CN210702356U - Support sand core forming die for engineering vehicle - Google Patents
Support sand core forming die for engineering vehicle Download PDFInfo
- Publication number
- CN210702356U CN210702356U CN201921699510.7U CN201921699510U CN210702356U CN 210702356 U CN210702356 U CN 210702356U CN 201921699510 U CN201921699510 U CN 201921699510U CN 210702356 U CN210702356 U CN 210702356U
- Authority
- CN
- China
- Prior art keywords
- die
- cavity
- sand core
- support
- lower die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Casting Devices For Molds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to a sand core mould technical field, in particular to a support sand core forming mould for engineering vehicle, which comprises a support, an upper mould, a mould core, a lower mould, a mould cavity, an ejection mechanism and a conveyor belt positioned right below the lower mould, wherein a cavity is formed between the mould core and the mould cavity, and the ejection mechanism is arranged on the lower end surface of the lower mould; the upper die can be movably connected to the support up and down, the lower die can be rotatably connected to the support around the axis on the horizontal plane, and a pouring channel communicated with the die cavity and the outer side of the lower die is formed in the upper end surface of the lower die in a concave mode. When the mold is demolded, the upper mold is moved upwards to be separated from the lower mold, then the lower mold is rotated to enable the cavity to face downwards, so that the lower mold faces the conveyor belt, the formed sand core is ejected out of the conveyor belt through the ejection mechanism, and after the sand core is ejected out, residual sand and other impurities in the cavity can be poured out.
Description
Technical Field
The utility model relates to a psammitolite mould technical field specifically is a support psammitolite moulded die for machineshop car.
Background
The casting process of the support sand core for the engineering truck mainly comprises the following steps: 1. after die assembly, injecting sand into a cavity formed between the core and the cavity through a pouring channel; 2. the cooling speed of the sand material is increased by blowing until the sand material is completely solidified to form a sand core; 3. the upper die and the lower die are controlled to be separated, the sand core is ejected out through the ejection mechanism, and finally the sand core is taken out.
In the actual operation process, the sand core ejected by the ejection mechanism needs to be taken out manually, and after the sand core is taken away, sand materials and other impurities possibly remaining in the cavity need to be swept manually, the automation degree in the whole process is low, the demand on labor force is high, and therefore the support sand core forming die for the engineering vehicle is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a support psammitolite moulded die for machineshop car to solve the not enough that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a support sand core forming die for an engineering truck comprises a support, an upper die, a lower die, an ejection mechanism and a conveying belt located right below the lower die, wherein a core is arranged on the lower end face of the upper die, a cavity is arranged on the upper end face of the lower die, a cavity for forming a support sand core for the engineering truck is formed between the core and the cavity, and the ejection mechanism is installed on the lower end face of the lower die; the upper die is movably connected to the support up and down, the lower die is rotatably connected to the support around an axis on the horizontal plane, and a pouring channel communicated with the die cavity and the outer side of the lower die is formed in the upper end face of the lower die in a concave mode.
The beneficial effects of the utility model reside in that: the utility model has simple structure and reasonable layout; when the die is closed, the lower die is rotated to enable the die cavity on the lower die to be upward, and then the upper die is moved downwards to enable the core on the upper die to be inserted into the die cavity, so that the die closing process is completed; then, injecting sand into the cavity through the pouring gate, and forming a sand core after the sand is cooled, solidified and molded; then, the upper die is separated from the lower die by moving upwards, and the lower die is rotated to enable the cavity on the lower die to face downwards so as to face the conveyor belt; and finally, ejecting the sand core formed in the cavity by the ejection mechanism so as to fall onto the conveying belt, and pouring out residual sand and other impurities in the cavity after the formed sand core is ejected. In the whole process, the requirement on labor force is low, and the automation degree is high.
Preferably, the upper die can be movably connected to the bracket up and down, that is, a first cylinder is mounted on the bracket, the first cylinder is located above the upper die, and the ejection end of the first cylinder is connected with the upper end of the upper die. The advantages are that: the upper die is automatically controlled to move up and down through the first air cylinder.
