CN216068517U - Workpiece demoulding auxiliary structure for injection mould - Google Patents
Workpiece demoulding auxiliary structure for injection mould Download PDFInfo
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- CN216068517U CN216068517U CN202121983223.6U CN202121983223U CN216068517U CN 216068517 U CN216068517 U CN 216068517U CN 202121983223 U CN202121983223 U CN 202121983223U CN 216068517 U CN216068517 U CN 216068517U
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Abstract
The utility model relates to the technical field of injection molds, in particular to a workpiece demoulding auxiliary structure for an injection mold. According to the automatic laminating and sealing device, the demoulding mechanism is arranged to realize automatic laminating, sealing and demoulding separation of the upper mould and the lower mould, the structural design is ingenious, the operation is simple, the laminating and positioning are accurate, the processing quality is improved, the elastic resetting mechanism, the pressure rod and the top plate are arranged, the automatic stripping of workpieces can be realized, the labor is saved, the stripping is convenient, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a workpiece demolding auxiliary structure for an injection mold.
Background
The product is usually produced and molded by rubber injection molding and plastic injection molding, the product demolding is the last link in the injection molding process, the quality of demolding quality finally determines the quality of the product, the demolding mechanism needs to be operated reliably and flexibly and has enough strength and wear resistance, for example, the sliding and contacting surface of the demolding mechanism and the product has strict requirements on strength and wear resistance, a lubricating groove can be formed on the sliding and contacting surface for design improvement, and the surface hardness and wear resistance can be improved by nitriding treatment if necessary.
The existing injection mold is too simple in structure, the attaching or separating operation between the upper mold and the lower mold is inconvenient, the positioning is not accurate, the injection molding quality is affected, the workpiece is difficult to automatically demold, and the injection molding efficiency is affected. Accordingly, a work piece demolding assistance structure for an injection mold is provided by those skilled in the art to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a workpiece demoulding auxiliary structure for an injection mould, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a workpiece demoulding auxiliary structure for an injection mould comprises an upper mould and a lower mould, wherein the upper mould is positioned right above the lower mould, the upper side of the upper mould is communicated with and provided with an injection port, the upper side of the lower mould is provided with a mould groove, two sides of the lower mould are respectively and fixedly connected with two vertically and symmetrically arranged demoulding mechanisms, one ends of the two demoulding mechanisms are respectively and fixedly connected with two sides of the upper mould, the lower mould is internally provided with a mounting cavity, the upper side of the mounting cavity is provided with a sealing port communicated with the mould groove, the mounting cavity is internally provided with two elastic resetting mechanisms, the two elastic resetting mechanisms are respectively and symmetrically arranged at two sides of the sealing port, the far end of the two elastic resetting mechanisms is respectively and fixedly connected with two vertically arranged pressing rods, the pressing rods penetrate through the upper side of the lower mould and extend upwards, one ends of the two elastic resetting mechanisms both penetrate through the sealing port and extend into the mould groove and are fixedly connected with a top plate, and the top plate is matched with the sealing port.
As a still further scheme of the utility model: demoulding mechanism includes the vertical hollow post of fixing in bed die one side, one side lower part fixedly connected with step motor of hollow post, and the horizontal drive shaft that sets up of step motor's drive end fixedly connected with, the one end of drive shaft runs through and extends to hollow post in and fixedly connected with initiative bevel gear, the both ends inner wall of hollow post rotates the lead screw that is connected with vertical setting through the bearing frame, and fixedly connected with and the driven bevel gear that initiative bevel gear meshing is connected on the lead screw, threaded connection has the thread block on the lead screw, and one side fixedly connected with connecting rod of thread block, smooth mouthful has been seted up to one side of hollow post, and the one end that the thread block was kept away from to the connecting rod runs through smooth mouthful and with one side fixed connection of last mould.
As a still further scheme of the utility model: one side of the threaded block, which is far away from the connecting rod, is tightly propped against the inner wall of the hollow column and is in sliding connection with the inner wall of the hollow column.
