CN106058608A - A needle punching mechanism and a needle insertion machine equipped with the needle punching mechanism - Google Patents

Abstract

The invention relates to connector processing equipment. In order to save equipment space and avoid waste material belts from accumulating in a pin inserting machine, the invention provides a pin punching mechanism, wherein a connecting and positioning device comprises a connecting plate and a positioning plate, the connecting plate and the positioning plate are vertically connected into an L-shaped structure, the connecting plate is sleeved on a driving rod and is fixedly connected with a cylinder body, and the positioning plate is provided with a positioning through groove with the extending direction parallel to the axis of the driving rod; the needle punching head is connected with the driving rod through a punching transmission rod which is arranged in the positioning through groove in a penetrating way and is movably connected with the positioning plate through a positioning pin shaft; the waste material cutter is positioned at the discharge end of the needle punching seat and is connected with the driving rod; in the working process, when the driving rod extends outwards, the needle punching head is lifted up from the needle punching seat, and the waste material cutter is pressed downwards to cut off the waste material belt; when the driving rod retracts inwards, the needle punching head presses the needle punching seat, and the waste material cutter is lifted. This needle die-cutting mechanism cuts off the waste material area, avoids the waste material area to store up, practices thrift equipment space.

Description

A needle punching mechanism and a needle insertion machine equipped with the needle punching mechanism

technical field

The invention relates to a connector processing equipment, in particular to a needle punching mechanism on a pin insertion machine for connector processing.

Background technique

When the needle insertion machine performs needle punching, a waste material belt will be produced. In order to avoid excessive accumulation of the waste material belt in the needle insertion machine and affect the operation of the needle insertion machine, the operator always rolls up the waste material belt when collecting the waste material, and Remove the waste belt after the tray is used up. In this way, before the material tray is used up, the waste material tape is temporarily stored in the pin insertion machine, which wastes equipment space, and when the waste material tape accumulates too much, it will affect the operation of the pin insertion machine.

Contents of the invention

In order to save equipment space and avoid accumulation of waste material in the needle insertion machine, the present invention proposes a needle punching mechanism, which includes a driving cylinder, a punching transmission rod, a needle punching head, a connecting positioning device and a waste cutting machine. The connecting and positioning device includes a connecting plate and a positioning plate, the connecting plate and the positioning plate are vertically connected to form an L-shaped structure, and the connecting plate is sleeved on the driving rod of the driving cylinder and connected to the The cylinder body of the driving cylinder is fixedly connected, and the positioning plate is provided with a positioning through groove, and the extending direction of the positioning through groove is parallel to the axis of the driving rod of the driving cylinder; the needle punching head passes through the punching transmission rod It is connected with the driving rod of the driving cylinder, and the punching transmission rod is passed through the positioning through slot and is movably connected with the positioning plate through the positioning pin shaft; The discharge end is connected with the drive rod of the drive cylinder through the cutter transmission rod; during the working process of the needle punching mechanism, when the drive rod stretches out, the needle punch head Driven by the cutting drive rod, it is lifted from the needle punching seat, and the waste material cutter is driven by the cutting knife driving rod to press down on the waste belt protruding from the discharge end of the needle punching seat. cutting; when the driving rod retracts inwardly, the needle punching head is driven by the punching transmission rod to press against the needle punching seat for punching operation, and the waste material cutter is in the Driven by the drive rod of the cutter, it is lifted up to prepare for the next cutting of the waste belt. When the needle inserting machine adopts such a needle punching mechanism for needle punching operation, the waste material cutter cuts off the waste material belt protruding from the discharge end of the needle punching seat when the needle punching head is lifted from the needle punching seat, The waste formed by cutting the waste tape falls into the waste box, which can prevent the waste tape from accumulating in the needle insertion machine, especially at the discharge end of the needle punching seat, thereby saving the equipment space of the needle insertion machine and avoiding the accumulation of the needle insertion machine. Poor operation due to excessive accumulation of waste belt.

