Anti-deviation automobile roof forming mold and using method thereof

Abstract

The invention discloses an anti-deviation automobile roof forming die and a using method thereof, and relates to the field of metal plate die stamping. The device comprises a lower die piece and an upper die piece arranged at the top end of the lower die piece, a lower die and an upper die are arranged in the lower die piece and the upper die piece respectively, the lower die piece further comprises a lower outer die plate and a lower inner die fixing ring, the lower die is fixedly connected into the lower inner die fixing ring, and the lower inner die fixing ring is slidably connected into the lower outer die plate. The two ends of the lower outer mold plate are fixedly connected with limiting long baffle rings, the lower inner mold fixing ring and the limiting long baffle rings are used for limiting the plate, the lower inner mold fixing ring is further used for fixing and resetting the lower mold, and a hydraulic cylinder is arranged in the upper mold and used for pushing the upper mold to conduct pressing. According to the device, the lower inner mold fixing ring is used for fixing and protecting the lower mold, the lower limiting long baffle ring, the diagonal limiting block and the limiting long block are used for performing anti-deviation protection on a plate, and the forming failure caused by the improper position of the plate is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of metal plate die stamping, and in particular to an anti-deviation automobile roof forming die and a use method thereof. Background Art

[0002] The automobile roof forming mold is a special mold used to manufacture automobile roof parts. It processes the material into the required shape and structure through a specific forming process according to the design requirements of the automobile roof. As we all know, the automobile roof is an important part of the automobile interior. It not only has a decorative effect, but also carries functions such as sound insulation, heat insulation, and safety. The automobile roof forming mold processes the raw materials into a three-dimensional shape that matches the automobile roof according to these requirements.

[0003] The existing ceiling forming mold generally transfers the raw materials to the lower mold manually or by a mechanical arm, and then the upper mold is pressed. Under the high temperature of the mold, the thermoplastic material softens and has a certain fluidity. At this time, the material is pressed into a ceiling component consistent with the shape of the mold cavity through the mold cavity and pressure system. However, since the lower mold is generally an uneven mold with a shape, when the plate is placed on it, it will be offset or placed crooked, which will eventually lead to molding failure, waste of materials, and reduced production efficiency. In view of the above situation, the present invention provides an anti-biased automobile ceiling forming mold and a method of use thereof to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an anti-misalignment automobile roof forming mold and a method of using the same, which solves the problem that the existing roof forming mold generally transfers the raw materials to the lower mold by manual or robotic arms, but since the lower mold is generally an uneven shaped mold, the plate will be offset or placed crookedly after being placed on it, ultimately leading to forming failure, material waste, and reduced production efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an anti-misalignment automobile roof forming mold and a method of using the same, comprising a lower mold and an upper mold arranged on the top of the lower mold, wherein the lower mold and the upper mold are respectively provided with a lower mold and an upper mold, wherein the lower mold also includes a lower outer mold plate and a lower inner mold fixing ring, the lower mold is fixedly connected in the lower inner mold fixing ring, the lower inner mold fixing ring is slidably connected in the lower outer mold plate, and both ends of the lower outer mold plate are fixedly connected with a limited length retaining ring, the lower inner mold fixing ring and the limited length retaining ring are used to limit the plate, and the lower inner mold fixing ring is also used to fix and reset the lower mold, wherein a hydraulic cylinder is provided in the upper mold plate, and the hydraulic cylinder is used to push the upper mold for pressing.

[0006] Preferably, the upper mold component further includes an upper outer mold plate and an upper inner mold fixing block, the upper mold is fixedly connected in the upper inner mold fixing block, and the upper inner mold fixing block and the hydraulic cylinder are both arranged in the upper outer mold plate.

[0007] Preferably, both ends of the lower outer template are fixedly connected with limiting guide long columns, and two groups of limiting guide long columns are provided. A stopper is fixedly connected to the upper end of the limiting guide long column, a limiting guide hole and a fixed cavity are provided at the upper end of the lower outer template, a limiting slide groove is provided on the inner wall of the lower outer template, and a lower fixed cover is fixedly connected to the bottom of the lower outer template.

[0008] Preferably, the four ends of the top of the lower inner mold fixing ring are fixedly connected with diagonal limit blocks, the top of the lower inner mold fixing ring is fixedly connected with a limit length block, the diagonal limit blocks and the limit length block are both used to limit the plate, the top of the diagonal limit block is fixedly connected with a lower mold anti-collision column foot, the two ends of the lower inner mold fixing ring are fixedly connected with sliders, and the sliders are slidably connected in the limit slide grooves.

