CN211165132U

CN211165132U - Children toilet injection mold with back-off track core-pulling mechanism

Info

Publication number: CN211165132U
Application number: CN201921676913.XU
Authority: CN
Inventors: 胡海勇; 陈桂芳
Original assignee: Zhejiang Belai Baby Products Co ltd
Current assignee: Zhejiang Belai Baby Products Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-04
Anticipated expiration: 2029-10-09

Abstract

The utility model provides a children's toilet bowl injection mold with mechanism of loosing core of back-off track belongs to the mould and makes technical field. It has solved the problem of the inconvenient drawing of patterns of current children's toilet bowl injection mold. This children's toilet bowl injection mold with mechanism of loosing core of back-off track, including the movable mould and with movable mould matched with cover half, it stretches into the shaping piece in the movable mould to have on the cover half, be formed with the shaping chamber that is used for the product shaping between shaping piece and the movable mould inner chamber, the passageway of moulding plastics of intercommunication shaping chamber and external injection molding machine is seted up to the movable mould upper end, the lateral part of movable mould is equipped with the connecting rod of loosing core that is used for the shaping intracavity product drawing of patterns, the one end of the connecting rod of loosing core stretches into the shaping intracavity, the other end of the connecting rod of loosing core extends outside the movable mould, still be equipped with the driver that is used for the drive to loose core the connecting rod motion on the movable mould. The utility model has the advantages of convenient demoulding and the like.

Description

Children toilet injection mold with back-off track core-pulling mechanism

Technical Field

The utility model belongs to the technical field of the mould is made, a children's toilet bowl injection mold with mechanism of loosing core of back-off track is related to.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.

Child toilet structure is comparatively complicated, and there are recess isotructure in the inside of box, need through the supplementary shaping processing to child toilet groove part of realization of extra loosing core, when injection moulding is accomplished to the product, need break away from the product from the mould and carry out drawing of patterns work, because there is the relation of intercombination between a plurality of loosing cores, has the loaded down with trivial details problem of process in the drawing of patterns, causes the drawing of patterns inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a make things convenient for children's toilet bowl injection mold that has mechanism of loosing core of back-off track of drawing of patterns is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a children's toilet bowl injection mold with mechanism of loosing core of back-off track, includes the movable mould and with movable mould matched with cover half, the cover half on have the shaping piece that stretches into in the movable mould, shaping piece and movable mould inner chamber between be formed with and be used for the fashioned shaping chamber of product, the passageway of moulding plastics of intercommunication shaping chamber and external injection molding machine is seted up to the movable mould upper end, the lateral part of movable mould is equipped with the connecting rod of loosing core that is used for the shaping intracavity product drawing of patterns, the one end of the connecting rod of loosing core stretches into the shaping intracavity, and the other end of the connecting rod of loosing core extends to outside the movable mould, the movable mould on still be equipped with the driver that is used for the drive to loose core the connecting rod motion, driver and loose core be provided with.

In foretell children's toilet bowl injection mold with mechanism of loosing core of back-off track, the movable mould on be provided with switching piece matched with outer connecting block, the whole sliding connection of switching piece is in outer connecting block, and the switching piece towards one side of driver and the output joint of driver, the connecting rod of loosing core connect in the switching piece with the movable mould laminating on one side surface mutually.

In the injection mold for the children toilet bowl with the inverted track core-pulling mechanism, the side surface of the transfer block is provided with the clamping grooves into which the output ends of the drivers are clamped, the clamping grooves are distributed along the vertical direction of the transfer block, and the clamping grooves penetrate through the upper surface and the lower surface of the transfer block.

In the injection mold for the children toilet bowl with the inverted track core pulling mechanism, the bottom end face of the switching block is provided with the connecting rod sliding groove for the core pulling connecting rod to be clamped in and slide, the connecting rod sliding groove is horizontally arranged on the bottom end face of the switching block, and the contact surface formed between the upper end of the connecting rod sliding groove and the switching block is inclined.

In the injection mold for the children toilet bowl with the inverted track core pulling mechanism, the output end of the driver and the mounting end of the core pulling connecting rod clamped with the connecting rod sliding groove are in an I shape.

In the injection mold for the children toilet bowl with the inverted track core pulling mechanism, the upper surface of the transfer block matched with the outer connecting block is also an inclined surface, and the inclined direction of the upper surface is opposite to the inclined direction of the contact surface between the upper end of the connecting rod sliding groove and the transfer block.

