CN214610170U - Ejector rod assembly convenient to replace - Google Patents

Abstract

The utility model discloses a ejector pin subassembly convenient to change, which comprises a base, the connecting block is installed to the top inboard of base, and the inside of connecting block runs through there is the catch bar, the surface of catch bar is connected with first spring, the top of connecting block is connected with the ejector pin, and the top of ejector pin installs the carrier block, the last surface paste of carrier block is connected with the blotter, the middle part of carrier block is connected with extrusion mechanism, the inside of carrier block has been seted up the logical chamber that longitudinal section is "L" shape structure. This ejector pin subassembly convenient to change when needs are dismantled the ejector pin and are changed, through manual extrusion catch bar, control limiting plate monomer removes in the left and right sides respectively, makes the inclined plane of limiting plate right side below be in the latch segment directly over, only needs to stimulate the ejector pin upwards hard this moment, can make ejector pin and connecting block separation, carries out convenient dismantlement, and the convenience is changed impaired part.

Description

Ejector rod assembly convenient to replace

Technical Field

The utility model relates to a ejector pin subassembly technical field specifically is an ejector pin subassembly convenient to change.

Background

The ejector rod assembly is a device capable of jacking and moving a target object by controlling extension and retraction, is widely used by people on production and manufacturing of molds or other machining equipment, and can provide convenience for a machining process, but the ejector rod assembly convenient to replace in the current market still has the following problems:

1. the existing ejector rod component convenient to replace is inconvenient to rapidly disassemble and difficult to replace when individual parts in the component are seriously abraded, and has short service life;

2. the conventional ejector rod component convenient to replace is inconvenient to improve the grabbing force of a target object during ejection work, and is easy to cause slippage in the ejection process.

Aiming at the problems, the novel design is carried out on the basis of the original ejector rod assembly convenient to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ejector pin subassembly convenient to change to the common ejector pin subassembly of being convenient for change on the existing market that proposes in solving above-mentioned background art, when the part takes place serious wear in the subassembly, be not convenient for dismantle fast, be difficult to change, life is short, and is carrying out ejecting during operation, and inconvenient improvement is to the power of grabbing of purpose article, leads to the problem of slippage easily at ejecting in-process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a push rod subassembly convenient to change, includes the base, the connecting block is installed to the top inboard of base, and the inside of connecting block runs through there is the catch bar, the surface connection of catch bar has first spring, the top of connecting block is connected with the ejector pin, and the top of ejector pin installs the carrier block, the last surface paste of carrier block is connected with the blotter, and the blotter sets up for elastic structure, the middle part of carrier block is connected with extrusion mechanism, and extrusion mechanism's bottom is provided with the third spring, the logical chamber that longitudinal section is "L" shape structure is seted up to the inside of carrier block.

Preferably, the catch bar is provided with 2 in the inboard bilateral symmetry of connecting block, and catch bar and limiting plate fixed connection are the integral structure to the limiting plate constitutes horizontal sliding structure in the inboard of connecting block.

Preferably, limiting plate right side below is provided with the inclined plane, and the connected mode of limiting plate and latch segment is connected for the block, the connected mode of latch segment and installation pole is articulated, and the latch segment is the symmetry setting in the left and right sides of installation pole, be fixed with the second spring between the top of latch segment and the installation pole.

Preferably, the cross section of the locking block is in a semicircular annular structure, an inclined plane is arranged on the outer side of the top end of the locking block, the inner diameter of the locking block is equal to the outer diameter of the mounting rod, and the mounting rod forms a dismounting structure with the connecting block through the locking block.

Preferably, the inside of carrier block is run through and is provided with extrusion mechanism, and extrusion mechanism's inside includes activity stopper, connecting rod and lower activity stopper to activity stopper, connecting rod and lower activity stopper from the top down set gradually.

Preferably, the diameter of going up the movable stopper equals with lower movable stopper, and goes up the surface of movable stopper and lower movable stopper and all laminate mutually with the internal surface of carrier block, the inside of carrier block is the annular and has seted up logical chamber, and leads to the middle part cavity of chamber and carrier block and link up mutually.

