CN111873293B

CN111873293B - Switchable compression molding die and component thereof

Info

Publication number: CN111873293B
Application number: CN202010768942.XA
Authority: CN
Inventors: 赵淑英; 庄静梅
Original assignee: Shenzhen Jiangnan Weiye Mould Plastic Co ltd
Current assignee: Shenzhen Jiangnan Weiye Mould Plastic Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2022-11-01
Anticipated expiration: 2040-08-03
Also published as: CN111873293A

Abstract

The invention discloses a switchable compression molding die and a part thereof, which comprise a charging bottom die, a combined connecting frame, a shaping pressing die, a cutting device and a transmission device, wherein the top end of the charging bottom die is fixedly connected with the combined connecting frame, the transmission device is embedded in the middle of the combined connecting frame and is fixedly connected with two sides of the shaping pressing die, a lower die box is embedded in the middle of the front surface of the charging bottom die, the lower die box is embedded in a feeding groove, and connecting grooves are fixedly formed in four sides of the top end of the charging bottom die.

Description

Switchable press forming die and component thereof

Technical Field

The invention relates to a press-forming die, in particular to a switchable press-forming die and a component thereof, belonging to the field of die equipment.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, with different molds being made up of different parts. The processing of the shape of an article is realized mainly by changing the physical state of a formed material, and the types of the die are various.

At present, the conventional press forming type mold is an operation of putting powder, granular or fiber plastic into a mold cavity of the mold at a forming temperature, and then closing the mold and pressurizing to form and solidify the plastic, most of the molds adopt a mode of co-extruding an upper mold box and a lower mold box to obtain a desired workpiece according to the shape of the mold, but the mode is too single, only one type of mold can be processed, and waste materials can be processed; when the tapping is taken out, the problem that the formed workpiece is difficult to take out due to high pressure is sometimes caused, and unnecessary troubles are caused to the whole working process; the cutting tool needs to be changed according to the diversity of finished products in the cutting process, so that the cost is wasted, the optimal cutting time can be missed, the condition that the tool is adhered to cutting waste materials is not easy to avoid, and the working process is influenced very much.

Disclosure of Invention

The present invention provides a switchable press-forming mold and its components, so as to solve the problems of the prior art that the mold is single in operation and wastes time and material during the operation and use process of the mold, and the finished workpiece is difficult to take out due to excessive pressure, which affects the production progress.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a changeable formula press forming's mould and part thereof, is including feeding die block, built-up connection frame, design embossing mold, cutting device and transmission, the top fixedly connected with built-up connection frame of feeding die block, built-up connection frame middle part is inlayed and is equipped with transmission, transmission and the both sides fixed connection of design embossing mold, the middle part fixed feed chute that has seted up on feeding die block top, the top cover of feed chute is equipped with the block and puts up, the positive middle part of feeding die block inlays and is equipped with down the die box, just the inside at the feed chute is inlayed to lower die box, one side fixedly connected with cutting device of feeding die block, the equal fixed spread groove of having seted up in four sides on feeding die block top, the positive middle part fixed mounting of die box has the handle down.

As a preferred technical scheme of the present invention, the combined connecting frame includes a connecting bottom frame and supporting frames, the supporting frames are fixedly mounted at four corners of the top of the connecting bottom frame, a fastening groove is fixedly formed in the middle of the top end of the connecting bottom frame, connecting legs are fixedly mounted at four corners of the bottom end of the connecting bottom frame, a sliding groove is fixedly formed in the middle of one side of the supporting frame, and gear rails are fixedly formed on two sides of the inner wall of the sliding groove.

As a preferred technical scheme of the invention, the middle part of the bottom end of the sizing pressing die is fixedly connected with an upper die box, and the corners of two sides of the sizing pressing die are fixedly provided with sliding rods.

As a preferable technical scheme, the transmission device comprises a connecting plate, clamping plates and rolling shafts, the clamping plates are fixedly mounted in the middle of two sides of the connecting plate, and the rolling shafts are fixedly connected between the two clamping plates.

As a preferred technical scheme of the invention, the middle part of the front surface of the cutting device is fixedly provided with a placing opening, and the middle part of the top end of the cutting device is fixedly provided with a cutting knife box.

As a preferable technical scheme of the invention, the middle part of the sliding rod is sleeved with a stopping bolt, one end of the sliding rod is fixedly provided with a thread head, a transmission device is sleeved between the stopping bolt and the thread head, and the thread head is in threaded connection with a fixed nut.

As a preferable technical scheme of the invention, the middle part of the front face of the connecting plate is fixedly provided with a connecting hole.

As a preferable technical scheme of the invention, a mounting hole is fixedly formed in the front end of the clamping plate, a rotating shaft is embedded in the mounting hole and comprises an outer shaft ring and an inner shaft ring, and a plurality of groups of balls are fixedly mounted between the outer shaft ring and the inner shaft ring.

