CN116652116A - Core assembling device, core assembling method and production line - Google Patents

Abstract

The invention relates to a core assembly device, which comprises a base and a plurality of core assembly units arranged on the base; the core assembly unit comprises a first support, a second support, a sliding mechanism, a lifting mechanism and a clamping mechanism, wherein the first support is in sliding connection with the base through the sliding mechanism, and the second support is arranged above the first support; the lifting mechanism is arranged between the first support and the second support and used for driving the second support to lift; the clamping mechanism is arranged on the second support and used for clamping the sand core. The core assembly device disclosed by the invention has ingenious structural design, each core assembly unit drives the sand core to move on the base, the height of the sand core is adjustable, the core assembly operation can be realized without the assistance of a crane, the automation degree is high, the production cost is effectively reduced, and the lifting safety risk is avoided; the station can be exchanged according to the requirement, the core assembly flexibility is high, the core assembly process is stable, and the intelligent casting production line is particularly suitable for intelligent casting production lines.

Description

Core assembling device, core assembling method and production line

Technical Field

The invention relates to the technical field of casting molding, in particular to a core assembly device with high automation degree, a core assembly method and a production line.

Background

The core assembly molding is a molding method for forming a casting mold by combining a plurality of sand cores, the common mode is to use a crane to lower the core assembly core in a sand box or use a crane to stack the core assembly from bottom to top, and both modes need to be assisted by a crane, so that potential safety hazards exist; and the crane can only hoist one sand core at a time, so that a plurality of sand cores can not be assembled at the same time, and the molding efficiency is low.

Disclosure of Invention

In view of the above, it is necessary to provide a core assembling device, a core assembling method, and a production line which are high in automation degree without using a crane assistance.

In order to solve the problems, the invention adopts the following technical scheme:

the embodiment of the invention discloses a core assembly device, which comprises: a base and a plurality of core assembly units arranged on the base; the core assembly unit comprises a first support, a second support, a sliding mechanism, a lifting mechanism and a clamping mechanism, wherein the first support is in sliding connection with the base through the sliding mechanism, and the second support is arranged above the first support; the lifting mechanism is arranged between the first support and the second support and used for driving the second support to lift; the clamping mechanism is arranged on the second support and used for clamping the sand core.

In one embodiment, the base is provided with a first sliding rail and a rack, the sliding mechanism comprises a first sliding seat, a rotating shaft, a sprocket assembly, a first gear and a first driving piece, and the first sliding seat is arranged at the bottom of the first support and forms a sliding pair with the first sliding rail; the rotating shaft is arranged at the bottom of the first support and is in driving connection with the first driving piece, the sprocket assembly is arranged on the rotating shaft, and the first gear is in rotating connection with the sprocket assembly and meshed with the rack; the first driving piece drives the rotating shaft to rotate, the sprocket assembly is driven by the first gear, and the first support is driven to slide on the base through rotation of the first gear.

In one embodiment, the sprocket assembly comprises a main wheel, an auxiliary wheel and a first chain, wherein the main wheel is arranged on the rotating shaft, the main wheel and the auxiliary wheel are connected in a linkage manner through the first chain, and the first gear is coaxially connected with the auxiliary wheel.

In one embodiment, the lifting mechanism comprises a second driving piece, an upper inclined block and a lower inclined block, two ends of the first support are respectively provided with a chute, each chute is internally provided with a lower inclined block in a sliding manner, two ends of the second support are respectively fixedly provided with an upper inclined block, the inclined surfaces of the upper inclined block and the lower inclined block are matched, and the second driving piece drives the lower inclined block to slide to drive the second support to lift.

In one embodiment, the lifting mechanism further comprises a second gear and a pull rod, wherein one pull rod is connected to each of opposite sides of the two lower inclined blocks, one end of the pull rod, which is away from the lower inclined blocks, is provided with a tooth part, and the second gear is arranged on the first support and is meshed with the tooth parts of the two pull rods; the second driving piece is in driving connection with the second gear.

In one embodiment, the clamping mechanism comprises a third driving piece and clamping parts which are respectively arranged at two ends of the second support in a sliding manner, and the third driving piece drives the two clamping parts to move towards each other or backwards.

