Inclined top inner pulling structure of sliding block

Abstract

The utility model belongs to the field of automobile injection molds, and particularly relates to a sliding block pitched roof inner pulling structure which comprises a large sliding block, a T-shaped pitched roof, a T-shaped sliding block, a wear-resisting plate, a pressing plate, a sliding fixing block, two nitrogen springs and two limiting rods, and the T-shaped pitched roof, the T-shaped sliding block, the wear-resisting plate, the pressing plate, the sliding fixing block, the two nitrogen springs and the two limiting rods are all installed in the large sliding block. The front portion of the top of the T-shaped sliding block inclines downwards, the rear portion of the top of the T-shaped sliding block is a horizontal plane, the bottom of the T-shaped pitched roof is installed on the front portion of the top of the T-shaped sliding block in a sliding mode, the rear end of the T-shaped pitched roof is fixed to the wear-resisting plate, and the rear end of the T-shaped sliding block is fixed to the middle of the front end of the sliding fixing block. The pressing plate is fixed to the large sliding block, the bottom face of the pressing plate makes contact with the horizontal plane of the T-shaped sliding block, and the front face of the pressing plate makes contact with the back face of the wear-resisting plate. The utility model solves the problems of high cost and complex die in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile injection mold, concretely relates to a slider inclined ejection inner extraction structure. BACKGROUND

[0002] For the inherent slider movement direction of plastic mold product, there are other reverse buckles, at present, the inclined ejection structure is generally designed in the slider. Figure 1 As shown in the figure, due to the limitation of product features, there are higher positioning size requirements, so the general peripheral large slider adopts oil cylinder extraction, and the inclined ejection structure is designed inside. At present, this structure is complex, the mold has the risk of sticking, the maintenance is more troublesome after the mold is disassembled, and the cost is relatively high. UTILITY MODEL CONTENT

[0003] In order to solve the above problems existing in the prior art, the utility model provides a slider inclined ejection inner extraction structure, through the cooperation of T-shaped inclined ejection, T-shaped sliding block, sliding fixed block and nitrogen spring, the T-shaped inclined ejection moves downward to escape the reverse buckle on the product, and then the large slider is moved backward to escape the whole product, so as to solve the original high cost and complex mold problem.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a slider inclined ejection inner extraction structure, which comprises a large slider, a T-shaped inclined ejection, a T-shaped sliding block, a wear plate, a pressing plate, a sliding fixed block, two nitrogen springs and two limiting rods, the T-shaped inclined ejection, the T-shaped sliding block, the wear plate, the pressing plate, the sliding fixed block, the two nitrogen springs and the two limiting rods are all installed in the large slider, the front part of the top of the T-shaped sliding block is inclined downward, and the rear part is a horizontal surface, the bottom of the T-shaped inclined ejection is slidingly installed at the top of the front part of the T-shaped sliding block, the rear end of the T-shaped inclined ejection is fixed with the wear plate, the rear end of the T-shaped sliding block is fixed in the middle of the front end of the sliding fixed block, the two nitrogen springs are installed in the two sides of the front end of the sliding fixed block, the pressing plate is fixed on the large slider, and the bottom surface thereof is in contact with the horizontal surface of the T-shaped sliding block, and the front surface thereof is in contact with the rear surface of the wear plate, the two limiting rods are inserted into the two sides of the large slider, and the top ends thereof are inserted into the two sides of the sliding fixed block, when the mold is opened, the two nitrogen springs are popped out on the large slider, so as to reversely push the sliding fixed block and the T-shaped sliding block to retreat in the large slider, so that the T-shaped inclined ejection moves downward, until the sliding fixed block is limited by the two limiting rods, and the movement is stopped.

[0005] Further, a hollow groove matched with the T-shaped inclined ejection, the T-shaped sliding block, the wear plate, the pressing plate and the sliding fixed block is formed in the middle of the large slider, and holes matched with the limiting rods are formed in the two sides of the large slider.

