CN210969840U

CN210969840U - Powder coating extruder

Info

Publication number: CN210969840U
Application number: CN201921152377.3U
Authority: CN
Inventors: 艾庆林
Original assignee: Foshan Eribo Decoration Materials Co ltd
Current assignee: Foshan Eribo Decoration Materials Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-07-10
Anticipated expiration: 2029-07-22

Abstract

The utility model provides a powder coating extruder, which comprises a frame, a main machine barrel arranged on the frame, a feed inlet arranged above the main machine barrel, a screw rod rotationally connected in the main machine barrel, a discharge outlet arranged on the main machine barrel and far away from the feed inlet, and a driving mechanism arranged on the frame and positioned below the main machine barrel and driven by a transmission mechanism to rotate the screw rod; the main machine barrel comprises a left barrel and a right barrel, the left barrel and the right barrel are detachably and fixedly connected, the left barrel is located on one side of the screw, and the right barrel is located on the other side of the screw. The utility model discloses a general the inner structure is looked over in opening that the barrel split can be convenient fast, is convenient for wash, overhaul, the utility model discloses it is nimble convenient to extrude pressure adjustment, can satisfy multiple type powder coating's the operation of extruding, has improved the utilization ratio of equipment, reduces equipment cost of maintenance.

Description

Powder coating extruder

Technical Field

The utility model relates to a powder coating processing equipment field particularly, relates to a powder coating extruder.

Background

In the existing powder coating production process, one step of production process is to add a mixture of various raw materials into a base machine for melt extrusion. In this process, the existing extruder first feeds the mixture into the extrusion module through a hopper, which is used to supply the mixture to the extrusion module. The extrusion module heats and melts the mixture, and then extrudes the melted mixture by rotation of the screw.

Through a mass search, a powder coating extruder in the prior art is found to be disclosed as CN203543075U, which comprises a feed hopper and an extrusion module, and is characterized by further comprising: the extrusion module comprises a screw, a first driving module for driving the screw, a heating module for heating a mixture and a screw rotating speed detection module, the heating module comprises a heater and a temperature sensor, the input end of the control module is respectively connected with the temperature sensor and the screw rotating speed detection module, and the output end of the control module is respectively connected with the first driving module and the heater. The utility model discloses a powder coating extruder can accomplish the purpose of intensive mixing, the utility model discloses have fine stability, it is very convenient to use. Or as disclosed in publication No. CN204585788U, including a frame, an extrusion cylinder, a driving mechanism and an extrusion screw shaft, wherein the extrusion cylinder is installed on the frame, the extrusion screw shaft is located in the extrusion cylinder and connected with the extrusion cylinder through a shaft seat, and is coaxially distributed with the extrusion cylinder, the extrusion screw shaft is further connected with the driving mechanism, the extrusion screw shaft includes at least two sections of shaft bodies, and the two sections of shaft bodies are connected through a shaft sleeve, the outer surface of the shaft bodies is provided with a screw extrusion strip, the screw directions of the screw extrusion strips on two adjacent shaft bodies are the same, the screw pitches decrease progressively from the feeding side to the discharging side of the extrusion cylinder, and the screw pitches of the screw extrusion strips on the same shaft body are the same. This novel simple structure, extrusion pressure adjusts nimble convenience, can satisfy polytype powder coating's extrusion operation, has improved the utilization ratio of equipment on the one hand, and on the other hand also helps reduction in production cost and improves production efficiency, also helps improving the equipment maintenance rate of extruder simultaneously, reduces equipment cost of maintenance. Or the powder coating extruder disclosed in the publication number CN201712149U, which comprises a feed hopper, a machine barrel, a speed regulating motor, a cooling roller, a cooling belt, a crusher and a controller, wherein the speed regulating motor is electrically connected with the controller, the feed hopper is communicated with the machine barrel, the machine barrel is arranged above the cooling roller, the extruder further comprises a frequency converter, the frequency converter is respectively and electrically connected with the controller and the speed regulating motor, and the frequency converter is also connected with an emergency stop reversing switch; the sudden stop reversing switch is arranged on the machine base and is positioned beside the cooling roller. Adopt the utility model discloses the structure, the converter can change the electric current polarity, when having the foreign matter to drop on the chill roll, manual control scram reversal switch makes thereby the polarity that the converter changed the electric current make the buncher reversal, and the chill roll reversal, the foreign matter that drops on it will be thereupon outwards changeing and from the top fall to the chill roll has been protected effectively.

