CN217798201U - Bender clamp plate cutting die and bender - Google Patents

Abstract

The utility model discloses a bender clamp plate cutting die and bender, including the blade holder, activity blade subassembly, actuating mechanism, activity blade subassembly is including being the rotation axis of vertical direction movable mounting on the blade holder, connect in the locating part of blade holder, the tool bit of fixed connection at the rotation axis lower extreme, the tool bit is provided with the portion of dodging, the relative blade holder of rotation axis slides from top to bottom and around the rotatory setting of self axis, be provided with on the rotation axis outer wall and be spiral extension helicla flute about, the locating part is equipped with grafting portion, grafting portion inserts the slidable setting in the helicla flute, actuating mechanism sets up to drive the relative blade holder of rotation axis and reciprocates. The utility model discloses a direction of helicla flute and locating part makes the tool bit upwards or move down on one side, and rotary motion on one side reciprocates the in-process and can make the portion of dodging of tool bit bend the limit towards the work piece, and then makes the tool bit walk around the interference on the limit of bending in the work piece, has guaranteed going on smoothly of the process of bending.

Description

Bender clamp plate cutting die and bender

Technical Field

The utility model relates to a bender field, in particular to bender clamp plate cutting die and bender.

Background

The bending machine is a machine for bending a plate, and comprises a pressing mechanism for pressing a workpiece, wherein the pressing mechanism comprises an upper knife beam, an upper fixed knife connected to the lower end of the upper knife beam, a lower fixed knife located below the upper fixed knife and corresponding to the upper fixed knife, and a driving mechanism for driving the upper knife beam and the upper fixed knife to move up and down, and the upper fixed knife moves downwards to press the workpiece to be bent on the lower fixed knife.

In the use process of the bending machine, the following situations can be encountered: when a certain bend is formed, the side edge of the workpiece has an inward bending edge, and the bending edge can block the tool bit when the upper fixed tool falls normally, so that the pressing plate cutting die at the edge cannot be pressed to the end of the bending line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bender clamp plate cutting die and bender to solve one or more technical problem that exist among the prior art, provide a profitable selection or creation condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an at first bender clamp plate cutting die, it includes blade holder, activity tool bit subassembly, actuating mechanism, activity tool bit subassembly including be vertical direction movable mounting in rotation axis on the blade holder, connect in locating part, the fixed connection of blade holder are in the tool bit of rotation axis lower extreme, the tool bit is provided with dodges the portion, the rotation axis is relative the seat slides from top to bottom and winds the rotatory setting of self axis, be provided with on the rotation axis outer wall and be spiral extension helicla flute about being, the locating part is equipped with grafting portion, grafting portion inserts slidable setting in the helicla flute, actuating mechanism sets up to the drive the rotation axis is relative the blade holder reciprocates.

The utility model has the advantages that: through setting up the rotatory rotation axis of drive tool bit, set up the helicla flute that is upper and lower spiral extension on the outer wall of rotation axis, can realize that the tool bit upwards or move down on one side, rotary motion on one side, bender is when the operation like this, and the tool bit can make the portion of dodging of tool bit towards the interior limit of bending of work piece under the guide effect of helicla flute and locating part reciprocating the in-process, and then makes the tool bit walk around the interference on the interior limit of bending of work piece, has guaranteed going on smoothly of the process of bending.

As a further improvement of the above technical scheme, the tool apron is provided with a shaft hole along the vertical direction, the rotating shaft is inserted and located in the shaft hole, the upper end of the shaft hole is provided with a limit counter bore, the opening part cover of the limit counter bore is provided with a cover body, the upper end of the rotating shaft is provided with a limit structure, the limit structure is accommodated in the limit counter bore, the limit counter bore and the cover body are used for preventing the rotating shaft from deviating from the shaft hole of the tool apron, and the rotating shaft has a limit effect.

As a further improvement of the above technical solution, the limiting member is fixedly disposed on the tool post, the cover is provided with an opening, the limiting structure includes an abutting portion located at an upper end and a limiting member located below the abutting portion and protruding on an outer wall of the rotating shaft, the driving mechanism is configured to drive the abutting portion to move up and down in the opening, the limiting member is fixed on the tool post, the rotating shaft moves up and down in the tool post, and the opening is formed in the cover, so that the abutting portion of the rotating shaft can move up and down in the opening, and the driving mechanism can directly drive the rotating shaft from above the cover.

As a further improvement of the technical scheme, the driving mechanism comprises a pressing rod and a pressing rod driving piece for driving the pressing rod to move up and down, the pressing rod is arranged on the upper end face of the cover body, the abutting part penetrates through the opening and abuts against the pressing rod, the pressing rod is adopted to directly drive the rotating shaft, and the driving structure is simple.

