Water jet loom with vertical plunger water pump

Abstract

The utility model discloses a water-jet loom with a vertical plunger water pump, which belongs to the technical field of water-jet looms and comprises a weft insertion mechanism, the vertical plunger water pump is arranged on the weft insertion mechanism and comprises a pump body and a plunger positioned in an inner cavity of the pump body, and a water inlet pipe and a water outlet pipe which are communicated with the inner cavity of the pump body are arranged on the pump body. A ceramic ring is coaxially arranged on the radial outer side of the lower portion of the plunger, the outer side wall of the ceramic ring is in sliding fit with a cavity in the pump body in the vertical direction, and the upper end of the plunger is connected with a driving mechanism used for controlling the plunger to reciprocate in the vertical direction. According to the utility model, the plunger is in sliding fit with the inner cavity of the pump body in the vertical direction, so that abrasion caused by the fact that the existing plunger is pressed on the wall surface of the inner cavity of the pump body during horizontal reciprocating motion is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water-jet loom technical field, concretely relates to a water-jet loom with vertical plunger water pump. BACKGROUND

[0002] The structure of water-jet loom mainly includes shedding mechanism, weft insertion mechanism, beating-up mechanism, warp let-off mechanism, take-up mechanism, length measuring device, weft accumulator, edging device, warp breaking device and the like, and its working principle is as follows: the shedding mechanism drives the heald frame to move up and down, so that the warp yarn forms a shed, the weft insertion mechanism brings the weft yarn into the shed, and then the beating-up mechanism drives the reed to beat the weft yarn in the shed into the weaving mouth to weave into cloth.

[0003] The above-mentioned water-jet loom uses a horizontal plunger water pump as shown in Figure 1 which includes a pump body 1, a plunger 2 located in the internal chamber of the pump body 1, and a driving mechanism connected with the plunger 2 to control the horizontal reciprocating movement of the plunger 2, the pump body 1 is provided with a water inlet pipe 3 and a water outlet pipe 4 which are connected with the internal chamber of the pump body 1, and the part of the plunger 2 which is in sliding fit with the internal chamber of the pump body 1 is a ceramic ring 21.

[0004] After the above-mentioned water-jet pump is used for a long time, the horizontal reciprocating movement of the plunger 2 will cause abrasion between the bottom end of the ceramic ring 21 and the internal chamber of the pump body 1 under the action of the weight of the plunger 2 itself and impurities in the water; as the width of the woven cloth increases, the size of the water-jet pump also becomes larger, and the increase in the weight of the plunger 2 also accelerates and aggravates the abrasion, thereby affecting the service life and working performance of the water-jet pump. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art, and provides a water-jet loom with a vertical plunger water pump.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A water-jet loom with a vertical plunger water pump, which comprises a weft insertion mechanism, a vertical plunger water pump is arranged on the weft insertion mechanism, the vertical plunger water pump comprises a pump body and a plunger located in the internal chamber of the pump body, the pump body is provided with a water inlet pipe and a water outlet pipe which are connected with the internal chamber of the pump body;

[0008] A ceramic ring is coaxially arranged on the radial outer side of the lower part of the plunger, the outer side wall of the ceramic ring is in vertical sliding fit with the internal chamber of the pump body, and the upper end of the plunger is connected with a driving mechanism for controlling the vertical reciprocating movement of the plunger.

[0009] Preferably, the driving mechanism comprises a push rod, a support swing rod and an eccentric wheel connecting rod, and the support swing rod is in rotary fit on the wall plate of the weft insertion mechanism.

[0010] The lower end of the push rod is hingedly connected with the upper end of the plunger, the upper end of the push rod is hingedly connected with the left end of the supporting swing rod, the right end of the supporting swing rod is hingedly connected with the upper end of the eccentric wheel connecting rod, and the lower end of the eccentric wheel connecting rod is connected with the eccentric wheel on the power shaft.

[0011] The rotating fit position of the supporting swing rod and the weft insertion mechanism wall plate is located between the hingedly connected positions of the two ends of the supporting swing rod.

[0012] Preferably, the lower end of the push rod is hingedly connected with the upper end of the plunger through a first pin shaft, and a first bearing is arranged between the first pin shaft and the plunger.

