CN115072074A - Multi-aperture container holder with constant holding center - Google Patents
Multi-aperture container holder with constant holding center Download PDFInfo
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- CN115072074A CN115072074A CN202211006498.3A CN202211006498A CN115072074A CN 115072074 A CN115072074 A CN 115072074A CN 202211006498 A CN202211006498 A CN 202211006498A CN 115072074 A CN115072074 A CN 115072074A
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- pair
- guide groove
- center
- container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/003—Arrangements to enable adjustments related to the packaging material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/24—Devices for supporting or handling bottles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a multi-caliber container gripper with a constant gripping center, which comprises: the clamping pieces are arranged on the base, a gap is formed between the outer end parts of the head parts of the clamping pieces, a clamping part is arranged on the inner side of the head part of each clamping piece, and a stop part is arranged at the front end of a sliding rod on the base below the clamping pieces; the clamping guide groove wall can drive the slide bar to move close to the clamping parts when the clamping parts are closed, and the shape of the clamping guide groove wall ensures that when the clamping parts on the clamping guide groove wall move on the outer wall of the clamping shaft, a pair of clamping parts and the blocking part form a clamping opening taking the clamping center as the circle center and the position of the clamping center is constant. The invention has the advantages that: the compatibility is good, the universality is high, and the smoothness is good.
Description
Technical Field
The invention relates to the technical field of filling production equipment, in particular to a container clamping device for grabbing a container.
Background
The structure of the conventional vessel clamping device includes: the clamping piece is hinged to the base respectively, the two sides of the hinged position of each clamping piece and the base are respectively divided into a clamping piece head and a clamping piece body, an opening for the container to enter or break away from is formed between the outer end portions of the clamping piece heads, the inner side of each clamping piece head is provided with a clamping portion used for clamping the opening portion of the container, a spring is arranged between the clamping pieces, and the clamping portions of the clamping pieces always have the tendency of being close to each other to clamp the container under the action of the spring.
The increasing market demand has led to increasingly different product differentiation and different sizes of containers. When the whole blowing, filling and rotating equipment is used for switching products of different models, all container clamping devices used for clamping the opening part of a container on the whole blowing, filling and rotating equipment need to be replaced, and the clamping center of the container clamping devices after replacement is ensured to be unchanged, so that the container handover position is ensured to be kept unchanged. The container clamping devices of the whole blowing, filling and rotating equipment are multiple and complex in structure, so that the container clamping devices are detached, installed and debugged, time and labor are wasted, the shutdown time is long, production is influenced, the container clamping devices are very inconvenient, and the filling and production cost is also increased.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the multi-caliber container holder with the constant holding center is suitable for holding containers with different calibers, and the smoothness of the opening of the container entering the container holder is greatly improved.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a multi-aperture container holder of constant holding center comprising: the clamping piece comprises a pair of clamping pieces, a clamping piece head and a clamping piece body are respectively hinged to the two sides of the hinged position of each clamping piece and the base, a notch for a container to enter or separate is formed between the outer end parts of the clamping piece heads, a clamping part for clamping the opening of the container is arranged on the inner side of the head part of each clamping piece, a sliding rod is further arranged on the base below the clamping pieces, a stop block is arranged at the front end of the sliding rod, a leaning part is arranged on the stop block, and the stop block is positioned between the clamping piece heads; the slide bar is provided with a blocking shaft, each clamping piece body is provided with a guide groove, the guide grooves of the two clamping pieces are overlapped up and down on the blocking shaft, two ends of each guide groove are limit ends, the blocking shaft can move between the two limit ends of the guide grooves relative to the pair of guide grooves, one side groove wall between the two limit ends of each guide groove is a clamping guide groove wall, each clamping guide groove wall is positioned at one side between the pair of limit ends far away from the blocking part, a first elastic part which enables the head parts of the pair of clamping pieces to rotate inwards around the corresponding hinging position center so that the pair of clamping parts always have the tendency of mutual folding is arranged between the two clamping pieces, when the head parts of the pair of clamping pieces rotate inwards around the corresponding hinging position center under the elastic action of the first elastic part so that the pair of clamping parts are mutually folded, the clamping guide groove walls can drive the blocking shaft to enable the slide bar to move towards the direction close to the clamping parts, the shape of the clamping guide groove wall ensures that when the pair of clamping guide groove walls are blocked on the outer wall of the blocking shaft to move, a clamping opening which takes the clamping center as the circle center and can clamp the opening part of the container can be formed by the pair of clamping parts and the blocking part, and the shape of the clamping guide groove wall ensures that the caliber of the clamping opening changes and the position of the clamping center keeps constant when the blocking action of the clamping guide groove walls on the outer wall of the blocking shaft moves; when the clamping guide groove wall blocks act on the outer wall of the blocking shaft to move so that the pair of clamping parts are mutually folded to the minimum position, the pair of clamping parts and the blocking part are in the initial position state of the clamping opening with the minimum caliber; the base is also provided with a guide mechanism for guiding the sliding rod to move horizontally along the linear direction of the blocking shaft and the clamping center.
