CN214687598U - Mould for producing artificial suture of automotive interior trim with pull-drop effect - Google Patents

Abstract

A mould for producing the simulated suture of the interior decorative surface of the automobile with the effect of pulling and falling comprises a mould body, wherein the mould body consists of a convex mould plate and a concave mould plate, and a cavity for filling soft injection molding materials is formed between the convex mould plate and the concave mould plate; the convex membrane plate is provided with a plurality of step bulges, the step bulges are provided with suture jacking blocks, the concave template is provided with a plurality of suture texture depressions and a plurality of suture texture convex rings, and the step bulges are in one-to-one correspondence with the suture texture depressions; the thread texture convex ring is positioned on the periphery of the joint of every two adjacent thread texture depressions, the protruding direction of the thread texture convex ring is opposite to the recessed direction of the thread texture depressions, a lower needle hole top surface is arranged between every two adjacent thread texture depressions, and the lower needle hole top surface is positioned at the highest protruding position of the thread texture convex ring. The pull-drop effect of the real suture line is achieved, and the simulation effect of the suture line is ideal and very close to that of the real suture line.

Description

Mould for producing artificial suture of automotive interior trim with pull-drop effect

Technical Field

The application relates to the technical field of interior trim processing, in particular to a die for producing an automotive interior trim simulation suture line with a pull-drop effect.

Background

In order to improve the grade and the user experience effect and improve the overall sensory level of a product, the existing interior surface usually adopts a leather material and is sewn and spliced; for example, the leather-like decorative surface is used on the interior decorative surface of an automobile on more occasions, particularly for some high-grade vehicles, the interior decorative surface is usually made of leather materials in order to improve the user experience, and the splicing and sewing positions of all the positions are sewn by using needles and threads; however, the leather material is expensive, inconvenient to process, low in production efficiency due to manual sewing, and easy to cut for multiple times according to the specific interior structure, so that leather waste is caused.

At present, the suture effect is imitated by adopting a direct injection molding mode, but the suture prepared by the direct injection molding at present is generally integrally injected by adopting a set of mold and a hard material, so the simulation effect of the texture of the injected suture is not ideal, and the injected suture is only the appearance of simple suture texture, is rough and has no pull-drop effect of a real suture and is difficult to be applied to high-end automotive interior trim; how to provide a suture mold which can be injection molded and is very vivid and very close to a real suture becomes a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the present application provides a mold for producing an automotive interior surface simulation suture line with a pull-drop effect, which has a pull-drop effect of a real suture line, and a suture simulation effect is ideal and very close to the real suture line, aiming at the above disadvantages of the prior art.

In order to solve the technical problem, the technical scheme adopted by the application is as follows: a mould for producing the simulated suture of the interior decorative surface of the automobile with the effect of pulling and falling comprises a mould body, wherein the mould body consists of a convex mould plate and a concave mould plate, and a cavity for filling soft injection molding materials is formed between the convex mould plate and the concave mould plate; the convex membrane plate is provided with a plurality of step bulges, the step bulges are provided with suture jacking blocks, the concave template is provided with a plurality of suture texture depressions and a plurality of suture texture convex rings, and the step bulges are in one-to-one correspondence with the suture texture depressions; the thread texture convex ring is positioned on the periphery of the joint of every two adjacent thread texture depressions, the protruding direction of the thread texture convex ring is opposite to the recessed direction of the thread texture depressions, a lower needle hole top surface is arranged between every two adjacent thread texture depressions, and the lower needle hole top surface is positioned at the highest protruding position of the thread texture convex ring.

