Hole supporting head assembly for punching gun

Abstract

The hole supporting head assembly for the punching gun comprises an inserting needle, the inserting needle is detachably connected with a punching needle of the punching gun, two sliding supporting pieces are symmetrically arranged on the two sides of the bottom end of the inserting needle, one side faces of the two sliding supporting pieces abut against each other, and the other side faces of the two sliding supporting pieces extend to a second through opening. A groove is formed in the upper side and a semicircular end head is arranged on the lower side of the sliding support sheet on one side surface of the second through hole, the inner side surface of the groove is connected with one end of a spring, and the other end of the spring abuts against the inner side surface of the protective baffle. The punching needle is pushed by power of the punching gun to drive the inserting needle, the inserting needle moves towards the bottom and impacts the two sliding supporting pieces, the ends of one sides of the two sliding supporting pieces slide out of the second through opening, the semicircular ends of the sliding supporting pieces impact the inner side of a rectangular hole of a plate, and the inner side face of the rectangular hole becomes a semicircular inner side face. And under the blocking of the protective baffle plate, the impacted plate fragments do not fly out towards one side of an operator, so that the safety of the operator is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a hole-supporting head assembly for a punching gun. Background Art

[0002] Punching refers to a processing method of punching holes on a workpiece. In the fields of mechanical manufacturing, advertising design, decorative packaging, etc., punching is very common because of its fast hole processing speed and standard and beautiful hole shape. It is especially suitable for hole processing of parts with large quantity, small hole spacing and thin workpiece thickness.

[0003] Currently, round holes of different sizes on the plate can be made by replacing the gun head of the punching gun, but the existing punching machine cannot process oblong holes in the plate. Utility Model Content

[0004] The utility model aims to provide a hole-supporting head assembly for a punching gun to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a hole-supporting head assembly for a punching gun, comprising a shell, the top of the shell is connected to an upper cover, the upper cover is connected to the punching gun through a gun head, a punching needle is sleeved in the gun head, the punching needle passes through the upper cover and extends into the shell, a pin is provided in the middle of the shell, the pin and the punching needle are detachably connected, the bottom end of the pin is conical, and two sliding support sheets are symmetrically arranged on both sides of the bottom end of the pin, and the sliding support sheet is slidably connected to the bottom of the shell, and the bottom two sides of the shell are provided with a second through opening, one side of the two sliding support sheets is in contact with each other, and the other side extends to the second through opening located on the same side of the shell, the sliding support sheet is provided with a semicircular end on the lower side of one side of the second through opening, the left and right outer sides of the shell are symmetrically connected to two guard plates, the top of the second through opening extends to the position where the guard plate is installed on the shell, and the upper side of the sliding support sheet located on one side of the second through opening is provided with a groove, the inner side of the groove is connected to one end of a spring, and the other end of the spring is in contact with the inner side of the guard plate.

[0006] Optionally, a mounting groove is provided at the top of the pin, and the mounting groove is connected to an end of the punching needle away from the punching gun.

[0007] Optionally, a first channel for the pin to slide is provided in the middle of the shell, and a first opening is provided at the bottom of the shell, and the first opening is arranged directly below the first channel.

[0008] Optionally, two second channels for sliding of the sliding support sheet are symmetrically provided at the bottom of the shell, and the second channels are communicated with the second through opening.

[0009] Optionally, the side surface of the shielding plate away from the shell is divided into a connecting surface and a shielding surface, the shielding surface is an inclined surface, and a side surface of the shielding plate away from the shielding surface is arranged on the second opening.

[0010] Optionally, a top of a side surface of the sliding support sheet away from the second through opening is provided with an inclined surface corresponding to the bottom end of the insertion pin.

[0011] Optionally, one end of the spring away from the groove passes through the second opening and abuts against the other side surface of the guard plate away from the guard surface.

[0012] Optionally, two first threaded holes are formed on the upper cover symmetrically with respect to the punch pin, a second threaded hole corresponding to the first threaded hole is formed on the top of the shell, and a hexagonal threaded column successively penetrates the first threaded hole and the second threaded hole so that the upper cover is installed on the top of the shell.

