CN219883162U - Secondary release mechanism of injection mold for plastic air outlet of notebook computer - Google Patents

Abstract

The utility model relates to a secondary release mechanism of an injection mold of a plastic air outlet of a notebook computer, which comprises a slide block mechanism in sliding fit with a male mold plate and a male mold core on the male mold plate, wherein the slide block mechanism comprises a slide block, the front surface of the slide block is provided with a mold separating insert, and the top of the slide block is provided with a pin hole which is communicated up and down; the bottom of the pin hole is inclined to the outer side of the bottom of the sliding block to form an inclined hole; the back of the sliding block is provided with a limit driving block which can be embedded and matched with the sliding block up and down, and the limit driving block can be fixedly arranged on the bottom surface of the mother template through bolts; the front part of the sliding block, which is positioned below the parting mold insert, is provided with a parting spring, and the outer end of the parting spring is abutted against the side surface of the male mold core. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer can reduce poor drawing mold and deformation rate of the plastic air outlet of the notebook computer, saves production cost, improves processing efficiency, and ensures demolding effect and quality of injection products.

Description

Secondary release mechanism of injection mold for plastic air outlet of notebook computer

Technical Field

The utility model relates to the field of injection molding of a plastic air outlet of a notebook computer, in particular to a secondary release mechanism of an injection mold of the plastic air outlet of the notebook computer.

Background

The plastic air outlet part structure of the notebook computer is usually formed by matching a sliding block structure with a male template and a male die core in a fixed die. In the practical application process, the phenomenon of poor drawing die can often appear in the air outlet area due to the reason of the drawing die angle of the air outlet and the reason of overlarge adhesive force after injection molding caused by the depth of the surface pattern and the mesh structure, and the situation that the product is deformed can also happen when serious, so that the injection molding die cannot be normally produced, and the processing efficiency and the processing quality of the product are affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a secondary release mechanism of a plastic air outlet injection mold of a notebook computer, which can realize the split release of the plastic air outlet of the notebook computer and ensure the release effect and quality of injection products.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the secondary release mechanism of the injection mold of the plastic air outlet of the notebook computer comprises a slide block mechanism which is in sliding fit with a male mold plate and a male mold core on the male mold plate, wherein an assembly cavity for horizontally sliding fit of the slide block mechanism is arranged at a position corresponding to the long side of the male mold core on the male mold plate, the slide block mechanism comprises a slide block which can be in sliding fit in the assembly cavity, and the slide block can horizontally move back and forth relative to the male mold core; the front surface of the sliding block is provided with a mold parting insert, the top of the sliding block is provided with a pin hole which is communicated up and down, and the pin hole can be in plug-in fit with a positioning pin arranged on the female mold plate; the bottom of the pin hole is inclined to the outer side of the bottom of the sliding block to form an inclined hole, when the locating pin is inserted into the corresponding pin hole, the locating pin can drive the sliding block to horizontally move towards the direction of the male die core, and when the locating pin is upwards separated from the pin hole, the locating pin can drive the sliding block to horizontally move reversely away from the direction of the male die core; the back of the sliding block is provided with a limit driving block which can be embedded and matched with the sliding block up and down, and the limit driving block can be fixedly arranged on the bottom surface of the mother template through bolts; the front part of the sliding block, which is positioned below the parting mold insert, is provided with a parting spring, and the outer end of the parting spring is abutted against the side surface of the male mold core.

Preferably, the back surface of the slider is an outward inclined surface inclined to the outside of the bottom, the outward inclined surface forms a driving part, and an inward inclined surface capable of being matched with the driving part is arranged at a position corresponding to the driving part on the limit driving block.

Preferably, the section of the driving part is of an L-shaped structure, a cushion block is fixedly arranged on the outer side of the driving part, and the inner inclined surface of the limiting driving block can be in up-down embedding fit with the cushion block.

Preferably, the front surface of the sliding block is provided with an inward concave embedding port, the mold splitting insert is embedded in the embedding port, the front surface of the mold splitting insert corresponds to the male mold core, and the rear end of the mold splitting insert is fixedly connected to the sliding block through a bolt.

