CN216138045U

CN216138045U - Industrial robot connecting piece and cold heading forming die thereof

Info

Publication number: CN216138045U
Application number: CN202122155203.6U
Authority: CN
Inventors: 庞金伟
Original assignee: Zhejiang Zhongyun Machinery Technology Co ltd
Current assignee: Zhejiang Zhongyun Machinery Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-29
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an industrial robot connecting piece, which comprises a cylindrical part main body, wherein the part main body is provided with a mounting hole, a plurality of welding blocks which are uniformly distributed in the circumferential direction are arranged on the side surface of the part main body, so that the connecting effect of the connecting piece on the industrial robot is improved, and a cold heading forming die of an industrial robot connecting piece, which comprises an upper die base and a lower die base, wherein the upper die base is connected with a cold heading oil cylinder, the upper die holder is provided with a plurality of upper die blocks with different shapes, the lower die holder is provided with a plurality of fixed modules corresponding to the upper die spans, the fixed modules are respectively provided with mould cavities with different shapes, the lower die base is connected with a plurality of lower modules in a sliding way, each lower module corresponds to one fixed module, one end of the lower module extends into the die cavity, and the lower module is connected with a first oil cylinder, so that the forming quality of the connecting piece is improved.

Description

Industrial robot connecting piece and cold heading forming die thereof

Technical Field

The utility model belongs to the field of metal connecting pieces and cold heading equipment thereof, and particularly relates to a cold heading forming die for an industrial robot connecting piece.

Background

Industrial robot possesses a plurality of rotatable joints to realize the ascending free motion in all directions in the space, and industrial robot has a connecting piece between two adjacent knuckle arms, connecting piece among the prior art is the ring of thickening usually, then with two sides on the ring respectively with two knuckle arms between welded fastening, but welding effect is poor, and the ring is once cold-heading shaping, the shaping quality is poor, lead to ring life to reduce, increase processing robot's maintenance cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the industrial robot connecting piece and the cold heading forming die thereof, which can improve the cold heading quality of the connecting piece and the connecting effect of the connecting piece on the industrial robot.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an industrial robot connecting piece, includes cylindric part main part, be provided with the mounting hole in the part main part, be provided with the welding piece of a plurality of circumference equipartitions on the side of part main part.

Further, the width of the welding block is smaller than that of the part body, and the welding block is flush with one side face of the part body.

Furthermore, a groove corresponding to the mounting hole is formed in a plane, which is flush with the part block, of the part main body.

The utility model provides a cold-heading forming die of industrial robot connecting piece, includes upper die base and die holder, be connected with the cold-heading hydro-cylinder on the upper die base, be provided with the last module of a plurality of different shapes on the upper die base, be provided with a plurality of fixed module that correspond the mould and stride on the die holder, be provided with the die cavity of different shapes on a plurality of fixed module respectively, sliding connection has a plurality of lower modules on the die holder, and every lower module corresponds a fixed module respectively, the one end of module stretches into the die cavity down, be connected with first hydro-cylinder on the module down.

Furthermore, sliding connection has counter bore module and through-hole module on the upper die base, counter bore module and through-hole module correspond one respectively and go up the module, and be provided with penetrating module chamber on the last module that corresponds, counter bore module and through-hole module protractile module intracavity, be connected with the second hydro-cylinder respectively on counter bore module and the through-hole module.

Further, the upper module is in threaded connection with the upper die base.

Further, the side section of the fixed module is trapezoidal.

Furthermore, a guide post is arranged on the lower die base, and the upper die base is connected with the guide post in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that: a plurality of welding blocks on the side edge of the part main body are welded with the articulated arm of the robot, and the welding blocks are melted and mixed with welding flux during welding, so that the welding effect of the part main body on the articulated arm is improved, a blank is subjected to multiple cold heading forming by using a cold heading die, the quality of a finished product connecting piece is guaranteed, the service life of the connecting piece is prolonged, and the maintenance cost is reduced.

Drawings

Fig. 1 is a schematic front view of a joint of an industrial robot according to the utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the cold heading die of the present invention;

fig. 4 is a front cross-sectional view of one of the stationary modules in the cold heading die.

Reference numerals: 1. a part body; 2. mounting holes; 3. welding the blocks; 4. a groove; 5. an upper die holder; 6. a lower die holder; 7. a cold heading oil cylinder; 8. an upper module; 9. a fixed module; 10. a mold cavity; 11. a lower module; 12. a first cylinder; 13. a counter bore module; 14. a through-hole module; 15. a module cavity; 16. a second cylinder; 17. and (6) a guide pillar.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 4.

The utility model provides an industrial robot connecting piece, includes cylindric part main part 1, be provided with mounting hole 2 on the part main part 1, be provided with the welding piece 3 of a plurality of circumference equipartitions on the side of part main part 1.

As shown in fig. 1 and 2, when the connector is used, the connector is connected with a rotating shaft on one of the joint arms through the mounting hole 2 and then welded with the other joint arm through the welding block 3 on the side surface of the main body 1 of the connector, and when the connector is welded, a part of the welding block 3 is melted together with the welding flux, so that the connection effect between the main body 1 of the connector and the joint arms is improved after cooling, and the service life of the connector is prolonged.

As shown in fig. 1, preferably, there are three welding blocks 3, so that a certain connecting space is ensured between the welding blocks 3.

As shown in fig. 2, in the present embodiment, preferably, the width of the welding block 3 is smaller than the width of the component body 1, the welding block 3 is flush with one side surface of the component body 1, that is, the side surface abuts against the surface of the joint arm when connecting, and when the welding block 3 and the solder are melted, the welding block can penetrate between the side surface and the surface of the joint arm, so that the inside of the side surface and the joint arm are welded together, and a cavity is prevented from being formed inside, thereby improving the connection effect of the connection member.

