CN108202452B - Sliding block assembly and injection mold - Google Patents
Sliding block assembly and injection mold Download PDFInfo
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- CN108202452B CN108202452B CN201810185202.6A CN201810185202A CN108202452B CN 108202452 B CN108202452 B CN 108202452B CN 201810185202 A CN201810185202 A CN 201810185202A CN 108202452 B CN108202452 B CN 108202452B
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- mounting hole
- sliding block
- operation window
- slider
- insert pin
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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
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a sliding block assembly and an injection mold, wherein the sliding block assembly comprises: the injection mold comprises a sliding block, a sliding block seat and a sliding block, wherein a mounting hole is formed in the sliding block, an operation window is formed in the inner wall of the mounting hole, and the sliding block seat of the injection mold is installed on one side of the sliding block; the supporting piece is arranged in the mounting hole corresponding to the operation window; the insert pin is detachably installed in the installation hole, is positioned on one side, far away from the sliding block seat, of the support piece and is in contact with the support piece. The utility model discloses a take out of needle is inlayed to the front end that will inlay the needle, can be with the change of inlaying the needle realization in the mounting hole reinstallation of the needle of inlaying of treating the change afterwards in the one end that the slider seat was kept away from to the needle is inlayed in the mounting hole, and through setting up operation window accessible operation window with the instrument stretch into the mounting hole, inlay the tail end of needle to the mounting hole is released to the front end that will inlay the needle, and then realizes inlaying the taking out of needle. In the replacement process, the whole die does not need to be disassembled, and the movable die part does not need to be disassembled, so that the replacement process of the insert pin is simple and quick, the die removal strength and the maintenance time of workers can be reduced, and the production efficiency of products is improved.
Description
Technical Field
The invention relates to the field of mold manufacturing, in particular to a sliding block assembly and an injection mold.
Background
At present, many molds produce products with hollow cylinder structures, such as a chassis of a split air conditioner, bolt columns are required to be formed, and in order to form products with hollow cylinder structures or hollow hole structures, a slide block assembly shown in fig. 1 is appeared at present, wherein the slide block assembly comprises a slide block 1 'and an insert needle 2', wherein one side of the slide block assembly, far away from a workpiece, is arranged on a slide block seat, and the slide block seat is used for supporting the slide block and driving the slide block to slide. However, the insert needle 2 'of the slide block assembly is very easy to break in the specific forming process, and when the insert needle is replaced after the insert needle 2' is broken, the whole set of die needs to be disassembled from the injection molding machine, and then the insert needle can be replaced by completely disassembling the movable die part, so that the insert needle is very troublesome to replace, the die disassembling strength and the maintenance time of workers are increased, the production and the efficiency of a factory are influenced, and therefore, how to quickly replace the insert needle is always a difficult point in the industry.
Therefore, how to provide a slider assembly capable of simply and rapidly replacing an insert pin and an injection mold comprising the slider assembly become problems to be solved urgently at present.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
It is therefore an object of the present invention to provide a slider assembly.
Another object of the present invention is to provide an injection mold including the above slider assembly.
To achieve the above object, an embodiment of a first aspect of the present invention provides a slider assembly for an injection mold, the injection mold including a slider seat, the slider assembly comprising: the sliding block is provided with a mounting hole, the inner wall of the mounting hole is provided with an operation window, and the sliding block seat is used for being supported and mounted on one side of the sliding block; the supporting piece is arranged in the mounting hole corresponding to the operation window; and the insert pin is detachably arranged in the mounting hole, is positioned on one side of the support piece far away from the slider seat and is in contact with the support piece.