In one embodiment, the clamping mechanism further comprises a driving gear, a follower gear and a second chain, wherein the driving gear and the follower gear are arranged on the second support and are in linkage connection through the second chain, and the third driving piece drives the driving gear to rotate so as to drive the second chain to rotate around the driving gear and the follower gear; one clamping part is provided with a first linkage part matched with the upper end part of the second chain, and the other clamping part is provided with a second linkage part matched with the lower end part of the second chain.

In one embodiment, a second sliding rail is arranged at the top of the second support, a second sliding seat is arranged at the bottom of the clamping part, and the second sliding seat and the second sliding rail form a sliding pair.

In a second aspect, the embodiment of the invention further discloses a core assembling method, which uses any of the core assembling devices, and specifically includes the following steps:

transferring and clamping a plurality of sand cores onto each core assembly unit respectively;

core assembling operation between the sand cores is performed by adjusting the relative positions between the core assembling units.

In a third aspect, an embodiment of the present invention further discloses a production line, including any of the core assembly devices described above.

The technical scheme adopted by the invention can achieve the following beneficial effects:

the core assembly device disclosed by the invention has ingenious structural design, each core assembly unit drives the sand core to move on the base, the height of the sand core is adjustable, the core assembly operation can be realized without the assistance of a crane, the automation degree is high, the production cost is effectively reduced, and the safety risk existing in lifting is avoided.

The core assembly device disclosed by the invention can be used for replacing stations according to the needs, has high core assembly flexibility and stable core assembly process, and is especially suitable for an intelligent casting production line.

Drawings

FIG. 1 is a schematic diagram of a core assembly device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a core assembly unit;

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

FIG. 4 is a combination diagram of the drive and transmission mechanisms of the core assembly unit;

FIG. 5 is a schematic view of a sliding mechanism;

FIG. 6 is an enlarged view of part B of FIG. 5;

FIG. 7 is a schematic view of a lifting mechanism;

FIG. 8 is an enlarged partial view of portion C of FIG. 7;

FIG. 9 is a schematic view of a clamping mechanism;

fig. 10 is a schematic diagram of the sprocket linkage part of the clamping mechanism.

Reference numerals illustrate:

100-base, 110-first slide rail, 120-rack;

200-core assembly units;

210-a sliding mechanism, 211-a first sliding seat, 212-a rotating shaft, 213-a sprocket assembly, 2131-a main wheel, 2132-an auxiliary wheel, 2133-a first chain and 214-a first gear;

220-a first support;

230-lifting mechanism;

231-a motor, 232-an upper inclined block, 233-a lower inclined block, 234-a second gear, 235-a pull rod, 236-a limiting component and 237-a speed reducer;

240-a second support;

250-clamping mechanism;

251-clamping part, 252-second sliding rail, 253-second sliding seat, 254-driving gear, 255-follower gear, 256-second chain, 2511-first linkage part, 2512-second linkage part;

300-tray;

400-sand core.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment of the invention, the moving direction of the core assembly unit on the base is front and back, the lifting moving direction of the sand core on the core assembly unit is up and down, and the moving direction of the core assembly unit is left and right when clamping the sand core.

The embodiment of the invention discloses a core assembly device, as shown in fig. 1 and 2, which comprises a base 100 and a plurality of core assembly units 200 movably arranged on the base 100, wherein each core assembly unit 200 can clamp a sand core 400 and drive the sand core to move so as to complete core assembly operation between the sand core and sand cores on other core assembly units.

Specifically, the core assembly unit 200 may include a sliding mechanism 210, a first support 220, a lifting mechanism 230, a second support 240, and a clamping mechanism 250 sequentially disposed from bottom to top, wherein the clamping mechanism 250 is disposed on top of the core assembly unit 200 and is used for clamping the sand core 400; the lifting mechanism 230 is disposed between the first support 220 and the second support 240, and is used for driving the second support 240 to lift and lower the sand core 400 clamped by the clamping mechanism 250; the sliding mechanism 210 is disposed at the bottom of the core unit 200, and is used for driving the first support 220 and all the components (including the sand core 400) thereon to slide on the base 100.