[0009] Preferably, the bottom of the lower inner mold fixing ring is fixedly connected to a fixing ring plate, and type II fixing bolts are arranged in the fixing ring plate. The lower mold is fixedly connected to the fixing ring plate by type II fixing bolts, and the bottom end of the fixing ring plate is fixedly connected to a spring, and the other end of the spring is fixedly connected to the upper end of the lower fixing cover, and the spring is used to reset the lower mold.

[0010] Preferably, the top end of the upper outer template is fixedly connected to an upper fixed cover, the top end of the upper fixed cover is provided with a connection interface, the connection interface is used to electrically and hydraulically connect the upper module, the bottom end of the upper outer template is provided with an inner chamber and a guide through hole, the bottom end of the upper outer template is fixedly connected to a limiting guide short column, the limiting guide long column is slidably connected in the guide through hole, and the limiting guide short column is movably clamped in the limiting guide hole.

[0011] Preferably, the top end of the upper inner mold fixing block is fixedly connected to a connecting ring, the power output end of the hydraulic cylinder is fixedly connected to the connecting ring, the bottom end of the upper inner mold fixing block is fixedly connected to an upper mold anti-collision column foot, and a slot is provided at the bottom end of the upper inner mold fixing block, and the upper mold anti-collision column foot and the lower mold anti-collision column foot are used to reduce the pressing force between the lower mold and the upper mold.

[0012] Preferably, the limiting long baffle ring is movably clamped in the clamping groove and the inner cavity, the bottom end of the limiting long baffle ring is fixedly connected with a baffle ring fixing block, a type of fixing bolt is arranged in the baffle ring fixing block, and the baffle ring fixing block is fixedly connected in the fixing cavity by a type of fixing bolt.

[0013] Preferably, step 1, mold preheating: before molding, the lower mold and the upper mold need to be preheated so that the lower mold and the upper mold reach the required molding temperature, step 2, sheet loading: the sheet that has completed the preliminary cutting and other processing steps is placed on the lower mold of the lower mold through a manual robot arm, and is aligned and placed through the lower inner mold fixing ring and the limiting long baffle ring, step 3, mold closing and pressurizing: the lower outer mold plate and the upper outer mold plate are molded once, and after the first mold closing, the upper mold is pressed down to close the mold with the lower mold for the second time. During the pressurization process, it is necessary to ensure that the sheet can fully fill the cavity of the lower mold and the upper mold and form a tight combination, step 4, mold opening and unloading: after the two mold closings are completed, the upper mold is opened and the molded ceiling components are taken out manually or by a robot arm to complete the molding process.

[0014] The present invention discloses an anti-deflection automobile roof forming mold and a use method thereof, which has the following beneficial effects: 1. The anti-deviation automobile roof forming mold and the use method thereof fix and protect the lower mold by setting a lower inner mold fixing ring, and use the diagonal limit blocks and the limit long blocks on the lower inner mold fixing ring to protect the plate from deviation, thereby preventing forming failure caused by improper position of the plate. In addition, the lower mold and the plate are reset and ejected by a spring, which facilitates the unloading of the workpiece and improves the processing efficiency.

[0015] 2. The anti-deviated automobile roof forming mold and the use method thereof limit and block the lower outer template after reset by setting a limit long retaining ring, and at the same time protect the plate from deflection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall explosion structure of the present invention; Figure 3 This is a schematic diagram of the explosion structure of the lower outer template of the present invention; Figure 4 This is a schematic diagram of the overall structure of the lower inner mold fixing ring of the present invention; Figure 5 This is a schematic diagram of the explosion structure of the upper outer template of the present invention; Figure 6 This is a schematic diagram of the detailed structure of the upper inner mold fixing block of the present invention; Figure 7 It is a schematic diagram of the detailed structure of the position-limiting long baffle ring of the present invention.

[0018] In the figure: 1, lower mold; 11, lower outer mold plate; 111, limit guide long column; 1111, stopper; 112, limit long stop ring; 1121, stopper ring fixing block; 1122, type I fixing bolt; 113, limit guide hole; 114, fixing cavity; 115, limit slide groove; 116, lower fixing cover; 12, lower inner mold fixing ring; 121, diagonal limit block; 122, lower mold anti-collision column foot; 123, limit long block; 124 , fixing ring plate; 125, type II fixing bolts; 126, slider; 127, spring; 13, lower mold; 2, upper mold; 21, upper outer mold plate; 211, upper fixing cover; 2111, connection interface; 212, inner chamber; 213, guide through hole; 214, limiting guide short column; 22, upper inner mold fixing block; 221, connecting ring; 222, upper mold anti-collision column foot; 223, slot; 23, upper mold; 24, hydraulic cylinder. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The embodiment of the present application provides an anti-misalignment automobile roof forming mold and a method of using the same, thereby solving the problem that the existing roof forming mold generally transfers the raw materials to the lower mold manually or by a robotic arm, but since the lower mold is generally an uneven shaped mold, the plate will be offset or placed crookedly when placed on it, ultimately leading to forming failure, material waste, and reduced production efficiency.

