CN215746203U

CN215746203U - Clamp mechanism of multi-station cold heading forming machine

Info

Publication number: CN215746203U
Application number: CN202121746363.1U
Authority: CN
Inventors: 刘荣洲
Original assignee: Hubei Yufeng Hardware Accessories Co ltd
Current assignee: Hubei Yufeng Hardware Accessories Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-08
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of multi-station cold heading forming machines, and discloses a clamp mechanism of a multi-station cold heading forming machine, which comprises a bedplate, a base plate, two clamping mechanisms and a clamping driving mechanism, wherein the bedplate is provided with a clamping driving mechanism; the base plate is horizontally arranged below the bedplate, a servo motor is vertically and upwards fixed at the middle position of the upper part of the base plate, the driving end of the servo motor is fixed at the middle position of the bottom of the bedplate, the clamping driving mechanisms are arranged at the middle position above the bedplate, and the two clamping mechanisms are symmetrically distributed on the bedplate relative to the clamping driving mechanisms. According to the clamping mechanism, different clamping mechanisms can be rotated according to the specification of a clamped workpiece, specifically, the servo motor is controlled to drive the bedplate to rotate, after the bedplate rotates to rotate a required clamping mechanism to a corresponding position, the servo motor works to drive the two toothed plates to be meshed through the gears to move the position, the two toothed plates are enabled to extend outwards, the left clamping arm and the right clamping arm are matched to clamp the workpiece, and the practicability is higher.

Description

Clamp mechanism of multi-station cold heading forming machine

Technical Field

The utility model relates to the technical field of multi-station cold heading forming machines, in particular to a clamp mechanism of a multi-station cold heading forming machine.

Background

A cold-heading forming machine for cutting and cold-extruding the treated metal wire to make it cold-heading formed in mould is composed of clamp module, clamp holder and clamp table fixed to machine base, and the clamp holder driven by the rocker arm of clamp conveyer to move the clamp module between moulds.

The utility model discloses a multistation cold heading machine clamping mechanism device is disclosed through retrieval publication No. CN 206632286U, though this utility model is provided with binding clip telescopic position, because the space enlarges automatic expansion when the binding clip telescopic position is stretched out to the clamp support arm, the same reason, because the space reduces and presss from both sides tight shrink when withdrawing, can prevent that the work piece from dropping, also solve simultaneously and open and the not accurate problem of shrink time control, the internally mounted of mounting panel has stop gear, utilize the impact force that the lift of spring buffering lift axle caused, extension equipment life.

However, the inventor finds that the technical scheme still has at least the following defects:

only a fixture that sets up among this technical scheme, a plurality of when unable centre gripping outside to the centre gripping scope, need operating personnel to change the chuck, waste time and energy, influence machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamp mechanism of a multi-station cold heading forming machine, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamp mechanism of a multi-station cold heading forming machine comprises a bedplate, a base plate, two clamping mechanisms and a clamping driving mechanism;

the substrate is horizontally arranged below the bedplate, a servo motor is vertically and upwards fixed at the middle position of the upper part of the substrate, a driving end of the servo motor is fixed at the middle position of the bottom of the bedplate, the clamping driving mechanism is arranged at the middle position above the bedplate, and the two clamping mechanisms are arranged at two sides of the bedplate;

push plates are movably arranged on the front side wall and the rear side wall of the bedplate, electric push rods which are arranged in the opposite horizontal directions are fixed on the front side wall and the rear side wall of the bottom of the bedplate, and the end parts of the driving rods of the two electric push rods are fixed with the push plates.

As a preferred embodiment of the present invention, the clamping driving mechanism includes a frame, a servo motor, two toothed plates parallel to each other, and a gear, the frame is fixed on the platen, the servo motor is vertically fixed on the frame downward, and the lower end of a driving rod of the servo motor is fixed at a middle position on the gear; the two toothed plates are respectively arranged at two ends of the bedplate and are meshed with the gears.

As a preferred embodiment of the present invention, the clamping mechanism includes a left clamping arm and a right clamping arm, the left clamping arm and the right clamping arm are movably hinged by a pin, the pin is fixed on the toothed plate, a limiting sliding sleeve is fixed on the bedplate, and the toothed plate movably penetrates through the limiting sliding sleeve.

In a preferred embodiment of the present invention, the clamping arms of the two clamping mechanisms are different in size.

