CN107734954A - Plug-in unit resistance cuts reshaping device and equipment - Google Patents

Abstract

The invention relates to a plug-in resistance shearing shaping mechanism and equipment. The plug-in resistance shearing and shaping mechanism includes a drive unit and a shearing and shaping unit. The shearing and shaping unit includes: a bending knife extending downwards to two bending heads; it is installed between the two bending heads in an elastic loading manner The pre-compression block; two upper cutters located on both sides of the two bending cutter heads; two braided upper cutters respectively located on both sides of the two upper cutters; facing the two upper cutters to form The lower cutter of the two lower cutter heads; the cam between the two lower cutter heads and matched with the two bending cutter heads; the lower cutter and the cam are fixedly installed, the bending knife, the pre-press block, and the upper cutter And the braiding upper knife moves up and down under the drive of the drive unit; the lower end surface of the bending cutter head is higher than the lower end surface of the pre-pressing block, the blade of the upper cutting knife is lower than the lower end surface of the pre-pressing block, and the blade of the braiding upper knife Higher than the lower end surface of the bending cutter head. The invention realizes the integration of operations, which is efficient, fast, stable and reliable.

Description

Plug-in resistance shearing shaping mechanism and equipment

technical field

The invention relates to automatic plug-in equipment, more specifically, to a plug-in resistance shearing and shaping mechanism and equipment.

Background technique

With the progress of the society, the standardization of the production process, the increasingly stringent requirements for product quality, and the rise of labor costs, the demand for automation in all walks of life is becoming stronger and stronger. In the existing traditional practice, in the process of PCB board insertion, the cutting, unbending, insertion, and re-cutting of the resistance of the braiding material insertion are completed manually or by multiple devices, and the work is cut again after soldering. The work process is long, low in efficiency, and poor in stability. , The consistency is not high, manual intervention is required, and the quality of the finished product is closely related to the technical proficiency of the workers. Therefore, the automatic plug-in industry urgently needs an efficient, fast, stable and reliable equipment to replace manual work.

Contents of the invention

The technical problem to be solved by the present invention is to provide a plug-in resistor cutting and shaping mechanism that integrates the clipping and shaping functions of the plug-in resistor into a common module and a plug-in resistor using this mechanism. Shear shaping equipment.

In order to solve the technical problem, the present invention proposes a plug-in resistance shearing and shaping mechanism in the first aspect, including a drive unit and a shearing and shaping unit, and the shearing and shaping unit includes:

A bending knife, the bending knife corresponds to the metal feet on both sides of the plug-in resistor and extends downward to form two bending cutter heads for bending the metal feet;

A pre-compression block installed between the two bending heads in an elastically loaded manner;

Two upper cutting knives respectively located on both sides of the two bending cutter heads in the horizontal extension direction of the metal feet of the plug-in resistance to cut the metal feet;

In the horizontal extension direction of the metal feet of the plug-in resistance, they are respectively located on both sides of the two upper cutters to cut the two braided upper knives of the waste braid;

a lower cutter disposed below the two upper cutters, the lower cutter is facing the two upper cutters and has two lower cutter heads matched therewith; and

A master mold that is arranged between the two lower cutting heads on the lower cutting knife and cooperates with the two bending cutter heads;

Wherein, the lower cutter and the former are fixedly installed, and the bending knife, the pre-press block, the upper cutter and the upper braiding knife can move up and down relative to the lower cutter and the former under the drive of the drive unit;

Wherein, the lower end surfaces of the two bending cutter heads are higher than the lower end surfaces of the pre-compression block, the blades of the two upper cutters are lower than the lower end surfaces of the pre-compression block, and the two braiding The cutting edge of the upper knife is higher than the lower end surfaces of the two bent knife heads.

According to an embodiment of the first aspect of the present invention, the drive unit includes a slide cylinder, and the shearing and shaping unit further includes a pressing plate that is driven by the slide cylinder and can move up and down. The block, the upper cutter and the braiding upper cutter are all installed on the pressing plate.

In an embodiment according to the first aspect of the present invention, the bending knife is provided with a chute extending along the direction of moving up and down, the pre-pressing block is installed on the pressing plate by spring loading, and the pre-pressing The pressure block is provided with a pin inserted into the slide groove and can move along the slide groove under the action of spring force.

