CN217479039U

CN217479039U - Automatic locking safety device

Info

Publication number: CN217479039U
Application number: CN202221672422.XU
Authority: CN
Inventors: 李治伟; 朱庆国; 周利军; 丁小锋; 王成祥; 苑景哲; 陈孝富
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-23
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses an automatic locking safety device relates to locking mechanical system technical field, and it includes: the base is arranged along the vertical direction, one side of the base is provided with a guide rail, and the other side of the base is provided with a locking block; a member to be lifted which can move up and down along the guide rail; the lifting device is used for driving the part to be lifted to lift; the locking device comprises a fixing seat arranged at the lifting end of the lifting device, a limiting shaft used for extending to be connected with the top of the locking block in a clamped mode, a driving portion used for driving the limiting shaft to stretch out and draw back, and a compression spring wound on the outer peripheral portion of the limiting shaft, wherein the fixing seat is provided with a containing cavity used for containing the limiting shaft and the compression spring and a connecting piece, and the connecting piece can penetrate through the base and is connected with the part to be lifted. The device can effectively improve the safety of the locking mechanism of the BFS equipment.

Description

Automatic locking safety device

Technical Field

The utility model relates to a locking mechanism technical field, more specifically say, relate to an automatic locking safety device.

Background

In the prior art, BFS (Blow/Fill/Seal) three-in-one equipment is plastic bottle aseptic packaging equipment. The equipment can complete three operations of bottle making, filling and sealing on the same equipment in an aseptic state.

At present, in the BFS equipment on the market, a locking mechanism is also installed in a filling lifting mechanism, but the locking action is mainly realized by means of stretching out of an air cylinder, if the air cylinder is cut off, the locking mechanism cannot stretch out, and therefore the locking mechanism has certain safety risk.

In summary, how to improve the safety of the locking mechanism of the BFS device is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an automatic locking safety device can effectively improve the security of the locking mechanism of BFS equipment.

In order to achieve the above object, the present invention provides the following technical solutions:

an automatic locking safety shield apparatus, comprising:

the base is arranged along the vertical direction, a guide rail is arranged on one side of the base, and a locking block is arranged on the other side of the base;

the part to be lifted can move up and down along the guide rail;

the lifting device is used for driving the part to be lifted to lift;

locking means, it is including locating the fixing base of elevating gear's lift end, be used for stretch out to with the spacing axle of the top joint of locking piece, be used for the drive spacing flexible drive division of axle and around locating the compression spring of the outer peripheral part of spacing axle, the fixing base is equipped with and is used for holding spacing axle with compression spring hold chamber and connecting piece, the connecting piece can pass the base with treat that the lift part is connected.

Preferably, the lifting device is a jacking cylinder, a jacking oil cylinder or a screw-nut driving piece.

Preferably, the lifting device comprises a jacking cylinder arranged on the base and an extension rod connected with the jacking end of the jacking cylinder, the connecting piece is a connecting flange arranged at the top of the extension rod, and the fixing seat is arranged on the connecting flange.

Preferably, the driving part is a telescopic cylinder, a telescopic oil cylinder or a screw nut driving part.

Preferably, the fixing base is the U type and distributes, the drive division is located the right side of fixing base, but spacing axle level runs through the both sides of fixing base, just the left side of fixing base is embedded to have and is used for right spacing axle carries out the uide bushing that leads.

Preferably, the limiting shaft is connected with the driving end of the driving part, the joint of the limiting shaft and the driving end is provided with the compression spring, and the fixing seat is provided with a locking nut which is used for being inserted into the accommodating cavity, is abutted to the compression spring and is used for locking the adjusting nut.

Preferably, a sliding block is arranged on the guide rail in a sliding mode, and the sliding block is connected with the part to be lifted.

Preferably, the connecting piece is detachably connected with the part to be lifted, and the fixed seat is detachably connected with the lifting device.

