CN220784737U

CN220784737U - Earphone production injection molding shearing mechanism

Info

Publication number: CN220784737U
Application number: CN202322465256.7U
Authority: CN
Inventors: 于景然; 刘剑峰; 邹景丰; 张伟
Original assignee: Ganzhou Xinzheng Electronics Co ltd
Current assignee: Ganzhou Xinzheng Electronics Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-16
Anticipated expiration: 2033-09-12

Abstract

The utility model relates to the technical field of earphone production, and discloses an earphone production injection molding shearing device which solves the problem that an injection molding is easy to damage due to manual shearing of a pouring gate at present; according to the utility model, the pressing plate is convenient to move to the position right above the injection molding machine through the matching between the second air cylinder and the guide plate as well as the guide rod, the guide plate is convenient to move downwards through the matching between the first air cylinder and the lifting plate as well as between the guide plate and the vertical rod, and the pressing plate can fix the injection molding piece through the matching between the pressing plate and the ejector rod as well as between the spring and the guide plate, so that the automatic shearing of the pouring gate is convenient to follow-up.

Description

Earphone production injection molding shearing mechanism

Technical Field

The utility model belongs to the technical field of earphone production, and particularly relates to an injection molding shearing device for earphone production.

Background

The earphone is a pair of conversion units which receive electric signals sent by a media player or a receiver, the electric signals are converted into audible sound waves by using a loudspeaker close to the ears, the mould is various moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging moulding, smelting, stamping and other methods to obtain required products in industrial production, in the earphone processing process, the earphone shell is processed and moulded through the injection mould, the injection moulding is that heated and melted materials are injected into a cavity through a runner and a gate, the materials are removed from the mould after being cooled and solidified, namely an injection moulding product with a certain shape and structure is formed, and normally after the injection moulding product is ejected, the runner of an injection moulding port is remained with the gate connected with an injection moulding body, and the normal use of the injection moulding product is influenced by the existence of the gate, so that the injection moulding product needs to be sheared off.

The traditional mode of shearing the runner is manual excision, and the runner that links to each other with the injection molding is cut or sheared with runner pincers or blade to the manual work promptly, but this mode receives the restriction of manual technique, and manual shearing runner easily accidentally damages the injection molding, leads to shearing position unevenness, and product quality control stability is poor.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the shearing device for the injection molding piece for earphone production, which effectively solves the problem that the injection molding piece is easily damaged due to the manual shearing of the pouring gate at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the shearing device for the injection molding piece for earphone production comprises a base, wherein a fixing mechanism is arranged at the top of the base, and a shearing mechanism is arranged on the fixing mechanism;

the fixed establishment is including being fixed in the placing table at base top, placing table's top is equipped with the standing groove, placing table's top fixed mounting has L type frame, L type frame's inside roof fixed mounting has cylinder one, cylinder one's bottom fixed mounting has the lifter plate, the bottom of lifter plate is equipped with the deflector, be equipped with the clamp plate under the deflector, the top symmetry fixed mounting of clamp plate has two ejector pins, the top of two ejector pins all runs through the deflector and fixed mounting has the kicking block, and two ejector pins all with deflector swing joint, fixedly connected with two springs between clamp plate and the deflector, the outside of two ejector pins is located to two springs movable sleeve respectively.

Preferably, the inside fixed mounting of L type frame has the montant, and the bottom of montant is fixed in the top of placing the platform, and the outside of montant is located to lifter plate movable sleeve.

Preferably, the bottom of the lifting plate is fixedly provided with a vertical plate, and a second air cylinder is fixedly arranged between the vertical plate and the guide plate.

Preferably, one side of the vertical plate, which is close to the guide plate, is symmetrically and fixedly connected with two guide rods, one ends of the two guide rods, which are far away from the vertical plate, are both fixed at the bottom of the lifting plate, and the guide plate is movably sleeved on the outer sides of the two guide rods.

Preferably, the shearing mechanism comprises a sliding plate positioned below the lifting plate, the sliding plate is movably sleeved on the outer sides of the two guide rods, the sliding plate is positioned on one side, far away from the vertical plate, of the guide plate, a knife plate is fixedly arranged at the bottom of the sliding plate, and a knife blade is fixedly arranged at the bottom of the knife plate.