In an embodiment according to the first aspect of the present invention, the two lower cutter heads extend upwards from the lower cutter, and the former is installed in a notch formed between the two lower cutter heads of the lower cutter.

According to an embodiment of the first aspect of the present invention, a first limiting groove for accommodating plug-in resistors is formed in the middle of the upper end surface of the master form, and along the two sides of the first limiting groove The upper end surface and the two side surfaces of the former are respectively extended and formed with second limiting slots for accommodating the metal feet.

In an embodiment according to the first aspect of the present invention, a third limiting groove for accommodating the plug-in resistor is formed on the lower end surface of the pre-pressing block.

According to an embodiment of the first aspect of the present invention, the blades of the two braided upper knives extend along the horizontal extension direction of the plug-in resistance metal feet; The horizontal direction extends in the horizontal direction.

In order to solve the technical problem, the present invention proposes a plug-in resistance shearing and shaping device in the second aspect, which includes a base, a bracket installed on the base, and the aforementioned plug-in resistance shearing shaping mechanism, and the bending of the plug-in resistance shearing shaping mechanism Knife, pre-pressing block, upper cutter and braiding upper cutter are installed on the support through the drive unit, and the lower cutter and former are fixedly installed on the base.

In an embodiment according to the second aspect of the present invention, it further includes a plurality of feet mounted on the lower part of the base.

The plug-in resistor cutting and shaping mechanism and equipment of the present invention integrate the cutting and shaping functions of plug-in resistors with commonly used specifications into a common module, which can be superimposed and used, and a single set can be quickly replaced. The cutting and bending work of the braid plug-in resistance is simplified to the automatic cutting and bending shaping of a single equipment module, and then it can directly enter the next process. Therefore, the plug-in resistance cutting and shaping mechanism and equipment can be applied in the automation industry of braiding plug-in resistance.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the front structure of a plug-in resistance shearing and shaping device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the side structure of the plug-in resistance shearing and shaping device shown in Fig. 1;

Fig. 3 is a partial structural schematic diagram of the plug-in resistance shearing and shaping device shown in Fig. 1;

Fig. 4 is the sectional view of A-A direction in Fig. 3;

Fig. 5 is a schematic view of the front structure of the master model in one embodiment of the present invention;

Fig. 6 is a schematic view of the side structure of the former shown in Fig. 5 .

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in FIGS. 1 and 2 , an insert resistance shearing and shaping device 100 according to an embodiment of the present invention is mainly composed of a base 10 , a bracket 20 and an insert resistance shearing and shaping mechanism. The bracket 20 is installed on the base 10, the moving parts of the plug-in resistance shearing and shaping mechanism are installed on the bracket 20, and the fixed parts are installed on the base 10, and the relative movement is to realize the cutting and bending of the metal feet of the plug-in resistance.

Specifically as shown in FIGS. 1 and 2 , the plug-in resistance shearing and shaping mechanism mainly includes a driving unit 30 and a shearing and shaping unit 50 . During specific implementation, the driving unit 30 may be a sliding table cylinder, which drives the pressing plate 40 mounted thereon to move up and down. Shearing shaping unit 50 further comprises the braid upper knife 51 that is installed on the pressing plate 40, bending knife 52, upper cutting knife 53 and pre-compression block 54, and this braiding upper knife 51, bending knife 52, upper cutting knife 53 and The pre-pressing block 54 can move up and down driven by the driving unit 30 through the pressing plate 40 . The shearing and shaping unit 50 also includes a former 55 and a lower cutter 56 fixedly installed on the base 10 . Among them, the pre-pressing block 54 is used to press down the plug-in resistance to be processed to play a fixed role; the upper cutter 53 and the lower cutter 56 are used to cut the metal feet of the plug-in resistor to the required length; the bending knife 52 and The former 55 cooperates to complete the bending and shaping of the cut plug-in resistor metal legs; the braiding upper knife 51 is used to cut and remove the waste braid of the plug-in resistor that has been cut and shaped.

