Mechanical reaming device
By designing a mechanical expansion device including an expansion device, a drilling device and a supporting rod, the problem of frequent replacement and the inconvenience of the connecting of the existing drills is solved. Sexual and efficiency.
Patent Information
- Application Number
- CN202420384565.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-28
AI Technical Summary
When drilling holes, existing mechanical drills need to replace drill bits of different sizes, and the joints at the upper end of the drill bit cannot be connected to multiple machines, resulting in trouble in operation.
A mechanical expansion device is designed, including the expansion device, the drilling device and the support rod. The sliding and connection of the rhinestone through the sliding and connection of the hexagonal bulk block can be achieved to achieve the telescopic and multi -mechanical connection of the drilling structure.
It is achieved that there is no need to replace the drills during the drilling process, and can be seamlessly connected with multiple machinery, which improves the convenience and efficiency of operation.
Smart Images
Figure CN222403605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hole enlarging, in particular to a mechanical hole enlarging device. Background Art
[0002] Hole expansion is the further processing of a hole that has been drilled, cast or forged with a hole expansion drill to enlarge the hole diameter and improve the hole processing quality. Hole expansion can be used as a pre-processing before finishing the hole, or as the final processing of the hole with low requirements.
[0003] However, the existing mechanical drills need to be replaced with drills of different sizes for drilling, and the joints of most drills cannot be connected to multiple machines, which is troublesome.
[0004] Therefore, in order to solve the above problems, a mechanical hole expanding device is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a mechanical hole expanding device to solve the problems in the prior art mentioned in the above background technology that the drill bit cannot drill holes of different sizes when drilling and the joint at the upper end of the drill bit cannot be connected to multiple machines.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical hole-expanding device, comprising: an expansion device, a drilling device and a support rod;
[0007] The conical connecting block in the expansion device is connected to the first rotating shaft by bolts on four sides, the first rotating shaft is connected to one side of the first connecting rod by bolts inside, the other side of the first connecting rod is connected to the rear end of the second rotating shaft, the front end of the second rotating shaft is connected to the rear end of the first connecting block by bolts, and the front end of the first connecting block is connected to the drilling structure by bolts. The conical connecting block in the expansion device and the drilling structure connected on four sides are inserted into the trapezoidal groove and the four-side hollow grooves in the drilling device, the hexagonal pillar inside the drilling device is inserted into the conical connecting block, and the hexagonal protrusion at the upper end of the expansion device is inserted into the lower end of the support rod.
[0008] Preferably, the upper end of the conical connecting block in the expansion device is welded to the lower end of the hexagonal protrusion, the conical connecting block and the hexagonal protrusion are hexagonally hollow inside, the four sides of the hexagonal protrusion are circularly hollow to form a first threaded hole, and the four sides of the conical connecting block are connected to the first rotating shaft with bolts.
[0009] Preferably, the interior of the first rotating shaft is connected to one side of the first connecting rod, the other side of the first connecting rod is connected to the second rotating shaft with bolts, the front end of the second rotating shaft is connected to the first connecting block with bolts, the front end of the first connecting block is connected to the drilling structure with bolts, the upper end of the conical connecting block is connected to the lower end of the base with a rotating bolt, and the circular threads on the four sides of the base are hollow.
[0010] Preferably, the interior of the conical drill bit in the drilling device is hollow to form a conical groove, and the lower end of the conical groove is welded to the lower end of the hexagonal pillar.
[0011] Preferably, the four circular sides of the upper end of the hexagonal pillar are hollowed out to form a second threaded hole, and the four sides of the conical drill bit are hollowed out to form four hollow grooves.
[0012] Preferably, the four circular sides of the lower end of the support column in the support rod are hollow to form a lower end threaded hole, the four circular sides of the upper end of the support column are hollow to form an upper end threaded hole, and the interior of the support column is hollow to form a hexagonal groove.
[0013] Preferably, an insert block is inserted into the upper end of the hexagonal groove, the four circular sides of the insert block are hollow to form a third threaded hole, and the upper end of the insert block is welded to the lower end of the second connecting rod.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can expand the hole by sliding the conical connecting block so that the drilling structure on the four sides of the conical connecting block protrudes from the four hollow grooves on the four sides of the conical drill bit, so that the drill bit does not need to be replaced during the drilling process, and the second connecting rod can be replaced for use when the machine is replaced.
[0015] 1. The utility model is provided with a conical connecting block, a hexagonal protrusion, a first threaded hole, a first rotating shaft, a first connecting rod, a second rotating shaft, a first connecting block, a drilling structure, a base, a rotating bolt, a drilling device, a conical drill bit, a conical groove, a hexagonal pillar, a second threaded hole and four-sided hollow grooves. The first rotating shafts on the four sides of the conical connecting block can enable the first connecting rod to support the drilling structure, and the drilling structure can be extended from the conical drill bit so that the drilling structure can drill holes of different sizes. The first threaded holes on the four sides of the base can enable the conical connecting block to be adjusted up and down so that the drilling structure can be extended and retracted in the conical drill bit.
