CN214448184U - Mold slide back-drawing mechanism - Google Patents

Abstract

The utility model discloses a die slide back-drawing mechanism, which comprises a die holder, wherein a die set is arranged on the die holder, the die holder is provided with a die groove for placing the die set, and two sides of the die groove are provided with sliding grooves; the die comprises a main die, a left supporting piece and a rear supporting piece, wherein the main die is arranged in a die cavity, the left supporting piece and the rear supporting piece are respectively in sliding connection on sliding grooves on two sides, and the left supporting piece and the rear supporting piece are close to or far away from the main die through the sliding grooves; the rear supporting piece comprises a lower sliding block, the lower sliding block is connected in the sliding groove in a sliding mode, and the lower sliding block is further connected with an upper sliding block in a sliding mode; the upper sliding block, the lower sliding block and the left supporting piece are demolded step by step, and the demolding method is used for reducing the mold sticking phenomenon of products. According to the utility model discloses a mechanism is taken out after mould slide, mould group are when the drawing of patterns, and left support piece, top shoe and lower slider distribute the drawing of patterns, can reduce the phenomenon that product and mould glued the mould, prevent that the product from producing the condition of whitening, inferior structure promotes the yields of product, promotes production efficiency.

Description

Mold slide back-drawing mechanism

Technical Field

The utility model relates to a mould manufacturing technical field, in particular to mechanism is taken out to capable position of mould back.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The mould is composed of various parts, different moulds are composed of different parts, and materials are injected into the grinding tool to enable the blank to be a product with a specific shape and size under the action of external force. In the mold manufacturing process, different molds need to be designed for different products, the mold structures of the same product are different, and the mold for producing the earphone shell easily makes the product mold-sticking in the molding and demolding process, so that the product is whitened and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the mould that aims at solving "current production earphone shell that exists at least makes the product sticking mold easily at the shaping drawing of patterns in-process, leads to the product to produce and draws white phenomenon, influences product quality's technical problem. Therefore, the utility model provides a mechanism is taken out to capable position back of mould can prevent the product sticking better, reduces the whitening phenomenon that produces among the product drawing of patterns process.

According to the utility model discloses a mould slide back-drawing mechanism of some embodiments, including the die holder, be provided with the mould group on the die holder, the die holder is provided with the die cavity, is used for placing the mould group, the die cavity both sides are provided with the sliding tray; the die comprises a main die, a left supporting piece and a rear supporting piece, the main die is arranged in the die cavity, the left supporting piece and the rear supporting piece are respectively in sliding connection on the sliding grooves on the two sides, and the left supporting piece and the rear supporting piece are close to or far away from the main die through the sliding grooves; the rear supporting piece comprises a lower sliding block, the lower sliding block is connected in the sliding groove in a sliding mode, and an upper sliding block is further connected on the lower sliding block in a sliding mode; and the upper sliding block, the lower sliding block and the left supporting piece are demolded step by step, so that the die sticking phenomenon of a product is reduced.

According to some embodiments of the present invention, a limiting sliding groove is disposed above the lower sliding block, and the upper sliding block is slidably connected to the limiting sliding groove; the upper sliding block is internally and fixedly provided with a plurality of cores, the cores slide synchronously along with the upper sliding block, and the cores are close to the main die.

According to some embodiments of the utility model, the top shoe is provided with the mounting groove, the core set up in the mounting groove, the top of top shoe is provided with the fixed slot, the fixed slot with the mounting groove intercommunication, a fixed column passes the fixed slot with the core gomphosis is connected, the fixed column is used for fixing the core in the position in the mounting groove.

According to some embodiments of the utility model, the core corresponds the part of fixed slot is provided with the spacing groove, the spacing groove with the mutual gomphosis of fixed column is connected.

According to some embodiments of the utility model, a stopper with the die holder is connected, the stopper is located one side of lower slider, the stopper is used for the restriction the sliding range of lower slider.

