CN202028711U - Nut necking-in fixture device - Google Patents

Abstract

The utility model discloses a nut closing fixture device, which comprises a taper sleeve (1), a panel (2), a chute plate (3), a pressure head (4), a pressure plate (5), a spring pressure nail (6), a positioning component (7), spring (8), characterized in that: the chute plate (3) is fixed on the end face of the panel (2), the pressure plate (5) is fixed on the end face of the chute plate (3), and the positioning part (7) It is fixed in the round hole in the center of the chute plate (3), the pressure head (4) is installed in the groove of the chute plate (3), the spring pressure nail (6) and spring (8) are installed in the pressure head (4), and the spring pressure The end surface of the nail (6) is in contact with the positioning component (7), and the rounded corner of the rear end of the indenter (4) is in contact with the tapered surface of the taper sleeve (1). The utility model is easy to operate, has high production efficiency, stable quality, reduces labor intensity and production cost, and is suitable for large-scale batch production.

Description

Nut closing fixture device

technical field

The utility model relates to the technical field of machinery, in particular to a nut closing clamp device.

Background technique

The nut closing fixture device is a part of the automatic nut closing machine. In the prior art, the nut closing is mainly performed by using fixtures assembled on multiple inclined planes. The labor intensity is high, the neutrality is poor, the adjustment is difficult, and the quality of the nut closing is affected. Therefore, the production high cost.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a nut closing clamp device with good neutrality, easy operation, high production efficiency, stable quality, reduced labor intensity, reduced production cost, and suitable for large-scale batch production.

The purpose of this utility model and its main technical problems are achieved by adopting the following technical solutions: A nut closing fixture device of this utility model includes a taper sleeve, a panel, a chute plate, a pressure head, a pressure plate, and a positioning part, wherein : The chute plate is fixed on the end surface of the panel, the pressure plate is fixed on the end surface of the chute plate, the positioning part is fixed in the center hole of the chute plate, the pressure head is installed in the groove of the chute plate, and the spring pressure nail and spring are installed in the pressure head , the end surface of the spring pressure nail is in contact with the positioning part, and the rounded corner of the rear end of the pressure head is in pressure contact with the tapered surface of the taper sleeve.

In the above-mentioned nut closing fixture device, there are two to four pressure heads, which are evenly distributed and installed in the grooves of the chute plate.

The above-mentioned nut closing fixture device, wherein: the two to four partial cone surfaces on the upper part of the taper sleeve are cut into equal parts from the complete cone surface.

Compared with the prior art, the utility model has obvious beneficial effects. It can be known from the above technical scheme that the combination of the taper sleeve and the spring pressure head is adopted, the device structure is simple, and the structural rigidity is good. The design of the taper sleeve uses a rotating body to make it The processing technology is simplified, and the processing accuracy is easier to be guaranteed, which is extremely beneficial to ensure the size of the processed parts and obtain reliable product quality. The device only needs to replace the taper sleeve, the chute plate, and the panel to meet the requirements of various nut closing methods such as two-point, three-point, four-point and elliptical closing, and is easy to replace. And for the same type of self-locking nuts, as long as the closing method (i.e. two-point, three-point, four-point and elliptical) remains the same, regardless of its structural size and closing amount, there is no need to replace the closing fixture, which reduces the need for changing fixtures. The number of times and time, improve production efficiency. The device is a part of the automatic nut closing machine, which is easy to install, improves the applicability of the equipment, has high production efficiency, stable quality, low labor intensity, reduces production costs, and is suitable for large-scale batch production.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Description of drawings

Fig. 1 is the outline schematic diagram of the utility model;

Fig. 2 is a structural representation of the utility model;

Fig. 3 is a three-dimensional structural schematic diagram of two-point processing chute disc;

Fig. 4 is a three-dimensional structural schematic diagram of a two-point machining taper sleeve;

Fig. 5 is a three-dimensional structure schematic diagram of three-point processing chute disc;

Fig. 6 is a three-dimensional structural schematic diagram of a three-point machining taper sleeve;

Fig. 7 is a three-dimensional structure schematic diagram of four-point processing chute disc;

Fig. 8 is a three-dimensional structural schematic diagram of a four-point machining taper sleeve;

Fig. 9 is a schematic diagram of the three-dimensional structure of the indenter;

Fig. 10 is a schematic diagram of the three-dimensional structure of an elliptical closing indenter.

Marks in the figure: 1. taper sleeve, 2. panel, 3. chute plate, 4. pressure head, 5. pressure plate, 6. spring pressure nail, 7. positioning component, 8. spring.

