CN202571579U - Energy storage type resistance welding special machine for freeze dryer shelf - Google Patents
Energy storage type resistance welding special machine for freeze dryer shelf Download PDFInfo
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- CN202571579U CN202571579U CN 201220119246 CN201220119246U CN202571579U CN 202571579 U CN202571579 U CN 202571579U CN 201220119246 CN201220119246 CN 201220119246 CN 201220119246 U CN201220119246 U CN 201220119246U CN 202571579 U CN202571579 U CN 202571579U
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- electrode group
- shelf
- bottom electrode
- energy storage
- storage type
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Abstract
The utility model discloses an energy storage type resistance welding special machine for a freeze dryer shelf. A bottom electrode group is arranged on a rack. A top electrode group can be located on the rack right above the bottom electrode group in a vertical sliding mode. A feeding device can be located on the rack in a linear sliding mode. The feeding device enables the shelf to be conveyed and slipped on the bottom electrode group. A charging transformer, a capacitor and a charging control circuit are connected in series to form a charging return circuit. The capacitor, a discharging control circuit, the top electrode group, the bottom electrode group, the shelf and a discharging transformer are connected in series to form a discharging return circuit. According to the energy storage type resistance welding special machine, multi-point welding for the shelf is achieved through energy storage type resistance welding, welding time is short, heating is concentrated, appearance of connectors is good, deformation is little, the shelf after being welded is good in smoothness, the energy storage type resistance welding special machine is not influenced by voltage flux, connector strength flux is little, repeatability is good, the shelf does not easily leak, the energy storage type resistance welding special machine is safe to use and energy-saving, welding efficiency is high, and working intensity of workers is low.
Description
Technical field
The utility model relates to a kind of bonding machine that is used to weld shelf, particularly a kind of freeze dryer shelf energy storage type resistance welded special plane.
Background technology
Shelf is the essential elements of medicine equipment freeze dryer, and medicine freeze-drying effect depends on the quality (as: flatness of shelf, heat conductivity and security) of shelf; Shelf is by forming across many parting beads in the middle of the upper and lower two-layer corrosion resistant plate, and the existing manufacture craft of shelf has following several kinds:
First kind: artificial plug welding: (use welding equipment: argon arc welding machine)
Step 1: manual work is welded in solid parting bead earlier on lower floor's corrosion resistant plate with argon arc welding machine;
Step 2: the position of corresponding parting bead boring (according to the size of shelf specification, maximum plate faces will bore 450 holes) on the corrosion resistant plate of upper strata;
Step 3: manual work is carried out plug welding with upper strata corrosion resistant plate and parting bead in the position of boring with argon arc welding machine;
Step 4: the distortion that produces in the dividing plate welding process is proofreaied and correct with evener;
Step 5: with planer machined is carried out in the shelf above and below, to reach the needed flatness of shelf;
The characteristics of this kind welding manner are: flaggy weight, complex procedures, consumption are artificial, efficient is low, not environmental protection, welding deformation is big, leakage of oil hidden danger is big, security is general, heat exchange area is little, thermal stress discharges, and flaggy is out of shape gradually;
Second kind: vacuum brazing: (use welding equipment: vacuum brazing furnace)
Step 1: upper and lower layer corrosion resistant plate and hollow parting bead are combined, filled solder between parting bead and upper and lower layer corrosion resistant plate contact-making surface;
Step 2: the shelf that combines is clipped together with special fixture;
Step 3: the shelf that clips is placed on is heated in the vacuum still about 1000 ℃, carry out nature cooling (about 12 hours/stove);
The characteristics of this kind welding manner are: flaggy is light, technological requirement is high, apparatus expensive, energy consumption greatly, not environmental protection, efficient be low, be welded with distortion, do not have leakage of oil hidden danger, heat exchange area is big, heat fatigue tolerance flaggy is bad, uses repeatedly the back brazing layer that the risk of cracking is arranged.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of freeze dryer shelf energy storage type resistance welded special plane, and this freeze dryer shelf energy storage type resistance welded special plane weak point weld interval, dividing plate are out of shape little, and the strength of joint fluctuation is little, and the dividing plate planarization is high, energy saving.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of freeze dryer shelf energy storage type resistance welded special plane, comprise frame, feeding pay-off, charging transformer, discharge transformer, capacitor, charging control circuit, charge/discharge control circuit, top electrode group and bottom electrode group, and said bottom electrode is mounted on the frame; The top electrode group vertically can be slided and is positioned on the frame directly over the bottom electrode group, and the feeding pay-off can linear slide be positioned on the frame, and said feeding pay-off can be carried shelf and slip on the bottom electrode group; Said charging transformer, capacitor and charging control circuit series connection form charge circuit; Said capacitor, charge/discharge control circuit, top electrode group, bottom electrode group, shelf and the series connection of discharge transformer form discharge loop, during machine works, electrical network are communicated with charge circuit; Charging transformer charges to capacitor through control circuit; After charging finished, the feeding pay-off was carried shelf on the bottom electrode group, and kept the bottom electrode group to contact with shelf; Then the decline of top electrode group contacts and compresses with shelf; Discharge loop is communicated with, obtains pulse current in the loop that capacitor, discharge transformer, charge/discharge control circuit, shelf and upper and lower electrode group form, pulse current welds shelf; This bonding machine can be once welds a plurality of solder joints of shelf; Speed of welding is fast, and planarization is good, has guaranteed the security that shelf uses.
