CN209969342U

CN209969342U - Fine adjustment mechanism based on plate spring

Info

Publication number: CN209969342U
Application number: CN201822229297.5U
Authority: CN
Inventors: 郑丽珊; 聂宝华; 蒙宇; 陆敏莎; 黄婷婷
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-21
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a fine adjustment mechanism based on a plate spring, which comprises a fixed plate, a lower plate, an upper plate, a male die, a guide rod, an upper plate spring adjusting component, a lower plate spring adjusting component and a connecting piece; the guide rod is fixedly connected with the male die; go up leaf spring adjusting part and locate the hypoplastron, between the upper plate, the fixed plate is located to the lower leaf spring adjusting part, between the hypoplastron, it includes preceding regulating part to go up leaf spring adjusting part, back regulating part, the lower leaf spring adjusting part includes left regulating part, right regulating part, preceding regulating part, back regulating part, left regulating part, right regulating part is same component, left side regulating part includes lower fixing base, lower leaf spring, lower screw rod, the lower leaf spring both ends respectively with the hypoplastron, fixed plate fixed connection, be equipped with the second screw hole in the lower fixing base, lower screw rod passes second screw hole and lower leaf spring butt. The utility model discloses on the prerequisite of not dismantling the mould, can be fast conveniently finely tune the height of terrace die to shorten the time of transferring the mould, promoted work efficiency, reduced manufacturing cost.

Description

Fine adjustment mechanism based on plate spring

Technical Field

The utility model relates to a stamping die technical field, especially a fine-tuning based on leaf spring.

Background

In the multi-station progressive die, because the number of male dies is large, the heights of the male dies in all the working procedures (such as rolling, bending, flanging, stretching and the like) need to keep certain relative sizes. In the process of producing the die, the male dies are usually adjusted for many times due to machining errors and assembly errors so as to meet the requirements of the heights of the male dies. In the process of debugging the die, in order to meet the requirement on precision, the die needs to be repaired by polishing the edges of the male dies, so that the heights of other male dies need to be finely adjusted. For fine adjustment of the height of the male die, the existing mode is that a bench worker repeatedly assembles the male die and continuously tests the die, on one hand, the modification process needs to be continuously debugged, and meanwhile, the modification range is small so as to prevent the die from being scrapped due to excessive modification, so that the debugging workload is large, the modification time and manpower and material resources are large, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the fine adjustment mechanism based on the plate spring is capable of quickly and conveniently fine adjusting the height of the male die.

The utility model provides a solution of its technical problem is:

a fine adjustment mechanism based on a plate spring comprises a fixed plate, a lower plate, an upper plate, a male die, a guide rod, an upper plate spring adjusting assembly, a lower plate spring adjusting assembly and a connecting piece, wherein the fixed plate, the lower plate and the upper plate are sequentially arranged from bottom to top, and gaps are formed between the fixed plate and the lower plate and between the lower plate and the upper plate; the upper plate is provided with a guide hole, the lower plate is provided with an upper through hole, the fixing plate is provided with a lower through hole, and the guide hole, the upper through hole and the lower through hole are coaxially arranged; the lower end of the guide rod sequentially penetrates through the guide hole and the upper through hole from top to bottom and then is fixedly connected with the upper end of the male die, the guide rod is fixedly connected with the lower plate, the male die can move up and down in the lower through hole, and the guide rod is connected with the guide hole through a connecting piece; the upper plate spring adjusting assembly is arranged between a lower plate and an upper plate, the lower plate spring adjusting assembly is arranged between a fixed plate and the lower plate, the upper plate spring adjusting assembly comprises a front adjusting part and a rear adjusting part, the front adjusting part and the rear adjusting part are respectively and symmetrically arranged on the front side and the rear side of a guide rod, the front adjusting part and the rear adjusting part are the same component, the rear adjusting part comprises an upper fixing seat, an upper plate spring and an upper screw rod, the upper plate spring is backwards arched, the upper end and the lower end of the upper plate spring are respectively and fixedly connected with the upper plate and the lower plate, the upper plate spring and the upper fixing seat are arranged in parallel front and rear, the upper fixing seat is fixedly arranged on the lower plate, a first threaded hole is formed in the upper fixing seat, and the front end of the upper screw rod passes through the first threaded hole to be; lower leaf spring adjusting part includes left regulating part, right regulating part, left side regulating part, right regulating part symmetry respectively locate on the left side of guide arm, the right side, left side regulating part, right regulating part are same component, left side regulating part includes fixing base, lower leaf spring, lower screw rod down, the leaf spring is arch shape left down, the upper and lower both ends of leaf spring respectively with hypoplastron, fixed plate fixed connection down, fixing base, hypoplastron spring are down and set up side by side, the fixing base is fixed to be located on the fixed plate down, be equipped with the second screw hole in the fixing base down, the right-hand member of screw rod passes the surface butt that second screw hole and hypoplastron spring arch down.

