Automatic lifting and carrying device for workpieces

Abstract

The utility model relates to the technical field of carrying devices, and discloses an automatic lifting and carrying device for workpieces, which comprises a support frame, two cross rods, a guide rail, a rack, a driving component and an adsorption structure, and the two cross rods are horizontally and symmetrically fixed at the top end of the support frame; a guide rail is fixed at the top end of each cross rod; a rack is fixed to the side of each transverse rod, and the height of the racks is lower than that of the guide rails. The driving assembly horizontally moves through a guide rail and a rack; the lifting structure is arranged on the driving assembly; the adsorption structure is arranged below the lifting structure and is driven by the lifting structure to move up and down in the vertical direction. According to the utility model, the workpiece can be automatically adsorbed, lifted and carried, the device can be suitable for certain uneven workpieces, the adsorption structure is adjustable, the universality is higher, the movement stability is high, and the structure is reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of transport devices, in particular to an automatic lifting and transporting device for workpieces. Background Art

[0002] During factory processing and production, equipment for lifting and transporting workpieces is often needed. Mobile gantry or electric hoist is usually used to transport large workpieces, and robotic arms or manual transport are often used to transport small workpieces. The robotic arm has large structural limitations for transporting workpieces, general versatility, and a small range of motion, and manual handling requires high workload.

[0003] There are also some workpiece lifting and handling devices in the prior art, such as the Chinese utility model patent application number CN201020261467.9, entitled "A workpiece handling device", which can lift and handle workpieces at various positions to meet the needs of different processing procedures, but it is mainly used to handle cylindrical workpieces, and the structure of the handling device is not disclosed. Another example is the Chinese utility model patent application number CN201721254152.X, entitled "A workpiece lifting and handling device for a heat treatment production line for flange production", which can lift the workpiece or move the workpiece downward. However, they are all for handling workpieces of specific structures and are not very versatile. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide an automatic workpiece lifting and handling device, which can automatically adsorb and lift and transport the workpiece. It can be suitable for certain uneven workpieces, the adsorption structure is adjustable, the versatility is high, the movement is smooth, and the structure is reliable.

[0005] The utility model is implemented by the following technical scheme: an automatic lifting and handling device for workpieces, including a support frame, a cross bar, a guide rail, a rack, a driving assembly and an adsorption structure, wherein two cross bars are horizontally and symmetrically fixed to the top of the support frame; a guide rail is fixed to the top of each cross bar; a rack is fixed to the side of each cross bar, and the height of the rack is lower than the guide rail; the driving assembly moves horizontally through the guide rail and the rack; the lifting structure, the lifting structure is arranged on the driving assembly; the adsorption structure is arranged below the lifting structure, and is driven to move up and down in the vertical direction by the lifting structure.

[0006] Furthermore, the adsorption structure includes an adsorption plate mounting rod and an adsorption plate, and a plurality of the adsorption plate mounting rods are horizontally spaced apart, and a row of adsorption plates are fixed at intervals at the bottom end of each adsorption plate mounting rod, and a spring is provided on the connecting rod of the adsorption plate, so that each adsorption plate can be adjusted to a certain height in the vertical direction.

[0007] Furthermore, the adsorption structure also includes a bottom frame, a screw support seat, a screw, a screw nut seat and a handwheel. Several screw support seats are symmetrically fixed on both sides of the bottom frame. A screw is rotatably installed in the screw support seat. The end of each screw is located on the outside of the bottom frame and a handwheel is fixed. The screw nut seat is cooperated with the screw. The bottom end of the screw nut seat is fixed to the top of the adsorption plate mounting rod. The screw is driven to rotate by manually turning the handwheel to adjust the position of the screw nut seat and the adsorption plate mounting rod at its bottom.

