Automobile luggage compartment extrusion device facilitating die replacement
By designing an automotive luggage compartment extrusion device that facilitates mold replacement, and employing a centering clamping and fixing mechanism and a friction reduction mechanism, the problem of time-consuming mold replacement has been solved, enabling rapid and convenient mold replacement and improving production efficiency.
Patent Information
- Application Number
- CN202520512334.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
The existing automotive trunk extrusion mold requires manual alignment and screw tightening during mold replacement, which is time-consuming and involves high friction, making operation inconvenient.
An automotive luggage compartment extrusion device was designed, which includes a centering clamping and fixing mechanism and a friction reduction mechanism. It uses a pneumatic drive component to realize automatic centering and clamping of the mold and reduce sliding friction, and is equipped with a quick-change clamping block mechanism.
It enables quick and convenient mold replacement, reduces operation time, and improves production efficiency and safety.
Smart Images

Figure CN223948342U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile accessory manufacturing, in particular to an automobile luggage compartment extrusion device convenient for replacing mould. BACKGROUND
[0002] The automobile luggage compartment extrusion mould is an essential tool in the automobile manufacturing process, used for manufacturing various parts of the automobile luggage compartment. With the continuous development and technological progress of the automobile industry, the automobile luggage compartment extrusion mould has made significant development in terms of technical level, material selection, intelligent manufacturing, and environmental protection and energy saving. In the future, with the continuous development of the automobile industry and the promotion of intelligent manufacturing, the automobile luggage compartment extrusion mould is expected to achieve higher levels of intelligence, efficiency, and green manufacturing, providing better support and protection for the development of the automobile manufacturing industry.
[0003] Chinese patent CN112297545B discloses a thermoplastic automobile interior part, a preparation mould and a preparation method thereof. The preparation mould comprises an upper mould plate and a lower mould plate, the upper mould plate and the lower mould plate are opposite to form an inner mould cavity, the lower mould plate is provided with a telescopic air needle and a vacuum suction hole communicating with the inner mould cavity, and the telescopic air needle can extend into the inner mould cavity. The thermoplastic automobile interior part can be prepared by one-step mould pressing, the preparation process is simple, the production efficiency is high, the preparation process is environmentally friendly, and no adhesive is needed. The core material of the thermoplastic automobile interior part is a foamed core material or a thermoplastic honeycomb structure core material, achieving lightweight effect. The internal structure of the thermoplastic automobile interior part can be freely designed, and products with equal thickness or unequal thickness can be produced according to needs, and the product folding function can be realized by one-step mould pressing. The thermoplastic automobile interior part can be recycled, has light weight, good sound insulation effect and large bearing capacity. However, the device still has the following problems:
[0004] During the mould replacement process, the mould needs to be manually aligned, and then the mould position is fixed by screwing, which consumes a lot of time. Moreover, the manual alignment during the mould replacement process causes large sliding friction of the mould, which is not convenient for workers to push.
[0005] Therefore, the utility model designs a kind of automobile luggage compartment extrusion device of convenient replacement mould to solve above-mentioned problems. UTILITY MODEL CONTENTS
[0006] In view of the above shortcomings of the prior art, the utility model provides an automobile luggage compartment extrusion device convenient for replacing mould.
[0007] To achieve the above purpose, the utility model realizes the following technical scheme:
[0008] An automobile luggage compartment extrusion device convenient for replacing mould, comprising a base and an extrusion mould plate, characterized in that: it further comprises a centering clamping and fixing mechanism and a friction force reducing mechanism.
