Punching tool for rubber and plastic material workpiece

Abstract

The utility model relates to the technical field of material processing, and particularly discloses a rubber and plastic material workpiece trepanning tool which comprises a positioning shaft, an adjusting rod, a cutter and a first locking bolt, one end of the positioning shaft is connected with a power source, and the other end of the positioning shaft can make contact with a rubber and plastic material workpiece. The adjusting rod is perpendicular to the positioning shaft, penetrates through the positioning shaft in the radial direction of the positioning shaft and can move in the radial direction of the positioning shaft, the cutter is installed at one end of the adjusting rod, the length direction of the cutter is parallel to the axis direction of the positioning shaft, the cutter is used for cutting rubber and plastic material workpieces, and the first locking bolt is used for locking the adjusting rod on the positioning shaft. An adjusting rod capable of moving in the radial direction of the positioning shaft is arranged, a cutter parallel to the axis direction of the positioning shaft is installed on the adjusting rod, and the machined hole diameter is changed through movement of the adjusting rod. The positioning shaft rotates to drive the cutter to cut the rubber and plastic material workpiece, the machining resistance is small, long-time operation can be achieved, and the machining efficiency and machining continuity are both guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of material processing, in particular to a hole-making tool for a rubber and plastic workpiece. Background Art

[0002] In the process of drilling holes in rubber and plastic parts, due to the particularity of rubber and plastic materials, a hole opener is often used to drill holes in rubber and plastic materials. For cutting edges without serrated structures, since the cutting edges are closed circles, the circular cutting edges cut the materials as a whole during processing, resulting in large processing resistance, requiring large cutting forces and causing serious heat generation, which is not conducive to long-term processing operations; for cutting edges with serrated structures, the serrated structures are easily blocked by the waste materials cut, greatly reducing the processing efficiency, and the waste materials at the serrated structures need to be cleaned after each hole is drilled, and the processing continuity cannot be guaranteed. In addition, the hole opener can only process holes of a single size, and the hole opener needs to be replaced frequently during the processing, which further reduces the processing efficiency. Utility Model Content

[0003] The utility model aims to provide a hole-making tool for a rubber and plastic workpiece, so as to solve the problem of low processing efficiency of the existing hole-making tools.

[0004] The utility model provides a rubber and plastic workpiece hole-making tool, comprising a positioning shaft, an adjusting rod, a cutter and a first locking bolt, wherein one end of the positioning shaft is connected to a power source, the power source is used to drive the positioning shaft to rotate, the other end of the positioning shaft can contact the rubber and plastic workpiece, the adjusting rod is arranged perpendicular to the positioning shaft, the adjusting rod penetrates the positioning shaft along the radial direction of the positioning shaft and can move along the radial direction of the positioning shaft, the cutter is installed at one end of the adjusting rod, the length direction of the cutter is parallel to the axial direction of the positioning shaft, the cutter is used to cut the rubber and plastic workpiece, the first locking bolt is threadedly connected to the positioning shaft, and the first locking bolt is used to lock the adjusting rod on the positioning shaft.

[0005] As an optimal technical solution for a hole-opening tool for rubber and plastic workpieces, the positioning shaft includes a small diameter end and a large diameter end, which are integrated into one. The small diameter end is used to connect to a power source, and the adjusting rod is connected to the large diameter end.

[0006] As a preferred technical solution for the hole-opening tool for rubber and plastic workpieces, the large-diameter end is provided with a first positioning hole that penetrates radially thereof, the first positioning hole is set as a square structure, and the adjusting rod passes through the first positioning hole and cooperates with the first positioning hole.

[0007] As a preferred technical solution for the rubber and plastic workpiece hole opening tool, the adjusting rod includes a rod body and a connecting head, the connecting head is arranged at the end of the rod body, the rod body and the connecting head are integrated, and the rod body is used to cooperate with the first positioning hole.

