Striker valve with heating sleeve
Technical Field
The utility model relates to a striker valve with a heating sleeve, belonging to the technical field of machinery.
Background
In industrial production, dispensing is required in many places, such as integrated circuits, semiconductor packages, printed circuit boards, color liquid crystal panels, electronic components, automobile parts, and the like.
Traditional dispensing is performed manually by a worker. With the rapid development of automation technology, the manual dispensing is far from meeting the industrial requirements.
The needle collision valve is a dispensing valve capable of achieving automatic dispensing, needs to be matched with a continuous glue supply system and a continuous gas supply system for use, has a good control effect on fluid liquid with too low viscosity, and can cause blockage, dispensing failure and the like on glue with slightly high viscosity. Therefore, it is urgently needed to find a striker valve which is not easy to block and is not easy to fail in dispensing.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a needle valve with a heating sleeve, wherein the needle valve comprises a valve body and a plurality of heating sleeves sleeved on the valve body; the heating jacket is an insulating jacket, and a plurality of heating wires are arranged in the heating jacket.
In one embodiment of the utility model, the heating wire is spirally built in the heating jacket.
In one embodiment of the utility model, the heating jacket is annular.
In one embodiment of the present invention, the heating jacket is a rubber jacket.
In one embodiment of the present invention, the heating jacket is a heat conductive rubber jacket.
In one embodiment of the utility model, the striker valve further comprises a striker seat located below the valve body, and at least two sets of connecting means for securing the striker seat below the valve body.
In one embodiment of the present invention, the heating sleeve is sleeved on the needle collision seat, and/or the heating sleeve is sleeved on a portion of the valve body close to the needle collision seat.
In one embodiment of the present invention, the heating jacket further comprises a temperature controller power supply; the temperature controller power supply is electrically connected with the heating wire and used for driving the heating wire to heat.
In one embodiment of the present invention, the connecting means comprises an upper connecting member, a lower connecting member and a fastening member; the upper connecting piece is in a square block shape, one side surface of the upper connecting piece protrudes outwards to form a convex block, the cross section of the convex block is in a trapezoid shape, and the area of the cross section of the convex block is smaller and smaller along the direction towards the lower connecting piece; the lower connecting piece is in a square block shape, and the top surface and one side surface of the lower connecting piece are simultaneously inwards recessed to form a groove for accommodating the convex block; the bottom surface of the upper connecting piece faces inwards to form a threaded hole; the bottom surface of the lower connecting piece is inwards sunken to form a threaded hole penetrating to the groove; the fastening piece is screwed into the threaded holes of the lower connecting piece and the upper connecting piece in sequence, so that the lower connecting piece and the upper connecting piece are fastened together through the matching between the convex block and the groove; the upper connecting piece is fixed on the valve body, the lower connecting piece is fixed on the needle striking base, so that the needle striking base is fixed below the valve body through the matching between the upper connecting piece and the lower connecting piece, or the lower connecting piece is fixed on the valve body, the upper connecting piece is fixed on the needle striking base, so that the needle striking base is fixed below the valve body through the matching between the lower connecting piece and the upper connecting piece.
In one embodiment of the utility model, the part of the groove close to the bottom surface is narrower than the part of the lug close to the bottom surface, so that the connection firmness between the upper connecting piece and the lower connecting piece can be increased along with the increase of the screwing depth of the fastener in the lug.
