CN212312514U - Glove mold - Google Patents

Abstract

The utility model relates to a glove mold, glove mold integrated into one piece, glove mold's at least part sets up to palm shape, glove mold has the first face and the second face of carrying on the back mutually and setting up, glove mold's first face is inwards sunken just glove mold's second face is outwards protruding in order to form thin-walled structure. And connecting the two corresponding glove molds to obtain the glove mold with the hollow middle part. The glove mold is one half of the glove mold, and a complete glove mold can be combined by two mutually matched glove molds. The combined glove mold is hollow, light in weight, convenient to drive and well suitable for the field of plastic glove production.

Description

Glove mold

Technical Field

The utility model relates to a plastic gloves production technical field especially relates to gloves mould.

Background

The glove mold is a mold for manufacturing plastic gloves and is in the shape of a glove. The existing palm die for producing the plastic gloves is a cast solid aluminum block, the whole weight of the glove die is heavier, and the glove die is often driven by larger power to move so as to be matched with the plastic gloves to be produced, so that the plastic gloves are very inconvenient.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a glove mold.

The utility model provides a glove mold, glove mold integrated into one piece, glove mold's at least part sets up to palm shape, glove mold has the first face and the second face that set up back to back, glove mold's first face is inside sunken just glove mold's second face is outside protruding in order to form thin wall structure.

In one embodiment, the device comprises a palm part and at least two finger parts, and each finger part is connected with the palm part.

In one embodiment, the number of fingers is five.

In one embodiment, the fingers have a thickness of 0.5mm to 2 mm.

In one embodiment, the thickness of the palm part is 0.5 mm-2 mm.

In one embodiment, the material of the glove mold is an aluminum alloy.

According to the glove mold, the first surface of the glove mold is inwards concave, and the second surface of the glove mold is outwards convex to form a thin-wall structure, so that the glove mold with the hollow middle part can be obtained after the two corresponding glove molds are connected. The glove mold is one half of the glove mold, and the two glove molds matched with each other are buckled with each other to obtain the glove mold with a complete hand shape. The combined glove mold is hollow, light in weight, convenient to drive and well suitable for the field of plastic glove production.

Drawings

FIG. 1 is a schematic perspective view of a glove mold according to one embodiment;

FIG. 2 is a schematic flow chart of a method of making a swaged plate according to one embodiment;

FIG. 3 is a schematic perspective view of an embodiment of a mold with upper and lower dies coupled together;

FIG. 4 is a schematic view of a one-directional three-dimensional split structure of a mold according to an embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of a one-directional three-dimensional split structure of a mold according to an embodiment;

FIG. 7 is a perspective view of a swage plate in one embodiment.

In fig. 1 to 7, 10, a mold; 100. an upper die; 110. a first press-fit structure; 200. a lower die; 210. a protrusion; 220. A second press fit structure; 300. pre-forming a plate; 301. a groove; 400. die forging a plate; 410. a model structure; 420. a first extension portion; 430. a second extension portion; 500. a glove mold; 501. a first side; 502. a second face; 510. a palm portion; 520. a finger portion.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In one embodiment, as shown in fig. 1, a glove mold 500 is provided, at least a portion of the glove mold 500 being configured in the shape of a palm, the glove mold 500 having first and second oppositely disposed faces 501, 502, the first face 501 of the glove mold 500 being inwardly concave and the second face 502 of the glove mold 500 being outwardly convex 210 to form a thin-walled structure. In this embodiment, the glove mold 500 is integrally formed. The integrally formed glove mold has good connection strength, and the glove mold 500 is prevented from cracking. In one embodiment, a glove mold is provided that includes two glove molds 500 arranged in mirror image and connected to each other, the glove molds being used to produce plastic gloves.

In this embodiment, the glove mold 500 includes a palm portion 510 and at least two finger portions 520, and each finger portion 520 is connected to the palm portion 510. It is understood that the number of the finger parts 520 can be specifically set according to actual needs, and the palm shape can be realized by the palm part 510 and the finger parts 520. In this embodiment, the number of the fingers 520 is five. Five finger portions 520 are connected to the palm portion 510 to form a palm shape.

