CN223785512U - A connector punching device - Google Patents

Abstract

The utility model discloses a connector punching device, relates to the field of connector punching processing, and aims to solve the problems that punching positions of punching devices in the prior art are fixed, punching distances of female connectors in rows of different length specifications are different, punching quantity is different, and punching positions of the female connectors in rows need to be adjusted when the punching devices for fixing the punching positions punch holes, so that punching accuracy is easy to influence. The front end of the mounting bracket is provided with a punching unit, the punching unit comprises a middle mounting block, the rear end of the mounting bracket is provided with a rear backing plate along the rear end of the middle mounting block, a sliding mounting groove is formed in the mounting bracket and along the sliding track of the punching unit, the middle mounting block is fixed with the rear backing plate through a bolt, the screw rod part of the bolt slides along the sliding mounting groove, a driving vertical shaft is vertically connected in the middle mounting block in a sliding manner, a lower fixing plate is fixed at the lower end of the driving vertical shaft, and a punching cutter is arranged at the lower end of the lower fixing plate.

Description

Punching device for connector

Technical Field

The utility model relates to the field of connector punching processing, in particular to a connector punching device.

Background

In the fields of modern electronic devices, communication devices, computer devices, aerospace devices, etc., connectors play a critical role as key components for circuit connection. The busbar connector is used as one of common electrical connectors, is widely applied to various electronic equipment, and is used for connecting two parts in a circuit to realize signal transmission and power transmission. The row female connector consists of a female row and a male row. The busbar is a group of metal sheets with fixed spacing and fixed length, usually copper or copper alloy and other materials, and two ends of the busbar are provided with fixing holes for fixing and connecting the circuit board. The upper surface of the busbar is provided with a row of U-shaped grooves for connecting the male row. The male row is a group of metal tubes with fixed space and fixed length, and the lower surface of the male row is provided with a row of contact pins which correspond to the U-shaped grooves of the female row. When the male row is inserted into the U-shaped groove of the female row, the contact pin is in contact with the metal sheet in the groove to form electrical connection, so that connection and disconnection of a circuit are realized.

In installing the female connector of the row, holes are required to be punched in the female and male rows to connect wires or fix with other components. The accuracy and efficiency of punching directly affects the quality and production cost of the connector. At present, common punching modes comprise a mechanical punching method, a film cutting punching method, a blanking punching method and the like.

At present, the punching position of the punching device is fixed, but the punching distances of the row female connectors with different length specifications are different, the punching quantity is different, the position of the row female connector needs to be adjusted when the punching device for fixing the punching position punches, and the punching precision is easy to influence.

Disclosure of utility model

The utility model aims to provide a connector punching device, which aims to solve the problems that the punching positions of the punching device proposed in the background art are fixed, but the punching distances of the row female connectors with different length specifications are different, the punching quantity is different, the positions of the row female connectors need to be adjusted when the punching device for fixing the punching positions punches, and the punching precision is easily influenced.

In order to achieve the purpose, the connector punching device comprises a mounting bracket, wherein the upper end of the front end of the mounting bracket is provided with a driving rotating shaft, two sides of the front end of the mounting bracket are provided with bearing seats for supporting the driving rotating shaft, and a plurality of driving cams are arranged outside the driving rotating shaft;

The front end of the mounting bracket is provided with a punching unit, the punching unit comprises a middle mounting block, the rear end of the mounting bracket is provided with a rear backing plate along the rear end of the middle mounting block, a sliding mounting groove is formed in the mounting bracket along the sliding track of the punching unit, the middle mounting block is fixed with the rear backing plate through a bolt, and the screw part of the bolt slides along the sliding mounting groove;

The middle mounting block is internally and vertically connected with a driving vertical shaft in a sliding manner, an upper fixing plate is fixed at the upper end of the driving vertical shaft, fixing vertical plates are fixed at two sides of the upper end of the upper fixing plate, a transverse plate is fixed between the two fixing vertical plates and is in contact with the lower end of the driving cam, a lower fixing plate is fixed at the lower end of the driving vertical shaft, and a punching cutter is mounted at the lower end of the lower fixing plate.

Preferably, the surface of the driving rotating shaft is transversely provided with a limiting groove, a limiting slide bar is integrally connected in the through hole in the driving cam, the limiting slide bar is matched with the limiting groove in shape, and the limiting slide bar is in sliding connection with the limiting groove.