As further shown in FIGS. 1 and 2 , the plug-in resistance shearing and shaping device 100 may also be provided with a plurality of feet 60 at the lower part of the base 10 for supporting the entire device as required. The plug-in resistance cutting and shaping device 100 according to the present invention can be conveniently installed at the input end of the automatic plug-in device, has a compact structure, takes up little space, is convenient for installation and debugging, and can be quickly replaced. Moreover, the plug-in resistance shearing and shaping device 100 can also be used in multiple sets according to different specific applications. According to different specific applications, the feet 60 can also be removed, and the entire device can be installed on other devices directly by using the connecting holes on the base 10, so as to realize an automated process production line.

Fig. 3 and Fig. 4 show the specific structure of the clipping and shaping unit 50 according to one embodiment of the present invention. As shown in Fig. 3 and Fig. 4, the bending knife 52 is fixedly installed in the middle part of the pressing plate 30 by, for example, connecting screws, and two bending knife heads 521 and 522 extend downward from both sides of the lower end of the bending knife 52. The bending cutter heads 521 and 522 are used to cooperate with the former 55 to bend and shape the metal legs on both sides of the plug-in resistor 70 . The pre-compression block 54 is installed on the pressing plate 30 between the two bending cutter heads 521, 522 in a spring-loaded manner, and the bending knife 52 is provided with a chute 523 extending in the direction of moving up and down, and the pre-compression block 54 There is a pin 541 inserted into the chute 523 , so that the chute 523 provides a guiding function for the movement of the pre-pressing block 54 under the force of the spring. Two upper cutting knives 53 are respectively installed on the pressing plate 30 close to the two sides of the two bending cutter heads 521 and 522 in the horizontal extension direction of the plug-in resistance metal feet, and the blades of the two upper cutting knives 53 are perpendicular to the plug-in The horizontal direction of the horizontal extension direction of the resistance metal feet is used to cut off the plug-in resistance metal feet. Two braiding upper knives 51 are respectively installed on both sides of the two upper cutters 53 on the pressing plate 30 in the horizontal extension direction of the plug-in resistance metal feet, for cutting waste braiding. Therefore, the blades 511 of the two braided upper blades 51 extend along the horizontal direction of the metal legs of the plug-in resistor. The lower cutter 56 is positioned below the two upper cutters 53, and the lower cutter 56 faces the two upper cutters 53 and extends upwards with two lower cutter heads 561 and 562, which are connected to the two upper cutter heads 561 and 562. The cutters 53 work together to cut off the metal feet of the plug-in resistor. Moreover, by adjusting the distance between the two lower cutter heads 561, 562 and the two upper cutters 53, the length of the metal leg of the plug-in resistance after cutting can be adjusted. The following cutter 56 forms a notch 563 between the two lower cutting heads 561,562, and the former 55 is installed in the notch 563, facing the space between the two bending cutter heads 521,522, thereby being compatible with the two The bending cutter heads 521 and 522 work together to bend and shape the metal legs.

Specifically as shown in Figures 5 and 6, a limiting groove 551 is formed in the middle of the upper end surface of the cam 55 for accommodating the plug-in resistor 70 (see Figures 3 and 4), together with the pre-pressing block 54 Realize the fixing of the plug-in resistor 70 during the shearing and shaping process. In a preferred embodiment, as shown in FIG. 4 , the lower end surface of the pre-pressing block is also formed with a limiting groove 542 for accommodating the plug-in resistor 70 . As shown in FIG. 6 , limiting slots 552 are respectively extended from both sides of the limiting groove 551 along the upper end surface and two side surfaces of the cam 55 for accommodating metal feet of the plug-in resistor 70 . The two bending cutter heads 521 , 522 move down and cooperate with the cam 55 to bend and shape the metal leg of the plug-in resistor 70 along the limiting slot 552 .