Further, in the multi-aperture container holder with a constant holding center, the other side of the groove wall between the two limiting ends of each guide groove is a free guide groove wall, each free guide groove wall is positioned at one side between the two limiting ends and close to the blocking part, and in the initial position state, when the mouth part of the container extrudes the head parts of the pair of clamping pieces from the notch to enter between the holding parts of the pair of clamping pieces without contacting with the blocking part, the holding parts of the pair of clamping pieces rotate outwards around the centers of the corresponding hinged positions and are opened, and the shape of the free guide groove wall can ensure that no interference exists between the blocking shaft and the pair of guide grooves in the process.
Further, in the multi-aperture container holder with a constant holding center, a second elastic component is arranged between the slide rod and the base or between the slide rod and a part fixedly arranged on the base, and the second elastic component can enable the blocking shaft on the slide rod to be always blocked against the holding guide groove wall of at least one guide groove.
Further, in the multi-aperture container holder having a constant holding center, the second elastic member is a tension spring.
Further, in the multi-aperture container holder with a constant holding center, the two clamping pieces are respectively a first clamping piece and a second clamping piece, the guide grooves on the two clamping pieces are respectively a first guide groove and a second guide groove, the other side groove wall between the two limiting ends of the first guide groove is a free guide groove wall, and the other side groove wall of the second guide groove is an opening limiting groove wall; the free guide groove wall and the opening limit groove wall are both positioned on one side of the blocking shaft close to the blocking part; when the pair of clamping parts and the blocking part are in the initial position state, when the opening of the container extrudes the gap between the clamping parts of the pair of clamping pieces and the gap is not in contact with the blocking part, the clamping part of the first clamping piece rotates outwards around the corresponding hinged position and opens, the shape of the free guide groove wall ensures that no interference exists between the blocking shaft and the first guide groove in the process, the blocking shaft is blocked in the second guide groove of the second clamping piece, and when the clamping part of the second clamping piece opens outwards around the center of the corresponding hinged position, the opening limit groove wall drives the blocking shaft to drive the sliding rod to move towards the direction far away from the clamping part.
Further, in the multi-aperture container clamping apparatus having a constant clamping center, the first elastic member is a compression spring, and the compression spring is disposed between the pair of clip bodies.
Further, the multi-aperture container holder with a constant holding center is provided, wherein the guiding mechanism comprises: the sliding groove is formed in the base, the sliding groove is formed in the linear direction of the clamping shaft and the clamping center, a sliding block is arranged at the bottom of the sliding rod, and the sliding block is clamped in the sliding groove.
Further, the aforementioned multi-aperture container gripper with constant gripping center, wherein the hinge structure between each jaw and the base comprises: be provided with the round pin axle on the base, the round pin axle has set gradually by supreme down and has supported cover, bearing, backing plate, has seted up the mounting hole on the clamping piece, and the clamping piece passes through the mounting hole to be installed on the bearing outer lane.
Further, the aforesaid holder for holding a multi-aperture container with a constant holding center, wherein the structure of the pin shaft comprises: the stud is blocked at the bottom of the base and upwards penetrates through the base, a columnar nut is connected to the stud through a bolt, and the support sleeve, the bearing and the base plate are sequentially sleeved on the columnar body of the columnar nut from bottom to top.
