CN210548042U - Rotary positioning system and automatic mold taking device - Google Patents

Abstract

The utility model discloses a rotary positioning system and automatic mold taking device, the rotary positioning system comprises a fixed seat and a rotary positioning structure, the fixed seat is fixedly arranged on the opening of the combustion chamber shell, the rotary positioning structure is arranged between the fixed seat and a main mounting seat, the main mounting seat is rotatably arranged on the fixed seat, the rotary positioning structure is used for indicating the main mounting seat to rotate to the position where a picking arm corresponds to one of the charge core molds, the rotary positioning structure is arranged so as to facilitate the automatic mold taking device to perform demolding on all the charge core molds a distributed in the combustion chamber shell, and has better effect, after the mold taking and demolding of one charge core mold are completed, the main mounting seat is rotated to the position where the other charge core mold corresponds, so that the mold taking and demolding can be performed on the other charge core mold, the mold taking and demolding can be performed on the charge core mold in the whole engine combustion chamber shell, and the automatic demolding of the charge can be realized, the direct participation of manpower is reduced, the risk of the operation environment is reduced, and the production efficiency is improved.

Description

Rotary positioning system and automatic mold taking device

Technical Field

The utility model relates to an engine powder charge casting technical field, in particular to rotational positioning system and automatic mold extraction device.

Background

The charge core mold is used for forming the charge column of the engine combustion chamber, in the prior art, the charge core mold in a large-scale engine is demoulded manually, related workers enter the cavity of the engine and demould by prying the demould by using an auxiliary tool, and the demould mode has large potential safety hazard and low demoulding efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the traditional demoulding mode of the charge core mould, the applicant provides an automatic mould taking device to realize the automatic mould taking and demoulding of the charge core mould, however, how to realize the automatic demoulding of a plurality of charge core moulds in the circumferential direction of a combustion chamber is a problem to be solved urgently.

To achieve the above object, the present invention provides a rotational positioning system, including:

a fixing seat fixedly mounted to an opening of the combustion chamber housing; and the number of the first and second groups,

and the rotary positioning structure is arranged between the fixed seat and the main mounting seat and used for indicating the main mounting seat to rotate to the position of one charge core mold corresponding to the picking arm.

Optionally, the rotational positioning structure comprises a rotational indicating assembly comprising:

the indicating scale bars are formed on the fixed seat and are distributed along the circumferential direction of the fixed seat; and the number of the first and second groups,

the indication arrow sheet is fixedly arranged on the main mounting seat;

wherein the main mount is rotated under an external force to rotate the main mount to a position where the pick arm corresponds to one of the charge mandrels.

Optionally, the rotational positioning structure further includes a limit locking device, and the limit locking device includes:

the locking seat is arranged on the fixed seat;

the locking rod extends up and down, and the lower end of the locking rod is hinged to the locking seat; and the number of the first and second groups,

the locking head is arranged at the upper end of the locking rod, and a locking surface arranged downwards is formed on the side surface of the locking head;

when the main mounting seat is locked with the fixing seat, the locking surface is tightly abutted to the upper end surface of the main mounting seat.

Optionally, the limiting and locking device is provided in plurality and is arranged along the circumferential direction of the fixed seat at intervals.

Optionally, the rotational positioning structure comprises:

the rotary gear ring is fixedly sleeved to the outer side of the main mounting seat along the vertical axis;

the driving main gear is rotatably arranged on the fixed seat along the vertical axis and is meshed with the rotary gear rim; and the number of the first and second groups,

the rotary driving motor assembly is arranged on the fixed seat and is in driving connection with the driving main gear;

the rotary driving motor assembly drives the driving main gear to rotate so as to drive the rotary gear to rotate.

Optionally, a swing arm mounting seat is movably mounted on the main mounting seat along the vertical direction;

the rotary positioning system further comprises a visual recognition device, wherein the visual recognition device comprises a recognition camera arranged at the lower end of the swing arm mounting seat and is used for recognizing the position of the charge core mold to be picked up.

Optionally, the identification cameras are arranged in a plurality of numbers, and the identification cameras jointly form an identification area, and the identification area at least covers the charge core molds.

The utility model discloses still provide an automatic change delivery device, automatic change delivery device includes rotational positioning system, rotational positioning system includes:

a fixing seat fixedly mounted to an opening of the combustion chamber housing; and the number of the first and second groups,

and the rotary positioning structure is arranged between the fixed seat and the main mounting seat and used for indicating the main mounting seat to rotate to the position of one charge core mold corresponding to the picking arm.

Optionally, the swing arm installation seat further comprises a picking and moving swing arm mechanism, the picking and moving swing arm mechanism comprises:

the swing driving device is arranged on the swing arm mounting seat;

the driving arm is positioned below the swing driving device, the upper end of the driving arm is in driving connection with the swing driving device, the middle position of the driving arm is hinged to the swing arm mounting seat, and the lower end of the driving arm is hinged to the upper end of the picking arm; and the number of the first and second groups,

and the follow-up arm is positioned below the driving arm, the upper end of the follow-up arm is hinged to the swing arm mounting seat, and the lower end of the follow-up arm is hinged to the lower end of the picking arm.

Optionally, the upper end of the driving arm is formed with a curved tooth structure, and the swing driving device includes:

the swing driving motor assembly is arranged on the swing arm mounting seat; and the number of the first and second groups,

swing arm drive gear, along the level to the axis rotate install in the swing arm mount pad, and with swing driving motor subassembly drive is connected, swing arm drive gear with cambered surface profile of tooth structure external toothing is in order to drive the initiative arm swing, be used for driving the arm removal of picking up.