[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] The embodiment of the invention discloses an anti-deflection automobile roof forming mold and a use method thereof.

[0023] According to the attached Figure 1-7As shown, the anti-biased automobile roof forming mold includes a lower mold 1 and an upper mold 2 arranged on the top of the lower mold 1, and the lower mold 13 and the upper mold 23 are respectively arranged in the lower mold 1 and the upper mold 2, wherein the lower mold 1 also includes a lower outer mold 11 and a lower inner mold fixing ring 12, the lower mold 13 is fixedly connected in the lower inner mold fixing ring 12, the lower inner mold fixing ring 12 is slidably connected in the lower outer mold 11, and the two ends of the lower outer mold 11 are fixedly connected to the limited long retaining ring 112, the lower inner mold fixing ring 12 and the limited long retaining ring 112 are used to limit the plate, and the lower inner mold fixing ring 12 is also used to fix and reset the lower mold 13; Among them, a hydraulic cylinder 24 is arranged in the upper mold part 2, and the hydraulic cylinder 24 is used to push the upper mold 23 for pressing, put the plate into the lower inner mold fixing ring 12, and prevent the plate from deflecting through the limiting long baffle ring 112, the diagonal limiting block 121 and the limiting long block 123, and then press the upper outer mold plate 21 down and close the mold once, after the first closing of the mold is completed, the hydraulic cylinder 24 drives the upper mold 23 to be pressed down to complete the second closing of the mold, and then moves upward under the drive of the external hydraulic cylinder, and the lower inner mold fixing ring 12 is pushed out of the lower outer mold plate 11 under the action of the spring 127 to complete the processing.

[0024] The upper mold 2 also includes an upper outer mold plate 21 and an upper inner mold fixing block 22. The upper mold 23 is fixedly connected to the upper inner mold fixing block 22. The upper inner mold fixing block 22 and the hydraulic cylinder 24 are both arranged in the upper outer mold plate 21. The hydraulic cylinder 24 is fixed on the upper fixed cover 211. The hydraulic cylinder 24 is used to provide power for the secondary pressing of the upper mold 23.

[0025] The two ends of the lower outer template 11 are fixedly connected to the limiting guide long column 111, and two groups of the limiting guide long column 111 are provided. The upper end of the limiting guide long column 111 is fixedly connected with a stopper 1111, and the upper end of the lower outer template 11 is provided with a limiting guide hole 113 and a fixing cavity 114. The inner wall of the lower outer template 11 is provided with a limiting slide groove 115, and the bottom of the lower outer template 11 is fixedly connected with a lower fixing cover 116. The limiting guide long column 111 is used to position and guide the upper outer template 21 to prevent misalignment when pressing down. The fixing cavity 114 is used to fix the limiting long baffle ring 112. The lower fixing cover 116 can be opened to electrically connect the lower mold 13 to the outside, and the limiting slide groove 115 is used to limit the lower inner mold fixing ring 12.

[0026] The four ends of the top of the lower inner mold fixing ring 12 are fixedly connected with diagonal limit blocks 121, and the top of the lower inner mold fixing ring 12 is fixedly connected with a limit length block 123. The diagonal limit blocks 121 and the limit length block 123 are both used to limit the plate. The top of the diagonal limit block 121 is fixedly connected with a lower mold anti-collision column foot 122. The two ends of the lower inner mold fixing ring 12 are fixedly connected with sliders 126. The sliders 126 are slidably connected in the limit slide groove 115. The diagonal limit blocks 121 and the limit length block 123 both prevent the plate from deflecting. The lower mold anti-collision column foot 122 prevents excessive downward pressure from hitting the lower mold 13 and causing damage to the lower mold 13.

