CN114227612B - Automatic assembling device and method for plastic sleeve of seat tray - Google Patents
Automatic assembling device and method for plastic sleeve of seat tray Download PDFInfo
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- CN114227612B CN114227612B CN202111630257.1A CN202111630257A CN114227612B CN 114227612 B CN114227612 B CN 114227612B CN 202111630257 A CN202111630257 A CN 202111630257A CN 114227612 B CN114227612 B CN 114227612B
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- plastic sleeve
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- tray
- feeding track
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012546 transfer Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 19
- 238000007664 blowing Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012216 screening Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Feeding Of Articles To Conveyors (AREA)
Abstract
The invention discloses an automatic assembling device and method for a plastic sleeve of a seat tray, comprising a second rack, a second vibration disc, a second vibration feeding track, a third transfer mechanism and a third assembling mechanism; a fourth assembly plate for placing the tray to be assembled is arranged on the second rack, and the upper surface of the fourth assembly plate is obliquely arranged so that a fourth round hole on a movable seat in the tray to be assembled is vertical; the upper surface of the fourth assembly plate is also fixedly provided with or integrally formed with a fourth installation seat for supporting a threaded rod in the assembly tray; the second vibration plate and the second vibration feeding track are positioned at one side of the second frame, and the second vibration plate is used for conveying the plastic sleeve to the second vibration feeding track in a state that the first bottom wall is downward; according to the technical scheme, the plastic sleeves can be accurately assembled on the tray to be assembled, and the spatial positions among the mechanisms are distributed reasonably.
Description
Technical Field
The invention relates to the technical field of mechanical automation, in particular to an automatic assembly device and method for a plastic sleeve of a seat tray.
Background
For the existing office chairs and leisure chairs, the tilting function and the tilting adjustment of the existing office chairs and leisure chairs are often realized through a chair tray.
The Chinese patent document with the publication number of CN201542121U discloses a tray for double-locking chairs, which comprises a chassis arranged on a swivel chair, wherein the chassis is connected with a shell through a support shaft, an adjusting nut is arranged in the shell, the lower end of the adjusting nut is connected with a spring, a movable seat is arranged in the shell, a conical pipe is inserted in the movable seat, a conical fixing plate is arranged between the conical pipe and the movable seat, the side wall of the chassis and the side wall of the shell are connected with an adjusting rod which can rotate and axially move in a penetrating way, the inner end of the adjusting rod is inserted in the movable seat and is connected with an adjusting plate which can contact with a pneumatic rod, the rod body of the adjusting rod is connected with a limiting piece, and one end of the limiting piece is connected with a locking plate which can be buckled at the edge of the side wall of the chassis.
The seat tray in this patent document occupies a wide market share due to its structural superiority.
However, the existing seat tray is basically assembled by manpower, so that the assembly cost of the seat tray is increased, time and labor are wasted, and the efficiency is low.
For those skilled in the art, to complete the automatic assembly of the seat tray, it is necessary to automatically assemble the plastic sleeve on the tray to be assembled, but the following technical problems exist at present:
1) How to automatically send out a single plastic sleeve in a specific state each time;
2) The plastic sleeve is assembled on the tray to be assembled, the plastic sleeve is required to be sleeved on the threaded rod, but the state of the threaded rod on the tray to be assembled has various possibilities, so that how to accurately sleeve the plastic sleeve on the threaded rod is also a technical problem to be solved.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to overcome the above technical problems, and to provide an automatic assembling device and method for plastic sleeves of a seat tray, which can accurately assemble the plastic sleeves onto a tray to be assembled, and the spatial positions of the mechanisms are distributed reasonably.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
An automatic assembling device of a plastic sleeve of a seat tray, wherein the plastic sleeve comprises a first side wall and a first bottom wall, one end of the first side wall is connected with the first bottom wall, the other end of the first side wall forms an opening part of the plastic sleeve, and a central hole is formed in the first bottom wall;
the automatic assembly device comprises a second rack, a second vibration disc, a second vibration feeding track, a third transfer mechanism and a third assembly mechanism;
A fourth assembly plate for placing the tray to be assembled is arranged on the second rack, and the upper surface of the fourth assembly plate is obliquely arranged so that a fourth round hole on a movable seat in the tray to be assembled is vertical; the upper surface of the fourth assembly plate is also fixedly provided with or integrally formed with a fourth installation seat for supporting a threaded rod in the assembly tray;
the second vibration plate and the second vibration feeding track are positioned at one side of the second frame, and the second vibration plate is used for conveying the plastic sleeve to the second vibration feeding track in a state that the first bottom wall is downward;
The third transfer mechanism and the third assembly mechanism are mounted on the second rack, the third assembly mechanism comprises a second mounting frame and a second alignment assembly on the second mounting frame, and the second alignment assembly is used for enabling a threaded rod in a tray to be assembled to be vertical; the third transfer mechanism transfers the plastic sleeve positioned at the discharge hole of the second vibrating track to the second alignment assembly, and the plastic sleeve is sleeved on the threaded rod in an empty way; the second alignment assembly loosens the threaded rod and causes the plastic sleeve to drop onto the tray to be assembled, thereby completing the assembly of the plastic sleeve.
