CN115025930A - High-precision vacuum dispensing equipment - Google Patents
High-precision vacuum dispensing equipment Download PDFInfo
- Publication number
- CN115025930A CN115025930A CN202210500305.3A CN202210500305A CN115025930A CN 115025930 A CN115025930 A CN 115025930A CN 202210500305 A CN202210500305 A CN 202210500305A CN 115025930 A CN115025930 A CN 115025930A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- strip
- door
- hole
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C15/00—Enclosures for apparatus; Booths
Landscapes
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Sealing Devices (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses high-precision vacuum dispensing equipment, wherein a door opening is formed in a vacuum chamber body, linear guide rails are respectively arranged on the vacuum chamber body positioned on the left side and the right side of the door opening, a guide strip is arranged between the linear guide rails and a door frame, a groove corresponding to a guide bearing is formed in the front surface of the guide strip, a sliding block is connected with the door frame through a connecting block and a pin shaft, one end of the connecting block is connected with the sliding block, a strip-shaped groove which is obliquely arranged is formed in the side end face of the other end of the connecting block, an included angle formed between the oblique direction of the strip-shaped groove and the motion direction of a door body is 40 degrees, one end of the pin shaft is fixedly connected with the door frame, the other end of the pin shaft is movably embedded into the strip-shaped groove, and a cylinder is arranged on the vacuum chamber body and positioned below the sliding block. When the vacuum bin body is vacuumized, the invention can not only prevent negative pressure from transferring to the pin shaft to damage the pin shaft, but also enable the door body to compress the sealing ring under the action of the negative pressure, thereby improving the sealing performance.
Description
Technical Field
The invention relates to the technical field of vacuum cavity sealing, in particular to high-precision vacuum dispensing equipment.
Background
At present, intelligent electronic devices, such as smart phones and tablet computers, are rapidly developed, and with the technological progress, functions of various intelligent electronic devices are increased, so that integration of functions of the intelligent electronic devices promotes various parts to be gradually increased, and connection modes among the parts are changed from the former screw locking connection to the dispensing connection. The glue dispenser is under the non-vacuum working environment, and glue drips and all can enter into gluey in the equal air before and after the product, directly influences the quality of product.
Vacuum cavity mainly is applied to the product point and glues and the encapsulation field, utilizes the effort of negative pressure, takes away the air in the vacuum box earlier at the in-process that fills, carries out the product again and fills, can permeate glue inside the product fast, fills and strikes and the bubble that glue produced with the product contact also can take away fast under the negative pressure effect to guarantee the high performance of product.
In the prior art, when the cavity is vacuumized, the vacuum value in the cavity is unstable due to the fact that the pressure difference between the air pressure in the cavity and the external air pressure is large and the valve is delayed when being closed. And the adsorption force generated by the larger internal and external pressure difference has higher output power requirement on the closing mechanism of the valve, and the valve opening and closing mechanism with larger kinetic energy can impact the cavity, so that the service life of the valve is shortened.
Disclosure of Invention
The invention aims to provide high-precision vacuum dispensing equipment which can prevent negative pressure from transferring to a pin shaft to damage the pin shaft when a vacuum chamber body is vacuumized, can enable a door body to compress a sealing ring under the action of the negative pressure, and can improve the sealing performance.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-precision vacuum dispensing device comprises a vacuum chamber body, a rack, a dispensing valve and a workbench, wherein the vacuum chamber body is arranged on the rack, the dispensing valve and the workbench are both positioned in the vacuum chamber body, and the dispensing valve is positioned right above the workbench;
an air suction port and an air inlet are formed in the outer surface of one side of the vacuum chamber body, the inner walls of the air suction port and the air inlet, which are close to one end inside the vacuum chamber body, are respectively provided with a flange portion extending inwards in the radial direction, a first flange plate is embedded into the air suction port, a second flange plate is embedded into the air inlet, the end surfaces of one end of each of the first flange plate and the second flange plate are in surface contact with the end surfaces of the corresponding flange portion, and the other end of each of the first flange plate and the second flange plate is connected with a piston rod of a first air cylinder and a piston rod of a second air cylinder which are correspondingly arranged;
the vacuum pump is characterized in that a connecting seat is mounted on the air suction port, one end face of the connecting seat is connected with the vacuum chamber body, the first air cylinder is mounted on the other end face of the connecting seat, a piston rod of the first air cylinder is connected with the first flange plate through a first mandrel, a first through hole communicated with the air suction port is formed in the connecting seat along the direction of the first mandrel, the first mandrel is telescopically arranged in the first through hole, an air suction hole communicated with the first through hole is formed in the connecting seat, and the air suction hole is used for being connected with a vacuum pump;
