3, the end of a piston rod of the hydraulic rod 5 penetrates through the outer wall of the upper side of the U-shaped plate 3 and is fixedly connected with the middle of the upper end of the movable plate 4, a pressing plate 6 is fixedly connected to the middle of the lower end of the movable plate 4, bar-shaped grooves are symmetrically and horizontally arranged on the left side and the right side of the upper end of the base 1, horizontal slide rods 10 are fixedly connected to the inside of the two bar-shaped grooves, sliders 11 are symmetrically slidably sleeved on the side of the two slide rods 10 opposite to each, the upper ends of the side walls of the two push blocks 9 which are deviated from each other are provided with inclined planes, the upper sides of the two push blocks 9 are provided with vertical push rods 17, the upper ends of the two push rods 17 are fixedly connected with the lower end of the movable plate 4, the lower ends of the two push rods 17 are slidably connected with the upper sides of the corresponding inclined planes, the upper ends of the side walls of the opposite sides of the two push blocks 9 are symmetrically and fixedly connected with horizontal fixed sleeves 7, the interiors of the two fixed sleeves 7 are fixedly connected with vertical clamping plates 16 through a tightening mechanism, the tightening mechanism comprises a fixed rod 14, a movable rod 13 and a second spring 15, the rod wall of the movable rod 13 is slidably connected with the inner cylinder wall of the fixed sleeve 7, the right end of the movable rod 13 extends to the exterior of the fixed sleeve 7 and is fixedly connected with the corresponding clamping plate 16, the front side rod wall of the movable rod 13 is provided with a strip-shaped hole, the, and both ends all with fixed sleeve 7's front and back both sides wall fixed connection around dead lever 14, the both ends of second spring 15 slide and the pole wall fixed connection of dead lever 14 with the one side pore wall that is close to clamp plate 6 in bar hole respectively, the equal fixedly connected with rubber pad of lateral wall of the lower extreme of clamp plate 6 and the relative one side of two splint 16, the equal fixedly connected with supporting shoe in bottom four corners department of base 1, the standing groove has all been seted up to the left and right sides wall of movable plate 4, the equal sliding connection in inside of two standing grooves has spheroid 8, the equal vertical spacing groove with two spheroid 8 matched with of having seted up of the left and right sides inner wall of U-shaped plate 3, the equal fixed hinge joint of lower extreme of two push rods 17 has gyro wheel 2, two gyro wheels.

The utility model discloses in, during the use, place the sandbox and be located two splint 16 between the upper end of base 1, start hydraulic stem 5, hydraulic stem 5's piston rod promotes movable plate 4 downwards, movable plate 4 drives two push rod 17 downstream, two push rod 17 promote the inclined plane of the ejector pad 9 that corresponds through the gyro wheel 2 of handing-over, and drive two ejector pad 9 relative movement, when two ejector pads 9 pass through slider 11 extrusion first spring 12, drive two fixed sleeve 7 relative movement, two fixed sleeve 7 carry out the level spacing to the sandbox through supporting two splint 16 of tight mechanism drive, second spring 15 receives the extrusion simultaneously, hydraulic stem 5's piston rod continues to push down and makes clamp plate 6 and base 1 press from both sides the sandbox tightly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The clamping device for the casting sandbox comprises a base (1) and is characterized in that a U-shaped plate (3) is fixedly connected to the upper end of the base (1), a hydraulic rod (5) is fixedly arranged in the middle of the outer wall of the upper side of the U-shaped plate (3), a horizontal movable plate (4) is arranged on the upper side of the U-shaped plate (3), the tail end of a piston rod of the hydraulic rod (5) penetrates through the outer wall of the upper side of the U-shaped plate (3) and is fixedly connected with the middle of the upper end of the movable plate (4), a pressing plate (6) is fixedly connected to the middle of the lower end of the movable plate (4), strip-shaped grooves are symmetrically and horizontally formed in the left side and the right side of the upper end of the base (1), two horizontal sliding rods (10) are fixedly connected to the inside of the strip-shaped grooves, sliding blocks (11) are symmetrically and slidably sleeved on the opposite sides of the rod walls of the two sliding, two the upper end of slider (11) all extends to outside and fixedly connected with ejector pad (9) in bar groove, two the inclined plane has all been seted up to the lateral wall upper end of one side of carrying on the back of the body of ejector pad (9), two the upside of ejector pad (9) all is provided with vertical push rod (17), two the upper end of push rod (17) all with the lower extreme fixed connection of movable plate (4), and the lower extreme of two push rods (17) all with the inclined plane upside sliding connection that corresponds, two the lateral wall upper end symmetry fixed connection of one side relative of ejector pad (9) has horizontally fixed sleeve (7), two the inside of fixed sleeve (7) is all through supporting tight mechanism fixedly connected with vertical splint (16).

2. The clamping device for the casting sandbox as claimed in claim 1, wherein the abutting mechanism comprises a fixed rod (14), a movable rod (13) and a second spring (15), a rod wall of the movable rod (13) is slidably connected with an inner cylinder wall of the fixed sleeve (7), a right end of the movable rod (13) extends to the outside of the fixed sleeve (7) and is fixedly connected with a corresponding clamping plate (16), a front side rod wall of the movable rod (13) is provided with a strip-shaped hole, the fixed rod (14) is longitudinally arranged in the strip-shaped hole, front and rear ends of the fixed rod (14) are fixedly connected with front and rear side walls of the fixed sleeve (7), and two ends of the second spring (15) are respectively fixedly connected with a hole wall of the strip-shaped hole, which is close to one side of the pressing plate (6), and a rod wall of the fixed rod (14).

3. A casting sandbox clamping device according to claim 1, characterized in that rubber pads are fixedly connected to the lower end of the pressure plate (6) and the side wall of the opposite side of the two clamping plates (16).

4. A casting sandbox clamping device according to claim 1, characterized in that the bottom four corners of the base (1) are fixedly connected with supporting blocks.

5. The clamping device for the casting sandbox according to claim 1, wherein the moving plate (4) has two placing grooves on both left and right sides, the balls (8) are slidably connected inside the two placing grooves, and the U-shaped plate (3) has two limiting grooves vertically formed on both left and right inner walls for matching with the two balls (8).

6. A clamping device for a casting sandbox according to claim 1, characterized in that the lower ends of the two push rods (17) are fixedly hinged with rollers (2), and the two rollers (2) are pressed against the corresponding inclined surfaces.