CN211763104U - Mould for injection molding of rubber part - Google Patents
Mould for injection molding of rubber part Download PDFInfo
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- CN211763104U CN211763104U CN201922285582.3U CN201922285582U CN211763104U CN 211763104 U CN211763104 U CN 211763104U CN 201922285582 U CN201922285582 U CN 201922285582U CN 211763104 U CN211763104 U CN 211763104U
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Abstract
The utility model relates to a technical field that moulds plastics especially relates to a mould that rubber spare was used moulds plastics. In order to improve the production efficiency of rubber parts and reduce the production cost, the utility model provides a mold for rubber part injection, wherein, in the mold core, a front mold cavity on a front template is butted with a rear mold cavity on a rear template to form a mold cavity; a main clamping groove and a slave clamping groove are formed in the mold core; in the demoulding mechanism, a main lifting rod is clamped in a main clamping groove, and a slave lifting rod is clamped in a slave clamping groove; the two demoulding side plates are attached to two sides of the mold core, the head ends of the demoulding side plates are fixedly connected with the main lifting rod, and the tail ends of the demoulding side plates are provided with sliding grooves for inserting the auxiliary lifting rods; the center insert and the outer insert are installed in the die cavity in a butt joint mode, the free end of the center insert is inserted into the center insert inserting groove in the main lifting rod, and the free end of the outer insert is inserted into the outer insert inserting groove in the auxiliary lifting rod. Adopt the utility model discloses the mould that the rubber spare was moulded plastics and is used forms the rubber spare, and production efficiency is high, low in production cost.
Description
Technical Field
The utility model relates to a technical field that moulds plastics especially relates to a mould that rubber spare was used moulds plastics.
Background
The rubber member 01 shown in fig. 1 is generally formed by injection molding using an injection mold. However, the shape of the rubber part is irregular, and after the injection molding is finished, the demolding is inconvenient, so that the production efficiency of the rubber part is low, and the production cost is high.
SUMMERY OF THE UTILITY MODEL
In order to improve the production efficiency of rubber parts and reduce the production cost, the utility model provides a mold for injection molding of rubber parts, which comprises a mold core, a demolding mechanism, a central mold insert and an outer mold insert, wherein the mold core comprises a front template and a rear template, the front template is provided with a front mold cavity, the rear template is provided with a rear mold cavity, and when the front template and the rear template are buckled with each other, the front mold cavity and the rear mold cavity are butted to form the mold cavity; a main clamping groove and a slave clamping groove are formed in the mold core, the main clamping groove is located at the head end of the mold core, and the slave clamping groove is located at the tail end of the mold core;
the demolding mechanism comprises a main lifting rod, a secondary lifting rod and two demolding side plates, wherein the main lifting rod is clamped in the main clamping groove, and a central insert inserting groove is formed in the side surface, facing the mold groove, of the main lifting rod; the auxiliary lifting rod is clamped in the auxiliary clamping groove, and an external insert inserting groove is formed in the side surface, facing the die cavity, of the auxiliary lifting rod; the two demolding side plates are attached to two sides of the mold core, the head ends of the demolding side plates are fixedly connected with the main lifting rod, and the tail ends of the demolding side plates are provided with sliding grooves for inserting the auxiliary lifting rods;
the center insert and the outer insert are installed in the die cavity in a butt joint mode, the free end of the center insert is inserted into the center insert insertion groove and connected with the main lifting rod, and the free end of the outer insert is inserted into the outer insert insertion groove and connected with the auxiliary lifting rod.
Adopt the utility model discloses when the mould that the rubber spare was moulded plastics and is formed the rubber spare, behind the die sinking, to preceding template direction jack-up drawing of patterns curb plate, make the drawing of patterns curb plate drive the owner and lift the pole and keep away from the back template from lifting the pole and lifting the central mold insert of connection and outer inlay to make the rubber spare that forms and the cover of moulding plastics and put on central mold insert break away from the die cavity, make things convenient for the personnel of moulding plastics to take off the rubber spare that forms of moulding plastics, accomplish the drawing of patterns. Therefore, adopt the utility model discloses the mould that the rubber spare was moulded plastics and is used forms the irregular rubber spare of shape, and drawing of patterns convenient and fast can effectively improve the production efficiency of rubber spare, and then can effectively reduce the manufacturing cost of rubber spare.