As a preferred technical scheme of the invention, a plurality of groups of fixture blocks are fixedly arranged on the outer wall of the roller, a front nozzle pipe is fixedly arranged in the middle of one side of the roller, the front nozzle pipe is in alternate connection with a connecting pipe, and one end of the connecting pipe is in threaded connection with a clamping screw.

As a preferred technical scheme of the invention, the middle part of the top end of the cutting knife box is fixedly connected with a pressing plate, the middle part of the front surface of the cutting knife box is fixedly provided with a mould baffle groove, the middle part of the bottom end of the cutting knife box is tightly provided with a plurality of cutting needles, and four corners of the bottom end of the cutting knife box are fixedly provided with strong springs.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a switchable compression molding die and a component thereof, which are different from a single type pressing die in the traditional form, the die pressing form is divided into a form of combining an upper die box and a lower die box, a connecting frame is arranged between the two die boxes, and the die boxes can be freely replaced; the upper die box is connected with a transmission device, so that the upper die box can be conveniently separated from the lower die box, and finished workpieces can be quickly taken out.

According to the switchable compression molding die and the parts thereof, the feeding groove is formed in the charging bottom die, and the clamping frame is arranged on the feeding groove, so that proper raw materials can be accurately measured and loaded, unnecessary material loss is avoided, and the production cost is greatly saved.

According to the die and the parts thereof, the cutting needle cutting method is adopted in the cutting device according to the design requirements, the shapes of cutting knives in different forms are formed according to the diversity of the die, the multifunctionality of the cutting device is realized, and a strong spring is arranged between the cutting knife and a cutting box to serve as a rebounding device, so that the separation of the cutting knife and the die is better realized, and the die is convenient to take out.

Drawings

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

FIG. 2 is a schematic view of the structure of the molding and pressing die and the transmission device of the present invention;

FIG. 3 is an enlarged view of a portion A of the present invention;

FIG. 4 is a schematic view of a roller according to the present invention;

FIG. 5 is a schematic structural view of a charging bottom mold according to the present invention;

FIG. 6 is a schematic structural view of the connecting frame assembly of the present invention;

FIG. 7 is a schematic diagram of a cutting device according to the present invention;

FIG. 8 is a schematic view of the box of the present invention.

In the figure: 1. charging a bottom die; 101. connecting grooves; 102. a feed chute; 103. a clamping frame; 2. a combined connecting frame; 3. shaping and pressing a die; 301. an upper mold box; 4. a transmission device; 401. mounting holes; 5. connecting the underframe; 501. a clamping groove; 6. a support frame; 601. a sliding groove; 602. a gear track; 7. a slide bar; 701. a blocking bolt; 702. a screw head; 8. a roller; 801. a clamping block; 802. a front nozzle tube; 9. a rotating shaft; 901. an outer race; 902. an inner shaft ring; 10. a lower mould box; 11. a handle; 12. connecting the supporting legs; 13. fixing a nut; 14. a ball bearing; 15. a connecting pipe; 16. clamping a screw; 17. a splint; 18. a connecting plate; 19. connecting holes; 20. a cutter box is cut; 21. a cutting device; 22. a placement port; 23. a pressing plate; 24. a mold baffle slot; 25. a strong spring; 26. and (5) cutting a needle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a switchable press forming mold and components thereof, including a charging bottom mold 1, a combined connecting frame 2, a shaping pressing mold 3, a cutting device 21 and a transmission device 4, wherein the top end of the charging bottom mold 1 is fixedly connected with the combined connecting frame 2, the transmission device 4 is embedded in the middle of the combined connecting frame 2, the transmission device 4 is fixedly connected with two sides of the shaping pressing mold 3, four sets of transmission devices 4 are fixedly installed on two sides of the shaping pressing mold 3, the middle part of the top end of the charging bottom mold 1 is fixedly provided with a feeding chute 102, one side of the feeding chute 102 is provided with an opening, the top end of the feeding chute 102 is sleeved with a clamping frame 103, the clamping frame 103 is sleeved on the edge of the top end of the feeding chute 102 and does not cover the feeding chute 102, the middle part of the front surface of the charging bottom mold 1 is embedded with a lower mold box 10, the lower mold box 10 is embedded in the feeding chute 102, one side of the charging bottom mold 1 is fixedly connected with the cutting device 21, the top of the lower mold box 10 is not shielded, the lower mold box 10 is embedded in the right in the feeding chute 102, the middle part of the four sides of the bottom mold 1 is fixedly provided with a connecting chute 11.

