TWI742998B - Liquid material extrusion device and operation method thereof - Google Patents

Abstract

A liquid material extruding device and an operation method thereof. The liquid material extruding device is suitable for being connected to a liquid storage cylinder containing liquid material, and comprises: a main body; a liquid chamber seat; The main body also has two lock switches that can be clamped on the liquid chamber seat to close the main body and the liquid chamber seat, and an unlock switch that can operate the lock switch to separate the main body from the liquid chamber seat Switch; characterized in that: the unlocking switch is arranged on the locking switch. Thereby, the lock switch and the unlock switch can be conveniently operated.

Description

Liquid material extrusion device and operation method thereof

The invention relates to a liquid material extrusion device, in particular to a liquid material extrusion device in which a liquid chamber seat and a main body containing a liquid material extrusion mechanism can be combined or separated, and an operation method thereof.

Generally, the liquid material extrusion device extrudes the viscous liquid material. There are roughly the plunger extrusion method and the screw extrusion method. The plunger extrusion method is suitable for the viscous liquid material with lower viscosity, and the screw extrusion method The method is suitable for viscous liquid materials with higher viscosity. In the case of plunger extrusion, because the viscosity of the liquid material is low, the high-speed spray method is usually used to spray the liquid material on the object to be adhered. In order to achieve high-speed repeated extrusion, the prior art uses a spring with a pneumatic piston. To drive the plunger, there are also electromagnets used as the plunger to squeeze out the viscous liquid material. In recent years, the use of piezoelectric drive has gradually become the mainstream.

Regardless of the driving method, after the viscous liquid material stays in the liquid chamber for a period of time, there is often a need to remove the liquid chamber seat for cleaning to prevent clogging. However, the current liquid chamber seat and the accommodating liquid material extrusion mechanism The disassembling structure between the main body is complicated, some need to use tools to disassemble the screw connection between the liquid chamber seat and the main body, and most of them cannot be dismantled by one-handed operation.

Therefore, the object of the present invention is to provide a liquid material extrusion device that can solve at least one of the problems of the prior art.

Therefore, the liquid material extruding device of the present invention is suitable for connecting to a liquid storage cylinder containing liquid material, and includes: a main body; A valve body arranged on the seat body for containing liquid material, and a connecting piece arranged on the seat body and used for communicating with the liquid storage cylinder to guide the liquid material to the valve body; a liquid material extrusion mechanism, It is arranged in the main body and can be driven to squeeze out the liquid material in the valve body; and one is arranged in the main body and has two buckles that can be clipped on the seat body to close the body and the seat body The lock switch, and an unlock switch that can operate the lock switch to separate the main body from the liquid chamber seat; the feature is that the unlock switch is arranged on the lock switch.

Another object of the present invention is to provide a method of operating a liquid material extrusion device that can solve at least one of the problems of the prior art.

Therefore, the operating method of the liquid material extrusion device of the present invention includes: providing a main body and a liquid chamber seat arranged below the main body. Wide side; provide a lock switch that is arranged on the main body and two buckles that can clamp the liquid chamber seat to close the main body and the liquid chamber seat, and a lock switch that can operate the main body and the liquid chamber seat The unlocking switch for the separation of the chamber seat; it is characterized in that the locking and unlocking operations are performed by the main body One of the narrow sides executes the lock switch and the unlock switch.

Another object of the present invention is to provide a liquid material extrusion device that can solve at least one of the problems of the prior art.

Therefore, the liquid material extrusion device of the present invention includes a device for performing the aforementioned operation method.

The effect of the present invention is that by integrating the design of the mechanism for controlling whether the liquid chamber seat is closed on the main body, the locking switch and the unlocking switch can be conveniently operated.