As a still further scheme of the utility model: elasticity canceling release mechanical system includes vertical branch of fixing in the installation cavity, the cover is established and sliding connection has the sliding sleeve piece on the branch, and the downside of sliding sleeve piece passes through compression spring and the interior diapire fixed connection of installation cavity, compression spring overlaps on locating branch, the first L shape pole of one side fixedly connected with of sliding sleeve piece, and the one end and the depression bar fixed connection of sliding sleeve piece are kept away from to first L shape pole, one side fixedly connected with second L shape pole that first L shape pole was kept away from to the sliding sleeve piece, and second L shape pole keep away from the one end of sliding sleeve piece and run through sealed mouthful and with roof fixed connection.
As a still further scheme of the utility model: the through hole that sets up with the installation cavity intercommunication is seted up to the upside of bed die, and the depression bar passes the through hole setting.
As a still further scheme of the utility model: the front side fixedly connected with PLC controller of bed die, and two demoulding mechanism's one end all with PLC controller electric connection.
As a still further scheme of the utility model: the section of the sealing opening is in an inverted trapezoid shape, and the top plate is the same as the section of the sealing opening.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up demoulding mechanism, start two step motor synchronous working, drive the drive shaft and rotate, and then drive the rotation of drive bevel gear, and then drive the lead screw and rotate, the screw thread piece is forced to move down this moment, and then drive and move down with the fixed last mould of connecting rod, when going up the mould and laminating completely, roof and sealing port support tightly sealedly this moment, form the mould groove, can carry out injection-moulded, when demoulding, start step motor reversal work, and on the same way, it shifts up with the lower mould separation to drive the last mould, realize the drawing of patterns, structural design is ingenious, the operation is simple, the laminating location is accurate, and the processing quality is improved.
2. Through setting up elasticity canceling release mechanical system, depression bar and roof, go up the mould and move down, at first, go up the mould and press bar contact, at this moment, can promote the sliding sleeve piece fixed with first L shape pole to move down on branch, compression spring receives the extrusion shrink of sliding sleeve piece to produce elasticity this moment, simultaneously, drive the roof fixed with second L shape pole and move down in the mould groove, when going up mould and bed die complete laminating, the roof supports tight seal with the sealing opening this moment, when demoulding, it shifts up with the bed die separation to drive the mould, compression spring promotes the sliding sleeve piece and moves up because of the elastic force, and then promote the depression bar and reset, simultaneously, promote the automatic work piece in jacking up the mould groove of roof, thereby realize the automatic drawing of patterns and take off the material operation, the manpower is saved, it is convenient to take off the material, and improve machining efficiency.
Drawings
FIG. 1 is a schematic perspective view of a work-piece demolding auxiliary structure for an injection mold;
FIG. 2 is a schematic sectional view of a demolding mechanism in a workpiece demolding auxiliary structure for an injection mold in front elevation;
fig. 3 is a schematic front sectional view of a lower mold in a work-piece demolding assistance structure for an injection mold.
In the figure: 1. an upper die; 2. a lower die; 3. a mold slot; 4. a mounting cavity; 5. sealing the opening; 6. a pressure lever; 7. a top plate; 8. a hollow column; 9. a stepping motor; 10. a drive shaft; 11. a drive bevel gear; 12. a screw rod; 13. a driven bevel gear; 14. a thread block; 15. a connecting rod; 16. a sliding port; 17. a strut; 18. a sliding sleeve block; 19. a compression spring; 20. a first L-shaped bar; 21. a second L-shaped bar; 22. a PLC controller.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, a workpiece demolding auxiliary structure for an injection mold comprises an upper mold 1 and a lower mold 2, wherein the upper mold 1 is located right above the lower mold 2, an injection port is communicated with the upper side of the upper mold 1, the injection mold is connected to the upper mold, a mold groove 3 is formed in the upper side of the lower mold 2 for injection molding, two vertically and symmetrically arranged demolding mechanisms are respectively and fixedly connected to two sides of the lower mold 2, one end of each demolding mechanism is respectively and fixedly connected to two sides of the upper mold 1, a mounting cavity 4 is formed in the lower mold 2, a sealing port 5 communicated with the mold groove 3 is formed in the upper side of the mounting cavity 4, two elastic force resetting mechanisms are arranged in the mounting cavity 4, the two elastic force resetting mechanisms are respectively and symmetrically arranged on two sides of the sealing port 5, two ends far away from the two elastic force resetting mechanisms are respectively and fixedly connected to two vertically arranged pressing rods 6, the compression rod 6 penetrates through the upper side of the lower die 2 and extends upwards, one ends, close to each other, of the two elastic resetting mechanisms penetrate through the sealing opening 5 and extend into the die groove 3, the top plate 7 is fixedly connected with the sealing opening 5, the top plate 7 is arranged in a matched mode with the sealing opening 5, the length of the compression rod 6 located on the outer side of the lower die 2 is equal to the distance between the top plate 7 and the sealing opening 5, and the fitting condition is guaranteed;