In the embodiment disclosed in the invention, as shown in fig. 1 to 4, the base 100 may be a frame structure fixed on the ground, the tops of the two side longitudinal frames are provided with the first sliding rail 110, the opposite sides of the two side longitudinal frames are provided with the racks 120, and the racks 120 and the first sliding rail 110 are arranged in parallel.

The sliding mechanism 210 may include first sliding bases 211, and the two first sliding bases 211 are respectively fixed at two ends of the first support 220 through square steel and form sliding pairs with the first sliding rail 110. The sliding mechanism 210 further includes a component for driving the first support 220 to slide on the first sliding rail 110, as shown in fig. 5 and 6, where the driving component may include a first driving member (not shown in the drawings), a rotating shaft 212, a sprocket assembly 213, and a first gear 214, the rotating shaft 212 is mounted on the bottom of the first support 220 through a mounting seat, two ends of the rotating shaft 212 are respectively provided with a set of sprocket assemblies 213, opposite sides of the two sets of sprocket assemblies 213 are respectively provided with the first gear 214, and the first gear 214 is meshed with the rack 120 on the base 100. The first driving member is connected to the rotating shaft 212, and drives the rotating shaft 212 to rotate, and drives the first gear 214 to rotate through the transmission action of the sprocket assembly 213, and further drives the first support 220 to slide on the first sliding rail 110 through the rack 120 meshed with the first gear 214.

Of course, the first driving member may be a manual driving member such as a rocker, or may be a motorized driving member such as a motor, so long as the rotating shaft 212 connected thereto is driven to rotate, which is not particularly limited in the embodiment of the present invention.

Further, the sprocket assembly 213 may include a sprocket seat, a main wheel 2131, an auxiliary wheel 2132 and a first chain 2133, the sprocket seat is mounted on the rotating shaft 212, the main wheel 2131 and the auxiliary wheel 2132 are both mounted in the sprocket seat, the main wheel 2131 and the rotating shaft 212 are coaxially arranged and can synchronously rotate, the auxiliary wheel 2132 is coaxially arranged and can synchronously rotate with the first gear 214, and the main wheel 2131 and the auxiliary wheel 2132 are connected in a linkage manner through the first chain 2133.

In the embodiment disclosed in the present invention, as shown in fig. 7 and 8, the lifting mechanism 230 may include a second driving member, an upper inclined block 232 and a lower inclined block 233, where the two upper inclined blocks 232 are symmetrically fixed at two ends of the second support 240 respectively, the two lower inclined blocks 233 are symmetrically and slidably disposed at two ends of the first support 220 respectively, the inclined planes of the upper inclined block 232 and the lower inclined block 233 may be identical and the inclined planes of the upper inclined block and the lower inclined block 233 are in contact, and the second driving member drives the two lower inclined blocks 233 to slide on the first support 220 in opposite directions or backward directions, and drives the second support 240 to perform lifting motion through the interaction of the inclined planes of the upper inclined block and the lower inclined block. Preferably, a dovetail groove can be arranged at the inclined surface of the upper inclined block 232, correspondingly, a dovetail protrusion can be arranged at the inclined surface of the lower inclined block 233, and the dovetail protrusion is arranged in the dovetail groove and is in limit fit with the dovetail groove.

Further, both ends of the first support 220 may be provided with a sliding groove, in which a sliding member is provided, to which the lower inclined block 233 is connected.

In the embodiment disclosed in the present invention, the lifting mechanism 230 may further include a second gear 234 and two pull rods 235, each pull rod 235 is connected to one of the lower inclined blocks 233, one end of each pull rod 235 facing away from the lower inclined block 233 connected thereto is provided with a tooth portion, the second gear 234 is disposed between the two tooth portions, and the second gear 234 is meshed with the two tooth portions. The motor 231 is used as a second driving piece and is in driving connection with the second gear 234 through the speed reducer 237, the motor 231 drives the second gear 234 to rotate, and the two pull rods 235 are driven to synchronously move in opposite directions or in opposite directions through the tooth parts meshed with the second gear 234, so that the lower inclined blocks 233 connected with the two pull rods are further driven to synchronously slide in opposite directions or in opposite directions on the first support 220.