100: Liquid material extrusion device

2: main body

21: narrow side

22: wide side

23: installation space

24: inner wall body

25: Inlaid buckle edge

3: Liquid chamber seat

31: Block

311: Seat body

312: buckle convex

313: Extrapolation Bevel

32: connecting piece

33: Valve body

331: Valve nozzle

4: Liquid material extrusion mechanism

41: Piezo Actuator

42: Leverage Module

5: Clutch mechanism

6: Locking switch

61: Buckle

611: Long Slot

612: Buttonhole

62: Transmission module

621: Axle pin

622: plug end

623: The first connector

624: fixed pin

625: second connector

626: activity sale

627: elastomer

63: Push module

631: pressure handle

632: push

633: pivot end

634: push

635: Insert shaft part

64: The first elastic part

65: putter

66: second elastic part

7: Unlock switch

71: Cards

711: pressing part

712: card switch

72: Flexible drive

8: Clutch switch

81: fixed seat

810: Guide groove

82: Press

83: top support

831: press

832: Expansion

84: Torsion elastic part

9: Cover

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: Figure 1 is a perspective view of an embodiment of the liquid material extrusion device of the present invention; Figure 2 is a perspective exploded view of this embodiment Figure, two cover plates are omitted in the figure; Figure 3 is a front cross-sectional view of this embodiment, and illustrates that a pressing handle is in a locked position, and a transmission module is in an extended state; Figure 4 is a front view of this embodiment , The figure omits the cover, and illustrates the situation that a liquid chamber seat is closed under a body; Figure 5 is a perspective exploded view of a clutch mechanism of this embodiment; Figure 6 is an incomplete front sectional view of this embodiment, and Indicates that the pressure handle is located in a solution Locked position, and the transmission module is in a zigzag state; Figure 7 is a front view of this embodiment, the cover plate is omitted in the figure, and the liquid chamber seat and the body are unclosed; Figure 8 is similar Fig. 6 is a view illustrating the situation when an unlocking switch is operated and separated from the body; Fig. 9 is a perspective cross-sectional view of the embodiment; Fig. 10 is a plan view of the clutch switch of the embodiment; Fig. 11 is the difference of the embodiment A complete right side cross-sectional view, illustrating the two buckle clamps buckling the liquid chamber seat; Figure 12 is a view similar to Figure 11, illustrating the situation that the buckle is driven out of the liquid chamber seat; and Figure 13 is similar Figure 12 is a view illustrating the situation when the liquid chamber seat is pushed up to open the buckle.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

Referring to Figures 1, 2, and 3, an embodiment of the liquid material extruding device 100 of the present invention is suitable for connecting to a liquid storage cylinder (not shown) that stores liquid material. The liquid material extruding device 100 is provided with a main body 2, and one is arranged under the main body 2 and is used to connect the storage The liquid chamber seat 3 of the liquid cylinder, a liquid material extrusion mechanism 4 provided in the main body 2, a clutch mechanism 5 provided in the main body 2 and detachably connected to the liquid chamber seat 3, and two separately provided Cover plates 9 on the front and rear sides of the main body 2.

The main body 2 is in the shape of a rectangular body, with two narrow sides 21 extending up and down and corresponding to the left and right, and two wide sides 22 extending up and down and corresponding to the front and rear, and the narrow side 21 on the left side is recessed with an installation space 23 The main body 2 has an inner wall body 24 that defines the right side edge of the installation space 23, and an embedding edge 25 exposed in the installation space 23.

The liquid chamber seat 3 is provided with a seat body 31, a connecting piece 32 arranged on the seat body 31 and connected to the liquid storage cylinder, and a connecting piece 32 arranged on the seat body 31 and connected to the connecting piece 32. The valve body 33 for accommodating the liquid material has a valve nozzle 331 exposed on the bottom surface of the seat body 31 to eject the liquid material in the past. The seat body 31 is provided with a seat body portion 311 which abuts against the bottom of the body 2 upwardly, and two buckle convex portions 312 respectively protruding from the front and rear sides of the seat body portion 311. Each buckle convex portion 312 has an outward inclined surface 313 extending obliquely from top to bottom and away from the seat body portion 311.