Preferably, the sliding grooves comprise a flat sliding groove and an inclined sliding groove which are communicated, the starting end of the flat sliding groove is close to the middle part of the demoulding side plate, and the central line of the flat sliding groove is parallel to the top surface of the rear template; and the terminal of the inclined sliding groove is close to the tail end of the demoulding side plate, and the inclined sliding groove inclines towards the rear template. Like this, after the die sinking, lift the head end of drawing of patterns curb plate, make the main pole of lifting move in order to keep away from the back template along the preceding template direction of vertical direction to make the slope of central mold insert and the rubber spare that forms of moulding plastics lift up and drop the die cavity, accomplish the drawing of patterns operation, easy operation is convenient and required consumption is less, further reduces the manufacturing cost of rubber spare.
Preferably, a connecting plate is arranged at the end part of the lifting rod and is positioned between the mold core and the demolding side plate, a sliding rod inserted into the sliding groove is installed on the connecting plate, and the sliding rod is positioned at the starting end of the flat sliding groove when the mold is closed. Like this, when lifting the drawing of patterns curb plate from the head end of drawing of patterns curb plate, the head end of drawing of patterns curb plate removes to preceding template direction, and the tail end of drawing of patterns curb plate slides under the direction of slide bar, avoids the drawing of patterns curb plate to appear the dislocation at the slip process, influences the drawing of patterns. Further, the connecting plate is clamped in a connecting groove on the outer side wall of the mold core. Like this, can avoid forming the space because of the erection joint board between the lateral wall of drawing of patterns curb plate and mold core, and then avoid the drawing of patterns curb plate to rock or the dislocation when sliding, influence is moulded plastics. Further preferably, a buffer block is mounted on the demolding side plate, and the buffer block is located in the connecting groove and clamped between the connecting plate and the mold core when the mold is closed. Like this, at the compound die in-process, utilize the buffer block to slow down the slip speed of drawing of patterns curb plate, can avoid on the initiating terminal striking of flat spout to the slide bar, cause the damage to the slide bar, influence even and mould plastics.
Preferably, a demoulding guide rod is arranged on the rear template and penetrates through the main lifting rod and the front template. Therefore, in the process of opening or closing the mold, the moving direction of the main lifting rod is guided by the demolding guide rod, so that the phenomenon that the main lifting rod is dislocated in the process of opening or closing the mold to influence the opening or closing the mold is avoided, and the injection molding efficiency is improved.
Preferably, the end part of the main lifting rod is provided with a positioning rod inserted on the demoulding side plate, and the main lifting rod is vertically connected with the demoulding side plate through a connecting bolt. Like this, in the equipment the utility model discloses during the mould of rubber spare usefulness of moulding plastics, usable locating lever is lifted the pole to the owner and is fixed a position, and convenient equipment utilizes connecting bolt to connect owner to lift pole and drawing of patterns curb plate, connects stably.
Preferably, the top of the mold core is provided with a front mold pressing piece, and the front mold pressing piece is pressed on the front mold plate and is connected with the front mold plate through a connecting bolt; and a rear die ejecting piece is arranged at the bottom of the die core, is arranged on the rear template in an overhead manner and is connected with the rear template through a connecting bolt. Therefore, when the mold is opened, the front mold plate can be taken away from the rear mold plate by lifting the front mold pressing piece, the mold opening operation is simple and convenient, the injection molding efficiency can be improved, and the production cost of the rubber piece is reduced.
Drawings
FIG. 1 is a schematic structural view of a rubber part to be injection molded;
FIG. 2 is a schematic structural view of the mold for injection molding of rubber parts according to the present invention;
FIG. 3 is a schematic structural view of the mold for injection molding of rubber parts shown in FIG. 2 with the front mold part and the front mold plate removed;
fig. 4 is a schematic view of the mold for injection molding of rubber member shown in fig. 3, with a mold release side plate removed.
Detailed Description
The following describes the mold for injection molding of rubber member according to the present invention in detail with reference to fig. 2 to 4.
The utility model discloses mould that rubber spare was moulded plastics and is used includes mold core, demoulding mechanism, central mold insert 3 and outer insert 4. The mold core comprises a front mold plate 11 and a rear mold plate 12, a front mold cavity (not shown in the figure) is formed in the front mold plate 11, a rear mold cavity 121 is formed in the rear mold plate 12, and when the front mold plate 11 and the rear mold plate 12 are buckled with each other, the front mold cavity and the rear mold cavity 121 are butted to form a mold cavity; a main clamping groove 101 and a slave clamping groove 102 are arranged in the mold core, the main clamping groove 101 is located at the head end of the mold core, and the slave clamping groove 102 is located at the tail end of the mold core. Preferably, the master card slot 101 and the slave card slot 102 are formed by half-slots on the front template 11 and the rear template 12 in an abutting manner.