Preferably, the pin holes are arranged in two groups and symmetrically arranged on the sliding block at the positions close to the left end and the right end.

Preferably, the plurality of distributing springs are arranged at equal intervals along the length direction of the sliding block, the sliding block is provided with spring holes which are convenient for embedding the distributing springs, and the outer ends of the distributing springs embedded in the spring holes extend outwards at the outer sides of the spring holes.

Preferably, the bottom of the sliding block is provided with a heightening block, the heightening block is fixedly arranged in an assembly cavity of the male template through a bolt, the top surface of the heightening block is provided with a counter bore which can vertically correspond to the bottom of the pin hole, and the tail end of the positioning pin can be inserted into the counter bore; the utility model discloses a pair of high-speed rail, including the male template, the backing block has two, and the symmetry sets up the position that is close to left and right ends in the male template bottom surface, the position between the two backing blocks is vertically provided with the guide block about the slider bottom Fang Jieyu, the guide block passes through bolt fixed mounting in the assembly die cavity of male template, the height of guide block is higher than the height of two backing blocks about, the slider bottom surface be provided with sliding fit's guide chute around the guide block top.

Preferably, the left end and the right end of the sliding block are symmetrically provided with flanging bulges protruding outwards, the top surface of the flanging bulges is provided with a limiting block in sliding fit with the flanging bulges, and the limiting block is fixedly connected to the male die plate through a bolt.

Compared with the prior art, the utility model has the following advantages: the secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer can realize the repeated demolding of the plastic air outlet area of the notebook computer in the injection mold, decompose the adhesive force of a plastic product on the sliding block, reduce the poor drawing mold and the deformation rate of the plastic air outlet position of the notebook computer in the injection molding production from 50-60% to below 2%, greatly reduce the waste of defective products of the injection molding product, save the production cost, improve the processing efficiency, realize the repeated demolding of the plastic air outlet of the notebook computer, and ensure the demolding effect and quality of the injection molding product.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a secondary release mechanism of an injection mold for a plastic air outlet of a notebook computer, and an assembly structure of a male mold insert and a top mold plate;

FIG. 2 is a cross-sectional view of the structure of A-A in FIG. 1;

FIG. 3 is a cross-sectional view of the structure B-B of FIG. 1;

FIG. 4 is a schematic diagram of the front structure of a secondary release mechanism of a plastic air outlet injection mold for a notebook computer;

FIG. 5 is a schematic view of the back structure of a secondary release mechanism of a plastic air outlet injection mold for a notebook computer;

FIG. 6 is a schematic diagram of the top structure of a secondary release mechanism of a plastic air outlet injection mold for a notebook computer according to the present utility model;

FIG. 7 is a cross-sectional view of the structure of C-C in FIG. 6;

fig. 8 is a structural cross-sectional view of D-D in fig. 6.

In the figure: 1. a male template; 2. a male mold core; 3. a slider mechanism; 31. a slide block; 311. a pin hole; 312. an embedding port; 313. a driving section; 314. flanging and protruding; 315. a guide groove; 316. a spring hole; 32. parting mold inserts; 33. a cushion block; 34. a guide block; 4. a limit driving block; 5. a positioning pin; 6. a limiting block; 7. a lifting block; 8. and a material distributing spring.

Description of the embodiments

The utility model is described in detail below with reference to the attached drawings and detailed description:

