Seat foaming apparatus

Abstract

The application discloses a seat foaming forming equipment, relates to the technical field of foaming forming, and comprises a rack, a mold body, a rotating device and a supporting device, the mold body is rotatably installed in the rack through the middle part; the rotating device is installed in the rack and is used for driving the mold body to rotate and adjust; the supporting device is located below the mold body and comprises a driving assembly and at least one pair of connecting rod assemblies, the connecting rod assemblies are movably arranged on both sides of the bottom end of the rack, and the driving assembly is installed at the bottom end of the rack and connected with the first end of the connecting rod assembly. The application has the beneficial effects that: the connecting rod assembly with the foldable structure is arranged at the bottom end of the rack, the rotating direction of the mold body can be stably locked when being unfolded; the structural layout does not need to expand the installation space of the bottom end of the rack, meanwhile, the occupation of the installation space outside the rack can be obviously reduced, so that the rational optimization and utilization of the overall installation space of the equipment are realized.

Description

Technical Field

[0001] This application relates to the field of foam molding technology, and in particular to a seat foam molding equipment. Background Technology

[0002] The automotive seat foam molding equipment is used to produce core components such as polyurethane foam cushions, backrests, and headrests for automotive seats. Its main function is to inject polyurethane raw materials into a pre-set mold, and by controlling process parameters such as temperature and pressure, the raw materials undergo a foaming reaction and are molded into seat foam cores that meet the design requirements.

[0003] In existing technologies, such as Figure 1 As shown, the foam molding equipment includes a frame 1, a mold body 2, a rotating device 3, and a locking device 4. The mold body 2 is rotatably mounted on the frame 1. The rotating device 3 is mounted on the frame 1 to drive the mold body 2 to rotate, ensuring that the foaming material inside the mold body 2 is fully filled. Multiple locking devices 4 are installed on the outside of the frame 1 to fix the position of the mold body 2 after the foamed product is formed. This structure has the following drawbacks: the locking devices 4 on the outside are prone to collision and interference with operators or robotic arms; furthermore, when the installation distance between the locking devices 4 and the rotating device 3 is too small, they are prone to mutual interference, which is not conducive to the optimized layout of the overall equipment structure. Therefore, how to improve the existing seat foam molding equipment to overcome the above problems is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] One of the objectives of this application is to provide a seat foam molding apparatus.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a seat foaming molding equipment, comprising a frame, a mold body, a rotating device, and a supporting device. The mold body is rotatably mounted on the frame via its central portion. The rotating device is mounted on the frame and is used to drive the mold body to rotate and adjust. The supporting device is located below the mold body and includes a driving component and at least one pair of connecting rod components. The connecting rod components are movably disposed on both sides of the bottom end of the frame. The driving component is mounted on the bottom end of the frame, and its driving end is connected to the first end of the connecting rod component. During foaming molding, the connecting rod components are adapted to fold and be stored at the bottom end of the frame under the drive of the driving component, thereby providing clearance space for the rotation and adjustment of the mold body. After foaming molding is completed, the connecting rod components are adapted to unfold under the drive of the driving component, so that the second end of the connecting rod component abuts against and supports the two sides of the horizontal plane at the bottom end of the mold body, thereby locking the rotation direction of the mold body.

[0006] Preferably, the linkage assembly includes a support base, a first linkage, and a second linkage. The support base is mounted on the bottom end of the frame. The first linkage is rotatably mounted on the support base via a first end. The first end of the second linkage is rotatably connected to the middle of the first linkage, and the second end of the second linkage is rotatably connected to the driving end of the driving assembly. During foaming, the driving assembly is adapted to pull the second linkage to drive the first linkage to move, so that the first linkage rotates downward around its first end and folds and stores at the bottom end of the frame. After foaming is completed, the driving assembly is adapted to push the second linkage to drive the first linkage to move in the opposite direction, so that the first linkage rotates upward around its first end to unfold, until the second end of the first linkage abuts against and supports the bottom end of the mold body.

