CN109882406B - Double-tooth feeding type rubber gear pump - Google Patents
Double-tooth feeding type rubber gear pump Download PDFInfo
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- CN109882406B CN109882406B CN201910310826.0A CN201910310826A CN109882406B CN 109882406 B CN109882406 B CN 109882406B CN 201910310826 A CN201910310826 A CN 201910310826A CN 109882406 B CN109882406 B CN 109882406B
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- shaft
- tooth
- herringbone
- driving shaft
- feeding
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 33
- 239000005060 rubber Substances 0.000 title claims abstract description 33
- 235000000621 Bidens tripartita Nutrition 0.000 title claims abstract description 15
- 240000004082 Bidens tripartita Species 0.000 title claims abstract description 15
- 208000006637 fused teeth Diseases 0.000 title claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000010092 rubber production Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of gear pumps for rubber production, and particularly relates to a double-tooth feeding type rubber gear pump which is provided with two roller nips and can feed two rubber strips simultaneously, wherein the main structure comprises a pump body, a shaft group, a feed inlet, a discharge outlet and a side plate; the device has the advantages of compact structure, convenient and concise feeding, rapid feeding, energy conservation and occupied area, good economic and social benefits and great application prospect.
Description
Technical field:
The invention belongs to the technical field of gear pumps for rubber production, and particularly relates to a double-tooth feeding type rubber gear pump which is provided with two roller nips and can feed two rubber strips simultaneously.
The background technology is as follows:
Gear pumps are rotary pumps that rely on the change and movement of working volume created between a pump cylinder and an intermeshing gear to deliver or pressurize a liquid. When the gears rotate, the volume of the space at the disengaging side of the gears is changed from small to large, vacuum is formed, liquid is sucked in, the volume of the space at the engaging side of the gears is changed from large to small, and the liquid is extruded into the pipeline. The suction chamber is separated from the discharge chamber by the meshing line of the two gears, the pressure at the discharge outlet of the gear pump being entirely dependent on the amount of resistance at the pump outlet. The rubber gear pump in the prior art comprises: the double-drive rubber gear pump rubber filtering device disclosed in China patent 201710680249.5 is characterized in that the main structure comprises a frame, a left motor base, a gear pump base, a right motor base, a left motor, a gear pump body, a feed inlet, an upper gear shaft, a lower gear shaft, a discharge port, a right motor and an encoder; the upper surface of the frame of the rectangular frame type structure is sequentially provided with a left motor base, a gear pump base and a right motor base which are of inverted U-shaped structures, the frame is respectively connected with the left motor base, the gear pump base and the right motor base through bolts, the upper surface of the left motor base is provided with a left motor, the left motor base is connected with the left motor through bolts, the upper surface of the gear pump base is provided with a gear pump body, the gear pump base is connected with the gear pump body through bolts, the front side surface of the gear pump body is provided with a feeding hole of a circular structure, the upper part of the inside of the gear pump body is provided with an upper gear shaft of a cylindrical structure, the lower part of the inside of the gear pump body is provided with a lower gear shaft of a cylindrical structure, the upper gear shaft and the lower gear shaft are in meshed connection with each other, a discharge hole with a circular structure is formed in the rear side face of the gear pump body, a right motor is arranged on the upper surface of the right motor base, a left motor is in mechanical transmission connection with the gear pump body through the upper gear shaft, an encoder is arranged at a position, in contact with the upper gear shaft, on the left motor, the right motor is in mechanical transmission connection with the gear pump body through the lower gear shaft, the height of the left motor base is larger than that of the gear pump base, and the height of the gear pump base is higher than that of the right motor base; a dual gear pump system disclosed in chinese patent 201810108467.6 comprises: the base is arranged on the robot upright post, and a first bracket, a second bracket, a third bracket and a fourth bracket are sequentially arranged on the upper end surface of the base from left to right; the speed reducer comprises an input end and an output end, and is fixedly arranged on the fourth bracket; the motor is connected with the input end of the speed reducer; the coupler is arranged between the fourth bracket and the third bracket, and one end, close to the fourth bracket, of the coupler is connected with the output end of the speed reducer; the gear assembly is arranged between the third bracket and the second bracket, the gear assembly comprises a driving gear and two driven gears, the driving gear is arranged between the two driven gears, gear teeth of the driving gear are respectively meshed with the gear teeth of the two driven gears, and one end, close to the third bracket, of the coupler is connected with one end, close to the third bracket, of a gear shaft of the driving gear; the two curved surface tooth couplings are arranged between the first bracket and the second bracket, and one end of each curved surface tooth coupling, which is close to the second bracket, is respectively connected with one end of a gear shaft of each driven gear, which is close to the second bracket; the two gear pumps are fixedly arranged on the first bracket, and each gear pump is connected with one end, close to the first bracket, of each curved tooth coupler; the double-cylinder double gear pump disclosed in China patent 200420054876.6 comprises a pair of meshed liquid sucking and discharging gears which are accommodated in a liquid sucking and discharging cavity; the liquid sucking and discharging gear is also coaxially connected with a pair of meshed transmission gears which are arranged in the other transmission cavity in a separated way; when the patent product is used, the hot feeding extruder or the cold feeding extruder is matched for feeding, and the extruder is arranged at the outlet of the rubber extruder, so that the problems of low feeding speed and large occupied area exist. Therefore, the double-tooth feeding type rubber gear pump is developed and designed to replace a feeding mode of an extruder, so that energy is saved, occupied area is reduced, feeding efficiency is improved, and the double-tooth feeding type rubber gear pump has a great application prospect.
