Pressing device for automotive trim leather sheath assembly

Abstract

The invention relates to the related technical field of automobile trim processing, in particular to an automobile trim leather sheath assembly pressing device which comprises a lower die base, an upper base body, a lower die, a hydraulic mechanism, an upper die base and an upper die, stand columns are fixedly installed at the four corners of the lower die base, the upper base body is fixedly installed on the stand columns, the lower die is fixedly installed on the lower die base, and the hydraulic mechanism is fixedly installed on the upper die base. A lower die groove is formed in the lower die; the automotive trim leather sheath assembly pressing device is formed by combining a lower die seat, an upper seat body, a lower die, a hydraulic mechanism, an upper die seat and an upper die, so that a leather layer is positioned through the lower die, a plastic part is positioned on the upper die, the leather layer is coated with a hot melt adhesive in advance, a heating piece is pre-embedded in a lower die groove of the lower die, and the automotive trim leather sheath assembly pressing device is formed. The hot melt adhesive is subjected to hot melting through the heating piece, then the plastic part and the leather layer are bonded together through downward pressing of the upper die, the alignment precision is high, compared with traditional manual operation, the yield is high, and the machining speed can be effectively increased.

Description

Technical Field

[0001] The invention relates to the technical field related to automobile interior processing, and in particular to an automobile interior leather cover assembly pressing device. Background Art

[0002] The existing Chinese patent document with the announcement number CN216370936U discloses a car leather cover frame pressing device, which includes a supporting base and a lifting platform with lifting displacement arranged on the top of the supporting base, the supporting base is provided with a contoured carrier for contouring with the bonding surface, the lifting platform is provided with a frame picking-up pressing seat for picking up the frame and corresponding to the contoured carrier, the pressing surface of the frame picking-up pressing seat is provided with a plurality of alignment holes and grooves arranged one-to-one with the matching piles, and a plurality of negative pressure picking parts for adsorbing the matching surface, and the contoured carrier is a flexible substrate carrier; However, in the above scheme, the pressing device cannot allow the end of the leather cover to form a covering effect on the frame, resulting in a single-sided bonding surface between the leather cover and the frame, which leads to insufficient connection stability between the leather cover and the frame, resulting in certain defects in the subsequent use of the product. Therefore, the present invention proposes a pressing device for an automobile interior leather cover assembly to solve the above problem. Summary of the invention

[0003] The object of the present invention is to provide a pressing device for an automobile interior leather cover assembly to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pressing device for an automobile interior leather cover assembly, comprising: A lower die base, wherein four corners of the lower die base are fixedly provided with columns; An upper seat body, wherein the upper seat body is fixedly mounted on the column; A lower die, the lower die is fixedly mounted on a lower die base, a lower die groove is formed on the lower die, and the lower die groove is used to position the cortex layer to be processed; A hydraulic mechanism, wherein a cylinder of the hydraulic mechanism is fixedly mounted on an upper seat body; An upper die seat, wherein the upper die seat is fixedly mounted on the telescopic portion of the hydraulic mechanism; An upper die is fixedly mounted on an upper die seat and is used to position a plastic part to be processed.

[0005] Preferably, the lower side and left and right sides of the upper mold are provided with air avoidance grooves, the lower side of the upper mold is provided with a pre-positioning groove, the inner surface of the plastic part is integrally formed with a mounting seat and a pre-positioning seat, the air avoidance groove is arranged corresponding to the mounting seat, the pre-positioning groove is arranged corresponding to the pre-positioning seat, and there is a slight interference fit between the pre-positioning seat and the pre-positioning groove, and the fitting friction force of the pre-positioning seat and the pre-positioning groove is greater than the dead weight of the plastic part.

[0006] Preferably, the root of the cortical layer is cut to form a middle covering layer and an edge covering layer, and the middle covering layer and the edge covering layer are staggered with the mounting seat and the pre-positioning seat. A heating plate is embedded in the lower mold groove of the lower mold, and the heating plate corresponds to the position of the plastic part. The contact positions of the cortical layer with the plastic part are coated with hot melt adhesive.

