Device integrating tray lifting and high-precision positioning

Abstract

The utility model discloses a device integrating tray lifting and high-precision positioning, which relates to the technical field of tray lifting and high-precision positioning and comprises a base, a supporting seat, four lifting guide rods and a lifting device. According to the utility model, the lifting, deviation rectification and high-precision positioning of the tray can be efficiently and accurately completed; the operation efficiency of an assembly line depending on tray lifting and positioning can be improved, manual intervention is reduced, the assembly precision is enhanced, and the high-quality and high-efficiency assembly requirements of modern industry are met; aiming at high requirements of current European and American users on low-noise environment, a traditional pneumatic driving mode is abandoned, a non-pneumatic full-motor driving technology is innovatively adopted, and a low-noise and high-torque motor is selected to be combined with a precise transmission mechanism, so that the noise level during equipment operation is greatly reduced, and the service life of the equipment is prolonged. The noise control device accords with strict specifications of European and American markets on noise control, and provides a more comfortable and healthy working environment for operators.

Description

Technical Field

[0001] The utility model relates to the technical field of pallet lifting and high-precision positioning, and specifically relates to a device integrating pallet lifting and high-precision positioning. Background Technique

[0002] With the continuous development of technology, in most automobile manufacturing enterprises, the requirements for the assembly efficiency of various components in the automobile assembly process are getting higher and higher; in the prior art, the assembly of engines and the like mostly relies on manual operation of equipment for assembly operations, but the positioning accuracy of the existing assembly equipment is relatively low, and it is difficult to meet the high-efficiency assembly requirements of engines and the like.

[0003] At the same time, in modern enterprises, the standards for the working environment of automobile assembly and noise control during product use are becoming more and more strict, especially in the European and American markets, the standards for the working environment of automobile assembly and noise control during product use are even more strict; and the existing engine assembly lines mostly use pneumatic drive, which will cause excessive noise during equipment operation, and thus will affect the health of workers.

[0004] The stable engine pallet lifting mechanism with the application number of CN2021202493314 is also a mechanism for lifting the engine pallet, but its positioning accuracy is relatively low, and it is difficult to meet the high-precision positioning requirements of the automatic assembly line. Content of the Utility Model

[0005] The purpose of the utility model is to provide a device integrating pallet lifting and high-precision positioning, so as to solve the problems of low accuracy and large noise of the existing pallet lifting device mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: A device integrating tray lifting and high-precision positioning, including a lower base and an upper support seat arranged parallel up and down. An elevating device is provided between the base and the support seat, and an elevating guide rod connecting the base and the support seat into one body is provided at each of the four corners; on the top surface of the support seat, a positioning seat is provided at the intersection of the same circumference centered on its center point and the two long sides on both sides, and positioning columns are provided on the top surfaces of two diagonally opposite positioning seats; the elevating guide rod includes multiple layers of sleeves sleeved coaxially together, and adjacent two layers of sleeves can slide relative to each other. The bottom end of the outermost sleeve of the elevating guide rod is fixedly connected to the base, and the top end of the innermost sleeve is fixedly connected to the support seat; the elevating device includes a positive and reverse screw rod arranged along the horizontal center line on the top surface of the base and is arranged on the top surface of the base through bearing seats at both ends. One end of the positive and reverse screw rod is connected to an elevating motor arranged on the top surface of the base outside the bearing seat; on both sides of the positive and reverse screw rod, an elevating slideway parallel to it is respectively arranged on the top surface of the base. Two inclined slideways that can slide along its axis are arranged on each elevating slideway. The two inclined slideways on the same elevating slideway are arranged in mirror symmetry. The two inclined slideways on the same side of the two elevating slideways are connected into one body through a driving plate. A threaded guide sleeve is arranged on the driving plate. A threaded hole is arranged at the axis of the threaded guide sleeve and is sleeved on the positive and reverse screw rod in a matching manner; an elevating roller that can roll along its inclined surface is arranged on the inclined surface of each inclined slideway. The elevating roller is fixedly arranged on the bottom surface of the support seat through a roller bracket.

[0007] Preferably, the base is a rectangular flat plate and is provided with four through holes arranged in a rectangular pattern thereon. Bolts can be used to fixedly arrange the base on the equipment bracket in the through holes; a tray identifier is arranged at the center of the top surface of the base.

[0008] Preferably, four guiding rollers are arranged in a circular arrangement centered on the center point of the top surface of the support seat, and each guiding roller is arranged on the top surface of the support seat through a guiding bracket. Two of the guiding rollers are in the same vertical plane as the longer center of the top surface of the support seat, and the other two guiding rollers are in the same vertical plane as the shorter center line of the top surface of the support seat.

[0009] Preferably, support seat baffles are arranged on the outer sides of the two short sides of the support seat; a support seat round hole is arranged at the center point of the support seat, and a tray identifier extends out in the support seat round hole.

