Adjustable plate hole opener

Abstract

The present invention relates to the technical field of plate processing, and specifically to an adjustable plate hole opener, comprising a base plate, a drill connecting rod, an adjusting component, a cutting component and a limiting component. The base plate is a circular plate-shaped structure, and a safety component is sleeved on one side of the outer circumference of the base plate. The drill connecting rod is vertically arranged at the center of the upper end of the base plate, a support frame is arranged at the upper end of the base plate, and a placement slot is arranged at the lower end of the support frame. By arranging a support frame and an adjusting frame on one side of the base plate, and then arranging three cutting knives installed in coordination with the first two through a sliding component, when it is necessary to adjust and change the aperture of the punching hole, rapid and synchronous adjustment can be performed through the scale lines of the adjusting frame and the supporting frame, and the operation is simple and convenient. At the same time, under the tightening installation action of the threaded fixing block, the adjusting component is cooperated to stably limit the adjusted position of the cutting knife, and at the same time, the safety component is cooperated to improve the safety of the puncher when in use.

Description

Technical Field

[0001] The invention relates to the technical field of plate processing, in particular to an adjustable plate hole opener. Background Art

[0002] A hole saw is also called a hole saw or a hole saw. It refers to a special circular saw used in modern industry or engineering to process circular holes. It can cut circular holes, square holes, triangular holes, straight lines, and curves on any curved surface, such as a flat surface or a spherical surface, of various boards such as gypsum boards, wood veneers, metal boards, and organic glass.

[0003] The plate hole openers generally used in engineering projects use fixed-diameter hole opening devices. If you want to open holes of different sizes during the construction process, you need to replace the hole opening device corresponding to the required hole diameter to open the required hole diameter;

[0004] As a result, there is no hole opener of the corresponding size or the corresponding hole opener is damaged, and normal construction work cannot be carried out. It is necessary to buy and use it, which reduces the efficiency of on-site construction. In addition, it is inconvenient to carry different types of hole openers at all times. Summary of the invention

[0005] The object of the present invention is to provide an adjustable plate hole opener to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an adjustable plate hole opener, the adjustable plate hole opener comprising:

[0007] A base plate, wherein the base plate is a circular plate-shaped structure, and a safety component is sleeved on one side of the outer circumference of the base plate;

[0008] A drilling rig connecting rod, wherein the drilling rig connecting rod is vertically arranged at the center of the upper end of the base plate, a support frame is arranged at the upper end of the base plate, a placement slot is opened at the lower end of the support frame, and the drilling rig connecting rod is integrally arranged through the center of the support frame;

[0009] An adjustment component, the adjustment component is movably connected to the drilling rig connecting rod, and the adjustment component includes an adjustment frame;

[0010] A cutting assembly, wherein the cutting assembly comprises three cutting knives, and the three cutting knives are movably arranged at the lower end of the base plate through sliding assemblies, and the upper ends of the sliding assemblies are respectively arranged through the supporting frame and the adjusting frame;

[0011] A limit assembly is provided, wherein the limit assembly is sleeved on a drilling rig connecting rod and comprises a clamping ring.

[0012] Preferably, the safety component includes a rotating ring and a safety ring, a sliding ring is provided on one side of the inner circumference of the rotating ring, a rotating annular groove is opened on one side of the outer circumference of the base plate, the sliding ring is movably inserted in the rotating annular groove, the sliding ring is inserted in the rotating annular groove, and ball grooves are symmetrically provided on the upper and lower sides, and a number of steel balls are symmetrically provided in the two ball grooves, and one side of the several steel balls is respectively in contact with one side of the rotating annular groove.

[0013] Preferably, an open groove is provided at the lower end of one side of the outer circumference of the sliding ring, and a safety ring is vertically movably sleeved on one side of the open groove of the rotating ring. A plurality of guide rods are vertically provided at the upper end of the safety ring, and the upper ends of the plurality of guide rods respectively penetrate the upper end of the rotating ring. The guide rods are arranged in a T-shaped structure, and a spring is sleeved on one side of the guide rods located in the open groove.

[0014] Preferably, the supporting frame and the adjusting frame each include three arms, a socket block is provided in the center of the adjusting frame, the adjusting frame is movably inserted into the placement groove and is connected to the drilling rig connecting rod through the socket block, and a first slide groove and a second slide groove are vertically penetrated on one side of the arms of the supporting frame and the adjusting frame respectively.