By adopting the structure, the interior trim panel with the simulated suture is prepared through the mold, the suture on the interior trim panel is directly obtained through injection molding, the texture is clear, the simulation effect is good, particularly, the suture texture convex ring is arranged at the joint of every two adjacent suture texture depressions, the top surface of the lower needle hole is correspondingly arranged between every two adjacent suture texture depressions and is positioned at the highest protruding position of the suture texture convex ring, so that the pulling and dropping effects of the real suture and the lower needle hole effects of the real suture are realized, the complete automobile interior trim simulated suture is obtained by combining the suture textures, compared with the traditional simple suture texture obtained through injection molding, the simulation effect is more vivid, the simulation effect can be improved, the interior trim panel is applied to different high-end vehicles, and the added value is improved; in addition, the injection mold can be used for preparing the injection suture with the effect which is particularly realistic to the real suture and effectively improving the grade of the automotive interior, and the interior with the realistic suture effect obtained by the injection molding mode has lower cost and faster productivity than real leather sewing, is suitable for mass injection production and is suitable for the interior of each grade of automobile models at high, middle and low ends; in addition, the mould can also flexibly adjust different colors of the suture according to specific interior environment and customized requirements, and match with the integral interior design of the automobile, so that the manufacturing cost of automobile manufacturers for the automobile is effectively reduced, and the soft injection molding material is adopted for injection molding, so that the surface of the obtained injection molding product has hand feeling of genuine leather, and is combined with the pull-drop and the needle hole to be completely equivalent to the real suture.

Preferably, the protruding direction of the step protrusion is consistent with the recessed direction of the suture texture recess to form a cavity simulating suture texture, and the protruding direction of the suture texture convex ring is opposite to the recessed direction of the suture texture recess to form a pull-drop structure; by adopting the specific structure mode, after injection molding, a convex suture line texture can be formed on the surface of the decorative surface of the injection molding product, meanwhile, a downward concave pull-drop structure is formed on the periphery of the suture line texture, the pull-drop structure is the same as that of a pull-drop formed by a real suture on a real leather or other decorative materials, and the obtained complete suture line structure is very vivid.

Preferably, the plurality of suture texture depressions are adjacent to each other and extend over the cavity plate, and the plurality of step protrusions are adjacent to each other and extend over the cavity plate; the extending directions of the step bulges and the suture texture depressions are consistent, and one suture texture depression corresponds to one step bulge; by adopting the structure, a complete whole simulation suture can be molded at one time, the production efficiency is improved, and the consistency of the simulation suture is high and the uniformity is good.

Preferably, the plurality of seam texture convex rings are oval, and the seam texture convex rings are adjacent to each other; adopt this structure, can provide more lifelike drawing and weigh down the effect, the injection moulding product that makes can satisfy the demand of emulation interior more. Further preferably, the plurality of seam texture convex rings are respectively positioned on the periphery of the top surface of the lower needle hole at every two adjacent joints of the plurality of seam texture concave rings; by adopting the structure, the thread texture convex ring is arranged at the specific position, and the pulling and dropping effect formed by the thread texture convex ring is consistent with that of a real thread, so that the simulation effect is further improved.

Still further preferably, the oval-shaped suture texture bead has a first end and a second end along the length of the suture texture recess, the first end being larger than the second end; by adopting the structure, the display of the pull-drop effect can be further improved.

Preferably, the step bulge comprises a lower end surface combined with the surface of the convex template and an upper end surface combined with the suture ejector block, and the width of the lower end surface is greater than that of the upper end surface; one end of the suture ejector block is combined with the upper end face of the step bulge, the area of the end faces where the combination faces of the suture ejector block and the step bulge are located is equal and completely overlapped, and the other end of the suture ejector block is arc-shaped and extends upwards; by adopting the structure, the structure can be mutually combined with the suture texture recess to form a complete suture cavity, so that the suture texture obtained by injection molding is more vivid.

Further preferably, the depth of the texture depression of the suture is 0.3-0.6 mm; by adopting the structure, the height of the suture protruding from the upper surface of the injection molding layer can be well limited, and the ideal simulation effect of the suture is ensured.

Preferably, the injection molding material is injected into the cavity to form an injection molding layer, and the injection molding layer is made of a soft plastic injection molding material; by adopting the structure, the technical effect of the real leather simulation suture can be better presented, and the structure is more vivid.

Further preferably, the plurality of step protrusions are adjacent to each other to form a step protrusion extending along the length direction of the convex template, and the heads and the tails of the adjacent step protrusions in the strip are staggered with each other (namely, the front step protrusion and the rear step protrusion are arranged in a slightly inclined manner, but not completely on the same straight line); adopt this structure, can mould plastics and more add lifelike suture for the suture that obtains of moulding plastics is close with real suture more, promotes the simulation effect of whole suture of moulding plastics.

