An elevator door panel processing equipment

Abstract

This utility model discloses an elevator door panel processing equipment, relating to the field of elevator door panel processing technology. It includes a frame, a base platform, an upper hydraulic assembly, a lower support assembly, a guide assembly, and auxiliary devices. The base platform is fixed to the bottom of the frame; the upper hydraulic assembly is installed on the top of the frame and includes a hydraulic cylinder, a piston rod, and a loading plate. The hydraulic cylinder drives the piston rod to move vertically by adjusting the hydraulic oil volume, and the end of the piston rod is connected to the loading plate; the lower support assembly is located on the base platform and includes a bearing plate and a support block detachably installed at its bottom; four sets of guide assemblies are symmetrically arranged at the four corners of the frame, each set including a guide rod and a guide sleeve that slide against each other. This utility model, by symmetrically arranging four sets of guide assemblies at the four corners of the frame and the sliding cooperation between the guide rod and the guide sleeve, ensures the accuracy of the vertical movement trajectory of the loading plate and eliminates the risk of eccentric deformation during the door panel stamping process.

Description

Technical Field

[0001] This utility model relates to the field of elevator door panel processing technology, specifically an elevator door panel processing equipment. Background Technology

[0002] With the accelerating trend towards lightweight elevator door panels, the proportion of high-strength aluminum alloy door panels has significantly increased. However, this type of material is prone to surface micro-cracks during stamping due to sudden changes in load. Traditional single-stage hydraulic equipment suffers from two major technical bottlenecks: Impact resistance defects: The single-buffer structure cannot effectively absorb the rebound energy of high-strength materials, leading to increased equipment vibration amplitude and an average lifespan of only 6 months for hydraulic cylinder seals; the crack rate in local stress concentration areas of the door panel is as high as 8.5%. Insufficient flexibility: Fixed stamping heads are difficult to adapt to various door panel sizes, with common door panel dimensions ranging from 300×1500mm to 1200×2500mm. Changing designs requires disassembly and reassembly, which is time-consuming; and the integrated support platform requires complete replacement after partial damage. Utility Model Content

[0003] This utility model provides an elevator door panel processing equipment that overcomes the shortcomings described in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] An elevator door panel processing device includes: a frame, a base platform, an upper hydraulic assembly, a lower support assembly, a guide assembly, and auxiliary devices. The base platform is fixed to the bottom of the frame. The upper hydraulic assembly is installed on the top of the frame and includes a hydraulic cylinder, a piston rod, and a loading plate. The hydraulic cylinder drives the piston rod to move vertically by adjusting the hydraulic oil volume, and the end of the piston rod is connected to the loading plate. The lower support assembly is located on the base platform and includes a bearing plate and a support block detachably installed at its bottom. There are four sets of guide assemblies symmetrically arranged at the four corners of the frame. Each set includes a guide rod and a guide sleeve that slide and cooperate with each other. The auxiliary devices include: an auxiliary rod, a primary cylinder, a secondary cylinder, a primary buffer assembly, and a secondary buffer assembly. The bottom end of the auxiliary rod is fixed to the piston plate. The primary cylinder and the piston plate are in sliding and sealed cooperation. The bottom of the secondary cylinder is connected to the primary cylinder. The primary buffer assembly is located inside the primary cylinder and includes a primary buffer plate and a primary spring supporting it. The secondary buffer assembly is located inside the secondary cylinder and includes a secondary buffer plate and a secondary spring supporting it. The upper hydraulic component and the lower support component form a door panel stamping space.

[0006] The frame, base, and four corner guide components form a rigid support system to ensure the alignment accuracy of the upper hydraulic components and the lower support components; the two-stage buffer auxiliary device works in conjunction with the hydraulic drive system to achieve step-by-step absorption of dynamic loads during the door panel stamping process, effectively suppressing equipment vibration and extending the life of key components.

