CN213891419U

CN213891419U - Die height adjusting device

Info

Publication number: CN213891419U
Application number: CN202022716416.7U
Authority: CN
Inventors: 耿治成
Original assignee: Shanghai Senqi Intelligent Equipment Co ltd
Current assignee: Shanghai Senqi Intelligent Equipment Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-06
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of die height adjustment, and relates to a die height adjusting device, which comprises a driving piece, a rotating mechanism, an eccentric wheel, an installation shaft, a sliding piece, a lower toggle joint and a shaft hole arranged on the lower toggle joint, wherein the installation shaft is arranged in the shaft hole, and the rotating mechanism is arranged at the output end of the driving piece to rotate under the action of the driving piece; the eccentric wheel is installed on the installation axle, and slider fixed mounting is on the installation axle, and eccentric wheel and rotary mechanism swing joint, and rotary mechanism drive the eccentric wheel and rotate to change the position of installation axle center, thereby change the distance between axle center and the shaft hole center of installation axle, and then change the distance of slider and shaft hole center, realize the regulation of die-filling height. The utility model discloses in, the device simple structure need not other locking oil pressure unit, can reduce the regulation degree of difficulty and the loaded down with trivial details degree of slider die-filling height, and the regulative mode is simple, can also improve the convenient degree of regulation of die-filling height.

Description

Die height adjusting device

Technical Field

The utility model belongs to the technical field of the mould height is adjusted, especially, relate to a mould height adjusting device.

Background

The press machine can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. Presses, such as toggle presses, typically employ a toggle mechanism in the machine to drive a slide to enable reciprocating movement of the slide. The distance (also called die filling height) between the bottom surface of the sliding block and the workbench is usually adjusted by an existing shaft joint type machine through a wedge mechanism, but the adjustment in the mode is complicated, an oil pressure device needs to be locked, and the adjustment of the die filling height is not convenient enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a mould height adjusting device, the device simple structure need not other locking oil pressure unit, can reduce the regulation degree of difficulty and the loaded down with trivial details degree of slider die-filling height, and the regulative mode is simple, can also improve the convenient degree of regulation of die-filling height.

The utility model provides a mould height adjusting device has adopted as follows technical scheme:

the die height adjusting device comprises a driving piece, a rotating mechanism, an eccentric wheel, an installation shaft, a sliding piece, a lower toggle joint and a shaft hole formed in the lower toggle joint, wherein the installation shaft is installed in the shaft hole, and the rotating mechanism is arranged at the output end of the driving piece and rotates under the action of the driving piece; the eccentric wheel is arranged on the mounting shaft, the sliding part is fixedly arranged on the mounting shaft, the eccentric wheel is movably connected with the rotating mechanism, and the rotating mechanism drives the eccentric wheel to rotate so as to change the position of the shaft center of the mounting shaft, change the distance between the shaft center of the mounting shaft and the center of the shaft hole and further change the distance between the sliding part and the center of the shaft hole, and realize the adjustment of the die filling height (the distance between the bottom surface of the sliding part and the workbench).

The utility model discloses in, the device includes driving piece, rotary mechanism, eccentric wheel, installation axle and slider, simple structure is favorable to saving the process when making to reduce the cost of manufacture; the installation shaft is installed in the shaft hole, and when the die height is adjusted, the height between the shaft hole on the lower toggle and the workbench is unchanged. The driving piece provides driving force, the driving rotary mechanism rotates, the eccentric wheel is movably connected with the rotary mechanism and driven by the rotary mechanism to rotate, the eccentric wheel is installed on the installation shaft, and the installation shaft does not rotate when the eccentric wheel rotates. In the whole process, an additional locking oil pressure device is not needed, the adjusting difficulty and the complexity of the die filling height of the sliding part can be reduced, the adjusting mode is simple, and the adjusting convenience of the die filling height can be improved.

Further, the outside of slider is provided with the mount pad, and rotary mechanism installs on the mount pad, and the driving piece is installed on the lateral wall of mount pad, and the driving piece is the speed reducer, provides drive power for rotary mechanism.

