Rotating jaws

Abstract

The present invention discloses a rotating clamp, comprising a mounting seat, a power unit, a telescopic plate and a clamp, wherein the power unit is mounted on the mounting seat, the telescopic plate is arranged beside the mounting seat, and the telescopic plate is elastically connected to the power unit and can rotate relative to the mounting seat under the drive of the power unit, and the clamp is positioned and connected to the side of the telescopic plate facing away from the mounting seat. The rotating clamp has a simple, novel and reasonable structure, is not only widely applicable, but also has high clamping stability and reliability.

Description

Technical Field

[0001] The invention relates to the technical field of clamping jaw equipment, and in particular provides a rotating clamping jaw. Background Art

[0002] At present, in the machinery manufacturing industry, robots that grasp objects through rotating jaws have been widely used. The basic function of the rotating jaws is to grasp objects from a designated workstation and transport them to another designated workstation, and then rotate the objects to a designated angle for assembly as needed.

[0003] However, the existing rotary clamp still has certain disadvantages when in use. For example, in the existing rotary clamp structure, since the clamp is fixedly connected to the output shaft of the cylinder, this will cause the clamping rigidity of the clamp to be strong, which is easy to damage some brittle and flexible objects, thereby causing the application of the rotary clamp to be very restrictive.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] In order to overcome the above defects, the present invention provides a rotating clamping jaw, which has a simple, novel and reasonable structure, not only has a wide range of applications, but also has high clamping stability and reliability.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a rotating clamp, which is used in pairs, and includes a mounting seat, a power unit, a telescopic plate and a clamp, the power unit is installed on the mounting seat, the telescopic plate is arranged next to the mounting seat, and at the same time, the telescopic plate is elastically connected to the power unit and can rotate relative to the mounting seat under the drive of the power unit, and the clamp is positioned and connected on the side of the telescopic plate facing away from the mounting seat.

[0007] As a further improvement of the present invention, the power unit comprises a power assembly and a rotating spindle, the power assembly is mounted on the mounting seat, the rotating spindle is mounted in the mounting seat, and the rotating spindle can also rotate relative to the mounting seat under the drive of the power assembly;

[0008] The telescopic plate is connected to the rotating main shaft and can be elastically telescopic along the axial direction of the rotating main shaft.

[0009] As a further improvement of the present invention, a mounting hole extending along the axial direction and respectively penetrating the two axial side surfaces of the rotating main shaft is centrally arranged, and a screw rod coaxially arranged therewith is positioned and inserted in the mounting hole;

[0010] The telescopic plate is movably connected to one axial end of the screw rod, and at the same time, the telescopic plate is also elastically connected to the rotating main shaft.

[0011] As a further improvement of the present invention, a through hole is centrally arranged on the telescopic plate, and a plurality of mounting hole grooves extending along the axial direction thereof and opening respectively on one side of the axial direction thereof are arranged on the rotating main shaft;

[0012] A screw and multiple springs are also provided. After the screw rod of the screw freely passes through the through hole, it is screwed into one axial end of the screw rod, and the nut of the screw can be stopped outside one side of the through hole; the multiple springs are respectively and correspondingly built into the multiple mounting hole grooves, and at the same time, one end of the multiple springs are elastically abutted against the inner walls of the multiple mounting hole grooves, and the other ends of the multiple springs are respectively positioned and connected with one side of the telescopic plate facing the mounting seat.

[0013] As a further improvement of the present invention, the rotating main shaft is further provided with a plurality of guide grooves extending along its axial direction and opening respectively on one side of its axial direction;

[0014] A plurality of guide posts are also provided, and the plurality of guide posts are movably inserted into the plurality of guide grooves respectively and correspondingly, and at the same time, one end of the plurality of guide posts is also respectively positioned and connected to the telescopic plate.

[0015] As a further improvement of the present invention, the plurality of mounting hole grooves are symmetrically distributed around the central axis of the mounting channel; the plurality of guide grooves are also symmetrically distributed around the central axis of the mounting channel.

[0016] As a further improvement of the present invention, one axial side of the rotating main shaft extends out of the mounting seat, and a fixing ring is provided on the outer positioning sleeve of the one axial side of the rotating main shaft;

[0017] In addition, a position sensor for sensing position information of the telescopic plate is also installed on the fixing ring.

[0018] As a further improvement of the present invention, a receiving hole is provided on the side wall of the rotating spindle and close to the other axial side thereof, the receiving hole being in communication with the mounting hole.

[0019] A fixing block is also provided, and after the fixing block is tightly fitted and embedded in the receiving hole, it is firmly pressed against the screw rod.

[0020] As a further improvement of the present invention, a mounting through hole is provided on the mounting seat and passes through two opposite side surfaces thereof, and the rotating spindle is rotatably mounted in the mounting through hole through a bearing;

[0021] The power assembly has a rotary cylinder, the cylinder body of the rotary cylinder is locked and connected to the mounting seat, and the output shaft of the rotary cylinder is inserted into the mounting through hole and then drivingly connected to the other axial side of the rotating main shaft.

[0022] As a further improvement of the present invention, the output shaft of the rotary cylinder is coaxially arranged with the rotary main shaft, and the output shaft of the rotary cylinder is positioned and connected to the other axial side of the rotary main shaft via a coupling.

[0023] The beneficial effects of the present invention are as follows: through structural improvement, the present invention designs the clamp to be elastically and retractably connected to the rotating main shaft. By virtue of the elastic retractable function of the clamp, on the one hand, the clamp can grasp objects of different materials, shapes and volumes, thereby greatly expanding the application scope of the rotating clamp; on the other hand, it can effectively improve the clamping stability and reliability of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the rotating clamp of the present invention at a first viewing angle;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the rotating clamp of the present invention at a second viewing angle;

[0026] Figure 3 It is a schematic diagram of the top view of the rotating clamping jaw of the present invention;

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the rotating clamping jaw of the present invention in a top view;

[0028] Figure 5 It is a schematic diagram of the side structure of the rotating clamping jaw of the present invention;

[0029] Figure 6 It is a schematic diagram of the cross-sectional structure of the rotating clamping jaw of the present invention in a side view.

[0030] Combined with the accompanying drawings, the following description is given:

[0031] 1—mounting seat; 2—rotating spindle; 20—mounting hole slot; 21—guide slot;

[0032] 3—telescopic plate; 4—clamping claw; 5—screw rod; 6—screw; 7—spring; 8—guide column;

[0033] 90—fixing ring; 91—position sensor; 10—fixing block; 11—rotating cylinder. DETAILED DESCRIPTION

[0034] The following describes the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0035] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the art, and are not used to limit the conditions under which the present invention can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0036] Example:

[0037] Please see attached Figure 1 To Attachment Figure 6 The figures are respectively a three-dimensional structural schematic diagram of the rotating clamp of the present invention at two different viewing angles, a top structural schematic diagram, a cross-sectional structural schematic diagram in a top state, a side structural schematic diagram, and a cross-sectional structural schematic diagram in a side state.

[0038] The present invention provides a rotating clamp, which is used in pairs. The rotating clamp includes a mounting seat 1, a power unit, a telescopic plate 3 and a clamp 4. The power unit is installed on the mounting seat 1, and the telescopic plate 3 is arranged next to the mounting seat 1. At the same time, the telescopic plate 3 is also elastically connected to the power unit and can rotate relative to the mounting seat 1 under the drive of the power unit. The clamp 4 is positioned and connected to the side of the telescopic plate 3 facing away from the mounting seat 1.

[0039] In this embodiment, preferably, the power unit has a power assembly and a rotating spindle 2, the power assembly is mounted on the mounting seat 1, the rotating spindle 2 is mounted in the mounting seat 1, and the rotating spindle 2 can also rotate relative to the mounting seat 1 under the drive of the power assembly;

[0040] The telescopic plate 3 is connected to the rotating main shaft 2 so as to be elastically telescopic along the axial direction of the rotating main shaft 2 .

[0041] For further optimization, please refer to the attached Figure 4 and 6 As shown, a mounting hole is centrally arranged on the rotating main shaft 2, extending along its axial direction and penetrating its two axial side surfaces respectively, and a screw rod 5 coaxially arranged therewith is positioned and inserted in the mounting hole; the telescopic plate 3 is movably connected to one axial end of the screw rod 5, and at the same time, the telescopic plate 3 is also elastically connected to the rotating main shaft 2.

[0042] For further optimization, please refer to the attached Figure 6 As shown, a through hole is centrally provided on the telescopic plate 3, and a plurality of mounting hole slots 20 extending along the axial direction thereof and opening respectively on one side of the axial direction thereof are provided on the rotating main shaft 2;

[0043] A screw 6 and multiple springs 7 are also provided. After the screw rod of the screw 6 is freely passed through the through hole, it is screwed into one axial end of the screw rod 5, and the nut of the screw 6 can be stopped outside one side of the through hole; the multiple springs 7 are respectively and correspondingly built into the multiple mounting hole grooves 20, and at the same time, one ends of the multiple springs 7 are elastically abutted against the inner walls of the multiple mounting hole grooves 20, and the other ends of the multiple springs 7 are respectively positioned and connected with one side of the telescopic plate 3 facing the mounting seat 1.

[0044] In addition, please see the attached Figure 4 As shown, the rotating main shaft 2 is also provided with a plurality of guide grooves 21 extending along its axial direction and opening respectively on one side of its axial direction;

[0045] A plurality of guide posts 8 are also provided, and the plurality of guide posts 8 are movably inserted into the plurality of guide grooves 21 respectively and correspondingly, and at the same time, one end of the plurality of guide posts 8 is also positioned and connected to the telescopic plate 3 respectively.

[0046] More preferably, the plurality of mounting hole grooves 20 are symmetrically distributed around the central axis of the mounting channel; the plurality of guide grooves 21 are also symmetrically distributed around the central axis of the mounting channel.

[0047] In this embodiment, preferably, one axial side of the rotating spindle 2 extends out of the mounting seat 1, and a fixing ring 90 for fixing the rotating spindle is provided outside the axial side of the rotating spindle 2 through a spline positioning sleeve; in addition, a position sensor 91 for sensing the position information of the telescopic plate 3 is also installed on the fixing ring 90, and the position information of the telescopic plate 3 can be obtained through the position sensor 91, and then it can be known whether there is material clamping.

[0048] In this embodiment, preferably, a receiving hole that is connected to the mounting channel is provided on the side wall of the rotating main shaft 2 and close to the other side of its axial direction; a fixing block 10 is also provided, and after the fixing block 10 is tightly fitted into the receiving hole, it is firmly pressed against the screw 5 to fix the screw.

[0049] In this embodiment, preferably, a mounting through hole is provided on the mounting seat 1 and passes through two opposite side surfaces thereof, and the rotating spindle 2 is rotatably mounted in the mounting through hole through a needle bearing;

[0050] The power assembly has a blade-type rotary cylinder 11, the cylinder body of the rotary cylinder 11 is locked and connected to the mounting seat 1, and the output shaft (i.e., the rotor) of the rotary cylinder 11 is inserted into the mounting through hole and is transmission-connected to the other axial side of the rotating main shaft 2.

[0051] Further preferably, the output shaft of the rotary cylinder 11 is coaxially arranged with the rotary main shaft 2, and the output shaft of the rotary cylinder 11 is positioned and connected to the other axial side of the rotary main shaft 2 via a coupling.

[0052] In summary, the present invention improves the structure and designs the clamp to be elastically and retractably connected to the rotating spindle. The elastic retractable function of the clamp can, on the one hand, enable the clamp to grasp objects of various materials, shapes and volumes, thereby greatly expanding the application scope of the rotating clamp; on the other hand, it can effectively improve the clamping stability and reliability of the clamp.

