Punching sleeve head assembly structure, punching connector and punching tool

Abstract

The utility model discloses a punching sleeve head assembly structure, a punching connector and a punching tool, and belongs to the technical field of punching tools. A punching seat of the punching sleeve head assembly structure is provided with a placing groove for inserting a punching workpiece, and groove walls of two opposite sides of the placing groove are respectively provided with a first hole and a second hole; the telescopic base is movably arranged in the first hole, and a third hole is formed in the side, facing the second hole, of the telescopic base. The first mounting seat can be inserted into the third hole, the telescopic seat can drive the drill bit to get close to or get away from the second hole, and the perimeter of the drill bit is gradually increased from getting close to the second hole to getting away from the second hole; a fixing hole is formed in the side wall of the first mounting seat, a first threaded hole communicated with the third hole is formed in the side wall of the telescopic seat, and the fixing hole can be aligned with the first threaded hole so that a screw can sequentially penetrate through the first threaded hole and the fixing hole. According to the punching sleeve head assembly structure disclosed by the utility model, one punching sleeve head die can share a plurality of upper punching dies with different sizes, so that the portability of a coupling head can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole punching tools, in particular to a punching sleeve assembly structure, a punching connector and a punching tool. Background Art

[0002] In the process of using thin plate materials, especially aluminum alloy plates and copper plates, it is often necessary to punch holes in the plates to facilitate the installation of other parts on the plates to make finished products. Existing punching equipment needs to use large punching equipment to punch metal thin plates. However, when performing outdoor maintenance or assembly operations, the plates need to be punched in advance.

[0003] After searching, the Chinese patent authorization number CN106424310A discloses a punching machine, which drives the push shaft to move in the direction of the lower punch die through the oil cylinder, so that the upper punch die can punch the plate, providing a small and portable punching device.

[0004] The above patent also has the following shortcomings: 1. A punching sleeve mold of one specification can only make a hole of one size, and the upper punch die cannot be replaced according to the size of the punching hole. It is necessary to carry multiple connecting heads of different calibers, which is inconvenient to operate; 2. The upper punch die uses blunt pressure extrusion punching, and curling and burrs are likely to appear on the plate after punching. Utility Model Content

[0005] The purpose of the utility model is to provide a punching sleeve assembly structure, a punching connector and a punching tool. A punching sleeve mold can share multiple upper punches of different sizes, so that multiple holes of different sizes can be opened by simply replacing the upper punch of the corresponding caliber according to the size of the hole, which helps to improve the portability of the connector.

[0006] In a first aspect, the utility model provides a punching sleeve assembly structure, comprising:

[0007] The punching seat is provided with a placement groove for inserting the punching workpiece, and the groove walls on two opposite sides of the placement groove are respectively provided with a first hole and a second hole;

[0008] A telescopic seat is movably disposed in the first hole, and a third hole is disposed on a side of the telescopic seat facing the second hole;

[0009] An integrally formed first mounting seat and drill bit, wherein the first mounting seat can be inserted into the third hole, the telescopic seat can drive the drill bit to approach or move away from the second hole, and the circumference of the drill bit is arranged to increase from approaching the second hole to moving away from the second hole; a fixing hole is provided on the side wall of the first mounting seat, and a first threaded hole connected to the third hole is provided on the side wall of the telescopic seat, and the fixing hole can be aligned with the first threaded hole so that a screw can pass through the first threaded hole and the fixing hole in sequence.

[0010] The punching sleeve assembly structure provided by the utility model comprises an upper punching die composed of a first mounting seat and a drill bit. The detachable connection between the first mounting seat and the telescopic seat can be achieved by tightening or loosening screws. By replacing the first mounting seat with drill bits of different calibers, holes of various sizes can be opened.

[0011] Furthermore, the number of the fixing holes is at least two, at least two of the fixing holes are circumferentially spaced apart on the first mounting seat, the number of the first threaded holes is equal to the number of the fixing holes, and each of the first threaded holes can allow a screw to be inserted into the fixing hole.

[0012] By adopting the above technical solution, by increasing the number of fixing holes, the screws can apply fixing force to the first mounting seat from multiple directions, which helps to enhance the connection stability between the first mounting seat and the telescopic seat.

[0013] Furthermore, the side wall of the first mounting seat is also provided with an annular groove, and the fixing hole is provided at the bottom of the annular groove.

[0014] By adopting the above technical solution, the fixing hole is arranged at the bottom of the annular groove, and the annular groove can limit the axial position of the screw, thereby reducing the occurrence of the plate applying recoil force to damage the fixing hole during punching, which helps to protect the structural integrity of the fixing hole.