[0013] Optionally, a third threaded hole is provided on both side surfaces of the shell, a fourth threaded hole corresponding to the third threaded hole is provided on the connecting surface of the shield plate, and the threaded column successively penetrates the fourth threaded hole and the third threaded hole so that the shield plate is installed on both side surfaces of the shell.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model positions the hole support head assembly by placing the end of the hole support head assembly in the rectangular hole on the processed plate, and at the same time, the two guard plates are respectively pressed on the plate surface on both sides of the rectangular hole, and the punching gun is started, and the punching needle drives the insertion needle under the power of the punching gun, and the insertion needle moves toward the bottom along the first channel until its bottom end moves to the first through-hole at the bottom of the shell, at which time the bottom end of the insertion needle hits the two sliding support sheets at the bottom of the shell, and the two sliding support sheets separate and respectively move along the second channel to the same The second opening on one side slides, and at the same time, the spring is blocked by the guard plate and compressed. The sliding support piece at one end of the second opening slides out of the second opening, and its semicircular end hits the inner side of the rectangular hole in the plate, so that the inner side of the rectangular hole becomes a semicircular inner side. Under the blocking of the guard plate, the plate fragments that are hit do not fly toward the operator, thereby ensuring the safety of the operator. By closing the punching gun, the punch needle drives the insertion pin to move in the opposite direction. At the same time, the spring is no longer compressed, and pushes the two sliding support pieces to move in the opposite direction, thereby realizing the processing of the oblong hole on the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a three-dimensional diagram of the hole support head assembly according to an embodiment of the utility model.

[0017] Figure 2 It is an exploded view of the hole support head assembly according to an embodiment of the utility model.

[0018] Figure 3 This is a front cross-sectional view of the hole support head assembly according to an embodiment of the utility model.

[0019] Figure 4 This is a front cross-sectional view of the hole support head assembly of the embodiment of the utility model in a working state.

[0020] Figure 5 This is a schematic diagram of the structure of the sliding support sheet according to an embodiment of the utility model.

[0021] Figure 6 This is a schematic diagram of the structure of the hole support head assembly of an embodiment of the utility model installed on a punching gun.

[0022] In the figure: housing 1, first channel 101, second channel 102, upper cover 2, punch pin 3, plug pin 4, mounting groove 401, sliding support plate 5, groove 501, semicircular end 502, inclined surface 503, second through opening 6, spring 7, baffle plate 8, connecting surface 801, baffle surface 802, first through opening 9, first threaded hole 10, second threaded hole 11, hexagonal threaded column 12, third threaded hole 13, fourth threaded hole 14, threaded column 15, punching gun 16, gun head 17. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the embodiments of the present invention, it should be understood that if there are directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, inside, outside, etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0026] In the embodiments of the present invention, unless otherwise clearly specified and limited, if there are terms such as "installed", "connected", "connected", "fixed", etc., they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0027] like Figures 1 to 6 As shown, the embodiment of the utility model provides a support head assembly for a perforating gun, including a shell 1, the top of the shell 1 is connected to an upper cover 2, the upper cover 2 is connected to the perforating gun 16 through a gun head 17, a punching needle 3 is sleeved in the gun head 17, the punching needle 3 penetrates the upper cover 2 and extends to the inside of the shell 1, and a plug 4 is provided in the middle of the shell 1, the top of the plug 4 is detachably connected to the punching needle 3, the bottom of the plug 4 is conical, and two sliding support sheets 5 are symmetrically arranged on both sides of the bottom of the plug 4, and the sliding support sheet 5 is slidably connected to the bottom of the shell 1, and the bottom of the shell 1 is provided with a second plug 4. Two through openings 6, one side of the two sliding pieces 5 are in contact with each other, and the other side extends to the second through opening 6 located on the same side of the shell 1, and the sliding piece 5 is provided with a semicircular end 502 on the lower side of one side of the second through opening 6, and the two outer sides of the left and right sides of the shell 1 are symmetrically connected to two guard plates 8, and the top of the second through opening 6 extends to the position where the guard plate 8 is installed on the shell 1, and the sliding piece 5 is located on the upper side of one side of the second through opening 6. A groove 501 is provided, and the inner side of the groove 501 is connected to one end of the spring 7, and the other end of the spring 7 is in contact with the inner side of the guard plate 8.

[0028] In this embodiment, Figure 2 As shown, a mounting groove 401 is provided at the top of the insertion pin 4, and the mounting groove 401 is connected to the end of the punching pin 3 away from the punching gun 16.

