CN104734435A - Device for manufacturing compressor stator iron core - Google Patents
Device for manufacturing compressor stator iron core Download PDFInfo
- Publication number
- CN104734435A CN104734435A CN201510176505.8A CN201510176505A CN104734435A CN 104734435 A CN104734435 A CN 104734435A CN 201510176505 A CN201510176505 A CN 201510176505A CN 104734435 A CN104734435 A CN 104734435A
- Authority
- CN
- China
- Prior art keywords
- stator
- iron core
- lock chambers
- manufacturing installation
- manufacture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a device for manufacturing a compressor stator iron core. The device comprise a lower die component, a male die, a locking part, a support frame and a welding gun. A female die cavity and a locking cavity which are vertically communicated are formed in the lower die component. A welding port communicated to the lateral wall of the locking cavity is formed in the lower die component. The male die which can move up and down is disposed above the lower die component to be matched with the female die cavity to stamp a stamped stator piece. The locking part is disposed in the locking cavity and used for locking and releasing the stamped stator piece. The support frame is disposed in the locking cavity, located below the locking part and used for supporting the stamped stator piece. The head of the welding gun is communicated to the welding port and used for welding the stamped stator piece between the locking part and the support frame. The device for manufacturing the compressor stator iron core has the advantages that the welding strength and size qualified rate of the stator iron core can be effectively increased, productivity is increased, production cost is lowered, large-batch production requirements are satisfied, iron loss of a compressor motor can be effectively lowered, and the motor efficiency of a compressor is increased.
Description
Technical field
The present invention relates to Compressor Manufacturing technical field, especially relate to a kind of manufacturing installation for the manufacture of compressor stator iron core.
Background technology
Compressor in correlation technique, its stator core adopts stamping riveting technology stator punching to be carried out button riveting point and laminates, generally, each stator punching needs more than four or four to detain riveting point, form loop between stator core self-clinching riveting point and produce backflow, thus increase the eddy current loss of motor, namely increase the iron loss of motor.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the invention reside in propose a kind of manufacturing installation for the manufacture of compressor stator iron core, described manufacturing installation can realize the quick production of stator core, guarantee the intensity of stator core and size up to standard.
According to the manufacturing installation for the manufacture of compressor stator iron core of the present invention, described stator core comprises the multiple stator punchings be axially connected, described manufacturing installation comprises: lower mold assemblies, is formed with the matrix cavity be communicated with up and down and lock chambers and is communicated to the weld bond of described lock chambers sidewall in described lower mold assemblies; Punch, the top that described punch can be located at described lower mold assemblies up or down stamps out described stator punching to coordinate with described matrix cavity; Locking member, described locking member is located in described lock chambers the described stator punching be displaced downwardly to from described matrix cavity for locking and release in described lock chambers; Bracket, described bracket can be located at the described stator punching that in described lock chambers and the below being positioned at described locking member moves down through described locking member for picking-up up or down; And welding gun, the rifle head of described welding gun is communicated to described weld bond for the described stator punching between the described locking member of welding and described bracket.
According to the manufacturing installation for the manufacture of compressor stator iron core of the present invention, effectively can improve weld strength and the size qualification rate of stator core, reduction in the numbers of seconds, enhance productivity, reduce production cost, meet requirements of mass production, and effectively can reduce the iron loss of compressor electric motor, promote the electric efficiency of compressor.
Particularly, described locking member can be located in described lock chambers horizontal extension.
Particularly, described carrier configuration becomes described bracket when a described stator punching pile is pressed on described bracket to move down the thickness of a described stator punching.
Particularly, described weld bond is multiple and is evenly spaced apart in the circumference of described lock chambers.
Particularly, described welding gun welds stator punching described in two or more simultaneously.
Particularly, be formed with discharging chamber further in described lower mold assemblies, described discharging chamber is communicated with in the bottom of described lock chambers, and the lateral dimension in described discharging chamber is greater than the lateral dimension of described lock chambers.
Particularly, described manufacturing installation comprises further: stripper, and described stripper is located in described discharging chamber and shifts out in described discharging chamber for by described stator core.
Particularly, described stripper can be located in described discharging chamber horizontal extension.
Particularly, described welding gun is laser welding gun.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the manufacturing installation for the manufacture of compressor stator iron core according to the embodiment of the present invention;
Fig. 2 is the partial schematic diagram of the manufacturing installation shown in Fig. 1;
Fig. 3 is the partial side view of manufactured device in Fig. 2;
Fig. 4 is the part sectioned view of manufactured device in Fig. 3;
Fig. 5 is the schematic diagram of the stator core according to the embodiment of the present invention.