[0009] The luggage compartment forming die cavity is formed in the extrusion die plate to form the luggage compartment;
[0010] The friction reducing mechanism is installed on the base to reduce the sliding friction between the base and the extrusion die plate when the extrusion die plate is jacked up;
[0011] The centering and clamping fixing mechanism is installed on the friction reducing mechanism to automatically center and clamp the extrusion die plate when the mold is installed;
[0012] The centering and clamping fixing mechanism comprises a centering assembly, a driving assembly one and a clamping plate limiting assembly; the friction reducing mechanism, the driving assembly one and the clamping plate limiting assembly are connected with the centering assembly, the driving assembly one is connected with the friction reducing mechanism; the clamping plate limiting assembly is connected with the friction reducing mechanism; two sets of clamping plate limiting assemblies are symmetrically arranged at the front and rear ends of the centering assembly; the centering assembly is used to push the extrusion die plate to the center, the driving assembly one is used to drive the centering assembly and the clamping plate limiting assembly; the clamping plate limiting assembly is used to clamp and fix the extrusion die plate; the driving assembly one is a pneumatic driving assembly.
[0013] Further, the centering assembly comprises a connecting plate, a connecting rod, a clamping plate and a fixed plate; the connecting plate is limitingly and slidably connected with the friction reducing mechanism through a limiting slot formed in the friction reducing mechanism, the left and right sides of the connecting plate are hingedly connected with a connecting rod, the ends of the two connecting rods away from each other are hingedly connected with the lower end of the fixed plate, and the upper end of the fixed plate is clamped with the clamping plate; the fixed plate is connected with the clamping plate limiting assembly; the connecting plate is fixedly connected with the driving end of the driving assembly one; an L-shaped slot for clamping the extrusion die plate is formed in the clamping plate.
[0014] Further, the clamping plate limiting assembly comprises a limiting sliding rail and a sliding block; the lower end of the limiting sliding rail is connected with the friction reducing mechanism, the sliding block is limitingly and slidably connected with the limiting sliding rail, and the sliding block is fixedly connected with the lower end of the fixed plate.
[0015] Further, the friction reducing mechanism comprises a driving assembly two and a supporting sliding assembly; the driving assembly two is connected with the base, and the driving assembly two is connected with the supporting sliding assembly; the supporting sliding assembly abuts against the extrusion die plate; the supporting sliding assembly is connected with the connecting plate; the driving assembly two is used to drive the supporting sliding assembly; the supporting sliding assembly is used to jack up the extrusion die plate to reduce the sliding friction of the extrusion die plate.
[0016] Further, the driving assembly two comprises a pneumatic cylinder two; two pneumatic cylinders two are symmetrically arranged at the left and right ends of the supporting sliding assembly; the lower end of the pneumatic cylinder two is fixedly connected with the base, and the driving end of the pneumatic cylinder two is connected with the supporting sliding assembly.
[0017] Further, the support sliding assembly comprises a support block and a plurality of balls; the support block is provided with a limiting sliding groove, and the connecting plate is connected to the support block in a limiting sliding mode through the limiting sliding groove; the upper end of the support block is rotatably connected to the plurality of balls; the plurality of balls are equidistantly arranged at the upper end of the support block; the support block is fixedly connected to the driving end of the second air cylinder, and the inner bottom of the support block is fixedly connected to the driving assembly; the upper end of the support block is fixedly connected to the limiting sliding rail; and the balls abut against the extrusion die plate.
[0018] Further, the centering clamping fixing mechanism is provided with a clamping block quick replacement mechanism which can replace the clamping assembly according to the thickness of the extrusion die plate.
[0019] Further, the extrusion die plate comprises a luggage compartment forming die cavity, a forming protrusion, a lower die plate, an upper die plate and a plurality of ribs; the upper die plate is fixedly provided at the lower end with the forming protrusion which cooperates with the luggage compartment forming die cavity to form the luggage compartment; the lower die plate is provided at the upper end with the luggage compartment forming die cavity which cooperates with the forming protrusion to form the luggage compartment; a plurality of ribs are fixedly arranged in the luggage compartment forming die cavity, and a plurality of grooves are arranged at the lower end of the forming protrusion; the ribs and the grooves cooperate to form the rib structure of the luggage compartment; and the balls abut against the lower end of the lower die plate.
