CN111872721A

CN111872721A - Tool for producing tiny parts

Info

Publication number: CN111872721A
Application number: CN202010854611.8A
Authority: CN
Inventors: 蒋杰; 张健
Original assignee: Yibin Zhiwei Technology Co ltd
Current assignee: Yibin Zhiwei Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-11-03

Abstract

The invention relates to a tool for producing tiny parts, which comprises a rack, wherein a guide seat and a sliding block seat which are used for forming a product placing groove are fixed on the rack; the product placing groove is provided with a positioning mechanism, and the product placing groove is provided with a positioning mechanism; the ejection mechanism is used for ejecting the product blank, and the ejection mechanism is arranged at the ejection end of the product blank. The invention achieves the following beneficial effects: the workpiece is not easy to deform, automatic in clamping, simple and convenient in clamping, high in clamping precision, capable of effectively improving the yield and suitable for large-scale production of enterprises.

Description

Tool for producing tiny parts

Technical Field

The invention relates to the technical field of micro-part processing, in particular to a tool for producing micro-parts.

Background

When machining tiny pieces, it is very difficult to clamp: if the clamping is firm, the clamping occupies more areas, and the occupied areas cannot be processed; if only a small part is clamped, the clamping edge is not firm, position change is easy to occur during processing, and processing precision is affected.

For example, when a small piece of 8X 3X 4mm is processed at present, it is impossible to clamp the piece.

In order to clamp, the company uses a strip-shaped product blank to clamp the product blank, the product blank can be processed into a plurality of products, and the products are cut off after each product is processed.

However, the common clamping tool is adopted, the product blank has some deformation, the precision of the processed product is not particularly ideal, and the rejection rate is high. And during clamping, the steps are various, clamping errors exist, the adjustment is very troublesome, large-scale batch production is not facilitated, and the working efficiency is influenced.

Therefore, the tool for producing the tiny parts is specially designed, the clamping is convenient by means of mechanical automatic clamping, the clamping precision and the product blank are not deformed, and the clamping efficiency can be effectively improved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the tool for producing the tiny parts, which is not easy to deform, is automatically clamped, is simple and convenient to clamp, has high clamping precision and can effectively improve the yield.

The purpose of the invention is realized by the following technical scheme: a tool for producing tiny pieces comprises a rack, wherein a guide seat and a sliding block seat which are used for forming a product placing groove are fixed on the rack; the product placing groove is provided with a positioning mechanism, and the product placing groove is provided with a positioning mechanism;

the ejection mechanism is used for ejecting the product blank, and the ejection mechanism is arranged at the ejection end of the product blank.

Furthermore, guide seats are fixed on the left inner side wall and the right inner side wall of the rack, and sliding block seats are arranged on the opposite surfaces of the two guide seats, so that two product placing grooves are formed; the two slide block seats form a movable cavity for the action of the clamping mechanism.

Furthermore, the clamping mechanism comprises a sliding block and a pressing block; the sliding block is arranged on the sliding block seat through a sliding chute, and the two ends of the sliding chute are respectively the side wall of the product placing groove and the side wall of the movable cavity; the briquetting, trapezoidal side has, the slider contact of trapezoidal side and left and right sides, it is placed in the activity chamber, promotes the slider through trapezoidal side and moves to the product standing groove when moving along the activity chamber, realizes the centre gripping of slider to the product blank.

Furthermore, the pressing block is connected with a tensioning cylinder in a driving mode through a pull rod, and the tensioning cylinder is fixed on the rack through a cylinder base.

Furthermore, the ejection mechanism comprises a pen type cylinder and an ejector rod, the ejector rod is connected with the pen type cylinder in a driving mode, and the end of the ejector rod abuts against the end face of one end of the product blank.

Furthermore, the positioning mechanism comprises a positioning cylinder, and an output shaft of the positioning cylinder is contacted with the end face of the other end of the product blank when extending out.

Preferably, the pen type air cylinder is fixedly connected with the rack through an air cylinder fixing clamping block; the positioning cylinder is fixed on the frame.

Preferably, the rack comprises two vertical frames which are symmetrically arranged left and right, the two vertical frames are fixedly connected through a plurality of fixing blocks, and the two vertical frames are arranged on the bottom plate.

Preferably, the product placing groove is arranged along the vertical direction, and the positioning cylinder is fixed on the end surface of the vertical frame and arranged along the horizontal direction; the pen type air cylinder is vertically arranged, the lower end of the pen type air cylinder is fixed on the bottom plate, and the side wall of the pen type air cylinder is fixedly connected with the inner side wall of the vertical frame through the air cylinder fixing clamping block; the cylinder base is fixedly connected with the fixed block.