Reference numeral:
100: manufacturing installation; 101: punching mechanism; 102: laser soldering device;
1: matrix cavity; 2: lock chambers; 3: discharging chamber; 4: locking member; 5: bracket; 7: stripper;
6: welding gun; 61: power supply; 62: laser generator;
63: laser optical cable; 631: cable shield installing rack; 64: laser welding gun;
200: stator core; 201: stator punching; 202: weld seam groove.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Describe the manufacturing installation 100 for the manufacture of compressor stator iron core 200 according to the embodiment of the present invention below with reference to Fig. 1-Fig. 5, wherein, stator core 200 comprises the multiple stator punchings 201 be axially connected.Because other configuration examples of compressor are all known as compressing mechanism etc. and operation for those of ordinary skills, be not described in detail here.
As shown in Figure 2, according to the manufacturing installation 100 for the manufacture of compressor stator iron core 200 of the embodiment of the present invention, comprising: lower mold assemblies, punch, locking member 4, bracket 5 and welding gun 6.
Particularly, be formed with the matrix cavity 1 and lock chambers 2 that are communicated with up and down and the weld bond being communicated to lock chambers 2 sidewall in lower mold assemblies, the rifle head of welding gun 6 is communicated to weld bond.Such as in the figure 2 example, the top of matrix cavity 1 is opened wide, the bottom of matrix cavity 1 is communicated with the top of lock chambers 2, weld bond is communicated with the sidewall of lock chambers 2, the top that punch can be located at lower mold assemblies up or down stamps out stator punching 201 to coordinate with matrix cavity 1, that is, when there being plate to be arranged on the top of matrix cavity 1, punch can move down in matrix cavity 1, stator punching 201 is stamped out from plate to coordinate with matrix cavity 1, after this, punch can move to the top of matrix cavity 1 above to treat punching press again, and the stator punching 201 after punching press can be displaced downwardly in lock chambers 2 under gravity.
Further, with reference to Fig. 2, locking member 4 is located in lock chambers 2 stator punching 201 be displaced downwardly to from matrix cavity 1 for locking and release in lock chambers 2, alternatively, the cross-sectional area of lock chambers 2 can from up to down reduce gradually, can slowly fall to make stator punching 201, when stator punching 201 moves to the position relative with locking member 4, stator punching 201 can be locked by locking member 4, no longer move down to make stator punching 201, and the current location in lock chambers 2 stops, after locking member 4 discharges stator punching 201, stator punching 201 can continue to move down under gravity.
As shown in Figure 2, bracket 5 to be located in lock chambers 2 and to be positioned at the below of locking member 4, thus bracket 5 can hold up the stator punching 201 moved down through locking member 4, that is, when stator punching 201 do not locked by locking member 4, or after locking member 4 discharges stator punching 201, stator punching 201 can move down and pile up and is pressed on bracket 5 and no longer free fall occurs.
Like this, with reference to Fig. 2-Fig. 4, the stator punching 201 of locking due to locking member 4 rests in lock chambers 2, and the stator punching 201 on bracket 5 also rests in lock chambers 2, thus welding gun 6 can weld stator punching 201 static between locking member 4 with bracket 5.Wherein, welding gun 6 only can weld two neighbouring stator punchings 201, now, just once weld after every punching press a slice stator punching 201, thus can enhance productivity, certainly, welding gun 6 can also weld two or more stator punching 201 simultaneously, that is, can the first stator punching 201 of some under punching press, then once weld, thus it is easy to operate, and repeatedly locking and the release movement of locking member 4 can be avoided, and then reduce power consumption, save cost.
Like this, because manufacturing installation 100 comprises locking member 4 and bracket 5, thus stator punching 201 to be welded can be made to weld when position is fixing, and then guarantee that welding position is accurate, improve welding effect, make the weld strength of stator core 200 good, reliability is high.
In addition, because stator punching 201 freely slowly can fall in lock chambers 2, thus can avoid occurring between the sidewall of stator punching 201 and lock chambers 2 to wear and tear and cause the problems such as stator core 200 loss, and then the efficiency of stator core 200, motor and even compressor can be ensured.And, by arranging bracket 5, the stator core 200 welded can be avoided to fall and the problem such as to be damaged, guaranteeing the efficiency of stator core 200, motor and even compressor further.
