CN113715271A - Injection molding equipment of battery cover - Google Patents
Injection molding equipment of battery cover Download PDFInfo
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- CN113715271A CN113715271A CN202110903832.4A CN202110903832A CN113715271A CN 113715271 A CN113715271 A CN 113715271A CN 202110903832 A CN202110903832 A CN 202110903832A CN 113715271 A CN113715271 A CN 113715271A
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- fixing plate
- movable mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding device of a battery cover, which comprises a base plate, a movable mold part arranged on the base plate, and a fixed die part arranged on the upper part of the movable die part, wherein the upper part of the fixed die part is provided with a stripper plate, the upper part of the stripper plate is provided with a cavity fixing plate, the movable die part comprises a movable die fixing plate, the middle part of the movable mould fixing plate is provided with a movable mould cavity, the temperature of the invention is kept between 200 ℃ and 280 ℃ after the injection molding is finished, the movable die fixing plate moves backwards along with the base plate under the action of the first external hydraulic oil cylinder, the taper pin moves under the action of the discharging plate, the slide block moves to enable the inclined plate to move upwards for a set first distance, the inclined plate moves upwards to drive the outer ejector block to move upwards, and the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer ejector block moves upwards, so that the purpose of adjusting the thickness of at least one side face of the battery cover is achieved.
Description
Technical Field
The invention relates to the technical field of battery cover preparation, in particular to an injection molding device of a battery cover.
Background
The battery cover is generally manufactured by an injection molding machine, but with the diversification of the design of electronic products, the requirements on the battery cover are different, most of the current battery cover designs still follow the standard design, but in some products, the thickness of the side edge of the battery cover is required to be different, so that the thickness of the battery cover during injection molding needs to be adjusted by a mold.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide an injection molding apparatus for a battery cover.
The technical scheme adopted by the invention is as follows:
an injection molding device of a battery cover comprises a base plate, a movable mold part arranged on the base plate, and a fixed mold part arranged on the upper part of the movable mold part, wherein the upper part of the fixed mold part is provided with a stripper plate, the upper part of the stripper plate is provided with a cavity fixing plate, the movable mold part comprises a movable mold fixing plate, the middle part of the movable mold fixing plate is provided with a movable mold cavity,
a material opening plate is arranged at the lower part of the movable mould fixing plate, a movable mould rear plate is arranged at the lower part of the material opening plate,
the middle part of the fixed die fixing plate is provided with a fixed die cavity corresponding to the movable die cavity,
the die comprises a die core, an extrusion plate is arranged on the outer side of the die core, an outer ejector block is arranged on the lower portion of the extrusion plate, a convex inclined surface is arranged on one side, facing the extrusion plate, of the outer ejector block, the convex inclined surface is attached to the extrusion plate, and a gap between the die core and the extrusion plate forms a die channel;
the lower part of the outer ejector block is fixed on the upper part of the inclined plate, the lower part of the inclined plate is adjacent to the slide rail, the slide rail is provided with a slide block, the slide block is fixed on the front part of the inclined plate, the slide block is positioned on the lower part of the inclined plate and is jointed with the inclined plate, the lower part of the slide block is fixed on the slide rail through a limit screw, the upper part of the slide block is fixed on the fixed die fixing plate,
after the injection molding is finished, the temperature is kept between 200 ℃ and 280 ℃, the movable mold fixing plate moves backwards along with the base plate under the action of an external first hydraulic oil cylinder, the cavity fixing plate and the discharge plate are separated and separated, meanwhile, the sliding block moves for the same distance relative to the taper pin, the sliding block moves to enable the inclined plate to move upwards for a set first distance, the inclined plate moves upwards to drive the outer top block to move upwards, and the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer top block moves upwards to adjust the thickness of at least one side face of the battery cover.
