CN114102088A - Device for mounting nozzle nut and two-section inclined nut mounting method - Google Patents
Device for mounting nozzle nut and two-section inclined nut mounting method Download PDFInfo
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- CN114102088A CN114102088A CN202111494394.7A CN202111494394A CN114102088A CN 114102088 A CN114102088 A CN 114102088A CN 202111494394 A CN202111494394 A CN 202111494394A CN 114102088 A CN114102088 A CN 114102088A
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- screw cap
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 148
- 239000007921 spray Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract 4
- 230000010355 oscillation Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Abstract
The invention provides a device for installing a nozzle nut and a two-section inclined nut installation method, wherein the device comprises the following steps: the nozzle clamping mechanism is used for fixing the nozzle, and the lantern ring is exposed outside; the swing mechanism is arranged on the movable guide rail and connected with the swing propelling mechanism, and the swing mechanism is provided with a nut clamping mechanism. After the swing propelling mechanism pushes the swing mechanism to swing to enable the screw cap to incline, the swing mechanism moves towards the direction of the spray head clamping mechanism to enable one side, close to the spray head, of the screw cap to be clamped on the outer diameter of the lantern ring in advance, and then the swing mechanism swings towards the other side to enable the screw cap to be completely sleeved on the lantern ring. Compared with the traditional nut pressing mode, the nut is more labor-saving in installation, and the nut and the spray head are not easy to damage.
Description
Technical Field
The invention relates to production and processing of nozzle daily necessities, in particular to a device for mounting a nozzle nut and a method for mounting two sections of inclined nuts.
Background
Fig. 1 shows a spray head 1 of a prior art pistol-type sprayer, which is connected to a liquid storage bottle by a nut 2 when the spray head 1 is connected to the liquid storage bottle. Since the screw cap 2 needs to be connected with the liquid storage bottle through threads, the screw cap 2 needs to be sleeved on the lantern ring 1-1 of the spray head 1. In order to ensure that the screw cap 2 is firmly sleeved on the lantern ring 1-1 and does not fall off, a circle of convex ring is arranged on the outer diameter of the lantern ring 1-1, one end of the screw cap 2 is provided with a retainer ring 2-1, and the screw cap 2 is not easy to fall off under the blocking of the convex ring after being inserted in place. But we find the following problems when installing the nut: the nut 2 fixed to the jig is first parallel to the collar 1-1 and then pressed and caught directly on the head 1 as shown by the arrow in fig. 2. In the pressing process, the stress on the retainer ring 2-1 and the convex ring is large, so that the retainer ring 2-1 and the convex ring are easy to collapse, and workpieces are scrapped.
Disclosure of Invention
The invention provides a device for mounting a nozzle nut, which is characterized in that the nut is firstly clamped on a lantern ring after being inclined, and then is swung to be aligned to enable the nut to be completely inserted on the lantern ring, so that a check ring and a convex ring are not easy to damage.
The specific scheme is as follows:
an apparatus for mounting a nut for a spray head, the apparatus for back-threading the nut onto a collar on the bottom of the spray head, the apparatus comprising:
the spray head clamping mechanism is used for fixing the spray head, and the lantern ring is exposed outside;
the swing mechanism is arranged on the movable guide rail, is connected with the swing propelling mechanism and is provided with a nut clamping mechanism;
after the swing propelling mechanism pushes the swing mechanism to swing so that the screw cap inclines, the swing mechanism moves towards the direction of the spray head clamping mechanism so that one side, close to the spray head, of the screw cap is clamped on the outer diameter of the sleeve ring in advance, and then the swing mechanism swings towards the other side so that the screw cap is completely sleeved on the sleeve ring.
Furthermore, the swing mechanism is installed on a supporting frame, and the supporting frame is provided with a limiting device for limiting the swing amplitude of the swing mechanism.
Furthermore, the swing mechanism is provided with a swing shaft, the end part of the swing shaft is fixed on the support frame, the swing mechanism swings around the swing shaft, and the support frame is provided with two limiting lugs at the front side and the rear side in the swing direction of the swing mechanism.
Furthermore, the supporting frame is provided with two parallel side plates, the two side plates are fixedly connected through a connecting block, and each side plate is provided with an upper arc-shaped sliding groove and a lower arc-shaped sliding groove which are coaxial;
two rows of upper and lower sliding blocks are fixed on two sides of the swing mechanism, and the two rows of sliding blocks are respectively arranged in two arc-shaped sliding grooves on the same side in a sliding manner.
