CN217964732U - Casting up-down ejection clamp - Google Patents

Abstract

The utility model relates to the technical field of anchor clamps, especially, relate to an ejecting anchor clamps about foundry goods, including mill the tool seat of honour, with mill tool seat of honour about sliding connection last thimble, mill the tool seat of honour and set up at the inside lower thimble of milling the tool seat of honour, the top of thimble extends to the top of milling the tool seat of honour down, still includes the ejection mechanism who is used for with foundry goods and last thimble and lower thimble separation, through under the prerequisite that remains original thimble, increases and has designed pneumatic or hydraulic ejection mechanism, has solved the problem of foundry goods card on the ejector pin, and pneumatic or hydraulic ejection mechanism can break away from foundry goods and ejector pin are automatic, and fixes the foundry goods in a position, makes things convenient for manipulator automatic positioning to snatch the foundry goods, provides the foundation for realizing automation, unmanned processing.

Description

Casting up-down ejection clamp

Technical Field

The utility model relates to an anchor clamps technical field specifically is ejecting anchor clamps from top to bottom of foundry goods.

Background

The thimble anchor clamps of installation on the current situation equipment are fixed, and after the clamping foundry goods processing, when the thimble rises the separation, the thimble can be absorbed in the downthehole foundry goods of blocking of foundry goods, and operating personnel need swing the foundry goods hard and just can take out the foundry goods, and it is time-consuming and difficult to take out. The original clamping mode can also cause the casting to be clamped on the upper thimble for a moment, and clamped on the lower thimble for a moment, the position is not fixed, and the difficulty in taking the casting cannot meet the requirement of automatic feeding and discharging of the labor-saving manipulator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ejecting anchor clamps about foundry goods to the thimble that proposes in solving above-mentioned background art holds and is absorbed in gradually and blocks the foundry goods in, is difficult for going up unloading problem.

In order to achieve the above object, the utility model provides a following technical scheme: the casting vertical ejection fixture comprises a milling fixture upper seat, an upper ejector pin vertically and slidably connected with the milling fixture upper seat, a milling fixture lower seat, a lower ejector pin arranged in the milling fixture lower seat, wherein the top end of the lower ejector pin extends to the upper side of the milling fixture lower seat, and the casting vertical ejection fixture further comprises an ejection mechanism used for separating a casting from the upper ejector pin and the lower ejector pin.

Preferably, the ejection mechanism comprises an upper ejection sleeve arranged outside the upper ejector pin in a sliding manner through a first driving structure and a lower ejection sleeve arranged outside the lower ejector pin in a sliding manner through a second driving structure, the first driving structure drives the upper ejection sleeve to slide up and down along the length direction of the upper ejector pin, the length of the upper ejector pin is greater than that of the upper ejection sleeve, the second driving structure drives the lower ejection sleeve to slide up and down along the length direction of the lower ejector pin, and the length of the lower ejector pin is greater than that of the lower ejection sleeve.

Preferably, first drive structure is including setting up at the inside upper plenum of milling tool seat of honour and setting up the upper cover in upper plenum one end, it is provided with the through-hole that holds the apical cover and pass to go up to cover to run through, the one end of going up the apical cover passes the inside that the through-hole extends to the upper plenum, and is provided with the piston that closely laminates with the upper plenum inner wall on the upper bonnet of upper plenum inner portion, the piston separates into two upper and lower cavities of mutually independent with the upper plenum, and is provided with first import and second import on two cavities respectively for to two cavity inside transport gas or hydraulic oil, the drive piston slides from top to bottom in upper plenum is inside.

Preferably, the second drive structure is including setting up the lower cavity of milling the tool lower seat inside and setting up the lower seat lid in cavity one end down, it is provided with the through-hole that holds down the apical cover and pass to cover to run through down, the one end of apical cover passes the inside that the through-hole extends to cavity down, and is provided with the piston that closely laminates with cavity inside wall down on the apical cover down of cavity inside, two upper and lower cavities that mutually independent are separated into to the cavity down to the piston, and is provided with third import and fourth import on two cavities respectively for to two cavity inside transport gas or hydraulic oil, the drive piston slides from top to bottom under cavity is inside.

