Pressure-resistant jacking device

Abstract

The utility model provides a pressure-resistant jacking device which comprises a machine table, a material carrying table is erected above the machine table through a guide buffering mechanism, a positioning mechanism is arranged on the material carrying table, a jacking mechanism is arranged on the machine table and is in driving connection with the material carrying table, a push-pull mechanism is arranged on the machine table, a lower pressure-resistant block is horizontally moved by the push-pull mechanism in a reciprocating mode, and an upper pressure-resistant block is fixedly arranged at the bottom of the material carrying table. And the upper pressure-resistant block presses the lower pressure-resistant block, so that the loading platform is erected at the jacking height. Separated jacking driving is combined with the bearing effect of the pressure-resistant block, so that a product can be strongly supported after reaching a preset height, the stability of subsequent machining is ensured, the machining precision is improved, the yield is increased, and economic benefits are guaranteed. And according to the actual lifting height, the corresponding height of the pressure-resistant block can be designed, so that the pressure-resistant block is replaced to meet different jacking requirements, multiple purposes are achieved, and the use flexibility and the use extensibility are enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a positioning tool, in particular to a pressure-resistant lifting device. Background Art

[0002] In the fully automated production process of modern industrial products, products need to be automatically transported, and during transport, the product's position often needs to be adjusted. Position adjustment specifically includes determining the product's height, horizontal orientation, and angular orientation. To determine the product's height, lifting equipment is required to lift the product to a certain height to facilitate subsequent precise processing.

[0003] Existing jacking equipment often suffers from large errors and poor precision in determining horizontal and angular orientation after lifting. Furthermore, jacking equipment lacks pressure resistance and stability. During pressurized processing at elevated height, the unstable jacking platform leads to large processing errors, an increase in defective products, and a negative impact on economic returns. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems in the existing technology and to propose a pressure-resistant lifting device.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a pressure-resistant lifting device, including a machine platform, a loading platform is set up above the machine platform through a guide buffer mechanism, a positioning mechanism is set up on the loading platform, a lifting mechanism is set up on the machine platform, the lifting mechanism is driven and connected to the loading platform, a push-pull mechanism is set up on the machine platform, the push-pull mechanism reciprocates the lower pressure-resistant block, an upper pressure-resistant block is fixed at the bottom of the loading platform, the upper pressure-resistant block presses the lower pressure-resistant block, so that the loading platform is set up at the lifting height.

[0006] In the above-mentioned pressure-resistant lifting device, the machine includes a rectangular table top, four legs are arranged at the bottom of the table top, an intermediate plate is fixed on the table top, adjustment support blocks are arranged at the four corners of the intermediate plate, and the guide buffer mechanism, the push-pull mechanism, and the lower pressure-resistant block are arranged on the intermediate plate.

[0007] In the above-mentioned pressure-resistant jacking device, the guide buffer mechanism includes a plurality of guide sleeves arranged on the table surface, the guide sleeve has a tubular cavity with two ends connected, an oil-free bushing is fixed on the inner wall of the guide sleeve, and a sliding guide rod is provided in the oil-free bushing. The guide rod passes through the top end of the guide sleeve and is fixedly connected to the loading platform through a buffer pad. The guide rod passes through the bottom end of the guide sleeve and is fixedly connected to the bottom plate. A buffer is installed on the bottom plate, and an anti-collision nut is installed on the top end of the buffer, and the anti-collision nut faces the bottom surface of the table surface.

[0008] In the above-mentioned pressure-resistant jacking device, the jacking mechanism includes a jacking cylinder installed under the table top, and jacking holes are opened on the table top and the middle plate. The jacking shaft of the jacking cylinder passes through the jacking hole from bottom to top to form free extension and contraction. A floating head seat is provided on the bottom wall of the loading platform, and a docking joint is fixed on the bottom of the floating head seat corresponding to the jacking shaft, and the docking joint and the jacking shaft are arranged to confront each other in an upper and lower manner.

[0009] In the above-mentioned pressure-resistant lifting device, the push-pull mechanism includes a mounting frame fixedly mounted at both ends of the intermediate plate, a push-pull cylinder fixedly mounted on the mounting frame, the push-pull cylinder is a horizontally telescopic push-pull shaft, the push-pull shaft is fixedly connected to the lower pressure-resistant block through a threaded rod, a base is fixedly mounted on the intermediate plate, a guide rail is fixedly mounted on the base, and the lower pressure-resistant block is embedded in the guide rail to form a sliding connection.

