CN215588082U - Stroke expanding device of processing equipment - Google Patents
Stroke expanding device of processing equipment Download PDFInfo
- Publication number
- CN215588082U CN215588082U CN202121583720.7U CN202121583720U CN215588082U CN 215588082 U CN215588082 U CN 215588082U CN 202121583720 U CN202121583720 U CN 202121583720U CN 215588082 U CN215588082 U CN 215588082U
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- Prior art keywords
- guide rail
- stroke
- positioning
- telescopic
- electrode
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- 238000003754 machining Methods 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 239000004606 Fillers/Extenders Substances 0.000 claims 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 208000006011 Stroke Diseases 0.000 description 64
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model relates to the technical field of processing equipment, in particular to a stroke expanding device of processing equipment. The utility model relates to a stroke extension device of processing equipment, which comprises: the telescopic guide rail is arranged on the processing equipment, and the length of the telescopic guide rail is adjustable; and the electrode fixing seat is used for arranging an electrode of the processing equipment, the electrode fixing seat is arranged on the telescopic guide rail, and the position of the electrode fixing seat is adjustable along the length direction of the telescopic guide rail. The stroke extension device can flexibly extend the processing stroke of processing equipment, has wide practicability and strong universality, can solve the problem of limited processing stroke of the processing equipment such as a spark machine and the like, meets the processing requirement of special conditions, improves the utilization rate of the equipment to the maximum extent, avoids adopting larger stroke equipment, and saves the input cost of the equipment.
Description
Technical Field
The utility model relates to the technical field of processing equipment, in particular to a stroke expanding device of processing equipment.
Background
A spark machine is a machining apparatus used for electric discharge machining. The method is widely applied to manufacturing of dies and mechanical equipment. It is a special processing method for corroding and removing conductive material by using the electric corrosion action generated when pulse discharge is generated between two electrodes immersed in working liquid, also called as electric discharge processing or electric corrosion processing. In spark machining, various complex profiles can be machined by changing the shape of the tool electrode and the relative motion between the tool electrode and the workpiece. The tool electrode is usually made of an electric corrosion resistant material which has good conductivity, higher melting point and easy processing, such as copper, graphite, copper-tungsten alloy, molybdenum and the like. The tool electrode is also lossy during machining, but less than the amount of work piece metal removed, even close to lossless. The working fluid is used as a discharge medium and also plays roles of cooling, chip removal and the like in the machining process.
The existing electric spark technology has the following defects:
1. the processing precision and efficiency are lower.
2. The automation and intelligence degree is not high.
3. The processed workpiece is greatly influenced by the equipment stroke, and the spark machine cannot process the workpiece beyond the stroke.
SUMMERY OF THE UTILITY MODEL
The present invention provides a stroke extension device of a processing device, which is used for solving at least one technical problem.
The utility model relates to a stroke extension device of processing equipment, which comprises:
the telescopic guide rail is arranged on the processing equipment, and the length of the telescopic guide rail is adjustable; and
the electrode fixing seat is used for setting an electrode of the machining equipment, the electrode fixing seat is arranged on the telescopic guide rail, and the position of the electrode fixing seat is adjustable along the length direction of the telescopic guide rail.
In one embodiment, the telescopic rail comprises:
the guide rail comprises a guide rail main body, wherein a telescopic rod is arranged in the guide rail main body and can stretch along the length direction of the guide rail main body; and
the sliding seat is arranged on the telescopic rod, and the position of the sliding seat is adjustable along the length direction of the telescopic rod;
wherein, the electrode fixing seat is arranged on the guide rail main body or the sliding seat.
In one embodiment, the telescopic rod is provided with a fixing hole which penetrates along the radial direction of the telescopic rod, a positioning pin is arranged in the fixing hole, the guide rail main body is provided with a positioning hole,
when the telescopic rod extends out of the guide rail main body along the length direction of the guide rail main body and reaches the maximum stroke of the guide rail main body, one end of the positioning pin is inserted into the positioning hole so as to fix the telescopic rod.
In one embodiment, a return spring is arranged on the telescopic rod, one end of the return spring is connected with one end, far away from the sliding seat, of the guide rail main body, and the other end of the return spring is connected with the telescopic rod.
In one embodiment, the telescopic guide rail is provided with a guide sliding groove, the guide sliding groove extends along the length direction of the telescopic guide rail, and the electrode fixing seat is connected in the guide sliding groove.
In one embodiment, the guide runner is a T-slot.
