CN113601462A - Sand mold assembly workbench suitable for non-mold composite forming process - Google Patents
Sand mold assembly workbench suitable for non-mold composite forming process Download PDFInfo
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- CN113601462A CN113601462A CN202110918603.XA CN202110918603A CN113601462A CN 113601462 A CN113601462 A CN 113601462A CN 202110918603 A CN202110918603 A CN 202110918603A CN 113601462 A CN113601462 A CN 113601462A
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 235
- 230000007306 turnover Effects 0.000 claims abstract description 45
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- 238000000429 assembly Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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Abstract
The invention discloses a sand mold assembling workbench suitable for a dieless composite forming process, which comprises a clamping mechanism, a turnover mechanism, a lifting mechanism and a conveying mechanism, wherein the lifting mechanism is provided with the clamping mechanism and the turnover mechanism; the conveying mechanism drives the lifting mechanism, the clamping mechanism and the turnover mechanism to move and/or drives the sand mold to move; the lifting mechanism is used for driving the clamping mechanism and the lifting mechanism to lift. After the sand mold is placed in place, the conveying mechanism drives the lifting mechanism, the clamping mechanism and the turnover mechanism to move to the position above the sand mold, the lifting mechanism drives the clamping mechanism and the turnover mechanism to descend, the clamping mechanism clamps the sand mold after the sand mold is placed in place, the lifting mechanism ascends again, the conveying mechanism moves to drive the sand mold to move to an assembly station, the turnover mechanism moves to drive the sand mold to turn over, the lifting mechanism descends after the sand mold is turned over, the clamping mechanism loosens the sand mold, and the conveying mechanism can convey the sand mold. Therefore, the invention can realize the turnover, clamping, transferring, assembling and the like of the sand mold, reduce the working procedure time and save the labor force.
Description
Technical Field
The invention relates to the technical field of assembly workbenches, in particular to a sand mold assembly workbench suitable for a non-mold composite forming process.
Background
With the development of globalization, Chinese casting equipment has a trend of rising year by year, the yield of required castings is also increased inevitably, but the sand mold assembly procedure in the casting production process has the following two problems:
1. the problem of poor adaptability exists when mass production sand molds are assembled automatically or semi-automatically by a production line or manually;
2. for researching and developing sand molds, assembly work is mostly completed manually or by means of auxiliary mechanical equipment, the operation is complex, the working procedure time is long, the labor cost is high, and the safety and the assembly efficiency are low.
And the automatic assembly process of the sand mold needs to realize the rotation, clamping, centering, transferring, overturning and assembly actions of the sand mold.
In the existing sand mold assembly process, methods such as manual or manual moving, overturning, assembling and the like by using auxiliary mechanical equipment are generally adopted, and individual sand mold assembly scenes are carried and assembled by adopting automatic machinery, but a plurality of limitations exist, such as long working procedure time, low assembly efficiency and poor safety caused by inevitable manual mode; the automatic mechanical mode can only realize the assembly work of a single or a few sand moulds, and can only be applied to the assembly scene of a fixed assembly method.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the invention are as follows: the sand mold assembling workbench suitable for the die-free composite forming process is capable of assisting in completing automatic assembly of sand molds and reducing operation process time and labor cost.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a sand mold assembly workbench suitable for a dieless composite forming process comprises a clamping mechanism for clamping a sand mold, a turnover mechanism for turning over the sand mold, a lifting mechanism and a conveying mechanism, wherein the clamping mechanism and the turnover mechanism are arranged on the lifting mechanism, and the lifting mechanism is used for driving the clamping mechanism and the lifting mechanism to lift; the conveying mechanism is used for driving the lifting mechanism, the clamping mechanism and the turnover mechanism to move and/or driving the sand mold to move.