the secondary release mechanism of the injection mold of the plastic air outlet of the notebook computer comprises a sliding block mechanism 3 which is in sliding fit with a male template 1 and a male core 2 on the male template 1, wherein an assembly cavity for horizontally sliding fit of the sliding block mechanism 3 is arranged at a position corresponding to the long side of the male core 2 on the male template 1, a concave fixing groove is formed in the bottom of the assembly cavity, a heightening block 7 which is in embedded fit with the assembly cavity is arranged in the fixing groove, the heightening block 7 is fixedly connected in the fixing groove through bolts, a counter bore is formed in the top of the heightening block 7, and the counter bore can be in plug fit with a positioning pin 5 arranged on a female template; as shown in fig. 4 and 6, the slide mechanism 3 includes a slide block 31 slidably fitted in the assembly cavity, and the slide block 31 is horizontally movable back and forth relative to the male die core 2; the front surface of the sliding block 31 is provided with a die parting insert 32, in order to facilitate the disassembly and assembly of the die parting insert 32, the front surface of the sliding block 31 is provided with an inward concave embedded opening 312, the die parting insert 32 is embedded in the embedded opening 312, the front surface of the die parting insert is corresponding to the male die insert 2, the rear end of the die parting insert is fixedly connected to the sliding block 31 through bolts, the back surface of the sliding block 31 is provided with a countersunk connecting hole communicated with the embedded opening 312 in the front-back direction, the back surface of the die parting insert 32 is provided with a threaded hole, the threaded hole corresponds to the countersunk connecting hole in the front-back direction, and after the die parting insert 32 is embedded in the embedded opening 312, the die parting insert 32 is connected with the corresponding threaded hole through bolts and used for fixing the die parting insert 32 and the sliding block 31; the top of the sliding block 31 is provided with two groups of pin holes 311 which are communicated up and down, the pin holes 311 are symmetrically arranged at the positions, close to the left end and the right end, of the sliding block 31, the positions correspond to the number and the positions of the positioning pins 5 arranged on the female template up and down, and the pin holes 311 can be in plug-in fit with the positioning pins 5 arranged on the female template; in order to drive the sliding block mechanism 3 to move on the male die plate 1 through the cooperation of the positioning pin 5 and the pin hole 311, the bottom of the pin hole 311 is inclined to the outer side of the bottom of the sliding block 31 to form an inclined hole, when the positioning pin 5 is inserted into the corresponding pin hole 311, the positioning pin can drive the sliding block 31 to horizontally move towards the direction of the male die core 2, and when the positioning pin 5 is upwards separated from the pin hole 311, the positioning pin can drive the sliding block 31 to horizontally move reversely away from the direction of the male die core 2; in order to match the locating pin 5 to drive and limit the sliding block 31, the back of the sliding block 31 is provided with a limit driving block 4 which can be matched with the locating pin in an up-down embedding way, the limit driving block 4 is fixedly arranged on the bottom surface of the mother template through a bolt, and can synchronously move up and down along with the locating pin 5 along with the mother template, as shown in figures 2-3 and 7-8, one surface of the limit driving block 4 corresponding to the sliding block 31 is an inward inclined surface which is inclined inwards towards the bottom downwards, the back of the sliding block 31 is an outward inclined surface which is inclined towards the bottom outwards, the outward inclined surface forms a driving part 313, the inward inclined surface on the limit driving block 4 is mutually corresponding to the driving part 313 and is matched with the inclined surface, in order to ensure that the limit driving block 4 can effectively drive and limit the sliding block 31, and the inner inclined surface on the limit driving block 4 has an effect of gradually entering or gradually exiting relative to the sliding block 31, a cushion block 33 is fixedly arranged at the outer side of the driving part 313, the cushion block 33 inclines in the same direction along the inclined surface direction of the driving part 313, the outer side of the cushion block 33 can be in embedded fit with the inner inclined surface of the limit driving block 4 up and down, and in order to ensure the stability of the installation position of the cushion block 33 on the sliding block 31, the position deviation is avoided due to external force, the cross section of the driving part 313 is of an L-shaped structure, and a groove for supporting the cushion block 33 is formed at the lower part; in order to realize the split demolding of the split mold insert 32, as shown in fig. 3, fig. 4 and fig. 8, the front part of the slide block 31, which is positioned below the split mold insert 32, is provided with a split spring 8, the outer end of the split spring 8 is in contact with the side surface of the male mold insert 2, in order to ensure the split effect, the split spring 8 is provided with a plurality of split springs which are arranged at equal intervals along the length direction of the slide block 31, the slide block 31 is provided with spring holes 316 which are convenient for the split spring 8 to be embedded, and the outer end of the split spring 8 embedded in the spring holes 316 extends outwards at the outer side of the spring holes 316, so as to be in contact with the side surface of the male mold insert 2. In order to enable the sliding effect of the sliding block mechanism 3 in the assembly cavity, the heightening block 7 is positioned below the sliding block 31, the top surface of the heightening block is in sliding fit with the top surface of the sliding block 31, a counter bore on the sliding block 31 can vertically correspond to the bottom of the pin hole 311, and the positioning pin 5 passes through the pin hole 311 and the tail end of the positioning pin can be inserted into the counter bore; in order to ensure the sliding balance of the sliding block 31, the two lifting blocks 7 are symmetrically arranged at the positions, close to the left end and the right end, of the bottom surface of the male die plate 1, and in order to ensure the sliding stability of the sliding block 31, no position deviation occurs, so as to ensure the connection effect between the die parting insert 32 and the male die core 2, a guide block 34 is longitudinally arranged at the position, between the left and the right lifting blocks 7, of the lower part Fang Jieyu of the bottom of the sliding block 31, the guide block 34 is fixedly arranged in an assembly cavity of the male die plate 1 through bolts, the installation and the disassembly are convenient, the height of the guide block 34 is higher than that of the left and the right lifting blocks 7, a guide chute 315 which is in front-back sliding fit with the top of the guide block 34 is arranged at the bottom surface of the sliding block 31, and the sliding track of the sliding block 31 can be effectively ensured through the cooperation of the guide chute 315 and the guide block 34; as shown in fig. 4 to fig. 6, in order to prevent the sliding block 31 from slipping out of the assembly cavity, the left and right ends of the sliding block 31 are symmetrically provided with flanging protrusions 314 protruding outwards, the top surface of the flanging protrusions 314 is provided with a limiting block 6 in sliding fit with the flanging protrusions, as shown in fig. 1 to fig. 3, the limiting block 6 is fixedly connected to the male mold plate 1 through bolts, and the limiting block can limit the sliding block 31 in the height direction.