Furthermore, the spray head clamping mechanism comprises a row of spray head clamping mechanisms, and a row of nut clamping mechanisms perpendicular to the swinging direction are arranged at the bottom of the swinging mechanism;
the swing propelling mechanism is a linear push rod, and the linear push rod is rotatably connected with the top of the swing mechanism.
Furthermore, the spray head clamping mechanism and the nut clamping mechanism at least comprise clamping jaws arranged on the front side and the rear side of the swing mechanism in the swing direction.
Further, two rows of sliders all include a plurality of gyro wheels, and a plurality of gyro wheels of same row are pitch arc distribution, and the radian that upper and lower two rows of gyro wheels distribute is the same with the radian of upper and lower twice circular-arc spout respectively.
Furthermore, the movable guide rail is a multi-axis guide rail and comprises a horizontal guide rail, a longitudinal guide rail, a horizontal driving mechanism and a longitudinal driving mechanism, the longitudinal guide rail is driven by the horizontal driving mechanism to horizontally slide on the horizontal guide rail, and the support frame is driven by the longitudinal driving mechanism to vertically slide on the longitudinal guide rail.
A two-stage inclined nut mounting method based on the device for mounting the nozzle nut, the nozzle nut mounting method comprises the following steps:
s1, the spray head clamping mechanism and the nut clamping mechanism respectively grab the spray head and the nut;
s2, driving the swing mechanism to swing by the swing propelling mechanism to enable the screw cap to incline to form an included angle of 15-20 degrees with the lantern ring;
s3, moving the swing mechanism on the moving guide rail until the screw cap is positioned right above the spray head lantern ring, and then moving the swing mechanism on the moving guide rail towards the spray head to pre-clamp one side of the screw cap close to the spray head on the outer diameter of the lantern ring;
s4, driving the swing mechanism to swing to the other side by the swing propelling mechanism to enable the nut to be completely sleeved on the lantern ring;
s5, sequentially loosening the nut clamping mechanism and the spray head clamping mechanism, taking the spray head with the assembled nut away, and moving the swing mechanism to the initial position on the moving guide rail;
s6, repeating S1-S5.
The invention has the advantages that:
1) the swing mechanism drives the nut to rotate firstly, then the nut is pressed downwards to be clamped on the outer diameter of the lantern ring in advance, and finally the swing device is adjusted back to completely sleeve the nut on the lantern ring. Compared with the traditional nut pressing mode shown in fig. 2, the two-section nut mounting mode has the advantages that the nut is more labor-saving to mount, and the nut and the spray head are not easy to damage;
2) the limit device is used for limiting the front-back swing amplitude of the swing mechanism and enabling the screw cap to rotate to a specific inclination angle, so that the screw cap can be conveniently installed in a subsequent two-step method;
3) can install a plurality of nuts respectively on the shower nozzle simultaneously, assembly efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view of a prior art showerhead with a nut;
FIG. 2 is a schematic view of a prior art assembly nut;
FIG. 3 is a perspective view of an apparatus for installing a nut of a spray head according to the present invention;
FIG. 4 is a perspective view of the swing mechanism of the present invention;
FIG. 5 is a schematic view of a side plate of the supporting frame according to the second embodiment;
FIG. 6 is a schematic view of the swing mechanism swinging to rotate the nut and preparing for pressing;
FIG. 7 is a schematic view of the swing mechanism being depressed to pre-clamp one side of the nut to the outer diameter of the collar;
FIG. 8 is a schematic view of the wobbler after it is wobbled back to its original position to fully nest the nut on the outside diameter of the collar;
FIG. 9 shows a schematic view of a tilted nut in an undepressed state;
FIG. 10 shows a schematic view of the nut pre-snapped onto the collar;
figure 11 shows a schematic view of the nut fully seated on the collar.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
Referring to fig. 3 to 8, the present invention provides an apparatus for mounting a nut of a spray head, which mainly includes a spray head holding mechanism (not shown), a swing mechanism 100, and a multi-axis moving guide 200.
