CN203210564U - Conveying device - Google Patents

Conveying device Download PDF

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Publication number
CN203210564U
CN203210564U CN 201220715858 CN201220715858U CN203210564U CN 203210564 U CN203210564 U CN 203210564U CN 201220715858 CN201220715858 CN 201220715858 CN 201220715858 U CN201220715858 U CN 201220715858U CN 203210564 U CN203210564 U CN 203210564U
Authority
CN
China
Prior art keywords
manipulator
seat
conveying device
pedestal
straightway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220715858
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Chinese (zh)
Inventor
蔡佳翰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA TAIZHOU HUANGYAN MEGA MACHINERY MOULD Co Ltd
Original Assignee
CHINA TAIZHOU HUANGYAN MEGA MACHINERY MOULD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201220534584.7 external-priority
Application filed by CHINA TAIZHOU HUANGYAN MEGA MACHINERY MOULD Co Ltd filed Critical CHINA TAIZHOU HUANGYAN MEGA MACHINERY MOULD Co Ltd
Priority to CN 201220715858 priority Critical patent/CN203210564U/en
Application granted granted Critical
Publication of CN203210564U publication Critical patent/CN203210564U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a conveying device and belongs to the technical field of a plastic processing machine. The conveying device comprises a base, a set of mechanical hands which is mounted on the base and can move in a reciprocated manner along a transmission path, and a driving device for driving the mechanical hands to move in the reciprocated manner. The conveying device is characterized in that each mechanical hand comprises a mechanical hand seat and a clamping part mounted on the mechanical hand seat; the two adjacent mechanical hand seats are connected through a linkage mechanism and at least one movable hinging point is arranged in the middle of the linkage mechanism; the base is provided with a displacement rail by which the movable hinging point can move so that the two adjacent mechanical hands can move relatively; and a connection piece is arranged on the at least one movable hinging point and the movable hinging point is connected with the displacement rail through the connection piece. According to the conveying device disclosed by the utility model, continuous and rapid work of conveying and changing a distance is realized, the operation is simple and the production efficiency is high.

Description

A kind of conveying device
Technical field
The utility model relates to a kind of conveying device, relate in particular to a kind of for the preform of plastic containers in the conveying device that different processing stations transport, belong to technical field of plastic processing machinery.
Background technology
All types of plastic container such as water bottle, bottle for cosmetics, medicine bottle etc. are widely used in fields such as daily life, medicine, chemical industry.Add man-hour, each preform enters from blank inlet, after heater heating, by conveying device it is delivered to and blows the tool moulding in the mould.In order to improve heat utilization efficiency, when heating in heater, preform is arranged in adjacent to each other in the heating drying tunnel as far as possible, when going out drying tunnel, need mechanical or manual spacing with preform to become big, with and multi-cavity mold in distance between mould be consistent, the plastic containers size of the size of distance after by stretch blow determines.This process is usually finished in the course of conveying of preform.Existing conveying device, its manipulator partly are generally perpendicular to the long axis direction setting of conveying device, and its drive unit is generally power drives such as cylinder, and machine takes up space bigger, and the speed of service is slow, control is complicated, accuracy is relatively low.In addition, the part existing apparatus adopts gets embryo separates control with displacement mode, and speed is slow, and efficient is low.
Summary of the invention
One of technical problems such as the utility model is slow for the speed that solves the change spacing that conveying device exists in the prior art, efficient is low, control complexity, a kind of conveying device is provided, realize to carry with change spacing continuously, sharp work, and simple in structure, easy to operate, production efficiency is high.
For this reason, the utility model adopts following technical scheme:
A kind of conveying device, comprise pedestal, be installed on the one group of manipulator that can move back and forth along transmission path on the pedestal, drive the drive unit that described manipulator group moves back and forth, it is characterized in that: described each manipulator comprises manipulator seat and the clamping part that is installed on the manipulator seat, link to each other by link gear between the adjacent two manipulator seats and this link gear middle part has at least one moveable hinge contact, thereby pedestal is provided with and can makes this moveable hinge contact move the displacement track that makes adjacent two manipulator generation relative motions, at least one moveable hinge contact is provided with connector, and the moveable hinge contact is connected with the displacement track by this connector.