The technical scheme of the utility model in, rotatory location structure is used for instructing main mount pad is rotatory extremely pick up that the arm corresponds one of them the position department of powder charge mandrel, work as one after powder charge mandrel drawing of patterns and drawing of patterns are accomplished, it is rotatory main mount pad to another the position department that powder charge mandrel corresponds can be to another the powder charge mandrel carries out the drawing of patterns and the drawing of patterns, can be to whole the powder charge mandrel in the engine combustion chamber casing carries out the drawing of patterns and the drawing of patterns, has realized promptly the automatic drawing of patterns of powder charge mandrel has reduced artifical direct participation, has reduced operation environment risk, has improved production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an engine combustion chamber equipped with a charge core mold, which is applied to an automatic mold removal device provided by the present invention;

FIG. 2 is a schematic perspective view of the charge core of FIG. 1;

fig. 3 is a schematic perspective view of an embodiment of an automatic mold removing device provided by the present invention;

FIG. 4 is a schematic perspective view of the pickup translation assembly (at an angle) of FIG. 3;

FIG. 5 is a schematic perspective view of the pick arm of FIG. 3;

FIG. 6 is a schematic perspective view of the active arm of FIG. 3;

FIG. 7 is a schematic perspective view of the pick-up translator assembly of FIG. 3 (at another angle);

FIG. 8 is an enlarged view of detail A of FIG. 7;

FIG. 9 is a schematic perspective view of one embodiment of the assembly of the pick-up lift assembly and the rotational positioning structure of FIG. 3;

FIG. 10 is a perspective view of the drive nut of FIG. 9 assembled with a second synchronizing wheel;

FIG. 11 is a schematic perspective view of another embodiment of the assembly of the picking lift assembly and the rotational positioning structure of FIG. 3;

FIG. 12 is an enlarged view of detail B of FIG. 11;

FIG. 13 is a schematic perspective view of the locking device of FIG. 11;

figure 14 is a schematic perspective view of the charge core mold picked by the pick translation assembly of figure 3;

figure 15 is a schematic perspective view of the pick translation assembly of figure 3 with the pick charge core mold translated to an intermediate position of the pick translation assembly;

fig. 16 is a schematic perspective view of the picking translation assembly picking charge core mold of fig. 3 moving up to the outside of the housing of the engine combustor.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. 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.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The charge core mold is used for forming the charge column of the engine combustion chamber, in the prior art, the charge core mold in a large-scale engine is demoulded manually, related workers enter the cavity of the engine and demould by prying the demould by using an auxiliary tool, and the demould mode has large potential safety hazard and low demoulding efficiency.

In view of this, the present invention provides an automatic mold removing device, wherein fig. 3 to 16 are schematic structural views of an embodiment of the automatic mold removing device provided by the present invention, the automatic demoulding device provided by the utility model can realize the automatic demoulding of the medicine charging core mould, the engine combustion chamber and charge core are configured as shown in fig. 1-2, the engine combustion chamber includes a combustion chamber housing b, the upper end of the combustion chamber shell is arranged in an opening, the inner cavity of the combustion chamber comprises a demoulding channel which is arranged in the middle of the combustion chamber shell and is communicated with the opening, and a medicine loading cavity which is arranged around the demoulding channel, a plurality of laid along circumference in the engine combustion chamber casing charge mandrel a, the utility model provides an automatic mould device of getting can be with a plurality of charge mandrel a follows in proper order take out to the external world in the engine combustion casing b.

The plurality of charge core molds a are arranged at intervals along the circumferential direction of the combustion chamber, the automatic mold taking device 100 provided by the utility model can also take and demold other charge core molds a after taking and demolding one charge core mold a, specifically, please refer to fig. 9 to 13, the rotary positioning system 3 comprises a fixing seat 31 and a rotary positioning structure 32, the fixing seat 31 is fixedly installed on the opening of the combustion chamber shell b, the rotary positioning structure 32 is arranged between the fixing seat 31 and the main installation seat 1, the main installation seat 1 is rotatably installed on the fixing seat 31, the rotary positioning structure 32 is used for indicating the main installation seat 1 to rotate to the position where the pick-up arm 2a corresponds to one of the charge core molds a, so that the automatic mold taking device 100 demolds all charge core molds a arranged in the combustion chamber shell b, has better effect.

The technical scheme of the utility model in, rotational positioning structure 32 is used for instructing main mount pad 1 is rotatory extremely pick up arm 2a and correspond one of them powder charge mandrel a's position department, work as one powder charge mandrel drawing of patterns and drawing of patterns are accomplished after, it is rotatory main mount pad 1 to another position department that powder charge mandrel a corresponds can be to another powder charge mandrel a carries out drawing of patterns and drawing of patterns, can be to whole powder charge mandrel a in the engine combustion chamber casing b carries out drawing of patterns and drawing of patterns, has realized promptly powder charge mandrel a's automatic drawing of patterns has reduced artifical direct participation, has reduced operation environment risk, has improved production efficiency.

Referring to fig. 3, the automatic mold taking device 100 includes a main mounting base 1, a picking arm 2a and a picking moving assembly 2, the main mounting base 1 is configured to be mounted to an opening of the combustion chamber housing b, the picking arm 2a is mounted to the main mounting base 1, the picking moving assembly 2 is disposed on the main mounting base 1, and the picking moving assembly 2 is drivingly connected to the picking arm 2a, so that the picking arm 2a extends into the demolding passage from the opening, picks up the core mold charge a exposed from the charge cavity into the demolding passage, and moves the picked charge core mold a out of the combustion chamber housing b.