According to some embodiments of the utility model, the stopper with connect through a guide bar between the lower slider, the guide bar with the stopper is connected, the lower slider cup joint in the guide bar, and pass through the guide bar is followed the stopper is close to or keeps away from.

According to some embodiments of the utility model, the guide bar with through bolted connection between the stopper, the bolt is used for adjusting the guide bar with distance between the lower slider.

According to the utility model discloses a some embodiments, back support piece sets up a chute, the chute link up the top shoe with lower slider, the chute is used for fixing the position of back support piece.

According to some embodiments of the utility model, the sliding tray by with two fixed blocks of connection can be dismantled to the die holder constitute, the bottom of fixed block is provided with the depressed part, two fixed blocks in mirror image distribution on the die holder, two distance between the depressed part with the width of lower slider equals, lower slider is in two slide between the fixed block.

According to some embodiments of the present invention, a blocking member 241 is disposed in front of the upper slider, the blocking member 241 is connected to the lower slider, and follows the lower slider to move synchronously, and the blocking member 241 drives the upper slider to move.

According to the utility model discloses a mechanism is taken out after capable position of mould has following beneficial effect at least: the mould group is when the drawing of patterns, left side support piece the top shoe with the drawing of patterns is distributed to the bottom shoe, can reduce the phenomenon that product and mould glued mould, prevents that the product from producing the condition of drawing white, and inferior structure promotes the yields of product, promotes production efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an overall schematic view of a mold slide back-drawing mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of a die holder of a die slide back-drawing mechanism according to an embodiment of the present invention;

fig. 3 is a partial schematic view of a mold slide back-drawing mechanism according to an embodiment of the present invention;

fig. 4 is a first cross-sectional view of a mold slide back-drawing mechanism according to an embodiment of the present invention;

fig. 5 is a schematic view of an upper slide block structure of a mold slide back-drawing mechanism according to an embodiment of the present invention;

fig. 6 is a schematic line position diagram of a line position back-drawing mechanism of the mold according to the embodiment of the present invention;

fig. 7 is a second cross-sectional view of the mold slide back-drawing mechanism according to the embodiment of the present invention.

Reference numerals:

the die holder 100, the die groove 110, the sliding groove 120, the fixing block 130, the recess 131, the main die 210, the left supporter 220, the lower slider 240, the stopper 241, the upper slider 250, the mounting groove 251, the fixing groove 252, the fixing post 260, the core 270, the inclined groove 280, the stopper groove 271, the stopper 300, the guide bar 310, and the bolt 320.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The mold slide back-drawing mechanism according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the mold slide back-drawing mechanism includes a mold base 100, a mold set is disposed on the mold base 100, a mold cavity 110 is disposed on the mold base 100 and used for preventing the mold set, sliding grooves 120 are disposed on two sides of the mold cavity 110, the mold includes a main mold 210, a left support 220 and a back support, the main mold 210 is disposed in the mold cavity 110, the left support 220 and the back support are respectively located on the sliding grooves 120 on the two sides and slidably connected, and the left support 220 and the back support are close to or far away from the main mold 210 through the sliding grooves 120. The rear supporting piece comprises a lower sliding block 240, the lower sliding block 240 is connected in the sliding groove 120 in a sliding mode, an upper sliding block 250 is further connected on the lower sliding block 240 in a sliding mode, the upper sliding block 250, the lower sliding block 240 and the left supporting piece 220 are subjected to step-by-step demolding, and the mold sticking phenomenon of products is reduced. In the molding state, the left supporting piece 220 and the rear supporting piece are close to the main mold, after injection molding, in the demolding stage, the two small rows of the upper sliding block 250 and the rear supporting piece are separated from the glue position firstly, then the large row of the lower sliding block 240 completes demolding action, and by adopting the structure, demolding is assisted, adhesion between the mold and a product in the demolding process is reduced, and the whitening phenomenon on the product is reduced. In this embodiment, this mould is gone and is taken out mechanism after position and be arranged in the mould of production earphone, improves the white phenomenon of drawing that earphone casing produced in drawing of patterns process, promotes the yields. In the actual production process, set up the mould group of different group numbers according to the size of die holder 100, the figure is shown only to be the utility model discloses one of them embodiment, should understand, under the prerequisite that does not deviate from the utility model discloses basic design, the nimble transform of quantity all should be regarded as being in the utility model discloses the protection scope of injecing.