Further preferably, the step bulges and the suture texture depressions are one or more (two or more) and are sequentially arranged along the surface of the convex template or the concave template; one or more than one thread can be injected at one time according to the requirement of the specific suture by adopting the structure, thereby saving working procedures and time.

Preferably, each suture texture recess is a texture recess formed by adjacent 4-12 inclined arc-shaped grooves, and the recess depth of the arc-shaped grooves gradually increases from two ends to the middle along the length direction of the suture texture recess; furthermore, each suture texture concave is a texture concave formed by adjacent 6-8 inclined arc-shaped grooves. By adopting the structure, the suture texture of the final injection-molded product is closer to the real suture shape.

Preferably, the thickness of each suture texture concave is proportional to the convex height of the suture texture convex ring; by adopting the structure, the injection molding product corresponding to the stitch texture and the pull-drop structure can be injected, so that the final texture is more vivid with the real stitch.

Description of the drawings:

fig. 1 is a schematic structural diagram of a simulation suture mold according to the present application.

Fig. 2 is a schematic structural diagram of a partially enlarged view of a step protrusion in fig. 1 of the present application.

FIG. 3 is an enlarged partial view of the texture depressions of the suture of FIG. 1 according to the present application.

FIG. 4 is a schematic view of a cross-sectional view of a portion of a cavity plate according to the present application.

Fig. 5 is a schematic structural view of the step protrusion of the present application.

Fig. 6 is a schematic structural view of the male mold plate of the present application.

FIG. 7 shows an injection molded product with a simulated suture effect prepared by the simulated suture mold of the present application.

As shown in the attached drawings: a. the novel needle punching die comprises a die body, a convex die plate 1, a concave die plate 2, a step bulge 1.1, a lower end face 1.11, an upper end face 1.12, a suture top block 1.2, a suture texture recess 2.1, a suture texture convex ring 2.2, a first end head 2.21, a second end head 2.22 and a lower needle hole top face 2.3.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only preferred embodiments, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention;

further, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by way of the intervening elements. 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. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3 and 4, the mold for producing the simulated suture line with the pull-drop effect for the interior trim of the automobile comprises a mold body a, wherein the mold body a is composed of a male mold plate 1 and a female mold plate 2, and a cavity for filling a soft injection molding material is formed between the male mold plate 1 and the female mold plate 2 (the soft injection molding material is mainly used for obtaining an injection molding surface with genuine leather hand feeling, and is combined with the suture line texture of the present application to form a complete injection molding product of the simulated suture line and the simulated skin trim); the convex membrane plate 1 is provided with a plurality of step bulges 1.1, the step bulges 1.1 are provided with suture top blocks 1.2, the concave template 2 is provided with a plurality of suture texture depressions 2.1 and a plurality of suture texture convex rings 2.2, and the step bulges 1.1 and the suture texture depressions 2.1 are in one-to-one correspondence (namely the positions of the step bulges and the suture texture depressions are aligned with each other, and an injection molding space or an accommodating space of suture textures is formed between the step bulges and the suture texture depressions); the stitch texture convex ring 2.2 is located on the periphery of the joint of every two adjacent stitch texture depressions 2.1 (namely the stitch texture convex ring surrounds the joint of every two adjacent stitch texture depressions 2.1 and forms a pull-drop structure at the final injection-molded stitch position), the protruding direction of the stitch texture convex ring 2.2 is opposite to the recessed direction of the stitch texture depressions 2.1, a lower needle hole top surface 2.3 is arranged between every two adjacent stitch texture depressions 2.1 (the arrangement of the lower needle hole top surface can form the shape of a lower needle hole at the final injection-molded stitch texture, the joint of every two adjacent stitch texture depressions and the real stitch are closer to each other), and the lower needle hole top surface 2.3 is located at the highest protruding position of the stitch texture convex ring 2.2.

