Turntable force-reducing jacking mechanism

Abstract

A sliding seat is arranged in the middle of a fixed seat, a sliding hole is formed in the middle of the sliding seat in the width direction of the sliding seat, a missing part is concavely arranged at the top of the sliding seat, and the bottom of the missing part is connected with the hole edge of the sliding hole. The driving piece is arranged on one side of the sliding base, and the output end of the driving piece is fixedly connected with the sliding base. And the worm can relatively slide along the height direction of the fixed seat. The pulley is arranged at one end of the worm close to the sliding seat, and the circumferential surface of the pulley is slidably connected with the inner wall of the sliding hole. And the upper surface of the top tray is always horizontal. Through the design of the pulleys and the sliding holes, friction force is converted into rolling friction, and driving force and energy consumption are reduced. The sliding of the worm and the movement of the sliding seat ensure that the lifting process of the top tray is stable. And the top tray is always kept horizontal, so that the edge and the bottom of the supported part are uniformly stressed, and damage and safety accidents caused by inclination or shaking are prevented. And the lifting operation of the top tray is flexible and controllable through the reverse movement of the driving piece, and different working requirements are met.

Description

Technical Field

[0001] This application relates to the technical field of mechanical equipment, and particularly to a rotary table force-reducing jacking mechanism. Background Art

[0002] In mechanical automation operation scenarios, production lines, automatic loading, unloading, assembly, and inspection operation scenarios, such as rapid access and handling of goods in a warehouse, and lifting raw materials or semi-finished products to processing equipment for processing on a food production line, a rotary table is used in this process.

[0003] When an article is carried on the rotary table, the press will displace downward from above and squeeze the article and the rotary table. Since the placement position of the article on the rotary table is not at the center of the rotary table, the force on the edge of the rotary table is greater than the force on its center at this time, making the edge of the rotary table vulnerable to damage.

[0004] Therefore, there is an urgent need for a jacking mechanism to solve the above problems. Utility Model Content

[0005] By providing a rotary table force-reducing jacking mechanism in the embodiments of this application, it aims to ensure the stable force on the rotary table while ensuring the structural integrity of the rotary table.

[0006] To achieve the above object, this application provides the following technical solutions:

[0007] A rotary table force-reducing jacking mechanism includes a fixed seat, a sliding seat, a driving member, a pulley, a worm, and a top plate;

[0008] The bottom of the fixed seat with a rectangular frame structure is fixedly connected to the foundation;

[0009] The sliding seat is slidably arranged in the middle of the fixed seat. A sliding hole is formed in the middle of the sliding seat along its width direction. A missing part is recessed at the top of the sliding seat, and the bottom of the missing part is connected to the edge of the sliding hole;

[0010] The driving member is arranged on the side of the sliding seat away from the fixed seat, and its output end is fixedly connected to the corresponding side surface of the sliding seat, and is used to drive the sliding seat to slide back and forth along the width direction of the fixed seat;

[0011] The worm is arranged in the middle of the fixed seat, and the worm can slide relatively along the height direction of the fixed seat;

[0012] The pulley is rotatably arranged at one end of the worm close to the sliding seat, and the circumferential surface of the pulley is slidably connected to the inner wall of the sliding hole;

[0013] The top plate is fixedly arranged at the top of the worm, and the upper surface of the top plate is in a horizontal state.

[0014] Further, the sliding hole includes a first section and a last section;

[0015] The first section is arranged on one side of the sliding seat close to the driving member, and the tail section is connected to one end of the first section far from the driving member;

[0016] Under the plumb projection, the first section and the tail section are arranged with a height offset, and the connection between the first section and the tail section is an inclined plane.

[0017] Furthermore, there are two pulleys, and the two pulleys are symmetrically and rotatably arranged at one end of the worm close to the sliding seat, and the peripheral surface of each pulley is slidably connected to the inner wall of the sliding hole.

[0018] Furthermore, a limiting block is arranged between the fixed seat and the sliding seat. The two limiting blocks are symmetrically arranged on both sides in the width direction of the sliding seat, and the inner side surface of the limiting block is slidably connected to the outer side surface of the sliding seat.

[0019] Furthermore, a sleeve is vertically and fixedly arranged at the bottom of the fixed seat. The sleeve is sleeved on one end of the worm far from the sliding seat, and the inner wall of the sleeve is slidably connected to the peripheral surface of the worm.

[0020] Furthermore, the sleeve as a whole has a T-shaped structure, and the bottom end surface of its wide diameter section abuts against the top end surface of the fixed seat.

