CN216828361U - Thimble mechanism for stamping die - Google Patents

Abstract

The utility model discloses an ejector pin mechanism for stamping die, which comprises a supporting table and a locking mechanism, wherein a female die is arranged at the top of the supporting table, the inside of the female die is symmetrically and slidably connected with sliding plates, transmission rods are fixedly connected with the middle parts of the two sliding plates, a connecting plate is fixedly connected between the two transmission rods, an ejector pin is fixedly connected with the top of the connecting plate, a third spring is sleeved outside the transmission rods, a male die is arranged above the female die, compression rods are symmetrically and fixedly connected with the bottom of the male die, an inserted rod is fixedly connected with the bottom of the compression rods, a clamping block is slidably connected inside the inserted rod, a second spring is arranged at one side of the clamping block and inside the inserted rod, and the locking mechanism is arranged inside the transmission rods. The thimble is driven without extra power, so that the use cost is reduced.

Description

Thimble mechanism for stamping die

Technical Field

The utility model relates to a stamping die technical field specifically is a thimble mechanism for stamping die.

Background

The stamping die is a special technological device for processing materials into parts in cold stamping processing, and is called a cold stamping die, stamping is a pressure processing method for obtaining required parts by applying pressure to the materials by utilizing a die arranged on a press machine at room temperature to enable the materials to generate separation or plastic deformation, and a workpiece is easy to clamp in a concave die after stamping is completed, so that the workpiece needs to be pushed by a thimble to be convenient for people to take, but the existing thimble needs additional power to drive to enable the thimble to move, so that the production cost is high, and the requirements of people cannot be well met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die is with thimble mechanism to it all needs extra power to drive to propose the thimble in solving above-mentioned background art, makes the thimble motion, leads to manufacturing cost higher, the problem of satisfying people's demand that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thimble mechanism for stamping die, includes brace table and locking mechanical system, the die is installed at the top of brace table, the inside symmetry sliding connection of die has the slide, two the equal fixedly connected with transfer line in middle part of slide, two fixedly connected with connecting plate between the transfer line, the top fixedly connected with thimble of connecting plate, the outside cover of transfer line has No. three springs, the top of die is equipped with the terrace die, the bottom symmetry fixedly connected with depression bar of terrace die, the bottom fixedly connected with inserted bar of depression bar, the inside sliding connection of inserted bar has the fixture block, one side of fixture block and the internally mounted who is located the inserted bar have No. two springs, the inside of transfer line is equipped with locking mechanical system.

As a preferred scheme of the utility model, locking mechanical system includes the slot, the inside of transfer line be equipped with inserted bar complex slot, the inside of transfer line be equipped with fixture block complex draw-in groove, the inside sliding connection of transfer line has the riser, the middle part fixedly connected with horizontal pole of riser, the outside cover of horizontal pole has a spring.

As an optimized scheme of the utility model, the inside of die is equipped with horizontal pole complex dead slot.

As a preferred scheme of the utility model, the fixed frame of top fixedly connected with of brace table, the pneumatic cylinder is installed to one side of fixed frame, the output and the terrace die of pneumatic cylinder are connected.

As an optimal scheme of the utility model, the coefficient of stiffness of No. three springs is greater than the coefficient of stiffness of a spring and No. two springs.

As an optimized scheme of the utility model, the supporting bench install control panel, pneumatic cylinder and control panel electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a connecting plate, No. three springs, the transfer line that set up, slide and depression bar can make the thimble automatic with the work piece that the punching press was accomplished ejecting, make things convenient for people to take, do not need extra power drive thimble, use cost has been reduced, locking mechanical system through setting up, the fixture block, inserted bar and No. two springs can be with one section distance of the up pulling of transfer line, become flexible to the work piece, avoid the work piece too firm of card in the die, the elasticity of No. three springs is not enough, lead to the unable slide that promotes of No. three springs.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the present invention at B of FIG. 1;

FIG. 4 is an enlarged view of the present invention at C in FIG. 1;

fig. 5 is a schematic structural view of the cross bar of the present invention entering the empty groove.

In the figure: 1. a support table; 2. a female die; 3. a fixing frame; 4. a thimble; 5. a connecting plate; 6. a male die; 7. a hydraulic cylinder; 8. a pressure lever; 9. a locking mechanism; 91. a slot; 92. a cross bar; 93. a first spring; 94. a vertical plate; 95. a card slot; 10. a second spring; 11. a clamping block; 12. a transmission rod; 13. inserting a rod; 14. an empty groove; 15. a third spring; 16. a slide plate; 17. a control panel.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a thimble mechanism for a stamping die comprises a supporting table 1 and a locking mechanism 9, wherein a female die 2 is mounted at the top of the supporting table 1, sliding plates 16 are symmetrically and slidably connected inside the female die 2, transmission rods 12 are fixedly connected to the middle parts of the two sliding plates 16, a connecting plate 5 is fixedly connected between the two transmission rods 12, a thimble 4 is fixedly connected to the top of the connecting plate 5, the thimble 4 can eject a stamped workpiece out of the female die 2 for people to take, a third spring 15 is sleeved outside the transmission rods 12, the third spring 15 can be used for pushing the sliding plates 16, so that the thimble 4 can automatically move, no extra power is needed to drive the thimble 4 to move, the use cost is reduced, a male die 6 is arranged above the female die 2, compression rods 8 are symmetrically and fixedly connected to the bottom of the male die 6, insertion rods 13 are fixedly connected to the bottom of the compression rods 8, and clamping blocks 11 are slidably connected inside the insertion rods 13, the fixture block 11 can pull the transmission rod 12 upwards for a certain distance, so that the situation that the third spring 15 cannot push the sliding plate 16 due to the fact that a workpiece is clamped in the female die 2 too firmly is avoided, the second spring 10 is arranged on one side of the fixture block 11 and located inside the insertion rod 13, and the locking mechanism 9 is arranged inside the transmission rod 12.