(1) The guide seat and the sliding seat are arranged to form the product placing groove, when a product blank is placed in the product placing groove and then clamped, the product blank is subjected to the effect of the groove wall of the product placing groove, the clamping effect is good, deformation is not easy to generate, and when the upper end of the product blank is processed into a product, the product blank is not easy to bend and deform, so that the processing precision of the product is ensured, waste parts are avoided, and the yield is high;

(2) according to the clamping mechanism, the pressing block is driven to act through the tensioning cylinder, the two side faces of the pressing block simultaneously clamp two product blanks, and the clamping efficiency is further improved;

(3) the centre gripping of this scheme only needs put the product blank in the product standing groove, and subsequent centre gripping is all ejecting, the centre gripping through pen type cylinder, location cylinder, take-up cylinder are automatic, degree of automation is high, and the centre gripping is simple and convenient and efficient, is applicable to the large-scale production of mill.

Drawings

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

FIG. 2 is an unclamped schematic view of A-A in FIG. 1;

FIG. 3 is a schematic view after clamping;

in the figure: 1-frame, 2-pen cylinder, 3-cylinder fixed clamping block, 4-guide seat, 5-product blank, 6-slide seat, 7-positioning cylinder, 8-slide, 9-pressing block, 10-pull rod, 11-tensioning cylinder, 12-cylinder base, 13-bottom plate, 14-fixed block, 15-product placement groove and 16-movable cavity.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.

As shown in fig. 1 to 3, a tooling for producing tiny parts includes a frame 1, a guide seat 4, a slider seat 6, an ejection mechanism, a positioning mechanism and a clamping mechanism. The rack 1 comprises two vertical frames which are symmetrically arranged left and right, the two vertical frames are fixedly connected through a plurality of fixing blocks 14 in a reinforcing manner, and the two vertical frames are arranged on a bottom plate 13.

The guide seats 4 are fixed on the opposite inner walls of the two vertical frames, the slider seats 6 are arranged on the opposite surfaces of the two guide seats 4, each guide seat 4 and one slider seat 6 form a product placing groove 15, and the slider seats 6 are fixedly connected with the vertical frames through fixing blocks 14.

In this scheme, form two product standing groove 15, and both all set up along vertical direction, be provided with ejection mechanism at the lower extreme of product standing groove 15, set up positioning mechanism and fixture in the upper end position department that is close to product standing groove 15. When clamping, the product blank 5 is firstly placed in the product placing groove 15 and is upwards ejected by the ejection mechanism, then is resisted by the positioning mechanism to realize positioning, and finally is clamped by the clamping mechanism to realize fixing.

In the scheme, a movable cavity 16 for the action of the clamping mechanism is formed between the two slide block seats 6. Specifically, as shown in fig. 2 and 3, the clamping mechanism includes a slider 8 and a pressing block 9. The slider 8 is arranged on the slider seat 6 through a sliding chute, and the two ends of the sliding chute are respectively the side wall of the product placing groove 15 and the side wall of the movable cavity 16. Two sides of the pressing block 9 are provided with trapezoidal side surfaces (namely the pressing block 9 is in a trapezoidal shape with a large upper part and a small lower part), the trapezoidal side surfaces are contacted with the side surfaces of the left and right sliding blocks 8, and the pressing block 9 is connected with the tensioning cylinder 11 in a driving way through a pull rod 10; when the tensioning cylinder 11 pulls the pressing block 9 to move downwards, the trapezoidal side face of the pressing block 9 pushes the sliding block 8 to move, the sliding block 8 moves towards the product placing groove 15, and the product blank 5 is clamped. Through an action of one tensioning cylinder 11, the product blanks of the two product placing grooves 15 are clamped, and the clamping efficiency is improved.

In this embodiment, the tensioning cylinder 11 is disposed below the pressing block 9, the bottom of the tensioning cylinder is fixed on the cylinder base 12, and the cylinder base 12 is fixedly connected with the fixing block 14.

In the scheme, the ejection mechanism comprises a pen type cylinder 2 and an ejector rod, and the ejector rod is connected with the pen type cylinder 2 in a driving way; the pen type cylinder 2 is vertically arranged, the bottom of the pen type cylinder is fixed on the bottom plate 13, the side wall of the pen type cylinder is fixed on the inner wall of the vertical frame through the cylinder fixing clamping block 3, and the upper end of the pen type cylinder is connected with the ejector rod in a driving mode. When the ejection device works, the ejector rod is upwards ejected by the pen type cylinder 2, the upper end of the ejector rod is abutted to the lower end face of the product blank 5 in the product placing groove 15, so that the product blank 5 is upwards ejected, and the upper end of the product blank 5 is blocked by the positioning mechanism to realize positioning.