Preferably, the upper end of the upper die is upwards provided with at least two limiting rods, limiting holes are formed in the positions, corresponding to the limiting rods, of the support, and the limiting rods are in up-and-down sliding fit with the limiting holes. The advantages are that: the precision of the up-and-down movement of the upper die can be ensured under the matching of the limiting rod and the limiting hole.
Preferably, the lower die is rotatably connected to the support around an axis on a horizontal plane, that is, a rotating shaft protrudes from both left and right sides of the lower die, the rotating shaft is connected to an output shaft of a motor mounted on the support through a transmission shaft, and the transmission shaft is mounted on the support through a bearing. The advantages are that: the rotation angle of the lower die can be automatically controlled through the motor.
Preferably, the cross section of the pouring channel is in a U-shaped structure. The advantages are that: the sand material can be injected into the cavity along the inner bottom of the pouring gate, and after the sand material enters the cavity, the air in the cavity is extruded out from the inner upper part of the pouring gate, so that air holes are prevented from appearing on the surface of the formed sand core due to the residual air in the cavity.
Preferably, the horizontal width of the cross section of the pouring channel gradually increases from bottom to top. The advantages are that: according to the characteristic of narrow lower part and wide upper part, on one hand, the discharge speed of the air in the cavity can be improved; on the other hand, after the sand in the cavity is cooled, solidified and molded, the sand in the runner can also form a sand core, and the lower part of the section of the runner is narrow and the upper part of the section of the runner is wide, so that the sand core formed in the runner can be conveniently demoulded.
Preferably, the surface of the conveyor belt is provided with a high-temperature-resistant buffer layer. The advantages are that: the buffer layer can avoid damage to the formed sand core caused by the sand core falling onto the conveying belt.
Preferably, the ejection mechanism comprises a second cylinder, a top plate and a plurality of ejector rods, a plurality of through holes used for communicating the cavity are formed in the lower end face of the lower die in an upward penetrating mode, the upper ends of the ejector rods are in up-and-down sliding fit in the through holes, and the lower ends of the ejector rods are connected with the ejection end of the second cylinder installed at the lower end of the lower die through the top plate. The advantages are that: and the formed sand core is automatically ejected out through the second air cylinder.
Drawings
Fig. 1 is a perspective view (state one) of a frame sand core molding die for a construction vehicle according to an embodiment of the present invention;
fig. 2 is a perspective view (state two) of a sand core forming die of a bracket for a construction vehicle according to an embodiment of the present invention;
fig. 3 is a three-dimensional structure view (state three) of a frame sand core molding die for a machineshop truck according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a connection principle between the motor, the transmission shaft and the rotating shaft according to an embodiment of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present embodiments more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, in an embodiment of the present invention, a support sand core forming die for an engineering vehicle includes a support 1, an upper die 2, a lower die 3, an ejection mechanism 4, and a conveyor belt located right below the lower die 3 (the conveyor belt is a prior art and is drawn in the accompanying drawings), a core 21 is disposed on a lower end surface of the upper die 2, a cavity 31 is disposed on an upper end surface of the lower die 3, and a cavity for forming a support sand core for an engineering vehicle is formed between the core 21 and the cavity 31. The ejection mechanism 4 includes a second cylinder 41, a top plate 42, and ten ejector rods 43 (the number of the ejector rods 43 is not limited