[0053] The above description is only a preferred embodiment of the present invention, but is not intended to limit the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A rotating jaw, which is used in pairs, characterized in that: The rotating clamp comprises a mounting seat (1), a power unit, a telescopic plate (3) and a clamp (4); the power unit is mounted on the mounting seat (1); the telescopic plate (3) is arranged beside the mounting seat (1); and the telescopic plate (3) is elastically connected to the power unit and can rotate relative to the mounting seat (1) under the drive of the power unit; the clamp (4) is positioned and connected to a side of the telescopic plate (3) facing away from the mounting seat (1); the power unit comprises a power assembly and a rotating spindle (2); the power assembly is mounted on the mounting seat (1); the rotating spindle (2) is mounted in the mounting seat (1); and the rotating spindle (2) can also rotate relative to the mounting seat (1) under the drive of the power assembly; The telescopic plate (3) is connected to the rotating main shaft (2) so as to be elastically telescopic along the axial direction of the rotating main shaft (2); a mounting hole extending along the axial direction and penetrating through two axial side surfaces of the rotating main shaft (2) is centrally arranged on the rotating main shaft (2); a screw rod (5) coaxially arranged therewith is positioned and inserted in the mounting hole; The telescopic plate (3) is movably connected to one axial end of the screw rod (5), and at the same time, the telescopic plate (3) is also elastically connected to the rotating main shaft (2). A through hole is centrally arranged on the telescopic plate (3), and a plurality of mounting hole grooves (20) are arranged on the rotating main shaft (2) and extend along the axial direction thereof and are respectively opened on one side of the axial direction thereof; A screw (6) and a plurality of springs (7) are also provided. The screw rod of the screw (6) is freely passed through the through hole and is screwed into one axial end of the screw rod (5). The nut of the screw (6) can be stopped outside one side of the through hole. The plurality of springs (7) are respectively and correspondingly built into the plurality of mounting hole grooves (20), and at the same time, one end of the plurality of springs (7) is elastically abutted against the inner wall of the plurality of mounting hole grooves (20). The other ends of the plurality of springs (7) are respectively positioned and connected with one side of the telescopic plate (3) facing the mounting seat (1). The axial side of the rotating main shaft (2) extends out of the mounting seat (1), and a fixing ring (90) is positioned and sleeved outside the axial side of the rotating main shaft (2). In addition, a position sensor (91) for sensing position information of the telescopic plate (3) is also installed on the fixing ring (90).

2. The rotating clamp according to claim 1, characterized in that: The rotating main shaft (2) is also provided with a plurality of guide grooves (21) extending along its axial direction and opening respectively on one side of its axial direction; A plurality of guide posts (8) are also provided, and the plurality of guide posts (8) are respectively and correspondingly inserted into the plurality of guide grooves (21) and one end of the plurality of guide posts (8) is also respectively positioned and connected to the telescopic plate (3).

3. The rotating clamp according to claim 2, characterized in that: The plurality of mounting hole grooves (20) are symmetrically distributed around the central axis of the mounting channel; the plurality of guide grooves (21) are also symmetrically distributed around the central axis of the mounting channel.

4. The rotating clamp according to claim 1, characterized in that: A receiving hole is provided on the side wall of the rotating main shaft (2) and close to the other side of the axial direction thereof, and is communicated with the mounting hole; A fixing block (10) is also provided. After the fixing block (10) is tightly fitted into the receiving hole, it is firmly pressed against the screw rod (5).

5. The rotating clamp according to claim 1, characterized in that: The mounting seat (1) is provided with a mounting through hole penetrating two opposite side surfaces thereof, and the rotating main shaft (2) is rotatably mounted in the mounting through hole via a bearing; The power assembly comprises a rotary cylinder (11), the cylinder body of the rotary cylinder (11) being locked and connected to the mounting seat (1), and the output shaft of the rotary cylinder (11) being inserted into the mounting through hole and then being transmission-connected to the other axial side of the rotary main shaft (2).

6. The rotating clamp according to claim 5, characterized in that: The output shaft of the rotary cylinder (11) is coaxially arranged with the rotary main shaft (2), and the output shaft of the rotary cylinder (11) is positioned and connected to the other axial side of the rotary main shaft (2) via a coupling.

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