CN219466872U - Simple demolding mold structure of floating sliding block - Google Patents

Abstract

The utility model provides a simple demolding mold structure of a floating sliding block, which comprises a mother mold plate, a mold core and a pushing structure, wherein the pushing structure comprises a nylon shutter, a beam block, a first sliding block, a second sliding block and a pushing plate, a blind hole is formed in the mother mold plate, the upper end of the nylon shutter is arranged in the blind hole, the lower end of the nylon shutter is fixedly connected with the upper end of the beam block, a first conical surface and a second conical surface are respectively arranged on the left side and the right side of the beam block, the first sliding block and the second sliding block are respectively positioned on the left side and the right side of the beam block, a third conical surface complementary with the first conical surface is arranged on the first sliding block, a fourth conical surface complementary with the second conical surface is arranged on the second sliding block, the sliding blocks are embedded in grooves of the pushing plate, the pushing plate is arranged between the mold cores on the two sides, and the mother mold plate drives the nylon shutter to move up and down, so that the first sliding block, the second sliding block and the pushing plate can be pressed and loosened simultaneously. The pushing-out structure has the advantages of simple structure, small occupied space, and convenient and fast operation, and can simultaneously realize the die opening of products on two sides.

Description

Simple demolding mold structure of floating sliding block

Technical Field

The utility model relates to the technical field of injection molds, in particular to a simple demolding mold structure of a floating sliding block.

Background

The housing of the electric tool is generally formed by integrally injection molding with an injection mold, and a one-out-two injection mold, i.e., a one-out-two injection mold, is generally used. After injection molding, the injection molding machine is opened, the injection molding piece is required to be pushed out by means of the pushing mechanism, in the prior art, the injection molding piece is generally pushed out by adopting a mode of one pushing guide post and two pushing guide posts, so that two sets of sliding blocks and two sets of inclined guide posts are required to be designed on the push plate to push out two products respectively, a template is added in the mode of demolding, two binding blocks are added, the structural difficulty is artificially increased for the mold, the more complex the structure is on the mold, the larger the probability of relative errors is, the larger the occupied space of the pushing structure is, and the mold with insufficient space is not applicable to the mold.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: in order to overcome the defect of large occupied space of a push-out structure in the prior art, the utility model provides a simple mold-stripping structure of a floating sliding block.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a simple and easy demolding mould structure of slider floats, includes female template, mold core and sets up the ejecting structure between female template and mold core, ejecting structure includes nylon shutter, beam piece, first slider, second slider and push pedal, be equipped with the blind hole on the bottom surface of female template, the upper end setting of nylon shutter is in the blind hole, the lower extreme of nylon shutter and beam piece upper end fixed connection, the left and right sides of beam piece is equipped with first conical surface and second conical surface respectively, first slider and second slider are located the left and right sides of beam piece respectively, just be equipped with the third conical surface complementary with first conical surface on the first slider, be equipped with the fourth conical surface complementary with the second conical surface on the second slider, first slider and second slider all inlay in the recess of push pedal, the push pedal sets up between the mold core of both sides, compresses tightly and relaxes when driving nylon shutter up-down through female template, can realize between first slider, the second slider and the push pedal.

Further, in order to enable the bundle block to be pulled up fast and smoothly, the pushing structure further comprises a recovery spring, the recovery spring is arranged between the bottom of the bundle block and the pushing plate, a first spring hole is formed in the bottom of the bundle block, a second spring hole is formed in the pushing plate, and the upper end and the lower end of the recovery spring are respectively embedded into the first spring hole and the second spring hole.

Further, in order to limit the movement direction of the beam block, the first sliding block and the second sliding block, the beam block, the first sliding block and the second sliding block are prevented from moving upwards simultaneously, the pushing structure further comprises a first pressing bar and a second pressing bar, the first pressing bar and the second pressing bar are fixed on the pushing plate through screws, the two lateral sides of the beam block, the first sliding block and the second sliding block are respectively provided with a flying edge extending outwards, the pressing bars are pressed on the flying edges, and the flying edges can be clamped on the lower end faces of the pressing bars. The distance of the upward movement of the binding block is limited by the height of the pressing bar, when the binding block moves upward under the double functions of the nylon shutter and the reset spring, and after the flying edge is clamped on the pressing bar, the binding block stops moving upward, the master template continues to move upward, and at the moment, the nylon shutter is separated from the master template.