[0029] Specifically, a protrusion corresponding to the mounting groove 401 is provided at the bottom end of the punch pin 3 , and the protrusion is connected to the mounting groove 401 of the insertion pin 4 , thereby realizing a detachable connection between the insertion pin 4 and the punch pin 3 .

[0030] In this embodiment, if Figure 2As shown, a first channel 101 for the pin 4 to slide is provided in the middle of the housing 1 , and a first opening 9 is provided at the bottom of the housing 1 , and the first opening 9 is arranged directly below the first channel 101 .

[0031] Specifically, when the punching gun 16 is working, the insertion pin 4 is driven by the punching pin 3 to move along the first channel 101 toward the first opening 9 .

[0032] In this embodiment, if Figure 5 As shown, a slope 503 corresponding to the bottom end of the insertion pin 4 is provided on the top of a side surface of the sliding support piece 5 away from the second through opening 6 .

[0033] Specifically, since the two sliding pieces 5 are in contact with each other at the side away from the second opening 6 , the two inclined surfaces 503 form a V-shaped opening, and the bottom end of the insertion pin 4 hits the V-shaped opening during movement, so that the two sliding pieces 5 are separated.

[0034] In this embodiment, if Figure 2 As shown, two second channels 102 for sliding of the sliding support sheet 5 are symmetrically provided at the bottom of the housing 1 , and the second channels 102 are communicated with the second opening 6 .

[0035] Specifically, after the insertion pin 4 hits the sliding support sheet 5 , the two separated sliding support sheets 5 move along the second channel 102 toward the second opening 6 on the same side.

[0036] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, the side of the shielding plate 8 away from the housing 1 is divided into a connecting surface 801 and a shielding surface 802 , the shielding surface 802 is an inclined surface, and a side of the shielding plate 8 away from the shielding surface 802 is arranged on the second opening 6 .

[0037] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, one end of the spring 7 away from the groove 501 passes through the second opening 6 and abuts against the other side of the guard plate 8 away from the guard surface 802 .

[0038] Specifically, when the sliding support piece 5 moves toward the second opening 6 , the inner side surface of the baffle plate 8 blocks the movement of the spring 7 , causing it to be compressed.

[0039] In this embodiment, if Figure 2 As shown, two first threaded holes 10 are symmetrically provided on the upper cover 2 about the punch pin 3, and a second threaded hole 11 corresponding to the first threaded hole 10 is provided on the top of the outer shell 1. The hexagonal threaded column 12 successively penetrates the first threaded hole 10 and the second threaded hole 11 so that the upper cover 2 is installed on the top of the outer shell 1.

[0040] Specifically, the arrangement of the hexagonal threaded column 12, the first threaded hole 10 and the second threaded hole 11 enables the upper cover 2 to be detachable from the top of the housing 1, so as to facilitate replacement of different hole support head assemblies for oblong holes of different sizes.

[0041] In this embodiment, if Figure 2 As shown, third threaded holes 13 are provided on both side surfaces of the housing 1, and fourth threaded holes 14 corresponding to the third threaded holes 13 are provided on the connecting surface 801 of the baffle plate 8, and the threaded column 15 successively penetrates the fourth threaded hole 14 and the third threaded hole 13 so that the baffle plate 8 is installed on both side surfaces of the housing 1.

[0042] Specifically, the third threaded hole 13 , the fourth threaded hole 14 and the threaded column 15 are provided to facilitate the inspection of the spring 7 that conflicts with the baffle plate 8 and the replacement of the spring 7 .