The slider assembly provided by the embodiment of the first aspect of the invention can be used for production and molding of a hollow cylinder of a part or a hole of the part, wherein the slider assembly comprises a slider, a support and an insert pin, the slider is provided with a mounting hole, meanwhile, the support is mounted in the mounting hole corresponding to an operation window, the insert pin is mounted in the mounting hole and is positioned at one end of the insert pin to be in contact with the insert pin, so that the insert pin can be mounted in one end of the mounting hole far away from a slider seat, and the insert pin can be taken out from one end of the slider far away from the slider seat. And through be provided with the operation window that switches on with the mounting hole on the inner wall of mounting hole, and inlay the needle and install in the mounting hole and be located the one end of inlaying the needle and inlay the needle contact, like this through operation window user alright stretch into the mounting hole with tools etc. and place the tip that inlays the needle and be close to the one end of slider seat, inlay the tail end of needle promptly, alright keep away from the one end of slider seat to the mounting hole through the tool like this, the front end of slider promotes to inlay the needle promptly, so that can push out the mounting hole with inlaying the needle from the one end of keeping away from the slider seat, and after the one end of inlaying the needle promotes the one end that the slider seat was kept away from to the mounting hole, alright directly extract the inlaying needle from the mounting hole in the one end department of slider seat is kept away from the mounting hole in the mounting hole, in order to realize inlaying the dismantlement of needle, alright reinstallating the mounting hole of waiting to change of needle afterwards, in order to realize inlaying the change of needle. In the replacement process of the insert pin, the insert pin can be taken out and replaced only by a tool with a certain length, such as a screwdriver and the like, so that the whole die does not need to be disassembled, and the movable die part does not need to be disassembled, the replacement process of the insert pin is simple and quick, the die removal strength and the maintenance time of workers can be reduced while the cost is not increased basically, specifically, the time for maintaining the die by the workers can be shortened from about 50 hours to about 6 hours, and the production and the efficiency of a factory are improved.
Specifically, when the slide block assembly is used, the slide block assembly far away from the slide block seat is contacted with a workpiece, and the insert pin and/or the front end of the slide block extend into a mold cavity, so that a hole and a hollow cylinder structure are formed through the slide block and the insert pin.
Among them, it is preferable that the insert is a rigid insert, and it is further preferable that the insert is processed by SKD61 (a hot die steel of japanese brand), so that the rigidity and strength of the insert can be secured.
Wherein, preferably, the diameter of the insert pin
Preferably about 3.5mm, so that the insert pin can be made relatively thin, although the diameter of the insert pin can be selected specifically according to the hole to be formed. And the diameter of the mounting hole is matched with that of the insert pin.
Wherein, the length of the insert pin is preferably about 60mm, so that the length of the insert pin is moderate, and the insert pin is more convenient to eject from the sliding block.
Preferably, the number of the insert pins is one or more, in the technical schemes, one insert pin can be arranged, but preferably, a plurality of insert pins can be arranged, so that a plurality of spare insert pins can be arranged in advance to facilitate replacement of the insert pins after breakage.
In addition, the slider assembly provided according to the above embodiment of the present invention has the following additional technical features:
in the above technical solution, preferably, the supporting member is detachably mounted in the mounting hole corresponding to the operation window, and/or the supporting member is mounted in the mounting hole and located at one end of the operation window close to the slider seat.
In these technical scheme, support piece corresponds operation window and can installs in the mounting hole with dismantling for when changing to inlay the needle, can dismantle support piece earlier, in order to reserve out the space that support piece originally occupied, when stretching into the mounting hole with the instrument through operation window like this, alright place the instrument in the position that support piece originally occupied, just so can place the instrument in the one side of inlaying the needle fast, thereby can push out the mounting hole with inlaying the needle fast simply, in order to realize inlaying the change of needle. The support is arranged in the mounting hole, and one end part of the operation window is operated, so that the tool can push the insert pin to the other end part of the operation window at least from one end part of the operation window, and the length of the operation window can be reduced on the premise that the effective range of the tool movement is larger. Of course, the support can also be arranged in the middle of the operating window, but this can result in another part of the operating window not being functional when the insert is replaced and also in an excessive length of the operating window, which can reduce the strength of the slider.
In any one of the above technical solutions, preferably, a fixing hole is provided on an inner wall of the mounting hole on a side of the operation window away from the slider seat, and the slider assembly further includes: and one end of the locking piece can be detachably arranged in the fixing hole and extends to the insert pin so as to press the insert pin.
In the technical schemes, a fixing hole can be arranged on the inner wall of the mounting hole, so that the fixing hole can be inserted into the fixing hole through a locking piece, the insert pin is pressed from the side wall of the insert pin through the locking piece, and the insert pin can be locked and fixed in the mounting hole. When the insert pin is replaced, the supporting piece can be detached firstly, the insert pin is propped by a tool, then the locking piece is detached, and then the insert pin can be ejected out of the mounting hole through the tool.