In this embodiment, the liquid material extrusion mechanism 4 is provided with a piezoelectric actuator 41 and a lever module 42 arranged in the main body 2. The piezoelectric actuator 41 can be controlled and activated to drive the lever module 42 downward, so that the lever module 42 drives the valve body 33 downward to eject the contained liquid material downward through the valve nozzle 331. Since there are many types of liquid material extrusion mechanisms 4 used to drive the valve body 33 to eject, it is not implemented in the manner described above. Is limited.

Referring to Figures 3, 4, and 5, the clutch mechanism 5 is provided with a lock switch 6 installed on the main body 2 and detachably connected to the liquid chamber seat 3, an unlock switch 7 provided on the lock switch 6, and A clutch switch 8 provided on the main body 2.

The lock switch 6 is provided with two buckles 61 that are arranged in the main body 2 at intervals and protrude downward from the bottom end of the main body 2 to be clamped on the liquid chamber seat 3. One is installed in the main body 2 and connected. The transmission module 62 between the buckle 61, a pressing module 63 installed on the narrow side 21 on the left side of the main body 2 and connected to the transmission module 62, and a pressing module 63 elastically connected to the buckle 61 The first elastic member 64 between the middle sections, a push rod 65 bridged between the top ends of the buckle 61, and a second elastic member 66 elastically supported between the main body 2 and the push rod 65 up and down.

Each buckle 61 has a long slot 611 extending forward and backward at its top end and extending up and down, and a buckle hole 612 extending forward and backward at its bottom end and exposed below the main body 2. The two bottom ends of the buckle 61 protruding from the bottom of the main body 2 are clamped on the seat body 311 in front and rear directions, and the buckle holes 612 are respectively buckled on the buckle convex portions 312. The first elastic member 64 has an elastic force that drives the buckle 61 to clamp the liquid chamber seat 3 back and forth, and the second elastic member 66 has an elastic force that elastically pushes the buckle 61 downward relative to the main body 2.

The transmission module 62 is located in the installation space 23, and is provided with a shaft interposed between the buckle 61 and axially inserted into the long slot 611 of the buckle 61. A pin 621, a first connecting member 623 rotatably sleeved on the shaft pin 621 with its top end, a fixing pin 624 fixed to the main body 2 in the front and rear axial direction, and a first connecting piece 624 rotatably sleeved with its bottom end. A second connecting member 625 arranged outside the fixed pin 624, a movable pin 626 extending axially forward and backward and pivotally connected between the bottom end of the first connecting member 623 and the top end of the second connecting member 625, And an elastic body 627 that elastically abuts between the main body 2 and the movable pin 626 in left and right directions. And the transmission module 62 can be driven by the pressing module 63 to change between an extended state and a tortuous state, and then the buckle 61 is respectively driven to drive the liquid chamber seat 3 and the main body 2 to close and separate.

The shaft pin 621 has two plug-in ends 622 respectively inserted into the elongated slot 611 of the buckle 61 so as to be axially displaceable. Each plug-in end 622 abuts against the top edge of the corresponding long slot 611 toward the upper limit, and its vertical cross-sectional diameter is smaller than the vertical length of the corresponding long slot 611. The elastic body 627 applies an elastic thrust to the movable pin 626 to the left.

Referring to Figures 3, 6, and 7, when the transmission module 62 is in the extended state (as shown in Figure 3), the movable pin 626 leans to the right toward the inner wall 24, and the elastic body 627 is elastically contracted. In addition, the first connecting member 623 and the second connecting member 625 are slightly inclined to the left and up and down. At this time, the buckle 61 will be driven by the transmission module 62 to drive the liquid chamber seat 3 upward to be closed and positioned below the main body 2.

When the transmission module 62 changes from the stretched state to the zigzag state (as shown in FIG. 6), the movable pin 626 is pushed leftward by the elastic body 627 away from the inner wall body 24. The first connecting piece 623 and the second connecting piece 625 are linked to pivot to the left to form an inverted V shape with an opening facing up and down extending obliquely to the left. Since the fixing pin 624 is fixed to the main body 2, Therefore, the movable pin 626 will drive the shaft pin 621 to move down relative to the main body 2 via the first connecting member 623, and at the same time, the second elastic member 66 will also elastically move the buckle down relative to the main body 2 61, and then drive the buckle 61 to move down relative to the main body 2, so that the buckle 61 drives the liquid chamber seat 3 to move down and out of the main body 2, but the buckle 61 will still be clamped in the liquid chamber respectively The buckle convex portion 312 of the seat 3 prevents the liquid chamber seat 3 from directly falling down (as shown in FIG. 7).