Preferably, the second alignment assembly includes a second alignment driving member and two second alignment members, the second alignment driving member driving the two second alignment members toward or away from each other during rotation to clamp or unclamp the threaded rod.
Preferably, the opposite sides of the two second alignment members are provided with a vertical semicircular groove, and when the second alignment driving members drive the two second alignment members to approach each other, the two semicircular grooves cooperate to form a circular hole for enabling the threaded rod to be vertical.
Preferably, a third alignment assembly is further provided, the third alignment assembly being located above the second alignment assembly;
Wherein the third alignment assembly is configured to allow the plastic sleeve to be vertical when the plastic sleeve is positioned on the second alignment assembly.
Preferably, the third alignment assembly comprises a third alignment driving member and two third alignment members, the third alignment driving member driving the two third alignment members toward or away from each other during rotation to clamp or unclamp the plastic sleeve.
Preferably, the opposite side surfaces of the two third alignment members are provided with circular arc grooves, and when the third alignment driving members drive the two third alignment members to be close to each other, the circular holes formed by the two circular arc grooves in a matching manner enable the plastic sleeve to be vertical.
Preferably, the second vibration disc is provided with a second feeding track and a third feeding track which are communicated, and the third feeding track is communicated with the second vibration feeding track; the second feeding track spirally rises along the side wall of the first vibration disc;
the width of the bottom wall of the second feeding track is larger than the radius of the first side wall of the plastic sleeve and smaller than half of the height of the plastic sleeve, so that the plastic sleeve with the first bottom wall inwards or outwards is promoted to fall off the second feeding track;
the third feeding track is provided with a first falling position for enabling the vertically placed plastic sleeve with the first bottom wall upwards to fall and a second falling position for enabling the horizontally placed plastic sleeve to fall.
Preferably, the third transfer mechanism comprises a two-dimensional second driving component and a first transfer component arranged on the two-dimensional second driving component, the transfer component comprises a transfer driving component and at least two transfer components, the two-dimensional second driving component drives the at least two transfer components to extend into the plastic sleeve, the transfer driving component drives the at least two transfer components to be far away from each other so as to pick up the plastic sleeve, and drives the at least two transfer components to be close to each other so as to loosen the plastic sleeve; the two-dimensional second driving assembly drives the first transferring assembly to move so as to transfer the plastic sleeve positioned at the discharge hole of the second vibrating track to the second aligning assembly.
Preferably, the opposite faces of the two transfer members are each provided with a recess which cooperates to form a channel for receiving the threaded rod when the two transfer members are brought into proximity with each other.
An automatic assembling method of a seat tray plastic sleeve adopts the automatic assembling device of the seat tray plastic sleeve, and comprises the following specific steps:
S1, a second vibration disc sends downward plastic sleeves of a first bottom wall to a second vibration feeding track, and the second vibration feeding track sends downward plastic sleeves of the first bottom wall to a discharge hole of the second vibration feeding track;
S2, the second alignment driving parts drive the two second alignment parts to be close to each other so that a threaded rod in the tray to be assembled is vertical, and meanwhile, the third transfer mechanism transfers the plastic sleeve positioned at the discharge hole of the second vibration track to the second alignment assembly and enables the plastic sleeve to be sleeved on the threaded rod in an empty mode;
S3, the third alignment driving parts drive the two third alignment parts to be close to each other so that the plastic sleeve is vertical;
s4, the second alignment driving parts drive the two second alignment parts to be away from each other so as to loosen the threaded rod, and then the third alignment driving parts drive the two third alignment parts to be away from each other so as to loosen the plastic sleeve, so that the plastic sleeve falls on the tray to be assembled, and the assembly is completed.
The beneficial effects of the invention are as follows:
1) According to the invention, the tray to be assembled is arranged on the inclined plane, so that the fourth round hole on the movable seat is vertical, and then the threaded rod is clamped by the second alignment assembly, so that the threaded rod is in a vertical state, thereby realizing the accurate positioning of the threaded rod, and finally, the plastic sleeve is conveniently sleeved on the threaded rod;
2) The third transfer mechanism picks up the plastic sleeve in a manner of expanding the plastic sleeve, so that the plastic sleeve can rebound inevitably in the process of putting down the plastic sleeve, in addition, due to the existence of the second alignment assembly, when the plastic sleeve is empty and sleeved on the threaded rod, the plastic sleeve can only fall on the second alignment assembly in advance, when the second alignment assembly loosens the threaded rod, the plastic sleeve can incline inevitably, and further, when the plastic sleeve falls on a tray to be assembled, large deviation is generated, and the assembly of subsequent stations is not facilitated, so that the situation is avoided by arranging the third alignment assembly;
3) And the automatic feeding of the plastic sleeve according to the appointed state is realized.