[0021] Furthermore, a baffle is arranged on one side of the fixed seat far from the output end of the driving member, and the longitudinal sectional area of the baffle is larger than the longitudinal sectional area of the sliding seat.

[0022] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects:

[0023] In this application, the design of the pulley and the sliding hole converts friction into rolling friction, reduces the driving force and energy consumption, and improves the overall efficiency of the system. The sliding of the worm and the movement of the sliding seat ensure the smooth lifting process of the top plate, avoid violent vibrations, and reduce the risk of equipment damage. The top plate always remains horizontal, ensuring uniform stress on the edge and bottom of the supported member, and preventing damage and safety accidents caused by tilting or shaking. The reverse movement of the driving member makes the lifting operation of the top plate flexible and controllable, meeting different working requirements. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for describing the embodiments of the present utility model or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic three-dimensional structure diagram provided for the embodiments of this application;

[0026] Figure 2Schematic diagram of the structure in sectional view provided by the embodiment of the present application;

[0027] Figure 3 Schematic diagram of the structure in the state of removing the top plate and the fixing seat provided by the embodiment of the present application;

[0028] Figure 4 Schematic diagram of the structure of the sliding seat provided by the embodiment of the present application.

[0029] Icons: 10 - fixing seat; 11 - limiting block; 20 - sliding seat; 21 - sliding hole; 211 - first section; 212 - tail section; 22 - baffle; 30 - worm; 31 - pulley; 32 - sleeve; 33 - top plate; 40 - driving member. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. The terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "mounted", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific situations.

[0032] Such as Figures 1 - 4As shown in the figure, a turntable force-reducing jacking mechanism includes a fixed seat 10, a sliding seat 20, a driving member 40, a pulley 31, a worm 30 and a top plate 33; the bottom of the fixed seat 10 with a rectangular frame structure is fixedly connected to the foundation; the sliding seat 20 is slidably arranged in the middle of the fixed seat 10, a sliding hole 21 is opened in the middle of the sliding seat 20 along its width direction, a missing part is recessed at the top of the sliding seat 20, and the bottom of the missing part is connected to the edge of the sliding hole 21; the driving member 40 is arranged on the side of the sliding seat 20 away from the fixed seat 10, and its output end is fixedly connected to the corresponding side surface of the sliding seat 20, and is used to drive the sliding seat 20 to slide back and forth along the width direction of the fixed seat 10; the worm 30 is arranged in the middle of the fixed seat 10, and the worm 30 can slide relatively along the height direction of the fixed seat 10; the pulley 31 is rotatably arranged at one end of the worm 30 close to the sliding seat 20, and the peripheral surface of the pulley 31 is slidably connected to the inner wall of the sliding hole 21; the top plate 33 is fixedly arranged at the top end of the worm 30, and the upper surface of the top plate 33 is in a horizontal state.

[0033] In the above solution, it should be noted that the jacking mechanism provided in this application is a turntable that supports and bears materials to ensure the stability of the overall structure of the turntable. In the initial state, the sliding seat 20 is located in the middle of the fixed seat 10, and the pulley 31 is in contact with the inner wall of the sliding hole 21 but there is no relative sliding. The worm 30 is slidably arranged along the height direction of the fixed seat 10, the top plate 33 is fixed at the top end of the worm 30, and its upper surface is kept horizontal. When it is necessary to jack up the top plate 33, the driving member 40 is started, and its output end is fixedly connected to the corresponding side surface of the sliding seat 20. Therefore, the driving member 40 will drive the sliding seat 20 to slide along the width direction of the fixed seat 10. As the sliding seat 20 moves, the pulley 31 and the inner wall of the sliding hole 21 have relative sliding. Since the pulley 31 is rotating, it is converted into the sliding of the worm 30 along the height direction of the fixed seat 10. As the worm 30 slides along the height direction of the fixed seat 10, the top plate 33 fixed at the top end of the worm 30 also rises. When it is necessary to lower the top plate 33, the driving member 40 moves in the reverse direction, driving the sliding seat 20 to slide in the reverse direction along the width direction of the fixed seat 10. Similarly, through the interaction between the pulley 31 and the sliding hole 21, the worm 30 descends along the height direction of the fixed seat 10, thereby driving the top plate 33 to descend. Among them, the sliding connection between the pulley 31 and the sliding hole 21 converts the direct jacking friction and resistance into the rolling friction of the pulley 31 rotating, reducing the required driving force and energy consumption. The upper surface of the top plate 33 always remains horizontal, so that the edge and / or the bottom of the disc body of the supported member (the turntable in this application) are stressed, avoiding damage to items or safety accidents caused by tilting or shaking.

