Medical nail bin forming module and processing die
Technical Field
The invention relates to the technical field of dies, in particular to a medical nail bin forming module and a processing die.
Background
The nail bin is one of the main components of the anastomat, as shown in fig. 1, a plurality of movable openings for the movable nail pushing sheets are formed on the nail bin, so that a plurality of inserts are also required to be correspondingly arranged in the mold core of the mold for injection molding, and the sizes of the nail bin and the nail bin are smaller, so that the inserts are thinner, are easy to deform or incline during processing, lead to easy generation of burrs of products and reduce the product precision.
Disclosure of Invention
In order to solve the technical problems, the invention provides a medical nail bin forming module and a processing die, which have the advantages of improving the stability of an insert and the product precision.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
A medical nail storehouse forming die set has seted up the location caulking groove in the die holder of mould, forming die set includes:
The shaping subassembly of shaping die cavity that is used for forming shaping nail storehouse is inlayed and is established in the location caulking groove, shaping subassembly includes: the fixing block is embedded in the positioning caulking groove, and an insert clamping groove is formed in the fixing block; the first insert plates are clamped and embedded in the insert clamping grooves, and a plurality of molding inserts are arranged on the first insert plates; the second insert plates are arranged between the adjacent first insert plates at intervals, and the first insert plates and the second insert plates are surrounded to form a molding die cavity matched with the nail bin to be processed; and
And a fixing assembly for fixing the first and second insert plates to the fixing block.
When the technical scheme is realized, the first insert plate and the second insert plate are clamped in the insert clamping groove in sequence, the first insert plate and the second insert plate are locked and fixed through the fixing component, and finally the fixing block is installed and fixed in the positioning embedding groove of the fixed die holder, so that a molding die cavity of a molded product can be formed, a space formed by surrounding the first insert plate and the second insert plate is used for forming the integral shape of the nail bin, and the molding insert is used for forming a movable opening of the nail pushing piece on the nail bin; because shaping mold insert sets up on first mold insert board, promptly with first mold insert board structure as an organic whole, compare in traditional mold insert setting form, owing to be whole processing, the course of working is simple and convenient more, and the installation is also more swift, can form mutual support each other after first mold insert board and the equipment of second mold insert board are accomplished simultaneously for shaping mold insert is difficult for taking place to warp, has improved the stability of shaping mold insert and the machining precision of product.
As a preferred scheme of the invention, positioning grooves are formed in two sides of the fixing block, bayonets matched with the positioning grooves are formed in two sides of the first insert plate and the second insert plate, and the fixing assembly comprises: the clamping device comprises a clamping plate embedded in the clamping opening and pressed against the first insert plate and the second insert plate, and a locking piece used for locking and fastening the clamping plate to the fixed block.
After the first insert plate and the second insert plate are embedded into the insert clamping groove, the pressing plates are clamped and embedded into the positioning groove and the bayonet, at the moment, the two pressing plates on the two sides simultaneously compress the first insert plate and the second insert plate, and the pressing plates are locked and fixed through the locking pieces, so that the first insert plate and the second insert plate can be locked and fixed with the fixing blocks.
As a preferable scheme of the invention, a plurality of first pin holes are formed in the first insert plate and the second insert plate, a second pin hole matched with the first pin hole is formed in the fixed block, and bolts are inserted into the first pin hole and the second pin hole.
According to the technical scheme, the bolts are inserted into the first pin holes and the second pin holes, the second insert plate and the second insert plate are fixed more stably and are positioned more accurately, and the machining precision is further improved.
As a preferred embodiment of the present invention, the second insert plate includes: the side shaping board and middle shaping board, the seal groove has been seted up to middle part of middle shaping board.
By means of the technical scheme, the sealing groove is arranged, and when the sealing groove is matched with the movable die, the sealing effect of the middle part is improved, and the precision of a product is further improved.