Further, described link gear is for being articulated in the connecting rod of adjacent two manipulator seats bottom respectively, and the middle part of described connecting rod is articulated and forms one or two moveable hinge contact, and described connector is the clutch shaft bearing that is arranged at moveable hinge contact place.
Further, described connecting rod is two, and an end of these two connecting rods is connected to two manipulator seats, and the other end is articulated and forms a moveable hinge contact.
Further, described displacement track is arranged at manipulator seat below, comprise first straightway, shifted segments and second straightway successively, first straightway and second straightway be not on same straight line and by the shifted segments transition, and described clutch shaft bearing runs in the displacement track.
Further, described displacement track is the rectilinear orbit that is arranged at manipulator seat below, described clutch shaft bearing runs in this rectilinear orbit, and rectilinear orbit is connected in the motion that also can do on the described pedestal perpendicular to transmission path under the driving of these power set by power set.
As preferably, pedestal is provided with first line slideway, manipulator seat bottom is provided with first slide block, the manipulator seat is slidingly connected by this first slide block and described first line slideway, described drive unit is synchronous band or the synchronization chain by the synchronizing wheel driving that is arranged in the transmission direction, side at the manipulator seat is provided with a push pedal, and an end of this push pedal is connected with first manipulator of manipulator group, and the other end is connected on described synchronous band or the synchronization chain.
As preferably, also comprise and move seat, this upper surface that moves seat has second line slideway, lower surface has second slide block, described manipulator is slidingly connected on this second line slideway by first slide block on the manipulator seat, and mobile seat is slidingly connected to first line slideway on the pedestal by second slide block, and the bottom of mobile seat has opening, described link gear passes this opening and is connected with described displacement track, and mobile seat is connected with described drive unit by a plate.
As preferably, also comprise and move seat, this upper surface that moves seat has second line slideway, lower surface has second slide block, described manipulator is slidingly connected on this second line slideway by first slide block on the manipulator seat, mobile seat is slidingly connected to first line slideway on the pedestal by second slide block, the bottom of mobile seat has opening, described link gear passes this opening and is connected with described displacement track, mobile seat is connected with drive unit by a plate, described displacement track is the rectilinear orbit that is connected in mobile seat below, described clutch shaft bearing runs in this rectilinear orbit, on pedestal, the below of rectilinear orbit is provided with the second displacement track, this second displacement track comprises first straightway successively, shifted segments and second straightway, first straightway and second straightway are provided with second bearing in the bottom of described rectilinear orbit not on same straight line and by the shifted segments transition, this second bearing runs in the described second displacement track.
As preferably, second bearing of described rectilinear orbit bottom is array, has several second displacement tracks at pedestal, and described every group of second bearing runs on respectively in the second displacement track of each correspondence.
As preferably, described second bearing is two groups, one every group, lay respectively at the forward and backward two ends of rectilinear orbit, and have forward and backward two second displacement tracks on the pedestal.
As preferably, has different vertical ranges between first straightway of each second displacement track and second straightway.
As preferably, the clamping part of described manipulator is symmetrically arranged a pair of jig arm, the inside portion, bottom of two jig arm articulates and is fixed on the manipulator seat, the outside portion of bottom respectively is provided with a compression spring, the outside in two jig arm also is respectively arranged with briquetting, pedestal is provided with corresponding depression bar, thereby this depression bar can press down or unclamp described briquetting under external force two jig arm is opened or closure, and the top of two jig arm is respectively arranged with the bottle base folder.
As preferably, the utility model comprises that also one is fixed in the jig arm supporting seat on the manipulator seat, and this jig arm supporting seat has opening upwards, and the bottom of two jig arm is contained in this jig arm supporting seat.
The utlity model has following beneficial effect:
1. be arranged at the below of plastic containers preform operating path by the shift unit that will have change manipulator spacing function, reduced the overall volume of machine, conserve space; When carrying preform, realize the branch distance of bottle embryo.
2. cooperate with shift unit by the link gear that is arranged at manipulator seat bottom, function so that pure mechanical mode realization manipulator spacing changes has changed traditional branch apart from the dynamic mode of device, controls simply, divides distance accurately, branch is fast apart from speed, the production efficiency height.