Further improvement as the utility model; The said top electrode group structure that is positioned on the frame directly over the bottom electrode group of vertically can sliding is: be provided with vertical cylinder; Said vertical cylinder is fixedly arranged on the frame; Vertically the piston rod and the top electrode group of cylinder are connected, and also can be hydraulic cylinders, the principle same with cylinder.
Further improvement as the utility model also is provided with horizontal air cylinder, and said horizontal air cylinder is fixedly arranged on the frame, and the piston rod of said horizontal air cylinder and bottom electrode group are connected, and is used for bottom electrode group position is finely tuned, and guarantees that upper/lower electrode group position is corresponding.
As the further improvement of the utility model, said feeding pay-off can carry the structure that slips on the bottom electrode group to be shelf: the feeding pay-off comprises servomotor, ball screw and mould bases dolly, and frame is provided with rectilinear orbit; The wheel of mould bases dolly below just is arranged in the rectilinear orbit, and servomotor is fixedly arranged on the frame, and servomotor power is exported to ball screw; Ball screw and mould bases dolly are spirally connected; Hollow frame structure in the middle of the mould bases dolly is during use, is placed on shelf on the mould bases dolly; The mould bases dolly is the line slideway motion in the drive lower edge of ball screw; Shelf is transported to back stop motion directly over the bottom electrode group, owing to be the structure of hollow out in the middle of the mould bases dolly, the proper and bottom electrode groups of contact conducting of shelf like this.Except the ball screw structure can realize carrying the function of shelf can also be to stretch through sprocket wheel chain structure or cylinder, also or gear & rack structure.
As the further improvement of the utility model, the said elevating mechanism that also is provided with, this elevating mechanism is fixedly arranged on the frame; This elevating mechanism can drive the lengthwise movement of bottom electrode group, directly over the mould bases dolly is delivered to shelf the bottom electrode group after, the bottom electrode group rises; Guarantee that the mould bases dolly does not interfere with the bottom electrode group in course of conveying; Simultaneously, when guaranteeing that shelf welds, the bottom electrode group closely contacts with shelf.
As the further improvement of the utility model, said elevating mechanism is a vertical cylinder of placing, and also can be cam mechanism.
As the further improvement of the utility model, also be provided with the progression adjuster on the said discharge transformer, be convenient to control output voltage.
The beneficial effect of the utility model is: the utility model has been realized disposable multiple spot welding to dividing plate through the energy storage type resistance welded, and weld interval is short, and heating is concentrated, and the profile of joint is good, distortion is little; Dividing plate welding back planarization is good, and the utility model employing semiconductor charging and discharging circuit, is easy to accomplish that capacitor welds the uniformity of supply of electrical energy at every turn, does not receive the influence of net voltage fluctuation; Thereby welding heat is very stable, and the strength of joint fluctuation is little, and repeatability is fabulous, and dividing plate is difficult for leaking; Safe in utilization, the energy storage type resistance welded requires net capacity little, and required net capacity is merely about 1/10 of A.C. welder; Impact to electrical network is also little, can effectively utilize electric power, reaches purpose of power saving; Full automatic feeding pay-off has improved welding efficiency, has reduced labor strength.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the left view of the utility model;
Fig. 3 is the circuit theory diagrams of the utility model;
Fig. 4 is the utility model discharge current waveform figure.