In this embodiment, the glove mold is made of an aluminum alloy. In the alloy, the aluminum alloy has the advantage of relatively light weight on the premise of meeting better mechanical properties, so that the glove mold made of the aluminum alloy has light weight. In this embodiment, the thickness of the glove mold is 0.5mm ~2 mm. Further, the thickness of the glove mold is greater than or equal to 1mm and less than 3 mm. Therefore, the glove mold can be well prevented from being heavy, and the glove mold can maintain good strength. In the present embodiment, the thickness of the finger portion 520 is 0.5mm to 2mm, and further, the thickness of the finger portion 520 is 1mm to 1.5mm, and the finger portion 520 is small relative to other positions, so that the weight is likely to break, and in the present embodiment, the thickness is controlled to be 0.5mm to 2mm, particularly 1mm to 1.5mm, so that the strength of the finger portion 520 can be well ensured, and the breakage caused by the excessive weight can be avoided. In this embodiment, the thickness of palm portion 510 is 0.5mm ~2mm, and further, the thickness of palm portion 510 is 1.4mm ~1.6mm, and the thickness of control palm portion 510 is 0.5mm ~2mm especially 1.4mm ~1.6mm in this embodiment can guarantee the intensity of palm portion 510 betterly, gives consideration to the lightweight of palm portion 510 simultaneously.

Referring to fig. 1, in the glove mold 500, the first surface 501 of the glove mold 500 is recessed inward, and the second surface 502 is raised outward by 210 to form a thin-walled structure, so that a glove mold with a hollow middle portion can be obtained after two corresponding glove molds 500 are connected. Foretell glove mold 500 is one of them half of glove mold, through the mutual lock of two glove mold 500 of mutually supporting, can obtain the glove mold of a complete hand shape, specifically, the lock process is two glove mold that are the mirror image setting for providing, with the first face interconnect of two glove mold. The combined glove mold is hollow, light in weight, convenient to drive and well suitable for the field of plastic glove production. It should be noted that the combined glove mold can also be called a mold for manufacturing plastic gloves.

In one embodiment, the glove mold is provided with a plurality of reinforcing ribs at intervals at the inward concave positions, and when force is applied to the second side of the glove mold from the outside, the reinforcing ribs can provide supporting force so as to prevent the glove mold from being concave towards the first side. The stability of the glove mold is improved. In one of them embodiment, the strengthening rib has elasticity, promptly the inside sunken position interval of gloves mould is provided with a plurality of elasticity strengthening ribs, and like this, the strengthening rib has the trend of expansion concave position constantly, can further avoid gloves mould to sunken to the direction of first face from this, and when gloves mould placed in the open air and is heated or when the precooling, the trend that gloves mould received the temperature influence and warp can be offset by the elasticity strengthening rib to the elastic action through the elasticity strengthening rib can maintain the original shape of gloves mould better.

The present invention further provides a method for manufacturing a die forging plate, a method for manufacturing a glove mold, and a mold for manufacturing a glove mold.

In one embodiment, as shown in fig. 2, there is provided a method of making a die forged plate, comprising the steps of:

and 11, providing a plate body. In the present embodiment, the plate body is an aluminum alloy plate, the specification technical conditions of the aluminum alloy plate are the standard materials described in the national standard GB/T3191, and the specification technical conditions of the aluminum alloy plate are 205mm in length, 135mm in width and 2mm in thickness, which are helpful for manufacturing a die forged plate having a palm-shaped structure. In other embodiments, the plate body may also be another type of alloy plate, or a pure metal plate that is solid at normal temperature, and the material technical conditions and specification technical conditions of the plate body may be adjusted according to actual conditions.

And step 12, forming a groove in the plate body to obtain a preformed plate. In this embodiment, a groove is formed in the plate body through a stamping process, specifically, a first protruding rib is arranged on the punch, the plate body is arranged on a working surface of a punch, the punch moves towards the working surface, and the groove is punched on the plate body by the first protruding rib. Thus, the thickness from the bottom of the groove to the other surface of the plate body is lower than that of other positions of the plate body. In other embodiments, a pre-punching die is arranged on the working surface, a second convex rib is arranged on the die, the plate body is arranged on the pre-punching die and at least partially corresponds to the second convex rib, the punch moves towards the working surface and pushes the plate body to move towards the pre-punching die, and the second convex rib protrudes out of the pre-punching die and provides a reaction force for the plate body so as to form the groove on the plate body. The groove is formed in the plate body in a stamping mode, the quality of the plate body can not be reduced, the groove has certain reliability, and premature breaking during subsequent die forging is avoided. In other embodiments, the plate body is provided with a groove by a cutting machine. In other embodiments, the plate body is provided with the groove when integrally formed. It will be appreciated that other prior art techniques may be used to provide the recess in the plate body. In this embodiment the groove has an elongated configuration, i.e. the length of the groove is much greater than the width, which facilitates tearing of the groove along its length. It is understood that the length direction may also be the extending direction of the groove on the surface of the plate body. In this embodiment, the model structure is located the both sides of recess extending direction to make the bottom of recess along extending direction directional tear, avoid tearing the direction as far as possible and towards the model structure, thereby avoid the crack after the concave tear to extend to the model structure.