Description of drawings
Fig. 1, Fig. 2 are the structural representation of the utility model embodiment 1;
Fig. 3 closes up the structural representation of state for the utility model link gear;
Fig. 4 is the structural representation of the utility model link gear open mode;
Fig. 5 is the structural representation of one group of manipulator of the utility model;
Fig. 6 is the structural representation of the utility model manipulator;
Fig. 7 is the cutaway view of the utility model manipulator open mode;
Fig. 8 is the cutaway view of the utility model manipulator closure state;
The structural representation of Fig. 9, Figure 10 the utility model embodiment 3;
Figure 11 is the structural representation of the utility model embodiment 4;
Figure 12 is the structural representation of the utility model embodiment 5;
Figure 13 is the structural representation of the utility model embodiment 6.
The specific embodiment
Below in conjunction with the drawings and specific embodiments structure of the present utility model is further described in detail, part same as the prior art in the utility model will be with reference to prior art.
Embodiment 1:
Shown in Fig. 1-8, a kind of conveying device, comprise pedestal 1, be installed on the one group of manipulator that can move back and forth along transmission path on the pedestal 1, drive the drive unit 2 that described manipulator group moves back and forth, each manipulator 4 comprises manipulator seat 41 and the clamping part 42 that is installed on the manipulator seat 41, link to each other by link gear 3 between the adjacent two manipulator seats 41, as Fig. 3, shown in 4, link gear 3 is two connecting rods 31 and 32, these two connecting rods 31 and an end of 32 are articulated in adjacent two manipulator seats 41 bottoms respectively, the other end is articulated and forms a moveable hinge contact 33, be provided with clutch shaft bearing 34 at these moveable hinge contact 33 places, on pedestal 1, thereby manipulator seat 41 belows are provided with and can make this moveable hinge contact 33 move the displacement track 5 that makes adjacent two manipulator generation relative motions, displacement track 5 comprises first straightway 51 successively, shifted segments 52 and second straightway, 53, the first straightways 51 and second straightway 53 be not on same straight line and by shifted segments 52 transition.Clutch shaft bearing 34 runs in the displacement track 5.
Pedestal 1 is provided with first line slideway 11, the rectilinear orbit that this first rectilinear orbit 11 arranges for pair of parallel, be provided with the first slide block 41a in the bottom of manipulator seat 41, this first slide block 41a is a pair of slide block corresponding with described first rectilinear orbit 11, and manipulator seat 41 is slidingly connected by this first slide block 41a and described first line slideway 11.
Drive unit that described driving device hand group moves back and forth 2 synchronously is with 21 by what synchronizing wheel drove for being arranged in bottle embryo transmission direction, side at manipulator seat 41 is provided with a push pedal 6, one end of this push pedal is connected with first manipulator of manipulator group, and the other end is connected in describedly to be with on 21 synchronously.
Shown in Fig. 5-8, the clamping part 42 of described manipulator is symmetrically arranged a pair of jig arm 42a and 42b, the inside portion, bottom of two jig arm 42a and 42b is articulated, the outside portion of bottom respectively is provided with a compression spring 7, the top of two jig arm 42a and 42b is respectively arranged with bottle base folder 42c and 42d, this is symmetrical arranged bottle embryo folder, is used for the clamping bottle base.The outside at two jig arm 42a and 42b also is respectively arranged with briquetting 42e and 42f, pedestal 1 is provided with corresponding a pair of depression bar 71 and 72, this is connected on the pedestal 1 by a supporting seat 73 depression bar 71,72, be connected with pair of support arms 73a and 73b on this supporting seat 73, depression bar 71,72 is fixedly connected on this on support arm 73a, the 73b, and the forward and backward two ends of each depression bar all are connected with the actuating arm of a cylinder.
On manipulator seat 41, also be provided with a jig arm supporting seat 45, jig arm supporting seat 45 overall U-shaped, has opening upwards, the bottom of two jig arm 42a and 42b is contained in this jig arm supporting seat 45, jig arm supporting seat 45 has a basal part 45a and two upright arm 45b and 45c, have jig arm limited mouth 45d and briquetting hole 45e respectively on two upright arms, described briquetting 42e and 42f pass this hole and are installed on the manipulator jig arm.Described jig arm is fixed on the manipulator seat 41 by this jig arm supporting seat 45.Jig arm supporting seat 45 can carry out spacing at the opening action of two jig arm 42a, 42b.