the first mandrel is sleeved with an elastic piece, one end of the elastic piece close to the first flange plate is contacted with an outer flange part positioned at the tail end of the first mandrel, and the other end of the elastic piece is connected with a shell of the first cylinder in an extrusion manner;
a cushion block is arranged between the first air cylinder and the connecting seat, the other end of the elastic piece is connected with the cushion block in an extrusion manner, a second through hole through which a piston rod and a first mandrel of the first air cylinder can penetrate is formed in the center of the cushion block, and an air outlet hole communicated with the second through hole is formed in the outer end face of the cushion block;
the inner diameter of one end, close to the elastic part, of the second through hole is smaller than that of one end, close to the first cylinder, of the second through hole;
the vacuum bin body is provided with a door opening, the peripheral edges of the door opening are provided with a sealing ring, the front side of the door opening is provided with a movable door body, the left side and the right side of the door body are respectively provided with a door frame, the vacuum bin bodies positioned on the left side and the right side of the door opening are respectively provided with a linear guide rail, and the two door frames are respectively connected with the corresponding linear guide rails through a sliding block, so that the door body can move up and down along the vertical direction;
a guide strip is arranged between the linear guide rail and the door frame, at least one rotatable guide bearing is arranged on the side end face of the door frame, and when the door body moves up and down along the vertical direction, the guide bearing moving up and down along with the door frame rolls on the front surface of the guide strip;
the front surface of the guide strip is provided with a groove corresponding to the guide bearing, the sliding block is connected with the door frame through a connecting block and a pin shaft, one end of the connecting block is connected with the sliding block, the side end face of the other end of the connecting block is provided with an obliquely arranged strip-shaped groove, an included angle formed between the oblique direction of the strip-shaped groove and the motion direction of the door body is 40 degrees, one end of the pin shaft is fixedly connected with the door frame, the other end of the pin shaft is movably embedded into the strip-shaped groove, and a cylinder is arranged on the vacuum chamber body and positioned below the sliding block;
when the door body is in a closed state, the guide bearing is embedded into the corresponding groove and forms a gap with the bottom surface of the groove, a gap is formed between the pin shaft positioned in the strip-shaped groove and one end, close to the sealing ring, of the strip-shaped groove, and the door body is in extrusion contact with the sealing ring;
when the door body is in an open state, the guide bearing rolls out of the corresponding groove, the pin shaft in the strip-shaped groove moves towards one end, away from the sealing ring, of the strip-shaped groove, and the door body and the sealing ring are arranged at intervals.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the cushion block comprises a main body part close to the first cylinder and a protruding part embedded in the first through hole.
2. In the above scheme, a screw passes first cylinder and cushion in proper order and is connected with the connecting seat, installs first cylinder and cushion on the connecting seat.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the high-precision vacuum dispensing equipment, a piston rod of an air cylinder is connected with a first flange plate through a mandrel, a through hole communicated with an air suction opening is formed in a connecting seat along the direction of the mandrel, the mandrel is telescopically arranged in the through hole, an elastic piece is sleeved on the mandrel, one end, close to the first flange plate, of the elastic piece is in contact with an outer flange part positioned on the tail end of the mandrel, the other end of the elastic piece is connected with a shell of the air cylinder in an extrusion mode, force can be applied to the first flange plate in a superposition mode when the first flange plate is closed through the arrangement of the elastic piece, the sealing performance of the first flange plate on the air suction opening in the long-term use process is improved, impact caused by too fast contraction can be prevented in the first flange plate opening process, and the service life of the mechanism is prolonged.
2. According to the high-precision vacuum dispensing equipment, the cushion block is arranged between the first cylinder and the connecting seat, the other end of the elastic piece is connected with the cushion block in an extruding manner, the center of the cushion block is provided with the second through hole for the piston rod of the first cylinder and the first mandrel to penetrate through, and the outer end surface of the cushion block is provided with the air outlet hole communicated with the second through hole, so that the piston rod of the cylinder can be ensured to always keep constant driving force in the long-term reciprocating motion process, and the condition that the flange plate cannot be driven to tightly seal an air suction opening due to air blocking is avoided; furthermore, the inner diameter of one end, close to the elastic piece, of the second through hole is smaller than that of one end, close to the first air cylinder, of the second through hole, so that the air cylinder and the cushion block can be assembled more tightly, smooth exhaust of the air outlet can be kept, the situation that the piston rod of the air cylinder is not smooth in movement due to air blocking is further prevented, and smooth and stable operation of a vacuumizing process in a long-term use process is guaranteed.