As shown in Figure 3 again, the plug-in resistance shearing shaping mechanism of the present invention is designed with the lower end faces of the two bending cutter heads 521, 522 higher than the lower end face of the pre-press block 54, and the blades of the two upper cutters 53 are lower than the pre-press The lower end surface of the block 54, the blades of the two braiding upper knives 51 are higher than the lower end surfaces of the two bending cutter heads 521, 522, so that the fixing of the plug-in resistance, the cutting and bending of the metal feet, and the waste braiding can be realized. The excision of this series of operations is carried out automatically and continuously. That is, when the sliding table cylinder 30 moves down with the pressing plate 40, the pre-pressing block 54 first presses the plug-in resistor 70, and at the same time, under the action of the spring (not shown in the figure), it will continue to be pressed; then, The two upper cutters 53 press down and cooperate with the two lower cutter heads 561, 562 to cut the metal legs of the plug-in resistor 70 to the required length; then, the two bending cutter heads 521, 522 of the bending knife 52 Contact the metal feet that have been cut to a suitable length, and cooperate with the template 55 to complete the bending and shaping of the plug-in resistor 70; finally, use the two braiding upper knives 51 to weave the waste of the plug-in resistor 70 that has been cut and shaped. With shear removal, it can be sent to the next process for other operations.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (9)

1. a kind of plug-in unit resistance cuts reshaping device, it is characterised in that including driver element and cuts shaping unit, the cutting Shaping unit includes：

Bending tool, the metal leg that the bending tool corresponds to plug-in unit resistance both sides extend downwardly out two foldings for being used for bending metal leg Tulwar head；

The preloading block being installed in a manner of spring-loading between two bending cutter heads；

Respectively positioned at the both sides of two bending cutter heads to shear metal leg on the horizontal-extending direction of plug-in unit resistance metal pin Two upper cutters；

Respectively positioned at the both sides of two upper cutters to shear the two of useless braid on the horizontal-extending direction of plug-in unit resistance metal pin Individual braid upper slitter；

Lower cutter below described two upper cutters, the described two upper cutters of lower cutter face are formed with matched Two incision cutter heads；And

The pattern coordinated between two incision cutter heads on the lower cutter, with described two bending cutter heads；

Wherein, the lower cutter and pattern are fixedly mounted, and the bending tool, preloading block, upper cutter and braid upper slitter can drive Moved up and down under the drive of unit relative to the lower cutter and pattern；

Wherein, the lower surface of described two bending cutter heads is higher than the lower surface of the preloading block, the blade of described two upper cutters Less than the lower surface of the preloading block, the blade of described two braid upper slitters is higher than the lower surface of described two bending cutter heads.

2. plug-in unit resistance according to claim 1 cuts reshaping device, it is characterised in that the driver element includes slide unit Cylinder, the cutting shaping unit also include being driven and pressing plate moving up and down by the slider cylinder, the bending tool, pre- Briquetting, upper cutter and braid upper slitter are mounted on the pressing plate.

3. plug-in unit resistance according to claim 2 cuts reshaping device, it is characterised in that offers one on the bending tool The vertically chute of moving direction extension, the preloading block is installed on the pressing plate by spring-loaded mode, and institute Preloading block is stated to insert in the chute provided with a pin and chute movement described in lower edge can be acted in spring force.

4. plug-in unit resistance according to claim 1 cuts reshaping device, it is characterised in that described two incision cutter heads are from institute State lower cutter to upwardly extend, the pattern is installed in the recess formed between two incision cutter heads of the lower cutter.

5. plug-in unit resistance according to claim 4 cuts reshaping device, it is characterised in that the middle part of the pattern upper surface Formed with the first limited impression for housing plug-in unit resistance, and from the both sides of first limited impression along the upper of the pattern End face and two sides are each extended over formed with the second spacing slit for housing metal leg.

6. plug-in unit resistance according to claim 5 cuts reshaping device, it is characterised in that the lower surface shape of the preloading block Into the 3rd limited impression having for housing plug-in unit resistance.

7. plug-in unit resistance according to claim 1 cuts reshaping device, it is characterised in that the knife of described two braid upper slitters Horizontal-extending direction extension of the sword along plug-in unit resistance metal pin；The blade of described two upper cutters is along perpendicular to plug-in unit resistance metal The horizontal direction extension in the horizontal-extending direction of pin.

8. a kind of plug-in unit resistance cuts shaping device, it is characterised in that including base, the support being installed on base, in addition to Plug-in unit resistance as any one of claim 1 to 7 cuts reshaping device, and the plug-in unit resistance cuts the folding of reshaping device Tulwar, preloading block, upper cutter and braid upper slitter are installed on the support by driver element, and the lower cutter and pattern are fixed On the base.

9. plug-in unit resistance according to claim 8 cuts shaping device, it is characterised in that also includes being installed on base bottom Multiple socles.