[0034] Implementable, the worm 30 in the present application has an overall T-shaped structure, and its shoulder is rotatably connected to the pulley 31; the overall structure of the worm 30 in the present application can also be a straight rod, with a rotating shaft arranged at one end along its radial direction, and the pulley 31 is fixedly connected to the rotating shaft, so that when the pulley 31 slides on the sliding seat 20, it drives the worm 30 to displace up and down in the axial direction.

[0035] Implementable, the driving member 40 in the present application can be a motor or a cylinder, and its function is to drive the sliding seat 20 to slide back and forth in the width direction of the fixed seat 10. Preferably, the driving member 40 in the present application is a telescopic cylinder, and its output end is fixedly connected to one end face of the sliding seat 20.

[0036] The sliding hole 21 includes a first section 211 and a second section 212; the first section 211 is arranged on the side of the sliding seat 20 close to the driving member 40, and the second section 212 is connected to one end of the first section 211 away from the driving member 40; in the vertical projection, the first section 211 and the second section 212 are arranged at different heights, and the connection between the first section 211 and the second section 212 is a slope.

[0037] In the above solution, the first section 211 and the second section 212 are arranged at different heights in the vertical projection, which can enable the sliding seat 20 to bear the lateral force or vibration from the top plate 33, so as to enhance the structural stability of the sliding seat 20 and the sliding hole 21. The setting of the slope can reduce the direct impact and friction between the pulley 31 and the wall of the sliding hole 21 when the pulley 31 slides from the second section 212 to the first section 211 or from the first section 211 to the second section 212, thereby reducing wear and extending the service life.

[0038] There are two pulleys 31, and the two pulleys 31 are symmetrically and rotatably arranged at one end of the worm 30 close to the sliding seat 20, and the peripheral surface of each pulley 31 is in sliding connection with the inner wall of the sliding hole 21.

[0039] In the above solution, the two pulleys 31 are symmetrically arranged at one end of the worm 30, and they are each in contact with and slide on the inner wall of the sliding hole 21, so that the forces received by the worm 30 during the movement are more evenly distributed on the two pulleys 31. This can not only more effectively absorb and disperse the vibration energy, reduce the generation of noise and vibration, but also reduce the local stress borne by a single pulley 31, and improve the stability and durability of the overall structure.

[0040] A limiting block 11 is arranged between the fixed seat 10 and the sliding seat 20. The two limiting blocks 11 are symmetrically arranged on both sides of the sliding seat 20 in the width direction, and the inner side surface of the limiting block 11 is in sliding connection with the outer side surface of the sliding seat 20.

[0041] In the above solution, the setting of the limit block 11 ensures that the slide block 20 will not deviate laterally or shake due to external forces during movement, thus significantly improving the stability and reliability of the entire structure. In addition, the setting of the limit block 11 also ensures that the slide block 20 always moves in a straight line during movement, reducing friction and wear caused by deviation, and at the same time improving the smoothness and accuracy of sliding.

[0042] A sleeve 32 is vertically fixed at the bottom of the fixed seat 10. The sleeve 32 is sleeved on one end of the worm 30 away from the slide block 20, and the inner wall of the sleeve 32 is slidably connected to the circumferential surface of the worm 30.

[0043] In the above solution, the sleeve 32 provides a stable support structure for the worm 30, enabling it to rotate smoothly below the fixed seat 10. At the same time, the sliding connection between the inner wall of the sleeve 32 and the outer wall of the worm 30 ensures the linearity and stability of the worm 30 during rotation, reducing friction and wear caused by deviation or shaking. The fixed connection between the sleeve 32 and the fixed seat 10 also reduces the noise generated by vibration and improves the overall operation quality of the equipment.

[0044] The sleeve 32 is integrally in a T-shaped structure, and the bottom end face of its wide diameter section abuts against the top end face of the fixed seat 10.

[0045] In the above solution, the design of the T-shaped structure makes the installation of the sleeve 32 on the fixed seat 10 more stable. The abutment of the large diameter section against the top end face of the fixed seat 10 provides a larger contact area, increasing the structural stability and reducing loosening or displacement caused by vibration or external forces. The wide diameter section, as the main load-bearing part of the sleeve 32, the close contact between its bottom end face and the top end face of the fixed seat 10 is conducive to the effective transmission of force. During the rotation of the worm 30, the generated force can be evenly transmitted to the fixed seat 10 through the large diameter section of the sleeve 32, thus reducing the risk of damage caused by stress concentration. Since the wide diameter section of the sleeve 32 abuts against the top end face of the fixed seat 10, this reduces to a certain extent the lateral force borne by the narrow diameter section of the sleeve 32 (i.e., the part in contact with the worm 30). The design of the T-shaped structure also simplifies the installation and positioning process of the sleeve 32. During installation, only ensure that the two are in close contact to achieve the accurate positioning of the sleeve 32. This reduces the adjustment workload during installation and improves the installation efficiency and accuracy

[0046] A baffle 22 is provided on one side of the fixed seat 10 away from the output end of the driving member 40. The longitudinal sectional area of the baffle 22 is larger than the longitudinal sectional area of the slide block 20.