Preferably, the lifting mechanism comprises at least one group of scissor assemblies, and each scissor assembly comprises two scissor rods with the middle parts hinged together, and an upper slide rail and a lower slide rail which are oppositely and fixedly arranged up and down; one end of one of the scissor rods is connected with the upper sliding rail in a sliding manner, and the other end of the scissor rod is hinged with the lower sliding rail; one end of the other scissor rod is connected with the lower slide rail in a sliding manner, and the other end of the scissor rod is hinged with the upper slide rail; the end parts of the two scissor rods on the same side are hinged;
the lifting mechanism further comprises a lifting power assembly, the lifting power assembly is in transmission connection with the scissor rods and drives the scissor rods to slide along the upper sliding rail and the lower sliding rail so as to achieve lifting.
Preferably, the lifting mechanism comprises two groups of the scissor assemblies, and the two groups of the scissor assemblies are arranged in parallel; the lifting power assembly comprises a lifting screw rod, a lifting nut, a connecting rod and a lifting servo motor, wherein the lifting screw rod is horizontally arranged, the lifting nut is in threaded connection with the lifting screw rod, the connecting rod is connected with the lifting nut, the lifting servo motor is connected with one end of the lifting screw rod, and the other end of the lifting screw rod is arranged on the fixed rod; and two ends of the connecting rod are respectively fixedly connected with one ends of the two scissor rods in sliding connection.
Preferably, the lifting mechanism further comprises a first fixing frame and a second fixing frame which are arranged up and down, the upper sliding rail is fixedly arranged on the first fixing frame, the lower sliding rail is fixedly arranged on the second fixing frame, the first fixing frame is connected with the conveying mechanism, and the second fixing frame is connected with the clamping mechanism.
Preferably, the clamping mechanism comprises clamping arms which are oppositely arranged, symmetrical spiral screws which are in threaded connection with the two clamping arms, and clamping servo motors which are connected with one ends of the symmetrical spiral screws, and the two clamping arms are respectively arranged on two sides of the symmetrical spiral screws; the clamping servo motor drives the symmetrical screw rods to rotate, and the symmetrical screw rods drive the two clamping arms to move in the opposite direction or in the opposite direction so as to clamp or loosen the sand mold.
Preferably, the inner side of each clamping arm is provided with a manipulator; the turnover mechanism comprises a turnover servo motor and rotating parts, wherein the turnover servo motor is arranged corresponding to the clamping arms, the rotating parts are in transmission connection with the turnover servo motor, and each rotating part is arranged on the corresponding clamping arm and is connected with the corresponding manipulator.
Preferably, the conveying mechanism comprises a horizontal moving mechanism, a rotating mechanism and a linear moving mechanism; the horizontal moving mechanism is in transmission connection with the lifting mechanism so as to drive the lifting mechanism, the clamping mechanism and the turnover mechanism to move horizontally and switch stations; the rotating mechanism comprises a rotating disc, the rotating disc is used for driving the sand mold to rotate, and the rotating disc is positioned below the horizontal moving mechanism; the linear moving mechanism is positioned below the horizontal moving mechanism to convey the sand mold.
The device is characterized by further comprising a limiting mechanism, wherein the limiting mechanism comprises two limiting rods, limiting power for driving the limiting rods to ascend and descend and an in-place detection unit electrically connected with the limiting power; one limiting rod is arranged above the rotating disc in a spanning mode, and the other limiting rod is arranged above the linear conveying mechanism in a spanning mode.
Preferably, at least one guide rod is arranged between the first fixing frame and the second fixing frame, and each guide rod is vertically arranged.
Preferably, the clamping mechanism further comprises at least one guide shaft fixedly arranged on the lifting mechanism, and the extension direction of each guide shaft is the same as that of the symmetrical screw rod; each guide shaft penetrates through the two clamping arms.