Preferably, the rear end welded fastening of middle installation piece upper end has the mount, the terminal surface has offered spacing intermediate tank from top to bottom before the mount, and the width of spacing intermediate tank is greater than the width of drive cam.

Preferably, a first pressure spring is arranged between the upper fixing plate and the middle mounting block along the outer part of the driving vertical shaft, and a second pressure spring is arranged between the lower fixing plate and the middle mounting block along the outer part of the driving vertical shaft.

Preferably, the outer annular array of lower fixed plate lower extreme is connected with flexible connecting rod, and is a plurality of the lower extreme of flexible connecting rod is connected with down the clamping ring jointly, and the clamping ring is located the cutter lower extreme that punches down, be provided with fourth compression spring along flexible connecting rod outside between clamping ring and the lower fixed plate down.

Preferably, the lower extreme inside of cutter that punches is provided with the extrusion piece, the inside upper end along the extrusion piece of cutter that punches is provided with third compression spring.

Preferably, a driving motor is arranged at the upper end of the rear end of the mounting bracket, a first driving wheel is connected to the output shaft end of the driving motor, one end of the driving vertical shaft penetrates through one side of the bearing seat to be connected with a second driving wheel, the driving vertical shaft is connected with one side of the bearing seat through a rotating ring, the second driving wheel is in transmission connection with the first driving wheel through a driving belt, a through rectangular groove is formed in the mounting bracket corresponding to the driving belt in a penetrating manner, a lower triangular support block is fixedly welded at the rear end of the lower end of the middle mounting block, and the rear end face of the lower triangular support block is attached to the mounting bracket.

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

(1) The punching unit is installed by moving the driving cam to be positioned at the upper end of the position of the limiting middle groove in the upper fixing frame of the punching unit, then moving the punching unit upwards to enable the installation hole on the middle installation block to be aligned with the position of the sliding installation groove, then placing the rear cushion plate at the rear end of the installation frame, penetrating the rear cushion plate, the sliding installation groove and the middle installation block by utilizing the screw rod part of the bolt, simply fixing, pushing the punching unit afterwards to enable the punching unit to slide along the installation frame in a limiting mode until the punching cutter matches with the punching position, and then locking the nut for fixing. The punching device has the advantages that the accurate positioning of the punching unit on the mounting support is realized, so that the punching precision is remarkably improved, the problem that the punching precision is easily influenced due to the fact that the punching positions of the punching device are fixed, but the punching distances of the row female connectors with different length specifications are different, the punching quantity is different, and the punching device for fixing the punching position needs to be adjusted when punching. And the whole installation and the adjustment process are simple and convenient, and the user only needs to easily adjust the position and the number of the punching units according to the punching positions and the number, so that the installation can be completed, and the operation difficulty is greatly reduced.

(2) According to the utility model, the driving rotating shaft is in limit connection with the driving cam through the limit groove and the limit slide bar, so that the driving cam is driven to rotate through the limit groove and the limit slide bar in limit relation when the driving rotating shaft rotates, the punching process is realized, and the driving cam can slide along the driving rotating shaft through the limit groove and the limit slide bar in slide relation, so that the driving of the punching unit when the punching unit moves to different positions is realized.

(3) According to the utility model, the extrusion block and the third pressure spring are arranged in the punching cutter, so that waste can be automatically ejected after punching is completed, and the production efficiency is improved.

(4) According to the utility model, the telescopic connecting rod and the fourth pressure spring are arranged at the lower end of the lower fixing plate, the lower pressing ring is firstly contacted with the connector, and the telescopic connecting rod and the fourth pressure spring are compressed along with the downward pressing and punching of the punching unit, so that the pressure of the lower pressing ring on the connector is increased, and the punching stability of the connector is ensured.

Drawings

FIG. 1 is a schematic view of a connector punching device according to the present utility model;

FIG. 2 is a schematic view of a rear view of a connector punching device according to the present utility model;

FIG. 3 is a side view of a connector punching device of the present utility model;

FIG. 4 is a schematic view of a driving cam of a connector punching device according to the present utility model;

Fig. 5 is a schematic structural view of a punching unit of a connector punching device according to the present utility model;

fig. 6 is a position cross-sectional view of a punching tool of a connector punching device of the present utility model.