[0007] A preferred technical solution: the chamber between the piston plate and the first-stage buffer plate is filled with hydraulic oil, the chamber between the first-stage buffer plate and the second-stage buffer plate is filled with hydraulic oil, and the first-stage spring is completely immersed in the hydraulic oil in the chamber.

[0008] Hydraulic oil is filled between the piston plate and the first-stage buffer plate to form a primary damping layer. Combined with a fully submerged first-stage spring, the instantaneous impact load is reduced by more than 30% through the dual energy dissipation of oil compression and spring deformation in the initial stage of stamping, thus preventing micro-cracks from forming on the door panel surface due to sudden stress changes.

[0009] A preferred technical solution: the chamber below the secondary buffer plate is filled with hydraulic oil, and at least 50% of the volume of the secondary spring is immersed in the hydraulic oil in the chamber.

[0010] The chamber below the secondary buffer plate is filled with hydraulic oil and covers more than 50% of the spring volume, forming a secondary hydraulic-elastic composite buffer: when the primary buffer reaches the stroke limit, the oil in the secondary cylinder further slows down the downward speed through viscous resistance, and the partial immersion design of the spring can prevent resonance and ensure a smooth termination of the stamping process.

[0011] A preferred technical solution: Several adjustment slots are formed at the top of the loading plate, a reinforcing frame is provided at the end of the piston rod, and a connector is provided at the bottom of the reinforcing frame to engage with the adjustment slots. Horizontal displacement of the loading plate is achieved by adjusting the position of the connector within the adjustment slots. The shape of the connector is adapted to the adjustment slots.

[0012] The snap-fit ​​structure between the adjustable slot and the connector allows the load plate to be finely adjusted within ±10cm in the horizontal plane, adapting to the local reinforcement processing needs of door panels of different sizes without disassembly; the reinforcing frame significantly disperses stress, preventing concentrated loads from causing deformation of the load plate.

[0013] A preferred technical solution: The bottom of the support plate is provided with nested shells arranged in an array, and adjacent nested shells are separated by spacers.

[0014] The spacer blocks provide lateral support stiffness and form heat dissipation channels, reducing the risk of thermal deformation of the bearing plate caused by long-term stamping. During maintenance, damaged areas can be replaced locally.

[0015] A preferred technical solution: A positioning block is provided on the top of the support block, which is inserted and matched with the positioning port on the inner wall of the nested shell.

[0016] By adopting the above technical solution, the beneficial effects of this utility model are:

[0017] 1. This utility model ensures the accuracy of the vertical movement trajectory of the loading plate by symmetrically arranging four sets of guide components at the four corners of the frame and slidingly engaging the guide rod and guide sleeve, thereby eliminating the risk of eccentric deformation during the door panel stamping process.

[0018] 2. The auxiliary device in this utility model adopts multi-stage hydraulic buffer, which absorbs more than 90% of the impact energy of the impact in a stepwise manner, reduces the vibration amplitude of the equipment, and extends the service life of the hydraulic cylinder.

[0019] 3. The loading plate in this utility model can be adjusted horizontally by adjusting the groove and the butt joint, which can be adjusted to adapt to the processing of more specifications of door panels. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0023] Figure 3 This is a schematic diagram of the auxiliary device;

[0024] Figure 4 This is a schematic diagram of the structure in which the bottom end of the bearing plate mates with the supporting block;

[0025] Figure 5 for Figure 2 A magnified view of a portion of point A in the middle.

[0026] Explanation of key figure labels:

[0027] 1. Frame; 2. Base platform; 3. Upper hydraulic assembly; 31. Hydraulic cylinder; 32. Piston rod; 33. Loading plate; 331. Adjustment slot; 4. Lower support assembly; 41. Bearing plate; 411. Nested shell; 412. Spacer block; 42. Support block; 43. Positioning block; 44. Positioning port; 5. Guide assembly; 51. Guide rod; 52. Guide sleeve; 6. Auxiliary device; 61. Auxiliary rod; 611. Piston plate; 62. Primary cylinder; 63. Secondary cylinder; 64. Primary buffer assembly; 641. Primary buffer plate; 642. Primary spring; 65. Secondary buffer assembly; 651. Secondary buffer plate; 652. Secondary spring; 7. Reinforcing frame. Detailed Implementation