[0013] The upper end of the push rod is hingedly connected with the left end of the supporting swing rod through a second pin shaft, and a second bearing is arranged between the second pin shaft and the supporting swing rod.

[0014] The right end of the supporting swing rod is hingedly connected with the upper end of the eccentric wheel connecting rod through a third pin shaft, and a third bearing is arranged between the third pin shaft and the eccentric wheel connecting rod.

[0015] Preferably, the eccentric wheel connecting rod is connected with the radial outer side wall of the eccentric wheel through a fourth bearing.

[0016] Preferably, a rotating shaft is arranged on the weft insertion mechanism wall plate, and the supporting swing rod is in rotating fit with the rotating shaft.

[0017] Preferably, a fifth bearing is arranged between the supporting swing rod and the rotating shaft.

[0018] Preferably, the first pin shaft, the second pin shaft, the third pin shaft, the power shaft and the rotating shaft are arranged in parallel.

[0019] Preferably, the distance L1 between the central axis of the second pin shaft and the central axis of the rotating shaft is equal to the distance L2 between the central axis of the third pin shaft and the central axis of the rotating shaft.

[0020] Preferably, a first one-way valve is arranged on the water inlet pipe, and the flow direction of the first one-way valve is to flow into the internal cavity of the pump body.

[0021] A second one-way valve is arranged on the water outlet pipe, and the flow direction of the second one-way valve is to flow out of the internal cavity of the pump body.

[0022] The beneficial effects of the utility model are:

[0023] (1) In the utility model, the plunger and the internal cavity of the pump body are in vertical sliding fit, so as to avoid the abrasion caused by the horizontal reciprocating movement of the plunger on the inner cavity wall of the pump body.

[0024] (2) The utility model discloses a structure setting of driving mechanism makes pump body, plunger, push rod, support swing bar, eccentric wheel connecting rod form a similar inverted U type's bending structure, through the setting of bending structure, has reduced the assembly space that plunger water pump needed in height direction and left and right direction. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings accompanying the specification incorporated in part thereof by reference serve to further provide a further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application and do not constitute an improper limitation of the present application.

[0026] Figure 1 is the structure schematic diagram of plunger water pump of horizontal placement;

[0027] Figure 2 is the structure schematic diagram of vertical plunger water pump in the utility model;

[0028] Figure 3 is Figure 2 A-A direction section view of;

[0029] Figure 4 is Figure 2 B-B direction section view of;

[0030] Figure 5 is Figure 2 C-C direction section view of;

[0031] Among them:

[0032] 1-pump body, 2-plunger, 21-ceramic ring, 3-water inlet pipe, 31-first check valve, 4-water outlet pipe, 41-second check valve, 5-push rod, 51-first pin shaft, 52-first bearing, 6-support swing bar, 61-second pin shaft, 62-second bearing, 63-third pin shaft, 64-third bearing, 65-rotary shaft, 66-fifth bearing, 7-eccentric wheel connecting rod, 71-fourth bearing, 8-power shaft, 9-eccentric wheel. DETAILED DESCRIPTION

[0033] It should be noted that the following detailed description is all exemplary, and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as that generally understood by those skilled in the art to which the present application belongs.

[0034] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0035] In the present application, the terms such as "upper", "lower", "bottom", "top" and the like indicate the orientation or positional relationship shown in the drawings, which is only a relationship word determined for the purpose of conveniently describing the structural relationship of the components or elements of the present application, and is not intended to specify any component or element in the present application, and cannot be understood as a limitation of the present application.

[0036] In the present application, the terms such as "connected", "connected" and the like should be broadly understood, which can be fixed connection, integral connection or detachable connection; it can be directly connected, or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in the art, the specific meaning of the above terms in the present application can be determined according to the specific circumstances, and cannot be understood as a limitation of the present application.

[0037] The present application will be further described below in conjunction with the drawings and examples.

[0038] A water jet loom with a vertical plunger water pump, comprising a weft insertion mechanism, a vertical plunger water pump is arranged on the weft insertion mechanism, as shown in Figures 2-5 The vertical plunger water pump comprises a pump body 1, a plunger 2 located in the internal chamber of the pump body 1, and a water inlet pipe 3 and a water outlet pipe 4 arranged on the pump body 1 and connected with the internal chamber of the pump body 1.

