CN212652103U

CN212652103U - Injection valve with heating function

Info

Publication number: CN212652103U
Application number: CN202021250036.2U
Authority: CN
Inventors: 罗杰
Original assignee: Shenzhen Jiete Precision Technology Co ltd
Current assignee: Shenzhen Jiete Precision Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-05
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a dispensing valve technical field discloses an injection valve with heating function, which comprises a cylinder, the cylinder upper cover, a piston, the thimble, the cylinder lower cover, the fixed column, control air inlet joint, the material jar, cylinder electric heater, the perforating screw, seal the plug, material jar lower cover and nozzle, the upper end threaded connection of cylinder upper cover and cylinder, the setting that the piston can move about from top to bottom is in the cylinder, the upper end and the piston fixed connection of thimble, cylinder electric heater inlays and locates the material jar and sets up, the concave first through-hole that runs through of upper end wall of material jar, seal the lower tip setting of embedding in first through-hole of plug, the lateral wall of material jar is equipped with into jiao kou, the concave injecting glue hole that is equipped with a running through of upper end wall of plug, the lower tip of thimble can seal the injecting glue hole setting, nozzle detachable sets up on the lower end wall of material jar lower cover. The technical scheme of the utility model can heat hot melt glue, has effectively guaranteed the smoothness degree of glue, and the practicality is strong.

Description

Injection valve with heating function

Technical Field

The utility model relates to a dispensing valve technical field, in particular to injection valve with heating function.

Background

With the development of science and technology, many consumer electronics are increasingly developed to be smaller, faster, and more in the communication electronic field such as entertainment, which brings new challenges to manufacturers of these products, and especially in large-scale mass production, high-precision and high-speed production equipment is very important. The fluid dispensing technique is a key technique in microelectronic packaging, and can be constructed to form dots, lines, surfaces (coating) and various patterns, which are widely applied to chip fixing, package reversing and chip coating. The glue dispensing valve has two types of pneumatic and electric. Pneumatic: the dispensing valve is formed by connecting an air cylinder, a valve body and a glue outlet body up and down, the air cylinder and the valve body are separated by a membrane, the glue is prevented from invading an air cavity, a valve in the glue outlet body is fixed on a piston rod, and the opening and closing of the glue are achieved by using the switch of the valve.

However, most dispensing valves on the market at present do not have a heating function, and when the hot melt adhesive is used for dispensing, the smoothness of the glue cannot be guaranteed, so that the dispensing efficiency and quality are affected, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an injection valve with heating function, when aiming at solving current dispensing valve and using the hot melt adhesive to carry out the point and glue, the smooth degree of glue can't be guaranteed, influences the efficiency of point and the technical problem of quality.

In order to achieve the above object, the present invention provides an injection valve with heating function, which comprises a cylinder, a cylinder upper cover, a piston, an ejector pin, a cylinder lower cover, a fixing column, a control air inlet joint, a material cylinder, a cylindrical electric heater, a perforation screw, a rubber sealing plug, a material cylinder lower cover and a nozzle, wherein the cylinder upper cover is in threaded connection with the upper end of the cylinder, the piston is movably arranged in the cylinder up and down, the upper end of the ejector pin is fixedly connected with the piston, the cylinder lower cover is fixed on the lower bottom wall of the cylinder through the screw, two ends of the fixing column are respectively fixedly connected with the cylinder lower cover and the material cylinder, the outer side wall of the cylinder upper cover is provided with a continuous air inlet, the control air inlet joint is arranged on the outer side wall of the cylinder, the material cylinder lower cover is fixed on the lower bottom wall of the material cylinder through the screw, the cylindrical electric heater is embedded in the material cylinder, the material jar upper end wall is sunken to be equipped with a first through-hole that runs through, the perforating screw revolve in the upper end setting of first through-hole, it inlays to locate to seal the gluey stopper the lower tip setting of first through-hole, the lateral wall of material jar be equipped with the glue inlet that first through-hole is linked together, the upper end wall of sealing the stopper is sunken to be equipped with a injecting glue hole that runs through, the lower tip of thimble can with the upper end of injecting glue hole seals the butt setting, nozzle detachable sets up on the lower end wall of material jar lower cover, just the nozzle with injecting glue hole intercommunication sets up.

Furthermore, the number of the cylinder type electric heaters is two, second through holes matched with the cylinder type electric heaters are concavely arranged on the outer side wall of the material cylinder in parallel, and the cylinder type electric heaters are respectively embedded in the second through holes.

Further, still include adjusting nut and adjusting screw, adjusting nut fixes adjusting screw's upper end sets up, the concave first screw hole that runs through that is equipped with of upper end of cylinder upper cover, adjusting screw revolve in set up in the first screw hole, just adjusting screw's lower tip can with the upper end butt setting of piston.

Further, still include reset spring, reset spring movable cover is located adjusting screw is last, just reset spring both ends respectively with cylinder upper cover and piston butt setting.