The pressing module 63 is arranged on the narrow side 21 on the left side of the main body 2 and is provided with a pressing handle 631 that extends up and down and is pivotally connected to the main body 2 with its bottom end in the front and rear axial directions. The pressing handle 631 protrudes to the right and is radially inserted into the pushing member 632 of the movable pin 626. The pressing handle 631 can be operated to change between a locked position leaning against the narrow side surface 21 and an unlocking position swinging outward away from the narrow side surface 21. The pushing member 632 has a pivotal end 633 pivotally connected to the pressing handle 631, and a pushing portion 634 that extends rightward from the pivotal end 633 into the installation space 23 and pushes against the movable pin 626. , And an inserting shaft portion 635 extending from the end of the pushing portion 634 to the right and passing through the movable pin 626 radially.

When the pressing handle 631 is in the locked position (as shown in FIG. 3), the pressing handle 631 will drive the pushing member 632 to push the movable pin 626 of the transmission module 62 to the right, forcing the transmission module 62 Position in this stretched state. When the pressing handle 631 comes from the locked position When pivoting to the unlocked position (as shown in FIG. 6), the pressing handle 631 will drive the pushing member 632 to swing to the left. At this time, the elastic body 627 of the transmission module 62 will be relative to the main body 2 The movable pin 626 is elastically pushed to the left, and the second elastic body 627 elastically pushes the shaft pin 621 downward through the buckle 61, and the transmission module 62 changes from the extended state to the zigzag state.

Referring to Figures 3, 6, and 8, the unlocking switch 7 has a locking member 71 pivotally connected to the pressing handle 631 in the front and rear and spaced above the pushing member 632, and a locking member 71 and The elastic driving member 72 between the pressing handle 631. The latch 71 has a pressing portion 711 located on the left side of its axis, and a hook-shaped latch portion 712 located on the right of its axis. The elastic driving member 72 elastically abuts between the pressing portion 711 and the pressing handle 631 from left to right, and has an elastic force that drives the latching portion 712 of the latching member 71 to pivot downward relative to the pressing handle 631.

When the pressing handle 631 is in the locked position, the locking portion 712 of the locking member 71 will be driven by the elastic driving member 72 to pivot downward to buckle the buckle edge 25 of the main body 2 so that The pressing handle 631 is positioned at the locked position. When the pressing portion 711 of the latch 71 is pressed, the latch 71 pivots relative to the pressing handle 631 and drives the latch 712 to swing upward and away from the buckle edge 25. At this time, the pressing handle The 631 can be pushed to the left by the transmission module 62 to pivotally change to the unlocked position.

5, 9, 10, the clutch switch 8 is provided with a fixing seat 81 arranged on the narrow side 21 on the left side of the main body 2, and two fixed seats are installed at intervals from front to back. The pressing member 82 of the seat 81, two horizontally crossing top support members 83 pivoted on the main body 2 and abutting against the opposite sides of the pressing member 82, and one set between the main body 2 and the top support 83 The torsion elastic member 84.

The fixing seat 81 is spaced below the pressing module 63 and has a guide groove 810 extending back and forth. The pressing member 82 is embedded in the guide groove 810 and is exposed on the wide side of the main body 2 respectively. 22. It can be pressed back and forth to move toward each other along the guide groove 810. Each top support member 83 has a pressing portion 831 that abuts against the corresponding pressing member 82, and an expansion portion 832 that is used to abut the corresponding buckle 61, and the torsion elastic member 84 is opposed to the top The supporting member 83 exerts a torsional elastic force to drive the top supporting member 83 to swing against the pressing member 82 with the pressing portion 831 back and forth, respectively.

