CN207789594U - A kind of injection mold of shoulder set - Google Patents

Abstract

The present invention discloses an injection mold for a shoulder cover, which comprises a base, on which two irons are arranged, on which a backing plate is arranged, on which a lower mold assembly, an upper mold assembly and a top mold seat are sequentially arranged; the backing plate There is a connecting shaft on the top, and the lower mold assembly and the upper mold assembly are installed on the connecting shaft, and the lower mold assembly and the upper mold assembly move vertically along the connecting shaft to match the mold clamping/demolding of the injection mold; the lower mold assembly The parts include the lower mold base and the lower template, the lower mold base is set on the backing plate, the lower template is set on the lower mold base, and the lower mold core assembly is set on the lower template, the lower mold core of the lower mold core assembly extends vertically upwards into the upper The molding core set on the molding template of the mold assembly is connected with the upper mold core of the upper mold core assembly on the upper mold plate of the upper mold assembly, and the lower mold core cooperates with the upper mold core and the forming mold core in the lower mold When the component and the upper mold component are molded together, the mold cavity for forming the shoulder sleeve is formed; a telescopic component is also included, and the telescopic component is installed between two square irons and is used for jacking up the stripping of the matching shoulder sleeve of the lower mold component.

Description

Injection mold for a shoulder cover

technical field

The utility model relates to the technical field of molds, in particular to an injection mold for shoulder sleeves.

Background technique

Injection mold is a tool for producing plastic products, and it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained.

The injection mold usually includes an upper mold, a lower mold, an upper mold core on the upper mold, and a lower mold core on the lower mold core, and the injection molding is completed by matching the mold clamping/demolding of the upper mold core and the lower mold core.

In the prior art, it is a common processing method to process the shoulder cover as shown in Figure 1 by injection molding. Currently, the shoulder cover shown in Figure 1 is processed and produced by integral injection molding, so as to form a high-quality shoulder cover. At present, the injection mold for injection molding of the shoulder sleeve has the disadvantages of complex design, poor molding effect, and low production efficiency; at the same time, the existing such mold is also limited by the accuracy of the shape and size of the strip, which wastes a lot of materials .

Therefore, there is an urgent need in the market for an injection mold for shoulder sleeve molding with a simplified structure and high production efficiency.

Utility model content

The technical problem to be solved by the utility model is to provide an injection mold for a shoulder sleeve aiming at the above-mentioned defects in the prior art. The injection mold has a precise structure, the formed shoulder sleeve has a beautiful appearance, and the injection molding production efficiency is high.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows: an injection mold for a shoulder cover, including a base, two square irons are arranged on both sides of the base in the transverse direction, and a backing plate is arranged on the two square irons, and the backing plate The lower mold assembly, the upper mold assembly and the top mold base are arranged in sequence from bottom to top on the board; a number of vertically extending connecting shafts are arranged on the backing plate, and the lower mold assembly and the upper mold assembly are movable on the connecting shaft, and the lower mold assembly and the upper mold assembly move vertically along the connecting shaft to match the mold clamping/demolding of the injection mold; the lower mold assembly includes a lower mold base and The lower template, the lower mold base is arranged on the backing plate, the lower template is arranged on the lower mold base, and the lower mold core assembly is provided on the lower template, and each lower mold core assembly of the lower mold core assembly is vertically Extend upwards into the molding core set on the molding template of the upper mold assembly, and extend vertically downward from the upper end of the molding template to form the corresponding molding The upper mold core of the upper mold core assembly of the mold core is docked, and the lower mold core cooperates with the upper mold core and the forming mold core to form a part for forming the shoulder sleeve when the lower mold assembly and the upper mold assembly are closed. The mold cavity also includes a telescopic assembly, which is installed between two square irons and is used to jack up the stripping of the matching shoulder sleeve of the lower mold assembly.

As a further elaboration to the above-mentioned technical scheme:

In the above technical solution, a guide column is provided on each of the two ends of the square iron matching its extension direction, and the backing plate, the lower mold base, the lower template, the forming template, the upper template and the top template are all pierced on the On the guide post, and on the lower mold base, the lower template, the forming template and the upper template, there are bushes at the connection with the guide post.

In the above technical solution, the telescopic assembly includes a bottom plate, a top plate, a first guide post, a spring and a second guide post, the bottom plate is arranged on the base, the top plate is fixedly connected to the bottom plate by bolts, and the two The first guide pillars are installed on both sides of the base, and the two first guide pillars penetrate the bottom plate and the top plate from bottom to top and are connected with the backing plate, so that the bottom plate and the top plate pass through the two first guide pillars. On the column, a spring is sleeved between the top plate and the backing plate on each of the first guide columns, and the two springs provide damping to make the telescopic assembly jack up the lower mold assembly and move vertically; the four corners of the bottom plate are A second guide post is provided, the second guide post penetrates the top plate from bottom to top and connects with the backing plate, four second guide posts are used to guide the vertical movement of the bottom plate and the top plate, matching the telescopic assembly Jack up the die assembly.