[0010] Preferably, the roller bracket is fixed to the bottom surface of the support seat by bolts, and each bolt hole of the roller bracket is a slotted hole; on the bottom surface of the support seat, an adjusting seat is provided on one side of each roller bracket close to the short center line of the support seat, and an adjusting bolt is provided on each adjusting seat, and the adjusting bolt abuts against the side surface of the roller bracket.

[0011] Preferably, the deviation position of the tray can be corrected from 10 mm to within 1 mm through the positioning seat, and the positioning accuracy of the tray can be improved from 1 mm to 0.01 mm through the positioning column.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Aiming at the problems of low assembly efficiency and insufficient positioning accuracy relying on tray positioning and jacking in the prior art, through the integration of mechanical structure and intelligent control system, from lifting, deviation correction to final high-precision positioning, the integrated automatic processing of the tray positioning jack on the production line is realized;

[0014] 2. The application of the present utility model combines the comprehensive application of mechanical design, automatic control and precision measurement technologies, and provides an intelligent device capable of efficiently and accurately completing the functions of lifting, deviation correction and high-precision positioning of the tray; it can improve the operation efficiency of the assembly line relying on the tray positioning jack, reduce manual intervention, enhance the assembly accuracy, and meet the requirements of high quality and high efficiency in modern industrial assembly

[0015] 3. The present utility model integrates three key functions, which is greatly superior to single-function or simple combination devices on the market, not only saves space, but also improves production continuity and automation level;

[0016] 4. Adopting a special mechanical structure and motor control, integrating lifting, deviation correction and precise positioning into one device, and ensuring the positioning accuracy at the micron level, meeting the extremely high requirements of high-performance assembly;

[0017] 5. In practical applications, it significantly improves the assembly efficiency, reduces the dependence on manual operations, reduces the error rate and costs, and at the same time improves the product quality and the response speed of the production line;

[0018] 6. Under the conditions of no stop device for the tray and low roller path height, it can ensure a low height and the device does not expose the roller path, with accurate and stable long-term operating performance, further enhancing its applicability and competitiveness in fields such as automobile manufacturing;

[0019] 7. In response to the high requirements of current European and American users for a low-noise environment, the traditional pneumatic drive method has been abandoned, and the innovative pneumatic-free all-electric drive technology has been adopted. By combining a carefully selected low-noise and high-torque motor with a precision transmission mechanism, the noise level during equipment operation has been significantly reduced, meeting the strict noise control specifications of the European and American markets and providing a more comfortable and healthy working environment for operators.

[0020] 8. The utility model realizes the overall lifting of the tray. One of the highlights is that the tray does not need to stop at an accurate position, and the device has its own deviation correction and precise positioning functions. This design not only improves work efficiency but also greatly enhances the flexibility and adaptability of the device.

[0021] 9. The utility model is applicable to the rapid switching and precise positioning operations of multiple engine models, and can also be applicable to the assembly operations of automotive gearboxes, automotive battery packs, etc., providing strong support for the automation upgrade of the automotive manufacturing and repair industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is an isometric view;

[0023] Figure 2 is a front view;

[0024] Figure 3 is Figure 2 an enlarged view of A in

[0025] Figure 4 is Figure 2 a sectional view taken along B-B in

[0026] Figure 5 is a top view;

[0027] Figure 6 is Figure 5 a sectional view taken along C-C in

[0028] Figure 7 is a rear view;

[0029] In the figure: base - 1, tray identifier - 11, support base - 2, guide roller - 21, guide bracket - 22, positioning seat - 23, positioning column - 24, support base baffle - 25, lifting guide rod - 3, lifting device - 4, positive and negative screw rod - 41, lifting motor - 42, lifting slideway - 43, inclined slideway - 44, drive plate - 45, threaded guide sleeve - 46, lifting roller - 47, roller bracket - 48, adjusting seat - 49, adjusting bolt - 40. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] To enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Please refer to Figure 1-7 , Figure 1 is an axonometric view; Figure 2 is the front view; Figure 3 is Figure 2 the enlarged view of A in Figure 4 is Figure 2 the sectional view taken along B-B in Figure 5 is the top view; Figure 6 is Figure 5 the sectional view taken along C-C in Figure 7 is the rear view.

[0032] The present utility model provides a device for integrating tray lifting and high-precision positioning, which is used for the assembly of engines; it includes a lower base 1 and an upper support seat 2 arranged parallel to each other up and down. At the four corners between the base 1 and the support seat 2, there is a lifting guide rod 3 connecting the base 1 and the support seat 2 into one body. An elevating device 4 is arranged inside the four lifting guide rods 3 between the base 1 and the support seat 2.

