CN110341137B - Automobile rear door handle core-pulling mechanism - Google Patents
Automobile rear door handle core-pulling mechanism Download PDFInfo
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- CN110341137B CN110341137B CN201910715463.9A CN201910715463A CN110341137B CN 110341137 B CN110341137 B CN 110341137B CN 201910715463 A CN201910715463 A CN 201910715463A CN 110341137 B CN110341137 B CN 110341137B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3029—Handgrips
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a core pulling mechanism for a handle of a rear door of an automobile, which comprises a product and a lower template, wherein a rectangular column is arranged on the inner side wall of the product, a groove is arranged in the rectangular column along the axis direction of the rectangular column, an inverted buckle is arranged at the top of the groove, the core pulling mechanism also comprises a first mold core for forming the upper part of the groove, a second mold core for forming the lower part of the groove, a large slide block and a cylinder, a convex block used for forming the inverted buckle and protruding out of the upper surface of the first mold core is arranged on the upper surface of the first mold core, a first open slot is arranged on the lower template, the large slide block can be matched in the first open slot in a front-back sliding manner, the large slide block is driven by the cylinder, a first slide block is arranged at one end of the first mold core far away from the product, a second slide block is arranged at one end of the second mold core far away from the product, one end of the second slide block far away from the product is arranged on the large slide block, the invention provides a low-cost and high-efficiency core pulling mechanism for a rear door handle of an automobile.
Description
Technical Field
The invention relates to the field of injection molds, in particular to a core pulling mechanism for a handle of a rear door of an automobile.
Background
Along with the development of science and technology, the car becomes the general instrument of riding instead of walk of people gradually, the back doorknob is one of the component parts of car, general back doorknob apron is moulded plastics through injection mold and is formed, medial surface in the back doorknob apron is equipped with the rectangle post, establish the recess in the rectangle post, be equipped with the back-off at the recess top, need loose core to recess and back-off when moulding plastics, according to prior art, back doorknob apron mould needs two moulds, shaping recess and back-off respectively, can not once loose core to recess and back-off, and is with high costs, and is inefficient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the automobile rear door handle core pulling mechanism is low in cost and high in efficiency.
The technical scheme adopted by the invention is as follows: a core pulling mechanism for a handle of a rear door of an automobile comprises a product and a lower template, wherein a rectangular column is arranged on the inner side wall of the product, a groove is formed in the rectangular column along the axis direction of the rectangular column, an inverted buckle is arranged at the top of the groove, the core pulling mechanism further comprises a first mold core for forming the upper part of the groove, a second mold core for forming the lower part of the groove, a large sliding block and a cylinder, a convex block used for forming the inverted buckle and protruding out of the upper surface of the first mold core is arranged on the upper surface of the first mold core, a first open slot is formed in the lower template, the large sliding block can be in sliding fit with the first open slot in a front-back mode, the large sliding block is driven by the cylinder, a first sliding block is arranged at one end, away from the product, of the first mold core, a second sliding block is arranged at one end, away from the product, of the second mold core, is arranged on the large sliding block, and the first mold core and the second mold core are in sliding fit with each other, the second mold core can drive the convex block on the first mold core to be separated from the reverse buckle, and the large slide block drives the second mold core to move firstly and then drives the first mold core and the second mold core to move synchronously.
After adopting the structure, compared with the prior art, the invention has the following advantages: the first mold core and the second mold core are arranged, the first mold core is used for forming the upper part of the groove and the back-off part, the second mold core is used for forming the lower part of the groove, the first actuating cylinder drives the large slide block to move, the second slide block also moves along with the groove, the second mold core pulls core from the groove, the second mold core moves to drive the first mold core to move, the second mold core drives the convex block on the first mold core to separate from the back-off part, after the convex block on the first mold core completely separates from the back-off part, the large slide block drives the first mold core and the second mold core to move synchronously together to separate from the groove, and disposable core pulling of the groove and the back-off part is realized.
Preferably, the first mold core and the second mold core are in sliding fit, namely a C-shaped groove with an upward opening is formed in the upper surface of the second mold core, an I-shaped groove is formed in the lower surface of the first mold core and is in sliding fit in the C-shaped groove, the I-shaped groove is matched with the inclined surface of the C-shaped groove, the C-shaped groove and the I-shaped groove are matched with each other on the inclined surface, the first mold core can be driven to be separated from the inverted buckle, the first mold core and the second mold core are matched tightly, the structure is simple, and the reliability is high.