[0008] Furthermore, the lifting structure includes a cylinder, a connecting frame, a top frame, a sliding column, a sliding column connecting frame, a connecting frame plate, a sliding sleeve, a top frame plate and a cylinder connecting plate. The connecting frame plate is fixed on the inner side of the connecting frame, and several sliding columns are symmetrically fixed on the upper end of the connecting frame. The connecting frame is arranged at the top end of the bottom frame. Each sliding column is sleeved with a sliding sleeve. The top ends of the sliding columns are connected by a sliding column connecting frame. The sliding sleeve is fixed on the top frame plate, and the top frame plate is fixed on the inner side of the top frame. The cylinder is vertically fixed in the center of the top frame plate. The driving end of the cylinder is connected to the cylinder connecting plate, and the cylinder connecting plate is connected to the upper end of the connecting frame plate. The driving end of the cylinder moves, driving the connecting frame plate connected to its cylinder connecting plate to move vertically up and down as a whole.

[0009] Furthermore, the driving assembly includes a motor, a driving gear, a driven gear, a transmission shaft, a transmission shaft seat, a slider and a travel gear. The motor is fixed to the upper end of the top frame plate, the driving gear is fixed to the driving end of the motor, a transmission shaft is arranged below the top frame plate, both ends of the transmission shaft are fixed to the bottom end of the top frame plate through two transmission shaft seats, a travel gear is fixed at each end of the transmission shaft, a driven gear is fixed in the middle of the transmission shaft, the driven gear and the driving gear are transmitted through a transmission chain, the travel gear is arranged on a rack, sliders are symmetrically arranged at the bottom end of the top frame plate, and the sliders are mounted on the guide rails through sliding fit.

[0010] Furthermore, an opening is provided on one side of the support frame, and a workpiece trolley is provided under the support frame so as to be accessible from the opening.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model is an automatic lifting and handling device for workpieces, which utilizes the cylinder in the lifting structure to drive the connecting frame plate to move vertically up and down as a whole. During the movement, the sliding column moves vertically up and down in the sliding sleeve, which can maintain the stability of the overall movement of the connecting frame plate.

[0013] 2. The utility model provides an automatic lifting and handling device for workpieces, which uses an adsorption plate to adsorb plastic workpieces. A spring is provided on the connecting rod of each adsorption plate, so that each adsorption plate can be adjusted to a certain height in the vertical direction, so that it can adsorb plastic workpieces with different convexities and concavities, and avoid the plastic workpieces being unable to be sucked tightly due to the convexities and concavities of some structures.

[0014] 3. The utility model is an automatic lifting and handling device for workpieces, which utilizes the motor in the driving assembly to drive the driving gear to rotate, and drives the transmission shaft to rotate through the transmission chain, so that the traveling gears at both ends of the transmission shaft cooperate with each other on the rack, and the top frame plate slides on the guide rail using the slider at its bottom end. It has strong driving ability, reliable structure and stable operation.

[0015] 4. The utility model provides an automatic lifting and handling device for workpieces. By manually turning a hand wheel to drive the lead screw to rotate, the position of the lead screw nut seat and the mounting rod of the suction plate at the bottom thereof can be adjusted. For different types of plastic workpieces, the structure of the suction structure can be adjusted according to their structural characteristics and sizes, so that the plastic workpieces can be better adsorbed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the automatic lifting and transporting device for workpieces of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model after removing the workpiece cart, support frame and cross bar;

[0018] Figure 3 It is a schematic diagram of the connection structure of the driving component, the lifting structure and the adsorption structure in the utility model;

[0019] Figure 4 This is a front view of the connection between the driving assembly, the lifting structure and the adsorption structure in the utility model;

[0020] Figure 5 It is a schematic diagram of the connection structure of the driving component and the lifting structure in the utility model.