[0007] Preferably, the upper mold includes an upper mold body, an upper mold movable part and a telescopic cylinder, the rear side of the upper mold body is provided with a movable seat groove, a cylinder mounting groove and a pressing seat groove, and the left and right sides of the upper mold body are provided with pressing plate grooves, the upper mold movable part includes a movable seat, a pressing seat and a pressing plate, the movable seat, the pressing seat and the pressing plate are integrally formed, the movable seat, the pressing seat and the pressing plate are movably arranged in the movable seat groove, the pressing seat groove and the pressing plate groove, respectively, the cylinder body of the telescopic cylinder is connected to the groove bottom of the cylinder mounting groove, the movable seat is fixedly connected to the telescopic part of the telescopic cylinder, and when the telescopic cylinder is in the process state, the lower surface of the pressing seat is flush with the lower surface of the upper mold body, and the outer side surface of the pressing plate is flush with the side of the upper mold body.

[0008] Preferably, a primary mounting groove is provided on the rear side surface of the lower mold groove, a middle covering mechanism is fixedly installed in the primary mounting groove, the middle covering mechanism is arranged corresponding to the middle covering layer, and the middle covering mechanism is used to cover the middle covering layer on the plastic part, and secondary mounting grooves are provided on the left and right sides of the lower mold groove, an edge covering mechanism is installed in the secondary mounting groove, and the edge covering mechanism is used to cover the edge covering layer on the plastic part.

[0009] Preferably, the middle covering mechanism includes a first-level telescopic electric cylinder and a first-level push block, the cylinder body of the first-level telescopic electric cylinder is fixed at the bottom of the first-level mounting groove, the first-level push block is fixedly connected to the telescopic part of the first-level telescopic electric cylinder, when the cortical layer is placed in the lower mold groove, the middle covering layer is blocked at the port of the first-level mounting groove, when the hydraulic mechanism is in the process state and the telescopic cylinder is in the return state, the first-level telescopic electric cylinder moves in the process state to push the middle covering layer into the pressing seat groove through the first-level push block.

[0010] Preferably, the edge covering mechanism includes a secondary telescopic electric cylinder, a push block connecting seat and a secondary push block, the secondary telescopic electric cylinder is fixed to the bottom of the secondary mounting groove, the lower surface of the push block connecting seat is integrally formed with a connecting plate, the connecting plate is fixedly connected to the telescopic part of the secondary telescopic electric cylinder, the inner side surface of the push block connecting seat is provided with a guide rod groove, the outer side surface of the secondary push block is integrally formed with a guide rod, a return spring is sleeved on the guide rod, and the guide rod is movably connected in the guide rod groove, the two ends of the return spring are respectively connected to the push block connecting seat and the secondary push block, when the hydraulic mechanism is in the process state and the telescopic cylinder is in the return state, the secondary telescopic electric cylinder moves in the process state to push the edge covering layer into the pressing plate groove through the secondary push block.

[0011] Preferably, when the telescopic cylinder moves, the pressing seat and the pressing plate press and shape the middle covering layer and the edge covering layer respectively, so that the middle covering layer and the edge covering layer form a covering effect on the plastic part.

[0012] Preferably, an air cavity is provided on the first-stage push block and the second-stage push block, an aeration hole is provided on the lower side of the air cavity, the end of the aeration hole is arranged at a center position biased towards the lower mold groove, and an air pipe connecting port is provided on the side of the air cavity, and the air pipe connecting port is connected to the air supply port of the air supply equipment through an air pipe.