In one embodiment, a plurality of positioning grooves are formed in the telescopic guide rail, the positioning grooves are arranged at intervals along the length direction of the guide rail, positioning pieces matched with the positioning grooves are arranged on the electrode fixing seat, and the positioning pieces are inserted into the corresponding positioning grooves to realize positioning of the electrode fixing seat.
In one embodiment, the positioning member includes:
a sleeve disposed on the electrode holder;
a positioning spring disposed in the sleeve; and
a positioning ball provided on the positioning spring and reciprocally movable along the sleeve;
the top of the positioning bead is elastically clamped into the corresponding positioning hole, so that the electrode fixing seat is positioned.
In one embodiment, a rail mounting seat is arranged on the telescopic rail, and the telescopic rail is arranged on the processing equipment through the rail mounting seat.
In one embodiment, the telescopic rail and the electrode holder are both made of an electrically conductive material.
Compared with the prior art, the utility model has the advantages that: the stroke extension device can flexibly extend the processing stroke of processing equipment, has wide practicability and strong universality, can solve the problem of limited processing stroke of the processing equipment such as a spark machine and the like, meets the processing requirement of special conditions, improves the utilization rate of the equipment to the maximum extent, avoids adopting larger stroke equipment, and saves the input cost of the equipment.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is an exploded view of the stroke expanding device of the present invention;
FIG. 2 is a front view of the stroke expanding device of the present invention;
FIG. 3 is a top view of the stroke spreading device of the present invention;
FIG. 4 is a side view of the stroke spreading device of the present invention;
FIG. 5 is a first schematic diagram of a first stage stroke state of the stroke expansion device of the present invention;
FIG. 6 is a second schematic view of the first stage stroke state of the stroke expanding device of the present invention;
FIG. 7 is a schematic view of the two-stage stroke state of the stroke extension device of the present invention;
FIG. 8 is a first view of the assembly of the first stage stroke of the stroke extension device of the present invention;
FIG. 9 is a second schematic view of the assembly of the first stage stroke of the stroke extension device of the present invention;
fig. 10 is a third schematic view of the assembly of the first stage stroke of the stroke expanding device of the present invention.
Reference numerals:
1-a slide base; 2-a guide rail body; 3-a guide rail mounting seat; 4-a stop block; 5, a telescopic rod;
6-a return spring; 7-a positioning pin; 8-a positioning element; 9-electrode fixing seat; 10-a first locking screw;
11-a second locking screw; 12-a third locking screw; 13-positioning holes; 14-a positioning groove;
15-a guide chute; 16-electrode of the processing equipment.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 to 10, the present invention provides a stroke expanding device of a machining apparatus, including: a telescopic guide rail and an electrode fixing seat 9. The telescopic guide rail is arranged on the processing equipment, and the length of the telescopic guide rail is adjustable; the electrode fixing seat 9 is used for arranging an electrode 16 of the machining equipment, the electrode fixing seat 9 is arranged on the telescopic guide rail, and the position of the electrode fixing seat 9 is adjustable along the length direction of the telescopic guide rail.
The stroke extension device can flexibly extend the processing stroke of processing equipment, has wide practicability and strong universality, can solve the problem of limited processing stroke of the processing equipment such as a spark machine and the like, meets the processing requirement of special conditions, improves the utilization rate of the equipment to the maximum extent, avoids adopting larger stroke equipment, and saves the input cost of the equipment.
The machining equipment in the present invention is a spark machine.
In one embodiment, the telescopic rail comprises: the guide rail comprises a guide rail main body 2, wherein a telescopic rod 5 is arranged in the guide rail main body 2, and the telescopic rod 5 can stretch along the length direction of the guide rail main body 2; the sliding seat 1 is arranged on the telescopic rod 5, and the position of the sliding seat 1 is adjustable along the length direction of the telescopic rod 5; wherein, the electrode fixing seat 9 is arranged on the guide rail main body 2 or the sliding seat 1.
The stroke extension device in the embodiment can flexibly extend the processing strokes of processing equipment such as a spark machine and the like, and is divided into primary extension and secondary extension. The guide rail main body 2 is used for meeting the requirement of primary expansion of the processing stroke of the processing equipment, and the telescopic rod 5 is used for meeting the requirement of secondary expansion of the processing stroke of the processing equipment. Meanwhile, the secondary expansion adopts a hidden design, and is used when the processing stroke of the equipment is required to be continuously increased, so that the occupied space of the jig is saved, and the requirements of different stroke expansions can be further flexibly met.