Preferably, a punching head positioning plate is provided on the positioning plate, the punching head positioning plate is located between the positioning channel and the needle punching seat, and the punching head positioning plate is provided with a Positioning guide hole for needle punching head. In this way, the punching misalignment caused by shaking or swinging of the needle punching head during the needle punching process can be avoided, thereby improving the needle punching precision. Further, the positioning plate of the punching head is in the shape of a "convex", and the two side shoulders of the positioning plate of the punching head are provided with through holes for installation. In this way, materials can be saved, and it is convenient to install and fix the positioning plate of the punching head on the positioning plate, and it can also prevent the positioning plate of the punching head from affecting the installation and movement of other components.

Preferably, the positioning plate is provided with a mounting horizontal groove for installing the punching head positioning plate, and the mounting horizontal groove is perpendicular to the positioning through groove, so as to install and fix the punching head positioning plate to the positioning plate superior.

Preferably, the cutter driving rod is movably connected with the driving rod through a pin shaft at the protruding end of the driving rod, and the punching driving rod is connected with the driving rod through a pin shaft at the middle of the driving rod active connection.

Preferably, the scrap cutter is a rotary cutter, and the handle of the rotary cutter is vertically and fixedly connected to the cutter transmission rod.

Preferably, the positioning plate is provided with a cutter positioning block, and the cutter positioning block is provided with a cutter positioning hole for installing the rotary cutter, so that the rotary cutter can be adjusted by using the cutter positioning hole. Positioning to avoid misalignment of the rotary cutter during the working process and the inability to cut off the waste tape. Further, the cutter positioning block is provided with a locking groove connected to the cutter positioning hole, and an L-shaped locking member is buckled in the locking groove, and the locking member is installed and fixed on the The cutter is positioned on the block. In this way, when the needle insertion machine stops working, the rotary cutter can be locked through the L-shaped locking member, thereby locking the driving rod of the drive cylinder, and then locking the needle punching head, thereby avoiding the needle punching mechanism. Continue the needle punching operation while the needle insertion machine is stopped.

Preferably, the positioning plate is provided with a mounting groove for mounting the cutter positioning block. In this way, the protruding part of the cutter positioning block facing the positioning plate can be snapped into the installation groove, thereby improving the compactness of the needle punching mechanism and reducing the occupied space of the needle punching mechanism in the needle insertion machine.

The present invention also proposes a needle insertion machine, which is equipped with any one of the above-mentioned needle punching mechanisms.

Description of drawings

Fig. 1 is a schematic diagram of the first angle structure of the needle punching mechanism of the present invention;

Fig. 2 is a schematic diagram of the second angle structure of the needle punching mechanism shown in Fig. 1;

Fig. 3 is a schematic structural diagram of a third angle of the needle punching mechanism shown in Fig. 1;

FIG. 4 is a structural schematic view of the needle punching mechanism shown in FIG. 3 when the connection positioning device and the cutter positioning block are not installed.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

