CN210013816U - Gear pump and have its extruder, production line - Google Patents
Gear pump and have its extruder, production line Download PDFInfo
- Publication number
- CN210013816U CN210013816U CN201920484647.4U CN201920484647U CN210013816U CN 210013816 U CN210013816 U CN 210013816U CN 201920484647 U CN201920484647 U CN 201920484647U CN 210013816 U CN210013816 U CN 210013816U
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- pump
- gear
- gear pump
- end plate
- extruder
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Abstract
The utility model belongs to machinery impeller pump field especially relates to a gear pump and have its extruder, production line, the utility model provides a gear pump is through setting up the feedstock channel with the feed inlet intercommunication to there is the branching channel more than two in the one end intercommunication of feedstock channel's material output, and then makes the pump case have the discharge gate more than two, need not to add the gear pump, can realize that an extruder corresponds many production lines, and is rational in infrastructure, compact, has both improved the rate of utilization of extruder, has improved production efficiency again under the condition that does not increase the cost.
Description
Technical Field
The utility model belongs to machinery impeller pump field especially relates to a gear pump and have its extruder, production line.
Background
In the field of resin and rubber production, operations such as melting, mixing and extruding materials according to a ratio are required, an extruder is a common device in the field, because the extruder is high in price and large in occupied space, in order to improve the capacity and save the cost in the extrusion production process, one extruder is generally adopted to simultaneously supply two production lines, and in order to ensure the product quality of each production line, a gear pump is required correspondingly under normal conditions, for example, the patent document with the application publication number of CN109291403A describes a one-die double-outlet extruder which realizes that one extruder corresponds to a plurality of production lines by arranging a flow distributor, specifically, a first gear pump, a second gear pump and corresponding first extrusion head and second extrusion head respectively; in addition, the gear pump applied to the extruder in the prior art is a gear pump provided in patent document No. CN102392818B, and if two gear pumps are provided, not only a certain space is required, but also the installation procedure is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gear pump and have its extruder, production line to the problem that the installation step that causes when setting up two gear pumps is complicated among the solution prior art.
The gear pump of the utility model adopts the following technical scheme: the utility model provides a gear pump, is including the pump case that has upper end plate, lower end plate, a side of pump case is equipped with the feed inlet, the feed inlet department of pump case be equipped with to the inside feedstock channel who extends of pump case, this feedstock channel has more than two tributary passageways in material flow direction intercommunication, the discharge end of more than two tributary passageways forms the discharge gate more than two of gear pump.
Preferably, all be equipped with the gear train on the tributary passageway, just the gear train includes the driving gear axle that is connected with actuating mechanism and has the driving gear, with driving gear axle snap-fit's driven gear axle that has driven gear.
Preferably, the radial dimension of the feed channel increases progressively with the direction of flow of the material.
Preferably, one end of the branch channel at the discharge port is of a flaring structure.
Preferably, the number of the branch passages and the number of the discharge holes are two.
Preferably, the pump shell is in a prism structure with five side faces, and the discharge port is arranged on the side face opposite to the feed port, so that the feed channel and the two branch channels form a herringbone structure.
Preferably, the pump shell is provided with electric heating holes for installing corresponding electric heating rods on two sides of the material flowing direction so as to avoid material solidification.
Preferably, both ends of the driving gear shaft extend out of the upper end plate and the lower end plate of the pump shell, screw sleeves for preventing materials from leaking are arranged at the joints of both ends of the driving gear shaft and the upper end plate and the lower end plate, and the screw sleeves at the positions of the upper end plate and the lower end plate on the driving gear shaft are opposite in rotation direction.
The utility model discloses an extruder adopts following technical scheme, including feeding device, screw rod, gear pump, the gear pump is the same with the technical scheme of above-mentioned gear pump, is not being repeated.
The utility model discloses a production line adopts following technical scheme: the utility model provides a production line, includes the extruder, be equipped with the gear pump on the extruder, the gear pump is the same with the technical scheme of above-mentioned gear pump, is not being repeated.
The utility model has the advantages that:
the utility model provides a gear pump is through setting up the feedstock channel with the feed inlet intercommunication to there is the branching channel more than two in the one end intercommunication of feedstock channel's material output, and then makes the pump case have the discharge gate more than two, need not to add the gear pump, can realize that an extruder corresponds many production lines, and is rational in infrastructure, compact, has both improved the rate of utilization of extruder, has improved production efficiency under the condition of not increasing cost again.