[0008] As an optimal technical solution for the hole-opening tool for rubber and plastic workpieces, the connecting head is provided with a second positioning hole which passes through along the axial direction of the positioning shaft. The second positioning hole is arranged as a square structure. The tool passes through the second positioning hole. The connecting head is also threadedly connected with a second locking bolt. The second locking bolt is used to lock the tool on the connecting head.

[0009] As a preferred technical solution for the rubber and plastic workpiece hole opening tool, two second locking bolts are provided, one of which is provided at one side of the connecting head, and the other second locking bolt is provided at the end of the connecting head.

[0010] As a preferred technical solution for the rubber and plastic workpiece hole opening tool, the tool includes a main body and a cutting part, the main body and the cutting part are integrated, the main body is used to cooperate with the second positioning hole, and the cutting part is used to cut the rubber and plastic workpiece.

[0011] As a preferred technical solution for the hole-making tool for rubber and plastic workpieces, the positioning shaft is provided with a mounting hole along its axial direction, the mounting hole is used to mount a drill bit, and the drill bit is used to contact the rubber and plastic workpiece.

[0012] As a preferred technical solution for the hole-making tool for rubber and plastic workpieces, along the axial direction of the locating axis, the distance between the cutting edge of the tool and the locating axis is smaller than the distance between the tip of the drill bit and the locating axis.

[0013] As the preferred technical solution for the hole-making tool for rubber and plastic workpieces, the tool is made of high-speed steel.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a rubber and plastic workpiece hole-making tool, wherein an adjusting rod capable of moving in the radial direction of the positioning shaft is arranged along the radial direction of the positioning shaft, and a tool parallel to the axial direction of the positioning shaft is installed on the adjusting rod, and the distance between the tool and the positioning shaft is changed by moving the adjusting rod to change the processed hole diameter. The positioning shaft is rotated to drive the tool to cut the rubber and plastic workpiece, the processing resistance is small, the operation can be carried out for a long time, and the processing efficiency and processing continuity are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a tool for drilling a hole in a rubber and plastic workpiece according to an embodiment of the utility model;

[0017] Figure 2 It is an exploded view of a tool for making holes in a rubber and plastic workpiece in an embodiment of the utility model.

[0018] In the figure:

[0019] 1. Positioning shaft; 11. Small diameter end; 12. Large diameter end; 13. First positioning hole; 14. First locking hole; 15. Mounting hole;

[0020] 2. Adjustment rod; 21. Rod body; 22. Connector; 23. Second positioning hole; 24. Second locking hole;

[0021] 3. Cutter; 31. Main body; 32. Cutting part;

[0022] 4. Drill bit; 5. First locking bolt; 6. Second locking bolt; 7. Third locking bolt. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solution of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] 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.