The spray head clamping mechanism is used for fixing the spray head, and the lantern ring is exposed outside. The swing mechanism 100 is mounted on a multi-axis moving guide 200, the swing mechanism 100 is connected to a swing pushing mechanism 105, and a nut holding mechanism 101 is provided on the swing mechanism 100. After the swing propelling mechanism 105 pushes the swing mechanism 100 to swing so that the screw cap 2 tilts to a proper angle, the swing mechanism 100 moves towards the direction of the spray head clamping mechanism so that one side, close to the spray head, of the screw cap 2 is clamped on the outer diameter of the lantern ring 1-1 in advance, and then the swing mechanism 100 swings towards the other side so that the screw cap 2 is completely sleeved on the lantern ring 1-1. The invention adopts the sectional inclined type compression screw, can avoid the damage of the screw cap 2 and improve the yield of products.
The swing mechanism 100 is installed on the supporting frame 110, the supporting frame 110 is installed on the multi-axis moving guide rail 200, the supporting frame 110 is provided with a limiting device for limiting the swing amplitude of the swing mechanism 100, and it is ensured that the swing mechanism 100 drives the nut to incline to a proper inclination angle, and the swing mechanism 100 drives the nut 2 to be inserted in place after being straightened.
Example one
The swing mechanism 100 is provided with a swing shaft, the end part of the swing shaft is fixed on the support frame 110, the swing mechanism 100 swings around the swing shaft, two limit protrusions are arranged on the support frame 110, the two limit protrusions are arranged on the front side and the rear side of the swing mechanism 100 in the swing direction, the swing mechanism 100 swings to one side and stops after being blocked by one limit protrusion, and the screw cap 2 is inclined to a proper inclination angle. The other limit bump has the following functions: when the swinging mechanism 100 swings to the other side and is stopped after being blocked by the limiting lug, the nut can be completely sleeved on the lantern ring 1-1, and the nut is not overturned excessively so as to crush the sprayer.
Example two
As shown in fig. 4-5, the supporting frame 110 has two parallel side plates 111, the two side plates 111 are fixedly connected by a connecting block 114, and each side plate 111 has an upper and a lower coaxial arc chutes 112 and 113; the two rows of upper and lower sliding blocks 102 and 103 are fixed on both sides of the swing mechanism 100, and the two rows of sliding blocks 102 and 103 on each side are respectively arranged in two arc-shaped sliding chutes 112 and 113 on the same side in a sliding manner. The arc-shaped sliding groove and the sliding block form a limiting device of the swing mechanism. Further preferably, the two rows of sliding blocks 102 and 103 include a plurality of rollers, the plurality of rollers in the same row are distributed in an arc, and the distribution radian of the upper and lower rows of rollers is respectively the same as the radian of the upper and lower circular arc chutes, so that the swing mechanism 100 swings more smoothly when swinging back and forth relative to the side plate 111.
In the present invention, the nozzle holding mechanism comprises a row of nozzle holding mechanisms, and a row of nut holding mechanisms 101 (see fig. 4) is disposed at the bottom of the swinging mechanism 100 and perpendicular to the swinging direction. The swing propelling mechanism 105 is a linear push rod, the push rod of the linear push rod is slidably mounted on a slide rail 104, the slide rail 104 plays a role in guiding the linear push rod, the linear push rod is rotatably connected with the top of the swing mechanism 100, and the swing mechanism 100 is driven to swing forwards or backwards through the back-and-forth sliding of the push rod on the slide rail 104.
In an alternative embodiment, the spray head clamping mechanism and the nut clamping mechanism are provided with clamping jaws which are arranged at the front side and the rear side in the swinging direction of the swinging mechanism 100, because when the swinging mechanism 100 swings, the nut 2 and the collar 1-1 are subjected to the largest force in the swinging direction, and if no clamp is used for clamping in the swinging direction, the nut 2 or the collar 1-1 can be separated from the clamp. Therefore, the spray head clamping mechanism and the nut clamping mechanism of the present invention each comprise at least two clamping jaws located in the swinging direction (for example, the swinging direction is the front-back direction, then the spray head clamping mechanism and the nut clamping mechanism comprise at least two clamping jaws for clamping the nut 2 or the collar 1-1 in the front-back direction), so as to ensure that the nut 2 and the collar 1-1 are always fixed on the spray head clamping mechanism and the nut clamping mechanism in the process of the swinging mechanism 100 swinging back and forth to fasten the nut 2.