Furthermore, the movable mold fixing plate and the fixed mold fixing plate are connected through a plurality of first rubber plug rods, a lower rubber plug and an upper rubber plug are arranged on each first rubber plug rod, the bottom of the lower rubber plug is positioned at the upper part of the movable mold fixing plate, the top of the lower rubber plug is positioned at the lower part of the movable mold fixing plate and is used for propping against the fixed mold fixing plate, a second rubber plug rod is arranged at each first rubber plug rod, a second rubber plug is arranged on each second rubber plug rod, the bottom of the second rubber plug is positioned at the upper part of the movable mold fixing plate, the top of the second rubber plug is positioned at the lower part of the movable mold fixing plate and is used for propping against the fixed mold fixing plate, the movable mold fixing plate moves backwards along with the base plate under the action of an external first hydraulic cylinder, the sliding block moves for the same distance relative to the inclined pin while the cavity fixing plate and the discharging plate are separated, at the moment, the cavity fixing plate and the discharging plate are driven by the first rubber plug rods, the sliding block moves to enable the inclined plate to move upwards for a set first distance, the first distance is determined by the displacement of the upper rubber plug screwed out from the through hole of the fixed die, the inclined plate moves upwards to drive the outer ejector block to move upwards, the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer ejector block moves upwards to adjust the thickness of at least one side surface of the battery cover, the cooling mechanism embedded in the extrusion plate starts to cool after keeping the temperature between 150 ℃ and 200 ℃ and lasting for 5-10min, the movable die fixing plate moves backwards along with the base plate under the action of an external first hydraulic oil cylinder, the die cavity fixing plate and the discharge plate move to a set third distance under the action of a first rubber plug rod and a second rubber plug rod, the length of the third distance is the same as the integral length of the sub-runner, and as the sliding block is fixed on the fixed die fixing plate, the inclined pin is fixed on the material opening plate, the sliding block moves simultaneously relative to the inclined pin at the moment, and lateral core pulling motion can be generated under the action of the inclined pin, the distance of the lateral loose core which is pulled open is limited by a limiting screw.
Furthermore, a group of movable chutes and a group of fixed chutes are arranged on the outer edge of the movable mold cavity, the movable chutes are arranged along the outer edge of the movable mold cavity to the outer edge of the movable mold fixing plate, the fixed chutes are arranged along the outer edge of the movable mold cavity to the middle position of the movable mold fixing plate,
the slide rail sets up by two sets, and one of them group slide rail is fixed in moving the spout, and another group is fixed in deciding the spout, and the slider that corresponds at moving spout department is used for adjusting the thickness of one of them side of battery cover.
Furthermore, four material hooking rods are arranged on the inner side of the taper pin and on the material opening plate, the bottom of each material hooking rod is fixed on the material opening plate, the upper portion of each material hooking rod is located on the lower portion of the corresponding die channel, a plurality of push rods are further arranged on the material opening plate, and the upper portions of the push rods are located on the lower portion of the corresponding die core.
Furthermore, a plurality of support columns are arranged between the movable die rear plate and the cutting plate.
Furthermore, a first hydraulic cylinder butt joint plate and a second hydraulic cylinder butt joint plate are arranged at the front end of the slide rail at the movable sliding chute, the first hydraulic cylinder butt joint plate and the second hydraulic cylinder butt joint plate are respectively used for fixing a first hydraulic cylinder and a second hydraulic cylinder, a first cylinder on the first hydraulic cylinder props against the upper part of the base plate, a second cylinder on the second hydraulic cylinder props against the push rod,
after the third distance movement is completed under the driving of the first hydraulic oil cylinder, when the first hydraulic oil cylinder continues to drive movement, the stripper plate and the movable die back plate start to separate, the stripper plate moves to separate the runner condensate from the material hooking rod, at the moment, the slider and the angle pin are not completely separated, the side core pulling is continuously performed and the core pulling action is completed under the action of the angle pin, and the distance of the side core pulling is limited by a limit screw.
Furthermore, an injection molding runner is arranged in the injection molding port, and a sub-runner is formed on the injection molding runner close to the upper part of the mold core.
Furthermore, the movable die back plate is fixed on the base plate, the stripper plate is positioned on the movable die back plate, first square iron and second square iron are arranged on the left side and the right side of the movable die back plate, and the upper parts of the first square iron and the second square iron are fixed with the lower part of the movable die fixing plate.
Furthermore, guide posts are arranged on the first square iron and the second square iron, and the upper portions of the guide posts are fixed with the movable die fixing plate.
Furthermore, the bottom of the first rubber plug rod is fixed on the fixed die fixing plate, the upper portion of the first rubber plug rod penetrates through the fixed die fixing plate and the discharging plate to the cavity fixing plate, and the upper rubber plug is located in a discharging plate through hole formed in the discharging plate.