The invention comprises the following steps:
the invention aims to overcome the defects in the prior art, designs a double-tooth feeding type rubber gear pump, does not need to be provided with a special extruder for feeding, reduces the occupied area of equipment on the premise of improving the feeding speed, and saves energy.
In order to achieve the aim, the main structure of the double-tooth feeding type rubber gear pump comprises a pump body, a shaft group, a feeding port, a discharging port and side plates; the inside of the pump body is provided with a shaft group, the center of the front side surface of the pump body is provided with a feed inlet, the center of the rear side surface of the pump body is provided with a discharge outlet, and the left side and the right side of the pump body are closed by side plates which are suitable for the shaft group; the main structure of the shaft group comprises a herringbone tooth driving shaft, an upper feeding tooth shaft, a lower feeding tooth shaft, a reverse thread shaft sleeve and a shaft collar; a herringbone tooth transmission shaft meshed with the herringbone tooth driving shaft is arranged below the herringbone tooth driving shaft, an upper feeding tooth shaft meshed with the herringbone tooth driving shaft is arranged in front of the herringbone tooth driving shaft, a lower feeding tooth shaft meshed with the herringbone tooth driving shaft is arranged in front of the herringbone tooth driving shaft, reverse thread shaft sleeves are respectively arranged at two ends of the herringbone tooth driving shaft, the upper feeding tooth shaft and the lower feeding tooth shaft, and shaft collars are sleeved between the two ends of the herringbone tooth driving shaft, the upper feeding tooth shaft and the lower feeding tooth shaft and the reverse thread shaft sleeves; the upper feeding gear shaft and the lower feeding gear shaft have the same structure and are composed of a helical gear section and a compression roller section.
When the double-tooth feeding type rubber gear pump is used, a herringbone tooth driving shaft is connected with an external motor, the external motor is started to provide driving force for the herringbone tooth driving shaft, the herringbone tooth driving shaft is meshed with a herringbone tooth driving shaft, the herringbone tooth driving shaft drives the herringbone tooth driving shaft to rotate, the herringbone tooth driving shaft is meshed with a bevel tooth section of an upper feeding tooth shaft, the herringbone tooth driving shaft is meshed with a bevel tooth section of a lower feeding tooth shaft, the herringbone tooth driving shaft and the herringbone tooth driving shaft respectively drive the upper feeding tooth shaft and the lower feeding tooth shaft to rotate, two rubbers are respectively fed into a gap between the bevel tooth section of the upper feeding tooth shaft and a press roll section of the lower feeding tooth shaft from a feed port and a gap between the press roll section of the upper feeding tooth shaft and the bevel tooth section of the lower feeding tooth shaft, the upper feeding tooth shaft and the lower feeding tooth shaft are not interfered with each other when rotating, the herringbone tooth driving shaft is meshed with the herringbone tooth driving shaft to rotate to charge the rubber and discharge the rubber, and finally the rubber is discharged from a discharge port, and at the same time, the pump body is heated to melt the rubber, so that the efficiency is improved.
Compared with the prior art, the double-tooth rubber gear pump has the advantages that a pair of teeth are added on the basis of the double-tooth rubber gear pump with the function of stabilizing pressure and pressurizing rubber fluid to assist feeding, an additional double-tooth shaft is used for assisting feeding, a set of driving motor drives four shafts to move, two roller gaps of one feeding port are used for feeding, an extruder is replaced, two rubbers are fed simultaneously, the feeding speed is increased, and the feeding efficiency is improved; the device has the advantages of compact structure, convenient and concise feeding, rapid feeding, energy conservation and occupied area, good economic and social benefits and great application prospect.