[0033] The base 1 is a rectangular flat plate, and four through holes are arranged in a rectangular pattern on it. The base 1 can be fixedly arranged on the equipment bracket by bolts in the through holes; at the four corners on the top surface of the base 1, there is a lifting guide rod 3 vertically arranged and connected to the support seat 2, and an elevating device 4 located between the base 1 and the support seat 2 is arranged inside the four lifting guide rods 3.

[0034] On the top surface of the support seat 2, four guiding rollers 21 are arranged in a circular pattern with its center point as the center. And each guiding roller 21 is arranged on the top surface of the support seat 2 through a guiding bracket 22. And two of the guiding rollers 21 are in the same vertical plane as the longer center line of the top surface of the support seat 2, and the other two guiding rollers 21 are in the same vertical plane as the shorter center line of the top surface of the support seat 2; on the top surface of the support seat 2, a positioning seat 23 is arranged at the intersection points of the same circumference centered on its center point and the two long sides on both sides. And positioning columns 24 are arranged on the top surfaces of two diagonally opposite positioning seats 23. A tray is placed and positioned through the two positioning columns 24; in addition, support seat baffles 25 are arranged on the outer sides of the two short sides of the support seat 2 to limit the movement of the tray.

[0035] A support seat round hole 26 is arranged at the center point of the support seat 2, and a tray identifier 11 arranged on the top surface of the base 1 extends out of the support seat round hole 26.

[0036] The lifting guide rod 3 includes multiple sleeves coaxially sleeved together, and the adjacent two sleeves can slide relative to each other. The bottom end of the outermost sleeve of the lifting guide rod 3 is fixedly connected to the base 1, and the top end of the innermost sleeve is fixedly connected to the support seat 2.

[0037] The lifting device 4 includes a positive and reverse screw rod 41 arranged along the transverse center line on the top surface of the base 1. Both ends of the positive and reverse screw rod 41 are arranged on the top surface of the base 1 through bearing seats. One end of the positive and reverse screw rod 41 is connected with a lifting motor 42 arranged on the top surface of the base 1 outside the bearing seat; on both sides of the positive and reverse screw rod 41, a lifting slideway 43 parallel to it is respectively arranged on the top surface of the base 1, and two inclined slideways 44 that can slide along its axis are arranged on each lifting slideway 43. The two inclined slideways 44 on the same lifting slideway 43 are arranged in mirror symmetry. At the same time, the two inclined slideways 44 on the same side of the two lifting slideways 43 are connected into one body through a driving plate 45, and a threaded guide sleeve 46 is arranged on the driving plate 45. A threaded hole is arranged at the axis center of the threaded guide sleeve 46 and is sleeved on the positive and reverse screw rod 41 in a matching manner. Thus, the positive and reverse screw rod 41 can be driven to rotate by the lifting motor 42, and further drive the two inclined slideways 44 on the same lifting slideway 43 to approach or move away from each other;

[0038] An elevating roller 47 that can roll along its inclined surface is arranged on the inclined surface of each inclined slideway 44. The elevating roller 47 is fixedly arranged on the bottom surface of the support seat 2 through a roller bracket 48. Thus, the support seat 2 can be lifted by the up and down sliding of the elevating roller 47 on the inclined surface of the inclined slideway 44.

[0039] The roller bracket 48 is fixed on the bottom surface of the support seat 2 by bolts, and each bolt hole of the roller bracket 48 is a strip-shaped hole. Thus, the fixed position of the roller bracket 48 can be adjusted; on the bottom surface of the support seat 2, an adjusting seat 49 is arranged on one side of each roller bracket 48 close to the short center line of the support seat 2, and an adjusting bolt 40 is arranged on each adjusting seat 49. The adjusting bolt 40 abuts against the side surface of the roller bracket 48. Thus, the fixed position of the roller bracket 48 can be adjusted through the adjusting bolt 40, and further the lifting height of the support seat 2 can be adjusted.

[0040] During use, the deviation position of the tray can be corrected from 10 mm to within 1 mm through the positioning seat 23. After the deviation correction action is completed, the positioning column 24 is inserted into the positioning hole of the tray, and the positioning accuracy is improved from 1 mm to 0.01 mm, thereby realizing high-precision positioning of the tray.

[0041] The application of this utility model combines the comprehensive application of mechanical design, automatic control and precision measurement technologies, and provides an intelligent device that can efficiently and accurately complete the functions of lifting, rectifying and high-precision positioning of pallets; it can improve the operation efficiency of the engine assembly line, reduce manual intervention, enhance the assembly accuracy, and meet the requirements of the modern automotive industry for high-quality and high-efficiency engine assembly; and in view of the current high requirements of European and American users for a low-noise environment, this utility model abandons the traditional pneumatic drive method and innovatively adopts the non-pneumatic all-electric drive technology. By combining a carefully selected low-noise and high-torque motor with a precision transmission mechanism, the noise level during equipment operation is greatly reduced, meeting the strict noise control specifications of the European and American markets and providing a more comfortable and healthy working environment for operators; in addition, this utility model realizes the overall lifting of the pallet, and one of the highlights is that the pallet does not need to stop at an accurate position, and the device has its own rectifying and precise positioning functions. This design not only improves the work efficiency, but also greatly enhances the flexibility and adaptability of the device, and is suitable for the rapid switching and precise positioning operations of various models of engines, providing strong support for the automation upgrade of the automotive manufacturing and repair industries.