The invention has the beneficial effects that:
after the injection molding is finished, the temperature is kept between 200 ℃ and 280 ℃, the movable mold fixing plate moves backwards along with the base plate under the action of the external first hydraulic oil cylinder, the taper pin moves under the action of the discharging plate, the slide block moves to enable the inclined plate to move upwards for a set first distance, the inclined plate moves upwards to drive the outer top block to move upwards, and the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer top block moves upwards, so that the aim of adjusting the thickness of at least one side surface of the battery cover is fulfilled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the partially exploded structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of the assembled structure of FIG. 3 according to the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to examples and the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides an injection molding apparatus of a battery cover, comprising a base plate 200, a movable mold part provided on the base plate 200, and a stationary mold part provided on an upper portion of the movable mold part, the upper portion of the stationary mold part being provided with a discharge plate 211, the upper portion of the discharge plate 211 being provided with a cavity fixing plate 212, the movable mold part including a movable mold fixing plate 203, a movable mold cavity 202 provided in a middle portion of the movable mold fixing plate 203,
a material cutting plate 215 is arranged at the lower part of the movable mould fixing plate 203, a movable mould back plate 204 is arranged at the lower part of the material cutting plate 215, a plurality of support columns are arranged between the movable mould back plate 204 and the material cutting plate 215, the movable mould back plate 204 and the material cutting plate 215 are not closely separated in the initial position, the support columns penetrate through the material cutting plate 215 and are fixed at the lower part of the movable mould fixing plate 203,
the movable mold back plate 203 is fixed on the base plate 200, the stripper plate 215 is positioned on the movable mold back plate, the first square iron 201 and the second square iron 205 are arranged on the left side and the right side of the movable mold back plate 203, and the upper parts of the first square iron 201 and the second square iron 205 are fixed with the lower part of the movable mold fixing plate.
Guide posts are arranged on the first square iron 201 and the second square iron 205, and the upper parts of the guide posts are fixed with the movable die fixing plate.
The middle part of the fixed die fixing plate is provided with a fixed die cavity corresponding to the movable die cavity,
the mold core 208, the outer side of the mold core 208 is provided with an extrusion plate 222, the lower part of the extrusion plate 222 is provided with an outer top block 219, the side of the outer top block 219 facing the extrusion plate 222 is provided with a convex inclined surface, and the convex inclined surface is used for pushing the extrusion plate 222 to move inwards by a certain distance when the outer top block 219 moves upwards. The convex inclined surface is attached to the extrusion plate 222, and a gap between the mold core 208 and the extrusion plate 222 forms a mold channel;
an injection molding runner 221 is arranged in the injection molding port 212, the injection molding runner 221 forms a sub-runner close to the upper part of the mold core 208, the sub-runner is positioned at the upper part of the mold runner,
the lower part of the outer top block is fixed on the upper part of the sloping plate 218, the lower part of the sloping plate 218 is closely adjacent to the sliding rail 223, a sliding block 207 is arranged on the sliding rail 223, the sliding block 207 is fixed on the front part of the sloping plate 218, the sliding block 207 is positioned on the lower part of the sloping plate 218 and is jointed with the sloping plate 218, the lower part of the sliding block 207 is fixed on the sliding rail 223 through a limit screw 225, the upper part of the sliding block 207 is fixed on the fixed die fixing plate 203,
after the injection molding is finished, the temperature is kept between 200 ℃ and 280 ℃, the movable mold fixing plate 203 moves backwards along with the base plate 200 under the action of an external first hydraulic oil cylinder, the cavity fixing plate 213 is separated and separated from the discharging plate 211, meanwhile, the sliding block 207 moves for the same distance relative to the inclined pin 216, the sliding block 207 moves to enable the inclined plate 218 to move upwards for a set first distance, the inclined plate 218 moves upwards to drive the outer top block 219 to move upwards, and the convex inclined surface pushes the extrusion plate 222 inwards for a set second distance when the outer top block 219 moves upwards to adjust the thickness of at least one side surface of the battery cover.
The movable mould fixed plate 203 is connected through a plurality of first plug poles 206 between the fixed mould fixed plate 210, is provided with lower plug 214 and goes up plug 2140 on each first plug pole 206, the bottom of first plug pole 206 is fixed on the fixed mould fixed plate, and first plug pole upper portion passes fixed mould fixed plate 210, stripper plate 211 to die cavity fixed plate 212 on, it is located the stripper plate through-hole that sets up on the stripper plate to go up plug 2140.