After the technical scheme is adopted, the invention has the beneficial effects that:
the sand mold assembling workbench suitable for the dieless composite forming process comprises a clamping mechanism for clamping a sand mold, a turnover mechanism for turning over the sand mold, a lifting mechanism and a conveying mechanism, wherein the lifting mechanism is provided with the clamping mechanism and the turnover mechanism; the conveying mechanism is used for driving the lifting mechanism, the clamping mechanism and the turnover mechanism to move and/or driving the sand mold to move; the lifting mechanism is used for driving the clamping mechanism and the lifting mechanism to lift. After the sand mould is placed in place, conveying mechanism drives elevating system, fixture and tilting mechanism move to the sand mould top, elevating system drives fixture and tilting mechanism decline again, the back fixture action clamp that targets in place gets the sand mould, elevating system rises again, and the centre gripping sand mould rises, conveying mechanism moves, it moves to the assembly station to drive the sand mould, when needing to overturn this moment, the sand mould can be overturned in the tilting mechanism action, in order to satisfy the assembly demand, after the upset finishes elevating system descends, fixture loosens the sand mould, place back conveying mechanism conveying sand mould that targets in place. Therefore, the invention can simultaneously realize the turnover, the clamping, the transfer, the assembly and the like of the sand mold, reduce the operation procedure time, save the labor force and is suitable for the sand mold assembly production line of the non-mold composite forming process.
The lifting mechanism comprises at least one group of scissor assemblies, and each scissor assembly comprises two scissor rods with the middle parts hinged together, and an upper sliding rail and a lower sliding rail which are oppositely and fixedly arranged up and down; one end of one of the scissor rods is connected with the upper sliding rail in a sliding manner, and the other end of the scissor rod is connected with the lower sliding rail in a hinged manner; one end of the other scissor rod is connected with the lower slide rail in a sliding manner, and the other end of the other scissor rod is hinged with the upper slide rail; the end parts of the two scissor rods at the same side are hinged; the lifting mechanism further comprises a lifting power assembly, the lifting power assembly is in transmission connection with the scissor rods and drives the two scissor rods to slide along the upper slide rail and the lower slide rail so as to achieve lifting, and actions such as sand mold clamping and conveying are achieved by means of a simple structure.
The lifting mechanism comprises two groups of scissor assemblies which are arranged in parallel; the lifting power assembly comprises a lifting screw rod, a lifting nut, a connecting rod and a lifting servo motor, wherein the lifting screw rod is horizontally arranged, the lifting nut is in threaded connection with the lifting screw rod, the connecting rod is connected with the lifting nut, the lifting servo motor is connected with one end of the lifting screw rod, and the other end of the lifting screw rod is arranged on the fixed rod; the two ends of the connecting rod are fixedly connected with one ends of the two scissor fork rods in a sliding connection mode respectively, and the reliability of lifting action is improved by the two sets of scissor fork assemblies.
The conveying mechanism comprises a horizontal moving mechanism, a rotating mechanism and a linear moving mechanism; the horizontal moving mechanism is in transmission connection with the lifting mechanism and drives the lifting mechanism, the clamping mechanism and the turnover mechanism to move horizontally so as to switch stations; the rotating mechanism comprises a rotating disc, the rotating disc is used for driving the sand mold to rotate, and the rotating disc is positioned below the horizontal moving mechanism; the linear moving mechanism is positioned below the horizontal moving mechanism, and the actions of sand mold position adjustment, clamping, conveying, station switching and the like are completed by utilizing the conveying mechanism.
The device also comprises a limiting mechanism, wherein the limiting mechanism comprises two limiting rods, limiting power for driving the limiting rods to ascend and descend and an in-place detection unit electrically connected with the limiting power; one limiting rod is arranged above the rotating disc in a spanning mode, the other limiting rod is arranged above the linear conveying mechanism in a spanning mode, after the in-place detection unit detects that the sand mold is in place, the in-place detection unit transmits a corresponding electric signal to limiting power, and the limiting power acts to drive the limiting rods to descend so as to limit the sand mold.
Because be provided with an at least guide bar between first mount and the second mount, each guide bar is all vertical to be set up, utilizes the guide bar to realize reliable lift, avoids the skew.
