Universal rack for automotive trim mold

Abstract

The utility model provides a universal rack for an automotive trim die, which comprises a rack body, the upper end of the rack body is connected with an upper mounting plate capable of ascending and descending along the vertical direction, and the upper mounting plate and / or the rack body are / is provided with an ascending and descending driving mechanism for driving the upper mounting plate to move up and down; the upper mounting plate is provided with a quick change mechanism for quickly disassembling, assembling and replacing different types of upper dies; the lower end of the rack body is connected with a lower mounting plate; a positioning part for positioning different types of lower dies and a plurality of die locking mechanisms are arranged on the lower mounting plate; the lower sides of the left end and the right end of the lower mounting plate are both connected with die changing jacking mechanisms, and avoiding through holes allowing ejection pieces of the two die changing jacking mechanisms to penetrate out are formed in the lower mounting plate. The universal rack for the automotive trim die can be used for installing and adapting to different types of dies, redundant and repeated tool supports are reduced, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automotive interior processing equipment, in particular to a general rack for automotive interior mold. BACKGROUND

[0002] Tooling structure is essential in the factory workshop, especially more common in the automotive parts manufacturing industry. For example, automotive roof needs to use fabric composite tooling, fabric edge covering tooling, plastic buckle pressing tooling and the like in the manufacturing process. Obviously, only one roof part needs to use multiple different types of tooling structures to achieve the corresponding functional requirements.

[0003] At present, most manufacturers basically use separate tooling for each process in the part production process, and each type of tooling basically includes a tooling rack and an upper and lower mold. The tooling rack essentially only serves to fix the mold. In the prior art, molds that achieve one function are usually equipped with a fixed rack. Multiple processing procedures for one product require multiple processing equipment, which causes a lot of resource waste, increases the manufacturing cost invisibly, and the tooling rack often occupies a large space. Therefore, how to reduce manufacturing costs and optimize tooling structures is also a direction to be considered in the process of technical improvement. SUMMARY

[0004] To overcome at least one of the above deficiencies in the prior art, the utility model provides a general rack for automotive interior mold, which can be used to install molds with different types of processing functions, reduce redundant and repeated tooling supports, and reduce production costs.

[0005] The utility model provides a general rack for automotive interior mold, which comprises a rack body, an upper mounting plate vertically liftable is connected to the upper end of the rack body, a lifting drive mechanism for driving the upper mounting plate to move up and down is arranged on the upper mounting plate and / or the rack body; a quick change mechanism for quickly disassembling and replacing different types of upper molds is arranged on the upper mounting plate; a lower mounting plate is connected to the lower end of the rack body, a positioning part for positioning different types of lower molds and a plurality of mold locking mechanisms are arranged on the lower mounting plate; a mold changing jacking mechanism is connected to the lower side of the left and right ends of the lower mounting plate, and an avoidance through hole is formed in the lower mounting plate for the ejection pieces of the two mold changing jacking mechanisms to pass through.

[0006] Compared with the prior art, the general rack for automotive interior mold of the utility model has the following advantages:

[0007] The utility model discloses a general rack of automotive interior trim mold is a general support, it can be applicable to the installation of multiple different types of process mold, specifically, the upper mounting plate is provided with corresponding quick change structure, and the upper die of different types of mold is connected on the upper mounting plate and is replaced through quick change mechanism to realize quick disassembly, and the lower die of different types of mold is connected on the lower mounting plate, first, positioning is carried out through corresponding positioning part, then, position locking is realized through multiple lock die mechanisms, it needs to be noticed here that the positioning part and lock die mechanism can be applicable to multiple different types of mold in different industries, for example: welding, cladding, compression and cooling etc. Realize different function individual mold, and the versatility is strong, in addition, the mold changing jacking mechanism is still provided on the both ends of lower mounting plate, when needing to change mold, it is used for jacking the lower die to certain height, more convenient mold changing auxiliary mechanism removes lower die, improves the efficiency of changing mold.