According to the manufacturing installation 100 for the manufacture of compressor stator iron core 200 of the present invention, because stamping technology and solder technology combine by manufacturing installation 100, in the ongoing process of high speed stamping, welding gun 6 can be adopted in lock chambers 2, the laser welding technology of such as laser welding gun carries out cylindrical welding to stator punching 201, obtain stator core 200, the stator core 200 obtained like this is without button riveting point, form and position tolerance is good, and then reduce the iron loss of motor, improve electric efficiency, ensure the weld strength of stator core 200 and single product size, meet production demand.And, when an employing punching press is with when once welding the processing technology of synchronously carrying out, effectively improve production efficiency.To sum up, this manufacturing installation 100 can improve weld strength and the size qualification rate of stator core 200 effectively, reduction in the numbers of seconds, enhance productivity, reduce production cost, meet requirements of mass production, and effectively can reduce the iron loss of compressor electric motor, promote the electric efficiency of compressor.
Alternatively, welding gun 6 is laser welding gun 64, thus can improve welding effect, and is convenient to install.Particularly, laser welding gun 64 can be the part in laser soldering device 102, laser soldering device 102 can comprise: power supply 61, laser generator 62, laser optical cable 63, cable shield installing rack 631 and laser welding gun 64, wherein, the control signal end of laser generator 62 control end and punching mechanism 101 can compounding practice, thus ensure adjustable pulse signal, to guarantee a punching press and synchronously carrying out of once welding, realize reliability and coordinate.In addition, in manufacturing installation 100, independent smoke evacuation system and die cavity cooling system can also be comprised, processing can be realized better to make stator core 200.
Alternatively, locking member 4 can be located in lock chambers 2 horizontal extension.Such as in the figure 2 example, the sidewall of lock chambers 2 can be formed with the installing port run through, locking member 4 can stretch in the horizontal direction in lock chambers 2 or in lock chambers 2 and extract out, thus locking member 4 can be understood as telescopically is located in lock chambers 2.Thus, when needs locking stator punching 201, locking member 4 can be made to stretch in lock chambers 2, between inwall stator punching 201 being clamped in locking member 4 and lock chambers 2, when needs release stator punching 201, locking member 4 can be made to shift out lock chambers 2, to discharge stator punching 201.Wherein, locking member 4 can be cylinder.Certainly, the present invention is not limited thereto, locking member 4 can also be other mechanisms, and such as, locking member 4 can be mechanical card hand etc.
Alternatively, with reference to Fig. 3-Fig. 5, weld bond is multiple and is evenly spaced apart in the circumference of lock chambers 2, thus welding gun 6 can be set respectively in multiple weld bond, can weld multiple positions in the circumferential to make two neighbouring stator cores 200, thus, the weld strength of stator core 200 can be guaranteed, improve the structural reliability of stator core 200.Be understandable that, for the ease of the welding of stator core 200, the circumference of each stator core 200 can be formed with multiple weld seam groove 202, and multiple weld seam groove 202 distributing position is in the circumferential optimum and multiple weld bond one_to_one corresponding.
Particularly, be formed with discharging chamber 3 further in lower mold assemblies, discharging chamber 3 is communicated with the bottom in lock chambers 2, and the lateral dimension in discharging chamber 3 is greater than the lateral dimension of lock chambers 2.Thus, the stator core 200 welded in lock chambers 2 can drop in discharging chamber 3 in time, to carry out next step production technology, thus stator core 200 is avoided to rest in lock chambers 2 problem needing the stator punching 201 welded to cause space to disturb in lock chambers 2.
Further, manufacturing installation 100 comprises further: stripper 7, and stripper 7 is located in discharging chamber 3 and shifts out in discharging chamber 3 for by stator core 200.Like this, when the stator core 200 welded moves to the position relative with stripper 7, stator core 200 can be released discharging chamber 3 by stripper 7, thus facilitates technical staff to obtain stator core 200, and carries out next step processing.
Alternatively, stripper 7 can be located in discharging chamber 3 horizontal extension.Such as in the figure 2 example, the sidewall in discharging chamber 3 can be formed with the opening run through and feeding port, feeding port is relative in the radial direction in discharging chamber 3 with opening, stripper 7 can stretch in the horizontal direction in discharging chamber 3 or in discharging chamber 3 and extract out, when stator core 200 sent by needs, stripper 7 can be made to stretch in discharging chamber 3, to be sent from feeding port by stator core 200, then stripper 7 can be made to be recovered in opening from discharging chamber 3, with pending next discharging.Wherein, stripper 7 can be cylinder.Certainly, the present invention is not limited thereto, stripper 7 can be other mechanisms, and such as, stripper 7 can be mechanical card hand etc.