[0028] like Figures 1-5As shown, an elevator door panel processing equipment includes a frame 1, a base platform 2, an upper hydraulic assembly 3, a lower support assembly 4, a guide assembly 5, and auxiliary devices 6. The base platform 2 is fixed to the bottom of the frame 1. The upper hydraulic assembly 3 is installed on the top of the frame 1 and includes a hydraulic cylinder 31, a piston rod 32, and a loading plate 33. The hydraulic cylinder 31 drives the piston rod 32 to move vertically by adjusting the hydraulic oil volume, and the end of the piston rod 32 is connected to the loading plate 33. The lower support assembly 4 is located on the base platform 2 and includes a bearing plate 41 and a support block 42 detachably installed at its bottom. There are four sets of guide assemblies 5, symmetrically arranged at the four corners of the frame 1. Each set includes a... The guide rod 51 and guide sleeve 52 are mutually slidingly engaged; the auxiliary device 6 includes: an auxiliary rod 61, a primary cylinder 62, a secondary cylinder 63, a primary buffer assembly 64, and a secondary buffer assembly 65. The bottom end of the auxiliary rod 61 is fixedly connected to a piston plate 611. The primary cylinder 62 and piston plate 611 are in a sliding sealing fit. The secondary cylinder 63 is connected to the bottom of the primary cylinder 62. The primary buffer assembly 64 is located inside the primary cylinder 62 and includes a primary buffer plate 641 and a primary spring 642 supporting it. The secondary buffer assembly 65 is located inside the secondary cylinder 63 and includes a secondary buffer plate 651 and a secondary spring 652 supporting it. A door panel stamping space is formed between the upper hydraulic assembly 3 and the lower support assembly 4.

[0029] The frame 1, the base 2, and the four corner guide components 5 form a rigid support system to ensure the alignment accuracy of the upper hydraulic component 3 and the lower support component 4; the two-stage buffer auxiliary device 6 works in conjunction with the hydraulic drive system to achieve step-by-step absorption of dynamic loads during the door panel stamping process, effectively suppressing equipment vibration and extending the life of key components.

[0030] Furthermore, the chamber between the piston plate 611 and the first-stage buffer plate 641 is filled with hydraulic oil, the chamber between the first-stage buffer plate 641 and the second-stage buffer plate 651 is filled with hydraulic oil, and the first-stage spring 642 is completely immersed in the hydraulic oil in the chamber.

[0031] Hydraulic oil is filled between the piston plate 611 and the first-stage buffer plate 641 to form a primary damping layer. Combined with the fully submerged first-stage spring 642, the instantaneous impact load is reduced by more than 30% through the dual energy dissipation of oil compression and spring deformation in the initial stage of stamping, thus avoiding micro-cracks on the door panel surface caused by sudden stress changes.

[0032] Furthermore, the chamber below the secondary buffer plate 651 is filled with hydraulic oil, and at least 50% of the volume of the secondary spring 652 is immersed in the hydraulic oil in the chamber.

[0033] The lower chamber of the secondary buffer plate 651 is filled with hydraulic oil and covers more than 50% of the spring volume, forming a secondary hydraulic-elastic composite buffer: when the primary buffer reaches the stroke limit, the oil in the secondary cylinder 63 further slows down the downward speed through viscous resistance, and the partial immersion design of the spring can prevent resonance and ensure that the stamping process is terminated smoothly.

[0034] Furthermore, the top of the loading plate 33 is provided with several adjustment slots 331, and the end of the piston rod 32 is provided with a reinforcing frame 7. The bottom of the reinforcing frame 7 is provided with a connector that engages with the adjustment slots 331. The horizontal displacement of the loading plate 33 is achieved by adjusting the position of the connector within the adjustment slots 331.