3. According to the high-precision vacuum dispensing equipment, the guide bearing and the groove are arranged in a matched manner, and the pin shaft and the strip-shaped groove are arranged in a matched manner, so that a tangential force is provided by the pin shaft in the closing process of the door body, the guide bearing is embedded into the groove, and meanwhile, the door body extrudes the sealing ring, so that on the basis of space saving and convenience in opening and closing, the sealing property in the vacuum chamber body when the door body is in a closed state is ensured, the abrasion of the sealing ring in the opening and closing process of the door body can be avoided, and the damage of instant pressure relief to the sealing ring can be avoided when the door body is opened, so that the stability of the sealing property of the vacuum chamber body in the long-term use process is ensured; further, the clearance between direction bearing and the recess, between round pin axle and the bar groove sets up, provides a telescopic space, when carrying out the evacuation to the vacuum chamber body, both can avoid the negative pressure to shift to the round pin epaxial and harm the round pin axle, can make the door body compress tightly the sealing washer more under the negative pressure effect again, improves sealing performance.
Drawings
FIG. 1 is a schematic structural diagram of a high-precision vacuum dispensing apparatus according to the present invention;
FIG. 2 is a schematic view of a partial structure of a vacuum chamber body of the high-precision vacuum dispensing equipment;
FIG. 3 is a schematic view of a partial cross-sectional structure of the high-precision vacuum dispensing apparatus of the present invention;
FIG. 4 is a schematic diagram of the internal structure of a vacuum chamber of the high-precision vacuum dispensing equipment;
FIG. 5 is a first schematic structural diagram of a cushion block in the high-precision vacuum dispensing equipment of the present invention;
FIG. 6 is a second schematic structural diagram of a cushion block in the high-precision vacuum dispensing equipment of the present invention;
FIG. 7 is a schematic structural view of a door opening and a sealing ring of the high-precision vacuum dispensing equipment;
FIG. 8 is a schematic structural diagram of a door module of the high-precision vacuum dispensing equipment of the present invention;
fig. 9 is a schematic view of a local structure of a door module of the high-precision vacuum dispensing equipment of the invention.
In the above drawings: 1. a vacuum chamber body; 2. an air extraction opening; 3. an air inlet; 4. a flange portion; 5. a first flange plate; 6. a second flange plate; 7. a first cylinder; 8. a second cylinder; 9. a connecting seat; 10. a first mandrel; 101. an outer flange portion; 11. a first through hole; 12. an air exhaust hole; 13. an air exhaust seat; 14. an elastic member; 15. a support washer; 16. a frame; 17. dispensing a glue valve; 18. a work table; 31. a cushion block; 311. a main body portion; 312. a boss portion; 32. a second through hole; 33. an air outlet; 34. a vacuum pressure sensor; 35. a door opening; 36. a seal ring; 37. a door body; 38. a door frame; 39. a linear guide rail; 40. a slider; 41. a cylinder; 42. a guide strip; 43. a guide bearing; 44. a groove; 45. connecting blocks; 46. a pin shaft; 47. a strip-shaped groove.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a high-precision vacuum dispensing device comprises a vacuum chamber body 1, a rack 16, a dispensing valve 17 and a workbench 18, wherein the vacuum chamber body 1 is installed on the rack 16, the dispensing valve 17 and the workbench 18 are both positioned in the vacuum chamber body 1, and the dispensing valve 17 is positioned right above the workbench 18;
an air suction port 2 and an air inlet 3 are formed in the outer surface of one side of the vacuum cabin body 1, the inner walls of the air suction port 2 and the air inlet 3, which are close to one end inside the vacuum cabin body 1, are respectively provided with a flange part 4 which extends inwards in the radial direction, a first flange plate 5 is embedded into the air suction port 2, a second flange plate 6 is embedded into the air inlet 3, the end surfaces of one end of each of the first flange plate 5 and the second flange plate 6 are in surface contact with the end surfaces of the corresponding flange part 4, and the other end of each of the first flange plate 5 and the second flange plate 6 is connected with the piston rods of a first air cylinder 7 and a second air cylinder 8 which are correspondingly arranged;