[0015] Furthermore, it also includes an integrally formed second mounting seat and a drilling seat, the second mounting seat is arranged in the second hole, the side of the drilling seat close to the second mounting seat is used to abut against the groove wall of the placement groove, and the side of the drilling seat facing away from the second mounting seat is provided with a drill hole for inserting the drill bit, and the drill hole penetrates to the side of the second mounting seat away from the drilling seat.

[0016] Furthermore, the punching seat is also provided with a second threaded hole connected with the second hole, and the second threaded hole is used for a screw to be inserted into and abut against the side wall of the second mounting seat.

[0017] By adopting the above technical solution, the lower punch die is composed of a second mounting seat and a drilling seat. The detachable connection between the second mounting seat and the punching seat can be achieved by tightening or loosening the screws. By replacing the second mounting seat with holes of different diameters, the plate can be supported, which helps to ensure the flatness of the plate after drilling.

[0018] Furthermore, the side wall of the second mounting seat is also provided with an abutment plane, and the abutment plane is used to abut against the screw.

[0019] Furthermore, the number of abutment planes is at least two, at least two of the abutment planes are circumferentially spaced apart on the second mounting seat, the number of the second threaded holes is equal to the number of the abutment planes, and each of the second threaded holes can allow a screw to be inserted to abut against the abutment plane.

[0020] In a second aspect, the utility model provides a punching connector, comprising:

[0021] Any of the above punching sleeve assembly structures;

[0022] An input rod, the input rod being rotatable about an axis;

[0023] A transmission assembly connected to the input rod;

[0024] An output rod has one end connected to the transmission assembly and the other end connected to the telescopic seat. The input rod can drive the output rod to move axially through the transmission assembly.

[0025] Furthermore, it also includes a connecting seat, which is provided with a fourth hole, and a third threaded hole is provided on a side of the telescopic seat away from the third hole, the output rod can pass through the fourth hole and be threadedly connected to the third threaded hole, and the inner diameter of the fourth hole is smaller than the outer diameter of the telescopic seat, and the connecting seat can be detachably connected to the punching seat.

[0026] By adopting the above technical solution, the punching seat and the connecting seat can be clamped on the output rod through a detachable connection, and the output rod can also be used for other punching sleeve components, which helps to increase the versatility of the punching connector.

[0027] In a third aspect, the utility model provides a punching tool, comprising:

[0028] Any of the above punching connectors;

[0029] A driving tool, wherein an output end of the driving tool is connected to the input rod.

[0030] As can be seen from the above, the punching sleeve assembly structure provided by the utility model comprises a first mounting seat and a drill bit to form an upper punching die, and the first mounting seat and the telescopic seat can be detachably connected by tightening or loosening the screws. By replacing the first mounting seat with drill bits of different calibers, holes of various sizes can be opened;

[0031] In addition, the circumference of the drill bit is arranged to increase from close to the second hole to far away from the second hole, so that the drill bit can make sharp-edged holes in the plate, which helps to increase the pressure applied by the drill bit to the plate and reduce the thrust required for opening the hole, and also helps to reduce the curling and burrs of the plate after punching; after the fixing hole of the first mounting seat abuts against the screw, the screw can also apply a circumferential fixing force, thereby reducing the rotation of the drill bit when punching, which helps to enhance the stability of the punching.

[0032] Other features and advantages of the present application will be described in the following description, and partly become apparent from the description, or be understood by practicing the embodiments of the present application. The purpose and other advantages of the present application can be realized and obtained by the structures specifically pointed out in the written description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 The utility model discloses a schematic diagram of the exploded structure of a punching sleeve assembly structure.

[0034] Figure 2 for Figure 1 A structural schematic diagram of the middle punching sleeve assembly structure from another perspective.

[0035] Figure 3 The utility model is a schematic diagram of the structure of multiple upper punches and lower punches.

[0036] Figure 4 for Figure 1 Schematic diagram of the structure of the middle and lower punch dies.

[0037] Figure 5 The utility model is a structural schematic diagram of a punching connector.

[0038] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure of the punching connection head.

[0039] Figure 7 The utility model is a schematic diagram of the exploded structure of another embodiment of the punching sleeve assembly structure.