[0020] Compared with the prior art, the utility model has the advantages that: 1. The utility model discloses a centering clamping fixing mechanism which can automatically center, fix and clamp the mold after the mold is placed on the extrusion table; meanwhile, the friction force reducing mechanism reduces the friction force and saves the replacement time of the operator;
[0021] 2. The utility model discloses a clamping block quick replacement mechanism which can replace the clamping block according to the speed of the die plate during the replacement of the mold, thereby saving the replacement time. DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.
[0023] Figure 1 It is a perspective view of the automobile luggage compartment extrusion device convenient for replacing the mold of the utility model;
[0024] Figure 2 It is a front view of the automobile luggage compartment extrusion device convenient for replacing the mold of the utility model;
[0025] Figure 3 It is a top view of the automobile luggage compartment extrusion device convenient for replacing the mold of the utility model;
[0026] Figure 4 is a sectional view taken along the A-A direction of Figure 3 ;
[0027] Figure 5 is a partial perspective view of a luggage compartment extrusion device of the utility model.
[0028] The reference numerals in the drawings represent respectively:
[0029] 1, base; 2, centering clamping and fixing mechanism; 21, centering assembly; 211, connecting plate; 212, connecting rod; 213, clamping plate; 214, fixed plate; 22, driving assembly one; 23, clamping plate limiting assembly; 231, limiting slide rail; 232, sliding block; 3, friction reducing mechanism; 31, driving assembly two; 311, cylinder two; 32, supporting sliding assembly; 321, supporting block; 322, ball; 4, extrusion template; 41, luggage compartment forming die cavity; 43, forming protrusion; 44, lower die plate; 45, upper die plate; 46, rib; 47, groove; 5, clamping block quick replacement mechanism; 51, vertical sliding block; 52, transverse locking block. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0031] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.
[0032] Embodiment one: in some embodiments, referring to the Figures 1-5 , a luggage compartment extrusion device convenient for replacing molds, comprising a base 1 and an extrusion template 4;
[0033] The base 1 is provided with a friction reducing mechanism 3 for lifting the extrusion template 4 to reduce the sliding friction between the base 1 and the extrusion template 4;
[0034] The friction reducing mechanism 3 is provided with a centering clamping and fixing mechanism 2 for automatically centering and clamping and positioning the extrusion template 4 when installing the mold;
[0035] The centering clamping fixing mechanism 2 is provided with a clamping block quick replacement mechanism 5 which can replace the clamping assembly according to the thickness of the extrusion template 4;
[0036] The centering clamping fixing mechanism 2 comprises a centering assembly 21, a driving assembly one 22 and a clamping plate limiting assembly 23; the friction reducing mechanism 3, the driving assembly one 22 and the clamping plate limiting assembly 23 are all connected with the centering assembly 21, the driving assembly one 22 is connected with the friction reducing mechanism 3; the clamping plate limiting assembly 23 is connected with the friction reducing mechanism 3; two groups of clamping plate limiting assemblies 23 are symmetrically arranged at the front and rear ends of the centering assembly 21; the centering assembly 21 is used for pushing the extrusion template 4 to be centered, the driving assembly one 22 is used for driving the centering assembly 21 and the clamping plate limiting assembly 23; and the clamping plate limiting assembly 23 is used for clamping and fixing the extrusion template 4;
[0037] In the utility model, the friction reducing mechanism 3 rises from the base 1, then the operator places the extrusion template 4 on the base 1, then the driving assembly one 22 drives the centering assembly 21 to slide and center under the limiting of the clamping plate limiting assembly 23 and clamps and fixes the position of the extrusion template 4, the friction reducing mechanism 3 reduces the sliding friction between the base 1 and the extrusion template 4, the centering clamping fixing mechanism 2 realizes the automatic centering alignment of the extrusion template 4, when the thickness of the extrusion template 4 needs to be changed, the operator uses the clamping block quick replacement mechanism 5 to quickly replace the clamping block according to different thicknesses,