a connecting seat 9 is installed on the air suction port 2, one end face of the connecting seat 9 is connected with the vacuum chamber body 1, the first air cylinder 7 is installed on the other end face of the connecting seat 9, a piston rod of the first air cylinder 7 is connected with the first flange 5 through a first mandrel 10, a first through hole 11 communicated with the air suction port 2 is formed in the connecting seat 9 along the direction of the first mandrel 10, the first mandrel 10 is telescopically arranged in the first through hole 11, an air suction hole 12 communicated with the first through hole 11 is further formed in the connecting seat 9, and the air suction hole 12 is used for being connected with a vacuum pump;
an elastic part 14 is sleeved on the first mandrel 10, one end of the elastic part 14 close to the first flange plate 5 is in contact with an outer flange part 101 positioned on the tail end of the first mandrel 10, and the other end of the elastic part 14 is connected with the shell of the first cylinder 7 in a squeezing mode;
a cushion block 31 is arranged between the first cylinder 7 and the connecting seat 9, the other end of the elastic element 14 is connected with the cushion block 31 in an extruding manner, a second through hole 32 through which a piston rod of the first cylinder 7 and the first mandrel 10 can penetrate is formed in the center of the cushion block 31, and an air outlet 33 communicated with the second through hole 32 is formed in the outer end face of the cushion block 31;
the inner diameter of the second through hole 32 near the end of the elastic element 14 is smaller than that near the end of the first cylinder 7;
the vacuum cabin body 1 is provided with a door opening 35, the edges around the door opening 35 are provided with a sealing ring 36, the front side of the door opening 35 is provided with a movable door body 37, the left side and the right side of the door body 37 are respectively provided with a door frame 38, the vacuum cabin body 1 positioned on the left side and the right side of the door opening 35 are respectively provided with a linear guide rail 39, and the two door frames 38 are respectively connected with the corresponding linear guide rails 39 through a sliding block 40, so that the door body 37 can vertically move up and down;
a guide bar 42 is installed between the linear guide rail 39 and the door frame 38, at least one rotatable guide bearing 43 is installed on the side end surface of the door frame 38, and when the door body 37 moves up and down along the vertical direction, the guide bearing 43 moving up and down along with the door frame 38 rolls on the front surface of the guide bar 42;
a groove 44 corresponding to the guide bearing 43 is formed in the front surface of the guide bar 42, the sliding block 40 is connected with the door frame 38 through a connecting block 45 and a pin shaft 46, one end of the connecting block 45 is connected with the sliding block 40, a side end face of the other end of the connecting block 45 is provided with a strip-shaped groove 47 which is obliquely arranged, one end of the pin shaft 46 is fixedly connected with the door frame 38, and the other end of the pin shaft 46 is movably embedded into the strip-shaped groove 47;
when the door body 37 is in a closed state, the guide bearing 43 is embedded into the corresponding groove 44 and forms a gap with the bottom surface of the groove 44, a gap is formed between the pin shaft 46 positioned in the strip-shaped groove 47 and one end of the strip-shaped groove 47, which is close to the sealing ring 36, and the door body 37 is in extrusion contact with the sealing ring 36;
when the door body 37 is in an open state, the guide bearings 43 roll out from the corresponding grooves 44, the pin shaft 46 located in the strip-shaped groove 47 moves towards one end, far away from the sealing ring 36, of the strip-shaped groove 47, and the door body 37 and the sealing ring 36 are arranged at intervals.
The elastic member 14 is a bellows-shaped elastic member.
A support gasket 15 is arranged between the shell of the first cylinder 7 and the elastic element 14, and the support gasket 15 is sleeved on the first mandrel 10 and is in pressing contact with the end face of the elastic element 14.
The spacer 31 includes a main body 311 adjacent to the first cylinder 7 and a boss 312 fitted into the first through hole 11.
At least one vacuum pressure sensor 34 is mounted on the vacuum chamber body 1.
The inclined direction of the strip-shaped groove 47 forms an angle of 40 ° with the moving direction of the door body 37.