The utility model provides an among the technical scheme, pick up and remove subassembly 2 drive pick up arm 2a certainly the opening stretches into extremely in the drawing of patterns passageway, pick up certainly the powder charge chamber shows extremely powder charge mandrel a in the drawing of patterns passageway, and will pick up after powder charge mandrel a shifts out extremely the outside of combustion chamber casing b has realized promptly powder charge mandrel a's automatic drawing of patterns has reduced artifical direct participation, has reduced operation environment risk, has improved production efficiency.

In the technical solution of the present invention, the picking-up manner of the picking-up arm 2a for picking up the charge core mold a is not limited, for example, the charge core mold a may be fixed by magnetic attraction, specifically, in this embodiment, please refer to fig. 2 and 5, the charge core mold a includes a connecting end exposed to the inside of the demolding channel, the inner side surface of the connecting end is the picked-up side, at least two fixing slots 10 are disposed on the side surface of the picked-up side at intervals in the up direction, one side of the picking-up arm 2a corresponding to the picked-up side is the mounting side, a picking-up fixing structure is disposed on the mounting side, the picking-up fixing structure includes two fixing posts 21 disposed on the mounting side corresponding to the two fixing slots 10, the two fixing posts 21 are respectively used for limiting and mounting in the two fixing slots 10, so that the picking-up arm 2a picks up, through the fixing mode of the two fixing columns 21 and the two fixing grooves 10, the structure is simple, and the picking arm 2a and the charge core mold a are fixed conveniently.

The specific fixing manner of the fixing posts 21 and the fixing slots 10 is also the content of the present invention, specifically, each fixing slot 10 extends along the vertical direction, the fixing slot 10 includes an upper slot section 101 and a lower slot section 103 located below the upper slot section 101, a stopper 102 is convexly disposed on the upper wall surface of the upper slot section 101, a limiting space is formed between the stopper 102 and the bottom wall of the upper slot section 101, a notch communicating with the lower end surface of the stopper 102 is disposed on the inner side surface of the stopper 102, each fixing post 21 includes a first fixing post section and a second fixing post section which are sequentially distributed along the direction away from the installation side, the diameter of the second fixing post section is larger than that of the first fixing post section, the picking arm 2a moves horizontally to make the second fixing post section enter the lower slot section 103 and then moves upward, the second fixed column segment is installed in the limit space in a limit way, the fixed column 21 is well fixed with the charge core mold a by the movement of the picking arm 2a so as to be picked up, and of course, after the charge core mold a is moved to the outer side of the engine combustion chamber shell b, the picking arm 2a moves downwards first and moves towards the center of the automatic mold taking device 100 in the horizontal direction so as to separate the picking arm 2a from the charge core mold a.

Further, in order to firmly fix the pick-up arm 2a and the charge core mold a, in an embodiment of the present invention, a positioning hole 20 is further disposed on a side surface of the picked-up side, the pick-up fixing structure further includes a positioning pin 22 detachably mounted on the mounting side, so that when the fixing post 21 is limited in the limiting space, the positioning pin 22 is fixedly mounted in the positioning hole 20, the positioning pin 22 limits the up-and-down relative movement between the fixing post 21 and the fixing groove 10, and the limit block 102 limits the horizontal movement between the fixing post 21 and the fixing groove 10, so that the charge core mold a is more firmly fixed to the pick-up arm 2a, and a better effect is achieved.

It should be noted that the present invention is not limited to the detachable installation manner of the positioning pin 22, for example, can be in a threaded connection mode, a shaft clamping limiting mode and the like, and further, the picking and fixing structure also comprises a spring sleeved on the positioning pin 22, so that the positioning pins 22 are movably mounted to the mounting side, so that during the movement of the pick-up arm 2a, the positioning pin 22 can automatically enter the positioning hole 20, so that the positioning fit is realized, and the positioning device has a better effect, in addition, in order to facilitate the installation of the spring, the pick-up arm 2a comprises a pick-up arm 2a body and an installation bulge 21a convexly arranged on the side surface of the pick-up arm 2a body, the positioning pin 22 is disposed on the mounting protrusion 21a, so that the pick-up arm 2a has better structural strength and better effect.

Furthermore, the positioning hole 20 is located between the two fixing slots 10 along the up-down direction, and similarly, the positioning pin 22 is located between the two fixing posts 21 along the up-down direction, so that two fixing points are distributed between the positioning points, and the picking arm 2a is easier to be automatically fixed with the charge core mold a, which has a better effect.

Additionally, in the embodiment of the utility model, the fixed column section of second is kept away from the tip of the one end of installation side is the chamfer setting, locating pin 22 is kept away from the tip of the one end of installation side is the chamfer setting, and two kinds of above set up the mode of chamfer, can the alternative select, also can select simultaneously, certainly, set up the mode of chamfer simultaneously, make fixed column 21 gets into better fixed slot 10, locating pin 22 gets into better locating hole 20 has better effect.

