CN210305723U - Foundry goods molding is with device of turning over case - Google Patents

Abstract

The utility model belongs to the technical field of the casting, a foundry goods molding is with turning over case device is proposed, including the support, the tongs frame reciprocates after following support horizontal migration, and rotatory coupler frame, articulated setting are on the support, and rotatory coupler frame includes the support arm with support articulated, and the free end of support arm is provided with the upset hook, and upset hook department is provided with two pulleys that are used for supporting the trip shaft of sand box, and one side of rotatory coupler frame is provided with the power unit that is used for driving the sand box rotation. Through above-mentioned technical scheme, the problem that the big life-span of box turnover equipment friction loss is short among the prior art has been solved.

Description

Foundry goods molding is with device of turning over case

Technical Field

The utility model belongs to the technical field of the casting, a foundry goods molding is with turning over case device is related to.

Background

The technological process of V-method molding is as follows: a. sucking and sticking a preheated plastic film to the mold under the action of negative pressure, and uniformly spraying quick-drying paint on the film;

b. putting a sandbox with an air extracting chamber on;

c. filling dry sand without adding binder, moisture and additive, and slightly vibrating while adding sand to ensure that the sand box is filled with the dry sand. Scraping, covering the top of the sand box with a material film, and vacuumizing through the wall of the sand box;

d. turning over the box and lifting the mould, wherein the plastic film is uniformly adhered to the sand mould under the action of atmospheric pressure, so that the molding sand is in a compact state, and taking out the mould sample to achieve the sand mould with the hardness of about 90 degrees;

e. mold assembling, wherein the negative pressure state of the casting mold is maintained until pouring, and the casting is solidified;

f. after the negative pressure is relieved, the casting mold is automatically collapsed, and the casting can be conveniently taken out from the casting mold dry sand.

The utility model patent application No. 2016201291244 discloses a flask that can be used on both sides in V-process molding, but the production cost of this flask is high. The problem that the friction between a sand box and a manipulator is too large, so that the loss is large and the service life is short exists in the conventional box turnover equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a foundry goods molding is with device of turning over case has solved the problem that turns over the big life-span of case equipment friction loss among the prior art.

The technical scheme of the utility model is realized like this:

a box-turnover device for casting molding, comprising:

a support frame is arranged on the base plate,

the gripper frame moves up and down after horizontally moving along the bracket,

a rotary hook frame hinged on the bracket,

the rotary hook frame comprises a support arm hinged with the support, the free end of the support arm is provided with a turnover hook, the turnover hook is internally provided with two pulleys for supporting a turnover shaft of the sand box,

and one side of the rotating hook frame is provided with a power mechanism for driving the sand box to rotate.

As a further technical scheme, the gripper frame comprises a base plate which moves up and down, gripper groups are hinged to two sides of the base plate and comprise two grippers which are arranged in the same plane, the middle of each gripper is hinged to the base plate, and the upper ends of the two grippers in each gripper group are movably connected.

As a further technical proposal, two sliding rails are arranged on the bracket in parallel along the length direction,

the gripper frame further comprises a connecting plate located above the base plate, and rollers sliding on the sliding rails are arranged on the connecting plate.

As a further technical proposal, a lifting cylinder is fixedly arranged on the connecting plate, a telescopic rod of the lifting cylinder is vertically connected with the base plate,

the lifting cylinder is characterized in that a plurality of guide columns are arranged on the periphery of a telescopic rod of the lifting cylinder, the guide columns are arranged in parallel with the telescopic rod of the lifting cylinder, a sleeve is fixedly arranged above the base plate, one end of each guide column is fixed on the connecting plate, and the other end of each guide column moves up and down in the sleeve.

As a further technical scheme, the gripper group further comprises a bidirectional cylinder, and telescopic rods at two ends of the bidirectional cylinder are respectively hinged with the upper end parts of the two grippers.

As a further technical scheme, the free end of the hand grip is provided with an inward bent hook.

As a further technical solution, the power mechanism comprises

A fixed plate which is arranged in a rotating way and is positioned on one side of the rotating hook frame far away from the gripper frame,

a gear box fixedly arranged on the fixed plate,

the output shaft of the gear box is coaxially provided with a clamping block for driving the sand box to rotate, one end of the clamping block is in key connection with the output shaft of the gear box, and the other end of the clamping block is provided with a groove matched and fixed with a rotating shaft on the sand box.