By adopting the structure, the interior trim panel with the simulated suture is prepared through the mold, the suture on the interior trim panel is directly obtained through injection molding, the texture is clear, the simulation effect is good, particularly, the suture texture convex ring is arranged at the joint of every two adjacent suture texture depressions, the top surface of the lower needle hole is correspondingly arranged between every two adjacent suture texture depressions and is positioned at the highest protruding position of the suture texture convex ring, so that the pulling and dropping effects of the real suture and the lower needle hole effects of the real suture are realized, the complete automobile interior trim simulated suture is obtained by combining the suture textures, compared with the traditional simple suture texture obtained through injection molding, the simulation effect is more vivid, the simulation effect can be improved, the interior trim panel is applied to different high-end vehicles, and the added value is improved; in addition, the injection mold can be used for preparing the injection suture with the effect which is particularly realistic to the real suture and effectively improving the grade of the automotive interior, and the interior with the realistic suture effect obtained by the injection molding mode has lower cost and faster productivity than real leather sewing, is suitable for mass injection production and is suitable for the interior of each grade of automobile models at high, middle and low ends; in addition, the mould can also flexibly adjust different colors of the suture according to specific interior environment and customized requirements, and match with the integral interior design of the automobile, so that the manufacturing cost of automobile manufacturers for the automobile is effectively reduced, and the soft injection molding material is adopted for injection molding, so that the surface of the obtained injection molding product has hand feeling of genuine leather, and is combined with the pull-drop and the needle hole to be completely equivalent to the real suture.

As shown in fig. 1, the protruding direction of the step protrusion 1.1 of the present application is consistent with the recessed direction of the suture texture recess 2.1 to form a cavity simulating suture texture, and the protruding direction of the suture texture convex ring 2.2 is opposite to the recessed direction of the suture texture recess 2.1 to form a pull-drop structure (when real leather material is sewed with real suture, there is a downward pull-drop effect at the position of a lower needle, and in order to make the simulated suture of the present application more approximate to the sewing effect of real suture, a pull-drop structure is provided); by adopting the specific structure mode, after injection molding, a convex suture line texture can be formed on the surface of the decorative surface of the injection molding product, meanwhile, a downward concave pull-drop structure is formed on the periphery of the suture line texture, the pull-drop structure is the same as that of a pull-drop formed by a real suture on a real leather or other decorative materials, and the obtained complete suture line structure is very vivid.

As shown in fig. 1 and 3, the suture texture depressions 2.1 are multiple, and the multiple suture texture depressions 2.1 are adjacent to each other and extend on the concave template 2 (the suture texture depressions are adjacent to each other along the length direction, can be in head-to-tail contact, or are arranged at intervals and in close proximity); the number of the step bulges 1.1 is multiple, and the step bulges 1.1 are mutually adjacent and extend on the convex template 1; the extending directions of the step bulges 1.1 and the suture texture depressions 2.1 are consistent, and one suture texture depression 2.1 corresponds to one step bulge 1.1; by adopting the structure, a complete whole simulation suture can be molded at one time, the production efficiency is improved, and the consistency of the simulation suture is high and the uniformity is good.

As shown in fig. 1 and 3, the plurality of seam texture beads 2.2 are oval, and the seam texture beads 2.1 are adjacent to each other; adopt this structure, can provide more lifelike drawing and weigh down the effect, with the injection moulding product that the preparation that pinhole top surface formed under the true suture more can satisfy the demand of emulation interior trim.

As shown in fig. 1 and 3, the plurality of suture texture beads 2.2 are respectively located on the periphery of the top surface 2.3 of the lower needle hole at every two adjacent joints of the plurality of suture texture recesses 2.1, that is, the suture texture beads are arranged on the periphery of the intersection position of each suture texture recess and the adjacent suture texture recess, and form a periphery which is equivalent to the needle puncture position of a real suture after injection molding of the suture; by adopting the structure, the thread texture convex ring 2.2 is arranged at the specific position, and the pulling and dropping effect formed by the thread texture convex ring is consistent with that formed by a real thread, so that the simulation effect is further improved; the top surface of the lower needle hole can be a completely overlapped position of two adjacent suture texture depressions, or a position of the top surface of the lower needle hole formed by the two adjacent suture texture depressions with a slightly small distance, and as shown in fig. 3, the top surface 2.3 of the lower needle hole is a position formed by the two adjacent suture texture depressions with a certain distance and without direct contact.

As shown in fig. 3, the elliptical suture texture bead 2.2 of the present application has a first end 2.21 and a second end 2.22 along the length of the suture texture recess 2.1, the first end 2.21 being larger than the second end 2.22 (i.e., the first end is wider and the second end is narrower relative to the first end); by adopting the structure, the display of the pull-drop effect can be further improved.