In one embodiment of the utility model, the valve body comprises an upper valve body, and a lower valve body located below the upper valve body; the striker base is positioned below the lower valve body; a first driving device and an air inlet are arranged in the upper valve body; the first driving device comprises a first inner cavity, and a spring and a piston which are positioned in the first inner cavity; the spring is positioned above the piston, the top end of the spring is connected with the top end of the first inner cavity, and the bottom end of the spring is connected with the top end of the piston; the air inlet hole is communicated with the first inner cavity, so that the piston can move upwards or downwards under the action of air introduced from the air inlet hole; a liquid outlet device and a liquid inlet hole are arranged in the lower valve body; the liquid outlet device comprises a second inner cavity and a firing pin positioned in the second inner cavity; the top end of the firing pin extends into the first inner cavity and is connected with the bottom end of the piston; the part of the second inner cavity, which is close to the first inner cavity, is tightly attached to the striker, and a gap is reserved between the part, which is far away from the first inner cavity, and the striker; the liquid inlet hole is communicated with the second inner cavity, so that liquid introduced into the liquid inlet hole can enter a gap between the second inner cavity and the firing pin; the striker base comprises a third inner cavity and a needle head positioned in the third inner cavity; the third lumen is proximate the needle and is in communication with the second lumen such that fluid in the second lumen can flow into the needle.
In one embodiment of the utility model, the air inlet is connected to the first inner chamber through the bottom end of the first inner chamber, so that the piston can move upward under the action of air introduced into the air inlet.
In one embodiment of the utility model, the top end of the striker is inserted into the piston from the bottom end of the piston.
In one embodiment of the utility model, the needle extends downwardly from the bottom of the third lumen.
In one embodiment of the utility model, the striker base further comprises a fourth inner cavity for accommodating the bottom of the lower valve body; the fourth lumen is located above the third lumen and is in communication with the third lumen.
In one embodiment of the utility model, the fastener is a bolt.
In one embodiment of the present invention, a ring of sealing ring is disposed on the top surface of the striker base.
In one embodiment of the present invention, the sealing ring is a rubber ring.
The technical scheme of the utility model has the following advantages:
1. the utility model provides a needle collision valve with a heating sleeve, which comprises a valve body and a plurality of heating sleeves sleeved on the valve body, wherein the heating sleeves are insulating sleeves and are internally provided with a plurality of heating wires; on the one hand, glue viscosity is high, and is difficult for flowing, and heating jacket accessible heating valve body makes the glue that flows into the valve body heat to the mobile state from the state that is difficult for flowing, and then makes glue difficult for blockking up in firing pin valve (especially syringe needle), and makes things convenient for the glue to flow and glues a little, and on the other hand, outdoor temperature (especially winter) is less than the required temperature of glue solidification, has postponed glue curing time greatly, and heating jacket accessible heating valve body makes the glue in the valve body go out from the syringe needle and glues the back, solidification that can be quick.
Furthermore, the heating sleeve is a rubber sleeve, and the rubber has certain elasticity, so that the heating sleeve can be more firmly sleeved on the valve body of the needle valve, and is convenient to detach.
2. The utility model provides a needle impacting valve with a heating jacket, which comprises a valve body, a needle impacting seat positioned below the valve body, and at least two groups of connecting devices for fixing the needle impacting seat below the valve body, wherein each connecting device comprises an upper connecting piece, a lower connecting piece and a fastening piece, one side surface of each upper connecting piece protrudes outwards to form a convex block, the top surface and one side surface of each lower connecting piece simultaneously recess inwards to form a groove for accommodating the convex block, the fastening pieces are sequentially screwed into threaded holes of the lower connecting piece and the upper connecting piece, so that the lower connecting piece and the upper connecting piece are fastened together through the matching between the convex blocks and the grooves, the upper connecting piece is fixed on the valve body, the lower connecting piece is fixed on the needle impacting seat, so that the needle impacting seat is fixed below the valve body through the matching between the upper connecting piece and the lower connecting piece, or the lower connecting piece is fixed on the valve body, the upper connecting piece is fixed on the needle striking base, so that the needle striking base is fixed below the valve body through the matching between the lower connecting piece and the upper connecting piece; on one hand, the needle head of the needle impacting valve is extremely easy to damage and belongs to consumables, the needle head can be quickly taken down when the needle head needs to be replaced or maintained due to the arrangement of the connecting device, so that the replacement or maintenance process of the needle head is more convenient (generally, the needle head is replaced or maintained together with the whole needle head seat), and on the other hand, the connecting device is small in size, the heating sleeve can not be influenced to be sleeved on the valve body, and the valve body can be more fully heated by the heating sleeve.