[0027] like Figure 1-Figure 2 As shown, the utility model provides a tool for drilling a rubber and plastic workpiece, comprising a positioning shaft 1, an adjusting rod 2, a tool 3 and a first locking bolt 5. One end of the positioning shaft 1 is connected to a power source, and the power source is used to drive the positioning shaft 1 to rotate. The other end of the positioning shaft 1 can contact the rubber and plastic workpiece, for example, the other end of the positioning shaft 1 is provided with a cone tip or a drill bit 4, and the tip of the cone tip or the drill bit 4 is located on the extension line of the axis of the positioning shaft 1 to locate the hole position of the workpiece. The power source in this embodiment is a rotary device, including but not limited to a lathe, a boring machine, a drilling machine, a radial drill, a magnetic drill, a pneumatic drill and an electric drill. The adjusting rod 2 is arranged perpendicular to the positioning shaft 1, and the adjusting rod 2 penetrates the positioning shaft 1 along the radial direction of the positioning shaft 1 and can move along the radial direction of the positioning shaft 1. The tool 3 is installed at one end of the adjusting rod 2 and the length direction of the tool 3 is parallel to the axis direction of the positioning shaft 1. The tool 3 is used to cut the rubber and plastic workpiece. When the power source drives the positioning shaft 1 to rotate, the tool 3 continuously cuts the rubber and plastic material along the position to be drilled to process holes of different diameters. The hole opening radius of the tool 3 is the distance between the cutting edge of the tool 3 and the axis of the positioning shaft 1, so that the hole opening radius can be changed by moving the adjusting rod 2 on the positioning shaft 1. The rubber and plastic material hole opening tool is also provided with a first locking bolt 5, which is threadedly connected to the positioning shaft 1. The first locking bolt 5 is used to lock the adjusting rod 2 on the positioning shaft 1 to avoid the unqualified hole opening quality caused by the movement of the adjusting rod 2 on the positioning shaft 1 during the processing. The rubber and plastic material workpiece hole opening tool in this embodiment is provided with an adjusting rod 2 that can move along the radial direction of the positioning shaft 1, and a tool 3 parallel to the axial direction of the positioning shaft 1 is installed on the adjusting rod 2. The distance between the tool 3 and the positioning shaft 1 is changed by moving the adjusting rod 2 to change the processed aperture. The positioning shaft 1 is rotated to drive the tool 3 to cut the rubber and plastic material workpiece, and the processing resistance is small, and it can be operated for a long time, and the processing efficiency and processing continuity are guaranteed.

[0028] Furthermore, if Figure 1-Figure 2 As shown, the positioning shaft 1 includes a small diameter end 11 and a large diameter end 12, which are integrated, the small diameter end 11 is used to connect to the power source, and the adjustment rod 2 is connected to the large diameter end 12. By setting the small diameter end 11 and the large diameter end 12, it is beneficial to improve the lightweight under the premise of ensuring the structural strength of the positioning shaft 1.

[0029] Specifically, Figure 1-Figure 2As shown, the large diameter end 12 is provided with a first positioning hole 13 which passes through in the radial direction thereof, and the first positioning hole 13 is set to a square structure, preferably a square or a rectangle. The adjusting rod 2 passes through the first positioning hole 13 and cooperates with the first positioning hole 13. Through the profile cooperation, the relative rotation between the adjusting rod 2 and the positioning shaft 1 is avoided, the angle between the cutting edge of the tool 3 and the workpiece is ensured, and the cutting effect of the tool 3 is ensured. A first locking hole 14 is also provided at the large diameter end 12, and the first locking hole 14 is arranged in the radial direction of the large diameter end 12 and communicated with the first positioning hole 13. The first locking hole 14 is a threaded hole, and the first locking bolt 5 is threadedly connected with the first locking hole 14. After the adjusting rod 2 is installed into the first positioning hole 13, the first locking bolt 5 is screwed in to lock the adjusting rod 2 on the large diameter end 12 of the positioning shaft 1.

[0030] Specifically, Figure 1-Figure 2 As shown, the adjusting rod 2 includes a rod body 21 and a connector 22, the connector 22 is arranged at the end of the rod body 21, the rod body 21 and the connector 22 are integrated, and the tool 3 is installed on the connector 22. The cross section of the rod body 21 is set to a square structure, preferably a square or rectangular, and the rod body 21 is used to cooperate with the square or rectangular first positioning hole 13. The cross-sectional size of the connector 22 is larger than the cross-sectional size of the rod body 21, so as to improve the lightweight under the premise of ensuring the structural strength of the adjusting rod 2. The connector 22 is provided with a second positioning hole 23 that passes through along the axial direction of the positioning shaft 1, and the second positioning hole 23 is set to a square structure, preferably a square or rectangular. The tool 3 passes through the second positioning hole 23 and cooperates with the second positioning hole 23. Through the profile matching, relative rotation between the tool 3 and the connector 22 is avoided, the angle between the cutting edge of the tool 3 and the workpiece is guaranteed, and the cutting effect of the tool 3 is guaranteed. The connector 22 is also threadedly connected with a second locking bolt 6, and the second locking bolt 6 is used to lock the tool 3 on the connector 22.