As a further improvement of the technical scheme, the front end of the upper screw and the right end of the lower screw are both provided with arc-shaped abutting parts.

As a further improvement of the technical scheme, the rear end of the upper screw rod and the left end of the lower screw rod are both provided with a rotary handle.

As a further improvement of the above technical solution, the connecting member includes a pin cap and an elastic element, the pin cap is fixedly disposed at the upper end of the guide rod, the guide hole is a counter bore, the counter bore includes a large bore and a small bore which are sequentially communicated from top to bottom, the pin cap has a diameter smaller than that of the large bore and larger than that of the small bore, the guide rod has a diameter smaller than that of the small bore, and the elastic element is disposed between the pin cap and the counter bore.

As a further improvement of the above technical solution, the elastic element is a spring, and the upper and lower ends of the spring are respectively abutted against the pin cap and the bottom of the large hole.

As a further improvement of the above technical solution, the spring is a tower spring with a large bottom ring and a small top ring, the bottom ring of the tower spring abuts against the bottom of the large hole, and the top ring of the tower spring abuts against the lower end surface of the pin cap.

The utility model has the advantages that: the utility model provides a fine-tuning based on leaf spring can be through last leaf spring adjusting part, lower leaf spring adjusting part highly finely tune the terrace die, under the prerequisite of not dismantling the mould, can be fast conveniently to highly finely tune the terrace die to shorten the time of accent mould, promoted work efficiency, reduced manufacturing cost.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a sectional view of the present embodiment.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a fine adjustment mechanism based on a plate spring includes a fixed plate 100, a lower plate 130, an upper plate 140, a male die 110, a guide rod 120, an upper plate spring adjustment assembly, a lower plate spring adjustment assembly, and a connecting member, where the fixed plate 100, the lower plate 130, and the upper plate 140 are sequentially arranged from bottom to top, and gaps are provided between the fixed plate 100 and the lower plate 130, and between the lower plate 130 and the upper plate 140; a guide hole 141 is formed in the upper plate 140, an upper through hole is formed in the lower plate 130, a lower through hole is formed in the fixing plate 100, and the guide hole 141, the upper through hole and the lower through hole are coaxially arranged; the lower end of the guide rod 120 sequentially passes through the guide hole 141 and the upper through hole from top to bottom and then is fixedly connected with the upper end of the male die 110, the guide rod 120 is fixedly connected with the lower plate 130, the male die 110 can move up and down in the lower through hole, and the guide rod 120 is connected with the guide hole 141 through a connecting piece; the upper plate spring adjusting assembly is arranged between the lower plate 130 and the upper plate 140, the lower plate spring adjusting assembly is arranged between the fixing plate 100 and the lower plate 130, the upper plate spring adjusting assembly comprises a front adjusting part and a rear adjusting part, the front adjusting part and the rear adjusting part are respectively symmetrically arranged on the front side and the rear side of the guide rod 120, the front adjusting part and the rear adjusting part are the same component, the rear adjusting part comprises an upper fixing seat 151, an upper plate spring 152 and an upper screw 153, the upper plate spring 152 is backwards arched, the upper end and the lower end of the upper plate spring 152 are respectively fixedly connected with the upper plate 140 and the lower plate 130, the upper plate spring 152 and the upper fixing seat 151 are arranged in parallel front and back, the upper fixing seat 151 is fixedly arranged on the lower plate 130, a first threaded hole is arranged in the upper fixing seat 151, and the front end of the upper screw 153 passes through the first threaded hole to abut against the arched outer surface; lower leaf spring adjusting part includes left regulating part, right regulating part, left side regulating part, right regulating part symmetry respectively locate guide arm 120 on left side, the right side, left side regulating part, right regulating part are same component, left side regulating part includes lower fixing base 161, lower leaf spring 162, lower screw 163, leaf spring 162 is arch shape left down, the upper and lower both ends of leaf spring 162 are respectively with lower board 130, fixed plate 100 fixed connection down, lower fixing base 161, lower leaf spring 162 are about being set up side by side, lower fixing base 161 is fixed to be located on fixed plate 100, be equipped with the second screw hole in the lower fixing base 161, the right-hand member of lower screw 163 passes the outer surface butt that second screw hole and lower leaf spring 162 arch. The upper plate 140 and the fixing plate 100 are fixed, the front adjusting part, the rear adjusting part, the left adjusting part and the right adjusting part are the same component, and the height of the male die 110 can be adjusted by adjusting the front adjusting part and the rear adjusting part simultaneously or adjusting the left adjusting part and the right adjusting part simultaneously during adjustment; the adjustment operation is, for example, a left adjusting member, which rotates the lower screw 163 to the right, and the lower screw 163 makes the lower plate spring 162 arch up and down, pushing the lower plate 130 to move upward relative to the fixed plate 100, and the guide rod 120 drives the male die 110 to move upward due to the fixed connection between the guide rod 120 and the lower plate 130; when the male die 110 needs to be adjusted to move downwards, the lower plate spring 162 can be loosened to restore the original position, then the upper screw 153 is rotated forwards, the upper screw 153 enables the upper plate spring 152 to arch up and down, the lower plate 130 is pushed to move downwards relative to the upper plate 140, and the male die 110 moves downwards; the simultaneous operation adjustment of the left and right adjusting members, or the simultaneous operation adjustment of the front and rear adjusting members, achieves the smooth movement of the lower plate 130, and it can more precisely adjust the height of the male mold 110. The front adjusting piece and the rear adjusting piece are respectively symmetrically arranged on the front side and the rear side of the guide rod 120, the left adjusting piece and the right adjusting piece are respectively symmetrically arranged on the left side and the right side of the guide rod 120, and the front adjusting piece and the rear adjusting piece can be adjusted in the front and rear directions, so that the stress of the lower plate 130 is more even.

In a further preferred embodiment, the front end of the upper screw 153 and the right end of the lower screw 163 are both provided with arc-shaped contact portions. The front end of the upper screw 153 and the right end of the lower screw 163 are both provided with arc-shaped abutting parts which are matched with the arched parts of the upper plate spring 152 and the lower plate spring 162, so that when the upper screw 153 and the lower screw 163 are pushed, the contact areas of the upper plate spring 152 and the lower plate spring 162 are larger.

In a further preferred embodiment, the rear end of the upper screw 153 and the left end of the lower screw 163 are both provided with a rotating handle 170. In order to rotate the upper screw 153 and the lower screw 163 conveniently, the rear end of the upper screw 153 and the left end of the lower screw 163 are both provided with a rotating handle 170.

Further as a preferred embodiment, the connecting member includes a pin cap 121 and an elastic element 180, the pin cap 121 is fixedly disposed at the upper end of the guide rod 120, the guide hole 141 is a counter bore, the counter bore includes a large bore and a small bore which are sequentially communicated from top to bottom, the diameter of the pin cap 121 is smaller than that of the large bore and larger than that of the small bore, the diameter of the guide rod 120 is smaller than that of the small bore, and the elastic element 180 is disposed between the pin cap 121 and the counter bore. When the height of the male die 110 is adjusted downwards, the elastic element 180 is additionally arranged, and a certain elastic force exists between the guide rod 120 and the elastic element 180, so that on one hand, the vibration of the male die 110 and the guide rod 120 can be buffered; on the other hand, the punch 110 can be made to have elasticity that automatically rises.

In a further preferred embodiment, the elastic member 180 is a spring, and upper and lower ends of the spring are respectively in contact with the pin cap 121 and the bottom of the large hole. The elastic element 180 is a spring, and has a simple structure and is convenient to use.

In a further preferred embodiment, the spring is a tower spring having a large bottom ring and a small top ring, the bottom ring of the tower spring is in contact with the bottom of the large hole, and the top ring of the tower spring is in contact with the lower end surface of the pin cap 121. The spring is a tower spring with a large bottom ring and a small top ring, the elasticity of the tower spring is not linear, the more the tower spring is compressed, the larger the rebound force is, the more effective the energy dissipation effect is, and the larger the elasticity of the male die 110 which automatically rises is.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a fine-tuning based on leaf spring which characterized in that: the device comprises a fixing plate (100), a lower plate (130), an upper plate (140), a male die (110), a guide rod (120), an upper plate spring adjusting assembly, a lower plate spring adjusting assembly and a connecting piece, wherein the fixing plate (100), the lower plate (130) and the upper plate (140) are sequentially arranged from bottom to top, and gaps are formed between the fixing plate (100) and the lower plate (130) and between the lower plate (130) and the upper plate (140); a guide hole (141) is formed in the upper plate (140), an upper through hole is formed in the lower plate (130), a lower through hole is formed in the fixing plate (100), and the guide hole (141), the upper through hole and the lower through hole are coaxially arranged; the lower end of the guide rod (120) sequentially penetrates through the guide hole (141) and the upper through hole from top to bottom and then is fixedly connected with the upper end of the male die (110), the guide rod (120) is fixedly connected with the lower plate (130), the male die (110) can move up and down in the lower through hole, and the guide rod (120) is connected with the guide hole (141) through a connecting piece; the upper plate spring adjusting assembly is arranged between a lower plate (130) and an upper plate (140), the lower plate spring adjusting assembly is arranged between a fixing plate (100) and the lower plate (130), the upper plate spring adjusting assembly comprises a front adjusting part and a rear adjusting part, the front adjusting part and the rear adjusting part are respectively and symmetrically arranged on the front side and the rear side of a guide rod (120), the front adjusting part and the rear adjusting part are the same component, the rear adjusting part comprises an upper fixing seat (151), an upper plate spring (152) and an upper screw rod (153), the upper plate spring (152) is backwards arched, the upper end and the lower end of the upper plate spring (152) are respectively and fixedly connected with the upper plate (140) and the lower plate (130), the upper plate spring (152) and the upper fixing seat (151) are arranged in parallel in the front-back direction, the upper fixing seat (151) is fixedly arranged on the lower plate (130), and a first threaded hole is arranged in the upper, the front end of the upper screw rod (153) passes through the first threaded hole and abuts against the arched outer surface of the upper plate spring (152); lower leaf spring adjusting part includes left regulating part, right regulating part, left side regulating part, right regulating part symmetry respectively locate on the left side of guide arm (120), the right side, left side regulating part, right regulating part are same component, left side regulating part includes fixing base (161), lower leaf spring (162), lower screw rod (163), leaf spring (162) is arch shape down leftward, the upper and lower both ends of leaf spring (162) are respectively with hypoplastron (130), fixed plate (100) fixed connection down, fixing base (161), lower leaf spring (162) are about being and set up side by side, fixing base (161) are fixed to be located on fixed plate (100) down, be equipped with the second screw hole in fixing base (161) down, the right-hand member of lower screw rod (163) passes the outer surface butt that second screw hole and lower leaf spring (162) arch.

2. A leaf spring based micro-adjustment mechanism according to claim 1, characterized in that: the front end of the upper screw (153) and the right end of the lower screw (163) are both provided with arc-shaped abutting parts.

3. A leaf spring based micro-adjustment mechanism according to claim 1, characterized in that: and the rear end of the upper screw (153) and the left end of the lower screw (163) are respectively provided with a rotary handle (170).

4. A leaf spring based micro-adjustment mechanism according to claim 1, characterized in that: the connecting piece includes round pin cap (121), elastic element (180), round pin cap (121) are fixed to be located the upper end of guide arm (120), guide hole (141) adopt the counter sink, the counter sink includes big hole, the aperture that from the top down communicates the setting in proper order, the diameter of round pin cap (121) is less than big hole's diameter and is greater than the aperture diameter, the diameter of guide arm (120) is less than the aperture diameter, elastic element (180) are located between round pin cap (121) and the counter sink.

5. A leaf spring based micro-adjustment mechanism according to claim 4, characterized in that: the elastic element (180) is a spring, and the upper end and the lower end of the spring are respectively abutted against the pin cap (121) and the bottom of the large hole.

6. A leaf spring based micro-adjustment mechanism according to claim 5, characterized in that: the spring is a tower spring with a large bottom ring and a small top ring, the bottom ring of the tower spring is abutted against the bottom of the large hole, and the top ring of the tower spring is abutted against the lower end face of the pin cap (121).