[0040] In the accompanying drawings: 10, punching workpiece; 20, screw;

[0041] Punching seat; 110, placement slot; 111, first hole; 1111, second anti-rotation plane; 112, second hole; 1121, fourth anti-rotation plane; 113, third hole; 120, second threaded hole;

[0042] Telescopic seat; 210, first threaded hole; 220, third threaded hole; 230, third anti-rotation plane

[0043] First mounting seat; 310, fixing hole; 320, annular groove; 400, drill bit;

[0044] Second mounting seat; 510, abutment plane; 520, first anti-rotation plane; 600, drilling seat; 610, drilling;

[0045] 710, input rod; 720, output rod; 800, transmission assembly; 810, first stroke sleeve; 820, second stroke sleeve; 830, first outer sleeve; 840, second outer sleeve; 900, connecting seat; 910, fourth hole. DETAILED DESCRIPTION

[0046] 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0047] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0048] The utility model discloses a punching sleeve assembly structure which is mainly used for punching plates. A punching sleeve mold of the punching sleeve assembly structure can share a plurality of upper punching dies of different sizes, so that a plurality of openings of different sizes can be realized by simply replacing the upper punching dies of corresponding calibers according to the size of the openings, which helps to improve the portability of the connecting head.

[0049] Reference Figure 1 , Attachment Figure 2In one embodiment, the punching sleeve assembly structure includes a punching seat 100, a telescopic seat 200, a first mounting seat 300 and a drill bit 400, and the first mounting seat 300 and the drill bit 400 are integrally formed. The punching seat 100 is provided with a placement groove 110 for inserting the punching workpiece 10, and the groove walls on opposite sides of the placement groove 110 are respectively provided with a first hole 111 and a second hole 112; the telescopic seat 200 is movably arranged in the first hole 111, and the side of the telescopic seat 200 facing the second hole 112 is provided with a third hole 113; the first mounting seat 300 can be inserted into the third hole 113, and the telescopic seat 200 can drive the drill bit 400 to approach or move away from the second hole 112, and the circumference of the drill bit 400 is arranged in an increasing manner from close to the second hole 112 to away from the second hole 112; a fixing hole 310 is provided on the side wall of the first mounting seat 300, and a first threaded hole 210 connected to the third hole 113 is provided on the side wall of the telescopic seat 200, and the fixing hole 310 can be aligned with the first threaded hole 210 so that the screw can pass through the first threaded hole 210 and the fixing hole 310 in sequence.

[0050] As can be seen from the above, the punching sleeve assembly structure provided by the utility model comprises a first mounting seat 300 and a drill bit 400 to form an upper punching die. By tightening or loosening the screw 20, the first mounting seat 300 and the telescopic seat 200 can be detachably connected. The first mounting seat with a drill bit 400 of different calibers (such as the attached Figure 3 As shown, the multiple first mounting seats 300 have unchanged sizes and can be inserted and installed in the third hole 113. The multiple first mounting seats 300 are provided with drill bits 400 of different calibers, so that holes of various sizes can be opened;

[0051] In addition, the circumference of the drill bit 400 is arranged to increase from close to the second hole 112 to far away from the second hole 112, so that the drill bit 400 can make sharp-edged holes in the plate, which helps to increase the pressure applied by the drill bit 400 to the plate and reduce the thrust required for opening the hole, and also helps to reduce curling and burrs on the plate after punching; after the fixing hole of the first mounting seat 300 abuts against the screw 20, the screw 20 can also apply a circumferential fixing force, thereby reducing the rotation of the drill bit 400 when punching, which helps to enhance the stability of the punching.

[0052] In one embodiment, the number of fixing holes 310 is at least two, at least two fixing holes 310 are circumferentially spaced apart on the first mounting seat 300, the number of first threaded holes 210 is equal to the number of fixing holes 310, and each first threaded hole 210 can allow a screw 20 to be inserted into the fixing hole 310.

[0053] By adopting the above technical solution, by increasing the number of fixing holes 310 , the screws 20 can apply fixing force to the first mounting seat 300 from multiple directions, which helps to enhance the connection stability between the first mounting seat 300 and the telescopic seat 200 .

[0054] In one of the embodiments, it also includes an integrally formed second mounting seat 500 and a drilling seat 600, the second mounting seat 500 is arranged in the second hole 112, and the side of the drilling seat 600 close to the second mounting seat 500 is used to abut against the groove wall of the placement groove 110, and the side of the drilling seat 600 facing away from the second mounting seat 500 is provided with a drilling hole 610 for inserting the drill bit 400, and the drilling hole 610 penetrates to the side of the second mounting seat 500 away from the drilling seat 600.

[0055] In one embodiment, the punching seat 100 is further provided with a second threaded hole 120 communicating with the second hole 112 , and the second threaded hole 120 is used for inserting the screw 20 into the second threaded hole 120 to abut against the side wall of the second mounting seat 500 .