Preferably, the bottom of lifter plate is equipped with the spout, and the inside fixed mounting of spout has the motor, and fixed mounting has the lead screw on the motor, and the one end that the motor was kept away from to the lead screw is connected with the inner wall rotation of spout, and the outside screw thread of lead screw has cup jointed the swivel nut, fixedly connected with spliced pole between swivel nut and the slide.

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

(1) According to the utility model, the pressing plate is convenient to move to the position right above the injection molding machine through the matching between the second air cylinder and the guide plate as well as the guide rod, the guide plate is convenient to move downwards through the matching between the first air cylinder and the lifting plate as well as between the guide plate and the vertical rod, and the pressing plate can fix the injection molding piece through the matching between the pressing plate and the ejector rod as well as between the spring and the guide plate, so that the follow-up automatic shearing of the pouring gate is convenient;

(2) This novel cooperation between motor and lead screw and swivel nut and the spliced pole, the slide of being convenient for removes along two guide bars for the blade can remove to correspond with the runner, and through the cooperation between cylinder one and lifter plate and the montant, the blade of being convenient for down removes to runner automated shear.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a cutting device for producing injection molded parts of an earphone according to the present utility model;

FIG. 2 is a schematic view of a fixing mechanism according to the present utility model;

FIG. 3 is a schematic view of a platen structure according to the present utility model;

FIG. 4 is a schematic view of a shear mechanism according to the present utility model;

in the figure: 1. a base; 2. a fixing mechanism; 201. a placement table; 202. a placement groove; 203. a pressing plate; 204. a lifting plate; 205. a first cylinder; 206. an L-shaped frame; 207. a vertical rod; 208. a guide rod; 209. a top block; 2010. a guide plate; 2011. a vertical plate; 2012. a second cylinder; 2013. a push rod; 2014. a spring; 3. a shearing mechanism; 301. a slide plate; 302. a screw sleeve; 303. a connecting column; 304. a knife board; 305. a screw rod; 306. a motor; 307. a chute; 308. a blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In a first embodiment, as shown in fig. 1, the utility model comprises a base 1, a fixing mechanism 2 is installed on the top of the base 1, and a shearing mechanism 3 is installed on the fixing mechanism 2.

Specifically, as shown in fig. 2-3, the fixing mechanism 2 includes a placement table 201 fixed on the top of the base 1, a placement groove 202 is provided on the top of the placement table 201, an L-shaped frame 206 is fixedly installed on the top of the placement table 201, a first cylinder 205 is fixedly installed on the inner top wall of the L-shaped frame 206, a lifting plate 204 is fixedly installed on the bottom of the first cylinder 205, a guide plate 2010 is provided on the bottom of the lifting plate 204, a pressing plate 203 is provided under the guide plate 2010, two ejector rods 2013 are symmetrically and fixedly installed on the top of the pressing plate 203, top ends of the two ejector rods 2013 penetrate through the guide plate 2010 and are fixedly provided with ejector blocks 209, the two ejector rods 2013 are movably connected with the guide plate 2010, two springs 2014 are fixedly connected between the pressing plate 203 and the guide plate 2010, the two springs 2014 are respectively and movably sleeved on the outer sides of the two ejector rods 2013, a vertical rod 207 is fixedly installed in the inner part of the L-shaped frame 206, the bottom of the vertical rod 207 is fixed on the top of the placement table 201, the lifting plate 204 is movably sleeved on the outer side of the lifting plate 207, a vertical plate 2011 is fixedly installed on the bottom of the lifting plate 2011, two ejector rods 201208 are symmetrically and fixedly installed on the two sides of the guide plates 2010 are respectively, and two guide rods 2010 are respectively and are fixedly connected with two guide rods 2010 are respectively and far from one side of the two guide rods 2010;

in a use state, firstly, an injection molding piece is placed on the placing groove 202, then the second air cylinder 2012 is started to drive the guide plate 2010 to move along the two guide rods 208 until the pressing plate 203 is positioned right above the injection molding piece, then the first air cylinder 205 is started to drive the lifting plate 204 to vertically move downwards along the vertical rod 207 and drive the guide plate 2010 to move downwards, when the pressing plate 203 is in contact with the injection molding piece to continuously move, the injection molding piece is tightly attached to the pressing plate under the elastic action of the two springs 2014, finally, the injection molding piece is fixed, and the subsequent automatic shearing of the injection molding piece is facilitated.