As a preferred embodiment of the utility model, two parallel limiting rods are fixed on each push plate, and the two limiting rods are attached to clamping mechanisms distributed in respective directions; the middle part of one surface of the push plate, which is attached to the bedplate, is fixed with a stabilizer bar, and the stabilizer bar is movably inserted in the bedplate.

Compared with the prior art, the utility model has the following beneficial effects:

the clamping mechanism can rotate different clamping mechanisms according to the specification of a clamped workpiece, specifically, a servo motor is controlled to drive a bedplate to rotate, after the bedplate rotates to rotate a required clamping mechanism to a corresponding position, the servo motor works to drive two toothed plates to engage and move the position through a gear, the two toothed plates are guaranteed to extend outwards, then after a left clamping arm and a right clamping arm are matched to clamp the workpiece, the servo motor drives the gear to rotate reversely, so that the toothed plates are driven to reset, and the workpiece can be tightly clamped until the left clamping arm and the right clamping arm abut against the limiting columns of the bedplate.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is an overall top view of a clamping mechanism of a multi-station cold heading forming machine according to the present invention;

fig. 2 is a schematic structural view of a gear and toothed plate connection of the clamping mechanism of the multi-station cold heading forming machine according to the utility model;

FIG. 3 is a side view of the machine frame of the clamping mechanism of the multi-station cold heading forming machine at a position above the platen;

fig. 4 is a schematic side view of the distribution positions of the push plate and the electric push rod on the platen of the clamping mechanism of the multi-station cold heading forming machine according to the utility model.

In the figure: 1. a platen; 2. a limiting sliding sleeve; 3. a gear; 4. a toothed plate; 5. a servo motor; 6. a right clamp arm; 7. a pin shaft; 8. a left clamp arm; 9. a rubber pad; 10. a frame; 11. a servo motor; 12. a substrate; 13. a limiting column; 14. pushing the plate; 15. a stabilizer bar; 16. an electric push rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to 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, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a clamp mechanism of a multi-station cold heading forming machine comprises a bedplate 1, a base plate 12, two clamping mechanisms and a clamping driving mechanism;

the substrate 12 is horizontally arranged below the bedplate 1, a servo motor 11 is vertically and upwards fixed at the middle position of the upper part of the substrate 12, the driving end of the servo motor 11 is fixed at the middle position of the bottom of the bedplate 1, the clamping driving mechanisms are arranged at the middle position above the bedplate 1, and the two clamping mechanisms are symmetrically distributed on the bedplate 1 relative to the clamping driving mechanisms;

push plates 14 are arranged on the front side wall and the rear side wall of the bedplate 1, electric push rods 16 which are arranged horizontally in an opposite mode are fixed on the front side and the rear side of the bottom of the bedplate 1, and the end parts of driving rods of the two electric push rods 16 are fixed with the push plates 14.

Referring to fig. 1 and 2, in the present embodiment, the clamping driving mechanism includes a frame 10, a servo motor 5, two toothed plates 4 parallel to each other, and a gear 3, the frame 10 is fixed on the platen 1, the servo motor 5 is vertically fixed on the frame 10 downward, and a lower end of a driving rod of the servo motor 5 is fixed at a middle position on the gear 3; two pinion racks 4 set up the both ends on platen 1 respectively, and two pinion racks 4 mesh with 3 outer walls of gear, in this setting, can be according to the rotatory different fixture of specification of centre gripping work piece, specifically do, control servo motor 11 drives platen 1 and rotates, and platen 1 is rotatory behind the fixture rotation that will need to the position that corresponds, and servo motor 5 work drives two pinion racks 4 through gear 3 and meshes the shift position, guarantees that two pinion racks 4 outwards stretch out.

Referring to fig. 1 and 2, in an embodiment, the clamping mechanism includes a left clamping arm 8 and a right clamping arm 6, the left clamping arm 8 and the right clamping arm 6 are movably hinged by a pin 7, the pin 7 is fixed on the toothed plate 4, a limiting sliding sleeve 2 is fixed on the bedplate 1, and the toothed plate 4 movably penetrates through the limiting sliding sleeve 2. In this setting, the stable position that moves on platen 1 of pinion rack 4 can be guaranteed to spacing sliding sleeve 2.