In the injection mold for the children toilet bowl with the inverted track core-pulling mechanism, the fixed mold is provided with the assembly groove which is sunken downwards, the forming block is arranged in the assembly groove, and the end angle of the forming block is provided with the locking piece which is used for detachably connecting the forming block and the assembly groove.

In the injection mold for the children pedestal pan with the inverted track core-pulling mechanism, the assembling groove is internally provided with a plurality of cooling inlets and cooling outlets which are matched in a one-to-one correspondence manner, the liquid inlets of the cooling inlets and the liquid outlets of the cooling outlets are arranged on the fixed die, and the forming block is internally provided with cooling channels communicated with the cooling inlets.

In the injection mold for the children toilet bowl with the inverted track core pulling mechanism, the assembling groove is provided with the convex strip protruding upwards, the cooling inlet and the cooling outlet corresponding to the cooling inlet are respectively arranged at two end parts of the convex strip, the position of the forming block corresponding to the convex strip is provided with the inner groove which is inserted by the convex strip and is in sealing connection, and the inner groove and the convex strip are matched with each other to form the cooling flow channel for cooling water to flow.

In the injection mold for the children toilet bowl with the inverted track core-pulling mechanism, the locking piece comprises a locking body and a butting block arranged on the locking body and used for pressing the forming block in the assembling groove, and the locking body is connected to the fixed die.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses the lateral part of movable mould is equipped with the driver of the connecting rod motion of loosing core and drive, is provided with between the driver and the connecting rod of loosing core and converts the horizontal reciprocating motion of driver into the switching piece of the ejecting motion of the connecting rod of loosing core, can change the horizontal translation motion with the driver through the switching piece and change into the ejecting motion with driver direction of motion mutually perpendicular, and the space of having saved the driver occupies, simultaneously, makes things convenient for the drawing of patterns of mould.

2. The utility model discloses a switching piece passes through the outer connecting block setting on the surface of movable mould, and the whole sliding connection of switching piece in the outer connecting block, utilizes the outer connecting block to keep the stability of switching piece connection and motion, and then improves the efficiency of the whole drawing of patterns of mould.

3. The utility model discloses the output of driver and the installation end of the connecting rod of loosing core and connecting rod spout joint all are "worker" style of calligraphy. The clamping block in the shape of an I is clamped in the groove, so that the disassembly, assembly and maintenance are convenient.

4. The utility model discloses the contact surface that forms between connecting rod spout upper end and the switching piece personally submits the slope form, and the contact surface through the slope form can restrict the maximum displacement distance between switching piece and the outer connecting block, guarantees the security of switching piece motion stroke.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is the integral connection structure diagram of the middle fixed die and the forming block of the utility model.

Fig. 4 is the overall structure schematic diagram of the middle fixed die of the present invention.

FIG. 5 is a schematic bottom view of the forming block of the present invention.

Fig. 6 is the connecting structure of the middle core pulling connecting rod and the switching block of the present invention.

Fig. 7 is a schematic structural view of the locking member of the present invention.

In the figure, 1, a moving die; 2. fixing a mold; 3. forming a block; 4. a molding cavity; 5. injection molding a channel; 6. a core-pulling connecting rod; 7. a driver; 8. a transfer block; 9. an outer connecting block; 10. a locking member; 11. a cooling inlet; 12. a cooling outlet; 13. a cooling channel; 14. a convex strip; 15. an inner groove; 16. a cooling flow channel; 17. a lock body; 18. a resisting block; 19. a card slot; 20. a connecting rod chute; 21. and assembling the groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, a children toilet bowl injection mold with back-off track mechanism of loosing core, including movable mould 1 and with movable mould 1 matched with cover half 2, cover half 2 is last to have the shaping piece 3 that stretches into in the movable mould 1, be formed with between shaping piece 3 and the movable mould 1 inner chamber and be used for the fashioned shaping chamber 4 of product, the passageway 5 of moulding plastics of intercommunication shaping chamber 4 and external injection molding machine is seted up to movable mould 1 upper end, the lateral part of movable mould 1 is equipped with the connecting rod 6 of loosing core that is used for the interior product drawing of shaping chamber 4, the one end of the connecting rod 6 of loosing core stretches into in the shaping chamber 4, the other end of the connecting rod 6 of loosing core extends outside movable mould 1, still be equipped with the driver 7 that is used for driving the connecting rod 6 of loosing core motion on the movable mould 1, be provided with between driver 7 and the connecting rod 6 of.