The course of work of present embodiment is as follows: as shown in Figure 1 and Figure 2, plastic containers preform in the heating drying tunnel, the operation of transport path shown in the arrow in the figure of the effect lower edge of drive unit 2 by one group of manipulator clamping, in order to improve heat utilization efficiency, preform in the heating drying tunnel is arranged in the drying tunnel as far as possible compactly, at this moment, the distance between the manipulator group is reduced to minimum.After heating is finished, be about to enter down manufacturing procedure one, namely in mould, blow the tool moulding; This just need change the distance between preform, and the distance of each die cavity adapts in the big or small general and mould of distance.At this moment, preform enters under the clamping of manipulator in the pedestal 1 superior displacement orbital segment, owing to connect by two connecting rods between the base 41 of each manipulator 4, the middle part of two connecting rods is articulated and forms a moveable hinge contact 33, moveable hinge contact 33 places are provided with clutch shaft bearing 34, clutch shaft bearing 34 runs in the displacement track 5, this moveable hinge contact 33 of shifted segments 52 places at the displacement track is subjected to displacement, because two connecting rods are solid structure, the displacement of moveable hinge contact 33 makes two connecting rods on the adjacent two manipulator seats 41 open, it is big that thereby the distance between two manipulators 4 becomes, and the preform that drives on it is separated.The manipulator group is driven by push pedal 6, moves under the driving of drive unit 2, and preform is opened one by one, and realizes synchronously that in course of conveying spacing changes.
Embodiment 2:
As shown in Figure 8, the difference of present embodiment and embodiment 1 is: described displacement track is the rectilinear orbit 8 that is arranged at manipulator seat 41 belows, rectilinear orbit 8 is connected in the motion that also can do on the described pedestal 1 perpendicular to transmission direction under the driving of cylinder by cylinder, 33 places are provided with clutch shaft bearing 34 at described moveable hinge contact, and this clutch shaft bearing 34 runs in the rectilinear orbit 8.
The difference of the course of work of present embodiment and embodiment 1 is: after heating is finished, when several manipulators (generally determining according to the quantity of die cavity in the mould) clamping preform and is entered rectilinear orbit 8, the cylinder action, spur the described motion that rectilinear orbit 8 is done perpendicular to transmission direction that is positioned at, drive clutch shaft bearing 34 motions in it, connecting rod between several manipulators is opened simultaneously, and a retable material container preform is realized displacement.
Embodiment 3:
The difference of present embodiment and embodiment 1 is: comprise that also moving 9, one groups of manipulators 4 of seat is arranged at this and moves on the seat 9, move seat 9 by this and be connected with drive unit 2.The upper surface of mobile seat 9 has second line slideway 91 that pair of parallel arranges, lower surface has a pair of second slide block 92 corresponding to line slideway with this, described manipulator 4 is slidingly connected on this second line slideway 91 by a pair of first slide block 41a on the manipulator seat 41, mobile seat 9 is slidingly connected on first line slideway 11 on the pedestal by second slide block 92, the bottom of mobile seat 9 has opening, described link gear 3 passes this opening and is connected with described displacement track 5, displacement track 5 comprises first straightway 51 successively, shifted segments 52 and second straightway, 53, the first straightways 51 and second straightway 53 be not on same straight line and by shifted segments 52 transition.Clutch shaft bearing 34 runs in the displacement track 5.Mobile seat 9 is connected with drive unit 2 by a plate 10.One end of connecting plate 10 connects and described the movement on the seat 9, and the other end is connected in drive unit 2 and connects.
The course of work of the course of work of present embodiment and embodiment 1 is basic identical.
Embodiment 4:
The difference of present embodiment and embodiment 3 is:
Below mobile seat 9, be provided with rectilinear orbit 8, the both sides on rectilinear orbit 8 tops have slide block 8a, the two ends of mobile seat 9 bottoms have corresponding guide rail 93, rectilinear orbit 8 can slide along guide rail 93 directions with respect to mobile 9, rectilinear orbit 8 is connected with a cylinder and connects, this cylinder is fixedly connected on mobile seat 9 bottoms, and rectilinear orbit 8 can be done the motion perpendicular to transmission direction under the driving of cylinder.The bottom of mobile seat 9 has opening, and described clutch shaft bearing 34 passes this opening and is connected with described rectilinear orbit 8.