In any one of the above technical solutions, preferably, an internal thread is provided on an inner wall of the fixing hole, an external thread is provided on the locking member, and the locking member is installed to the fixing hole through the cooperation of the internal thread and the external thread.
In these technical scheme, can set up the hole screw thread on the inner wall of fixed orifices, then install in the fixed orifices through the retaining member screw in that has the external screw thread, like this alright realize the installation of retaining member through the mode of screw thread installation, and then realize the locking of compressing tightly of inlaying the needle.
Wherein, preferably, the locking piece is a screw, and further, the locking piece is a headless screw. Because the screw is more common and easily purchase for the standard part, therefore the cost is lower, in addition, the locking mode of screw is more reliable and also good dismouting, therefore can improve the installation stability of inlaying the needle. The headless screw can be completely immersed into the fixing hole, so that the screw cap can be prevented from being exposed out of the fixing hole.
Wherein, preferably, the screw is an M5 screw.
In any of the above technical solutions, preferably, a fixing structure is disposed on an inner wall of the mounting hole, and the support member can be mounted in the mounting hole through the fixing structure.
In these technical solutions, a fixing structure may be disposed on an inner wall of the other side of the mounting hole where the operation window is not disposed, for example, on an inner wall of the inner side, so that the support member may be mounted in the slider through the fixing structure, thereby enabling the support member to be used for supporting the insert pin. Specifically, the fixing structure may be a fixing groove or a snap, which is not listed here.
In any one of the above technical solutions, preferably, the fixing structure is a fixing groove, and the support member includes: the supporting block is provided with a through hole; and one end of the connecting piece is fixed in the through hole, and the other end of the connecting piece penetrates through the through hole and is fixed in the fixing groove.
In these technical schemes, can be on the mounting hole does not set up the opposite side inner wall of operation window, for example set up the fixed slot on the inner wall of inboard, then set up support piece to the structure of supporting shoe and connecting piece, alright realize the support installation to inlaying the needle like this through the supporting shoe, and realize the installation between supporting shoe and the slider through the connecting piece.
Preferably, the side wall of the fixing groove is provided with threads, and the connecting piece is a screw or a bolt, or the connecting piece is a headless screw. Thus, the supporting block can be arranged in the sliding block through screws or bolts. And the connecting piece is preferably a screw or a bolt, because the screw or the bolt is a standard piece which is relatively common and easy to purchase, the cost is lower, and in addition, the locking mode of the screw or the bolt is relatively reliable and is also easy to disassemble and assemble, so that the installation stability of the supporting block can be improved. The headless screw can completely submerge the screw into the through hole, so that the nut of the screw can be prevented from being exposed out of the through hole.
Wherein, preferably, the connecting piece is an M5 screw.
The supporting block and the connecting piece can be arranged into an integrated structure, the connecting piece is directly machined on the supporting block at the moment, for example, the supporting block and the connecting piece can be arranged into a columnar structure with threads at the front end, so that the columnar structure can be inserted into and installed in the fixing groove, and the inlaid needle is supported. Of course, the support block and the connecting member may be provided in a single structure, such as a block and a screw.
Wherein, preferably, the supporting block is a steel block, preferably a P20 steel block. Further, the supporting block is a square block of 10mm × 10mm × 9 mm.
In any one of the above technical solutions, preferably, the operation window is an elongated hole distributed along an axial direction of the mounting hole; and/or the length of the operation window in the axial direction of the mounting hole is larger than or equal to 15mm, and the width of the operation window in the radial direction of the mounting hole is larger than or equal to 10mm.
In these technical solutions, it is preferable that the operation window is provided as a long strip-shaped hole, such as a rectangular hole or a waist-shaped hole, distributed along the axial direction of the mounting hole, so that the operation space of the operation window in the axial direction of the mounting hole is relatively large, thereby improving the convenience of insert pin replacement. The length of the operation window in the axial direction of the mounting hole is larger than or equal to 15mm, and the width of the operation window in the radial direction of the mounting hole is larger than or equal to 10mm, so that the length and the width of the operation window are moderate, the insert pin can be conveniently pushed out of the mounting hole by a tool, and the operation window can be prevented from being too large.