Step 13, placing the preformed plate into a die to perform die forging treatment so as to form a model structure on two sides of the groove of the preformed plate respectively to obtain a die-forged plate; the die comprises an upper die and a lower die, wherein the upper die is movably connected with the lower die, the lower die is provided with a protrusion, the protrusion is used for penetrating into the groove of the preformed plate, the upper die is provided with a first press fit structure, the lower die is provided with a second press fit structure, the second press fit structure is arranged on two sides of the protrusion, the first press fit structure is matched with the second press fit structure, when the upper die is connected with the lower die, the first press fit structure and the second press fit structure are respectively pressed on two opposite sides of the preformed plate, and the preformed plate forms the die structure. It is understood that the above-mentioned die forging plate is a structure having a shape after press-fitting of a plate body. The model structure distributes in the both sides of die forging board recess, and the model structure can be a whole, also can be more than two, and the model structure also can set up around the recess. In other embodiments, the protrusion may be provided on the upper mold, so that the preformed plate needs to be fixed to the upper mold by using the existing techniques such as adhesion or magnetic connection, so that the protrusion has a limiting function.

In one embodiment, the following steps are further included between step 12 and step 13: the preformed sheet is heated to a swaging temperature. Specifically, the preformed plate is heated to 520-550 ℃, in the embodiment, the preformed plate is heated to 520-550 ℃ by the electric heating furnace, the preformed plate is heated to the die forging temperature and then cooled to the preset temperature, and then the die forging treatment is carried out on the preformed plate, so that the preformed plate is more easily deformed, and the die forging process is facilitated. In one embodiment, the upper die and the lower die are respectively heated to 520-550 ℃, and then the preformed plate is subjected to die forging in the die, so that the temperature difference between the die and the preformed plate is avoided, the preformed plate is prevented from being cooled, and the die forging treatment on the preformed plate is facilitated. In other embodiments, the upper and lower dies are provided with heating assemblies and a room temperature preform sheet is disposed between the upper and lower dies and heated to facilitate the swaging process on the preform sheet. It is to be understood that the heating process for the upper and lower dies in the swaging process can be performed by a conventional technique not mentioned, and this embodiment is not described redundantly. In one embodiment, during the die forging treatment, the initial forging temperature of the preformed plate is kept at 470-490 ℃, and the final forging temperature is kept at 340-360 ℃, so that the glove die has better structural strength, and the tearing defect is better avoided.

In the manufacturing method of the die forging plate, the plate body is processed before die forging, namely, the plate body is provided with the groove. Like this, the bottom thickness of the recess of preformed sheet is thinner at the die forging in-process, and the bottom of recess can be compared and tear in preformed sheet other positions more easily, and when the bottom of recess was torn, the border of recess can be to both sides deformation, has shared the atress on the preformed sheet, has cushioned the position that is close to the model structure to the preformed sheet in other words, has avoided the position that the preformed sheet is close to the model structure to tear. And because the edge of the groove can be pulled to the position of the preformed plate close to the model structure in the die forging process, the materials can be supplemented to the position of the preformed plate close to the model structure, and the model structure is prevented from being torn due to insufficient materials. The die forging method is particularly suitable for manufacturing a thin die structure, and solves the problem that the die structure is easily torn by thin die forging materials in the die forging process.