Preferably, the number of the lower ejector pins, the lower ejector sleeve and the second driving structure is two.

Preferably, the top end of the upper ejector pin is provided with an upper positioning block with a size larger than the sectional size of the upper ejector pin, and the top end of the upper milling jig seat is provided with an embedding groove matched with the upper positioning block.

Preferably, the opposite ends of the upper thimble and the lower thimble are provided with positioning tips with gradually reduced radiuses.

Preferably, the bottom end of the lower ejector pin is provided with a lower positioning block of which the size is larger than the sectional size of the lower ejector pin, the bottom end of the lower milling jig base is provided with an embedded groove matched with the lower positioning block, and the lower positioning block is fixed in the embedded groove.

Compared with the prior art, the beneficial effects of the utility model are that: the casting is ejected from the top and the bottom

(1) On the premise of keeping the original ejector pin, a pneumatic or hydraulic ejection mechanism is additionally designed, so that the problem that the casting is clamped on the ejector pin is solved;

(2) The casting and the ejector rod can be automatically separated by the pneumatic or hydraulic ejection mechanism, the casting is fixed at one position, the casting can be conveniently and automatically positioned and grabbed by the manipulator, and a basis is provided for automatic and unmanned machining.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic front sectional view of the present invention.

In the figure: 1. milling an upper seat of the jig; 2. an upper thimble; 201. an upper positioning block; 3. a top sleeve is arranged; 4. a first drive structure; 401. an upper cavity; 402. an upper seat cover; 403. a first inlet; 404. a second inlet; 5. milling a lower seat of the jig; 6. a lower thimble; 601. a lower positioning block; 7. a lower top sleeve; 8. a second drive structure; 801. a lower cavity; 802. a lower seat cover; 803. a third inlet; 804. a fourth inlet; 9. and (5) casting.

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.

In the description of the present invention, it should be noted that the terms "first", "second", etc. are used for descriptive purposes only, do not specifically refer to an order or sequence, and are not intended to limit the present invention, but merely to distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "disposed" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the casting up-and-down ejection fixture comprises an upper milling jig seat 1, an upper thimble 2 connected with the upper milling jig seat 1 in an up-and-down sliding manner, a lower milling jig seat 5 and a lower thimble 6 arranged in the lower milling jig seat 5, wherein the top end of the lower thimble 6 extends to the upper side of the lower milling jig seat 5, four corners of the upper milling jig seat 1 and the lower milling jig seat 5 are respectively provided with a mounting hole, the top end of the upper thimble 2 is provided with an upper positioning block 201 with the size larger than the cross-sectional size of the upper thimble 2, the top end of the upper milling jig seat 1 is provided with an embedded groove matched with the upper positioning block 201, the upper thimble 2 can be fixedly connected with a driving piece (not shown in the figure) through bolts, and the upper thimble 2 is driven to slide up and down through the driving piece;

a lower positioning block 601 with the size larger than the cross-sectional size of the lower ejector pin 6 is arranged at the bottom end of the lower ejector pin 6, an embedded groove matched with the lower positioning block 601 is formed in the bottom end of the milling jig lower seat 5, and the lower positioning block 601 is fixed in the embedded groove;

the opposite ends of the upper thimble 2 and the lower thimble 6 are respectively provided with a positioning tip with gradually reduced radius for being inserted into the inner parts of holes at the upper end and the lower end of the casting 9 to realize positioning;

the casting up-down ejection fixture further comprises an ejection mechanism used for separating a casting 9 from an upper thimble 2 and a lower thimble 6, the ejection mechanism comprises an upper ejector sleeve 3 arranged outside the upper thimble 2 in a sliding manner through a first driving structure 4, and a lower ejector sleeve 7 arranged outside the lower thimble 6 in a sliding manner through a second driving structure 8, the first driving structure 4 drives the upper ejector sleeve 3 to slide up and down along the length direction of the upper thimble 2, the length of the upper thimble 2 is greater than that of the upper ejector sleeve 3, the second driving structure 8 drives the lower ejector sleeve 7 to slide up and down along the length direction of the lower thimble 6, and the length of the lower thimble 6 is greater than that of the lower ejector sleeve 7;