As shown in fig. 6, the multi-axis moving rail 200 includes a horizontal rail 210, a longitudinal rail 220, a horizontal driving mechanism 212, and a longitudinal driving mechanism 222, wherein the longitudinal rail 220 is driven by the horizontal driving mechanism 212 to slide horizontally on the horizontal rail 210, and the support frame 110 is driven by the longitudinal driving mechanism 222 to slide vertically on the longitudinal rail 220.
The operation of the above-described device for mounting a nut for a spray head will now be further described with reference to fig. 6-11.
S1, the nozzle feeding device and the nut feeding device respectively convey a row of nozzles and a corresponding number of nuts to the nozzle clamping mechanism and the nut clamping mechanism 101. In the initial state, the lantern ring 1-1 and the screw cap 2 are horizontally arranged, the lantern ring 1-1 of the spray head is arranged upwards, and the lantern ring 1-1 of the screw cap 2 is arranged downwards.
S2, the swing propelling mechanism 105 drives the swing mechanism 100 to swing, and the swing mechanism stops after being blocked by the limiting device in the swing process, so that the screw cap 2 inclines to form a specific included angle with the lantern ring 1-1. The inclination angle of the screw cap 2 is not suitable to be too large, otherwise the screw cap cannot be subsequently clamped on the outer diameter of the lantern ring 1-1 in advance; if the angle of inclination is too small, the effect is not obtained. Preferably, the inclined angle of the screw cap 2 is 15-20 degrees, and the optimal angle is 17 degrees, so that the product yield is optimal and labor is saved.
S3, the horizontal driving mechanism 212 drives the swing mechanism 100 to move horizontally on the horizontal guide rail 210 until the inclined nut 2 is located right above the spray head collar 1-1, as shown in fig. 6 and 9. The longitudinal driving mechanism 222 then drives the swing mechanism 100 to move vertically downward (in the direction of the arrow shown in fig. 6) on the longitudinal rail 220, so that the side of the nut 2 close to the spray head is pre-clamped on the outer diameter of the collar 1-1. As shown in fig. 7 and 10, a portion of the retainer ring 2-1 at the bottom of the nut 2 is already clamped at the lower portion of the collar 1-1, so that the stress applied to the nut 2 and the collar 1-1 in step S4 is reduced, and the nut 2 can be easily placed on the collar 1-1.
S4, the swing pushing mechanism 105 drives the swing mechanism 100 to swing to the other side (as shown by the arrow in fig. 7), so that the nut 2 is completely sleeved on the collar 1-1.
S5, sequentially loosening the nut clamping mechanism 101 and the nozzle clamping mechanism, removing the nozzle with the nut installed, and moving the swing mechanism 100 to the original position on the longitudinal guide rail 220 and the horizontal guide rail 210 to prepare for the next process.
S6, repeating S1-S5.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. An apparatus for mounting a nut for a spray head, the apparatus for back-threading the nut onto a collar at the bottom of the spray head, the apparatus comprising:
the spray head clamping mechanism is used for fixing the spray head, and the lantern ring is exposed outside;
the swing mechanism is arranged on the movable guide rail, is connected with the swing propelling mechanism and is provided with a nut clamping mechanism;
after the swing propelling mechanism pushes the swing mechanism to swing so that the screw cap inclines, the swing mechanism moves towards the direction of the spray head clamping mechanism so that one side, close to the spray head, of the screw cap is clamped on the outer diameter of the sleeve ring in advance, and then the swing mechanism swings towards the other side so that the screw cap is completely sleeved on the sleeve ring.
2. The apparatus of claim 1, wherein said oscillating mechanism is mounted on a support frame, said support frame having a limiting means for limiting the amplitude of oscillation of said oscillating mechanism.
3. The apparatus according to claim 2, wherein the swing mechanism has a swing shaft, an end of the swing shaft is fixed to the support frame, the swing mechanism swings around the swing shaft, and two limit projections are provided on the support frame on both front and rear sides in a swing direction of the swing mechanism.
4. The apparatus according to claim 2, wherein the support frame has two parallel side plates, the two side plates are fixedly connected by a connecting block, and each side plate has an upper and a lower coaxial circular-arc chutes;
two rows of upper and lower sliding blocks are fixed on two sides of the swing mechanism, and the two rows of sliding blocks are respectively arranged in two arc-shaped sliding grooves on the same side in a sliding manner.