[0021] In the figure: workpiece cart-1; drive assembly-3; lifting structure-4; adsorption structure-5; support frame-21; cross bar-22; guide rail-23; rack-24; motor-31; driving gear-32; driven gear-33; transmission shaft-34; transmission shaft seat-35; slider-36; walking gear-37; cylinder-40; connecting frame-41; top frame-42; slide column-43; slide column connecting frame-44; connecting frame plate-45; sliding sleeve-46; top frame plate-47; cylinder connecting plate-401; bottom frame-51; screw support seat-52; screw-53; screw nut seat-54; handwheel-55; adsorption plate mounting rod-56; adsorption plate-57. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0023] The utility model aims to provide an automatic lifting and transporting device for workpieces in view of the defects of the prior art.

[0024] Embodiment 1

[0025] This embodiment provides a workpiece automatic lifting and transporting device, referring to Figure 1 As shown, it includes a support frame 21, a crossbar 22, a guide rail 23, a rack 24, a driving assembly 3, a lifting structure 4 and an adsorption structure 5. Two crossbars 22 are fixed horizontally and symmetrically at the top of the support frame 21. An opening is provided on one side of the support frame 21. A workpiece trolley 1 is provided below the support frame 21 and can be accessed from the opening. The workpiece trolley 1 is provided below the support frame 21 and is used to transport workpieces. A guide rail 23 is fixed to the top of each crossbar 22, and a rack 24 is fixed to the side of each crossbar 22. The height of the rack 24 is lower than the guide rail 23. The driving assembly 3 moves horizontally through the guide rail 23 and the rack 24. The lifting structure 4 is provided on the driving assembly 3, and the adsorption structure 5 is provided below the lifting structure 4. The lifting structure 4 drives the workpiece trolley 1 to move up and down in the vertical direction.

[0026] Reference Figure 2As shown, the adsorption structure 5 includes an adsorption plate mounting rod 56 and an adsorption plate 57. Several adsorption plate mounting rods 56 are arranged horizontally at intervals, and a row of adsorption plates 57 are fixed at intervals at the bottom of each adsorption plate mounting rod 56. A spring is provided on the connecting rod of each adsorption plate 57, so that each adsorption plate 57 can be adjusted to a certain height in the vertical direction, so that when it is pressed down to adsorb the plastic workpiece, it can adsorb plastic workpieces with different convexities and concaveities, thereby avoiding the plastic workpiece being unable to be adsorbed due to the convexities and concavities of some structures.

[0027] Reference Figure 2-Figure 4 As shown, the lifting structure 4 includes a cylinder 40, a connecting frame 41, a top frame 42, a sliding column 43, a sliding column connecting frame 44, a connecting frame plate 45, a sliding sleeve 46, a top frame plate 47 and a cylinder connecting plate 401. The connecting frame plate 45 is fixed to the inner side of the connecting frame 41, and a plurality of sliding columns 43 are symmetrically fixed to the upper end of the connecting frame 41. The connecting frame 41 is arranged at the top end of the bottom frame 51. A sliding sleeve 46 is sleeved on each sliding column 43. The top ends of the sliding columns 43 are connected by the sliding column connecting frame 44. The sliding sleeve 46 is fixed on the top frame plate 47. The top frame plate 47 is fixed to the inner side of the top frame 42. The cylinder 40 is vertically fixed at the center of the top frame plate 47. The driving end of the cylinder 40 is connected to the cylinder connecting plate 401, and the cylinder connecting plate 401 is connected to the upper end of the connecting frame plate 45. The driving end of the cylinder 40 moves, driving the connecting frame plate 45 connected to its cylinder connecting plate 401 to move vertically up and down as a whole.