[0007] Preferably, the support base includes a base body and a support sleeve. The support sleeve is installed at the bottom end of the frame, and the base body is vertically and elastically slidably disposed within the support sleeve. The first end of the first connecting rod is rotatably connected to the base body. After foaming and molding are completed, the driving component is adapted to drive the first connecting rod to perform two processes via the second connecting rod. In the first process, the first connecting rod is adapted to rotate upward around the first end by a set angle and unfold. At this time, the base body is adapted to remain stationary under the action of elasticity, and the second end of the first connecting rod is spaced apart from the mold body. In the second process, the first connecting rod is adapted to drive the base body to move vertically upward synchronously until the second end of the first connecting rod abuts against and supports the bottom end of the mold body.

[0008] Preferably, during the second process, the second end of the first connecting rod is inserted into the bottom end of the mold body to lock the mold body in the horizontal direction.

[0009] Preferably, when the linkage assembly is in the folded storage state, the angle between the first linkage axis and the horizontal plane is 0°; when the linkage assembly is in the unfolded state, the angle between the first linkage axis and the horizontal plane is 90°.

[0010] Preferably, the drive assembly includes a bidirectional lead screw, a pair of moving parts, and a drive component. The bidirectional lead screw is horizontally rotatably mounted on the bottom end of the frame. The drive component is mounted on the frame and its output end is connected to the bidirectional lead screw. The moving parts are respectively connected to both sides of the bidirectional lead screw and are rotatably connected to the second end of the corresponding second connecting rod. Under the drive of the drive component, the bidirectional lead screw drives the moving parts to move relatively away from or closer to each other, thereby pushing or pulling the second connecting rod.

[0011] Preferably, four connecting rod assemblies are provided, which are arranged in a rectangular shape and provide support to the four corners of the bottom of the mold body.

[0012] Preferably, the bidirectional lead screw is installed at the middle of the bottom end of the frame, and the four connecting rod assemblies are divided into two pairs and symmetrically arranged on both sides of the bidirectional lead screw; a track is installed between the two connecting rod assemblies of each pair at the bottom end of the frame, and two moving parts are symmetrically arranged on the bidirectional lead screw; each moving part includes a threaded sleeve and a pair of sliders; the threaded sleeve is threaded into a single threaded section of the bidirectional lead screw, and the sliders are slidably installed on the two tracks and fixedly connected to the threaded sleeves by a fixing rod; the second connecting rod is rotatably connected to the corresponding slider.

[0013] Preferably, the seat foaming molding equipment further includes a support assembly and a telescopic device. The support assembly includes an upper support and a lower support. The lower support is rotatably mounted on the frame and connected to the rotating device. The first end of the upper support is rotatably mounted on the first end of the lower support. The telescopic device is hinged between the upper support and the lower support. The mold body includes an upper mold and a lower mold. The upper mold is mounted on the upper support, and the lower mold is mounted on the lower support. The telescopic device is adapted to perform telescopic movements to drive the upper support to rotate around the lower support, so that the upper mold and the lower mold move away from or closer to each other, thereby realizing automatic opening and closing of the mold body.

[0014] Preferably, the seat foam molding equipment further includes a mold locking device, which includes a first mold locking assembly and a second mold locking assembly; the first mold locking assembly is installed at the first end of the lower support, and the second mold locking assembly is installed at the second end of the lower support; when the mold body is opened, the first mold locking assembly is adapted to lock with the first end of the upper support, thereby locking the open state of the upper mold; when the mold body is closed, the second mold locking assembly is adapted to lock with the second end of the upper support, thereby locking the closed state of the upper mold.

[0015] Compared with the prior art, the beneficial effects of this application are as follows: This invention places a support device at the bottom of the frame, which consists of a connecting rod assembly and a drive assembly. During the foaming and molding stage, the connecting rod assembly can be folded and stored at the bottom of the frame, providing clearance for the rotation and adjustment of the mold body. During the mold opening and material unloading stage after the foaming reaction is complete, the connecting rod assembly unfolds under the drive of the drive assembly, providing stable support and limiting on both sides of the bottom of the mold body, thereby locking the rotation direction of the mold body. This structural layout eliminates the need to expand the installation space at the bottom of the frame to install the support device, while significantly reducing the occupation of the installation space on the outside of the frame, thus achieving a rational and optimized use of the overall installation space of the equipment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an existing seat foam molding equipment.