As a further technical scheme, one side of the base plate, which is far away from the lifting cylinder, is provided with a plurality of leveling support columns.

As a further technical scheme, a hinged sheet and a top rotating cylinder are arranged below one end of the fixed plate, a telescopic rod of the top rotating cylinder is hinged to the hinged sheet, and a hinged shaft is arranged in the middle of the fixed plate.

As a further technical proposal, a pushing cylinder is fixedly arranged on the bracket, a telescopic rod of the pushing cylinder is hinged with the support arm,

and the bracket is also provided with a rotating motor, and an output shaft of the rotating motor is synchronously connected with the idler wheel.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model discloses in, the support is used for providing the gliding track of gripper frame, and the gripper frame is used for lifting up the sand box and removes along the support, puts down the sand box after removing appointed station. The rotary hook frame is used for supporting the sand box to rotate. Support arm one end and the support of rotatory hook frame rotate to be connected, and the other end is provided with the upset hook, and the inside two pulleys that are provided with of upset hook, two pulleys can support with the outside rotation axis contact of sand box, and along with the rotation of sand box, two pulleys also rotate, reduce the friction when can providing the support, avoid bringing too big hindrance for power unit. The sand box is firstly positioned at one end of the support, the gripper frame moves to the position above the sand box, then moves downwards, the gripper jaws are opened at the same time, the sand box is clamped, then the gripper frame is lifted and moves to the position of the rotary hook frame, the rotary hook frame hooks the rotary shaft outside the sand box, then the power mechanism rotates and is synchronously connected with the rotary shaft outside the sand box, the power mechanism drives the sand box to rotate, and after the sand box is turned over for 180 degrees, the gripper frame clamps the sand box and continues to move along the support until the sand box is placed on the ground.

2. The utility model discloses in, the horizontal migration and the vertical migration of realization that the tongs frame can be convenient, the base plate is used for the fixed stay, tongs group is located the both sides limit of base plate, tongs group includes two tongs, the tongs can rotate on the base plate, two tongs opposite direction sets, the upper end swing joint of two tongs, can adjust the interval on two tongs tops, along with adjusting the interval on top, the free end interval of two tongs also produces the change, when needing to mention the sand box, let two tongs open earlier, then fold and catch on the bellying on the sand box; and after the sand box is put down, the hand grip is opened again to separate the hand grip from the sand box. The power mechanism is used for providing power for turning over the sand box, is positioned on one side of the rotating hook frame and can be connected with the rotating shaft of the sand box.

3. The utility model discloses in, slide rail on the support is used for providing the rolling track of gyro wheel, reduces the friction, and the connecting plate passes through the rotation of gyro wheel and removes.

4. The utility model discloses in, the telescopic link and the base plate of lift cylinder are connected perpendicularly, and the flexible base plate that can drive of lift cylinder moves from top to bottom. The guide post and the sleeve can play a role in guiding, the lower end part of the guide post is arranged in the sleeve, and the guide post moves up and down in the sleeve along with the change of the distance between the base plate and the connecting plate.

5. The utility model discloses in, be provided with two-way cylinder between two tongs that belong to same tongs group, two-way cylinder moves, makes two tongs top interval change to lead to the change of bottom interval, come to press from both sides tight or loosen the sand box, the hook of tongs free end is perpendicular with the tongs, and the bellying on the sand box outer wall is the flange of perpendicular outer wall. The hook can realize large-area complete contact with the convex plate, and is more stable when lifted and moved.

6. The utility model discloses in, the gear box is fixed on the fixed plate, and there is the articulated shaft at the middle part of fixed plate below, the epaxial clamp splice of gear box output be used for with the rotation axis fixed connection of sand box outer wall to the upset of drive sand box. The clamping block is provided with a groove which is matched with the shape of the end part of the rotating shaft of the sand box.

7. The utility model discloses in, the pillar perpendicular to base plate of making level, and towards the sand box. The four paws can be grabbed after the sand box is horizontal, so that the position of the sand box is adjusted through the leveling support to be horizontal, and subsequent grabbing is performed.