In another aspect, the present invention also provides a medical cartridge processing mold, including:
The fixed die comprises a movable die holder and a fixed die holder, wherein a positioning caulking groove is formed in the fixed die holder, an ejection cavity is formed in the lower portion of the fixed die holder, and an ejection hole communicated with the ejection cavity is formed in the bottom of the fixed die holder;
the molding module is embedded in the positioning caulking groove;
The movable mold core is loaded on the movable mold base and is used for being matched with the forming mold group to jointly form a cavity;
The movable slide block mechanism is arranged on two sides of the forming module and used for being matched with the forming module to form the side face of the nail bin, and the movable slide block mechanism comprises: the molding sliding blocks are arranged on two sides of the molding module and are in sliding connection with the fixed mold seat, and the molding sliding blocks are provided with obliquely arranged guide grooves; the inclined guide rod is loaded on the movable die holder and is in sliding fit with the guide groove; and
And the demoulding mechanism is used for ejecting the formed nail bin.
According to the technical scheme, when the movable die holder and the fixed die holder are matched, the movable die core is embedded with the forming die set, the forming sliding blocks are positioned at two sides of the forming die set under the action of the inclined guide rods, and the movable die core, the forming die set and the forming sliding blocks jointly encircle to form a die cavity of a formed product, so that injection molding can be performed; after the product is molded, the movable die holder and the fixed die holder are opened, the movable die core is separated from the molding die set, simultaneously, the molding sliding blocks slide to two sides and are separated from the molding die set under the action of the inclined guide rods in the process of opening the die, and then the oil cylinder stretches into the ejection cavity from the ejection hole to drive the lower ejection mechanism to eject the product, so that the ejection is completed.
As a preferred embodiment of the present invention, the movable mold core includes:
the movable die mounting block is fixed on the movable die holder;
The third insert plate is fixed on the movable mould mounting block, and a plurality of insert grooves matched with the forming inserts are formed in the third insert plate; and
The movable die mounting block is fixed on the fourth insert plate, and the lower end of the fourth insert plate is matched with the sealing groove.
According to the technical scheme, the third insert plate is matched with the molding insert to form a cavity of the molding movable opening, the fourth insert plate is matched with the sealing groove to form a cavity of a notch in the middle of the molding nail bin, and meanwhile the sealing groove is matched with the phenomenon that injection molding materials enter from a gap between the third insert plate and the molding insert is reduced.
As a preferred embodiment of the present invention, the demolding mechanism includes: the ejector pin is assembled in the ejector cavity in a sliding mode, and a plurality of ejector pins fixed on the ejector plate, wherein a plurality of ejector pin holes communicated with the forming die cavity are formed in the fixed die seat, and the ejector pins are inserted in the ejector pin holes.
According to the technical scheme, the ejector plate is driven to slide in the ejection cavity through the oil cylinder, so that the ejector pin is driven to move upwards to eject a product.
As a preferred embodiment of the present invention, the molding slider includes: the sliding type die comprises a fixed die holder, a connecting part and a forming part, wherein the connecting part is assembled on the fixed die holder, the forming part is supported on the connecting part, a hook groove is formed in the connecting part, a clamping hook which is buckled with the hook groove is arranged on the forming part, one side, deviating from the movable die core, of the connecting part is provided with a first guide inclined surface, a guide block is arranged on the movable die holder, and a second guide inclined surface which is attached to the first guide inclined surface is arranged on the guide block.
According to the technical scheme, the connecting part and the forming part are fixedly connected through the cooperation of the hooking groove and the clamping hook, the installation and the processing of the connecting part and the forming part are facilitated, and the first guide inclined plane and the second guide inclined plane are matched, so that the moving process of the forming sliding block is stable, and the stability of demoulding is improved.
As a preferable scheme of the invention, a positioning inserting block is arranged at the bottom of the guide block, and a positioning socket matched with the positioning inserting block is arranged on the positioning die holder; the forming part is provided with a first positioning step, and the movable mould mounting block is provided with a second positioning step which is matched with the first positioning step.
According to the technical scheme, the positioning insertion block is matched with the positioning socket to position the guide block, and the first positioning step is matched with the second positioning step to position the forming part, so that the forming precision of a product is improved.
As a preferable scheme of the invention, two groups of molding modules are symmetrically arranged in the fixed die holder.
Realize above-mentioned technical scheme, through setting up two group's shaping modules, two nail warehouses of one shot forming, the production efficiency of improvement.