In some embodiments of the present invention, as shown in fig. 1 and fig. 3, specifically, the sliding groove 120 is composed of two fixing blocks 130, the two fixing blocks 130 are disposed on the die holder 100, and the two fixing blocks 130 can be detachably connected to each other, the bottom of the fixing block 130 is provided with a recess 131, the two fixing blocks 130 are distributed on the die holder 100 in a mirror image manner, the distance between the two recesses 131 is equal to the width of the lower slider 240, and the lower slider 240 can slide back and forth in the sliding groove 120 composed of the two fixing blocks 130. A limit sliding groove is arranged above the lower sliding block 240, the upper sliding block 250 is slidably connected in the limit sliding groove, mounting grooves 251 are arranged inside the upper sliding block 250, in the embodiment, the number of the mounting grooves 251 is two, a core 270 is fixedly arranged in each mounting groove 251, the core 270 is close to the main mold 210, and the core 270 is used for forming a hollow part of the earphone handle in the injection molding process of the mold. The mold core 270 can slide synchronously along with the upper sliding block 250, and in the demolding process, the mold core 270 retreats along with the upper sliding block 250 and is separated from the formed earphone handle, so that the phenomenon that the mold demolding is influenced because the mold core 270 of the earphone handle blocks the ejection route of the earphone shell in the ejection process is avoided.

As shown in fig. 1, 4 and 5, the top of the upper slider 250 is further provided with a fixing groove 252, the fixing groove 252 extends downward perpendicular to the surface of the upper slider 250, the fixing groove 252 communicates with the mounting groove 251, a portion of the core 270 corresponding to the fixing groove 252 is provided with a stopper groove 271, a fixing post 260 is inserted from the fixing groove 252 and is engaged with the stopper groove 271 of the core 270, and the fixing post 260 is used for fixing the position of the core 270 in the mounting groove 251. After the limit groove 271 and the fixed column 260 are mutually embedded, the core 270 is fixed at the position of the upper sliding block 250, the core 270 and the upper sliding block 250 move synchronously, and after the fixed column 260 is pulled out, the core 270 can be pulled out from the mounting groove 251, so that the damaged core 270 is convenient to replace. In the present embodiment, the fixing column 260 is a quadrangular prism, and the fixing groove 252 and the limiting groove 271 have contours matching the shape of the quadrangular prism.

It should be understood that the fixing post 260 is not limited to be in the shape of a quadrangular prism, and in other embodiments, the fixing post 260 may be in the shape of a cylinder, an elliptic cylinder, a triangular prism, or the like according to actual production requirements, and the fixing groove 252 and the limiting groove 271 are changed to be in shapes matched with each other according to the shape of the fixing post 260. The utility model discloses differs a perk to the shape of fixed column 260, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, the nimble transform of shape of fixed column 260 all should be regarded as being in the utility model discloses within the scope of protection of injecing.

It should be understood that the core 270 is not limited to the limiting groove 271, and in other embodiments, the limiting groove 271 of the core 270 may be disposed on the axis of the core 270, and the limiting groove 271 is a perforated groove on the core 270, the fixing post 260 is inserted into the limiting groove 271, the core 270 is fixed in the mounting groove 251 by means of a bolt, or the core 270 and the upper slide 250 are designed as a whole, and the core 270 and the upper slide 250 are fixedly connected and integrally detached according to actual production requirements. The utility model discloses fixed knot to core 270 constructs and not to be repeated repeatedly, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, core 270's fixed knot constructs the nimble transform, all should regard as to be in the utility model discloses within the scope of protection of injecing.

