CN218206940U - Direct-acting weft insertion water pump device of water jet loom - Google Patents
Direct-acting weft insertion water pump device of water jet loom Download PDFInfo
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- CN218206940U CN218206940U CN202222466629.8U CN202222466629U CN218206940U CN 218206940 U CN218206940 U CN 218206940U CN 202222466629 U CN202222466629 U CN 202222466629U CN 218206940 U CN218206940 U CN 218206940U
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Abstract
The utility model discloses a hydraulic loom direct action formula wefting insertion pumping plant, its structure includes water pump, straightly moves pole, drive shaft, roller, round pin axle, cam, refers to seat and stop collar, the one end of drive shaft is passed straightly and is moved the pole and be connected with the cam, the roller is connected with the straightly moving pole through the round pin axle, roller and cam contact, the one end of straightly moving the pole is connected with the plunger rod in the water pump, the straightly moving pole is equipped with the stop collar with plunger rod link. The device controls the reciprocating motion of the straight moving rod through the cam, the reciprocating motion of the straight moving rod controls the water outlet injection of the plunger, the reciprocating motion of the straight moving rod can be directly controlled due to the rotation of the cam, the problem that the straight moving rod can be impacted and jumped under the action of spring force through an angular lever in the past is avoided, the reciprocating stability of the plunger is improved, the water outlet injection precision of the plunger is also ensured, weft shrinkage and defects are prevented, the weaving quality is improved, and the service lives of the cam, the roller and the plunger are prolonged.
Description
Technical Field
The utility model relates to a hydraulic loom technical field, specific hydraulic loom direct action formula wefting insertion water pump device that says so.
Background
The weft insertion mechanism is one of the most important mechanisms in the water jet loom, and the weft insertion motion is completed by guiding weft yarns through water jet sprayed from a nozzle. The weft insertion water pump for providing power for weft insertion movement is very important, and plays a decisive role in the performance of the weaving machine. At present, most of weft insertion water pumps of water jet looms adopt a mode of driving a plunger by an eccentric cam and an angular lever. The roller on the angle lever can be impacted and jumped under the action of elastic force caused by spring load in the rotation process of the eccentric cam, and the side force generated in the rotation process can make the eccentric cam axially rock in the left-right swinging process, so that the transmission precision of the plunger piston is reduced, the water quantity and the water pressure are influenced, the water flow stability is reduced, the weaving quality is reduced, and the rolling fatigue life of the cam and the roller is also shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic loom direct action formula wefting insertion pumping plant, the device simple structure is reasonable, improves plunger transmission precision, has guaranteed the hydraulic stability of rivers, improves the quality that the fabric weavingd.
The utility model provides a technical scheme that its technical problem adopted is: the structure of the direct-acting weft insertion water pump device of the water jet loom comprises a water pump, a direct-acting rod, a driving shaft, a roller, a pin shaft, a cam, a reference seat and a limiting sleeve, wherein one end of the driving shaft penetrates through the direct-acting rod to be connected with the cam, the roller is connected with the direct-acting rod through the pin shaft and is in contact with the cam, one end of the direct-acting rod is connected with a plunger rod in the water pump, and the limiting sleeve is arranged at the connecting end of the direct-acting rod and the plunger rod.
Furthermore, the linear motion rod is provided with a guide groove, and the end part of the driving shaft penetrates through the guide groove on the linear motion rod to be connected with the cam.
Further, the water pump comprises a screw cap, a pump body, a plunger sleeve, a plunger rod, a spring, a locking nut and a spring guide seat, the screw cap is in threaded connection with the pump body, the locking nut is connected with the screw cap, the plunger sleeve is arranged in an inner cavity of the pump body, the plunger rod is sleeved with the plunger sleeve, the spring guide seat is arranged outside the plunger sleeve, one end of the spring is abutted against the spring guide seat, and the other end of the spring is abutted against the inner side wall of the screw cap.
Furthermore, one end of the straight moving rod, which is provided with the limiting seat, is provided with a reference seat, and the end part of the straight moving rod penetrates through the reference seat to be connected with a plunger rod in the water pump.
Further, the driving shaft drives the cam to rotate, and the cam rotates to drive the roller and the straight moving rod to reciprocate.
The utility model has the advantages that:
the utility model discloses a hydraulic loom direct action formula wefting insertion water pump device passes through the reciprocating motion that the straight pole of cam control moved, the play water injection of the reciprocating motion control plunger of straight pole, because the rotation of cam can the reciprocating of the straight pole of direct control, avoided in the past can receive the problem of impact beating under the effect of spring force through the angular lever, the reciprocal stability of plunger has been improved, the plunger play water injection precision has also been guaranteed simultaneously, the weft shrinkage and fault have been prevented, weaving quality has been improved, the cam has more been increased, a roller, the life of plunger.
The contact angle between the cam and the roller is changed by adjusting the position of the limiting sleeve on the straight moving rod, so that the moving stroke of the plunger rod is controlled, the water quantity is changed, the accurate control of the water pressure is realized by adjusting the cam curve and the position of the limiting sleeve, and the fine yarn weaving machine is suitable for fine yarn weaving.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a guide groove on the linear motion rod.
In the figure:
the device comprises a straight moving rod 1, a pin shaft 2, a roller 3, a cam 4, a reference seat 5, a limiting sleeve 6, a screw cap 7, a pump body 8, a plunger sleeve 9, a plunger rod 10, a spring 11, a lock nut 12, a spring guide seat 13, a driving shaft 14 and a guide groove 15.