Preferably, built-up connection frame 2 is including connecting chassis 5 and support frame 6, the equal fixed mounting in four corners at connection chassis 5 top has support frame 6, the middle part of connecting chassis 5 top is fixed and has been seted up block groove 501, the equal fixed mounting in four corners of connecting chassis 5 bottom has connection landing leg 12, the fixed sliding tray 601 of having seted up in middle part of support frame 6 one side, the embedded transmission 4 that is equipped with of sliding tray 601, gear track 602 has been seted up to the both sides of sliding tray 601 inner wall is fixed, the embedded roller bearing 8 that is equipped with transmission 4 of gear track 602.

Preferably, the middle part of the bottom end of the shaping pressing die 3 is fixedly connected with an upper die box 301, the upper die box 301 can be freely detached and replaced, the corners of the two sides of the shaping pressing die 3 are fixedly provided with sliding rods 7, and the two sides of the shaping pressing die 3 are fixedly provided with four groups of sliding rods 7.

Preferably, the transmission device 4 comprises a connecting plate 18, two clamping plates 17 and a roller 8, wherein the clamping plates 17 are fixedly arranged in the middle parts of two sides of the connecting plate 18, two groups of clamping plates 17 are fixedly arranged in the middle parts of two sides of the connecting plate 18, a certain distance is reserved between the two clamping plates 17, and the roller 8 is fixedly connected between the two clamping plates 17.

Preferably, the front middle part of the cutting device 21 is fixedly provided with a placing opening 22, the placing opening 22 is internally provided with a setting pressing die 3, the middle part of the top end of the cutting device 21 is fixedly provided with a cutting knife box 20, the cutting knife box 20 can move to realize the cutting function, the cutting knife box 20 is used for cutting the setting pressing die 3 of the set die, and a workpiece with a preliminary shape in the setting pressing die 3 is cut.

Preferably, the middle of the sliding rod 7 is sleeved with a stopping bolt 701, the stopping bolt 701 is fixedly installed in the middle of the sliding rod 7, the stopping bolt 701 plays a role in fixing one side of the transmission device 4, one end of the sliding rod 7 is fixedly provided with a threaded head 702, the transmission device 4 is sleeved between the stopping bolt 701 and the threaded head 702, one side of the transmission device 4 is fixedly connected with one side of the stopping bolt 701, the threaded head 702 is in threaded connection with a fixing nut 13, the fixing nut 13 is slowly close to the other side of the transmission device 4 through the threaded head 702, and the transmission device 4 is fixedly fixed on the sliding rod 7 through the pushing fit of the stopping bolt 701 on the threaded head 702.

Preferably, a connecting hole 19 is fixedly formed in the middle of the front face of the connecting plate 18, the sliding rod 7 is inserted and connected into the connecting hole 19, and the connecting hole 19 is just sleeved on the outer wall of the sliding rod 7.

Preferably, the front end of splint 17 is fixed to be seted up mounting hole 401, splint 17 divide into two and all seted up mounting hole 401, the embedded axis of rotation 9 that is equipped with of mounting hole 401, the outer wall fixed connection of outer circle 901 of mounting hole 401 and axis of rotation 9, axis of rotation 9 includes outer circle 901 and interior circle 902, one side of outer circle 901 and one side fixed connection of interior circle 902, and formed a semi-enclosed space between outer circle 901 and the interior circle 902, fixed mounting has multiunit ball 14 between outer circle 901 and the interior circle 902, ball 14 is settled in the space that forms between outer circle 901 and the interior circle 902, and ball 14 mainly can make interior circle 902 more smooth rotation.

Preferably, a plurality of groups of fixture blocks 801 are fixedly mounted on the outer wall of the roller 8, the fixture blocks 801 are clamped and rolled on the gear track 602, and the sizing pressing die 3 can be fixed at a desired position by using the transmission device 4, the middle of the roller 8 is hollow, a front nozzle 802 is fixedly mounted in the middle of one side of the roller 8, the front nozzle 802 is sleeved on a hole in the middle of the roller 8, the front nozzle 802 is inserted and connected with the connecting pipe 15, a blocking block is arranged at one end of the connecting pipe 15, the size of the blocking block is enough to block the hollow hole in the roller 8, an embedded thread is arranged inside the other end of the connecting pipe 15, a clamping screw 16 is connected with one end of the connecting pipe 15 in a threaded manner, the clamping screw 16 is in threaded end threaded connection with the connecting pipe 15, the size of a nail head of the clamping screw 16 also needs to be capable of blocking the hole of the rotating shaft 9 on the clamping plate 17, the length of the connecting pipe 15 cannot be too long, and the length of the connecting pipe 15 just can be just capable of connecting the roller 8 between the clamping plates 17.

Preferably, the middle part fixedly connected with pressing plate 23 on tailer knife box 20 top, the positive middle part of tailer knife box 20 is fixed and has been seted up mould baffle groove 24, the mould model of processing of tailorring can be inlayed in mould baffle groove 24, the middle part of tailer knife box 20 bottom closely installs a plurality of tailors 26, form the blade combination when needing to cut according to the mould model of embedding, the equal fixed mounting in four corners of tailer knife box 20 bottom has powerful spring 25, powerful spring 25 can avoid the adhesion of waste material as the cooperation of resilient means and the inner wall of tailer knife box 20.