[0017] Figure 2 This is a schematic diagram of the specific structure of an existing locking device.

[0018] Figure 3 This is a schematic diagram of the overall three-dimensional structure of the present invention.

[0019] Figure 4 This is a schematic diagram of the support device structure of the present invention.

[0020] Figure 5 for Figure 4 A schematic diagram of a local structure.

[0021] Figure 6 This is a schematic diagram of the linkage assembly of the present invention in a folded and stored state.

[0022] Figure 7 This is a schematic diagram of the first link of the present invention rotating and unfolding to a vertical state.

[0023] Figure 8 This is a schematic diagram of the first connecting rod of the present invention moving vertically upward and supporting itself against the bottom end of the mold body.

[0024] Figure 9 This is a schematic diagram of the mold body of the present invention during mold opening.

[0025] Figure 10 This is a schematic diagram of the mold body of the present invention when it is closed.

[0026] In the diagram: 1. Frame; 2. Mold body; 21. Upper mold; 22. Lower mold; 3. Rotating device; 4. Locking device; 41. Hydraulic cylinder; 42. Pin; 43. Locking block; 5. Support device; 51. Drive assembly; 511. Drive component; 512. Two-way lead screw; 513. Moving part; 5131. Threaded sleeve; 5132. Slider; 52. Linkage assembly; 521. First link; 522. Second link; 523. Support seat; 5231. Support sleeve; 5232. Seat body; 6. Track; 7. Support assembly; 71. Upper support; 72. Lower support; 8. Telescopic device; 9. Mold locking device; 91. First mold locking assembly; 92. Second mold locking assembly. Detailed Implementation

[0027] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] In the description of this application, it should be noted that the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., which indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of this application.

[0029] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0030] To facilitate understanding of the technical solution of this application, a brief description of existing seat foaming molding equipment will be provided below: For example... Figure 1 As shown, it includes a frame 1, a mold body 2, a rotating device 3, and a locking device 4. The mold body 2 is rotatably mounted on the upper end of the frame 1 via its central part. The rotating device 3 is mounted on the frame 1 and is used to drive the mold body 2 to rotate and adjust. The locking device 4 generally consists of four sets, which are respectively arranged on the outer perimeter of the frame 1. Figure 2 As shown, the locking device 4 includes a hydraulic cylinder 41, a pin 42, and a locking block 43. The hydraulic cylinder 41 is fixedly installed on the outside of the frame 1 and the piston end is connected to the pin 42. The locking block 43 is correspondingly fixedly installed on the mold body 2.

[0031] During foaming and molding, the rotating device 3 drives the mold body 2 to rotate and adjust, allowing the foaming material to flow and fill fully within the cavity. After foaming and molding are completed, the mold body 2 rotates to the mold opening position. At this time, the hydraulic cylinder 41 drives the pin 42 to extend and insert into the locking hole of the corresponding locking block 43, thus locking the rotation position of the mold body 2. This locking device 4 has the following shortcomings: First, the locking device 4 is exposed on the side of the frame 1, and the driving of the hydraulic cylinder 41 requires external valve bodies and pipelines, making the entire equipment structure complex. Furthermore, collisions and interference are likely to occur when operators load and unload materials or when the robotic arm transfers and picks up materials. Second, the rotating device 3 is also installed on the side of the frame 1. When the installation distance between the locking device 4 and the rotating device 3 is close, their component structures are prone to mutual interference. Third, during the subsequent mold opening process, the pin 42 is subjected to a large radial force when locking the mold. The radial shear resistance of the pin 42 is less than its axial bearing capacity, thus affecting its service life.

[0032] Therefore, the inventors of this application have developed a seat foaming molding apparatus, one embodiment of which is, for example... Figures 3 to 8 As shown, it includes a support device 5, which is located below the mold body 2. The support device 5 includes a drive assembly 51 and at least one pair of connecting rod assemblies 52. The connecting rod assemblies 52 are movably disposed on both sides of the bottom end of the frame 1. The drive assembly 51 is installed at the bottom end of the frame 1 and its drive end is connected to the first end of the connecting rod assembly 52.

