CN222858640U - A kind of anti-retraction mold structure driven by oil cylinder - Google Patents

Abstract

The utility model provides a mold structure for preventing a slide block from retreating, which is driven by an oil cylinder. The mold structure comprises a panel, a hot nozzle plate, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate. The upper movable mold is provided with a molding groove, a molding block is embedded in the molding groove, an annular protrusion is embedded on the lower fixed mold, a side molding mechanism is provided on the side of the upper movable mold, and the side molding mechanism comprises a side slider and an oil cylinder. A V-shaped through hole connected to the molding groove is provided on the side of the upper movable mold. The side slider can be slidably placed in the V-shaped through hole. The side slider is provided with an inclined T-shaped groove. The piston rod of the oil cylinder faces downward and an inclined guide block is provided. The upper movable mold is provided with a positioning groove below the T-shaped groove. When the mold is closed, the upper movable mold and the lower fixed mold are closed, and the oil cylinder is controlled to push the inclined guide block downward to push the side slider along the V-shaped through hole into the molding groove and abut against the side of the molding block. The lower end of the inclined guide block extends into the positioning groove. When multiple hot nozzles are simultaneously injected with glue, the inclined guide block can prevent the side slider from retreating. Burrs will not be generated around the product, thereby reducing the cost of manual rework.

Description

Oil cylinder driving sliding block anti-withdrawal die structure

Technical Field

The utility model relates to the field of dies, in particular to an oil cylinder driving sliding block anti-withdrawal die structure.

Background

The mould is the instrument that is used for making the shaping product, the different shape products of preparation through the different shapes of mould, steam engine casing as shown in fig. 1, steam engine casing overall dimension is big, open the side of steam engine casing has a passageway that is the V style of calligraphy, need the slidable installation one side slider in the side when moulding plastics for shaping V style of calligraphy passageway, traditional control slider removes and relies on the pneumatic cylinder that sets up in the side to control, because steam engine casing overall dimension is big, adopt a plurality of advances gluey hot mouths to advance gluey for improving shaping efficiency, when moulding plastics pressure too big, the hydro-cylinder can not supply oil simultaneously lose pressure, lead to the slider to retreat, thereby influence product quality, produce the border burr, increase artifical repair cost.

Disclosure of utility model

The utility model provides an oil cylinder driving sliding block anti-withdrawal die structure, and aims to solve the technical problems mentioned in the technical background.

The oil cylinder driving sliding block anti-withdrawal die structure comprises a panel, a hot nozzle plate, an upper movable die, a lower fixed die, a top needle plate and a bottom plate from top to bottom, wherein the upper movable die is provided with a forming groove, a forming block is embedded in the forming groove, an annular protruding part is embedded on the lower fixed die, a side forming mechanism is arranged on the side face of the upper movable die, the side forming mechanism comprises a side sliding block and an oil cylinder, a V-shaped through hole communicated with the forming groove is formed in the side face of the upper movable die, the side sliding block is slidably arranged in the V-shaped through hole, the side sliding block is provided with an inclined T-shaped groove, the oil cylinder is vertically embedded in the side face of the panel and the hot nozzle plate, a piston rod of the oil cylinder faces downwards and is provided with an inclined guide block, the inclined guide block is arranged in the T-shaped groove, a positioning groove is formed below the T-shaped groove, and the inclined guide block is driven to move along the V-shaped through hole by the upward and downward movement of the inclined guide block.

Further, the baffle is arranged on the side face of the upper movable die, a vertical bar-shaped hole is formed in the baffle, limit sensors are arranged at the upper end and the lower end of the bar-shaped hole, a limit rod is arranged on the inclined guide block, and the limit rod extends out of the bar-shaped hole.

Further, a cushion block is arranged in the positioning groove.

Further, an inverted T-shaped guide groove is formed in the inclined guide block, a round table is installed on a piston rod of the oil cylinder, and the round table moves along the guide groove.

