阅读说明：本技术 一种覆膜砂型自动拆装设备 (Automatic dismouting equipment of tectorial membrane sand mould ) 是由 沈升好 于 2019-11-14 设计创作，主要内容包括：本发明涉及覆膜砂型铸造技术领域,且公开了一种覆膜砂型自动拆装设备,包括括底座,所述底座的上端固定连接有支撑框,所述支撑框呈倒“U”型设置,所述底座的中心处安装有第一液压缸,所述第一液压缸的输出端固定连接有移动板,所述移动板滑动连接在支撑框内,所述移动板的上端固定连接有两个对称设置的第二液压缸,两个所述第二液压缸的输出端共同固定连接有“U”型的固定框,所述固定框内设置有夹持装置；所述夹持装置包括驱动电机、螺杆、夹板和螺纹孔,所述驱动电机固定连接在固定框外的侧壁上,所述驱动电机的输出端穿过固定框并向内延伸。该覆膜砂型自动拆装设备能够自动拆装覆膜砂型,有效避免对操作工人造成伤害。(The invention relates to the technical field of precoated sand mold casting, and discloses automatic disassembling and assembling equipment for a precoated sand mold, which comprises a base, wherein the upper end of the base is fixedly connected with a supporting frame, the supporting frame is arranged in an inverted U shape, a first hydraulic cylinder is arranged at the center of the base, the output end of the first hydraulic cylinder is fixedly connected with a movable plate, the movable plate is connected in the supporting frame in a sliding manner, the upper end of the movable plate is fixedly connected with two symmetrically arranged second hydraulic cylinders, the output ends of the two second hydraulic cylinders are fixedly connected with a U-shaped fixed frame together, and a clamping device is arranged in the fixed frame; clamping device includes driving motor, screw rod, splint and screw hole, driving motor fixed connection is on fixed outer lateral wall of frame, driving motor's output passes fixed frame and inwards extends. This automatic dismouting equipment of tectorial membrane sand mould can automatic dismouting tectorial membrane sand mould, effectively avoids causing the injury to the operation workman.)

1. The utility model provides an automatic dismouting equipment of tectorial membrane sand mould, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with a supporting frame (2), the supporting frame (2) is arranged in an inverted U shape, a first hydraulic cylinder (3) is installed at the center of the base (1), the output end of the first hydraulic cylinder (3) is fixedly connected with a movable plate (4), the movable plate (4) is connected in the supporting frame (2) in a sliding mode, the upper end of the movable plate (4) is fixedly connected with two symmetrically-arranged second hydraulic cylinders (5), the output ends of the two second hydraulic cylinders (5) are fixedly connected with a U-shaped fixed frame (6) together, and a clamping device (7) is arranged in the fixed frame (6);

clamping device (7) include driving motor (71), screw rod (72), splint (73) and screw hole, driving motor (71) fixed connection is on fixed frame (6) outer lateral wall, the output of driving motor (71) passes fixed frame (6) and inwards extends, screw rod (72) fixed connection is on the output of driving motor (71), the symmetry is provided with opposite direction's screw on screw rod (72), the screw hole is seted up on splint (73), two splint (73) symmetry sets up in fixed frame (6), and screw hole and screw rod (72) threaded connection on it.

2. The automatic disassembling and assembling device for the coated sand mold according to claim 1, characterized in that: spacing groove (8) have been seted up to the symmetry on the vertical lateral wall in carriage (2), sliding connection has stopper (9) in spacing groove (8), the notch of spacing groove (8) is passed and outwards extends to the one end that spacing groove (8) tank bottom was kept away from in stopper (9), and fixed connection is on the corresponding lateral wall of movable plate (4).

3. The automatic disassembling and assembling device for the coated sand mold according to claim 2, characterized in that: ball groove (10) have been seted up to stopper (9) one end that is close to spacing groove (8) tank bottom, roll in ball groove (10) and be connected with ball (11), ball (11) are kept away from the one end of ball groove (10) tank bottom and are passed the notch of ball groove (10) and outwards extend, and with the tank bottom roll connection of spacing groove (8).

4. The automatic disassembling and assembling device for the coated sand mold according to claim 1, characterized in that: the stabilizer bar fixing structure is characterized in that a stabilizer bar (12) is fixedly connected in the fixing frame (6), the stabilizer bar (12) penetrates through two clamping plates (73) to be arranged, and the stabilizer bar (12) is connected with the clamping plates (73) in a sliding mode.

5. The automatic disassembling and assembling device for the coated sand mold according to claim 1, characterized in that: the bottom fixedly connected with a plurality of supporting legs (13) of base (1), a plurality of supporting legs (13) are the rectangle array setting.