[0033] Understandably, during foam molding, the connecting rod assembly 52 can be folded and stored at the bottom of the frame 1 under the drive assembly 51, such as... Figure 6 As shown, this provides sufficient clearance for the rotation adjustment of the mold body 2, ensuring that the rotation process of the mold body 2 is not interfered with. After foaming and molding are completed, the mold body 2 rotates to the mold opening position, as shown... Figure 7 As shown, the connecting rod assembly 52 can be deployed under the drive of the drive assembly 51, so that the second end of the connecting rod assembly 52 abuts against the two sides of the bottom end of the mold body 2. The supporting force of the pair of connecting rod assemblies 52 directly restricts the rotation trend of the mold body 2, thereby achieving stable locking of the rotation direction of the mold body 2.

[0034] Therefore, it can be seen that the support device 5 is integrated and installed at the bottom of the frame 1. The bottom of the frame 1 itself has been designed to allow for the rotation of the mold body 2. The connecting rod assembly 52 can be folded and stored at the bottom of the frame 1 when not in operation, and can be unfolded to achieve support and locking when in operation. Therefore, there is no need to expand the installation space at the bottom of the frame 1 to install the support device 5. This not only makes reasonable use of the overall installation space of the equipment, but also does not occupy the outer area of ​​the frame 1. At the same time, the connecting rod assembly 52 can directly provide support and locking at the bottom of the mold body 2, thereby improving the support stability.

[0035] This application does not limit the structure of the linkage assembly 52, but the following specific embodiment is provided for reference: Figure 5 As shown, the linkage assembly 52 includes a support base 523, a first link 521, and a second link 522. The support base 523 is mounted on the bottom end of the frame 1. The first link 521 is rotatably mounted on the support base 523 via its first end. The first end of the second link 522 is rotatably connected to the middle of the first link 521, and the second end of the second link 522 is rotatably connected to the drive end of the drive assembly 51. For ease of understanding, the first end of the first link 521 is the bottom end, and the second end of the first link 521 is the top end; the first end of the second link 522 is the end connected to the first link 521, and the second end of the second link 522 is the end connected to the drive assembly 51.

[0036] Understandably, during foaming and molding, the drive component 51 pulls the second link 522, which in turn pulls the first link 521 to rotate downward around its first end, thus enabling the first link 521 to be folded and stored. After foaming is completed and the mold body 2 rotates to the mold opening position, the drive component 51 pushes the second link 522, which in turn drives the first link 521 to rotate upward around its first end until the second end of the first link 521 is pressed against and supported at the bottom of the mold body 2, thus completing the support and locking.

[0037] It should be noted that, under normal circumstances, the mold opening station of the mold body 2 corresponds to its horizontal placement station. Therefore, the following explanation will take the rotation of the mold body 2 to the horizontal mold opening station as an example.

[0038] Further optimization, such as Figure 6 As shown, when the connecting rod assembly 52 is in the folded state, the angle between the axis of the first connecting rod 521 and the horizontal plane is 0°, meaning the entire first connecting rod 521 is in a horizontal state, minimizing its occupation of the upper rotation space. When the connecting rod assembly 52 is in the unfolded state, the angle between the axis of the first connecting rod 521 and the horizontal plane is 90°, meaning the first connecting rod 521 is in a vertical state, thus achieving stable support for the bottom of the mold body 2.

[0039] Based on the above embodiments, the first connecting rod 521 has the following shortcomings when unfolding or retracting: Since the first connecting rod 521 needs to rotate to the bottom of the mold body 2 to complete the support, if the top of the first connecting rod 521 is a point structure, no motion interference will occur during the rotation; however, in the actual structure, the top of the first connecting rod 521 is a surface structure, so it will interfere with the mold body 2 during the rotation, so that the first connecting rod 521 needs to overcome greater resistance and generate additional deformation in order to rotate to a vertical state and then cooperate with the bottom of the mold body 2.

