CN221177932U - Neck hanging earphone glue dripping and encapsulating device - Google Patents

Abstract

The utility model discloses a neck hanging earphone glue dripping and encapsulating device, which comprises a glue dispensing mechanism and a glue dispensing die, wherein the glue dispensing mechanism comprises a glue dispensing table, a glue dispensing head and a moving mechanism, the glue dispensing die comprises a lower die, a first upper die and a second upper die, the lower die forms a first groove matched with the shape of a neck hanging part, the first upper die forms a forming bulge matched with the first groove, and the first upper die and the lower die are matched to form a first glue dripping cavity with a semi-annular cross section between the forming bulge and the first groove; the lower surface of the second upper die forms a second groove matched with the first groove, the first upper die is matched with the lower die so that a second glue dropping cavity which fully wraps the neck hanging part is formed between the first groove and the second groove, the upper surfaces of the first upper die and the second upper die are provided with upper glue dropping holes communicated to the first glue dropping cavity and the second glue dropping cavity, and the moving mechanism drives the glue dropping head to move to the corresponding position of the upper glue dropping hole so as to drop glue to the first glue dropping cavity and the second glue dropping cavity.

Description

Neck hanging earphone glue dripping and encapsulating device

Technical Field

The utility model relates to a rubber coating for a neck hanging machine, in particular to a rubber dripping and coating device for the neck hanging machine.

Background

According to the difference of neck ring material, can divide into stereoplasm neck ring and soft neck ring, stereoplasm neck ring material selects harder plastic shell to be used in charge, wear with the neck ring and skin contact's part wear relatively more uncomfortable, accomodate inconvenient, the advantage is because the material selects stereoplasm plastic, but the design space is wider, the duration is longer, soft neck ring wears the neck ring and skin contact's part is more comfortable relatively, accomodate relatively more conveniently, the shortcoming is limited in present shaping technology, the rubber coating only wraps neck ring part, control box part equipment about with, but the design space has the limitation, duration is shorter relatively, neck ring bluetooth headset uses the scene to require to have better waterproof and sweat resistance ability, present neck ring earphone equipment manufacturing process is regardless of stereoplasm neck ring and soft neck ring, generally all adopt injection moulding mode rubber coating outside the neck ring earphone, this kind of rubber coating mode mould cost is high, the rubber coating of neck ring machine that the present emergency cost is low in need a rubber coating is strong.

Disclosure of utility model

The utility model aims to provide a glue-dripping and rubber-coating device for a neck hanging machine, which uses a low-cost glue-dripping mechanism and a glue-dripping mould to coat glue on the neck hanging machine, and has low cost.

In order to achieve the above purpose, the utility model discloses a dispensing and encapsulating device for a neck hanging earphone, which comprises a dispensing mechanism and a dispensing mould, wherein the dispensing mechanism comprises a dispensing table, a dispensing head arranged above the dispensing table and a moving mechanism for driving the dispensing head to move; the lower surface of second goes up the mould be formed with the second recess of first recess mutually supporting, first last mould with the bed die cooperation is so that form the second of parcel neck string earphone portion between first recess with the second recess and glue the chamber, first last mould with the upper surface of second goes up the mould has respectively to communicate to first glue dropping chamber and second glue dropping chamber go up the glue dropping hole, moving mechanism can drive the glue dropping head removes to go up the corresponding position in glue dropping hole in order to right first glue dropping chamber and second glue dropping chamber glue.

Compared with the prior art, the invention uses the glue dropping die to replace the traditional injection die, and then uses the glue dropping mechanism to glue the glue dropping holes of the glue dropping die so as to finish the low-cost encapsulation outside the neck hanging machine. The rubber dropping die comprises a lower die and two upper dies, and two rubber coating processes of the neck-hung earphone are completed through the respective matching of the lower die and the two upper dies, so that the cost is low, the operation is convenient, and the alignment is easy.