[0031] Specifically, Figure 1-Figure 2As shown, a second locking hole 24 is also provided on the connector 22, and the second locking hole 24 is communicated with the second positioning hole 23, and the second locking hole 24 is a threaded hole. The second locking bolt 6 is threadedly connected with the second locking hole 24. After the tool 3 is installed in the second positioning hole 23, the second locking bolt 6 is screwed in to lock the tool 3 on the connector 22 of the adjusting rod 2. In order to further strengthen the locking effect of the second locking bolt 6 on the tool 3, two second locking holes 24 are provided, one of the two second locking holes 24 is provided at one end of the connector 22, and the other is provided at one side of the connector 22. Two second locking bolts 6 are provided, one of the two second locking bolts 6 is provided at one side of the connector 22, and the other second locking bolt 6 is provided at the end of the connector 22, and the locking effect of the tool 3 is further ensured by the two second locking bolts 6. In another embodiment, two second locking holes 24 may be respectively arranged on both sides of the connector 22, and two corresponding second locking bolts 6 may be respectively arranged on both sides of the connector 22, so as to enhance the locking effect of the tool 3. Alternatively, three second locking holes 24 may be arranged, respectively arranged at one end and both sides of the connector 22, and three second locking bolts 6 may be arranged accordingly. In this embodiment, only the second locking bolts 6 are arranged at one end and one side of the connector 22 to reliably lock the tool 3 on the connector 22, and at the same time, it is more conducive to improving the lightweight.

[0032] Furthermore, if Figure 1-Figure 2 As shown, the tool 3 includes a main body 31 and a cutting part 32, and the main body 31 and the cutting part 32 are integrally arranged. The main body 31 is used to cooperate with the second positioning hole 23, and the cross-sectional shape of the main body 31 is consistent with the shape of the second positioning hole 23, and is a square or rectangular structure. The cutting part 32 is used to cut rubber and plastic material workpieces, and the end of the cutting part 32 is provided with a smooth cutting edge. During the processing, there will be no waste blockage, and there is no need to clean the waste. At the same time, the positioning shaft 1 is rotated along the circumference of the opening of the workpiece to carry out continuous processing. The resistance during the processing is smaller, and continuous feeding can be achieved during the processing. The heat generation is smaller, and the demand for long-term continuous processing can be met. The tool 3 is set as a high-speed steel part, which is formed by grinding a high-speed steel blade blank and has high toughness, hardness and wear resistance.

[0033] Furthermore, the end of the positioning shaft 1 that contacts the rubber and plastic workpiece is preferably provided with a drill bit 4 that contacts the workpiece for positioning. A mounting hole 15 is provided along the axis of the end of the positioning shaft 1 that contacts the plastic workpiece, and the mounting hole 15 is used to install the drill bit 4, and a third locking bolt 7 is provided to lock the drill bit 4. The drill bit 4 is used to contact the rubber and plastic workpiece, and the position where the drill bit 4 contacts the rubber and plastic workpiece is the center of the hole to be drilled.

[0034] When the rubber and plastic material hole-making tool in this embodiment is used to make a hole in a rubber and plastic material workpiece, it can be understood that the drill bit 4 needs to be used to locate the center of the hole first, and then the tool 3 is used to cut. Therefore, along the axial direction of the positioning shaft 1, the distance between the cutting edge of the tool 3 and the positioning shaft 1 is set to be smaller than the distance between the tip of the drill bit 4 and the positioning shaft 1. Therefore, during the processing, the tip of the drill bit 4 first contacts the workpiece and drills into the workpiece, and after feeding a certain distance, the cutting edge of the tool 3 contacts and cuts the workpiece, and continues to feed until the hole is completed.

[0035] The rubber and plastic material hole-punching tool provided in this embodiment has a compact structure, light weight, a firm and reliable connection between various parts, is easy to adjust, and is easy to use. Compared with existing hole-punching tools, the processing efficiency is greatly improved, which is conducive to shortening the construction period and saving production costs.