Drawings
FIG. 1 is a schematic view of an automatic assembly device for plastic sleeves of a seat tray according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating the cooperation of a third transfer mechanism and a third assembly mechanism according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating the cooperation of a second vibratory pan and a second vibratory feed track in an embodiment of the application;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic structural view of a third transfer mechanism according to an embodiment of the present application;
FIG. 6 is a schematic structural view of a third assembly mechanism according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a second alignment assembly according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a third alignment assembly according to an embodiment of the present application;
FIG. 9 is a schematic structural view of a fourth mounting plate according to an embodiment of the present application;
FIG. 10 is a schematic view of a seat tray according to an embodiment of the present application;
FIG. 11 is a schematic view of a plastic cover according to an embodiment of the present application;
fig. 12 is a schematic structural diagram of a plastic cover according to an embodiment of the application.
Reference numerals illustrate: 30. a second frame; 360. a second vibration plate; 361. a second vibratory feed rail; 362. a third transfer mechanism; 3621. a two-dimensional second drive assembly; 3622. a first transfer assembly; 36221. a transfer drive; 36222. a transfer member; 36223. a groove; 363. a third assembly mechanism; 320. a fourth assembly plate; 321. a fourth positioning column; 322. a fourth mount; 3631. a second alignment assembly; 3632. a second mounting frame; 3633. a third alignment assembly; 36310. a second alignment drive; 36311. a second alignment member; 36312. a semicircular groove; 36313. an inclined surface; 36330. a third alignment drive; 36331. a third alignment member; 36332. an arc groove; 3601. a second feed rail; 3602. a third feed rail; 3603. a step; 3604. a stirring bar; 3605. a mounting rod; 3606. a material stirring piece; 36061. balancing weight; 36062. an extension; 3607. a first drop position; 3608. a second drop position; 36071. a third notch; 36072. a fourth notch; 36073. a first drop piece; 36081. a second drop piece; 36082. a first barrier rib;
8. A seat tray; 80. a chassis; 800. a first round hole; 801. a first long hole; 802. a second round hole; 81. a movable seat; 810. a third round hole; 82. a conical tube; 83. an adjusting rod; 84. a handle member; 85. a pulling piece; 86. a connecting rod; 860. a tapered bore; 87. a torsion spring assembly; 870. a connecting block; 8700. a first connection portion; 8701. a second connecting portion; 8702. a third connecting portion; 8703. a through hole; 8704. a first clamping hole; 8705. a second clamping hole; 871. a first torsion spring; 88. an adjusting mechanism; 880. a threaded rod; 881. a pressure spring; 882. a plastic sleeve; 8820. a first sidewall; 8821. a first bottom wall; 8822. a central bore; 8823. an opening portion; 883. a plastic cover; 884. an adjusting nut; 885. forming a gasket; 886. a flat gasket.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.
In embodiments of the application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the embodiment of the application, "assembling" means that the parts are detachably mounted on the tray to be assembled, and "assembling" means that the parts are fixedly mounted on the tray to be assembled.
Embodiment one:
The seat tray 8 shown in fig. 10 comprises a chassis 80, a movable seat 81, a conical tube 82, an adjusting rod 83, a handle piece 84, a pulling piece 85, a locking mechanism for controlling lifting of the seat and an adjusting mechanism 88 for adjusting tilting tension of the seat, wherein the locking mechanism comprises a torsion spring assembly 87 and a connecting rod 86, the torsion spring assembly 87 comprises a connecting block 870 and a first torsion spring 871 which are fixedly connected, the movable seat 81 is hinged with the chassis 80 through the connecting rod 86, the connecting block 870 is sleeved on the connecting rod 86 in an empty mode, the torsion spring is fixedly connected with the connecting block 870 and can generate acting force on the conical tube 82, and the adjusting mechanism 88 comprises a threaded rod 880, a pressure spring 881, a plastic sleeve 882, a plastic cover 883, an adjusting nut 884, a forming gasket 885 and a flat gasket 886 which are coaxially distributed;
here, the mounting structure and the positional structure of the seat tray 8 in the present embodiment are substantially the same as those of the respective components of the seat tray 8 in the related art, and therefore, the mounting relationship and the positional relationship of the respective components in the seat tray 8 are not described in detail here.
An automatic assembly device of a plastic sleeve of a seat tray, as shown in fig. 1 and 2, is used for assembling the plastic sleeve 882 onto the tray to be assembled at a fourth assembling station, and comprises a second vibration disc 360, a second vibration feeding track 361, a third transfer mechanism 362 and a third assembling mechanism 363, wherein the second vibration disc 360 is positioned at the right side of the second frame 30, and the third transfer mechanism 362 is mounted on the second frame 30 and positioned between the fourth assembling station and the third vibration feeding mechanism; the third assembly mechanism 363 is located at the side of the fourth assembly station.