In this embodiment, movable mould 1 can move from top to bottom relative to fixed mould 2, at the in-process that removes, the product can break away from movable mould 1, because be provided with the connecting rod 6 of loosing core that is used for the fashioned in product depressed part on movable mould 1, need loose core the processing of loosing core to connecting rod 6 earlier before the drawing of patterns of movable mould 1, connecting rod 6 of loosing core is connected on switching piece 8, switching piece 8's lateral part is connected on driver 7, driver 7 drives switching piece 8 and carries out horizontal translation motion, switching piece 8 is at the in-process of lateral motion, connecting rod 6 of loosing core carries out reciprocal ejecting motion from switching piece 8 relatively, and then the realization is taken out the connection of loosing core from shaping chamber 4, convert the lateral translation motion of driver 7 into the ejecting motion of connecting rod 6 axial of loosing core, make the stroke of connecting rod 6 of loosing core move shorter, more conveniently realize.

With reference to fig. 1 and fig. 2, in this embodiment, the movable mold 1 is provided with an outer connecting block 9 matched with the adapter block 8, the inner portion of the outer connecting block 9 is provided with a groove for the adapter block 8 to slide, the adapter block 8 is integrally connected in the outer connecting block 9 in a sliding manner, and the adapter block 8 is clamped with the output end of the driver 7 towards one side of the driver 7, the core-pulling connecting rod 6 is connected on one side surface of the adapter block 8 and the movable mold 1, a clamping groove 19 for clamping the output end of the driver 7 is formed in the side surface of the adapter block 8, the clamping groove 19 is distributed along the vertical direction of the adapter block 8, and the clamping groove 19 penetrates through the upper surface and the lower surface of the adapter.

Preferably, a connecting rod sliding groove 20 is formed in the bottom end face of the adapter block 8, the core pulling connecting rod 6 is clamped in and can slide, the connecting rod sliding groove 20 is horizontally formed in the bottom end face of the adapter block 8, a contact surface formed between the upper end of the connecting rod sliding groove 20 and the adapter block 8 is inclined, the contact surface is inclined upwards from one side of the driver 7 towards one side far away from the driver 7, and when the driver 7 drives the adapter block 8 to move towards one side of the driver 7, the contact surface is inclined upwards gradually, and the core pulling connecting rod 6 can also move upwards gradually to cause the lower end portion of the core pulling connecting rod 6 to be pulled out of the forming cavity 4.

As shown in the combined drawings 1 and 2, the output end of the driver 7 and the mounting end of the core-pulling connecting rod 6 clamped with the connecting rod sliding groove 20 are in an I shape, and clamping blocks are clamped in the grooves through the I shape, so that the later-stage dismounting and maintenance are facilitated.

Preferably, the upper surface of the transfer block 8, which is engaged with the outer connecting block 9, is also an inclined surface, and the inclined direction of the upper surface is opposite to the inclined direction of the contact surface between the upper end of the link chute 20 and the transfer block 8.

The upper surface of the matched with of the outer connecting block 9 of the transfer block 8 is designed into an inclined plane, so that the transfer block 8 is integrally prismatic, the end with the larger sectional area faces the driver 7, the driver 7 drives the transfer block 8 to move towards the end far away from the driver 7, the cavity matched with of the transfer block 8 in the outer connecting block 9 is smaller and smaller, when the two are completely matched, the transfer block 8 moves to the limit position, the maximum displacement of the transfer block 8 is limited through a simple structure, the structure is simpler for other limit structures, and the stability is realized.

As shown in a combined figure 3, the fixed die 2 is provided with an assembly groove 21 which is sunken downwards, the molding block 3 is arranged in the assembly groove 21, the end corner of the molding block 3 is provided with a locking piece 10 which is used for detachably connecting the molding block 3 with the assembly groove 21, the molding block 3 and the fixed die 2 are designed in a split mode, and the molding block 3 is convenient to detach and install during later maintenance.

