CN218697618U

CN218697618U - Tool for assisting machining of oil grooves of ejector rod

Info

Publication number: CN218697618U
Application number: CN202222996769.6U
Authority: CN
Inventors: 马长海; 朱海波; 徐益民
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model belongs to the technical field of the frock of supplementary ejector pin processing oil groove on the grinding machine technique and specifically relates to a frock of supplementary ejector pin oil groove processing. Install the drum on the base, seted up on the periphery wall of drum and pulled out the pearl hole a plurality ofly, every pulls out and installs in the pearl hole rather than the complex pearl of pulling out, installs the internal thread drum in the inner chamber of drum, wears to be equipped with ejector pin spare in the inner chamber of internal thread drum, and ejector pin spare passes through locking Assembly and installs on the internal thread drum. The tooling is adopted to fix the ejector rod to process the oil groove, so that the danger caused by the insecure fixation of an operator by holding or using other clamping tools is eliminated; the crank is pushed to improve the uniformity of the oil groove spacing; the thread angle of the internal thread cylinder is changed and is the same as the angle alpha of the upper part and the lower part of the base, so that the thread space processing error caused by manual angle adjustment is greatly reduced; the use of this frock has improved the machining efficiency and the processingquality of ejector pin oil groove.

Description

Tool for assisting machining of oil grooves of ejector rod

Technical Field

The utility model belongs to the technical field of the frock technique of supplementary ejector pin processing oil groove on the grinding machine and specifically relates to a frock of supplementary ejector pin oil groove processing.

Background

With the rapid development of the automobile lamp industry, the mold modeling structure is more and more complex, and the requirements of products are higher and higher. The smooth surface of the ejector rod can cause serious surface abrasion of the ejector rod during the ejection action of the die, thereby causing the problem of the dead locking of the ejector rod. In order to increase the wear resistance of the ejector rod, the wear resistance of the ejector rod can be increased in a mode of increasing an oil groove on the ejector rod in the die manufacturing process, so that the condition that the ejector rod is clamped when the die is ejected is avoided.

But the frock is fixed insecure when carrying out ejector pin oil groove processing in current frock, has certain danger in the course of working, and factor of safety is lower, and the interval homogeneity of oil groove on the ejector pin is relatively poor moreover.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a simple and easy efficient ejector pin oil groove processingequipment to realize the frock of the supplementary ejector pin oil groove processing of processing the ejector pin oil groove on the grinding machine.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a frock of supplementary ejector pin oil groove processing, includes lathe workstation and base, installs the drum on the base, has seted up a plurality of pearl holes of pulling out on the periphery wall of drum, every pulls out the downthehole pearl of installing rather than the complex of pearl and pulls out, installs the internal thread drum in the inner chamber of drum, wears to be equipped with ejector pin spare in the inner chamber of internal thread drum, and ejector pin spare passes through locking Assembly and installs on the internal thread drum.

Further, the base is divided into an upper base and a lower base, an angle alpha is formed between the side edge of the upper base in the length direction and the side edge of the lower base in the length direction, and the angle alpha is a machining angle of the oil groove of the ejector rod.

Furthermore, the locking assembly comprises a plurality of threaded holes and internal thread cylinder fixing screws, the threaded holes are formed in the circumference of the internal thread cylinder and penetrate through the wall of the internal thread cylinder, the internal thread cylinder fixing screws are installed in the threaded holes, and the internal thread cylinder fixing screws abut against the ejector rod piece.

Furthermore, the one end joint of drum has the locating washer, and the locating washer is close to the one end setting of grinding machine, and the locating washer passes through the gasket set screw and installs on the drum.

Further, the diameter of the inner hole in the positioning gasket is equal to that of the ejector rod piece.

Further, the thread angle of the internal thread cylinder is the same as the angle alpha between the upper part and the lower part of the base.

Furthermore, an integral structure is arranged between the upper base and the lower base or a split structure is arranged between the upper base and the lower base.

