CN221047894U

CN221047894U - Workpiece anti-falling device

Info

Publication number: CN221047894U
Application number: CN202322493369.8U
Authority: CN
Inventors: 严大策; 徐潇晨; 陈佳涛; 杨战
Original assignee: Shanghai Danjing Intelligent Equipment Co ltd
Current assignee: Shanghai Danjing Intelligent Equipment Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-31
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to a workpiece anti-falling device which comprises a support frame, a first anti-falling component and a second anti-falling component, wherein the first anti-falling component and the second anti-falling component are symmetrically fixed on the support frame, the first anti-falling component and the second anti-falling component are of a cylinder connecting rod structure, the cylinder connecting rod structure comprises a cylinder, a side plate and an anti-falling mechanism, and the anti-falling structure comprises a pin, a spring and a fixing piece; the cylinder is fixed on the support frame, the cylinder drive is connected with the side plate, the fixing piece is fixed on the inner side of the side plate, the pin is arranged in the fixing piece in a sliding mode, and the spring is sleeved on the pin and located between the pin and the fixing piece. Compared with the prior art, the utility model has the advantages of wide application range, high safety and the like.

Description

Workpiece anti-falling device

Technical Field

The utility model relates to the field of process injection molding machine devices, in particular to a workpiece anti-falling device.

Background

With the development of modern industrial technology, the work piece is gradually enlarged. In particular to a process injection molding machine, in the process of processing large-sized workpieces, the mass of the large-sized workpieces is large, and the large-sized workpieces are easy to fall due to self gravity, so that the problem of falling prevention of the workpieces in the process of process overturning needs to be solved.

For example, chinese patent CN206185555U discloses a workpiece clamping mechanism, which includes a frame, a first driving portion and a second driving portion disposed on the frame, and a clamping member disposed on the frame, wherein a clamping surface is formed at one end of the clamping member, and the clamping member is in transmission connection with the power output ends of the first driving portion and the second driving portion; the clamping piece can slide on the frame under the driving of the first driving part and transversely move relative to the workpiece, and at the end of the transverse movement, the clamping piece can turn over relative to the frame under the driving of the second driving part and clamp the workpiece by the clamping face.

However, the prior art is matched with the workpiece in shape through the pressing plate to clamp the part, but the contact area of the pressing plate and the workpiece is considered to be smaller, the fixing reliability is lower, the clamping device is not suitable for large-sized workpieces, a single device clamps a single workpiece, the application range of the device is smaller, and the cost is further improved.

Disclosure of utility model

The utility model aims to overcome the defects that in the prior art, the contact area of a pressing plate and a workpiece is small, the fixing reliability is low, the workpiece falling prevention device is not suitable for large workpieces, a single device clamps a single workpiece, the application range of the device is small, and the cost is further increased.

The aim of the utility model can be achieved by the following technical scheme:

The workpiece anti-falling device comprises a support frame, a first anti-falling component and a second anti-falling component, wherein the first anti-falling component and the second anti-falling component are symmetrically fixed on the support frame, the first anti-falling component and the second anti-falling component are of a cylinder connecting rod structure, the cylinder connecting rod structure comprises a cylinder, a side plate and an anti-falling mechanism, and the anti-falling structure comprises a pin, a spring and a fixing piece; the cylinder is fixed on the support frame, the cylinder drive is connected with the side plate, the fixing piece is fixed on the inner side of the side plate, the pin is arranged in the fixing piece in a sliding mode, and the spring is sleeved on the pin and located between the pin and the fixing piece.

Preferably, the fixing piece comprises a fixing frame and a sleeve, a pin groove is formed in the fixing frame, a pin hole is formed in the left end of the pin groove, a sleeve fixing hole is formed in the right end of the pin groove, the sleeve is fixed in the sleeve fixing hole, one end of the pin penetrates through the pin hole, and the other end of the pin is connected with the sleeve in a sliding mode.

Preferably, the number of pins is a plurality.

Preferably, the pin is of a stepped shaft structure, the pin comprises a first shaft section, a second shaft section and a third shaft section, the diameters of the first shaft section, the second shaft section and the third shaft section are sequentially increased, the diameters of the second shaft section are matched with the pin holes, the second shaft section is in sliding connection with the pin holes, the third shaft section is in sliding connection with the sleeve, the spring is sleeved outside the second shaft section, the left end of the spring is in contact with the bottom of the pin groove, and the right end of the spring is in contact with the left end of the third shaft section.