[0008] Further, the quick change mechanism includes a plurality of first drive cylinders horizontally installed on the upper end surface of the upper mounting plate, the drive end of each first drive cylinder is connected with a first lock pin, a plurality of communication holes are formed in the upper mounting plate, when the upper die of the automotive interior trim mold is installed on the lower end of the upper mounting plate and the plurality of fixed insertion plates on the upper die pass through the plurality of communication holes respectively, each first drive cylinder is used to drive the corresponding first lock pin to be inserted and positioned into the positioning insertion hole of the corresponding fixed insertion plate.

[0009] As an improvement, the front and rear ends of the left and right sides of the lower mounting plate are provided with fixing seats, the side close to the lower die of each fixing seat is provided with a second lock pin and a second drive cylinder for driving the horizontal movement of the second lock pin; the lower end surface of the second lock pin is a wedge surface, when the lower die is installed on the lower mounting plate, the front and rear second lock pins at both ends of the lower mounting plate move towards the center of the lower die respectively until the wedge surface of the lower end surface of each second lock pin is locked and matched with the wedge block at the corresponding position on the lower die to form the lock die mechanism.

[0010] Further, the mold changing jacking mechanism includes two jacking drive cylinders, the free end of the piston rod of each jacking drive cylinder is fixedly connected to the lower end surface of the lower mounting plate, a jacking plate is connected to the cylinder body of each jacking drive cylinder, a plurality of ejection pieces are arranged on the upper end surface of the jacking plate, and the upper end of each ejection piece is connected with a universal ball, a plurality of avoidance through holes are formed in the left and right ends of the lower mounting plate.

[0011] Further improvement, two front and rear distributed guide rods are connected to the lower end surface at both ends of the lower mounting plate, two guide shaft sleeves are arranged on each positioning plate, and each guide shaft sleeve is slidingly arranged outside the corresponding guide rod.

[0012] Further, the lifting driving mechanism comprises two guide racks, a double-headed motor and two driving gears, the two guide racks are vertically connected on the two side walls of the rack body, the double-headed motor is connected on the upper end face of the upper mounting plate, the two driving gears are respectively connected on the output shafts of the double-headed motor, and the two driving gears are respectively engaged with the two guide racks; the height positioning mechanism is further arranged between the upper mounting plate and the rack body.

[0013] Further, the height positioning mechanism comprises two positioning racks, and the two positioning racks are respectively vertically connected on the two side walls of the rack body, the two ends of the upper mounting plate are connected with positioning driving cylinders, and the driving ends of the two positioning driving cylinders are connected with positioning protrusions matched with the positioning racks.

[0014] Further, the positioning part comprises two positioning protrusions connected to the rear end of the lower mounting plate, two positioning pins connected to the front end of the lower mounting plate, and two pin driving cylinders for respectively driving the vertical movement of the positioning pins; when the lower die moves from front to rear to the set position during die changing, the rear end of the lower die abuts against the two positioning protrusions, and the positioning pins are driven by the two pin driving cylinders to move upwards until they are inserted and matched into the pre-set positioning pin holes in the lower surface of the front end of the lower die.

[0015] Other improved features and advantages of the present application will be set forth in the following detailed description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure diagram of the automobile interior mold universal rack of the present application;

[0017] Figure 2 It is a partial structure diagram of the automobile interior mold universal rack of the present application;

[0018] Figure 3 It is Figure 2 It is another angle schematic view of the structure diagram;

[0019] Figure 4 It is a positioning part structure diagram on the lower mounting plate in the present application;

[0020] Figure 5 It is a die locking mechanism and die changing jacking mechanism schematic view on the lower mounting plate in the present application;

[0021] Figure 6The lower installation plate is provided with a mold locking mechanism and a mold changing jacking mechanism.