In the above technical solution, a number of third guide pillars are also provided on the base, one end of the third guide pillar is fixedly connected to the base through bolts, and the other end of the third guide pillar is movable against the backing plate, and the Both the bottom plate and the top plate are passed through the third guide posts; the plurality of third guide posts are used to guide the vertical movement of the bottom plate and the top plate.

In the above technical solution, the lower mold core assembly includes a first mounting plate, and the first mounting plate is provided with a plurality of accommodation positions for the lower mold core, and a lower mold core is installed in each accommodation position; The formwork is formed with an accommodating space for installing the first mounting plate, the first mounting plate is assembled in the accommodating space and fixedly connected to the lower formwork by bolts, and each lower mold core is vertically Protruding upwards, the lower mold core protruding vertically upwards can movably extend into the forming mold core matched with the forming template.

In the above technical solution, the upper mold core assembly includes a second mounting plate, and the second mounting plate is provided with a plurality of mounting positions for the upper mold core, and an upper mold core is installed in each mounting position to make the upper mold core The mold core extends vertically downward; the forming template is formed with an installation space for installing the second installation plate, and the second installation plate is assembled in the installation space, and makes each upper mold core vertically Stretch downwards into the forming mold core provided on the forming template.

In the above technical solution, the upper and lower ends of the forming mold core of the forming template are respectively provided with an opening formed by matching the mouth of the shoulder sleeve and an arc-shaped opening formed by matching the shoulder skirt of the shoulder sleeve.

In the above technical solution, the first mounting plate is provided with four accommodation positions for the lower die cores, and the second mounting plate is provided with four mounting positions for the upper die cores.

Compared with the prior art, the utility model has the beneficial effects that: the injection mold of the present invention is an injection mold for the shoulder cover, and the shoulder cover formed by the injection mold has a smooth plane and a beautiful appearance; meanwhile, the production efficiency of the injection mold High, and not limited by the accuracy of the shape and size of the strip, less material waste; moreover, the new injection mold has a simplified structure and a long service life.

Description of drawings

Fig. 1 is the product schematic diagram of injection molding of the utility model injection mold

Fig. 2 is the three-dimensional schematic diagram of the utility model injection mold;

Fig. 3 is the exploded schematic view of the utility model injection mold;

Fig. 4 is a sectional view of the injection mold of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

The embodiments described by referring to the figures are exemplary and are intended to explain the present application and should not be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "several" and "multiple" mean two or more, unless otherwise specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations. In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, or include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "below" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the level of the first feature is smaller than that of the second feature

Accompanying drawing 1-4 has exemplified a kind of concrete embodiment of the present invention, and the present utility model is the injection mold of a kind of shoulder sleeve, and it comprises base 1, and the both sides of described base 1 transverse direction is provided with two irons 2, two sides A backing plate 3 is provided on the iron 2, and a lower mold assembly 4, an upper mold assembly 5, and a top mold seat 6 are sequentially arranged on the backing plate 3 from bottom to top; a number of vertically extending connections are arranged on the backing plate 3. shaft 7, the lower mold assembly 4 and the upper mold assembly 5 are movably mounted on the connecting shaft 7, and the lower mold assembly 4 and the upper mold assembly 5 move vertically along the connecting shaft 7 , matching the injection mold clamping/demolding; the lower mold assembly 4 includes a lower mold base 41 and a lower template 42, the lower mold base 42 is installed on the backing plate 3, and the lower template 42 is arranged on the lower On the mold base 41, and the lower template 42 is provided with a lower mold core assembly 8, each lower mold core 81 of the lower mold core assembly 8 extends vertically upwards into the forming template 51 of the upper mold assembly 5 In the forming mold core 52 provided, and be arranged on the forming template 51 of the upper mold assembly 5 and extend vertically downward from the upper end of the forming template 51 into the upper mold core assembly 9 of the corresponding forming mold core 52 The upper mold core 91 is docked, the upper mold plate 53 is installed on the bottom of the upper mold base 54 of the upper mold assembly 5, and the upper mold base 6 is fixed on the upper end of the upper mold base 54; The mold core 81 cooperates with the upper mold core 91 and the forming mold core 52 to form a cavity for forming the shoulder sleeve 001 when the lower mold assembly 4 and the upper mold assembly 5 are closed. It should be noted that the upper mold Each upper mold core 91 of the core assembly 9 is in communication with the runner system of the injection mold, and the injection molding material flows into the corresponding cavity along the runner system and the upper mold core 91; it also includes a telescopic assembly 10, and the telescopic assembly 10 is installed Between the two square irons 2, it is used to lift the lower mold assembly 4 to match the stripping of the shoulder sleeve 001. It should be noted that the so-called telescopic assembly 10 lifts the lower mold assembly 4 to match the shoulder sleeve 001. Stripping means that when the upper mold assembly 5 and the lower mold assembly 4 are demolded, the upper mold assembly 5 drives the upper mold core assembly 9, the forming template 51 and the forming mold core 52 to the lower mold assembly 4 away, the telescopic assembly 10 generates a vertical elastic force, which makes the lower mold assembly 4 move vertically, thereby driving the shoulder cover 001 to fall off from the lower mold core 81, and the matching completes the stripping.