As a further improvement of the technical scheme, the pressing rod extends transversely, the two ends of the pressing rod are connected with the pressing rod driving parts, and after the pressing plate cutting die is installed and the bending machine is used, the pressing rod transversely acts on the whole length range of the upper cutting beam, so that the driving mechanism can enable the cutter head component to move without adjusting the position no matter where the movable cutter head component is installed.

As a further improvement of the technical scheme, an elastic restoring piece is arranged between the lower end face of the limiting block and the step face of the limiting counter bore and used for enabling the rotating shaft to automatically restore.

As a further improvement of the technical scheme, a positioning structure is further arranged between the upper surface of the cutter head and the lower end surface of the cutter holder, and when the cutter head is combined with the cutter holder, the cutter head is kept to be accurately positioned.

Furthermore the utility model provides a bender, it includes above-mentioned technical scheme bender clamp plate cutting die, still include the sword roof beam, set up in go up the last fixed knife tackle of sword roof beam below, the blade holder install in go up on the sword roof beam, movable cutter head assembly set up in go up the fixed knife tackle outside.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic perspective view of a press plate cutting die of a bending machine according to an embodiment of the present invention;

fig. 2 is a partial structural sectional view of a press plate cutting die of the bending machine according to the embodiment of the present invention;

FIG. 3 is a schematic view of the tool holder of FIG. 2 in another orientation with the tool holder removed;

fig. 4 is an initial state of the bending machine according to the embodiment of the present invention during a bending operation;

fig. 5 is a schematic view illustrating that the tool bit moves spirally downward when the bending machine performs bending operation until the tool bit is in an avoidance state;

FIG. 6 is a schematic view of the tool holder driving the tool tip to move downward on the basis of FIG. 5;

fig. 7 is a schematic structural diagram of the bending machine according to the embodiment of the present invention when pressing a workpiece.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The bending machine according to the present embodiment is described with reference to fig. 1 to 4, and includes an upper knife beam 400, an upper fixed knife group 500 mounted at a lower end of the upper knife beam 400, a movable press plate knife mold mounted at a lower end of the upper knife beam 400 and located outside the upper fixed knife group 500, and a lower fixed knife 600. Referring to fig. 4, the upper fixed cutter set 500 includes a plurality of fixed cutter heads arranged in a transverse direction, and the upper fixed cutter set 500 and the movable press plate cutter die move downward to press the workpiece 700 against the lower fixed cutter 600 and then bend the workpiece having an inward turned edge at its side.

It should be noted that the "transverse direction" in the present embodiment refers to the longitudinal direction of the upper blade beam.

Specifically, the platen die includes a tool post 100 fixed to the upper tool beam 400, a movable head assembly 200 connected to the tool post, and a driving mechanism 300.

The tool post 100 is provided with a shaft hole along a vertical direction, the movable tool bit assembly 200 includes a rotating shaft 210 vertically inserted into the shaft hole, a limiting member 220 fixedly connected to the tool post 100, and a tool bit 230 fixedly connected to a lower end of the rotating shaft 210, the rotating shaft 210 is configured to be movable up and down along the shaft hole, and the driving mechanism 300 drives the rotating shaft 210 to move.

Specifically, the outer wall of the rotating shaft 210 is provided with a spiral groove 211, the end of the limiting member 220 is provided with an inserting portion, the inserting portion is inserted into the spiral groove 211 and is slidably disposed, the limiting member 220 of this embodiment employs a pin shaft, the tool holder 100 is provided with a pin shaft hole, the pin shaft passes through the pin shaft hole and inserts the inserting portion at the end of the pin shaft into the spiral groove 211, and the axis of the pin shaft is perpendicular to the axis of the rotating shaft 210, so that when the driving mechanism 300 drives the rotating shaft 210 to move up and down, the rotating shaft 210 moves up and down while rotating under the guiding action of the spiral groove 211 and the pin shaft.

More specifically, the movement locus of the insertion part in the spiral groove 211 is rotated by 90 ° along the rotation axis 210, that is, the rotation angle of the rotation axis 211 during the pressing down process or the moving up process is 90 ° in the case where the insertion part is fixed to the tool holder 100.

In addition, the tool bit 230 includes a side 231 protruding and extending outward, and a retraction portion 232 disposed adjacent to the side 231, wherein a distance from an edge of the side 231 to an axis of the rotating shaft 210 is greater than a distance from an edge of the retraction portion 232 to the axis of the rotating shaft 210, so that the tool bit 230 can avoid interference of an inner bent edge of the workpiece 700 through the retraction portion 232 during the up-and-down movement process. When the inserting part is located at the termination position of the upper end of the spiral groove 211, the tool bit 230 is separated from the tool holder 100, and the retraction part 232 faces the outer side direction of the upper tool beam 400 at the moment, and the position is an avoidance state of the tool bit 230 relative to the workpiece 700; when the rotating shaft 210 drives the cutter head 230 to move upwards from the separated position, the spiral groove 211 moves upwards relative to the inserting part, the rotating shaft 210 drives the cutter head to move upwards in the moving process until the inserting part is located at the end position of the lower end of the spiral groove 211, the cutter head 230 is arranged to be combined with the cutter holder 100, and the cutter head 230 rotates 90 degrees at the moment, and the side part 231 of the cutter head faces the outer side direction of the upper cutter beam 400.

Referring to fig. 4, when the tool bit 230 is located at an initial position, the tool bit 230 is located adjacent to an adjacent fixed tool bit, and the tool bit 230 rotates while moving downward under the guiding action of the spiral groove and the limiting member, and therefore, referring to fig. 6, after the tool bit 230 rotates 90 ° from the initial position, the front portion 233 adjacent to the side portion 231 rotates to a position below the adjacent fixed tool bit, and more specifically, the thickness dimension of the front portion 233 gradually decreases in an outward direction, so that the tool bit 230 does not interfere with the adjacent fixed tool bit all the time in the process of descending and rotating along the spiral groove 211, that is, the spiral groove 211 is located to prevent the tool bit 230 from interfering with a bent edge in a workpiece, and to prevent the tool bit 230 from interfering with the adjacent fixed tool bit, and thus the bending process can be smoothly performed.

Further, a limiting counter bore 260 is arranged at the upper end of the shaft hole of the tool holder 100, a cover body 270 is arranged at the opening of the limiting counter bore 260 in a covering manner, a hole is formed in the cover body 270, an abutting portion 212 is arranged at the upper end of the rotating shaft 210, a limiting block 250 which surrounds the rotating shaft 211 and is convexly arranged on the outer wall is arranged below the abutting portion 212, when the rotating shaft 211 moves up and down, the limiting block 250 moves in a space surrounded by the limiting counter bore 260 and the cover body 270, when the rotating shaft 210 moves to an upward limit position, the limiting block 250 is abutted by the cover body 270, meanwhile, the abutting portion 212 extends out of the hole of the cover body 270, and when the rotating shaft 210 moves to a downward limit position, the limiting block 250 is abutted by the step surface of the limiting counter bore 260. Through set up the trompil on lid 270 for the butt portion of rotation axis 210 can reciprocate in this trompil, and then can make actuating mechanism 300 directly drive rotation axis 210 from lid 270 top, and actuating mechanism's structure can be simpler, can not receive actuating mechanism's influence when blade holder 100 dismantles, and the installation is dismantled conveniently.

An elastic restoring piece 240 is arranged between the lower end face of the limiting block 250 and the step face of the limiting counter bore 260, and the elastic restoring piece is a return spring in the embodiment.

In addition, a positioning structure is further disposed between the upper surface of the tool bit 230 and the lower end surface of the tool holder 100, the positioning block 280 is fixed to the tool bit 230 and protrudes out of the upper surface of the tool bit 230, the lower end surface of the tool holder 100 is provided with a positioning groove 290 for accommodating and positioning the positioning block, and when the tool bit 230 is combined with the tool holder 100, that is, the upper surface of the tool bit 230 is attached to the lower end surface of the tool holder 100, the positioning block 280 is clamped with the positioning groove 290, so as to maintain the accurate positioning of the tool bit 230.

Further, the driving mechanism 300 includes a pressing rod 310 and a pressing rod driving member for driving the pressing rod 310 to move up and down, the pressing rod driving member may employ a driving motor and a telescopic cylinder, the pressing rod driving member of the embodiment employs a telescopic cylinder, the pressing rod 310 is disposed on the upper end surface of the cover 270, and the abutting portion 212 penetrates through the opening of the cover 270 and abuts against the pressing rod 310, so that the telescopic cylinder drives the pressing rod 310 to move down and can push the rotating shaft 210 to move down, and when the telescopic cylinder drives the pressing rod 310 to move up, the rotating shaft 210 automatically returns under the action of the return spring.

In addition, referring to fig. 7, a pressing rod groove 410 is transversely formed through the lower end surface of the upper blade beam 400, the pressing rod 310 is arranged in the pressing rod groove 410 in a penetrating manner, and two ends of the pressing rod 310 extend to the outer side of the pressing rod groove 410, the telescopic cylinder is fixed on the outer side of the upper blade beam 400 and is connected with two ends of the pressing rod 310 extending from the pressing rod groove 410, and the pressing rod 310 transversely penetrates through the pressing rod groove 410 so that the driving force of the driving mechanism 300 can act on the whole length range of the upper blade beam 400.

The working process is as follows: describing the operation of the bending machine of the present embodiment for pressing a workpiece with reference to fig. 4-7, fig. 4 shows an initial state, in which the tool bit 230 is coupled to the tool post 100, and the side 231 faces the outer side of the upper tool beam 400; then, referring to fig. 5, the pressing rod 310 drives the rotating shaft 210 to rotate downwards spirally from the initial position, after rotating 90 ° clockwise, the retraction part 232 faces the outside direction of the upper knife beam 400, the front part 233 moves to the lower part of the adjacent fixed knife head, and then the upper knife beam 400 drives the fixed knife head to move downwards together with the knife head 230; referring to fig. 6, since the distance from the edge of the side portion 231 to the axis of the rotating shaft 210 is greater than the distance from the edge of the retraction portion 232 to the axis of the rotating shaft 210, the retraction portion 232 can avoid the inner bent edge of the workpiece 700 to continue moving downward during the downward movement of the tool bit 230, the telescopic cylinder drives the pressing rod 310 to move upward before the tool bit 230 presses the workpiece, the rotating shaft 210 automatically returns under the action of the return spring, the rotating shaft 210 also moves upward relative to the tool apron 100 along with the pressing rod 310, and simultaneously, the tool bit 230 also moves upward relative to the tool apron 100 and rotates counterclockwise; referring to fig. 7, after the tool bit rotates 90 °, the tool bit 230 is combined with the tool holder 100 again, the side 231 faces the outer side of the upper tool beam 400, the tool bit 230 and the adjacent fixed tool bit press the workpiece 700 against the lower fixed tool 600, the edge of the side 231 can be pressed to the end of the bending line, and the bending quality of the workpiece 700 is ensured.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (8)

1. The utility model provides a bender clamp plate cutting die which characterized in that: including blade holder (100), movable cutter head subassembly (200), actuating mechanism (300), movable cutter head subassembly (200) including be vertical direction movable mounting in rotation axis (210) on blade holder (100), connect in locating part (220), the fixed connection of blade holder (100) are in tool bit (230) of rotation axis (210) lower extreme, tool bit (230) are provided with dodges the portion, rotation axis (210) are relative blade holder (100) slide from top to bottom and around the rotatory setting of self axis, be provided with on rotation axis (210) outer wall and be spiral extension helicla flute (211) from top to bottom, locating part (220) are equipped with grafting portion, grafting portion inserts and is in slidable sets up in helicla flute (211), actuating mechanism (300) set up to the drive rotation axis (210) are relative blade holder (100) reciprocate.

2. The bending press platen cutting die according to claim 1, wherein: the utility model discloses a spacing structure of tool apron, including blade holder (100), rotation axis (210), shaft hole, limiting counter bore (260), lid (270) are equipped with to the opening part lid of limiting counter bore (260), rotation axis (210) upper end sets up limit structure, limit structure is held in limiting counter bore (260).

3. The bender press plate cutting die according to claim 2, wherein: the limiting part (220) is fixedly arranged on the tool apron (100), an opening is formed in the cover body (270), the limiting structure comprises a butting part (212) located at the upper end and a limiting block (250) located below the butting part (212) and protruding from the outer wall of the rotating shaft (210), and the driving mechanism (300) is arranged to drive the butting part (212) to move up and down in the opening.

4. The bender press plate cutting die according to claim 3, wherein: the driving mechanism (300) comprises a pressing rod (310) and a pressing rod driving piece (320) for driving the pressing rod (310) to move up and down, the pressing rod (310) is arranged on the upper end face of the cover body (270), and the abutting portion (212) penetrates through the opening and abuts against the pressing rod (310).

5. The bender press plate cutting die according to claim 4, wherein: the compression bar (310) extends transversely, and two ends of the compression bar (310) are connected with the compression bar driving piece (320).

6. The bending press platen cutting die according to any one of claims 3-5, wherein: an elastic restoring piece (240) is arranged between the lower end face of the limiting block (250) and the step face of the limiting counter bore (260).

7. The bending press platen cutting die according to claim 1, wherein: a positioning structure is also arranged between the upper surface of the cutter head (230) and the lower end surface of the cutter holder (100).

8. A bending machine, its characterized in that: the press plate cutting die of the bending machine comprises an upper cutting beam (400) and an upper fixed cutting group (500) arranged below the upper cutting beam (400), wherein the cutter holder (100) is arranged on the upper cutting beam (400), and the movable cutter head assembly (200) is arranged on the outer side of the upper fixed cutting group (500).

Images