[0022] Marked for explanation:

[0023] 1, rack body; 2, upper installation plate; 3, lower installation plate; 4, ejector; 5, avoiding through hole; 6, first drive cylinder; 7, first locking pin; 8, communication hole; 9, fixed seat; 10, second locking pin; 11, second drive cylinder; 12, jacking drive cylinder; 13, jacking plate; 14, universal ball; 15, guide rod; 16, guide shaft sleeve; 17, guide rack; 18, double head motor; 19, drive gear; 20, positioning rack; 21, positioning drive cylinder; 22, positioning lug; 23, positioning bolt; 24, bolt drive cylinder; 25, linear slide rail; 26, guide roller; 27, control cabinet. DETAILED DESCRIPTION

[0024] Firstly, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the application examples, and are not intended to limit the protection scope of the application examples. Those skilled in the art can make adjustments according to needs in order to adapt to specific application occasions.

[0025] In the description of the application examples, it should be noted that unless otherwise explicitly specified and limited, the terms "fixed", "connected" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the application examples can be understood according to specific circumstances.

[0026] In the description of the application, it should be noted that the terms "upper end", "lower end", "front and back", "left and right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0027] The application will be further described in detail below with reference to the drawings and specific embodiments.

[0028] Reference should be made to Figures 1-6As shown, the embodiment of the application discloses a general rack for automobile interior mold, which comprises a rack body 1, an upper mounting plate 2 connected to the upper end of the rack body 1 and vertically liftable, and a lifting driving mechanism arranged on the upper mounting plate 2 and / or the rack body 1 and used for driving the upper mounting plate 2 to move up and down; the upper mounting plate 2 is provided with a quick change mechanism used for quickly disassembling and replacing different types of upper molds; the lower end of the rack body 1 is connected with a lower mounting plate 3, the lower mounting plate 3 is provided with a positioning part used for positioning different types of lower molds and a plurality of mold locking mechanisms used for locking and limiting the lower molds; in addition, the lower sides of the left and right ends of the lower mounting plate 3 are connected with mold changing jacking mechanisms, and the lower mounting plate 3 is provided with avoiding through holes 5 for the ejection members 4 of the two mold changing jacking mechanisms to pass through; when the mold is changed, the lower mold is jacked to the corresponding height through the mold changing jacking mechanism, so that the lower mold is conveniently horizontally moved out of the lower mounting plate 3.

[0029] In the above structure, the upper mounting plate 2 and the lower mounting plate 3 are respectively arranged on the upper and lower sides of the rack body 1, wherein the upper mounting plate 2 is used for mounting and positioning the upper mold, the lower mounting plate 3 is used for mounting and positioning the lower mold, and the upper mounting plate 2 is provided with a corresponding quick change structure; the upper molds of different types of molds are quickly disassembled and replaced through the quick change mechanism when connected to the upper mounting plate 2; similarly, the lower mounting plate 3 is provided with a positioning part and a mold locking mechanism; when the lower molds of different types of molds are connected to the lower mounting plate 3, the lower molds are firstly positioned through the corresponding positioning part and then positionally locked through the plurality of mold locking mechanisms; it should be noted that the positioning part and the mold locking mechanism can be suitable for different types of molds in different industries, for example, the molds with different functions such as welding, covering, pressing and cooling, and have strong universality.