In this embodiment, with reference to accompanying drawings 2-4, a guide post 11 is provided at both ends of each square iron 2 matching its extension direction, and the backing plate 3, lower mold base 41, lower template 42, The forming template 51, the upper template 53, the upper mold base 54 and the top template 6 are all pierced on the guide post 11, and the lower mold base 41, the lower template 42, the forming template 51 and the upper template 53 are connected with the Axle sleeves 12 are arranged at the joints of the guide posts 11 .

As a preference, referring to accompanying drawings 2-4, in this embodiment, the telescopic assembly 10 includes a bottom plate 101, a top plate 102, a first guide post 103, a spring 104 and a second guide post 105, and the bottom plate 101 is arranged on the On the base 1, the top plate 102 is fixedly connected to the bottom plate 101 through bolts (not numbered in the drawings), and the two first guide posts 103 are installed on both sides of the base 101, and the two first guide posts 103 are automatically Penetrating through the bottom plate 101 and the top plate 102 upwards and connected with the backing plate 3, so that the bottom plate 101 and the top plate 102 pass through the two first guide posts 103, each of the first guide posts 103 A spring 104 is sleeved between the top plate 102 and the backing plate 3, and the two springs 104 make the telescopic assembly 10 jack up the lower mold assembly 4 and move vertically by providing damping; the four corners of the bottom plate 101 are provided with a second guide Column 105, the second guide column 105 penetrates the top plate 102 from bottom to top and connects with the backing plate 3, the four second guide columns 105 are used to guide the vertical movement of the bottom plate 101 and the top plate 102, matching the telescopic assembly 10 jack up the lower mold assembly 4; in this embodiment, the base 1 is also provided with a number of third guide pillars 106, in practice, the number of the third guide pillars 106 is four, and the third guide pillars One end of 106 is fixedly connected to the base 1 through bolts, and the other end is movable against the backing plate 3, and the bottom plate 101 and the top plate 103 are both pierced on the third guide post 106; The three guide posts 106 are used to guide the vertical movement of the bottom plate 101 and the top plate 102 .

As a preference, with reference to accompanying drawings 2-4, in this embodiment, the lower mold core assembly 8 includes a first mounting plate 82, and the first mounting plate 82 is provided with a plurality of accommodation positions 821 for the lower mold cores 81 , in practice, the first mounting plate 82 is provided with four accommodation positions 821 for the lower mold cores 81, and each lower mold core 81 is installed in each accommodation position 821, and the four lower mold cores 81 are arranged in a 2 by 2 manner; The lower formwork 42 is formed with an accommodating space 421 for installing the first mounting plate 82, and the first mounting plate 82 is assembled in the accommodating space 421 and connected to the accommodating space 421 through bolts (not shown and labeled in the drawings). The lower template 42 is fixedly connected, and each lower mold core 81 protrudes vertically upward, and the vertically upwardly protruding lower mold core 81 can movably extend into the forming mold core 52 matched by the forming template 51.

As a preference, with reference to accompanying drawings 2-4, in this embodiment, the upper mold core assembly 9 includes a second mounting plate 92, and the second mounting plate 92 is provided with several mounting positions 921 for the upper mold core 91, In practice, the second mounting plate 92 is provided with four mounting positions 921 for the upper die cores 91, and one upper die core 91 is installed in each mounting position 921 so that the upper die cores 91 extend vertically downward, and the four upper die cores Kernels 91 are arranged in a 2 by 2 manner on the second mounting plate 92; the forming template 51 is shaped on a placement space 531 for installing the second mounting plate 92, and the second mounting plate 92 is assembled on the placement space 531, and make each upper die core 91 extend vertically downward into the forming die core 52 provided on the forming template 51; in this embodiment, the upper and lower ends of the forming die core 52 of the forming template 51 The opening formed by the mouth 002 of the matching shoulder cover 001 and the arc-shaped opening formed by the shoulder skirt 003 of the matching shoulder cover 001 are respectively provided.

It should be noted that, in practice, each corresponding upper mold core 91/lower mold core 81 of the upper mold core assembly 9 and the lower mold core assembly 8 can be the same or different in structure, that is, in the same injection mold, The single injection molded shoulder cover 001 can be the same or different in structure, and each is actually set according to production requirements.