[0040] Therefore, in order to solve the above-mentioned technical problems, such as Figure 5 As shown, the support base 523 includes a base body 5232 and a support sleeve 5231. The support sleeve 5231 is fixedly installed at the bottom of the frame 1, while the base body 5232 is vertically inserted and slidably disposed in the support sleeve 5231. The base body 5232 is connected to the bottom of the frame 1 or the support sleeve 5231 by a tension spring. The bottom end of the first connecting rod 521 is rotatably installed on the top of the base body 5232.

[0041] It is understandable that when the foaming and molding process is completed and the connecting rod assembly 52 is unfolded, the drive assembly 51 can drive the first connecting rod 521 to perform the following two actions via the second connecting rod 522, wherein the first action is as follows: Figure 7As shown, the first connecting rod 521 rotates upwards around its bottom end to the vertical limit position. At this time, the seat 5232 is in the lowest position inside the support sleeve 5231 under the action of the tension spring, and there is a gap between the top of the vertical first connecting rod 521 and the mold body 2, thus providing sufficient rotational clearance space. Second process: as shown Figure 8 As shown, the drive assembly 51 continuously outputs thrust, and the second link 522 drives the first link 521 to move upward as a whole. The seat 5232 overcomes the tension spring force and slides vertically upward along the support sleeve 5231 until the top of the first link 521 abuts against and supports the bottom of the mold body 2, thus completing the locking action.

[0042] In other words, by setting the base 5232 at the bottom of the first connecting rod 521 to a floating installation, the first connecting rod 521 can maintain a low position during rotation to the vertical position, avoiding structural interference between the top of the first connecting rod 521 and the mold body 2 during rotation. Then, the entire assembly is lifted to achieve final support and locking, effectively improving the reliability of the mechanism's operation. Furthermore, this structural design eliminates the need for an additional drive source, resulting in a simple and compact overall structure.

[0043] Further preferably, during the second process, the top end of the first connecting rod 521 can be inserted into the bottom end of the mold body 2, for example, a positioning groove is pre-set at the bottom end of the mold body 2. Figure 5 As shown, the top of the first connecting rod 521 is provided with a matching positioning protrusion. When the first connecting rod 521 is lifted upward to complete the support, the positioning protrusion is inserted into the positioning groove, which can further restrict the displacement of the mold body 2 in the horizontal direction and improve the stability of the locking support.

[0044] In one embodiment of this application, such as Figure 4 As shown, the drive assembly 51 includes a bidirectional lead screw 512, a pair of moving parts 513, and a drive component 511. The bidirectional lead screw 512 is horizontally rotatably mounted on the bottom of the frame 1. The drive component 511 is mounted on the frame 1 and its output end is connected to the bidirectional lead screw 512. The moving parts 513 are respectively connected to both sides of the bidirectional lead screw 512, and the moving parts 513 are rotatably connected to the second end of the corresponding second connecting rod 522. The drive component 511 is common knowledge known to those skilled in the art and can be a motor, a rotary cylinder, or a rotary hydraulic cylinder, etc. In this application, a motor is used.

[0045] Understandably, when the motor drives the bidirectional lead screw 512 to rotate clockwise, the rotation of the bidirectional lead screw 512 causes the moving parts 513 on both sides to move closer to each other. At this time, the two moving parts 513 pull the lower end of the corresponding second connecting rod 522, and the two second connecting rods 522 on both sides pull the middle part of the corresponding first connecting rod 521, causing the first connecting rod 521 to rotate downward around its bottom end for folding and storage. Similarly, when the motor drives the bidirectional lead screw 512 to rotate counterclockwise, the two second connecting rods 522 on both sides push the middle part of the corresponding first connecting rod 521, causing the first connecting rod 521 to rotate upward around its bottom end and unfold.

[0046] Further optimization, such as Figure 4 As shown, a pair of connecting rod assemblies 52 are provided on both sides of the frame 1, and the four connecting rod assemblies 52 are distributed in a rectangular shape to support the four corners of the bottom of the mold body 2. This allows the bottom of the mold body 2 to be subjected to a uniform supporting force, thereby improving the support stability.