It should be noted that, the worker needs to pass one end of the adjusting rod 83 for installing the handle member 84 through the first long hole 801 from inside to outside, and make the adjusting rod 83 be located at the top end of the first long hole 801, then push the adjusting rod 83 to make the adjusting rod 83 axially move, and then make the other end of the adjusting rod 83 pass through the first round hole 800 from inside to outside, and finally place the movable seat 81 at a designated position on the chassis 80, so as to complete the assembly of the tray to be assembled; then, the shaft ends of the connecting rods 86 are riveted, and the threaded rods are assembled on the seat tray 8, namely, in the embodiment of the application, the tray to be assembled refers to the seat tray 8 which is assembled by the chassis 80, the movable seat 81, the conical tube 82, the connecting rods 86 and the torsion spring component 87, the threaded rods 880, the plastic sleeve 882 and the spring component, and the plastic cover 883 and the handle component 84;
As shown in fig. 11 and 12, the plastic sleeve 882 includes a first side wall 8820 and a first bottom wall 8821, one end of the first side wall 8820 is connected with the first bottom wall 8821, the other end of the first side wall 8820 forms an opening 8823 of the plastic sleeve 882, and the first bottom wall 8821 is provided with a central hole 8822; and the first side wall 8820 is a pleated (pleated state not shown) and compressible cylinder.
In the embodiment of the present application, as shown in fig. 9, the fourth assembling station includes a fourth assembling plate 320, a plurality of fourth positioning columns 321 for placing the tray to be assembled are disposed on the fourth assembling plate 320, and the upper surface of the fourth assembling plate 320 is obliquely disposed so that the fourth round hole on the movable seat 81 in the tray to be assembled is vertical.
Further preferably, the upper surface of the fourth mounting plate 320 is also fixedly mounted or integrally formed with a fourth mounting seat 322, the upper surface of the fourth mounting seat 322 is horizontal, and the upper surface of the fourth mounting seat 322 is provided with a mounting hole adapted to the shape of the cap end of the threaded hole; the cap end of the threaded rod 880 is positioned in the mounting hole when the tray to be assembled is positioned on the fourth mounting plate 320. In this way, the threaded rod 880 can be ensured to be substantially vertical.
Wherein the second vibration plate 360 is used for enabling the plastic sleeve 882 to be sent to the second vibration feeding track 361 in a specified state and to advance along the second vibration feeding track 361;
as shown in fig. 6, the third assembly mechanism 363 includes a second alignment assembly 3631, the second alignment assembly 3631 for making the threaded rod 880 in the tray to be assembled vertical; the third transfer mechanism 362 transfers the plastic sleeve 882 at the second vibrating rail outlet onto the second alignment assembly 3631, and allows the plastic sleeve 882 to be over the threaded rod 880; the second alignment assembly 3631 releases the threaded rod 880 and allows the plastic sleeve 882 to drop onto the tray to be assembled thereby completing the assembly of the plastic sleeve 882.
As shown in fig. 7, the second alignment assembly 3631 includes a second alignment driver 36310 and two second alignment members 36311, the second alignment driver 36310 driving the two second alignment members 36311 toward and away from each other during rotation to clamp or unclamp the threaded rod 880. This is provided to avoid the threaded rod 880 colliding with the second alignment member 3631 during movement of the tray to be assembled at the fourth assembly station.
Further preferably, two second alignment members 36311 are provided with a vertical half slot 36312 on opposite sides thereof, and when the second alignment driving member 36310 drives the two second alignment members 36311 toward each other, the two half slots 36312 cooperate to form a circular hole for the threaded rod 880 to be vertical.
Further preferably, the two side edges of the semicircular groove 36312 extend outwards to form two inclined surfaces 36313, the distance between the outer ends of the two inclined surfaces 36313 is greater than the distance between the inner ends of the two inclined surfaces 36313, and the inclined surfaces 36313 on the two second alignment members 36311 are staggered up and down. This arrangement is because there may be a large inclination of the threaded rod 880, and if the threaded rod 880 is restrained only by the semicircular groove 36312, a seizing may occur, so that the inclined threaded rod 880 is guided into the semicircular groove 36312 by providing the inclined surface 36313.
In an embodiment of the present application, the third assembly mechanism 363 further includes a second mounting bracket 3632 and a third alignment assembly 3633 on the second mounting bracket 3632, the third alignment assembly 3633 is located above the second alignment assembly 3631, and the third alignment assembly 3633 is used to make the plastic sleeve 882 vertical.
As shown in fig. 8, the third alignment assembly 3633 includes a third alignment driver 36330 and two third alignment members 36331, the third alignment driver 36330 driving the two third alignment members 36331 toward and away from each other during rotation to clamp or unclamp the plastic case 882. This is provided to avoid the threaded rod 880 colliding with the third alignment member 3633 during movement of the tray to be assembled at the fourth assembly station.
Further preferably, the opposite sides of the two third alignment members 36331 are provided with circular arc grooves 36332, and when the third alignment driving member 36330 drives the two third alignment members 36331 to approach each other, the circular holes formed by the two circular arc grooves 36332 in a matching manner enable the plastic sleeve 882 to be vertical.
