CN219546058U

CN219546058U - Pallet clamp

Info

Publication number: CN219546058U
Application number: CN202320386300.2U
Authority: CN
Inventors: 张立; 金喆
Original assignee: Tianjin Seagull Automation Technology Co ltd
Current assignee: Tianjin Seagull Automation Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-18
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses a tray clamp, which comprises a support frame and clamping jaws, wherein the clamping jaws are rotationally connected with the support frame, and at least two clamping jaws are symmetrically arranged along the support frame and are used for clamping a tray to be clamped; one end of the driving unit is fixedly connected with the supporting frame, and the other end of the driving unit is fixedly connected with the clamping jaw and is used for driving the two clamping jaws which are symmetrically arranged to open or close; and the floating adsorption unit is arranged below the supporting frame and used for adsorbing products carried on the tray to be clamped. The movable clamping device has the beneficial effects that when the tray is clamped, the driving piece drives the swing rod and the rotating shaft to rotate, so that the clamping jaw can be opened or closed, and meanwhile, the adsorption structure in the floating adsorption unit adsorbs the packing box on the tray and is stably adsorbed on the surface of the packing box under the action of the spring, so that the tray is not easy to fall off in the clamped and moving process.

Description

Pallet clamp

Technical Field

The utility model relates to the technical field of packing and stacking clamps, in particular to a tray clamp.

Background

The stacker crane is a device for automatically stacking bags, cartons or other packaging materials conveyed by a conveyor into a stack according to the working mode required by a customer process and conveying the stacked materials. The cartons loaded with the containers are arranged and stacked on a tray and a pallet (wood and plastic) according to a certain arrangement, and then automatically stacked, stacked in multiple layers and pushed out, so that the forklift is convenient to transport to a warehouse for storage. The clamp of the stacker crane is matched with the carrying manipulator to realize stacking operation. Wherein the bulletin number: CN214359027U, patent name: the utility model discloses a stacker crane, which is characterized in that positioning grooves are formed in two end faces in the width direction of a grapple connecting plate, the grapple connecting plate is connected with a grapple through the positioning grooves, a plurality of friction protrusions are arranged on the bottom surface of the positioning grooves, and a grapple main body, a positioning part and a detaching plate enclose a mounting hole for fixing the grapple connecting plate; according to the utility model, the positioning part is connected with the grapple main body in a telescopic way, the positioning part is provided with the soil block, the grapple main body is hinged with the dismounting plate, and the dismounting plate is connected with the positioning part through the hexagon bolt.

According to the technical scheme, the product to be clamped is positioned only through the grapple main body, and if the weight of the product to be clamped is large, the product can easily fall off from the grapple main body under the action of gravity or fall off from the equipment along the side part of the grapple main body.

Disclosure of Invention

The utility model aims to solve the problems, and designs a tray clamp. The clamping jaw is rotationally connected with the supporting frame, and at least two clamping jaws are symmetrically arranged along the supporting frame and used for clamping a tray to be clamped; one end of the driving unit is fixedly connected with the supporting frame, and the other end of the driving unit is fixedly connected with the clamping jaw and is used for driving the two clamping jaws which are symmetrically arranged to open or close; and the floating adsorption unit is arranged below the supporting frame and used for adsorbing products carried on the tray to be clamped.

Further, the floating adsorption unit comprises an upper floating support plate, floating columns, a lower floating support plate, springs and an adsorption structure, wherein the upper floating support plate is fixed on the support frame, a plurality of floating columns are fixed on the upper floating support plate, the floating columns penetrate through the lower floating support plate and can move along the lower floating support plate, the springs are fixed between the upper floating support plate and the lower floating support plate, the springs are arranged outside the floating columns, and the adsorption structure is fixed on the lower floating support plate. The adsorption end of the adsorption structure is arranged downwards along the bottom of the support frame.

Further, the floating columns are provided with at least four along the upper floating support plate, the four floating columns being in a rectangular array along the upper floating support plate.