The clamping mechanism also comprises at least one guide shaft fixedly arranged on the lifting mechanism, and the extension direction of each guide shaft is the same as that of the symmetrical screw rod; each guide shaft penetrates through the two clamping arms, and the two clamping arms can reliably move by the aid of the guide shafts.
In conclusion, the sand mold assembling workbench applicable to the die-free composite forming process solves the technical problems of long working procedure time, low assembling efficiency and poor safety caused by manual assembling of the assembling workbench in the prior art; the invention realizes the actions of automatic clamping, overturning, conveying, station switching and the like of the sand mold by arranging the clamping mechanism, the overturning mechanism, the lifting mechanism and the conveying mechanism, thereby improving the assembly efficiency and reducing the working procedure time.
Drawings
FIG. 1 is a schematic structural view of a sand mold assembly station suitable for use in the dieless composite forming process of the present invention;
FIG. 2 is a schematic structural view of another angle of a sand mold assembly table suitable for the dieless composite forming process of the present invention;
FIG. 3 is a schematic view of the structure of a conveying section in the present invention;
FIG. 4 is a schematic view of the structure of the assembly robot part of the present invention;
in the figure: 1-pillar, 20-rotating mechanism, 200-rotating disk, 201-rotating roller line, 21-linear moving mechanism, 22-horizontal moving mechanism, 220-guide rail, 221-horizontal moving power, 222-sliding seat, 3-lifting mechanism, 30-first fixing frame, 31-second fixing frame, 32-lifting servo motor, 33-scissor rod, 34-upper sliding rail, 35-lower sliding rail, 36-guide rod, 37-lifting screw rod, 38-lifting nut, 39-connecting rod, 390-fixing rod, 4-limiting mechanism, 40-limiting rod, 41-limiting power, 42-in-place signal sensor, 5-clamping mechanism, 50-clamping arm, 51-clamping servo motor, 52-symmetrical screw rod, 53-guide shaft, 6-turnover mechanism, 60-turnover servo motor, 62-laser ranging sensor and 7-manipulator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, a sand mold assembly workbench suitable for a dieless composite forming process comprises a clamping mechanism 5 for clamping a sand mold, a turnover mechanism 6 for turning over the sand mold, a lifting mechanism 3 and a conveying mechanism, wherein the lifting mechanism 3 is provided with the clamping mechanism 5 and the turnover mechanism 6, and the lifting mechanism 3 is used for driving the clamping mechanism 5 and the lifting mechanism 3 to lift; the conveying mechanism is used for driving the lifting mechanism 3, the clamping mechanism 5 and the turnover mechanism 6 to move and/or driving the sand mold to move.
After the sand mold is put into use, the conveying mechanism drives the lifting mechanism 3, the clamping mechanism 5 and the turnover mechanism 6 to move above the sand mold, the lifting mechanism 3 acts after the sand mold is put in place to drive the clamping mechanism 5 and the turnover mechanism 6 to descend, the clamping mechanism 5 acts to clamp the sand mold after the sand mold descends in place, then the lifting mechanism 3 acts again to drive the sand mold to ascend, the conveying mechanism acts to drive the sand mold to move to an assembly station, at the moment, when the sand mold needs to be overturned, the turnover mechanism 6 acts to drive the sand mold to overturn to meet the assembly requirement, the lifting mechanism 3 acts again after the sand mold is overturned to drive the clamping mechanism 5 and the sand mold to descend, the clamping mechanism 5 releases the sand mold after the sand mold descends in place, and the conveying mechanism acts to transfer the sand mold to the next station. Therefore, the invention can simultaneously realize the turnover, clamping, transferring, assembling and the like of the sand mold, reduces the operation procedure time, saves the labor force, and is suitable for the sand mold assembling production line of the non-mold composite forming process.
As shown in fig. 1, 2 and 4, the lifting mechanism 3 includes at least one pair of scissors assembly and a lifting power assembly, and in this example, the two pairs of scissors assembly are arranged in parallel, and the two pairs of scissors assembly provide reliability of lifting action.