[0047] Based on the above embodiments, in this embodiment, as follows: Figure 4 and Figure 5 As shown, the bidirectional lead screw 512 is located at the middle of the bottom end of the frame 1. The four connecting rod assemblies 52 are divided into two pairs and are symmetrically arranged on the front and rear sides of the bidirectional lead screw 512. Tracks 6 are installed on the front and rear sides of the bottom end of the frame 1 corresponding to the bidirectional lead screw 512. The tracks 6 correspond to each pair of connecting rod assemblies 52, that is, the two ends of the tracks 6 correspond to the support seats 523 of each pair of connecting rod assemblies 52. The moving part 513 includes a threaded sleeve 5131 and a pair of sliders 5132. The threaded sleeve 5131 is threaded into the two threaded sections of the bidirectional lead screw 512 with opposite directions of rotation. The two corresponding sliders 5132 located on the left and right sides of the bottom end of the frame 1 are slidably arranged on the same track 6. The two corresponding sliders 5132 located on the front and rear sides of the bottom end of the frame 1 are connected to the corresponding threaded sleeve 5131 through a fixing rod.

[0048] Understandably, the rotation of the bidirectional lead screw 512 drives the two threaded sleeves 5131 to move relative to each other, and the threaded sleeves 5131 drive the two sliders 5132 located on the same side of the bottom end of the frame 1 to move. The sliders 5132 push or pull the second connecting rod 522 to realize the folding or unfolding of the connecting rod assembly 52. ​​It can be seen that the slider 5132, through the sliding fit constraint with the track 6, can ensure the accuracy of the moving part 513 moving along the axial direction of the bidirectional lead screw 512; in addition, only one motor is needed to drive the four first connecting rods 521 to complete the synchronous action at the same time, which has good motion synchronization, compact overall structure design, and can also effectively reduce the cost brought about by multi-drive source synchronous control.

[0049] In this embodiment, as Figure 9As shown, the seat foam molding equipment also includes a support assembly 7 and a telescopic device 8. The support assembly 7 includes an upper support 71 and a lower support 72. The lower support 72 is rotatably mounted on the frame 1 and connected to the rotating device 3. The first end of the upper support 71 is rotatably mounted on the first end of the lower support 72. The telescopic device 8 is hinged between the upper support 71 and the lower support 72. The mold body 2 includes an upper mold 21 and a lower mold 22. The upper mold 21 is mounted on the upper support 71, and the lower mold 22 is mounted on the lower support 72.

[0050] Specifically, the telescopic device 8 can be, for example, a hydraulic rod, with its bottom cylinder hinged to the lower support 72 and its piston rod hinged to the upper support 71. When mold opening is required, such as... Figure 9 As shown, the hydraulic rod drives the piston rod to extend, which in turn causes the upper support 71 to rotate upwards around the rotation point with the lower support 72, separating the upper mold 21 from the lower mold 22 for easy removal of the foamed product. During mold closing, as... Figure 10 As shown, the hydraulic rod drives the piston rod to retract, causing the upper bracket 71 to rotate downwards, so that the upper mold 21 and the lower mold 22 come close together and fit together, thus completing the mold closing action.

[0051] Further preferably, the seat foam molding equipment also includes a mold-locking device 9, which includes a first mold-locking assembly 91 and a second mold-locking assembly 92. The first mold-locking assembly 91 is installed at the first end of the lower support 72, and the second mold-locking assembly 92 is installed at the second end of the lower support 72. It can be understood that after mold opening, the first mold-locking assembly 91 can lock with the first end of the upper support 71, thereby locking the open state of the upper mold 21; similarly, after mold closing, the second mold-locking assembly 92 can lock with the second end of the upper support 71, maintaining the close and pressed state of the upper mold 21 and the lower mold 22.

