Continuous punch

Abstract

The utility model belongs to the technical field of perforating equipment, concretely relates to a continuous puncher, including base, axle pin, tool holder, spring, cutter core group and gland, the middle part fixed mounting of base is tool holder, the middle part of tool holder is provided with the cutter core group of slidable, be provided with spring between cutter core group with tool holder, spring is used for the reset of cutter core group after the punch of tool holder on tool holder, the gland is covered with on tool holder, it is connected through axle pin rotation between the gland with tool holder. The utility model discloses through spring as reset piece, can drive cutter core group to rebound after punching, greatly shorten reset time, improve continuous punch efficiency, the cooperation of positioning column and the pre -hole cooperation of the piece to be punched, combine the limiting notched of tool holder, realize the double positioning of the piece to be punched, avoid the punch position deviation.

Description

Technical Field

[0001] This utility model belongs to the technical field of drilling equipment, specifically, it relates to a continuous drilling machine. Background Technology

[0002] Currently, continuous punching machines are widely used in office document processing, printing, and packaging material pretreatment. To improve the low efficiency and poor positioning accuracy of traditional punching machines, related technologies, such as patent CN218591588U, disclose a continuous punching machine comprising a base, a tool holder, a punching assembly, a spring reset component, and a basic positioning structure. This machine uses a spring to automatically reset the punching assembly, uses a limiting structure to constrain the workpiece to be punched, and sets up a waste collection area, thus solving to some extent the problems of manual reset and waste scattering associated with traditional equipment. However, existing technologies (including this patent and other similar equipment) still have many shortcomings in practical applications, making it difficult to meet the demands for high efficiency, accuracy, convenience, and low cost. 1. In terms of reset efficiency, the patented springs are few in number and unevenly distributed, which leads to unbalanced rebound of the punching component and long reset time. Some equipment still relies on manual or simple mechanical buckle reset, which cannot be adapted to high-frequency batch operation. 2. In terms of positioning accuracy, the patented single constraint design and the low matching degree between the positioning post and the tool body make it easy to shift when processing multi-page or flexible workpieces, resulting in large drilling deviation. 3. Regarding waste disposal, the patented drawer-type or semi-open collection structure is cumbersome to clean or prone to overflow. Some equipment does not have a dedicated collection structure, and waste is prone to accumulate and jam the equipment. 4. In terms of durability, the patent lacks effective cushioning or the cushioning material is poor. The impact of drilling causes deformation of the tool holder and wear of the shaft pin. Some equipment does not have a top cover to prevent detachment and limit the movement. Components are easy to detach and be damaged, resulting in a short lifespan. 5. In terms of cost, the solid design of the base with protruding handle of this patent uses more materials, the assembly of the bottom cover screws takes a long time, and some equipment structures are redundant, which increases the production and assembly costs and makes it difficult to meet the budget needs of small and medium-sized enterprises and office scenarios. Utility Model Content

[0003] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a continuous punching machine.

[0004] A continuous drilling machine according to this utility model includes a base, a shaft pin, a tool holder, a spring, a tool core assembly, and a pressure cap. The tool holder is fixedly installed in the middle of the base, and the tool core assembly is slidably provided in the middle of the tool holder. The tool core assembly extends into a limiting slot in the tool holder along the sliding axis. The limiting slot is used for placing the workpiece to be drilled. The spring is provided between the tool core assembly and the tool holder. The spring is used for resetting the tool core assembly after drilling on the tool holder. The pressure cap is covered on the tool holder, and the pressure cap is rotatably connected to the tool holder through the shaft pin. The base has a stepped groove on the top front side, and a positioning hole is provided at the bottom of the groove. A positioning post is inserted into the positioning hole, and the top of the positioning post is consistent with the shape of the blade body of the blade core assembly.

[0005] In a preferred embodiment: a mounting groove is provided at the top center of the base, and a screw hole is provided at the bottom of the mounting groove. A screw is provided in the screw hole, and the tool holder is fixedly installed in the mounting groove of the base by the screw and the screw hole.