Preferably, the length of the operation window can be set according to the specific core pulling stroke of the insert pin, so that the front end of the insert pin can extend out of the mounting hole by 4-5 mm after the insert pin moves by the length of the operation window. Meanwhile, the width of the operation window can be set according to the size of the tool, so that the tool can conveniently stretch into the operation window.
Wherein, the slider is oblique slider.
The sliding block assembly is preferably used for forming an injection mold of the air conditioner chassis, and can be used for forming other products with holes, and is not limited to the injection mold for forming the air conditioner chassis.
According to the slider component provided by the embodiment of the invention, when the slider component is used specifically, a 3.5mm mounting hole is firstly processed on the slider, the processed insert pin is installed from the front of the slider 1, extends into the slider mounting hole for 50mm and then is limited by the supporting block, and then can be fastened by two headless screws from the side, wherein one of the headless screws presses the insert pin from the side of the slider to prevent the insert pin from moving up and down, and the other one fastens the supporting block and the slider together to prevent the insert from sliding down along the mounting hole, and after the insert pin is broken, a worker can detach the supporting block from the side, extends into an operation window by using a common elongated tool (such as a screwdriver), then knocks the insert pin out of the mounting hole from the bottom of the insert pin upwards, and then replaces the spare insert pin. The mode of changing the insert pin can avoid detaching the whole slide block from the slide block seat and detaching the whole slide block system from the fixed mould part, thereby greatly reducing the operation intensity of workers, improving the maintenance efficiency of the mould and also greatly reducing the processing and maintenance time of the mould in the aspect of cost.
When the insert pins are replaced through the scheme, the slide block needs to be pushed forwards through the slide block seat, so that the insert pins can be replaced after the slide block is reset to the die assembly state, after the insert pins are replaced quickly, the slide block can be pulled back through the slide block seat to the complete die opening state of the die, and then the fixed die and the movable die can be assembled.
An embodiment of the second aspect of the invention provides an injection mold, which comprises the slider assembly provided in any embodiment of the first aspect and a slider seat, wherein the slider seat is installed on one side of the slider assembly.
The injection mold provided by the embodiment of the present invention has the slider assembly provided in any embodiment of the first aspect of the present invention, and therefore the injection mold has all the beneficial effects of the slider assembly provided in any embodiment described above, and details are not repeated herein.
Preferably, the injection mold further comprises a driving structure, and the driving structure is used for driving the sliding block assembly to slide.
Preferably, the injection mold is an injection mold for forming the air conditioner chassis, and of course, the injection mold can also be used for forming other products with holes, and is not limited to the injection mold for forming the air conditioner chassis.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an assembly structure of a slider assembly and a slider seat in the prior art.
Wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is:
1 'slide block and 2' insert pin.
FIG. 2 is a schematic structural view of a slider assembly provided by one embodiment of the present invention;
FIG. 3 is an exploded schematic view of a slider assembly provided in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of a portion of an injection mold according to an embodiment of the present invention;
fig. 5 is an exploded view of a part of the structure of an injection mold according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 2 to 5 is:
1 slider, 12 mounting holes, 14 operating windows, 16 fixing holes, 2 supporting pieces, 22 supporting blocks, 222 through holes, 24 connecting pieces, 3 insert pins, 4 locking pieces and 5 slider seats.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Slider assemblies and injection molds according to some embodiments of the present invention are described below with reference to fig. 2-5.
As shown in fig. 2 and 3, an embodiment of a first aspect of the present invention provides a slider assembly for an injection mold shown in fig. 4 and 5, wherein as shown in fig. 4 and 5, the injection mold comprises a slider seat 5, wherein, as shown in fig. 2 and 3, the slider assembly comprises a slider 1, a support 2 and a needle 3, specifically, the slider 1 is provided with a mounting hole 12, an inner wall of the mounting hole 12 is provided with an operating window 14, and the slider seat 5 is used for being supported and mounted on one side of the slider 1; the supporting piece 2 is arranged in the mounting hole 12 corresponding to the operation window 14; the insert pin 3 is detachably mounted in the mounting hole 12 on a side of the support 2 remote from the slider holder 5 and contacts the support 2.