[0039] The radial outer side of the lower part of the plunger 2 is coaxially provided with a ceramic ring 21, and the outer side wall of the ceramic ring 21 is vertically slidably connected with the internal chamber of the pump body 1, and the upper end of the plunger 2 is connected with a driving mechanism for controlling the vertical reciprocating movement of the plunger 2.

[0040] In the present application, the plunger 2 and the internal chamber of the pump body 1 are vertically slidably connected, thereby avoiding the wear caused by the plunger pressing on the inner wall of the pump body during horizontal reciprocating movement.

[0041] Preferably, the driving mechanism comprises a push rod 5, a support swing rod 6 and an eccentric wheel connecting rod 7, and the support swing rod 6 is rotatably connected with the wall plate of the weft insertion mechanism.

[0042] The lower end of the push rod 5 is hingedly connected with the upper end of the plunger 2, the upper end of the push rod 5 is hingedly connected with the left end of the supporting swing rod 6, the right end of the supporting swing rod 6 is hingedly connected with the upper end of the eccentric wheel connecting rod 7, and the lower end of the eccentric wheel connecting rod 7 is connected with the eccentric wheel 9 on the power shaft 8.

[0043] The rotating matching position of the supporting swing rod 6 and the weft insertion mechanism wall plate is between the hingedly connected positions of the two ends of the supporting swing rod 6.

[0044] The structure of the driving mechanism in the application is arranged to form a reverse U-shaped bending structure of the pump body 1, the plunger 2, the push rod 5, the supporting swing rod 6 and the eccentric wheel connecting rod 7, and the arrangement of the bending structure reduces the assembly space required by the plunger water pump in the height direction and the left-right direction.

[0045] Preferably, the lower end of the push rod 5 is hingedly connected with the upper end of the plunger 2 through a first pin shaft 51, and a first bearing 52 is arranged between the first pin shaft 51 and the plunger 2.

[0046] The upper end of the push rod 5 is hingedly connected with the left end of the supporting swing rod 6 through a second pin shaft 61, and a second bearing 62 is arranged between the second pin shaft 61 and the supporting swing rod 6.

[0047] The right end of the supporting swing rod 6 is hingedly connected with the upper end of the eccentric wheel connecting rod 7 through a third pin shaft 63, and a third bearing 64 is arranged between the third pin shaft 63 and the eccentric wheel connecting rod 7.

[0048] Preferably, the eccentric wheel connecting rod 7 is connected with the radial outer side wall of the eccentric wheel 9 through a fourth bearing 71.

[0049] Preferably, a rotating shaft 65 is arranged on the weft insertion mechanism wall plate, and the supporting swing rod 6 is rotationally matched with the rotating shaft 65.

[0050] Preferably, a fifth bearing 66 is arranged between the supporting swing rod 6 and the rotating shaft 65.

[0051] Preferably, the first pin shaft 51, the second pin shaft 61, the third pin shaft 63, the power shaft 8 and the rotating shaft 65 are arranged in parallel.

[0052] Preferably, the distance L1 between the central axis of the second pin shaft 61 and the central axis of the rotating shaft 65 is equal to the distance L2 between the central axis of the third pin shaft 63 and the central axis of the rotating shaft 65.

[0053] Preferably, a first one-way valve 31 is arranged on the water inlet pipe 3, and the flow direction of the first one-way valve 31 is to flow into the internal chamber of the pump body 1.

[0054] A second one-way valve 41 is arranged on the water outlet pipe 4, and the flow direction of the second one-way valve 41 is to flow out of the internal chamber of the pump body 1.

[0055] The working process of the vertical plunger water pump in the water jet loom is as follows:

[0056] The eccentric wheel 9 rotates with the power shaft 8, when the point on the circumference of the eccentric wheel 9 farthest from the center axis of the power shaft 8 turns from the uppermost to the lowermost, the eccentric wheel connecting rod 7 drives the right end of the supporting swing rod 6 to move downward, and the lever structure of the supporting swing rod 6 in the application, when the right end of the supporting swing rod 6 moves downward, the left end of the supporting swing rod 6 drives the plunger 2 to move upward through the push rod 5, and the water flow is sucked into the internal cavity of the pump body 1 through the water inlet pipe 3 and the first one-way valve 31; when the point on the circumference of the eccentric wheel 9 farthest from the center axis of the power shaft 8 turns from the lowermost to the uppermost, the eccentric wheel connecting rod 7 drives the right end of the supporting swing rod 6 to move upward, and the lever structure of the supporting swing rod 6 in the application, when the right end of the supporting swing rod 6 moves upward, the left end of the supporting swing rod 6 drives the plunger 2 to move downward through the push rod 5, and the water flow in the internal cavity of the pump body 1 is compressed, the water flow enters the nozzle to form a high-speed jet water flow through the water outlet pipe 4 and the second one-way valve 41, which is used to carry the weft into the shed. Repeat the operation, realize continuous operation.

[0057] Although the specific embodiments of the utility model have been described above with reference to the drawings, it is not a limitation of the utility model, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A water jet loom with a vertical plunger water pump, comprising a weft insertion mechanism, wherein the vertical plunger water pump is arranged on the weft insertion mechanism, the vertical plunger water pump comprises a pump body, a plunger arranged in an internal chamber of the pump body, and a water inlet pipe and a water outlet pipe arranged on the pump body and communicating with the internal chamber of the pump body; characterized in that a ceramic ring is coaxially arranged on the radial outer side of the lower part of the plunger, the outer side wall of the ceramic ring is in vertical sliding fit with the internal chamber of the pump body, and the upper end of the plunger is connected with a driving mechanism for controlling the vertical reciprocating movement of the plunger. The driving mechanism comprises a push rod, a support swing rod, and an eccentric wheel connecting rod, and the support swing rod is in rotational fit with the wall plate of the weft insertion mechanism.

2. The water jet loom with a vertical plunger water pump according to claim 1, characterized in that, The lower end of the push rod is hingedly connected with the upper end of the plunger, the upper end of the push rod is hingedly connected with the left end of the support swing rod, the right end of the support swing rod is hingedly connected with the upper end of the eccentric wheel connecting rod, and the lower end of the eccentric wheel connecting rod is connected with an eccentric wheel on a power shaft. The rotational fit position of the support swing rod with the wall plate of the weft insertion mechanism is between the hingedly connected positions of the two ends of the support swing rod. The lower end of the push rod is hingedly connected with the upper end of the plunger through a first pin shaft, and a first bearing is arranged between the first pin shaft and the plunger.

3. The water jet loom with a vertical plunger water pump according to claim 2, characterized in that, The upper end of the push rod is hingedly connected with the left end of the support swing rod through a second pin shaft, and a second bearing is arranged between the second pin shaft and the support swing rod. The right end of the support swing rod is hingedly connected with the upper end of the eccentric wheel connecting rod through a third pin shaft, and a third bearing is arranged between the third pin shaft and the eccentric wheel connecting rod. The eccentric wheel connecting rod is connected with the radial outer side wall of the eccentric wheel through a fourth bearing.

4. The water jet loom with a vertical plunger water pump according to claim 2, wherein A rotating shaft is arranged on the wall plate of the weft insertion mechanism, and the support swing rod is in rotational fit with the rotating shaft.

5. The water jet loom with vertical plunger water pump according to claim 3, characterized in that, A fifth bearing is arranged between the support swing rod and the rotating shaft.

6. The water jet loom with vertical plunger water pump according to claim 5, characterized in that, The first pin shaft, the second pin shaft, the third pin shaft, the power shaft, and the rotating shaft are arranged in parallel.

7. The water jet loom with vertical plunger water pump according to claim 5, characterized in that, The distance L1 between the central axis of the second pin shaft and the central axis of the rotating shaft is equal to the distance L2 between the central axis of the third pin shaft and the central axis of the rotating shaft.

8. The water jet loom with vertical plunger water pump according to claim 7, characterized in that, A first one-way valve is arranged on the water inlet pipe, and the flow direction of the first one-way valve is toward the internal chamber of the pump body.

9. The water jet loom with vertical plunger water pump according to claim 1, characterized in that, A second one-way valve is arranged on the water outlet pipe, and the flow direction of the second one-way valve is away from the internal chamber of the pump body. ​

Images