CN201268656Y - Glass pipe fixture of PL lamp tube forming machine - Google Patents

Abstract

The utility model relates to a fixture of electric light source equipment, and aims at providing the fixture which can hold a glass tube, can lead two glass tubes to oppositely move according to the demands, and has the characteristics of stable and reliable holding and fixation, accurate movement control, and simple and practical structure. The fixture comprises two glass tube holding mechanisms and a switching mechanism driving the two glass tube holding mechanisms to mutually approach and separate, wherein each glass tube holding mechanism comprises a gear pressure plate matching with a V-shaped groove for holding the vertical glass tube, and a rack pull rod driving the gear pressure plate to rotate; the switching mechanism comprises a guide rod which is horizontally arranged, and two station sliding blocks which are embedded in the guide rod and can slide along the guide rod; each station sliding block is provided with the glass tube holding mechanism, a gear is inserted between the two station sliding blocks and are meshed with racks on the two station sliding blocks, and the other gear coaxial with the gear is meshed with a rack on a push rod.

Description

PL lamp tube formation machine Glass tubing anchor clamps

Technical field

The utility model relates to a kind of frock clamp of electric light source equipment, especially grips the anchor clamps that Glass tubing is used on the PL lamp tube formation equipment.

Background technology

The PL lamp belongs to one of concrete kind of electricity-saving lamp series.The manufacturing processed of PL lamp fluorescent tube (shown in Figure 1) is as shown in Figure 2: produced two same Glass tubings and concordant arrangement (P1 step) before this, the A end sealing of every Glass tubing, B end opening; Then simultaneously two Glass tubings are heated (P2 step) near the D1 point position of A end with flame, the D1 point position of two Glass tubings in opposite directions and right; When treating that above-mentioned D1 point position is near molten state, remove the B end of fighting simultaneously to two Glass tubings and blow into gas, the D1 point of two Glass tubings is promptly blown broken and is formed the gap D2 that heave past outside respectively, and past outside, hole edge overhangs; Respectively the edge of two hole D2 is heated with flame simultaneously then, when waiting to reach molten state, removing fights draws close two Glass tubings to (P3 step) simultaneously, and the edge of two holes promptly fitly bonds together and forms a through hole D3 (two Glass tubings communicate by this hole); Continue afterwards with flame through hole D3 and near position to be heated (distance with two Glass tubings widens slightly simultaneously), and blow into a small amount of gas at the B of two Glass tubings end, the through hole position just swells gradually and is pore D4 (P4 step); The P4 step need repeat several times, makes pore D4 constantly swell, and the A end of last two Glass tubings stretches into typing (making the connecting portion D of two Glass tubings have regular profile) in the mould simultaneously, and fluorescent tube is moulding.

Because above-mentioned technology is comparatively loaded down with trivial details, manufacturing step is more, and especially two Glass tubings not only need to be gripped reliably in making processes, and two Glass tubings are done separately and the relative movement of drawing close.Just high requirement has been proposed the anchor clamps that grip Glass tubing when therefore adopting machinery to bend; And existing anchor clamps can't satisfy this requirement.

The utility model content

The purpose of this utility model is the deficiency that overcomes the above-mentioned background technology, a kind of Glass tubing anchor clamps of PL lamp tube formation machine are provided, these anchor clamps should be able to grip Glass tubing, can also make two Glass tubings do relative movement as required, and have grip reliable and stable, motion control is accurate, practical characteristics simple for structure.

The technical scheme that the utility model proposes is: PL lamp tube formation machine Glass tubing anchor clamps comprise two glass-tube clamping devices and drive respectively that two glass-tube clamping devices are drawn close mutually and the open-and-close mechanism of split movement; Each glass-tube clamping device comprises that one cooperates the gear pressing plate of the vertical state Glass tubing of clamping and orders about the rack-and-pinion pull bar that the gear pressing plate rotates with V-shaped groove; The station slide block that described open-and-close mechanism comprises that horizontally disposed tail rod, two are inlaid on the tail rod and can slide along tail rod; A described glass-tube clamping device all is installed on each station slide block; other have a gear to be inserted between two station slide blocks and simultaneously with two station slide blocks on the tooth bar engagement; with the tooth bar engagement on co-axial another pinion(gear) of this gear and the push rod, so that when the push rod translational motion, drive two motions of drawing close mutually or separating by the Glass tubing of glass-tube clamping device clamping.

Described anchor clamps also comprise the drag hook of a pulling rack-and-pinion pull bar, so that pulling rack-and-pinion pull bar unclamps the gear pressing plate of cramping Glass tubing.

Also be shaped on the closure pin locating structure on the described anchor clamps.