Referring to fig. 1, 2 and 4, further, the clamping arms of the two clamping mechanisms have different sizes, two parallel limiting rods 13 are fixed on each push plate 14, and the two limiting rods 13 are attached to the clamping mechanisms distributed in respective directions; the middle part of one surface of the push plate 14, which is attached to the bedplate 1, is fixed with a stabilizer bar 15, and the stabilizer bar 15 is movably inserted in the bedplate 1. In this setting, when two arm lock were removed and are stretched out, electric putter 16 who corresponds with it also can work and drive push pedal 14 and outwards remove, guarantee that push pedal 14 and arm lock mechanism produce removal in opposite directions, left arm lock 8 and right arm lock 6 carry out the centre gripping back to article when needs centre gripping article, electric putter 16 continues to drive push pedal 14 and removes towards arm lock mechanism direction, support when spacing post 13 until left arm lock 8 and right arm lock 6 centre gripping post, just can inseparable centre gripping work piece, electric putter 16 and pinion rack 4 drive push pedal 14 and fixture simultaneously at last and reset and can remove the work piece by the centre gripping.

It should be noted that the present invention is a clamping mechanism of a multi-station cold heading forming machine, each of which is a universal standard component or a component known to those skilled in the art, and the structure and principle of the clamping mechanism can be known to those skilled in the art through technical manuals or through routine experimental methods.

The working principle is as follows: can be according to the rotatory different fixture of specification of centre gripping work piece, specifically do, control servo motor 11 drives platen 1 and rotates, and platen 1 is rotatory after the fixture that will need rotates the position that corresponds, and servo motor 5 work drives two pinion racks 4 through gear 3 and meshes the shift position, guarantees that two pinion racks 4 outwards stretch out. When the two clamping arms are moved out and the workpiece falls between the two clamping arms, the corresponding electric push rod 16 will also work to drive the push plate 14 to move outwards. When the limiting column 13 abuts against the clamping arm, the workpiece can be tightly clamped, and finally, the electric push rod 16 and the servo motor 5 are started simultaneously to drive the push plate 14 and the clamping arm to reset so as to move the clamped workpiece.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a clamp mechanism of multistation cold-heading make-up machine which characterized in that: comprises a bedplate (1), a base plate (12), two clamping mechanisms and a clamping driving mechanism;

the base plate (12) is horizontally arranged below the bedplate (1), a servo motor (11) is vertically and upwards fixed at the middle position of the upper part of the base plate (12), the driving end of the servo motor (11) is fixed at the middle position of the bottom of the bedplate (1), the clamping driving mechanism is arranged at the middle position above the bedplate (1), and the two clamping mechanisms are arranged at two sides of the bedplate (1);

push plates (14) are movably arranged on the front side wall and the rear side wall of the bedplate (1), electric push rods (16) which are arranged horizontally in an opposite mode are fixed on the front side wall and the rear side wall of the bottom of the bedplate (1), and the end parts of driving rods of the two electric push rods (16) are fixed with the push plates (14).

2. The clamping mechanism of a multi-station cold heading forming machine according to claim 1, wherein: the clamping driving mechanism comprises a rack (10), a servo motor (5), two toothed plates (4) parallel to each other and a gear (3), the rack (10) is fixed on the bedplate (1), the servo motor (5) is vertically and downwards fixed on the rack (10), and the lower end of a driving rod of the servo motor (5) is fixed in the middle position of the gear (3); the two toothed plates (4) are respectively arranged at two ends of the bedplate (1), and the two toothed plates (4) are meshed with the gear (3).

3. The clamping mechanism of a multi-station cold heading forming machine according to claim 2, wherein: the clamping mechanism comprises a left clamping arm (8) and a right clamping arm (6), the left clamping arm (8) and the right clamping arm (6) are movably hinged through a pin shaft (7), the pin shaft (7) is fixed on the toothed plate (4), the clamping mechanism is located above the bedplate (1) and is fixed with a limiting sliding sleeve (2), and the toothed plate (4) movably penetrates through the limiting sliding sleeve (2).

4. The clamping mechanism of a multi-station cold heading forming machine according to claim 1, wherein: the clamping arms of the two clamping mechanisms are different in size.

5. The clamping mechanism of a multi-station cold heading forming machine according to claim 1, wherein: two parallel limiting rods (13) are fixed on each push plate (14), and the two limiting rods (13) are attached to clamping mechanisms distributed in respective directions; a stabilizer bar (15) is fixed in the middle of one surface, which is attached to the bedplate (1), of the push plate (14), and the stabilizer bar (15) is movably inserted into the bedplate (1).