Preferably, one end of the pin is provided with a limiting piece, the limiting piece is detachably fixed at the left end of the first shaft section, the limiting piece is located at the outer side of the fixing piece, and the diameter of the limiting piece is larger than that of the second shaft section.

Preferably, the fixing piece further comprises a connecting piece, one end of the connecting piece is connected with the fixing frame, and the other end of the connecting piece is fixed on the side plate.

Preferably, the connecting piece is fixed on the side plate through a screw.

Preferably, the device further comprises a guide rail fixed on the support frame, the guide rail is matched with the shape of the upper end of the side plate, and the side plate is positioned on the inner side of the guide rail and is in sliding connection with the guide rail.

Preferably, one side of the side plate, which contacts the workpiece, is provided with a plurality of flexible press block assemblies, and each flexible press block assembly is symmetrically distributed on two sides of the anti-falling structure.

Preferably, the flexible press block assembly comprises a connecting layer and a rubber layer, one end of the connecting layer is fixed on the side plate, and the rubber layer is fixed at one end of the connecting layer, which is close to the workpiece.

Compared with the prior art, the utility model has the following advantages:

(1) According to the scheme, the corresponding side plates are driven to move through the cylinders of the first anti-falling assembly and the second anti-falling assembly, and the workpiece positioned between the two side plates is clamped by combining the anti-falling mechanism; inserting a pin into a hole of a workpiece aiming at the workpiece with the hole, and clamping the workpiece; aiming at a workpiece without a hole, the cylinder drives the side plate to move, the workpiece extrudes the pin, the spring contracts under the action of the pin, and then the pin is matched with the spring to clamp the workpiece. Realize carrying out the centre gripping to the work piece of multiple shape, play the effect of preventing falling, application scope is wider, and this structure can prevent falling to the large-scale work piece within 2 tons moreover, and the security is higher.

(2) According to the scheme, the guide rail is arranged on the support frame, the movement of the side plate is guided, and the accuracy and stability of the movement of the side plate are improved.

(3) This scheme is through setting up flexible briquetting subassembly in the inboard of curb plate, when preventing weighing down the centre gripping to the work piece, has avoided the direct contact of work piece and curb plate, especially to the imperforate work piece, and the round pin shrink makes work piece and curb plate contact, and this scheme adopts rubber layer and work piece contact, plays the effect of protection work piece on the one hand, on the other hand increase with the friction of work piece, plays better anti-weighing down effect.

Drawings

FIG. 1 is a schematic view of the structure of the anti-falling device of the present utility model in operation;

FIG. 2 is a front view of the fall arrest device of the present utility model in operation;

FIG. 3 is a top view of the fall arrest device of the present utility model in operation;

FIG. 4 is a schematic diagram of an anti-falling structure for preventing falling of an empty workpiece;

FIG. 5 is a schematic diagram of the falling protection structure for empty workpiece falling protection;

In the figure: 1. the flexible pressing block assembly comprises a support frame, 2, a cylinder, 3, side plates, 4, a flexible pressing block assembly, 5, a pin, 6, a spring, 7, a fixing piece, 8, a limiting piece, 9, a guide rail, 51, a first shaft section, 52, a second shaft section, 53, a third shaft section, 71, a fixing frame, 72, a sleeve, 73, a pin groove, 74 and a connecting piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be 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 utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

The embodiment provides a workpiece anti-falling device, as shown in fig. 1, which comprises a support frame 1, a first anti-falling component and a second anti-falling component, wherein the first anti-falling component and the second anti-falling component are symmetrically fixed on the support frame 1, the first anti-falling component and the second anti-falling component are of a cylinder connecting rod structure, the cylinder connecting rod structure comprises a cylinder 2, a side plate 3 and an anti-falling mechanism, and the anti-falling structure comprises a pin 5, a spring 6 and a fixing piece 7; the cylinder 2 is fixed on the support frame 1, and the cylinder 2 drive is connected with the curb plate 3, and the mounting 7 is fixed in the inboard of curb plate 3, and the round pin 5 slides and sets up in the mounting 7, and the spring 6 cover is established on the round pin 5, and is located between round pin 5 and the mounting 7.