It should be noted that, due to the characteristics of the charge core mold a, the charge core mold a can only horizontally move to separate from the charge form when taking out the mold, and then is transferred to the outer side of the combustion chamber housing b, and when moving up and down, the formed charge form can be damaged, the present invention does not limit the specific implementation form of the picking and moving assembly 2, for example, the picking and moving assembly can be a form driven by a multi-degree-of-freedom mechanical arm, the mechanical arm drives the picking arm 2a to enter the combustion chamber housing b to pick up the charge core mold a, in the embodiment of the present invention, please refer to fig. 3, the picking and moving assembly 2 includes a picking and moving assembly 23 and a picking and lifting assembly 24, the picking and moving assembly 23 is mounted to the main mounting seat 1, the picking and moving assembly 23 is drivingly connected with the picking arm 2a to horizontally move the picked charge core mold a to the middle position of the demolding channel, the picking and lifting assembly 24 is mounted to the main mounting base 1, the picking and lifting assembly 24 is used for translating the charge core mold a in the middle position of the demolding channel upwards to the outer side of the combustion chamber shell b, the picking and translating assembly 23 achieves translational demolding, the picking and lifting assembly 24 achieves moving the charge core mold a to the outer side of the combustion chamber shell b, and the picking and translating assembly 23 and the picking and lifting assembly 24 achieve demolding of the charge core mold a together, so that the picking and lifting assembly has a good effect.

Specifically, referring to fig. 3 and 4, the picking translation assembly 23 includes a swing arm mounting seat 231 and a picking moving swing arm mechanism 232, the swing arm mounting seat 231 is drivingly connected to the picking lifting assembly 24, the swing arm mounting seat 231 is movably mounted to the main mounting seat 1 in the up-down direction, the picking moving swing arm mechanism 232 is disposed on the swing arm mounting seat 231, wherein the swing arm mounting seat 231 is movable in the up-down direction, and meanwhile, the picking moving swing arm mechanism 232 swings to drive the picking arm 2a to pick up the charge core mold a and translate the charge core mold a to the middle position of the demolding channel, and the picking arm 2a can be translated by controlling the distance of the swing arm mounting seat 231 moving in the up-down direction and controlling the swing stroke of the picking moving swing arm mechanism 232, so as to achieve a better effect.

The picking movement swing arm mechanism 232 mainly realizes the swing of the picking arm 2a, specifically, the picking movement swing arm mechanism 232 includes a swing driving device 2321, a driving arm 2322 and a following arm 2323, the swing driving device 2321 is disposed on the swing arm mounting seat 231, the driving arm 2322 is located below the swing driving device 2321, the driving arm 2322 is connected to the swing driving device 2321 in a driving manner at its upper end, is mounted to the swing arm mounting seat 231 in a hinged manner at its middle position, is mounted to the upper end of the picking arm 2a at its lower end, the following arm 2323 is located below the driving arm 2322, the following arm 2323 is mounted to the swing arm mounting seat 231 in a hinged manner at its upper end, is mounted to the lower end of the picking arm 2a in a hinged manner at its lower end, and the swing arm driving device drives the upper end of the driving arm 2322 to realize the movement of driving the picking arm 2a, has better effect.

In order to make the upper and lower ends of the pick-up arm 2a have uniform motion effect, in an embodiment of the present invention, the driving arm 2322 includes a first hinge portion at a middle position thereof and a second hinge portion at a lower end thereof, a distance between centers of the first hinge portion and the second hinge portion is L1, the following arm 2323 includes a third hinge portion at an upper end thereof and a fourth hinge portion at a lower end thereof, the third hinge portion is located below the first hinge portion along an up-down direction, a distance between centers of the third hinge portion and the fourth hinge portion is L2, and L1 is L2, which are arranged such that the upper and lower ends of the pick-up arm 2a have the same linear velocity, and the motion effect uniformity is good.

The present invention does not limit the specific manner of driving the driving arm 2322 by the swing arm driving device, for example, a link mechanism may be adopted, and in an embodiment of the present invention, referring to fig. 4, fig. 6 and fig. 7, the upper end of the driving arm 2322 is formed with a curved tooth structure, the swing driving device 2321 includes a swing driving motor assembly 23211 and a swing arm driving gear 23212, the swing driving motor assembly 23211 is disposed on the swing arm mounting seat 231, the swing arm driving gear 23212 is rotatably mounted on the swing arm mounting seat 231 along the horizontal axis and is in driving connection with the swing driving motor assembly 23211, the swing arm driving gear 23212 is externally engaged with the curved tooth structure to drive the driving arm 2322 to swing so as to drive the picking arm 2a to move, and a gear transmission manner is adopted, so that the transmission precision is high, and the swing angle of the driving arm 2322 can be accurately controlled, has better effect.

Further, in order to limit the swing stroke of the driving arm 2322, in an embodiment of the present invention, the picking and moving swing arm mechanism 232 further includes a swing limiting structure 2324, the swing limiting structure 2324 includes a limiting pin 23241 and an arc limiting groove 23242, the limiting pin 23241 is disposed on a side surface of the driving arm 2322 opposite to the second mounting plate 2312, the limiting pin 23241 forms a swing track along with the swing of the driving arm 2322, the arc limiting groove 23242 is disposed on a side surface of the second mounting plate 2312 opposite to the driving arm 2322, the arc limiting groove 23242 is disposed corresponding to the limiting pin 23241, and the extending track of the arc limiting groove 23242 is adapted to the swing track, wherein the limiting pin 23241 is installed in the arc limiting groove 23242 in a limiting manner, and the cooperation between the arc limiting groove 23242 and the limiting pin 23241 achieves a mechanical limiting effect, the transitional swing of the driving arm 2322 is avoided, when the charge core mold a is picked up, the charge core mold a moves in the charge cavity to disturb the charge shape in the charge cavity, and the charge core mold has a good effect.