As shown in fig. 1 and 3, the second vibration plate 360 is provided with a second feeding track 3601 and a third feeding track 3602 which are communicated, and the third feeding track 3602 is communicated with the second vibration feeding track 361; the second feeding track 3601 spirally rises along the side wall of the first vibration plate;
wherein the width of the bottom wall of the second feeding track 3601 is greater than the radius of the plastic sleeve 882 and less than half the height of the plastic sleeve 882, thereby causing the plastic sleeve 882, either inwardly or outwardly of the first bottom wall 8821, to fall off the second feeding track 3601;
The third feeding track 3602 is provided with a first drop position 3607 for dropping the vertically placed plastic sleeve 882 with the first bottom wall 8821 facing upwards and a second drop position 3608 for dropping the horizontally placed plastic sleeve 882.
The arrangement is such that only the plastic sleeve 882 with the first bottom wall 8821 facing downward comes out of the second vibratory pan 360 for screening purposes.
In the embodiment of the present application, the bottom wall of the second feeding track 3601 gradually slopes downward from inside to outside, so that the plastic sleeve 882 can be closely attached to the second outer sidewall when it is spirally lifted along the second feeding track 3601; thus, when the first bottom wall 8821 of the plastic case 882 is mainly forward and mainly backward, the plastic case 882 gradually clings to the side wall of the second vibration plate 360 and is further transformed into the first bottom wall 8821 facing the front or the front backward by the bottom wall gradually sloping downward from inside to outside.
Further preferably, a material pulling strip 3604 is further disposed on the outer sidewall of the second feeding track 3601, and the material pulling strip 3604 can enable the overlapped plastic sleeve 882 to fall from the second feeding track 3601.
In the embodiment of the present application, the first drop position 3607 is provided with a third notch 36071 and a fourth notch 36072, and a first drop tab 36073 located between the third notch 36071 and the fourth notch 36072, the first drop tab 36073 is used as a bottom wall at the first drop position 3607 on the third feeding track 3602, the width of the first drop tab 36073 is smaller than the diameter of the first side wall 8820 of the plastic sleeve 882 and larger than the radius of the first side wall 8820 of the plastic sleeve 882, the distance between the inner end of the third notch 36071 and the inner side wall of the third feeding track 3602 is smaller than the radius of the first side wall 8820 of the plastic sleeve 882, and the distance between the inner end of the fourth notch 36072 and the inner side wall of the third feeding track 3602 is smaller than the radius of the first side wall 882 of the plastic sleeve 882;
wherein, when the vertically placed plastic sleeve 882 with the first bottom wall 8821 facing upward passes through the first drop position 3607, the end surface of the first side wall 8820 of the plastic sleeve 882 can be simultaneously located at the third notch 36071 and the fourth notch 36072; thus, a majority of the end surface of the first side wall 8820 of the plastic sleeve 882 is suspended such that the vertically disposed plastic sleeve 882 with the first bottom wall 8821 facing upward is dropped from the first drop position 3607.
Further preferably, the outer end surface of the first dropping piece 36073 is an arc surface protruding outwards; through setting up the arc surface, under the circumstances that makes the plastic sleeve 882 of putting up of first bottom wall 8821 drop, can increase the width of first piece 36073 that drops as far as possible to guarantee that the plastic sleeve 882 of other states can pass through first position 3607 that drops smoothly.
In the embodiment of the application, the second drop position 3608 is provided with a second drop piece 36081 and a first blocking strip 36082, the first blocking strip 36082 is used as an outer side wall of the third feeding track 3602 at the second drop position 3608, the first blocking strip 36082 is positioned at the outer side and above the second drop piece 36081, the second drop piece 36081 is used as a bottom wall of the third feeding track 3602 at the second drop position 3608, the width of the second drop piece 36081 is smaller than the radius of the first side wall 8820 of the plastic sleeve 882, and a notch for the flat plastic sleeve 882 to drop is formed between the first blocking strip 36082 and the second drop piece 36081.
In the embodiment of the present application, the air blowing assembly is located at the second drop position 3608 and is mounted on the first blocking strip 36082, and the air blowing assembly is used to make the vertically placed plastic sleeve 882 with the first bottom wall 8821 downward cling to the inner sidewall of the third feeding track 3602 and pass through the second drop position 3608; the blowing assembly includes a blowing tube with a blowing port located above the plastic sleeve 882 and blowing against the inner wall of the plastic sleeve 882, thereby forcing the plastic sleeve 882 against the inner side wall of the third feed track 3602 and through the second drop location 3608. This is because, in order to ensure that the flat plastic sleeve 882 falls from the second drop location 3608, the width of the second drop tab 36081 is smaller, and if the first bottom wall 8821 is directed downward, there is also a possibility of falling through the second drop location 3608, the plastic sleeve 882 is blown against the inner sidewall of the third feed track 3602 by the blowing assembly and the assistance of the plastic sleeve 882 is imparted to the forward travel of the plastic sleeve 882 such that it passes smoothly through the second drop location 3608.
In the embodiment of the present application, as shown in fig. 1, 3 and 4, the bottom wall of the second feeding track 3601 is higher than the bottom wall of the third feeding track 3602 to form a step 3603, and the height difference of the step 3603 is greater than half the height of the plastic sleeve 882 and less than the height of the plastic sleeve 882, so that the flat plastic sleeve 882 is converted into a vertically placed plastic sleeve 882 when passing through the step 3603.