Furthermore, the material cylinder further comprises a U-shaped fixing support, the U-shaped fixing support is detachably fixed on the outer side wall of the material cylinder through screws, and two ends of the U-shaped fixing support are respectively provided with a mounting hole.

Further, the periphery wall of the upper end of the nozzle is provided with external threads, the material cylinder lower cover is concavely provided with a second threaded hole communicated with the glue injection hole, and the upper end of the nozzle is detachably screwed in the second threaded hole.

Furthermore, the lower end part of the thimble and the upper end part of the glue injection hole are both arranged in a cone-shaped structure.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, inlay through cylinder electric heater and locate the material jar and set up, the concave first through-hole that runs through that is equipped with of upper end wall of material jar, the perforating screw revolves in the upper end setting of first through-hole, it inlays the lower tip setting of locating first through-hole to seal the stopper, the lateral wall of material jar is equipped with the glue inlet that is linked together with first through-hole, the concave injecting glue hole that is equipped with a run through of upper end wall of sealing the stopper, the lower tip of thimble can seal the injecting glue hole setting, nozzle detachable sets up on the lower extreme wall of material jar lower cover, and nozzle and injecting glue hole intercommunication set up, heat the material jar through cylinder electric heater, avoid the water to solidify, thereby the effectual fluency that guarantees hot melt glue, can guarantee normal rubber coating operation, the efficiency is improved, and the volume of gluing size is adjustable, moreover, the steam generator is simple in structure, high durability and.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating an overall structure of an injection valve with a heating function according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective view of an injection valve with a heating function according to an embodiment of the present invention;

fig. 3 is an exploded view of an injection valve with a heating function according to an embodiment of the present invention;

fig. 4 is another exploded view of an injection valve with a heating function according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an injection valve with heating function.

As shown in fig. 1 to 4, in an embodiment of the present invention, the injection valve with a heating function includes a cylinder 101, a cylinder upper cover 102, a piston 103, a thimble 104, a cylinder lower cover 105, a fixing column 106, a control inlet joint 107, a material cylinder 108, a cartridge electric heater 109, a piercing screw 110, a rubber sealing plug 111, a material cylinder lower cover 112, and a nozzle 113, the cylinder upper cover 102 is connected with an upper end of the cylinder 101 by a thread, the piston 103 is movably disposed in the cylinder 101 up and down, an upper end of the thimble 104 is fixedly connected with the piston 103, the cylinder lower cover 105 is fixed on a lower bottom wall of the cylinder 101 by a screw, two ends of the fixing column 106 are respectively fixedly connected with the cylinder lower cover 106 and the material cylinder 108, an outer sidewall of the cylinder upper cover 102 is provided with a continuous inlet 1021, the control inlet joint 107 is disposed on an outer sidewall of the cylinder 101, the material cylinder lower cover 112 is fixed on the lower bottom wall of the material cylinder 108 through a screw, the cylinder type electric heater 109 is embedded in the material cylinder 108, a first through hole 1081 which penetrates through the upper end wall of the material cylinder 108 is concavely arranged, the punching screw 110 is screwed in the upper end portion of the first through hole 1081, the rubber sealing plug 111 is embedded in the lower end portion of the first through hole 1081, the outer side wall of the material cylinder 108 is provided with a rubber inlet 1082 communicated with the first through hole 1081, the upper end wall of the rubber sealing plug 111 is concavely provided with a penetrating rubber injection hole 1111, the lower end portion of the thimble 104 can be abutted against the upper end portion of the rubber injection hole 1111 in a sealing manner, the nozzle 113 is detachably arranged on the lower end wall of the material cylinder lower cover 112, and the nozzle 113 is communicated with the rubber injection hole 1111.

Specifically, the number of the cylinder type electric heaters 109 is two, the outer side wall of the material cylinder 108 is concavely provided with second through holes 1083 matched with the cylinder type electric heaters 109 in parallel, the cylinder type electric heaters 109 are respectively embedded in the second through holes 1083, each cylinder type electric heater comprises a plurality of tubular electric heating elements, a cylinder body, a guide plate and the like, the tubular electric heating elements are formed by placing high-temperature resistance wires in metal pipes, and crystalline magnesium oxide powder with good insulativity and thermal conductivity is tightly filled in gaps.

Specifically, the glue dispensing device further comprises an adjusting nut 114 and an adjusting screw 115, the adjusting nut 114 is fixed at the upper end of the adjusting screw 115, a first threaded hole 1022 penetrating through the upper end of the cylinder upper cover 102 is concavely arranged at the upper end of the cylinder upper cover, the adjusting screw 115 is screwed in the first threaded hole 1022, the lower end of the adjusting screw 115 can be abutted to the upper end of the piston 103, the adjusting nut is used for driving the adjusting screw to move up and down, the movement stroke of the piston is controlled, and therefore the lifting height of the ejector pin is controlled to accurately control the glue dispensing amount.

