CN217670865U

CN217670865U - Special injection molding equipment of case and bag plastic part

Info

Publication number: CN217670865U
Application number: CN202221139014.8U
Authority: CN
Inventors: 吴健
Original assignee: Suzhou Meisheng Plastic Products Co ltd
Current assignee: Suzhou Meisheng Plastic Products Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-28
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a special injection moulding equipment of case and bag plastic part, including the cover half, the top activity of cover half is provided with the movable mould, the surface of cover half is provided with the die cavity, the inboard activity of die cavity is provided with the cooperation mold insert of two symmetric distributions, the inner wall that the one end of cooperation mold insert runs through the die cavity is pegged graft inside the cover half and with cover half sliding connection, the cooperation mold insert is located the inside tip of cover half and is inlayed and be provided with the permanent magnet, the upper and lower below of permanent magnet all is provided with reset spring, the inside of cover half is provided with the electro-magnet, reset spring's one end is pegged graft in the tip of cooperation mold insert the other end and is contacted and is laminated with the electro-magnet. The utility model discloses a be provided with cooperation mold insert, contact core, regulation core, cooperation core, electro-magnet, permanent magnet, reset spring, flexible gas pole, internal thread sleeve pipe and lead screw can be quick carry out the drawing of patterns to the product after the shaping, the convenience is taken and is collected the product.

Description

Special injection molding equipment of case and bag plastic part

Technical Field

The utility model relates to a case and bag technical field specifically is a special injection moulding device of case and bag plastic part.

Background

With the rapid development of social economy, the case is a general name of bags, and is a general name of various bags for holding articles, including general shopping bags, handbags, purses, backpacks, single-shoulder bags, satchels, waist bags, various draw-bar cases and the like, and case plastic parts refer to plastic parts for connecting and fixing the case.

However, the middle width of the plastic buckle used on the existing luggage is smaller than the width of the two ends, so that the product is difficult to form and is inconvenient to demould; therefore, the existing requirements are not met, and the special injection molding equipment for the luggage plastic parts is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special injection moulding equipment of case and bag plastic part to the width that the width is less than both ends in the middle of the plastics buckle that uses on the current case and bag that proposes in solving above-mentioned background art, lead to product shaping difficulty and inconvenient drawing of patterns scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special injection moulding equipment of case and bag plastic part, includes the cover half, the top activity of cover half is provided with the movable mould, the surface of cover half is provided with the die cavity, the inboard activity of die cavity is provided with two symmetric distribution's cooperation mold insert, the one end of cooperation mold insert runs through the inner wall of die cavity and pegs graft inside the cover half and with cover half sliding connection, the cooperation mold insert is located the inside tip of cover half and inlays and is provided with the permanent magnet, the top and bottom of permanent magnet all are provided with reset spring, the inside of cover half is provided with the electro-magnet, the one end of reset spring is pegged graft in the tip of cooperation mold insert the other end and contacts and laminate with the electro-magnet, two the centre of die cavity is provided with two contact cores, one side of contact core is provided with the regulation core with the contact slider, the guide slider pegs graft in the side of contact core and with contact core sliding connection, the centre of guide slider runs through being provided with the guide bar, the both ends outside of the guide bar of telling about all overlap there are located two of same contact core the centre of cooperation core contact core side be provided with the regulation core, the inside drive motor is provided with the internal thread of contact screw rod, the internal thread of the guide bar and the both ends of the connection of the telescopic guide bar, the both ends of the telescopic guide bar of contact core, the connection of the guide bar are provided with the internal thread of the both ends of the telescopic screw rod.

Preferably, the width dimension of the mating core is one half of the maximum width of the contact core.

Preferably, the electromagnet is connected with the permanent magnet in a magnetic adsorption manner, and the magnetic attraction force of the electromagnet and the permanent magnet is greater than the sum of the elastic forces of the two return springs.

Preferably, the outer surface of one end of the internal thread sleeve and the end part of the driving motor are respectively provided with a transmission gear, and the two transmission gears are mutually kept meshed.

Preferably, the two transmission gears are connected with the internal thread sleeve and the driving motor through fixing pins.

Preferably, the following components: the both ends of internal thread sheathed tube all joint on the inner wall of adjusting the core, internal thread sheathed tube both ends and the interior wall centre of adjusting the core all are provided with ball bearing.