[0015] Preferably, the substrate is located directly below the first slide groove of the support frame and vertically penetrates a third slide groove. The sliding assembly includes a slide rod, and the upper end of the slide rod vertically moves through the third slide groove, the second slide groove and the first slide groove. The slide rod passes through the third slide groove and the upper and lower sides are respectively threaded and welded with a first slider and a second slider, and the upper and lower sides of the first slider are respectively in contact with the lower end of the adjustment frame and the upper end of the substrate.

[0016] Preferably, the cutting knife is welded to the lower end of the second slider, the lower end of the base plate is symmetrically provided with guide grooves on both sides of the third slide groove, and the upper end of the second slider is symmetrically provided with guide bars on both sides, and the two guide bars are respectively inserted into the two guide grooves.

[0017] Preferably, the three arms of the adjustment frame are arranged obliquely and symmetrically, the three arms of the adjustment frame and the three arms of the support frame are arranged horizontally and staggered up and down, and scale lines are provided on both sides of the upper end of the support frame near the first slide groove.

[0018] Preferably, the slide rod passes through the upper end of the first slide groove and is provided with a threaded fixing block through a threaded sleeve, the lower end of the threaded fixing block is in close contact with the upper end of the support frame, and a limiting groove is provided at the upper end of the threaded fixing block.

[0019] Preferably, the drilling rig connecting rod is provided with a clamping groove on one side of the upper end of the support frame, and the clamping groove is an annular structure. The clamping ring is movably sleeved and arranged on one side of the clamping groove of the drilling rig connecting rod. Three limit rods are symmetrically arranged on one side of the outer circumference of the clamping ring. The lower ends of one side of the three limit rods are respectively inserted into the limit grooves of three threaded fixing blocks. An external thread is arranged at the upper end of the clamping groove. The height of the lower end of the external thread from the upper end of the clamping ring is greater than the depth of the limit rod inserted into the limit groove. A clamping knob is provided on one side of the external thread through a threaded sleeve, and the lower end of the clamping knob is arranged in contact with the upper end of the clamping ring.

[0020] Preferably, a magnetic groove is provided at the upper end of the drilling rig connecting rod, a magnetic connecting sleeve is vertically provided at the center of the lower end of the base plate, and a pre-drilling drill bit is magnetically plugged into the lower end of the magnetic connecting sleeve.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] By arranging a supporting frame and an adjusting frame on one side of the base plate, and then arranging three cutting knives installed in coordination with the first two through a sliding component, when the aperture of the punching needs to be adjusted, rapid and synchronous adjustment can be performed through the scale lines of the adjusting frame and the supporting frame. The operation is simple and convenient. At the same time, under the tightening installation action of the threaded fixing block, the limit component is cooperated to stably limit the adjusted position of the cutting knife. At the same time, the safety component is cooperated to improve the safety of the puncher when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the bottom structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the substrate connection structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the connection structure of the adjustment frame of the present invention;

[0027] Figure 5 This is a schematic diagram of the connection structure of the sliding assembly of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the safety component of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the support frame of the present invention.

[0030] In the figure: base plate 1, rotating ring 2, safety ring 3, guide rod 4, spring 5, rotating annular groove 6, sliding ring 7, steel ball 8, open groove 9, drilling rig connecting rod 10, support frame 11, adjustment frame 12, sleeve block 13, first slide groove 14, second slide groove 15, third slide groove 16, slide rod 17, first slider 18, second slider 181, cutting knife 19, guide groove 20, magnetic connection sleeve 21, pre-drilling drill bit 22, clamping groove 23, clamping ring 24, limit rod 25, clamping knob 26, threaded fixing block 27, scale line 28. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Please see attached Figure 1-7 , this application provides the following five preferred embodiments.