In other words, the stroke extension device has a primary stroke and a secondary stroke. When the primary stroke is used, the telescopic rod 5 is in a built-in state, the sliding seat 1 is positioned at one end of the guide rail main body 2, the electrode fixing seat 9 can be arranged on the sliding seat 1 or the guide rail main body 2, and meanwhile, the electrode fixing seat 9 can slide along the guide rail main body 2 to realize position adjustment; when the two-stage stroke is used, the telescopic rod 5 is in an extending state, the electrode fixing seat 9 is arranged on the sliding seat 1, and meanwhile, the sliding seat 1 can slide on the telescopic rod 5, so that the position adjustment of the electrode fixing seat 9 is realized.
In addition, the guide rail main body 2 is provided with a mounting hole which penetrates along the length direction of the guide rail main body and is used for mounting the telescopic rod 5, and one end of the mounting hole, which is far away from the sliding seat 1, is provided with a stop block 4 for limiting the telescopic rod 5; one side of the sliding base 1 is provided with a third locking screw 12, and after the position of the sliding base 1 is determined, the sliding base 1 can be fixed on the telescopic rod 5 through the third locking screw 12.
Specifically, the telescopic rod 5 is provided with a fixing hole which is through along the radial direction of the telescopic rod, a positioning pin 7 is arranged in the fixing hole, and a positioning hole 13 is arranged on the guide rail main body 2. Wherein, when the telescopic rod 5 extends out of the guide rail main body 2 along the length direction of the guide rail main body 2 and reaches the maximum stroke thereof, one end of the positioning pin 7 is inserted into the positioning hole 13 to fix the telescopic rod 5. Thereby keeping the telescopic rod 5 in the extended state to use the secondary stroke of the stroke extension means.
Wherein, the locating pin 7 can set up the middle part of telescopic link 5, and the locating hole 13 sets up the one end adjacent with slide 1 at guide rail main part 2. When the telescopic rod 5 is switched from the built-in state to the extending state, the positioning pin 7 can be pulled to drive the telescopic rod 5 to extend out of the end part of the guide rail main body 2, and when one end of the positioning pin 7 reaches the position of the positioning hole 13, the positioning pin 7 is pressed inwards to enable the corresponding end of the positioning pin to be inserted into the positioning hole 13.
Preferably, a return spring 6 is arranged on the telescopic rod 5, one end of the return spring 6 is connected with one end of the guide rail main body 2 far away from the sliding seat 1, and the other end of the return spring 6 is connected with the telescopic rod 5. When the telescopic rod 5 is switched from the outward extending state to the built-in state, the positioning pin 7 is pulled out, and then the return spring 6 can drive the telescopic rod 5 to retract into the guide rail main body 2 and keep at a fixed position, so that the occupied space can be saved.
In one embodiment, the telescopic guide rail is provided with a guide sliding chute 15, the guide sliding chute 15 extends along the length direction of the telescopic guide rail, and the electrode fixing seat 9 is connected in the guide sliding chute 15.
Wherein the electrode holder 9 slides along the guide runner 15 for position adjustment.
Preferably, the guide runner 15 is a T-shaped groove. Thereby need not to set up extra installation component, can connect electrode fixing base 9 on telescopic rail. Further, a T-shaped slide column is arranged at the top of the electrode fixing seat 9 and is used for being matched with the T-shaped groove.
The guide runner 15 is provided in both the rail main body 2 and the slide 1 of the telescopic rail.
In one embodiment, a plurality of positioning grooves 14 are formed in the telescopic guide rail, the positioning grooves 14 are arranged at intervals along the length direction of the guide rail, positioning pieces 8 matched with the positioning grooves 14 are arranged on the electrode fixing seat 9, and the positioning pieces 8 are inserted into the corresponding positioning grooves 14 to position the electrode fixing seat 9.
In this embodiment, the positioning groove 14 is matched with the positioning member 8, so that the electrode fixing seat 9 can be quickly and accurately positioned, and the positioning structure is reliable and stable. Therefore, by using the stroke extension device, the processing precision of processing equipment can be ensured, and the processing efficiency is improved.
Specifically, as shown in fig. 6, positioning grooves 14 are provided on the rail main body 2 and the slider 1, respectively.