Preferably, one end face of the guide sliding block is attached to the end face, contacted with the matching core and the contact core, of the guide sliding block, and the guide sliding block and the contact core are fixed through welding.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a after the product shaping finishes, driving motor switch on and start the rotation of drive internal thread sleeve pipe, internal thread sleeve pipe can move along lead screw's axis this moment, and drive and adjust the core and keep away from with the cooperation core, break away from until adjusting the core from the centre of two cooperation cores, thereby make spring leaf elasticity recover and drive two cooperation cores and be close to each other and laminate, then switch on the power of electro-magnet, make the electro-magnet adsorb the permanent magnet, make the permanent magnet drive the cooperation mold insert to move to the inside of cover half and compress reset spring, flexible gas pole drives the contact core to move to the inside of cover half at last, can be with the contact core, adjust the core, cooperation core and cooperation mold insert and the product after the shaping completely separate, the product is demolded fast, conveniently take, collect the product;

2. the utility model discloses a flexible gas pole starts to drive two contact cores and is close to each other and laminate, driving motor starts to make the internal thread sleeve pipe rotate through the rotation of the driving tooth of two meshing of drive afterwards, this moment the internal thread sleeve pipe pass through with lead screw between the screw drive along lead screw's axis rotation and remove, the internal thread sleeve pipe can drive the regulation core and move and be close to the contact core this moment, adjust the core this moment with two cooperation cores to both sides extrusion, make the cooperation core drive the direction slider slip and compress the spring leaf, then electro-magnet cut-off power supply is not adsorbing the permanent magnet, reset spring elasticity recovers and will cooperate the ejecting cover half of mold insert this moment, make cooperation mold insert behind the ejecting cover half laminate with two contact cores, then the movable mould moves down again and accomplishes and the mould action, carry out injection moulding operation at last can, can directly carry out the shaping operation to the product, save operating time, reduce the process, and reduce production cost.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of a partial structure of the fixed mold of the present invention;

FIG. 3 is a cross-sectional view of the fitted insert of the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1. fixing a mold; 2. moving the mold; 3. a cavity; 4. matching the insert; 5. contacting the core; 6. adjusting the mold core; 7. matching the mold core; 8. an electromagnet; 9. a permanent magnet; 10. a return spring; 11. a guide slider; 12. a guide bar; 13. a spring plate; 14. a telescopic air rod; 15. an internally threaded sleeve; 16. a drive motor; 17. and guiding the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The drive motor 16 (model GM12a15 BY) of the present invention can be obtained from market purchase or private customization.

Referring to fig. 1 to 4, the present invention provides an embodiment: a special injection molding device for luggage plastic parts comprises a fixed mold 1, a movable mold 2 is movably arranged above the fixed mold 1, a cavity 3 is arranged on the surface of the fixed mold 1, two matched inserts 4 which are symmetrically distributed are movably arranged on the inner side of the cavity 3, one end of each matched insert 4 penetrates through the inner wall of the cavity 3 to be inserted into the fixed mold 1 and is in sliding connection with the fixed mold 1, a permanent magnet 9 is embedded at the end part of each matched insert 4 positioned in the fixed mold 1, reset springs 10 are respectively arranged above and below the permanent magnet 9, an electromagnet 8 is arranged in the fixed mold 1, one end of each reset spring 10 is inserted into the end part of each matched insert 4, the other end of each reset spring is in contact with the electromagnet 8 and is attached to the corresponding cavity, two contact cores 5 are arranged between the two cavities 3, two matched cores 7 are arranged on one side of each contact core 5, one end of each matched core 7 is attached to the corresponding contact core 5 and is provided with a guide slide block 11, the utility model discloses a contact core 5, including contact core 5, guide slider 11, the centre of guide slider 11 is run through and is provided with guide bar 12, the both ends outside of guide bar 12 all overlaps and has spring leaf 13, be located the centre of two cooperation cores 7 of same contact core 5 side and be provided with regulation core 6, regulation core 6 is close to the inside driving motor 16 that is provided with of tip of contact core 5, one side of driving motor 16 is provided with internal thread sleeve pipe 15, the centre of internal thread sleeve pipe 15 is run through and is provided with lead screw 17, the both ends of lead screw 17 all run through regulation core 6 and one end and contact core 5 fixed connection, the both sides of lead screw 17 all are provided with flexible gas pole 14, the one end of flexible gas pole 14 is pegged graft and is connected with contact core 5 at the inside other end through regulation core 6 of cover half 1.

Further, the width dimension of the mating core 7 is one-half of the maximum width of the contact core 5.

By adopting the technical scheme, the width of the adjusting mold core 6 is kept the same as that of the contact mold core 5 when the two matched mold cores 7 are mutually attached after the adjusting mold core is moved away, and the demolding of a product is not influenced.

Further, the electromagnet 8 is connected with the permanent magnet 9 in a magnetic adsorption manner, and the magnetic attraction force of the electromagnet 8 and the permanent magnet 9 is larger than the sum of the elastic forces of the two return springs 10.

By adopting the technical scheme, the electromagnet 8 can be ensured to smoothly attract the permanent magnet 9, and the two return springs 10 cannot influence the movement of the matched insert 4.

Further, the outer surface of one end of the internally threaded sleeve 15 and the end of the driving motor 16 are provided with transmission gears, and the two transmission gears are kept meshed with each other.

Further, the two transmission gears are connected with the internal thread bushing 15 and the driving motor 16 through fixing pins.

By adopting the technical scheme, the driving motor 16 can drive the transmission gear to rotate and the smooth internal thread sleeve 15 to rotate, so that the internal thread sleeve 15 drives the adjusting core 6 to move.