Working principle: the air cylinders 2 of the first anti-falling assembly and the second anti-falling assembly drive the corresponding side plates 3 to move, and the anti-falling mechanism is combined to clamp a workpiece between the two side plates 3; inserting a pin 5 into a hole of a workpiece aiming at the workpiece with the hole to clamp the workpiece; aiming at a workpiece without a hole, the air cylinder 2 drives the side plate 3 to move, the workpiece extrudes the pin 5, the spring 6 contracts under the action of the pin 5, and then the pin 5 is matched with the spring 6 to clamp the workpiece.

According to the scheme, the corresponding side plates 3 are driven to move through the cylinders 2 of the first anti-falling assembly and the second anti-falling assembly, and workpieces positioned between the two side plates 3 are clamped by combining an anti-falling mechanism; inserting a pin 5 into a hole of a workpiece aiming at the workpiece with the hole to clamp the workpiece; aiming at a workpiece without a hole, the air cylinder 2 drives the side plate 3 to move, the workpiece extrudes the pin 5, the spring 6 contracts under the action of the pin 5, and then the pin 5 is matched with the spring 6 to clamp the workpiece. Realize carrying out the centre gripping to the work piece of multiple shape, play the effect of preventing falling, application scope is wider, and this structure can prevent falling to the large-scale work piece within 2 tons moreover, and the security is higher.

As a preferred embodiment, as shown in fig. 4 and 5, the fixing member 7 includes a fixing frame 71 and a sleeve 72, a pin groove 73 is provided in the fixing frame 71, a pin hole is provided at the left end of the pin groove 73, a sleeve fixing hole is provided at the right end of the pin groove 73, the sleeve 72 is fixed in the sleeve fixing hole, one end of the pin 5 passes through the pin hole, and the other end is slidably connected to the sleeve 72. In the present embodiment, the number of pins 5 is 3, and the pins are uniformly distributed in the fixing frame 71 in the horizontal direction.

Specifically, the pin 5 has a stepped shaft structure, the pin 5 includes a first shaft section 51, a second shaft section 52 and a third shaft section 53 with diameters sequentially increased, the diameters of the second shaft section 52 are matched with the pin holes and are in sliding connection with the pin holes, the third shaft section 53 is in sliding connection with the sleeve 72, the spring 6 is sleeved outside the second shaft section 52, the left end of the spring 6 contacts the bottom of the pin groove 73, and the right end of the spring 6 contacts the left end of the third shaft section 53.

One end of the pin 5 is provided with a limiting piece 8, the limiting piece 8 is detachably fixed at the left end of the first shaft section 51, the limiting piece 8 is positioned at the outer side of the fixing piece 7, and the diameter of the limiting piece 8 is larger than that of the second shaft section 52. The fixing member 7 further includes a connecting member 74, one end of the connecting member 74 is connected to the fixing frame 71, and the other end is fixed to the side plate 3. The connecting piece 7 is fixed to the side plate 3 by screws.

When the falling prevention action is carried out on the empty workpiece, the spring 6 is in an uncompressed state, the limiting piece 8 butts against the left end of the fixed frame 71, and the pin 5 is inserted into a hole on the workpiece through the third shaft section 53 to prevent the falling together; when falling prevention is carried out on the non-hole workpiece, the side plates drive the falling prevention structure to extrude the workpiece, then the workpiece extrudes the pin 5, the second shaft section 52 slides along the pin hole to the end far away from the workpiece, meanwhile, the left end face of the third shaft section 53 pressurizes the spring 6, the spring 6 contracts, the spring 6 reacts on the third shaft section 53, and the third shaft section 53 extrudes the falling prevention action.

As shown in fig. 1 and 3, the device further comprises a guide rail 9, the guide rail is fixed on the support frame 1, the guide rail 9 is matched with the shape of the upper end of the side plate 3, the side plate 3 is positioned on the inner side 9 of the guide rail, and the guide rail 9 is connected in a sliding manner.

Set up the guide rail on the support frame, guide the removal of curb plate, improved accuracy and the stability that the curb plate removed.