6. The automatic disassembling and assembling device for the coated sand mold according to claim 3, characterized in that: the diameter of the ball (11) is larger than the caliber of the notch of the ball groove (10).

7. The automatic disassembling and assembling device for the coated sand mold according to claim 1, characterized in that: the surfaces of the base (1), the supporting frame (2) and the moving plate (4) are coated with anticorrosive coatings.

Technical Field

The invention relates to the technical field of coated sand casting, in particular to automatic disassembly and assembly equipment for a coated sand mold.

Background

At present, the traditional precoated sand molding for producing micro parts such as microspheres mainly adopts a manual sand filling mode; the method comprises the steps of firstly manufacturing a precoated sand mold (namely a core mold) used as a product cavity, wherein the precoated sand comprises raw sand forming a precoated sand main body, and the auxiliary material adopts thermoplastic phenolic resin as a binder and is added with a proper amount of additives such as a curing agent, a lubricant and the like in a matching manner. The main function of the additive is to improve the performance of the precoated sand. The additives widely used at present mainly comprise high temperature resistant additives, easy-to-break additives, reinforcing and toughening additives, sand adhesion preventing additives, wet additives and the like.

In the process of preparing the precoated sand mold, manual sand distributing operation is adopted in the prior art, namely, an operator uses a scoop to contain raw materials of the precoated sand, pours the raw materials onto a master mold (namely, a steel mold for preparing the precoated sand mold), uses a scraper (similar to a bricklayer) to trowel the precoated sand on the steel mold, covers a cover and heats and cures, then pedals a jacking mechanism to support the precoated sand mold, and then takes down the precoated sand mold. The manual operation is adopted, and the following technical defects are realized: in the processes of distributing and leveling the sand, the sand amount is difficult to control, the sand is received by a scoop while leveling, at the moment, the raw material sand is inevitably hung and swept onto an arm, and a part of the raw material sand is scattered on the ground, so that the workload is increased, the waste of the raw material sand is caused, and the quality of the raw material sand cannot be ensured due to the possibility of mixing impurities during the recovery of the raw material sand on the ground; when heating and curing, personnel need to stand at a working position, and smoke generated by heating auxiliary materials directly injures workers; the laminating sand mold is taken down after curing and forming, workers are easily scalded, and the laminating sand mold is in contact with the high-temperature laminating sand mold, so that the skin health of the workers is seriously influenced, the skin is allergic if the skin is mild, and the skin diseases cannot continue to work if the skin diseases are serious.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides automatic film-coated sand mold dismounting equipment which has the advantages of automatically dismounting a film-coated sand mold, effectively avoiding injury to operators and the like, and solves the problems that manual operation can cause hanging and sweeping of raw material sand on arms and scattering of a part of raw material sand on the ground, so that the workload is increased, the waste of the raw material sand is caused, and the safety of workers is high.

(II) technical scheme

In order to realize the purpose that the coated sand mold can be automatically disassembled and assembled and the damage to operators can be effectively avoided, the invention provides the following technical scheme: the automatic disassembly and assembly equipment for the coated sand mold comprises a base, wherein a supporting frame is fixedly connected to the upper end of the base, the supporting frame is arranged in an inverted U shape, a first hydraulic cylinder is installed at the center of the base, a movable plate is fixedly connected to the output end of the first hydraulic cylinder, the movable plate is connected to the inside of the supporting frame in a sliding mode, two second hydraulic cylinders which are symmetrically arranged are fixedly connected to the upper end of the movable plate, the output ends of the two second hydraulic cylinders are fixedly connected to a U-shaped fixed frame together, and a clamping device is arranged in the fixed frame;

clamping device includes driving motor, screw rod, splint and screw hole, driving motor fixed connection is on fixed frame outer lateral wall, driving motor's output passes fixed frame and inside extension, screw rod fixed connection is on driving motor's output, the symmetry is provided with opposite direction's screw thread on the screw rod, the screw hole is seted up on splint, two the splint symmetry sets up in fixed frame, and screw hole and screw rod threaded connection above that.

Preferably, the limiting groove has been seted up to the symmetry on the vertical lateral wall in the carriage, sliding connection has the stopper in the limiting groove, the notch and the outside extension of limiting groove are passed to the one end that the limiting groove tank bottom was kept away from to the stopper, and fixed connection is on the corresponding lateral wall of movable plate.

Preferably, the limiting block is close to the one end of the limiting groove bottom and is provided with a ball groove, the ball groove is connected with a ball in a rolling manner, and one end, far away from the ball groove bottom, of the ball penetrates through the notch of the ball groove and extends outwards and is connected with the groove bottom of the limiting groove in a rolling manner.

Preferably, the fixing frame is internally and fixedly connected with a stabilizer bar, the stabilizer bar penetrates through the two clamping plates and is connected with the clamping plates in a sliding mode.