Combine fig. 4, fig. 5 shows, put it more in detail, be provided with a plurality of one-to-one complex cooling inlet 11 and cooling outlet 12 in the assembly tank 21, the inlet of cooling inlet 11 and the liquid outlet of cooling outlet 12 are all seted up on cover half 2, be provided with the cooling channel 13 that is linked together with cooling inlet 11 in the shaping piece 3, pour into the cover half 2 inside with the coolant liquid through the inlet, then flow into the inside of shaping piece 3 from cooling inlet 11, the coolant liquid that the inside exchange of shaping piece 3 comes out passes through cooling outlet 12 and discharges, discharge from the liquid outlet, improve the cooling cycle ability between cover half 2 inside and the shaping piece 3, help accelerates the shaping efficiency of product.

Preferably, the assembling groove 21 is provided with a convex strip 14 protruding upwards, the cooling inlet 11 and the cooling outlet 12 corresponding to the convex strip are respectively arranged at two ends of the convex strip 14, the forming block 3 is provided with an inner groove 15 at the position corresponding to the convex strip 14, the inner groove 15 is inserted and connected with the convex strip 14 in a sealing manner, and the inner groove 15 and the convex strip 14 are matched with each other to form a cooling flow channel 16 for flowing cooling water. When the forming block 3 is installed and assembled with the assembling groove 21, the convex strip 14 and the inner groove 15 play a role in guiding, when the assembly is completed, a cooling flow channel 16 for cooling liquid to flow is formed between the convex strip 14 and the inner groove 15, a complete circulating cooling system can be formed through the cooling flow channel 16, the cooling liquid entering from the cooling inlet 11 passes through the cooling flow channel 16 to the cooling channel 13 of the forming block 3, the cooling liquid in the cooling channel 13 flows back to the cooling flow channel 16 after cold exchange, and is discharged from the cooling outlet 12 at the other end of the cooling flow channel 16.

Referring to fig. 3 and 7, in the present embodiment, the locking member 10 includes a locking body 17 and a holding block 18 provided on the locking body 17 for pressing the molding block 3 into the fitting groove 21, and the locking body 17 is attached to the stationary mold 2. Support and to extrude the shaping piece 3 in the assembly groove 21 through the extruded mode between the piece 18, then fix on the cover half 2 through locking body 17, realize the fixed of shaping piece 3 and cover half 2 promptly, realize the locking of shaping piece 3 and cover half 2 through the one-way fixed connection of locking piece 10, the dismantlement when making things convenient for the later maintenance.

The utility model discloses a theory of operation does: the movable die 1 can move up and down relative to the fixed die 2, a product can be separated from the movable die 1 in the moving process, as the movable die 1 is provided with the core-pulling connecting rod 6 for forming a concave part of the product, the core-pulling connecting rod 6 needs to be subjected to core-pulling treatment before the movable die 1 is demolded, the core-pulling connecting rod 6 is connected to the switching block 8, the side part of the switching block 8 is connected to the driver 7, when the driver 7 drives the switching block 8 to move towards one side of the driver 7, as the contact surface in the switching block 8 gradually inclines upwards, the core-pulling connecting rod 6 also gradually moves upwards to cause the lower end part of the core-pulling connecting rod 6 to be pulled out from the forming cavity 4, the core-pulling connecting rod 6 relatively moves outwards relative to the switching block 8, the core-pulling connection is pulled out from the forming cavity 4, when the switching block 8 is pushed away by the driver 7, the cavity matched with the switching block 8 in, when the two are completely matched, the transfer block 8 moves to the limit position and stops, and the core-pulling connecting rod 6 at the moment can downwards enter the forming cavity 4 for forming the concave part of the product.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms moving die 1, stationary die 2, forming block 3, forming cavity 4, injection channel 5, core-pulling connecting rod 6, driver 7, transfer block 8, outer connecting block 9, locking piece 10, cooling inlet 11, cooling outlet 12, cooling channel 13, protruding strip 14, inner groove 15, cooling channel 16, locking body 17, abutting block 18, clamping groove 19, connecting rod sliding groove 20, assembling groove 21, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a children's toilet bowl injection mold with mechanism of loosing core of back-off track, includes movable mould (1) and with movable mould (1) matched with cover half (2), cover half (2) on have and stretch into shaping piece (3) in movable mould (1), shaping piece (3) and movable mould (1) inner chamber between be formed with and be used for the fashioned shaping chamber of product (4), the injection moulding passageway (5) of intercommunication shaping chamber (4) and external injection molding machine are seted up to movable mould (1) upper end, its characterized in that, the lateral part of movable mould (1) is equipped with the connecting rod of loosing core (6) that are used for the interior product drawing of patterns of shaping chamber (4), the one end of connecting rod of loosing core (6) stretches into in shaping chamber (4), the other end of connecting rod of loosing core (6) extends to outside movable mould (1), movable mould (1) on still be equipped with driver (7) that are used for the drive connecting rod of loosing core (, and a transfer block (8) for converting the horizontal reciprocating motion of the driver (7) into the ejection motion of the core-pulling connecting rod (6) is arranged between the driver (7) and the core-pulling connecting rod (6).