In an alternate embodiment of the present invention where, bracket 5 is configured to bracket 5 when stator punching 201 pile is pressed on bracket 5 and moves down the thickness of a stator punching 201, that is, bracket 5 can be moved down by the weight-driven of stator punching 201, in other words, stator punching 201 is applied to the power that bracket 5 moves down.Thus, can realize welding gun 6 well and only weld two neighbouring stator punchings 201, that is, by arranging this kind of bracket 5, what can realize that a punching press once welds well synchronously carries out, and then effectively improves production efficiency.
Such as in the figure 2 example, bracket 5 can move up and down between upper and lower stop, under initial condition, when namely bracket 5 there is no stator punching 201, bracket 5 can rest on top dead center position, after this, when a stator punching 201 drops on bracket 5, bracket 5 can move down the displacement of stator punching 201 thickness.
Thus, in the process manufacturing stator core 200, can first punching press first stator punching, and make first stator punching pile be pressed on bracket 5, now the upper surface of first stator punching and weld bond just right, then punching press second stator punching, when second stator punching move to its lower surface contact with the upper surface of first stator punching time, locking member 4 is driven to be locked in lock chambers 2 by second stator punching, now the lower surface of second sheet stator punching is also just right with weld bond, thus welding gun 6 can weld first stator punching and second stator punching.
After having welded, locking member 4 is driven to discharge second stator punching, thus second stator punching pile is pressed on first stator punching, and then pile is pressed on bracket 5, bracket 5 is made to move down the thickness of a stator punching again, now the upper surface of second stator punching can be just right with weld bond, then can punching press the 3rd stator punching, 3rd stator punching is locked by locking member 4 and is carried out its welding with second stator punching, so repeatedly, can weld and obtain whole stator core 200, then driven bracket 5 moves down that bracket 5 is held in the palm whole stator core 200 moves to discharging chamber 3, and drive stripper 7 that stator core 200 is sent discharging chamber 3.
In describing the invention, it will be appreciated that, term " " center ", " thickness ", " on ", D score, " level ", " vertically ", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection, can also be communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. for the manufacture of a manufacturing installation for compressor stator iron core, it is characterized in that, described stator core comprises the multiple stator punchings be axially connected, and described manufacturing installation comprises:
Lower mold assemblies, is formed with the matrix cavity be communicated with up and down and lock chambers and is communicated to the weld bond of described lock chambers sidewall in described lower mold assemblies;
Punch, the top that described punch can be located at described lower mold assemblies up or down stamps out described stator punching to coordinate with described matrix cavity;
Locking member, described locking member is located in described lock chambers the described stator punching be displaced downwardly to from described matrix cavity for locking and release in described lock chambers;
Bracket, described bracket is located at the described stator punching that in described lock chambers and the below being positioned at described locking member moves down through described locking member for picking-up; And
Welding gun, the rifle head of described welding gun is communicated to described weld bond for the described stator punching between the described locking member of welding and described bracket.
2. the manufacturing installation for the manufacture of compressor stator iron core according to claim 1, is characterized in that, described locking member can be located in described lock chambers horizontal extension.
3. the manufacturing installation for the manufacture of compressor stator iron core according to claim 1, is characterized in that, described carrier configuration becomes described bracket when a described stator punching pile is pressed on described bracket to move down the thickness of a described stator punching.
4. the manufacturing installation for the manufacture of compressor stator iron core according to claim 1, is characterized in that, described weld bond is multiple and is evenly spaced apart in the circumference of described lock chambers.
5. the manufacturing installation for the manufacture of compressor stator iron core according to claim 1, is characterized in that, described welding gun welds stator punching described in two or more simultaneously.
6. the manufacturing installation for the manufacture of compressor stator iron core according to claim 1, it is characterized in that, be formed with discharging chamber further in described lower mold assemblies, described discharging chamber is communicated with in the bottom of described lock chambers, and the lateral dimension in described discharging chamber is greater than the lateral dimension of described lock chambers.
7. the manufacturing installation for the manufacture of compressor stator iron core according to claim 6, it is characterized in that, described manufacturing installation comprises further: stripper, and described stripper is located in described discharging chamber and shifts out in described discharging chamber for by described stator core.
8. the manufacturing installation for the manufacture of compressor stator iron core according to claim 7, is characterized in that, described stripper can be located in described discharging chamber horizontal extension.