[0035] The snap-fit ​​structure between the adjusting slot 331 and the connector allows the load plate 33 to be finely adjusted within ±10cm in the horizontal plane, adapting to the local reinforcement processing needs of door panels of different sizes without disassembly; the reinforcing frame 7 significantly disperses stress, avoiding deformation of the load plate 33 due to concentrated load.

[0036] Furthermore, the bottom of the support plate 41 is provided with nested shells 411 arranged in an array, and adjacent nested shells 411 are separated by spacers 412.

[0037] The spacer block 412 provides lateral support stiffness and forms a heat dissipation channel, reducing the risk of thermal deformation of the bearing plate 41 caused by long-term stamping. During maintenance, the damaged area can be replaced locally.

[0038] Furthermore, a positioning block 43 is provided on the top of the supporting block 42, which is inserted and engaged with the positioning port 44 on the inner wall of the nested shell 411.

[0039] Example 1

[0040] like Figures 1-5As shown, this embodiment provides an elevator door panel processing equipment, which includes a frame 1 and a base platform 2: the bottom of the rectangular frame 1 is welded and fixed to the base platform 2, forming the basic support structure of the equipment; the upper hydraulic assembly 3: the hydraulic cylinder 31 is vertically installed at the top center of the frame 1, and the end of its piston rod 32 is connected to the loading plate 33 through a flange; the hydraulic station supplies oil to the hydraulic cylinder 31 through an oil pipe, driving the piston rod 32 to drive the loading plate 33 to move vertically; the lower support assembly 4: the bearing plate 41 is horizontally fixed on the upper surface of the base platform 2, and an array of mounting positions is opened at its bottom, and the support block 42 is detachably connected to the bottom of the bearing plate 41 by bolts; the guide assembly 5: four sets of guide sleeves 52 are welded to the four corners of the frame 1, and the upper end of the guide rod 51 Fixed at the four corners of the loading plate 33, the lower end is inserted into the guide sleeve 52 to form a sliding pair, restricting the loading plate 33 to move only in the vertical direction; Auxiliary device 6: The upper end of the auxiliary rod 61 is fixed to the edge of the loading plate 33, and the lower end is connected to the piston plate 611; The piston plate 611 slides and seals with the inner wall of the first-stage cylinder 62; The bottom of the first-stage cylinder 62 is connected to the second-stage cylinder 63 through a connecting pipe; The first-stage cylinder 62 is equipped with a first-stage buffer plate 641, and a first-stage spring 642 is welded under the plate to support the bottom of the cylinder; The second-stage cylinder 63 is equipped with a second-stage buffer plate 651, and a second-stage spring 652 is welded under the plate to support the bottom of the cylinder; Stamping space: A door panel placement area (height adjustable from about 200-500mm) is formed between the lower surface of the loading plate 33 and the upper surface of the support block 42.

[0041] When filling the hydraulic oil in the buffer system, hydraulic oil is injected into the first-stage cylinder 62. The first oil layer fills the cavity between the piston plate 611 and the first-stage buffer plate 641; the second oil layer fills the cavity between the first-stage buffer plate 641 and the second-stage buffer plate 651, with the oil level covering the first-stage spring 642; the third oil layer fills the cavity below the second-stage buffer plate 651, with the oil level reaching 60% of the height of the second-stage spring 652. Functions: The first oil layer dissipates energy through viscous resistance during the initial stamping stage; the second oil layer achieves main buffering with the assistance of the fully immersed spring; the third oil layer suppresses rebound at the end of the stroke. When adjusting the position of the loading plate 33, three parallel T-shaped adjustment slots 331 (20mm wide) are machined on the top surface of the loading plate 33; a cylindrical butt joint is welded to the bottom of the reinforcing frame 7 at the end of the piston rod 32, and fixed by a locking nut after being embedded in the adjustment slots 331. Functions: After loosening the locking nut, the loading plate 33 can be adjusted horizontally by sliding along the slots to adapt to the stamping requirements of local reinforcing ribs in the door panel. When the support block 42 is installed in a modular manner, a square nested shell 411 is welded to the bottom surface of the support plate 41, and a spacer block 412 is welded between adjacent nested shells 411; a columnar positioning block 43 protrudes from the top surface of the support block 42, and a matching positioning port 44 is opened on the inner wall of the nested shell 411; function: the positioning block 43 is inserted into the positioning port 44 to achieve self-centering, and the spacer block 412 not only enhances the rigidity of the support plate 41, but also forms an airflow channel to promote heat dissipation.