in fig. 1 and 2: the demoulding mechanism comprises a hollow column 8 vertically fixed on one side of a lower mould 2, the lower part of one side of the hollow column 8 is fixedly connected with a stepping motor 9, the driving end of the stepping motor 9 is fixedly connected with a driving shaft 10 which is transversely arranged, one end of the driving shaft 10 penetrates and extends into the hollow column 8 and is fixedly connected with a driving bevel gear 11, the inner walls of the two ends of the hollow column 8 are rotatably connected with a vertically arranged screw rod 12 through a bearing seat, a driven bevel gear 13 which is meshed and connected with the driving bevel gear 11 is fixedly connected on the screw rod 12, a thread block 14 is connected on the screw rod 12 in a threaded manner, one side of the thread block 14 is fixedly connected with a connecting rod 15, one side of the hollow column 8 is provided with a sliding opening 16, one end of the connecting rod 15, which is far away from the thread block 14, penetrates through the sliding opening 16 and is fixedly connected with one side of the upper mould 1, the stepping motor 9 is started to synchronously work to drive the driving shaft 10 to rotate so as to further drive the driving bevel gear 11 to rotate, the driving bevel gear 11 is meshed with the driven bevel gear 13 to further drive the screw rod 12 to rotate, the screw rod 12 is in threaded connection with the thread block 14, and the axial rotation of the thread block 14 is limited by the hollow column 8, so that the thread block 14 is forced to displace to further drive the upper die 1 fixed with the connecting rod 15 to displace, automatic laminating or demolding is realized, the structural design is ingenious, the operation is simple, the laminating and positioning are accurate, and the processing quality is improved;
in fig. 2: one side of the thread block 14, which is far away from the connecting rod 15, is tightly propped against the inner wall of the hollow column 8 and is in sliding connection with the inner wall, so that the axial rotation of the thread block 14 can be limited;
in fig. 3: the elastic force resetting mechanism comprises a supporting rod 17 vertically fixed in the installation cavity 4, a sliding sleeve block 18 is sleeved and connected on the supporting rod 17 in a sliding manner, the lower side of the sliding sleeve block 18 is fixedly connected with the inner bottom wall of the installation cavity 4 through a compression spring 19, the compression spring 19 is sleeved on the supporting rod 17, one side of the sliding sleeve block 18 is fixedly connected with a first L-shaped rod 20, one end, far away from the sliding sleeve block 18, of the first L-shaped rod 20 is fixedly connected with a pressure rod 6, one side, far away from the first L-shaped rod 20, of the sliding sleeve block 18 is fixedly connected with a second L-shaped rod 21, one end, far away from the sliding sleeve block 18, of the second L-shaped rod 21 is fixedly connected with a penetrating seal port 5 and a top plate 7, when the upper die 1 moves downwards, firstly, the upper die 1 is in contact with the pressure rod 6, at the moment, the sliding sleeve block 18 fixed with the first L-shaped rod 20 can be pushed to move upwards and downwards on the supporting rod 17, at the moment, the compression spring 19 is extruded and contracted by the sliding sleeve block 18 to generate elastic force, meanwhile, the top plate 7 fixed with the second L-shaped rod 21 is driven to move downwards in the die groove 3, when the upper die 1 is completely attached to the lower die 2, the top plate 7 is tightly abutted to the sealing port 5 for sealing to form the die groove 3, injection molding can be carried out, when the upper die 1 moves upwards to be separated from the lower die 2, the compression spring 19 pushes the sliding sleeve block 18 to move upwards due to the elastic force, the compression rod 6 is further pushed to reset, and meanwhile, the top plate 7 is pushed to automatically jack up a workpiece in the die groove 3, so that automatic demolding and stripping operation is realized, the structural design is ingenious, the operation is simple, the labor is saved, and the processing efficiency and the quality are improved;
in fig. 3: a through hole communicated with the mounting cavity 4 is formed in the upper side of the lower die 2, and the compression bar 6 penetrates through the through hole, so that the compression bar 6 can be conveniently displaced;
in fig. 1: the front side of the lower die 2 is fixedly connected with a PLC (programmable logic controller) 22, and one ends of the two demolding mechanisms are electrically connected with the PLC 22, so that the operation and the control are convenient, and the prior art is provided;
in fig. 3: the section of sealing port 5 is the trapezoidal setting of falling, and roof 7 is the same with the section of sealing port 5, ensures the laminating leakproofness.