Further, the part of the groove close to the bottom surface is narrower than the part of the lug close to the bottom surface, so that the connection firmness degree between the upper connecting piece and the lower connecting piece can be increased along with the increase of the screwing depth of the fastener in the lug.
Furthermore, the top surface of the needle striking seat is provided with a circle of sealing ring, the sealing ring can well fill a gap between the needle striking seat and the valve body, and the sealing performance between the needle striking seat and the valve body is guaranteed.
Drawings
FIG. 1: the utility model discloses a needle bumping valve, which is a schematic overall structure of one embodiment.
FIG. 2: the utility model relates to a front view structure schematic diagram of one embodiment of a valve body of a striker valve.
FIG. 3: a sectional view in elevation of one embodiment of a valve body of a striker valve of the present invention.
FIG. 4: the utility model relates to a right view structure schematic diagram of one embodiment of a valve body of a striker valve.
FIG. 5: a cross-sectional view in the right direction of one embodiment of a valve body of a slam needle valve of the present invention.
FIG. 6: the utility model discloses a schematic overall structure diagram of one embodiment of a heating jacket of a needle knocking valve.
FIG. 7: a cross-sectional view of one embodiment of a heating jacket of a sear valve of the present invention.
FIG. 8: the utility model discloses a connection assembly of a striker valve, and the connection assembly is in an overall structural schematic view.
FIG. 9: the utility model discloses a schematic overall structure diagram of an embodiment of an upper connecting piece of a striker valve.
FIG. 10: the utility model discloses a schematic overall structure of one embodiment of a lower connecting piece of a striker valve.
In fig. 1-10, a valve body 1, a heating jacket 2, a heating wire 3, a striker seat 4, a connecting device 5, an upper connecting piece 6, a lower connecting piece 7, a fastener 8, a projection 9, a groove 10, an upper valve body 11, a lower valve body 12, a first driving device 13, an air inlet hole 14, a first inner cavity 15, a spring 16, a piston 17, a liquid outlet device 18, an air inlet hole 19, a second inner cavity 20, a striker 21, a third inner cavity 22, a needle 23, a fourth inner cavity 24 and a sealing ring 25.
Detailed Description
The utility model will be further elucidated with reference to the embodiments and the drawings.
Example 1: striker valve with heating sleeve
As shown in fig. 1-10, the utility model provides a needle valve with a heating jacket, wherein the needle valve comprises a valve body 1 and a plurality of heating jackets 2 sleeved on the valve body 1; the heating jacket 2 is an insulating jacket, and a plurality of heating wires 3 are arranged in the heating jacket.
Preferably, the heating wire 3 is spirally built in the heating jacket 2.
Preferably, the heating jacket 2 is annular.
Preferably, the heating jacket 2 is a rubber jacket.
Preferably, the heating jacket 2 is a heat-conducting rubber jacket.
Preferably, the striker valve further comprises a striker seat 4 located below the valve body 1, and at least two sets of connecting means 5 for fixing the striker seat 4 below the valve body 1.
Preferably, the heating sleeve is sleeved on the needle collision seat, and/or the heating sleeve is sleeved on a part of the valve body close to the needle collision seat.