10, 11, 12, when the pressing member 82 is pressed forward and backward, the pressing member 82 will drive the pressing portion 831 of the top support member 83 to pivot forward and backward, so that the The expansion part 832 of the top support member 83 is pivoted out front and back, and pushes the buckle 61 back and forth, driving the buckle 61 to face the shaft pin 621 (shown in FIG. 5). The back swings away from the buckle convex portion 312 of the liquid chamber seat 3, and the liquid chamber seat 3 is released.

Referring to FIGS. 2, 7, and 8, the method for separating the main body 2 and the liquid chamber seat 3 of the liquid material extruding device 100 of the present invention is to operate the latch 71 of the unlocking switch 7 to drive the latch The member 71 is separated from the buckle edge 25 of the main body 2. At this time, the elastic body 627 of the transmission module 62 pushes the movable pin 626 to the left, and the second elastic member 66 The buckle 61 and the shaft pin 621 will also be pushed down, thereby driving the transmission module 62 to change from the extended state to the zigzag state, and push the pusher 632 to the left relative to the main body 2, and the transmission The pressing handle 631 of the lock switch 6 pivotally changes to the unlocked position. In addition, the buckle 61 will also be driven by the transmission module 62 to move down relative to the main body 2 and drive the liquid chamber seat 3 down The main body 2 is separated to release the closed state.

10, 12, then, operate the pressing member 82 of the clutch switch 8 to drive the top support member 83 to push the buckle 61 away from the buckle convex portion 312 of the liquid chamber seat 3 , The disassembly of the main body 2 and the liquid chamber seat 3 is completed.

Refer to Figures 2, 11, and 13, and when the liquid chamber seat 3 after cleaning and maintenance is to be reinstalled on the main body 2, the outer inclined surface 313 of the buckle convex portion 312 of the liquid chamber seat 3 Align the bottom end of the buckle 61 upward, and move the liquid chamber seat 3 upward relative to the buckle 61. The outward pushing inclined surface 313 will force the buckle 61 to stretch out back and forth. When the buckle protrusion 312 moves up to align with the buckle holes 612 of the buckle 61, the first elasticity The member 64 drives the buckle 61 to swing back and forth to clamp the buckle convex portion 312 of the liquid chamber seat 3.

Then, the pressing handle 631 is pushed and pivoted to the locked position, and the pushing member 632 is driven to drive the transmission module 62 to the extended state, and the buckle 61 is driven to drive the liquid chamber seat 3 upward to be closed at The main body 2 below. Then, the latch 71 of the unlocking switch 7 is hooked and positioned on the main body 2, and the liquid chamber seat 3 and the main body 2 are closed and positioned.

In summary, through the structural design of setting the lock switch 6 on the narrow side 21 of the main body 2 and the unlocking switch 7 on the lock switch 6, it is possible to control whether the liquid chamber seat 3 is closed or not. The mechanism of the main body 2 is integratedly arranged on the narrow side 21 of the main body 2, and the lock switch 6 can be conveniently operated by one hand to drive the clasp 61 to close the liquid chamber seat 3 to the main body 2, and operate with one hand The unlocking switch 7 drives the pressing handle 631 of the locking switch 6 to the unlocked position, and the transmission of the buckle 61 drives the liquid chamber seat 3 downwardly and away from the main body 2, and makes the liquid chamber seat 3 still It is clamped between the buckle handles 61 and will not fall off immediately, which facilitates the subsequent operation of the clutch switch 8 with one hand to drive the buckle handle 61 to release the liquid chamber seat 3. Therefore, the liquid material extrusion device 100 in this case is indeed a very innovative creation, and can achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.