When in specific use, the invention relates to a switchable press forming die and a component thereof, and the combination of the components is as follows: fixing a charging bottom die 1, installing a connecting bottom frame 5 of a combined connecting frame 2 on the charging bottom die 1, clamping four groups of connecting legs 12 connected with four corners of the bottom of the connecting bottom frame 5 in connecting grooves 101 at four corners of the top end of the charging bottom die 1, and after the combined connecting frame 2 is fixedly connected with the charging bottom die 1, connecting a transmission device 4 with a shaping pressing die 3; the connecting holes 19 of the connecting plate 18 of the transmission device 4 are sleeved on the sliding rods 7 at two sides of the sizing and pressing die 3, after one side of the connecting plate 18 is tightly attached to the stopping bolts 701 on the sliding rods 7, the fixing nuts 13 are screwed on the threaded heads 702 at one ends of the sliding rods 7 until the fixing nuts 13 and the stopping bolts 701 can clamp and fix the connecting plate 18, the rolling shafts 8 are fixed in the clamping plates 17 at two ends of the connecting plate 18, the connecting pipe 15 penetrates through the connecting clamping plates 17 and the rolling shafts 8, the rolling shafts 8 are ensured to be connected between the clamping plates 17, the other ends of the connecting pipe 15 are fixed by the clamping screws 16, and the connecting pipe 15 and the clamping screws 16 can just fix and clamp two ends of the clamping plates 17. After the shaping pressing die 3 and the transmission device 4 are fixed, the combined shaping pressing die 3 and the transmission device 4 are embedded in the sliding groove 601 of the support frame 6 of the combined connecting frame 2, and the fixture blocks 801 on the rolling shafts 8 can clamp and fix the transmission device 4 on the gear track 602 of the support frame 6, so that the whole device is combined and fixed.

The use of the die comprises the following steps: selecting an upper die box 301 and a lower die box 10 which are matched with each other and need to be processed, embedding the upper die box 301 in the middle of the bottom end of a shaping and pressing die 3, embedding the lower die box 10 in a feeding groove 102 in a feeding bottom die 1, adding a proper amount of raw materials into the feeding groove 102, after the raw materials are added, utilizing a transmission device 4 to move downwards to align and connect the upper die box 301 with the lower die box 10, pressurizing and carrying out extrusion forming on the raw materials, after the extrusion is completed, taking out the lower die box 10, putting the lower die box 10 into a cutting device 21 through a placing opening 22, and trimming redundant leftover materials through a cutter box 20. Wherein, the upper die box 301, the lower die box 10 and the cutter box 20 can be replaced according to the style of the required workpiece; the template that needs the cutting die of embedding in the cutter box 20 presses the cutting needle 26 and can form the cutting tool who corresponds according to the mould template of embedding when cutting, and the cutting is accomplished the back, and powerful spring 25 kick-backs, and the waste material of adhesion is scraped with cutter box 20 inner wall combined action to cutting needle 26 resets.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.

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

1. A cutting device of a switchable pressing forming die is characterized in that an upper die box (301) and a lower die box (10) which are matched and need to be processed are selected when the die is used, the upper die box (301) is embedded in the middle of the bottom end of a sizing pressing die (3), the lower die box (10) is embedded in a feeding groove (102) in a charging bottom die (1), a proper amount of raw materials are added into the feeding groove (102), after the raw materials are added, a transmission device (4) moves downwards to enable the upper die box (301) and the lower die box (10) to be connected in an aligned mode and to be pressurized to be extruded and formed, after the raw materials are extruded, the lower die box (10) is taken out, the lower die box (10) is placed into a device (21) through a placing opening (22), wherein a cutting opening (22) is fixedly formed in the middle of the front face of the cutting device (21), and a cutting knife box (20) is fixedly installed in the middle of the top end of the cutting device (21); the middle part of the top end of the cutter box (20) is fixedly connected with a pressing plate (23), the middle part of the front surface of the cutter box (20) is fixedly provided with a mould baffle groove (24), the middle part of the bottom end of the cutter box (20) is tightly provided with a plurality of cutting needles (26), and four corners of the bottom end of the cutter box (20) are fixedly provided with strong springs (25); the template that needs the cutting die is embedded in cutter box (20), and pressing plate (23) pushes down, cuts out needle (26) and forms the cutting tool who corresponds according to the mould template of embedding during the cutting, and after the cutting was accomplished, powerful spring (25) kick-backed, and the waste material of adhesion is scraped with cutter box (20) inner wall combined action to cutting needle (26) reset.