CN214184884U

CN214184884U - Automatic lower die clamping device

Info

Publication number: CN214184884U
Application number: CN202022363572.XU
Authority: CN
Inventors: 侯建勋; 夏昌兴; 白昱璟; 高贵麟; 周育; 李文彬; 孙立亚; 贾兆丰; 杨咏
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-09-14
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a lower die automatic clamping device, belonging to the technical field of automatic clamping of dies in a stamping workshop, comprising a clamping end, a connecting rod, a base, a cylinder body and a hydraulic system; the clamping device is fixed on the movable workbench through the base, the cylinder body is fixed on the base, the piston in the cylinder body is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the clamping end; the lower part of the connecting rod is connected with a hydraulic system. The utility model discloses a lower mould automatic clamping device can realize the lower mould at the self-holding of workstation, has removed the manual work from and has carried out the tight process of lower mould clamp, and reducible retooling time improves the production efficiency and the automation level in punching press workshop, reduces the cost of labor to implementation process accuracy is high, and each presss from both sides the clamp force the same, die holding, fixed safe and reliable.

Description

Automatic lower die clamping device

Technical Field

The utility model belongs to the technical field of the punching press workshop mould self-holding, concretely relates to lower mould self-holding device.

Background

The lower die of the stamping die needs to be clamped and fixed on the movable workbench before online production. At present, two modes are generally adopted for clamping and fixing the lower die. The first is a manual mode, namely, a lower die is fixed on a pressure plate groove of a workbench by adopting a pressure plate bolt, and the lower die is manually installed by a worker and is screwed and fixed by adopting a long spanner. The second mode is a semi-automatic mode, and a worker clamps and fixes the lower die by using a handheld hydraulic clamping device. Both the two modes need to be operated by a specially-assigned person, so that the operation time is long, the operation is inconvenient, the manual clamping force is uneven, the operation is careless, and the die cannot be reliably clamped and fixed.

SUMMERY OF THE UTILITY MODEL

Long, the inconvenient, the artifical clamp force inequality of operation in order to overcome existence among the prior art, still can appear operating the careless hourglass, lead to the unable reliable tight, fixed defect of clamp of mould, the utility model provides a lower mould automatic clamping device, the device is including parts such as clamping end, connecting rod, base, cylinder body. The device is fixed on a movable workbench of equipment, the clamping end can perform actions such as automatic lifting, rotating, descending, clamping and the like, and the clamping end is matched with a pressure plate groove on the bottom surface of the lower die of the die, so that the lower die of the die is automatically clamped on the movable workbench. The utility model discloses an automatic clamping device has removed the manual work from and has carried out the tight process of lower mould clamp, reducible retooling time, improve the production efficiency and the automation level in punching press workshop, improve the mould and press from both sides tight reliability, reduce the cost of labor etc..

The utility model discloses a following technical scheme realizes:

an automatic lower die clamping device comprises a clamping end 1, a connecting rod 2, a base 3, a cylinder body 4 and a hydraulic system; the clamping device is fixed on a movable workbench through a base 3, a cylinder body 4 is fixed on the base 3, a piston inside the cylinder body 4 is connected with one end of a connecting rod 2, and the other end of the connecting rod 2 is connected with a clamping end 1; the lower part of the connecting rod 2 is connected with a hydraulic system.

Preferably, the hydraulic system consists of a rack and pinion device 5, a hydraulic cylinder and a hydraulic valve, the other end of the connecting rod 2 is connected with the rack and pinion device 5, the two ends of the rack and pinion device 5 are respectively connected with the hydraulic cylinder, and the other end of the hydraulic cylinder is connected with the hydraulic valve.

Preferably, a first hydraulic cylinder 6 and a second hydraulic cylinder 7 are respectively connected to two ends of the rack and pinion device 5.

Preferably, the first hydraulic cylinder 6 is connected to a first hydraulic valve 8, and the second hydraulic cylinder 7 is connected to a second hydraulic valve 9.

Preferably, the clamping end 1 is rectangular, a rectangular pressing plate groove is processed on the bottom surface of the mold to be clamped, and the size and the position of the pressing plate groove are matched with those of the clamping end 1.

The utility model discloses a lower mould automatic clamping device's theory of operation as follows:

the clamping end rises: hydraulic oil enters the lower part of the cylinder body 4 from the port B, the hydraulic oil pushes the piston in the cylinder body to move upwards, and the piston drives the connecting rod 2 and the clamping end 1 to move upwards to a lifting position.

The clamping end rotates: after the clamping end rises, the second hydraulic valve 9 is electrically connected with the first hydraulic valve 8, hydraulic oil flows in from the port B and flows out from the port A, the hydraulic oil pushes the second hydraulic cylinder 7 and the first hydraulic cylinder 6 to move leftwards, meanwhile, the gear rack device 5 is driven to move leftwards, and the gear rack device 5 drives the connecting rod 2 and the clamping end 1 to rotate clockwise by a certain angle (60 degrees to 90 degrees) to a rotating position. On the contrary, when the hydraulic oil flows in from the port a and flows out from the port B, the hydraulic oil pushes the second hydraulic cylinder 7 and the first hydraulic cylinder 6 to move rightwards, and simultaneously drives the rack-and-pinion device 5 to move rightwards, and the rack-and-pinion device 5 drives the connecting rod 2 and the clamping end 1 to rotate anticlockwise by a certain angle (60 degrees to 90 degrees) to the initial position.