[0042] Working process: Place the elevator door panel on the upper surface of the support plate, and adjust the horizontal position of the loading plate 33 according to the door panel size (the moving joint is positioned within the adjusting slot 331); the hydraulic cylinder 31 drives the loading plate 33 to press down the door panel, and the auxiliary rod 61 simultaneously pushes the piston plate 611 to compress the oil in the first-stage cylinder 62; when the first-stage buffer plate 641 moves down to compress the first-stage spring 642, the oil enters the second-stage cylinder 63 through the connecting pipe to push the second-stage buffer plate 651; after the stamping is completed, the hydraulic cylinder 31 returns, the two-stage springs push the buffer plates to reset, and the oil flows back to the first-stage cylinder 62. For the specific structure of the reinforcing frame 7, refer to... Figure 2 It can be understood as a composite structure. The side end of the reinforcing frame 7 is fixedly connected to the auxiliary rod 61 by screws. That is, when the driving piston rod 32 drives the loading plate 33 to move vertically, the reinforcing frame 7 and the loading plate 33 are a whole. At this time, the auxiliary rod 61 will also move synchronously.

[0043] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. An elevator door panel processing apparatus characterized by comprising: include: frame; The base is fixed to the bottom of the frame; The upper hydraulic assembly is installed on the top of the frame and includes a hydraulic cylinder, a piston rod, and a loading plate. The hydraulic cylinder drives the piston rod to move vertically by adjusting the amount of hydraulic oil, and the end of the piston rod is connected to the loading plate. The lower support assembly, located on the base platform, includes a support plate and a support block that can be detachably installed at its bottom; The guide assembly consists of four groups, symmetrically arranged at the four corners of the frame. Each group includes a guide rod and a guide sleeve that slide and engage with each other. Auxiliary device, including: The auxiliary rod is fixed to the piston plate at its bottom. The first-stage cylinder has a sliding seal with the piston plate; The second-stage cylinder is connected to the bottom of the first-stage cylinder. The primary buffer assembly, located inside the primary cylinder, includes a primary buffer plate and a primary spring supporting it. The secondary buffer assembly, located inside the secondary cylinder, includes a secondary buffer plate and a secondary spring supporting it; The upper hydraulic component and the lower support component form a door panel stamping space.

2. The elevator door panel processing equipment according to claim 1, characterized in that, The chamber between the piston plate and the first-stage buffer plate is filled with hydraulic oil, and the chamber between the first-stage buffer plate and the second-stage buffer plate is filled with hydraulic oil, with the first-stage spring completely submerged in the hydraulic oil in the chamber.

3. The elevator door panel processing equipment according to claim 2, characterized in that, The chamber below the secondary buffer plate is filled with hydraulic oil, and at least 50% of the volume of the secondary spring is immersed in the hydraulic oil in the chamber.

4. The elevator door panel processing equipment according to claim 3, characterized in that, The top of the loading plate has several adjustment slots, and the end of the piston rod is provided with a reinforcing frame. The bottom of the reinforcing frame is provided with a connector that engages with the adjustment slots. The horizontal displacement of the loading plate is achieved by adjusting the position of the connector within the adjustment slots.

5. The elevator door panel processing equipment according to claim 4, characterized in that, The bottom of the support plate is provided with nested shells arranged in an array, and adjacent nested shells are separated by spacers.

6. The elevator door panel processing equipment according to claim 5, characterized in that, A positioning block is provided on the top of the support block, which is inserted into the positioning port on the inner wall of the nested shell.

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