1, A mounting bracket; 2, a sliding installation groove, 3, a driving motor, 4, a first driving wheel, 5, a second driving wheel, 6, a driving belt, 7, a through rectangular groove, 8, a driving rotating shaft, 9, a limit groove, 10, a driving cam, 11, a limit sliding bar, 12, a punching unit, 13, an upper fixing frame, 14, a limit middle groove, 15, a middle installation block, 16, a rear cushion plate, 17, a lower triangular supporting block, 18, a driving vertical shaft, 19, an upper fixing plate, 20, a fixing vertical plate, 21, a transverse plate, 22, a first pressure spring, 23, a lower fixing plate, 24, a second pressure spring, 25, a punching tool, 26, a third pressure spring, 27, a pressing block, 28, a lower pressure ring, 29, a telescopic connecting rod, 30 and a fourth pressure spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, an embodiment of the present utility model is provided:

(1) Mounting bracket and drive structure:

The device comprises a mounting bracket 1, wherein a driving rotating shaft 8 is arranged at the upper end of the front end of the mounting bracket 1 and is supported by bearing blocks at two sides, and the driving rotating shaft 8 is ensured to stably rotate through the support of the bearing blocks. The front end of the mounting bracket 1 is provided with a punching unit 12, and a plurality of driving cams 10 are arranged outside the driving rotating shaft 8 and used for driving the punching unit 12 to move up and down.

The surface of the driving rotating shaft 8 is transversely provided with a limiting groove 9, a limiting slide bar 11 is integrally connected in an inner through hole of the driving cam 10, the limiting slide bar 11 is matched with the limiting groove 9 in shape and is in sliding connection, the driving cam 10 is driven to rotate through the limiting relation between the limiting groove 9 and the limiting slide bar 11 when the driving rotating shaft 8 rotates, the punching process is realized, the driving cam 10 can slide along the driving rotating shaft 8 through the sliding relation between the limiting groove 9 and the limiting slide bar 11, the punching unit 12 is matched, and the punching unit 12 can be driven to move to different positions.

The upper end of the rear end of the mounting bracket 1 is provided with a driving motor 3, and the output shaft end of the driving motor 3 is connected with a first driving wheel 4. One end of the driving vertical shaft 18 penetrates through a bearing seat at one side and is connected with a second driving wheel 5, and the second driving wheel 5 is in driving connection with the first driving wheel 4 through a driving belt 6. The mounting bracket 1 is provided with a through rectangular groove 7 in a penetrating way at a position corresponding to the transmission belt 6. Through the transmission relation of the driving motor 3, the first transmission wheel 4, the second transmission wheel 5 and the transmission belt 6, the stable rotation of the driving rotating shaft 8 is realized, and the up-and-down movement of the punching unit 12 is driven. At the same time, the design of the through rectangular grooves 7 provides enough space for the drive belt 6, avoiding energy loss and wear caused by friction of the drive belt 6 and the mounting bracket 1.

(2) Mounting and sliding of the punching unit:

the punch unit 12 includes an intermediate mounting block 15. The sliding mounting groove 2 is formed in the mounting bracket 1 along the sliding track of the punching unit 12, a rear backing plate 16 is arranged at the rear end of the mounting bracket 1 along the rear end of the middle mounting block 15, the middle mounting block 15 and the rear backing plate 16 are fixed through bolts, and the screw parts of the bolts slide along the sliding mounting groove 2. The cooperation of sliding mounting groove 2 and bolt for punching unit 12 can be installed and the slip in a flexible way along installing support 1, and the user of being convenient for carries out the accurate adjustment according to punching the position. The rear end welded fastening of middle installation piece 15 lower extreme has lower triangle supporting shoe 17, and lower triangle supporting shoe 17 rear end face and installing support 1 laminating have strengthened the stability of punching unit 12 by the design of lower triangle supporting shoe 17.

The rear end welded fastening of middle installation piece 15 upper end has last mount 13, and limit intermediate tank 14 has been seted up from top to bottom to last mount 13 front end face, and limit intermediate tank 14's width is greater than the width of drive cam 10, slightly is greater than a bit, mainly plays spacing driven effect.

