CN218364842U

CN218364842U - Clamping mechanism

Info

Publication number: CN218364842U
Application number: CN202222873721.6U
Authority: CN
Inventors: 王明杰; 田延钊; 熊容廷
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-01-24
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a clamping mechanism, including linking bridge, clamping jaw subassembly and setting element, the setting element is installed in the arm, linking bridge installation is in the setting element, clamping jaw subassembly includes top fastening piece, mounting and clamping jaw, top fastening piece is installed in the mounting, top fastening piece includes the shell, set up elastic component and flexible projection in the shell, the one end of elastic component is connected with the bottom surface of shell, the other end and the flexible projection of elastic component are connected, flexible projection is flexible to be set up in the shell, linking bridge and mounting are connected, the setting element is used for being connected with the top of work piece, the clamping jaw includes the hinged end and sets up respectively in the butt end and the clamp end of hinged end both sides, the hinged end is articulated with the mounting, the clamp end can with the bottom butt of work piece, the butt end can be used for compressing the elastic component with flexible projection butt, the operation personnel make butt end and flexible projection butt elastic component compression, elastic component drive clamp end and work piece butt, it is tight to make the work piece press from both sides, this clamping mechanism has the advantage that improves work efficiency.

Description

Clamping mechanism

Technical Field

The utility model relates to a clamping device technical field, concretely relates to clamping mechanism.

Background

In the automobile production, the assembly is an important part, especially the assembly of the workpiece on the top of the automobile is difficult, at present, a magnet type clamping mechanism is used for mounting the top of the automobile, the workpiece is attracted by a magnet to realize clamping, a large amount of welding slag is adhered to the magnet in the actual production, the magnet welding slag needs to be cleaned regularly, and the operation beat is influenced.

Therefore, there is a need to provide a new clamping mechanism to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clamping mechanism aims at solving and needs regularly clear up among the prior art in the production operation in-process, influences the technical problem of operating efficiency.

The utility model provides a clamping mechanism for supplementary arm presss from both sides tight work piece, including linking bridge, clamping jaw subassembly and setting element, the setting element install in the arm, linking bridge install in the setting element, clamping jaw subassembly includes top fastening piece, mounting and clamping jaw, top fastening piece install in the mounting, top fastening piece include the shell, set up in elastic component and flexible projection in the shell, the one end of elastic component with the bottom surface of shell is connected, the other end of elastic component with flexible projection is connected, flexible projection stretch out and draw back set up in the shell, linking bridge with the mounting is connected, the setting element be used for with the top of work piece is connected, the clamping jaw include the hinged end and set up respectively in the butt end and the clamping end of hinged end both sides, the hinged end with the mounting is articulated, the clamping end can with the bottom butt of work piece, the butt end can with flexible projection butt is in order to be used for the compression the elastic component.

In an embodiment, a fixed column is arranged on the bottom surface inside the housing, the elastic piece is sleeved on the fixed column, one end of the elastic piece is abutted against the bottom surface inside the housing, and the other end of the elastic piece is connected with the telescopic convex column.

In an embodiment, the housing includes a first plane, the first plane is provided with a telescopic hole, the telescopic boss is telescopically arranged in the telescopic hole, the housing is further provided with a plurality of limiting bosses, and the plurality of limiting bosses are arranged on the first plane and above the telescopic boss at intervals.

In one embodiment, the clamping mechanism further comprises a pressure sensor and an alarm, the pressure sensor is in signal connection with the alarm, and the pressure sensor is arranged at one end, far away from the shell, of the limiting convex column.

In one embodiment, the abutting end is provided with a groove, and the telescopic convex column can enter the groove and be clamped with the groove.

In one embodiment, the fixing part comprises two convex plates arranged at intervals and a hinge shaft arranged between the two convex plates, the clamping jaw is hinged to the hinge shaft, and two sides of the clamping jaw are respectively abutted to the two convex plates.

In one embodiment, the connecting bracket is provided with two connecting plates, the number of the clamping jaw assemblies is two, the two clamping jaw assemblies are respectively installed on the two connecting plates, and the two clamping jaw assemblies are arranged in parallel and at intervals.

In one embodiment, the locating piece comprises a fixing bolt, a connecting rod and a locating sub-piece, one end of the connecting rod is connected with the mechanical arm, the other end of the connecting rod is connected with the locating sub-piece, the connecting rod is provided with a locating hole, the locating sub-piece is provided with a mounting hole, the fixing bolt penetrates through the locating hole to be locked to the mounting hole, and the locating sub-piece is arranged between the two clamping jaw assemblies.

In one embodiment, the clamping mechanism further comprises a bending plate and horizontal clamping jaw assemblies, one end of the bending plate is connected to the mechanical arm, the other end of the bending plate is connected with the horizontal clamping jaw assemblies, and the horizontal clamping jaw assemblies and the two clamping jaw assemblies are arranged at intervals along the same circumference.

In an embodiment, the clamping mechanism further includes a positioning bolt, the connecting bracket is provided with a positioning hole, and the positioning bolt is mounted on the mechanical arm through the positioning hole.

In the above scheme, clamping mechanism includes linking bridge, clamping jaw subassembly and setting element, the setting element install in the arm, linking bridge install in the setting element, clamping jaw subassembly includes top fastening piece, mounting and clamping jaw, top fastening piece install in the mounting, top fastening piece include the shell, set up in elastic component and flexible projection in the shell, the one end of elastic component with the bottom surface of shell is connected, the other end of elastic component with flexible projection is connected, flexible projection stretch out and draw back set up in the shell, linking bridge with the mounting is connected, the setting element be used for with the top of work piece is connected, the clamping jaw include the hinged end and set up respectively in the butt end and the clamp end of hinged end both sides, the hinged end with the mounting is articulated, clamp end can with the bottom butt of work piece, the butt end can with flexible projection butt is used for compressing the elastic component, specifically, the operation personnel rotate the clamping jaw, the butt end with flexible projection makes flexible projection retract, compresses elastic component production deformation and stores the energy, install the back operation personnel open the clamping jaw and make the clamping jaw drive the manipulator loosen the reciprocal work piece and make the clamping jaw clear and change the efficiency of work piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a clamping mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the clamping mechanism according to the embodiment of the present invention when no positioning member is installed;

FIG. 3 is a schematic structural view of a robot arm according to an embodiment of the present invention;

fig. 4 is a schematic view of a viewing angle of a clamping jaw according to an embodiment of the present invention;

FIG. 5 is a schematic view of another perspective of a jaw according to an embodiment of the present invention;

fig. 6 is a schematic overall structure diagram of a tightening member according to an embodiment of the present invention;

fig. 7 is a schematic view of the internal structure of the tightening member according to the embodiment of the present invention.

The reference numbers indicate:

the purpose of the present invention, its functional features and advantages will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship, motion situation, etc. between the workpieces in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

At present, in the prior art, a magnet type clamping mechanism is used, a workpiece is attracted by a magnet to realize clamping, a large amount of welding slag can be adhered to the magnet during actual production, the magnet welding slag needs to be cleaned regularly, and the operation efficiency is influenced.

Referring to fig. 1 to 3, the present invention provides a clamping mechanism for assisting a robot arm 7 to clamp a workpiece, including a connecting bracket 1, a clamping jaw assembly 2 and a positioning member 3, the positioning member 3 is installed on the robot arm 7, the connecting bracket 1 is installed on the positioning member 3, the clamping jaw assembly 2 includes a clamping member 21, a fixing member 22 and a clamping jaw 23, the clamping member 21 is installed on the fixing member 22, the clamping member 21 includes a housing 211, an elastic member 213 and a telescopic boss 212 disposed in the housing 211, one end of the elastic member 213 is connected to a bottom surface of the housing 211, the other end of the elastic member 213 is connected to the telescopic boss 212, the telescopic boss 212 is telescopically disposed in the housing 211, the connecting bracket 1 is connected to the fixing member 22, the positioning member 3 is used for connecting to a top of the workpiece, the clamping jaw 23 includes a hinged end 233 and a butt end 231 and a clamping end 232 respectively disposed at two sides of the hinged end 233, the hinged end 233 is hinged to the fixing member 22, the clamping end 232 can abut against the bottom of the workpiece, the abutting end 231 can abut against the telescopic boss 212 to compress the elastic member 213, specifically, the operator rotates and opens the clamping jaw 23, the abutting end 231 abuts against the telescopic boss 212 to retract the telescopic boss 212, meanwhile, the elastic member 213 is compressed to deform and store energy, the workpiece is mounted on the positioning member 3, after the mounting is completed, the operator releases the clamping jaw 23, the elastic member 213 releases energy and restores deformation, the clamping jaw 23 is driven to rotate and abuts against the workpiece, the workpiece is completely clamped, and then the workpiece is mounted on the mounting position through the mechanical arm 7.

Referring to fig. 6 and 7, in an embodiment, a fixed column 211a is disposed on a bottom surface inside the housing 211, the elastic element 213 is sleeved on the fixed column 211a, one end of the elastic element 213 abuts against the bottom surface inside the housing 211, and the other end of the elastic element 213 is connected to the telescopic boss 212, so that the elastic element 213 is prevented from moving during compression by sleeving the elastic element 213 on the fixed column 211a, and meanwhile, when the elastic element 213 is compressed, the telescopic boss 212 abuts against the fixed column 211a to prevent the elastic element 213 from being over compressed and from failing.

Referring to fig. 6 and 7, in an embodiment, the housing 211 includes a first plane 211b, the first plane 211b is provided with a telescopic hole 211c, the telescopic boss 212 is telescopically disposed in the telescopic hole 211c, the housing 211 is further provided with a plurality of limiting bosses 211d, the number of the limiting bosses 211d is multiple, the plurality of limiting bosses 211d are disposed on the first plane 211b at intervals and above the telescopic boss 212, and the limiting bosses 211d are disposed to prevent the elastic member 213 from being compressed too much to cause failure.

Referring to fig. 6 and 7, clamping mechanism still includes pressure sensor and alarm, pressure sensor and alarm signal connection, pressure sensor sets up in the one end that shell 211 was kept away from to spacing projection 211d, when clamping jaw 23 and spacing projection 211d butt, pressure sensor measures the pressure size of extrusion between clamping jaw 23 and the spacing projection 211d, when pressure size reached the numerical value that sets up, pressure sensor sends the signal to the industrial computer, industrial computer control alarm sends sound in order to remind the operating personnel, prevent that the operating personnel from exerting oneself too big clamping jaw 23 damage that leads to, this embodiment has the advantage of reminding the operating personnel.

Referring to fig. 1 and 5, in an embodiment, the abutting end 231 is provided with a groove 231a, the telescopic stud 212 can enter the groove 231a and be clamped with the groove 231a, and the groove 231a can enable the telescopic stud 212 to be clamped in the groove 231a when being compressed, so as to prevent the telescopic stud 212 from sliding on the clamping jaw 23.

Referring to fig. 1 to 3, in an embodiment, the fixing member 22 includes two protruding plates 221 disposed at intervals and a hinge shaft 222 disposed between the two protruding plates 221, the clamping jaw 23 is hinged to the hinge shaft 222, and both sides of the clamping jaw 23 are respectively abutted against the two protruding plates 221, so that the clamping jaw 23 can be prevented from moving towards both sides.

Referring to fig. 1 and 2, in an embodiment, the connecting bracket 1 is provided with two connecting plates 11, the number of the clamping jaw assemblies 2 is two, the two clamping jaw assemblies 2 are respectively mounted on the two connecting plates 11, the two clamping jaw assemblies 2 are arranged in parallel and at intervals, clamping force can be improved by arranging the two clamping jaw assemblies 2 in parallel, and workpieces in parallel directions can be mounted at the same time.

Referring to fig. 1 to 3, in an embodiment, the positioning member 3 includes a fixing bolt 31, a connecting rod 32 and a positioning sub-member 33, one end of the connecting rod 32 is connected to the robot arm 7, the other end of the connecting rod 32 is connected to the positioning sub-member 33, the connecting rod 32 is provided with a positioning hole, the positioning sub-member 33 is provided with a mounting hole, the fixing bolt 31 passes through the positioning hole and is locked to the mounting hole, the positioning sub-member 33 is disposed between the two jaw assemblies 2, and the positioning sub-member 33 is convenient to mount and dismount by the arrangement of the structure.