In summary, the powder coating extruder of the prior art requires dismantling the integral cylinder when the screw needs to be dismantled and replaced, which is time-consuming and labor-consuming, and may cause damage to the screw or the cylinder during dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a powder coating extruder to solve the problems,

in order to achieve the above purpose, the utility model adopts the following technical scheme:

a powder coating extruder comprises a rack, a main machine barrel arranged on the rack, a feed inlet arranged above the main machine barrel, a screw rod rotationally connected in the main machine barrel, a discharge outlet arranged on the main machine barrel and far away from the feed inlet, and a driving mechanism arranged on the rack and positioned below the main machine barrel and driving the screw rod to rotate through a transmission mechanism; the main machine barrel comprises a left barrel and a right barrel, the left barrel and the right barrel are detachably and fixedly connected, the left barrel is located on one side of the screw, and the right barrel is located on the other side of the screw.

Further, a plurality of the left machine barrel and the right machine barrel are of sectional structures and are paired one by one.

Furthermore, the screw rod is of a sectional structure, and the screw pitches of the screw rod are gradually reduced from the feed inlet to the discharge outlet.

Further, the left machine barrel is mounted on the rack, the right machine barrel is of a sectional type structure and is fixedly connected with the left machine barrel to form the main machine barrel with a circular cavity in the middle, and the right machine barrel closest to the feed port is fixedly connected with the left machine barrel and the rack respectively.

Further, the right barrel is mounted on the rack, the left barrel is of a sectional structure and is fixedly connected with the right barrel to form the main machine barrel with a circular cavity in the middle, and the left barrel closest to the feed port is fixedly connected with the right barrel and the rack respectively.

The utility model discloses the beneficial technological effect who gains is:

1. through inciting somebody to action the barrel split, can be fast convenient open look over inner structure, be convenient for wash, overhaul.

2. The extrusion pressure is flexibly and conveniently adjusted, and the extrusion operation of various types of powder coatings can be met.

3. The utilization rate of the equipment is improved, and the maintenance cost of the equipment is reduced.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic diagram of a powder coating extruder according to one embodiment of the present invention;

FIG. 2 is a schematic diagram of a powder coating extruder of the prior art.

Description of reference numerals: 1-a main machine barrel; 2-a screw; and 3, a feed inlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The utility model relates to a powder coating extruder, according to the following example of the demonstration that shows 1-2:

the first embodiment is as follows:

a powder coating extruder comprises a rack, a main machine barrel 1 arranged on the rack, a feed inlet 3 arranged above the main machine barrel 1, a screw rod 2 rotatably connected in the main machine barrel, a discharge outlet arranged on the main machine barrel 1 and far away from the feed inlet 3, and a driving mechanism which is arranged on the rack and is positioned below the main machine barrel 1 and drives the screw rod 2 to rotate through a transmission mechanism; wherein the main machine barrel 1 comprises a left barrel and a right barrel which are fixedly connected in a detachable mode, the left barrel is located on one side of the screw rod 2, and the right barrel is located on the other side of the screw rod 2.

The screw rod 2 is of a sectional type structure, one end of each section is fixedly connected, and the screw pitches of the screw rod 2 are gradually decreased from the feed port 3 to the discharge port.

And the left machine barrel and the right machine barrel are of sectional structures and are paired one by one.

Optionally, the left barrel is mounted on the rack, the right barrel is of a sectional structure and is fixedly connected with the left barrel to form the main machine barrel 1 with a circular cavity in the middle, and the right barrel closest to the feed port 3 is fixedly connected with the left barrel and the rack respectively.

Optionally, the right barrel is mounted on the rack, the left barrel is of a sectional structure and is fixedly connected with the right barrel to form the main machine barrel 1 with a circular cavity in the middle, and the left barrel closest to the feed port 3 is fixedly connected with the right barrel and the rack respectively.

Example two:

a powder coating extruder comprises a rack, a main machine barrel 1 arranged on the rack, a feed inlet 3 arranged above the main machine barrel 1, a screw rod 2 rotatably connected in the main machine barrel, a discharge outlet arranged on the main machine barrel 1 and far away from the feed inlet 3, and a driving mechanism which is arranged on the rack and is positioned below the main machine barrel 1 and drives the screw rod 2 to rotate through a transmission mechanism; wherein the main machine barrel 1 comprises a left barrel and a right barrel which are fixedly connected in a detachable mode, the left barrel is located on one side of the screw rod 2, and the right barrel is located on the other side of the screw rod 2. The transmission mechanism is a reduction gearbox, specifically can be a gear reduction gearbox, and through model searching, technicians can directly purchase the reduction gearbox on the market, and can directly look over a searching technical specification to know when needing to know the model of equipment, so that the transmission mechanism is not described repeatedly. The driving mechanism is a motor, specifically can be a servo motor, and can be found through the model, so that the technical personnel can directly purchase on the market, and can directly read the technical specification of finding to know when needing to know the model of the equipment, and therefore the driving mechanism is not repeated.