Compared with the prior art, the beneficial effects of the utility model are that: the ejector rod component convenient to replace is provided with a plurality of ejector rods,

1. through the arrangement of the push rod, the limiting plate and the locking block, when the ejector rod needs to be disassembled and replaced, the push rod is manually extruded to control the limiting plate monomer to move on the left side and the right side respectively, so that the inclined plane on the lower right of the limiting plate is positioned right above the locking block, and at the moment, the ejector rod can be separated from the connecting block only by pulling the ejector rod upwards with force, so that the ejector rod is convenient to disassemble and replace the damaged part conveniently;

2. through setting up the blotter, extrusion mechanism and logical chamber, promote the in-process that the carrier block upwards moved, go up the movable stopper earlier with the article contact and take place the relative slip with the carrier block and contract, make the connecting rod drive down the movable stopper and remove downwards, under gaseous circulation effect, can be so that lead to intracavity portion atmospheric pressure and be less than the external world to the convenience adsorbs the article on elastic construction's cushion, improves the power of grabbing to the purpose article, avoids slipping at ejecting in-process.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the push rod and the limiting plate of the present invention;

FIG. 3 is a schematic view of the connection structure of the bearing block and the cushion pad of the present invention;

FIG. 4 is a schematic view of the overlooking structure of the connection between the limiting plate and the mounting rod of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. connecting blocks; 3. a push rod; 4. a first spring; 5. a limiting plate; 6. mounting a rod; 7. a locking block; 8. a second spring; 9. ejecting the rod; 10. a bearing block; 11. a cushion pad; 12. an extrusion mechanism; 1201. an upper movable plug; 1202. a connecting rod; 1203. a lower piston; 13. a third spring; 14. the cavity is communicated.

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.

Referring to fig. 1, fig. 2, fig. 4 and fig. 5, the present invention provides a technical solution: a push rod assembly convenient to replace comprises a base 1, in order to conveniently replace damaged parts, a connecting block 2 can be arranged on the inner side of the top end of the base 1, a push rod 3 is connected inside the connecting block 2, a first spring 4 is arranged on the outer surface of the push rod 3, a limiting plate 5 is connected at the tail end of the push rod 3, the limiting plate 5 is arranged in bilateral symmetry with respect to the central axis of an installation rod 6, locking blocks 7 are arranged on the left side and the right side of the bottom of the installation rod 6, a second spring 8 is arranged between the top end of the locking block 7 and the installation rod 6, single bodies of the limiting plate 5 arranged in bilateral symmetry with respect to the central axis of the installation rod 6 are driven to slide towards the left side and the right side respectively by extruding the push rod 3, the inclined plane at the lower right of the limiting plate 5 is positioned right above the locking block 7, at the moment, the push rod 9 can be separated from the connecting block 2 only by pulling the push rod 9 upwards with force, carry out convenient dismantlement, conveniently change impaired part.

Referring to fig. 1 and 2, in order to improve the grasping force of an object, an ejector rod 9 may be disposed at the top end of the mounting rod 6, a bearing block 10 is mounted at the upper end of the ejector rod 9 in a fixed connection manner, a cushion pad 11 is disposed on the upper surface of the bearing block 10 in a bonding connection manner, a squeezing mechanism 12 is disposed inside the bearing block 10 in a penetrating manner, the squeezing mechanism 12 includes an upper movable plug 1201, a connecting rod 1202 and a lower movable plug 1203 inside, the upper movable plug 1201, the connecting rod 1202 and the lower movable plug 1203 are sequentially disposed from top to bottom, a third spring 13 is connected to the bottom of the squeezing mechanism 12, a through cavity 14 is annularly formed inside the bearing block 10, during the ejection process, the upper movable plug 1201 contacts the object and slides relative to the bearing block 10 to contract, so that the connecting rod drives the lower movable plug 1203 to move downward, and under the circulation effect of gas, the pressure inside the through cavity 14 can be smaller than the outside, therefore, the articles can be conveniently adsorbed on the cushion pad 11 with the elastic structure, the holding power to the target articles is improved, and the slipping in the ejection process is avoided.