[0010] In the above-mentioned pressure-resistant jacking device, the positioning mechanism includes a bracket fixed on the bottom wall of the loading platform, a positioning cylinder is fixed on the bracket, a positioning shaft extends upward from the positioning cylinder, a positioning pin is fixed on the positioning shaft, and a corresponding support column is arranged on the loading platform, the support column has a column cavity with unobstructed ends, and the positioning pin passes through the column cavity from bottom to top to form a sliding connection.

[0011] In the above-mentioned pressure-resistant lifting device, a sensor pressing piece is provided on the outer wall of any of the support columns.

[0012] In the above-mentioned pressure-resistant jacking device, a proximity switch is provided on the outer wall of any of the support columns.

[0013] In the above-mentioned pressure-resistant jacking device, diamond pins and cylindrical pins are also provided on the top surface of the loading platform.

[0014] The operation mode of this pressure-resistant lifting device is:

[0015] Compared with the existing technology, this pressure-resistant lifting device has the following beneficial effects:

[0016] 1. Improve lifting stability: The use of separate lifting drive combined with the bearing function of the pressure-resistant block enables strong support after the product reaches the predetermined height, thereby ensuring the stability of subsequent processing, improving processing accuracy, increasing yield, and ensuring economic benefits.

[0017] 2. Increase lifting flexibility: According to the actual lifting height, the corresponding pressure block height can be designed, so that by replacing the pressure block to meet different lifting requirements, one machine can be used for multiple purposes, enhancing the flexibility and breadth of use.

[0018] 3. Guiding and Buffering: A guide rod slides within an oil-free bushing, combined with a buffer and anti-collision nut, effectively absorbing the impact of the loading platform during its ascent, reducing the risk of accidental collisions and vibrations. This ensures the stability and guidance of the loading platform during lifting, preventing vibrations from affecting operating accuracy and improving overall operational stability.

[0019] 4. Enhanced Safety: The positioning cylinder and positioning pin design ensures the loading platform is accurately positioned during operation, effectively preventing accidental sliding or misalignment. In addition, the sensor pressure piece and proximity switch can monitor the pressure and position of the product in real time, further improving safety.

[0020] In summary, this pressure-resistant lifting device, through its unique design and structural advantages, significantly improves machining accuracy, work efficiency, and safety, while also providing a good operating experience and convenient maintenance. These benefits will ensure that the device has strong competitiveness and application prospects in the market. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of this pressure-resistant jacking device Figure 1 .

[0022] Figure 2 The three-dimensional structure of this pressure-resistant jacking device Figure 2 .

[0023] Figure 3 This is the main structural diagram of the pressure-resistant jacking device.

[0024] Figure 4 This is a side structural diagram of the pressure-resistant jacking device.

[0025] In the figure, 1. table; 2. support legs; 3. middle plate; 4. adjustment support block; 5. guide sleeve; 6. guide rod; 7. buffer pad; 8. loading platform; 9. bottom plate; 10. buffer; 11. anti-collision nut; 12. lifting cylinder; 13. floating head seat; 14. docking joint; 15. mounting frame; 16. push-pull cylinder; 17. threaded rod; 18. lower pressure-resistant block; 19. base; 20. guide rail; 21. bracket; 22. positioning cylinder; 23. positioning pin; 24. support column; 25. sensor pressure piece; 26. proximity switch; 27. diamond pin; 28. cylindrical pin; 29. ​​upper pressure-resistant block. DETAILED DESCRIPTION

[0026] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0027] like Figures 1 to 4As shown, the pressure-resistant lifting device includes a machine platform, a loading platform 8 is set up above the machine platform through a guide buffer mechanism, a positioning mechanism is set on the loading platform 8, a lifting mechanism is set on the machine platform, the lifting mechanism drives and connects the loading platform 8, a push-pull mechanism is set on the machine platform, the push-pull mechanism reciprocates the lower pressure-resistant block 18, and an upper pressure-resistant block 29 is fixed at the bottom of the loading platform 8. The upper pressure-resistant block 29 presses the lower pressure-resistant block 18, so that the loading platform 8 is set at the lifting height.

[0028] Preferably, the machine comprises a rectangular tabletop 1, with four legs 2 disposed at the bottom. A middle plate 3 is fixed to the tabletop 1, with adjustable support blocks 4 disposed at the four corners of the middle plate 3. The guide and buffer mechanism, push-pull mechanism, and lower pressure-resistant block 18 are disposed on the middle plate 3. The space below the tabletop 1 and the four legs 2 forms the installation space. The middle plate 3 allows for the installation and fixation of multiple components.