8. The utility model discloses in, the top revolving cylinder is connected with the lower surface of fixed plate through articulated piece, and the telescopic link through the top revolving cylinder is flexible to make the clamp splice rotatory to the realization is connected with the sand box rotation axis and is loosened. Namely, when the sand box moves to the rotary hook frame, the clamping block rotates along with the fixing plate and is clamped outside a sand box rotating shaft to drive the sand box to overturn; after the sand box is turned over, the jacking cylinder drives the clamping block to move and disengage from the rotating shaft of the sand box, so that the sand box can continue to move.

9. The utility model discloses in, it is rotatory that promotion cylinder is used for promoting the support arm, makes rotatory hook rack break away from or hook the pivot of sand box.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

fig. 2 is a schematic structural view of the power mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the clamping block of the present invention;

FIG. 4 is a schematic view of the structure of the sand box of the present invention;

in the figure: 1-support, 2-gripper frame, 21-base plate, 22-gripper group, 221-gripper, 222-two-way cylinder, 223-hook, 23-connecting plate, 24-lifting cylinder, 25-guide post, 26-sleeve, 27-roller, 28-leveling column, 3-rotating gripper frame, 31-support arm, 32-turning hook, 33-pulley, 34-pushing cylinder, 4-power mechanism, 41-fixing plate, 42-gear box, 43-clamping block, 44-groove, 45-hinging sheet, 46-top-rotating cylinder, 47-hinging shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a foundry goods molding is with device of turning over case, include:

the support frame (1) is provided with a support frame,

the gripper frame 2 moves up and down after moving horizontally along the bracket 1,

the rotating hook frame 3 is hinged on the bracket,

the rotary hook frame 3 comprises a support arm 31 hinged with the support frame 1, the free end of the support arm 31 is provided with an overturning hook 32, two pulleys 33 used for supporting the overturning shaft of the sand box are arranged in the overturning hook 32,

one side of the rotating hook frame 3 is provided with a power mechanism 4 for driving the sand box to rotate.

In this embodiment, the support 1 is used for providing a track for the sliding of the hand grip 221 frame 2, and the hand grip 221 frame 2 is used for lifting the sand box to move along the support 1, moving to a designated station and then lowering the sand box. The rotary hook frame 3 is used for supporting the sand box to rotate.

In this embodiment, one end of the support arm 31 of the rotating hook frame 3 is rotatably connected to the support 1, the other end of the support arm is provided with the turning hook 32, two pulleys 33 are arranged inside the turning hook 32, the two pulleys 33 can be supported by contacting with a rotating shaft outside the sand box, and the two pulleys 33 also rotate along with the rotation of the sand box, so that the friction can be reduced while the support is provided, and the excessive obstruction of the power mechanism 4 is avoided.

In the embodiment, the sand box is firstly positioned at one end of the support 1, the hand grip 221 frame 2 firstly moves to the position above the sand box and then moves downwards, the hand grips are opened at the same time, the sand box is clamped and then lifted and moves to the position of the rotating hook frame 3, the rotating hook frame 3 is enabled to hook the rotating shaft outside the sand box, then the power mechanism 4 rotates and is synchronously connected with the rotating shaft outside the sand box, the power mechanism 4 drives the sand box to rotate, after the sand box is turned over for 180 degrees, the hand grip 221 frame 2 clamps the sand box and continuously moves along the support 1 until the sand box is placed on the ground.

Further, the gripper frame 2 comprises a base plate 21 moving up and down, gripper groups 22 are hinged to two sides of the base plate 21, each gripper group 22 comprises two grippers 221 arranged in the same plane, the middle portions of the grippers 221 are hinged to the base plate 21, and the upper ends of the two grippers 221 in the gripper groups 22 are movably connected.

In the embodiment, the hand grip 221 frame 2 can conveniently realize horizontal movement and vertical movement, the base plate 21 is used for fixed support, the hand grip groups 22 are positioned on two side edges of the base plate 21, each hand grip group 22 comprises two hand grips 221, each hand grip 221 can rotate on the base plate 21, the two hand grips 221 are oppositely arranged, the upper ends of the two hand grips 221 are movably connected, the distance between the top ends of the two hand grips 221 can be adjusted, the distance between the free ends of the two hand grips 221 changes along with the adjustment of the distance between the top ends, and when the sand box needs to be lifted, the two hand grips 221 are firstly opened and then closed to hook the bulge on the sand box; after the flask is lowered, the hand 221 is opened to disengage the hand 221 from the flask. The power mechanism 4 is used for providing power for turning over the sand box, and the power mechanism 4 is positioned on one side of the rotating hook frame 3 and can be connected with a rotating shaft of the sand box.