[0056] By adopting the above technical solution, the lower punch die is composed of a second mounting seat 500 and a drilling seat 600. The detachable connection between the second mounting seat 500 and the punching seat 100 can be achieved by tightening or loosening the screw 20. By replacing the second mounting seat 500 with a drill hole 610 of different diameters, the plate can be supported, which helps to ensure the flatness of the plate after drilling.

[0057] In one embodiment, the side wall of the second mounting seat 500 is further provided with an abutting plane 510 , and the abutting plane 510 is used to abut against the screw 20 .

[0058] In one embodiment, the number of abutment planes 510 is at least two, at least two abutment planes 510 are circumferentially spaced apart on the second mounting seat 500, the number of second threaded holes 120 is equal to the number of abutment planes 510, and each second threaded hole 120 can allow a screw 20 to be inserted and abut against the abutment plane 510.

[0059] Reference Figure 4 In one embodiment, the side wall of the first mounting seat 300 is further provided with an annular groove 320 , and the fixing hole 310 is provided at the bottom of the annular groove 320 .

[0060] By adopting the above technical solution, the fixing hole 310 is set at the bottom of the annular groove 320. The annular groove 320 can axially limit the screw 20, thereby reducing the occurrence of the recoil force applied by the plate to damage the fixing hole 310 during punching, which helps to protect the structural integrity of the fixing hole 310.

[0061] Reference Figure 5 , attached Figure 6 The utility model also provides a punching connector, comprising:

[0062] The punching sleeve assembly structure of any of the above embodiments;

[0063] An input rod 710, the input rod 710 is rotatable around an axis;

[0064] The transmission assembly 800 is connected to the input rod 710;

[0065] The output rod 720 has one end connected to the transmission assembly 800 and the other end connected to the telescopic seat 200 . The input rod 710 can drive the output rod 720 to move axially through the transmission assembly 800 .

[0066] Specifically, the transmission assembly 800 includes a first stroke sleeve 810 and a second stroke sleeve 820, which are threadedly connected. The first stroke sleeve 810 is provided with a threaded sleeve, and the input rod 710 is threadedly connected to the threaded sleeve. The end of the output rod 720 away from the telescopic seat 200 is arranged between the first stroke sleeve 810 and the second stroke sleeve 820. The rotation of the input rod 710 around the axis can drive the first stroke sleeve 810 to move axially, thereby driving the output rod 720 to move axially.

[0067] In one embodiment, the punching connector further includes a first sleeve 830 and a second sleeve 840, the first sleeve 830 is threadedly connected to the second sleeve 840, the transmission assembly 800 can be movably disposed in the first sleeve 830 and the second sleeve 840, the input rod 710 can be rotatably disposed on the first sleeve 830, and the output rod 720 can be movably disposed on the second sleeve 840.

[0068] In one embodiment, it also includes a connecting seat 900, on which a fourth hole 910 is provided, and a third threaded hole 220 is provided on a side of the telescopic seat 200 away from the third hole 113, and the output rod 720 can pass through the fourth hole 910 and be threadedly connected to the third threaded hole 220, and the inner diameter of the fourth hole 910 is smaller than the outer diameter of the telescopic seat 200, and the connecting seat 900 can be detachably connected to the punching seat 100.

[0069] By adopting the above technical solution, the punching seat 100 and the connecting seat 900 can be clamped on the output rod 720 through a detachable connection. The output rod 720 can also be used for other punching sleeve components, which helps to increase the versatility of the punching connector.

[0070] Reference Figure 7In one embodiment, the second mounting seat 500 is further provided with a first anti-rotation plane 520, and the hole wall of the second hole 112 is provided with a second anti-rotation plane 1121. The first anti-rotation plane 520 and the second anti-rotation plane 1121 can abut against each other, thereby limiting the second mounting seat 500 from rotating in the second hole 1121. It is worth noting that the number of the first anti-rotation plane 520 and the second anti-rotation plane 1121 can both be two, the two first anti-rotation planes 520 are provided on opposite sides of the second mounting seat 500, and the two second anti-rotation planes 1121 are provided on opposite sides of the hole wall of the second hole 112.

[0071] In one embodiment, the telescopic seat 200 is further provided with a third anti-rotation plane 230, and the hole wall of the first hole 111 is provided with a fourth anti-rotation plane 1111, and the third anti-rotation plane 230 can abut against the fourth anti-rotation plane 1111, thereby limiting the telescopic seat 200 from rotating in the first hole 111. It is worth noting that the number of the third anti-rotation plane 230 and the fourth anti-rotation plane 1111 can both be two, the two third anti-rotation planes 230 are provided on opposite sides of the telescopic seat 200, and the two fourth anti-rotation planes 1111 are provided on opposite sides of the hole wall of the first hole 111.