The bottom of the lower rubber plug 214 is positioned at the upper part of the movable die fixing plate 203, the top of the lower rubber plug 214 is positioned at the lower part of the movable die fixing plate 203 and is used for propping against the fixed die fixing plate 210, a second rubber plug rod 227 is arranged at each first rubber plug rod 206, a second rubber plug 226 is arranged on each second rubber plug rod 227, the bottom of the second rubber plug 226 is positioned at the upper part of the movable die fixing plate 203, the top of the second rubber plug is positioned at the lower part of the movable die fixing plate and is used for propping against the fixed die fixing plate 210, the movable die fixing plate moves backwards along with the base plate under the action of an external first hydraulic oil cylinder, the sliding block 207 moves and separates from the discharging plate 211 while the sliding block 207 moves for the same distance relative to the inclined pin 216, at the moment, the separation power of the die cavity fixing plate 212 and the discharging plate 211 is driven by the first rubber plug rods 206, the sliding block 207 moves to enable the inclined plate 218 to move upwards for a set first distance which is determined by the displacement of the upper rubber plug 2140 which is screwed out from the through hole of the fixed die, the inclined plate 218 moves upwards to drive the outer top block 219 to move upwards, the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer top block 219 moves upwards to adjust the thickness of at least one side surface of the battery cover, the temperature is kept between 150 ℃ and 200 ℃ for 5-10min, the cooling mechanism 220 embedded in the extrusion plate 222 starts to cool, the movable mold fixing plate 203 continues to move backwards along with the base plate 200 under the action of an external first hydraulic oil cylinder, the cavity fixing plate 212 and the discharge plate 211 move to a set third distance under the action of the first rubber plug rod 206 and the second rubber plug rod 227, the length of the third distance is the same as the overall length of the shunt channel, because the sliding block 207 is fixed on the fixing plate 210, the inclined pin 216 is fixed on the material opening plate, and at the same time, the sliding block 207 moves simultaneously relative to the inclined pin 216, and the lateral core pulling movement is generated when the inclined pin 216 acts, the distance that the movement of the lateral core pulling is pulled open is limited by a limit screw 225.
The outer edge of the movable mold cavity is provided with a group of movable chutes and a group of fixed chutes, the movable chutes are arranged along the outer edge of the movable mold cavity to the outer edge of the movable mold fixing plate, the fixed chutes are arranged along the outer edge of the movable mold cavity to the middle position of the movable mold fixing plate,
the slide rail sets up by two sets, and one of them group slide rail is fixed in moving the spout, and another group is fixed in deciding the spout, and the slider that corresponds at moving spout department is used for adjusting the thickness of one of them side of battery cover.
Four material hooking rods 224 are arranged on the inner side of the angle pin 216 and on the material opening plate, the bottoms of the material hooking rods 224 are fixed on the material opening plate, the upper portions of the material hooking rods 224 are arranged on the lower portion of the die path, a plurality of push rods (arranged on the material opening plate and on the inner side of the material hooking rods 224) are further arranged on the material opening plate, and the upper portions of the push rods are arranged on the lower portion of the die core.
A first hydraulic cylinder butt joint plate 100 and a second hydraulic cylinder butt joint plate 101 are arranged at the front end of the sliding rail at the movable sliding chute, the first hydraulic cylinder butt joint plate 100 and the second hydraulic cylinder butt joint plate 101 are respectively used for fixing a first hydraulic cylinder and a second hydraulic cylinder, a first cylinder on the first hydraulic cylinder props against the upper part of the base plate, a second cylinder on the second hydraulic cylinder props against the push rod,
after the third distance movement is completed under the driving of the first hydraulic oil cylinder, when the first hydraulic oil cylinder continues to drive movement, the stripper plate and the movable die back plate start to separate, the stripper plate moves to separate the runner condensate from the material hooking rod, at the moment, the slider and the angle pin are not completely separated, the side core pulling is continuously performed and the core pulling action is completed under the action of the angle pin, and the distance of the side core pulling is limited by a limit screw.