Further preferably, an inwardly extending mounting rod 3605 is disposed on the outer sidewall of the third feeding track 3602, a mounting rod 3605 is suspended on the mounting rod 3605, the mounting rod 3605 is located at the feeding hole of the third feeding track 3602, the material stirring member 3606 is located at the middle portion between the inner sidewall and the outer sidewall of the third feeding track 3602, and the mounting rod 3605 is used for preventing the vertically placed plastic sleeve 882 from being toppled to be a flat plastic sleeve 882 when the plastic sleeve 882 enters the third feeding track 3602 from the second feeding track 3601; this is because the step 3603 is provided so that, in addition to being able to facilitate the conversion of the flat plastic sleeve 882 to the upright plastic sleeve 882 as it passes the step 3603, the upright plastic sleeve 882 is also caused to topple over and be converted to the flat plastic sleeve 882, thus preventing toppling thereof by providing the pick 3606 against the upright plastic sleeve 882.
Further preferably, the bottom end of the material shifting member 3606 extends toward the direction of the discharge hole of the second feeding track 3601 to form an extension part 36062, the extension part 36062 forms an obtuse angle with the material shifting member 3606, and during the process that the horizontally placed plastic sleeve 882 with the first bottom wall 8821 facing backward moves out of the second feeding track 3601, the extension part 36062 can extend into the opening 8823 of the plastic sleeve 882 and contact with the first side wall 8820, so that the horizontally placed plastic sleeve 882 is converted from the horizontally placed state with the first bottom wall 8821 facing backward to the vertically placed state with the first bottom wall 8821 facing downward to fall on the third feeding track 3602.
The reason for this is that, in the process that the plastic sleeve 882 is vibrated by the second vibration plate 360 and is spirally lifted along the second feeding track 3601, most of the plastic sleeve 882 is in a horizontal state, i.e., the first bottom wall 8821 is in a forward or backward state, and a small part of the plastic sleeve 882 is in a vertical state, i.e., a half of the small part of the plastic sleeve 882 is in a downward state of the first bottom wall 8821, so that if only the first drop position 3607 and the second drop position 3608 are screened, only a small part of the plastic sleeve 882 can pass through the screening, and the working efficiency is low, so that the state of the plastic sleeve 882 is changed by arranging the material deflector 3606, so that most of the plastic sleeve 882 is in a downward state of the first bottom wall 882, and the screening efficiency is greatly improved.
Specifically, when the plastic sleeve 882 with the first bottom wall 8821 facing backward passes through the discharge port of the second feeding track 3601, the extension part 36062 of the material pulling member 3606 extends into the plastic sleeve 882 from the opening 8823, the plastic sleeve 882 continues to push the material pulling member 3606 to rotate forward and upward, and meanwhile, the extension part 36062 in the material pulling member 3606 contacts with the first side wall 8820 to lift the front end of the plastic sleeve 882, when the plastic sleeve 882 completely moves out of the second feeding track 3601, the front end of the material pulling member 3606, i.e., the opening 8823 rotates upward to the highest point, so that the plastic sleeve 882 can fall onto the third feeding track 3602 with the first bottom wall 8821 facing downward;
When the plastic sleeve 882 with the first bottom wall 8821 facing forward passes through the discharge port of the second feeding track 3601, the plastic sleeve 882 can fall onto the third feeding track 3602 with the first bottom wall 8821 facing downward due to the step 3603;
When the upright plastic sleeve 882 passes through the discharge hole of the second feeding track 3601, the extension part 36062 of the material shifting member 3606 abuts against the side wall of the plastic sleeve 882, and at this time, the front and rear sides of the plastic sleeve 882 are respectively abutted against the next plastic sleeve 882 and the material shifting member 3606, so that the vertical state of the plastic sleeve 882 is not changed, and the plastic sleeve 882 continues to move until the second feeding track 3601 is completely removed and then falls on the third feeding track 3602.
Further preferably, the mounting rod 3605 is provided with a threaded portion, the material stirring piece 3606 is provided with a threaded hole, and the material stirring piece 3606 is sleeved on the mounting rod 3605 through the threaded hole and is in threaded fit with the threaded portion through the threaded hole. With this arrangement, the deflector 3606 is prevented from moving axially on the mounting bar 3605.
Further preferably, a balancing weight 36061 is further installed on the material stirring piece 3606, and the balancing weight 36061 is located at the lower half section of the material stirring piece 3606; this is because the pick-up 3606 is required to have a proper weight in addition to its structure and installation position, so that the weight of the pick-up 3606 can be conveniently adjusted by providing the weight 36061.
In this embodiment of the present application, the horizontal linear rail of the second vibration feeding rail 361 is further provided with a fourth sensor, and the fourth sensor is installed at the discharge port of the second vibration feeding rail 361, and when the third assembly mechanism 363 removes the plastic sleeve 882 located at the discharge port of the second vibration feeding rail 361, the fourth sensor sends a signal to enable the second vibration disc 360 to enter the working state.