[0013] Preferably, the inner end of the secondary push block is wedge-shaped, and when the secondary telescopic electric cylinder is in the progress state and the telescopic air cylinder is in the return state, the inclined surface of the secondary push block is arranged to be in contact with the edge of the pressing plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up a car interior leather cover assembly pressing device composed of a lower die seat, an upper seat body, a lower die, a hydraulic mechanism, an upper die seat and an upper die, the cortex layer is positioned by the lower die, and the plastic part is positioned on the upper die, and hot melt adhesive is pre-coated on the cortex layer, and a heating plate is pre-embedded in the lower die groove of the lower die, so that the hot melt adhesive is melted by the heating plate, and then the upper die is pressed down to bond the plastic part and the cortex layer together, and the alignment accuracy is high, and the yield rate is high compared with the traditional manual operation, and the processing speed can be effectively improved; 2. The upper die is configured to be composed of an upper die main body, an upper die movable part and a telescopic cylinder, and a middle covering mechanism is arranged in the primary mounting groove on the rear side of the lower die groove, and an edge covering mechanism is arranged in the secondary mounting grooves on the left and right sides of the lower die groove, so that the middle covering layer and the edge covering layer are quickly covered and positioned by the middle covering mechanism and the edge covering mechanism, thereby further improving the processing efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle; Figure 3 It is a schematic diagram of the upper mold structure of the present invention; Figure 4 for Figure 3 A magnified schematic diagram of the structure at B in the middle; Figure 5 This is a schematic diagram of the connection between the cortex layer and the plastic part of the present invention; Figure 6 for Figure 5 A magnified schematic diagram of the structure at C in the middle; Figure 7 This is a schematic diagram of the main structure of the upper mold of the present invention; Figure 8 It is a schematic diagram of the structure of the movable part of the upper mold of the present invention; Fig. 9 This is a schematic diagram of the structure of the first-level push block of the present invention; Fig.10 It is a schematic diagram of the structure of the secondary push block of the present invention; Fig.11 for Fig.10 A magnified schematic diagram of the structure at D in the middle; Fig.12 It is a schematic diagram of the connection between the upper mold body and the upper mold movable part of the present invention; Fig.13 for Fig.12 The enlarged schematic diagram of the structure at E in the middle; Fig.14 A half-section view of the lower mold of the present invention; Fig.15 for Fig.14 A magnified schematic diagram of the structure at F in the middle; Fig.16 for Fig.15 A magnified schematic diagram of the structure at G in the middle; Fig.17 This is a schematic diagram of the installation position of the secondary push block of the present invention; Fig.18 for Fig.17 Enlarged schematic diagram of the structure at H in the middle.

[0016] In the figure: lower die seat 1, upper seat body 2, lower die 3, hydraulic mechanism 4, upper die 5, column 6, upper die seat 7, lower die groove 8, cortical layer 9, plastic part 10, mounting seat 11, pre-positioning seat 12, air avoidance groove 13, pre-positioning groove 14, middle coating layer 15, edge coating layer 16, upper die body 17, upper die movable part 18, telescopic cylinder 19, movable seat groove 20, cylinder mounting groove 21, pressing seat groove 22, pressing plate groove 23, movable seat 24, pressing seat 25, pressing plate 26, first-level telescopic electric cylinder 27, first-level push block 28, second-level mounting groove 29, second-level telescopic electric cylinder 30, push block connecting seat 31, second-level push block 32, connecting plate 33, guide rod groove 34, guide rod 35, reset spring 36, air cavity 37, aeration hole 38, air pipe 39. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0018] See also Figure 1-18 The present invention provides the following three preferred embodiments: Embodiment 1: A pressing device for an automobile interior leather cover assembly, comprising a lower die seat 1, an upper seat body 2, a lower die 3, a hydraulic mechanism 4, an upper die seat 7 and an upper die 5, wherein four corners of the lower die seat 1 are fixedly mounted with upright posts 6, the upper seat body 2 is fixedly mounted on the upright posts 6, the lower die 3 is fixedly mounted on the lower die seat 1, a lower die groove 8 is provided on the lower die 3, and the lower die groove 8 is used to position the cortex layer 9 to be processed, the cylinder of the hydraulic mechanism 4 is fixedly mounted on the upper seat body 2, the upper die seat 7 is fixedly mounted on the telescopic part of the hydraulic mechanism 4, and the upper die 5 is fixedly mounted on the upper On the mold base 7, the upper mold 5 is used to position the plastic part 10 to be processed. The lower side and left and right sides of the upper mold 5 are provided with air avoidance grooves 13, and the lower side of the upper mold 5 is provided with a pre-positioning groove 14. The inner surface of the plastic part 10 is integrally formed with a mounting seat 11 and a pre-positioning seat 12. The air avoidance groove 13 is arranged corresponding to the mounting seat 11, and the pre-positioning groove 14 is arranged corresponding to the pre-positioning seat 12. There is a slight interference fit between the pre-positioning seat 12 and the pre-positioning groove 14, and the fitting friction between the pre-positioning seat 12 and the pre-positioning groove 14 is greater than the dead weight of the plastic part 10.

