CN202336555U - Molybdenum rod shearing mechanism of halogen tungsten lamp tubes - Google Patents
Molybdenum rod shearing mechanism of halogen tungsten lamp tubes Download PDFInfo
- Publication number
- CN202336555U CN202336555U CN2011204733855U CN201120473385U CN202336555U CN 202336555 U CN202336555 U CN 202336555U CN 2011204733855 U CN2011204733855 U CN 2011204733855U CN 201120473385 U CN201120473385 U CN 201120473385U CN 202336555 U CN202336555 U CN 202336555U
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- China
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- halogen tungsten
- feeding
- fluorescent tube
- molybdenum rod
- slideway
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Abstract
The utility model discloses a molybdenum rod shearing mechanism of halogen tungsten lamp tubes, comprising a feeding module, a lifting module, a positioning module, a shearing module and an unloading module, wherein the feeding module is used for delivering the halogen tungsten lamp tubes one by one; the lifting module is used for lifting the sheared halogen tungsten lamp tubes to an unloading station when the received halogen tungsten lamp tubes delivered by the feeding module are descended to a positioning station and the molybdenum rods on the two ends of the halogen tungsten lamp tubes are sheared; the positioning module is used for positioning the halogen tungsten lamp tubes descended to the positioning station; the shearing module is used for shearing the molybdenum rods on the two ends of the positioned halogen tungsten lamp tubes; and the unloading module is used for unloading the sheared halogen tungsten lamp tubes which are lifted to the unloading station by the lifting module. The molybdenum rod shearing mechanism of halogen tungsten lamp tubes disclosed by the utility model is capable of automatically shearing the redundant parts of the molybdenum rods of the halogen tungsten lamp tubes, and is safe in operation, accurate in shearing and high in production efficiency.
Description
Technical field
The utility model relates to halogen tungsten fluorescent tube field, particularly relates to a kind of molybdenum rod shear of halogen tungsten fluorescent tube.
Background technology
In order to give the filament energising of duplicator, the special-purpose halogen tungsten fluorescent tube of printer, there is the molybdenum rod lead-in wire at the two ends that tube glass seals.In manufacturing process, the molybdenum rod lead-in wire that adopts the molybdenum rod shear will arrange the lamp tube ends of gas is pressed the certain size cutting.Then, be connected with the metal terminal welding or with fire resistant electric wire and connector again.
Molybdenum rod cutting method in the past is: at first, arrest the fluorescent tube of having arranged gas with hand, the molybdenum rod of fluorescent tube one end lead-in wire is placed on the mold of miniature punch press, mourn the cutting of unnecessary molybdenum rod; Then, fluorescent tube is turned around, the molybdenum rod of fluorescent tube other end lead-in wire is placed on the same mold of miniature punch press, mourn the cutting of unnecessary molybdenum rod with hand.The shortcoming of this manual methods is that operation is dangerous, the molybdenum rod Cutting Length is inaccurate and production efficiency is not high, is not suitable for the production in enormous quantities of modern duplicator, the special-purpose halogen tungsten fluorescent tube of printer.
The utility model content
The technical problem that the utility model will solve provides the molybdenum rod shear of a kind of handling safety, the molybdenum rod Cutting Length is accurate and production efficiency is higher halogen tungsten fluorescent tube.
The purpose of the utility model realizes through following technical scheme:
A kind of molybdenum rod shear of halogen tungsten fluorescent tube comprises: the positioning component that be used for carrying one by one the feeding material component of halogen tungsten fluorescent tube, will shear lifting assembly that good halogen tungsten fluorescent tube is raised to unloading station after being used for after receiving the halogen tungsten fluorescent tube that feeding material component carries, dropping to the location station and shearing the molybdenum rod of halogen tungsten lamp tube ends, is used for the halogen tungsten fluorescent tube that drops to the location station is positioned, be used for the shearing component that the molybdenum rod of the halogen tungsten lamp tube ends behind the location is sheared and be used for being raised to the discharge component that the halogen tungsten fluorescent tube of unloading station unloads by lifting assembly after shearing.