[0047] In the above solution, the baffle 22 is provided to prevent the sliding seat 20 from falling off the fixed seat 10 when it is subjected to accidental impacts or vibrations. Moreover, since the longitudinal cross-sectional area of the baffle 22 is larger than that of the sliding seat 20, it can effectively block the sliding seat 20 in multiple directions, ensuring that the sliding seat 20 moves within the predetermined track without detaching from the fixed seat 10. The setting of the baffle 22 also ensures the structural safety of the turntable force-reducing lifting mechanism. Even under extreme working conditions, such as sudden power failure, failure of the driving member 40, etc., the baffle 22 can prevent the sliding seat 20 and its connected components from flying out due to inertia or causing other damages.

[0048] The various embodiments in this specification are described in a progressive manner. For the same or similar parts among the various embodiments, reference can be made to each other. The key points of each embodiment are the differences from other embodiments.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the present application.

Claims

1. A turntable force reduction jacking mechanism, characterized in that: It comprises a fixed seat (10), a sliding seat (20), a driving member (40), a pulley (31), a worm (30) and a top plate (33); The bottom of the fixing seat (10) of the U-shaped structure is fixedly connected to the foundation; The sliding seat (20) is slidably arranged in the middle of the fixed seat (10), a sliding hole (21) is opened in the middle of the sliding seat (20) along its width direction, a missing portion is recessed at the top of the sliding seat (20), and the bottom of the missing portion is connected to the hole edge of the sliding hole (21); The driving member (40) is arranged on a side of the slide seat (20) away from the fixed seat (10), and its output end is fixedly connected to the corresponding side surface of the slide seat (20), and is used to drive the slide seat (20) to slide back and forth along the width direction of the fixed seat (10); The worm (30) is arranged in the middle of the fixing seat (10), and the worm (30) can slide relatively along the height direction of the fixing seat (10); The pulley (31) is rotatably arranged at one end of the worm (30) close to the slide seat (20), and the circumference of the pulley (31) is slidably connected to the inner wall of the slide hole (21); The top plate (33) is fixedly arranged on the top end of the worm (30), and the upper surface of the top plate (33) is in a horizontal state.

2. The turntable force reduction and lifting mechanism according to claim 1, characterized in that: The sliding hole (21) comprises a first section (211) and a tail section (212); The first section (211) is arranged on a side of the slide seat (20) close to the driving member (40), and the tail section (212) is connected to an end of the first section (211) away from the driving member (40); Under plumb projection, the first section (211) and the tail section (212) are arranged in a staggered manner, and the connection between the first section (211) and the tail section (212) is an inclined surface.

3. The turntable force reduction and lifting mechanism according to claim 1, characterized in that: There are two pulleys (31), which are symmetrically rotatably arranged at one end of the worm (30) close to the slide seat (20), and the circumference of each pulley (31) is slidably connected to the inner wall of the slide hole (21).

4. The turntable force reduction and lifting mechanism according to claim 1, characterized in that: A limit block (11) is arranged between the fixed seat (10) and the sliding seat (20), and the two limit blocks (11) are symmetrically arranged on both sides of the width direction of the sliding seat (20), and the inner side surface of the limit block (11) is slidably connected to the outer side surface of the sliding seat (20).

5. The turntable force reduction and lifting mechanism according to claim 1, characterized in that: A sleeve (32) is vertically fixedly arranged at the bottom of the fixed seat (10), and the sleeve (32) is sleeved on an end of the worm (30) away from the sliding seat (20), and the inner wall of the sleeve (32) is slidably connected to the peripheral surface of the worm (30).

6. The turntable force reduction and lifting mechanism according to claim 5, characterized in that: The sleeve (32) is in a T-shaped structure as a whole, and the bottom end surface of the wide diameter section thereof abuts against the top end surface of the fixing seat (10).

7. The turntable force reduction and lifting mechanism according to claim 1, characterized in that: A baffle (22) is provided on one side of the fixed seat (10) away from the output end of the driving member (40), and the longitudinal cross-sectional area of ​​the baffle (22) is larger than the longitudinal cross-sectional area of ​​the sliding seat (20).

Images