Preferably, the connecting device 5 comprises an upper connecting piece 6, a lower connecting piece 7 and a fastening piece 8; the upper connecting piece 6 is in a square block shape, one side surface of the upper connecting piece 6 protrudes outwards to form a lug 9, the cross section of the lug 9 is in a trapezoid shape, and the cross section area of the lug 9 is smaller and smaller along the direction towards the lower connecting piece 7; the lower connecting piece 7 is in a square block shape, the top surface and one side surface of the lower connecting piece 7 are simultaneously inwards sunken to form a groove 10 for accommodating the lug 9; the bottom surface of the upper connecting piece 6 faces inwards to form a threaded hole; the bottom surface of the lower connecting piece 7 is inwards sunken to form a threaded hole penetrating to the groove 10; the fastening piece 8 is screwed into the threaded holes of the lower connecting piece 7 and the upper connecting piece 6 in sequence, so that the lower connecting piece 7 and the upper connecting piece 6 are fastened together through the matching between the lug 9 and the groove 10; the upper connecting piece 6 is fixed on the valve body 1, the lower connecting piece 7 is fixed on the needle collision seat 4, so that the needle collision seat 4 is fixed below the valve body through the matching between the upper connecting piece 6 and the lower connecting piece 7, or the lower connecting piece 7 is fixed on the valve body 1, the upper connecting piece 6 is fixed on the needle collision seat 4, so that the needle collision seat 4 is fixed below the valve body 1 through the matching between the lower connecting piece 7 and the upper connecting piece 6.
Preferably, the portion of the groove 10 near the bottom surface is narrower than the portion of the projection 9 near the bottom surface, so that the connection between the upper connecting member 6 and the lower connecting member 7 can be secured to an increased extent as the depth of the fastener 8 screwed into the projection 9 increases.
Preferably, the valve body 1 comprises an upper valve body 11 and a lower valve body 12 positioned below the upper valve body 11; the plunger seat 4 is positioned below the lower valve body 12; a first driving device 13 and an air inlet 14 are arranged in the upper valve body 11; the first actuating device 13 comprises a first internal cavity 15, and a spring 16 and a piston 17 located inside the first internal cavity 15; the spring 16 is positioned above the piston 17, the top end of the spring is connected with the top end of the first inner cavity 15, and the bottom end of the spring is connected with the top end of the piston 17; the air inlet hole 14 is communicated with the first inner cavity 15, so that the piston 17 can move upwards or downwards under the action of air introduced from the air inlet hole 14; a liquid outlet device 18 and a liquid inlet hole 19 are arranged in the lower valve body 12; the liquid outlet device 18 comprises a second inner cavity 20 and a striker 21 positioned inside the second inner cavity 20; the top end of the firing pin 21 extends into the first inner cavity 15 and is connected with the bottom end of the piston 17; the part of the second inner cavity 20 close to the first inner cavity 15 is tightly attached to the striker 21, and a gap is reserved between the part far from the first inner cavity 15 and the striker 21; the liquid inlet hole 19 is communicated with the second inner cavity 20, so that liquid introduced into the liquid inlet hole 19 can enter a gap between the second inner cavity 20 and the firing pin 21; the striker base 4 comprises a third inner cavity 22 and a needle 23 positioned inside the third inner cavity 22; the third lumen 22 is adjacent to the needle 23 and the third lumen 22 is in communication with the second lumen 20 such that fluid in the second lumen 20 can flow into the needle 23.
Preferably, the inlet hole 14 communicates with the first chamber 15 through the bottom end of the first chamber 18, so that the piston 17 can move upwards under the action of the gas introduced through the inlet hole 14.
Preferably, the top end of the striker 21 is inserted into the piston 17 from the bottom end of the piston 17.
Preferably, the needle 23 extends from the bottom of the third lumen 22.
Preferably, the striker base 4 further comprises a fourth inner cavity 24 for accommodating the bottom of the lower valve body 12; the fourth lumen 24 is located above the third lumen 22, and the fourth lumen 24 communicates with the third lumen 21.
Preferably, the fastening member 8 is a bolt.
Preferably, a ring of sealing ring 25 is arranged on the top surface of the striker base 4.
Preferably, the sealing ring 25 is a rubber ring.
Preferably, the heating jacket 2 further comprises a temperature controller power supply; the temperature controller power supply is electrically connected with the heating wire 3 and used for driving the heating wire to heat.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.