Further, in the multi-aperture container holder with a constant holding center, the top of the stopper protrudes upwards from the slide rod, a pair of stopper rests are arranged on the stopper and are arranged at intervals up and down, the distance between the stopper rests arranged at intervals up and down is consistent with the thickness of the support ring at the opening of the container, the outer wall of each stopper on one side of the holding opening is a stopper rest part, and the stopper rest part is in an arc shape which is recessed inwards. The distance between the two stop blocks arranged at intervals up and down is determined by the thickness of the supporting ring of the opening part of the container.
The invention has the advantages that: the clamping guide groove walls are arranged on the clamping pieces, so that the containers with different calibers can be clamped on the premise of keeping the clamping center position constant in the closing process of the clamping parts, the container clamping device is prevented from being frequently replaced, and the production cost is effectively saved. The clamping piece clamping device is simple in structure and convenient to install, the installation height of the clamping piece can be adjusted by replacing the support sleeves with different heights, the clamping height of the clamping piece is also adjusted, and the purpose that the clamping pieces are matched in a vertically staggered mode when two container clamping devices in two adjacently arranged rotary motion devices are used for mutually transferring containers is achieved, so that the compatibility is good, and the universality of parts is high. Thirdly, through setting up the free guide cell wall with one side cell wall of the guide way of a clamping piece or setting up the same one side cell wall of the guide way of two clamping pieces into the free guide cell wall for when the container is about to get into between a pair of clamping parts, two clamping pieces can be according to the container oral area effect and open of asynchronization, and this has improved the smooth and easy degree that the container got into between a pair of clamping parts greatly, thereby has improved the transmission stability and the reliability of container greatly, also can effectively improve filling production efficiency.
Drawings
FIG. 1 is a schematic view showing a structure of a multi-caliber container holder having a constant holding center as described in example 1.
FIG. 2 is a schematic perspective view of a multi-aperture container holder having a constant holding center as described in example 1.
Fig. 3 is a schematic view of the hinge connection structure between the clip and the base of the multi-aperture container gripper with a constant gripping center according to the present invention.
FIG. 4 is a schematic view showing the structure of a multi-caliber container holder having a constant holding center as described in example 2.
FIG. 5 is a schematic perspective view of a multi-aperture container holder having a constant holding center as described in example 2.
Detailed Description
The invention is described in further detail below with reference to the figures and preferred embodiments.
Example 1: as shown in fig. 1, 2 and 3, a multi-aperture container gripper having a constant gripping center includes: a pair of clamping pieces 2 respectively hinged on the base 1, in this embodiment, the hinge structure between each clamping piece 2 and the base 1 includes: the base 1 is provided with a pin shaft 7, the pin shaft 7 is sequentially provided with a support sleeve 701, a bearing 702 and a base plate 703 from bottom to top, a mounting hole is formed in the clamping piece 2, and the clamping piece 2 is mounted on an outer ring of the bearing 702 through the mounting hole. The backing plate 703 is made of wear-resistant material. The structure of the pin shaft 7 comprises: the stud 71 is blocked at the bottom of the base 1 and penetrates through the base 1 upwards, the stud 71 is connected with the columnar nut 72 through a bolt, and the support sleeve 701, the bearing 702 and the base plate 703 are sequentially sleeved on the columnar body 721 of the columnar nut 72 from bottom to top. Adopt above-mentioned hinge connection structure between every clamping piece 2 and the base 1, its aim at: the installation is convenient, and simultaneously the installation height of the clamping piece 2 can be adjusted by replacing the support sleeve 701 with different heights, namely the clamping height of the clamping piece 2 is also adjusted, so that the purpose that the clamping pieces are vertically matched in a staggered manner when the containers are mutually transferred by two container clamping devices in two adjacently arranged rotary motion devices is realized. The rotary motion device includes: rotary filler, rotary conveyor, etc.
Two sides of the hinged position of each clamping piece 2 and the base 1 are respectively a clamping piece head part 21 and a clamping piece body 22, and a gap 20 for the container to enter or separate is formed between the outer end parts of the pair of clamping piece head parts 21. The inside of each clip head 21 is provided with a grip portion 211 for gripping the mouth of the container. A slide bar 3 is arranged on the base 1 below the pair of clamping pieces 2, a stop 31 is arranged at the front end of the slide bar 3, a stop part 311 is arranged on the stop 31, and the stop 31 is positioned between the pair of clamping piece heads 21. In this embodiment, the top of the stopper 31 protrudes upward from the sliding rod 3, a pair of abutting stoppers 301 are disposed at the end of the stopper 31, the abutting stoppers 301 are spaced up and down, an abutting portion 311 is formed on the outer wall of each abutting stopper 301 on the side close to the clamping portion 211, and the abutting portion 311 is in an arc shape recessed inward.