Further specifically, the positioning member 8 includes: a sleeve disposed on the electrode holder 9; a positioning spring disposed in the sleeve; and a positioning ball provided on the positioning spring and reciprocally movable along the sleeve. Wherein, the top of the positioning bead is elastically clamped into the corresponding positioning groove 14, so as to realize the positioning of the electrode fixing seat 9.
In other words, the positioning element 8 is of an elastic structure, and can move the electrode fixing seat 9 back and forth along the direction of the guide rail body 2 according to the size of the workpiece to be processed, so as to adjust the position. When the electrode fixing seat 9 is moved, the positioning spring in the sleeve is extruded and contracted, and when the electrode fixing seat 9 is moved to the corresponding positioning groove 14, the positioning beads pop out, so that the electrode fixing seat 9 can be positioned.
If the electrode fixing seat 9 is not in proper position, the above process can be repeated until the processing stroke can be met, so that the electrode fixing seat 9 can be flexibly positioned.
Further, the sleeve is provided with an external thread, and a corresponding threaded hole is formed in the electrode fixing seat 9 so as to mount the sleeve.
After the stroke of the processing equipment is increased, the parallelism of the telescopic guide rail and the processing equipment is difficult to check, and the processing precision of the equipment can be influenced. Through the precise guide rail and the positioning balls capable of being ejected in the embodiment, the problem that the equipment checking precision is not high after the stroke is expanded can be solved, and the checking of the electrode 16 of the processing equipment is accurate and rapid.
In one embodiment, the telescopic guide rail is provided with a guide rail mounting base 3, and the telescopic guide rail is arranged on the processing equipment through the guide rail mounting base 3.
Wherein, install telescopic rail and electrode fixing base 9 on the processing equipment through setting up guide rail mount pad 3. Specifically, the rail mount 3 is mounted on the main shaft of the spark machine.
Specifically, the rail mount 3 is provided with an opening, and the rail body 2 of the telescopic rail is disposed in the opening thereof and fixed by the second locking screw 11.
In one embodiment, the telescopic rail and the electrode holder 9 are made of an electrically conductive material to ensure electrical conductivity of the electrode 16 of the processing apparatus.
Preferably, the electrode fixing seat 9 can be made of iron, and the guide rail main body 2, the telescopic rod 5 and the sliding seat 1 of the telescopic guide rail can be made of aluminum. Therefore, the conductivity and the rigidity of the structure can be effectively guaranteed, the weight of the device can be reduced, and the operation is convenient.
In one embodiment, the electrode holder 9 is provided with a downward opening, and one side of the electrode holder 9 is provided with a first locking screw 10. Thus, the electrode 16 of the machining device can be arranged in the opening of the electrode holder 9 by means of the first locking screw 10.
The following is a detailed description of the steps of using and installing the stroke expanding device of the present invention.
The stroke range of the stroke extension device is roughly determined according to the size and the machining position of the workpiece to be machined.
1. After the guide rail mounting seat 3, the electrode fixing seat 9 and the sliding seat 1 are adjusted to proper positions, the telescopic guide rail is fixed on the guide rail mounting seat 3 through a second locking screw 11.
2. The rail mount 3 is then connected to the spark machine spindle.
3. And assembling and locking the electrode 16 of the processing equipment on the electrode fixing seat 9, and adjusting the parallelism of the electrode of the processing equipment.
4. And adjusting the parallelism of the workpiece and the coordinates of the electrode to perform electric discharge machining.
The stroke extension device has the advantages that all accessories of the stroke extension device are easy and convenient to machine and quick to assemble, and the use range and the utilization rate of the existing machining equipment can be expanded to the maximum extent.
The following is a detailed description of the procedure of using the stroke expanding device of the present invention.
First, the stroke range of the stroke extension device is roughly determined based on the size and machining position of the workpiece to be machined.
Firstly, the working process when using the primary stroke is as follows:
1. after the electrode fixing seat 9 is adjusted to a proper position, the electrode fixing seat is locked by the positioning piece 8. When the one-stage stroke is used, the telescopic rod 5 is in a retracted state, and the electrode fixing seat 9 can be fixed on the sliding seat 1 or the guide rail main body 2.
2. After the guide rail mounting base 3 is adjusted to a proper position, the second locking screw 11 is locked.
3. After the stroke of the device is adjusted and fixed, the guide rail mounting base 3 is connected and locked with the main shaft of the spark machine.
4. The electrode 16 of the processing equipment is assembled on the electrode fixing seat 9 and is locked through the first locking screw 10, and the parallelism of the electrode 16 of the processing equipment is adjusted.