Description of the drawings:
fig. 1 is a schematic diagram of the principle of the main structure of the present invention.
Fig. 2 is a schematic view of seven axial directions of the main body structure of the present invention.
Fig. 3 is a schematic diagram of the principle of the main structure of the shaft set according to the present invention.
Fig. 4 is a schematic axial view of four main structures of the shaft group according to the present invention.
The specific embodiment is as follows:
Further description will be made below by way of examples with reference to the accompanying drawings.
Example 1:
The main structure of the double-tooth feeding type rubber gear pump comprises a pump body 1, a shaft group 2, a feed inlet 3, a discharge outlet 4 and a side plate 5; the inside of the pump body 1 is provided with a shaft group 2, the center of the front side surface of the pump body 1 is provided with a feed inlet 3, the center of the rear side surface of the pump body 1 is provided with a discharge outlet 4, and the left side and the right side of the pump body 1 are closed by side plates 5 which are adaptive to the shaft group 2; the main structure of the shaft group 2 comprises a herringbone gear driving shaft 21, a herringbone gear driving shaft 22, an upper feeding gear shaft 23, a lower feeding gear shaft 24, a reverse thread shaft sleeve 25 and a shaft collar 26; a herringbone tooth transmission shaft 22 meshed with the herringbone tooth driving shaft 21 is arranged below the herringbone tooth driving shaft 21, an upper feeding tooth shaft 23 meshed with the herringbone tooth driving shaft is arranged in front of the herringbone tooth driving shaft 21, a lower feeding tooth shaft 24 meshed with the herringbone tooth driving shaft 22 is arranged in front of the herringbone tooth driving shaft 22, reverse thread shaft sleeves 25 are respectively arranged at two ends of the herringbone tooth driving shaft 21, the herringbone tooth driving shaft 22, the upper feeding tooth shaft 23 and the lower feeding tooth shaft 24, and shaft collars 26 are sleeved between the two ends of the herringbone tooth driving shaft 21, the herringbone tooth driving shaft 22, the upper feeding tooth shaft 23 and the lower feeding tooth shaft 24 and the reverse thread shaft sleeves 25; the upper feed gear shaft 23 and the lower feed gear shaft 24 have the same structure and are composed of a helical gear section 230 and a press roller section 240.
When the double-tooth feeding type rubber gear pump related to the embodiment is used, the herringbone tooth driving shaft 21 is connected with the external motor, the external motor is started to provide driving force for the herringbone tooth driving shaft 21, the herringbone tooth driving shaft 21 is meshed with the herringbone tooth driving shaft 22, the herringbone tooth driving shaft 21 drives the herringbone tooth driving shaft 22 to rotate, the herringbone tooth driving shaft 22 is meshed with the skewed tooth section 230 of the upper feeding tooth shaft 23, the herringbone tooth driving shaft 21 and the herringbone tooth driving shaft 22 respectively drive the upper feeding tooth shaft 23 and the lower feeding tooth shaft 24 to rotate, two rubbers are respectively fed into a gap between the skewed tooth section 230 of the upper feeding tooth shaft 23 and the compressed roll section 240 of the lower feeding tooth shaft 24 and a gap between the compressed roll section 240 of the upper feeding tooth shaft 23 and the skewed tooth section 230 of the lower feeding tooth shaft 24 from the feeding port 3, the upper feeding tooth shaft 23 and the lower feeding tooth shaft 24 are not meshed when rotating, the herringbone tooth driving shaft 21 is meshed with the skewed tooth driving shaft 24 to rotate, the rubbers are meshed with the skewed tooth driving shaft 22 and finally discharged from the herringbone tooth driving shaft 24, and the pressurizing efficiency is accelerated, and the pressurizing efficiency is increased, and the pump body 1 is discharged from the pump body is heated.