Further, the driving unit comprises a driving piece, a rotating shaft and a swinging rod, one end of the driving piece is fixed above the supporting frame, the rotating shaft is rotatably arranged below the supporting frame, a first through hole is formed in the supporting frame, one end of the swinging rod penetrates through the first through hole and is rotatably connected with the driving piece, and the other end of the swinging rod is fixed on the rotating shaft. The driving piece is an air cylinder or a hydraulic cylinder.

Further, the clamping jaw comprises a connecting seat, a bending arm and a clamping seat, wherein the connecting seat is fixed at the end part of the rotating shaft, the bending arm is fixed at the end part of the connecting seat, the clamping seat is fixed at the end part of the bending arm, and the clamping seat extends outwards to form a protruding structure along the bending arm.

Further, the support frame is fixed with a photoelectric sensor, a second through hole is formed in the support frame, and the photoelectric sensor emits light beams downwards along the second through hole.

The tray clamp manufactured by the technical scheme of the utility model has the beneficial effects that: when the tray is clamped, the driving piece drives the swing rod and the rotating shaft to rotate, so that the clamping jaw can be opened or closed, and meanwhile, the adsorption structure in the floating adsorption unit adsorbs a packing box on the tray and stably adsorbs the packing box on the surface of the packing box under the action of the spring, so that the tray is not easy to fall off in the clamped and moved process.

Drawings

FIG. 1 is a perspective view of a pallet clamp according to the present utility model;

FIG. 2 is a top view of the pallet clamp of the present utility model;

FIG. 3 is a cross-sectional view taken in the direction indicated by the A-A in FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the drive unit and jaws of the present utility model;

FIG. 5 is a schematic diagram of the structure of the floating adsorption unit of the present utility model;

FIG. 6 is a cross-sectional view of a floating adsorption unit of the present utility model;

in the figure, 1, a supporting frame; 2. a clamping jaw; 21. a connecting seat; 22. bending the arm; 23. a clamping seat; 3. a driving unit; 31. a driving member; 32. a rotating shaft; 33. swing rod; 34. a first through hole; 4. a floating adsorption unit; 41. an upper floating support plate; 42. a floating column; 43. a lower floating support plate; 44. a spring; 45. an adsorption structure; 5. a photoelectric sensor.

Detailed Description

The utility model is specifically described below with reference to the accompanying drawings, and as shown in fig. 1 and 2, the tray clamp comprises a support frame 1, clamping jaws 2, a clamping device and a clamping device, wherein the clamping jaws 2 are rotationally connected with the support frame 1, and at least two clamping devices are symmetrically arranged along the support frame 1 and used for clamping a tray to be clamped; one end of the driving unit 3 is fixedly connected with the support frame 1, and the other end of the driving unit is fixedly connected with the clamping jaws 2 and is used for driving the two clamping jaws 2 which are symmetrically arranged to open or close; the floating adsorption unit 4 is arranged below the supporting frame 1 and is used for adsorbing products carried on the tray to be clamped.

The support frame 1 is used for fixing the driving unit 3, the clamping jaw 2 and the floating adsorption unit 4 and plays a supporting role. In this scheme clamping jaw 2 follow under the drive of drive unit 3 the both ends outside direction of support frame 1 bottom intermediate position upset in opposite directions, the centre gripping operation to the tray is realized to this moment, can have held packing box or wrapping bag in advance in the tray, and then realizes stack or pile up neatly operation. When the pallet is transported to a preset position, the clamping jaw 2 is driven by the driving unit 3 to reversely overturn from the middle position of the bottom of the supporting frame 1 to the outer sides of the two ends of the supporting frame 1, and at the moment, the jaw loosening operation of the clamped pallet is realized. In the process, the floating adsorption unit 4 is adsorbed on the surface of the packing box and continuously clings to the surface of the packing box, so that heavier packing products are prevented from falling off the clamp under the action of gravity.