As shown in fig. 3 to 6, in one embodiment, a mold 10 is provided, and the mold 10 of the embodiment may also be referred to as a mold for making gloves, or simply referred to as a mold for making gloves. The mold 10 is used for performing die forging processing on a preformed plate 300, the mold 10 includes an upper mold 100 and a lower mold 200, the upper mold 100 is movably connected with the lower mold 200, the lower mold 200 is provided with a protrusion 210, the protrusion 210 is used for penetrating into a groove 301 of the preformed plate 300, the upper mold 100 is provided with a first press-fit structure 110, the lower mold 200 is provided with a second press-fit structure 220, the second press-fit structure 220 is arranged on two sides of the protrusion 210, the first press-fit structure 110 is matched with the second press-fit structure 220, when the upper mold 100 is connected with the lower mold 200, the first press-fit structure 110 and the second press-fit structure 220 are pressed on the preformed plate 300, so that the preformed plate 300 forms a model structure 410. Above-mentioned mould 10 is used for making die forging board 400, the arch 210 of mould 10 is used for wearing to establish in the recess 301 department of preforming board 300, help fixing a position preforming board 300, and in the die forging process, arch 210 can exert pressure for the bottom of recess 301, help the bottom of recess 301 to tear, the back is torn to the bottom of recess 301, owing to shared the atress, can avoid model structure (not shown) to tear, the border of recess 301 can be to model structure feed supplement simultaneously, avoid tearing because of the shaping material of model structure is not enough. It is worth mentioning that the preformed plate 300 in fig. 4, in fact, the groove 301 is opened on the non-illustrated side of the preformed plate 300, and in order to more conveniently view the relative positions of the groove 301 and the protrusion 210, the groove 301 on the other side of the preformed plate 300 is illustrated in dashed lines in fig. 4.

In one embodiment, the first pressing structure 110 is a palm-shaped protrusion, the second pressing structure 220 is a palm-shaped recess, when the upper mold is connected to the lower mold, the palm-shaped protrusion is inserted into the palm-shaped recess, and the portions of the preformed plate 300 located at two sides of the groove 301 are clamped and pressed by the wall portions of the palm-shaped protrusion and the wall portions of the palm-shaped recess, and are swaged into the palm-shaped structure. In this embodiment, the palm-shaped protrusions and palm-shaped depressions are used to form palm-shaped structures on the preformed sheet 300. In other embodiments, the first press-fit structure 110 and the second press-fit structure 220 may have other shapes that match each other, as desired, for use in swaging the preform sheet 300 into the pattern structure 410.

In order to make the bottom of the groove easier to tear, in one of the embodiments, the groove is a V-shaped groove. In this embodiment, the protrusion is set to a triangular prism shape, so that the V-shaped groove is matched, the ridge direction of the triangular prism is parallel to the plane where the lower die is located, and one side surface of the triangular prism is connected with the lower die. In this embodiment, the plate body is thinnest near the bottom of the V-shaped groove where it is most easily torn, making it easier to orient the tear at the bottom of the groove. Meanwhile, the V-shaped groove has a change of inclination and can be easily punched by a punch. Meanwhile, the stamping process can avoid the consumption of the quality of the plate body, and is beneficial to maintaining the original material strength of the plate body. Meanwhile, the bottom of the V-shaped groove is the thinnest position of the preformed plate, and the V-shaped groove can be directionally torn according to the position of the bottom of the V-shaped groove easily in the die forging process.

The die forged plate 400 in fig. 7 can be produced by the above-described method and die.

In one embodiment, as shown in fig. 7, the pattern structure 410 of the swage plate 400 includes a first extension 420 and a second extension 430 disposed adjacent to each other, with the recess 301 disposed between the first extension 420 and the second extension 430. In this embodiment, the extending direction of the first extending portion 420 and the extending direction of the second extending portion 430 are not collinear, the first extending portion 420 is located on one side of the groove 301, and the second extending portion 430 is located on the other side of the groove 301. The first extension 420 and the second extension 430 are die-forged form structures 410 for use after being cut from the die-forged plate 400. In this embodiment, the provision of the groove 301 helps to avoid tearing of the first extension 420 and the second extension 430. It is worth mentioning that the bottom of the groove 301 in fig. 5 has been torn away after the swaging process, so that the groove 301 can be seen at the side where the groove 301 would not otherwise be seen in the preformed plate 300.

To avoid the disconnection of the swage plate 400, in one embodiment, the projection of the recess 301 in the extending direction of the first extension 420 falls entirely on the first extension 420, and the projection of the recess 301 in the extending direction of the second extension 430 falls entirely on the second extension 430. That is, in the present embodiment, both ends of the groove 301 are inward with respect to the end of the first extension part 420 or the end of the second extension part 430, or both ends of the groove 301 are flush with respect to the end of the first extension part 420 or the end of the second extension part 430. In this way, when the bottom of the groove 301 is torn, the bottom of the groove 301 is prevented from being excessively torn in the extending direction of both ends of the groove 301, thereby preventing the die forged plate 400 from being broken.