Preferably, the lower surface of the large sliding block is provided with a second open slot with a downward opening, a small sliding block is arranged in the second open slot, the small sliding block is positioned between the large sliding block and the first open slot and is in sliding fit with the large sliding block, the top of the second open slot is provided with a clamping slot, the bottom of the first open slot is provided with a delay slot, the clamping slot is positioned at one side of the delay slot close to a product, the upper surface of the small sliding block is provided with a through hole, a stop block is in vertical sliding fit in the through hole, the upper end of the stop block can be clamped in the clamping slot, the lower end of the stop block can be clamped in the delay slot, one end of the first sliding block, far away from the product, penetrates through the left side of the large sliding block and is arranged at the left side surface of the small sliding block, the stop block is clamped in the delay slot before the lug is separated from the reverse buckle, the stop block is clamped in the clamping slot after the first mold core is separated from the reverse buckle, and the small sliding block is arranged in the large sliding block, utilize little slider card earlier also namely dog card in the delay slot, little slider does not move big slider, little slider plays the guide effect this moment, big slider drives first mold core motion earlier, the left side of second open slot is slowly close to little slider, touch little slider until the left side of second open slot, the big slider of cylinder continuation drive, big slider promotes little slider, because little slider is connected with first slider, first slider also follows the motion, realize loosing core of back-off, the baffle lower extreme can slowly break away from the delay slot, baffle upward movement, block in the draw-in groove up to baffle upper end, little slider moves together with big slider this moment, demold completely up to first mold core and second mold core, moreover, the steam generator is simple in structure, high reliability, the draw-in groove is used for fixing a position little slider.
Preferably, the left side and the right side of the lower end of the stop block are inclined planes, the cross section of the delay groove is in an inverted isosceles trapezoid shape, the lower end of the stop block is matched with the inclined plane of the delay groove, the lower end of the stop block is separated from the delay groove when the large sliding block moves towards the direction far away from the product until the upper end of the stop block is clamped in the clamping groove, the lower end of the stop block is matched with the inclined plane of the delay groove, the stop block can be conveniently separated from the delay groove and clamped in the delay groove, and the reliability is high.
Preferably, the diameter of the upper end of the stopper is larger than that of the lower end of the stopper, so that the stopper is limited.
Preferably, the front side wall and the rear side wall of the second open slot are provided with guide blocks, the guide blocks are spaced from the top of the second open slot, the front side and the rear side of the upper end of the small sliding block are provided with protrusions, the protrusions are in sliding fit between the guide blocks and the second open slot, the small sliding block is prevented from being separated from the second open slot, and meanwhile the guide blocks play a role in guiding.
Preferably, a return spring is arranged between the left side surface of the small sliding block and the left side surface of the second opening groove, so that the large sliding block is convenient to return.
Preferably, the left end of the lower surface of the large sliding block is provided with a third opening groove, the left side of the third opening groove penetrates through the left side surface of the large sliding block, the right side of the third opening groove is communicated with the second opening groove, one end, far away from a product, of the second sliding block is clamped in the third opening groove, and the left end of the reset spring is arranged on the right side surface of the second sliding block, so that the first sliding block and the second sliding block can be conveniently reset.
Preferably, the first opening groove is an inclined surface, so that core pulling of the first mold core and the second mold core is facilitated.
Preferably, the upper surface of the second sliding block is provided with a fourth open groove, the first sliding block is in sliding fit with the fourth open groove, the structure is simple, and the second sliding block is convenient to drive the first sliding block to move.
Drawings
FIG. 1 is a front cross-sectional view of the automobile rear door handle core pulling mechanism of the present invention;
FIG. 2 is a perspective view of the automobile rear door handle core pulling mechanism of the present invention;
FIG. 3 is a perspective view of the automobile rear door handle core pulling mechanism with the product removed and the cylinder of the present invention;
FIG. 4 is a perspective view of a first slider and a second slider of the automobile rear door handle core pulling mechanism of the present invention;
FIG. 5 is a perspective view of an automotive rear door pull core pulling mechanism product of the present invention;
FIG. 6 is a perspective view of the lower template of the automobile rear door handle core-pulling mechanism.