As shown in fig. 6, a blocking member 241 is further disposed in front of the upper slider 250, the blocking member 241 is connected to the lower slider 240 and moves synchronously with the lower slider 240, and when the lower slider 240 moves backwards, the lower slider 240 drives the upper slider 250 to move backwards through the blocking member 241. In the demolding process, the small slide position of the upper slide block 250 moves firstly, then the large slide position of the lower slide block 240 moves backwards, in the process of backwards moving the lower slide block 240, the blocking piece 241 is in contact with the upper slide block 250, and the upper slide block 250 moves synchronously with the lower slide block 240.

In some embodiments of the present invention, as shown in fig. 1, 4, 6 and 7, in particular, in order to limit the slide stroke of the lower slider 240 and simultaneously assist the lower slider 240 to complete the demolding operation, the lower slider 240 is prevented from unsmooth slide movement. A limiting block 300 is connected with the die holder 100, the limiting block 300 is located on one side of the lower sliding block 240, the limiting block 300 is used for limiting the sliding range of the lower sliding block 240, the limiting block 300 is fixed on the die holder 100 through screws, when the lower sliding block 240 retreats, the limiting block 300 is touched, the lower sliding block 240 stops sliding at the moment, and the demoulding action is completed. In order to make the lower slider 240 smoother in the sliding process, the limiting block 300 is connected with the lower slider 240 through a guide rod 310, the guide rod 310 is connected with the limiting block 300, the lower slider 240 is sleeved with the guide rod 310, and is close to or far away from the limiting block 300 through the guide rod 310, namely, when the lower slider 240 slides in the sliding groove 120, the guide rod 310 plays a role in guiding, so that the lower slider 240 moves back and forth along the length direction of the guide rod 310, and the lower slider 240 is prevented from shaking left and right in the sliding process, and unsmooth sliding occurs when the lower slider 240 moves.

It should be understood that the set of the limiting blocks 300 and the set of the guide rods 310 are not the only embodiment, and in some other embodiments, two sets of the limiting blocks 300 and the set of the guide rods 310 can be further disposed according to actual production requirements and respectively disposed on two sides of the lower sliding block 240 to form guide rails arranged in a mirror image manner, so that the lower sliding block 240 is smoother in the sliding process. The utility model discloses not lasting again to the structure of stopper 300 and guide bar 310, should understand, not deviating from the utility model discloses under the prerequisite of basic concept, the nimble transform of structure of stopper 300 and guide bar 310 all should be regarded as being in the utility model discloses within the scope of protection injectd.

As shown in fig. 3 and 7, the guide rod 310 is connected to the stopper 300 by a bolt 320, the bolt 320 is used for adjusting the distance between the guide rod 310 and the lower slider 240, and the distance that the lower slider 240 moves backwards is adjusted by changing the distance that the guide rod 310 protrudes out of the stopper 300. Corresponding to the cores 270 with different lengths, the retreating distance of the lower sliding block 240 can be adjusted only by adjusting the length of the guide rod 310, so that the core 270 can be driven to be completely pulled away from the earphone handle after the lower sliding block 240 retreats, and the later demoulding action is facilitated.

It should be understood that the protruding length of the guide rod 310 is not the only embodiment, and in other embodiments, the stop blocks 300 with different stop distances may be replaced according to actual production requirements, the length of the guide rod 310 is fixed, and the moving distance of the lower slider 240 may be changed by replacing different stop blocks 300. The utility model discloses to the structure of slider 240 sliding distance under the regulation not differentiate one and describe repeatedly, should understand, not deviating from the utility model discloses under the prerequisite of basic concept, to the nimble transform of structure of slider 240 sliding distance under the regulation, all should regard as within the utility model discloses within the scope of protection injectd.