[0028] Reference Figure 3-Figure 5 As shown, the driving assembly 3 includes a motor 31, a driving gear 32, a driven gear 33, a transmission shaft 34, a transmission shaft seat 35, a slider 36 and a travel gear 37. The motor 31 is fixed to the upper end of the top frame plate 47, the driving gear 32 is fixed to the driving end of the motor 31, a transmission shaft 34 is arranged below the top frame plate 47, both ends of the transmission shaft 34 are fixed to the bottom end of the top frame plate 47 through two transmission shaft seats 35, a travel gear 37 is fixed to each of the two ends of the transmission shaft 34, a driven gear 33 is fixed to the middle part of the transmission shaft 34, the driven gear 33 and the driving gear 32 are transmitted through a transmission chain, the travel gear 37 is arranged on the rack 24, and the bottom end of the top frame plate 47 is symmetrically provided with a slider 36, and the slider 36 is mounted on the guide rail 23 by sliding fit. When the motor 31 is working, it drives the driving gear 32 to rotate, and drives the transmission shaft 34 to rotate through the transmission chain between the driven gear 33 and the driving gear 32, so that the traveling gears 37 at both ends of the transmission shaft 34 cooperate with the rack 24 for transmission, and the top frame plate 47 slides on the guide rail 23 using the slider 36 at its bottom end, driving the top frame plate 47 and the structure fixed thereon to move.

[0029] The utility model is a kind of automatic lifting and handling device for workpieces. When in use, the driving end of the cylinder 40 moves, driving the connecting frame plate 45 connected to the cylinder connecting plate 401 to move vertically up and down as a whole. During the movement, the four sliding columns 43 are used to move vertically up and down in the sliding sleeve 46 to maintain the stability of the overall movement of the connecting frame plate 45. Then, the adsorption plate 57 is used to adsorb the plastic workpiece. A spring is arranged on the connecting rod of each adsorption plate 57, so that each adsorption plate 57 can be adjusted to a certain height in the vertical direction, so that it can adsorb plastic workpieces with different concave and convex shapes, and avoid the plastic workpieces being unable to be adsorbed due to the protrusions and depressions of some structures. Then, the motor 31 in the driving component 3 drives the driving gear 32 to rotate, and drives the transmission shaft 34 to rotate through the transmission chain between the driven gear 33 and the driving gear 32, so that the travel gears 37 at both ends of the transmission shaft 34 are matched and transmitted on the rack 24, and the top frame plate 47 slides on the guide rail 23 using the slider 36 at its bottom end, driving the top frame plate 47 and its plastic workpiece to move and carry it.

[0030] Embodiment 2

[0031] This embodiment provides a workpiece automatic lifting and transporting device, based on the structure in embodiment 1, referring to Figure 2 As shown, the adsorption structure 5 also includes a bottom frame 51, a screw support seat 52, a screw 53, a screw nut seat 54 and a handwheel 55. A plurality of screw support seats 52 are symmetrically fixed on both sides of the bottom frame 51. A screw 53 is rotatably installed in the screw support seat 52. The end of each screw 53 is located on the outside of the bottom frame 51 and is fixed with a handwheel 55. The screw nut seat 54 is cooperatively arranged on the screw 53. The bottom end of the screw nut seat 54 is fixed to the top of the adsorption plate mounting rod 56. The screw 53 is driven to rotate by manually turning the handwheel 55 to adjust the position of the screw nut seat 54 and the adsorption plate mounting rod 56 at its bottom. For different types of plastic workpieces, the structure of the adsorption structure 5 can be adjusted according to their structural characteristics and sizes so that it can better adsorb the plastic workpiece.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A workpiece automatic lifting and handling device, characterized in that: include Support frame (21); Crossbar (22), two crossbars (22) are horizontally and symmetrically fixed on the top of the support frame (21); A guide rail (23), a guide rail (23) is fixed to the top of each cross bar (22); A rack (24), a rack (24) is fixed on the side of each crossbar (22), and the height of the rack (24) is lower than the guide rail (23); A driving assembly (3), wherein the driving assembly (3) moves horizontally via a guide rail (23) and a rack (24); A lifting structure (4), wherein the lifting structure (4) is arranged on the driving assembly (3); as well as The adsorption structure (5) is arranged below the lifting structure (4) and is driven by the lifting structure (4) to move up and down in the vertical direction.