Detailed ways

Below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, features and effects of the nut closing clamp device proposed according to the utility model are described in detail as follows:

Example 1:

See Figures 1, 2, 3, 4, and 9, two-point machining nut closing fixture device, including taper sleeve (1), panel (2), chute plate (3), pressure head (4), pressure plate (5), The spring pressing nail (6), the positioning part (7), and the spring (8) are composed. The chute plate (3) is fixed on the end surface of the panel (2), the pressure plate (5) is fixed on the end surface of the chute plate (3), the positioning part (7) is fixed on the center hole of the chute plate (3), and the pressure head ( 4) Two pieces are evenly distributed and installed in the groove of the chute plate (3). The spring pressing nail (6) and the spring (8) are installed in the pressure head, and the end surface of the spring pressing nail (6) is in contact with the positioning part (7). , the rear end fillet of the indenter (3) is in contact with the tapered surface of the taper sleeve (1).

Example 2:

Referring to Fig. 5, 6, 9, the three-point processing nut close-up fixture device has three pressure heads (4), which are evenly distributed and installed in the groove of the chute plate (3). All the other are with embodiment 1.

Example 3:

Referring to Fig. 5, 6, 9, the four-point processing nut close-up fixture device has four pressure heads (4), which are evenly distributed and installed in the groove of the chute plate (3). All the other are with embodiment 1.

Referring to Fig. 10, in Embodiments 1-3, the indenter 4 can also be an elliptical closing indenter.

Features and functions: Taper sleeve (1) The two to four partial cone surfaces of the bevel angle of the cone surface are cut into equal parts from the complete cone surface, and the large slope is the fast forward/retract stroke of the indenter, which can speed up the indenter. The speed of movement in the head empty stroke (that is, the stroke without contact with the closing nut) is used to improve work efficiency, and the stroke of the indenter is enlarged to facilitate the clamping of the workpiece (closed nut) when the indenter (4) retreats, and the small slope For the working stroke of the pressing head (4), the speed of the pressing head (4) is slower at this time, and the torque during work is increased, which effectively improves the closing quality.

Put the pressure head (4) into the slot hole of the chute plate (3), install the pressure plate (5) on the pressure head (4), fix the pressure plate (5) to the end surface of the chute plate (3) with bolts, and position The component (7) is fixed in the center hole of the chute plate (3) with bolts, the spring pressure nail (6) and spring (8) are installed in the hole of the pressure head (4), and the spring pressure nail (6) and the positioning part (7) Contact, the pressure head (4) is pressed to the outside of the disk by the spring force, the panel (2) is installed in the outer circumferential step of the chute disk (3) and fixed with bolts, the taper sleeve (1) is fixed with the drive device by bolts, and the cone The tapered surface of the sleeve (1) passes through the slotted hole of the chute plate (3) and the panel (2). After the equipment is installed, the rounded corner of the rear end of the pressure head (4) should be in contact with the tapered surface of the tapered sleeve (1).

The axial displacement of the pressure head (4) in the slot hole formed by the chute plate (3) and the pressure plate (5) is limited. Press tightly.

When the drive unit drives the taper sleeve (1) to move upward, the pressure head (4) moves radially toward the center of the chute plate (3) under the joint action of the taper sleeve (1) and the spring (8). The front end of (4) causes the nut to be subjected to radial extrusion, thereby realizing the closing of the nut.

When the driving unit drives the tapered sleeve (1) to move downward, under the action of the spring (8), the pressure head (4) presses the tapered surface of the tapered sleeve (1) away from the radial direction of the chute plate (3) outwards. Nut, one processing cycle is completed.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any modifications made to the above embodiments according to the technical essence of the present utility model do not deviate from the content of the technical solution of the present utility model. Any simple modifications, equivalent changes and modifications still belong to the scope of the technical solution of the present utility model.

Claims (3)

1. nut closing in grip device, comprise tapered sleeve (1), panel (2), chute dish (3), pressure head (4), pressing plate (5), positioning element (7), it is characterized in that: chute dish (3) is fixed on panel (2) end face, pressing plate (5) is fixed on chute dish (3) end face, positioning element (7) is fixed on chute dish (3) center hole, pressure head (4) is installed in the groove of chute dish (3), the interior mounting spring of pressure head (4) is pressed nail (6) and spring (8), spring pressed stud (6) end face contacts with positioning element (7), and pressure head (4) rear end fillet compresses with the conical surface of tapered sleeve (1) and contacts.

2. nut closing in grip device as claimed in claim 1 is characterized in that: pressure head (4) is two to four, and evenly distributing is installed in the groove of chute dish (3).

3. nut closing in grip device as claimed in claim 1 or 2 is characterized in that: two to four local conical surfaces on tapered sleeve (1) top are formed by the cutting of branches such as the complete conical surface.

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