TWI650180B - Liquid material extrusion device and liquid chamber seat clutching method and mechanism thereof - Google Patents

Abstract

The invention relates to a liquid material extrusion device and a method and a mechanism for clutching a liquid chamber seat, comprising: a piezoelectric actuator is provided in a body to link a lever mechanism to drive a valve needle of a valve needle mechanism; a liquid The chamber seat is arranged below the body, the fluid chamber seat is provided with a connecting portion, and a connecting head is provided at the connecting portion for receiving a liquid storage container for containing a liquid material. The fluid chamber seat is provided with a fluid chamber. A valve nozzle seat is provided below, and the valve nozzle seat is provided with a valve nozzle; the valve pushes the liquid material in the liquid chamber to squeeze the liquid material out of the valve nozzle; the liquid chamber seat is provided with a buckle part, The downwardly extending buckle provided by a clutch mechanism in the body can be used for buckling, and the buckle can be operated to be engaged with or separated from the buckling part of the liquid chamber seat so as to correspond to the liquid chamber seat. The body is attached or detached.

Description

Liquid material extrusion device and clutch method and mechanism of liquid chamber seat

The invention relates to a liquid material extrusion device, in particular to a liquid material extrusion device that can be combined with or detached from the body of a mechanism that houses a mechanism that drives the liquid material extrusion, and a method and mechanism for the liquid chamber seat clutch. .

In general, the extrusion of viscous liquid materials is usually provided to the adherend by means of plunger extrusion or screw extrusion. The former uses lower viscosity of the viscous liquid material, and the latter uses higher viscosity. For the former, because of the low viscosity, the extrusion method is often performed in a non-contact manner with the object to be adhered at high speed. For repeated extrusion at high speed, the previous technology has adopted The spring cooperates with the pneumatic piston method to drive the plunger to squeeze the viscous liquid material. There are also electromagnets as the driver for the plunger to squeeze the viscous liquid material. Recently, the piezoelectric method has also become the mainstream.

No matter which driving method is used, the glue stays in the liquid chamber for a period of time. There is often a need to remove the liquid chamber seat of the liquid chamber for cleaning to prevent the glue from blocking. Most of the liquid material extrusion devices use screw screws. The method is to combine the liquid chamber seat with the body of the drive mechanism. Therefore, when disassembling, the screw joint must be removed. At this time, the design of some liquid material extrusion devices may even cause the plastic needle to fall, or Only by disassembling the multiple screw joints can the liquid chamber seat including the liquid chamber be removed, resulting in a time-consuming and labor-intensive operation for the user.

That is, the object of the present invention is to provide a liquid material extrusion device that can be easily operated by a user, that is, the liquid chamber seat can be combined with or detached from the body accommodating the driving mechanism.

Another object of the present invention is to provide a method for clutching a liquid chamber seat using the liquid material extrusion device.

Yet another object of the present invention is to provide a mechanism for clutching a liquid chamber seat using the liquid material extrusion device.

The liquid material extrusion device according to the purpose of the present invention includes: a body provided with a piezoelectric actuator in conjunction with a lever mechanism to drive a valve needle mechanism provided with a valve needle; a liquid chamber A seat is provided below the body. The liquid chamber seat is provided with a connection portion, and a connection head is provided at the connection portion for receiving a liquid storage container for containing a liquid material. The liquid chamber seat is provided with a liquid chamber. A valve nozzle seat is provided below, and the valve nozzle seat is provided with a valve nozzle; the valve of the valve needle mechanism pushes the liquid material in the liquid chamber in the liquid chamber seat to squeeze the liquid material out of the valve nozzle; The liquid chamber seat is provided with a buckling part, which can be used for buckling by a downwardly extending buckle provided by a clutch mechanism in the body, and the buckle is operated to be engaged with the buckling part of the liquid chamber seat or Separate so that the liquid chamber seat is coupled to or detached from the corresponding body.

A method for clutching a liquid chamber seat of a liquid material extrusion device according to another object of the present invention includes using the liquid material extrusion device as described above, wherein the clutch mechanism is a buckle extending downwardly from the body, When pulling from the bottom to the top, the liquid chamber seat is clamped into the buckling part from both sides, so that the body is combined with the liquid chamber seat.