Further, the rotating mechanism comprises a worm and bearings symmetrically arranged on the worm; the bearing is preferably a thrust shaft bearing and is used for balancing the axial movement of the worm so as to improve the movement stability of the worm; the mounting seat is provided with a first through hole penetrating through the left end and the right end of the mounting seat, the worm is arranged in the first through hole through a bearing, and the output end of the driving piece extends into the first through hole and is fixedly connected with the worm so as to drive the worm to rotate; in order to facilitate the connection of the eccentric wheel and the worm, the top of the first through hole is provided with an opening, the eccentric wheel is meshed with the worm, the eccentric wheel is driven by the worm to move in the opening range, the eccentric wheel is an eccentric worm wheel, and the connecting structure of the worm wheel and the worm can convert the rotary motion into the linear motion of the mounting shaft and the sliding piece, so that the die filling height of the sliding piece can be adjusted.

Further, in order to balance the rotation motion of the worm and improve the motion stability of the worm, worm copper sleeves are symmetrically arranged at two ends of the worm.

Furthermore, two side walls of the sliding part are provided with symmetrical mounting holes, the sliding part is mounted on the mounting shaft through the mounting holes, and the end part of the mounting shaft extends out of the mounting holes; the eccentric wheel is positioned on the end part of the mounting shaft and is positioned on the same side with the rotating mechanism, in particular the worm. Wherein the slide is preferably a slider.

Furthermore, the bottom surface of the sliding part is provided with a first mounting position and second mounting positions located on two sides of the first mounting position, a middle die cushion is fixedly mounted in the first mounting position, an inclined die cushion and an adjusting mechanism are mounted in the second mounting position, and the adjusting mechanism is movably connected with the inclined die cushion to adjust the inclined die cushion to move back and forth in the second mounting position so as to finely adjust the die filling height of the inclined die cushion.

Further, the first mounting position is a first mounting groove which is inwards recessed on the bottom surface of the sliding piece.

Further, the second mounting position is a second mounting groove which is inwards recessed on the bottom surface of the sliding part, and the second mounting groove is arranged on two sides of the first mounting groove.

Furthermore, the adjusting mechanism comprises an adjusting bolt, an adjusting sleeve and an adjusting nut, a second through hole is formed in the sliding piece and communicated with the second mounting position, the adjusting bolt is mounted in the second through hole through the adjusting sleeve, the adjusting sleeve is located on the upper portion of the adjusting bolt, and the top end of the adjusting bolt extends out of the adjusting sleeve; it has the nut mounting groove to open on one side that oblique die cushion is close to adjusting bolt, adjusting nut fixed mounting is in the nut mounting groove, adjusting nut and adjusting bolt swing joint, adjusting bolt rotate and make adjusting nut move about on adjusting bolt to the drawing oblique die cushion is toward (toward the direction that is close to adjusting bolt) or promote oblique die cushion backward (toward the direction of keeping away from adjusting bolt) motion, so, the die filling height that can the oblique die cushion of fine adjustment. Wherein, the adjusting nut is preferably a T-shaped nut.

Further, the bottom surface of the inclined die cushion is an inclined plane, so that when the inclined plane cushion is adjusted to move in the second installation position, the height of the bottom surface of the inclined die cushion on a station from the working table top can be adjusted by a small amount, the adjustment of the small amount of die filling heights of the stations formed on the inclined die cushions on the left side and the right side of the middle die cushion is realized, and the adjustment difficulty can be reduced.

Compared with the prior art, the utility model provides a mould height adjusting device mainly has following beneficial effect:

in the die height adjusting device, the mounting shaft is arranged in the shaft hole, when the die height is adjusted, the height between the shaft hole on the lower toggle joint and the workbench is not changed, the driving piece provides driving force to drive the rotating mechanism to rotate, the eccentric wheel is movably connected with the rotating mechanism, and is driven by the rotating mechanism to rotate, the eccentric wheel is arranged on the mounting shaft, based on the characteristics of the eccentric wheel, the axis position of the mounting shaft is in the rotating process of the eccentric wheel, offset relative to the center of the shaft hole, thereby changing the distance between the axis of the mounting shaft and the center of the shaft hole, thereby adjusting the whole installation shaft to move up or down in the shaft hole, meanwhile, as the sliding piece is fixedly arranged on the installation shaft, therefore, the distance between the sliding part and the center of the shaft hole is changed, so that the sliding part can move up or down along with the mounting shaft to realize the adjustment of the die filling height of the sliding part. In the whole process, an additional locking oil pressure device is not needed, the adjusting difficulty and the complexity of the die filling height of the sliding part can be reduced, the adjusting mode is simple, and the adjusting convenience of the die filling height can be improved.