The locking mechanism 9 comprises a slot 91, the slot 91 matched with the inserted rod 13 is arranged inside the transmission rod 12, a clamping groove 95 matched with the clamping block 11 is arranged inside the transmission rod 12, a vertical plate 94 is connected inside the transmission rod 12 in a sliding mode, a cross rod 92 is fixedly connected to the middle of the vertical plate 94, a first spring 93 is sleeved outside the cross rod 92, and the first spring 93 enables the cross rod 92 to automatically pop out of the transmission rod 12.

The hollow groove 14 matched with the cross rod 92 is formed in the female die 2, the cross rod 92 can move out of the transmission rod 12 through the hollow groove 14, the transmission rod 12 is prevented from blocking the fixture block 11, and the fixture block 11 can enter the clamping groove 95.

Wherein, the fixed frame 3 of top fixedly connected with of brace table 1, pneumatic cylinder 7 is installed to one side of fixed frame 3, and the output and the terrace die 6 of pneumatic cylinder 7 are connected, and pneumatic cylinder 7 can drive the motion of terrace die 6, carries out punching press work.

The stiffness coefficient of the third spring 15 is larger than the stiffness coefficients of the first spring 93 and the second spring 10, so that the driving rod 12 is prevented from moving downwards without the fixture block 11 entering the inserted rod 13.

Wherein, the installation of brace table 1 has control panel 17, and control panel 17 can be used for controlling pneumatic cylinder 7, makes things convenient for people to control, and pneumatic cylinder 7 and control panel 17 electric connection.

Specifically, during punching, a workpiece is placed in the female die 2, the hydraulic cylinder 7 is started through the control panel 17, the male die 6 moves downwards, the insert rod 13 is inserted into the slot 91, the fixture block 11 is extruded by the transmission rod 12 and moves towards the insert rod 13, the fixture block 11 compresses the second spring 10, then the transmission rod 12 moves downwards through the pressure lever 8, the transmission rod 12 moves the sliding plate 16, the sliding plate 16 compresses the third spring 15, the transmission rod 12 moves downwards through the connecting plate 5 to enable the thimble 4 to move downwards, when the cross rod 92 moves to one side of the empty slot 14, the first spring 93 bounces off to enable the cross rod 92 to move to the empty slot 14, the fixture block 11 enters the clamping slot 95 without being blocked by the cross rod 92, after punching, the male die 6 moves upwards, the fixture block 11 is driven to move upwards, the fixture block 11 enables the transmission rod 12 to move upwards, meanwhile, the third spring 15 bounces off to push the sliding plate 16, and the sliding plate 16 also enables the transmission rod 12 to move upwards, the transmission rod 12 enables the ejector pin 4 to move upwards through the connecting plate 5, the ejector pin 4 pushes the workpiece to move, the transmission rod 12 continues to move upwards, the cross rod 92 leaves the empty slot 14 and is extruded by the female die 2 to move towards the inside of the transmission rod 12, and the cross rod 92 pushes the clamping block 11 out of the clamping groove 95, so that the transmission rod 12 is separated from the inserting rod 13.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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 thimble mechanism for stamping die, includes brace table (1) and locking mechanical system (9), its characterized in that: the top of the supporting platform (1) is provided with a female die (2), the interior of the female die (2) is symmetrically and slidably connected with sliding plates (16), the middle parts of the two sliding plates (16) are fixedly connected with transmission rods (12), a connecting plate (5) is fixedly connected between the two transmission rods (12), the top of the connecting plate (5) is fixedly connected with a thimble (4), the outer side of the transmission rod (12) is sleeved with a third spring (15), a convex die (6) is arranged above the concave die (2), the bottom of the convex die (6) is symmetrically and fixedly connected with pressure rods (8), the bottom of the compression bar (8) is fixedly connected with an inserted bar (13), the inside of the inserted bar (13) is connected with a clamping block (11) in a sliding manner, a second spring (10) is arranged on one side of the clamping block (11) and inside the inserting rod (13), and a locking mechanism (9) is arranged inside the transmission rod (12).

2. The ejector pin mechanism for the stamping die as claimed in claim 1, wherein: locking mechanical system (9) are including slot (91), the inside of transfer line (12) be equipped with inserted bar (13) complex slot (91), the inside of transfer line (12) be equipped with fixture block (11) complex draw-in groove (95), the inside sliding connection of transfer line (12) has riser (94), the middle part fixedly connected with horizontal pole (92) of riser (94), the outside cover of horizontal pole (92) has spring (93).

3. The ejector pin mechanism for the stamping die as claimed in claim 2, wherein: and an empty groove (14) matched with the cross rod (92) is formed in the female die (2).

4. The ejector pin mechanism for the stamping die as claimed in claim 1, wherein: the top fixedly connected with of brace table (1) fixes frame (3), pneumatic cylinder (7) are installed to one side of fixed frame (3), the output and the terrace die (6) of pneumatic cylinder (7) are connected.

5. The ejector pin mechanism for the stamping die as claimed in claim 2, wherein: the stiffness coefficient of the third spring (15) is larger than the stiffness coefficients of the first spring (93) and the second spring (10).

6. The ejector pin mechanism for the stamping die as claimed in claim 4, wherein: the supporting table (1) is provided with a control panel (17), and the hydraulic cylinder (7) is electrically connected with the control panel (17).

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