[0027] A fixing ring plate 124 is fixedly connected to the bottom of the lower inner mold fixing ring 12, and a second type of fixing bolt 125 is arranged in the fixing ring plate 124. The lower mold 13 is fixedly connected to the fixing ring plate 124 through the second type of fixing bolt 125. A spring 127 is fixedly connected to the bottom end of the fixing ring plate 124, and the other end of the spring 127 is fixedly connected to the upper end of the lower fixing cover 116. The spring 127 is used to reset the lower mold 1. The spring 127 plays a role in pushing the material, which facilitates the feeding of the plate and plays an auxiliary role in the unloading of the processed plate. The lower mold 13 is fixedly connected to the fixing ring plate 124. This fixing mode makes the disassembly and installation of the lower mold 13 fast and stable.

[0028] An upper fixed cover 211 is fixedly connected to the top of the upper outer template 21, and a connection interface 2111 is provided at the top of the upper fixed cover 211. The connection interface 2111 is used to electrically and hydraulically connect the upper module 2. An inner chamber 212 and a guide through hole 213 are provided at the bottom of the upper outer template 21. A limiting guide short column 214 is fixedly connected to the bottom of the upper outer template 21. The limiting guide long column 111 is slidably connected in the guide through hole 213. The limiting guide short column 214 is movably clamped in the limiting guide hole 113. The guide through hole 213 enables the upper outer template 21 to be slidably connected to the limiting guide long column 111, and the limiting guide short column 214 also has a positioning effect.

[0029] A connecting ring 221 is fixedly connected to the top of the upper inner mold fixing block 22, and the power output end of the hydraulic cylinder 24 is fixedly connected to the connecting ring 221. The bottom end of the upper inner mold fixing block 22 is fixedly connected to the upper mold anti-collision column foot 222. A card slot 223 is provided at the bottom end of the upper inner mold fixing block 22. The upper mold anti-collision column foot 222 and the lower mold anti-collision column foot 122 are used to reduce the pressing force between the lower mold 13 and the upper mold 23.

[0030] The limiting long retaining ring 112 is movably clamped in the clamping groove 223 and the inner chamber 212, and the bottom end of the limiting long retaining ring 112 is fixedly connected with a retaining ring fixing block 1121, and a type of fixing bolt 1122 is arranged in the retaining ring fixing block 1121. The retaining ring fixing block 1121 is fixedly connected in the fixing cavity 114 by a type of fixing bolt 1122. The limiting long retaining ring 112 not only plays a role in preventing deviation, but also plays a role in limiting the lower outer template 12 to prevent it from popping out under the action of the spring 127.

[0031] Step 1: Preheating the mold: Before molding, the lower mold 13 and the upper mold 23 need to be preheated to make the lower mold 13 and the upper mold 23 reach the required molding temperature; Step 2, plate loading: the plate that has completed the preliminary cutting and other processing steps is placed on the lower mold 13 of the lower mold 13 by a manual robot arm, and is aligned and placed by the lower inner mold fixing ring 12 and the limit long stop ring 112; Step 3, mold closing and pressurizing: the lower outer mold plate 11 and the upper outer mold plate 21 are molded once, and after the first mold closing, the upper mold 23 is pressed down to close the mold with the lower mold 13 for the second time. During the pressurizing process, it is necessary to ensure that the sheet can fully fill the cavity of the lower mold 13 and the upper mold 23 and form a tight combination. Step 4, mold opening and material removal: after the two mold closings are completed, the upper mold 23 is opened and the molded ceiling parts are taken out manually or by a robotic arm to complete the molding process.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An anti-deflection automobile roof forming mold, comprising a lower mold (1) and an upper mold (2) arranged on the top of the lower mold (1), characterized in that: The lower mold (1) and the upper mold (2) are respectively provided with a lower mold (13) and an upper mold (23); Wherein, the lower mold component (1) further comprises a lower outer mold plate (11) and a lower inner mold fixing ring (12); The lower mold (13) is fixedly connected to the lower inner mold fixing ring (12), the lower inner mold fixing ring (12) is slidably connected to the lower outer mold plate (11), and both ends of the lower outer mold plate (11) are fixedly connected to limited length retaining rings (112); The lower inner mold fixing ring (12) and the limiting long retaining ring (112) are used to limit the position of the plate, and the lower inner mold fixing ring (12) is also used to fix and reset the lower mold (13); Wherein, a hydraulic cylinder (24) is arranged in the upper mold part (2), and the hydraulic cylinder (24) is used to push the upper mold (23) for pressing.

2. The anti-deflection automobile roof forming mold according to claim 1, characterized in that: The upper mold component (2) further comprises an upper outer mold plate (21) and an upper inner mold fixing block (22); the upper mold (23) is fixedly connected within the upper inner mold fixing block (22); and the upper inner mold fixing block (22) and the hydraulic cylinder (24) are both arranged within the upper outer mold plate (21).