Drawings

In order to illustrate the solution of the present invention more clearly, the drawings needed for describing the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:

fig. 1 is a schematic structural diagram of a die height adjusting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a first cross-sectional structural schematic of FIG. 1;

FIG. 4 is a second cross-sectional structural view of FIG. 1;

FIG. 5 is a schematic bottom view of the structure of FIG. 1;

FIG. 6 is a schematic diagram of the inclined die pad of FIG. 1;

FIG. 7 is a schematic view of the eccentric wheel of FIG. 1;

the reference numbers in the drawings are as follows:

1. a drive member; 2. a rotation mechanism; 21. a worm; 22. a bearing; 23. a worm copper sleeve; 3. an eccentric wheel; 31. an installation part; 32. an engaging portion; 4. installing a shaft; 5. a slider; 51. a second mounting location; 6. a mounting seat; 61. a first through hole; 62. opening a hole; 7. an intermediate die pad; 8. an inclined die pad; 81. a nut mounting groove; 9. an adjustment mechanism; 91. adjusting the bolt; 92. an adjusting sleeve; 93. adjusting the nut;

01. a lower toggle joint; 02. and an upper toggle.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or position illustrated in the drawings, which are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "comprising" and "having" and any variations thereof in the description of the invention are intended to cover non-exclusive inclusions; the terms "first", "second", and the like in the description of the present invention are used for distinguishing different objects, not for describing a specific order.

In the description of the present invention, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the utility model provides a die height adjusting device, as shown in fig. 1, the die height adjusting device includes a driving member 1, a rotating mechanism 2, an eccentric wheel 3, an installation shaft 4, a sliding member 5 and a shaft hole (not shown) arranged on a lower toggle 01, the installation shaft 4 is arranged in the shaft hole, the rotating mechanism 2 is arranged at the output end of the driving member 1 to rotate under the action of the driving member 1; the eccentric wheel 3 is installed on the installation shaft 4, the sliding part 5 is fixedly installed on the installation shaft 4, the eccentric wheel 3 is movably connected with the rotating mechanism 2, and the rotating mechanism 2 drives the eccentric wheel 3 to rotate so as to change the position of the axis of the installation shaft 4, so that the distance between the axis of the installation shaft 4 and the center of the shaft hole is changed, the distance between the sliding part 5 and the center of the shaft hole is further changed, and the adjustment of the die filling height (the distance between the bottom surface of the sliding part 5 and the workbench) is realized.

The utility model discloses in, the device includes driving piece 1, rotary mechanism 2, eccentric wheel 3, installation axle 4 and slider 5, simple structure is favorable to saving the process when making to reduce the cost of manufacture.

The device can be applied to a toggle type press, a mounting shaft 4 is arranged in a shaft hole of a lower toggle 01, the lower toggle 01 is movably connected with an upper toggle 02, when the die height is adjusted, the height of the center of the shaft hole on the lower toggle 01 from a workbench is not changed, a driving piece 1 provides driving force to drive a rotating mechanism 2 to rotate, an eccentric wheel 3 is movably connected with the rotating mechanism 2 and driven by the rotating mechanism 2 to rotate, the eccentric wheel 3 is arranged on the mounting shaft 4, and the mounting shaft 4 does not rotate when the eccentric wheel 3 rotates, the shaft center position of the mounting shaft 4 is offset relative to the shaft hole center in the rotating process of the eccentric wheel 3 based on the characteristics of the eccentric wheel 3, thereby the distance between the shaft center of the mounting shaft 4 and the shaft hole center can be changed, the whole mounting shaft 4 can slightly move up or down in the shaft hole, meanwhile, because a sliding piece 5 is fixedly arranged on the mounting shaft 4, therefore, the distance between the slide member 5 and the center of the shaft hole is also changed, and therefore, the slide member 5 can slightly move up or down following the mounting shaft 4 to achieve the adjustment of the die height of the slide member 5. In the whole process, an additional locking oil pressure device is not needed, the adjusting difficulty and the complexity of the die filling height of the sliding part 5 can be reduced, the adjusting mode is simple, and the adjusting convenience of the die filling height can be improved.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

In one embodiment, as shown in fig. 1 and 2, a mounting seat 6 is provided on an outer side of the sliding member 5, the rotating mechanism 2 is mounted on the mounting seat 6, the driving member 1 is mounted on an outer side wall of the mounting seat 6, and the driving member 1 is a speed reducer for providing a driving force for the rotating mechanism 2.