As shown in fig. 2 and 5, the step protrusion 1.1 of the present application comprises a lower end surface 1.11 combined with the surface of the convex template 1 and an upper end surface 1.12 combined with the suture top block 1.2, wherein the width of the lower end surface 1.11 is greater than that of the upper end surface 1.12; one end of the suture ejector block 1.2 is combined with the upper end face 1.12 of the step protrusion, the areas of the end faces where the combination faces of the two are located are equal and completely overlapped, and the other end of the suture ejector block 1.2 is arc-shaped and extends upwards; the step bulge 1.1 and the suture ejector block 1.2 are integrally arranged to form a stable structure, so that injection molding and demolding are guaranteed; by adopting the structure, the structure can be mutually combined with the suture texture recess to form a complete suture cavity, so that the suture texture obtained by injection molding is more vivid.

The depth of the suture texture depressions 2.1 described herein is 0.3-0.6 mm; by adopting the structure, the height of the suture protruding from the upper surface of the injection molding layer can be well limited, and the ideal simulation effect of the suture is ensured.

The injection molding material is injected into the cavity to form an injection molding layer, and the injection molding layer is made of a soft rubber injection molding material; by adopting the structure, the technical effect of the real leather simulation suture and the hand feeling of real leather can be better presented, and the structure is more vivid.

As shown in fig. 6, a plurality of step protrusions 1.1 described in the present application are adjacent to each other to form a step protrusion extending along the length direction of the male form 1 (i.e. to form a complete male form of seam texture), and the heads and tails of the adjacent step protrusions 1.1 in the strip are staggered from each other (i.e. the previous step protrusion and the next step protrusion are slightly inclined, rather than being completely in a straight line, and the inclined direction of each step protrusion is the same); adopt this structure, can mould plastics and more add lifelike suture for the suture that obtains of moulding plastics is close with real suture more, promotes the simulation effect of whole suture of moulding plastics.

The step bulges 1.1 and the suture texture depressions 2.1 are one or more (two or more) and are sequentially arranged along the surface of the convex template or the concave template; namely, a plurality of mutually corresponding step bulges 1.1 and suture texture depressions 2.1 can be arranged on the same group of moulds; one or more than one thread can be injected at one time according to the requirement of the specific suture by adopting the structure, thereby saving working procedures and time.

As shown in the attached drawing 1, both the male mold plate 1 and the female mold plate 2 are provided with concave grooves, the step protrusions 1.1, the suture texture depressions 2.1 and the suture texture convex rings 2.2 are arranged on the bottom surfaces of the respective concave grooves, the concave grooves are of rectangular concave structures, and thus, injection molded products formed by injection molding are neat facing materials; in addition, two protruding structures are further arranged on the surface of the concave groove where the suture texture concave 2.1 and the suture texture convex ring 2.2 are located, the protruding structures extend along the extending direction of the suture texture concave and the suture texture convex ring, one of the protrusions is provided with the suture texture concave 2.1 and the suture texture convex ring 2.2, the other protrusion is arranged side by side with the protrusions, the protruding direction of the protrusion is consistent with the protruding direction of the suture texture convex ring, the leather splicing trace effect of the suture texture position can be formed after the injection molding is completed, and the final injection molded product is more vivid.

As shown in the attached drawing 7, for the injection molding product with the simulation suture effect prepared by the mold, the simulation suture prepared by the injection molding product is very close to the real suture, the effect is very vivid, the injection molding product can be effectively applied to the interior of a high-end vehicle, the effect of simulating the leather suture is realized, the generation efficiency is effectively improved, and meanwhile, the loss of leather materials is reduced, and the cost is effectively saved.

The mold with the structure is matched with a first injection molding product mold for use, wherein the first injection molding mold is used for injecting a hard injection molding material (only the conventional injection molding material for injecting the automobile interior surface) to form a complete base surface layer of the automobile interior surface, then the first injection molding product is arranged on a convex template of the mold, corresponding step bulges, suture top blocks and suture texture positions of the first injection molding product are clamped and matched, then a concave template is covered on the convex template, a cavity for injecting a soft injection molding material (only the conventional injection molding material capable of injecting genuine leather hand feeling) is formed between the surface of the first injection molding product and the convex template, a pull-drop structure, a lower pinhole and other structures forming final suture textures are arranged in the cavity, and the complete injection molding product with simulated suture textures is obtained after the final secondary injection molding is completed, and has the advantages of genuine leather hand feeling, real suture pulling and dropping, needle hole dropping and reasonable thickness of the injection molding product.

