CN209832481U - Slide block anti-retreating structure for injection mold - Google Patents
Slide block anti-retreating structure for injection mold Download PDFInfo
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- CN209832481U CN209832481U CN201920239185.XU CN201920239185U CN209832481U CN 209832481 U CN209832481 U CN 209832481U CN 201920239185 U CN201920239185 U CN 201920239185U CN 209832481 U CN209832481 U CN 209832481U
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Abstract
The utility model relates to the technical field of molds, in particular to a slide block anti-moving structure for an injection mold, which comprises a hydraulic cylinder, a linkage seat, a slide block and a T-shaped block, wherein a piston shaft of the hydraulic cylinder is fixedly connected with the linkage seat, a longitudinal section of the T-shaped block is inserted into and fixedly connected with a first inclined plane of the linkage seat, the slide block is provided with a T-shaped slot, a transverse section of the T-shaped block is inserted into the T-shaped slot and can slide relative to the T-shaped slot in a demoulding state, the anti-moving structure also comprises a first locking block and a second locking block which are arranged at two ends of the linkage seat, the first locking block and the second locking block lock the slide block together in the injection molding state, the first locking block is inserted into the T-shaped slot and the slide block slides along the oblique direction of the T-shaped slot in the demoulding state, compared with the prior art, the first locking block and the second locking block support the slide block together in the injection molding state to prevent the slide block from, solves the problem that the sliding block slides under the action of extrusion force in the prior injection process.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to structure is prevented moving back by slider for injection mold.
Background
The slide block is a mold component which can slide in a direction perpendicular to the mold opening and closing direction or at a certain angle with the mold opening and closing direction during the mold opening action of the mold. The slide block is used under the condition that the mould can not be normally demoulded due to the product structure. In the manufacturing and production process of the mold, the design of the front mold oil cylinder core pulling mechanism is inevitable for a plurality of molds, when the core pulling mechanism is used, the mold closing force of an injection molding machine cannot lock the slide block, the slide block retreats under the action of the mold closing force at the moment is the most common failure mode of the core pulling mechanism, the failure of the core pulling mechanism can cause the defects of multiple glue, flash, burr and the like of the product, and further a series of linkage problems of mold development failure, mold testing frequency increase, cost great increase, product quality unqualified and the like are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough among the prior art, and provide one kind and prevent moving back effectual, long service life's slider prevents moving back the structure for injection mold.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a structure is prevented moving back by slider for injection mold, including the pneumatic cylinder, the linkage seat, slider and T type piece, the piston shaft and the linkage seat rigid coupling of pneumatic cylinder, the vertical section of T type piece inserts and the first inclined plane of rigid coupling at the linkage seat, T type fluting has been seted up to the slider, under the demoulding state, the horizontal section of T type piece inserts in the T type fluting and can slide for T type fluting, prevent moving back the structure still including setting up in first locking piece and the second locking piece at linkage seat both ends, under the state of moulding plastics, first locking piece and the common locking slider of second locking piece, under the drawing of patterns state, first locking piece inserts in the T type fluting, and the slider slides downwards along the fluting slope of T type.
A movable gap for the first locking block to insert is reserved between the T-shaped slot and the T-shaped block positioned in the T-shaped slot; in the demolding state, the first locking block is inserted into the movable gap.
Wherein, the length of the first locking block is less than or equal to the width of the T-shaped block and can pass through the T-shaped slot.
And in the injection molding state, the first locking block limits the slide block to slide along the inclined direction of the T-shaped slot.
And in the injection molding state, the second locking block limits the sliding block to slide downwards along the T-shaped groove in an inclined mode.
The bottom surface of the linkage seat consists of a horizontal first plane and an inclined first inclined surface, the top end surface of the sliding block consists of a second plane parallel to the first plane and a second inclined surface parallel to the first inclined surface, the second plane and the second inclined surface are correspondingly provided with a first right-angle notch and a second right-angle notch, the transverse surface of the first right-angle notch and the transverse surface of the second right-angle notch are both parallel to the second plane, the end part of the T-shaped block close to the first right-angle notch is fixedly connected with the first locking block, the first plane of the linkage seat close to the second right-angle notch is fixedly connected with the second locking block, and the transverse bottom end surface of the first locking block and the transverse bottom end surface of the second locking block are both parallel to the second plane; and in the die closing state, the bottom end surface of the first locking block props against the transverse surface of the first right-angle notch, and the transverse bottom end surface and the longitudinal side surface of the second locking block respectively prop against the transverse surface and the longitudinal surface of the second right-angle notch.
The utility model has the advantages that: the utility model provides a structure is prevented moving back by slider for injection mold compares with prior art, and under the state of moulding plastics, first locking piece and second locking piece support the slider together, prevent that the slider from sliding for the sliding seat, have solved in the past and have injected the effect of in-process slider receiving the extrusion force and gliding problem.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is the utility model provides a structure schematic diagram of structure under the compound die state is prevented moving back by slider for injection mold.