[0052] Of course, there are various structural forms for the first mold-locking assembly 91 and the second mold-locking assembly 92, and this application does not limit them. For example, the first mold-locking assembly 91 can adopt a structure similar to the locking device 4 in the prior art, with a locking hole provided at the first end of the upper bracket 71. When the mold is opened, the hydraulic cylinder 41 drives the pin 42 to extend and insert into the locking hole to complete the locking of the mold-open state. The second mold-locking assembly 92 includes a clamping plate and a hydraulic rod. The clamping plate has an "L" shape and is rotatably installed at the second end of the lower bracket 72. The hydraulic rod is hinged to the second end of the lower bracket 72, and the piston rod of the hydraulic rod is hinged to the clamping plate. When the mold is closed, the hydraulic rod drives the clamping plate to rotate, so that the cross arm part of the clamping plate is pressed against the second end of the upper bracket 71, thereby completing the locking of the mold-closed state.

[0053] The working principle of this invention is as follows: (1) such as Figure 6As shown, the connecting rod assembly 52 is in a folded and stowed state at this time, the first connecting rod 521 is arranged horizontally, and the sliders 5132 on the left and right sides are relatively close to each other. In this state, the mold body 2 can be angled under the drive of the rotating device 3, providing working conditions for the foaming molding process.

[0054] (2) For example Figure 7 As shown, after the foaming process is completed, the rotating device 3 drives the mold body 2 to rotate to the horizontal mold opening position. The motor drives the bidirectional lead screw 512 to reverse. The two threads of the bidirectional lead screw 512 with opposite directions of rotation drive the threaded sleeves 5131 on both sides to move away from each other, thereby driving the sliders 5132 on both sides to move away from each other along the track 6. The sliders 5132 push the first connecting rod 521 to rotate upward around the top of the seat 5232 through the second connecting rod 522 until the first connecting rod 521 rotates to the vertical position.

[0055] (3) such as Figure 8 As shown, the motor continues to run. At this time, the first connecting rod 521 has rotated to the vertical limit position and can no longer rotate. The thrust will drive the seat 5232 to overcome the tension of the tension spring and slide vertically upward along the support sleeve 5231, so that the first connecting rod 521 is raised synchronously as a whole until the first connecting rod 521 is inserted and engaged with the bottom end of the mold body 2, thereby achieving tight support for the bottom end of the mold body 2 and locking the rotation direction and horizontal direction of the mold body 2.

[0056] (4) The mold opening process of the mold body 2 is as follows: First, the second mold locking assembly 92 releases the lock on the upper mold 21. Then, the telescopic device 8 drives the piston rod to extend, causing the upper support 71 to rotate upward around its hinge end with the lower support 72, driving the upper mold 21 and the lower mold 22 to gradually separate. After the upper support 71 rotates to the preset mold opening angle, the first mold locking assembly 91 starts and locks with the first end of the upper support 71 to stably maintain the mold opening state. At this time, the operator or robot can take the foamed product out of the lower mold 22, such as Figure 9 As shown.

[0057] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A seat foaming molding equipment, characterized in that, include: frame; The mold body is rotatably mounted on the frame via its central portion; A rotating device, which is mounted on the frame and used to drive the mold body to rotate for adjustment; as well as A support device is located below the mold body and includes a drive assembly and at least one pair of connecting rod assemblies. The connecting rod assemblies are movably disposed on both sides of the bottom end of the frame. The drive assembly is installed at the bottom end of the frame and its drive end is connected to the first end of the connecting rod assembly. During foaming and molding, the connecting rod assembly is adapted to be folded and stored at the bottom of the frame under the drive of the drive assembly, thereby providing clearance space for the rotation adjustment of the mold body; after foaming and molding is completed, the connecting rod assembly is adapted to be unfolded under the drive of the drive assembly, so that the second end of the connecting rod assembly abuts and supports on both sides of the horizontal plane at the bottom of the mold body, thereby locking the rotation direction of the mold body.

2. The seat foaming molding equipment as described in claim 1, characterized in that: The linkage assembly includes a support base, a first linkage, and a second linkage. The support base is installed at the bottom of the frame. The first linkage is rotatably mounted on the support base via a first end. The first end of the second linkage is rotatably connected to the middle of the first linkage. The second end of the second linkage is rotatably connected to the drive end of the drive assembly. During foaming, the drive assembly is adapted to pull the second link to drive the first link to move, so that the first link rotates downward about the first end and folds and stores at the bottom of the frame; after foaming is completed, the drive assembly is adapted to push the second link to drive the first link to move in the opposite direction, so that the first link rotates upward about the first end to unfold, until the second end of the first link abuts and supports the bottom of the mold body.