Example 2: a high-precision vacuum dispensing device comprises a vacuum chamber body 1, a rack 16, a dispensing valve 17 and a workbench 18, wherein the vacuum chamber body 1 is installed on the rack 16, the dispensing valve 17 and the workbench 18 are both positioned in the vacuum chamber body 1, and the dispensing valve 17 is positioned right above the workbench 18;
an air suction port 2 and an air inlet 3 are formed in the outer surface of one side of the vacuum cabin body 1, the inner walls of the air suction port 2 and the air inlet 3, which are close to one end inside the vacuum cabin body 1, are respectively provided with a flange part 4 which extends inwards in the radial direction, a first flange plate 5 is embedded into the air suction port 2, a second flange plate 6 is embedded into the air inlet 3, the end surfaces of one end of each of the first flange plate 5 and the second flange plate 6 are in surface contact with the end surfaces of the corresponding flange part 4, and the other end of each of the first flange plate 5 and the second flange plate 6 is connected with the piston rods of a first air cylinder 7 and a second air cylinder 8 which are correspondingly arranged;
a connecting seat 9 is installed on the air suction port 2, one end face of the connecting seat 9 is connected with the vacuum chamber body 1, the first air cylinder 7 is installed on the other end face of the connecting seat 9, a piston rod of the first air cylinder 7 is connected with the first flange 5 through a first mandrel 10, a first through hole 11 communicated with the air suction port 2 is formed in the connecting seat 9 along the direction of the first mandrel 10, the first mandrel 10 is telescopically arranged in the first through hole 11, an air suction hole 12 communicated with the first through hole 11 is further formed in the connecting seat 9, and the air suction hole 12 is used for being connected with a vacuum pump;
an elastic part 14 is sleeved on the first mandrel 10, one end of the elastic part 14 close to the first flange plate 5 is in contact with an outer flange part 101 positioned on the tail end of the first mandrel 10, and the other end of the elastic part 14 is connected with the shell of the first cylinder 7 in a squeezing mode;
a cushion block 31 is arranged between the first cylinder 7 and the connecting seat 9, the other end of the elastic element 14 is connected with the cushion block 31 in an extruding manner, a second through hole 32 through which a piston rod of the first cylinder 7 and the first mandrel 10 can penetrate is formed in the center of the cushion block 31, and an air outlet 33 communicated with the second through hole 32 is formed in the outer end face of the cushion block 31;
the inner diameter of the second through hole 32 near the end of the elastic element 14 is smaller than that near the end of the first cylinder 7;
the vacuum cabin body 1 is provided with a door opening 35, the edges around the door opening 35 are provided with a sealing ring 36, the front side of the door opening 35 is provided with a movable door body 37, the left side and the right side of the door body 37 are respectively provided with a door frame 38, the vacuum cabin body 1 positioned on the left side and the right side of the door opening 35 are respectively provided with a linear guide rail 39, and the two door frames 38 are respectively connected with the corresponding linear guide rails 39 through a sliding block 40, so that the door body 37 can vertically move up and down;
a guide bar 42 is installed between the linear guide rail 39 and the door frame 38, at least one rotatable guide bearing 43 is installed on the side end surface of the door frame 38, and when the door body 37 moves up and down along the vertical direction, the guide bearing 43 moving up and down along with the door frame 38 rolls on the front surface of the guide bar 42;
a groove 44 corresponding to the guide bearing 43 is formed in the front surface of the guide strip 42, the sliding block 40 is connected with the door frame 38 through a connecting block 45 and a pin shaft 46, one end of the connecting block 45 is connected with the sliding block 40, a side end face of the other end of the connecting block 45 is provided with an obliquely arranged strip-shaped groove 47, one end of the pin shaft 46 is fixedly connected with the door frame 38, and the other end of the pin shaft 46 is movably embedded into the strip-shaped groove 47;
when the door body 37 is in a closed state, the guide bearing 43 is embedded into the corresponding groove 44 and forms a gap with the bottom surface of the groove 44, a gap is formed between the pin shaft 46 positioned in the strip-shaped groove 47 and one end, close to the sealing ring 36, of the strip-shaped groove 47, and the door body 37 is in extrusion contact with the sealing ring 36;
when the door body 37 is in an open state, the guide bearings 43 roll out from the corresponding grooves 44, the pin shaft 46 located in the strip-shaped groove 47 moves towards one end, far away from the sealing ring 36, of the strip-shaped groove 47, and the door body 37 and the sealing ring 36 are arranged at intervals.
The elastic member 14 is a bellows-shaped elastic member.
A screw passes through the first cylinder 7 and the cushion block 31 in sequence to be connected with the connecting seat 9, and the first cylinder 7 and the cushion block 31 are installed on the connecting seat 9.
An air cylinder 41 is installed on the vacuum chamber 1 and below the slide block 40.
The inclined direction of the strip-shaped groove 47 forms an included angle of 50 degrees with the moving direction of the door body 37.
The working principle is as follows:
the first cylinder drives the first flange plate to stretch so as to control the opening and closing of the air exhaust flow channel, thereby controlling the on-off of the vacuumizing operation in the vacuum chamber body;
the second cylinder drives the second flange plate to stretch and retract so as to control the opening and closing of the air inlet channel and control the air pressure change in the vacuum bin;
when the first flange plate is pulled away from the air pumping hole by the first air cylinder, the external connection air pump starts to work to pump air in the vacuum chamber body;
when the air pressure in the vacuum bin is larger than a preset value of an air pressure sensor arranged on the vacuum bin, the first air cylinder pushes the first flange plate into the air exhaust port;
pulling the second flange plate away from the air inlet, and adjusting the air pressure in the vacuum cabin body until the air pressure reaches a preset value;
and after the operation in the vacuum cabin is finished, pulling the second flange plate away from the air inlet to release the pressure.