In summary, the invention has the following beneficial effects:
the embodiment of the invention provides a medical nail bin forming module and a processing die, wherein the forming module comprises: the shaping subassembly of shaping die cavity that is used for forming shaping nail storehouse is inlayed and is established in the location caulking groove, shaping subassembly includes: the fixing block is embedded in the positioning caulking groove, and an insert clamping groove is formed in the fixing block; the first insert plates are clamped and embedded in the insert clamping grooves, and a plurality of molding inserts are arranged on the first insert plates; the second insert plates are arranged between the adjacent first insert plates at intervals, and the first insert plates and the second insert plates are surrounded to form a molding die cavity matched with the nail bin to be processed; and a fixing assembly for fixing the first and second insert plates to the fixing block. Because shaping mold insert sets up on first mold insert board, promptly with first mold insert board structure as an organic whole, compare in traditional mold insert setting form, owing to be whole processing, the course of working is simple and convenient more, and the installation is also more swift, can form mutual support each other after first mold insert board and the equipment of second mold insert board are accomplished simultaneously for shaping mold insert is difficult for taking place to warp, has improved the stability of shaping mold insert and the machining precision of product.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a cartridge in accordance with the background of the invention.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is a front view of a second embodiment of the present invention.
FIG. 4 is a cross-sectional view of a second embodiment of the present invention along the axial direction of the ejector pin.
Fig. 5 is a schematic structural diagram of the second embodiment of the present invention after the movable mold base is removed.
FIG. 6 is a cross-sectional view of a second embodiment of the present invention along the axis of the diagonal guide bar.
Fig. 7 is an enlarged view of a portion a of fig. 6.
Fig. 8 is an assembly schematic diagram of a molding assembly and a molding slide according to a second embodiment of the invention.
Corresponding part names are indicated by numerals and letters in the drawings:
1. a movable die holder; 2. a fixed die holder; 21. positioning the caulking groove; 22. an ejection cavity; 23. an ejection hole; 24. positioning the socket; 3. a molding assembly; 31. a fixed block; 311. insert clamping grooves; 312. a positioning groove; 313. a second pin hole; 32. a first insert plate; 321. molding the insert; 33. a second insert plate; 331. a side forming plate; 332. an intermediate forming plate; 333. sealing grooves; 4. a fixing assembly; 41. a pressing plate; 42. a locking member; 43. a plug pin; 5. a movable mold core; 51. a movable die mounting block; 511. a second positioning step; 52. a third insert plate; 521. insert grooves; 53. a fourth insert plate; 6. a movable slide block mechanism; 61. forming a sliding block; 611. a guide groove; 612. a connection part; 613. a molding part; 614. a hooking groove; 615. a hook; 616. a first guiding inclined surface; 617. a first positioning step; 62. an inclined guide rod; 7. a demoulding mechanism; 71. a top plate; 72. a thimble; 8. a guide block; 81. a second guiding inclined surface; 82. and positioning the plug block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 2, a positioning caulking groove 21 is formed in a fixed die seat 2 of the die, and the forming die set is arranged in the positioning caulking groove 21 for forming a main body mechanism of a nail cartridge, comprising: a molding assembly 3 embedded in the positioning caulking groove 21 for forming a molding cavity of the molding cartridge; and a fixing assembly 4 for fixing the first insert plate 32 and the second insert plate 33 to the fixing block 31.
Specifically, the molding assembly 3 includes: a fixed block 31 embedded in the positioning caulking groove 21, and an insert clamping groove 311 is formed in the fixed block 31; a plurality of first insert plates 32 which are clamped and embedded in the insert clamping grooves 311, wherein a plurality of molding inserts 321 are arranged on the first insert plates 32; and second insert plates 33 arranged between adjacent first insert plates 32 at intervals, and forming a molding cavity matched with the to-be-processed nail bin by surrounding the first insert plates 32 and the second insert plates 33.
The first insert plate 32 is integrally formed by stamping, the forming inserts 321 are arranged at intervals according to the processing requirements of the movable opening of the nail bin, and the second insert plate 33 comprises: the middle part of middle shaping board 332 has offered sealed groove 333 with middle shaping board 331, because the middle part of nail storehouse is open structure, through setting up sealed groove 333, when cooperating with the movable mould, has improved the sealed effect in middle part, has further improved the precision of product.
Positioning grooves 312 are formed in two sides of the fixing block 31, bayonets matched with the positioning grooves 312 are formed in two sides of the first insert plate 32 and the second insert plate 33, and the fixing assembly 4 comprises: a pressing plate 41 inserted into the bayonet and pressed against the first insert plate 32 and the second insert plate 33, and a locking member 42 for locking and fixing the pressing plate 41 to the fixing block 31, wherein the locking member 42 is a bolt; after the first insert plate 32 and the second insert plate 33 are embedded into the insert clamping groove 311, the pressing plates 41 are clamped in the positioning groove 312 and the bayonet, at this time, the two pressing plates 41 on two sides simultaneously press the first insert plate 32 and the second insert plate 33, and the pressing plates 41 are locked and fixed through the locking pieces 42, so that the first insert plate 32 and the second insert plate 33 can be locked and fixed with the fixing block 31.
Meanwhile, a plurality of first pin holes are formed in the first insert plate 32 and the second insert plate 33, a second pin hole 313 matched with the first pin holes is formed in the fixed block 31, and a plug pin 43 is inserted into the first pin hole and the second pin hole 313; by inserting the insert pins 43 into the first and second pin holes 313, the second insert plate 33 and the second insert plate 33 are fixed more stably and at a more accurate position, further improving the machining accuracy.
During installation, the first insert plate 32 and the second insert plate 33 are clamped in the insert clamping groove 311 in sequence, the first insert plate 32 and the second insert plate 33 are locked and fixed through the fixing component 4, and finally the fixing block 31 is installed and fixed in the positioning embedding groove 21 of the fixed die holder 2, so that a molding die cavity of a molded product can be formed, a space formed by surrounding the first insert plate 32 and the second insert plate 33 is used for forming the whole shape of a nail bin, and the molding insert 321 is used for forming a movable opening of a nail pushing piece on the nail bin; because the shaping mold insert 321 sets up on first mold insert board 32, promptly with the structure of first mold insert board 32 as an organic whole, compare in traditional mold insert setting form, because be whole processing, the course of working is simpler convenient, the installation is also more swift, can form mutual support each other after first mold insert board 32 and second mold insert board 33 are assembled simultaneously for shaping mold insert 321 is difficult for taking place to warp, has improved the stability of shaping mold insert 321 and the machining precision of product.
Example two
A medical cartridge processing die, as shown in fig. 3 to 8, comprising: the fixed die comprises a movable die holder 1 and a fixed die holder 2, wherein a positioning caulking groove 21 is formed in the fixed die holder 2, an ejection cavity 22 is formed in the lower part of the fixed die holder 2, and an ejection hole 23 communicated with the ejection cavity 22 is formed in the bottom of the fixed die holder 2; the molding module according to the first embodiment; the movable mold core 5 is supported on the movable mold base 1 and is used for being matched with the forming mold group to jointly form a cavity; the movable slide block mechanisms 6 are arranged on two sides of the forming module and are used for being matched with the forming module to form the side face of the nail bin; and a demoulding mechanism 7 for ejecting the formed nail bin.
Specifically, the movable mold core 5 includes: a movable die mounting block 51 fixed to the movable die holder 1; the third insert plate 52 fixed on the movable die mounting block 51, and a plurality of insert grooves 521 matched with the molding inserts 321 are formed in the third insert plate 52; and a fourth insert plate 53 fixed to the movable die mounting block 51, the lower end of the fourth insert plate 53 being fitted with the seal groove 333.