(3) Punching of the punching unit:

The middle mounting block 15 is connected with a driving vertical shaft 18 in a vertical sliding manner, an upper fixing plate 19 is fixed at the upper end of the driving vertical shaft 18, fixing vertical plates 20 are fixed at two sides of the upper end of the upper fixing plate 19, a transverse plate 21 is fixed between the two fixing vertical plates 20, and the transverse plate 21 is in contact with the lower end of the driving cam 10. A lower fixing plate 23 is fixed at the lower end of the driving vertical shaft 18, and a punching cutter 25 is arranged at the lower end of the lower fixing plate 23. The up-and-down movement of the perforating unit 12 is realized by the sliding connection of the upper fixing plate 19, the lower fixing plate 23 and the driving vertical shaft 18, and the contact of the transverse plate 21 and the driving cam 10, so that a stable power source is provided for the perforating operation.

A first pressure spring 22 is arranged between the upper fixing plate 19 and the middle mounting block 15 along the outside of the driving vertical shaft 18, and a second pressure spring 24 is arranged between the lower fixing plate 23 and the middle mounting block 15 along the outside of the driving vertical shaft 18. The first pressure spring 22 and the second pressure spring 24 are arranged, so that when the protruding part of the driving cam 10 rotates towards the arc part, the punching unit 12 is driven to move upwards under the reset action of the first pressure spring 22 and the second pressure spring 24, and punching is completed.

(4) Lower clamping ring and waste material treatment:

the outer annular array of lower fixed plate 23 lower extreme is connected with flexible connecting rod 29, and the lower extreme of a plurality of flexible connecting rods 29 is connected with down clamping ring 28 jointly, and lower clamping ring 28 is located the cutter 25 lower extreme punches. A fourth pressure spring 30 is arranged between the lower compression ring 28 and the lower fixing plate 23 along the outer part of the telescopic connecting rod 29. The cooperation of the lower compression ring 28 and the fourth pressure spring 30 can keep stable lower pressure in the punching process, so that the connector is more stable in the punching process.

The inside lower extreme of cutter 25 punches is provided with extrusion piece 27, and the inside upper end along extrusion piece 27 of cutter 25 punches is provided with third compression spring 26. The arrangement of the extrusion block 27 and the third pressure spring 26 can eject waste materials from the punching cutter 25 after punching is completed, so that the production efficiency is further improved.

The device is matched with a mother connector fixing mechanism and a workbench to work, and after the mother connector is fixed, the position of the punching unit 12 is adjusted according to the punching position and the punching unit 12 is installed according to the punching quantity.

When the punching unit 12 is installed, the driving cam 10 is preferentially moved, so that the driving cam 10 is positioned at the upper end of the position of the limiting middle groove 14 in the upper fixing frame 13 of the punching unit 12, the punching unit 12 is moved upwards after that, the mounting holes on the middle mounting block 15 are aligned with the positions of the sliding mounting grooves 2, the rear cushion plate 16 is placed at the rear end of the mounting bracket 1, the rear cushion plate 16, the sliding mounting grooves 2 and the middle mounting block 15 are penetrated through by the screw rod part of the bolt, the rear cushion plate is simply fixed by the nut and does not need to be screwed, the punching unit 12 is pushed after that, the punching unit 12 slides along the mounting bracket 1 in a limiting mode until the punching cutter 25 is matched with the punching position, and then the nut is locked for fixing.

The driving motor 3 drives the first driving wheel 4 to rotate, the driving rotating shaft 8 is driven to rotate through the driving relation of the first driving wheel 4, the second driving wheel 5 and the driving belt 6, the driving rotating shaft 8 and the driving cam 10 drive the driving cam 10 to rotate through the limiting connection relation of the limiting groove 9 and the limiting sliding strip 11, when the arc part of the driving cam 10 rotates towards the protruding part, the driving cam 10 drives the punching unit 12 to move downwards, the first pressure spring 22 is compressed, the second pressure spring 24 is stretched to punch, and when the protruding part of the driving cam 10 rotates towards the arc part, the punching unit 12 is driven to move upwards under the reset action of the first pressure spring 22 and the second pressure spring 24 to finish punching.

