Box clamping jaw capable of automatically adjusting spacing

Abstract

The utility model relates to the technical field of cargo handling, in particular to a box clamping jaw capable of automatically adjusting spacing, which comprises a frame body, a transverse clamping component, a longitudinal adjusting component and a clamping jaw, the transverse clamping component is arranged on the inner side of the frame body, and the longitudinal adjusting component is arranged below the transverse clamping component. According to the box clamping jaw capable of automatically adjusting the spacing, when longer box goods need to be clamped and carried, the spacing of the clamping jaws needs to be adjusted, so that the goods can be clamped more stably, at the moment, a motor can be started to drive a threaded rod to rotate, and the threaded rod drives a threaded sliding block far away from a speed reducer to move outwards when rotating; the threaded sliding blocks close to the speed reducer synchronously move inwards, and then the longitudinal sliding blocks fixedly connected with the connecting plates are driven to synchronously move till clamping jaw interval adjustment is completed, so that clamping and carrying of a longer box body are facilitated, automatic adjustment of the clamping jaw interval is achieved by arranging the longitudinal adjusting assembly, and the stability of the clamping jaws after adjustment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to goods handling technical field, concretely is a kind of box body clamping jaw of automatic spacing adjustment. BACKGROUND

[0002] Goods handling clamping jaw is widely used in the handling operation in various fields, such as warehousing logistics and production. In warehousing logistics, they help efficiently handle liquid, powder and other goods, improve work efficiency; in production, it is used to handle various liquid and semi-solid raw materials, reduce the labor intensity of workers.

[0003] For example, the publication number "CN114536377B" is named a continuously deformable mechanical clamping jaw, which reduces the pressure on the surface of the grasped object, especially for grasping complex-shaped objects and fragile objects, and can complete the grasping task of different shapes, different sizes or even the same object in different postures, but at present, in the field of goods handling, box type goods are very common, but the length of the box type goods required to be handled varies in some occasions, different clamping jaws need to be replaced for different lengths of box type goods, but replacing the clamping jaw is time-consuming and laborious, which greatly affects the handling efficiency. At present, there are also some clamping jaws that can adjust the spacing to adapt to different lengths of box type goods, but the adjustment method is manual adjustment by bolt positioning hole, and the adjustment process is still not simple enough, so there is a great need for a box body clamping jaw that can automatically adjust the spacing. UTILITY MODEL CONTENT

[0004] The utility model discloses to the existing box body clamping jaw difficult replacement, spacing adjustment mode is not simple enough, through the setting longitudinal adjustment component, the automatic adjustment of the spacing of clamping jaw is completed, and the stability of clamping jaw in the clamping state is guaranteed through the self-locking ability of screw thread cooperation, effectively improve the efficiency of the handling of different lengths of box type goods, and a kind of box body clamping jaw that can automatically adjust spacing is presented.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of box body clamping jaw that can automatically adjust spacing, including frame body, transverse clamping component, longitudinal adjustment component and clamping jaw, the transverse clamping component is set in the inner side of frame body, the longitudinal adjustment component is set below transverse clamping component, the frame body includes circumscribed frame and transverse frame, two The transverse frame is fixedly connected at the lower end of two circumscribed frames.

[0007] Preferably, the transverse clamping assembly comprises a driving electric cylinder and a synchronous assembly, the driving electric cylinder is fixedly installed on the inner side of the transverse frame, the distal end of the working rod of the driving electric cylinder is fixedly connected with a U-shaped plate, the lower side of the U-shaped plate is fixedly connected with a longitudinal frame, the upper end surface of the longitudinal frame is fixedly connected with a transverse sliding block, the lower end surface of the transverse frame is fixedly connected with a transverse sliding rail, and the synchronous assembly is fixedly arranged on the upper sides of the longitudinal frame.

[0008] Preferably, the synchronous assembly comprises support plates and fixed columns, the two fixed columns are fixedly connected with the top end of the longitudinal frame, the top ends of the two fixed columns are rotatably connected with side edge rotating rods, the other ends of the two side edge rotating rods are rotatably connected with a middle rotating rod, the middle of the middle rotating rod is rotatably connected with a support plate, and the lower ends of the two support plates are fixedly connected with the top end of the longitudinal frame.