The course of work of the course of work of present embodiment and embodiment 2 is basic identical.
Embodiment 5:
The difference of present embodiment and embodiment 3 is: be provided with rectilinear orbit 8 ' below mobile seat 9, the both sides on rectilinear orbit 8 ' top have slide block 8 ' a, and the two ends of mobile seat 9 bottoms have corresponding guide rail 93.Clutch shaft bearing 34 runs in the rectilinear orbit 8 '.The below of rectilinear orbit 8 ', pedestal 1 are provided with the second displacement track 5 ', this second displacement track 5 ' comprises first straightway, shifted segments and second straightway successively, first straightway and second straightway be not on same straight line and by the shifted segments transition, be provided with second bearing, 8 ' b in the bottom of described rectilinear orbit 8 ', this second bearing 8 ' b runs in the second displacement track 5 '.
The course of work of the course of work of present embodiment and embodiment 1 is basic identical.
Embodiment 6:
The difference of present embodiment and embodiment 5 is: be provided with two second bearing, 8 ' b in the bottom of rectilinear orbit 8 ', these two second bearing, 8 ' b lay respectively at the forward and backward two ends of rectilinear orbit 8 ', having 5 ', two second bearings of forward and backward two second displacement tracks at pedestal 1 runs on respectively in the second corresponding displacement track.
Former and later two second bearings and corresponding two second displacement tracks with it are set, can increase the contact area of rectilinear orbit 8 ' and pedestal 1, thereby make the movement of rectilinear orbit 8 ' on pedestal 1 more steady.
Certainly, the setting of second bearing also can be organized more, every group several.
In addition, can also many second displacement tracks 5 ' be set at pedestal 1, and has the different vertical distance between first straightway of those second displacement tracks 5 ' and second straightway, like this, can be according to the different requirements of manipulator component distance, use supporting second bearing with it is set in the bottom of rectilinear orbit 8 ', realizes the control to manipulator group displacement size.At this moment, only need be reserved the installation position of a plurality of second bearings in the bottom of rectilinear orbit 8 ', install when needing to use to get final product.
Being preferred embodiment of the present utility model only in sum, is not to limit practical range of the present utility model, and all equivalences of doing according to the content of the application's claim change and modify, and all should be technology category of the present utility model.

Claims (13)

1. conveying device, comprise pedestal, be installed on the one group of manipulator that can move back and forth along transmission path on the pedestal, drive the drive unit that described manipulator group moves back and forth, it is characterized in that: described each manipulator comprises manipulator seat and the clamping part that is installed on the manipulator seat, link to each other by link gear between the adjacent two manipulator seats and this link gear middle part has at least one moveable hinge contact, thereby pedestal is provided with and can makes this moveable hinge contact move the displacement track that makes adjacent two manipulator generation relative motions, at least one moveable hinge contact is provided with connector, and the moveable hinge contact is connected with the displacement track by this connector.
2. conveying device according to claim 1, it is characterized in that: described link gear is for being articulated in the connecting rod of adjacent two manipulator seats bottom respectively, the middle part of described connecting rod is articulated and forms one or two moveable hinge contact, and described connector is the clutch shaft bearing that is arranged at moveable hinge contact place.
3. conveying device according to claim 2, it is characterized in that: described connecting rod is two, and an end of these two connecting rods is connected to two manipulator seats, and the other end is articulated and forms a moveable hinge contact.
4. conveying device according to claim 3, it is characterized in that: described displacement track is arranged at manipulator seat below, comprise first straightway, shifted segments and second straightway successively, first straightway and second straightway be not on same straight line and by the shifted segments transition, and described clutch shaft bearing runs in the displacement track.
5. conveying device according to claim 3, it is characterized in that: described displacement track is the rectilinear orbit that is arranged at manipulator seat below, described clutch shaft bearing runs in this rectilinear orbit, and rectilinear orbit is connected in the motion that also can do on the described pedestal perpendicular to transmission path under the driving of these power set by power set.