[0033] Embodiment 1

[0034] An adjustable plate hole opener, the adjustable plate hole opener comprising:

[0035] The substrate 1 is a circular plate-shaped structure, and a safety component is sleeved on one side of the outer circumference of the substrate 1, the safety component includes a self-rotating ring 2 and a safety ring 3, a sliding ring 7 is arranged on one side of the inner circumference of the self-rotating ring 2, and a self-rotating annular groove 6 is opened on one side of the outer circumference of the substrate 1, and the sliding ring 7 is movably inserted in the self-rotating annular groove 6, and the sliding ring 7 is inserted in the self-rotating annular groove 6, and ball grooves are symmetrically arranged on the upper and lower sides, and a plurality of steel balls 8 are symmetrically arranged in the two ball grooves, and one side of the plurality of steel balls 8 is respectively in contact with one side of the inner side of the self-rotating annular groove 6;

[0036] A drilling rig connecting rod 10 is vertically arranged at the center of the upper end of the base plate 1. A support frame 11 is arranged at the upper end of the base plate 1. A placement groove is provided at the lower end of the support frame 11, and the drilling rig connecting rod 10 is integrally penetrated through the center of the support frame 11. An open groove 9 is provided at the lower end of one side of the outer circumference of the sliding ring 7. The safety ring 3 is vertically movably sleeved on one side of the open groove 9 of the rotating ring 2. A plurality of guide rods 4 are vertically arranged at the upper end of the safety ring 3. The upper ends of the plurality of guide rods 4 are respectively penetrated through the upper end of the rotating ring 2. The guide rods 4 are arranged in a T-shaped structure, and a spring 5 is sleeved on one side of the guide rods 4 located in the open groove 9.

[0037] The adjusting component is movably connected to the drilling rig connecting rod 10, and the adjusting component includes an adjusting frame 12. The supporting frame 11 and the adjusting frame 12 each include three arms. A sleeve block 13 is provided at the center of the adjusting frame 12. The adjusting frame 12 is movably inserted into the placement groove and is sleeved to the drilling rig connecting rod 10 through the sleeve block 13. One side of the supporting arm of the supporting frame 11 and the adjusting frame 12 is respectively vertically penetrated with a first slide groove 14 and a second slide groove 15;

[0038] The cutting assembly includes three cutting knives 19, which are movably arranged at the lower end of the base plate 1 through the sliding assembly, and the upper end of the sliding assembly is respectively penetrated through the support frame 11 and the adjustment frame 12. The base plate 1 is located directly below the first slide groove 14 of the support frame 11 and vertically penetrates a third slide groove 16. The sliding assembly includes a slide rod 17, and the upper end of the slide rod 17 is vertically movable and penetrates the third slide groove 16, the second slide groove 15 and the first slide groove 14. The slide rod 17 penetrates the third slide groove 16 and the upper and lower sides are respectively threaded and welded with a first slider 18 and a second slider 181, and the upper and lower sides of the first slider 18 are respectively in contact with the lower end of the adjustment frame 12 and the upper end of the base plate 1;

[0039] A limiting assembly is provided by sleeve-connecting the drilling rig connecting rod 10, and the limiting assembly includes a clamping ring 24. The sliding rod 17 passes through the first sliding groove 14 and is provided with a threaded fixing block 27 at the upper end through a threaded sleeve. The lower end of the threaded fixing block 27 is in close contact with the upper end of the support frame 11, and the upper end of the threaded fixing block 27 is provided with a limiting groove. The drilling rig connecting rod 10 is located on one side of the upper end of the support frame 11 and is provided with a clamping groove 23. The clamping groove 23 is an annular structure. The clamping ring 24 is movably sleeved and arranged on one side of the clamping groove 23 of the drilling rig connecting rod 10. Three limiting rods 25 are symmetrically arranged on one side of the outer circumference of the clamping ring 24. The lower ends of one side of the three limiting rods 25 are respectively inserted into the limiting grooves of the three threaded fixing blocks 27.

[0040] Embodiment 2

[0041] On the basis of embodiment one, the cutting knife 19 is welded to the lower end of the second slider 181, and the lower end of the substrate 1 is located on both sides of the third slide groove 16 and guide grooves 20 are symmetrically provided. The upper end of the second slider 181 is symmetrically provided with guide strips on both sides, and the two guide strips are respectively inserted into the two guide grooves 20 to improve the stability of the cutting knife 19 when the position is adjusted.

[0042] Embodiment 3

[0043] On the basis of the second embodiment, the three arms of the adjusting frame 12 are arranged symmetrically and tilted, and the three arms of the adjusting frame 12 and the three arms of the supporting frame 11 are arranged horizontally and staggered up and down, and scale lines 28 are provided on both sides of the upper end of the supporting frame 11 near the first slide groove 14. When the adjusting frame 12 moves, the three sliding rods 17 move along the first slide groove 14 and the second slide groove 15 at the same time, so as to realize the synchronous position change of the three cutting knives 19, thereby realizing the aperture adjustment of the cutting hole, which is simple to operate and easy to use.