the first driving structure 4 comprises an upper cavity 401 arranged inside the milling fixture upper seat 1 and an upper seat cover 402 arranged at one end of the upper cavity 401, a through hole for accommodating the upper ejector sleeve 3 to pass through is arranged on the upper seat cover 402 in a penetrating manner, a sealing ring is arranged on the inner side wall of the through hole, one end of the upper ejector sleeve 3 passes through the through hole and extends into the upper cavity 401, a piston tightly attached to the inner side wall of the upper cavity 401 is arranged on the upper ejector sleeve 3 inside the upper cavity 401 and divides the upper cavity 401 into an upper cavity and a lower cavity which are independent from each other, a first inlet 403 and a second inlet 404 are respectively arranged on the two cavities and used for conveying gas or hydraulic oil into the two cavities, the piston is driven to slide up and down inside the upper cavity 401, during assembly, one end of the upper ejector sleeve 3 with the piston is inserted into the upper cavity 401, the upper seat cover 402 is fixed at the bottom end of the upper cavity 401 through a bolt, a closed space is formed inside the upper cavity 401, an upper ejector pin 2 passes through the inside of the upper ejector sleeve 3 and extends to the lower part of the upper ejector pin 3, and is a gap is sealed;

the second driving structure 8 comprises a lower cavity 801 arranged in the milling fixture lower seat 5 and a lower seat cover 802 arranged at one end of the lower cavity 801, a through hole for accommodating the lower top sleeve 7 to pass through is arranged on the lower seat cover 802 in a penetrating manner, a sealing ring is arranged on the inner side wall of the through hole, one end of the lower top sleeve 7 passes through the through hole and extends into the lower cavity 801, a piston tightly attached to the inner side wall of the lower cavity 801 is arranged on the lower top sleeve 7 in the lower cavity 801, the lower cavity 801 is divided into an upper cavity and a lower cavity which are independent from each other by the piston, a third inlet 803 and a fourth inlet 804 are respectively arranged on the two cavities and used for conveying gas or hydraulic oil into the two cavities, the piston is driven to slide up and down in the lower cavity 801, one end of the lower top sleeve 7 with the piston is inserted into the lower cavity 801 during assembly, the lower seat cover 802 is fixed at the top end of the lower cavity 801 through a bolt, a closed space is formed in the lower cavity 801, the lower top sleeve 6 passes through the lower top sleeve 7 and extends to the upper part of the lower top sleeve 7, and the lower top sleeve 6 is sealed with a gap;

the number of the upper ejector pins 2 and the number of the lower ejector pins 6 can be set according to actual requirements, a casting 9 in the embodiment is a middle piece valve casting of a multi-way valve of a 6-ton excavator, and is mainly used for a valve body for switching hydraulic oil ways driven by oil cylinders of large and small arms of the excavator, the number of the upper ejector pins 2, the number of the upper ejector pins 3 and the number of the first driving structures 4 are respectively provided with one, the upper ejector pins 2 are used for being inserted into the holes in the top end of the casting 9 to be positioned, the number of the lower ejector pins 6, the number of the lower ejector pins 7 and the number of the second driving structures 8 are respectively provided with two, the lower ejector pins 6, the lower ejector pins 7 and the second driving structures 8 are in one-to-one correspondence, and the lower ejector pins 6 are used for being inserted into the holes in the bottom end of the casting 9 to be positioned.