[0009] Preferably, the inner side of the longitudinal frame is fixedly provided with a plurality of sliding grooves.

[0010] Preferably, the longitudinal adjusting assembly comprises a motor mounting plate and a longitudinal sliding rail, the longitudinal sliding rail is fixedly connected with the longitudinal frame, the lower side of the longitudinal sliding rail is slidably connected with a longitudinal sliding block, the motor mounting plate is fixedly connected with the lower end of the outer wall of the longitudinal frame, the inner side of the motor mounting plate is fixedly connected with a motor, the top end of the output shaft of the motor is fixedly connected with a speed reducer, the output shaftes of the speed reducer are fixedly connected with threaded rods, the outer walls of the threaded rods are threadedly connected with a plurality of threaded sliding blocks, one side of the threaded sliding blocks is slidably connected with a limiting sliding channel, and the limiting sliding channel is fixedly connected to the inner wall of the longitudinal frame.

[0011] Preferably, one side of the threaded sliding block is fixedly connected with a plurality of connecting plates, the threaded sliding block is fixedly connected with the connecting plates through the sliding groove, the lower ends of the connecting plates are fixedly connected with longitudinal sliding blocks, and the bottom ends of the longitudinal sliding blocks are fixedly connected with a plurality of clamping jaws.

[0012] The box clamping jaw with automatic spacing adjustment has the beneficial effects that when longer box goods need to be clamped and carried, the spacing of the clamping jaws needs to be adjusted so that the goods can be clamped more stably, at this time, the motor can be started, the motor drives the threaded rods to rotate when the motor is started, the threaded rods drive the threaded sliding blocks away from the speed reducer to move outward when the threaded rods rotate, the threaded sliding blocks close to the speed reducer move inward synchronously, the longitudinal sliding blocks fixedly connected with the connecting plates move synchronously, and the spacing adjustment of the clamping jaws is completed until the spacing adjustment of the clamping jaws is completed, so that the longer box can be clamped and carried conveniently, the spacing adjustment of the clamping jaws is completed through the threaded cooperation of the threaded rods and the threaded sliding blocks, and the stability of the clamping jaws in the clamped state is ensured through the self-locking capacity of the threads. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a three-dimensional schematic view of the utility model;

[0014] Figure 2 is Figure 1 a three-dimensional internal structure schematic view;

[0015] Figure 3 is a longitudinal frame three-dimensional structure schematic view;

[0016] Figure 4 is Figure 3 a right side view schematic view;

[0017] Figure 5 is an enlarged three-dimensional schematic view of the longitudinal adjusting assembly.

[0018] In the figure: 1, frame body, 11, outer connecting frame, 12, transverse frame, 2, transverse clamping assembly, 21, drive electric cylinder, 22, U-shaped plate, 23, longitudinal frame, 231, sliding groove, 24, transverse sliding rail, 25, transverse sliding block, 26, synchronous assembly, 261, support plate, 262, middle rotating rod, 263, side rotating rod, 264, fixed column, 3, longitudinal adjusting assembly, 31, motor mounting plate, 32, motor, 33, speed reducer, 34, threaded rod, 35, threaded sliding block, 36, limiting sliding way, 37, connecting plate, 38, longitudinal sliding rail, 39, longitudinal sliding block, 4, clamping jaw. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings:

[0020] Please refer to Figures 1-5 : in this embodiment, a box body clamping jaw capable of automatically adjusting spacing, comprising frame body 1, transverse clamping assembly 2, longitudinal adjusting assembly 3 and clamping jaw 4, transverse clamping assembly 2 is arranged at the inner side of frame body 1, longitudinal adjusting assembly 3 is arranged below transverse clamping assembly 2, frame body 1 includes outer connecting frame 11 and transverse frame 12, two transverse frames 12 are fixedly connected at the lower end of two outer connecting frames 11.

[0021] Transverse clamping assembly 2 includes drive electric cylinder 21 and synchronous assembly 26, drive electric cylinder 21 is fixedly installed at the inner side of transverse frame 12, the distal end of the working rod of drive electric cylinder 21 is fixedly connected with U-shaped plate 22, the lower portion of U-shaped plate 22 is fixedly connected with longitudinal frame 23, the upper end surface of longitudinal frame 23 is fixedly connected with transverse sliding block 25, and the lower end surface of transverse frame 12 is fixedly connected with transverse sliding rail 24.

[0022] When the box type goods need to be clamped and carried, the clamping jaws 4 are moved to the two sides of the goods by the external transportation mechanism, the driving electric cylinder 21 working rod fixedly connected with the transverse frame 12 is retracted, the U-shaped plate 22 fixedly connected with the driving electric cylinder 21 working rod distal end is synchronously close to the driving electric cylinder 21, the longitudinal frame 23 fixedly connected with the U-shaped plate 22 moves to the center, the transverse sliding block 25 fixedly connected with the upper end surface of the longitudinal frame 23 is in sliding connection with the transverse sliding rail 24 fixedly connected with the lower end surface of the transverse frame 12, and the transverse movement of the longitudinal frame 23 is guided. The synchronous assembly 26 is fixedly arranged above the two sides of the longitudinal frame 23, and the transverse sliding block 25 is in sliding connection with the inner side of the transverse sliding rail 24.

[0023] The synchronous assembly 26 comprises a support plate 261 and a fixed column 264. The two fixed columns 264 are fixedly connected to the top end of the longitudinal frame 23. When the two sides of the longitudinal frame 23 move to the center, the fixed column 264 fixedly connected with the longitudinal frame 23 moves synchronously. The top end of the two fixed columns 264 is rotatably connected with a side edge rotating rod 263. The other end of the two side edge rotating rods 263 is rotatably connected with a middle rotating rod 262.

[0024] The middle rotating rod 262 is rotatably connected with the support plate 261. Since the side edge rotating rod 263 is rotatably connected with the middle rotating rod 262 and the fixed column 264, and the two sides of the side edge rotating rod 263 are centrally symmetrically arranged, the synchronous movement of the two sides of the longitudinal frame 23 can be ensured. The lower end of the two support plates 261 is fixedly connected with the top end of the transverse frame 12. The inner side of the longitudinal frame 23 is fixedly provided with a plurality of sliding grooves 231.

[0025] The longitudinal adjusting assembly 3 comprises a motor mounting plate 31 and a longitudinal sliding rail 38. The longitudinal sliding rail 38 is fixedly connected with the longitudinal frame 23. The lower side of the longitudinal sliding rail 38 is in sliding connection with a longitudinal sliding block 39. The motor mounting plate 31 is fixedly connected to the lower end of the outer wall of the longitudinal frame 23. The inner side of the motor mounting plate 31 is fixedly connected with a motor 32. The top end of the output shaft of the motor 32 is fixedly connected with a speed reducer 33. The output shaft of the speed reducer 33 is fixedly connected with a threaded rod 34 at both ends.

[0026] When the longer box type goods need to be clamped and carried, the spacing of the clamping jaws 4 needs to be adjusted so that the goods can be clamped more stably. At this time, the motor 31 can be started. The motor 31 is connected with a double-output speed reducer 33. The two output shafts of the speed reducer 33 are fixedly connected with threaded rods 34. When the motor 31 is started, the threaded rods 34 are rotated. The outer wall of the threaded rod 34 is threadedly connected with a plurality of threaded sliding blocks 35. One side of the plurality of threaded sliding blocks 35 is in sliding connection with a limiting sliding channel 36.

[0027] The threaded rod 34 is provided with external threads in opposite directions near and away from the speed reducer 33, the threaded rod 34 is provided with a threaded sliding block 35 outside the external threads, the threaded sliding block 35 is provided with internal threads inside the threaded sliding block 35 matched with the external threads of the threaded rod 34, and the threaded sliding block 35 is slidingly connected to a limiting sliding channel 36 fixedly connected to the inner wall of the longitudinal frame 23.

[0028] When it is necessary to clamp and carry a longer box-shaped cargo, it is necessary to adjust the distance between the clamping jaws 4, so that the cargo can be clamped more stably, at this time, the motor 31 can be started, when the motor 31 is started, the threaded rod 34 is driven to rotate, the limiting sliding channel 36 is fixedly connected to the inner wall of the longitudinal frame 23, so that the threaded sliding block 35 can only slide longitudinally and cannot rotate around the threaded rod 34, when the threaded rod 34 rotates, the threaded sliding block 35 away from the speed reducer 33 moves outward, and the threaded sliding block 35 near the speed reducer 33 moves inward synchronously, the threaded sliding block 35 is fixedly connected to the connecting plate 37 through the sliding groove 231, the moving threaded sliding block 35 drives the connecting plate 37 to move synchronously, and in turn drives the longitudinal sliding block 39 fixedly connected to the connecting plate 37 to move synchronously, the clamping jaw 4 moves synchronously, until the distance between the clamping jaws 4 is adjusted, so that the longer box can be clamped and carried, by providing the longitudinal adjusting assembly, the automatic adjustment of the distance between the clamping jaws 4 is realized, and the stability of the clamping jaws 4 after adjustment is ensured.

[0029] The threaded sliding block 35 is fixedly connected to a plurality of connecting plates 37 on one side, the threaded sliding block 35 is fixedly connected to the connecting plate through the sliding groove 231, the lower end of the plurality of connecting plates 37 is fixedly connected to the longitudinal sliding block 39, and the bottom end of the plurality of longitudinal sliding blocks 39 is fixedly connected to the plurality of clamping jaws 4, when the motor 31 stops, the threaded rod 34 stops rotating, due to the self-locking ability of the threaded connection, the threaded sliding block 35 will remain stationary and will not slide longitudinally, so that the stability of the clamping jaws 4 under pressure when clamping the cargo is ensured.

[0030] Working principle:

[0031] The box clamping jaw capable of automatically adjusting the distance is mainly composed of a frame body 1, a transverse clamping assembly 2, a longitudinal adjusting assembly 3 and a clamping jaw 4, and is mainly used for clamping and carrying box-shaped cargos of different lengths, the external connecting frame 11 in the frame body 1 is used for connecting an external transport mechanism, and the clamping jaw 4 is in an open state in an initial state;

[0032] First when need to carry out clamping to the box type goods, by the external transport mechanism moves the clamping jaw 4 to the both sides of goods, with the drive cylinder 21 working rod retraction fixedly connected with the horizontal frame 12, the U-shaped plate 22 fixedly connected with the drive cylinder 21 working rod distal end synchronous approach drive cylinder 21, the vertical frame 23 fixedly connected with the U-shaped plate 22 moves to the center, the horizontal slide 25 fixedly connected with the vertical frame 23 upper end surface is slidingly connected with the horizontal slide rail 24 fixedly connected with the horizontal frame 12 lower end surface, the horizontal movement of vertical frame 23 is guided;

[0033] When both sides vertical frame 23 moves to the center, the fixed column 264 fixedly connected with the vertical frame 23 synchronous movement, the middle pivot 262 has the support plate 261, because side pivot 263 and middle pivot 262 and fixed column 264 are pivotally connected, and both sides of side pivot 263 are centrally symmetrically arranged, so that the synchronous movement of both sides of vertical frame 23 can be ensured;

[0034] The vertical frame 23 is fixedly connected with the vertical slide rail 38, the vertical slide block 39 is slidingly connected with the vertical slide rail 38, the vertical frame 23 moves to drive the vertical slide block 39 to move synchronously, and then drive the clamping jaw 4 fixedly connected with the vertical slide block 39 to move to the center to clamp the goods and then carry them;

[0035] When longer box type goods need to be clamped and carried, the distance between each clamping jaw 4 needs to be adjusted so that the goods can be clamped more stably, at this time the motor 31 can be started, when the motor 31 is started, the threaded rod 34 is rotated, the limiting slide 36 is fixedly connected to the inner wall of the vertical frame 23, so that the threaded slide block 35 can only slide longitudinally and cannot rotate around the threaded rod 34, when the threaded rod 34 rotates, the threaded slide block 35 away from the speed reducer 33 moves outward, the threaded slide block 35 close to the speed reducer 33 moves inward synchronously, the threaded slide block 35 is fixedly connected with the connecting plate 37 through the sliding groove 231, the moving threaded slide block 35 drives the connecting plate 37 to move synchronously, and then drives the vertical slide block 39 fixedly connected with the connecting plate 37 to move synchronously, the clamping jaw 4 moves synchronously, until the distance adjustment of the clamping jaw 4 is completed;