Further, the both ends of internal thread sleeve pipe 15 all the joint on the inner wall of adjusting core 6, and the both ends of internal thread sleeve pipe 15 all are provided with ball bearing with adjusting the core 6 in the middle of the inner wall.

Through adopting above-mentioned technical scheme, ball bearing can effectual reduction internal thread sleeve pipe 15 and adjust the frictional resistance between the core 6 for the better rotation of internal thread sleeve pipe 15.

Furthermore, the end face of one end of the guide sliding block 11 is attached to the end face of the matching core 7 contacted with the contact core 5, and the guide sliding block 11 is fixed with the contact core 5 through welding.

The working principle is as follows: when the device is used, the power of the device is switched on, after the power is switched on, the four telescopic air rods 14 are started to drive the two contact cores 5 to mutually approach and attach, then the driving motor 16 is started to drive the two meshed transmission teeth to rotate so that the internal thread sleeve 15 rotates, at the moment, the internal thread sleeve 15 rotates and moves along the axis of the guide screw 17 through the thread transmission between the internal thread sleeve 15 and the guide screw 17, at the moment, the internal thread sleeve 15 can drive the adjusting core 6 to move to approach the contact cores 5, at the moment, the adjusting core 6 extrudes the two matched cores 7 to two sides, so that the matched core 7 drives the guide slide block 11 to slide and compress the spring piece 13, then the electromagnet 8 is switched off, the power is not adsorbed to the permanent magnet 9, at the moment, the reset spring 10 elastically restores and ejects the matched inserts 4 out of the fixed die 1, so that the matched inserts 4 ejected out of the fixed die 1 are attached to the two contact cores 5, then the movable die 2 moves downwards to complete die movement, finally, injection molding operation can be carried out, the product can be directly formed, the operation time is saved, the working procedure is reduced, and the production cost is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a special injection moulding equipment of case and bag plastic part, includes cover half (1), its characterized in that: a moving die (2) is movably arranged above the fixed die (1), a cavity (3) is arranged on the surface of the fixed die (1), two symmetrically distributed matched inserts (4) are movably arranged on the inner side of the cavity (3), one end of each matched insert (4) penetrates through the inner wall of the cavity (3) and is inserted in the fixed die (1) and is in sliding connection with the fixed die (1), a permanent magnet (9) is embedded in the end part of each matched insert (4) positioned in the fixed die (1), return springs (10) are arranged above and below the permanent magnet (9), an electromagnet (8) is arranged in the fixed die (1), one end of each return spring (10) is inserted in the end part of each matched insert (4), the other end of each return spring is in contact with the electromagnet (8) and is in contact with the electromagnet (11), two contact cores (5) are arranged in the middle of the cavity (3), two matched cores (7) are arranged on one side of each contact core (5), one end of each matched core (7) is in contact with the contact core (5) and is provided with a guide slider (11), the guide slider (11) is inserted in the side surface of the contact core (5) and is connected with the guide rod (12) in a sliding manner, and the guide rod (12) penetrates through the guide rod, the utility model discloses a fixed mould contact core (5) is characterized in that be located two of same contact core (5) side the centre of cooperation core (7) is provided with adjusts core (6), it is provided with driving motor (16) to adjust core (6) near the tip inside of contact core (5), one side of driving motor (16) is provided with interior thread sleeve pipe (15), the centre of interior thread sleeve pipe (15) is run through and is provided with lead screw (17), the both ends of lead screw (17) all run through adjust core (6) and one end and contact core (5) fixed connection, the both sides of lead screw (17) all are provided with flexible gas pole (14), the one end of flexible gas pole (14) is pegged graft and is run through at the inside other end of cover half (1) and adjust core (6) and contact core (5) and be connected.

2. The special injection molding device for luggage plastic parts according to claim 1, wherein: the width dimension of the matching core (7) is half of the maximum width of the contact core (5).

3. The special injection molding device for luggage plastic parts according to claim 1, wherein: the electromagnet (8) is connected with the permanent magnet (9) in a magnetic adsorption mode, and the magnetic attraction force of the electromagnet (8) and the permanent magnet (9) is larger than the sum of the elastic forces of the two return springs (10).

4. The special injection molding device for luggage plastic parts according to claim 1, wherein: the outer surface of one end of the internal thread sleeve (15) and the end part of the driving motor (16) are respectively provided with a transmission gear, and the two transmission gears are mutually kept meshed.

5. The special injection molding device for luggage plastic parts according to claim 4, wherein: the two transmission gears are connected with the internal thread sleeve (15) and the driving motor (16) through fixing pins.

6. The special injection molding device for luggage plastic parts according to claim 1, wherein: the two ends of the internal thread sleeve (15) are clamped on the inner wall of the adjusting mold core (6), and ball bearings are arranged between the two ends of the internal thread sleeve (15) and the inner wall of the adjusting mold core (6).

7. The special injection molding device for luggage plastic parts according to claim 1, wherein: the end face of one end of the guide sliding block (11) is attached to the end face, contacted with the matching core (7) and the contact core (5), of the guide sliding block (11), and the guide sliding block (11) is fixed with the contact core (5) through welding.