thereto, but may be specifically required), ten through holes for communicating the cavity 31 are provided on the lower end surface of the lower die 3 in an upward penetrating manner (the number of the through holes is equal to the number of the ejector rods 43), the upper ends of the ejector rods 43 are vertically slidably fitted in the through holes, and the lower ends of the ejector rods 43 are connected to the ejection ends of the second cylinder 41 mounted at the lower end of the lower die 3 through the top plate 42. Go up mould 2 swing joint from top to bottom in support 1, the accessible is in two first cylinders 11 of installation on support 1, two first cylinder 11 all is located the top of last mould 2 and its ejecting end links to each other with the upper end of last mould 2, can pass through first cylinder 11 automatic control go up the activity from top to bottom of mould 2. The lower die 3 is rotatably connected to the support 1 around an axis on a horizontal plane, namely, a rotating shaft 33 protrudes from each of the left and right side surfaces of the lower die 3, the rotating shaft 33 is connected with an output shaft of a motor 5 mounted on the support 1 through a transmission shaft 8, a bearing 6 is fixedly sleeved on the transmission shaft 8, the bearing 6 is mounted on the support 1 through a bearing mounting rack 7, and the rotating shaft 33 is driven to rotate through the transmission shaft 8 by starting the motor 5, so that the lower die 3 is driven to rotate; in practical operation, in order to facilitate the connection and the detachment between the transmission shaft 8 and the rotating shaft 33 and ensure the stability after the connection between the transmission shaft 8 and the rotating shaft 33, at least two, preferably three, rotating shafts 33 are arranged on the same side of the lower die 3, and then three circular holes 81 are arranged on the transmission shaft 8, as shown in fig. 4, after the three rotating shafts 33 on the left side and the right side of the lower die 3 are respectively and correspondingly inserted into the three circular holes 81, the connection between the rotating shafts 33 and the transmission shaft 8 can be completed, and the rotating shafts 33 and the transmission shaft 8 cannot fall off under the limit of the bearing mounting frame 7 and the motor 5. The upper end surface of the lower die 3 is concavely provided with a pouring gate 32 communicated with the cavity 31 and the outer side of the lower die 3, the cross section of the pouring gate 32 is of a U-shaped structure, when sand is injected into the cavity along the inner bottom of the pouring gate 32, the sand enters the cavity, so that air in the cavity is extruded out from the inner upper part of the pouring gate 32, and air holes are prevented from appearing on the surface of the formed sand core due to residual air in the cavity.
In the embodiment, the horizontal width of the cross section of the pouring gate 32 gradually increases from bottom to top, and according to the characteristics of narrow bottom and wide top, on one hand, the discharge speed of the air in the cavity can be increased; on the other hand, after the sand in the cavity is cooled, solidified and molded, the sand in the runner 32 also forms a sand core, and the lower part and the upper part of the section of the runner 32 are narrow and wide, so that the sand core formed in the runner 32 can be conveniently demolded.
In an embodiment, at least two limiting rods 22, preferably four limiting rods 22, are upward arranged at the upper end of the upper die 2, limiting holes 12 are respectively arranged at positions on the bracket 1 corresponding to the limiting rods 22, and the limiting rods 22 are vertically and slidably fitted in the limiting holes 12. The precision of the up-and-down movement of the upper die 2 can be ensured under the matching of the limiting rod 22 and the limiting hole 12.
In the embodiment, the surface of the conveying belt is provided with a high-temperature-resistant buffer layer, the buffer layer is preferably made of high-temperature-resistant sponge, and the buffer layer plays a role in buffering and damping after the formed sand core falls onto the conveying belt, so that damage to the formed sand core is avoided.