Further, in order to limit the mobile position of slider, still include location structure, location structure includes spacer sleeve, positioning spring and location pearl, be equipped with the spacer sleeve and settle the hole on the push pedal, the spacer sleeve is fixed and is being set up in the spacer sleeve is settled the hole, positioning spring sets up in the hole of spacer sleeve upper end, and the reference column is fixed in positioning spring's upper end, be equipped with at least one constant head tank that matches with the reference column on first slider and the second slider bottom surface. Through the cooperation of constant head tank and location pearl, can carry out spacingly to the position of slider to confirm its position.

The beneficial effects of the utility model are as follows: the simple demolding mold structure with the floating sliding blocks provided by the utility model has the advantages that two sliding blocks which are arranged on the pushing plate at 180 degrees are adopted to realize demolding, and the nylon shutter is used for replacing the demolding mode of the beam block and the plate, so that the simple demolding mold structure has the advantages of simple structure, small occupied space, capability of simultaneously realizing demolding of products on two sides, and convenience and rapidness in operation; and the cost of the die is reduced, and the die is convenient for later maintenance.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of a mold structure according to the present utility model.

Fig. 2 is a schematic top view of a mold structure.

FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 5 is a schematic cross-sectional structure of B-B in fig. 2.

Fig. 6 is an enlarged schematic view of the structure at B in fig. 5.

Fig. 7 is a schematic structural view of the push-out structure.

Fig. 8 is a schematic view of the structure of the push-out structure (with one side of the bead removed).

In the figure: 1. the mold comprises a mother mold plate, 2, a mold core, 3, a push plate, 4, a nylon shutter, 5, a beam block, 6, a first sliding block, 7, a second sliding block, 8, a screw, 9, a restoring spring, 10, a first pressing strip, 11, a second pressing strip, 12, a positioning spring, 13, a positioning bead, 14, a positioning sleeve, 15 and a flying edge.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

As shown in fig. 1-8, the simple demolding mold structure for the floating slide block comprises a master mold plate 1, a mold core 2 and a pushing structure arranged between the master mold plate 1 and the mold core 2, wherein the pushing structure comprises a nylon shutter 4, a beam block 5, a first slide block 6, a second slide block 7 and a push plate 3, a blind hole is formed in the bottom surface of the master mold plate 1, the upper end of the nylon shutter 4 is arranged in the blind hole, the lower end of the nylon shutter 4 is fixedly connected with the upper end of the beam block 5, a first conical surface and a second conical surface are respectively arranged on the left side and the right side of the beam block 5, the first slide block 6 and the second slide block 7 are respectively positioned on the left side and the right side of the beam block 5, a third conical surface which is complementary with the first conical surface is arranged on the first slide block 6, a fourth conical surface which is complementary with the second conical surface is arranged on the second slide block 7, the first slide block 6 and the second slide block 7 are embedded in a groove of the push plate 3, the push plate 3 is arranged between the mold cores 2 on the two sides, the nylon shutter 4 is driven by the master mold plate 1 to move up and down, and the first slide block 6 and the second slide block 7 can be compressed tightly and the push plate 3 simultaneously.

As shown in fig. 4, the pushing structure further includes a restoring spring 9, where the restoring spring 9 is disposed between the bottom of the bundle block 5 and the push plate 3, and a first spring hole is disposed at the bottom of the bundle block 5, a second spring hole is disposed on the push plate 3, and the upper and lower ends of the restoring spring 9 are respectively embedded into the first spring hole and the second spring hole. The pushing structure further comprises a positioning structure, the positioning structure comprises a positioning sleeve 14, a positioning spring 12 and a positioning bead 13, the push plate 3 is provided with a positioning sleeve arranging hole, the positioning sleeve 14 is fixed in the positioning sleeve arranging hole, the positioning spring 12 is arranged in an inner hole at the upper end of the positioning sleeve 14, a positioning column is fixed at the upper end of the positioning spring 12, and at least one positioning groove matched with the positioning column is formed in the bottom surfaces of the first sliding block 6 and the second sliding block 7.