9. the manufacturing installation for the manufacture of compressor stator iron core according to any one of claim 1-8, is characterized in that, described welding gun is laser welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176505.8A CN104734435B (en) | 2015-04-13 | 2015-04-13 | Device for manufacturing compressor stator iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176505.8A CN104734435B (en) | 2015-04-13 | 2015-04-13 | Device for manufacturing compressor stator iron core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104734435A true CN104734435A (en) | 2015-06-24 |
| CN104734435B CN104734435B (en) | 2017-02-01 |
Family
ID=53457993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510176505.8A Active CN104734435B (en) | 2015-04-13 | 2015-04-13 | Device for manufacturing compressor stator iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104734435B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429384A (en) * | 2015-12-16 | 2016-03-23 | 嵊州市利达电器厂 | Stamping equipment applied to motor rotor punching sheet production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009297758A (en) * | 2008-06-16 | 2009-12-24 | Kuroda Precision Ind Ltd | Apparatus for manufacturing laminated iron core |
| CN102142743A (en) * | 2010-12-15 | 2011-08-03 | 兰州兰电电机有限公司 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
| CN202206265U (en) * | 2011-08-23 | 2012-04-25 | 江苏泽恩汽机车部品制造有限公司 | Circular-point type laminating and riveting die for motor stator core |
| CN203356324U (en) * | 2013-06-25 | 2013-12-25 | 宁波鸿达电机模具有限公司 | Stator and rotor single groove punching pneumatic composite die |
| CN204538915U (en) * | 2015-04-13 | 2015-08-05 | 广东美芝制冷设备有限公司 | For the manufacture of the manufacturing installation of compressor stator iron core |
-
2015
- 2015-04-13 CN CN201510176505.8A patent/CN104734435B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009297758A (en) * | 2008-06-16 | 2009-12-24 | Kuroda Precision Ind Ltd | Apparatus for manufacturing laminated iron core |
| CN102142743A (en) * | 2010-12-15 | 2011-08-03 | 兰州兰电电机有限公司 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
| CN202206265U (en) * | 2011-08-23 | 2012-04-25 | 江苏泽恩汽机车部品制造有限公司 | Circular-point type laminating and riveting die for motor stator core |
| CN203356324U (en) * | 2013-06-25 | 2013-12-25 | 宁波鸿达电机模具有限公司 | Stator and rotor single groove punching pneumatic composite die |
| CN204538915U (en) * | 2015-04-13 | 2015-08-05 | 广东美芝制冷设备有限公司 | For the manufacture of the manufacturing installation of compressor stator iron core |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429384A (en) * | 2015-12-16 | 2016-03-23 | 嵊州市利达电器厂 | Stamping equipment applied to motor rotor punching sheet production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104734435B (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203110029U (en) | Hole waste discharge jig | |
| CN204538915U (en) | For the manufacture of the manufacturing installation of compressor stator iron core | |
| CN202701201U (en) | Punching die scrap material ejecting mechanism | |
| CN104734435A (en) | Device for manufacturing compressor stator iron core | |
| CN210701811U (en) | Automatic angle modulation support stamping die unloads | |
| KR20110032481A (en) | Fine blanking apparatus | |
| CN107252847B (en) | Stamping upper die | |
| CN210703571U (en) | Efficient in-mold tapping device | |
| CN105408048B (en) | For the tool of multiple electric resistance welding elements to be arranged | |
| CN102069125A (en) | Straight line porous combination punching die | |
| CN101252091A (en) | Forming method of sliver hole on substrate and substrate structure | |
| CN201084676Y (en) | A manufacturing equipment which press-installs magnetron antenna caps and its special magnetron core tube | |
| CN211515724U (en) | Multi-channel metal shell horizontal stamping device | |
| CN209477097U (en) | A kind of molding stamping die of high-performance lens barrel | |
| KR102078599B1 (en) | Washer manufacturing equipment | |
| CN202479369U (en) | Cutting die and steel die combination mechanism applied to punching machine | |
| CN104275406A (en) | Continuous punching and blanking die | |
| CN102248063B (en) | Punching mechanism for punching die | |
| KR100932855B1 (en) | Coupling press apparatus | |
| CN205110602U (en) | Metal plate spare takes off material device | |
| CN202200005U (en) | Tool for synchronous press mounting of plurality of parts | |
| CN211938632U (en) | Automobile chassis rear arm upper inner side arm die | |
| CN214768247U (en) | Punching die with powerful stripping block | |
| CN211336735U (en) | Quick lower die dismounting structure of packaging machine die | |
| CN203527793U (en) | Tilted top structure of die and die with tilted top structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |