CN103949529B - A kind of cutter head pulley fender bracket side opening shaped device - Google Patents

Abstract

The invention relates to a side hole forming device for a cutter head pulley protection frame, which includes a frame platform and a liftable platform arranged above the platform, and is characterized in that: the table of the frame platform is provided with a pulley protection frame The positioning block of the U-shaped semi-finished product, one side of the positioning block is provided with a first punching mechanism for processing the first hole on the U-shaped part of one side of the semi-finished product, and the other side of the positioning block is provided with the other side for processing the semi-finished product. The second punching mechanism for the second, third, fourth, and fifth holes on the U-shaped part on one side, wherein the first punching mechanism includes a first rod-shaped punch for forming the first hole, and the second The punching mechanism includes the second, third, fourth, and fifth rod-shaped punches for processing the second, third, fourth, and fifth holes respectively, wherein the first rod-shaped punch and the second rod-shaped punch are located on the same axis , the third, fourth and fifth rod-shaped punches are located in the same longitudinal direction. The invention has simple structure, convenient processing, and can effectively ensure the coaxiality of the holes, thus meeting the later assembly requirements.

Description

A side hole forming device for a cutter head pulley protection frame

technical field

The invention relates to a side hole forming device for a protective frame of a cutter head pulley, which is used for hole processing on the protective frame of a cutter head pulley.

Background technique

The cutter head pulley protection frame is used in the paper cutter. At present, the holes on the same axis are not positioned well during the processing, so the coaxiality is not high during processing, which leads to the ineffective installation of the product in the later assembly process. . Therefore, it is the object of the present invention to study the above problems.

Contents of the invention

In view of the deficiencies of the prior art, the present invention provides a side hole forming device for the cutter head pulley protection frame, which helps to solve the problem that the existing equipment cannot effectively process the holes required for the coaxiality of the protection frame.

Technical scheme of the present invention is:

A side hole forming device for a cutter head pulley protection frame, including a frame platform and a liftable platform arranged above the platform, characterized in that: a U-shaped semi-finished product for installing the pulley protection frame is arranged on the table of the frame platform A positioning block, one side of the positioning block is provided with a first punching mechanism for processing the first hole on the U-shaped side of the semi-finished product, and the other side of the positioning block is provided with another U-shaped hole for processing the semi-finished product The second punching mechanism for the second, third, fourth, and fifth holes on one side, wherein the first punching mechanism includes a first rod-shaped punch for forming the first hole, and the second punching mechanism Including the second, third, fourth, and fifth rod-shaped punches for processing the second, third, fourth, and fifth holes respectively, wherein the first rod-shaped punch and the second rod-shaped punch are located on the same axis, and the third , four and five rod-shaped punches are located in the same longitudinal direction.

Wherein, the first punching mechanism also includes a first fixed block and a first stopper on the side adjacent to the first fixed block, the first rod-shaped punch is located in the first fixed block and slides with it To connect, an inclined notch is provided on the side of the contacting side of the first fixing block and the first stopper, and one end of the first rod-shaped punch extends into the notch.

The second punching mechanism includes a second fixed block and a second stopper on one side adjacent to the second fixed block, and the second, third, fourth, and fifth rod-shaped punches are located in the second fixed block, and To realize the sliding connection, an inclined notch is provided on the side of the contacting side of the second fixed block and the second stopper, and one end of the second, third, fourth and fifth rod-shaped punches extends into the notch.

The liftable platform is provided with a pressing plate for pressing the semi-finished product on the positioning block, and the two sides of the pressing plate are respectively provided with a rod-shaped punch for driving the first punching mechanism and the second punching mechanism for horizontal punching. A first driving punch and a second driving punch.

A rubber sleeve is placed on a first connecting rod located outside the second block, and the outer end of the first connecting rod is fixedly connected with the outer end of the rubber sleeve through an end cover. A second connecting rod located outside the first block A compression spring is set on the top, and the outer end of the second connecting rod connects the compression spring to the outer surface of the first block through the adjusting nut.

A notch is provided in the middle of the first driving punch and the second driving punch so that the driving punch does not touch the connecting rod when it goes down.

A positioning column for positioning the semi-finished product is also arranged on the upper end surface of the positioning block.

The advantages of the present invention are: the present invention has a simple structure, convenient processing, and can effectively guarantee the coaxiality of the holes, thus meeting the later assembly requirements.

Description of drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic diagram of the structure along the direction A of FIG. 1 .

FIG. 3 is a schematic diagram of the structure along the direction B of FIG. 1 .

detailed description

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Referring to Fig. 1, Fig. 2 and Fig. 3, the present invention relates to a side hole forming device of a cutter head pulley protection frame, comprising a frame platform 1 and a liftable platform 2 arranged above the platform, and the table of the frame platform is provided with There is a positioning block 3 for installing the U-shaped semi-finished product of the pulley protection frame, one side of the positioning block is provided with the first punching mechanism 4 for processing the first hole on the U-shaped side of the semi-finished product, the positioning block The other side is provided with the second punching mechanism 5 for processing the second, third, fourth, and fifth holes on the other side of the U shape of the semi-finished product, wherein the first punching mechanism includes a hole for forming the first hole The first rod-shaped punch 4-1, the second punching mechanism includes the second, third, fourth, and fifth rod-shaped punches 5-1, 5-1 for processing the second, third, fourth, and fifth holes respectively. 2. 5-3, 5-4, wherein, the first rod-shaped punch and the second rod-shaped punch are located on the same axis, and the third, fourth, and fifth rod-shaped punches are located on the same longitudinal direction.

The above-mentioned first punching mechanism also includes a first fixed block 4-2 and a first stop 4-3 on one side of the first fixed block, the first rod-shaped punch is located in the first fixed block, and To realize the sliding connection, an inclined notch 4-4 is provided on the side of the contacting side of the first fixing block and the first stopper, and one end of the first rod-shaped punch extends into the notch.

The above-mentioned second punching mechanism includes a second fixed block 5-5 and a second stopper 5-6 on one side of the second fixed block, and the second, third, fourth, and fifth rod-shaped punches are located at the second fixed block. In the block, and realize sliding connection with it, an inclined notch 5-7 is provided on the side of the contact side of the second fixed block and the second block, and one end of the second, third, fourth, and fifth rod-shaped punches protrudes into the notch.

The above-mentioned liftable platform is provided with a pressing plate 6 for pressing the semi-finished product on the positioning block, and the two sides of the pressing plate are respectively provided with a rod-shaped punch for driving the first punching mechanism and the second punching mechanism for horizontal punching. The first driving punch 7 and the second driving punch 8 move up and down in their corresponding inclined notches respectively.

A rubber sleeve 10 is placed on a first connecting rod 9 outside the second block, and the outer end of the first connecting rod is fixedly connected with the outer end of the rubber sleeve through an end cover 11. A compression spring 13 is set on the second connecting rod 12, and the outer end of the second connecting rod connects the compression spring to the outer surface of the first block through the adjusting nut 14. The above-mentioned connecting rods connect their corresponding punching mechanisms in series.

A notch 15 is provided in the middle part of the above-mentioned first driving punch and the second driving punch, so that the driving punch does not touch the connecting rod when it goes down.

A positioning column 16 for positioning the semi-finished product is also provided on the upper end surface of the positioning block.

The implementation process of the present invention: first, the semi-finished product that has formed a U shape is installed on the positioning block through the positioning column on the positioning block, and then the liftable table is driven to press the top surface of the semi-finished product through the pressing plate, and the drive on both sides of the pressing plate The punch drives the rod-shaped punches of the first and second punching mechanisms to move. Since the above structure has been installed on the frame platform in accordance with the coaxiality requirements in the early stage, the punched holes can effectively meet the coaxiality requirements. Require.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (4)

1. a cutter head pulley fender bracket side opening shaped device, comprise framework platform and be located at the liftable platform above platform, it is characterized in that: the table top of described framework platform is provided with one in order to install the half-finished locating piece of pulley fender bracket U-shaped, the side of described locating piece is provided with the first blanking mechanism of the first hole processed on semi-finished product U-shaped portion side, the opposite side of described locating piece is provided with to process second on semi-finished product U-shaped portion opposite side, three, four, second blanking mechanism of five holes, wherein, first blanking mechanism comprises a first shaft-like drift in order to form the first hole, described second blanking mechanism comprises processing second respectively, three, four, second of five holes, three, four, five shaft-like drifts, wherein, first shaft-like drift and the second shaft-like drift are positioned on same axis, 3rd, four, five shaft-like drifts are positioned on same longitudinal direction, described first blanking mechanism also comprises the first block on one first fixed block and next-door neighbour the first fixed block side, described first shaft-like drift is positioned at the first fixed block, and be slidably connected with its realization, the side of described first fixed block and the first block contact side offers an inclined notch, notch is stretched in one end of described first shaft-like drift, described second blanking mechanism comprises the second block on the second fixed block and next-door neighbour the second fixed block side, described second, three, four, five shaft-like drifts are positioned at the second fixed block, and be slidably connected with its realization, the side of described second fixed block and the second block contact side offers an inclined notch, described second, three, four, this notch is stretched in one end of five shaft-like drifts, described liftable platform is provided with one in order to semi-finished product to be pressed on the pressing plate on locating piece, described pressing plate both sides are respectively equipped with one and drive drift and second to drive drift in order to drive first of the first blanking mechanism and the horizontal stamping-out of the shaft-like drift of the second blanking mechanism.

2. a kind of cutter head pulley fender bracket side opening shaped device according to claim 1; it is characterized in that: be positioned on the first connecting rod outside the second block and be set with a rubber sleeve; and outer end one end cap of first connecting rod and rubber sleeve outer end are connected; be positioned on the second connecting rod outside the first block and be set with a stage clip, and the outer end of second connecting rod through adjusting nut by stage clip apical grafting on the lateral surface of the first block.

3. a kind of cutter head pulley fender bracket side opening shaped device according to claim 2, is characterized in that: described first drives drift and second to drive the middle part of drift to offer a notch, is beneficial to not encounter connecting rod when driving drift descending.

4. a kind of cutter head pulley fender bracket side opening shaped device according to claim 1, is characterized in that: the upper surface of described locating piece is also provided with locate half-finished locating dowel.