The specific working principle is as follows: when the injection molding machine finishes injection and pressure maintaining, the temperature is kept between 200 ℃ and 280 ℃, a movable mold fixing plate moves backwards along with a base plate under the action of an external first hydraulic oil cylinder, a cavity fixing plate is separated and separated from a discharging plate, a sliding block moves for the same distance relative to an inclined pin, the sliding block moves to enable an inclined plate to move upwards, the inclined plate moves upwards to drive an outer top block to move upwards, a convex inclined surface pushes an extrusion plate inwards for a set second distance when the outer top block moves upwards to adjust the thickness of at least one side surface of a battery cover, then cooling molding is carried out, then the injection mold needs to be opened, the opening power of the injection mold is from the first hydraulic oil cylinder for injection molding, after an injection molding control system sends out an instruction, the first hydraulic oil cylinder starts to work, the first oil cylinder drives a plate behind the injection molding to start to move, and the mold opening part of the injection mold is fixed on the injection molding base plate, the injection mold can move backwards along with the injection molding substrate, and because the fixed mold part of the injection mold is fixed in front of injection molding, the fixed mold part is stationary during mold opening, and the cavity fixing plate needs to move.
Therefore, the die opening time comprises the following four steps:
the first step is as follows: thickness adjustment of the battery cover is completed: the movable mould fixed plate moves backward along with the base plate under the effect of an external first hydraulic oil cylinder, the cavity fixed plate and the stripper plate are separated and separated while the slider moves for the same distance relative to the taper pin, at the moment, the cavity fixed plate and the stripper plate are driven by a first rubber plug rod, the slider moves to enable the swash plate to move upwards for a set first distance, the first distance is determined by the displacement of the upper rubber plug screwing out from the through hole of the fixed mould, the swash plate moves upwards to drive the outer top block to move upwards, the convex inclined surface pushes the extrusion plate inwards for a set second distance during the upward movement of the outer top block, and the thickness of at least one side surface of the battery cover is adjusted.
The second step is that: the method comprises the following steps of carrying out first parting, keeping the temperature between 150 ℃ and 200 ℃ for 5-10min, cooling a cooling mechanism embedded in an extrusion plate, moving a movable die fixing plate to move backwards along with a base plate under the action of an external first hydraulic oil cylinder, moving a cavity fixing plate and a discharge plate to a set third distance under the action of a first rubber plug rod and a second rubber plug rod, wherein the length of the third distance is equal to the overall length of a branch runner, because a sliding block is fixed on a fixed die fixing plate, an inclined pin is fixed on a material opening plate, the sliding block moves simultaneously relative to the inclined pin at the moment, lateral core pulling motion can be generated under the action of the inclined pin, and the distance for pulling the lateral core pulling motion is limited by a limit screw.
The third step: and (2) performing secondary parting, namely continuing the die sinking movement on the basis of completing the primary parting, wherein the stripper plate starts to move, the stripper plate is used for forcibly separating the runner condensate from the material hooking rod, the moving distance is generally 8 mm-10 mm, and the slider and the taper pin are not completely separated like the primary die sinking, so that the lateral core loosing is continuously performed and the core loosing action is completed. The adopted limiting screw is used for controlling, the two-time parting is used for pulling the space of the die open, and the runner condensate can be taken out in space.
And fourthly, parting for the third time, continuing the die sinking movement after completing the secondary parting, and separating the movable die part from the fixed die part. When the movable mold moves to the designated position of the injection molding machine, the product has enough space for taking out, and when the product is in this time, a second hydraulic cylinder configured by the injection molding machine receives an instruction to work and pushes the product forwards, a second round rod of the second pushing cylinder pushes a push rod fixing plate of the injection mold to move forwards, a push rod on a cutting plate directly acts on the inner surface of the plastic product, and the product is lowered to push the movable mold core.