[0038] The centering assembly 21 comprises a connecting plate 211, a connecting rod 212, a clamping plate 213 and a fixed plate 214; the connecting plate 211 is limitingly and slidably connected with the friction reducing mechanism 3 through a limiting groove formed in the friction reducing mechanism 3, the left and right sides of the connecting plate 211 are hingedly connected with one connecting rod 212, the ends, away from each other, of the two connecting rods 212 are hingedly connected with the lower end of the fixed plate 214, and the upper end of the fixed plate 214 is clamped with the clamping plate 213; the fixed plate 214 is connected with the clamping plate limiting assembly 23; the connecting plate 211 is fixedly connected with the driving end of the driving assembly one 22; the clamping plate 213 is provided with an L-shaped groove for clamping the extrusion template 4; the clamping plate 213 and the fixed plate 214 are connected with the clamping block quick replacement mechanism 5; and the driving assembly one 22 adopts a pneumatic driving assembly, such as a pneumatic cylinder;
[0039] The clamping plate limiting assembly 23 comprises a limiting sliding rail 231 and a sliding block 232; the lower end of the limiting sliding rail 231 is connected with the friction reducing mechanism 3, and the sliding block 232 is limitingly and slidably connected with the limiting sliding rail 231; and the sliding block 232 is connected with the lower end of the fixed plate 214;
[0040] In the utility model, the friction reducing mechanism 3 rises from the base 1, then the operator places the extrusion template 4 on the base 1;Then drive assembly one 22 drives the connecting plate 211 to move downwards, the connecting plate 211 drives two clamping plates 213 and two fixed plates 214 to approach each other through connecting rod 212, and the clamping plate 213 drives the sliding block 232 to slide on the limiting slide rail 231;Two clamping plates 213 that approach each other clamp and fix the extrusion template 4 through the L-shaped slot formed in the clamping plate 213, and drive the extrusion template 4 to centering and alignment;
[0041] The friction reducing mechanism 3 includes drive assembly two 31 and support sliding assembly 32, drive assembly two 31 is connected with the base 1, drive assembly two 31 is connected with support sliding assembly 32;Support sliding assembly 32 and extrusion template 4 abut;Support sliding assembly 32 is connected with the connecting plate 211;Drive assembly two 31 is used to drive support sliding assembly 32;Support sliding assembly 32 is used to lift the extrusion template 4 and reduce the sliding friction of the extrusion template 4;
[0042] The drive assembly two 31 includes cylinder two 311;Two cylinder two 311 are symmetrically arranged at the left and right ends of the support sliding assembly 32;The lower end of cylinder two 311 is fixedly connected with the base 1, and the drive end of cylinder two 311 is connected with the support sliding assembly 32;
[0043] The support sliding assembly 32 includes support block 321 and ball 322;The support block 321 is provided with a limiting sliding groove, and the connecting plate 211 is limitingly and slidably connected with the support block 321 through the limiting sliding groove;A plurality of balls 322 are rotatably connected to the upper end of the support block 321;The plurality of balls 322 are equidistantly arranged at the upper end of the support block 321;The support block 321 is fixedly connected with the drive end of cylinder two 311, and the inner bottom of the support block 321 is fixedly connected with drive assembly one 22;The upper end of the support block 321 is fixedly connected with the limiting slide rail 231;The ball 322 abuts against the extrusion template 4;
[0044] In the utility model, when the extrusion template 4 is placed on the base 1, the cylinder two 311 drives the support block 321 to rise upwards, the support block 321 drives the extrusion template 4 to rise upwards through the ball 322, the extrusion template 4 rolls with the ball 322, thereby reducing the sliding friction when the extrusion template 4 moves, then drive assembly one 22 is started to drive the clamping plate 213 to centering and alignment of the extrusion template 4.