The slide bar 3 is provided with a blocking shaft 32, each clamping piece body 22 is provided with a guide groove 4, and the guide grooves 4 of the two clamping pieces 2 are overlapped on the blocking shaft 32 up and down. The two ends of each guide groove 4 are limiting ends, and the two limiting ends of the two guide grooves are respectively an opening limiting end 41 for limiting the maximum opening position of the pair of clamping parts 211 and a closing limiting end 42 for limiting the minimum closing position of the pair of clamping parts 211. The stopper shaft 32 can move between both limit ends of the pair of guide grooves 4 with respect to the pair of guide grooves 4.
A groove wall on one side between the two limit ends of each guide groove 4 is a clamping guide groove wall 43, and each clamping guide groove wall 43 is located on one side, which is far away from the stop part 311, between the two limit ends. A first elastic component is arranged between the two clips 2, which makes the pair of clip heads 21 always have the tendency of turning inwards around the corresponding pin 7, so that the pair of clamping parts 211 always have the tendency of folding each other, in this embodiment, the first elastic component is a compression spring 5, and the compression spring 5 is arranged between the pair of clip bodies 22.
When the pair of jaw head portions 21 are rotated about the corresponding hinge position center, specifically, inwardly rotated about the corresponding pin 7 by the elastic force of the compression spring 5 to close the pair of holding portions 211, the holding guide groove wall 43 drives the catch shaft 32 to move the slide bar 3 toward the holding portions 211. The shape of the holding guide groove wall 43 ensures that when the pair of holding guide groove walls 43 are engaged with the outer wall of the engaging shaft 32 to move, the pair of holding portions 211 and the engaging portion 311 form a holding opening 10 which is centered around the holding center and can hold the opening of the container, and the shape of the holding guide groove wall 41 ensures that when the holding guide groove wall 41 is engaged with the outer wall of the engaging shaft 32 to move, the diameter of the holding opening changes and the position of the holding center 101 is constant. When the pair of holding guide groove walls 43 are moved by the engaging action on the outer wall of the engaging shaft 32 so that the pair of holding portions 211 are mutually closed to the minimum position, the pair of holding portions 211 and the abutting portion 311 are in the initial position state where the holding opening 10 having the smallest diameter is formed. In the filling industry, the constant position of the clamping center 101 means that: the radial and circumferential position of the gripping center 101 with respect to the center of rotation of the rotary motion device in which the container gripper is located remains unchanged.
In this embodiment, the other side groove wall between the two limiting ends of each guide groove 4 is a free guide groove wall 44, and each free guide groove wall 44 is located on one side of the guide groove 4 between the two limiting ends, which is close to the stopper 311. In the initial position, when the container mouth portion is pressed from the slit 20 to enter between the clamping portions 211 of the pair of clamping pieces 2 without contacting with the locking portion 311, the clamping portions 211 of the pair of clamping pieces 2 are opened by rotating outwards around the corresponding pin 7, and the shape of the free guide groove wall 44 can ensure that no interference exists between the locking shaft 32 and the pair of guide grooves 4 in the process.
In order to reduce the impact between the clip 2 and the guide groove 4, improve the stability of the container holder, and reduce the noise during the rotation motion, in this embodiment, a second elastic member is disposed between the sliding rod 3 and the base 1 or between the sliding rod 3 and a component fixedly disposed on the base 1, and the second elastic member enables the blocking shaft 32 on the sliding rod 3 to elastically block against the holding guide groove wall 43 of at least one guide groove 4 all the time. The second elastic component in this embodiment is a tension spring 6. As shown in fig. 1 and 2, two ends of the tension spring 6 are respectively connected to the slide rod 3 and the tension spring seat 61, and the tension spring seat 61 is fixedly disposed on the top of the backing plate 703.