Claims (1)
1. The double-tooth feeding type rubber gear pump is characterized in that the main structure comprises a pump body, a shaft group, a feeding port, a discharging port and a side plate; the inside of the pump body is provided with a shaft group, the center of the front side surface of the pump body is provided with a feed inlet, the center of the rear side surface of the pump body is provided with a discharge outlet, and the left side and the right side of the pump body are closed by side plates which are suitable for the shaft group; the main structure of the shaft group comprises a herringbone tooth driving shaft, an upper feeding tooth shaft, a lower feeding tooth shaft, a reverse thread shaft sleeve and a shaft collar; a herringbone tooth transmission shaft meshed with the herringbone tooth driving shaft is arranged below the herringbone tooth driving shaft, an upper feeding tooth shaft meshed with the herringbone tooth driving shaft is arranged in front of the herringbone tooth driving shaft, a lower feeding tooth shaft meshed with the herringbone tooth driving shaft is arranged in front of the herringbone tooth driving shaft, reverse thread shaft sleeves are respectively arranged at two ends of the herringbone tooth driving shaft, the upper feeding tooth shaft and the lower feeding tooth shaft, and shaft collars are sleeved between the two ends of the herringbone tooth driving shaft, the upper feeding tooth shaft and the lower feeding tooth shaft and the reverse thread shaft sleeves; the upper feeding gear shaft and the lower feeding gear shaft have the same structure and are composed of a helical gear section and a compression roller section; when the feeding device is used, the herringbone tooth driving shaft is connected with the external motor, the external motor is started, the external motor provides driving force for the herringbone tooth driving shaft, the herringbone tooth driving shaft is meshed with the herringbone tooth driving shaft, the herringbone tooth driving shaft drives the herringbone tooth driving shaft to rotate, the herringbone tooth driving shaft is meshed with the inclined tooth section of the upper feeding tooth shaft, the herringbone tooth driving shaft and the inclined tooth section of the lower feeding tooth shaft are respectively driven to rotate by the herringbone tooth driving shaft and the herringbone tooth driving shaft, two rubbers are respectively fed into a gap between the inclined tooth section of the upper feeding tooth shaft and the compression roller section of the lower feeding tooth shaft from a feeding hole and a gap between the compression roller section of the upper feeding tooth shaft and the inclined tooth section of the lower feeding tooth shaft, due to the existence of the gap, the upper feeding tooth shaft and the lower feeding tooth shaft are not interfered when rotating, the herringbone tooth driving shaft is meshed with the herringbone tooth driving shaft to rotate to feed the rubber and to be pressurized by the discharging hole, and at the same time, the rubber is heated to melt the rubber to speed up so that the efficiency is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310826.0A CN109882406B (en) | 2019-04-18 | 2019-04-18 | Double-tooth feeding type rubber gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310826.0A CN109882406B (en) | 2019-04-18 | 2019-04-18 | Double-tooth feeding type rubber gear pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882406A CN109882406A (en) | 2019-06-14 |
| CN109882406B true CN109882406B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310826.0A Active CN109882406B (en) | 2019-04-18 | 2019-04-18 | Double-tooth feeding type rubber gear pump |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009006607A (en) * | 2007-06-28 | 2009-01-15 | Bridgestone Corp | Extruder with gear pump |
| CN107237747A (en) * | 2017-08-10 | 2017-10-10 | 青岛科技大学 | A kind of double V-shaped gear pump filter glue devices of gradual change |
| CN107246386A (en) * | 2017-08-10 | 2017-10-13 | 青岛科技大学 | A kind of dual drive rubber teeth wheel pump filter glue device |
| CN108372605A (en) * | 2018-04-28 | 2018-08-07 | 青岛科技大学 | A kind of rubber compound tandem filter device |
| CN208138133U (en) * | 2018-04-28 | 2018-11-23 | 青岛河澄知识产权有限公司 | A kind of double drive herringbone gear pump device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2828717A1 (en) * | 2001-08-16 | 2003-02-21 | Michelin Soc Tech | GEAR PUMP |
| US20110033330A1 (en) * | 2009-08-10 | 2011-02-10 | Christian Endres | Gear pump for viscous media |
-
2019
- 2019-04-18 CN CN201910310826.0A patent/CN109882406B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009006607A (en) * | 2007-06-28 | 2009-01-15 | Bridgestone Corp | Extruder with gear pump |
| CN107237747A (en) * | 2017-08-10 | 2017-10-10 | 青岛科技大学 | A kind of double V-shaped gear pump filter glue devices of gradual change |
| CN107246386A (en) * | 2017-08-10 | 2017-10-13 | 青岛科技大学 | A kind of dual drive rubber teeth wheel pump filter glue device |
| CN108372605A (en) * | 2018-04-28 | 2018-08-07 | 青岛科技大学 | A kind of rubber compound tandem filter device |
| CN208138133U (en) * | 2018-04-28 | 2018-11-23 | 青岛河澄知识产权有限公司 | A kind of double drive herringbone gear pump device |
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| Publication number | Publication date |
|---|---|
| CN109882406A (en) | 2019-06-14 |
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