3. The seat foaming molding equipment as described in claim 2, characterized in that: The support base includes a base body and a support sleeve. The support sleeve is installed at the bottom end of the frame. The base body is vertically and elastically slidably disposed inside the support sleeve. The first end of the first connecting rod is rotatably connected to the base body. After the foaming process is completed, the driving component is adapted to drive the first link to perform two processes via the second link; wherein, in the first process, the first link is adapted to rotate upward around the first end by a set angle and unfold, at which time the seat is adapted to remain stationary under the action of elasticity, and the second end of the first link is kept at a distance from the mold body; in the second process, the first link is adapted to drive the seat to move vertically upward synchronously until the second end of the first link abuts against and supports the bottom end of the mold body.

4. The seat foaming molding equipment as described in claim 3, characterized in that: During the second process, the second end of the first connecting rod is inserted into the bottom end of the mold body to lock the mold body in the horizontal direction.

5. The seat foaming molding equipment as described in claim 3, characterized in that: When the linkage assembly is in the folded storage state, the angle between the first linkage axis and the horizontal plane is 0°; when the linkage assembly is in the unfolded state, the angle between the first linkage axis and the horizontal plane is 90°.

6. The seat foaming molding equipment according to any one of claims 2-5, characterized in that: The drive assembly includes a bidirectional lead screw, a pair of moving parts, and a drive component. The bidirectional lead screw is horizontally rotatably mounted on the bottom end of the frame. The drive component is mounted on the frame and its output end is connected to the bidirectional lead screw. The moving parts are respectively connected to both sides of the bidirectional lead screw and are rotatably connected to the second end of the corresponding second connecting rod. Under the drive of the drive component, the bidirectional lead screw drives the moving parts to move relatively away from or closer to each other, thereby pushing or pulling the second connecting rod.

7. The seat foaming molding equipment as described in claim 6, characterized in that: The connecting rod assembly consists of four parts, which are arranged in a rectangular shape and provide support at the four corners of the bottom of the mold body.

8. The seat foaming molding equipment as described in claim 7, characterized in that: The bidirectional lead screw is installed at the middle of the bottom end of the frame. The four connecting rod assemblies are divided into two pairs and symmetrically arranged on both sides of the bidirectional lead screw. A track is installed between the two connecting rod assemblies of each pair at the bottom end of the frame. Two moving parts are symmetrically arranged on the bidirectional lead screw. Each moving part includes a threaded sleeve and a pair of sliders. The threaded sleeve is threaded into a single threaded section of the bidirectional lead screw. The sliders are slidably installed on the two tracks and fixedly connected to the threaded sleeves by a fixing rod. The second connecting rod is rotatably connected to the corresponding slider.

9. The seat foaming molding equipment as described in claim 1, characterized in that: The seat foaming molding equipment also includes a support assembly and a telescopic device. The support assembly includes an upper support and a lower support. The lower support is rotatably mounted on the frame and connected to the rotating device. The first end of the upper support is rotatably mounted on the first end of the lower support. The telescopic device is hinged between the upper support and the lower support. The mold body includes an upper mold and a lower mold. The upper mold is mounted on the upper support, and the lower mold is mounted on the lower support. The telescopic device is adapted to perform telescopic movements to drive the upper support to rotate around the lower support, so that the upper mold and the lower mold move away from or closer to each other, thereby realizing the automatic opening and closing of the mold body.

10. The seat foaming molding equipment as described in claim 9, characterized in that: The seat foaming molding equipment also includes a mold-locking device, which includes a first mold-locking assembly and a second mold-locking assembly; the first mold-locking assembly is installed at the first end of the lower support, and the second mold-locking assembly is installed at the second end of the lower support; When the mold body is opened, the first mold locking assembly is adapted to lock with the first end of the upper support, thereby locking the mold opening state of the upper mold; when the mold body is closed, the second mold locking assembly is adapted to lock with the second end of the upper support, thereby locking the mold closing state of the upper mold.

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