[0044] Embodiment 4

[0045] On the basis of the third embodiment, an external thread is provided at the upper end of the clamping groove 23, and the height of the lower end of the external thread from the upper end of the clamping ring 24 is greater than the depth of the limiting rod 25 inserted into the limiting groove. A clamping knob 26 is provided on one side of the external thread through a threaded sleeve, and the lower end of the clamping knob 26 is arranged in contact with the upper end of the clamping ring 24. When the clamping ring 24 moves upward, the threaded fixing block 27 can rotate. When the limiting rod 25 is inserted into the limiting groove of the threaded fixing block 27, the threaded fixing block 27 cannot rotate, thereby improving the connection stability of the threaded fixing block 27 during use, and the side of the clamping groove 23 of the clamping ring 24 sleeved with the drilling rig connecting rod 10 is in friction contact, and can be automatically positioned to a certain extent when moving up and down.

[0046] Embodiment 5

[0047] On the basis of the fourth embodiment, a magnetic groove is provided at the upper end of the drilling rig connecting rod 10, a magnetic connection sleeve 21 is vertically provided at the center of the lower end of the base plate 1, and a pre-drilled drill bit 22 is magnetically plugged into the lower end of the magnetic connection sleeve 21, so as to install the magnetic connection drill rig and the pre-drilled magnetic connection sleeve 21 commonly used in the prior art.

[0048] When in use, the magnetic suction groove of the drilling rig connecting rod 10 is quickly connected to the power joint of the drilling rig, and then the diameter of the drill hole is adjusted as needed, the clamping knob 26 is loosened, the clamping ring 24 and the limit rod 25 are pushed upward, and the three threaded fixing blocks 27 can be rotated flexibly, and then the threaded fixing blocks 27 are loosened, the adjustment frame 12 is rotated or one side of the sliding rod 17 is pulled, so that the three sliding rods 17 slide horizontally along the second sliding groove 15 and the third sliding groove 16 at the same time, so as to realize the distance between the cutting knife 19 and the center of the substrate 1, and the radius of the drill hole changes at the same time, with the help of the scale line 28. Under the action, it is quick and convenient to use. Then tighten the threaded fixing block 27 and insert the lower end of the limiting rod 25 into the limiting groove to complete the limiting operation of the threaded fixing block 27. Then, the pre-drilling drill bit 22 is pressed against the center point of the plate to be punched to perform pre-drilling. At the same time, with further drilling, the cutting knife 19 contacts the plate to realize the punching operation of the plate. When the safety ring 3 contacts the plate, it is in a static state relative to the plate and can only move up and down along the guide rod 4. At this time, the lower knife of the cutting knife 19 is always protected on the outside of the cutting knife 19 to avoid problems such as the cutting knife 19 breaking and being thrown out.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable plate hole opener, characterized in that: The adjustable plate hole opener comprises: A base plate (1), the base plate (1) being a circular plate-shaped structure, and a safety component is sleeved on one side of the outer circumference of the base plate (1); A drilling rig connecting rod (10), wherein the drilling rig connecting rod (10) is vertically arranged at the center of the upper end of the base plate (1), a support frame (11) is provided at the upper end of the base plate (1), a placement groove is provided at the lower end of the support frame (11), and the drilling rig connecting rod (10) is integrally arranged to pass through the center of the support frame (11); An adjustment component, the adjustment component being movably sleeved on a drilling rig connecting rod (10), and the adjustment component comprising an adjustment frame (12); A cutting assembly, the cutting assembly comprising three cutting knives (19), the three cutting knives (19) being movably arranged at the lower end of the base plate (1) through a sliding assembly, and the upper end of the sliding assembly being respectively arranged through the support frame (11) and the adjustment frame (12); A position limiting assembly, the position limiting assembly being sleeved on the drilling rig connecting rod (10), and the position limiting assembly comprising a clamping ring (24); The safety component comprises a self-rotating ring (2) and a safety ring (3), a sliding ring (7) is arranged around one side of the inner circumference of the self-rotating ring (2), a self-rotating annular groove (6) is provided on one side of the outer circumference of the base plate (1), the sliding ring (7) is movably inserted into the self-rotating annular groove (6), the sliding ring (7) is inserted into the self-rotating annular groove (6), and ball grooves are symmetrically arranged on the upper and lower sides, and a plurality of steel balls (8) are symmetrically arranged in the two ball grooves, and one side of the plurality of steel balls (8) is respectively in contact with one side of the self-rotating annular groove (6); An open groove (9) is provided at the lower end of one side of the outer circumference of the sliding ring (7); the safety ring (3) is vertically movably sleeved on one side of the open groove (9) of the rotating ring (2); a plurality of guide rods (4) are vertically provided at the upper end of the safety ring (3); the upper ends of the plurality of guide rods (4) respectively penetrate the upper end of the rotating ring (2); the guide rods (4) are T-shaped structures, and a spring (5) is sleeved on one side of the guide rods (4) located in the open groove (9); The support frame (11) and the adjustment frame (12) each include three support arms, a sleeve block (13) is provided at the center of the adjustment frame (12), the adjustment frame (12) is movably inserted into the placement groove and sleeved on the drilling rig connecting rod (10) through the sleeve block (13), and a first slide groove (14) and a second slide groove (15) are respectively vertically penetrated on one side of the support arms of the support frame (11) and the adjustment frame (12); The base plate (1) is located directly below the first slide groove (14) of the support frame (11) and vertically penetrates a third slide groove (16). The sliding assembly comprises a slide rod (17). The upper end of the slide rod (17) vertically moves through the third slide groove (16), the second slide groove (15) and the first slide groove (14). The slide rod (17) penetrates the third slide groove (16) and is threadedly sleeved and welded with a first slide block (18) and a second slide block (181) on the upper and lower sides thereof. The upper and lower sides of the first slide block (18) are respectively in contact with the lower end of the adjustment frame (12) and the upper end of the base plate (1).