Use the utility model provides an during automatic locking safety device, when the part of waiting to go up and down rises as the drive of needs, can control the elevating gear operation to drive locking means rises, can drive when locking means rises and wait that the part of going up and down rises along the guide rail, when waiting that the part of going up and down rises to highest position, control drive division operation, so that spacing axle stretch out to with the top joint of locking piece. At the moment, if the part to be lifted has a descending trend, the locking block can block the limiting shaft and block the locking device connected with the limiting shaft and the part to be lifted together, so that the phenomenon that the part to be lifted is suddenly descended to cause serious damage is effectively avoided. When the lifting component descends to be driven by the requirement, firstly, the driving part can be controlled to reversely run so as to retract the limiting shaft and not contact with the top of the locking block, then, the lifting device can be controlled to reversely run so as to drive the locking device to descend, and the locking device can drive the lifting component to descend along the guide rail when descending until the lifting component descends to the lowest position.

And, if drive portion takes place drive failure, lead to spacing axle can't stretch out to with the top joint of locking piece when, compression spring this moment can play an effect, compression spring's pre-compaction elasticity can pop out spacing axle to make spacing axle pop out to the top of locking piece, thereby realize treating the locking operation of lifting unit, realize the dual guarantee of locking operation.

To sum up, the utility model provides an automatic locking safety device can effectively improve the security of the locking mechanism of BFS equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of an automatic locking safety device provided by the present invention;

FIG. 2 is a cross-sectional view of the automatic locking safety shield apparatus;

FIG. 3 is a schematic structural view of the lifting member when the lifting member is lifted to the highest position;

fig. 4 is a schematic structural view of the member to be lifted and lowered to the lowest position.

In fig. 1-4:

the lifting device comprises a base 1, a guide rail 11, a locking block 12, a part to be lifted 2, a lifting device 3, a jacking cylinder 31, an extension rod 32, a locking device 4, a fixing seat 41, a limiting shaft 42, a driving part 43, a compression spring 44, a connecting piece 45, a guide sleeve 46, an adjusting nut 47, a locking nut 48 and a sliding block 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide an automatic locking safety device can effectively improve the security of the locking mechanism of BFS equipment.

Referring to fig. 1-4, fig. 1 is a schematic structural view of an automatic locking safety device provided by the present invention; FIG. 2 is a cross-sectional view of the automatic locking safety shield apparatus; FIG. 3 is a schematic structural view of the lifting member ascending to the highest position; fig. 4 is a schematic structural view of the member to be lifted and lowered to the lowest position.

This specific embodiment provides an automatic locking safety device, includes:

the base 1 is arranged along the vertical direction, one side of the base 1 is provided with a guide rail 11, and the other side of the base 1 is provided with a locking block 12;

a member to be lifted 2 which can be moved up and down along the guide rail 11;

the lifting device 3 is used for driving the part to be lifted 2 to lift;

the locking device 4 comprises a fixed seat 41 arranged at the lifting end of the lifting device 3, a limiting shaft 42 used for extending to be clamped with the top of the locking block 12, a driving part 43 used for driving the limiting shaft 42 to stretch and retract, and a compression spring 44 wound on the outer peripheral part of the limiting shaft 42, wherein the fixed seat 41 is provided with a containing cavity used for containing the limiting shaft 42 and the compression spring 44 and a connecting piece 45, and the connecting piece 45 can penetrate through the base 1 to be connected with the part 2 to be lifted.

The compression spring 44 is a cylindrical coil spring that receives a compressive force, and is also a coil spring that can receive an axial pressure, and the compression spring 44 generates a reactive elastic force in a compressed state. By using the working principle of the compression spring 44, when the external force of the driving portion 43 for driving to stretch and retract is lost, the pre-compressed compression spring 44 can drive the limiting shaft 42 to pop out under the action of the restoring force, so as to drive the locking device 4 to be clamped at the top of the locking block 12, so as to block the component 2 to be lifted, and the component 2 to be lifted cannot fall down. Further, instead of the compression spring 44, other members having an automatic ejecting function may be used instead of the compression spring 44, instead of the automatic ejecting of the stopper shaft 42.

In the actual application process, according to the actual situation and the actual requirement, the shape, the structure, the size, the material, the position and the like of the base 1, the part 2 to be lifted, the lifting device 3 and the locking device 4 can be determined.