[0045] The clamping block quick replacement mechanism 5 includes vertical sliding block 51 and horizontal locking block 52;The vertical sliding block 51 is inserted with the clamping plate 213 through the slot opening formed in the clamping plate 213, and the lower end of the vertical sliding block 51 and the fixed plate 214 are both provided with a sliding groove for limiting the horizontal locking block 52 to slide;The vertical sliding block 51 and the fixed plate 214 are both inserted with the horizontal locking block 52;
[0046] In the utility model, when the thickness of the extrusion template 4 needs to be changed, the operator draws out the transverse locking block 52, cancels the limiting of the transverse locking block 52 to the vertical sliding block 51, then draws out the vertical sliding block 51 from above, replaces the clamping plate 213 of the required thickness, then resets the vertical sliding block 51 through the slot opening on the clamping plate 213, then resets the transverse locking block 52 and the lower end of the vertical sliding block 51 and the upper opening sliding groove of the fixed plate 214, and locks the position of the clamping plate 213.
[0047] The extrusion template 4 includes a luggage compartment forming die cavity 41, a forming protrusion 43, a lower die plate 44, an upper die plate 45 and a rib 46; the lower end of the upper die plate 45 is fixedly installed with the forming protrusion 43 which cooperates with the luggage compartment forming die cavity 41 to form the luggage compartment; the upper end of the lower die plate 44 is provided with the luggage compartment forming die cavity 41 which cooperates with the forming protrusion 43 to form the luggage compartment; a plurality of ribs 46 are fixedly installed in the luggage compartment forming die cavity 41, and a plurality of grooves 47 are provided at the lower end of the forming protrusion 43; the rib 46 cooperates with the groove 47 to form the rib structure of the luggage compartment; the lower end of the lower die plate 44 abuts against the ball 322.
[0048] In the utility model, the operator puts the raw material between the lower die plate 44 and the upper die plate 45, then the upper die plate 45 extrudes the lower die plate 44 downwards, the forming protrusion 43 cooperates with the rib 46 and the groove 47 to extrude and form the automobile luggage compartment, and the forming protrusion 43 continues to cut along the edge of the automobile luggage compartment downwards after the automobile luggage compartment is formed, thereby completing the die forming of the automobile luggage compartment.
[0049] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. An automotive luggage compartment extrusion device with easily changeable molds, comprising a base (1) and an extrusion template (4), characterized in that: It also includes a centering clamping and fixing mechanism (2) and a friction reduction mechanism (3); The extrusion template (4) has a luggage compartment forming cavity (41) for forming the luggage compartment. The base (1) is equipped with a friction reduction mechanism (3) for lifting the extrusion template (4) so as to reduce the sliding friction between the base (1) and the extrusion template (4). The friction reduction mechanism (3) is equipped with a centering clamping and fixing mechanism (2) for automatically centering and clamping the extrusion template (4) during mold installation. The centering clamping and fixing mechanism (2) includes a centering component (21), a drive component (22), and a clamping plate limiting component (23); the friction reduction mechanism (3), the drive component (22), and the clamping plate limiting component (23) are all connected to the centering component (21), the drive component (22) is connected to the friction reduction mechanism (3), and the clamping plate limiting component (23) is connected to the friction reduction mechanism (3); the two sets of clamping plate limiting components (23) are symmetrically arranged at the front and rear ends of the centering component (21); the centering component (21) is used to push the extrusion template (4) to center, the drive component (22) is used to drive the centering component (21) and the clamping plate limiting component (23); the clamping plate limiting component (23) is used to clamp and fix the extrusion template (4); the drive component (22) is a pneumatic drive component.