In some embodiments of the present invention, as shown in fig. 7, specifically, the rear supporting member is provided with a chute 280, the chute 280 penetrates through the upper slider 250 and the lower slider 240, the chute 280 is used for fixing the position of the rear supporting member, and the rear supporting member is prevented from being loose during the forming process, resulting in poor product forming quality. During the backward movement of the lower slider 240, the guide rod 310 touches the cavity wall of the chute 280, and the lower slider 240 stops sliding.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A die slide back-drawing mechanism comprises a die holder (100), wherein a die set is arranged on the die holder (100); the die holder is characterized in that the die holder (100) is provided with a die cavity (110) for placing the die set, and two sides of the die cavity (110) are provided with sliding grooves (120);

the die comprises a main die (210), a left supporting piece (220) and a rear supporting piece, the main die (210) is arranged in the die cavity (110), the left supporting piece (220) and the rear supporting piece are respectively in sliding connection on the sliding grooves (120) at two sides, and the left supporting piece (220) and the rear supporting piece are close to or far away from the main die (210) through the sliding grooves (120);

the rear supporting piece comprises a lower sliding block (240), the lower sliding block (240) is connected in the sliding groove (120) in a sliding mode, and an upper sliding block (250) is further connected on the lower sliding block (240) in a sliding mode; the upper sliding block (250), the lower sliding block (240) and the left supporting piece (220) are demolded step by step, and the die sticking phenomenon of products is reduced.

2. The mold slide back-drawing mechanism according to claim 1, wherein a limit sliding groove is arranged above the lower sliding block (240), and the upper sliding block (250) is slidably connected in the limit sliding groove;

a plurality of cores (270) are fixedly arranged in the upper sliding block (250), the cores (270) synchronously slide along with the upper sliding block (250), and the cores (270) are close to the main die (210).

3. The mold slide back-drawing mechanism according to claim 2, wherein the upper slide block (250) is provided with a mounting groove (251), the core (270) is disposed in the mounting groove (251), the top of the upper slide block (250) is provided with a fixing groove (252), the fixing groove (252) is communicated with the mounting groove (251), a fixing column (260) penetrates through the fixing groove (252) to be connected with the core (270) in a jogged manner, and the fixing column (260) is used for fixing the position of the core (270) in the mounting groove (251).

4. The mold slide back-drawing mechanism according to claim 3, characterized in that a limiting groove (271) is arranged on the portion of the mold core (270) corresponding to the fixing groove (252), and the limiting groove (271) and the fixing column (260) are mutually embedded and connected.

5. The mold slide back-drawing mechanism according to claim 4, wherein a stopper (300) is connected to the mold base (100), the stopper (300) is located at one side of the lower slider (240), and the stopper (300) is used for limiting the sliding range of the lower slider (240).

6. The mold slide back-drawing mechanism according to claim 5, wherein the stop block (300) is connected with the lower slider (240) through a guide rod (310), the guide rod (310) is connected with the stop block (300), and the lower slider (240) is sleeved on the guide rod (310) and is close to or far away from the stop block (300) through the guide rod (310).

7. The mold slide back-drawing mechanism according to claim 6, wherein the guide rod (310) is connected with the stop block (300) through a bolt (320), and the bolt (320) is used for adjusting the distance between the guide rod (310) and the lower slider (240).

8. The mold slide back-extraction mechanism of claim 7, wherein the back support is provided with a chute (280), the chute (280) extends through the upper slide (250) and the lower slide (240), and the chute (280) is used for fixing the position of the back support.

9. The mold slide back-drawing mechanism according to any one of claims 1 to 8, wherein the sliding groove (120) is composed of two fixing blocks (130) detachably connected with the mold base (100), a recess (131) is provided at the bottom of the fixing block (130), the two fixing blocks (130) are mirror-distributed on the mold base (100), the distance between the two recesses (131) is equal to the width of the lower slider (240), and the lower slider (240) slides between the two fixing blocks (130).

10. The mold slide back-drawing mechanism according to claim 9, wherein a blocking member (241) is disposed in front of the upper slide (250), the blocking member (241) is connected to the lower slide (240) and moves synchronously with the lower slide (240), and the blocking member (241) drives the upper slide (250) to move.

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