When the air suction mechanism is adopted, due to the arrangement of the elastic piece, the first flange plate can be superposed and applied with force when the first flange plate is closed, the sealing performance of the first flange plate on the air suction opening in the long-term use process is improved, the impact caused by too fast contraction can be prevented in the opening process of the first flange plate, and the service life of the mechanism is prolonged;
in addition, the constant driving force of the piston rod of the air cylinder can be ensured to be always kept in the long-term reciprocating motion process, and the condition that the flange plate cannot be driven to tightly seal the air suction opening due to air holding is avoided;
furthermore, the assembly between the air cylinder and the cushion block can be more compact, smooth exhaust of the air outlet can be kept, further, the unsmooth movement of the piston rod of the air cylinder caused by air blocking is prevented, and smooth and stable operation of a vacuumizing process in a long-term use process is ensured;
in addition, the guide bearing and the groove are matched with each other, and the pin shaft and the strip-shaped groove are arranged, so that a tangential force is provided by the pin shaft in the closing process of the door body, the guide bearing is embedded into the groove, and meanwhile, the door body extrudes the sealing ring, so that on the basis of space saving and convenience in opening and closing, the sealing property in the vacuum cabin body when the door body is in a closed state is ensured, the sealing ring can be prevented from being abraded in the opening and closing process of the door body, and the sealing ring can be prevented from being damaged by instant pressure relief when the door body is opened, so that the stability of the sealing property of the vacuum cabin body in the long-term use process is ensured;
further, the clearance between direction bearing and the recess, between round pin axle and the bar groove sets up, provides a telescopic space, when carrying out the evacuation to the vacuum chamber body, both can avoid the negative pressure to shift to the round pin epaxial and harm the round pin axle, can make the door body compress tightly the sealing washer more under the negative pressure effect again, improves sealing performance.
The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this means. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a high-accuracy vacuum dispensing equipment which characterized in that: the vacuum glue dispensing device comprises a vacuum bin body (1), a rack (16), a glue dispensing valve (17) and a workbench (18), wherein the vacuum bin body (1) is installed on the rack (16), the glue dispensing valve (17) and the workbench (18) are both positioned in the vacuum bin body (1), and the glue dispensing valve (17) is positioned right above the workbench (18);
the outer surface of one side of the vacuum cabin body (1) is provided with an air suction opening (2) and an air inlet (3), the inner walls of the air suction opening (2) and the air inlet (3) close to one end inside the vacuum cabin body (1) respectively are provided with a flange part (4) extending inwards in the radial direction, a first flange plate (5) is embedded into the air suction opening (2), a second flange plate (6) is embedded into the air inlet (3), the end surfaces of one end of each of the first flange plate (5) and the second flange plate (6) are in surface contact with the end surface of the corresponding flange part (4), and the other end of each of the first flange plate (5) and the second flange plate (6) is connected with the piston rod of a first air cylinder (7) and a second air cylinder (8) which are correspondingly arranged;
a connecting seat (9) is installed on the air suction opening (2), one end face of the connecting seat (9) is connected with the vacuum cabin body (1), the first air cylinder (7) is installed on the other end face of the connecting seat (9), a piston rod of the first air cylinder (7) is connected with the first flange plate (5) through a first mandrel (10), a first through hole (11) communicated with the air suction opening (2) is formed in the connecting seat (9) along the direction of the first mandrel (10), the first mandrel (10) is telescopically arranged in the first through hole (11), an air suction hole (12) communicated with the first through hole (11) is further formed in the connecting seat (9), and the air suction hole (12) is used for being connected with a vacuum pump;
an elastic piece (14) is sleeved on the first mandrel (10), one end of the elastic piece (14) close to the first flange plate (5) is in contact with an outer flange part (101) positioned at the tail end of the first mandrel (10), and the other end of the elastic piece (14) is connected with a shell of the first cylinder (7) in an extrusion manner;