The demolding mechanism comprises a main lifting rod 21, a secondary lifting rod 22 and two demolding side plates 23, wherein the main lifting rod 21 is clamped in the main clamping groove 101, and a side surface, facing the mold cavity, of the main lifting rod 21 is provided with a central insert inserting groove (not shown in the figure); the slave lifting rod 22 is clamped in the slave clamping groove 102, and an insert inserting groove (not shown) is arranged on the side surface of the slave lifting rod 22 facing the die cavity; two demoulding side plates 23 are attached to two sides of the mould core, the head ends of the demoulding side plates 23 are fixedly connected with the main lifting rod 21, and the tail ends of the demoulding side plates 23 are provided with sliding grooves 231 for inserting the auxiliary lifting rods 22. Preferably, the end of the main lifting rod 21 is provided with a positioning rod 211 inserted to the stripper side plate 23, and the main lifting rod 21 is vertically connected to the stripper side plate 23 by a connecting bolt 212. Like this, in the equipment the utility model discloses during the mould of rubber spare usefulness of moulding plastics, usable locating lever 211 is lifted the pole 21 to the owner and is fixed a position, and convenient equipment utilizes connecting bolt 212 to connect owner and lifts pole 21 and drawing of patterns curb plate 23, connects stably. Preferably, the slide groove 231 includes a smooth groove 2311 and an inclined slide groove 2312 which are communicated, the starting end of the smooth groove 2311 is close to the middle of the stripper side plate 23, and the center line of the smooth groove 2311 is parallel to the top surface of the rear mold plate 12; the end of the inclined slide groove 2312 is close to the rear end of the stripper side plate 23, and the inclined slide groove 2312 is inclined toward the rear mold plate 12. Thus, after the mold is opened, the head end of the demolding side plate 23 is lifted, the main lifting rod 21 moves towards the front template 11 along the vertical direction to be away from the rear template 12, so that the central insert 3 and the rubber part 5 formed by injection molding are inclined, lifted and fall off from the mold cavity, the demolding operation is completed, the operation is simple and convenient, the required power consumption is low, and the production cost of the rubber part 5 is further reduced. Preferably, a connecting plate 24 is provided from the end of the lifting rod 22, the connecting plate 24 is located between the mold core and the mold release side plate 23, a slide rod (not shown) inserted in the slide groove 231 is mounted on the connecting plate 24, and the slide rod is located at the starting end of the smooth groove 2311 when the mold is closed. Therefore, when the demoulding side plate 23 is lifted from the head end of the demoulding side plate 23, the head end of the demoulding side plate 23 moves towards the direction of the front template 11, and the tail end of the demoulding side plate 23 slides under the guide of the slide rod, so that the phenomenon that the demoulding side plate 23 is dislocated in the sliding process to influence demoulding is avoided. Preferably, the webs 24 snap into the connecting slots 103 on the outside walls of the mold core. Like this, can avoid forming the space because of erection joint board 24 between the lateral wall of drawing of patterns curb plate 23 and mold core, and then avoid drawing of patterns curb plate 23 to rock or misplace when sliding, influence is moulded plastics. Preferably, the side mold release plate 23 is mounted with a buffer block 25, and the buffer block 25 is located in the connecting groove 103 and sandwiched between the connecting plate 24 and the mold core when the mold is closed. Therefore, in the mold closing process, the buffer block 25 is used for reducing the sliding speed of the demolding side plate 23, and the phenomenon that the starting end of the smooth groove 2311 impacts the slide rod to damage the slide rod and even influence injection molding can be avoided. Preferably, the rear mold plate 12 is provided with a mold release guide 6, and the mold release guide 6 passes through the main lift rod 21 and the front mold plate 11. Therefore, in the process of opening or closing the mold, the moving direction of the main lifting rod 21 is guided by the demolding guide rod 6, so that the main lifting rod 21 is prevented from being dislocated in the process of opening or closing the mold, the mold opening or closing is prevented from being influenced, and the injection molding efficiency is improved.
The central insert 3 and the outer insert 4 are installed in the die cavity in a butt joint mode, the free end of the central insert 3 is inserted into the central insert insertion groove and connected with the main lifting rod 21, and the free end of the outer insert 4 is inserted into the outer insert insertion groove and connected with the auxiliary lifting rod 22.
In addition, the top of the mold core is provided with a front mold pressing piece 7, and the front mold pressing piece 7 is pressed on the top surface of the front mold plate 11 and is connected with the front mold plate 11 through a connecting bolt; the bottom of the mold core is provided with a rear mold top 8, and the rear mold top 8 is placed on the bottom surface of the rear mold plate 12 and connected to the rear mold plate 12 by connecting bolts. Therefore, when the mold is opened, the front mold pressing piece 7 can be lifted to take the front mold plate 11 away from the rear mold plate 12, the mold opening operation is simple and convenient, the injection molding efficiency can be improved, and the production cost of the rubber piece is further reduced. Preferably, the front and rear die members 7, 8 are formed from a combination of multiple layers of plates. Such front and rear mold members 7 and 8 are simple in structure and convenient to manufacture.