The embodiment of the first aspect of the present invention provides a slider assembly, which can be used for production and molding of a hollow cylinder of a component or a hole of a component, wherein the slider assembly comprises a slider 1, a support 2 and an insert pin 3, wherein specifically, a mounting hole 12 with a diameter of about 3.5mm can be arranged on the slider 1, then the insert pin 3 is mounted in the mounting hole 12 and extends into the mounting hole of the slider 1 for 50mm depth and then is limited by the support 2, and thereafter, the insert pin 3 can be limited and mounted in the mounting hole 12, specifically, the insert pin 3 can be fastened by two headless screws from the side. And the support 2 is mounted in the mounting hole 12 corresponding to the operation window 14, and the insert pin 3 is mounted in the mounting hole 12 with the end of the insert pin 3 in contact with the insert pin 3, which enables the insert pin 3 to be mounted in the end of the mounting hole 12 remote from the slider holder 5, thereby making it possible to take out the insert pin 3 from the end of the slider 1 remote from the slider holder 5. By providing the operation window 14 communicating with the mounting hole 12 on the inner wall of the mounting hole 12, and the insert pin 3 being mounted in the mounting hole 12 and located at one end of the insert pin 3 to contact with the insert pin 3, a user can insert a tool or the like into the mounting hole 12 and place the end of the insert pin 3 close to one end of the slider holder 5, i.e., the tail end of the insert pin 3, through the operation window 14, so that the insert pin 3 can be pushed by a tool, such as a screwdriver, toward one end of the mounting hole 12 away from the slider holder 5, i.e., the front end of the slider 1, so as to push the insert pin 3 out of the mounting hole 12 from the one end of the slider holder 5, and after the one end of the insert pin 3 is pushed out of the one end of the mounting hole 12 away from the slider holder 5, the insert pin 3 can be directly extracted from the mounting hole 12 at the one end of the mounting hole 12 away from the slider holder 5, so as to achieve the detachment of the insert pin 3, and thereafter, the insert pin 3 to be replaced can be reinstalled into the mounting hole 12, so as to achieve the replacement of the insert pin 3. In the replacement process of the insert pin 3, the insert pin 3 can be taken out and replaced only by a tool with a certain length, such as a screwdriver and the like, so that the whole die does not need to be disassembled, and the movable die part does not need to be disassembled, so that the replacement process of the insert pin 3 is simple and quick, the die removal strength and the maintenance time of workers can be reduced while the cost is not increased basically, specifically, the die maintenance time of the workers can be shortened from about 50 hours to about 6 hours, and the factory production and the efficiency are improved.
Wherein, in particular, when the slide assembly is used, one side of the slide assembly, which is far away from the slide seat 5, is in contact with a workpiece, and the insert pin 3 and/or the front end of the slide 1 is extended into a mold cavity, so that a hole and a hollow cylinder structure are formed through the slide 1 and the insert pin 3.
Among them, the insert pin 3 is preferably a rigid insert pin, and further preferably, the insert pin 3 may be processed by SKD61 (a hot die steel of japanese brand), so that the rigidity and strength of the insert pin 3 can be secured.
Wherein the diameter of the insert pin 3 is preferably
Preferably about 3.5mm, so that the thickness of the insert pin 3 can be made relatively moderate, but the diameter of the insert pin 3 can be specifically selected according to the hole to be formed.
Wherein, the length of the insert pin 3 is preferably about 60mm, so that the length of the insert pin 3 is moderate, thereby being more convenient for ejecting from the slide block.
Preferably, the number of the insert pins 3 is one or more, and in the embodiments, one insert pin 3 may be provided, but preferably, a plurality of insert pins 3 may be provided, so that a plurality of spare insert pins 3 can be provided in advance to facilitate replacement of the insert pins 3 after breakage.
In the above embodiment, preferably, the support member 2 is detachably mounted in the mounting hole 12 corresponding to the operation window 14 as shown in fig. 2 and 3, and/or the support member 2 is mounted in the mounting hole 12 at an end of the operation window 14 close to the slider holder 5 as shown in fig. 2 to 5.