2. The automatic lifting and transporting device for workpieces according to claim 1 is characterized in that: The adsorption structure (5) comprises an adsorption plate mounting rod (56) and an adsorption plate (57), wherein a plurality of the adsorption plate mounting rods (56) are arranged horizontally at intervals, and a row of adsorption plates (57) are fixed at intervals at the bottom end of each adsorption plate mounting rod (56), and a spring is arranged on the connecting rod of the adsorption plate (57), so that each adsorption plate (57) can be adjusted to a certain height in the vertical direction.

3. The automatic lifting and transporting device for workpieces according to claim 2 is characterized in that: The adsorption structure (5) further comprises a bottom frame (51), a screw support seat (52), a screw (53), a screw nut seat (54) and a hand wheel (55). A plurality of screw support seats (52) are symmetrically fixed on both sides of the bottom frame (51). A screw (53) is rotatably installed in the screw support seat (52). The end of each screw (53) is located on the outer side of the bottom frame (51) and is fixed with a hand wheel (55). The screw nut seat (54) is arranged on the screw (53). The bottom end of the screw nut seat (54) is fixed to the top end of the adsorption plate mounting rod (56). The screw (53) is driven to rotate by manually turning the hand wheel (55) to adjust the position of the screw nut seat (54) and the adsorption plate mounting rod (56) at its bottom.

4. The automatic lifting and transporting device for workpieces according to claim 3 is characterized in that: The lifting structure (4) comprises a cylinder (40), a connecting frame (41), a top frame (42), a sliding column (43), a sliding column connecting frame (44), a connecting frame plate (45), a sliding sleeve (46), a top frame plate (47) and a cylinder connecting plate (401), wherein the connecting frame plate (45) is fixed to the inner side of the connecting frame (41), a plurality of sliding columns (43) are symmetrically fixed to the upper end of the connecting frame (41), the connecting frame (41) is arranged at the top end of the bottom frame (51), each sliding column (43) is sleeved with a sliding sleeve (46), and the sliding column (43) is provided with a plurality of sliding columns (43). ) are connected through a sliding column connecting frame (44) at the top, the sliding sleeve (46) is fixed on the top frame plate (47), the top frame plate (47) is fixed on the inner side of the top frame (42), the cylinder (40) is vertically fixed in the center of the top frame plate (47), the driving end of the cylinder (40) is connected to a cylinder connecting plate (401), and the cylinder connecting plate (401) is connected to the upper end of the connecting frame plate (45); the driving end of the cylinder (40) moves, driving the connecting frame plate (45) connected to its cylinder connecting plate (401) to move vertically up and down as a whole.

5. The automatic lifting and transporting device for workpieces according to claim 4 is characterized in that: The driving assembly (3) comprises a motor (31), a driving gear (32), a driven gear (33), a transmission shaft (34), a transmission shaft seat (35), a slider (36) and a travel gear (37), wherein the motor (31) is fixed to the upper end of the top frame plate (47), the driving gear (32) is fixed to the driving end of the motor (31), a transmission shaft (34) is arranged below the top frame plate (47), and both ends of the transmission shaft (34) are fixed to the top frame plate (47) through two transmission shaft seats (35). At the bottom end of the frame plate (47), a traveling gear (37) is fixed at each end of the transmission shaft (34), a driven gear (33) is fixed at the middle of the transmission shaft (34), the driven gear (33) and the driving gear (32) are transmitted through a transmission chain, the traveling gear (37) is matched and arranged on the rack (24), and a slider (36) is symmetrically arranged at the bottom end of the top frame plate (47), and the slider (36) is installed on the guide rail (23) through sliding matching.

6. The automatic lifting and transporting device for workpieces according to claim 1 is characterized in that: An opening is provided on one side of the support frame (21), and a workpiece trolley (1) is provided below the support frame (21) and can be accessed from the opening.

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