Preferably, a first glue dropping groove communicated with the first glue dropping cavity is formed on one side of the first groove of the lower die, a first lower glue dropping hole opposite to the first glue dropping groove is formed on the lower surface of the first upper die, and the upper glue dropping hole is communicated with the first lower glue dropping hole; the lower surface of the second upper die is provided with a second glue dropping groove communicated with the second glue dropping cavity at one side of the second groove, and a second lower glue dropping hole communicated with the upper glue dropping hole is arranged in the second glue dropping groove of the second upper die. According to the scheme, the glue dropping area in the first working procedure is located on the lower die, glue is convenient to drop into the first glue dropping cavity, the glue dropping area in the second working procedure is located on the upper die, and glue is convenient to drop and fill the second glue dropping cavity.

Specifically, the first glue dropping groove is located at the inner side of the first groove, the second glue dropping groove corresponds to the outer side of the first groove, a buffer groove is further formed in the outer side of the first groove and corresponds to the second glue dropping groove, and a glue dropping buffer cavity communicated with the second glue dropping cavity can be formed between the second glue dropping groove and the buffer groove. The two glue dripping areas are respectively positioned at two opposite sides of the first groove, so that when glue is dripped in the second procedure, the glue dripping areas are prevented from being blocked, the smoothness of glue dripping in the second procedure is ensured, and after the glue dripping in the first procedure forms a bearing piece for bearing the lower half part of the neck hanging part, the bearing piece is not required to be taken out to clean residual glue.

Specifically, the groove depth of the first glue dropping groove gradually becomes shallow towards the direction close to the first groove, and the groove depth of the second glue dropping groove gradually becomes shallow towards the direction close to the second groove, so that glue can flow out conveniently.

Preferably, the area of the upper surface of the lower mold surrounded by the first groove is a convex surface, the area of the lower surface of the first upper mold surrounded by the molding protrusion is a concave surface matched with the convex surface, and the area of the lower surface of the second upper mold surrounded by the second groove is a concave surface matched with the convex surface. The solution makes the area adjacent to the first groove the lowest surface, and reduces the inward flow amount of the adhesive drop.

Preferably, the neck hanging earphone glue dripping and encapsulating device further comprises a first pressing block and a second pressing block, wherein two ends of the first groove correspond to the front ends of the connectors at two ends of the neck hanging part in shape, a first accommodating groove is formed in the outer side of the first pressing block, the first pressing block is clamped on the lower die, and a first positioning groove which is clamped in the first accommodating groove and used for positioning the rear half part of the connectors is formed in the upper surface of the first pressing block; two ends of the second groove are respectively provided with a second accommodating groove corresponding to the front ends of the connectors at two ends of the neck hanging part, and a second positioning groove which is clamped on the second upper die and is clamped in the second accommodating groove and is used for positioning the rear half part of the connector is formed on the lower surface of the second pressing block; the two ends of the forming bulge on the first upper die are respectively provided with an end bulge corresponding to the shape of the connector, the front end of the end bulge is matched and stretched into the two ends of the first groove, and the rear half part is matched and stretched into the first positioning groove. This scheme makes neck string portion can be rubber coating simultaneously with the connector, need not subsequent equipment, and after the rubber coating, fashioned annular sticky tape is in the accessible annular chamber with connector and neck string portion location together effectively.

Specifically, be formed with on the connector centre with the ring channel that first recess has the interval, follow the downside of ring channel extends to the lower spread groove of connector front end, follow the upside of ring channel extends to the last spread groove of connector front end, the connector is located behind first constant head tank and the second constant head tank, first constant head tank, the second constant head tank with form the annular chamber between the ring channel, first constant head tank with form first connecting chamber down between the spread groove, the second constant head tank with form the second connecting chamber down between the spread groove, first connecting chamber intercommunication first glue dropping chamber with the annular chamber, the second connecting chamber intercommunication second glue dropping chamber with the annular chamber. The scheme ensures that the connector and the neck hanging part are tightly connected together by encapsulation, and a rubber ring connected with the neck hanging part is formed at the annular cavity.

Preferably, a matching component which is matched with each other in a concave-convex way is formed between the first pressing block and the second pressing block, and the alignment of the first positioning groove and the second positioning groove is further ensured.

Preferably, an inner glue discharging groove and an outer glue discharging groove are formed on the inner side and the outer side of the first groove respectively, and a large glue discharging groove with a space with the outer glue discharging groove is further formed outside the outer glue discharging groove.