a cushion block (31) is arranged between the first air cylinder (7) and the connecting seat (9), the other end of the elastic piece (14) is connected with the cushion block (31) in an extrusion manner, a second through hole (32) through which a piston rod of the first air cylinder (7) and the first mandrel (10) can penetrate is formed in the center of the cushion block (31), and an air outlet hole (33) communicated with the second through hole (32) is formed in the outer end face of the cushion block (31);
the inner diameter of one end, close to the elastic piece (14), of the second through hole (32) is smaller than that of one end, close to the first air cylinder (7), of the second through hole;
the vacuum cabin body (1) is provided with a door opening (35), the edges of the periphery of the door opening (35) are provided with a sealing ring (36), the front side of the door opening (35) is provided with a movable door body (37), the left side and the right side of the door body (37) are respectively provided with a door frame (38), the vacuum cabin body (1) positioned on the left side and the right side of the door opening (35) is respectively provided with a linear guide rail (39), and the two door frames (38) are respectively connected with the corresponding linear guide rails (39) through a sliding block (40), so that the door body (37) can vertically move up and down;
a guide strip (42) is arranged between the linear guide rail (39) and the door frame (38), at least one rotatable guide bearing (43) is arranged on the side end surface of the door frame (38), and when the door body (37) moves up and down along the vertical direction, the guide bearing (43) moving up and down along with the door frame (38) rolls on the front surface of the guide strip (42);
the front surface of the guide strip (42) is provided with a groove (44) corresponding to the guide bearing (43), the sliding block (40) is connected with the door frame (38) through a connecting block (45) and a pin shaft (46), one end of the connecting block (45) is connected with the sliding block (40), the side end face of the other end of the connecting block (45) is provided with a strip-shaped groove (47) which is obliquely arranged, an included angle formed between the oblique direction of the strip-shaped groove (47) and the moving direction of the door body (37) is 40 degrees, one end of the pin shaft (46) is fixedly connected with the door frame (38), the other end of the pin shaft (46) is movably embedded into the strip-shaped groove (47), and an air cylinder (41) is arranged on the vacuum cabin body (1) and positioned below the sliding block (40);
when the door body (37) is in a closed state, the guide bearing (43) is embedded into the corresponding groove (44) and forms a gap with the bottom surface of the groove (44), a gap is formed between the pin shaft (46) positioned in the strip-shaped groove (47) and one end, close to the sealing ring (36), of the strip-shaped groove (47), and the door body (37) is in extrusion contact with the sealing ring (36);
when the door body (37) is in an open state, the guide bearings (43) roll out from the corresponding grooves (44), the pin shafts (46) located in the strip-shaped grooves (47) move towards one ends, far away from the sealing rings (36), of the strip-shaped grooves (47), and the door body (37) and the sealing rings (36) are arranged at intervals.
2. The high-precision vacuum dispensing apparatus according to claim 1, wherein: the cushion block (31) comprises a main body part (311) close to the first cylinder (7) and a bulge part (312) embedded in the first through hole (11).
3. The high-precision vacuum dispensing apparatus according to claim 1, wherein: a screw penetrates through the first cylinder (7) and the cushion block (31) in sequence to be connected with the connecting seat (9), and the first cylinder (7) and the cushion block (31) are installed on the connecting seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210500305.3A CN115025930B (en) | 2020-12-28 | 2020-12-28 | High-precision vacuum dispensing equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584204.6A CN113042325B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing integrated device |
| CN202210500305.3A CN115025930B (en) | 2020-12-28 | 2020-12-28 | High-precision vacuum dispensing equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011584204.6A Division CN113042325B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115025930A true CN115025930A (en) | 2022-09-09 |
| CN115025930B CN115025930B (en) | 2023-09-08 |
Family
ID=76508358
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210486218.7A Active CN114849974B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing machine for electronic equipment processing |
| CN202210500305.3A Active CN115025930B (en) | 2020-12-28 | 2020-12-28 | High-precision vacuum dispensing equipment |
| CN202011584204.6A Active CN113042325B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing integrated device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210486218.7A Active CN114849974B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing machine for electronic equipment processing |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011584204.6A Active CN113042325B (en) | 2020-12-28 | 2020-12-28 | Vacuum dispensing integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN114849974B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434507Y (en) * | 2000-06-21 | 2001-06-13 | 吴胜 | Multifunctional vacuum valve |