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 these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a gear pump according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
fig. 6 is a first schematic structural view of the pump case of the gear pump of the present invention when the upper end plate and the lower end plate are not installed;
fig. 7 is a second schematic structural view of the pump case of the gear pump of the present invention when the upper end plate and the lower end plate are not installed;
reference numerals:
1: a pump housing; 2: a first drive gear shaft; 3: a first driven gear shaft; 4: a first bearing shell; 5: a second bearing shell; 6: a first right-handed helical casing; 7: a first left-handed screw sleeve; 8: a first cooling jacket; 9: an upper end plate; 10: a second drive gear shaft; 11: a second driven gear shaft; 12: a third bearing shell; 13: a fourth bearing shell; 14: a second left-handed screw sleeve; 15: a second right-handed helical casing; 16: a second cooling jacket; 17: a lower end plate; 18: a feed inlet; 19: a first discharge port; 20: a second discharge port; 21: a feed channel; 22: a first bypass channel; 23: a second branch passage; 24: the hole is electrically heated.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the gear pump of the utility model, as shown in fig. 1 to 7, a gear pump comprises a pump shell 1 with an upper end plate 9 and a lower end plate 17, a side surface of the pump shell 1 is provided with a feed inlet 18, a feed channel 21 extending towards the interior of the pump shell 1 is arranged at the feed inlet 18 of the pump shell 1, the feeding channel 21 is communicated with more than two branch channels in the material flowing direction, the discharge ends of the more than two branch channels form more than two discharge holes of the gear pump, by arranging the feeding channel 21 communicated with the feeding hole 18 and communicating more than two branch channels at one end of the feeding channel 21 for outputting materials, the pump shell 1 is provided with more than two discharging holes without additionally arranging a gear pump, the extruder can correspond to a plurality of production lines, is reasonable and compact in structure, improves the utilization rate of the extruder, and improves the production efficiency under the condition of not increasing the cost.
Furthermore, the number of the branch channels and the number of the discharge ports are two, namely a first branch channel 22, a second branch channel 23, a first discharge port 19 and a second discharge port 20; the included angle between the first branch channel 22 and the second branch channel 23 is 130 degrees, and the manner of 130-degree arrangement can enable the feed channel 21, the first branch channel 22 and the second branch channel 23 to form a substantially herringbone structure, which is convenient for material separation, in this embodiment, the material inlet ends of the first branch channel 22 and the second branch channel 23 are arranged at intervals, since the gear pump is used in the extruder in this embodiment, in order to prevent the material from being solidified in the gear pump, the pump housing 1 is provided with the electric heating holes 24 at both sides in the material flow direction, the number of the electric heating holes 24 in this embodiment is 8, and 8 electric heating holes 24 all run through upper end plate 9, lower end plate 17 of pump case 1, specifically come the piece, 8 electric heating holes 24 distribute in the corresponding position department of feedstock channel 21, first tributary passageway 22, second tributary passageway 23 both sides to can continuously effectively heat the gear pump.
Furthermore, a first gear set and a second gear set are arranged on the first branch channel 22 and the second branch channel 23 respectively, the first gear set comprises a first driving gear shaft 2 which is connected with a driving mechanism and is provided with a driving gear, and a first driven gear shaft 3 which is in snap fit with the first driving gear shaft 2 and is provided with a driven gear, and a first bearing bush 4 and a second bearing bush 5 which are used for being connected with the pump shell 1 are arranged on the first driving gear shaft 2 and the first driven gear shaft 3 respectively; the second gear set comprises a second driving gear shaft 10 which is connected with the driving mechanism and is provided with a driving gear, and a second driven gear shaft 11 which is meshed with the second driving gear shaft 10 and is provided with a driven gear, wherein a third bearing bush 12 and a fourth bearing bush 13 which are used for being connected with the pump shell 1 are arranged on the second driving gear shaft 10 and the second driven gear shaft 11.
Furthermore, in the embodiment, the driving gear shaft and the driving gear and the driven gear on the driven gear shaft in the first gear set and the second gear set are all helical gears, so that materials can be prevented from being accumulated at the root of the gears, and the flow of the materials is facilitated; the radial dimension of the feeding channel 21 is gradually increased along with the flowing direction of the materials, and the branch channel is of a flaring structure at one end of the discharge port, so that the materials can flow more smoothly, and blockage is avoided.
Further, two ends of the first driving gear shaft 2 and the second driving gear shaft 10 extend out of the upper end plate 9 and the lower end plate 17 of the pump case 1, in this embodiment, two sets of driving mechanisms are used for respectively driving the first gear set and the second gear set when in actual use, corresponding motors are connected with one ends of the first driving gear shaft 2 and the second driving gear shaft 10 on the lower end plate 17, the non-driving side shaft ends of the first driving gear shaft 2 and the second driving gear shaft 10 also extend out of the upper end plate 9 of the pump case 1, due to the adoption of the helical gear, axial force can be generated in the meshing process, the stress of the gear is unbalanced, so that the abrasion of the gear is intensified, the two ends of the first driving gear shaft 2 and the second driving gear shaft 10 extend out of the pump case 1, so that the stress of the driving gear shaft is more balanced, the abrasion of the gear is lightened, the service life of the high gear pump is prolonged, and the first driving gear shaft 2 and the second, The joints of the two ends of the second driving gear shaft 10 and the upper end plate 9 and the lower end plate 17 are provided with screw sleeves for preventing materials from leaking, the screw sleeves at the positions of the upper end plate 9 and the lower end plate 17 on the first driving gear shaft 2 and the second driving gear shaft 10 are opposite in rotation direction, the sealing performance of the driving gear shaft can be improved by arranging the screw sleeves, specifically, the rotation direction of the first driving gear shaft 2 is left-handed, and the screw sleeves on the first driving gear shaft 2 are respectively a first left-handed screw sleeve 7 at the driving end and a first right-handed screw sleeve 6 at the non-driving shaft end; the rotation direction of the second driving gear shaft 10 is right-handed, and the screw sleeves on the second driving gear shaft 10 are respectively a second right-handed screw sleeve 15 at the driving end and a second left-handed screw sleeve 14 at the non-driving shaft end.