The base 1 is further provided with a guide mechanism for guiding the sliding rod 3 to move horizontally along the direction of the straight line 100 of the blocking shaft 32 and the clamping center 101. Specifically, the structure of the guide mechanism includes: the sliding groove 11 is arranged on the base 1, the sliding groove 11 is arranged along the direction of a straight line 100 where the blocking shaft 32 and the clamping center 101 are located, a sliding block 33 is arranged at the bottom of the sliding rod 3, and the sliding block 33 is blocked in the sliding groove 11.
The working principle is as follows: the rotary motion device includes: rotary filler, rotary conveyor, etc.
In the high-speed rotary filling production process, containers are conveyed from one rotary motion device to another rotary motion device, such as: from one carousel arranged next to the other, or one carousel to a rotary filler, etc. The container is transferred in the process of rotating, so that the container cannot be guaranteed to be always directly opposite to the pair of clamping parts 211 and conveyed into the clamping opening 10 of the container clamping device, and normally, the container can extrude the clamping piece head part 21 on one side along the rotating running direction, so that the two clamping piece head parts 21 are unsynchronized in outward opening and rotating, and the conditions that the resistance is increased and the container is unsmooth in transferring are caused. The multi-aperture container gripper with the constant gripping center according to the embodiment can grip a multi-aperture container, ensure that the gripping center 101 is always kept at a constant position, and well overcome the defects of large handover resistance and unsmooth handover during handover.
The specific working process is as follows: before the transfer, the pair of the gripping portions 211 and the abutment portion 311 of the container gripper are in the initial position state of the gripping opening 10 having the smallest diameter. When the container transfers, the container mouth part extrudes a pair of clamping piece head parts 21 from the notch 20, especially the clamping piece head part 21 on one side of the container rotation running direction can be extruded, the pair of clamping piece head parts 21 can outwards open around the corresponding pin shaft 7, so that the pair of clamping parts 211 are gradually far away from the container mouth part, because the two guide grooves 4 are provided with the free guide groove walls 44, the container mouth part starts to enter the process between the pair of clamping parts 211, the blocking shaft 32 and the pair of guide grooves 4 do not have interference, so that the two clamping piece head parts 21 can asynchronously rotate around the corresponding pin shaft 7, and the smoothness of the container mouth part entering the pair of clamping parts 21 is greatly improved. When the mouth of the container completely enters between the pair of clamping portions 211 through the notch 20 and contacts and abuts against the abutting portion 311, under the action of the compression spring 5, the pair of clamping piece head portions 21 rotate inwards around the corresponding pin shafts 7 to enable the pair of clamping portions 211 to be folded, the pair of clamping guide groove walls 43 are clamped and act on the outer wall of the clamping shaft 32 to enable the sliding rod 3 to move towards the direction close to the clamping portions 211, in the process, the pair of clamping portions 211 and the abutting portion 311 form the clamping opening 10 with the clamping center 101 as the center of circle to clamp the mouth of the container, the shape of the clamping guide groove walls 43 ensures that the clamping guide groove walls 43 are clamped and act on the outer wall of the clamping shaft 32, the caliber of the clamping opening 10 changes, and the position of the clamping center 101 is always constant.
The multi-caliber container holder with the constant holding center can hold containers with different calibers and can ensure the constant position of the holding center 101 with different calibers, so the container holder with the structure has good universality, is suitable for containers with various different calibers, and solves the problem that a filling production line frequently changes different corresponding container holders for the calibers of the containers. In addition, the free guide groove wall 44 of the guide groove is arranged, so that when the opening part of the container enters between the pair of clamping parts through the notch 20, the blocking shaft 32 and the guide groove are not interfered, the pair of clamping piece head parts 21 can be opened asynchronously according to the action of the opening part of the container, the resistance of the container entering into the clamping part 10 is greatly reduced, the smoothness of the container entering between the pair of clamping parts is greatly improved, and the transmission stability and reliability of the container are greatly improved.
Example 2: as shown in fig. 4 and 5, the present embodiment is different from embodiment 1 in that: two clamping pieces, the two side cell walls between two spacing ends of the guide way of one of the clamping pieces are respectively a clamping guide cell wall and a free guide cell wall, the two side cell walls between two spacing ends of the guide way of the other clamping piece are respectively a clamping guide cell wall and an opening spacing cell wall, namely, the guide way of one clamping piece is the same as the guide way on the clamping piece in the embodiment 1, the structure of the guide way on the other clamping piece is changed to a certain extent, and a second elastic part is not arranged between the slide bar 3 and the base 1 or between parts fixedly arranged on the base 1.