Fig. 2 is the utility model provides an exploded view of structure is prevented moving back by slider for injection mold.
Fig. 3 is the utility model provides a structure schematic diagram in the rear vision of structure is prevented moving back by slider for injection mold.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of another visual sense of the anti-receding structure of the slider for the injection mold of the present invention.
Fig. 6 is an enlarged view at B in fig. 5.
Fig. 7 is an exploded view of another visual aspect of a slide retaining structure for an injection mold according to the present invention.
Description of the drawings: the locking mechanism comprises a linkage seat 1, a first plane 11, a first inclined surface 12, a T-shaped block 2, a longitudinal section 21, a transverse section 22, a sliding block 3, a second plane 31, a second inclined surface 32, a T-shaped groove 33, a piston shaft 4, a hydraulic cylinder 5, a first right-angle notch 61, a transverse surface 611, a longitudinal surface 612, a second right-angle notch 62, a first locking block 7, a second locking block 8, a transverse bottom end surface 81, a longitudinal side surface 82 and a movable gap 9.
Detailed Description
The invention will be further described with reference to the following examples.
The utility model discloses a concrete implementation mode of structure is prevented moving back by slider for injection mold, as shown in fig. 1 and fig. 2, including pneumatic cylinder 5, linkage seat 1, slider 3 and T type piece 2, the piston shaft 4 and the linkage seat 1 rigid coupling of pneumatic cylinder 5, the bottom face of linkage seat 1 comprises the first inclined plane 12 of horizontally first plane 11 and slope, the vertical section 21 of T type piece 2 inserts and the rigid coupling is at the first inclined plane 12 of linkage seat 1, please see fig. 7, T type fluting 33 has been seted up to slider 3, under the assembled state, the horizontal section 22 of T type piece 2 inserts in T type fluting 33 and can slide for T type fluting 33, the top face of slider 3 comprises second plane 31 parallel with first plane 11 and the second inclined plane 32 parallel with first inclined plane 12.
For improvement, please refer to fig. 2, the second plane 31 and the second inclined plane 32 are respectively provided with a first right-angle notch 61 and a second right-angle notch 62, a transverse plane 611 of the first right-angle notch 61 and a transverse plane of the second right-angle notch 62 are both parallel to the second plane 31, the end of the T-shaped block 2 close to the first right-angle notch 61 is fixedly connected with a first locking block 7, the length of the first locking block 7 is less than or equal to the width of the T-shaped block 2 and can pass through the T-shaped slot 33, the first plane 11 of the linkage base 1 is fixedly connected with a second locking block 8, a transverse bottom end surface of the first locking block 7 and a transverse bottom end surface 81 of the second locking block 8 are both parallel to the second plane 31, and a movable gap 9 for the first locking block 7 to slide into the T-shaped slot 33 is left between the T-shaped slot 33 and the T-shaped block 2 located therein; in the clamped state, referring to fig. 4 and 6, the bottom end surface of the first locking block 7 abuts against the transverse surface 611 of the first right-angle notch 61, the longitudinal surface 612 of the first right-angle notch 61 does not contact with the first locking block 7, and the transverse bottom end surface 81 and the longitudinal side surface 82 of the second locking block 8 abut against the transverse surface and the longitudinal surface of the second right-angle notch 62, respectively.