Specifically, the driving arm 2322 includes two connecting plates 23221 and a swing arm head 23222, the two connecting plates 23221 extend in the vertical direction, the two connecting plates 23221 are arranged at an interval, the swing arm head 23222 is arranged at the upper ends of the two connecting plates 23221, and the arc-shaped tooth profile structure is formed on the upper end face of the swing arm head 23222, so that the arrangement is convenient for the arrangement of the arc-shaped tooth profile structure, and the driving arm 2322 has better structural strength.

In addition, the swing arm mounting seat 231 includes a first mounting plate 2311 extending horizontally and two second mounting plates 2312 extending vertically and arranged at the lower end of the first mounting plate 2311, the two second mounting plates 2312 are arranged oppositely, a mounting space is formed between the two second mounting plates 2312, the driving arm 2322 and the driven arm 2323 are both hinged to the second mounting plates 2312, and the hinged ends of the driving arm 2322 and the driven arm 2323 are both located in the mounting space.

In this embodiment, the opening of the combustion chamber casing b is a tapered opening, and it is necessary to move the charge core mold a to a position in the middle of the ejection passage, in the case of the pick-up moving swing arm mechanism 232, after the driving arm 2322 and the following arm 2323 are swung to the middle position of the mold-release passage, the swinging path of the following arm 2323 will have two different paths, one of the paths is that the motion paths of the following arm 2323 and the driving arm 2322 are the same, the other is that the motion paths of the following arm 2323 and the driving arm 2322 are different (refer to the relevant link mechanical principle), in order to make the swing path of the following arm 2323 the same as that of the driving arm 2322, in the embodiment of the present invention, a synchronization limit structure 233 is provided on the pickup moving swing arm mechanism 232 to limit the swing path of the follower arm 2323 to be the same as that of the main arm 2322.

Specifically, referring to fig. 7 and 8, a first rotating shaft is disposed at a middle position of the driving arm 2322, the first rotating shaft is rotatably mounted in the mounting space, the first rotating shaft has a first mounting end located outside the mounting space, a second rotating shaft is disposed at an upper end of the follower arm 2323, the second rotating shaft is rotatably mounted in the mounting space, the second rotating shaft has a second mounting end located outside the mounting space, and the second mounting end and the first mounting end are located at a same side of the mounting space, the automatic mold taking device 100 further includes a synchronization limiting structure 233, the synchronization limiting structure 233 includes two synchronization gears 2331 and a rack structure 2332, the two synchronization gears 2331 are respectively disposed at the first mounting end and the second mounting end and respectively rotate coaxially with the first rotating shaft and the second rotating shaft, the rack structure 2332 is movably mounted on the second mounting plate 2312 in the up-down direction, a straight-surface tooth-shaped structure is formed on the rack structure 2332, and the straight-surface tooth-shaped structure is meshed with the two synchronizing gears 2331, so that the two synchronizing gears 2331 synchronously rotate, and the arrangement is such that the driving arm 2322 and the follower arm 2323 synchronously swing, and when the follower arm 2323 passes through the middle position of the demolding passageway, the swing path of the follower arm 2323 and the driving arm 2322 is consistent, so that a good effect is achieved.

The rack structure 2332 is conveniently meshed with two synchronizing gears 2331, in an embodiment of the present invention, the rack structure 2332 includes two rack segments 23321, two rack segments 23321 are arranged corresponding to two synchronizing gears 2331, the straight-face tooth-shaped structure includes a straight-face tooth shape separately arranged on two rack segments 23321, the synchronizing limiting structure 233 further includes an adjustable connecting segment arranged between two rack segments 23321 for connecting two rack segments 23321, and the adjustable connecting segment can conveniently realize that two rack segments 23321 are respectively meshed with the corresponding synchronizing gears 2331, so as to suitably weaken the installation accuracy of two synchronizing gears 2331, and have a good effect.

In addition, in view of the stability of the structure, in the embodiment of the present invention, along the thickness direction of the rack segment 23321, the tooth profile structure on the rack segment 23321 includes two outer straight-face tooth profiles arranged at intervals, correspondingly, along the axial direction of the synchronizing gear 2331, the outer side face of the synchronizing gear 2331 corresponds to two outer straight faces provided with two outer gear rings, and through the two-layer tooth profile matching structure, the matching between the synchronizing gear 2331 and the rack is more stable and firm.

In the swinging process of the driving arm 2322, the rack structure 2332 needs to move up and down, in order to enable the rack structure 2332 to move up and down and limit in other directions, in the embodiment of the present invention, the synchronous limiting structure 233 further includes a limiting strip 2333 and a moving limiting structure, the limiting strip 2333 extends up and down, the limiting strip 2333 is fixedly connected to the rack structure 2332, and the moving limiting structure is used for limiting the limiting strip 2333, so that the limiting strip 2333 is movably mounted on the swing arm mounting seat 231 up and down, the rack structure 2332 is movably mounted on the swing arm mounting seat 231 up and down, and the rack structure 2332 is indirectly limited by limiting the limiting strip 2333, thereby having a better effect.