The specific working principle is as follows: the female die plate drives the limit driving block 4 and the locating pin 5 to move downwards, the driving block 4 is inserted into the back surface of the sliding block 31, the locating pin is inserted into a corresponding pin hole 311 on the sliding block 31, under the downward driving of the limit driving block 4 and the locating pin 5, the sliding block 31 drives the split die insert 32 to slide towards the direction of the male die core 2 on the male die plate 1, so that the split die insert 32 is connected with the male die core 2, meanwhile, the split springs 8 below the split die insert 32 are extruded and retracted into corresponding spring holes 316, the injection molding processing is facilitated, after the injection molding processing of a product is completed, the female die plate drives the limit driving block 4 and the locating pin 5 to be separated from the male die plate 1 and the sliding block mechanism 3 upwards, the sliding block mechanism 3 is driven to move back to the direction of the male die core 2 when the locating pin 5 is upwards, meanwhile, the tension of the split die insert 32 is received back to the direction of the male die core 2, the sliding mechanism 3 drives the split die insert 32 to move away from the male die core 2, the split die insert 32 to separate from the air outlet area of the notebook computer, the split die plastic is separated from the split die cavity in multiple times, and the plastic injection molding of the plastic on the sliding mechanism is decomposed, and the poor die outlet position of the notebook computer is reduced.

The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer can realize the repeated demolding of the plastic air outlet area of the notebook computer in the injection mold, decompose the adhesive force of a plastic product on the sliding block, reduce the poor drawing mold and the deformation rate of the plastic air outlet position of the notebook computer in the injection molding production from 50-60% to below 2%, greatly reduce the waste of defective products of the injection molding product, save the production cost, improve the processing efficiency, realize the repeated demolding of the plastic air outlet of the notebook computer, and ensure the demolding effect and quality of the injection molding product.