After the steps are completed, die assembly is carried out, after a product is taken out, the closing process of injection molding is required, the closing power of the injection mold is also from the first hydraulic oil cylinder, after the injection molding control system sends a die closing instruction, the first hydraulic oil cylinder starts to work, the first hydraulic oil cylinder drives the base plate to move forward, the movable mold part of the injection mold and the base plate move forward together, when the inclined surface of the taper pin is contacted with the inclined surface of the sliding block, the sliding block resets, the pressing plate resets simultaneously when the sliding block resets, the push rod resets when the reset rod of the movable mold touches the fixed mold fixing plate, after the movable mold continues to move forward to a specified position, the parting surfaces of the movable mold part and the fixed mold part are closely attached together, and the closing action of the whole mold is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An injection molding device of a battery cover comprises a base plate, a movable mold part arranged on the base plate, and a fixed mold part arranged on the upper part of the movable mold part, wherein the upper part of the fixed mold part is provided with a stripper plate, the upper part of the stripper plate is provided with a cavity fixing plate, the injection molding device is characterized in that the movable mold part comprises a movable mold fixing plate, the middle part of the movable mold fixing plate is provided with a movable mold cavity,
a material opening plate is arranged at the lower part of the movable mould fixing plate, a movable mould rear plate is arranged at the lower part of the material opening plate,
the middle part of the fixed die fixing plate is provided with a fixed die cavity corresponding to the movable die cavity,
the die comprises a die core, an extrusion plate is arranged on the outer side of the die core, an outer ejector block is arranged on the lower portion of the extrusion plate, a convex inclined surface is arranged on one side, facing the extrusion plate, of the outer ejector block, the convex inclined surface is attached to the extrusion plate, and a gap between the die core and the extrusion plate forms a die channel;
the lower part of the outer ejector block is fixed on the upper part of the inclined plate, the lower part of the inclined plate is adjacent to the slide rail, the slide rail is provided with a slide block, the slide block is fixed on the front part of the inclined plate, the slide block is positioned on the lower part of the inclined plate and is jointed with the inclined plate, the lower part of the slide block is fixed on the slide rail through a limit screw, the upper part of the slide block is fixed on the fixed die fixing plate,
after the injection molding is finished, the temperature is kept between 200 ℃ and 280 ℃, the movable mold fixing plate moves backwards along with the base plate under the action of an external first hydraulic oil cylinder, the cavity fixing plate and the discharge plate are separated and separated, meanwhile, the sliding block moves for the same distance relative to the taper pin, the sliding block moves to enable the inclined plate to move upwards for a set first distance, the inclined plate moves upwards to drive the outer top block to move upwards, and the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer top block moves upwards to adjust the thickness of at least one side face of the battery cover.
2. The injection molding device of the battery cover according to claim 1, wherein the movable mold fixing plate and the fixed mold fixing plate are connected through a plurality of first rubber plug rods, each first rubber plug rod is provided with a lower rubber plug and an upper rubber plug, the bottom of the lower rubber plug is positioned at the upper part of the movable mold fixing plate, the top of the lower rubber plug is positioned at the lower part of the movable mold fixing plate and used for propping against the fixed mold fixing plate, a second rubber plug rod is arranged at each first rubber plug rod, a second rubber plug is arranged on the second rubber plug rod, the bottom of the second rubber plug is positioned at the upper part of the movable mold fixing plate, the top of the second rubber plug is positioned at the lower part of the movable mold fixing plate and used for propping against the fixed mold fixing plate, the movable mold fixing plate moves backwards along with the base plate under the action of the external first hydraulic cylinder, the slide block moves the same distance relative to the taper pin while the cavity fixing plate is separated and separated from the discharge plate, at the time, the separation power of the cavity fixing plate and the discharge plate is driven by the first rubber plug rods, the slide block moves to enable the inclined plate to move upwards for a set first distance, the first distance is determined by the displacement of the upper rubber plug screwed out from the through hole of the fixed die, the inclined plate moves upwards to drive the outer ejector block to move upwards, the convex inclined surface pushes the extrusion plate inwards for a set second distance when the outer ejector block moves upwards to adjust the thickness of at least one side surface of the battery cover, the cooling mechanism embedded in the extrusion plate starts to cool after the temperature is kept between 150 ℃ and 200 ℃ and lasts for 5-10min, the movable die fixing plate moves backwards along with the base plate under the action of the external first hydraulic oil cylinder, the cavity fixing plate and the discharge plate move to a set third distance under the action of the first rubber plug rod and the second rubber plug rod, the length of the third distance is the same as the integral length of the shunt channel, the slide block is fixed on the fixed die fixing plate, the inclined pin is fixed on the discharge plate, and the slide block moves simultaneously relative to the inclined pin at the moment, the side direction core pulling movement can be generated when the angle pin acts, and the distance of the side direction core pulling movement pulling is limited by a limit screw.