Furthermore, two slide rails 11 are arranged on the bracket 1 in parallel along the length direction,

the gripper frame 2 further comprises a connecting plate 23 located above the base plate 21, and rollers 27 sliding on the sliding rails 11 are arranged on the connecting plate 23.

In this embodiment, the sliding rail on the bracket 1 is used to provide a track for the roller 27 to roll, so as to reduce friction, and the connecting plate 23 is moved by the rotation of the roller 27.

Furthermore, a lifting cylinder 24 is fixedly arranged on the connecting plate 23, a telescopic rod of the lifting cylinder 24 is vertically connected with the base plate 21, a plurality of guide posts 25 are arranged on the periphery of the telescopic rod of the lifting cylinder 24, the guide posts 25 are arranged in parallel with the telescopic rod of the lifting cylinder 24, a sleeve 26 is fixedly arranged above the base plate 21, one end of each guide post 25 is fixed on the connecting plate 23, and the other end of each guide post moves up and down in the sleeve 26.

In this embodiment, the telescopic rod of the lifting cylinder 24 is vertically connected with the substrate 21, and the telescopic rod of the lifting cylinder 24 can drive the substrate 21 to move up and down. The guide post 25 and the sleeve 26 can function as a guide, and the lower end of the guide post 25 moves up and down in the sleeve 26 along with the change of the distance between the base plate 21 and the connecting plate 23 in the sleeve 26.

Further, the hand grip group 22 further includes a bidirectional cylinder 222, and the telescopic rods at the two ends of the bidirectional cylinder 222 are respectively hinged to the upper ends of the two hand grips 221.

In this embodiment, a bidirectional cylinder 222 is disposed between the two grippers 221 belonging to the same gripper group 22, and the bidirectional cylinder 222 is operated to change the distance between the top ends of the two grippers 221, thereby causing the distance between the bottom ends to change to clamp or release the flask.

Further, the free end of the grip 221 is provided with an inwardly bent hook 223.

In this embodiment, the hook 223 at the free end of the hand grip 221 is perpendicular to the hand grip 221, and the protrusion on the outer wall of the sand box is a convex plate perpendicular to the outer wall. The hook 223 can make full contact with the cam over a large area, and is more stable during the lifting movement.

Further, the power mechanism 4 comprises

A fixed plate 41 which is arranged in a rotating way is arranged at one side of the rotating hook frame 3 far away from the gripper frame 2,

a gear box 42 fixedly arranged on the fixing plate 41,

the output shaft of the gear box 42 is coaxially provided with a clamping block 43 for driving the sand box to rotate, one end of the clamping block 43 is in key connection with the output shaft of the gear box 42, and the other end of the clamping block is provided with a groove 44 which is matched and fixed with the rotating shaft on the sand box.

In this embodiment, the gear box 42 is fixed on the fixing plate 41, the middle part below the fixing plate 41 is provided with a hinge shaft 47, and the clamping block 43 on the output shaft of the gear box 42 is used for being fixedly connected with the rotating shaft of the outer wall of the sand box, so as to drive the sand box to overturn. The clamping blocks 43 are provided with grooves 44 which are matched with the end parts of the rotary shafts of the sand boxes in shape.

Further, a plurality of leveling supports 28 are disposed on a side of the base plate 21 facing away from the lifting cylinder 24.

In this embodiment, the leveling posts 28 are perpendicular to the base plate 21 and face the mold flask. The four paws can be used for grabbing the sand box after the sand box is horizontal, so that the position of the sand box is adjusted through the leveling support columns 28 to be horizontal, and the sand box can be grabbed subsequently.

Further, a hinged sheet 45 and a top rotating cylinder 46 are arranged below one end of the fixed plate 41, a telescopic rod of the pushing cylinder 46 is hinged to the hinged sheet 45, and a hinged shaft 47 is arranged in the middle of the fixed plate 41.

In this embodiment, the jacking cylinder 46 is connected to the lower surface of the fixed plate 41 via the hinge plate 45, and the telescopic rod of the jacking cylinder 46 extends and retracts to rotate the clamping block 43, thereby achieving connection and release with the rotary shaft of the flask. That is, when the sand box moves to the rotary hook frame 3, the clamping block 43 rotates along with the fixing plate 41 and is clamped outside the rotary shaft of the sand box, so as to drive the sand box to turn over; after the flask is turned over, the jacking cylinder 46 drives the clamping block 43 to move and disengage from the rotary shaft of the flask, so that the flask can continue to move.