Specifically, along the width direction of the rack structure 2332, the limiting bar 2333 and the rack structure 2332 are arranged in parallel, the synchronization limiting structure 233 further comprises an adjustable connecting section arranged between the rack structure 2332 and the limiting bar 2333, the adjustable connecting section is used for connecting the rack structure 2332 and the limiting bar 2333, the rack structure 2332 and the limiting bar 2333 are fixedly connected through the adjustable connecting section, further, two adjustable connecting sections are arranged between the rack structure 2332 and the limiting bar 2333, the two adjustable connecting sections are respectively arranged at the upper end and the lower end of the limiting bar 2333, the limiting bar 2333 and the rack structure 2332 form a frame structure, and the connecting structure is more stable and reliable.

The adjustable connecting section can well realize the connection between two connecting pieces, and specifically, the adjustable connecting section comprises two connecting nuts 23322 and a connecting screw 23323, the two connecting nuts 23322 are respectively arranged between the two rack sections 23321 or the rack structure 2332 and the limit strip 2333, the rotation directions of the two connecting nuts 23322 are opposite, the connecting screw 23323 includes a first screw section and a second screw section distributed along the axial direction thereof, the screw thread directions of the first screw section and the second screw section are opposite, and the first screw section is correspondingly connected to the inside of the connecting nut 23322 which has the same screw direction as the first screw section, the second screw section is correspondingly connected to a connecting nut 23322 having the same rotation direction as the second screw section, and the distance between the two connecting members can be easily adjusted by rotating the connecting screw 23323 in the opposite direction.

Specifically, a limiting groove 23331 extending vertically is formed in a surface of one side of the limiting strip 2333 facing the rack structure 2332, the movement limiting structure includes a limiting guide wheel structure 2334, the limiting guide wheel structure 2334 includes a mounting shaft 23341 and a guide wheel 23342, the mounting shaft 23341 is disposed on the second mounting plate 2312, an axis of the mounting shaft 23341 extends horizontally, the guide wheel 23342 is rotatably mounted on the mounting shaft 23341, the circumferential side of the guide wheel 23342 is limited and mounted in the limiting groove 23331, the limiting guide wheel structure 2334 is disposed on one side of the limiting strip 2333 close to the rack structure 2332, the limiting guide wheel structure 2332 is limited by the synchronous gear 2331 to move along the width direction of the rack structure 2332, the limiting groove 23331 is matched with the guide wheel 23342 to limit the movement of the rack structure 2332 along the thickness direction of the rack structure 2332, has better effect.

In order to obtain a stable limiting effect, in this embodiment, the limiting guide wheel structures 2334 are provided in plurality and are arranged at intervals along the vertical direction, and the limiting effect is better due to multi-point limiting, further, two limiting guide wheel structures 2334 arranged at intervals in the vertical direction form a limiting guide wheel structure 2334 group, two limiting guide wheel structures 2334 are provided and are arranged corresponding to the two synchronizing gears 2331, two limiting guide wheel structures 2334 in each limiting guide wheel structure 2334 group are respectively arranged at the upper side and the lower side of the corresponding synchronizing gear 2331, and the two limiting guide wheels 23342 and the corresponding synchronizing gear 2331 form a corresponding limiting support point, so that the meshing between the synchronizing gear 2331 and the rack structure 2332 is better, and the limiting effect is better.

Further, both sides of the installation space are simultaneously provided with the synchronous limiting structures 233, specifically, the first installation ends are provided with two and separately arranged on both sides of the installation space, the second installation ends are provided with two and separately arranged on both sides of the installation space, the synchronous limiting structures 233 are provided with two and separately arranged on both sides of the installation space, both ends of the first rotating shaft and the second rotating shaft are synchronously limited, and a better limiting effect is achieved.

It should be noted that, the picking up and lifting assembly 24 of the present invention is used for transferring the charge core mold a transferred into the demolding channel to the outside, and may be a linear driving device, such as an electric cylinder, an air cylinder or an oil cylinder, and specifically, in an embodiment of the present invention, please refer to fig. 3, 9 and 10, the picking up and lifting assembly 24 includes a sub-mount 241, a lifting driving motor 242, a driving nut 243 structure and a lifting screw shaft 244, the sub-mount 241 is fixedly mounted on the main mount 1 and is located above the main mount 1, a mounting hole extending up and down is formed on the sub-mount 241, the lifting driving motor 242 is disposed on the sub-mount 241, the driving nut 243 structure includes a driving nut 243 rotatably mounted on the mounting hole along an up and down axis, the driving nut 243 is connected to the lifting driving motor component 242 in a driving manner, the lifting screw shaft 244 is sleeved in an inner hole of the driving nut 243, the lower end of the lifting screw shaft 244 is fixedly installed on the picking translation component 23, the picking lifting component 24 drives the whole picking translation component 23 to move upwards to the outer side of the combustion chamber shell b, namely the charge core mold a is transferred to the outer side of the combustion chamber shell b, and the charging core mold has a good effect.

Specifically, the picking-up lifting assembly 24 further comprises a synchronous belt transmission structure 245, the synchronous belt transmission structure 245 comprises a first synchronous wheel 2451, a second synchronous wheel 2452 and a synchronous belt 2453, the first synchronous wheel 2451 is arranged on the output spindle of the lifting driving motor assembly 242, the second synchronous wheel 2452 is arranged on the driving nut 243 and coaxially rotates with the driving nut 243, and the synchronous belt 2453 is arranged between the first synchronous wheel 2451 and the second synchronous wheel 2452.