Preferably, the lower mold is provided with N first grooves, N molding protrusions and N second grooves are formed on the first upper mold and the second upper mold respectively, and N is an integer greater than or equal to 2. The scheme can encapsulate a plurality of neck hangers once, and encapsulation efficiency is high.

Preferably, the second groove is recessed inward in the middle of the neck hanging part to form a widened part in the middle of the neck hanging earphone, so that the neck hanging earphone is comfortable to wear.

Drawings

Fig. 1 is a block diagram of a neck hanging earphone glue-dripping and rubber-coating device of the utility model.

Fig. 2 is a block diagram of the dispensing die 20 of the present utility model.

Fig. 3 is an exploded view of the encapsulated neck-mounted earphone of the present utility model.

Fig. 4 is an exploded view of the dispensing die 20 of the present utility model.

Fig. 5 is a structural view of the lower die and the first press block of the present utility model.

Fig. 6 is a structural view of a second upper die and a second compact of the present utility model.

Fig. 7 is a cross-sectional view of a first glue-dropping cavity formed by the cooperation of a first upper die and a lower die of the utility model.

Fig. 8 is a cross-sectional view of a second glue dropping cavity formed after the second upper and lower molds of the utility model are mated.

Detailed Description

In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.

Referring to fig. 1, the utility model discloses a dispensing and encapsulating device 100 of a neck hanging machine, which comprises a dispensing mechanism 10 and a dispensing die 20, wherein the dispensing mechanism 10 comprises a dispensing table 11, a dispensing head 12 arranged above the dispensing table 11 and a moving mechanism 13 for driving the dispensing head 12 to move, and the moving mechanism is an XYZ three-axis conveying mechanism. The dispensing table 11 is provided with a plurality of positioning holes for fixing the dispensing die 20, and the plurality of positioning holes are used for adjusting the specific positions of the dispensing die 20.

Referring to fig. 2 and 4, the dispensing mold 20 includes a lower mold 21, a first upper mold 22, and a second upper mold 23.

Referring to fig. 5, the lower mold 21 is formed with a first groove 211 that is in a form-fit with the neck hanging portion 51 of the neck hanging earphone. Referring to fig. 4, the lower surface of the first upper mold 22 is formed with a molding protrusion 221 which is engaged with the first groove 211. Referring to fig. 7, the first upper die 22 cooperates with the lower die 21 such that the molding protrusion 221 extends into the first recess 211 and forms a first glue dropping cavity 31 having a semi-circular cross section with the first recess 211.

Referring to fig. 6, a second groove 231 which is matched with the first groove 211 is formed on the lower surface of the second upper mold 23, and referring to fig. 4 and 8, the first upper mold 22 is matched with the lower mold 21 so that a second glue dropping cavity 32 which wraps the neck hanging part 51 of the neck hanging earphone is formed between the first groove 211 and the second groove 231.

Referring to fig. 2, the upper surfaces of the first upper mold 22 and the second upper mold 23 have upper dispensing holes 201 communicating to the first dispensing chamber 31 and the second dispensing chamber 32, respectively. The moving mechanism 13 may drive the dispensing head 12 to move and extend into the dispensing slot where the dispensing hole 201 is located, so as to dispense the glue into the first and second dispensing chambers 31 and 32.

Wherein, referring to fig. 5 and 7, the lower mold 21 is formed with a first glue dropping groove 212 communicating with the first glue dropping cavity 31 at one side of the first groove 211, and the first glue dropping groove 212 communicates with the first glue dropping cavity 31 through a slit when the first upper mold 22 and the first lower mold 21 are mated together. A first lower glue hole 202 opposite to the first glue groove 212 is formed on the lower surface of the first upper mold 22, and the upper glue hole 201 communicates with the first lower glue hole 202.

Referring to fig. 6 and 8, the lower surface of the second upper mold 23 is formed with a second glue dropping groove 232 communicating with the second glue dropping cavity 32 at one side of the second groove 231, and the second glue dropping groove 232 communicates with the second glue dropping cavity 32 through a slit when the second upper mold 23 is mated with the first lower mold 21. The second glue groove 232 of the second upper mold 23 has a second lower glue hole 203 therein, which communicates with the upper glue hole 201.