Further, the lower fixed die is provided with ejector blocks around the protruding portions, ejector rods are arranged on the ejector plate, and the ejector rods are upwards connected with the ejector blocks.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model relates to an oil cylinder driving sliding block anti-withdrawal die structure which comprises a panel, a hot nozzle plate, an upper movable die, a lower fixed die, an ejector pin plate and a bottom plate, wherein the upper movable die is provided with a forming groove, a forming block is embedded in the forming groove, an annular protruding part is embedded on the lower fixed die, a side forming mechanism is arranged on the side surface of the upper movable die, the side forming mechanism comprises a side sliding block and an oil cylinder, a V-shaped through hole communicated with the forming groove is formed on the side surface of the upper movable die, the side sliding block is slidably arranged in the V-shaped through hole, the side sliding block is provided with an inclined T-shaped groove, the oil cylinder is vertically embedded on the side surface of the panel and the hot nozzle plate, a piston rod of the oil cylinder faces downwards and is provided with an inclined guide block, the inclined guide block is arranged in the T-shaped groove, a positioning groove is formed below the T-shaped groove of the upper movable die, and the inclined guide block moves up and down to drive the side sliding block to move along the V-shaped through hole. When the die is closed, the upper movable die and the lower fixed die are closed, the control oil cylinder downwards pushes the inclined guide block to push the side sliding block to extend into the forming groove along the V-shaped through hole to be abutted against the side surface of the forming block, the lower end of the inclined guide block extends into the positioning groove, when a plurality of hot nozzles feed glue simultaneously, the pressure in the die cavity pushes the side sliding block to prevent the side sliding block from retreating, burrs are not generated on the periphery of a product, and the manual repair cost is reduced

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a steamer housing;

FIG. 2 is a schematic view of a forming die structure of a steamer housing of the utility model;

FIG. 3 is a cross-sectional view of a side molding mechanism of a molding die of the steamer housing of the present utility model;

FIG. 4 is a schematic view of the upper movable mold of the forming mold of the steam engine shell of the present utility model;

FIG. 5 is a schematic view of the structure of the lower mold of the molding mold of the steamer housing of the present utility model;

FIG. 6 is a schematic side view of an upper movable mold of a forming mold of a steamer housing of the utility model;

FIG. 7 is a schematic view of a side forming mechanism of a forming die of a steamer housing of the utility model;

Fig. 8 is an exploded view of a side molding mechanism of a molding die of a steamer housing of the present utility model.

Description of the main reference signs

10. A panel;

20. A hot nozzle plate;

30. the upper moving die, 301, forming block, 302, V-shaped through hole;

31. Side forming mechanism 311, oil cylinder 312, inclined guide block 3121, limit rod 313, side sliding block 314, positioning groove 3141, cushion block 315 and limit sensor;

40. The lower die, 401, the bulge, 402, the top block;

50. a needle ejection plate;

60. A bottom plate;

70. a steamer shell 701 and a channel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

As shown in fig. 1, the steamer housing 70 has a large overall size, and a V-shaped channel 701 is formed in the side of the steamer housing 70.

Referring to fig. 2-6, the utility model discloses an oil cylinder 311 driving slide block anti-back mold structure, which comprises a panel 10, a hot nozzle plate 20, an upper movable mold 30, a lower fixed mold 40, an ejector pin plate 50 and a bottom plate 60 from top to bottom, wherein the upper movable mold 30 is provided with a molding groove, a molding block 301 is embedded in the molding groove, an annular protruding part 401 is embedded on the lower fixed mold 40, specifically, the upper movable mold 30 and the lower fixed mold 40 are closed during mold assembly, and the protruding part 401 is arranged between the inner side wall of the molding groove and the molding block 301 and is used for molding a main body of a steam engine shell 70. When the mold is opened, the upper moving mold 30 drives the molding block 301 to leave from the annular protruding portion 401, and the product falls on the protruding portion 401. Further, the lower fixed die 40 is provided with ejector blocks 402 around the protruding portions 401, ejector rods are arranged on the ejector plate 50, the ejector rods are upwards connected with the ejector blocks 402, and the ejector plate 50 upwards ejects products out of the protruding portions 401 through the ejector blocks 402, so that demolding of the products is achieved.

