CN203818483U - Injection mold of ferromagnetic ring concentrator - Google Patents
Injection mold of ferromagnetic ring concentrator Download PDFInfo
- Publication number
- CN203818483U CN203818483U CN201420236247.9U CN201420236247U CN203818483U CN 203818483 U CN203818483 U CN 203818483U CN 201420236247 U CN201420236247 U CN 201420236247U CN 203818483 U CN203818483 U CN 203818483U
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- Prior art keywords
- slide block
- patrix
- counterdie
- chamber
- magnetic guiding
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- Expired - Lifetime
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- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 230000005294 ferromagnetic effect Effects 0.000 title abstract 2
- 230000005291 magnetic effect Effects 0.000 claims abstract description 74
- 238000001746 injection moulding Methods 0.000 claims description 29
- 208000002925 dental caries Diseases 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold of a ferromagnetic ring concentrator. The lower surface of a first magnetic ring is attached to the upper surface of a step, the lower surface of each slider boss is pressed on the upper surface of the first magnetic ring, the thickness of the boss is matched with the distance between the first magnetic ring and a second magnetic ring, and the second magnetic ring is pressed on the upper surface of each slider boss and then pressed on the second magnetic ring by an upper mold; the front end of each slider is contacted with the magnetic rings through arc propping surfaces, and the rear end is limited by a stop block; the width of a first slider boss is just equal to the distance between two bulged teeth, and clamping grooves for fixing the bulged teeth are further formed in two sides of each boss; and supporting pillars for supporting the bulged teeth are arranged in an upper mold cavity and a lower mold cavity. Accordingly, the two magnetic rings are completely fixed in an injection mold cavities, and the relative positions of the two magnetic rings cannot be changed in the injection process; and injection products also have corresponding better properties, the magnetic conduction is smooth, and the accuracy of signal transmission is guaranteed.
Description
Technical field
The utility model relates to injection molding field, relates in particular to the injection mold of ring concentrator for a kind of torque sensor of vehicle electric steering.
Background technology
Electric power steering (EPS) comprises substantially: steering mechanism, torque sensor, controller (ECU).Torque sensor is as the neuron of EPS system, and perception driver is applied to the moment of torsion on steering wheel, is one of EPS key components and parts.Both at home and abroad the performance boost of non-contact torque sensor is never stopped, Japanese Jie Taigete company takes the mode of closed loop to improve the stability of magnetic conduction; Bourns, Inc. of the U.S. adopts the collection magnetic mode of large magnetic conduction face to increase magnetism guiding access, improves the reliability of signal; great Xing company of Korea S adopts the mode at little bending angle to reduce the loss in magnetic circuit, strengthens signal source.
Because the product cost of above-mentioned company is relatively high, the applicant's designed, designed, research and develop that a kind of cost is lower, preferably non-contact torque sensor of serviceability.As the ring concentrator structure of torque sensor core component as shown in Figure 1, its a pair of magnetic conduction snap ring is as shown in Figure 2 as skeleton, injection molded by thermoplastic polyester.This ring concentrator structural behaviour is intact, magnetism guiding access is smooth and easy, and cost is lower.
Magnetic conduction snap ring shown in Fig. 2 is non-enclosed circular ring structure, it is provided with side by side two lobe 1a that structure is identical on annulus end face, on the annulus relative with lobe 1a, be provided with opening 1b, unobstructed in order to ensure magnetic guiding loop magnetic circuit, two magnetic guiding loops that are oppositely arranged up and down must be parallel to each other, and lobe 1a overlaps with the projection of the position in the vertical direction of opening 1b.Because two magnetic guiding loops are separate, between its magnetic guiding loop, without any support connecting piece, in the process of injection moulding, how to ensure two relative positions between magnetic guiding loop, be the difficult problem that assistant officer is to be solved.