Referring to fig. 1 to 3, in an embodiment, the clamping mechanism further includes a bending plate 4 and a horizontal clamping jaw assembly 2, one end of the bending plate 4 is connected to the mechanical arm 7, the other end of the bending plate 4 is connected to the horizontal clamping jaw assembly 2, the horizontal clamping jaw assembly 2 and the two clamping jaw assemblies 2 are arranged at intervals along the same circumference, and the firmness of clamping the workpiece can be further improved by arranging the structure.

Referring to fig. 1 to 3, in an embodiment, the clamping mechanism further includes a positioning bolt 6, the connecting bracket 1 is provided with a positioning hole, the positioning bolt 6 is mounted on the mechanical arm 7 through the positioning hole, and the mounting and dismounting of the connecting bracket 1 are facilitated by the arrangement of the structure.

Above only be the utility model discloses an optional embodiment to do not consequently restrict the utility model discloses a patent range, all be in the utility model discloses a technical idea down, utilize the equivalent structure transform of doing of the contents of description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection scope.

Claims

1. The utility model provides a clamping mechanism for supplementary arm presss from both sides tight work piece, a serial communication port, including linking bridge, clamping jaw subassembly and setting element, the setting element install in the arm, linking bridge install in the setting element, clamping jaw subassembly includes top fastening piece, mounting and clamping jaw, top fastening piece install in the mounting, top fastening piece include the shell, set up in elastic component and flexible projection in the shell, the one end of elastic component with the bottom surface of shell is connected, the other end of elastic component with flexible projection is connected, flexible projection stretch out and draw back set up in the shell, linking bridge with the mounting is connected, the setting element be used for with the top of work piece is connected, the clamping jaw include the hinged end and set up respectively in the butt end and the clamping end of hinged end both sides, the hinged end with the mounting is articulated, the clamping end can with the bottom butt of work piece, the butt end can with flexible projection butt is used for compressing the elastic component.

2. The clamping mechanism according to claim 1, wherein a fixed column is arranged on the bottom surface inside the housing, the elastic member is sleeved on the fixed column, one end of the elastic member abuts against the bottom surface inside the housing, and the other end of the elastic member is connected with the telescopic convex column.

3. The clamping mechanism as claimed in claim 2, wherein the housing includes a first plane, the first plane is provided with a retractable hole, the retractable protrusion is telescopically disposed in the retractable hole, the housing is further provided with a plurality of limiting protrusions, and the plurality of limiting protrusions are disposed on the first plane and above the retractable protrusion at intervals.

4. The clamping mechanism of claim 3, further comprising a pressure sensor and an alarm, wherein the pressure sensor is in signal connection with the alarm, and the pressure sensor is arranged at one end of the limiting convex column, which is far away from the shell.

5. The clamping mechanism as recited in claim 2, wherein said abutting end is provided with a groove, said telescoping post being capable of entering and snapping into said groove.

6. The clamping mechanism as claimed in claim 1, wherein said fixing member comprises two spaced-apart flanges and a hinge shaft disposed between said flanges, said clamping jaw is hinged to said hinge shaft, and both sides of said clamping jaw are respectively abutted against said flanges.

7. The clamping mechanism as claimed in claim 1, wherein said connecting bracket is provided with two connecting plates, said clamping jaw assemblies are two in number, two said clamping jaw assemblies are respectively mounted on two said connecting plates, and two said clamping jaw assemblies are arranged in parallel and spaced apart.

8. The clamping mechanism as claimed in claim 1, wherein the positioning member comprises a fixing bolt, a connecting rod and a positioning sub-member, one end of the connecting rod is connected with the mechanical arm, the other end of the connecting rod is connected with the positioning sub-member, the connecting rod is provided with a positioning hole, the positioning sub-member is provided with a mounting hole, the fixing bolt passes through the positioning hole to be locked to the mounting hole, and the positioning sub-member is arranged between the two clamping jaw assemblies.

9. The clamping mechanism according to claim 7, further comprising a bending plate and horizontal clamping jaw assemblies, wherein one end of the bending plate is connected to the mechanical arm, the other end of the bending plate is connected to the horizontal clamping jaw assemblies, and the horizontal clamping jaw assemblies and the two clamping jaw assemblies are arranged at intervals along the same circumference.

10. The clamping mechanism as recited in claim 1, further comprising a positioning bolt, wherein said attachment bracket is provided with a positioning hole through which said positioning bolt is mounted to said robotic arm.