The novel die comprises a die body, a product, 2, a rectangular column, 3, a groove, 4, an inverted buckle, 5, a first die core, 6, a second die core, 7, a convex block, 8, a lower die plate, 9, a large sliding block, 10, a first open slot, 11, a first sliding block, 12, a second sliding block, 13, a C-shaped slot, 14, an I-shaped slot, 15, a second open slot, 16, a small sliding block, 17, a clamping slot, 18, a delay slot, 19, a through hole, 20, a stop block, 21, a guide block, 22, a protrusion, 23, a reset spring, 24, a third open slot, 25, a fourth open slot, 26 and a cylinder.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in the figure, the invention provides a core pulling mechanism for a handle of a rear door of an automobile, which comprises a product 1 and a lower template 8, wherein a rectangular column 2 is arranged on the inner side wall of the product 1, a groove 3 is arranged in the rectangular column 2 along the axial direction of the rectangular column 2, an inverted buckle 4 is arranged at the top of the groove 3, the core pulling mechanism further comprises a first mold core 5 for forming the upper part of the groove 3, a second mold core 6 for forming the lower part of the groove 3, a large slide block 9 and a cylinder 26, a convex block 7 for forming the inverted buckle 4 and protruding out of the upper surface of the first mold core 5 is arranged on the upper surface of the first mold core 5, a first open slot 10 is arranged on the lower template 8, the large slide block 9 can be in sliding fit in the first open slot 10 in a front-back manner, the large slide block 9 is driven by the cylinder 26, a first slide block 11 is arranged at one end of the first mold core 5 far away from the product 1, a second slide block 12 is arranged at one end of the second mold core 6 far away from the product 1, the mold has the advantages that the first mold core 5 and the second mold core 6 are arranged, the first mold core 5 is used for forming the upper part of the groove 3 and the reverse buckle 4, the second mold core 6 is used for forming the lower part of the groove 3, the precursor actuating cylinder 26 drives the large slide block 9 to move, the second slide block 12 also moves along with the first mold core 5 and the second mold core 6, the second mold core 6 moves to drive the first mold core 5 to move, the second mold core 6 drives the lug 7 on the first mold core 5 to separate from the reverse buckle 4, and the large slide block 9 drives the first mold core 5 and the second mold core 6 together after the lug 7 on the first mold core 5 completely separates from the reverse buckle 4 Synchronous motion breaks away from recess 3 and realizes recess 3 and 4 disposable loose cores of back-off, and is with low costs, efficient.
The lower surface of the large sliding block 9 is provided with a second opening groove 15 with a downward opening, a small sliding block 16 is arranged in the second opening groove 15, the small sliding block 16 is positioned between the large sliding block 9 and the first opening groove 10, the small sliding block 16 is in sliding fit with the large sliding block 9, the top of the second opening groove 15 is provided with a clamping groove 17, the bottom of the first opening groove 10 is provided with a delay groove 18, the clamping groove 17 is positioned at one side of the delay groove 18 close to the product 1, the upper surface of the small sliding block 16 is provided with a through hole 19, a stop block 20 is in vertical sliding fit in the through hole 19, the upper end of the stop block 20 can be clamped in the clamping groove 17, the lower end of the stop block 20 can be clamped in the delay groove 18, one end of the first sliding block 11, far away from the product 1, penetrates through the left side of the large sliding block 9 and is arranged at the left side of the small sliding block 16, and the stop block 20 is clamped in the delay groove 18 before the bump 7 is separated from the reverse buckle 4, the stopper 20 is clamped in the clamping groove 17 after the first mold core 5 is separated from the reverse buckle 4, the small slider 16 is arranged in the large slider 9, the small slider 16 is firstly utilized to be clamped in the delay groove 18, namely the stopper 20 is clamped in the delay groove 18, the small slider 16 does not move the large slider 9, at the moment, the small slider 16 plays a role in guiding, the large slider 9 drives the first mold core 5 to move, the left side of the second opening groove 15 slowly approaches the small slider 16 until the left side of the second opening groove 15 touches the small slider 16, the air cylinder 26 continues to drive the large slider 9, the large slider 9 pushes the small slider 16, as the small slider 16 is connected with the first slider 11, the first slider 11 also moves along with the small slider, core pulling of the reverse buckle 4 is realized, the lower end of the baffle 20 can be separated from the delay groove 18 slowly, the baffle 20 moves upwards until the upper end of the baffle 20 is clamped in the clamping groove 17, at the moment, the small slider 16 moves together with the large slider 9 until the first mold core 5 and the second mold core 6 are completely demoulded, simple structure, the reliability is high, and draw-in groove 17 is the effect in order to fix a position little slider 16.
The left side and the right side of the lower end of the stop block 20 are inclined planes, the cross section of the delay groove 18 is in an inverted isosceles trapezoid shape, the lower end of the stop block 20 is matched with the inclined plane of the delay groove 18, the lower end of the stop block 20 is separated from the delay groove 18 when the large slide block 9 moves in the direction far away from the product 1 until the upper end of the stop block 20 is clamped in the clamping groove 17, the lower end of the stop block 20 is matched with the inclined plane of the delay groove 18, the stop block 20 is conveniently separated from the delay groove 18 and clamped in the delay groove 18, and the reliability is high.