Principle of work of the present utility model is: when each anchor clamps on the shaper work station disk are in glass-tube material loading state, the drag hook that is provided with on two cylinder piston rods 26 at anchor clamps rear portion colludes the baffle plate 27 that hauls back end of tie rod move backward (shown in Figure 6) respectively, two gear pressing plates that pull bar is driven keep open configuration, operator can vertically put into two V-shaped grooves to two Glass tubings respectively, and the bottom of Glass tubing rests on the planker 18 of location; Cylinder piston rod is removed the application of force to pull bar toward motion in the other direction afterwards; Two pull bars respectively under the effect of stage clip 22 toward the place ahead motion, the tooth bar of two pull bar front ends just promotes a gear pressing plate respectively and rotates, make the gear pressing plate respectively clamping compress two Glass tubings in the V-shaped groove.

When two Glass tubings need be done relative movement, lifting pin mechanism 46 in this station is moved straight up, elder generation's jack-up closure pin makes two station slide blocks in the anchor clamps open-and-close mechanism drive two glass-tube clamping devices toward two lateral movements, and the spacing between two Glass tubings strengthens; Firn-jet head in the shaper just can be inserted between two Glass tubings, to two Glass tubing heating.

When the PL fluorescent tube enters down the tubulose attitude, two cylinder 26 piston rods at anchor clamps rear portion move backward, the drag hook that each piston rod 26-1 upward is provided with colludes the baffle plate 27 that hauls back end of tie rod respectively moves pull bar together, and two gear pressing plates just rotate and open, and remove the holding force to the PL fluorescent tube; Operator can take off the PL fluorescent tube.

The PL lamp tube formation machine clamp that the utility model provides, it is reliable and stable to guarantee that Glass tubing grips, and it is accurately adjustable to make two Glass tubings parallel relatively move again; For realizing that machinery bends fluorescent tube basic assurance is provided.In addition, entire structure of the present utility model is succinctly reliable, and is practical, also reduced manufacturing cost.

Description of drawings

Fig. 1 is the main TV structure synoptic diagram of PL fluorescent tube.

Fig. 2 is the processing step synoptic diagram of PL fluorescent tube manufacturing processed.

Fig. 3 is the main TV structure synoptic diagram of lamp tube formation machine.

Fig. 4 is a main TV structure synoptic diagram of the present utility model.

Fig. 5 is a plan structure synoptic diagram of the present utility model.

Fig. 6 is the structure for amplifying synoptic diagram at the pull bar position, right side among Fig. 5.

Fig. 7 is the main TV structure synoptic diagram of the open-and-close mechanism in the utility model.

Fig. 8 is the plan structure synoptic diagram of the open-and-close mechanism in the utility model.

Fig. 9 is the meshing relation synoptic diagram of the relevant parts in the open-and-close mechanism.

Figure 10 is the rack-and-pinion meshing relation synoptic diagram among Fig. 7.

Figure 11 is the station slide block in the open-and-close mechanism and the cooperation position synoptic diagram of closure pin.

Figure 12 is the structure for amplifying synoptic diagram of the closure pin among Figure 11.

Figure 13 is the matching relationship synoptic diagram of each parts in the open-and-close mechanism.

Embodiment

Below in conjunction with embodiment shown in the drawings, the utility model is described in further detail.

PL lamp tube formation machine comprises the work station disk 14 of location Glass tubing to be processed and a plurality of stations (station quantity is determined as required) that uniform distribution is positioned at this work station disk periphery; Described work station disk is horizontally disposed on frame 10, and several anchor clamps 16 are evenly being located at the work station disk edge, and the quantity of anchor clamps is identical with station quantity, and each anchor clamps all grips Glass tubing G; Work station disk (shows motor 11 and step-down gear 12 by an actuating unit among Fig. 3; The mode of actuating unit transmission work station disk is identical with existing installation) drive and rotate, driving each anchor clamps each station of passing by successively, and on each station, stop certain hour and (generally need 5-10 second; Stop and rotate and determine by control device working time) carry out operation, also be provided with a control device (this control device buyable) action of each working mechanism is controlled.

Fig. 4 to Fig. 6 shows: each glass-tube clamping device comprise the vertical state Glass tubing of a clamping gear pressing plate 20 (this gear pressing plate is to extend a pressing plate on the face of gear of a pinion(gear), thus rotational angle less than 270 the degree; Only need in the utility model to rotate about 90 degree to get final product) and order about the pull bar 25 that the gear pressing plate rotates; Be shaped on the V-shaped groove 21-1 of vertical layout on the grip slipper 21, Glass tubing is inserted in the groove, the gear pressing plate is in addition behind the gland, Glass tubing just by vertical positioning clamping on grip slipper.But pull bar 25 is positioned on the grip slipper by chute and keeps the axial slip state; The front of pull bar is tooth bar 25-1 for one section, and the engagement of the face of gear of this rack and pinion pressing plate 20 can be rotated (direction shown in the arrow S) by the driven gear pressing plate when making the pull bar axial slip, thus gland clamping Glass tubing or unclamp Glass tubing.Also be set with stage clip 22 on the pull bar, this stage clip forces in pull bar and grip slipper respectively, thereby makes pull bar have the potential energy that past nose motion makes gear pressing plate gland clamping Glass tubing; Other has a drag hook 26-1 (being arranged on the work station disk) who is driven by cylinder 26, and pull bar just colludes the baffle plate that haul back end of tie rod when moving (F direction) backward and together moves, and makes gear clamp loose Glass tubing.

Described open-and-close mechanism (Fig. 8 is to shown in Figure 10) comprises horizontally disposed tail rod 31 (generally being to be arranged two in parallel) on the station base plate; two station slide blocks 32 that are inlaid on the tail rod and can slide along tail rod; a described glass-tube clamping device all is installed on each station slide block; other have a gear 35 to be inserted between two station slide blocks and simultaneously with two station slide blocks on tooth bar 32-1 engagement; with the tooth bar 34-1 engagement on co-axial another pinion(gear) 33 of this gear and the push rod 34, so that when the push rod translational motion, drive two motions of drawing close mutually or separating by the Glass tubing of the vertical state of glass-tube clamping device clamping.The motion forward (directions X) of push rod is realized (shown in Figure 13) by the roof pressure of the piston rod 50-1 of the cylinder 50 of its rear end, and after the elimination of the pressure of putting back-end, push rod is subjected to the effect of its stage clip 34-2 and moves backward, makes two station slide blocks drive two glass-tube clamping devices respectively toward two lateral movements (doing disengaging movement).

For guaranteeing to have between two Glass tubings the spacing of rule, also be shaped on the closure pin locating structure on the anchor clamps.Among Figure 11 as can be known: a closure pin 48 of vertically arranging is housed on the station slide block, and the closure pin lower end is roller 48-2, and the stage clip 48-1 on the closure pin forces in roller makes it have the trend of moving in past below.Two station slide block separated position, closure pin roller roof pressure is on station stepped plate 47; Along with the motion forward of push rod, what two station slide blocks were done to draw close mutually moves, and the closure pin roller also rolls on this station stepped plate; When two station slide blocks are brought to a certain degree mutually, the closure pin roller has rolled out the edge of station stepped plate, under the stage clip effect, down eject, retaining is in the left side of station stepped plate, make the station slide block be obstructed toward moving right (even if the pressure of putting back-end is eliminated, distance between two station slide blocks also no longer enlarges), the spacing of two station slide blocks is determined that just the spacing of two Glass tubings is determined.And when two station slide blocks need enlarge spacing, just need will to lift on the closure pin roller to eliminate the obstruction that the station slide block slides earlier; This is finished by a lifting pin mechanism 46 (operated by rotary motion in preheating, blow the hole station); The bottom of lifting pin mechanism is a cylinder 49 of arranging straight up, and cylinder piston rod moves upward behind the jack-up closure pin roller, and the station slide block can continue to two motions.

Also be provided with a drag hook 26-1 by cylinder 26 drives on the lamp tube formation machine, drag hook 26-1 pulling pull bar 25 just unclamps the gear pressing plate of cramping Glass tubing, and operator just can take off the fluorescent tube of finishing manufacturing, also are convenient to next station material loading again.

The action of above-described each cylinder is controlled by a controlling box all, and this controlling box generally is electric cam case (directly outsourcing).Obviously, the also available oil cylinder of described cylinder is replaced.

Claims (3)

1, PL lamp tube formation machine Glass tubing anchor clamps is characterized in that these anchor clamps comprise two glass-tube clamping devices and drive respectively that two glass-tube clamping devices are drawn close mutually and the open-and-close mechanism of split movement; Each glass-tube clamping device comprises that one cooperates the gear pressing plate (20) of the vertical state Glass tubing of clamping and orders about the rack-and-pinion pull bar (25) that the gear pressing plate rotates with V-shaped groove (21-1); The station slide block that described open-and-close mechanism comprises that horizontally disposed tail rod, two are inlaid on the tail rod and can slide along tail rod; A described glass-tube clamping device all is installed on each station slide block (32); other have a gear to be inserted between two station slide blocks and simultaneously with two station slide blocks on tooth bar (32-1) engagement; with tooth bar (34-1) engagement on co-axial another pinion(gear) of this gear and the push rod (34), so that when the push rod translational motion, drive two motions of drawing close mutually or separating by the Glass tubing of glass-tube clamping device clamping.

2, PL lamp tube formation machine Glass tubing anchor clamps according to claim 1 is characterized in that described anchor clamps (16) also comprise the drag hook (26-1) of a pulling rack-and-pinion pull bar, so that pulling rack-and-pinion pull bar unclamps the gear pressing plate of cramping Glass tubing.

3, PL lamp tube formation machine Glass tubing anchor clamps according to claim 1 and 2 is characterized in that also being shaped on the described anchor clamps closure pin locating structure.

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