CN210546050U

CN210546050U - Accurate control device of needle type valve

Info

Publication number: CN210546050U
Application number: CN201921036075.XU
Authority: CN
Inventors: 汪湖川
Original assignee: Suzhou Gefan Hardware Plastic Industry Co Ltd
Current assignee: Suzhou Gefan Hardware Plastic Industry Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-19
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a needle valve accurate control device, which relates to the technical field of dispensing control application, and comprises a mounting frame, a linear stepping motor vertically fixed on the mounting frame and a needle type material stopping rod vertically arranged, wherein a screw rod of the linear stepping motor passes through the top end of the mounting frame clamped with a coupler, the bottom end of the coupler is clamped with the needle type material stopping rod, the side wall of the mounting frame is fixed with a fixing frame through a bolt, one side of the fixing frame is vertically fixed with a feeding cylinder, the side wall of the feeding cylinder is communicated with a feeding pipe, the bottom of the feeding cylinder is connected with a discharging pipe through an adapter, a discharging passage is arranged in the middle of the discharging pipe in a penetrating way, the material stopping design at a discharging port is adopted, after the valve is closed, the material stopping effect is clean and free from raw material leakage and dragging phenomenon, the needle type material stopping rod is, the outflow condition of raw materials can be effectively controlled, and the outflow acceleration phenomenon can not occur when the valve is closed.

Description

Accurate control device of needle type valve

Technical Field

The utility model relates to a control application technical field is glued to the point, especially involves the accurate controlling means of pin type valve.

Background

With the rapid development of industrial automation, the demand for automation is also higher and higher. The structure and control technology of the dispensing control valve are continuously updated and iterated to adapt to higher technical requirements, the commonly used dispensing control valves are divided into two types, one type is a piston type material pushing structure, a piston is pushed downwards, a material outlet discharges materials, the piston stops moving, the material outlet stops discharging materials, the other type of valve structure is a material stopping valve designed above the material outlet at a certain distance, and the material stopping effect of the valve structure is better than that of the piston type material pushing structure.

But current some glue control valve still has certain defect when using, when to liquid or the raw materials that easily flows, current valve structure is because there is certain distance between valve and the discharge gate, and the raw materials in this section distance can not in time stop the raw materials after the valve is shut, has a small amount of raw materials to flow, and the speed of closing the valve is wayward, and the speed of closing the valve is too fast, has some raw materials to be extruded at a high speed in the moment of closing the valve, and it is too slow to close the valve, and the discharge gate has the raw materials phenomenon of dragging when closing the valve. Therefore, it is necessary to provide a precise control device for needle valve in order to overcome the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model aims at providing a needle type valve accurate control device, can not have the raw materials to flow after its valve is closed to it can accurate control to close the valve action speed fast slowly.

For realizing the above-mentioned purpose, the utility model discloses an accurate controlling means of pin type valve, the mounting bracket comprises a mounting bracket, the linear stepping motor of vertical fixation on the mounting bracket ends the material pole with the pin type that is perpendicular setting, linear stepping motor's screw rod passes the top of mounting bracket block shaft coupling, the bottom block pin type of shaft coupling ends the material pole, the lateral wall of mounting bracket passes through the bolt fastening mount, mount one side vertical fixation feeding section of thick bamboo, the lateral wall intercommunication inlet pipe of feeding section of thick bamboo, the discharging pipe is passed through the adapter in the bottom of feeding section of thick bamboo, the discharging pipe is the toper structure, the discharging way is seted up in the middle part of discharging pipe, the top intercommunication feeding section of thick bamboo that the discharging was said, and the discharging way is the toper.

Needle type ends material pole by from top to bottom integrated into one piece's thick pole, king-rod and thin pole triplex, wherein thick pole top block shaft coupling, a feeding section of thick bamboo is passed at thick pole middle part, and thick pole bottom is deepened in the cavity of a feeding section of thick bamboo, and the king-rod is located the cavity of a feeding section of thick bamboo, and the thin pole stretches into in the discharge way of discharging pipe, and the diameter of thin pole and the diameter looks adaptation of discharge way bottom.

Preferably, the mounting bracket comprises a side plate and a transverse plate, the transverse plate is horizontally welded to the top of the side plate, the stepping motor is vertically fixed to the top of the transverse plate through a bolt, and a slotted hole is formed in the center of the transverse plate in a penetrating mode and penetrates through the screw rod.

Preferably, the mount comprises the fixed plate of parallel arrangement from top to bottom and the left connecting plate of two fixed plates of connection, and the fixed slot that is the rectangle structure is all seted up to the right side edge of two fixed plates, and the lug of rectangle structure is all protruding to establish in the top and the bottom of a feeding section of thick bamboo, and the block lug of joint in the fixed slot, a feeding section of thick bamboo are fixed between two fixed plates to the length of a feeding section of thick bamboo equals the distance between two fixed plates.