According to another object of the present invention, a method for clutching a liquid chamber seat of another liquid material extrusion device includes using, for example, the liquid material extrusion device, wherein the clutch mechanism is a buckle extending downwardly from the body with a set When the handle is displaced from the top to the bottom, the liquid chamber seat is detached from both sides by detaching the main body from the liquid chamber seat, so as to detach the body from the liquid chamber seat.

According to another object of the present invention, a method for clutching a liquid chamber seat of a liquid material extrusion device includes using the liquid material extrusion device as described above, wherein the clutch mechanism is pivotally connected to a movable pin by a latching switch. A first connection piece and a second connection piece in a bent state are relatively close to each other in a straight line relationship, and the locking of the buckle portion to the buckle portion of the liquid chamber seat is performed.

According to another object of the present invention, a method for clutching a liquid chamber seat of a liquid material extruding device includes using the liquid material extruding device as described above, wherein the clutch mechanism is operated by a rotary switch of a clutch switch to interlock the buckle. It is moved up and down, and the operation of combining and detaching the liquid chamber seat is performed.

The liquid chamber seat clutch mechanism of a liquid material extrusion device according to another object of the present invention includes: a mechanism for performing the method of clutching the liquid chamber seat of the liquid material extrusion device.

The liquid material extrusion device and the liquid chamber seat clutching method and mechanism of the embodiment of the present invention, because the liquid chamber seat is provided with a buckle inserting portion for the buckle provided by the clutch mechanism in the body to be downwardly extended. The liquid chamber seat is operated to be engaged with or disengaged from the button inserting part of the liquid chamber seat, so that the liquid chamber seat is coupled to or detached from the corresponding body, so that the liquid chamber seat can be simple, convenient and rapid. Removed for cleaning.

Please refer to FIGS. 1 and 2. The liquid material extrusion device according to the embodiment of the present invention includes: a body 1, which is a rectangular body corresponding to a narrow side 11 and a wide side corresponding to a side 12; 1 Corresponding to each of the sides formed by the two wider sides 12 is a panel 2; a liquid chamber seat 3 is provided below the body 1, and the liquid chamber seat 3 faces a narrower one of the body 1. The side edge 11 protrudes horizontally from a connecting portion 31 outside the main body 1, and a connecting head 32 is provided on the connecting portion 31 for receiving a liquid storage tank (not shown) for containing a liquid material. The liquid chamber seat A valve nozzle seat 33 is provided below 3, which is provided with a valve nozzle (not shown) for liquid material extrusion; the liquid chamber seat 3 is provided corresponding to the body 1 and the two sides 34 of the panel 2 are respectively provided with one direction. The outwardly-embossed buckle-embedding portions 341 can be respectively provided for a clutch mechanism 4 (FIG. 2) in the main body 1. With the buckle, the buckle 41 is operated to engage or disengage the buckle hole 411 and the buckle portion 341 of the liquid chamber base 3 so that the liquid chamber base 3 is coupled to or detached from the body 1. Among them, the clutch mechanism 4 is provided with a latch switch 42 at the narrower side 11 of the main body 1, and there is an unlock switch 43 and a clutch switch 44 on the periphery of the panel 2; the clutch switch 44 is used to operate two The buckle 41 is engaged with or separated from the buckle portion 341; the lock switch 42 is used to lock when the two buckle 41 is engaged with the buckle portion 341 to prevent the buckling state from being accidentally released and falling off; The unlocking switch 43 is used to release the original locking state.

Please refer to FIGS. 2 and 3, the body 1 is provided with a first chamber 121, a second chamber 122, and a third chamber 123. The first chamber 121 is the largest and longest and is located on one side of the body. The second chamber 122 and the third chamber 123 are located on the other side of the body 1, the second chamber 122 is located on the upper side, and the third chamber 123 is located on the lower side; The lock switch 42 is provided with a first operation area 111 and a second operation area 112 penetrating the second chamber 122. The first operation area 111 is relatively small and relatively upward, and the second operation area 112 is relatively large. It is relatively below.

The first cavity 121 is provided with a piezoelectric actuator 5 formed by a first piezoelectric actuating element 51 and a second piezoelectric actuating element 52 connected in series up and down, wherein the first piezoelectric actuating element 51 is smaller and located above and provides a smaller piezoelectric power, and the second piezoelectric actuating element 52 is larger and located below and provides a larger piezoelectric power; the above the piezoelectric actuator 5 is A fine-tuning element 53 is provided on the main body 1 to adjust the upper and lower positions of the piezoelectric actuator 5 appropriately.