The specific embodiment
Embodiment: a kind of freeze dryer shelf energy storage type resistance welded special plane, comprise frame 1, feeding pay-off, charging transformer 3, discharge transformer 4, capacitor 5, charging control circuit 6, charge/discharge control circuit 7, top electrode group 8 and bottom electrode group 9, said bottom electrode group 9 is located on the frame 1; Top electrode group 8 vertically can be slided and is positioned on the frame 1 directly over the bottom electrode group 9, and the feeding pay-off can linear slide be positioned on the frame 1, and said feeding pay-off can be carried shelf and slip on the bottom electrode group 9; Said charging transformer 3, capacitor 5 and charging control circuit 6 series connection form charge circuits; Said capacitor 5, charge/discharge control circuit 7, top electrode group 8, bottom electrode group 9, shelf and 4 series connection of discharge transformer form discharge loops, during machine works, electrical network are communicated with charge circuit; Charging transformer 3 gives capacitor 5 chargings through control circuit; After charging finished, the feeding pay-off was carried shelf 2 on the bottom electrode group 9, and kept bottom electrode group 9 to contact with shelf; Then 8 declines of top electrode group contact and compress with shelf 2; Discharge loop is communicated with, obtains pulse current in the loop that capacitor 5, discharge transformer 4, charge/discharge control circuit 7, shelf and upper and lower electrode group 9 form, pulse current welds shelf; This bonding machine can be once welds a plurality of solder joints of shelf; Speed of welding is fast, and planarization is good, has guaranteed the security that shelf 2 uses.
Said top electrode group 8 structure that is positioned on the frame 1 directly over the bottom electrode group 9 of vertically can sliding is: be provided with vertical cylinder 10; Said vertical cylinder 10 is fixedly arranged on the frame 1; Vertically the piston rod and the top electrode group 8 of cylinder 10 are connected, and also can be hydraulic cylinders, the principle same with cylinder.
Also be provided with horizontal air cylinder 11, said horizontal air cylinder 11 is fixedly arranged on the frame 1, and the piston rod of said horizontal air cylinder 11 and bottom electrode group 9 are connected, and is used for bottom electrode group 9 positions are finely tuned, and guarantees that upper/lower electrode group 9 positions are corresponding.
Said feeding pay-off can carry the structure that slips on the bottom electrode group 9 to be shelf: the feeding pay-off comprises servomotor 21, ball screw 22 and mould bases dolly 23, and frame 1 is provided with rectilinear orbit 24, and the wheel of mould bases dolly 23 belows just is arranged in the rectilinear orbit 24; Servomotor 21 is fixedly arranged on the frame 1; Servomotor 21 power are exported to ball screw 22, and ball screw 22 is spirally connected with mould bases dolly 23, hollow frame structure in the middle of mould bases dolly 23 is; During use; Shelf 2 is placed on the mould bases dolly 23, and mould bases dolly 23 line slideway motion in the drive lower edge of ball screw 22 is transported to back stop motion directly over the bottom electrode group 9 with shelf 2; Because be the structure of hollow out in the middle of the mould bases dolly 23, shelf 2 just contacts conducting with bottom electrode group 9 like this.Except ball screw 22 structures can realize carrying the function of shelf 2 can also be to stretch through sprocket wheel chain structure or cylinder, also or gear & rack structure.
The said elevating mechanism 12 that also is provided with, this elevating mechanism 12 is fixedly arranged on the frame 1, and this elevating mechanism 12 can drive 9 lengthwise movements of bottom electrode group; After directly over mould bases dolly 23 is delivered to shelf 2 bottom electrode group 9; Bottom electrode group 9 rises, and guarantees that mould bases dolly 23 does not interfere with bottom electrode group 9 in course of conveying, simultaneously; When guaranteeing that shelf welds, bottom electrode group 9 closely contacts with shelf 2.
Said elevating mechanism 12 is a vertical cylinder of placing, and also can be cam mechanism.
Also be provided with progression adjuster 13 on the said discharge transformer 4, be convenient to control output voltage.
Claims (7)
1. freeze dryer shelf energy storage type resistance welded special plane; It is characterized in that: comprise frame (1), feeding pay-off, charging transformer (3), discharge transformer (4), capacitor (5), charging control circuit (6), charge/discharge control circuit (7), top electrode group (8) and bottom electrode group (9); Said bottom electrode group (9) is located on the frame (1); Top electrode group (8) vertically can be slided and is positioned on the frame (1) directly over the bottom electrode group (9); The feeding pay-off can linear slide be positioned on the frame (1); Said feeding pay-off can be carried shelf and slip on the bottom electrode group (9); Said charging transformer (3), capacitor (5) and charging control circuit (6) series connection form charge circuit, and said capacitor (5), charge/discharge control circuit (7), top electrode group (8), bottom electrode group (9), shelf and discharge transformer (4) series connection form discharge loop.