[0030] In this embodiment, specifically, the quick-change mechanism includes a plurality of first driving cylinders 6, a plurality of communication holes 8 for the fixed insertion plates of the upper die are formed on the upper mounting plate 2, the plurality of first driving cylinders 6 are installed on the upper end face of the upper mounting plate 2 and correspond to the communication holes 8 respectively, the driving end of each first driving cylinder 6 is connected with the first locking pin 7 which is inserted and positioned with the fixed insertion plate, and the connection and fixation of the upper die are realized. When the mold is changed, the upper die is supported by the special supporting assembly, each first driving cylinder 6 moves reversely, each first locking pin 7 is driven to be separated from the positioning insertion hole of the fixed insertion plate, at this time, the upper die moves downward by a distance, so that the fixed insertion plate is separated from the communication hole 8, then the upper die can be translated, so that the new upper die is installed and fixed. In this structure, preferably, the upper end face of the upper mounting plate 2 is provided with a positioning seat at the position corresponding to each communication hole 8, a sliding hole is formed on each positioning seat, one end of each first locking pin 7 is connected with the driving end of the first driving cylinder 6, and the other end is slidably fitted in the sliding hole; in addition, the outer wall of each fixed seat 9 is provided with a horizontally arranged fixed plate, one end of the fixed plate away from the positioning seat is provided with a sensor for detecting the first locking pin 7, that is, the sensor can identify whether each corresponding first locking pin 7 is extended to the working state, so that when the upper die is connected, each fixed insertion plate can be inserted and positioned, and the situation that the upper die is not stably connected due to the first locking pin 7 not being normally extended can be avoided; and the rack body 1 is provided with a controller, each sensor is electrically connected with the controller, when it is monitored that the first locking pin 7 is not successfully extended, the system can issue a warning prompt.

[0031] In addition, the front and rear ends of the left and right sides of the lower mounting plate 3 are provided with fixed seats 9, each fixed seat 9 is provided with a second locking pin 10 and a second driving cylinder 11 for driving the horizontal movement of the second locking pin 10 on the side close to the lower die; the lower end face of the second locking pin 10 is a wedge surface, when the lower die is installed on the lower mounting plate 3, the front and rear two second locking pins 10 at both ends of the lower mounting plate 3 move towards the center of the lower die respectively, until the wedge surface of the lower end face of each second locking pin 10 is locked and matched with the wedge block at the corresponding position on the lower die, to form a mold locking mechanism.

[0032] In this embodiment, in order to further ensure the installation stability and position accuracy of the lower die, the positioning part includes two positioning lugs 22 connected to the rear end of the lower mounting plate 3 and arranged at intervals left and right, two positioning pins 23 connected to the front end of the lower mounting plate 3 and arranged at intervals left and right, and two pin driving cylinders 24 for driving the vertical movement of each positioning pin 23 respectively; when the lower die moves from front to back to the set position during mold changing, the rear end of the lower die abuts against the two positioning lugs 22, the two pin driving cylinders 24 drive the positioning pins 23 to move upward until they are inserted and matched into the positioning insertion hole pre-set on the lower surface of the front end of the lower die, to realize the accurate limitation of the installation position of the lower die, and at the same time, combined with the insertion and locking of the four second locking pins 10 on the left and right sides of the lower die, the structural stability after the connection of the lower die is effectively ensured.

[0033] In still another aspect, the mold changing and lifting mechanism in the embodiment comprises two lifting driving cylinders 12, the piston rods of which are fixedly connected to the lower end faces of the lower mounting plate 3, the cylinder bodies of the two lifting driving cylinders 12 are connected with a lifting plate 13, the upper end face of the lifting plate 13 is provided with a plurality of ejecting pieces 4, the upper ends of the ejecting pieces 4 are connected with universal balls 14 respectively, and the left and right ends of the lower mounting plate 3 are both provided with a plurality of avoiding through holes 5. When the lower mold needs to be lifted, the lifting driving cylinders 12 are retracted, the piston rods of which are fixed to the lower mounting plate 3, so the cylinder bodies of the lifting driving cylinders 12 move upward, thereby driving the lifting plate 13 to move upward, until the plurality of ejecting pieces 4 pass through the plurality of avoiding through holes 5 on the lower mounting plate 3 respectively, and the lower mold is lifted; and in this structure, the upper ends of the ejecting pieces 4 are connected with the universal balls 14 respectively, so when the lower mold moves horizontally, it is rolling friction, which is more labor-saving and improves the mold changing efficiency.