Each shear fork assembly comprises two shear fork rods 33, an upper sliding rail 34 and a lower sliding rail 35, wherein the middle parts of the two shear fork rods are hinged together, and the upper sliding rail and the lower sliding rail are vertically and relatively fixedly arranged; one end of one of the scissor rods 33 is slidably connected with the upper slide rail 34, and the other end of the scissor rod 33 is hinged with the lower slide rail 35; one end of the other scissor rod 33 is connected with the lower slide rail 35 in a sliding manner, and the other end of the other scissor rod 33 is hinged with the upper slide rail 34; and the end parts of the two scissor rods 33 at the same side are hinged. In this embodiment, each of the upper slide rails 34 and each of the lower slide rails 35 are provided with a long through hole, the length of the long through hole is smaller than the length of the upper slide rail 34 or the lower slide rail 35, and two ends of the connecting rod 39 penetrate through the corresponding long through holes, so that the scissors rod slides in the corresponding long through holes.
Wherein, the lifting power assembly is connected with the scissor rods 33 in a transmission manner so as to drive the two scissor rods 33 to slide along the upper slide rail 34 and the lower slide rail 35, thereby realizing lifting. In this embodiment, the lifting power assembly includes a horizontally disposed lifting screw, and in a preferred embodiment, the lifting screw 37 is disposed parallel to the upper slide rails 34 and between the two upper slide rails 34; the lifting power assembly further comprises a lifting nut 38 in threaded connection with the lifting screw rod, a connecting rod 39 connected with the lifting nut 38, and a lifting servo motor 32 connected with one end of the lifting screw rod 37, the lifting power assembly can also be provided with a fixed rod 390, two ends of the fixed rod 390 are respectively arranged on the two upper slide rails 34, and the other end of the lifting screw rod is arranged on the fixed rod 390; two ends of the connecting rod 39 are fixedly connected with one ends of the two scissor rods 33 which are connected in a sliding manner. Of course, the lifting power assembly is not limited to the above description, as long as the lifting power assembly can drive the scissor rod 33 to slide; the lifting mechanism 3 is not limited to the above-mentioned structure, and may be configured to drive the clamping mechanism 5 and the turnover mechanism 6 to lift.
In this embodiment, the lifting mechanism 3 further includes a first fixing frame 30 and a second fixing frame 31 which are vertically disposed, an upper slide rail 34 is fixedly disposed on the first fixing frame 30, the lifting servo motor 32 is also fixedly disposed on the first fixing frame 30, a lower slide rail 35 is fixedly disposed on the second fixing frame 31, the first fixing frame 30 is connected with the conveying mechanism, and the second fixing frame 31 is connected with the clamping mechanism 5. In a preferred embodiment, at least one guide rod 36 is disposed between the first fixing frame 30 and the second fixing frame 31, in this example, four guide rods are disposed, each guide rod 36 is vertically disposed, and the guide rods 36 enable the second fixing frame 31 to reliably lift and lower, thereby avoiding deviation.
As shown in fig. 1, 2 and 4, the clamping mechanism 5 includes opposite clamping arms 50, symmetrical screw screws 52 in threaded connection with the two clamping arms 50, and clamping servo motors 51 connected with one ends of the symmetrical screw screws 52, wherein the two clamping arms 50 are respectively arranged at two sides of the symmetrical screw screws 52; the clamping servo motor 51 drives the symmetrical screw rod 52 to rotate, and the symmetrical screw rod 52 drives the two clamping arms 50 to move towards or away from each other so as to clamp or loosen the sand mold. Wherein, the symmetrical screw 52 means that two sections of threads with opposite rotation directions are arranged on the screw, and the two sections of threads are symmetrically arranged on the screw.
The inboard of centre gripping arm 50 can set up laser rangefinder sensor 62, and laser rangefinder sensor 62 is connected with centre gripping servo motor 51 electricity, and at two centre gripping arm 50 relative movement in-process, laser rangefinder sensor 62 gathers the distance between two centre gripping arms 50 to convert corresponding signal of telecommunication transmission to centre gripping servo motor 51, control centre gripping servo motor 51 opens and stops, works as the distance between two centre gripping arms 50 promptly, when reaching the sand mould width, stops to remove.