Specifically, as shown in fig. 4, the shearing mechanism 3 includes a sliding plate 301 located below the lifting plate 204, the sliding plate 301 is movably sleeved on the outer sides of the two guide rods 208, the sliding plate 301 is located on one side, away from the vertical plate 2011, of the guide plate 2010, a knife board 304 is fixedly installed at the bottom of the sliding plate 301, a blade 308 is fixedly installed at the bottom of the knife board 304, a sliding groove 307 is arranged at the bottom of the lifting plate 204, a motor 306 is fixedly installed in the sliding groove 307, a screw rod 305 is fixedly installed on the motor 306, one end, away from the motor 306, of the screw rod 305 is rotatably connected with the inner wall of the sliding groove 307, a screw sleeve 302 is sleeved on the outer side thread of the screw rod 305, and a connecting column 303 is fixedly connected between the screw sleeve 302 and the sliding plate 301;

in the use state, the motor 306 is started firstly to drive the screw rod 305 to rotate, the screw sleeve 302 slides in the chute 307 at this time, then the connecting column 303 drives the slide plate 301 to move along the two guide rods 208 until the blade 308 moves to correspond to the pouring gate, and when the lifting plate 204 moves vertically downwards, the blade 308 is driven to move downwards to shear the pouring gate, and finally the automatic shearing of the pouring gate is completed.

Claims

1. The utility model provides an earphone production injection molding shearing mechanism, includes base (1), its characterized in that: the top of the base (1) is provided with a fixing mechanism (2), and the fixing mechanism (2) is provided with a shearing mechanism (3);

the fixing mechanism (2) comprises a placing table (201) fixed to the top of the base (1), a placing groove (202) is formed in the top of the placing table (201), an L-shaped frame (206) is fixedly arranged at the top of the placing table (201), an air cylinder I (205) is fixedly arranged on the inner top wall of the L-shaped frame (206), a lifting plate (204) is fixedly arranged at the bottom of the air cylinder I (205), a guide plate (2010) is arranged at the bottom of the lifting plate (204), a pressing plate (203) is arranged under the guide plate (2010), two ejector rods (2013) are symmetrically and fixedly arranged at the top of the pressing plate (203), the top ends of the two ejector rods (2013) penetrate through the guide plate (2010) and are fixedly provided with ejector blocks (209), the two ejector rods (2013) are movably connected with the guide plate (2010), two springs (2014) are fixedly connected between the pressing plate (203) and the guide plate (2010), and the two springs (2014) are respectively and movably sleeved on the outer sides of the two ejector rods (2013).

2. The headset production injection molded part shearing device of claim 1, wherein: the inside fixed mounting of L type frame (206) has montant (207), and the top of placing table (201) is fixed in to the bottom of montant (207), and the outside of montant (207) is located in lifter plate (204) movable sleeve.

3. The headset production injection molded part shearing device of claim 1, wherein: the bottom of the lifting plate (204) is fixedly provided with a vertical plate (2011), and a second cylinder (2012) is fixedly arranged between the vertical plate (2011) and the guide plate (2010).

4. A headset production injection molded part shearing apparatus as claimed in claim 3 wherein: two guide rods (208) are symmetrically and fixedly connected to one side, close to the guide plate (2010), of the vertical plate (2011), one ends, far away from the vertical plate (2011), of the two guide rods (208) are fixed to the bottom of the lifting plate (204), and the guide plate (2010) is movably sleeved on the outer sides of the two guide rods (208).

5. The headset production injection molded part shearing device of claim 1, wherein: the shearing mechanism (3) comprises a sliding plate (301) positioned below the lifting plate (204), the sliding plate (301) is movably sleeved on the outer sides of the two guide rods (208), the sliding plate (301) is positioned on one side, far away from the vertical plate (2011), of the guide plate (2010), a knife plate (304) is fixedly arranged at the bottom of the sliding plate (301), and a knife blade (308) is fixedly arranged at the bottom of the knife plate (304).

6. The headset production injection molded shearing apparatus as claimed in claim 5 wherein: the bottom of lifter plate (204) is equipped with spout (307), and the inside fixed mounting of spout (307) has motor (306), and fixed mounting has lead screw (305) on motor (306), and the one end that motor (306) was kept away from to lead screw (305) rotates with the inner wall of spout (307) to be connected, and threaded sleeve (302) have been cup jointed in the outside screw thread of lead screw (305), fixedly connected with spliced pole (303) between threaded sleeve (302) and slide (301).