The lower pressing ring 28 is firstly contacted with the connector, the telescopic connecting rod 29 and the fourth pressure spring 30 are compressed along with the downward pressing and punching of the punching unit 12, the pressure of the lower pressing ring 28 on the connector is increased, punching and punching are carried out when the punching cutter 25 is contacted with the connector, the extrusion block 27 in the punching cutter 25 is contacted with the connector, the third pressure spring 26 is compressed, after the punching is finished, the middle waste is disconnected with the connector, and the third pressure spring 26 is reset to push the extrusion block 27 to output the waste.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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.

Claims (7)

1. The connector punching device comprises a mounting bracket (1) and is characterized in that a driving rotating shaft (8) is arranged at the upper end of the front end of the mounting bracket (1), bearing seats are arranged on two sides of the front end of the mounting bracket (1) to support the driving rotating shaft (8), and a plurality of driving cams (10) are arranged outside the driving rotating shaft (8);

The front end of the mounting bracket (1) is provided with a punching unit (12), the punching unit (12) comprises a middle mounting block (15), the rear end of the mounting bracket (1) is provided with a rear backing plate (16) along the rear end of the middle mounting block (15), a sliding mounting groove (2) is formed in the mounting bracket (1) along the sliding track of the punching unit (12), the middle mounting block (15) and the rear backing plate (16) are fixed through bolts, and the screw parts of the bolts slide along the sliding mounting groove (2);

The middle mounting block (15) is internally and vertically connected with a driving vertical shaft (18) in a sliding manner, an upper fixing plate (19) is fixed at the upper end of the driving vertical shaft (18), fixing vertical plates (20) are fixed at two sides of the upper end of the upper fixing plate (19), a transverse plate (21) is fixed between the two fixing vertical plates (20), the transverse plate (21) is in contact with the lower end of the driving cam (10), a lower fixing plate (23) is fixed at the lower end of the driving vertical shaft (18), and a punching cutter (25) is mounted at the lower end of the lower fixing plate (23).

2. The connector punching device according to claim 1, wherein the surface of the driving rotating shaft (8) is transversely provided with a limiting groove (9), a limiting slide bar (11) is integrally connected in an inner through hole of the driving cam (10), the limiting slide bar (11) is matched with the limiting groove (9) in shape, and the limiting slide bar (11) is in sliding connection with the limiting groove (9).

3. The connector punching device according to claim 1, characterized in that an upper fixing frame (13) is welded and fixed at the rear end of the upper end of the middle mounting block (15), a limiting middle groove (14) is formed in the front end face of the upper fixing frame (13) from top to bottom, and the width of the limiting middle groove (14) is larger than that of the driving cam (10).

4. A connector punching device according to claim 1, characterized in that a first pressure spring (22) is arranged between the upper fixing plate (19) and the intermediate mounting block (15) along the outside of the driving vertical shaft (18), and a second pressure spring (24) is arranged between the lower fixing plate (23) and the intermediate mounting block (15) along the outside of the driving vertical shaft (18).

5. The connector punching device according to claim 1, wherein the outer annular array of the lower end of the lower fixing plate (23) is connected with telescopic connecting rods (29), the lower ends of a plurality of the telescopic connecting rods (29) are connected with a lower pressing ring (28) together, the lower pressing ring (28) is positioned at the lower end of the punching cutter (25), and a fourth pressure spring (30) is arranged between the lower pressing ring (28) and the lower fixing plate (23) along the outer part of the telescopic connecting rods (29).

6. A connector punching device as claimed in claim 1, characterized in that the lower end of the inside of the punching cutter (25) is provided with an extrusion block (27), and the inside of the punching cutter (25) is provided with a third pressure spring (26) along the upper end of the extrusion block (27).

7. The connector punching device is characterized in that a driving motor (3) is arranged at the upper end of the rear end of the mounting bracket (1), a first driving wheel (4) is connected to the output shaft end of the driving motor (3), one end of a driving vertical shaft (18) penetrates through one side of the bearing seat to be connected with a second driving wheel (5), the driving vertical shaft (18) is connected with one side of the bearing seat through a swivel, the second driving wheel (5) is in transmission connection with the first driving wheel (4) through a driving belt (6), a through rectangular groove (7) is formed in the mounting bracket (1) corresponding to the driving belt (6) in a penetrating mode, a lower triangular supporting block (17) is fixedly welded at the rear end of the lower end of the middle mounting block (15), and the rear end face of the lower triangular supporting block (17) is attached to the mounting bracket (1).