CN214266493U

CN214266493U - Injection mold for carrier tape disc

Info

Publication number: CN214266493U
Application number: CN202120093585.1U
Authority: CN
Inventors: 钱春锋
Original assignee: Wuxi Changfeng Automation Technology Co ltd
Current assignee: Wuxi Changfeng Automation Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-24
Anticipated expiration: 2031-01-13

Abstract

The application relates to an injection mold for a carrier tape tray, which comprises a movable mold and a fixed mold, wherein a right core is preset on the movable mold, a left core is preset on the fixed mold, and a cavity for shaping a melt is formed between the right core and the left core; a flow guide pipe is arranged in the movable die in a penetrating manner, one end of the flow guide pipe close to the fixed die is connected with a discharge nozzle, and the discharge nozzle is communicated with the die cavity; an ejector rod penetrates through the flow guide pipe, the ejector rod is connected with the flow guide pipe in a sliding mode, and the ejector rod can be plugged with a discharge port of the discharge nozzle. This application has the lower effect of production efficiency who improves carrier band dish.

Description

Injection mold for carrier tape disc

Technical Field

The application relates to the technical field of injection molds, in particular to an injection mold for a carrier tape tray.

Background

The carrier tape dish mainly is applicable to the packing, bears and transports of the subsides dress technique of film, electronic components, semiconductor paster, electric capacity, resistance class electronic component, twines the film on the carrier tape dish, makes things convenient for the transportation and the use of film.

In the related art, the carrier tape discs are formed by injecting a certain amount of molten plastic into a cavity of an injection mold through a feed port of the injection mold and then cooling the molten plastic.

In view of the above-mentioned related art, the inventor believes that after a certain amount of plastic in a molten state is injected into a cavity, the plastic in the molten state may leave a raised gate at a feed port during a cooling process, and when the raised gate occurs, a worker is required to cut off the raised gate, which undoubtedly adds a process step, resulting in low production efficiency of the carrier tape reel.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of production efficiency of carrier band dish, this application provides a carrier band dish is with device of moulding plastics.

The application provides a hand-held type spray set adopts following technical scheme:

a handheld spray device comprises a movable die with a right core and a fixed die with a left core, wherein a cavity for shaping a melt is formed between the right core and the left core; a flow guide pipe penetrates through the movable die, one end of the flow guide pipe close to the fixed die is connected with a discharge nozzle, and the discharge nozzle is communicated with the die cavity; an ejector rod penetrates through the flow guide pipe, the ejector rod is connected with the flow guide pipe in a sliding mode, and the ejector rod can be plugged with a discharge port of the discharge nozzle.

Through adopting above-mentioned technical scheme, the fuse-element is leading-in from the honeycomb duct, flows in the die cavity that forms between right core and the left core from the ejection of compact mouth, and until the fuse-element is full of the die cavity, the ejector pin is plugged up the one end that the ejection of compact mouth is close to the cover half along the direction removal that is close to the cover half, reduces the one end that the ejection of compact mouth is close to the cover half and leaves the possibility of bellied runner to do not need the workman to cut away this bellied runner, thereby help improving the production efficiency of carrier tape dish.

Optionally, the honeycomb duct is provided with a plurality of.

Through adopting above-mentioned technical scheme, set up a plurality of honeycomb duct, the one end that each honeycomb duct is close to the cover half all connects the ejection of compact mouth, and the ejector pin is all worn to be equipped with by each honeycomb duct, and the homoenergetic leads to the fuse-element faster under the condition of the same velocity of flow in each honeycomb duct.

Optionally, one end of the movable mold, which is far away from the right mold core, is provided with a drainage block, a drainage cavity is preset in the drainage block, and the drainage block is provided with a feed hole which is communicated with the drainage cavity; each flow guide pipe is connected with the drainage block and is communicated with the drainage cavity; each ejector rod is arranged in the drainage block in a penetrating mode and is connected with the drainage block in a sliding mode.

Through adopting above-mentioned technical scheme, let in the fuse-element from the feed port, the fuse-element can let in each honeycomb duct through the drainage chamber in, no longer need respectively leading-in fuse-element in the drainage tube, improved the leading-in convenience of fuse-element.

Optionally, one end of each ejector rod, which is far away from the discharge nozzle, is connected with a cylinder, and each ejector rod is connected with a piston rod of the cylinder.