[0006] Further, the T-shaped inclined ejection is inclined downward to the front part, the bottom of the T-shaped inclined ejection is provided with a T-shaped block, the top front part of the T-shaped sliding block is provided with a T-shaped groove matched with the T-shaped block, and the length of the T-shaped block is longer than that of the T-shaped groove.

[0007] Further, spring holes matched with nitrogen gas springs are arranged on both sides of the front end of the sliding fixed block, and limiting grooves matched with limiting rods are arranged on both sides of the sliding fixed block, and the limiting grooves are arranged in the front and back moving direction.

[0008] Compared with the prior art, the beneficial effects of the utility model are that: the utility model cooperates T-shaped inclined top, T-shaped sliding block, sliding fixed block and nitrogen gas spring, under the action force of the nitrogen gas spring, makes the T-shaped inclined top move downward and get out of the reverse buckle on the product through the T-shaped sliding block, then moves the big sliding block backward and gets out of the whole product, so as to realize the difficult problem that the mold does not need to design the complex structure of the inclined top in the sliding block, and the mechanical form structure is small, convenient to disassemble and assemble, low in cost, solves the stability of production and is more convenient to maintain; the utility model occupies small space, is low in mold cost, convenient to disassemble, stable in structure, the product after demolding will not produce flash and section difference, thereby greatly reduces the risk in the production process. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a prior art structure schematic diagram;

[0010] Figure 2 It is a structure schematic diagram of the utility model;

[0011] Figure 3 It is an explosion view of the utility model;

[0012] Figure 4 It is a structure schematic diagram of the utility model T-shaped inclined top, T-shaped sliding block, wear plate, pressing plate, sliding fixed block, two nitrogen gas springs and two limiting rods after assembly;

[0013] Figure 5 It is an internal section view of the utility model after assembly;

[0014] Figure 6 It is a section view when the utility model T-shaped inclined top gets out of the reverse buckle of the product;

[0015] Figure 7 It is Figure 6 It is an enlarged view of A in the middle;

[0016] Figure 8 It is a section view when the utility model completely demolds. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 2-8 The utility model provides the following technical scheme: a slider inclined roof inner extraction structure, including big slider 2, T type inclined roof 3, T type sliding block 4, wear plate 5, pressing plate 6, sliding fixed block 7, two nitrogen gas springs 8 and two limit rods 9, T type inclined roof 3, T type sliding block 4, wear plate 5, pressing plate 6, sliding fixed block 7, two nitrogen gas springs 8 and two limit rods 9 are all installed in big slider 2, big slider 2, T type inclined roof 3 and T type sliding block 4 front end are contacted with product 1 face, T type inclined roof 3 front end upside is inverted in product 1 recess 11, T type inclined roof 3 is located on T type sliding block 4, the front portion of T type sliding block 4 top is inclined downward, and the rear portion is horizontal plane, T type inclined roof 3 bottom is slidably installed in T type sliding block 4 top front portion, T type inclined roof 3 can be inclined downward sliding on T type sliding block 4, T type sliding block 4 rear end is fixed in the middle of sliding fixed block 7 front end, two nitrogen gas springs 8 are installed in the both sides of sliding fixed block 7 front end, pressing plate 6 is fixed on big slider 2 and its bottom surface is contacted with the horizontal plane of T type sliding block 4, and its front face is contacted with the rear face of wear plate 5, two limit rods 9 are inserted into the both sides of big slider 2 and its top end is inserted into the both sides of sliding fixed block 7, when the mould is opened, two nitrogen gas springs 8 are ejected on big slider 2, thereby reversely pushing sliding fixed block 7 and T type sliding block 4 to retreat in big slider 2, when T type sliding block 4 retreats, big slider 2 does not move, thus pressing plate 6 does not move, but the top horizontal plane of T type sliding block 4 retreats, and the horizontal plane of T type sliding block 4 is always contacted with pressing plate 6, since T type inclined roof 3 bottom is slidably installed in T type sliding block 4 top front portion, T type sliding block 4 retreats, thereby making T type inclined roof 3 move downward, wear plate 5 at the rear end of T type inclined roof 3 protects T type inclined roof 3 from being damaged after moving for many times, and wear plate 5 also moves downward in the movement, but is always contacted with pressing plate 6, the setting of pressing plate 6 makes T type inclined roof 3 move more stably, can improve the quality of demoulding at recess 11 on product 1, and does not produce flash and section difference, T type sliding block 4 always retreats until sliding fixed block 7 is limited by two limit rods 9 and stops moving, at this time, upside of T type inclined roof 3 front end has separated from recess 11 on product 1, the moving distance of T type inclined roof 3 downward is a, and a is 14mm, the utility model is small in mechanical form structure, small in occupied space, low in mould cost, convenient to disassemble and stable in structure.