3. The anti-deflection automobile roof forming mold according to claim 1, characterized in that: The two ends of the lower outer template (11) are fixedly connected to the limit guide long columns (111), the limit guide long columns (111) are provided in two groups, the upper ends of the limit guide long columns (111) are fixedly connected to the stoppers (1111), the upper end of the lower outer template (11) is provided with limit guide holes (113) and fixed cavities (114), the inner wall of the lower outer template (11) is provided with limit slide grooves (115), and the bottom of the lower outer template (11) is fixedly connected to the lower fixed cover (116).

4. The anti-deflection automobile roof forming mold according to claim 3, characterized in that: The four ends of the top of the lower inner mold fixing ring (12) are fixedly connected to diagonal limit blocks (121), the top of the lower inner mold fixing ring (12) is fixedly connected to a limit length block (123), the diagonal limit blocks (121) and the limit length block (123) are both used to limit the plate, the top of the diagonal limit blocks (121) is fixedly connected to a lower mold anti-collision column foot (122), and the two ends of the lower inner mold fixing ring (12) are fixedly connected to sliders (126), and the sliders (126) are slidably connected in the limit sliding grooves (115).

5. The anti-deflection automobile roof forming mold according to claim 3, characterized in that: A fixing ring plate (124) is fixedly connected to the bottom of the lower inner mold fixing ring (12), and a second type fixing bolt (125) is arranged inside the fixing ring plate (124). The lower mold (13) is fixedly connected to the fixing ring plate (124) via the second type fixing bolt (125). A spring (127) is fixedly connected to the bottom end of the fixing ring plate (124), and the other end of the spring (127) is fixedly connected to the upper end of the lower fixing cover (116). The spring (127) is used to reset the lower mold (1).

6. The anti-deflection automobile roof forming mold according to claim 3, characterized in that: The top end of the upper outer template (21) is fixedly connected to an upper fixed cover (211), the top end of the upper fixed cover (211) is provided with a connection interface (2111), the connection interface (2111) is used to electrically and hydraulically connect the upper mold (2), the bottom end of the upper outer template (21) is provided with an inner chamber (212) and a guide through hole (213), the bottom end of the upper outer template (21) is fixedly connected to a limit guide short column (214), the limit guide long column (111) is slidably connected in the guide through hole (213), and the limit guide short column (214) is movably engaged in the limit guide hole (113).

7. The anti-deflection automobile roof forming mold according to claim 4, characterized in that: The top end of the upper inner mold fixing block (22) is fixedly connected to a connecting ring (221), the power output end of the hydraulic cylinder (24) is fixedly connected to the connecting ring (221), the bottom end of the upper inner mold fixing block (22) is fixedly connected to an upper mold anti-collision column foot (222), a clamping groove (223) is provided at the bottom end of the upper inner mold fixing block (22), and the upper mold anti-collision column foot (222) and the lower mold anti-collision column foot (122) are used to reduce the pressing force between the lower mold (13) and the upper mold (23).

8. The anti-deflection automobile roof forming mold according to claim 7, characterized in that: The limiting long retaining ring (112) is movably clamped in the clamping groove (223) and the inner chamber (212); the bottom end of the limiting long retaining ring (112) is fixedly connected to a retaining ring fixing block (1121); a type-one fixing bolt (1122) is provided in the retaining ring fixing block (1121); the retaining ring fixing block (1121) is fixedly connected to the fixing chamber (114) via the type-one fixing bolt (1122).

9. A method for using an anti-deflection automobile roof forming mold, comprising the anti-deflection automobile roof forming mold according to any one of claims 1 to 8, characterized in that ； Step 1: preheating the mold: before molding, the lower mold (13) and the upper mold (23) need to be preheated so that the lower mold (13) and the upper mold (23) reach the required molding temperature; Step 2, plate loading: the plate that has completed the preliminary cutting and other processing steps is placed on the lower mold (13) of the lower mold (13) by a manual robot arm, and is aligned and placed by the lower inner mold fixing ring (12) and the limit long stop ring (112); Step 3: mold closing and pressurizing: the lower outer mold plate (11) and the upper outer mold plate (21) are closed for a first time, and after the first mold closing, the upper mold (23) is pressed down to close the lower mold (13) for a second time. During the pressurizing process, it is necessary to ensure that the sheet material can fully fill the cavity of the lower mold (13) and the upper mold (23) and form a tight combination; Step 4: Opening the mold and unloading the material: After the two mold closings are completed, the upper mold (23) is opened and the molded ceiling component is taken out manually or by a robot arm to complete the molding process.

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