Referring to FIGS. 3 and 4, a lever mechanism 6 is linked below the piezoelectric actuator 5 to drive a valve needle 71 of a valve needle mechanism 7 in the third chamber 123 to the liquid material in the liquid chamber seat 3. Push the liquid material out of the valve nozzle 331 of the valve seat 33; please refer to FIGS. 4 and 5, the first chamber 121, the second chamber 122, and the third chamber 123 are facing the clutch switch 44; An opening is open on one side, and the first chamber 121 is closed toward the other side. Only the second chamber 122 has a hollow opening and the third chamber 123 is provided with a hollow long oval hole. Mouth 124; each buckle 41 near the button hole 411 forms a narrow neck 412 with a narrow width, and a displacement interval 413 is formed on both sides of the neck 412, and the upper edge of each displacement interval 413 is respectively A sliding abutment portion 414 is formed; two sides of the body 1 corresponding to the neck portion 412 of the buckle 41 are respectively formed with a recessed sliding groove 125, and one side of the sliding groove 125 is provided on each side. A protruding abutting portion 126 is located in the displacement section 413, and a sliding surface 127 inclined from the top to the bottom and from the inside to the outside is arranged above the abutting portion 126.

Please refer to FIGS. 4, 6 and 7. The two buckle handles 41 of the clutch mechanism 4 are in the shape of long strips and lie parallel to each other and abut on the side formed by the corresponding two wider sides 12 of the body 1. Two second handles 41 are connected in the third cavity 123 with a first elastic element 415 through the hollow oval opening 124, and two second handles 41 are respectively pivoted to a shaft pin at corresponding ends. The two ends of 441 are controlled and linked by the clutch switch 44. The shaft pin 441 is located in the second chamber 122, and one end of the shaft pin 441 is linked with the clutch switch 44. The two buckle handles 41 face one end of the shaft pin 441. The parts 416 are respectively connected with two ends of the fixing pin 13 arranged in the X-axis direction in the main body 1 by a second elastic element 417, respectively, so that the two buckles 41 receive the driving force of the second elastic element 417 being pulled upward. One end of a first connecting member 442 is pivotally mounted on the shaft pin 441, and the other end and one end of the first connecting member 442 are pivotally mounted on a second pin of a fixing pin 14 on the body 1 in the second chamber 122; The other end of the connecting member 443 is pivotally connected to a movable pin 444.

Please refer to FIGS. 6 and 7. The latch switch 42 includes a pressing handle 421, one end of which is pivoted on the main body 1 and is located on a fixing pin 15 in the second operation area 112. The pressing handle 421 is provided with a buckle hole. 422, and a buckle edge 423 is protruded at the upper edge of the buckle hole 422 on the side of the pressure handle 421 toward the body 1; The latch 431 linked with the lock switch 43 is acted on by an elastic element 425, so that a latching portion 426 protruding in the buckle hole 422 on the pressing handle 421 can maintain a buckle with the buckle edge 423, The upper part of the pressing handle 421 is leaned against the main body 1 and the lock switch 42 is in a closed lock position. The pressing handle 421 between the latching edge 423 and the fixing pin 15 is provided with a pushing member 427, and the pushing A piece 427 is pushed against the end 428 corresponding to the position of the movable pin 444. When the lock switch 42 is in the locked position, except that the two buckles 41 receive the driving force of the second elastic element 417 being pulled upward, the pushing member The pushing end 429 of 427 pushes the position of the movable pin 444 under the action of a set of conical disc-shaped third elastic elements 429, so that the original The pin 444 is pivotally connected to the first connecting piece 442 and the second connecting piece 443 in a bent state, and is relatively close to a straight line relationship. The main body 1 is immovable when the fixed pin 14 is pivoted in the second chamber 122. Under the condition, the first connecting member 442 and the second connecting member 443 are stretched and approached into a linear displacement, which will relatively cause one end of the first connecting member 442 and the two buckles to be commonly pivoted on the shaft pin 441. 41 is driven by the upward driving force. As shown in FIG. 8, the driving force will cause the buckle 41 extending downward from the body 1 to be set from the bottom side to the top side. The liquid chamber base 3 engages the buckle portion 341 by clamping, and the button holes 411 of the two buckle handles 41 are moved up from the buckle portions 341 on both sides of the liquid chamber base 3, as shown in FIG. 9. As shown, the lower part of the buckling part 341 is buckled upward, so that the entire liquid chamber seat 3 and the body 1 are tightly combined and locked.