As shown in fig. 6-8, the pushing structure further includes a first pressing strip 10 and a second pressing strip 11, the first pressing strip 10 and the second pressing strip 11 are both fixed on the push plate 3 through screws 8, two lateral surfaces of the beam block 5, the first sliding block 6 and the second sliding block 7 are both provided with a flying edge 15 extending outwards, and the pressing strips are pressed on the flying edge 15, so that the flying edge 15 can be clamped on the lower end surface of the pressing strip. The upward movement distance of the beam block 5, the first sliding block 6 and the second sliding block 7 is limited by the height of the pressing bar, when the beam block 5 moves upwards under the double action of the nylon shutter 4 and the reset spring, and when the flying edge 15 is clamped on the pressing bar, the beam block 5 stops moving upwards, the mother template 1 continues to move upwards, and at the moment, the nylon shutter 4 is separated from the mother template 1.

Working principle:

and (3) a mold closing mode: the nylon shutter 4 and the beam block 5 are downwards pressed by the master template 1, the beam block 5 drives the first sliding block 6 and the second sliding block 7 to move to two sides, and meanwhile, the push plate 3 is pressed in place to start injection molding products, and the die assembly is completed.

And (3) die opening mode: the female template 1 and the male template are opened, the female template 1 is pulled upwards simultaneously, the female template 1 drives the nylon shutter 4 to move upwards simultaneously, the lower end of the nylon shutter 4 is connected with the beam block 5, and therefore, the beam block 5 and the nylon shutter 4 are driven to move upwards simultaneously, the beam block 5 is separated from the first sliding block 6 and the second sliding block 7 on two sides, the pressure acting on the first sliding block 6 and the second sliding block 7 disappears, and therefore, the first sliding block 6 and the second sliding block 7 are mutually close to enable the thrust acting on the push plate 3 to disappear simultaneously. When the beam block 5 moves upwards, the beam block 5 is assisted by the restoring spring 9 to move, the moving safety is improved, the moving distance of the beam block 5 is limited by the two first pressing strips 10 and the second pressing strips 11, after the beam block 5 touches the pressing strips during moving, the nylon shutter 4 is separated from the mother template 1, the first sliding block 6 and the second sliding block 7 also move for a certain distance, the position of the nylon shutter is fixed by the positioning beads 13 to prevent the beam block 5 from moving, the restoring spring 9 is also in a semi-stretching state to prevent the beam block 5 from changing position, the motion is that the beam block 5 moves together, and after the motion is finished, the push plate 3 drives the sliding blocks to eject products together, so that the die sinking production motion is finished.

While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (4)

1. A simple and easy demolding mould structure of floating slide block, its characterized in that: including female template, mold core and the ejecting structure of setting between female template and mold core, ejecting structure includes nylon shutter, beam block, first slider, second slider and push pedal, be equipped with the blind hole on the bottom surface of female template, the upper end setting of nylon shutter is in the blind hole, the lower extreme of nylon shutter and beam block upper end fixed connection, beam block's left and right sides is equipped with first conical surface and second conical surface respectively, first slider and second slider are located beam block's left and right sides respectively, just be equipped with the third conical surface complementary with first conical surface on the first slider, be equipped with the fourth conical surface complementary with the second conical surface on the second slider, first slider and second slider are all inlayed in the recess of push pedal, the push pedal sets up between the mold core of both sides, drives nylon shutter up-and-down motion through female template, compresses tightly and relaxes in the time between first slider, second slider and the push pedal.

2. The floating block easy demolding mold structure as set forth in claim 1, wherein: the pushing structure further comprises a restoring spring, the restoring spring is arranged between the bottom of the binding block and the pushing plate, a first spring hole is formed in the bottom of the binding block, a second spring hole is formed in the pushing plate, and the upper end and the lower end of the restoring spring are respectively embedded into the first spring hole and the second spring hole.

3. The floating slide simple demolding mold structure as claimed in claim 2, wherein: the pushing structure further comprises a first pressing strip and a second pressing strip, the first pressing strip and the second pressing strip are fixed on the pushing plate through screws, the two lateral surfaces of the binding block, the first sliding block and the second sliding block are respectively provided with a flying edge extending outwards, and the pressing strip is pressed on the flying edge, so that the flying edge can be clamped on the lower end surface of the pressing strip.

4. The floating block easy demolding mold structure as set forth in claim 1, wherein: still include location structure, location structure includes spacer sleeve, positioning spring and locating pearl, be equipped with the spacer sleeve and settle the hole on the push pedal, the spacer sleeve is fixed and is being set up in the spacer sleeve is settled the hole, positioning spring sets up in the hole of spacer sleeve upper end, and the reference column is fixed in the upper end of positioning spring, be equipped with at least one constant head tank that matches with the reference column on first slider and the second slider bottom surface.