CN110449872A - High-precision full-automatic screw-like workpiece erection device - Google Patents

Abstract

The invention discloses a high-precision automatic screw-shaped workpiece straightening device, which includes a base plate, a stamping device that can move relative to the base plate is provided above the base plate, and a punching device that matches the stamping device is provided on the base plate. A through hole, the through hole is used to place a screw-shaped workpiece, the lower bottom surface of the substrate is provided with a clamping jaw, and the clamping part of the clamping jaw is provided with a circular notch coaxial with the through hole, so The diameter of the notch is not larger than the diameter of the screw-shaped workpiece, and is used to abut against the outer surface of the screw-shaped workpiece, and the jaws move downward synchronously with the punching device after the screw-shaped workpiece is righted. The invention has a delicate structure, and the accuracy of fast pressing down the screw-shaped workpiece is improved by setting the clamping jaws to straighten and correct the deviation of the screw-shaped workpiece when pressing down the screw-shaped workpiece. Realize fully automated mechanical processing, liberate manpower, reduce operational risks, and improve production efficiency.

Description

High-precision automatic screw-shaped workpiece centralizing device

technical field

The invention relates to the technical field of mechanical processing, in particular to a high-precision automatic screw-shaped workpiece straightening device.

Background technique

In order to facilitate connection and installation on the workpiece, it is inevitable to install screws. The screw is usually in the shape of a metal round rod with a certain length. It is prone to skew during installation, so that it is not aligned with the screw hole, making it difficult to install and increasing the scrap rate. Therefore, the screws need to be straightened in time during the installation process to ensure that the screws and screw holes are always aligned. The existing screw installation is mainly through manual straightening, and then the electric gun is used to install the screw into the workpiece, but the manual work efficiency is limited, and there are potential safety hazards, which cannot meet the automatic production requirements of modern factories.

Therefore, when installing screws automatically, it is necessary to solve the problem that the screws are easily skewed.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art and provide a high-precision automatic screw-shaped workpiece centralizing device.

The purpose of the present invention is achieved through the following technical solutions:

The high-precision automatic screw-shaped workpiece straightening device includes a base plate, and a stamping device that can move relative to the base plate is arranged on the top of the base plate, and a through hole that matches the punching device is provided on the base plate. The hole is used to place a screw-shaped workpiece, the lower bottom surface of the substrate is provided with a clamping jaw, and a circular notch coaxial with the through hole is provided on the clamping part of the clamping jaw, and the diameter of the notch is not larger than The diameter of the screw-shaped workpiece is used to abut against the outer surface of the screw-shaped workpiece, and the clamping jaw moves downward synchronously with the stamping device after the screw-shaped workpiece is righted.

Preferably, two elastic pieces that can be stretched up and down are arranged vertically on the base plate, the bottom of the elastic pieces are fixed on the connecting plate, and the connecting plate is set on the back of the base plate.

Preferably, the elastic member has a return spring, and the return spring always exerts an upward force on the elastic member.

Preferably, the back side of the connecting plate is connected with the jaws and the first air cylinder, and the jaws are driven by the first air cylinder to realize the clamping action.

Preferably, the bottom of the stamping device has a push rod, and the diameter of the push rod is smaller than the diameter of the through hole.

Preferably, the stamping device is fixed on a bracket, and the bracket is slidably arranged on a slide bar, and a circular hole is provided on the bracket to avoid the position of the elastic member.

Preferably, a movable fixing mechanism is provided under the base plate to fix the workpiece to be processed.

Preferably, the fixing mechanism includes a placement table, a pressure shaft and a support frame, the support frame is vertically fixed on the placement table, the pressure shaft is opposite to the position of the support frame, and the pressure shaft holds the workpiece against the support frame.

Preferably, the pressure shaft is arranged at the front end of the second cylinder and driven forward by it.

Preferably, the bottom of the fixing mechanism is provided with a servo motor to drive it to move, and both sides of the bottom of the fixing mechanism are provided with sliding rails and chain plates for easy movement.