Specifically, the first glue dropping groove 212 is located at the inner side of the first groove 211, the second glue dropping groove 232 corresponds to the outer side of the first groove 211, a buffer groove 213 is further provided at the outer side of the first groove 211 corresponding to the second glue dropping groove 232, and a glue dropping buffer cavity communicating with the second glue dropping cavity 32 is formed between the second glue dropping groove 232 and the buffer groove 213. Wherein, when the second upper die 23 is matched with the first lower die 21, the glue dropping buffer cavity is communicated with the second glue dropping cavity 32 through a gap.

Referring to fig. 7 and 8, the first glue groove 212 has a groove depth gradually shallower in a direction adjacent to the first groove 211, and the second glue groove 232 has a groove depth gradually shallower in a direction adjacent to the second groove 231, so as to facilitate the outflow of glue.

Referring to fig. 5, the area of the upper surface of the lower mold 21 surrounded by the first groove 211 is a convex surface 41, the area of the lower surface of the first upper mold 22 surrounded by the molding protrusion 221 is a concave surface 42 engaged with the convex surface 41, and the area of the lower surface of the second upper mold 23 surrounded by the second groove 231 is a concave surface 43 engaged with the convex surface 41, referring to fig. 4.

Referring to fig. 4, the neck-hung earphone glue-dropping encapsulation device 100 further includes a first pressing block 25 and a second pressing block 26, wherein two ends of the first groove 211 correspond to the front ends of the connectors 52 at two ends of the neck-hung portion 51, and a first accommodating groove is formed on the outer side of the first groove, the first pressing block 25 is clamped on the lower die 21, and a first positioning groove 251 which is clamped in the first accommodating groove and positions the rear half of the connectors 52 is formed on the upper surface of the first pressing block 25; the second grooves 231 are formed at both ends thereof with second receiving grooves corresponding to the front ends of the connectors 52 at both ends of the neck portion 51, and the second pressing block 26 is engaged with the second upper mold 23, and is formed at the lower surface thereof with second positioning grooves 261 engaged in the second receiving grooves and positioning the rear half of the connectors 52. End protrusions 222 corresponding to the shape of the connector 52 are formed at two ends of the forming protrusion 221 on the first upper mold 22, the front end of the end protrusion 222 is matched and extended into two ends of the first groove 211, and the rear half is matched and extended into the first positioning groove 251.

Wherein, a matching component which is matched with each other in a concave-convex way is formed between the first pressing block 25 and the second pressing block 26, and the alignment of the first positioning groove 251 and the second positioning groove 261 is further ensured.

Referring to fig. 3, an annular groove 521 spaced from the first groove 211, a lower connecting groove extending from a lower side of the annular groove 521 to a front end of the connector 52, and an upper connecting groove 522 extending from an upper side of the annular groove 521 to a front end of the connector 52 are formed in the middle of the connector 52, after the connector 52 is positioned in the first positioning groove 251 and the second positioning groove 261, an annular cavity is formed between the first positioning groove 251, the second positioning groove 261 and the annular groove 521, a first connecting cavity is formed between the first positioning groove 251 and the lower connecting groove, a second connecting cavity is formed between the second positioning groove 261 and the upper connecting groove 522, the first connecting cavity is communicated with the first adhesive dropping cavity 31 and the annular cavity, and the second connecting cavity is communicated with the second adhesive dropping cavity 32 and the annular cavity. This arrangement allows the connector 52 and the neck finish 51 to be encapsulated tightly together and forms a ring of glue at the annular cavity that connects with the neck finish 51.

Referring to fig. 5, 7 and 8, an inner glue discharging groove 241 and an outer glue discharging groove 242 are formed on the inner side and the outer side of the first groove 211, and a large glue discharging groove 243 having a distance from the outer glue discharging groove 242 is further formed on the outer side of the outer glue discharging groove 242.

Referring to fig. 4, the lower mold 21 is arranged with N first grooves 211, and the first upper mold 22 and the second upper mold 23 are respectively formed with N molding protrusions 221 and N second grooves 231, where N is an integer equal to or greater than 2. The scheme can encapsulate a plurality of neck hangers once, and encapsulation efficiency is high.