Specifically, the device further comprises a return spring 116, the return spring 116 is movably sleeved on the adjusting screw 115, and two ends of the return spring 116 are respectively abutted to the cylinder upper cover 102 and the piston 103.

Specifically, the material cylinder further comprises a U-shaped fixing bracket 117, the U-shaped fixing bracket 117 is detachably fixed on the outer side wall of the material cylinder 108 through a screw, and two ends of the U-shaped fixing bracket 117 are respectively provided with a mounting hole 1171.

Specifically, the outer peripheral wall of the upper end of the nozzle 113 is provided with an external thread, the material cylinder lower cover 112 is concavely provided with a second threaded hole 1121 communicated with the glue injection hole 1111, and the upper end of the nozzle 113 is detachably screwed in the second threaded hole 1121.

Specifically, the lower end of the thimble 104 and the upper end of the glue injection hole 1111 are both arranged in a conical structure.

Specifically, the utility model discloses a cylinder electric heater inlays and locates and sets up in the material jar, the concave first through-hole that runs through that is equipped with of upper end wall of material jar, the perforating screw revolves in the upper end setting of first through-hole, it inlays and locates the lower tip setting of first through-hole to seal the stopper, the lateral wall of material jar is equipped with the glue inlet that is linked together with first through-hole, the concave injecting glue hole that is equipped with a run through of upper end wall of sealing the stopper, the lower tip of thimble can seal the injecting glue hole setting, nozzle detachable sets up on the lower extreme wall of material jar lower cover, and nozzle and injecting glue hole intercommunication set up, heat the material jar through cylinder electric heater, avoid hot melt adhesive water to solidify, thereby the effectual smooth degree of hot melt adhesive water of having guaranteed, can guarantee normal rubber coating operation, the efficiency is improved, and the volume of gluing size is adjustable, moreover, the steam generator is simple.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An injection valve with a heating function is characterized by comprising an air cylinder, an air cylinder upper cover, a piston, an ejector pin, an air cylinder lower cover, a fixed column, a control air inlet joint, a material cylinder, a cylindrical electric heater, a perforation screw, a rubber sealing plug, a material cylinder lower cover and a nozzle, wherein the air cylinder upper cover is in threaded connection with the upper end of the air cylinder, the piston is arranged in the air cylinder in a vertically movable manner, the upper end of the ejector pin is fixedly connected with the piston, the air cylinder lower cover is fixed on the lower bottom wall of the air cylinder through a screw, two ends of the fixed column are respectively fixedly connected with the air cylinder lower cover and the material cylinder, a continuous air inlet is arranged on the outer side wall of the air cylinder, the control air inlet joint is arranged on the outer side wall of the air cylinder, the material cylinder lower cover is fixed on the lower bottom wall of the material cylinder through a screw, the cylindrical electric heater is embedded in the material, the material jar upper end wall is sunken to be equipped with a first through-hole that runs through, the perforating screw revolve in the upper end setting of first through-hole, it inlays to locate to seal the gluey stopper the lower tip setting of first through-hole, the lateral wall of material jar be equipped with the glue inlet that first through-hole is linked together, the upper end wall of sealing the stopper is sunken to be equipped with a injecting glue hole that runs through, the lower tip of thimble can with the upper end of injecting glue hole seals the butt setting, nozzle detachable sets up on the lower end wall of material jar lower cover, just the nozzle with injecting glue hole intercommunication sets up.

2. The injection valve with the heating function as claimed in claim 1, wherein there are two cartridge electric heaters, the outer sidewall of the material cylinder is recessed in parallel with second through holes adapted to the cartridge electric heaters, and the cartridge electric heaters are respectively embedded in the second through holes.

3. The injection valve with the heating function as claimed in claim 1, further comprising an adjusting nut and an adjusting screw, wherein the adjusting nut is fixed at an upper end of the adjusting screw, a first threaded hole is concavely formed at an upper end of the cylinder upper cover, the adjusting screw is screwed in the first threaded hole, and a lower end of the adjusting screw can be abutted against an upper end of the piston.

4. The injection valve with the heating function as claimed in claim 3, further comprising a return spring movably sleeved on the adjusting screw, wherein two ends of the return spring are respectively abutted against the cylinder upper cover and the piston.

5. The injection valve with the heating function as claimed in claim 1, further comprising a U-shaped fixing bracket, wherein the U-shaped fixing bracket is detachably fixed on the outer sidewall of the material cylinder by a screw, and two ends of the U-shaped fixing bracket are respectively provided with a mounting hole.

6. The injection valve with heating function as claimed in claim 1, wherein the outer peripheral wall of the upper end of the nozzle is provided with an external thread, the lower cover of the material cylinder is concavely provided with a second threaded hole communicated with the glue injection hole, and the upper end of the nozzle is detachably screwed in the second threaded hole.

7. The injection valve with heating function as claimed in claim 1, wherein the lower end portion of said thimble and the upper end portion of said glue injection hole are both arranged in a conical structure.