CN209886619U - Double-layer well lid molding machine - Google Patents
Double-layer well lid molding machine Download PDFInfo
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- CN209886619U CN209886619U CN201920339196.5U CN201920339196U CN209886619U CN 209886619 U CN209886619 U CN 209886619U CN 201920339196 U CN201920339196 U CN 201920339196U CN 209886619 U CN209886619 U CN 209886619U
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Abstract
The utility model relates to a double-layer well lid molding machine, which comprises a frame, an upper box molding device, a lower box molding device, a lifting mechanism and a sand box loading mechanism, wherein the upper box molding device and the lower box molding device are stacked up and down in the frame; and lifting mechanisms for bearing the sand boxes are respectively arranged below the loading mechanisms on the two transverse sides of the frame. The upper box forming unit and the lower box forming unit of the molding machine are stacked together up and down, share main components such as a bottom beam, a top beam, a movable mold plate, a forming guide pillar, a lifting mechanism and the like, and have the advantages of simple and compact structure, high processing efficiency and high yield.
Description
Technical Field
The utility model belongs to the technical field of clay sand molding, specifically a double-deck well lid molding machine.
Background
At present, clay sand automatic molding technology appears for decades, and with the guidance of continuously improved requirements of users, along with the development progress of technology and the continuous innovation of manufacturers, various featured hosts and production lines appear, and a KW line, a Disha line and a New east line which are widely used at home and abroad are typical representatives of the clay sand automatic molding technology.
The vertical parting molding machine in various molding machines has the characteristics of no sand box and high molding efficiency.
Various horizontal parting flaskless (slip flask) molding machines have the advantages of simple structure, wide adaptability and remarkable production efficiency, and particularly, the vertical sand shooting slip flask/slip flask molding technology developed domestically in recent two years solves the problems of low mold back compactness and low casting yield easily caused by horizontal sand shooting molding, and further expands the application range of the flaskless sand shooting molding.
The multi-contact static pressure automatic molding, particularly the multi-contact static pressure molding with a box is the best molding mode of product adaptability in a plurality of molding devices, the host and the production line are most complex in structure, no matter quantitative sand adding or airflow sand adding is adopted, sand filling and molding are completed by relative movement among a sand box, a sand filling device and a mold, sand filling, molding and even mold closing can not be realized at a fixed station like the non-box molding, the production rate is limited, the upper box can only be molded with an upward parting surface, mold closing is realized at other stations in a turnover way, the host is complex in structure, and a plurality of auxiliary devices are provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's weak point, penetrate the figurative high efficiency of sand and the automatic figurative high adaptability of multi-contact static pressure and have the case figurative sand-iron ratio little with the level, the advantage that the casting yield is high combines together, provides a double-deck well lid molding machine.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a double-deck well lid molding machine which characterized in that: the sand box loading device comprises a rack, an upper box forming device, a lower box forming device, a lifting mechanism and a sand box loading mechanism, wherein the upper box forming device and the lower box forming device are stacked up and down in the rack; and lifting mechanisms for bearing the sand boxes are respectively arranged below the loading mechanisms on the two transverse sides of the frame.
And the machine frame comprises fixed beams, forming guide pillars and a movable die frame, the two fixed beams are arranged at intervals up and down, the forming guide pillars are arranged at four corners between the upper fixed beam and the lower fixed beam to form a cubic basic frame, and the movable die frame capable of moving up and down is movably sleeved in the middle of the four forming guide pillars through guide sleeves.
And, case forming device in the installation of activity mould frame top, concrete structure is: an upper box die is fixedly arranged at the upper end of the movable die frame, a fixed sand frame is fixedly arranged on a forming guide pillar above the movable die frame, a pressure head guide plate is movably sleeved on the forming guide pillar above the fixed sand frame, an upper pressure head is arranged in the middle of the pressure head guide plate in a limiting mode, and the upper pressure head is driven by a forming oil cylinder arranged at the upper end of the rack to move up and down.
And the upper pressure head is provided with sand-shooting auxiliary air holes in a distributed manner, and the upper pressure head is provided with a sprue pit.
And, case forming device under movable mould frame below installation, concrete structure is: a lower box mold is fixedly installed at the lower end of a movable mold frame, two sand bins which are stacked up and down are movably sleeved on a forming guide pillar below the movable mold frame, a sand shooting channel is arranged on the side surface of each sand bin, and the sand shooting channel is directly communicated with the interior of the sand bin; and the other pressure head guide plate is movably sleeved on the forming guide column below the sand bin, a lower pressure head is arranged in the middle of the pressure head guide plate in a limiting way, and the lower pressure head is driven by a forming oil cylinder arranged at the lower end of the rack to move up and down.
And the loading mechanism comprises a linear guide rail, rail seats and sliding plates, the rail seats which are arranged in parallel at intervals are respectively installed on two sides of the middle part of the frame, the linear guide rail is oppositely installed on the inner side of the rail seats, the sliding plates are installed on the linear guide rail in a guiding and sliding mode, and the sliding plates are used for supporting the upper molding box or the lower molding box to be moved to move.
And the lifting mechanism comprises a base, a flat plate, a lifting oil cylinder and a bracket, wherein the base is of a cubic frame structure, the flat plate is fixedly arranged at the upper end of the base, the lifting oil cylinder is vertically arranged in the middle of the flat plate, a piston rod of the lifting oil cylinder upwards penetrates through the flat plate and is fixedly provided with the bracket, and the lifting oil cylinder drives the bracket to move up and down.
Moreover, the lower ends of brackets at two sides of the oil cylinder are respectively symmetrically provided with a vertical guide rod, the guide rods penetrate through guide sleeves arranged on the flat plate, and the lower ends of the guide rods are connected with the bottom of the lifting oil cylinder through a connecting plate, so that the guide rods and the lifting oil cylinder can synchronously move up and down; a photoelectric switch is arranged on the upper part of one side in the base.
The utility model has the advantages that:
1. the upper box forming unit and the lower box forming unit of the molding machine are stacked together up and down, share main components such as a bottom beam, a top beam, a movable mold plate, a forming guide pillar, a lifting mechanism and the like, and the molding machine is simple and compact in structure.
2. The molding machine completes sand shooting, molding and demolding at the same station, the sand adding system and the sand box do not interfere with each other, and sand shooting is completed, so that profiling can be performed.
3. The molding machine is compact in sand shooting and filling, high in sand filling speed, high in production efficiency, small in sand consumption and attractive in molding, and the thickness of a sand mold can be adjusted according to needs.
4. The mold core can be placed in the molding machine before mold closing, the operation time of the host is not occupied, the operation is convenient, and the operation speed of the host is not influenced.
5. The height positions of the upper pressure head and the lower pressure head can be adjusted through the touch screen of the PLC control system when the molding machine is used for shooting sand, so that the sand adding amount is changed.
6. The upper pressure head and the lower pressure head of the molding machine are both provided with air holes, and auxiliary air flow is sprayed out from the auxiliary air passage during sand shooting to push the sand flow to change the direction, so that molding sand is secondarily distributed in the sand box, and the hardness of each area of the sand box is uniform.
7. The upper box forming pressure head of the molding machine is provided with a sprue pit and an air hole needle, and the mold is formed by a sprue bar, a riser bar, a sprue, a riser and an air hole in one step.
8. The molding machine completes the box separation and the die assembly in the main machine without additional auxiliary equipment such as box separation, die assembly, overturning and the like.
9. The molding machine is provided with an independent circulation program, the molding box can be independently circulated, the molding in the daytime can be realized, the casting at night can be realized, the production organization and the management are convenient, and the enterprise benefit is maximized.