100: Liquid material extrusion device

2: main body

21: narrow side

22: wide side

3: Liquid chamber seat

31: Block

311: Seat body

312: buckle convex

313: Extrapolation Bevel

32: connecting piece

33: Valve body

4: Liquid material extrusion mechanism

41: Piezo Actuator

42: Leverage Module

5: Clutch mechanism

6: Locking switch

61: Buckle

611: Long Slot

612: Buttonhole

62: Transmission module

63: Push module

631: pressure handle

632: push

633: pivot end

7: Unlock switch

71: Cards

711: pressing part

8: Clutch switch

81: fixed seat

82: Press

Claims (13)

A liquid material extruding device is suitable for connecting to a liquid storage cylinder containing liquid material, and includes: a main body; The seat body is used to contain the valve body of the liquid material, and a connecting piece arranged on the seat body and used to communicate with the liquid storage tube to guide the liquid material to the valve body; a liquid material extrusion mechanism is arranged on the The main body can be driven to squeeze out the liquid material in the valve body; and one is arranged on the main body and has two buckles that can be clamped on the liquid chamber seat to close the main body and the liquid chamber seat A lock switch and an unlock switch capable of operating the lock switch to separate the main body from the liquid chamber seat; the feature is that the unlock switch is arranged on the lock switch. The liquid material extrusion device according to claim 1, wherein the lock switch is provided with a first elastic member elastically connected between the buckle handles, and a first elastic member at its two ends for the buckle handles to be pivotable. A shaft pin arranged to be displaced in a direction direction, and a second elastic member which is installed on the main body and elastically pushes the buckle downward. The liquid material extrusion device according to claim 2, wherein the lock switch is provided with a first connector whose one end is pivotally connected to the shaft pin, a fixed pin provided on the main body, and one whose one end is pivotally connected. A second connecting piece on the fixing pin, and a pivotal connection on the other end of the first connecting piece with the second connecting piece The movable pin between the other end of the piece. The liquid material extrusion device according to claim 3, wherein the lock switch is provided with a pressing handle pivotally connected to the main body with one end thereof, and a pressing handle which is arranged on the pressing handle and abutting against the pressing part with one of the pressing handles. The pushing member of the movable pin, the pressing handle can be operated to drive the pushing member to push the movable pin, and the buckle is driven to close the main body and the liquid chamber seat. The liquid material extrusion device according to claim 4, wherein the pushing member is provided with a pivotal end portion opposite to the pushing portion and pivotally connected to the pressing handle. The liquid material extrusion device according to claim 4, wherein the pushing member is provided with an inserting shaft portion protruding from the pushing portion and radially inserted into the movable pin. The liquid material extrusion device according to claim 4, wherein the lock switch is provided with an elastic body which is arranged between the movable pin and the main body and provides a reverse elastic force opposite to the thrust of the pushing member. The liquid material extrusion device according to claim 4, wherein the unlocking switch is provided on the pressing handle, and the unlocking switch can be operated to release the pushing member from pushing against the movable pin, so that the The movable pin drives the buckle to separate the liquid chamber seat from the main body to release the closure. The liquid material extrusion device according to claim 8, wherein the unlocking switch is provided with a detent member pivoted on the pressing handle, the detent member having a pressing portion and a detent portion, the detent portion It can be detachably buckled on an embedded buckle edge of the main body. The liquid material extrusion device according to claim 9, wherein the unlocking switch is provided with a switch provided between the pressing handle and the pressing portion, so that the latching member An elastic member subjected to pivoting force. An operating method of a liquid material extruding device includes: providing a main body and a liquid chamber seat arranged below the main body, the main body is in the shape of a rectangular body, and has two relatively narrow sides and two relatively wide sides; Provided is a lock switch that is arranged on the main body and is closed with two buckles that can clamp the liquid chamber seat, and a lock switch can be operated to separate the main body and the liquid chamber seat The unlocking switch is characterized in that: the locking and unlocking operations are performed by one of the narrow sides of the main body to the locking switch and the unlocking switch. The method for operating a liquid material extrusion device according to claim 11, wherein when the buckle is driven to change the main body and the liquid chamber seat from closed to separated, the buckle is subjected to a downward elastic force. The liquid chamber seat is driven to separate the main body. A liquid material extrusion device, comprising: a device for executing the operation method of the liquid material extrusion device according to any one of claims 11 to 12.

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