| US20120145013A1 (en) * | 2010-12-08 | 2012-06-14 | Illinois Tool Works Inc. | Combination stencil printer and dispenser and related methods |
| CN207971039U (en) * | 2018-01-31 | 2018-10-16 | 东莞市久耐机械有限公司 | Vacuum dispenser |
| CN208275696U (en) * | 2018-05-05 | 2018-12-25 | 广州明康自动化设备有限公司 | A kind of sealed dispenser |
| CN210419758U (en) * | 2019-05-14 | 2020-04-28 | 青岛民兴玻璃科技有限公司 | Evacuating device is used in cavity glass production |
| CN211473788U (en) * | 2019-11-18 | 2020-09-11 | 和利时(苏州)自控技术有限公司 | Sealing door structure of dispenser |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6182680A (en) * | 1980-08-28 | 1982-03-04 | Kardon Industries, Inc. | Glue application |
| DE4337438C2 (en) * | 1993-11-03 | 1996-03-14 | Schiele Josef | Process for continuous vacuum all-round coating and vacuum continuous all-round coating chamber for carrying out the method |
| JP5530175B2 (en) * | 2009-12-25 | 2014-06-25 | キヤノンアネルバ株式会社 | Vacuum processing equipment |
| CN203394282U (en) * | 2013-07-01 | 2014-01-15 | 核工业理化工程研究院 | Pneumatic cabin door sealing structure for vacuum chamber |
| CN103551291B (en) * | 2013-10-29 | 2015-08-12 | 深圳市联得自动化装备股份有限公司 | Glue spreading method and glue make-up machine |
| CN203892709U (en) * | 2014-03-25 | 2014-10-22 | 上海天马微电子有限公司 | Vacuum valve and vacuum pumping equipment |
| CN204060275U (en) * | 2014-08-14 | 2014-12-31 | 农业部南京农业机械化研究所 | For the adjustable hermatic door of hinge of closed storehouse body |
| CN206013399U (en) * | 2016-08-30 | 2017-03-15 | 常州嘉业智能装备科技有限公司 | A kind of battery liquid-filling production line sealed compartment |
| CN106975586A (en) * | 2017-04-27 | 2017-07-25 | 常州亿莱顿电子科技有限公司 | A kind of accurate automatic dispensing machine frock and its dispensing method |
| CN109682173B (en) * | 2018-12-26 | 2024-07-12 | 东莞市德瑞精密设备有限公司 | Vacuum drying furnace |
-
2020
- 2020-12-28 CN CN202210486218.7A patent/CN114849974B/en active Active
- 2020-12-28 CN CN202210500305.3A patent/CN115025930B/en active Active
- 2020-12-28 CN CN202011584204.6A patent/CN113042325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434507Y (en) * | 2000-06-21 | 2001-06-13 | 吴胜 | Multifunctional vacuum valve |
| US20120145013A1 (en) * | 2010-12-08 | 2012-06-14 | Illinois Tool Works Inc. | Combination stencil printer and dispenser and related methods |
| CN207971039U (en) * | 2018-01-31 | 2018-10-16 | 东莞市久耐机械有限公司 | Vacuum dispenser |
| CN208275696U (en) * | 2018-05-05 | 2018-12-25 | 广州明康自动化设备有限公司 | A kind of sealed dispenser |
| CN210419758U (en) * | 2019-05-14 | 2020-04-28 | 青岛民兴玻璃科技有限公司 | Evacuating device is used in cavity glass production |
| CN211473788U (en) * | 2019-11-18 | 2020-09-11 | 和利时(苏州)自控技术有限公司 | Sealing door structure of dispenser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114849974A (en) | 2022-08-05 |
| CN113042325A (en) | 2021-06-29 |
| CN113042325B (en) | 2022-03-29 |
| CN115025930B (en) | 2023-09-08 |
| CN114849974B (en) | 2023-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018103743A1 (en) | Hydraulic forming machine and metal ball forming machine | |
| CN214303472U (en) | Sealing door for vacuum bin | |
| CN201170162Y (en) | Remaining gap valve regulation apparatus | |
| CN213843908U (en) | Vacuum suction breaking mechanism | |
| CN113042325B (en) | Vacuum dispensing integrated device | |
| CN113042310B (en) | Dispensing equipment for assembling 3C parts | |
| CN111992420B (en) | Lithium ion battery pole piece coating device | |
| CN212584169U (en) | Buffer pull rod type air cylinder with adjustable stability | |
| CN211027669U (en) | Anti-sticking device for punch | |
| CN114682435B (en) | Adhesive dispensing device for precision parts | |
| CN215390400U (en) | Closed glue dispensing mechanism | |
| CN219858445U (en) | Movable sealing cover | |
| CN114714558A (en) | Automatic die sinking subassembly of box foaming equipment | |
| CN214289118U (en) | Sealed automatic dispensing equipment | |
| CN220726498U (en) | Pneumatic energy-saving booster oil pump device | |
| CN214303470U (en) | Lifting type sealing door | |
| CN220895644U (en) | Soft packet of lithium cell encapsulation plastic-aluminum membrane smooths mechanism | |
| CN113042306A (en) | Vacuum dispensing system | |
| CN215151750U (en) | Evacuating device for vacuum shaping processing of slurry conveying U-shaped groove plate | |
| CN214303471U (en) | Automatic lifting door device | |
| CN218761503U (en) | Door device and production equipment | |
| CN213321241U (en) | Anti-sticking mold rubberizing sealing mechanism for lens production | |
| CN214816317U (en) | Oil bag press | |
| CN221336160U (en) | Stamping die with guide structure | |
| CN217719910U (en) | Nail pressing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 189, Wutaishan Road, High tech Zone, Suzhou City, Jiangsu Province, 215011 Applicant after: Suzhou Zhuozhao dispensing Co.,Ltd. Address before: 215011 No.3, phase I, standard plant, No.588 Wutaishan Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: Suzhou Zhuozhao dispensing Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |