Die set
Technical Field
The application relates to the technical field of moulds, in particular to a mould.
Background
At present, plastic products and parts are more and more, and in order to prepare products with different shapes, the plastic products are generally produced by using a process of injection molding by using a mold.
Referring to fig. 1, a mold in the related art generally includes an upper mold 1 and a lower mold 2, an injection cavity is provided between the upper mold 1 and the lower mold 2, after the upper mold 1 and the lower mold 2 are spliced together, a molten raw material is injected into the injection cavity, and after the belt is cooled and formed, the upper mold 2 and the lower mold 2 are separated from each other, so that the formed product can be taken out. Go up still to be connected with locating plate 3 between mould 1 and the bed die 2, seted up waist type groove on the locating plate 3, equal threaded connection has the positioning bolt 4 of wearing to establish waist type groove on last mould 1 and the bed die 2, and positioning bolt 4 can move at waist type inslot when going up mould 1 and the motion of bed die 2, consequently reduces the condition that mould 1 and bed die 2 took place to squint in the motion process to reduce the production of the substandard product of the product of moulding plastics out.
Upper and lower mould 2 can move in waist type groove at the time of the motion positioning bolt 4 to lead to upper and lower mould 2, and use positioning bolt 4 probably take place not hard up after a period of time, thereby reduce the direction effect to upper and lower mould 2, thereby probably cause the influence to the product quality in later stage.
Disclosure of Invention
In order to improve the guide effect to last bed die when the motion, this application provides a mould.
The application provides a mould, adopts following technical scheme:
a mold comprises an upper mold, a lower mold and a guide structure arranged between the upper mold and the lower mold, wherein the guide structure comprises a guide plate, a positioning rod and a positioning cylinder arranged on the outer wall of the positioning rod, guide grooves are formed in two ends of the guide plate, threaded holes for threaded connection of the positioning rod are formed in the side walls of the upper mold and the lower mold, a containing groove is formed in the opening of the threaded hole, a ring protrusion is arranged at one end, away from the containing groove, of the positioning cylinder, when the positioning rod is connected in the threaded hole through the positioning cylinder in a threaded manner, the positioning cylinder penetrates through the guide grooves and is inserted in the containing groove, the ring protrusion can abut against the surface of the guide plate, and when the first mold and the second mold move relatively, the positioning cylinder can move in the guide grooves;
the outer wall of a locating cylinder is provided with first lug and second lug, the gliding spout of axis direction that is used for supplying first lug and second lug along the holding tank is offered to the inner wall of holding tank to and offer the circumference groove that is used for supplying first lug and second lug circumferential direction, spout and circumference groove communicate, the second lug can be followed a locating cylinder circumference and moved, be provided with the driving piece that drives the second lug along a locating cylinder circumference gliding on the locating lever.
Through adopting above-mentioned technical scheme, when locating lever threaded connection was in the screw hole, a locating cylinder can be pegged graft in the holding tank to the ring is protruding can the butt in the surface of deflector, thereby makes the deflector by the centre gripping between mould lateral wall and ring are protruding, thereby leads when moving upper and lower mould. The locating lever is worn to establish a location section of thick bamboo, a location section of thick bamboo can rotate on the locating lever outer wall, when a location section of thick bamboo is pegged graft in the holding tank, first lug and second lug can slide along the spout, and move to the position in circumference groove, slide the back through driving piece drive second lug, make second lug and spout stagger, thereby make a location section of thick bamboo can not break away from out from the holding tank, and when a location section of thick bamboo rotates, first lug and second lug can be at circumference inslot rotation, make the distance between a location section of thick bamboo and the mould be difficult to change, thereby keep the direction effect.
Optionally, an arc-shaped groove is formed in the outer wall of the positioning cylinder, the arc-shaped groove extends along the circumferential direction of the positioning cylinder, an arc-shaped plate is arranged in the arc-shaped groove in a sliding mode, and the second protruding block is arranged on the arc-shaped plate.
Through adopting above-mentioned technical scheme, the arc passes through arc wall sliding connection in the lateral wall of a setting cylinder, on second lug installation and the arc to realize the slip of second lug.
Optionally, an elongated slot is formed in the positioning cylinder, the elongated slot extends in a direction parallel to an axis of the positioning cylinder, the elongated slot and the arc-shaped slot are staggered, the driving member includes a driving rod slidably disposed in the elongated slot, a through hole is formed in the arc-shaped plate, an end surface of the driving rod exceeds the positioning cylinder, a protruding block is disposed at an end of the positioning rod, the protruding block can abut against the driving rod when the positioning rod is screwed to the threaded hole, the driving rod penetrates through the through hole, the driving rod can drive the arc-shaped plate to slide in the arc-shaped slot when penetrating through the through hole, an elastic member is further disposed in the arc-shaped slot, and when the driving rod slides out of the through hole, the elastic member can drive the arc-shaped plate to slide to an original position.
Through adopting above-mentioned technical scheme, the one end of actuating lever has the terminal surface that surpasss a location section of thick bamboo, when locating lever threaded connection and screw hole in, the lug is contradicted on the tip of actuating lever, thereby the drive actuating lever slides to the direction that is close to the screw hole, the perforation is worn to establish by the actuating lever, thereby make the arc slide and drive the motion of second lug, when the actuating lever was extracted, can make the second lug slide to original position under the effect of elastic component, thereby make a location section of thick bamboo can follow the roll-off in the holding tank.
Optionally, the elastic member is a spring disposed in the arc-shaped groove, one end of the spring is connected to an inner end face of the arc-shaped groove, the other end of the spring is connected to an end portion of the arc-shaped plate, and when the driving rod penetrates through the through hole, the spring is in a compressed state.
Through adopting above-mentioned technical scheme, the spring can provide elasticity to the return of drive arc.
Optionally, one end of the driving rod close to the arc-shaped plate is in a tip structure.
Through adopting above-mentioned technical scheme, make things convenient for the perforation that the arc was worn to establish by the actuating lever and drive the arc and slide more.
Optionally, the second protrusion is symmetrically provided with two along the side wall of the positioning cylinder, the driving rods are also symmetrically provided with two, the end portions of the two driving rods have portions exceeding the end portions of the positioning cylinder, and the end portions of the two driving rods are connected to the same circular ring.
Through adopting above-mentioned technical scheme, improve the stability of a location section of thick bamboo in the holding tank.
Optionally, the protruding block is provided with a ring groove, and when the protruding block abuts against the end of the positioning barrel, the ring can be accommodated in the ring groove and can rotate in the ring groove.
Through adopting above-mentioned technical scheme, the ring can move in the annular to realize the rotation of a location section of thick bamboo, and make the lug can butt in the terminal surface of a location section of thick bamboo, thereby improve the stability of structure.
Optionally, the outer wall of the positioning cylinder is provided with a limiting plate, and the limiting plate covers the opening of the arc-shaped groove to limit the arc-shaped plate to be separated from the arc-shaped groove.
Through adopting above-mentioned technical scheme, make things convenient for the installation and the dismantlement of arc.
In summary, the present application includes at least one of the following benefits:
1. after first lug and second lug passed through the spout and scratched into the circumference groove, the second lug can slide under the effect of driving piece to make a location section of thick bamboo can not break away from out from the holding tank, thereby stability when improving the direction.
Drawings
Fig. 1 is a schematic structural view of the related art;
FIG. 2 is a schematic structural diagram of an embodiment of the present application;
FIG. 3 is an exploded view of a guide structure in an embodiment of the present application;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is an exploded view of a positioning rod and positioning barrel in an embodiment of the present application;
FIG. 6 is a schematic cross-sectional view of a positioning cartridge in an embodiment of the present application;
FIG. 7 is a schematic view of an embodiment of the present invention embodying pockets.
Description of reference numerals: 1. an upper die; 2. a lower die; 3. positioning a plate; 4. positioning the bolt; 5. a guide structure; 51. a guide plate; 52. positioning a rod; 53. a positioning cylinder; 6. a guide groove; 7. a threaded hole; 8. accommodating grooves; 9. the ring is convex; 10. a first bump; 11. a second bump; 12. a chute; 13. a circumferential groove; 14. a drive member; 141. a drive rod; 15. an arc-shaped slot; 16. an arc-shaped plate; 17. a long groove; 18. perforating; 19. a bump; 20. an elastic member; 21. a circular ring; 22. a ring groove; 23. and a limiting plate.
Detailed Description
The present application is described in further detail below with reference to figures 2-7.
The embodiment of the application discloses a mold. Referring to fig. 2, the mold includes an upper mold 1 and a lower mold 2, the upper mold 1 and the lower mold 2 can be moved toward or away from each other, and an external power source, which is not shown in the drawings for convenience of illustration, drives the upper mold 1 and the lower mold 2 to move. The mould is symmetrically provided with guide structures 5 on both sides and two guide structures 5 are provided in each side.
Referring to fig. 3 and 4, the guide structure 5 includes a guide plate 51, a positioning rod 52, and a positioning tube 53 attached to an outer wall of the positioning rod 52, wherein the positioning rod 52 is inserted through the positioning tube 53, and the positioning tube 53 is rotatable on the outer wall of the positioning rod 52.
Referring to fig. 3 and 4, two guide grooves 6 are symmetrically formed in the guide plate 51, the positioning rods 52 are disposed corresponding to the guide grooves 6, and the positioning rods 52 penetrate through the guide grooves 6 and are connected to the upper mold 1 and the lower mold 2, respectively. The guide groove 6 extends in the longitudinal direction of the guide plate 51 so that the positioning rod 52 can relatively move in the guide groove 6 when the upper mold 1 and the lower mold 2 move. The mold is bilaterally symmetrically provided with four guide structures 5, i.e., the upper mold 1 and the lower mold 2 are between four guide plates 51.
Referring to fig. 3 and 4, threaded holes 7 are formed in the side walls of the upper die 1 and the lower die 2, and the positioning rod 52 penetrates through the guide groove 6 and then is in threaded connection with the threaded holes 7. The outer wall of locating lever 52 is located to the cover of locating cylinder 53, and holding tank 8 has been seted up to the opening part of screw hole 7 is coaxial, and when locating lever 52 threaded connection was in screw hole 7, locating cylinder 53 can wear to establish guide way 6 and insert and connect in holding tank 8. The end of the positioning tube 53 is coaxially fixed with the annular projection 9, the end of the positioning tube 52 is provided with a projection 19, and the projection 19 can abut against the end of the positioning tube 53 and drive the positioning tube 53 to abut in the accommodating groove 8 until the annular projection 9 abuts on the guide plate 51, and the distance between the annular projection 9 and the mold surface is equal to the thickness of the guide plate 51. The diameter of the positioning cylinder 53 is adapted to the width of the guide groove 6, when the upper mold 1 and the lower mold 2 move relative to each other, the positioning cylinder 53 can move in the guide groove 6, the outer wall of the positioning cylinder 53 abuts against the inner wall of the guide groove 6, and when the positioning cylinder 53 moves in the guide groove 6, the positioning cylinder 53 can rotate.
Referring to fig. 3 and 4, four sliding grooves 12 are uniformly formed in the inner wall of the accommodating groove 8 along the circumferential direction of the accommodating groove 8, and the sliding grooves 12 extend along the axial direction of the accommodating groove 8. Still seted up circumference groove 13 on the holding tank 8 inner wall, circumference groove 13 extends along holding tank 8's circumference, and holding tank 8 open-ended one end and circumference groove 13 are kept away from to spout 12 are linked together. Two first lugs 10 and two second lugs 11 are symmetrically installed on the outer wall of the positioning cylinder 53, and the first lugs 10 and the second lugs 11 are uniformly arranged along the circumferential direction of the positioning cylinder 53. When the positioning cylinder 53 is inserted into the receiving groove 8, the first projection 10 and the second projection 11 respectively correspond to the sliding groove 12 and slide into the sliding groove 12, and when the annular projection 9 abuts against the surface of the guide plate 51, the first projection 10 and the second projection 11 are both located in the circumferential groove 13, that is, when the positioning cylinder 53 rotates, the first projection 10 and the second projection 11 can move in the circumferential groove 13. For the convenience of installation, the inner wall of the guide groove 6 may be provided with holes for the first projection 10 and the second projection 11 to pass through.
Referring to fig. 4 and 5, a driving member 14 for driving the second protrusion 11 to slide along the circumferential direction of the positioning cylinder 53 is mounted on the positioning rod 52, and when the first protrusion 10 and the second protrusion 11 slide into the circumferential groove 13, the driving member 14 drives the second protrusion 11 to move along the circumferential direction of the positioning cylinder 53, so that the positions of the second protrusion 11 and the sliding groove 12 are staggered, and the positioning cylinder 53 cannot be separated from the receiving groove 8, thereby improving the stability in the guiding process of the upper mold 1 and the lower mold 2.
Referring to fig. 5 and 6, the outer wall of the positioning cylinder 53 is provided with an arc-shaped groove 15, the arc-shaped groove 15 and the positioning cylinder 53 are coaxially arranged, the arc-shaped groove 15 is internally provided with an arc-shaped plate 16 in a sliding manner, and the second bump 11 is arranged on the arc-shaped plate 16, so that the second bump 11 slides on the outer wall of the positioning cylinder 53. The positioning cylinder 53 is provided with a long groove 17 parallel to the axial direction of the positioning cylinder 53, and the long groove 17 is communicated with the arc-shaped groove 15. The driving part 14 includes a driving rod 141 slidably connected in the long slot 17, the arc-shaped plate 16 is provided with a through hole 18, the end of the driving rod 141 is of a pointed structure, so that the end of the driving rod 141 has an inclined surface, when the driving rod 141 slides in the long slot 17, the driving rod 141 can penetrate through the through hole 18, the through hole 18 is not aligned with the end of the driving rod 141, so that the inclined surface of the end of the driving rod 141 can abut against the side wall of the through hole 18, and the driving rod 141 continues to move, so that the arc-shaped plate 16 can be driven to slide, and the second protruding block 11 is driven to slide. The arc-shaped slot 15 is further installed with an elastic member 20, when the driving rod 141 is pulled out from the through hole 18, the elastic member 20 can drive the arc-shaped plate 16 to slide to the original position, that is, the first projection 10 and the second projection 11 can correspond to the sliding slot 12, so that the positioning cylinder 53 can slide out of the accommodating slot 8.
Referring to fig. 6, the elastic member 20 includes a spring mounted on an inner end surface of the arc-shaped slot 15, and the other end of the spring is connected to an end surface of the arc-shaped plate 16. The outer wall of the positioning cylinder 53 is also provided with a limiting plate 23, and the limiting plate 23 covers part of the opening of the arc-shaped groove 15, so that the arc-shaped plate 16 cannot be separated from the arc-shaped groove 15.
Referring to fig. 7, the ends of the two driving rods 141 have portions extending beyond the ends of the positioning cylinders 53 and are connected to the same ring 21. When the positioning rod 52 moves, the protrusion 19 can abut against the ring 21, so as to drive the driving rod 141 to slide in the long slot 17. The protrusion 19 is formed with a ring groove 22 for receiving the ring 21, and when the positioning cylinder 53 rotates, the ring 21 can rotate in the ring groove 22.
The implementation principle of a mold in the embodiment of the application is as follows: the positioning rod 52 is connected to the threaded hole 7 in a threaded manner, the positioning cylinder 53 is inserted into the accommodating groove 8, the positioning rod 52 can push the driving rod 141 to slide in the elongated slot 17 after continuing to move, the driving rod 141 penetrates through the arc-shaped plate 16 and can drive the second protruding block 11 to slide, after the second protruding block 11 and the sliding groove 12 are staggered, the positioning cylinder 53 cannot be separated from the accommodating groove 8, the positioning rod 52 continues to move, the annular protrusion 9 abuts against the surface of the guide plate 51, and therefore when the upper die 1 and the lower die 2 move, the positioning cylinder 53 can guide and cannot easily deviate.
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.