Referring to fig. 3-8, a side forming mechanism 31 is disposed on a side surface of the upper moving die 30, the side forming mechanism 31 includes a side slider 313 and an oil cylinder 311, a V-shaped through hole 302 communicating with a forming groove is formed on the side surface of the upper moving die 30, the side slider 313 is slidably disposed in the V-shaped through hole 302, the side slider 313 is provided with an inclined T-shaped groove, the oil cylinder 311 is vertically embedded in the side surface of the panel 10 and the hot nozzle plate 20, a piston rod of the oil cylinder 311 faces downwards and is provided with an inclined guide block, the inclined guide block 312 is disposed in the T-shaped groove, a positioning groove 314 is formed below the T-shaped groove of the upper moving die 30, and the upward and downward movement of the inclined guide block 312 drives the side slider 313 to move along the V-shaped through hole 302. Specifically, when the upper moving die 30 and the lower fixed die 40 are closed during die assembly and injection molding, the control oil cylinder 311 extends downwards to push the inclined guide block 312 to move downwards, the inclined guide block 312 is arranged in an inclined T-shaped groove, when the inclined guide block 312 moves downwards along the inclined T-shaped groove, the side sliding block 313 is pushed to approach the forming block 301, when the side sliding block 313 is tightly attached to the side surface of the forming block 301, the lower end of the inclined guide block 312 is arranged in the positioning groove 314, so that the pressure in the die cavity can not push the side sliding block 313 to retreat when a plurality of hot nozzles feed glue at the same time.

Referring to fig. 3 to 8, a baffle is installed at a side of the upper moving mold 30, the baffle is opened with a vertical bar-shaped hole, limit sensors 315 are installed at upper and lower ends of the bar-shaped hole, a limit rod 3121 is provided at the inclined guide block 312, and the limit rod 3121 extends out of the bar-shaped hole. The upper limit sensor 315 is used for limiting the upper limit position of the upward movement of the inclined guide block 312, the lower limit sensor 315 is used for limiting the lower limit position of the inclined guide block 312, and the corresponding side sliding block 313 is separated from or closely attached to the forming block 301.

Referring to fig. 3-8, a spacer 3141 is disposed within the locating groove 314. The spacer block 3141 is installed in the positioning groove 314, and the thickness of the spacer block 3141 can be independently processed to adjust and match the inclined guide block 312, so that a gap cannot exist between the inclined guide block 312 and the spacer block 3141, and the inclined guide block 312 of the ejector pin of the spacer block 3141 limits the retreating of the side sliding block 313. Further, an inverted T-shaped guide groove is formed in the inclined guide block 312, a round table is mounted on a piston rod of the oil cylinder 311 and moves along the guide groove, and the piston rod of the oil cylinder 311 is conveniently mounted and dismounted on the inclined guide block 312 through cooperation of the round table and the guide groove, so that production efficiency is improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The oil cylinder driving sliding block anti-retreating die structure is characterized by comprising a panel, a hot nozzle plate, an upper movable die, a lower fixed die, an ejector pin plate and a bottom plate from top to bottom, wherein the upper movable die is provided with a forming groove, a forming block is embedded in the forming groove, an annular protruding part is embedded on the lower fixed die, a side forming mechanism is arranged on the side surface of the upper movable die, the side forming mechanism comprises a side sliding block and an oil cylinder, a V-shaped through hole communicated with the forming groove is formed in the side surface of the upper movable die, the side sliding block is slidably arranged in the V-shaped through hole, the side sliding block is provided with an inclined T-shaped groove, the oil cylinder is vertically embedded on the side surface of the panel and the hot nozzle plate, a piston rod of the oil cylinder faces downwards and is provided with an inclined guide block, the inclined guide block is arranged in the T-shaped groove, and a positioning groove is formed below the T-shaped groove by the upper movable die, and the inclined guide block is driven to move up and down along the V-shaped through hole.

2. The cylinder driving slide block anti-retreating die structure of claim 1, wherein a baffle is arranged on the side face of the upper movable die, vertical strip-shaped holes are formed in the baffle, limit sensors are arranged at the upper end and the lower end of the strip-shaped holes, limit rods are arranged on the inclined guide blocks, and the limit rods extend out of the strip-shaped holes.

3. The cylinder driving slide block anti-withdrawal die structure of claim 1, wherein a cushion block is arranged in the positioning groove.

4. The cylinder driving slide block anti-retreating die structure of claim 1, wherein the inclined guide block is provided with an inverted T-shaped guide groove, a piston rod of the cylinder is provided with a round table, and the round table moves along the guide groove.

5. The cylinder driving slide block anti-withdrawal die structure of claim 1, wherein the lower fixed die is provided with ejector blocks around the protruding portions, ejector rods are arranged on the ejector plate, and the ejector rods are upwards connected with the ejector blocks.