5. And adjusting the parallelism of the workpiece and the coordinates of the electrode to perform electric discharge machining.
Secondly, the working process when the secondary stroke is used is as follows:
1. the telescopic rod 5 is pulled out and fixed in the positioning hole 13 of the guide rail main body 2 through the positioning pin 7, so that the telescopic rod 5 is in the maximum extension state.
2. And (3) locking a third locking screw 12 after the sliding seat 1 is adjusted to a proper position on the telescopic rod 5. Meanwhile, when the two-stage stroke is used, the electrode fixing seat 9 is fixed on the sliding seat 1 through the positioning piece 8.
3. After the guide rail mounting base 3 is adjusted to a proper position, the second locking screw 10 is locked.
4. After the stroke of the device is adjusted and fixed, the guide rail mounting base 3 is connected and locked with the main shaft of the spark machine.
5. And assembling and locking the electrode 16 of the processing equipment on the electrode fixing seat 9, and adjusting the parallelism of the electrode 16 of the processing equipment.
6. And adjusting the parallelism of the workpiece and the coordinates of the electrode to perform electric discharge machining.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A stroke extension device of a processing apparatus, comprising:
the telescopic guide rail is arranged on the processing equipment, and the length of the telescopic guide rail is adjustable; and
the electrode fixing seat is used for setting an electrode of the machining equipment, the electrode fixing seat is arranged on the telescopic guide rail, and the position of the electrode fixing seat is adjustable along the length direction of the telescopic guide rail.
2. The stroke extender of claim 1, wherein the telescoping rail comprises:
the guide rail comprises a guide rail main body, wherein a telescopic rod is arranged in the guide rail main body and can stretch along the length direction of the guide rail main body; and
the sliding seat is arranged on the telescopic rod, and the position of the sliding seat is adjustable along the length direction of the telescopic rod;
wherein, the electrode fixing seat is arranged on the guide rail main body or the sliding seat.
3. The stroke extender as claimed in claim 2, wherein the telescopic rod is provided with a fixing hole penetrating along a radial direction thereof, the fixing hole is provided with a positioning pin therein, the guide rail body is provided with a positioning hole therein,
when the telescopic rod extends out of the guide rail main body along the length direction of the guide rail main body and reaches the maximum stroke of the guide rail main body, one end of the positioning pin is inserted into the positioning hole so as to fix the telescopic rod.
4. The stroke extender as claimed in claim 2 or 3, wherein a return spring is provided on the telescopic rod, one end of the return spring is connected to the end of the main body of the guide rail away from the slide carriage, and the other end of the return spring is connected to the telescopic rod.
5. The stroke extender of any one of claims 1-3, wherein the telescopic rail is provided with a guide runner extending along a length direction of the telescopic rail, and the electrode holder is connected in the guide runner.
6. The stroke extender of claim 5 wherein said guide channel is a T-slot.
7. The stroke extender as claimed in claim 5, wherein the telescopic rail has a plurality of positioning slots formed therein, the positioning slots are spaced along the length direction of the rail, the electrode holder has positioning members engaged with the positioning slots, and the positioning members are inserted into the corresponding positioning slots to position the electrode holder.
8. The stroke extender of claim 7, wherein the positioning member comprises:
a sleeve disposed on the electrode holder;
a positioning spring disposed in the sleeve; and
a positioning ball provided on the positioning spring and reciprocally movable along the sleeve;
the top of the positioning bead is elastically clamped into the corresponding positioning groove, so that the electrode fixing seat is positioned.
9. The stroke extension device of any one of claims 1-3, wherein the telescopic guide rail is provided with a guide rail mounting seat, and the telescopic guide rail is arranged on the processing equipment through the guide rail mounting seat.
10. The stroke extension device of any one of claims 1-3, wherein the telescopic rail and the electrode holder are both made of an electrically conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583720.7U CN215588082U (en) | 2021-07-12 | 2021-07-12 | Stroke expanding device of processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583720.7U CN215588082U (en) | 2021-07-12 | 2021-07-12 | Stroke expanding device of processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215588082U true CN215588082U (en) | 2022-01-21 |
Family
ID=79877315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121583720.7U Active CN215588082U (en) | 2021-07-12 | 2021-07-12 | Stroke expanding device of processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215588082U (en) |
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2021
- 2021-07-12 CN CN202121583720.7U patent/CN215588082U/en active Active
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