[0006] In a preferred embodiment: the rear end of the base is provided with a protruding handle, the top of the protruding handle is provided with a bottom cover groove, the bottom of the bottom cover groove is provided with a retaining sleeve, a bottom cover is covered on the bottom cover groove, and a retaining post is provided at the bottom of the bottom cover. The bottom cover is fixedly installed on the base by the retaining post correspondingly engaging with the retaining sleeve of the bottom cover groove.

[0007] In a preferred embodiment: a garbage cover is provided at the bottom of the base, and two symmetrical rotating shafts are provided on the rear side of the garbage cover. The garbage cover is disposed in the placement groove through the two rotating shafts. A locking part is provided on the front side of the garbage cover for closing the placement groove.

[0008] In a preferred embodiment, the bottom of the base is provided with a plurality of foot pads made of elastic material.

[0009] In a preferred embodiment: the top of the base is provided with a top cover, which covers the tool holder and the pressure cap. The rear side of the top cover is provided with a hole that allows the pressure cap to rotate around the pivot pin, and the top cover can prevent the tool core assembly from disengaging from the slot of the tool holder after the spring is deformed and reset.

[0010] In a preferred embodiment: the tool holder includes a tool holder body, a limiting groove, a fixing hole, and a slot seat; the limiting groove is provided in the middle of the front side of the tool holder body, and mounting ears are symmetrically provided on the left and right sides of the top of the tool holder body, and the fixing hole is provided on the mounting ear, the fixing hole being used for positioning and installing the shaft pin; a plurality of slot seats are provided extending from the top of the tool holder body, the slot holes of the slot seats communicating with the limiting groove, the slot holes of the slot seats being used to place the tool core assembly and guide it to slide directionally into the limiting groove.

[0011] In a preferred embodiment: the blade assembly includes a blade seat, blades, and a limiting plate; the top of the blade seat is arc-shaped, and the arc-shaped blade seat abuts against the arc-shaped inner wall of the pressure cap; a plurality of blades are equidistantly arranged at the bottom center of the blade seat, and the plurality of blades are fixedly connected to the blade seat, and the bottom cut of the blade is oblique.

[0012] In a preferred embodiment: a plurality of limiting plates are fixedly installed at the bottom of the blade holder and arranged around the blade body. The plurality of limiting plates on the circumferential side of each blade body cooperate with the groove seat corresponding to the blade body for limiting the installation of the spring.

[0013] In a preferred embodiment: the pressure cap includes a pressure cap body and a hand-held part; the middle part of the pressure cap body has an arc-shaped structure, the rear end of the pressure cap body is rotatably connected to the shaft pin, and the front end of the pressure cap body extends to form the hand-held part; the number of springs is three, which are evenly distributed between the blade core assembly and the blade holder.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model uses a spring as a reset component, which can quickly drive the cutter core assembly to rebound after drilling, greatly shortening the reset time and improving the efficiency of continuous drilling; the positioning post cooperates with the front hole of the workpiece to be drilled, combined with the limiting groove of the cutter holder, to achieve dual positioning of the workpiece to be drilled and avoid the drilling position from shifting.

[0015] 2. This utility model uses a garbage cover at the bottom of the base to temporarily store waste materials, which can be opened and closed periodically for cleaning, keeping the working environment clean and reducing cleaning time.

[0016] 3. This utility model uses elastic foot pads to buffer the drilling pressure and reduce damage to components; the top cover can prevent dust and protect internal components, while also preventing the blade assembly from dislodging from the slot seat during reset.