Use the utility model provides an during automatic locking safety device, when needing the drive to treat when lifting means 2 rises, can control lifting means 3 operation to drive locking means 4 and rise, can drive when locking means 4 rises and treat lifting means 2 and rise along guide rail 11, when treating lifting means 2 and rise to the highest position, control drive portion 43 operation, so that spacing axle 42 stretch out to the top joint with locking piece 12. At this time, if the component 2 to be lifted has a downward trend, the locking block 12 blocks the limiting shaft 42 and blocks the locking device 4 connected with the limiting shaft 42 and the component 2 to be lifted together, so that the phenomenon that the component 2 to be lifted is suddenly lowered to cause serious damage is effectively avoided. When the component 2 to be lifted needs to be driven to descend, firstly, the driving part 43 can be controlled to run reversely, so that the limiting shaft 42 retracts and does not contact with the top of the locking block 12, then, the lifting device 3 can be controlled to run reversely, so that the locking device 4 is driven to descend, and when the locking device 4 descends, the component 2 to be lifted can be driven to descend along the guide rail 11 until the component 2 to be lifted descends to the lowest position.

And, if drive portion 43 takes place drive failure, when leading to spacing axle 42 can't stretch out to the top joint with locking piece 12, compression spring 44 at this moment can play a role, and compression spring 44's pre-compaction elasticity can pop out spacing axle 42 to make spacing axle 42 pop out to the top of locking piece 12, thereby realize treating the locking operation of lifting unit 2, realize the dual guarantee of locking operation.

On the basis of the above embodiment, it is preferable that the lifting device 3 is a lifting cylinder 31, a lifting cylinder or a screw nut driving member to ensure that the component 2 to be lifted can be lifted stably. Of course, the lifting device 3 may be provided as another component capable of achieving the lifting function.

Preferably, the lifting device 3 includes a jacking cylinder 31 arranged on the base 1 and an extension rod 32 connected with a jacking end of the jacking cylinder 31, the connecting piece 45 is a connecting flange arranged at the top of the extension rod 32, and the fixing seat 41 is arranged on the connecting flange. The connecting flange can effectively connect the part to be lifted 2 and the fixed seat 41, and ensures that the part to be lifted 2 and the locking device 4 move synchronously. Therefore, by controlling the operation of the jacking cylinder 31, the extension bar 32 can be controlled to extend or retract so as to drive the member to be lifted 2 and the locking device 4 to be lifted or lowered synchronously.

Preferably, the driving part 43 is a telescopic cylinder, a telescopic cylinder or a screw nut driving part to ensure that the limit shaft 42 can realize accurate and effective telescopic movement. Of course, the driving portion 43 may be provided as another member capable of achieving the telescopic function.

Preferably, the fixing base 41 is U-shaped, the driving portion 43 is disposed on the right side of the fixing base 41, the limiting shaft 42 can horizontally penetrate through two sides of the fixing base 41, and a guide sleeve 46 for guiding the limiting shaft 42 is embedded in the left side of the fixing base 41. The guide sleeve 46 is used for guiding when the limiting shaft 42 extends and retracts, and is used for providing radial support for the limiting shaft 42 when the limiting shaft 42 extends to be in limiting clamping connection with the locking block 12, so that the limiting shaft 42 is prevented from bending and deforming due to overlarge radial force.

On the basis of the above embodiment, it is preferable that the driving end of the limiting shaft 42 and the driving end of the driving portion 43 are connected, and a compression spring 44 is disposed at the connection position of the limiting shaft and the driving portion, and an adjusting nut 47 for being inserted into the accommodating cavity and abutting against the compression spring 44 and a locking nut 48 for locking the adjusting nut 47 are disposed on the fixing base 41, and the structure is as shown in fig. 2.