Referring to fig. 5, 8 and 3, the second groove 231 is recessed inward with a widened groove 233 in the middle of the neck hanging portion 51, so that a widened portion 531 is formed in the middle of the neck hanging earphone, and the neck hanging earphone is comfortable to wear.

The operation of the neck headphone drop glue coating device 100 of the present utility model will be described with reference to fig. 1 to 8:

Referring to fig. 1, a lower die 21 is positionally mounted on the dispensing station 11 in a well-aligned position. The first press block 25 is mounted on the lower die 21.

Referring to fig. 7, the first upper die 22 is installed in alignment on the lower die 21 and the first upper die 22 and the lower die 21 are fixed, and the first recess 211 and the molding protrusion 221 are relatively engaged to form the first glue dropping chamber 31 between the first upper die 22 and the lower die 21.

Referring to fig. 1, the moving mechanism 13 is controlled to move the dispensing head 12 to a dispensing slot in which the upper dispensing hole 201 of the first upper mold 22 is located, so that the liquid soft adhesive is dispensed into the upper dispensing hole 201, flows into the first lower dispensing hole 202 from the upper dispensing hole 201, enters the first dispensing groove 212 from the first lower dispensing hole 202, passes through the slit from the first dispensing groove 212 into the first dispensing cavity 31, fills the first dispensing cavity 31, and cools to form a carrier (lower half of the soft sleeve 53) having a semi-annular cross section and capable of carrying the neck hanging portion 51.

The first upper die 22 is removed and the neck finish 51 with the connector 52 mounted is mounted into the semi-annular groove of the carrier such that the carrier carries the neck finish 51 and the front end of the connector 52 is also mounted into the carrier.

Referring to fig. 8, the second upper mold 23 is aligned on the lower mold 21 and the second upper mold 23 and the lower mold 21 are fixed, and the first recess 211 and the second recess 231 are relatively matched to form the second glue dropping cavity 32 between the second upper mold 23 and the lower mold 21.

Referring to fig. 1, the moving mechanism 13 is controlled to move the dispensing head 12 to a dispensing slot where an upper dispensing hole 201 of the second upper mold 23 is located, so that the liquid soft adhesive is dispensed from the upper dispensing hole 201 of the second upper mold 23, flows into a second lower dispensing hole 203 from the upper dispensing hole 201, enters a second dispensing groove 232 from the second lower dispensing hole 203, passes through a gap from a dispensing buffer cavity where the second dispensing groove 232 is located, enters the second dispensing cavity 32, fills the second dispensing cavity 32, the first connecting cavity, the second connecting cavity and the annular cavity, and cools to form a soft sleeve 53 abutting against the carrier and wrapping the front ends of the neck hanging portion 51 and the connecting head 52, a rubber ring 532 integrally formed with the soft sleeve 53 and embedded in the connecting head 52, an upper connecting bridge 533 and a lower connecting bridge 534.

In this embodiment, the soft rubber is silica gel, and of course, the soft rubber may be other materials. The neck hanging part 51 is formed by fixing a core wire and a nickel-titanium memory steel wire coated with hard glue. The connector 52 is made of hard plastic and is used for connecting the earphone part and the neck hanging part of the neck hanging machine.

In the utility model, the first groove 211, the second groove 231 and the forming protrusion 221 are of corresponding arc structures, and are matched with the shape of the neck hanging earphone. The first pressing block 25 and the second pressing block 26 are used for fixing the piece to be encapsulated through the fixing connector 52.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims (10)