The beneficial effects of the present invention are mainly reflected in:

1. The structure is exquisite, and the accuracy of quickly pressing down the screw-shaped workpiece is improved by setting the jaws to correct the deviation when pressing down the screw-shaped workpiece;

2. Realize fully automatic mechanical processing, liberate manpower, reduce operational risks and improve production efficiency.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Fig. 1: the schematic diagram of the embodiment of the present invention;

Fig. 2: partial bottom view of the embodiment of the present invention;

Figure 3: Bottom view of the substrate in an embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are included within the protection scope of the present invention.

In the description of the scheme, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " The orientation or positional relationship indicated by "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation , constructed and operated in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Moreover, in the description of the solution, with the operator as a reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

As shown in Figures 1 to 2, the present invention discloses a high-precision automatic screw-shaped workpiece straightening device, which includes a base plate 1, and a stamping device 2 that can move relative to the base plate 1 is arranged above the base plate 1, so that The substrate 1 is provided with a through hole 101 matching the stamping device 2, the through hole 101 is used to place a screw-shaped workpiece (not shown in the figure), and the lower bottom surface of the substrate 1 is provided with a clamping claw 3. The clamping part 301 of the jaw 3 is provided with a circular notch 302 coaxial with the through hole 101, the diameter of the notch 302 is not larger than the diameter of the screw-shaped workpiece, and is used to abut the screw The outer surface of the screw-shaped workpiece, the clamping jaw 3 moves downward synchronously with the punching device 2 after straightening the screw-shaped workpiece.

As shown in FIG. 1 , the bottom of the stamping device 2 has a push rod 201 , and the diameter of the push rod 201 is smaller than the diameter of the through hole 101 to facilitate its fast passing through the through hole 101 .

As shown in Figures 1 and 2, two elastic members 102 that can be stretched up and down are vertically arranged on the base plate 1, and the bottom of the elastic members 102 is fixed on the connecting plate 4, and the connecting plate 4 is arranged on the back side of the substrate 1 . The elastic member 102 has a return spring 5 , and the return spring 5 always exerts an upward force on the elastic member 102 .

As shown in FIG. 2 , the back side of the connecting plate 4 is connected with the jaw 3 and the first air cylinder 6 , and the jaw 3 is driven by the first air cylinder 6 to realize the clamping action. Its working principle is: after the clamping jaw 3 clamps the screw-shaped workpiece, under the stamping of the stamping device 2, it moves down synchronously with the screw-shaped workpiece, and the connecting plate 4 follows the clamping jaw 3 Move down synchronously, at this time, the elastic member 102 compresses the return spring 5 downwards; after the screw-shaped workpiece is pressed into the workpiece to be processed, the clamping jaw 3 is released, separated from the screw-shaped workpiece, and simultaneously Under the action of the return spring 5 , the elastic member 102 resets upwards, and drives the connecting plate 4 to reset upwards, and the clamping jaw 3 follows the connecting plate 4 upwards and returns to its original position.

In order to fix the stamping device 2, a slide bar 9 is provided on the side of the base plate 1, a bracket 8 is slidably arranged on the slide bar 9, the stamping device 2 is fixed on the bracket 8, and the bracket 8 is connected with an air cylinder (not shown in the figure), and the support 8 slides up and down under the drive of the air cylinder. As shown in FIGS. 1 and 2 , the bracket 8 is provided with a round hole 801 for avoiding the position of the elastic member 102 .

In order to facilitate the pressing of screw-shaped workpieces, a movable fixing mechanism is provided under the base plate 1 to fix the workpieces to be processed. As shown in Figure 1, the fixing mechanism includes a placement table 10, a pressure shaft 11 and a support frame 12, and the support frame 12 is vertically fixed on the placement table 10, and the pressure shaft 11 and the support frame 12 are opposite to each other, and the pressure shaft 11 presses the workpiece against the support frame 12 . Specifically, the pressure shaft 11 is arranged at the front end of the second cylinder 13 and is driven to move forward by it. In order to reduce the wear between the contact surface with the workpiece to be processed, the front end of the pressure shaft 11 is also provided with shock-absorbing foam (not shown in the figure).