Further, a limiting member 236 may be further disposed on a side of the pull rod 235 facing away from the teeth portion thereof, so as to prevent the pull rod 235 from shaking back and forth to be separated from the engagement range of the second gear 234. Preferably, the stop member 236 may be a cam follower.

Of course, the second driving member may be a manual driving member such as a rocker, or may be a motorized driving member such as a motor, so long as the second gear 234 connected thereto is driven to rotate, which is not particularly limited in the embodiment of the present invention.

In the embodiment disclosed in the present invention, as shown in fig. 9 and 10, the clamping mechanism 250 may include a third driving member (not shown) and two clamping portions 251 respectively disposed at two ends of the second support 240, where the third driving member drives the two clamping portions 251 to move toward each other to clamp the sand core 400 therebetween, and the third driving member drives the two clamping portions 251 to move away from each other to release the sand core 400. Specifically, each clamping part 251 may include a clamping plate and square steel fixedly connected to the bottom of the clamping plate, the length of the square steel may be smaller than that of the clamping plate, the inner side end of the clamping plate is provided with a protruding end, the sand core 400 may be provided with clamping features corresponding to the protruding end, the protruding end may be used for clamping the sand core 400 left and right, and the upper surface of the clamping plate is used for supporting the sand core 400. The bottom of the square steel is provided with a second sliding seat 253, two ends of the second support 240 are respectively provided with a section of second sliding rail 252 matched with the second sliding seat 253, and the second sliding rail 252 and the second sliding seat 253 form a sliding pair so that the two clamping plates slide in opposite directions or back directions.

Further, a supporting table is disposed between the two second sliding rails 252, as shown in fig. 1, the supporting tables of the plurality of core assembling units 200 cooperate to support the pallet 300 transported from the upper order, so that core assembling operation can be performed on the pallet 300 and the assembled sand cores 400 and the pallet 300 can be transported to the lower order together.

In the embodiment disclosed in the present invention, the clamping mechanism 250 further includes a linkage portion for driving the two clamping portions 251 to move synchronously in opposite directions or in opposite directions in cooperation with the third driving member. Specifically, the linkage part may include a driving gear 254, a follower gear 255, and a second chain 256, wherein the driving gear 254 is disposed at one end of the second support 240 through a driving shaft, and the driving shaft is in driving connection with the third driving member; the follower gear 255 is disposed at the other end of the second support 240 through a central shaft, and a bearing is disposed between the follower gear 255 and the central shaft; a second chain 256 is wound around the drive gear 254 and the follower gear 255. The third driving member drives the driving gear 254 to rotate, and the follower gear 255 rotates synchronously under the linkage of the second chain 256.

Further, the linkage further includes a first linkage member 2511 connected to the left grip portion and a second linkage member 2512 connected to the right grip portion, wherein the first linkage member 2511 has mating features that mate with the upper end of the second chain 256 and the second linkage member 2512 has mating features that mate with the lower end of the second chain 256.

When the driving gear 254 rotates clockwise, the second chain 256 rotates clockwise around the driving gear 254 and the following gear 255 to drive the first linkage member 2511 to move rightward, and the second linkage member 2512 moves leftward synchronously, that is, the two clamping parts 251 move in opposite directions, so as to clamp the sand core 400; when the driving gear 254 rotates counterclockwise, the second chain 256 rotates counterclockwise around the driving gear 254 and the follower gear 255, driving the first linkage 2511 to move leftward, and the second linkage 2512 moves rightward synchronously, i.e., the two clamping portions 251 move opposite to each other, to release the sand core 400.

Of course, the third driving member may be a manual driving member such as a rocker, or may be a motorized driving member such as a motor, so long as the driving gear 254 connected thereto is driven to rotate, which is not particularly limited in the embodiment of the present invention.