2. The automobile luggage compartment extrusion device with easy mold replacement according to claim 1, characterized in that, The centering component (21) includes a connecting plate (211), a connecting rod (212), a clamping plate (213), and a fixing plate (214). The connecting plate (211) is slidably connected to the friction reduction mechanism (3) through a limiting groove on the friction reduction mechanism (3). The left and right sides of the connecting plate (211) are hinged to a connecting rod (212). The ends of the two connecting rods (212) that are far apart from each other are hinged to the lower end of the fixing plate (214). The upper end of the fixing plate (214) is snapped into the clamping plate (213). The fixing plate (214) is connected to the clamping plate limiting component (23). The connecting plate (211) is fixedly connected to the driving end of the drive component (22). The clamping plate (213) has an L-shaped groove for clamping the extrusion template (4).
3. The automobile luggage compartment extrusion device with easy mold replacement according to claim 2, characterized in that, The clamping plate limiting assembly (23) includes a limiting slide rail (231) and a slider (232); the lower end of the limiting slide rail (231) is connected to the friction reduction mechanism (3), the slider (232) is limited and slidably connected to the limiting slide rail (231), and the slider (232) is fixedly connected to the lower end of the fixing plate (214).
4. The automobile luggage compartment extrusion device with easy mold replacement according to claim 2, characterized in that, The friction reduction mechanism (3) includes a second drive component (31) and a support sliding component (32). The second drive component (31) is connected to the base (1), and the second drive component (31) is connected to the support sliding component (32). The support sliding component (32) abuts against the extrusion template (4). The supporting sliding assembly (32) is connected to the connecting plate (211); the driving assembly (31) is used to drive the supporting sliding assembly (32); the supporting sliding assembly (32) is used to lift the extrusion template (4) to reduce the sliding friction of the extrusion template (4).
5. The automobile luggage compartment extrusion device with easy mold replacement according to claim 4, characterized in that, The second drive assembly (31) includes a second cylinder (311); two second cylinders (311) are symmetrically arranged at the left and right ends of the support sliding assembly (32); the lower end of the second cylinder (311) is fixedly connected to the base (1), and the drive end of the second cylinder (311) is connected to the support sliding assembly (32).
6. The automobile luggage compartment extrusion device with easy mold replacement according to claim 5, characterized in that, The supporting sliding assembly (32) includes a supporting block (321) and ball bearings (322); the supporting block (321) has a limiting groove, and the connecting plate (211) is slidably connected to the supporting block (321) through the limiting groove; multiple ball bearings (322) are rotatably connected to the upper end of the supporting block (321); multiple ball bearings (322) are evenly spaced at the upper end of the supporting block (321); the supporting block (321) is fixedly connected to the driving end of the second cylinder (311), and the bottom of the inner part of the supporting block (321) is fixedly connected to the first driving assembly (22); the upper end of the supporting block (321) is fixedly connected to the limiting slide rail (231); the ball bearings (322) abut against the extrusion template (4).
7. The automobile luggage compartment extrusion device with easily replaceable molds according to claim 2, characterized in that, The centering clamping and fixing mechanism (2) is equipped with a clamping block quick-change mechanism (5) that can change the clamping components according to the thickness of the extrusion template (4).
8. The automobile luggage compartment extrusion device with easily replaceable molds according to claim 6, characterized in that, The extrusion template (4) includes a luggage compartment forming cavity (41), forming protrusions (43), a lower template (44), an upper template (45), and ribs (46); the lower end of the upper template (45) is fixedly installed with forming protrusions (43) that cooperate with the luggage compartment forming cavity (41) to form the luggage compartment; the upper end of the lower template (44) is provided with a luggage compartment forming cavity (41) that cooperates with forming protrusions (43) to form the luggage compartment; multiple ribs (46) are fixedly installed in the luggage compartment forming cavity (41), and multiple grooves (47) are opened at the lower end of the forming protrusions (43), and the ribs (46) and grooves (47) cooperate to form the rib structure of the luggage compartment; the ball bearings (322) abut against the lower end of the lower template (44).
Citation Information
Patent Citations
A thermoplastic automotive interior part, its manufacturing mold and manufacturing method
CN112297545B