The parts in the following description that are the same as those in embodiment 1 are numbered as in embodiment 1, and the operation principle is the same as that in embodiment 1. For the sake of brevity of language, the same structural parts as those in embodiment 1 will be briefly described or will not be described, and the same structural parts may be referred to the description in embodiment 1 directly.
For better illustration of the difference, the two jaws are divided into a first jaw 82 and a second jaw 92 in this embodiment. The guide grooves on the first clamping piece 82 are respectively a first guide groove 84, the guide groove on the second clamping piece 92 is a second guide groove 94, and the groove walls on two sides between two limiting ends of the first guide groove 84 are respectively a first clamping guide groove wall 843 and a free guide groove wall 844; the two side walls of the second guide groove 94 are a second clamping guide groove wall 943 and an opening limiting groove wall 944. The first clamping guide groove wall 843 and the second clamping guide groove wall 943 are located on a side of each guide groove between the two position-restricting ends thereof which is away from the stopper 311, and the free guide groove wall 844 and the opening stopper groove wall 944 are located on a side of each guide groove between the two position-restricting ends thereof which is close to the stopper 311. The shape, function, and function of the first and second clamp guide groove walls 843, 943 are the same as those of embodiment 1, which is simply renumbered.
When the pair of clamping portions 211 and the stopping portion 311 are in the initial position state, when the container mouth portion presses the notches 20 of the pair of jaws into between the clamping portions of the pair of jaws without contacting with the stopping portion 311, the clamping portion 211 of the first jaw 82 rotates outwards around the center of the corresponding hinge position and opens, the shape of the free guide groove wall 844 ensures that no interference exists between the blocking shaft 32 and the first guide groove 84 in the process, the blocking shaft 32 is blocked in the second guide groove 94 of the second jaw 92, and when the clamping portion 211 of the second jaw 92 opens outwards around the corresponding hinge position, the opening limit groove wall 944 drives the blocking shaft 32 to move the slide rod 3 in the direction away from the clamping portion 211.
In operation, the mounting of the container holder described in this embodiment requires ensuring that: at the container transfer position, the clip head of the second clip 92 and the clip head of the first clip 82 of the container holder for receiving the container are arranged in this order along the container revolving travel direction, and this arrangement is intended to enable the container mouth to be first pressed against the clip head of the first clip 82 during the revolving transfer. Due to the arrangement of the free guide groove wall 844 of the first guide groove 84 of the first clip 82, when the container mouth portion presses the clip head portion into between the pair of clamping portions through the notch 20, the clip head portion of the first clip 82 is more easily rotated and opened outwards relative to the clip head portion of the second clip 92. Therefore, during the transferring process of the container, the container mouth portion is firstly pressed to the clip head portion of the first clip 82 along the rotation direction of the container, and the clip head portion of the first clip 82 is rotated and opened outwards, so that the container mouth portion can smoothly enter between the pair of clamping portions 211. The arrangement of the open limiting groove wall 944 of the second guiding groove 94 of the second clip 92 has a limiting effect on the blocking shaft 32, so that when the mouth of the container enters between the pair of clamping portions 211, the impact between the blocking shaft 32 and the sliding rod 3 is relatively reduced, which not only can effectively prolong the service life of the container holder, but also can greatly reduce the noise in the process of rotary motion, and can effectively improve the stability of the container in the process of transferring and clamping. After the mouth of the container enters the pair of clamping portions 211 through the notch 20 and contacts and is stopped on the stopping portion 311, under the action of the compression spring 5, the pair of clamping piece heads 21 rotate inwards around the corresponding pin 7 to close the pair of clamping portions 211, the first clamping guide groove wall 843 and the second clamping guide groove wall 943 act on the outer wall of the stopping shaft 32 to drive the sliding rod 3 to move towards the direction close to the clamping portions 211, and in the process, the pair of clamping portions 211 and the stopping portion 311 form the clamping opening 10 with the clamping center 101 at a constant position as the center of a circle to clamp the mouth of the container.