The clamping mechanism 5 further comprises at least one guide shaft 53 fixedly arranged on the lifting mechanism 3, and the extension direction of each guide shaft 53 is the same as that of the symmetrical screw rod 52; each guide shaft 53 penetrates through the two holding arms 50; in this embodiment, a guide shaft 53 is provided on each side of the symmetrical screw 52 to improve the reliability of the movement of the clamp arm 50.
As shown in fig. 4, a manipulator 7 is provided inside each of the gripping arms 50 (on the side opposite to the gripping arms) in this example, and the manipulator 7 is adapted to the sand mold so as to grip the sand mold.
The turnover mechanism 6 comprises a turnover servo motor 60 and a rotation part, wherein the turnover servo motor 60 is arranged corresponding to the clamping arm 50, the rotation part is in transmission connection with the turnover servo motor 60, and each rotation part is arranged on the inner side of the corresponding clamping arm 50 and is in rotation connection with the corresponding manipulator 7 so as to drive the manipulator 7 to rotate and finally realize turnover of the sand mold.
In this embodiment, when the turning servo motor 60 acts, it drives the rotating part to rotate, the rotating part drives the manipulators 7 to rotate, and the manipulators 7 on both sides rotate simultaneously, so as to drive the sand mold to rotate by a certain angle, thereby meeting the assembly requirement. Of course, the turnover mechanism 6 is not limited to the above list, and the rotation portion may be, but not limited to, a rotation shaft.
As shown collectively in fig. 1 to 4, the conveying mechanism includes a horizontal moving mechanism 22, a rotating mechanism 20, and a linear moving mechanism 21.
The horizontal moving mechanism 22 is in transmission connection with the lifting mechanism 3, and drives the lifting mechanism 3, the clamping mechanism 5 and the turnover mechanism 6 to move horizontally so as to switch stations. In this embodiment, the horizontal moving mechanism 22 includes two horizontally disposed guide rails 220, and the lifting mechanism 3 is disposed between the two guide rails 220, that is, two sides of the first fixing frame 30 are respectively provided with a sliding seat 222, the sliding seats 222 are slidably connected to the corresponding side guide rails 220, the horizontal moving mechanism 22 further includes a horizontal moving power 221, such as a motor, a pneumatic sliding table, etc., the horizontal moving power 221 is connected to the first fixing frame 30, and after the horizontal moving power 221 acts, the first fixing frame 30 can be driven to slide, so as to drive the lifting mechanism 3, the clamping mechanism 5, the turnover mechanism 6 and the sand mold to move horizontally. Of course, the horizontal movement mechanism is not limited to the above-mentioned structure, and may be any mechanism as long as it can move horizontally.
The rotating mechanism 20 comprises a rotating disc 200 and a rotating motor connected with the rotating disc 200, in this example, the rotating mechanism 20 further comprises a rotating roller line 201, the rotating roller line 201 comprises rotating rollers which are respectively arranged on two sides of the rotating disc 200, and after the sand mold is placed on the rotating disc 200, the rotating disc 200 and the rotating rollers are started to drive the sand mold to rotate so as to adjust the position of the sand mold and facilitate clamping; see figure 4 for details.
The linear moving mechanism 21 is located below the horizontal moving mechanism 22 and used for transferring the sand mold, in this example, the linear moving mechanism 21 is a linear roller line, the linear roller line comprises rollers arranged on two sides, and when the sand mold is transferred to the middle of the rollers, the sand mold can be conveyed to other stations; see figure 4 for details. In addition, the sand mold transferring device comprises a support column 1, a guide rail 220 is fixedly arranged on the upper surface of the support column 1, a rotating mechanism 20 and a linear moving mechanism 21 are arranged at the bottom of the support column 1, and the rotating mechanism 20 and the linear moving mechanism 21 are arranged corresponding to the guide rail 220 up and down, so that the sand mold transferring device is convenient to transfer sand molds.