[0019] The root of the cortical layer 9 is cut to form a middle coating layer 15 and an edge coating layer 16, the middle coating layer 15 and the edge coating layer 16 are staggered with the mounting seat 11 and the pre-positioning seat 12, a heating plate is pre-embedded in the lower die groove 8 of the lower die 3, the heating plate corresponds to the position of the plastic part 10, and the contact position of the cortical layer 9 with the plastic part 10 is coated with hot melt adhesive, and the steam is formed by the combination of the lower die seat 1, the upper seat body 2, the lower die 3, the hydraulic mechanism 4, the upper die seat 7 and the upper die 5. The vehicle interior leather cover assembly pressing device positions the cortex layer 9 through the lower mold 3, and positions the plastic part 10 on the upper mold 5, and pre-coats the cortex layer 9 with hot melt adhesive, and pre-buries a heating plate in the lower mold groove 8 of the lower mold 3, so that the hot melt adhesive is melted by the heating plate, and then the upper mold 5 is pressed down to bond the plastic part 10 and the cortex layer 9 together. The positioning accuracy is high, and the yield rate is high compared with the traditional manual operation, and the processing speed can be effectively improved.

[0020] Embodiment 2: On the basis of embodiment 1, the upper mold 5 includes an upper mold body 17, an upper mold movable part 18 and a telescopic cylinder 19, a movable seat groove 20, a cylinder mounting groove 21 and a pressing seat groove 22 are provided on the rear side of the upper mold body 17, and a pressing plate groove 23 is provided on the left and right sides of the upper mold body 17, the upper mold movable part 18 includes a movable seat 24, a pressing seat 25 and a pressing plate 26, the movable seat 24, the pressing seat 25 and the pressing plate 26 are integrally formed, the movable seat 24, the pressing seat 25 and the pressing plate 26 are movably arranged in the movable seat groove 20, the pressing seat groove 22 and the pressing plate groove 23 respectively, the cylinder body of the telescopic cylinder 19 is connected to the groove bottom of the cylinder mounting groove 21, the movable seat 2 4 is fixedly connected to the telescopic part of the telescopic cylinder 19. When the telescopic cylinder 19 is in the process state, the lower surface of the pressing seat 25 is flush with the lower surface of the upper mold body 17, and the outer side surface of the pressing plate 26 is flush with the side edge of the upper mold body 17. The rear side surface of the lower mold groove 8 is provided with a primary installation groove, in which a middle covering mechanism is fixedly installed, the middle covering mechanism is arranged corresponding to the middle covering layer 15, and the middle covering mechanism is used to cover the middle covering layer 15 on the plastic part 10. The left and right sides of the lower mold groove 8 are provided with secondary installation grooves 29, in which an edge covering mechanism is installed, and the edge covering mechanism is used to cover the edge covering layer 16 on the plastic part 10.

[0021] The middle covering mechanism includes a first-level telescopic electric cylinder 27 and a first-level push block 28. The cylinder body of the first-level telescopic electric cylinder 27 is fixed to the bottom of the first-level mounting groove. The first-level push block 28 is fixedly connected to the telescopic part of the first-level telescopic electric cylinder 27. When the cortical layer 9 is placed in the lower mold groove 8, the middle covering layer 15 is blocked at the port of the first-level mounting groove. When the hydraulic mechanism 4 is in the process state and the telescopic cylinder 19 is in the return state, the first-level telescopic electric cylinder 27 moves in the process state to push the middle covering layer 15 into the pressing seat groove 22 through the first-level push block 28. The edge covering mechanism includes a second-level telescopic electric cylinder 30, a push block connecting seat 31 and a second-level push block 32. The second-level telescopic electric cylinder 30 is fixed to the second-level mounting groove. The bottom of the groove 29, the lower surface of the push block connecting seat 31 is integrally formed with a connecting plate 33, the connecting plate 33 is fixedly connected to the telescopic part of the secondary telescopic electric cylinder 30, the inner side surface of the push block connecting seat 31 is provided with a guide rod groove 34, the outer side surface of the secondary push block 32 is integrally formed with a guide rod 35, the guide rod 35 is sleeved with a return spring 36, and the guide rod 35 is movably connected in the guide rod groove 34, the two ends of the return spring 36 are respectively connected to the push block connecting seat 31 and the secondary push block 32, when the hydraulic mechanism 4 is in the process state, and the telescopic cylinder 19 is in the return state, the secondary telescopic electric cylinder 30 moves in the process to push the edge coating layer 16 into the pressing plate groove 23 through the secondary push block 32.

[0022] When the telescopic cylinder 19 moves, the pressing seat 25 and the pressing plate 26 respectively press and shape the middle coating layer 15 and the edge coating layer 16, so that the middle coating layer 15 and the edge coating layer 16 form a coating effect on the plastic part 10. The upper mold 5 is configured to be composed of an upper mold body 17, an upper mold movable part 18 and a telescopic cylinder 19, and a middle coating mechanism is arranged in the primary mounting groove on the rear side of the lower mold groove 8, and an edge coating mechanism is arranged in the secondary mounting groove 29 on the left and right sides of the lower mold groove 8, so that the middle coating layer 15 and the edge coating layer 16 are quickly coated and positioned by the middle coating mechanism and the edge coating mechanism, thereby further improving the processing efficiency of the product.