Preferably, the bottom of the base is fixedly connected with a plurality of supporting legs, and the supporting legs are arranged in a rectangular array.

Preferably, the diameter of the ball is larger than the caliber of the notch of the ball groove.

Preferably, the surfaces of the base, the supporting frame and the moving plate are coated with anticorrosive coatings.

(III) advantageous effects

Compared with the prior art, the invention provides automatic film-coated sand mold dismounting equipment which has the following beneficial effects:

1. the automatic disassembly and assembly equipment for the film-coated sand mold comprises a base, a supporting frame, a first hydraulic cylinder, a movable plate, a second hydraulic cylinder, a fixed frame, a clamping device, a driving motor, a screw and clamping plates, wherein when the film-coated sand mold needs to be removed, the first hydraulic cylinder is started, the height of the movable plate is adjusted through the first hydraulic cylinder, when the movable plate moves to a proper height in the vertical direction, the movable plate drives the second hydraulic cylinder and the clamping device to move to proper positions to lock the first hydraulic cylinder, then two second hydraulic cylinders are synchronously started, the two second hydraulic cylinders drive the clamping device to move in the horizontal direction, when the movable plate moves to proper positions in the horizontal direction, the second hydraulic cylinder is locked, so that the film-coated sand mold is positioned between the two clamping plates, then the driving motor is started to rotate in the positive direction, the output end of the driving motor drives the screw to rotate in the positive, splint remove on the screw rod, because what set up on the screw rod is symmetry and opposite screw thread, under the screw thread cooperation effect on the screw thread in the screwed hole and the screw rod, two splint remove in opposite directions, and then live the tectorial membrane sand mould centre gripping, then can take off the tectorial membrane sand mould through first pneumatic cylinder, second pneumatic cylinder and driving motor, when needs are adorned the tectorial membrane sand mould once more, reverse operation can, make can automatic dismouting tectorial membrane sand mould, can effectively avoid causing the injury to the operation workman.

2. This automatic dismouting equipment of tectorial membrane sand mould, through setting up spacing groove and stopper, when the movable plate upwards or when the lapse in the carriage, the movable plate drives the stopper and removes, and the stopper removes in the spacing inslot, because the cell wall of spacing groove is to the limiting displacement of stopper for the stopper can only remove at the scope of spacing inslot, and then makes the movable plate move more reliable and more stable in the carriage removal ground.

Drawings

FIG. 1 is a schematic front view structure diagram of an automatic film-coated sand mold disassembling and assembling device provided by the invention;

fig. 2 is a schematic top view of the movable plate, the second hydraulic cylinder and the clamping device in the automatic disassembling and assembling device for the coated sand mold according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure: the supporting legs comprise a base 1, a supporting frame 2, a first hydraulic cylinder 3, a moving plate 4, a second hydraulic cylinder 5, a fixed frame 6, a clamping device 7, a driving motor 71, a screw rod 72, a clamping plate 73, a limiting groove 8, a limiting block 9, a ball groove 10, balls 11, a stabilizing bar 12 and a supporting leg 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an automatic disassembling and assembling device for a coated sand mold comprises a base 1, wherein a supporting frame 2 is fixedly connected to the upper end of the base 1, the supporting frame 2 is arranged in an inverted U shape, a first hydraulic cylinder 3 is installed in the center of the base 1, a moving plate 4 is fixedly connected to the output end of the first hydraulic cylinder 3, the moving plate 4 is slidably connected into the supporting frame 2, two second hydraulic cylinders 5 which are symmetrically arranged are fixedly connected to the upper end of the moving plate 4, a U-shaped fixing frame 6 is fixedly connected to the output ends of the two second hydraulic cylinders 5 together, and a clamping device 7 is arranged in the fixing frame 6;