Detailed Description
The following detailed description of a direct-acting weft insertion water pump device of a water jet loom according to the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a hydraulic loom direct action formula wefting insertion pumping plant, including water pump, direct action pole 1, drive shaft 14, roller 2, round pin axle 3, cam 4, refer to seat 5 and stop collar 6, the one end of drive shaft 14 is passed direct action pole 1 and is connected with cam 4, roller 2 is connected with direct action pole 1 through round pin axle 3, roller 2 and cam 4 contact, the one end of direct action pole 1 is connected with plunger rod 10 in the water pump, direct action pole 1 is equipped with stop collar 6 with plunger rod 10 link, can follow direct action pole 1 axial displacement, changes the contact angle of cam and roller through adjusting stop collar in the position of direct action pole to the removal stroke of control plunger rod changes the water yield size.
The water pump comprises a screw cap 7, a pump body 8, a plunger sleeve 9, a plunger rod 10, a spring 11, a lock nut 12 and a spring guide seat 13, wherein the screw cap 7 is in threaded connection with the pump body, the lock nut 12 is connected with the screw cap 7, the plunger sleeve 9 is arranged in an inner cavity of the pump body 8, the plunger rod 10 is sleeved with the plunger sleeve 9, the spring guide seat 13 is arranged outside the plunger sleeve 9, one end of the spring is abutted against the spring guide seat, and the other end of the spring is abutted against the inner side wall of the screw cap.
The straight moving rod 1 is provided with a guide groove 15, the end part of the driving shaft 14 penetrates through the guide groove on the straight moving rod 1 to be connected with the cam 4, the straight moving rod 1 reciprocates along the guide groove 15, and meanwhile, the plunger rod 10 is driven to move, so that the stability of reciprocating movement of the plunger is improved, and the accuracy of water outlet injection of the plunger is improved.
One end of the straight moving rod 1, which is provided with the limiting sleeve 6, is provided with a reference seat 5, and the end part of the straight moving rod penetrates through the reference seat 5 to be connected with a plunger rod 10 in the water pump, so that the connection firmness of the straight moving rod 1 and the plunger rod 10 is improved.
The driving shaft 14 drives the cam 4 to rotate, the cam 4 rotates to drive the roller 3 to move, and the roller 3 is fixedly connected with the straight moving rod 1 through the pin shaft 2, so that the straight moving rod 1 is driven to reciprocate by the movement of the roller 3, and the problem of low transmission precision through a connecting rod in the past is solved.
The utility model discloses a hydraulic loom direct action formula wefting insertion pumping plant is rational in infrastructure, through the reciprocating motion of the straight pole of cam control, the play water injection of the reciprocating motion control plunger of the straight pole that moves, because the rotation of cam can the straight reciprocal of moving the pole of direct control, has improved the reciprocal stability of plunger, has also guaranteed the plunger simultaneously and has gone out the water injection precision.
The above description is only used for illustrating some principles of the present invention, and the present specification does not limit the present invention to the specific structure and the application range shown, so all the corresponding modifications and equivalents that may be utilized all belong to the claims of the present invention.
Other technical features than those described in the specification are known to those skilled in the art.
Claims (5)
1. The direct-acting weft insertion water pump device of the water jet loom comprises a water pump and is characterized by further comprising a direct-acting rod, a driving shaft, a roller, a pin shaft, a cam, a reference seat and a limiting sleeve, wherein one end of the driving shaft penetrates through the direct-acting rod to be connected with the cam, the roller is connected with the direct-acting rod through the pin shaft and is in contact with the cam, one end of the direct-acting rod is connected with a plunger rod in the water pump, and the limiting sleeve is arranged at the connecting end of the direct-acting rod and the plunger rod.
2. The weft insertion water pump device of claim 1, wherein the linear motion rod is provided with a guide groove, and the end of the driving shaft passes through the guide groove of the linear motion rod to be connected with the cam.
3. The weft insertion water pump device of claim 1, wherein the water pump comprises a screw cap, a pump body, a plunger sleeve, a plunger rod, a spring, a lock nut and a spring guide seat, the screw cap is in threaded connection with the pump body, the lock nut is connected with the screw cap, the plunger sleeve is arranged in an inner cavity of the pump body, the plunger rod is sleeved with the plunger sleeve, the spring guide seat is arranged outside the plunger sleeve, one end of the spring abuts against the spring guide seat, and the other end of the spring abuts against the inner side wall of the screw cap.
4. The direct-acting weft insertion water pump device of the water-jet loom as claimed in claim 1, wherein the end of the straight-moving rod provided with the limiting seat is provided with a reference seat, and the end of the straight-moving rod passes through the reference seat and is connected with a plunger rod in the water pump.
5. The weft insertion pump device of claim 1, wherein the drive shaft rotates the cam, and the cam rotates the roller and the linear motion rod to reciprocate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466629.8U CN218206940U (en) | 2022-09-16 | 2022-09-16 | Direct-acting weft insertion water pump device of water jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466629.8U CN218206940U (en) | 2022-09-16 | 2022-09-16 | Direct-acting weft insertion water pump device of water jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206940U true CN218206940U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466629.8U Active CN218206940U (en) | 2022-09-16 | 2022-09-16 | Direct-acting weft insertion water pump device of water jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206940U (en) |
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2022
- 2022-09-16 CN CN202222466629.8U patent/CN218206940U/en active Active
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