3. The battery cover injection molding apparatus according to claim 1, wherein the outer edge of the movable mold cavity is provided with a set of movable sliding grooves and a set of fixed sliding grooves, the movable sliding grooves are opened along the outer edge of the movable mold cavity toward the outer edge of the movable mold fixing plate, the fixed sliding grooves are opened along the outer edge of the movable mold cavity toward the middle position of the movable mold fixing plate,
the slide rail sets up by two sets, and one of them group slide rail is fixed in moving the spout, and another group is fixed in deciding the spout, and the slider that corresponds at moving spout department is used for adjusting the thickness of one of them side of battery cover.
4. The injection molding device of the battery cover according to claim 1, wherein four material hooking rods are arranged on the material opening plate inside the angle pin, the bottom of each material hooking rod is fixed on the material opening plate, the upper part of each material hooking rod is arranged on the lower part of the mold channel, a plurality of push rods are further arranged on the material opening plate, and the upper parts of the push rods are arranged on the lower part of the mold core.
5. The battery cover injection molding apparatus of claim 1, wherein a plurality of support pillars are provided between the movable mold back plate and the blanking plate.
6. The injection molding equipment of the battery cover according to claim 3, wherein a first hydraulic cylinder butt plate and a second hydraulic cylinder butt plate are arranged at the front end of the slide rail at the movable chute, the first hydraulic cylinder butt plate and the second hydraulic cylinder butt plate are respectively used for fixing a first hydraulic cylinder and a second hydraulic cylinder, a first cylinder on the first hydraulic cylinder is propped against the upper part of the base plate, a second cylinder on the second hydraulic cylinder is propped against the push rod,
after the third distance movement is completed under the driving of the first hydraulic oil cylinder, when the first hydraulic oil cylinder continues to drive movement, the stripper plate and the movable die back plate start to separate, the stripper plate moves to separate the runner condensate from the material hooking rod, at the moment, the slider and the angle pin are not completely separated, the side core pulling is continuously performed and the core pulling action is completed under the action of the angle pin, and the distance of the side core pulling is limited by a limit screw.
7. The battery cover injection molding apparatus of claim 1, wherein an injection molding runner is provided in the injection molding port, the injection molding runner forming a runner in close proximity to an upper portion of the mold core.
8. The battery cover injection molding apparatus of claim 1, wherein the movable mold back plate is fixed to the base plate, the stripper plate is positioned on the movable mold back plate, first and second square irons are provided on left and right sides of the movable mold back plate, and upper portions of the first and second square irons are fixed to a lower portion of the movable mold fixing plate.
9. The injection molding equipment of the battery cover according to claim 8, wherein the first square iron and the second square iron are provided with guide pillars, and the upper parts of the guide pillars are fixed with the movable mold fixing plate.
10. The injection molding device of the battery cover according to claim 2, wherein the bottom of the first rubber plug rod is fixed on the fixed mold fixing plate, the upper part of the first rubber plug rod passes through the fixed mold fixing plate and the discharging plate to the cavity fixing plate, and the upper rubber plug is positioned in the discharging plate through hole arranged on the discharging plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903832.4A CN113715271B (en) | 2021-08-06 | 2021-08-06 | Injection molding equipment of battery cover |
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| CN202110903832.4A CN113715271B (en) | 2021-08-06 | 2021-08-06 | Injection molding equipment of battery cover |
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| CN113715271B CN113715271B (en) | 2022-07-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2066138A (en) * | 1979-12-31 | 1981-07-08 | Chloride Group Ltd | Adjustable moulds |
| CN101704291A (en) * | 2009-11-02 | 2010-05-12 | 王伟杰 | Double-cylinder bidirectional synchronous opposite vertex diagonal-slip core puller |
| CN208375841U (en) * | 2018-06-23 | 2019-01-15 | 东莞市科贸实业有限公司 | A kind of injection mold of battery cover knob button |
-
2021
- 2021-08-06 CN CN202110903832.4A patent/CN113715271B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2066138A (en) * | 1979-12-31 | 1981-07-08 | Chloride Group Ltd | Adjustable moulds |
| CN101704291A (en) * | 2009-11-02 | 2010-05-12 | 王伟杰 | Double-cylinder bidirectional synchronous opposite vertex diagonal-slip core puller |
| CN208375841U (en) * | 2018-06-23 | 2019-01-15 | 东莞市科贸实业有限公司 | A kind of injection mold of battery cover knob button |
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| CN113715271B (en) | 2022-07-01 |
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