the clamping device 7 comprises a driving motor 71, a screw 72, clamping plates 73 and threaded holes, the driving motor 71 is fixedly connected to the side wall outside the fixed frame 6, the output end of the driving motor 71 penetrates through the fixed frame 6 and extends inwards, the screw 72 is fixedly connected to the output end of the driving motor 71, the screw 72 is symmetrically provided with threads in opposite directions, the threaded holes are formed in the clamping plates 73, the two clamping plates 73 are symmetrically arranged in the fixed frame 6, the threaded holes in the clamping plates are in threaded connection with the screw 72, when the coated sand mold needs to be removed, the first hydraulic cylinder 3 is started, the height of the moving plate 4 is adjusted through the first hydraulic cylinder 3, when the moving plate 4 moves to a proper height in the vertical direction, the moving plate 4 drives the second hydraulic cylinder 5 and the clamping device 7 to move to proper positions to lock the first hydraulic cylinder 3, and then the two second hydraulic cylinders 5 are started synchronously, the two second hydraulic cylinders 5 drive the holding device 7 to move in the horizontal direction, and when the holding device is moved to a proper position in the horizontal direction, the second hydraulic cylinders 5 are locked, so that the coated sand mold is positioned between the two clamping plates 73, then the driving motor 71 is started to rotate forward, the output end of the driving motor 71 drives the screw 72 to rotate forward, under the action of the screw thread, the clamping plate 73 moves on the screw 72, and since the screw 72 is provided with symmetrical and opposite threads, under the matching action of the threads in the threaded hole and the threads on the screw 72, the two clamping plates 73 move oppositely to clamp the coated sand mold, then the coated sand mold can be taken down through the first hydraulic cylinder 3, the second hydraulic cylinder 5 and the driving motor 71, when needing to load the tectorial membrane sand mould once more, reverse operation can for can automatic dismouting tectorial membrane sand mould, can effectively avoid causing the injury to the operation workman.

Spacing groove 8 has been seted up to the symmetry on the vertical lateral wall in the carriage 2, sliding connection has stopper 9 in the spacing groove 8, stopper 9 keeps away from the one end of 8 tank bottoms in spacing groove 8 and passes the notch of spacing groove 8 and outwards extends, and fixed connection is on the corresponding lateral wall of movable plate 4, when movable plate 4 is in carriage 2 to upward or during the lapse, movable plate 4 drives stopper 9 and removes, stopper 9 removes in spacing groove 8, because the cell wall of spacing groove 8 is to stopper 9's limiting displacement, make stopper 9 only can the scope in spacing groove 8 remove, and then make movable plate 4 remove more reliable and more stable in 2 removals in carriage.

The ball groove 10 has been seted up to the one end that stopper 9 is close to the spacing groove 8 tank bottom, and ball groove 10 internal rolling is connected with ball 11, and ball 11 keeps away from the one end of ball groove 10 tank bottom and passes the notch of ball groove 10 and outwards extend, and with the tank bottom rolling connection of spacing groove 8 for stopper 9 removes more smoothly in spacing groove 8.

The stabilizer bar 12 is fixedly connected in the fixing frame 6, the stabilizer bar 12 is arranged by penetrating through the two clamping plates 73, and the stabilizer bar 12 is in sliding connection with the clamping plates 73, so that the clamping plates 73 can move more stably and reliably.

The bottom fixedly connected with a plurality of supporting legs 13 of base 1, a plurality of supporting legs 13 are the rectangle array setting, have played the effect of support to whole device.

The diameter of the ball 11 is larger than the caliber of the notch of the ball groove 10, so that the ball 11 is prevented from being separated from the ball groove 10.

The surfaces of the base 1, the supporting frame 2 and the moving plate 4 are coated with anticorrosive coatings, so that the function of corrosion prevention is achieved.

In summary, according to the automatic disassembling and assembling device for the coated sand mold, when the coated sand mold needs to be removed, the first hydraulic cylinder 3 is started, the height of the moving plate 4 is adjusted through the first hydraulic cylinder 3, when the moving plate 4 moves to a proper height in the vertical direction, the moving plate 4 drives the second hydraulic cylinders 5 and the clamping devices 7 to move to proper positions, the first hydraulic cylinder 3 is locked, then the two second hydraulic cylinders 5 are synchronously started, the two second hydraulic cylinders 5 drive the clamping devices 7 to move in the horizontal direction, when the moving plate moves to a proper position in the horizontal direction, the second hydraulic cylinders 5 are locked, so that the coated sand mold is located between the two clamping plates 73, then the driving motor 71 is started to rotate forward, the output end of the driving motor 71 drives the screw 72 to rotate forward, under the action of the screw threads, the clamping plates 73 move on the screw 72, and because symmetrical and opposite threads are arranged on the screw 72, under the screw thread in the screwed hole and the screw thread cooperation effect on the screw rod 72, two splint 73 move in opposite directions, and then hold the tectorial membrane sand mould, then can take off the tectorial membrane sand mould through first pneumatic cylinder 3, second pneumatic cylinder 5 and driving motor 71, when needing to adorn the tectorial membrane sand mould once more, reverse operation can, make can automatic dismouting tectorial membrane sand mould, can effectively avoid causing the injury to the operation workman, when movable plate 4 upwards or when moving down in carriage 2, movable plate 4 drives stopper 9 and removes, stopper 9 removes in spacing groove 8, because the cell wall of spacing groove 8 is to the limiting displacement of stopper 9, make stopper 9 only can move in the scope of spacing groove 8, and then make movable plate 4 remove more reliable and more stable in 2 ground in carriage.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.