1. The utility model provides a neck hangers machine glue dropping rubber coating device which characterized in that: the device comprises a dispensing mechanism and a dispensing die, wherein the dispensing mechanism comprises a dispensing table, a dispensing head arranged above the dispensing table and a moving mechanism for driving the dispensing head to move, the dispensing die comprises a lower die, a first upper die and a second upper die, a first groove matched with a neck hanging part of a neck hanging earphone in shape is formed on the lower die, a forming protrusion matched with the first groove is formed on the lower surface of the first upper die, and the first upper die is matched with the lower die so that the forming protrusion stretches into the first groove and forms a first dispensing cavity with a semi-annular cross section with the first groove; the lower surface of second goes up the mould be formed with the second recess of first recess mutually supporting, first last mould with the bed die cooperation is so that form the second of parcel neck string earphone portion between first recess with the second recess and glue the chamber, first last mould with the upper surface of second goes up the mould has respectively to communicate to first glue dropping chamber and second glue dropping chamber's last glue dropping hole, moving mechanism can drive the point is glued the head and is moved to go up the corresponding position in glue dropping hole in order to right first glue dropping chamber and second glue dropping chamber glue dropping.

2. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 1, wherein: a first glue dropping groove communicated with the first glue dropping cavity is formed on one side of the first groove of the lower die, a first lower glue dropping hole opposite to the first glue dropping groove is formed on the lower surface of the first upper die, and the upper glue dropping hole is communicated with the first lower glue dropping hole; the lower surface of the second upper die is provided with a second glue dropping groove communicated with the second glue dropping cavity at one side of the second groove, and a second lower glue dropping hole communicated with the upper glue dropping hole is arranged in the second glue dropping groove of the second upper die.

3. The neck hanger glue dispensing and encapsulating device as claimed in claim 2, wherein: the first glue dropping groove is positioned at the inner side of the first groove, the second glue dropping groove corresponds to the outer side of the first groove, a buffer groove is further formed in the position, corresponding to the second glue dropping groove, of the outer side of the first groove, and a glue dropping buffer cavity communicated with the second glue dropping cavity is formed between the second glue dropping groove and the buffer groove.

4. The neck hanger glue dispensing and encapsulating device as claimed in claim 2, wherein: the groove depth of the first glue dropping groove gradually becomes shallow towards the direction close to the first groove, and the groove depth of the second glue dropping groove gradually becomes shallow towards the direction close to the second groove.

5. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 1, wherein: the upper surface of the lower die is surrounded by the first groove and is a convex surface, the lower surface of the first upper die is surrounded by the forming protrusion and is a concave surface matched with the convex surface, and the lower surface of the second upper die is surrounded by the second groove and is a concave surface matched with the convex surface.

6. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 1, wherein: the two ends of the first groove correspond to the front ends of the connectors at the two ends of the neck hanging part, a first accommodating groove is formed at the outer side of the first groove, the first pressing block is clamped on the lower die, and a first positioning groove which is clamped in the first accommodating groove and is used for positioning the rear half part of the connector is formed at the upper surface of the first pressing block; two ends of the second groove are respectively provided with a second accommodating groove corresponding to the front ends of the connectors at two ends of the neck hanging part, and a second positioning groove which is clamped on the second upper die and is clamped in the second accommodating groove and is used for positioning the rear half part of the connector is formed on the lower surface of the second pressing block; the two ends of the forming bulge on the first upper die are respectively provided with an end bulge corresponding to the shape of the connector, the front end of the end bulge is matched and stretched into the two ends of the first groove, and the rear half part is matched and stretched into the first positioning groove.

7. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 6, wherein: the connector is positioned behind the first positioning groove and the second positioning groove, an annular cavity is formed between the first positioning groove and the annular groove, a first connecting cavity is formed between the first positioning groove and the lower connecting groove, a second connecting cavity is formed between the second positioning groove and the upper connecting groove, the first connecting cavity is communicated with the first glue dropping cavity and the annular cavity, and the second connecting cavity is communicated with the second glue dropping cavity and the annular cavity.

8. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 6, wherein: and a matching component which is matched with each other in a concave-convex way is formed between the first pressing block and the second pressing block.

9. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 1, wherein: the inner side and the outer side of the first groove are respectively provided with an inner glue discharging groove and an outer glue discharging groove, and a large glue discharging groove with a space with the outer glue discharging groove is further arranged outside the outer glue discharging groove.

10. The neck hanging earphone glue-dripping and encapsulating device as claimed in claim 1, wherein: the lower die is provided with N first grooves in a arrayed mode, N forming protrusions and N second grooves are formed on the first upper die and the second upper die respectively, and N is an integer greater than or equal to 2.