In one embodiment, as shown in fig. 2 and 3, the rotation mechanism 2 comprises a worm 21 and bearings 22 symmetrically arranged on the worm 21; the bearing 22 is preferably a thrust shaft bearing for balancing the axial movement of the worm 21 to improve the movement stability of the worm 21; the mounting seat 6 is provided with a first through hole 61 penetrating through the left end and the right end of the mounting seat 6, the worm 21 is mounted in the first through hole 61 through a bearing 22, and the output end of the driving piece 1 extends into the first through hole 61 and is fixedly connected with the worm 21 so as to drive the worm 21 to rotate; in order to facilitate the connection between the eccentric wheel 3 and the worm 21, the top of the first through hole 61 is provided with an opening 62, the first through hole 61 is communicated with the opening 62, the eccentric wheel 3 is meshed with the worm 21, the eccentric wheel 3 is driven by the worm 21 to move within the range of the opening 62, the eccentric wheel 3 is an eccentric worm wheel, and the connecting structure of the worm wheel and the worm is adopted, so that the rotary motion can be converted into the linear motion of the mounting shaft 4 and the sliding piece 5, and the die-filling height of the sliding piece 5 can be adjusted.

Specifically, as shown in fig. 7, the eccentric wheel 3 includes a mounting portion 31 and a meshing portion 32, the mounting portion 31 is in a hollow cylindrical shape, the meshing portion 32 is mounted on the mounting shaft 4 through the mounting portion 31, the meshing portion 32 may be integrally connected to an outer wall surface of the mounting portion 31, the meshing portion 32 meshes with the worm 21, and a circle center of an upper portion of the meshing portion 32 is different from a circle center of a lower portion of the meshing portion 32.

In one embodiment, as shown in fig. 2 and 3, in order to balance the rotation motion of the worm 21 and improve the motion stability of the worm 21, worm copper sleeves 23 are symmetrically installed on both ends of the worm 21.

In one embodiment, as shown in fig. 2, two side walls of the sliding member 5 are provided with symmetrical mounting holes (not shown), the sliding member 5 is mounted on the mounting shaft 4 through the mounting holes, and the end of the mounting shaft 4 extends out of the mounting holes; the eccentric 3 is located on the end of the mounting shaft 4 and on the same side as the rotating mechanism 2, in particular on the same side as the worm 21. Wherein the slide 5 is preferably a slide.

In one embodiment, as shown in fig. 1 and 5, the bottom surface of the sliding member 5 is provided with a first mounting position (not shown) and second mounting positions 51 located at two sides of the first mounting position, the first mounting position is fixedly provided with the middle die pad 7, the second mounting position 51 is provided with the inclined die pad 8 and the adjusting mechanism 9, and the adjusting mechanism 9 and the inclined die pad 8 are movably connected to adjust the forward and backward movement of the inclined die pad 8 in the second mounting position 51 so as to finely adjust the die-filling height of the inclined die pad 8.

Specifically, the first mounting position is a first mounting groove which is inwards recessed on the bottom surface of the sliding piece; the second mounting position 51 is a second mounting groove inwardly recessed on the bottom surface of the slider 5, and the second mounting groove is disposed at both sides of the first mounting groove.

In one embodiment, as shown in fig. 2, 4 to 6, the adjusting mechanism 9 includes an adjusting bolt 91, an adjusting sleeve 92 and an adjusting nut 93, the sliding member 5 is provided with a second through hole (not shown), the second through hole is communicated with the second mounting position 51, the adjusting bolt 91 is mounted in the second through hole through the adjusting sleeve 92, the adjusting sleeve 92 is located at the upper part of the adjusting bolt 91, and the top end of the adjusting bolt 91 extends out of the adjusting sleeve 92; it has nut mounting groove 81 to open on one side that oblique die cushion 8 is close to adjusting bolt 91, adjusting nut 93 fixed mounting is in nut mounting groove 91, adjusting nut 93 and adjusting bolt 91 swing joint, adjusting bolt 91 rotates and makes adjusting nut 92 move about on adjusting bolt 91, thereby pull oblique die cushion 8 forward (toward the direction that is close to adjusting bolt 91) or promote oblique die cushion 8 backward (toward the direction of keeping away from adjusting bolt 91) motion, so, can the dress mould height of oblique die cushion 8 of fine adjustment. Among them, the adjusting nut 93 is preferably a T-shaped nut.

In one embodiment, as shown in fig. 6, the bottom surface of the inclined die pad 8 is an inclined surface, so that when the inclined die pad 8 is adjusted to move in the second mounting position 51, the height of the bottom surface of the inclined die pad 8 at a station from the working table surface can be adjusted by a small amount, so that the adjustment of the small amount of die filling height of the stations formed on the inclined die pads 8 at the left and right sides of the middle die pad 7 can be realized, and the adjustment difficulty can also be reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The die height adjusting device is characterized by comprising a driving piece, a rotating mechanism, an eccentric wheel, an installation shaft, a sliding piece, a lower toggle joint and a shaft hole formed in the lower toggle joint, wherein the installation shaft is installed in the shaft hole, and the rotating mechanism is arranged at the output end of the driving piece and rotates under the action of the driving piece; the eccentric wheel is installed on the installation axle, slider fixed mounting is on the installation axle, eccentric wheel and rotary mechanism swing joint, and rotary mechanism drive the eccentric wheel and rotate to change the position of installation axle center, thereby change the distance between axle center and the shaft hole center of installation axle, and then change the distance at slider and shaft hole center, realize the regulation of die-filling height.

2. The die height adjusting device of claim 1, wherein the sliding member is provided with a mounting seat at an outer side thereof, the rotating mechanism is mounted on the mounting seat, and the driving member is mounted on an outer side wall of the mounting seat.

3. The die height adjusting device according to claim 2, wherein the rotating mechanism comprises a worm and bearings symmetrically arranged on the worm; the mounting seat is provided with a first through hole penetrating through the left end and the right end of the mounting seat, the worm is arranged in the first through hole through a bearing, and the output end of the driving piece extends into the first through hole and is fixedly connected with the worm so as to drive the worm to rotate; the top of the first through hole is provided with an opening, the eccentric wheel is meshed with the worm, and the eccentric wheel is driven by the worm to move in the opening range.

4. The die height adjusting device according to claim 3, wherein worm copper sleeves are symmetrically arranged on two ends of the worm.

5. The die height adjusting device according to claim 1, wherein symmetrical mounting holes are formed on both side walls of the slider, the slider is mounted on the mounting shaft through the mounting holes, and the end of the mounting shaft protrudes from the mounting holes; the eccentric wheel is positioned on the end part of the mounting shaft and is positioned on the same side with the rotating mechanism.

6. The die height adjusting device according to claim 1, wherein the bottom surface of the sliding member is provided with a first mounting position and second mounting positions located at two sides of the first mounting position, a middle die cushion is fixedly mounted in the first mounting position, an inclined die cushion and an adjusting mechanism are mounted in the second mounting position, and the adjusting mechanism is movably connected with the inclined die cushion to adjust the inclined die cushion to move in the second mounting position.

7. The die height adjusting apparatus according to claim 6, wherein the first mounting location is a first mounting groove recessed inward on a bottom surface of the slide member.

8. The die height adjusting apparatus according to claim 6, wherein the second mounting location is a second mounting groove recessed inwardly on the bottom surface of the slide member.

9. The die height adjusting device according to claim 6, wherein the adjusting mechanism comprises an adjusting bolt, an adjusting sleeve and an adjusting nut, a second through hole is formed in the sliding part, the second through hole is communicated with the second mounting position, the adjusting bolt is mounted in the second through hole through the adjusting sleeve, and the top end of the adjusting bolt extends out of the adjusting sleeve; the inclined die cushion is characterized in that a nut mounting groove is formed in one side, close to the adjusting bolt, of the inclined die cushion, the adjusting nut is mounted in the nut mounting groove and movably connected with the adjusting bolt, and the adjusting bolt rotates to enable the adjusting nut to move on the adjusting bolt, so that the inclined die cushion is driven to move.

10. The die height adjustment apparatus of claim 6, wherein the bottom surface of the inclined die pad is inclined.