[0019] Specifically, the middle of the large slider 2 is provided with a hollow groove 21 matched with the T-shaped inclined top 3, the T-shaped sliding block 4, the wear plate 5, the pressing plate 6 and the sliding fixed block 7, the T-shaped inclined top 3, the T-shaped sliding block 4, the wear plate 5, the pressing plate 6 and the sliding fixed block 7 are assembled and then fitted into the hollow groove 21, the T-shaped sliding block 4 and the sliding fixed block 7 can slide along the bottom surface of the hollow groove 21, the both sides of the large slider 2 are provided with holes 22 matched with the limiting rods 9, the two limiting rods 9 are inserted into the holes 22 on both sides, and the holes 22 on both sides penetrate the large slider 2 so that the top ends of the two limiting rods 9 are also inserted into the both sides of the sliding fixed block 7, when the sliding fixed block 7 retreats a distance, the limiting rods 9 limit the sliding fixed block 7.

[0020] Specifically, the T-shaped inclined top 3 is inclined downward to the front part, the bottom of the T-shaped inclined top 3 is provided with a T-shaped block 31, the top of the front part of the T-shaped sliding block 4 is provided with a T-shaped groove 41 matched with the T-shaped block 31, the T-shaped block 31 is slidingly inserted into the T-shaped groove 41, and the length of the T-shaped block 31 is longer than that of the T-shaped groove 41, when installed on the mold in the initial position, the rear end of the T-shaped inclined top 3 is inclined and protrudes above the T-shaped groove 41, with the retreat of the T-shaped sliding block 4, the T-shaped inclined top 3 gradually moves downward, and finally stops, at this time, the wear plate 5 at the rear end of the T-shaped inclined top 3 is just moved to the horizontal plane at the rear part of the T-shaped sliding block 4.

[0021] Specifically, the front end of the sliding fixed block 7 is provided with spring holes 71 matched with the nitrogen gas springs 8, the two nitrogen gas springs 8 are fitted into the spring holes 71 on both sides, after being fitted into the large slider 2, the nitrogen gas springs 8 are in contact with the large slider 2, the both sides of the sliding fixed block 7 are provided with limiting grooves 72 matched with the limiting rods 9, the limiting grooves 72 are provided in the front-rear movement direction, in the initial position, the limiting rods 9 are located at the rear end of the limiting grooves 72, when the sliding fixed block 7 retreats, the limiting rods 9 are fixed, the limiting grooves 72 retreat together until the limiting rods 9 limit the limiting grooves 72 to prevent the sliding fixed block 7 from continuing to retreat, and the movement stops.