Drawings
FIG. 1 is an assembly drawing of the double-layered manhole cover molding machine of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic structural view of the upper and lower box molding apparatus (before molding);
FIG. 5 is a left side elevational view, in cross-section, of FIG. 4;
FIG. 6 is a schematic structural view of the upper and lower box molding apparatus (lower box molding state);
FIG. 7 is a left side elevational view of the middle section of FIG. 6;
FIG. 8 is a schematic view of the upper and lower case forming apparatus (upper and lower case press type state)
FIG. 9 is a left side elevational view, in cross-section, of FIG. 8;
FIG. 10 is a schematic view of the elevating mechanism;
FIG. 11 is a schematic view in section of FIG. 10;
FIG. 12 is a schematic view of the upper ram configuration;
fig. 13 is a schematic view of a lower press head structure.
Reference numerals: 1, a movable die frame, 2, a lower molding box, 3, a forming guide pillar, 4, an upper molding box, 5, a pressure head guide plate, 6, a fixed beam, 8, a sand bin, 9, an upper pressure head, 10, a lower pressure head, 11, a fixed sand frame, 12, a forming oil cylinder, 13, an upper box die, 14, a lower box die, 15, a linear guide rail, 17, a rail seat, 18, a lifting mechanism and 19 support blocks;
181 base, 182 photoelectric switch, 183 bracket, 184 guide rod, 185 flat plate, 186 lift cylinder, 187 connecting plate and 188 guide sleeve.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A double-layer well lid molding machine comprises a rack, an upper box molding device, a lower box molding device, a lifting mechanism and a sand box loading mechanism, wherein the upper box molding device and the lower box molding device are stacked up and down in the rack; a lifting mechanism 18 for carrying the sand box is respectively installed below the loading mechanisms on the two lateral sides of the frame. A sand shooting assembly (not shown) is also mounted on the frame.
The machine frame comprises fixed beams 6, forming guide pillars 3 and a movable die frame 1, wherein the two fixed beams are arranged at intervals up and down, the forming guide pillars are arranged at four corners between the upper fixed beam and the lower fixed beam to form a cubic basic frame, and the movable die frame 1 capable of moving up and down is movably sleeved in the middle of the four forming guide pillars through guide sleeves;
case forming device in the installation of movable mould frame top, concrete structure is: an upper box die 14 is fixedly arranged at the upper end of a movable die frame, a fixed sand frame 11 is fixedly arranged on a forming guide pillar above the movable die frame, a pressure head guide plate 5 is movably sleeved on the forming guide pillar above the fixed sand frame, an upper pressure head 9 is arranged in the middle of the pressure head guide plate in a limiting manner, and the upper pressure head is driven by a forming oil cylinder 12 arranged at the upper end of a rack to move up and down; the upper pressure head is provided with sand-shooting auxiliary air holes in a distributed manner, and a sprue pit is arranged on the upper pressure head. During processing, an upper molding box 4 is placed between the upper pressing head and the movable mold frame.
Case forming device under movable mould frame below installation, concrete structure is: a lower box mould 15 is fixedly arranged at the lower end of the movable mould frame, two sand bins 8 which are stacked up and down are movably sleeved on a forming guide pillar below the movable mould frame, and a sand shooting channel is arranged on the side surface of each sand bin and is directly communicated with the interior of the sand bin; and another pressure head guide plate 5 is movably sleeved on the forming guide column below the sand bin, a lower pressure head 10 is arranged in the middle of the pressure head guide plate in a limiting manner, and the lower pressure head is driven by a forming oil cylinder arranged at the lower end of the rack to move up and down. And sand shooting auxiliary air holes are distributed on the lower pressure head. During processing, a lower molding box 2 is placed between the movable mold frame and the lower pressure head.
Two molding oil cylinders 12 are respectively arranged at the upper end and the lower end of the frame, and two sand silo oil cylinders 13 are symmetrically arranged between the lower end of the sand silo and the fixed beam below the sand silo.
The loading mechanism comprises a linear guide rail 16, rail seats 17 and sliding plates 19, the rail seats which are arranged in parallel at intervals are respectively installed on two sides of the middle of the rack, the linear guide rail is oppositely installed on the inner side of each rail seat, the sliding plates are installed on the linear guide rail in a guiding and sliding mode, and the sliding plates are used for supporting the upper molding box or the lower molding box to be moved to move.