In this scheme, positioning mechanism includes location cylinder 7, and location cylinder 7 is fixed in the upper end department of vertical frame, and the level of location cylinder 7 sets up, blocks the upper end of product blank 5 when its output stretches out.

When the device works, firstly, the product blank 5 is placed in the product placing groove 15, and the product blank 5 is propped against the upper end of the ejector rod; when clamping is needed, firstly, the output shaft of the positioning cylinder 7 horizontally extends out, then the pen-type cylinder 2 pushes the product blank 5 upwards through the ejector rod, and the upper end of the product blank 5 is abutted against the output shaft of the positioning cylinder 7 to realize positioning, as shown in fig. 2; then, the tensioning cylinder 11 drives the pressing block 9 to move downwards, the pressing block 9 pushes the sliding block 8 to move, and the sliding block 8 clamps the upper end position of the product blank 5, as shown in fig. 3; and finally, retracting an output shaft of the positioning cylinder 7, and processing the upper end of the product blank 5 into a product.

Claims

1. The utility model provides a frock for producing tiny piece which characterized in that:

comprises a frame (1), wherein a guide seat (4) and a sliding block seat (6) which are used for forming a product placing groove (15) are fixed on the frame (1);

the product placing long groove (15) is provided with an ejection mechanism at one end and a positioning mechanism at the other end, and the ejection mechanism ejects the product blank (5) out of the product placing groove (15) and abuts against the positioning mechanism;

the ejection mechanism is characterized by further comprising a clamping mechanism for clamping the ejected product blank (5), and the clamping mechanism is arranged at the ejection end of the product blank (5).

2. The tooling for producing the tiny pieces according to claim 1, wherein: the left inner side wall and the right inner side wall of the rack (1) are fixedly provided with guide seats (4), and the opposite surfaces of the two guide seats (4) are provided with sliding block seats (6), so that two product placing grooves (15) are formed;

the two slide block seats (6) form a movable cavity (16) for the action of the clamping mechanism.

3. The tooling for producing the tiny pieces according to claim 2, wherein: the clamping mechanism comprises a sliding block (8) and a pressing block (9);

the sliding block (8) is arranged on the sliding block seat (6) through a sliding groove, and the two ends of the sliding groove are respectively the side wall of the product placing groove (15) and the side wall of the movable cavity (16);

briquetting (9), trapezoidal side has, trapezoidal side and the contact of slider (8) of left and right sides, it is placed in activity chamber (16), promotes slider (8) through trapezoidal side and moves to product standing groove (15) when moving along activity chamber (16), realizes the centre gripping of slider (8) to product blank (5).

4. A tooling for producing tiny pieces according to claim 3, wherein: the pressing block (9) is connected with a tensioning cylinder (11) in a driving mode through a pull rod (10), and the tensioning cylinder (11) is fixed on the rack (1) through a cylinder base (12).

5. The tooling for producing the tiny pieces according to claim 4, wherein: the ejection mechanism comprises a pen type cylinder (2) and an ejector rod, the ejector rod is connected with the pen type cylinder (2) in a driving mode, and the end of the ejector rod abuts against the end face of one end of the product blank (5).

6. The tooling for producing the tiny pieces according to claim 5, wherein: the positioning mechanism comprises a positioning cylinder (7), and an output shaft of the positioning cylinder (7) is contacted with the end face of the other end of the product blank (5) when extending out.

7. The tooling for producing the tiny pieces according to claim 6, wherein: the pen type air cylinder (2) is fixedly connected with the rack (1) through an air cylinder fixing clamping block (3); the positioning cylinder (7) is fixed on the frame (1).

8. The tooling for producing the tiny pieces according to claim 7, wherein: the machine frame (1) comprises two vertical frames which are symmetrically arranged left and right, the two vertical frames are fixedly connected through a plurality of fixing blocks (14), and the two vertical frames are arranged on a bottom plate (13).

9. The tooling for producing the tiny pieces according to claim 8, wherein: the product placing groove (15) is arranged along the vertical direction, and the positioning cylinder (7) is fixed on the end surface of the vertical frame and arranged along the horizontal direction;

the pen type air cylinder (2) is vertically arranged, the lower end of the pen type air cylinder is fixed on the bottom plate (13), and the side wall of the pen type air cylinder is fixedly connected with the inner side wall of the vertical frame through the air cylinder fixing clamping block (3);

the cylinder base (12) is fixedly connected with the fixed block (14).