[0023] Embodiment 3: On the basis of embodiment 2, an air cavity 37 is provided on the first-stage push block 28 and the second-stage push block 32, and an aeration hole 38 is provided on the lower side of the air cavity 37. The end of the aeration hole 38 is arranged at a position biased toward the center of the lower mold groove 8. An air pipe connecting port is provided on the side of the air cavity 37, and the air pipe connecting port is connected to the air supply port of the air supply equipment through an air pipe 39. By providing the air cavity 37 on the first-stage push block 28 and the second-stage push block 32, and providing the aeration hole 38 on the lower side of the air cavity 37, when the push block pushes the coating layer in and then retreats, the gas delivered from the aeration hole 38 can form a flexible pushing force on the coating layer, thereby effectively preventing the coating layer from being brought out when the push block retreats.

[0024] The inner end of the secondary push block 32 is wedge-shaped. When the secondary telescopic electric cylinder 30 is in the progress state and the telescopic air cylinder 19 is in the return state, the inclined surface of the secondary push block 32 is arranged in contact with the edge of the pressing plate 26, so that the secondary push block 32 can retreat under the action of the pressing plate 26, so that after the secondary push block 32 withdraws, the pressing plate 26 can seamlessly exert a force on the edge coating layer 16, thereby preventing the edge coating layer 16 with a smaller width from detaching from the pressing plate groove 23, thereby improving the coating effect of the edge coating layer 16.

[0025] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A pressing device for an automobile interior leather cover assembly, characterized in that: include: A lower die base (1), wherein four corners of the lower die base (1) are fixedly provided with upright posts (6); An upper seat body (2), wherein the upper seat body (2) is fixedly mounted on a column (6); A lower die (3), the lower die (3) being fixedly mounted on a lower die base (1), the lower die (3) being provided with a lower die groove (8), the lower die groove (8) being used to position a cortical layer (9) to be processed; A hydraulic mechanism (4), wherein a cylinder of the hydraulic mechanism (4) is fixedly mounted on the upper seat body (2); An upper die seat (7), wherein the upper die seat (7) is fixedly mounted on the telescopic portion of the hydraulic mechanism (4); An upper die (5), wherein the upper die (5) is fixedly mounted on an upper die base (7), and the upper die (5) is used to position a plastic part (10) to be processed.

2. The automobile interior leather cover assembly pressing device according to claim 1, characterized in that: The lower side and left and right sides of the upper mold (5) are provided with a clearance groove (13), the lower side of the upper mold (5) is provided with a pre-positioning groove (14), the inner surface of the plastic part (10) is integrally formed with a mounting seat (11) and a pre-positioning seat (12), the clearance groove (13) is arranged corresponding to the mounting seat (11), the pre-positioning groove (14) is arranged corresponding to the pre-positioning seat (12), and there is a slight interference fit between the pre-positioning seat (12) and the pre-positioning groove (14), and the matching friction force of the pre-positioning seat (12) and the pre-positioning groove (14) is greater than the deadweight of the plastic part (10).

3. The automobile interior leather cover assembly pressing device according to claim 2, characterized in that: The root of the cortical layer (9) is cut to form a middle coating layer (15) and an edge coating layer (16); the middle coating layer (15) and the edge coating layer (16) are arranged in a staggered manner with respect to the mounting seat (11) and the pre-positioning seat (12); a heating plate is pre-embedded in the lower die groove (8) of the lower die (3); the heating plate corresponds to the position of the plastic part (10); and the contact position of the cortical layer (9) with the plastic part (10) is coated with hot melt adhesive.