The lifting mechanism comprises a base 181, a flat plate 185, a lifting oil cylinder 186 and a bracket 183, the base is of a cubic frame structure, the flat plate is fixedly arranged at the upper end of the base, the lifting oil cylinder is vertically arranged in the middle of the flat plate, a piston rod of the lifting oil cylinder upwards penetrates through the flat plate and is fixedly provided with the bracket, and the lifting oil cylinder drives the bracket to move up and down;
the lower ends of the brackets at the two sides of the oil cylinder are respectively and symmetrically provided with a vertical guide rod 184, the guide rods penetrate through guide sleeves 188 arranged on the flat plate, and the lower ends of the guide rods are connected with the bottom of the lifting oil cylinder through a connecting plate 187 to ensure that the guide rods and the lifting oil cylinder synchronously move up and down. A photoelectric switch 182 is installed on the upper part of one side in the base, and the lifting height of the shift is accurately detected.
The working method of the molding machine comprises the following steps:
after the host computer is started, the lifting mechanism on the side of the empty box lifts up the two empty sand boxes, then the two sliding plates of the loading mechanism are driven by the motor to move to the lower parts of the sand boxes, then the lifting mechanism descends, the upper molding box 4 is hung on the sliding plates to realize the separation of the upper molding box and the lower molding box, and the lower molding box continues to descend along with the lifting mechanism until being hung on the shifting sliding plate at the lower layer of the loading mechanism; the lifting mechanism is lowered to the bottom to wait for the next sand box group to enter positioning;
the loading mechanism respectively moves an empty upper molding box 4 and an empty lower molding box 2 into a molding station, a molding oil cylinder 12 and a sand bin oil cylinder 13 at the bottom push a sand bin 8 and a lower pressure head 10 to ascend, the lower molding box is supported until the upper end of the lower molding box is contacted with a lower box mold, then the movable mold frame 1 is pushed to ascend together until an upper box mold props against the lower surface of the lower molding box, then the lower molding box and the upper box ascend together, until the upper surface of the lower molding box is contacted with the lower surface of a fixed sand frame 11, and a closed upper box sand shooting space and a closed lower box sand shooting space are respectively formed;
then, the shifting sliding plate of the loading mechanism returns to the middle position to wait for the next group of empty boxes to rise; and the loading mechanism on the other side of the rack enters the forming position to wait for receiving the molding box. After the empty box which is just fed in is subjected to box closing and sand shooting, a plurality of forming oil cylinders simultaneously extrude to finish upper and lower mould modeling;
after the molding is finished, the oil cylinder drives the upper pressure head to ascend to realize the upper molding demoulding, the molding oil cylinder and the sand bin oil cylinder at the lower end descend to drive the sand bin and the lower pressure head to descend, the upper molding box, the movable mould frame and the lower molding box also descend, the upper molding box is firstly received by an upper sliding plate of the molding box moving-out mechanism, then the lower molding box falls onto a lower sliding plate of the molding box moving-out mechanism, and the molding box is moved out by the loading mechanism;
the molding oil cylinder and the sand bin oil cylinder at the lower end drive the sand bin and the lower pressure head to descend continuously to the lowest position, and after the next group of empty boxes are fed, the boxes are closed again, sand is shot and pressed;
after the loading mechanism moves the molding box out, the lifting mechanism on the side of the molding box ascends to firstly receive the lower molding box, the lower molding box continues to ascend after the lower molding box is placed in the mold core, the upper molding box and the lower molding box are assembled and separated from the loading mechanism, the loading mechanism returns to the middle position, the molding box falls along with the lifting mechanism, and a molding cycle is finished.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (8)
1. The utility model provides a double-deck well lid molding machine which characterized in that: the sand box loading device comprises a rack, an upper box forming device, a lower box forming device, a lifting mechanism and a sand box loading mechanism, wherein the upper box forming device and the lower box forming device are stacked up and down in the rack; and lifting mechanisms for bearing the sand boxes are respectively arranged below the loading mechanisms on the two transverse sides of the frame.