In order to further increase the flexibility of the fixing mechanism, so as to facilitate adjustment in actual use, the bottom of the fixing mechanism is provided with a servo motor 14 to drive it to move, and the two sides of the bottom of the fixing mechanism are provided with sliding rails 15 for easy movement And chain plate 16. Its working principle is: when the workpiece to be processed is placed on the placement table 10, the pressure shaft 11 presses the workpiece to be processed and the support frame 12 tightly, and then the servo motor 14 drives the fixed The mechanism moves forward as a whole, so that the central axis of the screw hole on the workpiece to be processed is aligned with the central axis of the through hole 101 .

The invention has a delicate structure, and the accuracy of fast pressing down the screw-shaped workpiece is improved by setting the clamping jaws to straighten and correct the deviation of the screw-shaped workpiece when pressing down the screw-shaped workpiece. Realize fully automated mechanical processing, liberate manpower, reduce operational risks, and improve production efficiency.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (10)

1. A high-precision fully automatic screw-shaped workpiece straightening device, characterized in that it includes a base plate (1), and a stamping device (2) that can move relative to the base plate (1) is provided above the base plate (1). The substrate (1) is provided with a through hole (101) matching the stamping device (2), the through hole (101) is used to place a screw-shaped workpiece, and the lower bottom surface of the substrate (1) is provided with The clamping jaw (3), the clamping part (301) of the clamping jaw (3) is provided with a circular notch (302) coaxial with the through hole (101), the diameter of the notch (302) is not It is larger than the diameter of the screw-shaped workpiece and is used to abut against the outer surface of the screw-shaped workpiece. The clamping jaw (3) moves downward synchronously with the stamping device (2) after righting the screw-shaped workpiece. 2. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 1, characterized in that: two elastic parts (102) that can be stretched up and down are vertically arranged on the base plate (1), and the elastic parts The bottom of (102) is fixed on the connecting plate (4), and the connecting plate (4) is arranged on the back of the substrate (1). 3. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 2, characterized in that: the elastic member (102) has a return spring (5), and the return spring (5) is always on the elastic member (102) has an upward force. 4. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 2, characterized in that: the back of the connecting plate (4) is connected with the jaw (3) and the first cylinder (6), so The clamping jaws (3) are driven by the first air cylinder (6) to achieve clamping action. 5. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 1, characterized in that: the bottom of the stamping device (2) has a push rod (201), and the diameter of the push rod (201) is smaller than the The diameter of the through hole (101) mentioned above. 6. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 5, characterized in that: the stamping device (2) is fixed on the bracket (8), and the bracket (8) is slidably set on On the slide bar (9), the bracket (8) is provided with a round hole (801) for avoiding the position of the elastic member (102). 7. The high-precision automatic screw-shaped workpiece straightening device according to claim 1, characterized in that: a movable fixing mechanism is provided under the base plate (1) to fix the workpiece to be processed. 8. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 7, characterized in that: the fixing mechanism includes a placing table (10), a pressure shaft (11) and a support frame (12), and the support frame (12) Vertically fixed on the placement table (10), the pressure shaft (11) is opposite to the support frame (12), and the pressure shaft (11) presses the workpiece against the support frame (12) ON. 9. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 8, characterized in that: the pressure shaft (11) is arranged at the front end of the second cylinder (13) and is driven to move forward. 10. The high-precision fully automatic screw-shaped workpiece straightening device according to claim 8, characterized in that: the bottom of the fixing mechanism is provided with a servo motor (14) to drive its movement, and the two sides of the bottom of the fixing mechanism are provided with convenient Moving slide rails (15) and chain plates (16).