Preferably, the convex block at the top end of the feeding cylinder is screwed with the sealing element through threads, the top end of the sealing element is of a circular structure, a slotted hole is formed in the middle of the sealing element in a penetrating mode, the diameter of the slotted hole is matched with that of a thick rod of the needle type material stopping rod, and the thick rod penetrates through the slotted hole and extends into the feeding cylinder.

The utility model discloses an accurate controlling means of pin type valve has following beneficial effect:

1. the utility model discloses a valve structure adopts and ends the material design at the discharge gate, and the valve is closed the back, ends the clean advantage of material effect and falls, can not have the raw materials to spill, the dilatory phenomenon appears.

2. The needle type material stopping rod is driven by a linear stepping motor, the switching movement speed of the needle type material stopping rod is accurate and controllable, the outflow condition of the raw materials can be effectively controlled at the moment of opening and closing the valve, and particularly, the outflow acceleration phenomenon cannot occur when the valve is closed.

Drawings

Fig. 1 is a schematic view of the overall structure of the needle type valve precise control device provided by the present invention.

Fig. 2 is a schematic view of a closed state structure of the precise control device of the needle valve in fig. 1.

Fig. 3 is a structural diagram illustrating an opening state of the precise control device of the needle valve in fig. 1.

The corresponding part names indicated by the numbers and letters in the drawings: 1. a mounting frame; 2. a linear stepper motor; 3. a needle type material stopping rod; 4. a screw; 5. a coupling; 6. a feeding cylinder; 7. a seal member; 8. a feed pipe; 9. a fixed mount; 10. an adapter; 11. a discharge pipe; 31. a thick rod; 32. a middle rod; 33. a thin rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

As shown in figure 1, the needle type valve precise control device provided by the utility model comprises a mounting frame 1, a linear stepping motor 2 vertically fixed on the mounting frame 1 and a needle type material stopping rod 3 vertically arranged, a screw rod 4 of the linear stepping motor 2 passes through the mounting frame 1 and is clamped at the top end of a shaft coupler 5, the bottom end of the shaft coupler 5 is clamped with the needle type material stopping rod 3, the side wall of the mounting frame 1 is fixed with a fixing frame 9 through a bolt, a feeding cylinder 6 is vertically fixed at one side of the fixing frame 9, the side wall of the feeding cylinder 6 is communicated with a feeding pipe 8, the bottom of the feeding cylinder 6 is connected with a discharging pipe 11 through an adapter 10, the discharging pipe 11 is in a conical structure, a discharging channel is arranged in the middle of the discharging pipe 11 in a penetrating way, the top end of the discharging channel is communicated with the feeding cylinder 6, the discharging channel is in a conical structure, the diameter of the discharging channel is gradually, linear stepping motor 2 turns into linear motion to rotary motion inside the motor, through the accurate control screw rod 4 of nut with screw rod 4 looks meshing reciprocate perpendicularly, the needle type material stopping rod 3 of being connected with screw rod 4 through shaft coupling 5 moves along with screw rod 4 together, inlet pipe 8 is connected with the conveying pipeline, raw materials in the conveying pipeline enter into feed cylinder 6 by inlet pipe 8, and spill over by discharging pipe 11 below feed cylinder 6 under the effect of pressure, when needing to stop the ejection of compact, linear stepping motor 2 control screw rod 4 moves certain distance perpendicularly downwards, needle type material stopping rod 3 is along with screw rod 4 together downstream, the 3 lower extremes of needle type material stopping rod extend to the discharge gate, can just seal the discharge gate.

As shown in fig. 2 and fig. 3, the needle type material stopping rod 3 is composed of a thick rod 31, a middle rod 32 and a thin rod 33 which are integrally formed from top to bottom, wherein the top end of the thick rod 31 is clamped with the coupler 5, the middle part of the thick rod 31 passes through the feeding barrel 6, the bottom end of the thick rod 31 is inserted into the cavity of the feeding barrel 6, the middle rod 32 is positioned in the cavity of the feeding barrel 6, the thin rod 33 is inserted into the discharging channel of the discharging pipe 11, the diameter of the thin rod 33 is matched with that of the bottom end of the discharging channel, and when the material is stopped, the thin rod 33 is just clamped at the bottom end of the discharging channel to block the discharging channel.

As the utility model discloses a technical optimization scheme, mounting bracket 1 comprises curb plate and diaphragm two parts, and the diaphragm horizontal welding is at the top of curb plate, and bolt vertical fixation step motor is passed through at the top of diaphragm, and the central point of diaphragm puts and runs through to set up the slotted hole and passes screw rod 4.