In the embodiment, a rotation stopping matching structure is disposed between the driving nut 243 and the second synchronizing wheel 2452, so that the second synchronizing wheel 2452 drives the driving nut 243 to rotate, for example, the driving nut 243 and the second synchronizing wheel 2452 can be fixedly connected by a screw, in the embodiment of the present invention, the rotation stopping matching structure includes a rotation stopping groove 245721 and a rotation stopping protrusion 2431, the rotation stopping groove 245721 is penetrated through an upper end surface of the second synchronizing wheel 2452, the rotation stopping protrusion 2431 is formed on an outer side surface of the driving nut 243, the rotation stopping protrusion 2431 is rotatably installed in the rotation stopping groove 245721, the specific shapes of the rotation stopping protrusion 2431 and the rotation stopping groove 245721 are not limited, for example, the rotation stopping protrusion 2431 can be a straight surface formed on a circumferential surface of the rotation stopping protrusion 2431, the arrangement of the straight wall surface formed on the inner wall surface of the rotation stopping groove 2452 is simple in structure, and can better transmit the torque of the second synchronizing wheel 2452 to the driving nut 243, thereby having better effect.

In order to facilitate the upward and downward movement of the picking and translating assembly 23, in an embodiment of the present invention, the picking and lifting assembly 24 further includes a lifting guide structure 246 disposed between the secondary mounting base 241 and the picking and translating assembly 23, the lifting guide structure 246 includes a guide shaft 2461 and a guide sleeve 2462, the guide shaft 2461 extends upward and downward and is disposed on the secondary mounting base 241, the guide sleeve 2462 is disposed on the picking and translating assembly 23 and is sleeved on the guide shaft 2461 for guiding the picking and translating assembly 23 to be movably mounted on the secondary mounting base 241 in the upward and downward directions, the stability of the upward and downward movement of the picking and lifting assembly 24 is ensured by the guiding function of the lifting guide structure 246, and the picking and translating assembly has a good effect, the guide sleeve 2462 may be made of a material such as a rubber sleeve or a copper sleeve, the guide shaft 2461 is made of an iron material and is made of a different material types, the guide sleeve 2462 and the guide shaft 2461 can slide relative to each other conveniently, so that a good effect is achieved, and furthermore, the lifting guide structure 246 is provided with a plurality of guide points, so that the picking-up lifting assembly 24 can move up and down more stably, and a good effect is achieved.

In the technical solution of the present invention, the specific rotation mode of the main mounting base 1 is not limited, for example, the main mounting base 1 may be manually rotated, or the main mounting base 1 may also be driven to rotate by a driving device, in an embodiment of manually rotating the main mounting base 1, please refer to fig. 11 in detail, the rotational positioning structure 32 includes a rotational indication component 32a, the rotational indication component 32a includes a plurality of indication scale bars 321 and indication arrow head pieces 322, the indication scale bars 321 are formed on the fixing base 31 and distributed along the circumferential direction of the fixing base 31, the indication arrow head pieces 322 are fixedly mounted on the main mounting base 1, wherein, under the action of external force, the main mounting base 1 is rotated to make the main mounting base 1 rotate to a position where the picking arm 2a corresponds to one of the charge core molds a, the rotary indicating assembly 32a is convenient for indicating the manual alignment of an operator, and has a good effect.

After the manual alignment is completed, the main mounting seat 1 needs to be locked to the combustion chamber casing b, specifically, referring to fig. 13, the rotational positioning structure 32 further includes a limiting locking device 323, the limiting locking device 323 includes a locking seat 3231, a locking rod 3232 and a locking head 3233, the locking seat 3231 is disposed on the fixing seat 31, the locking rod 3232 is disposed to extend in the vertical direction, the lower end of the locking rod 3232 is hinged to the locking seat 3231, the locking head 3233 is disposed at the upper end of the locking rod 3232, a locking surface 32331 disposed downward is formed on a side surface of the locking head 3233, when the main mounting seat 1 is locked to the fixing seat 31, the locking surface 32331 abuts against the upper end surface of the main mounting seat 1, further, the limiting locking devices 323 are disposed in plural, and are disposed at intervals in the circumferential direction of the fixing seat 31, and the main mounting seat 1 is locked to the combustion chamber casing b by the limiting locking device The actions of the picking translation assembly 23 and the picking lifting assembly 24 are facilitated, and a good effect is achieved.

In the embodiment of the driving device for driving the main mounting base 1 to rotate, the rotational positioning structure 32 includes a rotary gear ring 324, a driving main gear 325 and a rotary driving motor assembly 326, the rotary gear ring 324 is fixedly sleeved to the outer side of the main mounting seat 1 along the vertical axis, the driving main gear 325 is rotatably mounted to the fixed seat 31 along the vertical axis, and is externally engaged with the rotary gear ring 324, the rotary driving motor assembly 326 is disposed on the fixing base 31, is drivingly connected with the driving main gear 325, wherein, the rotation driving motor assembly 326 drives the driving main gear 325 to rotate so as to drive the rotation gear to rotate, through the form of gear drive, be convenient for accurate control main mount pad 1 pivoted angle is convenient for to the mould of getting of powder charge mandrel a and drawing of patterns, has better effect.

In addition, for reducing artificial judgement main mount pad 1 pivoted angle, the utility model discloses an in the embodiment, there is swing arm mount pad 231 along upper and lower movable mounting on main mount pad 1, rotatory positioning system still includes vision recognition device 33, vision recognition device 33 is including locating the identification camera 331 of swing arm mount pad 231 lower extreme for the discernment is waited to pick up the position of powder charge mandrel a, through identification camera 331 discernment is waited to pick up powder charge mandrel a's position has reduced artificial discernment's participation, has improved the precision, and it is right to be convenient for powder charge mandrel a's drawing of patterns has better effect.