[0029] Preferably, the guide buffer mechanism includes a plurality of guide sleeves 5 arranged on the table 1, the guide sleeve 5 has a tubular cavity with two ends connected, an oil-free bushing is fixed on the inner wall of the guide sleeve 5, and a guide rod 6 is slidably inserted into the oil-free bushing. The guide rod 6 passes through the top end of the guide sleeve 5 and is fixedly connected to the loading platform 8 through the buffer pad 7. The guide rod 6 passes through the bottom end of the guide sleeve 5 and is fixedly connected to the bottom plate 9. A buffer 10 is installed on the bottom plate 9, and an anti-collision nut 11 is installed on the top end of the buffer 10, and the anti-collision nut 11 faces the bottom surface of the table 1.

[0030] As the loading platform 8 is raised or lowered, it simultaneously drives the guide rod 6 to slide vertically within the guide sleeve 5 and the oil-free bushing, thereby providing guidance and stability during the lifting stroke. When the loading platform 8 reaches a certain height, the anti-collision nut 11 of the buffer 10 contacts the bottom wall of the table 1, providing elastic cushioning through the buffer 10, avoiding upward vibration and ensuring upward stability.

[0031] Preferably, the lifting mechanism includes a lifting cylinder 12 installed below the table 1, with lifting holes opened on the table 1 and the middle plate 3. The lifting shaft of the lifting cylinder 12 passes through the lifting holes from bottom to top to form free extension and contraction. A floating head seat 13 is provided on the bottom wall of the loading platform 8. A docking joint 14 is fixed to the bottom of the floating head seat 13 corresponding to the lifting shaft, and the docking joint 14 and the lifting shaft are arranged in an upper and lower confrontation. The lifting cylinder 12 is started to extend the lifting shaft until the lifting shaft contacts the docking joint 14 and then continues to lift, thereby realizing the lifting action of the entire loading platform 8. After the loading platform 8 is lifted to the desired height, the lifting cylinder 12 can retract the lifting shaft to separate the lifting shaft from the docking joint 14.

[0032] Preferably, the push-pull mechanism includes a mounting frame 15 fixed to both ends of the middle plate 3, with a push-pull cylinder 16 fixed to the mounting frame 15. The push-pull cylinder 16 is a horizontally retractable push-pull shaft, which is fixedly connected to a lower pressure-resistant block 18 via a threaded rod 17. A base 19 is fixed to the middle plate 3, a guide rail 20 is fixed to the base 19, and the lower pressure-resistant block 18 is embedded in the guide rail 20 to form a sliding connection. Activating the push-pull cylinder 16 drives the push-pull shaft to extend, pushing the lower pressure-resistant block 18 inward along the guide rail 20 to a pressure-resistant position; activating the push-pull cylinder 16 drives the push-pull shaft to retract, pulling the lower pressure-resistant block 18 outward along the guide rail 20 to its initial position.

[0033] Preferably, the positioning mechanism includes a bracket 21 fixed to the bottom wall of the loading platform 8, with a positioning cylinder 22 fixed to the bracket 21. The positioning cylinder 22 extends an upward positioning shaft, and a positioning pin 23 is fixed to the positioning shaft. A corresponding support column 24 is provided on the loading platform 8. The support column 24 has a column cavity with open ends. The positioning pin 23 passes through the column cavity from bottom to top to form a sliding connection. Activating the positioning cylinder 22 extends the positioning shaft, driving the positioning pin 23 to pass through the top of the support column 24; activating the positioning cylinder 22 retracts the positioning shaft, driving the positioning pin 23 to retract from the top of the support column 24.

[0034] Preferably, a sensor pressing piece 25 is provided on the outer wall of any supporting column 24. The sensor pressing piece 25 senses the pressure on the product.

[0035] Preferably, a proximity switch 26 is provided on the outer wall of any support column 24. The proximity switch 26 senses the accurate positioning of the product.

[0036] Preferably, a diamond pin 27 and a cylindrical pin 28 are further provided on the top surface of the loading platform 8 .

[0037] The operation mode of this pressure-resistant lifting device is:

[0038] Start the lifting cylinder 12 to extend the lifting shaft until the lifting shaft contacts the docking joint 14 and then continues to lift the workpiece on the loading platform 8. Start the positioning cylinder 22 to extend the positioning shaft, drive the positioning pins 23 to pass through the top of the support column 24, and position the workpiece through several positioning pins 23. Start the push-pull cylinder 16 to extend the push-pull shaft, push the lower pressure-resistant block 18 to move along the guide rail 20 to the pressure-resistant position, start the lifting cylinder 12 to retract the lifting shaft, and the upper pressure-resistant block 29 at the bottom of the loading platform 8 falls onto the lower pressure-resistant block 18, setting the loading platform 8 at the lifting height, improving the stability of the lifting state, and facilitating the accuracy of subsequent workpiece processing.

