CN212190975U - Mould pressing piece ejection device - Google Patents

Abstract

The utility model provides a mould pressing spare ejecting device, the purpose is solved current ejecting device's knockout rod and is not convenient for adjust the technical problem of stroke. The adopted technical scheme is as follows: a mould pressing piece ejection device comprises an ejection rod, a positioning piece and a height adjusting mechanism; the ejection rod is driven by an oil cylinder; the positioning piece is arranged on the outer side of the lower die mounting seat and is fixedly connected with the ejector rod through a connecting piece; the lower die mounting seat is provided with an opening for a connecting piece to pass through and extend to the top; the height adjusting mechanism comprises a bracket provided with a first strip-shaped hole, and a first position sensor and a second position sensor which are arranged in the first strip-shaped hole, and the first strip-shaped hole extends along the vertical direction; the oil cylinder, the first position sensor and the second position sensor are respectively electrically connected with the controller; the first position sensor is positioned above the positioning piece and limits the high position of the positioning piece; the second position sensor is positioned below the positioning piece and limits the low position of the positioning piece.

Description

Mould pressing piece ejection device

Technical Field

The utility model relates to a stamping equipment technical field, concretely relates to moulded piece ejecting device.

Background

When punching press is carried out to metal blank through the punch press, can set up the current liftout hole of confession liftout bar at the lower mould usually, accomplish the punching press back when metal blank, the liftout bar can be pushed up under the drive of power supply, with ejecting in the lower mould of stamping forming's product to the operating personnel of being convenient for gets and takes the product.

When products with different shapes and sizes need to be produced, the original upper and lower dies on the mounting seat need to be dismantled, and new upper and lower dies need to be installed. Different lower dies are often different in thickness, and the ejection height or stroke of the ejection rod needs to be correspondingly adjusted to ensure that the ejection rod can normally work. However, the ejector rod and the power source thereof are often installed in the installation seat of the lower die, and the defects of complex operation and low efficiency exist in adjusting the stroke of the ejector rod.

Disclosure of Invention

An object of the utility model is to provide a mould pressing ejecting device, the stroke of its ejector pin can be adjusted by convenient and fast ground.

In order to achieve the above object, the utility model adopts the following technical scheme:

a molded part ejection device comprising:

the ejection rod is driven by the oil cylinder and corresponds to the ejection hole of the lower die;

the positioning piece is arranged on the outer side of the lower die mounting seat and is fixedly connected with the ejector rod through a connecting piece; the lower die mounting seat is provided with an opening for a connecting piece to pass through and extend to the top;

the height adjusting mechanism comprises a bracket provided with a first strip-shaped hole, and a first position sensor and a second position sensor which are arranged in the first strip-shaped hole, wherein the first strip-shaped hole extends along the vertical direction;

the oil cylinder, the first position sensor and the second position sensor are respectively electrically connected with the controller; the first position sensor is positioned above the positioning piece and limits the high position of the positioning piece; the second position sensor is positioned below the positioning piece and limits the low position of the positioning piece.

Preferably, the oil cylinder is installed on the outer side of the lower die installation seat, and the oil cylinder drives the ejection rod to move up and down through the driving connecting piece.

Preferably, the hydro-cylinder sets up the engaging lug that has the second bar hole, the second bar hole extends along vertical direction, lower mould mount pad outer wall sets up the mounting hole with the second bar hole adaptation, the hydro-cylinder is through wearing to establish the bolt fastening in second bar hole at lower mould mount pad outer wall.

Preferably, the bottom of ejector rod sets up the connector that has the external screw thread, the connecting piece set up with the screw thread through-hole of connector adaptation, the diameter of ejector rod is greater than the diameter of connector.

Preferably, the lower die mounting seat is provided with a guide groove which is used for limiting the connecting piece and vertically extending to the top of the lower die mounting seat, and the connecting piece is provided with a bulge matched with the guide groove.

Preferably, the protrusion of the connecting piece is provided with a roller which runs along the guide groove.