Through adopting above-mentioned technical scheme to can be fixed the installation of whole controlling means through the curb plate, and utilize the diaphragm to vertically fix linear stepping motor 2, guarantee that screw rod 4 can reciprocate perpendicularly.

As a technical optimization scheme of the utility model, mount 9 comprises upper and lower parallel arrangement's fixed plate and the left connecting plate of two fixed plates of connection, and the fixed slot that is the rectangle structure is all seted up to the right side edge of two fixed plates, and the lug of rectangle structure is all protruding to establish in the top and the bottom of feed cylinder 6, and the block lug in the fixed slot, feed cylinder 6 are fixed between two fixed plates to the length of feed cylinder 6 equals the distance between two fixed plates.

Through adopting above-mentioned technical scheme to can utilize fixed slot block fixture block, fix the 6 blocks of a feeding section of thick bamboo between two fixed plates, guarantee that a feeding section of thick bamboo 6 can block fixed firm stable.

As a technical optimization scheme of the utility model, the lug on 6 tops of feeding section of thick bamboo connects sealing member 7 through the screw soon, and 7 tops of sealing member are circular structure, and the middle part of sealing member 7 runs through and sets up the slotted hole, and the diameter of slotted hole and the thick pole 31 diameter looks adaptation of needle type material stopping rod 3, and thick pole 31 passes the slotted hole and stretches into the inside of feeding section of thick bamboo 6.

By adopting the technical scheme, the top of the feeding cylinder 6 can be closed by the sealing member 7.

The utility model discloses an accurate controlling means of pin type valve is when using, because linear stepping motor 2's velocity of motion can accurate control, the distance that screw rod 4 reciprocated and the speed that reciprocates also can obtain accurate control, linear stepping motor 2 control screw rod 4 certain distance of vertical downstream, pin type material stopping rod 3 is along with screw rod 4 together downstream, and 3 lower extremes of pin type material stopping rod extend the discharge gate, can just seal the discharge gate, can solve the point and glue and drag or pile bad phenomena such as gluing when ending, have important meaning to some high-demand products.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Accurate controlling means of pin type valve which characterized in that: the feeding device comprises a mounting frame, a linear stepping motor and a needle type material stopping rod, wherein the linear stepping motor is vertically fixed on the mounting frame, the needle type material stopping rod is vertically arranged, a screw rod of the linear stepping motor penetrates through the top end of the mounting frame clamped with a coupler, the bottom end of the coupler is clamped with the needle type material stopping rod, the side wall of the mounting frame is fixed with a fixing frame through a bolt, a feeding barrel is vertically fixed on one side of the fixing frame, the side wall of the feeding barrel is communicated with a feeding pipe, the bottom of the feeding barrel is connected with a discharging pipe through an adapter, the discharging pipe is of a conical structure, a discharging channel penetrates through the middle of the discharging pipe, the top end of the discharging channel is communicated with the feeding barrel;

needle type ends material pole by from top to bottom integrated into one piece's thick pole, king-rod and thin pole triplex, wherein thick pole top block shaft coupling, a feeding section of thick bamboo is passed at thick pole middle part, thick pole bottom is deepened in the cavity of a feeding section of thick bamboo, the king-rod is located the cavity of a feeding section of thick bamboo, thin pole stretches into in the discharge way of discharging pipe, just diameter looks adaptation of thin pole and discharge way bottom.

2. The needle valve precise control device of claim 1, wherein: the mounting bracket comprises a side plate and a transverse plate, the transverse plate is horizontally welded to the top of the side plate, the top of the transverse plate is used for vertically fixing the stepping motor through a bolt, and a slotted hole is formed in the center of the transverse plate in a penetrating mode and penetrates through the screw rod.

3. The needle valve precise control device of claim 2, wherein: the fixed frame comprises fixed plate and the left connecting plate of connecting two fixed plates of parallel arrangement from top to bottom, two the fixed slot that is the rectangle structure is all seted up to the right side edge of fixed plate, the lug of rectangle structure is all protruding to establish at the top and the bottom of a feeding section of thick bamboo, the block lug in the fixed slot, a feeding section of thick bamboo is fixed two between the fixed plate, and the length of a feeding section of thick bamboo equals the distance between two fixed plates.

4. The needle valve precise control device of claim 3, wherein: the convex block at the top end of the feeding cylinder is connected with the sealing element in a screwed mode through threads, the top end of the sealing element is of a circular structure, a slotted hole is formed in the middle of the sealing element in a penetrating mode, the diameter of the slotted hole is matched with that of a thick rod of the needle type material stopping rod, and the thick rod penetrates through the slotted hole and extends into the feeding cylinder.