Steel ball forming clamping device
Technical Field
The utility model belongs to the technical field of bearing accessory production facility, especially, relate to a device is got to steel ball shaping clamp.
Background
Each set of bearing is provided with one or more groups of rolling bodies which are arranged between the inner ring and the outer ring and play the role of each transmission force of rolling. The rolling elements are load bearing parts whose shape, size and number determine the load bearing capacity of the bearing, each high speed running performance. The rolling bodies are typically steel balls or rollers. The traditional production process flow of the steel ball is ball blank forming → endless belt removing → coarse grinding → soft grinding → heat treatment → ball blank forming → photosphere (or filing → soft grinding) → hard grinding → fine grinding (or polishing) → ultra-fine grinding, and the ball blank forming in the prior art is to place drawn wire rods into a steel ball cold header and perform upsetting to form ball blanks by a steel die in the machine. When the existing die for producing the ball blank is used for opening and closing the upper die and the lower die, the steel ball blank needs to be manually clamped, the potential safety hazard is high, the operation is complex, and the steel ball blank needs to be closed and opened after accurate alignment, so that the steel ball after production is not beneficial to extraction, and the working efficiency during the whole production is reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a device is got to steel ball shaping clamp, through the lifting unit that both ends are connected with last mould, lower mould respectively, through slider, arm, the tight slider of clamp of mutual coupling in proper order, through pressing from both sides tight slider and press from both sides tight stock, realize only needing to push down through controlling on the mould and rise, realize need not the manual work and participated in the shaping technology of ball, guarantee workman's personal safety.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a steel ball forming clamping device comprises:
the lower die is connected in the base, and the top of the lower die is recessed downwards to form a lower molding cavity;
and the upper die is characterized in that the bottom of the upper die is recessed downwards to form an upper forming cavity, the upper die is opposite to the lower die through a lifting assembly and moves up and down, and the upper forming cavity and the lower forming cavity form a product cavity when being connected.
As a preferred aspect of the present invention, the lifting assembly includes:
the sliding block is connected with the upper die and can move up and down relative to the upper die;
the clamping slide block is connected with the lower die and can move close to and away from the lower die;
the upper end of the mechanical arm is connected with the sliding block, and the lower end of the mechanical arm is connected with the clamping sliding block.
Preferably, in the present technical solution, the lifting assemblies are circumferentially arrayed on the lower mold and the upper mold, and the lifting assemblies are provided with at least 2 sets.
Preferably, in the technical scheme, an upper limiting groove is formed in the outer surface of the upper die in an inward concave mode, and the sliding block is connected with the upper limiting groove in a sliding mode.
Preferably, when the sliding block is connected with the top of the upper limiting groove, the distance between the mechanical arm and the outer surface of the upper limiting groove is greater than zero
Preferably, the base is provided with a guide groove corresponding to the clamping slide block, and the clamping slide block is slidably connected with the guide groove.
Preferably, in the present invention, the clamping slider includes an insertion portion and a sliding portion, the insertion portion is disposed close to the lower mold, the sliding portion is connected to an end of the insertion portion away from the lower mold, and a thickness of the sliding portion is greater than a thickness of the insertion portion.
Preferably, the upper die is provided with an upper through hole which is communicated with the lower die from top to bottom at the central axis, and the lower die is provided with a lower through hole which is communicated with the lower die from top to bottom at the central axis.
Through implementing above-mentioned technical scheme, the utility model discloses following advantage has:
1. the blank is clamped through the clamping slide block, the mechanical arm and the clamping slide block which are sequentially and mutually coupled through the lifting component of which the two ends are respectively connected with the upper die and the lower die, so that the blank can be pressed and lifted by controlling the upper die, the blank forming process can be completed without manual participation, and the personal safety of workers is guaranteed.
2. Through slider and last spacing groove and mutually supporting, press from both sides tight slider and guide way and mutually support and realize going up the relative lower mould of mould and move in vertical direction, and the axis of going up the mould and the axis point of lower mould coincide all the time, guarantee to go up the accurate counterpoint back closure of mould and lower mould and open, guarantee that the position is accurate.
3. Through the mutual cooperation of the sliding block and the upper limiting groove, the clamping sliding block and the guide groove are mutually matched, only pressure and tension are applied in the vertical direction, and no external force is applied to the joint of the clamping sliding block and the mechanical arm.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a cross-sectional view of the present application in an initial position.
Fig. 3 is a cross-sectional view of the present application in an intermediate stage state.
FIG. 4 is a cross-sectional view of the present application in a steel ball blank forming position.
The device comprises 01 parts of a blank, 02 parts of a ball blank, 1 part of a lower die, 2 parts of a base, 3 parts of a lower forming cavity, 4 parts of an upper die, 5 parts of an upper forming cavity, 6 parts of a lifting assembly, 7 parts of a sliding block, 8 parts of a clamping sliding block, 9 parts of a mechanical arm, 10 parts of an upper limiting groove, 11 parts of a guide groove, 12 parts of an inserting part, 13 parts of a sliding part, 14 parts of an upper through hole, 15 parts of a lower through hole.
Detailed Description
The present invention is further illustrated below with reference to specific examples and experimental data. It should be understood that the embodiments of the present invention are only used for illustrating the present invention, and not for limiting the present invention, and various substitutions and changes made according to the common technical knowledge and the conventional means in the field without departing from the technical idea of the present invention should be included in the scope of the present invention.
Example 1
At present, a press machine forges a steel ball and clamps a steel bar by hand pliers, because the upper die and the lower die of the steel ball are generally spherical surfaces, the steel bar cannot stand straight, an unskilled operator crushes the hand pliers easily, and even safety accidents can be caused when the steel bar is serious.
As shown in fig. 1 to 4, a steel ball forming and clamping device includes:
the lower die 1 is connected in the base 2, and the top of the lower die 1 is recessed downwards to form a lower forming cavity 3.
Go up mould 4, go up mould 4 bottom recess downwards and form into the die cavity 5, go up mould 4 and do the up-and-down motion through lifting unit 6 relative lower mould 1, form the finished product chamber when last die cavity 5 is connected with lower die cavity 3.
The lifting assembly 6 comprises:
and the slide block 7 is connected with the upper die 4, and can move up and down relative to the upper die 4.
And the clamping slide block 8 and the slide block 7 are connected with the lower die 1 and can move close to and away from the lower die 1.
The upper end of the mechanical arm 9 is connected with the sliding block 7, and the lower end of the mechanical arm 9 is connected with the clamping sliding block 8.
As shown in FIG. 2, in the initial position of the present application, the slide 7 is located at the lowest point of the upper limiting groove 10 to drive the mechanical arm 9, so that the clamping slide 8 clamps the blank 01.
As shown in fig. 3, the upper mold 4 is moved down to contact the blank 01, the slide 7 and the lifting assembly 6 are stationary, the upper mold 1 is moved down to contact the blank 01, and the highest point of the upper limit groove 10 is in contact with the slide 7. The outer surface of the upper die 4 is provided with an upper limiting groove 10 in an inward concave mode, and the sliding block 7 is connected with the upper limiting groove 10 in a sliding mode. In this position, the clamping slide 8 clamps the blank 01, keeping the entire lifting assembly 6 stationary by means of the friction between the clamping slide 8 and the guide groove 11, without the aid of external forces.
Meanwhile, when the sliding block 7 is connected with the top of the upper limiting groove 10, the distance between the mechanical arm 9 and the outer surface of the upper limiting groove 10 is larger than zero. Prevent the mutual interference between each part.
As shown in fig. 4, the upper mold 4 is moved downward, the slide 7 in the upper limit groove 10 is slid upward, and after abutting against the top of the upper limit groove 10, the clamping slide 8 is slid outward. The base 2 is provided with a guide groove 11 corresponding to the clamping slide block 8, and the clamping slide block 8 is connected with the guide groove 11 in a sliding manner. And is limited and guided by the guide groove 11, so that the mechanical arm 9 moves outwards to drive the clamping slide block 8, and the clamping slide block 8 releases the blank 01 to clamp and convert the blank 01 into the upper and lower clamping of the upper die 4 and the lower die 1. And pressing the upper die 4 and the lower die 1 of the final blank 01 into a ball blank 02, and finally forming.
Through slider 7 and last spacing groove 10 mutually supporting, press from both sides tight slider 8 and guide way 11 mutually supporting and realize going up mould 4 and move in vertical direction relatively lower mould 1, and go up the axis of mould 4 and coincide all the time of the axis point of lower mould 1, guarantee to go up mould 4 and lower mould 1 accurate counterpoint back closure and open, guarantee that the position is accurate.
Further, lifting unit 6 circumference array sets up on lower mould 1 and last mould 4, and lifting unit 6 sets up 2 at least groups.
Further, the clamping slide 8 comprises an insertion portion 12 and a sliding portion 13, the insertion portion 12 is disposed close to the lower die 1, the sliding portion 13 is connected to one end of the insertion portion 12 away from the lower die 1, and the thickness of the sliding portion 13 is greater than that of the insertion portion 12.
An upper through hole 14 which is through up and down is arranged at the central axis of the upper die 4, and a lower through hole 15 which is through up and down is arranged at the central axis of the lower die 1.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description of the invention, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.