Through adopting above-mentioned technical scheme, the cylinder is all connected to the first section that ejection of compact mouth was kept away from to each ejector pin, and each ejector pin is connected with the piston rod of cylinder, and each piston rod homoenergetic promotes the ejector pin that corresponds to the ejector pin of being convenient for removes and plugs up ejection of compact mouth in the honeycomb duct.

Optionally, the outer wall of each flow guide pipe is connected with a heating coil.

Through adopting above-mentioned technical scheme, through the setting of heating coil, be convenient for heat the honeycomb duct to be convenient for reduce the fuse-element and solidify the possibility at the flow in-process.

Optionally, one end of the movable mold, which is far away from the right mold core, is connected with a fixed block, and one end of the fixed block, which is far away from the movable mold, is provided with a groove matched with the drainage block; the drainage block is arranged in the groove and is in threaded connection with the fixed block; each honeycomb duct all wears to locate the fixed block.

Through adopting above-mentioned technical scheme, set up open have with the recess of drainage piece adaptation to place the drainage piece in the recess, drainage piece and fixed block threaded connection, thereby play the fixed limiting displacement to the drainage piece, make things convenient for the dismantlement of drainage piece to change again.

Optionally, one end of the diversion block, which is far away from the movable die, is connected with a feed pipe; one end of the feeding pipe, which is far away from the movable die, is connected with a feeding nozzle; the feeding nozzle is trumpet-shaped and the small one end of bore is connected with the inlet pipe.

Through adopting above-mentioned technical scheme, keep away from the one end of movable mould at the inlet pipe and connect the feed nozzle, the feed nozzle is loudspeaker form and the one end that the bore is little is connected with the inlet pipe, and the inner wall of loudspeaker is the inclined plane, makes things convenient for the feed nozzle to be connected with the device of leading-in fuse-element.

Optionally, a plurality of first cooling holes are formed in the side wall of the fixed die.

Through adopting above-mentioned technical scheme, seted up a plurality of first cooling holes on the lateral wall of cover half, thereby first cooling hole is convenient for cool water leading-in cools off the fuse-element.

Optionally, a plurality of first demolding holes are formed in the fixed mold, each first demolding hole is penetrated with a demolding rod, and each demolding rod is connected with the corresponding first demolding hole in a sliding mode.

Through adopting above-mentioned technical scheme, set up the stripper bar, treat the fuse-element cooling shaping after, be convenient for make the fuse-element after the shaping drop from the cover half through promoting the stripper bar.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the melt is guided in from the guide pipe and flows into the cavity formed between the right core and the left core from the discharging nozzle until the cavity is full of the melt, the ejector rod moves in the direction close to the fixed die to plug one end, close to the fixed die, of the discharging nozzle, and a raised pouring gate is reserved at one end, close to the fixed die, of the discharging nozzle, so that a worker does not need to cut off the raised pouring gate, and the production efficiency of the carrier tape disc is improved;

2. the first section of each ejector rod, which is far away from the discharging nozzle, is connected with the cylinder, each ejector rod is connected with a piston rod of the cylinder, and each piston rod can push the corresponding ejector rod, so that the ejector rods can move in the flow guide pipe conveniently and block the discharging nozzle;

3. through the arrangement of the demoulding rod, after the melt is cooled and formed, the formed melt can fall off from the fixed die conveniently by pushing the demoulding rod.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an upper die of an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a lower die of an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram showing a connection relationship between an air cylinder and a mounting block in an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram showing a connection relationship between a flow guide block and a fixing block in an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 6 is a schematic view of a structure of a flow guide block in an injection mold for a carrier tape tray according to an embodiment of the present disclosure.

Fig. 7 is a sectional view of a sprue bar in an injection mold for a carrier tape tray according to an embodiment of the present disclosure.

Fig. 8 is an exploded view schematically illustrating a connection relationship between a flow guide pipe and a movable mold in an injection mold for a carrier tape tray according to an embodiment of the present invention.

Fig. 9 is an exploded view schematically showing a structure between a fixed mold and a baffle in an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 10 is a sectional view showing a stationary mold and a cooling plate in an injection mold for a carrier tape tray according to an embodiment of the present application.

Fig. 11 is an enlarged view at a in fig. 3.