[0016] 2. The utility model is provided with a support column, a lower threaded hole, an upper threaded hole, a hexagonal groove, an insert block, a third threaded hole and a second connecting rod. The conical connecting block can be adjusted in the conical groove through the lower threaded hole on the outer side of the lower end of the support column, can be connected to the second connecting rod through the upper threaded hole, and the second connecting rod can be connected to the upper threaded hole through the third threaded hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;
[0018] Figure 2 It is a structural schematic diagram of the expansion device of the utility model;
[0019] Figure 3It is a schematic front view cross-sectional diagram of the structure of the expansion device of the utility model;
[0020] Figure 4 It is a schematic diagram of the structural section of the drilling device of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the drilling device of the utility model;
[0022] Figure 6 It is a schematic top view of the structure of the support rod of the utility model;
[0023] Figure 7 It is a schematic top view of the structure of the expansion device and the drilling device of the utility model.
[0024] In the figure: 1. expansion device; 101. conical connecting block; 102. hexagonal protrusion; 103. first threaded hole; 104. first rotating shaft; 105. first connecting rod; 106. second rotating shaft; 107. first connecting block; 108. drilling structure; 109. base; 110. rotating bolt; 2. drilling device; 201. conical drill bit; 202. conical groove; 203. hexagonal pillar; 204. second threaded hole; 205. four-side hollow groove; 3. support rod; 301. support column; 302. lower end threaded hole; 303. upper end threaded hole; 304. hexagonal groove; 305. plug block; 306. third threaded hole; 307. second connecting rod. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0026] See also Figure 1-7 , an embodiment provided by the utility model:
[0027] A mechanical hole-expanding device, comprising: an expansion device 1, a drilling device 2 and a support rod 3;
[0028] The conical connecting block 101 in the expansion device 1 is connected to the first rotating shaft 104 on four sides with bolts, the first rotating shaft 104 is connected to one side of the first connecting rod 105 with bolts inside, the other side of the first connecting rod 105 is connected to the rear end of the second rotating shaft 106, the front end of the second rotating shaft 106 is connected to the rear end of the first connecting block 107 with bolts, and the front end of the first connecting block 107 is connected to the drilling structure 108 with bolts. The conical connecting block 101 in the expansion device 1 and the drilling structure 108 connected on four sides are inserted into the trapezoidal groove and the four-side hollow grooves 205 in the drilling device 2, the hexagonal pillar 203 inside the drilling device 2 is inserted into the conical connecting block 101, and the hexagonal protrusion 102 at the upper end of the expansion device 1 is inserted into the lower end of the support rod 3.
[0029] Furthermore, the upper end of the conical connecting block 101 in the expansion device 1 is welded to the lower end of the hexagonal protrusion 102, the conical connecting block 101 and the hexagonal protrusion 102 are hexagonally hollow inside, the four sides of the hexagonal protrusion 102 are circularly hollow to form a first threaded hole 103, the four sides of the conical connecting block 101 are bolted to the first rotating shaft 104, the hexagonal protrusion 102 at the upper end of the conical connecting block 101 is used to be inserted into the lower end of the support column 301, and the first threaded bolt hole 103 is used to adjust the conical connecting block 101 so that the drilling structure 108 can be extended and retracted.
[0030] Furthermore, the interior of the first rotating shaft 104 is connected to one side of the first connecting rod 105, and the other side of the first connecting rod 105 is bolted to the second rotating shaft 106, the front end of the second rotating shaft 106 is bolted to the first connecting block 107, the front end of the first connecting block 107 is bolted to the drilling structure 108, the upper end of the conical connecting block 101 is connected to the lower end of the base 109 by a rotating bolt 110, and the circular threads on the four sides of the base 109 are hollow, the first rotating shaft 104 is used to enable the drilling structure 108 connected to the first connecting rod 105 to swing, and the base 109 is used to enable the conical connecting block 101 to be connected to the upper end of the conical drill bit 201.
[0031] Furthermore, the conical drill bit 201 in the drilling device 2 is hollow inside to form a conical groove 202, the lower end of the conical groove 202 is welded to the lower end of the hexagonal pillar 203, the four hollow grooves 205 on the four sides of the conical drill bit 201 are used to insert the drilling structure 108, and the hexagonal pillar 203 is used to be inserted into the conical connecting block 101.
[0032] Furthermore, the four circular sides of the upper end of the hexagonal pillar 203 are hollowed out to form a second threaded hole 204, and the four sides of the conical drill bit 201 are hollowed out to form four hollow grooves 205. The second threaded hole 204 is used to align with the first threaded hole 103 and connect with bolts, and the four hollow grooves 205 are used to insert the drilling structure 108.