6. conveying device according to claim 3, it is characterized in that: pedestal is provided with first line slideway, manipulator seat bottom is provided with first slide block, the manipulator seat is slidingly connected by this first slide block and described first line slideway, described drive unit is synchronous band or the synchronization chain by the synchronizing wheel driving that is arranged in the transmission direction, side at the manipulator seat is provided with a push pedal, one end of this push pedal is connected with first manipulator of manipulator group, and the other end is connected on described synchronous band or the synchronization chain.
7. according to the arbitrary described conveying device of claim 4-5, it is characterized in that: also comprise and move seat, this upper surface that moves seat has second line slideway, lower surface has second slide block, described manipulator is slidingly connected on this second line slideway by first slide block on the manipulator seat, mobile seat is slidingly connected to first line slideway on the pedestal by second slide block, the bottom of mobile seat has opening, described link gear passes this opening and is connected with described displacement track, and mobile seat is connected with described drive unit by a plate.
8. according to the arbitrary described conveying device of claim 2-3, it is characterized in that: also comprise and move seat, this upper surface that moves seat has second line slideway, lower surface has second slide block, described manipulator is slidingly connected on this second line slideway by first slide block on the manipulator seat, mobile seat is slidingly connected to first line slideway on the pedestal by second slide block, the bottom of mobile seat has opening, described link gear passes this opening and is connected with described displacement track, mobile seat is connected with drive unit by a plate, described displacement track is the rectilinear orbit that is connected in mobile seat below, described clutch shaft bearing runs in this rectilinear orbit, on pedestal, the below of rectilinear orbit is provided with the second displacement track, this second displacement track comprises first straightway successively, shifted segments and second straightway, first straightway and second straightway be not on same straight line and by the shifted segments transition, be provided with second bearing in the bottom of described rectilinear orbit, this second bearing runs in the described second displacement track.
9. conveying device according to claim 8 is characterized in that: second bearing of described rectilinear orbit bottom is array, has several second displacement tracks at pedestal, and described every group of second bearing runs on respectively in the second displacement track of each correspondence.
10. conveying device according to claim 9, it is characterized in that: described second bearing is two groups, one every group, lay respectively at the forward and backward two ends of rectilinear orbit, have forward and backward two second displacement tracks on the pedestal.
11. conveying device according to claim 9 is characterized in that: have different vertical ranges between first straightway and second straightway of each second displacement track.
12. conveying device according to claim 1, it is characterized in that: the clamping part of described manipulator is symmetrically arranged a pair of jig arm, the inside portion, bottom of two jig arm articulates and is fixed on the manipulator seat, the outside portion of bottom respectively is provided with a compression spring, the outside in two jig arm also is respectively arranged with briquetting, pedestal is provided with corresponding depression bar, thereby this depression bar can press down or unclamp described briquetting under external force opens or closure two jig arm, and the top of two jig arm is respectively arranged with the bottle base folder.
13. conveying device according to claim 11 is characterized in that: comprise that also one is fixed in the jig arm supporting seat on the manipulator seat, this jig arm supporting seat has opening upwards, and the bottom of two jig arm is contained in this jig arm supporting seat.
CN 201220715858 2012-10-18 2012-12-21 Conveying device Expired - Fee Related CN203210564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220715858 CN203210564U (en) 2012-10-18 2012-12-21 Conveying device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201220534584.7 2012-10-18
CN201220534584 2012-10-18
CN 201220715858 CN203210564U (en) 2012-10-18 2012-12-21 Conveying device

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CN 201220716035 Expired - Lifetime CN203062990U (en) 2012-10-18 2012-12-21 Feeding mechanical arm

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CN106426231A (en) * 2016-09-30 2017-02-22 浙江大学常州工业技术研究院 Gripper for gripping material-taking structure
CN109177085B (en) * 2018-10-26 2021-06-01 福建晋江浔兴拉链科技有限公司 Pulling-on piece and material bone breaking and separating device
CN113357552A (en) * 2021-07-05 2021-09-07 广东技术师范大学 Gardens building landscape lamp convenient to change

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Publication number Priority date Publication date Assignee Title
WO2018145514A1 (en) * 2017-02-13 2018-08-16 中山市合赢智能装备有限公司 Hot roll forming machine for 3d glass

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