4. The automobile interior leather cover assembly pressing device according to claim 3, characterized in that: The upper mold (5) comprises an upper mold body (17), an upper mold movable part (18) and a telescopic cylinder (19); a movable seat groove (20), a cylinder mounting groove (21) and a pressing seat groove (22) are provided on the rear side of the upper mold body (17); and pressing plate grooves (23) are provided on the left and right sides of the upper mold body (17); the upper mold movable part (18) comprises a movable seat (24), a pressing seat (25) and a pressing plate (26); the movable seat (24), the pressing seat (25) and the pressing plate (26) are integrally formed; the movable seat (24), the pressing seat (25) and the pressing plate (26) are integrally formed; 4), the pressing seat (25) and the pressing plate (26) are movably arranged in the movable seat groove (20), the pressing seat groove (22) and the pressing plate groove (23), respectively; the cylinder body of the telescopic cylinder (19) is connected to the groove bottom of the cylinder mounting groove (21); the movable seat (24) is fixedly connected to the telescopic part of the telescopic cylinder (19); when the telescopic cylinder (19) is in the process state, the lower surface of the pressing seat (25) is flush with the lower surface of the upper mold body (17), and the outer side surface of the pressing plate (26) is flush with the side edge of the upper mold body (17).

5. The automobile interior leather cover assembly pressing device according to claim 4, characterized in that: A primary installation groove is provided on the rear side of the lower mold groove (8), a middle covering mechanism is fixedly installed in the primary installation groove, the middle covering mechanism is arranged corresponding to the middle covering layer (15), and the middle covering mechanism is used to cover the middle covering layer (15) on the plastic part (10), and a secondary installation groove (29) is provided on the left and right sides of the lower mold groove (8), an edge covering mechanism is installed in the secondary installation groove (29), and the edge covering mechanism is used to cover the edge covering layer (16) on the plastic part (10).

6. The automobile interior leather cover assembly pressing device according to claim 5, characterized in that: The middle covering mechanism comprises a first-stage telescopic electric cylinder (27) and a first-stage push block (28), the cylinder body of the first-stage telescopic electric cylinder (27) is fixed to the bottom of the first-stage mounting groove, the first-stage push block (28) is fixedly connected to the telescopic portion of the first-stage telescopic electric cylinder (27), when the cortical layer (9) is placed in the lower mold groove (8), the middle covering layer (15) is blocked at the port of the first-stage mounting groove, when the hydraulic mechanism (4) is in the process state and the telescopic cylinder (19) is in the return state, the first-stage telescopic electric cylinder (27) moves in the process state to push the middle covering layer (15) into the pressing seat groove (22) through the first-stage push block (28).

7. The automobile interior leather cover assembly pressing device according to claim 6, characterized in that: The edge covering mechanism comprises a secondary telescopic electric cylinder (30), a push block connecting seat (31) and a secondary push block (32); the secondary telescopic electric cylinder (30) is fixed to the bottom of the secondary mounting slot (29); a connecting plate (33) is integrally formed on the lower surface of the push block connecting seat (31); the connecting plate (33) is fixedly connected to the telescopic portion of the secondary telescopic electric cylinder (30); a guide rod groove (34) is formed on the inner side surface of the push block connecting seat (31); and a guide rod groove (34) is integrally formed on the outer side surface of the secondary push block (32). (35), a return spring (36) is sleeved on the guide rod (35), and the guide rod (35) is movably connected to the guide rod groove (34), and the two ends of the return spring (36) are respectively connected to the push block connecting seat (31) and the secondary push block (32). When the hydraulic mechanism (4) is in the process state and the telescopic cylinder (19) is in the return state, the secondary telescopic electric cylinder (30) moves in the process state to push the edge coating layer (16) into the pressing plate groove (23) through the secondary push block (32).

8. The automobile interior leather cover assembly pressing device according to claim 7, characterized in that: When the telescopic cylinder (19) moves, the pressing seat (25) and the pressing plate (26) respectively press and shape the middle coating layer (15) and the edge coating layer (16), so that the middle coating layer (15) and the edge coating layer (16) form a coating effect on the plastic part (10).

9. The automobile interior leather cover assembly pressing device according to claim 8, characterized in that: An air cavity (37) is provided on both the first-stage push block (28) and the second-stage push block (32); an aeration hole (38) is provided on the lower side of the air cavity (37); the end of the aeration hole (38) is arranged at a position close to the center of the lower mold groove (8); an air pipe connection port is provided on the side of the air cavity (37); the air pipe connection port is connected to an air supply port of an air supply device via an air pipe (39).

10. The automobile interior leather cover assembly pressing device according to claim 9, characterized in that: The inner end of the secondary push block (32) is arranged in a wedge shape. When the secondary telescopic electric cylinder (30) is in the progress state and the telescopic air cylinder (19) is in the return state, the inclined surface of the secondary push block (32) is arranged to abut against the edge of the pressing plate (26).

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