2. The adjustable plate hole opener according to claim 1, characterized in that: The cutting knife (19) is welded to the lower end of the second slider (181), the lower end of the base plate (1) is located on both sides of the third slide groove (16) and has guide grooves (20) symmetrically provided, and the upper end of the second slider (181) is symmetrically provided with guide bars on both sides, and the two guide bars are respectively inserted into the two guide grooves (20).

3. The adjustable plate hole opener according to claim 2, characterized in that: The three support arms of the adjustment frame (12) are arranged obliquely and symmetrically, the three support arms of the adjustment frame (12) and the three support arms of the support frame (11) are arranged horizontally and staggered up and down, and scale lines (28) are provided on both sides of the upper end of the support frame (11) near the first slide groove (14).

4. The adjustable plate hole opener according to claim 3, characterized in that: The upper end of the slide rod (17) passing through the first slide groove (14) is provided with a threaded fixing block (27) through a threaded sleeve, the lower end of the threaded fixing block (27) is in close contact with the upper end of the support frame (11), and the upper end of the threaded fixing block (27) is provided with a limiting groove.

5. The adjustable plate hole opener according to claim 4, characterized in that: The drilling rig connecting rod (10) is provided with a clamping groove (23) on one side of the upper end of the support frame (11), and the clamping groove (23) is an annular structure. A clamping ring (24) is movably sleeved and arranged on one side of the clamping groove (23) of the drilling rig connecting rod (10). Three limiting rods (25) are symmetrically arranged on one side of the outer circumference of the clamping ring (24). The lower ends of one side of the three limiting rods (25) are respectively inserted into the limiting grooves of three threaded fixing blocks (27). An external thread is arranged on the upper end of the clamping groove (23), and the height of the lower end of the external thread from the upper end of the clamping ring (24) is greater than the depth of the limiting rod (25) inserted into the limiting groove. A clamping knob (26) is provided on one side of the external thread through a thread sleeve, and the lower end of the clamping knob (26) is arranged in contact with the upper end of the clamping ring (24).

6. The adjustable plate hole opener according to claim 5, characterized in that: A magnetic groove is provided at the upper end of the drilling rig connecting rod (10), a magnetic connection sleeve (21) is vertically provided at the center of the lower end of the base plate (1), and a pre-drilling drill bit (22) is magnetically plugged at the lower end of the magnetic connection sleeve (21).

Images