In a second aspect, an embodiment of the present invention further discloses a core assembling method, using the core assembling device described in any of the foregoing embodiments. Taking two sand cores as examples, the core assembly method specifically comprises the following steps:

s1, transferring a tray to a core assembly device by an upper tray line;

s2, respectively transferring the two sand cores to two adjacent core assembly units by an upper sand core transferring device;

s3, synchronously or step-by-step starting third driving parts of the two core assembly units to respectively clamp the sand cores;

s4, synchronously or step-by-step starting a first driving piece and/or a second driving piece of the two core assembly units, and adjusting the relative position between the two core assembly units, namely, adjusting the front and back and/or upper and lower positions between the two sand cores to complete core assembly operation of the two sand cores;

s5, transporting the tray and the sand core completed by the core assembly to the next step.

In a third aspect, the embodiment of the present invention further discloses an intelligent casting production line, where the core assembly device according to any of the foregoing embodiments is disposed as a core assembly portion on the production line.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A core assembly, comprising: a base and a plurality of core assembly units arranged on the base;

the core assembly unit comprises a first support, a second support, a sliding mechanism, a lifting mechanism and a clamping mechanism, wherein the first support is in sliding connection with the base through the sliding mechanism, and the second support is arranged above the first support; the lifting mechanism is arranged between the first support and the second support and used for driving the second support to lift; the clamping mechanism is arranged on the second support and used for clamping the sand core.

2. The core assembly of claim 1, wherein the base is provided with a first slide rail and a rack, the sliding mechanism comprises a first slide seat, a rotating shaft, a sprocket assembly, a first gear and a first driving piece, and the first slide seat is arranged at the bottom of the first support and forms a sliding pair with the first slide rail; the rotating shaft is arranged at the bottom of the first support and is in driving connection with the first driving piece, the sprocket assembly is arranged on the rotating shaft, and the first gear is in rotating connection with the sprocket assembly and meshed with the rack;

the first driving piece drives the rotating shaft to rotate, the sprocket assembly is driven by the first gear, and the first support is driven to slide on the base through rotation of the first gear.

3. The core assembly of claim 2, wherein the sprocket assembly comprises a main wheel, an auxiliary wheel and a first chain, the main wheel is disposed on the rotating shaft, the main wheel and the auxiliary wheel are connected in linkage through the first chain, and the first gear is coaxially connected with the auxiliary wheel.

4. The core assembly device according to claim 1, wherein the lifting mechanism comprises a second driving member, an upper inclined block and a lower inclined block, two ends of the first support are respectively provided with a sliding groove, a lower inclined block is slidably arranged in each sliding groove, two ends of the second support are respectively fixedly provided with an upper inclined block, the inclined surfaces of the upper inclined block and the lower inclined block are matched, and the second driving member drives the lower inclined block to slide so as to drive the second support to lift.

5. The core assembly of claim 4, wherein the lifting mechanism further comprises a second gear and a pull rod, one pull rod is connected to each of opposite sides of the two lower inclined blocks, one end of the pull rod, which faces away from the lower inclined blocks, is provided with a tooth part, and the second gear is arranged on the first support and is meshed with the tooth parts of the two pull rods; the second driving piece is in driving connection with the second gear.

6. The core assembly of claim 1, wherein the clamping mechanism includes a third driving member and clamping portions slidably disposed at both ends of the second support, respectively, and the third driving member drives the two clamping portions to move toward or away from each other.

7. The core assembly of claim 6, wherein the clamping mechanism further comprises a drive gear, a follower gear and a second chain, the drive gear and the follower gear being disposed on the second support and being coupled by the second chain, the third drive member driving the drive gear to rotate and the second chain to rotate about the drive gear and the follower gear;

one clamping part is provided with a first linkage part matched with the upper end part of the second chain, and the other clamping part is provided with a second linkage part matched with the lower end part of the second chain.

8. The core assembly of claim 6, wherein a second slide rail is provided at a top of the second support, a second slide carriage is provided at a bottom of the clamping portion, and the second slide carriage and the second slide rail form a sliding pair.

9. Core assembly method, characterized in that a core assembly device according to any of claims 1 to 8 is used, comprising the steps of:

transferring a plurality of sand cores to each core assembly unit respectively and clamping;

core assembling operation between the sand cores is performed by adjusting the relative positions between the core assembling units.

10. A production line comprising a core assembly as claimed in any one of claims 1 to 8.