The movable die mounting block 51 is locked on the upper die through bolts, a fixing opening is formed in the position, corresponding to the forming die, of the movable die mounting block 51, the third insert plate 52 and the fourth insert plate 53 are fixedly inserted into the fixing opening, in the embodiment, the third insert plate 52 is provided with two blocks, the two third insert plates 52 are respectively arranged on two sides of the fourth insert, the fixing opening is T-shaped, protruding edges are respectively arranged on the third insert plate 52 and the fourth insert plate 53, the protruding edges on the third insert plate 52 are abutted with the fixing opening, the protruding edges on the fourth insert plate 53 are abutted with one of the third insert plates 52, the upper surfaces of the third insert plate 52 and the fourth insert plate 53 are flush with the upper surface of the movable die mounting block 51, and when the movable die mounting block 51 is fixed on the movable die holder 1, the third insert plate 52 and the fourth insert plate 53 are tightly pressed and fixed; the third insert plate 52 is matched with the molding insert 321 to form a cavity of a molding movable port, the fourth insert plate 53 is matched with the sealing groove 333 to form a cavity of a notch in the middle of the molding nail bin, and meanwhile, the sealing groove 333 is matched to reduce the phenomenon that injection molding materials enter from a gap between the third insert plate and the molding insert 321.
The movable slider mechanism 6 includes: the molding slide blocks 61 are arranged on two sides of the molding module and are in sliding connection with the fixed mold seat 2, and the molding slide blocks 61 are provided with obliquely arranged guide grooves 611; the inclined guide rod 62 is carried on the movable die holder 1 and is in sliding fit with the guide groove 611.
The molding slider 61 includes: the connecting part 612 assembled on the fixed die seat 2 in a sliding manner and the forming part 613 borne on the connecting part 612 are provided with a hook groove 614, the forming part 613 is provided with a hook 615 buckled with the hook groove 614, the hook groove 614 is matched with the hook 615, and the connecting part 612 and the forming part 613 are connected and fixed by a screw in a locking manner, so that the connecting part 612 and the forming part 613 are convenient to install and process.
Further, a first guiding inclined plane 616 is arranged on one side, away from the movable mold core 5, of the connecting portion 612, a guiding block 8 is arranged on the movable mold base 1, a second guiding inclined plane 81 attached to the first guiding inclined plane 616 is arranged on the guiding block 8, and the first guiding inclined plane 616 is matched with the second guiding inclined plane 81, so that the moving process of the forming sliding block 61 is stable, and the demolding stability is improved. Meanwhile, a positioning insert block 82 is arranged at the bottom of the guide block 8, a positioning socket 24 matched with the positioning insert block 82 is arranged on the fixed die seat 2, a first positioning step 617 is arranged on the forming part 613, and a second positioning step 511 matched with the first positioning step 617 is arranged on the movable die mounting block 51; the positioning insert 82 is matched with the positioning socket 24 to position the guide block 8, and the first positioning step 617 is matched with the second positioning step 511 to position the forming part 613, so that the forming precision of the product is improved.
The demoulding mechanism 7 comprises: the ejector pin seat 2 is provided with a plurality of ejector pin holes communicated with the forming die cavity, the ejector pin 72 is inserted in the ejector pin holes, the ejector pin 72 is guided by the ejector pin holes, the ejector pin 72 is arranged at the position of the nail bin close to two ends, the ejector pin 72 plate is driven to slide in the ejector cavity 22 by the oil cylinder, the ejector pin 72 is driven to move upwards to eject a product, and a shutter is arranged between the movable die seat 1 and the fixed die seat 2 and used for separating and demolding of the movable die seat 1 and the fixed die seat 2.
In this embodiment, two sets of forming modules are symmetrically arranged in the fixed die seat 2, and two sets of corresponding movable sliding block mechanisms 6, movable die cores 5 and ejector pins 72 are also arranged, so that two nail bins are formed at one time through arranging the two sets of forming modules, and the production efficiency is improved.
When the movable die holder 1 and the fixed die holder 2 are matched, the movable die core 5 is embedded with the molding die set, the molding slide blocks 61 are positioned at two sides of the molding die set under the action of the inclined guide rods 62, and the movable die core 5, the molding die set and the molding slide blocks 61 jointly encircle to form a cavity of a molded product, so that injection molding can be performed; after the product is molded, the movable die holder 1 and the fixed die holder 2 are opened, the movable die core 5 is separated from the molding die set, meanwhile, the molding slide blocks 61 slide to two sides to be separated from the molding die set under the action of the inclined guide rods 62 in the mold opening process, and then the oil cylinder stretches into the ejection cavity 22 from the ejection hole 23 to drive the ejection mechanism 7 to eject the product, so that the ejection is completed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.