[0036] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A tool for drilling holes in rubber and plastic workpieces, characterized in that: include: A positioning shaft (1), one end of the positioning shaft (1) is connected to a power source, the power source is used to drive the positioning shaft (1) to rotate, and the other end of the positioning shaft (1) is capable of contacting a rubber or plastic workpiece; An adjusting rod (2), the adjusting rod (2) being arranged perpendicular to the positioning shaft (1), the adjusting rod (2) penetrating the positioning shaft (1) radially along the positioning shaft (1) and being movable along the radial direction of the positioning shaft (1); A tool (3), the tool (3) being mounted on one end of the adjusting rod (2), the length direction of the tool (3) being parallel to the axial direction of the positioning shaft (1), and the tool (3) being used for cutting the rubber and plastic material workpiece; A first locking bolt (5), the first locking bolt (5) is threadedly connected to the positioning shaft (1), and the first locking bolt (5) is used to lock the adjusting rod (2) on the positioning shaft (1).

2. The rubber and plastic workpiece hole-making tool according to claim 1, characterized in that: The positioning shaft (1) comprises a small diameter end (11) and a large diameter end (12), wherein the small diameter end (11) and the large diameter end (12) are integrally arranged, the small diameter end (11) is used to be connected to the power source, and the adjusting rod (2) is connected to the large diameter end (12).

3. The rubber and plastic workpiece hole-making tool according to claim 2, characterized in that: The large diameter end (12) is provided with a first positioning hole (13) which penetrates in the radial direction thereof, the first positioning hole (13) being arranged in a square structure, and the adjusting rod (2) passes through the first positioning hole (13) and cooperates with the first positioning hole (13).

4. The rubber and plastic workpiece hole-making tool according to claim 3, characterized in that: The adjusting rod (2) comprises a rod body (21) and a connecting head (22), wherein the connecting head (22) is arranged at the end of the rod body (21), the rod body (21) and the connecting head (22) are arranged in one piece, and the rod body (21) is used to cooperate with the first positioning hole (13).

5. The rubber and plastic workpiece hole-making tool according to claim 4, characterized in that: The connecting head (22) is provided with a second positioning hole (23) which passes through along the axial direction of the positioning shaft (1); the second positioning hole (23) is arranged to have a square structure; the tool (3) passes through the second positioning hole (23); the connecting head (22) is also threadedly connected with a second locking bolt (6); the second locking bolt (6) is used to lock the tool (3) on the connecting head (22).

6. The rubber and plastic workpiece hole-making tool according to claim 5, characterized in that: The second locking bolts (6) are provided in two numbers, wherein one of the second locking bolts (6) is provided at one side of the connecting head (22), and the other of the second locking bolts (6) is provided at the end of the connecting head (22).

7. The rubber and plastic workpiece hole-making tool according to claim 5, characterized in that: The tool (3) comprises a main body (31) and a cutting part (32); the main body (31) and the cutting part (32) are integrally arranged; the main body (31) is used to cooperate with the second positioning hole (23); and the cutting part (32) is used to cut the rubber and plastic material workpiece.

8. The rubber and plastic workpiece hole-making tool according to any one of claims 1 to 7, characterized in that: The positioning shaft (1) is provided with a mounting hole (15) along its axial direction, the mounting hole (15) being used to mount a drill bit (4), and the drill bit (4) being used to contact the rubber and plastic material workpiece.

9. The rubber and plastic workpiece hole-making tool according to claim 8, characterized in that: Along the axial direction of the positioning shaft (1), the distance between the cutting edge of the tool (3) and the positioning shaft (1) is smaller than the distance between the tip of the drill bit (4) and the positioning shaft (1).

10. The rubber and plastic workpiece hole-making tool according to any one of claims 1 to 7, characterized in that: The cutter (3) is made of high-speed steel.

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