[0017] 4. The bottom cover groove of the base protrusion handle of this utility model reduces the amount of material used, and the overall structure is simple to assemble, reducing production and assembly costs. Attached Figure Description

[0018] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a schematic diagram of the assembly structure of the tool holder and tool core assembly of this utility model; Figure 4 This is a schematic diagram of the assembly structure of the base and the garbage lid of this utility model. Figure 5 This is a schematic diagram of the structure of the top cover of this utility model; Figure 6 This is an exploded view of the present invention; Figure 7 This is a schematic diagram of the structure of the base of this utility model; Figure 8 This is a schematic diagram of the tool holder structure of this utility model; Figure 9 This is a schematic diagram of the blade assembly of this utility model.

[0019] The following are the labeling elements in the figure: Detailed Implementation

[0020] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0021] This utility model discloses a continuous drilling machine, including a base 1, a shaft pin 6, a knife holder 7, a spring 8, a knife core assembly 9, and a pressure cover 10. The knife holder 7 is fixedly installed in the middle of the base 1, and a slidable knife core assembly 9 is provided in the middle of the knife holder 7. Three springs 8 are provided between the knife core assembly 9 and the knife holder 7. The springs 8 are used as reset components after the knife core assembly 9 drills holes on the knife holder 7, ensuring that the knife core assembly 9 can quickly rebound, which facilitates the continuous work of subsequent drilling. The pressure cover 10 is covered on the knife holder 7, and the pressure cover 10 is rotatably connected to the knife holder 7 by a shaft pin 6.

[0022] A mounting groove 15 is provided at the center of the top of the base 1. The mounting groove 15 is used for mounting the tool holder 7. A screw hole 16 is provided at the bottom of the mounting groove 15, and a screw 5 is installed in the screw hole 16. The tool holder 7 is fixedly installed in the mounting groove 15 of the base 1 by the screw 5 and the screw hole 16. A stepped support surface 13 is provided on the front side of the top of the base 1. Two positioning holes 14 are provided at the bottom of the support surface 13. Positioning pins 12 are inserted into the positioning holes 14. The top structure of the positioning pin 12 is consistent with the shape of the tool body 92 of the tool core assembly 9. The front drilling position of the part to be drilled is inserted into the positioning pin 12, so that the drilling position can be accurately positioned when the part to be drilled is continuously drilled.

[0023] The rear end of the base 1 is provided with a protruding handle, which serves as the base for pressing the cover 10. The top of the protruding handle is provided with a bottom cover groove 17. The bottom cover groove 17 can greatly reduce the amount of material used and the cost when manufacturing the protruding handle of the base 1. The bottom of the bottom cover groove 17 is provided with three retaining tubes. The bottom cover 2 is covered on the bottom cover groove 17. The bottom of the bottom cover 2 is provided with three retaining pins. The bottom cover 2 is fixedly installed on the base 1 by the retaining pins corresponding to the retaining tubes of the bottom cover groove 17.

[0024] The bottom of the base 1 is provided with a garbage cover 3. Two rotating shafts are provided on the rear side of the garbage cover 3. The two rotating shafts are arranged symmetrically from left to right. The garbage cover 3 is set in the placement groove 15 through the two rotating shafts. The front side of the garbage cover 3 is provided with a locking part. The garbage cover 3 closes the lower part of the placement groove 15 through the locking part, and temporarily stores and collects the waste after drilling. After the garbage cover 3 is pulled out from the lower part of the placement groove 15 through the locking part, it can be flipped around the axis of the two rotating shafts to open the placement groove 15 for cleaning. The bottom of the base 1 is provided with multiple foot pads 4 made of elastic material. The foot pads 4 can effectively relieve the pressure applied during drilling and ensure that the device will not be damaged due to excessive pressure when bearing pressure. The top of the base 1 is provided with an upper cover 11, which covers the cutter holder 7 and the pressure cover 10. The upper cover 11 does not interfere with the movement between the cutter holder 7 and the pressure cover 10. The rear side of the upper cover 11 has a hole that allows the pressure cover 10 to rotate around the shaft pin 6, and it can prevent the cutter core assembly 9 from dislodging from the slot on the slot seat 74 after being subjected to the deformation and restoring force of the spring 8.