In the embodiment of the present application, as shown in fig. 5, the third transfer mechanism 362 includes a two-dimensional second driving assembly 3621, and a first transfer assembly 3622 mounted on the two-dimensional second driving assembly 3621, where the two-dimensional second driving assembly 3621 is used to drive the first transfer assembly 3622 to move left and right and up and down; the transfer assembly includes a transfer drive 36221 and two transfer members 36222, the transfer drive 36221 driving the two transfer members 36222 away from each other to pick up the plastic sleeve 882 and driving the two moving members toward each other to release the plastic sleeve 882.
Further preferably, the surface of the transfer member 36222 for contacting with the inner sidewall of the plastic case 882 is an arc surface; so configured, the plastic sleeve 882 can be installed on both transfer members 36222 when the two transfer members 36222 are spaced apart from one another.
Further preferably, the lower section of the transfer element 36222 is a half cone; so set up, when two transfer pieces 36222 are moved down conveniently, can stretch into in the plastic case 882 smoothly.
Further preferably, the opposing faces of the two transfer elements 36222 are each provided with a recess 36223, and when the two transfer elements 36222 are brought into proximity with each other, the recesses 36223 cooperate to form a channel capable of receiving the threaded rod 880.
In an embodiment of the present application, the method for assembling the plastic sleeve 882 on the tray to be assembled is as follows:
S1, the second vibration disk 360 sends the plastic sleeve 882 with the first bottom wall 8821 downward to the second vibration feeding track 361, and the second vibration feeding track 361 sends the plastic sleeve 882 with the first bottom wall 8821 downward to the discharge port of the second vibration feeding track 361;
S2, the second alignment driving piece 36310 drives the two second alignment pieces 36311 to be close to each other so that the threaded rod 880 in the tray to be assembled is vertical, and meanwhile, the third transfer mechanism 362 transfers the plastic sleeve 882 positioned at the discharge hole of the second vibration track to the second alignment assembly 3631, and the plastic sleeve 882 is sleeved on the threaded rod 880 in an empty mode;
s3, a third alignment driving piece 36330 drives the two third alignment pieces 36331 to be close to each other so that the plastic sleeve 882 is vertical;
S4, the second alignment driving member 36310 drives the two second alignment members 36311 away from each other to release the threaded rod 880, and then the third alignment driving member 36330 drives the two third alignment members 36331 away from each other to release the plastic sleeve 882, so that the plastic sleeve 882 falls onto the tray to be assembled to complete the assembly.
The detailed process of S1 is as follows:
during movement of the plastic sleeve 882 along the second feed track 3601:
the plastic sleeve 882 gradually clings to the outer side wall of the second feeding track 3601;
the plastic sleeve 882, either inwardly or outwardly of the first bottom wall 8821, falls off the second feed rail 3601;
during movement of the plastic sleeve 882 along the third feed track 3602:
when the vertically placed plastic sleeve 882 with the first bottom wall 8821 facing upward passes through the first drop location 3607, it drops from the first drop location 3607;
The flat plastic sleeve 882 falls from the second drop location 3608 as it passes through the second drop location 3608.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. An automatic assembly device of a plastic sleeve of a seat tray, wherein the plastic sleeve (882) comprises a first side wall (8820) and a first bottom wall (8821), one end of the first side wall (8820) is connected with the first bottom wall (8821), the other end of the first side wall (8820) forms an opening (8823) of the plastic sleeve (882), and a central hole (8822) is arranged on the first bottom wall (8821); the method is characterized in that;
The automatic assembly device comprises a second rack (30), a second vibration disc (360), a second vibration feeding track (361), a third transfer mechanism (362) and a third assembly mechanism (363);
A fourth assembly plate (320) for preventing the tray to be assembled is arranged on the second rack (30), and the upper surface of the fourth assembly plate (320) is obliquely arranged so that a fourth round hole on a movable seat (81) in the tray to be assembled is vertical; the upper surface of the fourth assembly plate (320) is also fixedly provided with or integrally formed with a fourth installation seat (322) for supporting a threaded rod (880) in the assembly tray;
the second vibration disc (360) and the second vibration feeding track (361) are positioned on one side of the second rack (30), and the second vibration disc (360) is used for conveying the plastic sleeve (882) onto the second vibration feeding track (361) in a state that the first bottom wall (8821) faces downwards;
The third transfer mechanism (362) and the third assembly mechanism (363) are mounted on the second rack (30), the third assembly mechanism (363) comprising a second mounting bracket (3632) and a second alignment assembly (3631) on the second mounting bracket (3632), the second alignment assembly (3631) being for making the threaded rod (880) in the tray to be assembled vertical; the third transfer mechanism (362) transfers the plastic sleeve (882) positioned at the discharge port of the second vibrating rail to the second alignment assembly (3631) and allows the plastic sleeve (882) to be freely sleeved on the threaded rod (880); the second alignment assembly (3631) loosens the threaded rod (880) and drops the plastic sleeve (882) onto the tray to be assembled to complete the assembly of the plastic sleeve (882);
The second alignment assembly (3631) comprises a second alignment driving piece (36310) and two second alignment pieces (36311), wherein the second alignment driving piece (36310) drives the two second alignment pieces (36311) to be close to or far away from each other in the rotation process so as to clamp or unclamp the threaded rod (880);
the opposite side surfaces of the two second alignment members (36311) are provided with a vertical semicircular groove (36312), and when the second alignment driving member (36310) drives the two second alignment members (36311) to be close to each other, the two semicircular grooves (36312) are matched to form a circular hole for enabling the threaded rod (880) to be vertical;
A third alignment assembly (3633) is further provided, the third alignment assembly (3633) being located above the second alignment assembly (3631); wherein the third alignment assembly (3633) is configured to allow the plastic sleeve (882) to be upright when the plastic sleeve (882) is positioned on the second alignment assembly (3631);
The third alignment assembly (3633) comprises a third alignment driving member (36330) and two third alignment members (36331), wherein the third alignment driving member (36330) drives the two third alignment members (36331) to be close to or far away from each other so as to clamp or unclamp the plastic sleeve (882);
the opposite side surfaces of the two third alignment members (36331) are provided with circular arc grooves (36332), and when the third alignment driving members (36330) drive the two third alignment members (36331) to be close to each other, circular holes formed by the two circular arc grooves (36332) in a matching mode enable the plastic sleeve (882) to be vertical.