2. The double-deck manhole cover molding machine of claim 1, wherein: the machine frame comprises fixed beams, forming guide pillars and movable die frames, wherein the two fixed beams are arranged at intervals up and down, the forming guide pillars are arranged at four corners between the upper fixed beam and the lower fixed beam to form a cubic basic frame, and the movable die frames capable of moving up and down are movably sleeved in the middles of the four forming guide pillars through guide sleeves.
3. The double-deck manhole cover molding machine of claim 2, wherein: case forming device in the installation of activity mould frame top, concrete structure is: an upper box die is fixedly arranged at the upper end of the movable die frame, a fixed sand frame is fixedly arranged on a forming guide pillar above the movable die frame, a pressure head guide plate is movably sleeved on the forming guide pillar above the fixed sand frame, an upper pressure head is arranged in the middle of the pressure head guide plate in a limiting mode, and the upper pressure head is driven by a forming oil cylinder arranged at the upper end of the rack to move up and down.
4. The double-deck manhole cover molding machine of claim 3, wherein: the upper pressure head is provided with sand-shooting auxiliary air holes in a distributed manner, and a sprue pit is arranged on the upper pressure head.
5. The double-deck manhole cover molding machine of claim 2, wherein: the lower box forming device is installed below the movable mold frame, and the specific structure is as follows: a lower box mold is fixedly installed at the lower end of a movable mold frame, two sand bins which are stacked up and down are movably sleeved on a forming guide pillar below the movable mold frame, a sand shooting channel is arranged on the side surface of each sand bin, and the sand shooting channel is directly communicated with the interior of the sand bin; and the other pressure head guide plate is movably sleeved on the forming guide column below the sand bin, a lower pressure head is arranged in the middle of the pressure head guide plate in a limiting way, and the lower pressure head is driven by a forming oil cylinder arranged at the lower end of the rack to move up and down.
6. The double-deck manhole cover molding machine of claim 1, wherein: the loading mechanism comprises linear guide rails, rail seats and sliding plates, the rail seats which are arranged in parallel at intervals are respectively installed on two sides of the middle of the rack, the linear guide rails are oppositely installed on the inner sides of the rail seats, the sliding plates are installed on the linear guide rails in a guiding and sliding mode, and the sliding plates are used for supporting the upper molding box or the lower molding box to be moved to move.
7. The double-deck manhole cover molding machine of claim 1, wherein: the lifting mechanism comprises a base, a flat plate, a lifting oil cylinder and a bracket, wherein the base is of a cubic frame structure, the flat plate is fixedly arranged at the upper end of the base, the lifting oil cylinder is vertically arranged in the middle of the flat plate, a piston rod of the lifting oil cylinder upwards penetrates through the flat plate and is fixedly provided with the bracket, and the lifting oil cylinder drives the bracket to move up and down.
8. The double-deck manhole cover molding machine of claim 7, wherein: the lower ends of brackets at two sides of the oil cylinder are respectively symmetrically provided with a vertical guide rod, the guide rods penetrate through guide sleeves arranged on a flat plate, and the lower ends of the guide rods are connected with the bottom of the lifting oil cylinder through a connecting plate, so that the guide rods and the lifting oil cylinder can synchronously move up and down; a photoelectric switch is arranged on the upper part of one side in the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339196.5U CN209886619U (en) | 2019-03-18 | 2019-03-18 | Double-layer well lid molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339196.5U CN209886619U (en) | 2019-03-18 | 2019-03-18 | Double-layer well lid molding machine |
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| Publication Number | Publication Date |
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| CN209886619U true CN209886619U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920339196.5U Active CN209886619U (en) | 2019-03-18 | 2019-03-18 | Double-layer well lid molding machine |
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| CN (1) | CN209886619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986034A (en) * | 2019-03-18 | 2019-07-09 | 河北中北环保科技有限公司 | A kind of Double-layer drain cover moulding machine |
-
2019
- 2019-03-18 CN CN201920339196.5U patent/CN209886619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986034A (en) * | 2019-03-18 | 2019-07-09 | 河北中北环保科技有限公司 | A kind of Double-layer drain cover moulding machine |
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