The working principle of the utility model is as follows: when the device is used for injection molding, firstly, the two stepping motors 9 are started to synchronously work to drive the driving shaft 10 to rotate and further drive the driving bevel gear 11 to rotate, the driving bevel gear 11 is meshed with the driven bevel gear 13 and further drive the screw rod 12 to rotate, the screw rod 12 is in threaded connection with the thread block 14, and the axial rotation of the thread block 14 is limited by the hollow column 8, so that the thread block 14 is forced to move downwards, and further drive the upper mold 1 fixed with the connecting rod 15 to move downwards, firstly, the upper mold 1 is in contact with the pressure rod 6, at the moment, the sliding sleeve block 18 fixed with the first L-shaped rod 20 can be pushed to move upwards and downwards on the supporting rod 17, at the moment, the compression spring 19 is extruded and contracted by the sliding sleeve block 18 to generate elastic force, meanwhile, the top plate 7 fixed with the second L-shaped rod 21 is driven to move downwards in the mold groove 3, and when the upper mold 1 is completely attached to the lower mold 2, at the moment, the top plate 7 is tightly sealed with the sealing opening 5, a mould groove 3 is formed, injection molding can be carried out, and the attaching and positioning are accurate;
when demoulding, start step motor 9 reversal work, like the same thing, drive and go up mould 1 and move upward and 2 separation of bed die, compression spring 19 this moment is owing to elastic action, promote sliding sleeve piece 18 and move upward, and then promote depression bar 6 and reset, simultaneously, promote the work piece in the automatic jack-up mould groove 3 of roof 7 to realize automatic drawing of patterns and take off the material operation, structural design is ingenious, and easy operation uses manpower sparingly, and improves machining efficiency and quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A workpiece demoulding auxiliary structure for an injection mould comprises an upper mould (1) and a lower mould (2), and is characterized in that the upper mould (1) is positioned right above the lower mould (2), an injection molding opening is communicated with the upper side of the upper mould (1), a mould groove (3) is formed in the upper side of the lower mould (2), two vertical symmetrically-arranged demoulding mechanisms are fixedly connected to the two sides of the lower mould (2) respectively, one ends of the two demoulding mechanisms are fixedly connected with the two sides of the upper mould (1) respectively, an installation cavity (4) is arranged in the lower mould (2), a sealing opening (5) communicated with the mould groove (3) is formed in the upper side of the installation cavity (4), two elastic resetting mechanisms are arranged in the installation cavity (4), and the two elastic resetting mechanisms are positioned in the two sides of the sealing opening (5) respectively and symmetrically arranged, two the one end that elasticity canceling release mechanical system was far away mutually is fixedly connected with depression bar (6) of two vertical settings respectively, and depression bar (6) run through the upside of bed die (2) and upwards extend the setting, two the one end that elasticity canceling release mechanical system is close all runs through sealing opening (5) and extends to in mould groove (3) and fixedly connected with roof (7), and roof (7) and sealing opening (5) match the setting.