[0043] When in use, the operator first installs the hole support head assembly on the gun head 17 of the punching gun 16, and the punching needle 3 is connected to the insertion needle 4. At this time, the end of the hole support head assembly is placed in the rectangular hole on the processed plate. At the same time, the two guard plates 8 are pressed on the surface of the plate on both sides of the rectangular hole. Then the punching gun 16 is started. The punching needle 3 drives the insertion needle 4 under the power of the punching gun 16. The insertion needle 4 moves inward along the first channel 101 until its bottom end moves to the first opening 9 at the bottom of the shell 1. At this time, the bottom end of the insertion needle 4 hits the two sliding support sheets 5 at the bottom of the shell 1. The two sliding support sheets 5 separate and move along the second channel 101 respectively. 2 slides toward the second opening 6 on the same side, and the spring 7 is blocked by the guard plate 8 and compressed. The end of the sliding support piece 5 located on one side of the second opening 6 slides out of the second opening 6, and its semicircular end 502 hits the inner side of the rectangular hole of the plate, so that the inner side of the rectangular hole becomes a semicircular inner side. Under the blockage of the guard plate 8, the plate fragments that are hit do not fly toward the operator side, thereby ensuring the safety of the operator. Finally, the punching gun 16 is closed, and the punching needle 3 drives the insertion needle 4 to move in the opposite direction. At the same time, the spring 7 is no longer compressed and pushes the two sliding support pieces 5 to move in the opposite direction, thereby realizing the processing of the oblong hole on the plate.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hole-supporting head assembly for a perforating gun, comprising a housing (1), characterized in that: The top of the shell (1) is connected to the upper cover (2), and the upper cover (2) is connected to the punching gun (16) through the gun head (17). A punching needle (3) is sleeved in the gun head (17), and the punching needle (3) penetrates the upper cover (2) and extends into the shell (1). A plug pin (4) is provided in the middle of the shell (1), and the plug pin (4) is detachably connected to the punching needle (3). The bottom end of the plug pin (4) is conical, and two sliding support sheets (5) are symmetrically arranged on both sides of the bottom end of the plug pin (4), and the sliding support sheet (5) is slidably connected to the bottom of the shell (1). Second openings (6) are opened on both sides of the bottom of the shell (1), and the two sliding support sheets The side surfaces of the sliding support sheet (5) are in contact with each other, and the other side surface extends to a second opening (6) located on the same side of the housing (1); the sliding support sheet (5) is provided with a semicircular end head (502) on the lower side of one side surface of the second opening (6); the left and right outer sides of the housing (1) are symmetrically connected to two baffle plates (8); the top of the second opening (6) extends to the position where the baffle plate (8) is installed on the housing (1); the sliding support sheet (5) is provided with a groove (501) on the upper side of one side surface of the second opening (6); the inner side surface of the groove (501) is connected to one end of the spring (7); the other end of the spring (7) is in contact with the inner side surface of the baffle plate (8).

2. A hole support head assembly for a punching gun according to claim 1, characterized in that: The top end of the insertion pin (4) is provided with a mounting groove (401), and the mounting groove (401) is connected to the end of the punching pin (3) away from the punching gun (16).

3. A hole support head assembly for a punching gun according to claim 1, characterized in that: A first channel (101) for the insertion pin (4) to slide is provided in the middle of the shell (1), and a first opening (9) is provided at the bottom of the shell (1), wherein the first opening (9) is arranged directly below the first channel (101).

4. According to the hole-supporting head assembly for a punching gun as described in claim 1, two second channels (102) for sliding of the sliding support plate (5) are symmetrically provided at the bottom of the shell (1), and the second channels (102) are connected to the second opening (6).

5. A hole support head assembly for a punching gun according to claim 1, characterized in that: The side surface of the shielding plate (8) away from the housing (1) is divided into a connecting surface (801) and a shielding surface (802), the shielding surface (802) is an inclined surface (503), and a side surface of the shielding plate (8) away from the shielding surface (802) is arranged on the second opening (6).

6. A hole support head assembly for a punching gun according to claim 1, characterized in that: A slope (503) corresponding to the bottom end of the insertion pin (4) is provided at the top of a side surface of the sliding support sheet (5) away from the second opening (6).

7. A hole support head assembly for a punching gun according to claim 5, characterized in that: One end of the spring (7) away from the groove (501) passes through the second opening (6) and contacts the other side of the guard plate (8) away from the guard surface (802).

8. A hole support head assembly for a punching gun according to claim 1, characterized in that: The upper cover (2) is provided with two first threaded holes (10) symmetrically about the punching needle (3); the top of the outer shell (1) is provided with a second threaded hole (11) corresponding to the first threaded hole (10); a hexagonal threaded column (12) successively penetrates the first threaded hole (10) and the second threaded hole (11) so that the upper cover (2) is mounted on the top of the outer shell (1).

9. A hole support head assembly for a punching gun according to claim 5, characterized in that: The outer shell (1) is provided with a third threaded hole (13) on both side surfaces, the connecting surface (801) of the shield plate (8) is provided with a fourth threaded hole (14) corresponding to the third threaded hole (13), and the threaded column (15) successively penetrates the fourth threaded hole (14) and the third threaded hole (13) so that the shield plate (8) is mounted on both side surfaces of the outer shell (1).

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