The working principle is as follows: firstly, two motors 5 are started simultaneously, the motors 5 drive a rotating shaft 33 to rotate through a transmission shaft 8, so that a lower die 3 is driven to rotate and a cavity 31 on the lower die is arranged upwards, and then the upper die 2 is driven to move downwards through a first air cylinder 11 (the matching between a limiting rod 22 and a limiting hole 12 can ensure the movement precision of the upper die 2), so that a core 21 on the lower die is inserted into the cavity 31 (the matching precision between the core 21 and the cavity 31 is ensured through the positioning matching between a positioning rod 23 at the lower end of the upper die 2 and a positioning hole 34 on the upper end face of the lower die 3), and a cavity is formed between the core 21 and the cavity 31, namely, the die assembly is completed (as shown; then, injecting sand into the cavity along the inner bottom of the pouring gate 32, and extruding air in the cavity along the inner upper part of the pouring gate 32 after the sand is injected into the cavity until the cavity and the pouring gate 32 are completely filled with the sand; then, blowing the upper die 2 and the lower die 3, and heating the cooling speed of the sand material in the cavity until the sand material is completely solidified to form a sand core; finally, the first cylinder 11 drives the upper die 2 to move upwards, the lower die 3 is driven by the two motors 5 to rotate 180 degrees anticlockwise, the cavity 31 faces downwards to the conveyor belt, the ejector rod 43 is driven by the second cylinder 41 to eject the formed sand core in the cavity 31, the formed sand core is ejected and falls onto the conveyor belt, and after the sand core is ejected, sand materials and other impurities in the cavity 31 can be poured out under the action of gravity. In the whole process, the requirement on labor force is low, and the automation degree is high.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A support sand core forming die for an engineering truck comprises a support (1), an upper die (2), a lower die (3) and an ejection mechanism (4), wherein a core (21) is arranged on the lower end face of the upper die (2), a cavity (31) is arranged on the upper end face of the lower die (3), a cavity for forming the support sand core for the engineering truck is formed between the core (21) and the cavity (31), and the ejection mechanism (4) is installed on the lower end face of the lower die (3); the automatic feeding device is characterized by further comprising a conveyor belt located under the lower die (3), the upper die (2) can be movably connected to the support (1) up and down, the lower die (3) can be rotatably connected to the support (1) around an axis located on the horizontal plane, and a pouring channel (32) communicated with the outer sides of the die cavity (31) and the lower die (3) is formed in the upper end face of the lower die (3) in a concave mode.
2. The support sand core forming die for the engineering vehicle as claimed in claim 1, wherein the upper die (2) is movably connected to the support (1) up and down, which means that a first cylinder (11) is installed on the support (1), the first cylinder (11) is located above the upper die (2) and the ejection end of the first cylinder is connected to the upper end of the upper die (2).
3. The sand core forming die for the bracket of the engineering vehicle as claimed in claim 2, wherein the upper end of the upper die (2) is provided with at least two limiting rods (22) upwards, the bracket (1) is provided with limiting holes (12) at positions corresponding to the limiting rods (22), and the limiting rods (22) are in up-and-down sliding fit with the limiting holes (12).
4. The sand core forming die for the bracket of the engineering vehicle as claimed in claim 1, wherein the lower die (3) is rotatably connected to the bracket (1) around an axis on a horizontal plane, that is, a rotating shaft (33) is integrally protruded on both left and right side surfaces of the lower die (3), the rotating shaft (33) is connected to an output shaft of a motor (5) mounted on the bracket (1) through a transmission shaft (8), and the transmission shaft (8) is mounted on the bracket (1) through a bearing (6).
5. The sand core forming die for a frame of a construction vehicle as claimed in claim 1, wherein the cross section of the runner (32) has a U-shaped configuration.
6. The sand core forming die for a support for a construction vehicle as claimed in claim 5, wherein the horizontal width of the cross section of the runner (32) is gradually increased from bottom to top.
7. The sand core forming die for the bracket of the engineering vehicle as claimed in claim 1, wherein a surface of the conveyor belt is provided with a high temperature resistant buffer layer.