[0072] The utility model also provides a punching connector, comprising:

[0073] The punching connector of any one of the above embodiments;

[0074] A driving tool, the output end of which is connected to the input rod 710 .

[0075] It is worth noting that the driving tool can be driven by the hydraulic pressure of the cylinder; the driving tool can also be driven by a battery-driven motor.

[0076] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0077] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A punching sleeve assembly structure, characterized in that: include: A punching seat (100) is provided with a placement groove (110) for inserting a punching workpiece (10), and groove walls on two opposite sides of the placement groove (110) are respectively provided with a first hole (111) and a second hole (112); A telescopic seat (200) is movably disposed in the first hole (111), and a third hole (113) is provided on a side of the telescopic seat (200) facing the second hole (112); A first mounting seat (300) and a drill bit (400) are integrally formed, the first mounting seat (300) can be inserted into the third hole (113), the telescopic seat (200) can drive the drill bit (400) to approach or move away from the second hole (112), and the circumference of the drill bit (400) is arranged to increase from approaching the second hole (112) to moving away from the second hole (112); a fixing hole (310) is provided on the side wall of the first mounting seat (300), and a first threaded hole (210) connected to the third hole (113) is provided on the side wall of the telescopic seat (200), and the fixing hole (310) can be aligned with the first threaded hole (210) so that a screw can pass through the first threaded hole (210) and the fixing hole (310) in sequence.

2. A punching sleeve assembly structure according to claim 1, characterized in that: The number of the fixing holes (310) is at least two, and at least two of the fixing holes (310) are circumferentially spaced apart and arranged on the first mounting seat (300). The number of the first threaded holes (210) is equal to the number of the fixing holes (310), and each of the first threaded holes (210) is capable of allowing a screw (20) to be inserted into the fixing hole (310).

3. A punching sleeve assembly structure according to claim 1 or 2, characterized in that: The side wall of the first mounting seat (300) is also provided with an annular groove (320), and the fixing hole (310) is provided at the bottom of the annular groove (320).

4. A punching sleeve assembly structure according to claim 1, characterized in that: The invention also comprises an integrally formed second mounting seat (500) and a drilling seat (600), wherein the second mounting seat (500) is arranged in the second hole (112), and a side of the drilling seat (600) close to the second mounting seat (500) is used to abut against the groove wall of the placement groove (110), and a side of the drilling seat (600) facing away from the second mounting seat (500) is provided with a drilling hole (610) for inserting the drill bit (400), and the drilling hole (610) passes through to a side of the second mounting seat (500) away from the drilling seat (600).

5. A punching sleeve assembly structure according to claim 4, characterized in that: The punching seat (100) is further provided with a second threaded hole (120) communicating with the second hole (112), and the second threaded hole (120) is used for inserting a screw (20) into the second threaded hole to abut against a side wall of the second mounting seat (500).

6. A punching sleeve assembly structure according to claim 5, characterized in that: The side wall of the second mounting seat (500) is also provided with an abutment plane (510), and the abutment plane (510) is used to abut against the screw (20).

7. A punching sleeve assembly structure according to claim 6, characterized in that: The number of the abutment planes (510) is at least two, and at least two of the abutment planes (510) are circumferentially spaced apart and arranged on the second mounting seat (500). The number of the second threaded holes (120) is equal to the number of the abutment planes (510), and each of the second threaded holes (120) can allow a screw (20) to be inserted and abut against the abutment plane (510).

8. A punching connector, characterized in that: include: The punching sleeve assembly structure according to any one of claims 1 to 7; An input rod (710), wherein the input rod (710) is rotatable around an axis; A transmission assembly (800) connected to the input rod (710); An output rod (720) has one end connected to the transmission assembly (800) and the other end connected to the telescopic seat (200), and the input rod (710) can drive the output rod (720) to move axially through the transmission assembly (800).

9. A punching connector according to claim 8, characterized in that: The invention also comprises a connecting seat (900), wherein a fourth hole (910) is provided on the connecting seat (900), and a third threaded hole (220) is provided on a side of the telescopic seat (200) away from the third hole (113), wherein the output rod (720) can pass through the fourth hole (910) and be threadedly connected to the third threaded hole (220), and the inner diameter of the fourth hole (910) is smaller than the outer diameter of the telescopic seat (200), and the connecting seat (900) can be detachably connected to the punching seat (100).

10. A punching tool, characterized in that: include: The punching connector according to claim 8 or 9; A driving tool, wherein an output end of the driving tool is connected to the input rod (710).

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