The left machine barrel and the right machine barrel are of sectional structures and are fixedly connected through fasteners in a one-to-one matching mode.

Optionally, the left barrel is mounted on the rack, the right barrel is of a sectional structure and is fixedly connected with the left barrel to form the main machine barrel 1 with a circular cavity in the middle, and the right barrel closest to the feed port 3 is fixedly connected with the left barrel and the rack through fasteners respectively.

Optionally, the right barrel is mounted on the rack, the left barrel is of a sectional structure and is fixedly connected with the right barrel to form the main machine barrel 1 with a circular cavity in the middle, and the left barrel closest to the feed port 3 is fixedly connected with the right barrel and the rack through fasteners respectively.

The split type main machine barrel 1 can be opened quickly and conveniently, is convenient to clean and overhaul, only corresponding barrels can be disassembled for overhaul after a certain part is determined to be out of order, and the split type main machine barrel 1 can guarantee machining precision and reduce errors. When the length-diameter ratio needs to be changed, the change can be more convenient.

The screw pitch of the screw 2 at the feed port end is larger, and the screw pitch of the screw 2 at the discharge port end is gradually smaller. The large-pitch feeding port end is favorable for receiving materials and rapidly pushing the raw materials to the discharging end. Therefore, the raw materials are retained in the main machine cylinder 1 for a certain time, and when the main machine cylinder 1 works, higher pressure exists in the main machine cylinder 1, so that the material is well extruded.

The extruder further comprises a temperature control system, and the temperature control system is used for adjusting the temperature in the main machine barrel 1 so as to influence the luster and the texture size of the product.

When the extruder is operated, the raw materials and the curing agent or only the raw materials are fed into the extruder through the feed inlet, are extruded and conveyed by the screw 2 to be melted and are mixed at a molecular level, and the pigment clusters are crushed into original particles and are uniformly dispersed in the melted raw material/curing agent mixture together with the additives.

Example three:

The screw rod 2 is of a sectional type structure, one end of each section is fixedly connected, and the screw pitches of the screw rod 2 are gradually decreased from the feed port 3 to the discharge port. The screw pitch of the screw 2 at the feed port end is larger, and the screw pitch of the screw 2 at the discharge port end is gradually smaller. The large-pitch feeding port end is favorable for receiving materials and rapidly pushing the raw materials to the discharging end. Therefore, the raw materials are retained in the main machine cylinder 1 for a certain time, and when the main machine cylinder 1 works, higher pressure exists in the main machine cylinder 1, so that the material is well extruded.

The left machine barrel and the right machine barrel are of sectional structures and are fixedly connected through fasteners in a one-to-one matching mode. The lower parts of the left machine barrel and the right machine barrel are connected through a hinge, and the upper parts of the left machine barrel and the right machine barrel are connected through a locking fastener, so that the working strength of after-sale maintenance personnel is reduced. Meanwhile, the left machine barrel and the right machine barrel of each section are connected through a sealing sleeve.

To sum up, the utility model provides a powder coating extruder, through will the inner structure is looked over in opening that the barrel split can be convenient fast, is convenient for wash, overhaul, the utility model discloses it is nimble convenient to extrude pressure adjustment, can satisfy polytype powder coating's the operation of extruding, has improved the utilization ratio of equipment, reduces equipment cost of maintenance.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. A powder coating extruder is characterized by comprising a rack, a main machine barrel arranged on the rack, a feed inlet arranged above the main machine barrel, a screw rod rotationally connected in the main machine barrel, a discharge outlet arranged on the main machine barrel and far away from the feed inlet, and a driving mechanism which is arranged on the rack and is positioned below the main machine barrel and drives the screw rod to rotate through a transmission mechanism; wherein the main machine barrel comprises a left barrel and a right barrel, the left barrel and the right barrel are detachably and fixedly connected, the left barrel is positioned on one side of the screw, and the right barrel is positioned on the other side of the screw;

the left machine barrel is arranged on the rack, the right machine barrel is of a sectional structure and is fixedly connected with the left machine barrel to form the main machine barrel with a circular cavity in the middle, and the right machine barrel closest to the feed port is fixedly connected with the left machine barrel and the rack respectively;

or the right cylinder is arranged on the rack, the left cylinder is of a sectional structure and is fixedly connected with the right cylinder to form the host machine cylinder with a circular cavity in the middle, and the left cylinder closest to the feed port is fixedly connected with the right cylinder and the rack respectively.

2. A powder coating extruder as recited in claim 1, wherein the left and right barrels are of segmented construction and are paired one to the other.

3. A powder coating extruder as claimed in claim 1, wherein the screw is of a segmented construction and the pitch of the screw decreases in sequence from the feed inlet to the discharge outlet.