[0025] The tool holder 7 includes a tool holder body 71, a limiting slot 72, a fixing hole 73, and slot seats 74. The limiting slot 72 is opened in the middle of the front side of the tool holder body 71. The limiting slot 72 is used to hold and place the workpiece to be drilled. The top left and right sides of the tool holder body 71 are symmetrically provided with mounting ears. The mounting ears are provided with fixing holes 73. The fixing holes 73 are used for positioning and rotating the shaft pin 6, thereby providing a pressure base for the pressure cover 10 to rotate around the shaft pin 6, ensuring that the pusher tool core assembly 9 can continuously drill the workpiece to be drilled. The top of the tool holder body 71 extends with multiple slot seats 74. The slot holes of the slot seats 74 are connected to the limiting slot 72. The slot holes of the slot seats 74 allow the tool body 92 of the tool core assembly 9 to slide in a direction, so that the tool body 92 passes into the limiting slot 72 to drill the workpiece to be drilled.

[0026] The tool holder 9 includes a tool core seat 91, a tool body 92, and a limiting plate 93. The top of the tool core seat 91 is arc-shaped, and the arc-shaped tool core seat 91 abuts against the arc-shaped inner wall of the pressure cover 10. By rotating the pressure cover 10 around the shaft pin 6, the tool core assembly 9 is pressed to slide and drill along the axial direction of the slot hole of the slot seat 74. Multiple tool bodies 92 are equidistantly arranged at the bottom center of the tool core seat 91. The tool bodies 92 are fixedly connected to the tool core seat 91. The bottom cut of the tool body 92 is oblique, which facilitates drilling and saves effort. Multiple limiting plates 93 are fixedly installed around the bottom of the tool core seat 91. The multiple limiting plates 93 arranged around the side of each tool body 92 and the slot seat 74 corresponding to the tool body 92 are used to limit the installation of the spring 8 to ensure axial force supply when the spring returns to its original position.

[0027] The cap 10 includes a cap body and a handle. The middle part of the cap body has an arc-shaped structure. The rear end of the cap body is rotatably connected to the shaft pin 6. The front end of the cap body extends to form the handle.

[0028] Working principle When using this utility model, the edge of the part to be drilled is placed against the limiting groove 72 of the tool holder 7, and the front hole of the part to be drilled is placed on the positioning post 12 to complete the positioning. Hold the pressure cap 10 by hand and press down. The pressure cap 10 rotates around the shaft pin 6, pressing the blade seat 91 and causing the blade body 92 to move downward to drill holes in the workpiece. At the same time, the spring 8 is compressed. Release the hand grip, and the spring 8 releases its elastic potential energy, pushing the blade holder 91 to cause the blade body 92 to spring back to the initial position, completing one drilling operation; Move the part to be punched so that the next punching position is aligned with the cutter body 92, and put the punched hole onto the positioning post 12. Repeat the pressing action to achieve continuous punching. Drilling waste falls into the garbage cover 3. After accumulating a certain amount, the front locking part of the garbage cover 3 is pried open around the rotating shaft to clean out the waste.

[0029] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0030] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the substantive content of this utility model. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A continuous puncher characterized by, The device includes a base (1), a pin (6), a tool holder (7), a spring (8), a tool core assembly (9), and a pressure cap (10). The tool holder (7) is fixedly installed in the middle of the base (1). The tool core assembly (9) is slidably provided in the middle of the tool holder (7). The tool core assembly (9) extends into the limiting slot (72) of the tool holder (7) along the sliding axis. The limiting slot (72) is used for placing the part to be drilled. The spring (8) is provided between the tool core assembly (9) and the tool holder (7). The spring (8) is used for the reset of the tool core assembly (9) after drilling on the tool holder (7). The pressure cap (10) is covered on the tool holder (7). The pressure cap (10) is rotatably connected to the tool holder (7) through the pin (6). The base (1) has a stepped groove surface (13) on the front side of the top. The bottom of the groove surface (13) has a positioning hole (14). A positioning post (12) is inserted into the positioning hole (14). The top of the positioning post (12) is consistent with the shape of the blade body (92) of the blade core assembly (9).

2. The continuous punch of claim 1, wherein, The base (1) has a mounting groove (15) at the top center and a screw hole (16) at the bottom. A screw (5) is installed in the screw hole (16). The tool holder (7) is fixedly installed in the mounting groove (15) of the base (1) by the screw (5) and the screw hole (16).

3. The continuous punch of claim 1, wherein, The base (1) has a protruding handle at its rear end, and a bottom cover groove (17) is provided at the top of the protruding handle. A retaining sleeve is provided at the bottom of the bottom cover groove (17). A bottom cover (2) is covered on the bottom cover groove (17). A retaining post is provided at the bottom of the bottom cover (2). The bottom cover (2) is fixedly installed on the base (1) by the retaining post and the retaining sleeve of the bottom cover groove (17) being inserted into each other.

4. The continuous punch of claim 2, wherein, The bottom of the base (1) is provided with a garbage cover (3). Two symmetrical rotating shafts are provided on the rear side of the garbage cover (3). The garbage cover (3) is set in the placement groove (15) through the two rotating shafts. A locking part is provided on the front side of the garbage cover (3). The locking part is used to close the placement groove (15).

5. The continuous punch of claim 1, wherein, The bottom of the base (1) is provided with a plurality of foot pads (4) made of elastic material.

6. The continuous punch of claim 1, wherein, The base (1) is provided with a top cover (11), which covers the tool holder (7) and the pressure cap (10). The rear side of the top cover (11) is provided with a hole that allows the pressure cap (10) to rotate around the shaft pin (6). The top cover (11) can restrict the tool core assembly (9) from disengaging from the slot (74) of the tool holder (7) after the spring (8) is deformed and reset.

7. The continuous punch of claim 1 wherein, The tool holder (7) includes a tool holder body (71), a limiting groove (72), a fixing hole (73), and a slot seat (74); the limiting groove (72) is provided in the middle of the front side of the tool holder body (71), and mounting ears are symmetrically provided on the left and right sides of the top of the tool holder body (71). The fixing hole (73) is provided on the mounting ear, and the fixing hole (73) is used for positioning and installing the shaft pin (6); a plurality of slot seats (74) are provided extending from the top of the tool holder body (71). The slot holes of the slot seats (74) are connected to the limiting groove (72). The slot holes of the slot seats (74) are used to place the tool core assembly (9) and guide it to slide into the limiting groove (72).

8. The continuous punch of claim 1, wherein, The blade assembly (9) includes a blade seat (91), a blade body (92), and a limiting plate (93); the top of the blade seat (91) is arc-shaped, and the arc-shaped blade seat (91) abuts against the arc-shaped inner wall of the pressure cap (10); a plurality of blade bodies (92) are equidistantly arranged at the bottom center of the blade seat (91), and the plurality of blade bodies (92) are fixedly connected to the blade seat (91), and the bottom cut of the blade body (92) is oblique.

9. The continuous punch of claim 8, wherein, The bottom of the blade holder (91) is fixedly installed with multiple limiting plates (93) arranged around the blade body (92). The multiple limiting plates (93) on the circumferential side of each blade body (92) cooperate with the corresponding slot (74) of the blade body (92) for limiting the installation of the spring (8).

10. The continuous punch of claim 1, wherein, The pressure cap (10) includes a pressure cap body and a hand-held part; the middle part of the pressure cap body is an arc-shaped structure, the rear end of the pressure cap body is rotatably connected to the shaft pin (6), and the front end of the pressure cap body extends to form the hand-held part; the number of springs (8) is three, which are evenly distributed between the blade core assembly (9) and the blade holder (7).

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