Summary of the invention
The technical problems to be solved in the utility model is to provide the special injection mold of ring concentrator shown in a kind of injection molding Fig. 1.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is as follows: a kind of ring concentrator injection mold, comprise upper die and lower die, described patrix is provided with injection hole, the bottom of described counterdie is provided with stripper apparatus, described counterdie comprises lower mold core and lower mode cavity, and the diameter of described lower mold core and the internal diameter of magnetic guiding loop match; The excircle of described lower mold core upwards extends to form the step for supporting magnetic guiding loop by the cavity of described lower mode cavity, and the position adapting with magnetic guiding loop lobe at the bottom of the chamber of described lower mode cavity is upwards extended and is provided with support column; Described patrix comprises upper mold core and upper cavity, the support column that is provided with cast gate at the bottom of the chamber of described upper cavity and adapts with magnetic guiding loop lobe; The surrounding of described lower mode cavity is also provided with multiple slide blocks for fixing magnetic guiding loop, comprise the 3rd slide block between the second slide block and lobe and the opening that the first slide block corresponding to magnetic guiding loop lobe one side, opening one side are corresponding, the front end of described slide block is provided with boss, spacing between the thickness of described boss and two magnetic guiding loops matches, and the front end of described slide block is also provided with the arc matching with magnetic guiding loop and compresses face; Spacing between the width of the boss on described the first slide block and two lobes matches, and described boss both sides are also provided with the draw-in groove of fixing lobe.
Further, described cast gate is along the circumferential direction evenly distributed with at least 2 at the bottom of the chamber of described upper cavity, and described cast gate place is provided with the projection by Di Xiang chamber, chamber extension, and described cast gate is located in described projection.
Further, described patrix top is provided with patrix fixed mount, described patrix is provided with running channel with the surface that patrix fixed mount contacts, and described running channel has the branch's running channel adapting with described cast gate quantity, and the end of described each branch running channel is communicated with corresponding cast gate.
Further, described the second slide block has two boss, respectively the corresponding two ends of supporting magnetic guiding loop opening.
Further, described counterdie is provided with slide block adapts and slides chamber, and the bottom of described slide block is provided with raised line, described in slide chamber bottom be provided with the chute matching with described raised line.
Further, slide the length in chamber described in the length of described slide block is less than, the lower surface of described patrix is being provided with block with the described corresponding position, chamber of sliding, and when described patrix and described counterdie matched moulds, described block is for limiting the position of described slide block.
Further, between described patrix and counterdie, be provided with lead and the pilot hole that at least two groups match each other.
Further, the removable bottom that is arranged at described counterdie of described stripper apparatus, on described stripper apparatus, be provided with multiple demoulding posts, described counterdie is provided with the demoulding hole that multiple and described demoulding post matches, at the bottom of the chamber of the die joint place of described counterdie, described lower mode cavity, described in slide and in chamber, be distributed with demoulding hole.
Further, be provided with at least 2 group injection moulding die cavitys between described patrix and counterdie, between described adjacent two injection moulding die cavitys, be provided with Four-slider, boss and arc that the two ends of described Four-slider are provided with mutual symmetry compress face.
Further, described Four-slider is provided with locating dowel, and described patrix is provided with the locating hole matching with described locating dowel.