Adopt the utility model discloses when the mould that the rubber spare was moulded plastics and is formed the rubber spare, behind the die sinking, to preceding template direction jack-up drawing of patterns curb plate, make the drawing of patterns curb plate drive the owner and lift the pole and keep away from the back template from lifting the pole and lifting the central mold insert of connection and outer inlay to make the rubber spare that forms and the cover of moulding plastics and put on central mold insert break away from the die cavity, make things convenient for the personnel of moulding plastics to take off the rubber spare that forms of moulding plastics, accomplish the drawing of patterns. Therefore, adopt the utility model discloses the mould that the rubber spare was moulded plastics and is used forms the irregular rubber spare of shape, and drawing of patterns convenient and fast can effectively improve the production efficiency of rubber spare, and then can effectively reduce the manufacturing cost of rubber spare.
Claims (8)
1. The mold for rubber part injection is characterized by comprising a mold core, a demolding mechanism, a central insert and an outer insert, wherein the mold core comprises a front template and a rear template, a front mold cavity is formed in the front template, a rear mold cavity is formed in the rear template, and the front mold cavity and the rear mold cavity are butted to form a mold cavity when the front template and the rear template are buckled with each other; a main clamping groove and a slave clamping groove are formed in the mold core, the main clamping groove is located at the head end of the mold core, and the slave clamping groove is located at the tail end of the mold core;
the demolding mechanism comprises a main lifting rod, a secondary lifting rod and two demolding side plates, wherein the main lifting rod is clamped in the main clamping groove, and a central insert inserting groove is formed in the side surface, facing the mold groove, of the main lifting rod; the auxiliary lifting rod is clamped in the auxiliary clamping groove, and an external insert inserting groove is formed in the side surface, facing the die cavity, of the auxiliary lifting rod; the two demolding side plates are attached to two sides of the mold core, the head ends of the demolding side plates are fixedly connected with the main lifting rod, and the tail ends of the demolding side plates are provided with sliding grooves for inserting the auxiliary lifting rods;
the center insert and the outer insert are installed in the die cavity in a butt joint mode, the free end of the center insert is inserted into the center insert insertion groove and connected with the main lifting rod, and the free end of the outer insert is inserted into the outer insert insertion groove and connected with the auxiliary lifting rod.
2. The mold for injection molding of rubber parts according to claim 1, wherein the slide groove comprises a flat slide groove and an inclined slide groove which are communicated, the starting end of the flat slide groove is close to the middle part of the demolding side plate, and the center line of the flat slide groove is parallel to the top surface of the rear mold plate; and the terminal of the inclined sliding groove is close to the tail end of the demoulding side plate, and the inclined sliding groove inclines towards the rear template.
3. The mold for injection molding of rubber parts according to claim 2, wherein a connecting plate is provided at an end of the lifting rod, the connecting plate being located between the mold core and the side mold release plate, the connecting plate being provided with a slide bar inserted into the slide groove, and the slide bar being located at a starting end of the flat slide groove when the mold is closed.
4. The mold of claim 3, wherein the connecting plate is engaged with the connecting groove on the outer sidewall of the mold core.
5. The mold of claim 4, wherein a buffer block is mounted on the side releasing plate and is located in the connecting groove and sandwiched between the connecting plate and the mold core when the mold is closed.
6. The mold for injection molding of rubber according to any of claims 1-5, wherein a mold release guide is provided on the rear mold plate and passes through the main lift bar and the front mold plate.
7. The mold for injection molding of rubber members as claimed in any one of claims 1 to 5, wherein said main lifting rod has a positioning rod at its end inserted into said stripper side plate and is vertically connected to said stripper side plate by a connecting bolt.
8. The mold for injection molding of rubber members as claimed in any one of claims 1 to 5, wherein a front molding member is provided on a top portion of said mold core, and the front molding member is pressed against said front mold plate and connected to said front mold plate by a connecting bolt; and a rear die ejecting piece is arranged at the bottom of the die core, is arranged on the rear template in an overhead manner and is connected with the rear template through a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285582.3U CN211763104U (en) | 2019-12-18 | 2019-12-18 | Mould for injection molding of rubber part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285582.3U CN211763104U (en) | 2019-12-18 | 2019-12-18 | Mould for injection molding of rubber part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211763104U true CN211763104U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922285582.3U Active CN211763104U (en) | 2019-12-18 | 2019-12-18 | Mould for injection molding of rubber part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211763104U (en) |
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2019
- 2019-12-18 CN CN201922285582.3U patent/CN211763104U/en active Active
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