Specifically, as shown in fig. 3 and 4, the driving unit 3 includes a driving member 31, a rotation shaft 32 and a swing rod 33, one end of the driving member 31 is fixed above the support frame 1, the rotation shaft 32 is rotatably disposed below the support frame 1, a first through hole 34 is formed in the support frame 1, one end of the swing rod 33 passes through the first through hole 34 and is rotatably connected with the driving member 31, and the other end of the swing rod 33 is fixed on the rotation shaft 32. The driving member 31 is a cylinder or a hydraulic cylinder. After the driving piece 31 is started, the swing rod 33 is driven to move along the axis of the driving piece 31, meanwhile, as the swing rod 33 is fixedly connected with the rotating shaft 32, the swing rod 33 changes in position in the first through hole 34, and the clamping jaw 2 is driven to be close to or far away from the first through hole, so that the clamping of the tray is realized. In this way, the drive of the clamping jaw 2 can be realized in a small space without affecting the opening range of the clamping jaw 2.

The clamping jaw 2 comprises a connecting seat 21, a bending arm 22 and a clamping seat 23, wherein the connecting seat 21 is fixed at the end part of the rotating shaft 32, the bending arm 22 is fixed at the end part of the connecting seat 21, the clamping seat 23 is fixed at the end part of the bending arm 22, and the clamping seat 23 is of a protruding structure extending outwards along the bending arm 22. The connecting seat 21 plays a role of being fixed with the rotating shaft 32, the bending arm 22 and the clamping seat 23 clamp the tray, and particularly the protruding part of the clamping seat 23 is contacted with the bottom of the tray.

As shown in fig. 4 to 6, the floating adsorption unit 4 includes an upper floating support plate 41, a floating column 42, a lower floating support plate 43, a spring 44 and an adsorption structure 45, the upper floating support plate 41 is fixed to the support frame 1, the upper floating support plate 41 is fixed with a plurality of floating columns 42, the floating columns 42 pass through the lower floating support plate 43 and can move along the lower floating support plate 43, the spring 44 is fixed between the upper floating support plate 41 and the lower floating support plate 43, the spring 44 is arranged outside the floating columns 42, and the adsorption structure 45 is fixed to the lower floating support plate 43. The adsorption end of the adsorption structure 45 is arranged downward along the bottom of the support frame 1. The floating columns 42 are provided with at least four along the upper floating support plate 41, the four floating columns 42 being in a rectangular array along the upper floating support plate 41. After carrying out the centre gripping to the tray, if have the packing box on the tray, the absorption in the floating adsorption unit 4 adsorbs the packing box surface, and in adsorption process, after adsorption structure 45 contacted the packing box, lower floating support plate 43 received the extrusion, and spring 44 received the compression, floating post 42 took place the small circle along lower floating support plate 43 to remove, this absorption that makes adsorption structure 45 more stable was on packing box or wrapping bag surface. The floating adsorption unit 4 mainly plays roles of buffering and stable adsorption. The adsorption mechanism is adopted to adsorb the top of the box body, so that the box body cannot fall down due to gravity; the suction structure 45 is located in the middle of the two groups of jaws 2. The adsorption structure 45 may be a vacuum sponge adsorption structure. The vacuum sponge adsorption structure 45 can be used for moving and carrying paper, wood, rugged dry metal plates, plastic plates or aluminum pieces, one vacuum sponge adsorption structure 45 can automatically stack, stack and sort various different cargoes, the sponge can be quickly replaced after being worn, the vacuum sponge is simple and quick, the cost is low, moreover, the vacuum sponge is firm in theme and light in weight, different length and size are selected for use, and the carrying system is low in cost; the vacuum sponge adsorption structure 45 is internally provided with a vacuum generator and a throttle valve, so that the energy-saving effect can be achieved, the cycle period is short, and the enterprise cost is saved.