The beneficial effect of ring concentrator injection mold of the present utility model is as follows:
(1) compress the draw-in groove of face and the first slide block by multiple slide block boss, arc, coordinate the support column of patrix and counterdie, two magnetic guiding loops are completely fixed in injection moulding die cavity, in the process of injection moulding, the relative position of two magnetic guiding loops can not change, the properties of product of injection mo(u)lding are intact, magnetism guiding access is smooth and easy, can ensure the accuracy of transmitting torque sensor signal;
(2) in the utility model, adopt the mode injection moulding of spot pouring mouth, and at the bottom of the chamber of the cast gate of spot pouring mouth higher than upper cavity, lower than the surface of product, the product surface of this mode injection mo(u)lding is smooth, does not need deburring;
(3) injection mold of the present utility model has two groups of injection moulding die cavitys, i.e. two products of injection moulding simultaneously once, and working (machining) efficiency is high, and processing cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of ring concentrator;
Fig. 2 is the magnetic guiding loop skeleton structure schematic diagram of ring concentrator shown in Fig. 1;
Fig. 3 is the structural representation of the present embodiment ring concentrator injection mold;
Fig. 4 is the structural representation of patrix;
Fig. 5 is the structural representation of upper mold core and upper cavity;
Fig. 6 is the structural representation of injection channel in patrix;
Fig. 7 is the structural representation of counterdie;
Fig. 8 is the structural representation of lower mold core and lower mode cavity;
Fig. 9 is the structural representation of the fixing magnetic guiding loop of each slide block;
Figure 10 is the structural representation of the fixing magnetic guiding loop of the first slide block;
Figure 11 is the structural representation of the first slide block;
Figure 12 is the structural representation of the second slide block;
Figure 13 is the structural representation of the 3rd slide block;
Figure 14 is the structural representation of Four-slider;
Description of reference numerals: 1-patrix, 1a-lobe, 1b-opening, 11-patrix fixed mount, 12-upper mold core, 13-upper cavity, 131-support column, 132-projection, 16-block, 2-counterdie, 22-lower mold core, 23-lower mode cavity, 25-step, 3-injection hole, 31-cast gate, 32-running channel, 40-slides chamber, 41-the first slide block, 42-the second slide block, 43-the 3rd slide block, 44-Four-slider, 401-boss, 402-arc compresses face, 403-raised line, 404-draw-in groove, 5-lead, 51-pilot hole, 6-stripper apparatus, 61-demoulding post, 62-demoulding hole.
Detailed description of the invention
Ring concentrator injection mold below in conjunction with accompanying drawing and concrete embodiment to the present embodiment and being described in further detail by the method for above-mentioned ring concentrator injection mold injection molding ring concentrator.
The ring concentrator injection mold of this enforcement as shown in Figure 3, comprises patrix 1 and counterdie 2, and its patrix 1 is provided with patrix fixed mount 11, is provided with injection hole 3 on patrix fixed mount 11.The bottom of its counterdie 2 is also provided with stripper apparatus 6, after injection moulding completes, for patrix 1 is separated with injection moulding die cavity with counterdie 2, moulding.
Figure 4 shows that the structural representation of the present embodiment patrix 1, it is provided with upper mold core 12 and upper cavity 13, is provided with cast gate 31 and the support column 131 that supports magnetic guiding loop lobe 1a in Fig. 2 at the bottom of the chamber of its upper cavity 13.In the present embodiment, adopt the injection moulding mode of spot pouring mouth, at the bottom of the chamber of upper cavity 13, be provided with multiple spot pouring mouths 31, the surface contacting with patrix fixed mount 11 on its patrix 12 is provided with running channel 32, as shown in Figure 6, its running channel 32 has multiple branches running channel, the quantity of its branch's running channel is consistent with the quantity of cast gate 31, and the end of its each branch running channel is communicated with corresponding cast gate 31.As shown in Figure 5, at the bottom of the chamber of upper cavity 13, be also provided with the projection 132 that quantity is identical with cast gate 31, and the opening of cast gate 31 is located in projection 132.The mode of this multiple spot pouring mouth 31 injection mouldings, the circulation of injected plastics material in die cavity is more even, simultaneously, because the opening of cast gate 31 is located in projection 132, the position of cast gate 31 is lower than the surface of product, the product of this mode injection moulding, its one-shot forming, surface smoothing, does not need deburring.
Figure 5 shows that the structural representation of the present embodiment counterdie 2, Fig. 6 is the structural representation of lower mold core 22 and lower mode cavity 23.As shown in Figure 5, Figure 6, counterdie 2 comprises lower mold core 22 and lower mode cavity 23, the diameter of its lower mold core 22 and the internal diameter of magnetic guiding loop match, at the bottom of the excircle of lower mold core 22 is by the chamber of lower mode cavity 23, upwards extend to form the step 25 for supporting magnetic guiding loop, and at the bottom of the chamber of lower mode cavity 23, be provided with the support column 131 for supporting magnetic guiding loop lobe 1a.