The utility model discloses a theory of operation does: when the oil cylinder drives the ejector rod to move upwards and eject a product, the positioning piece fixedly connected with the ejector rod through the connecting piece moves upwards synchronously; when the first position sensor detects the positioning piece, a signal is sent to the controller, and the controller sends an instruction to the oil cylinder after receiving the signal of the first position sensor, so that the oil cylinder is reversed, and the ejector rod and the positioning piece are driven to move downwards; when the second position sensor detects the positioning piece, the second position sensor sends a signal to the controller, and the controller sends an instruction to the oil cylinder after receiving the signal of the second position sensor, so that the oil cylinder is reversed again, and the ejector rod and the positioning piece are driven to move upwards. The first position sensor or the second position sensor is arranged at different positions of the first strip-shaped hole, so that the height of the first position sensor or the second position sensor can be adjusted, and then the high position and the low position of the positioning piece and the ejector piece during up-and-down reciprocating motion are adjusted.

Therefore, the utility model has the advantages that: the stroke of the ejector rod can be conveniently and quickly adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings 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 some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of another aspect of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of a connector;

FIG. 5 is a schematic view of the ejector pin configuration;

FIG. 6 is a schematic structural diagram of a first position sensor;

reference numerals: 1. ejecting the rod; 2. an oil cylinder; 3. a positioning member; 4. a lower die mounting seat; 5. a connecting member; 6. a first bar-shaped hole; 7. a support; 8. a first position sensor; 9. a second position sensor; 10. a controller; 11. a second bar-shaped hole; 12. a connector; 13. a threaded through hole; 14. a guide groove; 15. a protrusion; 16. and a roller.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 6.

The embodiment of the utility model provides a moulded piece ejecting device, this moulded piece ejecting device includes:

an ejector rod 1 driven by an oil cylinder 2 and corresponding to an ejector hole of the lower die; it will be appreciated that the ejector rod 1 is provided in the lower die mounting block 4, and a passage extending to the top for the ejector rod 1 to pass through is provided in the lower die mounting block 4.

The positioning piece 3 is arranged on the outer side of the lower die mounting seat 4 and is fixedly connected with the ejector rod 1 through a connecting piece 5; the lower die mounting seat 4 is provided with an opening for the connecting piece 5 to pass through and extend to the top.

Height adjusting mechanism, it is including the support 7 that is equipped with first bar hole 6 and install first position sensor 8 and the second position sensor 9 in first bar hole 6, first bar hole 6 extends along vertical direction. It should be understood that the first position sensor 8 and the second position sensor 9 are respectively provided with a through hole adapted to the first strip-shaped hole 6, and are fixedly connected to the bracket 7 through bolts penetrating through the through holes.

The oil cylinder 2, the first position sensor 8 and the second position sensor 9 are respectively electrically connected with a controller 10; the first position sensor 8 is positioned above the positioning part 3 and limits the high position of the positioning part 3; the second position sensor 9 is located below the positioning element 3 and defines the lower position of the positioning element 3.

When the oil cylinder 2 drives the ejector rod 1 to move upwards and eject a product, the positioning piece 3 fixedly connected with the ejector rod 1 through the connecting piece 5 synchronously moves upwards; when the first position sensor 8 detects the positioning piece 3, a signal is sent to the controller 10, and after receiving the signal of the first position sensor 8, the controller 10 sends an instruction to the oil cylinder 2, so that the oil cylinder 2 is reversed to drive the ejector rod 1 and the positioning piece 3 to move downwards; when the second position sensor 9 detects the positioning member 3, a signal is sent to the controller 10, and the controller 10 sends an instruction to the oil cylinder 2 after receiving the signal of the second position sensor 9, so that the oil cylinder 2 is reversed again, and the ejector rod 1 and the positioning member 3 are driven to move upwards. Through installing first position sensor 8 or second position sensor 9 in the different positions of first bar hole 6, can adjust first position sensor 8 or second position sensor 9's height, and then adjust high-order and low level of setting element 3 and ejector member when reciprocating up and down. The utility model discloses can convenient and fast ground adjust the stroke of ejector rod 1, have the value of using widely.

As the utility model discloses a further optimization, the outside at lower mould mount pad 4 is installed to hydro-cylinder 2, hydro-cylinder 2 drives ejector pin 1 through drive connecting piece 5 and reciprocates. It should be understood that the oil cylinder 2 is arranged on the outer side of the lower die mounting seat 4, so that the disassembly and the maintenance are more convenient.