2. The injection mold for the children's pedestal pan with the inverted track core-pulling mechanism according to claim 1, wherein the movable mold (1) is provided with an outer connecting block (9) matched with the transfer block (8), the transfer block (8) is integrally connected in the outer connecting block (9) in a sliding manner, one side of the transfer block (8) facing the driver (7) is clamped with the output end of the driver (7), and the core-pulling connecting rod (6) is connected to the surface of one side of the transfer block (8) jointed with the movable mold (1).

3. The injection mold for the children's toilet bowl with the inverted track core-pulling mechanism according to claim 2, wherein the side surface of the adapting block (8) is provided with a clamping groove (19) into which the output end of the driver (7) is clamped, the clamping grooves (19) are distributed along the vertical direction of the adapting block (8), and the clamping grooves (19) penetrate through the upper surface and the lower surface of the adapting block (8).

4. The injection mold for the children toilet bowl with the inverted track core pulling mechanism according to claim 2, wherein a connecting rod sliding groove (20) for the core pulling connecting rod (6) to be clamped and to slide is formed in the bottom end surface of the transfer block (8), the connecting rod sliding groove (20) is horizontally formed in the bottom end surface of the transfer block (8), and a contact surface formed between the upper end of the connecting rod sliding groove (20) and the transfer block (8) is inclined.

5. The injection mold of a children toilet bowl with an inverted track core-pulling mechanism according to claim 4, wherein the output end of the driver (7) and the installation end of the core-pulling connecting rod (6) clamped with the connecting rod sliding groove (20) are in an I shape.

6. The injection mold for a children's toilet stool having an inverted rail core-pulling mechanism according to claim 2, wherein the upper surface of the transfer block (8) engaged with the outer connecting block (9) is also an inclined surface having an inclination direction opposite to that of the contact surface between the upper end of the link chute (20) and the transfer block (8).

7. The injection mold of a children's toilet bowl with an inverted track core-pulling mechanism according to claim 1, wherein the fixed mold (2) is provided with a downward-concave assembling groove (21), the molding block (3) is arranged in the assembling groove (21), and a locking piece (10) for detachably connecting the molding block (3) with the assembling groove (21) is arranged at an end corner of the molding block (3).

8. The injection mold of a children's toilet bowl with an inverted track core pulling mechanism according to claim 7, wherein a plurality of cooling inlets (11) and cooling outlets (12) which are matched in a one-to-one correspondence manner are arranged in the assembling groove (21), a liquid inlet of the cooling inlet (11) and a liquid outlet of the cooling outlet (12) are both arranged on the fixed mold (2), and a cooling channel (13) communicated with the cooling inlet (11) is arranged in the forming block (3).

9. The injection mold of a children's toilet bowl with an inverted track core pulling mechanism according to claim 8, wherein the assembling groove (21) is provided with a convex strip (14) protruding upwards, the cooling inlet (11) and the corresponding cooling outlet (12) are respectively arranged at two ends of the convex strip (14), an inner groove (15) inserted and hermetically connected by the convex strip (14) is formed at the position of the forming block (3) corresponding to the convex strip (14), and the inner groove (15) and the convex strip (14) are matched with each other to form a cooling flow channel (16) for cooling water to flow.

10. The injection mold for a children's toilet stool with an inverted rail core-pulling mechanism according to claim 7, wherein the locking member (10) comprises a locking body (17) and a butting block (18) provided on the locking body (17) for pressing the molding block (3) in the assembling groove (21), and the locking body (17) is connected to the fixed mold (2).