In these embodiments, the supporting member 2 is detachably mounted in the mounting hole 12 corresponding to the operation window 14, so that when the insert pin 3 is replaced, the supporting member 2 can be detached first to reserve the space occupied by the supporting member 2, so that when the tool is inserted into the mounting hole 12 through the operation window 14, the tool can be placed at the position occupied by the supporting member 2, and thus the tool can be quickly placed at one side of the insert pin 3, so that the insert pin 3 can be quickly and simply pushed out of the mounting hole 12, and the insert pin 3 can be replaced. The support member 2 is mounted in the mounting hole 12 and one end of the operation window 14 is operated, so that the tool can push the insert pin 3 at least from one end of the operation window 14 to the other end of the operation window 14, thereby reducing the length of the operation window 14 on the premise of a large effective range of movement of the tool. Naturally, the support 2 can also be arranged in the middle of the operating window 14, but this can result in another part of the operating window 14 not being functional when the insert 3 is replaced and also in an excessive length of the operating window 14, which can reduce the strength of the slider 1.
In any of the above embodiments, preferably, as shown in fig. 2 and 3, the inner wall of the mounting hole 12 on the side of the operation window 14 away from the slider seat 5 is provided with a fixing hole 16, and the slider assembly further includes: and a locker 4 having one end of the locker 4 detachably mounted in the fixing hole 16 and extended to the insert 3 to press the insert 3.
In these embodiments, a fixing hole 16 may be formed on the inner wall of the mounting hole 12 so that the insert pin 3 can be locked and fixed in the mounting hole 12 by inserting a locking member 4 into the fixing hole 16 to press the insert pin 3 from the side wall of the insert pin 3 through the locking member 4. When the insert pin 3 is replaced, the support 2 can be removed, the insert pin 3 is pressed against by a tool, then the locking member 4 is removed, and then the insert pin 3 can be ejected out of the mounting hole 12 by the tool.
In any of the above embodiments, preferably, as shown in fig. 2, the inner wall of the fixing hole 16 is provided with an internal thread, the locking member 4 is provided with an external thread, and the locking member 4 is mounted to the fixing hole 16 by the engagement of the internal thread and the external thread.
In these embodiments, the inner wall of the fixing hole 16 may be provided with a hole thread, and then the hole thread is screwed into the fixing hole 16 by a locking member 4 with an external thread, so that the locking member 4 can be installed by means of the thread installation, and the insert 3 can be tightly locked.
Among them, it is preferable that the locking member 4 is a screw, as shown in fig. 2 and 3, and further, the locking member 4 is a headless screw. Because the screw is more common and easily purchase for the standard component, therefore the cost is lower, in addition, the locking mode of screw is more reliable and also good dismouting, therefore can improve the installation stability of insert pin 3. While headless screws enable the screw to be completely recessed within the fixation hole 16, thereby preventing the nut of the screw from being exposed outside the fixation hole 16.
Wherein, preferably, the locking member 4 is an M5 screw.
In any of the above embodiments, preferably, the inner wall of the mounting hole 12 is provided with a fixing structure, and the support 2 can be mounted in the mounting hole 12 through the fixing structure.
In these embodiments, a fixing structure may be provided on the other side of the mounting hole 12 where the operation window 14 is not provided, for example, on the inner side, so that the support member 2 can be mounted in the slider 1 through the fixing structure, thereby enabling the support member 2 to be used for supporting the insert 3. Specifically, the fixing structure may be a fixing groove or a snap, which is not listed here.
In any of the above embodiments, preferably, as shown in fig. 2 and 3, the fixing structure is a fixing groove, and the support member 2 includes: the supporting block 22, the supporting block 22 is provided with a through hole 222; and one end of the connecting piece 24 is fixed in the through hole 222, and the other end of the connecting piece 24 passes through the through hole 222 and is fixed in the fixing groove.
In these embodiments, fixing grooves may be formed on the other inner wall of the mounting hole 12, for example, the inner wall thereof, on which the operation window 14 is not formed, and then the supporting member 2 is configured by the supporting block 22 and the connecting member 24, so that the supporting mounting of the insert pin 3 is performed by the supporting block 22, and the mounting between the supporting block 22 and the slider 1 is performed by the connecting member 24.
