CN211515593U

CN211515593U - Modular drawing roller die

Info

Publication number: CN211515593U
Application number: CN201922164515.6U
Authority: CN
Inventors: 龚晓叁; 李纬; 朱华明
Original assignee: Guangzhou Zhongshan Precision Technology Co Ltd
Current assignee: Guangzhou Zhongshan Precision Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-18
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a roller mould is drawn to moduleization contains mould bedplate, four cross groove subassemblies, four quantization devices and four roller subassemblies, and four cross groove subassemblies constitute criss-cross groove jointly, and quantization devices are installed respectively to four notches of cross groove, quantization devices contain install in the apron of notch, install in the lead screw of apron center countersunk screw hole and through screw and the quantization indicating disc that sets screw fixation in lead screw upper portion, the bottom of lead screw is provided with cylinder flange and joint in the roller subassembly, the roller subassembly can lead to the inslot and follow lead screw axial translation, the roller subassembly contains the U-shaped support, two axle overlaps respectively has bearing and installs on the U-shaped support.

Description

Modular drawing roller die

Technical Field

The utility model relates to a draw the roller mould field, specifically indicate to have a module to draw the roller mould.

Background

The section bar is an object with a certain geometric shape, which is made of iron or steel and materials with certain strength and toughness through the processes of rolling, extruding, casting and the like. The drawing process of sectional material is a plastic working method which uses external force to act on the front end of the metal to be drawn and draws the metal blank out of the die hole smaller than the section of the blank to obtain the product with corresponding shape and size.

At present, a cross roller die or a Turkish head die used in a metal section drawing process has a plurality of places which are inconvenient to operate. Firstly, the adjustment of the processing amount is not quantized, and the adjustment of the processing amount in each time only depends on the operation experience or hand feeling of a mold adjusting worker; secondly, the roller bracket and the roller are only simply attached, and the roller bracket and the roller are enabled to act on the material for forming by pressure during working, but the roller can be separated from the bracket during the reverse adjustment and auxiliary working period, the roller can be collided and damaged, and the collision is particularly serious when the sectional material is taken out; and thirdly, the maintenance of the die is difficult, and if the roller is replaced or other parts of the die are damaged, more parts need to be disassembled, and the work preparation time is long.

The utility model discloses a draw roller mould is designed to the problem that foretell prior art exists the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a roller mould is drawn to the moduleization can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a modular drawing roller die comprises a die seat plate, four cross slot assemblies, four quantification devices and four roller assemblies.

A through hole is formed in the center of the mold base plate, and a positioning ring is arranged in the through hole of the mold base plate;

the die seat plate is provided with a sunken groove, and the cross groove assembly is arranged in the sunken groove of the die seat plate and is fixedly positioned on the die seat plate through screws and positioning pins; the four cross groove components jointly form a cross groove which is used as an installation and working space of the roller component, and the cross groove comprises through grooves respectively facing to the upper direction, the lower direction, the left direction and the right direction;

the four notches of the cross groove are respectively provided with a quantization device, the quantization device comprises a cover plate arranged on the notches, a screw rod arranged in a countersunk threaded hole in the center of the cover plate and a quantization indicating disc fixed on the upper part of the screw rod through threads and a fastening screw, the center of the cover plate is provided with a central countersunk hole, the edge of the central countersunk hole of the cover plate is etched with scale marks, the screw rods are respectively arranged in the central countersunk holes of the cover plate, and the bottom end of the screw rod is provided with a cylindrical flange and is clamped with a roller wheel assembly;

the roller wheel assembly comprises a U-shaped support, a stop block, a needle bearing and a roller wheel, the roller wheel assembly can axially translate along the screw rod in the through groove, the U-shaped support is sleeved with the roller wheel through the needle bearing, a T-shaped groove is formed in one end, facing the screw rod, of the U-shaped support, and the cylindrical flange is clamped in the T-shaped groove.

Furthermore, the cross slot assembly is in a shape of a quarter circle, the cross slot assembly is provided with a baffle, and the two corresponding cross slot assemblies form one of the through slots.

Furthermore, a threaded hole matched with the screw rod is formed in the center of the cover plate, and the screw rod can be rotated to drive the roller wheel assembly to slide in the through groove.