Further, for judge more comprehensively a plurality of in the combustion chamber casing b charge mandrel a's position, the embodiment of the utility model provides an, identification camera 331 sets up a plurality ofly, and is a plurality of identification camera 331 forms an discernment region jointly, the discernment region is at least the cage the setting of drawing of patterns passageway is through a plurality of identification camera 331 judges jointly, improves the discernment precision, has better effect.

It should be noted that referring to fig. 14 to 16, in fig. 14, the picking translation assembly 23 is in the mold picking state, in which the picking arm 2a is in the combustion chamber housing b, the picking arm 2a is fixed with the charge core mold a, in figure 15 the pick translation assembly 23 translates the charge core mould a to a position in the middle of the ejection channel, and such that said charge core mould a passes partly through the centre of said ejection channel, i.e. in the extreme position of horizontal translation, figure 16 is a schematic view of the pick-up lifter assembly 24 moving the pick-up translator assembly 23 up and out of the combustion chamber housing b, namely, the process of once taking out the core mould and demoulding is completed, and after the taken-out charge core mould a is unloaded, and (4) the pick-up arm 2a is extended into the combustion chamber again to finish the processes of mold taking and demolding of the charge core mold a of the next round.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a rotational positioning system for the main mount pad of drive rotates, be equipped with on the main mount pad and pick up the removal subassembly, it is equipped with the pick arm to pick up to remove the subassembly, the pick arm is used for picking up the powder charge mandrel, the powder charge mandrel sets up a plurality ofly along the circumference interval of engine combustion chamber, its characterized in that, rotational positioning system includes:

a fixing seat fixedly mounted to an opening of the combustion chamber housing; and the number of the first and second groups,

and the rotary positioning structure is arranged between the fixed seat and the main mounting seat and used for indicating the main mounting seat to rotate to the position of one charge core mold corresponding to the picking arm.

2. The rotational positioning system of claim 1, wherein the rotational positioning structure comprises a rotational indicating assembly comprising:

the indicating scale bars are formed on the fixed seat and are distributed along the circumferential direction of the fixed seat; and the number of the first and second groups,

the indication arrow sheet is fixedly arranged on the main mounting seat;

wherein the main mount is rotated under an external force to rotate the main mount to a position where the pick arm corresponds to one of the charge mandrels.

3. The rotational positioning system of claim 2, wherein the rotational positioning structure further comprises a limit lock device, the limit lock device comprising:

the locking seat is arranged on the fixed seat;

the locking rod extends up and down, and the lower end of the locking rod is hinged to the locking seat; and the number of the first and second groups,

the locking head is arranged at the upper end of the locking rod, and a locking surface arranged downwards is formed on the side surface of the locking head;

when the main mounting seat is locked with the fixing seat, the locking surface is tightly abutted to the upper end surface of the main mounting seat.

4. The rotational positioning system of claim 3, wherein the position-limiting locking device is provided in plurality and is arranged at intervals along the circumference of the fixed seat.

5. The rotational positioning system of claim 1, wherein the rotational positioning structure comprises:

the rotary gear ring is fixedly sleeved to the outer side of the main mounting seat along the vertical axis;

the driving main gear is rotatably arranged on the fixed seat along the vertical axis and is meshed with the rotary gear rim; and the number of the first and second groups,

the rotary driving motor assembly is arranged on the fixed seat and is in driving connection with the driving main gear;

the rotary driving motor assembly drives the driving main gear to rotate so as to drive the rotary gear to rotate.

6. The rotational positioning system of claim 1, wherein a swing arm mounting base is movably mounted on the main mounting base in an up-down direction;

the rotary positioning system further comprises a visual recognition device, wherein the visual recognition device comprises a recognition camera arranged at the lower end of the swing arm mounting seat and is used for recognizing the position of the charge core mold to be picked up.

7. The rotational positioning system of claim 6, wherein a plurality of said identification cameras are provided and collectively form an identification zone configured to at least cage a plurality of said charge mandrels.

8. An automated mold removal apparatus comprising a rotational positioning system as claimed in any one of claims 1 to 7.

9. The automatic mold stripping device according to claim 8, wherein a swing arm mounting seat is movably mounted on the main mounting seat along the up-down direction;

the automatic mold taking device further comprises a picking and moving swing arm mechanism arranged on the swing arm mounting seat, and the picking and moving swing arm mechanism comprises:

the swing driving device is arranged on the swing arm mounting seat;

the driving arm is positioned below the swing driving device, the upper end of the driving arm is in driving connection with the swing driving device, the middle position of the driving arm is hinged to the swing arm mounting seat, and the lower end of the driving arm is hinged to the upper end of the picking arm; and the number of the first and second groups,

and the follow-up arm is positioned below the driving arm, the upper end of the follow-up arm is hinged to the swing arm mounting seat, and the lower end of the follow-up arm is hinged to the lower end of the picking arm.

10. The automated mold removing device according to claim 9, wherein the upper end of the driving arm is formed with a curved-surface tooth profile structure, and the swing driving device comprises:

the swing driving motor assembly is arranged on the swing arm mounting seat; and the number of the first and second groups,

swing arm drive gear, along the level to the axis rotate install in the swing arm mount pad, and with swing driving motor subassembly drive is connected, swing arm drive gear with cambered surface profile of tooth structure external toothing is in order to drive the initiative arm swing, be used for driving the arm removal of picking up.

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