Around above-mentioned lower mode cavity 23, be provided with multiple chambeies 40 of sliding, in chamber 40, be provided with the slide block for fixing magnetic guiding loop with matching sliding, comprise the 3rd slide block 43 between magnetic guiding loop lobe 1a mono-side corresponding the first slide block 41, opening 1b mono-side corresponding the second slide block 42 and lobe 1a and opening 1b.The front end of its each slide block is provided with boss 401, and spacing between the thickness of boss 401 and two magnetic guiding loops matches, and is also provided with at the front end of its slide block the arc matching with magnetic guiding loop and compresses face 402.
As shown in figure 11, the spacing between the width of boss 401 and two lobe 1a matches the structure of above-mentioned the first slide block 41, and described boss 401 both sides are also provided with the draw-in groove 404 of fixing lobe 1a.Because magnetic guiding loop is non-enclosed construction, it has opening 1b, therefore, be for the two ends of opening 1b are accepted, prevent distortion, the structure of its second slide block 42 as shown in figure 12, there are two boss 401 of mutual symmetry, respectively the corresponding two ends of supporting magnetic guiding loop opening 1b.
As shown in Figure 11-Figure 13, on slide block, be also provided with raised line 403, be provided with in the bottom of sliding chamber 40 chute matching with it accordingly, so slide block can move linearly along chute sliding in chamber 40.It should be noted that, the length of its slide block is less than the length that slides chamber 40, as shown in Figure 4, is provided with block 16 on patrix 1.After patrix 1 and counterdie 2 matched moulds, its block 16 is positioned at the afterbody of slide block, and one end of slide block is contacted with magnetic guiding loop, and the other end contacts with block 16, is completely fixed sliding 40Zhong position, chamber.
In the present embodiment, as shown in Figure 9, Figure 10 is the fixed form of the first slide block 41 and magnetic guiding loop lobe 1a to the mode of the fixing magnetic guiding loop of each slide block.The upper surface laminating of the lower surface of its first magnetic guiding loop and step 25, the lower surface of each slide block boss 401 is pressed on the upper surface of first magnetic guiding loop, spacing between second magnetic guiding loop of THICKNESS CONTROL and first magnetic guiding loop of boss 401, its second magnetic guiding loop is pressed on the upper surface of each slide block boss 401, then is pressed on second magnetic guiding loop by patrix 1.The front end of its each slide block compresses face 402 by arc and contacts with magnetic guiding loop, and rear end is by block 16 restriction sites.The width of the first slide block 41 boss 401 is just in time two spacing between lobe 1a, and boss 401 both sides are also provided with the draw-in groove 404 of fixing lobe 1a.In upper cavity 13 and lower mode cavity 23, be provided with the support column 131 that supports lobe 1a.So, two magnetic guiding loops are completely fixed in injection moulding die cavity, and its relative position also can not change in injection moulding process.Its injecting products is corresponding better performances also, and magnetic conduction is unobstructed, has ensured the accuracy of transmission of signal.
For patrix 1 and the position reliability of counterdie 2 in matched moulds process, between its patrix 1 and counterdie 2, be provided with lead 5 and pilot hole 51 that at least two groups match each other.In the present embodiment, its lead 5 is located on patrix 1, and pilot hole 51 is located on counterdie 2, and its position can convert mutually, as long as play guide effect in matched moulds process.
The removable bottom that is arranged at counterdie 2 of stripper apparatus 6 in the present embodiment, it is provided with multiple demoulding posts 61, on counterdie 2, be provided with the demoulding holes 62 that multiple and demoulding post 61 match, at the bottom of the die joint place of its counterdie 2, the chamber of lower mode cavity 23, slide and be distributed with demoulding hole 62 in chamber 40.Stripper apparatus 6 be arranged so that the demoulding is convenient, after injection moulding, cooling completing, stripper apparatus 6 is up, under the effect of demoulding post 61, its patrix 1 departs from counterdie 2, and the ring concentrator structure of injection mo(u)lding and lower mode cavity depart from, and the ring concentrator structure of injection mo(u)lding can conveniently be taken out.