[0022] The utility model installs and movement process is: first, the T type block 31 of T type inclined roof 3 lower part is installed in T type groove 41, then wear plate 5 is fixed with screw and T type inclined roof 3 rear end, again T type sliding block 4 rear end is fixed with screw in sliding fixed block 7 middle, at this moment, T type sliding block 4 bottom is lower than sliding fixed block 7 bottom, then nitrogen gas spring 8 is installed in spring hole 71 of sliding fixed block 7 front end both sides, then the above assembly good spare is installed in the hollow groove 21 of big sliding block 2 middle, again limit rod 9 is inserted in the hole 22 of big sliding block 2 both sides and limit rod 9 passes through big sliding block 2 rear and its top end is inserted in limit groove 72 rear end, finally, the pressing plate 6 is installed in big sliding block 2 and is fixed, like this, it has been assembled, at this moment, the front side of big sliding block 2 and the front side of T type inclined roof 3 and T type sliding block 4 are contacted with product 1, and T type inclined roof 3 front side upper end is located in the recess 11 of product 1.When the mould opens, two nitrogen gas springs 8 are ejected on big sliding block 2, thereby reversely pushing sliding fixed block 7 and T type sliding block 4 to retreat in big sliding block 2, because T type block 31 of T type inclined roof 3 bottom is slidably installed in T type groove 41 of T type sliding block 4 top front, T type sliding block 4 retreats, thereby making T type inclined roof 3 move downward, T type sliding block 4 retreats all the way until sliding fixed block 7 is limited by two limit rods 9, stops moving, at this moment, T type inclined roof 3 front end upper side has separated from the recess 11 on product 1, T type inclined roof 3 moves downward distance a, a is 14mm, finally, big sliding block 2 is driven to retreat 100mm rearward by oil cylinder, at this moment, big sliding block 2 drives the components in it to retreat, and the demolding of all back-off of product 1 is completed, thereby all back-off in product 1 is withdrawn.

[0023] When there is other back-off in the sliding block movement direction in product 1, the utility model can solve the problems of complex mould, large space occupation, difficult disassembly and maintenance and high cost, avoid the waste of production and manufacturing cost of mould, and avoid the expensive cost of mould later rectification.

[0024] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A slider and tilt-up inner extraction structure, characterized by, Including big slide block (2), T type inclined top (3), T type slide block (4), wear plate (5), pressing plate (6), slide fixed block (7), two nitrogen gas springs (8) and two limit rods (9), T type inclined top (3), T type slide block (4), wear plate (5), pressing plate (6), slide fixed block (7), two nitrogen gas springs (8) and two limit rods (9) are all installed in big slide block (2), the front of the top of T type slide block (4) is inclined downward, the rear is horizontal plane, the bottom of T type inclined top (3) is slidably installed in the front of the top of T type slide block (4), the rear end of T type inclined top (3) is fixed with wear plate (5), the rear end of T type slide block (4) is fixed in the middle of the front end of slide fixed block (7), two nitrogen gas springs (8) are installed in the two sides of the front end of slide fixed block (7), pressing plate (6) is fixed on big slide block (2) and its bottom surface is in contact with the horizontal plane of T type slide block (4), its front surface is in contact with the rear surface of wear plate (5), two limit rods (9) are inserted into the two sides of big slide block (2) and the top ends thereof are inserted into the two sides of slide fixed block (7), when the mold is opened, two nitrogen gas springs (8) are ejected on big slide block (2), thereby reversely pushing slide fixed block (7) and T type slide block (4) to retreat in big slide block (2), thereby making T type inclined top (3) move downward until slide fixed block (7) is limited by two limit rods (9) and stops moving.

2. A slide and tilt-up inner extraction structure according to claim 1, characterized in that, The middle of big slide block (2) is provided with a hollow groove (21) matched with T type inclined top (3), T type slide block (4), wear plate (5), pressing plate (6) and slide fixed block (7), and the two sides of big slide block (2) are provided with holes (22) matched with limit rods (9).

3. A slide and tilt-up inner extraction structure according to claim 2, characterized in that, T type inclined top (3) is inclined downward to the front, the bottom of T type inclined top (3) is provided with a T block (31), the front of the top of T type slide block (4) is provided with a T groove (41) matched with T block (31), and the length of T block (31) is longer than that of T groove (41).

4. A slide and tilt-up inner extraction structure according to claim 3, characterized in that, Spring holes (71) matched with nitrogen gas springs (8) are formed in the two sides of the front end of slide fixed block (7), limit grooves (72) matched with limit rods (9) are formed in the two sides of slide fixed block (7), and the limit grooves (72) are formed in the front-to-back moving direction.

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