Claims (10)

1. The utility model provides a production has mould of car interior veneer emulation suture that draws effect of weighing down which characterized in that: the mold comprises a mold body (a), wherein the mold body (a) consists of a convex mold plate (1) and a concave mold plate (2), and a cavity for filling soft injection molding materials is formed between the convex mold plate (1) and the concave mold plate (2); the thread drawing die is characterized in that a plurality of step bulges (1.1) are arranged on the convex die plate (1), thread jacking blocks (1.2) are arranged on the step bulges (1.1), a plurality of thread texture depressions (2.1) and a plurality of thread texture convex rings (2.2) are arranged on the concave die plate (2), and the step bulges (1.1) correspond to the thread texture depressions (2.1) one by one; the suture texture convex ring (2.2) is positioned on the periphery of the joint of every two adjacent suture texture concave parts (2.1), the convex direction of the suture texture convex ring (2.2) is opposite to the concave direction of the suture texture concave parts (2.1), a lower needle hole top surface (2.3) is arranged between every two adjacent suture texture concave parts (2.1), and the lower needle hole top surface (2.3) is positioned at the highest convex position of the suture texture convex ring (2.2).

2. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: the protruding direction of the step protrusion (1.1) is consistent with the recessed direction of the suture texture recess (2.1) to form a simulated suture texture cavity, and the protruding direction of the suture texture convex ring (2.2) is opposite to the recessed direction of the suture texture recess (2.1) to form a pull-drop structure.

3. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: the plurality of suture texture depressions (2.1) are adjacent to each other and extend on the concave template (2), and the plurality of step bulges (1.1) are adjacent to each other and extend on the convex template (1); the extending direction of the step bulges (1.1) is consistent with that of the suture texture depressions (2.1), and one suture texture depression (2.1) corresponds to one step bulge (1.1).

4. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: the plurality of seam texture convex rings (2.2) are oval, and the seam texture convex rings (2.2) are adjacent to each other.

5. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 4, is characterized in that: the plurality of suture texture convex rings (2.2) are respectively positioned on the periphery of the top surface (2.3) of the lower needle hole at every two adjacent joints of the plurality of suture texture concave parts (2.1); the elliptical suture texture convex ring (2.2) is provided with a first end head (2.21) and a second end head (2.22) along the length direction of the suture texture concave (2.1), and the first end head (2.21) is larger than the second end head (2.22).

6. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: the step bulge (1.1) comprises a lower end surface (1.11) combined with the surface of the convex template and an upper end surface (1.12) combined with the suture top block, and the width of the lower end surface (1.11) is greater than that of the upper end surface (1.12); one end of the suture ejector block (1.2) is combined with the upper end face (1.12) of the step bulge (1.1), the areas of the end faces where the combination surfaces of the suture ejector block and the step bulge are equal and completely overlapped, and the other end of the suture ejector block (1.2) is arc-shaped and extends upwards.

7. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: the depth of the suture texture depressions (2.1) is 0.3-0.6 mm; the step bulges (1.1) are adjacent to each other to form a step bulge extending along the length direction of the convex template (1), and the heads and the tails of the adjacent step bulges in the strip are staggered with each other.

8. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 3, is characterized in that: the step bulges (1.1) and the suture texture depressions (2.1) are one or more.

9. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: each suture texture recess (2.1) is a texture recess formed by adjacent 4-12 inclined arc-shaped grooves, and the recess depth of the arc-shaped grooves gradually increases from two ends to the middle along the length direction of the suture texture recess.

10. The mold for producing the simulated suture line with the pull and drop effect for the automobile interior decoration surface according to claim 1, is characterized in that: each suture texture recess (2.1) is a texture recess formed by adjacent 6-8 oblique arc-shaped grooves; the thickness of each suture texture recess (2.1) is proportional to the height of the projection of the suture texture bead.

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