Descending of the clamping end: hydraulic oil enters the upper part of the cylinder body 4 from the port A, the hydraulic oil pushes the piston in the cylinder body to move downwards, and the piston drives the connecting rod 2 and the clamping end 1 to move downwards to a descending position.

Compared with the prior art, the utility model has the advantages as follows:

the utility model discloses a lower mould automatic clamping device can realize the lower mould at the self-holding of workstation, has removed the manual work from and has carried out the tight process of lower mould clamp, and reducible retooling time improves the production efficiency and the automation level in punching press workshop, reduces the cost of labor to implementation process accuracy is high, and each presss from both sides the clamp force the same, die holding, fixed safe and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view of an automatic lower mold clamping device according to the present invention at an initial position;

fig. 2 is a top view of an automatic lower mold clamping device according to the present invention at an initial position;

fig. 3 is a front view of an automatic lower mold clamping device of the present invention in a clamping position;

fig. 4 is a top view of an automatic lower mold clamping device according to the present invention in a clamping position;

fig. 5 is a schematic perspective view of an automatic lower mold clamping device according to the present invention at an initial position;

fig. 6 is a schematic perspective view of a lower mold automatic clamping device in a clamping position according to the present invention;

fig. 7 is a hydraulic schematic diagram of the lower die automatic clamping device of the present invention.

In the figure: clamping end 1, connecting rod 2, base 3, cylinder body 4, rack and pinion device 5, first pneumatic cylinder 6, second pneumatic cylinder 7, first hydrovalve 8, second hydrovalve 9.

Detailed Description

For clear and complete description of the technical solution and the specific working process of the present invention, the following embodiments are provided in conjunction with the accompanying drawings of the specification:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Example 1

As shown in fig. 1, an automatic lower die clamping device comprises a clamping end 1, a connecting rod 2, a base 3, a cylinder body 4 and a hydraulic system; the clamping device is fixed on a movable workbench through a base 3, a cylinder body 4 is fixed on the base 3, a piston inside the cylinder body 4 is connected with one end of a connecting rod 2, and the other end of the connecting rod 2 is connected with a clamping end 1; the lower part of the connecting rod 2 is connected with a hydraulic system.

The hydraulic system comprises a rack and pinion device 5, a hydraulic cylinder and a hydraulic valve, the other end of the connecting rod 2 is connected with the rack and pinion device 5, the two ends of the rack and pinion device 5 are respectively connected with the hydraulic cylinder, and the other end of the hydraulic cylinder is connected with the hydraulic valve.

And two ends of the gear rack device 5 are respectively connected with a first hydraulic cylinder 6 and a second hydraulic cylinder 7.

The first hydraulic cylinder 6 is connected with a first hydraulic valve 8, and the second hydraulic cylinder 7 is connected with a second hydraulic valve 9.

The clamping end 1 is rectangular, a rectangular pressing plate groove is processed on the bottom surface of the die to be clamped, and the size and the position of the pressing plate groove are matched with those of the clamping end 1.

The automatic clamping device is fixedly arranged on a movable workbench through a base 3, and the upper surface of the base 3 is flush with or slightly lower than the workbench surface. In the initial position, the clamping end 1 and the connecting rod 2 are in the lowered position, the clamping end 1 being slightly lower than the base 3. A rectangular pressure plate groove is processed on the lower bottom surface of the die, the position and the size of the pressure plate groove are matched with the clamping end 1 of the automatic clamping device, and the strength of the pressure plate groove meets the requirement of clamping force.

After the mould is placed on the workstation, automatic clamping device's connecting rod 2 rises to the rising position with pressing from both sides tight end 1 automation, falls after rotating certain angle (60 ~ 90 °), and after pressing from both sides tight end 1 and mould clamp plate groove contact, cylinder body 4 drives and presss from both sides tight end 1 and applys the clamp force to mould clamp plate groove, carries out automatic clamping and fixes, and the clamp force of each clamp end 1 is the same.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. An automatic lower die clamping device is characterized by comprising a clamping end (1), a connecting rod (2), a base (3), a cylinder body (4) and a hydraulic system; the clamping device is fixed on a movable workbench through a base (3), a cylinder body (4) is fixed on the base (3), a piston inside the cylinder body (4) is connected with one end of a connecting rod (2), and the other end of the connecting rod (2) is connected with a clamping end (1); the lower part of the connecting rod (2) is connected with a hydraulic system.

2. The automatic lower mold clamping device according to claim 1, wherein the hydraulic system comprises a rack and pinion device (5), a hydraulic cylinder and a hydraulic valve, the other end of the connecting rod (2) is connected with the rack and pinion device (5), the two ends of the rack and pinion device (5) are respectively connected with the hydraulic cylinder, and the other end of the hydraulic cylinder is connected with the hydraulic valve.

3. The automatic lower mold clamping device according to claim 2, wherein the gear rack device (5) is connected at its two ends with a first hydraulic cylinder (6) and a second hydraulic cylinder (7), respectively.

4. An automatic lower mold clamping device according to claim 3, wherein said first hydraulic cylinder (6) is connected to a first hydraulic valve (8) and said second hydraulic cylinder (7) is connected to a second hydraulic valve (9).

5. The automatic lower die clamping device according to claim 1, wherein the clamping end (1) is rectangular, and a rectangular platen groove is formed in the bottom surface of the die to be clamped, and the size and position of the platen groove are matched with those of the clamping end (1).