[0034] In addition, in the above structure, two front and rear distributed guide rods 15 are connected to the lower end faces of the two ends of the lower mounting plate 3, two guide shaft sleeves 16 are provided on the two positioning plates respectively, and the guide shaft sleeves 16 are slidingly fitted on the outer portions of the corresponding guide rods 15 respectively, so that the lifting of the lifting plate 13 is more stable, thereby ensuring that the plurality of ejecting pieces 4 can be accurately aligned with the plurality of avoiding through holes 5.

[0035] In the embodiment, referring to the accompanying drawings, Figure 2 and 3The lifting driving mechanism comprises two guide racks 17, a double-head motor 18 and two driving gears 19. The two guide racks 17 are vertically connected to the two side walls of the rack body 1. The double-head motor 18 is connected to the upper end face of the upper mounting plate 2. The two driving gears 19 are respectively connected to the output shafts of the double-head motor 18 and are respectively engaged with the two guide racks 17. The lifting movement of the upper mounting plate 2 on the rack body 1 is realized by the operation of the double-head motor 18. On the other hand, in this structure, a height positioning mechanism is further arranged between the upper mounting plate 2 and the rack body 1, so that the upper mounting plate 2 can be positioned at any height position. Specifically, the height positioning mechanism comprises two positioning racks 20, and the two positioning racks 20 are respectively vertically connected to the two side walls of the rack body 1. The two ends of the upper mounting plate 2 are respectively connected with positioning driving cylinders 21. The driving ends of the two positioning driving cylinders 21 are respectively connected with positioning protruding teeth matched with the positioning racks 20. When the upper mounting plate 2 is positioned at a set height, the two ends of the upper mounting plate 2 are clamped in the tooth grooves of the corresponding height of the positioning racks 20. When the upper mounting plate 2 needs to be adjusted, the two positioning driving cylinders 21 are retracted, so that the two positioning protruding teeth are separated from the corresponding tooth grooves. When the upper mounting plate 2 is adjusted to the required height position, the two positioning protruding teeth are matched with the corresponding tooth grooves again, so as to limit the position of the upper mounting plate 2. The height positioning mechanism in this structure also has the effect of preventing the upper mounting plate 2 from falling accidentally and improving the safety performance.

[0036] In the above structure, the upper mounting plate 2 and the lower mounting plate 3 are connected by four vertical columns arranged in a rectangular shape, and a vertical linear slide rail 25 is connected to each of the four vertical columns. Four sliders are connected to the four corner positions of the upper mounting plate 2, and the four sliders are respectively slidably matched with the corresponding linear slide rails 25, so as to improve the stability of the up-down movement of the upper mounting plate 2.

[0037] In addition, in the embodiment, a row of front-rear direction arranged guide rollers 26 are arranged at the two ends of the lower mounting plate 3. The two ends of the lower die abut against the two rows of guide rollers 26. The guide rollers 26 play a rolling guiding role during subsequent mold changing, reduce the driving force of horizontal movement, and facilitate mold changing.

[0038] In addition, the rack body 1 is further provided with a control cabinet 27, and a plurality of aviation plugs are arranged on the upper mounting plate 2, so as to better expand the application range of the tooling.

[0039] In the description of the application, the description referring to the term "the embodiment" means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the specification, the illustrative description of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0040] The above description is merely specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A universal frame for automotive interior molds, characterized in that: The utility model relates to a quick change mechanism for automobile interior mold, including rack body (1), the upper end of rack body (1) is connected with the vertically liftable upper mounting plate (2), be provided with the lifting drive mechanism for driving the upper mounting plate (2) moves up and down on the upper mounting plate (2) and / or the rack body (1), be provided with the quick change mechanism for quick disassembly and replacement of different types of upper mould on the upper mounting plate (2), the lower end of rack body (1) is connected with lower mounting plate (3), be provided with the positioning part for positioning different types of lower mould and multiple lock die mechanisms on the lower mounting plate (3), the lower side of the left and right two ends of lower mounting plate (3) is connected with die changing jacking mechanism, and the lower mounting plate (3) is opened and is provided with the avoiding through -hole (5) for the ejection piece (4) of two die changing jacking mechanism to go out.