In one embodiment, one end of the first extension part 420 is connected to one end of the second extension part 430. In the present embodiment, the first extension part 420 and the second extension part 430 are disposed in a V shape, and the model structure 410 having a V-shaped structure can be preferably manufactured by forming the groove 301.

In order to avoid the bottom of the groove 301 from being torn and then spreading to the model structure 410, in one embodiment, the distance from the connecting position of the first extension part 420 and the second extension part 430 to the groove 301 is 3 mm-5 mm. After the bottom of the groove 301 is torn, the distance between the bottom of the groove 301 and the connecting position is 3 mm-5 mm, the bottom of the groove 301 can be effectively prevented from being continuously torn towards the connecting position, and therefore the connecting position of the first extending portion 420 and the second extending portion 430 is prevented from being torn.

Since the palm structure has finger structures which are spaced closely together and are easily torn in the field of swaging, in one embodiment the former structure is provided as a palm structure having at least two finger structures, and the recess is provided between two of the finger structures. In one embodiment, the mold structure 410 is a palm structure having five finger structures, the number of the grooves 301 is four, and the grooves 301 are disposed between two adjacent finger structures. In this embodiment, any two adjacent finger structures are respectively equivalent to the first extension part 420 and the second extension part 430, a finger web structure is arranged between the two finger structures, that is, the two finger structures are the connection position of the first extension part 420 and the second extension part 430, in this embodiment, the distance from the finger web structure to the groove 301 is 3mm to 5mm, and the finger web avoiding structure is torn. During the swaging process, the grooves 301 will tear more easily than elsewhere in the preform sheet 300, preventing tearing of the palm structure, thereby allowing the palm structure to be completely prepared. In this embodiment, the recess is not arranged to protrude from the end of the finger-shaped structure, that is, it is realized that the projection of the recess 301 in the extending direction of the first extending portion 420 falls on the first extending portion 420, and the projection of the recess 301 in the extending direction of the second extending portion 430 falls on the second extending portion 430. It can be understood that the model structure is the glove mold after the flash is cut off, and the finger-shaped structure is the finger part after being cut off from the die forging plate.

In one embodiment, there is provided a method for manufacturing a glove mold, including the method for manufacturing a swaged plate according to any one of the above embodiments, where the step of placing the pre-formed plate into a mold to perform a swaging process to form a pattern structure on each of two sides of the groove of the pre-formed plate, and the step of obtaining the swaged plate further includes a step of cutting off a flash at an edge of the pattern structure to obtain the glove mold. In this embodiment, since the former structure is not torn during the swaging process, a complete glove mold can be obtained. Referring to fig. 1 again, the glove mold after removing the flash is shown, wherein the glove mold in the embodiment of fig. 1 is a palm-shaped glove mold. In one embodiment, a cutting device is used to remove flash from the edges of the model structure. In one embodiment, the cutting device is a punch press, a punch of the punch press is provided with a cutter head, the shape of the cutter head is matched with the outer contour of the model structure, and the edge of the model structure can be completely removed when the punch impacts the die forging plate at one time, so that the cutting efficiency is improved. In one embodiment, a bearing surface facing the tool bit is arranged on the punching machine, and a positioning mark part is arranged on the bearing surface, and the shape of the positioning mark part is matched with the shape of the outer contour of the glove mold. Therefore, the model structure can be placed at the position, close to the positioning mark part, of the bearing surface, the glove mold is aligned to the positioning mark part, and the subsequent glove mold can be conveniently and accurately cut. In one embodiment, a 160T punch is used to remove flash from the edges of the pattern structure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (6)

1. The glove mold is characterized in that the glove mold is integrally formed, at least part of the glove mold is arranged to be palm-shaped, the glove mold is provided with a first face and a second face which are arranged in a back-to-back mode, the first face of the glove mold is inwards sunken, and the second face of the glove mold is outwards protruded to form a thin-wall structure.

2. The glove mold of claim 1 comprising a palm and at least two fingers, each finger being connected to the palm.

3. The glove mold of claim 2 wherein the number of fingers is five.

4. The glove mold of claim 2 wherein the finger portions have a thickness of 0.5mm to 2 mm.

5. The glove mold according to claim 2, wherein the thickness of the palm portion is 0.5mm to 2 mm.

6. The glove mold of claim 1 wherein the material of the glove mold is an aluminum alloy.

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