[0042] Although the embodiments of the present utility model have been shown and described, obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, for those of ordinary skill in the art, it can be understood that without departing from the principles and spirit of the present utility model, all other embodiments obtained by making various changes, modifications, substitutions and variations to these embodiments without creative work belong to the scope of protection of the present utility model.

Claims

1. An apparatus integrating tray lifting and high-precision positioning, characterized in that: It includes a lower base (1) and an upper support base (2) which are arranged parallel up and down. A lifting device (4) is provided between the base (1) and the support base (2), and a lifting guide rod (3) that connects the base (1) and the support base (2) into one body is provided at each of the four corners; on the top surface of the support base (2), a positioning seat (23) is provided at the intersection of the same circumference centered on its center point and the two long sides on both sides, and positioning columns (24) are provided on the top surfaces of two diagonally opposite positioning seats (23); the lifting guide rod (3) includes multiple layers of sleeves sleeved coaxially together, and the adjacent two layers of sleeves can slide relative to each other. The bottom end of the outermost sleeve of the lifting guide rod (3) is fixedly connected to the base (1), and the top end of the innermost sleeve is fixedly connected to the support base (2); the lifting device (4) includes a positive and reverse screw rod (41) arranged along the horizontal center line on the top surface of the base (1), and the two ends are arranged on the top surface of the base (1) through bearing seats. One end of the positive and reverse screw rod (41) is connected with a lifting motor (42) arranged on the top surface of the base (1) outside the bearing seat; on both sides of the positive and reverse screw rod (41) on the top surface of the base (1), a lifting slideway (43) parallel to it is respectively arranged. On each lifting slideway (43), two inclined slideways (44) that can slide along its axis are provided. The two inclined slideways (44) on the same lifting slideway (43) are arranged symmetrically in mirror image. The two inclined slideways (44) on the same side of the two lifting slideways (43) are connected into one body through a driving plate (45). A threaded guide sleeve (46) is provided on the driving plate (45). A screw hole is provided at the axis center of the threaded guide sleeve (46) and is sleeved on the positive and reverse screw rod (41) in a matching manner; on the inclined surface of each inclined slideway (44), a lifting roller (47) that can roll along its inclined surface is provided. The lifting roller (47) is fixedly arranged on the bottom surface of the support base (2) through a roller bracket (48).

2. The device for integrated tray lifting and high-precision positioning according to claim 1, wherein: The base (1) is a rectangular flat plate and is provided with four through holes arranged in a rectangular pattern thereon. Bolts can be used to fixedly arrange the base (1) on the equipment bracket in the through holes; a tray identifier (11) is provided at the center of the top surface of the base (1).

3. The device for integrated tray lifting and high-precision positioning according to claim 2, characterized in that: On the top surface of the support base (2), four guiding rollers (21) are arranged in a circular pattern centered on its center point. Each guiding roller (21) is arranged on the top surface of the support base (2) through a guiding bracket (22). Two of the guiding rollers (21) are in the same vertical plane as the longer center of the top surface of the support base (2), and the other two guiding rollers (21) are in the same vertical plane as the shorter center line of the top surface of the support base (2).

4. The device for integrated tray lifting and high-precision positioning according to claim 3, characterized in that: Support seat baffles (25) are provided on the outer sides of the two short sides of the support seat (2); a support seat round hole (26) is provided at the center point of the support seat (2), and a tray identifier (11) extends out of the support seat round hole (26).

5. The device for integrated pallet lifting and high-precision positioning according to claim 4, characterized in that: The roller bracket (48) is fixed to the bottom surface of the support seat (2) by bolts, and each bolt hole of the roller bracket (48) is a slotted hole; an adjusting seat (49) is provided on the bottom surface of the support seat (2) on one side of each roller bracket (48) close to the short center line of the support seat (2), and an adjusting bolt (40) is provided on each adjusting seat (49), and the adjusting bolt (40) abuts against the side surface of the roller bracket (48).

6. The device for integrated tray lifting and high-precision positioning according to claim 5, characterized in that: The deviation position of the tray can be corrected from 10 mm to within 1 mm through the positioning seat (23), and the positioning accuracy of the tray can be improved from 1 mm to 0.01 mm through the positioning column (24).

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