[0036] Finally, when the motor 31 stops, the threaded rod 34 stops rotating, and due to the self-locking ability of the threaded cooperation, the threaded slide block 35 will remain stationary and will not slide longitudinally, thereby ensuring the stability of the clamping jaw 4 when clamping the goods under pressure.

[0037] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A box gripper with automatically adjustable spacing, comprising a frame (1), a transverse clamping assembly (2), and a longitudinal adjustment assembly (3), wherein the transverse clamping assembly (2) is disposed on the inner side of the frame (1), and the longitudinal adjustment assembly (3) is disposed below the transverse clamping assembly (2), characterized in that: The frame (1) includes an outer frame (11) and a transverse frame (12), with the two transverse frames (12) fixedly connected to the lower ends of the two outer frames (11).

2. The automatically adjustable box gripper according to claim 1, characterized in that: The transverse clamping assembly (2) includes a drive cylinder (21) and a synchronization assembly (26). The drive cylinder (21) is fixedly installed on the inner side of the transverse frame (12). A U-shaped plate (22) is fixedly connected to the far end of the working rod of the drive cylinder (21). A longitudinal frame (23) is fixedly connected below the U-shaped plate (22). A transverse slider (25) is fixedly connected to the upper end face of the longitudinal frame (23). A transverse slide rail (24) is fixedly connected to the lower end face of the transverse frame (12). The synchronization assembly (26) is fixedly arranged on both sides above the longitudinal frame (23). The transverse slider (25) is slidably connected to the inner side of the transverse slide rail (24).

3. The automatically adjustable box gripper according to claim 2, characterized in that: The synchronization component (26) includes a support plate (261) and fixed columns (264). Two fixed columns (264) are fixedly connected to the top of the longitudinal frame (23). The top of the two fixed columns (264) is rotatably connected to a side rotating rod (263). The other end of the two side rotating rods (263) is rotatably connected to a middle rotating rod (262). The middle of the middle rotating rod (262) is rotatably connected to a support plate (261). The lower ends of the two support plates (261) are fixedly connected to the top of the transverse frame (12).

4. The automatically adjustable spacing box gripper according to claim 3, characterized in that: Multiple sliding grooves (231) are fixedly provided on the inner side of the longitudinal frame (23).

5. The automatically adjustable spacing box gripper according to claim 1, characterized in that: The longitudinal adjustment assembly (3) includes a motor mounting plate (31) and a longitudinal slide rail (38). The longitudinal slide rail (38) is fixedly connected to the longitudinal frame (23). A longitudinal slider (39) is slidably connected to the lower side of the longitudinal slide rail (38). The motor mounting plate (31) is fixedly connected to the lower end of the outer wall of the longitudinal frame (23). A motor (32) is fixedly connected to the inner side of the motor mounting plate (31). A reducer (33) is fixedly connected to the top end of the output shaft of the motor (32). Threaded rods (34) are fixedly connected to both ends of the output shaft of the reducer (33). Multiple threaded sliders (35) are threadedly connected to the outer wall of the threaded rods (34). A limit slide (36) is slidably connected to one side of the multiple threaded sliders (35). The limit slide (36) is fixedly connected to the inner wall of the longitudinal frame (23).

6. The automatically adjustable spacing box gripper according to claim 5, characterized in that: A plurality of connecting plates (37) are fixedly connected to one side of the threaded slider (35). The threaded slider (35) is fixedly connected to the connecting plate through a groove (231). A longitudinal slider (39) is fixedly connected to the lower end of the plurality of connecting plates (37). A plurality of grippers (4) are fixedly connected to the bottom end of the plurality of longitudinal sliders (39).

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