2. freeze dryer shelf energy storage type resistance welded special plane according to claim 1; It is characterized in that: said top electrode group (8) structure that is positioned on the frame (1) directly over the bottom electrode group (9) of vertically can sliding is: be provided with vertical cylinder (10); Said vertical cylinder (10) is fixedly arranged on the frame (1), and vertically the piston rod and the top electrode group (8) of cylinder (10) are connected.
3. freeze dryer shelf energy storage type resistance welded special plane according to claim 1 is characterized in that: also be provided with horizontal air cylinder (11), said horizontal air cylinder (11) is fixedly arranged on the frame (1), and the piston rod of said horizontal air cylinder (11) and bottom electrode group (9) are connected.
4. freeze dryer shelf energy storage type resistance welded special plane according to claim 1; It is characterized in that: said feeding pay-off can carry the structure that slips on the bottom electrode group (9) to be shelf: the feeding pay-off comprises servomotor (21), ball screw (22) and mould bases dolly (23); Frame (1) is provided with rectilinear orbit (24); The wheel of mould bases dolly (23) below just is arranged in the rectilinear orbit (24), and servomotor (21) is fixedly arranged on the frame (1), and servomotor (21) power is exported to ball screw (22); Ball screw (22) is spirally connected with mould bases dolly (23), hollow frame structure in the middle of mould bases dolly (23) is.
5. freeze dryer shelf energy storage type resistance welded special plane according to claim 4 is characterized in that: the said elevating mechanism (12) that also is provided with, and this elevating mechanism (12) is fixedly arranged on the frame (1), and this elevating mechanism (12) can drive bottom electrode group (9) lengthwise movement.
6. freeze dryer shelf energy storage type resistance welded special plane according to claim 5 is characterized in that: said elevating mechanism (12) is a vertical cylinder of placing.
7. freeze dryer shelf energy storage type resistance welded special plane according to claim 1 is characterized in that: also be provided with progression adjuster (13) on the said discharge transformer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119246 CN202571579U (en) | 2012-03-27 | 2012-03-27 | Energy storage type resistance welding special machine for freeze dryer shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119246 CN202571579U (en) | 2012-03-27 | 2012-03-27 | Energy storage type resistance welding special machine for freeze dryer shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571579U true CN202571579U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220119246 Expired - Fee Related CN202571579U (en) | 2012-03-27 | 2012-03-27 | Energy storage type resistance welding special machine for freeze dryer shelf |
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| Country | Link |
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| CN (1) | CN202571579U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358005A (en) * | 2012-03-27 | 2013-10-23 | 昆山荣仕杰自动焊接设备有限公司 | Energy-storage-type resistance welding machine special for freeze dryer shelf |
| CN104741809A (en) * | 2013-12-25 | 2015-07-01 | 震旦（中国）有限公司 | Automatic drawer rail bar welding system |
| CN104842057A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | 24-point welding machine for metal-plate goods shelves |
| CN105014214A (en) * | 2015-07-04 | 2015-11-04 | 艾尼科环保技术(安徽)有限公司 | Single-side welding machine used for electrostatic dust collector moving electrode plate |
| CN108188557A (en) * | 2018-01-30 | 2018-06-22 | 惠州市诚业家具有限公司 | For bar to be soldered to the welding mechanism at frame bottom |
-
2012
- 2012-03-27 CN CN 201220119246 patent/CN202571579U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358005A (en) * | 2012-03-27 | 2013-10-23 | 昆山荣仕杰自动焊接设备有限公司 | Energy-storage-type resistance welding machine special for freeze dryer shelf |
| CN104741809A (en) * | 2013-12-25 | 2015-07-01 | 震旦（中国）有限公司 | Automatic drawer rail bar welding system |
| CN104842057A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | 24-point welding machine for metal-plate goods shelves |
| CN105014214A (en) * | 2015-07-04 | 2015-11-04 | 艾尼科环保技术(安徽)有限公司 | Single-side welding machine used for electrostatic dust collector moving electrode plate |
| CN108188557A (en) * | 2018-01-30 | 2018-06-22 | 惠州市诚业家具有限公司 | For bar to be soldered to the welding mechanism at frame bottom |
| CN108188557B (en) * | 2018-01-30 | 2023-08-29 | 惠州市诚业家具有限公司 | Welding mechanism for welding strip-shaped object to frame bottom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150327 |
|
| EXPY | Termination of patent right or utility model |