It should be noted that the limiting shaft 42 may be connected to the driving end of the driving portion 43, the compression spring 44 may be sleeved on the driving end and the limiting shaft 42, and the compression distance of the compression spring 44 may be adjusted by adjusting the position of the adjusting nut 47, so as to adjust the compression force of the compression spring 44, thereby effectively adjusting the reverse elasticity of the compression spring 44, and implementing the ejecting operation of the limiting shaft 42. Wherein the locking nut 48 is used to lock the adjusting nut 47 after adjusting the adjusting nut 47 to a desired position.

Preferably, the guide rail 11 is provided with a sliding block 5 in a sliding manner, and the sliding block 5 is connected with the part to be lifted 2, so that a plurality of parts to be lifted 2 can be installed on the sliding block 5 together, and when the part to be lifted 2 is subjected to the traction force of the locking device 4, the part to be lifted 2 can drive the sliding block 5 to slide up and down relative to the guide rail 11, thereby ensuring that the lifting operation of the part to be lifted 2 is performed smoothly.

Preferably, the connecting member 45 is detachably connected to the member to be lifted 2, and the fixing base 41 is detachably connected to the lifting device 3. That is, when one of the component 2 to be lifted, the connecting piece 45 or the locking device 4 is damaged, the damaged component can be replaced through the disassembling operation, and then a new component and other undamaged components are continuously matched for use, so that the service life of the device is prolonged, and the maintenance cost of the device is reduced.

In addition, it should be noted that the directions or positional relationships indicated by "up and down", "right and left", "horizontal", "vertical", and the like in the present application are based on the directions or positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

It is right above that the utility model provides an automatic locking safety device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An automatic locking safety shield apparatus, comprising:

the device comprises a base (1) which is arranged along the vertical direction, wherein one side of the base (1) is provided with a guide rail (11), and the other side of the base (1) is provided with a locking block (12);

a member (2) to be lifted and lowered which can be moved up and down along the guide rail (11);

the lifting device (3) is used for driving the part (2) to be lifted to lift;

locking means (4), its including locate fixing base (41) of the lift end of elevating gear (3), be used for stretch out to with spacing axle (42) of the top joint of locking piece (12), be used for the drive spacing axle (42) flexible drive division (43) and around locating the compression spring (44) of the peripheral part of spacing axle (42), fixing base (41) are equipped with and are used for holding spacing axle (42) with compression spring (44) hold chamber and connecting piece (45), connecting piece (45) can pass base (1) with it connects to treat lift part (2).

2. The automatic locking safety shield of claim 1, wherein said lifting device (3) is a jacking cylinder (31), a jacking cylinder or a lead screw nut drive.

3. The automatic locking safety protection device according to claim 2, wherein the lifting device (3) comprises a jacking cylinder (31) arranged on the base (1) and an extension rod (32) connected with a jacking end of the jacking cylinder (31), the connecting piece (45) is a connecting flange arranged at the top of the extension rod (32), and the fixing seat (41) is arranged on the connecting flange.

4. The automatic locking safety shield apparatus of claim 1, wherein said drive portion (43) is a telescopic cylinder, a telescopic cylinder or a lead screw nut drive.

5. The automatic locking safety device according to any one of claims 1 to 4, wherein the fixing base (41) is U-shaped, the driving portion (43) is disposed on the right side of the fixing base (41), the limiting shaft (42) can horizontally penetrate through two sides of the fixing base (41), and a guide sleeve (46) for guiding the limiting shaft (42) is embedded in the left side of the fixing base (41).

6. The automatic locking safety device according to claim 5, wherein the limiting shaft (42) is connected with the driving end of the driving part (43), the compression spring (44) is arranged at the joint of the limiting shaft and the driving part, and an adjusting nut (47) which is inserted into the accommodating cavity and abutted against the compression spring (44) and a locking nut (48) which is used for locking the adjusting nut (47) are arranged on the fixing seat (41).

7. The automatic locking safety device according to any one of claims 1 to 4, characterized in that a sliding block (5) is slidingly arranged on the guide rail (11), the sliding block (5) being connected to the part (2) to be lifted.

8. The automatic locking safety device according to any one of claims 1 to 4, characterized in that the connecting member (45) is removably connected to the part to be lifted (2), and the fixed seat (41) is removably connected to the lifting device (3).