As shown in fig. 2, the support 1 is fixed with a photoelectric sensor 5, a second through hole is provided on the support 1, and the photoelectric sensor 5 emits a light beam downward along the second through hole. The photoelectric sensor 5 emits light beams to the tray through the second through hole, and the photoelectric sensor 5 is used for detecting whether products exist on the tray or not.

Working principle:

the support frame 1 is provided with a connecting flange for fixedly connecting the tray clamp with the carrying manipulator, the manipulator moves the tray clamp to a working area, the photoelectric sensor 5 continuously emits light beams, when the tray is detected below the photoelectric sensor 5, the driving piece 31 is started to enable the driving piece 31 to drive the swing rod 33 to rotate, the rotating shaft 32 also rotates, the clamping jaw 2 is folded, and the clamping seat 23 is contacted with the tray to clamp the tray. In the process of clamping the tray by the clamping jaw 2, the surface of the tray is pre-loaded with the packing box, the adsorption structure 45 is in contact with the upper surface of the packing box, and the lower floating support plate 43 in the floating adsorption unit 4 stably sticks to the surface of the packing box by finely adjusting the position of the sucking disc under the matching action of the spring 44 and the floating column 42, so that the tray and the whole packing box are prevented from falling off under the action of gravity.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims

1. Tray anchor clamps, its characterized in that includes: a support (1);

the clamping jaw (2) is rotationally connected with the support frame (1), and at least two clamping jaws are symmetrically arranged along the support frame (1) and are used for clamping a tray to be clamped;

one end of the driving unit (3) is fixedly connected with the support frame (1), and the other end of the driving unit is fixedly connected with the clamping jaw (2) and is used for driving the two symmetrically arranged clamping jaws (2) to open or close;

the floating adsorption unit (4) is arranged below the supporting frame (1) and is used for adsorbing products carried on the tray to be clamped;

the floating adsorption unit (4) comprises an upper floating support plate (41), floating columns (42), a lower floating support plate (43), springs (44) and an adsorption structure (45), wherein the upper floating support plate (41) is fixed on the support frame (1), a plurality of floating columns (42) are fixed on the upper floating support plate (41), the floating columns (42) penetrate through the lower floating support plate (43) and can move along the lower floating support plate (43), the springs (44) are fixed between the upper floating support plate (41) and the lower floating support plate (43), the springs (44) are arranged outside the floating columns (42), and the adsorption structure (45) is fixed on the lower floating support plate (43).

2. Pallet clamp according to claim 1, characterized in that the floating columns (42) are provided with at least four along the upper floating support plate (41), the four floating columns (42) being in a rectangular array along the upper floating support plate (41).

3. The tray clamp according to claim 2, wherein the driving unit (3) comprises a driving member (31), a rotating shaft (32) and a swinging rod (33), one end of the driving member (31) is fixed above the supporting frame (1), the rotating shaft (32) is rotatably arranged below the supporting frame (1), a first through hole (34) is formed in the supporting frame (1), one end of the swinging rod (33) penetrates through the first through hole (34) and is rotatably connected with the driving member (31), and the other end of the swinging rod (33) is fixed on the rotating shaft (32).

4. A pallet clamp according to claim 3, characterized in that the driving member (31) is a pneumatic or hydraulic cylinder.

5. The pallet clamp according to claim 4, wherein the clamping jaw (2) comprises a connecting seat (21), a bending arm (22) and a clamping seat (23), the connecting seat (21) is fixed at the end part of the rotating shaft (32), the bending arm (22) is fixed at the end part of the connecting seat (21), the clamping seat (23) is fixed at the end part of the bending arm (22), and the clamping seat (23) is of a protruding structure extending outwards along the bending arm (22).

6. Pallet clamp according to claim 5, characterized in that the suction end of the suction structure (45) is arranged downwards along the bottom of the support frame (1).

7. Pallet clamp according to claim 1, characterized in that the support frame (1) is fixed with a photoelectric sensor (5), a second through hole is arranged on the support frame (1), and the photoelectric sensor (5) emits a light beam downwards along the second through hole.