2. The auxiliary workpiece demolding structure for the injection mold according to claim 1, wherein the demolding mechanism comprises a hollow column (8) vertically fixed on one side of the lower mold (2), a stepping motor (9) is fixedly connected to the lower portion of one side of the hollow column (8), a driving end of the stepping motor (9) is fixedly connected with a driving shaft (10) transversely arranged, one end of the driving shaft (10) extends into the hollow column (8) and is fixedly connected with a driving bevel gear (11), inner walls of two ends of the hollow column (8) are rotatably connected with a vertically arranged screw rod (12) through a bearing seat, a driven bevel gear (13) meshed with the driving bevel gear (11) is fixedly connected to the screw rod (12), a thread block (14) is connected to the screw rod (12) in a threaded manner, and a connecting rod (15) is fixedly connected to one side of the thread block (14), one side of the hollow column (8) is provided with a sliding opening (16), and one end, far away from the thread block (14), of the connecting rod (15) penetrates through the sliding opening (16) and is fixedly connected with one side of the upper die (1).
3. The auxiliary structure for demolding a workpiece for an injection mold as claimed in claim 2, characterized in that the side of the threaded block (14) remote from the connecting rod (15) abuts against and is slidably connected with the inner wall of the hollow column (8).
4. The work piece releasing assist structure for an injection mold according to claim 1, the elastic reset mechanism comprises a supporting rod (17) vertically fixed in the mounting cavity (4), a sliding sleeve block (18) is sleeved and connected on the supporting rod (17) in a sliding way, the lower side of the sliding sleeve block (18) is fixedly connected with the inner bottom wall of the installation cavity (4) through a compression spring (19), the compression spring (19) is sleeved on the support rod (17), one side of the sliding sleeve block (18) is fixedly connected with a first L-shaped rod (20), and one end of the first L-shaped rod (20) far away from the sliding sleeve block (18) is fixedly connected with the pressure rod (6), one side of the sliding sleeve block (18) far away from the first L-shaped rod (20) is fixedly connected with a second L-shaped rod (21), and one end of the second L-shaped rod (21) far away from the sliding sleeve block (18) is fixedly connected with the penetrating sealing port (5) and the top plate (7).
5. The auxiliary structure for demolding a workpiece for the injection mold as claimed in claim 1, wherein the upper side of the lower mold (2) is provided with a through hole communicated with the mounting cavity (4), and the compression bar (6) is arranged to penetrate through the through hole.
6. The workpiece demolding auxiliary structure for the injection mold according to claim 1, wherein a PLC (programmable logic controller) controller (22) is fixedly connected to the front side of the lower mold (2), and one end of each of the two demolding mechanisms is electrically connected with the PLC controller (22).
7. The work piece demolding auxiliary structure for an injection mold as set forth in claim 1, wherein the cross section of the seal opening (5) is in an inverted trapezoidal shape, and the top plate (7) has the same cross section as the seal opening (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121983223.6U CN216068517U (en) | 2021-08-23 | 2021-08-23 | Workpiece demoulding auxiliary structure for injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121983223.6U CN216068517U (en) | 2021-08-23 | 2021-08-23 | Workpiece demoulding auxiliary structure for injection mould |
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| Publication Number | Publication Date |
|---|---|
| CN216068517U true CN216068517U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121983223.6U Active CN216068517U (en) | 2021-08-23 | 2021-08-23 | Workpiece demoulding auxiliary structure for injection mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256826A (en) * | 2022-09-28 | 2022-11-01 | 南京多艾玩具有限公司 | Injection molding device is used in toy processing of benefiting intelligence |
| CN116079962A (en) * | 2022-12-22 | 2023-05-09 | 江苏惠利隆塑业集团有限公司 | Household electrical appliances shell injection moulding mould |
-
2021
- 2021-08-23 CN CN202121983223.6U patent/CN216068517U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256826A (en) * | 2022-09-28 | 2022-11-01 | 南京多艾玩具有限公司 | Injection molding device is used in toy processing of benefiting intelligence |
| CN115256826B (en) * | 2022-09-28 | 2023-01-10 | 汕头市深宝玩具有限公司 | Injection molding device is used in toy processing of benefiting intelligence |
| CN116079962A (en) * | 2022-12-22 | 2023-05-09 | 江苏惠利隆塑业集团有限公司 | Household electrical appliances shell injection moulding mould |
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