Furthermore, the quantification indicating disc can be adjusted in a rotating mode, is arranged outside the screw rod, and is provided with indicating lines on the surface in a carved mode, and the scale lines are arranged on the edge of the counter bore in the center of the cover plate.

Further, the quantification indicating disc is provided with a threaded hole in the side direction, and the threaded hole is locked with a set screw.

Further, the cover plate is mounted to the counter bore by corresponding screws to be fixed to the end of the cross recess.

Furthermore, a stop block is arranged at the arc top end of the U-shaped support, an arc surface of the stop block and a minor arc groove of the U-shaped support form a major arc groove together, and the needle roller bearing is arranged in the major arc groove.

The utility model has the advantages that:

1, the novel roller die is convenient to maintain: the whole die adopts the concept of function modularization, and the realization of each function adopts the modularized design, so that when maintenance is needed, only the corresponding module needs to be disassembled, and the maintenance is extremely convenient; for example, once the roller assembly needs to be serviced, the entire roller assembly is retracted by merely rotating the lead screw, and then the baffles are released and the roller assembly can be removed from the mold and vice versa.

2, a processing quantification adjusting device is provided: the scale indicating dial and the quantitative indicating dial are additionally arranged on the existing machining amount adjusting device, so that the zero-returning operation and the quantitative indication of the machining amount can be realized, and the experience dependence on operators is reduced.

3, effectively avoiding the non-working damage of the roller wheel: in the scheme that this patent provided, the major arc inslot that constitutes jointly at the rolling wheel and the bearing 43 running roller at both ends is laid at by U-shaped support and dog to the running roller, and the major arc groove has spacingly to it, so whole roller assembly can advance and retreat jointly along with the needs of technology, has avoided the inoperative damage of running roller.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention.

Fig. 2 is a schematic structural plan view of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic structural diagram of a quantization apparatus.

Fig. 5 is a sectional view B-B of fig. 4.

Fig. 6 is a schematic structural view of the roller assembly.

Fig. 7 is a cross-sectional view taken along line C-C of fig. 6.

1. Die base plate 11 positioning ring

2. Cross slot assembly 21 baffle

3. Quantization adjusting device 31, cover plate 32, screw 33, quantization indicating disc 34 and scale mark

35. Cylindrical flange

4. Roller assembly 41, U-shaped bracket 42, stopper 43, needle bearing 44 and roller

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to fig. 1-7, a modular drawing roller die comprises a die base plate 1, four cross groove assemblies 2, four quantizing devices 3 and four roller assemblies 4, wherein a through hole is formed in the center of the die base plate 1, and a positioning ring 11 is arranged in the through hole of the die base plate 1;

the die seat plate 1 is provided with a sunk groove, and the cross groove component 2 is arranged in the sunk groove of the die seat plate 1 and is fixedly positioned on the die seat plate 1 through screws and positioning pins; the four cross groove components 2 form a cross groove together to serve as an installation and working space of the roller component 4, and the cross groove comprises through grooves which respectively face to the upper direction, the lower direction, the left direction and the right direction; the cross slot assembly 2 is in a shape of a quarter circle, the baffle 21 is arranged on the cross slot assembly 2, and two corresponding cross slot assemblies 2 form one through slot.

The four notches of the cross groove are respectively provided with a quantization device 3, the quantization device 3 comprises a cover plate 31 arranged on the notches, a screw rod 32 arranged in a countersunk threaded hole in the center of the cover plate 31 and a quantization indicating disc 33 fixed on the upper part of the screw rod 32 through threads and fastening screws, the center of the cover plate 31 is provided with a central countersunk hole, the edge of the central countersunk hole of the cover plate 31 is etched with a scale mark 34, the screw rod 32 is respectively arranged in the central countersunk hole of the cover plate 31, and the bottom end of the screw rod 32 is provided with a cylindrical flange 35 and is clamped with the roller wheel assembly 4;

the cover plate 31 is provided with a threaded hole in the center thereof, the threaded hole is matched with the screw rod 32, the roller assembly 4 can be driven to slide in the through groove by rotating the screw rod 32, the quantification indicating disc 33 can be adjusted in a rotating manner, is arranged outside the screw rod 32, and is provided with indicating lines on the surface thereof, and the scale mark 34 is arranged on the edge of a counter bore in the center of the cover plate 31.