As shown in FIGS. 1-4 , the needle punching mechanism of the present invention includes a driving cylinder 1 , a punching transmission rod 2 , a needle punching head 3 , a connecting positioning device 4 and a scrap cutter 5 . Wherein, the driving cylinder 1 can be a pneumatic cylinder or a hydraulic cylinder. The connecting and positioning device 4 includes a connecting plate 41 and a positioning plate 42, and the connecting plate 41 and the positioning plate 42 are vertically connected to form an L-shaped structure, and the connecting plate 41 is provided with a mounting hole and is sleeved on the drive cylinder 1 through the mounting hole. On the driving rod 11 of the drive cylinder 1 and fixedly connected with the cylinder body 12 of the driving cylinder 1; the positioning plate 42 is provided with a positioning through groove 421, the upper end of the positioning through groove 421 is close to the connecting plate 41 and the extending direction of the positioning through groove 421 is consistent with the driving The axes of the rods 11 are parallel. One end of the punching transmission rod 2 is movably connected with the driving rod 11 through a pin shaft in the middle of the driving rod 11, and the other end of the punching transmission rod 2 is movably connected with the upper end of the needle punching head 3 through a pin shaft, and the punching transmission rod 2 is provided with a positioning connection hole 21, when the punching transmission rod 2 passes through the positioning through slot 421, the punching transmission rod 2 is movably connected with the positioning plate 42 through the positioning pin 422 installed in the positioning connection hole 21. Like this, when the driving rod 11 on the driving cylinder 1 stretches out, the driving rod 11 drives the punching transmission rod 2 to swing around the positioning pin shaft 422 to lift the needle punching head 3 from the needle punching seat 6; When the driving rod 11 on the 1 is retracted inwardly, the driving rod 11 drives the punching transmission rod 2 to swing around the positioning pin shaft 422 to press the needle punching head 3 to the needle punching seat 6 to complete the needle punching operation. In order to prevent the needle punching head 3 from shaking or swinging during the needle punching process and causing the needle punching position to be dislocated, a punching head positioning plate 43 is arranged on the positioning plate, and the punching head positioning plate 43 is located in the positioning through groove 421 Between the needle punching seat 6 and the punching head positioning plate 43, a positioning guide hole for installing the needle punching head 3 is provided. In this way, the needle punching head 3 is installed in the positioning guide hole. During the needle punching process, the needle punching head 3 moves up and down in the positioning guide hole, and the needle punching position is fixed, thereby improving the needle punching accuracy. Preferably, the punching head positioning plate 43 is in a "convex" shape, and installation through holes are provided on both shoulders of the punching head positioning plate 43, so that the punching head positioning plate 43 is installed and fixed in the positioning position by bolts or pins. plate 42. In this way, material can be saved, and it is convenient to install and fix the punching head positioning plate 43 on the positioning plate 42, and it can also prevent the punching head positioning plate 43 from affecting the installation and movement of other components. Preferably, the positioning plate 42 is provided with a mounting transverse groove 423 of the punching head positioning plate 43, and the mounting transverse groove 423 is located between the positioning through groove 421 and the needle punching seat 6 and is perpendicular to the positioning through groove 421, so that Then the punching head positioning plate 43 is installed on the positioning plate 42 .

The scrap cutter 5 is arranged on the discharge end of the needle punching seat 6, and the handle of the scrap cutter 5 is connected with the drive rod 11 of the drive cylinder 1 through the cutter drive rod 7, and the cutter drive rod 7 is connected with the drive rod 11 The protruding end is movably connected by a pin shaft. In this way, when the drive rod 11 of the drive cylinder 1 stretches out, the drive rod 11 drives the blade of the waste material cutter 5 through the cutter transmission rod 7 to cut down and cut off the waste material belt protruding from the discharge end of the needle punching seat 6. , so as to avoid the accumulation of waste tape in the pin insertion machine, occupying the equipment space of the pin insertion machine, and affecting the operation of the pin insertion machine. Preferably, the scrap cutter 5 is a rotary cutter, and the blade of the rotary cutter faces the discharge end of the needle punching seat 6. When the drive rod 11 is extended outward, the drive rod 11 drives the rotary cutter to rotate forward , at this moment, the blade of the rotary cutter cuts down, and cuts off the waste material belt protruding from the discharge end of the needle punching seat 6; when the drive rod 11 retracts inwardly, the drive rod 11 drives the rotary cutter to rotate in reverse, and at this time The blade of the rotary cutter turns upwards to prepare for the next cutting of the waste belt. Preferably, a cutter positioning block 8 is provided on the side where the positioning plate 42 is located at the discharge end of the needle punching seat 6, and the cutter positioning block 8 is provided with a cutter positioning hole for installing a rotary cutter. Like this, The handle of the rotary cutter is vertically fixedly connected with the cutter transmission rod 7, the cutter body is set in the cutter positioning hole, and the edge of the knife is positioned at the discharge end of the needle punching seat 6. Preferably, a locking groove 81 communicating with the cutter positioning hole is provided on the cutter positioning block 8, and an L-shaped locking piece 9 is arranged in the locking groove 81, and the L-shaped locking piece 9 passes through A locking bolt (not shown) is installed on the cutter positioning block 8 . In this way, when the needle insertion machine does not work for a long time, the L-shaped locking member can be locked so that the rotary cutter cannot rotate in the cutter positioning hole, and then the drive rod 11 of the drive cylinder 1 is locked, so that the drive rod 11 Telescopic movement cannot be performed, thereby avoiding the needle punching mechanism in the needle insertion machine from continuing the needle punching operation when the needle insertion machine stops working. Preferably, the locking groove is provided on the top of the cutter positioning block 8, so that the installation operator can install the L-shaped locking member into the locking groove 81 on the cutter positioning block 8. Preferably, it is provided on the positioning plate 42 There is an installation groove for installing the cutter positioning block 8, so that the compactness of the needle punching mechanism can be improved and the occupied space of the needle punching mechanism can be reduced. Preferably, the positioning block 8 is fixed on the positioning plate 42 by bolts. Of course, the waste material cutter can also use a switch knife. At this time, a knife groove can be set on the cutter positioning block to position the waste material cutter.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (10)