As a preferred embodiment, as shown in fig. 2, a side of the side plate 3 contacting the workpiece is provided with flexible press block assemblies 4, the number of the flexible press block assemblies 4 is 2, and each flexible press block assembly 4 is symmetrically distributed on the upper side and the lower side of the anti-falling structure.

The flexible press block assembly 4 comprises a connecting layer and a rubber layer, one end of the connecting layer is fixed on the side plate 3, and the rubber layer is fixed at one end of the connecting layer, which is close to the workpiece.

Through setting up flexible briquetting subassembly in the inboard of curb plate, when preventing weighing down the centre gripping to the work piece, avoided the direct contact of work piece and curb plate, especially to the imperforate work piece, the round pin shrink makes work piece and curb plate contact, and this scheme adopts rubber layer and work piece contact, plays the effect of protection work piece on the one hand, on the other hand increase with the friction of work piece, plays better anti-weighing down effect.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The workpiece anti-falling device comprises a support frame (1), a first anti-falling component and a second anti-falling component, wherein the first anti-falling component and the second anti-falling component are symmetrically fixed on the support frame (1), and the workpiece anti-falling device is characterized in that the first anti-falling component and the second anti-falling component are of a cylinder connecting rod structure, the cylinder connecting rod structure comprises a cylinder (2), a side plate (3) and an anti-falling structure, and the anti-falling structure comprises a pin (5), a spring (6) and a fixing piece (7); the cylinder (2) is fixed on the support frame (1), the side plate (3) is connected in the drive of cylinder (2), mounting (7) are fixed in the inboard of curb plate (3), round pin (5) slip sets up in mounting (7), spring (6) cover is established on round pin (5), and is located between round pin (5) and mounting (7).

2. The workpiece anti-falling device according to claim 1, wherein the fixing piece (7) comprises a fixing frame (71) and a sleeve (72), a pin groove (73) is formed in the fixing frame (71), a pin hole is formed in the left end of the pin groove (73), a sleeve fixing hole is formed in the right end of the pin groove (73), the sleeve (72) is fixed in the sleeve fixing hole, one end of the pin (5) penetrates through the pin hole, and the other end of the pin is connected with the sleeve (72) in a sliding mode.

3. A work piece fall arrest device according to claim 2, characterized in that the number of pins (5) is a plurality.

4. The workpiece anti-falling device according to claim 2, wherein the pin (5) is of a stepped shaft structure, the pin (5) comprises a first shaft section (51), a second shaft section (52) and a third shaft section (53) with sequentially increased diameters, the diameters of the second shaft section (52) are matched with the pin holes and are in sliding connection with the pin holes, the third shaft section (53) is in sliding connection with the sleeve (72), the spring (6) is sleeved outside the second shaft section (52), the left end of the spring (6) is in contact with the bottom of the pin groove (73), and the right end of the spring (6) is in contact with the left end of the third shaft section (53).

5. A workpiece anti-falling device according to claim 3, characterized in that one end of the pin (5) is provided with a limiting member (8), the limiting member (8) is detachably fixed at the left end of the first shaft section (51), the limiting member (8) is located at the outer side of the fixing member (7), and the diameter of the limiting member (8) is larger than that of the second shaft section (52).

6. A workpiece anti-falling device according to claim 2, characterized in that the fixing member (7) further comprises a connecting member (74), one end of the connecting member (74) is connected with the fixing frame (71), and the other end is fixed on the side plate (3).

7. A work piece fall arrest device according to claim 6, wherein the connector (74) is secured to the side plate (3) by means of screws.

8. The workpiece anti-falling device according to claim 1, further comprising a guide rail (9), wherein the guide rail is fixed on the support frame (1), the guide rail (9) is matched with the shape of the upper end of the side plate (3), the side plate (3) is positioned on the inner side of the guide rail (9), and the guide rail (9) is connected in a sliding manner.

9. The workpiece anti-falling device according to claim 1, wherein one side of the side plate (3) contacting the workpiece is provided with a plurality of flexible press block assemblies (4), and each flexible press block assembly (4) is symmetrically distributed on two sides of the anti-falling structure.

10. The workpiece anti-falling device according to claim 9, characterized in that the flexible press block assembly (4) comprises a connecting layer and a rubber layer, one end of the connecting layer is fixed on the side plate (3), and the rubber layer is fixed at one end of the connecting layer, which is close to the workpiece.