As shown in fig. 2, in the preferred embodiment, a groove 4 corresponding to the mounting hole 2 is formed on a plane of the part body 1 flush with the part block, and before the part body 1 is welded to the articulated arm, a sealing material can be filled in the groove 4, so that the connection between the two articulated arms is sealed, and the connection effect between the two articulated arms is improved.

The utility model provides a cold-heading forming die of industrial robot connecting piece, includes upper die base 5 and die holder 6, be connected with cold-heading hydro-cylinder 7 on the upper die base 5, be provided with the last module 8 of a plurality of different shapes on the upper die base 5, be provided with a plurality of fixed module 9 that the mould strides on corresponding on the die holder 6, be provided with the die cavity 10 of different shapes on a plurality of fixed module 9 respectively, sliding connection has a plurality of lower modules 11 on the die holder 6, and every lower module 11 corresponds a fixed module 9 respectively, the one end of lower module 11 stretches into in the die cavity 10, be connected with first hydro-cylinder 12 on the lower module 11.

As shown in fig. 3, the fixed module 9 preferably has 6 blocks, that is, the connecting member is formed by 6 times of cold heading.

As shown in fig. 3 and 4, during cold heading, a blank is placed in a die cavity 10 of the leftmost fixed die block 9, a lower die block 11 below the fixed die block 9 extends into the die cavity 10 through a first oil cylinder 12 and is abutted against the bottom surface of the blank, then a cold heading oil cylinder 7 is started to move an upper die base 5 downwards, when an upper die block 8 on the upper die base 5 extends into the die cavity 10 and is abutted against the blank, cold heading is started on the blank, the outer contour of the blank is formed into the same shape as the die cavity 10, one-time cold heading is completed, the blank is taken out and placed in the die cavity 10 of the next fixed die block 9, the blank is molded when being extruded by the upper die block 10 and supported by the lower die block 11, a finished product is formed after multiple times of cold heading, the molding quality is high, the service life of a connecting piece is prolonged, and different blanks can be simultaneously stamped in a plurality of fixed die blocks 9, the stamping efficiency is improved.

As shown in fig. 3, in the preferred embodiment, a counter bore module 13 and a through hole module 14 are slidably connected to the upper die base 5, the counter bore module 13 and the through hole module 14 respectively correspond to one upper die block 8, and a through die cavity 15 is provided on the corresponding upper die block 8, the counter bore module 13 and the through hole module 14 can extend into the die cavity 15, the counter bore module 13 and the through hole module 14 are respectively connected with a second oil cylinder 16, when the blank is extruded by the upper die block 8 corresponding to the counter bore module 13, the second oil cylinder 16 can drive the counter bore module 13 to extend into the die cavity 15 and punch the blank, and then the through hole module 14 punches the mounting hole 2 in the counter bore of the blank through the same steps, so as to form a finished product.

The preferred threaded connection between last module 8 and the upper die base 5 of this embodiment, the convenience is dismantled and is changed module 8.

As shown in fig. 4, the cross section of the side surface of the fixing module 9 is preferably trapezoidal, so that the anti-extrusion capability of the fixing module 9 is improved, and the blank is prevented from deforming the die cavity 10 when being extruded in the die cavity 10, thereby preventing the quality of the finished connecting piece from being affected.

As shown in fig. 3, a guide post 17 is disposed on the lower die holder 6, and the upper die holder 5 is slidably connected to the guide post 17, that is, the guide post 17 ensures the pressing precision of the upper die holder 5, so as to improve the quality of cold heading on a blank.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. An industrial robot connecting piece characterized in that: including cylindric part main part, be provided with the mounting hole in the part main part, be provided with the welding piece of a plurality of circumference equipartitions on the side of part main part.

2. The industrial robot joint according to claim 1, characterized in that: the width of the welding block is smaller than that of the part main body, and the welding block is flush with one side face of the part main body.

3. The industrial robot joint according to claim 2, characterized in that: and a groove corresponding to the mounting hole is formed in the plane flush with the part block on the part main body.

4. The utility model provides a cold-heading forming die of industrial robot connecting piece which characterized in that: including upper die base and die holder, be connected with the cold-heading hydro-cylinder on the upper die base, be provided with the last module of a plurality of different shapes on the upper die base, be provided with a plurality of fixed module that correspond the mould and stride on the die holder, be provided with the die cavity of different shapes on a plurality of fixed module respectively, sliding connection has a plurality of lower modules on the die holder, and every lower module corresponds a fixed module respectively, the one end of lower module stretches into the die cavity, be connected with first hydro-cylinder on the module down.

5. The cold-heading forming die for industrial robot connecting pieces according to claim 4, characterized in that: the upper die base is connected with a counter bore module and a through hole module in a sliding mode, the counter bore module and the through hole module correspond to one upper module respectively, a penetrating module cavity is formed in the corresponding upper module, the counter bore module and the through hole module can stretch into the module cavity, and the counter bore module and the through hole module are connected with a second oil cylinder respectively.

6. The cold-heading forming die for industrial robot connecting pieces according to claim 5, characterized in that: and the upper module is in threaded connection with the upper die base.

7. The cold-heading forming die for industrial robot connecting pieces according to claim 6, wherein: the side section of the fixed module is trapezoidal.

8. The cold-heading forming die for industrial robot connecting pieces according to claim 7, characterized in that: the lower die base is provided with a guide pillar, and the upper die base is connected with the guide pillar in a sliding mode.