Preferably, as shown in fig. 2 and 3, a thread is provided on a sidewall of the fixing groove, and the connecting member 24 is a screw or a bolt, or the connecting member 24 is a headless screw. The support block 22 is thus mounted in the slide 1 by means of screws or bolts. The connecting member 24 is preferably a screw or a bolt, because the screw or the bolt is a standard member, which is relatively common and easily purchased, and therefore, the cost is low, and in addition, the locking manner of the screw or the bolt is relatively reliable and is also easy to disassemble and assemble, thereby improving the installation stability of the supporting block 22. While headless screws allow the screws to be completely recessed within the through-holes 222, thereby preventing the caps of the screws from being exposed outside the through-holes 222.
Wherein, preferably, the connecting piece 24 is an M5 screw.
The supporting block 22 and the connecting piece 24 may be configured as an integral structure, which is equivalent to directly processing a connecting piece 24 on the supporting block 22, for example, the supporting block 22 and the connecting piece 24 may be configured as a cylindrical structure with threads at the front end, so that the cylindrical structure may be inserted into the fixing groove, and then the insert pin 3 may be supported. Of course, the support block 22 and the connector 24 may be provided in a single structure, such as a block and screw structure.
In any of the above embodiments, preferably, the operation window 14 is an elongated hole distributed along the axial direction of the mounting hole 12; and/or the length of the operation window 14 in the axial direction of the mounting hole 12 is 15mm or more, and the width of the operation window 14 in the radial direction of the mounting hole 12 is 10mm or more.
In these embodiments, it is preferable to provide the operation window 14 as a long-strip-shaped hole, such as a rectangular hole or a kidney-shaped hole, distributed along the axial direction of the mounting hole 12, so that the operation space of the operation window 14 in the axial direction of the mounting hole 12 can be made large to improve the convenience of replacement of the insert pin 3. The length of the operation window 14 in the axial direction of the mounting hole 12 is greater than or equal to 15mm, and the width of the operation window 14 in the radial direction of the mounting hole 12 is greater than or equal to 10mm, so that the length and the width of the operation window 14 are moderate, the insert pin 3 can be conveniently pushed out of the mounting hole 12 by a tool, and the operation window 14 can be prevented from being too large.
Preferably, the length of the operation window 14 is set according to the specific core pulling stroke of the insert pin 3, so that the front end of the insert pin 3 can extend out of the mounting hole by 4mm to 5mm after moving over the length of the operation window 14. Meanwhile, the width of the operation window 14 can be set according to the size of the tool, so that the tool can conveniently extend into the operation window 14.
Wherein the slide block 1 is an inclined slide block.
The slider assembly is preferably used for forming an injection mold of the air conditioner chassis, and of course, the slider assembly can also be used for forming other injection molds of products with holes, and is not limited to the injection mold for forming the air conditioner chassis.
According to the slider assembly provided by the embodiment of the first aspect of the present invention, when the slider assembly is used specifically, a 3.5mm mounting hole 12 is formed in the slider 1, the mounted insert 3 is inserted into the mounting hole of the slider 1 from the front side, is limited by the supporting block 22 after extending into the mounting hole of the slider 1 by a depth of 50mm, and then can be fastened by two headless screws from the side, wherein one of the headless screws presses the insert 3 from the side of the slider 1 to prevent the insert from moving up and down, and the other fastens the supporting block 22 and the slider 1 together to prevent the insert from continuing to slide down along the mounting hole 12, and when the insert 3 is broken, a worker can detach the supporting block 22 from the side, extend the supporting block into the operation window 14 by using a common elongated tool (such as a screwdriver), then knock the insert 3 out of the mounting hole 12 from the bottom of the insert 3 upwards, and then replace the spare insert 3. The mode of replacing the insert pin 3 can avoid disassembling the whole slide block 1 out of the slide block seat 5 and the whole slide block system out of the fixed mould part, thereby greatly reducing the operation intensity of workers, improving the maintenance efficiency of the mould, and greatly reducing the processing and maintenance time of the mould in the aspect of cost.