As shown in Fig. 4, Fig. 7, in order to improve the efficiency of injection moulding, the injection mold of the present embodiment has two groups of injection moulding die cavitys, between its two adjacent groups injection moulding die cavity, is provided with the Four-slider 44 shown in Figure 14, and the boss 401 that the two ends of its Four-slider 44 are provided with mutual symmetry compresses face 402 with arc.In order better to fix the position of Four-slider 44, on Four-slider 44, be provided with locating dowel 441, on patrix 1, be provided with the locating hole 442 matching with it.The mode of this one-in-and-two-out has improved injection moulding efficiency, has reduced production cost.It also can arrange more injection moulding die cavity, is not limited to two groups of injection moulding die cavitys of the present embodiment.
A method of utilizing the present embodiment injection mold injection molding ring concentrator, comprises the steps:
A. the position of counterdie 2 is fixed, successively described slide block is scratched;
B. first magnetic guiding loop is provided with to one end of lobe 1a upward, is placed in lower mold core 22, the upper surface laminating of the lower surface of its magnetic guiding loop and step 25, its lobe 1a is towards the first slide block 41 1 sides;
C. slip into the first slide block 41, adjust the position of first magnetic guiding loop, make the boss 401 of the first slide block 41 just in time between two lobe 1a;
D. slip into successively the second slide block 42, the 3rd slide block 43 and Four-slider 44, make the lower surface of described slide block boss 401 be pressed in the upper surface of first magnetic guiding loop, described arc compresses face 402 and is pressed on the outer circumference surface of the first magnetic guiding loop;
E. second magnetic guiding loop is provided with to one end of lobe 1a down, is placed in lower mold core 22, the upper surface laminating of the lower surface of its magnetic guiding loop and each slide block boss 401, two lobe 1a is positioned at the draw-in groove 404 of described the first slide block 41 boss 401 both sides;
F. under the guide effect of lead 5 and pilot hole 51, by described patrix 1 and counterdie 2 matched moulds;
G. liquid injected plastics material is injected by injection hole 3, be full of injection moulding cavity to injected plastics material;
H. be cooled to after preference temperature, the relative counterdie 2 of stripper apparatus is up, and under the active force of demoulding post 61, patrix 1 departs from counterdie 2, and the ring concentrator structure of injection mo(u)lding and lower mode cavity depart from, and the ring concentrator structure of injection mo(u)lding is taken out.
In the present embodiment, its injected plastics material is selected thermoplastic polyester.
In a word; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a ring concentrator injection mold, comprise patrix (1) and counterdie (2), described patrix (1) is provided with injection hole (3), the bottom of described counterdie (2) is provided with stripper apparatus (6), it is characterized in that: described counterdie (2) comprises lower mold core (22) and lower mode cavity (23), and the diameter of described lower mold core (22) and the internal diameter of magnetic guiding loop match; The excircle of described lower mold core (22) upwards extends to form the step (25) for supporting magnetic guiding loop by the cavity of described lower mode cavity (23), and the position adapting with magnetic guiding loop lobe (1a) at the bottom of the chamber of described lower mode cavity (23) is upwards extended and is provided with support column (131);
Described patrix (1) comprises upper mold core (12) and upper cavity (13), the support column (131) that is provided with cast gate (31) at the bottom of the chamber of described upper cavity (13) and adapts with magnetic guiding loop lobe (1a);
The surrounding of described lower mode cavity (23) is also provided with multiple slide blocks for fixing magnetic guiding loop, comprise the 3rd slide block (43) between the second slide block (42) and lobe (1a) and the opening (1b) that the first slide block (41) corresponding to magnetic guiding loop lobe (1a) side, opening (1b) side are corresponding, the front end of described slide block is provided with boss (401), spacing between the thickness of described boss (401) and two magnetic guiding loops matches, and the front end of described slide block is also provided with the arc matching with magnetic guiding loop and compresses face (402);
Spacing between width and two lobes (1a) of the boss (401) on described the first slide block (41) matches, and described boss (401) both sides are also provided with the draw-in groove (404) of fixing lobe (1a).
2. according to ring concentrator injection mold claimed in claim 1, it is characterized in that: described cast gate (31) is along the circumferential direction evenly distributed with at least 2 at the bottom of the chamber of described upper cavity (13), described cast gate (31) is located to be provided with the projection (132) by Di Xiang chamber, chamber extension, and described cast gate (31) is located in described projection (132).