5. The apparatus for mounting nuts for spray heads according to claim 3 or 4, wherein the spray head holding mechanism comprises a row of spray head holding mechanisms, and a row of nut holding mechanisms perpendicular to the swinging direction is provided at the bottom of the swinging mechanism;
the swing propelling mechanism is a linear push rod, and the linear push rod is rotatably connected with the top of the swing mechanism.
6. The apparatus according to claim 5, wherein said spray head holding means and said nut holding means comprise at least a holding jaw provided on front and rear sides in a swing direction of said swing means.
7. The apparatus according to claim 4, wherein the two rows of sliders each include a plurality of rollers, the plurality of rollers in the same row are arranged in an arc, and the upper and lower rows of rollers are arranged in an arc having the same arc as the arc of the upper and lower two circular arc chutes, respectively.
8. The apparatus according to claim 1, wherein the movable rail is a multi-axis rail comprising a horizontal rail, a longitudinal rail, and a horizontal driving mechanism and a longitudinal driving mechanism, the longitudinal rail is driven by the horizontal driving mechanism to slide horizontally on the horizontal rail, and the support frame is driven by the longitudinal driving mechanism to slide vertically on the longitudinal rail.
9. A two-stage tilt nut installation method based on the apparatus of any one of claims 1-8, wherein the spray head nut installation method comprises the steps of:
s1, respectively clamping and fixing the spray head and the screw cap by the spray head clamping mechanism and the screw cap clamping mechanism;
s2, driving the swing mechanism to swing to one side by the swing propelling mechanism to enable the screw cap to incline;
s3, moving the swing mechanism on the moving guide rail until the screw cap is positioned right above the lantern ring, and then moving the swing mechanism towards the direction of the spray head to pre-clamp one side of the screw cap close to the spray head on the outer diameter of the lantern ring;
and S4, driving the swing mechanism to swing back to the other side by the swing propelling mechanism, so that the nut is completely sleeved on the lantern ring.
10. The method of claim 9, wherein in step S2, the nut is tilted to an angle of 15 ° to 20 ° with respect to the collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494394.7A CN114102088A (en) | 2021-12-08 | 2021-12-08 | Device for mounting nozzle nut and two-section inclined nut mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494394.7A CN114102088A (en) | 2021-12-08 | 2021-12-08 | Device for mounting nozzle nut and two-section inclined nut mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114102088A true CN114102088A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111494394.7A Pending CN114102088A (en) | 2021-12-08 | 2021-12-08 | Device for mounting nozzle nut and two-section inclined nut mounting method |
Country Status (1)
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| CN (1) | CN114102088A (en) |
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| CN107414452A (en) * | 2017-08-08 | 2017-12-01 | 珠海格力智能装备有限公司 | Battery cover assembles device and assembly method |
| CN206885466U (en) * | 2017-02-23 | 2018-01-16 | 绍兴托普利包装有限公司 | A kind of packing machine gives bag mechanism |
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| CN110065164A (en) * | 2019-05-17 | 2019-07-30 | 陈常 | A kind of building building cement is stirred system and method |
| CN209578755U (en) * | 2019-09-29 | 2019-11-05 | 快克智能装备股份有限公司 | A kind of screw thread glue the screwed lock mechanism |
| CN113538788A (en) * | 2021-07-14 | 2021-10-22 | 致籁(上海)机器人科技有限公司 | Bowl cover compression fittings and full-automatic cup covering machine |
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2021
- 2021-12-08 CN CN202111494394.7A patent/CN114102088A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000052161A (en) * | 1998-07-31 | 2000-02-22 | Honda Motor Co Ltd | Method and device for pressing-in component around valve of cylinder head |
| DE102006048694A1 (en) * | 2006-10-14 | 2008-04-17 | Siemens Vdo Mechatronic Gmbh & Co. Kg | Rotation angle controlling method for diesel fuel injector, involves rotating nozzle clamping nut and injector body against each other in release direction of rotation of bolt connection, and detecting facing of thread section by sensor |
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| CN209578755U (en) * | 2019-09-29 | 2019-11-05 | 快克智能装备股份有限公司 | A kind of screw thread glue the screwed lock mechanism |
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Application publication date: 20220301 |