It is described here that, when the insert pin 3 is replaced by the above-described scheme, the slide block 1 needs to be pushed forward by the slide block holder 5 so that the insert pin 3 can be replaced only after the slide block 1 is reset to the mold closing state, and after the insert pin 3 is replaced quickly, the slide block 1 can be pulled back by the slide block holder 5 to the mold fully opening state, and then the fixed mold and the movable mold can be closed.
As shown in fig. 4 and 5, an embodiment of the second aspect of the present invention provides an injection mold, including the slider assembly provided in any one of the embodiments of the first aspect and a slider holder 5, where the slider holder 5 is installed on one side of the slider assembly.
The injection mold according to the embodiment of the present invention has the slider assembly according to any one of the embodiments of the first aspect of the present invention, and therefore the injection mold has all the beneficial effects of the slider assembly according to any one of the embodiments described above, and details are not repeated herein.
Preferably, the injection mold further comprises a driving structure, and the driving structure is used for driving the sliding block assembly to slide.
Wherein, preferably, the injection mold is an injection mold for molding the air conditioner chassis. Of course, the injection mold can also be used for molding other products with holes, and is not limited to the injection mold for molding the air conditioner chassis.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood broadly, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, the description of "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a sliding block set spare for injection mold, injection mold includes the take-up housing, its characterized in that, sliding block set spare includes:
the sliding block is provided with a mounting hole, the inner wall of the mounting hole is provided with an operation window, and the sliding block seat is used for being supported and mounted on one side of the sliding block;
the supporting piece is arranged in the mounting hole corresponding to the operation window;
the insert pin is detachably arranged in the mounting hole, is positioned on one side of the support piece far away from the slider seat and is in contact with the support piece;
the operation window is kept away from one side of slider seat be provided with the fixed orifices on the inner wall of mounting hole, slider component still includes:
and one end of the locking piece is detachably arranged in the fixing hole and extends to the insert pin so as to press the insert pin.
2. The slider assembly of claim 1,
the supporting piece is detachably mounted in the mounting hole corresponding to the operation window, and/or the supporting piece is mounted in the mounting hole and is positioned at one end, close to the sliding block seat, of the operation window.
3. The slider assembly of claim 1,
be provided with the internal thread on the inner wall of fixed orifices, be provided with the external screw thread on the retaining member, the retaining member passes through the internal thread with the cooperation of external screw thread is installed extremely the fixed orifices.
4. The slider assembly of claim 3,
the locking piece is a screw, or the locking piece is a headless screw.
5. The slider assembly of any of claims 1 to 4,
the inner wall of the mounting hole is provided with a fixing structure, and the supporting piece can be mounted in the mounting hole through the fixing structure.
6. The slider assembly of claim 5 wherein the securing structure is a securing slot and the support comprises:
the supporting block is provided with a through hole;
and one end of the connecting piece is fixed in the through hole, and the other end of the connecting piece penetrates through the through hole and is fixed in the fixing groove.
7. The slider assembly of claim 6 wherein the side walls of the fixing slots are provided with threads and the attachment members are screws or bolts or the attachment members are headless screws.
8. The slider assembly of any of claims 1 to 4,
the operation window is a strip-shaped hole distributed along the axial direction of the mounting hole; and/or
The length of the operation window in the axial direction of the mounting hole is larger than or equal to 15mm, and the width of the operation window in the radial direction of the mounting hole is larger than or equal to 10mm.
9. An injection mold, comprising:
a slider assembly as claimed in any one of claims 1 to 8;
and the sliding block seat is arranged on one side of the sliding block component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185202.6A CN108202452B (en) | 2018-03-07 | 2018-03-07 | Sliding block assembly and injection mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810185202.6A CN108202452B (en) | 2018-03-07 | 2018-03-07 | Sliding block assembly and injection mold |
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| CN108202452A CN108202452A (en) | 2018-06-26 |
| CN108202452B true CN108202452B (en) | 2023-02-28 |
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| CN109177060A (en) * | 2018-09-30 | 2019-01-11 | 昆山嘉华汽车电子科技有限公司 | A kind of injection mold and its injection moulding process |
| CN109570923A (en) * | 2018-11-30 | 2019-04-05 | 雄邦压铸（南通）有限公司 | A kind of processing technology of automobile engine exhaust system heat shield mounting hole |
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| CN108202452A (en) | 2018-06-26 |
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