The working principle is as follows: when the ejector rod assembly convenient to replace is used, firstly, in the process of jacking a processed object by starting the ejector rod assembly, the extrusion mechanism 12 is attached to the bottom of the object in advance of the bearing block 10, and when the ejector rod assembly is jacked up, the upper movable plug 1201 and the bearing block 10 can slide relatively and contract under the action of pressure, meanwhile, the connecting rod 1202 drives the lower movable plug 1203 to move downwards, under the circulation action of air flow, the air pressure in the through cavity 14 can be smaller than the external normal air pressure, under the action of air pressure difference, the object can be conveniently adsorbed on the cushion pad 11 with an elastic structure, the grabbing effect on a target object can be effectively improved, and accidental slipping in the process of jacking the object can be avoided;

when causing serious wear in this ejector pin subassembly's permanent use, control ejector pin subassembly is in the extension state, and manual extrusion catch bar 3, make its drive move about the limiting plate 5 that 6 axis bilateral symmetry set up of installation pole towards the left and right sides respectively and remove, and make the inclined plane that limiting plate 5 bottom set up be in directly over latch segment 7, only need to make hard upwards the pulling of ejector pin 9 and installation pole 6 this moment, can make ejector pin 9 and connecting block 2 separation, carry out convenient dismantlement, conveniently change impaired part, above that just be the course of work of whole device, and the content of not making detailed description in this specification all belongs to the prior art that professional technical personnel in this field know.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a ejector pin subassembly convenient to change, includes base (1), its characterized in that: connecting block (2) are installed to the top inboard of base (1), and the inside of connecting block (2) runs through there is catch bar (3), the surface of catch bar (3) is connected with first spring (4), the top of connecting block (2) is connected with ejector rod (9), and the top of ejector rod (9) installs carrier block (10), the last surface paste of carrier block (10) is connected with blotter (11), and blotter (11) set up for elastic construction, the middle part of carrier block (10) is connected with extrusion mechanism (12), and the bottom of extrusion mechanism (12) is provided with third spring (13), logical chamber (14) that the longitudinal section is "L" shape structure are seted up to the inside of carrier block (10).

2. A ram assembly for easy replacement as claimed in claim 1, wherein: catch bar (3) are provided with 2 in the inboard bilateral symmetry of connecting block (2), and catch bar (3) are integrated structure with limiting plate (5) fixed connection to limiting plate (5) constitute horizontal sliding structure in the inboard of connecting block (2).

3. A ram assembly for easy replacement as claimed in claim 2, wherein: limiting plate (5) right side below is provided with the inclined plane, and the connected mode of limiting plate (5) and latch segment (7) is connected for the block, the connected mode of latch segment (7) and installation pole (6) is articulated, and latch segment (7) are the symmetry setting in the left and right sides of installation pole (6), be fixed with second spring (8) between the top of latch segment (7) and installation pole (6).

4. A ram assembly for easy replacement according to claim 3, wherein: the transversal semicircle loop configuration that personally submits of latch segment (7) sets up, and the top outside of latch segment (7) is provided with the inclined plane to the internal diameter size of latch segment (7) equals with the external diameter size of installation pole (6), the structure is dismantled in installation pole (6) constitution through latch segment (7) and connecting block (2).

5. A ram assembly for easy replacement as claimed in claim 1, wherein: the inside of carrier block (10) is run through and is provided with extrusion mechanism (12), and the inside of extrusion mechanism (12) includes last movable plug (1201), connecting rod (1202) and lower movable plug (1203), and goes up movable plug (1201), connecting rod (1202) and lower movable plug (1203) from the top down sets gradually.

6. A ram assembly for easy replacement as claimed in claim 5, wherein: the diameter of the upper movable plug (1201) is equal to that of the lower movable plug (1203), the outer surfaces of the upper movable plug (1201) and the lower movable plug (1203) are attached to the inner surface of the bearing block (10), the inside of the bearing block (10) is annular, a through cavity (14) is formed, and the through cavity (14) is communicated with a middle cavity of the bearing block (10).

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