Further, a first cooling jacket 8 for cooling is arranged on the non-driving shaft end of the first driving gear shaft 2 and outside the pump shell 1, and a second cooling jacket 16 for cooling is arranged on the non-driving shaft end of the second driving gear shaft 10 and outside the pump shell 1.
Further, the pump case 1 is in a prism structure with five side surfaces, and the discharge port is arranged on the side surface opposite to the feed port 18 and on the opposite side surface, so that the material can flow smoothly.
It should be noted that in other embodiments of the gear pump of the present invention, the feeding port is provided with a copper gasket for sealing, the discharging port is provided with a winding pad for sealing, and the feeding port and the discharging port are both provided with threaded holes for connecting with corresponding devices; the first driving gear shaft 2 and the second driving gear shaft 10 are connected with the power output end of the corresponding driving device through splines, so that the installation is more convenient and the transmission torque is larger compared with a flat key; the shape of the pump housing 1 may be rectangular or circular or polygonal; the number of branch channels can be 3 or 4; when two branch channels are provided, the two branch channels can be symmetrical along the left-right direction, and can also be arranged according to the requirements of production line arrangement; the flaring structure can be a conical surface or a spherical surface.
The utility model discloses an embodiment of extruder. The utility model provides an extruder, includes feeding device, screw rod, gear pump, the gear pump is the same with the specific implementation of above-mentioned gear pump, does not describe in detail.
The utility model discloses an embodiment of production line. A production line comprises an extruder, wherein a gear pump is assembled on the extruder, and the gear pump is the same as the specific implementation mode of the gear pump and is not described in detail.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a gear pump, is including having the pump case of upper end plate, lower end plate, a side of pump case is equipped with feed inlet, its characterized in that: the pump comprises a pump shell and is characterized in that a feeding channel extending towards the inside of the pump shell is arranged at a feeding hole of the pump shell, the feeding channel is communicated with more than two branch channels in the material flowing direction, and the discharging ends of the more than two branch channels form more than two discharging holes of the gear pump.
2. The gear pump of claim 1, wherein: all be equipped with the gear train on the tributary passageway, just the gear train include be connected with actuating mechanism have the driving gear axle of driving gear, with driving gear axle interlock complex have the driven gear axle of driven gear.
3. The gear pump of claim 2, wherein: the radial dimension of the feed channel increases gradually with the flow direction of the material.
4. The gear pump of claim 3, wherein: and one end of the branch channel at the discharge port is of a flaring structure.
5. The gear pump of claim 4, wherein: the number of branch channels and the number of discharge holes are two.
6. The gear pump of claim 5, wherein: the pump shell is in a prism structure with five side faces, the discharge port is arranged on the side face opposite to the feed port, and the feed channel and the two branch channels form a herringbone structure.
7. Gear pump according to any of claims 1 to 6, characterized in that: and the pump shell is provided with electric heating holes for installing corresponding electric heating rods at two sides of the material flowing direction so as to avoid material solidification.
8. Gear pump according to any of claims 2 to 6, characterized in that: the two ends of the driving gear shaft extend out of the upper end plate and the lower end plate of the pump shell, spiral sleeves for preventing materials from being leaked are arranged at the joints of the two ends of the driving gear shaft and the upper end plate and the lower end plate, and the spiral directions of the spiral sleeves at the positions of the upper end plate and the lower end plate on the driving gear shaft are opposite.
9. The utility model provides an extruder, includes feeding device, screw rod, gear pump, its characterized in that: the gear pump is the gear pump of any one of claims 1 to 8.
10. The utility model provides a production line, includes the extruder, be equipped with the gear pump on the extruder, its characterized in that: the gear pump is the gear pump of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484647.4U CN210013816U (en) | 2019-04-11 | 2019-04-11 | Gear pump and have its extruder, production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484647.4U CN210013816U (en) | 2019-04-11 | 2019-04-11 | Gear pump and have its extruder, production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013816U true CN210013816U (en) | 2020-02-04 |
Family
ID=69314790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484647.4U Active CN210013816U (en) | 2019-04-11 | 2019-04-11 | Gear pump and have its extruder, production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013816U (en) |
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2019
- 2019-04-11 CN CN201920484647.4U patent/CN210013816U/en active Active
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