Referring to fig. 1 to 7, in an injection state, a hydraulic cylinder 5 drives a piston shaft 4 to work, the piston shaft 4 drives a linkage seat 1 to move towards the left side of fig. 1, and the injection mold applies a pressure to a slider, so that a second inclined surface 32 of the slider 3 is attached to a first inclined surface 12 of the linkage seat 1 (a top surface of a transverse section of a T-shaped block 2 is close to a top surface in a T-shaped slot 33), and when the pressure is too high, the slider 3 has a tendency to slide along the first inclined surface 12 or the second inclined surface 32, and the anti-back structure of the embodiment limits the slider 3 from sliding along the inclined surfaces by respectively arranging a first locking block 7 and a first right-angle notch 61 which are clamped with each other and a second locking block 8 and a second right-angle notch 62 which are clamped with each other at left and right ends of the slider 3, and transverse surfaces of right-angle structures of the first right-angle notch 61 and the second right-angle notch 62 can bear the pressure applied by the T-shaped block 2 or the linkage seat 1 The vertical downward pressure, the longitudinal surface of the right-angle structure of the second right-angle notch 62 can bear the horizontal force preventing the slide block 3 from moving obliquely downward, so that the slide block can be prevented from retreating, and the service life of the demoulding mechanism is prolonged; in addition, a movable gap 9 for the first locking block 7 to slide into the T-shaped slot 33 is reserved between the T-shaped slot 33 and the T-shaped block 2 positioned in the T-shaped slot, when the mold is locked, the movable gap 9 is positioned at the upper part of the T-shaped block 2, and the first locking block 7 is positioned at the first right-angle notch 61; in the demoulding state, the movable gap 9 is positioned at the bottom of the T-shaped block 2, and the first locking block 7 is positioned in the T-shaped slot 33. In the demoulding process, pneumatic cylinder 5 drives piston shaft 4 and contracts towards the right of fig. 1 direction, and drive first locking piece 7 and translate right, first locking piece 7 slides in T type fluting 33, second locking piece 8 translates left and removes spacing to slider 3, then slider 3 can slide along second inclined plane 32, in order to realize the action of demoulding, in addition, the clearance 9 between T type fluting 33 and the T type piece 2, can provide the space of one section buffering for slider 3, in the course of the work, slider 3 can move behind the certain distance for linkage seat 1, just can receive the effect of pressure, avoid slider 3 instantaneous atress too big and cause the damage, further increase of service life.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a structure is prevented moving back by slider for injection mold, includes pneumatic cylinder, linkage seat, slider and T type piece, the piston shaft and the linkage seat rigid coupling of pneumatic cylinder, the vertical section of T type piece insert and the rigid coupling is at the first inclined plane of linkage seat, T type fluting has been seted up to the slider, and under the demoulding state, the horizontal section of T type piece inserts in the T type fluting and can slide for T type fluting, its characterized in that, prevent moving back the structure still including setting up in the first locking piece and the second locking piece at linkage seat both ends, under the state of moulding plastics, first locking piece and second locking piece lock the slider jointly, under the demoulding state, first locking piece inserts in the T type fluting, and the slider slides downwards along the fluting slope of T type.
2. The slide block anti-receding structure for the injection mold according to claim 1, wherein a movable gap for the first locking block to slide into the T-shaped slot is left between the T-shaped slot and the T-shaped block located in the T-shaped slot; and under the demoulding state, the T-shaped block slides into the movable gap, so that the first locking block slides into the T-shaped open groove.
3. The slide back prevention structure for an injection mold of claim 2, wherein the length of the first locking block is less than or equal to the width of the T-shaped block and can pass through the T-shaped slot.
4. The slide block retreat-preventing structure for an injection mold according to claim 1, wherein the first locking piece restricts the slide block from sliding in an oblique upward direction of the T-shaped groove in the injection state.
5. The slide block retreat-preventing structure for an injection mold according to claim 1, wherein the second locking block restricts the slide block from sliding obliquely downward along the T-shaped groove in the injection state.
6. The slide block anti-back structure for the injection mold as claimed in claim 1, wherein the bottom surface of the linkage seat is composed of a horizontal first plane and an inclined first inclined surface, the top end surface of the slide block is composed of a second plane parallel to the first plane and a second inclined surface parallel to the first inclined surface, the second plane and the second inclined surface are correspondingly provided with a first right-angle notch and a second right-angle notch, the transverse surface of the first right-angle notch and the transverse surface of the second right-angle notch are both parallel to the second plane, the end part of the T-shaped block close to the first right-angle notch is fixedly connected with the first locking block, the first plane of the linkage seat close to the second right-angle notch is fixedly connected with the second locking block, and the transverse bottom end surface of the first locking block and the transverse bottom end surface of the second locking block are both parallel to the second plane; and in the die closing state, the bottom end surface of the first locking block props against the transverse surface of the first right-angle notch, and the transverse bottom end surface and the longitudinal side surface of the second locking block respectively prop against the transverse surface and the longitudinal surface of the second right-angle notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239185.XU CN209832481U (en) | 2019-02-22 | 2019-02-22 | Slide block anti-retreating structure for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239185.XU CN209832481U (en) | 2019-02-22 | 2019-02-22 | Slide block anti-retreating structure for injection mold |
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| Publication Number | Publication Date |
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| CN209832481U true CN209832481U (en) | 2019-12-24 |
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| CN201920239185.XU Active CN209832481U (en) | 2019-02-22 | 2019-02-22 | Slide block anti-retreating structure for injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648804A (en) * | 2019-02-22 | 2019-04-19 | 南方佛吉亚汽车部件有限公司 | A kind of injection mold sliding block anti-back structure |
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2019
- 2019-02-22 CN CN201920239185.XU patent/CN209832481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648804A (en) * | 2019-02-22 | 2019-04-19 | 南方佛吉亚汽车部件有限公司 | A kind of injection mold sliding block anti-back structure |
| CN109648804B (en) * | 2019-02-22 | 2024-05-10 | 南方佛吉亚汽车部件有限公司 | Sliding block anti-retreating structure for injection mold |
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