2. The automotive interior mold universal gantry of claim 1, wherein: The quick change mechanism includes a plurality of first drive cylinders (6) horizontally mounted on the upper end surface of the upper mounting plate (2), the drive end of each first drive cylinder (6) is connected with a first locking pin (7), a plurality of communication holes (8) are formed in the upper mounting plate (2), when the upper mold of the automobile interior mold is installed at the lower end of the upper mounting plate (2), and the plurality of fixed insertion plates on the upper mold pass through the plurality of communication holes (8) respectively, each first drive cylinder (6) is used to drive the corresponding first locking pin (7) to be inserted and positioned into the positioning insertion hole of the corresponding fixed insertion plate.

3. The automotive interior mold universal gantry of claim 1 or 2, wherein: The front and rear ends of the left and right sides of the lower mounting plate (3) are provided with a fixed seat (9), the side close to the lower mold of each fixed seat (9) is provided with a second locking pin (10) and a second drive cylinder (11) for driving the second locking pin (10) to move horizontally; the lower end surface of the second locking pin (10) is a wedge surface, when the lower mold is installed on the lower mounting plate (3), the front and rear second locking pins (10) at both ends of the lower mounting plate (3) move towards the center of the lower mold respectively, until the wedge surface of the lower end surface of each second locking pin (10) is locked and matched with the wedge block at the corresponding position on the lower mold, to form the lock die mechanism.

4. The automotive interior mold universal gantry of claim 1, wherein: The die changing jacking mechanism includes two jacking drive cylinders (12), the free end of the piston rod of the two jacking drive cylinders (12) is fixedly connected to the lower end surface of the lower mounting plate (3), a jacking plate (13) is connected to the cylinder body of the two jacking drive cylinders (12), the upper end surface of the jacking plate (13) is provided with a plurality of ejection pieces (4), and the upper end of each ejection piece (4) is connected with a universal ball (14), a plurality of avoiding through holes (5) are formed in the left and right ends of the lower mounting plate (3).

5. The automotive interior mold universal gantry of claim 4, wherein: Two front and rear distributed guide rods (15) are connected to the lower end surface at both ends of the lower mounting plate (3), two guide shaft sleeves (16) are provided on the two positioning plates, and each guide shaft sleeve (16) is slidingly fitted on the outside of the corresponding guide rod (15).

6. The automotive interior mold universal gantry of claim 1, wherein: The lifting driving mechanism comprises two guide racks (17), a double-head motor (18) and two driving gears (19), the two guide racks (17) are connected on the two side walls of the rack body (1) in the vertical direction, the double-head motor (18) is connected on the upper end face of the upper mounting plate (2), the two driving gears (19) are connected on the output shafts of the double-head motor (18) respectively, and the two driving gears (19) are engaged with the two guide racks (17) respectively; the height positioning mechanism is further arranged between the upper mounting plate (2) and the rack body (1).

7. The automotive interior mold universal gantry of claim 6, wherein: The height positioning mechanism comprises two positioning racks (20), and the two positioning racks (20) are connected on the two side walls of the rack body (1) in the vertical direction respectively, the two ends of the upper mounting plate (2) are connected with positioning driving cylinders (21), and the driving ends of the two positioning driving cylinders (21) are connected with positioning convex gears matched with the positioning racks (20).

8. The automotive interior mold universal gantry of claim 1, wherein: The positioning part comprises two positioning convex blocks (22) connected on the rear end of the lower mounting plate (3), two positioning pins (23) connected on the front end of the lower mounting plate (3) and two pin driving cylinders (24) for driving the vertical movement of the positioning pins (23) respectively; when the lower die moves from front to back to the set position, the rear end of the lower die abuts against the two positioning convex blocks (22), and the positioning pins (23) are driven by the two pin driving cylinders (24) to move upward until they are inserted and matched into the positioning insertion holes on the lower surface of the front end of the lower die.

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