8. The sand core forming die for the bracket of the engineering vehicle as claimed in claim 1, wherein the ejector mechanism (4) comprises a second cylinder (41), a top plate (42) and a plurality of ejector rods (43), a plurality of through holes for communicating the cavity (31) are arranged on the lower end surface of the lower die (3) in an upward penetrating manner, the upper ends of the ejector rods (43) are in up-and-down sliding fit in the through holes, and the lower ends of the ejector rods (43) are connected with the ejector ends of the second cylinder (41) arranged at the lower end of the lower die (3) through the top plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699510.7U CN210702356U (en) | 2019-10-11 | 2019-10-11 | Support sand core forming die for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699510.7U CN210702356U (en) | 2019-10-11 | 2019-10-11 | Support sand core forming die for engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702356U true CN210702356U (en) | 2020-06-09 |
Family
ID=70955599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921699510.7U Expired - Fee Related CN210702356U (en) | 2019-10-11 | 2019-10-11 | Support sand core forming die for engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702356U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822684A (en) * | 2020-06-10 | 2020-10-27 | 安徽霍山龙鑫金属科技有限公司 | Demoulding and cleaning mechanism for casting |
| CN112008068A (en) * | 2020-09-02 | 2020-12-01 | 天长市天翔集团有限公司 | Metal casting drawing of patterns unloading equipment |
| CN112059154A (en) * | 2020-08-07 | 2020-12-11 | 安徽埃斯克制泵有限公司 | Self priming pump body sand casting shedder |
| CN112170790A (en) * | 2020-09-11 | 2021-01-05 | 繁昌县琪鑫铸造有限公司 | Forming equipment is used in processing of automobile brake's aluminium finished piece |
-
2019
- 2019-10-11 CN CN201921699510.7U patent/CN210702356U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822684A (en) * | 2020-06-10 | 2020-10-27 | 安徽霍山龙鑫金属科技有限公司 | Demoulding and cleaning mechanism for casting |
| CN111822684B (en) * | 2020-06-10 | 2021-08-13 | 安徽霍山龙鑫金属科技有限公司 | Demoulding and cleaning mechanism for casting |
| CN112059154A (en) * | 2020-08-07 | 2020-12-11 | 安徽埃斯克制泵有限公司 | Self priming pump body sand casting shedder |
| CN112059154B (en) * | 2020-08-07 | 2021-10-29 | 安徽埃斯克制泵有限公司 | Self priming pump body sand casting shedder |
| CN112008068A (en) * | 2020-09-02 | 2020-12-01 | 天长市天翔集团有限公司 | Metal casting drawing of patterns unloading equipment |
| CN112008068B (en) * | 2020-09-02 | 2021-09-07 | 天长市天翔集团有限公司 | Metal casting drawing of patterns unloading equipment |
| CN112170790A (en) * | 2020-09-11 | 2021-01-05 | 繁昌县琪鑫铸造有限公司 | Forming equipment is used in processing of automobile brake's aluminium finished piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210702356U (en) | Support sand core forming die for engineering vehicle | |
| CN109605682B (en) | Injection mould | |
| CN112109181B (en) | Aerated concrete block preparation and forming method | |
| CN112476748A (en) | Supplementary shedder of prefab | |
| CN117325392B (en) | Discharging device for plastic heat-preservation integrated plate processing and using method | |
| CN219052892U (en) | High-efficient upset shedder | |
| CN115674587A (en) | Composite core-pulling type injection mold | |
| CN214517498U (en) | Hollow ultrathin-wall section hot extrusion die | |
| CN214026968U (en) | Injection mold with automatic cutout mechanism | |
| CN114454443A (en) | Injection mold with ejection structure facilitating demolding | |
| CN208084865U (en) | Injection mold and Novel injection mold for ramp structure | |
| CN218399299U (en) | Dismantle convenient quick forming die | |
| CN219171521U (en) | Gear production mould convenient to drawing of patterns | |
| CN111659860A (en) | Sand making device and method for automobile brake pad casting model | |
| CN112238523A (en) | Preparation method of coal gangue heat-insulation building block | |
| CN215150195U (en) | Forming die of prefabricated ecological concrete sea cucumber culture box | |
| CN221048914U (en) | Injection molding bottom die convenient for demolding | |
| CN219648664U (en) | Steel casting mold convenient to demolding | |
| CN212888717U (en) | Injection mold with single-sprue multi-runner structure | |
| CN220482462U (en) | Injection mold of plug | |
| CN219466878U (en) | Injection mold with sliding block inner inclined top structure | |
| CN221272123U (en) | Ultra-high precision composite energy-saving section bar forming die | |
| CN220198384U (en) | Precise injection molding die for automobile back door plate | |
| CN219563543U (en) | Thermal insulation concrete block forming equipment | |
| CN221269603U (en) | General locomotive casting mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220304 Address after: 315726 Xin Qiao Zhen Dong Xi Cun, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Ningbo Duocheng Machinery Casting Co.,Ltd. Address before: 315700 Dongxi industrial gathering point, Dongxi village, Xinqiao Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: NINGBO ZHONGFA MACHINERY DIE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |