CN211248147U

CN211248147U - Fixing device of forging die seat

Info

Publication number: CN211248147U
Application number: CN201922118850.2U
Authority: CN
Inventors: 张召庆; 雷海峰; 柏秀泉
Original assignee: Chongqing Jixin Machinery Co ltd
Current assignee: Chongqing Jixin Machinery Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-14
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a fixing device of a forging die holder, which comprises a bottom plate arranged on the table top of a forging device, wherein the bottom plate is provided with four positioning sleeves, each positioning sleeve is respectively provided with a threaded hole, and four positioning blocks are movably arranged on the bottom plate through the threaded holes of bolts and the positioning sleeves and are used for clamping various different forging die holders to be placed on the bottom plate; and a plurality of criss-cross grid lines are further distributed on the upper surface of the bottom plate and used for rapidly positioning the forging die holder in the middle of the bottom plate. The utility model discloses simple structure is applicable to various different mould die holders to change efficiency and machining precision have been improved.

Description

Fixing device of forging die seat

Technical Field

The utility model belongs to the technical field of gear machining, concretely relates to fixing device of forging and pressing die seat.

Background

In the existing gear forging processing technology, a forging die and equipment are connected and fixed by connecting a die holder with a press plate through a threaded hole, and the die holder is pressed tightly, when the die is switched, the die holder is frequently replaced to cause internal thread galling on the die holder, the internal thread galling influences the forging stability, the die holder needs to be repaired, and the equipment is stopped for waiting for a long time, so that the production efficiency is influenced. And because the special die is designed according to different tooth blank products in the tooth blank forging, the forging die holders are different in size, the fixing devices corresponding to the forging die holders are replaced, and the replaced forging die holders are required to be ensured to be positioned at the central positions, so that the time consumption for fixing the forging die holders is long.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a fixing device of forging die seat.

The purpose of the utility model can be realized by the following technical scheme:

a fixing device for a forging die holder comprises a bottom plate arranged on a table board of forging equipment, wherein four positioning sleeves are arranged on the bottom plate, each positioning sleeve is respectively provided with a threaded hole, and four positioning blocks are movably arranged on the bottom plate through threaded holes of the positioning sleeves and bolts and are used for clamping various different forging die holders to be placed on the bottom plate; and a plurality of criss-cross grid lines are further distributed on the upper surface of the bottom plate and used for rapidly positioning the forging die holder in the middle of the bottom plate.

Furthermore, the two grid lines passing through the center of the bottom plate are marked by different colors or different lines.

Furthermore, a positioning boss is arranged at the center of the bottom of the forging die holder, and a positioning groove matched with the positioning boss of the forging die holder is further arranged at the center of the bottom plate.

Furthermore, the angle between the axes of each adjacent positioning sleeve is a right angle, and the axes of each positioning sleeve pass through the center of the bottom plate.

Furthermore, the bottom plate is further provided with four limiting grooves, each limiting groove is arranged along the axis of each positioning sleeve, the four positioning blocks are all arranged in the limiting grooves, and each positioning block is in sliding fit with the limiting groove.

Furthermore, a spring connected with the bottom of the positioning block is arranged in the limiting groove, and the spring is arranged on one side, close to the center of the bottom plate, of the positioning block.

Furthermore, a groove used for being matched with a screw rod of the bolt is formed in the positioning block.

Furthermore, an elastic rubber pad is arranged between the positioning block and the screw rod of the bolt.

Furthermore, a metal gasket is arranged between the elastic rubber pad and the bolt.

The utility model has the advantages that: the utility model has the advantages of simple structure, four locating piece clamping die holders through movable mounting on the bottom plate to set up the gridline on the bottom plate, be convenient for fix a position the central point with the mould die holder fast and put, avoided appearing the deviation between mould die holder and the upper die base, guarantee the parts machining precision. Therefore, the utility model discloses, not only be applicable to the quick replacement of various different mould die holders, and improved change efficiency and machining precision.

The center of the bottom of the forging die holder is provided with a positioning boss, and the center of the bottom plate is also provided with a positioning groove matched with the positioning boss of the forging die holder. Further be convenient for fix a position fast through location boss and constant head tank, but also play certain limiting displacement, prevented that forging die seat from removing, improved the machining precision.

The limiting groove is internally provided with a spring connected with the bottom of the positioning block, and the spring is beneficial to supporting the elastic force of the positioning block at one end of the sliding groove far away from the center of the bottom plate, so that the die is convenient to replace.

And an elastic rubber pad is arranged on the contact surface of the positioning block and the bolt. The elastic rubber pad reduces the impact force generated when the forging and pressing equipment works and directly transmits the impact force to the threaded connection surface of the sleeve and the bolt so as to buffer the impact force and reduce the thread galling condition.

And a metal gasket is arranged between the elastic rubber mat and the bolt. The metal gasket sets up the purpose when fixed mould, with the in-process of the tight roof of bolt top, prevents that the bolt is direct and elastic rubber mat frictional contact, damage elastic rubber mat.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of the present invention installed on the top of a forging apparatus;

fig. 4 is a schematic view of the bolt, the locking nut and the clamping plate of the present invention.

In the figure: the device comprises a base plate 1, a positioning block 2, a bolt 3, a positioning sleeve 4, a locking nut 5, a limiting groove 6, a spring 7, an elastic rubber pad 8, a metal gasket 9, grid lines 10, a forging die holder 11, a clamping plate 12 and a forging device table board 13.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the fixing device for the forging die holder comprises a bottom plate 1, a positioning block 2 and a bolt 3, wherein the bottom plate 1 is arranged on a table top 13 of forging equipment, four positioning sleeves 4 are arranged on the bottom plate 1, the angle between the axes of the adjacent positioning sleeves 4 is a right angle, and the axes of the positioning sleeves 4 pass through the center of the bottom plate 1. Threaded holes are respectively formed in each positioning sleeve 4, and the four positioning blocks 2 are movably mounted on the base plate 1 through the matching of the bolts 3 and the threaded holes of the positioning sleeves 4 and are used for clamping various different forging and pressing die seats 11 to be placed on the base plate 1. In this embodiment, each bolt 3 is provided with a locking nut 5, the positioning block 2 is mounted on the bottom plate 1 through the locking nuts 5 and the bolts 3, and the positioning block can be locked more firmly by using the locking nuts 5.

The upper surface of the bottom plate 1 is also distributed with a plurality of criss-cross grid lines 10, which are used for rapidly positioning the forging and pressing die base in the middle of the bottom plate. This gridline 10 can also increase the frictional force between bottom plate and the forging die seat, has prevented that the forging die seat from appearing the skew man-hour, has improved the machining precision, and wherein, two gridlines through bottom plate 1 center adopt different colours or different lines mark, can find the bottom plate center fast through different colours and different lines, have improved machining precision and efficiency.

Possibly, in this embodiment, the bottom plate 1 is further provided with four limiting grooves 6, each limiting groove 6 is disposed along an axis of each positioning sleeve 4, the four positioning blocks 2 are all installed in the limiting grooves 6, and each positioning block 2 is in sliding fit with the limiting groove 6. Furthermore, a spring 7 connected with the bottom of the positioning block is arranged in the limiting groove 6, and the spring 7 is arranged on one side of the positioning block close to the center of the bottom plate 1. The spring helps to elastically support the positioning block at one end of the sliding groove far away from the center of the bottom plate, so that the mold is convenient to replace.

Possibly, in this embodiment, the positioning block 2 is provided with a groove for matching with the screw of the bolt 3. Furthermore, an elastic rubber pad 8 is arranged between the positioning block 2 and the screw rod of the bolt 3. Possibly, a metal gasket 9 is also arranged between the elastic rubber pad 8 and the bolt 3.

Possibly, in this embodiment, the center of the bottom of the forging die holder 11 is provided with a positioning boss, and the center of the bottom plate is further provided with a positioning groove for matching with the positioning boss of the forging die holder. The positioning boss of the forging die holder can be matched with the positioning groove of the bottom plate, so that the forging die holder can be quickly installed on the bottom plate.

Referring to fig. 3 and 4, in the present embodiment, a clamping plate 12 in an L shape for fixing the bottom plate to the table of the forging apparatus is sleeved on each bolt 3, and the clamping plate 12 is fixed to the positioning sleeve 4 by a locking nut 5 connected to the bolt 3. The clamp plate 12 is convenient for fixing the device on the table-board 13 of the forging equipment, and the stability of the die in forging is improved. The connecting edge of the clamping plate 12 and the bolt 3 is provided with a strip-shaped through hole parallel to the connecting edge, and the width of the strip-shaped through hole is larger than or equal to the diameter of the bolt 3 and smaller than the diameter of the locking nut 5. The design purpose of the strip-shaped through hole is to facilitate the adjustment of the mounting position of the clamping plate 12, namely to adapt to the thickness of different forging equipment platforms 13 so as to mount the device on the forging equipment platforms 13. Or threaded holes are respectively formed in the bottom plate 1 and the forging equipment table-board 13, and the bottom plate 1 is fixed on the forging equipment table-board 13 through fastening bolts.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fixing device of forging die seat, is including setting up the bottom plate on the forging apparatus mesa, its characterized in that: the bottom plate is provided with four positioning sleeves, each positioning sleeve is provided with a threaded hole, and the four positioning blocks are movably arranged on the bottom plate through bolts and the threaded holes of the positioning sleeves and are used for clamping various different forging and pressing die seats to be placed on the bottom plate; and a plurality of criss-cross grid lines are further distributed on the upper surface of the bottom plate and used for rapidly positioning the forging die holder in the middle of the bottom plate.

2. A fixing device of a forging die holder according to claim 1, wherein: wherein, two grid lines passing through the center of the bottom plate are marked by different colors or different lines.

3. A fixing device of a forging die holder according to claim 1, wherein: the center of the bottom of the forging die holder is provided with a positioning boss, and the center of the bottom plate is also provided with a positioning groove matched with the positioning boss of the forging die holder.

4. A fixing device of a forging die holder according to claim 1, wherein: the angle between the axis of each adjacent positioning sleeve is a right angle, and the axis of each positioning sleeve passes through the center of the bottom plate.

5. A fixing device of a forging die holder according to claim 1, wherein: the bottom plate is further provided with four limiting grooves, each limiting groove is arranged along the axis of each positioning sleeve, the four positioning blocks are all arranged in the limiting grooves, and each positioning block is in sliding fit with the corresponding limiting groove.

6. The fixture of a forging die holder according to claim 5, wherein a spring connected to the bottom of the locating block is provided in the limiting groove, and the spring is provided on a side of the locating block near the center of the bottom plate.

7. A fixing device of a forging die holder according to claim 1, wherein: and the positioning block is provided with a groove matched with a screw rod of the bolt.

8. A fixing device of a forging die holder according to claim 1 or 7, wherein: and an elastic rubber cushion is arranged between the positioning block and the screw rod of the bolt.

9. The fixture of a forging die holder according to claim 8, wherein a metal washer is further disposed between the elastic rubber pad and the bolt.