Description of reference numerals: 1. an upper die; 2. a lower die; 3. moving the mold; 4. a fixed block; 5. mounting blocks; 6. a right core; 7. fixing a mold; 8. a cooling plate; 9. a left core; 10. a first through hole; 11. a feed nozzle; 12. a feed pipe; 13. a cylinder bore; 14. a cylinder; 15. a groove; 16. a drainage block; 17. a bolt; 18. a feed port; 19. a limiting hole; 20. a top rod; 21. a plug; 22. a connecting rod; 23. a sealing block; 24. a drainage lumen; 25. a flow guide pipe; 26. a discharging nozzle; 27. mounting holes; 28. a heating coil; 29. a first cooling hole; 30. a second cooling hole; 31. a first stripping hole; 32. a stripper bar; 33. a second stripping hole; 34. a limiting block; 35. a guide block; 36. a first sliding plate; 37. a second sliding plate; 38. a first sliding groove; 39. a second sliding groove; 40. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses injection mold for carrier tape dish.

Referring to fig. 1, an injection mold for a carrier tape tray includes an upper mold 1 and a lower mold 2; the upper die 1 comprises a movable die 3, a fixed block 4 and an installation block 5 which are arranged in sequence; the lower die 2 comprises a fixed die 7 and a cooling plate 8 which are arranged in sequence.

Referring to fig. 2 and 3, a right core 6 is arranged at one end, far away from the fixed block 4, of the movable mold 3 in advance, a left core 9 is arranged at one end, far away from the cooling plate 8, of the fixed mold 7 in advance, and after the movable mold 3 and the fixed mold 7 are attached to each other, a cavity is formed between the right core 6 and the left core 9.

Referring to fig. 4, a first through hole 10 is provided at the central position of the end of the mounting block 5 far away from the fixing block 4, the first through hole 10 penetrates through the mounting block 5, a feeding nozzle 11 is provided at the end of the first through hole 10 far away from the fixing block 4, and in combination with fig. 5, the feeding nozzle 11 is fixedly connected with a feeding pipe 12, and the feeding pipe 12 penetrates through the first through hole 10 and penetrates out from the end of the first through hole 10 close to the fixing block 4. Melt is injected from the feed nozzle 11 and flows into the feed tube 12 and then into the mold cavity.

Referring to fig. 4, the mounting block 5 is provided with three cylinder holes 13, each cylinder hole 13 penetrates through the mounting block 5, and the circle centers of the three cylinder holes 13 are connected to form an equilateral triangle. One cylinder 14 is fixedly connected in each cylinder hole 13.

Referring to fig. 5, a groove 15 is formed in one end, away from the moving die 3, of the fixed block 4, a Y-shaped drainage block 16 is arranged in the groove 15, and the drainage block 16 is in threaded connection with the fixed block 4 through a plurality of bolts 17. Referring to fig. 6, a feed hole 18 is formed at one end of the flow guide block 16 away from the moving die 3, and one end of the feed pipe 12 penetrating through the first through hole 10 penetrates through the feed hole 18.

Referring to fig. 6, three limiting holes 19 are formed in the drainage block 16, and the three limiting holes 19 are formed in three corners of the drainage block 16. Specifically, referring to fig. 7, the limiting holes 19 correspond to the air cylinders 14 one to one, a piston rod of each air cylinder 14 is fixedly connected with a top rod 20, the top rod 20 includes a plug 21 and a connecting rod 22, one end of the connecting rod 22 is fixedly connected with the piston rod of the corresponding air cylinder 14, the other end of the connecting rod is fixedly connected with the corresponding plug 21, and each plug 21 is conical. One end of each limiting hole 19 close to the corresponding air cylinder 14 is fixedly connected with a sealing block 23. Each connecting rod 22 is inserted into the corresponding sealing block 23 and extends out of the limiting hole 19, and the diameter of each connecting rod 22 is smaller than that of the limiting hole 19. Each connecting rod 22 is movable in the telescopic direction of the piston rod within a sealing block 23.

Referring to fig. 7, a drainage cavity 24 is preset in the drainage block 16, and the drainage cavity 24 is Y-shaped. The drainage cavity 24 is composed of three strip-shaped cavities, one ends of the three strip-shaped cavities are communicated with each other to form a gathering point, and the three strip-shaped cavities correspond to the three limiting holes 19 one to one. The feed hole 18 is communicated with the convergence point of the three strip-shaped cavities of the drainage cavity 24, and each limiting hole 19 is communicated with one end, far away from the convergence point, of the strip-shaped cavity of the corresponding drainage cavity 24.