It is emphasized that: the above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (8)

1. The utility model provides a notebook computer plastic air outlet injection mold secondary is from type mechanism, includes and goes up public mould benevolence (2) sliding fit's slider mechanism (3) with public template (1) and public template, the position that corresponds public mould benevolence (2) long limit on public template (1) is provided with and is used for slider mechanism (3) horizontal sliding fit's assembly die cavity, its characterized in that: the sliding block mechanism (3) comprises a sliding block (31) which can be in sliding fit in the assembling cavity, and the sliding block (31) can horizontally move back and forth relative to the male die core (2); the front surface of the sliding block (31) is provided with a parting mold insert (32), the top of the sliding block is provided with a pin hole (311) which is communicated up and down, and the pin hole (311) can be in plug-in fit with a positioning pin (5) arranged on the female template; the bottom of the pin hole (311) is inclined to the outer side of the bottom of the sliding block (31) to form an inclined hole, when the locating pin (5) is inserted into the corresponding pin hole (311), the locating pin can drive the sliding block (31) to horizontally move towards the direction of the male die core (2), and when the locating pin (5) is separated from the pin hole (311) upwards, the locating pin can drive the sliding block (31) to horizontally move reversely away from the direction of the male die core (2); the back of the sliding block (31) is provided with a limit driving block (4) which can be embedded and matched with the sliding block in an up-down inserting way, and the limit driving block (4) can be fixedly arranged on the bottom surface of the female template through bolts; the front of the sliding block (31) is provided with a distributing spring (8) at the position below the die parting insert (32), and the outer end of the distributing spring (8) is abutted to the side face of the male die core (2).

2. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the back surface of the sliding block (31) presents an external inclined surface inclined to the outer side of the bottom, the external inclined surface forms a driving part (313), and an internal inclined surface which can be matched with the driving part (313) is arranged at a position corresponding to the driving part (313) on the limiting driving block (4).

3. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 2, wherein the secondary release mechanism is characterized in that: the section of the driving part (313) is of an L-shaped structure, a cushion block (33) is fixedly arranged on the outer side of the driving part, and an inner inclined surface of the limiting driving block (4) can be in up-down embedding fit with the cushion block (33).

4. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the front of the sliding block (31) is provided with an inward concave embedding opening (312), the mold parting insert (32) is embedded in the embedding opening (312), the front of the mold parting insert and the male mold core (2) correspond to each other, and the rear end of the mold parting insert is fixedly connected to the sliding block (31) through bolts.

5. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the pin holes (311) are provided with two groups and are symmetrically arranged at the positions, close to the left end and the right end, of the sliding block (31).

6. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the distributing springs (8) are arranged at equal intervals along the length direction of the sliding block (31), spring holes (316) which are convenient for the embedding of the distributing springs (8) are formed in the sliding block (31), and the outer ends of the distributing springs (8) embedded in the spring holes (316) extend outwards at the outer sides of the spring holes (316).

7. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the bottom of the sliding block (31) is provided with a heightening block (7), the heightening block (7) is fixedly arranged in an assembly cavity of the male template (1) through a bolt, the top surface of the heightening block is provided with a counter bore which can vertically correspond to the bottom of the pin hole (311), and the tail end of the positioning pin (5) can be inserted into the counter bore; the utility model discloses a pair of high block (7) is provided with two, and the symmetry sets up the position that is close to left and right sides in public template (1) bottom surface, fang Jieyu is provided with guide block (34) vertically in the position between two high block (7) about slider (31) bottom down, guide block (34) pass through bolt fixed mounting in the assembly die cavity of public template (1), the height of guide block (34) is higher than the height of two high block (7) about, slider (31) bottom surface be provided with sliding fit's guide chute (315) around guide block (34) top.

8. The secondary release mechanism of the injection mold for the plastic air outlet of the notebook computer according to claim 1, wherein the secondary release mechanism is characterized in that: the flange is characterized in that flange bulges (314) protruding outwards are symmetrically arranged at the left end and the right end of the sliding block (31), limiting blocks (6) which are in sliding fit with the flange bulges (314) are arranged on the top surfaces of the flange bulges (314), and the limiting blocks (6) are fixedly connected to the male die plate (1) through bolts.