The quantization indicating disc 33 is provided with a threaded hole in the side direction thereof, and a fastening screw is locked in the threaded hole.

The cover plate 31 is fixed to the end of the cross recess by being mounted to the counter bore with corresponding screws.

The roller assembly 4 comprises a U-shaped bracket 41, a stopper 42, a needle bearing 43 and a roller 44, and can axially translate along the screw rod in the through groove, the U-shaped bracket 41 is sleeved with the roller 44 through the needle bearing 43, one end of the U-shaped bracket 41 facing the screw rod 32 is provided with a T-shaped groove, and the cylindrical flange 35 is clamped in the T-shaped groove.

A stopper 42 is arranged at the top end of the circular arc of the U-shaped bracket 41, the circular arc surface of the stopper 42 and the minor arc groove of the U-shaped bracket 41 jointly form a major arc groove, and the needle roller bearing 43 is arranged in the major arc groove.

The working principle is as follows:

1. assembly installation: firstly, independently assembling the 4 main modules; assembling the four cross slot assemblies 2 on the die seat plate 1 by using screws and positioning pins; assembling the four quantizing devices 3 to corresponding positions of the four cross-slot assemblies 2 by using screws; fourthly, the four roller assemblies 4 are sleeved on the quantification device 3 through the T-shaped grooves on the U-shaped supports 41; and fifthly, assembling the baffle plate 21 on the cross slot component 2.

2. And (3) installing the die on the machine table through the die base plate 1 through the installation holes at four corners of the die base plate.

3. By rotating the screw 32, the entire roller assembly 2 is retracted and the wire rod of the previous process is passed through the die hole.

4. Rotating the screw rod 32 to move the roller assembly 2 forward to contact the wire rod, then loosening the fastening screw on the quantitative indicating disc 33, rotating the quantitative indicating disc 33 to make the indicating line align with the 0 value of the scale mark 34 on the cover plate 31, and then fastening the fastening screw;

5. the apparatus is started and the screw 32 is slowly rotated while observing the position indicated by the quantifying means 3, until the roller assembly 2 is advanced to the process work.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.

Claims

1. The utility model provides a roller mould is drawn to moduleization, contains mould bedplate, four cross groove subassemblies, four quantization apparatus and four roller subassembly, its characterized in that:

the four notches of the cross groove are respectively provided with a quantization device, the quantization device comprises a cover plate arranged on the notches, a screw rod arranged in a countersunk threaded hole in the center of the cover plate and a quantization indicating disc fixed on the upper part of the screw rod through threads and a fastening screw, the center of the cover plate is provided with a central countersunk hole, scale marks are etched on the edge of the central countersunk hole, the screw rod is respectively arranged in the central countersunk hole of the cover plate, and the bottom end of the screw rod is provided with a cylindrical flange and is clamped with the roller wheel assembly;

2. A modular drawing roller die according to claim 1, characterized in that: the cross slot assembly is in a quarter circle shape, the cross slot assembly is provided with a baffle, and the two corresponding cross slot assemblies form one of the through slots.

3. A modular drawing roller die according to claim 1, characterized in that: the center of the cover plate is provided with a threaded hole matched with the screw rod, and the screw rod can be rotated to drive the roller wheel assembly to slide in the through groove.

4. A modular drawing roller die according to claim 3, characterized in that: the quantitative indicating disc is rotatably adjusted, is arranged outside the screw rod, and is provided with indicating lines on the surface in a carved mode, and the scale lines are arranged on the edge of the counter bore in the center of the cover plate.

5. The modular drawing roller die of claim 4, wherein: the quantization indicating disc is provided with a threaded hole in the side direction, and the threaded hole is locked with a locking screw.

6. A modular drawing roller die according to claim 1, characterized in that: the cover plate is mounted to the counter bore through corresponding screws so as to be fixed to the end of the cross recess.

7. A modular drawing roller die according to claim 1, characterized in that: the needle roller bearing is characterized in that a stop block is arranged at the top end of the circular arc of the U-shaped support, the circular arc surface of the stop block and the minor arc groove of the U-shaped support form a major arc groove together, and the needle roller bearing is arranged in the major arc groove.