Please refer to FIGS. 6 and 10. The unlocking switch 43 is linked with the pin 431 to rotate counterclockwise to cause the latching member 424 to compress the elastic element 425, and the latching portion 426 to release the latch on the pressure handle 421. When the edge 423 buckle is closed and locked, under the action of the restoring force of the set of conical disc-shaped third elastic elements 429, the pressure handle 421 will spring open in the opposite direction of the main body 1, so that the pusher 427's The pushing end 428 loses the pushing position of the movable pin 444. At this time, the clutch switch 44 is rotated clockwise to swing the shaft pin 441 to the end of the first connecting member 442, so that The relative relationship between the first connecting piece 442 and the second connecting piece 443 that was originally pivoted by the movable pin 444 into a straight line state is in a bending relationship. One end of the second connecting piece 443 is pivoted to the first connecting piece 443. In the case where the fixing pin 14 on the body 1 in the two chambers 122 cannot be moved up and down at the end of the fixing pin 14 of the second connecting member 443, the bending relationship will be relatively relative to the shaft pin 441 as shown in FIG. 11 The two interlocking handles 41 shown are displaced from top to bottom, and the sliding part 414 of the handle 41 slides through the body. 1 The sliding slope 127 inclined by the abutting portion 126 on both sides of the sliding groove 125 recessed on both sides makes the button hole 411 of the handle 41 from the button engaging portions 341 on both sides of the liquid chamber seat 3 Move down and skim outward to disengage the buckle relationship under the buckle portion 341, and detach the entire liquid chamber seat 3 from the body 1 as shown in FIG.

The liquid material extrusion device and the liquid chamber seat clutching method and mechanism of the embodiment of the present invention, since the liquid chamber seat 3 is provided with a buckling portion 341, which can be extended downward by the clutch mechanism 4 in the body 1 The buckle 41 is buckled, and the buckle 41 is operated to be engaged with or separated from the buckle portion 341 of the liquid chamber base 3 so that the liquid chamber base 3 is coupled to or detached from the main body 1. The liquid chamber seat 3 can be easily and conveniently removed and cleaned.

However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, the simple equivalent changes and modifications made according to the scope of the patent application and the description of the invention, All are still within the scope of the invention patent.