The injection mold of this embodiment is an injection mold for shoulder sleeves, and the shoulder sleeves formed by this injection mold are smooth in plane and beautiful in appearance; the production efficiency of the injection molds of this embodiment is high, and it is not limited by the accuracy of the outer dimensions of the strips , less material waste; the injection mold of this embodiment has a simplified structure and a long service life.

The above does not limit the technical scope of the present utility model in any way, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims (8)

1. a kind of injection mold of shoulder set, it is characterised in that, including pedestal, the both sides of the pedestal horizontal direction set two square iron, Backing plate is set on two square iron, sets gradually lower mold assemblies, upper die component and backform seat on the backing plate from bottom to top；On the backing plate If several vertically extending connecting shafts, the lower mold assemblies and upper die component activity are threaded through in the connecting shaft, and it is described under Membrane module and upper die component are vertically movable along the connecting shaft, match the injection mould closing/demoulding；The lower mold assemblies packet Lower die holder and lower template are included, the lower die holder is installed on backing plate, and the lower template is located on lower die holder, and in the lower template Equipped with lower mode component, each lower mode of the lower mode component is stretched into vertically upward on the forming panel of the upper die component In the molding mode of setting, and be located on the forming panel of the upper die component and from the forming panel upper end vertically downwards The upper cores docking of the upper cores component of corresponding molding mode is stretched into, the lower mode coordinates the upper cores and molding mode to exist The lower mold assemblies and upper die component constitute the cavity for being molded the shoulder set when molding;Further include telescopic component, described flexible group Part is installed in the de- material between two square iron and for jacking up the lower mold assemblies matching shoulder set.

2. a kind of injection mold of shoulder set according to claim 1, it is characterised in that, it matches it on each square iron and prolongs The both ends for stretching direction are all provided with a guide post, and the backing plate, lower die holder, lower template, forming panel, cope plate and top template are threaded through On the guide post, and axle sleeve is all provided with the guide post junction on the lower die holder, lower template, forming panel and cope plate.

3. a kind of injection mold of shoulder set according to claim 1, it is characterised in that, the telescopic component include bottom plate, Top plate, the first guide post, spring and the second guide post, the bottom plate are set on the base, and the top plate passes through bolt and the bottom Plate is affixed, and two first guide posts are installed in two sides of the pedestal, and two first guide posts are bottom-up through the bottom plate and top Plate is simultaneously connect with the backing plate, and the bottom plate is made to be threaded through on two first guide posts with top plate, described on each first guide post A spring is arranged between top plate and backing plate, two spring makes telescopic component jack-up lower mold assemblies vertically move by providing damping It is dynamic；The bottom plate quadrangle is all provided with second guide post, and second guide post runs through the top plate and the backing plate from bottom to top Connection, for 4 second guide posts for guiding the bottom plate and top plate vertically movable, matching telescopic component jacks up lower mold assemblies.

4. a kind of injection mold of shoulder set according to claim 3, it is characterised in that, several the are additionally provided on the pedestal Three guide posts, third guide post one end is affixed by bolt and the pedestal, and other end activity, which is supported, only contacts the backing plate, and The bottom plate and top plate are threaded through on the third guide post;Several third guide posts are used to guide the bottom plate and top plate It is vertically movable.

5. a kind of injection mold of shoulder set according to any one of claims 1 to 4, it is characterised in that, the lower mode group Part includes the first mounting plate, and first mounting plate is equipped with the accommodating position of several lower modes, is installed in each accommodating position Mode;The accommodating space for installing first mounting plate is formed in the lower template, first mounting plate is assemblied in the appearance It is in emptying and affixed by bolt and the lower template, and make each lower mode vertically towards protruding above, vertically court protrudes above Lower mode energy activity is stretched into the matched molding mode of the forming panel.

6. a kind of injection mold of shoulder set according to claim 5, it is characterised in that, the upper cores component includes second Mounting plate, second mounting plate are equipped with the installation position of several upper cores, and a upper cores are installed in each installation position and make institute Upper cores are stated vertically downwards to extend；It is formed with the accommodation space for installing second mounting plate on the forming panel, described second Mounting plate is assemblied in the accommodation space, and each upper cores is made to stretch into the molding mode being arranged on forming panel vertically downwards It is interior.

7. a kind of injection mold of shoulder set according to claim 6, which is characterized in that the molding mode of the forming panel Upper and lower ends be respectively equipped with matching shoulder set mouthpiece it is molding opening and matching shoulder set the molding arc opening in shoulder skirt section.

8. a kind of injection mold of shoulder set according to claim 7, which is characterized in that set four on first mounting plate The accommodating position of lower mode, second mounting plate set the installation position of four upper cores.