Linear motion lock device

Abstract

The utility model relates to a linear motion lock device. The linear motion lock device comprises a shell; the device further comprises a cylinder body; the cylinder body is connected with the shell through a first group of bolts to form an oil cylinder assembly; the device further comprises a piston; the piston is mounted in the shell and the cylinder body; the sealing structure further comprises a first sealing ring, a second sealing ring and a third sealing ring. The first sealing ring is mounted on the piston and is sealed with the shell; the second sealing ring is mounted on the piston and is sealed with the cylinder body; the third sealing ring is mounted on the cylinder body and is sealed with the piston; the device further comprises a force transmission disc. The force transmission disc is connected with the piston through a second group of bolts, and meanwhile, the force transmission disc is connected with the shell through a spline; the piston and the force transmission disc are connected to form a piston assembly which can move left and right relative to the oil cylinder assembly; the device further comprises a shaft seat. The shaft seat is mounted on a crankshaft of the punching machine; the shaft seat can rotate freely along with the crankshaft and is provided with an external spline; when the piston assembly moves leftwards, the internal spline of the force transmission disc can be embedded with the piston assembly; and accidental unexpected movement can be effectively prevented.

Description

Technical Field

[0001] This utility model relates to a linear motion locking device, and more particularly to the structure of the device. Background Technology

[0002] With the advancement of technology, the safety requirements for punch press equipment in various fields are constantly increasing. Traditional brakes can no longer meet the more stringent safety requirements of punch presses. Especially during equipment maintenance, in order to ensure the personal safety of maintenance personnel, it is necessary to strictly control the slide to prevent any movement on the machine tool, which in turn prompts researchers and enterprises to develop more advanced safety protection devices for punch presses. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a linear motion locking device, which aims to solve the above-mentioned problem.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model includes: a housing; the housing is mounted on the machine body of a punch press; it also includes: a cylinder body; the cylinder body is connected to the housing by a first set of bolts to form a hydraulic cylinder assembly; it also includes: a piston; the piston is mounted in the housing and the cylinder body; it also includes: a first sealing ring, a second sealing ring, and a third sealing ring; the first sealing ring is mounted on the piston to form a seal with the housing; the second sealing ring is mounted on the piston to form a seal with the cylinder body; the third sealing ring is mounted on the cylinder body to form a seal with the piston; it also includes a force transmission plate; the force transmission plate is connected to the piston by a second set of bolts, and simultaneously connected to the housing by a spline; the piston and the force transmission plate, after being connected, form a piston assembly, which can move left and right relative to the hydraulic cylinder assembly; it also includes a bearing seat; the bearing seat is mounted on the crankshaft of the punch press; the bearing seat can rotate arbitrarily with the crankshaft, and the bearing seat has an external spline; when the piston assembly moves to the left, the internal spline of the force transmission plate can engage with it.

[0006] Compared with the prior art, the beneficial effects of this utility model are: by installing a linear motion lock device between the machine body and the crankshaft of the punch press, it can effectively prevent accidental and unintended movements; especially when the punch press equipment is under maintenance, it greatly enhances the safety of personnel and meets the stricter safety requirements for equipment in the development of modern technology. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of this utility model.

[0008] Figure 2 , Figure 3 This is a schematic diagram of the working principle of this utility model. Detailed Implementation

[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:

[0010] Depend on Figure 1 As can be seen, this utility model includes: a housing 1; the housing 1 is mounted on the machine body of the punch press; it also includes: a cylinder 5; the cylinder 5 is connected to the housing 1 by a first set of bolts 10 to form a hydraulic cylinder assembly; it also includes: a piston 4; the piston 4 is mounted inside the housing 1 and the cylinder 5; it also includes: a first sealing ring 6, a second sealing ring 7, and a third sealing ring 8; the first sealing ring 6 is mounted on the piston 4 to form a seal with the housing 1; the second sealing ring 7 is mounted on the piston 4 to form a seal with the cylinder 5; the third sealing ring 8... A sealing ring 8 is installed on the cylinder body 5 to form a seal with the piston 4; it also includes a force transmission plate 2; the force transmission plate 2 is connected to the piston 4 by a second set of bolts 9, and the force transmission plate 2 is connected to the housing 1 by a spline; the piston 4 and the force transmission plate 2 form a piston assembly after being connected, which can move left and right relative to the cylinder assembly; it also includes a bearing seat 3; the bearing seat 3 is installed on the crankshaft of the punch press; the bearing seat 3 can rotate arbitrarily with the crankshaft, and the bearing seat 3 has an external spline; when the piston assembly moves to the left, the internal spline of the force transmission plate 2 can engage with it.

[0011] The working principle of this utility model is as follows: Figure 2 , Figure 3 As shown, when external hydraulic oil enters the cylinder assembly through port A, it pushes the piston assembly to the left. The internal spline of the force transmission plate 2 engages with the external spline of the bearing seat 3, and the bearing seat 3 is completely locked and cannot rotate. When external hydraulic oil is released from port A, and simultaneously, external hydraulic oil enters the cylinder assembly through port B, it pushes the piston assembly to the right. The internal spline of the force transmission plate 2 disengages from the external spline of the bearing seat 3, and the bearing seat 3 is released and can rotate freely with the crankshaft.

Claims

1. A linear motion locking device, characterized in that... include: The system includes: a housing; a cylinder body; the cylinder body is connected to the housing via a first set of bolts to form a hydraulic cylinder assembly; a piston; the piston is mounted on the housing and the cylinder body; a first sealing ring, a second sealing ring, and a third sealing ring; the first sealing ring is mounted on the piston to form a seal with the housing; the second sealing ring is mounted on the piston to form a seal with the cylinder body; the third sealing ring is mounted on the cylinder body to form a seal with the piston; a force transmission plate; the force transmission plate is connected to the piston via a second set of bolts, and simultaneously connected to the housing via a spline; the piston and the force transmission plate, when connected, form a piston assembly that can move left and right relative to the hydraulic cylinder assembly; and a bearing seat; the bearing seat is mounted on the crankshaft of the press; the bearing seat can rotate arbitrarily with the crankshaft, and the bearing seat has an external spline; when the piston assembly moves to the left, the internal spline of the force transmission plate can engage with it.

2. The linear motion lock device according to claim 1, characterized in that: The housing is mounted on the machine body of the punch press.

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