1‧‧‧ Ontology

11‧‧‧ side

111‧‧‧The first operating area

112‧‧‧Second operation area

12‧‧‧ side

121‧‧‧First Chamber

122‧‧‧Second Chamber

123‧‧‧Third Chamber

124‧‧‧ orifice

125‧‧‧chute

126‧‧‧Arrival Department

127‧‧‧Slope

13‧‧‧Fixed pin

14‧‧‧Fixed pin

15‧‧‧Fixed pin

2‧‧‧ Panel

3‧‧‧Liquid chamber seat

31‧‧‧Connection Department

32‧‧‧ connector

33‧‧‧Valve seat

331‧‧‧Valve

34‧‧‧side

341‧‧‧Buckle department

4‧‧‧ clutch

41‧‧‧ Buckle

411‧‧‧ buttonhole

412‧‧‧ neck

413‧‧‧Displacement interval

414‧‧‧Slip Arrival Department

415‧‧‧first elastic element

416‧‧‧End

417‧‧‧Second elastic element

42‧‧‧Latching switch

421‧‧‧Press handle

422‧‧‧ buttonhole

423‧‧‧ buckle edge

424‧‧‧Lock

425‧‧‧elastic element

426‧‧‧Lock

427‧‧‧ Pusher

428‧‧‧Push

429‧‧‧third elastic element

43‧‧‧Unlock switch

431‧‧‧pin

44‧‧‧ Clutch Switch

441‧‧‧ shaft pin

442‧‧‧first connector

443‧‧‧Second connection

444‧‧‧Activity Pin

5‧‧‧ Piezo actuator

51‧‧‧The first piezoelectric actuator

52‧‧‧Second Piezo Actuator

53‧‧‧Fine-tuning element

6‧‧‧ Leverage

7‧‧‧Valve needle mechanism

71‧‧‧ valve needle

FIG. 1 is a schematic perspective view of a liquid material extrusion device in an embodiment of the present invention. FIG. 2 is a schematic exploded perspective view of a liquid material extrusion device in an embodiment of the present invention. FIG. 3 is a schematic side view of a removal panel of a liquid material extrusion device according to an embodiment of the present invention. FIG. 4 is a schematic view of one side of a removal panel of a liquid material extrusion device in the embodiment of the present invention after removing the handle, the liquid chamber seat and the valve seat. Fig. 5 is a schematic view of the other side of the removal panel of the liquid material extrusion device in the embodiment of the present invention. Fig. 6 is a schematic perspective view of the clutch mechanism in the embodiment of the present invention. FIG. 7 is a schematic diagram when a lock is performed in the embodiment of the present invention. FIG. 8 is a schematic diagram (1) of the displacement of the buckle when locked in the embodiment of the present invention. FIG. 9 is a schematic diagram of displacement of the handle (2) during locking in the embodiment of the present invention. FIG. 10 is a schematic diagram when the lock is released in the embodiment of the present invention. FIG. 11 is a schematic diagram of displacement of the handle (1) when the lock is released in the embodiment of the present invention. FIG. 12 is a schematic diagram of displacement of the handle (2) when the lock is released in the embodiment of the present invention.

Claims (19)