Further, 2 hydro-cylinders set up the engaging lug that has second bar hole 11, second bar hole 11 extends along vertical direction, 4 outer walls of lower mould mount pad set up with the mounting hole of 11 adaptations of second bar hole, 2 hydro-cylinders are through wearing to establish the bolt fastening at second bar hole 11 at 4 outer walls of lower mould mount pad. It should be understood that the height of the oil cylinder 2 can be adjusted conveniently and quickly by aligning different positions of the second strip-shaped hole 11 with mounting holes of the outer wall of the lower die mounting seat 4 and tightening bolts.

Further, the bottom of ejector rod 1 sets up connector 12 that has the external screw thread, connecting piece 5 sets up the screw through hole 13 with connector 12 adaptation, the diameter of ejector rod 1 is greater than the diameter of connector 12. It should be understood that, the connection of the ejector rod 1 and the connecting piece 5 can be completed by screwing the connector 12 at the bottom end of the ejector rod 1 into the threaded through hole 13 of the connecting piece 5, the ejector rod 1 and the connecting piece 5 are connected in a threaded connection mode, and the ejector rod is convenient to disassemble and assemble and convenient to maintain or replace in the later period.

Further, lower mould mount pad 4 sets up constitutes spacing, vertical guide way 14 that extends to lower mould mount pad 4 top to connecting piece 5, connecting piece 5 sets up the arch 15 with guide way 14 adaptation. It should be understood that the protrusion 15 of the connecting member 5 is limited in the guiding groove 14 of the lower die mounting seat 4, so as to limit the connecting member 5 and prevent the limiting member and the ejector rod 1 from being tilted when reciprocating up and down.

Further, the protrusion 15 of the connecting member 5 is provided with a roller 16 running along the guide groove 14. It will be appreciated that the provision of the rollers 16 on the projections 15 of the coupling element 5 greatly reduces the friction between the coupling element 5 and the guide grooves 14, thereby reducing wear on the coupling element 5 and reducing energy consumption.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims (6)

1. A mould pressing ejection device is characterized in that: the method comprises the following steps:

an ejector rod (1) driven by the oil cylinder (2) and corresponding to the ejector hole of the lower die;

the positioning piece (3) is arranged on the outer side of the lower die mounting seat (4) and is fixedly connected with the ejector rod (1) through a connecting piece (5); the lower die mounting seat (4) is provided with an opening for the connecting piece (5) to pass through and extend to the top;

the height adjusting mechanism comprises a support (7) provided with a first strip-shaped hole (6), and a first position sensor (8) and a second position sensor (9) which are arranged in the first strip-shaped hole (6), wherein the first strip-shaped hole (6) extends along the vertical direction;

the oil cylinder (2), the first position sensor (8) and the second position sensor (9) are respectively electrically connected with the controller (10); the first position sensor (8) is positioned above the positioning piece (3) and limits the high position of the positioning piece (3); the second position sensor (9) is positioned below the positioning piece (3) and limits the low position of the positioning piece (3).

2. The die press ejection apparatus of claim 1, wherein: the oil cylinder (2) is installed on the outer side of the lower die installation seat (4), and the oil cylinder (2) drives the ejector rod (1) to move up and down through the driving connecting piece (5).

3. The die press ejection apparatus of claim 2, wherein: hydro-cylinder (2) set up the engaging lug that has second bar hole (11), second bar hole (11) extend along vertical direction, lower mould mount pad (4) outer wall sets up the mounting hole with second bar hole (11) adaptation, hydro-cylinder (2) are through the bolt fastening who wears to establish in second bar hole (11) at lower mould mount pad (4) outer wall.

4. The die press ejection apparatus of claim 2, wherein: the bottom of ejector rod (1) sets up connector (12) that has the external screw thread, connecting piece (5) set up screw through hole (13) with connector (12) adaptation, the diameter of ejector rod (1) is greater than the diameter of connector (12).

5. The die press ejection apparatus according to claim 2 or 3, wherein: lower mould mount pad (4) set up constitute spacing, vertical guide way (14) that extend to lower mould mount pad (4) top to connecting piece (5), connecting piece (5) set up protruding (15) with guide way (14) adaptation.

6. The die press ejection apparatus of claim 5, wherein: the bulges (15) of the connecting pieces (5) are provided with rollers (16) which run along the guide grooves (14).

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