The diameter of the upper end of the stop block 20 is larger than that of the lower end of the stop block 20, so that the stop block 20 is limited.
Second open slot 15's front and back both sides wall all be equipped with guide block 21, guide block 21 and second open slot 15 top have the interval, the front and back both sides of little slider 16 upper end all be equipped with arch 22, arch 22 sliding fit between guide block 21 and second open slot 15, prevent that little slider 16 from breaking away from second open slot 15, guide block 21 plays the guide effect simultaneously.
And a return spring 23 is arranged between the left side surface of the small sliding block 16 and the left side surface of the second opening groove 15, so that the large sliding block 9 is convenient to return.
The left end of big slider 9 lower surface be equipped with third opening groove 24, third opening groove 24 left side run through big slider 9 left surface, 24 right sides of third opening groove communicate with second open slot 15, second slider 12 one end card of keeping away from the product in third opening groove 24, reset spring 23 left end establish at second slider 12 right flank, be convenient for first slider 11 and second slider 12 reset.
The first opening groove 10 is an inclined plane, so that core pulling of the first mold core 5 and the second mold core 6 is facilitated.
Specifically, the principle of the invention is that a first mold core 5 and a second mold core 6 are arranged, the first mold core 5 is used for forming the upper part of a groove 3 and an inverted buckle 4, the second mold core 6 is used for forming the lower part of the groove 3, a large slide block 9 is driven by a first driving cylinder 26 to move, a second slide block 12 also moves along with the groove, so that the second mold core 6 looses the core from the groove 3, the second mold core 6 moves to drive the first mold core 5 to move, the second mold core 6 drives a convex block 7 on the first mold core 5 to be separated from the inverted buckle 4, and after the convex block 7 on the first mold core 5 is completely separated from the inverted buckle 4, the large slide block 9 drives the first mold core 5 and the second mold core 6 to synchronously move to be separated from the groove 3 to realize the one-time core pulling of the groove 3 and the inverted buckle 4, the cost is low, and the efficiency is high.
The action process is as follows: firstly, after injection molding is completed, a cylinder 26 is actuated, a piston rod of the cylinder 26 directly drives a large slide block 9 to move towards the direction outside a lower mold plate 8, a second slide block 12 is arranged on the large slide block 9, the second slide block 12 drives a second mold core 6 to loose core, the first mold core 5 is matched with the inclined surface of the second mold core 6, the second mold core 6 drives a convex block 7 on the first mold core 5 to be separated from an inverted buckle 4 in the core-pulling process, at the moment, the large slide block 9 is close to a small slide block 16, and the small slide block 16 is fixed because the lower end of a stop block 20 of the small slide block 16 is clamped in a delay groove 18; secondly, the cylinder 26 is continuously driven, the left side face of the second opening groove 15 is close to the small sliding block 16, the convex block 7 on the first mold core 5 is completely separated from the inverted buckle 4 at the moment, the large sliding block 9 continuously moves, the large sliding block 9 drives the small sliding block 16 to be separated from the delay groove 18 and simultaneously drives the second sliding block 12 to continuously loose the core, and the first mold core 5 and the second mold core 6 simultaneously loose the core from the groove 3 due to the synchronous movement of the first sliding block 11 and the second sliding block 12.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a mechanism of loosing core of car back doorknob, includes product (1) and lower bolster (8), product (1) inside wall be equipped with rectangle post (2), rectangle post (2) in be equipped with recess (3) along rectangle post (2) axis direction, the top of recess (3) be equipped with back-off (4), its characterized in that: the die comprises a first die core (5) used for forming the upper part of a groove (3), a second die core (6) used for forming the lower part of the groove (3), a large sliding block (9) and a cylinder (26), wherein a convex block (7) used for forming an inverted buckle (4) and protruding out of the upper surface of the first die core (5) is arranged on the upper surface of the first die core (5), a first open slot (10) is formed in a lower template (8), the large sliding block (9) can be in front-back sliding fit in the first open slot (10), the large sliding block (9) is driven by the cylinder (26), a first sliding block (11) is arranged at one end, far away from a product (1), of the first die core (5), a second sliding block (12) is arranged at one end, far away from the product (1), of the second sliding block (12) is arranged on the large sliding block (9), the die comprises a first die core (5) and a second die core (6) which are in sliding fit, wherein the second die core (6) can drive a convex block (7) on the first die core (5) to be separated from an inverted buckle (4), a large sliding block (9) drives the second die core (6) to move first and then drive the first die core (5) and the second die core (6) to move synchronously, a second opening groove (15) with a downward opening is formed in the lower surface of the large sliding block (9), a small sliding block (16) is arranged in the second opening groove (15), the small sliding block (16) is positioned between the large sliding block (9) and a first opening groove (10) and between the small sliding block (16) and the large sliding block (9) in sliding fit, a clamping groove (17) is formed in the top of the second opening groove (15), a delay groove (18) is formed in the bottom of the first opening groove (10), and the clamping groove (17) is positioned on one side, close to a product (1), of the delay groove (18), the upper surface of the small sliding block (16) is provided with a through hole (19), a stop block (20) is arranged in the through hole (19) in a vertically sliding fit mode, the upper end of the stop block (20) can be clamped in the clamping groove (17), the lower end of the stop block (20) can be clamped in the delay groove (18), one end, far away from the product (1), of the first sliding block (11) penetrates through the left side of the large sliding block (9) and is arranged on the left side face of the small sliding block (16), the stop block (20) is clamped in the delay groove (18) before the lug (7) is separated from the inverted buckle (4), and the stop block (20) is clamped in the clamping groove (17) after the first mold core (5) is separated from the inverted buckle (4).
2. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: first mold core (5) and second mold core (6) between sliding fit indicate that second mold core (6) upper surface is equipped with C type groove (13) that open side up, first mold core (5) lower surface be equipped with I type groove (14), I type groove (14) sliding fit in C type groove (13), I type groove (14) and C type groove (13) inclined plane cooperation.
3. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: the left side and the right side of the lower end of the stop block (20) are inclined planes, the cross section of the delay groove (18) is in an inverted isosceles trapezoid shape, the lower end of the stop block (20) is matched with the inclined plane of the delay groove (18), and the lower end of the stop block (20) is separated from the delay groove (18) when the large sliding block (9) moves in the direction far away from the product (1) until the upper end of the stop block (20) is clamped in the clamping groove (17).
4. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: the diameter of the upper end of the stop block (20) is larger than that of the lower end of the stop block (20).
5. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: the front and back both sides wall of second open slot (15) all be equipped with guide block (21), guide block (21) and second open slot (15) top have the interval, little slider (16) upper end around both sides all be equipped with arch (22), arch (22) sliding fit between guide block (21) and second open slot (15).
6. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: and a return spring (23) is arranged between the left side surface of the small sliding block (16) and the left side surface of the second opening groove (15).
7. The automobile rear door handle core pulling mechanism according to claim 6, characterized in that: the left end of big slider (9) lower surface be equipped with third opening groove (24), third opening groove (24) left side run through big slider (9) left surface, third opening groove (24) right side and second open slot (15) intercommunication, second slider (12) keep away from the one end card of product in third opening groove (24), reset spring (23) left end establish in second slider (12) right flank.
8. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: the first opening groove (10) is an inclined plane.
9. The automobile rear door handle core pulling mechanism according to claim 1, characterized in that: the upper surface of the second sliding block (12) is provided with a fourth opening groove (25), and the first sliding block (11) is in sliding fit in the fourth opening groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715463.9A CN110341137B (en) | 2019-08-05 | 2019-08-05 | Automobile rear door handle core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715463.9A CN110341137B (en) | 2019-08-05 | 2019-08-05 | Automobile rear door handle core-pulling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110341137A CN110341137A (en) | 2019-10-18 |
| CN110341137B true CN110341137B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715463.9A Active CN110341137B (en) | 2019-08-05 | 2019-08-05 | Automobile rear door handle core-pulling mechanism |
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| CN (1) | CN110341137B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168945B (en) * | 2020-01-10 | 2022-02-18 | 宁波方正汽车模具股份有限公司 | Forced releasing mechanism for air conditioner shell |
| CN113977876B (en) * | 2021-10-29 | 2024-04-30 | 鑫胜鑫精密科技(厦门)有限公司 | Material removing mechanism and injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203765860U (en) * | 2014-04-17 | 2014-08-13 | 无锡科创机械设计制造有限公司 | Slide block mechanism |
| CN207578974U (en) * | 2017-11-28 | 2018-07-06 | 吉利汽车研究院（宁波）有限公司 | A kind of sliding block core-pulling mechanism |
-
2019
- 2019-08-05 CN CN201910715463.9A patent/CN110341137B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203765860U (en) * | 2014-04-17 | 2014-08-13 | 无锡科创机械设计制造有限公司 | Slide block mechanism |
| CN207578974U (en) * | 2017-11-28 | 2018-07-06 | 吉利汽车研究院（宁波）有限公司 | A kind of sliding block core-pulling mechanism |
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| CN110341137A (en) | 2019-10-18 |
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