The working principle is as follows: before a manipulator (not shown) feeds materials, gas or hydraulic oil is introduced into a lower cavity of a lower cavity 801 through a third inlet 803 to drive a lower ejector sleeve 7 to eject upwards, the manipulator places a casting 9 on the ejected lower ejector sleeve 7, gas or hydraulic oil is introduced into an upper cavity of an upper cavity 401 through a first inlet 403 to drive an upper ejector sleeve 3 to eject downwards, the casting 9 is clamped between the upper ejector sleeve 3 and the lower ejector sleeve 7, an upper positioning block 201 is connected with a driving piece (not shown), the upper ejector pin 2 is continuously driven to slide downwards, positioning tips of the upper ejector pin 2 and the lower ejector pin 6 are sunk into a hole of the casting 9, then gas or hydraulic oil is introduced into the lower cavity of the upper cavity 401 through a second inlet 404, gas or hydraulic oil is introduced into the upper cavity of the lower cavity 801 through a fourth inlet 804 to retract the upper ejector sleeve 3 and the lower ejector sleeve 7, the upper ejector pin 2 reaches a pressing pressure, milling is carried out through a milling machine, after the milling process is finished, the upper ejector pin 2 simultaneously drives the upper ejector sleeve 3 and the lower ejector sleeve 7 to move out together, the casting is clamped at a fixed position, the manipulator is kept to clamp the casting 9, and the manipulator to clamp the casting 9, and the casting 9 is clamped by the manipulator, and the manipulator to be clamped at the fixed position, and the casting 9 is kept to be clamped by the manipulator, and the manipulator to be clamped.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. Ejecting anchor clamps about foundry goods, including mill tool upper bracket (1), with mill tool upper bracket (1) about sliding connection's last thimble (2), mill tool lower (5) and set up milling tool lower (5) inside lower thimble (6), the top of thimble (6) extends to the top of milling tool lower (5), its characterized in that down: still include the ejection mechanism who is used for with foundry goods (9) and last thimble (2) and lower thimble (6) separation, ejection mechanism includes and slides through first drive structure (4) and sets up go up the upper ejection cover (3) in the thimble (2) outside and slide through second drive structure (8) and set up lower ejection cover (7) in the thimble (6) outside down, first drive structure (4) drive upper ejection cover (3) slide from top to bottom along the length direction of last thimble (2), the length of going up thimble (2) is greater than the length of upper ejection cover (3), second drive structure (8) drive lower ejection cover (7) slide from top to bottom along the length direction of thimble (6) down, the length of thimble (6) is greater than the length of lower ejection cover (7) down.

2. The upper and lower casting ejection fixture of claim 1, wherein: first drive structure (4) including setting up at last cavity (401) of milling tool seat of honour (1) inside and setting up seat of honour lid (402) of last cavity (401) one end, go up and run through on seat of honour lid (402) and be provided with the through-hole that holds top cover (3) and pass, the one end of going up top cover (3) is passed the through-hole and is extended to the inside of supreme cavity (401), and is provided with the piston of closely laminating with last cavity (401) inside wall on the last top cover (3) of going up cavity (401) inside, the piston separates into two upper and lower cavities of mutual independence with last cavity (401), and is provided with first import (403) and second import (404) on two cavities respectively for to two cavity inside transport gas or hydraulic oil, drive piston slides from top to bottom in last cavity (401) inside.

3. The upper and lower casting ejection fixture of claim 1, wherein: second drive structure (8) are including setting up cavity (801) and lower seat lid (802) of setting cavity (801) one end under milling the tool down inside lower cavity (5), run through on lower seat lid (802) and be provided with the through-hole that holds down top cover (7) and pass, the one end of top cover (7) passes the through-hole and extends to the inside of cavity (801) down, and is provided with the piston that closely laminates with cavity (801) inside wall down on the inside lower top cover (7) of cavity (801) down, the piston will divide into two upper and lower cavities of mutual independence down cavity (801), and be provided with third import (803) and fourth import (804) on two cavities respectively for to the inside gas delivery or the hydraulic oil of two cavities, the drive piston slides from top to bottom in cavity (801) inside down.

4. The upper and lower casting ejection fixture of claim 1, wherein: the number of the lower ejector pins (6), the lower ejector sleeves (7) and the second driving structures (8) is two.

5. The upper and lower casting ejection fixture of claim 1, wherein: the top of going up thimble (2) is provided with size and is greater than last locating piece (201) of the cross-sectional dimension of going up thimble (2), the top of milling tool upper bracket (1) is provided with the caulking groove of matcing each other with last locating piece (201).

6. The upper and lower casting ejection fixture of claim 1, wherein: and one end of the upper thimble (2) opposite to one end of the lower thimble (6) is provided with a positioning tip with a gradually reduced radius.

7. The upper and lower casting ejection fixture of claim 1, wherein: the bottom of thimble (6) is provided with size and is greater than lower locating piece (601) of thimble (6) cross sectional dimension down, the bottom of milling tool lower base (5) is provided with the caulking groove that matches each other with lower locating piece (601), lower locating piece (601) are fixed in the caulking groove.

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