Referring to fig. 8, three flow guide pipes 25 are fixedly connected to one end of the flow guide block 16 away from the cylinder 14, and specifically, in combination with fig. 7, the flow guide pipes 25 correspond to the limiting holes 19 one to one. One end of the draft tube 25 far away from the corresponding limit hole 19 is fixedly connected with a discharge nozzle 26. The outer diameter of the draft tube 25 is larger than the diameter of the stopper hole 19. The part of each connecting rod 22 extending out of the limiting hole 19 extends into the corresponding guide pipe 25, and the plug 21 corresponding to each connecting rod 22 is positioned in the guide pipe 25. When the piston rod of each cylinder 14 moves towards the direction close to the diversion block 16, the connecting pipe is driven to move towards the direction close to the discharging nozzle 26, one end of each plug 21, which is far away from the corresponding connecting rod 22, can move to the discharging port of the corresponding discharging nozzle 26 to be flushed, and the diameter of one end of each plug 21, which is far away from the corresponding connecting rod 22, is the same as the diameter of the discharging port of the corresponding discharging nozzle 26. After the mold cavity is filled with the melt, the cylinder 14 can drive each plug 21 to move until the tip of each plug 21 is flush with the discharge hole of the corresponding discharge nozzle 26, so that the possibility that the discharge nozzle 26 has a raised gate during the cooling process is reduced.

Referring to fig. 8, three mounting holes 27 are formed in one end of the movable mold 3 close to the diversion block 16, the mounting holes 27 correspond to the discharging nozzles 26 one to one, each discharging nozzle 26 is located in the corresponding mounting hole 27, one end of each discharging nozzle 26, which is far away from the corresponding diversion pipe 25, is flush with the mounting hole 27, and one end of each diversion pipe 25, which is provided with the discharging nozzle 26, extends into the corresponding mounting hole 27. Referring to fig. 2, each mounting hole 27 communicates with the right core 6.

Referring to fig. 5 and 7, melt is introduced from the feed nozzle 11 and flows through the feed tube 12 into the drainage chamber 24; the melt flowing into the drainage cavity 24 is divided and then flows through the three flow guide pipes 25 and flows into the cavity from the corresponding discharge nozzles 26.

Referring to fig. 8, a heating coil 28 is connected to the outside of each flow guide tube 25, and each heating coil 28 is spirally wound around the flow guide tube 25. By providing the heating coil 28, the possibility of the melt solidifying during the flowing process is reduced,

in order to increase the cooling rate of the melt in the cavity, referring to fig. 9, a plurality of first cooling holes 29 are formed in two opposite side walls of the fixed mold 7. Both sides wall that the cooling plate 8 is close to first cooling hole 29 has all seted up a plurality of second cooling holes 30, first cooling hole 29 and second cooling hole 30 one-to-one, and is concrete, combine figure 10, the one end that first cooling hole 29 deepened fixed mould 7 and the one end that the cooling plate 8 was deepened to corresponding second cooling hole 30 all extend to the direction that is close to each other to make first cooling hole 29 and second cooling hole 30 communicate, the cooling water is leading-in and is derived from corresponding second cooling hole 30 from first cooling hole 29, thereby cools off the fuse-element.

In order to facilitate demolding of the molded melt, referring to fig. 11, six first demolding holes 31 are formed in the fixed mold 7, the first demolding holes 31 are uniformly arranged in a ring shape, and each first demolding hole 31 is communicated with the left mold core 9. Each first demolding hole 31 is penetrated with a demolding rod 32, each demolding rod 32 can slide along the length direction of the corresponding first demolding hole 31, and one end of each demolding rod 32 close to the left core 9 is flush with the corresponding first demolding hole 31.

Referring to fig. 9, the cooling plate 8 is provided with second demolding holes 33 corresponding to the first demolding holes 31 one by one, each demolding rod 32 penetrates through the corresponding second demolding hole 33, and each demolding rod 32 can slide along the length direction of the corresponding second demolding hole 33.

One end of the cooling plate 8, which is far away from the fixed die 7, is fixedly connected with two limit blocks 34 and two guide blocks 35, and the two guide blocks 35 are arranged between the two limit blocks 34. A first sliding plate 36 and a second sliding plate 37 are sequentially arranged between the two limit blocks 34 and along the direction far away from the cooling plate 8, and each demolding rod 32 penetrates through the first sliding plate 36 and is fixedly connected with the second sliding plate 37. Two first sliding grooves 38 are formed in the first sliding plate 36, two second sliding grooves 39 are formed in the second sliding plate 37, the first sliding grooves 38 correspond to the second sliding grooves 39 one by one, the first sliding grooves 38 correspond to the guide blocks 35 one by one, and each guide block 35 penetrates through the corresponding first sliding grooves 38 and the second sliding grooves 39. The end of the second sliding plate 37 away from the cooling plate 8 is provided with a baffle 40, and the baffle 40 is fixedly connected with the two limit blocks 34 and the two guide blocks 35.