3. according to ring concentrator injection mold claimed in claim 2, it is characterized in that: described patrix (1) top is provided with patrix fixed mount (11), the surface that described patrix (1) contacts with patrix fixed mount (11) is provided with running channel (32), described running channel (32) has the branch's running channel adapting with described cast gate (31) quantity, and the end of described each branch running channel is communicated with corresponding cast gate (31).
4. according to ring concentrator injection mold claimed in claim 1, it is characterized in that: described the second slide block (42) has two boss (401), respectively the corresponding two ends of supporting magnetic guiding loop opening (1b).
5. according to the ring concentrator injection mold described in claim 1-4 any one, it is characterized in that: described counterdie (2) is provided with slide block adapts and slides chamber (40), the bottom of described slide block is provided with raised line (403), described in slide chamber (40) bottom be provided with the chute matching with described raised line (403).
6. according to ring concentrator injection mold claimed in claim 5, it is characterized in that: the length that slides chamber (40) described in the length of described slide block is less than, the lower surface of described patrix (1) is being provided with block (16) with the described corresponding position, chamber (40) of sliding, when described patrix (1) and described counterdie (2) matched moulds, described block (16) is for limiting the position of described slide block.
7. according to the ring concentrator injection mold described in claim 1 or 3 or 4 or 6 any one, it is characterized in that: between described patrix (1) and counterdie (2), be provided with lead (5) and pilot hole (51) that at least two groups match each other.
8. according to ring concentrator injection mold claimed in claim 6, it is characterized in that: the removable bottom that is arranged at described counterdie (2) of described stripper apparatus (6), on described stripper apparatus (6), be provided with multiple demoulding posts (61), described counterdie (2) is provided with the demoulding hole (62) that multiple and described demoulding post (61) matches, at the bottom of the chamber of the die joint place of described counterdie (2), described lower mode cavity (23), described in slide and in chamber (40), be distributed with demoulding hole (62).
9. according to the ring concentrator injection mold described in claim 1 or 3 or 4 or 6 any one, it is characterized in that: between described patrix (1) and counterdie (2), be provided with at least 2 group injection moulding die cavitys, between described adjacent two injection moulding die cavitys, be provided with Four-slider (44), the boss (401) that the two ends of described Four-slider (44) are provided with mutual symmetry compresses face (402) with arc.
10. according to ring concentrator injection mold claimed in claim 9, it is characterized in that: described Four-slider (44) is provided with locating dowel (441), described patrix (1) is provided with the locating hole (442) matching with described locating dowel (441).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236247.9U CN203818483U (en) | 2014-05-09 | 2014-05-09 | Injection mold of ferromagnetic ring concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236247.9U CN203818483U (en) | 2014-05-09 | 2014-05-09 | Injection mold of ferromagnetic ring concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818483U true CN203818483U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236247.9U Expired - Lifetime CN203818483U (en) | 2014-05-09 | 2014-05-09 | Injection mold of ferromagnetic ring concentrator |
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| Country | Link |
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| CN (1) | CN203818483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978638A (en) * | 2014-05-09 | 2014-08-13 | 杭州新世宝电动转向系统有限公司 | Magnet accumulation ring injection mould and injection moulding method of magnet accumulation ring |
| CN112721024A (en) * | 2020-11-30 | 2021-04-30 | 山东科技大学 | Manufacturing die and manufacturing method of conductivity probe of thermohaline depth measuring instrument |
-
2014
- 2014-05-09 CN CN201420236247.9U patent/CN203818483U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978638A (en) * | 2014-05-09 | 2014-08-13 | 杭州新世宝电动转向系统有限公司 | Magnet accumulation ring injection mould and injection moulding method of magnet accumulation ring |
| CN112721024A (en) * | 2020-11-30 | 2021-04-30 | 山东科技大学 | Manufacturing die and manufacturing method of conductivity probe of thermohaline depth measuring instrument |
| CN112721024B (en) * | 2020-11-30 | 2022-04-01 | 山东科技大学 | Manufacturing die and manufacturing method of conductivity probe of thermohaline depth measuring instrument |
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Granted publication date: 20140910 |