Described molybdenum rod shear also comprises: dull and stereotyped, as to be arranged on dull and stereotyped top L shaped flat board, be arranged on L shaped dull and stereotyped vacancy and with the treadmill of L shaped flat board on same horizontal plane; Said feeding material component is arranged on the transverse arm of L shaped flat board; Said lifting assembly and discharge component are arranged on the said flat board, and said positioning component and shearing component are provided with in pairs separately and each is to all being symmetrical set respectively on the trailing arm and treadmill of said L shaped flat board.
Described feeding material component comprises: the slideway bracing frame, be set in parallel on the described slideway bracing frame and two feeding slideways tilting to the front lower place, be arranged on a feeding slideway one side wherein baffle plate, be rotatably installed in said two feeding slideway front ends and the rotating shaft vertical, be fixedly installed on two feeding rollers in the said rotating shaft and between two feeding slideways and drive the feeding cylinder that said rotating shaft is back and forth rotated with two feeding slideways; The upper surface of said two feeding rollers is higher than the end face of said feeding slideway; Be formed with groove respectively in said two feeding rollers side of halogen tungsten fluorescent tube on the feeding slideway; The size of said groove be able to be held a halogen tungsten fluorescent tube; Said rotating shaft away from the feeding slideway on a side of halogen tungsten fluorescent tube be installed with a connecting rod vertical with rotating shaft, the output shaft of said feeding cylinder and the end of said connecting rod are hinged.
Described lifting assembly comprises: the top has the elevating lever of V-shaped groove and drives the lift cylinder that this elevating lever moves up and down; Said elevating lever and lift cylinder are symmetrically arranged with two respectively at the front end of said two feeding slideways; Be installed with a support bar on the output of each lift cylinder, the middle and lower part of said elevating lever is hinged through a jointed shaft and said support bar.
Said positioning component comprises a pair of guide pad and a pair of clamping plate; Said a pair of guide pad is separately positioned on the outside of said two elevating levers; A pair of clamping plate are vertically mounted on the guide pad separately, and the direction of clamping plate is consistent with the throughput direction of halogen tungsten fluorescent tube, respectively are formed with the locating slot of the molybdenum rod of accepting the halogen tungsten lamp tube end at the middle part of each clamping plate; The center of V-shaped groove is in same plane on the center of said two locating slots and said two elevating levers, and said a pair of guide pad can be in opposite directions or opposing moving.
Said pair of shear assembly can be along slideway in opposite directions or opposing move; Each shearing component comprises the installing plate that is arranged on the said slideway, be vertically mounted on this installing plate and have guide groove guide rail, be installed on the said installing plate and be positioned at the inboard fixed head of guide rail, be vertically mounted on lower cutter on the said fixed head, be arranged on the guide pad of said guide groove and drive the shearing cylinder that this said guide rail in guide pad edge moves up and down; The lower end of said guide pad is provided with upper cutter; Be formed with a groove shape cutting edge in the upper end of said lower cutter; Being centered close in the same plane of V-shaped groove on the center of locating slot and the elevating lever on the center of this groove shape cutting edge and the clamping plate; When said upper cutter falls,, said molybdenum rod is sheared with said lower cutter acting in conjunction.Preferably, the cross section of said guide groove is a swallow-tail form.
Said discharge component comprises: bracing frame, be arranged on this bracing frame and the two discharging slideways that are parallel to each other, symmetrically arranged a pair of driving lever and a pair of discharging cylinder and drive the driving lever cylinder that each said driving lever moves forward and backward; Said a pair of driving lever is separately between the elevating lever and guide pad of a side; The bottom of V-shaped groove when and top driving lever forward a little with respect to said elevating lever, the position of said driving lever rises to peak a little less than said elevating lever; Said a pair of discharging cylinder is positioned at the place ahead of an elevating lever separately; When said elevating lever rises to the peak discharging; The output shaft of said each discharging cylinder promotes the position below the jointed shaft on the corresponding elevating lever; Make said elevating lever to discharging slideway lopsidedness, be placed on the discharging slideway shearing good halogen tungsten fluorescent tube, said driving lever is stirred the front end of said halogen tungsten fluorescent tube to discharging slideway forward simultaneously.
In addition, be provided with the treadmill guide rail below the described treadmill, the position of said treadmill on said treadmill guide rail can be regulated, so that the molybdenum rod of different length halogen tungsten fluorescent tube is sheared.
The molybdenum rod shear of the utility model can be sheared the redundance of halogen tungsten fluorescent tube molybdenum rod automatically, handling safety, cutting accurately and production efficiency high.
Description of drawings
Shown in Figure 1 is the perspective view of the molybdenum rod shear of the utility model;
Fig. 2 is for showing the partial enlarged drawing of critical piece among Fig. 1;
Fig. 3 is the partial enlarged drawing of feeding material component among Fig. 1;
Fig. 4 is the partial structurtes sketch map of other direction of the molybdenum rod shear of the utility model;
Fig. 5 is a working state schematic representation of the molybdenum rod shear of the utility model, and wherein elevating lever is positioned at highest order;
Fig. 6 is another working state schematic representation of the molybdenum rod shear of the utility model, and wherein elevating lever is positioned at lowest order;
Fig. 7 is the another working state schematic representation of the molybdenum rod shear of the utility model, and wherein elevating lever is positioned at the rotation position.
The specific embodiment
Be elaborated below in conjunction with the structure of accompanying drawing to the molybdenum rod shear of the halogen tungsten fluorescent tube of the utility model.
As depicted in figs. 1 and 2, the molybdenum rod shear of this halogen tungsten fluorescent tube comprises: the positioning component 30 that be used for carrying one by one the feeding material component 10 of halogen tungsten fluorescent tube, will shear lifting assembly 20 that good halogen tungsten fluorescent tube is raised to unloading station after being used for after receiving the halogen tungsten fluorescent tube that feeding material component carries, dropping to the location station and shearing the molybdenum rod of halogen tungsten lamp tube ends, is used for the halogen tungsten fluorescent tube that drops to the location station is positioned, be used for the shearing component 40 that the molybdenum rod of the halogen tungsten lamp tube ends behind the location is sheared and be used for being raised to the discharge component 50 that the halogen tungsten fluorescent tube of unloading station unloads by lifting assembly after shearing.
Described molybdenum rod shear also comprises: dull and stereotyped 1, be arranged on dull and stereotyped top L shaped dull and stereotyped 2, be arranged on L shaped dull and stereotyped 2 vacancy and with the treadmill 3 of L shaped flat board on same horizontal plane; Feeding material component 10 is arranged on L shaped dull and stereotyped 2 the transverse arm 4; Lifting assembly 20 and discharge component 50 are arranged on dull and stereotyped 1, and positioning component 30 is provided with in pairs separately with shearing component 40 and each is to all being symmetrical set respectively on L shaped dull and stereotyped 2 trailing arm 5 and treadmill 3.
Referring to Fig. 3 and Fig. 4; Feeding material component 10 comprises: slideway bracing frame 11, be set in parallel on the described slideway bracing frame and two feeding slideways 12 tilting to the front lower place, be arranged on a feeding slideway one side wherein baffle plate 13, be rotatably installed in said two feeding slideway front ends and the rotating shaft 14 vertical, be fixedly installed on two feeding rollers 15 in the said rotating shaft and between two feeding slideways and drive the feeding cylinder 16 that said rotating shaft is back and forth rotated with two feeding slideways; The upper surface of two feeding rollers 15 is higher than the end face of feeding slideway 12; Be formed with groove 17 respectively in two feeding rollers 15 side of halogen tungsten fluorescent tube on the feeding slideway; The size of groove 17 be able to be held a halogen tungsten fluorescent tube; Rotating shaft 14 away from the feeding slideway on a side of halogen tungsten fluorescent tube be installed with a connecting rod 18 vertical with rotating shaft 14, the end of the output shaft of feeding cylinder and connecting rod 18 is hinged.
Referring to Fig. 5, lifting assembly 20 comprises: the top has the elevating lever 22 of V-shaped groove 21 and drives the lift cylinder 23 that this elevating lever 22 moves up and down.Elevating lever 22 is symmetrically arranged with two with lift cylinder 23 respectively at the front end of two feeding slideways 12, is installed with a support bar 24 on the output of each lift cylinder 23.The middle and lower part of elevating lever 22 is hinged with support bar 24 through a jointed shaft 25.
Referring to Fig. 6, positioning component 30 comprises a pair of guide pad 31 and a pair of clamping plate 32.A pair of guide pad 31 is separately positioned on the outside of two elevating levers 22, and a pair of clamping plate 32 are vertically mounted on the corresponding guide pad 31 separately, and the direction of clamping plate 32 is consistent with the throughput direction of halogen tungsten fluorescent tube.Respectively be formed with the locating slot 33 of the molybdenum rod of accepting the halogen tungsten lamp tube end at the middle part of each clamping plate 32.The center of the V-shaped groove 21 on the center of two locating slots 33 and two elevating levers 22 is in same plane.A pair of guide pad 31 can be in opposite directions or opposing moving.
Referring to Fig. 4 and Fig. 7, shearing component 40 is symmetrically set with two, and these two shearing components can be along slideway 41 in opposite directions or opposing move.Each shearing component comprises: be arranged on installing plate 42 on the slideway 41, be vertically mounted on the installing plate 42 and have guide groove 43 guide rail 44, be installed on the installing plate 42 and be positioned at the inboard fixed head 45 of guide rail 44, be vertically mounted on lower cutter 46 on the fixed head 45, be arranged on the guide pad 47 of guide groove 43 and drive the shearing cylinder 48 that this guide pad 47 moves up and down along guide rail 44.The lower end of guide pad 47 is provided with the upper cutter (not shown), is formed with a groove shape cutting edge (not shown) in the upper end of lower cutter 46, being centered close in the same plane of V-shaped groove on the center of locating slot and the elevating lever on the center of this groove shape cutting edge and the clamping plate.When upper cutter fell, upper cutter and lower cutter 46 actings in conjunction were treated the molybdenum rod of shearing and are sheared.In the present embodiment, guide groove 43 is a dovetail groove, that is: its cross section is a swallow-tail form.
Referring to Fig. 4, discharge component 50 comprises: bracing frame 51, be arranged on this bracing frame 51 and the two discharging slideways 52, symmetrically arranged a pair of driving lever 53 and a pair of discharging cylinder 54 that are parallel to each other and drive the driving lever cylinder 55 that each driving lever 53 moves forward and backward.A pair of driving lever 53 separately between the elevating lever 22 and guide pad 31 of a side, the bottom of V-shaped groove when and top driving lever forward a little with respect to elevating lever 22, the position of driving lever 53 rises to peak a little less than elevating lever 22.A pair of discharging cylinder 54 is positioned at the place ahead of corresponding elevating lever 22 separately; When elevating lever 22 rises to the peak discharging; The output shaft of each discharging cylinder 55 promotes the position of jointed shaft below 25 on the corresponding elevating lever 22; Make elevating lever 22 to discharging slideway 52 lopsidedness, be placed on the discharging slideway 52 shearing good halogen tungsten fluorescent tube, driving lever 53 is stirred the front end of halogen tungsten fluorescent tube to discharging slideway 52 forward simultaneously.
In addition referring to Fig. 1, be provided with treadmill guide rail 60 below the treadmill 3.The position of treadmill 3 on treadmill guide rail 60 can be regulated, so that the molybdenum rod of different length halogen tungsten fluorescent tube is sheared.
The step of the molybdenum rod shear of above-mentioned halogen tungsten fluorescent tube being sheared molybdenum rod below in conjunction with Fig. 5～Fig. 7 describes.It is following that it shears step:
1) as shown in Figure 5; Many halogen tungsten fluorescent tubes having arranged gas are piled up on two feeding slideways 12 of feeding material component in good orderly; Make an end of halogen tungsten fluorescent tube be close to baffle plate 13, first halogen tungsten fluorescent tube is arranged in the groove on the feeding roller 15, starts the molybdenum rod shear;
2) feeding cylinder drives rotating shaft 14 and then drives feeding roller 15 and rotates to feed direction, and the first halogen tungsten fluorescent tube of having arranged gas put into the V-shaped groove 21 on two elevating levers 22, and feeding cylinder drives feeding roller and is returned to initial position then;
3) referring to Fig. 6, two elevating levers 22 descend simultaneously, and locating slot 33, two guide pads of the molybdenum rod of halogen tungsten lamp tube ends on the V-shaped groove being put on the clamping plate 32 of positioning component 31 move simultaneously in opposite directions, make clamping plate 32 be attached to the on glass of halogen tungsten lamp tube ends;
4) referring to Fig. 6 and Fig. 7; Two installing plates 45 in the shearing component move in opposite directions; Two lower cutters 46 are attached on the clamping plate 32 of positioning component; Simultaneously two guide pads 47 are moving down along the guide groove on the guide rail separately respectively under the drive of shearing cylinder, the upper cutter of guide pad 47 lower ends and the lower cutter acting in conjunction on the fixed head, and the molybdenum rod that the halogen tungsten lamp tube ends is unnecessary cuts away;
5) two 22 bars that go up and down rise simultaneously and will shear the halogen tungsten fluorescent tube of getting well and lift to peak, and simultaneously, shearing component and positioning component are retracted into initial position;
6) referring to Fig. 7; The output shaft of a pair of discharging cylinder 54 in the discharge component promotes the position of jointed shaft below 25 on the corresponding elevating lever 22 respectively; Make the lopsidedness of elevating lever 22 to discharging slideway 52; Be placed on the discharging slideway shearing good halogen tungsten fluorescent tube, driving lever 53 is stirred the front end of halogen tungsten fluorescent tube to discharging slideway forward simultaneously, accomplishes the shearing to the molybdenum rod of a fluorescent tube;
7) repeating step 2)～6), successively the molybdenum rod of all the other fluorescent tubes is sheared.
In addition, on L shaped dull and stereotyped 2, also be provided with control box 6, can carry out manual adjustments through each action of 6 pairs of these devices of control box.
Claims (9)
1. the molybdenum rod shear of a halogen tungsten fluorescent tube is characterized in that: the positioning component that will shear lifting assembly that good halogen tungsten fluorescent tube is raised to unloading station after comprising the feeding material component that is used for carrying one by one the halogen tungsten fluorescent tube, be used for after receiving the halogen tungsten fluorescent tube that feeding material component carries, dropping to the location station and shearing the molybdenum rod of halogen tungsten lamp tube ends, is used for the halogen tungsten fluorescent tube that drops to the location station is positioned, be used for the shearing component that the molybdenum rod of the halogen tungsten lamp tube ends behind the location is sheared and be used for being raised to the discharge component that the halogen tungsten fluorescent tube of unloading station unloads by lifting assembly after shearing.
2. molybdenum rod shear according to claim 1; It is characterized in that: also comprise flat board, be arranged on dull and stereotyped top L shaped flat board, be arranged on L shaped dull and stereotyped vacancy and with the treadmill of L shaped flat board on same horizontal plane; Said feeding material component is arranged on the transverse arm of L shaped flat board; Said lifting assembly and discharge component are arranged on the said flat board, and said positioning component and shearing component are provided with in pairs separately and each is to all being symmetrical set respectively on the trailing arm and treadmill of said L shaped flat board.
3. molybdenum rod shear according to claim 2; It is characterized in that; Described feeding material component comprises: the slideway bracing frame, be set in parallel on the described slideway bracing frame and two feeding slideways tilting to the front lower place, be arranged on a feeding slideway one side wherein baffle plate, be rotatably installed in said two feeding slideway front ends and the rotating shaft vertical, be fixedly installed on two feeding rollers in the said rotating shaft and between two feeding slideways and drive the feeding cylinder that said rotating shaft is back and forth rotated with two feeding slideways; The upper surface of said two feeding rollers is higher than the end face of said feeding slideway; Be formed with groove respectively in said two feeding rollers side of halogen tungsten fluorescent tube on the feeding slideway; The size of said groove be able to be held a halogen tungsten fluorescent tube; Said rotating shaft away from the feeding slideway on a side of halogen tungsten fluorescent tube be installed with a connecting rod vertical with rotating shaft, the output shaft of said feeding cylinder and the end of said connecting rod are hinged.
4. molybdenum rod shear according to claim 2; It is characterized in that; Described lifting assembly comprises: the top has the elevating lever of V-shaped groove and drives the lift cylinder that this elevating lever moves up and down; Said elevating lever and lift cylinder are symmetrically arranged with two respectively at the front end of said two feeding slideways, are installed with a support bar on the output of each lift cylinder, and the middle and lower part of said elevating lever is hinged through a jointed shaft and said support bar.
5. molybdenum rod shear according to claim 2; It is characterized in that: said positioning component comprises a pair of guide pad and a pair of clamping plate; Said a pair of guide pad is separately positioned on the outside of said two elevating levers; A pair of clamping plate are vertically mounted on the guide pad separately, and the direction of clamping plate is consistent with the throughput direction of halogen tungsten fluorescent tube, respectively are formed with the locating slot of the molybdenum rod of accepting the halogen tungsten lamp tube end at the middle part of each clamping plate; The center of V-shaped groove is in same plane on the center of said two locating slots and said two elevating levers, and said a pair of guide pad can be in opposite directions or opposing moving.
6. molybdenum rod shear according to claim 2; It is characterized in that: said pair of shear assembly can be along slideway in opposite directions or opposing move; Each shearing component comprises the installing plate that is arranged on the said slideway, be vertically mounted on this installing plate and have guide groove guide rail, be installed on the said installing plate and be positioned at the inboard fixed head of guide rail, be vertically mounted on lower cutter on the said fixed head, be arranged on the guide pad of said guide groove and drive the shearing cylinder that this said guide rail in guide pad edge moves up and down; The lower end of said guide pad is provided with upper cutter; Be formed with a groove shape cutting edge in the upper end of said lower cutter; Being centered close in the same plane of V-shaped groove on the center of locating slot and the elevating lever on the center of this groove shape cutting edge and the clamping plate; When said upper cutter falls,, said molybdenum rod is sheared with said lower cutter acting in conjunction.
7. molybdenum rod shear according to claim 6 is characterized in that: the cross section of said guide groove is a swallow-tail form.
8. molybdenum rod shear according to claim 2; It is characterized in that; Said discharge component comprises: bracing frame, be arranged on this bracing frame and the two discharging slideways that are parallel to each other, symmetrically arranged a pair of driving lever and a pair of discharging cylinder and drive the driving lever cylinder that each said driving lever moves forward and backward; Said a pair of driving lever is separately between the elevating lever and guide pad of a side; The bottom of V-shaped groove when and top driving lever forward a little with respect to said elevating lever, the position of said driving lever rises to peak a little less than said elevating lever, said a pair of discharging cylinder is positioned at the place ahead of an elevating lever separately, when said elevating lever rises to the peak discharging; The output shaft of said each discharging cylinder promotes the position below the jointed shaft on the corresponding elevating lever; Make said elevating lever to discharging slideway lopsidedness, be placed on the discharging slideway shearing good halogen tungsten fluorescent tube, said driving lever is stirred the front end of said halogen tungsten fluorescent tube to discharging slideway forward simultaneously.
9. according to each described molybdenum rod shear in the right 2～8, it is characterized in that: be provided with the treadmill guide rail below the described treadmill, the position of said treadmill on said treadmill guide rail can be regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733855U CN202336555U (en) | 2011-11-24 | 2011-11-24 | Molybdenum rod shearing mechanism of halogen tungsten lamp tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733855U CN202336555U (en) | 2011-11-24 | 2011-11-24 | Molybdenum rod shearing mechanism of halogen tungsten lamp tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202336555U true CN202336555U (en) | 2012-07-18 |
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ID=46485260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204733855U Expired - Lifetime CN202336555U (en) | 2011-11-24 | 2011-11-24 | Molybdenum rod shearing mechanism of halogen tungsten lamp tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202336555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489631A (en) * | 2011-11-24 | 2012-06-13 | 天津兰普里克照明电器有限公司 | Shearing device for molybdenum rods of tungsten halogen lamp tubes and shearing method |
-
2011
- 2011-11-24 CN CN2011204733855U patent/CN202336555U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489631A (en) * | 2011-11-24 | 2012-06-13 | 天津兰普里克照明电器有限公司 | Shearing device for molybdenum rods of tungsten halogen lamp tubes and shearing method |
| CN102489631B (en) * | 2011-11-24 | 2016-12-28 | 天津兰普里克照明电器有限公司 | The molybdenum rod shear of halide-tungsten fluorescent lamp |
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