As shown in fig. 1 to 3, the present invention further includes a limiting mechanism 4, the limiting mechanism 4 includes two limiting rods 40, a limiting power 41 for driving the limiting rods 40 to ascend and descend, and an in-place detection unit electrically connected to the limiting power 41, and the in-place detection unit may include, but is not limited to, an in-place signal sensor 42; one of the limiting rods 40 is arranged above the rotating disc 200 in a spanning manner, and the other limiting rod 40 is arranged above the linear conveying mechanism in a spanning manner.
The limiting power 41 can be a limiting cylinder, two sides of the rotating roller line 201 are respectively provided with a limiting cylinder, telescopic ends of the two limiting cylinders are respectively provided with a corresponding limiting rod 40, two sides of the linear roller line are respectively provided with a limiting cylinder, and the telescopic ends of the two limiting cylinders are respectively provided with a corresponding limiting rod 40.
When the sand mold is in place, the in-place signal sensor 42 transmits a corresponding electric signal to enable the limiting power 41 to act, and the limiting rod 40 descends to limit the sand mold. The horizontal movement mechanism 22 may drive the lifting mechanism 3, the gripping mechanism 5, and the reversing mechanism 6 to move above the rotating roller line 201 based on the signal.
The sand mold assembling workbench suitable for the dieless composite forming process can realize automatic assembly of sand molds through simple operation, has high automation degree, can adapt to various types of sand molds of a sand mold assembling production line of the dieless composite forming process, obviously shortens the assembling time, obviously saves manpower, reduces the labor intensity of manual assembly and reduces the labor production cost of enterprises.
The above-described preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent modifications, improvements of the sand mold assembling table suitable for the non-mold composite forming process, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A sand mold assembly workbench suitable for a dieless composite forming process is characterized by comprising a clamping mechanism for clamping a sand mold, a turnover mechanism for turning over the sand mold, a lifting mechanism and a conveying mechanism, wherein the clamping mechanism and the turnover mechanism are arranged on the lifting mechanism, and the lifting mechanism is used for driving the clamping mechanism and the lifting mechanism to lift;
the conveying mechanism is used for driving the lifting mechanism, the clamping mechanism and the turnover mechanism to move and/or driving the sand mold to move.
2. A sand mold assembly workbench according to claim 1, wherein the lifting mechanism comprises at least one set of scissor assemblies, each scissor assembly comprises two scissor rods hinged together at the middle part, and an upper slide rail and a lower slide rail which are oppositely and fixedly arranged up and down;
one end of one of the scissor rods is connected with the upper sliding rail in a sliding manner, and the other end of the scissor rod is hinged with the lower sliding rail;
one end of the other scissor rod is connected with the lower slide rail in a sliding manner, and the other end of the scissor rod is hinged with the upper slide rail;
the end parts of the two scissor rods on the same side are hinged;
the lifting mechanism further comprises a lifting power assembly, the lifting power assembly is in transmission connection with the scissor rods and drives the scissor rods to slide along the upper sliding rail and the lower sliding rail so as to achieve lifting.
3. A sand mold assembly workbench according to claim 2, wherein said lifting mechanism comprises two sets of said scissors assemblies, said scissors assemblies being arranged in parallel;
the lifting power assembly comprises a lifting screw rod, a lifting nut, a connecting rod and a lifting servo motor, wherein the lifting screw rod is horizontally arranged, the lifting nut is in threaded connection with the lifting screw rod, the connecting rod is connected with the lifting nut, and the lifting servo motor is connected with one end of the lifting screw rod;
and two ends of the connecting rod are respectively fixedly connected with one ends of the two scissor rods in sliding connection.