When the mold release is required, the second sliding plate 37 is pushed toward the cooling plate 8, so that each mold release rod 32 protrudes from the corresponding first mold release hole 31, and the molded melt is ejected.

The implementation principle of the injection mold for the carrier tape tray is as follows: the melt is introduced from the feed nozzle 11 and flows into the drainage cavity 24 through the feed pipe 12; the melt flowing into the drainage chamber 24 is divided to flow through three flow ducts 25 and flows into the mould cavity from the corresponding discharge nozzle 26. After the cavity is filled with the melt, the piston rod of each cylinder 14 moves to drive the connecting rod 22 to move towards the direction close to the movable mold 3, so that the corresponding plug 21 extends into the corresponding discharge nozzle 26, and the redundant melt in the corresponding discharge nozzle 26 is extruded into the gap between the corresponding flow guide pipe 25 and the connecting rod 22.

When it is desired to increase the rate of cooling of the melt in the mold cavity, cooling water is introduced from the first cooling holes 29 and is directed out of the corresponding second cooling holes 30.

When the mold release is required, the second slide plate 37 is pushed in the direction close to the cooling plate 8, so that each mold release rod 32 protrudes from the corresponding first mold release hole 31, and the molded melt is ejected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An injection mold for a carrier tape tray comprises a movable mold (3) with a right core (6) and a fixed mold (7) with a left core (9), wherein a cavity for shaping a melt is formed between the right core (6) and the left core (9); the method is characterized in that: a guide pipe (25) penetrates through the movable die (3), one end, close to the fixed die (7), of the guide pipe (25) is connected with a discharge nozzle (26), and the discharge nozzle (26) is communicated with the cavity; and a push rod (20) penetrates through the guide pipe (25), the push rod (20) is in sliding connection with the guide pipe (25), and the push rod (20) can plug a discharge hole of the discharge nozzle (26).

2. The injection mold for a carrier tape tray as set forth in claim 1, wherein: the honeycomb duct (25) is provided with a plurality of.

3. The injection mold for a carrier tape tray as set forth in claim 2, wherein: one end of the movable die (3) far away from the right core (6) is provided with a drainage block (16) with a drainage cavity (24) preset inside, the drainage block (16) is provided with a feed hole (18), and the feed hole (18) is communicated with the drainage cavity (24); each draft tube (25) is connected with the diversion block (16), and each draft tube (25) is communicated with the diversion cavity (24); each ejector rod (20) penetrates through the flow guide block (16) and is connected with the flow guide block (16) in a sliding mode.

4. The injection mold for a carrier tape tray as set forth in claim 3, wherein: one end, far away from the discharging nozzle (26), of each ejector rod (20) is connected with an air cylinder (14), and each ejector rod (20) is connected with a piston rod of the air cylinder (14).

5. The injection mold for a carrier tape tray as set forth in claim 2, wherein: and the outer wall of each draft tube (25) is connected with a heating coil (28).

6. The injection mold for a carrier tape tray as set forth in claim 2, wherein: one end of the movable mold (3) far away from the right mold core (6) is connected with a fixed block (4), and one end of the fixed block (4) far away from the movable mold (3) is provided with a groove (15) matched with the drainage block (16); the flow guide block (16) is arranged in the groove (15) and is in threaded connection with the fixed block (4); each guide pipe (25) penetrates through the fixed block (4).

7. The injection mold for a carrier tape tray as set forth in claim 3, wherein: one end of the diversion block (16) far away from the movable mould (3) is connected with a feed pipe (12); one end of the feeding pipe (12) far away from the movable die (3) is connected with a feeding nozzle (11); the feeding nozzle (11) is trumpet-shaped and the end with a small caliber is connected with the feeding pipe (12).

8. The injection mold for a carrier tape tray as set forth in claim 1, wherein: a plurality of first cooling holes (29) are formed in the side wall of the fixed die (7).

9. The injection mold for a carrier tape tray as set forth in claim 1, wherein: a plurality of first demoulding holes (31) are formed in the fixed die (7), each first demoulding hole (31) is penetrated with a demoulding rod (32), and each demoulding rod (32) is in sliding connection with the corresponding first demoulding hole (31).