A liquid material extrusion device includes: (1) a body, which is provided with a piezoelectric actuator in conjunction with a lever mechanism to drive a valve needle mechanism; the valve needle mechanism is provided with a valve needle; a liquid chamber seat is provided at Below the body, the liquid chamber seat is provided with a connecting portion, and a connecting head is provided at the connecting portion for receiving a liquid storage tank for containing a liquid material. The liquid chamber seat is provided with a liquid chamber and is provided below. There is a valve nozzle seat, and the valve nozzle seat is provided with a valve nozzle; the valve of the valve needle mechanism pushes the liquid material in the liquid chamber in the liquid chamber seat to squeeze the liquid material out of the valve nozzle; the liquid chamber seat A buckle insert is provided, which can be used to buckle the buckle provided downward by a clutch mechanism in the body, and the buckle can be operated to be engaged with or separated from the buckle of the liquid chamber seat, so that The liquid chamber seat is coupled or detached from the body. For example, the liquid material extrusion device described in item 1 of the patent application scope, wherein the body is a rectangular body corresponding to a narrow side and the other corresponding wide side, and the body is formed by corresponding to two wider sides. Each side is covered with a panel. For example, the liquid material extrusion device described in item 1 of the patent application scope, wherein the clutch mechanism is provided with a latch switch, an unlock latch switch, and a clutch switch on the body; the clutch switch is used to operate two buckles and the buckle. The latching switch is used for locking when the two buckle handles are engaged with the buckling part; the unlocking switch is used for releasing the original locking state. For example, the liquid material extrusion device according to item 3 of the scope of patent application, wherein the clutch mechanism is provided with the latch switch at a narrower side of the body, and the panel is provided with the unlock latch and the clutch switch. The liquid material extrusion device according to item 4 of the scope of patent application, wherein the body is provided with a first chamber, a second chamber, and a third chamber; wherein the first chamber is the largest and longest and is located in the body On the middle side, the second chamber and the third chamber are located on the other side of the body, the second chamber is located on the upper side and the third chamber is located on the lower side; the narrower side of the body is located on the latch switch. The setting place is provided with a first operation area and a second operation area which penetrate the second chamber, wherein the first operation area is relatively small and relatively located above, and the second operation area is relatively large and relatively located below. For example, the liquid material extrusion device according to item 1 of the scope of patent application, wherein the two sides of the liquid chamber seat corresponding to the body are respectively provided with an outwardly-embossed buckling part for the clutch mechanism in the body. The two buckle handles provided with buckle holes are buckled, and the buckle handles are operated to buckle or separate the buckle holes from the buckle insertion portions of the liquid chamber seat. According to the liquid material extrusion device described in item 6 of the patent application scope, wherein the buckle handle forms a neck with a narrow width near the buckle hole, so that a displacement interval is formed on each side of the neck, and A sliding abutment portion is formed on each of the upper edges of the two displacement sections; a recessed chute is formed on each side of the body corresponding to the neck portion of the buckle, and two sides of the chute are provided on each side. A protruding abutment portion is located in the displacement section, and a sliding surface inclined from top to bottom and from inside to outside is arranged above the abutment portion. For example, the liquid material extrusion device according to item 6 of the scope of the patent application, wherein the two buckles of the clutch mechanism are formed in a strip shape and are arranged parallel to each other and abut against the two wider sides of the body. At the side, the two buckle handles are connected by a first elastic element through an opening, and the two buckle handles are respectively pivoted to the two ends of a shaft pin with corresponding ends, and are controlled by a clutch switch to be linked. One end of the shaft pin is linked with the clutch switch. The liquid material extrusion device according to item 8 of the scope of patent application, wherein the ends of the two buckle handles facing one end of the shaft pin are respectively provided with a second elastic element and two ends of a fixing pin pivotally disposed in the body. The two buckles are respectively connected, so that the two buckles receive the driving force of the second elastic element being pulled upward. The liquid material extrusion device according to item 9 of the scope of patent application, wherein one end of a first connecting member is pivotally arranged on the shaft pin, and the other end and one end of the first connecting member are pivotally fixed on a fixing pin on the body. The other end of a second connecting member is pivotally connected to a movable pin. For example, the liquid material extrusion device according to item 10 of the patent application scope, wherein the clutch mechanism is provided with a lock switch and an unlock lock switch, the lock switch includes a pressure handle, one end of which is pivotally mounted on the body, and the pressure handle A latching edge is provided thereon; a latching portion of a latching member linked to the unlocking switch is maintained to be latched or not latched with the latching edge, so that the latching switch is in a locked state or an unlocked position status. According to the liquid material extrusion device according to item 11 of the scope of patent application, wherein the pressing handle between the buckle edge and the fixed pin is provided with a pusher, and the pusher is pushed against the end corresponding to the movable pin. . For example, the liquid material extrusion device according to item 12 of the patent application scope, wherein the two buckle handles bear the driving force of a second elastic element being pulled upward, and the pushing end of the pushing member is on a third elastic element. Push the part of a movable pin under the action. The liquid material extrusion device according to item 1 of the scope of the patent application, wherein the piezoelectric actuator is formed by a first piezoelectric actuating element and a second piezoelectric actuating element connected in series, wherein the first The piezoelectric actuating element is smaller and located above and provides a smaller piezoelectric power, and the second piezoelectric actuating element is larger and located below and provides a larger piezoelectric power. A method for clutching a liquid chamber of a liquid material extrusion device, using the liquid material extrusion device according to any one of claims 1 to 14, wherein the clutch mechanism is extended downwardly from the body with the setting When the buckle is pulled from the bottom to the top, the liquid chamber seat is clamped and inserted into the buckle part from both sides, so that the body is combined with the liquid chamber seat. A method for clutching a liquid chamber of a liquid material extrusion device, using the liquid material extrusion device according to any one of claims 1 to 14, wherein the clutch mechanism is extended downwardly from the body with the setting When the buckle handle is displaced from top to bottom, the liquid chamber seat is detached from both sides by detaching from the buckle part to detach the body from the liquid chamber seat. A method for clutching a liquid chamber seat of a liquid material extrusion device, using the liquid material extrusion device according to any one of claims 1 to 14, wherein the clutch mechanism operates on a movable pin pivot with a latching switch. A first connection piece and a second connection piece which are in a bent state are relatively close to each other in a straight line relationship, and the latching portion of the latching portion of the liquid chamber seat is locked. A method for clutching a liquid chamber of a liquid material extrusion device, using the liquid material extrusion device according to any one of claims 1 to 14, wherein the clutch mechanism is operated by a rotary switch of a clutch switch, and is linked The buckle is moved up and down, and the liquid chamber seat is combined and detached. A liquid chamber seat clutch mechanism of a liquid material extrusion device includes a mechanism for performing the liquid chamber seat clutch method of a liquid material extrusion device according to any one of claims 16 to 18.