4. A sand mold assembly workbench according to claim 3, wherein the lifting mechanism further comprises a first fixing frame and a second fixing frame arranged up and down, the first fixing frame is fixedly provided with the upper slide rail, the second fixing frame is fixedly provided with the lower slide rail, the first fixing frame is connected with the conveying mechanism, and the second fixing frame is connected with the clamping mechanism.
5. A sand mold assembly workbench according to any one of claims 1 to 4, wherein the clamping mechanism comprises clamping arms arranged oppositely, symmetrical screw rods in threaded connection with the two clamping arms, and a clamping servo motor connected with one end of the symmetrical screw rods, wherein the two clamping arms are respectively arranged at two sides of the symmetrical screw rods;
the clamping servo motor drives the symmetrical screw rods to rotate, and the symmetrical screw rods drive the two clamping arms to move in the opposite direction or in the opposite direction so as to clamp or loosen the sand mold.
6. A sand mould assembly workbench according to claim 5, wherein the inner side of each clamping arm is provided with a manipulator;
the turnover mechanism comprises a turnover servo motor and rotating parts, wherein the turnover servo motor is arranged corresponding to the clamping arms, the rotating parts are in transmission connection with the turnover servo motor, and each rotating part is arranged on the corresponding clamping arm and is connected with the corresponding manipulator.
7. A sand mould assembly bench suitable for use in a mouldless composite forming process according to any of claims 1 to 4, wherein said conveying mechanism comprises a horizontal movement mechanism, a rotation mechanism and a linear movement mechanism;
the horizontal moving mechanism is in transmission connection with the lifting mechanism so as to drive the lifting mechanism, the clamping mechanism and the turnover mechanism to move horizontally and switch stations;
the rotating mechanism comprises a rotating disc, the rotating disc is used for driving the sand mold to rotate, and the rotating disc is positioned below the horizontal moving mechanism;
the linear moving mechanism is positioned below the horizontal moving mechanism to convey the sand mold.
8. A sand mold assembly workbench according to claim 7, further comprising a limiting mechanism, wherein the limiting mechanism comprises two limiting rods, limiting power for driving the limiting rods to ascend and descend, and an in-place detection unit electrically connected with the limiting power;
one limiting rod is arranged above the rotating disc in a spanning mode, and the other limiting rod is arranged above the linear conveying mechanism in a spanning mode.
9. A sand mould assembly workbench according to claim 4, wherein at least one guide bar is arranged between the first and second mounts, each guide bar being arranged vertically.
10. A sand mold assembly workbench according to claim 5, wherein said clamping mechanism further comprises at least one guiding shaft fixed on said lifting mechanism, each of said guiding shafts having the same extension direction as said symmetrical screw;
each guide shaft penetrates through the two clamping arms.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110918603.XA CN113601462A (en) | 2021-08-11 | 2021-08-11 | Sand mold assembly workbench suitable for non-mold composite forming process |
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| CN202110918603.XA CN113601462A (en) | 2021-08-11 | 2021-08-11 | Sand mold assembly workbench suitable for non-mold composite forming process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115504415A (en) * | 2022-10-31 | 2022-12-23 | 江苏高倍智能装备有限公司 | A cut fork tipping arrangement for combined material box |
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| CN113997274A (en) * | 2021-11-29 | 2022-02-01 | 北京机科国创轻量化科学研究院有限公司 | Manipulator is disassembled to supplementary sand box of no mould casting |
| CN114130967A (en) * | 2021-11-29 | 2022-03-04 | 北京机科国创轻量化科学研究院有限公司 | A sand mold composite coating unit suitable for flexible forming production line |
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| CN115180378A (en) * | 2022-08-05 | 2022-10-14 | 机械工业第六设计研究院有限公司 | Automatic overturning method for circular part |
| CN115180378B (en) * | 2022-08-05 | 2023-09-26 | 机械工业第六设计研究院有限公司 | Automatic overturning method for round part |
| CN115504415A (en) * | 2022-10-31 | 2022-12-23 | 江苏高倍智能装备有限公司 | A cut fork tipping arrangement for combined material box |
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Application publication date: 20211105 |