Further, a pushing cylinder 34 is fixedly arranged on the support 1, and a telescopic rod of the pushing cylinder is hinged with the support arm 31.

In this embodiment, the pushing cylinder 34 is used to push the arm 31 to rotate, so that the rotary hook frame 3 can be disengaged from or hooked on the rotary shaft of the sand box.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A box turnover device for casting modeling is characterized by comprising

A bracket (1) is arranged on the bracket,

the gripper frame (2) moves up and down after moving horizontally along the bracket (1),

a rotary hook frame (3) which is hinged on the bracket,

the rotary hook frame (3) comprises a support arm (31) hinged with the support frame (1), a turnover hook (32) is arranged at the free end of the support arm (31), two pulleys (33) used for supporting a turnover shaft of the sand box are arranged in the turnover hook (32),

and a power mechanism (4) for driving the sand box to rotate is arranged on one side of the rotating hook frame (3).

2. The casting molding box turnover device according to claim 1, characterized in that the gripper frame (2) comprises a base plate (21) which moves up and down, the two sides of the base plate (21) are respectively provided with a gripper group (22) in a hinged manner, the gripper group (22) comprises two grippers (221) which are arranged in a coplanar manner, the middle part of each gripper (221) is arranged on the base plate (21) in a hinged manner, and the upper ends of the two grippers (221) in the gripper group (22) are movably connected.

3. The casting molding rollover device according to claim 2, characterized in that the support (1) is provided with two slide rails (11) in parallel along the length direction,

the gripper frame (2) further comprises a connecting plate (23) located above the base plate (21), and rollers (27) sliding on the sliding rails (11) are arranged on the connecting plate (23).

4. The casting molding box turnover device of claim 3, characterized in that a lifting cylinder (24) is fixedly arranged on the connecting plate (23), the telescopic rod of the lifting cylinder (24) is vertically connected with the base plate (21),

a plurality of guide posts (25) are arranged on the circumferential direction of a telescopic rod of the lifting cylinder (24), the guide posts (25) are arranged in parallel with the telescopic rod of the lifting cylinder (24), a sleeve (26) is fixedly arranged above the base plate (21), one end of each guide post (25) is fixed on the connecting plate (23), and the other end of each guide post (25) moves up and down in the sleeve (26).

5. The casting molding box turnover device as claimed in claim 2, characterized in that the hand grip set (22) further comprises a bidirectional cylinder (222), and telescopic rods at two ends of the bidirectional cylinder (222) are respectively hinged with upper ends of the two hand grips (221).

6. A casting molding box-turnover device as claimed in claim 1, characterized in that the free end of said hand grip (221) is provided with an inwardly bent hook (223).

7. Casting molding box-turnover device according to claim 1, characterized in that the power mechanism (4) comprises

A fixing plate (41) which is arranged in a rotating way and is positioned on one side of the rotating hook frame (3) far away from the gripper frame (2),

a gear box (42) fixedly arranged on the fixed plate (41),

the output shaft of the gear box (42) is coaxially provided with a clamping block (43) for driving the sand box to rotate, one end of the clamping block (43) is in key connection with the output shaft of the gear box (42), and the other end of the clamping block is provided with a groove (44) which is matched and fixed with a rotating shaft on the sand box.

8. Casting molding box-turnover device according to claim 4, characterized in that the base plate (21) is provided with leveling legs (28) on the side facing away from the lifting cylinder (24).

9. The casting molding box-turnover device of claim 7, characterized in that a hinge plate (45) and a jacking cylinder (46) are arranged below one end of the fixing plate (41), the telescopic rod of the jacking cylinder (46) is hinged with the hinge plate (45), and a hinge shaft (47) is arranged in the middle of the fixing plate (41).

10. The casting molding box turnover device of claim 3, characterized in that a pushing cylinder (34) is fixedly arranged on the support frame (1), the expansion link of the pushing cylinder is hinged with the support arm (31),

the support (1) is further provided with a rotating motor (29), and an output shaft of the rotating motor (29) is synchronously connected with the roller (27).

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