This embodiment provides a way for a single clip to open more easily so that the container can enter smoothly between a pair of gripping portions. In the actual production process, the container holders adopting the structures described in the different embodiments can be selected according to actual needs.
The embodiment can obtain the advantages that the multi-caliber container clamp with the constant clamping center has the following: the clamping guide groove walls are arranged on the clamping pieces, so that the containers with different calibers can be clamped on the premise of keeping the clamping center position constant in the closing process of the clamping parts, the container clamping device is prevented from being frequently replaced, and the production cost is effectively saved. The clamping piece clamping device is simple in structure and convenient to install, the adjustment of the installation height of the clamping piece can be realized by replacing the support sleeves with different heights, the clamping height of the clamping piece is also adjusted, the purpose that the clamping pieces are matched in a vertically staggered mode when the containers are mutually transferred by two container clamping devices in two adjacently arranged rotary motion devices is realized, the universality is good, and the equipment cost of the whole filling production line is effectively saved. Thirdly, set up the free guide cell wall or set the guide way of two clamping pieces with one side cell wall of the guide way of a clamping piece into the free guide cell wall through the guide way for when the container is about to get into between a pair of clamping part, two clamping pieces can be according to the container oral area effect and open of asynchronism, and this has reduced the resistance that the container got into to the clamping part greatly, has improved the smooth and easy degree that the container got into between a pair of clamping part, thereby has improved the transmission stability and the reliability of container greatly. The multi-aperture container gripper with the constant gripping center can be used as an active container gripper and can also be used as a passive container gripper.
Claims (10)
1. A multi-aperture container holder of constant holding center comprising: a pair of clamping piece of hinged joint on the base respectively, every clamping piece is clamping piece head and clamping piece body respectively with the both sides of base articulated position, forms the opening that supplies the container to get into or break away from between the outer tip of a pair of clamping piece head, and the inboard of every clamping piece head all is provided with the clamping part that is used for centre gripping container oral area, its characterized in that: a slide bar is arranged on the base below the pair of clamping pieces, a stop block is arranged at the front end of the slide bar, a stop part is arranged on the stop block, and the stop block is positioned between the heads of the pair of clamping pieces; the slide bar is provided with a blocking shaft, each clamping piece body is provided with a guide groove, the guide grooves of the two clamping pieces are overlapped up and down on the blocking shaft, two ends of each guide groove are limit ends, the blocking shaft can move between the two limit ends of the guide grooves relative to the pair of guide grooves, one side groove wall between the two limit ends of each guide groove is a clamping guide groove wall, each clamping guide groove wall is positioned at one side between the pair of limit ends far away from the blocking part, a first elastic part which enables the head parts of the pair of clamping pieces to rotate inwards around the corresponding hinging position center so that the pair of clamping parts always have the tendency of mutual folding is arranged between the two clamping pieces, when the head parts of the pair of clamping pieces rotate inwards around the corresponding hinging position center under the elastic action of the first elastic part so that the pair of clamping parts are mutually folded, the clamping guide groove walls can drive the blocking shaft to enable the slide bar to move towards the direction close to the clamping parts, the shape of the clamping guide groove wall ensures that when the pair of clamping guide groove walls are blocked on the outer wall of the blocking shaft to move, a clamping opening which takes the clamping center as the circle center and can clamp the opening part of the container can be formed by the pair of clamping parts and the blocking part, and the shape of the clamping guide groove wall ensures that the caliber of the clamping opening changes and the position of the clamping center keeps constant when the blocking action of the clamping guide groove walls on the outer wall of the blocking shaft moves; when the clamping guide groove wall blocking action moves on the outer wall of the blocking shaft to enable the pair of clamping parts to be mutually folded to the minimum position, the pair of clamping parts and the blocking part are in the initial position state of the clamping opening with the minimum caliber; the base is also provided with a guide mechanism for guiding the sliding rod to move horizontally along the linear direction of the blocking shaft and the clamping center.
2. A multi-aperture container holder of claim 1 wherein said holding center is constant, said holding center comprising: the other side cell wall between two spacing ends of every guide way all is the free guide cell wall, and every free guide cell wall all is located one side that is close to the backstop portion between a pair of spacing end, and under initial position state, when the container mouth part begins to get into between the clamping part of a pair of clamping piece and the in-process that does not contact with the backstop portion from the opening extrusion a pair of clamping piece head, the clamping part of a pair of clamping piece rotates outwards around corresponding articulated position center and opens, and free guide cell wall's shape then can ensure that there is not interference between this in-process backstop axle and a pair of guide way.