[0033] Furthermore, the four circular sides of the lower end of the support column 301 in the support rod 3 are hollowed out to form a lower end threaded hole 302, the four circular sides of the upper end of the support column 301 are hollowed out to form an upper end threaded hole 303, and the interior of the support column 301 is hollowed out to form a hexagonal groove 304. The hollow lower end of the support column 301 is used to be inserted into the hexagonal protrusion 102, and the lower end threaded hole 302 is used to align with the first threaded hole 103 and the second threaded hole 204 and connect them with bolts so that the conical connecting block 101 can be adjusted in the conical drill bit 201.
[0034] Furthermore, the upper end of the hexagonal groove 304 is inserted into the plug block 305, and the four circular sides of the plug block 305 are hollowed to form a third threaded hole 306. The upper end of the plug block 305 is welded to the lower end of the second connecting rod 307. The hexagonal groove 304 is used to insert the hexagonal protrusion 102 and the plug block 305 so that the support column 301 can be connected to the hexagonal protrusion 102 and the second connecting rod 307. The third threaded hole 306 is used to connect the second connecting rod to the support 301.
[0035] Working principle: When it is necessary to expand the hole, slide the conical connecting block 101 downward in the conical groove 202, so that the first connecting rods 105 on the four sides of the conical connecting block 101 support the drilling structure 108 and make the drilling structure 108 protrude from the hollow grooves 205 on the four sides, and then insert the support column 301 into the outside of the hexagonal protrusion 102 so that the lower threaded hole 302 and the first threaded hole 103 are aligned, and then use bolts to penetrate the lower threaded hole 302, the first threaded hole 103 and the second threaded hole 204 so that the drilling structure 108 will not expand and contract inward, and then select a suitable second connecting rod 307 so that the plug block 305 at the lower end of the second connecting rod 307 is inserted into the support column 301 so that the third threaded hole 306 and the upper threaded hole 303 are aligned and connected with bolts.
[0036] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A mechanical hole expanding device, comprising: An expansion device (1), a drilling device (2) and a support rod (3); The invention is characterized in that: the conical connecting block (101) in the expansion device (1) is connected to the first rotating shaft (104) on four sides by bolts, the first rotating shaft (104) is connected to one side of the first connecting rod (105) by bolts, the other side of the first connecting rod (105) is connected to the rear end of the second rotating shaft (106), the front end of the second rotating shaft (106) is connected to the rear end of the first connecting block (107) by bolts, the front end of the first connecting block (107) is connected to the drilling structure (108) by bolts, the conical connecting block (101) in the expansion device (1) and the drilling structure (108) connected on four sides are inserted into the trapezoidal groove and the four-side hollow groove (205) in the drilling device (2), the hexagonal pillar (203) in the drilling device (2) is inserted into the conical connecting block (101), and the hexagonal protrusion (102) at the upper end of the expansion device (1) is inserted into the lower end of the support rod (3).
2. A mechanical hole expanding device according to claim 1, characterized in that: The upper end of the conical connection block (101) in the expansion device (1) is welded to the lower end of the hexagonal protrusion (102); the conical connection block (101) and the hexagonal protrusion (102) are hexagonally hollow inside; the four sides of the hexagonal protrusion (102) are circularly hollow to form a first threaded hole (103); and the four sides of the conical connection block (101) are connected to the first rotating shaft (104) by bolts.
3. A mechanical hole expanding device according to claim 2, characterized in that: The interior of the first rotating shaft (104) is connected to one side of the first connecting rod (105); the other side of the first connecting rod (105) is connected to the second rotating shaft (106) by bolts; the front end of the second rotating shaft (106) is connected to the first connecting block (107) by bolts; the front end of the first connecting block (107) is connected to the drilling structure (108) by bolts; the upper end of the conical connecting block (101) is connected to the lower end of the base (109) by rotating bolts (110); and the four sides of the base (109) are hollow with circular threads.
4. A mechanical hole expanding device according to claim 1, characterized in that: The conical drill bit (201) in the drilling device (2) is hollow inside to form a conical groove (202), and the lower end of the conical groove (202) is welded to the lower end of the hexagonal pillar (203).
5. A mechanical hole expanding device according to claim 4, characterized in that: The four circular sides of the upper end of the hexagonal pillar (203) are hollowed out to form a second threaded hole (204), and the four sides of the conical drill bit (201) are hollowed out to form four hollow grooves (205).
6. A mechanical hole expanding device according to claim 1, characterized in that: The four circular sides of the lower end of the support column (301) in the support rod (3) are hollow to form a lower end threaded hole (302), the four circular sides of the upper end of the support column (301) are hollow to form an upper end threaded hole (303), and the interior of the support column (301) is hollow to form a hexagonal groove (304).
7. A mechanical hole expanding device according to claim 6, characterized in that: The upper end of the hexagonal groove (304) is inserted into an insert block (305), and the four circular sides of the insert block (305) are hollow to form a third threaded hole (306). The upper end of the insert block (305) is welded to the lower end of the second connecting rod (307).