[0039] The specific embodiments described herein are merely examples of the spirit of the present invention. A person skilled in the art of the present invention may make various modifications or additions to the specific embodiments described or replace them in a similar manner, but will not deviate from the spirit of the present invention or exceed the defined scope. Although the present invention is described and described in detail in the drawings and the foregoing description, such illustrations and descriptions are considered to be illustrative or exemplary rather than restrictive. It should be understood that within the scope of the following claims, changes and modifications may be made by a person of ordinary skill. Specifically, the present invention covers additional embodiments having any combination of features from the different embodiments described above. Insofar as the expression "generally" or "substantially" is used, this patent application should be understood to disclose features and values ​​that are also fully satisfied, i.e., without the aforementioned characterization as "generally" or "substantially".

[0040] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. A pressure-resistant lifting device, comprising a machine platform, a loading platform is set up above the machine platform through a guide buffer mechanism, and a positioning mechanism is set on the loading platform, characterized in that: A lifting mechanism is provided on the machine platform, and the lifting mechanism drives and connects to the loading platform. A push-pull mechanism is provided on the machine platform, and the push-pull mechanism reciprocates and translates the lower pressure-resistant block. An upper pressure-resistant block is fixed at the bottom of the loading platform, and the upper pressure-resistant block presses the lower pressure-resistant block so that the loading platform is erected at the lifting height.

2. The pressure-resistant lifting device according to claim 1, characterized in that: The machine includes a rectangular table top, four legs are provided at the bottom of the table top, an intermediate plate is fixed on the table top, adjustment support blocks are provided at the four corners of the intermediate plate, and the guide buffer mechanism, the push-pull mechanism, and the lower pressure-resistant block are provided on the intermediate plate.

3. The pressure-resistant lifting device according to claim 2, characterized in that: The guide buffer mechanism includes a plurality of guide sleeves arranged on the table surface, the guide sleeves have a tubular cavity with two ends connected, an oil-free bushing is fixed on the inner wall of the guide sleeve, and a sliding guide rod is present in the oil-free bushing. The top end of the guide rod passes through the guide sleeve and is fixedly connected to the loading platform through a buffer pad. The bottom end of the guide rod passes through the guide sleeve and is fixedly connected to the bottom plate. A buffer is installed on the bottom plate, and an anti-collision nut is installed on the top end of the buffer, and the anti-collision nut faces the bottom surface of the table surface.

4. The pressure-resistant lifting device according to claim 2, characterized in that: The jacking mechanism includes a jacking cylinder installed under the table top, and jacking holes are opened on the table top and the middle plate. The jacking shaft of the jacking cylinder passes through the jacking hole from bottom to top to form free extension and contraction. A floating head seat is provided on the bottom wall of the loading platform, and a docking joint is fixed on the bottom of the floating head seat corresponding to the jacking shaft. The docking joint and the jacking shaft are arranged to confront each other in an upper and lower manner.

5. The pressure-resistant lifting device according to claim 2, characterized in that: The push-pull mechanism includes mounting brackets fixedly mounted at both ends of the middle plate, push-pull cylinders fixedly mounted on the mounting brackets, the push-pull cylinders forming a horizontally retractable push-pull shaft, the push-pull shaft being fixedly connected to a lower pressure-resistant block via a threaded rod, a base fixedly mounted on the middle plate, a guide rail fixedly mounted on the base, and the lower pressure-resistant block being embedded in the guide rails to form a sliding connection.

6. The pressure-resistant lifting device according to claim 1, characterized in that: The positioning mechanism includes a bracket fixed on the bottom wall of the loading platform, a positioning cylinder fixed on the bracket, a positioning shaft extending upward from the positioning cylinder, a positioning pin fixed on the positioning shaft, and a corresponding support column is arranged on the loading platform, the support column has a column cavity with unobstructed ends, and the positioning pin passes through the column cavity from bottom to top to form a sliding connection.

7. The pressure-resistant lifting device according to claim 6, characterized in that: A sensor pressing sheet is provided on the outer wall of any of the support columns.

8. The pressure-resistant lifting device according to claim 6, characterized in that: A proximity switch is provided on the outer wall of any one of the support columns.

9. The pressure-resistant lifting device according to claim 1, characterized in that: A diamond pin and a cylindrical pin are also provided on the top surface of the loading platform.

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