3. A multi-aperture container holder of constant holding center as claimed in claim 2, wherein: and a second elastic part is arranged between the sliding rod and the base or between the sliding rod and a part fixedly arranged on the base, and the second elastic part can enable the blocking shaft on the sliding rod to be always blocked against the clamping guide groove wall of at least one guide groove.
4. A multi-aperture container holder of constant holding center as claimed in claim 3, wherein: the second elastic component is a tension spring.
5. A multi-aperture container holder of claim 1 wherein said holding center is constant, said holding center comprising: the two clamping pieces are respectively a first clamping piece and a second clamping piece, the guide grooves on the two clamping pieces are respectively a first guide groove and a second guide groove, the other side groove wall between the two limiting ends of the first guide groove is a free guide groove wall, and the other side groove wall of the second guide groove is an opening limiting groove wall; the free guide groove wall and the opening limit groove wall are both positioned on one side of the blocking shaft close to the blocking part; when the pair of clamping parts and the blocking part are in the initial position state, when the opening of the container extrudes the gap between the clamping parts of the pair of clamping pieces and the gap is not in contact with the blocking part, the clamping part of the first clamping piece rotates outwards around the center of the corresponding hinged position and is opened, the shape of the free guide groove wall ensures that no interference exists between the blocking shaft and the first guide groove in the process, the blocking shaft is blocked in the second guide groove of the second clamping piece, and when the clamping part of the second clamping piece opens outwards around the corresponding hinged position, the opening limit groove wall drives the blocking shaft to drive the sliding rod to move towards the direction far away from the clamping part.
6. A multi-aperture container gripper of any one of claims 1 to 5 with a constant gripping center, wherein: the first elastic component is a compression spring which is arranged between the pair of clamping piece bodies.
7. A multi-aperture container gripper of any one of claims 1 to 5 with a constant gripping center, wherein: the structure of the guide mechanism comprises: the sliding groove is formed in the base, the sliding groove is formed in the linear direction of the clamping shaft and the clamping center, a sliding block is arranged at the bottom of the sliding rod, and the sliding block is clamped in the sliding groove.
8. A multi-aperture container gripper of any one of claims 1 to 5 with a constant gripping center, wherein: the hinge connection structure between each clip piece and the base comprises: be provided with the round pin axle on the base, the round pin axle has set gradually by supreme down and has supported cover, bearing, backing plate, has seted up the mounting hole on the clamping piece, and the clamping piece passes through the mounting hole to be installed on the bearing outer lane.
9. A multi-aperture container holder of constant holding center as claimed in claim 8, wherein: the structure of round pin axle include: the stud is blocked at the bottom of the base and upwards penetrates through the base, a columnar nut is connected to the stud through a bolt, and the support sleeve, the bearing and the base plate are sequentially sleeved on the columnar body of the columnar nut from bottom to top.
10. A multi-aperture container gripper of any one of claims 1 to 5 with a constant gripping center, wherein: the top of the stop dog protrudes out of the slide bar upwards, a pair of stop dogs are arranged on the stop dog and are arranged at intervals up and down by the stop dog, the distance between the stop dogs which are arranged at intervals up and down is consistent with the thickness of the support ring of the opening part of the container, and the outer wall of each stop dog, which is positioned on one side of the clamping opening, is a stop part which is in an arc shape and is sunken inwards.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211006498.3A CN115072074B (en) | 2022-08-22 | 2022-08-22 | Multi-aperture container holder with constant holding center |
| PCT/CN2023/114194 WO2024041513A1 (en) | 2022-08-22 | 2023-08-22 | Clamping piece linkage mechanism and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211006498.3A CN115072074B (en) | 2022-08-22 | 2022-08-22 | Multi-aperture container holder with constant holding center |
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| CN115072074B CN115072074B (en) | 2022-11-18 |
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| CN117445365A (en) * | 2023-12-25 | 2024-01-26 | 江苏新美星包装机械股份有限公司 | Assembling quick-dismantling container clamping device |
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|---|---|
| CN115072074B (en) | 2022-11-18 |
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