2. The automatic assembly device of the seat tray plastic sleeve according to claim 1, wherein a second feeding track (3601) and a third feeding track (3602) which are communicated are arranged on the second vibration disc (360), and the third feeding track (3602) is communicated with the second vibration feeding track (361); the second feeding track (3601) spirally rises along the side wall of the first vibration disc;
wherein the width of the bottom wall of the second feed track (3601) is greater than the radius of the second side wall of the plastic sleeve (882) and less than half the height of the plastic sleeve (882), thereby facilitating the inward or outward falling of the plastic sleeve (882) from the second feed track (3601) by the first bottom wall (882);
The third feeding track (3602) is provided with a first falling position (3607) for enabling the first bottom wall (8821) to face upwards and the vertically placed plastic sleeve (882) to fall down and a second falling position (3608) for enabling the horizontally placed plastic sleeve (882) to fall down.
3. The automatic assembly device of a seat tray plastic sleeve according to claim 1, characterized in that the third transfer mechanism (362) comprises a two-dimensional second drive assembly (3621), and a first transfer assembly (3622) mounted on the two-dimensional second drive assembly (3621), the first transfer assembly (3622) comprising a transfer drive (36221) and at least two transfer members (36222), the two-dimensional second drive assembly (3621) driving the at least two transfer members (36222) to extend into the plastic sleeve (882), the transfer drive (36221) driving the at least two transfer members (36222) away from each other to pick up the plastic sleeve (882) and driving the at least two transfer members toward each other to release the plastic sleeve (882); the two-dimensional second driving assembly (3621) drives the first transferring assembly (3622) to move so as to transfer the plastic sleeve (882) positioned at the discharge hole of the second vibrating track onto the second aligning assembly (3631).
4. A device for automatically assembling plastic sleeves for seat trays according to claim 3, characterized in that the opposite faces of the two transfer elements (36222) are each provided with a recess (36223), and when the two transfer elements (36222) are brought close to each other, the two recesses (36223) cooperate to form a channel capable of receiving the threaded rod (880).
5. An automatic assembly method of a plastic cover of a seat tray, characterized in that an automatic assembly device of a plastic cover of a seat tray according to any one of claims 1-4 is adopted, comprising the following specific steps:
s1, a second vibration disc (360) sends a plastic sleeve (882) with a first bottom wall (8821) downwards to a second vibration feeding track (361), and the second vibration feeding track (361) sends the plastic sleeve (882) with the first bottom wall (8821) downwards to a discharge hole of the second vibration feeding track (361);
S2, a second alignment driving piece (36310) drives two second alignment pieces (36311) to be close to each other so that a threaded rod (880) in a tray to be assembled is vertical, and meanwhile, a third transfer mechanism (362) transfers a plastic sleeve (882) positioned at a discharge hole of a second vibration track to a second alignment assembly (3631) and enables the plastic sleeve (882) to be sleeved on the threaded rod (880);
S3, a third alignment driving piece (36330) drives the two third alignment pieces (36331) to be close to each other so that the plastic sleeve (882) is vertical;
S4, the second alignment driving piece (36310) drives the two second alignment pieces (36311) to be far away from each other so as to loosen the threaded rod (880), and then the third alignment driving piece (36330) drives the two third alignment pieces (36331) to be far away from each other so as to loosen the plastic sleeve (882), so that the plastic sleeve (882) falls on a tray to be assembled to complete assembly.
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| CN202111630257.1A CN114227612B (en) | 2021-12-28 | 2021-12-28 | Automatic assembling device and method for plastic sleeve of seat tray |
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| CN202111630257.1A CN114227612B (en) | 2021-12-28 | 2021-12-28 | Automatic assembling device and method for plastic sleeve of seat tray |
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