Furthermore, the ball pulling hole penetrates through the wall of the cylinder and is communicated with the inner cavity of the cylinder.

Furthermore, the machine tool workbench is movably connected with the base.

Furthermore, one end of the ejector rod piece is sleeved with a rocking handle, and a rocking handle is installed on the rocking handle.

The utility model has the advantages that: 1. the utility model adopts the tool to fix the mandril to process the oil groove, thus eliminating the danger caused by the insecure fixation of the operating personnel by hand-held processing or other clamping tools;

2. the crank is pushed to improve the uniformity of the oil groove spacing;

3. the thread pitch processing error caused by manual angle adjustment is greatly reduced by changing the thread angle of the internal thread cylinder and enabling the thread angle of the internal thread cylinder to be the same as the angle alpha of the upper part and the lower part of the base;

4. the use of this frock has improved the machining efficiency and the processingquality of ejector pin oil groove.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a view showing the usage state of the present invention;

in the figure: 1. the tool comprises a positioning gasket, 2 parts of a gasket fixing screw, 3 parts of a pull bead, 4 parts of a pull bead hole, 5 parts of a cylinder, 6 parts of an internal thread cylinder, 7 parts of an internal thread cylinder fixing screw, 8 parts of a threaded hole, 9 parts of a rocking handle, 10 parts of a rocking handle, 11 parts of a push rod piece, 12 parts of a base, 121 parts of an upper base, 122 parts of a lower base and 13 parts of a machine tool workbench.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1:

as shown in fig. 1-2, the tool for assisting the machining of the oil groove of the ejector rod comprises a machine tool workbench 13 and a base 12, wherein the machine tool workbench 13 is in magnetic fixed connection with the base 12, a cylinder 5 is installed on the base 12, a plurality of ball pulling holes 4 are formed in the peripheral wall of the cylinder 5, a ball pulling 3 matched with each ball pulling hole is installed in each ball pulling hole 4, the ball pulling holes 4 penetrate through the wall of the cylinder 5 and are communicated with the inner cavity of the cylinder 5,

an internal thread cylinder 6 is installed in an inner cavity of the cylinder 5, a mandril piece 11 penetrates through the inner cavity of the internal thread cylinder 6, the mandril piece 11 is installed on the internal thread cylinder 6 through locking of a locking assembly, a rocking handle 9 is sleeved at one end of the mandril piece 11, the rocking handle 9 is far away from a grinding machine, and a rocking handle 10 is installed on the rocking handle 9.

Wherein, according to the demand of the oil groove on the member of top 11, change internal thread drum 6, satisfy different angles and screw thread interval processing demand.

As shown in fig. 2, the base 12 is divided into an upper base 121 and a lower base 122, an integral structure or the upper base 121 is arranged between the upper base 121 and the lower base 122, an angle α is formed between a side edge of the upper base 121 in the length direction and a side edge of the lower base 122 in the length direction, and the angle α is a processing angle of the oil groove of the lift pin.

The thread angle of the internal thread cylinder 6 is the same as the angle alpha between the upper part and the lower part of the base 12, so that the fixed angle between the base 12 and the machine tool workbench 13 does not need to be adjusted during the machine operation.

The locking assembly comprises a plurality of threaded holes 8 and internal thread cylinder fixing screws 7, the threaded holes 8 are formed in the circumference of the internal thread cylinder 6 and penetrate through the wall of the internal thread cylinder 6, the internal thread cylinder fixing screws 7 are installed in the threaded holes 8, and the internal thread cylinder fixing screws 7 abut against the ejector rod piece 11.

One end joint of drum 5 has locating washer 1, and locating washer 1 is close to the one end setting of grinding machine, and locating washer 1 passes through gasket fixed screw 2 to be installed on drum 5. In addition, the diameter of the inner hole in the positioning gasket 1 is equal to the diameter of the ejector rod piece 11, namely the size of the inner hole of the positioning gasket 1 is determined according to the diameter of the ejector rod piece 11, and the positioning gaskets 1 of various types can be manufactured to meet the requirements of machining and positioning of ejector rod pieces 11 with different sizes, so that the applicability of the tool is improved.

The working process is as follows:

step 1: the positioning gasket 1 is clamped with the cylinder 5, and then the positioning gasket 1 is fixed through a gasket fixing screw 2;

step 2: selecting an internal thread cylinder 6 with required specification, inserting the internal thread cylinder 6 into an inner cavity of a cylinder 5, inserting a bead pulling hole 4 into a bead pulling 3, and ensuring smooth sliding of the internal thread cylinder 6 in the machining process through the bead pulling 3;

and step 3: the ejector rod piece 11 penetrates through the holes of the rocking handle 9, the internal thread cylinder 6, the cylinder 5 and the positioning gasket 1, the internal thread cylinder fixing screw 7 is screwed into the internal thread cylinder threaded hole 8 and used for fixing the ejector rod piece 11, and the rocking handle 10 is fixedly connected to the rocking handle 9 and pushes the internal thread cylinder 6;

and 4, step 4: the tool is installed on a machine tool workbench 13 of the grinding machine, the grinding machine is started, the rocking handle 9 is manually shaken at a constant speed, the ejector rod piece 11 is pushed to move and feed towards the grinding tool direction of the grinding machine, and an oil groove which is consistent with the thread on the outer surface of the internal thread cylinder 6 is formed in the rod body of the ejector rod piece 11.

Example 2:

the difference from example 1 is that: the upper base 121 and the lower base 122 are of a split structure, and the angle between the upper base 121 and the lower base 122 can be adjusted according to the angle required by the oil groove on the ejector rod piece 11.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The utility model provides a frock of supplementary ejector pin oil groove processing, includes lathe workstation (13) and base (12), its characterized in that: base (12) on install drum (5), seted up on the periphery wall of drum (5) and a plurality ofly pulled out pearl hole (4), every pulls out installs in pearl hole (4) and pulls out pearl (3) rather than the complex, installs internal thread drum (6) in the inner chamber of drum (5), wears to be equipped with ejector pin spare (11) in the inner chamber of internal thread drum (6), ejector pin spare (11) are installed on internal thread drum (6) through locking Assembly locking.

2. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: the base (12) is divided into an upper base (121) and a lower base (122), an angle alpha is formed between the side edge of the upper base (121) in the length direction and the side edge of the lower base (122) in the length direction, and the angle alpha is a machining angle of the mandril oil groove.

3. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: the locking assembly comprises a plurality of threaded holes (8) and internal thread cylinder fixing screws (7), the threaded holes (8) are formed in the circumference of the internal thread cylinder (6) and penetrate through the wall of the internal thread cylinder (6), the internal thread cylinder fixing screws (7) are installed in the threaded holes (8), and the internal thread cylinder fixing screws (7) abut against the ejector rod piece (11).

4. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: one end joint of drum (5) have locating washer (1), locating washer (1) is close to the grinding machine, locating washer (1) is installed on drum (5) through gasket set screw (2).

5. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 4, wherein: the diameter of an inner hole on the positioning gasket (1) is equal to that of the ejector rod piece (11).

6. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 2, wherein: the thread angle of the internal thread cylinder (6) is the same as the angle alpha between the upper part and the lower part of the base (12).

7. The tooling for assisting the oil groove processing of the ejector rod according to claim 2, is characterized in that: the upper base (121) and the lower base (122) are of an integral structure or a split structure.

8. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: the ball pulling hole (4) penetrates through the wall of the cylinder (5) and is communicated with the inner cavity of the cylinder (5).

9. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: the machine tool workbench (13) is movably connected with the base (12).

10. The tool for assisting the machining of the oil groove of the ejector rod as claimed in claim 1, wherein: one end of the ejector rod piece (11) is sleeved with a rocking handle (9), and a rocking handle (10) is installed on the rocking handle (9).