1. A needle punching mechanism, characterized in that, the needle punching mechanism comprises a drive cylinder, a punching transmission rod, a needle punching head, a connection positioning device and a scrap cutter, and the connection positioning device includes a connecting plate and a positioning plate, the connecting plate and the positioning plate are vertically connected to form an L-shaped structure, and the connecting plate is sleeved on the driving rod of the driving cylinder and fixedly connected with the cylinder body of the driving cylinder, the positioning plate A positioning slot is arranged on the top, and the extension direction of the positioning slot is parallel to the axis of the driving rod of the driving cylinder; the needle punching head is connected with the driving rod of the driving cylinder through a punching transmission rod, and the The punching transmission rod is installed in the positioning through groove and is flexibly connected with the positioning plate through the positioning pin; The driving rod of the drive cylinder is connected; during the working process of the needle punching mechanism, when the driving rod stretches out, the needle punching head is driven by the punching transmission rod to punch Lifting on the seat, the scrap cutter is pressed down under the drive of the cutter drive rod to cut off the scrap belt protruding from the discharge end of the needle punching seat; when the drive rod retracts inward , the needle punching head is driven by the punching transmission rod to press against the needle punching seat for punching operation, and the scrap cutter is lifted up by the drive of the cutting knife transmission rod to lower Prepare to cut off the waste tape for the first time. 2. The needle punching mechanism according to claim 1, wherein the positioning plate is provided with a punching head positioning plate, and the punching head positioning plate is located between the positioning through groove and the needle punching seat. Between, and the positioning plate of the punching head is provided with a positioning guide hole for installing the needle punching head. 3. The needle punching mechanism according to claim 2, characterized in that the positioning plate of the punching head is in the shape of a "convex", and the two side shoulders of the positioning plate of the punching head are provided with installation through holes . 4. The needle punching mechanism according to claim 2, characterized in that, the positioning plate is provided with an installation transverse groove for installing the punching head positioning plate, and the installation transverse groove is connected with the positioning through groove vertical. 5. The needle punching mechanism according to any one of claims 1-4, wherein the cutter drive rod is movably connected with the drive rod through a pin shaft at the protruding end of the drive rod, The punching transmission rod is movably connected with the driving rod through a pin shaft in the middle of the driving rod. 6 . The needle punching mechanism according to claim 5 , wherein the scrap cutter is a rotary cutter, and the handle of the rotary cutter is vertically fixedly connected to the cutter transmission rod. 6 . 7. The needle punching mechanism according to claim 6, wherein a cutter positioning block is arranged on the positioning plate, and a cutter positioning block for installing the rotary cutter is arranged on the cutter positioning block. hole. 8. The needle punching mechanism according to claim 7, characterized in that, the cutter positioning block is provided with a locking groove connected to the cutter positioning hole, and an L-shaped lock is provided in the locking groove. A tight member, and the locking member is installed and fixed on the cutter positioning block through a locking bolt. 9. The needle punching mechanism according to claim 7, characterized in that, the positioning plate is provided with a mounting groove for mounting the cutter positioning block. 10. A needle insertion machine, which is equipped with the needle punching mechanism according to any one of claims 1-9.